/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #c9a86a;
  --primary-dark: #a9853f;
  --primary-light: #f2e5c4;
  --secondary: #0e1c30;
  --secondary-light: #1b3048;
  --bg: #f5f7fb;
  --bg-white: #ffffff;
  --text: #182334;
  --text-light: #6b7a8e;
  --border: #e0e7f0;
  --radius: 20px;
  --radius-sm: 12px;
  --radius-lg: 32px;
  --shadow-sm: 0 4px 20px rgba(13, 28, 52, 0.06);
  --shadow: 0 16px 44px rgba(13, 28, 52, 0.10);
  --shadow-lg: 0 30px 70px rgba(13, 28, 52, 0.14);
  --gold: linear-gradient(135deg, #f7e3a7 0%, #d9b269 55%, #ba9142 100%);
  --transition: 0.25s ease;
  --container: 1240px;
}

/* ========== 基础 Reset ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), background var(--transition), box-shadow var(--transition);
}
img {
  max-width: 100%;
  display: block;
}
ul, ol {
  list-style: none;
}
button, input {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== 导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 0 0;
}
.nav-dock {
  max-width: 1180px;
  margin: 0 auto;
  padding: 8px 12px 8px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(8, 20, 38, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 100px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 10px 36px rgba(2, 10, 30, 0.20);
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--secondary);
  font-size: 18px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 17px;
  font-weight: 700;
}
.logo-sub {
  display: block;
  font-size: 11px;
  opacity: 0.7;
  font-weight: 400;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 9px 18px;
  border-radius: 100px;
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}
.btn-go {
  padding: 10px 24px;
  border-radius: 100px;
  background: var(--gold);
  color: var(--secondary);
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 6px 18px rgba(200, 168, 106, 0.35);
  transition: all var(--transition);
}
.btn-go:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(200, 168, 106, 0.5);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  flex-shrink: 0;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 720px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #071524 0%, #102741 60%, #0b1a2e 100%);
  overflow: hidden;
  padding: 150px 0 110px;
  margin-top: -86px;
  z-index: 1;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.25;
  z-index: 1;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 21, 36, 0.92) 0%, rgba(7, 21, 36, 0.6) 60%, rgba(7, 21, 36, 0.3) 100%);
  z-index: 2;
}
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 760px;
  margin-left: 0;
  color: #fff;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 26px;
  backdrop-filter: blur(8px);
}
.hero-badge i {
  color: var(--primary);
}
.hero h1 {
  font-size: 58px;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: 2px;
  margin-bottom: 20px;
  background: linear-gradient(120deg, #fff 20%, #f7e3a7 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 18px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 34px;
  max-width: 620px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 34px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-gold {
  background: var(--gold);
  color: var(--secondary);
  box-shadow: 0 8px 30px rgba(200, 168, 106, 0.4);
}
.btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(200, 168, 106, 0.55);
}
.btn-outline-light {
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.7);
  transform: translateY(-3px);
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}
.hero-meta i {
  color: var(--primary);
}

/* ========== 通用区块 ========== */
.section {
  padding: 96px 0;
}
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 100px;
  background: rgba(200, 168, 106, 0.12);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: 38px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-head p {
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.8;
}
.section-head .divider {
  width: 56px;
  height: 4px;
  border-radius: 4px;
  background: var(--gold);
  margin: 18px auto 0;
}

/* ========== 亮点卡片 ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold);
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(200, 168, 106, 0.18), rgba(200, 168, 106, 0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--primary-dark);
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.feature-card p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.8;
}

/* ========== 状态倒计时区 ========== */
.status-section {
  background: linear-gradient(135deg, #0d1e35 0%, #162c47 100%);
  position: relative;
  overflow: hidden;
}
.status-section::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 168, 106, 0.25) 0%, transparent 70%);
}
.status-section .section-head h2 {
  color: #fff;
}
.status-section .section-head p {
  color: rgba(255, 255, 255, 0.6);
}
.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 2;
}
.status-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: all var(--transition);
}
.status-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-6px);
}
.status-card .num {
  font-size: 42px;
  font-weight: 900;
  color: var(--primary);
  font-family: "Times New Roman", serif;
  letter-spacing: 2px;
}
.status-card .label {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  margin-top: 8px;
}
.status-card .desc {
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
  margin-top: 6px;
}

/* ========== 分类入口 ========== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.category-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  min-height: 380px;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.category-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover img {
  transform: scale(1.05);
}
.category-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(7, 15, 28, 0.85) 100%);
}
.category-card-content {
  position: relative;
  z-index: 2;
  padding: 36px;
  color: #fff;
  width: 100%;
}
.category-card-content .cat-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(200, 168, 106, 0.25);
  border: 1px solid rgba(200, 168, 106, 0.5);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-light);
  margin-bottom: 14px;
}
.category-card-content h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 10px;
}
.category-card-content p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 18px;
  max-width: 360px;
}
.category-card-content .link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-light);
  border-bottom: 1px solid rgba(200, 168, 106, 0.5);
  padding-bottom: 4px;
}

/* ========== 最新资讯 ========== */
.news-section {
  background: var(--bg-white);
}
.news-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 36px;
  align-items: start;
}

