/* ==========================================================================
   另起一行广告传媒 · 官网模板样式（PC 主样式，含平板适配）
   - 设计语言：编辑部式排版 + 暖白纸感 + 信号橙强调
   - 不依赖任何 CSS 框架，单文件约 40KB，利于首屏与 SEO
   ========================================================================== */

/* ---------- 1. 变量与基础 ---------- */
:root {
  --ink: #00041a;
  --ink-2: #141b3a;
  --ink-3: #2a3560;
  --paper: #ffffff;
  --paper-2: #f4f6fb;
  --white: #ffffff;
  --line: #e6e9f2;
  --line-dark: rgba(255, 255, 255, .12);
  --muted: #5b6478;
  --muted-2: #8a93a6;
  --accent: #2c68ff;
  --accent-2: #2c68ff;
  --red: #e1251b;
  --orange: #ff6531;
  --green: #28ffb6;
  --navy: #00041a;
  --ok: #12b76a;
  --radius: 2px;
  --radius-lg: 2px;
  --shadow-sm: 0 1px 3px rgba(10, 20, 60, .08);
  --shadow-md: 0 12px 32px -12px rgba(10, 20, 60, .2);
  --shadow-lg: 0 24px 64px -32px rgba(10, 20, 60, .35);
  --max: 1280px;
  --gut: 40px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --header-h: 84px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Microsoft YaHei Light", "Source Han Sans SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

img { max-width: 100%; height: auto; border: 0; display: block; }

a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
a:hover { color: var(--accent); }

ul, ol { margin: 0; padding: 0; list-style: none; }
figure, blockquote, dl, dd { margin: 0; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 600; line-height: 1.2; letter-spacing: -.01em; }
p { margin: 0; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
svg { display: block; }

::selection { background: var(--accent); color: #fff; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gut); }
.wrap-wide { max-width: 1480px; }
.section { padding: 112px 0; position: relative; }
.section-sm { padding: 72px 0; }
.bg-paper2 { background: var(--paper-2); }
.bg-ink { background: var(--ink); color: #fff; }
.bg-white { background: var(--white); }

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

.skip-link {
  position: fixed; left: 16px; top: -80px; z-index: 999;
  background: var(--ink); color: #fff; padding: 10px 18px; border-radius: var(--radius);
  transition: top .2s;
}
.skip-link:focus { top: 16px; color: #fff; }

/* ---------- 2. 排版组件 ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--muted-2); font-weight: 400;
}
.eyebrow::before {
  content: ""; width: 24px; height: 3px; background: var(--accent); display: inline-block;
}
.bg-ink .eyebrow, .page-hero .eyebrow { color: rgba(255, 255, 255, .55); }

.display {
  font-size: clamp(34px, 4.2vw, 64px);
  line-height: 1.06; font-weight: 600; letter-spacing: -.01em;
}
.display-sm {
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.12; font-weight: 600; letter-spacing: -.01em;
}
.section-head { margin-bottom: 56px; }
.section-head .display-sm { margin-top: 18px; }
.section-head p { margin-top: 16px; color: var(--muted); max-width: 640px; font-size: 17px; }
.section-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.section-head-row .more-link { margin-bottom: 8px; }

.lead { font-size: 18px; line-height: 1.9; color: var(--muted); }

.more-link {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 600; letter-spacing: .04em;
  border-bottom: 1px solid currentColor; padding-bottom: 4px;
}
.more-link svg { transition: transform .25s var(--ease); }
.more-link:hover svg { transform: translateX(4px); }

/* ---------- 3. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 28px; border-radius: var(--radius);
  font-size: 15px; font-weight: 600; letter-spacing: .02em;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.btn svg { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn-solid { background: var(--accent); color: #fff; }
.btn-solid:hover { background: #1e54d6; color: #fff; transform: translateY(-2px); }
.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: var(--ink-3); color: #fff; transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255, 255, 255, .32); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: #fff; color: var(--ink); }
.btn-outline { border-color: var(--ink); color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-sm { height: 42px; padding: 0 20px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- 4. 顶部导航 ---------- */
.topbar {
  background: var(--ink); color: rgba(255, 255, 255, .72);
  font-size: 13px; height: 38px; display: flex; align-items: center;
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.topbar a { color: inherit; }
.topbar a:hover { color: #fff; }
.topbar-left { display: flex; align-items: center; gap: 22px; }
.topbar-left span { display: inline-flex; align-items: center; gap: 7px; }
.topbar-left svg { width: 14px; height: 14px; opacity: .8; }
.topbar-right { display: flex; align-items: center; gap: 20px; }
.topbar-right .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px rgba(31, 157, 107, .2); }

.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .95);
  backdrop-filter: saturate(1.4) blur(14px);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid transparent;
  transition: background .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .98);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 24px -16px rgba(26, 26, 26, .15);
}
.header-inner {
  height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 32px;
  transition: height .3s var(--ease);
}
.site-header.is-scrolled .header-inner { height: 68px; }

.brand { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.brand img { height: 42px; width: auto; transition: height .3s var(--ease); }
.site-header.is-scrolled .brand img { height: 38px; }
.brand-text { display: none; }

.main-nav { display: flex; align-items: center; gap: 0; }
.main-nav > li { position: relative; flex: 0 0 auto; }
.main-nav > li > a {
  display: inline-flex; align-items: center; gap: 5px; white-space: nowrap;
  padding: 10px 13px; font-size: 14.5px; font-weight: 600; color: var(--ink);
  border-radius: var(--radius); transition: background .25s, color .25s;
}
.main-nav > li > a:hover, .main-nav > li.is-active > a { background: var(--paper-2); color: var(--accent); }
.main-nav .caret { width: 10px; height: 10px; opacity: .45; transition: transform .25s; }
.main-nav > li.has-sub:hover .caret { transform: rotate(180deg); }

.mega {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 8px);
  min-width: 300px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  padding: 12px; opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}
.mega::before { content: ""; position: absolute; left: 0; right: 0; top: -16px; height: 16px; }

.main-nav > li.has-sub:hover .mega,
.main-nav > li.has-sub:focus-within .mega {
  opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0);
}
.mega a {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px 14px; border-radius: var(--radius); font-size: 14.5px; color: var(--ink-2);
}
.mega a:hover { background: var(--paper); color: var(--accent); }
.mega a span { color: var(--muted-2); font-size: 12px; font-family: Consolas, monospace; }

.header-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.header-tel { display: flex; flex-direction: column; line-height: 1.15; margin-right: 6px; }
.header-tel small { font-size: 11px; color: var(--muted); letter-spacing: .08em; }
.header-tel strong { font-size: 19px; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.header-tel strong a:hover { color: var(--accent); }
.icon-btn {
  width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 50%; background: #fff; color: var(--ink);
  transition: all .25s var(--ease);
}
.icon-btn:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.icon-btn svg { width: 18px; height: 18px; }

.nav-toggle { display: none; }

/* 搜索浮层 */
.search-layer {
  position: fixed; inset: 0; z-index: 120; background: rgba(11, 13, 18, .96);
  display: flex; align-items: center; justify-content: center; padding: 24px;
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
}
.search-layer.is-open { opacity: 1; visibility: visible; }
.search-layer form { width: min(680px, 100%); }
.search-layer label { display: block; color: rgba(255, 255, 255, .6); font-size: 13px; letter-spacing: .18em; text-transform: uppercase; margin-bottom: 18px; }
.search-field { display: flex; align-items: center; gap: 14px; border-bottom: 2px solid rgba(255, 255, 255, .28); padding-bottom: 14px; }
.search-field input {
  flex: 1; background: none; border: 0; outline: 0; color: #fff; font-size: clamp(22px, 3vw, 34px); font-weight: 600;
}
.search-field input::placeholder { color: rgba(255, 255, 255, .32); }
.search-field button { color: #fff; }
.search-field svg { width: 26px; height: 26px; }
.search-close { position: absolute; top: 28px; right: 32px; color: #fff; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; }
.search-hot { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 10px; }
.search-hot a { color: rgba(255, 255, 255, .62); font-size: 13px; border: 1px solid rgba(255, 255, 255, .18); padding: 6px 12px; border-radius: var(--radius); }
.search-hot a:hover { color: #fff; border-color: #fff; }

/* 移动端抽屉 */
.drawer-mask {
  position: fixed; inset: 0; z-index: 110; background: rgba(11, 13, 18, .6);
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
}
.drawer-mask.is-open { opacity: 1; visibility: visible; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 111; width: min(380px, 88vw);
  background: var(--paper); padding: 26px 26px 40px; overflow-y: auto;
  transform: translateX(100%); transition: transform .4s var(--ease);
}
.drawer.is-open { transform: none; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.drawer-head img { height: 40px; }
.drawer nav > ul > li { border-bottom: 1px solid var(--line); }
.drawer nav > ul > li > a { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; font-size: 18px; font-weight: 600; }
.drawer .sub { padding: 0 0 12px 14px; }
.drawer .sub a { display: block; padding: 7px 0; font-size: 14.5px; color: var(--muted); }
.drawer-foot { margin-top: 30px; display: grid; gap: 12px; }

/* ---------- 5. 首页 Hero ---------- */
.hero {
  position: relative; background: var(--paper); color: var(--ink); overflow: hidden;
  padding: 64px 0 0;
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center;
  padding-bottom: 74px;
}
.hero h1 {
  font-size: clamp(44px, 5.4vw, 82px); line-height: 1.02; font-weight: 600; letter-spacing: -.01em;
  margin: 22px 0 0;
}
.hero h1 em { font-style: normal; color: var(--accent-2); }
.hero .lead { color: var(--muted); font-weight: 300; max-width: 560px; margin-top: 26px; font-size: 17.5px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.hero-note { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 22px; color: var(--muted-2); font-size: 13px; }
.hero-note span { display: inline-flex; align-items: center; gap: 8px; }
.hero-note svg { width: 15px; height: 15px; color: var(--accent-2); }

.hero-visual { position: relative; min-height: 480px; }
.hero-slides { position: relative; height: 480px; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transform: scale(1.04);
  transition: opacity .9s var(--ease), transform 1.2s var(--ease);
  border-radius: var(--radius-lg); overflow: hidden;
}
.hero-slide.is-active { opacity: 1; transform: none; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide::after { content: ""; position: absolute; inset: 0; background: rgba(17, 17, 17, 0); }
.hero-slide-cap {
  position: absolute; left: 16px; right: 16px; bottom: 16px; z-index: 2;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  color: #fff; font-size: 14px; background: rgba(0, 4, 26, .85); padding: 10px 16px;
}
.hero-slide-cap span { font-family: Consolas, monospace; font-size: 12px; letter-spacing: .16em; color: rgba(255, 255, 255, .6); }
.hero-dots { position: absolute; right: 0; bottom: -30px; display: flex; gap: 8px; }
.hero-dots button { width: 26px; height: 3px; background: rgba(26, 26, 26, .15); border-radius: 1px; transition: background .3s; }
.hero-dots button.is-active { background: var(--accent); }
.hero-badge {
  position: absolute; left: -26px; top: 34px; z-index: 3;
  background: var(--red); color: #fff; padding: 16px 20px; border-radius: var(--radius);
  font-size: 13px; line-height: 1.5; max-width: 190px; box-shadow: var(--shadow-md);
}
.hero-badge strong { display: block; font-size: 30px; line-height: 1; margin-bottom: 6px; letter-spacing: -.01em; }

.hero-marquee {
  position: relative; border-top: 1px solid var(--line-dark); padding: 22px 0;
  overflow: hidden; white-space: nowrap;
}
.marquee-track { display: inline-flex; align-items: center; gap: 42px; animation: marquee 34s linear infinite; }
.hero-marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-size: 15px; color: rgba(255, 255, 255, .5); letter-spacing: .1em; display: inline-flex; align-items: center; gap: 42px; }
.marquee-track span::after { content: "✳"; color: var(--accent); font-size: 12px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 6. 服务矩阵 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.svc-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 30px 30px; min-height: 260px; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.svc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.svc-card .num {
  font-family: Consolas, monospace; font-size: 12px; letter-spacing: .2em; color: var(--muted-2);
}
.svc-card h3 { font-size: 26px; margin-top: 44px; letter-spacing: -.01em; }
.svc-card h3 a:hover { color: var(--accent); }
.svc-card p { color: var(--muted); font-size: 14.5px; margin-top: 10px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.svc-card .go { margin-top: 26px; display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.svc-card .go svg { width: 15px; height: 15px; transition: transform .3s var(--ease); }
.svc-card:hover .go svg { transform: translateX(5px); }
.svc-card .bgimg {
  position: absolute; right: -40px; bottom: -40px; width: 190px; height: 190px; border-radius: 50%;
  object-fit: cover; opacity: .1; transition: opacity .4s, transform .6s var(--ease);
}
.svc-card:hover .bgimg { opacity: .22; transform: scale(1.08); }
.svc-more { background: var(--accent); color: #fff; border-color: var(--accent); }
.svc-more:hover { background: #1e54d6; }
.svc-more .num { color: rgba(255, 255, 255, .7); }
.svc-more h3, .svc-more h3 a { color: #fff; }
.svc-more p { color: rgba(255, 255, 255, .55); }
.svc-more .go { color: var(--accent-2); }

/* ---------- 7. 作品/案例 ---------- */
.filter-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-tabs button {
  padding: 9px 18px; border-radius: var(--radius); border: 1px solid var(--line);
  font-size: 14px; color: var(--muted); background: transparent; transition: all .25s;
}
.filter-tabs button:hover { color: var(--ink); border-color: var(--ink); }
.filter-tabs button.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }

.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.work-card {
  position: relative; display: block; background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--line); transition: transform .45s var(--ease), box-shadow .45s var(--ease), opacity .3s;
}
.work-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.work-card .thumb { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-2); }
.work-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.work-card:hover .thumb img { transform: scale(1.06); }
.work-card .thumb::after {
  content: none;
  opacity: 0; transition: opacity .4s;
}
.work-card:hover .thumb img { transform: scale(1.06); }
.work-card .meta { padding: 22px 22px 24px; }
.work-card .cat { font-size: 12px; letter-spacing: .12em; color: var(--accent); font-weight: 600; text-transform: uppercase; }
.work-card h3 { font-size: 18px; line-height: 1.45; margin-top: 8px; font-weight: 600; }
.work-card .date { display: block; margin-top: 14px; font-size: 12.5px; color: var(--muted-2); font-family: Consolas, monospace; }
.work-card.is-hidden { display: none; }

.work-cta-row { display: flex; justify-content: center; margin-top: 48px; }

/* ---------- 8. 数据带 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line-dark); border-bottom: 1px solid var(--line-dark); }
.stat { padding: 44px 28px; border-right: 1px solid var(--line-dark); }
.stat:last-child { border-right: 0; }
.stat strong {
  display: block; font-size: clamp(38px, 4.4vw, 62px); line-height: 1; font-weight: 600; letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}
.stat strong em { font-style: normal; color: var(--green); font-size: .62em; margin-left: 2px; }
.stat span { display: block; margin-top: 14px; color: rgba(255, 255, 255, .55); font-size: 14px; letter-spacing: .04em; }

/* ---------- 9. 流程 ---------- */
.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; counter-reset: step; }
.step { position: relative; padding: 0 22px 0 30px; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: Consolas, monospace; font-size: 13px; color: var(--accent); letter-spacing: .18em;
}
.step::after {
  content: ""; position: absolute; top: 9px; left: 46px; right: 16px; height: 1px;
  background: var(--line);
}
.step:last-child::after { display: none; }
.step h3 { font-size: 19px; margin-top: 26px; }
.step p { color: var(--muted); font-size: 14px; margin-top: 10px; line-height: 1.7; }
.step .dot {
  position: absolute; top: 4px; left: 0; width: 11px; height: 11px; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--accent);
}

/* ---------- 10. 优势 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.adv {
  display: flex; gap: 22px; padding: 30px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); transition: box-shadow .35s, transform .35s;
}
.adv:hover { box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.adv .ico {
  flex: 0 0 52px; width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--paper-2); color: var(--accent);
}
.adv .ico svg { width: 24px; height: 24px; }
.adv h3 { font-size: 18px; }
.adv p { color: var(--muted); font-size: 14.5px; margin-top: 8px; }

