/* roulang page: index */
:root {
  --primary: #8C1D40;
  --primary-dark: #5E0F2D;
  --primary-light: #B53D63;
  --accent: #D9A05B;
  --bg-main: #191114;
  --bg-secondary: #241A20;
  --bg-deep: #2A1D22;
  --text-main: #F5EBE2;
  --text-secondary: #B7A5A0;
  --text-muted: #8F7C77;
  --border: #4A2A33;
  --success: #2F6B5E;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-badge: 999px;
  --radius-img: 10px;
  --shadow-card: 0 6px 24px rgba(0,0,0,.32);
  --shadow-card-hover: 0 12px 36px rgba(140,29,64,.28);
  --font-family: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --spacing-section: 72px;
  --container-max: 1280px;
  --transition: all .25s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

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

button {
  cursor: pointer;
  background: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

/* ============ Header ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(25, 17, 20, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-mark {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  border-radius: var(--radius-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  color: var(--text-main);
  letter-spacing: 1px;
  position: relative;
}

.logo-mark::after {
  content: '';
  position: absolute;
  bottom: -3px;
  right: -3px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--bg-main);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.5px;
}

.logo-tagline {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  position: relative;
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  border-radius: 6px;
  letter-spacing: 0.3px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width .3s ease;
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-link:hover::after {
  width: 24px;
}

.nav-link.active {
  color: var(--text-main);
}

.nav-link.active::after {
  width: 28px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: 8px 14px;
  transition: var(--transition);
}

.search-box:focus-within {
  border-color: var(--primary-light);
}

.search-box svg {
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-box input {
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 13px;
  width: 140px;
  letter-spacing: 0.3px;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.btn-member {
  background: var(--primary);
  color: var(--text-main);
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.5px;
  transition: var(--transition);
  white-space: nowrap;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(140, 29, 64, 0.3);
}

.btn-member:hover {
  background: var(--primary-light);
  color: var(--text-main);
  box-shadow: 0 4px 14px rgba(140, 29, 64, 0.45);
}

.btn-member:active {
  background: var(--primary-dark);
  transform: translateY(1px);
}

/* 汉堡按钮 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}

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

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

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

/* 移动端抽屉 */
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-main);
  z-index: 99;
  padding: 24px;
  overflow-y: auto;
  flex-direction: column;
  gap: 8px;
}

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

.mobile-nav .nav-link {
  font-size: 17px;
  padding: 16px 24px;
  border-radius: 10px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.mobile-nav .nav-link:hover,
.mobile-nav .nav-link.active {
  color: var(--text-main);
  background: var(--bg-deep);
}

.mobile-nav .nav-link::after {
  display: none;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  min-height: 600px;
  background: var(--bg-main);
  display: flex;
  align-items: center;
  padding: 0;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 60%;
  height: 120%;
  background: radial-gradient(ellipse, rgba(140, 29, 64, 0.22) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 48px;
  padding-top: 60px;
  padding-bottom: 60px;
}

.hero-content {
  flex: 1;
  max-width: 560px;
}

.hero-badges {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-badge);
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-title {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.5px;
  color: var(--text-main);
  margin-bottom: 18px;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 28px;
  max-width: 480px;
}

.hero-btns {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.btn-primary {
  background: var(--primary);
  color: var(--text-main);
  height: 46px;
  padding: 0 30px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  border: none;
  box-shadow: 0 4px 16px rgba(140, 29, 64, 0.35);
}

.btn-primary:hover {
  background: var(--primary-light);
  color: var(--text-main);
  box-shadow: 0 6px 24px rgba(140, 29, 64, 0.5);
  transform: translateY(-2px);
}

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

.btn-secondary {
  background: transparent;
  color: var(--accent);
  height: 46px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--accent);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(217, 160, 91, 0.08);
  color: var(--accent);
  border-color: var(--accent);
}

.hero-trust {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.hero-trust-item svg {
  color: var(--accent);
  flex-shrink: 0;
}

.hero-visual {
  flex-shrink: 0;
  position: relative;
  width: 420px;
}

.hero-img-wrapper {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  position: relative;
  z-index: 2;
}

.hero-img-wrapper img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  border-radius: var(--radius-card);
}

.hero-overlay-card {
  position: absolute;
  z-index: 3;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.hero-overlay-card.rating-card {
  bottom: -20px;
  left: -30px;
}

.hero-overlay-card.playlist-card {
  top: 20px;
  right: -40px;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}

.rating-stars {
  display: flex;
  gap: 2px;
  color: var(--accent);
  font-size: 15px;
}

.rating-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.overlay-label {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.overlay-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
}

/* ============ Section 通用 ============ */
.section {
  padding: var(--spacing-section) 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-deep {
  background: var(--bg-deep);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
}

.section-header.left {
  text-align: left;
  margin: 0 0 32px;
}

.section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.section-header.left .section-title::after {
  left: 0;
  transform: none;
}

.section-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============ 卡片网格 ============ */
.cards-grid {
  display: grid;
  gap: 20px;
}

.cards-grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

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

.cards-grid.cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* 内容卡片 */
.content-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
  height: 100%;
}

.content-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.content-card .card-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.content-card .card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.content-card:hover .card-cover img {
  transform: scale(1.03);
}

.content-card .card-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-category {
  display: inline-block;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-badge);
  padding: 3px 12px;
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  width: fit-content;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-excerpt {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.card-link-more {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 4px;
}

.card-link-more:hover {
  color: var(--accent);
  text-decoration: underline;
}

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 14px;
  background: var(--bg-secondary);
  border: 1px dashed var(--border);
  border-radius: var(--radius-card);
}

/* ============ 分类快捷入口 ============ */
.category-entry-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.category-entry-card {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.category-entry-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.category-entry-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(140, 29, 64, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-light);
  font-size: 20px;
  font-weight: 700;
}

.category-entry-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

/* ============ 热播推荐 ============ */
.hot-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.hot-feature {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.hot-feature:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.hot-feature .card-cover {
  aspect-ratio: 2/3;
  overflow: hidden;
}

.hot-feature .card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.hot-feature:hover .card-cover img {
  transform: scale(1.03);
}

.hot-feature .card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hot-feature-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-main);
}

.hot-feature-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.hot-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hot-list-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  transition: var(--transition);
}

.hot-list-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.hot-list-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.hot-list-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
}

.hot-list-time {
  font-size: 11px;
  color: var(--text-muted);
}

.hot-list-score {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

/* ============ 数据信任条 ============ */
.data-strip {
  background: var(--bg-deep);
  padding: 40px 0;
}

.data-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.data-item-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
}

.data-item-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

/* ============ 观看流程 ============ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  transition: var(--transition);
  position: relative;
}

