/* ============================================================
   中科融合算力网 · 官网 Demo 设计系统
   tech-dark / 深空科研蓝 · 零外部依赖 · 离线可开
   ============================================================ */

/* ---------- tokens ---------- */
:root {
  --bg: #070B16;
  --bg-soft: #0A101F;
  --surface: #0E1628;
  --surface-2: #121C33;
  --border: rgba(120, 160, 255, 0.14);
  --border-strong: rgba(120, 160, 255, 0.30);
  --text: #E9EFFB;
  --text-sub: #8FA3C7;
  --text-faint: #5E7196;
  --primary: #4D9FFF;
  --primary-strong: #8CC2FF;
  --primary-dim: rgba(77, 159, 255, 0.13);
  --amber: #F5C04E;
  --amber-dim: rgba(245, 192, 78, 0.12);
  --green: #3DD68C;
  --green-dim: rgba(61, 214, 140, 0.12);
  --red: #F06060;
  --red-dim: rgba(240, 96, 96, 0.12);
  --font-body: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --radius: 10px;
  --radius-lg: 16px;
  --nav-h: 72px;
  --shadow: 0 8px 32px rgba(2, 6, 18, 0.5);
}

/* ---------- reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font: 400 15px/1.75 var(--font-body);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button { font-family: inherit; cursor: pointer; }

/* ---------- 背景氛围层 ---------- */
.bg-fx {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 520px at 72% -8%, rgba(77, 159, 255, 0.16), transparent 62%),
    radial-gradient(720px 420px at 6% 14%, rgba(77, 159, 255, 0.07), transparent 55%),
    radial-gradient(600px 400px at 90% 86%, rgba(245, 192, 78, 0.04), transparent 60%),
    linear-gradient(rgba(120, 160, 255, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 255, 0.032) 1px, transparent 1px);
  background-size: auto, auto, auto, 44px 44px, 44px 44px;
}

/* ============================================================
   App Shell · header
   ============================================================ */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(7, 11, 22, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; height: 100%; margin: 0 auto;
  padding: 0 24px;
  display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: center; gap: 10px; flex: none; }
.brand-mark { width: 30px; height: 30px; }
/* 网站名称「中科融合算力网·个人算力网」大字展示 */
.brand-name { font-weight: 800; font-size: 21px; letter-spacing: 0.01em; line-height: 1.2; white-space: nowrap; }
.brand-name small {
  display: block; font-family: var(--font-mono); font-weight: 400;
  font-size: 9px; letter-spacing: 0.22em; color: var(--text-faint); margin-top: 2px;
}
.nav-links { display: flex; gap: 4px; flex: 1; justify-content: center; }
.nav-links a {
  position: relative; padding: 8px 14px; border-radius: 8px;
  font-size: 14px; color: var(--text-sub); transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: rgba(120, 160, 255, 0.07); }
.nav-actions { display: flex; gap: 10px; flex: none; }

/* active 唯一规则：由 body[data-page] 匹配 data-nav，纯 CSS */
body[data-page="home"]     .nav-links a[data-nav="home"],
body[data-page="market"]   .nav-links a[data-nav="market"],
body[data-page="models"]   .nav-links a[data-nav="models"],
body[data-page="solutions"] .nav-links a[data-nav="solutions"],
body[data-page="platform"] .nav-links a[data-nav="platform"],
body[data-page="network"]  .nav-links a[data-nav="network"],
body[data-page="centers"]  .nav-links a[data-nav="centers"],
body[data-page="apply"]    .nav-links a[data-nav="apply"],
body[data-page="tokenpack"] .nav-links a[data-nav="tokenpack"],
body[data-page="datasets"] .nav-links a[data-nav="datasets"],
body[data-page="mission"]  .nav-links a[data-nav="mission"],
body[data-page="guide"]    .nav-links a[data-nav="guide"] {
  color: var(--primary-strong);
  background: var(--primary-dim);
}
body[data-page="home"]     .nav-links a[data-nav="home"]::after,
body[data-page="market"]   .nav-links a[data-nav="market"]::after,
body[data-page="models"]   .nav-links a[data-nav="models"]::after,
body[data-page="solutions"] .nav-links a[data-nav="solutions"]::after,
body[data-page="platform"] .nav-links a[data-nav="platform"]::after,
body[data-page="network"]  .nav-links a[data-nav="network"]::after,
body[data-page="centers"]  .nav-links a[data-nav="centers"]::after,
body[data-page="apply"]    .nav-links a[data-nav="apply"]::after,
body[data-page="tokenpack"] .nav-links a[data-nav="tokenpack"]::after,
body[data-page="datasets"] .nav-links a[data-nav="datasets"]::after,
body[data-page="mission"]  .nav-links a[data-nav="mission"]::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px;
  height: 2px; border-radius: 2px; background: var(--primary);
}

