/* roulang page: index */
:root {
  --primary: #0b1e33;
  --primary-light: #173a5e;
  --primary-lighter: #244d7a;
  --accent: #e8a83a;
  --accent-dark: #c98a1d;
  --accent-light: #fdf3e0;
  --bg: #f5f7fb;
  --white: #ffffff;
  --text: #1a2a3a;
  --text-muted: #6c7a8a;
  --border: #e3e9f0;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 4px 14px rgba(11, 30, 51, 0.06);
  --shadow: 0 12px 32px rgba(11, 30, 51, 0.08);
  --shadow-lg: 0 24px 56px rgba(11, 30, 51, 0.12);
  --transition: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

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

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

.container {
  max-width: 1240px;
  padding-left: 20px;
  padding-right: 20px;
}

/* ---------- 导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.brand i {
  color: var(--accent);
  font-size: 26px;
}

.brand:hover {
  color: var(--accent-dark);
}

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

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: var(--accent-light);
}

.nav-link.active {
  color: var(--white);
  background: var(--primary);
  box-shadow: var(--shadow-sm);
}

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

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box input {
  width: 180px;
  padding: 8px 36px 8px 16px;
  border-radius: 50px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 14px;
  transition: var(--transition);
}

.search-box input:focus {
  width: 220px;
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(232, 168, 58, 0.15);
}

.search-box button {
  position: absolute;
  right: 10px;
  color: var(--text-muted);
  font-size: 16px;
  transition: var(--transition);
}

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

.nav-toggle {
  display: none;
  font-size: 24px;
  color: var(--primary);
  padding: 4px;
}

/* ---------- Hero ---------- */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, rgba(11, 30, 51, 0.9) 0%, rgba(23, 58, 94, 0.78) 100%),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  padding: 100px 0 110px;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 168, 58, 0.25) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin-bottom: 56px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

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

.hero-title {
  font-size: 46px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.hero-title span {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(232, 168, 58, 0.35);
}

.btn-primary:hover {
  background: var(--accent-dark);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(232, 168, 58, 0.45);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 760px;
  position: relative;
  z-index: 2;
}

.stat-item {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  backdrop-filter: blur(6px);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: translateY(-4px);
}

.stat-num {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

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

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 8px;
}

/* ---------- 通用板块 ---------- */
.section {
  padding: 92px 0;
}

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

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 50px;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.section-title {
  font-size: 34px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-muted);
}

.section-header.left {
  text-align: left;
  margin-left: 0;
}

/* ---------- 核心特点 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 30px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  opacity: 0;
  transition: var(--transition);
}

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

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

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--accent-dark);
  margin-bottom: 22px;
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.feature-text {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- 分类入口 ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.category-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.category-img {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
}

.category-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(11, 30, 51, 0.5) 100%);
}

.category-body {
  padding: 28px 26px;
}

.category-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
}

.category-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}

.category-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.category-link:hover {
  color: var(--accent);
}

.category-link i {
  font-size: 12px;
  transition: transform 0.2s ease;
}

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

/* ---------- 最新资讯 ---------- */
.news-section {
  background: var(--white);
}

.news-wrap {
  max-width: 960px;
  margin: 0 auto;
}

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

.news-item {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.news-item:hover {
  background: var(--white);
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}

.news-link {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  min-width: 0;
}

.news-cat {
  flex-shrink: 0;
  padding: 5px 14px;
  border-radius: 50px;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
}

.news-title {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: var(--transition);
}

.news-item:hover .news-title {
  color: var(--accent-dark);
}

.news-date {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}

.empty-text {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
  font-size: 16px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

/* ---------- 流程服务 ---------- */
.process-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  position: relative;
  overflow: hidden;
}

.process-section::before {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(232, 168, 58, 0.12);
}

.process-section .section-tag {
  background: rgba(232, 168, 58, 0.2);
  color: var(--accent);
}

.process-section .section-title {
  color: #fff;
}

.process-section .section-subtitle {
  color: rgba(255, 255, 255, 0.75);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
  z-index: 2;
}

