/* roulang page: index */
:root {
  --primary: #14b8a6;
  --primary-dark: #0f766e;
  --primary-light: #ccfbf1;
  --accent: #f97316;
  --accent-dark: #c2410c;
  --bg: #ffffff;
  --bg-soft: #f1f5f9;
  --bg-deep: #0f172a;
  --text: #1e293b;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 16px rgba(2, 6, 23, 0.06);
  --shadow-md: 0 10px 30px rgba(2, 6, 23, 0.10);
  --shadow-lg: 0 20px 50px rgba(2, 6, 23, 0.14);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input {
  font-family: inherit;
}
ul {
  list-style: none;
}
.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ===== 顶部悬浮胶囊导航 ===== */
.site-header {
  position: sticky;
  top: 14px;
  z-index: 100;
  padding: 0 16px;
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.12);
  border-radius: 999px;
  padding: 10px 22px;
  gap: 18px;
}
.logo {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.logo-dot {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: inline-block;
  position: relative;
}
.logo-dot::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.3);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  padding: 8px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-weak);
  transition: all 0.25s ease;
}
.nav-link:hover {
  color: var(--primary-dark);
  background: var(--primary-light);
}
.nav-link.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 14px rgba(20, 184, 166, 0.35);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(249, 115, 22, 0.3);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
}
.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* ===== 首屏 Hero ===== */
.hero {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding: 150px 0 120px;
  color: #fff;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(2, 6, 23, 0.88), rgba(2, 6, 23, 0.55) 60%, rgba(2, 6, 23, 0.35));
  z-index: -1;
}
.hero-content {
  max-width: 720px;
}
.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(6px);
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.4px;
  margin-bottom: 22px;
  color: #fff;
}
.hero-title {
  font-size: clamp(34px, 5.2vw, 60px);
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero-subtitle {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 34px;
  max-width: 600px;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 42px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 32px;
}
.hero-meta span {
  position: relative;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}
.hero-meta span::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  margin-right: 9px;
  vertical-align: 2px;
}

/* ===== 通用板块 ===== */
.section {
  padding: 90px 0;
}
.section-alt {
  background: var(--bg-soft);
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.25;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 14px;
}
.section-sub {
  color: var(--text-weak);
  font-size: 16px;
}

/* ===== 核心能力 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(20, 184, 166, 0.4);
}
.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 20px;
  font-weight: 700;
}
.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.feature-card p {
  color: var(--text-weak);
  font-size: 15px;
}

/* ===== 最新资讯 ===== */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.post-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.post-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.post-cover {
  position: relative;
  display: block;
  height: 210px;
  overflow: hidden;
}
.post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.post-card:hover .post-cover img {
  transform: scale(1.05);
}
.post-category {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.78);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.post-body {
  padding: 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.post-title {
  font-size: 18px;
  line-height: 1.45;
  font-weight: 700;
  margin-bottom: 10px;
}
.post-title a {
  color: var(--text);
  transition: color 0.2s;
}
.post-title a:hover {
  color: var(--primary-dark);
}
.post-excerpt {
  color: var(--text-weak);
  font-size: 14px;
  flex: 1;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-weak);
  font-size: 13px;
}
.meta-read {
  color: var(--primary);
  font-weight: 600;
}
.empty-tip {
  text-align: center;
  padding: 60px 0;
  color: var(--text-weak);
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border);
}

/* ===== 热门赛事横向卡片 ===== */
.hot-section {
  background: var(--bg-deep);
  color: #fff;
}
.hot-section .section-title {
  color: #fff;
}
.hot-section .section-sub {
  color: rgba(255, 255, 255, 0.6);
}
.hot-section .section-tag {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}
.match-scroll {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.match-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 320px;
  background-size: cover;
  background-position: center;
  color: #fff;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease;
}
.match-card:hover {
  transform: translateY(-8px);
}
.match-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(2, 6, 23, 0.9), rgba(2, 6, 23, 0.1));
}
.match-info {
  position: relative;
  z-index: 1;
  padding: 24px;
  width: 100%;
}
.match-card .live-badge {
  display: inline-block;
  background: #ef4444;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
  letter-spacing: 0.3px;
}
.match-teams {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.match-score {
  color: var(--accent);
  font-size: 26px;
  font-weight: 800;
}
.match-league {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 12px;
}
.play-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 1;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  transition: all 0.3s ease;
}
.play-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.1);
}
.match-btn-row {
  display: flex;
  gap: 10px;
}
.match-btn-row a {
  flex: 1;
  text-align: center;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  padding: 8px 0;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.25s;
}
.match-btn-row a:hover {
  background: var(--primary);
}

/* ===== 数据统计带 ===== */
.data-band {
  background: url('/assets/images/backpic/back-2.png') center center / cover fixed no-repeat;
  padding: 100px 0;
  position: relative;
  isolation: isolate;
  color: #fff;
}
.data-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.82);
  z-index: -1;
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 34px;
}
.data-item {
  text-align: center;
  padding: 30px 16px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
}
.data-number {
  font-size: 46px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 8px;
}
.data-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
}