/* ============================================================
   App Shell · footer
   ============================================================ */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-soft); margin-top: 96px; }
.footer-grid {
  max-width: 1200px; margin: 0 auto; padding: 56px 24px 40px;
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
}
.footer-desc { color: var(--text-sub); font-size: 13px; line-height: 1.8; margin: 16px 0 12px; max-width: 320px; }
.footer-contact { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); }
.footer-contact b { color: var(--text-sub); font-weight: 500; }
.footer-col h4 {
  font-size: 13px; font-weight: 600; color: var(--text);
  margin-bottom: 14px; letter-spacing: 0.05em;
}
.footer-col a, .footer-col span {
  display: block; font-size: 13px; color: var(--text-sub);
  padding: 4px 0; transition: color 0.2s;
}
.footer-col a:hover { color: var(--primary-strong); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 24px;
}
.footer-bottom > div {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
}
.footer-bottom span { font-size: 12px; color: var(--text-faint); }
.footer-bottom .mono { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; }

/* ============================================================
   布局
   ============================================================ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0 0; }
.section-tight { padding: 48px 0 0; }
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================================
   排版组件
   ============================================================ */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.24em;
  color: var(--primary); text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--primary); }
.section-head { margin-bottom: 36px; }
.section-head h2 {
  font-size: 30px; font-weight: 700; letter-spacing: 0.01em;
  margin: 10px 0 8px; line-height: 1.35;
}
.section-desc { color: var(--text-sub); font-size: 15px; max-width: 640px; }
.lead { color: var(--text-sub); font-size: 16px; line-height: 1.9; }
.mono { font-family: var(--font-mono); }
.dim { color: var(--text-sub); }
.amber-t { color: var(--amber); }
.green-t { color: var(--green); }
.red-t { color: var(--red); }
.blue-t { color: var(--primary-strong); }

/* ============================================================
   通用组件
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; border-radius: var(--radius);
  font-size: 14px; font-weight: 500; border: 1px solid transparent;
  transition: all 0.2s; white-space: nowrap;
}
.btn-primary {
  background: var(--primary); color: #04101F; font-weight: 600;
}
.btn-primary:hover { background: var(--primary-strong); transform: translateY(-1px); }
.btn-ghost {
  border-color: var(--border-strong); color: var(--text);
  background: rgba(120, 160, 255, 0.04);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary-strong); background: var(--primary-dim); }
.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: 8px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; transform: none !important; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.25s, transform 0.25s, background 0.25s;
}
.card-hover:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
  transform: translateY(-2px);
}
.card-pad { padding: 24px; }

.tag {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 500; letter-spacing: 0.04em;
  padding: 3px 9px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-sub);
  background: rgba(120, 160, 255, 0.05);
  white-space: nowrap;
}
.tag-blue { border-color: rgba(77, 159, 255, 0.4); color: var(--primary-strong); background: var(--primary-dim); }
.tag-amber { border-color: rgba(245, 192, 78, 0.4); color: var(--amber); background: var(--amber-dim); }
.tag-green { border-color: rgba(61, 214, 140, 0.4); color: var(--green); background: var(--green-dim); }
.tag-red { border-color: rgba(240, 96, 96, 0.4); color: var(--red); background: var(--red-dim); }

/* 价格 */
.price-row { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.price { font-family: var(--font-mono); font-size: 24px; font-weight: 600; color: var(--text); }
.price-idle { font-family: var(--font-mono); font-size: 15px; font-weight: 500; color: var(--amber); }
.price-strike { font-family: var(--font-mono); font-size: 13px; color: var(--text-faint); text-decoration: line-through; }
.unit { font-size: 12px; color: var(--text-faint); }

/* 信任条 stat */
.stat-num {
  font-family: var(--font-mono); font-size: 30px; font-weight: 600;
  line-height: 1.2; color: var(--text);
}
.stat-num em { font-style: normal; color: var(--primary-strong); }
.stat-label { font-size: 13px; color: var(--text-sub); margin-top: 4px; }
.stat-sub { font-size: 11px; color: var(--text-faint); margin-top: 2px; font-family: var(--font-mono); }

