/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #1b6b50;
  --primary-dark: #0f4d2f;
  --primary-light: #e3f2e9;
  --accent: #ff6b35;
  --accent-soft: #fff1eb;
  --bg: #f6f8f7;
  --bg-deep: #0e2a1d;
  --text: #16241e;
  --text-light: #5b7266;
  --border: #e1e8e4;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 4px 22px rgba(14,42,29,0.08);
  --shadow-hover: 0 10px 38px rgba(14,42,29,0.15);
  --transition: all .3s cubic-bezier(.4,0,.2,1);
  --container-max: 1200px;
  --header-height: 76px;
}

/* ========== Reset / Base ========== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: var(--primary); transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul, ol { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; line-height: 1.25; color: var(--text); }
p { margin: 0; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button:focus, a:focus, input:focus { outline: 2px solid rgba(27,107,80,.4); outline-offset: 2px; }
section[id] { scroll-margin-top: var(--header-height); }

/* ========== 容器 ========== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 92px 0; }
.section-head { max-width: 780px; margin: 0 auto 56px; text-align: center; }
.section-tag {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .5px;
  margin-bottom: 14px;
}
.section-title { font-size: 36px; line-height: 1.3; margin-bottom: 12px; }
.section-desc { font-size: 16px; color: var(--text-light); line-height: 1.75; }

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 18px rgba(27,107,80,.3);
}
.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(27,107,80,.35);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 18px rgba(255,107,53,.3);
}
.btn-accent:hover {
  background: #e8541f;
  color: #fff;
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border-color: #fff;
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255,255,255,.15);
  color: #fff;
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-light {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-light:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}
.btn-block { width: 100%; }

/* ========== 徽章 / 标签 ========== */
.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
}
.badge-accent {
  background: var(--accent-soft);
  color: var(--accent);
}

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(225,232,228,.7);
  height: var(--header-height);
  display: flex;
  align-items: center;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.5px;
  flex-shrink: 0;
}
.logo:hover { color: var(--primary); }
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
}
.main-nav { display: flex; align-items: center; }
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav a {
  padding: 8px 20px;
  border-radius: 999px;
  color: var(--text-light);
  font-weight: 500;
  font-size: 15px;
  border: 1px solid transparent;
}
.main-nav a:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.main-nav a.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(27,107,80,.28);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.header-cta {
  padding: 10px 22px;
  font-size: 14px;
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 18px;
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(14,42,29,.94) 0%, rgba(27,107,80,.84) 60%, rgba(42,132,96,.72) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  padding: 128px 0 112px;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  right: -120px;
  top: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(255,255,255,.06);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 820px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
  color: #fff;
}
.hero-badge i { color: #ffd166; }
.hero-title {
  font-size: 56px;
  line-height: 1.15;
  color: #fff;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 18px;
}
.hero-title span {
  background: linear-gradient(90deg, #ffd166, #ff8c42);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 18px;
  color: rgba(255,255,255,.88);
  line-height: 1.8;
  max-width: 620px;
  margin-bottom: 36px;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-stats {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  border-top: 1px solid rgba(255,255,255,.18);
  padding-top: 40px;
  max-width: 720px;
}
.hero-stat { text-align: left; }
.hero-stat-number { font-size: 36px; font-weight: 800; color: #fff; letter-spacing: -1px; }
.hero-stat-label { font-size: 14px; color: rgba(255,255,255,.72); margin-top: 4px; }

/* ========== 核心说明特性卡 ========== */
.about-section { background: #fff; }
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 20px 32px;
  transition: var(--transition);
  overflow: hidden;
}
.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
  border-color: transparent;
}
.feature-img {
  border-radius: 14px;
  overflow: hidden;
  height: 200px;
  margin-bottom: 24px;
  position: relative;
}
.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.feature-card:hover .feature-img img { transform: scale(1.06); }
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 20px; margin-bottom: 10px; }
.feature-card p { font-size: 15px; color: var(--text-light); line-height: 1.75; }

