/* ==========================================================================
   新利LUCK体育档案 · 共享样式表 /assets/site.css
   结构：变量 → 重置与排版 → 版心与网格 → 通用组件 → 头部框架 → 页脚 → 响应式 → 动效降级
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  /* 品牌色 */
  --turf-deep: #14683C;
  --turf-bright: #2E9E60;
  --whistle: #FFD24A;
  --whistle-soft: #FFF0BE;
  --board-navy: #0E2A47;
  --penalty-red: #D93A34;
  --data-teal: #12B5A6;
  --offside-white: #FBFAF5;
  --line-grey: #C9D2CC;
  --ink: #101418;
  --ink-soft: #3C4741;
  --ink-mute: #6B776F;

  /* 框架尺寸 */
  --topbar-h: 64px;
  --rail-w: 76px;
  --gutter: clamp(18px, 3vw, 40px);
  --content-max: 1280px;

  /* 形状 */
  --radius-card: 28px;
  --radius-md: 18px;
  --radius-pill: 999px;

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

  /* 动效 */
  --ease: cubic-bezier(.22, .61, .36, 1);
  --t-fast: 160ms;
  --t-base: 200ms;
  --shadow-card: 0 14px 30px -24px rgba(14, 42, 71, .6);
}

/* ---------- 2. 重置与中文排版 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + 20px);
}

body {
  margin: 0;
  padding-top: var(--topbar-h);
  padding-left: var(--rail-w);
  background-color: var(--offside-white);
  background-image:
    linear-gradient(to right, rgba(20, 104, 60, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20, 104, 60, .055) 1px, transparent 1px);
  background-size: 120px 120px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.85;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 .6em;
  font-family: var(--font-sans);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.01em;
}

h1 {
  font-size: clamp(38px, 6vw, 84px);
  line-height: 1.06;
  letter-spacing: -.025em;
  margin-bottom: .4em;
}

h2 { font-size: clamp(26px, 3.4vw, 42px); }
h3 { font-size: clamp(20px, 2.2vw, 28px); font-weight: 700; }
h4 { font-size: 18px; font-weight: 700; }

p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--turf-deep);
  text-decoration-color: rgba(20, 104, 60, .4);
  text-underline-offset: 3px;
}
a:hover { text-decoration-color: currentColor; }

strong, b { font-weight: 700; }
ul, ol { margin: 0 0 1.05em; padding-left: 1.2em; }
li { margin-bottom: .4em; }

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

::selection { background: var(--whistle); color: var(--board-navy); }

#main-content {
  display: block;
  scroll-margin-top: calc(var(--topbar-h) + 16px);
}

/* ---------- 3. 版心与网格 ---------- */
.content-wrap {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.content-wrap--wide { max-width: 1360px; }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}

.grid-12 > * { min-width: 0; }

.mono {
  font-family: var(--font-mono);
  font-size: .92em;
  letter-spacing: .02em;
}

.num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.25em;
  letter-spacing: -.01em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 4. 通用组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--turf-deep);
}

.eyebrow::before {
  content: "";
  flex: none;
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--whistle);
}

.lead {
  max-width: 680px;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.8;
  color: var(--ink-soft);
}

.prose {
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
}

.prose p,
.prose ul,
.prose ol { max-width: 680px; }
.prose h2 { margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }
.prose strong { color: var(--turf-deep); }

.prose blockquote {
  max-width: 680px;
  margin: 1.6em 0;
  padding: 16px 24px;
  border-left: 4px solid var(--whistle);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--whistle-soft);
}

.prose blockquote p { max-width: none; margin: 0; }

/* 编号章节块 */
.section-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: clamp(26px, 4vw, 48px);
}

.section-head__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(44px, 7vw, 92px);
  line-height: .92;
  letter-spacing: -.04em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.section-head__rule {
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: var(--whistle);
}

.section-head__title {
  margin: 0;
  font-size: clamp(23px, 3vw, 36px);
  font-weight: 900;
  letter-spacing: -.02em;
}

.section-head__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* 竖排注释条 */
.note-vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* 胶囊 */
.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border: 1px solid var(--line-grey);
  border-radius: var(--radius-pill);
  background: #fff;
  color: var(--board-navy);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .03em;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}

