/* =========================================================
   谈球吧体育赛 — 共享样式 /assets/site.css
   设计原型：运动数据蓝图
   ========================================================= */

/* ---------- 1. CSS 变量 ---------- */
:root {
  --tqb-bg-primary: #0A192F;
  --tqb-bg-secondary: #112240;
  --tqb-accent-primary: #64FFDA;
  --tqb-accent-secondary: #FF6B35;
  --tqb-text-primary: #E6F1FF;
  --tqb-text-secondary: #8892B0;
  --tqb-border-line: #233554;
  --tqb-data-accent: #FFC107;
  --tqb-overlay-glass: rgba(100, 255, 218, 0.05);
  --tqb-grid-line: rgba(100, 255, 218, 0.04);
  --tqb-font-headline: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --tqb-font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --tqb-font-data: "Roboto Mono", "SFMono-Regular", "JetBrains Mono", Consolas, "Courier New", monospace;
  --tqb-fs-h1: 48px;
  --tqb-fs-h2: 32px;
  --tqb-fs-h3: 24px;
  --tqb-fs-body: 16px;
  --tqb-fs-data: 14px;
  --tqb-space-xs: 4px;
  --tqb-space-sm: 8px;
  --tqb-space-md: 16px;
  --tqb-space-lg: 24px;
  --tqb-space-xl: 40px;
  --tqb-space-2xl: 64px;
  --tqb-container-w: 1200px;
  --tqb-radius: 4px;
  --tqb-ease: cubic-bezier(0.33, 1, 0.68, 1);
  --tqb-duration: 200ms;
}

/* ---------- 2. Reset 与基础排版 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--tqb-font-body);
  font-size: var(--tqb-fs-body);
  line-height: 1.75;
  color: var(--tqb-text-primary);
  background-color: var(--tqb-bg-primary);
  background-image:
    linear-gradient(var(--tqb-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--tqb-grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--tqb-font-headline);
  font-weight: 900;
  line-height: 1.3;
  color: var(--tqb-text-primary);
  text-wrap: balance;
}

h1 { font-size: var(--tqb-fs-h1); }
h2 { font-size: var(--tqb-fs-h2); }
h3 { font-size: var(--tqb-fs-h3); }

p { margin-bottom: 1em; }

a {
  color: var(--tqb-accent-primary);
  text-decoration: none;
  transition: color var(--tqb-duration) var(--tqb-ease);
}

a:hover {
  color: var(--tqb-text-primary);
}

ul,
ol {
  padding-left: 1.2em;
}

[hidden] {
  display: none !important;
}

::selection {
  background: rgba(100, 255, 218, 0.25);
  color: var(--tqb-text-primary);
}

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

[id] {
  scroll-margin-top: 120px;
}

/* ---------- 3. 内容容器 ---------- */
.tqb-container {
  width: min(100% - 2rem, var(--tqb-container-w));
  margin-inline: auto;
}

.tqb-container--narrow {
  width: min(100% - 2rem, 840px);
  margin-inline: auto;
}

/* ---------- 4. 跳转链接 ---------- */
.tqb-skip-link {
  position: fixed;
  top: -80px;
  left: var(--tqb-space-md);
  z-index: 10000;
  padding: 12px 24px;
  background: var(--tqb-accent-primary);
  color: var(--tqb-bg-primary);
  font-family: var(--tqb-font-body);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-radius: 0 0 var(--tqb-radius) var(--tqb-radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: top var(--tqb-duration) var(--tqb-ease);
}

.tqb-skip-link:focus {
  top: 0;
  color: var(--tqb-bg-primary);
  outline: none;
}

/* ---------- 5. 头部 ---------- */
.tqb-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(10, 25, 47, 0.88);
  background-image:
    linear-gradient(rgba(100, 255, 218, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100, 255, 218, 0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--tqb-border-line);
}

.tqb-scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--tqb-accent-primary), var(--tqb-data-accent));
  transition: width 80ms linear;
  z-index: 2;
  pointer-events: none;
}

.tqb-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--tqb-space-md);
  padding-top: var(--tqb-space-md);
  padding-bottom: var(--tqb-space-md);
}

