/* roulang page: index */
:root {
  --primary: #c8102e;
  --primary-dark: #9e0c24;
  --primary-light: #e63952;
  --gold: #d4a857;
  --gold-light: #e8c985;
  --black: #101014;
  --dark: #1c1c22;
  --dark-light: #2a2a33;
  --bg: #f4f4f6;
  --bg-alt: #fafafa;
  --text: #1a1a1a;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s ease;
  --nav-height: 78px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
button {
  border: none;
  cursor: pointer;
  font-family: inherit;
}
input,
textarea {
  font-family: inherit;
  outline: none;
}
ul,
ol {
  list-style: none;
}
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-padding {
  padding: 88px 0;
}
.section-alt {
  background: var(--white);
}
.text-center {
  text-align: center;
}
/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(200, 16, 46, 0.3);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(200, 16, 46, 0.35);
}
.btn-gold {
  background: var(--gold);
  color: var(--dark);
  box-shadow: 0 6px 20px rgba(212, 168, 87, 0.3);
}
.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(212, 168, 87, 0.4);
}
.btn-outline {
  border-color: rgba(255, 255, 255, 0.7);
  color: var(--white);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}
.btn-lg {
  padding: 16px 40px;
  font-size: 18px;
}
.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}
/* ---------- 徽章 / 标签 ---------- */
.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(200, 16, 46, 0.1);
  color: var(--primary);
}
.badge-gold {
  background: rgba(212, 168, 87, 0.15);
  color: #a17c2f;
}
.badge-dark {
  background: rgba(20, 20, 20, 0.08);
  color: var(--dark);
}
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-xs);
  background: var(--bg);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
}
/* ---------- 导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--dark);
  line-height: 1.2;
  white-space: nowrap;
}
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--white);
  font-size: 20px;
  font-weight: 900;
  box-shadow: 0 4px 14px rgba(200, 16, 46, 0.3);
}
.logo-text span {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 1px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav a {
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 40px;
  transition: var(--transition);
}
.main-nav a:hover {
  background: rgba(200, 16, 46, 0.06);
  color: var(--primary);
}
.main-nav a.active {
  background: var(--primary);
  color: var(--white);
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(200, 16, 46, 0.25);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-cta .header-btn {
  background: var(--dark);
  color: var(--white);
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-cta .header-btn:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(200, 16, 46, 0.3);
}
.menu-toggle {
  display: none;
  background: none;
  font-size: 24px;
  color: var(--dark);
  padding: 8px;
  border-radius: 8px;
}
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  gap: 4px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.mobile-nav a {
  padding: 12px 14px;
  font-size: 16px;
  font-weight: 500;
  border-radius: 10px;
  color: var(--text);
}
.mobile-nav a:hover {
  background: rgba(200, 16, 46, 0.06);
  color: var(--primary);
}
.mobile-nav a.active {
  background: var(--primary);
  color: var(--white);
}
.mobile-nav .btn {
  margin-top: 8px;
  justify-content: center;
}
/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  background: linear-gradient(120deg, rgba(16, 16, 20, 0.92) 0%, rgba(16, 16, 20, 0.78) 50%, rgba(16, 16, 20, 0.4) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color: var(--white);
  padding: 100px 0;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 100px;
  background: linear-gradient(to bottom, transparent, var(--bg));
  z-index: 1;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
}
.hero-badge i {
  color: var(--gold);
}
.hero h1 {
  font-size: 30px;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.hero h1 .accent {
  color: var(--gold);
}
.hero-subtitle {
  font-size: 20px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 16px;
}
.hero-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 620px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-item .stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.3;
}
.stat-item .stat-num em {
  font-style: normal;
  color: var(--gold);
  font-size: 18px;
  margin-left: 2px;
}
.stat-item .stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
}
/* ---------- 板块标题 ---------- */
.section-head {
  margin-bottom: 48px;
  max-width: 680px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-head .subtitle {
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: block;
  text-transform: uppercase;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--dark);
  margin-bottom: 14px;
}
.section-head p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.7;
}
/* ---------- 特点卡片 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 26px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: var(--transition);
  text-align: center;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(200, 16, 46, 0.12);
}
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(200, 16, 46, 0.1), rgba(200, 16, 46, 0.04));
  color: var(--primary);
  font-size: 26px;
  margin-bottom: 20px;
}
.feature-icon.icon-gold {
  background: linear-gradient(135deg, rgba(212, 168, 87, 0.15), rgba(212, 168, 87, 0.05));
  color: #a17c2f;
}
.feature-icon.icon-dark {
  background: linear-gradient(135deg, rgba(28, 28, 34, 0.1), rgba(28, 28, 34, 0.03));
  color: var(--dark);
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}
.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}
/* ---------- 分类入口 ---------- */
.cate-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.cate-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: block;
  min-height: 380px;
}
.cate-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.cate-card .card-img {
  height: 260px;
  overflow: hidden;
  position: relative;
}
.cate-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.cate-card:hover .card-img img {
  transform: scale(1.05);
}
.cate-card .card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.35), transparent);
}
.cate-card .card-body {
  padding: 28px 26px 30px;
  position: relative;
}
.cate-card .card-body h3 {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}
.cate-card .card-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}
.cate-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
}
.cate-link i {
  transition: transform 0.3s;
}
.cate-card:hover .cate-link i {
  transform: translateX(4px);
}
/* ---------- 会员权益 ---------- */
.member-section {
  background: var(--dark);
  background-image: linear-gradient(120deg, rgba(16, 16, 20, 0.92), rgba(30, 30, 38, 0.96)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  color: var(--white);
}
.member-section .section-head h2 {
  color: var(--white);
}
.member-section .section-head p {
  color: rgba(255, 255, 255, 0.7);
}
.member-section .section-head .subtitle {
  color: var(--gold);
}
.member-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.member-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 30px 22px;
  text-align: center;
  backdrop-filter: blur(6px);
  transition: var(--transition);
}
.member-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-6px);
  border-color: rgba(212, 168, 87, 0.4);
}
.member-card i {
  font-size: 30px;
  color: var(--gold);
  margin-bottom: 16px;
  display: inline-block;
}
.member-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--white);
}
.member-card p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.6;
}
/* ---------- 资讯列表 ---------- */
.news-section {
  background: var(--bg);
}
.news-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
}
.news-main-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  display: block;
