/* roulang page: index */
:root {
  --primary: #0b1a2e;
  --primary-light: #142c49;
  --primary-soft: #1e3a5f;
  --accent: #f59e0b;
  --accent-deep: #d97706;
  --accent-soft: #fef3c7;
  --bg: #f6f8fb;
  --bg-alt: #eef2f7;
  --card: #ffffff;
  --text: #0f172a;
  --text-weak: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --radius-lg: 20px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(15,23,42,0.06);
  --shadow: 0 6px 24px rgba(15,23,42,0.08);
  --shadow-lg: 0 16px 48px rgba(15,23,42,0.12);
  --trans: all .25s cubic-bezier(.4,0,.2,1);
  --container-w: 1200px;
  --header-h: 118px;
  --nav-bottom-h: 48px;
}
*,
*::before,
*::after {
  margin:0;
  padding:0;
  box-sizing:border-box;
}
html {
  scroll-behavior:smooth;
}
body {
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a {
  color:inherit;
  text-decoration:none;
  transition:var(--trans);
}
img {
  max-width:100%;
  height:auto;
  display:block;
}
button,
input,
select,
textarea {
  font-family:inherit;
  font-size:inherit;
  outline:none;
  border:none;
  background:none;
}
.container {
  width:100%;
  max-width:var(--container-w);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section {
  padding:90px 0;
}
.section-head {
  text-align:center;
  max-width:720px;
  margin:0 auto 52px;
}
.section-head .eyebrow {
  display:inline-block;
  background:var(--accent-soft);
  color:var(--accent-deep);
  font-size:13px;
  font-weight:600;
  padding:6px 18px;
  border-radius:999px;
  letter-spacing:1px;
  margin-bottom:16px;
}
.section-head h2 {
  font-size:36px;
  font-weight:800;
  line-height:1.25;
  color:var(--primary);
  margin-bottom:12px;
  letter-spacing:-.5px;
}
.section-head p {
  color:var(--text-weak);
  font-size:16px;
  line-height:1.75;
}
.btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 30px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  line-height:1.4;
  transition:var(--trans);
  cursor:pointer;
  border:2px solid transparent;
}
.btn-primary {
  background:var(--accent);
  color:var(--primary);
  box-shadow:0 4px 16px rgba(245,158,11,.35);
}
.btn-primary:hover {
  background:var(--accent-deep);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(217,119,6,.35);
}
.btn-outline {
  border-color:rgba(255,255,255,.6);
  color:#fff;
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(4px);
}
.btn-outline:hover {
  border-color:#fff;
  background:rgba(255,255,255,.18);
  transform:translateY(-2px);
}
.btn-dark {
  background:var(--primary);
  color:#fff;
}
.btn-dark:hover {
  background:var(--primary-light);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(11,26,46,.25);
}
.badge {
  display:inline-block;
  background:var(--accent-soft);
  color:var(--accent-deep);
  border-radius:999px;
  padding:4px 12px;
  font-size:12px;
  font-weight:600;
  line-height:1.4;
}
.badge-primary {
  background:var(--primary-soft);
  color:#fff;
}
.badge-live {
  background:#ef4444;
  color:#fff;
}

/* ===== Header ===== */
.site-header {
  position:sticky;
  top:0;
  z-index:100;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(15,23,42,.04);
}
.header-top {
  background:var(--primary);
  color:#fff;
}
.header-top .container {
  display:flex;
  align-items:center;
  gap:28px;
  height:66px;
}
.logo {
  font-size:24px;
  font-weight:900;
  letter-spacing:.5px;
  color:#fff;
  background:linear-gradient(135deg,var(--accent),#fbbf24);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  white-space:nowrap;
  flex-shrink:0;
}
.logo span {
  -webkit-text-fill-color:currentColor;
  color:#fff;
  font-weight:700;
}
.search-box {
  flex:1;
  max-width:480px;
  display:flex;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;
  overflow:hidden;
  transition:var(--trans);
}
.search-box:focus-within {
  border-color:var(--accent);
  background:rgba(255,255,255,.16);
  box-shadow:0 0 0 3px rgba(245,158,11,.25);
}
.search-box input {
  flex:1;
  min-width:0;
  padding:10px 20px;
  color:#fff;
  font-size:14px;
}
.search-box input::placeholder {
  color:rgba(255,255,255,.6);
}
.search-box button {
  padding:10px 20px;
  background:var(--accent);
  color:var(--primary);
  font-weight:700;
  cursor:pointer;
  transition:var(--trans);
}
.search-box button:hover {
  background:var(--accent-deep);
  color:#fff;
}
.header-actions {
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.header-cta {
  padding:9px 22px;
  border-radius:999px;
  background:var(--accent);
  color:var(--primary);
  font-weight:700;
  font-size:14px;
  transition:var(--trans);
  white-space:nowrap;
}
.header-cta:hover {
  background:#fff;
  color:var(--primary);
  transform:scale(1.04);
}
.nav-toggle {
  display:none;
  width:40px;
  height:40px;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.12);
  border-radius:10px;
  color:#fff;
  font-size:20px;
  cursor:pointer;
  transition:var(--trans);
}
.nav-toggle:hover {
  background:rgba(255,255,255,.22);
}
.nav-main {
  background:#fff;
  border-bottom:1px solid var(--border);
}
.nav-links {
  display:flex;
  align-items:center;
  gap:4px;
  min-height:52px;
  flex-wrap:wrap;
}
.nav-links a {
  padding:8px 20px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--text-weak);
  white-space:nowrap;
  transition:var(--trans);
}
.nav-links a:hover {
  color:var(--primary);
  background:var(--bg-alt);
}
.nav-links a.active {
  color:var(--primary);
  background:var(--accent-soft);
  font-weight:700;
}
.nav-links .hot-tags {
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:4px;
  font-size:13px;
  color:var(--text-light);
}
.hot-tags a {
  padding:4px 12px;
  font-size:13px;
  background:var(--bg-alt);
  border-radius:999px;
}
.hot-tags a:hover {
  background:var(--accent-soft);
  color:var(--accent-deep);
}

/* ===== Hero ===== */
.hero {
  position:relative;
  background:linear-gradient(135deg,rgba(11,26,46,.92),rgba(20,44,73,.78)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:110px 0;
  color:#fff;
  overflow:hidden;
}
.hero::after {
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:380px;
  height:380px;
  background:radial-gradient(circle,rgba(245,158,11,.22),transparent 65%);
  border-radius:50%;
  pointer-events:none;
}
.hero .container {
  position:relative;
  z-index:2;
}
.hero-badge {
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(245,158,11,.18);
  border:1px solid rgba(245,158,11,.4);
  color:#fbbf24;
  padding:8px 20px;
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  margin-bottom:24px;
  backdrop-filter:blur(4px);
}
.hero-badge .dot {
  width:8px;
  height:8px;
  background:#fbbf24;
  border-radius:50%;
  box-shadow:0 0 0 3px rgba(251,191,36,.3);
  animation:pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { transform:scale(1); }
  50% { transform:scale(1.3); }
}
.hero h1 {
  font-size:52px;
  font-weight:900;
  line-height:1.15;
  letter-spacing:-1px;
  max-width:640px;
  margin-bottom:20px;
}
.hero h1 .highlight {
  color:var(--accent);
  position:relative;
}
.hero p.lead {
  font-size:18px;
  line-height:1.8;
  color:rgba(255,255,255,.85);
  max-width:560px;
  margin-bottom:36px;
}
.hero-actions {
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:48px;
}
.hero-stats {
  display:flex;
  gap:40px;
  flex-wrap:wrap;
  padding-top:36px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats .stat-item {
  display:flex;
  flex-direction:column;
}
.hero-stats .stat-num {
  font-size:32px;
  font-weight:900;
  color:#fff;
  letter-spacing:-.5px;
}
.hero-stats .stat-label {
  font-size:14px;
  color:rgba(255,255,255,.7);
  margin-top:4px;
}

/* ===== Ticker ===== */
.ticker-bar {
  background:var(--primary);
  color:#fff;
  border-top:2px solid rgba(245,158,11,.4);
  overflow:hidden;
  padding:10px 0;
}
.ticker-inner {
  display:flex;
  align-items:center;
  gap:20px;
}
.ticker-label {
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--accent);
  color:var(--primary);
  font-weight:700;
  font-size:13px;
  padding:5px 14px;
  border-radius:999px;
  flex-shrink:0;
}
.ticker-text {
  font-size:14px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  color:rgba(255,255,255,.9);
}
.ticker-text .highlight {
  color:var(--accent);
  font-weight:600;
}

