/* =========================================
   看球网 KQIU.COM — 主样式表
   设计：白色 + 品牌蓝 #1e6bff + 多主题色
   断点：< 576  /  576+  /  768+  /  1024+  /  1440+
   ========================================= */

/* 基础重置 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: #1f2937;
  background: #f6f8fb;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
input { font-family: inherit; }

/* 容器 */
.container {
  width: 100%;
  margin: 0 auto;
  padding: 0 16px;
}
@media (min-width: 768px)  { .container { padding: 0 24px; } }
@media (min-width: 1024px) { .container { max-width: 1080px; } }
@media (min-width: 1280px) { .container { max-width: 1280px; } }
@media (min-width: 1440px) { .container { max-width: 1440px; } }

/* 顶部导航 */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #eef0f5;
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 24px;
}
.logo { display: flex; align-items: center; gap: 8px; }
.logo-mark { display: flex; }
.logo-text { display: flex; flex-direction: column; font-weight: 700; font-size: 17px; color: #0f172a; line-height: 1; }
.logo-text small { font-size: 10px; font-weight: 500; color: #64748b; letter-spacing: 1px; margin-top: 2px; }

.nav-menu { display: flex; gap: 28px; }
.nav-menu a {
  font-size: 14px; color: #475569; font-weight: 500;
  padding: 6px 0; position: relative; transition: color .2s;
}
.nav-menu a:hover { color: #1e6bff; }
.nav-menu a.active { color: #1e6bff; }
.nav-menu a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -22px;
  height: 2px; background: #1e6bff; border-radius: 2px;
}

.nav-right { display: flex; align-items: center; gap: 12px; }
.search-bar {
  display: flex; align-items: center;
  background: #f1f4f8; border-radius: 20px;
  padding: 6px 10px 6px 14px; gap: 6px;
  min-width: 200px;
}
.search-bar input {
  border: none; background: transparent; outline: none;
  font-size: 13px; color: #334155; width: 100%;
}
.search-bar input::placeholder { color: #94a3b8; }
.search-bar button { color: #64748b; display: flex; padding: 2px; }
.icon-btn {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #475569; background: #f1f4f8; transition: all .2s;
}
.icon-btn:hover { background: #e7ecf3; color: #1e6bff; }
.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  width: 32px; height: 32px; padding: 6px;
}
.menu-toggle span {
  display: block; height: 2px; background: #1e293b; border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero Banner */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #eff5ff 0%, #ffffff 40%, #fff0f0 100%);
  padding: 64px 0 72px;
}
.hero::before,
.hero::after {
  content: ""; position: absolute; pointer-events: none;
}
.hero::before {
  top: -40%; right: -10%; width: 60%; height: 160%;
  background: repeating-linear-gradient(
    -30deg,
    rgba(30,107,255,.07) 0px, rgba(30,107,255,.07) 2px,
    transparent 2px, transparent 20px
  );
  transform: rotate(8deg);
}
.hero::after {
  bottom: -20%; left: -10%; width: 50%; height: 120%;
  background: repeating-linear-gradient(
    -30deg,
    rgba(239,68,68,.07) 0px, rgba(239,68,68,.07) 2px,
    transparent 2px, transparent 20px
  );
  transform: rotate(-10deg);
}
.hero-wrap {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
}
.hero-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900; color: #0f172a; line-height: 1.2;
}
.hero-title span {
  background: linear-gradient(90deg, #1e6bff, #ef4444);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-desc {
  margin-top: 16px; font-size: clamp(14px, 1.6vw, 16px);
  color: #64748b; font-weight: 500;
}
.hero-btns { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 12px 22px; border-radius: 26px;
  font-weight: 600; font-size: 14px; transition: all .2s;
}
.btn-primary {
  background: #1e6bff; color: #fff;
  box-shadow: 0 8px 24px rgba(30,107,255,.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(30,107,255,.4); }
.btn-outline {
  background: #fff; color: #334155; border: 1px solid #e2e8f0;
}
.btn-outline:hover { border-color: #1e6bff; color: #1e6bff; }
.btn-icon { font-size: 16px; }

