/* ==========================================================================
   2026体育 · 共享站点样式 /assets/site.css
   夜间赛场仪表盘：堆叠切角面板 + 悬浮胶囊导航 + 奶油编辑插页
   ========================================================================== */

:root {
  --indigo-900: #0B1230;
  --indigo-850: #090E26;
  --indigo-800: #0F1738;
  --indigo-700: #18234E;
  --indigo-600: #1F2C5C;
  --cream: #F4E9D2;
  --ink: #1B1410;
  --mint: #37F3C1;
  --orange: #FF7A1A;
  --red: #FF4D3D;
  --mist: #8C99C4;
  --paper: #D8FFF1;
  --brown: #5C4534;

  --text: #E7ECFA;
  --text-dim: #A9B4D6;

  --font-display: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC",
    "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: var(--font-display);
  --font-serif: "Songti SC", "Source Han Serif SC", "Noto Serif SC", Georgia,
    "Times New Roman", serif;
  --font-mono: ui-monospace, "SF Mono", "JetBrains Mono", "Roboto Mono", Menlo,
    Consolas, monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  --shell: 1280px;
  --gutter: clamp(16px, 4vw, 48px);
  --notch: 22px;

  --shadow-panel: 0 18px 44px rgba(3, 7, 22, 0.42);
}

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

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

body {
  margin: 0;
  background-color: var(--indigo-900);
  background-image:
    radial-gradient(80% 60% at 88% -8%, rgba(55, 243, 193, 0.08), transparent 62%),
    radial-gradient(70% 50% at 4% 6%, rgba(255, 122, 26, 0.07), transparent 60%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--paper);
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--mint); text-decoration: none; }
button { font: inherit; color: inherit; }
figure { margin: 0; }

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

::selection {
  background: var(--mint);
  color: #04120E;
}

#main-content { scroll-margin-top: 96px; }

/* ---------- skip link ---------- */
.skip-link {
  position: absolute;
  left: 14px;
  top: -90px;
  z-index: 200;
  display: inline-block;
  padding: 11px 20px;
  border-radius: 8px;
  background: var(--mint);
  color: #04120E;
  font-weight: 800;
  font-size: 14px;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 12px; }

/* ==========================================================================
   头部
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  padding: 10px clamp(14px, 3vw, 34px) 12px;
  background: linear-gradient(
    180deg,
    rgba(9, 14, 38, 0.97) 0%,
    rgba(11, 18, 48, 0.9) 60%,
    rgba(11, 18, 48, 0.78) 100%
  );
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(140, 153, 196, 0.14);
  transition: background-color 0.24s ease, border-color 0.24s ease;
}
.site-header.is-condensed {
  background: rgba(9, 14, 38, 0.97);
  border-bottom-color: rgba(55, 243, 193, 0.28);
}

.header-inner {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  min-height: 54px;
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 24px);
}

/* 品牌 */
.brand {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "bar mark"
    "bar sub";
  column-gap: 10px;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}
.brand::before {
  grid-area: bar;
  content: "";
  width: 4px;
  min-height: 36px;
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--mint) 0%, rgba(55, 243, 193, 0.05) 100%);
  transform: skewX(-16deg);
}
.brand-mark {
  grid-area: mark;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper);
  white-space: nowrap;
}
.brand-sub {
  grid-area: sub;
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--mist);
  white-space: nowrap;
}

/* 悬浮胶囊导航 */
.nav-capsule {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  margin-inline: auto;
  padding: 5px 8px 5px 9px;
  border-radius: var(--radius-pill);
  background: rgba(24, 35, 78, 0.82);
  border: 1px solid rgba(140, 153, 196, 0.26);
  box-shadow: 0 14px 34px rgba(2, 6, 20, 0.38);
}
.nav-capsule::before {
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 2px;
  margin-right: 6px;
  background: linear-gradient(180deg, var(--mint), var(--orange));
  transform: skewX(-14deg);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-item { display: block; }