/* ---------- 11. 新闻 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column; transition: transform .4s var(--ease), box-shadow .4s;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.news-card .thumb { aspect-ratio: 16 / 10; overflow: hidden; background: var(--paper-2); }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.news-card:hover .thumb img { transform: scale(1.05); }
.news-card .body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-card time { font-family: Consolas, monospace; font-size: 12.5px; color: var(--muted-2); letter-spacing: .06em; }
.news-card h3 { font-size: 18px; line-height: 1.5; margin-top: 10px; font-weight: 600; }
.news-card p { color: var(--muted); font-size: 14px; margin-top: 10px; flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-card .go { margin-top: 18px; font-size: 13px; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }

/* ---------- 12. FAQ（基于 Bootstrap Collapse） ---------- */
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 26px 0; text-align: left; font-size: 18px; font-weight: 600; line-height: 1.5;
}
.faq-q .plus { flex: 0 0 22px; width: 22px; height: 22px; position: relative; }
.faq-q .plus::before, .faq-q .plus::after {
  content: ""; position: absolute; background: var(--ink); transition: transform .3s var(--ease), background .3s;
}
.faq-q .plus::before { left: 0; top: 10px; width: 22px; height: 2px; }
.faq-q .plus::after { left: 10px; top: 0; width: 2px; height: 22px; }
.faq-item.is-open .faq-q { color: var(--accent); }
.faq-item.is-open .faq-q .plus::before { background: var(--accent); }
.faq-item.is-open .faq-q .plus::after { transform: rotate(90deg); opacity: 0; }
.faq-a .inner { padding: 0 40px 26px 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.faq-a a { color: var(--accent); font-weight: 600; }

/* ---------- 13. CTA ---------- */
.cta-band { background: var(--accent); color: #fff; position: relative; overflow: hidden; }
.cta-band::after {
  content: ""; position: absolute; right: -120px; top: -120px; width: 460px; height: 460px; border-radius: 50%;
  background: rgba(255, 255, 255, .1);
}
.cta-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.25fr .75fr; gap: 48px; align-items: center; padding: 76px 0; }
.cta-inner h2 { font-size: clamp(30px, 3.6vw, 50px); line-height: 1.1; letter-spacing: -.01em; font-weight: 600; }
.cta-inner p { margin-top: 16px; color: rgba(255, 255, 255, .82); font-size: 16px; }
.cta-actions { display: flex; flex-direction: column; gap: 12px; }
.cta-tel { font-size: clamp(26px, 2.6vw, 38px); font-weight: 600; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.cta-tel small { display: block; font-size: 12px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; color: rgba(255, 255, 255, .7); margin-bottom: 6px; }
.cta-band .btn-ghost:hover { color: var(--accent); }

/* ---------- 14. 页脚 ---------- */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, .6); padding: 72px 0 0; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr) 1.2fr; gap: 40px; padding-bottom: 56px; }
.footer-brand img { height: 46px; margin-bottom: 22px; background: #fff; padding: 8px 10px; border-radius: 4px; }
.footer-brand p { max-width: 320px; line-height: 1.9; }
.footer-col h4 { color: #fff; font-size: 14px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 20px; font-weight: 600; }
.footer-col li { margin-bottom: 11px; }
.footer-col a:hover { color: #fff; }
.footer-contact { display: grid; gap: 14px; }
.footer-contact .label { font-size: 12px; color: rgba(255, 255, 255, .38); letter-spacing: .08em; }
.footer-contact .val { color: #fff; font-size: 15px; }
.footer-tel { font-size: 24px; font-weight: 600; color: #fff; letter-spacing: -.01em; font-variant-numeric: tabular-nums; }
.footer-qr { width: 108px; height: 108px; background: #fff; padding: 6px; border-radius: var(--radius); margin-top: 18px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1); padding: 22px 0; display: flex; align-items: center;
  justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 12.5px; color: rgba(255, 255, 255, .4);
}
.footer-bottom a:hover { color: #fff; }
.footer-bottom .links { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- 15. 浮动操作 ---------- */
.float-actions { position: fixed; right: 22px; bottom: 30px; z-index: 80; display: flex; flex-direction: column; gap: 10px; }
.float-actions a, .float-actions button {
  width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: #fff; color: var(--ink); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: all .25s var(--ease); position: relative;
}
.float-actions a:hover, .float-actions button:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.float-actions svg { width: 20px; height: 20px; }
.float-actions .to-top { opacity: 0; visibility: hidden; transform: translateY(8px); }
.float-actions .to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.float-qr { position: absolute; right: 60px; top: 50%; transform: translateY(-50%) scale(.96); opacity: 0; visibility: hidden; background: #fff; padding: 10px; border-radius: var(--radius); box-shadow: var(--shadow-md); transition: all .25s; }
.float-qr img { width: 130px; height: 130px; }
.float-actions .has-qr:hover .float-qr { opacity: 1; visibility: visible; transform: translateY(-50%) scale(1); }

/* 移动端底部条 */
.mobile-bar { display: none; }

/* ---------- 16. 内页通用 ---------- */
.page-hero {
  position: relative; background: var(--ink); color: #fff; padding: 74px 0 64px; overflow: hidden;
}
.page-hero .wrap { position: relative; z-index: 2; }
.page-hero h1 { font-size: clamp(34px, 4vw, 56px); font-weight: 600; letter-spacing: -.01em; margin-top: 16px; }
.page-hero p { margin-top: 14px; color: rgba(255, 255, 255, .62); max-width: 680px; }

.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, .5); }
.breadcrumb a { color: rgba(255, 255, 255, .62); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: rgba(255, 255, 255, .3); }

.crumbbar { border-bottom: 1px solid var(--line); background: #fff; }
.crumbbar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 62px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
.crumbbar .breadcrumb { color: var(--muted); }
.crumbbar .breadcrumb a { color: var(--muted); }
.crumbbar .breadcrumb a:hover { color: var(--accent); }
.crumbbar .breadcrumb span { color: var(--muted-2); }
.crumbbar .subnav { display: flex; gap: 6px; flex-wrap: wrap; }
.crumbbar .subnav a { padding: 6px 14px; border-radius: var(--radius); font-size: 13.5px; color: var(--muted); }
.crumbbar .subnav a:hover { color: var(--ink); background: var(--paper); }
.crumbbar .subnav a.is-active { background: var(--accent); color: #fff; }
.crumb-title { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted-2); font-weight: 600; }

/* 列表布局 */
.list-layout { display: grid; grid-template-columns: 268px 1fr; gap: 56px; align-items: start; }
.sidebar { position: sticky; top: 96px; }
.side-block { margin-bottom: 28px; }
.side-title { font-size: 13px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 16px; }
.side-nav { border-top: 1px solid var(--line); }
.side-nav a {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 2px; border-bottom: 1px solid var(--line); font-size: 15px; color: var(--ink-2);
}
.side-nav a span { font-size: 12px; color: var(--muted-2); font-family: Consolas, monospace; }
.side-nav a:hover, .side-nav a.is-active { color: var(--accent); }
.side-nav a.is-active { font-weight: 600; }
.side-cta { background: var(--ink); color: #fff; padding: 30px 26px; border-radius: var(--radius-lg); }
.side-cta h3 { font-size: 20px; line-height: 1.4; }
.side-cta p { margin-top: 10px; font-size: 13.5px; color: rgba(255, 255, 255, .6); }
.side-cta .btn { margin-top: 20px; }
.side-cta .tel { display: block; margin-top: 18px; font-size: 21px; font-weight: 600; color: #fff; font-variant-numeric: tabular-nums; }
.side-hot li { border-bottom: 1px solid var(--line); }
.side-hot a { display: block; padding: 13px 0; font-size: 14px; color: var(--muted); line-height: 1.6; }
.side-hot a:hover { color: var(--accent); }

/* 文章列表卡片 */
.post-list { display: grid; gap: 18px; }
.post-card {
  display: grid; grid-template-columns: 240px 1fr; gap: 28px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-lg); overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s;
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.post-card .thumb { aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-2); }
.post-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.post-card:hover .thumb img { transform: scale(1.05); }
.post-card .body { padding: 26px 28px 26px 0; display: flex; flex-direction: column; }
.post-card .topline { display: flex; align-items: center; gap: 14px; font-size: 12.5px; color: var(--muted-2); font-family: Consolas, monospace; }
.post-card .topline .cat { color: var(--accent); font-family: inherit; font-weight: 600; letter-spacing: .06em; }
.post-card h2 { font-size: 21px; line-height: 1.5; margin-top: 12px; font-weight: 600; }
.post-card h2 a:hover { color: var(--accent); }
.post-card p { color: var(--muted); font-size: 14.5px; margin-top: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card .go { margin-top: auto; padding-top: 18px; font-size: 13px; font-weight: 600; color: var(--ink); display: inline-flex; align-items: center; gap: 7px; }
.post-card:hover .go { color: var(--accent); }
.post-card.noimg { grid-template-columns: 1fr; }
.post-card.noimg .body { padding: 28px 30px; }

/* 分页 */
.pager { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 48px; flex-wrap: wrap; }
.pager a, .pager span, .pager li a, .pager li span {
  min-width: 42px; height: 42px; display: inline-flex; align-items: center; justify-content: center;
  padding: 0 12px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px;
  color: var(--muted); background: #fff; transition: all .25s;
}
.pager a:hover { border-color: var(--ink); color: var(--ink); }
.pager .active, .pager .current, .pager li.active a, .pager li.active span {
  background: var(--accent); border-color: var(--accent); color: #fff;
}
.pager li { display: inline-flex; }

/* ---------- 17. 文章详情 ---------- */
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 56px; align-items: start; }
.article-head { margin-bottom: 34px; }
.article-head .cat { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--accent); font-weight: 600; letter-spacing: .06em; }
.article-head h1 { font-size: clamp(28px, 3.2vw, 44px); line-height: 1.25; letter-spacing: -.01em; margin-top: 14px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted-2); }
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta svg { width: 15px; height: 15px; }
.article-cover { margin: 0 0 34px; border-radius: var(--radius-lg); overflow: hidden; background: var(--paper-2); }
.article-cover img { width: 100%; max-height: 560px; object-fit: cover; }

.prose { font-size: 16.5px; line-height: 1.95; color: #2a2a2a; }
.prose > * + * { margin-top: 1.2em; }
.prose h2 { font-size: 26px; margin-top: 2em; padding-left: 14px; border-left: 3px solid var(--accent); line-height: 1.4; }
.prose h3 { font-size: 21px; margin-top: 1.7em; }
.prose h4 { font-size: 18px; margin-top: 1.5em; }
.prose p { margin: 0; }
.prose a { color: var(--accent); border-bottom: 1px solid rgba(255, 74, 23, .3); }
.prose img { border-radius: var(--radius); margin: 1.4em auto; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose ul li { list-style: disc; margin: .4em 0; }
.prose ol li { list-style: decimal; margin: .4em 0; }
.prose blockquote {
  border-left: 3px solid var(--accent); background: var(--paper-2); padding: 18px 24px;
  color: var(--muted); border-radius: 0 var(--radius) var(--radius) 0;
}
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; }
.prose th, .prose td { border: 1px solid var(--line); padding: 12px 14px; text-align: left; }
.prose th { background: var(--paper-2); font-weight: 600; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.2em 0; }
.prose iframe, .prose video { width: 100%; aspect-ratio: 16 / 9; height: auto; border: 0; border-radius: var(--radius); }
.prose .article-lead { font-size: 17px; line-height: 1.95; color: #3a3a3a; padding: 4px 0 4px 18px; border-left: 2px solid var(--line); }

.article-foot { margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-row a { padding: 6px 13px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 13px; color: var(--muted); }
.tag-row a:hover { border-color: var(--accent); color: var(--accent); }
.share-row { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--muted-2); }

.prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 34px; }
.prevnext a {
  display: block; padding: 20px 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: border-color .25s, transform .25s;
}
.prevnext a:hover { border-color: var(--ink); transform: translateY(-2px); }
.prevnext small { display: block; font-size: 12px; color: var(--muted-2); margin-bottom: 8px; letter-spacing: .1em; }
.prevnext strong { font-size: 15px; line-height: 1.5; font-weight: 600; }
.prevnext .next { text-align: right; }

.toc-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; position: sticky; top: 96px; }
.toc-box h4 { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 14px; }
.toc-box ol { counter-reset: toc; }
.toc-box li { counter-increment: toc; border-bottom: 1px solid var(--line); }
.toc-box li:last-child { border-bottom: 0; }
.toc-box a { display: flex; gap: 10px; padding: 10px 0; font-size: 14px; color: var(--muted); line-height: 1.5; }
.toc-box a::before { content: counter(toc, decimal-leading-zero); font-family: Consolas, monospace; font-size: 11px; color: var(--muted-2); padding-top: 3px; }
.toc-box a:hover, .toc-box a.is-active { color: var(--accent); }
.toc-box .toc-h3 a { padding-left: 18px; font-size: 13px; }
.toc-toggle { display: none; }

/* ---------- 18. 产品 ---------- */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: transform .4s var(--ease), box-shadow .4s; }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.product-card .thumb { aspect-ratio: 1 / 1; overflow: hidden; background: var(--paper-2); }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.product-card:hover .thumb img { transform: scale(1.06); }
.product-card .body { padding: 22px 24px 26px; }
.product-card h3 { font-size: 19px; font-weight: 600; }
.product-card p { margin-top: 8px; color: var(--muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card .go { margin-top: 16px; font-size: 13px; color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }

.product-detail { display: grid; grid-template-columns: 1.02fr .98fr; gap: 60px; align-items: start; }
.gallery-main { aspect-ratio: 1 / 1; border-radius: var(--radius-lg); overflow: hidden; background: var(--paper-2); border: 1px solid var(--line); }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 12px; }
.gallery-thumbs button { aspect-ratio: 1 / 1; border-radius: var(--radius); overflow: hidden; border: 2px solid transparent; padding: 0; background: var(--paper-2); }
.gallery-thumbs button.is-active { border-color: var(--accent); }
.gallery-thumbs img { width: 100%; height: 100%; object-fit: cover; }

.product-info .cat { font-size: 13px; color: var(--accent); font-weight: 600; letter-spacing: .06em; }
.product-info h1 { font-size: clamp(26px, 3vw, 40px); line-height: 1.25; margin-top: 12px; letter-spacing: -.01em; }
.product-info .summary { color: var(--muted); margin-top: 18px; font-size: 15.5px; line-height: 1.9; }
.spec-list { margin-top: 28px; border-top: 1px solid var(--line); }
.spec-row { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.spec-row dt { color: var(--muted-2); }
.spec-row dd { color: var(--ink); font-weight: 500; }
.product-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.product-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 26px; }
.product-points li { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: var(--muted); }
.product-points svg { width: 16px; height: 16px; color: var(--ok); flex: 0 0 16px; }

/* ---------- 19. 下载 ---------- */
.dl-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 26px; }
.dl-toolbar .tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.dl-toolbar .tabs a { padding: 8px 16px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 13.5px; color: var(--muted); }
.dl-toolbar .tabs a:hover, .dl-toolbar .tabs a.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }
.dl-search { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); background: #fff; border-radius: var(--radius); padding: 6px 8px 6px 18px; }
.dl-search input { border: 0; outline: 0; background: none; width: 200px; font-size: 14px; }
.dl-search button { width: 36px; height: 36px; border-radius: 50%; background: var(--ink); color: #fff; display: flex; align-items: center; justify-content: center; }
.dl-list { display: grid; gap: 12px; }
.dl-item {
  display: grid; grid-template-columns: 54px 1fr auto; gap: 20px; align-items: center;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px 24px;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.dl-item:hover { border-color: var(--ink); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.dl-item .ext {
  width: 54px; height: 54px; border-radius: var(--radius); background: var(--paper-2);
  display: flex; align-items: center; justify-content: center; font-family: Consolas, monospace;
  font-size: 11px; font-weight: 600; color: var(--ink); letter-spacing: .04em;
}
.dl-item h3 { font-size: 16.5px; font-weight: 600; line-height: 1.5; }
.dl-item .meta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 8px; font-size: 12.5px; color: var(--muted-2); font-family: Consolas, monospace; }
.dl-item .act { display: inline-flex; align-items: center; gap: 7px; font-size: 13.5px; font-weight: 600; color: var(--accent); white-space: nowrap; }
.dl-item .act svg { width: 16px; height: 16px; }