/* ===== 分类入口 ===== */
.category-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 340px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-md);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.category-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(2, 6, 23, 0.85) 0%, rgba(2, 6, 23, 0.1) 60%, rgba(2, 6, 23, 0.2) 100%);
  transition: background 0.3s;
}
.category-card:hover::before {
  background: linear-gradient(to top, rgba(2, 6, 23, 0.9) 0%, rgba(2, 6, 23, 0.25) 70%);
}
.category-overlay {
  position: relative;
  z-index: 1;
  padding: 30px;
  color: #fff;
  width: 100%;
}
.category-label {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 8px;
}
.category-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 16px;
}
.category-link {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 7px 20px;
  border-radius: 999px;
  transition: all 0.3s;
}
.category-link:hover {
  background: var(--accent-dark);
  padding-left: 26px;
}

/* ===== 用户评价 ===== */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.quote-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
}
.quote-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.quote-text {
  font-size: 15px;
  color: var(--text-weak);
  margin-bottom: 20px;
  line-height: 1.8;
}
.quote-user {
  display: flex;
  align-items: center;
  gap: 12px;
}
.quote-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
}
.quote-name {
  font-weight: 700;
  font-size: 15px;
}
.quote-role {
  font-size: 13px;
  color: var(--text-weak);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s;
}
.faq-item:hover {
  border-color: rgba(20, 184, 166, 0.5);
}
.faq-question {
  width: 100%;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  transition: background 0.2s;
}
.faq-question:hover {
  background: var(--bg-soft);
}
.faq-question::after {
  content: "+";
  font-size: 22px;
  color: var(--primary);
  transition: transform 0.3s;
}
.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 24px 20px;
  color: var(--text-weak);
  font-size: 15px;
}

/* ===== CTA ===== */
.cta-band {
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  padding: 90px 0;
  position: relative;
  isolation: isolate;
  color: #fff;
  text-align: center;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.76);
  z-index: -1;
}
.cta-title {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 30px;
  font-size: 16px;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}
.cta-input {
  flex: 1;
  padding: 14px 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 15px;
  outline: none;
  transition: all 0.3s;
}
.cta-input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}
.cta-input:focus {
  background: rgba(255, 255, 255, 0.22);
  border-color: var(--primary);
}
.cta-button {
  padding: 14px 30px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  border: none;
  transition: all 0.3s;
}
.cta-button:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 70px;
  padding-bottom: 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  max-width: 300px;
  color: rgba(255, 255, 255, 0.65);
}
.footer-col {
  font-size: 15px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 16px;
  font-weight: 700;
}
.footer-col a {
  display: block;
  padding: 5px 0;
  color: rgba(255, 255, 255, 0.65);
  transition: all 0.25s;
}
.footer-col a:hover {
  color: var(--primary);
  padding-left: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== 响应式断点 ===== */
@media (max-width: 1024px) {
  .feature-grid,
  .post-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .match-scroll {
    grid-template-columns: repeat(2, 1fr);
  }
  .quote-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  .menu-toggle {
    display: flex;
  }
  .main-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 18px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
  }
  .nav-open .main-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-link {
    width: 100%;
    text-align: center;
    padding: 12px;
  }
  .header-actions {
    display: none;
  }
  .hero {
    padding: 120px 0 80px;
  }
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .category-grid {
    grid-template-columns: 1fr;
  }
  .cta-form {
    flex-direction: column;
    padding: 0 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 520px) {
  .feature-grid,
  .post-grid,
  .match-scroll,
  .quote-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-subtitle {
    font-size: 15px;
  }
  .hero-meta {
    flex-direction: column;
    gap: 10px;
  }
  .section-title {
    font-size: 24px;
  }
  .data-number {
    font-size: 34px;
  }
  .match-card {
    height: 260px;
  }
  .cta-input,
  .cta-button {
    border-radius: 12px;
  }
}

/* 隐藏横向滚动条的小工具 */
.horizontal-scroll {
  scrollbar-width: thin;
  scrollbar-color: var(--primary) transparent;
}

/* roulang page: category1 */
:root {
  --primary: #0f172a;
  --primary-2: #1e293b;
  --accent: #0ea5e9;
  --accent-2: #10b981;
  --accent-grad: linear-gradient(135deg, #0ea5e9 0%, #10b981 100%);
  --bg: #f8fafc;
  --bg-soft: #f1f5f9;
  --card-bg: #ffffff;
  --text: #0f172a;
  --text-2: #334155;
  --text-3: #64748b;
  --border: #e2e8f0;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
  --spacing-section: 96px;
  --container-w: 1200px;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
ul, ol { list-style: none; }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--spacing-section) 0; }
.section-head { max-width: 720px; margin-bottom: 48px; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px;
  background: rgba(14, 165, 233, 0.1); color: var(--accent); border-radius: var(--radius-full);
  font-size: 13px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 16px;
}
.section-title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; line-height: 1.2; letter-spacing: -0.5px; }
.section-desc { font-size: 17px; color: var(--text-3); margin-top: 12px; line-height: 1.8; }
.text-gradient { background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* Header / Nav */
.site-header {
  position: sticky; top: 16px; z-index: 80; padding: 0 16px;
  pointer-events: none;
}
.main-nav {
  max-width: 1080px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between;
  padding: 10px 18px; background: rgba(255, 255, 255, 0.86); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px); border-radius: var(--radius-full);
  box-shadow: var(--shadow-md); border: 1px solid rgba(255, 255, 255, 0.6);
  pointer-events: auto;
}
.nav-logo { font-size: 20px; font-weight: 800; letter-spacing: -0.5px; color: var(--primary); display: flex; align-items: center; gap: 10px; }
.nav-logo .logo-mark {
  width: 34px; height: 34px; border-radius: 10px; background: var(--accent-grad);
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; font-weight: 900;
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}
.nav-center { display: flex; gap: 4px; align-items: center; }
.nav-link {
  padding: 8px 18px; border-radius: var(--radius-full); font-size: 15px; font-weight: 500;
  color: var(--text-2); transition: var(--transition); position: relative;
}
.nav-link:hover { color: var(--primary); background: var(--bg-soft); }
.nav-link.active { color: #fff; background: var(--primary); font-weight: 600; box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.btn-nav {
  padding: 8px 20px; border-radius: var(--radius-full); background: var(--accent-grad); color: #fff;
  font-size: 14px; font-weight: 600; box-shadow: 0 4px 14px rgba(14, 165, 233, 0.3);
  transition: var(--transition);
}
.btn-nav:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(14, 165, 233, 0.4); }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 12px; background: var(--bg-soft); align-items: center; justify-content: center; font-size: 20px; color: var(--primary); }

