/* =========================================================
   365体育官方 · Site Kit 共享样式
   设计系统：绿茵数据台 / Live Match Scoreboard
   ========================================================= */

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

* {
  margin: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--cb-text);
  background: var(--cb-bg-light);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

input,
button,
textarea,
select {
  font: inherit;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
  padding: 0;
}

/* ---------- 设计变量 ---------- */
:root {
  --cb-green-900: #0A2E1A;
  --cb-green-700: #1B5E20;
  --cb-green-500: #2E7D32;
  --cb-gold: #C9A227;
  --cb-navy: #2F4B6E;
  --cb-orange: #FF6D00;
  --cb-text: #1A1A1A;
  --cb-text-muted: #5C6B7A;
  --cb-border: #D9E2E8;
  --cb-bg-light: #F4F7F5;
  --cb-white: #FFFFFF;

  --font-display: 'Archivo Black', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --container-w: 1280px;
  --header-h: 84px;

  --transition-fast: 0.2s ease;
  --transition-slow: 0.35s ease;
}

/* ---------- 焦点与降级动效 ---------- */
:focus-visible {
  outline: 3px solid var(--cb-orange);
  outline-offset: 2px;
  border-radius: 4px;
}

@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;
  }
}

/* ---------- 工具类 ---------- */
.sr-only,
.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;
}

.gold {
  color: var(--cb-gold);
}

.muted {
  color: var(--cb-text-muted);
}

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

/* ---------- 主容器 ---------- */
.main-content {
  min-height: 60vh;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 页头 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  color: var(--cb-white);
  background: linear-gradient(180deg, rgba(10, 46, 26, 0.94) 0%, rgba(10, 46, 26, 0.55) 68%, rgba(10, 46, 26, 0) 100%);
  transition: background var(--transition-slow), box-shadow var(--transition-slow);
}

.site-header[data-scrolled] {
  background: var(--cb-green-900);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.24);
}

.header-accent {
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--cb-orange) 0%, var(--cb-gold) 55%, rgba(201, 162, 39, 0) 100%);
}

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.scroll-progress-bar {
  display: block;
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--cb-gold), var(--cb-orange));
}

.header-topbar {
  display: none;
}

@media (min-width: 1024px) {
  .header-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 8px 24px 4px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.66);
  }

  .header-topbar-message {
    letter-spacing: 0.12em;
  }

  .header-topbar-actions {
    display: flex;
    gap: 8px;
  }

  .header-topbar-link {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: rgba(255, 255, 255, 0.78);
    font-size: 12px;
    text-decoration: none;
    transition: all var(--transition-fast);
  }

  .header-topbar-link:hover {
    color: var(--cb-white);
    border-color: var(--cb-gold);
    background: rgba(201, 162, 39, 0.14);
  }
}

.header-main {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
  z-index: 1052;
}

@media (min-width: 1024px) {
  .header-main {
    height: var(--header-h);
    padding: 0 24px;
  }
}

/* ---------- 品牌标识 ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--cb-green-500), var(--cb-green-700));
  color: var(--cb-white);
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 900;
  flex-shrink: 0;
  box-shadow:
    inset 0 -2px 4px rgba(0, 0, 0, 0.18),
    0 6px 16px rgba(0, 0, 0, 0.22);
}

.brand-logo::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(201, 162, 39, 0.55);
  border-radius: 11px;
  pointer-events: none;
}

.brand-type {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.brand-sub {
  font-size: 11px;
  color: var(--cb-gold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand--footer .brand-logo {
  width: 56px;
  height: 56px;
  font-size: 24px;
}

.brand--footer .brand-name {
  font-size: 24px;
}

/* ---------- 移动导航按钮 ---------- */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--cb-white);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--cb-gold);
}

@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle-icon {
  display: block;
  width: 18px;
  height: 14px;
  position: relative;
}

.nav-toggle-bar {
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.3s ease, opacity 0.3s ease, top 0.3s ease;
}

.nav-toggle-bar:nth-child(1) {
  top: 0;
}

.nav-toggle-bar:nth-child(2) {
  top: 6px;
}

.nav-toggle-bar:nth-child(3) {
  top: 12px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  top: 6px;
  transform: rotate(45deg);
}

.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: 6px;
  transform: rotate(-45deg);
}

.nav-toggle-label {
  font-size: 13px;
}

/* ---------- 导航 ---------- */
.site-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 1051;
  width: min(82vw, 380px);
  padding: 104px 28px 32px;
  background: var(--cb-green-900);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  transform: translateX(100%);
  pointer-events: none;
  transition: transform var(--transition-slow);
  overflow-y: auto;
}

