/* =========================================================
   云开娱乐 · 共享样式 /assets/site.css
   堆叠面板 · 悬浮胶囊浮岛 · 深邃夜空蓝 × 荧光青
   ========================================================= */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, blockquote, dl, dd, hr {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

img, svg, video { max-width: 100%; display: block; }

button, input, select, textarea { font: inherit; color: inherit; }

a { color: inherit; text-decoration: none; }

hr { border: 0; }

/* ---------- 2. 设计变量 ---------- */
:root {
  --night: #070B1F;
  --panel: #0E1734;
  --panel-2: #121D42;
  --glass: rgba(255, 255, 255, 0.06);
  --glass-2: rgba(255, 255, 255, 0.1);
  --stroke: rgba(255, 255, 255, 0.12);

  --cyan: #2BE8C8;
  --violet: #7C5CFF;
  --gold: #FFC24B;
  --orange: #FF7A3D;
  --green: #35D07F;
  --red: #FF5C7A;

  --ink: #E9EDF9;
  --ink-2: #9AA6C8;
  --line: #26325A;

  --font-head: 'HarmonyOS Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-num: 'JetBrains Mono', 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --radius-panel: 22px;
  --radius-soft: 16px;
  --radius-pill: 999px;

  --shell-max: 1320px;
  --gutter: clamp(16px, 4vw, 40px);

  --shadow-panel: 0 20px 50px rgba(3, 7, 22, 0.55);
  --shadow-glow: 0 12px 34px rgba(43, 232, 200, 0.24);

  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100%;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--ink-2);
  background-color: var(--night);
  background-image:
    radial-gradient(820px 520px at 8% -10%, rgba(43, 232, 200, 0.13), transparent 60%),
    radial-gradient(760px 520px at 96% 2%, rgba(124, 92, 255, 0.16), transparent 62%),
    linear-gradient(180deg, #070B1F, #0A1030 48%, #070B1F);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  color: var(--ink);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(34px, 5.4vw, 56px); letter-spacing: -0.03em; line-height: 1.08; }
h2 { font-size: clamp(26px, 3.4vw, 40px); letter-spacing: -0.025em; }
h3 { font-size: clamp(20px, 2.2vw, 28px); }
h4 { font-size: 20px; }

strong, b { color: var(--ink); font-weight: 600; }

::selection { background: rgba(43, 232, 200, 0.32); color: #04121A; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.display {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 6.4vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: var(--ink);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: '';
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(43, 232, 200, 0));
}

.lead {
  font-size: clamp(17px, 1.4vw, 19px);
  line-height: 1.8;
  color: var(--ink-2);
  max-width: 42ch;
}

/* ---------- 4. 布局骨架 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { position: relative; padding-block: clamp(48px, 7vw, 96px); }
.section--tight { padding-block: clamp(32px, 4.5vw, 56px); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

.stack { display: grid; gap: clamp(14px, 1.6vw, 22px); }
.stack--lg { gap: clamp(24px, 3vw, 40px); }

/* ---------- 5. 按钮与链接 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), background-color 0.2s var(--ease-out),
              box-shadow 0.2s var(--ease-out), border-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.btn--flux {
  background: linear-gradient(100deg, var(--cyan), #29C9FF 58%, var(--violet));
  color: #04121A;
  box-shadow: var(--shadow-glow);
}

.btn--flux:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(43, 232, 200, 0.34); }

.btn--ghost {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--stroke);
  color: var(--ink);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(43, 232, 200, 0.5);
  transform: translateY(-2px);
}

.btn--gold {
  background: var(--gold);
  color: #231702;
  box-shadow: 0 12px 30px rgba(255, 194, 75, 0.24);
}

.btn--gold:hover { transform: translateY(-2px); }

/* ---------- 6. 头部：悬浮胶囊浮岛 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  background: var(--cyan);
  color: #04121A;
  font-weight: 700;
  transform: translateY(-180%);
  transition: transform 0.22s var(--ease-out);
}

