/* ==========================================================================
   新博体育 · 共享站点样式 /assets/site.css
   夜间赛场数据流：深空底 + 蓝图网格 + 青橙双强调
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd, address { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  --ink: #050B1A;
  --panel: #0B1730;
  --panel-2: #0E1E3D;
  --line: #16305C;
  --muted: #A8B6CE;
  --white: #F4F7FB;
  --cyan: #00E5FF;
  --cyan-soft: #7FF3FF;
  --orange: #FF7A18;
  --orange-soft: #FFC178;
  --lg-football: #7C5CFF;
  --lg-basket: #26D07C;
  --lg-cup: #FF4D6D;

  --radius-xl: 28px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 999px;

  --wrap: 1240px;
  --header-h: 72px;
  --dur: .18s;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --shadow-lift: 0 22px 46px -26px rgba(0, 0, 0, .95);

  --font-sans: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- 3. 基础排版与底色 ---------- */
html { scroll-padding-top: calc(var(--header-h) + 16px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(22, 48, 92, .34) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 48, 92, .34) 1px, transparent 1px),
    radial-gradient(1100px 620px at 10% -12%, rgba(0, 229, 255, .10), transparent 62%),
    radial-gradient(900px 520px at 98% 2%, rgba(255, 122, 24, .09), transparent 64%);
  background-size: 96px 96px, 96px 96px, 100% 100%, 100% 100%;
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -.01em; font-weight: 800; }
h1 { font-size: clamp(2.6rem, 6vw, 5rem); line-height: 1.02; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
p { max-width: 34em; }
strong { font-weight: 800; }

:focus-visible {
  outline: 2px solid var(--cyan-soft);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection { background: rgba(0, 229, 255, .3); color: #fff; }

/* ---------- 4. 布局工具 ---------- */
.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
.wrap-narrow { width: min(100% - 32px, 880px); margin-inline: auto; }

.section { padding: clamp(48px, 7vw, 96px) 0; }
.section-tight { padding: clamp(28px, 4vw, 52px) 0; }

.grid-12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(16px, 2vw, 24px); }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

.divider { height: 1px; background: var(--line); margin: clamp(20px, 3vw, 36px) 0; }
.cut-corner { clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%); }

/* ---------- 5. 文本组件 ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.lede { font-size: clamp(1rem, 1.5vw, 1.15rem); color: var(--muted); line-height: 1.8; max-width: 34em; }
.link { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.link:hover { color: var(--cyan-soft); }

.note-vertical {
  writing-mode: vertical-rl;
  font-size: 12px;
  font-weight: 300;
  letter-spacing: .24em;
  color: var(--muted);
}

.section-head {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-bottom: clamp(20px, 3vw, 34px);
}
.section-index { font-family: var(--font-mono); font-size: 12px; letter-spacing: .22em; color: var(--cyan); }
.section-title { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }

/* ---------- 6. 卡片 / 面板 / 标签 ---------- */
.card {
  position: relative;
  background: linear-gradient(180deg, rgba(11, 23, 48, .95), rgba(9, 19, 40, .95));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 2.6vw, 28px);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover { transform: translateY(-4px); border-color: rgba(0, 229, 255, .5); box-shadow: 0 0 0 1px rgba(0, 229, 255, .2), var(--shadow-lift); }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 2.4vw, 26px);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(11, 23, 48, .7);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(11, 23, 48, .6);
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.chip:hover { color: var(--white); border-color: rgba(0, 229, 255, .45); }
.chip[aria-pressed="true"] { color: #04121C; background: var(--cyan); border-color: var(--cyan); font-weight: 700; }

.hue-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--league, var(--cyan)); box-shadow: 0 0 10px var(--league, var(--cyan)); }
.league-tag {
  --league: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(11, 23, 48, .72);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.league-tag--football { --league: var(--lg-football); border-color: rgba(124, 92, 255, .45); }
.league-tag--basket { --league: var(--lg-basket); border-color: rgba(38, 208, 124, .45); }
.league-tag--cup { --league: var(--lg-cup); border-color: rgba(255, 77, 109, .45); }

.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
  color: var(--white);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(11, 23, 48, .72);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-accent { border-color: rgba(0, 229, 255, .55); color: var(--cyan); background: rgba(0, 229, 255, .07); }
.btn-accent:hover { background: rgba(0, 229, 255, .15); box-shadow: 0 0 0 1px rgba(0, 229, 255, .35), 0 14px 30px -18px rgba(0, 229, 255, .9); }

