/* 信息门户 · 样式。两套版式共用设计令牌：
 *   html[data-portal-layout="brand"]    品牌门户：留白、大图、克制的工业配色，适合跨境品牌站；
 *   html[data-portal-layout="platform"] 行业平台：信息密度高、面板式栏目，适合行业信息平台。
 * 主题色由 core.js 按站点主题写入 --main 系列变量；--accent 为可选的强调色。 */

@font-face { font-family: 'Inter var'; font-style: normal; font-weight: 100 900; font-display: swap; src: url(fonts/inter-latin-var.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Inter var'; font-style: normal; font-weight: 100 900; font-display: swap; src: url(fonts/inter-latin-ext-var.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: 'Montserrat var'; font-style: normal; font-weight: 100 900; font-display: swap; src: url(fonts/montserrat-latin-var.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: 'Montserrat var'; font-style: normal; font-weight: 100 900; font-display: swap; src: url(fonts/montserrat-latin-ext-var.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }

:root {
  --steel: #6b7b8d; --steel-line: #b9c2cc;
  --main: #0f4c8a; --main-deep: #0b3968; --main-ink: #0d2236; --main-soft: #f1f5fa; --main-tint: #dbe6f2; --main-line: #9db8d6;
  --accent: var(--main); --accent-deep: var(--main-deep); --accent-soft: var(--main-soft);
  --ink: #121a24; --ink-2: #3a4553; --ink-3: #66717f; --ink-4: #98a1ac;
  --line: #e1e5ea; --line-2: #eef1f4; --paper: #fff; --mist: #f5f7f9; --fog: #eceff3; --night: #0b1520;
  --ok: #157f3b; --warn: #b54708; --buy: #b42318; --buy-soft: #fef3f2;
  --radius: 4px; --radius-lg: 8px;
  --wrap: 1240px; --gutter: 24px;
  --shadow-1: 0 1px 2px rgba(16, 24, 40, .05);
  --shadow-2: 0 12px 32px -16px rgba(16, 24, 40, .22);
  --font-cjk: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', 'Source Han Sans SC';
  --font-sans: 'Inter var', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, var(--font-cjk), sans-serif;
  --font-display: 'Montserrat var', 'Inter var', -apple-system, 'Segoe UI', Roboto, Arial, var(--font-cjk), sans-serif;
  --header-h: 72px;
  /* AI 咨询窗与数字导购沿用的变量 */
  --primary: var(--main); --primary-dark: var(--main-deep); --on-primary: #fff; --card: #fff; --bg: var(--mist); --soft: var(--main-soft); --muted: var(--ink-3);
}
html[lang='zh-TW'] { --font-cjk: 'PingFang TC', 'Microsoft JhengHei', 'Noto Sans CJK TC', 'Source Han Sans TC'; }
html[lang='ja'] { --font-cjk: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic UI', 'Yu Gothic', 'Meiryo', 'Noto Sans CJK JP'; }
html[lang='ko'] { --font-cjk: 'Apple SD Gothic Neo', 'Malgun Gothic', 'Noto Sans CJK KR'; }
html[data-portal-layout='platform'] { --wrap: 1200px; --radius: 3px; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: 96px; }
body.pt-site { margin: 0; min-height: 100vh; background: var(--paper); color: var(--ink); font: 400 15px/1.6 var(--font-sans); font-feature-settings: 'cv11', 'ss01'; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }
html[data-portal-layout='platform'] body.pt-site { background: #f2f4f7; font-size: 14px; }
body.pt-lock { overflow: hidden; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--main); outline-offset: 2px; }
::selection { background: var(--main); color: #fff; }
.pt-skip { position: absolute; left: 8px; top: 8px; transform: translateY(-200%); z-index: 100; background: var(--main); color: #fff; padding: 8px 14px; border-radius: var(--radius); }
.pt-skip:focus { transform: none; }
.pt-wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }
.pt-main { min-height: 60vh; }
.pt-ico { width: 1em; height: 1em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; vertical-align: -.125em; }

/* ---------- 按钮与基础元件 ---------- */
.pt-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 0 18px; border: 1px solid var(--main); border-radius: var(--radius); background: var(--main); color: #fff; font-weight: 600; font-size: 14px; line-height: 1.2; letter-spacing: .005em; white-space: nowrap; transition: background .18s, border-color .18s, color .18s, box-shadow .18s; }
.pt-btn:hover { background: var(--main-deep); border-color: var(--main-deep); }
.pt-btn:disabled { opacity: .55; cursor: not-allowed; }
.pt-btn--lg { min-height: 48px; padding: 0 24px; font-size: 15px; }
.pt-btn--sm { min-height: 34px; padding: 0 14px; font-size: 13px; }
.pt-btn--block { display: flex; width: 100%; }
.pt-btn--ghost { background: transparent; color: var(--main); border-color: var(--main-line); }
.pt-btn--ghost:hover { background: var(--main-soft); border-color: var(--main); color: var(--main-deep); }
.pt-btn--light { background: #fff; color: var(--main-ink); border-color: #fff; }
.pt-btn--light:hover { background: var(--main-soft); border-color: var(--main-soft); color: var(--main-ink); }
.pt-btn--accent { background: var(--accent); border-color: var(--accent); }
.pt-btn--accent:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.pt-btn + .pt-btn--block { margin-top: 8px; }
.pt-link { display: inline-flex; align-items: center; gap: 6px; color: var(--main); font-weight: 600; font-size: 14.5px; white-space: nowrap; text-decoration: underline; text-decoration-color: var(--main-line); text-underline-offset: 5px; text-decoration-thickness: 1px; transition: text-decoration-color .15s; }
.pt-link:hover { text-decoration-color: currentColor; }
.pt-iconbtn { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: var(--radius); color: var(--ink-2); font-size: 20px; }
.pt-iconbtn:hover { background: var(--mist); color: var(--main); }
.pt-kicker { display: inline-block; color: var(--steel); font: 600 13.5px/1.4 var(--font-sans); }
.pt-tag { display: inline-flex; align-items: center; height: 22px; padding: 0 8px; border-radius: 2px; background: var(--main-soft); color: var(--main); font-size: 12px; font-weight: 600; white-space: nowrap; }
.pt-tag--buy { background: var(--buy-soft); color: var(--buy); }
.pt-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.pt-chips--row { margin: 0 0 18px; }
.pt-chip { display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--ink-2); font-size: 13px; }
.pt-chip:hover { border-color: var(--main-line); color: var(--main); }
.pt-chip.is-on { background: var(--main); border-color: var(--main); color: #fff; }
.pt-checks { display: grid; gap: 10px; }
.pt-checks li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink-2); }
.pt-checks .pt-ico { color: var(--ok); margin-top: 4px; }
.pt-checks--light li { color: rgba(255, 255, 255, .82); }
.pt-checks--light .pt-ico { color: #7fd1a0; }
.pt-values { display: flex; flex-wrap: wrap; gap: 8px; }
.pt-values li { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 13px; color: var(--ink-2); background: #fff; }
.pt-empty { display: grid; justify-items: center; gap: 10px; padding: 40px 16px; color: var(--ink-3); text-align: center; }
.pt-empty .pt-ico { font-size: 28px; color: var(--ink-4); }
.pt-noimg { display: grid; place-items: center; width: 100%; height: 100%; color: var(--ink-4); font-size: 28px; background: var(--mist); }
.pt-media-note { position: absolute; left: 8px; bottom: 8px; padding: 2px 8px; border-radius: 2px; background: rgba(13, 20, 30, .62); color: #fff; font-size: 11px; }
.pt-price { display: inline-flex; align-items: baseline; gap: 3px; flex-shrink: 0; white-space: nowrap; color: var(--buy); font: 700 18px/1.2 var(--font-display); }
.pt-price small { font-size: 11px; font-weight: 600; }
.pt-price--ask { color: var(--main); font: 600 13px/1.2 var(--font-sans); }
.pt-prose { color: var(--ink-2); line-height: 1.8; }
.pt-prose > * + * { margin-top: 1em; }
.pt-prose h2, .pt-prose h3 { color: var(--ink); font-family: var(--font-display); line-height: 1.35; margin-top: 1.6em; }
.pt-prose h2 { font-size: 21px; }
.pt-prose h3 { font-size: 17px; }
.pt-prose ul { list-style: disc; padding-left: 1.3em; }
.pt-prose ol { list-style: decimal; padding-left: 1.4em; }
.pt-prose li + li { margin-top: .4em; }
.pt-prose a { color: var(--main); text-decoration: underline; text-underline-offset: 3px; }
.pt-prose blockquote { border-left: 3px solid var(--main-line); padding-left: 16px; color: var(--ink-3); }
.pt-prose table { font-size: 14px; }
.pt-prose th, .pt-prose td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.pt-table th, .pt-table td { padding: 11px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.pt-table th { color: var(--ink-3); font-weight: 500; width: 46%; padding-right: 16px; }
.pt-table td { color: var(--ink); font-weight: 600; }
.pt-table--striped thead th { color: var(--ink); font-weight: 600; border-bottom: 2px solid var(--ink); width: auto; }
.pt-table--striped td { font-weight: 400; color: var(--ink-2); padding-right: 16px; }
.pt-table--striped td:first-child { color: var(--ink); font-weight: 600; width: 40%; }
.pt-list li { display: flex; align-items: baseline; gap: 12px; padding: 7px 0; border-bottom: 1px dashed var(--line); }
.pt-list a { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-2); }
.pt-list a:hover { color: var(--main); }
.pt-list time { color: var(--ink-4); font-size: 12px; font-variant-numeric: tabular-nums; }
.pt-steps { counter-reset: step; display: grid; gap: 10px; margin: 14px 0; }
.pt-steps li { counter-increment: step; display: flex; gap: 10px; align-items: center; color: var(--ink-2); font-size: 13px; }
.pt-steps li::before { content: counter(step); display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--main-soft); color: var(--main); font-weight: 700; font-size: 12px; flex: none; }
.pt-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 12px; margin: 16px 0; }
.pt-facts div { padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.pt-facts dt { font: 700 20px/1.2 var(--font-display); color: var(--main-ink); }
.pt-facts dd { color: var(--ink-3); font-size: 12px; margin-top: 4px; }
.pt-contact-list { display: grid; gap: 10px; }
.pt-contact-list li { display: flex; gap: 10px; align-items: center; color: var(--ink-2); }
.pt-contact-list .pt-ico { color: var(--main); }
.pt-contact-list a:hover { color: var(--main); }

/* ---------- 弹窗、提示与表单 ---------- */
.pt-toast { position: fixed; left: 50%; bottom: 90px; z-index: 200; transform: translateX(-50%); padding: 10px 18px; border-radius: var(--radius); background: var(--night); color: #fff; font-size: 14px; box-shadow: var(--shadow-2); }
.pt-modal { position: fixed; inset: 0; z-index: 120; display: grid; place-items: center; padding: 16px; background: rgba(8, 14, 22, .55); backdrop-filter: blur(2px); animation: pt-fade .18s ease; }
.pt-modal__card { width: min(620px, 100%); max-height: calc(100dvh - 32px); overflow: auto; border-radius: var(--radius-lg); background: #fff; box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .45); }
.pt-modal__card--sm { width: min(420px, 100%); }
.pt-modal__head { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 22px; border-bottom: 1px solid var(--line); background: #fff; }
.pt-modal__head h2 { font: 700 19px/1.3 var(--font-display); }
.pt-modal__close { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; color: var(--ink-3); font-size: 18px; }
.pt-modal__close:hover { background: var(--mist); color: var(--ink); }
.pt-modal__body { padding: 20px 22px 24px; }
.pt-modal__lead { color: var(--ink-3); font-size: 14px; margin-bottom: 14px; }
@keyframes pt-fade { from { opacity: 0; } }
.pt-form { display: grid; gap: 14px; }
.pt-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pt-form__hint { color: var(--ink-4); font-size: 12px; }
.pt-field { display: grid; gap: 6px; min-width: 0; }
.pt-field > span { color: var(--ink-2); font-size: 13px; font-weight: 500; }
.pt-field b { color: var(--buy); margin-left: 3px; }
.pt-field input, .pt-field select, .pt-field textarea { width: 100%; min-height: 42px; padding: 9px 12px; border: 1px solid #cfd6de; border-radius: var(--radius); background: #fff; color: var(--ink); font-size: 14px; transition: border-color .15s, box-shadow .15s; }
.pt-field textarea { resize: vertical; min-height: 90px; line-height: 1.6; }
.pt-field input:focus, .pt-field select:focus, .pt-field textarea:focus { outline: none; border-color: var(--main); box-shadow: 0 0 0 3px var(--main-tint); }
.pt-field input::placeholder, .pt-field textarea::placeholder { color: var(--ink-4); }
.pt-msg:empty { display: none; }
.pt-msg { font-size: 13px; color: var(--ok); }
.pt-msg.is-err { color: var(--buy); }
.pt-kinds { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pt-kinds label { position: relative; }
.pt-kinds input { position: absolute; opacity: 0; }
.pt-kinds span { display: grid; place-items: center; min-height: 44px; border: 1px solid var(--line); border-radius: var(--radius); font-weight: 600; color: var(--ink-2); }
.pt-kinds input:checked + span { border-color: var(--main); background: var(--main-soft); color: var(--main); }
.pt-kinds input:focus-visible + span { outline: 2px solid var(--main); outline-offset: 2px; }
.pt-done { display: grid; justify-items: center; gap: 10px; padding: 24px 8px; text-align: center; }
.pt-done > .pt-ico { width: 52px; height: 52px; padding: 13px; border-radius: 50%; background: #e7f6ec; color: var(--ok); stroke-width: 2.2; }
.pt-done strong { font: 700 18px/1.3 var(--font-display); }
.pt-done p { color: var(--ink-3); max-width: 380px; }

/* ---------- 品牌门户 · 页头（企业官网式）：深色细工具条 + 白色单行主导航 ---------- */
.pt-header { position: relative; z-index: 50; }
.pt-header--brand { position: sticky; top: 0; background: #fff; box-shadow: 0 1px 0 var(--line); transition: box-shadow .2s; }
.pt-header--brand.is-scrolled { box-shadow: 0 10px 28px -20px rgba(13, 34, 54, .5); }
.pt-header--brand .pt-topbar { background: var(--main-ink); border-bottom: 0; color: rgba(255, 255, 255, .66); }
.pt-header--brand .pt-topbar__links > a, .pt-header--brand .pt-topbar__links > button, .pt-header--brand .pt-topbar [data-user] a, .pt-header--brand .pt-topbar [data-user] button { color: rgba(255, 255, 255, .72); border-left-color: rgba(255, 255, 255, .16); }
.pt-header--brand .pt-topbar__links a:hover, .pt-header--brand .pt-topbar__links button:hover { color: #fff; }
.pt-header--brand .pt-topbar .zx-lang-switch select { border-color: rgba(255, 255, 255, .22); background-color: transparent; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); color: rgba(255, 255, 255, .85); }
.pt-topbar__tel { gap: 6px !important; color: #fff !important; font-weight: 600; }
.pt-topbar__tel .pt-ico { color: var(--accent); }
.pt-logo { display: inline-flex; align-items: center; gap: 12px; min-width: 0; flex: none; }
.pt-logo__img { height: 44px; width: auto; max-width: 150px; object-fit: contain; }
.pt-logo__mark { width: 40px; height: 40px; }
.pt-logo__text { display: grid; min-width: 0; }
.pt-logo__name { font: 700 18px/1.15 var(--font-display); color: var(--ink); letter-spacing: -.01em; white-space: nowrap; }
.pt-logo__sub { color: var(--ink-3); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 260px; }
.pt-cbar { position: relative; }
.pt-cbar__inner { display: flex; align-items: center; gap: 24px; min-height: 76px; }
.pt-cbar .pt-logo__img { height: 46px; }
.pt-cbar .pt-menu { display: flex; align-items: stretch; align-self: stretch; margin-left: auto; }
.pt-menu__item { position: static; display: flex; align-items: stretch; }
.pt-menu__item--drop { position: relative; }
.pt-menu > a.pt-menu__item, .pt-menu__trigger { display: inline-flex; align-items: center; gap: 4px; padding: 0 15px; border-top: 3px solid transparent; border-bottom: 3px solid transparent; color: var(--ink); font-size: 15px; font-weight: 600; white-space: nowrap; transition: color .15s, border-color .15s; }
.pt-menu__trigger .pt-ico { font-size: 12px; color: var(--ink-4); transition: transform .18s; }
.pt-menu > a.pt-menu__item:hover, .pt-menu__item:hover > .pt-menu__trigger, .pt-menu__item.is-open > .pt-menu__trigger { color: var(--main); }
.pt-menu > a[aria-current], .pt-menu__item.is-current > .pt-menu__trigger { color: var(--main); border-bottom-color: var(--accent); }
.pt-menu__item:hover > .pt-menu__trigger .pt-ico, .pt-menu__item.is-open > .pt-menu__trigger .pt-ico { transform: rotate(180deg); }
.pt-drop { position: absolute; top: 100%; left: 0; min-width: 200px; padding: 6px 0; border: 1px solid var(--line); border-top: 3px solid var(--accent); background: #fff; box-shadow: var(--shadow-2); opacity: 0; visibility: hidden; transition: opacity .16s, visibility .16s; }
.pt-drop a { display: block; padding: 9px 18px; color: var(--ink-2); font-size: 14px; }
.pt-drop a:hover { background: var(--main-soft); color: var(--main); }
.pt-menu__item--drop:hover .pt-drop, .pt-menu__item--drop.is-open .pt-drop, .pt-menu__item--drop:focus-within .pt-drop { opacity: 1; visibility: visible; }
.pt-mega { position: absolute; left: 0; right: 0; top: 100%; border-top: 3px solid var(--accent); background: #fff; color: var(--ink); box-shadow: 0 24px 40px -24px rgba(16, 24, 40, .35); opacity: 0; visibility: hidden; transition: opacity .16s, visibility .16s; }
.pt-menu__item--mega:hover .pt-mega, .pt-menu__item--mega:focus-within .pt-mega { opacity: 1; visibility: visible; }
.pt-mega__grid { display: grid; grid-template-columns: 2.2fr 1fr 1.1fr; gap: 40px; padding: 26px 0 30px; }
.pt-mega h3 { margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--line); color: var(--main-ink); font-size: 14px; font-weight: 700; }
.pt-mega__cats { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 20px; }
.pt-mega__cats a { display: flex; gap: 12px; align-items: center; padding: 8px 10px; border-radius: var(--radius); }
.pt-mega__cats a:hover { background: var(--main-soft); }
.pt-mega__cats strong { display: block; font-size: 14px; font-weight: 600; color: var(--ink); }
.pt-mega__cats small { color: var(--ink-4); font-size: 12px; }
.pt-mega__ico { display: grid; place-items: center; width: 36px; height: 36px; border-radius: var(--radius); background: var(--main-soft); color: var(--main); font-size: 19px; flex: none; }
.pt-mega__link { display: block; padding: 6px 0; color: var(--ink-2); font-size: 14px; }
.pt-mega__link:hover { color: var(--accent); }
.pt-mega__cta { padding: 18px 20px; background: var(--mist); align-self: start; }
.pt-mega__cta p { color: var(--ink-3); font-size: 13px; margin-bottom: 14px; }
.pt-mega__cta .pt-btn { margin-bottom: 8px; }
.pt-cbar__tools { display: flex; align-items: center; gap: 8px; flex: none; }
.pt-cbar__ask { min-height: 40px; }
.pt-cbar.is-compact .pt-cbar__inner { gap: 14px; }
.pt-cbar.is-compact .pt-menu > a.pt-menu__item, .pt-cbar.is-compact .pt-menu__trigger { padding: 0 8px; font-size: 14px; }
.pt-cbar.is-compact .pt-logo__name { max-width: 190px; font-size: 16px; white-space: normal; }
.pt-cbar.is-collapsed .pt-menu { display: none; }
.pt-cbar.is-collapsed .pt-burger { display: inline-grid; }
.pt-cbar.is-collapsed .pt-cbar__tools { margin-left: auto; }
.pt-csearch { border-top: 1px solid var(--line); background: var(--mist); }
.pt-csearch__inner { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 14px 0; }
.pt-csearch select, .pt-csearch input { height: 44px; padding: 0 12px; border: 1px solid #cfd6de; border-radius: var(--radius); background: #fff; }
.pt-csearch input { flex: 1 1 320px; min-width: 0; }
.pt-csearch input:focus, .pt-csearch select:focus { outline: none; border-color: var(--main); box-shadow: 0 0 0 3px var(--main-tint); }
.pt-csearch .pt-btn { min-height: 44px; }
.pt-csearch__hot { display: flex; flex-basis: 100%; flex-wrap: wrap; gap: 4px 14px; color: var(--ink-4); font-size: 12.5px; }
.pt-csearch__hot a { color: var(--ink-3); }
.pt-csearch__hot a:hover { color: var(--accent); }
.pt-burger { display: none; }