/* ---------- 20. 关于我们 ---------- */
.about-intro { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; }
.about-intro .prose { font-size: 16px; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 38px; }
.about-stats li { border: 1px solid var(--line); background: #fff; border-radius: var(--radius-lg); padding: 22px; }
.about-stats strong { display: block; font-size: 38px; font-weight: 600; letter-spacing: -.01em; line-height: 1; }
.about-stats strong em { font-style: normal; color: var(--accent); font-size: .55em; }
.about-stats span { display: block; margin-top: 10px; font-size: 13.5px; color: var(--muted); }

.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.value-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px; }
.value-card .no { font-family: Consolas, monospace; font-size: 12px; color: var(--accent); letter-spacing: .18em; }
.value-card h3 { font-size: 20px; margin-top: 18px; }
.value-card p { margin-top: 10px; color: var(--muted); font-size: 14.5px; }

.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 1px; background: var(--line); }
.timeline li { position: relative; padding: 0 0 34px 24px; }
.timeline li::before {
  content: ""; position: absolute; left: -26px; top: 8px; width: 11px; height: 11px; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--accent);
}
.timeline h4 { font-size: 17px; }
.timeline time { font-family: Consolas, monospace; font-size: 12.5px; color: var(--accent); letter-spacing: .1em; display: block; margin-bottom: 8px; }
.timeline p { color: var(--muted); font-size: 14.5px; margin-top: 6px; }

/* ---------- 21. 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact-cards { display: grid; gap: 14px; }
.contact-card { display: flex; gap: 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; }
.contact-card .ico { width: 46px; height: 46px; flex: 0 0 46px; border-radius: 50%; background: var(--paper-2); color: var(--accent); display: flex; align-items: center; justify-content: center; }
.contact-card .ico svg { width: 21px; height: 21px; }
.contact-card h3 { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); font-weight: 600; }
.contact-card p, .contact-card a.val { display: block; margin-top: 6px; font-size: 17px; font-weight: 600; line-height: 1.6; }
.contact-card small { display: block; margin-top: 4px; font-size: 13px; color: var(--muted-2); }
.contact-qr { display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px; }
.contact-qr img { width: 96px; height: 96px; }
.contact-qr h3 { font-size: 16px; }
.contact-qr p { font-size: 13px; color: var(--muted); margin-top: 6px; }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 38px; }
.form-card h2 { font-size: 26px; letter-spacing: -.01em; }
.form-card .sub { color: var(--muted); font-size: 14.5px; margin-top: 10px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; color: var(--muted); font-weight: 600; letter-spacing: .04em; }
.field label .req { color: var(--accent); }
.field input, .field textarea, .field select {
  height: 50px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper);
  padding: 0 16px; outline: 0; font-size: 15px; transition: border-color .25s, background .25s;
  width: 100%;
}
.field textarea { height: 130px; padding: 14px 16px; resize: vertical; line-height: 1.7; }
.field select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999999' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--accent); background: #fff; }
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field input.is-invalid, .field textarea.is-invalid, .field select.is-invalid { border-color: var(--red); background: #fff5f2; }
.form-note { margin-top: 16px; font-size: 12.5px; color: var(--muted-2); line-height: 1.7; }
.form-submit { margin-top: 24px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.form-msg { font-size: 13.5px; }
.form-msg.ok { color: var(--ok); }
.form-msg.err { color: var(--red); }

.map-wrap { margin-top: 26px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); background: var(--paper-2); }
.map-wrap iframe, #tencent-map, #allmap { width: 100%; height: 420px; display: block; }
.map-fallback { padding: 28px; text-align: center; color: var(--muted); }

/* ---------- 22. 搜索/标签/空状态 ---------- */
.empty-state { text-align: center; padding: 90px 20px; color: var(--muted); }
.empty-state svg { width: 54px; height: 54px; margin: 0 auto 18px; color: var(--muted-2); }
.empty-state h3 { font-size: 20px; color: var(--ink); }
.empty-state p { margin-top: 8px; font-size: 14.5px; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-cloud a {
  padding: 10px 18px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 14px; color: var(--muted);
  background: #fff; transition: all .25s;
}
.tag-cloud a:hover { border-color: var(--ink); color: var(--ink); }
.tag-cloud a .n { font-family: Consolas, monospace; font-size: 11px; color: var(--muted-2); margin-left: 6px; }

/* ---------- 23. 动效 ---------- */
[data-reveal] { opacity: 0; transform: translateY(8px); transition: opacity .45s var(--ease), transform .45s var(--ease); will-change: opacity; }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }

/* 阅读进度 */
.read-progress { position: fixed; top: 0; left: 0; height: 2px; width: 0; background: var(--accent); z-index: 200; transition: width .1s linear; }

/* 图片淡入 */
img.lazy-img { opacity: 0; transition: opacity .5s var(--ease); }
img.lazy-img.is-loaded { opacity: 1; }

/* ---------- 24. 响应式（平板 / 小屏 PC） ---------- */
@media (max-width: 1180px) {
  :root { --gut: 28px; }
  .hero-grid { gap: 40px; }
  .footer-top { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
  .footer-top .footer-col:nth-child(3) { display: none; }
  .list-layout { grid-template-columns: 230px 1fr; gap: 36px; }
  .article-layout { grid-template-columns: 1fr 280px; gap: 36px; }
}

@media (max-width: 1024px) {
  .section { padding: 84px 0; }
  .topbar { display: none; }
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-tel { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 380px; margin-top: 40px; }
  .hero-slides { height: 380px; }
  .hero-badge { display: none; }
  .svc-grid, .work-grid, .news-grid, .product-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line-dark); }
  .process { grid-template-columns: repeat(2, 1fr); gap: 34px 0; }
  .step::after { display: none; }
  .adv-grid { grid-template-columns: 1fr; }
  .cta-inner { grid-template-columns: 1fr; gap: 30px; padding: 64px 0; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 34px; }
  .list-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .article-layout { grid-template-columns: 1fr; }
  .toc-box { position: static; margin-bottom: 26px; }
  .about-intro { grid-template-columns: 1fr; gap: 34px; }
  .contact-grid, .product-detail { grid-template-columns: 1fr; gap: 34px; }
  .post-card { grid-template-columns: 190px 1fr; gap: 20px; }
  .value-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  :root { --gut: 20px; --header-h: 64px; }
  .section { padding: 64px 0; }
  .topbar { display: none; }
  .header-actions .btn { display: none; }
  .brand img { height: 34px; max-width: 46vw; }
  .brand img { height: 38px; }
  .hero { padding-top: 54px; }
  .hero h1 { font-size: 40px; }
  .hero-visual, .hero-slides { min-height: 300px; height: 300px; }
  .svc-grid, .work-grid, .news-grid, .product-grid, .value-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { padding: 28px 18px; }
  .process { grid-template-columns: 1fr; }
  .post-card { grid-template-columns: 1fr; }
  .post-card .thumb { aspect-ratio: 16 / 9; }
  .post-card .body { padding: 20px 22px 24px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .prevnext { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 24px 20px; }
  .dl-item { grid-template-columns: 44px 1fr; }
  .dl-item .act { grid-column: 2; }
  .sidebar { grid-template-columns: 1fr; }
  .float-actions { display: none; }
  .mobile-bar {
    display: grid; grid-template-columns: repeat(4, 1fr); position: fixed; left: 0; right: 0; bottom: 0;
    background: #fff; border-top: 1px solid var(--line); z-index: 95; padding-bottom: env(safe-area-inset-bottom);
  }
  .mobile-bar a { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 8px 0; font-size: 11px; color: var(--muted); }
  .mobile-bar a svg { width: 19px; height: 19px; }
  .mobile-bar a.is-main { background: var(--accent); color: #fff; }
  body { padding-bottom: 58px; }
  .cta-tel { font-size: 30px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------- 25. 加载与反馈（骨架屏 / 模糊渐显 / 按钮加载 / 空状态 / 断网提示） ---------- */
.thumb, .gallery-main, .article-cover { position: relative; display: block; }
.thumb img, .gallery-main img, .article-cover img { transition: filter .45s ease, transform .7s var(--ease); }
.thumb.is-loading img, .gallery-main.is-loading img, .article-cover.is-loading img { filter: blur(12px); transform: scale(1.02); }
.thumb.is-loading::before, .gallery-main.is-loading::before, .article-cover.is-loading::before {
  content: ""; position: absolute; inset: 0; z-index: 2; background: var(--paper-2);
}
.thumb.is-loading::after, .gallery-main.is-loading::after, .article-cover.is-loading::after {
  content: ""; position: absolute; inset: 0; z-index: 3;
  background: linear-gradient(100deg, transparent 32%, rgba(255, 255, 255, .9) 50%, transparent 68%);
  transform: translateX(-100%); animation: sk-sweep 1.1s var(--ease) infinite;
}
@keyframes sk-sweep { to { transform: translateX(100%); } }
@keyframes sk-spin { to { transform: rotate(360deg); } }
.btn { position: relative; }
.btn.is-loading { color: transparent !important; pointer-events: none; }
.btn.is-loading svg { opacity: 0; }
.btn.is-loading::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 18px; height: 18px; margin: -9px 0 0 -9px;
  border: 2px solid rgba(255, 255, 255, .35); border-top-color: #fff; border-radius: 50%;
  animation: sk-spin .7s linear infinite;
}
.btn-outline.is-loading::after { border-color: rgba(0, 4, 26, .2); border-top-color: var(--ink); }
.empty-actions { display: flex; gap: 12px; justify-content: center; margin-top: 24px; flex-wrap: wrap; }
.work-grid .empty-state, .product-grid .empty-state, .news-grid .empty-state { grid-column: 1 / -1; }
.net-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 400; background: var(--red); color: #fff;
  text-align: center; padding: 10px 16px; font-size: 13.5px; letter-spacing: .02em;
  transform: translateY(-110%); transition: transform .35s var(--ease);
}
.net-banner.is-show { transform: none; }
/* ---------- 26. 背景图 Hero（首页大图） ---------- */
.hero { background-color: var(--deep); color: #fff; }
.hero-bg { background-size: cover; background-position: center 38%; background-repeat: no-repeat; }
.hero-mask { position: absolute; inset: 0; background: rgba(0, 4, 26, .76); z-index: 0; }
.hero-inner {
  position: relative; z-index: 2; display: grid; grid-template-columns: 1.12fr .88fr;
  gap: 56px; align-items: center; min-height: 600px; padding: 92px var(--gut) 96px;
}
.hero h1 { color: #fff; font-size: clamp(42px, 5vw, 74px); }
.hero h1 em { color: #7aa2ff; }
.hero .lead { color: rgba(255, 255, 255, .82); }
.hero .eyebrow { color: rgba(255, 255, 255, .62); }
.hero-note { color: rgba(255, 255, 255, .6); }
.hero-note svg { color: #7aa2ff; }
.hero-cta .btn-ghost { border-color: rgba(255, 255, 255, .45); color: #fff; }
.hero-panel {
  background: #fff; color: var(--ink); padding: 30px 30px 22px; border: 1px solid rgba(255, 255, 255, .5);
  display: grid; gap: 16px; box-shadow: 0 30px 80px -40px rgba(0, 4, 26, .75); justify-self: end; width: 100%; max-width: 340px;
}
.hp-item { display: flex; flex-direction: column; gap: 2px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.hp-item strong { font-size: 34px; font-weight: 600; line-height: 1.1; letter-spacing: -.01em; color: var(--ink); }
.hp-item strong em { font-style: normal; color: var(--accent); font-size: .58em; margin-left: 2px; }
.hp-item span { color: var(--muted); font-size: 13px; }
.hp-link { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-weight: 600; font-size: 14px; margin-top: 4px; }
.hero-scroll {
  position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); z-index: 2;
  font-size: 11px; letter-spacing: .3em; color: rgba(255, 255, 255, .45); text-transform: uppercase;
}
@media (max-width: 1180px) {
  .hero-inner { grid-template-columns: 1fr; min-height: 0; padding: 80px var(--gut) 88px; }
  .hero-panel { display: none; }
}

/* ---------- 27. 内页 Hero：栏目背景图 + 蒙层 ---------- */
.page-hero { background-color: var(--deep); background-size: cover; background-position: center 40%; background-repeat: no-repeat; }
.page-hero::before { content: ""; position: absolute; inset: 0; background: rgba(0, 4, 26, .74); }

/* ---------- 28. 2.5D 等距插画 ---------- */
.head-deco { display: flex; align-items: flex-end; justify-content: flex-end; }
.head-deco img { width: 300px; height: auto; }
.iso-inline { width: 100%; max-width: 320px; margin-top: 30px; }
.iso-grid {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='28' viewBox='0 0 48 28'%3E%3Cpath d='M24 0 48 14 24 28 0 14Z' fill='none' stroke='%23e6e9f2' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 48px 28px;
}
@media (max-width: 1180px) { .head-deco { display: none; } }
/* ---------- 29. CTA 背景图 + 2.5D 定位/发光字插画 ---------- */
.cta-band { background-size: cover; background-position: center 45%; background-repeat: no-repeat; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: rgba(30, 84, 214, .86); z-index: 1; }
.cta-band::after { z-index: 1; }
.cta-inner { position: relative; z-index: 2; }
.iso-map { width: 100%; max-width: 250px; margin: 0 auto 10px; }
/* ---------- 30. 图片缺失占位 ---------- */
.thumb-ph {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: var(--paper-2); color: var(--muted-2); font-size: 13px; letter-spacing: .08em;
}
.thumb-ph::before { content: ""; width: 34px; height: 26px; margin-right: 10px; border: 2px solid #d5dcec; border-radius: 3px; background: #fff; }
.thumb.is-broken img { display: none; }
/* ==========================================================================
   v3 视觉调整：留白/字号/日期排版/评价/插画定位/联系页
   ========================================================================== */

/* ---- 留白与字号（更大气） ---- */
:root { --max: 1320px; }
.section { padding: 128px 0; }
.section-sm { padding: 88px 0; }
.section-head { margin-bottom: 64px; }
.display { font-size: clamp(40px, 4.6vw, 72px); }
.display-sm { font-size: clamp(30px, 3.2vw, 46px); }
.section-head p { font-size: 17px; line-height: 1.9; }
.lead { font-size: 19px; line-height: 1.95; font-weight: 300; }
.svc-grid, .work-grid, .news-grid, .product-grid, .testi-grid { gap: 26px; }
.work-card .meta { padding: 24px 24px 26px; }
.svc-card { padding: 38px 34px 34px; }

/* ---- FAQ：单一脚本控制（去掉 Bootstrap 双重绑定） ---- */
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px;
  padding: 30px 0; text-align: left; font-size: 18px; font-weight: 600; line-height: 1.55;
}
.faq-q .plus { flex: 0 0 22px; width: 22px; height: 22px; position: relative; }
.faq-q .plus::before, .faq-q .plus::after {
  content: ""; position: absolute; background: var(--ink); transition: transform .3s var(--ease), background .3s;
}
.faq-q .plus::before { left: 0; top: 10px; width: 22px; height: 2px; }
.faq-q .plus::after { left: 10px; top: 0; width: 2px; height: 22px; }
.faq-item.is-open .faq-q { color: var(--accent); }
.faq-item.is-open .faq-q .plus::before { background: var(--accent); }
.faq-item.is-open .faq-q .plus::after { transform: rotate(90deg); opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq-a .inner { padding: 0 48px 30px 0; color: var(--muted); font-size: 15.5px; line-height: 2; }
.faq-a a { color: var(--accent); font-weight: 600; }

/* ---- Hero 广告位轮播 ---- */
.hero { position: relative; background-size: cover; background-position: center 38%; background-color: var(--deep); color: #fff; overflow: hidden; }
.hero-bgs { position: absolute; inset: 0; z-index: 0; }
.hero-bg-img {
  position: absolute; inset: 0; background-size: cover; background-position: center 38%;
  opacity: 0; transition: opacity 1.2s var(--ease);
}
.hero-bg-img.is-active { opacity: 1; }
.hero-mask { position: absolute; inset: 0; background: rgba(0, 4, 26, .72); z-index: 1; }
.hero-inner { position: relative; z-index: 2; }
.hero-dots {
  position: absolute; left: 50%; transform: translateX(-50%); bottom: 52px; z-index: 3;
  display: flex; gap: 8px;
}
.hero-dots button { width: 28px; height: 3px; background: rgba(255, 255, 255, .3); border-radius: 0; transition: background .3s; }
.hero-dots button.is-active { background: #fff; }
.hero h1 { font-size: clamp(44px, 5.2vw, 78px); }
.hero .lead { font-size: 19px; }

