/* roulang page: index */
/* ============ 设计变量 ============ */
:root {
  --primary: #8b5cf6;
  --primary-dark: #6d28d9;
  --primary-light: #a78bfa;
  --secondary: #f59e0b;
  --accent: #22d3ee;
  --accent-green: #34d399;
  --bg-deep: #030712;
  --bg-body: #0a0f1e;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --bg-soft: rgba(139, 92, 246, 0.12);
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.14);
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-bright: #f8fafc;
  --radius: 18px;
  --radius-lg: 26px;
  --radius-sm: 12px;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 28px 55px rgba(139, 92, 246, 0.18);
  --transition: all 0.3s ease;
  --font-sans: -apple-system, BlinkMacSystemFont, "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-body);
  color: var(--text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

input:focus,
button:focus,
a:focus {
  outline: 2px solid var(--primary-light);
  outline-offset: 3px;
}

/* ============ 布局容器 ============ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 768px) {
  .container {
    padding: 0 18px;
  }
}

.section {
  padding: 80px 0;
}

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

.section-tight {
  padding: 64px 0;
}

/* ============ 导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 18px 0 12px;
  background: linear-gradient(to bottom, rgba(3, 7, 18, 0.92), rgba(3, 7, 18, 0.75));
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 10px 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px 8px 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(139, 92, 246, 0.4);
}

.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-bright);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.brand-text em {
  font-style: normal;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

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

.nav-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  border-radius: 14px;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 14.5px;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
}

.nav-card i {
  font-size: 15px;
  color: var(--text-muted);
  transition: var(--transition);
}

.nav-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-light);
  color: var(--text-bright);
  transform: translateY(-1px);
}

.nav-card:hover i {
  color: var(--primary-light);
}

.nav-card.active {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.22), rgba(34, 211, 238, 0.12));
  border-color: rgba(139, 92, 246, 0.35);
  color: var(--text-bright);
  box-shadow: 0 4px 14px rgba(139, 92, 246, 0.2);
}

.nav-card.active i {
  color: var(--primary-light);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  width: 44px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-bright);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 991px) {
  .nav-panel {
    flex-wrap: wrap;
  }

  .nav-links {
    order: 3;
    flex-basis: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    margin: 6px 0 0;
  }

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

  .nav-card {
    justify-content: flex-start;
    padding: 12px 16px;
  }

  .nav-actions {
    display: none;
    order: 4;
    flex-basis: 100%;
    margin-top: 4px;
  }

  .nav-actions.is-open {
    display: flex;
  }

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

  .nav-toggle {
    display: flex;
    margin-left: auto;
  }
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 50px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(139, 92, 246, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 6px 14px rgba(139, 92, 246, 0.3);
}

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

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

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

.btn-ghost {
  background: rgba(139, 92, 246, 0.14);
  color: var(--primary-light);
}

.btn-ghost:hover {
  background: rgba(139, 92, 246, 0.24);
  color: #fff;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13.5px;
  border-radius: 40px;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: 120px 0 100px;
  background: linear-gradient(135deg, rgba(3, 7, 18, 0.88), rgba(10, 15, 30, 0.72)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color: #fff;
}

.hero-inner {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50px;
  padding: 8px 18px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 24px;
  backdrop-filter: blur(6px);
}

.hero-kicker i {
  font-size: 14px;
}

.hero-title {
  font-size: 58px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.01em;
  color: #fff;
  margin-bottom: 18px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--primary-light), var(--accent) 60%, var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(226, 232, 240, 0.88);
  margin-bottom: 36px;
  font-weight: 400;
}

.hero-keywords {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}

.hero-keyword {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 8px 16px;
  font-size: 13px;
  color: rgba(226, 232, 240, 0.85);
}

.hero-keyword i {
  color: var(--secondary);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-info-bar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 22px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  padding: 14px 28px;
  font-size: 13.5px;
  color: rgba(226, 232, 240, 0.8);
  backdrop-filter: blur(8px);
}

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

.hero-info-bar i {
  color: var(--secondary);
}

@media (max-width: 768px) {
  .hero {
    padding: 80px 0 60px;
  }

  .hero-title {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-info-bar {
    gap: 10px;
    padding: 12px 18px;
    font-size: 12.5px;
  }
}

@media (max-width: 520px) {
  .hero-title {
    font-size: 30px;
  }

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

/* ============ 板块标题 ============ */
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-eyebrow {
  display: inline-block;
  background: var(--bg-soft);
  border: 1px solid rgba(139, 92, 246, 0.28);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--primary-light);
  margin-bottom: 14px;
}

.section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--text-bright);
  line-height: 1.25;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}

.section-sub {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
}

.section-head-line {
  width: 56px;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  margin: 0 auto 0;
  border: none;
}

.text-center .section-head-line {
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 27px;
  }
}

/* ============ 核心说明 ============ */
.features-section {
  position: relative;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

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

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

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

.feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(34, 211, 238, 0.18));
  border: 1px solid rgba(139, 92, 246, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary-light);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-muted);
  margin: 0;
}

/* ============ 分类入口 ============ */
.category-card {
  display: flex;
  align-items: stretch;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(139, 92, 246, 0.35);
}

.category-media {
  flex: 0 0 40%;
  position: relative;
  min-height: 220px;
  overflow: hidden;
}

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

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

.category-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(3, 7, 18, 0.5), transparent 60%);
}

.category-content {
  flex: 1;
  padding: 30px 28px;
  display: flex;
  flex-direction: column;
}

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  background: var(--bg-soft);
  border: 1px solid rgba(139, 92, 246, 0.25);
  color: var(--primary-light);
  border-radius: 50px;
  padding: 5px 14px;
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: 14px;
}

.category-content h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 10px;
}

.category-content p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 20px;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-light);
  font-size: 14px;
  font-weight: 600;
}

.category-link:hover {
  color: var(--accent);
  gap: 12px;
}

@media (max-width: 768px) {
  .category-card {
    flex-direction: column;
  }

  .category-media {
    min-height: 180px;
  }

  .category-content {
    padding: 24px;
  }
}

/* ============ 数据统计 ============ */
.stats-section {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(34, 211, 238, 0.06)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  position: relative;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(3, 7, 18, 0.82);
}

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

.stat-item {
  text-align: center;
  padding: 36px 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(6px);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  transform: translateY(-4px);
}

.stat-icon {
  font-size: 26px;
  color: var(--secondary);
  margin-bottom: 12px;
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--text-bright);
  line-height: 1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text-bright), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
}

@media (max-width: 991px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-number {
    font-size: 34px;
  }
}

/* ============ 最新发布 ============ */
.news-section {
  position: relative;
}

.news-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 36px;
  align-items: start;
}

@media (max-width: 991px) {
  .news-layout {
    grid-template-columns: 1fr;
  }

  .news-side {
    display: none;
  }
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: var(--transition);
}

.news-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(139, 92, 246, 0.3);
  transform: translateX(6px);
}

.news-item-cat {
  flex-shrink: 0;
  background: var(--bg-soft);
  border: 1px solid rgba(139, 92, 246, 0.22);
  color: var(--primary-light);
  font-size: 12px;
  font-weight: 600;
  border-radius: 50px;
  padding: 4px 14px;
  margin-top: 3px;
  white-space: nowrap;
}

.news-item-main h3 {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 6px;
  line-height: 1.45;
}

.news-item-main h3 a {
  color: inherit;
}

.news-item-main h3 a:hover {
  color: var(--primary-light);
}

.news-item-main p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item-meta {
  font-size: 12.5px;
  color: rgba(148, 163, 184, 0.8);
  display: flex;
  align-items: center;
  gap: 6px;
}

.news-empty {
  background: var(--bg-card);
  border: 1px dashed var(--border-light);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
}

.news-side-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.news-side-img {
  position: relative;
}

.news-side-img img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.news-side-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(3, 7, 18, 0.7), transparent);
}

.news-side-body {
  padding: 24px;
}

.news-side-body h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.news-side-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

/* ============ 活动排期 ============ */
.events-section {
  background: var(--bg-deep);
}

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

@media (max-width: 991px) {
  .events-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin: 0 auto;
  }
}

.event-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  transition: var(--transition);
}

.event-card:hover {
  transform: translateY(-6px);
  border-color: rgba(139, 92, 246, 0.4);
  box-shadow: var(--shadow-hover);
  background: var(--bg-card-hover);
}

.event-top {
  display: flex;
  align-items: center;
  gap: 14px;
}

.event-date-box {
  width: 62px;
  height: 68px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 8px 20px rgba(139, 92, 246, 0.35);
}

.event-month {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.event-day {
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.event-title-wrap h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 4px;
}