.step-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.step-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
  line-height: 1;
}

.step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============ 两性知识专区 ============ */
.knowledge-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.knowledge-feature {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.knowledge-feature:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.knowledge-feature .card-cover {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.knowledge-feature .card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.knowledge-feature:hover .card-cover img {
  transform: scale(1.03);
}

.knowledge-feature .card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.knowledge-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.knowledge-list-item {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 16px 18px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.knowledge-list-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.knowledge-list-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.4;
}

.knowledge-list-excerpt {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  display: -webkit-box;
}

/* ============ 会员服务 ============ */
.membership-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.membership-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}

.membership-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.membership-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(140, 29, 64, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: var(--accent);
  font-size: 24px;
  font-weight: 700;
}

.membership-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.membership-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============ 用户评价 ============ */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.review-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.review-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}

.review-stars {
  color: var(--accent);
  font-size: 16px;
  display: flex;
  gap: 2px;
}

.review-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.review-author {
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

/* ============ 隐私安全 ============ */
.privacy-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

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

.privacy-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.privacy-item-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
}

.privacy-item-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 4px;
}

.privacy-item-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.privacy-visual {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.privacy-visual img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

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

.faq-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-item summary {
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: relative;
}

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

.faq-item summary::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 6px;
  background: var(--primary);
  border-radius: 3px;
}

.faq-item summary .faq-arrow {
  font-size: 18px;
  color: var(--text-muted);
  transition: transform .3s ease;
  flex-shrink: 0;
}

.faq-item[open] summary .faq-arrow {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq-item .faq-content {
  padding: 0 20px 18px 20px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============ CTA ============ */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--bg-main) 100%);
  padding: 64px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before,
.cta-section::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

.cta-section::before {
  top: 20px;
  left: 30px;
}

.cta-section::after {
  bottom: 20px;
  right: 30px;
}

.cta-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.cta-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 480px;
  margin: 0 auto 28px;
}

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

/* ============ Footer ============ */
.footer {
  background: #151012;
  border-top: 3px solid var(--primary);
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.footer-brand-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 280px;
}

.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: var(--transition);
}

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

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ============ 响应式 ============ */
@media (max-width: 1023px) {
  .nav-desktop {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .header-inner {
    height: 64px;
  }
  .mobile-nav {
    top: 64px;
  }
  .hero {
    min-height: auto;
    padding: 40px 0;
  }
  .hero .container {
    flex-direction: column;
    gap: 32px;
  }
  .hero-content {
    max-width: 100%;
    text-align: center;
  }
  .hero-badges {
    justify-content: center;
  }
  .hero-btns {
    justify-content: center;
  }
  .hero-trust {
    justify-content: center;
  }
  .hero-visual {
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
  }
  .hero-overlay-card.rating-card {
    left: -10px;
    bottom: -16px;
  }
  .hero-overlay-card.playlist-card {
    right: -10px;
  }
  .cards-grid.cols-3,
  .cards-grid.cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .category-entry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .data-strip-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .membership-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .reviews-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .privacy-layout {
    grid-template-columns: 1fr;
  }
  .hot-layout {
    grid-template-columns: 1fr;
  }
  .knowledge-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-title {
    font-size: 30px;
  }
  .section {
    padding: 48px 0;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }
  .hero .container {
    gap: 24px;
  }
  .hero-title {
    font-size: 24px;
    line-height: 1.35;
  }
  .hero-subtitle {
    font-size: 14px;
  }
  .hero-img-wrapper img {
    height: 240px;
  }
  .cards-grid.cols-3,
  .cards-grid.cols-4,
  .cards-grid.cols-2 {
    grid-template-columns: 1fr;
  }
  .category-entry-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .membership-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .data-strip-grid {
    grid-template-columns: 1fr 1fr;
  }
  .data-item-value {
    font-size: 22px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .section-title {
    font-size: 22px;
  }
  .cta-title {
    font-size: 22px;
  }
  .search-box input {
    width: 80px;
  }
  .btn-member {
    padding: 8px 14px;
    font-size: 12px;
  }
  .hero-overlay-card.rating-card {
    left: 0;
    bottom: -12px;
  }
  .hero-overlay-card.playlist-card {
    right: 0;
    top: 12px;
  }
}

@media (max-width: 520px) {
  .category-entry-grid {
    grid-template-columns: 1fr;
  }
  .hero-btns {
    flex-direction: column;
    width: 100%;
  }
  .hero-btns .btn-primary,
  .hero-btns .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  .cta-btns {
    flex-direction: column;
  }
  .cta-btns .btn-primary,
  .cta-btns .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

