/* roulang page: index */
:root {
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --primary-light: #ede9fe;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --space: 32px;
  --nav-h: 72px;
  --font: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
}

.header-inner {
  display: flex;
  align-items: center;
  height: var(--nav-h);
  gap: 24px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  flex-shrink: 0;
}

.nav-search {
  flex: 1;
  max-width: 480px;
}

.search-form {
  display: flex;
  align-items: center;
  background: #f1f5f9;
  border: 1px solid transparent;
  border-radius: 50px;
  padding: 8px 16px;
  transition: all 0.3s ease;
}

.search-form:focus-within {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(124,58,237,0.12);
}

.search-form i {
  color: var(--text-weak);
  margin-right: 10px;
  font-size: 0.9rem;
}

.search-form input {
  flex: 1;
  background: transparent;
  color: var(--text);
  font-size: 0.9rem;
  min-width: 0;
}

.search-form input::placeholder {
  color: var(--text-weak);
  opacity: 0.7;
}

.search-form button {
  background: var(--primary);
  color: #fff;
  border-radius: 50px;
  padding: 6px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s ease;
}

.search-form button:hover {
  background: var(--primary-dark);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-menu a {
  padding: 10px 16px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  transition: all 0.25s ease;
  white-space: nowrap;
}

.nav-menu a:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.nav-menu a.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
}

.nav-slogan {
  display: none;
  font-size: 0.85rem;
  color: var(--text-weak);
  white-space: nowrap;
  padding: 8px 16px;
  background: var(--primary-light);
  border-radius: 50px;
}

@media (min-width: 1024px) {
  .nav-slogan {
    display: flex;
    align-items: center;
    gap: 6px;
  }
}

/* ===== Hero ===== */
.hero {
  position: relative;
  background: linear-gradient(135deg, #1e1b4b 0%, #5b21b6 45%, #7c3aed 75%, #a855f7 100%);
  color: #fff;
  padding: 96px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  top: -60%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 60%);
  z-index: 1;
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.hero-tag i {
  color: var(--accent);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero h1 span {
  background: linear-gradient(120deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.125rem;
  opacity: 0.92;
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #1e1b4b;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(245,158,11,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(245,158,11,0.45);
  background: #fbbf24;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.5);
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.hero-stats .stat-item {
  text-align: center;
}

.hero-stats .stat-num {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
}

.hero-stats .stat-label {
  font-size: 0.85rem;
  opacity: 0.75;
  margin-top: 4px;
}

/* ===== Section ===== */
.section {
  padding: 80px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.section-title-group {
  max-width: 600px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
  letter-spacing: 0.04em;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.section-desc {
  color: var(--text-weak);
  margin-top: 10px;
  font-size: 1rem;
  line-height: 1.8;
}

.section-more {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease;
}

.section-more:hover {
  gap: 10px;
}

/* ===== Feature Cards ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
  border-color: transparent;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--primary-light);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.3rem;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-weak);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ===== Category Cards ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.category-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s ease;
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

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

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

.category-card:hover .category-card-cover img {
  transform: scale(1.05);
}

.category-card-body {
  padding: 24px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.category-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-card .badge {
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 50px;
  display: inline-block;
}

.category-card p {
  color: var(--text-weak);
  font-size: 0.92rem;
  line-height: 1.7;
  margin-bottom: 18px;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--text-weak);
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: auto;
}

.card-meta i {
  margin-right: 4px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.92rem;
  margin-top: 14px;
  transition: gap 0.3s ease;
}

.card-link:hover {
  gap: 10px;
}

/* ===== How It Works ===== */
.how-section {
  background: linear-gradient(180deg, #f8fafc 0%, var(--primary-light) 100%);
  position: relative;
  overflow: hidden;
}

.how-section::before {
  content: '';
  position: absolute;
  right: -80px;
  top: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(124,58,237,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 920px;
  margin: 0 auto;
}

.how-step {
  text-align: center;
  position: relative;
}

.how-step::after {
  content: '';
  position: absolute;
  top: 36px;
  right: -26px;
  width: 52px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.3;
}

.how-step:last-child::after {
  display: none;
}

.step-num {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  display: block;
  margin-bottom: 12px;
}

.how-step h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.how-step p {
  color: var(--text-weak);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 220px;
  margin: 0 auto;
}

/* ===== Data Numbers ===== */
.data-band {
  background: var(--text);
  color: #fff;
  padding: 56px 0;
  border-radius: var(--radius-lg);
  margin: 0 24px;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.data-grid .stat-num {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}

.data-grid .stat-label {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  margin-top: 6px;
}

/* ===== News / Articles ===== */
.news-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.news-tab {
  padding: 10px 22px;
  border-radius: 50px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.25s ease;
}

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

.news-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

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

.news-card-img {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  position: relative;
}

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

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

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

.news-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.news-card h3 {
  font-size: 1.02rem;
  line-height: 1.55;
  font-weight: 700;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card p {
  font-size: 0.88rem;
  color: var(--text-weak);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-weak);
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: auto;
}

/* ===== FAQ ===== */
.faq-grid {
  display: grid;
  gap: 16px;
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

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

.faq-question {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-question::after {
  content: '\f107';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--text-weak);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-question::after {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
  color: var(--text-weak);
  font-size: 0.92rem;
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  padding: 0 24px 22px;
  max-height: 300px;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 0 0 80px;
}

.cta-box {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, #9333ea 100%);
  border-radius: var(--radius-lg);
  padding: 56px 56px;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -100%;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.08) 50%, transparent 100%);
  transform: rotate(45deg);
  animation: shimmer 6s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { left: -100%; }
  60% { left: 100%; }
}

.cta-box h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-box p {
  opacity: 0.9;
  margin-bottom: 32px;
  font-size: 1.05rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--primary-dark);
  font-weight: 700;
  padding: 16px 40px;
  border-radius: 50px;
  font-size: 1.05rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(245,158,11,0.4);
}

.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(245,158,11,0.5);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--text);
  color: #94a3b8;
  padding: 56px 0 24px;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid #1e3a5f;
}

.footer-brand .logo {
  font-size: 1.35rem;
  margin-bottom: 16px;
  display: inline-block;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 260px;
}

.footer-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #e2e8f0;
  margin-bottom: 18px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  transition: color 0.25s ease;
}

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

.footer-contact p {
  font-size: 0.88rem;
  line-height: 1.9;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-contact i {
  min-width: 18px;
  color: var(--accent);
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 0.85rem;
  flex-wrap: wrap;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .logo {
    font-size: 1.1rem;
  }
}