/* ========== 分类入口 ========== */
.category-section { background: var(--bg); }
.category-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 28px;
}
.category-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(180deg, rgba(14,42,29,0) 0%, rgba(14,42,29,.82) 100%);
  transition: var(--transition);
}
.category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  transition: transform .6s ease;
}
.category-card:hover img { transform: scale(1.05); }
.category-card:hover { box-shadow: var(--shadow-hover); }
.category-card-body {
  padding: 40px;
  color: #fff;
  width: 100%;
}
.category-card-body .badge {
  background: rgba(255,255,255,.2);
  color: #fff;
  backdrop-filter: blur(4px);
  margin-bottom: 12px;
}
.category-card-body h3 { font-size: 28px; color: #fff; margin-bottom: 8px; }
.category-card-body p { font-size: 15px; color: rgba(255,255,255,.86); margin-bottom: 20px; line-height: 1.7; }
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 10px 22px;
  border-radius: 999px;
  background: rgba(255,255,255,.18);
  border: 1px solid rgba(255,255,255,.3);
  transition: var(--transition);
}
.category-link:hover {
  background: #fff;
  color: var(--primary-dark);
  border-color: #fff;
}
.category-sub { display: flex; flex-direction: column; gap: 16px; }
.sub-topic {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  font-weight: 600;
  color: var(--text);
  font-size: 16px;
  transition: var(--transition);
  flex: 1;
}
.sub-topic span { color: var(--primary); font-size: 18px; transition: transform .3s; }
.sub-topic:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateX(4px);
  color: var(--primary);
}
.sub-topic:hover span { transform: translateX(4px); }

/* ========== 最新发布 ========== */
.news-section { background: #fff; }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.news-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.news-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 0;
  background: var(--primary);
  transition: height .35s ease;
  border-radius: 0 4px 4px 0;
}
.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: transparent;
}
.news-card:hover::before { height: 100%; }
.news-badge { margin-bottom: 16px; align-self: flex-start; }
.news-title {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 12px;
}
.news-title a { color: var(--text); }
.news-title a:hover { color: var(--primary); }
.news-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: #8ba398;
}
.news-footer time { display: inline-flex; align-items: center; gap: 6px; }
.news-footer time i { font-size: 12px; }
.news-more {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.news-more:hover { color: var(--accent); gap: 8px; }
.empty-state {
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 60px;
  text-align: center;
  color: var(--text-light);
  font-size: 16px;
}

/* ========== 数据 ========== */
.stats-section {
  background: linear-gradient(135deg, #0e2a1d, #163b2a);
  padding: 84px 0;
  color: #fff;
}
.stats-section .section-title,
.stats-section .section-desc { color: #fff; }
.stats-section .section-desc { color: rgba(255,255,255,.75); }
.stats-section .section-tag { background: rgba(255,255,255,.14); color: #fff; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 36px;
  margin-top: 16px;
}
.stat-item {
  text-align: center;
  padding: 36px 20px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.09);
  transition: var(--transition);
}
.stat-item:hover { background: rgba(255,255,255,.08); transform: translateY(-4px); }
.stat-number {
  font-size: 48px;
  font-weight: 800;
  color: #ffd166;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 6px;
}
.stat-label { font-size: 15px; color: rgba(255,255,255,.78); }

/* ========== 流程 ========== */
.flow-section { background: var(--bg); }
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}
.flow-grid::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 10%;
  right: 10%;
  border-top: 2px dashed var(--border);
  z-index: 0;
}
.flow-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 32px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.flow-step:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.flow-step-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.flow-step h3 { font-size: 17px; margin-bottom: 8px; }
.flow-step p { font-size: 14px; color: var(--text-light); line-height: 1.6; }
.flow-step-num {
  position: absolute;
  top: -10px;
  right: 16px;
  background: var(--primary);
  color: #fff;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========== FAQ ========== */
.faq-section { background: #fff; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 4px 20px rgba(27,107,80,.08);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--primary);
  transition: transform .3s;
}
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.75;
}

