/* ============================================================
   德赢体育 VWIN — 共享样式 /assets/site.css
   深夜赛场数据指挥室：深墨绿场域 + 发丝线 + 电光青与暖金脉冲
   ============================================================ */

/* ---------- 01 设计令牌 ---------- */
:root {
  --ink: #05100D;
  --night: #0A1B2E;
  --panel: #0E211C;
  --cyan: #2BF0C6;
  --cyan-soft: #8DF7DF;
  --gold: #F0C36A;
  --gold-deep: #C08B33;
  --violet: #9B6BFF;
  --text: #E9F1EF;
  --muted: #93A8A6;
  --hair: #1E3733;
  --hair-soft: rgba(30, 55, 51, .6);
  --capsule-bg: rgba(10, 27, 46, .86);
  --card-bg: linear-gradient(150deg, rgba(14, 33, 28, .92), rgba(5, 16, 13, .92));
  --shadow-card: 0 22px 44px -30px rgba(0, 0, 0, .95);
  --font-head: "Noto Sans SC Condensed", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-mono: ui-monospace, "Roboto Mono", "DIN Alternate", "SFMono-Regular", "Menlo", Consolas, monospace;
  --maxw: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --r-cap: 999px;
  --r-card: 16px;
  --r-sm: 10px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 02 reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  background: var(--ink);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body, h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd, ol, ul { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
::selection { background: rgba(43, 240, 198, .28); color: #fff; }

/* ---------- 03 页面场域 ---------- */
body {
  position: relative;
  min-height: 100vh;
  overflow-x: clip;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
/* 双层数据网格底纹 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(43, 240, 198, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 240, 198, .05) 1px, transparent 1px),
    linear-gradient(to right, rgba(141, 247, 223, .028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(141, 247, 223, .028) 1px, transparent 1px);
  background-size: 48px 48px, 48px 48px, 24px 24px, 24px 24px;
}
/* 顶部夜蓝冷光 */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(680px 380px at 14% -8%, rgba(43, 240, 198, .12), transparent 70%),
    radial-gradient(760px 420px at 88% -4%, rgba(10, 27, 46, .95), transparent 72%),
    radial-gradient(520px 320px at 62% 108%, rgba(155, 107, 255, .07), transparent 70%);
}

/* ---------- 04 排版 ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.18;
  color: var(--text);
}
h1 { font-size: clamp(30px, 5vw, 56px); }
h2 { font-size: clamp(23px, 3.2vw, 40px); }
h3 { font-size: clamp(18px, 2.2vw, 28px); }
h4 { font-size: clamp(16px, 1.6vw, 20px); }
p { max-width: 38em; }
strong { color: var(--cyan-soft); font-weight: 600; }
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}
.lead {
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.9vw, 21px);
  line-height: 1.9;
  color: var(--text);
  max-width: 34em;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
}
.meta-line {
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--muted);
}
.meta-line .num { color: var(--cyan-soft); }
.rhythm-line {
  height: 2px;
  border: 0;
  background: linear-gradient(90deg, var(--cyan), var(--gold) 62%, transparent);
}

/* ---------- 05 布局容器 ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: 860px; }
.section { padding-block: clamp(44px, 6vw, 96px); }
.section--tight { padding-block: clamp(26px, 3.4vw, 52px); }
.section-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 3vw, 40px);
  max-width: 62ch;
}
.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 28px);
}
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

/* ---------- 06 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--muted);
}
.breadcrumb li { display: inline-flex; align-items: center; gap: 10px; }
.breadcrumb li + li::before { content: "/"; color: var(--hair); }
.breadcrumb a { color: var(--muted); transition: color .2s var(--ease); }
.breadcrumb a:hover { color: var(--cyan-soft); }
.breadcrumb [aria-current="page"] { color: var(--cyan); }

/* ---------- 07 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 11px 22px;
  border: 1px solid var(--hair);
  border-radius: var(--r-cap);
  background: rgba(14, 33, 28, .5);
  color: var(--text);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .05em;
  cursor: pointer;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.btn:hover { border-color: rgba(43, 240, 198, .45); color: var(--cyan-soft); transform: translateY(-2px); }
.btn--primary {
  border-color: rgba(43, 240, 198, .5);
  color: var(--cyan);
  background: linear-gradient(120deg, rgba(43, 240, 198, .16), rgba(43, 240, 198, .04));
}
.btn--primary:hover { background: var(--cyan); color: #04140F; }
.btn--gold { border-color: rgba(240, 195, 106, .45); color: var(--gold); background: rgba(240, 195, 106, .08); }
.btn--gold:hover { border-color: var(--gold); color: var(--gold); background: rgba(240, 195, 106, .16); }
.btn--ghost { background: transparent; color: var(--muted); }
.btn--ghost:hover { color: var(--cyan-soft); }

