/* ============================================================
   多宝体育赛事 · 共享外壳样式 /assets/site.css
   藏蓝夜幕 · 石青结构 · 朱砂收藏 · 琥珀数据 · 6° 斜切
   ============================================================ */

/* ---------- 变量 ---------- */
:root {
  color-scheme: dark;

  --c-night: #0A1A2F;
  --c-deep: #123A4A;
  --c-azurite: #1F7A8C;
  --c-azurite-soft: #4FA3B5;
  --c-cinnabar: #C8382B;
  --c-amber: #E0A33E;
  --c-dune: #EFE3CE;
  --c-paper: #FBF6EC;
  --c-ink: #14181D;
  --c-sand: #8C97A3;
  --c-danxia: #A8502F;

  --page-bg: #0A1A2F;
  --page-fg: #FBF6EC;
  --page-fg-soft: #A9BCCB;
  --page-line: rgba(79, 163, 181, 0.30);
  --page-line-strong: rgba(79, 163, 181, 0.52);
  --page-glow-a: rgba(31, 122, 140, 0.16);
  --page-glow-b: rgba(200, 56, 43, 0.09);

  --header-bg: #0A1A2F;
  --footer-bg: #08131F;
  --chrome-bg: rgba(18, 58, 74, 0.42);
  --drawer-bg: #123A4A;
  --drawer-fg: #EFE3CE;
  --drawer-fg-soft: #A9BCCB;

  --card-bg: #FBF6EC;
  --card-fg: #14181D;
  --card-fg-soft: #5C6670;
  --card-line: rgba(20, 24, 29, 0.14);

  --shadow: 0 2px 6px rgba(10, 26, 47, 0.12);
  --shadow-2: 0 10px 26px rgba(6, 16, 28, 0.35);
  --cut: 6deg;
  --rail: 220px;
  --maxw: 1280px;
  --pad: 24px;
  --gap: 24px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --font-head: "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "HarmonyOS Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, "SFMono-Regular", Consolas, "Courier New", monospace;
}

:root[data-theme="light"] {
  color-scheme: light;
  --page-bg: #EFE3CE;
  --page-fg: #14181D;
  --page-fg-soft: #556069;
  --page-line: rgba(31, 122, 140, 0.26);
  --page-line-strong: rgba(31, 122, 140, 0.46);
  --page-glow-a: rgba(224, 163, 62, 0.22);
  --page-glow-b: rgba(31, 122, 140, 0.10);
  --header-bg: #FBF6EC;
  --footer-bg: #EFE3CE;
  --chrome-bg: rgba(31, 122, 140, 0.10);
  --card-bg: #FBF6EC;
  --card-line: rgba(20, 24, 29, 0.16);
  --shadow: 0 2px 6px rgba(20, 24, 29, 0.10);
  --shadow-2: 0 10px 26px rgba(20, 24, 29, 0.16);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 112px; }
html, body { margin: 0; padding: 0; }
body {
  background-color: var(--page-bg);
  background-image: linear-gradient(158deg, var(--page-glow-a), transparent 44%, var(--page-glow-b));
  background-attachment: fixed;
  color: var(--page-fg);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.01em;
  min-height: 100vh;
}
body.is-locked { overflow: hidden; }
img, svg, video { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0 0 1em; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
dl, dt, dd { margin: 0; }
main { display: block; }
#main-content { scroll-margin-top: 112px; }

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.16;
  color: var(--page-fg);
  margin: 0 0 0.55em;
  text-wrap: pretty;
}
h1 { font-size: clamp(30px, 4.6vw, 52px); line-height: 1.08; }
h2 { font-size: clamp(24px, 3.2vw, 34px); line-height: 1.18; }
h3 { font-size: clamp(20px, 2.2vw, 24px); line-height: 1.3; }
h4 { font-size: 18px; line-height: 1.4; }
strong { font-weight: 800; }
.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 布局基元 ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.section { padding: 72px 0; }
.section--tight { padding: 44px 0; }
.section--night { background: var(--c-night); }
.section--paper,
.section--dune {
  --page-fg: #14181D;
  --page-fg-soft: #5C6670;
  --page-line: rgba(20, 24, 29, 0.16);
  --page-line-strong: rgba(20, 24, 29, 0.32);
  --card-line: rgba(20, 24, 29, 0.18);
  color: var(--c-ink);
}
.section--paper { background: var(--c-paper); }
.section--dune { background: var(--c-dune); }
.grid { display: grid; gap: var(--gap); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.asym { display: grid; gap: var(--gap); grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); }
.asym--flip { grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr); }
.rule { height: 1px; border: 0; background: var(--page-line); margin: 32px 0; }