/* Featured */
.featured-post {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  background: var(--bg-white);
}
.featured-post:hover {
  box-shadow: var(--shadow-lg);
}
.featured-post-img {
  height: 280px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.featured-post-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(7, 15, 28, 0.5) 100%);
}
.featured-post-body {
  padding: 30px;
}
.featured-post-body .meta-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.badge-gold {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 100px;
  background: rgba(200, 168, 106, 0.15);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
}
.post-date {
  font-size: 13px;
  color: var(--text-light);
}
.featured-post-body h3 {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.5;
  margin-bottom: 12px;
}
.featured-post-body h3 a:hover {
  color: var(--primary-dark);
}
.featured-post-body p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 22px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* News list */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.post-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 22px;
  background: var(--bg);
  border-radius: 16px;
  border-left: 3px solid var(--primary);
  transition: all var(--transition);
}
.post-row:hover {
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  transform: translateX(6px);
}
.post-row-cat {
  flex-shrink: 0;
  min-width: 72px;
  padding: 4px 12px;
  border-radius: 8px;
  background: rgba(200, 168, 106, 0.15);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
}
.post-row-body {
  flex: 1;
  min-width: 0;
}
.post-row-body h4 {
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.post-row-body h4 a:hover {
  color: var(--primary-dark);
}
.post-row-body p {
  font-size: 13px;
  color: var(--text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.post-row-meta {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-light);
}
.post-row-meta a {
  color: var(--primary-dark);
  font-weight: 600;
  white-space: nowrap;
}
.post-row-meta a:hover {
  text-decoration: underline;
}
.empty-box {
  grid-column: 1 / -1;
  padding: 60px;
  text-align: center;
  background: var(--bg);
  border-radius: var(--radius);
  color: var(--text-light);
  font-size: 15px;
}

/* ========== 数据统计 ========== */
.stats-section {
  background: linear-gradient(135deg, #f5f7fb 0%, #eef2f8 100%);
  position: relative;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 40px 24px;
  background: transparent;
}
.stat-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--bg-white);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary-dark);
}
.stat-num {
  font-size: 44px;
  font-weight: 900;
  color: var(--text);
  letter-spacing: 1px;
}
.stat-unit {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-left: 4px;
}
.stat-label {
  color: var(--text-light);
  font-size: 14px;
  margin-top: 6px;
}

/* ========== 流程步骤 ========== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  counter-reset: step;
}
.step-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 44px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  position: relative;
  transition: all var(--transition);
}
.step-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-6px);
}
.step-num {
  width: 52px;
  height: 52px;
  margin: 0 auto 22px;
  border-radius: 16px;
  background: var(--gold);
  color: var(--secondary);
  font-size: 22px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(200, 168, 106, 0.3);
}
.step-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.step-card p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.9;
}
.step-arrow {
  position: absolute;
  right: -24px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 20px;
  z-index: 2;
}
.step-card:last-child .step-arrow {
  display: none;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg);
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--bg-white);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid transparent;
  transition: all var(--transition);
}
.faq-item:hover {
  border-color: rgba(200, 168, 106, 0.4);
}
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  transition: all var(--transition);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary i {
  color: var(--primary-dark);
  font-size: 18px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item[open] summary i {
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 28px 24px;
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.9;
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 100px 0;
  overflow: hidden;
  text-align: center;
}
.cta-section .cta-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7, 15, 28, 0.9), rgba(16, 39, 65, 0.85));
  z-index: 1;
}
.cta-content {
  position: relative;
  z-index: 2;
  color: #fff;
}
.cta-content .section-tag {
  background: rgba(200, 168, 106, 0.2);
  color: var(--primary-light);
}
.cta-content h2 {
  font-size: 40px;
  font-weight: 900;
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-content p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto 32px;
}
.cta-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========== 页脚 ========== */
.site-footer {
  background: #0a1728;
  color: rgba(255, 255, 255, 0.6);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .logo-mark {
  width: 34px;
  height: 34px;
  font-size: 15px;
}
.footer-about {
  font-size: 14px;
  line-height: 1.9;
  max-width: 360px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  background: var(--gold);
  border-radius: 3px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: all var(--transition);
}
.footer-col a:hover {
  color: var(--primary-light);
  padding-left: 6px;
}
.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}
.footer-bottom span {
  margin: 0 8px;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero h1 {
    font-size: 44px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 260px;
    background: rgba(10, 24, 42, 0.97);
    flex-direction: column;
    padding: 80px 24px 40px;
    gap: 8px;
    border-radius: 24px 0 0 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    z-index: 30;
  }
  .site-header.nav-open .nav-links {
    transform: translateX(0);
  }
  .nav-links a {
    width: 100%;
    text-align: center;
    padding: 14px;
    font-size: 16px;
  }
  .nav-cta .btn-go {
    display: none;
  }
  .hero {
    padding: 120px 0 80px;
    min-height: 600px;
  }
  .hero h1 {
    font-size: 36px;
  }
  .hero-desc {
    font-size: 16px;
  }
  .news-layout {
    grid-template-columns: 1fr;
  }
  .categories-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .step-arrow {
    display: none;
  }
  .section-head h2 {
    font-size: 30px;
  }
  .cta-content h2 {
    font-size: 30px;
  }
  .status-grid {
    grid-template-columns: 1fr;
  }
  .post-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 18px;
  }
  .post-row-meta {
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .logo-text {
    font-size: 15px;
  }
  .hero h1 {
    font-size: 30px;
  }
  .cta-btns {
    flex-direction: column;
    width: 100%;
  }
  .cta-btns .btn {
    width: 100%;
    justify-content: center;
  }
}