/* ---------- 行业平台 · 页头 ---------- */
.pt-header--platform { background: #fff; }
.pt-topbar { background: #f6f7f9; border-bottom: 1px solid var(--line); color: var(--ink-3); font-size: 12.5px; }
.pt-topbar .pt-wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 34px; }
.pt-topbar__welcome { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pt-topbar__welcome strong { color: var(--ink-2); font-weight: 600; }
.pt-topbar__links { display: flex; align-items: center; gap: 4px; flex: none; }
.pt-topbar__links > a, .pt-topbar__links > button, .pt-topbar [data-user] a, .pt-topbar [data-user] button { display: inline-flex; align-items: center; gap: 4px; min-height: 44px; min-width: 44px; justify-content: center; padding: 0 9px; color: var(--ink-3); font-size: 12.5px; border-left: 1px solid var(--line); line-height: 1.35; }
.pt-topbar [data-user] > *:first-child { border-left: 0; }
.pt-topbar__links a:hover, .pt-topbar__links button:hover { color: var(--main); }
.pt-topbar :focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }
.pt-topbar .zx-lang-switch { margin-left: 8px; }
.pt-topbar .zx-lang-switch select { height: 44px; min-width: 96px; padding: 0 26px 0 9px; border: 1px solid var(--line); border-radius: 3px; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2366717f' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 7px center / 11px; color: var(--ink-2); font-size: 14px; appearance: none; cursor: pointer; }
.pt-topbar .zx-lang-switch option { color: var(--ink); }
.pt-mast__inner { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 40px; padding: 22px 0; }
.pt-mast .pt-logo__img { height: 54px; max-width: 190px; }
.pt-mast .pt-logo__name { font-size: 22px; }
.pt-bigsearch { max-width: 620px; width: 100%; justify-self: center; }
.pt-bigsearch__tabs { display: flex; gap: 2px; }
.pt-bigsearch__tabs label { position: relative; }
.pt-bigsearch__tabs input { position: absolute; opacity: 0; }
.pt-bigsearch__tabs span { display: inline-block; padding: 5px 14px; border-radius: 3px 3px 0 0; color: var(--ink-3); font-size: 13px; cursor: pointer; }
.pt-bigsearch__tabs input:checked + span { background: var(--main); color: #fff; }
.pt-bigsearch__tabs input:focus-visible + span { outline: 2px solid var(--main); }
.pt-bigsearch__box { display: flex; border: 2px solid var(--main); border-radius: 0 var(--radius) var(--radius) var(--radius); overflow: hidden; background: #fff; }
.pt-bigsearch__box input { flex: 1; min-width: 0; height: 42px; padding: 0 14px; border: 0; font-size: 14px; }
.pt-bigsearch__box input:focus { outline: none; }
.pt-bigsearch__box button { display: inline-flex; align-items: center; gap: 6px; padding: 0 24px; background: var(--main); color: #fff; font-weight: 600; }
.pt-bigsearch__box button:hover { background: var(--main-deep); }
.pt-bigsearch__hot { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 8px; color: var(--ink-4); font-size: 12px; }
.pt-bigsearch__hot a { color: var(--ink-3); }
.pt-bigsearch__hot a:hover { color: var(--main); }
.pt-mast__side { display: flex; align-items: center; gap: 18px; }
.pt-hotline { display: flex; align-items: center; gap: 10px; }
.pt-hotline > .pt-ico { width: 38px; height: 38px; padding: 9px; border-radius: 50%; background: var(--main-soft); color: var(--main); }
.pt-hotline small { display: block; color: var(--ink-4); font-size: 12px; }
.pt-hotline strong { font: 700 17px/1.2 var(--font-display); color: var(--main-ink); letter-spacing: .01em; }
.pt-channel { background: var(--main); color: #fff; }
.pt-channel__inner { display: flex; align-items: stretch; min-height: 46px; }
.pt-channel__all { position: relative; display: flex; align-items: center; gap: 10px; width: 200px; padding: 0 18px; background: var(--main-deep); font-weight: 600; cursor: default; flex: none; }
.pt-channel__drop { position: absolute; left: 0; top: 100%; width: 100%; padding: 6px 0; background: #fff; color: var(--ink); border: 1px solid var(--line); border-top: 0; box-shadow: var(--shadow-2); opacity: 0; visibility: hidden; transition: opacity .15s, visibility .15s; z-index: 5; }
.pt-channel__all:hover .pt-channel__drop, .pt-channel__all:focus-within .pt-channel__drop { opacity: 1; visibility: visible; }
.pt-channel__drop a { display: flex; align-items: center; gap: 10px; padding: 9px 16px; font-size: 13.5px; color: var(--ink-2); }
.pt-channel__drop a:hover { background: var(--main-soft); color: var(--main); }
.pt-channel__drop em { margin-left: auto; color: var(--ink-4); font-style: normal; font-size: 12px; }
.pt-channel__ico { color: var(--main); font-size: 16px; display: inline-flex; }
.pt-channel__links { display: flex; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.pt-channel__links::-webkit-scrollbar { display: none; }
.pt-channel__links a { display: flex; align-items: center; padding: 0 10px; font-weight: 500; font-size: 14px; white-space: nowrap; color: rgba(255, 255, 255, .92); transition: background .15s; }
.pt-channel__links a:hover { background: rgba(255, 255, 255, .1); color: #fff; }
html:not([lang^='zh']):not([lang='ja']):not([lang='ko']) .pt-channel__links a { padding: 0 8px; font-size: 13.5px; }
html:not([lang^='zh']):not([lang='ja']):not([lang='ko']) .pt-channel__all { width: 176px; }
.pt-channel__links a[aria-current] { background: rgba(0, 0, 0, .18); color: #fff; box-shadow: inset 0 -3px 0 var(--accent); }
.pt-channel .pt-burger { color: #fff; margin-left: auto; }
.pt-channel__more { position: relative; display: flex; align-items: center; gap: 4px; flex: none; padding: 0 14px; font-weight: 600; font-size: 14px; color: rgba(255, 255, 255, .92); cursor: default; }
.pt-channel__more[hidden] { display: none; }
.pt-channel__more:hover, .pt-channel__more:focus-within { background: rgba(255, 255, 255, .1); color: #fff; }
.pt-channel__more:focus-visible { outline: 2px solid #fff; outline-offset: -4px; }
.pt-channel__more.is-current { background: rgba(0, 0, 0, .18); box-shadow: inset 0 -3px 0 var(--accent); }
.pt-channel__more-drop { position: absolute; right: 0; top: 100%; min-width: 172px; padding: 6px 0; background: #fff; border: 1px solid var(--line); border-top: 0; box-shadow: var(--shadow-2); opacity: 0; visibility: hidden; transition: opacity .15s, visibility .15s; z-index: 5; }
.pt-channel__more:hover .pt-channel__more-drop, .pt-channel__more:focus-within .pt-channel__more-drop { opacity: 1; visibility: visible; }
.pt-channel__more-drop a { display: flex; align-items: center; gap: 10px; padding: 10px 16px; font-size: 14px; font-weight: 500; color: var(--ink-2); white-space: nowrap; }
.pt-channel__more-drop a:hover, .pt-channel__more-drop a:focus-visible { background: var(--main-soft); color: var(--main); }
.pt-channel__more-drop a[aria-current] { color: var(--main); font-weight: 700; }
.pt-channel__more-drop .pt-ico { color: var(--main); font-size: 16px; }
.pt-channel.is-compact .pt-channel__links a .pt-ico { display: none; }
.pt-channel.is-scroll .pt-channel__links { -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent); mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent); }

/* ---------- 手机抽屉菜单 ---------- */
.pt-drawer { position: fixed; inset: 0; z-index: 110; background: rgba(8, 14, 22, .5); }
.pt-drawer[hidden] { display: none; }
.pt-drawer__panel { position: absolute; top: 0; right: 0; bottom: 0; display: flex; flex-direction: column; width: min(360px, 88vw); background: #fff; animation: pt-slide .2s ease; }
@keyframes pt-slide { from { transform: translateX(30px); opacity: .5; } }
.pt-drawer__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.pt-drawer__head .pt-logo__name { font-size: 16px; }
.pt-drawer__body { flex: 1; overflow: auto; padding: 6px 16px; }
.pt-drawer details { border-bottom: 1px solid var(--line-2); }
.pt-drawer summary { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; font-weight: 600; list-style: none; cursor: pointer; }
.pt-drawer summary::-webkit-details-marker { display: none; }
.pt-drawer details[open] summary .pt-ico { transform: rotate(180deg); }
.pt-drawer details a { display: block; padding: 9px 12px; color: var(--ink-2); }
.pt-drawer details a:last-child { margin-bottom: 10px; }
.pt-drawer__foot { padding: 14px 16px calc(14px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); }

/* ---------- 页脚 ---------- */
.pt-foot { background: var(--night); color: rgba(255, 255, 255, .66); font-size: 14px; }
.pt-foot--platform { background: #1a2433; margin-top: 32px; }
.pt-foot__top { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 36px; padding: 56px 0 40px; }
.pt-foot .pt-logo__name { color: #fff; }
.pt-foot .pt-logo__mark rect { fill: rgba(255, 255, 255, .1); }
.pt-foot__brand p { margin: 16px 0 18px; max-width: 360px; line-height: 1.75; font-size: 13.5px; }
.pt-foot__contact { display: grid; gap: 9px; }
.pt-foot__contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; }
.pt-foot__contact .pt-ico { margin-top: 3px; color: rgba(255, 255, 255, .45); }
.pt-foot__contact a:hover { color: #fff; }
.pt-foot__col h3 { margin-bottom: 14px; color: #fff; font: 600 13px/1.4 var(--font-display); letter-spacing: .06em; text-transform: uppercase; }
html[lang^='zh'] .pt-foot__col h3, html[lang='ja'] .pt-foot__col h3, html[lang='ko'] .pt-foot__col h3 { text-transform: none; letter-spacing: .02em; font-size: 14px; }
.pt-foot__col a, .pt-foot__col button { display: block; padding: 5px 0; color: rgba(255, 255, 255, .62); font-size: 13.5px; text-align: left; }
.pt-foot__col a:hover, .pt-foot__col button:hover { color: #fff; }
.pt-foot__legal { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px 0; padding: 14px 0; border-top: 1px solid rgba(255, 255, 255, .1); font-size: 13px; }
.pt-foot__legal a { padding: 0 16px; border-left: 1px solid rgba(255, 255, 255, .2); color: rgba(255, 255, 255, .72); line-height: 1.2; }
.pt-foot__legal a:first-child { border-left: 0; }
.pt-foot__legal a:hover { color: #fff; }
.pt-policy { padding-top: 28px; padding-bottom: 56px; }
.pt-policy .pt-prose h2 { margin: 26px 0 10px; color: var(--main-ink); font-size: 18px; }
.pt-policy .pt-prose h2:first-child { margin-top: 0; }
.pt-policy__lead { margin-bottom: 20px; color: var(--ink-2); font-size: 15px; }
.pt-policy__form { display: grid; gap: 14px; max-width: 760px; }
.pt-policy__form .pt-btn { justify-self: start; }
.pt-foot__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding: 20px 0 28px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: 12.5px; color: rgba(255, 255, 255, .45); }
.pt-foot__bottom a:hover { color: #fff; }

/* ---------- 浮动联系条与手机底栏 ---------- */
.pt-rail { position: fixed; right: 16px; top: 50%; z-index: 40; display: grid; transform: translateY(-50%); border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-2); overflow: hidden; }
.pt-rail > * { display: grid; justify-items: center; gap: 3px; width: 62px; padding: 10px 4px; color: var(--ink-2); font-size: 11px; border-top: 1px solid var(--line-2); }
.pt-rail > *:first-child { border-top: 0; background: var(--main); color: #fff; }
.pt-rail > *:first-child:hover { background: var(--main-deep); color: #fff; }
.pt-rail .pt-ico { font-size: 19px; }
.pt-rail > *:hover { background: var(--mist); color: var(--main); }
.pt-rail__top { display: none !important; }
.pt-rail__top.is-on { display: grid !important; }
.pt-tabbar { display: none; }
/* AI 入口在右侧联系条里；原浮动按钮只作为打开对话框的触发器保留。 */
.pt-rail .pt-rail__ai { display: none; }
.pt-ai-tab .pt-rail .pt-rail__ai { display: grid; }
.pt-ai-tab .ai-float { display: none !important; }
/* 对话框开在联系条左侧、层级高于联系条，标题栏和关闭按钮不被挡住。 */
@media (min-width: 721px) { body.pt-ai-tab .ai-panel { right: 92px; bottom: 24px; z-index: 41; height: min(560px, calc(100vh - 48px)); } }
/* 快捷问题换行显示，不出现横向滚动条。 */
body.pt-ai-tab .ai-quick { flex-wrap: wrap; overflow: visible; }

/* ---------- 栏目通用 ---------- */
.pt-sec { padding: 88px 0; }
.pt-sec--tight { padding: 56px 0; }
.pt-sec--flush { padding: 28px 0 64px; }
.pt-sec--mist { background: var(--mist); }
.pt-sec--dark { background: var(--main-ink); color: rgba(255, 255, 255, .8); }
.pt-sec__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px 64px; align-items: end; margin-bottom: 44px; }
.pt-sec__head:has(> :only-child) { grid-template-columns: minmax(0, 1fr); }
.pt-sec__head h2 { max-width: 20ch; color: var(--ink); font: 700 clamp(28px, 2.7vw, 40px)/1.14 var(--font-display); letter-spacing: -.022em; text-wrap: balance; }
html[lang^='zh'] .pt-sec__head h2, html[lang='ja'] .pt-sec__head h2, html[lang='ko'] .pt-sec__head h2 { max-width: 16em; line-height: 1.28; letter-spacing: 0; }
.pt-sec__aside { display: grid; gap: 14px; justify-items: start; }
.pt-sec__aside p { max-width: 54ch; color: var(--ink-3); font-size: 16px; line-height: 1.7; }
.pt-sec--dark .pt-sec__head h2 { color: #fff; }
.pt-sec--dark .pt-sec__aside p { color: rgba(255, 255, 255, .66); }
.pt-sec--rule { border-top: 1px solid var(--line); }
.pt-sec__subtitle { margin: 40px 0 16px; }

/* ---------- 产品卡 ---------- */
.pt-prods { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.pt-prods--list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pt-prod { position: relative; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.pt-prod:hover { border-color: var(--main-line); box-shadow: var(--shadow-2); }
.pt-prod__media { position: relative; display: block; aspect-ratio: 1; background: #fff; border-bottom: 1px solid var(--line-2); }
.pt-prod__media img { width: 100%; height: 100%; object-fit: contain; padding: 8%; }
.pt-prod__body { display: flex; flex-direction: column; gap: 6px; flex: 1; padding: 16px 16px 14px; }
.pt-prod__name { color: var(--ink); font: 600 15px/1.35 var(--font-display); letter-spacing: -.005em; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pt-prod__spec { color: var(--ink-2); font-size: 13px; font-variant-numeric: tabular-nums; }
.pt-prod__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.pt-prod__chips span { padding: 2px 7px; border-radius: 2px; background: var(--mist); color: var(--ink-3); font-size: 11.5px; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pt-price--ask { white-space: nowrap; }
.pt-prod__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; padding-top: 10px; border-top: 1px dashed var(--line); }
.pt-prod__more { color: var(--main); font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.pt-prod:hover .pt-prod__more { text-decoration: underline; text-underline-offset: 3px; }
.pt-prod__specs { display: grid; margin-top: 4px; border-top: 1px solid var(--line-2); }
.pt-prod__specs > span { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 10px; padding: 6px 0; border-bottom: 1px solid var(--line-2); font-size: 12.5px; line-height: 1.4; }
.pt-prod__specs > span > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pt-prod__specs > span > span:first-child { color: var(--ink-4); }
.pt-prod__specs > span > span:last-child { color: var(--ink-2); font-weight: 500; }
.pt-prod--specs .pt-prod__foot { border-top: 0; padding-top: 8px; }
.pt-prod--sm .pt-prod__body { padding: 12px 12px 10px; }
.pt-prod--sm .pt-prod__name { font-size: 14px; }

/* ---------- 品牌门户 · 首页（企业官网式：整宽分段，不用面板框） ---------- */
html[data-portal-layout='brand'] { --wrap: 1200px; }
.pt-home--brand { background: #fff; }
.pt-home--brand .pt-bsec { padding: 64px 0; }
.pt-home--brand .pt-bsec:nth-of-type(odd) { background: #f5f7fa; }
.pt-bpanel { position: relative; }
.pt-phead { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 8px 24px; margin-bottom: 32px; }
.pt-phead h2 { grid-column: 1; grid-row: 1; color: var(--main-ink); font: 700 clamp(24px, 2.2vw, 30px)/1.25 var(--font-display); letter-spacing: -.01em; }
.pt-phead h2::before { content: ''; display: block; width: 36px; height: 3px; margin-bottom: 14px; background: var(--accent); }
.pt-phead h2 .pt-ico { display: none; }
.pt-phead__sub { grid-column: 1; grid-row: 2; max-width: 62ch; color: var(--ink-3); font-size: 14.5px; line-height: 1.7; }
.pt-phead__more { display: inline-flex; grid-column: 2; grid-row: 1 / 3; align-self: end; align-items: center; gap: 2px; color: var(--main); font-size: 14px; font-weight: 600; white-space: nowrap; }
.pt-phead__more:hover { color: var(--accent); }
.pt-phead__more .pt-ico { font-size: 13px; }
.pt-phead__tabs { display: flex; grid-column: 1 / -1; grid-row: 3; margin-top: 10px; overflow-x: auto; border-bottom: 1px solid var(--line); scrollbar-width: none; }
.pt-phead__tabs::-webkit-scrollbar { display: none; }
.pt-phead__tabs button { position: relative; padding: 0 20px 12px 0; margin-right: 8px; color: var(--ink-2); font-size: 15px; font-weight: 600; white-space: nowrap; }
.pt-phead__tabs button span { margin-left: 5px; color: var(--ink-4); font-size: 12px; font-weight: 500; }
.pt-phead__tabs button:hover { color: var(--main); }
.pt-phead__tabs button.is-on { color: var(--main); }
.pt-phead__tabs button.is-on::after { content: ''; position: absolute; left: 0; right: 20px; bottom: -1px; height: 3px; background: var(--accent); }
.pt-btn--line { border-color: rgba(255, 255, 255, .55); background: transparent; color: #fff; }
.pt-btn--line:hover { border-color: #fff; background: rgba(255, 255, 255, .1); }

/* 首屏：左侧深色文字区，右侧产品实拍图；核心数据卡片压在首屏下沿 */
.pt-chero { position: relative; overflow: hidden; background: var(--main-ink); color: #fff; }
.pt-chero__media { position: absolute; top: 0; right: 0; bottom: 0; width: 60%; }
.pt-chero__media .pt-slider__slide img { width: 100%; height: 100%; object-fit: cover; }
.pt-chero__media .pt-slider__slide::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, var(--main-ink) 0%, rgba(13, 34, 54, .55) 24%, rgba(13, 34, 54, 0) 52%); }
.pt-chero__media .pt-slider__dots { z-index: 2; left: auto; right: max(var(--gutter), calc((100vw - var(--wrap)) / 2)); bottom: 78px; }
.pt-chero__inner { position: relative; z-index: 1; display: flex; align-items: center; min-height: clamp(460px, 38vw, 560px); padding-bottom: 48px; }
.pt-chero__copy { max-width: 540px; padding: 56px 0; }
.pt-chero__tag { display: inline-flex; align-items: center; gap: 12px; color: rgba(255, 255, 255, .82); font-size: 14px; font-weight: 600; }
.pt-chero__tag::before { content: ''; width: 28px; height: 3px; background: var(--accent); }
.pt-chero h1 { margin-top: 18px; color: #fff; font: 700 clamp(30px, 3vw, 44px)/1.2 var(--font-display); letter-spacing: -.02em; text-wrap: balance; }
html[lang^='zh'] .pt-chero h1, html[lang='ja'] .pt-chero h1, html[lang='ko'] .pt-chero h1 { max-width: 15em; font-size: clamp(26px, 2.5vw, 38px); line-height: 1.38; letter-spacing: .02em; text-wrap: pretty; }
.pt-chero__lead { margin-top: 18px; color: rgba(255, 255, 255, .78); font-size: 16px; line-height: 1.75; }
.pt-chero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.pt-chero__facts { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: -48px; border-top: 3px solid var(--accent); background: #fff; box-shadow: 0 18px 40px -24px rgba(13, 34, 54, .45); }
.pt-chero__facts > div { padding: 22px 26px; border-left: 1px solid var(--line); }
.pt-chero__facts > div:first-child { border-left: 0; }
.pt-chero__facts dt { color: var(--main-ink); font: 700 clamp(22px, 2vw, 28px)/1.15 var(--font-display); font-variant-numeric: tabular-nums; }
.pt-chero__facts dd { margin-top: 6px; color: var(--ink-3); font-size: 13px; line-height: 1.5; }
.pt-crecog { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 36px; padding: 22px 0 8px; color: var(--ink-2); font-size: 13.5px; font-weight: 600; }
.pt-crecog li { display: flex; align-items: center; gap: 8px; }
.pt-crecog .pt-ico { color: var(--accent); font-size: 19px; }

/* 应用行业图片卡 */
.pt-ctiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.pt-ctile { display: flex; flex-direction: column; border: 1px solid var(--line); background: #fff; transition: border-color .2s, box-shadow .2s; }
.pt-ctile:hover { border-color: var(--main-line); box-shadow: var(--shadow-2); }
.pt-ctile__media { position: relative; display: grid; place-items: center; aspect-ratio: 16 / 10; overflow: hidden; background: #f7f8fa; color: var(--main-line); font-size: 48px; }
.pt-ctile__media img { position: absolute; inset: 0; width: 100%; height: 100%; padding: 4% 6% 9%; object-fit: contain; mix-blend-mode: multiply; transition: transform .4s; }
.pt-ctile:hover .pt-ctile__media img { transform: scale(1.04); }
.pt-ctile__body { position: relative; display: flex; flex: 1; flex-direction: column; gap: 8px; padding: 26px 22px 20px; }
.pt-ctile__ico { position: absolute; top: -22px; left: 22px; display: grid; place-items: center; width: 44px; height: 44px; background: var(--main); color: #fff; font-size: 22px; }
.pt-ctile strong { color: var(--main-ink); font-size: 18px; font-weight: 700; }
.pt-ctile small { color: var(--ink-3); font-size: 13.5px; line-height: 1.65; }
.pt-ctile__parts { display: flex; flex-wrap: wrap; gap: 6px; }
.pt-ctile__parts span { padding: 2px 8px; background: var(--mist); color: var(--ink-2); font-size: 12px; }
.pt-ctile em { display: inline-flex; align-items: center; gap: 4px; margin-top: auto; padding-top: 6px; color: var(--main); font-style: normal; font-size: 13.5px; font-weight: 600; }

/* 询价带 */
.pt-cquote { background: linear-gradient(110deg, var(--main-ink) 0%, var(--main-deep) 100%); color: #fff; }
.pt-cquote__inner { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.7fr); align-items: center; gap: 40px; padding: 44px 0; }
.pt-cquote h2 { font: 700 24px/1.3 var(--font-display); }
.pt-cquote__copy p { margin-top: 8px; color: rgba(255, 255, 255, .75); font-size: 14px; line-height: 1.6; }
.pt-cquote__tel { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; font: 700 18px/1 var(--font-display); }
.pt-cquote__tel .pt-ico { color: var(--accent); }
.pt-cquote__form { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr auto; align-items: end; gap: 10px; }
.pt-cquote__form .pt-field > span { color: rgba(255, 255, 255, .75); font-size: 12px; }
.pt-cquote__form .pt-field b { color: #ffb4b4; }
.pt-cquote__form .pt-field input { min-height: 42px; border-color: transparent; }
.pt-cquote__form .pt-btn { min-height: 42px; }
.pt-cquote__form .pt-msg { grid-column: 1 / -1; margin: 0; color: #fff; }
.pt-cquote__form .pt-msg:empty { display: none; }
.pt-cquote .pt-done { display: flex; align-items: center; gap: 12px; color: #fff; text-align: left; }
.pt-cquote .pt-done p { margin: 0; color: rgba(255, 255, 255, .8); }

/* 产品中心 */
.pt-bsec .pt-prods--4 { gap: 20px; }
.pt-prods--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.pt-prods--5 { grid-template-columns: repeat(min(var(--n, 5), 5), minmax(0, 1fr)); gap: 16px; }
.pt-bfloor__all { display: flex; align-items: center; justify-content: center; gap: 4px; margin-top: 20px; padding: 10px; border: 1px solid var(--line); background: #fff; color: var(--ink-2); font-size: 13.5px; }
.pt-bfloor__all:hover { border-color: var(--main); color: var(--main); }
.pt-home--brand .pt-adband { margin-bottom: 0; }
.pt-home--brand .pt-bsec:has(> .pt-adband) { padding: 0 0 48px; background: #f5f7fa; }

/* 供求信息 */
.pt-bsd__body { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.pt-bsd__head { display: flex; align-items: flex-end; gap: 14px; margin-bottom: 4px; border-bottom: 1px solid var(--line); }
.pt-bsd__head h3 { margin-bottom: -1px; padding-bottom: 10px; border-bottom: 3px solid var(--main); color: var(--main-ink); font-size: 17px; font-weight: 700; }
.pt-bsd__head .pt-link { margin-left: auto; padding-bottom: 11px; font-size: 13px; }
.pt-bsd__head .pt-phead__more { padding-bottom: 11px; font-size: 13px; }
.pt-bsd__body .pt-board { border-top: 0; }
.pt-bsd__body .pt-board li a { padding: 12px 0; border-bottom-style: dashed; }