/* Hero */
.hero {
  position: relative; min-height: 520px; display: flex; align-items: center;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 41, 59, 0.85) 100%),
              url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff; padding: 120px 0 96px; margin-top: -90px; border-radius: 0 0 32px 32px;
  overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0; height: 80px;
  background: linear-gradient(to top, var(--bg), transparent); z-index: 2;
}
.hero-content { position: relative; z-index: 3; max-width: 720px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px;
  background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full); font-size: 14px; font-weight: 500; backdrop-filter: blur(4px);
  margin-bottom: 24px;
}
.hero-badge .dot { width: 8px; height: 8px; background: var(--accent-2); border-radius: 50%; box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.3); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.hero-title { font-size: clamp(36px, 6vw, 64px); font-weight: 900; line-height: 1.1; letter-spacing: -1px; margin-bottom: 20px; }
.hero-desc { font-size: 18px; color: rgba(255, 255, 255, 0.75); max-width: 580px; line-height: 1.8; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-full); font-size: 15px; font-weight: 600;
  transition: var(--transition); border: none; line-height: 1.4;
}
.btn-primary { background: var(--accent-grad); color: #fff; box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(14, 165, 233, 0.5); }
.btn-outline { background: rgba(255, 255, 255, 0.1); color: #fff; border: 1px solid rgba(255, 255, 255, 0.3); backdrop-filter: blur(4px); }
.btn-outline:hover { background: rgba(255, 255, 255, 0.2); transform: translateY(-3px); }
.btn-secondary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(15, 23, 42, 0.25); }
.btn-secondary:hover { background: var(--primary-2); transform: translateY(-3px); box-shadow: 0 10px 24px rgba(15, 23, 42, 0.3); }

/* Filter Tabs */
.channel-tabs {
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  padding: 8px; background: var(--card-bg); border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  margin-bottom: 40px; position: relative; z-index: 5;
}
.channel-tab {
  padding: 10px 22px; border-radius: var(--radius-full); font-size: 14px; font-weight: 500;
  color: var(--text-2); background: transparent; transition: var(--transition);
}
.channel-tab:hover { background: var(--bg-soft); color: var(--primary); }
.channel-tab.active { background: var(--primary); color: #fff; font-weight: 600; box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2); }

/* Match Cards Grid */
.match-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 28px; }
.match-card {
  background: var(--card-bg); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition);
  display: flex; flex-direction: column;
}
.match-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.match-cover { position: relative; height: 200px; overflow: hidden; }
.match-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.match-card:hover .match-cover img { transform: scale(1.05); }
.match-cover .tag-row { position: absolute; top: 14px; left: 14px; display: flex; gap: 8px; }
.tag { font-size: 12px; font-weight: 600; padding: 5px 14px; border-radius: var(--radius-full); display: inline-flex; align-items: center; gap: 6px; }
.tag-live { background: rgba(239, 68, 68, 0.92); color: #fff; }
.tag-live::before { content: ''; width: 6px; height: 6px; background: #fff; border-radius: 50%; animation: pulse 1.5s infinite; }
.tag-warm { background: rgba(249, 115, 22, 0.92); color: #fff; }
.tag-blue { background: rgba(14, 165, 233, 0.92); color: #fff; }
.match-cover .match-status { position: absolute; bottom: 14px; right: 14px; background: rgba(15, 23, 42, 0.75); backdrop-filter: blur(8px); color: #fff; font-size: 12px; font-weight: 500; padding: 5px 12px; border-radius: var(--radius-full); }
.match-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.match-category { font-size: 12px; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 8px; }
.match-title { font-size: 19px; font-weight: 700; line-height: 1.4; margin-bottom: 10px; color: var(--text); }
.match-desc { font-size: 14px; color: var(--text-3); line-height: 1.6; flex: 1; }
.match-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-3); }
.match-meta .time { display: flex; align-items: center; gap: 6px; }
.match-link { color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.match-link:hover { gap: 8px; }

