/* ═══════════════════════════════════════════════════════════════
   CRKESHA site-b-its — ITS 现代深色风格设计系统
   依据 docs/website/SITE_SPEC.md §2（tokens / 字体 / 品牌资产 / 组件词汇）
   纯静态 · 零依赖 · file:// 可用
   ═══════════════════════════════════════════════════════════════ */

/* ── 本地字体（assets/fonts/，7 × woff2）── */
@font-face {
  font-family: "Barlow"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/barlow-600.woff2") format("woff2");
}
@font-face {
  font-family: "Barlow"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("../fonts/barlow-700.woff2") format("woff2");
}
@font-face {
  font-family: "Barlow"; font-style: normal; font-weight: 800; font-display: swap;
  src: url("../fonts/barlow-800.woff2") format("woff2");
}
@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 400; font-display: swap;
  src: url("../fonts/inter-400.woff2") format("woff2");
}
@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 500; font-display: swap;
  src: url("../fonts/inter-500.woff2") format("woff2");
}
@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 600; font-display: swap;
  src: url("../fonts/inter-600.woff2") format("woff2");
}
@font-face {
  font-family: "Inter"; font-style: normal; font-weight: 700; font-display: swap;
  src: url("../fonts/inter-700.woff2") format("woff2");
}

/* ── 设计 token ── */
:root {
  /* 深色基底 */
  --c-navy: #0b1f3a;            /* 主深蓝：hero / stats / footer */
  --c-navy-2: #122b4a;          /* 次深蓝：卡片深底、渐变中间档 */
  --c-ink: #0e1726;             /* 最深墨：页脚最深带、netmap 底 */
  /* 强调色 */
  --c-accent: #004D98;          /* 金佳皇家海蓝：主 CTA / 链接 */
  --c-accent-deep: #00366D;
  --c-accent-glow: rgba(0, 77, 152, .15);
  --c-accent-rgb: 0, 77, 152;
  --c-gold: #F06739;            /* 金佳活力橙：eyebrow / 高亮 / hover 边框 */
  --c-gold-deep: #C84618;
  /* 文本与界面 */
  --c-body: #3d4a5a;
  --c-muted: #6b7889;
  --c-line: #e2e8f0;
  --c-bg: #ffffff;
  --c-bg-soft: #f5f7fa;
  --c-silver: #90a4ae;
  --c-silver-light: #cfd8dc;
  /* 字体 */
  --f-head: "Barlow", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --f-body: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --fs-hero: clamp(38px, 5.6vw, 72px);
  --fs-h2: clamp(28px, 3.8vw, 48px);
  --fs-h3: clamp(20px, 2.4vw, 27px);
  --lh-tight: 1.12;
  --lh-body: 1.65;
  /* 布局 */
  --container: 1280px;
  --gutter: 24px;
  --sec-pad: clamp(56px, 8vw, 110px);
  --header-h: 96px;
  --header-h-min: 72px;
  /* 动效 */
  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur-fast: .2s;
  --dur-reveal: .7s;
  /* 其他 */
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 10px 30px rgba(11, 31, 58, .08);
  --shadow-menu: 0 24px 48px rgba(11, 31, 58, .16);
  --shadow-pop: 0 18px 44px rgba(7, 15, 26, .28);
}

/* ── 基础 ── */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-body);
  font-size: 16px;
  line-height: var(--lh-body);
  color: var(--c-body);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.scroll-locked { overflow: hidden; }
img, video, svg { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; }
:focus-visible { outline: 3px solid var(--c-gold); outline-offset: 2px; }

.sr-only {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link {
  position: absolute; left: 8px; top: -56px; z-index: 300;
  background: var(--c-navy); color: #fff; padding: 10px 18px;
  text-decoration: none; border-radius: var(--radius-sm);
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: 8px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--sec-pad) 0; }
.section--soft { background: var(--c-bg-soft); }
.section--navy { background: linear-gradient(180deg, var(--c-navy) 0%, var(--c-navy-2) 100%); color: #fff; }
.section--deep { background: linear-gradient(180deg, var(--c-ink) 0%, var(--c-navy) 100%); color: #fff; }

/* 深色区块上的文字适配 */
.on-dark h2, .on-dark h3 { color: #fff; }
.on-dark p { color: rgba(255, 255, 255, .82); }

/* 排印 */
.eyebrow {
  display: block; font-family: var(--f-head); font-weight: 700;
  text-transform: uppercase; letter-spacing: .16em;
  font-size: 14px; color: var(--c-gold); margin-bottom: 14px;
}
.h1, .h2, .h3 {
  font-family: var(--f-head); font-weight: 800;
  line-height: var(--lh-tight); letter-spacing: -.01em; color: var(--c-navy);
}
.h1 { font-size: var(--fs-hero); }
.h2 { font-size: var(--fs-h2); }
.h3 { font-size: var(--fs-h3); }
.accent { color: var(--c-gold); }
.lede { font-size: 17.5px; color: var(--c-body); max-width: 720px; margin-top: 16px; }
.section--navy .lede, .section--deep .lede { color: rgba(255, 255, 255, .82); }
.sec-head { max-width: 780px; margin-bottom: clamp(32px, 5vw, 56px); }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head--center .lede { margin-left: auto; margin-right: auto; }