/* roulang page: article */
/* ============ 设计变量 ============ */
        :root {
            --primary: #0f6efd;
            --primary-dark: #0a5bd6;
            --primary-light: #e8f0fe;
            --accent: #ffb800;
            --accent-soft: #fff6e0;
            --bg: #f7f9fc;
            --bg-dark: #0b1220;
            --bg-deep: #0d1526;
            --surface: #ffffff;
            --surface-soft: #f0f4fa;
            --text: #182235;
            --text-secondary: #5b6b85;
            --text-muted: #8b98af;
            --border: #e4e9f2;
            --border-light: #eef1f7;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-full: 999px;
            --shadow-sm: 0 2px 8px rgba(17, 24, 39, 0.04);
            --shadow-md: 0 8px 30px rgba(17, 24, 39, 0.08);
            --shadow-lg: 0 20px 50px rgba(17, 24, 39, 0.12);
            --space-section: 80px;
            --max-width: 1200px;
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
        }

        /* ============ 基础重置 ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        input,
        textarea {
            font-family: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
        }

        /* ============ 容器 ============ */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: sticky;
            top: 18px;
            z-index: 1000;
            padding: 0 24px;
            pointer-events: none;
        }
        .site-header .container {
            max-width: 1100px;
            padding: 0;
        }
        .nav-dock {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-full);
            padding: 12px 28px;
            box-shadow: var(--shadow-lg);
            pointer-events: auto;
            max-width: 100%;
            transition: var(--transition);
        }
        .nav-dock:hover {
            box-shadow: 0 24px 60px rgba(17, 24, 39, 0.15);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #4a86ff);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(15, 110, 253, 0.35);
        }
        .logo-text {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.2px;
            color: var(--text);
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 12px;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-go {
            background: linear-gradient(135deg, var(--primary), #4a86ff);
            color: #fff;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 16px rgba(15, 110, 253, 0.3);
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-go:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 110, 253, 0.4);
        }
        .btn-go:active {
            transform: translateY(0);
        }
        .btn-go i {
            font-size: 13px;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--primary);
            color: #fff;
        }

        /* 移动端导航 */
        @media (max-width: 900px) {
            .nav-dock {
                flex-wrap: wrap;
                padding: 12px 18px;
                border-radius: var(--radius-lg);
            }
            .nav-links {
                order: 3;
                width: 100%;
                margin: 12px 0 0;
                padding-top: 12px;
                border-top: 1px solid var(--border-light);
                flex-direction: column;
                align-items: stretch;
                display: none;
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                text-align: center;
            }
            .nav-cta {
                margin-left: auto;
            }
            .nav-toggle {
                display: flex;
            }
        }
        @media (max-width: 520px) {
            .site-header {
                top: 10px;
                padding: 0 12px;
            }
            .nav-dock {
                padding: 10px 14px;
            }
            .logo-text {
                font-size: 16px;
                max-width: 140px;
                overflow: hidden;
                text-overflow: ellipsis;
            }
            .btn-go {
                padding: 8px 16px;
                font-size: 13px;
            }
            .logo-mark {
                width: 36px;
                height: 36px;
                font-size: 16px;
            }
        }

        /* ============ 文章页内容 ============ */
        .article-page {
            padding: 48px 0 var(--space-section);
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: var(--primary);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 40px;
            align-items: start;
        }
        .article-main {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 48px;
            box-shadow: var(--shadow-sm);
        }
        .article-category-tag {
            display: inline-flex;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            margin-bottom: 20px;
        }
        .article-title {
            font-size: 32px;
            line-height: 1.4;
            margin-bottom: 20px;
            color: var(--text);
            letter-spacing: -0.3px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            margin-bottom: 32px;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text-muted);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--primary);
        }
        .article-hero-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: var(--shadow-md);
        }
        .article-hero-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: var(--transition);
        }
        .article-content {
            font-size: 16.5px;
            line-height: 1.9;
            color: #37415a;
        }
        .article-content p {
            margin-bottom: 20px;
        }
        .article-content h2 {
            font-size: 24px;
            margin: 32px 0 16px;
            padding-left: 16px;
            border-left: 4px solid var(--primary);
        }
        .article-content h3 {
            font-size: 20px;
            margin: 28px 0 14px;
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 20px;
            padding-left: 24px;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content a {
            color: var(--primary);
            border-bottom: 1px solid rgba(15, 110, 253, 0.3);
        }
        .article-content a:hover {
            border-color: var(--primary);
        }
        .article-content blockquote {
            background: var(--primary-light);
            border-left: 4px solid var(--primary);
            padding: 20px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            font-style: normal;
            color: var(--text-secondary);
        }
        .article-content code {
            background: var(--surface-soft);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 14px;
            color: var(--primary-dark);
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            font-size: 15px;
        }
        .article-content th {
            background: var(--bg-dark);
            color: #fff;
            padding: 14px 18px;
            text-align: left;
            font-weight: 600;
        }
        .article-content td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--border-light);
        }
        .article-content tr:nth-child(even) td {
            background: var(--surface-soft);
        }

