/* ============================================================
   甘肃工业互联网平台 · 全局样式表
   Gansu Industrial Internet Platform · Global Stylesheet
   设计基调：科技潮流 / 工业数字 / 丝路蓝金
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root {
  /* 主色体系 */
  --c-primary: #165dff;
  --c-primary-d: #0e42bd;
  --c-primary-l: #4080ff;
  --c-aux: #e8f3ff;
  --c-cyan: #00c8ff;
  --c-gold: #f2b23e;
  --c-gold-d: #d8912a;

  /* 中性色 */
  --c-ink: #16202f;
  --c-text: #2b3648;
  --c-sub: #5a6577;
  --c-mute: #8a94a6;
  --c-line: #e4eaf2;
  --c-bg: #ffffff;
  --c-bg-soft: #f5f8fc;
  --c-bg-deep: #0b1730;

  /* 布局 */
  --wrap: 1240px;
  --gap: 24px;
  --radius: 14px;
  --radius-s: 8px;
  --header-h: 72px;

  /* 阴影 */
  --sh-1: 0 2px 10px rgba(22, 93, 255, .06);
  --sh-2: 0 8px 28px rgba(22, 93, 255, .12);
  --sh-3: 0 16px 48px rgba(11, 23, 48, .18);

  /* 动效 */
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 2. 基础重置 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
  letter-spacing: .2px;
}
body.lang-en { font-family: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif; }
img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease); }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; }
table { border-collapse: collapse; width: 100%; }
::selection { background: var(--c-primary); color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #cbd5e6; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-primary-l); }
::-webkit-scrollbar-track { background: #f1f4f9; }

/* ---------- 3. 布局工具 ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.wrap-wide { max-width: 1560px; }
.section { padding: 76px 0; position: relative; }
.section-sm { padding: 48px 0; }
.section-soft { background: var(--c-bg-soft); }
.section-deep { background: var(--c-bg-deep); color: #fff; }
.grid { display: grid; gap: var(--gap); }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.g-5 { grid-template-columns: repeat(5, 1fr); }
.row { display: flex; align-items: center; }
.row-between { display: flex; align-items: center; justify-content: space-between; }
.text-c { text-align: center; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; }
.mb-12 { margin-bottom: 12px; } .mb-24 { margin-bottom: 24px; } .mb-32 { margin-bottom: 32px; }

/* ---------- 4. 排版 ---------- */
h1, h2, h3, h4, h5 { color: var(--c-ink); font-weight: 700; line-height: 1.35; letter-spacing: .3px; }
h1 { font-size: 40px; }
h2 { font-size: 30px; }
h3 { font-size: 20px; }
h4 { font-size: 17px; }
p { color: var(--c-sub); }
.section-deep h1, .section-deep h2, .section-deep h3, .section-deep h4 { color: #fff; }
.section-deep p { color: rgba(255, 255, 255, .72); }

/* 区块标题 */
.head-bar { margin-bottom: 40px; }
.head-bar.center { text-align: center; }
.head-bar .eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: 2px; font-weight: 600;
  color: var(--c-primary); background: var(--c-aux);
  padding: 5px 14px; border-radius: 40px; margin-bottom: 14px;
}
.head-bar .eyebrow::before { content: ""; display: inline-block; width: 6px; height: 6px;
  background: var(--c-primary); border-radius: 50%; margin-right: 8px; vertical-align: middle; }
.head-bar h2 { font-size: 32px; margin-bottom: 10px; }
.head-bar .desc { font-size: 15px; color: var(--c-sub); max-width: 760px; }
.head-bar.center .desc { margin: 0 auto; }
.section-deep .head-bar .eyebrow { color: #7fd6ff; background: rgba(0, 200, 255, .12); }
.section-deep .head-bar .eyebrow::before { background: var(--c-cyan); }

/* 强调文本 */
.txt-primary { color: var(--c-primary); }
.txt-cyan { color: var(--c-cyan); }
.txt-gold { color: var(--c-gold); }
.txt-strong { color: var(--c-ink); font-weight: 600; }

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 26px; border-radius: 40px; font-size: 15px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: all .3s var(--ease);
}
.btn-primary { background: linear-gradient(120deg, var(--c-primary), var(--c-primary-l)); color: #fff; box-shadow: 0 6px 18px rgba(22, 93, 255, .28); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(22, 93, 255, .38); color: #fff; }
.btn-ghost { background: #fff; color: var(--c-primary); border-color: var(--c-primary); }
.btn-ghost:hover { background: var(--c-aux); transform: translateY(-2px); }
.btn-outline-w { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .45); }
.btn-outline-w:hover { background: rgba(255, 255, 255, .12); border-color: #fff; color: #fff; }
.btn-gold { background: linear-gradient(120deg, var(--c-gold), #ffd07a); color: #33240a; }
.btn-gold:hover { transform: translateY(-2px); }
.btn-sm { height: 36px; padding: 0 18px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- 6. 顶部导航 ---------- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  height: var(--header-h); background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(228, 234, 242, .9);
  transition: box-shadow .3s var(--ease), background .3s var(--ease);
}
.header.on-scroll { box-shadow: 0 4px 20px rgba(11, 23, 48, .08); }
.header-inner { height: var(--header-h); display: flex; align-items: center; gap: 28px; }

