/* =========================================================
   雷霆体育主站 · 共享样式 /assets/site.css
   暗色高原夜赛底 + 雷霆紫/电光蓝渐变 + 控制台面板语汇
   ========================================================= */

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

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

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

ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4 { font-weight: 800; }
table { border-collapse: collapse; }

/* ---------- 2. 变量 ---------- */
:root {
  --c-violet: #6C3BFF;
  --c-blue: #2FB8FF;
  --c-night: #0B1020;
  --c-cyan: #35F0D0;
  --c-orange: #FF8A3D;
  --c-mist: #E6EAF5;
  --c-muted: #8A93B8;
  --c-panel: #15102E;
  --c-green: #3DDC97;

  --grad-key: linear-gradient(135deg, #4C2BD9 0%, #1E9BFF 100%);
  --grad-veil: linear-gradient(150deg, rgba(108, 59, 255, .30), rgba(47, 184, 255, .10) 52%, rgba(53, 240, 208, .05));

  --line: rgba(138, 147, 184, .26);
  --line-soft: rgba(138, 147, 184, .14);
  --line-strong: rgba(138, 147, 184, .48);

  --shell: 1240px;
  --gutter: clamp(16px, 4.2vw, 40px);
  --gap: clamp(14px, 2.2vw, 24px);

  --r-xs: 6px;
  --r-sm: 12px;
  --r-md: 20px;
  --r-lg: 30px;
  --r-pill: 999px;

  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Arial Narrow", system-ui, sans-serif;
  --font-num: ui-monospace, "SF Mono", "JetBrains Mono", "Roboto Mono", Consolas, "Courier New", monospace;

  --shadow-1: 0 20px 48px -30px rgba(2, 6, 18, .95);
  --shadow-2: 0 26px 60px -30px rgba(76, 43, 217, .75);
  --ease: cubic-bezier(.22, .75, .3, 1);
  --header-pad: clamp(10px, 1.5vw, 16px);
}

/* ---------- 3. 基础排版与背景 ---------- */
body {
  min-height: 100vh;
  background-color: var(--c-night);
  background-image:
    radial-gradient(58% 42% at 10% -8%, rgba(108, 59, 255, .34), transparent 70%),
    radial-gradient(52% 40% at 98% 2%, rgba(47, 184, 255, .22), transparent 72%),
    radial-gradient(70% 48% at 50% 110%, rgba(53, 240, 208, .09), transparent 70%);
  background-attachment: fixed;
  background-repeat: no-repeat;
  color: var(--c-mist);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  letter-spacing: .012em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* 扫描线纹理层 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(180deg, rgba(230, 234, 245, .035) 0 1px, transparent 1px 4px);
  opacity: .5;
}

::selection { background: rgba(108, 59, 255, .55); color: #fff; }

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

#main-content,
[data-anchor] { scroll-margin-top: clamp(96px, 16vh, 168px); }

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

.section { padding-block: clamp(40px, 7vw, 88px); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px 32px;
  margin-bottom: clamp(20px, 3vw, 36px);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  line-height: 1.14;
  letter-spacing: -.012em;
  color: #fff;
  text-wrap: balance;
}

.section-note {
  max-width: 54ch;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--c-muted);
}

.grid { display: grid; gap: var(--gap); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(208px, 1fr)); }

.runner {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--line-strong) 22%, var(--line-strong) 78%, transparent);
}

.annotation {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: .66rem;
  letter-spacing: .3em;
  color: var(--c-muted);
}

.numeric {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

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

/* ---------- 5. 字体气质组件 ---------- */
.display-1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 6.4vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -.028em;
  color: #fff;
  text-wrap: balance;
}

.display-2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.7rem, 4.2vw, 2.9rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: #fff;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .68rem;
  letter-spacing: .3em;
  color: var(--c-cyan);
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, var(--c-violet), var(--c-blue));
}

/* ---------- 6. 按钮与标签 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: .62rem 1.06rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--c-mist);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .25s var(--ease), background-color .25s var(--ease),
              border-color .25s var(--ease), color .25s var(--ease), box-shadow .25s var(--ease);
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--grad-key);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 16px 34px -22px rgba(76, 43, 217, 1);
}