@media (max-width: 768px) {
  .header-inner {
    gap: 12px;
    padding: 0 16px;
  }
  .nav-search {
    order: 3;
    width: 100%;
    max-width: none;
    margin-top: 4px;
  }
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 14px 16px;
    gap: 10px;
  }
  .site-header {
    height: auto;
    position: static;
  }
  .nav-menu {
    flex: 1;
    justify-content: flex-end;
  }
  .hero {
    padding: 64px 0 56px;
  }
  .hero-stats {
    gap: 24px;
    margin-top: 40px;
  }
  .how-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .how-step::after {
    display: none;
  }
  .cta-box {
    padding: 40px 24px;
    border-radius: var(--radius);
  }
  .section {
    padding: 56px 0;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 520px) {
  .feature-grid,
  .category-grid,
  .news-grid,
  .data-grid {
    grid-template-columns: 1fr;
  }
  .nav-menu {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2px;
  }
  .nav-menu a {
    padding: 8px 12px;
    font-size: 0.83rem;
  }
  .hero h1 {
    font-size: 1.65rem;
  }
  .hero p {
    font-size: 1rem;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    padding: 12px 24px;
    font-size: 0.92rem;
  }
  .hero-stats {
    width: 100%;
    justify-content: space-between;
  }
  .hero-stats .stat-num {
    font-size: 1.6rem;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .data-band {
    margin: 0;
    border-radius: var(--radius-sm);
    padding: 40px 20px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0f2b5b;
  --primary-light: #1a3d7a;
  --primary-dark: #081c3d;
  --accent: #d4a03c;
  --accent-light: #e8c066;
  --accent-dark: #b9862a;
  --bg: #f4f6fb;
  --bg-white: #ffffff;
  --bg-dark: #0b1e3f;
  --text: #17233d;
  --text-light: #5b6b85;
  --text-muted: #8a97ad;
  --border: #dfe4f0;
  --border-light: #eef1f8;
  --radius-lg: 20px;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow-sm: 0 2px 8px rgba(15, 43, 91, 0.06);
  --shadow: 0 10px 30px rgba(15, 43, 91, 0.08);
  --shadow-lg: 0 20px 45px rgba(15, 43, 91, 0.14);
  --transition: all 0.3s ease;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
button, input {
  font-family: inherit;
  font-size: inherit;
}
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-padding {
  padding: 80px 0;
}
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212, 160, 60, 0.12);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 30px;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-tag i {
  font-size: 12px;
}
.section-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 14px;
}
.section-desc {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== Header ===== */
.site-header {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(15, 43, 91, 0.04);
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 72px;
}
.logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 1px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo i {
  color: var(--accent);
  font-size: 28px;
}
.nav-search {
  flex: 1;
  max-width: 440px;
  position: relative;
}
.search-form {
  position: relative;
  display: flex;
  align-items: center;
}
.search-form i {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  font-size: 14px;
}
.search-form input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 40px 0 0 40px;
  background: var(--bg);
  padding: 0 16px 0 40px;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: var(--transition);
}
.search-form input:focus {
  border-color: var(--accent);
  background: var(--bg-white);
  box-shadow: 0 0 0 3px rgba(212, 160, 60, 0.15);
}
.search-form button {
  height: 40px;
  padding: 0 20px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 0 40px 40px 0;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.search-form button:hover {
  background: var(--primary-light);
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-menu a {
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  border-radius: 8px;
  position: relative;
}
.nav-menu a:hover {
  color: var(--primary);
  background: rgba(15, 43, 91, 0.05);
}
.nav-menu a.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}
.nav-slogan {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--primary);
  background: rgba(15, 43, 91, 0.05);
  padding: 6px 14px;
  border-radius: 30px;
  white-space: nowrap;
}
.nav-slogan i {
  color: var(--accent);
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: var(--bg-white);
  border-radius: 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  transition: var(--transition);
}
.nav-toggle:hover {
  background: var(--bg);
  border-color: var(--accent);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border-light);
  padding: 12px 0;
  font-size: 14px;
  color: var(--text-light);
}
.breadcrumb a {
  color: var(--primary);
}
.breadcrumb a:hover {
  color: var(--accent-dark);
}
.breadcrumb .separator {
  margin: 0 8px;
  color: var(--border);
}

/* ===== Hero ===== */
.login-hero {
  position: relative;
  padding: 90px 0 80px;
  background: linear-gradient(135deg, rgba(8, 28, 61, 0.92), rgba(15, 43, 91, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.login-hero::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -80px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: rgba(212, 160, 60, 0.15);
  filter: blur(80px);
  z-index: 1;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212, 160, 60, 0.2);
  border: 1px solid rgba(212, 160, 60, 0.35);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 20px;
}
.hero-badge i {
  font-size: 12px;
}
.login-hero h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.login-hero h1 span {
  color: var(--accent-light);
}
.hero-desc {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  max-width: 680px;
  margin-bottom: 32px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(212, 160, 60, 0.35);
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(212, 160, 60, 0.42);
  color: #fff;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  padding: 12px 28px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}
.hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-stat strong {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent-light);
}
.hero-stat span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}

/* ===== 登录方式卡片 ===== */
.methods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.method-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.method-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212, 160, 60, 0.4);
}
.method-cover {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.method-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.method-card:hover .method-cover img {
  transform: scale(1.05);
}
.method-cover::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40%;
  background: linear-gradient(to top, rgba(15, 43, 91, 0.4), transparent);
}
.method-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(15, 43, 91, 0.85);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 20px;
}
.method-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.method-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
  font-size: 18px;
  margin-bottom: 16px;
}
.method-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.method-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 16px;
}
.method-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}
.method-link i {
  font-size: 13px;
  transition: var(--transition);
}
.method-link:hover {
  color: var(--accent-dark);
}
.method-link:hover i {
  transform: translateX(4px);
}

/* ===== 登录流程 ===== */
.process-section {
  background: var(--bg-white);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process-step {
  position: relative;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.process-step:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.step-num {
  width: 52px;
  height: 52px;
  margin: 0 auto 18px;
  background: var(--primary);
  color: var(--accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  position: relative;
  box-shadow: 0 6px 16px rgba(15, 43, 91, 0.2);
}
.step-num::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px dashed rgba(212, 160, 60, 0.35);
}
.process-step h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.process-step p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.7;
}
.step-arrow {
  position: absolute;
  top: 50%;
  right: -18px;
  width: 36px;
  height: 36px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 13px;
  z-index: 2;
  transform: translateY(-50%);
  box-shadow: var(--shadow-sm);
}