.logo { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.logo-mark {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--c-primary), var(--c-cyan));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(22, 93, 255, .3);
}
.logo-mark svg { width: 24px; height: 24px; }
.logo-txt { line-height: 1.2; }
.logo-txt b { display: block; font-size: 17px; color: var(--c-ink); letter-spacing: .5px; }
.logo-txt span { display: block; font-size: 11px; color: var(--c-mute); letter-spacing: 1.4px; text-transform: uppercase; }

/* .nav 的真实 DOM 结构为 nav.nav > ul > li，选择器须用 > ul > li 层级 */
.nav { display: flex; align-items: center; flex: 1; min-width: 0; }
.nav > ul { display: flex; align-items: center; gap: 2px; flex-wrap: nowrap; }
.nav > ul > li { position: relative; white-space: nowrap; flex-shrink: 0; }
.nav > ul > li > a {
  display: block; padding: 8px 12px; font-size: 15px; color: var(--c-text);
  font-weight: 500; border-radius: 6px; position: relative; white-space: nowrap;
}
.nav > ul > li > a::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2px;
  background: var(--c-primary); border-radius: 2px; transform: scaleX(0); transform-origin: center;
  transition: transform .28s var(--ease);
}
.nav > ul > li > a:hover { color: var(--c-primary); }
.nav > ul > li > a:hover::after, .nav > ul > li.active > a::after { transform: scaleX(1); }
.nav > ul > li.active > a { color: var(--c-primary); font-weight: 600; }

/* 二级下拉 */
/* hover 时须保留 translateX(-50%)，否则下拉会脱离居中位置 */
.nav > ul > li.has-sub:hover .sub-nav { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.sub-nav {
  position: absolute; top: 100%; left: 50%; transform: translate(-50%, 8px);
  min-width: 210px; background: #fff; border: 1px solid var(--c-line);
  border-radius: 12px; box-shadow: var(--sh-2); padding: 8px; z-index: 20;
  opacity: 0; visibility: hidden; transition: all .28s var(--ease);
}
.sub-nav a { display: block; padding: 9px 14px; font-size: 14px; color: var(--c-text); border-radius: 8px; }
.sub-nav a:hover { background: var(--c-aux); color: var(--c-primary); }
/* 末项下拉改为右对齐，避免超出容器右边界 */
.nav > ul > li:last-child .sub-nav { left: auto; right: 0; transform: translate(0, 8px); }
.nav > ul > li:last-child:hover .sub-nav { transform: translate(0, 0); }

/* 头部右侧工具 */
.head-tools { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.search-box { position: relative; }
.search-box input {
  width: 190px; height: 38px; border: 1px solid var(--c-line); border-radius: 40px;
  padding: 0 34px 0 14px; background: #fff; font-size: 14px; transition: all .28s var(--ease);
}
.search-box input:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(22, 93, 255, .12); width: 230px; }
.search-box .s-icon { position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; border: 0; background: transparent; color: var(--c-mute); cursor: pointer; }
.search-box .s-icon:hover { color: var(--c-primary); }

.lang-btn {
  display: flex; align-items: center; height: 34px; padding: 0 4px; gap: 2px;
  border: 1px solid var(--c-line); border-radius: 40px; background: #fff; cursor: pointer;
}
.lang-btn span { padding: 0 12px; font-size: 13px; font-weight: 600; color: var(--c-mute); border-radius: 40px; line-height: 26px; transition: all .25s var(--ease); }
.lang-btn span.on { background: var(--c-primary); color: #fff; }

.burger { display: none; width: 40px; height: 40px; border: 1px solid var(--c-line); border-radius: 8px;
  background: #fff; cursor: pointer; padding: 9px 8px; }
.burger i { display: block; height: 2px; background: var(--c-ink); margin: 4px 0; border-radius: 2px; transition: all .25s var(--ease); }

/* 移动端抽屉 */
.drawer {
  position: fixed; inset: var(--header-h) 0 0 0; z-index: 890; background: #fff;
  padding: 24px 20px 60px; overflow-y: auto; transform: translateX(100%);
  transition: transform .35s var(--ease);
}
.drawer.open { transform: translateX(0); }
.drawer a { display: block; padding: 14px 4px; font-size: 16px; border-bottom: 1px solid var(--c-line); color: var(--c-ink); }
.drawer a:hover { color: var(--c-primary); }
.drawer .drawer-sub a { padding-left: 20px; font-size: 14px; color: var(--c-sub); }