/* ===== Features ===== */
.features-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.feature-card {
  background:var(--card);
  border-radius:var(--radius-lg);
  padding:38px 30px;
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  transition:var(--trans);
  position:relative;
  overflow:hidden;
}
.feature-card::before {
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-soft));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .45s ease;
}
.feature-card:hover::before {
  transform:scaleX(1);
}
.feature-card:hover {
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.feature-icon {
  width:60px;
  height:60px;
  background:var(--accent-soft);
  border-radius:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
  color:var(--accent-deep);
  margin-bottom:22px;
}
.feature-card h3 {
  font-size:20px;
  font-weight:700;
  margin-bottom:10px;
  color:var(--primary);
}
.feature-card p {
  color:var(--text-weak);
  font-size:15px;
  line-height:1.7;
}

/* ===== Categories ===== */
.categories {
  background:var(--bg-alt);
}
.category-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.category-card {
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--card);
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  transition:var(--trans);
}
.category-card:hover {
  transform:translateY(-8px);
  box-shadow:var(--shadow-lg);
}
.category-card img {
  width:100%;
  height:220px;
  object-fit:cover;
  transition:transform .5s ease;
}
.category-card:hover img {
  transform:scale(1.05);
}
.category-body {
  padding:26px;
}
.category-body h3 {
  font-size:20px;
  font-weight:700;
  margin-bottom:8px;
  color:var(--primary);
}
.category-body p {
  color:var(--text-weak);
  font-size:14px;
  line-height:1.7;
  margin-bottom:18px;
}
.category-link {
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--accent-deep);
  font-weight:600;
  font-size:14px;
}
.category-link:hover {
  gap:12px;
}
.category-card .cate-icon {
  position:absolute;
  top:16px;
  right:16px;
  width:42px;
  height:42px;
  background:rgba(255,255,255,.92);
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  color:var(--primary);
  box-shadow:var(--shadow-sm);
  backdrop-filter:blur(4px);
}

/* ===== News Feed ===== */
.news-grid {
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.news-card {
  display:flex;
  gap:20px;
  background:var(--card);
  border-radius:var(--radius);
  border:1px solid var(--border);
  padding:18px;
  box-shadow:var(--shadow-sm);
  transition:var(--trans);
}
.news-card:hover {
  box-shadow:var(--shadow);
  transform:translateY(-3px);
}
.news-card img {
  width:140px;
  height:130px;
  object-fit:cover;
  border-radius:var(--radius-sm);
  flex-shrink:0;
}
.news-card-body {
  flex:1;
  min-width:0;
  display:flex;
  flex-direction:column;
}
.news-card-body .tag {
  align-self:flex-start;
  margin-bottom:8px;
}
.news-card-body h3 {
  font-size:17px;
  font-weight:700;
  line-height:1.4;
  margin-bottom:8px;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card-body h3 a:hover {
  color:var(--accent-deep);
}
.news-card-body p {
  font-size:14px;
  color:var(--text-weak);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  flex:1;
}
.news-card-meta {
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:10px;
  font-size:12px;
  color:var(--text-light);
}
.news-card-meta .tag {
  background:var(--accent-soft);
  color:var(--accent-deep);
  padding:2px 10px;
  border-radius:999px;
  font-weight:600;
}
.news-btn-wrap {
  text-align:center;
  margin-top:40px;
}
.empty-tip {
  grid-column:1/-1;
  text-align:center;
  padding:60px 20px;
  background:var(--card);
  border-radius:var(--radius);
  border:1px dashed var(--border);
  color:var(--text-weak);
  font-size:16px;
}

/* ===== Steps ===== */
.steps {
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  color:#fff;
}
.steps .section-head h2 {
  color:#fff;
}
.steps .section-head p {
  color:rgba(255,255,255,.75);
}
.steps .section-head .eyebrow {
  background:rgba(245,158,11,.2);
  color:#fbbf24;
}
.steps-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
  counter-reset:step;
}
.step-item {
  text-align:center;
  padding:32px 18px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-lg);
  position:relative;
  transition:var(--trans);
}
.step-item:hover {
  background:rgba(255,255,255,.12);
  transform:translateY(-4px);
}
.step-num {
  width:52px;
  height:52px;
  background:var(--accent);
  color:var(--primary);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  font-weight:900;
  margin:0 auto 18px;
  box-shadow:0 4px 16px rgba(245,158,11,.4);
}
.step-item h3 {
  font-size:18px;
  font-weight:700;
  margin-bottom:8px;
}
.step-item p {
  font-size:14px;
  color:rgba(255,255,255,.75);
  line-height:1.6;
}

/* ===== FAQ ===== */
.faq-list {
  max-width:800px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.faq-item {
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:var(--trans);
}
.faq-item:hover {
  border-color:var(--accent);
  box-shadow:var(--shadow-sm);
}
.faq-q {
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 24px;
  cursor:pointer;
  font-weight:600;
  font-size:16px;
  color:var(--text);
  transition:var(--trans);
}
.faq-q .faq-icon {
  width:28px;
  height:28px;
  flex-shrink:0;
  border-radius:8px;
  background:var(--accent-soft);
  color:var(--accent-deep);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  transition:var(--trans);
}
.faq-item.active .faq-icon {
  background:var(--accent);
  color:var(--primary);
  transform:rotate(45deg);
}
.faq-a {
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a-inner {
  padding:0 24px 20px 66px;
  color:var(--text-weak);
  font-size:15px;
  line-height:1.75;
}

/* ===== CTA ===== */
.cta-section {
  background:linear-gradient(135deg,rgba(11,26,46,.92),rgba(20,44,73,.85)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:100px 0;
  text-align:center;
  color:#fff;
}
.cta-section h2 {
  font-size:38px;
  font-weight:900;
  margin-bottom:16px;
  letter-spacing:-.5px;
}
.cta-section p {
  font-size:17px;
  color:rgba(255,255,255,.8);
  max-width:560px;
  margin:0 auto 36px;
}
.cta-actions {
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}

/* ===== Footer ===== */
.site-footer {
  background:var(--primary);
  color:rgba(255,255,255,.8);
  padding:60px 0 0;
}
.footer-grid {
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo {
  font-size:28px;
  margin-bottom:16px;
  display:block;
}
.footer-brand p {
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.65);
  max-width:280px;
}
.footer-col h4 {
  font-size:16px;
  color:#fff;
  font-weight:700;
  margin-bottom:20px;
}
.footer-col ul {
  list-style:none;
}
.footer-col ul li {
  margin-bottom:10px;
}
.footer-col ul a {
  font-size:14px;
  color:rgba(255,255,255,.7);
  transition:var(--trans);
}
.footer-col ul a:hover {
  color:var(--accent);
  padding-left:6px;
}
.footer-col .contact-item {
  display:flex;
  gap:10px;
  align-items:center;
  font-size:14px;
  margin-bottom:12px;
  color:rgba(255,255,255,.7);
}
.footer-col .contact-item i {
  color:var(--accent);
  width:18px;
  text-align:center;
}
.footer-bottom {
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a {
  color:rgba(255,255,255,.5);
}
.footer-bottom a:hover {
  color:var(--accent);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .features-grid,
  .category-grid {
    grid-template-columns:repeat(2,1fr);
  }
  .steps-grid {
    grid-template-columns:repeat(2,1fr);
    gap:20px;
  }
  .news-grid {
    grid-template-columns:1fr;
  }
  .footer-grid {
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width: 768px) {
  .section {
    padding:60px 0;
  }
  .section-head h2 {
    font-size:28px;
  }
  .header-top .container {
    gap:12px;
    height:60px;
  }
  .search-box {
    display:none;
  }
  .header-cta {
    padding:8px 16px;
    font-size:13px;
  }
  .nav-toggle {
    display:flex;
  }
  .nav-main {
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:#fff;
    border-bottom:1px solid var(--border);
    box-shadow:var(--shadow-lg);
    padding:12px 0;
  }
  .nav-main.open {
    display:block;
  }
  .nav-links {
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    min-height:auto;
  }
  .nav-links a {
    padding:12px 20px;
    border-radius:8px;
    font-size:15px;
    display:block;
  }
  .nav-links .hot-tags {
    margin-left:0;
    padding:10px 20px;
    border-top:1px solid var(--border);
    flex-wrap:wrap;
    gap:6px;
  }
  .hero {
    padding:72px 0;
  }
  .hero h1 {
    font-size:34px;
  }
  .hero p.lead {
    font-size:16px;
  }
  .hero-stats {
    gap:24px;
    padding-top:28px;
  }
  .hero-stats .stat-num {
    font-size:26px;
  }
  .features-grid,
  .category-grid {
    grid-template-columns:1fr;
  }
  .news-card {
    flex-direction:column;
  }
  .news-card img {
    width:100%;
    height:180px;
  }
  .steps-grid {
    grid-template-columns:1fr;
  }
  .footer-grid {
    grid-template-columns:1fr;
    gap:30px;
  }
  .cta-section {
    padding:60px 0;
  }
  .cta-section h2 {
    font-size:28px;
  }
}
@media (max-width: 520px) {
  .container {
    padding-left:16px;
    padding-right:16px;
  }
  .header-top .container {
    gap:8px;
  }
  .logo {
    font-size:20px;
  }
  .hero-actions .btn {
    width:100%;
  }
  .hero-stats {
    gap:16px;
  }
  .hero-stats .stat-num {
    font-size:22px;
  }
  .hero-stats .stat-label {
    font-size:12px;
  }
  .ticker-label {
    padding:4px 10px;
    font-size:12px;
  }
  .ticker-text {
    font-size:12px;
  }
  .section-head {
    margin-bottom:36px;
  }
  .section-head h2 {
    font-size:24px;
  }
  .footer-bottom {
    flex-direction:column;
    text-align:center;
  }
}