/* ========== CTA ========== */
.cta-section {
  background: linear-gradient(135deg, rgba(14,42,29,.92) 0%, rgba(27,107,80,.82) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 86px 0;
  text-align: center;
  color: #fff;
}
.cta-section h2 { color: #fff; font-size: 34px; margin-bottom: 14px; }
.cta-section p { color: rgba(255,255,255,.8); font-size: 16px; max-width: 560px; margin: 0 auto 32px; line-height: 1.7; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ========== Footer ========== */
.site-footer {
  background: #0c1f17;
  color: rgba(255,255,255,.72);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand .logo:hover { color: #fff; }
.footer-brand .logo-mark { background: linear-gradient(135deg, var(--accent), #ff8c42); }
.footer-brand p { font-size: 14px; line-height: 1.75; max-width: 320px; color: rgba(255,255,255,.6); }
.footer-col h3 { font-size: 16px; color: #fff; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: rgba(255,255,255,.62); font-size: 14px; }
.footer-col a:hover { color: #ffd166; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,.42);
  text-align: center;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a { color: rgba(255,255,255,.55); }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .section { padding: 76px 0; }
  .section-title { font-size: 30px; }
  .hero-title { font-size: 44px; }
  .hero { padding: 100px 0 84px; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  :root { --header-height: 64px; }
  .menu-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 16px 24px;
    flex-direction: column;
    align-items: stretch;
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .3s ease;
    opacity: 0;
    visibility: hidden;
  }
  .main-nav.open {
    max-height: 400px;
    padding: 20px 24px;
    opacity: 1;
    visibility: visible;
  }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav a { display: block; text-align: center; padding: 12px 20px; }
  .header-cta { display: none; }
  .hero-title { font-size: 34px; }
  .hero-desc { font-size: 16px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .about-grid { grid-template-columns: 1fr; }
  .category-card { min-height: 260px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .section { padding: 60px 0; }
  .section-title { font-size: 25px; }
  .hero { padding: 76px 0 64px; }
  .hero-title { font-size: 28px; }
  .hero-btns .btn { width: 100%; }
  .news-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-number { font-size: 36px; }
  .flow-grid { grid-template-columns: 1fr; }
  .category-card-body { padding: 26px; }
  .cta-section h2 { font-size: 25px; }
  .cta-btns .btn { width: 100%; }
}

/* roulang page: category1 */
:root{
  --primary:#B02A30;
  --primary-dark:#8E2026;
  --primary-light:#D64A50;
  --secondary:#1E2A3A;
  --accent:#F39C12;
  --accent-dark:#D68910;
  --bg:#F7F8FA;
  --bg-white:#FFFFFF;
  --bg-light:#F0F2F5;
  --text:#1E293B;
  --text-light:#64748B;
  --border:#E2E8F0;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 10px rgba(0,0,0,0.05);
  --shadow-md:0 8px 28px rgba(0,0,0,0.09);
  --shadow-lg:0 16px 48px rgba(0,0,0,0.14);
  --grad-primary:linear-gradient(135deg,#B02A30 0%,#E05258 100%);
  --grad-dark:linear-gradient(135deg,#1E2A3A 0%,#2D3B4E 100%);
  --transition:all .3s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section-padding{padding:90px 0}
.section-title{font-size:34px;font-weight:800;text-align:center;margin-bottom:12px;line-height:1.35;letter-spacing:-0.02em;color:var(--secondary)}
.section-subtitle{font-size:17px;color:var(--text-light);text-align:center;max-width:640px;margin:0 auto 48px;line-height:1.7}
.text-center{text-align:center}

/* Header 导航 */
.site-header{
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:1000;
  box-shadow:0 2px 18px rgba(0,0,0,.04);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 4px 24px rgba(0,0,0,.08)}
.header-inner{
  max-width:1200px;
  margin:0 auto;
  padding:14px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.logo{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:24px;
  font-weight:800;
  color:var(--secondary);
  letter-spacing:-0.02em;
  white-space:nowrap;
}
.logo:hover{color:var(--secondary)}
.logo-mark{
  width:42px;
  height:42px;
  background:var(--grad-primary);
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:18px;
  flex-shrink:0;
  box-shadow:0 4px 14px rgba(176,42,48,.3);
}
.main-nav ul{
  display:flex;
  align-items:center;
  gap:6px;
  list-style:none;
  margin:0;
}
.main-nav ul li a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 22px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  color:var(--text-light);
  transition:var(--transition);
  border:1px solid transparent;
}
.main-nav ul li a:hover{
  color:var(--primary);
  background:rgba(176,42,48,.06);
}
.main-nav ul li a.active{
  color:#fff;
  background:var(--grad-primary);
  box-shadow:0 4px 14px rgba(176,42,48,.25);
}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 22px;
  background:var(--secondary);
  color:#fff;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  transition:var(--transition);
  white-space:nowrap;
}
.nav-cta:hover{
  background:var(--primary);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(30,42,58,.2);
}
.mobile-menu-btn{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--border);
  border-radius:10px;
  background:var(--bg-white);
  color:var(--secondary);
  font-size:18px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
}
.mobile-menu-btn:hover{border-color:var(--primary);color:var(--primary)}

@media (max-width:900px){
  .mobile-menu-btn{display:inline-flex}
  .main-nav{
    position:fixed;
    top:72px;
    left:16px;
    right:16px;
    background:#fff;
    border-radius:16px;
    box-shadow:var(--shadow-lg);
    padding:20px;
    opacity:0;
    visibility:hidden;
    transform:translateY(-12px);
    transition:var(--transition);
    z-index:999;
  }
  .main-nav.open{opacity:1;visibility:visible;transform:translateY(0)}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:4px}
  .main-nav ul li a{padding:14px 18px;justify-content:center;border-radius:10px}
  .nav-cta{display:none}
}