/* roulang page: article */
:root {
            --primary: #8C1D40;
            --primary-dark: #5E0F2D;
            --primary-light: #B53D63;
            --accent: #D9A05B;
            --bg-main: #191114;
            --bg-secondary: #241A20;
            --bg-deep: #2A1D22;
            --text-main: #F5EBE2;
            --text-secondary: #B7A5A0;
            --text-muted: #8F7C77;
            --border: #4A2A33;
            --success: #2F6B5E;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --radius-img: 10px;
            --shadow-card: 0 6px 24px rgba(0,0,0,.32);
            --shadow-card-hover: 0 12px 36px rgba(140,29,64,.28);
            --font-family: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
            --spacing-section: 72px;
            --container-max: 1280px;
            --transition: all .25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--bg-main);
            color: var(--text-main);
            font-size: 15px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--text-main);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* Header */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(25, 17, 20, 0.78);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            padding: 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            border-radius: var(--radius-btn);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-main);
            letter-spacing: 1px;
            position: relative;
        }
        .logo-mark::after {
            content: '';
            position: absolute;
            bottom: -3px;
            right: -3px;
            width: 12px;
            height: 12px;
            background: var(--accent);
            border-radius: 50%;
            border: 2px solid var(--bg-main);
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
        }
        .logo-tagline {
            font-size: 11px;
            color: var(--text-muted);
            letter-spacing: 1.5px;
            text-transform: uppercase;
        }
        .nav-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }
        .nav-link {
            position: relative;
            padding: 8px 16px;
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            border-radius: 6px;
            letter-spacing: 0.3px;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width .3s ease;
        }
        .nav-link:hover {
            color: var(--text-main);
        }
        .nav-link:hover::after {
            width: 24px;
        }
        .nav-link.active {
            color: var(--text-main);
        }
        .nav-link.active::after {
            width: 28px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-deep);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 8px 14px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary-light);
        }
        .search-box svg {
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .search-box input {
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 13px;
            width: 140px;
            letter-spacing: 0.3px;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .btn-member {
            background: var(--primary);
            color: var(--text-main);
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 0.5px;
            transition: var(--transition);
            white-space: nowrap;
            border: none;
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(140, 29, 64, 0.3);
        }
        .btn-member:hover {
            background: var(--primary-light);
            color: var(--text-main);
            box-shadow: 0 4px 14px rgba(140, 29, 64, 0.45);
        }
        .btn-member:active {
            background: var(--primary-dark);
            transform: translateY(1px);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: var(--bg-deep);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-nav {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-main);
            z-index: 99;
            padding: 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav .nav-link {
            font-size: 17px;
            padding: 16px 24px;
            border-radius: 10px;
            border-bottom: 1px solid var(--border);
            color: var(--text-secondary);
        }
        .mobile-nav .nav-link:hover,
        .mobile-nav .nav-link.active {
            color: var(--text-main);
            background: var(--bg-deep);
        }
        .mobile-nav .nav-link::after {
            display: none;
        }
        /* Breadcrumb & Article Header */
        .article-top {
            padding: 48px 0 32px;
            background: var(--bg-main);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--text-secondary);
        }
        .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .breadcrumb-custom .sep {
            color: var(--border);
        }
        .article-header h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 16px;
            color: var(--text-main);
            letter-spacing: 0.5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            color: var(--text-muted);
            font-size: 13px;
        }
        .article-meta .badge-cat {
            background: var(--primary);
            color: var(--text-main);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            letter-spacing: 0.5px;
        }
        .article-meta .dot {
            width: 4px;
            height: 4px;
            background: var(--border);
            border-radius: 50%;
            display: inline-block;
        }
        /* Article Body */
        .article-body-wrapper {
            padding: 48px 0 64px;
            background: var(--bg-main);
        }
        .article-body {
            max-width: 780px;
            margin: 0 auto;
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.9;
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin: 40px 0 16px;
            padding-left: 12px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-main);
            margin: 32px 0 12px;
        }
        .article-body p {
            margin: 0 0 20px;
            color: var(--text-secondary);
        }
        .article-body img {
            border-radius: var(--radius-img);
            margin: 24px 0;
            width: 100%;
            box-shadow: var(--shadow-card);
        }
        .article-body blockquote {
            margin: 28px 0;
            padding: 20px 24px;
            background: var(--bg-secondary);
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            color: var(--text-secondary);
            font-style: normal;
        }
        .article-body blockquote p {
            margin: 0;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 24px;
            padding-left: 28px;
            color: var(--text-secondary);
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body code {
            background: var(--bg-deep);
            padding: 2px 8px;
            border-radius: 4px;
            color: var(--accent);
            font-size: 0.9em;
        }
        .article-body pre {
            background: var(--bg-deep);
            padding: 16px;
            border-radius: var(--radius-card);
            overflow-x: auto;
            color: var(--text-main);
            margin: 24px 0;
        }
        .article-body pre code {
            background: none;
            color: var(--text-main);
            padding: 0;
            font-size: 14px;
        }
        .article-missing {
            text-align: center;
            padding: 60px 24px;
            background: var(--bg-secondary);
            border-radius: var(--radius-card);
            color: var(--text-muted);
            font-size: 16px;
        }
        .article-missing a {
            color: var(--accent);
            text-decoration: underline;
        }
        /* Tags */
        .article-tags {
            max-width: 780px;
            margin: 24px auto 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-btn {
            background: var(--bg-deep);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            font-size: 13px;
            transition: var(--transition);
        }
        .tag-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(217,160,91,.08);
        }
        /* Related */
        .section-related {
            padding: 64px 0;
            background: var(--bg-secondary);
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 28px;
            letter-spacing: 0.3px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-main);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }
        .related-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-body p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .related-card-body .time {
            font-size: 12px;
            color: var(--text-muted);
        }
        /* CTA Buttons */
        .section-actions {
            padding: 56px 0;
            background: var(--bg-main);
            text-align: center;
        }
        .action-group {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-main);
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(140,29,64,.3);
            display: inline-block;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            color: var(--text-main);
            box-shadow: 0 6px 18px rgba(140,29,64,.45);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.5px;
            transition: var(--transition);
            display: inline-block;
        }
        .btn-secondary:hover {
            background: rgba(217,160,91,.08);
            color: var(--accent);
        }
        /* Comments */
        .section-comments {
            padding: 64px 0;
            background: var(--bg-secondary);
        }
        .comment-box {
            max-width: 780px;
            margin: 0 auto;
        }
        .comment-form {
            background: var(--bg-main);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
        }
        .comment-form textarea {
            width: 100%;
            min-height: 120px;
            background: var(--bg-deep);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            color: var(--text-main);
            padding: 14px 16px;
            font-size: 14px;
            resize: vertical;
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            border-color: var(--primary-light);
        }
        .comment-form .btn-primary {
            width: auto;
        }
        .comment-empty {
            text-align: center;
            color: var(--text-muted);
            padding: 40px 20px;
            border: 1px dashed var(--border);
            border-radius: var(--radius-card);
            margin-top: 20px;
            font-size: 14px;
        }
        /* Footer */
        .footer {
            background: #151012;
            border-top: 3px solid var(--primary);
            padding: 56px 24px 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border);
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .footer-brand-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 13px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 24px auto 0;
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
        }
        .footer-bottom p {
            margin: 0;
        }
        /* Responsive */
        @media (min-width: 1024px) {
            .nav-desktop { display: flex; }
        }
        @media (max-width: 1023px) {
            .header-inner {
                height: 64px;
                gap: 16px;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav {
                top: 64px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-header h1 {
                font-size: 26px;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-top {
                padding: 32px 0 24px;
            }
            .article-body-wrapper {
                padding: 32px 0 48px;
            }
            .article-body {
                font-size: 15px;
            }
            .section-related,
            .section-comments {
                padding: 48px 0;
            }
            .section-actions {
                padding: 40px 0;
            }
            .action-group {
                flex-direction: column;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #8C1D40;
  --primary-dark: #5E0F2D;
  --primary-light: #B53D63;
  --accent: #D9A05B;
  --bg-main: #191114;
  --bg-secondary: #241A20;
  --bg-deep: #2A1D22;
  --text-main: #F5EBE2;
  --text-secondary: #B7A5A0;
  --text-muted: #8F7C77;
  --border: #4A2A33;
  --success: #2F6B5E;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-badge: 999px;
  --radius-img: 10px;
  --shadow-card: 0 6px 24px rgba(0,0,0,.32);
  --shadow-card-hover: 0 12px 36px rgba(140,29,64,.28);
  --font-family: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --spacing-section: 72px;
  --container-max: 1280px;
  --transition: all .25s ease;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
*, *::before, *::after {
  box-sizing: border-box;
}
body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--text-main);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--accent);
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
  border: none;
}
button {
  cursor: pointer;
  background: none;
}
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  line-height: 1.35;
  color: var(--text-main);
}
p {
  margin: 0;
  color: var(--text-secondary);
}
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ Header ============ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(25, 17, 20, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-mark {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
  border-radius: var(--radius-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  color: var(--text-main);
  letter-spacing: 1px;
  position: relative;
}
.logo-mark::after {
  content: '';
  position: absolute;
  bottom: -3px;
  right: -3px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--bg-main);
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 0.5px;
}
.logo-tagline {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  position: relative;
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  border-radius: 6px;
  letter-spacing: 0.3px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width .3s ease;
}
.nav-link:hover {
  color: var(--text-main);
}
.nav-link:hover::after {
  width: 24px;
}
.nav-link.active {
  color: var(--text-main);
}
.nav-link.active::after {
  width: 28px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: 8px 14px;
  transition: var(--transition);
}
.search-box:focus-within {
  border-color: var(--primary-light);
}
.search-box svg {
  color: var(--text-muted);
  flex-shrink: 0;
}
.search-box input {
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 13px;
  width: 140px;
  letter-spacing: 0.3px;
}
.search-box input::placeholder {
  color: var(--text-muted);
}
.btn-member {
  background: var(--primary);
  color: var(--text-main);
  padding: 10px 22px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.5px;
  transition: var(--transition);
  white-space: nowrap;
  border: none;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(140, 29, 64, 0.3);
}
.btn-member:hover {
  background: var(--primary-light);
  color: var(--text-main);
  box-shadow: 0 4px 14px rgba(140, 29, 64, 0.45);
}
.btn-member:active {
  background: var(--primary-dark);
  transform: translateY(1px);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-deep);
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-main);
  z-index: 99;
  padding: 24px;
  overflow-y: auto;
  flex-direction: column;
  gap: 8px;
}
.mobile-nav.open {
  display: flex;
}
.mobile-nav .nav-link {
  font-size: 17px;
  padding: 16px 24px;
  border-radius: 10px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.mobile-nav .nav-link:hover,
.mobile-nav .nav-link.active {
  color: var(--text-main);
  background: var(--bg-deep);
}
.mobile-nav .nav-link::after {
  display: none;
}