/* ===== 问题排查 ===== */
.troubleshoot-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.troubleshoot-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.troubleshoot-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.troubleshoot-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 30%;
  background: linear-gradient(to top, rgba(15, 43, 91, 0.35), transparent);
}
.troubleshoot-image .img-caption {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 2;
  color: #fff;
  font-size: 13px;
  background: rgba(15, 43, 91, 0.7);
  padding: 5px 14px;
  border-radius: 20px;
}
.trouble-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.trouble-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 20px 24px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.trouble-item:hover {
  box-shadow: var(--shadow);
  transform: translateX(6px);
}
.trouble-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.trouble-item h3 i {
  color: var(--accent);
  font-size: 15px;
}
.trouble-item p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== 安全提示 ===== */
.security-section {
  background: var(--bg-dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.security-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: 0.12;
}
.security-inner {
  position: relative;
  z-index: 2;
}
.security-inner .section-tag {
  background: rgba(212, 160, 60, 0.2);
  color: var(--accent-light);
}
.security-inner .section-title {
  color: #fff;
}
.security-inner .section-desc {
  color: rgba(255, 255, 255, 0.75);
}
.security-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.security-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(6px);
}
.security-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(212, 160, 60, 0.4);
  transform: translateY(-6px);
}
.security-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary-dark);
}
.security-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.security-card p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}
.faq-q {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-white);
  transition: var(--transition);
  width: 100%;
  text-align: left;
  border: none;
}
.faq-q i {
  color: var(--accent);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.open .faq-q i {
  transform: rotate(180deg);
}
.faq-item.open .faq-q {
  color: var(--primary);
}
.faq-a {
  display: none;
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}
.faq-item.open .faq-a {
  display: block;
}

/* ===== 推荐内容 ===== */
.recommend-section {
  background: var(--bg-white);
  border-top: 1px solid var(--border-light);
}
.recommend-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rec-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-light);
  background: var(--bg);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.rec-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212, 160, 60, 0.35);
}
.rec-cover {
  height: 170px;
  overflow: hidden;
  position: relative;
}
.rec-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.rec-card:hover .rec-cover img {
  transform: scale(1.06);
}
.rec-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 43, 91, 0.85);
  color: #fff;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  z-index: 2;
}
.rec-body {
  padding: 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.rec-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.5;
}
.rec-body p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 12px;
}
.rec-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-muted);
}
.rec-meta i {
  font-size: 11px;
  margin-right: 4px;
  color: var(--accent);
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 70px 0;
  background: linear-gradient(120deg, var(--primary), var(--primary-dark)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  background-blend-mode: overlay;
  text-align: center;
  color: #fff;
}
.cta-inner {
  max-width: 700px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
  line-height: 1.8;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 30px;
  border-radius: 30px;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(212, 160, 60, 0.35);
}
.cta-btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  color: #fff;
}
.cta-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  padding: 12px 30px;
  border-radius: 30px;
  transition: var(--transition);
}
.cta-btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
}
.footer-title {
  font-size: 16px;
  color: #fff;
  font-weight: 600;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}
.footer-contact p {
  font-size: 14px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.6);
}
.footer-contact i {
  color: var(--accent);
  width: 16px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 24px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 20px;
  }
  .nav-search {
    order: 3;
    max-width: 100%;
    width: 100%;
    flex-basis: 100%;
  }
  .nav-menu {
    margin-left: 0;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .nav-menu::-webkit-scrollbar {
    display: none;
  }
  .nav-slogan {
    display: none;
  }
  .methods-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .step-arrow {
    display: none;
  }
  .security-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .troubleshoot-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .recommend-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
  .section-title {
    font-size: 28px;
  }
  .login-hero {
    padding: 60px 0;
  }
  .login-hero h1 {
    font-size: 32px;
  }
  .hero-desc {
    font-size: 16px;
  }
  .hero-stats {
    gap: 20px;
  }
  .hero-stat strong {
    font-size: 22px;
  }
  .methods-grid {
    grid-template-columns: 1fr;
  }
  .process-steps {
    grid-template-columns: 1fr;
  }
  .security-grid {
    grid-template-columns: 1fr;
  }
  .recommend-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    flex-basis: 100%;
    gap: 4px;
    padding: 12px 0;
    border-top: 1px solid var(--border-light);
    order: 4;
  }
  .nav-menu.show {
    display: flex;
  }
  .nav-menu a {
    display: block;
    padding: 12px 16px;
    width: 100%;
  }
  .nav-menu a.active::after {
    display: none;
  }
  .nav-menu a.active {
    background: rgba(15, 43, 91, 0.06);
  }
  .header-inner {
    min-height: 64px;
  }
  .header-inner .logo {
    font-size: 20px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .header-inner {
    padding: 10px 16px;
  }
  .troubleshoot-image img {
    height: 260px;
  }
  .blog-hero h1 {
    font-size: 24px;
  }
  .section-tag {
    font-size: 12px;
    padding: 4px 12px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .btn-primary, .btn-outline {
    width: 100%;
    justify-content: center;
  }
}

/* ===== 页面额外组件 ===== */
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 12px;
}
.article-meta i {
  color: var(--accent);
  margin-right: 4px;
}
.rate-card {
  background: linear-gradient(135deg, rgba(212, 160, 60, 0.08), rgba(212, 160, 60, 0.04));
  border: 1px solid rgba(212, 160, 60, 0.2);
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 20px;
}
.rate-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.rate-card p {
  font-size: 14px;
  color: var(--text-light);
}

/* roulang page: article */
:root {
    --primary: #1e40af;
    --primary-light: #3b82f6;
    --primary-dark: #1e3a8a;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --bg: #f8fafc;
    --bg-white: #ffffff;
    --bg-dark: #0f172a;
    --text: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --text-white: #ffffff;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --radius: 16px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.10);
    --header-h: 78px;
    --max-width: 1240px;
    --transition: all .25s ease;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    display: block;
    border: none;
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
    background: none;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(15, 23, 42, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 22px;
}

.logo {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--text-white);
    text-decoration: none;
    white-space: nowrap;
    letter-spacing: 0.5px;
    line-height: 1.2;
    flex-shrink: 0;
}

.nav-search {
    flex: 1;
    max-width: 440px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 40px;
    padding: 5px 5px 5px 16px;
    transition: var(--transition);
}

.search-form:focus-within {
    background: rgba(255, 255, 255, 0.16);
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.15);
}

.search-form i {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.search-form input {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    padding: 6px 12px;
    font-size: 0.9rem;
}

.search-form input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.search-form button {
    background: var(--accent);
    border: none;
    color: #1e293b;
    font-weight: 700;
    border-radius: 32px;
    padding: 7px 16px;
    font-size: 0.83rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.search-form button:hover {
    background: var(--accent-light);
    transform: scale(1.02);
}

.nav-menu {
    display: flex;
    gap: 4px;
    align-items: center;
    flex-shrink: 0;
}

.nav-menu a {
    color: rgba(255, 255, 255, 0.68);
    text-decoration: none;
    font-size: 0.92rem;
    padding: 8px 14px;
    border-radius: 40px;
    transition: var(--transition);
    white-space: nowrap;
    font-weight: 500;
}

.nav-menu a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.nav-menu a.active {
    color: #fff;
    background: rgba(245, 158, 11, 0.16);
    font-weight: 600;
}

.nav-slogan {
    display: flex;
    align-items: center;
    gap: 7px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.83rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-slogan i {
    color: var(--accent);
}