/* ---- 新闻日期：大数字排版 ---- */
.news-card time, .post-card .topline time {
  display: inline-flex; align-items: baseline; gap: 8px; font-family: inherit;
}
.news-card time b, .post-card .topline time b {
  font-size: 30px; font-weight: 600; line-height: 1; color: var(--ink);
  letter-spacing: -.01em; font-variant-numeric: tabular-nums;
}
.news-card time span, .post-card .topline time span { font-size: 12.5px; color: var(--muted-2); letter-spacing: .06em; }
.post-card .topline { align-items: baseline; gap: 16px; }

/* ---- 客户评价 ---- */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.testi {
  background: #fff; border: 1px solid var(--line); padding: 36px 34px;
  display: flex; flex-direction: column; gap: 18px;
}
.testi .quote-mark { font-family: Georgia, "Times New Roman", serif; font-size: 54px; line-height: .5; color: var(--accent); height: 22px; }
.testi p { color: var(--ink-2); font-size: 15.5px; line-height: 1.95; }
.testi .stars { color: var(--orange); letter-spacing: 3px; font-size: 13px; }
.testi .who { margin-top: auto; display: flex; align-items: center; gap: 13px; padding-top: 20px; border-top: 1px solid var(--line); }
.testi .avatar {
  width: 44px; height: 44px; border-radius: 50%; background: var(--paper-2);
  color: var(--accent); display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 15px; flex: 0 0 44px;
}
.testi .who b { display: block; font-size: 14.5px; color: var(--ink); }
.testi .who span { font-size: 12.5px; color: var(--muted-2); }

/* ---- 2.5D 插画：绝对定位叠加，不占版面 ---- */
.section { position: relative; }
.section > .wrap { position: relative; z-index: 1; }
.section-deco { position: absolute; z-index: 0; pointer-events: none; }
.section-deco img { display: block; width: 100%; height: auto; }
.deco-store { right: max(2%, 20px); top: 96px; width: 300px; opacity: .95; }
.deco-steps { right: max(2%, 20px); top: 110px; width: 270px; opacity: .95; }
.deco-wall { left: 20px; bottom: 20px; width: 280px; opacity: .95; }
@media (max-width: 1180px) { .section-deco { display: none; } }

/* ---- 关于页数据带重做 ---- */
.about-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 44px;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.about-stats li { border: 0; border-right: 1px solid var(--line); background: transparent; padding: 30px 26px; border-radius: 0; }
.about-stats li:last-child { border-right: 0; }
.about-stats strong { display: flex; align-items: baseline; gap: 6px; font-size: 46px; line-height: 1; }
.about-stats strong em { font-size: 17px; color: var(--muted); font-style: normal; font-weight: 400; }
.about-stats span { margin-top: 10px; font-size: 13.5px; color: var(--muted); }

/* ---- 联系页：两栏等高 + 地图整幅 ---- */
.contact-grid { align-items: stretch; }
.contact-grid > div:first-child { display: flex; flex-direction: column; }
.form-card { height: 100%; }
.map-wide { margin-top: 56px; }
.map-wide .map-wrap { padding: 36px 40px; }
.map-wide .map-inner { display: grid; grid-template-columns: 260px 1fr; gap: 48px; align-items: center; }
.map-wide .iso-map { max-width: 240px; margin: 0 auto; }
.map-wide h3 { font-size: 22px; margin-bottom: 8px; }
.map-wide p { color: var(--muted); font-size: 14.5px; line-height: 1.9; }
.map-wide .map-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
@media (max-width: 900px) { .map-wide .map-inner { grid-template-columns: 1fr; gap: 20px; } }
/* ---- 首页文章：横向轮播滚动 ---- */
.news-carousel { overflow: hidden; position: relative; margin: 0 calc(var(--gut) * -1); padding: 0 var(--gut); }
.news-track {
  display: flex; gap: 26px; width: max-content;
  animation: news-scroll 56s linear infinite;
}
.news-carousel:hover .news-track { animation-play-state: paused; }
.news-track .news-card { width: 400px; flex: 0 0 400px; background: #fff; }
@keyframes news-scroll { from { transform: translateX(0); } to { transform: translateX(calc(-50% - 13px)); } }
@media (prefers-reduced-motion: reduce) { .news-track { animation: none; } }
@media (max-width: 900px) { .news-track .news-card { width: 300px; flex-basis: 300px; } }
/* ---- 2.5D 能力展示带（内容区内，不贴边、不叠内容） ---- */
.iso-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; padding: 56px 0; }
.iso-band-inner { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; align-items: center; }
.iso-item { display: flex; align-items: center; justify-content: center; gap: 26px; color: var(--ink); text-decoration: none; }
.iso-item img { width: 150px; height: auto; flex: 0 0 150px; transition: transform .4s var(--ease); }
.iso-item:hover img { transform: translateY(-5px); }
.iso-item b { display: block; font-size: 18px; font-weight: 600; }
.iso-item > span > span { display: block; color: var(--muted-2); font-size: 13px; margin-top: 6px; letter-spacing: .02em; }
@media (max-width: 1024px) { .iso-band-inner { grid-template-columns: 1fr; gap: 28px; } .iso-item { justify-content: flex-start; } }
/* ==========================================================================
   v4：页脚重设计 + 等距纹理背景
   ========================================================================== */

/* ---- 通用等距网格纹理 ---- */
.bg-grid {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='28' viewBox='0 0 48 28'%3E%3Cpath d='M24 0 48 14 24 28 0 14Z' fill='none' stroke='%2300041a' stroke-opacity='.045' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 48px 28px;
}
.bg-ink {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='28' viewBox='0 0 48 28'%3E%3Cpath d='M24 0 48 14 24 28 0 14Z' fill='none' stroke='%23ffffff' stroke-opacity='.05' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 48px 28px;
}
.page-hero { background-size: cover; background-position: center 40%; background-repeat: no-repeat; }
.page-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='28' viewBox='0 0 48 28'%3E%3Cpath d='M24 0 48 14 24 28 0 14Z' fill='none' stroke='%23ffffff' stroke-opacity='.055' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 48px 28px;
}

/* ---- 页脚 ---- */
.site-footer {
  position: relative; overflow: hidden; padding: 0;
  background-color: var(--deep);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='28' viewBox='0 0 48 28'%3E%3Cpath d='M24 0 48 14 24 28 0 14Z' fill='none' stroke='%23ffffff' stroke-opacity='.045' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 48px 28px;
  border-top: 3px solid var(--accent);
  color: rgba(255, 255, 255, .62);
}
.site-footer::before {
  content: "另起一行"; position: absolute; right: -16px; bottom: 48px;
  font-size: clamp(90px, 12vw, 200px); font-weight: 600; letter-spacing: .04em;
  color: rgba(255, 255, 255, .028); line-height: 1; white-space: nowrap;
  pointer-events: none; user-select: none;
}
.footer-inner { position: relative; z-index: 1; }
.footer-top {
  display: grid; grid-template-columns: 1.9fr 1fr 1fr 1.05fr 1.7fr; gap: 44px;
  padding: 72px 0 56px; border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-logo { height: 44px; width: auto; background: #fff; padding: 7px 10px; border-radius: 3px; margin-bottom: 22px; display: block; }
.footer-brand p { max-width: 360px; line-height: 1.95; font-size: 13.5px; color: rgba(255, 255, 255, .55); }
.footer-areas { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.footer-areas .area-label { font-size: 11.5px; letter-spacing: .14em; color: rgba(255, 255, 255, .34); margin-right: 2px; }
.footer-areas span:not(.area-label) { border: 1px solid rgba(255, 255, 255, .14); padding: 4px 10px; border-radius: 2px; font-size: 12px; color: rgba(255, 255, 255, .62); }
.footer-col h4 { font-size: 13px; letter-spacing: .14em; color: #fff; margin-bottom: 22px; font-weight: 600; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 14px; color: rgba(255, 255, 255, .6); position: relative; display: inline-block; }
.footer-links a::after { content: ""; position: absolute; left: 0; bottom: -3px; width: 0; height: 1px; background: var(--accent); transition: width .25s var(--ease); }
.footer-links a:hover { color: #fff; }
.footer-links a:hover::after { width: 100%; }
.footer-contact-list li { display: flex; gap: 14px; margin-bottom: 18px; align-items: flex-start; }
.f-ico { width: 36px; height: 36px; flex: 0 0 36px; border-radius: 50%; background: rgba(255, 255, 255, .06); display: flex; align-items: center; justify-content: center; color: #7aa2ff; }
.f-ico svg { width: 17px; height: 17px; }
.footer-contact-list em { display: block; font-style: normal; font-size: 11.5px; color: rgba(255, 255, 255, .34); letter-spacing: .06em; margin-bottom: 4px; }
.footer-contact-list div > span, .footer-contact-list a { font-size: 13.5px; color: rgba(255, 255, 255, .72); line-height: 1.7; }
.footer-tel { font-size: 22px; font-weight: 600; color: #fff !important; letter-spacing: -.01em; }
.footer-qr-box { display: flex; align-items: center; gap: 14px; margin-top: 6px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, .08); }
.footer-qr-box img { width: 92px; height: 92px; background: #fff; padding: 4px; border-radius: 2px; }
.footer-qr-box b { display: block; color: #fff; font-size: 14px; margin-bottom: 4px; }
.footer-qr-box span { font-size: 12px; color: rgba(255, 255, 255, .4); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 22px 0; font-size: 12.5px; color: rgba(255, 255, 255, .38); }
.footer-legal { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-legal a { color: inherit; }
.footer-legal a:hover { color: #fff; }
.footer-links-bottom { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links-bottom a { color: rgba(255, 255, 255, .45); }
.footer-links-bottom a:hover { color: #fff; }

@media (max-width: 1180px) {
  .footer-top { grid-template-columns: 1.6fr 1fr 1fr 1.5fr; }
  .footer-col:nth-child(4) { display: none; }
}
@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; padding: 56px 0 40px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-contact-col { grid-column: 1 / -1; }
  .footer-qr-box { max-width: 420px; }
}
@media (max-width: 560px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
/* 补充变量（此前遗漏，页脚/深色区域使用） */:root { --deep: #00041a; }

/* ==========================================================================
   v5：列表页统一重写（顶部筛选 + 全宽卡片网格）
   ========================================================================== */
.list-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding-bottom: 22px; border-bottom: 1px solid var(--line); margin-bottom: 38px;
}
.tabs-scroll { display: flex; gap: 8px; overflow-x: auto; -ms-overflow-style: none; scrollbar-width: none; }
.tabs-scroll::-webkit-scrollbar { display: none; }
.tabs-scroll a {
  padding: 9px 18px; border: 1px solid var(--line); border-radius: var(--radius);
  font-size: 14px; color: var(--muted); white-space: nowrap; flex: 0 0 auto;
}
.tabs-scroll a:hover { color: var(--ink); border-color: var(--ink); }
.tabs-scroll a.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }
.list-hint { font-size: 13px; color: var(--muted-2); }

.lc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.lc-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.lc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.lc-thumb { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper-2); position: relative; }
.lc-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.lc-card:hover .lc-thumb img { transform: scale(1.04); }
.lc-thumb--square { aspect-ratio: 1 / 1; }
.lc-body { padding: 20px 22px 18px; display: flex; flex-direction: column; flex: 1; }
.lc-cat { font-size: 12px; letter-spacing: .1em; color: var(--accent); font-weight: 600; }
.lc-title {
  font-size: 17px; line-height: 1.55; font-weight: 600; margin-top: 8px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.lc-title a { color: var(--ink); }
.lc-title a:hover { color: var(--accent); }
.lc-desc {
  margin-top: 8px; color: var(--muted); font-size: 13.5px; line-height: 1.75;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.lc-meta {
  margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.lc-meta time { display: inline-flex; align-items: baseline; gap: 6px; }
.lc-meta time b { font-size: 20px; font-weight: 600; color: var(--ink); line-height: 1; font-variant-numeric: tabular-nums; }
.lc-meta time span { font-size: 12px; color: var(--muted-2); letter-spacing: .04em; }
.lc-more { font-size: 13px; color: var(--muted); display: inline-flex; align-items: center; gap: 5px; }
.lc-card:hover .lc-more { color: var(--accent); }
.lc-card .thumb-ph { position: absolute; inset: 0; }
@media (max-width: 1080px) { .lc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .lc-grid { grid-template-columns: 1fr; } .lc-title { font-size: 16px; } }
/* ---- 下载列表行 ---- */
.dl-title { font-size: 16.5px; font-weight: 600; line-height: 1.5; margin: 0; }
.dl-item:hover .dl-title { color: var(--accent); }
.dl-item .meta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 8px; font-size: 12.5px; color: var(--muted-2); font-family: Consolas, monospace; }
/* 列表页顶部收紧 */
.section-list { padding-top: 72px; }

/* ==========================================================================
   v6：数据带重做（大气版）
   ========================================================================== */
.stats-band { padding: 104px 0; }
.stats-wrap { display: grid; grid-template-columns: .85fr 1.5fr; gap: 72px; align-items: center; }
.stats-head .eyebrow { color: rgba(255, 255, 255, .45); }
.stats-head .eyebrow::before { background: var(--accent); }
.stats-head h2 { font-size: clamp(30px, 3vw, 44px); line-height: 1.18; color: #fff; margin-top: 20px; letter-spacing: -.01em; }
.stats-head p { margin-top: 16px; font-size: 14.5px; line-height: 1.9; color: rgba(255, 255, 255, .55); max-width: 300px; }
.stats-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(255, 255, 255, .14);
  border-left: 1px solid rgba(255, 255, 255, .14);
}
.stats-grid .stat { padding: 36px 38px; border-right: 1px solid rgba(255, 255, 255, .14); border-bottom: 1px solid rgba(255, 255, 255, .14); }
.stats-grid .stat strong {
  display: flex; align-items: baseline; gap: 6px; margin: 0;
  font-size: clamp(52px, 5.2vw, 78px); font-weight: 600; line-height: 1;
  color: #fff; letter-spacing: -.01em; font-variant-numeric: tabular-nums;
}
.stats-grid .stat strong span { display: inline; margin: 0; font-size: inherit; color: inherit; }
.stats-grid .stat strong em { font-style: normal; font-size: 22px; font-weight: 500; color: var(--green); margin-left: 2px; }
.stats-grid .stat-label { display: block; margin-top: 18px; font-size: 14px; letter-spacing: .04em; color: rgba(255, 255, 255, .55); }
@media (max-width: 1024px) {
  .stats-wrap { grid-template-columns: 1fr; gap: 44px; }
  .stats-head p { max-width: none; }
}
@media (max-width: 560px) {
  .stats-band { padding: 72px 0; }
  .stats-grid { grid-template-columns: 1fr; }
  .stats-grid .stat { padding: 28px 24px; }
}
/* ---- 键盘可达性 ---- */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px;
}
.btn:focus-visible, .icon-btn:focus-visible { outline-offset: 4px; }
/* ==========================================================================
   v7：文章侧栏重做（取消 TOC 悬停防叠层 / 热门带图 / 咨询与微信卡）
   ========================================================================== */
.toc-box { position: static; top: auto; }
.article-side { position: static; }
.side-thumbs li { border-bottom: 1px solid var(--line); }
.side-thumbs li:last-child { border-bottom: 0; }
.side-thumbs a { display: flex; gap: 12px; align-items: center; padding: 12px 0; color: var(--ink-2); }
.side-thumbs img { width: 64px; height: 48px; object-fit: cover; flex: 0 0 64px; background: var(--paper-2); }
.side-thumbs span { font-size: 13.5px; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.side-thumbs a:hover span { color: var(--accent); }
.article-side .side-cta { margin-top: 24px; }
.contact-qr--mini { margin-top: 16px; padding: 16px; gap: 12px; }
.contact-qr--mini img { width: 64px; height: 64px; }
.contact-qr--mini h3 { font-size: 14px; }
.contact-qr--mini p { font-size: 12px; margin-top: 2px; }
.article-related { margin-top: 56px; padding-top: 36px; border-top: 1px solid var(--line); }
.article-related .lc-grid { margin-top: 20px; }
.lc-grid--mini { grid-template-columns: repeat(3, 1fr); gap: 18px; }
.lc-grid--mini .lc-thumb { aspect-ratio: 16 / 10; }
.lc-grid--mini .lc-body { padding: 14px 16px; }
.lc-grid--mini .lc-title { font-size: 15px; }
@media (max-width: 900px) { .lc-grid--mini { grid-template-columns: 1fr; } }
.side-thumb-ph { display: flex; width: 64px; height: 48px; flex: 0 0 64px; background: var(--paper-2); color: var(--muted-2); font-size: 11px; align-items: center; justify-content: center; }