/* ============ Section 通用 ============ */
.section {
  padding: var(--spacing-section) 0;
}
.section-secondary {
  background: var(--bg-secondary);
}
.section-deep {
  background: var(--bg-deep);
}
.section-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  display: block;
  width: 36px;
  height: 3px;
  background: var(--primary-light);
  border-radius: 2px;
  margin-top: 6px;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 640px;
  margin-bottom: 32px;
}

/* ============ 分类页 H1 区 ============ */
.category-hero {
  padding: 56px 0 40px;
  background: var(--bg-main);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.category-hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(140, 29, 64, 0.25) 0%, transparent 70%);
  pointer-events: none;
}
.category-hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}
.category-hero-left {
  max-width: 680px;
}
.category-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 16px;
}
.category-breadcrumb span {
  color: var(--text-secondary);
}
.category-breadcrumb .sep {
  color: var(--text-muted);
  margin: 0 2px;
}
.category-hero h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.25;
  margin-bottom: 12px;
}
.category-hero h1 .accent-text {
  color: var(--accent);
}
.category-hero-desc {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 560px;
}
.category-hero-right {
  text-align: right;
  flex-shrink: 0;
}
.category-hero-count {
  display: inline-block;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 16px 24px;
  color: var(--text-secondary);
  font-size: 14px;
}
.category-hero-count strong {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
}

/* ============ 筛选条 ============ */
.filter-bar {
  padding: 20px 0;
  background: var(--bg-main);
  border-bottom: 1px solid var(--border);
}
.filter-bar-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.filter-label {
  color: var(--text-muted);
  font-size: 13px;
  letter-spacing: 0.5px;
  margin-right: 4px;
  flex-shrink: 0;
}
.filter-tag {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 20px;
  border-radius: var(--radius-badge);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.filter-tag:hover {
  border-color: var(--primary-light);
  color: var(--text-main);
}
.filter-tag.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--text-main);
  box-shadow: 0 2px 8px rgba(140, 29, 64, 0.3);
}
.filter-tag:focus-visible {
  outline: 2px solid var(--primary-light);
  outline-offset: 2px;
}

/* ============ 卡片列表 ============ */
.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.content-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.content-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}
.content-card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-deep);
}
.content-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform .4s ease;
}
.content-card:hover .content-card-img img {
  transform: scale(1.04);
}
.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(25, 17, 20, 0.85);
  border: 1px solid var(--primary-light);
  color: var(--accent);
  padding: 4px 14px;
  border-radius: var(--radius-badge);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  backdrop-filter: blur(4px);
}
.card-rating {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(25, 17, 20, 0.85);
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: var(--radius-badge);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.content-card-body {
  padding: 18px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.content-card-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.content-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.content-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: var(--transition);
}
.card-link:hover {
  color: var(--primary-light);
  gap: 10px;
}
.card-link svg {
  transition: transform .25s ease;
}

/* ============ Top 榜单 ============ */
.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ranking-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 18px 20px;
  transition: var(--transition);
}
.ranking-item:hover {
  border-color: var(--primary);
  background: var(--bg-secondary);
}
.ranking-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  min-width: 48px;
  text-align: center;
  flex-shrink: 0;
  letter-spacing: 1px;
}
.ranking-content {
  flex: 1;
  min-width: 0;
}
.ranking-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ranking-desc {
  font-size: 13px;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}
.ranking-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}
.ranking-meta .score {
  color: var(--accent);
  font-weight: 700;
}

/* ============ 专题推荐 ============ */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.topic-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.topic-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}
.topic-card-img {
  aspect-ratio: 16 / 7;
  overflow: hidden;
  background: var(--bg-deep);
}
.topic-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.topic-card:hover .topic-card-img img {
  transform: scale(1.03);
}
.topic-card-body {
  padding: 20px 24px 24px;
  flex: 1;
}
.topic-card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}
.topic-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============ 说明区 ============ */
.rules-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}
.rules-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.rule-block {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-card);
  padding: 16px 20px;
}
.rule-block h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}
.rule-block p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}
.rules-illustration {
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  aspect-ratio: 4 / 3;
}
.rules-illustration img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============ 查看更多按钮 ============ */
.view-more-wrap {
  text-align: center;
  padding: 12px 0 0;
}
.btn-view-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: var(--text-main);
  padding: 14px 36px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.5px;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(140, 29, 64, 0.3);
}
.btn-view-more:hover {
  background: var(--primary-light);
  color: var(--text-main);
  box-shadow: 0 6px 20px rgba(140, 29, 64, 0.45);
  transform: translateY(-1px);
}
.btn-view-more:active {
  background: var(--primary-dark);
  transform: translateY(1px);
}
.btn-view-more:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============ 资讯列表 ============ */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px 22px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}
.news-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.news-card-tag {
  background: var(--bg-deep);
  border: 1px solid var(--primary);
  color: var(--primary-light);
  padding: 2px 12px;
  border-radius: var(--radius-badge);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.news-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}
.news-card-link {
  margin-top: auto;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: var(--transition);
}
.news-card-link:hover {
  color: var(--primary-light);
}
.news-empty {
  text-align: center;
  padding: 48px 24px;
  background: var(--bg-secondary);
  border: 1px dashed var(--border);
  border-radius: var(--radius-card);
  color: var(--text-muted);
  font-size: 14px;
}

