/* ========================================
   体育直播 - 全站主样式表
   电视转播控制台风格设计系统
   CSS前缀: zb-
   ======================================== */

/* === 防查重干扰标签隐藏 === */
.live-jammer-block { display: none; }

/* === Google Fonts 引入 === */
@import url('https://fonts.googleapis.com/css2?family=Roboto+Condensed:wght@400;700&display=swap');

/* === CSS 变量 === */
:root {
  --zb-color-primary: #111111;
  --zb-color-secondary: #FF4444;
  --zb-color-accent: #44FF44;
  --zb-color-text: #DDDDDD;
  --zb-color-link: #FF4444;
  --zb-color-bg-dark: #0a0a0a;
  --zb-color-bg-card: #1a1a1a;
  --zb-color-border: #333333;
  --zb-font-heading: 'Roboto Condensed', 'Microsoft YaHei', sans-serif;
  --zb-font-body: 'Source Han Sans CN', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --zb-radius: 2px;
  --zb-transition: 0.2s ease;
}

/* === Reset & Base === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--zb-font-body);
  background-color: var(--zb-color-primary);
  color: var(--zb-color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--zb-color-link);
  text-decoration: none;
  transition: color var(--zb-transition);
}

a:hover {
  color: var(--zb-color-accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--zb-font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: #ffffff;
}

ul, ol {
  list-style: none;
}

/* === 容器 === */
.zb-container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .zb-container { padding: 0 24px; }
}

@media (min-width: 1024px) {
  .zb-container { padding: 0 32px; }
}

/* === 导航栏 === */
.zb-header {
  background: linear-gradient(180deg, #111111 0%, #0d0d0d 100%);
  background-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 2px,
    rgba(255,255,255,0.02) 2px,
    rgba(255,255,255,0.02) 4px
  );
  border-bottom: 1px solid var(--zb-color-border);
  padding: 0;
  z-index: 100;
  position: relative;
}

.zb-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.zb-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.zb-logo-icon {
  width: 36px;
  height: 36px;
  position: relative;
}

.zb-logo-icon svg {
  width: 100%;
  height: 100%;
}

.zb-logo-text {
  font-family: var(--zb-font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 1px;
}

.zb-logo-text span {
  color: var(--zb-color-secondary);
}

/* Desktop Nav */
.zb-nav {
  display: none;
}

@media (min-width: 768px) {
  .zb-nav {
    display: flex;
    align-items: center;
    gap: 0;
  }
}

.zb-nav-link {
  font-family: var(--zb-font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--zb-color-text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 18px 14px;
  position: relative;
  transition: color var(--zb-transition);
  white-space: nowrap;
}

@media (min-width: 1024px) {
  .zb-nav-link {
    padding: 18px 18px;
    font-size: 0.95rem;
  }
}

.zb-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--zb-color-accent);
  transition: width var(--zb-transition);
  border-radius: 2px 2px 0 0;
}

.zb-nav-link:hover {
  color: var(--zb-color-secondary);
}

.zb-nav-link:hover::after,
.zb-nav-link.zb-active::after {
  width: 80%;
}

.zb-nav-link.zb-active {
  color: var(--zb-color-secondary);
}

/* Hamburger */
.zb-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  z-index: 200;
}

@media (min-width: 768px) {
  .zb-hamburger { display: none; }
}

.zb-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--zb-color-text);
  transition: all 0.3s ease;
  border-radius: 1px;
}

.zb-hamburger.zb-open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.zb-hamburger.zb-open span:nth-child(2) {
  opacity: 0;
}

.zb-hamburger.zb-open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.zb-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 70%;
  max-width: 320px;
  height: 100vh;
  background: #0d0d0d;
  border-left: 1px solid var(--zb-color-border);
  z-index: 150;
  transition: right 0.3s ease;
  padding: 80px 24px 24px;
  overflow-y: auto;
}

.zb-mobile-menu.zb-open {
  right: 0;
}

.zb-mobile-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 140;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.zb-mobile-overlay.zb-open {
  opacity: 1;
  visibility: visible;
}

.zb-mobile-nav-link {
  display: block;
  font-family: var(--zb-font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--zb-color-text);
  padding: 14px 0;
  border-bottom: 1px solid var(--zb-color-border);
  transition: all var(--zb-transition);
}

.zb-mobile-nav-link:hover,
.zb-mobile-nav-link.zb-active {
  color: var(--zb-color-secondary);
  padding-left: 8px;
}

/* === Section 通用 === */
.zb-section {
  padding: 48px 0;
}

@media (min-width: 768px) {
  .zb-section { padding: 64px 0; }
}

@media (min-width: 1024px) {
  .zb-section { padding: 80px 0; }
}

.zb-section-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
  position: relative;
  display: inline-block;
}

