/* roulang page: index */
:root {
  --primary: #2F80C1;
  --primary-light: #EAF2F8;
  --secondary: #4DB6A8;
  --accent: #F2994A;
  --accent-hover: #E0862A;
  --dark: #1B3A5B;
  --bg: #F5F9FC;
  --card-bg: #FFFFFF;
  --border: #E3EAF0;
  --text: #1E2B38;
  --text-secondary: #5B6C7E;
  --star: #F5A623;
  --radius: 12px;
  --radius-btn: 8px;
  --radius-hero: 16px;
  --shadow: 0 8px 24px rgba(31,55,74,0.08);
  --shadow-hover: 0 12px 32px rgba(31,55,74,0.16);
  --container: 1200px;
  --spacing: 96px;
  --spacing-mobile: 48px;
  --transition: all .3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; position: relative; }
.section-padding { padding: var(--spacing) 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(227,234,240,.7);
  box-shadow: 0 2px 12px rgba(31,55,74,.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(47,128,193,.3);
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}
.logo-sub {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-secondary);
  display: block;
  margin-top: -2px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.main-nav ul li a.nav-link {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: #4A5568;
  border-radius: 20px;
  position: relative;
  transition: var(--transition);
}
.main-nav ul li a.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width .25s ease;
}
.main-nav ul li a.nav-link:hover {
  color: var(--primary);
}
.main-nav ul li a.nav-link:hover::after {
  width: 60%;
}
.main-nav ul li a.nav-link.active {
  background: var(--primary-light);
  color: var(--primary);
}
.main-nav ul li a.nav-link.active::after { display: none; }
.btn-cta {
  display: inline-block;
  padding: 10px 24px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  box-shadow: 0 4px 14px rgba(242,153,74,.35);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-cta:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 20px rgba(242,153,74,.45);
  transform: translateY(-2px);
  color: #fff;
}
.btn-cta:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Hero */
.hero {
  background: linear-gradient(135deg, #EAF2F8 0%, #F5F9FC 60%);
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 80px 0 60px;
}
.hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(77,182,168,.08);
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -40px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(47,128,193,.06);
  z-index: 0;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-left {
  max-width: 560px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}
.hero-badge i {
  color: var(--secondary);
}
.hero h1 {
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 20px;
}
.hero h1 .highlight {
  color: var(--primary);
  position: relative;
  display: inline-block;
}
.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 10px;
  background: rgba(242,153,74,.25);
  border-radius: 4px;
  z-index: -1;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 32px;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  box-shadow: 0 4px 16px rgba(242,153,74,.35);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 8px 24px rgba(242,153,74,.45);
  transform: translateY(-2px);
  color: #fff;
}
.btn-primary:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.btn-outline {
  display: inline-block;
  padding: 14px 36px;
  background: transparent;
  color: var(--primary);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  border: 1.5px solid var(--primary);
  transition: var(--transition);
  cursor: pointer;
}
.btn-outline:hover {
  background: var(--primary-light);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-outline:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.hero-visual {
  position: relative;
}
.hero-phone {
  width: 100%;
  max-width: 340px;
  aspect-ratio: 9/16;
  background: var(--card-bg);
  border-radius: var(--radius-hero);
  box-shadow: 0 20px 48px rgba(31,55,74,.18);
  overflow: hidden;
  position: relative;
  margin: 0 auto;
}
.hero-phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-phone::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,.45) 100%);
  pointer-events: none;
}
.hero-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: rgba(255,255,255,.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
  transition: var(--transition);
  z-index: 2;
}
.hero-play-btn:hover {
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 12px 32px rgba(0,0,0,.3);
}
.hero-play-btn i {
  color: var(--primary);
  font-size: 20px;
  margin-left: 4px;
}
.hero-hot-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 5px 14px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(242,153,74,.4);
  z-index: 2;
}
.hero-info-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  color: #fff;
  z-index: 2;
}
.hero-info-bar .title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
}
.hero-info-bar .desc {
  font-size: 12px;
  opacity: .9;
}
.hero-rating-bar {
  margin-top: 48px;
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 16px 24px;
  box-shadow: var(--shadow);
  flex-wrap: wrap;
  z-index: 2;
  position: relative;
}
.rating-stars {
  color: var(--star);
  font-size: 16px;
  letter-spacing: 2px;
}
.rating-score {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}
.rating-count {
  font-size: 13px;
  color: var(--text-secondary);
}
.rating-note {
  font-size: 13px;
  color: var(--text-secondary);
  border-left: 2px solid var(--border);
  padding-left: 16px;
  flex: 1;
  min-width: 180px;
}

/* Section Titles */
.section-header {
  margin-bottom: 48px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.section-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}
.section-title span {
  color: var(--primary);
}
.section-title .title-bar {
  display: inline-block;
  width: 32px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 8px;
}
.section-sub {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: 8px;
}
.section-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  padding: 8px 16px;
  border-radius: 20px;
  background: var(--primary-light);
  transition: var(--transition);
}
.section-link:hover {
  background: rgba(47,128,193,.15);
  transform: translateX(2px);
}

/* Featured Cards */
.featured-section {
  padding: var(--spacing) 0;
}
.featured-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.featured-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}
.featured-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.featured-cover {
  position: relative;
  aspect-ratio: 9/16;
  overflow: hidden;
}
.featured-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.featured-card:hover .featured-cover img {
  transform: scale(1.05);
}
.featured-cover::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.06) 30%, rgba(0,0,0,.6) 100%);
  pointer-events: none;
}
.featured-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  z-index: 2;
}
.featured-tag.top {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 10px rgba(242,153,74,.4);
}
.featured-tag.new {
  background: var(--secondary);
  color: #fff;
  box-shadow: 0 4px 10px rgba(77,182,168,.4);
}
.featured-info {
  padding: 16px 18px 20px;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  color: #fff;
  z-index: 2;
}
.featured-info h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
  color: #fff;
}
.featured-info p {
  font-size: 12px;
  line-height: 1.5;
  opacity: .9;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.featured-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  opacity: .9;
}
.featured-btn {
  position: absolute;
  right: 12px;
  bottom: 48px;
  background: rgba(255,255,255,.95);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 14px;
  opacity: 0;
  transform: translateY(8px);
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
  z-index: 3;
}
.featured-card:hover .featured-btn {
  opacity: 1;
  transform: translateY(0);
}
.featured-btn:hover {
  background: var(--primary);
  color: #fff;
}

/* Recommend List */
.recommend-section {
  padding: var(--spacing) 0;
  background: #F8FAFC;
}
.recommend-list {
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.recommend-item {
  position: relative;
  display: grid;
  grid-template-columns: 72px 160px 1fr auto;
  gap: 24px;
  align-items: center;
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.recommend-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.recommend-item:nth-child(even) {
  grid-template-columns: 1fr 160px 72px;
}
.recommend-num {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  opacity: .25;
  line-height: 1;
  font-style: italic;
}
.recommend-thumb {
  width: 160px;
  height: 120px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}
.recommend-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.recommend-item:hover .recommend-thumb img {
  transform: scale(1.05);
}
.recommend-content {
  min-width: 0;
}
.recommend-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.recommend-tag {
  display: inline-block;
  padding: 2px 12px;
  background: rgba(77,182,168,.12);
  color: var(--secondary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 12px;
}
.recommend-tag.hot {
  background: rgba(242,153,74,.12);
  color: var(--accent-hover);
}
.recommend-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.recommend-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.recommend-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
  padding: 8px 16px;
  border-radius: 20px;
  background: var(--primary-light);
  transition: var(--transition);
}
.recommend-link:hover {
  background: rgba(47,128,193,.15);
  color: var(--primary);
}