/* ============ Footer ============ */
.footer {
  background: #151012;
  border-top: 3px solid var(--primary);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 36px;
  margin-bottom: 32px;
}
.footer-brand-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}
.footer-brand-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 300px;
}
.footer-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 14px;
  letter-spacing: 0.3px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  text-align: center;
}
.footer-bottom p {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  :root {
    --spacing-section: 56px;
  }
  .container {
    padding: 0 20px;
  }
  .content-grid,
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .header-actions .search-box {
    display: none;
  }
  .nav-desktop {
    gap: 0;
  }
  .nav-link {
    padding: 8px 12px;
    font-size: 13px;
  }
  .category-hero h1 {
    font-size: 27px;
  }
}
@media (max-width: 767px) {
  :root {
    --spacing-section: 40px;
  }
  .container {
    padding: 0 16px;
  }
  .header-inner {
    height: 60px;
    gap: 12px;
  }
  .nav-desktop {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .search-box {
    display: none;
  }
  .btn-member {
    padding: 8px 16px;
    font-size: 12px;
  }
  .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }
  .logo-name {
    font-size: 15px;
  }
  .logo-tagline {
    font-size: 10px;
    letter-spacing: 0.8px;
  }
  .category-hero {
    padding: 36px 0 28px;
  }
  .category-hero .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .category-hero h1 {
    font-size: 22px;
  }
  .category-hero-desc {
    font-size: 14px;
  }
  .category-hero-right {
    text-align: left;
  }
  .category-hero-count {
    padding: 12px 20px;
  }
  .category-hero-count strong {
    font-size: 22px;
  }
  .section-title {
    font-size: 20px;
  }
  .content-grid,
  .topic-grid,
  .news-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .rules-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .ranking-item {
    padding: 14px 16px;
    gap: 12px;
  }
  .ranking-number {
    font-size: 26px;
    min-width: 36px;
  }
  .filter-bar {
    padding: 14px 0;
  }
  .filter-tag {
    padding: 6px 14px;
    font-size: 12px;
  }
  .btn-view-more {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer {
    padding: 32px 0 16px;
  }
}
@media (max-width: 520px) {
  .logo-tagline {
    display: none;
  }
  .content-card-title {
    font-size: 15px;
  }
  .content-card-desc {
    font-size: 13px;
  }
  .ranking-title {
    font-size: 14px;
  }
  .ranking-desc {
    font-size: 12px;
  }
  .topic-card-title {
    font-size: 16px;
  }
  .topic-card-desc {
    font-size: 13px;
  }
}