.nav-link {
  display: block;
  padding: 9px 13px;
  border-radius: var(--radius-pill);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #BAC5E8;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}
.nav-link:hover {
  background: rgba(55, 243, 193, 0.1);
  color: var(--paper);
}
.nav-link[aria-current="page"] {
  background: rgba(55, 243, 193, 0.14);
  color: var(--mint);
  box-shadow: inset 0 0 0 1px rgba(55, 243, 193, 0.5);
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-left: 4px;
  padding: 0 10px 0 12px;
  border-left: 1px solid rgba(140, 153, 196, 0.22);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--mist);
  white-space: nowrap;
}
.nav-status-text { line-height: 1; }

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(55, 243, 193, 0.18);
  flex-shrink: 0;
}
.status-dot--live {
  background: var(--red);
  box-shadow: 0 0 0 3px rgba(255, 77, 61, 0.2);
}

/* 右侧动作区 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex-shrink: 0;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(140, 153, 196, 0.35);
  background: rgba(24, 35, 78, 0.8);
  color: var(--paper);
  font-size: 12px;
  letter-spacing: 0.12em;
  cursor: pointer;
}
.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 16px;
}
.nav-toggle-bars i {
  display: block;
  height: 2px;
  width: 16px;
  border-radius: 2px;
  background: var(--mint);
  transition: transform 0.2s ease, width 0.2s ease;
}
.nav-toggle-bars i:last-child { width: 11px; }
.nav-toggle.is-active .nav-toggle-bars i:first-child {
  transform: translateY(3px) rotate(45deg);
}
.nav-toggle.is-active .nav-toggle-bars i:last-child {
  width: 16px;
  transform: translateY(-3px) rotate(-45deg);
}

/* 滚动进度轨 */
.scroll-rail {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: rgba(140, 153, 196, 0.14);
  pointer-events: none;
}
.scroll-rail-fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--mint) 0%, var(--orange) 100%);
}

/* ==========================================================================
   通用按钮
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease,
    border-color 0.18s ease, transform 0.18s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--orange);
  color: #1B0C00;
  border-color: var(--orange);
}
.btn-primary:hover {
  background: #FF9046;
  border-color: #FF9046;
  color: #140800;
}

.btn-ghost {
  background: transparent;
  border-color: rgba(140, 153, 196, 0.42);
  color: var(--paper);
}
.btn-ghost:hover {
  border-color: var(--mint);
  color: var(--mint);
  background: rgba(55, 243, 193, 0.08);
}

.btn-sm {
  padding: 8px 15px;
  font-size: 13px;
}

/* ==========================================================================
   页面骨架
   ========================================================================== */
.page-shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-inline: var(--gutter);
}
.content-wrap {
  max-width: 860px;
  margin-inline: auto;
}

.section { padding-block: clamp(40px, 6vw, 88px); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: clamp(20px, 3vw, 36px);
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mint);
}
.section-kicker::before {
  content: "";
  width: 16px;
  height: 2px;
  background: var(--mint);
  transform: skewX(-24deg);
}

.section-title {
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 800;
  color: var(--paper);
}
.section-lede {
  max-width: 62ch;
  margin-top: 10px;
  font-size: 15.5px;
  color: var(--text-dim);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.rule {
  height: 1px;
  border: 0;
  margin-block: clamp(20px, 3vw, 34px);
  background: linear-gradient(
    90deg,
    var(--brown) 0%,
    rgba(140, 153, 196, 0.28) 42%,
    transparent 100%
  );
}

/* ==========================================================================
   面板
   ========================================================================== */
.panel {
  position: relative;
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--indigo-700);
  border: 1px solid rgba(140, 153, 196, 0.16);
  border-radius: var(--radius-md);
  clip-path: polygon(
    0 0,
    calc(100% - var(--notch)) 0,
    100% var(--notch),
    100% 100%,
    var(--notch) 100%,
    0 calc(100% - var(--notch))
  );
  box-shadow: var(--shadow-panel);
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(140, 153, 196, 0.2);
}
.panel-title {
  font-size: clamp(17px, 1.8vw, 21px);
  color: var(--paper);
}
.panel-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* 奶油编辑插页 */
.panel-cream {
  background: var(--cream);
  color: var(--ink);
  border: 1px solid rgba(92, 69, 52, 0.4);
  border-radius: var(--radius-sm);
  box-shadow: 0 16px 40px rgba(3, 7, 22, 0.36);
  clip-path: none;
  padding: clamp(20px, 3vw, 40px);
}
.panel-cream h1,
.panel-cream h2,
.panel-cream h3,
.panel-cream h4 { color: var(--ink); }
.panel-cream a { color: #A33F00; text-decoration: underline; text-underline-offset: 3px; }
.panel-cream a:hover { color: var(--ink); }
.panel-cream .eyebrow,
.panel-cream .section-kicker { color: var(--brown); }
.panel-cream .panel-head { border-bottom-color: rgba(92, 69, 52, 0.35); }
.panel-cream .panel-meta { color: var(--brown); }