.btn-primary:hover { box-shadow: 0 24px 46px -20px rgba(47, 184, 255, .85); }

.btn-ghost {
  background: rgba(21, 16, 46, .62);
  border-color: var(--line-strong);
}

.btn-ghost:hover {
  background: rgba(47, 184, 255, .14);
  border-color: rgba(47, 184, 255, .62);
  color: #fff;
}

.btn-quiet {
  padding-inline: .4rem;
  border-color: transparent;
  color: var(--c-blue);
}

.btn-quiet:hover { color: var(--c-cyan); }

.btn-sm { padding: .48rem .88rem; font-size: .78rem; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(21, 16, 46, .62);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--c-muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid rgba(47, 184, 255, .3);
  border-radius: var(--r-xs);
  background: rgba(47, 184, 255, .13);
  color: var(--c-blue);
  font-size: .68rem;
  letter-spacing: .1em;
}

/* ---------- 7. 面板与卡片 ---------- */
.panel {
  position: relative;
  padding: clamp(18px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(155deg, rgba(21, 16, 46, .94), rgba(11, 16, 32, .88));
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: var(--grad-veil);
  opacity: .35;
}

.card {
  position: relative;
  padding: clamp(16px, 2.2vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(21, 16, 46, .92), rgba(11, 16, 32, .85));
  box-shadow: var(--shadow-1);
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 184, 255, .45);
  box-shadow: 0 30px 60px -34px rgba(47, 184, 255, .55);
}

/* ---------- 8. 面包屑 ---------- */
.crumbs { padding-block: clamp(14px, 2vw, 22px); }

.crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: .76rem;
  color: var(--c-muted);
}

.crumbs-item { display: inline-flex; align-items: center; gap: 8px; }

.crumbs-item + .crumbs-item::before {
  content: "/";
  color: rgba(138, 147, 184, .5);
}

.crumbs-link { color: var(--c-muted); transition: color .2s var(--ease); }
.crumbs-link:hover { color: var(--c-cyan); }
.crumbs-current { color: var(--c-mist); }

/* ---------- 9. 长文容器 ---------- */
.prose {
  max-width: 74ch;
  font-size: 1rem;
  line-height: 1.92;
  color: rgba(230, 234, 245, .88);
}

.prose > * + * { margin-top: 1.1em; }

.prose h2 {
  margin-top: 2.2em;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.72rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: #fff;
}

.prose h3 {
  margin-top: 1.8em;
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--c-mist);
}

.prose ul { list-style: none; }

.prose ul li { position: relative; padding-left: 20px; }
.prose ul li + li { margin-top: .5em; }

.prose ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .74em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--c-blue);
}

.prose a {
  color: var(--c-blue);
  text-decoration: underline;
  text-decoration-color: rgba(47, 184, 255, .42);
  text-underline-offset: 3px;
}

.prose a:hover { color: var(--c-cyan); }

.prose blockquote {
  padding: 14px 20px;
  border-left: 2px solid var(--c-violet);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(21, 16, 46, .72);
  color: var(--c-muted);
}

.prose code {
  padding: .15em .45em;
  border-radius: 4px;
  background: rgba(47, 184, 255, .13);
  color: var(--c-cyan);
  font-family: var(--font-num);
  font-size: .9em;
}

/* ---------- 10. 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(150deg, rgba(76, 43, 217, .38), rgba(11, 16, 32, .92) 62%);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.96) contrast(1.05);
  transition: transform .5s var(--ease);
}

.media-frame:hover img { transform: scale(1.03); }

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(180deg, rgba(11, 16, 32, .18) 0 1px, transparent 1px 3px);
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-caption {
  margin-top: 10px;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--c-muted);
}