/* ── 按钮（pill + 微交互）── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--f-head); font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; font-size: 15px;
  padding: 14px 30px; border-radius: 999px; text-decoration: none;
  border: 2px solid transparent;
  transition: transform var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn .arrow { transition: transform var(--dur-fast) var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn--primary { background: var(--c-accent); color: #fff; box-shadow: 0 8px 22px rgba(var(--c-accent-rgb), .32); }
.btn--primary:hover { background: var(--c-accent-deep); }
.btn--gold { background: var(--c-gold); color: var(--c-ink); box-shadow: 0 8px 22px rgba(201, 162, 39, .3); }
.btn--gold:hover { background: var(--c-gold-deep); color: #fff; }
.btn--ghost { border-color: currentColor; color: var(--c-navy); background: transparent; }
.btn--ghost:hover { background: var(--c-accent-glow); border-color: var(--c-accent); color: var(--c-accent-deep); }
.on-dark .btn--ghost, .btn--ghost.on-dark { color: #fff; }
.on-dark .btn--ghost:hover { background: rgba(255, 255, 255, .1); border-color: var(--c-gold); color: #fff; }
.btn--light { background: #fff; color: var(--c-navy); }
.btn--light:hover { background: var(--c-gold); color: var(--c-ink); }
.btn--sm { padding: 9px 20px; font-size: 13.5px; }

.text-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--f-head); font-weight: 700; text-transform: uppercase;
  letter-spacing: .07em; font-size: 14.5px;
  color: var(--c-accent); text-decoration: none;
}
.text-link::after { content: "→"; transition: transform var(--dur-fast) var(--ease); }
.text-link:hover::after { transform: translateX(4px); }
.text-link--gold { color: var(--c-gold); }

/* ═════════ 吸顶收缩 header ═════════ */
.site-header {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-line);
  transition: box-shadow .3s ease-in-out, background-color .3s ease-in-out;
}
.site-header.is-scrolled {
  box-shadow: 0 6px 24px rgba(11, 31, 58, .12);
}
.header__inner {
  display: flex; align-items: center; gap: 26px;
  height: var(--header-h);
  transition: height .3s ease-in-out;
}
.site-header.is-scrolled .header__inner { height: var(--header-h-min); }

.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.logo__img { height: 42px; width: auto; transition: height .3s ease-in-out; }
.site-header.is-scrolled .logo__img { height: 36px; }
.logo__fallback { display: none; align-items: baseline; gap: 5px; text-decoration: none; }
.logo__mark {
  font-family: var(--f-head); font-weight: 800; font-size: 30px; line-height: 1;
  letter-spacing: -.02em; color: var(--c-navy); position: relative;
}
.logo__mark::after {
  content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%;
  background: var(--c-gold); top: 4px; right: -4px;
  box-shadow: 0 0 0 3px rgba(201, 162, 39, .25);
}
.logo__sub {
  font-family: var(--f-head); font-weight: 700; font-size: 13px;
  letter-spacing: .3em; text-transform: uppercase; color: var(--c-silver);
}

.nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav > ul { display: flex; align-items: center; gap: 2px; }
.nav__item { position: static; }
.nav__link {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--f-head); font-weight: 600; font-size: 15.5px;
  letter-spacing: .05em; text-transform: uppercase;
  color: var(--c-navy); text-decoration: none;
  padding: 0 13px; height: var(--header-h);
  transition: height .3s ease-in-out, color var(--dur-fast);
  position: relative; background: none;
}
.site-header.is-scrolled .nav__link { height: var(--header-h-min); }
.nav__link::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 20px; height: 3px;
  border-radius: 2px; background: var(--c-gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-fast) var(--ease);
}
.nav__link:hover::after,
.nav__link[aria-expanded="true"]::after,
.nav__link.is-active::after { transform: scaleX(1); }
.nav__link:hover { color: var(--c-accent-deep); }
.nav__caret { font-size: 10px; transition: transform var(--dur-fast) var(--ease); }
.nav__link[aria-expanded="true"] .nav__caret { transform: rotate(180deg); }

.header__actions { display: flex; align-items: center; gap: 12px; margin-left: 6px; }
.lang-switch { display: inline-flex; align-items: center; gap: 2px; }
.lang-btn {
  padding: 6px 11px; border-radius: 999px; font-size: 13px; font-weight: 600;
  color: var(--c-muted); border: 1px solid transparent; white-space: nowrap;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.lang-btn:hover { color: var(--c-navy); border-color: var(--c-line); }
.lang-btn.active { color: #fff; background: var(--c-navy); border-color: var(--c-navy); }
.header__cta { flex-shrink: 0; }

.burger {
  display: none; width: 44px; height: 44px; margin-left: auto; position: relative; z-index: 95;
}
.burger span {
  display: block; width: 26px; height: 3px; margin: 5px auto; border-radius: 2px;
  background: var(--c-navy);
  transition: transform .3s var(--ease), opacity .2s;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Mega 下拉（服务总览 7 服务） */
.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: #fff; border-top: 1px solid var(--c-line);
  box-shadow: var(--shadow-menu);
  opacity: 0; transform: translateY(-8px);
  pointer-events: none; visibility: hidden;
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}
.mega.is-open { opacity: 1; transform: none; pointer-events: auto; visibility: visible; }
.mega__grid {
  display: grid; grid-template-columns: 1.1fr 2fr; gap: 44px;
  padding: 40px 0 46px;
}
.mega__intro h3 {
  font-family: var(--f-head); text-transform: uppercase;
  font-size: 23px; color: var(--c-navy); margin-bottom: 10px;
}
.mega__intro p { color: var(--c-body); font-size: 14.5px; margin-bottom: 18px; max-width: 34ch; }
.mega__list { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 36px; }
.mega__link {
  display: grid; gap: 2px; padding: 11px 14px; border-radius: var(--radius-sm);
  text-decoration: none; transition: background var(--dur-fast), transform var(--dur-fast) var(--ease);
}
.mega__link:hover { background: var(--c-bg-soft); transform: translateX(4px); }
.mega__link strong {
  font-family: var(--f-head); font-weight: 700; font-size: 15.5px;
  color: var(--c-navy); display: flex; align-items: center; gap: 9px;
}
.mega__link strong svg { width: 17px; height: 17px; color: var(--c-gold); flex-shrink: 0; }
.mega__link span { font-size: 13px; color: var(--c-muted); }