/* ---------- 7. 页头横幅 ---------- */
.page-banner {
  margin-top: var(--header-h); padding: 66px 0 58px; position: relative; overflow: hidden;
  background: linear-gradient(120deg, #0b1730 0%, #12306b 55%, #165dff 100%);
  color: #fff;
}
.page-banner::before {
  content: ""; position: absolute; inset: 0;
  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: 46px 46px; mask-image: radial-gradient(circle at 70% 30%, #000 0%, transparent 72%);
}
.page-banner::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(0, 200, 255, .32), transparent 66%); border-radius: 50%;
}
.page-banner .wrap { position: relative; z-index: 2; }
.page-banner .crumb { font-size: 13px; color: rgba(255, 255, 255, .65); margin-bottom: 12px; }
.page-banner .crumb a:hover { color: #fff; }
.page-banner h1 { color: #fff; font-size: 38px; margin-bottom: 12px; }
.page-banner .lead { font-size: 16px; color: rgba(255, 255, 255, .8); max-width: 720px; }
.page-banner .banner-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.page-banner .banner-tags span {
  font-size: 13px; padding: 5px 14px; border-radius: 40px;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22);
}
.banner-stats { display: flex; flex-wrap: wrap; gap: 40px; margin-top: 30px; }
.banner-stats div b { display: block; font-size: 30px; color: #fff; font-weight: 700; line-height: 1.2; }
.banner-stats div span { font-size: 13px; color: rgba(255, 255, 255, .68); }

/* ---------- 8. 首页 Hero 轮播 ---------- */
.hero { position: relative; margin-top: var(--header-h); height: 620px; overflow: hidden; background: #0b1730; }
.hero-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity .9s var(--ease);
  display: flex; align-items: center;
}
.hero-slide.active { opacity: 1; }
.hero-bg { position: absolute; inset: 0; overflow: hidden; }
.hero-bg img, .hero-bg svg { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(6, 14, 32, .9) 0%, rgba(6, 14, 32, .62) 46%, rgba(6, 14, 32, .18) 100%);
}
.hero-body { position: relative; z-index: 3; width: 100%; }
.hero-body .wrap { max-width: var(--wrap); }
.hero-txt { max-width: 660px; color: #fff; }
.hero-txt .tag {
  display: inline-block; font-size: 12px; letter-spacing: 2.4px; font-weight: 600;
  padding: 6px 16px; border-radius: 40px; margin-bottom: 20px;
  background: rgba(0, 200, 255, .14); border: 1px solid rgba(0, 200, 255, .45); color: #7fe3ff;
}
.hero-txt h1 { color: #fff; font-size: 50px; line-height: 1.22; margin-bottom: 18px; }
.hero-txt h1 em { font-style: normal; color: #62d4ff; }
.hero-txt .lead { font-size: 16.5px; color: rgba(255, 255, 255, .82); margin-bottom: 30px; }
.hero-txt .btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-dots { position: absolute; left: 0; right: 0; bottom: 34px; z-index: 5; }
.hero-dots .wrap { display: flex; align-items: center; gap: 12px; }
.hero-dots i {
  width: 34px; height: 4px; border-radius: 4px; background: rgba(255, 255, 255, .32);
  cursor: pointer; transition: all .3s var(--ease);
}
.hero-dots i.on { background: var(--c-cyan); width: 58px; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5; width: 46px; height: 46px;
  border-radius: 50%; border: 1px solid rgba(255, 255, 255, .3); background: rgba(255, 255, 255, .08);
  color: #fff; cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all .3s var(--ease);
}
.hero-arrow:hover { background: rgba(255, 255, 255, .22); }
.hero-arrow.prev { left: 20px; } .hero-arrow.next { right: 20px; }

/* ---------- 9. 数据指标 ---------- */
.metrics {
  background: #fff; margin-top: -46px; position: relative; z-index: 20;
  border-radius: var(--radius); box-shadow: var(--sh-2); overflow: hidden;
}
.metrics-inner { display: grid; grid-template-columns: repeat(6, 1fr); }
.metrics-inner .m-item { padding: 26px 18px; text-align: center; border-right: 1px solid var(--c-line); }
.metrics-inner .m-item:last-child { border-right: 0; }
.m-item b { display: block; font-size: 27px; color: var(--c-primary); font-weight: 700; line-height: 1.2; }
.m-item b i { font-style: normal; font-size: 15px; margin-left: 2px; font-weight: 600; }
.m-item span { font-size: 13px; color: var(--c-sub); }
.m-item small { display: block; font-size: 11px; color: var(--c-gold); margin-top: 3px; }