/* ==========================================================================
   v8：文章详情重排（标题入头图 / 正文限宽提字 / 图片圆角阴影）
   ========================================================================== */
.article-hero {
  position: relative; overflow: hidden; color: #fff;
  background-color: var(--deep);
  background-size: cover; background-position: center 40%; background-repeat: no-repeat;
  background-size: cover;
  padding: 128px 0 82px;
}
.article-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='48' height='28' viewBox='0 0 48 28'%3E%3Cpath d='M24 0 48 14 24 28 0 14Z' fill='none' stroke='%23ffffff' stroke-opacity='.05' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 48px 28px;
}
.article-hero-mask { position: absolute; inset: 0; background: rgba(0, 4, 26, .74); z-index: 0; }
.article-hero .wrap { position: relative; z-index: 1; }
.article-hero .breadcrumb { color: rgba(255, 255, 255, .55); }
.article-hero .breadcrumb a { color: rgba(255, 255, 255, .62); }
.article-hero .breadcrumb a:hover { color: #fff; }
.article-hero-head { max-width: 940px; margin-top: 36px; }
.article-cat {
  display: inline-block; font-size: 12px; letter-spacing: .14em; color: #fff;
  border: 1px solid rgba(255, 255, 255, .38); padding: 5px 12px; border-radius: 2px;
}
.article-cat:hover { border-color: #fff; color: #fff; }
.article-hero h1 {
  font-size: clamp(30px, 3.4vw, 50px); line-height: 1.26; margin-top: 22px;
  color: #fff; letter-spacing: -.01em; font-weight: 600;
}
.article-hero .article-meta {
  margin-top: 24px; padding-top: 0; border-top: 0;
  color: rgba(255, 255, 255, .62); gap: 26px;
}
.article-hero .article-meta svg { color: #7aa2ff; }

.section-article { padding-top: 76px; }
.prose--article { max-width: 800px; font-size: 17px; line-height: 2.05; color: #2a2a2a; }
.prose--article > * + * { margin-top: 1.1em; }
.prose--article p { margin: 0 0 1.15em; }
.prose--article h2 {
  font-size: 24px; line-height: 1.45; margin: 2.4em 0 .9em; padding-left: 14px;
  border-left: 3px solid var(--accent);
}
.prose--article h3 { font-size: 20px; margin: 1.9em 0 .7em; }
.prose--article h4 { font-size: 17.5px; margin: 1.6em 0 .6em; }
.prose--article ul, .prose--article ol { padding-left: 1.6em; margin: 0 0 1.15em; }
.prose--article li { margin: .45em 0; }
.prose--article blockquote { margin: 1.6em 0; padding: 20px 26px; font-size: 16px; }
.prose--article table { margin: 1.6em 0; }
.prose--article img {
  border-radius: 10px;
  box-shadow: 0 18px 44px -20px rgba(10, 20, 60, .3);
  margin: 1.6em auto;
  max-width: 100%;
}
.prose--article figure { margin: 1.8em 0; }
.prose--article figure img { width: 100%; }
.prose--article .article-lead { font-size: 17.5px; line-height: 2; color: #3a3a3a; padding-left: 18px; border-left: 2px solid var(--line); }
.prose--article iframe, .prose--article video { border-radius: 10px; }
@media (max-width: 900px) {
  .article-hero { padding: 92px 0 60px; }
  .article-hero h1 { font-size: 26px; }
  .prose--article { font-size: 16.5px; }
}
/* ---- v9：文章头图真实 img 分层 ---- */
.article-hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 40%; z-index: 0; }
.article-hero-mask { z-index: 1; }
.article-hero::after { z-index: 1; }
.article-hero .wrap { z-index: 2; }
/* ==========================================================================
   v10：服务卡片改为轮播高亮（蓝色 = 当前推荐，悬停暂停）
   ========================================================================== */
.svc-card { transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.svc-card:hover, .svc-card:focus-within {
  background: var(--accent); border-color: var(--accent); color: #fff;
  transform: translateY(-8px); box-shadow: var(--shadow-md);
}
.svc-card:hover .num, .svc-card:focus-within .num { color: rgba(255, 255, 255, .78); }
.svc-card:hover h3, .svc-card:hover h3 a,
.svc-card:focus-within h3, .svc-card:focus-within h3 a { color: #fff; }
.svc-card:hover p, .svc-card:focus-within p { color: #fff; opacity: .92; }
.svc-card:hover .go, .svc-card:focus-within .go { color: #fff; }

/* 全部产品卡：与其他卡片统一白底，悬停同样变蓝 */
.svc-more { background: #fff; color: var(--ink); border-color: var(--line); }
.svc-more .num { color: var(--accent); }
.svc-more h3, .svc-more h3 a { color: var(--ink); }
.svc-more p { color: var(--muted); }
.svc-more .go { color: var(--accent); }
/* 非激活态颜色显式钉死，避免轮播后文字残留白色 */
.svc-card:not(:hover):not(:focus-within) .num { color: var(--muted-2); }
.svc-card:not(:hover):not(:focus-within) h3,
.svc-card:not(:hover):not(:focus-within) h3 a { color: var(--ink); }
.svc-card:not(:hover):not(:focus-within) p { color: var(--muted); opacity: 1; }
.svc-card:not(:hover):not(:focus-within) .go { color: var(--ink); }
.svc-card.svc-more:not(:hover):not(:focus-within) .num { color: var(--accent); }
.svc-card.svc-more:not(:hover):not(:focus-within) .go { color: var(--accent); }
/* ---- 下载列表：封面图 ---- */
.dl-item { grid-template-columns: 128px 1fr auto; gap: 24px; align-items: center; padding: 16px 20px; }
.dl-cover { position: relative; display: block; width: 128px; height: 86px; overflow: hidden; background: var(--paper-2); border-radius: 2px; flex: 0 0 128px; }
.dl-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.dl-item:hover .dl-cover img { transform: scale(1.05); }
.dl-body { min-width: 0; }
@media (max-width: 640px) {
  .dl-item { grid-template-columns: 88px 1fr; }
  .dl-cover { width: 88px; height: 60px; }
  .dl-item .act { grid-column: 2; }
}
/* 下载封面加载骨架 */
.dl-cover img { transition: filter .4s var(--ease), transform .5s var(--ease); }
.dl-cover.is-loading img { filter: blur(8px); }
.dl-cover.is-loading::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 32%, rgba(255, 255, 255, .9) 50%, transparent 68%);
  transform: translateX(-100%); animation: sk-sweep 1.1s var(--ease) infinite;
}
/* ==========================================================================
   v12：右侧浮动优化（宽屏贴内容边、进页脚自动隐藏）
   ========================================================================== */
.float-actions {
  right: max(16px, calc((100vw - var(--max)) / 2 - 56px));
  bottom: 26px; gap: 8px; z-index: 85;
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.float-actions a, .float-actions button { width: 46px; height: 46px; }
.float-actions.is-hidden { opacity: 0; visibility: hidden; transform: translateY(12px); pointer-events: none; }
.float-qr { right: 58px; z-index: 86; }
@media (max-width: 1180px) { .float-actions { right: 16px; } }
/* ==========================================================================
   v13：页脚压缩重排 + 友情链接（目标高度约为原来一半）
   ========================================================================== */
.site-footer { padding: 0; }
.f-main {
  display: grid; grid-template-columns: 1.55fr .72fr .78fr 1.05fr auto;
  gap: 28px; padding: 24px 0 14px;
}
.f-logo img { height: 34px; width: auto; background: #fff; padding: 3px 5px; display: block; }
.f-desc { margin-top: 10px; font-size: 12.5px; line-height: 1.65; color: rgba(255, 255, 255, .58); max-width: 340px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.f-areas { margin-top: 10px; font-size: 12px; color: rgba(255, 255, 255, .48); }
.f-area-label { color: var(--accent); margin-right: 6px; letter-spacing: .08em; }
.f-col h4 { font-size: 11.5px; font-weight: 500; letter-spacing: .16em; color: rgba(255, 255, 255, .42); margin-bottom: 12px; }
.f-col ul { display: grid; gap: 7px; }
.f-col a { font-size: 13px; color: rgba(255, 255, 255, .72); }
.f-col a:hover { color: #fff; }
.f-contact-list li { display: flex; gap: 8px; align-items: flex-start; font-size: 12.5px; line-height: 1.6; color: rgba(255, 255, 255, .66); }
.f-contact-list svg { width: 14px; height: 14px; flex: 0 0 14px; margin-top: 3px; color: var(--accent); }
.f-contact-list .f-tel a { font-size: 18px; font-weight: 600; color: #fff; display: flex; align-items: center; gap: 8px; letter-spacing: .01em; }
.f-contact-list .f-tel svg { margin-top: 0; }
.f-qr img { width: 76px; height: 76px; background: #fff; padding: 4px; display: block; }
.f-qr span { display: block; text-align: center; font-size: 11px; color: rgba(255, 255, 255, .42); margin-top: 6px; }
.f-links {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px;
  padding: 10px 0; border-top: 1px solid rgba(255, 255, 255, .1); font-size: 12.5px;
}
.f-links-label { color: rgba(255, 255, 255, .42); letter-spacing: .12em; margin-right: 2px; }
.f-links a { color: rgba(255, 255, 255, .58); }
.f-links a:hover { color: #fff; }
.f-bottom { background: rgba(0, 0, 0, .18); border-top: 1px solid rgba(255, 255, 255, .08); }
.f-bottom-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; padding: 12px 0; font-size: 12px; color: rgba(255, 255, 255, .4); }
.f-legal { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.f-links-bottom { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.f-bottom-inner a { color: inherit; }
.f-bottom-inner a:hover { color: #fff; }
@media (max-width: 1180px) {
  .f-main { grid-template-columns: 1fr 1fr; gap: 26px 34px; }
  .f-brand { grid-column: 1 / -1; }
  .f-qr { display: none; }
}
@media (max-width: 560px) {
  .f-main { grid-template-columns: 1fr; gap: 22px; padding: 32px 0 22px; }
  .f-bottom-inner { justify-content: flex-start; }
}
/* ---- 法律声明页 ---- */
.legal-page { max-width: 820px; }
.legal-update { font-size: 12.5px; color: var(--muted-2); letter-spacing: .02em; margin-top: -6px; }
.legal-box {
  margin: 1.8em 0; padding: 20px 24px; background: var(--paper-2);
  border-left: 3px solid var(--accent); font-size: 14.5px; line-height: 1.85; color: var(--ink-2);
}
.legal-box p { margin: 0 0 10px; }
.legal-box p:last-child { margin-bottom: 0; }
.legal-box .btn { margin-top: 4px; }
.legal-page ul { padding-left: 1.3em; }
.legal-page ul li { margin: .4em 0; }
.prose .btn, .prose .btn-solid, .legal-box .btn { color: #fff; }
.prose .btn:hover, .legal-box .btn:hover { color: #fff; }
/* ==========================================================================
   v14：详情页侧栏定位修复 + 内容增强
   ========================================================================== */
.article-side { align-self: start; }
.side-title { font-size: 13px; letter-spacing: .1em; color: var(--ink); font-weight: 600; margin-bottom: 12px; }
.side-block { padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); margin-top: 20px; }
.side-block:first-of-type { margin-top: 0; }
.side-guard .guard-list { display: grid; gap: 9px; margin-bottom: 12px; }
.side-guard .guard-list li { position: relative; padding-left: 18px; font-size: 13.5px; color: var(--ink-2); }
.side-guard .guard-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 700; }
.side-guard .guard-areas { font-size: 12px; color: var(--muted-2); border-top: 1px dashed var(--line); padding-top: 10px; }
.side-guard .guard-areas span { color: var(--accent); margin-right: 6px; }
.toc-box a.is-active { color: var(--accent); }
.toc-box a.is-active::after { content: ""; margin-left: auto; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }
@media (max-width: 1180px) {
  .article-layout { grid-template-columns: minmax(0, 1fr) 300px; gap: 32px; }
}
@media (max-width: 980px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-side { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; }
  .article-side .side-block { margin-top: 0; }
  .article-side .side-cta { margin-top: 0; }
  .article-side .contact-qr--mini { margin-top: 0; }
  .article-side .toc-box { margin-bottom: 0; }
}
@media (max-width: 640px) {
  .article-side { grid-template-columns: 1fr; }
}
/* 详情页容器收窄：正文与侧栏贴合，消除右侧大白条 */
.article-layout { max-width: 1180px; margin-left: auto; margin-right: auto; }
@media (max-width: 980px) { .article-layout { max-width: 100%; } }
/* ==========================================================================
   v16：右侧浮动工具条（贴边 / 可拖动 / 悬停展开）
   ========================================================================== */
.dock { position: fixed; right: 0; top: 50%; transform: translateY(-50%); z-index: 82;
  display: flex; flex-direction: column; align-items: flex-end; gap: 6px;
  transition: opacity .3s var(--ease), visibility .3s, transform .3s var(--ease); }
.dock.is-placed { transform: none; }
.dock.is-dragging { transition: none; }
.dock, .dock * { user-select: none; -webkit-user-drag: none; }
.dock.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.dock-grip { display: grid; grid-template-columns: repeat(2, 3px); grid-auto-rows: 3px; gap: 4px;
  justify-content: center; align-content: center; width: 30px; height: 36px; cursor: grab;
  border-radius: 12px 0 0 12px; background: #fff; border: 1px solid rgba(10, 20, 60, .08);
  border-right: 0; box-shadow: -4px 6px 18px rgba(10, 20, 60, .08); transition: background .2s; }
.dock-grip:hover { background: #eef3ff; }
.dock-grip i { width: 3px; height: 3px; border-radius: 50%; background: #b9c2d6; }
.dock-grip:hover i { background: var(--accent); }
.dock.is-dragging .dock-grip { cursor: grabbing; }
.dock-item { position: relative; display: flex; align-items: center; gap: 12px; width: 52px; height: 52px;
  padding-left: 16px; background: #fff; border: 1px solid rgba(10, 20, 60, .08); border-right: 0;
  border-radius: 14px 0 0 14px; box-shadow: -6px 10px 28px rgba(10, 20, 60, .10); color: var(--ink);
  overflow: hidden; cursor: pointer; text-align: left;
  transition: width .28s var(--ease), background .2s, color .2s, border-color .2s; }
.dock-item:hover, .dock-item:focus-visible { width: 190px; background: var(--accent); border-color: var(--accent); color: #fff; outline: none; }
.dock-ico { flex: 0 0 20px; display: grid; place-items: center; }
.dock-ico svg { width: 21px; height: 21px; }
.dock-txt { display: flex; flex-direction: column; gap: 2px; white-space: nowrap; opacity: 0;
  transform: translateX(6px); transition: opacity .22s, transform .28s var(--ease); }
.dock-item:hover .dock-txt, .dock-item:focus-visible .dock-txt { opacity: 1; transform: none; }
.dock-txt i { font-style: normal; font-size: 10.5px; letter-spacing: .12em; opacity: .62; }
.dock-txt b { font-size: 15px; font-weight: 600; letter-spacing: .01em; }
.dock-wx { overflow: visible; }
.dock-qr { position: absolute; right: calc(100% + 12px); top: 50%; transform: translateY(-50%) scale(.96);
  width: 176px; padding: 12px 12px 10px; background: #fff; border-radius: 14px;
  box-shadow: 0 18px 44px -12px rgba(10, 20, 60, .28); opacity: 0; visibility: hidden;
  pointer-events: none; text-align: center; transition: .22s var(--ease); }
.dock-qr::after { content: ""; position: absolute; right: -6px; top: 50%; margin-top: -6px; width: 12px;
  height: 12px; background: #fff; transform: rotate(45deg); }
.dock-qr img { width: 140px; height: 140px; display: block; margin: 0 auto 8px; border-radius: 6px; }
.dock-qr i { font-style: normal; font-size: 11.5px; color: var(--muted); letter-spacing: .02em; }
.dock-wx:hover .dock-qr, .dock-wx:focus-visible .dock-qr { opacity: 1; visibility: visible; transform: translateY(-50%) scale(1); }
@media (max-width: 900px) { .dock { display: none; } }
/* ==========================================================================
   v17：hero 海报图柔化 / LOGO 悬停去描边 / 评价横向滚动 / FAQ 两列
   ========================================================================== */
.hero-bg-img { filter: blur(10px) brightness(.52) saturate(.92) contrast(1.02); transform: scale(1.06); }
.hero-mask {
  background:
    linear-gradient(90deg, rgba(0, 4, 26, .95) 0%, rgba(0, 4, 26, .86) 46%, rgba(0, 4, 26, .5) 100%),
    linear-gradient(0deg, rgba(0, 4, 26, .6) 0%, rgba(0, 4, 26, 0) 42%);
}
.brand img, .brand:hover img, .brand:focus img { filter: none !important; -webkit-text-stroke: 0; text-shadow: none; transform: none; }
.brand:focus { outline: none; }
.brand:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 4px; }
a:focus:not(:focus-visible), button:focus:not(:focus-visible) { outline: none; }

