/* =========================================================
   半岛BOB体育 / now-bob.com.cn 全站共享样式
   ========================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background: var(--bg-base);
  color: var(--text-high);
  font-family: var(--font-body);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

:root {
  --bg-base: #0A0E17;
  --bg-surface: #121A26;
  --bg-elevated: #1E2735;
  --border-divider: #334155;
  --primary-green: #00FF87;
  --secondary-blue: #00D4FF;
  --accent-orange: #FF7A00;
  --text-high: #E6EDF3;
  --text-muted: #9AA7B4;
  --danger-red: #FF5470;
  --font-display: 'Archivo Black', 'Noto Sans SC', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'Roboto Mono', 'SFMono-Regular', 'Cascadia Mono', Consolas, monospace;
  --header-h: 72px;
  --container-w: 1280px;
  --radius: 4px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

main { display: block; }
img, svg, video { display: block; max-width: 100%; }
ul, ol { list-style: none; }

button {
  font: inherit;
  appearance: none;
  -webkit-appearance: none;
  background: none;
  border: none;
  cursor: pointer;
}

a { -webkit-tap-highlight-color: transparent; }

::selection {
  background: var(--primary-green);
  color: var(--bg-base);
}

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

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  color: var(--text-high);
}

p { margin: 0; }

/* ---------- 通用工具 ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

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

.container-narrow {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

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

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: -100px;
  left: 24px;
  z-index: 1300;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-green);
  color: var(--bg-base);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 10px 18px;
  border-radius: 2px;
  text-decoration: none;
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 16px;
}

/* ---------- 头部 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  background-color: rgba(10, 14, 23, 0);
  border-bottom: 1px solid transparent;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.site-header.is-scrolled,
.site-header.is-nav-open {
  background-color: rgba(10, 14, 23, 0.92);
  border-bottom-color: var(--border-divider);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 1200;
  pointer-events: none;
  background: transparent;
}

.scroll-progress-bar {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--primary-green), var(--secondary-blue));
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: var(--header-h);
  position: relative;
}

/* ---------- 品牌 ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-blue) 100%);
  transform: skewX(-14deg);
  box-shadow: 0 4px 16px rgba(0, 255, 135, 0.28);
  flex-shrink: 0;
}

.brand-mark::before {
  content: 'BOB';
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.4px;
  color: var(--bg-base);
  transform: skewX(14deg);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  letter-spacing: 0.02em;
  color: var(--text-high);
  white-space: nowrap;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--primary-green);
  white-space: nowrap;
}

/* ---------- 导航 ---------- */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 28px;
  flex: 1;
}

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

.nav-link {
  display: inline-block;
  padding: 8px 13px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  transition: color 0.2s var(--ease);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 3px;
  height: 2px;
  background: var(--primary-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--text-high);
}

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

.nav-link[aria-current="page"] {
  color: var(--primary-green);
}

.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-aux {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 24px;
  border-left: 1px solid var(--border-divider);
}

.nav-aux-link {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-high);
  text-decoration: none;
  border: 1px solid var(--border-divider);
  border-radius: 2px;
  background: rgba(30, 39, 53, 0.4);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.nav-aux-link:hover,
.nav-aux-link:focus-visible {
  border-color: var(--secondary-blue);
  color: var(--secondary-blue);
  background: rgba(0, 212, 255, 0.08);
  transform: translateY(-1px);
}

/* ---------- 刷新按钮 ---------- */
.refresh-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 255, 135, 0.08);
  border: 1px solid rgba(0, 255, 135, 0.45);
  border-radius: 2px;
  color: var(--primary-green);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.refresh-btn:hover,
.refresh-btn:focus-visible {
  background: var(--primary-green);
  color: var(--bg-base);
  border-color: var(--primary-green);
  box-shadow: 0 0 18px rgba(0, 255, 135, 0.4);
}

.refresh-btn.is-refreshing {
  animation: refresh-pulse 0.55s var(--ease);
}

@keyframes refresh-pulse {
  0% { transform: scale(1); }
  35% { transform: scale(1.08); }
  100% { transform: scale(1); }
}