.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  padding: 12px clamp(10px, 2vw, 24px) 0;
  background: linear-gradient(180deg, rgba(7, 11, 31, 0.95) 44%, rgba(7, 11, 31, 0));
}

.header-shell {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.8vw, 26px);
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding: 9px 10px 9px 18px;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-pill);
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.085), rgba(255, 255, 255, 0.032) 46%, rgba(43, 232, 200, 0.075));
  box-shadow: 0 16px 44px rgba(3, 7, 22, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.09);
  transition: background 0.28s var(--ease-out), box-shadow 0.28s var(--ease-out);
}

.site-header.is-pinned .header-shell {
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.115), rgba(255, 255, 255, 0.05) 46%, rgba(43, 232, 200, 0.11));
  box-shadow: 0 20px 50px rgba(3, 7, 22, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.13);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
}

.brand-mark {
  position: relative;
  display: block;
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: conic-gradient(from -90deg, var(--cyan) 0deg 252deg, rgba(255, 255, 255, 0.14) 252deg 360deg);
}

.brand-mark::before {
  content: '';
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: linear-gradient(150deg, #0B1330, #070B1F);
  border: 1px solid rgba(43, 232, 200, 0.26);
}

.brand-mark::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-image: repeating-linear-gradient(45deg, rgba(233, 237, 249, 0.6) 0 1px, transparent 1px 5px);
  -webkit-mask-image: radial-gradient(circle, transparent 43%, #000 45%, #000 100%);
  mask-image: radial-gradient(circle, transparent 43%, #000 45%, #000 100%);
  opacity: 0.34;
}

.brand-text { display: grid; gap: 2px; line-height: 1; }

.brand-name {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.brand-tag {
  font-family: var(--font-num);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0.85;
}

/* 导航 */
.site-nav { margin-inline: auto; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  transition: color 0.2s var(--ease-out), background-color 0.2s var(--ease-out);
}

.nav-link:hover { color: var(--ink); background: rgba(255, 255, 255, 0.08); }

.nav-link[aria-current="page"] {
  color: #04121A;
  font-weight: 700;
  background: linear-gradient(100deg, var(--cyan), #3AD9FF);
  box-shadow: 0 8px 22px rgba(43, 232, 200, 0.28);
}

.nav-foot { display: none; }
.nav-note { margin: 0; font-size: 13px; color: var(--ink-2); }
.nav-cta { width: 100%; }

/* 头部右侧 */
.header-side {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.status-lamp {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: var(--ink-2);
  white-space: nowrap;
}

.lamp {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(53, 208, 127, 0.16);
  animation: lampPulse 2.6s var(--ease-out) infinite;
  flex: 0 0 auto;
}

@keyframes lampPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(53, 208, 127, 0.18); }
  50% { box-shadow: 0 0 0 7px rgba(53, 208, 127, 0.04); }
}

.header-cta { white-space: nowrap; }

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--stroke);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: background-color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.nav-toggle:hover { background: rgba(255, 255, 255, 0.12); border-color: rgba(43, 232, 200, 0.4); }

.nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.24s var(--ease-out), opacity 0.2s var(--ease-out);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 滚动进度轨 */
.scroll-rail {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  display: block;
  pointer-events: none;
}

.scroll-rail-fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 58%, var(--gold));
  transition: transform 0.14s linear;
}

/* ---------- 7. 页脚：沉降堆叠面板 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 140px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(14, 23, 52, 0), var(--panel) 26%, #091027);
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px 26px);
  opacity: 0.6;
}

.site-footer::after {
  content: '';
  position: absolute;
  left: -8%;
  bottom: -150px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 232, 200, 0.14), transparent 66%);
  pointer-events: none;
}

.footer-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding: clamp(44px, 6vw, 84px) var(--gutter) clamp(26px, 4vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 2.1fr);
  gap: clamp(30px, 4vw, 60px);
  align-items: start;
}