.faq-list { display: block; column-count: 2; column-gap: 44px; }
.faq-item { break-inside: avoid; }
.faq-list .faq-item:nth-child(1), .faq-list .faq-item:nth-child(2) { border-top: 0; }
@media (max-width: 900px) { .faq-list { column-count: 1; } }

.testi-marquee { position: relative; overflow: hidden; padding: 6px 0 10px; }
.testi-track { display: flex; gap: 24px; width: max-content; animation: testi-scroll 52s linear infinite; }
.testi-marquee:hover .testi-track, .testi-marquee:focus-within .testi-track { animation-play-state: paused; }
.testi-track .testi { width: 356px; flex: 0 0 356px; }
@keyframes testi-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.testi-marquee {
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 64px, #000 calc(100% - 64px), transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 64px, #000 calc(100% - 64px), transparent 100%);
}
@media (prefers-reduced-motion: reduce) {
  .testi-track { animation: none; overflow-x: auto; }
}
/* 移动端：海报底图进一步柔化，避免残留大字干扰 */
@media (max-width: 900px) {
  .hero-bg-img { filter: blur(12px) brightness(.5) saturate(.9); transform: scale(1.12); }
  .hero-mask {
    background:
      linear-gradient(180deg, rgba(0, 4, 26, .78) 0%, rgba(0, 4, 26, .9) 58%, rgba(0, 4, 26, .95) 100%);
  }
}
/* ==========================================================================
   v18 宽屏铺满 + 首屏钉住（正文从下方覆盖滚动）+ 现代细节
   ========================================================================== */
:root {
  --max: 1720px;
  --gut: clamp(20px, 2.6vw, 44px);
  --r-card: 14px;
  --r-btn: 10px;
}
html { overflow-x: hidden; scroll-behavior: smooth; }
body { overflow-x: visible; }

/* 首屏：滚动时不动，后面的内容盖上来 */
.hero {
  position: sticky; top: 0; z-index: 0;
  height: 100vh; min-height: 720px; max-height: 1080px;
}
.hero-inner { min-height: 100%; padding-top: calc(var(--header-h) + 40px); padding-bottom: 118px; }
#main > section:not(.hero) { position: relative; z-index: 1; }
#main > section.section:not(.bg-paper2):not(.bg-grid):not(.bg-ink) { background: #fff; }
.site-footer { position: relative; z-index: 2; }
@media (max-width: 900px) {
  .hero { position: relative; height: auto; min-height: 0; max-height: none; }
  .hero-inner { min-height: 0; padding-top: 76px; padding-bottom: 96px; }
}

/* 现代细节：更松弛的留白、卡片圆角与悬浮层次 */
.section { padding: clamp(100px, 8.2vw, 148px) 0; }
.section-head { margin-bottom: clamp(44px, 4vw, 72px); }
.display-sm { letter-spacing: -.028em; }
.section-head p { max-width: 660px; }
.btn, .btn-ghost { border-radius: var(--r-btn); }
.hero-panel { border-radius: 16px; }
.svc-card, .work-card, .news-card { border-radius: var(--r-card); }
.work-card, .news-card, .svc-card { transition: transform .38s var(--ease), box-shadow .38s var(--ease), border-color .38s var(--ease); }
.work-card:hover, .news-card:hover { transform: translateY(-6px); box-shadow: 0 36px 72px -42px rgba(0, 4, 26, .34); border-color: #c8d5f4; }
.svc-card:hover { transform: translateY(-6px); box-shadow: 0 34px 66px -40px rgba(0, 4, 26, .3); }
.figure-badge, .work-card .tag, .news-card .tag { border-radius: 999px; }
/* 首屏数据卡避让右侧贴边工具条 */
@media (max-width: 1640px) { .hero-panel { margin-right: 64px; } }
/* 内容容器收口：超大屏也不无限拉伸 */
.wrap-wide { max-width: 1480px; }
/* 正文首屏上沿做成"纸面"，覆盖 hero 时更柔和 */
#services { border-radius: 26px 26px 0 0; box-shadow: 0 -26px 60px -34px rgba(0, 4, 26, .45); }
@media (max-width: 900px) { #services { border-radius: 0; box-shadow: none; } }
/* 首屏高度按头部实际高度扣减，保证正好一屏、滚动提示可见 */
.hero { height: calc(100vh - var(--hdr, 0px)); height: calc(100svh - var(--hdr, 0px)); }
@media (max-width: 900px) { .hero { height: auto; min-height: 0; max-height: none; } }
/* 宽屏列表：4 列更紧凑，单屏看到更多项目 */
@media (min-width: 1500px) {
  .lc-grid { grid-template-columns: repeat(4, 1fr); gap: 28px; }
  .lc-thumb { aspect-ratio: 16 / 11; }
  .lc-thumb--square { aspect-ratio: 1 / 1; }
}
/* 宽屏案例流：4 列；产品仍按 3 列（方形图更大） */
@media (min-width: 1500px) {
  .work-grid { grid-template-columns: repeat(4, 1fr); gap: 24px; }
}
/* 产品详情：宽屏下收口，阅读距离更舒服 */
@media (min-width: 1100px) {
  .product-detail { max-width: 1280px; margin-left: auto; margin-right: auto; }
}
/* 修正：粘性首屏下面的区块必须是实底，否则首屏会透出来（bg-grid 只有纹理没有底色） */
#main > section:not(.hero) { background-color: var(--paper); }
#main > section.bg-paper2 { background-color: var(--paper-2); }
#main > section.bg-ink { background-color: var(--ink); }
#main > section.cta-band { background-color: var(--accent); }
.iso-band { background-color: var(--paper); }
/* ===== v19：新闻双模板 / 下载卡片 / 侧栏咨询卡 ===== */

/* 新闻：无图行列表（行业动态、父栏目混合） */
.lc-rows { border-top: 1px solid var(--line); }
.lc-row { display: flex; align-items: center; gap: 28px; padding: 24px 8px; border-bottom: 1px solid var(--line); transition: background .3s var(--ease), padding .3s var(--ease); }
.lc-row:hover { background: var(--paper-2); padding-left: 18px; padding-right: 18px; }
.lc-row-date { flex: 0 0 86px; display: flex; flex-direction: column; gap: 3px; font-family: Consolas, monospace; color: var(--muted-2); }
.lc-row-date b { font-size: 30px; line-height: 1; font-weight: 600; color: var(--ink); letter-spacing: -.02em; }
.lc-row-date span { font-size: 11.5px; letter-spacing: .06em; }
.lc-row-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 7px; }
.lc-row-main .lc-cat { font-size: 11px; letter-spacing: .14em; color: var(--accent); font-family: Consolas, monospace; text-transform: uppercase; }
.lc-row-title { font-size: 19px; font-weight: 600; line-height: 1.5; color: var(--ink); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.lc-row-desc { font-size: 13.5px; line-height: 1.75; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.lc-row-go { flex: 0 0 auto; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; color: var(--muted-2); transition: all .3s var(--ease); }
.lc-row:hover .lc-row-go { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateX(4px); }
.lc-row-thumb { flex: 0 0 148px; width: 148px; height: 92px; border-radius: 8px; overflow: hidden; background: var(--paper-2); }
.lc-row-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.lc-row:hover .lc-row-thumb img { transform: scale(1.05); }

/* 下载：卡片网格 */
.dl-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.dl-card { display: flex; align-items: center; gap: 20px; padding: 16px; min-width: 0; background: #fff; border: 1px solid var(--line); border-radius: 14px; transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease); }
.dl-card:hover { transform: translateY(-3px); box-shadow: 0 22px 44px -26px rgba(10, 20, 60, .34); border-color: transparent; }
.dl-grid .dl-cover { flex: 0 0 176px; width: 176px; height: 112px; display: block; position: relative; border-radius: 10px; overflow: hidden; background: var(--paper-2); }
.dl-grid .dl-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.dl-grid .dl-cover .thumb-ph { position: absolute; inset: 0; }
.dl-card:hover .dl-cover img { transform: scale(1.05); }
.dl-grid .dl-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 7px; }
.dl-kicker { font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); font-family: Consolas, monospace; }
.dl-grid .dl-title { font-size: 17px; font-weight: 600; line-height: 1.45; color: var(--ink); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dl-card:hover .dl-title { color: var(--accent); }
.dl-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; color: var(--muted-2); font-family: Consolas, monospace; }
.dl-cta { flex: 0 0 44px; width: 44px; height: 44px; border-radius: 50%; background: var(--paper-2); color: var(--ink); display: grid; place-items: center; transition: all .3s var(--ease); }
.dl-card:hover .dl-cta { background: var(--accent); color: #fff; transform: translateY(2px); }

/* 侧栏咨询卡：加高、加信任点 */
.side-cta { padding: 34px 28px; }
.side-cta .side-cta-eyebrow { display: inline-block; font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--green); font-family: Consolas, monospace; margin-bottom: 14px; }
.side-cta h3 { font-size: 22px; }
.side-cta p { font-size: 13.5px; line-height: 1.75; }
.side-cta-list { list-style: none; margin: 20px 0 4px; padding: 18px 0 0; border-top: 1px solid rgba(255, 255, 255, .14); display: grid; gap: 11px; }
.side-cta-list li { position: relative; padding-left: 22px; font-size: 13px; color: rgba(255, 255, 255, .74); }
.side-cta-list li::before { content: ""; position: absolute; left: 0; top: 6px; width: 11px; height: 6px; border-left: 2px solid var(--green); border-bottom: 2px solid var(--green); transform: rotate(-45deg); }
.side-cta .btn { margin-top: 22px; }
.side-cta .tel { margin-top: 16px; }

