/* ==========================================================================
   Northwind Group — 站点主样式
   公司名 / 主色 / 字体可在 :root 中一次性替换
   ========================================================================== */

:root {
  /* —— 品牌色：改这几个变量就能换整站风格 —— */
  --brand-900: #0b1f33;
  --brand-800: #10304f;
  --brand-700: #16426c;
  --brand-600: #1b5a92;
  --brand-500: #2274b8;
  --brand-100: #e8f1fa;
  --brand-50: #f4f8fc;
  --accent: #c99a3f;
  --accent-soft: #f6edda;

  /* —— 中性色 —— */
  --ink-900: #10161d;
  --ink-700: #2f3b49;
  --ink-500: #5d6b7b;
  --ink-400: #8794a3;
  --ink-200: #dde3ea;
  --ink-100: #eef2f6;
  --paper: #ffffff;
  --paper-2: #f8fafc;

  /* —— 语义 —— */
  --text: var(--ink-900);
  --text-soft: var(--ink-500);
  --bg: var(--paper);
  --bg-soft: var(--paper-2);
  --line: var(--ink-200);

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px rgba(16, 22, 29, .06), 0 2px 8px rgba(16, 22, 29, .04);
  --shadow: 0 4px 12px rgba(16, 22, 29, .07), 0 12px 32px rgba(16, 22, 29, .06);
  --shadow-lg: 0 8px 24px rgba(11, 31, 51, .10), 0 24px 64px rgba(11, 31, 51, .10);

  --container: 1180px;
  --header-h: 72px;

  --font: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

/* —— Reset —— */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4, h5 { margin: 0; line-height: 1.25; letter-spacing: -.01em; font-weight: 650; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--brand-500); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--brand-100); color: var(--brand-900); }

/* —— Layout —— */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { padding: 96px 0; }
.section--tight { padding: 64px 0; }
/* 无 page-head 的页面：收紧顶部留白，避免导航下出现大片空白 */
.section--top { padding-top: 52px; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--brand-900); color: #fff; }
.section--dark .lead, .section--dark p { color: rgba(255, 255, 255, .72); }

.stack > * + * { margin-top: 16px; }
.center { text-align: center; }

/* —— Type —— */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--brand-600);
}
.eyebrow::before { content: ""; width: 20px; height: 2px; background: var(--accent); border-radius: 2px; }
.section--dark .eyebrow { color: var(--accent); }

.h-display { font-size: clamp(2.2rem, 4.6vw, 3.6rem); letter-spacing: -.025em; font-weight: 700; }
.h1 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); letter-spacing: -.02em; }
.h2 { font-size: clamp(1.55rem, 2.6vw, 2.15rem); }
.h3 { font-size: 1.2rem; }
.lead { font-size: clamp(1.02rem, 1.3vw, 1.14rem); color: var(--text-soft); line-height: 1.75; }
.muted { color: var(--text-soft); }
.small { font-size: .875rem; }
.tiny { font-size: .78rem; }

.section-head { max-width: 720px; margin-bottom: 48px; }
.section-head.is-center { margin-inline: auto; text-align: center; }
.section-head .h2 { margin: 12px 0 14px; }

/* —— Buttons —— */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; border: 1px solid transparent;
  font-size: .94rem; font-weight: 600; letter-spacing: .01em;
  cursor: pointer; transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; transition: transform .18s ease; }
.btn:hover svg { transform: translateX(3px); }
.btn--primary { background: var(--brand-700); color: #fff; box-shadow: 0 6px 18px rgba(22, 66, 108, .22); }
.btn--primary:hover { background: var(--brand-800); box-shadow: 0 10px 26px rgba(22, 66, 108, .28); transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--brand-700); border-color: var(--ink-200); }
.btn--ghost:hover { border-color: var(--brand-600); background: var(--brand-50); }
.btn--light { background: #fff; color: var(--brand-800); }
.btn--light:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn--outline-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .34); }
.btn--outline-light:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .6); }
.btn--sm { padding: 9px 18px; font-size: .86rem; }

.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--brand-600); font-size: .92rem; }
.link-arrow svg { width: 15px; height: 15px; transition: transform .18s ease; }
.link-arrow:hover svg { transform: translateX(4px); }

/* —— Header —— */
.site-header {
  position: sticky; top: 0; z-index: 80;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 2px 16px rgba(16, 22, 29, .05); }
.header-inner { display: flex; align-items: center; gap: 32px; height: var(--header-h); }

.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand__mark {
  width: 36px; height: 36px; border-radius: 10px; flex-shrink: 0;
  background: linear-gradient(145deg, var(--brand-600), var(--brand-900));
  display: grid; place-items: center; color: #fff; font-weight: 700; font-size: .95rem; letter-spacing: .02em;
  box-shadow: 0 4px 10px rgba(11, 31, 51, .2);
}
.brand__mark--img {
  /* 去掉白色底板与描边，图案撑满 */
  background: transparent; border: 0; box-shadow: none;
  object-fit: contain; padding: 0; border-radius: 0;
  width: 46px; height: 46px;
}
.brand__name { font-weight: 700; font-size: 1.02rem; letter-spacing: -.01em; line-height: 1.2; }
.brand__sub { display: block; font-size: .68rem; font-weight: 500; color: var(--ink-400); letter-spacing: .12em; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link {
  position: relative; padding: 8px 14px; border-radius: 8px;
  font-size: .92rem; font-weight: 500; color: var(--ink-700);
  transition: color .16s ease, background .16s ease;
}
.nav__link:hover { color: var(--brand-700); background: var(--brand-50); }
.nav__link.is-active { color: var(--brand-700); font-weight: 600; }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  background: var(--accent); border-radius: 2px;
}

.header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.portal-link {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px; border-radius: 999px; border: 1px solid var(--ink-200);
  font-size: .87rem; font-weight: 600; color: var(--brand-800);
  transition: all .18s ease;
}
.portal-link svg { width: 15px; height: 15px; }
.portal-link:hover { border-color: var(--brand-600); background: var(--brand-50); }

.nav-toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--ink-200); background: #fff;
  border-radius: 10px; cursor: pointer; position: relative; flex-shrink: 0;
}
.nav-toggle span {
  position: absolute; left: 12px; right: 12px; height: 2px; background: var(--ink-700);
  border-radius: 2px; transition: transform .22s ease, opacity .16s ease;
}
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 25px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 960px) {
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 14px 20px 22px; background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(16, 22, 29, .1);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .2s ease, opacity .2s ease;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav__link { padding: 12px 12px; font-size: 1rem; }
  .nav__link.is-active::after { display: none; }
  .nav__link.is-active { background: var(--brand-50); }
  .nav-toggle { display: block; margin-left: auto; }
  .header-actions .portal-link span { display: none; }
  .header-actions .portal-link { padding: 10px; }
  .header-actions { margin-left: 0; }
  .nav { margin-left: 0; }
}

/* —— Hero —— */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1200px 520px at 78% -8%, rgba(34, 116, 184, .16), transparent 62%),
    radial-gradient(900px 480px at 8% 108%, rgba(201, 154, 63, .12), transparent 62%),
    var(--brand-900);
  color: #fff;
  padding: 104px 0 96px;
}
.hero__grid-lines {
  position: absolute; inset: 0; pointer-events: none; opacity: .35;
  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: 64px 64px;
  mask-image: radial-gradient(80% 70% at 50% 30%, #000 25%, transparent 100%);
  -webkit-mask-image: radial-gradient(80% 70% at 50% 30%, #000 25%, transparent 100%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center; }
.hero h1 { font-size: clamp(2.2rem, 4.2vw, 3.5rem); font-weight: 700; letter-spacing: -.028em; line-height: 1.16; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lead { color: rgba(255, 255, 255, .76); max-width: 32em; margin-top: 22px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero .eyebrow { color: var(--accent); }
.hero .eyebrow::before { background: rgba(255, 255, 255, .5); }