/* ---------- 08 卡片 / 标签 / 数值 ---------- */
.card {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--hair);
  border-radius: var(--r-card);
  background: var(--card-bg);
  transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}
.card:hover { transform: translateY(-2px); border-color: rgba(43, 240, 198, .34); box-shadow: var(--shadow-card); }
.card__title { font-size: clamp(17px, 1.8vw, 22px); margin-bottom: 8px; }
.card__foot { margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--hair-soft); }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid var(--hair);
  border-radius: var(--r-cap);
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--muted);
  background: rgba(5, 16, 13, .5);
  transition: border-color .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease);
}
.tag:hover { box-shadow: 0 0 14px -4px currentColor; }
.tag--cyan { color: var(--cyan); border-color: rgba(43, 240, 198, .4); text-shadow: 0 0 12px rgba(43, 240, 198, .35); }
.tag--gold { color: var(--gold); border-color: rgba(240, 195, 106, .4); text-shadow: 0 0 12px rgba(240, 195, 106, .3); }
.tag--violet { color: var(--violet); border-color: rgba(155, 107, 255, .42); text-shadow: 0 0 12px rgba(155, 107, 255, .3); }
.stat-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--cyan);
}
.stat-value--gold { color: var(--gold); }
.stat-value--big { font-size: clamp(44px, 7vw, 72px); }

/* ---------- 09 数据表 ---------- */
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--hair);
  border-radius: 14px;
  background: rgba(14, 33, 28, .5);
  -webkit-overflow-scrolling: touch;
}
.data-table { width: 100%; min-width: 560px; font-size: 14.5px; }
.data-table caption {
  padding: 14px 18px 10px;
  text-align: left;
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}
.data-table th {
  padding: 12px 18px;
  border-bottom: 1px solid var(--hair);
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .1em;
  text-align: left;
  color: var(--muted);
  white-space: nowrap;
}
.data-table td { padding: 12px 18px; border-bottom: 1px solid var(--hair-soft); vertical-align: middle; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr { transition: background .2s var(--ease); }
.data-table tbody tr:hover { background: rgba(43, 240, 198, .05); }
.data-table .num { color: var(--cyan-soft); }
.data-table .rank { font-family: var(--font-mono); color: var(--muted); }
.data-table .rank--top { color: var(--gold); }

/* ---------- 10 图片容器 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hair);
  border-radius: var(--r-card);
  background: linear-gradient(150deg, #08170F, #050C16);
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(141, 247, 223, .06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(141, 247, 223, .06) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px;
}
.media-frame img, .media-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.92) contrast(1.06) brightness(.92);
}
.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--cover { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--strip { aspect-ratio: 21 / 9; }
.media-frame__caption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 2;
  padding: 4px 11px;
  border: 1px solid var(--hair);
  border-radius: var(--r-cap);
  background: rgba(5, 16, 13, .78);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan-soft);
}

/* ---------- 11 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: 50%;
  top: 10px;
  z-index: 120;
  padding: 10px 20px;
  border-radius: var(--r-cap);
  background: var(--cyan);
  color: #04140F;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  transform: translate(-50%, -190%);
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); }

/* ---------- 12 头部浮岛 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 70;
  padding: 14px var(--gutter) 0;
  transition: padding .25s var(--ease);
}
.site-header[data-condensed="true"] { padding-top: 7px; }

.progress-rail {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 110;
  background: rgba(43, 240, 198, .07);
}
.progress-rail__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--gold));
  box-shadow: 0 0 12px rgba(43, 240, 198, .55);
}

.capsule {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.8vw, 24px);
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 9px clamp(12px, 2vw, 20px);
  border: 1px solid var(--hair);
  border-radius: var(--r-cap);
  background: linear-gradient(120deg, var(--capsule-bg), rgba(5, 16, 13, .84));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 20px 44px -26px rgba(0, 0, 0, .95), inset 0 1px 0 rgba(141, 247, 223, .06);
  transition: padding .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease);
}
.site-header[data-condensed="true"] .capsule {
  padding-block: 6px;
  border-color: rgba(43, 240, 198, .22);
  background: linear-gradient(120deg, rgba(10, 27, 46, .97), rgba(5, 16, 13, .95));
}