        /* 文章未找到 */
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .article-not-found .nf-icon {
            font-size: 60px;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .article-not-found h1 {
            font-size: 28px;
            margin-bottom: 16px;
        }
        .article-not-found p {
            color: var(--text-secondary);
            margin-bottom: 28px;
        }
        .btn-home {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: var(--radius-full);
            font-weight: 600;
            box-shadow: 0 4px 18px rgba(15, 110, 253, 0.3);
            transition: var(--transition);
        }
        .btn-home:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ============ 文章侧边栏 ============ */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
            position: sticky;
            top: 100px;
        }
        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 18px;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3 i {
            color: var(--primary);
        }
        .sidebar-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list li:hover {
            padding-left: 6px;
        }
        .sidebar-list .num {
            width: 30px;
            height: 30px;
            border-radius: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .sidebar-list .side-item-title {
            font-size: 14.5px;
            font-weight: 500;
            line-height: 1.5;
            color: var(--text);
        }
        .sidebar-list .side-item-title:hover {
            color: var(--primary);
        }
        .sidebar-contact-card {
            background: linear-gradient(135deg, var(--bg-dark), #1a2a4a);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .sidebar-contact-card::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 184, 0, 0.2);
        }
        .sidebar-contact-card h3 {
            color: #fff;
            font-size: 20px;
            margin-bottom: 12px;
        }
        .sidebar-contact-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            line-height: 1.6;
            margin-bottom: 20px;
        }
        .sidebar-contact-card .btn-go {
            background: var(--accent);
            color: var(--bg-dark);
            width: 100%;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(255, 184, 0, 0.3);
        }
        .sidebar-contact-card .btn-go:hover {
            box-shadow: 0 8px 24px rgba(255, 184, 0, 0.4);
        }

        /* ============ CTA 区块 ============ */
        .article-cta {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #16233d 50%, #1d2f4f 100%);
            border-radius: var(--radius-lg);
            padding: 48px;
            margin-top: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .article-cta::before {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(15, 110, 253, 0.3), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .article-cta-content h2 {
            color: #fff;
            font-size: 24px;
            margin-bottom: 10px;
        }
        .article-cta-content p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
        }
        .article-cta .btn-go {
            flex-shrink: 0;
            background: var(--accent);
            color: var(--bg-dark);
            box-shadow: 0 4px 16px rgba(255, 184, 0, 0.3);
            font-weight: 700;
        }
        .article-cta .btn-go:hover {
            box-shadow: 0 8px 28px rgba(255, 184, 0, 0.45);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .logo-mark {
            background: linear-gradient(135deg, var(--primary), #4a86ff);
        }
        .footer-about {
            font-size: 14.5px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 18px;
            font-weight: 600;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14.5px;
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .footer-bottom span {
            opacity: 0.4;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 4px;
            }
        }

        /* ============ 移动端适配 ============ */
        @media (max-width: 900px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
                align-items: stretch;
            }
            .sidebar-card {
                flex: 1;
                min-width: 260px;
            }
            .article-cta {
                flex-direction: column;
                text-align: center;
                padding: 36px 28px;
            }
            .article-main {
                padding: 32px;
            }
        }
        @media (max-width: 520px) {
            .article-page {
                padding: 24px 0 48px;
            }
            .article-main {
                padding: 24px 18px;
                border-radius: var(--radius-md);
            }
            .article-title {
                font-size: 24px;
            }
            .article-meta {
                gap: 10px;
                flex-direction: column;
                align-items: flex-start;
            }
            .article-hero-image img {
                height: 200px;
            }
            .article-content {
                font-size: 15.5px;
            }
            .article-content h2 {
                font-size: 20px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .article-cta {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .article-cta-content h2 {
                font-size: 20px;
            }
            .article-cta-content p {
                font-size: 14px;
            }
            .article-cta .btn-go {
                width: 100%;
                justify-content: center;
            }
            .sidebar-card {
                min-width: 100%;
            }
            .footer-brand {
                font-size: 17px;
            }
            .footer-about {
                font-size: 13.5px;
            }
        }

        /* 焦点状态 */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(15, 110, 253, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* 相关推荐文章 */
        .related-posts {
            margin-top: 48px;
            padding-top: 40px;
            border-top: 1px solid var(--border-light);
        }
        .related-posts h3 {
            font-size: 20px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: var(--transition);
            display: block;
        }
        .related-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 110, 253, 0.2);
        }
        .related-item .related-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            margin-bottom: 12px;
            font-weight: 600;
        }
        .related-item h4 {
            font-size: 15px;
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-item .related-date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        @media (max-width: 900px) {
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0e1a35;
            --primary-light: #1b2a4d;
            --primary-dark: #080f22;
            --accent: #d4a642;
            --accent-light: #e8c765;
            --accent-dark: #b8892e;
            --bg: #f6f4ef;
            --bg-white: #ffffff;
            --bg-dark: #0b1428;
            --text-main: #1e1e2e;
            --text-light: #6b7280;
            --text-muted: #9ca3af;
            --border: #e6e1d8;
            --border-light: #f0eee9;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 12px rgba(14, 26, 53, .06);
            --shadow-md: 0 8px 30px rgba(14, 26, 53, .10);
            --shadow-lg: 0 20px 50px rgba(14, 26, 53, .16);
            --transition: all .3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 100px;
        }

        body {
            font-family: "Inter", system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            color: var(--text-main);
            background: var(--bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-pad {
            padding: 96px 0;
        }

        /* ========== 通用按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #101828;
            font-size: 15px;
            font-weight: 600;
            text-decoration: none;
            box-shadow: 0 8px 24px rgba(212, 166, 66, .35);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, .2);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(212, 166, 66, .45);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-primary:focus-visible,
        .btn-ghost:focus-visible,
        .btn-go:focus-visible {
            outline: 3px solid rgba(212, 166, 66, .5);
            outline-offset: 3px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .08);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            text-decoration: none;
            border: 1px solid rgba(255, 255, 255, .2);
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .16);
            border-color: rgba(255, 255, 255, .4);
        }

        .btn-lg {
            padding: 16px 44px;
            font-size: 16px;
        }

        /* ========== 头部 / 浮动 Dock 导航 ========== */
        .site-header {
            position: sticky;
            top: 14px;
            z-index: 1000;
            padding: 8px 0;
            pointer-events: none;
        }