/* roulang page: category1 */
:root {
            --primary: #e6364a;
            --primary-dark: #c4273b;
            --primary-light: #fff0f1;
            --accent: #ffb74d;
            --accent-light: #fff6e9;
            --deep: #151b2b;
            --deep-2: #1d2537;
            --bg: #f5f6fb;
            --surface: #ffffff;
            --text: #1c2230;
            --muted: #6c748a;
            --line: #e8e9f1;
            --radius: 18px;
            --radius-sm: 10px;
            --radius-lg: 26px;
            --shadow: 0 10px 32px rgba(22, 27, 44, .08);
            --shadow-lg: 0 22px 48px rgba(22, 27, 44, .14);
            --container: 1200px;
            --space: 84px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        ul {
            list-style: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }
        .container {
            width: min(var(--container), 100% - 40px);
            margin-inline: auto;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            box-shadow: 0 6px 24px rgba(22, 27, 44, .07);
        }
        .header-top {
            background: var(--surface);
        }
        .header-top .container {
            display: flex;
            align-items: center;
            gap: 26px;
            height: 66px;
        }
        .logo {
            font-size: 24px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: .5px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo::before {
            content: "";
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            box-shadow: 0 0 0 4px rgba(230, 54, 74, .14);
        }
        .search-box {
            flex: 1;
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 4px 6px 4px 20px;
            height: 42px;
            min-width: 0;
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text);
            min-width: 0;
        }
        .search-box button {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 14px;
            display: grid;
            place-items: center;
            transition: .3s;
            flex-shrink: 0;
        }
        .search-box button:hover {
            transform: scale(1.06);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 9px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 8px 20px rgba(230, 54, 74, .3);
            transition: .3s;
        }
        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(230, 54, 74, .38);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--bg);
            color: var(--text);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: .3s;
        }
        .nav-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-main {
            background: var(--deep);
            border-top: 1px solid rgba(255, 255, 255, .06);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 50px;
        }
        .nav-links>a {
            position: relative;
            color: rgba(255, 255, 255, .82);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 999px;
            transition: .3s;
        }
        .nav-links>a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        .nav-links>a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 6px 16px rgba(230, 54, 74, .35);
        }
        .hot-tags {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            white-space: nowrap;
        }
        .hot-tags span {
            font-size: 14px;
            margin-right: 2px;
        }
        .hot-tags a {
            font-size: 12px;
            color: rgba(255, 255, 255, .75);
            background: rgba(255, 255, 255, .08);
            padding: 5px 12px;
            border-radius: 999px;
            transition: .3s;
        }
        .hot-tags a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .16);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 92px 0 92px;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(21, 27, 43, .92) 0%, rgba(21, 27, 43, .76) 42%, rgba(230, 54, 74, .35) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 22px;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb i {
            font-size: 11px;
            color: rgba(255, 255, 255, .5);
        }
        .page-hero h1 {
            font-size: 44px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }
        .page-hero h1 span {
            color: var(--accent);
        }
        .hero-desc {
            max-width: 620px;
            font-size: 16px;
            color: rgba(255, 255, 255, .82);
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: .3s;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 10px 26px rgba(230, 54, 74, .4);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 34px rgba(230, 54, 74, .48);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .25);
            backdrop-filter: blur(6px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .2);
            transform: translateY(-3px);
        }
        .hero-status {
            margin-top: 28px;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .16);
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 13px;
            backdrop-filter: blur(6px);
        }
        .hero-status .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #37d67a;
            box-shadow: 0 0 0 4px rgba(55, 214, 122, .22);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 3px rgba(55, 214, 122, .24);
            }
            50% {
                box-shadow: 0 0 0 7px rgba(55, 214, 122, .1);
            }
        }

        /* ===== Live Bar ===== */
        .live-bar {
            background: linear-gradient(90deg, var(--deep), var(--deep-2));
            color: #fff;
            padding: 13px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .live-bar .container {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .live-bar-icon {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
        }
        .live-bar-text {
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
        }
        .live-bar-link {
            margin-left: auto;
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            transition: .3s;
        }
        .live-bar-link:hover {
            color: #fff;
        }

        /* ===== Section ===== */
        .section {
            padding: var(--space) 0;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: .5px;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-head h2 span {
            color: var(--primary);
        }
        .section-head p {
            color: var(--muted);
            font-size: 15px;
        }

        /* ===== Intro Cards ===== */
        .intro-section {
            background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .intro-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 30px 24px;
            transition: .3s;
            position: relative;
            overflow: hidden;
        }
        .intro-card::after {
            content: "";
            position: absolute;
            right: -30px;
            top: -30px;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: var(--primary-light);
            opacity: .7;
        }
        .intro-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .intro-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            display: grid;
            place-items: center;
            font-size: 22px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            margin-bottom: 18px;
            box-shadow: 0 10px 22px rgba(230, 54, 74, .3);
        }
        .intro-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .intro-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
        }

        /* ===== Guide List ===== */
        .guide-section {
            background: var(--surface);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .guide-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: .3s;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .guide-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .guide-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: .5s;
        }
        .guide-card:hover .guide-cover img {
            transform: scale(1.05);
        }
        .badge {
            position: absolute;
            left: 14px;
            top: 14px;
            z-index: 2;
            display: inline-flex;
            align-items: center;
            background: rgba(230, 54, 74, .92);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }
        .guide-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .guide-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 10px;
        }
        .guide-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .guide-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
        }
        .guide-body .guide-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .guide-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: .3s;
        }
        .guide-link i {
            transition: .3s;
        }
        .guide-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Process Steps ===== */
        .process-section {
            background: linear-gradient(180deg, var(--bg), #fff);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 22px;
            position: relative;
        }
        .steps-grid::before {
            content: "";
            position: absolute;
            top: 40px;
            left: 8%;
            right: 8%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: .35;
        }
        .step-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 28px 18px;
            text-align: center;
            transition: .3s;
            position: relative;
            z-index: 1;
        }
        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .step-num {
            width: 60px;
            height: 60px;
            margin: 0 auto 16px;
            border-radius: 50%;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            box-shadow: 0 10px 24px rgba(230, 54, 74, .32);
        }
        .step-card:nth-child(even) .step-num {
            background: linear-gradient(135deg, var(--accent), #ff9f1c);
            box-shadow: 0 10px 24px rgba(255, 155, 28, .32);
        }
        .step-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
        }