}
.news-main-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.news-main-card .news-img {
  height: 260px;
  overflow: hidden;
  position: relative;
}
.news-main-card .news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.news-main-card:hover .news-img img {
  transform: scale(1.04);
}
.news-main-card .news-content {
  padding: 26px;
}
.news-main-card .news-content .badge {
  margin-bottom: 12px;
}
.news-main-card .news-content h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--dark);
}
.news-main-card .news-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 13px;
  color: var(--text-muted);
  align-items: center;
}
.news-meta i {
  margin-right: 4px;
  color: var(--primary);
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-list-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: var(--transition);
  display: block;
}
.news-list-item:hover {
  border-color: rgba(200, 16, 46, 0.2);
  transform: translateX(6px);
  box-shadow: var(--shadow-lg);
}
.news-list-item .news-list-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-list-item .news-list-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 10px;
}
.news-list-item .news-meta {
  font-size: 12px;
  gap: 10px;
}
.empty-news {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
  font-size: 16px;
  box-shadow: var(--shadow);
}
/* ---------- 流程 ---------- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.step-item {
  position: relative;
  padding: 30px 24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}
.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 16px;
  box-shadow: 0 4px 14px rgba(200, 16, 46, 0.3);
}
.step-item h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--dark);
}
.step-item p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}
/* ---------- 品牌图文 ---------- */
.brand-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.brand-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.brand-img img {
  width: 100%;
  height: 460px;
  object-fit: cover;
}
.brand-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top right, rgba(200, 16, 46, 0.25), transparent);
}
.brand-content .badge {
  margin-bottom: 14px;
}
.brand-content h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 18px;
  color: var(--dark);
}
.brand-content p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.brand-points {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.brand-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--dark);
  font-weight: 500;
}
.brand-points li i {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(200, 16, 46, 0.1);
  color: var(--primary);
  font-size: 12px;
  flex-shrink: 0;
}
/* ---------- FAQ ---------- */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(200, 16, 46, 0.2);
  box-shadow: var(--shadow);
}
.faq-item summary {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary .faq-icon {
  display: inline-flex;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(200, 16, 46, 0.08);
  color: var(--primary);
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-item[open] summary .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: var(--white);
}
.faq-item .faq-answer {
  padding: 0 24px 22px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
}
/* ---------- CTA ---------- */
.cta-section {
  background: linear-gradient(120deg, rgba(16, 16, 20, 0.85), rgba(60, 10, 16, 0.7)), url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  padding: 90px 0;
  color: var(--white);
  text-align: center;
}
.cta-section h2 {
  font-size: 38px;
  font-weight: 900;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto 32px;
}
.cta-section .cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--black);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
}
.footer-brand .logo {
  color: var(--white);
  margin-bottom: 16px;
}
.footer-brand .logo-text span {
  color: rgba(255, 255, 255, 0.5);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  padding: 5px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
}
.footer-col a:hover {
  color: var(--gold);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a:hover {
  color: var(--gold);
}
/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .member-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-layout {
    grid-template-columns: 1fr;
  }
  .brand-layout {
    grid-template-columns: 1fr;
  }
  .brand-img img {
    height: 360px;
  }
}
@media (max-width: 768px) {
  .section-padding {
    padding: 60px 0;
  }
  .main-nav,
  .nav-cta .header-btn {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .mobile-nav.open {
    display: flex;
  }
  .hero {
    min-height: auto;
    padding: 80px 0;
  }
  .hero h1 {
    font-size: 24px;
  }
  .hero-subtitle {
    font-size: 17px;
  }
  .hero-stats {
    gap: 24px;
  }
  .cate-grid {
    grid-template-columns: 1fr;
  }
  .cta-section h2 {
    font-size: 28px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .member-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .hero-buttons .btn {
    width: 100%;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .hero h1 {
    font-size: 22px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: article */
:root {
  --color-primary: #C8102E;
  --color-primary-dark: #A00D25;
  --color-primary-light: #E8173A;
  --color-secondary: #1A1A2E;
  --color-accent: #D4A843;
  --color-bg: #F7F5F2;
  --color-white: #FFFFFF;
  --color-text: #1C1C1E;
  --color-text-light: #6B6B6F;
  --color-border: #E5E3DE;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
  --font-base: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
  --transition: 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
ul, ol, p, h1, h2, h3, h4, h5, h6 { margin: 0; padding: 0; }
button { background: none; border: none; cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn i { font-size: 16px; }
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(200, 16, 46, 0.35);
}
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(200, 16, 46, 0.4); color: #fff; }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(200, 16, 46, 0.3); }
.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid rgba(200, 16, 46, 0.35);
}
.btn-ghost:hover { background: rgba(200, 16, 46, 0.08); border-color: var(--color-primary); color: var(--color-primary-dark); }
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.7);
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); color: #fff; border-color: #fff; }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-lg { padding: 15px 32px; font-size: 16px; }
.btn-block { display: flex; width: 100%; }
.btn:focus-visible { outline: 3px solid rgba(200, 16, 46, 0.5); outline-offset: 2px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 12px rgba(0, 0, 0, 0.05);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 24px;
}
.header-brand { flex-shrink: 0; }
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(200, 16, 46, 0.35);
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
  font-weight: 800;
  font-size: 18px;
  color: var(--color-text);
}
.logo-text span { font-size: 12px; font-weight: 500; color: var(--color-text-light); letter-spacing: 0.5px; }
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a {
  padding: 9px 18px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  transition: all var(--transition);
  position: relative;
}
.main-nav a:hover { background: rgba(200, 16, 46, 0.08); color: var(--color-primary); }
.main-nav a.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(200, 16, 46, 0.3);
}
.main-nav a.active:hover { color: #fff; background: var(--color-primary-dark); }
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.nav-toggle:hover { background: rgba(200, 16, 46, 0.1); color: var(--color-primary); }
.nav-toggle:focus-visible { outline: 3px solid rgba(200, 16, 46, 0.4); outline-offset: 2px; }