/* 资讯与展会 */
.pt-cnews { display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr); gap: 40px; }
.pt-cnews__lead { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; margin-bottom: 8px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.pt-cnews__media { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--mist); }
.pt-cnews__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.pt-cnews__lead:hover img { transform: scale(1.03); }
.pt-cnews__body { display: flex; flex-direction: column; justify-content: center; gap: 10px; }
.pt-cnews__body small { color: var(--accent); font-size: 12.5px; font-weight: 600; }
.pt-cnews__body strong { color: var(--main-ink); font-size: 20px; font-weight: 700; line-height: 1.4; }
.pt-cnews__body > span { color: var(--ink-3); font-size: 14px; line-height: 1.7; }
.pt-cnews__lead:hover strong { color: var(--main); }
.pt-cnews .pt-list li { padding: 11px 0; }
.pt-cnews .pt-list a { font-size: 14.5px; }
.pt-cnews__fairs { align-self: start; padding: 22px; border: 1px solid var(--line); border-top: 3px solid var(--main); background: #fff; }
.pt-cnews__fairs h3 { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; color: var(--main-ink); font-size: 17px; font-weight: 700; }
.pt-cnews__fairs h3 .pt-ico { color: var(--accent); }
.pt-cnews__fairs h3 .pt-phead__more { margin-left: auto; font-size: 13px; }
.pt-cnews__fairs li a { display: grid; grid-template-columns: 56px minmax(0, 1fr); align-items: center; gap: 14px; padding: 12px 0; border-bottom: 1px dashed var(--line); }
.pt-cnews__date { display: grid; place-items: center; align-content: center; height: 56px; background: var(--main); color: #fff; }
.pt-cnews__date b { font: 700 20px/1 var(--font-display); }
.pt-cnews__date small { margin-top: 3px; font-size: 11px; opacity: .8; }
.pt-cnews__fairs li.is-past .pt-cnews__date { background: var(--ink-4); }
.pt-cnews__fairs strong { display: block; color: var(--ink); font-size: 14px; font-weight: 600; line-height: 1.4; }
.pt-cnews__fairs li a:hover strong { color: var(--main); }
.pt-cnews__fairs a > span:last-child small { color: var(--ink-3); font-size: 12.5px; }
.pt-cnews__fairs .pt-cnews__date small { color: rgba(255, 255, 255, .82); }
.pt-cnews__fairs .pt-btn { margin-top: 16px; }

/* 展会表 */
.pt-bfair { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 24px; align-items: start; }
.pt-bfair .pt-fair-table { border-top-width: 1px; }
.pt-bfair .pt-fair-table thead th { background: var(--mist); padding-left: 12px; color: var(--main-ink); font-size: 13px; }
.pt-bfair .pt-fair-table tbody th, .pt-bfair .pt-fair-table tbody td { padding: 13px 16px 13px 12px; }
.pt-bfair .pt-fair-table tbody th a { font-size: 14.5px; }
.pt-bfair__side { display: grid; gap: 10px; padding: 18px; border-top: 3px solid var(--accent); background: var(--mist); }
.pt-bfair__side h3 { color: var(--main-ink); font-size: 16px; font-weight: 700; }
.pt-bfair__side p { color: var(--ink-3); font-size: 13px; line-height: 1.7; }

/* 企业实力 */
.pt-bco { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 32px; align-items: stretch; }
.pt-bco__media { overflow: hidden; background: var(--mist); min-height: 300px; }
.pt-bco__media img { width: 100%; height: 100%; object-fit: cover; }
.pt-bco__text { display: flex; flex-direction: column; gap: 14px; }
.pt-bco__text h3 { color: var(--main-ink); font-size: 20px; font-weight: 700; }
.pt-bco__text > p { color: var(--ink-2); font-size: 14px; line-height: 1.85; }
.pt-bfacts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); }
.pt-bfacts > div { display: grid; gap: 4px; padding: 14px 14px 12px; border-left: 1px solid var(--line); }
.pt-bfacts > div:first-child { border-left: 0; }
.pt-bfacts dt { color: var(--accent); font: 700 22px/1.15 var(--font-display); font-variant-numeric: tabular-nums; }
.pt-bfacts dd { color: var(--ink-3); font-size: 12.5px; line-height: 1.45; }
.pt-bco__btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }
.pt-bco__tabs { margin-top: 24px; }
.pt-bco__tabs .pt-tabs__list--line { margin-bottom: 18px; }
.pt-bsteps { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); counter-reset: none; }
.pt-bsteps li { position: relative; display: grid; align-content: start; gap: 6px; padding: 0 18px 4px; border-left: 1px dashed var(--line); }
.pt-bsteps li:first-child { padding-left: 0; border-left: 0; }
.pt-bsteps li > span { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--main); color: #fff; font: 700 13px/1 var(--font-display); }
.pt-bsteps strong { color: var(--main-ink); font-size: 15px; }
.pt-bsteps p { color: var(--ink-3); font-size: 13px; line-height: 1.7; }
.pt-bequip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 28px; }
.pt-bequip li { display: grid; gap: 2px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.pt-bequip strong { color: var(--ink); font-size: 14px; font-weight: 600; }
.pt-bequip span { color: var(--ink-3); font-size: 12.5px; }
.pt-blead { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.pt-blead th, .pt-blead td { padding: 12px 0; border-bottom: 1px solid var(--line); text-align: left; }
.pt-blead th { color: var(--ink-2); font-weight: 400; }
.pt-blead td { color: var(--main-ink); font: 700 16px/1.3 var(--font-display); text-align: right; }
.pt-bmiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 18px 0; border-top: 2px solid var(--main-tint); }
.pt-bmiles li { position: relative; display: grid; align-content: start; gap: 4px; padding: 18px 18px 0 0; }
.pt-bmiles li::before { content: ''; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border: 3px solid var(--accent); border-radius: 50%; background: #fff; }
.pt-bmiles li > span { color: var(--accent); font: 700 15px/1.3 var(--font-display); }
.pt-bmiles strong { color: var(--main-ink); font-size: 14.5px; }
.pt-bmiles p { color: var(--ink-3); font-size: 12.5px; line-height: 1.65; }

/* 产品图库 */
.pt-bgallery { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.pt-bgallery a { display: grid; align-content: start; gap: 2px; }
.pt-bgallery a > span { margin-bottom: 8px; }
.pt-bgallery a > span { display: block; aspect-ratio: 1; overflow: hidden; border: 1px solid var(--line-2); background: #fff; }
.pt-bgallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.pt-bgallery a:hover img { transform: scale(1.04); }
.pt-bgallery strong { overflow: hidden; color: var(--ink-2); font-size: 13.5px; font-weight: 500; text-align: center; text-overflow: ellipsis; white-space: nowrap; }
.pt-bgallery a:hover strong { color: var(--accent); }
.pt-bgallery small { overflow: hidden; color: var(--ink-3); font-size: 12.5px; text-align: center; text-overflow: ellipsis; white-space: nowrap; }

/* 重点市场（首页面板内） */
.pt-bpanel .pt-markets { border-top: 0; }
.pt-bpanel .pt-market__countries li { font-size: clamp(18px, 1.7vw, 24px); }
.pt-bpanel .pt-commitments { margin-top: 24px; }
.pt-home--brand .pt-cta { margin-top: 20px; }
.pt-main.pt-home--brand .pt-block-custom { padding: 20px 0 0; background: none; }
.pt-home--brand .pt-block-custom__inner { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.pt-home--brand .pt-block-custom__body h2 { padding-bottom: 12px; border-bottom: 1px solid var(--line); color: var(--main-ink); font-size: 21px; letter-spacing: 0; }
.pt-home--brand .pt-block-custom--list .pt-checks li { padding: 16px 18px; border-radius: var(--radius); background: var(--mist); border-color: var(--line-2); }

/* 首页与内页共用的栏目元件 */
.pt-tabs__list { display: flex; gap: 8px; margin-bottom: 24px; overflow-x: auto; scrollbar-width: none; }
.pt-tabs__list::-webkit-scrollbar { display: none; }
.pt-tabs__list button { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 16px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--ink-2); font-weight: 600; white-space: nowrap; }
.pt-tabs__list button span { color: var(--ink-4); font-weight: 500; font-size: 12px; }
.pt-tabs__list button:hover { border-color: var(--main-line); color: var(--main); }
.pt-tabs__list button.is-on { background: var(--main); border-color: var(--main); color: #fff; }
.pt-figures__grid { display: grid; grid-template-columns: repeat(var(--cols, 4), minmax(0, 1fr)); gap: 0 40px; padding: 36px 0 40px; }
.pt-figures__grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 34px; }
.pt-figures__grid > div { display: grid; align-content: start; gap: 8px; }
.pt-figures__grid > div::before { content: ''; height: 9px; margin-bottom: 6px; border-inline: 1px solid var(--steel-line); background: linear-gradient(var(--steel-line), var(--steel-line)) center / 100% 1px no-repeat; }
.pt-figures__grid dt { color: var(--main-ink); font: 700 clamp(24px, 2.3vw, 32px)/1.1 var(--font-display); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.pt-figures__grid dd { color: var(--ink-3); font-size: 14px; line-height: 1.5; }
.pt-figures__grid--light { margin-bottom: 48px; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.pt-process { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius-lg); overflow: hidden; }
.pt-process li { display: grid; align-content: start; gap: 10px; padding: 26px 22px; background: var(--main-ink); }
.pt-process__num { color: #9cc3ec; font: 600 13px/1 var(--font-display); letter-spacing: .1em; }
.pt-process strong { color: #fff; font: 600 17px/1.35 var(--font-display); }
.pt-process p { color: rgba(255, 255, 255, .64); font-size: 13.5px; line-height: 1.65; }
.pt-process--light { background: var(--line); border-color: var(--line); margin-bottom: 40px; }
.pt-process--light li { background: #fff; }
.pt-process--light .pt-process__num { color: var(--accent); }
.pt-process--light strong { color: var(--ink); }
.pt-process--light p { color: var(--ink-3); }
.pt-timeline { position: relative; display: grid; gap: 0; }
.pt-timeline::before { content: ''; position: absolute; left: 7px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.pt-timeline li { position: relative; display: grid; gap: 6px; padding: 0 0 32px 40px; }
.pt-timeline li::before { content: ''; position: absolute; left: 0; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 3px solid var(--accent); }
.pt-timeline li:last-child { padding-bottom: 0; }
.pt-timeline__period { color: var(--accent); font: 700 15px/1.3 var(--font-display); letter-spacing: .02em; }
.pt-timeline strong { color: var(--ink); font: 600 17px/1.4 var(--font-display); }
.pt-timeline p { margin-top: 6px; color: var(--ink-3); font-size: 14.5px; line-height: 1.7; }
.pt-timeline--wide { max-width: 860px; }
.pt-board { border-top: 1px solid var(--line); }
.pt-board li a { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 14px; padding: 15px 4px; border-bottom: 1px solid var(--line); transition: background .15s; }
.pt-board li a:hover .pt-board__title { color: var(--main); }
.pt-board__title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink); font-weight: 500; }
.pt-board time { color: var(--ink-4); font-size: 12.5px; font-variant-numeric: tabular-nums; }
.pt-board--dense li a { padding: 10px 2px; gap: 10px; }
.pt-fair-table { width: 100%; border-top: 2px solid var(--ink); }
.pt-fair-table thead th { padding: 12px 20px 12px 0; border-bottom: 1px solid var(--line); color: var(--ink-4); font-size: 12.5px; font-weight: 600; text-align: left; }
.pt-fair-table tbody th, .pt-fair-table tbody td { padding: 18px 20px 18px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.pt-fair-table tbody th a { color: var(--ink); font: 600 16px/1.4 var(--font-display); }
.pt-fair-table tbody th a:hover { color: var(--main); }
.pt-fair-table td:nth-child(2) { color: var(--ink); font-weight: 600; white-space: nowrap; font-variant-numeric: tabular-nums; }
.pt-fair-table td span { color: var(--ink-2); }
.pt-fair-table td small { display: block; margin-top: 2px; color: var(--ink-4); font-size: 12.5px; }
.pt-fair-table tr.is-past th a, .pt-fair-table tr.is-past td, .pt-fair-table tr.is-past td span { color: var(--ink-4); }
.pt-status { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.pt-status::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pt-status--soon { color: var(--main) !important; }
.pt-status--live { color: var(--accent) !important; }
.pt-status--past { color: var(--ink-4) !important; }
.pt-fair-list li a { display: grid; gap: 4px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.pt-fair-list strong { color: var(--ink); font-weight: 600; }
.pt-fair-list span { color: var(--ink-3); font-size: 13.5px; }
.pt-plsec .pt-fair-table { border-top-width: 1px; }
.pt-prods--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.pt-markets { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 2px solid var(--ink); }
.pt-market { padding: 22px 32px 0 32px; border-left: 1px solid var(--line); }
.pt-market:first-child { padding-left: 0; border-left: 0; }
.pt-market h3 { color: var(--steel); font-size: 13.5px; font-weight: 600; }
.pt-market__countries { display: grid; gap: 2px; margin-top: 12px; }
.pt-market__countries li { color: var(--ink); font: 700 clamp(22px, 2.1vw, 30px)/1.25 var(--font-display); letter-spacing: -.015em; }
.pt-market p { margin-top: 14px; color: var(--ink-3); font-size: 14px; line-height: 1.65; }
.pt-commitments { display: flex; flex-wrap: wrap; gap: 12px 32px; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line); }
.pt-commitments li { display: flex; align-items: center; gap: 8px; color: var(--ink-2); font-size: 14px; }
.pt-commitments .pt-ico { color: var(--ok); }
.pt-ad__tag { position: absolute; right: 8px; top: 8px; padding: 1px 6px; border-radius: 2px; background: rgba(0, 0, 0, .45); color: #fff; font-size: 11px; }
.pt-cta { background: var(--main); color: #fff; }
.pt-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 48px 0; }
.pt-cta h2 { font: 700 clamp(22px, 2.2vw, 30px)/1.25 var(--font-display); letter-spacing: -.01em; }
.pt-cta p { margin-top: 10px; color: rgba(255, 255, 255, .78); max-width: 640px; }
.pt-cta__actions { display: flex; align-items: center; gap: 22px; flex: none; }
.pt-cta__tel { display: inline-flex; align-items: center; gap: 8px; font: 600 18px/1 var(--font-display); }
.pt-block-custom { padding: 72px 0; }
.pt-block-custom:nth-of-type(even) { background: var(--mist); }
.pt-block-custom__inner { display: grid; gap: 48px; align-items: center; }
.pt-block-custom.has-media .pt-block-custom__inner { grid-template-columns: 1fr 1fr; }
.pt-block-custom__media img { width: 100%; border-radius: var(--radius-lg); aspect-ratio: 4 / 3; object-fit: cover; }
.pt-block-custom__body { display: grid; gap: 16px; max-width: 760px; }
.pt-block-custom__body h2 { font: 700 clamp(24px, 2.4vw, 32px)/1.2 var(--font-display); letter-spacing: -.02em; }
.pt-block-custom--list .pt-block-custom__body { max-width: none; }
.pt-block-custom--list .pt-checks { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 8px; }
.pt-block-custom--list .pt-checks li { padding: 20px 22px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; line-height: 1.65; }
.pt-block-custom--list .pt-checks .pt-ico { color: var(--accent); }
.pt-block-custom--band { background: var(--main-ink) !important; color: rgba(255, 255, 255, .8); }
.pt-block-custom--band h2 { color: #fff; }
.pt-block-custom--band .pt-prose { color: rgba(255, 255, 255, .78); }

/* ---------- 行业平台 · 首页 ---------- */
.pt-home--platform { padding-bottom: 8px; }
.pt-panel { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.pt-panel--pad { padding: 28px; }
.pt-panel__title { margin-bottom: 18px; color: var(--ink); font: 700 19px/1.3 var(--font-display); letter-spacing: -.01em; }
.pt-portal { padding: 16px 0; }
.pt-portal__grid { display: grid; grid-template-columns: 200px minmax(0, 1fr) 272px; gap: 16px; }
.pt-catnav { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.pt-catnav h2 { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); font: 700 14px/1.3 var(--font-display); }
.pt-catnav h2 .pt-ico { color: var(--main); }
.pt-catnav ul { flex: 1; display: flex; flex-direction: column; padding: 4px 0; }
.pt-catnav li { flex: 1; display: flex; }
.pt-catnav li a { flex: 1; }
.pt-catnav li a { display: flex; align-items: center; gap: 10px; padding: 9px 16px; color: var(--ink-2); font-size: 13.5px; transition: background .15s, color .15s; }
.pt-catnav li a:hover { background: var(--main-soft); color: var(--main); }
.pt-catnav__ico { display: inline-flex; color: var(--main); font-size: 17px; }
.pt-catnav__name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pt-catnav em { color: var(--ink-4); font-style: normal; font-size: 12px; }
.pt-catnav__all { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 10px; border-top: 1px solid var(--line); color: var(--main); font-weight: 600; font-size: 13px; }
.pt-slider { position: relative; min-height: 380px; border-radius: var(--radius); overflow: hidden; background: var(--main-ink); }
.pt-slider__slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .6s, visibility .6s; }
.pt-slider__slide.is-on { opacity: 1; visibility: visible; }
.pt-slider__slide img { width: 100%; height: 100%; object-fit: cover; }
.pt-slider__slide::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(9, 18, 30, .82) 0%, rgba(9, 18, 30, .45) 48%, rgba(9, 18, 30, 0) 80%); }
.pt-slider__cap { position: absolute; z-index: 1; left: 40px; bottom: 48px; display: grid; gap: 10px; max-width: min(460px, 70%); color: #fff; }
.pt-slider__cap small { color: #9cc3ec; font-weight: 600; font-size: 12.5px; letter-spacing: .06em; }
.pt-slider__cap strong { font: 700 clamp(22px, 2.2vw, 30px)/1.25 var(--font-display); letter-spacing: -.01em; }
.pt-slider__cap span { color: rgba(255, 255, 255, .8); font-size: 14px; line-height: 1.6; }
.pt-slider__cap em { display: inline-flex; align-items: center; gap: 6px; margin-top: 6px; font-style: normal; font-weight: 600; font-size: 14px; }
.pt-slider__dots { position: absolute; z-index: 2; left: 40px; bottom: 20px; display: flex; gap: 6px; }
.pt-slider__dots button { width: 22px; height: 3px; border-radius: 2px; background: rgba(255, 255, 255, .4); }
.pt-slider__dots button.is-on { background: #fff; width: 36px; }
.pt-slider__arrow { position: absolute; z-index: 2; top: 50%; display: grid; place-items: center; width: 38px; height: 38px; margin-top: -19px; border-radius: 50%; background: rgba(255, 255, 255, .16); color: #fff; font-size: 18px; opacity: 0; transition: opacity .2s, background .2s; }
.pt-slider:hover .pt-slider__arrow, .pt-slider__arrow:focus-visible { opacity: 1; }
.pt-slider__arrow:hover { background: rgba(255, 255, 255, .3); }
.pt-slider__arrow--prev { left: 12px; }
.pt-slider__arrow--next { right: 12px; }
.pt-portal__side { display: grid; gap: 12px; align-content: start; min-width: 0; }
.pt-portal__side > *, .pt-portal__grid > * { min-width: 0; }
.pt-userbox { display: grid; grid-template-columns: auto 1fr; gap: 10px 12px; align-items: center; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.pt-userbox__avatar { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: var(--main-soft); color: var(--main); font-size: 20px; }
.pt-userbox strong { display: block; font-size: 14px; }
.pt-userbox small { color: var(--ink-4); font-size: 12px; }
.pt-userbox__btns { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.pt-userbox__btns .pt-btn:only-child { grid-column: 1 / -1; }
.pt-userbox__post { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; padding-top: 10px; border-top: 1px dashed var(--line); }
.pt-userbox__post button { display: grid; justify-items: center; gap: 4px; padding: 8px 2px; border-radius: var(--radius); color: var(--ink-2); font-size: 12px; }
.pt-userbox__post button .pt-ico { font-size: 19px; color: var(--main); }
.pt-userbox__post button:hover { background: var(--main-soft); color: var(--main); }
.pt-noticebox { padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.pt-noticebox h3 { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; font: 700 14px/1.3 var(--font-display); }
.pt-noticebox h3 .pt-ico { color: var(--accent); }
.pt-noticebox li { padding: 5px 0; font-size: 13px; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pt-noticebox li::before { content: '·'; margin-right: 6px; color: var(--ink-4); }
.pt-statbox { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.pt-statbox div { padding: 12px 14px; border-top: 1px solid var(--line); }
.pt-statbox div:nth-child(-n+2) { border-top: 0; }
.pt-statbox div:nth-child(even) { border-left: 1px solid var(--line); }
.pt-statbox dt { color: var(--main-ink); font: 700 20px/1.2 var(--font-display); font-variant-numeric: tabular-nums; }
.pt-statbox dd { color: var(--ink-4); font-size: 12px; }
.pt-channels { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); margin: 0 auto 16px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.pt-channels a { display: grid; justify-items: center; gap: 6px; padding: 18px 8px; border-left: 1px solid var(--line-2); text-align: center; transition: background .15s; }
.pt-channels a:first-child { border-left: 0; }
.pt-channels a:hover { background: var(--main-soft); }
.pt-channels__ico { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 12px; background: var(--main-soft); color: var(--main); font-size: 22px; transition: background .15s, color .15s; }
.pt-channels a:hover .pt-channels__ico { background: var(--main); color: #fff; }
.pt-channels strong { font-size: 14px; color: var(--ink); }
.pt-channels small { color: var(--ink-4); font-size: 12px; }
.pt-hub { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr) 272px; gap: 16px; margin-bottom: 16px; }
.pt-hub__focus { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; gap: 10px; align-content: start; }
.pt-hub__card { position: relative; display: block; border-radius: var(--radius); overflow: hidden; background: var(--main-ink); aspect-ratio: 16 / 10; }
.pt-hub__card--lead { grid-column: 1 / -1; aspect-ratio: 16 / 8.5; }
.pt-hub__focus[data-count='1'] .pt-hub__card, .pt-hub__focus[data-count='2'] .pt-hub__card { grid-column: 1 / -1; aspect-ratio: 16 / 8.5; }
.pt-hub__card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.pt-hub__card:hover img { transform: scale(1.04); }
.pt-hub__card > span { position: absolute; inset: auto 0 0; display: grid; gap: 4px; padding: 30px 14px 12px; background: linear-gradient(transparent, rgba(5, 12, 22, .85)); color: #fff; }
.pt-hub__card small { color: #9cc3ec; font-size: 11.5px; }
.pt-hub__card strong { font-weight: 600; font-size: 13.5px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pt-hub__card--lead strong { font-size: 16px; }
.pt-hub__tabs { padding: 4px 18px 16px; }
.pt-tabs__list--line { gap: 0; margin: 0 0 12px; border-bottom: 1px solid var(--line); align-items: center; }
.pt-tabs__list--line button { min-height: 46px; padding: 0 14px; border: 0; border-radius: 0; background: none; border-bottom: 2px solid transparent; margin-bottom: -1px; font-size: 15px; }
.pt-tabs__list--line button.is-on { background: none; color: var(--main); border-color: var(--main); }
.pt-tabs__list--line .pt-link { margin-left: auto; font-size: 13px; font-weight: 500; }
.pt-hub__lead { display: grid; gap: 6px; padding: 4px 0 12px; border-bottom: 1px solid var(--line); margin-bottom: 4px; }
.pt-hub__lead strong { color: var(--ink); font: 600 16px/1.45 var(--font-display); }
.pt-hub__lead:hover strong { color: var(--main); }
.pt-hub__lead p { color: var(--ink-3); font-size: 13px; line-height: 1.6; }
.pt-rank { padding: 16px 18px; }
.pt-rank h3 { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font: 700 15px/1.3 var(--font-display); }
.pt-rank h3 .pt-ico { color: var(--buy); }
.pt-rank ol { margin-bottom: 14px; }
.pt-rank li { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.pt-rank li a { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-2); font-size: 13.5px; }
.pt-rank li a:hover { color: var(--main); }
.pt-rank__no { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 3px; background: var(--fog); color: var(--ink-3); font: 700 11.5px/1 var(--font-display); flex: none; }
.pt-rank li:nth-child(-n+3) .pt-rank__no { background: var(--buy); color: #fff; }
.pt-adband { margin-bottom: 16px; }
.pt-adband__img { position: relative; display: block; border-radius: var(--radius); overflow: hidden; }
.pt-adband__img img { width: 100%; aspect-ratio: 1200 / 110; object-fit: cover; }
.pt-adband__slot { display: grid; grid-template-columns: auto auto 1fr auto; align-items: center; gap: 24px; min-height: 96px; padding: 0 32px; border: 1px dashed var(--main-line); border-radius: var(--radius); background: repeating-linear-gradient(135deg, #fff 0 14px, var(--main-soft) 14px 28px); }
.pt-adband__label { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 2px; background: var(--main); color: #fff; font-weight: 700; font-size: 14px; }
.pt-adband__slot strong { font: 700 18px/1.3 var(--font-display); color: var(--main-ink); }
.pt-adband__slot > span:not(.pt-adband__label) { color: var(--ink-3); font-size: 13.5px; }
.pt-adband__slot em { display: inline-flex; align-items: center; gap: 6px; color: var(--main); font-style: normal; font-weight: 600; }
.pt-plsec { margin-bottom: 16px; padding: 0 20px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.pt-plsec__head { display: flex; align-items: center; gap: 20px; min-height: 54px; margin-bottom: 16px; border-bottom: 1px solid var(--line); }
.pt-plsec__head h2 { display: flex; align-items: center; gap: 10px; flex: none; padding: 14px 0; margin-bottom: -1px; border-bottom: 2px solid var(--main); color: var(--ink); font: 700 18px/1.3 var(--font-display); }
.pt-plsec__head h2 .pt-ico { color: var(--main); }
.pt-plsec__head nav { display: flex; flex-wrap: wrap; gap: 4px 16px; flex: 1; min-width: 0; overflow: hidden; max-height: 22px; }
.pt-plsec__head nav a, .pt-plsec__head nav span { color: var(--ink-3); font-size: 13px; white-space: nowrap; }
.pt-plsec__head nav a:hover { color: var(--main); }
.pt-plsec__head .pt-link { font-size: 13px; font-weight: 500; }
.pt-sd { display: grid; grid-template-columns: 240px minmax(0, 1fr) minmax(0, 1fr); gap: 28px; }
.pt-sd__cta { padding: 20px; border-radius: var(--radius); background: var(--main-soft); }
.pt-sd__cta h3 { font: 700 16px/1.35 var(--font-display); }
.pt-sd__cta p { margin: 8px 0 16px; color: var(--ink-3); font-size: 13px; }
.pt-sd__head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.pt-sd__head h3 { font: 700 15px/1.3 var(--font-display); }
.pt-sd__head .pt-link { font-size: 12.5px; font-weight: 500; }
.pt-floor__no { color: var(--accent); font-size: 15px; letter-spacing: .04em; }
.pt-floor { padding-bottom: 20px; }
.pt-floor .pt-plsec__head h2 { gap: 8px; }
.pt-floor__body { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 16px; }
.pt-floor__lead { position: relative; display: flex; flex-direction: column; border-radius: var(--radius); overflow: hidden; background: var(--main-ink); color: #fff; min-height: 100%; }
.pt-floor__lead img { width: 100%; aspect-ratio: 1; object-fit: contain; background: #fff; padding: 10%; }
.pt-floor__lead--plain > span { align-content: center; padding: 28px 22px; }
.pt-floor__lead--plain .pt-floor__ico { width: 64px; height: 64px; font-size: 34px; margin-bottom: 8px; }
.pt-floor__lead > span { display: grid; gap: 8px; padding: 18px; flex: 1; align-content: start; }
.pt-floor__ico { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: var(--radius); background: rgba(255, 255, 255, .12); font-size: 19px; }
.pt-floor__lead strong { font: 700 17px/1.3 var(--font-display); }
.pt-floor__lead small { color: rgba(255, 255, 255, .7); font-size: 13px; line-height: 1.6; }
.pt-floor__lead em { display: inline-flex; align-items: center; gap: 6px; margin-top: auto; color: #9cc3ec; font-style: normal; font-weight: 600; font-size: 13px; }
.pt-prods--floor { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.pt-home--platform .pt-prod { border-radius: var(--radius); }
.pt-home--platform .pt-prod__media img { padding: 10%; }
.pt-prods--direct { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.pt-fairgrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.pt-fair { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .2s, border-color .2s; }
.pt-fair:hover { border-color: var(--main-line); box-shadow: var(--shadow-2); }
.pt-fair__media { display: block; aspect-ratio: 16 / 9; background: var(--mist); }
.pt-fair__media img { width: 100%; height: 100%; object-fit: cover; }
.pt-fair__body { display: grid; gap: 6px; padding: 14px; }
.pt-fair strong { font-weight: 600; font-size: 14.5px; line-height: 1.45; color: var(--ink); }
.pt-fair span { color: var(--ink-3); font-size: 12.5px; line-height: 1.55; }
.pt-fair time { color: var(--ink-4); font-size: 12px; }
.pt-firmshow { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; }
.pt-firmshow__main { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 24px; align-items: start; }
.pt-firmshow__media { display: block; aspect-ratio: 16 / 11; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.pt-firmshow__media img { width: 100%; height: 100%; object-fit: cover; }
.pt-firmshow__main h3 { margin: 10px 0 8px; font: 700 20px/1.3 var(--font-display); }
.pt-firmshow__main p { color: var(--ink-3); font-size: 13.5px; line-height: 1.7; }
.pt-firmshow__btns { display: flex; flex-wrap: wrap; gap: 8px; }
.pt-firmshow__main > div { min-width: 0; }
.pt-firmshow__side { display: grid; gap: 12px; align-content: start; }
.pt-firmshow .pt-facts { grid-template-columns: repeat(auto-fit, minmax(118px, 1fr)); gap: 10px; }
.pt-firmshow .pt-facts div { padding: 10px 12px; }
.pt-firmshow .pt-facts dt { font-size: 17px; white-space: nowrap; }
.pt-logos { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.pt-logos a { display: grid; justify-items: center; gap: 6px; padding: 12px 8px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 12px; text-align: center; color: var(--ink-2); }
.pt-logos img { height: 36px; object-fit: contain; }
.pt-join { padding: 18px; border-radius: var(--radius); background: var(--mist); }
.pt-join strong { font: 700 15px/1.3 var(--font-display); }
.pt-join p { margin: 6px 0 12px; color: var(--ink-3); font-size: 13px; }
.pt-friends { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 16px; padding: 14px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; font-size: 13px; }
.pt-friends a { color: var(--ink-3); }
.pt-home--platform .pt-block-custom { padding: 0; margin: 0 auto 16px; width: min(100% - 2 * var(--gutter), var(--wrap)); border: 1px solid var(--line); border-radius: var(--radius); background: #fff !important; }
.pt-home--platform .pt-block-custom__inner { width: auto; padding: 28px; }