.event-title-wrap p {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.event-title-wrap p i {
  color: var(--secondary);
}

.event-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  flex: 1;
}

.event-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed var(--border-light);
  padding-top: 16px;
}

.seat-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 50px;
  padding: 5px 14px;
}

.seat-tag.seat-ok {
  color: var(--accent-green);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.seat-tag.seat-few {
  color: var(--secondary);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.seat-tag.seat-wait {
  color: var(--accent);
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.3);
}

/* ============ 观测地点 ============ */
.spots-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 991px) {
  .spots-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }
}

.spot-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.spot-card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: var(--shadow-hover);
}

.spot-img {
  position: relative;
  height: 180px;
  overflow: hidden;
}

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

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

.spot-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(3, 7, 18, 0.6), transparent);
}

.spot-tag {
  position: absolute;
  bottom: 12px;
  left: 14px;
  background: rgba(3, 7, 18, 0.7);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-bright);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 50px;
  z-index: 2;
}

.spot-body {
  padding: 20px;
}

.spot-body h3 {
  font-size: 16.5px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 6px;
}

.spot-body p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

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

.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.accordion {
  --bs-accordion-bg: transparent;
  --bs-accordion-color: var(--text-main);
  --bs-accordion-border-width: 0;
  --bs-accordion-border-radius: 0px;
  --bs-accordion-inner-border-radius: 0px;
  --bs-accordion-btn-padding-x: 24px;
  --bs-accordion-btn-padding-y: 20px;
  --bs-accordion-btn-color: var(--text-bright);
  --bs-accordion-btn-bg: transparent;
  --bs-accordion-btn-icon: none;
  --bs-accordion-btn-active-icon: none;
  --bs-accordion-btn-focus-border-color: transparent;
  --bs-accordion-btn-focus-box-shadow: none;
  --bs-accordion-body-padding-x: 24px;
  --bs-accordion-body-padding-y: 0 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius) !important;
  transition: var(--transition);
}

.accordion-item:hover {
  border-color: rgba(139, 92, 246, 0.35);
}

.accordion-button {
  font-size: 16px;
  font-weight: 600;
  border: none;
  position: relative;
}

.accordion-button::after {
  content: '\f107';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 18px;
  color: var(--primary-light);
  transition: var(--transition);
}

.accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
  color: var(--secondary);
}

.accordion-button:not(.collapsed) {
  color: var(--text-bright);
  background: transparent;
  box-shadow: none;
}

.accordion-body {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

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

.cta-card {
  position: relative;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.16), rgba(34, 211, 238, 0.08)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  text-align: center;
  overflow: hidden;
}

@media (max-width: 768px) {
  .cta-card {
    padding: 40px 24px;
  }
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(3, 7, 18, 0.72);
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 620px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.3;
}

.cta-inner p {
  font-size: 15.5px;
  color: rgba(226, 232, 240, 0.85);
  margin-bottom: 28px;
  line-height: 1.7;
}

.cta-form {
  display: flex;
  gap: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50px;
  padding: 8px 8px 8px 22px;
  backdrop-filter: blur(8px);
  max-width: 480px;
  margin: 0 auto 14px;
}

.cta-form input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 14.5px;
}

.cta-form input::placeholder {
  color: rgba(226, 232, 240, 0.6);
}

.cta-form input:focus {
  outline: none;
  box-shadow: none;
}

.form-tip {
  font-size: 13px !important;
  color: rgba(226, 232, 240, 0.6) !important;
  margin-bottom: 0 !important;
}

@media (max-width: 520px) {
  .cta-form {
    flex-direction: column;
    background: transparent;
    border: none;
    padding: 0;
  }

  .cta-form input {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 50px;
    padding: 14px 20px;
    text-align: center;
  }
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 64px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand .brand-icon {
  width: 38px;
  height: 38px;
  font-size: 16px;
}

.footer-brand .brand-text {
  font-size: 19px;
}

.footer-about {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--bg-soft);
  border-color: rgba(139, 92, 246, 0.4);
  color: var(--primary-light);
  transform: translateY(-3px);
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

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

.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a i {
  font-size: 11px;
  color: var(--primary-light);
  transition: var(--transition);
}

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

.footer-links a:hover i {
  transform: translateX(3px);
}

.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-list li {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact-list i {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 13px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-copy {
  font-size: 13.5px;
  color: var(--text-muted);
}

.footer-domain {
  font-size: 13.5px;
  color: rgba(148, 163, 184, 0.6);
  font-weight: 500;
}

@media (max-width: 520px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ============ 通用工具 ============ */
.divider {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
  margin: 0;
}

.rounded-img {
  border-radius: var(--radius);
}

/* ============ 打印与减少动效 ============ */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* roulang page: category1 */
:root {
      --primary: #7a6ff0;
      --primary-dark: #5b4fd6;
      --primary-light: #9d94f7;
      --accent: #ffb86b;
      --accent-soft: #ffd88a;
      --success: #4ecdc4;
      --danger: #ff6b6b;
      --bg-body: #0b0b1a;
      --bg-panel: #131327;
      --bg-elevated: #1a1a33;
      --bg-card: rgba(255, 255, 255, 0.045);
      --bg-card-hover: rgba(255, 255, 255, 0.08);
      --text-main: #f0edf8;
      --text-muted: #b4aec6;
      --text-faint: #827d97;
      --border: rgba(255, 255, 255, 0.09);
      --border-strong: rgba(255, 255, 255, 0.16);
      --radius-xlg: 28px;
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.25);
      --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.35);
      --shadow-lg: 0 28px 65px rgba(0, 0, 0, 0.5);
      --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text-main);
      background-color: var(--bg-body);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--accent); }
    img { max-width: 100%; height: auto; display: block; }
    button, input, textarea, select { font-family: inherit; }

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

    /* ========== HEADER / NAV ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      padding: 14px 0 0;
      background: transparent;
    }

    .nav-panel {
      display: flex;
      align-items: center;
      gap: 20px;
      background: rgba(18, 18, 39, 0.82);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid var(--border-strong);
      border-radius: 999px;
      padding: 8px 12px 8px 18px;
      box-shadow: var(--shadow-md);
      transition: var(--transition);
    }

    .nav-panel:hover { box-shadow: var(--shadow-lg); border-color: rgba(255, 255, 255, 0.22); }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      white-space: nowrap;
      flex-shrink: 0;
      letter-spacing: 0.02em;
    }

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

    .brand-icon {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      border-radius: 12px;
      color: #fff;
      font-size: 1rem;
      box-shadow: 0 4px 14px rgba(122, 111, 240, 0.4);
    }

    .brand-text { font-weight: 800; }
    .brand-text em {
      font-style: normal;
      color: var(--accent);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
      margin: 0 auto;
    }

    .nav-card {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 18px;
      border-radius: 999px;
      color: var(--text-muted);
      font-size: 0.9rem;
      font-weight: 500;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
      background: transparent;
    }

    .nav-card i { font-size: 0.85rem; opacity: 0.8; }

    .nav-card:hover {
      color: var(--text-main);
      background: rgba(255, 255, 255, 0.1);
      transform: translateY(-1px);
    }

    .nav-card.active {
      color: #fff;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      border-color: rgba(255, 255, 255, 0.12);
      box-shadow: 0 4px 16px rgba(122, 111, 240, 0.35);
    }

    .nav-card.active i { color: var(--accent-soft); }

    .nav-actions { flex-shrink: 0; }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--border-strong);
      background: rgba(255, 255, 255, 0.06);
      border-radius: 12px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      cursor: pointer;
      transition: var(--transition);
      flex-shrink: 0;
    }

    .nav-toggle:hover { background: rgba(255, 255, 255, 0.12); }
    .nav-toggle span {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--text-main);
      border-radius: 2px;
      transition: var(--transition);
    }

    .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
    .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

    /* ========== BUTTONS ========== */
    .btn {
      border-radius: 999px;
      padding: 10px 24px;
      font-weight: 600;
      font-size: 0.95rem;
      border: 1px solid transparent;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      justify-content: center;
      line-height: 1.4;
    }

    .btn:focus, .btn:focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(122, 111, 240, 0.4);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: #fff;
      border-color: rgba(255, 255, 255, 0.12);
      box-shadow: 0 6px 20px rgba(122, 111, 240, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(122, 111, 240, 0.5);
      color: #fff;
    }

    .btn-primary:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(122, 111, 240, 0.3); }

    .btn-accent {
      background: linear-gradient(135deg, var(--accent), var(--accent-soft));
      color: #2d1a00;
      border-color: rgba(255, 255, 255, 0.2);
      box-shadow: 0 6px 20px rgba(255, 184, 107, 0.35);
      font-weight: 700;
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(255, 184, 107, 0.5);
      color: #1d1000;
    }

