/* ============ 全站共享样式 /assets/site.css ============ */

:root {
  --milan-red: #C8102E;
  --milan-black: #141414;
  --paper-white: #F7F5EF;
  --deep-gray: #2C2C2C;
  --gold: #D6A02C;
  --gold-light: #F0D285;
  --ink: #3A3A3A;
  --muted-red: #A61428;
  --slate: #6A6A6A;
  --pure-white: #FFFFFF;
  --font-sans: "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Cascadia Code", "Roboto Mono", Consolas, monospace;
  --header-h: 72px;
  --header-pt: 14px;
  --content-max: 1160px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --radius-pill: 999px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --header-shadow: 0 10px 40px rgba(0, 0, 0, 0.28);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--paper-white);
  background-image:
    linear-gradient(rgba(20, 20, 20, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 20, 20, 0.028) 1px, transparent 1px);
  background-size: 42px 42px;
  padding-top: var(--header-h);
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: var(--milan-red);
}
a:hover {
  color: var(--muted-red);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 900;
  color: var(--milan-black);
  line-height: 1.2;
  text-wrap: balance;
}

p {
  margin-bottom: 1em;
}

[id] {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

::selection {
  background: rgba(200, 16, 46, 0.8);
  color: var(--pure-white);
}

/* ============ 无障碍基础 ============ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 24px;
  z-index: 999;
  padding: 12px 24px;
  background: var(--milan-red);
  color: var(--pure-white);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  transition: top 0.3s var(--ease-out);
}
.skip-link:focus {
  top: 0;
}

/* ============ 头部悬浮胶囊导航 ============ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  padding: var(--header-pt) 20px 0;
  z-index: 200;
  pointer-events: none;
}

.site-header .header-capsule,
.site-header .search-panel {
  pointer-events: auto;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 300;
  background: linear-gradient(90deg, var(--milan-red) 0%, var(--gold) 100%);
  transform-origin: 0% 50%;
  transform: scaleX(0);
  pointer-events: none;
}

.header-capsule {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  height: calc(var(--header-h) - var(--header-pt));
  max-width: calc(var(--content-max) + 40px);
  margin: 0 auto;
  padding: 0 10px 0 16px;
  background: rgba(20, 20, 20, 0.92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(214, 160, 44, 0.32);
  border-radius: var(--radius-pill);
  box-shadow: var(--header-shadow);
}

.brand-anchor {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-right: auto;
  text-decoration: none;
}

.brand-shield {
  width: 36px;
  height: 36px;
  filter: drop-shadow(0 2px 8px rgba(200, 16, 46, 0.45));
}

.brand-group {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.brand-tonic {
  font-size: 18px;
  font-weight: 900;
  color: var(--pure-white);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

.toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gold-light);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.25s;
}

.nav-toggle:hover .toggle-line {
  background: var(--pure-white);
}

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

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
}

.nav-item {
  list-style: none;
}

.nav-link {
  display: inline-block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(247, 245, 239, 0.85);
  text-decoration: none;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: color 0.2s, background 0.2s, transform 0.2s;
}

.nav-link:hover {
  color: var(--gold-light);
  background: rgba(255, 255, 255, 0.07);
  transform: translateY(-1px);
}

.nav-link[aria-current="page"] {
  color: var(--pure-white);
  background: var(--milan-red);
  box-shadow: 0 4px 14px rgba(200, 16, 46, 0.35);
}

.search-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  flex-shrink: 0;
  padding: 8px 16px;
  margin-left: 8px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--milan-black);
  border: none;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out), filter 0.2s;
}

.search-trigger:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(214, 160, 44, 0.4);
  filter: saturate(1.08);
}

.search-trigger[aria-expanded="true"] {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  box-shadow: inset 0 2px 6px rgba(20, 20, 20, 0.2);
}