/* ---------- 内页通用 ---------- */
.pt-page { padding-bottom: 72px; }
html[data-portal-layout='platform'] .pt-page { padding-bottom: 24px; }
.pt-crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 18px 0 0; color: var(--ink-4); font-size: 13px; }
.pt-crumb a { color: var(--ink-3); }
.pt-crumb a:hover { color: var(--main); }
.pt-crumb .pt-ico { font-size: 12px; }
.pt-crumb [aria-current] { color: var(--ink-2); }
.pt-pagehead { background: var(--mist); border-bottom: 1px solid var(--line); }
html[data-portal-layout='platform'] .pt-pagehead { background: #fff; }
.pt-pagehead__row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; padding: 18px 0 34px; }
.pt-pagehead h1 { color: var(--ink); font: 700 clamp(26px, 2.6vw, 38px)/1.15 var(--font-display); letter-spacing: -.02em; }
.pt-pagehead p { margin-top: 10px; max-width: 760px; color: var(--ink-3); font-size: 15.5px; }
.pt-pagehead__btns { display: flex; gap: 10px; }
.pt-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; align-items: start; padding-top: 32px; }
.pt-layout--side-left { grid-template-columns: 270px minmax(0, 1fr); }
.pt-layout--side-left .pt-layout__side { order: -1; }
.pt-layout--article { grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; }
.pt-layout__main { display: grid; gap: 24px; min-width: 0; align-content: start; }
.pt-layout__side { display: grid; gap: 16px; position: sticky; top: 130px; }
html[data-portal-layout='platform'] .pt-layout__side { top: 16px; }
.pt-side-card { padding: 20px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.pt-side-card h2 { margin-bottom: 12px; font: 700 15px/1.3 var(--font-display); color: var(--ink); }
.pt-side-card > p { margin-bottom: 14px; color: var(--ink-3); font-size: 13.5px; }
.pt-side-card--accent { background: var(--main-ink); border-color: var(--main-ink); color: rgba(255, 255, 255, .78); }
.pt-side-card--accent h2 { color: #fff; font-size: 17px; }
.pt-side-card--accent > p { color: rgba(255, 255, 255, .7); }
.pt-side-card--accent .pt-btn { background: #fff; border-color: #fff; color: var(--main-ink); }
.pt-side-card--accent .pt-btn--ghost { background: transparent; border-color: rgba(255, 255, 255, .35); color: #fff; }
.pt-side-card--accent .pt-btn--ghost:hover { background: rgba(255, 255, 255, .1); }
.pt-side-nav { display: grid; gap: 2px; }
.pt-side-nav a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: var(--radius); color: var(--ink-2); font-size: 14px; }
.pt-side-nav a .pt-ico { color: var(--ink-4); font-size: 17px; }
.pt-side-nav a span { flex: 1; }
.pt-side-nav em { color: var(--ink-4); font-style: normal; font-size: 12px; }
.pt-side-nav a:hover { background: var(--mist); color: var(--main); }
.pt-side-nav a.is-on { background: var(--main-soft); color: var(--main); font-weight: 600; }
.pt-side-nav a.is-on .pt-ico { color: var(--main); }
.pt-side-nav .pt-side-nav__direct { margin-top: 6px; border-top: 1px dashed var(--line); padding-top: 12px; border-radius: 0 0 var(--radius) var(--radius); }
.pt-side-links li { padding: 9px 0; border-bottom: 1px solid var(--line-2); font-size: 13.5px; line-height: 1.5; }
.pt-side-links li:last-child { border-bottom: 0; }
.pt-side-links a { color: var(--ink-2); }
.pt-side-links a:hover { color: var(--main); }
.pt-side-links time { display: block; color: var(--ink-4); font-size: 12px; margin-top: 2px; }
.pt-mini { display: grid; gap: 12px; }
.pt-mini a { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 12px; align-items: center; }
.pt-mini__media { display: block; aspect-ratio: 1; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.pt-mini__media img { width: 100%; height: 100%; object-fit: contain; padding: 6%; }
.pt-mini strong { display: block; font-size: 13.5px; color: var(--ink); line-height: 1.35; }
.pt-mini small { display: block; color: var(--ink-3); font-size: 12px; margin: 2px 0 4px; }
.pt-mini a:hover strong { color: var(--main); }
.pt-mini .pt-price { font-size: 14px; }
.pt-mini .pt-price--ask { font-size: 12px; }
.pt-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 4px; }
.pt-toolbar__count { color: var(--ink-3); font-size: 13.5px; }
.pt-toolbar__sort { display: flex; gap: 6px; }
.pt-segment { display: inline-flex; gap: 2px; padding: 3px; border-radius: var(--radius-lg); background: var(--fog); justify-self: start; }
.pt-segment a { padding: 8px 18px; border-radius: 6px; color: var(--ink-3); font-weight: 600; font-size: 14px; white-space: nowrap; }
.pt-segment a.is-on { background: #fff; color: var(--ink); box-shadow: var(--shadow-1); }
.pt-pager { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px; padding-top: 12px; }
.pt-pager a, .pt-pager span { display: inline-flex; align-items: center; gap: 4px; min-width: 38px; height: 38px; padding: 0 12px; justify-content: center; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; color: var(--ink-2); font-size: 14px; }
.pt-pager a:hover { border-color: var(--main); color: var(--main); }
.pt-pager .is-on { background: var(--main); border-color: var(--main); color: #fff; }
.pt-note-card { display: flex; gap: 14px; padding: 18px 20px; border-radius: var(--radius-lg); background: #fffaeb; border: 1px solid #fde9a8; }
.pt-note-card > .pt-ico { color: var(--warn); font-size: 22px; flex: none; margin-top: 2px; }
.pt-note-card strong { display: block; margin-bottom: 4px; }
.pt-note-card p { color: var(--ink-2); font-size: 14px; }

/* ---------- 产品详情 ---------- */
.pt-product { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; padding: 24px 0 40px; }
.pt-gallery { display: grid; gap: 12px; align-content: start; }
.pt-gallery__main { position: relative; aspect-ratio: 1; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; overflow: hidden; }
.pt-gallery__main img { width: 100%; height: 100%; object-fit: contain; padding: 6%; }
.pt-gallery__thumbs { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.pt-gallery__thumbs button { aspect-ratio: 1; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.pt-gallery__thumbs button.is-on { border: 2px solid var(--main); }
.pt-gallery__thumbs img { width: 100%; height: 100%; object-fit: contain; padding: 6%; }
.pt-product__info { display: grid; gap: 22px; align-content: start; }
.pt-product__original { color: var(--ink-2); overflow-wrap: anywhere; }
.pt-product__original summary { cursor: pointer; min-height: 44px; padding: 10px 0; font-size: 14px; }
.pt-product__original p { margin: 8px 0; }
.pt-product__cat { display: inline-flex; align-items: center; gap: 8px; color: var(--main); font-weight: 600; font-size: 14px; }
.pt-product__info h1 { color: var(--ink); font: 700 clamp(26px, 2.6vw, 36px)/1.18 var(--font-display); letter-spacing: -.02em; }
.pt-product__info h1 span { display: block; margin-top: 8px; color: var(--ink-3); font-size: .62em; font-weight: 600; letter-spacing: 0; font-variant-numeric: tabular-nums; }
.pt-spec { display: grid; border-top: 1px solid var(--line); }
.pt-spec > div { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.pt-spec dt { color: var(--ink-3); font-size: 14px; min-width: 0; overflow-wrap: anywhere; }
.pt-spec dd { color: var(--ink); font-weight: 600; font-size: 14.5px; min-width: 0; overflow-wrap: anywhere; }
.pt-spec--wide { margin: 18px 0 26px; }
.pt-product__price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; padding: 16px 20px; border-radius: var(--radius-lg); background: var(--mist); }
.pt-product__price small { color: var(--ink-3); font-size: 13px; }
.pt-product__price .pt-price { font-size: 26px; }
.pt-product__price .pt-price--ask { font: 700 20px/1.2 var(--font-display); }
.pt-product__price > span:last-child { color: var(--ink-3); font-size: 13.5px; }
.pt-product__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.pt-product__assure { display: grid; gap: 10px; padding-top: 18px; border-top: 1px solid var(--line); }
.pt-product__assure li { display: flex; align-items: center; gap: 10px; color: var(--ink-2); font-size: 14px; }
.pt-product__assure .pt-ico { color: var(--main); font-size: 18px; }
.pt-related .pt-panel__title { margin-top: 8px; }

/* ---------- 资讯 ---------- */
.pt-article-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.pt-article-card { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.pt-article-card:not(:has(.pt-article-card__media)) { grid-template-columns: 1fr; }
.pt-article-card__media { display: block; aspect-ratio: 16 / 10; border-radius: var(--radius-lg); overflow: hidden; background: var(--mist); }
.pt-article-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.pt-article-card:hover .pt-article-card__media img { transform: scale(1.03); }
.pt-article-card__body { display: grid; gap: 8px; align-content: start; }
.pt-article-card small { color: var(--accent); font-weight: 600; font-size: 12.5px; }
.pt-article-card strong { color: var(--ink); font: 600 19px/1.4 var(--font-display); letter-spacing: -.01em; }
.pt-article-card:hover strong { color: var(--main); }
.pt-article-card__body > span { color: var(--ink-3); font-size: 14.5px; line-height: 1.7; }
.pt-article-card time { color: var(--ink-4); font-size: 12.5px; }
.pt-article-card--lead { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 32px; padding-top: 28px; }
.pt-article-card--lead strong { font-size: 25px; line-height: 1.3; }
.pt-article { min-width: 0; }
.pt-article__head { display: grid; gap: 14px; padding: 24px 0 28px; }
.pt-article__head h1 { color: var(--ink); font: 700 clamp(28px, 3vw, 42px)/1.18 var(--font-display); letter-spacing: -.025em; text-wrap: balance; }
html[lang^='zh'] .pt-article__head h1, html[lang='ja'] .pt-article__head h1, html[lang='ko'] .pt-article__head h1 { line-height: 1.32; letter-spacing: -.005em; }
.pt-article__meta { display: flex; flex-wrap: wrap; gap: 8px 22px; color: var(--ink-3); font-size: 13.5px; }
.pt-article__meta span { display: inline-flex; align-items: center; gap: 6px; }
.pt-article__source { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; margin-bottom: 14px; color: var(--ink-3); font-size: 13.5px; }
.pt-article__source strong { padding: 2px 8px; background: var(--main-soft); color: var(--main); font-size: 12.5px; }
.pt-article__source.is-reprint strong { background: var(--accent); color: #fff; }
.pt-article__source a { color: var(--main); text-decoration: underline; text-underline-offset: 3px; }
.pt-article__copyright { margin-top: 24px; padding-top: 14px; border-top: 1px dashed var(--line); color: var(--ink-4); font-size: 13px; }
.pt-article__summary { padding: 18px 22px; border-left: 3px solid var(--accent); background: var(--mist); color: var(--ink-2); font-size: 16.5px; line-height: 1.75; }
.pt-article__cover { margin: 0 0 32px; }
.pt-article__cover img { width: 100%; border-radius: var(--radius-lg); max-height: 520px; object-fit: cover; }
.pt-article__cover figcaption { margin-top: 8px; color: var(--ink-4); font-size: 12.5px; }
.pt-prose--article { max-width: 760px; font-size: 17px; line-height: 1.85; color: #273241; }
.pt-prose--article h2 { font-size: 23px; margin-top: 1.9em; }
.pt-prose--article h3 { font-size: 19px; }
.pt-prose--article p { margin-top: 1.05em; }
.pt-article__cta { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 16px; max-width: 760px; margin-top: 48px; padding: 22px 24px; border-radius: var(--radius-lg); background: var(--main-ink); color: rgba(255, 255, 255, .78); }
.pt-article__cta > .pt-ico { font-size: 26px; color: #9cc3ec; }
.pt-article__cta strong { color: #fff; font: 600 17px/1.3 var(--font-display); }
.pt-article__cta p { font-size: 14px; margin-top: 4px; }
.pt-article__cta .pt-btn { background: #fff; color: var(--main-ink); border-color: #fff; }
.pt-article__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 760px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); }
.pt-article__nav a { display: grid; gap: 6px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.pt-article__nav a:hover { border-color: var(--main-line); }
.pt-article__nav small { display: inline-flex; align-items: center; gap: 4px; color: var(--ink-4); font-size: 12.5px; }
.pt-article__nav span { color: var(--ink); font-weight: 600; font-size: 14.5px; line-height: 1.45; }
.pt-article__nav .is-next { text-align: right; }
.pt-article__nav .is-next small { justify-content: flex-end; }

/* ---------- 供求 ---------- */
.pt-listings { display: grid; gap: 12px; }
.pt-listing { display: grid; grid-template-columns: 96px minmax(0, 1fr) auto; gap: 20px; align-items: center; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; transition: border-color .2s, box-shadow .2s; }
.pt-listing:hover { border-color: var(--main-line); box-shadow: var(--shadow-1); }
.pt-listing__media { display: grid; place-items: center; aspect-ratio: 1; border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; background: #fff; color: var(--ink-4); font-size: 28px; }
.pt-listing__media img { width: 100%; height: 100%; object-fit: contain; padding: 8%; }
.pt-listing__body { display: grid; gap: 6px; min-width: 0; }
.pt-listing__top { display: flex; align-items: center; gap: 10px; }
.pt-listing__cat { color: var(--ink-4); font-size: 12.5px; }
.pt-listing h2 { font: 600 16.5px/1.4 var(--font-display); color: var(--ink); }
.pt-listing h2 a:hover { color: var(--main); }
.pt-listing p { color: var(--ink-3); font-size: 13.5px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pt-listing__meta { display: flex; flex-wrap: wrap; gap: 4px 16px; color: var(--ink-4); font-size: 12.5px; }
.pt-listing__meta span { display: inline-flex; align-items: center; gap: 5px; }
.pt-listing__act { display: grid; gap: 8px; }
.pt-listing-detail h1 { margin: 12px 0 4px; color: var(--ink); font: 700 clamp(22px, 2.2vw, 30px)/1.25 var(--font-display); letter-spacing: -.015em; }
.pt-listing-detail .pt-product__actions { margin-top: 24px; }

/* ---------- 企业 ---------- */
.pt-featured-firm { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 28px; padding: 24px; }
.pt-featured-firm__media { display: block; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3; }
.pt-featured-firm__media img { width: 100%; height: 100%; object-fit: cover; }
.pt-featured-firm h2 { margin: 10px 0 8px; font: 700 22px/1.3 var(--font-display); }
.pt-featured-firm p { color: var(--ink-3); line-height: 1.7; }
.pt-firms { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.pt-firm { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 14px; align-items: center; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.pt-firm:hover { border-color: var(--main-line); }
.pt-firm__logo { display: grid; place-items: center; aspect-ratio: 1; border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; color: var(--ink-4); font-size: 26px; }
.pt-firm__logo img { width: 100%; height: 100%; object-fit: contain; }
.pt-firm__body { display: grid; gap: 3px; }
.pt-firm strong { color: var(--ink); font-size: 15px; }
.pt-firm small { display: inline-flex; align-items: center; gap: 4px; color: var(--ink-3); font-size: 12.5px; }
.pt-firm-detail__logo { display: block; width: 140px; aspect-ratio: 1; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.pt-firm-detail__logo img { width: 100%; height: 100%; object-fit: contain; }
.pt-join-panel { display: grid; gap: 14px; justify-items: start; }
.pt-join-panel h2 { font: 700 20px/1.3 var(--font-display); }
.pt-join-panel p { color: var(--ink-3); }

