/* ============================================================
   公才公望 · 内页视觉体系（V4 展示体系 · 2026-09-05）
   基调：纸白正文 + 墨青重音 + 深金点缀
   深色只用于：页面头图 / 人才板块 / 联系带 / 页脚
   模块原则：每种文字模块全站唯一定义，页面之间不造变体
   ============================================================ */

:root {
  /* 深色体系（头图、重音区块、页脚） */
  --bg: #050d18;
  --bg-2: #081527;
  --bg-3: #0b1d31;
  --navy: #0e2436;
  /* 纸白体系（正文区） */
  --paper: #faf9f6;
  --paper-2: #f1efe9;
  --card: #ffffff;
  --ink: #1a2332;
  --muted: #53606b;
  --faint: #63707a;
  --line: #e4e1d8;
  --line-strong: #c9c4b8;
  /* 深色底上的文字色 */
  --ink-l: #e9eef3;
  --muted-l: rgba(233, 238, 243, .78);
  --faint-l: rgba(233, 238, 243, .7);
  --line-l: rgba(255, 255, 255, .12);
  --line-strong-l: rgba(255, 255, 255, .26);
  /* 金 */
  --gold: #f2ae18;
  --gold-bright: #ffc13d;
  --gold-deep: #8f6500;
  /* 尺度 */
  --shell: 1360px;
  --header-height: 88px;
  --section-space: clamp(52px, 5vw, 76px);
  --text-xs: 12px;
  --text-sm: 13px;
  --text-md: 14px;
  --text-body: 16px;
  --leading-body: 1.85;
  --measure-reading: 48rem;
  --measure-note: 52rem;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", system-ui, sans-serif;
  --serif: "Noto Serif SC", "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
}

*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 16px); }

body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}

body.is-locked { overflow: hidden; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, p, ul, ol, dl, figure, blockquote { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; line-height: 1.32; }
p { text-wrap: pretty; }

::selection { color: #171c20; background: var(--gold); }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

.shell { width: min(calc(100% - clamp(48px, 7vw, 112px)), var(--shell)); margin-inline: auto; }
.section { padding-block: var(--section-space); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: #fff;
  background: var(--navy);
  transform: translateY(-180%);
}
.skip-link:focus { transform: none; }

/* ============================================================
   文字模块（全站唯一标准件）
   ============================================================ */

/* 模块 1 · 眉题 */
.eyebrow {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: .12em;
}
.eyebrow--gold { color: var(--gold-deep); }

/* 模块 2 · 区块头（标题 + 可选右侧说明） */
.section-head,
.brand-section-head { margin-bottom: clamp(28px, 3vw, 40px); }
.section-head--split,
.brand-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .65fr);
  gap: clamp(40px, 7vw, 120px);
  align-items: end;
}
.section-head h2,
.brand-section-head h2 {
  margin-bottom: 0;
  color: var(--ink);
  font-size: clamp(26px, 3vw, 42px);
  font-weight: 700;
  line-height: 1.3;
}
.section-head > p,
.brand-section-head > p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

/* 模块 3 · 导语 */
.lead,
.article-lede,
.standard-policy-lead {
  color: var(--ink);
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 2;
}

/* 模块 4 · 正文流（prose / 文章正文） */
.prose,
.article-content,
.standard-policy-content { color: var(--muted); font-size: var(--text-body); }
.article-content,
.standard-policy-content { max-width: var(--measure-reading); }
.prose > p:last-child,
.article-content > p:last-child { margin-bottom: 0; }
.prose .lead,
.article-content .article-lede,
.standard-policy-content .standard-policy-lead { margin-bottom: 1.6em; }
.article-content h2,
.standard-policy-content h2 {
  margin: 2.2em 0 .8em;
  color: var(--ink);
  font-size: clamp(20px, 1.9vw, 26px);
  line-height: 1.4;
}
.article-content h2:first-child,
.standard-policy-content h2:first-child { margin-top: 0; }
.article-content p,
.standard-policy-content p { margin-bottom: 1.2em; }
.article-content ul,
.standard-policy-content ul { margin: 0 0 1.4em; padding: 0; list-style: none; }
.article-content li,
.standard-policy-content li { position: relative; padding: 4px 0 4px 20px; }
.article-content li::before,
.standard-policy-content li::before {
  position: absolute;
  top: 15px;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--gold);
}
.article-content a { color: var(--gold-deep); border-bottom: 1px solid currentColor; }
.article-content a:hover { color: var(--gold); }
.article-content figure { margin: 2em 0; }
.article-content figure img { width: 100%; }
.article-content figcaption { margin-top: 10px; color: var(--faint); font-size: 12.5px; }
.article-content blockquote,
.standard-policy-content blockquote {
  margin: 1.8em 0;
  padding: 4px 0 4px 22px;
  color: var(--ink);
  border-left: 2px solid var(--gold);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.9;
}
.article-content blockquote p { margin: 0; color: inherit; }

/* 模块 5 · 强调句（金线注释，prose 内的 aside） */
.prose aside {
  margin-top: 2em;
  padding-left: 22px;
  border-left: 2px solid var(--gold);
}
.prose aside strong { display: block; margin-bottom: 6px; color: var(--ink); font-size: 15px; }
.prose aside p { margin-bottom: 0; font-size: 14px; }

/* 模块 6 · 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(22px, 3vw, 34px);
  color: var(--faint);
  font-size: 12.5px;
}
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb--light { color: var(--faint-l); }
.breadcrumb--light a:hover { color: #fff; }

/* 模块 7 · 元信息行 */
.portal-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 12px;
  color: var(--gold-deep);
  font-size: 12px;
  font-weight: 700;
}
.portal-meta a:hover { color: var(--gold); }
.portal-meta span { color: var(--faint); font-weight: 500; }

/* 模块 8 · 标签组 */
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.article-tags span { margin-right: 6px; color: var(--faint); font-size: 12px; }
.article-tags a {
  padding: 4px 12px;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  font-size: 12px;
}
.article-tags a:hover { color: var(--gold-deep); border-color: var(--gold-deep); }

/* 模块 9 · 分页 */
.portal-pagination { display: flex; flex-wrap: wrap; gap: 8px; margin-top: clamp(36px, 4vw, 56px); }
.portal-pagination a {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--card);
  font-size: 14px;
}
.portal-pagination a:hover { color: var(--gold-deep); border-color: var(--gold-deep); }

/* 模块 10 · 上下篇导航 */
.article-post-nav,
.standard-post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: clamp(36px, 4vw, 56px);
  background: var(--line);
  border: 1px solid var(--line);
}
.article-post-nav a,
.standard-post-nav a {
  display: grid;
  gap: 8px;
  padding: 22px 26px;
  background: var(--card);
}
.article-post-nav a:hover strong,
.standard-post-nav a:hover strong { color: var(--gold-deep); }
.article-post-nav span,
.standard-post-nav span { color: var(--faint); font-size: 12px; }
.article-post-nav strong,
.standard-post-nav strong { color: var(--ink); font-size: 15px; line-height: 1.55; }
.article-post-nav a:last-child,
.standard-post-nav a:last-child { text-align: right; }

/* 模块 11 · 文字链接 */
.portal-text-link,
.case-read-more,
.text-link {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--gold-deep);
  border-bottom: 1px solid currentColor;
  font-size: 13px;
  font-weight: 700;
}
.portal-text-link:hover,
.case-read-more:hover,
.text-link:hover { color: var(--gold); }

/* 模块 12 · 原型标记（交付前移除） */
.prototype-label {
  display: inline-block;
  padding: 3px 10px;
  color: var(--gold-deep);
  border: 1px solid rgba(185, 130, 10, .5);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
}
.is-draft { opacity: .92; }

/* ============================================================
   按钮
   ============================================================ */
.button {
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 0 28px;
  border: 1px solid currentColor;
  border-radius: 0;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s var(--ease);
}
.button:hover { transform: translateY(-2px); }
.button--gold { color: #171c20; border-color: var(--gold); background: var(--gold); }
.button--gold:hover { border-color: var(--gold-bright); background: var(--gold-bright); }

/* ============================================================
   头部导航（--dark：头图上透明，滚动后纸白玻璃；
   --paper：始终纸白）
   ============================================================ */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  color: #fff;
  border-bottom: 1px solid transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled,
.site-header.is-menu-open,
.site-header.is-search-open,
.site-header--paper {
  color: var(--ink);
  border-bottom-color: var(--line);
  background: rgba(250, 249, 246, .92);
  box-shadow: 0 12px 40px rgba(14, 36, 54, .08);
  backdrop-filter: blur(18px);
}
.site-header__inner {
  min-height: var(--header-height);
  display: grid;
  grid-template-columns: minmax(190px, 250px) minmax(0, 1fr) auto;
  gap: clamp(30px, 4vw, 72px);
  align-items: center;
}
.site-brand { width: clamp(180px, 15vw, 228px); display: flex; align-items: center; }
.site-brand__logo { width: 100%; }

.site-nav { display: flex; justify-content: flex-end; gap: clamp(20px, 2.2vw, 38px); }
.site-nav > a,
.site-nav__group > a {
  position: relative;
  min-height: var(--header-height);
  display: inline-flex;
  align-items: center;
  color: rgba(255, 255, 255, .82);
  font-size: 15px;
  font-weight: 600;
}
.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 22px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s var(--ease);
}
.site-nav a:hover { color: #fff; }
.site-nav a:hover::after,
.site-nav a.is-current::after { transform: scaleX(1); transform-origin: left; }
.site-nav a.is-current { color: #fff; }

/* 浅色头部态：链接、按钮、logo 一并切换 */
.site-header:is(.is-scrolled, .is-menu-open, .is-search-open) .site-nav > a,
.site-header:is(.is-scrolled, .is-menu-open, .is-search-open) .site-nav__group > a,
.site-header--paper .site-nav > a,
.site-header--paper .site-nav__group > a { color: var(--muted); }
.site-header:is(.is-scrolled, .is-menu-open, .is-search-open) .site-nav a:hover,
.site-header:is(.is-scrolled, .is-menu-open, .is-search-open) .site-nav a.is-current,
.site-header--paper .site-nav a:hover,
.site-header--paper .site-nav a.is-current { color: var(--ink); }
.site-header:is(.is-scrolled, .is-menu-open, .is-search-open) .search-toggle,
.site-header:is(.is-scrolled, .is-menu-open, .is-search-open) .nav-toggle,
.site-header--paper .search-toggle,
.site-header--paper .nav-toggle { border-color: rgba(26, 35, 50, .3); }
.site-brand__logo--light { display: none; }
.site-header:is(.is-scrolled, .is-menu-open, .is-search-open) .site-brand__logo--dark,
.site-header--paper .site-brand__logo--dark { display: none; }
.site-header:is(.is-scrolled, .is-menu-open, .is-search-open) .site-brand__logo--light,
.site-header--paper .site-brand__logo--light { display: block; }

.site-nav__group { position: relative; display: flex; align-items: stretch; }
.site-nav__panel {
  position: absolute;
  top: calc(100% - 8px);
  right: -210px;
  width: min(680px, 76vw);
  max-height: calc(100vh - var(--header-height) - 12px);
  max-height: calc(100dvh - var(--header-height) - 12px);
  overflow-y: auto;
  overscroll-behavior: contain;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 14px;
  border-top: 3px solid var(--gold);
  background: var(--card);
  box-shadow: 0 28px 64px rgba(14, 36, 54, .16);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .22s ease, transform .22s ease, visibility .22s ease;
}
.site-nav__group:hover .site-nav__panel,
.site-nav__group:focus-within .site-nav__panel { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
.site-nav__panel a {
  min-height: 72px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 12px 16px;
  border: 1px solid var(--line);
}
.site-nav__panel a:hover { z-index: 1; border-color: rgba(185, 130, 10, .5); background: rgba(14, 36, 54, .04); }
.site-nav__panel a::after { display: none; }
.site-nav__panel strong { color: var(--ink); font-size: 14px; }
.site-nav__panel small { color: var(--faint); font-size: var(--text-xs); font-weight: 400; }