.hero-visual {
  position: relative; height: clamp(220px, 28vw, 360px);
  display: flex; align-items: center; justify-content: center;
}
.hero-ball {
  position: absolute; filter: drop-shadow(0 20px 40px rgba(0,0,0,.15));
  pointer-events: none;
}
.soccer-ball {
  width: clamp(140px, 18vw, 220px);
  right: 42%; top: 2%;
  animation: float-soccer 4s ease-in-out infinite;
}
.basket-ball {
  width: clamp(120px, 15vw, 180px);
  right: 2%; bottom: 4%;
  animation: float-basket 5s ease-in-out infinite;
}
@keyframes float-soccer {
  0%,100% { transform: translateY(0) rotate(0deg); }
  50%     { transform: translateY(-10px) rotate(8deg); }
}
@keyframes float-basket {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-8px); }
}

/* 统计卡片 */
.stats {
  margin-top: -40px; position: relative; z-index: 2;
  display: grid; gap: 16px;
  grid-template-columns: repeat(6, 1fr);
}
.stat-card {
  background: #fff; border-radius: 12px; padding: 18px 20px;
  display: flex; align-items: center; gap: 14px;
  box-shadow: 0 4px 20px rgba(15,23,42,.06);
  transition: transform .2s, box-shadow .2s;
}
.stat-card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(15,23,42,.1); }
.stat-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center; color: #fff; flex-shrink: 0;
}
.stat-icon.blue   { background: linear-gradient(135deg, #1e6bff, #4f8fff); }
.stat-icon.green  { background: linear-gradient(135deg, #10b981, #34d399); }
.stat-icon.orange { background: linear-gradient(135deg, #f97316, #fb923c); }
.stat-icon.purple { background: linear-gradient(135deg, #8b5cf6, #a78bfa); }
.stat-icon.red    { background: linear-gradient(135deg, #ef4444, #f87171); }
.stat-icon.indigo { background: linear-gradient(135deg, #6366f1, #818cf8); }
.stat-info { display: flex; flex-direction: column; line-height: 1.2; }
.stat-num { font-size: 22px; font-weight: 900; color: #0f172a; }
.stat-label { font-size: 12px; color: #64748b; margin-top: 3px; }
.stat-hot .stat-info,
.stat-chart .stat-info { flex-direction: row; align-items: center; font-weight: 600; color: #334155; }

/* 区块通用头 */
.section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.section-title {
  display: flex; align-items: center; gap: 8px; color: #1e6bff;
  font-weight: 700; font-size: 16px;
}
.section-title h2 { font-size: 18px; color: #0f172a; font-weight: 700; }
.more { font-size: 13px; color: #64748b; font-weight: 500; transition: color .2s; }
.more:hover { color: #1e6bff; }

/* 今日赛事 + 侧边栏 */
.match-section {
  display: grid; grid-template-columns: 1.7fr 1fr; gap: 24px;
  margin-top: 48px;
}
.tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.tab {
  padding: 7px 16px; border-radius: 18px; font-size: 13px; font-weight: 500;
  color: #64748b; background: #f1f4f8; transition: all .2s;
}
.tab.active { background: #1e6bff; color: #fff; }
.tab:not(.active):hover { color: #1e6bff; }

.match-list { display: flex; flex-direction: column; gap: 10px; }
.match-item {
  background: #fff; border-radius: 12px; padding: 16px 20px;
  display: grid; grid-template-columns: 160px 1fr auto;
  align-items: center; gap: 16px;
  box-shadow: 0 2px 12px rgba(15,23,42,.05);
  transition: transform .15s, box-shadow .15s;
}
.match-item:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(15,23,42,.08); }
.match-time {
  display: flex; align-items: center; gap: 6px; flex-wrap: nowrap;
}
.sport-ico {
  width: 18px; height: 18px; object-fit: contain; flex-shrink: 0;
  filter: drop-shadow(0 2px 3px rgba(0,0,0,.15));
}
.match-time strong { font-size: 16px; font-weight: 800; color: #0f172a; white-space: nowrap; }
.league-tag {
  font-size: 11px; color: #1e6bff; font-weight: 600;
  background: #eff5ff; padding: 3px 8px; border-radius: 10px;
  white-space: nowrap; flex-shrink: 0;
}
.match-item.basketball .league-tag { background: #ffedd5; color: #ea580c; }
.match-item.basketball .sport-ico { filter: drop-shadow(0 2px 3px rgba(234,88,12,.2)); }