/* Reviews */
.reviews-section {
  padding: var(--spacing) 0;
}
.reviews-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: start;
}
.review-overall {
  text-align: center;
  padding: 32px 24px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: sticky;
  top: 90px;
}
.review-score {
  font-size: 56px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.review-score small {
  font-size: 20px;
  color: var(--text-secondary);
  font-weight: 400;
}
.review-stars {
  color: var(--star);
  font-size: 18px;
  letter-spacing: 3px;
  margin: 12px 0 8px;
}
.review-total {
  font-size: 13px;
  color: var(--text-secondary);
}
.review-all-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 16px;
  background: var(--primary-light);
}
.review-all-link:hover {
  background: rgba(47,128,193,.15);
}
.reviews-scroll {
  overflow-x: auto;
  padding-bottom: 12px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 280px;
  gap: 24px;
}
.reviews-scroll::-webkit-scrollbar { display: none; }
.review-card {
  background: #F8FAFC;
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  transition: var(--transition);
  border: 1px solid var(--border);
}
.review-card:hover {
  box-shadow: var(--shadow);
  border-color: transparent;
}
.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
}
.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}
.review-avatar.alt1 { background: var(--secondary); }
.review-avatar.alt2 { background: var(--accent); }
.review-user-info {
  flex: 1;
}
.review-nickname {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.review-star {
  color: var(--star);
  font-size: 12px;
  letter-spacing: 1px;
}
.review-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.review-badge {
  font-size: 12px;
  color: var(--secondary);
  text-align: right;
  margin-top: auto;
}
.review-badge i {
  margin-right: 4px;
}

/* Latest News CMS */
.news-section {
  padding: var(--spacing) 0;
  background: var(--bg);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-left: 3px solid var(--primary);
}
.news-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.news-cat {
  display: inline-block;
  padding: 2px 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 10px;
}
.news-date {
  font-size: 13px;
  color: var(--text-secondary);
}
.news-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.4;
}
.news-title a {
  color: inherit;
}
.news-title a:hover {
  color: var(--primary);
}
.news-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-link {
  display: inline-block;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.news-link:hover {
  text-decoration: underline;
}
.empty-state {
  text-align: center;
  padding: 48px 24px;
  background: #F8FAFC;
  border-radius: var(--radius);
  grid-column: 1 / -1;
}
.empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
  color: var(--primary);
}
.empty-state p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.empty-state .btn-primary {
  font-size: 14px;
  padding: 10px 24px;
}

/* Value Section */
.values-section {
  padding: var(--spacing) 0;
  background: var(--card-bg);
}
.value-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}
.value-row:last-child { margin-bottom: 0; }
.value-row.reverse {
  direction: rtl;
}
.value-row.reverse > * {
  direction: ltr;
}
.value-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
}
.value-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.value-image:hover img {
  transform: scale(1.03);
}
.value-content {
  max-width: 480px;
}
.value-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(77,182,168,.12);
  color: var(--secondary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 14px;
  margin-bottom: 16px;
}
.value-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.3;
}
.value-title span {
  color: var(--primary);
}
.value-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 24px;
}
.value-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.value-link i {
  transition: transform .3s ease;
  font-size: 12px;
}
.value-link:hover {
  color: var(--primary);
}
.value-link:hover i {
  transform: translateX(4px);
}

/* FAQ */
.faq-section {
  padding: var(--spacing) 0;
  background: var(--bg);
}
.faq-wrap {
  max-width: 760px;
  margin: 0 auto;
}
.faq-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-card.open {
  background: #F0F7FC;
  border-color: rgba(47,128,193,.2);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
}
.faq-question:hover {
  color: var(--primary);
}
.faq-icon {
  width: 28px;
  height: 28px;
  border: 1.5px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: var(--transition);
  flex-shrink: 0;
  color: var(--primary);
}
.faq-card.open .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,.04);
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -30px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255,255,255,.03);
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.cta-title {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}
.cta-sub {
  font-size: 15px;
  color: rgba(255,255,255,.8);
}
.cta-btn {
  display: inline-block;
  padding: 16px 40px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  box-shadow: 0 6px 20px rgba(242,153,74,.4);
  transition: var(--transition);
  white-space: nowrap;
}
.cta-btn:hover {
  background: var(--accent-hover);
  box-shadow: 0 8px 28px rgba(242,153,74,.5);
  transform: translateY(-2px);
  color: #fff;
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: #C8D6E3;
  padding: 64px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo {
  margin-bottom: 16px;
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand .logo-sub {
  color: rgba(255,255,255,.6);
}
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.6);
  margin-top: 12px;
}
.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  transition: var(--transition);
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-contact p {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  margin-bottom: 10px;
  line-height: 1.6;
}
.footer-contact i {
  margin-right: 8px;
  color: var(--secondary);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: rgba(255,255,255,.4);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr 320px;
    gap: 40px;
  }
  .hero-phone { max-width: 280px; }
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .recommend-item {
    grid-template-columns: 56px 120px 1fr;
  }
  .recommend-item:nth-child(even) {
    grid-template-columns: 1fr 120px 56px;
  }
  .recommend-thumb {
    width: 120px;
    height: 100px;
  }
  .reviews-layout {
    grid-template-columns: 200px 1fr;
    gap: 24px;
  }
  .value-row {
    gap: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .section-padding { padding: var(--spacing-mobile) 0; }
  .site-header .header-inner { height: 64px; }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: 0 12px 32px rgba(31,55,74,.12);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform .3s ease, opacity .3s ease;
    border-bottom: 1px solid var(--border);
    z-index: 99;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
  }
  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .main-nav ul li a.nav-link {
    font-size: 16px;
    padding: 10px 20px;
    width: 100%;
  }
  .main-nav ul li a.nav-link.active {
    border-left: 3px solid var(--primary);
    border-radius: 0 16px 16px 0;
    background: var(--primary-light);
  }
  .btn-cta {
    margin-top: 8px;
    text-align: center;
    width: 100%;
  }
  .hamburger { display: flex; }
  .hero {
    min-height: auto;
    padding: 60px 0 40px;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-left { text-align: center; }
  .hero-buttons { justify-content: center; }
  .hero-phone { max-width: 260px; }
  .hero-rating-bar {
    justify-content: center;
    text-align: center;
  }
  .rating-note {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--border);
    padding-top: 12px;
    width: 100%;
  }
  .featured-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .featured-info h3 { font-size: 15px; }
  .featured-info p { display: none; }
  .recommend-item {
    grid-template-columns: 40px 1fr;
    gap: 16px;
    padding: 16px;
  }
  .recommend-item:nth-child(even) {
    grid-template-columns: 40px 1fr;
  }
  .recommend-thumb {
    grid-column: 1;
    width: 100%;
    height: 80px;
    margin-bottom: 8px;
  }
  .recommend-thumb {
    grid-row: 1;
  }
  .recommend-num {
    grid-row: 1;
  }
  .recommend-content {
    grid-column: 1 / -1;
    grid-row: 2;
  }
  .recommend-link {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: 8px;
  }
  .reviews-layout {
    grid-template-columns: 1fr;
  }
  .review-overall {
    position: static;
    padding: 24px;
  }
  .reviews-scroll {
    grid-auto-columns: 260px;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .value-row {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 48px;
  }
  .value-content {
    max-width: 100%;
  }
  .cta-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .featured-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .featured-card {
    border-radius: 10px;
  }
  .featured-info {
    padding: 12px;
  }
  .featured-info h3 {
    font-size: 14px;
  }
  .featured-meta {
    font-size: 11px;
  }
  .featured-btn {
    display: none;
  }
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  .btn-primary, .btn-outline {
    width: 100%;
    text-align: center;
  }
  .value-title {
    font-size: 22px;
  }
  .faq-question {
    padding: 16px;
    font-size: 15px;
  }
  .faq-answer-inner {
    padding: 0 16px 16px;
    font-size: 14px;
  }
}

