/* ============================================================
   博万体育网页版 · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 头部 / 页脚 / 基础组件
   ============================================================ */

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

:root {
  --ink: #0B1622;
  --panel-deep: #16232F;
  --panel-raised: #22313E;
  --rock: #6C7885;
  --moss: #46654F;
  --clay: #B4663E;
  --paper: #F1EBDF;
  --cyan: #3FE0CE;
  --orange: #FF7A2F;
  --mist: #B9C4CE;
  --focus: #7FF3E4;

  --line: rgba(108, 120, 133, 0.42);
  --line-soft: rgba(108, 120, 133, 0.22);
  --ink-line: rgba(11, 22, 34, 0.16);
  --on-paper: #14212D;
  --on-paper-soft: #5D6B77;

  --shell: 1320px;
  --gutter: clamp(16px, 3.2vw, 44px);
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 9px;

  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, "Times New Roman", serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; }
[hidden] { display: none !important; }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

h1, h2, h3, h4 { margin: 0; color: var(--paper); font-weight: 700; line-height: 1.28; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
table { border-collapse: collapse; }

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

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---------------- 跳转链接 ---------------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 16px;
  z-index: 300;
  padding: 11px 18px;
  background: var(--cyan);
  color: var(--ink);
  font-weight: 700;
  font-size: 14px;
  border-radius: 999px;
  transform: translateY(-190%);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: translateY(0); text-decoration: none; }

/* ============================================================
   头部 · 浮岛胶囊
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  padding: clamp(10px, 1.4vw, 18px) var(--gutter) clamp(8px, 1vw, 12px);
  background: rgba(11, 22, 34, 0.95);
  border-bottom: 1px solid var(--line-soft);
}

.header-shell {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.4vw, 22px);
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 9px clamp(12px, 1.4vw, 20px);
  background: var(--panel-deep);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: max-width 0.3s var(--ease), background-color 0.3s var(--ease), border-color 0.3s var(--ease), border-radius 0.3s var(--ease);
}

.site-header[data-shrunk] .header-shell {
  max-width: 980px;
  background: var(--panel-raised);
  border-color: rgba(63, 224, 206, 0.24);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--paper);
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex: none;
}
.brand:hover { text-decoration: none; color: var(--paper); }

.brand__chip {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(63, 224, 206, 0.14);
  flex: none;
}
.brand__text { font-size: 15px; }

/* 主导航 */
.nav { margin-inline: auto; }

.nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav__link {
  display: inline-block;
  padding: 8px 13px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  color: var(--mist);
  white-space: nowrap;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.nav__link:hover {
  color: var(--paper);
  background: rgba(185, 196, 206, 0.08);
  text-decoration: none;
}
.nav__link[aria-current="page"] {
  color: var(--cyan);
  border-color: rgba(63, 224, 206, 0.5);
  background: rgba(63, 224, 206, 0.07);
}

/* 轮次信息格 */
.header-meta {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: none;
  margin: 0;
  padding-left: clamp(10px, 1.2vw, 18px);
  border-left: 1px solid var(--line);
  font-family: var(--font-mono);
  line-height: 1.35;
}
.header-meta__round { font-size: 12px; color: var(--mist); }
.header-meta__round b { color: var(--cyan); font-weight: 600; letter-spacing: 0.02em; }
.header-meta__time { font-size: 10.5px; color: var(--rock); }

/* 三级工具入口 */
.header-tools { display: flex; gap: 6px; flex: none; }
.header-tools a {
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  color: var(--mist);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.header-tools a:hover {
  color: var(--cyan);
  border-color: rgba(63, 224, 206, 0.5);
  text-decoration: none;
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  flex: none;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.06em;
}
.nav-toggle__bars { position: relative; display: inline-block; width: 16px; height: 10px; }
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform 0.2s var(--ease);
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { bottom: 0; }

.site-header[data-open] .nav-toggle__bars::before { transform: translateY(4.25px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bars::after { transform: translateY(-4.25px) rotate(-45deg); }

/* 面包屑 */
.crumb-bar {
  max-width: var(--shell);
  margin: clamp(6px, 0.9vw, 12px) auto 0;
}
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--rock);
}
.crumb a { color: var(--rock); }
.crumb a:hover { color: var(--cyan); text-decoration: none; }
.crumb__sep { color: rgba(108, 120, 133, 0.7); }
.crumb [aria-current="page"] { color: var(--mist); }

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  margin-top: clamp(60px, 9vw, 120px);
  background: var(--ink);
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(34px, 5vw, 64px) var(--gutter) clamp(18px, 2.4vw, 26px);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(250px, 1.6fr) repeat(3, minmax(130px, 1fr));
  gap: clamp(24px, 3.4vw, 56px);
}

.footer-brand .brand { margin-bottom: 0; }

.footer-tagline {
  margin: 16px 0 0;
  max-width: 32ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--rock);
}

.footer-stamp {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--rock);
}

.footer-col__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--rock);
  text-transform: uppercase;
}

.footer-col ul { display: grid; gap: 9px; }
.footer-col a { font-size: 14px; color: var(--mist); }
.footer-col a:hover { color: var(--cyan); text-decoration: none; }