.pill:hover,
.pill:focus-visible {
  background: var(--whistle);
  border-color: var(--whistle);
  color: var(--board-navy);
}

.pill.is-active,
.pill[aria-pressed="true"] {
  background: var(--whistle);
  border-color: var(--whistle);
  color: var(--board-navy);
  font-weight: 700;
}

.pill__num {
  font-family: var(--font-mono);
  font-size: 12px;
  opacity: .72;
}

/* 档案卡 */
.card {
  position: relative;
  padding: clamp(22px, 2.6vw, 34px);
  border: 1px solid var(--line-grey);
  border-radius: var(--radius-card);
  background: #fff;
  transition:
    border-color var(--t-base) var(--ease),
    transform var(--t-base) var(--ease),
    box-shadow var(--t-base) var(--ease);
}

.card:hover {
  border-color: var(--turf-bright);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--turf-deep);
}

.card__title {
  margin: 10px 0 12px;
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 700;
  line-height: 1.35;
}

.card__text {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 术语与图例带 */
.term-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line-grey);
  border-bottom: 1px solid var(--line-grey);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* 图片容器 */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(20, 104, 60, .24);
  border-radius: var(--radius-card);
  background: linear-gradient(150deg, var(--board-navy), var(--turf-deep));
  aspect-ratio: 16 / 10;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(251, 250, 245, .08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(251, 250, 245, .08) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  max-width: calc(100% - 28px);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(14, 42, 71, .84);
  color: var(--offside-white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
}

.media-frame--field { aspect-ratio: 4 / 3; }
.media-frame--portrait { aspect-ratio: 3 / 4; }
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }

/* 斜切数据块 */
.slant-block {
  position: relative;
  padding: clamp(22px, 3vw, 38px);
  border-radius: var(--radius-card);
  background: var(--board-navy);
  color: var(--offside-white);
  transform: rotate(-1.4deg);
  box-shadow: var(--shadow-card);
}

.slant-block--turf { background: var(--turf-deep); }
.slant-block--whistle { background: var(--whistle); color: var(--board-navy); }

/* 数据表 */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  background: #fff;
}

.data-table caption {
  padding-bottom: 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.data-table th,
.data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line-grey);
  vertical-align: top;
}

.data-table thead th {
  position: sticky;
  top: var(--topbar-h);
  z-index: 2;
  background: var(--board-navy);
  color: var(--offside-white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
}

.data-table tbody tr:nth-child(even) { background: var(--whistle-soft); }

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 34px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.breadcrumb li { margin: 0; }

.breadcrumb li + li::before {
  content: "/";
  margin-inline-end: 8px;
  color: var(--line-grey);
}

.breadcrumb a { color: var(--turf-deep); text-decoration: none; }
.breadcrumb a:hover,
.breadcrumb a:focus-visible { background: var(--whistle); color: var(--board-navy); }

/* 显现 */
html[data-js="on"] [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}

html[data-js="on"] [data-reveal="in"] {
  opacity: 1;
  transform: none;
}

html[data-js="on"] .section-head__num[data-reveal] {
  color: var(--line-grey);
  transition:
    opacity 420ms var(--ease),
    transform 420ms var(--ease),
    color 520ms var(--ease);
}

html[data-js="on"] .section-head__num[data-reveal="in"] { color: var(--ink); }

/* ---------- 5. 按钮 ---------- */
.btn {
  --btn-bg: var(--whistle);
  --btn-fg: var(--board-navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease);
}

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

.btn--whistle { --btn-bg: var(--whistle); --btn-fg: var(--board-navy); }
.btn--whistle:hover { --btn-bg: var(--whistle-soft); }

.btn--turf { --btn-bg: var(--turf-deep); --btn-fg: var(--offside-white); }
.btn--turf:hover { --btn-bg: var(--turf-bright); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--offside-white);
  border-color: rgba(251, 250, 245, .42);
}
.btn--ghost:hover {
  --btn-bg: var(--whistle);
  --btn-fg: var(--board-navy);
  border-color: var(--whistle);
}

.btn--sm { padding: 8px 16px; font-size: 13px; }

/* ---------- 6. 头部框架 ---------- */
.site-header { position: relative; }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  background: var(--whistle);
  color: var(--board-navy);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform var(--t-fast) var(--ease);
}