.capsule__brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand__mark {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: conic-gradient(from 140deg, var(--cyan), var(--gold), var(--violet), var(--cyan));
  box-shadow: 0 0 16px rgba(43, 240, 198, .32);
}
.brand__mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 3px;
  background: var(--ink);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand__name {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--muted);
  white-space: nowrap;
}

.live-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 14px;
  border-left: 1px solid var(--hair);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  white-space: nowrap;
}
.live-status .num { color: var(--cyan); }
.pulse-dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(43, 240, 198, .5);
  animation: vwin-pulse 2.6s var(--ease) infinite;
}
@keyframes vwin-pulse {
  0% { box-shadow: 0 0 0 0 rgba(43, 240, 198, .5); }
  70% { box-shadow: 0 0 0 9px rgba(43, 240, 198, 0); }
  100% { box-shadow: 0 0 0 0 rgba(43, 240, 198, 0); }
}

.nav { margin-inline: auto; }
.nav__list { display: flex; align-items: center; gap: 2px; }
.nav__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 8px 13px;
  border-radius: var(--r-cap);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--muted);
  white-space: nowrap;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav__link:hover { color: var(--cyan-soft); background: rgba(43, 240, 198, .08); }
.nav__link[aria-current="page"] {
  color: var(--cyan);
  background: rgba(43, 240, 198, .12);
}
.nav__link[aria-current="page"]::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.capsule__tools { display: flex; align-items: center; gap: 8px; }
.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 6px 13px;
  border: 1px solid var(--hair);
  border-radius: var(--r-cap);
  background: rgba(14, 33, 28, .6);
  color: var(--muted);
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.tool-btn:hover { color: var(--cyan-soft); border-color: rgba(43, 240, 198, .4); }
.tool-btn[aria-expanded="true"],
.tool-btn[aria-pressed="true"] {
  color: var(--cyan);
  border-color: rgba(43, 240, 198, .55);
  box-shadow: inset 0 0 0 1px rgba(43, 240, 198, .16);
}
.tool-btn__icon {
  position: relative;
  width: 12px;
  height: 12px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}
.tool-btn__icon::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -3px;
  width: 6px;
  height: 1.5px;
  background: currentColor;
  transform: rotate(45deg);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 7px 14px;
  border: 1px solid var(--hair);
  border-radius: var(--r-cap);
  background: rgba(14, 33, 28, .6);
  color: var(--text);
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .08em;
  cursor: pointer;
}
.nav-toggle__bars, .nav-toggle__bars::before, .nav-toggle__bars::after {
  display: block;
  width: 15px;
  height: 1.5px;
  background: var(--cyan);
  border-radius: 2px;
}
.nav-toggle__bars { position: relative; }
.nav-toggle__bars::before, .nav-toggle__bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }
.nav-toggle[aria-expanded="true"] { color: var(--cyan); border-color: rgba(43, 240, 198, .5); }

/* ---------- 13 速查面板 ---------- */
.quick-index {
  position: absolute;
  top: calc(100% - 4px);
  left: 50%;
  z-index: 75;
  width: min(var(--maxw), calc(100% - (var(--gutter) * 2)));
  max-height: min(72vh, 560px);
  overflow: auto;
  padding: 18px;
  border: 1px solid var(--hair);
  border-radius: 20px;
  background: linear-gradient(160deg, rgba(14, 33, 28, .98), rgba(5, 16, 13, .97));
  box-shadow: 0 34px 70px -34px #000;
  display: grid;
  gap: 14px;
  transform: translateX(-50%);
}
.quick-index[hidden] { display: none; }
.quick-index__label {
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}
.quick-index__input {
  width: 100%;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--hair);
  border-radius: var(--r-cap);
  background: rgba(5, 16, 13, .85);
  color: var(--text);
  font-size: 14.5px;
}
.quick-index__input::placeholder { color: rgba(147, 168, 166, .75); }
.quick-index__input:focus-visible { border-color: rgba(43, 240, 198, .55); }
.quick-index__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(206px, 1fr));
  gap: 8px;
}
.quick-index__item[hidden] { display: none; }
.quick-index__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid var(--hair);
  border-radius: var(--r-sm);
  background: rgba(10, 27, 46, .35);
  font-size: 14px;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.quick-index__link:hover {
  border-color: rgba(43, 240, 198, .45);
  background: rgba(43, 240, 198, .08);
  color: var(--cyan-soft);
}
.quick-index__path {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted);
}
.quick-index__empty { font-size: 13px; color: var(--gold); }