        /* ===== Tag Cloud ===== */
        .tag-section {
            background: var(--surface);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .tags-wrap {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 860px;
            margin: 0 auto;
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: .3s;
        }
        .tag-chip i {
            color: var(--primary);
            font-size: 12px;
        }
        .tag-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(230, 54, 74, .14);
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: .3s;
        }
        .faq-item[open] {
            background: #fff;
            box-shadow: var(--shadow);
            border-color: transparent;
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 13px;
            color: var(--primary);
            transition: .3s;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 24px 22px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            padding: 84px 0;
            color: #fff;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(230, 54, 74, .92), rgba(21, 27, 43, .88));
        }
        .cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .cta-box p {
            color: rgba(255, 255, 255, .85);
            font-size: 16px;
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .cta-box .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 14px 38px;
            font-size: 16px;
            font-weight: 700;
            border-radius: 999px;
            box-shadow: 0 14px 34px rgba(0, 0, 0, .22);
            transition: .3s;
        }
        .cta-box .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 18px 40px rgba(0, 0, 0, .3);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, .72);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 42px;
            padding-bottom: 44px;
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            max-width: 280px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 26px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            transition: .3s;
        }
        .footer-col ul a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 12px;
        }
        .contact-item i {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(255, 255, 255, .08);
            display: grid;
            place-items: center;
            font-size: 12px;
            color: var(--accent);
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --space: 64px;
            }
            .intro-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(3, 1fr);
                row-gap: 30px;
            }
            .steps-grid::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .hot-tags {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .header-top .container {
                height: 60px;
                gap: 12px;
            }
            .search-box {
                display: none;
            }
            .header-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-main {
                display: none;
            }
            .nav-main.open {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                align-items: stretch;
                height: auto;
                padding: 14px 0;
                gap: 4px;
            }
            .nav-links>a {
                text-align: center;
                padding: 12px;
                font-size: 16px;
            }
            .nav-links>a.active {
                background: rgba(230, 54, 74, .18);
                color: #fff;
                box-shadow: none;
            }
            .page-hero {
                padding: 64px 0 60px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .intro-grid,
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-actions .btn {
                flex: 1;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 26px;
            }
        }
        @media (max-width: 520px) {
            .container {
                width: calc(100% - 28px);
            }
            .logo {
                font-size: 20px;
            }
            .header-cta {
                font-size: 0;
                padding: 9px 12px;
            }
            .header-cta i {
                font-size: 16px;
                margin: 0 !important;
            }
            .page-hero h1 {
                font-size: 25px;
            }
            .hero-status {
                font-size: 12px;
                padding: 8px 14px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-box h2 {
                font-size: 26px;
            }
            .cta-box .btn-cta {
                padding: 13px 28px;
                font-size: 15px;
            }
        }

/* roulang page: article */
:root{
    --primary:#0f1f3d;
    --primary-light:#1b3a6b;
    --primary-dark:#081226;
    --accent:#f5a623;
    --accent-light:#ffc966;
    --accent-dark:#d98c0e;
    --bg:#f4f6fa;
    --bg-alt:#eef1f7;
    --card:#ffffff;
    --text:#17212f;
    --text-weak:#64748b;
    --border:#e2e8f0;
    --radius:14px;
    --radius-sm:8px;
    --radius-lg:22px;
    --shadow:0 8px 28px rgba(15,31,61,.08);
    --shadow-lg:0 18px 44px rgba(15,31,61,.14);
    --shadow-accent:0 10px 30px rgba(245,166,35,.3);
    --transition:all .3s ease;
    --container: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","Helvetica Neue",Arial,sans-serif;
    line-height:1.65;
    background:var(--bg);
    color:var(--text);
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,select,textarea{font-family:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
@media(max-width:520px){.container{padding:0 18px}}

.btn-primary{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--accent);color:#fff;border:none;
    padding:13px 30px;border-radius:999px;
    font-size:15px;font-weight:600;
    box-shadow:var(--shadow-accent);
    transition:var(--transition);
    line-height:1.2;
}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 14px 36px rgba(245,166,35,.42)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
    display:inline-flex;align-items:center;gap:8px;
    background:transparent;color:#fff;border:2px solid rgba(255,255,255,.8);
    padding:11px 28px;border-radius:999px;
    font-size:15px;font-weight:600;
    transition:var(--transition);
    line-height:1.2;
}
.btn-outline:hover{background:#fff;color:var(--primary);border-color:#fff;transform:translateY(-2px)}

.site-header{
    position:sticky;top:0;z-index:999;
    background:#fff;
    border-bottom:1px solid var(--border);
    box-shadow:0 4px 20px rgba(15,31,61,.05);
}
.header-top{border-bottom:1px solid var(--border)}
.header-top .container{
    display:flex;align-items:center;justify-content:space-between;
    height:66px;gap:20px;
}
.logo{
    font-size:24px;font-weight:800;color:var(--primary);
    letter-spacing:1px;
    display:inline-flex;align-items:center;gap:8px;
    white-space:nowrap;
}
.logo i{color:var(--accent);font-size:22px}
.search-box{
    flex:1;max-width:460px;
    display:flex;align-items:center;
    background:var(--bg-alt);
    border:2px solid transparent;
    border-radius:999px;
    padding:4px 6px 4px 18px;
    transition:var(--transition);
}
.search-box:focus-within{
    border-color:var(--accent);
    background:#fff;
    box-shadow:0 4px 18px rgba(245,166,35,.18);
}
.search-box input{
    flex:1;border:none;background:transparent;
    font-size:14px;color:var(--text);
    min-width:0;
}
.search-box input::placeholder{color:#94a3b8}
.search-box button{
    width:36px;height:36px;
    display:flex;align-items:center;justify-content:center;
    background:var(--accent);color:#fff;
    border-radius:50%;
    font-size:14px;
    transition:var(--transition);
    flex-shrink:0;
}
.search-box button:hover{background:var(--accent-dark)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.header-cta{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--primary);color:#fff;
    padding:9px 22px;border-radius:999px;
    font-size:14px;font-weight:600;
    transition:var(--transition);
}
.header-cta:hover{background:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-accent)}
.nav-toggle{
    display:none;
    font-size:20px;color:var(--primary);
    padding:6px 10px;border:2px solid var(--border);
    border-radius:var(--radius-sm);
    transition:var(--transition);
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
.nav-main{background:var(--primary)}
.nav-links{display:flex;align-items:center;gap:4px;min-height:48px}
.nav-links>a{
    color:rgba(255,255,255,.85);
    font-size:15px;font-weight:500;
    padding:12px 18px;
    border-bottom:3px solid transparent;
    transition:var(--transition);
    display:inline-flex;align-items:center;gap:6px;
}
.nav-links>a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-links>a.active{color:var(--accent);border-bottom-color:var(--accent);background:rgba(245,166,35,.08)}
.hot-tags{
    display:flex;align-items:center;gap:6px;
    margin-left:auto;
    padding-left:16px;
}
.hot-tags>span{font-size:13px;color:var(--accent);font-weight:600}
.hot-tags a{
    color:rgba(255,255,255,.75);
    font-size:13px;
    background:rgba(255,255,255,.08);
    padding:4px 12px;
    border-radius:999px;
    transition:var(--transition);
}
.hot-tags a:hover{background:var(--accent);color:#fff}

.page-banner{
    position:relative;
    background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    padding:56px 0 48px;
    color:#fff;
}
.page-banner::before{
    content:'';
    position:absolute;inset:0;
    background:linear-gradient(135deg,rgba(15,31,61,.88) 0%,rgba(27,58,107,.72) 100%);
}
.page-banner .container{position:relative;z-index:1}
.breadcrumb{
    display:flex;align-items:center;gap:8px;
    font-size:13px;color:rgba(255,255,255,.75);
    margin-bottom:12px;
}
.breadcrumb a{transition:var(--transition)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb i{font-size:10px;color:rgba(255,255,255,.4)}
.page-title{
    font-size:32px;font-weight:800;line-height:1.35;
    max-width:840px;
    text-shadow:0 2px 20px rgba(0,0,0,.2);
}
.page-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:18px;
    margin-top:16px;
    font-size:14px;color:rgba(255,255,255,.85);
}
.page-meta span{display:inline-flex;align-items:center;gap:7px}
.page-meta i{color:var(--accent)}