/* roulang page: article */
:root {
  --primary: #2F80C1;
  --primary-light: #EAF2F8;
  --primary-lighter: #F0F7FC;
  --secondary: #4DB6A8;
  --accent: #F2994A;
  --accent-hover: #E0862A;
  --dark-bg: #1B3A5B;
  --page-bg: #F5F9FC;
  --card-bg: #FFFFFF;
  --border: #E3EAF0;
  --text: #1E2B38;
  --text-sub: #5B6C7E;
  --text-light: #8A9AA8;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 8px 24px rgba(31,55,74,0.08);
  --shadow-hover: 0 12px 32px rgba(31,55,74,0.16);
  --section-space: 96px;
  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--page-bg); color: var(--text); line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(31,55,74,0.06); }
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--primary), #1E5D8F);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 17px;
  box-shadow: 0 4px 12px rgba(47,128,193,0.28);
}
.logo-text { font-size: 20px; font-weight: 700; color: var(--text); line-height: 1.2; letter-spacing: 0.5px; }
.logo-sub { font-size: 12px; font-weight: 500; color: var(--text-sub); margin-left: 2px; }
.main-nav { display: flex; align-items: center; gap: 24px; }
.main-nav ul { list-style: none; display: flex; gap: 8px; margin: 0; padding: 0; }
.main-nav .nav-link {
  font-size: 14px; font-weight: 600; color: #4A5568;
  padding: 7px 14px; border-radius: 999px;
  position: relative; transition: color .2s ease, background .2s ease;
  text-decoration: none;
}
.main-nav .nav-link::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 2px;
  height: 2px; background: var(--primary); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.main-nav .nav-link:hover { color: var(--primary); }
.main-nav .nav-link:hover::after { transform: scaleX(1); }
.main-nav .nav-link.active { color: var(--primary); background: var(--primary-light); }
.main-nav .nav-link.active::after { display: none; }
.btn-cta {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent); color: #fff; font-size: 14px; font-weight: 600;
  padding: 9px 20px; border-radius: var(--radius-sm);
  transition: background .2s ease, box-shadow .2s ease, transform .15s ease;
  text-decoration: none; border: none; cursor: pointer; white-space: nowrap;
}
.btn-cta:hover { background: var(--accent-hover); color: #fff; box-shadow: 0 6px 18px rgba(242,153,74,0.35); transform: translateY(-1px); }
.btn-cta:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.nav-toggle {
  display: none; background: none; border: none; font-size: 24px; color: var(--text);
  cursor: pointer; padding: 6px; border-radius: 8px;
}
.nav-toggle:focus-visible { outline: 2px solid var(--primary); }

/* ===== Breadcrumb ===== */
.breadcrumb-bar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--text-light); }
.breadcrumb a { color: var(--text-sub); font-weight: 500; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); font-size: 12px; }
.breadcrumb .current { color: var(--text); font-weight: 600; max-width: 260px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ===== Article Head ===== */
.article-head {
  background: linear-gradient(180deg, var(--primary-lighter) 0%, var(--page-bg) 100%);
  padding: 48px 0 36px;
  position: relative;
  overflow: hidden;
}
.article-head::before {
  content: ''; position: absolute; top: -40px; right: -40px;
  width: 200px; height: 200px; border-radius: 50%;
  background: rgba(47,128,193,0.06);
  pointer-events: none;
}
.article-head::after {
  content: ''; position: absolute; bottom: -60px; left: 20%;
  width: 160px; height: 160px; border-radius: 50%;
  background: rgba(77,182,168,0.05);
  pointer-events: none;
}
.article-head-inner { position: relative; z-index: 1; max-width: 860px; margin: 0 auto; text-align: center; }
.article-category {
  display: inline-block; background: var(--secondary); color: #fff; font-size: 13px; font-weight: 600;
  padding: 4px 14px; border-radius: 999px; margin-bottom: 18px; letter-spacing: 0.5px;
}
.article-title {
  font-size: clamp(28px, 4vw, 38px); font-weight: 700; line-height: 1.35;
  color: var(--text); margin-bottom: 16px; letter-spacing: 0.5px;
}
.article-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; font-size: 14px; color: var(--text-sub); }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--primary); font-size: 13px; }

/* ===== Article Main ===== */
.article-main { padding: 56px 0 40px; }
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 860px) minmax(0, 1fr);
  gap: 32px;
  max-width: 1200px; margin: 0 auto;
}
.article-body { grid-column: 2; min-width: 0; }
.article-sidebar { grid-column: 3; position: sticky; top: 100px; align-self: start; }
.toc-box {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow);
}
.toc-box h4 { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); letter-spacing: 1px; }
.toc-box ul { list-style: none; margin: 0; padding: 0; }
.toc-box li { font-size: 13px; color: var(--text-sub); padding: 6px 0; border-bottom: 1px dashed #f0f0f0; }
.toc-box li:last-child { border-bottom: none; }
.toc-box li::before { content: ''; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--secondary); margin-right: 8px; vertical-align: middle; }

/* ===== Article Content ===== */
.article-content { background: var(--card-bg); border-radius: var(--radius-lg); padding: 44px 52px; box-shadow: var(--shadow); }
.article-content h2 { font-size: 24px; font-weight: 700; color: var(--text); margin: 36px 0 14px; padding-top: 20px; border-top: 1px solid var(--border); line-height: 1.4; }
.article-content h2:first-child { margin-top: 0; border-top: none; padding-top: 0; }
.article-content h2::before { content: ''; display: inline-block; width: 4px; height: 20px; background: var(--primary); border-radius: 4px; margin-right: 10px; vertical-align: middle; }
.article-content h3 { font-size: 19px; font-weight: 600; color: var(--text); margin: 24px 0 10px; line-height: 1.4; }
.article-content p { font-size: 16px; line-height: 1.8; color: #2A3744; margin-bottom: 16px; }
.article-content img { border-radius: var(--radius); margin: 20px 0; box-shadow: var(--shadow); }
.article-content blockquote {
  border-left: 4px solid var(--primary); background: var(--primary-lighter);
  padding: 16px 22px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0; font-size: 15px; color: var(--text-sub);
}
.article-content blockquote p { margin-bottom: 0; }
.article-content ul, .article-content ol { margin: 0 0 18px 22px; color: #2A3744; }
.article-content li { margin-bottom: 6px; line-height: 1.75; }
.article-content a { color: var(--primary); border-bottom: 1px solid rgba(47,128,193,0.3); }
.article-content a:hover { border-bottom-color: var(--primary); }
.article-content code {
  background: #F0F2F5; border-radius: 4px; padding: 2px 8px;
  font-family: "SFMono-Regular", Consolas, monospace; font-size: 14px; color: #E05D5D;
}
.article-content pre {
  background: #1E2B38; color: #E8EEF4; border-radius: var(--radius-sm); padding: 20px 24px;
  overflow-x: auto; font-size: 14px; line-height: 1.7; margin-bottom: 16px;
}
.article-content pre code { background: transparent; color: inherit; padding: 0; }

/* ===== Empty State ===== */
.empty-state {
  background: var(--card-bg); border-radius: var(--radius-lg);
  padding: 64px 40px; text-align: center; border: 1px dashed var(--border);
}
.empty-icon {
  width: 72px; height: 72px; border-radius: 50%; background: var(--primary-lighter);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
  color: var(--primary); font-size: 28px;
}
.empty-state h2 { font-size: 22px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.empty-state p { color: var(--text-sub); font-size: 15px; margin-bottom: 24px; }
.btn-primary {
  display: inline-block; background: var(--primary); color: #fff;
  padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600; font-size: 14px;
  transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
  text-decoration: none;
}
.btn-primary:hover { background: #2268A3; color: #fff; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(47,128,193,0.3); }
.btn-primary:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }

/* ===== Post Tags & Nav ===== */
.post-footer-section { padding: 40px 0; }
.post-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 32px; }
.tags-label { font-size: 14px; color: var(--text-sub); font-weight: 600; margin-right: 4px; }
.tag {
  display: inline-block; background: var(--primary-lighter); color: var(--primary);
  font-size: 13px; font-weight: 500; padding: 5px 14px; border-radius: 999px;
  transition: background .2s ease, color .2s ease;
}
.tag:hover { background: var(--primary); color: #fff; }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.post-nav-item {
  display: flex; flex-direction: column; gap: 6px;
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 24px; transition: all .25s ease; text-decoration: none;
}
.post-nav-item:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.nav-label { font-size: 13px; color: var(--text-light); font-weight: 600; letter-spacing: 1px; }
.nav-title { font-size: 15px; font-weight: 600; color: var(--text); line-height: 1.4; }
.post-nav-item:hover .nav-title { color: var(--primary); }
.post-nav-item.next { text-align: right; }
.post-nav-item.next .nav-label { order: 2; }
.post-nav-item.next .nav-title { order: 1; }