.footer-brand { display: grid; gap: 16px; align-content: start; }

.footer-lede {
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-2);
  max-width: 34ch;
}

.footer-contact { display: grid; gap: 10px; }

.contact-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-2);
}

.contact-key {
  flex: 0 0 auto;
  min-width: 68px;
  padding-top: 2px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-note { font-size: 13px; color: var(--ink-2); opacity: 0.85; }

.foot-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 2.6vw, 36px);
}

.foot-col { min-width: 0; }

.foot-title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

.foot-title::after {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  margin-top: 9px;
  background: linear-gradient(90deg, var(--cyan), rgba(43, 232, 200, 0));
}

.foot-list { display: grid; gap: 2px; }

.foot-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  font-size: 15px;
  color: var(--ink-2);
  transition: color 0.18s var(--ease-out), transform 0.18s var(--ease-out);
}

.foot-link:hover { color: var(--cyan); transform: translateX(4px); }

.footer-base {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding: 18px var(--gutter) clamp(28px, 4vw, 40px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 28px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-2);
}

.footer-legal { margin: 0; }
.footer-year { margin: 0; font-family: var(--font-num); letter-spacing: 0.04em; }

/* ---------- 8. 容器组件 ---------- */
.panel {
  position: relative;
  padding: clamp(20px, 2.6vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: linear-gradient(160deg, var(--panel), #0B1330);
}

.panel--plain { border-color: transparent; background: var(--panel); }

.panel--accent {
  border-color: rgba(43, 232, 200, 0.28);
  background: linear-gradient(150deg, rgba(43, 232, 200, 0.14), rgba(124, 92, 255, 0.12) 55%, rgba(14, 23, 52, 0.92));
}

.glass {
  padding: clamp(18px, 2.4vw, 30px);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-panel);
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* ---------- 9. 数据与状态 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 0 12px;
  border: 1px solid rgba(43, 232, 200, 0.3);
  border-radius: var(--radius-pill);
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 600;
  background: rgba(43, 232, 200, 0.12);
  color: var(--cyan);
}

.chip--violet { background: rgba(124, 92, 255, 0.14); color: #B6A5FF; border-color: rgba(124, 92, 255, 0.34); }
.chip--gold { background: rgba(255, 194, 75, 0.14); color: var(--gold); border-color: rgba(255, 194, 75, 0.34); }
.chip--orange { background: rgba(255, 122, 61, 0.14); color: var(--orange); border-color: rgba(255, 122, 61, 0.34); }
.chip--green { background: rgba(53, 208, 127, 0.14); color: var(--green); border-color: rgba(53, 208, 127, 0.34); }
.chip--red { background: rgba(255, 92, 122, 0.14); color: var(--red); border-color: rgba(255, 92, 122, 0.34); }

.stat { display: grid; gap: 8px; }

.stat-num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(40px, 6vw, 88px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
}

.stat-num--gold { color: var(--gold); }
.stat-num--cyan { color: var(--cyan); }

.stat-label { font-size: 14px; color: var(--ink-2); }

.data-list { display: grid; }

.data-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.data-row:last-child { border-bottom: 0; }

.data-row__rank {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--cyan);
  min-width: 2ch;
}

.data-row__name { color: var(--ink); font-weight: 600; }

.data-row__value { font-family: var(--font-num); color: var(--ink); }

/* ---------- 10. 折叠组 / 面包屑 / 正文 ---------- */
.disclosure {
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.disclosure + .disclosure { margin-top: 12px; }

.disclosure > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 56px;
  padding: 0 18px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease-out), background-color 0.2s var(--ease-out);
}

.disclosure > summary::-webkit-details-marker { display: none; }

.disclosure > summary::after {
  content: '';
  margin-left: auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease-out);
}

.disclosure[open] > summary { color: var(--cyan); background: rgba(43, 232, 200, 0.05); }
.disclosure[open] > summary::after { transform: rotate(-135deg); }

.disclosure-body {
  padding: 4px 18px 20px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-2);
}