@media (max-width: 1180px) {
  .dl-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .lc-row { gap: 16px; padding: 18px 4px; }
  .lc-row-date { flex: 0 0 62px; }
  .lc-row-date b { font-size: 24px; }
  .lc-row-desc { display: none; }
  .lc-row-thumb { flex: 0 0 104px; width: 104px; height: 70px; }
  .dl-grid .dl-cover { flex: 0 0 116px; width: 116px; height: 76px; }
  .dl-card { gap: 14px; padding: 12px; }
  .dl-meta { gap: 10px; font-size: 11.5px; }
}
/* 列表页给右侧浮动工具条留出空间，避免遮住卡片箭头与提示 */
@media (min-width: 901px) {
  .section-list .wrap { padding-right: calc(var(--gut) + 58px); }
}
@media (min-width: 1280px) {
  .dl-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dl-grid .dl-cover { flex: 0 0 160px; width: 160px; height: 104px; }
}
@media (max-width: 760px) {
  .lc-row { gap: 12px; }
  .lc-row-thumb { flex: 0 0 92px; width: 92px; height: 62px; border-radius: 6px; }
  .lc-row-date { flex: 0 0 50px; }
  .lc-row-date b { font-size: 20px; }
  .lc-row-date span { font-size: 10.5px; }
  .lc-row-title { font-size: 16px; -webkit-line-clamp: 2; }
  .lc-row-go { display: none; }
  .lc-row-main .lc-cat { font-size: 10px; }
}
/* ===== v19：下载详情页 ===== */
.dl-detail { max-width: 1180px; margin: 0 auto; }
.dl-detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 48px; align-items: start; }
.dl-cat { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); font-family: Consolas, monospace; }
.dl-head h1 { font-size: clamp(28px, 2.6vw, 40px); line-height: 1.28; margin: 14px 0 18px; }
.dl-head-meta { display: flex; flex-wrap: wrap; gap: 22px; padding-bottom: 22px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--muted-2); }
.dl-head-meta span { display: inline-flex; align-items: center; gap: 6px; }
.dl-head-meta em { font-style: normal; color: var(--ink); font-weight: 600; }
.dl-preview { position: relative; margin: 28px 0 34px; aspect-ratio: 16 / 10; border-radius: 14px; overflow: hidden; background: var(--paper-2); }
.dl-preview img { width: 100%; height: 100%; object-fit: cover; }
.dl-preview .thumb-ph { position: absolute; inset: 0; }
.dl-buy { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 28px; box-shadow: 0 30px 60px -42px rgba(10, 20, 60, .38); }
.dl-buy-kicker { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); font-family: Consolas, monospace; }
.dl-buy h2 { font-size: 20px; margin: 8px 0 16px; }
.dl-price { font-size: 13.5px; color: var(--muted); }
.dl-price strong { font-size: 22px; color: var(--ink); }
.dl-buy .btn-block { margin-top: 16px; }
.dl-buy-note { margin-top: 12px; font-size: 12.5px; color: var(--muted-2); }
.dl-buy-ok { margin-top: 10px; font-size: 13.5px; color: var(--ok); }
.dl-file { margin-top: 12px; }
.dl-code { margin-top: 8px; font-size: 13px; color: var(--muted); }
.dl-code strong { color: var(--accent); }
.dl-buy-list { list-style: none; margin: 20px 0 0; padding: 18px 0 0; border-top: 1px solid var(--line); display: grid; gap: 9px; font-size: 12.5px; color: var(--muted); }
.dl-buy-list li { position: relative; padding-left: 20px; }
.dl-buy-list li::before { content: ""; position: absolute; left: 0; top: 6px; width: 9px; height: 5px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.dl-side .side-block { margin-top: 26px; }
.dl-side .side-block:first-of-type { margin-top: 0; }
@media (max-width: 980px) {
  .dl-detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .dl-preview { margin: 22px 0 26px; }
}
/* v20：能力带 3 → 6 项 */
.iso-band-inner { grid-template-columns: repeat(6, 1fr); gap: 8px; }
.iso-item { flex-direction: column; text-align: center; gap: 6px; padding: 6px 8px; border-radius: 12px; }
.iso-item img { width: 118px; flex: 0 0 118px; }
.iso-item b { font-size: 16px; letter-spacing: .01em; }
.iso-item > span > span { font-size: 12px; margin-top: 5px; color: var(--muted-2); }
.iso-item:hover { background: #f7f9ff; }
.iso-item:hover img { transform: translateY(-4px); }
@media (max-width: 1200px) {
  .iso-band-inner { grid-template-columns: repeat(3, 1fr); gap: 18px 8px; }
  .iso-item img { width: 100px; flex-basis: 100px; }
}
@media (max-width: 720px) {
  .iso-band-inner { grid-template-columns: repeat(2, 1fr); gap: 14px 6px; }
  .iso-item img { width: 88px; flex-basis: 88px; }
  .iso-item b { font-size: 15px; }
}
/* v20：服务卡收紧，移动端不再留大片空白 */
.svc-card { min-height: 232px; padding: 30px 28px 26px; }
.svc-card h3 { margin-top: 36px; }
.svc-card .go { margin-top: 20px; }
@media (max-width: 760px) {
  .svc-card { min-height: 0; padding: 24px 22px 20px; }
  .svc-card h3 { margin-top: 26px; font-size: 22px; }
  .svc-card p { font-size: 14px; }
}
/* v22 首屏：文字走左侧实底，右侧露出 banner 原图，两者不再互相遮挡 */
.hero-bg-img { filter: none !important; transform: scale(1.02) !important; }
.hero-mask {
  background:
    linear-gradient(90deg, #00041a 0%, #00041a 37%, rgba(0, 4, 26, .92) 45%, rgba(0, 4, 26, .55) 58%, rgba(0, 4, 26, .18) 78%, rgba(0, 4, 26, .1) 100%),
    linear-gradient(180deg, rgba(0, 4, 26, .5) 0%, rgba(0, 4, 26, .12) 38%, rgba(0, 4, 26, .55) 100%);
}
.hero-copy { max-width: 620px; }
@media (max-width: 1100px) {
  .hero-mask {
    background:
      linear-gradient(90deg, #00041a 0%, #00041a 55%, rgba(0, 4, 26, .86) 72%, rgba(0, 4, 26, .55) 100%),
      linear-gradient(180deg, rgba(0, 4, 26, .4), rgba(0, 4, 26, .5));
  }
}
@media (max-width: 900px) {
  .hero-bg-img { filter: blur(6px) brightness(.55) !important; transform: scale(1.1) !important; }
  .hero-mask {
    background: linear-gradient(180deg, rgba(0, 4, 26, .8) 0%, rgba(0, 4, 26, .9) 55%, rgba(0, 4, 26, .95) 100%);
  }
  .hero-copy { max-width: none; }
}
/* v22 在线报价浮层 */
html.quote-open, html.quote-open body { overflow: hidden; }
.quote-modal { position: fixed; inset: 0; z-index: 400; display: none; color: var(--ink); }
.quote-modal.is-open { display: block; }
.quote-modal__mask { position: absolute; inset: 0; background: rgba(0, 4, 26, .6); }
.quote-modal__panel { position: relative; margin: 96px auto 0; width: min(1180px, 94vw); height: min(820px, calc(100vh - 136px)); background: #fff; border-radius: 16px; overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 40px 90px -30px rgba(0, 4, 26, .6); }
.quote-modal__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.quote-modal__title strong { display: block; font-size: 17px; font-weight: 600; color: var(--ink); }
.quote-modal__title span { display: block; margin-top: 3px; font-size: 12.5px; color: var(--muted); }
.quote-modal__ops { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.quote-modal__ops a { font-size: 13px; color: var(--accent); }
.quote-modal__close { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: 20px; line-height: 1; cursor: pointer; }
.quote-modal__close:hover { background: var(--paper-2); }
.quote-modal__frame { flex: 1; width: 100%; border: 0; background: #f7f8fc; }
.quote-modal__tip { margin: 0; padding: 9px 20px; font-size: 12px; color: var(--muted); background: #fbfcff; border-top: 1px solid var(--line); }
.quote-modal__tip a { color: var(--accent); }
@media (max-width: 760px) {
  .quote-modal__panel { margin: 0; width: 100vw; height: 100svh; border-radius: 0; }
  .quote-modal__tip { display: none; }
}
/* 联系页实时地图 */
.map-wrap--live { display: grid; grid-template-columns: 1.55fr 1fr; gap: 0; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: #fff; }
.map-canvas { min-height: 440px; background: #eef2f8; }
.map-canvas .map-fail { display: flex; align-items: center; justify-content: center; height: 100%; min-height: 440px; color: var(--muted); font-size: 14px; }
.map-side { padding: 30px 30px 26px; border-left: 1px solid var(--line); display: flex; flex-direction: column; }
.map-kicker { font: 600 11px/1 "SF Mono", Consolas, monospace; letter-spacing: .22em; color: var(--accent); }
.map-side h3 { margin: 12px 0 10px; font-size: 20px; line-height: 1.5; }
.map-side-note { font-size: 13.5px; line-height: 1.75; color: var(--muted); }
.map-meta { margin: 16px 0 20px; display: grid; gap: 8px; }
.map-meta li { font-size: 13px; color: var(--ink); display: flex; gap: 10px; }
.map-meta span { flex: 0 0 34px; color: var(--muted-2); }
.map-meta a { color: var(--accent); }
.map-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.tmap-card { min-width: 250px; padding: 10px 12px; background: #fff; border-radius: 8px; box-shadow: 0 2px 10px rgba(0, 0, 0, .12); font-size: 13px; line-height: 1.65; color: #222; }
.tmap-card b { display: block; margin-bottom: 4px; color: #c50; font-size: 13.5px; }
@media (max-width: 900px) {
  .map-wrap--live { grid-template-columns: 1fr; }
  .map-canvas { min-height: 320px; }
  .map-side { border-left: 0; border-top: 1px solid var(--line); padding: 22px 20px; }
}
/* 下载详情：与全站统一的深色头图 + 纸面内容 */
.dl-hero { position: relative; background: var(--ink); color: #fff; padding: 96px 0 64px; overflow: hidden; }
.dl-hero-bg { position: absolute; inset: 0; }
.dl-hero-bg img { width: 100%; height: 100%; object-fit: cover; filter: blur(4px) brightness(.42); transform: scale(1.06); }
.dl-hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,4,26,.92) 0%, rgba(0,4,26,.78) 45%, rgba(0,4,26,.5) 100%); }
.dl-hero-inner { position: relative; z-index: 2; }
.dl-hero .crumb, .dl-hero .crumb a { color: rgba(255,255,255,.62); }
.dl-hero .hero-tag { display: inline-block; margin: 14px 0 12px; padding: 4px 10px; border: 1px solid rgba(255,255,255,.3); font-size: 12px; letter-spacing: .06em; }
.dl-hero h1 { max-width: 22em; font-size: clamp(26px, 3vw, 44px); line-height: 1.32; color: #fff; }
.dl-hero .dl-head-meta { margin-top: 16px; color: rgba(255,255,255,.7); }
.dl-hero .dl-head-meta em { color: #fff; font-style: normal; }
.dl-section { margin-top: -34px; position: relative; z-index: 3; background: var(--paper); border-radius: 26px 26px 0 0; padding-top: 56px; }
@media (max-width: 760px) {
  .dl-hero { padding: 92px 0 56px; }
  .dl-section { margin-top: -24px; border-radius: 18px 18px 0 0; padding-top: 36px; }
}
/* 下载详情头图纹理与分隔线 */
.dl-hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(120% 100% at 20% 0%, #000 0%, rgba(0,0,0,.55) 55%, transparent 100%);
  -webkit-mask-image: radial-gradient(120% 100% at 20% 0%, #000 0%, rgba(0,0,0,.55) 55%, transparent 100%);
}
.dl-hero .dl-head-meta { border-bottom-color: rgba(255,255,255,.16); }
/* 文章详情：宽屏下正文与侧栏更贴合 */
@media (min-width: 1181px) {
  .article-layout { max-width: 1240px; grid-template-columns: minmax(0, 1fr) 320px; }
  .article-layout .prose--article { max-width: 840px; }
}
.map-area { margin: 6px 0 10px; font-size: 12px; line-height: 1.7; color: var(--muted-2); }
/* 正文：相邻图并成两列画廊；序号段落样式 */
.prose--article .prose-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 20px 0; }
.prose--article .prose-gallery p { margin: 0; }
.prose--article .prose-gallery img { width: 100%; height: auto; border-radius: 10px; box-shadow: 0 14px 34px -18px rgba(10,20,60,.28); }
.prose--article .prose-enum { padding-left: 14px; text-indent: -14px; }

/* 侧栏：合并后的 CTA 卡二维码行 */
.side-cta-qr { display: flex; align-items: center; gap: 12px; margin-top: 14px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.14); }
.side-cta-qr img { width: 64px; height: 64px; border-radius: 8px; background: #fff; padding: 4px; }
.side-cta-qr b { display: block; font-size: 14px; color: #fff; }
.side-cta-qr span { font-size: 12px; color: rgba(255,255,255,.66); }
@media (max-width: 640px) {
  .prose--article .prose-gallery { grid-template-columns: 1fr; }
}
/* ================= 新闻详情 · 大气版（v28） ================= */
/* 头图：更高、标题更大 */
.article-hero { padding: 168px 0 96px; }
.article-hero .breadcrumb { margin-bottom: 26px; }
.article-hero .article-cat { display: inline-block; padding: 6px 14px; font-size: 13px; letter-spacing: .12em; border: 1px solid rgba(255,255,255,.34); border-radius: 3px; }
.article-hero h1 { max-width: 24em; margin: 22px 0 0; font-size: clamp(30px, 3.6vw, 52px); line-height: 1.3; letter-spacing: .01em; }
.article-hero .article-meta { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 26px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.16); max-width: 640px; }
.article-hero .article-meta span { font-size: 13.5px; color: rgba(255,255,255,.78); }

/* 阅读进度条 */
.read-progress { position: fixed; left: 0; top: 0; height: 3px; width: 0; background: var(--accent); z-index: 120; transition: width .1s linear; }

/* 双栏：更宽的画布、更大的间距 */
.article-layout { max-width: 1320px; grid-template-columns: minmax(0, 1fr) 340px; gap: 72px; align-items: start; }
.prose--article { font-size: 18px; line-height: 2.15; }
.prose--article h2 { font-size: 26px; line-height: 1.4; margin: 64px 0 24px; padding-left: 18px; }
.prose--article p { margin: 0 0 26px; }
.prose--article .article-lead { font-size: 20px; line-height: 2; color: var(--ink); padding: 22px 26px; border-left: 4px solid var(--accent); background: #f7f9ff; margin: 0 0 34px; }
/* 图片出血：在大屏上突破正文列宽，显得开阔 */
@media (min-width: 1240px) {
  .prose--article .prose-figure { margin-left: -56px; margin-right: -56px; }
  .prose--article .prose-figure img { border-radius: 12px; }
}
.prose--article .prose-figure figcaption { margin-top: 14px; font-size: 13px; color: var(--muted-2); text-align: center; }
.prose--article .prose-gallery { gap: 20px; margin: 36px -56px; }
@media (max-width: 1239px) { .prose--article .prose-gallery { margin-left: 0; margin-right: 0; } }

/* 文末标签与上下篇：更舒展 */
.article-foot { margin-top: 72px; padding-top: 36px; border-top: 1px solid var(--line); }
.tag-row a { padding: 8px 16px; font-size: 13.5px; }
.prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 28px; }
.prevnext a { padding: 22px 26px; }
.prevnext strong { font-size: 16.5px; }

/* 相关内容：更大的卡片 */
.article-related { margin-top: 72px; }
.article-related .lc-grid--mini .lc-body { padding: 18px 20px; }
.article-related .lc-grid--mini .lc-title { font-size: 16px; }

/* 侧栏：去边框、留白分组、CTA 更有分量 */
.article-side { position: sticky; top: 96px; display: grid; gap: 40px; }
.side-block { background: transparent; border: 0; box-shadow: none; padding: 0; }
.side-block > .side-label, .toc-box h4 { display: block; font-size: 12px; letter-spacing: .22em; color: var(--muted-2); border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 14px; font-weight: 600; }
.toc-box { background: transparent; border: 0; padding: 0; box-shadow: none; }
.toc-box a { padding: 9px 0; font-size: 14.5px; }
.side-thumbs img, .side-thumb { border-radius: 8px; }
.side-cta { background: var(--ink); color: #fff; border-radius: 18px; padding: 34px 30px 30px; box-shadow: 0 30px 70px -30px rgba(0,4,26,.55); }
.side-cta .side-cta-eyebrow { color: var(--green); }
.side-cta h3 { font-size: 21px; color: #fff; margin: 12px 0 10px; }
.side-cta p { color: rgba(255,255,255,.72); font-size: 13.5px; line-height: 1.8; }
.side-cta .side-cta-list li { color: rgba(255,255,255,.86); }
.side-cta .side-cta-list li::before { border-color: rgba(255,255,255,.35); }
.side-cta .btn-solid { width: 100%; justify-content: center; margin-top: 18px; padding: 13px 0; font-size: 15px; }
.side-cta-tel { display: block; margin-top: 16px; text-align: center; font-size: 22px; font-weight: 600; color: #fff; letter-spacing: .02em; }
.side-cta-qr { margin: 18px auto 0; width: 96px; }

/* ≤980：侧栏变横向卡片流 */
@media (max-width: 980px) {
  .article-hero { padding: 130px 0 72px; }
  .article-layout { gap: 44px; }
  .article-side { position: static; grid-template-columns: 1fr 1fr; gap: 24px; }
  .side-cta { grid-column: 1 / -1; }
  .prevnext { grid-template-columns: 1fr; }
  .prose--article .prose-figure { margin-left: 0; margin-right: 0; }
}
@media (max-width: 640px) { .article-side { grid-template-columns: 1fr; } }
/* CTA 卡二维码：竖排居中，避免挤压 */
.side-cta .side-cta-qr { display: block; text-align: center; margin-top: 20px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.14); }
.side-cta .side-cta-qr img { display: block; margin: 0 auto 10px; }
.side-cta .side-cta-qr b { display: block; font-size: 14px; color: #fff; }
.side-cta .side-cta-qr span { display: block; margin-top: 4px; font-size: 12.5px; color: rgba(255,255,255,.6); }
/* ================= News detail · magazine edition (v29 story) ================= */
.story-hero { position: relative; height: min(74vh, 740px); min-height: 520px; background: var(--ink); color: #fff; overflow: hidden; display: flex; align-items: flex-end; }
.story-hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.story-hero-scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,4,26,.30) 0%, rgba(0,4,26,.10) 34%, rgba(0,4,26,.58) 66%, rgba(0,4,26,.92) 100%), linear-gradient(90deg, rgba(0,4,26,.55) 0%, rgba(0,4,26,.12) 55%, rgba(0,4,26,0) 100%); }
.story-hero-text { position: relative; z-index: 2; width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gut) 58px; }
.story-crumb, .story-crumb a { color: rgba(255,255,255,.66); font-size: 13px; }
.story-crumb { margin-bottom: 22px; }
.story-cat { display: inline-block; padding: 5px 13px; border: 1px solid rgba(255,255,255,.4); font-size: 12.5px; letter-spacing: .14em; color: #fff; }
.story-hero h1 { margin: 18px 0 0; max-width: 23em; font-size: clamp(30px, 4vw, 54px); font-weight: 600; line-height: 1.28; letter-spacing: .01em; }
.story-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 24px; color: rgba(255,255,255,.78); font-size: 13.5px; }
.story-meta span { display: inline-flex; align-items: center; gap: 7px; }
.story-meta svg { width: 15px; height: 15px; }
.story-meta i { width: 1px; height: 13px; background: rgba(255,255,255,.3); }
.section-story { padding: 80px 0 0; }
.story-col { max-width: 820px; margin: 0 auto; padding: 0 var(--gut); }
.prose--story { font-size: 18.5px; line-height: 2.2; color: #243044; }
.prose--story h2 { font-size: 28px; line-height: 1.4; margin: 68px 0 26px; padding-top: 34px; border-top: 1px solid var(--line); }
.prose--story p { margin: 0 0 28px; }
.prose--story .article-lead { font-size: 20px; line-height: 2.05; color: var(--ink); padding: 26px 30px; border-left: 4px solid var(--accent); background: #f6f8ff; margin: 0 0 40px; border-radius: 0 12px 12px 0; }
.prose--story .prose-figure img { border-radius: 12px; }
.prose--story .prose-figure figcaption { margin-top: 14px; font-size: 13px; color: var(--muted-2); text-align: center; }
.prose--story .prose-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 40px 0; }
.prose--story .prose-gallery .prose-figure { margin: 0; }
.prose--story .prose-enum { padding-left: 4px; }
@media (min-width: 1200px) {
  .prose--story .prose-figure { margin-left: -90px; margin-right: -90px; }
  .prose--story .prose-gallery { margin-left: -90px; margin-right: -90px; }
}
.article-foot { margin-top: 84px; padding-top: 40px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-row a { padding: 8px 16px; border: 1px solid var(--line); border-radius: 3px; font-size: 13.5px; color: var(--muted); }
.tag-row a:hover { color: var(--accent); border-color: var(--accent); }
.share-row { font-size: 13.5px; color: var(--muted-2); }
.share-row a { color: var(--accent); margin-left: 8px; }
.prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 44px; }
.prevnext a { border: 1px solid var(--line); border-radius: 14px; padding: 24px 28px; display: block; background: #fff; transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.prevnext a:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.prevnext small { display: block; font-size: 12px; letter-spacing: .18em; color: var(--muted-2); margin-bottom: 8px; }
.prevnext strong { font-size: 16.5px; line-height: 1.55; color: var(--ink); font-weight: 600; }
.story-cta { margin-top: 96px; background: var(--ink); color: #fff; padding: 64px 0; }
.story-cta-in { display: grid; grid-template-columns: 1fr auto; gap: 56px; align-items: center; }
.story-cta-eyebrow { font-size: 12px; letter-spacing: .26em; color: var(--green); font-weight: 600; }
.story-cta h3 { margin: 14px 0 12px; font-size: clamp(24px, 2.6vw, 34px); font-weight: 600; color: #fff; }
.story-cta p { color: rgba(255,255,255,.72); line-height: 1.9; max-width: 560px; margin: 0; }
.story-cta-acts { display: flex; align-items: center; gap: 26px; margin-top: 26px; flex-wrap: wrap; }
.story-cta .btn-solid { padding: 14px 30px; font-size: 15.5px; }
.story-cta-tel { font-size: 24px; font-weight: 600; color: #fff; letter-spacing: .03em; }
.story-cta-qr { text-align: center; background: #fff; color: var(--ink); border-radius: 14px; padding: 18px 22px 16px; }
.story-cta-qr img { display: block; margin: 0 auto 10px; }
.story-cta-qr b { display: block; font-size: 14px; }
.story-cta-qr span { display: block; margin-top: 3px; font-size: 12px; color: var(--muted-2); }
.story-related { margin-top: 72px; padding-bottom: 88px; }
.story-related-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 26px; }
.story-related-head h2 { font-size: 26px; font-weight: 600; }
.story-more { font-size: 14px; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; }
.story-related .lc-grid--mini { grid-template-columns: repeat(3, 1fr); gap: 24px; }
.story-related .lc-grid--mini .lc-thumb { aspect-ratio: 16 / 10; border-radius: 12px; }
.story-related .lc-grid--mini .lc-body { padding: 16px 2px; }
.story-related .lc-grid--mini .lc-title { font-size: 16.5px; }
@media (max-width: 900px) {
  .story-hero { height: auto; min-height: 0; }
  .story-hero-img { position: relative; height: 46vh; }
  .story-hero-scrim { background: linear-gradient(180deg, rgba(0,4,26,.12) 0%, rgba(0,4,26,.7) 78%, rgba(0,4,26,.96) 100%); }
  .story-hero-text { margin-top: -180px; }
  .story-hero h1 { font-size: 27px; }
  .section-story { padding: 48px 0 0; }
  .prose--story { font-size: 17px; }
  .prose--story h2 { font-size: 22px; margin: 48px 0 20px; padding-top: 26px; }
  .prose--story .prose-figure { margin-left: 0 !important; margin-right: 0 !important; }
  .story-cta-in { grid-template-columns: 1fr; gap: 36px; }
  .story-cta-qr { justify-self: start; }
  .prevnext { grid-template-columns: 1fr; }
  .story-related .lc-grid--mini { grid-template-columns: 1fr; }
}