/* Stats Panel */
.stats-panel {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
  border-radius: var(--radius-lg); padding: 56px 48px; color: #fff; position: relative; overflow: hidden;
}
.stats-panel::before {
  content: ''; position: absolute; top: -50%; right: -20%; width: 400px; height: 400px; border-radius: 50%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.35), transparent 70%);
}
.stats-panel::after {
  content: ''; position: absolute; bottom: -60%; left: -10%; width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.3), transparent 70%);
}
.stats-inner { position: relative; z-index: 2; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 32px; }
.stat-item { text-align: center; }
.stat-number { font-size: clamp(36px, 5vw, 52px); font-weight: 900; letter-spacing: -1px; background: var(--accent-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { font-size: 14px; color: rgba(255, 255, 255, 0.65); margin-top: 6px; }

/* News List */
.news-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.news-feature {
  background: var(--card-bg); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-md); border: 1px solid var(--border);
}
.news-feature-img { height: 260px; overflow: hidden; position: relative; }
.news-feature-img img { width: 100%; height: 100%; object-fit: cover; }
.news-feature-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15, 23, 42, 0.4), transparent 50%); }
.news-feature-body { padding: 28px; }
.news-feature-body .news-date { font-size: 13px; color: var(--text-3); }
.news-feature-body h3 { font-size: 22px; font-weight: 700; margin: 10px 0 12px; line-height: 1.4; }
.news-feature-body p { color: var(--text-3); font-size: 15px; line-height: 1.7; }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  display: flex; gap: 16px; padding: 18px; background: var(--card-bg); border-radius: var(--radius-md);
  border: 1px solid var(--border); transition: var(--transition); align-items: flex-start;
}
.news-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); border-color: var(--accent); }
.news-item .thumb { width: 80px; height: 80px; border-radius: 12px; overflow: hidden; flex-shrink: 0; }
.news-item .thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-item .info { flex: 1; }
.news-item .info h4 { font-size: 15px; font-weight: 600; line-height: 1.4; margin-bottom: 6px; }
.news-item .info p { font-size: 13px; color: var(--text-3); line-height: 1.5; }
.news-item .info .meta { font-size: 12px; color: var(--text-3); margin-top: 8px; display: flex; gap: 12px; }

/* Guide Steps */
.guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 28px; }
.guide-item {
  background: var(--card-bg); border-radius: var(--radius-lg); padding: 32px 24px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border); text-align: center; transition: var(--transition); position: relative;
}
.guide-item:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); }
.guide-icon {
  width: 64px; height: 64px; border-radius: 18px; background: var(--accent-grad);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 26px; color: #fff;
  box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
}
.guide-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.guide-item p { font-size: 14px; color: var(--text-3); line-height: 1.6; }
.guide-step { position: absolute; top: 16px; left: 16px; font-size: 12px; font-weight: 800; color: var(--text-3); background: var(--bg-soft); padding: 4px 10px; border-radius: var(--radius-full); }

/* FAQ */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-md);
  margin-bottom: 14px; padding: 0; overflow: hidden; transition: var(--transition);
}
.faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.faq-item summary {
  padding: 22px 28px; font-size: 16px; font-weight: 600; cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; background: var(--card-bg);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 24px; color: var(--accent); font-weight: 400; transition: var(--transition); flex-shrink: 0; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-answer { padding: 0 28px 24px; color: var(--text-3); font-size: 15px; line-height: 1.8; }

/* CTA */
.cta-block {
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-radius: var(--radius-lg); padding: 72px 48px; text-align: center; color: #fff; position: relative; overflow: hidden;
}
.cta-block::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(14, 165, 233, 0.8)); }
.cta-inner { position: relative; z-index: 2; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 16px; }
.cta-inner p { font-size: 16px; color: rgba(255, 255, 255, 0.8); margin-bottom: 32px; }
.cta-inner .btn-group { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer { background: var(--primary); color: #fff; padding: 64px 0 0; margin-top: 64px; }
.site-footer a { color: rgba(255, 255, 255, 0.6); text-decoration: none; transition: var(--transition); }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.footer-brand .footer-logo { font-size: 22px; font-weight: 800; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.footer-brand .footer-logo .logo-mark { width: 34px; height: 34px; border-radius: 10px; background: var(--accent-grad); display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 900; }
.footer-desc { font-size: 15px; color: rgba(255, 255, 255, 0.6); line-height: 1.8; max-width: 360px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; color: #fff; }
.footer-col a { font-size: 14px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; font-size: 13px; color: rgba(255, 255, 255, 0.4); flex-wrap: wrap; gap: 8px; }

/* Mobile */
@media (max-width: 1024px) {
  .news-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section { --spacing-section: 64px; }
  .site-header { top: 10px; }
  .nav-center { display: none; }
  .nav-toggle { display: flex; }
  .nav-actions .btn-nav { display: none; }
  .main-nav { padding: 8px 14px; }
  .hero { padding: 140px 0 80px; margin-top: -90px; text-align: center; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .stats-panel { padding: 40px 24px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .match-grid { grid-template-columns: 1fr; }
  .channel-tabs { border-radius: var(--radius-md); padding: 12px; overflow-x: auto; flex-wrap: nowrap; }
  .channel-tab { flex-shrink: 0; }
  .cta-block { padding: 48px 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .grid-2 { grid-template-columns: 1fr; }
  .hero-title { font-size: 32px; }
  .hero-desc { font-size: 16px; }
  .btn { padding: 10px 20px; font-size: 14px; }
  .news-feature-body h3 { font-size: 18px; }
  .news-item .thumb { width: 64px; height: 64px; }
  .faq-item summary { padding: 18px 20px; font-size: 15px; }
  .faq-item .faq-answer { padding: 0 20px 20px; }
}