/* 通用按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 40px;
    font-size: 0.94rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
    border: 1px solid transparent;
}

.btn i {
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.25);
}

.btn-accent {
    background: var(--accent);
    color: #1e293b;
}

.btn-accent:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.25);
}

.btn-outline-light {
    border-color: rgba(255,255,255,0.4);
    color: #fff;
    background: transparent;
}

.btn-outline-light:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.08);
    transform: translateY(-2px);
}

/* 徽章 */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 13px;
    border-radius: 40px;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.3;
}

.badge-accent {
    background: var(--accent);
    color: #1e293b;
}

.badge-hot {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.25);
}

.badge-hot i {
    color: #f87171;
}

/* 面包屑 */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.87rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 22px;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

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

.breadcrumb i {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.35);
}

.breadcrumb span {
    color: rgba(255, 255, 255, 0.9);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 340px;
}

/* 文章Hero */
.article-hero {
    position: relative;
    padding: 120px 0 110px;
    background-size: cover;
    background-position: center;
    color: #fff;
    overflow: hidden;
}

.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15,23,42,0.82) 0%, rgba(15,23,42,0.70) 40%, rgba(15,23,42,0.88) 100%);
    z-index: 1;
}

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

.article-hero .badge-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.article-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.25;
    max-width: 820px;
    margin: 0 0 18px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
    letter-spacing: 0.02em;
}

.article-sub-info {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.7);
}

.article-sub-info span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.article-sub-info i {
    color: var(--accent);
}

/* 文章主体区域 */
.article-container {
    margin-top: -50px;
    position: relative;
    z-index: 3;
    padding-bottom: 20px;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 350px;
    gap: 32px;
    align-items: start;
}

.article-main {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
}

.article-body {
    padding: 44px 48px;
}

.article-content {
    font-size: 1.02rem;
    line-height: 1.9;
    color: var(--text);
    word-wrap: break-word;
}

.article-content h2 {
    font-size: 1.45rem;
    font-weight: 700;
    margin: 34px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--accent);
    line-height: 1.4;
}

.article-content h3 {
    font-size: 1.22rem;
    font-weight: 700;
    margin: 28px 0 12px;
    line-height: 1.4;
}

.article-content h4 {
    font-size: 1.08rem;
    font-weight: 700;
    margin: 22px 0 10px;
}

.article-content p {
    margin-bottom: 18px;
    color: #334155;
}

.article-content a {
    color: var(--primary-light);
    text-decoration: underline;
    transition: var(--transition);
}

.article-content a:hover {
    color: var(--primary);
}

.article-content blockquote {
    margin: 24px 0;
    padding: 18px 24px;
    background: var(--border-light);
    border-left: 4px solid var(--accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-light);
    font-style: italic;
}

.article-content ul,
.article-content ol {
    margin: 16px 0 20px 22px;
    line-height: 1.9;
}

.article-content li {
    margin-bottom: 8px;
    color: #475569;
}

.article-content img {
    border-radius: var(--radius);
    margin: 22px 0;
    box-shadow: var(--shadow-sm);
}

.article-content pre {
    background: var(--bg-dark);
    color: #e2e8f0;
    padding: 20px 24px;
    border-radius: var(--radius);
    overflow-x: auto;
    margin: 22px 0;
    font-size: 0.88rem;
    line-height: 1.7;
}

.article-content code {
    font-family: "JetBrains Mono", Consolas, Monaco, monospace;
    background: rgba(30, 64, 175, 0.08);
    color: var(--primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.article-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 22px 0;
    font-size: 0.92rem;
}

.article-content table th,
.article-content table td {
    padding: 12px 16px;
    border: 1px solid var(--border);
    text-align: left;
}

.article-content table th {
    background: var(--border-light);
    font-weight: 600;
}

.article-content table tr:nth-child(even) {
    background: #fafbfc;
}

/* 文章标签 */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 40px;
    font-size: 0.82rem;
    color: var(--text-light);
    transition: var(--transition);
}

.tag-chip i {
    color: var(--accent);
    font-size: 0.75rem;
}

.tag-chip:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.tag-chip:hover i {
    color: #fff;
}

/* 分享栏 */
.article-share {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 28px;
    margin-top: 34px;
    border-top: 1px solid var(--border);
}

.share-label {
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--text-light);
    margin-right: 6px;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border-radius: 40px;
    border: 1px solid var(--border);
    background: var(--bg-white);
    color: var(--text);
    font-size: 0.82rem;
    cursor: pointer;
    transition: var(--transition);
}

.share-btn i {
    font-size: 0.85rem;
}

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

/* 侧边栏 */
.sidebar {
    display: grid;
    gap: 24px;
    align-content: start;
    position: sticky;
    top: calc(var(--header-h) + 24px);
}

.sidebar-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 26px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.sidebar-card-title {
    font-size: 1.02rem;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-card-title i {
    color: var(--accent);
}

.sidebar-info-list {
    list-style: none;
    display: grid;
    gap: 12px;
}

.sidebar-info-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.88rem;
    color: var(--text-light);
}

.sidebar-info-list li i {
    color: var(--primary-light);
    margin-top: 4px;
    width: 14px;
    flex-shrink: 0;
}

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

.sidebar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.sidebar-tags a {
    font-size: 0.78rem;
    padding: 5px 12px;
    border-radius: 30px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-light);
    transition: var(--transition);
}

.sidebar-tags a:hover {
    background: var(--accent);
    color: #1e293b;
    border-color: var(--accent);
}

.sidebar-stories {
    display: grid;
    gap: 14px;
}

.sidebar-story {
    display: flex;
    gap: 12px;
    align-items: center;
    transition: var(--transition);
}

.sidebar-story:hover .sidebar-story-title {
    color: var(--primary);
}

.sidebar-story-num {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--border);
    line-height: 1;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
    font-style: italic;
}

.sidebar-story:first-child .sidebar-story-num {
    color: var(--accent);
}

.sidebar-story:nth-child(2) .sidebar-story-num {
    color: var(--primary-light);
}

.sidebar-story:nth-child(3) .sidebar-story-num {
    color: #f87171;
}

.sidebar-story-title {
    font-size: 0.87rem;
    line-height: 1.5;
    color: var(--text);
    transition: var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 推荐阅读 */
.related-section {
    padding: 80px 0 0;
}

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 32px;
}

.section-title {
    font-size: 1.65rem;
    font-weight: 800;
    line-height: 1.3;
}

.section-title span {
    color: var(--primary);
}

.section-subtitle {
    color: var(--text-light);
    font-size: 0.92rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.related-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.related-cover {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--border-light);
}

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

.related-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(15,23,42,0.30) 100%);
    opacity: 0;
    transition: var(--transition);
}

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

.related-card:hover .related-cover::after {
    opacity: 1;
}

.related-cover-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
}

.related-info {
    padding: 22px 22px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.related-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.related-meta i {
    color: var(--accent);
    margin-right: 3px;
}