.hero__stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 56px;
  border-top: 1px solid rgba(255, 255, 255, .14); padding-top: 28px;
}
.hero__stat b { display: block; font-size: clamp(1.6rem, 2.4vw, 2.1rem); font-weight: 700; letter-spacing: -.02em; color: #fff; }
.hero__stat span { font-size: .8rem; color: rgba(255, 255, 255, .58); letter-spacing: .02em; }

/* Hero 右侧视觉卡片 */
.hero__panel {
  position: relative; border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255, 255, 255, .11), rgba(255, 255, 255, .03));
  border: 1px solid rgba(255, 255, 255, .14);
  padding: 26px; box-shadow: 0 30px 80px rgba(0, 0, 0, .35);
  backdrop-filter: blur(6px);
}
.hero__panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.hero__panel-title { font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255, 255, 255, .55); }
.dot-row { display: flex; gap: 6px; }
.dot-row i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, .22); }
.dot-row i:first-child { background: var(--accent); }
.hero__bars { display: flex; align-items: flex-end; gap: 10px; height: 150px; margin: 8px 0 22px; }
.hero__bars i {
  flex: 1; border-radius: 5px 5px 2px 2px;
  background: linear-gradient(to top, rgba(34, 116, 184, .35), var(--brand-500));
  transform-origin: bottom; animation: growBar .9s cubic-bezier(.2, .8, .2, 1) both;
}
.hero__bars i:nth-child(6) { background: linear-gradient(to top, rgba(201, 154, 63, .35), var(--accent)); }
@keyframes growBar { from { transform: scaleY(.04); opacity: .2; } to { transform: scaleY(1); opacity: 1; } }
.hero__panel-rows { display: grid; gap: 10px; }
.hero__row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 14px; border-radius: 9px; background: rgba(255, 255, 255, .06);
  font-size: .84rem; color: rgba(255, 255, 255, .82);
}
.hero__row b { color: #fff; font-variant-numeric: tabular-nums; }
.tag-live {
  display: inline-flex; align-items: center; gap: 6px; font-size: .7rem; padding: 2px 9px;
  border-radius: 999px; background: rgba(201, 154, 63, .18); color: var(--accent);
  border: 1px solid rgba(201, 154, 63, .3);
}
.tag-live::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

@media (max-width: 900px) {
  .hero { padding: 72px 0 64px; }
  .hero__inner { grid-template-columns: 1fr; gap: 44px; }
  .hero__stats { margin-top: 40px; }
}

/* —— Page header (子页) —— */
.page-head {
  background: linear-gradient(180deg, var(--brand-50), var(--paper));
  border-bottom: 1px solid var(--line);
  padding: 64px 0 56px;
}
.page-head .h1 { margin: 14px 0 16px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: .82rem; color: var(--ink-400); }
.breadcrumb a:hover { color: var(--brand-600); }
.breadcrumb span { color: var(--ink-400); }

/* —— Cards —— */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
}

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  position: relative; overflow: hidden;
}
.card--hover:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: transparent; }
.card__icon {
  width: 46px; height: 46px; border-radius: 11px; display: grid; place-items: center;
  background: var(--brand-50); color: var(--brand-600); margin-bottom: 18px;
  border: 1px solid var(--brand-100);
}
.card__icon svg { width: 22px; height: 22px; }
.card .h3 { margin-bottom: 10px; }
.card p { color: var(--text-soft); font-size: .93rem; }
.card__num {
  position: absolute; top: 18px; right: 22px;
  font-family: var(--mono); font-size: .74rem; color: var(--ink-400); letter-spacing: .04em;
}

.card--dark { background: var(--brand-900); border-color: transparent; color: #fff; }
.card--dark p { color: rgba(255, 255, 255, .7); }
.card--dark .card__icon { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .12); color: var(--accent); }

/* —— Split / 图文 —— */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split--wide-right { grid-template-columns: .9fr 1.1fr; }
.split--wide-left { grid-template-columns: 1.1fr .9fr; }
/* 办公布局：地图是主角，给它多一点宽度 */
.split--map { grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr); gap: 52px; }
@media (max-width: 900px) { .split, .split--wide-right, .split--wide-left, .split--map { grid-template-columns: 1fr; gap: 40px; } }

.figure {
  border-radius: var(--radius-lg); overflow: hidden; background: var(--brand-50);
  border: 1px solid var(--line); aspect-ratio: 4 / 3; position: relative;
  display: grid; place-items: center;
}
.figure--wide { aspect-ratio: 16 / 10; }
.figure__ph {
  font-size: .8rem; color: var(--ink-400); letter-spacing: .1em; text-transform: uppercase;
  display: grid; place-items: center; gap: 10px; text-align: center;
}
.figure__ph svg { width: 34px; height: 34px; opacity: .45; }
.figure__deco {
  position: absolute; inset: 0; opacity: .9;
  background:
    radial-gradient(600px 300px at 80% 0%, rgba(34, 116, 184, .14), transparent 60%),
    radial-gradient(500px 260px at 0% 100%, rgba(201, 154, 63, .14), transparent 60%);
}
.figure__deco--grid {
  background-image:
    linear-gradient(rgba(22, 66, 108, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 66, 108, .06) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* 数据列表 */
.facts { display: grid; gap: 0; margin-top: 28px; border-top: 1px solid var(--line); }
.facts li { display: flex; align-items: baseline; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.facts dt, .facts .k { flex-shrink: 0; width: 108px; font-size: .85rem; color: var(--ink-400); }
.facts dd, .facts .v { margin: 0; font-size: .95rem; font-weight: 500; }

.tick-list { display: grid; gap: 13px; margin-top: 26px; }
.tick-list li { display: flex; gap: 11px; font-size: .95rem; color: var(--ink-700); }
.tick-list svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 3px; color: var(--brand-600); }

/* —— Stats strip —— */
.stats-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.stats-strip > div { padding: 34px 24px; border-right: 1px solid var(--line); }
.stats-strip > div:last-child { border-right: 0; }
.stats-strip b { display: block; font-size: clamp(1.7rem, 2.6vw, 2.3rem); font-weight: 700; letter-spacing: -.025em; color: var(--brand-800); }
.stats-strip span { font-size: .84rem; color: var(--text-soft); }
@media (max-width: 760px) {
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .stats-strip > div:nth-child(2) { border-right: 0; }
  .stats-strip > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

/* —— Process / 时间轴 —— */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 8px; }
.process__item { position: relative; padding: 0 26px 0 0; }
.process__item::before {
  content: ""; position: absolute; left: 0; top: 15px; right: 0; height: 1px; background: var(--ink-200);
}
.process__item:last-child::before { background: linear-gradient(90deg, var(--ink-200), transparent); }
.process__dot {
  position: relative; width: 30px; height: 30px; border-radius: 50%; background: #fff;
  border: 2px solid var(--brand-600); display: grid; place-items: center;
  font-family: var(--mono); font-size: .72rem; font-weight: 700; color: var(--brand-700);
  margin-bottom: 20px;
}
.process__item h4 { font-size: 1rem; margin-bottom: 8px; }
.process__item p { font-size: .88rem; color: var(--text-soft); }
@media (max-width: 860px) {
  .process { grid-template-columns: 1fr 1fr; gap: 32px 0; }
  .process__item:nth-child(2)::before { background: linear-gradient(90deg, var(--ink-200), transparent); }
}
@media (max-width: 560px) { .process { grid-template-columns: 1fr; } .process__item::before { display: none; } }

.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--ink-200); }
.timeline li { position: relative; padding-bottom: 30px; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: ""; position: absolute; left: -28px; top: 7px; width: 14px; height: 14px; border-radius: 50%;
  background: #fff; border: 3px solid var(--brand-600); box-shadow: 0 0 0 4px var(--brand-50);
}
.timeline__year { font-family: var(--mono); font-size: .82rem; font-weight: 600; color: var(--accent); letter-spacing: .04em; }
.timeline h4 { font-size: 1.02rem; margin: 4px 0 6px; }
.timeline p { font-size: .9rem; color: var(--text-soft); }