.article-layout{
    display:grid;
    grid-template-columns:1fr 340px;
    gap:28px;
    padding:44px 0;
    align-items:start;
}
.article-main{
    background:var(--card);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow);
    padding:36px 38px;
    min-width:0;
}
.article-content{font-size:16px;line-height:1.9;color:var(--text)}
.article-content h2{
    font-size:24px;font-weight:800;color:var(--primary);
    margin:42px 0 16px;
    padding-bottom:10px;
    border-bottom:2px solid var(--border);
}
.article-content h3{
    font-size:20px;font-weight:700;color:var(--primary);
    margin:34px 0 12px;
}
.article-content h4{
    font-size:17px;font-weight:700;color:var(--primary);
    margin:26px 0 10px;
}
.article-content p{margin-bottom:18px}
.article-content ul,.article-content ol{margin-bottom:20px;padding-left:26px}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin-bottom:8px}
.article-content img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow)}
.article-content a{
    color:var(--accent-dark);
    text-decoration:underline;
    text-underline-offset:4px;
    font-weight:500;
}
.article-content a:hover{color:var(--accent)}
.article-content blockquote{
    margin:22px 0;
    padding:18px 22px;
    background:var(--bg-alt);
    border-left:4px solid var(--accent);
    border-radius:0 var(--radius-sm) var(--radius-sm) 0;
    color:var(--text-weak);
    font-size:15px;
}
.article-content table{
    width:100%;border-collapse:collapse;
    margin:22px 0;
    font-size:14px;
}
.article-content th,.article-content td{
    border:1px solid var(--border);
    padding:10px 14px;
    text-align:left;
}
.article-content th{background:var(--bg-alt);font-weight:600;color:var(--primary)}
.article-content tr:nth-child(even){background:var(--bg)}
.article-content code{
    background:var(--bg-alt);
    padding:2px 8px;border-radius:4px;
    font-size:14px;
    font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
}
.article-content pre{
    background:var(--primary);
    color:#fff;
    padding:18px 22px;
    border-radius:var(--radius);
    overflow-x:auto;
    margin:22px 0;
    font-size:14px;
    line-height:1.7;
}
.article-content pre code{background:transparent;color:inherit;padding:0}
.article-content hr{border:none;border-top:1px solid var(--border);margin:30px 0}
.article-content strong{font-weight:700;color:var(--primary)}
.article-tags{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    margin-top:30px;padding-top:22px;
    border-top:1px solid var(--border);
}
.article-tags i{color:var(--accent);margin-right:2px}
.tag-pill{
    background:var(--bg-alt);color:var(--text-weak);
    font-size:13px;padding:6px 14px;
    border-radius:999px;
    transition:var(--transition);
}
.tag-pill:hover{background:var(--accent);color:#fff}

.not-found{
    text-align:center;
    padding:90px 30px;
}
.not-found i{
    font-size:64px;color:var(--border);
    margin-bottom:20px;
}
.not-found h2{
    font-size:26px;font-weight:800;color:var(--primary);
    margin-bottom:10px;
}
.not-found p{
    color:var(--text-weak);
    margin-bottom:28px;
    font-size:15px;
}

.article-sidebar{display:flex;flex-direction:column;gap:22px;min-width:0}
.sidebar-card{
    background:var(--card);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    padding:22px;
}
.sidebar-card-title{
    font-size:16px;font-weight:700;color:var(--primary);
    display:flex;align-items:center;gap:8px;
    padding-bottom:14px;margin-bottom:16px;
    border-bottom:1px solid var(--border);
    position:relative;
}
.sidebar-card-title::after{
    content:'';
    position:absolute;bottom:-1px;left:0;
    width:38px;height:3px;
    background:var(--accent);
    border-radius:2px;
}
.sidebar-card-title i{color:var(--accent)}
.sidebar-cats li{
    margin-bottom:6px;
}
.sidebar-cats a{
    display:flex;align-items:center;justify-content:space-between;
    padding:10px 14px;
    border-radius:var(--radius-sm);
    font-size:14px;font-weight:500;color:var(--text);
    transition:var(--transition);
}
.sidebar-cats a:hover{
    background:var(--bg-alt);color:var(--accent);
    transform:translateX(4px);
}
.sidebar-cats .num{
    background:var(--bg-alt);color:var(--text-weak);
    font-size:12px;font-weight:600;
    padding:2px 8px;border-radius:999px;
    transition:var(--transition);
}
.sidebar-cats a:hover .num{background:var(--accent);color:#fff}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
    background:var(--bg-alt);
    color:var(--text-weak);
    font-size:13px;
    padding:6px 14px;border-radius:999px;
    transition:var(--transition);
}
.tag-cloud a:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
.info-card{
    background:linear-gradient(145deg,var(--primary) 0%,var(--primary-light) 100%);
    color:#fff;border:none;
    position:relative;overflow:hidden;
}
.info-card::before{
    content:'';
    position:absolute;top:-60px;right:-60px;
    width:160px;height:160px;
    background:radial-gradient(circle,rgba(245,166,35,.18),transparent 70%);
    border-radius:50%;
}
.info-card .sidebar-card-title{color:#fff;border-bottom-color:rgba(255,255,255,.15)}
.info-card .sidebar-card-title::after{background:var(--accent)}
.info-item{
    display:flex;gap:14px;
    padding:13px 2px;
    border-bottom:1px solid rgba(255,255,255,.08);
    position:relative;z-index:1;
}
.info-item:last-child{border-bottom:none}
.info-item>i{
    font-size:20px;color:var(--accent);
    width:26px;text-align:center;
    margin-top:2px;
}
.info-item strong{display:block;font-size:14px;margin-bottom:2px}
.info-item span{font-size:13px;color:rgba(255,255,255,.65)}

.related-section{
    background:var(--bg);
    padding:64px 0;
    border-top:1px solid var(--border);
}
.section-header{text-align:center;margin-bottom:40px}
.section-title{
    font-size:30px;font-weight:800;color:var(--primary);
    margin-bottom:8px;
}
.section-title span{color:var(--accent)}
.section-subtitle{font-size:15px;color:var(--text-weak)}
.related-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}
.related-card{
    background:var(--card);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow);
    overflow:hidden;
    display:flex;flex-direction:column;
    transition:var(--transition);
    border:1px solid transparent;
}
.related-card:hover{
    transform:translateY(-8px);
    box-shadow:var(--shadow-lg);
    border-color:var(--accent);
}
.card-img{
    height:190px;
    background-size:cover;background-position:center;
    position:relative;
}
.card-img .tag{
    position:absolute;top:16px;left:16px;
    background:var(--accent);color:#fff;
    font-size:12px;font-weight:600;
    padding:5px 12px;border-radius:999px;
    box-shadow:0 4px 12px rgba(245,166,35,.35);
}
.card-body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:6px}
.card-body p{font-size:14px;color:var(--text-weak);line-height:1.7;margin-bottom:14px;flex:1}
.card-link{
    color:var(--accent-dark);
    font-size:14px;font-weight:600;
    display:inline-flex;align-items:center;gap:6px;
    transition:var(--transition);
}
.card-link i{transition:transform .3s ease}
.related-card:hover .card-link{color:var(--accent)}
.related-card:hover .card-link i{transform:translateX(4px)}

.faq-section{background:var(--bg-alt);padding:64px 0}
.faq-grid{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
    overflow:hidden;
    transition:var(--transition);
}
.faq-item:hover{border-color:var(--accent);box-shadow:var(--shadow-lg)}
.faq-item summary{
    display:flex;align-items:center;gap:12px;
    padding:18px 22px;
    cursor:pointer;
    font-weight:600;font-size:15px;color:var(--text);
    list-style:none;
    position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
    content:"\f067";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    margin-left:auto;
    color:var(--accent);
    font-size:14px;
    transition:transform .3s ease;
    flex-shrink:0;
}
.faq-item[open] summary::after{
    content:"\f068";
    transform:rotate(180deg);
}
.faq-item[open] summary{color:var(--accent-dark)}
.faq-content{
    padding:0 22px 20px;
    color:var(--text-weak);
    font-size:14px;
    line-height:1.8;
}
.faq-content p{margin-bottom:10px}
.faq-content p:last-child{margin-bottom:0}

.cta-section{
    position:relative;
    background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding:70px 0;
    text-align:center;
    color:#fff;
}
.cta-section::before{
    content:'';
    position:absolute;inset:0;
    background:linear-gradient(135deg,rgba(15,31,61,.92) 0%,rgba(27,58,107,.78) 100%);
}
.cta-section .container{position:relative;z-index:1}
.cta-title{
    font-size:32px;font-weight:800;
    margin-bottom:12px;
    text-shadow:0 2px 16px rgba(0,0,0,.25);
}
.cta-text{
    font-size:16px;color:rgba(255,255,255,.8);
    margin-bottom:30px;
}
.cta-btn-group{
    display:flex;justify-content:center;gap:16px;
    flex-wrap:wrap;
}