    .btn-outline {
      background: transparent;
      border-color: var(--border-strong);
      color: var(--text-main);
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(255, 255, 255, 0.3);
      color: var(--accent);
    }

    .btn-sm { padding: 7px 18px; font-size: 0.85rem; }

    .btn-lg { padding: 14px 34px; font-size: 1.05rem; }

    /* ========== HERO ========== */
    .category-hero {
      position: relative;
      padding: 110px 0 110px;
      background-size: cover;
      background-position: center;
      background-attachment: fixed;
      color: #fff;
      text-align: center;
      overflow: hidden;
    }

    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11,11,26,0.72) 0%, rgba(11,11,26,0.5) 40%, rgba(11,11,26,0.88) 100%);
      z-index: 1;
    }

    .category-hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(/%23n)' opacity='0.35'/%3E%3C/svg%3E");
      opacity: 0.08;
      z-index: 1;
      pointer-events: none;
    }

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

    .breadcrumb-nav {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      color: var(--text-muted);
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border);
      border-radius: 999px;
      padding: 6px 16px;
      margin-bottom: 28px;
    }

    .breadcrumb-nav a { color: var(--text-muted); }
    .breadcrumb-nav a:hover { color: var(--accent); }
    .breadcrumb-nav i { font-size: 0.6rem; color: var(--text-faint); }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.82rem;
      font-weight: 600;
      letter-spacing: 0.08em;
      color: var(--accent);
      background: rgba(255, 184, 107, 0.12);
      border: 1px solid rgba(255, 184, 107, 0.25);
      border-radius: 999px;
      padding: 6px 16px;
      margin-bottom: 20px;
      text-transform: uppercase;
    }

    .category-hero h1 {
      font-size: 3.2rem;
      font-weight: 800;
      letter-spacing: 0.03em;
      line-height: 1.15;
      margin-bottom: 18px;
      background: linear-gradient(135deg, #ffffff, var(--accent-soft));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-lead {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 560px;
      margin: 0 auto 40px;
      line-height: 1.8;
    }

    .hero-stats {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 36px;
    }

    .stat-item {
      background: rgba(255, 255, 255, 0.07);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 16px 28px;
      backdrop-filter: blur(10px);
      min-width: 130px;
      transition: var(--transition);
    }

    .stat-item:hover {
      background: rgba(255, 255, 255, 0.12);
      transform: translateY(-3px);
      border-color: var(--border-strong);
    }

    .stat-num {
      display: block;
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.2;
    }

    .stat-label { font-size: 0.82rem; color: var(--text-muted); }

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

    /* ========== SECTION COMMON ========== */
    .section { padding: 90px 0; position: relative; }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      color: var(--primary-light);
      background: rgba(122, 111, 240, 0.1);
      border: 1px solid rgba(122, 111, 240, 0.22);
      border-radius: 999px;
      padding: 6px 16px;
      margin-bottom: 14px;
      text-transform: uppercase;
    }

    .section-head {
      text-align: center;
      max-width: 640px;
      margin: 0 auto 56px;
    }

    .section-head h2 {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .section-head p { color: var(--text-muted); font-size: 1rem; }

    .section-sub {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 32px;
    }

    /* ========== TOPIC CARDS ========== */
    .section-topics { background: var(--bg-body); }

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

    .topic-card:hover {
      transform: translateY(-6px);
      background: var(--bg-card-hover);
      border-color: var(--border-strong);
      box-shadow: var(--shadow-md);
    }

    .topic-img {
      position: relative;
      aspect-ratio: 4 / 3;
      overflow: hidden;
    }

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

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

    .topic-img::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 50%, rgba(11,11,26,0.5) 100%);
    }

    .topic-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      z-index: 2;
      background: rgba(11, 11, 26, 0.75);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: var(--accent);
      font-size: 0.75rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 999px;
      letter-spacing: 0.04em;
    }

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

    .topic-body h3 {
      font-size: 1.12rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .topic-body p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.7;
      flex: 1;
      margin-bottom: 16px;
    }

    .topic-link {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary-light);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }

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

    /* ========== STEPS ========== */
    .section-steps {
      background: linear-gradient(180deg, var(--bg-body) 0%, var(--bg-panel) 100%);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .steps-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .step-item {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 30px 24px;
      text-align: center;
      position: relative;
      overflow: hidden;
      transition: var(--transition);
    }

    .step-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      background: var(--bg-card-hover);
      border-color: var(--border-strong);
    }

    .step-num {
      position: absolute;
      top: -10px;
      right: 6px;
      font-size: 4.2rem;
      font-weight: 900;
      color: rgba(255, 255, 255, 0.04);
      line-height: 1;
      pointer-events: none;
      user-select: none;
    }

    .step-icon {
      width: 56px;
      height: 56px;
      margin: 0 auto 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      border-radius: 18px;
      font-size: 1.3rem;
      color: #fff;
      box-shadow: 0 8px 24px rgba(122, 111, 240, 0.35);
      transition: var(--transition);
    }

    .step-item:hover .step-icon {
      transform: scale(1.1) rotate(-6deg);
      box-shadow: 0 12px 30px rgba(122, 111, 240, 0.5);
    }

    .step-item h3 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .step-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin: 0;
    }

    /* ========== SCHEDULE ========== */
    .section-schedule { background: var(--bg-body); }

    .schedule-list { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }

    .schedule-row {
      position: relative;
      display: flex;
      align-items: center;
      gap: 0;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 0;
      overflow: hidden;
      transition: var(--transition);
    }

    .schedule-row:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-strong);
      box-shadow: var(--shadow-md);
      transform: translateX(4px);
    }

    .schedule-date {
      flex-shrink: 0;
      width: 110px;
      text-align: center;
      padding: 24px 16px;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      border-right: 1px dashed rgba(255, 255, 255, 0.25);
      color: #fff;
    }

    .schedule-date .date-day {
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1;
    }

    .schedule-date .date-month {
      font-size: 0.88rem;
      opacity: 0.85;
      font-weight: 500;
      margin-top: 4px;
    }

    .schedule-info {
      flex: 1;
      padding: 20px 24px;
      min-width: 0;
    }

    .schedule-info h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .schedule-location {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin: 0;
      display: flex;
      align-items: center;
      gap: 6px;
    }

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

    .badge {
      display: inline-block;
      font-size: 0.72rem;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 999px;
      letter-spacing: 0.03em;
      margin-top: 6px;
    }

    .badge-hot {
      background: rgba(255, 107, 107, 0.15);
      color: var(--danger);
      border: 1px solid rgba(255, 107, 107, 0.3);
    }

    .badge-new {
      background: rgba(78, 205, 196, 0.15);
      color: var(--success);
      border: 1px solid rgba(78, 205, 196, 0.3);
    }

    .badge-warm {
      background: rgba(255, 184, 107, 0.15);
      color: var(--accent);
      border: 1px solid rgba(255, 184, 107, 0.3);
    }

    .schedule-side {
      flex-shrink: 0;
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      padding: 20px 24px;
      gap: 8px;
      border-left: 1px solid var(--border);
    }

    .seats-left {
      font-size: 0.82rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    .seats-left strong { color: var(--accent); font-weight: 700; }

    /* ========== READINGS ========== */
    .section-readings {
      background: linear-gradient(180deg, var(--bg-body) 0%, var(--bg-panel) 100%);
      border-top: 1px solid var(--border);
    }

    .feature-article {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      min-height: 420px;
      display: flex;
      align-items: flex-end;
      background-size: cover;
      background-position: center;
      border: 1px solid var(--border);
      transition: var(--transition);
    }

    .feature-article:hover {
      transform: scale(1.01);
      box-shadow: var(--shadow-md);
      border-color: var(--border-strong);
    }

    .feature-article::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 0%, rgba(11, 11, 26, 0.6) 60%, rgba(11, 11, 26, 0.95) 100%);
    }

    .feature-content {
      position: relative;
      z-index: 2;
      padding: 30px;
      color: #fff;
    }

    .feature-tag {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      background: rgba(255, 184, 107, 0.2);
      border: 1px solid rgba(255, 184, 107, 0.4);
      color: var(--accent);
      padding: 4px 12px;
      border-radius: 999px;
      margin-bottom: 12px;
    }

    .feature-content h3 {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .feature-content p {
      font-size: 0.88rem;
      opacity: 0.85;
      margin-bottom: 14px;
      max-width: 90%;
    }

    .feature-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 0.82rem;
      opacity: 0.7;
    }

    .reading-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      height: 100%;
    }