/* ===== Related Posts ===== */
.related-section { padding: 56px 0 64px; background: var(--card-bg); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; }
.section-head h2 { font-size: 26px; font-weight: 700; color: var(--text); position: relative; }
.section-head h2::after { content: ''; display: block; width: 48px; height: 3px; border-radius: 3px; background: var(--accent); margin-top: 8px; }
.section-link { font-size: 14px; color: var(--primary); font-weight: 600; text-decoration: none; }
.section-link:hover { color: var(--accent); }
.related-grid { display: flex; flex-direction: column; gap: 24px; }
.related-card {
  display: flex; align-items: center; gap: 24px;
  background: var(--page-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; transition: all .25s ease; text-decoration: none;
  height: 100%;
}
.related-card:hover { box-shadow: var(--shadow-hover); border-color: var(--primary); transform: translateY(-2px); }
.related-thumb { width: 200px; height: 130px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.related-card:hover .related-thumb img { transform: scale(1.05); }
.related-info { flex: 1; min-width: 0; }
.related-info h3 { font-size: 17px; font-weight: 600; color: var(--text); margin-bottom: 8px; line-height: 1.4; transition: color .2s ease; }
.related-card:hover .related-info h3 { color: var(--primary); }
.related-meta { font-size: 13px; color: var(--text-light); display: flex; align-items: center; gap: 12px; }
.related-meta i { color: var(--primary); font-size: 12px; }

/* ===== Comments ===== */
.comments-section { padding: 64px 0; }
.comments-panel { max-width: 860px; margin: 0 auto; }
.comments-panel h2 { font-size: 24px; font-weight: 700; margin-bottom: 24px; color: var(--text); }
.comment-form {
  display: flex; gap: 16px; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow);
}
.comment-avatar {
  width: 44px; height: 44px; border-radius: 50%; background: var(--primary-lighter);
  display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 17px;
  flex-shrink: 0;
}
.comment-input-wrap { flex: 1; }
.comment-input-wrap textarea {
  width: 100%; min-height: 100px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 14px 16px; font-size: 14px; background: #F8FAFC; resize: vertical;
  transition: border-color .2s ease, box-shadow .2s ease; line-height: 1.6;
}
.comment-input-wrap textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(47,128,193,0.12);
}
.comment-actions { display: flex; justify-content: flex-end; margin-top: 14px; }
.btn-submit {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--primary); color: #fff; border: none; border-radius: var(--radius-sm);
  padding: 10px 24px; font-weight: 600; font-size: 14px; cursor: pointer;
  transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
}
.btn-submit:hover { background: #2268A3; box-shadow: 0 6px 18px rgba(47,128,193,0.28); transform: translateY(-1px); }
.btn-submit:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }

/* ===== CTA ===== */
.cta-section { background: var(--dark-bg); padding: 64px 0; position: relative; overflow: hidden; }
.cta-section::before {
  content: ''; position: absolute; top: -60px; right: 80px;
  width: 180px; height: 180px; border-radius: 50%;
  background: rgba(255,255,255,0.05); pointer-events: none;
}
.cta-section::after {
  content: ''; position: absolute; bottom: -80px; left: 60px;
  width: 140px; height: 140px; border-radius: 50%;
  background: rgba(47,128,193,0.12); pointer-events: none;
}
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 40px; position: relative; z-index: 1; flex-wrap: wrap; }
.cta-text h2 { font-size: 28px; font-weight: 700; color: #fff; margin-bottom: 10px; letter-spacing: 0.5px; }
.cta-text p { color: rgba(255,255,255,0.7); font-size: 15px; max-width: 560px; }
.btn-cta-large {
  display: inline-block; background: var(--accent); color: #fff; font-size: 16px; font-weight: 600;
  padding: 14px 36px; border-radius: var(--radius-sm); text-decoration: none;
  transition: all .25s ease; white-space: nowrap;
}
.btn-cta-large:hover { background: var(--accent-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(242,153,74,0.4); }
.btn-cta-large:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ===== Footer ===== */
.site-footer {
  background: #162D44; color: #C8D6E3; padding: 56px 0 0; border-top: 4px solid var(--primary);
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr; gap: 40px; padding-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 16px; color: #fff; }
.footer-brand .logo .logo-text { color: #fff; }
.footer-brand .logo .logo-sub { color: rgba(255,255,255,0.6); }
.footer-desc { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.6); margin-top: 12px; max-width: 360px; }
.footer-title { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--accent); border-radius: 2px; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px; color: rgba(255,255,255,0.6); text-decoration: none;
  transition: color .2s ease, padding-left .2s ease; padding-left: 0;
}
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-contact p { font-size: 14px; color: rgba(255,255,255,0.6); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-contact i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 12px; color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: inherit; }
.footer-bottom a:hover { color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .site-header { padding: 0; }
  .btn-cta { padding: 8px 18px; }
  .nav-container { height: 64px; }
  .nav-toggle { display: block; z-index: 101; }
  .main-nav {
    position: fixed; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    flex-direction: column; align-items: flex-start; gap: 0;
    padding: 20px 24px 28px; display: none;
    box-shadow: 0 20px 40px rgba(31,55,74,0.1);
    max-height: calc(100vh - 64px); overflow-y: auto;
  }
  .main-nav.open { display: flex; }
  .main-nav ul { flex-direction: column; width: 100%; gap: 4px; }
  .main-nav .nav-link {
    display: block; padding: 12px 16px; font-size: 15px;
    border-radius: 8px; border-left: 3px solid transparent;
  }
  .main-nav .nav-link::after { display: none; }
  .main-nav .nav-link.active { background: var(--primary-lighter); border-left-color: var(--primary); }
  .main-nav .btn-cta { margin-top: 16px; width: 100%; justify-content: center; }
  .article-layout { grid-template-columns: 1fr; max-width: 860px; padding: 0 20px; }
  .article-body { grid-column: 1; }
  .article-sidebar { display: none; }
  .article-content { padding: 32px 28px; }
  .related-section { padding: 48px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-box { flex-direction: column; text-align: center; }
  .cta-text p { margin: 0 auto; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .logo-text { font-size: 18px; }
  .logo-mark { width: 34px; height: 34px; font-size: 15px; }
  .article-head { padding: 32px 0 24px; }
  .article-title { font-size: 24px; line-height: 1.4; }
  .article-meta { gap: 14px; font-size: 13px; }
  .article-content { padding: 24px 18px; border-radius: 10px; }
  .article-content h2 { font-size: 20px; }
  .article-content p { font-size: 15px; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav-item.next { text-align: left; }
  .post-nav-item.next .nav-label { order: 1; }
  .post-nav-item.next .nav-title { order: 2; }
  .related-card { flex-direction: column; align-items: stretch; }
  .related-thumb { width: 100%; height: 160px; }
  .comment-form { flex-direction: column; padding: 20px; }
  .comment-avatar { width: 40px; height: 40px; font-size: 15px; }
  .cta-section { padding: 48px 0; }
  .cta-text h2 { font-size: 22px; }
  .btn-cta-large { width: 100%; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-brand .logo { margin-bottom: 8px; }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
    :root {
      --color-primary: #2F80C1;
      --color-primary-dark: #24699E;
      --color-secondary: #4DB6A8;
      --color-accent: #F2994A;
      --color-accent-dark: #E0862A;
      --color-dark-bg: #1B3A5B;
      --color-page-bg: #F5F9FC;
      --color-card-bg: #FFFFFF;
      --color-border: #E3EAF0;
      --color-text: #1E2B38;
      --color-text-sub: #5B6C7E;
      --color-star: #F5A623;
      --color-hover-bg: #EAF2F8;
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-hero: 16px;
      --shadow-card: 0 8px 24px rgba(31, 55, 74, 0.08);
      --shadow-card-hover: 0 12px 32px rgba(31, 55, 74, 0.16);
      --shadow-btn: 0 6px 16px rgba(242, 153, 74, 0.3);
      --space-section: 96px;
      --space-section-mobile: 48px;
      --font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

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

    img {
      max-width: 100%;
      display: block;
      border-radius: var(--radius-card);
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease;
    }

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

    ul,
    ol {
      list-style: none;
    }

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

    /* ========== 区块通用 ========== */
    .section {
      padding: var(--space-section) 0;
    }

    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      background: var(--color-hover-bg);
      color: var(--color-primary);
      font-size: 14px;
      font-weight: 600;
      padding: 4px 16px;
      border-radius: 20px;
      margin-bottom: 12px;
    }