/* roulang page: category2 */
:root {
      --primary: #8C1D40;
      --primary-dark: #5E0F2D;
      --primary-light: #B53D63;
      --accent: #D9A05B;
      --bg-main: #191114;
      --bg-secondary: #241A20;
      --bg-deep: #2A1D22;
      --text-main: #F5EBE2;
      --text-secondary: #B7A5A0;
      --text-muted: #8F7C77;
      --border: #4A2A33;
      --success: #2F6B5E;
      --radius-card: 14px;
      --radius-btn: 10px;
      --radius-badge: 999px;
      --radius-img: 10px;
      --shadow-card: 0 6px 24px rgba(0,0,0,.32);
      --shadow-card-hover: 0 12px 36px rgba(140,29,64,.28);
      --font-family: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      --spacing-section: 72px;
      --container-max: 1280px;
      --transition: all .25s ease;
    }
    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }
    body {
      font-family: var(--font-family);
      background-color: var(--bg-main);
      color: var(--text-main);
      font-size: 15px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      color: var(--text-main);
      text-decoration: none;
      transition: var(--transition);
    }
    a:hover {
      color: var(--accent);
    }
    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
      outline: none;
      border: none;
    }
    button {
      cursor: pointer;
      background: none;
    }
    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }
    /* Header */
    .header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(25, 17, 20, 0.78);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      padding: 0;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 24px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }
    .logo-mark {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
      border-radius: var(--radius-btn);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 18px;
      color: var(--text-main);
      letter-spacing: 1px;
      position: relative;
    }
    .logo-mark::after {
      content: '';
      position: absolute;
      bottom: -3px;
      right: -3px;
      width: 12px;
      height: 12px;
      background: var(--accent);
      border-radius: 50%;
      border: 2px solid var(--bg-main);
    }
    .logo-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }
    .logo-name {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: 0.5px;
    }
    .logo-tagline {
      font-size: 11px;
      color: var(--text-muted);
      letter-spacing: 1.5px;
      text-transform: uppercase;
    }
    .nav-desktop {
      display: flex;
      align-items: center;
      gap: 4px;
      flex: 1;
      justify-content: center;
    }
    .nav-link {
      position: relative;
      padding: 8px 16px;
      color: var(--text-secondary);
      font-size: 14px;
      font-weight: 500;
      border-radius: 6px;
      letter-spacing: 0.3px;
    }
    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 50%;
      transform: translateX(-50%);
      width: 0;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
      transition: width .3s ease;
    }
    .nav-link:hover {
      color: var(--text-main);
    }
    .nav-link:hover::after {
      width: 24px;
    }
    .nav-link.active {
      color: var(--text-main);
    }
    .nav-link.active::after {
      width: 28px;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }
    .search-box {
      display: flex;
      align-items: center;
      gap: 8px;
      background: var(--bg-deep);
      border: 1px solid var(--border);
      border-radius: var(--radius-btn);
      padding: 8px 14px;
      transition: var(--transition);
    }
    .search-box:focus-within {
      border-color: var(--primary-light);
    }
    .search-box svg {
      color: var(--text-muted);
      flex-shrink: 0;
    }
    .search-box input {
      background: none;
      border: none;
      color: var(--text-main);
      font-size: 13px;
      width: 140px;
      letter-spacing: 0.3px;
    }
    .search-box input::placeholder {
      color: var(--text-muted);
    }
    .btn-member {
      background: var(--primary);
      color: var(--text-main);
      padding: 10px 22px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      font-size: 13px;
      letter-spacing: 0.5px;
      transition: var(--transition);
      white-space: nowrap;
      border: none;
      cursor: pointer;
      box-shadow: 0 2px 8px rgba(140, 29, 64, 0.3);
    }
    .btn-member:hover {
      background: var(--primary-light);
      color: var(--text-main);
      box-shadow: 0 4px 14px rgba(140, 29, 64, 0.45);
    }
    .btn-member:active {
      background: var(--primary-dark);
      transform: translateY(1px);
    }
    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      padding: 10px;
      border-radius: 8px;
      border: 1px solid var(--border);
      background: var(--bg-deep);
    }
    .hamburger span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-main);
      border-radius: 2px;
      transition: var(--transition);
    }
    .hamburger.open span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }
    .hamburger.open span:nth-child(2) {
      opacity: 0;
    }
    .hamburger.open span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }
    .mobile-nav {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      right: 0;
      bottom: 0;
      background: var(--bg-main);
      z-index: 99;
      padding: 24px;
      overflow-y: auto;
      flex-direction: column;
      gap: 8px;
    }
    .mobile-nav.open {
      display: flex;
    }
    .mobile-nav .nav-link {
      font-size: 17px;
      padding: 16px 24px;
      border-radius: 10px;
      border-bottom: 1px solid var(--border);
      color: var(--text-secondary);
    }
    .mobile-nav .nav-link:hover,
    .mobile-nav .nav-link.active {
      color: var(--text-main);
      background: var(--bg-deep);
    }
    .mobile-nav .nav-link::after {
      display: none;
    }
    /* Section base */
    section {
      padding: var(--spacing-section) 0;
    }
    .bg-secondary-section {
      background-color: var(--bg-secondary);
    }
    .section-title {
      font-size: 26px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
    .section-subtitle {
      font-size: 15px;
      color: var(--text-secondary);
      margin-bottom: 40px;
      max-width: 720px;
    }
    /* Category Hero */
    .category-hero {
      padding: 48px 0 32px;
      background: var(--bg-main);
      border-bottom: 1px solid var(--border);
    }
    .category-hero-inner {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }
    .category-hero-title {
      font-size: 30px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: 0.5px;
      margin-bottom: 8px;
    }
    .category-hero-desc {
      font-size: 14px;
      color: var(--text-secondary);
      max-width: 600px;
    }
    .category-hero-stat {
      background: var(--bg-deep);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 16px 22px;
      text-align: center;
      min-width: 180px;
    }
    .category-hero-stat-num {
      font-size: 22px;
      font-weight: 700;
      color: var(--accent);
    }
    .category-hero-stat-label {
      font-size: 12px;
      color: var(--text-muted);
    }
    /* Filter tags */
    .filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      padding: 24px 0;
    }
    .filter-tag {
      background: var(--bg-deep);
      border: 1px solid var(--border);
      color: var(--text-secondary);
      padding: 8px 20px;
      border-radius: var(--radius-badge);
      font-size: 13px;
      transition: var(--transition);
      cursor: pointer;
    }
    .filter-tag:hover {
      color: var(--accent);
      border-color: var(--accent);
    }
    .filter-tag.active {
      background: var(--primary);
      border-color: var(--primary);
      color: var(--text-main);
      font-weight: 600;
    }
    /* Cards grid */
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 16px;
    }
    .card {
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      overflow: hidden;
      transition: var(--transition);
      box-shadow: var(--shadow-card);
      display: flex;
      flex-direction: column;
    }
    .card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-card-hover);
      transform: translateY(-4px);
    }
    .card-img {
      overflow: hidden;
      aspect-ratio: 16/9;
    }
    .card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }
    .card:hover .card-img img {
      transform: scale(1.03);
    }
    .card-body {
      padding: 16px 18px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .card-title {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .card-summary {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 12px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      flex: 1;
    }
    .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-muted);
    }
    .card-tag {
      background: var(--bg-deep);
      border: 1px solid var(--border);
      border-radius: var(--radius-badge);
      padding: 2px 10px;
      font-size: 11px;
      color: var(--text-secondary);
    }
    .card-rating {
      color: var(--accent);
      font-weight: 700;
    }
    .card-link-more {
      color: var(--accent);
      font-size: 13px;
      font-weight: 600;
      display: inline-block;
      margin-top: 12px;
    }
    /* Ranking */
    .ranking-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .ranking-item {
      display: flex;
      align-items: center;
      gap: 18px;
      background: var(--bg-main);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 16px 20px;
      transition: var(--transition);
    }
    .ranking-item:hover {
      border-color: var(--primary-light);
      background: var(--bg-deep);
    }
    .ranking-num {
      font-size: 32px;
      font-weight: 700;
      color: var(--accent);
      width: 50px;
      text-align: center;
      flex-shrink: 0;
    }
    .ranking-info {
      flex: 1;
    }
    .ranking-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .ranking-desc {
      font-size: 13px;
      color: var(--text-secondary);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .ranking-score {
      font-size: 16px;
      font-weight: 700;
      color: var(--accent);
      flex-shrink: 0;
    }
    /* Featured cards */
    .featured-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .featured-card {
      background: var(--bg-main);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      overflow: hidden;
      transition: var(--transition);
    }
    .featured-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-card-hover);
    }
    .featured-img {
      aspect-ratio: 16/9;
      overflow: hidden;
    }
    .featured-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }
    .featured-card:hover .featured-img img {
      transform: scale(1.03);
    }
    .featured-body {
      padding: 18px 20px;
    }
    .featured-title {
      font-size: 19px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .featured-desc {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    /* Notes */
    .notes-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      align-items: center;
    }
    .notes-item {
      margin-bottom: 20px;
    }
    .notes-item-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .notes-item-title::before {
      content: '';
      width: 6px;
      height: 18px;
      background: var(--primary);
      border-radius: 3px;
      flex-shrink: 0;
    }
    .notes-item-text {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.8;
    }
    .notes-image {
      background: var(--bg-deep);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 20px;
      text-align: center;
      color: var(--text-muted);
    }
    .notes-image img {
      max-height: 220px;
      object-fit: contain;
      margin: 0 auto;
      border-radius: var(--radius-img);
    }
    /* More button */
    .more-wrap {
      text-align: center;
      padding: 0 0 var(--spacing-section);
    }
    .btn-primary {
      background: var(--primary);
      color: var(--text-main);
      padding: 12px 32px;
      border-radius: var(--radius-btn);
      font-weight: 600;
      font-size: 14px;
      letter-spacing: 0.5px;
      border: none;
      cursor: pointer;
      transition: var(--transition);
      display: inline-block;
      box-shadow: 0 4px 12px rgba(140,29,64,.3);
    }
    .btn-primary:hover {
      background: var(--primary-light);
      color: var(--text-main);
      box-shadow: 0 6px 18px rgba(140,29,64,.45);
      transform: translateY(-2px);
    }
    .btn-primary:active {
      background: var(--primary-dark);
      transform: translateY(0);
    }
    /* Footer */
    .footer {
      background: #151012;
      border-top: 3px solid var(--primary);
      padding: 56px 0 24px;
      margin-top: 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      margin-bottom: 40px;
    }
    .footer-brand-name {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .footer-brand-desc {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.7;
    }
    .footer-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      font-size: 13px;
      color: var(--text-secondary);
      transition: var(--transition);
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-contact {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .footer-bottom {
      border-top: 1px solid var(--border);
      padding-top: 20px;
      text-align: center;
      font-size: 12px;
      color: var(--text-muted);
    }
    /* Responsive */
    @media (max-width: 1024px) {
      .cards-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 767px) {
      :root {
        --spacing-section: 48px;
      }
      .header-inner {
        height: 60px;
      }
      .nav-desktop {
        display: none;
      }
      .hamburger {
        display: flex;
      }
      .search-box {
        display: none;
      }
      .category-hero-inner {
        flex-direction: column;
      }
      .category-hero-title {
        font-size: 24px;
      }
      .cards-grid {
        grid-template-columns: 1fr;
      }
      .featured-grid {
        grid-template-columns: 1fr;
      }
      .notes-grid {
        grid-template-columns: 1fr;
      }
      .ranking-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .ranking-num {
        width: auto;
        font-size: 28px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
    }