    .reading-item {
      display: flex;
      gap: 16px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 14px;
      transition: var(--transition);
      align-items: center;
      flex: 1;
    }

    .reading-item:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-strong);
      transform: translateX(4px);
      box-shadow: var(--shadow-sm);
    }

    .reading-thumb {
      width: 90px;
      height: 90px;
      border-radius: var(--radius-md);
      object-fit: cover;
      flex-shrink: 0;
    }

    .reading-info { flex: 1; min-width: 0; }

    .reading-info .reading-cat {
      font-size: 0.72rem;
      color: var(--primary-light);
      font-weight: 600;
      letter-spacing: 0.04em;
    }

    .reading-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin: 2px 0 6px;
      line-height: 1.5;
      overflow: hidden;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
    }

    .reading-info h4 a { color: inherit; }
    .reading-info h4 a:hover { color: var(--accent); }

    .reading-meta {
      font-size: 0.78rem;
      color: var(--text-faint);
      display: flex;
      gap: 12px;
    }

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

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

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

    .custom-accordion .accordion-item:hover {
      border-color: var(--border-strong) !important;
      background: var(--bg-card-hover);
    }

    .custom-accordion .accordion-button {
      background: transparent;
      color: var(--text-main);
      font-weight: 600;
      font-size: 0.95rem;
      padding: 18px 20px;
      box-shadow: none;
      border-radius: var(--radius-md) !important;
    }

    .custom-accordion .accordion-button::after {
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='%23b4aec6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
      transition: var(--transition);
    }

    .custom-accordion .accordion-button:not(.collapsed) {
      background: rgba(122, 111, 240, 0.08);
      color: var(--primary-light);
    }

    .custom-accordion .accordion-button:not(.collapsed)::after {
      transform: rotate(180deg);
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='%237a6ff0' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
    }

    .custom-accordion .accordion-button:focus {
      box-shadow: 0 0 0 3px rgba(122, 111, 240, 0.2);
      border-color: var(--primary-light);
    }

    .custom-accordion .accordion-body {
      color: var(--text-muted);
      font-size: 0.9rem;
      line-height: 1.8;
      padding: 4px 20px 18px;
      border-top: 1px solid var(--border);
    }

    /* ========== CTA ========== */
    .section-cta {
      padding: 0;
      background: none;
      overflow: hidden;
    }

    .cta-panel {
      position: relative;
      background-size: cover;
      background-position: center;
      border-radius: var(--radius-xlg);
      padding: 70px 40px;
      text-align: center;
      color: #fff;
      border: 1px solid var(--border-strong);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      margin: 0 auto;
      max-width: 1060px;
    }

    .cta-panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(11, 11, 26, 0.7);
    }

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

    .cta-panel h2 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .cta-panel p {
      color: var(--text-muted);
      margin-bottom: 28px;
      font-size: 1.02rem;
    }

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

    /* ========== FOOTER ========== */
    .site-footer {
      background: var(--bg-panel);
      border-top: 1px solid var(--border);
      padding: 70px 0 30px;
      margin-top: 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 1fr;
      gap: 48px;
      padding-bottom: 48px;
      border-bottom: 1px solid var(--border);
      margin-bottom: 28px;
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.2rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }

    .footer-brand .brand-text em { font-style: normal; color: var(--accent); }

    .footer-about {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 20px;
      max-width: 340px;
    }

    .footer-social { display: flex; gap: 10px; }

    .footer-social a {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border);
      border-radius: 12px;
      color: var(--text-muted);
      font-size: 0.95rem;
      transition: var(--transition);
    }

    .footer-social a:hover {
      background: var(--primary);
      color: #fff;
      transform: translateY(-3px);
      border-color: transparent;
      box-shadow: 0 6px 18px rgba(122, 111, 240, 0.4);
    }

    .footer-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      position: relative;
      padding-bottom: 10px;
    }

    .footer-title::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 28px;
      height: 3px;
      background: var(--primary);
      border-radius: 2px;
    }

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

    .footer-links a {
      color: var(--text-muted);
      font-size: 0.88rem;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }

    .footer-links a i { font-size: 0.6rem; color: var(--text-faint); transition: var(--transition); }

    .footer-links a:hover { color: var(--accent); transform: translateX(3px); }
    .footer-links a:hover i { color: var(--accent); }

    .footer-contact-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    .footer-contact-list li { display: flex; align-items: center; gap: 10px; }

    .footer-contact-list i {
      color: var(--primary-light);
      font-size: 0.85rem;
      width: 20px;
      text-align: center;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 10px;
    }

    .footer-copy {
      font-size: 0.84rem;
      color: var(--text-faint);
      margin: 0;
    }

    .footer-domain {
      font-size: 0.84rem;
      color: var(--text-faint);
      margin: 0;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .footer-domain i { color: var(--accent); font-size: 0.7rem; }

    /* ========== RESPONSIVE ========== */
    @media (max-width: 1024px) {
      .nav-panel { border-radius: 20px; flex-wrap: nowrap; }
      .nav-links { gap: 4px; }
      .nav-card { padding: 8px 12px; font-size: 0.82rem; }
      .nav-card i { display: none; }
      .brand-text { font-size: 1.05rem; }
      .nav-actions .btn-sm { font-size: 0.8rem; padding: 6px 14px; }
      .steps-row { grid-template-columns: repeat(2, 1fr); }
      .schedule-row { flex-wrap: wrap; }
      .schedule-date { width: 100%; border-right: none; border-bottom: 1px dashed rgba(255,255,255,0.25); flex-direction: row; gap: 8px; padding: 14px; }
      .schedule-date .date-day { font-size: 1.4rem; }
      .schedule-side { width: 100%; flex-direction: row; justify-content: space-between; align-items: center; border-left: none; border-top: 1px solid var(--border); padding: 14px 20px; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .section { padding: 64px 0; }
      .category-hero { padding: 80px 0; background-attachment: scroll; }
      .category-hero h1 { font-size: 2.2rem; }
      .hero-lead { font-size: 1rem; }

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

      .nav-panel {
        border-radius: 18px;
        flex-wrap: wrap;
        padding: 10px;
      }

      .nav-toggle { display: flex; }

      .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
        padding: 10px 0 4px;
        order: 3;
      }

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

      .nav-card {
        justify-content: flex-start;
        padding: 10px 16px;
        font-size: 0.92rem;
        border-radius: 12px;
      }

      .nav-card i { display: inline-block; width: 20px; text-align: center; }

      .nav-actions { order: 2; margin-left: auto; }
      .nav-actions .btn-sm { font-size: 0.82rem; padding: 6px 16px; }

      .steps-row { grid-template-columns: 1fr; gap: 14px; }
      .hero-stats { gap: 10px; }
      .stat-item { padding: 12px 18px; min-width: 100px; }
      .section-head { margin-bottom: 36px; }
      .section-head h2 { font-size: 1.5rem; }
      .feature-article { min-height: 320px; }
      .footer-grid { grid-template-columns: 1fr; gap: 36px; }
      .footer-bottom { flex-direction: column; text-align: center; }

      .cta-panel { padding: 48px 24px; border-radius: var(--radius-lg); }
      .cta-panel h2 { font-size: 1.5rem; }
      .schedule-row { flex-wrap: wrap; }
      .schedule-info { padding: 16px 18px; }
      .schedule-side { padding: 14px 18px; }

      .reading-item { flex-direction: row; }
      .reading-thumb { width: 70px; height: 70px; }
    }

    @media (max-width: 520px) {
      .container { padding: 0 16px; }
      .brand-text { font-size: 0.95rem; }
      .brand-icon { width: 32px; height: 32px; font-size: 0.85rem; border-radius: 10px; }
      .nav-panel { gap: 8px; padding: 8px; }
      .nav-actions .btn-sm { font-size: 0.75rem; padding: 6px 12px; }
      .nav-actions .btn-sm i { display: inline; }
      .category-hero h1 { font-size: 1.7rem; }
      .hero-lead { font-size: 0.92rem; }
      .hero-stats { gap: 8px; }
      .stat-item { min-width: 85px; padding: 10px 14px; }
      .stat-num { font-size: 1.3rem; }
      .stat-label { font-size: 0.72rem; }
      .btn-lg { padding: 12px 24px; font-size: 0.95rem; }

      .section { padding: 52px 0; }
      .section-head h2 { font-size: 1.3rem; }
      .section-tag { font-size: 0.72rem; padding: 4px 12px; }

      .topic-body { padding: 18px; }
      .feature-content { padding: 20px; }
      .feature-content h3 { font-size: 1.1rem; }
      .reading-thumb { width: 56px; height: 56px; border-radius: 10px; }
      .reading-item { gap: 10px; padding: 10px; }
      .footer-grid { gap: 30px; }
      .footer-social { flex-wrap: wrap; }