/* ---------- 11. 显现钩子 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

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

/* ---------- 12. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: -120px;
  left: var(--gutter);
  z-index: 140;
  padding: .7rem 1.15rem;
  border-radius: var(--r-pill);
  background: var(--grad-key);
  color: #fff;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .06em;
  box-shadow: var(--shadow-2);
  transition: top .25s var(--ease);
}

.skip-link:focus-visible { top: 14px; }

/* ---------- 13. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  color: var(--c-mist);
  background: linear-gradient(180deg, rgba(11, 16, 32, .97), rgba(11, 16, 32, .88));
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px) saturate(140%);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(108, 59, 255, .78), rgba(47, 184, 255, .72), transparent);
  opacity: .85;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 3vw, 32px);
  padding-block: var(--header-pad);
}

.header-ident {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 22px);
  min-width: 0;
}

.header-utility {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  border-radius: var(--r-sm);
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: var(--grad-key);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: .02em;
  box-shadow: 0 12px 26px -14px rgba(76, 43, 217, .95), inset 0 0 0 1px rgba(230, 234, 245, .18);
}

.brand-text { display: flex; flex-direction: column; min-width: 0; }

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.28;
  letter-spacing: .01em;
  color: #fff;
}

.brand-line {
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--c-muted);
}

/* 状态芯片 */
.header-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px 6px 11px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, rgba(21, 16, 46, .9), rgba(11, 16, 32, .7));
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--c-muted);
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-green);
  animation: pulse-dot 2.4s var(--ease) infinite;
}

.status-label { color: var(--c-muted); }

.status-value {
  font-size: .78rem;
  color: var(--c-cyan);
  transition: color .3s var(--ease);
}

.header-status.is-pulse .status-value { color: var(--c-orange); }
.header-status.is-pulse .status-dot { background: var(--c-orange); }

@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(61, 220, 151, .55); }
  70% { box-shadow: 0 0 0 9px rgba(61, 220, 151, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 220, 151, 0); }
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: .55rem .9rem .55rem .72rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: rgba(21, 16, 46, .72);
  color: var(--c-mist);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
}

.nav-toggle-bars { display: grid; gap: 4px; width: 18px; }

.nav-toggle-bars i {
  display: block;
  height: 1.5px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-violet), var(--c-blue));
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}

.site-header[data-nav-open] .nav-toggle-bars i:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.site-header[data-nav-open] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
.site-header[data-nav-open] .nav-toggle-bars i:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.nav-toggle-text { white-space: nowrap; }

/* 栏节目录带 */
.site-nav {
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(90deg, rgba(21, 16, 46, .74), rgba(11, 16, 32, .5) 55%, rgba(21, 16, 46, .74));
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 2px;
}

.nav-item { display: flex; }

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  border-radius: var(--r-xs) var(--r-xs) 0 0;
  color: var(--c-muted);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .03em;
  transition: color .22s var(--ease), background-color .22s var(--ease);
}

.nav-index {
  font-size: .6rem;
  letter-spacing: .08em;
  color: rgba(138, 147, 184, .66);
  transform: translateY(-1px);
}

.nav-label { white-space: nowrap; }

.nav-link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-violet), var(--c-blue));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .28s var(--ease);
}

.nav-link:hover {
  color: var(--c-mist);
  background: linear-gradient(180deg, rgba(108, 59, 255, .16), rgba(108, 59, 255, 0));
}

.nav-link:hover::after { transform: scaleX(1); }
.nav-link:hover .nav-index { color: var(--c-cyan); }

.nav-link[aria-current="page"] {
  color: #fff;
  background: linear-gradient(180deg, rgba(108, 59, 255, .3), rgba(47, 184, 255, .07));
}

.nav-link[aria-current="page"]::after { transform: scaleX(1); }
.nav-link[aria-current="page"] .nav-index { color: var(--c-orange); }

.nav-meta {
  font-size: .6rem;
  letter-spacing: .32em;
  color: rgba(138, 147, 184, .58);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  white-space: nowrap;
  align-self: center;
}

/* 滚动进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(138, 147, 184, .14);
  overflow: hidden;
}

.scroll-progress-bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--c-violet), var(--c-blue) 55%, var(--c-cyan));
  transition: width .12s linear;
}