.step-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  padding: 32px 26px;
  position: relative;
  transition: var(--transition);
}

.step-item:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-6px);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--primary);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 18px;
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.step-text {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
}

/* ---------- 方案对比 ---------- */
.compare-wrap {
  max-width: 960px;
  margin: 0 auto;
}

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

.compare-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 38px 30px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

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

.compare-card.highlight {
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(232, 168, 58, 0.18);
}

.compare-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 18px;
  border-radius: 50px;
  background: var(--accent);
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.compare-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.compare-price {
  font-size: 15px;
  color: var(--accent-dark);
  font-weight: 600;
  margin-bottom: 22px;
}

.compare-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  text-align: left;
}

.compare-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

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

.compare-list li i {
  color: var(--accent);
  font-size: 14px;
  flex-shrink: 0;
}

/* ---------- FAQ ---------- */
.faq-wrap {
  max-width: 780px;
  margin: 0 auto;
}

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

.accordion-item:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232, 168, 58, 0.12);
}

.accordion-button {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  padding: 20px 24px;
  background: var(--white);
  border: none;
}

.accordion-button:not(.collapsed) {
  background: var(--accent-light);
  color: var(--primary);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: none;
  border-color: var(--accent);
}

.accordion-button::after {
  background-image: none;
  font-family: "bootstrap-icons";
  content: "\F64D";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: var(--accent);
  transition: transform 0.25s ease;
}

.accordion-button:not(.collapsed)::after {
  transform: rotate(45deg);
  color: var(--accent-dark);
}

.accordion-body {
  padding: 8px 24px 24px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---------- CTA ---------- */
.cta-section {
  padding: 0 0 92px;
}

.cta-box {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
}

.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 30, 51, 0.92) 0%, rgba(23, 58, 94, 0.82) 100%);
}

.cta-box > * {
  position: relative;
  z-index: 2;
}

.cta-title {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
}

.cta-text {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

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

.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  max-width: 320px;
}

.footer-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: var(--transition);
}

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

.footer-contact p {
  font-size: 14px;
  margin-bottom: 8px;
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }

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

  .nav-toggle {
    display: block;
  }

  .nav-link {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
  }

  .search-box input {
    width: 140px;
  }

  .search-box input:focus {
    width: 160px;
  }

  .hero-section {
    padding: 72px 0 80px;
  }

  .hero-title {
    font-size: 34px;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 28px;
  }

  .hero-title {
    font-size: 28px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .stat-num {
    font-size: 28px;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .news-item {
    padding: 16px;
  }

  .news-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .news-date {
    white-space: normal;
  }

  .cta-box {
    padding: 40px 24px;
  }

  .cta-title {
    font-size: 24px;
  }
}

@media (max-width: 576px) {
  .search-box {
    display: none;
  }

  .brand {
    font-size: 18px;
  }

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

  .hero-section {
    padding: 56px 0 64px;
  }

  .hero-title {
    font-size: 24px;
  }

  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .feature-card,
  .category-body {
    padding: 24px 20px;
  }

  .category-img {
    height: 180px;
  }

  .compare-card {
    padding: 28px 20px;
  }
}

/* roulang page: article */
:root {
  --primary: #0b1f3a;
  --primary-dark: #081627;
  --primary-light: #16355c;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --accent-light: #fef3c7;
  --bg: #f4f6fb;
  --bg-soft: #eef2f8;
  --white: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-sm: 10px;
  --radius-lg: 28px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 14px 40px rgba(15, 23, 42, 0.14);
  --transition: all 0.25s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: var(--transition);
}

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

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

button, input {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 31, 58, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.brand i {
  color: var(--accent);
  font-size: 24px;
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 8px;
  flex: 1;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 50px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: var(--transition);
}

.nav-link i {
  font-size: 16px;
}

.nav-link:hover,
.nav-link:focus-visible {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  border-color: rgba(255, 255, 255, 0.12);
}

.nav-link.active {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-color: transparent;
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50px;
  padding: 4px 4px 4px 16px;
  transition: var(--transition);
}