/* —— 新闻/资讯列表 —— */
.news-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.news-item {
  display: grid; grid-template-columns: 96px 1fr auto 22px; gap: 28px; align-items: center;
  padding: 24px 8px; border-bottom: 1px solid var(--line);
  transition: background .16s ease, padding .16s ease;
}
.news-item:hover { background: var(--brand-50); padding-inline: 18px; }
.news-item__date { font-family: var(--mono); font-size: .82rem; color: var(--ink-400); line-height: 1.4; }
.news-item__date b { display: block; font-size: 1.3rem; color: var(--brand-800); font-weight: 600; letter-spacing: -.01em; }
/* 只有年月的条目：月份直接占“日”的位置，字号收小一点 */
.news-item__date--m b { font-size: 1.04rem; line-height: 1.55; }
.news-item__title { font-size: 1.02rem; font-weight: 600; margin-bottom: 5px; }
.news-item__desc { font-size: .88rem; color: var(--text-soft); }
.news-item__tag {
  font-size: .74rem; padding: 3px 10px; border-radius: 999px; background: var(--accent-soft);
  color: #8a6520; font-weight: 600; white-space: nowrap;
}
.news-item__arrow { color: var(--ink-400); transition: transform .16s ease, color .16s ease; }
.news-item__arrow svg { width: 18px; height: 18px; }
.news-item:hover .news-item__arrow { color: var(--brand-600); transform: translateX(4px); }
@media (max-width: 700px) {
  .news-item { grid-template-columns: 1fr; gap: 10px; padding: 20px 4px; }
  .news-item__date { display: flex; align-items: baseline; gap: 8px; }
  .news-item__date b { font-size: 1rem; }
  .news-item__tag { justify-self: start; }
  .news-item__arrow { display: none; }
}

/* 筛选标签 */
.filters { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 34px; }
.chip {
  padding: 8px 17px; border-radius: 999px; border: 1px solid var(--ink-200); background: #fff;
  font-size: .87rem; font-weight: 500; color: var(--ink-700); cursor: pointer; transition: all .16s ease;
}
.chip:hover { border-color: var(--brand-500); color: var(--brand-700); }
.chip.is-active { background: var(--brand-700); border-color: var(--brand-700); color: #fff; }

/* —— 表格 —— */
.table-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: .91rem; }
thead th {
  text-align: left; padding: 14px 20px; background: var(--brand-50); color: var(--brand-800);
  font-size: .78rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
tbody td { padding: 15px 20px; border-bottom: 1px solid var(--ink-100); color: var(--ink-700); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--paper-2); }
.table-scroll { overflow-x: auto; }

/* —— 联系/表单 —— */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 600; color: var(--ink-700); }
.field label .req { color: #c0392b; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 14px; font: inherit; font-size: .93rem;
  border: 1px solid var(--ink-200); border-radius: 9px; background: #fff; color: var(--text);
  transition: border-color .16s ease, box-shadow .16s ease;
}
.field textarea { min-height: 128px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand-500); box-shadow: 0 0 0 3px rgba(34, 116, 184, .12);
}
.form-note { font-size: .8rem; color: var(--ink-400); margin-top: 14px; }
.form-feedback {
  display: none; margin-top: 16px; padding: 13px 16px; border-radius: 9px;
  background: #ecf7ee; border: 1px solid #bfe3c6; color: #22662f; font-size: .88rem;
}
.form-feedback.is-visible { display: block; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.contact-block { display: grid; gap: 22px; }
.contact-line { display: flex; gap: 14px; align-items: flex-start; }
.contact-line svg { width: 19px; height: 19px; color: var(--brand-600); flex-shrink: 0; margin-top: 4px; }
.contact-line .k { font-size: .78rem; color: var(--ink-400); letter-spacing: .04em; text-transform: uppercase; margin-bottom: 2px; }
.contact-line .v { font-size: .95rem; font-weight: 500; }
.map-ph {
  border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden;
  background: var(--brand-50); aspect-ratio: 16 / 9; position: relative; display: grid; place-items: center;
}
.map-ph::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(22, 66, 108, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 66, 108, .07) 1px, transparent 1px);
  background-size: 32px 32px;
}
.map-ph span { position: relative; font-size: .82rem; color: var(--ink-400); letter-spacing: .08em; text-transform: uppercase; }

/* —— 联系页地图 —— */
.contact-map {
  border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden; background: #fff;
}
.contact-map__canvas { position: relative; height: 300px; background: var(--brand-50); }
.contact-map__fallback {
  position: absolute; inset: 0; display: grid; place-content: center; gap: 8px;
  text-align: center; padding: 24px; font-size: .84rem; color: var(--ink-400); line-height: 1.7;
}
.contact-map__fallback b { color: var(--brand-700); font-size: .95rem; letter-spacing: .04em; }
.contact-map.is-ready .contact-map__fallback { display: none; }
.contact-map__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; border-top: 1px solid var(--line); font-size: .78rem; color: var(--text-soft);
}
.contact-map__bar a { color: var(--brand-700); text-decoration: none; font-weight: 600; }
.contact-map__bar a:hover { text-decoration: underline; }

/* —— CTA 区块 —— */
.cta {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--brand-800), var(--brand-900) 60%);
  color: #fff; padding: 58px 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
}
.cta::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 340px; height: 340px;
  border-radius: 50%; background: radial-gradient(circle, rgba(201, 154, 63, .22), transparent 68%);
}
.cta h2 { font-size: clamp(1.4rem, 2.3vw, 1.9rem); margin-bottom: 10px; position: relative; }
.cta p { color: rgba(255, 255, 255, .72); font-size: .96rem; position: relative; max-width: 46ch; }
.cta__actions { display: flex; gap: 12px; flex-wrap: wrap; position: relative; }
@media (max-width: 720px) { .cta { padding: 40px 28px; } }

/* —— Footer —— */
.site-footer { background: var(--brand-900); color: rgba(255, 255, 255, .68); padding: 64px 0 0; font-size: .89rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer .brand__name { color: #fff; }
.site-footer .brand__mark { background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .16); box-shadow: none; }
.site-footer .brand__mark--img {
  background: #fff; border: 0; border-radius: 8px; padding: 3px;
  width: 40px; height: 40px;
}
.footer-about { margin-top: 18px; line-height: 1.75; max-width: 34ch; color: rgba(255, 255, 255, .58); }
.footer-col h5 { color: #fff; font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 16px; font-weight: 600; }
.footer-col li + li { margin-top: 10px; }
.footer-col a { transition: color .16s ease; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1); padding: 22px 0 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: .8rem; color: rgba(255, 255, 255, .42);
}
.footer-bottom .links { display: flex; gap: 20px; }
.footer-bottom .icp { color: inherit; text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, .18); padding-bottom: 1px; transition: color .16s ease, border-color .16s ease; }
.footer-bottom .icp:hover { color: rgba(255, 255, 255, .78); border-color: rgba(255, 255, 255, .45); }

/* —— 滚动进场动画 —— */
[data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .6s cubic-bezier(.2, .7, .2, 1), transform .6s cubic-bezier(.2, .7, .2, 1); }
[data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}

/* —— 产品/图集 —— */
.product-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.product-card .figure { border: 0; border-radius: 0; aspect-ratio: 16 / 10; background: #e9edf2; }
.product-card .figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.product-card:hover .figure img { transform: scale(1.045); }
.product-card__body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.product-card__meta { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.ptag {
  font-size: .72rem; padding: 2px 10px; border-radius: 999px; font-weight: 600;
  background: var(--brand-50); color: var(--brand-700); border: 1px solid var(--brand-100);
}
.ptag--gold { background: var(--accent-soft); color: #8a6520; border-color: transparent; }

.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .gallery-grid { grid-template-columns: 1fr; } }
.gallery-item {
  position: relative; border-radius: var(--radius); overflow: hidden; cursor: zoom-in;
  border: 1px solid var(--line); background: #e9edf2; aspect-ratio: 4 / 3;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item__cap {
  position: absolute; inset: auto 0 0 0; padding: 28px 16px 12px;
  background: linear-gradient(transparent, rgba(11, 31, 51, .78));
  color: #fff; font-size: .86rem; font-weight: 500;
  opacity: 0; transform: translateY(6px); transition: all .25s ease;
}
.gallery-item:hover .gallery-item__cap { opacity: 1; transform: none; }