.related-title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--text);
    transition: var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card:hover .related-title {
    color: var(--primary);
}

.related-desc {
    font-size: 0.86rem;
    color: var(--text-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}

.related-more {
    margin-top: auto;
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.related-more i {
    transition: transform .25s ease;
}

.related-card:hover .related-more i {
    transform: translateX(4px);
}

/* FAQ */
.faq-section {
    padding: 80px 0 0;
}

.faq-list {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item[open] {
    box-shadow: var(--shadow);
    border-color: rgba(59, 130, 246, 0.3);
}

.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 18px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.96rem;
    color: var(--text);
    list-style: none;
    transition: var(--transition);
}

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

.faq-item summary i {
    color: var(--accent);
    transition: transform .3s ease;
    font-size: 0.85rem;
    flex-shrink: 0;
}

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

.faq-item[open] summary {
    color: var(--primary);
}

.faq-answer {
    padding: 0 24px 20px;
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.8;
    border-top: 1px solid var(--border-light);
    margin-top: 0;
}

.faq-answer p {
    margin-top: 14px;
}

.faq-answer a {
    color: var(--primary-light);
}

.faq-answer a:hover {
    color: var(--primary);
    text-decoration: underline;
}

/* CTA */
.cta-section {
    padding: 80px 0 20px;
}

.cta-box {
    background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 60%, #1e293b 100%);
    border-radius: var(--radius-lg);
    padding: 56px 48px;
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245,158,11,0.18) 0%, transparent 70%);
    top: -120px;
    right: -80px;
}

.cta-box::after {
    content: '';
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59,130,246,0.20) 0%, transparent 70%);
    bottom: -100px;
    left: -60px;
}

.cta-box .container-inner {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 14px;
    letter-spacing: 0.02em;
}

.cta-desc {
    font-size: 1rem;
    color: rgba(255,255,255,0.7);
    max-width: 560px;
    margin: 0 auto 30px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
}

/* 内容未找到 */
.not-found {
    padding: 160px 24px;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg) 100%);
}

.not-found-box {
    max-width: 500px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 48px 44px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    text-align: center;
}

.not-found-icon {
    width: 74px;
    height: 74px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    font-size: 1.8rem;
    color: var(--accent);
}

.not-found h2 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--text);
}

.not-found p {
    color: var(--text-light);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

/* Footer */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.65);
    margin-top: 80px;
    border-top: 3px solid rgba(245,158,11,0.3);
    font-size: 0.9rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 40px;
    padding: 60px 0 40px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand .logo {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 14px;
    display: inline-block;
}

.footer-brand p {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.8;
    max-width: 300px;
}

.footer-title {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
    font-weight: 600;
}

.footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 26px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    font-size: 0.88rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: 12px;
}

.footer-contact i {
    color: var(--accent);
    width: 16px;
    text-align: center;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    padding: 20px 0;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
}

.footer-bottom a {
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: var(--accent);
}

/* 响应式 */
@media (max-width: 1100px) {
    .article-layout {
        grid-template-columns: 1fr;
    }
    .sidebar {
        position: static;
        grid-template-columns: repeat(3, 1fr);
        align-items: start;
    }
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 900px) {
    .nav-slogan {
        display: none;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-hero h1 {
        font-size: 2.1rem;
    }
    .article-body {
        padding: 32px;
    }
}

@media (max-width: 767px) {
    .site-header {
        height: auto;
        position: relative;
        background: rgba(15,23,42,0.96);
    }
    .header-inner {
        flex-wrap: wrap;
        gap: 10px;
        padding: 14px 20px;
    }
    .nav-search {
        order: 3;
        width: 100%;
        max-width: none;
        flex: none;
    }
    .nav-menu {
        order: 2;
        flex: 1;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
        padding-bottom: 2px;
    }
    .nav-menu::-webkit-scrollbar {
        display: none;
    }
    .nav-menu a {
        flex-shrink: 0;
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    .article-hero {
        padding: 48px 0 70px;
    }
    .article-hero h1 {
        font-size: 1.7rem;
    }
    .article-container {
        margin-top: 0;
    }
    .article-body {
        padding: 24px 20px;
    }
    .article-content {
        font-size: 0.98rem;
    }
    .sidebar {
        grid-template-columns: 1fr;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .cta-box {
        padding: 36px 24px;
    }
    .cta-title {
        font-size: 1.4rem;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 40px 0 30px;
    }
    .footer-brand p {
        max-width: 100%;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .breadcrumb span {
        max-width: 200px;
    }
}

@media (max-width: 520px) {
    .article-hero h1 {
        font-size: 1.5rem;
    }
    .article-sub-info {
        gap: 12px;
        font-size: 0.82rem;
    }
    .badge {
        font-size: 0.75rem;
        padding: 4px 10px;
    }
    .section-title {
        font-size: 1.35rem;
    }
    .cta-buttons .btn {
        width: 100%;
    }
    .sidebar-card {
        padding: 20px;
    }
    .article-share {
        gap: 8px;
    }
    .share-btn {
        flex: 1;
        justify-content: center;
        padding: 9px 12px;
    }
    .not-found-box {
        padding: 36px 24px;
    }
}

/* roulang page: category2 */
/* ===== 设计变量 ===== */
:root {
  --primary: #142c4a;
  --primary-light: #1e4470;
  --primary-dark: #0c1b2e;
  --accent: #ebaa3e;
  --accent-dark: #d8962b;
  --accent-light: #fdf0dc;
  --bg: #f6f7fb;
  --bg-white: #ffffff;
  --bg-dark: #0f2439;
  --text: #1c2238;
  --text-body: #3d4561;
  --text-light: #67718b;
  --text-muted: #9aa3ba;
  --border: #e6e8f0;
  --border-dark: #d0d5e3;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-full: 999px;
  --sh-sm: 0 2px 10px rgba(20, 44, 74, 0.05);
  --sh-md: 0 8px 30px rgba(20, 44, 74, 0.08);
  --sh-lg: 0 16px 44px rgba(20, 44, 74, 0.12);
  --sp-sm: 0.75rem;
  --sp-md: 1.5rem;
  --sp-lg: 3rem;
  --sp-xl: 5rem;
  --transition: 0.3s ease;
}

/* ===== Reset / 基础 ===== */
*, *::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;
  background: var(--bg);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
ul, ol { list-style: none; }