/* ---------- 关于我们 ---------- */
.pt-about-hero { background: linear-gradient(180deg, var(--mist), #fff); border-bottom: 1px solid var(--line); }
.pt-about-hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 56px; align-items: center; padding: 28px 0 64px; }
.pt-about-hero h1 { margin: 16px 0 20px; color: var(--ink); font: 700 clamp(30px, 3.4vw, 48px)/1.12 var(--font-display); letter-spacing: -.025em; }
.pt-about-hero .pt-prose { font-size: 16px; }
.pt-about-hero .pt-product__actions { margin-top: 28px; }
.pt-about-hero__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 10px; box-shadow: 0 0 0 1px var(--line), 0 30px 60px -36px rgba(13, 34, 54, .5); }
.pt-anchors { position: sticky; top: var(--anchors-top, 0); z-index: 20; background: #fff; border-bottom: 1px solid var(--line); }
.pt-anchors .pt-wrap { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.pt-anchors a { padding: 14px 16px; color: var(--ink-3); font-weight: 600; font-size: 14px; white-space: nowrap; border-bottom: 2px solid transparent; }
.pt-anchors a:hover { color: var(--main); border-bottom-color: var(--main); }
.pt-mv { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-bottom: 40px; }
.pt-mv article { padding: 26px; border-radius: var(--radius-lg); background: var(--mist); }
.pt-mv h3 { margin-bottom: 10px; color: var(--accent); font: 700 14px/1.3 var(--font-display); letter-spacing: .06em; text-transform: uppercase; }
html[lang^='zh'] .pt-mv h3, html[lang='ja'] .pt-mv h3, html[lang='ko'] .pt-mv h3 { text-transform: none; font-size: 15px; }
.pt-mv p { color: var(--ink-2); line-height: 1.75; }
.pt-recog { margin-bottom: 40px; }
.pt-recog h3, .pt-about-sectors h3, .pt-quality h3 { margin-bottom: 16px; font: 700 19px/1.3 var(--font-display); color: var(--ink); }
.pt-recog ul { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.pt-recog li { display: flex; gap: 12px; align-items: center; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius-lg); font-weight: 500; color: var(--ink-2); }
.pt-recog .pt-ico { color: var(--accent); font-size: 22px; }
.pt-about-sectors > div { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.pt-about-sectors a { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; }
.pt-about-sectors a:hover { border-color: var(--main-line); }
.pt-about-sectors a > span { grid-row: span 2; display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--radius); background: var(--main-soft); color: var(--main); font-size: 20px; }
.pt-about-sectors strong { color: var(--ink); font-size: 14.5px; }
.pt-about-sectors small { color: var(--ink-3); font-size: 12.5px; line-height: 1.5; }
.pt-quality { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: start; }
.pt-quality .pt-checks { margin-top: 18px; }
.pt-panel .pt-table + .pt-checks { margin-top: 18px; }
.pt-contact { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 56px; align-items: start; }
.pt-contact h2 { margin: 12px 0 24px; font: 700 clamp(26px, 2.6vw, 34px)/1.2 var(--font-display); letter-spacing: -.02em; }
.pt-contact-cards { display: grid; gap: 12px; }
.pt-contact-cards li { display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.pt-contact-cards li > .pt-ico { width: 38px; height: 38px; padding: 9px; border-radius: 50%; background: var(--main-soft); color: var(--main); }
.pt-contact-cards small { display: block; color: var(--ink-4); font-size: 12.5px; }
.pt-contact-cards a, .pt-contact-cards span { color: var(--ink); font-weight: 600; word-break: break-word; }
.pt-contact-cards a:hover { color: var(--main); }

/* ---------- 视频 ---------- */
/* 产品与类目页的内嵌视频：按视频本身比例显示，旁边是进入短视频频道的入口。 */
.pt-video { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: end; gap: 24px; margin: 24px auto; width: min(100% - 2 * var(--gutter), var(--wrap)); }
.pt-layout .pt-video { width: 100%; margin: 0; }
.pt-video video { display: block; width: auto; max-width: min(100%, 760px); height: 420px; border-radius: var(--radius-lg); background: #000; object-fit: contain; }
.pt-video figcaption { display: grid; justify-items: start; gap: 12px; padding-bottom: 4px; }
.pt-video figcaption strong { font: 700 18px/1.3 var(--font-display); color: var(--ink); }
.pt-video figcaption .pt-btn { gap: 6px; }
@media (max-width: 720px) {
  .pt-video { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .pt-video video { width: 100%; height: auto; max-height: 70vh; }
  .pt-video figcaption { grid-template-columns: minmax(0, 1fr) auto; align-items: center; justify-items: stretch; }
}
.pt-video-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-bottom: 32px; }
.pt-video-card { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.pt-video-card video { width: 100%; aspect-ratio: 16 / 9; background: #000; }
.pt-video-card__body { display: grid; gap: 6px; padding: 14px 16px; }
.pt-video-card small { color: var(--accent); font-weight: 600; font-size: 12px; }
.pt-video-card h2 { font: 600 15.5px/1.4 var(--font-display); }
.pt-video-empty { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 20px; align-items: center; margin-bottom: 16px; }
.pt-video-empty > .pt-ico { font-size: 36px; color: var(--main); }
.pt-video-empty h2 { font: 700 18px/1.3 var(--font-display); }
.pt-video-empty p { color: var(--ink-3); margin-top: 4px; }

/* ---------- 短视频频道：深色沉浸式，上下切换；桌面右侧为产品信息与视频列表，手机全屏 ---------- */
body.pt-shorts-on { overflow: hidden; background: #0f0f11; }
body.pt-shorts-on .pt-header, body.pt-shorts-on .pt-foot, body.pt-shorts-on .pt-rail, body.pt-shorts-on .pt-tabbar,
body.pt-shorts-on .ai-float, body.pt-shorts-on .mobile-service-sheet { display: none !important; }
body.pt-shorts-on .pt-main { min-height: 0; padding: 0; }
.pt-shorts { position: fixed; inset: 0; z-index: 90; display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: 60px minmax(0, 1fr); background: #0f0f11; color: #fff; -webkit-tap-highlight-color: transparent; }
.pt-shorts a { color: inherit; text-decoration: none; }
.pt-shorts button { font: inherit; }
.pt-shorts :focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.pt-shorts__top { display: flex; align-items: center; gap: 18px; min-width: 0; padding: 0 20px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.pt-shorts__back { display: inline-flex; flex: none; align-items: center; gap: 4px; min-height: 40px; padding: 0 14px 0 8px; border-radius: 999px; color: rgba(255, 255, 255, .82); font-size: 14px; }
.pt-shorts__back .pt-ico { font-size: 20px; }
.pt-shorts__back:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.pt-shorts__brand { display: inline-flex; flex: none; align-items: center; gap: 8px; max-width: 280px; font: 700 16px/1 var(--font-display); }
.pt-shorts__brand > span { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.pt-shorts__brand small { flex: none; padding: 4px 7px; border-radius: 4px; background: var(--accent); font: 600 12px/1 var(--font-sans); }
.pt-shorts__tabs { display: flex; flex: 1; gap: 2px; min-width: 0; overflow-x: auto; scrollbar-width: none; }
.pt-shorts__tabs::-webkit-scrollbar { display: none; }
/* 居中但溢出时从第一个页签开始，不截掉左侧 */
.pt-shorts__tabs > :first-child { margin-left: auto; }
.pt-shorts__tabs > :last-child { margin-right: auto; }
.pt-shorts__tabs > * { position: relative; flex: none; padding: 10px 14px; color: rgba(255, 255, 255, .6); font-size: 15px; font-weight: 600; white-space: nowrap; transition: color .15s; }
.pt-shorts__tabs a:hover, .pt-shorts__tabs .is-on { color: #fff; }
.pt-shorts__tabs .is-on::after { content: ''; position: absolute; left: 50%; bottom: 3px; width: 20px; height: 3px; margin-left: -10px; border-radius: 2px; background: #fff; }
.pt-shorts__tools { display: flex; flex: none; align-items: center; gap: 10px; }
.pt-shorts__list-btn { display: none; }
.pt-shorts__ask { min-height: 36px; border-radius: 999px; }
.pt-shorts__body { display: grid; grid-template-columns: minmax(0, 1fr) 372px; min-height: 0; }
.pt-shorts__stage { position: relative; min-width: 0; min-height: 0; }
.pt-shorts__feed { position: relative; height: 100%; overflow-y: auto; overscroll-behavior: contain; scroll-snap-type: y mandatory; scrollbar-width: none; outline: none; }
.pt-shorts__feed::-webkit-scrollbar { display: none; }
.pt-short { position: relative; height: 100%; overflow: hidden; background: #000; scroll-snap-align: start; scroll-snap-stop: always; }
.pt-short__backdrop { position: absolute; inset: -60px; background: center / cover no-repeat; filter: blur(40px) brightness(.42) saturate(1.15); }
.pt-short__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.pt-short:not(.pt-short--end)::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; z-index: 1; height: 46%; background: linear-gradient(transparent, rgba(0, 0, 0, .62)); pointer-events: none; }
.pt-short__tap { position: absolute; inset: 0; z-index: 1; width: 100%; border: 0; background: transparent; cursor: pointer; }
.pt-short__state { position: absolute; left: 50%; top: 50%; z-index: 2; display: grid; place-items: center; width: 72px; height: 72px; margin: -36px 0 0 -36px; border-radius: 50%; background: rgba(0, 0, 0, .4); font-size: 34px; opacity: 0; transform: scale(1.25); transition: opacity .18s ease, transform .18s ease; pointer-events: none; }
.pt-short__state .pt-ico { fill: rgba(255, 255, 255, .94); stroke: none; margin-left: 4px; }
.pt-short.is-paused .pt-short__state { opacity: 1; transform: none; }
.pt-short__spin { position: absolute; left: 50%; top: 50%; z-index: 2; width: 36px; height: 36px; margin: -18px 0 0 -18px; border: 3px solid rgba(255, 255, 255, .25); border-top-color: #fff; border-radius: 50%; opacity: 0; pointer-events: none; }
.pt-short.is-loading:not(.is-paused) .pt-short__spin { opacity: 1; animation: pt-shorts-spin .8s linear infinite; }
@keyframes pt-shorts-spin { to { transform: rotate(360deg); } }
.pt-short__error { position: absolute; left: 50%; top: 50%; z-index: 2; display: none; padding: 8px 14px; border-radius: 6px; background: rgba(0, 0, 0, .6); font-size: 14px; transform: translate(-50%, -50%); pointer-events: none; }
.pt-short.is-broken .pt-short__error { display: block; }
.pt-short.is-broken .pt-short__state { display: none; }
.pt-short__rail { position: absolute; right: 84px; bottom: 96px; z-index: 3; display: grid; justify-items: center; gap: 16px; }
.pt-short__rail > button, .pt-short__rail > a:not(.pt-short__avatar) { display: grid; justify-items: center; gap: 5px; min-width: 52px; padding: 0; border: 0; background: none; color: #fff; font-size: 12px; font-weight: 600; cursor: pointer; text-shadow: 0 0 2px rgba(0, 0, 0, .6), 0 1px 4px rgba(0, 0, 0, .7); }
.pt-short__ico { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: rgba(0, 0, 0, .34); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14); font-size: 23px; transition: background .15s, transform .15s; }
.pt-short__rail > :hover .pt-short__ico { background: rgba(0, 0, 0, .55); }
.pt-short__rail > :active .pt-short__ico { transform: scale(.92); }
.pt-short__avatar { display: block; width: 50px; height: 50px; margin-bottom: 4px; overflow: hidden; border: 2px solid #fff; border-radius: 50%; background: #fff; }
.pt-short__avatar img { width: 100%; height: 100%; object-fit: contain; padding: 4px; }
.pt-short__avatar span { display: grid; place-items: center; height: 100%; background: var(--main); font: 700 20px/1 var(--font-display); }
.pt-short__meta { position: absolute; left: 0; right: 150px; bottom: 0; z-index: 2; display: grid; justify-items: start; gap: 8px; padding: 0 28px 30px; text-shadow: 0 1px 3px rgba(0, 0, 0, .55); pointer-events: none; }
.pt-short__meta a { pointer-events: auto; }
.pt-short__author { font-size: 16px; font-weight: 700; }
.pt-short__title { max-width: 620px; font: 600 16px/1.5 var(--font-sans); }
.pt-short__title span { font-weight: 500; opacity: .82; }
.pt-short__tags { display: flex; flex-wrap: wrap; gap: 4px 12px; max-width: 620px; color: rgba(255, 255, 255, .86); font-size: 13px; }
.pt-short__tags a { font-weight: 700; }
.pt-short__goods { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto; align-items: center; gap: 10px; width: min(380px, 100%); margin-top: 4px; padding: 6px 6px 6px 6px; border-radius: 8px; background: rgba(255, 255, 255, .95); color: var(--ink) !important; text-shadow: none; }
.pt-short__goods-pic { width: 44px; height: 44px; overflow: hidden; border-radius: 5px; background: var(--mist); }
.pt-short__goods-pic img { width: 100%; height: 100%; object-fit: cover; }
.pt-short__goods-pic .pt-noimg { display: grid; place-items: center; height: 100%; color: var(--ink-4); }
.pt-short__goods-text { display: grid; gap: 2px; min-width: 0; }
.pt-short__goods-text strong { overflow: hidden; font-size: 13px; white-space: nowrap; text-overflow: ellipsis; }
.pt-short__goods-text .pt-price { font-size: 13px; }
.pt-short__goods-go { padding: 7px 12px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 600; white-space: nowrap; }
.pt-short__bar { position: absolute; left: 0; right: 0; bottom: 0; z-index: 4; display: flex; align-items: flex-end; height: 16px; cursor: pointer; touch-action: none; }
.pt-short__bar::before { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(255, 255, 255, .22); transition: height .12s; }
.pt-short__bar span { position: relative; width: 100%; height: 2px; background: rgba(255, 255, 255, .9); transform: scaleX(0); transform-origin: left; transition: height .12s; }
.pt-short__bar:hover::before, .pt-short__bar:hover span, .pt-short__bar.is-drag::before, .pt-short__bar.is-drag span { height: 4px; }
.pt-short--end { display: grid; place-items: center; background: radial-gradient(circle at 50% 40%, #232328, #0f0f11 70%); }
.pt-short__end { display: grid; justify-items: center; gap: 10px; max-width: 420px; padding: 24px; text-align: center; }
.pt-short__end-ico { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: rgba(255, 255, 255, .1); font-size: 26px; }
.pt-short__end h2 { font: 700 22px/1.3 var(--font-display); }
.pt-short__end p { color: rgba(255, 255, 255, .66); }
.pt-short__end div { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 10px; }
html .pt-shorts .pt-btn.pt-btn--ghost { border-color: rgba(255, 255, 255, .32); background: transparent; color: #fff; }
html .pt-shorts .pt-btn.pt-btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .08); color: #fff; }
.pt-shorts__unmute { position: absolute; left: 50%; top: 18px; z-index: 5; display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border: 0; border-radius: 999px; background: rgba(0, 0, 0, .5); color: #fff; font-size: 13px; cursor: pointer; transform: translateX(-50%); }
.pt-shorts__unmute .pt-ico { font-size: 17px; }
.pt-shorts:not(.is-muted) .pt-shorts__unmute, .pt-shorts.is-heard .pt-shorts__unmute, .pt-shorts.is-end .pt-shorts__unmute { display: none; }
.pt-shorts__hint { position: absolute; left: 50%; top: 44%; z-index: 5; display: none; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px; background: rgba(0, 0, 0, .5); font-size: 13px; white-space: nowrap; transform: translateX(-50%); pointer-events: none; transition: opacity .3s; }
.pt-shorts__hint .pt-ico { animation: pt-shorts-nudge 1.4s ease-in-out infinite; }
.pt-shorts__hint.is-gone { opacity: 0; }
@keyframes pt-shorts-nudge { 50% { transform: translateY(-4px); } }
.pt-shorts__nav { position: absolute; right: 20px; top: 50%; z-index: 5; display: grid; gap: 12px; transform: translateY(-50%); }
.pt-shorts__nav button { display: grid; place-items: center; width: 42px; height: 42px; border: 0; border-radius: 50%; background: rgba(0, 0, 0, .34); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14); color: #fff; font-size: 20px; cursor: pointer; transition: background .15s; }
.pt-shorts__nav button:hover:not(:disabled) { background: rgba(0, 0, 0, .55); }
.pt-shorts__nav button:disabled { opacity: .28; cursor: default; }
.pt-shorts__scrim { display: none; }
.pt-shorts__side { display: grid; grid-template-rows: auto minmax(0, 1fr); min-height: 0; border-left: 1px solid rgba(255, 255, 255, .08); background: #17171a; }
.pt-shorts__info { padding: 20px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.pt-shorts__card { display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 12px 14px; align-items: start; }
.pt-shorts__card-pic { display: block; aspect-ratio: 1; overflow: hidden; border-radius: 6px; background: #fff; }
.pt-shorts__card-pic img { width: 100%; height: 100%; object-fit: cover; }
.pt-shorts__card-body { display: grid; gap: 5px; min-width: 0; }
.pt-shorts__card-body:only-child, .pt-shorts__card > :not(.pt-shorts__card-pic):not(.pt-shorts__card-body) { grid-column: 1 / -1; }
.pt-shorts__card-body small { color: rgba(255, 255, 255, .55); font-size: 12px; }
.pt-shorts__card-body h2 { font: 700 17px/1.35 var(--font-display); }
.pt-shorts__card-spec { color: rgba(255, 255, 255, .72); font-size: 13px; }
.pt-shorts__card .pt-price { color: #fff; font-size: 18px; }
.pt-shorts__card .pt-price--ask { color: #ffd38a; font-size: 13px; }
.pt-shorts__card-specs { display: grid; gap: 0; border-top: 1px solid rgba(255, 255, 255, .08); font-size: 13px; }
.pt-shorts__card-specs div { display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 10px; padding: 7px 0; border-bottom: 1px solid rgba(255, 255, 255, .06); }
.pt-shorts__card-specs dt { color: rgba(255, 255, 255, .5); }
.pt-shorts__card-note { color: rgba(255, 255, 255, .72); font-size: 13px; line-height: 1.6; }
.pt-shorts__card-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pt-shorts__card-actions .pt-btn { min-height: 40px; padding: 0 12px; }
.pt-shorts__more { display: grid; grid-template-rows: auto minmax(0, 1fr); min-height: 0; }
.pt-shorts__more h2 { display: flex; align-items: center; gap: 8px; padding: 16px 20px 12px; font-size: 15px; font-weight: 700; }
.pt-shorts__more h2 small { color: rgba(255, 255, 255, .5); font-size: 13px; font-weight: 500; }
.pt-shorts__close { display: none; }
.pt-shorts__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; align-content: start; min-height: 0; padding: 0 20px 20px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: rgba(255, 255, 255, .2) transparent; }
.pt-shorts__thumb { position: relative; display: block; height: 0; overflow: hidden; padding: 0 0 133.33%; border: 0; border-radius: 5px; background: #2a2a2f; color: #fff; text-align: left; cursor: pointer; }
.pt-shorts__thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .25s ease; }
.pt-shorts__thumb:hover img { transform: scale(1.05); }
.pt-shorts__thumb::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 55%; background: linear-gradient(transparent, rgba(0, 0, 0, .75)); pointer-events: none; }
.pt-shorts__thumb span { position: absolute; left: 6px; right: 6px; bottom: 6px; z-index: 1; display: -webkit-box; overflow: hidden; font-size: 12px; line-height: 1.35; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.pt-shorts__thumb em { position: absolute; left: 6px; top: 6px; z-index: 1; display: none; padding: 2px 6px; border-radius: 3px; background: var(--accent); font-size: 11px; font-style: normal; font-weight: 600; }
.pt-shorts__thumb.is-on { box-shadow: inset 0 0 0 2px #fff; }
.pt-shorts__thumb.is-on em { display: block; }
@media (max-width: 1280px) { .pt-shorts__body { grid-template-columns: minmax(0, 1fr) 320px; } .pt-shorts__brand { display: none; } }
@media (max-width: 1024px) {
  .pt-shorts { grid-template-rows: minmax(0, 1fr); background: #000; }
  .pt-shorts__top { position: absolute; left: 0; right: 0; top: 0; z-index: 6; gap: 4px; padding: calc(env(safe-area-inset-top) + 6px) 6px 14px; border: 0; background: linear-gradient(rgba(0, 0, 0, .42), transparent); pointer-events: none; }
  .pt-shorts__top > * { pointer-events: auto; }
  .pt-shorts__back { padding: 0 8px; }
  .pt-shorts__back span, .pt-shorts__brand, .pt-shorts__ask { display: none; }
  .pt-shorts__back .pt-ico { font-size: 24px; }
  .pt-shorts__tabs > * { padding: 10px 11px; font-size: 16px; text-shadow: 0 1px 2px rgba(0, 0, 0, .4); }
  .pt-shorts__list-btn { display: grid; place-items: center; width: 40px; height: 40px; padding: 0; border: 0; background: none; color: #fff; font-size: 22px; cursor: pointer; }
  .pt-shorts__body { grid-template-columns: minmax(0, 1fr); }
  .pt-shorts__nav { display: none; }
  .pt-shorts__unmute { top: calc(env(safe-area-inset-top) + 64px); }
  .pt-shorts__hint { display: inline-flex; }
  .pt-short__tags span:nth-of-type(n+3) { display: none; }
  .pt-short.is-portrait .pt-short__video { object-fit: cover; }
  .pt-short__rail { right: 8px; bottom: calc(env(safe-area-inset-bottom) + 130px); gap: 14px; }
  .pt-short__ico { width: 44px; height: 44px; background: none; box-shadow: none; font-size: 30px; filter: drop-shadow(0 1px 2px rgba(0, 0, 0, .55)); }
  .pt-short__rail > :hover .pt-short__ico { background: none; }
  .pt-short__avatar { width: 46px; height: 46px; }
  .pt-short__meta { right: 72px; gap: 6px; padding: 0 14px calc(env(safe-area-inset-bottom) + 20px); }
  .pt-short__title { font-size: 15px; }
  .pt-short__goods { width: min(330px, 100%); }
  .pt-shorts__scrim { position: absolute; inset: 0; z-index: 7; display: block; background: rgba(0, 0, 0, .45); opacity: 0; pointer-events: none; transition: opacity .2s; }
  .pt-shorts.is-sheet .pt-shorts__scrim { opacity: 1; pointer-events: auto; }
  .pt-shorts__side { position: absolute; left: 0; right: 0; bottom: 0; z-index: 8; grid-template-rows: minmax(0, 1fr); max-height: 72%; padding-bottom: env(safe-area-inset-bottom); border: 0; border-radius: 14px 14px 0 0; visibility: hidden; transform: translateY(100%); transition: transform .25s ease, visibility 0s linear .25s; }
  .pt-shorts.is-sheet .pt-shorts__side { visibility: visible; transform: none; transition: transform .25s ease; }
  .pt-shorts__info { display: none; }
  .pt-shorts__close { display: grid; place-items: center; width: 36px; height: 36px; margin-left: auto; padding: 0; border: 0; border-radius: 50%; background: rgba(255, 255, 255, .08); color: #fff; font-size: 18px; cursor: pointer; }
  .pt-shorts__grid { padding: 0 14px 16px; }
}
@media (max-width: 420px) { .pt-shorts__tabs { justify-content: flex-start; } .pt-short__goods-go { display: none; } .pt-short__goods { grid-template-columns: 44px minmax(0, 1fr); } }
@media (prefers-reduced-motion: reduce) {
  .pt-shorts__hint .pt-ico, .pt-short.is-loading .pt-short__spin { animation: none; }
  .pt-shorts__side, .pt-short__state, .pt-shorts__thumb img { transition: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .pt-menu > a.pt-menu__item, .pt-menu__trigger { padding: 0 9px; font-size: 14px; }
  .pt-logo__sub { display: none; }
  .pt-portal__grid { grid-template-columns: 200px minmax(0, 1fr) 248px; }
  .pt-hub { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .pt-hub .pt-rank { grid-column: 1 / -1; }
  .pt-foot__top { grid-template-columns: 1.4fr 1fr 1fr; }
  .pt-foot__top .pt-foot__col:nth-child(n+4) { display: none; }
}
@media (max-width: 1024px) {
  :root { --gutter: 20px; }
  .pt-menu { display: none; }
  .pt-burger { display: inline-grid; }
  .pt-mast__inner { grid-template-columns: auto minmax(0, 1fr); gap: 24px; }
  .pt-mast__side { display: none; }
  .pt-channel__all { display: none; }
  .pt-portal__grid { grid-template-columns: minmax(0, 1fr) 260px; }
  .pt-catnav { display: none; }
  .pt-channels { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .pt-channels a:nth-child(5) { border-left: 0; }
  .pt-channels a:nth-child(n+5) { border-top: 1px solid var(--line-2); }
  .pt-about-hero__grid, .pt-product, .pt-contact, .pt-quality { grid-template-columns: 1fr; }
  .pt-sec__head { grid-template-columns: 1fr; gap: 14px; }
  .pt-markets { grid-template-columns: 1fr; }
  .pt-market, .pt-market:first-child { padding: 20px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .pt-prods, .pt-prods--4, .pt-prods--floor, .pt-prods--direct { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pt-prods--list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pt-figures__grid, .pt-figures__grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pt-layout, .pt-layout--side-left, .pt-layout--article { grid-template-columns: 1fr; }
  .pt-layout--side-left .pt-layout__side { order: 0; }
  .pt-layout__side { position: static; }
  .pt-sd { grid-template-columns: 1fr 1fr; }
  .pt-sd__cta { grid-column: 1 / -1; }
  .pt-floor__body { grid-template-columns: 1fr; }
  .pt-floor__lead { display: none; }
  .pt-fairgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pt-firmshow, .pt-firmshow__main, .pt-featured-firm { grid-template-columns: 1fr; }
  .pt-mv, .pt-block-custom--list .pt-checks { grid-template-columns: 1fr; }
  .pt-cta__inner { flex-direction: column; align-items: flex-start; }
  .pt-sec { padding: 64px 0; }
  .pt-adband__slot { grid-template-columns: auto 1fr; padding: 18px 20px; gap: 10px 16px; }
  .pt-adband__slot > span:not(.pt-adband__label), .pt-adband__slot em { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  :root { --gutter: 16px; --header-h: 60px; }
  body.pt-site { font-size: 15px; padding-bottom: calc(60px + env(safe-area-inset-bottom)); }
  html[data-portal-layout='platform'] body.pt-site { font-size: 14px; }
  .pt-logo__img { height: 36px; max-width: 120px; }
  .pt-logo__name { font-size: 16px; }
  .pt-topbar__welcome { display: none; }
  .pt-topbar .pt-wrap { justify-content: flex-end; }
  .pt-topbar [data-user] { display: inline-flex; min-width: 0; }
  .pt-topbar [data-user] a span { max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .pt-btn, .pt-btn--sm, .pt-drawer summary, .pt-drawer__body a, .pt-tabbar > * { min-height: 44px; }
  .pt-field input, .pt-field textarea, .pt-field select, .pt-bigsearch__box input { font-size: 16px; }
  .pt-topbar__links > button, .pt-topbar__links > a { display: none; }
  .pt-mast__inner { grid-template-columns: 1fr; gap: 14px; padding: 14px 0; }
  .pt-mast .pt-logo__img { height: 40px; }
  .pt-mast .pt-logo { max-width: 100%; }
  .pt-mast .pt-logo__name { font-size: 19px; white-space: normal; }
  .pt-bigsearch { min-width: 0; }
  .pt-bigsearch__tabs { overflow-x: auto; scrollbar-width: none; }
  .pt-bigsearch__tabs::-webkit-scrollbar { display: none; }
  .pt-bigsearch__tabs span { padding: 5px 12px; white-space: nowrap; }
  .pt-bigsearch__box button { padding: 0 16px; }
  .pt-bigsearch__hot { display: none; }
  .pt-channel__links a { padding: 0 12px; font-size: 14px; }
  .pt-rail { display: none; }
  .pt-tabbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding-bottom: env(safe-area-inset-bottom); border-top: 1px solid var(--line); background: rgba(255, 255, 255, .98); backdrop-filter: blur(8px); }
  body.pt-ai-tab .pt-tabbar { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .pt-tabbar > * span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  /* 德语等长单词在窄屏上允许断词，避免把页面撑宽。 */
  .pt-main, .pt-foot { overflow-wrap: anywhere; hyphens: auto; }
  .pt-plsec__head { flex-wrap: wrap; }
  .pt-plsec__head h2 { flex: 0 1 auto; min-width: 0; }
  .pt-tabbar > * { display: grid; justify-items: center; gap: 2px; padding: 8px 2px 7px; color: var(--ink-3); font-size: 11px; }
  .pt-tabbar .pt-ico { font-size: 21px; }
  .pt-tabbar [aria-current] { color: var(--main); }
  .pt-tabbar__main { color: var(--main) !important; font-weight: 600; }
  .pt-tabbar__main .pt-ico { width: 34px; height: 34px; margin-top: -16px; padding: 7px; border-radius: 50%; background: var(--main); color: #fff; box-shadow: 0 6px 14px -6px var(--main); }
  .pt-tabbar__ai { display: none !important; }
  body.pt-ai-tab .pt-tabbar__ai { display: grid !important; }
  .ai-float { display: none !important; }
  .ai-panel { bottom: calc(70px + env(safe-area-inset-bottom)) !important; }
  .pt-sec { padding: 52px 0; }
  .pt-sec--tight { padding: 40px 0; }
  .pt-sec__head { flex-direction: column; align-items: flex-start; gap: 14px; margin-bottom: 26px; }
  .pt-sec__head p { font-size: 15px; }
  .pt-figures__grid, .pt-figures__grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 20px; padding: 28px 0; }
  .pt-fair-table thead { display: none; }
  .pt-fair-table tr { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .pt-fair-table tbody th, .pt-fair-table tbody td { padding: 0; border: 0; }
  .pt-fair-table td:nth-child(3) { grid-column: 1 / -1; }
  .pt-prods, .pt-prods--4, .pt-prods--list, .pt-prods--floor, .pt-prods--direct { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .pt-prod__body { padding: 12px; }
  .pt-prod__name { font-size: 14px; }
  .pt-prod__chips { display: none; }
  .pt-process { grid-template-columns: 1fr; }
  .pt-panel--pad { padding: 20px; }
  .pt-form__row { grid-template-columns: 1fr; }
  .pt-portal { padding: 10px 0; }
  .pt-portal__grid { grid-template-columns: 1fr; }
  .pt-slider { min-height: 240px; }
  .pt-slider__slide::after { background: linear-gradient(0deg, rgba(9, 18, 30, .9) 0%, rgba(9, 18, 30, .6) 50%, rgba(9, 18, 30, .2) 100%); }
  .pt-slider__cap { left: 18px; bottom: 34px; max-width: calc(100% - 36px); }
  .pt-slider__cap span { display: none; }
  .pt-slider__dots { left: 18px; bottom: 14px; }
  .pt-portal__side { grid-template-columns: 1fr; }
  .pt-noticebox { display: none; }
  .pt-channels { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .pt-channels a { padding: 12px 2px; }
  .pt-channels__ico { width: 40px; height: 40px; font-size: 19px; }
  .pt-channels strong { font-size: 12.5px; }
  .pt-channels small { display: none; }
  .pt-hub { grid-template-columns: minmax(0, 1fr); }
  .pt-hub__focus { display: none; }
  .pt-plsec { padding: 0 14px 14px; }
  .pt-plsec__head { gap: 10px; }
  .pt-plsec__head nav { display: none; }
  .pt-plsec__head .pt-link { margin-left: auto; }
  .pt-sd { grid-template-columns: 1fr; }
  .pt-fairgrid { grid-template-columns: 1fr; }
  .pt-adband__slot strong { font-size: 15px; }
  .pt-foot__top { grid-template-columns: 1fr 1fr; gap: 28px 20px; padding: 40px 0 28px; }
  .pt-foot__brand { grid-column: 1 / -1; }
  .pt-foot__top .pt-foot__col:nth-child(n+4) { display: block; }
  .pt-pagehead__row { flex-direction: column; align-items: flex-start; padding-bottom: 24px; }
  .pt-layout { padding-top: 20px; gap: 20px; }
  .pt-product { gap: 24px; padding-top: 12px; }
  .pt-spec > div { grid-template-columns: 120px minmax(0, 1fr); gap: 10px; }
  .pt-product__actions .pt-btn { flex: 1 1 auto; }
  .pt-article-card, .pt-article-card--lead { grid-template-columns: 1fr; gap: 14px; }
  .pt-article-card--lead strong { font-size: 21px; }
  .pt-prose--article { font-size: 16px; }
  .pt-article__cta { grid-template-columns: 1fr; }
  .pt-article__nav { grid-template-columns: 1fr; }
  .pt-listing { grid-template-columns: 64px minmax(0, 1fr); padding: 14px; gap: 14px; }
  .pt-listing__act { grid-column: 1 / -1; grid-template-columns: 1fr 1fr; }
  .pt-firms { grid-template-columns: 1fr; }
  .pt-video-grid { grid-template-columns: 1fr; }
  .pt-video-empty { grid-template-columns: 1fr; }
  .pt-toolbar { flex-wrap: wrap; }
  .pt-segment { overflow-x: auto; max-width: 100%; }
  .pt-cta__actions { flex-wrap: wrap; }
}
/* ---------- 品牌门户首页 · 响应式 ---------- */
@media (max-width: 1180px) {
  .pt-menu > a.pt-menu__item, .pt-menu__trigger { padding: 0 10px; font-size: 14.5px; }
  .pt-cbar__inner { gap: 16px; }
  .pt-cnews { grid-template-columns: minmax(0, 1fr); }
  .pt-cquote__inner { grid-template-columns: minmax(0, 1fr); gap: 20px; }
}
@media (max-width: 1024px) {
  .pt-cbar .pt-menu { display: none; }
  .pt-cbar .pt-burger { display: inline-grid; }
  .pt-cbar__tools { margin-left: auto; }
  .pt-chero__media { width: 52%; }
  .pt-chero__facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pt-chero__facts > div:nth-child(3) { border-left: 0; }
  .pt-chero__facts > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .pt-ctiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pt-bsec .pt-prods--4, .pt-prods--5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pt-prods--5 .pt-prod:nth-child(n+7) { display: none; }
  .pt-bsd__body { grid-template-columns: minmax(0, 1fr); }
  .pt-bfair, .pt-bco { grid-template-columns: minmax(0, 1fr); }
  .pt-bco__media { min-height: 0; aspect-ratio: 16 / 9; }
  .pt-bequip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pt-cquote__form { grid-template-columns: 1fr 1fr; }
  .pt-cquote__form .pt-field:first-child, .pt-cquote__form .pt-field:nth-child(4), .pt-cquote__form .pt-btn { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .pt-cbar__inner { min-height: 60px; gap: 8px; }
  .pt-cbar .pt-logo { flex: 1 1 auto; min-width: 0; }
  .pt-cbar .pt-logo__img { height: 36px; }
  .pt-cbar .pt-logo__name { overflow: hidden; font-size: 16px; text-overflow: ellipsis; }
  .pt-cbar__ask { display: none; }
  .pt-home--brand .pt-bsec { padding: 40px 0; }
  .pt-phead { grid-template-columns: minmax(0, 1fr); margin-bottom: 22px; }
  .pt-phead__more { grid-column: 1; grid-row: auto; justify-self: start; }
  .pt-phead__tabs { grid-row: auto; }
  .pt-chero__media { position: relative; width: 100%; height: 220px; }
  .pt-chero__media .pt-slider__slide::after { background: linear-gradient(0deg, var(--main-ink) 0%, rgba(13, 34, 54, 0) 45%); }
  .pt-chero__media .pt-slider__dots { bottom: 12px; }
  .pt-chero__inner { min-height: 0; padding-bottom: 64px; }
  .pt-chero__copy { max-width: none; padding: 8px 0 0; }
  .pt-chero h1 { font-size: 26px; }
  .pt-chero__lead { font-size: 14.5px; }
  .pt-chero__actions .pt-btn { flex: 1; min-height: 44px; padding: 0 12px; font-size: 14px; }
  .pt-chero__facts > div { padding: 16px; }
  .pt-crecog { justify-content: flex-start; gap: 10px 20px; font-size: 12.5px; }
  .pt-ctiles, .pt-cnews__lead { grid-template-columns: minmax(0, 1fr); }
  /* 手机上应用行业改为左图右文，六个行业不至于占满好几屏。 */
  .pt-ctiles { gap: 10px; }
  .pt-ctile { display: grid; grid-template-columns: 112px minmax(0, 1fr); }
  .pt-ctile__media { aspect-ratio: auto; min-height: 112px; }
  .pt-ctile__media img { padding: 8%; }
  .pt-ctile__ico, .pt-ctile__parts { display: none; }
  .pt-ctile__body { gap: 4px; padding: 12px 14px; }
  .pt-ctile strong { font-size: 16px; }
  .pt-ctile small { font-size: 13px; line-height: 1.55; }
  .pt-bsec .pt-prods--4, .pt-prods--5, .pt-prods--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .pt-prods--5 .pt-prod:nth-child(n+5) { display: none; }
  .pt-cquote__inner { padding: 32px 0; }
  .pt-bequip, .pt-blead, .pt-bsteps, .pt-bmiles { grid-template-columns: minmax(0, 1fr); }
  .pt-bfacts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pt-bfacts > div:nth-child(3) { border-left: 0; }
  .pt-bfacts > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .pt-bsteps li, .pt-bsteps li:first-child { padding: 12px 0; border-left: 0; border-top: 1px dashed var(--line); }
  .pt-bgallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .pt-bgallery a:nth-child(n+7) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print {
  .pt-header, .pt-foot, .pt-rail, .pt-tabbar, .ai-float, .ai-panel { display: none !important; }
}