/* 灯箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 300; display: grid; place-items: center;
  background: rgba(8, 15, 24, .92); padding: 32px; opacity: 0; pointer-events: none;
  transition: opacity .22s ease;
}
.lightbox.is-open { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: min(1100px, 94vw); max-height: 82vh; border-radius: 10px; box-shadow: 0 30px 90px rgba(0,0,0,.5); }
.lightbox__cap { color: rgba(255,255,255,.85); font-size: .9rem; margin-top: 14px; text-align: center; }
.lightbox__close {
  position: absolute; top: 20px; right: 24px; width: 44px; height: 44px; border-radius: 50%;
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2); color: #fff;
  font-size: 1.3rem; cursor: pointer; line-height: 1;
}
.lightbox__close:hover { background: rgba(255,255,255,.2); }

/* 专利列表 */
.patent-list { display: grid; gap: 10px; }
.patent-list li {
  display: flex; align-items: center; gap: 12px; padding: 13px 16px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff; font-size: .92rem;
  transition: border-color .16s ease, box-shadow .16s ease;
}
.patent-list li:hover { border-color: var(--brand-500); box-shadow: var(--shadow-sm); }
.patent-list svg { width: 17px; height: 17px; color: var(--accent); flex-shrink: 0; }

/* —— 装饰性分割 —— */
.divider { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ==========================================================================
   内部门户专属
   ========================================================================== */
.portal-body { background: #f2f5f9; }

.portal-bar {
  background: var(--brand-900); color: rgba(255, 255, 255, .8);
  font-size: .8rem; padding: 7px 0;
}
.portal-bar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.portal-bar .who { display: flex; align-items: center; gap: 10px; }
.avatar {
  width: 22px; height: 22px; border-radius: 50%; background: var(--brand-600); color: #fff;
  display: grid; place-items: center; font-size: .68rem; font-weight: 700;
}
.portal-bar a:hover { color: #fff; text-decoration: underline; }

.portal-hero {
  background: linear-gradient(135deg, var(--brand-800), var(--brand-900));
  color: #fff; padding: 40px 0;
}
.portal-hero h1 { font-size: 1.7rem; margin-bottom: 8px; }
.portal-hero p { color: rgba(255, 255, 255, .66); font-size: .94rem; }
.portal-hero .search {
  display: flex; align-items: center; gap: 10px; margin-top: 22px; max-width: 520px;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 10px; padding: 0 16px;
}
.portal-hero .search svg { width: 17px; height: 17px; color: rgba(255, 255, 255, .5); flex-shrink: 0; }
.portal-hero .search input {
  flex: 1; background: transparent; border: 0; padding: 13px 0; color: #fff; font: inherit; font-size: .92rem;
}
.portal-hero .search input::placeholder { color: rgba(255, 255, 255, .42); }
.portal-hero .search input:focus { outline: none; }

.portal-main { padding: 32px 0 72px; }
.portal-grid { display: grid; grid-template-columns: 1fr 320px; gap: 24px; align-items: start; }
@media (max-width: 1000px) { .portal-grid { grid-template-columns: 1fr; } }

.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.panel__head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 18px 22px; border-bottom: 1px solid var(--ink-100);
}
.panel__head h3 { font-size: 1rem; font-weight: 650; display: flex; align-items: center; gap: 9px; }
.panel__head h3::before { content: ""; width: 3px; height: 15px; background: var(--brand-600); border-radius: 2px; }
.panel__body { padding: 20px 22px; }
.panel__body--flush { padding: 0; }

.notice-list li { border-bottom: 1px solid var(--ink-100); }
.notice-list li:last-child { border-bottom: 0; }
.notice-list a { display: flex; align-items: center; gap: 12px; padding: 13px 22px; transition: background .14s ease; }
.notice-list a:hover { background: var(--brand-50); }
.notice-list .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ink-200); flex-shrink: 0; }
.notice-list .dot.new { background: #d9534f; box-shadow: 0 0 0 3px rgba(217, 83, 79, .14); }
.notice-list .t { flex: 1; font-size: .91rem; color: var(--ink-700); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.notice-list .d { font-size: .79rem; color: var(--ink-400); font-variant-numeric: tabular-nums; flex-shrink: 0; }

.badge-new {
  font-size: .68rem; font-weight: 700; color: #fff; background: #d9534f;
  padding: 1px 6px; border-radius: 4px; letter-spacing: .04em;
}
.badge {
  display: inline-block; font-size: .75rem; font-weight: 600;
  padding: 1px 9px; border-radius: 999px; background: var(--ink-100);
  white-space: nowrap;
}
.badge::before { content: "● "; font-size: .6em; vertical-align: 1px; }

.app-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 640px) { .app-grid { grid-template-columns: repeat(2, 1fr); } }
.app-tile {
  display: grid; gap: 10px; justify-items: center; text-align: center;
  padding: 18px 10px; border-radius: 10px; border: 1px solid var(--ink-100);
  transition: all .16s ease; background: #fff;
}
.app-tile:hover { border-color: var(--brand-500); background: var(--brand-50); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.app-tile__icon {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: var(--brand-50); color: var(--brand-600); font-weight: 700; font-size: .82rem;
  border: 1px solid var(--brand-100);
}
.app-tile span { font-size: .82rem; color: var(--ink-700); font-weight: 500; line-height: 1.35; }

.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 1080px) { .quick-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .quick-grid { grid-template-columns: 1fr; } }
.quick-card {
  padding: 20px; border-radius: var(--radius); border: 1px solid var(--line); background: #fff;
  display: flex; gap: 14px; align-items: flex-start; transition: all .18s ease;
}
.quick-card:hover { border-color: transparent; box-shadow: var(--shadow); transform: translateY(-2px); }
.quick-card__icon {
  width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0; display: grid; place-items: center;
  background: var(--accent-soft); color: #8a6520;
}
.quick-card__icon svg { width: 20px; height: 20px; }
.quick-card h4 { font-size: .95rem; margin-bottom: 4px; }
.quick-card p { font-size: .82rem; color: var(--text-soft); line-height: 1.55; }

.kv-list { display: grid; gap: 0; }
.kv-list li { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--ink-100); font-size: .89rem; }
.kv-list li:last-child { border-bottom: 0; }
.kv-list .k { color: var(--text-soft); }
.kv-list .v { font-weight: 600; color: var(--ink-900); font-variant-numeric: tabular-nums; }

/* 登录门控 */
.auth-gate {
  position: fixed; inset: 0; z-index: 200; display: grid; place-items: center;
  background: linear-gradient(150deg, var(--brand-900), #081521);
  padding: 24px;
}
.auth-gate[hidden] { display: none; }
.auth-card {
  width: 100%; max-width: 396px; background: #fff; border-radius: var(--radius-lg);
  padding: 40px 36px; box-shadow: 0 30px 80px rgba(0, 0, 0, .4);
}
.auth-card .brand { justify-content: center; margin-bottom: 26px; }
.auth-card h2 { font-size: 1.22rem; text-align: center; margin-bottom: 6px; }
.auth-card > p { text-align: center; font-size: .87rem; color: var(--text-soft); margin-bottom: 26px; }
.auth-card .field + .field { margin-top: 14px; }
.auth-card .btn { width: 100%; margin-top: 20px; }
.auth-hint {
  margin-top: 18px; padding: 11px 14px; border-radius: 8px; font-size: .8rem; line-height: 1.6;
  background: var(--accent-soft); color: #7a5a1e;
}
.auth-error { margin-top: 12px; font-size: .83rem; color: #c0392b; min-height: 1.2em; }

.portal-content[aria-hidden="true"] { filter: blur(2px); pointer-events: none; user-select: none; }

/* ==========================================================================
   2026-11 改版：下拉导航 / 首页视频位 / 设计中心地图
   ========================================================================== */