.btn-solid { border-color: transparent; background: var(--orange); color: #1A0800; font-weight: 800; }
.btn-solid:hover { background: var(--orange-soft); box-shadow: 0 14px 30px -18px rgba(255, 122, 24, .95); }

.btn-ghost { background: transparent; color: var(--muted); border-color: var(--line); }
.btn-ghost:hover { color: var(--white); border-color: rgba(0, 229, 255, .45); }

.icon-btn {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(11, 23, 48, .82);
  color: var(--muted);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.icon-btn:hover { color: var(--white); border-color: rgba(0, 229, 255, .45); }
.icon-btn[aria-expanded="true"] { color: var(--cyan); border-color: rgba(0, 229, 255, .6); background: rgba(0, 229, 255, .1); }
.icon { width: 19px; height: 19px; }

/* ---------- 8. 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.crumbs li { display: inline-flex; align-items: center; gap: 8px; }
.crumbs li + li::before { content: "/"; color: var(--line); }
.crumbs a:hover { color: var(--cyan); }
.crumbs [aria-current="page"] { color: var(--cyan); }

/* ---------- 9. 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--panel-2) 0%, #071227 55%, var(--panel) 100%);
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.95) contrast(1.05); }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--diagonal { clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%); border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
.media-frame--placeholder {
  background-image:
    repeating-linear-gradient(135deg, rgba(22, 48, 92, .5) 0 2px, transparent 2px 12px),
    linear-gradient(150deg, var(--panel-2), #071227);
}
.media-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 229, 255, .10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, .10) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: .55;
}
.media-score {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 6px 12px;
  border: 1px solid rgba(0, 229, 255, .4);
  border-radius: var(--radius-pill);
  background: rgba(5, 11, 26, .78);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan-soft);
}

/* ---------- 10. 显现动效 ---------- */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
}
.has-js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 11. 跳至主要内容 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--cyan);
  color: #04121C;
  font-weight: 800;
  font-size: 14px;
  transform: translateY(-180%);
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- 12. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 0;
  background: linear-gradient(180deg, rgba(5, 11, 26, .97) 0%, rgba(5, 11, 26, .86) 62%, rgba(5, 11, 26, 0) 100%);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition: padding .2s var(--ease);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 18%, var(--line) 82%, transparent);
}
.site-header[data-collapsed] {
  padding: 8px 0;
  background: linear-gradient(180deg, rgba(5, 11, 26, .99) 0%, rgba(5, 11, 26, .8) 70%, rgba(5, 11, 26, 0) 100%);
}

.header-shell {
  position: relative;
  width: min(100% - 32px, var(--wrap));
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
}

/* 品牌浮岛 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 6px 14px 6px 6px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.brand:hover { border-color: var(--line); background: rgba(11, 23, 48, .8); }
.brand-mark {
  flex: none;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--cyan) 0%, #38B6FF 52%, var(--orange) 100%);
  color: #04121C;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  box-shadow: 0 0 0 1px rgba(0, 229, 255, .3), 0 10px 24px -14px rgba(0, 229, 255, .95);
}
.brand-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.18; }
.brand-name { font-size: 16px; font-weight: 800; letter-spacing: .04em; color: var(--white); }
.brand-status { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; letter-spacing: .12em; color: var(--muted); white-space: nowrap; }
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, .16);
  animation: statusPulse 2s var(--ease) infinite;
}
@keyframes statusPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .42; transform: scale(.8); }
}

/* 胶囊导航 */
.nav-capsule {
  justify-self: center;
  display: flex;
  align-items: center;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(11, 23, 48, .84);
  box-shadow: var(--shadow-lift);
  transition: padding .2s var(--ease);
}
.nav-list { display: flex; align-items: center; }
.nav-item {
  max-width: 14rem;
  overflow: hidden;
  transition: max-width var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-link {
  display: block;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  letter-spacing: .02em;
  white-space: nowrap;
  color: var(--muted);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav-link:hover { color: var(--white); background: rgba(0, 229, 255, .1); }
.nav-link[aria-current="page"] {
  color: var(--white);
  background: rgba(0, 229, 255, .14);
  box-shadow: inset 0 0 0 1px rgba(0, 229, 255, .5);
}
.site-header[data-collapsed] .nav-capsule { padding: 4px; }
.site-header[data-collapsed] .nav-link { padding: 7px 12px; }