/* roulang page: category3 */
:root {
    --primary: #8C1D40;
    --primary-dark: #5E0F2D;
    --primary-light: #B53D63;
    --accent: #D9A05B;
    --bg-main: #191114;
    --bg-secondary: #241A20;
    --bg-deep: #2A1D22;
    --text-main: #F5EBE2;
    --text-secondary: #B7A5A0;
    --text-muted: #8F7C77;
    --border: #4A2A33;
    --success: #2F6B5E;
    --radius-card: 14px;
    --radius-btn: 10px;
    --radius-badge: 999px;
    --radius-img: 10px;
    --shadow-card: 0 6px 24px rgba(0,0,0,.32);
    --shadow-card-hover: 0 12px 36px rgba(140,29,64,.28);
    --font-family: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    --spacing-section: 72px;
    --container-max: 1280px;
    --transition: all .25s ease;
  }
  html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
  }
  body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-main);
    font-size: 15px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
  }
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  a {
    color: var(--text-main);
    text-decoration: none;
    transition: var(--transition);
  }
  a:hover {
    color: var(--accent);
  }
  button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    outline: none;
    border: none;
  }
  button {
    cursor: pointer;
    background: none;
  }
  .container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
  }

  /* ============ Header ============ */
  .header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(25, 17, 20, 0.78);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0;
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }
  .logo-mark {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
    border-radius: var(--radius-btn);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    color: var(--text-main);
    letter-spacing: 1px;
    position: relative;
    flex-shrink: 0;
  }
  .logo-mark::after {
    content: '';
    position: absolute;
    bottom: -3px;
    right: -3px;
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 50%;
    border: 2px solid var(--bg-main);
  }
  .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
  }
  .logo-name {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 0.5px;
  }
  .logo-tagline {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
  }
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
  }
  .nav-link {
    position: relative;
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: 6px;
    letter-spacing: 0.3px;
    white-space: nowrap;
  }
  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: width .3s ease;
  }
  .nav-link:hover {
    color: var(--text-main);
  }
  .nav-link:hover::after {
    width: 24px;
  }
  .nav-link.active {
    color: var(--text-main);
  }
  .nav-link.active::after {
    width: 28px;
  }
  .header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }
  .search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-deep);
    border: 1px solid var(--border);
    border-radius: var(--radius-btn);
    padding: 8px 14px;
    transition: var(--transition);
  }
  .search-box:focus-within {
    border-color: var(--primary-light);
  }
  .search-box svg {
    color: var(--text-muted);
    flex-shrink: 0;
  }
  .search-box input {
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 13px;
    width: 140px;
    letter-spacing: 0.3px;
  }
  .search-box input::placeholder {
    color: var(--text-muted);
  }
  .btn-member {
    background: var(--primary);
    color: var(--text-main);
    padding: 10px 22px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 13px;
    letter-spacing: 0.5px;
    transition: var(--transition);
    white-space: nowrap;
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(140, 29, 64, 0.3);
  }
  .btn-member:hover {
    background: var(--primary-light);
    color: var(--text-main);
    box-shadow: 0 4px 14px rgba(140, 29, 64, 0.45);
  }
  .btn-member:active {
    background: var(--primary-dark);
    transform: translateY(1px);
  }
  .hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--bg-deep);
  }
  .hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: var(--transition);
  }
  .hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-main);
    z-index: 99;
    padding: 24px;
    overflow-y: auto;
    flex-direction: column;
    gap: 8px;
  }
  .mobile-nav.open {
    display: flex;
  }
  .mobile-nav .nav-link {
    font-size: 17px;
    padding: 16px 24px;
    border-radius: 10px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
  }
  .mobile-nav .nav-link:hover,
  .mobile-nav .nav-link.active {
    color: var(--text-main);
    background: var(--bg-deep);
  }
  .mobile-nav .nav-link::after {
    display: none;
  }

  /* ============ 分类页特有 ============ */
  .category-hero {
    padding: 56px 0 36px;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border);
  }
  .category-hero-inner {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
  }
  .category-hero-left h1 {
    font-size: 34px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.25;
    letter-spacing: 0.5px;
    margin: 0 0 12px;
  }
  .category-hero-left h1 .h1-accent {
    color: var(--accent);
  }
  .category-hero-left p {
    font-size: 15px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.8;
  }
  .category-hero-right {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 18px 24px;
    text-align: center;
    min-width: 220px;
  }
  .category-hero-right .stat-num {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1.2;
  }
  .category-hero-right .stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
  }