/* ═════════ Hero 轮播 ═════════ */
.hero-slider {
  position: relative; overflow: hidden;
  min-height: min(86vh, 720px);
  background: var(--c-ink); color: #fff;
}
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .9s var(--ease), visibility .9s;
  display: flex; align-items: center;
}
.hero-slide.is-active { opacity: 1; visibility: visible; pointer-events: auto; z-index: 1; }
.hero-slide::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 84% 26%, rgba(201, 162, 39, .16), transparent 40%),
    radial-gradient(circle at 84% 26%, transparent 260px, rgba(255, 255, 255, .05) 262px, transparent 266px),
    radial-gradient(circle at 84% 26%, transparent 320px, rgba(255, 255, 255, .04) 322px, transparent 326px);
  pointer-events: none;
}
.hero-slide--1 { background: linear-gradient(112deg, var(--c-ink) 0%, var(--c-navy) 52%, #143a66 100%); }
.hero-slide--2 { background: linear-gradient(112deg, var(--c-ink) 0%, #10263f 55%, var(--c-navy-2) 100%); }
.hero-slide--3 { background: linear-gradient(112deg, var(--c-ink) 0%, var(--c-navy) 45%, #0d3050 100%); }
.hero-slide--2::before {
  background:
    radial-gradient(circle at 16% 78%, rgba(201, 162, 39, .12), transparent 42%),
    radial-gradient(circle at 16% 78%, transparent 200px, rgba(255, 255, 255, .04) 202px, transparent 206px);
}
.hero-slide--3::before {
  background:
    radial-gradient(circle at 88% 70%, rgba(30, 90, 168, .35), transparent 46%),
    radial-gradient(circle at 88% 70%, transparent 300px, rgba(255, 255, 255, .05) 302px, transparent 306px),
    radial-gradient(circle at 88% 70%, transparent 360px, rgba(201, 162, 39, .12) 362px, transparent 366px);
}
.hero-content { position: relative; z-index: 2; padding: 120px 0 140px; max-width: 660px; }
.hero-title {
  font-family: var(--f-head); font-weight: 800; line-height: var(--lh-tight);
  letter-spacing: -.01em; font-size: var(--fs-hero); color: #fff;
}
.hero-desc { margin: 20px 0 32px; font-size: 18.5px; max-width: 520px; color: rgba(255, 255, 255, .88); }
.hero-slide.is-active .hero-title,
.hero-slide.is-active .hero-desc,
.hero-slide.is-active .hero-cta { animation: heroIn .8s var(--ease) both; }
.hero-slide.is-active .hero-desc { animation-delay: .12s; }
.hero-slide.is-active .hero-cta { animation-delay: .24s; }
@keyframes heroIn {
  from { opacity: 0; transform: translateY(34px); }
  to { opacity: 1; transform: none; }
}
.hero-controls {
  position: absolute; z-index: 3; left: 0; right: 0; bottom: 34px;
  display: flex; align-items: center; gap: 18px;
}
.hero-dots { display: flex; gap: 10px; }
.hero-dot {
  width: 46px; height: 5px; border-radius: 3px; position: relative; overflow: hidden;
  background: rgba(255, 255, 255, .28); transition: background var(--dur-fast);
}
.hero-dot:hover { background: rgba(255, 255, 255, .5); }
.hero-dot .fill {
  position: absolute; inset: 0; background: var(--c-gold);
  transform: scaleX(0); transform-origin: left;
}
.hero-dot.is-active .fill { transform: scaleX(1); transition: transform 6s linear; }
.hero-dot.is-done .fill { transform: scaleX(1); transition: none; }
.hero-arrow {
  width: 42px; height: 42px; border: 1px solid rgba(255, 255, 255, .4); border-radius: 50%;
  color: #fff; display: grid; place-items: center; font-size: 15px;
  transition: background var(--dur-fast), border-color var(--dur-fast);
}
.hero-arrow:hover { background: rgba(255, 255, 255, .14); border-color: #fff; }
.hero-count { color: rgba(255, 255, 255, .6); font-size: 13.5px; letter-spacing: .1em; }

/* ═════════ 统计带（count-up）═════════ */
.stats-band {
  background:
    radial-gradient(circle at 88% -10%, rgba(201, 162, 39, .14), transparent 42%),
    linear-gradient(120deg, var(--c-ink) 0%, var(--c-navy) 100%);
  color: #fff;
}
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0;
}
.stat {
  padding: 10px 26px; text-align: left;
  border-left: 1px solid rgba(255, 255, 255, .12);
}
.stat:first-child { border-left: 0; padding-left: 0; }
.stat__num {
  font-family: var(--f-head); font-weight: 800; line-height: 1;
  font-size: clamp(38px, 4.2vw, 58px); color: #fff;
  font-variant-numeric: tabular-nums;
}
.stat__suffix { color: var(--c-gold); }
.stat__label { margin-top: 10px; font-size: 13.5px; color: rgba(255, 255, 255, .72); line-height: 1.45; }