/* Article Hero */
.article-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 100px 0 84px;
  color: #fff;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(26, 26, 46, 0.92) 0%, rgba(26, 26, 46, 0.68) 60%, rgba(200, 16, 46, 0.35) 100%);
}
.article-hero .container { position: relative; z-index: 2; }
.article-hero-content { max-width: 860px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  backdrop-filter: blur(6px);
  margin-bottom: 18px;
}
.hero-badge i { color: var(--color-accent); }
.hero-title {
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  flex-wrap: wrap;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero-meta i { color: var(--color-accent); }

/* Breadcrumb */
.breadcrumb-wrap {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 14px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-light);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-light); font-weight: 500; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb i { font-size: 10px; color: #b0aea9; }

/* Article Main */
.article-main { padding: 56px 0 70px; }
.article-body-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 40px;
  border: 1px solid var(--color-border);
  margin-bottom: 28px;
}
.article-content { font-size: 16px; line-height: 1.85; color: #333; overflow-wrap: break-word; }
.article-content h2, .article-content h3 {
  margin: 32px 0 14px;
  color: var(--color-text);
  line-height: 1.4;
}
.article-content h2 { font-size: 24px; }
.article-content h3 { font-size: 20px; }
.article-content p { margin-bottom: 18px; }
.article-content ul, .article-content ol { margin: 0 0 18px 24px; }
.article-content li { margin-bottom: 8px; }
.article-content img { max-width: 100%; height: auto; border-radius: var(--radius-md); margin: 22px 0; box-shadow: var(--shadow-sm); }
.article-content blockquote {
  border-left: 4px solid var(--color-primary);
  background: rgba(200, 16, 46, 0.05);
  padding: 14px 20px;
  margin: 22px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #555;
}
.article-content a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { color: var(--color-primary-dark); }
.article-share {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.article-share span { font-size: 14px; color: var(--color-text-light); margin-right: 4px; }
.article-share a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 15px;
  transition: all var(--transition);
}
.article-share a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); transform: translateY(-2px); }

/* Not Found */
.not-found-box {
  text-align: center;
  padding: 60px 20px;
}
.not-found-box i {
  font-size: 52px;
  color: var(--color-border);
  margin-bottom: 18px;
  display: inline-block;
}
.not-found-box h2 { font-size: 28px; font-weight: 700; margin-bottom: 12px; color: var(--color-text); }
.not-found-box p { color: var(--color-text-light); margin-bottom: 24px; max-width: 420px; margin-left: auto; margin-right: auto; }

/* Sidebar */
.sidebar-widget {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  padding: 26px;
  margin-bottom: 24px;
}
.sidebar-widget h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-widget h3 i { color: var(--color-primary); font-size: 16px; }
.sidebar-widget p { font-size: 14px; color: var(--color-text-light); margin-bottom: 16px; }
.widget-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  margin-bottom: 10px;
  transition: all var(--transition);
  color: var(--color-text);
}
.widget-link:last-child { margin-bottom: 0; }
.widget-link:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(200, 16, 46, 0.04); transform: translateX(4px); }
.widget-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 16px;
  flex-shrink: 0;
}
.widget-link > i { margin-left: auto; font-size: 13px; color: #b0aea9; }
.widget-link:hover > i { color: var(--color-primary); transform: translateX(2px); }

/* Section shared */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 44px;
}
.section-tag {
  display: inline-block;
  background: rgba(200, 16, 46, 0.08);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}
.section-header h2 { font-size: clamp(26px, 3.4vw, 36px); font-weight: 800; color: var(--color-text); line-height: 1.3; margin-bottom: 10px; }
.section-header p { color: var(--color-text-light); font-size: 16px; }

/* Category Section */
.category-section { padding: 72px 0; background: var(--color-white); }
.category-card {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  background-size: cover;
  background-position: center;
  min-height: 260px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  margin-bottom: 20px;
}
.category-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26, 26, 46, 0.1) 0%, rgba(26, 26, 46, 0.82) 100%);
  transition: all var(--transition);
}
.category-card:hover .category-card-overlay { background: linear-gradient(180deg, rgba(26, 26, 46, 0.15) 0%, rgba(200, 16, 46, 0.78) 100%); }
.category-card-content { position: relative; z-index: 2; padding: 30px; display: flex; flex-direction: column; justify-content: flex-end; height: 100%; min-height: 260px; color: #fff; }
.category-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--color-accent);
  margin-bottom: 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
}
.category-card-content h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.category-card-content p { font-size: 14px; line-height: 1.7; color: rgba(255, 255, 255, 0.88); margin-bottom: 14px; }
.category-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
}
.category-card-link i { transition: transform var(--transition); }
.category-card:hover .category-card-link i { transform: translateX(4px); }

/* FAQ Section */
.faq-section { padding: 72px 0; background: var(--color-bg); }
.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  margin-bottom: 16px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-md); border-color: rgba(200, 16, 46, 0.25); transform: translateY(-2px); }
.faq-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.faq-item h3 i { color: var(--color-primary); font-size: 15px; margin-top: 3px; }
.faq-item p { font-size: 15px; color: var(--color-text-light); line-height: 1.75; padding-left: 24px; }

/* CTA Section */
.cta-section { padding: 72px 0; }
.cta-box {
  position: relative;
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(125deg, rgba(26, 26, 46, 0.9) 0%, rgba(200, 16, 46, 0.75) 100%);
}
.cta-content { position: relative; z-index: 2; max-width: 680px; margin: 0 auto; color: #fff; }
.cta-content h2 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 800; margin-bottom: 12px; }
.cta-content p { font-size: 16px; color: rgba(255, 255, 255, 0.85); margin-bottom: 30px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer {
  background: var(--color-secondary);
  color: #b9b9c2;
  padding: 60px 0 36px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo .logo-text { color: #fff; }
.footer-brand .logo .logo-text span { color: #8a8a96; }
.footer-brand p { font-size: 14px; line-height: 1.75; margin-top: 16px; max-width: 380px; color: #a0a0aa; }
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-col a {
  display: block;
  color: #a0a0aa;
  font-size: 14px;
  padding: 4px 0;
  transition: all var(--transition);
}
.footer-col a:hover { color: var(--color-accent); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #74747e;
}