@media (min-width: 768px) {
  .zb-section-title { font-size: 1.8rem; }
}

.zb-section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1em;
  background: var(--zb-color-secondary);
  margin-right: 12px;
  vertical-align: middle;
  border-radius: 1px;
}

.zb-section-desc {
  color: #999;
  font-size: 0.95rem;
  margin-bottom: 32px;
  max-width: 700px;
  line-height: 1.8;
}

.zb-section-header {
  margin-bottom: 40px;
}

/* === Hero / 主视觉直播窗 === */
.zb-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #000;
}

@media (min-width: 768px) {
  .zb-hero { min-height: 70vh; }
}

.zb-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: brightness(0.6);
}

.zb-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(17,17,17,0.95) 100%);
}

.zb-hero-content {
  position: relative;
  z-index: 2;
  padding: 40px 0;
}

.zb-hero h1 {
  font-size: 2rem;
  margin-bottom: 16px;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .zb-hero h1 { font-size: 2.8rem; }
}

@media (min-width: 1024px) {
  .zb-hero h1 { font-size: 3.2rem; }
}

.zb-hero-text {
  font-size: 1rem;
  color: #bbb;
  max-width: 600px;
  margin-bottom: 24px;
  line-height: 1.8;
}

.zb-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,68,68,0.15);
  border: 1px solid var(--zb-color-secondary);
  padding: 6px 16px;
  border-radius: var(--zb-radius);
  font-size: 0.85rem;
  color: var(--zb-color-secondary);
  font-family: var(--zb-font-heading);
  font-weight: 700;
  margin-bottom: 20px;
}

.zb-hero-badge .zb-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--zb-color-secondary);
  animation: zb-pulse 1.5s infinite;
}

@keyframes zb-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

/* === 按钮 === */
.zb-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--zb-font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 28px;
  border: none;
  border-radius: var(--zb-radius);
  cursor: pointer;
  transition: all var(--zb-transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.zb-btn-primary {
  background: var(--zb-color-secondary);
  color: #fff;
}

.zb-btn-primary:hover {
  background: #ff6666;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255,68,68,0.3);
}

.zb-btn-accent {
  background: var(--zb-color-accent);
  color: #111;
}

.zb-btn-accent:hover {
  background: #66ff66;
  color: #111;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(68,255,68,0.3);
}

.zb-btn-outline {
  background: transparent;
  color: var(--zb-color-text);
  border: 1px solid var(--zb-color-border);
}

.zb-btn-outline:hover {
  border-color: var(--zb-color-secondary);
  color: var(--zb-color-secondary);
}

/* === 卡片 === */
.zb-card {
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  border-radius: var(--zb-radius);
  overflow: hidden;
  transition: all var(--zb-transition);
}

.zb-card:hover {
  border-color: var(--zb-color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.zb-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.zb-card-body {
  padding: 16px;
}

.zb-card-title {
  font-size: 1rem;
  margin-bottom: 8px;
}

.zb-card-text {
  font-size: 0.85rem;
  color: #999;
  line-height: 1.6;
}

/* === 网格布局 === */
.zb-grid {
  display: grid;
  gap: 16px;
}

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

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

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

@media (min-width: 768px) {
  .zb-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .zb-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .zb-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .zb-grid { gap: 20px; }
}

@media (min-width: 1024px) {
  .zb-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .zb-grid-4 { grid-template-columns: repeat(4, 1fr); }
  .zb-grid { gap: 24px; }
}

/* === 赛事矩阵 === */
.zb-match-card {
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  border-radius: var(--zb-radius);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--zb-transition);
}

.zb-match-card:hover {
  border-color: var(--zb-color-accent);
  box-shadow: 0 0 15px rgba(68,255,68,0.1);
}

.zb-match-team {
  text-align: center;
  flex: 1;
}

.zb-match-team-name {
  font-family: var(--zb-font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  margin-top: 6px;
}

.zb-match-team-logo {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--zb-color-border);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.zb-match-score {
  text-align: center;
  padding: 0 12px;
}

.zb-match-score-num {
  font-family: var(--zb-font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 4px;
}

.zb-match-status {
  font-size: 0.7rem;
  color: var(--zb-color-accent);
  font-weight: 700;
  text-transform: uppercase;
}

.zb-match-live-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--zb-color-secondary);
  animation: zb-pulse 1.5s infinite;
  margin-right: 4px;
  vertical-align: middle;
}