/* roulang page: article */
:root {
            --primary: #132b47;
            --primary-soft: #1b3b5f;
            --primary-deep: #0c1d30;
            --accent: #f0b241;
            --accent-strong: #dd9814;
            --bg: #f4f7fb;
            --surface: #ffffff;
            --text: #122238;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-sm: 12px;
            --radius-xs: 8px;
            --shadow: 0 8px 30px rgba(15, 30, 51, .08);
            --shadow-hover: 0 16px 40px rgba(15, 30, 51, .14);
            --shadow-nav: 0 6px 24px rgba(15, 30, 51, .10);
            --space: clamp(24px, 4vw, 56px);
            --max-width: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        textarea {
            font: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        .global-header {
            position: sticky;
            top: 0;
            z-index: 60;
            padding: 14px 0 6px;
        }

        .main-nav {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, .82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, .6);
            border-radius: 100px;
            padding: 10px 14px 10px 20px;
            box-shadow: var(--shadow-nav);
            transition: box-shadow .3s ease;
        }

        .main-nav:hover {
            box-shadow: 0 10px 34px rgba(15, 30, 51, .14);
        }

        .brand-logo {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: .5px;
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary), var(--primary-soft));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
            padding-right: 6px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-weak);
            transition: all .25s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(19, 43, 71, .06);
        }

        .nav-link.active,
        .nav-link[aria-current="page"] {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(19, 43, 71, .22);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background .2s ease;
            margin-left: auto;
        }

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

        .article-hero {
            position: relative;
            min-height: 360px;
            margin: 0 20px 0;
            border-radius: 28px;
            overflow: hidden;
            display: flex;
            align-items: flex-end;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            isolation: isolate;
        }

        .article-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 29, 48, .15) 0%, rgba(12, 29, 48, .65) 55%, rgba(12, 29, 48, .88) 100%);
            z-index: -1;
        }

        .article-hero .hero-content {
            max-width: 840px;
            padding: 48px 40px 40px;
            color: #fff;
        }

        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 18px;
        }

        .article-breadcrumb a {
            color: rgba(255, 255, 255, .8);
            transition: color .2s;
        }

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

        .article-breadcrumb .divider {
            opacity: .6;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            background: var(--accent);
            color: #132b47;
            margin-bottom: 16px;
        }

        .badge-light {
            background: rgba(255, 255, 255, .16);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .22);
            backdrop-filter: blur(8px);
        }

        .article-hero h1 {
            font-size: clamp(26px, 3.6vw, 42px);
            line-height: 1.3;
            font-weight: 800;
            letter-spacing: .5px;
            margin-bottom: 16px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, .2);
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .main-content {
            padding: 36px 0 60px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 32px;
            align-items: start;
        }

        .article-panel {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: clamp(24px, 3vw, 44px);
        }

        .article-body {
            font-size: 16px;
            line-height: 1.9;
            color: #24344d;
        }

        .article-body>p {
            margin-bottom: 20px;
        }

        .article-body h2,
        .article-body h3 {
            margin: 28px 0 14px;
            line-height: 1.4;
            color: var(--primary);
        }

        .article-body h2 {
            font-size: 24px;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
        }

        .article-body h3 {
            font-size: 20px;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 22px;
            margin-bottom: 20px;
        }

        .article-body li {
            margin-bottom: 8px;
        }

        .article-body strong {
            color: var(--primary);
        }

        .article-body img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 24px 0;
        }

        .featured-image {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 24px;
        }

        .featured-image img {
            width: 100%;
            object-fit: cover;
        }

        .article-footer {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
            background: #f1f5f9;
            color: var(--text-weak);
            border: 1px solid var(--border);
            transition: all .2s ease;
        }

        .tag:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: rgba(19, 43, 71, .04);
        }

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

        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            font-size: 15px;
            color: var(--text-weak);
            background: #f8fafc;
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all .2s ease;
        }

        .share-btn:hover {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 90px;
        }

        .sidebar-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px;
        }

        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3::before {
            content: "";
            width: 4px;
            height: 20px;
            border-radius: 4px;
            background: var(--accent);
        }

        .sidebar-list li {
            position: relative;
            padding: 10px 0 10px 22px;
            border-bottom: 1px dashed var(--border);
        }

        .sidebar-list li:last-child {
            border-bottom: none;
        }

        .sidebar-list li::before {
            content: "◆";
            position: absolute;
            left: 0;
            font-size: 10px;
            color: var(--accent);
            top: 17px;
        }

        .sidebar-list a {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            transition: color .2s ease;
            line-height: 1.6;
        }

        .sidebar-list a:hover {
            color: var(--accent-strong);
        }

        .sidebar-link-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sidebar-link-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-xs);
            background: #f8fafc;
            border: 1px solid var(--border);
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            transition: all .2s ease;
        }