/* ---------- 10. 卡片 ---------- */
.card {
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 26px; transition: all .32s var(--ease); position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--sh-2); border-color: rgba(22, 93, 255, .35); }
.card .ico {
  width: 52px; height: 52px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  background: var(--c-aux); margin-bottom: 18px; color: var(--c-primary);
}
.card .ico svg { width: 26px; height: 26px; }
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { font-size: 14px; }
.card .more { display: inline-flex; align-items: center; gap: 5px; font-size: 14px; color: var(--c-primary); font-weight: 600; margin-top: 14px; }
.card .more:hover { gap: 10px; }

.card-dark {
  background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius); padding: 26px; transition: all .32s var(--ease);
}
.card-dark:hover { background: rgba(255, 255, 255, .09); border-color: rgba(0, 200, 255, .45); transform: translateY(-4px); }
.card-dark h3, .card-dark h4 { color: #fff; }
.card-dark p { color: rgba(255, 255, 255, .68); font-size: 14px; }
.card-dark .ico { background: rgba(0, 200, 255, .14); color: #67dcff; }

/* 带角标卡片 */
.card-tag {
  position: absolute; top: 0; right: 0; font-size: 11px; font-weight: 600;
  background: linear-gradient(120deg, var(--c-gold), #ffd280); color: #33240a;
  padding: 3px 12px; border-radius: 0 var(--radius) 0 10px;
}

/* ---------- 11. 图文分栏 ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split.reverse .split-txt { order: 2; }
.split-visual {
  border-radius: var(--radius); overflow: hidden; position: relative; min-height: 320px;
  background: linear-gradient(140deg, var(--c-aux), #d9e9ff);
  display: flex; align-items: center; justify-content: center;
}
.split-visual svg { width: 100%; height: 100%; }
.split-txt h2 { font-size: 30px; margin-bottom: 16px; }
.split-txt .lead { font-size: 15.5px; margin-bottom: 20px; }
.feat-list { margin-top: 22px; display: grid; gap: 14px; }
.feat-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--c-text); }
.feat-list li .dot {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0; margin-top: 2px;
  background: var(--c-aux); color: var(--c-primary); display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}

/* ---------- 12. 筛选与标签 ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.filters button {
  height: 36px; padding: 0 18px; border-radius: 40px; border: 1px solid var(--c-line);
  background: #fff; font-size: 14px; color: var(--c-text); cursor: pointer; transition: all .25s var(--ease);
}
.filters button:hover { border-color: var(--c-primary); color: var(--c-primary); }
.filters button.on { background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 600; }
.filter-item.hide { display: none; }

.tag-line { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.tag-line span {
  font-size: 12px; padding: 3px 10px; border-radius: 4px;
  background: var(--c-aux); color: var(--c-primary);
}
.tag-line.dark span { background: rgba(255, 255, 255, .1); color: rgba(255, 255, 255, .78); }

/* ---------- 13. 列表/条目 ---------- */
.entry-list { display: grid; gap: 14px; }
.entry {
  display: flex; gap: 20px; align-items: flex-start; padding: 20px 22px;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  transition: all .3s var(--ease);
}
.entry:hover { box-shadow: var(--sh-1); border-color: rgba(22, 93, 255, .3); transform: translateX(4px); }
.entry .e-date {
  flex-shrink: 0; width: 74px; text-align: center; padding: 8px 0;
  border-right: 1px solid var(--c-line);
}
.entry .e-date b { display: block; font-size: 24px; color: var(--c-primary); line-height: 1.1; }
.entry .e-date span { font-size: 12px; color: var(--c-mute); }
.entry .e-body h4 { font-size: 16.5px; margin-bottom: 6px; }
.entry .e-body p { font-size: 14px; }
.entry .e-side { flex-shrink: 0; margin-left: auto; }

/* 新闻卡 */
.news-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; transition: all .32s var(--ease); }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--sh-2); }
.news-card .nc-pic { height: 168px; background: linear-gradient(140deg, #d7e6ff, var(--c-aux)); overflow: hidden; }
.news-card .nc-pic svg { width: 100%; height: 100%; }
.news-card .nc-body { padding: 20px; }
.news-card .nc-body .meta { font-size: 12px; color: var(--c-mute); margin-bottom: 8px; display: flex; gap: 12px; }
.news-card .nc-body h4 { font-size: 16.5px; margin-bottom: 8px; line-height: 1.5; }
.news-card .nc-body p { font-size: 13.5px; }