.search-icon {
  flex-shrink: 0;
}

/* 检索悬浮面板 */

.search-panel {
  position: absolute;
  top: calc(var(--header-h) + 8px);
  right: 20px;
  width: 440px;
  max-width: calc(100vw - 40px);
  background: var(--pure-white);
  border-top: 4px solid var(--milan-red);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: 0 24px 64px rgba(20, 20, 20, 0.28);
  padding: 20px;
  z-index: 210;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out), visibility 0.25s;
}

.search-panel[data-open] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.search-panel:focus-within {
  border-top-color: var(--gold);
}

.search-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.search-label {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--slate);
  text-transform: uppercase;
}

.search-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--slate);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.search-close:hover {
  background: rgba(200, 16, 46, 0.1);
  color: var(--milan-red);
}

.search-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  border: 1.5px solid rgba(20, 20, 20, 0.15);
  border-radius: var(--radius-sm);
  background: var(--paper-white);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-input:focus {
  outline: none;
  border-color: var(--milan-red);
  box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.12);
}

.search-input::placeholder {
  color: rgba(58, 58, 58, 0.5);
}

.search-count {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  white-space: nowrap;
}

.search-hint {
  margin-top: 12px;
  font-size: 12px;
  color: var(--slate);
  line-height: 1.6;
}

.search-link {
  color: var(--milan-red);
  font-weight: 600;
  text-decoration: none;
}

.search-link:hover {
  color: var(--muted-red);
  text-decoration: underline;
}

/* ============ 页脚 ============ */

.site-footer {
  position: relative;
  margin-top: 80px;
  background: var(--milan-black);
  color: rgba(247, 245, 239, 0.75);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--milan-red) 0%, var(--milan-red) 40%, var(--gold) 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.8fr;
  gap: 48px;
  padding-top: 56px;
  padding-bottom: 40px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.footer-logo-mark {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 6px rgba(200, 16, 46, 0.4));
}

.footer-logo-name {
  font-size: 22px;
  font-weight: 900;
  color: var(--pure-white);
  letter-spacing: 0.02em;
}

.footer-logo-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-left: 2px;
}

.footer-icp {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(247, 245, 239, 0.4);
  margin: 0;
}

.footer-note {
  max-width: 34em;
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.75;
  color: rgba(247, 245, 239, 0.45);
}

.footer-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 15px;
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-heading-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--gold);
  border: 1px solid rgba(214, 160, 44, 0.4);
  border-radius: 4px;
  padding: 2px 6px;
  line-height: 1.3;
}

.footer-contact p {
  font-size: 14px;
  color: rgba(247, 245, 239, 0.75);
  margin: 0;
}

.footer-phone {
  font-family: var(--font-mono);
  font-size: 17px;
  letter-spacing: 0.06em;
  color: var(--gold-light) !important;
}

.footer-email {
  font-family: var(--font-mono);
  font-size: 13px;
  color: rgba(247, 245, 239, 0.8);
  overflow-wrap: anywhere;
}

.footer-address {
  font-size: 14px;
  line-height: 1.6;
}

.footer-link {
  display: inline-block;
  padding: 5px 0;
  color: rgba(247, 245, 239, 0.65);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.2s, padding-left 0.2s;
}

.footer-link:hover {
  color: var(--gold-light);
  padding-left: 6px;
}

.footer-sync {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  margin-top: 8px;
  background: var(--deep-gray);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(247, 245, 239, 0.6);
}

.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4CAF50;
  box-shadow: 0 0 10px rgba(76, 175, 80, 0.7);
  flex-shrink: 0;
}

.back-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 44px;
  height: 44px;
  z-index: 95;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--milan-red);
  color: var(--pure-white);
  border: 2px solid var(--gold);
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), visibility 0.3s;
}

.back-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.back-top:hover {
  background: var(--muted-red);
  transform: translateY(-2px);
}