/* v29 修正：压过 #main > section 底色规则 */
#main > section.story-cta { background: var(--ink); color: #fff; }
.story-more svg { width: 15px; height: 15px; }
/* 封面无图时的网格纹理兜底 */
.story-hero::before { content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 100%, #000 0%, rgba(0,0,0,.5) 60%, transparent 100%);
  mask-image: radial-gradient(120% 90% at 50% 100%, #000 0%, rgba(0,0,0,.5) 60%, transparent 100%); }
/* ================= v30 · 减法：统一节奏，去杂乱 ================= */
/* 所有图片走同一条「媒体车道」：比正文宽 220px，上下间距固定 */
.prose--story .prose-figure { margin: 48px -110px !important; }
.prose--story .prose-gallery { margin: 48px -110px !important; gap: 16px; }
.prose--story .prose-figure img { display: block; width: 100%; border-radius: 10px; }
.prose--story .prose-gallery .prose-figure { margin: 0 !important; }
.prose--story .prose-figure figcaption { margin-top: 12px; font-size: 12.5px; }
/* 正文节奏更稳 */
.prose--story { font-size: 18px; line-height: 2.15; }
.prose--story h2 { margin: 64px 0 22px; padding-top: 30px; font-size: 25px; }
.prose--story p { margin: 0 0 24px; }
.prose--story .article-lead { font-size: 19px; padding: 22px 26px; margin-bottom: 36px; }
/* 文末做减法：去卡片、去胶囊边框 */
.article-foot { margin-top: 64px; }
.tag-row { gap: 6px 18px; }
.tag-row a { border: 0; padding: 0; color: var(--accent); }
.tag-row a:hover { color: var(--ink); }
.share-row { display: none; }
.prevnext { border-top: 1px solid var(--line); margin-top: 0; padding-top: 26px; gap: 40px; }
.prevnext a { border: 0; background: none; padding: 0; box-shadow: none !important; transform: none !important; }
.prevnext a:hover strong { color: var(--accent); }
.prevnext small { margin-bottom: 6px; }
.prevnext strong { font-size: 15.5px; }
/* 咨询横幅收窄 */
.story-cta { margin-top: 80px; padding: 52px 0; }
.story-cta h3 { font-size: 26px; margin: 12px 0 8px; }
.story-cta p { font-size: 14.5px; }
.story-cta-acts { margin-top: 20px; gap: 20px; }
.story-cta .btn-solid { padding: 12px 26px; font-size: 14.5px; }
.story-cta-tel { font-size: 21px; }
.story-cta-qr img { width: 88px; height: 88px; }
/* 相关内容：无边框卡片 */
.story-related { margin-top: 64px; padding-bottom: 80px; }
.story-related .lc-card { border: 0; box-shadow: none; background: none; }
.story-related .lc-card:hover { box-shadow: none; transform: none; }
.story-related .lc-grid--mini { gap: 20px; }
.story-related .lc-grid--mini .lc-thumb { border-radius: 10px; }
.story-related .lc-grid--mini .lc-title { font-size: 15.5px; line-height: 1.6; }
@media (max-width: 1100px) {
  .prose--story .prose-figure { margin-left: 0 !important; margin-right: 0 !important; }
  .prose--story .prose-gallery { margin-left: 0 !important; margin-right: 0 !important; }
}
@media (max-width: 900px) {
  .prose--story .prose-figure { margin: 32px 0 !important; }
  .prose--story .prose-gallery { margin: 32px 0 !important; }
  .article-foot { margin-top: 48px; }
}
/* 相关卡片元信息行（延伸阅读） */
.story-related .lc-meta { display: flex; align-items: center; gap: 10px; margin-top: 9px; font-size: 12.5px; color: var(--muted-2); }
.story-related .lc-meta i { width: 1px; height: 11px; background: var(--line); }
/* 新闻版 CTA 微差：绿色 eyebrow */
.story-cta--news .story-cta-eyebrow { color: var(--green); }
/* ===== v32：内容页细节修正 ===== */
/* 2) 正文图片不再两列（保护后台段落样式） */
.prose--story .prose-gallery { grid-template-columns: 1fr !important; }
.prose--article .prose-gallery { grid-template-columns: 1fr !important; }
/* 3) CTA 左右收拢：整行限宽居中，间距 64 */
#main > section .story-cta-in { max-width: 1060px; margin-left: auto; margin-right: auto; column-gap: 64px; }
/* 5) 分类徽章不提前换行 */
.story-cat { white-space: nowrap; flex: 0 0 auto; }
/* 6) 正文加宽 + 图片圆角阴影 */
.story-col { max-width: 900px; }
.prose--story .prose-figure img,
.prose--story .prose-gallery img { border-radius: 10px; box-shadow: 0 18px 44px -22px rgba(10, 20, 60, .32); }
/* 8) 在线留言表单：每字段一行 */
.form-stack .form-grid, form[data-stack] .form-grid { grid-template-columns: 1fr; }
/* 相关条目少时自动铺满，不留空位 */
.story-related .lc-grid--mini { grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
/* 顶栏右侧：去掉电话与报价按钮（导航与页脚已有入口），避免遮挡 */
.header-actions .header-tel,
.header-actions .btn-solid[data-quote-open] { display: none; }
/* 合作客户 Logo 墙（双轨跑马灯，灰度→彩色） */
.section-partners { padding-bottom: 40px; }
.logo-marquee { overflow: hidden; padding: 10px 0 0;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.logo-track { display: flex; align-items: center; gap: 18px; width: max-content; animation: logo-scroll 46s linear infinite; }
.logo-marquee:hover .logo-track { animation-play-state: paused; }
.logo-item { display: flex; align-items: center; justify-content: center; width: 208px; height: 92px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.logo-item img { max-width: 150px; max-height: 60px; object-fit: contain; filter: grayscale(1) opacity(.55); transition: filter .35s, transform .35s; }
.logo-item:hover img { filter: none; transform: scale(1.05); }
@keyframes logo-scroll { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .logo-track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; } }
@media (max-width: 760px) { .logo-item { width: 158px; height: 74px; } .logo-item img { max-width: 120px; max-height: 50px; } }

/* 关于我们：数据带升级为全宽深色大气版 */
.about-stats {
  list-style: none; margin: 48px calc(50% - 50vw) 0; padding: 64px calc((100vw - 1320px) / 2 + var(--gut));
  background: var(--ink); display: grid; grid-template-columns: repeat(3, 1fr); position: relative;
}
.about-stats::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px; mask-image: radial-gradient(120% 100% at 50% 0%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(120% 100% at 50% 0%, #000, transparent 75%);
}
.about-stats li { position: relative; text-align: center; padding: 6px 12px; }
.about-stats li + li::before { content: ""; position: absolute; left: 0; top: 14%; bottom: 14%; width: 1px; background: rgba(255,255,255,.14); }
.about-stats strong { display: block; font-size: clamp(48px, 5vw, 72px); font-weight: 600; line-height: 1.05; color: #fff; letter-spacing: -.01em; }
.about-stats strong em { font-style: normal; font-size: 22px; color: var(--green); margin-left: 6px; }
.about-stats li > span { display: block; margin-top: 12px; font-size: 14px; letter-spacing: .12em; color: rgba(255,255,255,.6); }
@media (max-width: 900px) {
  .about-stats { grid-template-columns: 1fr; gap: 8px; padding: 48px var(--gut); margin-top: 32px; }
  .about-stats li + li::before { display: none; }
}
/* 数字本体继承大字号（覆盖旧 .about-stats span 13.5px） */
.about-stats strong span { font-size: inherit; line-height: inherit; color: #fff; }
/* ===== v35 ===== */
/* 2) section 顶部不再要圆角 */
#services, .dl-section { border-radius: 0; }
/* 1) hero 支持拖动切换（视觉上图片跟随微移） */
.hero-bgs { cursor: grab; }
.hero-bgs.is-dragging { cursor: grabbing; }
/* 3) 合作客户大胆化：深色带 + 描边大字水印 */
#main > section.section-partners { background-color: var(--ink) !important; padding-top: 88px; padding-bottom: 96px; position: relative; overflow: hidden; }
.section-partners::before {
  content: "600+ PROJECTS"; position: absolute; left: 50%; top: 8px; transform: translateX(-50%);
  font: 700 clamp(64px, 9vw, 132px)/1 "Arial Black", "PingFang SC", sans-serif; letter-spacing: .04em;
  color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.14); white-space: nowrap; pointer-events: none;
}
.section-partners .eyebrow { color: var(--green); }
.section-partners .display-sm, .section-partners .section-sub { color: #fff; }
.section-partners .section-sub { color: rgba(255,255,255,.6); }
.section-partners .logo-item { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); }
.section-partners .logo-item img { filter: grayscale(1) opacity(.75); }
.section-partners .logo-item:hover { border-color: rgba(255,255,255,.4); }
.section-partners .logo-item:hover img { filter: none; }
.logo-marquee { mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
/* 4) 关于我们数据带下方的实景背景带 */
.about-photo {
  height: clamp(320px, 42vw, 560px); margin-top: 0; background-size: cover; background-position: center 60%;
  position: relative; display: flex; align-items: flex-end;
}
.about-photo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,4,26,.1), rgba(0,4,26,.55)); }
.about-photo-cap { position: relative; z-index: 2; width: 100%; padding: 28px var(--gut); display: flex; align-items: baseline; gap: 18px; }
.about-photo-cap b { color: #fff; font-size: clamp(18px, 2.2vw, 26px); font-weight: 600; }
.about-photo-cap span { color: rgba(255,255,255,.75); font-size: 13.5px; letter-spacing: .06em; }
/* ===== v36：banner 纯图右侧 + 列表加载更多 ===== */
/* 蒙层只保左侧文案底（到 60% 渐隐）与底部细压暗，右侧完全露出原图 */
.hero-mask {
  background:
    linear-gradient(90deg, rgba(0,4,26,.97) 0%, rgba(0,4,26,.93) 34%, rgba(0,4,26,.55) 52%, rgba(0,4,26,0) 66%),
    linear-gradient(180deg, rgba(0,4,26,0) 72%, rgba(0,4,26,.5) 100%);
}
@media (max-width: 900px) {
  .hero-mask { background: linear-gradient(180deg, rgba(0,4,26,.35) 0%, rgba(0,4,26,.88) 100%); }
}
/* 加载更多 */
.loadmore-row { display: flex; justify-content: center; margin: 36px 0 10px; }
#loadMoreBtn { min-width: 168px; }
#loadMoreBtn:disabled { opacity: .55; cursor: default; }
/* ===== v37：banner 拖动反馈 + 详情正文折叠 ===== */
#hero { cursor: grab; }
#hero.is-dragging { cursor: grabbing; }
#hero.is-dragging { user-select: none; }
.hero-bgs { transition: transform .45s cubic-bezier(.22, .61, .36, 1); will-change: transform; }
#hero.is-dragging .hero-bgs { transition: none; }
#hero.is-dragging .hero-bg-img { filter: none !important; }

.prose--story.is-folded { max-height: 940px; overflow: hidden; position: relative; }
.prose--story.is-folded::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 220px;
  background: linear-gradient(180deg, rgba(255,255,255,0), #fff 78%);
  pointer-events: none;
}
.prose-fold-btn {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  margin: 8px auto 0; padding: 12px 30px; border: 1px solid var(--line);
  border-radius: 999px; background: #fff; color: var(--ink); font-size: 14px; cursor: pointer;
  transition: border-color .2s, color .2s, box-shadow .2s;
}
.prose-fold-btn:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 10px 24px -16px rgba(44,104,255,.5); }
.prose-fold-btn span { font-size: 12px; }
/* 移动端折叠高度更矮 */
@media (max-width: 760px) { .prose--story.is-folded { max-height: 720px; } }
/* 拖动 banner 时不允许露出任何静态底图：hero 只留纯色底 */
#hero { background-image: none !important; background-color: var(--ink); }
/* ===== v38：banner 拖动时相邻图跟手进入（不再露底/露空） ===== */
.hero-bgs { transform: none !important; }
.hero-bg-img { position: absolute; inset: 0; background-size: cover; background-position: center 38%; background-repeat: no-repeat; opacity: 0; transition: opacity .55s ease; }
.hero-bg-img.is-active { opacity: 1; }
#hero.is-dragging .hero-bg-img { transition: none !important; }
#hero.is-dragging .hero-bg-img.is-active { transform: translateX(var(--dx, 0px)) scale(1.02) !important; }
#hero.is-dragging .hero-bg-img.is-peek { opacity: 1; }
#hero.is-dragging .hero-bg-img.is-peek[data-dir="next"] { transform: translateX(calc(100% + var(--dx, 0px))) scale(1.02) !important; }
#hero.is-dragging .hero-bg-img.is-peek[data-dir="prev"] { transform: translateX(calc(-100% + var(--dx, 0px))) scale(1.02) !important; }