.skip-link:focus-visible { transform: translateY(0); }

/* 顶栏 */
.site-topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  height: var(--topbar-h);
  padding: 0 clamp(14px, 2.4vw, 28px);
  background: var(--turf-deep);
  border-bottom: 1px solid rgba(251, 250, 245, .16);
  color: var(--offside-white);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
  color: inherit;
  text-decoration: none;
}

.brand__mark {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(255, 210, 74, .72);
  border-radius: 9px;
  background:
    radial-gradient(circle at 50% 50%, var(--whistle) 0 3.5px, transparent 3.5px),
    linear-gradient(135deg, var(--turf-bright), var(--turf-deep));
}

.brand__mark::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 5px;
  height: 1px;
  background: rgba(251, 250, 245, .55);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.16;
}

.brand__name {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: .02em;
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .2em;
  color: rgba(251, 250, 245, .6);
}

.status-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(251, 250, 245, .78);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-line__dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--whistle);
  box-shadow: 0 0 0 4px rgba(255, 210, 74, .18);
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 16px 9px 13px;
  border: 1px solid rgba(251, 250, 245, .42);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--offside-white);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  cursor: pointer;
  transition:
    background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}

.nav-toggle__bars {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 16px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--t-base) var(--ease), opacity var(--t-base) var(--ease);
}

.nav-toggle__text { line-height: 1; }

.nav-toggle[aria-expanded="true"] {
  background: var(--whistle);
  border-color: var(--whistle);
  color: var(--board-navy);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------- 7. 竖排导航轨道 ---------- */
.site-rail {
  position: fixed;
  top: var(--topbar-h);
  left: 0;
  bottom: 0;
  z-index: 70;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: var(--rail-w);
  padding: clamp(20px, 6vh, 60px) 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: none;
  background: var(--offside-white);
  border-right: 1px solid var(--line-grey);
}

.site-rail::-webkit-scrollbar { width: 0; height: 0; }

.rail-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(6px, 1.2vh, 16px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.rail-nav li { margin: 0; }

.rail-link {
  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 12px;
  border-radius: var(--radius-pill);
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .16em;
  text-decoration: none;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transition: color var(--t-fast) var(--ease);
}

.rail-link::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: var(--whistle);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--t-fast) var(--ease);
}

.rail-link:hover,
.rail-link:focus-visible { color: var(--board-navy); }

.rail-link:hover::before,
.rail-link:focus-visible::before { transform: scaleY(1); }

.rail-link__idx {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: var(--line-grey);
  text-orientation: upright;
  transition: color var(--t-fast) var(--ease);
}

.rail-link:hover .rail-link__idx,
.rail-link:focus-visible .rail-link__idx { color: var(--board-navy); }

.rail-link__label { white-space: nowrap; }

.rail-link[aria-current="page"] {
  background: var(--whistle);
  color: var(--board-navy);
  font-weight: 900;
}

.rail-link[aria-current="page"] .rail-link__idx { color: var(--board-navy); }

/* 抽屉遮罩 */
.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 75;
  background: rgba(14, 42, 71, .55);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base) var(--ease);
}

.nav-scrim[data-open] {
  opacity: 1;
  pointer-events: auto;
}

/* ---------- 8. 页脚 ---------- */
.site-footer {
  position: relative;
  margin: clamp(64px, 9vw, 130px) 0 0 calc(-1 * var(--rail-w));
  padding: clamp(44px, 5.5vw, 78px) var(--gutter) 0 calc(var(--rail-w) + var(--gutter));
  overflow: hidden;
  background: var(--board-navy);
  color: rgba(251, 250, 245, .86);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(46, 158, 96, .22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(46, 158, 96, .22) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: .55;
  pointer-events: none;
}

.site-footer::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--whistle) 0 32%, var(--turf-bright) 32% 100%);
}

.footer__inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-max);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: clamp(28px, 3.4vw, 56px);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.footer__mark {
  width: 30px;
  height: 30px;
  border: 1px solid rgba(255, 210, 74, .7);
  border-radius: 10px;
  background:
    radial-gradient(circle at 50% 50%, var(--whistle) 0 4px, transparent 4px),
    linear-gradient(135deg, var(--turf-bright), var(--turf-deep));
}