/* Hero */
.hero-sports{
  position:relative;
  padding:130px 0 110px;
  background:var(--grad-dark);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  isolation:isolate;
  overflow:hidden;
}
.hero-sports::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(30,42,58,.92) 0%,rgba(30,42,58,.68) 50%,rgba(30,42,58,.35) 100%);
  z-index:-1;
}
.hero-sports::after{
  content:"";
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  height:4px;
  background:var(--grad-primary);
  z-index:1;
}
.hero-content{position:relative;z-index:2;max-width:700px}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;
  font-size:13px;
  font-weight:600;
  padding:7px 18px;
  border-radius:999px;
  margin-bottom:26px;
  backdrop-filter:blur(8px);
}
.hero-badge i{color:var(--accent)}
.hero-content h1{
  font-size:54px;
  font-weight:900;
  color:#fff;
  line-height:1.15;
  letter-spacing:-0.02em;
  margin-bottom:20px;
}
.hero-content h1 span{
  background:linear-gradient(120deg,var(--accent),#FFD86E);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-content p{
  font-size:18px;
  line-height:1.8;
  color:rgba(255,255,255,.85);
  margin-bottom:36px;
  max-width:580px;
}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 34px;
  background:var(--grad-primary);
  color:#fff;
  font-size:16px;
  font-weight:600;
  border-radius:999px;
  border:none;
  cursor:pointer;
  box-shadow:0 8px 24px rgba(176,42,48,.35);
  transition:var(--transition);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 14px 34px rgba(176,42,48,.42);
  color:#fff;
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 32px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.35);
  color:#fff;
  font-size:16px;
  font-weight:500;
  border-radius:999px;
  transition:var(--transition);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.22);
  color:#fff;
  transform:translateY(-3px);
}
.hero-meta{
  display:flex;
  gap:30px;
  margin-top:48px;
  padding-top:30px;
  border-top:1px solid rgba(255,255,255,.15);
}
.hero-meta-item{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.hero-meta-item .num{
  font-size:26px;
  font-weight:800;
  color:#fff;
}
.hero-meta-item .label{
  font-size:13px;
  color:rgba(255,255,255,.65);
}

@media(max-width:768px){
  .hero-sports{padding:80px 0 70px}
  .hero-content h1{font-size:34px}
  .hero-content p{font-size:16px}
  .hero-meta{flex-wrap:wrap;gap:16px}
  .section-padding{padding:60px 0}
  .section-title{font-size:28px}
}

/* Category chips */
.chips-wrapper{
  background:var(--bg-white);
  border-bottom:1px solid var(--border);
  padding:18px 0;
  position:sticky;
  top:70px;
  z-index:50;
}
.chips-row{
  display:flex;
  gap:12px;
  flex-wrap:nowrap;
  overflow-x:auto;
  padding-bottom:4px;
  scrollbar-width:thin;
}
.chips-row::-webkit-scrollbar{height:4px}
.chips-row::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 20px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--bg-white);
  color:var(--text-light);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  transition:var(--transition);
  cursor:pointer;
}
.chip:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:rgba(176,42,48,.04);
}
.chip.active{
  background:var(--grad-primary);
  color:#fff;
  border-color:transparent;
  box-shadow:0 4px 14px rgba(176,42,48,.22);
}

/* Content Cards */
.content-cards{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:48px;
}
.content-card{
  background:var(--bg-white);
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--border);
  transition:var(--transition);
  display:flex;
  flex-direction:column;
}
.content-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:transparent;
}
.content-card .card-img{
  position:relative;
  overflow:hidden;
  height:180px;
}
.content-card .card-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.content-card:hover .card-img img{transform:scale(1.06)}
.card-tag{
  position:absolute;
  top:14px;
  left:14px;
  background:rgba(255,255,255,.92);
  color:var(--primary);
  font-size:12px;
  font-weight:700;
  padding:5px 14px;
  border-radius:999px;
  backdrop-filter:blur(6px);
}
.card-body{
  padding:24px 22px 26px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.card-body h3{
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:10px;
  color:var(--secondary);
}
.card-body p{
  font-size:14px;
  color:var(--text-light);
  line-height:1.7;
  margin-bottom:16px;
  flex:1;
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.card-link:hover{gap:12px;color:var(--primary-dark)}
.card-link i{transition:var(--transition)}