.zb-match-league {
  font-size: 0.7rem;
  color: #666;
  margin-top: 4px;
}

/* === CTA 直播调度台入口 === */
.zb-cta-section {
  position: relative;
  padding: 60px 0;
  background: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 50%, #0d0d0d 100%);
  border-top: 1px solid var(--zb-color-border);
  border-bottom: 1px solid var(--zb-color-border);
  overflow: hidden;
}

.zb-cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(68,255,68,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(68,255,68,0.03) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

.zb-cta-content {
  position: relative;
  text-align: center;
  z-index: 2;
}

.zb-cta-content h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .zb-cta-content h2 { font-size: 2.2rem; }
}

.zb-cta-content p {
  color: #999;
  margin-bottom: 24px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* === 时间轴 === */
.zb-timeline {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.zb-timeline::-webkit-scrollbar {
  height: 4px;
}

.zb-timeline::-webkit-scrollbar-track {
  background: var(--zb-color-bg-card);
}

.zb-timeline::-webkit-scrollbar-thumb {
  background: var(--zb-color-border);
  border-radius: 2px;
}

.zb-timeline-item {
  flex: 0 0 260px;
  scroll-snap-align: start;
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  border-radius: var(--zb-radius);
  padding: 16px;
  transition: all var(--zb-transition);
}

.zb-timeline-item:hover {
  border-color: var(--zb-color-secondary);
}

.zb-timeline-time {
  font-family: var(--zb-font-heading);
  font-size: 0.8rem;
  color: var(--zb-color-accent);
  font-weight: 700;
  margin-bottom: 8px;
}

.zb-timeline-match {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.zb-timeline-league {
  font-size: 0.75rem;
  color: #666;
}

/* === 频道卡片 === */
.zb-channel-card {
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  border-radius: var(--zb-radius);
  padding: 20px;
  text-align: center;
  transition: all var(--zb-transition);
}

.zb-channel-card:hover {
  border-color: var(--zb-color-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}

.zb-channel-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--zb-color-secondary), #ff6666);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #fff;
  font-weight: 700;
}

.zb-channel-name {
  font-family: var(--zb-font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.zb-channel-online {
  font-size: 0.75rem;
  color: var(--zb-color-accent);
}

.zb-channel-online::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--zb-color-accent);
  margin-right: 4px;
  vertical-align: middle;
}

/* === 新闻滚动条 === */
.zb-ticker-wrapper {
  background: #0a0a0a;
  border-top: 1px solid var(--zb-color-border);
  border-bottom: 1px solid var(--zb-color-border);
  padding: 12px 0;
  overflow: hidden;
}

.zb-ticker-inner {
  display: flex;
  animation: zb-ticker-scroll 30s linear infinite;
  white-space: nowrap;
}

.zb-ticker-item {
  flex-shrink: 0;
  padding: 0 40px;
  font-size: 0.85rem;
  color: var(--zb-color-text);
}

.zb-ticker-item .zb-ticker-tag {
  color: var(--zb-color-secondary);
  font-weight: 700;
  margin-right: 8px;
  font-family: var(--zb-font-heading);
}

@keyframes zb-ticker-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* === 解说员卡片 === */
.zb-commentator-card {
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  border-radius: var(--zb-radius);
  padding: 24px;
  text-align: center;
  transition: all var(--zb-transition);
}

.zb-commentator-card:hover {
  border-color: var(--zb-color-secondary);
}

.zb-commentator-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--zb-color-border);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border: 2px solid var(--zb-color-secondary);
}

.zb-commentator-name {
  font-family: var(--zb-font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.zb-commentator-role {
  font-size: 0.8rem;
  color: var(--zb-color-secondary);
  margin-bottom: 8px;
}

.zb-commentator-desc {
  font-size: 0.8rem;
  color: #888;
  line-height: 1.6;
}

/* === 技术特性 === */
.zb-feature-item {
  text-align: center;
  padding: 24px 16px;
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  border-radius: var(--zb-radius);
  transition: all var(--zb-transition);
}

.zb-feature-item:hover {
  border-color: var(--zb-color-accent);
}

.zb-feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--zb-color-accent);
  border: 1px solid var(--zb-color-accent);
  border-radius: 50%;
}

.zb-feature-title {
  font-family: var(--zb-font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.zb-feature-desc {
  font-size: 0.8rem;
  color: #888;
  line-height: 1.6;
}

/* === 合作伙伴 === */
.zb-partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: center;
}

.zb-partner-logo {
  width: 100px;
  height: 50px;
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  border-radius: var(--zb-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: #666;
  font-family: var(--zb-font-heading);
  transition: all var(--zb-transition);
}

.zb-partner-logo:hover {
  border-color: var(--zb-color-accent);
  color: var(--zb-color-text);
}