/* —— 页头：logo 左靠、导航均分 —— */
.header-inner { gap: 20px; }
.nav { flex: 1 1 auto; justify-content: space-between; margin-left: 8px; }
.nav__item { position: relative; flex: 1 1 0; display: flex; justify-content: center; }
.nav__link { display: flex; align-items: center; justify-content: center; gap: 5px; width: 100%; white-space: nowrap; }
.nav__link .caret { width: 11px; height: 11px; opacity: .55; transition: transform .18s ease; }
.nav__item.is-open .nav__link .caret,
.nav__item:hover .nav__link .caret { transform: rotate(180deg); }

/* 下拉菜单 */
.submenu {
  position: absolute; top: calc(100% + 6px); left: 50%;
  transform: translate(-50%, 6px);
  min-width: 184px; padding: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 18px 44px rgba(16, 22, 29, .13);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .16s ease, transform .16s ease, visibility .16s;
  z-index: 90;
}
.nav__item:hover > .submenu,
.nav__item:focus-within > .submenu,
.nav__item.is-open > .submenu { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.submenu a {
  display: block; padding: 9px 14px; border-radius: 8px;
  font-size: .9rem; color: var(--ink-700); white-space: nowrap;
  transition: background .14s ease, color .14s ease;
}
.submenu a:hover { background: var(--brand-50); color: var(--brand-700); }

@media (max-width: 960px) {
  .nav { flex: none; }
  .nav__item { display: block; width: 100%; }
  .nav__link { justify-content: space-between; }
  .submenu {
    position: static; transform: none; opacity: 1; visibility: visible; pointer-events: auto;
    box-shadow: none; border: 0; border-left: 2px solid var(--ink-200);
    border-radius: 0; margin: 0 0 4px 12px; padding: 2px 0 2px 8px; min-width: 0;
  }
  .submenu a { padding: 8px 10px; font-size: .92rem; }
}

/* —— 首页右侧：视频 / 公司简介 —— */
.hero__media {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .16);
  background: linear-gradient(155deg, rgba(255, 255, 255, .10), rgba(255, 255, 255, .02) 55%, rgba(11, 31, 51, .35));
  box-shadow: 0 30px 80px rgba(0, 0, 0, .38);
  min-height: 340px;
  display: flex; flex-direction: column; justify-content: center;
  padding: 30px 32px;
}
.hero__media::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(560px 300px at 88% 4%, rgba(34, 116, 184, .28), transparent 62%);
}
.hero__media-label {
  position: relative; display: flex; align-items: center; gap: 9px;
  font-size: .74rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px; font-weight: 600;
}
.hero__media-label::before { content: ""; width: 18px; height: 2px; background: var(--accent); border-radius: 2px; }
.hero__media h2 { position: relative; font-size: clamp(1.15rem, 1.6vw, 1.4rem); color: #fff; margin-bottom: 12px; }
.hero__media p {
  position: relative; font-size: .88rem; line-height: 1.75;
  color: rgba(255, 255, 255, .74); margin-bottom: 10px;
}
.hero__media p:last-of-type { margin-bottom: 0; }
.hero__media-foot {
  position: relative; display: flex; align-items: center; gap: 10px;
  margin-top: 20px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: .76rem; color: rgba(255, 255, 255, .48); letter-spacing: .04em;
}
.play-dot {
  width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22);
}
.play-dot svg { width: 10px; height: 10px; margin-left: 1px; fill: rgba(255, 255, 255, .85); }

@media (max-width: 900px) {
  .hero__media { min-height: 0; aspect-ratio: auto; padding: 26px 24px; }
}

/* 视频就绪后：把 .hero__media 换成下面结构即可
   <div class="hero__media hero__media--video">
     <video src="assets/video/intro.mp4" controls playsinline poster="assets/img/video-poster.jpg"></video>
   </div> */
.hero__media--video { padding: 0; min-height: 0; aspect-ratio: 16 / 9; }
.hero__media--video video { width: 100%; height: 100%; object-fit: cover; display: block; }

/* —— 设计中心分布 —— */
.map-wrap {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--line); height: 520px;
  /* 地平线辉光：底图远端之外留一圈冷光，撑起天空的纵深 */
  background: radial-gradient(95% 52% at 50% 21%, #2a5b7d 0%, #143049 42%, #0a1a29 72%, #06111c 100%);
}
/* 底图"斜置面板"：腾讯地图在国家级缩放下不渲染俯仰角，
   这里把画布加高、做容器透视——近处（下方）放大，远处（上方）收拢，形成纵深。
   倾角/缩放抽成变量，DOM 标记层用同一个值做反向旋转，钉在底图上但不被压扁。 */
.map-wrap { --tilt: 38deg; --mzoom: 1.66; }
#mapCanvas {
  position: absolute; left: 0; right: 0; top: -380px; height: 900px;
  transform: perspective(820px) rotateX(var(--tilt)) scale(var(--mzoom)) translateY(26%);
  transform-origin: 50% 100%;
  will-change: transform;
  /* 上缘羽化，底图的硬边化进天空 */
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,.45) 5%, #000 12%, #000 100%);
  mask-image: linear-gradient(180deg, transparent 0%, rgba(0,0,0,.45) 5%, #000 12%, #000 100%);
}
/* 底图退成背景：一层厚雾压在瓦片上，城市名只留个影子 */
.map-veil {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  background: rgba(246, 250, 253, .74);
}
/* 四地标记：独立图层盖在雾之上（不跟着画布透视，所以不会变形），
   位置由 JS 用投影 + 探针换算到卡片坐标 */
.map-pins { position: absolute; inset: 0; z-index: 6; pointer-events: none; }
.map-pin { position: absolute; width: 0; height: 0; transform: translate(-50%, -50%); }
.map-pin__dot {
  position: absolute; left: -4.5px; top: -4.5px; width: 9px; height: 9px; border-radius: 50%;
}
.map-pin--hub .map-pin__dot {
  background: #e01b0f;
  box-shadow: 0 0 0 4px rgba(224,27,15,.2), 0 0 0 9px rgba(224,27,15,.09);
}
.map-pin--site .map-pin__dot { background: #c08a24; box-shadow: 0 0 0 4px rgba(192,138,36,.16); }
.map-pin--ripple .map-pin__dot { background: #c08a24; box-shadow: 0 0 0 3px rgba(192,138,36,.16); }
.map-pin--ripple::before, .map-pin--ripple::after {
  content: ''; position: absolute; border-radius: 50%;
  border: 1px solid rgba(192,138,36,.6);
  left: -11px; top: -11px; width: 22px; height: 22px;
}
.map-pin--ripple::after {
  left: -18px; top: -18px; width: 36px; height: 36px; border-color: rgba(192,138,36,.28);
}
.map-pin__name {
  position: absolute; left: 0; bottom: 9px; transform: translateX(-50%);
  padding: 3px 7px; border-radius: 4px; white-space: nowrap;
  font-size: 12px; font-weight: 500; line-height: 1.35; letter-spacing: .02em;
  color: #fff; background: rgba(6,17,28,.94);
  border: 1px solid rgba(201,154,63,.6);
  box-shadow: 0 2px 8px rgba(6,17,28,.3);
}
.map-pin--r .map-pin__name { left: 11px; bottom: -9px; transform: none; }
.map-pin--hub .map-pin__name { background: #e01b0f; border-color: rgba(255,255,255,.55); }

/* 远端渐隐 + 近端压暗，模拟大气透视，同时把底图上缘化进天空 */
.map-wrap::after {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 4;
  background:
    linear-gradient(180deg, rgba(6,17,28,1) 0%, rgba(6,17,28,.88) 9%, rgba(6,17,28,.4) 16%, rgba(6,17,28,0) 24%);
}
@media (max-width: 900px) {
  .map-wrap { height: 480px; --tilt: 36deg; --mzoom: 1.55; }
  #mapCanvas {
    top: -330px; height: 760px;
    transform: perspective(760px) rotateX(var(--tilt)) scale(var(--mzoom)) translateY(26%);
  }
}
@media (max-width: 600px) {
  .map-wrap { height: 420px; --tilt: 32deg; --mzoom: 1.42; }
  #mapCanvas {
    top: -300px; height: 700px;
    transform: perspective(680px) rotateX(var(--tilt)) scale(var(--mzoom)) translateY(24%);
  }
  /* 手机上一行放不下四地的职务说明，只留城市名，免得图例挡掉半张图 */
  .map-legend__role { display: none; }
  /* 小屏四地挨得近，标记与标签都收一号，免得压在一起 */
  .map-pin__name { font-size: 10.5px; padding: 2px 5px; }
  .map-pin--r .map-pin__name { left: 10px; }
  .map-pin--hub .map-pin__dot { box-shadow: 0 0 0 3px rgba(224,27,15,.2), 0 0 0 7px rgba(224,27,15,.09); }
  .map-legend { left: 12px; right: 12px; bottom: 12px; padding: 9px 12px; gap: 10px; font-size: .74rem; }
}