/* ---------- 文本组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
  color: var(--c-amber);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--c-amber);
  transform: skewX(-6deg);
}
.section-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(24px, 3.2vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.lede {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.85;
  color: var(--page-fg-soft);
  max-width: 40em;
  margin: 0 0 1em;
}
.skew { display: inline-block; transform: skewX(-2deg); }

/* ---------- 正文容器 ---------- */
.prose { max-width: 34em; font-size: 17px; line-height: 1.75; }
.prose p { margin: 0 0 1.15em; }
.prose h2 { font-size: clamp(22px, 2.6vw, 28px); margin: 1.9em 0 0.6em; }
.prose h3 { font-size: clamp(19px, 2vw, 22px); margin: 1.6em 0 0.5em; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.35em; }
.prose ul { list-style: square; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 0.5em; }
.prose a { color: var(--c-azurite-soft); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--c-amber); }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--page-fg-soft);
}
.breadcrumb li { display: flex; align-items: center; gap: 10px; }
.breadcrumb li + li::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 1px;
  background: var(--c-azurite-soft);
}
.breadcrumb a { color: var(--page-fg-soft); }
.breadcrumb a:hover { color: var(--c-amber); }
.breadcrumb [aria-current="page"] { color: var(--c-amber); font-weight: 700; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: var(--c-amber);
  color: var(--c-ink);
  border: 1px solid transparent;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.btn:hover { background: var(--c-paper); transform: translateY(-1px); }
.btn-primary { background: var(--c-amber); color: var(--c-ink); }
.btn-primary:hover { background: var(--c-paper); }
.btn-ghost {
  background: transparent;
  color: var(--c-dune);
  border-color: rgba(79, 163, 181, 0.5);
  clip-path: none;
}
.btn-ghost:hover { background: rgba(31, 122, 140, 0.4); color: var(--c-paper); border-color: var(--c-azurite-soft); }

/* ---------- 卡片 / 标签 / 数据 ---------- */
.card {
  position: relative;
  display: block;
  padding: 24px;
  background: var(--card-bg);
  color: var(--card-fg);
  border: 1px solid var(--card-line);
  box-shadow: var(--shadow);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }
.card--lift { margin-top: 22px; }
.card--push { margin-top: 44px; }
.card--dune { background: var(--c-dune); border-color: rgba(20, 24, 29, 0.18); }
.card--night {
  --card-bg: #0A1A2F;
  --card-fg: #FBF6EC;
  --card-fg-soft: #A9BCCB;
  --card-line: rgba(79, 163, 181, 0.34);
  background: var(--c-night);
  color: var(--card-fg);
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-paper);
  background: var(--c-azurite);
  transform: skewX(-6deg);
}
.tag--cinnabar { background: var(--c-cinnabar); }
.tag--amber { background: var(--c-amber); color: var(--c-ink); }
.tag--ghost { background: transparent; border: 1px solid currentColor; color: var(--c-azurite); }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--c-amber);
}
.stat-label { font-size: 13px; letter-spacing: 0.06em; color: var(--page-fg-soft); }

/* ---------- 图片容器 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  margin: 0;
  background: var(--c-deep);
  border: 1px solid var(--c-amber);
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 10;
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-paper);
  background: linear-gradient(180deg, rgba(10, 26, 47, 0), rgba(10, 26, 47, 0.84));
}
.media-frame--cut { clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), 0 100%); }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--wide { aspect-ratio: 21 / 9; }