.search-toggle {
  min-width: 104px;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 18px;
  color: inherit;
  border: 1px solid rgba(255, 255, 255, .35);
  background: transparent;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
.search-toggle:hover { color: #171c20; border-color: var(--gold); background: var(--gold); }
.search-toggle svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.nav-toggle { display: none; }

.search-panel {
  max-height: calc(100vh - var(--header-height));
  max-height: calc(100dvh - var(--header-height));
  overflow-y: auto;
  overscroll-behavior: contain;
  color: var(--ink);
  border-top: 1px solid var(--line);
  background: rgba(250, 249, 246, .98);
}
.search-panel__inner {
  min-height: 118px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 18px;
  align-items: center;
}
.search-panel label { font-size: 14px; font-weight: 700; }
.search-panel input {
  width: 100%;
  min-width: 0;
  min-height: 54px;
  padding: 0 18px;
  color: var(--ink);
  border: 1px solid var(--line-strong);
  border-radius: 0;
  outline: 0;
  background: var(--card);
}
.search-panel input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(242, 174, 24, .15); }
.search-panel input::placeholder { color: var(--faint); }
.search-panel button[type="submit"] { min-height: 54px; padding: 0 28px; color: #171c20; border: 0; background: var(--gold); font-weight: 700; cursor: pointer; }
.search-panel__close { width: 48px; height: 48px; padding: 0; color: var(--faint); border: 0; background: transparent; font-size: 32px; cursor: pointer; }
.search-panel [role="status"] { grid-column: 2 / -1; margin: 0 0 16px; color: var(--gold-deep); font-size: 13px; }
.search-panel [role="status"]:empty { display: none; }

/* ============================================================
   公共页脚（深墨青）
   ============================================================ */
.site-footer { color: #fff; background: var(--bg-2); }
.site-footer__top {
  display: grid;
  grid-template-columns: 1.45fr repeat(2, .64fr) 1.08fr;
  gap: clamp(26px, 4vw, 64px);
  padding-block: 48px 36px;
  border-bottom: 1px solid var(--line-l);
}
.site-footer h2 { margin-bottom: 16px; color: rgba(233, 238, 243, .58); font-size: var(--text-xs); letter-spacing: .1em; }
.site-footer__brand img { width: min(210px, 100%); margin-bottom: 14px; }
.site-footer__brand p { color: rgba(233, 238, 243, .68); font-size: var(--text-sm); }
.site-footer nav a { min-height: 32px; display: block; color: rgba(233, 238, 243, .72); font-size: var(--text-sm); }
.site-footer nav a:hover { color: #fff; }
.site-footer address { font-style: normal; }
.site-footer address a,
.site-footer address p { display: block; margin-bottom: 7px; color: rgba(233, 238, 243, .68); font-size: var(--text-sm); }
.site-footer address .site-footer__phone { margin-bottom: 12px; color: #fff; font-size: 20px; font-weight: 700; letter-spacing: .02em; }
.site-footer__bottom { min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--faint-l); font-size: var(--text-xs); }
.site-footer__bottom p { margin: 0; }
.site-footer__bottom div { display: flex; flex-wrap: wrap; gap: 24px; }
.site-footer__bottom a:hover { color: #fff; }

/* ============================================================
   页面头图族：service-hero / center-hero / case-category-hero
   （深色大图，全站共用一套骨架）
   ============================================================ */
.service-hero,
.center-hero,
.case-category-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: min(76svh, 700px);
  overflow: hidden;
  color: #fff;
  background: #04090f;
}
.service-hero__visual,
.service-hero__shade,
.center-hero__visual,
.center-hero__shade,
.case-category-hero__visual,
.case-category-hero__shade { position: absolute; inset: 0; }
.service-hero__visual img,
.center-hero__visual img,
.case-category-hero__visual img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85) brightness(.9); }
.service-hero__shade,
.center-hero__shade,
.case-category-hero__shade {
  background:
    linear-gradient(90deg, rgba(3, 8, 13, .92) 0%, rgba(3, 8, 13, .6) 46%, rgba(3, 8, 13, .24) 100%),
    linear-gradient(0deg, rgba(3, 8, 13, .88) 0%, rgba(3, 8, 13, .08) 48%),
    linear-gradient(180deg, rgba(3, 8, 13, .5) 0%, transparent 26%);
}
.service-hero__inner,
.center-hero__inner,
.case-category-hero__inner {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--header-height) + clamp(32px, 5vh, 56px));
  padding-bottom: clamp(28px, 4vh, 44px);
}
.service-hero__copy,
.center-hero__copy { max-width: 880px; }
.service-hero h1,
.center-hero h1,
.case-category-hero h1 {
  margin: 0 0 clamp(20px, 3vh, 32px);
  color: #fff;
  font-size: clamp(32px, 4.2vw, 60px);
  font-weight: 700;
  line-height: 1.28;
}
.service-hero__copy > p:not(.eyebrow),
.center-hero__copy > p:not(.eyebrow),
.case-category-hero__inner > div > p:not(.eyebrow) {
  max-width: 700px;
  margin-bottom: clamp(28px, 4vh, 40px);
  color: rgba(255, 255, 255, .78);
  font-size: clamp(14.5px, 1.1vw, 17px);
  line-height: 2;
}
.case-category-hero__service {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-bottom: clamp(28px, 4vh, 44px);
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
}
.case-category-hero__service:hover { color: var(--gold-bright); }

/* 头图底部事实条 */
.service-facts,
.center-hero__facts {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 0;
  border-top: 1px solid rgba(255, 255, 255, .18);
}
.service-facts > div,
.center-hero__facts > p {
  display: grid;
  align-content: center;
  gap: 3px;
  margin: 0;
  padding: 22px clamp(16px, 2.4vw, 40px) 24px;
  border-left: 1px solid rgba(255, 255, 255, .14);
}
.service-facts > div:first-child,
.center-hero__facts > p:first-child { border-left: 0; padding-left: 0; }
.service-facts dt,
.center-hero__facts span { color: rgba(255, 255, 255, .48); font-size: var(--text-xs); letter-spacing: .06em; }
.service-facts dd,
.center-hero__facts strong { margin: 0; font-size: clamp(13.5px, 1.1vw, 16px); font-weight: 600; }

/* ============================================================
   页内锚点导航（吸顶）
   ============================================================ */
.section-nav {
  position: sticky;
  z-index: 80;
  top: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(250, 249, 246, .94);
  backdrop-filter: blur(14px);
}
.section-nav .shell { display: flex; gap: clamp(20px, 2.6vw, 40px); overflow-x: auto; scrollbar-width: none; }
.section-nav .shell::-webkit-scrollbar { display: none; }
.section-nav a {
  flex: none;
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  font-size: 13.5px;
  font-weight: 600;
}
.section-nav a:hover { color: var(--ink); }
.section-nav a.is-current { color: var(--gold-deep); border-bottom-color: var(--gold); }
.section-nav ~ section[id],
.portal-channel-nav ~ section[id] { scroll-margin-top: 58px; }

/* ============================================================
   服务页共用：业务说明 / 流程 / 政策依据 / FAQ / 相关服务
   ============================================================ */
.service-overview__grid {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(40px, 6vw, 110px);
  align-items: start;
}
.service-overview__grid header h2 { margin-bottom: 0; font-size: clamp(24px, 2.6vw, 38px); }

/* 大序号流程 */
.process-flow { margin: 0; padding: 0; border-top: 1px solid var(--line-strong); list-style: none; counter-reset: step; }
.process-flow li {
  display: grid;
  grid-template-columns: 100px minmax(0, 1fr);
  gap: clamp(20px, 2.6vw, 40px);
  padding: clamp(24px, 2.8vw, 36px) 0;
  border-bottom: 1px solid var(--line);
}
.process-flow li > span {
  color: var(--gold-deep);
  font-family: var(--serif);
  font-size: clamp(34px, 3vw, 48px);
  font-weight: 700;
  line-height: 1.1;
}
.process-flow h3 { margin-bottom: 14px; font-size: clamp(18px, 1.6vw, 22px); }
.process-flow dl { display: grid; grid-template-columns: 1fr 1fr; gap: 16px clamp(24px, 3vw, 48px); margin: 0 0 14px; }
.process-flow dl div { display: grid; gap: 4px; }
.process-flow dt { color: var(--faint); font-size: var(--text-xs); }
.process-flow dd { margin: 0; color: var(--muted); font-size: 13.5px; }
.process-flow li > div > strong { color: var(--gold-deep); font-size: 12px; font-weight: 700; }

/* 政策依据卡 */
.policy-list { display: grid; gap: 16px; }
.policy-list > a {
  display: grid;
  gap: 8px;
  padding: clamp(24px, 2.8vw, 36px);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  background: var(--card);
  transition: border-color .25s ease, box-shadow .25s ease;
}
.policy-list > a:hover { border-color: rgba(185, 130, 10, .5); box-shadow: 0 18px 48px rgba(14, 36, 54, .08); }
.policy-list span { color: var(--gold-deep); font-size: 12px; font-weight: 700; letter-spacing: .06em; }
.policy-list strong { color: var(--ink); font-size: clamp(17px, 1.5vw, 20px); line-height: 1.5; }
.policy-list small { color: var(--faint); font-size: 12px; line-height: 1.7; }
.policy-list i { margin-top: 8px; color: var(--gold-deep); font-size: 13px; font-style: normal; font-weight: 700; }

/* FAQ */
.faq-section__grid,
.policy-section__grid,
.materials-section__grid {
  display: grid;
  grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr);
  gap: clamp(40px, 6vw, 110px);
  align-items: start;
}
.faq-section__grid > header,
.policy-section__grid > header,
.materials-section__grid > header { position: sticky; top: calc(var(--header-height) + 40px); }
.faq-section__grid h2,
.policy-section__grid h2,
.materials-section__grid h2 { margin-bottom: 18px; font-size: clamp(24px, 2.6vw, 38px); }
.faq-section__grid header > p:not(.eyebrow),
.policy-section__grid header > p:not(.eyebrow),
.materials-section__grid header > p:not(.eyebrow) { color: var(--muted); font-size: 14.5px; }
.faq-list,
.contact-faq__list { border-top: 1px solid var(--line-strong); }
.faq-list details,
.contact-faq__list details { border-bottom: 1px solid var(--line); }
.faq-list summary,
.contact-faq__list summary {
  min-height: 76px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px;
  gap: 20px;
  align-items: center;
  color: var(--ink);
  font-size: clamp(15.5px, 1.3vw, 18px);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}
.faq-list summary::-webkit-details-marker,
.contact-faq__list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--gold-deep); font-size: 22px; font-weight: 300; transition: transform .25s ease; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.contact-faq__list summary::after { justify-self: end; content: "+"; color: var(--gold-deep); font-size: 22px; font-weight: 300; line-height: 1; transition: transform .25s ease; }
.contact-faq__list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p,
.contact-faq__list details p { max-width: 760px; margin: -4px 40px 24px 0; color: var(--muted); font-size: 14px; }