        .sidebar-link-list a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateX(4px);
        }

        .sidebar-link-list a::before {
            content: "→";
            color: var(--accent);
            font-weight: 700;
        }

        .sidebar-link-list a:hover::before {
            color: #fff;
        }

        .cta-card {
            background: linear-gradient(150deg, var(--primary-deep), var(--primary-soft));
            border-radius: var(--radius);
            padding: 28px 24px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-card::after {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(240, 178, 65, .25);
        }

        .cta-card h4 {
            font-size: 20px;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            font-size: 14px;
            opacity: .85;
            margin-bottom: 18px;
            position: relative;
            z-index: 1;
        }

        .cta-card .cta-btn {
            display: inline-flex;
            position: relative;
            z-index: 1;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 100px;
            font-size: 14px;
            font-weight: 700;
            transition: all .25s ease;
        }

        .cta-card .cta-btn:hover {
            background: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
        }

        .related-section {
            margin-top: 56px;
        }

        .section-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
        }

        .section-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title span {
            width: 8px;
            height: 28px;
            border-radius: 8px;
            background: var(--accent);
            display: inline-block;
        }

        .section-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-weak);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .2s ease;
        }

        .section-more:hover {
            color: var(--primary);
            gap: 10px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .news-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .news-card .card-img {
            position: relative;
            padding-top: 62%;
            overflow: hidden;
        }

        .news-card .card-img img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .news-card:hover .card-img img {
            transform: scale(1.06);
        }

        .card-img .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(19, 43, 71, .82);
            color: #fff;
            backdrop-filter: blur(6px);
        }

        .news-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.55;
            margin-bottom: 10px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color .2s ease;
        }

        .news-card:hover h3 {
            color: var(--primary-soft);
        }

        .card-meta {
            font-size: 13px;
            color: var(--text-weak);
            margin-top: auto;
        }

        .not-found-section {
            max-width: 760px;
            margin: 40px auto;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 60px 40px;
            text-align: center;
        }

        .not-found-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: #fff3e0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
        }

        .not-found-section h2 {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .not-found-section p {
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 700;
            background: var(--primary);
            color: #fff;
            transition: all .25s ease;
        }

        .btn:hover {
            background: var(--primary-soft);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(19, 43, 71, .25);
        }

        .btn-light {
            background: var(--accent);
            color: var(--primary);
        }

        .btn-light:hover {
            background: #fff;
        }

        .site-footer {
            margin-top: 40px;
            background: var(--primary-deep);
            color: #b8c4d0;
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: .5px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            opacity: .75;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: #b8c4d0;
            padding: 5px 0;
            transition: all .2s ease;
        }

        .footer-col a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            opacity: .7;
        }

        .footer-bottom p {
            margin: 0;
        }

        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .article-layout {
                grid-template-columns: 1fr;
            }

            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
            }

            .sidebar-card {
                flex: 1;
                min-width: 240px;
            }
        }

        @media (max-width: 768px) {
            body {
                font-size: 15px;
            }

            .main-nav {
                border-radius: 24px;
                padding: 10px 14px;
                flex-wrap: wrap;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 6px;
                margin-left: 0;
                padding-top: 8px;
                border-top: 1px solid rgba(19, 43, 71, .06);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-link {
                width: 100%;
                justify-content: center;
                padding: 10px 14px;
            }

            .article-hero {
                min-height: 280px;
                margin: 0 0 0;
                border-radius: 0;
            }

            .article-hero .hero-content {
                padding: 32px 20px;
            }

            .article-panel {
                padding: 20px 16px;
                border-radius: var(--radius-sm);
            }

            .article-meta {
                gap: 10px;
                font-size: 13px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }

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

            .hero-content .badge {
                font-size: 12px;
            }

            .article-hero h1 {
                font-size: 22px;
            }

            .brand-logo {
                font-size: 17px;
            }

            .section-title {
                font-size: 20px;
            }

            .article-sidebar {
                flex-direction: column;
            }

            .not-found-section {
                padding: 40px 20px;
                margin: 20px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #0b1f3a;
  --primary-light: #163557;
  --primary-50: #eef3f9;
  --accent: #ff7a18;
  --accent-hover: #e86a10;
  --accent-soft: rgba(255, 122, 24, 0.1);
  --cyan: #06b6d4;
  --bg: #f4f7fb;
  --surface: #ffffff;
  --text: #141c2b;
  --text-weak: #69748a;
  --border: #dfe5ee;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 12px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 10px 32px rgba(11, 31, 58, 0.09);
  --shadow-lg: 0 18px 56px rgba(11, 31, 58, 0.12);
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  --container-max: 1200px;
  --section-space: clamp(64px, 8vw, 110px);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

button { font-family: inherit; cursor: pointer; }

input { font-family: inherit; outline: none; }

ul, ol { list-style: none; }

.container {
  width: min(var(--container-max), 100% - 48px);
  margin-inline: auto;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}

.section-head h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--primary);
  line-height: 1.25;
  position: relative;
}

.section-head h2::after {
  content: "";
  display: block;
  width: 44px;
  height: 4px;
  margin-top: 10px;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
  border-radius: 4px;
}

.view-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-blue, #163557);
  background: var(--surface);
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all 0.25s ease;
  white-space: nowrap;
}

