/* ==========================================================================
   必威体育网 · 共享站点样式 /assets/site.css
   高原夜赛记分牌：深蓝看台 + 湖青数据 + 油菜花黄编号 + 荧光橙红入口
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 8rem;
}

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

ul, ol { padding: 0; }
ul:not([class]), ol:not([class]) { padding-left: 1.3rem; }

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

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

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }

[hidden] { display: none !important; }

/* --------------------------------------------------------------------------
   2. 设计令牌
   -------------------------------------------------------------------------- */
:root {
  /* 色彩 */
  --c-night: #0B1B33;
  --c-night-2: #12294A;
  --c-night-3: #0d2140;
  --c-lake: #22C3C9;
  --c-lake-soft: #A7F3F0;
  --c-rapeseed: #F5C542;
  --c-flare: #FF5A36;
  --c-paper: #F7F1E3;
  --c-ink: #1A120B;
  --c-fog: #8FA6C4;
  --c-alert: #B23A2A;

  /* 字体 */
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system,
    "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono",
    "Roboto Mono", Menlo, Consolas, monospace;

  /* 字号梯级 12 / 14 / 18 / 24 / 32 / 48 / 72 / 112 */
  --t-12: 0.75rem;
  --t-14: 0.875rem;
  --t-18: 1.125rem;
  --t-24: 1.5rem;
  --t-32: 2rem;
  --t-48: 3rem;
  --t-72: 4.5rem;
  --t-112: 7rem;

  /* 间距 */
  --sp-1: 0.35rem;
  --sp-2: 0.7rem;
  --sp-3: 1rem;
  --sp-4: 1.6rem;
  --sp-5: 2.5rem;
  --sp-6: 4rem;
  --sp-7: 6rem;

  /* 版式 */
  --shell: min(1320px, 100% - 2.5rem);
  --radius: 14px;
  --radius-lg: 22px;
  --hair: 1px solid rgba(143, 166, 196, 0.22);
  --hair-lake: 1px solid rgba(34, 195, 201, 0.34);

  /* 层 */
  --z-nav: 120;
  --z-skip: 200;
}

@media (max-width: 720px) {
  :root { --shell: min(1320px, 100% - 1.75rem); }
}

/* --------------------------------------------------------------------------
   3. 基础排版 · 夜赛背景
   -------------------------------------------------------------------------- */
body {
  min-height: 100vh;
  overflow-x: hidden;
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.0625rem);
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0.012em;
  color: var(--c-paper);
  background-color: var(--c-night);
  background-image:
    repeating-linear-gradient(90deg, rgba(143, 166, 196, 0.055) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(143, 166, 196, 0.042) 0 1px, transparent 1px 88px),
    radial-gradient(1100px 560px at 88% -12%, rgba(34, 195, 201, 0.18), transparent 68%),
    radial-gradient(880px 520px at 2% 4%, rgba(255, 90, 54, 0.12), transparent 66%),
    linear-gradient(180deg, #0B1B33 0%, #0d2140 52%, #0B1B33 100%);
  background-attachment: scroll, scroll, scroll, scroll, scroll;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.012em;
  text-wrap: balance;
  overflow-wrap: break-word;
}

h1 { font-size: clamp(2.5rem, 6.2vw, var(--t-72)); }
h2 { font-size: clamp(1.75rem, 3.8vw, var(--t-48)); }
h3 { font-size: clamp(1.25rem, 2.2vw, var(--t-24)); line-height: 1.32; }
h4 { font-size: var(--t-18); line-height: 1.45; }
h5 { font-size: var(--t-14); letter-spacing: 0.14em; }

p { overflow-wrap: break-word; }

strong, b { font-weight: 700; color: var(--c-rapeseed); }

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

::selection {
  background: var(--c-lake);
  color: var(--c-ink);
}

/* --------------------------------------------------------------------------
   4. 布局工具
   -------------------------------------------------------------------------- */
.container {
  width: var(--shell);
  margin-inline: auto;
}