/* ============================================================
   公共咨询卡：服务页 contact-section / 门户 portal-contact-band
   ============================================================ */
.contact-section,
.portal-contact-band {
  padding-block: clamp(52px, 7vw, 84px);
  color: #fff;
  background: var(--paper-2);
}
.contact-section__grid,
.portal-contact-band .shell {
  position: relative;
  display: grid;
  padding: clamp(36px, 4.5vw, 56px);
  overflow: hidden;
  background: var(--navy);
  box-shadow: 0 24px 64px rgba(14, 36, 54, .14);
}
.contact-section__grid::before,
.portal-contact-band .shell::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--gold) 0 18%, rgba(242, 174, 24, .14) 18% 100%);
}
.contact-section__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 88px); align-items: center; }
.contact-section .eyebrow { color: var(--muted-l); }
.contact-section h2,
.portal-contact-band h2 { margin-bottom: 0; color: #fff; font-size: clamp(24px, 2.8vw, 40px); line-height: 1.35; }
.contact-section__grid > div > p { color: var(--muted-l); font-size: 15px; }
.provider-note {
  display: grid;
  gap: 4px;
  margin: 26px 0;
  padding: 18px 22px;
  border: 1px solid var(--line-l);
  border-left: 3px solid var(--gold);
}
.provider-note strong { color: #fff; font-size: 14px; }
.provider-note span { color: var(--faint-l); font-size: var(--text-sm); }
.contact-choice { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; }
.contact-choice a,
.contact-choice > a:last-child {
  flex: 1 1 220px;
  display: grid;
  gap: 4px;
  padding: 18px 22px;
  border: 1px solid rgba(255, 255, 255, .35);
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition: border-color .25s ease, background .25s ease;
}
.contact-choice > a:last-child { color: #171c20; border-color: var(--gold); background: var(--gold); }
.contact-choice button span { color: rgba(23, 28, 32, .64); }
.contact-choice button strong { color: #171c20; }
.contact-choice a:hover { border-color: var(--gold); background: rgba(242, 174, 24, .08); }
.contact-choice > a:last-child:hover { border-color: var(--gold-bright); background: var(--gold-bright); }
.contact-choice span { color: var(--faint-l); font-size: var(--text-xs); letter-spacing: .06em; }
.contact-choice strong { color: var(--gold); font-size: clamp(18px, 1.8vw, 24px); font-weight: 700; }
.contact-section small { color: var(--faint-l); font-size: 12px; }

.portal-contact-band .shell {
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.portal-contact-band .shell > div > span { display: block; margin-bottom: 8px; color: var(--gold); font-size: var(--text-sm); font-weight: 600; letter-spacing: .06em; }
.portal-contact-band h2 { margin-bottom: 14px; font-size: clamp(22px, 2.4vw, 34px); }
.portal-contact-band p { margin-bottom: 0; color: var(--muted-l); font-size: 14.5px; }
.portal-contact-band__actions { display: grid; grid-template-columns: minmax(170px, 1fr) minmax(170px, .72fr); gap: 16px; align-items: stretch; }
.portal-contact-band__actions a,
.portal-contact-band__actions button {
  display: grid;
  gap: 3px;
  padding: 16px 22px;
  border: 1px solid rgba(255, 255, 255, .35);
  background: transparent;
  cursor: pointer;
  transition: border-color .25s ease, background .25s ease;
}
.portal-contact-band__actions > :first-child { align-content: center; padding: 8px 0; border: 0; }
.portal-contact-band__actions > :last-child { min-height: 58px; place-items: center; color: #171c20; border-color: var(--gold); background: var(--gold); text-align: center; }
.portal-contact-band__actions > :first-child:hover { background: transparent; }
.portal-contact-band__actions > :last-child:hover { border-color: var(--gold-bright); background: var(--gold-bright); }
.portal-contact-band__actions span { color: var(--faint-l); font-size: var(--text-xs); }
.portal-contact-band__actions strong { color: var(--gold); font-size: 20px; }
.portal-contact-band__button { font-size: 14px; font-weight: 700; }

/* ============================================================
   测绘页：类别簇 / 适用场景 / 条件表 / 人才板块 / 自测 / 影响因素
   ============================================================ */
.category-section { background: var(--paper-2); }
.category-clusters { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.category-clusters > section { display: flex; flex-direction: column; border: 1px solid var(--line); background: var(--card); }
.category-clusters > section > header { padding: clamp(22px, 2.4vw, 32px); border-bottom: 1px solid var(--line); }
.category-clusters > section > header > span { display: block; margin-bottom: 10px; color: var(--gold-deep); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.category-clusters > section > header > h3 { margin-bottom: 0; font-size: clamp(17px, 1.5vw, 20px); line-height: 1.5; }
.category-clusters > section > div { display: grid; align-content: start; }
.category-clusters article { padding: 18px clamp(22px, 2.4vw, 32px); }
.category-clusters article + article { border-top: 1px solid var(--line); }
.category-clusters article strong { display: block; margin-bottom: 6px; color: var(--ink); font-size: 15px; }
.category-clusters article p { margin-bottom: 0; color: var(--muted); font-size: var(--text-md); line-height: 1.8; }

.requirement-table { border-top: 1px solid var(--line-strong); }
.requirement-table > div {
  display: grid;
  grid-template-columns: .6fr 1.2fr 1fr 1fr;
  gap: clamp(16px, 2vw, 32px);
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.requirement-table > div:first-child { padding-block: 14px; }
.requirement-table [role="columnheader"],
.requirement-table > div:first-child > strong { color: var(--faint); font-size: 12px; font-weight: 700; letter-spacing: .06em; }
.requirement-table [role="cell"],
.requirement-table span { color: var(--muted); font-size: 13.5px; line-height: 1.75; }
.requirement-table span:first-child { color: var(--ink); font-weight: 700; }

/* 人才板块（墨青重音区） */
.talent-section { color: var(--ink-l); background: var(--navy); }
.talent-section__grid {
  display: grid;
  grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr);
  gap: clamp(40px, 6vw, 110px);
  align-items: start;
}
.talent-section__grid > header { position: sticky; top: calc(var(--header-height) + 40px); }
.talent-section .eyebrow--gold { color: var(--gold); }
.talent-section h2 { margin-bottom: 20px; color: #fff; font-size: clamp(26px, 3vw, 42px); }
.talent-section__grid > header > p:not(.eyebrow) { color: var(--muted-l); font-size: 14.5px; }
.talent-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.talent-card { padding: clamp(22px, 2.6vw, 34px); border: 1px solid var(--line-l); background: rgba(255, 255, 255, .04); }
.talent-card > span { display: block; margin-bottom: 12px; color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.talent-card h3 { margin-bottom: 10px; color: #fff; font-size: clamp(16px, 1.4vw, 19px); }
.talent-card p { margin-bottom: 0; color: var(--muted-l); font-size: 13.5px; }
.talent-note { margin: 22px 0 0; padding-left: 20px; border-left: 2px solid var(--gold); color: var(--faint-l); font-size: var(--text-md); line-height: 1.8; }
.talent-note strong { color: var(--gold); }

/* ============================================================
   topic 模块族（售电 / 规划 / 地灾 / 电力）
   ============================================================ */
.topic-decision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.topic-decision-grid article {
  padding: clamp(22px, 2.6vw, 34px);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  background: var(--card);
}
.topic-decision-grid h3 { margin-bottom: 10px; font-size: clamp(16px, 1.4vw, 19px); }
.topic-decision-grid article > p { color: var(--muted); font-size: 13.5px; }
.topic-decision-grid dl { display: grid; gap: 10px; margin: 0; padding-top: 14px; border-top: 1px solid var(--line); }
.topic-decision-grid dl div { display: grid; gap: 3px; }
.topic-decision-grid dt { color: var(--faint); font-size: var(--text-xs); }
.topic-decision-grid dd { margin: 0; color: var(--muted); font-size: var(--text-sm); }

.topic-rule-strip { background: var(--paper-2); }
.topic-rule-strip__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 2.4vw, 40px); }
.topic-rule-strip article { border-top: 2px solid var(--gold); padding-top: 18px; }
.topic-rule-strip article strong { display: block; margin-bottom: 8px; color: var(--ink); font-size: 14.5px; }
.topic-rule-strip article p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
.topic-rule-strip article small { display: block; margin-top: 8px; color: var(--faint); font-size: var(--text-xs); }

.topic-matrix__head { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .65fr); gap: clamp(40px, 7vw, 120px); align-items: end; margin-bottom: clamp(36px, 4vw, 56px); }
.topic-matrix__head h2 { margin-bottom: 0; font-size: clamp(24px, 2.6vw, 38px); }
.topic-matrix__head > p { margin-bottom: 0; color: var(--muted); font-size: 14.5px; }
.topic-matrix__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.topic-matrix__grid article { padding: clamp(22px, 2.6vw, 34px); border: 1px solid var(--line); background: var(--card); }
.topic-matrix__grid h3 { margin-bottom: 16px; font-size: clamp(16px, 1.4vw, 19px); }
.topic-matrix__grid dl { display: grid; gap: 10px; margin: 0; }
.topic-matrix__grid dl div { display: grid; gap: 3px; padding-top: 10px; border-top: 1px solid var(--line); }
.topic-matrix__grid dt { color: var(--faint); font-size: var(--text-xs); }
.topic-matrix__grid dd { margin: 0; color: var(--muted); font-size: var(--text-sm); }
.topic-matrix__note,
.level-comparison__note { max-width: var(--measure-note); margin: 20px 0 0; padding-left: 20px; border-left: 2px solid var(--gold); color: var(--muted); font-size: var(--text-md); }
.topic-matrix__note strong { color: var(--gold-deep); }

.topic-lifecycle { color: var(--ink-l); background: var(--navy); }
.topic-lifecycle__grid {
  display: grid;
  grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr);
  gap: clamp(40px, 6vw, 110px);
  align-items: start;
}
.topic-lifecycle__grid > header { position: sticky; top: calc(var(--header-height) + 40px); }
.topic-lifecycle .eyebrow--gold { color: var(--gold); }
.topic-lifecycle h2 { margin-bottom: 18px; color: #fff; font-size: clamp(24px, 2.6vw, 38px); }
.topic-lifecycle__grid header > p:not(.eyebrow) { color: var(--muted-l); font-size: 14.5px; }
.topic-lifecycle-list { display: grid; gap: 14px; }
.topic-lifecycle-list article { padding: 20px 24px; border: 1px solid var(--line-l); border-left: 3px solid var(--gold); background: rgba(255, 255, 255, .04); }
.topic-lifecycle-list article strong { display: block; margin-bottom: 6px; color: #fff; font-size: 15px; }
.topic-lifecycle-list article p { margin-bottom: 0; color: var(--muted-l); font-size: 13px; }

.topic-evidence__grid {
  display: grid;
  grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr);
  gap: clamp(40px, 6vw, 110px);
  align-items: start;
}
.topic-evidence__grid > header { position: sticky; top: calc(var(--header-height) + 40px); }
.topic-evidence__grid h2 { margin-bottom: 18px; font-size: clamp(24px, 2.6vw, 38px); }
.topic-evidence__grid header > p:not(.eyebrow) { color: var(--muted); font-size: 14.5px; }
.topic-evidence-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.topic-evidence-list article { padding: 18px 22px; border: 1px solid var(--line); background: var(--card); }
.topic-evidence-list article strong { display: block; margin-bottom: 6px; color: var(--ink); font-size: 14px; }
.topic-evidence-list article p { margin-bottom: 0; color: var(--muted); font-size: var(--text-sm); }

.topic-alert { padding-block: clamp(32px, 4vw, 52px); background: rgba(242, 174, 24, .08); }
.topic-alert__inner { display: grid; grid-template-columns: minmax(200px, .5fr) minmax(0, 1.5fr); gap: clamp(20px, 3vw, 56px); align-items: start; padding-left: 22px; border-left: 3px solid var(--gold); }
.topic-alert__inner strong { color: var(--gold-deep); font-size: clamp(16px, 1.5vw, 19px); }
.topic-alert__inner p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

/* 规划页等级对比 */
.level-comparison__head { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .65fr); gap: clamp(40px, 7vw, 120px); align-items: end; margin-bottom: clamp(36px, 4vw, 56px); }
.level-comparison__head h2 { margin-bottom: 0; font-size: clamp(24px, 2.6vw, 38px); }
.level-comparison__head > p { margin-bottom: 0; color: var(--muted); font-size: 14.5px; }
.level-comparison__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.level-comparison__grid article { padding: clamp(22px, 2.6vw, 34px); border: 1px solid var(--line); border-top: 3px solid var(--gold); background: var(--card); }
.level-comparison__grid h3 { margin-bottom: 14px; font-size: clamp(16px, 1.4vw, 19px); }
.level-comparison__grid ul { margin: 0; padding: 0; list-style: none; }
.level-comparison__grid li { position: relative; padding: 6px 0 6px 20px; color: var(--muted); font-size: 13.5px; }
.level-comparison__grid li::before { position: absolute; top: 15px; left: 0; width: 7px; height: 7px; content: ""; background: var(--gold); }
.level-comparison__note strong { color: var(--gold-deep); }