.view-all:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: #ffffff;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  border: none;
  transition: all 0.25s ease;
  box-shadow: 0 8px 20px rgba(255, 122, 24, 0.28);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255, 122, 24, 0.35);
}

.btn-primary:focus-visible {
  outline: 3px solid rgba(255, 122, 24, 0.35);
  outline-offset: 3px;
}

/* ===== Header / Floating Nav ===== */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 100;
  padding: 0 clamp(12px, 4vw, 40px);
  pointer-events: none;
}

.header-inner {
  pointer-events: auto;
  max-width: 1120px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-pill);
  padding: 10px 12px 10px 24px;
  box-shadow: 0 10px 40px rgba(11, 31, 58, 0.1);
  transition: box-shadow 0.3s ease;
}

.brand-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.brand-logo i {
  color: var(--accent);
  font-size: 22px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.main-nav .nav-link {
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  transition: all 0.25s ease;
  position: relative;
  white-space: nowrap;
}

.main-nav .nav-link:hover {
  background: var(--primary-50);
  color: var(--primary);
}

.main-nav .nav-link.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(11, 31, 58, 0.24);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 9px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--accent);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(255, 122, 24, 0.28);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: none;
  background: var(--primary-50);
  color: var(--primary);
  border-radius: 50%;
  font-size: 17px;
  transition: all 0.25s ease;
}

.nav-toggle:hover {
  background: var(--primary);
  color: #ffffff;
}

/* ===== Category Banner ===== */
.category-banner {
  position: relative;
  margin-top: -76px;
  padding-top: 140px;
  padding-bottom: clamp(56px, 7vw, 90px);
  background: linear-gradient(135deg, rgba(11, 31, 58, 0.93) 20%, rgba(22, 53, 87, 0.78) 60%, rgba(6, 182, 212, 0.55) 100%), url("/assets/images/backpic/back-2.png") center / cover no-repeat;
  border-radius: 0 0 48px 48px;
  overflow: hidden;
  color: #ffffff;
}

.category-banner-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 820px;
}

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 22px;
  color: rgba(255, 255, 255, 0.92);
}

.category-banner h1 {
  font-size: clamp(34px, 6vw, 58px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 18px;
}

.category-banner h1 span {
  color: var(--accent);
  position: relative;
}

.category-banner .banner-sub {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(255, 255, 255, 0.88);
  max-width: 620px;
  margin-bottom: 28px;
  line-height: 1.8;
}

.update-time {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 36px;
}

.banner-stats {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 38px;
}

.banner-stats .stat-item {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  padding: 14px 24px;
  min-width: 120px;
  text-align: center;
  backdrop-filter: blur(6px);
}

.banner-stats .stat-item span {
  font-size: 24px;
  font-weight: 800;
  display: block;
  color: #ffffff;
}

.banner-stats .stat-item small {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== News Tabs ===== */
.news-tab-section {
  padding-top: 34px;
  position: relative;
  z-index: 5;
}

.news-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border-radius: var(--radius-pill);
  padding: 8px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.tab-btn {
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-weak);
  transition: all 0.25s ease;
}

.tab-btn:hover {
  background: var(--primary-50);
  color: var(--primary);
}

.tab-btn.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 6px 18px rgba(11, 31, 58, 0.24);
}

/* ===== News Grid ===== */
.news-grid-section {
  padding: var(--section-space) 0 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(223, 229, 238, 0.6);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.news-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.news-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .news-card-media img {
  transform: scale(1.06);
}

.news-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 31, 58, 0.85);
  backdrop-filter: blur(6px);
  color: #ffffff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 1;
}

.news-card-body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 12px;
}

.news-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-card h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text);
  transition: color 0.2s ease;
}

.news-card h3 a:hover {
  color: var(--accent);
}

.news-card-body > p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  transition: gap 0.2s ease, color 0.2s ease;
  margin-top: 4px;
}

.read-more:hover {
  gap: 12px;
  color: var(--accent);
}

/* ===== Trending ===== */
.trending-section {
  padding: var(--section-space) 0;
  background: linear-gradient(180deg, var(--bg) 0%, #eef2f8 100%);
}

.trending-section .trend-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
}

.trending-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.trending-item {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.trending-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(255, 122, 24, 0.3);
}

.trend-rank {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--primary-50);
  color: var(--primary);
  font-size: 17px;
  font-weight: 800;
}

.trending-item:nth-child(1) .trend-rank {
  background: rgba(255, 122, 24, 0.14);
  color: var(--accent);
}

.trending-item:nth-child(2) .trend-rank {
  background: rgba(6, 182, 212, 0.12);
  color: var(--cyan);
}

.trend-content {
  flex: 1;
  min-width: 0;
}

.trend-content h4 {
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}

.trend-content h4 a:hover {
  color: var(--accent);
}

.trend-tag {
  font-size: 12px;
  color: var(--text-weak);
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.trend-heat {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
  background: var(--accent-soft);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

/* ===== Feature / Deep Read ===== */
.feature-section {
  padding: var(--section-space) 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
}

.feature-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.feature-main img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.feature-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.feature-tag {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.feature-body h3 {
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--primary);
}

.feature-body p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.feature-side {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.feature-mini {
  flex-direction: row;
  align-items: stretch;
  flex: 1;
  min-height: 0;
}