.site-nav[data-open] {
  transform: translateX(0);
  pointer-events: auto;
}

@media (min-width: 1024px) {
  .site-nav {
    position: static;
    transform: none;
    pointer-events: auto;
    width: auto;
    padding: 0;
    background: transparent;
    border-left: 0;
    overflow: visible;
  }
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

@media (min-width: 1024px) {
  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 4px;
  }
}

.nav-item {
  display: block;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--cb-white);
}

.nav-link[aria-current="page"] {
  background: var(--cb-gold);
  color: var(--cb-green-900);
}

.nav-index {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--cb-gold);
  letter-spacing: 0.08em;
}

.nav-link[aria-current="page"] .nav-index {
  color: var(--cb-green-900);
}

/* ---------- 导航遮罩 ---------- */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 1049;
  background: rgba(10, 46, 26, 0.55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.nav-overlay[data-visible] {
  opacity: 1;
  pointer-events: auto;
}

@media (min-width: 1024px) {
  .nav-overlay {
    display: none;
  }
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 2000;
  padding: 10px 20px;
  background: var(--cb-gold);
  color: var(--cb-green-900);
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: top 0.25s ease;
}

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

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  background: var(--cb-green-900);
  color: rgba(255, 255, 255, 0.72);
}

.site-footer::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--cb-gold), var(--cb-orange) 55%, transparent 100%);
}

.footer-main {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 52px 20px 40px;
  display: grid;
  gap: 36px;
}

@media (min-width: 768px) {
  .footer-main {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-main {
    grid-template-columns: 1.6fr 1fr 1.2fr 1fr;
    gap: 48px;
  }
}

.footer-brand {
  display: grid;
  gap: 16px;
  align-content: start;
}

.footer-trust {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  max-width: 300px;
  line-height: 1.7;
}

.footer-col {
  display: grid;
  gap: 14px;
  align-content: start;
}

.footer-heading {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cb-gold);
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-list {
  display: grid;
  gap: 8px;
}

.footer-list a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 14px;
  transition: all var(--transition-fast);
}

.footer-list a:hover {
  color: var(--cb-white);
  padding-left: 4px;
}

.footer-list--contact {
  gap: 12px;
}

.contact-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 1px;
}

.contact-text {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.48);
}

@media (min-width: 768px) {
  .footer-bottom-inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

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

/* ---------- 区块体系 ---------- */
.section {
  padding: 64px 0;
}

.section--tight {
  padding: 36px 0;
}

.section--dark {
  background: var(--cb-green-900);
  color: #fff;
}

.section--light {
  background: var(--cb-bg-light);
}

.section--white {
  background: var(--cb-white);
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}

.section-number {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--cb-gold);
  letter-spacing: 0.12em;
}

.section-number::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--cb-gold);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--cb-text);
}

.section-desc {
  color: var(--cb-text-muted);
  max-width: 640px;
  font-size: 16px;
}

.section--dark .section-title {
  color: #fff;
}

.section--dark .section-desc {
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- 网格 ---------- */
.grid {
  display: grid;
  gap: 24px;
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

.grid--4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  background: none;
  font-weight: 700;
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--cb-orange);
  color: var(--cb-white);
  border-color: var(--cb-orange);
}

.btn-primary:hover {
  background: #E65100;
  border-color: #E65100;
  box-shadow: 0 8px 24px rgba(255, 109, 0, 0.25);
}

.btn-outline {
  border-color: var(--cb-gold);
  color: var(--cb-gold);
}

.btn-outline:hover {
  background: rgba(201, 162, 39, 0.12);
}

.btn-ghost {
  color: rgba(255, 255, 255, 0.82);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--cb-white);
  border: 1px solid var(--cb-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(16, 34, 24, 0.08);
}

.card--dark {
  background: var(--cb-navy);
  color: #fff;
  border-color: transparent;
}

.card--data {
  background: var(--cb-bg-light);
  border: 1px solid var(--cb-border);
}

.card--corner {
  position: relative;
}

.card--corner::after {
  content: "";
  position: absolute;
  top: 10px;
  right: 10px;
  width: 18px;
  height: 18px;
  border-top: 2px solid var(--cb-gold);
  border-right: 2px solid var(--cb-gold);
  border-radius: 0 8px 0 0;
  pointer-events: none;
}

/* ---------- 标签 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: var(--cb-bg-light);
  border: 1px solid var(--cb-border);
  font-size: 13px;
  font-weight: 600;
  color: var(--cb-text-muted);
  line-height: 1;
}

.chip--gold {
  background: rgba(201, 162, 39, 0.14);
  border-color: rgba(201, 162, 39, 0.3);
  color: #8A6D00;
}

.chip--orange {
  background: rgba(255, 109, 0, 0.12);
  border-color: rgba(255, 109, 0, 0.3);
  color: #BF4700;
}