/* ---------- 14. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  border-top: 1px solid var(--line);
  color: var(--c-mist);
  background:
    radial-gradient(70% 120% at 6% 0%, rgba(108, 59, 255, .22), transparent 62%),
    radial-gradient(62% 110% at 100% 18%, rgba(47, 184, 255, .16), transparent 66%),
    linear-gradient(180deg, #0E1330, #080B18);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-violet), var(--c-blue) 38%, var(--c-cyan) 68%, var(--c-orange));
  opacity: .78;
}

.footer-inner { padding-block: clamp(34px, 6vw, 68px) 0; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(24px, 4vw, 48px);
}

.footer-ident {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.footer-kicker {
  font-size: .68rem;
  letter-spacing: .3em;
  color: var(--c-cyan);
}

.footer-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.footer-col-title {
  position: relative;
  padding-left: 15px;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .22em;
  color: var(--c-muted);
}

.footer-col-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--grad-key);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-link {
  display: inline-block;
  font-size: .88rem;
  color: var(--c-mist);
  opacity: .82;
  transition: color .2s var(--ease), opacity .2s var(--ease), transform .2s var(--ease);
}

.footer-link:hover {
  color: #fff;
  opacity: 1;
  transform: translateX(3px);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: .85rem;
}

.footer-contact li {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.contact-label {
  font-size: .64rem;
  letter-spacing: .2em;
  color: var(--c-muted);
}

.contact-value {
  color: var(--c-mist);
  line-height: 1.65;
  word-break: break-word;
}

.footer-note {
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--c-muted);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
  margin-top: clamp(28px, 4vw, 46px);
  padding-block: 18px 26px;
  border-top: 1px solid var(--line-soft);
  font-size: .74rem;
  color: var(--c-muted);
}

.footer-icp { letter-spacing: .04em; }
.footer-copy { margin-left: auto; }

/* ---------- 15. 响应式 ---------- */
@media (max-width: 1080px) {
  .nav-meta { display: none; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-grid .footer-col:last-child { grid-column: 1 / -1; }
  .footer-grid .footer-col:last-child .footer-contact { flex-direction: row; flex-wrap: wrap; gap: 14px 32px; }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .site-nav { display: none; }
  .site-nav[data-open] {
    display: block;
    animation: nav-in .28s var(--ease);
  }

  .nav-inner { padding-block: 6px 14px; }

  .nav-list { flex-direction: column; width: 100%; gap: 0; }
  .nav-item { width: 100%; }

  .nav-link {
    width: 100%;
    padding: 14px 6px;
    border-bottom: 1px dashed var(--line-soft);
    border-radius: 0;
    font-size: .95rem;
  }

  .nav-link::after {
    left: 0;
    right: auto;
    top: 0;
    bottom: 0;
    width: 3px;
    height: 100%;
    transform: scaleY(0);
    transform-origin: top;
  }

  .nav-link:hover::after,
  .nav-link[aria-current="page"]::after { transform: scaleY(1); }

  .nav-link[aria-current="page"] {
    background: linear-gradient(90deg, rgba(108, 59, 255, .24), transparent);
  }

  @keyframes nav-in {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: none; }
  }
}

@media (max-width: 760px) {
  .header-status { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid .footer-col:last-child { grid-column: 1 / -1; }
  .footer-copy { margin-left: 0; }
}

@media (max-width: 560px) {
  body { font-size: 15.5px; }
  .brand-line { font-size: .64rem; letter-spacing: .06em; }
  .brand-mark { width: 38px; height: 38px; font-size: 1.05rem; }
  .nav-toggle-text { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid .footer-col:last-child .footer-contact { flex-direction: column; gap: 10px; }
  .display-1 { letter-spacing: -.02em; }
}

/* ---------- 16. 减少动态偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  [data-reveal] { opacity: 1; transform: none; }
  .card:hover { transform: none; }
  .btn:hover { transform: none; }
  .footer-link:hover { transform: none; }
  .media-frame:hover img { transform: none; }
}