.match-teams {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px;
}
.team { display: flex; align-items: center; gap: 10px; }
.team.home { justify-content: flex-end; }
.team-flag {
  width: 32px; height: 32px; border-radius: 50%;
  object-fit: contain; flex-shrink: 0;
  background: #fff; padding: 2px;
  box-shadow: 0 2px 6px rgba(0,0,0,.08);
}
.team-name { font-size: 14px; font-weight: 600; color: #1f2937; }
.match-vs {
  font-size: 12px; font-weight: 700; color: #94a3b8; letter-spacing: 1px;
  padding: 4px 10px; border-radius: 10px; background: #f1f4f8;
}
.match-status {
  font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 14px;
}
.match-status.pending { background: #f1f4f8; color: #64748b; }
.match-status.live { background: #fef2f2; color: #ef4444; }

.view-all { text-align: center; margin-top: 18px; }
.btn-link {
  color: #1e6bff; font-size: 13px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 4px;
}
.btn-link:hover { text-decoration: underline; }

/* 侧边卡片 */
.sidebar { display: flex; flex-direction: column; gap: 16px; }
.card {
  background: #fff; border-radius: 12px; padding: 18px;
  box-shadow: 0 2px 12px rgba(15,23,42,.05);
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.card-head h3 { font-size: 15px; font-weight: 700; color: #0f172a; }

/* 电视频道 */
.channel-card .card-head { margin-bottom: 14px; }
.channel-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
}
.ch-item {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 10px 6px; border-radius: 10px;
  background: #f8fafc; transition: all .15s; text-align: center;
}
.ch-item:hover { background: #eff5ff; transform: translateY(-2px); }
.ch-item.active { background: #eff5ff; box-shadow: inset 0 0 0 1px #1e6bff; }
.ch-logo {
  width: 44px; height: 44px; border-radius: 10px;
  object-fit: contain; background: #fff; padding: 3px;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.ch-info strong {
  display: block; font-size: 12px; font-weight: 700; color: #0f172a;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%;
}
.ch-info span { font-size: 10px; color: #94a3b8; }

/* 联赛列表 */
.league-list { display: flex; flex-direction: column; gap: 6px; }
.league-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 6px; border-radius: 8px; transition: background .15s;
}
.league-list li:hover { background: #f8fafc; }
.league-ico {
  width: 32px; height: 32px; border-radius: 8px;
  object-fit: contain; flex-shrink: 0;
  background: #fff; padding: 1px;
  box-shadow: 0 2px 6px rgba(0,0,0,.06);
}
.league-list li div { flex: 1; min-width: 0; display: flex; align-items: center; gap: 6px; }
.league-list li strong { font-size: 13px; color: #1f2937; font-weight: 700; }
.league-list li small { font-size: 11px; color: #94a3b8; }
.league-list li small::before { content: '· '; color: #cbd5e1; }
.league-list li em { font-style: normal; font-size: 12px; color: #1e6bff; font-weight: 600; padding-left: 4px; }

/* 数据中心 */
.data-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.data-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px; background: #f8fafc;
  font-size: 13px; font-weight: 500; color: #334155;
  transition: all .15s;
}
.data-item:hover { background: #eff5ff; color: #1e6bff; }
.data-ico {
  width: 36px; height: 36px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; font-size: 16px;
}
.data-ico.green  { background: #dcfce7; }
.data-ico.blue   { background: #dbeafe; }
.data-ico.purple { background: #ede9fe; }
.data-ico.orange { background: #ffedd5; }

/* 热门赛事 */
.popular-leagues { margin-top: 40px; }
.league-logos {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px;
}
.league-logo-card {
  background: #fff; border-radius: 12px; padding: 20px 12px;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  box-shadow: 0 2px 12px rgba(15,23,42,.05);
  transition: transform .2s, box-shadow .2s; text-align: center;
}
.league-logo-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(15,23,42,.1); }
.league-logo-card span { font-weight: 700; font-size: 14px; color: #1f2937; }
.league-logo-card small { font-size: 11px; color: #94a3b8; }
.league-logo {
  width: 64px; height: 64px; border-radius: 50%;
  object-fit: contain;
  background: #fff; padding: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
}

/* 侧边栏资讯（一行显示：图+标题+日期） */
.news-sidebar .card-head { margin-bottom: 12px; }
.news-side-list { display: flex; flex-direction: column; gap: 10px; }
.news-side-item {
  display: grid; grid-template-columns: 60px 1fr; gap: 10px;
  align-items: center; padding: 4px 6px; border-radius: 8px;
  transition: background .15s;
}
.news-side-item:hover { background: #f8fafc; }
.news-side-img {
  width: 60px; height: 42px; border-radius: 5px;
  object-fit: cover; background: #e2e8f0; flex-shrink: 0;
}
.news-side-info {
  display: flex; align-items: center; gap: 8px;
  min-width: 0;
}
.news-side-info h4 {
  flex: 1; min-width: 0;
  font-size: 12px; font-weight: 600; color: #1f2937;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.news-side-info span {
  font-size: 10px; color: #94a3b8; flex-shrink: 0;
}