    .section-header h2 {
      font-size: 30px;
      font-weight: 700;
      color: var(--color-text);
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-header p {
      color: var(--color-text-sub);
      font-size: 16px;
      max-width: 600px;
      margin: 0 auto;
    }

    /* ========== Header / Nav ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(227, 234, 240, 0.7);
      box-shadow: 0 2px 12px rgba(31, 55, 74, 0.04);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

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

    .logo-mark {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--color-primary), #5AA7DA);
      color: #fff;
      font-size: 18px;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(47, 128, 193, 0.25);
    }

    .logo-text {
      font-size: 20px;
      font-weight: 700;
      color: var(--color-text);
      line-height: 1.2;
    }

    .logo-sub {
      display: block;
      font-size: 11px;
      font-weight: 600;
      color: var(--color-primary);
      letter-spacing: 0.5px;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 6px;
      margin: 0;
    }

    .nav-menu li {
      margin: 0;
    }

    .nav-link {
      display: inline-block;
      padding: 8px 16px;
      font-size: 14px;
      font-weight: 600;
      color: #4A5568;
      border-radius: 20px;
      transition: color 0.2s ease, background 0.2s ease;
    }

    .nav-link:hover {
      color: var(--color-primary);
      background: rgba(47, 128, 193, 0.06);
    }

    .nav-link.active {
      color: var(--color-primary);
      background: var(--color-hover-bg);
    }

    .btn-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-accent);
      color: #fff;
      font-size: 14px;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: var(--radius-btn);
      box-shadow: var(--shadow-btn);
      transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
      flex-shrink: 0;
    }

    .btn-cta:hover {
      background: var(--color-accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 10px 22px rgba(242, 153, 74, 0.35);
    }

    .btn-cta:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 3px;
    }

    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      padding: 8px;
      border-radius: 6px;
    }

    .nav-toggle span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--color-text);
      border-radius: 2px;
      transition: transform 0.3s ease, opacity 0.3s ease;
    }

    /* ========== 按钮通用 ========== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-accent);
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      box-shadow: var(--shadow-btn);
      transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    }

    .btn-primary:hover {
      background: var(--color-accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(242, 153, 74, 0.38);
    }

    .btn-primary:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 3px;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border: 1px solid var(--color-primary);
      color: var(--color-primary);
      font-size: 15px;
      font-weight: 600;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      background: transparent;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .btn-outline:hover {
      background: var(--color-hover-bg);
      color: var(--color-primary-dark);
    }

    .btn-outline:focus-visible {
      outline: 2px solid var(--color-primary);
      outline-offset: 3px;
    }

    /* ========== 分类页 Hero ========== */
    .cat-hero {
      position: relative;
      background: linear-gradient(110deg, #EAF2F8 0%, #F5F9FC 55%, #FFFFFF 100%);
      background-size: cover;
      background-position: center;
      padding: 88px 0;
      min-height: 520px;
      display: flex;
      align-items: center;
      overflow: hidden;
    }

    .cat-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(234, 242, 248, 0.96) 0%, rgba(234, 242, 248, 0.75) 45%, rgba(255, 255, 255, 0.3) 100%);
      z-index: 1;
    }

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

    .cat-hero-content {
      padding-right: 24px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: #fff;
      color: var(--color-primary);
      font-size: 13px;
      font-weight: 600;
      padding: 6px 16px;
      border-radius: 20px;
      box-shadow: 0 4px 12px rgba(31, 55, 74, 0.08);
      margin-bottom: 20px;
    }

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

    .cat-hero h1 {
      font-size: clamp(28px, 4.5vw, 48px);
      font-weight: 700;
      line-height: 1.25;
      color: var(--color-text);
      margin-bottom: 16px;
    }

    .cat-hero h1 .highlight {
      color: var(--color-primary);
      position: relative;
      white-space: nowrap;
    }

    .hero-desc {
      font-size: 17px;
      color: var(--color-text-sub);
      line-height: 1.75;
      max-width: 540px;
      margin-bottom: 32px;
    }

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

    .cat-hero-media {
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .hero-side-card {
      width: 100%;
      max-width: 300px;
      background: #fff;
      border-radius: var(--radius-hero);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

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

    .hero-side-image {
      position: relative;
      aspect-ratio: 9 / 16;
      overflow: hidden;
    }

    .hero-side-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      border-radius: 0;
    }

    .hot-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: var(--color-accent);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 20px;
      box-shadow: 0 4px 10px rgba(242, 153, 74, 0.35);
    }

    .hero-side-info {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 20px;
      background: linear-gradient(120deg, #fff, #F8FAFC);
    }

    .side-num {
      font-size: 28px;
      font-weight: 700;
      color: var(--color-primary);
      line-height: 1.1;
    }

    .side-label {
      font-size: 13px;
      color: var(--color-text-sub);
    }

    /* ========== 交错内容卡列表 ========== */
    .alternating-section {
      padding: var(--space-section) 0;
      background: var(--color-card-bg);
    }

    .alt-list {
      display: flex;
      flex-direction: column;
      gap: 64px;
      max-width: 1040px;
      margin: 0 auto;
    }

    .alt-item {
      display: flex;
      gap: 48px;
      align-items: center;
    }

    .alt-item:nth-child(even) {
      flex-direction: row-reverse;
    }

    .alt-image {
      flex: 0 0 42%;
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .alt-image img {
      width: 100%;
      aspect-ratio: 4 / 3;
      object-fit: cover;
      border-radius: 0;
    }

    .alt-image:hover {
      transform: scale(1.02);
      box-shadow: var(--shadow-card-hover);
    }

    .alt-content {
      flex: 1;
      padding: 8px 0;
    }

    .alt-tag {
      display: inline-block;
      background: rgba(77, 182, 168, 0.12);
      color: var(--color-secondary);
      font-size: 13px;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
    }

    .alt-content h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--color-text);
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .alt-content p {
      font-size: 16px;
      color: var(--color-text-sub);
      line-height: 1.75;
      margin-bottom: 16px;
    }

    .alt-points {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 20px;
      margin-bottom: 20px;
    }

    .alt-points li {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      color: var(--color-text);
    }

    .alt-points i {
      color: var(--color-secondary);
      font-size: 13px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--color-primary);
      font-size: 15px;
      font-weight: 600;
      transition: gap 0.2s ease, color 0.2s ease;
    }

    .text-link:hover {
      color: var(--color-primary-dark);
      gap: 10px;
    }

    /* ========== 数据亮点横条 ========== */
    .stats-bar {
      background: var(--color-dark-bg);
      padding: 64px 0;
      position: relative;
      overflow: hidden;
    }

    .stats-bar::before {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.04);
      top: -80px;
      right: -60px;
    }

    .stats-bar::after {
      content: "";
      position: absolute;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.03);
      bottom: -70px;
      left: 40px;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 40px;
      position: relative;
      z-index: 1;
    }

    .stat-item {
      text-align: center;
      color: #fff;
      padding: 20px 16px;
    }

    .stat-num {
      display: block;
      font-size: 44px;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 6px;
      color: var(--color-accent);
    }

    .stat-label {
      font-size: 15px;
      color: #C8D6E3;
    }

    /* ========== FAQ ========== */
    .faq-section {
      padding: var(--space-section) 0;
      background: var(--color-page-bg);
    }

    .faq-list {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      transition: box-shadow 0.2s ease;
    }

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

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--color-text);
      text-align: left;
      background: #fff;
      transition: background 0.2s ease;
    }

    .faq-question:hover {
      background: #F8FAFC;
    }

    .faq-question .faq-icon {
      flex-shrink: 0;
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 2px solid var(--color-border);
      border-radius: 50%;
      font-size: 14px;
      color: var(--color-primary);
      transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
    }

    .faq-item.active .faq-question {
      background: var(--color-hover-bg);
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      background: var(--color-primary);
      border-color: var(--color-primary);
      color: #fff;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      color: var(--color-text-sub);
      font-size: 15px;
      line-height: 1.75;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
    }

    /* ========== CTA 条 ========== */
    .cta-section {
      background: var(--color-dark-bg);
      padding: 64px 0;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, 0.06);
      top: -60px;
      left: 30%;
    }

    .cta-section::after {
      content: "";
      position: absolute;
      width: 140px;
      height: 140px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, 0.05);
      bottom: -40px;
      right: 15%;
    }