.back-top:hover[data-visible] {
  transform: translateY(-2px);
}

/* ============ 页面容器与基础布局 ============ */

.page-container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
}

.page-section {
  padding: 56px 0;
}

.page-section + .page-section {
  padding-top: 0;
}

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

/* ============ 编辑部件 / 章节组件 ============ */

.section-index {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-index::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--milan-red);
  transform: rotate(45deg);
  flex-shrink: 0;
}

.section-index::after {
  content: "";
  width: 56px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.rule-line {
  display: block;
  width: 100%;
  height: 1px;
  margin: 32px 0;
  border: none;
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-light) 40%, rgba(214, 160, 44, 0.15) 100%);
}

.red-cut {
  display: block;
  width: 100%;
  height: 10px;
  margin: 40px 0;
  background: linear-gradient(92deg, var(--milan-red) 0%, var(--muted-red) 55%, transparent 55.5%);
  position: relative;
}

.red-cut::after {
  content: "";
  position: absolute;
  top: 100%;
  right: 0;
  width: 30%;
  height: 6px;
  background: linear-gradient(92deg, transparent 0%, var(--gold) 100%);
  opacity: 0.6;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: rgba(200, 16, 46, 0.07);
  border: 1px solid rgba(200, 16, 46, 0.25);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--milan-red);
  letter-spacing: 0.06em;
}

.tag-chip::before {
  content: "";
  width: 4px;
  height: 4px;
  background: var(--gold);
  transform: rotate(45deg);
}

.data-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 12px;
  background: var(--milan-red);
  color: var(--pure-white);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.data-pill[data-tone="gold"] {
  background: var(--gold);
  color: var(--milan-black);
}

.data-pill[data-tone="dark"] {
  background: var(--deep-gray);
  color: var(--paper-white);
}

.data-pill[data-tone="red-outline"] {
  background: transparent;
  color: var(--milan-red);
  border: 1px solid var(--milan-red);
}

/* ============ 卡片与印刷层叠 ============ */

.card-sheet {
  background: var(--pure-white);
  border-left: 3px solid var(--milan-red);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: 0 2px 10px rgba(20, 20, 20, 0.04), 0 14px 36px rgba(20, 20, 20, 0.05);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out), border-color 0.3s;
}

.card-sheet:hover {
  transform: translateY(-4px);
  border-left-color: var(--gold);
  box-shadow: 0 4px 14px rgba(20, 20, 20, 0.06), 0 22px 48px rgba(200, 16, 46, 0.08);
}

.print-frame {
  position: relative;
  background: var(--pure-white);
  border: 1px solid rgba(20, 20, 20, 0.08);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: 0 2px 6px rgba(20, 20, 20, 0.03), 12px 12px 0 -4px var(--paper-white), 12px 12px 0 -3px rgba(214, 160, 44, 0.3);
  transition: transform 0.3s var(--ease-out);
}

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

/* ============ 赛程行 ============ */

.match-row {
  display: grid;
  grid-template-columns: 110px 1fr 130px;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--pure-white);
  border-left: 3px solid var(--milan-red);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 10px rgba(20, 20, 20, 0.04);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), border-color 0.25s;
}

.match-row:hover {
  transform: translateX(4px);
  border-left-color: var(--gold);
  box-shadow: 0 6px 20px rgba(200, 16, 46, 0.08);
}

.match-kickoff {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--slate);
}

.match-pair {
  font-weight: 700;
  font-size: 15px;
  text-align: center;
  color: var(--milan-black);
}

.match-vs {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--gold);
  margin: 0 8px;
}

/* ============ 面包屑 ============ */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--slate);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumb a:hover {
  color: var(--milan-red);
}

.crumb-sep {
  color: var(--gold);
}

.breadcrumb [aria-current="page"] {
  color: var(--milan-red);
  font-weight: 600;
}

/* ============ 图片容器 ============ */

.image-frame {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-md);
  aspect-ratio: 16 / 9;
  min-height: 160px;
  background:
    radial-gradient(120% 120% at 20% 20%, rgba(200, 16, 46, 0.12), transparent 40%),
    linear-gradient(145deg, var(--deep-gray), var(--milan-black));
}