/* 足球录像（与资讯同款一行紧凑） */
.video-card { margin-top: 16px; }
.video-card .card-head { margin-bottom: 12px; }
.video-side-list { display: flex; flex-direction: column; gap: 10px; }
.video-side-item {
  display: grid; grid-template-columns: 60px 1fr; gap: 10px;
  align-items: center; padding: 4px 6px; border-radius: 8px;
  transition: background .15s;
}
.video-side-item:hover { background: #f8fafc; }
.video-side-img {
  width: 60px; height: 42px; border-radius: 5px;
  object-fit: cover; background: #e2e8f0; flex-shrink: 0;
}
.video-side-info {
  display: flex; align-items: center; gap: 8px;
  min-width: 0;
}
.video-side-info h4 {
  flex: 1; min-width: 0;
  font-size: 12px; font-weight: 600; color: #1f2937;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.video-side-info span {
  font-size: 10px; color: #94a3b8; flex-shrink: 0;
}

/* 热门标签 */
.tags-card { margin-top: 16px; }
.tags-card .card-head { margin-bottom: 10px; }
.tags-cloud {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.tag {
  font-size: 11px; font-weight: 500; color: #475569;
  background: #f1f5f9; padding: 4px 10px; border-radius: 12px;
  transition: all .15s;
}
.tag:hover { background: #eff5ff; color: #1e6bff; }
.tag.hot { background: #fff1f0; color: #ef4444; }
.tag.hot::before { content: '🔥 '; font-size: 10px; }

/* 特性区 */
.features {
  background: #fff; margin-top: 48px; padding: 40px 0;
  border-top: 1px solid #eef0f5; border-bottom: 1px solid #eef0f5;
}
.features-wrap {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;
}
.feature { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.feature-ico {
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: #eff5ff; color: #1e6bff; font-size: 22px;
}
.feature h4 { font-size: 15px; font-weight: 700; color: #0f172a; }
.feature p { font-size: 13px; color: #64748b; }

/* 常见问题 */
.faq-box { margin-top: 24px; }
.faq-head { margin-bottom: 12px; }
.faq-head h3 { font-size: 15px; font-weight: 700; color: #0f172a; }
.faq-list details {
  border: 1px solid #e2e8f0; border-radius: 10px;
  margin-bottom: 8px; background: #fff;
  overflow: hidden; transition: box-shadow .2s;
}
.faq-list details[open] { box-shadow: 0 2px 12px rgba(15,23,42,.06); }
.faq-list details:hover { border-color: #c7d2fe; }
.faq-list summary {
  list-style: none; cursor: pointer; padding: 12px 16px;
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: #1f2937;
  transition: color .15s;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before {
  content: '+'; font-size: 16px; color: #1e6bff; font-weight: 700;
  transition: transform .2s; flex-shrink: 0;
}
.faq-list details[open] summary::before { transform: rotate(45deg); }
.faq-list summary:hover { color: #1e6bff; }
.faq-list dt { flex: 1; }
.faq-list dd {
  padding: 0 16px 12px 36px; font-size: 12px; line-height: 1.7;
  color: #64748b; animation: fadeUp .3s ease;
}

/* 页脚 */
.footer { background: #0f172a; color: #94a3b8; margin-top: 48px; }
.footer-wrap {
  display: grid; grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px; padding: 48px 0 32px;
}
.footer-col h5 { color: #fff; font-size: 14px; font-weight: 700; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a:hover { color: #fff; }
.footer-brand .logo-text { color: #fff; }
.footer-desc { margin-top: 14px; font-size: 13px; line-height: 1.7; }
.footer-bottom {
  border-top: 1px solid #1e293b; padding: 18px 0; font-size: 12px;
}
.footer-bottom .container {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
}

/* =========================================
   响应式断点
   ========================================= */

/* 大屏 1440+ */
@media (min-width: 1440px) {
  .stats { grid-template-columns: repeat(6, 1fr); }
}

/* 桌面 1024 - 1439 */
@media (max-width: 1439px) and (min-width: 1024px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
}

/* 平板 768 - 1023 */
@media (max-width: 1023px) {
  .nav-menu { display: none; }
  .menu-toggle { display: flex; }
  .search-bar { min-width: 160px; }