.tqb-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--tqb-text-primary);
  font-family: var(--tqb-font-headline);
  font-weight: 900;
  line-height: 1.1;
}

.tqb-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--tqb-font-data);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--tqb-accent-primary);
  border: 2px solid var(--tqb-accent-primary);
  padding: 3px 7px;
  border-radius: 3px;
  transform: skew(-8deg);
  line-height: 1.2;
}

.tqb-brand-name {
  font-size: 26px;
  letter-spacing: 0.06em;
  color: var(--tqb-text-primary);
  font-weight: 900;
  white-space: nowrap;
  transition: color var(--tqb-duration) var(--tqb-ease);
}

.tqb-brand-sub {
  font-family: var(--tqb-font-data);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--tqb-text-secondary);
  border-left: 1px solid var(--tqb-border-line);
  padding-left: 10px;
  margin-left: 2px;
  align-self: center;
  white-space: nowrap;
}

.tqb-brand:hover .tqb-brand-name {
  color: var(--tqb-accent-primary);
}

/* 导航按钮 */
.tqb-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  border: 1px solid var(--tqb-border-line);
  border-radius: var(--tqb-radius);
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.tqb-nav-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--tqb-accent-primary);
  border-radius: 1px;
  transition: transform var(--tqb-duration) var(--tqb-ease), opacity var(--tqb-duration) var(--tqb-ease);
}

.tqb-nav-toggle:hover {
  border-color: var(--tqb-accent-primary);
}

/* 导航列表 */
.tqb-nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.tqb-nav-list li {
  margin: 0;
}

.tqb-nav-list a {
  display: block;
  padding: 10px 18px;
  color: var(--tqb-text-secondary);
  font-size: 15px;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--tqb-duration) var(--tqb-ease), border-color var(--tqb-duration) var(--tqb-ease), background-color var(--tqb-duration) var(--tqb-ease);
}

.tqb-nav-list a:hover {
  color: var(--tqb-accent-primary);
  background-color: rgba(100, 255, 218, 0.06);
}

.tqb-nav-list a[aria-current="page"] {
  color: var(--tqb-accent-primary);
  border-bottom-color: var(--tqb-accent-primary);
  background-color: rgba(100, 255, 218, 0.06);
}

/* ---------- 6. 页脚 ---------- */
.tqb-footer {
  position: relative;
  margin-top: var(--tqb-space-2xl);
  background-color: var(--tqb-bg-primary);
  background-image:
    linear-gradient(rgba(100, 255, 218, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100, 255, 218, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  border-top: 1px solid var(--tqb-border-line);
  padding-top: var(--tqb-space-2xl);
  padding-bottom: var(--tqb-space-lg);
}

.tqb-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: var(--tqb-space-xl);
  padding-bottom: var(--tqb-space-xl);
  border-bottom: 1px solid var(--tqb-border-line);
}

.tqb-footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.tqb-brand--footer {
  margin-bottom: var(--tqb-space-sm);
}

.tqb-brand--footer .tqb-brand-name {
  font-size: 22px;
}

.tqb-brand--footer .tqb-brand-mark {
  font-size: 12px;
}

.tqb-footer-trust {
  margin-top: var(--tqb-space-md);
  font-size: 14px;
  line-height: 1.7;
  color: var(--tqb-text-secondary);
  border-left: 2px solid var(--tqb-accent-primary);
  padding-left: var(--tqb-space-md);
  margin-bottom: 0;
}

.tqb-footer-heading {
  font-family: var(--tqb-font-data);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--tqb-accent-primary);
  margin-bottom: var(--tqb-space-md);
}

.tqb-footer-links,
.tqb-footer-contact {
  display: flex;
  flex-direction: column;
}

.tqb-footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tqb-footer-list li {
  margin-bottom: var(--tqb-space-sm);
  font-size: 15px;
  color: var(--tqb-text-secondary);
  line-height: 1.6;
}

.tqb-footer-list li:last-child {
  margin-bottom: 0;
}

.tqb-footer-list a {
  color: var(--tqb-text-secondary);
  text-decoration: none;
  display: inline-block;
  transition: color var(--tqb-duration) var(--tqb-ease), padding-left var(--tqb-duration) var(--tqb-ease);
}