/* ---------- 标签页 ---------- */
.tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--page-line);
  margin-bottom: 24px;
}
.tab {
  padding: 10px 16px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--page-fg-soft);
  border: 1px solid transparent;
  border-bottom: 0;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}
.tab:hover { color: var(--page-fg); }
.tab[aria-selected="true"] { color: var(--c-ink); background: var(--c-amber); transform: skewX(-6deg); }
.tabpanel { animation: tabIn 0.24s var(--ease); }
.tabpanel[hidden] { display: none; }
@keyframes tabIn {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 滚动显现 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.32s var(--ease), transform 0.32s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- 长按收藏 ---------- */
[data-hold] {
  position: relative;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
  transition: transform 0.2s var(--ease);
}
[data-hold]::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--hold-x, 50%) var(--hold-y, 50%), rgba(200, 56, 43, 0.45), rgba(200, 56, 43, 0) 62%);
  opacity: 0;
  transition: opacity 0.26s var(--ease);
  pointer-events: none;
}
[data-hold].is-holding { transform: translateY(2px); }
[data-hold].is-holding::after { opacity: 1; }
[data-hold].is-held::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 24px 24px 0;
  border-color: transparent var(--c-amber) transparent transparent;
  z-index: 3;
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  left: 12px;
  top: -72px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--c-amber);
  color: var(--c-ink);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--header-bg);
  border-bottom: 1px solid var(--page-line);
  box-shadow: 0 1px 0 rgba(224, 163, 62, 0.18);
}
.header-trace {
  position: absolute;
  top: 0;
  right: 0;
  width: min(38vw, 420px);
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(31, 122, 140, 0.38));
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  opacity: 0.7;
  pointer-events: none;
}
.header-trace::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 58%;
  width: 3px;
  background: var(--c-amber);
  transform: skewX(-6deg);
}
.header-shell {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}
.header-top {
  display: grid;
  grid-template-columns: var(--rail) 1fr auto;
  grid-template-areas: "brand season tools";
  align-items: center;
  gap: 6px 12px;
  min-height: 74px;
}
.brand { grid-area: brand; display: flex; align-items: center; gap: 12px; padding: 8px 0; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: none;
  background: linear-gradient(150deg, var(--c-amber), var(--c-danxia));
  color: var(--c-night);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  border: 1px solid rgba(20, 24, 29, 0.22);
  transform: skewX(-6deg);
  box-shadow: var(--shadow);
}
.brand-words { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-name {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.02em;
  color: var(--page-fg);
  transform: skewX(-2deg);
  white-space: nowrap;
}
.brand-motto { font-size: 12px; letter-spacing: 0.16em; color: var(--c-amber); }
.season-badge {
  grid-area: season;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 14px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--page-fg);
  border: 1px solid var(--page-line-strong);
  background: linear-gradient(90deg, var(--chrome-bg), rgba(31, 122, 140, 0.06));
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}
.season-pulse {
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--c-amber);
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(224, 163, 62, 0.65); }
  70% { box-shadow: 0 0 0 9px rgba(224, 163, 62, 0); }
  100% { box-shadow: 0 0 0 0 rgba(224, 163, 62, 0); }
}
.header-tools { grid-area: tools; display: flex; align-items: center; gap: 8px; }
.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--page-fg);
  background: var(--chrome-bg);
  border: 1px solid var(--page-line-strong);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.tool-btn:hover { background: var(--c-azurite); border-color: var(--c-azurite-soft); color: var(--c-paper); }
.tool-dot { width: 6px; height: 6px; flex: none; background: var(--c-cinnabar); transform: skewX(-6deg); }
.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--page-fg);
  border: 1px solid var(--page-line-strong);
  background: var(--chrome-bg);
}
.nav-toggle-bars { display: inline-flex; flex-direction: column; gap: 3px; width: 16px; }
.nav-toggle-bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.primary-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  min-height: 52px;
  border-top: 1px solid var(--page-line);
}
.nav-list { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.nav-link {
  position: relative;
  display: block;
  padding: 12px 14px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--page-fg);
  transition: color 0.2s var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-amber), var(--c-cinnabar));
  transform: scaleX(0) skewX(-6deg);
  transform-origin: left center;
  transition: transform 0.24s var(--ease);
}
.nav-link:hover { color: var(--c-amber); }
.nav-link:hover::after { transform: scaleX(1) skewX(-6deg); }
.nav-link[aria-current="page"] { color: var(--c-amber); }
.nav-link[aria-current="page"]::after { transform: scaleX(1) skewX(-6deg); }
.nav-note {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--page-fg-soft);
  white-space: nowrap;
}
.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  z-index: 2;
  pointer-events: none;
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  background: linear-gradient(90deg, var(--c-azurite), var(--c-amber) 62%, var(--c-cinnabar));
}