/* ---------- 14. 表格 ---------- */
.data-table { width: 100%; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; }
.data-table th, .data-table td { padding: 14px 18px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--c-line); }
.data-table th { background: var(--c-bg-soft); color: var(--c-ink); font-weight: 600; font-size: 13.5px; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: #fafcff; }
.data-table td.num { font-weight: 600; color: var(--c-primary); }
.pill { display: inline-block; font-size: 12px; padding: 2px 10px; border-radius: 40px; background: var(--c-aux); color: var(--c-primary); }
.pill.gold { background: rgba(242, 178, 62, .16); color: var(--c-gold-d); }
.pill.cyan { background: rgba(0, 200, 255, .13); color: #0288b5; }

/* ---------- 15. 进度条 / 条形图 ---------- */
.bar-row { margin-bottom: 16px; }
.bar-row .bar-head { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 6px; }
.bar-row .bar-head b { color: var(--c-primary); }
.bar-track { height: 8px; background: var(--c-bg-soft); border-radius: 8px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 8px; background: linear-gradient(90deg, var(--c-primary), var(--c-cyan)); width: 0; transition: width 1.4s var(--ease); }
.bar-fill.gold { background: linear-gradient(90deg, var(--c-gold), #ffd280); }

/* ---------- 16. 时间线 ---------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--c-primary), var(--c-cyan)); }
.timeline .tl-item { position: relative; padding-bottom: 28px; }
.timeline .tl-item:last-child { padding-bottom: 0; }
.timeline .tl-item::before {
  content: ""; position: absolute; left: -28px; top: 6px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 3px solid var(--c-primary);
}
.timeline .tl-item .tl-year { font-size: 13px; font-weight: 700; color: var(--c-primary); letter-spacing: 1px; }
.timeline .tl-item h4 { font-size: 16.5px; margin: 4px 0 6px; }
.timeline .tl-item p { font-size: 14px; }

/* ---------- 17. 步骤流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; text-align: center; padding: 26px 18px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); }
.step .sn {
  width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-primary), var(--c-cyan)); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 17px; font-weight: 700;
}
.step h4 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 13.5px; }
.step::after {
  content: ""; position: absolute; right: -12px; top: 46px; width: 20px; height: 2px;
  background: linear-gradient(90deg, var(--c-primary), transparent);
}
.step:last-child::after { display: none; }

/* ---------- 18. 表单 ---------- */
.form-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); padding: 34px; box-shadow: var(--sh-1); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.f-field { display: flex; flex-direction: column; gap: 7px; }
.f-field.full { grid-column: 1 / -1; }
.f-field label { font-size: 13.5px; color: var(--c-ink); font-weight: 600; }
.f-field label em { color: #e5484d; font-style: normal; margin-left: 3px; }
.f-field input, .f-field select, .f-field textarea {
  height: 44px; border: 1px solid var(--c-line); border-radius: var(--radius-s);
  padding: 0 14px; background: #fff; color: var(--c-text); font-size: 14.5px; transition: all .25s var(--ease);
}
.f-field textarea { height: 110px; padding: 12px 14px; resize: vertical; line-height: 1.6; }
.f-field input:focus, .f-field select:focus, .f-field textarea:focus {
  border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(22, 93, 255, .12);
}
.f-note { font-size: 12.5px; color: var(--c-mute); margin-top: 12px; }
.form-ok { display: none; text-align: center; padding: 30px 0; }
.form-ok.show { display: block; }
.form-ok .ok-ico { width: 60px; height: 60px; margin: 0 auto 14px; border-radius: 50%; background: rgba(22, 93, 255, .1);
  color: var(--c-primary); display: flex; align-items: center; justify-content: center; }

/* ---------- 19. CTA 条 ---------- */
.cta-bar {
  background: linear-gradient(120deg, #0e2c63, var(--c-primary) 62%, #1f8bff);
  color: #fff; padding: 52px 0; position: relative; overflow: hidden;
}
.cta-bar::after {
  content: ""; position: absolute; right: -60px; bottom: -120px; width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(0, 200, 255, .35), transparent 65%); border-radius: 50%;
}
.cta-bar .wrap { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-bar h2 { color: #fff; font-size: 28px; margin-bottom: 8px; }
.cta-bar p { color: rgba(255, 255, 255, .82); font-size: 15px; }