.site-footer{
    background:var(--primary-dark);
    color:#fff;
    padding-top:56px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:40px;
    padding-bottom:40px;
}
.footer-brand .logo{color:#fff;font-size:22px;margin-bottom:14px}
.footer-brand p{
    font-size:14px;line-height:1.8;
    color:rgba(255,255,255,.65);
    max-width:320px;
}
.footer-col h4{
    font-size:15px;font-weight:700;
    margin-bottom:16px;
    color:#fff;
    position:relative;
    padding-bottom:8px;
}
.footer-col h4::after{
    content:'';
    position:absolute;bottom:0;left:0;
    width:26px;height:2px;
    background:var(--accent);
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
    color:rgba(255,255,255,.65);
    font-size:14px;
    transition:var(--transition);
}
.footer-col ul a:hover{color:var(--accent);padding-left:4px}
.contact-item{
    display:flex;align-items:center;gap:10px;
    color:rgba(255,255,255,.65);
    font-size:14px;
    margin-bottom:12px;
}
.contact-item i{color:var(--accent);width:18px;text-align:center}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding:20px 0;
    display:flex;justify-content:space-between;align-items:center;
    font-size:13px;color:rgba(255,255,255,.45);
    flex-wrap:wrap;gap:8px;
}

@media(max-width:1024px){
    .article-layout{grid-template-columns:1fr;padding:36px 0}
    .article-sidebar{
        display:grid;
        grid-template-columns:repeat(3,1fr);
        gap:18px;
    }
    .related-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    .header-top .container{height:60px;gap:12px}
    .search-box{display:none}
    .nav-toggle{display:inline-flex}
    .nav-main{
        display:none;
        position:absolute;
        top:100%;left:0;right:0;
        background:var(--primary);
        border-top:1px solid rgba(255,255,255,.08);
        box-shadow:0 20px 40px rgba(15,31,61,.3);
    }
    .nav-main.open{display:block}
    .nav-links{
        flex-direction:column;
        align-items:stretch;
        padding:8px 0;
        min-height:auto;
    }
    .nav-links>a{
        padding:13px 24px;
        border-bottom:1px solid rgba(255,255,255,.06);
        border-left:3px solid transparent;
    }
    .nav-links>a.active{border-left-color:var(--accent);border-bottom-color:rgba(255,255,255,.06)}
    .hot-tags{display:none}
    .page-title{font-size:25px}
    .article-main{padding:26px 22px}
    .article-sidebar{grid-template-columns:1fr}
    .related-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media(max-width:520px){
    .header-cta{padding:8px 16px;font-size:13px}
    .header-cta i{display:none}
    .logo{font-size:20px}
    .page-banner{padding:40px 0 34px}
    .page-title{font-size:21px}
    .page-meta{gap:10px;font-size:13px}
    .article-main{padding:20px 16px}
    .article-content{font-size:15px}
    .article-content h2{font-size:21px}
    .cta-title{font-size:24px}
    .section-title{font-size:24px}
    .cta-btn-group{flex-direction:column;align-items:center}
    .btn-primary,.btn-outline{width:100%;justify-content:center}
    .footer-bottom{justify-content:center;text-align:center}
}

/* roulang page: category3 */
/* ========== Design Variables ========== */
        :root {
            --primary: #f04e23;
            --primary-dark: #d43d16;
            --primary-light: #ff6b3d;
            --secondary: #1e2a3a;
            --secondary-deep: #141c28;
            --accent: #ffc938;
            --accent-soft: #fff6df;
            --bg: #f6f8fc;
            --bg-white: #ffffff;
            --bg-deep: #0e1621;
            --text-main: #1a2233;
            --text-body: #4a5468;
            --text-weak: #8b93a7;
            --border: #e4e8f0;
            --border-light: #eef1f6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(20, 40, 80, .06);
            --shadow-md: 0 8px 30px rgba(20, 40, 80, .08);
            --shadow-lg: 0 18px 48px rgba(20, 40, 80, .12);
            --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
            --transition: all .25s ease;
            --container: 1240px;
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button, input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul, ol {
            list-style: none;
        }
        h1, h2, h3, h4, h5 {
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -.02em;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 28px;
        }
        .section {
            padding: 88px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }

        /* ========== Header & Nav ========== */
        .site-header {
            background: var(--bg-white);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 18px rgba(16, 24, 40, .04);
        }
        .header-top {
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .header-top .container {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .logo {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -.02em;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .logo::before {
            content: "";
            display: inline-block;
            width: 22px;
            height: 22px;
            border-radius: 6px;
            background: var(--primary);
            background-image: linear-gradient(135deg, var(--primary), var(--accent));
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-left: auto;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 4px 6px 4px 18px;
            transition: var(--transition);
            flex: 1;
            max-width: 360px;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(240, 78, 35, .12);
            background: var(--bg-white);
        }
        .search-box input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 10px 0;
            font-size: 14px;
            color: var(--text-main);
            width: 100%;
        }
        .search-box input::placeholder {
            color: var(--text-weak);
        }
        .search-box button {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            cursor: pointer;
            display: grid;
            place-items: center;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .search-box button:hover {
            background: var(--primary-dark);
            transform: scale(.96);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            padding: 10px 22px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
        }
        .header-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(240, 78, 35, .3);
        }
        .nav-toggle {
            display: none;
            font-size: 22px;
            color: var(--text-main);
            cursor: pointer;
            background: var(--bg);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
        }
        .nav-main {
            background: var(--bg-white);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            padding-top: 8px;
            padding-bottom: 8px;
        }
        .nav-links > a {
            display: inline-block;
            padding: 9px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 30px;
            transition: var(--transition);
            position: relative;
        }
        .nav-links > a:hover {
            color: var(--primary);
            background: rgba(240, 78, 35, .06);
        }
        .nav-links > a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 6px 16px rgba(240, 78, 35, .25);
        }
        .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
            padding-left: 12px;
            border-left: 1px solid var(--border-light);
        }
        .hot-tags span {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            margin-right: 2px;
        }
        .hot-tags a {
            font-size: 13px;
            color: var(--text-weak);
            background: var(--bg);
            padding: 5px 14px;
            border-radius: 20px;
            transition: var(--transition);
        }
        .hot-tags a:hover {
            color: var(--primary);
            background: var(--accent-soft);
        }

        /* ========== Page Banner (Category Hero) ========== */
        .page-banner {
            position: relative;
            padding: 80px 0 90px;
            background: linear-gradient(rgba(20, 28, 40, .75), rgba(20, 28, 40, .55)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::after {
            content: "";
            position: absolute;
            right: -120px;
            top: -120px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(240, 78, 35, .35), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .banner-crumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 18px;
        }
        .banner-crumb a {
            color: rgba(255, 255, 255, .8);
            transition: var(--transition);
        }
        .banner-crumb a:hover {
            color: var(--accent);
        }
        .banner-crumb .sep {
            opacity: .5;
        }
        .page-banner h1 {
            font-size: 44px;
            font-weight: 800;
            margin-bottom: 16px;
            max-width: 680px;
        }
        .page-banner h1 span {
            color: var(--accent);
        }
        .banner-desc {
            font-size: 18px;
            color: rgba(255, 255, 255, .85);
            max-width: 600px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .banner-meta {
            display: flex;
            align-items: center;
            gap: 28px;
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
        }
        .banner-meta i {
            color: var(--accent);
            margin-right: 6px;
        }

        /* ========== Section Head ========== */
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }
        .section-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 30px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .section-head p {
            color: var(--text-body);
            font-size: 16px;
            line-height: 1.8;
        }

        /* ========== Activity Filter ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 44px;
        }
        .filter-bar .filter-item {
            padding: 9px 22px;
            border-radius: 30px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-bar .filter-item:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .filter-bar .filter-item.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 6px 16px rgba(240, 78, 35, .25);
        }

        /* ========== Activity Cards ========== */
        .activity-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .activity-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .activity-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .card-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .activity-card:hover .card-cover img {
            transform: scale(1.06);
        }
        .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
        }
        .card-badge.hot {
            background: var(--accent);
            color: var(--secondary-deep);
        }
        .card-time {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(10, 16, 26, .65);
            color: #fff;
            font-size: 12px;
            padding: 5px 12px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }
        .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.45;
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
            margin-top: auto;
        }
        .card-meta .meta-num {
            font-size: 13px;
            color: var(--text-weak);
        }
        .card-meta .meta-num i {
            color: var(--primary);
            margin-right: 5px;
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition);
        }
        .card-link:hover {
            gap: 9px;
            color: var(--primary-dark);
        }