.footer-contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: clamp(14px, 2vw, 30px);
  margin-top: clamp(28px, 4vw, 48px);
  padding-top: clamp(20px, 2.6vw, 30px);
  border-top: 1px solid var(--line-soft);
}

.footer-contact__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--rock);
  text-transform: uppercase;
}

.footer-contact__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--paper);
  word-break: break-all;
}
.footer-contact__value--wide {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
  word-break: normal;
}
.footer-contact__cell--wide { grid-column: 1 / -1; }

.footer-response {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 12.5px;
  color: var(--rock);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 22px;
  margin-top: clamp(22px, 3vw, 34px);
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--rock);
}
.footer-bottom p { margin: 0; }
.footer-icp { color: var(--mist); letter-spacing: 0.04em; }

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

.section { padding-block: clamp(40px, 6vw, 84px); }
.breath { height: clamp(48px, 8vw, 118px); }

/* 呼吸留白断点：让高密度索引之间固定松一口气 */
.section--tight { padding-block: clamp(24px, 3.6vw, 48px); }

/* ============================================================
   面板（堆叠画板）
   ============================================================ */
.panel {
  position: relative;
  background: var(--panel-deep);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 2.6vw, 36px);
}
.panel--raised { background: var(--panel-raised); }
.panel--paper {
  background: var(--paper);
  border-color: var(--ink-line);
  color: var(--on-paper);
}
.panel--paper h1,
.panel--paper h2,
.panel--paper h3,
.panel--paper h4 { color: var(--on-paper); }
.panel--paper a { color: #1F6B64; }
.panel--paper .scope,
.panel--paper .note { color: var(--on-paper-soft); }

/* ============================================================
   排版组件
   ============================================================ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--rock);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--cyan);
  flex: none;
}

.serif-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(30px, 5vw, 64px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.module-title {
  font-size: clamp(18px, 2vw, 26px);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.lede {
  max-width: 34em;
  font-size: clamp(15px, 1.4vw, 17.5px);
  line-height: 1.78;
  color: var(--mist);
  margin: 0;
}

.display-num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(64px, 13vw, 190px);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 0;
}
.display-num--cyan { color: var(--cyan); }
.display-num--orange { color: var(--orange); }

.scope {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--rock);
}

.note {
  max-width: 68ch;
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--rock);
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--paper);
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease), transform 0.18s var(--ease);
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn--signal { background: var(--orange); border-color: var(--orange); color: #1B0D04; }
.btn--signal:hover { background: #FF8B48; border-color: #FF8B48; color: #1B0D04; }
.btn--cyan { border-color: rgba(63, 224, 206, 0.6); color: var(--cyan); }
.btn--cyan:hover { background: rgba(63, 224, 206, 0.1); }
.btn--quiet { border-color: transparent; color: var(--mist); padding-inline: 14px; }
.btn--quiet:hover { background: rgba(185, 196, 206, 0.08); color: var(--paper); }

/* ============================================================
   标签
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
  white-space: nowrap;
}
.tag--cyan { background: var(--cyan); border-color: var(--cyan); color: #0D2A26; }
.tag--orange { background: var(--orange); border-color: var(--orange); color: #2A1005; }
.tag--moss { background: var(--moss); border-color: var(--moss); color: var(--paper); }
.tag--clay { background: var(--clay); border-color: var(--clay); color: #1A0C05; }
.tag--ghost { background: transparent; }

/* ============================================================
   高密度索引列表
   ============================================================ */
.index-list { border-top: 1px solid var(--line); }

.index-list__item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr) auto;
  gap: clamp(10px, 2vw, 22px);
  align-items: baseline;
  padding: 14px 6px;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 0.18s var(--ease);
}
.index-list__item:hover { background: rgba(63, 224, 206, 0.05); }

.index-list__stamp {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--rock);
  white-space: nowrap;
}
.index-list__title { font-size: 15.5px; color: var(--paper); }
.index-list__title a { color: inherit; }
.index-list__meta { font-size: 12px; color: var(--rock); white-space: nowrap; }

/* ============================================================
   细线表格
   ============================================================ */
.table-scroll {
  overflow-x: auto;
  overscroll-behavior-x: contain;
  border-radius: var(--radius-md);
}
.table-scroll::-webkit-scrollbar { height: 6px; }
.table-scroll::-webkit-scrollbar-thumb { background: var(--line); border-radius: 99px; }

.table-thin {
  width: 100%;
  min-width: 540px;
  font-size: 14px;
}
.table-thin caption {
  padding-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--rock);
  text-align: left;
}
.table-thin th,
.table-thin td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: baseline;
}
.table-thin thead th {
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--rock);
  text-transform: uppercase;
  white-space: nowrap;
}
.table-thin tbody tr { transition: background-color 0.16s var(--ease); }
.table-thin tbody tr:hover { background: rgba(63, 224, 206, 0.05); }
.table-thin td .num,
.table-thin td.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--paper); }