/* ═════════ 服务卡 svc-cards ═════════ */
.svc-cards {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.svc-card {
  display: flex; flex-direction: column; gap: 14px;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 30px 28px 26px; text-decoration: none; color: inherit; position: relative;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.svc-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-card);
  border-color: var(--c-gold);
}
.svc-card--wide { grid-column: span 1; }
.svc-card__icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--c-accent-glow); color: var(--c-accent);
  display: grid; place-items: center;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.svc-card__icon svg { width: 26px; height: 26px; }
.svc-card:hover .svc-card__icon { background: var(--c-gold); color: #fff; }
.svc-card h3 {
  font-family: var(--f-head); font-weight: 700; font-size: 21px;
  color: var(--c-navy); line-height: 1.25;
}
.svc-card__tagline { font-size: 14px; color: var(--c-body); }
.svc-card__points { display: grid; gap: 7px; margin-top: 2px; }
.svc-card__points li {
  display: flex; align-items: baseline; gap: 9px;
  font-size: 13.5px; color: var(--c-muted);
}
.svc-card__points li::before {
  content: ""; width: 6px; height: 6px; border-radius: 2px;
  background: var(--c-gold); flex-shrink: 0; transform: translateY(-1px);
}
.svc-card__go {
  margin-top: auto; padding-top: 14px;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--f-head); font-weight: 700; text-transform: uppercase;
  font-size: 13.5px; letter-spacing: .07em; color: var(--c-accent);
}
.svc-card__go .arrow { transition: transform var(--dur-fast) var(--ease); }
.svc-card:hover .svc-card__go .arrow { transform: translateX(5px); }

/* ═════════ 网络地图 netmap（内联 SVG）═════════ */
.netmap__layout {
  display: grid; grid-template-columns: 340px 1fr;
  gap: clamp(32px, 5vw, 64px); align-items: center;
}
.netmap-side { display: grid; gap: 22px; align-content: center; }
.netmap-legend { display: grid; gap: 12px; }
.netmap-legend li { display: flex; align-items: center; gap: 12px; font-size: 14.5px; color: rgba(255, 255, 255, .85); }
.legend-dot { width: 14px; height: 14px; border-radius: 50%; flex-shrink: 0; }
.legend-dot--hub { background: var(--c-gold); box-shadow: 0 0 0 4px rgba(201, 162, 39, .22); }
.legend-dot--node { background: #dce9f8; box-shadow: 0 0 0 4px rgba(220, 233, 248, .16); }
.netmap-note { font-size: 13.5px; color: rgba(255, 255, 255, .62); border-left: 3px solid var(--c-gold); padding-left: 14px; }
.netmap-figure { margin: 0; }
.netmap-svg { width: 100%; height: auto; }

.netmap-svg .continent { fill: rgba(255, 255, 255, .045); stroke: rgba(255, 255, 255, .07); stroke-width: 1; }
.netmap-svg .grain { fill: rgba(255, 255, 255, .06); }
.netmap-svg .route-main {
  fill: none; stroke: var(--c-gold); stroke-width: 2.4; stroke-linecap: round;
  stroke-dasharray: 8 8; opacity: .9;
  animation: netDash 16s linear infinite;
}
.netmap-svg .route-sub {
  fill: none; stroke: rgba(160, 196, 235, .55); stroke-width: 1.4; stroke-linecap: round;
  stroke-dasharray: 3 7; opacity: .7;
  animation: netDash 26s linear infinite reverse;
}
@keyframes netDash { to { stroke-dashoffset: -320; } }

.net-node { cursor: pointer; }
.net-node .ring {
  fill: none; stroke-width: 2;
  transform-origin: center; transform-box: fill-box;
  animation: nodePulse 2.4s var(--ease) infinite;
}
.net-node--hub .ring { stroke: var(--c-gold); }
.net-node--node .ring { stroke: #8fb8e8; }
@keyframes nodePulse {
  0% { opacity: .75; transform: scale(.55); }
  75% { opacity: 0; transform: scale(2); }
  100% { opacity: 0; transform: scale(2); }
}
.net-node .core { stroke: var(--c-ink); stroke-width: 2; }
.net-node--hub .core { fill: var(--c-gold); }
.net-node--node .core { fill: #dce9f8; }
.net-node .pin-label {
  font-family: var(--f-body); font-size: 12.5px; font-weight: 600;
  fill: rgba(255, 255, 255, .92);
}
.net-node--hub .pin-label { opacity: .95; }
.net-node:not(.net-node--hub) .pin-label { opacity: 0; transition: opacity var(--dur-fast) var(--ease); }
.net-node:hover .pin-label,
.net-node:focus .pin-label,
.net-node:focus-within .pin-label { opacity: 1; }
.net-node .tip-box { opacity: 0; transition: opacity var(--dur-fast) var(--ease); }
.net-node:hover .tip-box,
.net-node:focus .tip-box,
.net-node:focus-within .tip-box { opacity: 1; }
.tip-box rect { fill: rgba(14, 23, 38, .95); stroke: var(--c-gold); stroke-width: 1; rx: 6; }
.tip-box text {
  font-family: var(--f-body); font-size: 11.5px; fill: #fff;
}
.tip-box text.kind { fill: var(--c-gold); font-size: 10.5px; }