.footer__brand-name {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .02em;
  color: var(--offside-white);
}

.footer__brand-note {
  margin: 0;
  max-width: 22em;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(251, 250, 245, .62);
}

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding: 9px 18px;
  border: 1px solid rgba(251, 250, 245, .28);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--offside-white);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  cursor: pointer;
  transition:
    background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}

.to-top:hover,
.to-top:focus-visible {
  background: var(--whistle);
  border-color: var(--whistle);
  color: var(--board-navy);
}

.to-top__arrow { font-family: var(--font-mono); font-size: 14px; }

.footer__col { min-width: 0; }

.footer__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 18px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--offside-white);
}

.footer__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--whistle);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__links li { margin: 0; }

.footer__links a {
  position: relative;
  display: inline-block;
  color: rgba(251, 250, 245, .74);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.footer__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--whistle);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--t-fast) var(--ease);
}

.footer__links a:hover,
.footer__links a:focus-visible { color: var(--whistle); }

.footer__links a:hover::after,
.footer__links a:focus-visible::after { transform: scaleX(1); }

.footer__contact {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  padding-top: clamp(24px, 3vw, 36px);
  border-top: 1px solid rgba(251, 250, 245, .16);
}

.footer__contact-item { min-width: 0; }

.footer__contact-label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(251, 250, 245, .5);
}

.footer__contact-value {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--offside-white);
  word-break: break-word;
}

.footer__note {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(251, 250, 245, .58);
}

.footer__legal {
  position: relative;
  z-index: 1;
  max-width: var(--content-max);
  margin: clamp(30px, 4vw, 54px) auto 0;
  padding: 20px 0 28px;
  border-top: 1px solid rgba(251, 250, 245, .14);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(251, 250, 245, .5);
}

.footer__legal-item { margin: 0; }

/* ---------- 9. 响应式 ---------- */
@media (max-width: 1080px) {
  .footer__inner { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 920px) {
  :root { --rail-w: 0px; }

  .nav-toggle { display: inline-flex; }

  .site-rail {
    top: var(--topbar-h);
    z-index: 78;
    width: min(82vw, 320px);
    align-items: stretch;
    justify-content: flex-start;
    padding: 26px 20px 40px;
    background: var(--turf-deep);
    border-right: 1px solid var(--turf-bright);
    box-shadow: 30px 0 70px -40px rgba(14, 42, 71, .9);
    transform: translateX(-104%);
    transition: transform 220ms var(--ease);
  }

  .site-rail[data-open] { transform: translateX(0); }

  .rail-nav {
    width: 100%;
    align-items: stretch;
    gap: 6px;
  }

  .rail-link {
    writing-mode: horizontal-tb;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 13px 16px;
    border-radius: 16px;
    color: var(--offside-white);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: .05em;
  }

  .rail-link::before { display: none; }

  .rail-link__idx {
    flex: none;
    min-width: 26px;
    font-size: 12px;
    text-orientation: mixed;
    color: rgba(251, 250, 245, .52);
  }

  .rail-link:hover,
  .rail-link:focus-visible {
    background: var(--whistle);
    color: var(--board-navy);
  }

  .rail-link:hover .rail-link__idx,
  .rail-link:focus-visible .rail-link__idx { color: var(--board-navy); }

  .rail-link[aria-current="page"] {
    background: var(--whistle);
    color: var(--board-navy);
  }

  .rail-link[aria-current="page"] .rail-link__idx { color: var(--board-navy); }

  .footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__contact { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 18px; }
}

@media (max-width: 720px) {
  .status-line { display: none; }
}

@media (max-width: 640px) {
  :root { --topbar-h: 58px; }

  body { font-size: 16.5px; }

  .brand__sub { display: none; }
  .topbar__cta { display: none; }

  .footer__inner { grid-template-columns: 1fr; }
  .footer__contact { grid-template-columns: 1fr; }

  .grid-12 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }

  .data-table th,
  .data-table td { padding: 10px 12px; }
}

/* ---------- 10. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  html[data-js="on"] [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  html[data-js="on"] .section-head__num[data-reveal] { color: var(--ink) !important; }

  .skip-link { transition: none; }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
}