.search-box:focus-within {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18);
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: #ffffff;
  width: 180px;
  font-size: 14px;
  padding: 6px 0;
}

.search-box input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.search-box button {
  background: var(--accent);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  cursor: pointer;
  transition: var(--transition);
}

.search-box button:hover {
  background: var(--accent-dark);
  transform: scale(1.05);
}

.nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  width: 44px;
  height: 44px;
  color: #ffffff;
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Article Hero */
.article-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(11, 31, 58, 0.94), rgba(8, 22, 39, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 92px 0 72px;
  color: #ffffff;
  border-bottom: 4px solid var(--accent);
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 28px;
}

.article-breadcrumb a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  transition: var(--transition);
}

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

.article-breadcrumb i {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.article-breadcrumb .current {
  color: var(--accent);
  font-weight: 600;
}

.article-heading h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  max-width: 860px;
  margin: 0 0 20px;
  letter-spacing: 0.5px;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}

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

.meta-category {
  background: var(--accent);
  color: #ffffff;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 13px;
}

.meta-date i,
.meta-read i {
  font-size: 14px;
  opacity: 0.8;
}

/* Article Main */
.article-main-section {
  padding: 56px 0 40px;
  position: relative;
  z-index: 2;
  margin-top: -16px;
}

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

.article-cover {
  position: relative;
  overflow: hidden;
  height: 420px;
}

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

.article-cover:hover img {
  transform: scale(1.03);
}

.article-content {
  padding: 40px 44px 28px;
}

.article-content p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
  margin-bottom: 22px;
}

.article-content h2 {
  font-size: 26px;
  font-weight: 800;
  color: var(--primary);
  margin: 36px 0 16px;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
  border-radius: 4px;
}

.article-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin: 28px 0 12px;
}

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

.article-content li {
  margin-bottom: 8px;
  line-height: 1.8;
}

.article-content blockquote {
  background: var(--bg-soft);
  border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
  padding: 20px 24px;
  margin: 28px 0;
  font-style: italic;
  color: var(--primary-light);
}

.article-content a {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.article-divider {
  height: 1px;
  background: var(--border);
  margin: 0 44px;
}

.article-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 24px 44px 32px;
}

.article-tags i {
  color: var(--accent);
  font-size: 18px;
}

.article-tags a {
  display: inline-block;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-light);
  transition: var(--transition);
}

.article-tags a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
}

.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 44px 32px;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition);
}

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

.empty-content {
  text-align: center;
  color: var(--text-muted);
  padding: 48px 24px;
  font-size: 15px;
  background: var(--bg-soft);
  border-radius: 16px;
}

.not-found {
  text-align: center;
  padding: 90px 24px;
}

.not-found i {
  font-size: 64px;
  color: var(--text-muted);
  display: block;
  margin-bottom: 20px;
}

.not-found h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}

.not-found p {
  color: var(--text-light);
  margin-bottom: 28px;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: 28px;
  transition: var(--transition);
}

.sidebar-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.sidebar-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--bg-soft);
}

.about-card {
  background: linear-gradient(150deg, var(--primary), var(--primary-light));
  border: none;
  color: #ffffff;
}

.about-card h3 {
  color: #ffffff;
  border-bottom-color: rgba(255, 255, 255, 0.16);
}

.about-card p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

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

.tag-cloud a {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}

.tag-cloud a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  transform: translateY(-2px);
}

.cta-card {
  background: linear-gradient(135deg, var(--accent-light), #fff7e6);
  border: 1px solid #fde68a;
}

.cta-card h3 {
  color: var(--accent-dark);
  border-bottom-color: #fde68a;
}

.cta-card p {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 18px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 50px;
  padding: 12px 28px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
  border: 2px solid transparent;
  transition: var(--transition);
}

.btn-lg {
  padding: 16px 38px;
  font-size: 17px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

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

.btn-accent:hover {
  background: var(--accent-dark);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(245, 158, 11, 0.42);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.5);
  color: #ffffff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #ffffff;
  color: #ffffff;
  transform: translateY(-3px);
}