/* 右侧行动区 */
.header-actions { position: relative; justify-self: end; display: flex; align-items: center; gap: 10px; }
.btn-panel { padding: 10px 18px; font-size: 13.5px; }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(11, 23, 48, .86);
  cursor: pointer;
}
.nav-toggle-bar {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--white);
  transform: translateX(-50%);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.nav-toggle-bar:first-child { top: 18px; }
.nav-toggle-bar:last-child { bottom: 18px; }
.site-header[data-open] .nav-toggle-bar:first-child { transform: translateX(-50%) translateY(3px) rotate(45deg); background: var(--cyan); }
.site-header[data-open] .nav-toggle-bar:last-child { transform: translateX(-50%) translateY(-3px) rotate(-45deg); background: var(--cyan); }

/* 快捷跳转 */
.quickjump {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 140;
  width: min(320px, 82vw);
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: 0 30px 70px -34px #000;
}
.quickjump[hidden] { display: none; }
.quickjump-title {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
  max-width: none;
}
.quickjump-list { display: grid; gap: 4px; }
.quickjump-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  font-size: 14px;
  color: var(--white);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.quickjump-link:hover { background: rgba(0, 229, 255, .1); color: var(--cyan); }
.quickjump-index { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--muted); }

/* 滚动进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  pointer-events: none;
}
.scroll-progress::before {
  content: "";
  position: absolute;
  inset: 0;
  transform-origin: 0 50%;
  transform: scaleX(var(--progress, 0));
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan-soft) 45%, var(--orange) 100%);
  box-shadow: 0 0 12px rgba(0, 229, 255, .7);
  transition: transform .12s linear;
}

/* ---------- 13. 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 8vw, 110px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 23, 48, .72) 0%, rgba(5, 11, 26, .99) 100%);
}
.footer-top { padding: clamp(40px, 6vw, 72px) 0 clamp(26px, 4vw, 44px); }
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(4, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 40px);
}
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.brand--footer { padding-left: 0; }
.brand--footer:hover { border-color: transparent; background: transparent; }
.footer-tagline { font-size: 14px; color: var(--muted); max-width: 26em; line-height: 1.75; }
.footer-meta { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; color: var(--cyan); text-transform: uppercase; }
.footer-col { min-width: 0; }
.footer-col-title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}
.footer-links { display: grid; gap: 2px; }
.footer-link {
  display: inline-block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--muted);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.footer-link:hover { color: var(--white); transform: translateX(4px); }

.footer-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 26px;
  padding: 22px 0 36px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--muted);
}
.footer-copy { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; }
.footer-copy::before { content: ""; width: 6px; height: 6px; border-radius: 2px; background: var(--orange); }
.footer-bar-item { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- 14. 桌面收起态 ---------- */
@media (min-width: 900px) {
  .site-header[data-collapsed] .nav-item:not(.is-current) { max-width: 0; opacity: 0; }
  .site-header[data-collapsed] .nav-capsule:hover .nav-item,
  .site-header[data-collapsed] .nav-capsule:focus-within .nav-item { max-width: 14rem; opacity: 1; }
  .site-header[data-collapsed] .brand-status { display: none; }
}

/* ---------- 15. 移动 / 平板页头 ---------- */
@media (max-width: 899px) {
  :root { --header-h: 64px; }
  .site-header { padding: 10px 0; }
  .header-shell { grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }
  .nav-toggle { display: grid; place-items: center; }
  .nav-capsule {
    position: fixed;
    left: 14px;
    right: 14px;
    top: calc(var(--header-h) + 10px);
    z-index: 120;
    display: block;
    padding: 10px;
    border-radius: 26px;
    background: rgba(9, 19, 40, .97);
    box-shadow: 0 30px 70px -34px #000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px) scale(.98);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) linear;
  }
  .site-header[data-open] .nav-capsule { opacity: 1; visibility: visible; transform: none; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 6px; }
  .nav-item { max-width: none; opacity: 1; }
  .nav-link { padding: 12px 18px; font-size: 16px; border-radius: 18px; }
  .site-header[data-collapsed] .nav-link { padding: 12px 18px; }
  .quickjump { width: min(320px, 88vw); }
}

/* ---------- 16. 响应式补充 ---------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9 { grid-column: span 12; }
  .grid-12 { gap: 16px; }
}
@media (max-width: 640px) {
  .icon-btn { display: none; }
  .quickjump { display: none; }
  .brand-mark { width: 32px; height: 32px; border-radius: 11px; font-size: 11px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-bar { gap: 6px 18px; font-size: 12.5px; }
}
@media (max-width: 480px) {
  .brand-status { display: none; }
  .brand-name { font-size: 15px; }
  .btn-panel { padding: 9px 13px; font-size: 13px; }
}

/* ---------- 17. 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .status-dot { animation: none; }
  .has-js [data-reveal] { opacity: 1; transform: none; }
  .card:hover, .btn:hover, .footer-link:hover { transform: none; }
}