/* ---------- 2026-10-07 调整：页脚简介、通栏广告位 ---------- */
.pt-foot__brand p { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 8px; }
.pt-foot__more { display: inline-block; margin-bottom: 18px; color: #fff; font-weight: 600; font-size: 13.5px; }
.pt-foot__more:hover { color: #9cc3ec; }
.pt-adband__slot { position: relative; overflow: hidden; min-height: 120px; border: 0; background: linear-gradient(100deg, var(--main-ink) 0%, var(--main-deep) 58%, var(--main) 100%); color: #fff; }
.pt-adband__slot strong { color: #fff; }
.pt-adband__slot > span:not(.pt-adband__label) { color: rgba(255, 255, 255, .75); }
.pt-adband__slot em { position: relative; z-index: 1; padding: 9px 16px; border-radius: var(--radius); background: #fff; color: var(--main-ink); }
.pt-adband__label { position: relative; z-index: 1; background: var(--accent); }
.pt-adband__pic { position: absolute; right: 150px; top: 50%; height: 150%; width: auto; transform: translateY(-50%) rotate(-8deg); opacity: .35; mix-blend-mode: luminosity; pointer-events: none; }
@media (max-width: 720px) { .pt-adband__pic { display: none; } }

/* ---------- 行业平台版首页（D-136）：参照行业门户的密度与配色，主色加橙红点缀 ---------- */
html[data-portal-layout='platform'] { --hot: #ef8a17; --hot-deep: #c96a05; }
html[data-portal-layout='platform'] .pt-channel__links a[aria-current] { background: var(--buy); box-shadow: none; }
.pt-btn--buy { background: var(--buy); border-color: var(--buy); }
.pt-btn--buy:hover { background: #8f1c13; border-color: #8f1c13; }
.pt-home--platform .pt-portal__grid { grid-template-columns: 236px minmax(0, 1fr) 270px; gap: 14px; }
.pt-portal__member { display: grid; gap: 12px; align-content: start; }
.pt-portal__news { display: grid; gap: 12px; align-content: start; min-width: 0; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.pt-portal__top { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; min-width: 0; }
.pt-portal__top > *, .pt-portal__subs > *, .pt-portal__member > * { min-width: 0; }
.pt-home--platform .pt-portal__top .pt-slider { min-height: 264px; }
.pt-home--platform .pt-portal__top .pt-slider__cap { left: 18px; bottom: 30px; max-width: calc(100% - 36px); gap: 6px; }
.pt-home--platform .pt-portal__top .pt-slider__cap strong { font-size: 17px; }
.pt-home--platform .pt-portal__top .pt-slider__dots { left: 18px; bottom: 14px; }
.pt-home--platform .pt-portal__top .pt-slider__slide::after { background: linear-gradient(0deg, rgba(9, 18, 30, .86) 0%, rgba(9, 18, 30, .2) 55%, rgba(9, 18, 30, 0) 100%); }
.pt-portal__tabs .pt-tabs__list--line { margin-bottom: 6px; }
.pt-portal__tabs .pt-tabs__list--line button { min-height: 38px; padding: 0 10px; font-size: 14.5px; }
.pt-portal__tabs .pt-hub__lead strong { color: var(--buy); font-size: 16.5px; font-weight: 700; }
.pt-portal__tabs .pt-hub__lead p { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pt-portal__tabs .pt-list li, .pt-portal__subs .pt-list li { padding: 6px 0; font-size: 13.5px; }
.pt-portal__subs { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; padding-top: 4px; border-top: 1px solid var(--line); }
.pt-portal__subs h3, .pt-col3 h3 { display: flex; align-items: center; gap: 10px; min-height: 40px; font: 700 15px/1.3 var(--font-display); }
.pt-portal__subs h3 .pt-link, .pt-col3 h3 .pt-link { margin-left: auto; font-size: 12.5px; font-weight: 500; }
.pt-portal__subs .pt-board, .pt-col3 .pt-board { border-top: 0; }
.pt-portal__subs .pt-board li a { padding: 6px 0; border-bottom-style: dashed; font-size: 13.5px; }
.pt-sidead { position: relative; display: flex; flex-direction: column; justify-content: space-between; min-height: 230px; padding: 18px; border-radius: var(--radius); overflow: hidden; background: var(--main-ink); color: #fff; }
.pt-sidead img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pt-sidead--slot { background: linear-gradient(160deg, var(--main-ink), var(--main) 130%); }
.pt-sidead--slot small { color: rgba(255, 255, 255, .7); font-size: 12px; }
.pt-sidead--slot strong { color: #f6c34a; font: 800 28px/1.25 var(--font-display); letter-spacing: .04em; }
.pt-sidead--slot em { align-self: flex-start; padding: 6px 14px; border-radius: 2px; background: var(--hot); color: #fff; font-style: normal; font-weight: 600; font-size: 13px; }
.pt-hotbox { display: grid; gap: 8px; justify-items: start; padding: 18px; border-radius: var(--radius); background: var(--hot); color: #fff; }
.pt-hotbox strong { font: 800 21px/1.3 var(--font-display); }
.pt-hotbox button { padding: 7px 18px; border-radius: 18px; background: #fff; color: var(--hot-deep); font-weight: 700; font-size: 14px; }
.pt-hotbox small { margin-top: 4px; font-size: 13px; opacity: .9; }
.pt-hotbox a { font: 800 23px/1.2 var(--font-display); letter-spacing: .02em; font-variant-numeric: tabular-nums; }
.pt-psec { margin-bottom: 18px; }
.pt-sectitle { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 30px 0 16px; }
.pt-sectitle i { display: block; width: 10px; height: 18px; background: var(--main); }
.pt-sectitle i:nth-child(2), .pt-sectitle i:nth-child(4) { background: var(--hot); }
.pt-sectitle span { margin: 0 8px; color: var(--ink); font: 800 26px/1.3 var(--font-display); letter-spacing: .08em; }
.pt-psec__more { display: flex; justify-content: flex-end; margin-top: 10px; font-size: 13px; }
.pt-pfairs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.pt-pfair { display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; transition: box-shadow .2s; }
.pt-pfair:hover { box-shadow: var(--shadow-2); }
.pt-pfair__media { position: relative; display: block; aspect-ratio: 16 / 10; background: var(--main-ink); }
.pt-pfair__media img { width: 100%; height: 100%; object-fit: cover; }
.pt-pfair__date { position: absolute; left: 0; bottom: 0; display: grid; justify-items: center; gap: 2px; min-width: 96px; padding: 8px 10px; background: rgba(15, 76, 138, .92); color: #fff; }
.pt-pfair__date.is-past { background: rgba(90, 102, 117, .92); }
.pt-pfair__date b { font: 800 18px/1.15 var(--font-display); font-variant-numeric: tabular-nums; }
.pt-pfair__date small { font-size: 11.5px; opacity: .9; }
.pt-pfair--plain .pt-pfair__date { inset: 0; place-content: center; background: var(--main); }
.pt-pfair__body { display: grid; gap: 6px; padding: 12px 14px 14px; }
.pt-pfair__body strong { color: var(--ink); font-weight: 700; font-size: 15px; line-height: 1.4; }
.pt-pfair__body small { color: var(--ink-3); font-size: 12.5px; }
.pt-mall { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 14px; align-items: start; }
.pt-mall__main { padding: 0 16px 16px; }
.pt-mall__main .pt-tabs__list--line { overflow-x: auto; scrollbar-width: none; }
.pt-mall__main .pt-tabs__list--line button { white-space: nowrap; }
.pt-mall__main .pt-tabs__list--line button span { margin-left: 4px; color: var(--ink-4); font-size: 12px; }
.pt-prods--mall { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.pt-rank h3 .pt-link { margin-left: auto; font: 500 12.5px/1 var(--font-sans); }
.pt-rank li:nth-child(-n+3) .pt-rank__no { background: var(--hot); }
.pt-scenes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.pt-scene { position: relative; display: flex; flex-direction: column; justify-content: flex-end; aspect-ratio: 4 / 3; border-radius: var(--radius); overflow: hidden; background: var(--main-ink); color: #fff; }
.pt-scene img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.pt-scene:hover img { transform: scale(1.04); }
.pt-scene--product img { object-fit: contain; padding: 8% 8% 34%; background: #fff; }
.pt-scene > span { position: relative; display: grid; gap: 4px; padding: 40px 14px 12px; background: linear-gradient(180deg, rgba(8, 24, 46, 0), rgba(8, 24, 46, .9) 55%); }
.pt-scene strong { font: 700 17px/1.3 var(--font-display); }
.pt-scene small { color: rgba(255, 255, 255, .85); font-size: 12px; line-height: 1.5; }
.pt-scene em { display: inline-flex; align-items: center; gap: 4px; color: #f6c34a; font-style: normal; font-size: 12.5px; font-weight: 600; }
.pt-cols3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.pt-col3 { padding: 2px 16px 12px; }
.pt-col3 h3 { border-bottom: 1px solid var(--line); margin-bottom: 4px; }
.pt-col3 h3 button.pt-link { margin-left: 0; color: var(--buy); }
.pt-col3 .pt-board li a { padding: 8px 0; border-bottom-style: dashed; font-size: 13.5px; }
.pt-rank__list li { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.pt-rank__list li a { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-2); font-size: 13.5px; }
.pt-rank__list li a:hover { color: var(--main); }
.pt-rank__list li:nth-child(-n+3) .pt-rank__no { background: var(--hot); color: #fff; }
.pt-home--platform .pt-adband__slot { border: 0; background: linear-gradient(90deg, #a3160e, var(--buy) 45%, #a3160e); color: #fff; }
.pt-home--platform .pt-adband__slot strong { color: #fff; font-size: 24px; letter-spacing: .06em; }
.pt-home--platform .pt-adband__slot > span:not(.pt-adband__label) { color: rgba(255, 255, 255, .8); }
.pt-home--platform .pt-adband__slot em { color: #f6c34a; }
.pt-home--platform .pt-adband__label { background: rgba(0, 0, 0, .25); }
.pt-home--platform .pt-adband__pic { display: none; }
@media (max-width: 1180px) {
  .pt-home--platform .pt-portal__grid { grid-template-columns: 220px minmax(0, 1fr); }
  .pt-home--platform .pt-portal__side { grid-column: 1 / -1; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .pt-pfairs, .pt-scenes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pt-mall { grid-template-columns: minmax(0, 1fr); }
  .pt-prods--mall { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
  .pt-home--platform .pt-portal__grid { grid-template-columns: minmax(0, 1fr); }
  .pt-portal__member { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .pt-cols3 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}
@media (max-width: 720px) {
  .pt-portal__member, .pt-portal__top, .pt-portal__subs, .pt-home--platform .pt-portal__side, .pt-cols3 { grid-template-columns: minmax(0, 1fr); }
  .pt-portal__news { padding: 12px; }
  .pt-prods--mall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pt-sectitle { margin: 22px 0 12px; }
  .pt-sectitle span { font-size: 21px; }
  .pt-pfairs, .pt-scenes { gap: 10px; }
  .pt-home--platform .pt-adband__slot strong { font-size: 18px; }
}
.pt-scenes[data-count='3'], .pt-scenes[data-count='6'] { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pt-scenes[data-count='5'] { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.pt-plsec--flat { padding-top: 20px; }
.pt-psec__note { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; color: var(--ink-3); font-size: 13px; }
.pt-psec__note .pt-link { margin-left: auto; font-size: 13px; }
.pt-join .pt-link { display: block; margin-top: 10px; font-size: 13px; text-align: center; }
@media (max-width: 1180px) { .pt-scenes[data-count] { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* 首屏三栏等高、商城侧栏补满（Boss 10-13：不要留空） */
.pt-home--platform .pt-portal__grid { align-items: stretch; }
.pt-portal__member { display: flex; flex-direction: column; }
.pt-portal__member .pt-noticebox { flex: 1; }
.pt-portal__trust { display: grid; gap: 2px; padding: 10px 14px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.pt-portal__trust li { display: flex; align-items: center; gap: 8px; padding: 5px 0; color: var(--ink-2); font-size: 13px; }
.pt-portal__trust .pt-ico { flex: none; color: var(--main); font-size: 16px; }
.pt-home--platform .pt-portal__side { display: flex; flex-direction: column; }
.pt-home--platform .pt-portal__side .pt-sidead { flex: 1; }
.pt-sidead--slot { justify-content: center; gap: 12px; text-align: left; }
.pt-sidead--slot small { color: rgba(255, 255, 255, .75); font-size: 13px; letter-spacing: .2em; }
.pt-mall { align-items: stretch; }
.pt-mall__side { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.pt-mall__side .pt-sidead { flex: 1; min-height: 180px; }
.pt-sidead--gold { background: linear-gradient(160deg, #f6a623, var(--hot) 55%, #d9620b); }
.pt-sidead--gold strong { color: #fff; }
.pt-sidead--gold em { background: #fff; color: var(--hot-deep); }
.pt-adband__slot--gold { position: relative; display: flex; justify-content: center; gap: 40px; overflow: hidden; }
.pt-adband__slot--gold::before { content: ''; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 30%, rgba(255, 214, 107, .18) 38%, transparent 46%), linear-gradient(115deg, transparent 58%, rgba(255, 214, 107, .14) 64%, transparent 70%); }
.pt-home--platform .pt-adband__slot--gold strong { position: relative; color: #ffd66b; font-size: 40px; letter-spacing: .18em; text-shadow: 0 2px 0 rgba(0, 0, 0, .18); }
.pt-adband__slot--gold em { position: relative; padding: 6px 16px; border: 1px solid rgba(255, 255, 255, .8); border-radius: 2px; color: #fff; }
/* 服务端给搜索引擎的首屏文字：脚本接管前不露出，只在脚本异常时 3 秒后显示；页头先占位。 */
[data-initial-content] { opacity: 0; animation: pt-initial-reveal 0s 3s forwards; }
@keyframes pt-initial-reveal { to { opacity: 1; } }
#pt-header:empty { min-height: 156px; background: linear-gradient(#f6f7f9 0 34px, #fff 34px calc(100% - 46px), var(--main) calc(100% - 46px)); }
@media (max-width: 1180px) { .pt-mall__side { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
@media (max-width: 720px) {
  .pt-mall__side { grid-template-columns: minmax(0, 1fr); }
  .pt-home--platform .pt-adband__slot--gold { gap: 16px; }
  .pt-home--platform .pt-adband__slot--gold strong { font-size: 22px; letter-spacing: .08em; }
  #pt-header:empty { min-height: 60px; background: #fff; }
}
.pt-mall__main, .pt-mall__side { min-width: 0; }
.pt-portal__member .pt-statbox { flex: none; }