.refresh-label {
  line-height: 1;
}

.refresh-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.refresh-circle-bg {
  fill: none;
  stroke: rgba(0, 255, 135, 0.18);
  stroke-width: 2;
}

.refresh-circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  transform: rotate(-90deg);
  transform-origin: 12px 12px;
  stroke-dasharray: 56.55;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear;
}

/* ---------- 移动端汉堡 ---------- */
.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-divider);
  border-radius: 4px;
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle-bar {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--text-high);
  border-radius: 1px;
  transition: top 0.25s var(--ease), transform 0.25s var(--ease), opacity 0.2s var(--ease), background 0.2s var(--ease);
}

.nav-toggle-bar:nth-child(1) { top: 14px; }
.nav-toggle-bar:nth-child(2) { top: 21px; }
.nav-toggle-bar:nth-child(3) { top: 28px; }

.nav-toggle:hover .nav-toggle-bar {
  background: var(--primary-green);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  top: 21px;
  transform: rotate(45deg);
  background: var(--primary-green);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  top: 21px;
  transform: rotate(-45deg);
  background: var(--primary-green);
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-divider);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-green) 0%, var(--secondary-blue) 55%, var(--accent-orange) 100%);
  pointer-events: none;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 40px 32px;
  padding: 56px 0 40px;
}

.footer-major {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.footer-brand {
  text-decoration: none;
}

.footer-about {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 36ch;
}

.footer-trust {
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--secondary-blue);
  border-left: 2px solid var(--accent-orange);
  padding-left: 12px;
  max-width: 40ch;
}

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

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--primary-green);
  margin-bottom: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-divider);
  position: relative;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 32px;
  height: 1px;
  background: var(--accent-orange);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--primary-green);
  padding-left: 4px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-response {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 14px;
  border-left: 2px solid var(--secondary-blue);
  padding-left: 8px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 20px 0 28px;
  border-top: 1px solid var(--border-divider);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-copyright {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.footer-icp {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: default;
}

/* ---------- 页面首屏 ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--bg-base);
  padding: calc(var(--header-h) + 72px) 0 56px;
  border-bottom: 1px solid var(--border-divider);
}

.page-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: end;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-caption {
  margin-top: 12px;
  max-width: 48ch;
  color: var(--text-muted);
}

.field-texture {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: linear-gradient(115deg, black, transparent 62%);
  mask-image: linear-gradient(115deg, black, transparent 62%);
}

/* ---------- 段落节奏 ---------- */
.section {
  padding: 80px 0;
}

.section-head {
  margin-bottom: 40px;
}

.section-index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-orange);
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  line-height: 1.18;
  margin: 0;
}

.section-desc {
  margin-top: 12px;
  max-width: 60ch;
  color: var(--text-muted);
}

.accent-stripe {
  display: block;
  width: 72px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-green), var(--secondary-blue));
  transform: skewX(-20deg);
  margin-top: 16px;
}

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

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--primary-green);
  color: var(--bg-base);
  border-color: var(--primary-green);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  box-shadow: 0 4px 24px rgba(0, 255, 135, 0.35);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--secondary-blue);
  border-color: var(--secondary-blue);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: rgba(0, 212, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.25);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-high);
  border-color: var(--border-divider);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: var(--secondary-blue);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.tag-green {
  background: rgba(0, 255, 135, 0.08);
  border-color: rgba(0, 255, 135, 0.3);
  color: var(--primary-green);
}

.tag-orange {
  background: rgba(255, 122, 0, 0.1);
  border-color: rgba(255, 122, 0, 0.35);
  color: var(--accent-orange);
}

/* ---------- 数据元素 ---------- */
.stat-num {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--primary-green);
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.live-bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary-green);
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--danger-red);
  animation: live-pulse 2s ease-in-out infinite;
}

@keyframes live-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(255, 84, 112, 0.45); }
  50% { opacity: 0.65; box-shadow: 0 0 0 5px rgba(255, 84, 112, 0); }
}