.image-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(125deg, transparent 0 14px, rgba(247, 245, 239, 0.04) 14px 28px);
}

.image-frame::after {
  content: attr(data-caption);
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gold-light);
  background: rgba(20, 20, 20, 0.68);
  border: 1px solid rgba(214, 160, 44, 0.3);
  border-radius: var(--radius-pill);
}

/* ============ 旁注 ============ */

.aside-note {
  position: relative;
  margin: 28px 0;
  padding: 12px 20px;
  border-left: 2px solid var(--gold);
  background: linear-gradient(90deg, rgba(214, 160, 44, 0.06), transparent 70%);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--slate);
}

/* ============ 通用按钮 ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--pure-white);
  background: var(--milan-red);
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.25s var(--ease-out);
}

.btn:hover {
  background: var(--muted-red);
  border-color: var(--gold);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: rgba(20, 20, 20, 0.25);
}

.btn-outline:hover {
  background: transparent;
  border-color: var(--milan-red);
  color: var(--milan-red);
}

.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--milan-black);
}

.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  border-color: var(--milan-black);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
}

/* ============ 检索命中态 ============ */

.js-match {
  transition: opacity 0.25s, filter 0.25s;
}

.js-match.is-dimmed {
  opacity: 0.22;
  filter: grayscale(0.6);
}

/* ============ 滚动显现 ============ */

html.js [data-reveal]:not([data-revealed]) {
  opacity: 0;
  transform: translateY(28px);
  transition: none;
}

[data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
  transition: opacity 0.55s var(--ease-out), transform 0.55s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
}

[data-reveal][data-delay="1"] { --reveal-delay: 0.08s; }
[data-reveal][data-delay="2"] { --reveal-delay: 0.16s; }
[data-reveal][data-delay="3"] { --reveal-delay: 0.24s; }
[data-reveal][data-delay="4"] { --reveal-delay: 0.32s; }
[data-reveal][data-delay="5"] { --reveal-delay: 0.4s; }

/* ============ 响应式 ============ */

@media (max-width: 1023px) {
  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: rgba(20, 20, 20, 0.97);
    border: 1px solid rgba(214, 160, 44, 0.25);
    border-radius: var(--radius-lg);
    padding: 14px;
    box-shadow: var(--header-shadow);
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out), visibility 0.25s;
    pointer-events: none;
  }

  .primary-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .nav-link {
    display: block;
    text-align: center;
    padding: 12px 16px;
    font-size: 15px;
  }

  .nav-link[aria-current="page"] {
    box-shadow: 0 4px 14px rgba(200, 16, 46, 0.3);
  }

  .search-trigger {
    margin: 8px;
  }

  .search-panel {
    right: 20px;
  }
}

@media (max-width: 640px) {
  :root {
    --header-h: 64px;
    --header-pt: 10px;
  }

  .site-header {
    padding-left: 14px;
    padding-right: 14px;
  }

  .header-capsule {
    height: 54px;
    padding-left: 10px;
    padding-right: 4px;
  }

  .brand-shield {
    width: 32px;
    height: 32px;
  }

  .brand-tonic {
    font-size: 16px;
  }

  .brand-group {
    gap: 4px;
  }

  .brand-sub {
    display: none;
  }

  .search-panel {
    right: 10px;
    left: 10px;
    width: auto;
    max-width: none;
    padding: 16px;
  }

  .search-count {
    width: 100%;
    text-align: right;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 40px;
  }

  .match-row {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 6px;
  }

  .match-kickoff {
    text-align: center;
  }

  .content-grid {
    gap: 16px;
  }

  .page-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .back-top {
    right: 14px;
    bottom: 14px;
  }
}

/* ============ 降低动态偏好 ============ */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  html.js [data-reveal]:not([data-revealed]) {
    opacity: 1;
    transform: none;
    transition: none;
  }

  [data-reveal][data-revealed] {
    transition: none;
  }
}