/* 参考行业门户：导航图标、彩色通栏带、大标题英文底纹 */
html[data-portal-layout='platform'] .pt-channel__links a { gap: 6px; padding: 0 14px; font-size: 15px; font-weight: 600; }
html[data-portal-layout='platform'] .pt-channel__links a .pt-ico { font-size: 16px; opacity: .9; }
.pt-sectitle { position: relative; }
.pt-sectitle[data-mark]::after { content: attr(data-mark); position: absolute; left: 50%; top: 58%; transform: translateX(-50%); color: rgba(15, 76, 138, .07); font: 800 30px/1 var(--font-display); letter-spacing: .24em; white-space: nowrap; pointer-events: none; }
.pt-sectitle span, .pt-sectitle i { position: relative; z-index: 1; }
.pt-band { position: relative; margin-top: 46px; padding: 40px 20px 18px; border-radius: 6px; }
.pt-band--blue { background: linear-gradient(135deg, var(--main) 0%, #2f7fd6 100%); }
.pt-band--orange { background: linear-gradient(135deg, #e87c12 0%, #f5a442 100%); }
.pt-band__title { position: absolute; left: 50%; top: -20px; transform: translateX(-50%); padding: 9px 46px; border-radius: 22px 22px 4px 4px; color: #fff; font: 800 21px/1.3 var(--font-display); letter-spacing: .12em; white-space: nowrap; box-shadow: 0 6px 14px -6px rgba(0, 0, 0, .35); }
.pt-band--blue .pt-band__title { background: linear-gradient(180deg, #5aa7ff, #2b78d0); }
.pt-band--orange .pt-band__title { background: linear-gradient(180deg, #ffb24d, #ec7d12); }
.pt-band .pt-pfair { border: 0; }
.pt-band__more { display: flex; justify-content: flex-end; margin-top: 12px; }
.pt-band__more .pt-link { color: #fff; font-size: 13px; }
.pt-badges { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.pt-badges li { display: flex; align-items: center; gap: 12px; min-height: 76px; padding: 14px 18px; border-radius: 4px; background: #fff; color: var(--ink); font-weight: 600; font-size: 14.5px; line-height: 1.45; }
.pt-badges .pt-ico { flex: none; width: 40px; height: 40px; padding: 9px; border-radius: 50%; background: #fff3e6; color: #e87c12; }
@media (max-width: 720px) {
  .pt-band { padding: 34px 12px 12px; }
  .pt-band__title { padding: 7px 28px; font-size: 18px; }
  .pt-sectitle[data-mark]::after { font-size: 22px; }
  html[data-portal-layout='platform'] .pt-channel__links a { padding: 0 10px; font-size: 14px; }
}

/* ===== 行业平台版：参考行业门户的视觉（雅黑、亮蓝导航、方角面板、蓝色半圆小标题、蓝白页脚） ===== */
html[data-portal-layout='platform'] { --font-sans: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', 'Noto Sans SC', Arial, sans-serif; --font-display: var(--font-sans); --radius: 2px; --nav: color-mix(in srgb, var(--main) 42%, #2b8ae6); }
html[data-portal-layout='platform'] body.pt-site { background: #f5f5f5; color: #333; }
html[data-portal-layout='platform'] .pt-channel { background: var(--nav); }
html[data-portal-layout='platform'] .pt-channel__all { background: rgba(0, 0, 0, .14); }
html[data-portal-layout='platform'] .pt-channel__links { flex: 1; justify-content: space-between; }
html[data-portal-layout='platform'] .pt-channel__links a { font-size: 16px; font-weight: 700; padding: 0 12px; }
html[data-portal-layout='platform'] .pt-channel.is-snug .pt-channel__links a { padding: 0 6px; }
html[data-portal-layout='platform'] .pt-channel.is-compact .pt-channel__links a { padding: 0 10px; }
html[data-portal-layout='platform'] .pt-channel__more { font-size: 16px; font-weight: 700; }
html[data-portal-layout='platform'] .pt-channel__more.is-current { background: var(--buy); box-shadow: none; }
html[data-portal-layout='platform'] .pt-channel__links a[aria-current] { background: var(--buy); }
.pt-home--platform .pt-panel, .pt-home--platform .pt-portal__news, .pt-home--platform .pt-userbox, .pt-home--platform .pt-noticebox, .pt-home--platform .pt-statbox, .pt-home--platform .pt-portal__trust { border-color: #e8e8e8; border-radius: 0; }
.pt-userbox { position: relative; }
.pt-userbox__title { grid-column: 1 / -1; margin: -16px -16px 6px; padding: 10px 0; background: linear-gradient(90deg, var(--nav), color-mix(in srgb, var(--nav) 70%, #6fb6ff)); color: #fff; font: 700 17px/1.4 var(--font-sans); text-align: center; }
.pt-portal__tabs .pt-tabs__list--line { margin: -14px -16px 8px 0; padding-left: 4px; background: linear-gradient(180deg, #f3f8ff, #dceaf9); border-bottom: 0; }
.pt-portal__tabs .pt-tabs__list--line button { min-height: 42px; color: #333; font-weight: 700; font-size: 15.5px; }
.pt-portal__tabs .pt-tabs__list--line button.is-on { color: var(--nav); border-bottom-color: var(--nav); background: #fff; }
.pt-portal__subs h3, .pt-col3 h3, .pt-rank h3, .pt-noticebox h3 { position: relative; padding-left: 16px; color: #222; font-size: 16px; }
.pt-portal__subs h3::before, .pt-col3 h3::before, .pt-rank h3::before { content: ''; position: absolute; left: 0; top: 50%; width: 10px; height: 20px; margin-top: -10px; border-radius: 0 10px 10px 0; background: linear-gradient(180deg, #6fb6ff, var(--nav)); }
.pt-rank h3 .pt-ico { display: none; }
.pt-col3 h3 { border-bottom-color: #eee; }
.pt-list a, .pt-board__title, .pt-rank__list li a { color: #444; }
.pt-home--platform .pt-list li { border-bottom: 0; }
.pt-home--platform .pt-portal__tabs .pt-list li a::before, .pt-home--platform .pt-portal__subs .pt-list li a::before { content: '·'; margin-right: 6px; color: var(--nav); font-weight: 700; }
.pt-mcard { display: flex; flex-direction: column; border: 1px solid #ececec; background: #fff; transition: box-shadow .2s, border-color .2s; }
.pt-mcard:hover { border-color: var(--nav); box-shadow: 0 6px 18px -10px rgba(0, 0, 0, .35); }
.pt-mcard__media { display: grid; place-items: center; aspect-ratio: 1; padding: 10px; background: #fff; color: #bbb; font-size: 40px; }
.pt-mcard__media img { width: 100%; height: 100%; object-fit: contain; }
.pt-mcard__name { display: grid; gap: 2px; padding: 8px 12px 0; color: #333; font-size: 14px; line-height: 1.45; text-align: center; }
.pt-mcard__name span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pt-mcard__name small { color: #888; font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pt-mcard__name:hover { color: var(--nav); }
.pt-mcard__btns { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 10px 12px 12px; }
.pt-mcard__btns > * { display: inline-flex; align-items: center; justify-content: center; gap: 4px; min-height: 30px; border-radius: 2px; font-size: 12.5px; font-weight: 700; overflow: hidden; white-space: nowrap; }
.pt-mcard__tag { border: 1px solid #fbd3a5; background: #fff8ef; color: #e0700f; }
.pt-mcard__tag span { overflow: hidden; text-overflow: ellipsis; }
.pt-mcard__btns button { background: var(--buy); color: #fff; }
.pt-mcard__btns button:hover { background: #8f1c13; }
.pt-welcome { position: relative; display: grid; place-items: center; height: 110px; overflow: hidden; background: linear-gradient(180deg, #eaf4ff 0%, #d6e9fb 60%, #c4ddf6 100%); }
.pt-welcome::before, .pt-welcome::after { content: ''; position: absolute; bottom: -30px; width: 58%; height: 90px; background: color-mix(in srgb, var(--nav) 55%, #9fc8ef); opacity: .55; clip-path: polygon(0 100%, 12% 42%, 22% 66%, 36% 18%, 50% 58%, 62% 30%, 76% 62%, 88% 26%, 100% 100%); }
.pt-welcome::before { left: -4%; }
.pt-welcome::after { right: -6%; height: 70px; opacity: .4; }
.pt-welcome strong { position: relative; z-index: 1; color: #fff; font: 900 38px/1 var(--font-sans); letter-spacing: .16em; -webkit-text-stroke: 1.5px var(--nav); paint-order: stroke fill; text-shadow: 0 3px 0 color-mix(in srgb, var(--nav) 60%, #001a3d); }
.pt-home--platform .pt-scene { justify-content: flex-start; aspect-ratio: auto; background: #fff; color: #333; border: 1px solid #eee; }
.pt-home--platform .pt-scene img { position: static; aspect-ratio: 16 / 10; height: auto; }
.pt-home--platform .pt-scene > span { padding: 10px 12px 12px; background: none; }
.pt-home--platform .pt-scene strong { color: #222; font-size: 16px; }
.pt-home--platform .pt-scene small { color: #777; }
.pt-home--platform .pt-scene em { color: var(--nav); }
.pt-hl { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 2px 8px; margin: 6px 0 4px; padding: 12px; background: #f2f4f7; }
.pt-hl .pt-ico { grid-row: span 2; color: var(--buy); font-size: 18px; margin-top: 2px; }
.pt-hl strong { color: #222; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pt-hl span { color: #999; font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pt-hl:hover strong { color: var(--buy); }
.pt-cols3--firm .pt-col3 { display: flex; flex-direction: column; }
.pt-firmcard { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; padding-top: 6px; }
.pt-firmcard img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #f5f5f5; }
.pt-firmcard strong { font-size: 16px; color: #222; }
.pt-firmcard p { color: #666; font-size: 13px; line-height: 1.7; }
.pt-firmcard .pt-btn { justify-self: start; }
.pt-mile li { display: flex; gap: 12px; padding: 9px 0; border-bottom: 1px dashed #eee; font-size: 13.5px; }
.pt-mile b { flex: none; min-width: 52px; color: var(--nav); font-weight: 700; }
.pt-mile span { color: #444; }
.pt-factlist { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 8px 0 12px; }
.pt-factlist div { padding: 10px; background: #f6f9fd; }
.pt-factlist dt { color: var(--nav); font: 800 18px/1.2 var(--font-sans); }
.pt-factlist dd { color: #777; font-size: 12px; }
.pt-cols3--firm .pt-join { margin-top: auto; }
.pt-foot--platform { margin-top: 28px; background: #fff; color: #555; }
.pt-pfoot__bar { background: var(--nav); }
.pt-pfoot__bar .pt-wrap { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 0; padding: 14px 0; }
.pt-pfoot__bar a, .pt-pfoot__bar button { padding: 0 18px; border-left: 1px solid rgba(255, 255, 255, .45); color: #fff; font-size: 14px; line-height: 1.2; }
.pt-pfoot__bar a:first-child { border-left: 0; }
.pt-pfoot__bar a:hover, .pt-pfoot__bar button:hover { text-decoration: underline; }
.pt-pfoot__info .pt-wrap { display: grid; gap: 6px; padding: 18px 0 26px; text-align: center; font-size: 13px; }
.pt-pfoot__note { color: #999; font-size: 12.5px; }
@media (max-width: 1024px) {
  html[data-portal-layout='platform'] .pt-channel__links { justify-content: flex-start; }
  .pt-welcome strong { font-size: 28px; }
}
@media (max-width: 720px) {
  .pt-welcome { height: 80px; }
  .pt-welcome strong { font-size: 20px; letter-spacing: .06em; -webkit-text-stroke-width: 1px; }
  .pt-pfoot__bar a, .pt-pfoot__bar button { padding: 0 10px; font-size: 13px; }
  .pt-pfoot__info .pt-wrap { padding-bottom: 80px; }
}
.pt-home--platform .pt-block-custom__inner h2 { font-size: 22px; }
.pt-firmcard p { display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
/* 首屏侧栏广告位：亮色渐变，与页面整体的白底亮蓝协调（参考行业门户的彩色广告图） */
.pt-sidead--jade { background: radial-gradient(circle at 85% 18%, rgba(255, 255, 255, .28) 0 34px, transparent 35px), radial-gradient(circle at 12% 88%, rgba(255, 255, 255, .18) 0 48px, transparent 49px), linear-gradient(160deg, #20c08f 0%, #3fd2a8 55%, #7ee5c6 100%); }
.pt-sidead--jade strong { color: #fff36b; text-shadow: 0 2px 0 rgba(0, 90, 60, .35); }
.pt-sidead--jade small { color: #fff; }
.pt-sidead--jade em { background: #fff; color: #129b72; }