/* 数据表 */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
table.data { width: 100%; border-collapse: collapse; min-width: 720px; }
table.data th {
  text-align: left; font-size: 12px; font-weight: 500; color: var(--text-faint);
  letter-spacing: 0.08em; padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft); white-space: nowrap;
}
table.data td {
  padding: 14px 18px; font-size: 14px;
  border-bottom: 1px solid rgba(120, 160, 255, 0.07);
  white-space: nowrap;
}
table.data tr:last-child td { border-bottom: none; }
table.data tbody tr { transition: background 0.15s; }
table.data tbody tr:hover { background: rgba(120, 160, 255, 0.04); }
table.data .num { font-family: var(--font-mono); font-size: 13px; }

/* 规格键值行 */
.spec-list { display: flex; flex-direction: column; gap: 8px; }
.spec-row {
  display: flex; justify-content: space-between; gap: 16px;
  font-size: 12.5px; padding: 6px 0;
  border-bottom: 1px dashed rgba(120, 160, 255, 0.09);
}
.spec-row:last-child { border-bottom: none; }
.spec-row .k { color: var(--text-faint); flex: none; }
.spec-row .v { font-family: var(--font-mono); font-size: 12px; color: var(--text-sub); text-align: right; }

/* 筛选 tabs */
.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.tab {
  padding: 8px 18px; border-radius: 999px; font-size: 13.5px;
  border: 1px solid var(--border); color: var(--text-sub);
  background: transparent; transition: all 0.2s;
}
.tab:hover { border-color: var(--border-strong); color: var(--text); }
.tab.active {
  border-color: var(--primary); color: var(--primary-strong);
  background: var(--primary-dim); font-weight: 500;
}
.tab .num { font-family: var(--font-mono); font-size: 11px; opacity: 0.7; margin-left: 4px; }

/* 空状态 / 骨架 */
.empty {
  padding: 64px 24px; text-align: center; color: var(--text-faint);
  border: 1px dashed var(--border); border-radius: var(--radius-lg);
  font-size: 14px;
}
.skeleton {
  border-radius: var(--radius-lg); background: var(--surface);
  border: 1px solid var(--border);
  height: 320px; position: relative; overflow: hidden;
}
.skeleton::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(120, 160, 255, 0.07), transparent);
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* 时间轴 */
.timeline { position: relative; padding-left: 28px; }
.timeline::before {
  content: ""; position: absolute; left: 7px; top: 8px; bottom: 8px;
  width: 2px; background: linear-gradient(var(--border-strong), var(--border));
  border-radius: 2px;
}
.tl-item { position: relative; padding: 0 0 32px 20px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-dot {
  position: absolute; left: -28px; top: 7px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--surface); border: 2px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(77, 159, 255, 0.12);
}
.tl-item.tl-focus .tl-dot { border-color: var(--amber); box-shadow: 0 0 0 4px var(--amber-dim); }
.tl-date { font-family: var(--font-mono); font-size: 12px; color: var(--primary); letter-spacing: 0.08em; }
.tl-item.tl-focus .tl-date { color: var(--amber); }
.tl-title { font-size: 16px; font-weight: 600; margin: 4px 0; }
.tl-desc { font-size: 13.5px; color: var(--text-sub); max-width: 620px; }

/* 步骤流 */
.flow-steps { display: flex; align-items: stretch; gap: 0; flex-wrap: wrap; }
.flow-step {
  flex: 1; min-width: 150px; position: relative;
  padding: 16px 18px 16px 22px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); margin-right: 28px; margin-bottom: 12px;
}
.flow-step::after {
  content: ""; position: absolute; right: -20px; top: 50%;
  width: 12px; height: 12px; margin-top: -6px;
  border-top: 2px solid var(--text-faint); border-right: 2px solid var(--text-faint);
  transform: rotate(45deg); opacity: 0.6;
}
.flow-step:last-child::after { display: none; }
.flow-step:last-child { margin-right: 0; }
.step-num {
  font-family: var(--font-mono); font-size: 11px; color: var(--primary);
  letter-spacing: 0.15em; display: block; margin-bottom: 4px;
}
.flow-step h5 { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.flow-step p { font-size: 12px; color: var(--text-sub); line-height: 1.7; }