/* ═════════ 合作网络跑马灯 marquee ═════════ */
.marquee-sec { background: var(--c-bg-soft); overflow: hidden; }
.marquee {
  display: flex; width: 100%; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex; flex: 0 0 auto; align-items: center; gap: 18px;
  padding-right: 18px;
  animation: marqueeScroll 44s linear infinite;
  will-change: transform;
}
.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track { animation-play-state: paused; }
@keyframes marqueeScroll { from { transform: translateX(0); } to { transform: translateX(-100%); } }
.marquee__pill {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 26px; border: 1px solid var(--c-line); border-radius: 999px;
  background: #fff; font-family: var(--f-head); font-weight: 700;
  font-size: 13.5px; letter-spacing: .14em; color: var(--c-muted);
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.marquee__pill::before {
  content: ""; width: 8px; height: 8px; border-radius: 2px;
  background: var(--c-gold); opacity: .55;
  transition: opacity var(--dur-fast);
}
.marquee__pill:hover { color: var(--c-navy); border-color: var(--c-gold); }
.marquee__pill:hover::before { opacity: 1; }

/* ═════════ 价值观 split ═════════ */
.values-split {
  display: grid; grid-template-columns: 1fr 1.2fr;
  gap: clamp(36px, 6vw, 80px); align-items: start;
}
.values-intro { position: sticky; top: calc(var(--header-h-min) + 32px); display: grid; gap: 18px; }
.value-row {
  display: flex; gap: 24px; padding: 26px 0;
  border-bottom: 1px solid var(--c-line);
}
.value-row:last-child { border-bottom: 0; }
.value-row__num {
  font-family: var(--f-head); font-weight: 800; font-size: 21px;
  color: var(--c-gold); line-height: 1.3; flex-shrink: 0;
}
.value-row h3 {
  font-family: var(--f-head); font-weight: 700; font-size: 21px;
  color: var(--c-navy); margin-bottom: 6px;
}
.value-row p { font-size: 15px; color: var(--c-body); }

/* ═════════ 新闻 news-grid ═════════ */
.news-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  flex-wrap: wrap; gap: 20px; margin-bottom: 40px;
}
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card {
  display: flex; flex-direction: column; gap: 12px;
  background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
  padding: 28px 26px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: rgba(var(--c-accent-rgb), .45); }
.news-card__meta { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--c-muted); }
.news-card__cat {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  background: var(--c-accent-glow); color: var(--c-accent-deep);
  font-weight: 600; letter-spacing: .04em;
}
.news-card time { letter-spacing: .06em; font-variant-numeric: tabular-nums; }
.news-card h3 {
  font-family: var(--f-head); font-weight: 700; font-size: 19px;
  line-height: 1.35; color: var(--c-navy);
}
.news-card:hover h3 { color: var(--c-accent-deep); }
.news-card p { font-size: 14px; color: var(--c-muted); }
.news-footnote {
  margin-top: 30px; padding-top: 20px; border-top: 1px dashed var(--c-line);
  font-size: 14px; color: var(--c-muted);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}

/* ═════════ CTA band（金 / 深蓝）═════════ */
.cta-band {
  background:
    radial-gradient(circle at 12% 120%, rgba(255, 255, 255, .14), transparent 46%),
    linear-gradient(105deg, var(--c-navy) 0%, var(--c-accent-deep) 74%, var(--c-accent) 100%);
  color: #fff;
}
.cta-band__inner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 26px; padding: clamp(44px, 6vw, 64px) 0;
}
.cta-band .cta-band__title {
  font-family: var(--f-head); font-weight: 800; font-size: clamp(23px, 3vw, 33px);
  line-height: 1.25; max-width: 26ch;
}
.cta-band .cta-band__sub { margin-top: 10px; color: rgba(255, 255, 255, .82); font-size: 15px; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* ═════════ 面包屑 breadcrumb ═════════ */
.breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-size: 13px; margin-bottom: 18px; color: rgba(255, 255, 255, .66);
}
.breadcrumb a { color: rgba(255, 255, 255, .85); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb [aria-current="page"] { color: #fff; }
.breadcrumb .sep { opacity: .5; }

/* 页头横幅（子页面用，随母本一并交付） */
.page-hero {
  position: relative; overflow: hidden; color: #fff;
  background:
    radial-gradient(circle at 86% 20%, rgba(201, 162, 39, .16), transparent 42%),
    linear-gradient(115deg, var(--c-ink) 0%, var(--c-navy) 60%, var(--c-navy-2) 100%);
  padding: clamp(56px, 8vw, 104px) 0;
}
.page-hero .h1 { color: #fff; }
.page-hero .lede { color: rgba(255, 255, 255, .85); }

/* ═════════ 流程 steps（服务详情页用）═════════ */
.steps { position: relative; display: grid; gap: 6px; padding-left: 4px; }
.steps__item { display: flex; gap: 24px; align-items: flex-start; padding: 18px 0; position: relative; }
.steps__num {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--c-accent), var(--c-navy-2));
  color: #fff; font-family: var(--f-head); font-weight: 800; font-size: 15px;
  display: grid; place-items: center; z-index: 1;
  box-shadow: 0 4px 14px rgba(var(--c-accent-rgb), .3);
  transition: transform var(--dur-fast) var(--ease);
}
.steps__item:hover .steps__num { transform: scale(1.1); }
.steps__body h3 {
  font-family: var(--f-head); font-weight: 700; font-size: 17.5px;
  color: var(--c-navy); margin-bottom: 4px;
}
.steps__body p { font-size: 15px; color: var(--c-body); }
@media (min-width: 769px) {
  .steps::before {
    content: ""; position: absolute; left: 27px; top: 40px; bottom: 40px; width: 2px;
    background: linear-gradient(180deg, var(--c-accent), var(--c-gold)); opacity: .18;
  }
}