/* ===== 评审整改：亮蓝统一、首屏整栏、内页去标题带与侧栏榜单、手机首屏顺序 ===== */
html[data-portal-layout='platform'] { --nav: color-mix(in srgb, var(--main) 18%, #2189e0); }
html[data-portal-layout='platform'] .pt-btn:not(.pt-btn--buy):not(.pt-btn--ghost):not(.pt-btn--accent):not(.pt-btn--light) { background: var(--nav); border-color: var(--nav); }
html[data-portal-layout='platform'] .pt-btn--ghost { color: var(--nav); border-color: var(--nav); }
html[data-portal-layout='platform'] .pt-bigsearch__box { border-color: var(--nav); }
html[data-portal-layout='platform'] .pt-bigsearch__box button, html[data-portal-layout='platform'] .pt-bigsearch__tabs input:checked + span { background: var(--nav); }
.pt-home--platform .pt-statbox dt { color: var(--nav); }
/* 首屏左栏连成一条白栏，蓝色头部与中栏页签同高 44px */
.pt-home--platform .pt-portal__member { gap: 0; border: 1px solid #e8e8e8; background: #fff; }
.pt-home--platform .pt-portal__member > * { border: 0; border-top: 1px solid #f0f0f0; border-radius: 0; }
.pt-home--platform .pt-portal__member > .pt-userbox { border-top: 0; }
.pt-userbox__title { min-height: 44px; padding: 0; line-height: 44px; }
.pt-home--platform .pt-portal__news { padding: 0 16px 14px; }
.pt-portal__top { grid-template-columns: minmax(0, 1fr); gap: 0; }
.pt-portal__tabbar.pt-tabs__list--line { margin: 0 -16px 12px; padding: 0 12px; min-height: 44px; background: linear-gradient(180deg, #f3f8ff, #d9e8f8); border-bottom: 1px solid #cfe0f3; }
.pt-portal__tabbar.pt-tabs__list--line button { min-height: 44px; color: #333; font-weight: 700; font-size: 15.5px; }
.pt-portal__tabbar.pt-tabs__list--line button.is-on { background: #fff; color: var(--nav); border-bottom-color: #fff; }
.pt-portal__pane { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; min-width: 0; }
.pt-portal__pane > * { min-width: 0; }
.pt-home--platform .pt-portal__pane .pt-slider { min-height: 270px; }
.pt-home--platform .pt-portal__subs .pt-list li.is-past a, .pt-home--platform .pt-portal__subs .pt-list li.is-past time { color: #aaa; }
/* 应用行业：6 列一行小图 */
.pt-home--platform .pt-scenes[data-count] { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.pt-home--platform .pt-scenes[data-count='7'], .pt-home--platform .pt-scenes[data-count='8'] { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.pt-home--platform .pt-scene img { aspect-ratio: 3 / 2; }
.pt-home--platform .pt-scene small { display: none; }
.pt-home--platform .pt-scene > span { padding: 8px 10px 10px; gap: 2px; }
.pt-home--platform .pt-scene strong { font-size: 15px; }
/* 企业中心：年份列定宽、推荐企业补图 */
.pt-mile b { min-width: 84px; }
.pt-firmcard__thumbs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.pt-firmcard__thumbs img { width: 100%; aspect-ratio: 1; object-fit: contain; border: 1px solid #eee; background: #fff; padding: 4px; }
/* 内页：去掉大标题带，改 44px 白底标题条；侧栏榜单 */
html[data-portal-layout='platform'] .pt-pagehead { background: transparent; border: 0; }
html[data-portal-layout='platform'] .pt-pagehead .pt-crumb { padding-top: 12px; }
html[data-portal-layout='platform'] .pt-pagehead__row { align-items: center; min-height: 48px; margin-top: 10px; padding: 6px 16px; border: 1px solid #e8e8e8; background: #fff; }
html[data-portal-layout='platform'] .pt-pagehead h1 { position: relative; padding-left: 14px; font-size: 20px; letter-spacing: 0; }
html[data-portal-layout='platform'] .pt-pagehead h1::before { content: ''; position: absolute; left: 0; top: 50%; width: 4px; height: 18px; margin-top: -9px; background: var(--nav); }
html[data-portal-layout='platform'] .pt-pagehead p { display: none; }
html[data-portal-layout='platform'] .pt-layout { gap: 16px; padding-top: 14px; }
html[data-portal-layout='platform'] .pt-layout--article { gap: 16px; }
html[data-portal-layout='platform'] .pt-layout__side { top: 12px; gap: 12px; }
html[data-portal-layout='platform'] .pt-side-card, html[data-portal-layout='platform'] .pt-panel { border-color: #e8e8e8; border-radius: 0; }
.pt-side-card--list { padding: 4px 16px 10px; }
.pt-side-card--list h2 { position: relative; display: flex; align-items: center; min-height: 42px; padding-left: 14px; border-bottom: 1px solid #eee; font-size: 16px; }
.pt-side-card--list h2::before { content: ''; position: absolute; left: 0; top: 50%; width: 10px; height: 20px; margin-top: -10px; border-radius: 0 10px 10px 0; background: linear-gradient(180deg, #6fb6ff, var(--nav)); }
.pt-side-card--list h2 .pt-link { margin-left: auto; font-size: 12.5px; font-weight: 500; }
.pt-side-rank li { display: flex; align-items: center; gap: 8px; padding: 7px 0; border-bottom: 1px dashed #eee; font-size: 13.5px; }
.pt-side-rank li a { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #444; }
.pt-side-rank li a:hover { color: var(--nav); }
.pt-side-rank time { color: #999; font-size: 12px; }
.pt-side-rank li.is-past a, .pt-side-rank li.is-past time { color: #aaa; }
.pt-side-rank--num li:nth-child(-n+3) .pt-rank__no { background: var(--buy); color: #fff; }
.pt-nowrap { white-space: nowrap; }
/* 供求列表：白色面板内分行，80px 缩略图；推荐信息图片条 */
html[data-portal-layout='platform'] .pt-listings { gap: 0; border: 1px solid #e8e8e8; background: #fff; }
html[data-portal-layout='platform'] .pt-listing { grid-template-columns: 80px minmax(0, 1fr) auto; gap: 14px; padding: 12px 16px; border: 0; border-bottom: 1px solid #eee; border-radius: 0; }
html[data-portal-layout='platform'] .pt-listing h2 { font-size: 15px; }
.pt-picks { margin-bottom: 12px; padding: 0 16px 14px; border: 1px solid #e8e8e8; background: #fff; }
.pt-picks h2 { position: relative; min-height: 42px; padding-left: 14px; line-height: 42px; font-size: 16px; }
.pt-picks h2::before { content: ''; position: absolute; left: 0; top: 11px; width: 10px; height: 20px; border-radius: 0 10px 10px 0; background: linear-gradient(180deg, #6fb6ff, var(--nav)); }
.pt-picks > div { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.pt-picks a { display: grid; gap: 6px; color: #444; font-size: 12.5px; }
.pt-picks img { width: 100%; aspect-ratio: 1; object-fit: contain; border: 1px solid #eee; background: #fff; }
.pt-picks span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* 资讯/展会列表：三栏头部、紧凑行 */
.pt-notestop { display: grid; grid-template-columns: 300px minmax(0, 1fr) 240px; gap: 16px; margin-bottom: 14px; padding: 14px; border: 1px solid #e8e8e8; background: #fff; }
.pt-notestop > * { min-width: 0; }
.pt-notestop__cover { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; background: #0d2236; }
.pt-notestop__cover img { width: 100%; height: 100%; object-fit: cover; }
.pt-notestop__cover > .pt-notestop__cap { position: absolute; inset: auto 0 0; padding: 26px 12px 10px; background: linear-gradient(transparent, rgba(0, 0, 0, .75)); color: #fff; font-weight: 700; font-size: 14px; line-height: 1.4; }
.pt-notestop__list .pt-hub__lead strong { color: var(--buy); font-size: 16.5px; }
.pt-notestop__list .pt-list li { padding: 5px 0; font-size: 13.5px; border-bottom: 0; }
.pt-notestop__rank h3 { position: relative; padding-left: 14px; margin-bottom: 4px; font-size: 16px; line-height: 32px; }
.pt-notestop__rank h3::before { content: ''; position: absolute; left: 0; top: 6px; width: 10px; height: 20px; border-radius: 0 10px 10px 0; background: linear-gradient(180deg, #6fb6ff, var(--nav)); }
.pt-fair-table--compact { margin-bottom: 14px; border: 1px solid #e8e8e8; background: #fff; }
.pt-fair-table--compact thead th, .pt-fair-table--compact tbody th, .pt-fair-table--compact tbody td { padding: 10px 14px; font-size: 13.5px; }
.pt-fair-table--compact tbody th { font: 600 14px/1.4 var(--font-sans); color: #222; }
html[data-portal-layout='platform'] .pt-article-list { gap: 0; border: 1px solid #e8e8e8; background: #fff; }
html[data-portal-layout='platform'] .pt-article-card { grid-template-columns: 150px minmax(0, 1fr); gap: 14px; padding: 12px 16px; border-bottom: 1px solid #eee; }
html[data-portal-layout='platform'] .pt-article-card__media { aspect-ratio: 3 / 2; }
html[data-portal-layout='platform'] .pt-article-card strong { font-size: 15.5px; }
/* 文章页：标题 28px、正文白卡 */
html[data-portal-layout='platform'] .pt-article { padding: 20px 28px 24px; border: 1px solid #e8e8e8; background: #fff; }
html[data-portal-layout='platform'] .pt-article__head { padding-top: 0; }
html[data-portal-layout='platform'] .pt-article__head h1 { font-size: 28px; letter-spacing: 0; }
/* 企业名录与关于我们 */
html[data-portal-layout='platform'] .pt-featured-firm .pt-facts { grid-template-columns: repeat(4, minmax(0, 1fr)); }
html[data-portal-layout='platform'] .pt-sec { padding: 48px 0; }
@media (max-width: 1180px) { .pt-notestop { grid-template-columns: 260px minmax(0, 1fr); } .pt-notestop__rank { display: none; } .pt-home--platform .pt-scenes[data-count] { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 720px) {
  .pt-home--platform .pt-portal__news { order: -1; }
  .pt-home--platform .pt-portal__member .pt-statbox, .pt-home--platform .pt-portal__trust, .pt-userbox__title { display: none; }
  .pt-home--platform .pt-userbox { grid-template-columns: auto 1fr auto; }
  .pt-home--platform .pt-userbox__btns { grid-column: auto; }
  .pt-home--platform .pt-userbox__post { display: none; }
  .pt-portal__pane { grid-template-columns: minmax(0, 1fr); }
  .pt-mcard__tag { display: none !important; }
  .pt-mcard__btns { grid-template-columns: 1fr; }
  html[data-portal-layout='platform'] .pt-channel__links { -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent); mask-image: linear-gradient(90deg, #000 85%, transparent); }
  .pt-picks > div { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .pt-notestop { grid-template-columns: minmax(0, 1fr); }
  html[data-portal-layout='platform'] .pt-article-card { grid-template-columns: 110px minmax(0, 1fr); }
  html[data-portal-layout='platform'] .pt-article { padding: 14px; }
  html[data-portal-layout='platform'] .pt-article__head h1 { font-size: 22px; }
  html[data-portal-layout='platform'] .pt-layout--side-left .pt-side-nav { display: flex; overflow-x: auto; gap: 6px; }
  html[data-portal-layout='platform'] .pt-layout--side-left .pt-side-nav a { flex: none; }
  .pt-home--platform .pt-scenes[data-count] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.pt-layout__main, .pt-layout__side, .pt-layout__side > * { min-width: 0; }
.pt-side-rank, .pt-side-rank li { min-width: 0; }
.pt-picks a { min-width: 0; }
html[data-portal-layout='platform'] .pt-side-card--accent { background: #eef6ff; border-color: #cfe3fb; color: #333; }
html[data-portal-layout='platform'] .pt-side-card--accent h2 { color: #1a3d66; }
html[data-portal-layout='platform'] .pt-side-card--accent p { color: #555; }
html[data-portal-layout='platform'] .pt-prods--list { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 1180px) { html[data-portal-layout='platform'] .pt-prods--list { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 720px) { html[data-portal-layout='platform'] .pt-prods--list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 720px) { .pt-home--platform .pt-sidead--slot { display: none; } .pt-home--platform .pt-mall__side .pt-sidead--slot { display: none; } }
/* 空广告位与欢迎通栏换成生成的底图（无文字），文字由网页叠加 */
.pt-sidead--jade { background: #3fd2a8 url("/hangye/static/img/portal/ads/ad-diamond.webp") center / cover no-repeat; }
.pt-sidead--jade strong { color: #0a5c43; text-shadow: 0 1px 0 rgba(255, 255, 255, .6); }
.pt-sidead--jade small { color: #2b7a5f; }
.pt-sidead--jade em { background: #0f9a6f; color: #fff; }
.pt-hotbox { background: var(--hot) url("/hangye/static/img/portal/ads/ad-sourcing.webp") right center / cover no-repeat; }
.pt-hotbox strong, .pt-hotbox a, .pt-hotbox small { text-shadow: 0 1px 2px rgba(150, 60, 0, .35); }
.pt-adband__slot--gold { background: #6d0b0b url("/hangye/static/img/portal/ads/ad-gold.webp") center / cover no-repeat; }
.pt-adband__slot--gold::before { display: none; }
.pt-welcome { background: #e6f2fc url("/hangye/static/img/portal/ads/welcome.webp") center bottom / cover no-repeat; }
.pt-welcome::before, .pt-welcome::after { display: none; }
.pt-welcome strong { transform: translateY(-18px); }
.pt-sidead--gold { justify-content: flex-start; padding-top: 28px; background: #e8892a url("/hangye/static/img/portal/ads/ad-fasteners.webp") center bottom / cover no-repeat; }
.pt-sidead--gold strong { color: #fff; text-shadow: 0 2px 4px rgba(120, 50, 0, .45); }
.pt-home--platform .pt-adband__slot--gold { background: #6d0b0b url("/hangye/static/img/portal/ads/ad-gold.webp") center / cover no-repeat; }
/* 钻石广告位：深翡翠底、金色大字（Boss：要浓、要像广告） */
.pt-sidead--jade { justify-content: center; gap: 10px; padding: 24px 22px; background: #0d6b52 url("/hangye/static/img/portal/ads/ad-diamond.webp") center / cover no-repeat; }
.pt-sidead--jade .pt-sidead__big { color: #ffd76a; font: 900 34px/1.15 var(--font-sans); letter-spacing: .06em; text-shadow: 0 2px 0 rgba(0, 40, 28, .35); }
.pt-sidead--jade strong { color: #fff; font-size: 26px; letter-spacing: .12em; text-shadow: none; }
.pt-sidead--jade small { color: rgba(255, 255, 255, .78); letter-spacing: .02em; }
.pt-sidead--jade em { margin-top: 6px; background: #ffd76a; color: #0d5a44; }
/* 首屏中栏：焦点图更宽，右侧资讯留足间距 */
.pt-portal__pane { grid-template-columns: minmax(0, 1.18fr) minmax(0, 1fr); gap: 22px; }
.pt-home--platform .pt-portal__pane .pt-slider { min-height: 290px; }
.pt-portal__tabs { padding-right: 2px; }
/* 首屏两栏：左会员公告，右整块资讯（Boss 10-13：去掉竖条广告，焦点图加宽） */
.pt-home--platform .pt-portal__grid { grid-template-columns: 236px minmax(0, 1fr); }
.pt-portal__pane { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 26px; }
.pt-home--platform .pt-portal__pane .pt-slider { min-height: 300px; }
.pt-portal__subs { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 240px; gap: 22px; }
.pt-portal__subs .pt-hotbox, .pt-portal__subs > .pt-sidead { align-self: stretch; margin-top: 10px; background-size: cover; }
.pt-portal__subs .pt-hotbox strong { font-size: 20px; }
@media (max-width: 1180px) { .pt-home--platform .pt-portal__grid { grid-template-columns: 220px minmax(0, 1fr); } .pt-portal__subs { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .pt-portal__subs > :last-child { grid-column: 1 / -1; } }
@media (max-width: 1024px) { .pt-home--platform .pt-portal__grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 720px) { .pt-portal__pane, .pt-portal__subs { grid-template-columns: minmax(0, 1fr); } }
.pt-portal__subs .pt-hotbox { padding: 16px 16px 14px; background-size: 64% auto; background-position: right -6px bottom -4px; background-color: #ef8a17; }
.pt-portal__subs .pt-hotbox a { font-size: 19px; }
.pt-portal__subs .pt-hotbox button { padding: 6px 14px; font-size: 13px; }
.pt-portal__subs .pt-hotbox { background: linear-gradient(90deg, #ef8a17 0%, #ef8a17 46%, rgba(239, 138, 23, .55) 66%, rgba(239, 138, 23, 0) 86%), #f39a2c url("/hangye/static/img/portal/ads/ad-sourcing.webp") 72% center / cover no-repeat; }
.pt-portal__subs .pt-hotbox button { min-height: 0; line-height: 1.4; }
.pt-portal__subs .pt-hotbox button { height: 32px; padding: 0 16px; border-radius: 16px; }

/* ===== 复评整改 ===== */
/* 嵌套样式串扰：只作用于直接子元素 */
.pt-pager a span, .pt-pager span span { display: inline; min-width: 0; height: auto; padding: 0; border: 0; background: none; }
/* 资讯/展会三栏头：通栏 400 | 中 | 300 */
.pt-notestop { grid-template-columns: 400px minmax(0, 1fr) 300px; margin: 14px 0 0; }
/* 残留藏青改亮蓝 */
html[data-portal-layout='platform'] .pt-chip.is-on, html[data-portal-layout='platform'] .pt-pager .is-on { background: var(--nav); border-color: var(--nav); }
html[data-portal-layout='platform'] .pt-article__cta { background: #eef6ff; border: 1px solid #cfe3fb; color: #555; }
html[data-portal-layout='platform'] .pt-article__cta strong { color: #1a3d66; }
html[data-portal-layout='platform'] .pt-article__cta > .pt-ico { color: var(--nav); }
/* 企业中心：发展历程卡补资质 */
.pt-col3__sub { margin: 12px 0 4px; color: #222; font-size: 14.5px; }
.pt-honors li { display: flex; gap: 8px; padding: 6px 0; color: #444; font-size: 13.5px; }
.pt-honors .pt-ico { flex: none; color: #e87c12; margin-top: 2px; }
.pt-honors--contact .pt-ico { color: var(--nav); }
.pt-honors--contact { margin-bottom: 12px; }
/* 供求：规格小标签 */
.pt-listing__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.pt-listing__tags span { padding: 1px 8px; border: 1px solid #dbe7f5; border-radius: 2px; background: #f4f8fd; color: #3d5f86; font-size: 12px; }
.pt-chips--tags { display: flex; flex-wrap: wrap; gap: 6px; padding: 10px 0 4px; }
.pt-chips--tags .pt-chip { min-height: 26px; padding: 0 10px; border-radius: 2px; font-size: 12.5px; }
/* 企业名录统计 2×2，数值不换行 */
html[data-portal-layout='platform'] .pt-featured-firm .pt-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pt-featured-firm .pt-facts dt { white-space: nowrap; }
/* 关于我们：时间轴两列卡片、应用行业 4 列 */
html[data-portal-layout='platform'] .pt-timeline--wide { max-width: none; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 24px; }
html[data-portal-layout='platform'] .pt-timeline--wide::before { display: none; }
html[data-portal-layout='platform'] .pt-timeline--wide li { padding: 16px 18px 16px 44px; border: 1px solid #e8e8e8; background: #fff; align-content: start; }
html[data-portal-layout='platform'] .pt-timeline--wide li::before { left: 16px; top: 20px; }
html[data-portal-layout='platform'] .pt-about-sectors > div { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1180px) { .pt-notestop { grid-template-columns: 300px minmax(0, 1fr); } }
@media (max-width: 720px) {
  .pt-notestop { grid-template-columns: minmax(0, 1fr); }
  /* 手机展会卡：日期块缩成一行压在图片左下角 */
  .pt-pfair__date { position: absolute; inset: auto auto 0 0; display: flex; align-items: baseline; gap: 6px; min-width: 0; padding: 4px 10px; }
  .pt-pfair__date small { display: none; }
  .pt-pfair__date b { font-size: 15px; }
  .pt-pfair--plain .pt-pfair__date { inset: 0; justify-content: center; align-items: center; }
  /* 手机产品中心：分类横滑条在上，商品紧跟其后，其余侧栏放到商品后面 */
  html[data-portal-layout='platform'] .pt-layout--side-left .pt-layout__side { display: contents; }
  html[data-portal-layout='platform'] .pt-layout--side-left .pt-layout__side > * { order: 3; }
  html[data-portal-layout='platform'] .pt-layout--side-left .pt-layout__side > :first-child, html[data-portal-layout='platform'] .pt-layout--side-left .pt-layout__side > :nth-child(2):not(.pt-side-card--accent) { order: 1; }
  html[data-portal-layout='platform'] .pt-layout--side-left .pt-layout__main { order: 2; }
  html[data-portal-layout='platform'] .pt-layout--side-left .pt-side-card:first-child h2 { display: none; }
  html[data-portal-layout='platform'] .pt-layout--side-left .pt-side-card:first-child { padding: 8px; }
  html[data-portal-layout='platform'] .pt-pagehead__row { flex-direction: row; align-items: center; min-height: 44px; padding: 4px 12px; }
  html[data-portal-layout='platform'] .pt-pagehead__row .pt-btn { min-height: 32px; padding: 0 12px; font-size: 13px; }
  .pt-home--platform .pt-adband__slot--gold { display: none; }
  html[data-portal-layout='platform'] .pt-timeline--wide { grid-template-columns: minmax(0, 1fr); }
  html[data-portal-layout='platform'] .pt-about-sectors > div { grid-template-columns: minmax(0, 1fr); }
}
html[data-portal-layout='platform'] .pt-timeline__period { color: var(--nav); }
html[data-portal-layout='platform'] .pt-timeline li::before { border-color: var(--nav); }
@media (max-width: 720px) {
  /* 手机展会表：每场两行（名称+日期 / 场馆+状态），头图标题与下方头条重复，隐藏 */
  .pt-fair-table--compact tr { padding: 10px 14px; gap: 4px 10px; }
  .pt-fair-table--compact tbody th, .pt-fair-table--compact tbody td { padding: 0; font-size: 13px; }
  .pt-fair-table--compact td:nth-child(3) { grid-column: auto; color: #777; }
  .pt-fair-table--compact td:nth-child(4) { justify-self: end; }
  .pt-notestop__cover > .pt-notestop__cap { display: none; }
}

/* ===== 第三轮复评整改 ===== */
.pt-leadlist { display: grid; gap: 0; margin: 2px 0 6px; }
.pt-leadlist div { display: flex; justify-content: space-between; gap: 12px; padding: 7px 0; border-bottom: 1px dashed #eee; font-size: 13.5px; }
.pt-leadlist dt { color: #555; }
.pt-leadlist dd { flex: none; color: var(--nav); font-weight: 700; }
.pt-cols3--firm .pt-firmcard { display: flex; flex: 1; flex-direction: column; gap: 8px; }
.pt-cols3--firm .pt-firmcard .pt-btn { margin-top: auto; align-self: flex-start; }
.pt-chips__label { margin: 10px 0 0; color: #888; font-size: 12.5px; font-weight: 500; }
.pt-chips__label + .pt-chips--tags { padding-top: 6px; }
.pt-picks > div { grid-auto-rows: auto; row-gap: 12px; }
@media (max-width: 720px) {
  /* 手机供求条目：小图 + 两行文字 + 右侧小按钮，单条约 110px */
  html[data-portal-layout='platform'] .pt-listing { grid-template-columns: 56px minmax(0, 1fr) auto; gap: 10px; padding: 10px 12px; align-items: start; }
  html[data-portal-layout='platform'] .pt-listing__act { grid-column: auto; grid-template-columns: minmax(0, 1fr); align-self: center; }
  html[data-portal-layout='platform'] .pt-listing__act .pt-btn { min-height: 30px; padding: 0 10px; font-size: 12.5px; }
  html[data-portal-layout='platform'] .pt-listing__act .pt-btn--ghost { display: none; }
  html[data-portal-layout='platform'] .pt-listing h2 { font-size: 14px; line-height: 1.4; }
  html[data-portal-layout='platform'] .pt-listing p { -webkit-line-clamp: 1; font-size: 12.5px; }
  html[data-portal-layout='platform'] .pt-listing__meta, html[data-portal-layout='platform'] .pt-listing__cat { display: none; }
  html[data-portal-layout='platform'] .pt-listing__tags { margin-top: 2px; }
  /* 手机产品中心：产品类型并成一条横滑标签，商品卡底部一行两端对齐 */
  html[data-portal-layout='platform'] .pt-layout--side-left .pt-layout__side > :nth-child(2):not(.pt-side-card--accent) { padding: 6px 8px; }
  html[data-portal-layout='platform'] .pt-layout--side-left .pt-layout__side > :nth-child(2):not(.pt-side-card--accent) h2 { display: none; }
  html[data-portal-layout='platform'] .pt-layout--side-left .pt-layout__side > :nth-child(2):not(.pt-side-card--accent) .pt-chips { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  html[data-portal-layout='platform'] .pt-layout--side-left .pt-layout__side > :nth-child(2):not(.pt-side-card--accent) .pt-chip { flex: none; }
  .pt-prod__foot { flex-wrap: nowrap; gap: 6px; font-size: 12.5px; }
  .pt-prod__foot > * { white-space: nowrap; }
}
@media (max-width: 720px) { .pt-picks > div > a:nth-child(n+7) { display: none; } }

/* ===== 兜底：客户资料不全时 ===== */
.pt-buyguide .pt-steps { margin: 6px 0 12px; }
.pt-rank .pt-buyguide + .pt-btn { margin-top: auto; }
.pt-steps--service { margin: 8px 0 4px; }
.pt-steps--service li { padding: 8px 0; border-bottom: 1px dashed #eee; }
.pt-home--platform .pt-scene--product img { padding: 6%; object-fit: contain; background: #f7f8fa; }
.pt-feedlist { margin-top: 14px; padding: 14px 18px; border: 1px solid #e8e8e8; background: #fff; }
.pt-feedlist h2 { position: relative; padding-left: 16px; color: #222; font-size: 16px; line-height: 32px; }
.pt-feedlist h2::before { content: ''; position: absolute; left: 0; top: 6px; width: 10px; height: 20px; border-radius: 0 10px 10px 0; background: linear-gradient(180deg, #6fb6ff, var(--nav)); }
.pt-feedlist > p { margin: 2px 0 6px; color: #888; font-size: 12.5px; }
.pt-feedlist .pt-list li { gap: 10px; }
.pt-feedlist .pt-list small { flex: none; color: #999; font-size: 12px; }
/* 关于我们子导航：手机横滑时右侧渐隐，提示还能滑 */
@media (max-width: 720px) {
  .pt-anchors .pt-wrap { -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent); mask-image: linear-gradient(90deg, #000 85%, transparent); }
  .pt-feedlist { padding: 12px; }
  .pt-feedlist .pt-list small { display: none; }
}
.pt-layout__main > * { min-width: 0; }
.pt-buyguide__tel { display: flex; align-items: center; gap: 8px; margin-top: 14px; padding: 12px; background: #f4f8fd; color: #555; font-size: 13px; }
.pt-buyguide__tel .pt-ico { color: var(--nav); }
.pt-buyguide__tel a { margin-left: auto; color: var(--nav); font-weight: 800; font-size: 17px; }

/* ===== 第五轮复评整改 ===== */
.pt-mcard__media { position: relative; overflow: hidden; }
.pt-mcard__media img { position: absolute; inset: 10px; width: calc(100% - 20px); height: calc(100% - 20px); object-fit: contain; }
.pt-cols3[data-cols="2"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pt-cols3[data-cols="1"] { grid-template-columns: minmax(0, 1fr); }
.pt-statbox[data-n="1"] { grid-template-columns: 1fr; }
.pt-statbox[data-n="3"] { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pt-statbox[data-n="3"] div { border-top: 0; }
.pt-statbox[data-n="3"] div + div { border-left: 1px solid var(--line); }
.pt-factlist[data-n="3"] { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.pt-featured-firm--text { grid-template-columns: minmax(0, 1fr); }
.pt-about-hero__media--logo img { object-fit: contain; padding: 8%; background: #fff; }
@media (max-width: 720px) { .pt-cols3[data-cols] { grid-template-columns: minmax(0, 1fr); } }
.pt-cols3[data-cols="2"] { align-items: start; }
.pt-about-hero__media--logo img { mix-blend-mode: multiply; }