.zb-award-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, rgba(255,215,0,0.1), rgba(255,215,0,0.05));
  border: 1px solid rgba(255,215,0,0.3);
  padding: 16px 24px;
  border-radius: var(--zb-radius);
  margin-top: 24
px;
}

.zb-award-icon {
  font-size: 2rem;
}

.zb-award-text {
  font-family: var(--zb-font-heading);
  font-size: 0.9rem;
  color: rgba(255,215,0,0.9);
  font-weight: 700;
}

.zb-award-sub {
  font-size: 0.75rem;
  color: #888;
  font-weight: 400;
}

/* === 页脚 === */
.zb-footer {
  background: #0a0a0a;
  border-top: 1px solid var(--zb-color-border);
  padding: 48px 0 0;
}

.zb-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-bottom: 32px;
}

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

.zb-footer-col h3 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: #fff;
  font-family: var(--zb-font-heading);
}

.zb-footer-col p {
  font-size: 0.85rem;
  color: #888;
  line-height: 1.7;
  margin-bottom: 12px;
}

.zb-footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.zb-footer-links a {
  font-size: 0.85rem;
  color: #888;
  transition: color var(--zb-transition);
}

.zb-footer-links a:hover {
  color: var(--zb-color-secondary);
}

.zb-footer-social {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.zb-footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--zb-color-text);
  transition: all var(--zb-transition);
}

.zb-footer-social a:hover {
  border-color: var(--zb-color-secondary);
  color: var(--zb-color-secondary);
}

.zb-footer-bottom {
  border-top: 1px solid var(--zb-color-border);
  padding: 20px 0;
  text-align: center;
}

.zb-footer-legal {
  font-size: 0.75rem;
  color: #666;
  margin-bottom: 8px;
}

.zb-footer-legal a {
  color: #888;
  margin: 0 4px;
}

.zb-footer-legal a:hover {
  color: var(--zb-color-secondary);
}

.zb-separator {
  margin: 0 8px;
  color: #444;
}

.zb-footer-award {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: rgba(255,215,0,0.7);
  margin-bottom: 12px;
}

.zb-footer-copyright {
  font-size: 0.7rem;
  color: #555;
}

/* === 内页通用 === */
.zb-page-hero {
  position: relative;
  padding: 60px 0 40px;
  background: linear-gradient(180deg, #0a0a0a 0%, var(--zb-color-primary) 100%);
  border-bottom: 1px solid var(--zb-color-border);
  overflow: hidden;
}

.zb-page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(255,68,68,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,68,68,0.02) 1px, transparent 1px);
  background-size: 40px 40px;
}

@media (min-width: 768px) {
  .zb-page-hero { padding: 80px 0 60px; }
}

.zb-page-hero h1 {
  font-size: 1.8rem;
  position: relative;
  z-index: 2;
}

@media (min-width: 768px) {
  .zb-page-hero h1 { font-size: 2.4rem; }
}

.zb-page-hero p {
  color: #999;
  margin-top: 12px;
  position: relative;
  z-index: 2;
  max-width: 600px;
}

/* === 内页文章 === */
.zb-article {
  max-width: 900px;
  margin: 0 auto;
}

.zb-article-content {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--zb-color-text);
}

.zb-article-content h2 {
  font-size: 1.4rem;
  margin: 32px 0 16px;
  padding-left: 16px;
  border-left: 3px solid var(--zb-color-secondary);
}

.zb-article-content h3 {
  font-size: 1.15rem;
  margin: 24px 0 12px;
}

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

.zb-article-content img {
  width: 100%;
  border-radius: var(--zb-radius);
  margin: 24px 0;
  border: 1px solid var(--zb-color-border);
}

/* === 直播调度台 === */
.zb-desk-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .zb-desk-grid { gap: 12px; }
}

.zb-desk-slot {
  aspect-ratio: 16/9;
  background: #0a0a0a;
  border: 1px dashed var(--zb-color-border);
  border-radius: var(--zb-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #555;
  font-size: 0.8rem;
  font-family: var(--zb-font-heading);
  transition: all var(--zb-transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.zb-desk-slot:hover {
  border-color: var(--zb-color-accent);
  color: var(--zb-color-accent);
}

.zb-desk-slot.zb-slot-active {
  border-style: solid;
  border-color: var(--zb-color-accent);
}

.zb-desk-slot.zb-slot-active img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
}

.zb-desk-signals {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

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

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

.zb-signal-card {
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  border-radius: var(--zb-radius);
  padding: 12px;
  cursor: grab;
  transition: all var(--zb-transition);
  user-select: none;
}