/* Responsive */
@media screen and (max-width: 1024px) {
  .main-nav { gap: 4px; }
  .main-nav a { padding: 8px 14px; font-size: 14px; }
  .header-row { gap: 16px; }
  .article-main { padding: 44px 0 56px; }
  .article-body-card { padding: 30px; }
}
@media screen and (max-width: 768px) {
  .header-row { flex-wrap: wrap; min-height: 64px; }
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 16px;
    gap: 8px;
    border: 1px solid var(--color-border);
  }
  .main-nav.open { display: flex; }
  .main-nav a { width: 100%; text-align: center; }
  .header-actions .btn { display: none; }
  .article-hero { padding: 64px 0 52px; }
  .hero-title { font-size: 28px; }
  .hero-meta { gap: 12px; }
  .article-body-card { padding: 24px; }
  .category-card { min-height: 220px; }
  .category-card-content { min-height: 220px; padding: 24px; }
  .faq-section { padding: 56px 0; }
  .cta-box { padding: 48px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media screen and (max-width: 520px) {
  .container { padding: 0 18px; }
  .article-body-card { padding: 18px; border-radius: var(--radius-md); }
  .article-main { padding: 32px 0 44px; }
  .breadcrumb { font-size: 13px; gap: 6px; }
  .hero-title { font-size: 24px; }
  .cta-actions .btn { width: 100%; }
  .faq-item { padding: 18px; }
  .category-card { margin-bottom: 14px; }
  .sidebar-widget { padding: 20px; }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #d4001f;
            --primary-dark: #a30018;
            --primary-light: #ff3b4e;
            --dark: #0d0d0f;
            --dark-soft: #17171c;
            --dark-card: #1e1e24;
            --text: #18181c;
            --text-soft: #4b4b52;
            --text-light: #8a8a93;
            --bg: #f5f5f6;
            --bg-light: #ffffff;
            --border: #e8e8ed;
            --radius: 18px;
            --radius-sm: 10px;
            --shadow: 0 6px 28px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 14px 36px rgba(212, 0, 31, 0.10);
            --transition: all 0.3s ease;
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 800;
            line-height: 1.3;
            color: var(--dark);
            margin: 0;
        }
        p {
            margin: 0;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        /* ========== 容器 ========== */
        .grid-container {
            max-width: 1200px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.85rem 1.75rem;
            border-radius: 999px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            line-height: 1.2;
            white-space: nowrap;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn i {
            font-size: 0.9em;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(212, 0, 31, 0.32);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(212, 0, 31, 0.4);
        }
        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.65);
            color: #fff;
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-dark {
            background: var(--dark);
            color: #fff;
        }
        .btn-dark:hover {
            background: #000;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 0.6rem 1.15rem;
            font-size: 0.87rem;
        }
        .btn-block {
            width: 100%;
        }

        /* ========== 徽章 / 标签 ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.32rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            line-height: 1.2;
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.22);
            backdrop-filter: blur(4px);
        }
        .badge-red {
            background: var(--primary);
            color: #fff;
            border: none;
        }
        .badge-dark {
            background: var(--dark);
            color: #fff;
            border: none;
        }
        .badge-soft {
            background: rgba(212, 0, 31, 0.08);
            color: var(--primary);
            border: 1px solid rgba(212, 0, 31, 0.18);
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            min-height: 76px;
            flex-wrap: wrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.7rem;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 46px;
            height: 46px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 21px;
            box-shadow: 0 6px 18px rgba(212, 0, 31, 0.3);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            font-weight: 800;
            font-size: 1.18rem;
            color: var(--dark);
            letter-spacing: -0.01em;
        }
        .logo-text span {
            font-size: 0.7rem;
            font-weight: 400;
            color: var(--text-light);
            letter-spacing: 0.04em;
            margin-top: 2px;
        }
        .logo-badge {
            margin-left: 0.35rem;
            background: var(--dark);
            color: #fff;
            font-size: 0.62rem;
            font-weight: 700;
            padding: 0.2rem 0.55rem;
            border-radius: 999px;
            letter-spacing: 0.08em;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .main-nav a {
            padding: 0.55rem 1.05rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.94rem;
            color: var(--text-soft);
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(212, 0, 31, 0.06);
        }
        .main-nav a.active {
            background: var(--dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.14);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--dark);
            color: #fff;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary);
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            padding: 7rem 0 5.5rem;
            background: linear-gradient(115deg, rgba(10, 10, 12, 0.94) 30%, rgba(212, 0, 31, 0.72) 90%), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            right: -120px;
            top: 50%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.14), transparent 68%);
            transform: translateY(-50%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-content .badge {
            margin-bottom: 1.1rem;
        }
        .hero-content h1 {
            color: #fff;
            font-size: clamp(2rem, 4.2vw, 3.2rem);
            letter-spacing: -0.02em;
            margin-bottom: 0.8rem;
        }
        .hero-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.08rem;
            max-width: 560px;
            line-height: 1.7;
            margin-bottom: 1.8rem;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-bottom: 2.2rem;
        }
        .hero-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.28);
            backdrop-filter: blur(8px);
            border-radius: 999px;
            padding: 0.35rem 0.35rem 0.35rem 1.1rem;
            max-width: 460px;
            gap: 0.5rem;
            transition: var(--transition);
        }
        .hero-search i {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        .hero-search input {
            background: transparent;
            border: none;
            color: #fff;
            font-size: 0.92rem;
            min-width: 0;
            flex: 1;
        }
        .hero-search input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .hero-quick {
            display: flex;
            flex-wrap: wrap;
            gap: 1.1rem;
            align-items: center;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.82rem;
        }
        .hero-quick span {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }
        .hero-quick i {
            color: var(--primary-light);
        }

        /* ========== Section 通用 ========== */
        .section {
            padding: 5.5rem 0;
        }
        .section-gray {
            background: var(--bg-light);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-dark {
            background: var(--dark);
            color: #fff;
            position: relative;
        }
        .section-header {
            margin-bottom: 2.6rem;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            letter-spacing: -0.02em;
            margin: 0;
        }
        .section-header p {
            color: var(--text-light);
            max-width: 560px;
            font-size: 0.98rem;
        }
        .section-header .header-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .section-header .header-link:hover {
            gap: 0.6rem;
        }