.btn-outline-dark {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline-dark:hover {
  background: var(--primary);
  color: #ffffff;
  transform: translateY(-3px);
}

/* Related Section */
.related-section {
  padding: 70px 0 50px;
  background: var(--white);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  margin: 0;
  letter-spacing: 0.5px;
}

.section-head p {
  color: var(--text-light);
  margin: 6px 0 0;
}

.section-head .section-more {
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

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

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

.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(245, 158, 11, 0.4);
}

.related-card .card-img {
  height: 200px;
  overflow: hidden;
  background: var(--bg-soft);
}

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

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

.related-card .card-body {
  padding: 24px 24px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.badge-cat {
  display: inline-block;
  background: var(--bg-soft);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 12px;
  width: fit-content;
  border: 1px solid var(--border);
}

.related-card .card-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-card .card-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

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

.related-card:hover .card-link {
  gap: 10px;
  color: var(--accent);
}

.empty-tip {
  text-align: center;
  background: var(--white);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 24px;
  color: var(--text-light);
  font-size: 15px;
}

/* FAQ Section */
.faq-section {
  padding: 70px 0;
  background: var(--bg);
}

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

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.faq-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  opacity: 0.7;
  transition: var(--transition);
}

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

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

.faq-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  line-height: 1.5;
  position: relative;
  padding-left: 32px;
}

.faq-item h3::before {
  content: "Q";
  position: absolute;
  left: 0;
  top: 1px;
  width: 24px;
  height: 24px;
  background: var(--accent);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
}

.faq-item p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  margin: 0;
}

/* CTA Section */
.cta-section {
  position: relative;
  background: linear-gradient(135deg, rgba(11, 31, 58, 0.92), rgba(8, 22, 39, 0.86)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 80px 0;
  text-align: center;
  color: #ffffff;
}

.cta-inner h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 14px;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 520px;
  margin: 0 auto 32px;
}

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

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 60px 0 0;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .brand {
  margin-bottom: 16px;
  font-size: 20px;
}

.footer-brand p {
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.68);
  max-width: 330px;
  margin-bottom: 0;
}

.footer-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.68);
  transition: var(--transition);
  width: fit-content;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.68);
  word-break: break-all;
}

.footer-contact i {
  color: var(--accent);
  font-size: 15px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

.footer-bottom p {
  margin: 0;
}

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

  .header-inner {
    flex-wrap: wrap;
    padding: 12px 0;
    min-height: auto;
  }

  .main-nav {
    order: 3;
    width: 100%;
    flex: none;
    justify-content: center;
    margin: 8px 0 0;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: none;
  }

  .main-nav.open {
    display: flex;
    flex-wrap: wrap;
  }

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

  .search-box input {
    width: 140px;
  }

  .article-heading h1 {
    font-size: 30px;
  }

  .article-cover {
    height: 320px;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-inner {
    gap: 12px;
  }

  .search-box {
    display: none;
  }

  .main-nav {
    flex-direction: row;
    gap: 6px;
    overflow-x: auto;
  }

  .nav-link {
    padding: 8px 14px;
    font-size: 14px;
  }

  .article-hero {
    padding: 60px 0 44px;
  }

  .article-heading h1 {
    font-size: 24px;
  }

  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .article-content {
    padding: 28px 22px 20px;
  }

  .article-content p {
    font-size: 15px;
  }

  .article-content h2 {
    font-size: 22px;
  }

  .article-divider {
    margin: 0 22px;
  }

  .article-tags,
  .article-share {
    padding: 18px 22px 22px;
  }

  .article-cover {
    height: 240px;
  }

  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr;
  }

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

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

  .cta-section {
    padding: 56px 0;
  }

  .cta-inner h2 {
    font-size: 26px;
  }

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

@media (max-width: 520px) {
  .brand {
    font-size: 17px;
  }

  .brand i {
    font-size: 20px;
  }

  .header-inner {
    gap: 8px;
  }

  .nav-toggle {
    width: 40px;
    height: 40px;
  }

  .main-nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

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

  .nav-link {
    justify-content: flex-start;
    width: 100%;
    border-radius: 12px;
  }