  .hero-wrap { grid-template-columns: 1fr; text-align: center; }
  .hero-btns { justify-content: center; }
  .hero-visual { height: 240px; }

  .stats { grid-template-columns: repeat(3, 1fr); margin-top: -30px; }
  .match-section { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; }
  .sidebar > * { flex: 1 1 300px; }
  .league-logos { grid-template-columns: repeat(3, 1fr); }
  .features-wrap { grid-template-columns: repeat(2, 1fr); }
  .footer-wrap { grid-template-columns: repeat(2, 1fr); }
}

/* 小平板 + 大手机 576 - 767 */
@media (max-width: 767px) {
  .search-bar { display: none; }

  .stats { grid-template-columns: repeat(2, 1fr); margin-top: -24px; }
  .stat-card { padding: 14px; }
  .stat-num { font-size: 18px; }

  .league-logos { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .league-logo-card { padding: 14px 8px; }
  .league-logo { width: 52px; height: 52px; }
  .league-logo-card small { display: none; }

  .match-item {
    grid-template-columns: 140px 1fr auto;
    padding: 12px; gap: 10px;
  }
  .match-time strong { font-size: 15px; }
  .league-tag { font-size: 10px; padding: 2px 6px; }
  .sport-ico { width: 16px; height: 16px; }
  .team-name { font-size: 13px; }

  .features-wrap { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-wrap { grid-template-columns: 1fr 1fr; gap: 24px; }
}

/* 手机 < 576 */
@media (max-width: 575px) {
  .nav-wrap { height: 56px; gap: 12px; }
  .logo-text { font-size: 15px; }
  .logo-text small { font-size: 9px; }
  .icon-btn { width: 32px; height: 32px; }

  .hero { padding: 40px 0 56px; }
  .hero-title { font-size: 28px; }
  .hero-desc { font-size: 14px; }
  .btn { padding: 10px 18px; font-size: 13px; }
  .hero-visual { height: 180px; }
  .soccer-ball { right: 45%; }

  .stats { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-icon { width: 38px; height: 38px; }
  .stat-num { font-size: 18px; }

  .league-logos { grid-template-columns: repeat(3, 1fr); }
  .league-logo-card span { font-size: 12px; }

  .match-section { margin-top: 32px; gap: 16px; }
  .match-item {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    row-gap: 10px;
  }
  .match-time { grid-column: 1 / -1; }
  .match-teams { grid-column: 1 / 2; gap: 6px; }
  .team-name { font-size: 12px; }
  .team-flag { width: 26px; height: 26px; padding: 1px; }
  .match-status {
    grid-column: 2; grid-row: 2;
    align-self: center;
  }
  .match-vs { padding: 2px 5px; font-size: 10px; }

  .section-title h2 { font-size: 16px; }
  .card { padding: 14px; }

  .features { padding: 28px 0; }
  .features-wrap { gap: 18px; }
  .feature h4 { font-size: 14px; }
  .feature p { font-size: 12px; }

  .footer-wrap { grid-template-columns: 1fr; gap: 24px; padding: 36px 0 24px; }
  .footer-col h5 { margin-bottom: 12px; }
  .footer-bottom .container { justify-content: center; text-align: center; }
}

/* 移动端展开菜单 */
.nav-menu.open {
  display: flex; flex-direction: column;
  position: absolute; top: 56px; left: 0; right: 0;
  background: #fff; padding: 16px 24px;
  border-bottom: 1px solid #eef0f5;
  box-shadow: 0 10px 30px rgba(15,23,42,.08);
  gap: 16px;
}
.nav-menu.open a { font-size: 15px; }
.nav-menu.open a.active::after { display: none; }

/* 动画 */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-text { animation: fadeUp .6s ease both; }
.hero-visual { animation: fadeUp .8s ease .15s both; }

/* 回到顶部 */
.back-top {
  position: fixed; right: 28px; bottom: 28px; z-index: 99;
  width: 46px; height: 46px; border-radius: 50%;
  background: #1e6bff; color: #fff;
  box-shadow: 0 6px 20px rgba(30,107,255,.35);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: opacity .25s, transform .25s, visibility .25s;
}
.back-top.show {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.back-top:hover { background: #1558d4; transform: translateY(-3px); }
.back-top:active { transform: translateY(-1px); }

@media (max-width: 767px) {
  .back-top { right: 18px; bottom: 18px; width: 42px; height: 42px; }
}