      .schedule-date .date-day { font-size: 1.1rem; }
      .schedule-date .date-month { font-size: 0.7rem; }
      .schedule-info h3 { font-size: 0.95rem; }
      .schedule-location { font-size: 0.8rem; }
    }

    /* ========== MISC ========== */
    ::selection { background: rgba(122, 111, 240, 0.4); color: #fff; }

    ::-webkit-scrollbar { width: 10px; }
    ::-webkit-scrollbar-track { background: var(--bg-body); }
    ::-webkit-scrollbar-thumb {
      background: linear-gradient(var(--primary), var(--primary-dark));
      border-radius: 5px;
      border: 2px solid var(--bg-body);
    }
    ::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* roulang page: article */
:root {
  --primary: #2b3a8c;
  --primary-dark: #1d2a6b;
  --primary-light: #4a5fc1;
  --accent: #f5b84c;
  --accent-dark: #d99a26;
  --bg: #f5f6fa;
  --bg-deep: #0d1225;
  --surface: #ffffff;
  --text: #1e2340;
  --text-soft: #5c6280;
  --text-light: #8e93a5;
  --border: #e4e6f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(28, 35, 82, 0.06);
  --shadow-md: 0 8px 24px rgba(28, 35, 82, 0.08);
  --shadow-lg: 0 16px 40px rgba(28, 35, 82, 0.12);
  --transition: 0.25s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--primary);
  text-decoration: none;
}
a:hover {
  color: var(--primary-dark);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  max-width: 1220px;
  margin: 0 auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
.row {
  --bs-gutter-y: 1.5rem;
}

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1080;
  background: rgba(13, 18, 37, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.nav-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: #ffffff;
  border-radius: 18px;
  padding: 10px 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 6px 16px rgba(43, 58, 140, 0.3);
}
.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.4px;
}
.brand-text em {
  font-style: normal;
  color: var(--primary);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
}
.nav-card {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 12px;
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  background: #f3f5fb;
  border: 1px solid transparent;
  transition: all var(--transition);
}
.nav-card i {
  font-size: 14px;
  color: var(--primary);
  transition: color var(--transition);
}
.nav-card:hover {
  background: #e9edff;
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(43, 58, 140, 0.08);
}
.nav-card.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(43, 58, 140, 0.25);
}
.nav-card.active i {
  color: #fff;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn-primary {
  --bs-btn-bg: var(--primary);
  --bs-btn-border-color: var(--primary);
  --bs-btn-hover-bg: var(--primary-dark);
  --bs-btn-hover-border-color: var(--primary-dark);
  --bs-btn-active-bg: var(--primary-dark);
  --bs-btn-active-border-color: var(--primary-dark);
  border-radius: 12px;
  font-weight: 600;
  padding: 10px 20px;
  box-shadow: 0 6px 14px rgba(43, 58, 140, 0.22);
  transition: all var(--transition);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(43, 58, 140, 0.3);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}
.nav-toggle {
  display: none;
  background: #f3f5fb;
  border: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-shrink: 0;
  transition: background var(--transition);
}
.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle:hover {
  background: #e9edff;
}

/* 文章顶部横幅 */
.article-banner {
  position: relative;
  padding: 76px 0 66px;
  background-size: cover;
  background-position: center;
  color: #fff;
  overflow: hidden;
}
.article-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(13, 18, 37, 0.86) 0%, rgba(13, 18, 37, 0.58) 60%, rgba(13, 18, 37, 0.28) 100%);
}
.article-banner .container {
  position: relative;
  z-index: 1;
}
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 24px;
}
.breadcrumb-nav a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition);
}
.breadcrumb-nav a:hover {
  color: var(--accent);
}
.breadcrumb-nav .sep {
  opacity: 0.5;
}
.article-title {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.28;
  font-weight: 800;
  max-width: 820px;
  margin: 0 0 20px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.article-banner-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}
.article-banner-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.article-banner-meta i {
  color: var(--accent);
}

/* 文章主体 */
.article-main {
  padding: 48px 0 32px;
}
.article-card {
  background: var(--surface);
  border-radius: 20px;
  padding: 34px 36px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.article-body-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}
.article-body-content h2 {
  font-size: 24px;
  font-weight: 800;
  margin: 32px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid #eef0f6;
  color: var(--text);
}
.article-body-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 26px 0 12px;
  color: var(--text);
}
.article-body-content h4 {
  font-size: 17px;
  font-weight: 700;
  margin: 20px 0 10px;
  color: var(--text);
}
.article-body-content p {
  margin-bottom: 18px;
}
.article-body-content ul,
.article-body-content ol {
  margin-bottom: 18px;
  padding-left: 22px;
}
.article-body-content li {
  margin-bottom: 8px;
}
.article-body-content blockquote {
  border-left: 4px solid var(--accent);
  background: #fbf6ec;
  padding: 14px 20px;
  border-radius: 0 14px 14px 0;
  margin: 22px 0;
  color: #6b5f4a;
}
.article-body-content img {
  max-width: 100%;
  border-radius: 14px;
  margin: 22px 0;
  box-shadow: var(--shadow-sm);
}
.article-body-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(43, 58, 140, 0.3);
}
.article-body-content a:hover {
  color: var(--primary-dark);
  text-decoration-color: var(--primary);
}
.article-body-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}
.article-body-content table th,
.article-body-content table td {
  border: 1px solid var(--border);
  padding: 10px 14px;
}
.article-body-content table th {
  background: #f0f2fa;
  font-weight: 700;
}
.article-body-content code {
  background: #f0f2fa;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.9em;
}
.article-tail {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.article-tags .tag-label {
  font-weight: 600;
  color: var(--text-light);
  font-size: 13px;
}
.article-tags .tag {
  display: inline-block;
  background: #eef1ff;
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}
.article-share {
  display: flex;
  gap: 8px;
}
.article-share a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #f3f5fb;
  color: var(--text-soft);
  transition: all var(--transition);
}
.article-share a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* 侧边栏 */
.sidebar {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.sidebar-card:hover {
  box-shadow: var(--shadow-md);
}
.sidebar-card h3 {
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-card h3 i {
  color: var(--primary);
}
.sidebar-info-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-info-list li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}
.sidebar-info-list li:last-child {
  border-bottom: none;
}
.sidebar-info-list .label {
  color: var(--text-light);
}
.sidebar-info-list .value {
  font-weight: 600;
  color: var(--text);
  text-align: right;
}
.sidebar-tip-card {
  background: linear-gradient(135deg, #fdf7ea, #fff8ec);
  border-color: #f2dfb6;
}
.sidebar-tip-card h3 i {
  color: var(--accent-dark);
}
.sidebar-tip-card p {
  font-size: 13px;
  color: #7a6a48;
  line-height: 1.7;
  margin-bottom: 12px;
}
.sidebar-tip-card .tip-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid #eeddc3;
  color: #a57b2f;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
}
.sidebar-timeline {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-timeline li {
  position: relative;
  padding: 0 0 18px 26px;
  font-size: 13px;
  color: var(--text-soft);
}
.sidebar-timeline li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 4px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px rgba(245, 184, 76, 0.3);
}
.sidebar-timeline li::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 18px;
  width: 2px;
  bottom: 0;
  background: #eee;
}
.sidebar-timeline li:last-child {
  padding-bottom: 0;
}
.sidebar-timeline li:last-child::after {
  display: none;
}
.sidebar-timeline .time-point {
  display: block;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}

/* 相关推荐 */
.related-section {
  padding: 48px 0 64px;
}
.section-head {
  text-align: center;
  margin-bottom: 40px;
}
.section-kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--primary);
  background: #eef1ff;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}
.section-head p {
  color: var(--text-soft);
  max-width: 560px;
  margin: 0 auto;
}
.post-card {
  background: var(--surface);
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.post-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.post-card .post-cover {
  display: block;
  overflow: hidden;
}
.post-card .post-cover img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.post-card:hover .post-cover img {
  transform: scale(1.05);
}
.post-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.post-card-cat {
  display: inline-block;
  background: #eef1ff;
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
  align-self: flex-start;
}
.post-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
}
.post-card-body h3 a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition);
}
.post-card-body h3 a:hover {
  color: var(--primary);
}
.post-card-body p {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.6;
  margin-bottom: 12px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card-date {
  font-size: 12px;
  color: var(--text-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.empty-note {
  text-align: center;
  padding: 40px;
  background: var(--surface);
  border-radius: 18px;
  border: 1px dashed var(--border);
  color: var(--text-soft);
}