.tqb-footer-list a:hover {
  color: var(--tqb-accent-primary);
  padding-left: 4px;
}

.tqb-footer-contact-list li {
  word-break: break-all;
}

.tqb-footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--tqb-space-sm) var(--tqb-space-lg);
  padding-top: var(--tqb-space-lg);
  font-family: var(--tqb-font-data);
  font-size: 12px;
  color: var(--tqb-text-secondary);
  letter-spacing: 0.04em;
}

.tqb-footer-copy,
.tqb-footer-icp {
  margin: 0;
}

/* ---------- 7. 通用按钮 ---------- */
.tqb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--tqb-space-sm);
  padding: 11px 28px;
  border: 1px solid var(--tqb-accent-primary);
  border-radius: var(--tqb-radius);
  background: transparent;
  color: var(--tqb-accent-primary);
  font-family: var(--tqb-font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  line-height: 1.4;
  cursor: pointer;
  transition: background-color var(--tqb-duration) var(--tqb-ease), color var(--tqb-duration) var(--tqb-ease), border-color var(--tqb-duration) var(--tqb-ease), box-shadow var(--tqb-duration) var(--tqb-ease);
}

.tqb-btn:hover {
  background-color: var(--tqb-accent-primary);
  color: var(--tqb-bg-primary);
  box-shadow: 0 0 24px rgba(100, 255, 218, 0.25);
}

.tqb-btn--solid {
  background-color: var(--tqb-accent-primary);
  color: var(--tqb-bg-primary);
}

.tqb-btn--solid:hover {
  background-color: transparent;
  color: var(--tqb-accent-primary);
  box-shadow: inset 0 0 0 1px var(--tqb-accent-primary), 0 0 24px rgba(100, 255, 218, 0.25);
}

.tqb-btn--ghost {
  border-color: var(--tqb-border-line);
  color: var(--tqb-text-secondary);
}

.tqb-btn--ghost:hover {
  border-color: var(--tqb-accent-primary);
  color: var(--tqb-accent-primary);
  background-color: var(--tqb-overlay-glass);
  box-shadow: none;
}

.tqb-btn--alert {
  border-color: var(--tqb-accent-secondary);
  color: var(--tqb-accent-secondary);
}

.tqb-btn--alert:hover {
  background-color: var(--tqb-accent-secondary);
  color: var(--tqb-bg-primary);
  box-shadow: 0 0 24px rgba(255, 107, 53, 0.25);
}

/* ---------- 8. 面包屑 ---------- */
.tqb-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--tqb-space-sm);
  list-style: none;
  padding: 0;
  margin: 0 0 var(--tqb-space-lg);
  font-family: var(--tqb-font-data);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.tqb-breadcrumb li {
  margin: 0;
}

.tqb-breadcrumb li + li::before {
  content: "/";
  color: var(--tqb-text-secondary);
  margin-right: var(--tqb-space-sm);
}

.tqb-breadcrumb a {
  color: var(--tqb-text-secondary);
  text-decoration: none;
  transition: color var(--tqb-duration) var(--tqb-ease);
}

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

.tqb-breadcrumb [aria-current="page"] {
  color: var(--tqb-accent-primary);
}

/* ---------- 9. 网格 ---------- */
.tqb-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--tqb-space-lg);
}

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

.tqb-col-4 { grid-column: span 4; }
.tqb-col-6 { grid-column: span 6; }
.tqb-col-8 { grid-column: span 8; }
.tqb-col-12 { grid-column: span 12; }

/* ---------- 10. 卡片 ---------- */
.tqb-card {
  background: rgba(17, 34, 64, 0.7);
  border: 1px solid var(--tqb-border-line);
  border-radius: var(--tqb-radius);
  padding: var(--tqb-space-lg);
  transition: border-color var(--tqb-duration) var(--tqb-ease), transform var(--tqb-duration) var(--tqb-ease), box-shadow var(--tqb-duration) var(--tqb-ease);
}

.tqb-card:hover {
  border-color: rgba(100, 255, 218, 0.5);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ---------- 11. 章节 ---------- */
.tqb-section {
  position: relative;
  padding: var(--tqb-space-2xl) 0;
}