/* 林业页体系卡与材料清单 */
.forest-system-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.forest-system-card { padding: clamp(20px, 2.2vw, 30px); border: 1px solid var(--line); background: var(--card); }
.forest-system-card--primary { color: var(--ink-l); border-color: var(--navy); background: var(--navy); }
.forest-system-card h3 { margin-bottom: 10px; font-size: clamp(15.5px, 1.35vw, 18px); }
.forest-system-card--primary h3 { color: #fff; }
.forest-system-card > p { color: var(--muted); font-size: 13px; }
.forest-system-card--primary > p { color: var(--muted-l); }
.forest-system-card dl { display: grid; gap: 8px; margin: 0; padding-top: 12px; border-top: 1px solid var(--line); }
.forest-system-card--primary dl { border-top-color: var(--line-l); }
.forest-system-card dt { color: var(--faint); font-size: var(--text-xs); }
.forest-system-card--primary dt { color: var(--faint-l); }
.forest-system-card dd { margin: 0; color: var(--muted); font-size: var(--text-sm); }
.forest-system-card--primary dd { color: var(--muted-l); }

.material-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.material-list article { padding: 18px 22px; border: 1px solid var(--line); background: var(--card); }
.material-list article strong { display: block; margin-bottom: 6px; color: var(--ink); font-size: 14px; }
.material-list article p { margin-bottom: 0; color: var(--muted); font-size: var(--text-sm); }

/* ============================================================
   服务中心首页：总览导航 / 服务分组 / 阶段 / 边界 / 知识预览
   ============================================================ */
.service-directory .section-head { margin-bottom: clamp(32px, 4vw, 48px); }
.service-overview-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: clamp(52px, 6vw, 76px);
  border: 1px solid var(--line-strong);
  background: var(--card);
}
.service-overview-nav a {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  min-width: 0;
  padding: 20px clamp(18px, 2vw, 28px);
  border-right: 1px solid var(--line);
  transition: color .25s ease, background .25s ease;
}
.service-overview-nav a:last-child { border-right: 0; }
.service-overview-nav a:hover { background: var(--paper-2); }
.service-overview-nav a > span { color: var(--faint); font-family: var(--serif); font-size: 13px; }
.service-overview-nav small { display: block; margin-bottom: 3px; color: var(--gold-deep); font-size: var(--text-xs); font-weight: 600; letter-spacing: .08em; }
.service-overview-nav strong { display: block; overflow: hidden; color: var(--ink); font-size: 15px; line-height: 1.45; text-overflow: ellipsis; white-space: nowrap; }
.service-overview-nav i { color: var(--gold-deep); font-size: 15px; font-style: normal; }

.service-group { scroll-margin-top: 8px; margin-bottom: clamp(40px, 5vw, 64px); padding-top: clamp(28px, 3vw, 40px); border-top: 1px solid var(--line-strong); }
.service-group:last-child { margin-bottom: 0; }
.service-group > header { margin-bottom: clamp(24px, 3vw, 36px); }
.service-group > header > span { display: block; margin-bottom: 8px; color: var(--gold-deep); font-size: var(--text-xs); font-weight: 600; letter-spacing: .08em; }
.service-group > header > h3 { margin-bottom: 0; color: var(--ink); font-size: clamp(22px, 2vw, 30px); font-weight: 700; line-height: 1.4; }

.core-service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.service-feature { position: relative; min-height: clamp(320px, 28vw, 420px); display: flex; overflow: hidden; color: #fff; background: var(--bg-2); }
.service-feature img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.8) brightness(.85); transition: transform 1s var(--ease); }
.service-feature:hover img { transform: scale(1.05); }
.service-feature__shade { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(3, 9, 15, .94) 0%, rgba(3, 9, 15, .5) 52%, rgba(3, 9, 15, .1) 88%); }
.service-feature__body { position: relative; z-index: 2; align-self: flex-end; display: grid; gap: 8px; width: 100%; padding: clamp(24px, 2.8vw, 40px); }
.service-feature__body small { color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: .1em; }
.service-feature__body strong { color: #fff; font-size: clamp(20px, 1.9vw, 27px); }
.service-feature__body em { color: rgba(255, 255, 255, .72); font-size: 13.5px; font-style: normal; }
.service-meta { color: rgba(255, 255, 255, .5); font-size: 12px; }

.industry-service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.industry-service-grid > a {
  position: relative;
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  min-width: 0;
  min-height: 164px;
  padding: 16px 46px 16px 16px;
  border: 1px solid var(--line);
  background: var(--card);
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.industry-service-grid > a:hover { border-color: rgba(185, 130, 10, .5); box-shadow: 0 16px 42px rgba(14, 36, 54, .08); transform: translateY(-2px); }
.industry-service-grid__image { height: 100%; min-height: 132px; overflow: hidden; }
.industry-service-grid__image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.8); transition: transform .8s var(--ease); }
.industry-service-grid > a:hover .industry-service-grid__image img { transform: scale(1.04); }
.industry-service-grid small { display: block; margin-bottom: 6px; color: var(--gold-deep); font-size: var(--text-xs); font-weight: 600; letter-spacing: .08em; }
.industry-service-grid strong { display: block; margin-bottom: 6px; color: var(--ink); font-size: clamp(16px, 1.4vw, 19px); line-height: 1.45; }
.industry-service-grid em { display: block; margin-bottom: 8px; color: var(--muted); font-size: var(--text-sm); font-style: normal; }
.industry-service-grid .service-meta { color: var(--faint); }
.industry-service-grid > a > i { position: absolute; top: 20px; right: 20px; color: var(--gold-deep); font-style: normal; }

.support-service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.support-service-grid a { display: flex; min-height: 250px; flex-direction: column; padding: clamp(22px, 2.4vw, 32px); border: 1px solid var(--line); border-top: 2px solid var(--gold-deep); background: var(--card); transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease; }
.support-service-grid a:hover { border-color: rgba(185, 130, 10, .5); box-shadow: 0 18px 48px rgba(14, 36, 54, .08); transform: translateY(-2px); }
.support-service-grid small { display: block; margin-bottom: 10px; color: var(--gold-deep); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.support-service-grid strong { display: block; margin-bottom: 8px; color: var(--ink); font-size: clamp(16px, 1.4vw, 19px); }
.support-service-grid p { flex: 1; margin-bottom: 16px; color: var(--muted); font-size: 13px; }
.support-service-grid .service-meta { color: var(--faint); font-size: 12px; }
.support-service-grid i { margin-top: 18px; color: var(--gold-deep); font-style: normal; }

.stage-section { background: var(--paper-2); }
.stage-section__grid { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.stage-section__grid > header { position: sticky; top: calc(var(--header-height) + 40px); }
.stage-section__grid h2 { margin-bottom: 18px; font-size: clamp(24px, 2.6vw, 38px); }
.stage-section__grid header > p:not(.eyebrow) { color: var(--muted); font-size: 14.5px; }
.stage-list { display: grid; gap: 14px; }
.stage-list article { padding: clamp(20px, 2.4vw, 30px); border: 1px solid var(--line); border-left: 3px solid var(--gold); background: var(--card); }
.stage-list h3 { margin-bottom: 8px; font-size: clamp(16px, 1.4vw, 19px); }
.stage-list p { color: var(--muted); font-size: 13.5px; }
.stage-list a { color: var(--gold-deep); font-size: 13px; font-weight: 700; }
.stage-list a:hover { color: var(--gold); }

.boundary-section__grid { display: grid; grid-template-columns: minmax(280px, .6fr) minmax(0, 1.1fr) minmax(260px, .5fr); gap: clamp(32px, 4vw, 72px); align-items: start; }
.boundary-section__grid > header h2 { margin-bottom: 0; font-size: clamp(22px, 2.4vw, 34px); }
.boundary-table { border-top: 1px solid var(--line-strong); }
.boundary-table > div { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: clamp(16px, 2vw, 32px); padding: 14px 0; border-bottom: 1px solid var(--line); }
.boundary-table > div:first-child strong { color: var(--faint); font-size: 12px; letter-spacing: .06em; }
.boundary-table strong { color: var(--muted); font-size: 13px; font-weight: 500; }
.boundary-table > div > strong:first-child { color: var(--ink); font-weight: 700; }
.boundary-section__grid aside { padding: 20px 24px; border: 1px solid var(--line); border-top: 3px solid var(--gold); background: var(--card); }
.boundary-section__grid aside strong { color: var(--ink); font-size: 14px; }
.boundary-section__grid aside p { margin: 10px 0 0; color: var(--muted); font-size: 13px; }

.knowledge-preview__grid { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.knowledge-preview__grid > header { position: sticky; top: calc(var(--header-height) + 40px); }
.knowledge-preview__grid h2 { margin-bottom: 18px; font-size: clamp(24px, 2.6vw, 38px); }
.knowledge-preview__grid header > p:not(.eyebrow) { color: var(--muted); font-size: 14.5px; }
.knowledge-list { border-top: 1px solid var(--line-strong); }
.knowledge-list article { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 22px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.knowledge-list article > strong,
.knowledge-list article > p:first-child { margin: 0; color: var(--gold-deep); font-size: 12px; font-weight: 700; }
.knowledge-list h3 { margin: 0 0 6px; font-size: clamp(15.5px, 1.35vw, 18px); font-weight: 600; line-height: 1.55; }
.knowledge-list h3 a:hover { color: var(--gold-deep); }
.knowledge-list article p:last-child { margin: 0; color: var(--faint); font-size: var(--text-sm); }

/* ============================================================
   案例族：索引 / 分类档案 / 文章详情
   ============================================================ */
.case-index-masthead {
  position: relative;
  isolation: isolate;
  padding-block: calc(var(--header-height) + clamp(48px, 6vw, 72px)) clamp(48px, 6vw, 72px);
  color: #fff;
  background:
    linear-gradient(90deg, rgba(5, 14, 25, .94) 0%, rgba(5, 14, 25, .76) 52%, rgba(5, 14, 25, .32) 100%),
    linear-gradient(0deg, rgba(5, 14, 25, .58), rgba(5, 14, 25, .08)),
    url("assets/case-cover.webp") center 52% / cover no-repeat,
    var(--navy);
}
.case-index-masthead__inner { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .72fr); gap: clamp(40px, 6vw, 104px); align-items: end; }
.case-index-masthead .breadcrumb { grid-column: 1 / -1; margin-bottom: clamp(16px, 2vw, 24px); }
.case-index-masthead h1 { margin-bottom: 0; color: #fff; font-size: clamp(34px, 4vw, 56px); }
.case-index-masthead .eyebrow--gold { color: var(--gold); }
.case-index-masthead__intro { padding-left: clamp(22px, 2.8vw, 36px); border-left: 1px solid rgba(255, 255, 255, .24); }
.case-index-masthead__intro p { margin-top: 0; color: var(--muted-l); font-size: 15px; line-height: 1.9; }
.case-index-masthead__intro a { color: var(--gold); font-size: 13px; font-weight: 700; }
.case-index-masthead__intro a:hover { color: var(--gold-bright); }

.case-index-section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .72fr); gap: clamp(40px, 7vw, 112px); align-items: end; margin-bottom: clamp(32px, 4vw, 52px); }
.case-index-section-head h2 { margin-bottom: 0; font-size: clamp(25px, 2.7vw, 38px); }
.case-index-section-head > div:last-child > p,
.case-index-section-head > p { max-width: 520px; margin: 12px 0 0; color: var(--muted); font-size: 13.5px; }

.case-index-category-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.case-index-category {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(24px, 3vw, 38px);
  background: var(--card);
}
.case-index-category:last-child:nth-child(odd) { grid-column: 1 / -1; min-height: 160px; }
.case-index-category:last-child:nth-child(odd) p { max-width: 680px; }
.case-index-category > div > span { display: block; margin-bottom: 10px; color: var(--gold-deep); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.case-index-category h3 { margin-bottom: 10px; font-size: clamp(17px, 1.55vw, 21px); }
.case-index-category p { margin-bottom: 0; color: var(--muted); font-size: 13.5px; }
.case-index-category > strong { color: var(--faint); font-size: 12.5px; font-weight: 600; }
.case-index-category.is-ready { transition: color .25s ease, background .25s ease; }
.case-index-category.is-ready > strong { color: var(--gold-deep); }
.case-index-category.is-ready i { margin-left: 8px; }
.case-index-category.is-ready:hover { color: var(--ink); background: #fff; }
.case-index-category.is-ready:hover h3 { color: var(--gold-deep); }