/* ---------- 收藏夹抽屉 ---------- */
.favorites-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 120;
  width: min(360px, 88vw);
  height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 22px;
  background: var(--drawer-bg);
  color: var(--drawer-fg);
  border-left: 1px solid var(--page-line-strong);
  box-shadow: -12px 0 34px rgba(6, 16, 28, 0.45);
  visibility: hidden;
  opacity: 0;
  transform: translateX(26px);
  transition: opacity 0.26s var(--ease), transform 0.26s var(--ease), visibility 0.26s;
}
.favorites-drawer[data-open] { visibility: visible; opacity: 1; transform: none; }
.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(79, 163, 181, 0.3);
}
.drawer-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-paper);
  transform: skewX(-2deg);
}
.drawer-count {
  display: inline-grid;
  place-items: center;
  min-width: 26px;
  height: 22px;
  padding: 0 6px;
  background: var(--c-cinnabar);
  color: var(--c-paper);
  font-size: 12px;
  transform: skewX(-6deg);
}
.drawer-close {
  padding: 6px 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-dune);
  border: 1px solid rgba(79, 163, 181, 0.42);
}
.drawer-close:hover { background: var(--c-azurite); color: var(--c-paper); }
.drawer-hint { margin: 14px 0; font-size: 13px; line-height: 1.7; color: var(--drawer-fg-soft); }
.drawer-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  padding: 6px 0;
}
.drawer-empty {
  margin: 0;
  padding: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--drawer-fg-soft);
  border: 1px dashed rgba(79, 163, 181, 0.42);
}
.drawer-item {
  display: block;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-dune);
  background: rgba(10, 26, 47, 0.5);
  border: 1px solid rgba(79, 163, 181, 0.32);
}
.drawer-item:hover { border-color: var(--c-amber); }
.drawer-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
  font-size: 12px;
  color: var(--c-sand);
  border-top: 1px solid rgba(79, 163, 181, 0.3);
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: 72px;
  background: var(--footer-bg);
  color: var(--page-fg);
  border-top: 1px solid var(--page-line-strong);
}
.footer-cut {
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--c-azurite) 0 32%, var(--c-amber) 32% 54%, var(--c-cinnabar) 54% 60%, rgba(31, 122, 140, 0.25) 60% 100%);
}
.footer-shell {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(0, 1.4fr);
  grid-template-areas: "brand cols" "contact contact";
  gap: 40px 48px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 56px var(--pad) 36px;
}
.footer-brand { grid-area: brand; }
.footer-logo {
  display: inline-block;
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 26px;
  letter-spacing: -0.02em;
  color: var(--page-fg);
  transform: skewX(-2deg);
}
.footer-slogan {
  max-width: 30em;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--page-fg);
}
.footer-hours {
  margin: 0 0 22px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--page-fg-soft);
}
.footer-cols { grid-area: cols; }
.footer-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 32px;
}
.footer-col-item { padding: 14px 0; border-top: 1px solid var(--page-line); }
.footer-col-link {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--page-fg);
  transition: color 0.2s var(--ease);
}
.footer-col-link:hover { color: var(--c-amber); }
.footer-col-desc {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--page-fg-soft);
}
.footer-contact {
  grid-area: contact;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(0, 1.4fr);
  gap: 14px 48px;
  padding-top: 32px;
  border-top: 1px solid var(--page-line);
}
.footer-contact-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--c-amber);
}
.footer-contact-list { display: grid; gap: 10px; }
.footer-contact-list > div {
  display: grid;
  grid-template-columns: 5.5em minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}
.footer-contact-list dt { font-size: 13px; letter-spacing: 0.06em; color: var(--c-sand); }
.footer-contact-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--page-fg);
  overflow-wrap: anywhere;
}
.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--pad) 34px;
  font-size: 13px;
  color: var(--page-fg-soft);
  border-top: 1px solid var(--page-line);
}
.footer-copy { margin: 0; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.footer-legal a {
  color: var(--page-fg-soft);
  text-decoration: underline;
  text-decoration-color: rgba(79, 163, 181, 0.5);
  text-underline-offset: 3px;
}
.footer-legal a:hover { color: var(--c-amber); text-decoration-color: var(--c-amber); }
.footer-record {
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-sand);
}