.tqb-section--alt {
  background: rgba(17, 34, 64, 0.35);
  border-top: 1px solid var(--tqb-border-line);
  border-bottom: 1px solid var(--tqb-border-line);
}

.tqb-section-heading {
  position: relative;
  margin-bottom: var(--tqb-space-xl);
  padding-bottom: var(--tqb-space-md);
  border-bottom: 1px solid var(--tqb-border-line);
}

.tqb-section-title {
  font-size: var(--tqb-fs-h2);
  font-weight: 900;
  line-height: 1.2;
  margin: 0 0 var(--tqb-space-xs);
}

.tqb-section-desc {
  color: var(--tqb-text-secondary);
  font-size: 15px;
  max-width: 640px;
  margin-bottom: 0;
}

/* ---------- 12. 内页头部 ---------- */
.tqb-page-header {
  position: relative;
  padding: var(--tqb-space-xl) 0 var(--tqb-space-lg);
  border-bottom: 1px solid var(--tqb-border-line);
  margin-bottom: var(--tqb-space-xl);
}

.tqb-page-title {
  font-size: var(--tqb-fs-h1);
  font-weight: 900;
  line-height: 1.15;
  margin: 0 0 var(--tqb-space-sm);
}

.tqb-page-desc {
  color: var(--tqb-text-secondary);
  font-size: 17px;
  max-width: 640px;
  margin-bottom: 0;
}

/* ---------- 13. 数据与标记 ---------- */
.tqb-data {
  font-family: var(--tqb-font-data);
  font-size: var(--tqb-fs-data);
  color: var(--tqb-accent-primary);
  letter-spacing: 0.03em;
}

.tqb-highlight {
  color: var(--tqb-accent-secondary);
  font-weight: 700;
}

.tqb-coord {
  display: inline-block;
  font-family: var(--tqb-font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--tqb-accent-primary);
  background: rgba(100, 255, 218, 0.08);
  border: 1px solid transparent;
  padding: 2px 8px;
  border-radius: 2px;
  text-transform: uppercase;
  white-space: nowrap;
}

.tqb-tag {
  display: inline-block;
  font-family: var(--tqb-font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  padding: 2px 10px;
  border-radius: 2px;
  border: 1px solid var(--tqb-border-line);
  color: var(--tqb-text-secondary);
  line-height: 1.5;
}

.tqb-tag--live {
  color: var(--tqb-accent-primary);
  border-color: var(--tqb-accent-primary);
  background: rgba(100, 255, 218, 0.1);
}

.tqb-tag--alert {
  color: var(--tqb-accent-secondary);
  border-color: var(--tqb-accent-secondary);
  background: rgba(255, 107, 53, 0.1);
}

/* ---------- 14. 数据统计条 ---------- */
.tqb-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  background: var(--tqb-border-line);
  border: 1px solid var(--tqb-border-line);
  border-radius: var(--tqb-radius);
  overflow: hidden;
}

.tqb-stat {
  background: var(--tqb-bg-secondary);
  padding: var(--tqb-space-lg);
  text-align: center;
}

.tqb-stat-value {
  display: block;
  font-family: var(--tqb-font-data);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--tqb-accent-primary);
}

.tqb-stat-label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--tqb-text-secondary);
}

/* ---------- 15. 折叠面板 ---------- */
.tqb-panel {
  background: var(--tqb-bg-secondary);
  border: 1px solid var(--tqb-border-line);
  border-radius: var(--tqb-radius);
  margin-bottom: var(--tqb-space-sm);
  transition: border-color var(--tqb-duration) var(--tqb-ease);
}

.tqb-panel:hover {
  border-color: rgba(100, 255, 218, 0.4);
}

.tqb-panel[open] {
  border-color: rgba(100, 255, 218, 0.4);
}

.tqb-panel summary {
  cursor: pointer;
  padding: 14px 20px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--tqb-space-md);
  font-weight: 500;
  color: var(--tqb-text-primary);
  border-radius: var(--tqb-radius);
}

.tqb-panel summary::-webkit-details-marker {
  display: none;
}

.tqb-panel summary::after {
  content: "+";
  font-family: var(--tqb-font-data);
  font-size: 20px;
  line-height: 1;
  color: var(--tqb-accent-primary);
  flex-shrink: 0;
  transition: transform var(--tqb-duration) var(--tqb-ease);
}