@media(max-width:1024px){
  .content-cards{grid-template-columns:repeat(2,1fr);gap:20px}
}
@media(max-width:560px){
  .content-cards{grid-template-columns:1fr}
}

/* Feature / highlight */
.feature-section{
  background:var(--bg-white);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.feature-grid{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:64px;
  align-items:center;
}
.feature-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(176,42,48,.08);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  padding:6px 16px;
  border-radius:999px;
  margin-bottom:18px;
}
.feature-grid h2{
  font-size:32px;
  font-weight:800;
  line-height:1.35;
  color:var(--secondary);
  margin-bottom:18px;
  letter-spacing:-0.01em;
}
.feature-grid > div > p{
  color:var(--text-light);
  font-size:16px;
  line-height:1.8;
  margin-bottom:28px;
}
.feature-points{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.feature-point{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:16px;
  background:var(--bg);
  border-radius:var(--radius-sm);
  border:1px solid var(--border);
  transition:var(--transition);
}
.feature-point:hover{
  border-color:var(--primary);
  background:rgba(176,42,48,.03);
  transform:translateY(-2px);
}
.feature-point-icon{
  width:40px;
  height:40px;
  flex-shrink:0;
  background:var(--grad-primary);
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:16px;
}
.feature-point-text h4{
  font-size:14px;
  font-weight:700;
  color:var(--secondary);
  margin-bottom:4px;
}
.feature-point-text p{
  font-size:12px;
  color:var(--text-light);
  margin:0;
  line-height:1.5;
}
.feature-image{
  position:relative;
}
.feature-image img{
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
}
.feature-image .experience-card{
  position:absolute;
  bottom:-20px;
  left:-20px;
  background:#fff;
  border-radius:var(--radius-md);
  padding:20px 28px;
  box-shadow:var(--shadow-lg);
  border:1px solid var(--border);
  display:flex;
  align-items:center;
  gap:16px;
}
.experience-card .experience-num{
  font-size:32px;
  font-weight:900;
  color:var(--primary);
  line-height:1;
}
.experience-card .experience-label{
  font-size:13px;
  color:var(--text-light);
  line-height:1.4;
}

@media(max-width:768px){
  .feature-grid{grid-template-columns:1fr;gap:48px}
  .feature-points{grid-template-columns:1fr}
  .feature-image .experience-card{left:0;bottom:-16px}
}

/* Stats */
.stats-section{
  position:relative;
  background:var(--grad-dark);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  background-attachment:fixed;
  padding:80px 0;
  isolation:isolate;
}
.stats-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(30,42,58,.9);
  z-index:-1;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}
.stat-item{
  text-align:center;
  padding:30px 16px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(6px);
  transition:var(--transition);
}
.stat-item:hover{
  background:rgba(255,255,255,.1);
  transform:translateY(-4px);
}
.stat-icon{
  width:56px;
  height:56px;
  margin:0 auto 16px;
  background:linear-gradient(135deg,var(--accent),#FFD86E);
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  color:var(--secondary);
  box-shadow:0 8px 20px rgba(243,156,18,.3);
}
.stat-item .stat-num{
  font-size:40px;
  font-weight:900;
  color:#fff;
  line-height:1.2;
  margin-bottom:6px;
  font-variant-numeric:tabular-nums;
}
.stat-item .stat-label{
  font-size:14px;
  color:rgba(255,255,255,.72);
}
@media(max-width:768px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-item .stat-num{font-size:30px}
}

/* News List */
.news-section{background:var(--bg)}
.news-list{
  max-width:860px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:0;
}
.news-item{
  display:flex;
  align-items:flex-start;
  gap:20px;
  padding:28px 16px;
  border-bottom:1px solid var(--border);
  transition:var(--transition);
  border-radius:var(--radius-sm);
}
.news-item:hover{
  background:var(--bg-white);
  padding-left:24px;
  box-shadow:var(--shadow-sm);
}
.news-item:first-child{border-top:1px solid var(--border)}
.news-date{
  flex-shrink:0;
  min-width:68px;
  background:var(--bg-white);
  border:1px solid var(--border);
  border-radius:12px;
  text-align:center;
  padding:10px 6px;
}
.news-date .day{
  font-size:20px;
  font-weight:800;
  color:var(--primary);
  display:block;
  line-height:1.2;
}
.news-date .month{
  font-size:12px;
  color:var(--text-light);
  display:block;
  margin-top:2px;
}
.news-content{flex:1}
.news-content h3{
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  margin-bottom:6px;
  color:var(--secondary);
  transition:var(--transition);
}
.news-item:hover .news-content h3{color:var(--primary)}
.news-content p{
  font-size:14px;
  color:var(--text-light);
  line-height:1.7;
  margin-bottom:8px;
}
.news-meta{
  display:flex;
  gap:14px;
  font-size:12px;
  color:var(--text-light);
}
.news-meta span{
  display:inline-flex;
  align-items:center;
  gap:5px;
}
.news-meta .news-cat{
  color:var(--primary);
  font-weight:600;
}
@media(max-width:640px){
  .news-item{flex-direction:column;gap:12px}
  .news-date{min-width:auto;display:inline-flex;align-items:center;gap:8px;padding:6px 16px}
  .news-date .day{font-size:16px}
}