/* 评分条 */
.score-bar { height: 5px; border-radius: 3px; background: rgba(120, 160, 255, 0.1); overflow: hidden; min-width: 64px; }
.score-bar i { display: block; height: 100%; border-radius: 3px; background: var(--primary); }

/* 地图面板 */
.map-panel {
  position: relative; border: 1px solid var(--border); border-radius: var(--radius-lg);
  background:
    radial-gradient(500px 300px at 60% 40%, rgba(77, 159, 255, 0.07), transparent 65%),
    linear-gradient(rgba(120, 160, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 255, 0.04) 1px, transparent 1px),
    var(--bg-soft);
  background-size: auto, 36px 36px, 36px 36px, auto;
  overflow: hidden;
}
.map-node { cursor: default; }
.map-node circle { transition: r 0.2s; }
.map-node:hover circle { filter: brightness(1.25); }

/* ============================================================
   首页专属
   ============================================================ */
.hero { padding: 96px 0 64px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: center; }
.hero h1 {
  font-size: 52px; font-weight: 700; line-height: 1.28;
  letter-spacing: 0.01em; margin: 18px 0 20px;
}
.hero h1 .accent { color: var(--primary-strong); }
.hero h1 .sep { color: var(--text-faint); font-weight: 300; margin: 0 6px; }
.hero-sub { color: var(--text-sub); font-size: 16.5px; line-height: 2; max-width: 560px; }
.hero-sub b { color: var(--text); font-weight: 500; }
.hero-cta { display: flex; gap: 14px; margin-top: 34px; }
.hero-note {
  margin-top: 18px; font-family: var(--font-mono);
  font-size: 11px; color: var(--text-faint); letter-spacing: 0.06em;
}
/* 信任条 */
.trust-bar {
  margin-top: 56px; border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: rgba(14, 22, 40, 0.6); backdrop-filter: blur(6px);
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.trust-cell { padding: 22px 26px; border-right: 1px solid var(--border); }
.trust-cell:last-child { border-right: none; }

/* 四类算力入口卡 */
.compute-card { position: relative; overflow: hidden; }
.compute-card .cc-icon {
  width: 42px; height: 42px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-dim); color: var(--primary-strong);
  margin-bottom: 16px;
}
.compute-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; }
.compute-card p { font-size: 13px; color: var(--text-sub); line-height: 1.8; min-height: 66px; }
.compute-card .cc-foot { margin-top: 14px; display: flex; justify-content: space-between; align-items: center; }
.cc-price { font-family: var(--font-mono); font-size: 14px; color: var(--text); }
.cc-price .from { font-size: 11px; color: var(--text-faint); margin-right: 4px; }
.cc-arrow { color: var(--text-faint); transition: transform 0.2s, color 0.2s; }
.compute-card:hover .cc-arrow { transform: translateX(4px); color: var(--primary); }

/* 分中心卡片 */
.center-card .map-thumb { height: 150px; margin-bottom: 18px; }

/* 新闻列表 */
.news-row {
  display: flex; align-items: center; gap: 18px;
  padding: 18px 6px; border-bottom: 1px solid rgba(120, 160, 255, 0.08);
  transition: background 0.15s;
}
.news-row:hover { background: rgba(120, 160, 255, 0.03); }
.news-row:last-child { border-bottom: none; }
.news-date { font-family: var(--font-mono); font-size: 12px; color: var(--text-faint); flex: none; width: 88px; }
.news-title { font-size: 14.5px; flex: 1; }
.news-row:hover .news-title { color: var(--primary-strong); }

/* 底部 CTA */
.cta-band {
  border: 1px solid var(--border-strong); border-radius: var(--radius-lg);
  background:
    radial-gradient(600px 200px at 30% 0%, rgba(77, 159, 255, 0.14), transparent 70%),
    var(--surface);
  padding: 48px 48px;
  display: flex; justify-content: space-between; align-items: center; gap: 32px; flex-wrap: wrap;
}
.cta-band h2 { font-size: 26px; font-weight: 700; margin-bottom: 8px; }
.cta-band p { color: var(--text-sub); font-size: 14px; }

/* ============================================================
   页头横幅（内页通用）
   ============================================================ */
.page-hero { padding: 64px 0 40px; }
.page-hero h1 { font-size: 38px; font-weight: 700; margin: 12px 0 10px; letter-spacing: 0.01em; }
.page-hero .lead { max-width: 680px; }