.container--narrow {
  width: min(72ch, 100% - 2.5rem);
  margin-inline: auto;
}

.stack > * + * { margin-top: var(--sp-3); }

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
}

.grid {
  display: grid;
  gap: clamp(1rem, 2.2vw, 1.75rem);
}
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.section {
  padding-block: clamp(2.75rem, 6vw, 5.25rem);
}

.section--night2 {
  background: rgba(18, 41, 74, 0.72);
  border-block: 1px solid rgba(143, 166, 196, 0.18);
}

.section--paper {
  background: var(--c-paper);
  color: var(--c-ink);
  border-radius: clamp(0px, 2vw, var(--radius-lg));
  box-shadow: 0 40px 80px -60px rgba(0, 0, 0, 0.9);
}
.section--paper h2,
.section--paper h3,
.section--paper h4 { color: var(--c-ink); }
.section--paper strong,
.section--paper b { color: var(--c-alert); }
.section--paper :focus-visible { outline-color: var(--c-alert); }

/* --------------------------------------------------------------------------
   5. 顶部命令栏
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: linear-gradient(180deg, rgba(18, 41, 74, 0.97) 0%, rgba(11, 27, 51, 0.94) 100%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid rgba(34, 195, 201, 0.28);
  box-shadow: 0 24px 48px -36px rgba(0, 0, 0, 0.95);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-header { background: var(--c-night-2); }
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0;
  z-index: var(--z-skip);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.55rem 1.15rem;
  border-radius: 0 0 12px 12px;
  background: var(--c-rapeseed);
  color: var(--c-ink);
  font-size: var(--t-14);
  font-weight: 800;
  letter-spacing: 0.04em;
  transform: translateY(-130%);
  transition: transform 0.18s ease;
}
.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  outline-offset: -4px;
}

.cmdbar__inner {
  width: var(--shell);
  margin-inline: auto;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  padding-block: 0.6rem;
}

/* 品牌单元 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 48px;
  padding-block: 0.15rem;
}

.brand__mark {
  display: grid;
  grid-template-columns: repeat(3, 4px);
  align-items: end;
  gap: 3px;
  width: 28px;
  height: 28px;
  padding: 4px;
  border-radius: 8px;
  background: linear-gradient(155deg, var(--c-lake) 0%, var(--c-rapeseed) 100%);
  box-shadow: inset 0 0 0 1px rgba(247, 241, 227, 0.28);
}
.brand__mark i {
  display: block;
  background: var(--c-night);
  border-radius: 1px;
}
.brand__mark i:nth-child(1) { height: 40%; }
.brand__mark i:nth-child(2) { height: 100%; }
.brand__mark i:nth-child(3) { height: 64%; }

.brand__text {
  display: grid;
  gap: 0.1rem;
  line-height: 1.15;
}
.brand__name {
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--c-paper);
}
.brand__line {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--c-fog);
}

/* 状态提示 */
.cmdbar__meta {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.07em;
  color: var(--c-fog);
}
.cmdbar__meta::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-lake);
  box-shadow: 0 0 0 4px rgba(34, 195, 201, 0.16);
}

/* 操作区 */
.cmdbar__actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

/* --------------------------------------------------------------------------
   6. 按钮
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 48px;
  padding: 0.62rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: var(--t-14);
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: transform 0.18s ease, box-shadow 0.18s ease,
    background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--pulse {
  background: var(--c-flare);
  color: var(--c-ink);
  animation: pulseRing 2.8s ease-out infinite;
}

.btn--ghost {
  background: rgba(247, 241, 227, 0.05);
  border-color: rgba(247, 241, 227, 0.3);
  color: var(--c-paper);
}
.btn--ghost:hover {
  border-color: var(--c-lake);
  color: var(--c-lake-soft);
  background: rgba(34, 195, 201, 0.1);
}

.btn--lake {
  background: var(--c-lake);
  color: var(--c-ink);
}

@keyframes pulseRing {
  0%   { box-shadow: 0 0 0 0 rgba(255, 90, 54, 0.5); }
  70%  { box-shadow: 0 0 0 12px rgba(255, 90, 54, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 90, 54, 0); }
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.5rem 0.85rem;
  border: 1px solid rgba(247, 241, 227, 0.3);
  border-radius: 12px;
  font-size: var(--t-14);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--c-paper);
}
.nav-toggle__bars {
  display: grid;
  gap: 4px;
  width: 20px;
}
.nav-toggle__bars i {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--c-paper);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle__label { line-height: 1; }