.chip--dark {
  background: var(--cb-navy);
  color: #fff;
  border-color: transparent;
}

/* ---------- 数据展示 ---------- */
.data-display {
  background: var(--cb-navy);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.data-display::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.24) 0%, transparent 70%);
  pointer-events: none;
}

.scoreboard {
  background: linear-gradient(145deg, var(--cb-green-900), var(--cb-green-700));
  border-radius: var(--radius-lg);
  padding: 32px;
  color: #fff;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.scoreboard-score {
  font-family: var(--font-mono);
  font-size: clamp(44px, 7vw, 72px);
  font-weight: 800;
  color: var(--cb-gold);
  line-height: 1;
  letter-spacing: -0.03em;
}

/* ---------- 统计网格 ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

@media (min-width: 768px) {
  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  background: var(--cb-white);
  border: 1px solid var(--cb-border);
  border-radius: var(--radius-md);
  padding: 18px 16px;
}

.stat-item-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 800;
  color: var(--cb-green-700);
  line-height: 1.1;
}

.stat-item-label {
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cb-text-muted);
}

/* ---------- 时间线 ---------- */
.timeline {
  position: relative;
  display: grid;
  gap: 20px;
  padding-left: 44px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: linear-gradient(180deg, var(--cb-gold), var(--cb-green-500));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cb-orange);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--cb-gold);
}

/* ---------- 折叠手风琴 ---------- */
.accordion {
  display: grid;
  gap: 12px;
}

.accordion-item {
  background: var(--cb-white);
  border: 1px solid var(--cb-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

.accordion-item:focus-within {
  box-shadow: 0 0 0 3px rgba(255, 109, 0, 0.25);
}

.accordion-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  font-weight: 700;
  font-size: 16px;
  color: var(--cb-text);
  text-align: left;
}

.accordion-toggle::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cb-orange);
  transition: transform var(--transition-fast);
}

.accordion-toggle[aria-expanded="true"]::after {
  content: "−";
}

.accordion-panel {
  display: none;
  padding: 0 20px 20px;
  color: var(--cb-text-muted);
  font-size: 14px;
  line-height: 1.8;
}

.accordion-panel.is-open {
  display: block;
}

/* ---------- 图片容器 ---------- */
.img-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, var(--cb-green-900), var(--cb-navy));
}

.img-frame--tall {
  aspect-ratio: 4 / 5;
}

.img-frame--cover::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, transparent 55%, rgba(10, 46, 26, 0.7));
  pointer-events: none;
}

.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 斜切色带 ---------- */
.angle-band {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: linear-gradient(105deg, var(--cb-gold), var(--cb-orange));
  color: var(--cb-green-900);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
  transform: skewX(-8deg);
}

.angle-band > * {
  transform: skewX(8deg);
}

/* ---------- 框景首屏 ---------- */
.hero-frame {
  position: relative;
  padding: clamp(32px, 6vw, 72px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(10, 46, 26, 0.92), rgba(27, 94, 32, 0.82));
  color: #fff;
  overflow: hidden;
}

.hero-frame::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(201, 162, 39, 0.55);
  border-radius: calc(var(--radius-lg) - 6px);
  pointer-events: none;
}

.hero-frame::after {
  content: "";
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 36px;
  height: 36px;
  border-right: 2px solid var(--cb-gold);
  border-bottom: 2px solid var(--cb-gold);
  border-radius: 0 0 10px 0;
  pointer-events: none;
}

.hero-frame-label {
  position: absolute;
  top: -1px;
  left: 24px;
  z-index: 2;
  padding: 6px 18px;
  background: var(--cb-orange);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 0 0 10px 10px;
}

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 0;
  font-size: 13px;
  color: var(--cb-text-muted);
}

.breadcrumb a {
  color: var(--cb-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--cb-green-700);
}

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

.breadcrumb li + li::before {
  content: "/";
  color: var(--cb-border);
  font-family: var(--font-mono);
}

.breadcrumb [aria-current="page"] {
  color: var(--cb-text);
  font-weight: 700;
}

/* ---------- 页面标题区 ---------- */
.page-header {
  padding: 128px 0 48px;
  background: linear-gradient(160deg, var(--cb-green-900) 0%, var(--cb-green-700) 60%, var(--cb-green-500) 130%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.page-header::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.18), transparent 70%);
  pointer-events: none;
}

.page-header-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  max-width: 900px;
}

.page-header-desc {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.72);
  max-width: 640px;
  font-size: 16px;
}

/* ---------- 脚注 ---------- */
.footnote {
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid var(--cb-border);
  font-size: 13px;
  color: var(--cb-text-muted);
}