/* ---------- 20. 页脚 ---------- */
.footer { background: #08122a; color: rgba(255, 255, 255, .68); font-size: 14px; }
.footer-top { padding: 60px 0 40px; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 44px; }
.footer h5 { color: #fff; font-size: 15.5px; margin-bottom: 18px; font-weight: 600; }
.footer a:hover { color: var(--c-cyan); }
.footer .f-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer .f-logo .logo-mark { box-shadow: none; }
.footer .f-logo b { color: #fff; font-size: 18px; display: block; }
.footer .f-logo span { font-size: 11px; letter-spacing: 1.6px; color: rgba(255, 255, 255, .5); text-transform: uppercase; }
.footer .slogan { font-size: 14px; color: rgba(255, 255, 255, .6); margin-bottom: 20px; }
.footer ul li { margin-bottom: 10px; }
.footer .f-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer .f-contact li b { color: rgba(255, 255, 255, .9); font-weight: 600; }
.qr-box { display: flex; gap: 14px; margin-top: 20px; }
.qr {
  width: 96px; text-align: center; font-size: 12px; color: rgba(255, 255, 255, .55);
}
.qr .qr-img {
  width: 96px; height: 96px; border-radius: 10px; background: #fff;
  border: 1px solid rgba(255, 255, 255, .16); display: flex; align-items: center; justify-content: center; margin-bottom: 6px;
  overflow: hidden; padding: 6px; box-sizing: border-box;
}
.qr .qr-img img {
  width: 100%; height: auto; max-width: none; aspect-ratio: 1 / 1;
  object-fit: contain; display: block;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1); padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: rgba(255, 255, 255, .5);
}
.footer-bottom .f-links { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- 21. 右侧悬浮工具条 ---------- */
.fix-bar { position: fixed; right: 18px; top: 50%; transform: translateY(-50%); z-index: 860; display: grid; gap: 10px; }
.fix-btn {
  width: 52px; height: 52px; border-radius: 12px; background: #fff; border: 1px solid var(--c-line);
  box-shadow: var(--sh-1); display: flex; flex-direction: column; align-items: center; justify-content: center;
  cursor: pointer; color: var(--c-primary); font-size: 11px; gap: 2px; transition: all .28s var(--ease);
  position: relative;
}
.fix-btn svg { width: 20px; height: 20px; }
.fix-btn:hover { background: var(--c-primary); color: #fff; transform: translateX(-3px); }
.fix-btn .pop {
  position: absolute; right: 62px; top: 50%; transform: translateY(-50%) translateX(8px);
  background: var(--c-ink); color: #fff; font-size: 13px; padding: 8px 14px; border-radius: 8px;
  white-space: nowrap; opacity: 0; visibility: hidden; transition: all .28s var(--ease);
}
.fix-btn .pop.pop-qr {
  background: #fff; color: var(--c-ink); padding: 10px; text-align: center;
  white-space: normal; width: 132px; box-sizing: border-box;
}
.fix-btn .pop.pop-qr img {
  width: 112px; height: auto; max-width: none; aspect-ratio: 1 / 1;
  object-fit: contain; display: block; margin: 0 auto 6px;
}
.fix-btn .pop.pop-qr b { display: block; font-size: 12px; font-weight: 600; color: #5A6478; }
.fix-btn:hover .pop { opacity: 1; visibility: visible; transform: translateY(-50%) translateX(0); }
.fix-btn.top { color: var(--c-sub); }

/* ---------- 22. 数字人智能体 ---------- */
.dh-launcher {
  position: fixed; right: 22px; bottom: 26px; z-index: 950;
  display: flex; align-items: center; gap: 12px; cursor: pointer;
}
.dh-avatar {
  width: 74px; height: 74px; border-radius: 50%; position: relative;
  background: linear-gradient(140deg, #165dff, #00c8ff);
  box-shadow: 0 8px 26px rgba(22, 93, 255, .42); display: flex; align-items: center; justify-content: center;
  animation: dhFloat 3.6s ease-in-out infinite;
}
.dh-avatar::after {
  content: ""; position: absolute; inset: -6px; border-radius: 50%;
  border: 2px solid rgba(0, 200, 255, .5); animation: dhPulse 2.4s ease-out infinite;
}
.dh-avatar svg { width: 46px; height: 46px; }
@keyframes dhFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
@keyframes dhPulse { 0% { transform: scale(.9); opacity: .9; } 100% { transform: scale(1.28); opacity: 0; } }
.dh-hi {
  background: #fff; border-radius: 12px; padding: 10px 16px; box-shadow: var(--sh-2);
  font-size: 13.5px; color: var(--c-ink); max-width: 230px; position: relative; line-height: 1.5;
}
.dh-hi b { color: var(--c-primary); }
.dh-hi .close-hi { position: absolute; top: -8px; right: -8px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--c-mute); color: #fff; font-size: 12px; border: 0; cursor: pointer; display: flex; align-items: center; justify-content: center; }