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header / 导航 ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--sh-sm);
}
.header-inner {
  max-width: 1420px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 22px;
}
.logo {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, var(--accent) 110%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-search { flex: 1; max-width: 420px; }
.search-form {
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  padding: 4px 6px 4px 16px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-form:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(235, 170, 62, 0.15);
  background: #fff;
}
.search-form i { color: var(--text-muted); font-size: 0.9rem; margin-right: 10px; }
.search-form input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.9rem;
  color: var(--text);
  padding: 8px 0;
}
.search-form input::placeholder { color: var(--text-muted); }
.search-form button {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--r-full);
  padding: 8px 22px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--transition);
}
.search-form button:hover { background: var(--primary-light); }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.nav-menu a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-body);
  padding: 8px 14px;
  border-radius: var(--r-full);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-menu a:hover { color: var(--primary); background: rgba(20, 44, 74, 0.05); }
.nav-menu a.active { background: var(--accent-light); color: var(--accent-dark); font-weight: 700; }
.nav-slogan {
  font-size: 0.82rem;
  color: var(--text-light);
  border-left: 1px solid var(--border);
  padding-left: 18px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-slogan i { color: var(--accent); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  width: 42px;
  height: 42px;
  font-size: 1.1rem;
  color: var(--primary);
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.nav-toggle:hover { background: var(--bg); border-color: var(--accent); }

/* ===== 页面 Hero ===== */
.category-hero {
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 100px 0 90px;
  color: #fff;
  text-align: center;
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 27, 46, 0.82) 0%, rgba(15, 36, 57, 0.72) 50%, rgba(12, 27, 46, 0.85) 100%);
}
.category-hero .container { position: relative; z-index: 2; }
.hero-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 22px;
}
.hero-breadcrumb a { color: rgba(255,255,255,0.7); transition: color var(--transition); }
.hero-breadcrumb a:hover { color: var(--accent); }
.hero-breadcrumb i { font-size: 0.7rem; }
.category-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 18px;
  text-shadow: 0 2px 16px rgba(0,0,0,0.3);
}
.category-hero h1 span { color: var(--accent); }
.category-hero .hero-desc {
  max-width: 720px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
}
.hero-search {
  max-width: 520px;
  margin: 0 auto;
  background: #fff;
  border: none;
  border-radius: var(--r-full);
  box-shadow: var(--sh-lg);
}
.hero-search input { color: var(--text); }
.hero-search button { background: var(--accent); color: var(--primary-dark); }
.hero-search button:hover { background: var(--accent-dark); }
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 26px;
}
.hero-tags .tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--r-full);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.9);
  backdrop-filter: blur(4px);
  transition: all var(--transition);
}
.hero-tags .tag:hover { background: rgba(235, 170, 62, 0.25); border-color: var(--accent); color: #fff; }

/* ===== 通用板块 ===== */
.section { padding: var(--sp-xl) 0; }
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-header .section-eyebrow {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: var(--r-full);
  margin-bottom: 14px;
}
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 14px;
}
.section-header p { color: var(--text-light); font-size: 0.98rem; line-height: 1.7; }

/* ===== 统计卡 ===== */
.stats-section {
  padding: 0 0 var(--sp-xl);
  margin-top: -52px;
  position: relative;
  z-index: 3;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-card {
  background: #fff;
  border-radius: var(--r-lg);
  padding: 30px 20px;
  text-align: center;
  box-shadow: var(--sh-md);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); }
.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  background: var(--accent-light);
  color: var(--accent-dark);
  margin-bottom: 14px;
}
.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
}
.stat-label { font-size: 0.88rem; color: var(--text-light); margin-top: 6px; }

/* ===== 玩法分类卡片 ===== */
.category-grid-section { background: var(--bg-white); }
.category-grid-section .section { padding-top: 0; }
.category-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.game-card {
  background: #fff;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--sh-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.game-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-lg);
}
.game-card-media {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}
.game-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.game-card:hover .game-card-media img { transform: scale(1.04); }
.game-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(12, 27, 46, 0.45) 100%);
}
.game-card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(255,255,255,0.92);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--r-full);
  backdrop-filter: blur(4px);
}
.game-card-body { padding: 24px; }
.game-card-body h3 { font-size: 1.2rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.game-card-body p { font-size: 0.9rem; color: var(--text-light); line-height: 1.65; margin-bottom: 16px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.card-tags .tag {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--text-light);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 3px 12px;
  border-radius: var(--r-full);
  transition: all var(--transition);
}
.card-tags .tag:hover { background: var(--accent-light); color: var(--accent-dark); border-color: var(--accent); }

/* ===== 热门排行 ===== */
.rank-section { background: var(--primary); position: relative; overflow: hidden; }
.rank-section::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: rgba(235, 170, 62, 0.08);
}
.rank-section .section-header h2 { color: #fff; }
.rank-section .section-header p { color: rgba(255,255,255,0.7); }
.rank-section .section-eyebrow { background: rgba(235, 170, 62, 0.18); color: var(--accent); }
.rank-list {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.rank-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--r-md);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  transition: all var(--transition);
  backdrop-filter: blur(6px);
}
.rank-item:hover { background: rgba(255,255,255,0.1); border-color: var(--accent); transform: translateX(4px); }
.rank-num {
  font-size: 1.4rem;
  font-weight: 800;
  color: rgba(255,255,255,0.35);
  width: 48px;
  text-align: center;
  flex-shrink: 0;
  font-style: italic;
}
.rank-item:nth-child(1) .rank-num { color: var(--accent); }
.rank-item:nth-child(2) .rank-num { color: #d9d9d9; }
.rank-item:nth-child(3) .rank-num { color: #c9a37a; }
.rank-info { flex: 1; min-width: 0; }
.rank-info h3 { font-size: 1.06rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.rank-info p { font-size: 0.85rem; color: rgba(255,255,255,0.65); line-height: 1.6; }
.rank-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.rank-heat {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 700;
}
.rank-heat i { font-size: 0.8rem; }
.rank-go {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: all var(--transition);
}
.rank-item:hover .rank-go { background: var(--accent); color: var(--primary-dark); }

/* ===== 进阶指南 ===== */
.guide-section { background: var(--bg); }
.guide-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.guide-card {
  background: #fff;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--sh-sm);
  transition: box-shadow var(--transition);
}
.guide-card:hover { box-shadow: var(--sh-md); }
.guide-card-media {
  aspect-ratio: 16/8;
  overflow: hidden;
  position: relative;
}
.guide-card-media img { width: 100%; height: 100%; object-fit: cover; }
.guide-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(12,27,46,0.35) 100%);
}
.guide-card-body { padding: 28px; }
.guide-card-body .guide-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-dark);
  background: var(--accent-light);
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--r-full);
  margin-bottom: 12px;
}
.guide-card-body h3 { font-size: 1.3rem; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.guide-card-body p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 18px; line-height: 1.7; }
.guide-list { display: flex; flex-direction: column; gap: 10px; }
.guide-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-body);
}
.guide-list li i { color: var(--accent); margin-top: 4px; font-size: 0.8rem; }