        .site-header .container {
            pointer-events: auto;
        }

        .nav-dock {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: rgba(13, 20, 40, .92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 64px;
            padding: 10px 20px 10px 16px;
            box-shadow: 0 12px 40px rgba(10, 18, 36, .28);
            transition: var(--transition);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #101828;
            font-size: 16px;
            box-shadow: 0 4px 14px rgba(212, 166, 66, .35);
        }

        .logo-text {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .5px;
            white-space: nowrap;
        }

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

        .nav-links a {
            padding: 8px 18px;
            border-radius: 999px;
            color: rgba(255, 255, 255, .72);
            font-size: 14px;
            font-weight: 500;
            text-decoration: none;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .nav-links a.active {
            color: #101828;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(212, 166, 66, .35);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-go {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 22px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #101828;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            box-shadow: 0 6px 18px rgba(212, 166, 66, .3);
            transition: var(--transition);
        }

        .btn-go:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(212, 166, 66, .42);
        }

        .btn-go:active {
            transform: translateY(0);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, .15);
            color: #fff;
            font-size: 16px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, .1);
        }

        /* ========== 页面 Banner ========== */
        .page-hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(8, 15, 34, .92) 0%, rgba(14, 26, 53, .82) 50%, rgba(14, 26, 53, .6) 100%);
        }

        .page-hero-inner {
            position: relative;
            z-index: 2;
            padding: 120px 0 110px;
            max-width: 760px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 999px;
            background: rgba(212, 166, 66, .15);
            border: 1px solid rgba(212, 166, 66, .4);
            color: var(--accent-light);
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 1px;
            margin-bottom: 24px;
        }

        .page-hero h1 {
            font-size: clamp(36px, 5vw, 56px);
            line-height: 1.2;
            color: #fff;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 18px;
        }

        .page-hero h1 span {
            color: var(--accent-light);
        }

        .page-hero .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, .85);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 640px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            color: rgba(255, 255, 255, .6);
            font-size: 13px;
        }

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

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

        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            margin-bottom: 28px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .75);
            transition: var(--transition);
        }

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

        .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, .35);
        }

        /* ========== 数据统计条 ========== */
        .stats-bar {
            position: relative;
            z-index: 5;
            margin-top: -40px;
            padding-bottom: 20px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1px;
            background: var(--border);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .stat-item {
            background: var(--bg-white);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
        }

        .stat-item:hover {
            background: #fffdf8;
        }

        .stat-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -1px;
        }

        .stat-num span {
            font-size: 18px;
            color: var(--accent);
            font-weight: 700;
            margin-left: 2px;
        }

        .stat-label {
            margin-top: 6px;
            font-size: 13px;
            color: var(--text-light);
            letter-spacing: 1px;
        }

        /* ========== 区块头部通用 ========== */
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(212, 166, 66, .12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
            border: 1px solid rgba(212, 166, 66, .25);
        }

        .section-head h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 14px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
        }

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

        .section-head.light p {
            color: rgba(255, 255, 255, .7);
        }

        .section-head.light .section-tag {
            background: rgba(212, 166, 66, .2);
            border-color: rgba(212, 166, 66, .5);
        }

        /* ========== 指南卡片网格 ========== */
        .guide-cards {
            background: var(--bg);
        }

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

        .guide-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(212, 166, 66, .3);
        }

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

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

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

        .guide-card-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8, 15, 34, .45), transparent 60%);
        }

        .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 14px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #101828;
            font-size: 12px;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
        }

        .card-tag.hot {
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
        }

        .guide-card-body {
            padding: 26px 26px 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .guide-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .guide-card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
            flex: 1;
            margin-bottom: 18px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
            transition: var(--transition);
        }

        .card-link i {
            transition: transform .3s ease;
        }

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

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

        /* ========== 访问流程 ========== */
        .access-steps {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .access-steps::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 15, 34, .94), rgba(8, 15, 34, .88));
        }

        .access-steps .container {
            position: relative;
            z-index: 2;
        }

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

        .step-item {
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            text-align: center;
            backdrop-filter: blur(10px);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .step-item::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0;
            transition: var(--transition);
        }

        .step-item:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-4px);
        }

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

        .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #101828;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 8px 24px rgba(212, 166, 66, .3);
        }

        .step-item h3 {
            font-size: 18px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            line-height: 1.75;
        }

        /* ========== 内容列表 ========== */
        .guide-list {
            background: var(--bg);
        }

        .list-wrap {
            max-width: 860px;
            margin: 0 auto;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }

        .list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 22px 28px;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }

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

        .list-item:hover {
            background: #fffdf8;
            padding-left: 32px;
        }

        .list-badge {
            flex-shrink: 0;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            background: rgba(212, 166, 66, .12);
            color: var(--accent-dark);
            border: 1px solid rgba(212, 166, 66, .25);
        }

        .list-badge.new {
            background: rgba(16, 185, 129, .1);
            color: #059669;
            border-color: rgba(16, 185, 129, .25);
        }

        .list-content {
            flex: 1;
        }

        .list-content h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 3px;
            transition: var(--transition);
        }

        .list-item:hover .list-content h3 {
            color: var(--accent-dark);
        }

        .list-content p {
            font-size: 13px;
            color: var(--text-light);
        }

        .list-arrow {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-light);
            font-size: 13px;
            transition: var(--transition);
        }

        .list-item:hover .list-arrow {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #101828;
        }

        /* ========== 入口状态监测 ========== */
        .status-monitor {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

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

        .status-card {
            background: var(--bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            text-align: center;
            transition: var(--transition);
        }

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

        .status-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            display: inline-block;
            margin-bottom: 4px;
            box-shadow: 0 0 0 4px rgba(16, 185, 129, .12);
        }