/* ============================================================
   算力市场
   ============================================================ */
.prod-card { display: flex; flex-direction: column; }
.prod-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.prod-name { font-size: 16.5px; font-weight: 600; line-height: 1.4; }
.prod-center { font-size: 12px; color: var(--text-faint); margin-top: 3px; font-family: var(--font-mono); }
.prod-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.prod-card .spec-list { flex: 1; margin-bottom: 16px; }
.prod-foot { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; }

/* ============================================================
   解决方案
   ============================================================ */
.sol-card h3 { font-size: 19px; font-weight: 600; margin: 14px 0 4px; }
.sol-card .sol-en { font-family: var(--font-mono); font-size: 10.5px; color: var(--text-faint); letter-spacing: 0.2em; text-transform: uppercase; }
.sol-card p { font-size: 13.5px; color: var(--text-sub); line-height: 1.85; margin-top: 10px; }
.sol-link {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 16px;
  font-size: 13px; color: var(--primary); font-weight: 500;
}
.sol-link:hover { color: var(--primary-strong); }
.sol-icon {
  width: 44px; height: 44px; border-radius: 11px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-dim); color: var(--primary-strong);
}
.group-label {
  display: flex; align-items: center; gap: 14px; margin: 48px 0 24px;
}
.group-label span { font-size: 14px; font-weight: 600; letter-spacing: 0.1em; white-space: nowrap; }
.group-label i { flex: 1; height: 1px; background: var(--border); }

/* ============================================================
   国家使命
   ============================================================ */
.task-card { position: relative; overflow: hidden; }
.task-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: linear-gradient(var(--amber), transparent);
}
.task-card .task-org { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); letter-spacing: 0.14em; }
.task-card h3 { font-size: 18px; font-weight: 600; margin: 10px 0 8px; line-height: 1.5; }
.task-card p { font-size: 13.5px; color: var(--text-sub); line-height: 1.85; }
.task-roles { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.quote-item {
  padding: 18px 20px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); display: flex; gap: 14px; align-items: flex-start;
  transition: border-color 0.2s;
}
.quote-item:hover { border-color: var(--border-strong); }
.quote-item .q-src { font-family: var(--font-mono); font-size: 11px; color: var(--primary); flex: none; padding-top: 2px; }
.quote-item p { font-size: 13px; color: var(--text-sub); line-height: 1.8; }
.quote-item p b { color: var(--text); font-weight: 500; }

/* ============================================================
   平台产品
   ============================================================ */
.plat-card { display: flex; flex-direction: column; gap: 0; }
.plat-icon {
  width: 44px; height: 44px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: var(--primary-dim); color: var(--primary-strong); margin-bottom: 16px;
}
.plat-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.plat-card p { font-size: 13px; color: var(--text-sub); line-height: 1.8; flex: 1; }
.plat-card .plat-features { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 14px; }

/* ============================================================
   动画 · 页面载入 stagger
   ============================================================ */
.reveal {
  opacity: 0; transform: translateY(16px);
  animation: rise 0.7s cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
}
.reveal-d1 { animation-delay: 0.06s; }
.reveal-d2 { animation-delay: 0.14s; }
.reveal-d3 { animation-delay: 0.22s; }
.reveal-d4 { animation-delay: 0.3s; }
.reveal-d5 { animation-delay: 0.38s; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1024px) {
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero h1 { font-size: 42px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .trust-bar { grid-template-columns: repeat(2, 1fr); }
  .trust-cell:nth-child(2) { border-right: none; }
  .trust-cell:nth-child(1), .trust-cell:nth-child(2) { border-bottom: 1px solid var(--border); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-actions .btn-ghost { display: none; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .hero h1 { font-size: 33px; }
  .hero { padding: 56px 0 40px; }
  .section { padding: 52px 0 0; }
  .section-head h2 { font-size: 24px; }
  .page-hero h1 { font-size: 29px; }
  .cta-band { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .trust-bar { grid-template-columns: 1fr; }
  .trust-cell { border-right: none; border-bottom: 1px solid var(--border); }
  .trust-cell:last-child { border-bottom: none; }
  .flow-step { margin-right: 0; min-width: 100%; }
  .flow-step::after { display: none; }
}