.feature-mini img {
  width: 42%;
  object-fit: cover;
}

.feature-mini .feature-body {
  padding: 20px;
  justify-content: center;
}

.feature-mini h4 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--text);
}

.feature-mini h4 a:hover {
  color: var(--accent);
}

/* ===== Stats Band ===== */
.stats-band {
  background: var(--primary);
  padding: clamp(44px, 5vw, 72px) 0;
  position: relative;
  overflow: hidden;
}

.stats-band::before {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  right: -100px;
  top: -150px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.28), transparent 70%);
}

.stats-band::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  left: -80px;
  bottom: -120px;
  background: radial-gradient(circle, rgba(255, 122, 24, 0.22), transparent 70%);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.stats-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(6px);
}

.stats-item i {
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 14px;
}

.stats-item strong {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  color: #ffffff;
  line-height: 1.1;
}

.stats-item span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--section-space) 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
  align-items: start;
}

.faq-overline {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}

.faq-intro h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.faq-intro p {
  color: var(--text-weak);
  font-size: 14px;
  line-height: 1.8;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
  transition: box-shadow 0.25s ease;
}

.faq-item:hover {
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
  user-select: none;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--accent);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item p {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.8;
  border-top: 1px solid transparent;
}

.faq-item[open] p {
  border-top-color: var(--border);
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-subscribe {
  padding: 0 0 var(--section-space);
}

.cta-inner {
  background: linear-gradient(135deg, rgba(11, 31, 58, 0.94), rgba(22, 53, 87, 0.86)), url("/assets/images/backpic/back-3.png") center / cover no-repeat;
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 64px) clamp(28px, 5vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-text {
  flex: 1.2;
}

.cta-text h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.cta-text p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  line-height: 1.8;
}

.subscribe-form {
  flex: 1;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-pill);
  padding: 8px;
  backdrop-filter: blur(8px);
}

.subscribe-form input {
  flex: 1;
  min-width: 200px;
  background: transparent;
  border: none;
  padding: 12px 18px;
  color: #ffffff;
  font-size: 15px;
  border-radius: var(--radius-pill);
}

.subscribe-form input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}

.subscribe-form button {
  background: var(--accent);
  color: #ffffff;
  border: none;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.25s ease, transform 0.25s ease;
}

.subscribe-form button:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

.subscribe-form button:focus-visible {
  outline: 3px solid rgba(255, 255, 255, 0.4);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
  border-radius: 40px 40px 0 0;
}

.site-footer .container {
  max-width: var(--container-max);
  padding-bottom: 36px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-logo i {
  color: var(--accent);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.9;
  max-width: 360px;
  color: rgba(255, 255, 255, 0.62);
}

.footer-col h4 {
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  margin-bottom: 10px;
  transition: all 0.2s ease;
}

.footer-col a:hover {
  color: #ffffff;
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 28px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .trending-list {
    grid-template-columns: 1fr;
  }

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

  .feature-side {
    flex-direction: row;
    gap: 20px;
  }

  .feature-mini {
    flex: 1;
  }

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

  .faq-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .container {
    width: min(100% - 32px, var(--container-max));
  }

  .site-header {
    top: 10px;
    padding: 0 12px;
  }

  .header-inner {
    padding: 8px 8px 8px 16px;
    gap: 10px;
  }

  .brand-logo {
    font-size: 17px;
  }

  .brand-logo i {
    font-size: 18px;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) scaleY(0.96);
    transform-origin: top center;
    flex-direction: column;
    gap: 6px;
    background: var(--surface);
    border-radius: 20px;
    padding: 14px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    width: calc(100% - 28px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .main-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scaleY(1);
  }

  .main-nav .nav-link {
    width: 100%;
    text-align: center;
    padding: 12px 18px;
  }

  .header-inner {
    position: relative;
  }

  .category-banner {
    margin-top: -70px;
    padding-top: 110px;
    border-radius: 0 0 32px 32px;
  }

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

  .feature-side {
    flex-direction: column;
  }

  .feature-mini img {
    width: 100%;
    height: 160px;
    object-fit: cover;
  }

  .feature-mini {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .news-tabs {
    border-radius: 20px;
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .news-tabs::-webkit-scrollbar {
    display: none;
  }

  .tab-btn {
    white-space: nowrap;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .stats-item {
    padding: 20px 12px;
  }

  .stats-item strong {
    font-size: 26px;
  }

  .trending-item {
    padding: 14px 16px;
    gap: 12px;
    flex-wrap: wrap;
  }

  .trend-heat {
    font-size: 12px;
  }

  .banner-stats {
    gap: 10px;
  }

  .banner-stats .stat-item {
    padding: 10px 16px;
    min-width: 90px;
  }

  .banner-stats .stat-item span {
    font-size: 19px;
  }

  .subscribe-form {
    border-radius: 20px;
    flex-direction: column;
  }

  .subscribe-form input {
    min-width: 0;
    background: rgba(255, 255, 255, 0.12);
  }

  .subscribe-form button {
    justify-content: center;
  }

  .faq-item summary {
    padding: 16px 18px;
    font-size: 15px;
  }

  .faq-item p {
    padding: 0 18px 16px;
  }

  .news-card-body {
    padding: 18px;
  }
}