  .navbar-break {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin: 8px 0;
  }

  .article-hero {
    padding: 48px 0 36px;
  }

  .article-breadcrumb {
    font-size: 13px;
    gap: 6px;
  }

  .article-heading h1 {
    font-size: 21px;
    line-height: 1.4;
  }

  .related-card .card-img {
    height: 170px;
  }

  .faq-item {
    padding: 22px;
  }

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

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

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

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

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0b1f3a;
            --primary-2: #14355e;
            --primary-light: #eef2f8;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --accent-soft: #fef3c7;
            --bg: #f3f6fb;
            --bg-soft: #edf1f8;
            --deep: #081829;
            --white: #ffffff;
            --text: #16233a;
            --muted: #627089;
            --border: #e6ebf2;
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-sm: 0 4px 14px rgba(11, 31, 58, .06);
            --shadow: 0 12px 32px rgba(11, 31, 58, .09);
            --shadow-lg: 0 24px 50px rgba(11, 31, 58, .14);
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
        }
        p {
            margin-bottom: 0;
        }

        /* ========== 通用容器 ========== */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 10px rgba(11, 31, 58, .04);
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 8px 24px rgba(11, 31, 58, .08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 9px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--primary);
            letter-spacing: .3px;
            white-space: nowrap;
        }
        .brand i {
            color: var(--accent);
            font-size: 1.45rem;
        }
        .brand:hover {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 999px;
            font-weight: 600;
            font-size: .95rem;
            color: var(--muted);
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(11, 31, 58, .22);
        }
        .nav-link.active:hover {
            color: #fff;
        }
        .header-tools {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: #f1f5f9;
            border-radius: 999px;
            padding: 4px 6px 4px 16px;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, .14);
        }
        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            width: 180px;
            font-size: .9rem;
            color: var(--text);
        }
        .search-box input::placeholder {
            color: #94a3b8;
        }
        .search-box button {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .search-box button:hover {
            background: var(--accent);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: #f1f5f9;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary-light);
        }

        /* ========== 分类页 Banner ========== */
        .page-banner {
            position: relative;
            padding: 100px 0;
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(8, 24, 41, .94) 25%, rgba(11, 31, 58, .72) 60%, rgba(245, 158, 11, .25));
        }
        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: .85rem;
            font-weight: 600;
            color: rgba(255, 255, 255, .92);
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-shadow: 0 4px 18px rgba(0, 0, 0, .25);
        }
        .page-banner .banner-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, .86);
            max-width: 620px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-banner {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-weight: 700;
            font-size: .95rem;
            transition: var(--transition);
        }
        .btn-banner-solid {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 22px rgba(245, 158, 11, .35);
        }
        .btn-banner-solid:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-banner-ghost {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .3);
            color: #fff;
        }
        .btn-banner-ghost:hover {
            background: rgba(255, 255, 255, .2);
            color: #fff;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .88rem;
            color: rgba(255, 255, 255, .62);
            margin-bottom: 16px;
        }
        .breadcrumb-nav i {
            font-size: .7rem;
        }
        .breadcrumb-nav a {
            color: rgba(255, 255, 255, .82);
        }
        .breadcrumb-nav a:hover {
            color: var(--accent);
        }

        /* ========== 通用板块 ========== */
        .section {
            padding: 90px 0;
        }
        .section-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: #b45309;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: .82rem;
            font-weight: 700;
            letter-spacing: .5px;
            margin-bottom: 14px;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 50px;
        }
        .section-head .section-tag {
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: 2.3rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .section-head p {
            color: var(--muted);
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .bg-soft {
            background: var(--bg-soft);
        }