/* 观星时段 */
.schedule-section {
  position: relative;
  background: var(--bg-deep);
  color: #fff;
  padding: 72px 0;
  overflow: hidden;
}
.schedule-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.28;
}
.schedule-section .container {
  position: relative;
  z-index: 1;
}
.schedule-section .section-kicker {
  background: rgba(255, 255, 255, 0.12);
  color: var(--accent);
}
.schedule-section .section-head h2 {
  color: #fff;
}
.schedule-section .section-head p {
  color: rgba(255, 255, 255, 0.6);
}
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.time-card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 18px;
  padding: 26px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}
.time-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 184, 76, 0.5);
  background: rgba(255, 255, 255, 0.12);
}
.time-card .time-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--accent);
  color: #1e2340;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}
.time-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.time-card p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
}
.time-card .time-range {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
  margin-top: 14px;
  letter-spacing: 1px;
}

/* FAQ */
.faq-section {
  padding: 72px 0;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.faq-item:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(43, 58, 140, 0.18);
}
.faq-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.faq-item h3 span {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.faq-item p {
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
  padding-left: 34px;
}

/* CTA */
.cta-section {
  padding: 32px 0 72px;
}
.cta-box {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  padding: 52px 40px;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
}
.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(29, 42, 107, 0.92), rgba(13, 18, 37, 0.82));
}
.cta-box .cta-content {
  position: relative;
  z-index: 1;
}
.cta-box h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.82);
  max-width: 520px;
  margin: 0 auto 26px;
  font-size: 15px;
}
.btn-accent {
  --bs-btn-bg: var(--accent);
  --bs-btn-border-color: var(--accent);
  --bs-btn-color: #1e2340;
  --bs-btn-hover-bg: var(--accent-dark);
  --bs-btn-hover-border-color: var(--accent-dark);
  --bs-btn-hover-color: #1e2340;
  --bs-btn-active-bg: var(--accent-dark);
  --bs-btn-active-border-color: var(--accent-dark);
  --bs-btn-active-color: #1e2340;
  border-radius: 12px;
  font-weight: 700;
  padding: 12px 28px;
  box-shadow: 0 8px 20px rgba(245, 184, 76, 0.3);
  transition: all var(--transition);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(245, 184, 76, 0.4);
}

/* 内容未找到 */
.not-found-card {
  background: var(--surface);
  border-radius: 20px;
  padding: 64px 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.not-found-card .nf-icon {
  width: 80px;
  height: 80px;
  border-radius: 24px;
  background: #eef1ff;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 20px;
}
.not-found-card h2 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 8px;
}
.not-found-card p {
  color: var(--text-soft);
  margin-bottom: 24px;
}

/* 页脚 */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.72);
  padding: 56px 0 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand .brand-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  box-shadow: 0 6px 16px rgba(245, 184, 76, 0.25);
}
.footer-brand .brand-text {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
}
.footer-brand .brand-text em {
  color: var(--accent);
}
.footer-about {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 340px;
  margin-bottom: 0;
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: 15px;
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  color: #1e2340;
  transform: translateY(-2px);
}
.footer-title {
  font-size: 15px;
  color: #fff;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-links,
.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.62);
  text-decoration: none;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 5px;
}
.footer-links a i {
  font-size: 10px;
}
.footer-contact-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
  margin-bottom: 12px;
}
.footer-contact-list li i {
  color: var(--accent);
  width: 18px;
  text-align: center;
  margin-top: 4px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-copy {
  margin: 0;
}
.footer-domain {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-domain i {
  color: var(--accent);
  font-size: 11px;
}

/* 响应式 */
@media (max-width: 1199.98px) {
  .schedule-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 991.98px) {
  .nav-panel {
    flex-wrap: wrap;
  }
  .nav-links {
    order: 3;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    display: none;
    padding-top: 6px;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-card {
    justify-content: flex-start;
  }
  .sidebar {
    position: static;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 767.98px) {
  .article-banner {
    padding: 56px 0 46px;
  }
  .article-card {
    padding: 24px 20px;
    border-radius: 16px;
  }
  .article-title {
    font-size: 26px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .schedule-grid {
    grid-template-columns: 1fr;
  }
  .cta-box {
    padding: 36px 24px;
  }
  .cta-box h2 {
    font-size: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 520px) {
  .nav-panel {
    gap: 10px;
    padding: 8px 10px;
  }
  .brand-text {
    font-size: 17px;
  }
  .brand-icon {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }
  .nav-actions .btn-sm {
    padding: 8px 12px;
    font-size: 13px;
  }
  .article-card {
    padding: 20px 16px;
  }
  .article-banner-meta {
    gap: 12px;
    font-size: 13px;
  }
  .article-banner-meta span {
    gap: 6px;
  }
  .article-body-content {
    font-size: 15px;
  }
  .article-tail {
    flex-direction: column;
    align-items: flex-start;
  }
  .post-card .post-cover img {
    height: 170px;
  }
}

/* roulang page: category2 */
:root {
      --primary: #12203f;
      --primary-light: #23365f;
      --primary-deep: #0a1428;
      --accent: #eeb96b;
      --accent-strong: #d99e45;
      --accent-soft: rgba(238, 185, 107, .14);
      --bg: #f4f6fb;
      --bg-deep: #f0f3f9;
      --text: #16203a;
      --muted: #62748c;
      --border: #e2e8f2;
      --white: #ffffff;
      --radius-lg: 22px;
      --radius-md: 16px;
      --radius-sm: 10px;
      --shadow: 0 14px 40px rgba(13, 28, 56, .10);
      --shadow-sm: 0 6px 18px rgba(13, 28, 56, .06);
      --shadow-hover: 0 18px 48px rgba(13, 28, 56, .16);
      --transition: .3s ease;
      --font-stack: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

    *, *::before, *::after {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      margin: 0;
      font-family: var(--font-stack);
      color: var(--text);
      background: var(--bg);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition);
    }
    button {
      font-family: inherit;
    }
    .container {
      max-width: 1180px;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }

    /* ---------- Header & Nav ---------- */
    .site-header {
      position: relative;
      z-index: 20;
      background: linear-gradient(180deg, #070f22 0%, #0d1a35 78%, rgba(13, 26, 53, 0) 100%);
      padding: 1rem 0 3.5rem;
    }
    .nav-panel {
      display: flex;
      align-items: center;
      gap: .9rem;
      background: rgba(255, 255, 255, .94);
      backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, .7);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow);
      padding: .85rem 1.2rem;
      margin-top: .6rem;
      flex-wrap: nowrap;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: .6rem;
      flex-shrink: 0;
      padding: .2rem .35rem;
      border-radius: var(--radius-sm);
    }
    .brand-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, #f6d390, #e8a84f);
      color: #10203f;
      border-radius: 12px;
      font-size: 1.05rem;
      box-shadow: 0 4px 12px rgba(232, 168, 79, .45);
    }
    .brand-text {
      font-size: 1.32rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -.01em;
      line-height: 1.2;
    }
    .brand-text em {
      font-style: normal;
      color: var(--accent-strong);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: .4rem;
      flex: 1;
      justify-content: center;
      flex-wrap: nowrap;
    }
    .nav-card {
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      padding: .5rem 1rem;
      border-radius: 999px;
      font-size: .94rem;
      font-weight: 600;
      color: #3e4d68;
      white-space: nowrap;
      border: 1px solid transparent;
      transition: all var(--transition);
    }
    .nav-card i {
      font-size: .92rem;
      color: #8a99b3;
      transition: color var(--transition);
    }
    .nav-card:hover {
      background: var(--accent-soft);
      color: var(--primary);
      transform: translateY(-1px);
    }
    .nav-card:hover i {
      color: var(--accent-strong);
    }
    .nav-card.active {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 6px 16px rgba(18, 32, 63, .28);
    }
    .nav-card.active i {
      color: var(--accent);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      flex-shrink: 0;
    }
    .nav-toggle {
      display: none;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 42px;
      height: 42px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: var(--white);
      padding: 8px;
      cursor: pointer;
      flex-shrink: 0;
    }
    .nav-toggle span {
      display: block;
      height: 2px;
      background: var(--primary);
      border-radius: 4px;
      transition: all .3s ease;
    }
    .nav-toggle.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.active span:nth-child(2) {
      opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* ---------- Buttons ---------- */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .5rem;
      border-radius: 999px;
      font-weight: 600;
      border: 2px solid transparent;
      padding: .65rem 1.25rem;
      font-size: .96rem;
      line-height: 1.4;
      transition: all var(--transition);
    }
    .btn-primary {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
    }
    .btn-primary:hover,
    .btn-primary:focus-visible {
      background: var(--primary-light);
      border-color: var(--primary-light);
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(18, 32, 63, .28);
      color: #fff;
    }
    .btn-accent {
      background: linear-gradient(135deg, #f2c984, #e0a04c);
      border-color: #e6ab5a;
      color: #10203f;
    }
    .btn-accent:hover,
    .btn-accent:focus-visible {
      background: linear-gradient(135deg, #f6d390, #e8a84f);
      border-color: #e0a04c;
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(224, 160, 76, .4);
      color: #0c182f;
    }
    .btn-ghost {
      background: transparent;
      border-color: rgba(255, 255, 255, .65);
      color: #fff;
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, .12);
      border-color: #fff;
      transform: translateY(-2px);
    }
    .btn-sm {
      padding: .5rem 1rem;
      font-size: .89rem;
    }
    .btn-lg {
      padding: .85rem 1.6rem;
      font-size: 1.02rem;
    }
    .btn:focus-visible {
      outline: 3px solid rgba(238, 185, 107, .6);
      outline-offset: 2px;
    }