        /* ========== 分类标签卡片 ========== */
        .category-card {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.8rem 1.6rem;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .category-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            width: 4px;
            height: 100%;
            background: var(--primary);
            opacity: 0;
            transition: var(--transition);
        }
        .category-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-5px);
            border-color: rgba(212, 0, 31, 0.24);
        }
        .category-card:hover::before {
            opacity: 1;
        }
        .category-card .cat-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            background: rgba(212, 0, 31, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 1.1rem;
            transition: var(--transition);
        }
        .category-card:hover .cat-icon {
            background: var(--primary);
            color: #fff;
        }
        .category-card h3 {
            font-size: 1.05rem;
            margin-bottom: 0.4rem;
        }
        .category-card p {
            color: var(--text-light);
            font-size: 0.85rem;
            margin-bottom: 0.9rem;
            line-height: 1.55;
        }
        .category-card .cat-count {
            font-size: 0.78rem;
            color: var(--text-light);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .category-card .cat-count i {
            color: var(--primary);
        }

        /* ========== 最新资讯 ========== */
        .news-main-col {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }
        .news-card {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .news-card-media {
            position: relative;
            overflow: hidden;
        }
        .news-card-media img {
            width: 100%;
            height: 210px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-card-media img {
            transform: scale(1.04);
        }
        .news-card-media .badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            z-index: 2;
        }
        .news-card-body {
            padding: 1.3rem 1.4rem 1.4rem;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card-body h3 {
            font-size: 1.06rem;
            line-height: 1.45;
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }
        .news-card-body h3 a:hover {
            color: var(--primary);
        }
        .news-card-body p {
            color: var(--text-soft);
            font-size: 0.9rem;
            line-height: 1.65;
            margin-bottom: 1rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .news-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }
        .news-card-large {
            flex-direction: row;
        }
        .news-card-large .news-card-media {
            flex: 0 0 44%;
        }
        .news-card-large .news-card-media img {
            height: 100%;
            min-height: 240px;
        }
        .news-card-large .news-card-body {
            padding: 2rem;
            justify-content: center;
        }
        .news-card-large .news-card-body h3 {
            font-size: 1.45rem;
            line-height: 1.35;
        }
        .news-card-large .news-card-body p {
            -webkit-line-clamp: 3;
            font-size: 0.95rem;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.4rem;
        }
        .side-card {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.6rem;
            transition: var(--transition);
        }
        .side-card:hover {
            box-shadow: var(--shadow);
        }
        .side-card h3 {
            font-size: 1.05rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .side-card h3 i {
            color: var(--primary);
        }
        .hot-list {
            display: flex;
            flex-direction: column;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 0.85rem;
            padding: 0.75rem 0;
            border-bottom: 1px dashed var(--border);
            transition: var(--transition);
        }
        .hot-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .hot-item:first-child {
            padding-top: 0;
        }
        .hot-item:hover {
            padding-left: 0.4rem;
        }
        .hot-rank {
            width: 26px;
            height: 26px;
            border-radius: 8px;
            background: rgba(212, 0, 31, 0.08);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .hot-item:nth-child(-n+3) .hot-rank {
            background: var(--primary);
            color: #fff;
        }
        .hot-item .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-item .hot-info span {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            line-height: 1.4;
        }
        .hot-item .hot-info em {
            font-style: normal;
            font-size: 0.76rem;
            color: var(--text-light);
        }
        .subscribe-card {
            background: linear-gradient(145deg, var(--dark), var(--dark-soft));
            border-radius: var(--radius);
            padding: 1.8rem 1.6rem;
            color: #fff;
        }
        .subscribe-card h3 {
            color: #fff;
            margin-bottom: 0.4rem;
            font-size: 1.15rem;
        }
        .subscribe-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.84rem;
            margin-bottom: 1rem;
        }
        .subscribe-card input {
            width: 100%;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 12px;
            padding: 0.75rem 1rem;
            color: #fff;
            font-size: 0.88rem;
            margin-bottom: 0.8rem;
            transition: var(--transition);
        }
        .subscribe-card input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .subscribe-card input:focus {
            border-color: var(--primary-light);
            background: rgba(255, 255, 255, 0.14);
        }
        .subscribe-card small {
            display: block;
            margin-top: 0.7rem;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.72rem;
            text-align: center;
        }
        .subscribe-card .btn {
            box-shadow: 0 6px 20px rgba(212, 0, 31, 0.4);
        }

        /* ========== 数据统计 ========== */
        .stats-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 2rem 1.4rem;
            text-align: center;
            height: 100%;
            transition: var(--transition);
        }
        .stats-card:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }
        .stats-card .num {
            font-size: 2.6rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.1;
            letter-spacing: -0.03em;
        }
        .stats-card .num em {
            font-style: normal;
            font-size: 1rem;
            color: var(--primary-light);
            margin-left: 0.2rem;
            font-weight: 700;
        }
        .stats-card .label {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.86rem;
            margin-top: 0.4rem;
            display: block;
        }
        .stats-card .desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.8rem;
            margin-top: 0.2rem;
        }