        /* ========== Ranking Board ========== */
        .ranking-wrap {
            background: var(--bg-deep);
            border-radius: var(--radius-lg);
            padding: 56px 56px 48px;
            position: relative;
            overflow: hidden;
        }
        .ranking-wrap::before {
            content: "";
            position: absolute;
            top: -80px;
            right: 40px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(240, 78, 35, .3), transparent 70%);
            border-radius: 50%;
        }
        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }
        .ranking-item {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            display: flex;
            align-items: center;
            gap: 18px;
            transition: var(--transition);
        }
        .ranking-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateX(6px);
        }
        .ranking-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 201, 56, .1);
            border-radius: 14px;
            flex-shrink: 0;
        }
        .ranking-item:nth-child(1) .ranking-num,
        .ranking-item:nth-child(2) .ranking-num,
        .ranking-item:nth-child(3) .ranking-num {
            color: #fff;
            background: var(--primary);
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-info h3 {
            color: #fff;
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-info p {
            color: rgba(255, 255, 255, .6);
            font-size: 13px;
        }
        .ranking-stat {
            text-align: right;
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            flex-shrink: 0;
        }
        .ranking-stat strong {
            display: block;
            font-size: 20px;
            color: var(--accent);
            margin-bottom: 2px;
        }
        .ranking-extra {
            text-align: center;
            margin-top: 40px;
        }
        .ranking-extra span {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            margin-right: 8px;
        }

        /* ========== Process Steps ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .step-item {
            position: relative;
            text-align: center;
            padding: 36px 24px 28px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-icon {
            width: 68px;
            height: 68px;
            margin: 0 auto 18px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 26px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 24px rgba(240, 78, 35, .25);
        }
        .step-num {
            position: absolute;
            top: 14px;
            right: 18px;
            font-size: 42px;
            font-weight: 800;
            color: var(--border-light);
            line-height: 1;
        }
        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            padding: 10px 24px;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 16px 0;
            cursor: pointer;
        }
        .faq-q h3 {
            font-size: 16px;
            font-weight: 600;
            flex: 1;
        }
        .faq-q i {
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(45deg);
        }
        .faq-a {
            display: none;
            padding-bottom: 20px;
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-wrap {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-deep) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-wrap::after {
            content: "";
            position: absolute;
            right: -70px;
            bottom: -70px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            border: 32px solid rgba(255, 255, 255, .06);
        }
        .cta-content h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, .7);
            font-size: 16px;
        }
        .cta-btn {
            background: var(--accent);
            color: var(--secondary-deep);
            padding: 15px 38px;
            border-radius: 40px;
            font-size: 16px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
            z-index: 2;
        }
        .cta-btn:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 32px rgba(255, 201, 56, .4);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, .6);
            padding: 64px 0 0;
            margin-top: 40px;
        }
        .site-footer .logo {
            color: #fff;
        }
        .site-footer .logo::before {
            background: linear-gradient(135deg, var(--primary), var(--accent));
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand p {
            margin-top: 16px;
            font-size: 15px;
            line-height: 1.8;
            max-width: 280px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 12px;
        }
        .contact-item i {
            color: var(--primary-light);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .activity-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .ranking-wrap {
                padding: 40px 28px;
            }
            .ranking-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            .header-top .container {
                gap: 16px;
                flex-wrap: wrap;
            }
            .search-box {
                order: 3;
                max-width: 100%;
                width: 100%;
                flex-basis: 100%;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .header-cta {
                display: none;
            }
            .nav-main {
                display: none;
                border-top: 1px solid var(--border-light);
            }
            .nav-main.open {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 16px 20px;
            }
            .nav-links > a {
                width: 100%;
                border-radius: 10px;
                padding: 12px 16px;
            }
            .hot-tags {
                margin-left: 0;
                padding-left: 0;
                border-left: none;
                margin-top: 12px;
                flex-wrap: wrap;
                width: 100%;
            }
            .page-banner {
                padding: 56px 0 64px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .banner-desc {
                font-size: 16px;
            }
            .banner-meta {
                flex-wrap: wrap;
                gap: 12px;
            }
            .activity-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .cta-wrap {
                flex-direction: column;
                text-align: center;
                padding: 40px 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .logo {
                font-size: 22px;
            }
            .ranking-item {
                flex-wrap: wrap;
            }
            .ranking-stat {
                text-align: left;
            }
        }

        /* ========== Utility ========== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(240, 78, 35, .4);
            outline-offset: 2px;
        }

/* roulang page: category2 */
/* ============================================
   设计变量
============================================ */
:root {
  --primary: #4f6ef7;
  --primary-dark: #3b52d6;
  --primary-light: #7f96ff;
  --accent: #ff6b35;
  --accent-dark: #e0521c;
  --accent-light: #ff9a6c;
  --bg-body: #f5f7fb;
  --bg-dark: #0e1a2b;
  --surface: #ffffff;
  --surface-soft: #eef1f6;
  --text-main: #1a2332;
  --text-weak: #68748a;
  --text-invert: #ffffff;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 12px rgba(15, 26, 43, 0.06);
  --shadow-md: 0 8px 28px rgba(15, 26, 43, 0.10);
  --shadow-lg: 0 16px 48px rgba(15, 26, 43, 0.16);
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 32px;
  --space-xl: 64px;
}

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

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

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

input {
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

/* ============================================
   徽章 / 标签
============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(79, 110, 247, 0.12);
  color: var(--primary-dark);
  letter-spacing: .3px;
}

.badge--accent {
  background: rgba(255, 107, 53, 0.14);
  color: var(--accent-dark);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-weak);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: all .25s ease;
}

.chip:hover {
  color: var(--primary);
  border-color: var(--primary-light);
  background: rgba(79, 110, 247, 0.04);
}

.chip--active {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(79, 110, 247, 0.28);
}

/* ============================================
   按钮
============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: all .25s ease;
  white-space: nowrap;
}

.btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(79, 110, 247, 0.25);
}

.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(79, 110, 247, 0.35);
}

.btn--accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(255, 107, 53, 0.28);
}

.btn--accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255, 107, 53, 0.38);
}

.btn--ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
}

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

/* ============================================
   吸顶导航
============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

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

.header-top .container {
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

.search-box {
  flex: 1;
  display: flex;
  max-width: 520px;
  margin: 0 auto;
  background: var(--surface-soft);
  border-radius: 999px;
  border: 1.5px solid transparent;
  transition: all .25s ease;
}

.search-box:focus-within {
  border-color: var(--primary-light);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(79, 110, 247, 0.10);
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  padding: 10px 18px;
  font-size: 14px;
  color: var(--text-main);
  min-width: 0;
}

.search-box input::placeholder {
  color: var(--text-weak);
}

.search-box button {
  padding: 0 20px;
  color: var(--text-weak);
  font-size: 15px;
  transition: color .2s ease;
}

.search-box button:hover {
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  padding: 9px 22px;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(79, 110, 247, 0.25);
  transition: all .25s ease;
}

.header-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--text-main);
  font-size: 18px;
  align-items: center;
  justify-content: center;
}

.nav-main {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
  overflow-x: auto;
  padding: 6px 0;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-links > a {
  padding: 9px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  border-radius: 10px;
  white-space: nowrap;
  transition: all .2s ease;
}

.nav-links > a:hover {
  color: var(--primary);
  background: rgba(79, 110, 247, 0.06);
}

.nav-links > a.active {
  color: var(--primary);
  background: rgba(79, 110, 247, 0.10);
  font-weight: 600;
}

.hot-tags {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  padding-left: 16px;
  border-left: 1px solid var(--border);
}

.hot-tags span {
  margin-right: 6px;
  font-size: 14px;
}

.hot-tags a {
  font-size: 13px;
  color: var(--text-weak);
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--surface-soft);
  white-space: nowrap;
  transition: all .2s ease;
}

.hot-tags a:hover {
  color: var(--accent);
  background: rgba(255, 107, 53, 0.10);
}

/* ============================================
   分类页 Hero
============================================ */
.category-hero {
  position: relative;
  color: #fff;
  padding: 72px 0 56px;
  background:
    linear-gradient(135deg, rgba(10, 20, 36, 0.94) 0%, rgba(30, 41, 66, 0.86) 55%, rgba(79, 110, 247, 0.55) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow: hidden;
}

.category-hero::after {
  content: '';
  position: absolute;
  top: -60%;
  right: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.35) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.category-hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.category-hero__content .badge {
  margin-bottom: 18px;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  backdrop-filter: blur(4px);
}

.category-hero h1 {
  font-size: 42px;
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.category-hero h1 .highlight {
  color: var(--accent-light);
}

.category-hero p.lead {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 520px;
  margin-bottom: 28px;
}

.hero-meta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-meta__item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-meta__item i {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 15px;
  color: var(--accent-light);
}

.hero-meta__item strong {
  display: block;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.hero-meta__item span {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}

.hero-live {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.3);
}

.hero-live__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.hero-live__head h3 {
  font-size: 16px;
  font-weight: 600;
}