    .cta-section .container {
      position: relative;
      z-index: 1;
    }

    .cta-section h2 {
      color: #fff;
      font-size: clamp(24px, 3vw, 32px);
      font-weight: 700;
      margin-bottom: 12px;
    }

    .cta-section p {
      color: #C8D6E3;
      font-size: 16px;
      max-width: 560px;
      margin: 0 auto 28px;
    }

    .btn-accent-light {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-accent);
      color: #fff;
      font-size: 16px;
      font-weight: 600;
      padding: 14px 36px;
      border-radius: var(--radius-btn);
      box-shadow: var(--shadow-btn);
      transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    }

    .btn-accent-light:hover {
      background: var(--color-accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(242, 153, 74, 0.4);
    }

    .btn-accent-light:focus-visible {
      outline: 2px solid var(--color-accent);
      outline-offset: 3px;
    }

    /* ========== Footer ========== */
    .site-footer {
      background: var(--color-dark-bg);
      color: #C8D6E3;
      padding: 72px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
      gap: 40px;
      padding-bottom: 48px;
    }

    .footer-brand .logo {
      margin-bottom: 16px;
    }

    .footer-brand .logo-text {
      color: #fff;
    }

    .footer-brand .logo-sub {
      color: #8AB8D8;
    }

    .footer-brand .logo-mark {
      background: rgba(255, 255, 255, 0.1);
      color: #fff;
    }

    .footer-desc {
      font-size: 14px;
      line-height: 1.75;
      color: #A3B8CC;
      max-width: 340px;
      margin-top: 12px;
    }

    .footer-title {
      color: #fff;
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 16px;
    }

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

    .footer-links a {
      font-size: 14px;
      color: #C8D6E3;
      transition: color 0.2s ease;
    }

    .footer-links a:hover {
      color: #fff;
    }

    .footer-contact p {
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
      color: #C8D6E3;
    }

    .footer-contact i {
      color: var(--color-secondary);
      width: 18px;
      text-align: center;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 20px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
      color: #8FA8C0;
    }

    .footer-bottom a {
      color: inherit;
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1024px) {
      .alt-item {
        gap: 32px;
      }

      .alt-content h3 {
        font-size: 20px;
      }

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

    @media (max-width: 768px) {
      .container {
        padding: 0 20px;
      }

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

      .section-header {
        margin-bottom: 32px;
      }

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

      /* 移动端导航 */
      .nav-toggle {
        display: flex;
      }

      .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 16px 24px 24px;
        box-shadow: 0 8px 32px rgba(31, 55, 74, 0.12);
        transform: translateY(-120%);
        opacity: 0;
        transition: transform 0.3s ease, opacity 0.3s ease;
        border-radius: 0 0 16px 16px;
        z-index: 99;
      }

      .main-nav.open {
        transform: translateY(0);
        opacity: 1;
      }

      .nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        margin-bottom: 16px;
      }

      .nav-link {
        display: block;
        padding: 12px 16px;
        border-radius: 8px;
      }

      .nav-link.active {
        border-left: 3px solid var(--color-primary);
      }

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

      /* Hero */
      .cat-hero {
        padding: 56px 0;
        min-height: auto;
      }

      .cat-hero-content {
        padding-right: 0;
        margin-bottom: 32px;
      }

      .cat-hero-media {
        justify-content: center;
      }

      .hero-side-card {
        max-width: 240px;
      }

      /* 交错卡 */
      .alt-item,
      .alt-item:nth-child(even) {
        flex-direction: column;
        gap: 24px;
      }

      .alt-image {
        flex: 0 0 100%;
        width: 100%;
      }

      .alt-image img {
        aspect-ratio: 16 / 10;
      }

      .alt-content {
        padding: 0;
      }

      /* 数据条 */
      .stats-grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }

      .stat-num {
        font-size: 36px;
      }

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

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

    @media (max-width: 640px) {
      .hero-actions {
        flex-direction: column;
      }

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

      .alt-list {
        gap: 48px;
      }
    }

/* roulang page: category3 */
:root {
            --primary: #2F80C1;
            --primary-light: #EAF2F8;
            --teal: #4DB6A8;
            --amber: #F2994A;
            --amber-hover: #E0862A;
            --dark-bg: #1B3A5B;
            --page-bg: #F5F9FC;
            --card-bg: #FFFFFF;
            --border: #E3EAF0;
            --text-main: #1E2B38;
            --text-sub: #5B6C7E;
            --star: #F5A623;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 8px 24px rgba(31, 55, 74, 0.08);
            --shadow-hover: 0 12px 32px rgba(31, 55, 74, 0.16);
            --container: 1200px;
            --space-section: 96px;
            --space-section-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--page-bg);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }

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

        ul {
            list-style: none;
        }

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

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow .3s;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(31, 55, 74, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            flex-shrink: 0;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(47, 128, 193, 0.3);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
        }

        .logo-sub {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-sub);
            margin-left: 2px;
        }

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

        .main-nav ul {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
        }

        .main-nav ul li {
            margin: 0;
        }

        .main-nav .nav-link {
            display: inline-block;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            color: #4A5568;
            border-radius: 999px;
            transition: all .25s;
            position: relative;
        }

        .main-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(47, 128, 193, 0.06);
        }

        .main-nav .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transition: width .25s;
        }

        .main-nav .nav-link:hover::after {
            width: 40%;
        }

        .main-nav .nav-link.active {
            background: var(--primary-light);
            color: var(--primary);
        }

        .main-nav .nav-link.active::after {
            display: none;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 24px;
            background: var(--amber);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all .25s;
            box-shadow: 0 4px 14px rgba(242, 153, 74, 0.35);
            margin-left: 12px;
        }

        .btn-cta:hover {
            background: var(--amber-hover);
            box-shadow: 0 6px 20px rgba(242, 153, 74, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-cta:focus-visible {
            outline: 2px solid var(--amber);
            outline-offset: 3px;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: none;
            transition: background .2s;
        }

        .hamburger:hover {
            background: #d8e8f4;
        }

        /* Hero */
        .cat3-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(47, 128, 193, 0.12) 0%, rgba(245, 249, 252, 0.6) 50%, rgba(77, 182, 168, 0.1) 100%);
            padding: 88px 0 72px;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .cat3-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(47, 128, 193, 0.06);
        }

        .cat3-hero .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 20px;
            max-width: 680px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(77, 182, 168, 0.12);
            color: var(--teal);
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            letter-spacing: 0.5px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .cat3-hero h1 {
            font-size: clamp(30px, 4.5vw, 46px);
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-main);
            margin: 0;
        }

        .cat3-hero h1 span {
            color: var(--primary);
            position: relative;
        }

        .cat3-hero p {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            margin-top: 8px;
        }

        .btn-primary,
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 700;
            border-radius: 8px;
            cursor: pointer;
            transition: all .25s;
            border: none;
        }

        .btn-primary {
            background: var(--amber);
            color: #fff;
            box-shadow: 0 4px 16px rgba(242, 153, 74, 0.35);
        }

        .btn-primary:hover {
            background: var(--amber-hover);
            box-shadow: 0 8px 24px rgba(242, 153, 74, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--amber);
            outline-offset: 3px;
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

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

        .btn-secondary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        .hero-panel {
            position: absolute;
            right: 4%;
            top: 50%;
            transform: translateY(-50%);
            width: 220px;
            background: var(--card-bg);
            border-radius: 16px;
            padding: 24px;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border);
            text-align: center;
            display: block;
        }

        .hero-panel .score-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .hero-panel .score-stars {
            color: var(--star);
            font-size: 14px;
            margin: 8px 0 4px;
        }

        .hero-panel .score-label {
            font-size: 13px;
            color: var(--text-sub);
        }

        .hero-panel::before {
            content: '';
            position: absolute;
            top: -8px;
            left: -8px;
            width: 60px;
            height: 60px;
            background: rgba(77, 182, 168, 0.12);
            border-radius: 50%;
            z-index: -1;
        }

        /* Main section */
        .cat3-main {
            padding: var(--space-section) 0;
        }

        .cat3-grid {
            display: flex;
            gap: 48px;
            align-items: flex-start;
        }

        .cat3-left {
            flex: 5;
            min-width: 0;
        }

        .cat3-right {
            flex: 7;
            min-width: 0;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.3;
            position: relative;
        }