        /* ========== 时间线 ========== */
        .timeline {
            position: relative;
            padding-left: 2rem;
            max-width: 860px;
            margin: 0 auto;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--border));
        }
        .timeline-item {
            position: relative;
            padding-bottom: 1.6rem;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2rem;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #fff;
            border: 3px solid var(--primary);
            box-shadow: 0 0 0 4px rgba(212, 0, 31, 0.14);
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            left: -2rem;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            opacity: 0.5;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(0.6); opacity: 0.7; }
            100% { transform: scale(1.8); opacity: 0; }
        }
        .timeline-card {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 1.2rem 1.4rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            transition: var(--transition);
        }
        .timeline-card:hover {
            box-shadow: var(--shadow);
        }
        .timeline-date {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(212, 0, 31, 0.06);
            padding: 0.4rem 0.8rem;
            border-radius: 999px;
            white-space: nowrap;
        }
        .timeline-type {
            font-size: 0.78rem;
            color: var(--text-light);
            background: var(--bg);
            padding: 0.3rem 0.75rem;
            border-radius: 999px;
            white-space: nowrap;
        }
        .timeline-info {
            flex: 1;
            min-width: 0;
        }
        .timeline-info strong {
            font-size: 0.98rem;
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .timeline-result {
            font-weight: 900;
            font-size: 1.15rem;
            color: var(--dark);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .timeline-status {
            font-size: 0.75rem;
            padding: 0.3rem 0.7rem;
            border-radius: 999px;
            font-weight: 600;
            white-space: nowrap;
        }
        .timeline-status.done {
            background: rgba(30, 160, 60, 0.1);
            color: #1ba04a;
        }
        .timeline-status.upcoming {
            background: rgba(212, 0, 31, 0.08);
            color: var(--primary);
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 0.85rem;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(212, 0, 31, 0.22);
        }
        .faq-item.open {
            box-shadow: var(--shadow);
            border-color: rgba(212, 0, 31, 0.3);
        }
        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.1rem 1.4rem;
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
            text-align: left;
            background: transparent;
            transition: var(--transition);
        }
        .faq-q i {
            color: var(--text-light);
            transition: var(--transition);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 1.4rem;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding: 0 1.4rem 1.2rem;
        }
        .faq-a p {
            color: var(--text-soft);
            font-size: 0.9rem;
            line-height: 1.7;
            border-top: 1px dashed var(--border);
            padding-top: 0.9rem;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 5rem 0;
            background: linear-gradient(120deg, rgba(212, 0, 31, 0.95), rgba(163, 0, 24, 0.92)), url('/assets/images/backpic/back-1.png') center / cover;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            left: 10%;
            top: -80%;
            width: 320px;
            height: 320px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: clamp(1.8rem, 3.6vw, 2.6rem);
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.9);
            max-width: 560px;
            margin: 0 auto 1.8rem;
            font-size: 1rem;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 0.9rem;
            flex-wrap: wrap;
        }
        .cta-note {
            margin-top: 1.4rem;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.82rem;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 4rem 0 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2.8rem;
        }
        .footer-brand .logo {
            margin-bottom: 1rem;
        }
        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand .logo-text span {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            line-height: 1.7;
            max-width: 420px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.88rem;
            padding: 0.35rem 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 0.3rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.6rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.7rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1024px) {
            .section {
                padding: 4.5rem 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-card-large {
                flex-direction: column;
            }
            .news-card-large .news-card-media img {
                height: 220px;
            }
        }

        @media screen and (max-width: 768px) {
            .header-inner {
                flex-wrap: nowrap;
                min-height: 68px;
            }
            .logo-text {
                font-size: 1rem;
            }
            .logo-text span {
                font-size: 0.65rem;
            }
            .main-nav {
                position: fixed;
                top: 0;
                right: -15rem;
                width: 14rem;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 5rem 1.5rem 2rem;
                gap: 0.4rem;
                box-shadow: -8px 0 30px rgba(0, 0, 0, 0.12);
                transition: right 0.35s ease;
                z-index: 200;
            }
            .main-nav.open {
                right: 0;
            }
            .main-nav a {
                width: 100%;
                font-size: 1rem;
                padding: 0.7rem 1rem;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .header-actions .btn {
                display: none;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .timeline-card {
                flex-wrap: wrap;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media screen and (max-width: 520px) {
            .section {
                padding: 3.5rem 0;
            }
            .header-inner {
                gap: 0.5rem;
            }
            .logo-icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }
            .logo-text {
                font-size: 0.92rem;
            }
            .logo-badge {
                display: none;
            }
            .hero-search {
                width: 100%;
            }
            .timeline {
                padding-left: 1.6rem;
            }
            .timeline-item::before,
            .timeline-item::after {
                left: -1.6rem;
            }
            .timeline-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.5rem;
            }
        }

/* roulang page: category2 */
/* ============ 设计变量 ============ */
    :root {
      --primary: #d4002b;
      --primary-dark: #a80022;
      --primary-soft: #fff0f2;
      --gold: #c9a063;
      --ink: #0e1220;
      --ink-2: #151c30;
      --bg: #f4f5f9;
      --card: #ffffff;
      --text: #1b2130;
      --muted: #68758e;
      --line: #e6e8ef;
      --r-lg: 20px;
      --r-md: 14px;
      --r-sm: 8px;
      --sh-sm: 0 4px 16px rgba(14, 18, 32, .06);
      --sh-md: 0 12px 34px rgba(14, 18, 32, .1);
      --sh-lg: 0 26px 60px rgba(14, 18, 32, .16);
      --tr: .25s cubic-bezier(.4, 0, .2, 1);
    }

    /* ============ 基础 Reset ============ */
    *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "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; }
    a { color: var(--primary); text-decoration: none; transition: color var(--tr); }
    a:hover { color: var(--primary-dark); }
    button { cursor: pointer; font-family: inherit; }
    ul { list-style: none; }

    a:focus-visible, button:focus-visible {
      outline: 3px solid rgba(212, 0, 43, .35);
      outline-offset: 2px;
      border-radius: 4px;
    }

    /* ============ 工具类 ============ */
    .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
    .section { padding: 5.5rem 0; }
    .section-alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      background: var(--primary-soft);
      color: var(--primary);
      font-size: .8rem;
      font-weight: 700;
      letter-spacing: .12em;
      padding: .4rem 1rem;
      border-radius: 999px;
      margin-bottom: 1rem;
    }
    .section-title { font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 800; line-height: 1.3; color: var(--ink); }
    .section-sub { color: var(--muted); max-width: 680px; margin-top: .8rem; font-size: 1.02rem; }

    /* ============ 按钮 ============ */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .55rem;
      padding: .85rem 1.7rem;
      border-radius: 999px;
      font-weight: 700;
      font-size: .95rem;
      border: 2px solid transparent;
      transition: all var(--tr);
      white-space: nowrap;
    }
    .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 22px rgba(212, 0, 43, .3); }
    .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-3px); box-shadow: 0 12px 30px rgba(212, 0, 43, .38); }
    .btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .7); }
    .btn-ghost:hover { background: rgba(255, 255, 255, .12); color: #fff; border-color: #fff; transform: translateY(-3px); }
    .btn-light { background: #fff; color: var(--ink); box-shadow: var(--sh-md); }
    .btn-light:hover { background: var(--primary-soft); color: var(--primary); transform: translateY(-3px); }
    .btn-sm { padding: .55rem 1.15rem; font-size: .87rem; }