/* 表单（联系页用） */
.form { display: grid; gap: 18px; }
.form__row { display: grid; gap: 6px; }
.form__row label { font-weight: 600; font-size: 14px; color: var(--c-navy); }
.form__row input, .form__row textarea, .form__row select {
  font: inherit; width: 100%; padding: 12px 14px;
  border: 1px solid var(--c-line); border-radius: var(--radius-sm); background: #fff;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.form__row input:focus, .form__row textarea:focus, .form__row select:focus {
  outline: none; border-color: var(--c-accent); box-shadow: 0 0 0 3px var(--c-accent-glow);
}
.form__banner {
  padding: 14px 16px; border-radius: var(--radius-sm); font-size: 14.5px;
  background: #e9f7ef; color: #14663b; border: 1px solid #b7e4ca;
}
.form__banner[hidden] { display: none; }

/* ═════════ Cookie 同意条 ═════════ */
.cookie-bar {
  position: fixed; z-index: 150; left: 50%; bottom: 20px;
  transform: translateX(-50%);
  width: min(880px, calc(100vw - 32px));
  background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-pop); border: 1px solid var(--c-line);
  padding: 20px 24px;
  display: none; align-items: center; gap: 20px; flex-wrap: wrap;
}
.cookie-bar.is-visible { display: flex; animation: cookieIn .45s var(--ease) both; }
@keyframes cookieIn {
  from { opacity: 0; transform: translateX(-50%) translateY(18px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}
.cookie-bar__text { flex: 1 1 380px; font-size: 13.5px; color: var(--c-body); line-height: 1.55; }
.cookie-bar__text strong { display: block; font-family: var(--f-head); font-size: 15px; color: var(--c-navy); margin-bottom: 2px; }
.cookie-bar__actions { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-bar__actions .btn { padding: 9px 22px; font-size: 13px; }
.cookie-bar .btn--decline { border: 1.5px solid var(--c-line); color: var(--c-muted); }
.cookie-bar .btn--decline:hover { border-color: var(--c-muted); color: var(--c-navy); transform: none; }

/* ═════════ 移动抽屉 drawer + scrim ═════════ */
.scrim {
  position: fixed; inset: 0; z-index: 130; background: rgba(7, 15, 26, .55);
  opacity: 0; visibility: hidden; transition: opacity .3s var(--ease), visibility .3s;
}
.scrim.is-open { opacity: 1; visibility: visible; }
.mobile-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 140;
  width: min(390px, 92vw);
  background: linear-gradient(180deg, var(--c-ink), var(--c-navy));
  color: #fff; transform: translateX(100%);
  transition: transform .35s var(--ease);
  display: flex; flex-direction: column; visibility: hidden;
}
.mobile-drawer.is-open { transform: none; visibility: visible; }
.drawer__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.drawer__brand { font-family: var(--f-head); font-weight: 800; font-size: 19px; letter-spacing: .04em; }
.drawer__close {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .3);
  color: #fff; font-size: 17px; display: grid; place-items: center;
  transition: background var(--dur-fast), border-color var(--dur-fast);
}
.drawer__close:hover { background: rgba(255, 255, 255, .12); border-color: #fff; }
.drawer__nav { flex: 1; overflow-y: auto; padding: 10px 12px; display: grid; gap: 2px; align-content: start; }
.drawer__row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  width: 100%; padding: 15px 14px; text-align: left; text-decoration: none;
  color: #fff; font-family: var(--f-head); font-weight: 700;
  text-transform: uppercase; font-size: 17px; letter-spacing: .05em;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  transition: color var(--dur-fast), padding-left var(--dur-fast) var(--ease);
}
.drawer__row:hover { color: var(--c-gold); padding-left: 20px; }
.drawer__foot { padding: 18px 22px 26px; border-top: 1px solid rgba(255, 255, 255, .12); display: grid; gap: 14px; }
.drawer__lang { display: flex; gap: 8px; }
.drawer__lang .lang-btn { border-color: rgba(255, 255, 255, .3); color: rgba(255, 255, 255, .75); }
.drawer__lang .lang-btn.active { background: var(--c-gold); border-color: var(--c-gold); color: var(--c-ink); }
.drawer__tel { font-size: 14.5px; color: rgba(255, 255, 255, .75); text-decoration: none; }
.drawer__tel:hover { color: #fff; }

/* ═════════ Footer（深色多列）═════════ */
.footer {
  background:
    radial-gradient(circle at 90% 0%, rgba(201, 162, 39, .08), transparent 38%),
    linear-gradient(180deg, var(--c-ink) 0%, #0a1322 100%);
  color: rgba(255, 255, 255, .78); font-size: 14.5px;
}
.footer__grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px; padding: 68px 0 48px;
}
.footer__brand .footer-logo {
  display: inline-flex; align-items: baseline; gap: 6px; text-decoration: none;
}
.footer__brand .footer-logo .logo__mark { color: #fff; font-size: 28px; }
.footer__brand p { margin: 16px 0 18px; max-width: 36ch; font-size: 14px; color: rgba(255, 255, 255, .66); }
.footer h4 {
  font-family: var(--f-head); font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; font-size: 15px; color: #fff; margin-bottom: 16px;
}
.footer ul { display: grid; gap: 10px; }
.footer a { color: rgba(255, 255, 255, .72); text-decoration: none; transition: color var(--dur-fast); }
.footer a:hover { color: var(--c-gold); }
.footer__contact li { display: flex; gap: 10px; align-items: baseline; }
.footer__contact .k { color: rgba(255, 255, 255, .5); flex-shrink: 0; }
.footer__contact a { font-weight: 600; color: rgba(255, 255, 255, .88); }
.footer__legal {
  border-top: 1px solid rgba(255, 255, 255, .14); padding: 20px 0;
  display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: space-between;
  font-size: 13px; color: rgba(255, 255, 255, .55);
}
.footer__legal nav { display: flex; gap: 20px; flex-wrap: wrap; }