/* ============================================================
   客户端后台 console（客户对象：省级调度中心）
   ============================================================ */
.console-topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 16px;
  height: var(--nav-h); padding: 0 28px;
  background: rgba(7, 11, 22, 0.9);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.console-badge {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em;
  color: var(--text-faint); padding: 5px 12px;
  border: 1px solid var(--border); border-radius: 999px; white-space: nowrap;
}
.console-user { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
.console-shell {
  display: grid; grid-template-columns: 224px minmax(0, 1fr); gap: 26px;
  max-width: 1280px; margin: 0 auto; padding: 28px 24px 72px;
}
.console-side { position: sticky; top: calc(var(--nav-h) + 28px); align-self: start; display: flex; flex-direction: column; gap: 6px; }
.cside-label { font-size: 10.5px; color: var(--text-faint); letter-spacing: .14em; margin-bottom: 6px; }
.cside-group { display: flex; align-items: center; justify-content: space-between; gap: 6px; font-size: 10.5px; color: var(--text-faint); letter-spacing: .14em; margin: 14px 12px 6px; font-weight: 600; cursor: pointer; user-select: none; transition: color .2s; }
.cside-group:hover { color: var(--text-sub); }
.cside-group::after { content: ""; width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg); transition: transform .2s; flex: none; margin-right: 2px; }
.cside-group.collapsed::after { transform: rotate(-45deg); }
.cside-item {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 11px 14px; background: none; border: 1px solid transparent;
  border-radius: var(--radius); color: var(--text-sub);
  font: 500 14px/1 var(--font-body); cursor: pointer; text-align: left;
  transition: color .2s, background .2s, border-color .2s;
}
.cside-item:hover { color: var(--text); background: var(--surface); }
.cside-item.active { color: var(--primary-strong); background: var(--primary-dim); border-color: var(--border-strong); }
.cside-foot { margin-top: 18px; padding: 14px; border: 1px dashed var(--border); border-radius: var(--radius); font-size: 12px; color: var(--text-faint); line-height: 1.7; }
.console-main { min-width: 0; }
.cpane { display: none; }
.cpane.active { display: block; animation: cfadeUp .4s ease both; }
@keyframes cfadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.cpane-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.cpane-head h1 { font-size: 24px; font-weight: 700; letter-spacing: .01em; }
.cpane-sub { color: var(--text-sub); font-size: 13.5px; margin-top: 6px; }
.cpane-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.balance-band { display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; }
.balance-num { font-family: var(--font-mono); font-size: 34px; font-weight: 700; color: var(--primary-strong); line-height: 1.25; }
.pkg-card { cursor: pointer; border: 1px solid var(--border); transition: border-color .2s, box-shadow .2s, transform .2s; }
.pkg-card:hover { transform: translateY(-2px); }
.pkg-card.selected { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.code-block {
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.85; color: var(--text-sub);
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px; overflow-x: auto; white-space: pre; margin: 0;
}
/* 管理端 · 零售指导价编辑模式价格输入框 */
.tp-price {
  width: 96px; padding: 6px 9px; background: var(--bg-soft);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--primary-strong); font: 700 13px var(--font-mono); outline: none;
}
.tp-price:focus { border-color: var(--primary); }
/* 管理端 · 资讯信息管理表单输入 */
.an-input { width: 100%; padding: 10px 12px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font: 500 13.5px var(--font-body); outline: none; }
.an-input:focus { border-color: var(--primary); }
.console-toast {
  position: fixed; right: 24px; bottom: 24px; z-index: 99;
  max-width: 360px; padding: 13px 18px;
  background: var(--surface-2); border: 1px solid var(--border-strong);
  border-left: 3px solid var(--green); border-radius: var(--radius);
  box-shadow: var(--shadow); font-size: 13.5px; line-height: 1.6;
  opacity: 0; transform: translateY(8px); pointer-events: none; transition: opacity .3s, transform .3s;
}
.console-toast.show { opacity: 1; transform: none; }
.ep-method { font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: .08em; padding: 3px 9px; border-radius: 6px; flex: none; }
.ep-method.m-post { color: var(--primary-strong); background: var(--primary-dim); }
.ep-method.m-get { color: var(--green); background: var(--green-dim); }
.key-new { animation: cfadeUp .4s ease both; }

@media (max-width: 900px) {
  .console-topbar { padding: 0 16px; gap: 10px; }
  .console-topbar .console-badge { display: none; }
  .console-shell { grid-template-columns: 1fr; padding: 20px 16px 56px; }
  .console-side { position: static; flex-direction: row; flex-wrap: wrap; }
  .cside-label, .cside-group, .cside-foot { display: none; }
  .cside-item { width: auto; }
}