.dh-panel {
  position: fixed; right: 22px; bottom: 112px; z-index: 951;
  width: 380px; max-width: calc(100vw - 32px); height: 480px; background: #fff;
  border-radius: 16px; box-shadow: var(--sh-3); overflow: hidden; display: none; flex-direction: column;
  border: 1px solid var(--c-line);
}
.dh-panel.show { display: flex; animation: panelIn .3s var(--ease); }
@keyframes panelIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.dh-head {
  padding: 16px 18px; background: linear-gradient(120deg, #0e2c63, #165dff); color: #fff;
  display: flex; align-items: center; gap: 12px;
}
.dh-head .dh-mini { width: 42px; height: 42px; border-radius: 50%; background: rgba(255, 255, 255, .18);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.dh-head .dh-mini svg { width: 26px; height: 26px; }
.dh-head b { display: block; font-size: 15px; }
.dh-head span { font-size: 12px; color: rgba(255, 255, 255, .75); }
.dh-head .dh-close { margin-left: auto; background: transparent; border: 0; color: #fff; cursor: pointer; font-size: 20px; line-height: 1; }
.dh-body { flex: 1; overflow-y: auto; padding: 18px; background: var(--c-bg-soft); display: grid; gap: 14px; align-content: start; }
.msg { display: flex; gap: 10px; align-items: flex-start; }
.msg .m-ico { width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0; background: linear-gradient(135deg, #165dff, #00c8ff);
  display: flex; align-items: center; justify-content: center; }
.msg .m-ico svg { width: 18px; height: 18px; }
.msg .m-txt { background: #fff; border: 1px solid var(--c-line); border-radius: 4px 12px 12px 12px; padding: 11px 14px; font-size: 13.8px; color: var(--c-text); line-height: 1.65; }
.msg.me { flex-direction: row-reverse; }
.msg.me .m-ico { background: var(--c-ink); }
.msg.me .m-txt { background: var(--c-primary); border-color: var(--c-primary); color: #fff; border-radius: 12px 4px 12px 12px; }
.dh-quick { padding: 12px 18px; border-top: 1px solid var(--c-line); display: flex; flex-wrap: wrap; gap: 8px; background: #fff; }
.dh-quick button {
  font-size: 12.5px; padding: 6px 12px; border-radius: 40px; border: 1px solid var(--c-line);
  background: #fff; color: var(--c-primary); cursor: pointer; transition: all .25s var(--ease);
}
.dh-quick button:hover { background: var(--c-aux); border-color: var(--c-primary); }
.dh-foot { padding: 10px 14px; border-top: 1px solid var(--c-line); display: flex; gap: 8px; background: #fff; }
.dh-foot input { flex: 1; height: 38px; border: 1px solid var(--c-line); border-radius: 40px; padding: 0 14px; font-size: 13.5px; }
.dh-foot button { width: 38px; height: 38px; border-radius: 50%; border: 0; background: var(--c-primary); color: #fff; cursor: pointer; }

/* ---------- 23. 客户/伙伴 logo 墙 ---------- */
.partner-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.partner-item {
  height: 76px; border: 1px solid var(--c-line); border-radius: 10px; background: #fff;
  display: flex; align-items: center; justify-content: center; text-align: center;
  font-size: 13.5px; color: var(--c-sub); font-weight: 600; padding: 8px;
  transition: all .3s var(--ease);
}
.partner-item:hover { border-color: var(--c-primary); color: var(--c-primary); box-shadow: var(--sh-1); transform: translateY(-3px); }

/* ---------- 24. 图片画廊 / 轮播 ---------- */
.gallery { position: relative; overflow: hidden; border-radius: var(--radius); }
.gallery-track { display: flex; transition: transform .6s var(--ease); }
.gallery-track .g-item { min-width: 100%; }
.g-item { position: relative; height: 340px; background: #eaf1fb; }
.g-item svg { width: 100%; height: 100%; }
.g-item .g-cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 24px 20px;
  background: linear-gradient(transparent, rgba(6, 14, 32, .82)); color: #fff;
}
.g-item .g-cap b { display: block; font-size: 17px; margin-bottom: 4px; }
.g-item .g-cap span { font-size: 13px; color: rgba(255, 255, 255, .78); }
.gallery .g-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 4; width: 40px; height: 40px;
  border-radius: 50%; border: 0; background: rgba(255, 255, 255, .82); color: var(--c-ink); cursor: pointer;
  display: flex; align-items: center; justify-content: center; box-shadow: var(--sh-1);
}
.gallery .g-arrow.prev { left: 14px; } .gallery .g-arrow.next { right: 14px; }
.gallery .g-dots { position: absolute; bottom: 12px; left: 0; right: 0; display: flex; justify-content: center; gap: 8px; z-index: 5; }
.gallery .g-dots i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, .45); cursor: pointer; }
.gallery .g-dots i.on { background: #fff; width: 22px; border-radius: 4px; }