.site-header[data-open="true"] .nav-toggle__bars i:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(2) {
  opacity: 0;
}
.site-header[data-open="true"] .nav-toggle__bars i:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* --------------------------------------------------------------------------
   7. 主导航
   -------------------------------------------------------------------------- */
.nav {
  width: var(--shell);
  margin-inline: auto;
  border-top: 1px solid rgba(143, 166, 196, 0.16);
}

.nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.1rem;
  list-style: none;
}

.nav__item { display: flex; min-width: 0; }

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.45rem 0.85rem;
  border-bottom: 2px solid transparent;
  font-size: var(--t-14);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: rgba(247, 241, 227, 0.78);
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}
.nav__link:hover {
  color: var(--c-lake-soft);
  border-bottom-color: rgba(34, 195, 201, 0.55);
}

.nav__idx {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--c-fog);
  transition: color 0.18s ease;
}

.nav__link[aria-current="page"] {
  color: var(--c-paper);
  border-bottom-color: var(--c-lake);
}
.nav__link[aria-current="page"] .nav__idx { color: var(--c-rapeseed); }

/* 第三项：脱离常规菜单的荧光悬浮标签 */
.nav__link--float {
  margin-inline: 0.45rem;
  padding-inline: 1rem;
  border: 0;
  border-radius: 999px;
  background: var(--c-flare);
  color: var(--c-ink);
  transform: translateY(-1px);
  animation: floatPulse 2.8s ease-out infinite;
}
.nav__link--float .nav__idx { color: rgba(26, 18, 11, 0.62); }
.nav__link--float:hover {
  background: #ff7350;
  color: var(--c-ink);
  border-bottom-color: transparent;
}
.nav__link--float:hover .nav__idx { color: rgba(26, 18, 11, 0.62); }
.nav__link--float[aria-current="page"] {
  border-bottom-color: transparent;
  box-shadow: inset 0 0 0 2px var(--c-night);
}
.nav__link--float[aria-current="page"] .nav__idx { color: rgba(26, 18, 11, 0.62); }

@keyframes floatPulse {
  0%   { box-shadow: 0 6px 18px -8px rgba(255, 90, 54, 0.85), 0 0 0 0 rgba(255, 90, 54, 0.45); }
  70%  { box-shadow: 0 6px 18px -8px rgba(255, 90, 54, 0.85), 0 0 0 10px rgba(255, 90, 54, 0); }
  100% { box-shadow: 0 6px 18px -8px rgba(255, 90, 54, 0.85), 0 0 0 0 rgba(255, 90, 54, 0); }
}

/* 由 JS 注入的滚动进度条 */
.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  display: block;
  width: 0;
  height: 2px;
  pointer-events: none;
  background: linear-gradient(90deg, var(--c-lake) 0%, var(--c-rapeseed) 62%, var(--c-flare) 100%);
  box-shadow: 0 0 12px rgba(34, 195, 201, 0.7);
  transition: width 0.12s linear;
}

/* --------------------------------------------------------------------------
   8. 页脚
   -------------------------------------------------------------------------- */
.site-footer {
  position: relative;
  margin-top: clamp(3.5rem, 8vw, 6.5rem);
  overflow: hidden;
  color: var(--c-paper);
  background: linear-gradient(180deg, rgba(18, 41, 74, 0.98) 0%, rgba(11, 27, 51, 1) 100%);
  border-top: 1px solid rgba(34, 195, 201, 0.26);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    115deg,
    rgba(34, 195, 201, 0.07) 0 1px,
    transparent 1px 72px
  );
  opacity: 0.75;
}
.site-footer::after {
  content: "";
  position: absolute;
  inset: auto -12% -62% 38%;
  height: 320px;
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(245, 197, 66, 0.2), transparent 72%);
}

.footer__inner {
  position: relative;
  z-index: 1;
  width: var(--shell);
  margin-inline: auto;
  padding-block: clamp(2.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: minmax(260px, 1.05fr) minmax(0, 2fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: start;
}