/* ============================================================
   横向主题带
   ============================================================ */
.rail {
  display: flex;
  gap: clamp(12px, 1.6vw, 20px);
  padding: 4px 4px 18px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  cursor: grab;
  scrollbar-color: var(--rock) transparent;
}
.rail::-webkit-scrollbar { height: 6px; }
.rail::-webkit-scrollbar-track { background: transparent; }
.rail::-webkit-scrollbar-thumb { background: var(--line); border-radius: 99px; }
.rail[data-dragging] { cursor: grabbing; scroll-snap-type: none; }
.rail > * { flex: 0 0 clamp(240px, 26vw, 340px); scroll-snap-align: start; }

.mini-card {
  background: var(--panel-deep);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px;
}

/* ============================================================
   轮次时间轴
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 20px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: var(--line);
}
.timeline__item {
  position: relative;
  padding: 8px 0 8px 4px;
  font-size: 13.5px;
  color: var(--rock);
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: -19px;
  top: 15px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--rock);
}
.timeline__item[aria-current="true"] { color: var(--paper); }
.timeline__item[aria-current="true"]::before {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(63, 224, 206, 0.16);
}

/* ============================================================
   档位仪表
   ============================================================ */
.meter {
  display: flex;
  gap: 3px;
  height: 12px;
  margin-block: 10px;
}
.meter__seg {
  position: relative;
  flex: 1;
  border: 1px solid var(--line-soft);
  border-radius: 3px;
  background: var(--panel-raised);
  cursor: help;
}
.meter__seg[data-tone="steady"] { background: var(--moss); border-color: var(--moss); }
.meter__seg[data-tone="watch"] { background: var(--clay); border-color: var(--clay); }
.meter__seg[data-tone="alert"] { background: var(--orange); border-color: var(--orange); }
.meter__seg[data-tone="current"] { background: var(--cyan); border-color: var(--cyan); }
.meter__seg::after {
  content: attr(data-scope);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translateX(-50%);
  z-index: 6;
  padding: 6px 11px;
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--paper);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.16s var(--ease);
}
.meter__seg:hover::after,
.meter__seg:focus-visible::after { opacity: 1; visibility: visible; }

/* ============================================================
   技能树式服务路径
   ============================================================ */
.path {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(12px, 2vw, 22px);
  counter-reset: path-step;
}
.path__step {
  position: relative;
  flex: 1 1 200px;
  padding: 18px 20px 20px 22px;
  background: var(--panel-deep);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.path__step::before {
  counter-increment: path-step;
  content: "0" counter(path-step);
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

/* ============================================================
   图片容器（战术网格叠层）
   ============================================================ */
.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-raised);
}
.media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(63, 224, 206, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63, 224, 206, 0.07) 1px, transparent 1px);
  background-size: 34px 34px;
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }

.media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 12px 16px;
  background: rgba(11, 22, 34, 0.86);
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ============================================================
   网格
   ============================================================ */
.grid { display: grid; gap: clamp(14px, 2vw, 26px); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(178px, 1fr)); }

/* ============================================================
   长文阅读区
   ============================================================ */
.prose {
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.82;
}
.prose h2 {
  margin: 1.6em 0 0.5em;
  font-size: clamp(20px, 2.2vw, 26px);
  letter-spacing: 0.04em;
}
.prose h3 {
  margin: 1.4em 0 0.4em;
  font-size: 18px;
  letter-spacing: 0.04em;
}
.prose ul,
.prose ol { padding-left: 1.35em; margin: 0 0 1.2em; }
.prose ul { list-style: square; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.45em; }
.prose strong { color: var(--paper); }
.panel--paper .prose strong { color: var(--on-paper); }

/* ============================================================
   滚动显现
   ============================================================ */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease);
  transition-delay: calc(var(--stagger, 0) * 50ms);
}
.js [data-reveal][data-shown] {
  opacity: 1;
  transform: none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1180px) {
  .header-tools { display: none; }
  .nav__link { padding: 8px 11px; font-size: 13.5px; }
}

@media (max-width: 900px) {
  .site-header { padding-inline: 12px; }

  .header-shell {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 20px;
  }
  .site-header[data-shrunk] .header-shell {
    max-width: var(--shell);
    border-radius: 20px;
  }

  .brand { margin-right: auto; }
  .brand__text { font-size: 14px; }

  .header-meta { display: none; }
  .nav-toggle { display: inline-flex; }

  .nav {
    display: none;
    order: 10;
    flex-basis: 100%;
    margin: 4px 0 2px;
    padding-top: 10px;
    border-top: 1px solid var(--line-soft);
  }
  .nav[data-open] { display: block; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav__link { display: block; padding: 12px 14px; border-radius: 12px; font-size: 15px; }

  .crumb-bar { margin-top: 8px; }

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-tagline { max-width: 46ch; }
}

@media (max-width: 620px) {
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-contact { grid-template-columns: 1fr; }
  .index-list__item {
    grid-template-columns: 78px minmax(0, 1fr);
    row-gap: 4px;
  }
  .index-list__meta { grid-column: 2; }
}

/* ============================================================
   动效降级
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .rail { scroll-snap-type: none; }
  .btn:hover { transform: none; }
}