/* ---------- 焦点环 ---------- */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--c-azurite-soft);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- 响应式：平板与移动 ---------- */
@media (max-width: 1023px) {
  :root { --rail: auto; }

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

  .primary-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 110;
    display: block;
    max-height: 76vh;
    overflow-y: auto;
    padding: 20px var(--pad) 26px;
    background: var(--c-deep);
    border-top: 1px solid var(--page-line-strong);
    box-shadow: 0 -12px 34px rgba(6, 16, 28, 0.45);
    transform: translateY(112%);
    transition: transform 0.32s var(--ease);
  }
  .primary-nav[data-open] { transform: translateY(0); }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-link { padding: 14px 4px; font-size: 17px; border-bottom: 1px solid rgba(79, 163, 181, 0.22); }
  .nav-link::after { display: none; }
  .nav-link[aria-current="page"] { color: var(--c-amber); padding-left: 18px; }
  .nav-link[aria-current="page"]::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 8px;
    height: 8px;
    background: var(--c-cinnabar);
    transform: translateY(-50%) skewX(-6deg);
  }
  .nav-note { padding-top: 16px; color: #A9BCCB; }

  .header-top {
    grid-template-columns: 1fr auto;
    grid-template-areas: "brand tools" "season season";
    gap: 8px 12px;
    min-height: 0;
    padding: 10px 0 12px;
  }

  .footer-shell {
    grid-template-columns: 1fr;
    grid-template-areas: "brand" "cols" "contact";
    gap: 34px;
    padding-top: 44px;
  }
  .footer-contact { grid-template-columns: 1fr; gap: 14px; }
  .footer-record { margin-left: 0; }
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .asym, .asym--flip { grid-template-columns: 1fr; }
  .card--push { margin-top: 26px; }
}

/* ---------- 响应式：手机 ---------- */
@media (max-width: 639px) {
  :root { --pad: 16px; --gap: 16px; }
  body { font-size: 16px; line-height: 1.75; }
  html { scroll-padding-top: 132px; }
  h1 { font-size: 30px; line-height: 1.24; }
  h2 { font-size: 24px; line-height: 1.3; }

  .section { padding: 48px 0; }
  .section--tight { padding: 32px 0; }
  .prose { font-size: 16px; line-height: 1.75; }

  .brand-mark { width: 34px; height: 34px; font-size: 18px; }
  .brand-name { font-size: 16px; }
  .brand-motto { font-size: 11px; letter-spacing: 0.12em; }
  .season-badge { font-size: 12px; padding: 5px 11px; }
  .tool-btn { padding: 7px 10px; font-size: 12px; }
  .nav-toggle-text { display: none; }

  .favorites-drawer { width: 100vw; padding: 18px; }

  .grid-2, .grid-3, .grid-12, .asym, .asym--flip { grid-template-columns: 1fr; }
  .card { padding: 18px; }
  .card--lift, .card--push { margin-top: 0; }

  .footer-col { grid-template-columns: 1fr; }
  .footer-contact-list > div { grid-template-columns: 1fr; gap: 2px; }
  .footer-base { flex-direction: column; align-items: flex-start; }
}

/* ---------- 降低动效 ---------- */
@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;
  }
  .reveal { opacity: 1; transform: none; }
  [data-hold].is-holding { transform: none; }
}