/* FAQ */
.faq-section{background:var(--bg-white)}
.faq-wrap{
  max-width:860px;
  margin:0 auto;
}
.accordion-item{
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:var(--transition);
  background:var(--bg-white);
}
.accordion-item:hover{
  border-color:rgba(176,42,48,.3);
  box-shadow:var(--shadow-sm);
}
.accordion-title{
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  padding:22px 26px;
  background:transparent;
  border:none;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--secondary);
  cursor:pointer;
  transition:var(--transition);
}
.accordion-title:hover{color:var(--primary)}
.accordion-title .accordion-icon{
  width:30px;
  height:30px;
  flex-shrink:0;
  background:rgba(176,42,48,.08);
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  font-size:14px;
  transition:var(--transition);
}
.accordion-item.is-active .accordion-icon{
  background:var(--primary);
  color:#fff;
  transform:rotate(45deg);
}
.accordion-content{
  display:none;
  padding:0 26px 24px 72px;
  color:var(--text-light);
  line-height:1.8;
  font-size:15px;
}
.accordion-item.is-active .accordion-content{display:block}

/* CTA */
.cta-section{
  position:relative;
  padding:90px 0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  isolation:isolate;
}
.cta-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(176,42,48,.92),rgba(30,42,58,.85));
  z-index:-1;
}
.cta-inner{
  text-align:center;
  max-width:640px;
  margin:0 auto;
}
.cta-inner h2{
  color:#fff;
  font-size:38px;
  font-weight:800;
  line-height:1.3;
  margin-bottom:16px;
  letter-spacing:-0.01em;
}
.cta-inner p{
  color:rgba(255,255,255,.85);
  font-size:17px;
  line-height:1.8;
  margin-bottom:32px;
}
.cta-inner .btn-primary{
  background:#fff;
  color:var(--primary);
  box-shadow:0 8px 30px rgba(0,0,0,.2);
}
.cta-inner .btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 36px rgba(0,0,0,.3);
  color:var(--primary-dark);
}
@media(max-width:768px){
  .cta-inner h2{font-size:30px}
}

/* Footer */
.site-footer{
  background:var(--secondary);
  color:rgba(255,255,255,.75);
  padding:70px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:48px;
  padding-bottom:50px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo{
  color:#fff;
  font-size:22px;
  margin-bottom:18px;
}
.footer-brand .logo-mark{
  background:var(--grad-primary);
}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  max-width:360px;
  color:rgba(255,255,255,.6);
}
.footer-col h3{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:22px;
  position:relative;
  padding-bottom:12px;
}
.footer-col h3::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:28px;
  height:3px;
  background:var(--grad-primary);
  border-radius:3px;
}
.footer-col ul li{
  margin-bottom:12px;
}
.footer-col ul li a{
  color:rgba(255,255,255,.6);
  font-size:14px;
  transition:var(--transition);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.footer-col ul li a:hover{
  color:#fff;
  padding-left:6px;
}
.footer-col ul li a i{
  font-size:12px;
  color:var(--accent);
}
.footer-bottom{
  padding:22px 0;
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
}
.footer-bottom span{
  font-size:13px;
  color:rgba(255,255,255,.45);
}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr;gap:40px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* Transitions */
.btn-primary,.btn-ghost,.content-card,.news-item,.chip,.feature-point{transition:var(--transition)}
a:focus-visible,button:focus-visible{
  outline:3px solid rgba(176,42,48,.35);
  outline-offset:2px;
}