/* ═════════ Reveal 滚动浮现 ═════════ */
.reveal {
  opacity: 0; transform: translateY(32px);
  transition: opacity var(--dur-reveal) var(--ease), transform var(--dur-reveal) var(--ease);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-dir="left"] { transform: translateX(-40px); }
.reveal[data-dir="right"] { transform: translateX(40px); }
.reveal[data-dir="left"].is-in, .reveal[data-dir="right"].is-in { transform: none; }

/* ═════════ 响应式 ≤1024 ═════════ */
@media (max-width: 1024px) {
  :root { --header-h: 72px; --header-h-min: 64px; }
  .nav, .mega { display: none; }
  .burger { display: block; }
  .header__actions .btn { display: none; }
  .header__inner { gap: 14px; }
  .values-split { grid-template-columns: 1fr; }
  .values-intro { position: static; }
  .netmap__layout { grid-template-columns: 1fr; }
  .svc-cards { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid .news-card:first-child { grid-column: 1 / -1; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
  .stat:nth-child(4) { border-left: 0; padding-left: 0; }
}

/* ═════════ 响应式 ≤768 ═════════ */
@media (max-width: 768px) {
  .reveal[data-dir="left"], .reveal[data-dir="right"] { transform: translateY(32px); }
  .hero-content { padding: 96px 0 130px; }
  .hero-desc { font-size: 16px; }
  .svc-cards { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .news-grid .news-card:first-child { grid-column: auto; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 0 18px; }
  .stat:nth-child(odd) { border-left: 0; padding-left: 0; }
  .cookie-bar { bottom: 0; width: 100vw; border-radius: var(--radius) var(--radius) 0 0; }
  .cta-band__inner { flex-direction: column; align-items: flex-start; }
}

/* ═════════ 响应式 ≤480 ═════════ */
@media (max-width: 480px) {
  :root { --gutter: 18px; }
  body { font-size: 15px; }
  .logo__img { height: 34px; }
  .hero-slider { min-height: 78vh; }
  .hero-controls { bottom: 24px; gap: 12px; }
  .hero-dot { width: 34px; }
  .hero-count { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; row-gap: 26px; }
  .stat { padding: 0 12px; }
  .stat:nth-child(even) { padding-left: 14px; }
  .stat:nth-child(odd) { padding-left: 0; }
  .footer__grid { grid-template-columns: 1fr; gap: 30px; padding-top: 52px; }
  .value-row { gap: 16px; }
  .btn { padding: 13px 24px; font-size: 14px; }
  .cookie-bar__actions { width: 100%; }
  .cookie-bar__actions .btn { flex: 1; }
}

/* ═════════ prefers-reduced-motion 全覆盖 ═════════ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001s !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .hero-slide { transition: none; }
  .hero-slide.is-active .hero-title,
  .hero-slide.is-active .hero-desc,
  .hero-slide.is-active .hero-cta { animation: none; }
  .hero-dot.is-active .fill { transition: none; }
  .marquee__track { animation: none; }
  .marquee { flex-wrap: wrap; justify-content: center; -webkit-mask-image: none; mask-image: none; }
  .marquee__track[aria-hidden="true"] { display: none; }
  .netmap-svg .route-main, .netmap-svg .route-sub { animation: none; stroke-dashoffset: 0; opacity: .6; }
  .net-node .ring { animation: none; opacity: .35; }
  .cookie-bar.is-visible { animation: none; }
  .steps__item:hover .steps__num,
  .btn:hover, .svc-card:hover, .news-card:hover { transform: none; }
}

/* ═══════════════════════════════════════════════════════════
   DESIGN POLISH LAYER · 国际范升级层（v2 审美迭代）
   排印 / 幽灵底字 / 细线系统 / 微交互 —— 只覆盖不改前文
   ═══════════════════════════════════════════════════════════ */

/* ── 全局细节 ── */
::selection { background: var(--c-gold); color: var(--c-ink); }
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--c-bg-soft); }
::-webkit-scrollbar-thumb { background: #c5cfdb; border-radius: 8px; border: 3px solid var(--c-bg-soft); }
::-webkit-scrollbar-thumb:hover { background: var(--c-silver); }
body { font-size: 16.5px; }

/* ── 排印升级：更大更紧的展示级标题 ── */
.h1, .hero-title { letter-spacing: -.025em; }
.hero-title { font-size: clamp(42px, 5.4vw, 74px); line-height: 1.08; }
.h2 { letter-spacing: -.015em; }
.lede { font-size: 18px; line-height: 1.78; }
.hero-desc { font-size: 19px; line-height: 1.75; max-width: 560px; }

/* ── eyebrow：金色引导线 + 宽字距（国际编辑风）── */
.eyebrow {
  display: inline-flex; align-items: center; gap: 14px;
  letter-spacing: .24em; font-size: 12.5px; font-weight: 700;
}
.eyebrow::before {
  content: ""; display: inline-block; width: 38px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold));
}
.sec-head--center .eyebrow::before { display: none; }

/* ── 幽灵英文底字（编辑级装饰）── */
.ghost {
  position: absolute; z-index: 0; pointer-events: none; user-select: none;
  font-family: var(--f-head); font-weight: 800; text-transform: uppercase;
  font-size: clamp(88px, 13vw, 185px); line-height: .9; letter-spacing: .01em;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .085);
}
.ghost--light { -webkit-text-stroke: 1px rgba(11, 31, 58, .07); }
.section--deep { position: relative; overflow: hidden; }
.section--deep > .container { position: relative; z-index: 1; }