.case-index-library { background: var(--paper-2); }
.case-index-entry { display: grid; grid-template-columns: minmax(360px, 1.05fr) minmax(0, .95fr); gap: clamp(30px, 5vw, 76px); align-items: center; }
.case-index-entry__media { display: block; overflow: hidden; aspect-ratio: 16 / 10; background: var(--paper-2); }
.case-index-entry__media { position: relative; }
.case-index-entry__media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85); transition: transform 1s var(--ease); }
.case-index-entry__media > span { position: absolute; right: 16px; bottom: 16px; padding: 5px 8px; color: rgba(255, 255, 255, .86); background: rgba(5, 14, 25, .7); font-size: 11px; letter-spacing: .05em; }
.case-index-entry:hover .case-index-entry__media img { transform: scale(1.05); }
.case-index-entry__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; margin-bottom: 12px; color: var(--gold-deep); font-size: 12px; font-weight: 700; }
.case-index-entry__meta time { padding-left: 12px; color: var(--faint); border-left: 1px solid var(--line-strong); font-weight: 500; }
.case-index-entry h3 { margin-bottom: 12px; font-size: clamp(19px, 1.8vw, 25px); line-height: 1.5; }
.case-index-entry h3 a:hover { color: var(--gold-deep); }
.case-index-entry__body > p:not(.case-index-entry__meta) { color: var(--muted); font-size: 14px; line-height: 1.9; }

.case-index-editorial { padding-block: clamp(64px, 8vw, 110px); border-block: 1px solid var(--line); background: var(--card); }
.case-index-editorial__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(40px, 6vw, 110px); }
.case-index-editorial h2 { margin-bottom: 0; font-family: var(--serif); font-size: clamp(24px, 2.8vw, 40px); line-height: 1.45; }
.case-index-editorial__copy p { color: var(--muted); font-size: 14.5px; }
.case-index-editorial__copy a { color: var(--gold-deep); font-size: 13px; font-weight: 700; border-bottom: 1px solid currentColor; }

.case-archive .case-content-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.case-draft-note p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.case-draft-note strong { display: block; margin-top: 10px; color: var(--ink); font-size: 13.5px; }
.case-article-stream { display: grid; gap: clamp(28px, 3.4vw, 44px); }
.case-archive-item { display: grid; grid-template-columns: minmax(220px, .9fr) minmax(0, 1.1fr); gap: clamp(20px, 2.6vw, 40px); align-items: center; }
.case-archive-item__media { display: block; overflow: hidden; aspect-ratio: 16 / 10; background: var(--paper-2); }
.case-archive-item__media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.85); transition: transform 1s var(--ease); }
.case-archive-item:hover .case-archive-item__media img { transform: scale(1.05); }
.case-archive-item__media--empty { display: grid; place-items: center; border: 1px dashed var(--line-strong); }
.case-archive-item__media--empty strong { color: var(--faint); font-size: 12px; font-weight: 500; }
.case-archive-item__meta { margin-bottom: 10px; color: var(--gold-deep); font-size: 12px; font-weight: 700; }
.case-archive-item h3 { margin-bottom: 10px; font-size: clamp(16.5px, 1.45vw, 20px); line-height: 1.5; }
.case-archive-item h3 a:hover { color: var(--gold-deep); }
.case-archive-item__body > p:not(.case-archive-item__meta) { color: var(--muted); font-size: 13.5px; }

.portal-empty-state { padding: clamp(36px, 5vw, 60px); border: 1px dashed var(--line-strong); text-align: center; }
.portal-empty-state h3 { margin-bottom: 10px; font-size: 18px; }
.portal-empty-state p { color: var(--muted); font-size: 13.5px; }
.portal-empty-state a { color: var(--gold-deep); font-size: 13px; font-weight: 700; }

/* 侧栏模块（案例 / 文章共用） */
.content-sidebar { display: grid; gap: 16px; align-content: start; position: sticky; top: calc(var(--header-height) + 40px); }
.sidebar-module { padding: clamp(20px, 2.4vw, 30px); border: 1px solid var(--line); background: var(--card); }
.sidebar-module__label { margin-bottom: 12px; color: var(--gold-deep); font-size: var(--text-xs); font-weight: 600; letter-spacing: .08em; }
.sidebar-module h2 { margin-bottom: 10px; font-size: 16.5px; }
.sidebar-module p { color: var(--muted); font-size: 13px; }
.sidebar-links a { display: block; padding: 10px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 13.5px; }
.sidebar-links a:hover { color: var(--gold-deep); }
.sidebar-consult { color: var(--ink-l); border-color: var(--navy); background: var(--navy); }
.sidebar-consult .sidebar-module__label { color: var(--gold); }
.sidebar-consult h2 { color: #fff; }
.sidebar-consult p { color: var(--muted-l); }
.sidebar-consult .button { width: 100%; margin-top: 10px; }

/* 案例文章详情 */
.article-detail-head { padding-block: calc(var(--header-height) + clamp(48px, 7vw, 88px)) clamp(40px, 5vw, 64px); background: var(--paper-2); border-bottom: 1px solid var(--line); }
.article-detail-head__inner { max-width: none; }
.article-detail-head__inner > * { max-width: 900px; }
.article-detail-head h1 { margin: 14px 0 20px; font-size: clamp(26px, 3.2vw, 44px); line-height: 1.35; }
.article-detail-head__meta { margin-bottom: 0; color: var(--gold-deep); font-size: 12.5px; font-weight: 700; }
.article-detail-head__meta a:hover { color: var(--gold); }
.article-detail-head__excerpt { margin-bottom: 0; color: var(--muted); font-size: clamp(15px, 1.2vw, 17px); line-height: 1.95; }
.article-prototype-note { padding-block: 18px; background: rgba(242, 174, 24, .08); }
.article-prototype-note .shell { display: flex; gap: 18px; align-items: baseline; }
.article-prototype-note strong { flex: none; color: var(--gold-deep); font-size: 12.5px; }
.article-prototype-note p { margin: 0; color: var(--muted); font-size: var(--text-sm); }
.article-cover { margin-top: clamp(32px, 4vw, 56px); }
.article-cover img { width: 100%; max-height: 520px; object-fit: cover; }
.article-cover figcaption { margin-top: 10px; color: var(--faint); font-size: 12.5px; }
.article-detail-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.article-entry__footer { margin-top: clamp(36px, 4vw, 56px); padding-top: 24px; border-top: 1px solid var(--line); }
.article-entry__footer > p { margin: 16px 0 0; color: var(--faint); font-size: 12.5px; }
.article-related { background: var(--paper-2); }
.article-related__head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: clamp(28px, 3.4vw, 44px); }
.article-related__head h2 { margin-bottom: 0; font-size: clamp(22px, 2.4vw, 32px); }
.article-related__head > a { color: var(--gold-deep); font-size: 13px; font-weight: 700; }
.article-related__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.article-related__grid a { display: grid; gap: 8px; padding: clamp(20px, 2.4vw, 30px); border: 1px solid var(--line); background: var(--card); transition: border-color .25s ease; }
.article-related__grid a:hover { border-color: rgba(185, 130, 10, .5); }
.article-related__grid strong { color: var(--ink); font-size: 15px; line-height: 1.6; }
.article-related__grid a:hover strong { color: var(--gold-deep); }

/* ============================================================
   门户族：墨青横幅 / 频道导航 / 侧栏 / 联系带
   ============================================================ */
.portal-banner { padding-block: calc(var(--header-height) + clamp(32px, 4vw, 52px)) clamp(32px, 4vw, 48px); color: #fff; background: var(--navy); }
.portal-banner .breadcrumb { color: var(--faint-l); }
.portal-banner .breadcrumb a:hover { color: #fff; }
.portal-banner__label { margin-bottom: 16px; color: var(--gold); font-size: 13px; font-weight: 700; letter-spacing: .12em; }
.portal-banner h1 { margin-bottom: 18px; color: #fff; font-size: clamp(28px, 3.4vw, 48px); }
.portal-banner__inner > div > p:last-child,
.portal-banner p:last-child { max-width: 680px; margin-bottom: 0; color: var(--muted-l); font-size: 15px; }
.portal-banner--compact { padding-block: calc(var(--header-height) + clamp(36px, 5vw, 60px)) clamp(32px, 4vw, 48px); }
.portal-banner--knowledge { padding-block: calc(var(--header-height) + clamp(32px, 4vw, 44px)) clamp(34px, 4vw, 46px); }

.portal-channel-nav { position: sticky; z-index: 80; top: var(--header-height); border-bottom: 1px solid var(--line); background: rgba(250, 249, 246, .94); backdrop-filter: blur(14px); }
.portal-channel-nav .shell { display: flex; gap: clamp(20px, 2.6vw, 40px); overflow-x: auto; scrollbar-width: none; }
.portal-channel-nav .shell::-webkit-scrollbar { display: none; }
.portal-channel-nav a { flex: none; min-height: 58px; display: inline-flex; align-items: center; color: var(--muted); border-bottom: 2px solid transparent; font-size: 13.5px; font-weight: 600; }
.portal-channel-nav a:hover { color: var(--ink); }
.portal-channel-nav a.is-current { color: var(--gold-deep); border-bottom-color: var(--gold); }

.portal-section { padding-block: clamp(56px, 7vw, 96px); }
.portal-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.portal-main-column { display: grid; gap: clamp(48px, 6vw, 72px); }
.portal-sidebar { display: grid; gap: 16px; align-content: start; }
.portal-sidebar--sticky { position: sticky; top: calc(var(--header-height) + 40px); }
.portal-section-title { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: clamp(24px, 3vw, 36px); }
.portal-section-title > div > span { display: block; margin-bottom: 8px; color: var(--gold-deep); font-size: 12.5px; font-weight: 700; letter-spacing: .05em; }
.portal-section-title h2 { margin-bottom: 0; font-size: clamp(20px, 2.2vw, 28px); }
.portal-section-title > a { color: var(--gold-deep); font-size: 13px; font-weight: 700; }
.portal-section-title--described { align-items: start; }
.portal-section-title--described > div { max-width: 720px; }
.portal-section-title--described p { margin: 12px 0 0; color: var(--muted); font-size: 14px; }

.portal-lead-story { display: grid; grid-template-columns: minmax(220px, .95fr) minmax(0, 1.05fr); gap: clamp(20px, 2.6vw, 40px); align-items: center; padding-bottom: clamp(24px, 3vw, 36px); border-bottom: 1px solid var(--line-strong); }
.portal-lead-story__image { position: relative; display: block; overflow: hidden; aspect-ratio: 16 / 10; background: var(--paper-2); }
.portal-lead-story__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease); }
.portal-lead-story__image span { position: absolute; z-index: 2; top: 16px; left: 16px; padding: 6px 9px; color: #fff; background: rgba(14, 36, 54, .86); font-size: 11.5px; font-weight: 700; letter-spacing: .05em; }
.portal-lead-story:hover .portal-lead-story__image img { transform: scale(1.05); }
.portal-lead-story h3 { margin-bottom: 10px; font-size: clamp(18px, 1.7vw, 23px); line-height: 1.5; }
.portal-lead-story h3 a:hover { color: var(--gold-deep); }
.portal-lead-story__copy > p:not(.portal-meta) { color: var(--muted); font-size: 13.5px; }

.portal-news-list { display: grid; }
.portal-news-list article { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.portal-news-list article > time { display: grid; align-content: start; gap: 2px; color: var(--faint); font-size: 12px; line-height: 1.4; }
.portal-news-list article > time strong { color: var(--ink); font-family: var(--font-display); font-size: 24px; font-weight: 600; line-height: 1; }
.portal-news-list h3 { margin: 0 0 4px; font-size: 15.5px; font-weight: 600; line-height: 1.55; }
.portal-news-list h3 a:hover { color: var(--gold-deep); }
.portal-news-list article p:not(:first-child) { margin: 0; color: var(--faint); font-size: var(--text-sm); }