/* roulang page: article */
:root {
  --primary: #0f2744;
  --primary-light: #1d3a5f;
  --primary-dark: #081b30;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --accent-dark: #d97706;
  --body-bg: #f3f5f9;
  --white: #ffffff;
  --muted: #6b7a93;
  --border: #e3e8f0;
  --heading-color: #0f2744;
  --text-color: #334155;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 12px rgba(15, 39, 68, 0.07);
  --shadow-md: 0 8px 28px rgba(15, 39, 68, 0.1);
  --shadow-lg: 0 18px 48px rgba(15, 39, 68, 0.16);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--font-sans);
  background: var(--body-bg);
  color: var(--text-color);
  line-height: 1.75;
  font-size: 16px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 27, 48, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  padding: 14px 0;
}

.site-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.logo .logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  font-size: 17px;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0;
}

.main-nav ul li { margin: 0; }

.main-nav ul li a {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  border: 1px solid transparent;
  white-space: nowrap;
  transition: var(--transition);
}

.main-nav ul li a:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.main-nav ul li a.active {
  background: var(--accent);
  color: var(--primary-dark);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-actions .btn {
  font-size: 14px;
  padding: 9px 20px;
  border-radius: 999px;
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  transition: var(--transition);
  text-align: center;
  line-height: 1.4;
}

.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:focus-visible { outline: 3px solid rgba(245, 158, 11, 0.5); outline-offset: 2px; }
.btn:active { transform: translateY(0); box-shadow: none; }

.btn-accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: var(--primary-dark);
  border-color: transparent;
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.3);
}

.btn-accent:hover { box-shadow: 0 8px 28px rgba(245, 158, 11, 0.45); }

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

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

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover { background: rgba(255, 255, 255, 0.12); border-color: var(--white); }

.btn-lg { padding: 15px 40px; font-size: 16px; border-radius: 12px; }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 999px; }

/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  padding: 90px 0 80px;
  color: var(--white);
  overflow: hidden;
  background: var(--primary-dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.35;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(8, 27, 48, 0.95) 10%, rgba(29, 58, 95, 0.82) 55%, rgba(8, 27, 48, 0.7) 100%);
  z-index: 1;
}

.article-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.breadcrumb a { color: rgba(255, 255, 255, 0.75); }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb i { color: rgba(255, 255, 255, 0.4); font-style: normal; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.badge-accent {
  background: rgba(245, 158, 11, 0.18);
  color: var(--accent-light);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.badge-primary {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.article-hero h1 {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 900;
  line-height: 1.25;
  margin: 18px 0 20px;
  max-width: 900px;
  letter-spacing: -0.5px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.article-meta i { color: var(--accent); font-size: 14px; }

/* ===== Stats Strip ===== */
.stats-strip {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 30px 0;
  position: relative;
  z-index: 5;
  margin-top: -30px;
  border-radius: 0;
}

@media (min-width: 768px) {
  .stats-strip {
    border-radius: var(--radius-lg);
    margin: -40px auto 0;
    max-width: 1120px;
    box-shadow: var(--shadow-lg);
    padding: 36px 40px;
  }
}

.stats-strip .stat-item {
  text-align: center;
  padding: 12px 8px;
  border-right: 1px solid var(--border);
}

.stats-strip .cell:last-child .stat-item { border-right: none; }

.stat-item strong {
  display: block;
  font-size: 30px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-item strong em {
  font-style: normal;
  color: var(--accent);
}

.stat-item span {
  font-size: 13px;
  color: var(--muted);
}

/* ===== Article Content Section ===== */
.article-content-section {
  padding: 60px 0;
}

.article-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px 44px;
  margin-bottom: 30px;
  border: 1px solid rgba(227, 232, 240, 0.7);
}

.article-body {
  font-size: 16.5px;
  line-height: 2;
  color: var(--text-color);
}

.article-body p {
  margin-bottom: 1.6em;
}

.article-body h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--heading-color);
  margin: 2em 0 0.8em;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
  line-height: 1.4;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--heading-color);
  margin: 1.8em 0 0.6em;
}

.article-body ul {
  margin: 1.2em 0;
  padding: 0;
}

.article-body ul li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  list-style: none;
}

.article-body ul li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.article-body blockquote {
  background: rgba(245, 158, 11, 0.07);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 26px;
  margin: 1.6em 0;
  color: var(--heading-color);
  font-style: italic;
}

.article-body img {
  border-radius: var(--radius);
  margin: 1.8em 0;
  box-shadow: var(--shadow-sm);
}

.article-body a {
  color: var(--primary);
  border-bottom: 1px solid rgba(15, 39, 68, 0.3);
}

.article-body a:hover {
  color: var(--accent-dark);
  border-bottom-color: var(--accent);
}