.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.live-dot::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.hero-live__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-live__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  transition: background .2s ease;
}

.hero-live__item:hover {
  background: rgba(255, 255, 255, 0.12);
}

.hero-live__item .rank-icon {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.15);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-light);
  flex-shrink: 0;
}

.hero-live__item .rank-text {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero-live__item .rank-num {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  flex-shrink: 0;
}

/* ============================================
   板块通用
============================================ */
.section {
  padding: var(--space-xl) 0;
}

.section--soft {
  background: var(--surface-soft);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}

.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  position: relative;
}

.section-head h2::before {
  content: '';
  width: 28px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  display: block;
  margin-bottom: 10px;
}

.section-head h2 .sub {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-weak);
  margin-left: 10px;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: all .25s ease;
}

.link-more:hover {
  color: var(--primary-dark);
  border-color: var(--primary-light);
  transform: translateX(2px);
  box-shadow: var(--shadow-sm);
}

/* ============================================
   筛选栏
============================================ */
.filter-bar {
  padding: 20px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.filter-bar .container {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.filter-bar__label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-weak);
  margin-right: 4px;
}

.filter-bar__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ============================================
   攻略卡片网格
============================================ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(79, 110, 247, 0.2);
}

.guide-card__img {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-soft);
}

.guide-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.guide-card:hover .guide-card__img img {
  transform: scale(1.04);
}

.guide-card__tag {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: rgba(15, 26, 43, 0.7);
  backdrop-filter: blur(4px);
  border-radius: 999px;
}

.guide-card__updating {
  position: absolute;
  bottom: 14px;
  right: 14px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.guide-card__body {
  padding: 22px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.guide-card__body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
}

.guide-card__body h3 a:hover {
  color: var(--primary);
}

.guide-card__body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.guide-card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-weak);
}

.guide-card__meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ============================================
   排行榜板块
============================================ */
.section--rank {
  background: linear-gradient(180deg, var(--bg-body), var(--surface-soft));
}

.rank-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 40px;
}

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

.rank-item {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 16px 20px;
  transition: all .25s ease;
  position: relative;
  overflow: hidden;
}

.rank-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity .25s ease;
}

.rank-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.rank-item:hover::before {
  opacity: 1;
}

.rank-item__num {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--surface-soft);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-weak);
  flex-shrink: 0;
}

.rank-item.t1 .rank-item__num {
  background: linear-gradient(135deg, #f59e0b, var(--accent));
  color: #fff;
}

.rank-item.t2 .rank-item__num {
  background: linear-gradient(135deg, #94a3b8, #64748b);
  color: #fff;
}

.rank-item.t3 .rank-item__num {
  background: linear-gradient(135deg, #d97706, #b45309);
  color: #fff;
}

.rank-item__content {
  flex: 1;
  min-width: 0;
}

.rank-item__title {
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rank-item__title a:hover {
  color: var(--primary);
}

.rank-item__stats {
  font-size: 13px;
  color: var(--text-weak);
  margin-top: 2px;
}

.rank-item__bar {
  width: 140px;
  height: 6px;
  border-radius: 6px;
  background: var(--surface-soft);
  overflow: hidden;
  flex-shrink: 0;
}

.rank-item__bar span {
  display: block;
  height: 100%;
  border-radius: 6px;
  background: linear-gradient(90deg, var(--primary-light), var(--primary));
}

.rank-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.side-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}

.side-card--dark {
  background: linear-gradient(135deg, var(--bg-dark), #1e2a3e);
  border: none;
  color: #fff;
}

.side-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
}

.side-card--dark h3 {
  color: #fff;
}

.side-card__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.side-card__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-weak);
}

.side-card--dark .side-card__item {
  color: rgba(255, 255, 255, 0.75);
}

.side-card__item i {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--surface-soft);
  color: var(--primary);
  font-size: 13px;
}

.side-card--dark .side-card__item i {
  background: rgba(255, 255, 255, 0.12);
  color: var(--accent-light);
}

.side-card .btn {
  width: 100%;
  margin-top: 18px;
}

/* ============================================
   深度专题
============================================ */
.topic-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-lg);
  padding: 52px 60px;
  color: #fff;
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 48px rgba(79, 110, 247, 0.25);
}

.topic-card::after {
  content: '';
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.4) 0%, transparent 70%);
  border-radius: 50%;
}

.topic-card__content {
  position: relative;
  z-index: 2;
}

.topic-card__content .badge {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  margin-bottom: 14px;
}

.topic-card__content h2 {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.topic-card__content p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 480px;
  margin-bottom: 24px;
}

.topic-card__content .btn {
  background: #fff;
  color: var(--primary-dark);
}

.topic-card__content .btn:hover {
  background: var(--surface-soft);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
}

.topic-card__image {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.25);
  transform: rotate(2deg);
}

.topic-card__image img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

/* ============================================
   FAQ
============================================ */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow .25s ease;
}

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

.faq-item summary {
  padding: 20px 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
  transition: background .2s ease;
}

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

.faq-item summary::after {
  content: '\f078';
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 13px;
  color: var(--text-weak);
  transition: transform .3s ease;
  flex-shrink: 0;
}

.faq-item[open] summary {
  background: rgba(79, 110, 247, 0.03);
}

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

.faq-item__content {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

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

.cta-card {
  background:
    linear-gradient(135deg, rgba(14, 26, 43, 0.95) 0%, rgba(30, 41, 66, 0.9) 100%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border-radius: var(--radius-lg);
  padding: 56px 60px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -100px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(79, 110, 247, 0.3) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-card h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
}

.cta-card p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 500px;
  margin: 0 auto 28px;
  position: relative;
  z-index: 2;
}

.cta-form {
  display: flex;
  max-width: 500px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 6px;
  position: relative;
  z-index: 2;
  backdrop-filter: blur(8px);
}

.cta-form input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  padding: 10px 18px;
  font-size: 14px;
  color: #fff;
  min-width: 0;
}

.cta-form input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.cta-form .btn {
  border-radius: 999px;
  flex-shrink: 0;
}

/* ============================================
   页脚
============================================ */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  font-size: 22px;
  margin-bottom: 14px;
  display: inline-block;
}

.footer-brand p {
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.site-footer .logo {
  color: #fff;
  -webkit-text-fill-color: initial;
  background: none;
}

.site-footer .logo span {
  color: var(--accent-light);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  color: rgba(255, 255, 255, 0.6);
  transition: color .2s ease;
}

.footer-col ul a:hover {
  color: var(--accent-light);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.contact-item i {
  width: 24px;
  color: var(--accent-light);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

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

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

  .topic-card {
    grid-template-columns: 1fr;
    padding: 40px;
  }

  .topic-card__image {
    max-width: 480px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

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

  .hero-live {
    max-width: 600px;
  }
}

@media (max-width: 768px) {
  .header-top .container {
    gap: 12px;
  }

  .search-box {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .header-cta {
    display: none;
  }

  .nav-main {
    display: none;
    border-top: none;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
  }

  .nav-main.open {
    display: block;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    z-index: 99;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    overflow-x: visible;
    gap: 4px;
  }

  .nav-links > a {
    padding: 13px 16px;
    border-radius: 10px;
  }

  .hot-tags {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--border);
    margin-top: 10px;
    padding-top: 12px;
    flex-wrap: wrap;
  }

  .category-hero {
    padding: 48px 0 40px;
  }

  .category-hero h1 {
    font-size: 32px;
  }

  .hero-meta {
    gap: 14px;
  }

  .section-head h2 {
    font-size: 24px;
  }

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

  .cta-card {
    padding: 40px 28px;
  }

  .cta-form {
    flex-direction: column;
    border-radius: 20px;
    gap: 10px;
    padding: 16px;
  }

  .cta-form .btn {
    width: 100%;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 15px;
  }

  .container {
    width: 94%;
  }

  .logo {
    font-size: 20px;
  }

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

  .nav-main.open {
    top: 58px;
  }

  .category-hero h1 {
    font-size: 26px;
  }

  .hero-meta__item strong {
    font-size: 16px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .section {
    padding: 44px 0;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .rank-item {
    flex-wrap: wrap;
    gap: 12px;
  }

  .rank-item__bar {
    width: 100%;
    margin-left: 54px;
  }

  .topic-card {
    padding: 28px 24px;
  }

  .topic-card__content h2 {
    font-size: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (min-width: 769px) and (max-width: 1200px) {
  .cards-grid {
    gap: 20px;
  }

  .guide-card__body {
    padding: 18px;
  }
}