/* ==========================================================================
   图片容器
   ========================================================================== */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  width: 100%;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(140deg, #16204A 0%, #0A0F26 62%, #131B3E 100%);
  border: 1px solid rgba(140, 153, 196, 0.18);
  clip-path: polygon(
    0 0,
    calc(100% - 18px) 0,
    100% 18px,
    100% 100%,
    0 100%
  );
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    200deg,
    rgba(55, 243, 193, 0.16) 0%,
    transparent 42%,
    rgba(11, 18, 48, 0.5) 100%
  );
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }

.media-caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ==========================================================================
   标签 / 状态
   ========================================================================== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(140, 153, 196, 0.35);
  background: rgba(24, 35, 78, 0.62);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.tag--mint { background: var(--mint); border-color: var(--mint); color: #04120E; }
.tag--orange { background: var(--orange); border-color: var(--orange); color: #1B0C00; }
.tag--red { background: var(--red); border-color: var(--red); color: #220402; }
.tag--cream { background: var(--cream); border-color: var(--brown); color: var(--ink); }

/* ==========================================================================
   筛选器
   ========================================================================== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(140, 153, 196, 0.32);
  background: rgba(24, 35, 78, 0.62);
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease,
    background-color 0.18s ease;
}
.filter-chip:hover { color: var(--paper); border-color: rgba(55, 243, 193, 0.4); }
.filter-chip[aria-pressed="true"] {
  border-color: var(--mint);
  color: var(--mint);
  background: rgba(55, 243, 193, 0.1);
  box-shadow: inset 0 0 0 1px rgba(55, 243, 193, 0.4);
}
.filter-count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--mist);
}
.is-hidden { display: none !important; }

/* ==========================================================================
   索引列表
   ========================================================================== */
.index-list {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(140, 153, 196, 0.2);
}
.index-item { border-bottom: 1px solid rgba(140, 153, 196, 0.16); }
.index-link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding: 14px 4px;
  color: var(--text);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.18s ease, padding-left 0.18s ease;
}
.index-link:hover {
  color: var(--mint);
  padding-left: 10px;
}

/* ==========================================================================
   网格
   ========================================================================== */
.grid {
  display: grid;
  gap: clamp(14px, 2vw, 26px);
}
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 26px);
}
.col-rail { grid-column: span 4; min-width: 0; }
.col-main { grid-column: span 8; min-width: 0; }
.col-full { grid-column: 1 / -1; min-width: 0; }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: clamp(16px, 3vw, 40px);
  align-items: start;
}

.stack > * + * { margin-top: var(--stack-gap, 16px); }

/* ==========================================================================
   面包屑
   ========================================================================== */
.breadcrumbs { margin-bottom: 18px; }
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: var(--mist);
}
.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: rgba(140, 153, 196, 0.6);
}
.breadcrumb-link {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.18s ease;
}
.breadcrumb-link:hover { color: var(--mint); }
.breadcrumb-current { color: var(--paper); }

/* ==========================================================================
   工具类
   ========================================================================== */
.mono { font-family: var(--font-mono); }
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.01em;
}
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 入场协议 */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 110px);
  padding-top: clamp(40px, 6vw, 72px);
  background:
    radial-gradient(100% 70% at 10% 0%, rgba(55, 243, 193, 0.08), transparent 64%),
    radial-gradient(80% 60% at 92% 4%, rgba(255, 122, 26, 0.07), transparent 62%),
    var(--indigo-850);
  border-top: 1px solid rgba(140, 153, 196, 0.18);
  color: var(--text-dim);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--mint) 0%, var(--orange) 55%, transparent 100%);
}