.portal-category-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.knowledge-portal-page .portal-categories { scroll-margin-top: calc(var(--header-height) + 58px); }
.portal-category-grid article { min-height: 100%; display: flex; flex-direction: column; padding: clamp(20px, 2.4vw, 30px); border: 1px solid var(--line); background: var(--card); }
.portal-category-grid__head { margin-bottom: 10px; }
.portal-category-grid__head h3 { margin-bottom: 0; font-size: 16.5px; }
.portal-category-grid article > p { color: var(--muted); font-size: 13px; }
.portal-category-grid ul { margin: 0 0 14px; padding: 0; list-style: none; }
.portal-category-grid li a { display: block; padding: 8px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.portal-category-grid li a:hover { color: var(--gold-deep); }
.portal-category-grid article > .portal-text-link { align-self: flex-start; margin-top: auto; }

.portal-topic-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.portal-topic-grid a { position: relative; display: block; min-height: 200px; overflow: hidden; color: #fff; background: var(--bg-2); }
.portal-topic-grid img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.8) brightness(.6); transition: transform 1s var(--ease); }
.portal-topic-grid a:hover img { transform: scale(1.05); }
.portal-topic-grid span { position: absolute; z-index: 2; top: 18px; left: 22px; color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: .06em; }
.portal-topic-grid strong { position: absolute; z-index: 2; right: 22px; bottom: 20px; left: 22px; color: #fff; font-size: 16px; }

.portal-side-module { padding: clamp(20px, 2.4vw, 30px); border: 1px solid var(--line); background: var(--card); }
.portal-side-module h2 { margin-bottom: 12px; font-size: 16px; }
.portal-side-module > a { display: block; padding: 10px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 13.5px; }
.portal-side-module > a:hover,
.portal-side-module > a.is-current { color: var(--gold-deep); }
.portal-side-module > a span { float: right; color: var(--faint); }
.portal-side-module p { color: var(--muted); font-size: 13px; }
.portal-source-module a { display: flex; justify-content: space-between; gap: 10px; }
.portal-ranking { margin: 0; padding: 0; list-style: none; counter-reset: rank; }
.portal-ranking li { counter-increment: rank; }
.portal-ranking a { display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; line-height: 1.6; }
.portal-ranking a::before { content: counter(rank, decimal-leading-zero); color: var(--gold-deep); font-family: var(--serif); font-size: 16px; font-weight: 700; }
.portal-ranking a:hover { color: var(--gold-deep); }
.portal-side-note { padding: clamp(18px, 2.2vw, 26px); border-left: 3px solid var(--gold); background: rgba(242, 174, 24, .07); }
.portal-side-note strong { display: block; margin-bottom: 8px; color: var(--gold-deep); font-size: 13px; }
.portal-side-note p { margin: 0; color: var(--muted); font-size: var(--text-sm); }
.portal-side-contact { padding: clamp(20px, 2.4vw, 30px); color: var(--ink-l); background: var(--navy); }
.portal-side-contact span { display: block; margin-bottom: 6px; color: var(--muted-l); font-size: 13px; }
.portal-side-contact strong { display: block; margin-bottom: 6px; color: var(--gold); font-size: 21px; }
.portal-side-contact p { color: var(--faint-l); font-size: 12px; }
.portal-side-contact button { min-height: 46px; width: 100%; margin-top: 8px; color: #171c20; border: 0; background: var(--gold); font-size: 13.5px; font-weight: 700; cursor: pointer; }

/* 文章列表页 */
.portal-list-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: clamp(24px, 3vw, 36px); }
.portal-list-heading h2 { margin-bottom: 8px; font-size: clamp(20px, 2.2vw, 28px); }
.portal-list-heading p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
.portal-list-heading form { display: grid; grid-template-columns: minmax(180px, 1fr) auto; gap: 8px; }
.portal-list-heading input { min-height: 46px; padding: 0 14px; border: 1px solid var(--line-strong); border-radius: 0; outline: 0; background: var(--card); }
.portal-list-heading input:focus { border-color: var(--gold); }
.portal-list-heading button { min-height: 46px; padding: 0 18px; color: #171c20; border: 0; background: var(--gold); font-size: 13px; font-weight: 700; cursor: pointer; }
.standard-article-list { display: grid; gap: clamp(24px, 3vw, 36px); }
.standard-article-list article { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 20px; padding-bottom: clamp(20px, 2.4vw, 28px); border-bottom: 1px solid var(--line); }
.standard-article-list article > time { display: grid; align-content: start; gap: 2px; color: var(--faint); font-size: 12px; line-height: 1.4; }
.standard-article-list article > time strong { color: var(--ink); font-family: var(--font-display); font-size: 30px; font-weight: 600; line-height: 1; }
.standard-article-list article > strong { color: var(--gold-deep); font-size: 12px; font-weight: 700; }
.standard-article-list h3 { margin: 0 0 6px; font-size: clamp(15.5px, 1.4vw, 18px); font-weight: 600; line-height: 1.55; }
.standard-article-list h3 a:hover { color: var(--gold-deep); }
.standard-article-list article p:last-child { margin: 0; color: var(--faint); font-size: var(--text-sm); }
.standard-article-list article.standard-article-list__featured { grid-template-columns: minmax(220px, .9fr) minmax(0, 1.1fr); align-items: center; }
.standard-article-list__thumb { display: block; overflow: hidden; aspect-ratio: 16 / 10; background: var(--paper-2); }
.standard-article-list__thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================================
   政策标准文章页
   ============================================================ */
.standard-policy-head { padding-block: calc(var(--header-height) + clamp(32px, 4vw, 52px)) clamp(40px, 5vw, 64px); background: var(--paper-2); border-bottom: 1px solid var(--line); }
.standard-policy-head__inner { max-width: none; }
.standard-policy-head__inner > * { max-width: 900px; }
.standard-policy-head h1 { margin: 16px 0 20px; font-size: clamp(26px, 3.2vw, 44px); line-height: 1.35; }
.standard-policy-head__summary { margin-bottom: 22px; color: var(--muted); font-size: clamp(15px, 1.2vw, 17px); line-height: 1.95; }
.standard-policy-head__info { display: flex; flex-wrap: wrap; gap: 8px 24px; color: var(--faint); font-size: 12.5px; }
.standard-policy-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: clamp(40px, 6vw, 110px); align-items: start; padding-block: clamp(48px, 6vw, 80px); }
.standard-policy-main { display: grid; gap: clamp(32px, 4vw, 48px); }
.policy-info-panel { display: grid; grid-template-columns: minmax(180px, .5fr) minmax(0, 1.2fr); gap: clamp(24px, 3vw, 48px); padding: clamp(22px, 2.8vw, 36px); border: 1px solid var(--line); border-top: 3px solid var(--gold); background: var(--card); }
.policy-info-panel > div > span { display: block; margin-bottom: 8px; color: var(--gold-deep); font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.policy-info-panel h2 { margin-bottom: 0; font-size: clamp(18px, 1.7vw, 23px); }
.policy-info-panel dl { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; margin: 0; }
.policy-info-panel dt { margin-bottom: 4px; color: var(--ink); font-size: 13.5px; font-weight: 700; }
.policy-info-panel dd { margin: 0; color: var(--muted); font-size: var(--text-sm); }
.policy-info-panel > p { grid-column: 1 / -1; margin: 0; padding-top: 14px; border-top: 1px solid var(--line); color: var(--faint); font-size: var(--text-sm); }
.standard-policy-footer { padding-top: 24px; border-top: 1px solid var(--line); }
.standard-policy-footer > p { margin: 16px 0 0; color: var(--faint); font-size: 12.5px; }
.standard-related header { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; margin-bottom: 8px; }
.standard-related h2 { margin-bottom: 0; font-size: clamp(18px, 1.7vw, 23px); }
.standard-related header a { color: var(--gold-deep); font-size: 13px; font-weight: 700; }
.standard-related ul { margin: 0; padding: 0; list-style: none; }
.standard-related li { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.standard-related li a { color: var(--ink); font-size: 14.5px; }
.standard-related li a:hover { color: var(--gold-deep); }
.standard-related time { flex: none; color: var(--faint); font-size: 12px; }

/* ============================================================
   品牌族（关于我们 / 联系我们）
   ============================================================ */
.brand-intro { padding-block: clamp(56px, 7vw, 96px); }
.brand-intro__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(40px, 6vw, 110px); align-items: center; }
.brand-intro__copy h2 { margin-bottom: 20px; font-size: clamp(24px, 2.6vw, 38px); }
.brand-intro__copy p { color: var(--muted); font-size: 15px; }
.brand-intro__visual { margin: 0; }
.brand-intro__visual img { width: 100%; }
.brand-intro__visual figcaption { margin-top: 10px; color: var(--faint); font-size: 12.5px; }

.brand-audience { padding-block: clamp(56px, 7vw, 96px); background: var(--paper-2); }
.brand-audience__grid { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.brand-audience__grid > header h2 { margin-bottom: 16px; font-size: clamp(24px, 2.6vw, 38px); }
.brand-audience__grid > header > p:not(.eyebrow) { color: var(--muted); font-size: 14.5px; }
.brand-audience__list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.brand-audience__list article { padding: clamp(20px, 2.4vw, 30px); border: 1px solid var(--line); border-top: 3px solid var(--gold); background: var(--card); }
.brand-audience__list h3 { margin-bottom: 10px; font-size: 16px; }
.brand-audience__list article > p { color: var(--muted); font-size: 13px; }
.brand-audience__list ul { margin: 0; padding: 12px 0 0; border-top: 1px solid var(--line); list-style: none; }
.brand-audience__list li { padding: 5px 0; color: var(--muted); font-size: var(--text-sm); }

.brand-services { padding-block: clamp(56px, 7vw, 96px); }
.brand-service-groups { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.brand-service-group { padding: clamp(24px, 2.8vw, 40px); border: 1px solid var(--line); background: var(--card); transition: border-color .25s ease, box-shadow .25s ease; }
a.brand-service-group:hover { border-color: rgba(185, 130, 10, .5); box-shadow: 0 18px 48px rgba(14, 36, 54, .08); }
.brand-service-group--primary { color: var(--ink-l); border-color: var(--navy); background: var(--navy); }
.brand-service-group h3 { margin-bottom: 10px; font-size: clamp(17px, 1.5vw, 21px); }
.brand-service-group--primary h3 { color: #fff; }
.brand-service-group p { color: var(--muted); font-size: 13.5px; }
.brand-service-group--primary p { color: var(--muted-l); }
.brand-service-group strong { color: var(--gold-deep); font-size: 13px; }
.brand-service-group--primary strong { color: var(--gold); }
.brand-service-group a { color: var(--gold-deep); font-size: 13px; font-weight: 700; }

.brand-scenarios { padding-block: clamp(56px, 7vw, 96px); background: var(--paper-2); }
.brand-scenario-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 2.4vw, 40px); }
.brand-scenario-list article { border-top: 2px solid var(--gold); padding-top: 18px; }
.brand-scenario-list strong { display: block; margin-bottom: 8px; color: var(--ink); font-size: 14.5px; }
.brand-scenario-list p { margin-bottom: 0; color: var(--muted); font-size: 13px; }