/* ===== 流程步骤 ===== */
.process-section { background: var(--bg-white); position: relative; }
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  counter-reset: step;
}
.process-step {
  background: var(--bg);
  border-radius: var(--r-lg);
  padding: 32px 24px;
  text-align: center;
  border: 1px solid var(--border);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.process-step:hover { transform: translateY(-4px); box-shadow: var(--sh-md); }
.process-step .step-icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 1.3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 6px 16px rgba(20, 44, 74, 0.25);
}
.process-step h3 { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.process-step p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }
.process-step .step-num {
  position: absolute;
  top: 14px;
  right: 18px;
  font-size: 2.6rem;
  font-weight: 800;
  color: rgba(20, 44, 74, 0.08);
  line-height: 1;
}

/* ===== FAQ ===== */
.faq-section { background: var(--bg); }
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item.active { border-color: var(--accent); box-shadow: var(--sh-sm); }
.faq-q {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  transition: color var(--transition);
}
.faq-q:hover { color: var(--primary); }
.faq-q .faq-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-light);
  flex-shrink: 0;
  transition: all var(--transition);
}
.faq-item.active .faq-icon { background: var(--accent); color: var(--primary-dark); transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}
.faq-item.active .faq-a {
  max-height: 320px;
  padding: 0 24px 20px;
}
.faq-a p { font-size: 0.9rem; color: var(--text-light); line-height: 1.75; }

/* ===== CTA ===== */
.cta-section {
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 80px 0;
  text-align: center;
  color: #fff;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(12,27,46,0.88), rgba(20,44,74,0.75));
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 1rem; opacity: 0.85; max-width: 560px; margin: 0 auto 32px; line-height: 1.8; }
.cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  border-radius: var(--r-full);
  font-size: 0.95rem;
  font-weight: 700;
  border: none;
  transition: all var(--transition);
}
.btn-primary { background: var(--accent); color: var(--primary-dark); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(235, 170, 62, 0.3); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.6); }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); transform: translateY(-2px); }

/* ===== Footer ===== */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 60px 0 0; }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 46px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { font-size: 1.5rem; color: #fff; -webkit-text-fill-color: #fff; display: inline-block; margin-bottom: 14px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.75; color: rgba(255,255,255,0.55); max-width: 340px; }
.footer-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 8px;
}
.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.88rem; color: rgba(255,255,255,0.55); transition: all var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--accent); transform: translateX(3px); }
.footer-contact p { font-size: 0.85rem; color: rgba(255,255,255,0.55); display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.footer-contact i { color: var(--accent); width: 16px; text-align: center; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.38);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .header-inner { flex-wrap: wrap; gap: 10px; padding: 12px 18px; }
  .nav-search { order: 3; flex-basis: 100%; max-width: none; }
  .nav-search .search-form { max-width: 100%; }
  .nav-menu { margin-left: auto; }
  .nav-slogan { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .category-cards { grid-template-columns: repeat(2, 1fr); }
  .guide-cards { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; position: relative; }
  .logo { font-size: 1.25rem; }
  .nav-toggle { display: inline-flex; margin-left: auto; order: 2; }
  .nav-search { order: 3; }
  .nav-menu {
    order: 4;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: #fff;
    border-radius: var(--r-md);
    border: 1px solid var(--border);
    padding: 10px;
    display: none;
    box-shadow: var(--sh-md);
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 10px 14px; border-radius: var(--r-sm); }
  .nav-slogan { display: none; }
  .category-hero { padding: 70px 0; }
  .hero-tags { gap: 6px; }
  .section { padding: 3rem 0; }
  .stats-grid { gap: 14px; }
  .stat-card { padding: 20px 14px; }
  .stat-num { font-size: 1.5rem; }
  .category-cards { grid-template-columns: 1fr; gap: 18px; }
  .rank-item { flex-wrap: wrap; padding: 16px; }
  .rank-meta { width: 100%; justify-content: flex-end; }
  .rank-num { font-size: 1.2rem; width: 36px; }
  .process-steps { grid-template-columns: 1fr; }
  .cta-section { padding: 60px 0; }
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { justify-content: center; text-align: center; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-inner { padding: 10px 14px; }
  .search-form button { padding: 8px 16px; }
  .hero-tags .tag { font-size: 0.74rem; padding: 4px 10px; }
  .category-hero h1 { font-size: 1.6rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .rank-item { flex-direction: column; align-items: flex-start; }
  .rank-meta { justify-content: flex-start; }
  .btn { width: 100%; justify-content: center; }
}

/* roulang page: category3 */
:root {
            --primary: #1a6bff;
            --primary-dark: #0e4fbf;
            --primary-light: #e8f0ff;
            --accent: #ff6b35;
            --accent-light: #fff0ea;
            --bg: #f5f7fa;
            --bg-white: #ffffff;
            --bg-dark: #0f1e2e;
            --text-main: #1a2430;
            --text-body: #4a5568;
            --text-muted: #8896a8;
            --border: #e3e8ef;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.12);
            --spacing-section: 80px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            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;
            transition: var(--transition);
        }

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

        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }

        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 32px;
            padding: 10px 24px;
            flex-wrap: wrap;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .logo::before {
            content: "";
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), #4f9bff);
            display: inline-block;
            flex-shrink: 0;
        }

        .nav-search {
            flex: 1;
            max-width: 420px;
        }

        .search-form {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1.5px solid var(--border);
            border-radius: 50px;
            padding: 6px 8px 6px 16px;
            gap: 8px;
            transition: var(--transition);
        }

        .search-form:focus-within {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(26, 107, 255, 0.1);
        }

        .search-form i {
            color: var(--text-muted);
            font-size: 14px;
        }

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

        .search-form input::placeholder {
            color: var(--text-muted);
        }

        .search-form button {
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
        }

        .search-form button:hover {
            background: var(--primary-dark);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-menu a {
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-menu a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .nav-menu a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .nav-slogan {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .nav-slogan i {
            color: var(--accent);
        }

        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, #0b1a2e 0%, #132b45 50%, #1a3a5c 100%);
            padding: 90px 0 100px;
            overflow: hidden;
            isolation: isolate;
        }

        .hero-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: -1;
        }

        .hero-banner::after {
            content: "";
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 107, 255, 0.25), transparent 70%);
            z-index: -1;
        }

        .hero-inner {
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .hero-content .tagline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(26, 107, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #dbeafe;
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 50px;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .hero-content h1 {
            font-size: 40px;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 800;
        }

        .hero-content h1 span {
            color: #5eaffe;
        }

        .hero-content p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 18px rgba(26, 107, 255, 0.35);
        }

        .btn-primary:hover {
            background: #3579ff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(26, 107, 255, 0.45);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            padding: 12px 26px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
        }

        .stat-card .num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
        }

        .stat-card .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        .section {
            padding: var(--spacing-section) 0;
        }

        .section-alt {
            background: var(--bg-white);
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            gap: 24px;
            flex-wrap: wrap;
        }

        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
        }

        .section-head .sub {
            color: var(--text-muted);
            font-size: 14px;
            margin-top: 8px;
        }