        .section-title i {
            color: var(--primary);
            margin-right: 8px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-sub);
            margin-bottom: 28px;
        }

        /* FAQ Accordion */
        .faq-accordion {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            transition: background .2s;
        }

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

        .faq-item.active {
            background: #F0F7FC;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            transition: color .2s;
            user-select: none;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary);
            transition: all .25s;
            flex-shrink: 0;
            margin-left: 16px;
            font-weight: 300;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 24px;
        }

        .faq-answer p {
            padding-bottom: 20px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-sub);
        }

        /* Right column image + list */
        .cat3-visual {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            margin-bottom: 32px;
            position: relative;
        }

        .cat3-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
            min-height: 260px;
        }

        .cat3-visual .visual-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--ambient, var(--amber));
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .cat3-points {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 28px 32px;
        }

        .cat3-points .points-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .points-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .points-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
        }

        .points-list li i {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            margin-top: 2px;
        }

        /* Data bar */
        .data-bar {
            background: var(--dark-bg);
            padding: 48px 0;
            color: #fff;
        }

        .data-grid {
            display: flex;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .data-item {
            text-align: center;
            flex: 1;
            min-width: 180px;
        }

        .data-item .num {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .data-item .num i {
            color: var(--amber);
            font-style: normal;
        }

        .data-item .label {
            font-size: 13px;
            color: #A8C4DE;
            margin-top: 6px;
        }

        /* Contact section */
        .contact-section {
            padding: var(--space-section) 0;
            background: var(--page-bg);
        }

        .contact-card {
            background: var(--card-bg);
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-hover);
            padding: 48px;
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            gap: 48px;
        }

        .contact-left {
            flex: 5;
        }

        .contact-right {
            flex: 7;
        }

        .contact-left h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .contact-left p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .contact-meta {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .contact-meta li i {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            height: 44px;
            background: #F8FAFC;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 0 16px;
            font-size: 14px;
            color: var(--text-main);
            transition: all .25s;
        }

        .form-group textarea {
            height: 100px;
            padding: 12px 16px;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 128, 193, 0.15);
            background: #fff;
        }

        .form-group input:hover,
        .form-group textarea:hover {
            border-color: #c0d4e4;
        }

        .btn-submit {
            height: 44px;
            padding: 0 32px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: all .25s;
            align-self: flex-start;
            box-shadow: 0 4px 14px rgba(47, 128, 193, 0.3);
        }

        .btn-submit:hover {
            background: #256da8;
            box-shadow: 0 6px 20px rgba(47, 128, 193, 0.4);
            transform: translateY(-1px);
        }

        .btn-submit:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        .form-note {
            font-size: 12px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        /* Footer */
        .site-footer {
            background: var(--dark-bg);
            color: #C8D6E3;
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo .logo-text {
            color: #fff;
        }

        .footer-brand .logo .logo-sub {
            color: #A8C4DE;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #A8C4DE;
            max-width: 280px;
            margin-bottom: 20px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

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

        .footer-links a {
            font-size: 14px;
            color: #A8C4DE;
            transition: color .2s;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-contact p {
            font-size: 14px;
            color: #A8C4DE;
            margin-bottom: 10px;
            display: flex;
            gap: 8px;
            align-items: center;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: #7E9AB8;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cat3-grid {
                flex-direction: column;
                gap: 40px;
            }

            .cat3-left,
            .cat3-right {
                flex: 1;
                width: 100%;
            }

            .contact-card {
                flex-direction: column;
                padding: 32px;
            }

            .hero-panel {
                display: none;
            }

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

        @media (max-width: 768px) {
            .header-inner {
                height: 64px;
            }

            .main-nav {
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 16px 20px;
                flex-direction: column;
                align-items: stretch;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
                z-index: 999;
            }

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

            .main-nav ul {
                flex-direction: column;
                gap: 4px;
            }

            .main-nav ul li {
                width: 100%;
            }

            .main-nav .nav-link {
                display: block;
                padding: 12px 16px;
                border-radius: 8px;
            }

            .main-nav .nav-link.active {
                border-left: 3px solid var(--primary);
                border-radius: 8px 0 0 8px;
                background: var(--primary-light);
            }

            .btn-cta {
                margin-left: 0;
                margin-top: 12px;
                justify-content: center;
            }

            .hamburger {
                display: flex;
                margin-left: auto;
            }

            .cat3-hero {
                padding: 56px 0 48px;
            }

            .data-grid {
                flex-direction: column;
                gap: 24px;
            }

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

            .contact-card {
                padding: 24px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            :root {
                --space-section: 48px;
            }

            .container {
                padding: 0 16px;
            }

            .logo-text {
                font-size: 17px;
            }

            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .cat3-hero h1 {
                font-size: 28px;
            }

            .section-title {
                font-size: 22px;
            }

            .cat3-points {
                padding: 20px;
            }

            .points-list li {
                font-size: 13px;
            }

            .data-item .num {
                font-size: 32px;
            }
        }

/* roulang page: category2 */
/* ===== Design Tokens ===== */
        :root {
            --primary: #2F80C1;
            --primary-dark: #256a9e;
            --primary-light: #EAF2F8;
            --secondary: #4DB6A8;
            --accent: #F2994A;
            --accent-dark: #E0862A;
            --dark-bg: #1B3A5B;
            --page-bg: #F5F9FC;
            --card-bg: #FFFFFF;
            --border: #E3EAF0;
            --text-main: #1E2B38;
            --text-secondary: #5B6C7E;
            --star: #F5A623;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 8px 24px rgba(31, 55, 74, 0.08);
            --shadow-hover: 0 12px 32px rgba(31, 55, 74, 0.16);
            --container: 1200px;
            --gap: 24px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background: var(--page-bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        ul {
            list-style: none;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        :focus-visible {
            outline: 2px solid rgba(47, 128, 193, .5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Section Title ===== */
        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-head .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
        }
        .section-head p {
            color: var(--text-secondary);
            max-width: 640px;
            margin: 12px auto 0;
            font-size: 15px;
        }
        .section {
            padding: 80px 0;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(31, 55, 74, .08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            position: relative;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #4ea3e0);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(47, 128, 193, .25);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.2;
            letter-spacing: .5px;
        }
        .logo-sub {
            display: block;
            font-size: 11px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 2px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav ul {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .main-nav .nav-link {
            font-size: 14px;
            font-weight: 600;
            color: #4A5568;
            padding: 8px 14px;
            border-radius: 20px;
            transition: color .2s ease, background .2s ease;
            position: relative;
        }
        .main-nav .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .main-nav .nav-link.active {
            background: var(--primary-light);
            color: var(--primary);
        }
        .btn-cta {
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 8px;
            transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
            box-shadow: 0 4px 12px rgba(242, 153, 74, .25);
            white-space: nowrap;
        }
        .btn-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(242, 153, 74, .32);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: var(--primary-light);
        }
        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: transform .3s ease, opacity .3s ease;
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 8px;
            border: none;
            box-shadow: 0 4px 14px rgba(242, 153, 74, .28);
            transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(242, 153, 74, .36);
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 8px;
            border: 1px solid var(--primary);
            transition: background .2s ease, color .2s ease;
            text-decoration: none;
        }
        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .btn-block {
            display: block;
            width: 100%;
            text-align: center;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 34px;
            border-radius: 8px;
            box-shadow: 0 4px 16px rgba(242, 153, 74, .3);
            transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
            text-decoration: none;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(242, 153, 74, .35);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #C8D6E3;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 34px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, .5);
            transition: background .2s ease, border-color .2s ease;
            text-decoration: none;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .08);
            color: #fff;
            border-color: #fff;
        }

        /* ===== Hero / 海报区 ===== */
        .feature-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(234, 242, 248, .95) 30%, rgba(245, 249, 252, .88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 96px 0 72px;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }
        .feature-hero::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(47, 128, 193, .06);
            top: -120px;
            right: -100px;
            pointer-events: none;
        }
        .hero-inner {
            align-items: center;
            gap: 32px;
            position: relative;
            z-index: 2;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .85);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            box-shadow: 0 2px 8px rgba(31, 55, 74, .06);
            margin-bottom: 18px;
        }
        .hero-tag i {
            color: var(--star);
        }
        .feature-hero h1 {
            font-size: clamp(28px, 4.5vw, 44px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: .5px;
        }
        .feature-hero h1 .highlight {
            position: relative;
            color: var(--primary);
            white-space: nowrap;
        }
        .feature-hero h1 .highlight::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 2px;
            width: 100%;
            height: 10px;
            background: rgba(242, 153, 74, .25);
            border-radius: 4px;
            z-index: -1;
        }
        .hero-sub {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 28px;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Hero Visual */
        .hero-visual {
            display: flex;
            justify-content: center;
        }
        .poster-card {
            width: 100%;
            max-width: 340px;
            background: var(--card-bg);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(31, 55, 74, .14);
            position: relative;
            border: 1px solid rgba(255, 255, 255, .8);
        }
        .poster-img {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
        }
        .poster-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .poster-card:hover .poster-img img {
            transform: scale(1.03);
        }
        .poster-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
            box-shadow: 0 4px 12px rgba(242, 153, 74, .3);
        }
        .poster-info {
            display: flex;
            gap: 12px;
            padding: 16px;
            background: #fff;
        }
        .poster-info .stat-box {
            flex: 1;
            background: var(--page-bg);
            border-radius: 10px;
            padding: 12px 8px;
            text-align: center;
        }
        .stat-box .stat-num {
            display: block;
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-box .stat-label {
            display: block;
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ===== 评分条 ===== */
        .score-strip {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }
        .score-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .score-rate {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .score-rate .stars {
            color: var(--star);
            letter-spacing: 2px;
        }
        .score-rate strong {
            color: var(--text-main);
            font-size: 16px;
        }
        .score-note {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .score-note i {
            color: var(--secondary);
        }

        /* ===== 单列介绍区 ===== */
        .intro-section {
            padding: 80px 0;
        }
        .intro-main {
            padding-right: 32px;
        }
        .intro-main .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
        }
        .intro-main h2 {
            font-size: clamp(22px, 2.5vw, 30px);
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.4;
        }
        .intro-main p {
            color: var(--text-secondary);
            margin-bottom: 16px;
            line-height: 1.8;
        }
        .intro-main .intro-img {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-top: 24px;
        }
        .intro-main .intro-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .intro-main .intro-img:hover img {
            transform: scale(1.02);
        }

        /* 右侧窄栏 */
        .intro-sidebar .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, .8);
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-main);
        }
        .sidebar-card h3 i {
            color: var(--primary);
        }
        .sidebar-card ul {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .sidebar-card li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .sidebar-card li i {
            color: var(--secondary);
            margin-top: 3px;
        }
        .sidebar-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card p i {
            color: var(--primary);
            width: 18px;
        }
        .sidebar-card .btn-primary {
            margin-top: 12px;
        }

        /* ===== 编号列表 ===== */
        .features-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 48px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .feature-item {
            display: flex;
            align-items: center;
            gap: 36px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px;
            box-shadow: var(--shadow);
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .feature-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .feature-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            flex-shrink: 0;
            width: 80px;
            text-align: center;
        }
        .feature-text {
            flex: 1;
        }
        .feature-text h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .feature-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .feature-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .feature-tags .tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
        }
        .feature-img {
            flex-shrink: 0;
            width: 220px;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(31, 55, 74, .1);
        }
        .feature-img img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .feature-item:hover .feature-img img {
            transform: scale(1.05);
        }

        /* ===== 数据条 ===== */
        .stats-section {
            background: var(--dark-bg);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .04);
            top: -120px;
            left: -80px;
        }
        .stats-grid {
            display: flex;
            gap: 24px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        .stats-grid .stat-item {
            background: rgba(255, 255, 255, .06);
            border-radius: var(--radius);
            padding: 28px 36px;
            text-align: center;
            min-width: 160px;
            border: 1px solid rgba(255, 255, 255, .08);
        }
        .stats-grid .stat-num {
            display: block;
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: 1px;
        }
        .stats-grid .stat-label {
            display: block;
            font-size: 13px;
            color: #C8D6E3;
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
        }
        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: box-shadow .3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-item.open {
            background: var(--primary-light);
            border-color: rgba(47, 128, 193, .2);
        }
        .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            background: transparent;
            transition: color .2s ease;
        }
        .faq-toggle i {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border);
            color: var(--primary);
            font-size: 13px;
            transition: transform .3s ease, background .3s ease, color .3s ease;
        }
        .faq-item.open .faq-toggle i {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .faq-content {
            max-height: 0;
            overflow: hidden;
            padding: 0 24px;
            transition: max-height .3s ease, padding .3s ease;
        }
        .faq-item.open .faq-content {
            max-height: 320px;
            padding: 0 24px 20px;
        }
        .faq-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            border-left: 3px solid var(--primary);
            padding-left: 14px;
            margin-top: 4px;
        }

        /* ===== CTA 深色 ===== */
        .cta-dark {
            background: var(--dark-bg);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-dark::before,
        .cta-dark::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, .03);
        }
        .cta-dark::before {
            width: 260px;
            height: 260px;
            top: -90px;
            right: 10%;
        }
        .cta-dark::after {
            width: 180px;
            height: 180px;
            bottom: -60px;
            left: 15%;
        }
        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .cta-inner h2 {
            color: #fff;
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            margin-bottom: 14px;
        }
        .cta-inner p {
            color: #C8D6E3;
            font-size: 15px;
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-bg);
            color: #C8D6E3;
            padding: 64px 0 0;
            font-size: 14px;
            border-top: 4px solid var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand .logo-sub {
            color: #A0B4C4;
        }
        .footer-desc {
            color: #A0B4C4;
            line-height: 1.7;
            font-size: 14px;
            margin-top: 10px;
            max-width: 280px;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: #A0B4C4;
            font-size: 14px;
            transition: color .2s ease, padding-left .2s ease;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-contact p {
            color: #A0B4C4;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }
        .footer-contact p i {
            color: var(--secondary);
            width: 18px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: #8FA3B3;
        }
        .footer-bottom a {
            color: inherit;
            text-decoration: underline;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .header-inner {
                height: 60px;
            }
            .main-nav {
                gap: 14px;
            }
            .main-nav ul {
                gap: 2px;
            }
            .main-nav .nav-link {
                padding: 6px 10px;
                font-size: 13px;
            }
            .feature-hero {
                padding: 64px 0 48px;
            }
            .feature-item {
                padding: 24px;
                gap: 20px;
                flex-wrap: wrap;
            }
            .feature-num {
                width: 60px;
                font-size: 38px;
            }
            .feature-img {
                width: 180px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 20px;
                box-shadow: 0 12px 32px rgba(31, 55, 74, .16);
                transform: translateY(-20px);
                opacity: 0;
                visibility: hidden;
                transition: transform .3s ease, opacity .3s ease, visibility .3s ease;
                max-height: calc(100vh - 60px);
                overflow-y: auto;
                border-radius: 0 0 16px 16px;
                border-bottom: 2px solid var(--primary);
                z-index: 99;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 4px;
                align-items: stretch;
            }
            .main-nav .nav-link {
                display: block;
                text-align: center;
                padding: 12px;
                font-size: 15px;
            }
            .main-nav .nav-link.active {
                border-left: 3px solid var(--primary);
                border-radius: 8px;
            }
            .btn-cta {
                text-align: center;
                margin-top: 12px;
            }
            .hero-visual {
                margin-top: 24px;
            }
            .intro-main {
                padding-right: 0;
            }
            .intro-sidebar {
                margin-top: 32px;
            }
            .feature-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .feature-img {
                width: 100%;
                height: auto;
            }
            .feature-img img {
                height: 180px;
                width: 100%;
            }
            .stats-grid {
                gap: 16px;
            }
            .stats-grid .stat-item {
                padding: 20px 24px;
                min-width: 130px;
            }
            .stats-grid .stat-num {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .hero-cta {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta .btn-primary,
            .hero-cta .btn-outline {
                text-align: center;
                justify-content: center;
            }
            .poster-card {
                max-width: 100%;
            }
            .feature-num {
                font-size: 32px;
                width: 50px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-buttons .btn-accent,
            .cta-buttons .btn-outline-light {
                text-align: center;
                justify-content: center;
            }
        }