/* ── hero 精修 ── */
.hero-content { max-width: 700px; }
.hero-slide.is-active .ghost { animation: ghostIn 1.2s var(--ease) both .15s; }
@keyframes ghostIn { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
.btn { letter-spacing: .1em; }
.btn--gold { background: linear-gradient(120deg, var(--c-gold) 0%, #d9b64a 100%); }
.btn .arrow {
  display: inline-grid; place-items: center;
  width: 21px; height: 21px; border: 1.5px solid currentColor; border-radius: 50%;
  font-size: 11px; line-height: 1;
}
.btn:hover .arrow { transform: translateX(3px); }

/* ── 卡片：金色角标刻线 + 精修 ── */
.svc-card { overflow: hidden; }
.svc-card::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 44px; height: 3px; background: var(--c-gold);
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s var(--ease);
}
.svc-card:hover::before { transform: scaleX(1); }
.svc-card h3 { font-size: 21px; letter-spacing: -.01em; }
.svc-card__icon { border-radius: 12px; }

/* ── 统计带：更霸气的数字 ── */
.stat__num { font-size: clamp(44px, 4.8vw, 64px); letter-spacing: -.02em; }
.stats-band { position: relative; overflow: hidden; }

/* ── mega 面板金色顶线 ── */
.mega { border-top: 2px solid var(--c-gold); }

/* ── 页头横幅容器层级 ── */
.page-hero { position: relative; overflow: hidden; }
.page-hero > .container { position: relative; z-index: 1; }

/* ── footer 精修 ── */
.footer h4 { font-size: 12.5px; letter-spacing: .16em; color: rgba(255, 255, 255, .5); }
.footer__brand .logo__mark { font-size: 32px; }
.footer__legal { font-size: 12.5px; }

/* ── 新闻卡精修 ── */
.news-card { padding: 30px 28px; }
.news-card h3 { letter-spacing: -.005em; }

/* ── 跑马灯胶囊精修 ── */
.marquee__pill { letter-spacing: .18em; font-size: 12.5px; }

/* ── reduced-motion 兜底 ── */
@media (prefers-reduced-motion: reduce) {
  .ghost { display: none; }
  .hero-slide.is-active .ghost { animation: none; }
}

/* ═══════════════════════════════════════════════════════════
   ITS-IFICATION LAYER · 真 ITS 化（黑 header / Bellyband / 滚码）
   ═══════════════════════════════════════════════════════════ */

/* ── 黑色 Header（ITS 招牌）── */
.site-header { background: rgba(10, 14, 20, .97); border-bottom-color: rgba(255, 255, 255, .08); }
.nav__link { color: #fff; }
.nav__link:hover { color: var(--c-gold); }
.nav__link:hover::after { background: var(--c-gold); }
.logo__img { display: none; }
.logo__fallback { display: inline-flex !important; align-items: baseline; gap: 5px; }
.logo__fallback .logo__mark { color: #fff; }
.burger span { background: #fff; }
.lang-btn { color: rgba(255, 255, 255, .72); }
.lang-btn:hover { color: #fff; border-color: rgba(255, 255, 255, .3); }
.lang-btn.active { background: var(--c-gold); border-color: var(--c-gold); color: var(--c-ink); }

/* ── Hero 视频背景 ── */
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .42; }
@media (prefers-reduced-motion: reduce) { .hero-video { display: none; } }

/* ── Bellyband（ITS 黄色横带）── */
.bellyband { background: var(--c-gold); color: var(--c-ink); padding: 46px 0; }
.bellyband__text {
  margin: 0; text-align: center;
  font-family: var(--f-head); font-weight: 800;
  font-size: clamp(22px, 3.2vw, 36px); letter-spacing: -.01em;
}

/* ── 首页时间线（浅底版）── */
.home-tl { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; padding-top: 4px; }
.home-tl::before {
  content: ""; position: absolute; left: 0; right: 12%; top: 10px; height: 2px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-line));
}
.home-tl__item { position: relative; padding-top: 26px; }
.home-tl__item::before {
  content: ""; position: absolute; top: 2px; left: 0; width: 15px; height: 15px;
  border-radius: 50%; background: #fff; border: 3.5px solid var(--c-gold);
}
.home-tl__yr { font-family: var(--f-head); font-weight: 800; font-size: 21px; color: var(--c-navy); }
.home-tl__item h3 { font-size: 15.5px; margin: 6px 0 4px; }
.home-tl__item p { font-size: 13.5px; color: var(--c-muted); margin: 0; }
@media (max-width: 768px) { .home-tl { grid-template-columns: 1fr 1fr; } .home-tl::before { right: 40%; } }

/* ── 逐位滚码 odometer ── */
.stat__num { display: inline-flex; align-items: flex-start; }
.od-col { display: inline-block; height: 1em; overflow: hidden; }
.od-strip { display: inline-flex; flex-direction: column; transition: transform 1.3s cubic-bezier(.16, .8, .24, 1); }
.od-digit { display: block; height: 1em; line-height: 1; }
.od-sep { display: inline; }

/* ── 深色价值观区覆盖 ── */
.values-dark .value-row { border-bottom-color: rgba(255, 255, 255, .12); }
.values-dark .value-row h3 { color: #fff; }
.values-dark .value-row p { color: rgba(255, 255, 255, .75); }
.values-dark .h2 { color: #fff; }
.values-dark .lede { color: rgba(255, 255, 255, .82); }
.values-dark .text-link { color: var(--c-gold); }