.zb-signal-card:hover {
  border-color: var(--zb-color-secondary);
}

.zb-signal-card:active {
  cursor: grabbing;
  opacity: 0.7;
}

.zb-signal-name {
  font-family: var(--zb-font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.zb-signal-info {
  font-size: 0.7rem;
  color: #666;
}

.zb-signal-status {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--zb-color-accent);
  margin-right: 4px;
  vertical-align: middle;
}

/* === 控制台布局 === */
.zb-desk-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 1024px) {
  .zb-desk-layout {
    grid-template-columns: 1fr 300px;
  }
}

.zb-desk-chat {
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  border-radius: var(--zb-radius);
  display: flex;
  flex-direction: column;
  max-height: 500px;
}

.zb-desk-chat-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--zb-color-border);
  font-family: var(--zb-font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--zb-color-accent);
}

.zb-desk-chat-body {
  flex: 1;
  padding: 12px 16px;
  overflow-y: auto;
  font-size: 0.8rem;
}

.zb-chat-msg {
  margin-bottom: 10px;
}

.zb-chat-user {
  color: var(--zb-color-secondary);
  font-weight: 700;
  margin-right: 6px;
}

.zb-chat-text {
  color: var(--zb-color-text);
}

.zb-desk-chat-input {
  display: flex;
  border-top: 1px solid var(--zb-color-border);
}

.zb-desk-chat-input input {
  flex: 1;
  background: transparent;
  border: none;
  padding: 12px 16px;
  color: var(--zb-color-text);
  font-size: 0.85rem;
  outline: none;
}

.zb-desk-chat-input button {
  background: var(--zb-color-secondary);
  border: none;
  color: #fff;
  padding: 12px 16px;
  font-family: var(--zb-font-heading);
  font-weight: 700;
  cursor: pointer;
  transition: background var(--zb-transition);
}

.zb-desk-chat-input button:hover {
  background: #ff6666;
}

/* === APP下载页 === */
.zb-app-hero {
  text-align: center;
  padding: 60px 0;
}

.zb-app-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 32px 0;
}

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

.zb-app-feature {
  text-align: center;
  padding: 20px;
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  border-radius: var(--zb-radius);
}

.zb-app-feature-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.zb-app-feature-text {
  font-family: var(--zb-font-heading);
  font-size: 0.9rem;
  font-weight: 700;
}

.zb-download-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.zb-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--zb-color-bg-card);
  border: 2px solid var(--zb-color-accent);
  border-radius: var(--zb-radius);
  padding: 14px 28px;
  color: var(--zb-color-accent);
  font-family: var(--zb-font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--zb-transition);
  box-shadow: 0 0 15px rgba(68,255,68,0.1);
}

.zb-download-btn:hover {
  background: var(--zb-color-accent);
  color: #111;
  box-shadow: 0 0 30px rgba(68,255,68,0.3);
}

/* === 返回顶部 === */
.zb-back-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--zb-color-text);
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--zb-transition);
  z-index: 50;
}

.zb-back-top.zb-visible {
  opacity: 1;
  visibility: visible;
}

.zb-back-top:hover {
  border-color: var(--zb-color-secondary);
  color: var(--zb-color-secondary);
}

/* === 淡入动画 === */
.zb-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.zb-fade-in.zb-visible {
  opacity: 1;
  transform: translateY(0);
}

/* === 标签/徽章 === */
.zb-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.7rem;
  font-family: var(--zb-font-heading);
  font-weight: 700;
  border-radius: var(--zb-radius);
  text-transform: uppercase;
}

.zb-tag-live {
  background: var(--zb-color-secondary);
  color: #fff;
}

.zb-tag-upcoming {
  background: rgba(68,255,68,0.15);
  color: var(--zb-color-accent);
  border: 1px solid rgba(68,255,68,0.3);
}

.zb-tag-replay {
  background: rgba(255,255,255,0.1);
  color: #999;
}

/* === 内页赛事列表 === */
.zb-match-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.zb-match-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--zb-color-bg-card);
  border: 1px solid var(--zb-color-border);
  border-radius: var(--zb-radius);
  padding: 16px;
  transition: all var(--zb-transition);
}

.zb-match-list-item:hover {
  border-color: var(--zb-color-secondary);
}

.zb-match-list-teams {
  flex: 1;
}

.zb-match-list-vs {
  font-family: var(--zb-font-heading);
  font-weight: 700;
  font-size: 0.95rem;
}

.zb-match-list-meta {
  font-size: 0.75rem;
  color: #666;
  margin-top: 4px;
}

.zb-match-list-action {
  flex-shrink: 0;
}