.not-found {
  text-align: center;
  padding: 70px 20px;
}

.not-found i {
  font-size: 54px;
  color: var(--accent);
  margin-bottom: 18px;
}

.not-found h2 {
  font-size: 30px;
  color: var(--heading-color);
  margin-bottom: 12px;
}

.not-found p {
  color: var(--muted);
  margin-bottom: 30px;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Sidebar ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 100px;
}

.side-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 26px 28px;
  border: 1px solid rgba(227, 232, 240, 0.8);
  transition: var(--transition);
}

.side-card:hover { box-shadow: var(--shadow-md); }

.side-card h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--heading-color);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 12px;
}

.side-card h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 36px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}

.info-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 14px;
  gap: 12px;
}

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

.info-list span { color: var(--muted); }

.info-list strong { color: var(--heading-color); font-weight: 600; }

.tag-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-group a {
  display: inline-block;
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(15, 39, 68, 0.06);
  color: var(--primary);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.tag-group a:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  transform: translateY(-2px);
}

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

.hot-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.hot-item:hover {
  background: rgba(15, 39, 68, 0.04);
  transform: translateX(4px);
}

.hot-item img {
  width: 64px;
  height: 50px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.hot-item strong {
  display: block;
  font-size: 14px;
  color: var(--heading-color);
  line-height: 1.4;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hot-item span {
  font-size: 12px;
  color: var(--muted);
}

/* ===== Related Section ===== */
.related-section {
  padding: 70px 0;
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  text-align: center;
  margin-bottom: 46px;
}

.section-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 900;
  color: var(--heading-color);
  margin-bottom: 10px;
  letter-spacing: -0.5px;
}

.section-head p {
  color: var(--muted);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  margin-bottom: 18px;
}

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

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

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

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

.card-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(245, 158, 11, 0.92);
  color: var(--primary-dark);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.news-card .card-body {
  padding: 24px 24px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card .card-body h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--heading-color);
  line-height: 1.5;
  margin-bottom: 12px;
  transition: var(--transition);
}

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

.news-card .card-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 18px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.card-link {
  margin-top: auto;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link i { transition: transform 0.3s ease; }

.news-card:hover .card-link i { transform: translateX(4px); }

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 0;
  background: var(--primary-dark);
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(8, 27, 48, 0.95) 0%, rgba(8, 27, 48, 0.8) 50%, rgba(8, 27, 48, 0.35) 100%);
}

.cta-box {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  color: var(--white);
}

.cta-box h2 {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 900;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.cta-box p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
}

/* ===== Footer ===== */
.site-footer {
  background: #071326;
  color: rgba(255, 255, 255, 0.7);
  padding-top: 70px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
  margin-bottom: 18px;
  display: inline-flex;
}

.footer-brand p {
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}

.footer-col h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 22px;
}

.footer-col ul li { margin-bottom: 12px; }

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
  font-size: 14px;
}

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

.footer-bottom {
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== Grid Fixes / Custom ===== */
.grid-x { margin-left: -0.75rem; margin-right: -0.75rem; }
.grid-x > .cell { padding: 0 0.75rem; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-hero { padding: 70px 0 60px; }
  .article-card { padding: 30px 30px; }
  .footer-grid { gap: 32px; }
}

@media (max-width: 768px) {
  .site-header { padding: 12px 0; }
  .header-inner { flex-wrap: wrap; }
  .main-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 4px 0 2px;
  }
  .main-nav ul {
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 6px;
    min-width: max-content;
    padding-bottom: 4px;
  }
  .main-nav ul li a { padding: 8px 16px; font-size: 13.5px; }
  .header-actions { gap: 8px; }
  .article-content-section { padding: 40px 0; }
  .article-card { padding: 24px 18px; }
  .article-sidebar { position: static; margin-top: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .stats-strip { margin-top: 0; border-radius: 0; }
  .stats-strip .stat-item { border-right: none; border-bottom: 1px solid var(--border); }
  .stats-strip .cell:last-child .stat-item { border-bottom: none; }
  .cta-section { padding: 60px 0; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .article-hero h1 { font-size: 26px; }
  .article-meta { gap: 12px; }
  .btn-lg { padding: 14px 28px; font-size: 15px; }
  .article-body { font-size: 15.5px; line-height: 1.9; }
  .article-body h2 { font-size: 20px; }
  .news-card .card-body { padding: 18px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
}

@media (min-width: 769px) {
  .article-sidebar {
    margin-left: 0;
  }
}