.footer__brand .brand__name { font-size: 1.1rem; }

.footer__tagline {
  margin-top: 1rem;
  max-width: 30ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: rgba(247, 241, 227, 0.78);
}

.footer__contact {
  margin-top: 1.15rem;
  display: grid;
  gap: 0.3rem;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.03em;
  line-height: 1.8;
  color: var(--c-fog);
}

.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 2rem);
}

.footer__col { min-width: 0; }

.footer__col-title {
  font-size: var(--t-12);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-lake);
}

.footer__links {
  display: grid;
  gap: 0.1rem;
  margin-top: 0.65rem;
  list-style: none;
}

.footer__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.9375rem;
  color: rgba(247, 241, 227, 0.8);
  transition: color 0.18s ease;
}
.footer__link:hover,
.footer__link:focus-visible { color: var(--c-rapeseed); }

.footer__bottom {
  position: relative;
  z-index: 1;
  width: var(--shell);
  margin-inline: auto;
  padding-block: 1.1rem 1.6rem;
  border-top: 1px solid rgba(143, 166, 196, 0.18);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.05em;
  color: var(--c-fog);
}

.footer__bottom-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.1rem;
  list-style: none;
}
.footer__bottom-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  transition: color 0.18s ease;
}
.footer__bottom-links a:hover,
.footer__bottom-links a:focus-visible { color: var(--c-lake-soft); }

.footer__legal { margin: 0; }

/* --------------------------------------------------------------------------
   9. 通用内容组件
   -------------------------------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-lake);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--c-rapeseed);
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  font-weight: 700;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.7rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: var(--t-12);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.7;
  white-space: nowrap;
}
.tag--lake {
  background: rgba(34, 195, 201, 0.16);
  border-color: rgba(34, 195, 201, 0.55);
  color: var(--c-lake-soft);
}
.tag--rapeseed {
  background: var(--c-rapeseed);
  color: var(--c-ink);
}
.tag--flare {
  background: var(--c-flare);
  color: var(--c-ink);
}
.tag--alert {
  background: rgba(178, 58, 42, 0.18);
  border-color: rgba(178, 58, 42, 0.7);
  color: #ffd9d2;
}

.card {
  position: relative;
  padding: clamp(1rem, 2vw, 1.6rem);
  border: var(--hair);
  border-radius: var(--radius);
  background: rgba(18, 41, 74, 0.7);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.card:hover,
.card:focus-within {
  transform: translateY(-2px);
  border-color: rgba(34, 195, 201, 0.6);
  box-shadow: 0 22px 48px -30px rgba(34, 195, 201, 0.85);
}

.card--glass {
  background: rgba(11, 27, 51, 0.55);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  backdrop-filter: blur(10px) saturate(140%);
  border-color: rgba(167, 243, 240, 0.24);
}

.card--paper {
  background: var(--c-paper);
  color: var(--c-ink);
  border-color: rgba(26, 18, 11, 0.12);
  box-shadow: 0 26px 50px -40px rgba(0, 0, 0, 0.85);
}
.card--paper h3,
.card--paper h4 { color: var(--c-ink); }
.card--paper strong,
.card--paper b { color: var(--c-alert); }

/* 面包屑 */
.breadcrumb {
  width: var(--shell);
  margin: 1.15rem auto 0;
}
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.09em;
  color: var(--c-fog);
}
.breadcrumb__list li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.breadcrumb__list li::after {
  content: "/";
  color: rgba(143, 166, 196, 0.45);
}
.breadcrumb__list li:last-child::after { content: ""; }
.breadcrumb__list a:hover { color: var(--c-lake-soft); }
.breadcrumb__list [aria-current="page"] { color: var(--c-rapeseed); }

/* 长文 */
.prose {
  max-width: 68ch;
  font-size: var(--t-18);
  line-height: 1.85;
}
.prose > * + * { margin-top: 1.2em; }
.prose h2 {
  margin-top: 2.2em;
  font-size: clamp(1.5rem, 2.6vw, var(--t-32));
}
.prose h3 { margin-top: 1.8em; }
.prose ul,
.prose ol { padding-left: 1.4rem; }
.prose li + li { margin-top: 0.4em; }
.prose a {
  color: var(--c-lake);
  border-bottom: 1px solid rgba(34, 195, 201, 0.5);
}
.prose a:hover { color: var(--c-lake-soft); }
.section--paper .prose a { color: var(--c-alert); }