        /* ========== 分类简介 ========== */
        .intro-section .intro-img-wrap {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .intro-section .intro-img-wrap img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .intro-section .intro-img-wrap:hover img {
            transform: scale(1.03);
        }
        .intro-section .intro-img-wrap::after {
            content: '';
            position: absolute;
            inset: auto 0 0 0;
            height: 45%;
            background: linear-gradient(transparent, rgba(8, 24, 41, .55));
            pointer-events: none;
        }
        .intro-content h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .intro-content .lead-text {
            color: var(--muted);
            font-size: 1rem;
            line-height: 1.9;
            margin-bottom: 22px;
        }
        .check-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
        }
        .check-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 9px 0;
            font-weight: 500;
            color: var(--text);
            font-size: .97rem;
        }
        .check-list li i {
            width: 26px;
            height: 26px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent-hover);
            font-size: .85rem;
            flex-shrink: 0;
        }

        /* ========== 赛事专题卡片 ========== */
        .topic-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .topic-card .card-img {
            height: 168px;
            overflow: hidden;
            position: relative;
        }
        .topic-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .topic-card:hover .card-img img {
            transform: scale(1.06);
        }
        .topic-card .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(8, 24, 41, .3));
            pointer-events: none;
        }
        .topic-card .card-body {
            padding: 24px 24px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 6px;
            font-size: .78rem;
            font-weight: 700;
            letter-spacing: .4px;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .topic-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .topic-card p {
            color: var(--muted);
            font-size: .92rem;
            line-height: 1.75;
            margin-bottom: 18px;
            flex: 1;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-hover);
            font-weight: 700;
            font-size: .9rem;
            transition: var(--transition);
        }
        .card-link i {
            transition: transform .3s ease;
            font-size: .8rem;
        }
        .card-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        /* ========== 最新赛事指南列表 ========== */
        .guide-list {
            max-width: 920px;
            margin: 0 auto;
        }
        .guide-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            background: #fff;
            padding: 22px 26px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            margin-bottom: 14px;
            transition: var(--transition);
        }
        .guide-item:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
            transform: translateX(6px);
            background: #fff;
        }
        .guide-item .item-left {
            display: flex;
            align-items: center;
            gap: 16px;
            flex: 1;
            min-width: 0;
        }
        .guide-item .tag {
            background: var(--primary);
            color: #fff;
            font-size: .76rem;
            padding: 5px 14px;
            border-radius: 6px;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: .4px;
            flex-shrink: 0;
        }
        .guide-item h3 {
            font-size: 1rem;
            font-weight: 650;
            color: var(--text);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .guide-item .meta {
            color: var(--muted);
            font-size: .85rem;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .guide-item .meta i:last-child {
            color: var(--accent);
            font-size: .8rem;
        }

        /* ========== 观赛流程 ========== */
        .process-section {
            background: var(--deep);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .process-section::before {
            content: '';
            position: absolute;
            top: -140px;
            right: -100px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(245, 158, 11, .12);
        }
        .process-section::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .04);
        }
        .process-section .section-tag {
            background: rgba(245, 158, 11, .18);
            color: #fbbf24;
        }
        .process-section .section-head h2 {
            color: #fff;
        }
        .process-section .section-head p {
            color: rgba(255, 255, 255, .65);
        }
        .process-step {
            text-align: center;
            padding: 34px 22px;
            position: relative;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            height: 100%;
            transition: var(--transition);
        }
        .process-step:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-6px);
        }
        .step-icon {
            width: 70px;
            height: 70px;
            border-radius: 18px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .16);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.7rem;
            color: var(--accent);
            margin: 0 auto 20px;
            position: relative;
            z-index: 1;
        }
        .step-num {
            position: absolute;
            top: 14px;
            right: 20px;
            font-size: 2.6rem;
            font-weight: 800;
            color: rgba(255, 255, 255, .07);
            line-height: 1;
        }
        .process-step h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .process-step p {
            color: rgba(255, 255, 255, .6);
            font-size: .9rem;
            line-height: 1.75;
        }