.brand-method { padding-block: clamp(56px, 7vw, 96px); }
.brand-method__grid { display: grid; grid-template-columns: minmax(280px, .6fr) minmax(0, 1fr) minmax(260px, .5fr); gap: clamp(32px, 4vw, 72px); align-items: start; }
.brand-method__grid > header h2 { margin-bottom: 16px; font-size: clamp(24px, 2.3vw, 34px); line-height: 1.4; text-wrap: pretty; }
.brand-method__grid > header > p:not(.eyebrow) { color: var(--muted); font-size: 14px; }
.brand-method__list { margin: 0; padding: 0; border-top: 1px solid var(--line-strong); list-style: none; }
.brand-method__list li { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 20px; align-items: start; padding: 22px 0; border-bottom: 1px solid var(--line); }
.brand-method__list li > span { color: var(--gold-deep); font-family: var(--serif); font-size: 30px; font-weight: 700; line-height: 1.2; }
.brand-method__list h3 { margin-bottom: 6px; font-size: 17px; line-height: 1.5; }
.brand-method__list p { margin-bottom: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.brand-method__outputs { padding: clamp(20px, 2.4vw, 30px); border: 1px solid var(--line); border-top: 3px solid var(--gold); background: var(--card); }
.brand-method__outputs > strong { display: block; margin-bottom: 12px; color: var(--ink); font-size: 14.5px; }
.brand-method__outputs ul { margin: 0 0 14px; padding: 0; list-style: none; }
.brand-method__outputs li { position: relative; padding: 6px 0 6px 20px; color: var(--muted); font-size: 13px; }
.brand-method__outputs li::before { position: absolute; top: 15px; left: 0; width: 7px; height: 7px; content: ""; background: var(--gold); }
.brand-method__outputs p { margin: 0; color: var(--faint); font-size: 12px; }

.brand-facts { padding-block: clamp(56px, 7vw, 96px); color: var(--ink-l); background: var(--navy); }
.brand-facts__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.brand-facts .eyebrow { color: var(--muted-l); }
.brand-facts__statement h2 { margin-bottom: 18px; color: #fff; font-size: clamp(24px, 2.6vw, 38px); }
.brand-facts__statement > p { color: var(--muted-l); font-size: 14.5px; }
.brand-facts__statement .button { margin-top: 14px; }
.brand-facts__list { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin: 0; background: var(--line-l); border: 1px solid var(--line-l); }
.brand-facts__list > div { display: grid; gap: 4px; padding: 20px 24px; background: var(--navy); }
.brand-facts__list dt { color: var(--faint-l); font-size: var(--text-xs); }
.brand-facts__list dd { margin: 0; color: var(--ink-l); font-size: 14px; font-weight: 600; }

.brand-coverage { padding-block: clamp(56px, 7vw, 96px); }
.brand-coverage__grid { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.brand-coverage__grid > header h2 { margin-bottom: 16px; font-size: clamp(24px, 2.6vw, 38px); }
.brand-coverage__grid > header > p:not(.eyebrow) { color: var(--muted); font-size: 14.5px; }
.brand-coverage__grid dl { display: grid; gap: 10px; margin: 24px 0 0; }
.brand-coverage__grid dl div { display: grid; gap: 3px; padding-top: 10px; border-top: 1px solid var(--line); }
.brand-coverage__grid dt { color: var(--faint); font-size: var(--text-xs); }
.brand-coverage__grid dd { margin: 0; color: var(--ink); font-size: 14px; font-weight: 600; }
.brand-industry-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.brand-industry-list article { padding: 18px 22px; border: 1px solid var(--line); background: var(--card); }
.brand-industry-list p { margin: 0; color: var(--muted); font-size: 13px; }

.brand-next { padding-block: clamp(48px, 6vw, 80px); background: var(--paper-2); }
.brand-next__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 110px); align-items: center; }
.brand-next__grid h2 { margin-bottom: 0; font-size: clamp(22px, 2.4vw, 34px); }
.brand-next__grid nav { display: grid; gap: 2px; background: var(--line); border: 1px solid var(--line); }
.brand-next__grid nav a { display: flex; justify-content: space-between; align-items: center; padding: 20px 26px; background: var(--card); color: var(--ink); font-size: 15px; font-weight: 600; }
.brand-next__grid nav a:hover { color: var(--gold-deep); }
.brand-next__grid nav a strong { font-weight: 600; }

/* 联系页 */
.contact-channels { padding-block: clamp(56px, 7vw, 96px); }
.contact-channel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.contact-channel-grid a { padding: clamp(20px, 2.4vw, 32px); border: 1px solid var(--line); background: var(--card); transition: border-color .25s ease, box-shadow .25s ease; }
.contact-channel-grid a:hover { border-color: rgba(185, 130, 10, .5); box-shadow: 0 18px 48px rgba(14, 36, 54, .08); }
.contact-channel-grid strong { display: block; margin-bottom: 8px; color: var(--ink); font-size: 15.5px; }
.contact-channel-grid p { margin-bottom: 0; color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }

.contact-main { padding-block: clamp(56px, 7vw, 96px); background: var(--paper-2); }
.contact-main__grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.contact-details > header h2 { margin-bottom: 16px; font-size: clamp(22px, 2.4vw, 34px); }
.contact-details > header > p { color: var(--muted); font-size: 14px; }
.contact-detail-list { margin: 24px 0; border-top: 1px solid var(--line-strong); }
.contact-detail-list > div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 24px; align-items: start; padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-detail-list dt { padding-top: 7px; color: var(--faint); font-size: var(--text-xs); line-height: 1.5; }
.contact-detail-list dd { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px; align-items: center; min-width: 0; margin: 0; }
.contact-detail-list__content { display: grid; gap: 3px; min-width: 0; }
.contact-detail-list__value { color: var(--ink); font-size: 15.5px; font-weight: 600; line-height: 1.65; overflow-wrap: anywhere; }
a.contact-detail-list__value:hover { color: var(--gold-deep); }
.contact-detail-list__note { color: var(--muted); font-size: 12.5px; line-height: 1.65; }
.copy-action { width: 86px; min-height: 40px; display: inline-flex; gap: 9px; align-items: center; justify-content: center; padding: 0 12px; color: var(--gold-deep); border: 0; border-left: 1px solid var(--line); background: transparent; font-size: 12px; font-weight: 700; cursor: pointer; transition: color .2s ease, background-color .2s ease; }
.copy-action::before { width: 11px; height: 13px; flex: 0 0 auto; content: ""; border: 1px solid currentColor; box-shadow: 3px -3px 0 -1px var(--paper-2), 3px -3px 0 0 currentColor; }
.copy-action:hover { color: var(--ink); background: rgba(14, 36, 54, .04); }
.copy-action:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.copy-action[data-copy-state="success"] { color: #2f6c52; }
.copy-action[data-copy-state="error"] { color: #9c3f32; }
.contact-preparation { padding: clamp(20px, 2.4vw, 30px); border: 1px solid var(--line); border-top: 3px solid var(--gold); background: var(--card); }
.contact-preparation > strong { display: block; margin-bottom: 12px; font-size: 14.5px; }
.contact-preparation ul { margin: 0; padding: 0; list-style: none; }
.contact-preparation li { position: relative; padding: 6px 0 6px 20px; color: var(--muted); font-size: 13px; }
.contact-preparation li::before { position: absolute; top: 15px; left: 0; width: 7px; height: 7px; content: ""; background: var(--gold); }

.contact-visit { padding-block: clamp(56px, 7vw, 96px); }
.contact-visit__grid { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.contact-visit__address h2 { margin-bottom: 16px; font-size: clamp(22px, 2.4vw, 34px); }
.contact-visit__address > p { color: var(--muted); font-size: 14.5px; }
.contact-visit__address > div { margin-top: 20px; padding: 18px 22px; border-left: 3px solid var(--gold); background: var(--paper-2); }
.contact-visit__address > div strong { font-size: 14.5px; line-height: 1.8; }
.contact-visit__notes { display: grid; gap: 14px; }
.contact-visit__notes article { padding: 20px 24px; border: 1px solid var(--line); background: var(--card); }
.contact-visit__notes h3 { margin-bottom: 6px; font-size: 15px; }
.contact-visit__notes p { margin-bottom: 0; color: var(--muted); font-size: 13px; }

.contact-wechat { padding-block: clamp(56px, 7vw, 96px); background: var(--paper-2); }
.contact-qr-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.contact-qr-grid article { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 18px; align-items: center; padding: 20px; border: 1px solid var(--line); background: var(--card); }
.contact-qr-placeholder { width: 110px; aspect-ratio: 1; display: grid; place-items: center; color: var(--faint); border: 6px solid #fff; outline: 1px solid var(--line); background: var(--paper-2); font-size: 11px; }
.contact-qr-grid h3 { margin-bottom: 6px; font-size: 14.5px; }
.contact-qr-grid article p { margin-bottom: 0; color: var(--muted); font-size: var(--text-sm); }

.contact-notice { padding-block: clamp(48px, 6vw, 80px); }
.contact-notice__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 110px); }
.contact-notice__grid h2 { margin-bottom: 0; font-size: clamp(20px, 2.2vw, 30px); }
.contact-notice__grid p { color: var(--muted); font-size: 14px; }

.contact-faq { padding-block: clamp(56px, 7vw, 96px); background: var(--paper-2); }
.contact-faq__grid { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.contact-faq__grid > header h2 { margin-bottom: 0; font-size: clamp(22px, 2.4vw, 34px); }

/* ============================================================
   搜索页
   ============================================================ */
.search-standard-head { padding-block: calc(var(--header-height) + clamp(32px, 4vw, 52px)) clamp(36px, 5vw, 56px); background: var(--paper-2); border-bottom: 1px solid var(--line); }
.search-standard-head h1 { margin-bottom: 24px; font-size: clamp(26px, 3.2vw, 44px); }
.search-standard-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; max-width: 720px; }
.search-standard-form input { min-height: 58px; padding: 0 18px; color: var(--ink); border: 1px solid var(--line-strong); border-radius: 0; outline: 0; background: var(--card); font-size: 15px; }
.search-standard-form input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(242, 174, 24, .15); }
.search-standard-form button { min-height: 58px; padding: 0 32px; color: #171c20; border: 0; background: var(--gold); font-weight: 700; cursor: pointer; }
.search-result-heading { margin-bottom: clamp(24px, 3vw, 36px); }
.search-result-heading h2 { margin-bottom: 8px; font-size: clamp(20px, 2.2vw, 28px); }
.search-result-heading p { margin-bottom: 0; color: var(--muted); font-size: 13.5px; }
.standard-search-list { display: grid; }
.standard-search-list article { padding: 20px 0; border-bottom: 1px solid var(--line); }
.standard-search-list h3 { margin-bottom: 6px; font-size: clamp(16px, 1.4vw, 19px); font-weight: 600; }
.standard-search-list h3 a:hover { color: var(--gold-deep); }
.standard-search-list article > p:not(.portal-meta) { color: var(--muted); font-size: 13.5px; }
.standard-search-list mark { color: inherit; background: rgba(242, 174, 24, .3); }
.search-empty { padding: clamp(32px, 4vw, 48px); color: var(--muted); border: 1px dashed var(--line-strong); text-align: center; font-size: 14px; }
.portal-keywords { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.portal-keywords a { padding: 5px 12px; color: var(--muted); border: 1px solid var(--line-strong); font-size: 12px; }
.portal-keywords a:hover { color: var(--gold-deep); border-color: var(--gold-deep); }