        .section-link {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            border-radius: 50px;
            padding: 8px 18px;
            background: var(--primary-light);
            transition: var(--transition);
        }

        .section-link:hover {
            background: var(--primary);
            color: #fff;
            gap: 8px;
        }

        .news-filter {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .filter-btn {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            border: 1.5px solid var(--border);
            color: var(--text-body);
            transition: var(--transition);
            background: #fff;
        }

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

        .filter-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .news-card-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

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

        .news-card:hover .news-card-cover img {
            transform: scale(1.05);
        }

        .news-card-cover .tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .news-card-cover .date-badge {
            position: absolute;
            bottom: 14px;
            right: 14px;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 50px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .news-card-body {
            padding: 20px;
        }

        .news-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .news-card-body p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }

        .news-card-footer .meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .read-more {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .read-more:hover {
            gap: 8px;
        }

        .hot-section {
            background: var(--bg-dark);
            padding: var(--spacing-section) 0;
            position: relative;
            overflow: hidden;
        }

        .hot-section::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(26, 107, 255, 0.15), transparent 70%);
        }

        .hot-section .section-head h2 {
            color: #fff;
        }

        .hot-section .section-head .sub {
            color: rgba(255, 255, 255, 0.5);
        }

        .hot-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
            align-items: stretch;
        }

        .ranking-list {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(8px);
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .ranking-item:last-child {
            border-bottom: none;
        }

        .ranking-item:hover {
            padding-left: 6px;
        }

        .rank-num {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 800;
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.8);
            flex-shrink: 0;
        }

        .rank-num.top {
            background: linear-gradient(135deg, #ffb347, #ff6b35);
            color: #fff;
        }

        .ranking-item .info {
            flex: 1;
        }

        .ranking-item .info h4 {
            font-size: 15px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-item .info .rank-meta {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        .hot-card {
            background: linear-gradient(145deg, #162b40, #1d3852);
            border-radius: var(--radius-lg);
            padding: 32px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hot-card .flag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #ffb347;
            font-size: 13px;
            font-weight: 600;
            background: rgba(255, 179, 71, 0.12);
            padding: 5px 14px;
            border-radius: 50px;
            width: fit-content;
        }

        .hot-card h3 {
            font-size: 24px;
            color: #fff;
            font-weight: 800;
            line-height: 1.4;
        }

        .hot-card p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            line-height: 1.8;
        }

        .hot-card .hot-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 4px;
        }

        .hot-card .hot-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
        }

        .hot-card .hot-list li i {
            color: var(--accent);
            font-size: 12px;
        }

        .timeline-section {
            padding: var(--spacing-section) 0;
        }

        .timeline {
            position: relative;
            padding-left: 40px;
            max-width: 760px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 14px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
        }

        .timeline-item {
            position: relative;
            padding-bottom: 40px;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -34px;
            top: 6px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: #fff;
            border: 4px solid var(--primary);
            box-shadow: 0 0 0 4px rgba(26, 107, 255, 0.1);
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-date {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            display: inline-block;
            padding: 3px 12px;
            border-radius: 30px;
            margin-bottom: 8px;
        }

        .timeline-content {
            background: #fff;
            padding: 22px 26px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .timeline-content:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .timeline-content h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .timeline-content p {
            font-size: 14px;
            color: var(--text-body);
        }

        .featured-wrap {
            padding: var(--spacing-section) 0;
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .featured-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 320px;
            min-height: 320px;
            transition: var(--transition);
            box-shadow: var(--shadow-md);
        }

        .featured-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .featured-card::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.1) 50%, transparent 100%);
        }

        .featured-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 28px 24px;
            z-index: 2;
        }

        .featured-info .feat-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 12px;
        }

        .featured-info h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .featured-info p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            max-width: 90%;
        }

        .faq-section {
            padding: var(--spacing-section) 0;
        }

        .faq-grid {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-item summary {
            list-style: none;
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            transition: var(--transition);
        }

        .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-muted);
            transition: transform 0.3s;
            flex-shrink: 0;
        }

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

        .faq-item summary:hover {
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            border-top: 1px dashed var(--border);
            margin-top: 2px;
            padding-top: 16px;
        }

        .cta-section {
            padding: 70px 0;
            background: linear-gradient(135deg, var(--primary), #4f9bff);
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 600px;
            height: 600px;
            transform: translate(-50%, -50%);
            background: radial-gradient(circle, rgba(255, 255, 255, 0.15), transparent 60%);
        }

        .cta-inner {
            max-width: 680px;
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 2;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 700;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }

        .btn-light:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
        }

        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
            padding: 12px 30px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
        }

        .site-footer {
            background: #0d1725;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 24px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 26px;
            height: 3px;
            border-radius: 4px;
            background: var(--primary);
        }

        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 10px;
        }

        .footer-contact p i {
            width: 20px;
            text-align: center;
            color: var(--primary);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        @media (max-width: 1024px) {
            .header-inner {
                gap: 16px;
            }

            .nav-menu {
                order: 4;
                width: 100%;
                justify-content: center;
                padding-top: 4px;
            }

            .nav-slogan {
                display: none;
            }

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

            .hero-stats {
                max-width: 480px;
            }

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

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

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

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

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
            }

            .container {
                padding: 0 18px;
            }

            .header-inner {
                padding: 12px 18px;
                gap: 12px;
            }

            .logo {
                font-size: 19px;
            }

            .nav-search {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
            }

            .nav-menu {
                order: 2;
                overflow-x: auto;
                justify-content: flex-start;
                -webkit-overflow-scrolling: touch;
                width: 100%;
                display: flex;
                flex-wrap: nowrap;
            }

            .nav-menu a {
                padding: 8px 14px;
                font-size: 13px;
                flex-shrink: 0;
            }

            .hero-banner {
                padding: 64px 0 70px;
            }

            .hero-content h1 {
                font-size: 30px;
            }

            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }

            .stat-card .num {
                font-size: 24px;
            }

            .stat-card .label {
                font-size: 12px;
            }

            .section-head h2 {
                font-size: 26px;
            }

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

            .section-link {
                padding: 6px 14px;
                font-size: 13px;
            }

            .hot-card {
                padding: 24px;
            }

            .timeline {
                padding-left: 30px;
            }

            .timeline-item::before {
                left: -24px;
                width: 14px;
                height: 14px;
            }

            .cta-inner h2 {
                font-size: 28px;
            }

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

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

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 24px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline-light {
                width: 100%;
                justify-content: center;
            }

            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 6px;
            }

            .stat-card {
                padding: 14px 8px;
            }

            .stat-card .num {
                font-size: 20px;
            }

            .stat-card .label {
                font-size: 11px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .ranking-item {
                gap: 10px;
            }

            .rank-num {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }

            .ranking-item .info h4 {
                font-size: 13px;
            }

            .featured-info h3 {
                font-size: 18px;
            }
        }