/* ---------- 14 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 120px);
  padding: clamp(34px, 5vw, 66px) var(--gutter) 26px;
  border-top: 1px solid var(--hair);
  background: linear-gradient(180deg, rgba(10, 27, 46, .55), var(--ink) 46%);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(43, 240, 198, .045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(43, 240, 198, .045) 1px, transparent 1px);
  background-size: 48px 48px, 48px 48px;
}
.site-footer__inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin-inline: auto;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr repeat(4, minmax(0, 1fr));
  gap: clamp(22px, 3vw, 42px);
  padding-bottom: clamp(26px, 4vw, 48px);
}
.footer-brand { display: grid; gap: 14px; align-content: start; }
.footer-brand__note { font-size: 14px; color: var(--muted); max-width: 26em; }
.footer-contact { display: grid; gap: 8px; }
.footer-contact li { display: grid; gap: 2px; }
.footer-contact__k {
  font-family: var(--font-head);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--muted);
}
.footer-contact__v { font-size: 13.5px; color: var(--text); word-break: break-word; }
.footer-contact__v.num { color: var(--cyan-soft); }

.footer-col { display: grid; gap: 12px; align-content: start; }
.footer-col__title {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair);
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--text);
}
.footer-col__list { display: grid; gap: 9px; }
.footer-col__link {
  display: inline-block;
  font-size: 14px;
  color: var(--muted);
  transition: color .2s var(--ease), transform .2s var(--ease);
}
.footer-col__link:hover { color: var(--cyan-soft); transform: translateX(2px); }

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  padding-top: 20px;
  border-top: 1px solid var(--hair);
}
.footer-meta__item {
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--muted);
}
.footer-meta__item .num, .footer-meta__item [data-year] {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--cyan-soft);
}
.footer-meta__item--icp { margin-left: auto; font-family: var(--font-mono); }
.footer-lang {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 5px 14px;
  border: 1px solid var(--hair);
  border-radius: var(--r-cap);
  background: rgba(14, 33, 28, .6);
  color: var(--muted);
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .08em;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.footer-lang:hover { color: var(--cyan-soft); border-color: rgba(43, 240, 198, .4); }
.footer-lang[aria-pressed="true"] { color: var(--cyan); border-color: rgba(43, 240, 198, .5); }

/* ---------- 15 渐显 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
html.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 16 响应式 ---------- */
@media (max-width: 1180px) {
  .nav__link { padding-inline: 10px; font-size: 13.5px; }
  .footer-meta__item--icp { margin-left: 0; }
}

@media (max-width: 1024px) {
  .site-footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .grid-12 > .col-4, .grid-12 > .col-5, .grid-12 > .col-7, .grid-12 > .col-8 { grid-column: span 12; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .capsule { flex-wrap: wrap; border-radius: 22px; }
  .nav-toggle { display: inline-flex; margin-left: auto; order: 3; }
  .capsule__tools { order: 4; }
  .brand__sub { display: none; }
  .nav {
    order: 5;
    flex-basis: 100%;
    margin-inline: 0;
    display: grid;
    gap: 6px;
    padding: 10px 2px 4px;
    border-top: 1px solid var(--hair);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .22s var(--ease), transform .22s var(--ease), visibility .22s var(--ease);
  }
  .nav[data-open="true"] { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 4px; }
  .nav__link { min-height: 44px; padding: 10px 14px; font-size: 15px; }
  .quick-index { border-radius: 18px; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .live-status { display: none; }
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .footer-col__title { font-size: 12.5px; }
}

@media (max-width: 560px) {
  .brand__name { font-size: 15px; }
  .brand__mark { width: 22px; height: 22px; }
  .tool-btn__label { display: none; }
  .tool-btn { padding-inline: 10px; }
  .nav-toggle__label { display: none; }
  .grid--4 { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .quick-index__list { grid-template-columns: 1fr; }
  .footer-meta { gap: 8px 16px; }
}

/* ---------- 17 可访问性与降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .pulse-dot { animation: none; box-shadow: 0 0 0 3px rgba(43, 240, 198, .22); }
  html.js [data-reveal] { opacity: 1; transform: none; }
}