    /* ---------- Hero ---------- */
    .page-hero {
      position: relative;
      margin-top: -2.6rem;
      padding: 3.8rem 0 4.6rem;
      color: #fff;
      background: linear-gradient(135deg, rgba(7, 16, 35, .92), rgba(18, 32, 63, .8)), url('/assets/images/backpic/back-2.png') center 40% / cover no-repeat;
      border-radius: 0 0 2.2rem 2.2rem;
      overflow: hidden;
    }
    .hero-inner {
      max-width: 820px;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      background: rgba(255, 255, 255, .12);
      border: 1px solid rgba(255, 255, 255, .22);
      backdrop-filter: blur(8px);
      border-radius: 999px;
      padding: .4rem 1rem;
      font-size: .86rem;
      font-weight: 600;
      letter-spacing: .02em;
      color: #f6e3c4;
      margin-bottom: 1.2rem;
    }
    .hero-tag i {
      color: var(--accent);
    }
    .hero-title {
      font-size: clamp(2.3rem, 5vw, 3.5rem);
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -.02em;
      margin-bottom: 1rem;
    }
    .hero-title .hl {
      color: var(--accent);
    }
    .hero-subtitle {
      font-size: 1.1rem;
      color: rgba(255, 255, 255, .86);
      margin-bottom: 1.8rem;
      max-width: 660px;
    }
    .hero-cta {
      display: flex;
      flex-wrap: wrap;
      gap: .8rem;
      align-items: center;
      margin-bottom: 1.8rem;
    }
    .hero-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 1.2rem;
      font-size: .92rem;
      color: rgba(255, 255, 255, .78);
    }
    .hero-meta span {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
    }
    .hero-meta i {
      color: var(--accent);
    }

    /* ---------- Section base ---------- */
    .section {
      padding: 4rem 0;
    }
    .section.is-bg {
      background: var(--bg-deep);
    }
    .section-head {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 2.6rem;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      background: var(--accent-soft);
      border: 1px solid rgba(238, 185, 107, .3);
      color: var(--accent-strong);
      font-size: .84rem;
      font-weight: 700;
      border-radius: 999px;
      padding: .3rem .95rem;
      margin-bottom: .9rem;
    }
    .section-tag i {
      font-size: .8rem;
    }
    .section-title {
      font-size: clamp(1.75rem, 3.2vw, 2.4rem);
      font-weight: 800;
      letter-spacing: -.02em;
      color: var(--primary);
      margin-bottom: .8rem;
    }
    .section-desc {
      color: var(--muted);
      font-size: 1rem;
      line-height: 1.8;
    }
    .section-toolbar {
      text-align: center;
      margin-top: 2.2rem;
    }

    /* ---------- Stats ---------- */
    .stat-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1rem;
      margin-top: 1rem;
    }
    .stat-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 1.6rem 1rem;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
    }
    .stat-card:hover {
      box-shadow: var(--shadow);
      transform: translateY(-4px);
    }
    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
    }
    .stat-num span {
      color: var(--accent-strong);
      font-size: 1.4rem;
      font-weight: 700;
    }
    .stat-label {
      color: var(--muted);
      font-size: .92rem;
      margin-top: .3rem;
    }

    /* ---------- Timeline ---------- */
    .timeline {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      padding: 1rem 0;
    }
    .timeline::before {
      content: '';
      position: absolute;
      left: 48px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(180deg, rgba(238, 185, 107, .7), rgba(18, 32, 63, .2));
    }
    .timeline-item {
      position: relative;
      display: flex;
      gap: 1.4rem;
      align-items: flex-start;
      margin-bottom: 1.4rem;
      padding-left: 0;
    }
    .timeline-item:last-child {
      margin-bottom: 0;
    }
    .timeline-dot {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--white);
      border: 2px solid var(--accent);
      border-radius: 50%;
      color: var(--accent-strong);
      font-size: .9rem;
      box-shadow: 0 0 0 6px rgba(238, 185, 107, .15);
      flex-shrink: 0;
      z-index: 1;
    }
    .timeline-card {
      flex: 1;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 1.3rem 1.4rem;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
    }
    .timeline-card:hover {
      box-shadow: var(--shadow);
      transform: translateY(-2px);
    }
    .step-num {
      position: absolute;
      right: 1rem;
      top: .8rem;
      font-size: 2.4rem;
      font-weight: 800;
      color: rgba(18, 32, 63, .06);
      line-height: 1;
      pointer-events: none;
    }
    .timeline-card h3 {
      font-size: 1.12rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: .35rem;
    }
    .timeline-card p {
      margin: 0;
      color: var(--muted);
      font-size: .95rem;
    }
    .timeline-card .tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: .4rem;
      margin-top: .7rem;
    }
    .tag-list .tag {
      display: inline-flex;
      align-items: center;
      gap: .3rem;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 999px;
      padding: .22rem .7rem;
      font-size: .8rem;
      font-weight: 600;
      color: var(--muted);
    }
    .tag-list .tag i {
      color: var(--accent-strong);
      font-size: .7rem;
    }

    /* ---------- Topic Cards ---------- */
    .topic-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.2rem;
    }
    .topic-card {
      display: block;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
    }
    .topic-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-6px);
    }
    .topic-img-wrap {
      position: relative;
      aspect-ratio: 4 / 3;
      overflow: hidden;
    }
    .topic-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .5s ease;
    }
    .topic-card:hover .topic-img-wrap img {
      transform: scale(1.05);
    }
    .topic-img-wrap::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 45%, rgba(10, 18, 36, .55));
    }
    .topic-tag {
      position: absolute;
      left: .9rem;
      bottom: .9rem;
      z-index: 2;
      background: rgba(255, 255, 255, .16);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, .3);
      color: #fff;
      border-radius: 999px;
      padding: .25rem .8rem;
      font-size: .82rem;
      font-weight: 600;
    }
    .topic-body {
      padding: 1.1rem 1.2rem 1.3rem;
    }
    .topic-body h3 {
      font-size: 1.08rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: .3rem;
    }
    .topic-body p {
      font-size: .9rem;
      color: var(--muted);
      margin-bottom: .8rem;
      line-height: 1.65;
    }
    .topic-link {
      display: inline-flex;
      align-items: center;
      gap: .35rem;
      font-size: .9rem;
      font-weight: 600;
      color: var(--accent-strong);
    }
    .topic-link i {
      transition: transform var(--transition);
    }
    .topic-card:hover .topic-link i {
      transform: translateX(4px);
    }

    /* ---------- Param Tickets ---------- */
    .param-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.2rem;
    }
    .ticket-card {
      position: relative;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 1.5rem 1.3rem;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: all var(--transition);
    }
    .ticket-card::before,
    .ticket-card::after {
      content: '';
      position: absolute;
      width: 22px;
      height: 22px;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 50%;
      top: 50%;
      transform: translateY(-50%);
      z-index: 1;
    }
    .ticket-card::before {
      left: -13px;
    }
    .ticket-card::after {
      right: -13px;
    }
    .ticket-card:hover {
      box-shadow: var(--shadow);
      transform: translateY(-3px);
    }
    .ticket-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: .6rem;
      margin-bottom: 1rem;
    }
    .ticket-top .ticket-label {
      font-size: .86rem;
      font-weight: 700;
      color: var(--muted);
      text-transform: uppercase;
      letter-spacing: .06em;
    }
    .ticket-top .ticket-icon {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--accent-soft);
      border-radius: 12px;
      color: var(--accent-strong);
      font-size: 1.05rem;
    }
    .ticket-value {
      font-size: 2.3rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      letter-spacing: -.02em;
    }
    .ticket-value small {
      font-size: 1rem;
      font-weight: 700;
      color: var(--accent-strong);
    }
    .ticket-desc {
      color: var(--muted);
      font-size: .9rem;
      margin-top: .4rem;
    }
    .ticket-meta {
      display: flex;
      flex-wrap: wrap;
      gap: .6rem 1.2rem;
      border-top: 1px dashed var(--border);
      padding-top: .9rem;
      margin-top: .9rem;
      font-size: .86rem;
      color: var(--muted);
    }
    .ticket-meta span {
      display: inline-flex;
      align-items: center;
      gap: .35rem;
    }
    .ticket-meta i {
      color: var(--accent-strong);
      font-size: .8rem;
    }