/* ---------- 数据面板 ---------- */
.panel {
  position: relative;
  background: var(--bg-surface);
  border: 1px solid var(--border-divider);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.panel:hover,
.panel:focus-within {
  border-color: rgba(0, 212, 255, 0.45);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
}

.panel-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* ---------- 分隔线 ---------- */
.divider {
  height: 1px;
  background: var(--border-divider);
  border: 0;
  margin: 24px 0;
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb li + li::before {
  content: '/';
  color: var(--border-divider);
}

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

.breadcrumb a:hover {
  color: var(--primary-green);
}

.breadcrumb .current {
  color: var(--secondary-blue);
}

/* ---------- 正文 ---------- */
.content-prose {
  max-width: 72ch;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.9;
}

.content-prose h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text-high);
  margin: 36px 0 12px;
}

.content-prose h3 {
  font-size: 1.1rem;
  color: var(--text-high);
  margin: 28px 0 8px;
}

.content-prose p {
  margin-bottom: 16px;
}

.content-prose a {
  color: var(--secondary-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.content-prose ul,
.content-prose ol {
  margin: 16px 0 20px;
  padding-left: 1.5em;
}

.content-prose li {
  margin-bottom: 6px;
}

.content-prose blockquote {
  border-left: 3px solid var(--accent-orange);
  padding: 4px 0 4px 16px;
  margin: 24px 0;
  color: var(--text-high);
}

.content-prose img {
  border-radius: var(--radius);
  margin: 24px 0;
}

/* ---------- 图片容器 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-surface));
  border: 1px solid var(--border-divider);
}

.media-frame::before {
  content: '';
  display: block;
  padding-top: 62.5%;
}

.media-frame img,
.media-frame video,
.media-frame picture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame[data-ratio="wide"]::before { padding-top: 42.85%; }
.media-frame[data-ratio="square"]::before { padding-top: 100%; }
.media-frame[data-ratio="tall"]::before { padding-top: 130%; }

.media-frame::after {
  content: '● IMAGE';
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 2;
  background: var(--bg-base);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border-top-left-radius: 3px;
}

.media-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 3;
}

/* ---------- 滚动显现 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

html.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
  .site-nav { gap: 14px; }
  .nav-link { padding: 8px 10px; font-size: 0.85rem; }
  .nav-aux { padding-left: 16px; gap: 8px; }
}

@media (max-width: 960px) {
  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 20px;
    background: var(--bg-surface);
    border-bottom: 2px solid var(--primary-green);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    max-height: calc(100vh - var(--header-h));
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
  }

  .site-nav[data-open] { display: flex; }

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

  .nav-item {
    border-bottom: 1px solid rgba(51, 65, 85, 0.45);
  }

  .nav-item:last-child { border-bottom: 0; }

  .nav-link {
    display: block;
    padding: 14px 4px;
    font-size: 0.95rem;
    color: var(--text-high);
  }

  .nav-link::after { display: none; }
  .nav-link:hover { color: var(--primary-green); }

  .nav-aux {
    border-left: 0;
    border-top: 1px solid var(--border-divider);
    margin-top: 6px;
    padding: 16px 0 0;
  }

  .footer-top { grid-template-columns: 1fr 1fr; gap: 40px 28px; }
  .page-hero-inner { grid-template-columns: 1fr; align-items: start; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  :root { --header-h: 64px; }
  .container, .container-narrow { padding-left: 20px; padding-right: 20px; }
  .site-nav { padding-left: 20px; padding-right: 20px; }
  .header-inner { gap: 12px; }
  .brand-mark { width: 34px; height: 34px; }
  .brand-name { font-size: 1rem; }
  .brand-sub { font-size: 0.56rem; }
  .nav-aux { flex-wrap: wrap; }
  .section { padding: 56px 0; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; gap: 8px; padding-top: 16px; padding-bottom: 20px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stat-num { font-size: 2rem; }
}

@media (max-width: 480px) {
  .brand-sub { display: none; }
  .nav-aux-link { padding: 6px 10px; }
  .refresh-btn { padding: 6px 10px; }
  .refresh-label { font-size: 0.65rem; }
}

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

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

  html.js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