.map-legend {
  position: absolute; left: 20px; bottom: 20px; z-index: 7;
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 12px 14px; border-radius: 10px;
  background: rgba(11, 31, 51, .82); border: 1px solid rgba(255, 255, 255, .14);
  backdrop-filter: blur(8px);
  font-size: .78rem; color: rgba(255, 255, 255, .8);
}
.map-legend b { color: #fff; font-weight: 600; }
.map-legend i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); display: inline-block; margin-right: 6px; }
.map-legend .hub i { background: #e8453c; box-shadow: 0 0 0 3px rgba(232, 69, 60, .25); }

/* 地图不可用时的降级（抽象节点图，不绘国界） */
.map-fallback {
  position: absolute; inset: 0; display: none;
  align-items: center; justify-content: center;
  background:
    radial-gradient(700px 420px at 50% 46%, rgba(34, 116, 184, .22), transparent 68%),
    #0d1b2a;
}
.map-fallback.is-on { display: flex; }
.hub-graph { position: relative; width: 100%; height: 100%; max-width: 640px; }
.hub-graph svg { width: 100%; height: 100%; }
.hub-graph .ring { fill: none; stroke: rgba(255, 255, 255, .1); stroke-dasharray: 3 6; }
.hub-graph .link { stroke: rgba(201, 154, 63, .55); stroke-width: 1.4; stroke-dasharray: 5 5; }
.hub-graph .node { fill: #fff; }
.hub-graph .node-hub { fill: #e8453c; }
.hub-graph text { fill: rgba(255, 255, 255, .82); font-size: 11px; font-family: var(--font); }
.map-fallback__note {
  position: absolute; right: 18px; bottom: 18px; max-width: 260px;
  font-size: .72rem; color: rgba(255, 255, 255, .45); line-height: 1.6; text-align: right;
}

/* —— 荣誉 / 领导关怀网格 —— */
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 900px) { .honor-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .honor-grid { grid-template-columns: 1fr; } }
.honor-card {
  padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: #fff;
  display: flex; gap: 13px; align-items: flex-start; transition: all .18s ease;
}
.honor-card:hover { border-color: transparent; box-shadow: var(--shadow); transform: translateY(-2px); }
.honor-card svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.honor-card b { display: block; font-size: .93rem; font-weight: 600; margin-bottom: 4px; }
.honor-card span { font-size: .8rem; color: var(--text-soft); }

.photo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 840px) { .photo-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .photo-grid { grid-template-columns: 1fr; } }

/* 当前栏目高亮（含下拉父项） */
.nav__item.is-active > .nav__link { color: var(--brand-700); font-weight: 600; }
.nav__item.is-active > .nav__link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 2px; height: 2px;
  background: var(--accent); border-radius: 2px;
}
@media (max-width: 960px) {
  .nav__item.is-active > .nav__link::after { display: none; }
  .nav__item.is-active > .nav__link { background: var(--brand-50); }
}

/* —— 视频块 —— */
.video-box { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: #0d1b2a; }
.video-box video { width: 100%; height: 100%; display: block; object-fit: cover; }
.video-box--16x9 { aspect-ratio: 16 / 9; }
.video-caption {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
  padding: 26px 20px 14px;
  background: linear-gradient(transparent, rgba(8, 15, 24, .8));
  color: rgba(255, 255, 255, .86); font-size: .8rem; letter-spacing: .02em;
  display: flex; align-items: center; gap: 8px;
}
.video-caption i {
  width: 6px; height: 6px; border-radius: 50%; background: #e8453c; display: inline-block;
  box-shadow: 0 0 0 3px rgba(232, 69, 60, .25);
}
.hero__media--video .video-caption { font-size: .78rem; }

/* —— 办公环境 —— */
.office-card { padding: 0; overflow: hidden; }
.office-card__media { aspect-ratio: 4 / 3; background: #e9edf2; overflow: hidden; }
.office-card__media img { width: 100%; height: 100%; object-fit: cover; }
.office-card__body { padding: 22px 24px 24px; }
.office-meta { display: grid; gap: 8px; margin-top: 14px; font-size: .86rem; color: var(--text-soft); }
.office-meta div { display: flex; gap: 8px; }
.office-meta b { color: var(--ink-700); font-weight: 600; flex-shrink: 0; }

/* —— 企业文化：配图 + 原则 —— */
.culture-layout {
  display: grid;
  grid-template-columns: minmax(260px, 380px) 1fr;
  gap: 36px;
  align-items: start;
}
.culture-photo {
  margin: 0; position: relative; overflow: hidden;
  border-radius: var(--radius-lg); background: var(--brand-900);
  box-shadow: var(--shadow); cursor: zoom-in;
}
.culture-photo img {
  width: 100%; aspect-ratio: 4 / 5; display: block;
  object-fit: cover; object-position: center 40%;
  transition: transform .55s ease;
}
.culture-photo:hover img { transform: scale(1.035); }
.culture-photo__cap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 48px 22px 20px;
  background: linear-gradient(transparent, rgba(8, 15, 24, .88));
  color: rgba(255, 255, 255, .82); font-size: .82rem; line-height: 1.62;
}
.culture-photo__cap b {
  display: block; color: #fff; font-size: .92rem;
  letter-spacing: .05em; margin-bottom: 5px;
}
.culture-cards { gap: 18px; }
.culture-cards .card { padding: 24px 24px 26px; }

@media (max-width: 900px) {
  .culture-layout { grid-template-columns: 1fr; gap: 26px; }
  .culture-photo img { aspect-ratio: 3 / 4; object-position: center 38%; max-height: 520px; }
}
@media (max-width: 640px) {
  .culture-cards { grid-template-columns: 1fr; }
}

/* —— 页脚：内容管理入口（低调） —— */
.footer-bottom .admin-entry { opacity: .55; }
.footer-bottom .admin-entry:hover { opacity: 1; }

/* —— 公司简介页头：左文右图（客户分布） —— */
.page-head--split { padding: 56px 0 52px; }
.page-head__grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(330px, 430px);
  gap: 56px; align-items: center;
}
.page-head__text .h1 { margin: 14px 0 16px; }

.mapcard {
  position: relative; margin: 0; padding: 20px 22px 14px;
  background: linear-gradient(180deg, #fff, #fbfdff);
  border: 1px solid var(--ink-100); border-radius: 18px;
  box-shadow: 0 18px 42px -22px rgba(11, 31, 51, .28), 0 2px 6px rgba(11, 31, 51, .04);
}
.mapcard__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.mapcard__kicker {
  font-size: .82rem; font-weight: 700; color: var(--brand-800); letter-spacing: .12em;
}
.mapcard__tag {
  font-size: .68rem; letter-spacing: .14em; color: var(--brand-600);
  background: var(--brand-50); border: 1px solid var(--brand-100);
  padding: 3px 9px; border-radius: 999px;
}
.mapcard__svg { display: block; width: 100%; height: auto; margin: 4px 0 2px; }