/* ============================================================
   404
   ============================================================ */
.not-found-hero { padding-block: calc(var(--header-height) + clamp(32px, 4vw, 52px)) clamp(48px, 6vw, 80px); color: #fff; background: var(--navy); }
.not-found-hero__grid { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); align-items: center; }
.not-found-code { color: rgba(255, 255, 255, .14); font-family: var(--serif); font-size: clamp(110px, 16vw, 220px); font-weight: 700; line-height: 1; }
.not-found-copy h1 { margin-bottom: 16px; color: #fff; font-size: clamp(24px, 2.8vw, 40px); }
.not-found-copy > p { max-width: 560px; color: var(--muted-l); font-size: 15px; }
.not-found-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.not-found-button { color: #fff; border-color: rgba(255, 255, 255, .4); background: transparent; }
.not-found-button:hover { color: #171c20; border-color: #fff; background: #fff; }
.not-found-find { padding-block: clamp(48px, 6vw, 80px); }
.not-found-find__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 110px); align-items: start; }
.not-found-find h2 { margin-bottom: 20px; font-size: clamp(20px, 2.2vw, 30px); }
.not-found-search { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }
.not-found-search input { min-height: 54px; padding: 0 16px; border: 1px solid var(--line-strong); border-radius: 0; outline: 0; background: var(--card); }
.not-found-search input:focus { border-color: var(--gold); }
.not-found-search button { min-height: 54px; padding: 0 26px; color: #171c20; border: 0; background: var(--gold); font-weight: 700; cursor: pointer; }
.not-found-find__grid nav { display: grid; gap: 2px; background: var(--line); border: 1px solid var(--line); }
.not-found-find__grid nav a { display: flex; justify-content: space-between; padding: 16px 22px; background: var(--card); color: var(--ink); font-size: 14px; }
.not-found-find__grid nav a:hover { color: var(--gold-deep); }
.not-found-services { padding-block: clamp(48px, 6vw, 80px); background: var(--paper-2); }
.not-found-service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.not-found-service-grid a { padding: 18px 22px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font-size: 14px; font-weight: 600; }
.not-found-service-grid a:hover { color: var(--gold-deep); border-color: rgba(185, 130, 10, .5); }
.not-found-help { margin-top: 24px; padding: 20px 24px; border-left: 3px solid var(--gold); background: var(--card); }
.not-found-help p { margin-bottom: 6px; color: var(--muted); font-size: 13.5px; }
.not-found-help a { color: var(--gold-deep); font-weight: 700; }

/* ============================================================
   返回顶部
   ============================================================ */
.back-to-top {
  position: fixed;
  z-index: 90;
  right: clamp(16px, 3vw, 40px);
  bottom: clamp(16px, 3vw, 40px);
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  gap: 0;
  color: #fff;
  border: 1px solid var(--line-strong-l);
  background: rgba(8, 21, 39, .92);
  box-shadow: 0 12px 32px rgba(14, 36, 54, .12);
  backdrop-filter: blur(10px);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s ease;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.back-to-top span { font-size: 18px; line-height: 1; }
.back-to-top:hover { color: #171c20; border-color: var(--gold); background: var(--gold); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1180px) {
  :root { --header-height: 80px; }
  .site-header__inner { grid-template-columns: minmax(170px, 210px) minmax(0, 1fr) auto; gap: 24px; }
  .site-nav { gap: 18px; }
  .site-nav > a, .site-nav__group > a { font-size: 14px; }
  .search-toggle { min-width: 50px; padding-inline: 13px; }
  .search-toggle span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
  .category-clusters,
  .topic-decision-grid,
  .topic-matrix__grid,
  .material-list,
  .article-related__grid,
  .brand-audience__list,
  .contact-channel-grid { grid-template-columns: repeat(2, 1fr); }
  .forest-system-grid,
  .topic-rule-strip__grid,
  .brand-scenario-list { grid-template-columns: repeat(2, 1fr); }
  .topic-rule-strip__grid { gap: 28px 20px; }
  .brand-method__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); }
  .brand-method__grid > header { grid-column: 1 / -1; }
  .boundary-section__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); }
  .boundary-section__grid aside { grid-column: 1 / -1; }
  .site-footer__top { grid-template-columns: 1.45fr repeat(2, .64fr) 1.08fr; }
}

@media (max-width: 900px) {
  :root { --header-height: 72px; }
  .shell { width: min(calc(100% - 40px), var(--shell)); }
  .site-header__inner { grid-template-columns: minmax(150px, 200px) 1fr auto auto; }
  .nav-toggle {
    grid-column: 3;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, .4);
    background: transparent;
    cursor: pointer;
  }
  .nav-toggle span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); }
  .nav-toggle i,
  .nav-toggle i::before,
  .nav-toggle i::after { width: 20px; height: 1.5px; display: block; content: ""; background: currentColor; transition: transform .25s ease, opacity .25s ease; }
  .nav-toggle i::before { transform: translateY(-6px); }
  .nav-toggle i::after { transform: translateY(4.5px); }
  .nav-toggle[aria-expanded="true"] i { background: transparent; }
  .nav-toggle[aria-expanded="true"] i::before { transform: translateY(0) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] i::after { transform: translateY(-1.5px) rotate(-45deg); }
  .site-nav {
    position: absolute;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
    padding: 12px 20px 26px;
    color: var(--ink);
    border-top: 1px solid var(--line);
    background: rgba(250, 249, 246, .98);
  }
  .site-nav.is-open {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    justify-content: stretch;
    align-content: start;
    gap: 0;
    height: calc(100dvh - var(--header-height));
    background: var(--paper);
  }
  .site-nav > a, .site-nav__group > a { min-height: 54px; padding-inline: 4px; border-bottom: 1px solid var(--line); color: var(--ink); font-size: 16px; }
  .site-nav a::after { display: none; }
  .site-nav__group { display: block; }
  .site-nav__panel {
    position: static;
    width: auto;
    max-height: none;
    overflow: visible;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 10px 0 16px;
    border-top: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
  .site-nav__panel a { min-height: 48px; padding: 8px 10px; font-size: 13px; }
  .site-nav__panel small { display: none; }
  .search-toggle { grid-column: 4; }
  .search-panel__inner { min-height: 0; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; padding-block: 16px 20px; }
  .search-panel label { grid-column: 1; grid-row: 1; align-self: center; }
  .search-panel__close { position: static; grid-column: 2; grid-row: 1; justify-self: end; }
  .search-panel input { grid-column: 1; grid-row: 2; font-size: 16px; }
  .search-panel button[type="submit"] { grid-column: 2; grid-row: 2; }
  .search-panel [role="status"] { grid-column: 1 / -1; grid-row: 3; margin: 0; }

  .section-head--split,
  .brand-section-head,
  .topic-matrix__head,
  .level-comparison__head,
  .case-index-section-head { grid-template-columns: 1fr; gap: 20px; align-items: start; }
  .service-overview__grid,
  .faq-section__grid,
  .policy-section__grid,
  .materials-section__grid,
  .talent-section__grid,
  .stage-section__grid,
  .knowledge-preview__grid,
  .topic-lifecycle__grid,
  .topic-evidence__grid,
  .brand-audience__grid,
  .brand-coverage__grid,
  .contact-visit__grid,
  .contact-faq__grid { grid-template-columns: 1fr; }
  .faq-section__grid > header,
  .policy-section__grid > header,
  .materials-section__grid > header,
  .talent-section__grid > header,
  .stage-section__grid > header,
  .knowledge-preview__grid > header,
  .topic-lifecycle__grid > header,
  .topic-evidence__grid > header,
  .content-sidebar,
  .portal-sidebar--sticky,
  .industry-service-grid,
  .support-service-grid { grid-template-columns: 1fr; }
  .support-service-grid a { min-height: auto; }
  .service-facts,
  .center-hero__facts { grid-template-columns: repeat(2, 1fr); }
  .service-facts > div:nth-child(odd),
  .center-hero__facts > p:nth-child(odd) { border-left: 0; padding-left: 0; }
  .contact-section__grid,
  .portal-contact-band .shell,
  .case-index-masthead__inner,
  .case-index-editorial__grid,
  .brand-intro__grid,
  .brand-facts__grid,
  .brand-next__grid,
  .contact-main__grid,
  .contact-notice__grid,
  .not-found-find__grid { grid-template-columns: 1fr; }
  .portal-layout,
  .article-detail-layout,
  .standard-policy-layout,
  .case-archive .case-content-layout,
  .case-index-entry { grid-template-columns: 1fr; }
  .policy-info-panel { grid-template-columns: 1fr; }
  .brand-method__grid { grid-template-columns: 1fr; }
  .brand-service-groups { grid-template-columns: 1fr; }
  .case-archive-item,
  .portal-lead-story,
  .standard-article-list article.standard-article-list__featured { grid-template-columns: 1fr; }
  .case-index-entry__media,
  .case-archive-item__media,
  .portal-lead-story__image,
  .standard-article-list__thumb { max-width: 520px; }
  .site-footer__top { grid-template-columns: repeat(3, 1fr); }
  .site-footer__brand { grid-column: 1 / -1; }
  .case-index-masthead__intro { padding-left: 0; border-left: 0; }
}

@media (max-width: 640px) {
  :root { --header-height: 66px; --section-space: 44px; }
  h1 br, h2 br { display: none; }
  .case-index-category-grid { grid-template-columns: 1fr; }
  .case-index-category,
  .case-index-category:last-child:nth-child(odd) { min-height: auto; grid-column: auto; }
  .site-header__inner { grid-template-columns: minmax(140px, 1fr) auto auto; gap: 8px; }
  .site-brand { width: 164px; }
  .nav-toggle { grid-column: 2; width: 42px; height: 42px; }
  .search-toggle { grid-column: 3; min-width: 42px; min-height: 42px; padding: 0; }
  .search-panel input { min-height: 50px; }
  .search-panel button[type="submit"] { min-height: 50px; padding-inline: 18px; }
  .portal-list-heading { flex-direction: column; align-items: stretch; gap: 16px; }
  .portal-list-heading form { width: 100%; grid-template-columns: minmax(0, 1fr) auto; }

  .service-hero,
  .center-hero,
  .case-category-hero { min-height: 0; }
  .service-hero__facts,
  .service-facts { grid-template-columns: 1fr 1fr; }
  .service-facts > div { padding: 14px 14px 16px; }
  .service-facts > div:nth-child(odd) { border-left: 0; padding-left: 0; }

  .category-clusters,
  .topic-decision-grid,
  .topic-matrix__grid,
  .material-list,
  .article-related__grid,
  .brand-audience__list,
  .contact-channel-grid,
  .forest-system-grid,
  .topic-rule-strip__grid,
  .brand-scenario-list,
  .core-service-grid,
  .service-overview-nav,
  .talent-grid,
  .topic-evidence-list,
  .level-comparison__grid,
  .portal-category-grid,
  .portal-topic-grid,
  .brand-industry-list,
  .brand-facts__list,
  .contact-qr-grid,
  .not-found-service-grid { grid-template-columns: 1fr; }
  .service-overview-nav a { border-right: 0; border-bottom: 1px solid var(--line); }
  .service-overview-nav a:last-child { border-bottom: 0; }
  .industry-service-grid > a { grid-template-columns: 1fr; padding: 16px 44px 24px 16px; }
  .industry-service-grid__image { height: auto; min-height: 0; aspect-ratio: 16 / 7; }
  .process-flow li { grid-template-columns: 56px minmax(0, 1fr); gap: 16px; }
  .process-flow dl { grid-template-columns: 1fr; }
  .requirement-table > div { grid-template-columns: 1fr; gap: 6px; padding: 16px 0; }
  .requirement-table > div:first-child { display: none; }
  .knowledge-list article,
  .portal-news-list article,
  .standard-article-list article { grid-template-columns: 1fr; gap: 6px; }
  .policy-info-panel dl { grid-template-columns: 1fr; }
  .article-post-nav,
  .standard-post-nav { grid-template-columns: 1fr; }
  .article-post-nav a:last-child,
  .standard-post-nav a:last-child { text-align: left; }
  .not-found-hero__grid { grid-template-columns: 1fr; }
  .not-found-code { font-size: clamp(90px, 28vw, 140px); }
  .contact-detail-list > div { grid-template-columns: 1fr; gap: 8px; padding: 18px 0; }
  .contact-detail-list dt { padding-top: 0; }
  .contact-detail-list dd { grid-template-columns: minmax(0, 1fr) 82px; gap: 12px; }
  .contact-detail-list dd:not(:has(.copy-action)) { grid-template-columns: 1fr; }
  .copy-action { width: 82px; align-self: start; }
  .contact-qr-grid article { grid-template-columns: 1fr; }
  .contact-section,
  .portal-contact-band { padding-block: 40px; }
  .contact-section__grid,
  .portal-contact-band .shell { padding: 28px 24px; }
  .portal-contact-band__actions { grid-template-columns: 1fr; gap: 12px; }
  .portal-contact-band__actions > :first-child { padding-block: 4px 12px; }
  .site-footer__top { grid-template-columns: 1fr; gap: 28px; padding-block: 44px 32px; }
  .site-footer__brand { grid-column: auto; }
  .site-footer__bottom { min-height: 104px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 8px; }
}

/* ============================================================
   减少动态偏好
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}