        .status-card.ok .status-dot {
            background: #10b981;
        }

        .status-card.warn .status-dot {
            background: #f59e0b;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, .12);
        }

        .status-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
        }

        .status-card p {
            font-size: 14px;
            color: var(--text-light);
        }

        .status-card.ok p {
            color: #059669;
            font-weight: 600;
        }

        .status-card.warn p {
            color: #d97706;
            font-weight: 600;
        }

        /* ========== FAQ ========== */
        .faq {
            background: var(--bg);
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-item:hover {
            border-color: rgba(212, 166, 66, .35);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 26px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            list-style: none;
            transition: var(--transition);
        }

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

        .faq-item summary i {
            font-size: 14px;
            color: var(--accent);
            transition: transform .3s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary i {
            transform: rotate(45deg);
        }

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

        .faq-answer {
            padding: 0 26px 22px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
            animation: fadeIn .3s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-6px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: -60%;
            left: 50%;
            transform: translateX(-50%);
            width: 700px;
            height: 700px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 166, 66, .12), transparent 65%);
            pointer-events: none;
        }

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

        .cta-box h2 {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .cta-box p {
            font-size: 15px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 32px;
        }

        .cta-note {
            display: block;
            margin-top: 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 64px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-about {
            font-size: 14px;
            color: rgba(255, 255, 255, .5);
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, .5);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }

        .footer-bottom {
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, .06);
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
            text-align: center;
        }

        .footer-bottom span {
            opacity: .5;
        }

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

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

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

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

            .stats-grid .stat-item:nth-child(3) {
                border-top: 1px solid var(--border);
            }

            .stats-grid .stat-item:nth-child(4) {
                border-top: 1px solid var(--border);
            }
        }

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

            .page-hero-inner {
                padding: 100px 0 90px;
            }

            .nav-dock {
                border-radius: 24px;
                padding: 12px 16px;
            }

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

            .nav-links {
                position: absolute;
                top: calc(100% + 14px);
                left: 0;
                right: 0;
                display: none;
                flex-direction: column;
                gap: 4px;
                background: rgba(13, 20, 40, .98);
                border: 1px solid rgba(255, 255, 255, .1);
                border-radius: 20px;
                padding: 16px;
                box-shadow: 0 24px 48px rgba(0, 0, 0, .35);
                backdrop-filter: blur(20px);
            }

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

            .nav-links a {
                width: 100%;
                text-align: center;
                font-size: 15px;
                padding: 12px;
            }

            .logo-text {
                font-size: 14px;
            }

            .btn-go {
                padding: 8px 16px;
                font-size: 13px;
            }

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

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

            .status-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

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

            .list-item {
                flex-wrap: wrap;
                gap: 10px;
            }

            .list-arrow {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .section-pad {
                padding: 48px 0;
            }

            .page-hero {
                min-height: 420px;
            }

            .page-hero-inner {
                padding: 84px 0 76px;
            }

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

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                justify-content: center;
            }

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

            .stat-item {
                padding: 24px 14px;
            }

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

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

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

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

            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }

            .footer-bottom span {
                display: none;
            }

            .faq-item summary {
                padding: 16px 18px;
                font-size: 14px;
            }

            .faq-answer {
                padding: 0 18px 18px;
            }

            .list-item {
                padding: 16px 18px;
            }

            .list-content h3 {
                font-size: 15px;
            }

            .btn-lg {
                padding: 14px 32px;
                font-size: 15px;
            }
        }

/* roulang page: category2 */
:root {
    --primary: #0b1b3a;
    --primary-2: #13294f;
    --accent: #d4a145;
    --accent-hover: #e0b458;
    --bg: #f4f6fb;
    --bg-deep: #e9eef5;
    --card: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 2px 10px rgba(11,27,58,.06);
    --shadow-md: 0 8px 24px rgba(11,27,58,.08);
    --shadow-lg: 0 16px 40px rgba(11,27,58,.12);
    --transition: .25s ease;
    --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; }
button:focus, a:focus { outline: 2px solid rgba(212,161,69,.55); outline-offset: 2px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 58px; }
.section-eyebrow {
    display: inline-block;
    background: rgba(212,161,69,.12);
    color: #b8862e;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 6px 18px;
    border-radius: 100px;
    text-transform: uppercase;
    margin-bottom: 14px;
}
.section-title { font-size: 34px; font-weight: 800; color: var(--primary); margin: 0 0 14px; letter-spacing: -.5px; line-height: 1.3; }
.section-desc { font-size: 16px; color: var(--text-muted); margin: 0; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    border-radius: 12px;
    padding: 12px 26px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    line-height: 1.5;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(212,161,69,.35); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(212,161,69,.45); }
.btn-ghost { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.65); transform: translateY(-2px); }

/* ===== Header / 悬浮Dock导航 ===== */
.site-header {
    position: sticky;
    top: 14px;
    z-index: 100;
    padding: 0 16px;
}
.nav-dock {
    max-width: 1160px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(255,255,255,.93);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255,255,255,.65);
    border-radius: 20px;
    padding: 12px 20px;
    box-shadow: 0 8px 30px rgba(11,27,58,.12);
    transition: var(--transition);
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--primary); white-space: nowrap; }
.logo-mark {
    width: 36px; height: 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 16px;
    box-shadow: 0 4px 10px rgba(11,27,58,.22);
    flex-shrink: 0;
}
.nav-links { display: flex; gap: 4px; }
.nav-links a {
    padding: 9px 16px;
    border-radius: 11px;
    font-weight: 500;
    font-size: 15px;
    color: var(--text-muted);
    transition: var(--transition);
    white-space: nowrap;
}
.nav-links a:hover { color: var(--primary); background: rgba(11,27,58,.05); }
.nav-links a.active { color: #fff; background: var(--primary); box-shadow: 0 4px 12px rgba(11,27,58,.25); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.btn-go {
    background: var(--accent);
    color: #fff;
    padding: 9px 20px;
    border-radius: 11px;
    font-weight: 700;
    font-size: 14px;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(212,161,69,.3);
    white-space: nowrap;
}
.btn-go:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(212,161,69,.4); }
.nav-toggle { display: none; background: none; border: none; font-size: 20px; color: var(--primary); cursor: pointer; padding: 6px; }