/* ---------- 25. 滚动动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- 26. 面包屑/分页 ---------- */
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 32px; }
.pager a, .pager span {
  min-width: 36px; height: 36px; padding: 0 10px; border: 1px solid var(--c-line); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 14px; color: var(--c-text); background: #fff;
}
.pager a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pager span.on { background: var(--c-primary); border-color: var(--c-primary); color: #fff; font-weight: 600; }

/* ---------- 27. 响应式 ---------- */
/* 10 个一级菜单的横向空间分级收紧；阈值以下切换汉堡菜单 */
@media (max-width: 1460px) {
  .header-inner { gap: 18px; }
  .search-box input { width: 150px; }
  .search-box input:focus { width: 190px; }
}
@media (max-width: 1400px) {
  .logo-txt span { display: none; }
  .nav > ul > li > a { padding: 8px 9px; font-size: 14.5px; }
  .search-box input { width: 132px; }
  .search-box input:focus { width: 172px; }
}
@media (max-width: 1200px) {
  .header-inner { gap: 12px; }
  .nav > ul > li > a { padding: 8px 7px; font-size: 14px; }
  .logo-txt b { font-size: 16px; }
  .search-box input { width: 116px; }
  .metrics-inner { grid-template-columns: repeat(3, 1fr); }
  .metrics-inner .m-item:nth-child(3n) { border-right: 0; }
  .partner-wall { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 1180px) {
  .nav, .search-box { display: none; }
  .burger { display: block; }
}
@media (max-width: 992px) {
  h1 { font-size: 32px; } h2 { font-size: 25px; }
  .head-bar h2 { font-size: 26px; }
  .hero { height: 540px; }
  .hero-txt h1 { font-size: 36px; }
  .hero-slide.active { display: flex; }
  .hero-bg::after { background: rgba(6, 14, 32, .78); }
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.reverse .split-txt { order: 0; }
  .g-4, .g-3 { grid-template-columns: repeat(2, 1fr); }
  .g-5 { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step::after { display: none; }
  .footer-top { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .page-banner h1 { font-size: 30px; }
  .fix-bar { right: 10px; }
  .fix-btn { width: 46px; height: 46px; }
}
@media (max-width: 768px) {
  .section { padding: 52px 0; }
  .hero { height: auto; padding: 70px 0 80px; }
  .hero-slide { position: relative; opacity: 1; display: none; }
  .hero-slide.active { display: flex; }
  .hero-bg::after { background: rgba(6, 14, 32, .78); }
  .hero-txt h1 { font-size: 28px; }
  .hero-txt .lead { font-size: 15px; }
  .hero-arrow { display: none; }
  .metrics { margin-top: 20px; }
  .metrics-inner { grid-template-columns: repeat(2, 1fr); }
  .metrics-inner .m-item { border-right: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
  .metrics-inner .m-item:nth-child(2n) { border-right: 0; }
  .g-2, .g-3, .g-4, .g-5 { grid-template-columns: 1fr; }
  .partner-wall { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .entry { flex-direction: column; gap: 12px; }
  .entry .e-date { border-right: 0; border-bottom: 1px solid var(--c-line); width: 100%; text-align: left; padding: 0 0 8px; }
  .entry .e-date b { display: inline-block; font-size: 18px; margin-right: 6px; }
  .cta-bar .wrap { flex-direction: column; align-items: flex-start; }
  .steps { grid-template-columns: 1fr; }
  .dh-panel { right: 8px; left: 8px; width: auto; bottom: 108px; height: 60vh; }
  .dh-launcher { right: 12px; bottom: 16px; }
  .dh-hi { display: none; }
  .banner-stats { gap: 22px; }
  .banner-stats div b { font-size: 24px; }
}
@media (max-width: 480px) {
  .logo-txt b { font-size: 15px; }
  .logo-txt span { display: none; }
  .hero-txt h1 { font-size: 24px; }
  .metrics-inner { grid-template-columns: 1fr; }
  .metrics-inner .m-item { border-right: 0; }
}

/* ===== 英文导航的空间策略 =====
   英文一级菜单文案显著长于中文（如 "Supply & Demand"），
   若沿用中文断点会在中大屏挤压溢出，故单独收紧字号间距，并提前切换汉堡菜单。 */
body.lang-en .nav > ul > li > a { font-size: 13.5px; padding: 8px 4px; letter-spacing: 0; }
body.lang-en .logo-txt b { font-size: 15px; letter-spacing: 0; }
@media (max-width: 1520px) {
  body.lang-en .nav, body.lang-en .search-box { display: none; }
  body.lang-en .burger { display: block; }
}
@media (min-width: 1521px) {
  body.lang-en .search-box input { width: 150px; }
  body.lang-en .search-box input:focus { width: 190px; }
}

/* ---------- 28. 打印 ---------- */
@media print { .header, .fix-bar, .dh-launcher, .dh-panel, .footer { display: none !important; } }