.mapcard__coast {
  fill: none; stroke: var(--brand-700); stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round;
}
.mapcard__river {
  fill: none; stroke: url(#clDash); stroke-width: 2;
  stroke-linecap: round; stroke-dasharray: 5 5; opacity: .85;
}
.mapcard__dot { fill: var(--brand-600); stroke: #fff; stroke-width: 1.6; }
.mapcard__dot.is-base { fill: var(--accent); stroke: #fff; stroke-width: 2; }
.mapcard__halo {
  fill: none; stroke: var(--accent); stroke-width: 1.2; opacity: .35;
  animation: mapPulse 3.2s ease-out infinite;
}
@keyframes mapPulse {
  0%   { r: 7;  opacity: .55; }
  70%  { r: 15; opacity: 0; }
  100% { r: 15; opacity: 0; }
}
.mapcard__label {
  font-size: 11px; fill: var(--ink-700); font-weight: 500;
  paint-order: stroke; stroke: #fff; stroke-width: 2.6; stroke-linejoin: round;
}
.mapcard__label.is-base { fill: #a97c22; font-weight: 700; }

.mapcard__foot {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding-top: 10px; border-top: 1px solid var(--ink-100);
  font-size: .76rem; color: var(--ink-500);
}
.mapcard__foot span { display: inline-flex; align-items: center; gap: 6px; }
.mapcard__key { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-600); display: inline-block; }
.mapcard__key.is-base { background: var(--accent); }
.mapcard__note { margin: 8px 0 0; font-size: .7rem; color: var(--ink-400); }

@media (max-width: 900px) {
  .page-head__grid { grid-template-columns: 1fr; gap: 30px; }
  .mapcard { max-width: 520px; }
}
@media (max-width: 640px) {
  .page-head--split { padding: 40px 0 36px; }
  .mapcard { padding: 16px 16px 12px; border-radius: 16px; }
}
.mapcard__water {
  font-size: 10.5px; fill: #a8bccd; letter-spacing: .3em; font-weight: 500;
}
.mapcard__compass text { font-size: 8px; fill: #b3c0cc; letter-spacing: .1em; }
.mapcard__land { fill: url(#landFade); stroke: none; }

/* —— 实船影像 —— */
.reel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.reel {
  margin: 0; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 10px 26px -20px rgba(11, 31, 51, .35);
}
.reel__media { position: relative; background: var(--brand-900); aspect-ratio: 16 / 9; }
.reel__media video { width: 100%; height: 100%; object-fit: cover; display: block; }
.reel figcaption { padding: 14px 16px 16px; }
.reel figcaption b { display: block; font-size: .95rem; color: var(--ink-900); }
.reel figcaption span { display: block; margin-top: 5px; font-size: .82rem; color: var(--text-soft); line-height: 1.6; }
@media (max-width: 900px) { .reel-grid { grid-template-columns: 1fr; gap: 16px; } }

/* —— 实船影像：两图并排 / 图片灯箱 —— */
.reel-grid--2 { grid-template-columns: repeat(2, 1fr); gap: 26px; }
.reel-grid--1 { grid-template-columns: 1fr; max-width: 720px; }
.reel__media--photo {
  display: block; aspect-ratio: 4 / 3; overflow: hidden; cursor: zoom-in;
}
.reel__media--photo img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .6s ease;
}
.reel__media--photo:hover img { transform: scale(1.035); }
.reel__media--video { aspect-ratio: 16 / 9; }
.reel-note {
  margin: 14px 0 0; font-size: .78rem; color: var(--text-soft); text-align: right;
}
@media (max-width: 900px) {
  .reel-grid--2 { grid-template-columns: 1fr; gap: 18px; }
}

/* —— 无障碍：视觉隐藏但保留给读屏与搜索 —— */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* —— 页脚版本号 —— */
.site-ver {
  font-size: .72rem;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .34);
  padding: 2px 7px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  white-space: nowrap;
}

/* —— 公司简介：去掉大标题后，开场句升为导语级文字，避免左栏发空 —— */
.page-head__text .lead {
  font-size: clamp(1.08rem, 1.6vw, 1.34rem);
  line-height: 1.8;
  color: var(--ink-700);
}

/* ==========================================================================
   四地办公（about.html#places）
   ========================================================================== */
.places {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
}
.place {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform .35s cubic-bezier(.2,.7,.3,1), box-shadow .35s;
}
.place:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.place__ph { aspect-ratio: 16 / 10; overflow: hidden; background: var(--ink-100); }
.place__ph img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s; }
.place:hover .place__ph img { transform: scale(1.03); }
.place__body { padding: 26px 28px 28px; }
.place__tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--brand-700);
  background: var(--brand-100);
  border-radius: 999px;
  padding: 4px 11px;
}
.place__tag--gold { color: #8a6417; background: var(--accent-soft); }
.place__city {
  font-size: 1.42rem;
  font-weight: 700;
  letter-spacing: .04em;
  margin: 14px 0 6px;
  color: var(--brand-900);
}
.place__addr {
  font-size: .9rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}
.place__body > p:not(.place__addr) { font-size: .94rem; color: var(--ink-500); line-height: 1.8; }
.place__meta {
  display: flex;
  gap: 18px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: .8rem;
  color: var(--ink-400);
}
.place--studio {
  background: linear-gradient(145deg, var(--brand-900), var(--brand-800) 60%, #17456f);
  border-color: transparent;
}
.place--studio .place__city { color: #fff; }
.place--studio .place__addr { color: var(--accent); }
.place--studio .place__body > p:not(.place__addr) { color: rgba(255, 255, 255, .68); }
.place--studio .place__body { padding: 34px 30px 36px; min-height: 260px; display: flex; flex-direction: column; justify-content: center; }

@media (max-width: 860px) {
  .places { grid-template-columns: 1fr; gap: 18px; }
}

/* ==========================================================================
   荣誉资质：证书卡片
   ========================================================================== */
.cert-grid { display: grid; gap: 22px; }
.cert-grid--main { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cert-grid--tri { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cert-grid--duo { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cert {
  margin: 0;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.cert__ph { background: #f3f1ec; padding: 16px; display: flex; align-items: center; justify-content: center; }
.cert__ph img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: contain;
  filter: drop-shadow(0 2px 6px rgba(16, 22, 29, .12));
}
.cert--wide .cert__ph img { max-height: 480px; }
.cert--tall .cert__ph img { max-height: 520px; }
.cert figcaption { padding: 16px 18px 18px; border-top: 1px solid var(--line); }
.cert figcaption b { display: block; font-size: .98rem; color: var(--ink-900); margin-bottom: 4px; }
.cert figcaption span { font-size: .82rem; color: var(--ink-400); line-height: 1.6; }
.photo-grid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.photo-grid--5 .gallery-item { aspect-ratio: 3 / 4; background: #f3f1ec; }
.photo-grid--5 .gallery-item img { width: 100%; height: 100%; object-fit: contain; padding: 8px; }

@media (max-width: 900px) {
  .cert-grid--main { grid-template-columns: 1fr; }
  .cert-grid--tri { grid-template-columns: 1fr; }
  .photo-grid--5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .cert-grid--duo { grid-template-columns: 1fr; }
  .photo-grid--5 { grid-template-columns: 1fr 1fr; }
}

/* ==========================================================================
   总布置图（business.html#ga）
   ========================================================================== */
.ga-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}
.ga-card {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  box-shadow: var(--shadow-sm);
}
.ga-card__ph { padding: 14px; background: #fbfaf7; }
.ga-card__ph img { width: 100%; height: auto; display: block; }
.ga-card figcaption {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 16px 14px;
  border-top: 1px solid var(--line);
}
.ga-card figcaption b { font-size: .92rem; color: var(--ink-900); }
.ga-card figcaption span { font-size: .78rem; color: var(--ink-400); }
@media (max-width: 760px) { .ga-grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   工法研究（business.html#method）
   ========================================================================== */
.method-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.method-stats > div { background: var(--brand-900); padding: 26px 22px; }
.method-stats b {
  display: block;
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  font-weight: 700;
  color: #fff;
  line-height: 1;
  letter-spacing: -.01em;
}
.method-stats b i { font-style: normal; font-size: .52em; color: var(--accent); margin-left: 3px; }
.method-stats span { display: block; margin-top: 10px; font-size: .82rem; color: rgba(255, 255, 255, .58); }