/* ===== Hero ===== */
.page-hero {
    position: relative;
    background: linear-gradient(120deg, rgba(9,20,42,.92) 0%, rgba(15,31,61,.78) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding: 120px 0 170px;
    text-align: center;
    color: #fff;
    border-radius: 0 0 36px 36px;
    overflow: hidden;
}
.hero-orb-1 {
    position: absolute;
    width: 320px; height: 320px;
    border-radius: 50%;
    background: rgba(212,161,69,.38);
    filter: blur(70px);
    top: -90px; right: -80px;
    pointer-events: none;
}
.hero-orb-2 {
    position: absolute;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: rgba(54,112,255,.32);
    filter: blur(70px);
    bottom: -70px; left: -60px;
    pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; }
.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,.65);
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.16);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 26px;
    backdrop-filter: blur(6px);
}
.breadcrumb a { color: rgba(255,255,255,.85); transition: var(--transition); }
.breadcrumb a:hover { color: var(--accent-hover); }
.breadcrumb i { font-size: 10px; color: rgba(255,255,255,.45); }
.page-hero h1 {
    font-size: 52px;
    font-weight: 900;
    margin: 0 0 18px;
    letter-spacing: -1px;
    line-height: 1.2;
    text-shadow: 0 4px 24px rgba(0,0,0,.25);
}
.page-hero .hero-sub {
    font-size: 18px;
    color: rgba(255,255,255,.82);
    max-width: 620px;
    margin: 0 auto 36px;
    line-height: 1.7;
}
.hero-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ===== 悬浮统计 ===== */
.mini-stats { position: relative; z-index: 5; margin-top: -72px; padding-bottom: 24px; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    background: var(--card);
    border-radius: var(--radius-lg);
    padding: 38px 30px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,.85);
}
.stat-card { text-align: center; padding: 8px 0; }
.stat-num {
    font-size: 42px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1.2;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label { font-size: 14px; color: var(--text-muted); margin-top: 8px; }

/* ===== 安全防护体系 ===== */
.security-section { background: var(--bg); }
.h-scroll {
    display: flex;
    gap: 22px;
    overflow-x: auto;
    padding: 8px 4px 22px;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: rgba(11,27,58,.18) transparent;
}
.h-scroll::-webkit-scrollbar { height: 6px; }
.h-scroll::-webkit-scrollbar-track { background: transparent; }
.h-scroll::-webkit-scrollbar-thumb { background: rgba(11,27,58,.16); border-radius: 99px; }
.security-card {
    flex: 0 0 340px;
    scroll-snap-align: start;
    background: var(--card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.security-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.security-card-media {
    position: relative;
    height: 170px;
    overflow: hidden;
}
.security-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.security-card:hover .security-card-media img { transform: scale(1.04); }
.security-card-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 45%, rgba(11,27,58,.35) 100%);
}
.security-card-icon {
    position: absolute;
    left: 20px; bottom: -22px;
    width: 46px; height: 46px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 18px;
    box-shadow: 0 6px 16px rgba(11,27,58,.25);
    z-index: 2;
}
.security-card-body { padding: 34px 22px 26px; }
.security-card-body h3 { margin: 0 0 8px; font-size: 18px; color: var(--primary); font-weight: 700; }
.security-card-body p { margin: 0; font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.scroll-hint {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}
.scroll-hint i { color: var(--accent); }

/* ===== 保护流程 ===== */
.flow-section {
    background: var(--bg-deep);
    position: relative;
}
.flow-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-2.png') center/cover no-repeat fixed;
    opacity: .05;
    pointer-events: none;
}
.flow-section .container { position: relative; z-index: 2; }
.flow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.flow-item {
    background: var(--card);
    border-radius: var(--radius-lg);
    padding: 34px 26px 30px;
    text-align: center;
    position: relative;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.flow-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.flow-step {
    position: absolute;
    top: 18px; right: 20px;
    font-size: 13px;
    font-weight: 800;
    color: rgba(11,27,58,.16);
    letter-spacing: .5px;
}
.flow-icon {
    width: 60px; height: 60px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    margin: 0 auto 20px;
    box-shadow: 0 8px 18px rgba(11,27,58,.18);
}
.flow-item h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin: 0 0 10px; }
.flow-item p { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.65; }