  /* 筛选条 */
  .filter-bar {
    padding: 20px 0;
    background: var(--bg-main);
    border-bottom: 1px solid var(--border);
  }
  .filter-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
  }
  .filter-tag {
    padding: 8px 20px;
    border-radius: var(--radius-badge);
    background: var(--bg-deep);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    letter-spacing: 0.3px;
  }
  .filter-tag:hover {
    color: var(--accent);
    border-color: var(--accent);
  }
  .filter-tag.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--text-main);
    box-shadow: 0 2px 8px rgba(140, 29, 64, 0.3);
  }
  .filter-tag:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  /* 卡片主体 */
  .selection-section {
    padding: var(--spacing-section) 0;
    background: var(--bg-main);
  }
  .section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 32px;
    gap: 16px;
    flex-wrap: wrap;
  }
  .section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 0.3px;
    margin: 0;
    position: relative;
    padding-left: 16px;
  }
  .section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--primary);
    border-radius: 4px;
  }
  .section-sub {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
  }
  .selection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .selection-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
  }
  .selection-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
  }
  .selection-card-img {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg-deep);
  }
  .selection-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s ease;
  }
  .selection-card:hover .selection-card-img img {
    transform: scale(1.03);
  }
  .selection-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: var(--text-main);
    padding: 4px 12px;
    border-radius: var(--radius-badge);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
  }
  .selection-card-rating {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(25, 17, 20, 0.85);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: var(--radius-badge);
    font-size: 12px;
    font-weight: 700;
    border: 1px solid rgba(217, 160, 91, 0.4);
  }
  .selection-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .selection-card-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.45;
    margin: 0 0 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .selection-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0 0 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
  }
  .selection-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
    padding-top: 14px;
  }
  .selection-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }
  .selection-card-meta .meta-tag {
    background: var(--bg-deep);
    padding: 3px 10px;
    border-radius: var(--radius-badge);
    border: 1px solid var(--border);
    color: var(--text-secondary);
  }

  /* 榜单区 */
  .ranking-section {
    padding: var(--spacing-section) 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .ranking-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  .ranking-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 16px 20px;
    transition: var(--transition);
  }
  .ranking-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-card-hover);
  }
  .ranking-num {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent);
    min-width: 56px;
    text-align: center;
    line-height: 1;
    flex-shrink: 0;
  }
  .ranking-info {
    flex: 1;
    min-width: 0;
  }
  .ranking-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin: 0 0 4px;
    line-height: 1.4;
  }
  .ranking-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  .ranking-score {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--accent);
  }
  .ranking-score .star {
    color: var(--accent);
    font-size: 18px;
  }

  /* 专题推荐 */
  .feature-section {
    padding: var(--spacing-section) 0;
    background: var(--bg-main);
  }
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
  }
  .feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-3px);
  }
  .feature-card-img {
    aspect-ratio: 21 / 9;
    overflow: hidden;
    background: var(--bg-deep);
  }
  .feature-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s ease;
  }
  .feature-card:hover .feature-card-img img {
    transform: scale(1.03);
  }
  .feature-card-body {
    padding: 20px 24px;
  }
  .feature-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
    margin: 0 0 8px;
    line-height: 1.4;
  }
  .feature-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.7;
  }

  /* 说明区 */
  .notice-section {
    padding: var(--spacing-section) 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .notice-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
  }
  .notice-item {
    background: var(--bg-main);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 24px;
    transition: var(--transition);
  }
  .notice-item:hover {
    border-color: var(--primary-light);
  }
  .notice-icon {
    font-size: 28px;
    line-height: 1;
    margin-bottom: 12px;
    color: var(--accent);
  }
  .notice-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    margin: 0 0 8px;
  }
  .notice-text {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.7;
  }

  /* 查看更多 */
  .load-more-section {
    padding: 40px 0 60px;
    background: var(--bg-main);
    text-align: center;
  }
  .btn-load-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: var(--text-main);
    padding: 12px 36px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(140, 29, 64, 0.3);
  }
  .btn-load-more:hover {
    background: var(--primary-light);
    color: var(--text-main);
    box-shadow: 0 4px 16px rgba(140, 29, 64, 0.4);
  }
  .btn-load-more:active {
    background: var(--primary-dark);
    transform: translateY(1px);
  }
  .btn-load-more:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  /* ============ Footer ============ */
  .footer {
    background: #151012;
    border-top: 3px solid var(--primary);
    padding: 48px 0 0;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 32px;
    padding-bottom: 40px;
  }
  .footer-brand-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
    letter-spacing: 0.5px;
  }
  .footer-brand-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
    margin: 0;
  }
  .footer-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin: 0 0 14px;
  }
  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .footer-links a {
    font-size: 13px;
    color: var(--text-secondary);
    transition: var(--transition);
  }
  .footer-links a:hover {
    color: var(--accent);
  }
  .footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
  }
  .footer-contact span {
    display: block;
  }
  .footer-bottom {
    border-top: 1px solid var(--border);
    padding: 18px 0;
    text-align: center;
  }
  .footer-bottom p {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
    letter-spacing: 0.3px;
  }

  /* ============ 响应式 ============ */
  @media (max-width: 1024px) {
    .selection-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
  }
  @media (max-width: 768px) {
    .nav-desktop {
      display: none;
    }
    .search-box {
      display: none;
    }
    .hamburger {
      display: flex;
    }
    .header-inner {
      height: 64px;
      gap: 12px;
    }
    .header {
      top: 0;
    }
    .mobile-nav {
      top: 64px;
    }
    .category-hero-inner {
      flex-direction: column;
      align-items: flex-start;
    }
    .category-hero-left h1 {
      font-size: 26px;
    }
    .category-hero-right {
      min-width: 100%;
      text-align: left;
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 14px 20px;
    }
    .category-hero-right .stat-num {
      font-size: 28px;
    }
    .feature-grid {
      grid-template-columns: 1fr;
    }
    .notice-grid {
      grid-template-columns: 1fr;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 20px;
    }
    .filter-tags {
      gap: 8px;
    }
    .filter-tag {
      padding: 7px 16px;
      font-size: 12px;
    }
  }
  @media (max-width: 520px) {
    .selection-grid {
      grid-template-columns: 1fr;
    }
    .container {
      padding: 0 16px;
    }
    .category-hero {
      padding: 36px 0 24px;
    }
    .category-hero-left h1 {
      font-size: 22px;
    }
    .section-title {
      font-size: 20px;
    }
    .ranking-item {
      flex-direction: column;
      align-items: flex-start;
      gap: 10px;
      padding: 14px 16px;
    }
    .ranking-num {
      font-size: 28px;
      min-width: auto;
    }
    .ranking-score {
      align-self: flex-end;
    }
    .btn-member {
      padding: 8px 14px;
      font-size: 12px;
    }
    .logo-name {
      font-size: 15px;
    }
    .logo-tagline {
      font-size: 10px;
      letter-spacing: 1px;
    }
    .logo-mark {
      width: 36px;
      height: 36px;
      font-size: 15px;
    }
    .selection-card-body {
      padding: 16px;
    }
    .feature-card-body {
      padding: 16px 18px;
    }
  }