/* 响应式图片容器基础 */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  isolation: isolate;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(143, 166, 196, 0.25);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, rgba(34, 195, 201, 0.22) 0%, rgba(11, 27, 51, 0.92) 62%),
    var(--c-night-2);
}
.media-frame img,
.media-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 46%;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, rgba(11, 27, 51, 0.66) 100%);
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--portrait { aspect-ratio: 3 / 4; }
.media-frame--bleed {
  border-radius: 0;
  border-inline: 0;
}

.media-frame__tag {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: var(--c-rapeseed);
  color: var(--c-ink);
  font-family: var(--font-mono);
  font-size: var(--t-12);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.media-frame__caption {
  position: absolute;
  left: 0.95rem;
  right: 0.95rem;
  bottom: 0.9rem;
  z-index: 2;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: rgba(247, 241, 227, 0.88);
}

/* --------------------------------------------------------------------------
   10. 动效 · 显现协议
   -------------------------------------------------------------------------- */
[data-reveal] {
  transition:
    opacity 0.6s cubic-bezier(0.2, 0.7, 0.3, 1),
    transform 0.6s cubic-bezier(0.2, 0.7, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal][data-reveal-armed]:not(.is-visible) {
  opacity: 0;
  transform: translateY(14px);
}

/* --------------------------------------------------------------------------
   11. 响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .brand__line { display: none; }
  .cmdbar__meta { display: none; }
}

@media (max-width: 880px) {
  .cmdbar__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    padding-block: 0.5rem;
  }
  .cmdbar__actions .btn { display: none; }
  .nav-toggle { display: inline-flex; }

  .nav { display: none; padding-bottom: 0.4rem; }
  .site-header[data-open="true"] .nav { display: block; }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0.15rem;
    padding-block: 0.5rem;
    list-style: none;
  }
  .nav__item { display: block; }
  .nav__link {
    width: 100%;
    justify-content: flex-start;
    min-height: 48px;
    padding-inline: 0.85rem;
    border-bottom: 0;
    border-left: 2px solid transparent;
    border-radius: 10px;
    background: rgba(247, 241, 227, 0.035);
  }
  .nav__link:hover {
    border-bottom-color: transparent;
    border-left-color: rgba(34, 195, 201, 0.55);
  }
  .nav__link[aria-current="page"] {
    border-bottom-color: transparent;
    border-left-color: var(--c-lake);
    background: rgba(34, 195, 201, 0.1);
  }
  .nav__link--float {
    margin: 0.45rem 0;
    justify-content: center;
    transform: none;
    border-left-color: transparent;
  }
  .nav__link--float:hover,
  .nav__link--float[aria-current="page"] { border-left-color: transparent; }

  .footer__inner { grid-template-columns: minmax(0, 1fr); }
  .footer__cols { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
}

@media (max-width: 720px) {
  .section { padding-block: clamp(2.25rem, 8vw, 3.5rem); }
  .card { padding: 1rem; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .prose { font-size: 1.0625rem; }
}

@media (max-width: 480px) {
  .brand__name { font-size: 0.9375rem; }
  .brand__mark { width: 24px; height: 24px; padding: 3px; grid-template-columns: repeat(3, 3px); }
  .btn { padding-inline: 0.9rem; font-size: 0.8125rem; }
  .nav-toggle { padding-inline: 0.7rem; }
  .nav-toggle__label { display: none; }
}

/* --------------------------------------------------------------------------
   12. 减弱动效
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  [data-reveal],
  [data-reveal][data-reveal-armed]:not(.is-visible) {
    opacity: 1 !important;
    transform: none !important;
  }

  .btn--pulse,
  .nav__link--float { animation: none !important; }

  .btn:hover,
  .card:hover,
  .card:focus-within { transform: none !important; }

  .skip-link { transition: none; }
}