.footer-top {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(32px, 5vw, 56px);
  display: grid;
  grid-template-columns: 1.15fr 1.5fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.footer-brand { min-width: 0; }
.footer-mark {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper);
}
.footer-mark::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 18px;
  margin-right: 10px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--mint), var(--orange));
  transform: skewX(-16deg) translateY(2px);
}
.footer-intro {
  margin-top: 14px;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}
.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(140, 153, 196, 0.28);
  background: rgba(24, 35, 78, 0.6);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2.5vw, 30px);
  min-width: 0;
}
.footer-col { min-width: 0; }
.footer-col-title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}
.footer-list {
  display: grid;
  gap: 8px;
}
.footer-link {
  display: inline-block;
  font-size: 14px;
  color: #CBD5F0;
  text-decoration: none;
  transition: color 0.18s ease, transform 0.18s ease;
}
.footer-link:hover {
  color: var(--mint);
  transform: translateX(3px);
}

.footer-contact { min-width: 0; }
.footer-contact-list {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-contact-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 8px;
  align-items: start;
  font-size: 13.5px;
  line-height: 1.65;
}
.contact-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mint);
  padding-top: 2px;
}
.contact-value {
  color: #CBD5F0;
  overflow-wrap: anywhere;
}
.footer-note {
  padding-top: 12px;
  border-top: 1px solid rgba(140, 153, 196, 0.2);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.footer-bottom {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 18px var(--gutter) 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  border-top: 1px solid rgba(140, 153, 196, 0.18);
}
.footer-legal {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
  overflow-wrap: anywhere;
}
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 1120px) {
  .nav-status { display: none; }
  .nav-link { padding: 9px 11px; font-size: 13px; }
}

@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; }
  .split { grid-template-columns: minmax(0, 1fr); }
  .col-rail,
  .col-main { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .site-header {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: rgba(9, 14, 38, 0.97);
  }
  .header-inner { min-height: 48px; }
  .brand-mark { font-size: 17px; }
  .brand-sub { font-size: 10px; letter-spacing: 0.14em; }
  .header-cta { display: none; }
  .nav-toggle { display: inline-flex; }

  .nav-capsule {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 14px;
    top: auto;
    margin: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 12px;
    border-radius: var(--radius-lg);
    background: rgba(14, 21, 52, 0.98);
    border-color: rgba(55, 243, 193, 0.22);
    box-shadow: 0 -18px 48px rgba(0, 0, 0, 0.6);
    transform: translateY(calc(100% + 28px));
    opacity: 0;
    visibility: hidden;
    z-index: 90;
    transition: transform 0.3s cubic-bezier(0.3, 0.9, 0.3, 1), opacity 0.24s ease,
      visibility 0.3s ease;
  }
  .nav-capsule[data-open="true"] {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  .nav-capsule::before { display: none; }

  .nav-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }
  .nav-link {
    padding: 12px 10px;
    border-radius: var(--radius-md);
    text-align: center;
    background: rgba(24, 35, 78, 0.82);
    border: 1px solid rgba(140, 153, 196, 0.18);
    font-size: 14px;
  }
  .nav-link[aria-current="page"] { border-color: var(--mint); }

  .nav-status {
    display: flex;
    margin-left: 0;
    padding: 10px 2px 2px;
    border-left: 0;
    border-top: 1px solid rgba(140, 153, 196, 0.22);
    justify-content: center;
  }
}

@media (max-width: 720px) {
  body { font-size: 15px; }
  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .footer-top { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-legal-links { gap: 14px; }
  .panel { --notch: 16px; }
}

@media (max-width: 480px) {
  .footer-cols { grid-template-columns: 1fr; }
  .brand-sub { display: none; }
  .filter-chip { padding: 7px 13px; font-size: 12.5px; }
}

/* ==========================================================================
   动效降级
   ========================================================================== */
@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;
  }
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  .nav-capsule { transition: none !important; }
  .scroll-rail-fill { transition: none !important; }
}