    /* ============ Header ============ */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(14, 18, 32, .92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }
    .header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: .9rem 1.5rem; max-width: 1280px; margin: 0 auto; }
    .logo { display: inline-flex; align-items: center; gap: .8rem; }
    .logo-icon {
      width: 44px; height: 44px; border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      display: flex; align-items: center; justify-content: center;
      color: #fff; font-size: 1.25rem;
      box-shadow: 0 6px 18px rgba(212, 0, 43, .35);
    }
    .logo-text { font-size: 1.15rem; font-weight: 800; color: #fff; line-height: 1.2; display: flex; flex-direction: column; }
    .logo-text span { font-size: .68rem; font-weight: 500; color: rgba(255, 255, 255, .65); letter-spacing: .06em; }
    .main-nav { display: flex; align-items: center; gap: .4rem; }
    .main-nav a {
      color: rgba(255, 255, 255, .78);
      padding: .55rem 1.05rem;
      border-radius: 999px;
      font-size: .93rem;
      font-weight: 600;
      transition: all var(--tr);
    }
    .main-nav a:hover { color: #fff; background: rgba(255, 255, 255, .1); }
    .main-nav a.active { color: #fff; background: var(--primary); box-shadow: 0 6px 18px rgba(212, 0, 43, .35); }
    .header-actions { display: flex; align-items: center; gap: .8rem; }
    .menu-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid rgba(255,255,255,.2); background: transparent; color: #fff; font-size: 1.2rem; }
    .header-cta { background: var(--primary); color: #fff; padding: .55rem 1.3rem; border-radius: 999px; font-weight: 700; font-size: .88rem; box-shadow: 0 6px 18px rgba(212,0,43,.3); transition: all var(--tr); }
    .header-cta:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); }

    /* ============ Hero ============ */
    .page-hero {
      position: relative;
      background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
      padding: 7rem 0 5.5rem;
      color: #fff;
      isolation: isolate;
    }
    .page-hero::before {
      content: "";
      position: absolute; inset: 0;
      background: linear-gradient(120deg, rgba(10, 13, 24, .92) 20%, rgba(14, 18, 32, .68) 55%, rgba(212, 0, 43, .38) 100%);
      z-index: -1;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      background: rgba(255, 255, 255, .14);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, .25);
      backdrop-filter: blur(6px);
      padding: .4rem 1.1rem;
      border-radius: 999px;
      font-size: .82rem;
      font-weight: 600;
      letter-spacing: .08em;
      margin-bottom: 1.3rem;
    }
    .page-hero h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 900; line-height: 1.25; margin-bottom: 1.1rem; }
    .page-hero .hero-desc { max-width: 640px; font-size: 1.06rem; color: rgba(255, 255, 255, .82); margin-bottom: 2rem; }
    .hero-actions { display: flex; gap: .9rem; flex-wrap: wrap; }
    .hero-stats {
      display: flex;
      gap: 2.2rem;
      flex-wrap: wrap;
      margin-top: 3.2rem;
      padding-top: 1.8rem;
      border-top: 1px solid rgba(255, 255, 255, .2);
    }
    .hero-stat strong { display: block; font-size: 1.6rem; font-weight: 800; line-height: 1.3; color: var(--gold); }
    .hero-stat span { font-size: .82rem; color: rgba(255, 255, 255, .7); }

    /* ============ 卡片通用 ============ */
    .card {
      background: var(--card);
      border-radius: var(--r-lg);
      padding: 1.8rem;
      box-shadow: var(--sh-sm);
      border: 1px solid var(--line);
      transition: all var(--tr);
      height: 100%;
    }
    .card:hover { transform: translateY(-6px); box-shadow: var(--sh-md); border-color: rgba(212, 0, 43, .2); }
    .card-icon {
      width: 56px; height: 56px;
      border-radius: 16px;
      background: var(--primary-soft);
      color: var(--primary);
      display: flex; align-items: center; justify-content: center;
      font-size: 1.35rem;
      margin-bottom: 1.2rem;
      transition: all var(--tr);
    }
    .card:hover .card-icon { background: var(--primary); color: #fff; transform: scale(1.05); }
    .card h3 { font-size: 1.15rem; font-weight: 700; color: var(--ink); margin-bottom: .6rem; }
    .card p { color: var(--muted); font-size: .93rem; }

    /* ============ 概览区块 ============ */
    .overview-grid { margin-top: 2.6rem; }
    .overview-card { padding: 2rem 1.8rem; }

    /* ============ 权益等级 ============ */
    .tier-section { background: var(--ink); color: #fff; }
    .tier-section .section-title { color: #fff; }
    .tier-section .section-sub { color: rgba(255, 255, 255, .7); }
    .tier-grid { margin-top: 2.8rem; }
    .tier-card { position: relative; padding: 2.2rem 2rem; background: var(--ink-2); border: 1px solid rgba(255, 255, 255, .1); border-radius: var(--r-lg); height: 100%; transition: all var(--tr); overflow: hidden; }
    .tier-card:hover { transform: translateY(-6px); border-color: rgba(201, 160, 99, .45); box-shadow: 0 22px 50px rgba(0, 0, 0, .35); }
    .tier-card.hot { background: linear-gradient(150deg, #1d2440, #281525); border-color: rgba(212, 0, 43, .6); }
    .tier-tag {
      position: absolute; top: 18px; right: -34px;
      background: var(--gold); color: var(--ink);
      font-size: .72rem; font-weight: 800;
      transform: rotate(38deg);
      padding: .3rem 2.6rem;
      letter-spacing: .08em;
    }
    .tier-name { font-size: 1.25rem; font-weight: 800; color: var(--gold); margin-bottom: .4rem; }
    .tier-desc { font-size: .88rem; color: rgba(255, 255, 255, .65); margin-bottom: 1.4rem; }
    .tier-price { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 1.4rem; }
    .tier-price small { font-size: .8rem; color: rgba(255, 255, 255, .5); font-weight: 400; }
    .tier-list { display: grid; gap: .7rem; }
    .tier-list li { display: flex; gap: .6rem; font-size: .9rem; color: rgba(255, 255, 255, .82); align-items: flex-start; }
    .tier-list i { color: var(--gold); margin-top: .3rem; font-size: .8rem; }
    .tier-action { margin-top: 1.8rem; width: 100%; }