.tqb-panel[open] summary::after {
  transform: rotate(45deg);
}

.tqb-panel-body {
  padding: 0 20px 16px;
  color: var(--tqb-text-secondary);
  font-size: 15px;
}

/* ---------- 16. 图片占位框架 ---------- */
.tqb-image-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--tqb-border-line);
  background-color: var(--tqb-bg-secondary);
  aspect-ratio: 16 / 9;
  border-radius: var(--tqb-radius);
}

.tqb-image-frame::before {
  content: attr(data-image-label);
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--tqb-space-md);
  font-family: var(--tqb-font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-align: center;
  color: var(--tqb-text-secondary);
  background-image: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(100, 255, 218, 0.03) 10px,
    rgba(100, 255, 218, 0.03) 20px
  );
}

/* ---------- 17. 正文容器 ---------- */
.tqb-prose {
  max-width: 720px;
}

.tqb-prose h2 {
  margin-top: var(--tqb-space-xl);
  margin-bottom: var(--tqb-space-md);
}

.tqb-prose h3 {
  margin-top: var(--tqb-space-lg);
  margin-bottom: var(--tqb-space-sm);
}

.tqb-prose p {
  color: var(--tqb-text-primary);
}

.tqb-prose ul,
.tqb-prose ol {
  color: var(--tqb-text-primary);
  margin-bottom: 1em;
}

.tqb-prose blockquote {
  margin: var(--tqb-space-lg) 0;
  padding: var(--tqb-space-md) var(--tqb-space-lg);
  border-left: 3px solid var(--tqb-accent-primary);
  background: rgba(100, 255, 218, 0.05);
  color: var(--tqb-text-secondary);
  font-style: italic;
}

/* ---------- 18. 工具类 ---------- */
.tqb-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;
}

/* ---------- 19. 响应式 ---------- */
@media (min-width: 768px) {
  .tqb-header-top {
    justify-content: center;
    border-bottom: 1px solid var(--tqb-border-line);
    margin-bottom: var(--tqb-space-sm);
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .tqb-grid--4col {
    grid-template-columns: repeat(2, 1fr);
  }

  .tqb-col-4 {
    grid-column: span 6;
  }

  .tqb-col-8 {
    grid-column: span 12;
  }

  .tqb-footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .tqb-footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 767px) {
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }

  .tqb-header-top {
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .tqb-brand-name {
    font-size: 20px;
  }

  .tqb-brand-mark {
    font-size: 11px;
    padding: 2px 5px;
  }

  .tqb-brand-sub {
    display: none;
  }

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

  .tqb-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(17, 34, 64, 0.98);
    border-bottom: 1px solid var(--tqb-border-line);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }

  .tqb-nav[data-open] {
    display: block;
  }

  .tqb-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px;
  }

  .tqb-nav-list a {
    padding: 14px 12px;
    border-bottom: 1px solid rgba(35, 53, 84, 0.5);
    border-left: 2px solid transparent;
    border-bottom-color: rgba(35, 53, 84, 0.4);
  }

  .tqb-nav-list a[aria-current="page"] {
    border-left-color: var(--tqb-accent-primary);
    border-bottom-color: var(--tqb-accent-primary);
  }

  .tqb-nav-list li:last-child a {
    border-bottom: none;
  }

  .tqb-footer-grid {
    grid-template-columns: 1fr;
    gap: var(--tqb-space-xl);
  }

  .tqb-footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .tqb-grid--2col,
  .tqb-grid--3col,
  .tqb-grid--4col {
    grid-template-columns: 1fr;
  }

  .tqb-col-4,
  .tqb-col-6,
  .tqb-col-8,
  .tqb-col-12 {
    grid-column: span 1;
  }
}

@media (max-width: 480px) {
  .tqb-container {
    width: min(100% - 1rem, var(--tqb-container-w));
  }

  .tqb-stat-value {
    font-size: 24px;
  }
}

/* ---------- 20. 少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .tqb-scroll-progress {
    transition: none;
  }

  .tqb-card:hover {
    transform: none;
  }
}