/* ===== 安全等级对照 ===== */
.level-section { background: var(--bg); }
.level-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    align-items: stretch;
    margin-top: 40px;
}
.level-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 38px 30px 32px;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.level-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.level-card.recommended {
    border-color: var(--accent);
    box-shadow: 0 12px 32px rgba(212,161,69,.16);
}
.recommend-tag {
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 18px;
    border-radius: 100px;
    box-shadow: 0 4px 10px rgba(212,161,69,.35);
    white-space: nowrap;
}
.level-name { font-size: 14px; font-weight: 700; color: var(--accent); letter-spacing: 1px; margin-bottom: 6px; }
.level-card h3 { font-size: 24px; font-weight: 800; color: var(--primary); margin: 0 0 12px; }
.level-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 22px; line-height: 1.65; }
.level-list { gap: 0; list-style: none; margin-bottom: 26px; flex: 1; }
.level-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    color: var(--text);
    padding: 7px 0;
    line-height: 1.55;
}
.level-list i { color: var(--accent); margin-top: 4px; font-size: 13px; }
.level-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: 12px;
    padding: 11px 18px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    border: 1px solid var(--border);
    color: var(--primary);
    background: var(--bg);
}
.level-card.recommended .level-cta {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 6px 16px rgba(212,161,69,.3);
}
.level-cta:hover { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateY(-2px); }
.level-card.recommended .level-cta:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-deep); }
.faq-wrap { max-width: 840px; margin: 0 auto; }
.faq-item {
    background: var(--card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item.active { border-color: var(--accent); box-shadow: var(--shadow-sm); }
.faq-item-toggle {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: none;
    border: none;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition);
}
.faq-item-toggle:hover { color: var(--accent); }
.faq-arrow {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(212,161,69,.12);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--accent);
    transition: transform .3s ease, background .3s ease;
}
.faq-item.active .faq-arrow { transform: rotate(45deg); background: var(--accent); color: #fff; }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding .35s ease;
    padding: 0 24px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
    border-top: 0 solid var(--border);
}
.faq-item.active .faq-answer {
    max-height: 400px;
    padding: 4px 24px 22px;
    border-top-width: 1px;
}

/* ===== CTA ===== */
.cta-section {
    position: relative;
    background: linear-gradient(120deg, rgba(9,20,42,.94) 0%, rgba(15,31,61,.84) 100%), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    padding: 100px 0;
    text-align: center;
    color: #fff;
    overflow: hidden;
}
.cta-title { font-size: 38px; font-weight: 900; margin: 0 0 16px; letter-spacing: -0.5px; }
.cta-desc { font-size: 17px; color: rgba(255,255,255,.8); max-width: 620px; margin: 0 auto 34px; line-height: 1.7; }
.cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer {
    background: var(--primary);
    color: rgba(255,255,255,.65);
}
.site-footer .container { padding-top: 60px; }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 44px;
    padding-bottom: 44px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}
.footer-brand .logo-mark {
    width: 38px; height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--primary-2));
}
.footer-about { font-size: 14px; line-height: 1.8; max-width: 380px; margin: 0; }
.footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin: 6px 0 18px;
    letter-spacing: .5px;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a {
    font-size: 14px;
    color: rgba(255,255,255,.6);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.footer-col ul a:hover { color: var(--accent-hover); padding-left: 4px; }
.footer-bottom {
    padding: 22px 0;
    font-size: 13px;
    color: rgba(255,255,255,.42);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    text-align: center;
}
.footer-bottom span { opacity: .4; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .section { padding: 80px 0; }
    .section-title { font-size: 30px; }
    .page-hero h1 { font-size: 42px; }
    .flow-grid { grid-template-columns: repeat(2, 1fr); }
    .level-cards { grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .level-card { padding: 30px 22px 26px; }
}

@media (max-width: 768px) {
    .site-header { top: 10px; padding: 0 12px; }
    .nav-dock { padding: 10px 14px; border-radius: 16px; }
    .logo-text { font-size: 15px; }
    .nav-links {
        display: none;
        position: absolute;
        top: calc(100% + 8px);
        left: 12px;
        right: 12px;
        flex-direction: column;
        background: rgba(255,255,255,.97);
        backdrop-filter: blur(18px);
        border-radius: 16px;
        padding: 12px;
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--border);
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 11px 16px; border-radius: 10px; }
    .nav-toggle { display: block; }
    .btn-go { display: none; }
    .page-hero { padding: 100px 0 150px; }
    .page-hero h1 { font-size: 34px; }
    .page-hero .hero-sub { font-size: 16px; }
    .mini-stats { margin-top: -56px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; padding: 28px 20px; }
    .stat-num { font-size: 34px; }
    .flow-grid { grid-template-columns: 1fr; }
    .level-cards { grid-template-columns: 1fr; max-width: 440px; margin: 40px auto 0; }
    .recommend-tag { position: static; transform: none; display: inline-block; margin-bottom: 12px; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; padding-bottom: 30px; }
    .cta-title { font-size: 30px; }
    .cta-section { padding: 80px 0; }
    .section { padding: 68px 0; }
    .section-title { font-size: 27px; }
    .security-card { flex: 0 0 285px; }
    .footer-bottom { flex-direction: column; gap: 4px; }
}

@media (max-width: 520px) {
    .container { padding: 0 16px; }
    .nav-dock { gap: 10px; }
    .logo-mark { width: 32px; height: 32px; font-size: 14px; border-radius: 10px; }
    .page-hero { padding: 84px 0 130px; border-radius: 0 0 26px 26px; }
    .page-hero h1 { font-size: 30px; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .stats-grid { grid-template-columns: 1fr 1fr; padding: 22px 16px; gap: 12px; }
    .stat-num { font-size: 30px; }
    .flow-item { padding: 26px 20px 24px; }
    .level-card { padding: 28px 20px 24px; }
    .faq-item-toggle { font-size: 15px; padding: 17px 18px; }
    .faq-answer { padding: 0 18px; }
    .faq-item.active .faq-answer { padding: 4px 18px 20px; }
    .cta-title { font-size: 26px; }
    .footer-bottom { font-size: 12px; }
}