.crumbs { padding-block: 18px; }

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-2);
}

.crumbs li { display: flex; align-items: center; gap: 10px; }

.crumbs li + li::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  transform: rotate(45deg);
}

.crumbs a:hover { color: var(--cyan); }
.crumbs [aria-current="page"] { color: var(--ink); }

.prose {
  max-width: 38em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-2);
}

.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 1.8em; }
.prose h3 { margin-top: 1.5em; }

.prose a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(43, 232, 200, 0.4);
  text-underline-offset: 3px;
}

.prose ul, .prose ol { display: grid; gap: 0.6em; padding-left: 1.2em; }
.prose ul { list-style: none; }

.prose ul li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--cyan);
  vertical-align: middle;
}

/* ---------- 11. 图片容器（供页面阶段放置素材） ---------- */
.img-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: linear-gradient(150deg, #101A3E, #0A1129);
}

.img-frame > img,
.img-frame > svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-frame--16x9 { aspect-ratio: 16 / 9; }
.img-frame--4x3 { aspect-ratio: 4 / 3; }
.img-frame--3x2 { aspect-ratio: 3 / 2; }
.img-frame--1x1 { aspect-ratio: 1 / 1; }
.img-frame--3x4 { aspect-ratio: 3 / 4; }
.img-frame--21x9 { aspect-ratio: 21 / 9; }

.img-frame--tint::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7, 11, 31, 0) 42%, rgba(7, 11, 31, 0.82)),
    linear-gradient(120deg, rgba(43, 232, 200, 0.18), transparent 58%);
}

.img-frame__tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-pill);
  background: rgba(7, 11, 31, 0.72);
  font-size: 13px;
  color: var(--ink);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.figure { display: grid; gap: 10px; }
.figure-caption { font-size: 13px; color: var(--ink-2); }

/* ---------- 12. 分隔与实用类 ---------- */
.divider {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line) 18%, var(--line) 82%, transparent);
}

.divider--diag {
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 60%, transparent);
  opacity: 0.7;
}

/* ---------- 13. 滚动显现 ---------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 14. 响应式 ---------- */
@media (max-width: 1199px) {
  .status-text { display: none; }
  .nav-link { padding: 0 12px; font-size: 14.5px; }
}

@media (max-width: 1023px) {
  .site-header { padding: 8px 10px 0; }
  .header-shell { padding: 8px 10px 8px 14px; gap: 10px; }

  .header-cta { display: none; }
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: 10px;
    z-index: 90;
    margin: 0;
    padding: 14px;
    max-height: 78vh;
    overflow-y: auto;
    border: 1px solid var(--stroke);
    border-radius: 24px;
    background: linear-gradient(160deg, rgba(18, 29, 66, 0.97), rgba(9, 16, 39, 0.98));
    box-shadow: var(--shadow-panel);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transform: translateY(calc(100% + 34px));
    opacity: 0;
    visibility: hidden;
    transition: transform 0.34s var(--ease-out), opacity 0.24s var(--ease-out), visibility 0.34s;
  }

  .site-header[data-open] .site-nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 0;
    border: 0;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .nav-link {
    min-height: 48px;
    padding: 0 16px;
    border-radius: 16px;
    font-size: 16px;
  }

  .nav-foot {
    display: grid;
    gap: 10px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
  }

  .scroll-rail { bottom: 0; }
}

@media (max-width: 1000px) {
  .footer-shell { grid-template-columns: minmax(0, 1fr); }
  .span-3, .span-4, .span-5, .span-6 { grid-column: span 6; }
  .span-7, .span-8, .span-9 { grid-column: span 12; }
}

@media (max-width: 720px) {
  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 18px; }
  .contact-key { min-width: 60px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .span-3, .span-4, .span-5, .span-6, .span-7, .span-8, .span-9 { grid-column: span 12; }
  .brand-tag { display: none; }
  .footer-base { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 420px) {
  .foot-grid { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 15. 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .js [data-reveal] { opacity: 1; transform: none; }
}