    /* ============ 流程 ============ */
    .process-section { position: relative; }
    .process-steps { margin-top: 3rem; position: relative; }
    .process-steps::before {
      content: "";
      position: absolute;
      top: 38px; left: 7%; right: 7%;
      height: 3px;
      background: linear-gradient(90deg, var(--primary), var(--gold), var(--primary));
      border-radius: 3px;
      opacity: .35;
    }
    .step-item { text-align: center; padding: 0 1rem; position: relative; }
    .step-num {
      width: 76px; height: 76px;
      margin: 0 auto 1.2rem;
      border-radius: 50%;
      background: var(--card);
      border: 3px solid var(--primary);
      box-shadow: var(--sh-md), 0 0 0 6px var(--primary-soft);
      display: flex; align-items: center; justify-content: center;
      font-size: 1.5rem; font-weight: 900; color: var(--primary);
      position: relative;
      z-index: 2;
      transition: all var(--tr);
    }
    .step-item:hover .step-num { background: var(--primary); color: #fff; transform: scale(1.08); }
    .step-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: .4rem; color: var(--ink); }
    .step-item p { font-size: .85rem; color: var(--muted); max-width: 180px; margin: 0 auto; }

    /* ============ 特色服务 ============ */
    .feature-card { padding: 0; overflow: hidden; }
    .feature-card .feat-img { height: 190px; overflow: hidden; position: relative; }
    .feature-card .feat-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
    .feature-card:hover .feat-img img { transform: scale(1.07); }
    .feature-card .feat-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(10, 13, 24, .65)); }
    .feature-card .feat-count {
      position: absolute; left: 1rem; bottom: 1rem;
      color: #fff; font-size: .8rem; font-weight: 700;
      background: rgba(212, 0, 43, .9);
      padding: .28rem .85rem;
      border-radius: 999px;
      z-index: 2;
    }
    .feature-card .feat-body { padding: 1.6rem 1.6rem 1.8rem; }
    .feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; color: var(--ink); }
    .feature-card p { font-size: .9rem; color: var(--muted); }
    .feature-link { margin-top: 1rem; display: inline-flex; align-items: center; gap: .4rem; font-size: .88rem; font-weight: 700; color: var(--primary); }
    .feature-link i { transition: transform var(--tr); }
    .feature-link:hover i { transform: translateX(4px); }

    /* ============ FAQ ============ */
    .faq-wrap { max-width: 840px; margin: 2.6rem auto 0; display: grid; gap: .9rem; }
    .faq-item { background: var(--card); border-radius: var(--r-md); border: 1px solid var(--line); box-shadow: var(--sh-sm); overflow: hidden; transition: all var(--tr); }
    .faq-item:hover { border-color: rgba(212, 0, 43, .25); box-shadow: var(--sh-md); }
    .faq-item details > summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.15rem 1.4rem; cursor: pointer; font-weight: 700; color: var(--ink); font-size: .98rem; }
    .faq-item details > summary::-webkit-details-marker { display: none; }
    .faq-item details > summary::after { content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: .8rem; color: var(--primary); transition: transform var(--tr); flex-shrink: 0; }
    .faq-item details[open] > summary::after { transform: rotate(180deg); }
    .faq-body { padding: 0 1.4rem 1.3rem; color: var(--muted); font-size: .92rem; }

    /* ============ CTA ============ */
    .cta-band {
      position: relative;
      background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
      padding: 5.5rem 0;
      text-align: center;
      color: #fff;
      isolation: isolate;
    }
    .cta-band::before { content: ""; position: absolute; inset: 0; background: rgba(10, 13, 24, .82); z-index: -1; }
    .cta-band h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 900; margin-bottom: .8rem; }
    .cta-band p { max-width: 560px; margin: 0 auto 2rem; color: rgba(255, 255, 255, .8); font-size: 1rem; }
    .cta-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

    /* ============ Footer ============ */
    .site-footer { background: var(--ink); color: rgba(255, 255, 255, .72); padding: 4rem 0 0; }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr .9fr .9fr;
      gap: 3rem;
      padding-bottom: 2.5rem;
      border-bottom: 1px solid rgba(255, 255, 255, .1);
    }
    .footer-brand .logo { margin-bottom: 1.1rem; }
    .footer-brand p { font-size: .9rem; line-height: 1.8; color: rgba(255, 255, 255, .6); max-width: 380px; }
    .footer-col h4 { color: #fff; font-size: .95rem; font-weight: 700; margin-bottom: 1.1rem; letter-spacing: .06em; }
    .footer-col a { display: block; color: rgba(255, 255, 255, .62); font-size: .88rem; padding: .3rem 0; transition: all var(--tr); }
    .footer-col a:hover { color: var(--gold); transform: translateX(4px); }
    .footer-bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: 1.4rem 0; font-size: .82rem; color: rgba(255, 255, 255, .4); }

    /* ============ 响应式 ============ */
    @media (max-width: 1024px) {
      .section { padding: 4.2rem 0; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .process-steps::before { display: none; }
      .step-item { margin-bottom: 1.8rem; }
    }

    @media (max-width: 768px) {
      .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
      .main-nav {
        position: fixed;
        top: 72px; left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        background: var(--ink);
        padding: 1rem 1.5rem 1.4rem;
        gap: .4rem;
        transform: translateY(-18px);
        opacity: 0;
        visibility: hidden;
        transition: all .3s ease;
        border-bottom: 1px solid rgba(255, 255, 255, .1);
        z-index: 99;
      }
      .main-nav.nav-open { transform: translateY(0); opacity: 1; visibility: visible; }
      .main-nav a { padding: .8rem 1.1rem; font-size: 1rem; border-radius: 12px; }
      .main-nav a.active { justify-content: center; }
      .header-cta { display: none; }
      .page-hero { padding: 4.5rem 0 3.5rem; text-align: center; }
      .hero-desc { margin-left: auto; margin-right: auto; }
      .hero-actions { justify-content: center; }
      .hero-stats { justify-content: center; gap: 1.4rem; }
      .hero-stat strong { font-size: 1.3rem; }
      .section-alt { padding: 3.8rem 0; }
      .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }

    @media (max-width: 520px) {
      body { font-size: 15px; }
      .header-inner { padding: .75rem 1rem; }
      .logo-text { font-size: 1rem; }
      .logo-text span { font-size: .6rem; }
      .btn { width: 100%; }
      .hero-actions { flex-direction: column; }
      .page-hero h1 { font-size: 1.75rem; }
      .overview-card { padding: 1.5rem; }
      .tier-card { padding: 1.8rem 1.6rem; }
      .section-title { font-size: 1.6rem; }
      .faq-item details > summary { font-size: .9rem; }
    }

    .grid-container { max-width: 1200px; }