        /* ========== 数据统计 ========== */
        .stat-card {
            text-align: center;
            padding: 38px 20px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .stat-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 2.7rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-number span {
            color: var(--accent);
        }
        .stat-label {
            color: var(--muted);
            margin-top: 8px;
            font-size: .92rem;
            font-weight: 500;
        }
        .stat-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin: 0 auto 16px;
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            box-shadow: 0 2px 8px rgba(11, 31, 58, .03);
        }
        .faq-accordion-item .accordion-button {
            font-weight: 650;
            color: var(--text);
            font-size: 1rem;
            padding: 20px 24px;
            border-radius: var(--radius-sm) !important;
            background: #fff;
            box-shadow: none !important;
            transition: var(--transition);
        }
        .faq-accordion-item .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #fff;
            border-bottom: 1px solid var(--border);
        }
        .faq-accordion-item .accordion-button:focus {
            box-shadow: none !important;
        }
        .faq-accordion-item .accordion-button::after {
            transition: transform .3s ease;
            filter: hue-rotate(210deg) saturate(.8);
        }
        .faq-accordion-item .accordion-body {
            color: var(--muted);
            padding: 20px 24px;
            font-size: .95rem;
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(130deg, var(--primary) 0%, #173a63 55%, #20507f 100%);
            color: #fff;
            padding: 74px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            bottom: -100px;
            right: 10%;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(245, 158, 11, .15);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -70px;
            left: 5%;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .04);
        }
        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .75);
            max-width: 540px;
            margin: 0 auto 30px;
            font-size: 1.02rem;
            line-height: 1.8;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            padding: 13px 32px;
            border-radius: 999px;
            font-weight: 700;
            font-size: .95rem;
            border: none;
            transition: var(--transition);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(245, 158, 11, .35);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--deep);
            color: rgba(255, 255, 255, .68);
            padding: 64px 0 0;
            font-size: .93rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-brand .brand {
            color: #fff;
            font-size: 1.28rem;
            margin-bottom: 14px;
        }
        .footer-brand .brand i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: .92rem;
            line-height: 1.85;
            color: rgba(255, 255, 255, .6);
            margin-top: 14px;
        }
        .footer-title {
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            display: block;
            font-size: 1rem;
            letter-spacing: .5px;
        }
        .footer-links a {
            display: block;
            padding: 6px 0;
            color: rgba(255, 255, 255, .68);
            transition: var(--transition);
            font-size: .92rem;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 7px;
        }
        .footer-contact p {
            margin-bottom: 10px;
            font-size: .92rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact i {
            color: var(--accent);
            font-size: 1rem;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding: 22px 0;
            font-size: .85rem;
            color: rgba(255, 255, 255, .45);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-130%);
                transition: transform .35s ease;
                z-index: 1040;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .main-nav .nav-link {
                justify-content: center;
                padding: 13px 18px;
                font-size: 1rem;
            }
            .nav-toggle {
                display: flex;
            }
            .search-box {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .topic-card .card-img {
                height: 150px;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 60px 0;
            }
            .page-banner {
                padding: 70px 0;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .section-head h2 {
                font-size: 1.75rem;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .guide-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 18px 20px;
            }
            .guide-item h3 {
                white-space: normal;
            }
            .guide-item .meta {
                width: 100%;
                justify-content: flex-end;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .cta-inner h2 {
                font-size: 1.65rem;
            }
            .stat-number {
                font-size: 2.1rem;
            }
        }

        @media (max-width: 519.98px) {
            .header-inner {
                height: 64px;
                gap: 10px;
            }
            .brand {
                font-size: 1rem;
                gap: 6px;
            }
            .brand i {
                font-size: 1.2rem;
            }
            .main-nav {
                top: 64px;
            }
            .page-banner {
                padding: 54px 0;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-desc {
                font-size: .98rem;
            }
            .banner-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-banner {
                width: 100%;
                justify-content: center;
            }
            .section-head h2 {
                font-size: 1.5rem;
            }
            .intro-section .intro-img-wrap img {
                height: 230px;
            }
            .process-step {
                padding: 26px 18px;
            }
            .step-number {
                font-size: 2.1rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }