/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #1D5B4B;
  --primary-dark: #174838;
  --primary-light: #E8EFEA;
  --accent: #C8A45D;
  --accent-dark: #B08F45;
  --bg: #F6F4EF;
  --dark-bg: #142523;
  --text: #2B2A27;
  --text-secondary: #6E6A63;
  --border: #E3DED3;
  --card-bg: #FFFFFF;
  --tag-bg: #F0EBE0;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(20,37,35,0.06);
  --shadow-hover: 0 8px 24px rgba(20,37,35,0.12);
  --transition: 0.2s ease;
  --section-pad: 88px 0;
  --container-max: 1200px;
  --header-h: 72px;
  --mobile-tab-h: 60px;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: var(--mobile-tab-h);
  -webkit-font-smoothing: antialiased;
}
@media (min-width: 640px) {
  body { padding-bottom: 0; }
}
a { text-decoration: none; color: var(--primary); transition: color 0.2s ease; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; outline: none; }
h1, h2, h3, h4 { line-height: 1.3; color: var(--text); font-weight: 700; }

/* ===== 工具类 ===== */
.grid-container { max-width: 1200px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.section-padding { padding: var(--section-pad); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  flex-wrap: wrap;
  gap: 12px;
}
.section-head h2 { font-size: 30px; font-weight: 700; position: relative; }
.section-head h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 36px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}
.section-sub { color: var(--text-secondary); font-size: 14px; }
.view-all {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.view-all i { font-size: 12px; transition: transform 0.2s ease; }
.view-all:hover i { transform: translateX(4px); }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--primary);
  color: #fff !important;
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(29,91,75,0.3);
}
.btn-gold {
  background: var(--accent);
  color: var(--dark-bg) !important;
}
.btn-gold:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(200,164,93,0.35);
}
.btn-outline-light {
  background: transparent;
  color: #fff !important;
  border-color: rgba(255,255,255,0.6);
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}
.btn-sm { padding: 8px 18px; font-size: 13px; border-radius: 6px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: linear-gradient(180deg, rgba(20,37,35,0.5) 0%, rgba(20,37,35,0.15) 60%, transparent 100%);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.site-header.scrolled {
  background: var(--dark-bg);
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  flex-shrink: 0;
}
.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border: 1px solid rgba(200,164,93,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--accent);
}
.brand-text {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.main-nav .nav-link {
  display: inline-block;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  border-radius: 6px;
  position: relative;
  transition: color 0.2s ease, background 0.2s ease;
}
.main-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}
.main-nav .nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); }
.main-nav .nav-link:hover::after { transform: scaleX(1); }
.main-nav .nav-link.active { color: #fff; }
.main-nav .nav-link.active::after { transform: scaleX(1); }
.nav-cta {
  margin-left: 16px;
  padding: 10px 22px;
  font-size: 14px;
  white-space: nowrap;
}
.menu-toggle {
  display: none;
  color: #fff;
  font-size: 22px;
  padding: 6px;
}
@media (max-width: 640px) {
  .site-header { background: rgba(20,37,35,0.85); }
  .header-inner { justify-content: center; }
  .main-nav, .nav-cta { display: none; }
  .brand-text { font-size: 14px; }
  .brand-logo { width: 32px; height: 32px; font-size: 16px; }
}

/* ===== 移动端底部 Tab ===== */
.mobile-tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--mobile-tab-h);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: stretch;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.06);
}
@media (min-width: 641px) {
  .mobile-tab-bar { display: none; }
}
.mobile-tab-bar .tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 500;
  transition: color 0.2s ease;
}
.mobile-tab-bar .tab-item i { font-size: 20px; }
.mobile-tab-bar .tab-item.active { color: var(--primary); }
.mobile-tab-bar .tab-item:hover { color: var(--primary); }

/* ===== Hero 首屏 ===== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(20,37,35,0.82) 0%, rgba(20,37,35,0.62) 50%, rgba(20,37,35,0.35) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: 30px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: #EDEAE2;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}
.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.hero-text { max-width: 640px; }
.hero-text h1 {
  color: #fff;
  font-size: 50px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero-text h1 .brand-mark { color: var(--accent); }
.hero-subtitle {
  color: #EDEAE2;
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 540px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: 12px;
  letter-spacing: 1px;
}
.scroll-hint i {
  font-size: 14px;
  animation: scrollBounce 1.8s ease infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 0.7; }
  50% { transform: translateY(8px); opacity: 1; }
}
@media (max-width: 640px) {
  .hero-section { min-height: 92vh; }
  .hero-text h1 { font-size: 34px; }
  .hero-subtitle { font-size: 15px; }
  .hero-actions .btn { padding: 10px 20px; font-size: 14px; }
  .hero-badge { font-size: 12px; padding: 5px 14px; }
}

/* ===== 快速入口条 ===== */
.quick-links-section {
  padding: 24px 0 8px;
  margin-top: -40px;
  position: relative;
  z-index: 5;
}
.quick-links-bar {
  display: flex;
  flex-wrap: nowrap;
  gap: 12px;
  background: var(--card-bg);
  border-radius: 16px;
  padding: 18px 24px;
  box-shadow: 0 6px 24px rgba(20,37,35,0.1);
  overflow-x: auto;
  scrollbar-width: none;
}
.quick-links-bar::-webkit-scrollbar { display: none; }
.quick-link {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 30px;
  background: var(--tag-bg);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.quick-link i { color: var(--primary); font-size: 13px; }
.quick-link:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.quick-link:hover i { color: var(--accent); }
@media (max-width: 640px) {
  .quick-links-section { margin-top: -20px; padding: 16px 0 4px; }
  .quick-links-bar { padding: 14px 16px; border-radius: 14px; }
  .quick-link { padding: 8px 16px; font-size: 13px; }
}

/* ===== 横向滑动片库 ===== */
.slide-section { padding: 64px 0 20px; overflow: hidden; }
.slide-wrapper { position: relative; }
.slide-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 20px 4px 28px;
  scrollbar-width: none;
  scroll-behavior: smooth;
}
.slide-track::-webkit-scrollbar { display: none; }
.slide-card {
  flex-shrink: 0;
  width: 280px;
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.slide-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.slide-cover {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--primary-light);
}
.slide-cover img { width: 100%; height: 100%; object-fit: cover; }
.slide-cover .cover-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: rgba(29,91,75,0.35);
  font-weight: 700;
}
.slide-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(20,37,35,0.75);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(4px);
}
.slide-card-body { padding: 16px 18px 20px; }
.slide-card-body h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.slide-card-body p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.slide-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--dark-bg);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.2);
  transition: background 0.2s ease, transform 0.2s ease;
}
.slide-arrow:hover { background: var(--primary); }
.slide-arrow.prev { left: -8px; }
.slide-arrow.next { right: -8px; }
@media (max-width: 640px) {
  .slide-card { width: 230px; }
  .slide-arrow { display: none; }
  .slide-section { padding: 48px 0 12px; }
}

/* ===== 热播推荐 ===== */
.hot-picks-section { padding: var(--section-pad); }
.hot-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.hot-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card-bg);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.hot-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.hot-card-lg { min-height: 480px; }
.hot-card-sm { min-height: 230px; }
.hot-card .hot-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hot-card .hot-img-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-light), #d5e0d8);
  z-index: 0;
}
.hot-card .hot-img-placeholder span {
  font-size: 60px;
  color: rgba(29,91,75,0.2);
  font-weight: 700;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.hot-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,37,35,0.1) 0%, rgba(20,37,35,0.35) 50%, rgba(20,37,35,0.85) 100%);
  z-index: 1;
}
.hot-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 3;
  padding: 5px 16px;
  border-radius: 20px;
  background: rgba(240,235,224,0.9);
  border: 1px solid rgba(200,164,93,0.5);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  backdrop-filter: blur(4px);
}
.hot-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  padding: 24px;
}
.hot-info h3 { color: #fff; font-size: 22px; font-weight: 700; margin-bottom: 6px; }
.hot-card-sm .hot-info h3 { font-size: 19px; }
.hot-info p { color: rgba(255,255,255,0.8); font-size: 14px; margin-bottom: 14px; line-height: 1.6; }
.hot-info .btn { font-size: 13px; padding: 8px 20px; }
@media (max-width: 900px) {
  .hot-grid { grid-template-columns: 1fr; }
  .hot-card-lg { min-height: 400px; }
}
@media (max-width: 640px) {
  .hot-card-lg { min-height: 320px; }
  .hot-info h3 { font-size: 18px; }
  .hot-info p { font-size: 13px; }
  .hot-info { padding: 18px; }
}

/* ===== 片单分区（编辑列表） ===== */
.playlist-section { background: #fff; }
.playlist-list {
  border-top: 1px solid var(--border);
}
.playlist-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 12px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}
.playlist-item:hover { background: var(--primary-light); }
.playlist-num {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  width: 48px;
  flex-shrink: 0;
  text-align: center;
}
.playlist-info { flex: 1; min-width: 0; }
.playlist-info h3 { font-size: 17px; font-weight: 600; margin-bottom: 4px; transition: color 0.2s ease; }
.playlist-item:hover .playlist-info h3 { color: var(--primary); }
.playlist-info p { font-size: 14px; color: var(--text-secondary); line-height: 1.5; }
.playlist-meta { color: var(--text-secondary); font-size: 13px; flex-shrink: 0; }
@media (max-width: 640px) {
  .playlist-item { flex-wrap: wrap; gap: 8px; padding: 18px 8px; }
  .playlist-num { width: 32px; font-size: 18px; }
  .playlist-info h3 { font-size: 15px; }
  .playlist-info p { font-size: 13px; }
  .playlist-meta { width: 100%; padding-left: 40px; font-size: 12px; }
}

/* ===== CTA 转化区 ===== */
.cta-section { padding: var(--section-pad); }
.cta-box {
  background: var(--dark-bg);
  border-radius: 20px;
  padding: 64px 48px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-box::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(200,164,93,0.25);
}
.cta-box::after {
  content: "";
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.08);
}
.cta-box h2 {
  color: #fff;
  font-size: 32px;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}
.cta-box p {
  color: rgba(255,255,255,0.7);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 2;
  line-height: 1.7;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.cta-form input {
  flex: 1;
  padding: 13px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 14px;
  transition: border 0.2s ease, background 0.2s ease;
}
.cta-form input::placeholder { color: rgba(255,255,255,0.5); }
.cta-form input:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,0.12);
  outline: none;
  box-shadow: 0 0 0 3px rgba(200,164,93,0.15);
}
.cta-form .btn { flex-shrink: 0; }
@media (max-width: 640px) {
  .cta-box { padding: 44px 24px; border-radius: 14px; }
  .cta-box h2 { font-size: 24px; }
  .cta-box p { font-size: 14px; }
  .cta-form { flex-direction: column; }
}

/* ===== 资讯 / CMS 列表 ===== */
.news-section { background: var(--bg); }
.news-grid { row-gap: 24px; }
.news-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.news-card-link { display: flex; flex-direction: column; height: 100%; color: var(--text); }
.news-card-cover {
  aspect-ratio: 16/9;
  background: var(--primary-light);
  position: relative;
  overflow: hidden;
}
.news-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.news-card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.news-tag {
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 16px;
  background: var(--tag-bg);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}
.news-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-time {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}
.news-time i { font-size: 12px; }
.news-empty {
  grid-column: span 12;
  background: var(--primary-light);
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 16px;
}
@media (max-width: 640px) {
  .grid-container .news-grid .cell { padding-left: 8px; padding-right: 8px; }
  .news-card-body { padding: 16px; }
}

/* ===== FAQ 手风琴 ===== */
.faq-section { background: #fff; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  gap: 16px;
  transition: color 0.2s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-question i {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--accent);
  transition: transform 0.3s ease;
}
.faq-item.active .faq-question i { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-answer-inner {
  padding: 0 8px 24px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  max-width: 680px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255,255,255,0.7);
  padding-top: 64px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand .brand-text { color: #fff; }
.footer-brand p {
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  line-height: 1.7;
  max-width: 280px;
}
.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 8px;
}
.footer-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-contact p {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  margin-bottom: 10px;
}
.footer-contact i { color: var(--accent); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  color: rgba(255,255,255,0.4);
  font-size: 13px;
}
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .site-footer { padding-top: 48px; }
}

/* ===== 通用响应式断点 ===== */
@media (max-width: 640px) {
  .section-head { margin-bottom: 24px; }
  .section-head h2 { font-size: 24px; }
  .section-padding { padding: 56px 0; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #1D5B4B;
  --primary-hover: #174838;
  --primary-light: #E8EFEA;
  --accent: #C8A45D;
  --accent-hover: #B08F45;
  --bg: #F6F4EF;
  --bg-dark: #142523;
  --text: #2B2A27;
  --text-secondary: #6E6A63;
  --border: #E3DED3;
  --card-bg: #FFFFFF;
  --label-bg: #F0EBE0;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(20,37,35,0.06);
  --shadow-hover: 0 8px 24px rgba(20,37,35,0.12);
  --transition: 0.2s ease;
  --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  --container-width: 1200px;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 64px;
}
@media (min-width: 1024px) {
  body { padding-bottom: 0; }
}
a { color: var(--primary); text-decoration: none; transition: all var(--transition); }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; display: block; height: auto; }
button, input { font-family: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; }
p { margin: 0; }

/* ===== 容器 ===== */
.grid-container { max-width: var(--container-width); }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-logo {
  width: 40px;
  height: 40px;
  background: var(--primary);
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(29, 91, 75, 0.25);
}
.brand-text {
  font-size: 17px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  line-height: 1.3;
  white-space: nowrap;
}
.main-nav {
  display: none;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  padding: 8px 2px;
  position: relative;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after { transform: scaleX(1); }
.nav-cta { display: none; }
@media (min-width: 1024px) {
  .main-nav { display: flex; }
  .nav-cta { display: inline-flex; }
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1.4;
  text-align: center;
}
.btn-gold {
  background: var(--accent);
  color: #20241f;
  border-color: var(--accent);
}
.btn-gold:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #20241f;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(200, 164, 93, 0.35);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.65);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(29, 91, 75, 0.25);
}
.btn-dark {
  background: var(--accent);
  color: #20241f;
  border-color: var(--accent);
}
.btn-dark:hover {
  background: var(--accent-hover);
  color: #20241f;
  transform: translateY(-1px);
}
.btn:focus-visible {
  outline: 3px solid rgba(200, 164, 93, 0.5);
  outline-offset: 2px;
}

/* ===== 移动端底部 Tab ===== */
.mobile-tab {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  background: #fff;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 16px rgba(20, 37, 35, 0.08);
}
.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 8px;
  transition: all var(--transition);
  min-width: 68px;
}
.tab-item i { font-size: 20px; }
.tab-item:hover { color: var(--primary); background: var(--primary-light); }
.tab-item.active { color: var(--primary); }
@media (min-width: 1024px) {
  .mobile-tab { display: none; }
}

/* ===== 分类页 Hero ===== */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(20, 37, 35, 0.92) 0%, rgba(20, 37, 35, 0.72) 60%, rgba(20, 37, 35, 0.58) 100%), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  padding: 100px 0 80px;
  color: #fff;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(200, 164, 93, 0.18) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.7);
}
.breadcrumb a { color: rgba(255, 255, 255, 0.8); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 10px; color: rgba(255, 255, 255, 0.4); }
.hero-content { max-width: 800px; }
.hero-h1 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
  color: #fff;
}
.hero-h1 .h1-accent {
  color: var(--accent);
  display: block;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.hero-desc {
  font-size: 16px;
  color: #EDEAE2;
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 640px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
@media (min-width: 640px) {
  .page-hero { padding: 120px 0 90px; }
  .hero-h1 { font-size: 44px; }
  .hero-h1 .h1-accent { font-size: 24px; }
  .hero-desc { font-size: 17px; }
}

/* ===== 板块通用 ===== */
.section-block { padding: 64px 0; }
.section-block.alt { background: #fff; }
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}
.section-title {
  font-size: 26px;
  font-weight: 800;
  color: var(--text);
  position: relative;
  padding-left: 18px;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: var(--accent);
  border-radius: 4px;
}
.section-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 6px;
  max-width: 560px;
}
@media (min-width: 640px) {
  .section-block { padding: 80px 0; }
  .section-title { font-size: 30px; }
}

/* ===== 三大优势 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(29, 91, 75, 0.2);
}
.feature-icon {
  width: 52px;
  height: 52px;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 22px;
  margin-bottom: 18px;
  transition: all var(--transition);
}
.feature-card:hover .feature-icon {
  background: var(--primary);
  color: #fff;
}
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
@media (min-width: 640px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ===== 适用场景 ===== */
.scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.scene-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: all var(--transition);
}
.scene-card:hover {
  background: var(--card-bg);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.scene-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--label-bg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 800;
  color: var(--primary);
}
.scene-card h3 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.scene-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
@media (min-width: 640px) {
  .scene-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .scene-grid { grid-template-columns: repeat(3, 1fr); }
  .scene-card { flex-direction: column; }
}

/* ===== 访问流程 ===== */
.steps-section {
  background: var(--bg-dark);
  color: #fff;
}
.steps-section .section-title { color: #fff; }
.steps-section .section-sub { color: rgba(255, 255, 255, 0.6); }
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 44px;
}
.step-item {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: all var(--transition);
}
.step-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(200, 164, 93, 0.4);
}
.step-num {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 42px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
  display: block;
}
.step-item h3 { font-size: 18px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.step-item p { font-size: 14px; color: rgba(255, 255, 255, 0.68); line-height: 1.7; }
@media (min-width: 640px) {
  .steps-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .steps-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ===== FAQ 手风琴 ===== */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color 0.2s ease;
}
.faq-question:hover { color: var(--primary); }
.faq-question .faq-icon {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 400;
  color: var(--primary);
  transition: all 0.3s ease;
  background: var(--card-bg);
}
.faq-item.open .faq-question { color: var(--primary); }
.faq-item.open .faq-icon {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-answer .answer-inner {
  padding: 0 8px 22px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 760px;
}

/* ===== CTA 区 ===== */
.cta-banner {
  background: var(--bg-dark);
  border-radius: 16px;
  position: relative;
  padding: 48px 28px;
  text-align: center;
  overflow: hidden;
  margin: 0 auto;
  max-width: var(--container-width);
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -60%;
  left: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(200, 164, 93, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-banner::after {
  content: "H";
  position: absolute;
  right: -20px;
  bottom: -80px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 220px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
  pointer-events: none;
}
.cta-inner { position: relative; z-index: 2; }
.cta-inner h2 { color: #fff; font-size: 28px; font-weight: 800; margin-bottom: 14px; }
.cta-inner p { color: rgba(255, 255, 255, 0.62); font-size: 15px; max-width: 560px; margin: 0 auto 28px; line-height: 1.7; }
@media (min-width: 640px) {
  .cta-banner { padding: 64px 48px; }
  .cta-inner h2 { font-size: 32px; }
}

/* ===== 其他分类 ===== */
.other-category-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}
.other-category-box:hover { box-shadow: var(--shadow-hover); }
.other-cat-info { display: flex; align-items: center; gap: 16px; flex: 1; min-width: 240px; }
.other-cat-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  background: var(--primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 22px;
}
.other-cat-info h3 { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.other-cat-info p { font-size: 13px; color: var(--text-secondary); }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  color: #fff;
  padding: 60px 0 0;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-bottom: 40px;
}
.footer-brand .brand-text { color: #fff; }
.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 320px;
}
.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: color 0.2s ease;
}
.footer-links a:hover { color: var(--accent); }
.footer-contact p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i { color: var(--accent); width: 18px; text-align: center; }
.footer-legal p {
  color: rgba(255, 255, 255, 0.45);
  font-size: 13px;
  line-height: 1.7;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
@media (min-width: 640px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
}

/* ===== 响应式细节 ===== */
@media (max-width: 639px) {
  .brand-text { font-size: 15px; }
  .header-inner { height: 64px; gap: 12px; }
  .hero-actions .btn { width: 100%; }
  .section-block { padding: 48px 0; }
  .section-title { font-size: 22px; }
  .cta-inner h2 { font-size: 24px; }
  .other-category-box { padding: 16px; }
  .other-cat-icon { width: 44px; height: 44px; font-size: 18px; }
  .other-cat-info { flex-direction: column; align-items: flex-start; text-align: left; }
}

/* ===== 焦点可见性 ===== */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(200, 164, 93, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #C5C0B4; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ===== 链接颜色统一 ===== */
a { color: var(--primary); }
a:hover { color: var(--primary-hover); }

/* ===== 额外间距微调 ===== */
.section-block + .section-block { border-top: none; }
.section-block.alt { background: #fff; }
.steps-section.section-block { background: var(--bg-dark); border-radius: 0; }
.cta-section.section-block { background: var(--bg); }

/* roulang page: article */
/* ============================================================
   设计变量
   ============================================================ */
:root {
    --primary: #1D5B4B;
    --primary-hover: #174838;
    --primary-light: #E8EFEA;
    --accent: #C8A45D;
    --accent-hover: #B08F45;
    --bg: #F6F4EF;
    --dark: #142523;
    --text: #2B2A27;
    --text-secondary: #6E6A63;
    --border: #E3DED3;
    --card-bg: #FFFFFF;
    --card-warm: #FDFCF9;
    --tag-bg: #F0EBE0;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 2px 8px rgba(20, 37, 35, 0.06);
    --shadow-lg: 0 8px 24px rgba(20, 37, 35, 0.12);
    --container: 1200px;
    --header-height: 72px;
    --tabbar-height: 62px;
    --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
    --font-serif: Georgia, "Times New Roman", serif;
}

/* ============================================================
   基础重置
   ============================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    padding-top: var(--header-height);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover,
a:focus {
    color: var(--accent-hover);
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: 1rem;
}

.grid-container {
    max-width: var(--container);
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    text-align: center;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--primary-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

.btn-outline:hover,
.btn-outline:focus {
    background: var(--primary-light);
    color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-gold {
    background: var(--accent);
    color: var(--dark);
    font-weight: 700;
}

.btn-gold:hover,
.btn-gold:focus {
    background: var(--accent-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200, 164, 93, 0.35);
}

.btn-white-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.7);
    color: #fff;
}

.btn-white-outline:hover,
.btn-white-outline:focus {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    border-color: #fff;
}

/* ============================================================
   标签与徽章
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    border-radius: 999px;
    background: var(--tag-bg);
    color: var(--text);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.6;
}

.badge-gold {
    background: rgba(200, 164, 93, 0.18);
    border: 1px solid rgba(200, 164, 93, 0.4);
    color: #8a6e2f;
}

.badge-green {
    background: var(--primary-light);
    color: var(--primary);
}

/* ============================================================
   顶部导航
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 900;
    background: rgba(246, 244, 239, 0.96);
    border-bottom: 1px solid var(--border);
    height: var(--header-height);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
    background: #ffffff;
    box-shadow: 0 2px 20px rgba(20, 37, 35, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 30px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--primary);
    color: #fff;
    border-radius: 10px;
    font-size: 22px;
    font-weight: 800;
    font-family: var(--font-serif);
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(29, 91, 75, 0.25);
    transition: transform 0.2s ease;
}

.brand:hover .brand-logo {
    transform: scale(1.05) rotate(-3deg);
}

.brand-text {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
    letter-spacing: 0.2px;
}

.brand:hover .brand-text {
    color: var(--primary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    border-radius: var(--radius-sm);
    transition: color 0.2s ease, background 0.2s ease;
}

.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 0.25s ease;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--primary);
    background: var(--primary-light);
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 60%;
}

.nav-link.active {
    color: var(--primary);
    font-weight: 600;
}

.nav-link.active::after {
    width: 60%;
}

.nav-cta {
    padding: 10px 24px;
    font-size: 14px;
}

/* ============================================================
   移动端底部 Tab
   ============================================================ */
.mobile-tabbar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--tabbar-height);
    background: #ffffff;
    border-top: 1px solid var(--border);
    z-index: 950;
    box-shadow: 0 -2px 12px rgba(20, 37, 35, 0.05);
}

.tab-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 11px;
    font-weight: 500;
    line-height: 1.2;
    transition: color 0.2s ease;
}

.tab-item i {
    font-size: 20px;
    transition: transform 0.2s ease;
}

.tab-item:hover,
.tab-item:focus {
    color: var(--primary);
}

.tab-item:hover i,
.tab-item:focus i {
    transform: translateY(-2px);
}

.tab-item.active {
    color: var(--primary);
    font-weight: 600;
}

.tab-item.active i {
    transform: translateY(-1px);
}

/* ============================================================
   页面横幅与面包屑
   ============================================================ */
.page-banner {
    position: relative;
    padding: 56px 0;
    background: var(--dark);
    overflow: hidden;
}

.banner-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.35;
}

.banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(20, 37, 35, 0.92) 20%, rgba(29, 91, 75, 0.75) 70%, rgba(20, 37, 35, 0.65) 100%);
}

.banner-content {
    position: relative;
    z-index: 2;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
}

.breadcrumb-nav a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-nav a:hover {
    color: var(--accent);
}

.breadcrumb-nav i {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

.breadcrumb-nav .current {
    color: var(--accent);
    font-weight: 500;
    max-width: 420px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================================
   文章详情区
   ============================================================ */
.article-section {
    padding: 64px 0;
    background: var(--bg);
}

.article-wrap {
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 48px 56px;
    border: 1px solid rgba(227, 222, 211, 0.5);
}

.article-title {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
    margin-bottom: 20px;
    word-break: break-word;
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 18px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 32px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-size: 14px;
}

.meta-item i {
    color: var(--primary);
}

/* 文章正文 */
.article-content {
    font-size: 16px;
    line-height: 1.85;
    color: var(--text);
    word-wrap: break-word;
}

.article-content p {
    margin-bottom: 24px;
    line-height: 1.85;
}

.article-content h2 {
    font-size: 26px;
    font-weight: 700;
    line-height: 1.4;
    margin: 44px 0 16px;
    padding-top: 8px;
    color: var(--text);
}

.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    margin: 32px 0 12px;
    color: var(--text);
}

.article-content h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 24px 0 10px;
    color: var(--text);
}

.article-content ul,
.article-content ol {
    margin: 0 0 24px 0;
    padding-left: 22px;
}

.article-content ul li {
    list-style: disc;
    margin-bottom: 8px;
    line-height: 1.75;
}

.article-content ol li {
    list-style: decimal;
    margin-bottom: 8px;
    line-height: 1.75;
}

.article-content li::marker {
    color: var(--primary);
    font-weight: 600;
}

.article-content img {
    border-radius: var(--radius);
    margin: 28px 0;
    box-shadow: var(--shadow);
}

.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: var(--primary-light);
    padding: 18px 22px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 28px 0;
    color: var(--text-secondary);
}

.article-content blockquote p {
    margin-bottom: 0;
    color: inherit;
}

.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content a:hover {
    color: var(--accent-hover);
    text-decoration-color: var(--accent);
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 14px;
}

.article-content th,
.article-content td {
    padding: 12px 16px;
    border: 1px solid var(--border);
    text-align: left;
    line-height: 1.6;
}

.article-content th {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
}

.article-content code {
    background: var(--tag-bg);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 14px;
    color: var(--primary-hover);
}

.article-content strong {
    font-weight: 600;
    color: var(--text);
}

/* 正文底部工具条 */
.article-toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px 24px;
    margin-top: 40px;
    padding: 20px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.toolbar-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--text-secondary);
    font-size: 14px;
}

.toolbar-item i {
    color: var(--primary);
    font-size: 15px;
}

/* 文章返回按钮 */
.article-back {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
}

/* 空态 */
.not-found-box {
    text-align: center;
    padding: 80px 24px;
}

.not-found-box i {
    font-size: 56px;
    color: var(--border);
    margin-bottom: 24px;
}

.not-found-box h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
}

.not-found-box p {
    color: var(--text-secondary);
    margin-bottom: 28px;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================================
   相关推荐
   ============================================================ */
.related-section {
    padding: 72px 0;
    background: linear-gradient(180deg, var(--bg) 0%, var(--card-warm) 100%);
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
}

.section-head.center {
    justify-content: center;
    text-align: center;
    flex-direction: column;
    align-items: center;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-hover);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.section-head h2 {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
}

.view-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    padding: 8px 0;
    transition: gap 0.2s ease;
}

.view-all:hover {
    gap: 12px;
    color: var(--accent-hover);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.related-card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid rgba(227, 222, 211, 0.6);
    box-shadow: var(--shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
    color: var(--text);
}

.related-card:hover,
.related-card:focus {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    color: var(--text);
}

.related-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--primary-light);
}

.related-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.related-card:hover .related-cover img {
    transform: scale(1.04);
}

.related-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 5px 14px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 999px;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 6px rgba(20, 37, 35, 0.12);
}

.related-body {
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 10px;
}

.related-body h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.45;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-body p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.related-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: auto;
}

/* ============================================================
   FAQ 手风琴
   ============================================================ */
.faq-section {
    padding: 72px 0;
    background: var(--bg);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(227, 222, 211, 0.5);
    overflow: hidden;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    transition: background 0.2s ease;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 28px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    transition: color 0.2s ease, background 0.2s ease;
    user-select: none;
}

.faq-question:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.faq-question i {
    flex-shrink: 0;
    font-size: 16px;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question {
    color: var(--primary);
    background: var(--primary-light);
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
}

.faq-answer {
    display: none;
    padding: 0 28px 24px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.75;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    margin-bottom: 8px;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

/* ============================================================
   CTA 转化区
   ============================================================ */
.cta-banner {
    padding: 72px 0;
    background: var(--dark);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 164, 93, 0.12) 0%, transparent 70%);
}

.cta-banner::after {
    content: "";
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    border: 1px solid rgba(200, 164, 93, 0.15);
}

.cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-inner h2 {
    font-size: 34px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
    line-height: 1.3;
}

.cta-inner p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 32px;
    line-height: 1.7;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 48px;
}

.footer-brand .brand {
    margin-bottom: 16px;
}

.footer-brand .brand-text {
    color: #fff;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 16px;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s ease, padding-left 0.2s ease;
    padding-left: 0;
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--accent);
    padding-left: 6px;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
    line-height: 1.6;
}

.footer-contact i {
    color: var(--accent);
    font-size: 15px;
    width: 18px;
    text-align: center;
}

.footer-legal p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
}

/* ============================================================
   响应式断点
   ============================================================ */
@media (max-width: 1024px) {
    .main-nav {
        gap: 2px;
    }

    .nav-link {
        padding: 10px 14px;
        font-size: 14px;
    }

    .nav-cta {
        padding: 10px 18px;
        font-size: 13px;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 640px) {
    :root {
        --header-height: 64px;
    }

    body {
        padding-bottom: 80px;
    }

    .site-header .nav-cta {
        display: none;
    }

    .main-nav {
        display: none;
    }

    .mobile-tabbar {
        display: flex;
    }

    .header-inner {
        justify-content: space-between;
    }

    .brand-text {
        font-size: 15px;
    }

    .brand-logo {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }

    .page-banner {
        padding: 32px 0;
    }

    .breadcrumb-nav {
        font-size: 13px;
    }

    .breadcrumb-nav .current {
        max-width: 200px;
    }

    .article-section {
        padding: 40px 0;
    }

    .article-wrap {
        padding: 28px 20px;
        border-radius: 12px;
    }

    .article-title {
        font-size: 26px;
        line-height: 1.35;
    }

    .article-meta {
        gap: 14px;
        margin-bottom: 24px;
    }

    .article-content {
        font-size: 15px;
        line-height: 1.8;
    }

    .article-content p {
        margin-bottom: 20px;
    }

    .article-content h2 {
        font-size: 21px;
        margin: 32px 0 14px;
    }

    .article-content h3 {
        font-size: 18px;
    }

    .article-content blockquote {
        padding: 14px 16px;
        margin: 20px 0;
    }

    .article-content ul,
    .article-content ol {
        margin-bottom: 20px;
        padding-left: 18px;
    }

    .article-toolbar {
        gap: 12px 16px;
        font-size: 13px;
    }

    .article-back {
        flex-direction: column;
        align-items: stretch;
    }

    .article-back .btn {
        width: 100%;
    }

    .related-section {
        padding: 48px 0;
    }

    .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 24px;
    }

    .section-head h2 {
        font-size: 24px;
    }

    .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .faq-section {
        padding: 48px 0;
    }

    .faq-question {
        padding: 18px 20px;
        font-size: 15px;
    }

    .faq-answer {
        padding: 0 20px 18px;
        font-size: 14px;
    }

    .cta-banner {
        padding: 48px 0;
    }

    .cta-inner h2 {
        font-size: 26px;
    }

    .cta-inner p {
        font-size: 14px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        padding-bottom: 32px;
    }

    .site-footer {
        padding-top: 48px;
    }

    .not-found-box {
        padding: 48px 20px;
    }
}

@media (max-width: 480px) {
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .article-toolbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}

/* roulang page: category2 */
:root {
            --primary: #1D5B4B;
            --primary-hover: #174838;
            --primary-light: #E8EFEA;
            --gold: #C8A45D;
            --gold-hover: #B08F45;
            --bg: #F6F4EF;
            --dark: #142523;
            --text: #2B2A27;
            --text-light: #6E6A63;
            --border: #E3DED3;
            --card-bg: #FFFFFF;
            --tag-bg: #F0EBE0;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 2px 8px rgba(20, 37, 35, 0.06);
            --shadow-lg: 0 8px 24px rgba(20, 37, 35, 0.12);
            --transition: 0.2s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            min-height: 100vh;
            padding-bottom: 64px;
            -webkit-font-smoothing: antialiased;
        }
        body.no-scroll {
            overflow: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(200, 164, 93, 0.5);
            outline-offset: 2px;
        }
        ul {
            list-style: none;
        }
        .grid-container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media(max-width:640px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-gold {
            background: var(--gold);
            color: var(--dark);
            border-color: var(--gold);
        }
        .btn-gold:hover {
            background: var(--gold-hover);
            border-color: var(--gold-hover);
            color: var(--dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(176, 143, 69, 0.3);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(29, 91, 75, 0.25);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline-dark:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        /* ===== 站点头部 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(246, 244, 239, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(227, 222, 211, 0.7);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(29, 91, 75, 0.95);
            backdrop-filter: blur(12px);
            box-shadow: 0 4px 20px rgba(20, 37, 35, 0.15);
        }
        .site-header.scrolled .nav-link,
        .site-header.scrolled .brand-text,
        .site-header.scrolled .brand-logo {
            color: #f0ede2;
        }
        .site-header.scrolled .nav-link:hover,
        .site-header.scrolled .nav-link.active {
            color: var(--gold);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
            color: var(--gold);
            font-size: 22px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: Georgia, "Times New Roman", serif;
            letter-spacing: 1px;
        }
        .brand-text {
            font-size: 19px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            position: relative;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 6px;
            transition: color var(--transition);
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 2px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            opacity: 0;
            transform: scaleX(0.5);
            transition: opacity var(--transition), transform var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            opacity: 1;
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .nav-cta {
            margin-left: 8px;
            padding: 10px 22px;
            font-size: 14px;
            flex-shrink: 0;
        }
        @media(max-width:900px) {
            .main-nav {
                display: none;
            }
        }
        @media(max-width:640px) {
            .site-header {
                height: 62px;
            }
            .brand-logo {
                width: 36px;
                height: 36px;
                font-size: 18px;
                border-radius: 8px;
            }
            .brand-text {
                font-size: 16px;
                max-width: 210px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }
            .nav-cta {
                display: none;
            }
        }
        /* ===== 移动端底部 Tab ===== */
        .mobile-tabbar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            background: #fff;
            display: none;
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 12px rgba(20, 37, 35, 0.06);
        }
        .tabbar-inner {
            display: flex;
            height: 100%;
            align-items: stretch;
        }
        .tab-item {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-light);
            transition: color var(--transition);
            position: relative;
        }
        .tab-item i {
            font-size: 20px;
        }
        .tab-item.active {
            color: var(--primary);
            font-weight: 600;
        }
        .tab-item.active::before {
            content: "";
            position: absolute;
            top: 0;
            left: 30%;
            right: 30%;
            height: 3px;
            background: var(--gold);
            border-radius: 0 0 4px 4px;
        }
        @media(max-width:900px) {
            .mobile-tabbar {
                display: block;
            }
            body {
                padding-bottom: 80px;
            }
        }
        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            padding-top: 96px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: var(--text-light);
            background: transparent;
            margin: 0;
            padding: 14px 0;
        }
        .breadcrumb a {
            color: var(--text-light);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: #b8b2a8;
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        @media(max-width:640px) {
            .breadcrumb-wrap {
                padding-top: 80px;
            }
        }
        /* ===== 分类页 Hero ===== */
        .page-hero {
            position: relative;
            padding: 76px 0 84px;
            background-size: cover;
            background-position: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(20, 37, 35, 0.88) 0%, rgba(20, 37, 35, 0.68) 55%, rgba(20, 37, 35, 0.35) 100%);
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 164, 93, 0.18);
            border: 1px solid rgba(200, 164, 93, 0.45);
            color: #ecd9b3;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 20px;
        }
        .hero-tag i {
            font-size: 14px;
        }
        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: 1px;
            max-width: 760px;
        }
        .page-hero h1 .highlight {
            color: var(--gold);
            display: inline-block;
        }
        .page-hero .hero-desc {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(237, 234, 226, 0.9);
            max-width: 680px;
            margin-bottom: 32px;
            word-break: break-word;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            max-width: 680px;
        }
        .hero-stat {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(237, 234, 226, 0.85);
        }
        .hero-stat i {
            color: var(--gold);
        }
        @media(max-width:640px) {
            .page-hero {
                padding: 52px 0 60px;
            }
            .page-hero h1 {
                font-size: 31px;
            }
            .page-hero .hero-desc {
                font-size: 15px;
                margin-bottom: 24px;
            }
            .hero-stat-row {
                gap: 14px;
                margin-top: 24px;
                padding-top: 20px;
            }
        }
        /* ===== 板块间距 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block.alt {
            background: #fff;
        }
        .section-block.dark {
            background: var(--dark);
            color: #edeae2;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head.center {
            text-align: center;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.7;
        }
        .section-head.center p {
            margin-left: auto;
            margin-right: auto;
        }
        .dark .section-head h2 {
            color: #fff;
        }
        .dark .section-head p {
            color: rgba(255, 255, 255, 0.65);
        }
        @media(max-width:640px) {
            .section-block {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 28px;
            }
            .section-head h2 {
                font-size: 24px;
            }
        }
        /* ===== 亮点信息卡 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(200, 164, 93, 0.5);
        }
        .feature-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 16px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        @media(max-width:1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media(max-width:640px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        /* ===== 特色内容卡片 ===== */
        .featured-list {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            grid-template-rows: 1fr 1fr;
            gap: 24px;
        }
        .feature-main-card {
            grid-row: 1 / 3;
            background: var(--primary);
            border-radius: var(--radius);
            padding: 36px;
            color: #fff;
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .feature-main-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .feature-main-card::after {
            content: "";
            position: absolute;
            right: -40px;
            top: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(200, 164, 93, 0.16);
        }
        .feature-main-card .card-tag {
            display: inline-block;
            background: var(--gold);
            color: var(--dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 16px;
            align-self: flex-start;
        }
        .feature-main-card h3 {
            font-size: 26px;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 10px;
        }
        .feature-main-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            max-width: 340px;
        }
        .feature-sub-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 26px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 190px;
        }
        .feature-sub-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .feature-sub-card .sub-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--tag-bg);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            margin-bottom: 12px;
        }
        .feature-sub-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .feature-sub-card p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media(max-width:1024px) {
            .featured-list {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto auto;
            }
            .feature-main-card {
                grid-row: auto;
                grid-column: 1 / 3;
                min-height: 320px;
            }
            .feature-sub-card {
                min-height: 160px;
            }
        }
        @media(max-width:640px) {
            .featured-list {
                grid-template-columns: 1fr;
            }
            .feature-main-card {
                grid-column: auto;
                min-height: 280px;
                padding: 24px;
            }
            .feature-main-card h3 {
                font-size: 20px;
            }
            .feature-sub-card {
                min-height: auto;
                padding: 22px;
            }
        }
        /* ===== 内容类型 ===== */
        .type-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        .type-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 26px 20px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .type-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(200, 164, 93, 0.45);
        }
        .type-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }
        .type-card h3 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }
        .type-card p {
            font-size: 12px;
            color: var(--text-light);
            line-height: 1.5;
        }
        @media(max-width:1024px) {
            .type-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media(max-width:640px) {
            .type-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .type-card {
                padding: 18px 12px;
            }
        }
        /* ===== 热门排行 ===== */
        .rank-wrap {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .rank-list {
            display: flex;
            flex-direction: column;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 24px 28px;
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }
        .rank-item:last-child {
            border-bottom: none;
        }
        .rank-item:hover {
            background: var(--primary-light);
        }
        .rank-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--border);
            font-family: Georgia, "Times New Roman", serif;
            width: 52px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-item:nth-child(1) .rank-num {
            color: var(--gold);
        }
        .rank-item:nth-child(2) .rank-num {
            color: #c9b27f;
        }
        .rank-item:nth-child(3) .rank-num {
            color: #c9b9a0;
        }
        .rank-info {
            flex: 1;
        }
        .rank-info h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .rank-info p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }
        .rank-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .rank-hot {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--tag-bg);
            color: var(--gold-hover);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
        }
        @media(max-width:640px) {
            .rank-item {
                flex-wrap: wrap;
                padding: 18px;
                gap: 10px;
            }
            .rank-num {
                font-size: 22px;
                width: 36px;
            }
            .rank-info h3 {
                font-size: 15px;
            }
            .rank-info p {
                font-size: 12px;
            }
            .rank-meta {
                width: 100%;
                padding-left: 46px;
            }
        }
        /* ===== 浏览指引 ===== */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-top: 30px;
        }
        .guide-step {
            text-align: center;
            position: relative;
            padding: 0 12px;
        }
        .step-num {
            width: 52px;
            height: 52px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 14px rgba(29, 91, 75, 0.25);
        }
        .guide-step h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .guide-step p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .guide-step::after {
            content: "›";
            position: absolute;
            right: -22px;
            top: 12px;
            font-size: 28px;
            color: var(--border);
            font-weight: 300;
        }
        .guide-step:last-child::after {
            display: none;
        }
        @media(max-width:1024px) {
            .guide-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }
        @media(max-width:640px) {
            .guide-steps {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .guide-step::after {
                display: none;
            }
        }
        /* ===== CTA 区块 ===== */
        .cta-section {
            background: var(--dark);
            border-radius: var(--radius);
            padding: 70px 50px;
            position: relative;
            overflow: hidden;
            color: #fff;
            text-align: center;
        }
        .cta-section::before {
            content: "H";
            position: absolute;
            right: -20px;
            bottom: -60px;
            font-size: 280px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.03);
            font-family: Georgia, "Times New Roman", serif;
            line-height: 1;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.68);
            max-width: 560px;
            margin: 0 auto 30px;
            line-height: 1.7;
            position: relative;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
            position: relative;
        }
        .cta-actions .btn-gold {
            min-width: 180px;
        }
        @media(max-width:640px) {
            .cta-section {
                padding: 48px 22px;
                border-radius: 10px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .cta-section p {
                font-size: 13px;
            }
        }
        /* ===== FAQ 折叠 ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-q {
            width: 100%;
            background: none;
            border: none;
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: color var(--transition);
        }
        .faq-q:hover {
            color: var(--primary);
        }
        .faq-q .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-light);
            transition: all var(--transition);
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.25s ease;
            padding: 0;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
        }
        .faq-item.open .faq-a {
            max-height: 300px;
            padding: 0 0 22px;
        }
        @media(max-width:640px) {
            .faq-q {
                font-size: 14px;
                padding: 18px 0;
            }
        }
        /* ===== 分类切换条 ===== */
        .switch-cat {
            background: var(--primary-light);
            border-radius: var(--radius);
            padding: 32px 36px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .switch-cat h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 2px;
        }
        .switch-cat p {
            font-size: 13px;
            color: var(--text-light);
        }
        @media(max-width:640px) {
            .switch-cat {
                padding: 24px;
                flex-direction: column;
                align-items: flex-start;
            }
        }
        /* ===== 站点页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 30px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr 1.1fr;
            gap: 40px;
            margin-bottom: 44px;
        }
        .footer-brand .brand {
            margin-bottom: 14px;
        }
        .footer-brand .brand-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            max-width: 280px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer-links a:hover {
            color: var(--gold);
        }
        .footer-contact p {
            font-size: 14px;
            margin-bottom: 8px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-contact i {
            width: 20px;
            color: var(--gold);
            margin-right: 4px;
        }
        .footer-legal p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.7;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        @media(max-width:1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media(max-width:640px) {
            .site-footer {
                padding: 48px 0 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        /* ===== 其他分类卡片 ===== */
        .cat-nav-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .cat-nav-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .cat-nav-card .cat-label {
            font-size: 13px;
            color: var(--gold);
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }
        .cat-nav-card h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 6px;
        }
        .cat-nav-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }
        .cat-nav-card .btn {
            flex-shrink: 0;
        }
        @media(max-width:640px) {
            .cat-nav-card {
                padding: 24px;
                flex-direction: column;
                align-items: flex-start;
            }
        }
        /* ===== 图片Card通用 ===== */
        .img-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--primary-light);
            position: relative;
            aspect-ratio: 16 / 9;
        }
        .img-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .img-card .img-placeholder {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            color: rgba(29, 91, 75, 0.3);
            font-weight: 800;
            font-family: Georgia, "Times New Roman", serif;
        }
        @keyframes scrollHint {
            0%,
            100% {
                transform: translateY(0);
                opacity: 0.8;
            }
            50% {
                transform: translateY(8px);
                opacity: 0.4;
            }
        }
        .scroll-hint {
            position: absolute;
            bottom: 28px;
            left: 50%;
            transform: translateX(-50%);
            display: none;
            color: rgba(255, 255, 255, 0.7);
            font-size: 22px;
            animation: scrollHint 1.6s infinite;
            z-index: 3;
        }
        @media(max-width:640px) {
            .scroll-hint {
                display: block;
            }
        }
        /* ===== 其他分类区块响应式 ===== */
        @media(max-width:640px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