.method-flow { list-style: none; counter-reset: mf; margin: 26px 0 0; padding: 0; }
.method-flow li {
  position: relative;
  counter-increment: mf;
  padding: 0 0 20px 46px;
  border-left: 1px solid var(--line);
  margin-left: 14px;
}
.method-flow li:last-child { border-left-color: transparent; padding-bottom: 0; }
.method-flow li::before {
  content: counter(mf, decimal-leading-zero);
  position: absolute;
  left: -15px;
  top: -2px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--brand-800);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.method-flow b { display: block; font-size: .98rem; color: var(--ink-900); margin-bottom: 4px; }
.method-flow span { font-size: .9rem; color: var(--ink-500); line-height: 1.7; }

.method-strip-wrap { margin-top: 52px; }
.method-strip__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.method-strip__nav { display: flex; gap: 8px; }
.strip-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--brand-800);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  transition: all .2s;
}
.strip-btn:hover { background: var(--brand-800); color: #fff; border-color: var(--brand-800); }
.method-strip {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 4px 4px 18px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.method-strip figure {
  flex: 0 0 clamp(260px, 34vw, 380px);
  margin: 0;
  scroll-snap-align: start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
}
.method-strip img { width: 100%; height: 200px; object-fit: contain; background: #fbfaf7; padding: 8px; display: block; }
.method-strip figcaption { padding: 10px 14px 14px; border-top: 1px solid var(--line); }
.method-strip figcaption b { display: block; font-size: .88rem; color: var(--ink-900); }
.method-strip figcaption span { font-size: .76rem; color: var(--ink-400); }

@media (max-width: 900px) {
  .method-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* 工作室卡片：标签不要被 flex 拉满整行 */
.place--studio .place__body { align-items: flex-start; }
.place--studio .place__tag { align-self: flex-start; }

/* 总布置图：统一画幅，避免四张卡片高度参差 */
.ga-card__ph { aspect-ratio: 2.2 / 1; display: flex; align-items: center; justify-content: center; }
.ga-card__ph img { width: 100%; height: 100%; object-fit: contain; }

/* 数字条里的 <b><span data-count> 曾被子级 span 字号规则压成正文大小 */
.stats-strip b span { font-size: inherit; color: inherit; letter-spacing: inherit; }

/* —— 移动端：简介页地图卡曾把整页撑宽 —— */
.page-head__grid { min-width: 0; }
.page-head__grid > * { min-width: 0; }
.mapcard { max-width: 100%; }
.mapcard__svg { width: 100%; height: auto; display: block; }
@media (max-width: 640px) {
  .mapcard { max-width: 100%; }
  .facts .k { width: 82px; }
  .facts .v { font-size: .9rem; }
}

/* 联系方式可点击：电话拨号、邮箱唤起客户端 */
.contact-line .v a { color: inherit; text-decoration: none; border-bottom: 1px solid rgba(13, 45, 74, .22); transition: color .2s, border-color .2s; }
.contact-line .v a:hover { color: var(--brand-700); border-bottom-color: currentColor; }

/* —— 产品开发 · 船模试验视频（竖屏，440×584） —— */
.testvideo {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 56px;
  align-items: center;
  margin: 0 0 56px;
}
.testvideo__text { min-width: 0; }
.testvideo__facts { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.testvideo__facts li { display: flex; gap: 12px; font-size: .92rem; line-height: 1.6; color: var(--ink-500); }
.testvideo__facts li b { flex: none; width: 68px; color: var(--ink-900); font-weight: 600; }
.testvideo__media {
  margin: 0;
  width: 100%;
  max-width: 300px;
  justify-self: end;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #08151f;
  box-shadow: var(--shadow-lg);
}
.testvideo__frame { position: relative; }
.testvideo__media video { display: block; width: 100%; height: auto; background: #08151f; cursor: pointer; }
.testvideo__play {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 58px;
  height: 58px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--brand-900);
  background: rgba(255, 255, 255, .93);
  box-shadow: 0 6px 22px rgba(0, 0, 0, .28);
  cursor: pointer;
  transition: opacity .2s, transform .2s;
}
.testvideo__play svg { width: 24px; height: 24px; margin-left: 3px; }
.testvideo__play:hover { transform: translate(-50%, -50%) scale(1.07); }
.testvideo__media.is-playing .testvideo__play { opacity: 0; pointer-events: none; }
.testvideo__cap { padding: 13px 16px 15px; background: var(--brand-900); }
.testvideo__cap b { display: block; font-size: .85rem; font-weight: 600; color: #fff; letter-spacing: .01em; }
.testvideo__cap span { display: block; margin-top: 3px; font-size: .74rem; color: rgba(255, 255, 255, .55); }

@media (max-width: 900px) {
  .testvideo { grid-template-columns: 1fr; gap: 28px; margin-bottom: 44px; }
  .testvideo__media { justify-self: start; max-width: 300px; }
}

/* 标题折行更均衡，避免末行只剩一两个字 */
.h1, .h2 { text-wrap: balance; }

/* —— 发展历程：年份 + 节点 + 配图（关于页首段） —— */
section[id] { scroll-margin-top: calc(var(--header-h) + 12px); }

.story { border-top: 1px solid var(--line); }
.story__row {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr) 272px;
  gap: 40px;
  align-items: start;
  padding: 38px 0;
  border-bottom: 1px solid var(--line);
}
.story__year b {
  display: block; font-family: var(--mono); font-size: 1.9rem; font-weight: 600;
  line-height: 1; letter-spacing: -.02em; color: var(--brand-800);
}
.story__year span {
  display: block; margin-top: 9px; font-size: .72rem; font-weight: 600;
  letter-spacing: .18em; color: var(--accent);
}
.story__body { display: grid; gap: 22px; }
.story__item { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 14px; }
.story__date {
  font-family: var(--mono); font-size: .8rem; color: var(--ink-500);
  letter-spacing: .02em; padding-top: 3px; white-space: nowrap;
}
.story__item h3 { font-size: 1.02rem; margin: 0 0 6px; letter-spacing: -.005em; }
.story__item p { margin: 0; font-size: .9rem; line-height: 1.7; color: var(--text-soft); }
.story__ph { margin: 0; }
.story__ph img {
  display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius); background: var(--paper);
}
.story__ph.is-doc img {
  object-fit: contain; padding: 14px; border: 1px solid var(--line); background: var(--paper);
}
.story__ph.is-doc img { aspect-ratio: 3 / 4; }
.story__ph figcaption { margin-top: 9px; font-size: .74rem; color: var(--ink-400); }

@media (max-width: 1000px) {
  .story__row { grid-template-columns: 88px minmax(0, 1fr); gap: 28px; }
  .story__ph { grid-column: 2; max-width: 420px; }
  .story__ph img { aspect-ratio: 16 / 9; }
  .story__ph.is-doc { max-width: 240px; }
}
@media (max-width: 640px) {
  .story__row { grid-template-columns: 1fr; gap: 18px; padding: 30px 0; }
  .story__year { display: flex; align-items: baseline; gap: 12px; }
  .story__year span { margin-top: 0; }
  .story__ph { grid-column: 1; max-width: none; }
  .story__ph.is-doc { grid-column: 1; max-width: 220px; }
  .story__item { grid-template-columns: 46px minmax(0, 1fr); gap: 10px; }
}

/* —— 办公布局：四地清单 —— */
.facts--offices .k { width: 132px; }
.facts--offices .v { font-size: .92rem; line-height: 1.6; }

/* 辐射圈标记（上海 / 舟山）：只表示点位与辐射，不画连线 */
.hub-graph .ripple { fill: none; stroke: rgba(201, 154, 63, .55); stroke-width: 1.1; }
.hub-graph .node-site { fill: #c99a3f; }
.map-legend { max-width: calc(100% - 40px); row-gap: 6px; }
.map-legend .ripple i {
  background: transparent; width: 9px; height: 9px;
  border: 1.5px solid var(--accent); box-shadow: 0 0 0 3px rgba(201, 154, 63, .18);
}

@media (max-width: 900px) {
  .facts--offices .k { width: 118px; }
}
@media (max-width: 560px) {
  .facts--offices li { flex-direction: column; gap: 4px; }
  .facts--offices .k { width: auto; }
}