    /* ---------- Gear ---------- */
    .gear-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
    }
    .gear-item {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 1.2rem 1.3rem;
      box-shadow: var(--shadow-sm);
      transition: all var(--transition);
    }
    .gear-item:hover {
      box-shadow: var(--shadow);
      transform: translateY(-3px);
    }
    .gear-icon {
      width: 48px;
      height: 48px;
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--accent-soft);
      border-radius: 14px;
      color: var(--accent-strong);
      font-size: 1.15rem;
    }
    .gear-info h4 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: .2rem;
    }
    .gear-info p {
      margin: 0;
      color: var(--muted);
      font-size: .9rem;
      line-height: 1.6;
    }

    /* ---------- FAQ ---------- */
    .faq-wrap {
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-wrap .accordion-item {
      border: 1px solid var(--border);
      border-radius: var(--radius-md) !important;
      margin-bottom: .8rem;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-wrap .accordion-button {
      font-weight: 600;
      color: var(--primary);
      padding: 1.1rem 1.3rem;
      background: var(--white);
      font-size: 1rem;
    }
    .faq-wrap .accordion-button:not(.collapsed) {
      background: var(--white);
      color: var(--primary);
      box-shadow: none;
    }
    .faq-wrap .accordion-button:focus {
      box-shadow: none;
      border-color: var(--border);
    }
    .faq-wrap .accordion-button::after {
      background-size: 1rem;
    }
    .faq-wrap .accordion-body {
      color: var(--muted);
      font-size: .95rem;
      line-height: 1.8;
      padding: .2rem 1.3rem 1.2rem;
    }

    /* ---------- CTA ---------- */
    .cta-card {
      position: relative;
      background: linear-gradient(135deg, #0d1a35, #1c3055), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
      background-blend-mode: overlay;
      border-radius: var(--radius-lg);
      padding: 2.6rem 2.4rem;
      color: #fff;
      box-shadow: var(--shadow-hover);
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 2rem;
      align-items: center;
      overflow: hidden;
    }
    .cta-card::after {
      content: '';
      position: absolute;
      right: -70px;
      top: -70px;
      width: 200px;
      height: 200px;
      background: radial-gradient(circle, rgba(238, 185, 107, .25), transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }
    .cta-info h2 {
      font-size: clamp(1.6rem, 3vw, 2.2rem);
      font-weight: 800;
      letter-spacing: -.01em;
      margin-bottom: .8rem;
    }
    .cta-info p {
      color: rgba(255, 255, 255, .82);
      margin-bottom: 1.4rem;
      max-width: 520px;
    }
    .cta-list {
      list-style: none;
      margin: 0 0 1.4rem;
      padding: 0;
    }
    .cta-list li {
      display: flex;
      align-items: center;
      gap: .6rem;
      font-size: .95rem;
      color: rgba(255, 255, 255, .88);
      margin-bottom: .5rem;
    }
    .cta-list li i {
      color: var(--accent);
    }
    .cta-ticket {
      background: rgba(255, 255, 255, .1);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, .2);
      border-radius: var(--radius-md);
      padding: 1.4rem 1.5rem;
      position: relative;
    }
    .cta-ticket .t-label {
      font-size: .86rem;
      letter-spacing: .08em;
      color: rgba(255, 255, 255, .7);
    }
    .cta-ticket .t-price {
      font-size: 2.4rem;
      font-weight: 800;
      color: var(--accent);
      line-height: 1.2;
    }
    .cta-ticket .t-meta {
      border-top: 1px dashed rgba(255, 255, 255, .3);
      margin-top: .9rem;
      padding-top: .9rem;
      font-size: .88rem;
      color: rgba(255, 255, 255, .8);
    }
    .cta-ticket .t-meta li {
      display: flex;
      align-items: center;
      gap: .45rem;
      margin-bottom: .4rem;
    }

    /* ---------- Footer ---------- */
    .site-footer {
      background: #0b1428;
      color: rgba(255, 255, 255, .78);
      padding: 3rem 0 1.6rem;
      margin-top: 1rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr;
      gap: 2.4rem;
      padding-bottom: 2rem;
      border-bottom: 1px solid rgba(255, 255, 255, .08);
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: .6rem;
      font-size: 1.2rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: .8rem;
    }
    .footer-brand .brand-icon {
      width: 34px;
      height: 34px;
      font-size: .9rem;
    }
    .footer-brand em {
      font-style: normal;
      color: var(--accent);
    }
    .footer-about {
      font-size: .92rem;
      line-height: 1.8;
      color: rgba(255, 255, 255, .62);
      max-width: 400px;
    }
    .footer-social {
      display: flex;
      gap: .6rem;
      margin-top: 1rem;
    }
    .footer-social a {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, .08);
      border-radius: 50%;
      color: rgba(255, 255, 255, .82);
      font-size: .95rem;
      transition: all var(--transition);
    }
    .footer-social a:hover {
      background: var(--accent);
      color: #10203f;
      transform: translateY(-2px);
    }
    .footer-title {
      color: #fff;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 1rem;
      letter-spacing: .02em;
    }
    .footer-links,
    .footer-contact-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: .45rem;
    }
    .footer-links a {
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      color: rgba(255, 255, 255, .7);
      font-size: .92rem;
      transition: all var(--transition);
    }
    .footer-links a i {
      font-size: .7rem;
      color: var(--accent);
    }
    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-contact-list li {
      display: flex;
      align-items: flex-start;
      gap: .6rem;
      color: rgba(255, 255, 255, .7);
      font-size: .92rem;
      margin-bottom: .6rem;
    }
    .footer-contact-list i {
      color: var(--accent);
      margin-top: .2rem;
    }
    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: .6rem;
      padding-top: 1.4rem;
      font-size: .88rem;
      color: rgba(255, 255, 255, .5);
    }
    .footer-bottom p {
      margin: 0;
    }
    .footer-domain i {
      color: var(--accent);
      margin-right: .3rem;
    }

    /* ---------- Responsive ---------- */
    @media (max-width: 991.98px) {
      .topic-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stat-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-card {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .nav-toggle {
        display: flex;
      }
      .nav-links,
      .nav-actions {
        display: none;
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        right: 0;
      }
      .nav-links.open,
      .nav-actions.open {
        display: flex;
      }
      .nav-panel {
        position: relative;
        flex-wrap: wrap;
      }
      .nav-links.open {
        flex-direction: column;
        align-items: stretch;
        background: rgba(255, 255, 255, .97);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow);
        padding: .8rem;
        gap: .4rem;
        z-index: 30;
      }
      .nav-links.open .nav-card {
        border-radius: var(--radius-sm);
        white-space: normal;
      }
      .nav-actions.open {
        justify-content: center;
        background: rgba(255, 255, 255, .97);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow);
        padding: .6rem;
        z-index: 30;
      }
    }
    @media (max-width: 767.98px) {
      .section {
        padding: 3rem 0;
      }
      .page-hero {
        margin-top: -2rem;
        padding: 3rem 0 3.6rem;
        border-radius: 0 0 1.6rem 1.6rem;
      }
      .gear-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.8rem;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
      .timeline::before {
        left: 28px;
      }
      .timeline-dot {
        width: 32px;
        height: 32px;
        font-size: .8rem;
      }
      .timeline-card {
        padding: 1rem 1.1rem;
      }
      .step-num {
        font-size: 1.8rem;
      }
    }
    @media (max-width: 519.98px) {
      .topic-grid {
        grid-template-columns: 1fr;
      }
      .param-grid {
        grid-template-columns: 1fr;
      }
      .stat-grid {
        grid-template-columns: 1fr 1fr;
        gap: .8rem;
      }
      .stat-num {
        font-size: 1.8rem;
      }
      .brand-text {
        font-size: 1.15rem;
      }
      .nav-panel {
        padding: .7rem .9rem;
      }
      .cta-card {
        padding: 1.8rem 1.4rem;
      }
      .hero-cta .btn {
        width: 100%;
      }
    }