/* roulang page: index */
/* ========== 设计变量（Design Tokens） ========== */
:root {
  --primary: #1B6BFF;
  --primary-dark: #0D4FBF;
  --accent: #FF7A1A;
  --success: #18B57F;
  --bg: #F8FAFC;
  --bg-white: #FFFFFF;
  --bg-alt: #F4F7FB;
  --text-title: #101828;
  --text-body: #344054;
  --text-muted: #667085;
  --text-placeholder: #98A2B3;
  --border: #E4E7EC;
  --shadow-card: 0px 2px 8px rgba(16, 24, 40, 0.06);
  --shadow-hover: 0px 8px 24px rgba(16, 24, 40, 0.10);
  --shadow-btn: 0 4px 12px rgba(27, 107, 255, 0.25);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --space-section: 80px;
  --space-section-mob: 48px;
  --nav-width: 240px;
  --font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --transition: all 0.3s ease;
}

/* ========== Reset / Base ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
input {
  font-family: inherit;
  outline: none;
}
ul, ol {
  list-style: none;
}
h1, h2, h3, h4, h5, h6 {
  color: var(--text-title);
  line-height: 1.3;
  font-weight: 700;
}
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: var(--space-section) 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.5px;
  position: relative;
  padding-left: 16px;
}
.section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 24px;
  background: var(--primary);
  border-radius: 3px;
}
.section-head .section-more {
  font-size: 14px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.section-head .section-more:hover {
  color: var(--primary);
  gap: 10px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 79, 191, 0.3);
}
.btn-primary:active {
  transform: translateY(0);
}
.btn-outline-light {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.7);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.22);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: rgba(27, 107, 255, 0.05);
  transform: translateY(-2px);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 122, 26, 0.3);
}
.btn-accent:hover {
  background: #E86A0D;
  transform: translateY(-2px);
}

/* ========== 标签 / 徽章 ========== */
.tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.tag-blue {
  background: rgba(27, 107, 255, 0.08);
  color: var(--primary);
}
.tag-orange {
  background: rgba(255, 122, 26, 0.10);
  color: var(--accent);
}
.tag-green {
  background: rgba(24, 181, 127, 0.10);
  color: var(--success);
}
.badge-new {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 8px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.badge-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 52px;
  height: 24px;
  padding: 0 10px;
  border-radius: 12px;
  background: var(--bg-alt);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
}

/* ========== 左侧导航 / App Shell ========== */
.site-shell {
  min-height: 100vh;
}
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--nav-width);
  background: var(--bg-white);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  padding: 24px 16px;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 8px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #4A9FFF);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(27, 107, 255, 0.25);
}
.logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-title);
  line-height: 1.25;
  letter-spacing: 0.3px;
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 44px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  position: relative;
  transition: var(--transition);
}
.nav-item i {
  width: 18px;
  text-align: center;
  font-size: 15px;
  color: var(--text-muted);
  transition: var(--transition);
}
.nav-item:hover {
  background: var(--bg-alt);
  color: var(--primary);
}
.nav-item:hover i {
  color: var(--primary);
}
.nav-item.active {
  background: rgba(27, 107, 255, 0.08);
  color: var(--primary);
  font-weight: 600;
}
.nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--primary);
  border-radius: 0 3px 3px 0;
}
.nav-item.active i {
  color: var(--primary);
}
.sidebar-status {
  margin-top: auto;
  padding: 14px 16px;
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  position: relative;
  flex-shrink: 0;
}
.status-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(24, 181, 127, 0.3);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* 主内容区 */
.main-content {
  margin-left: var(--nav-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== 移动端头部 ========== */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 110;
  height: 60px;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  align-items: center;
  justify-content: space-between;
}
.mobile-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-title);
}
.mobile-logo .logo-icon {
  width: 32px;
  height: 32px;
  font-size: 14px;
  border-radius: 8px;
}
.menu-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-title);
  background: var(--bg-alt);
  transition: var(--transition);
}
.menu-toggle:hover {
  background: var(--border);
}
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(16, 24, 40, 0.45);
  z-index: 120;
  opacity: 0;
  transition: opacity 0.3s;
}
.drawer-overlay.visible {
  display: block;
  opacity: 1;
}
.drawer {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 280px;
  max-width: 80%;
  background: var(--bg-white);
  z-index: 130;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  box-shadow: 4px 0 30px rgba(16, 24, 40, 0.15);
  overflow-y: auto;
}
.drawer.open {
  transform: translateX(0);
}
.drawer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 8px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.drawer-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--bg-alt);
  color: var(--text-muted);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  z-index: 5;
}
.drawer-close:hover {
  background: var(--border);
  color: var(--text-title);
}
.drawer-status {
  margin-top: auto;
  padding: 12px 16px;
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 80px 40px 100px;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(165deg, rgba(16, 24, 40, 0.75) 0%, rgba(16, 24, 40, 0.45) 55%, rgba(16, 24, 40, 0.65) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  text-align: center;
  color: #fff;
  animation: fadeUp 0.8s ease both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero h1 {
  font-size: 46px;
  font-weight: 800;
  color: #fff;
  line-height: 1.28;
  letter-spacing: 1px;
  margin-bottom: 20px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.hero-sub {
  font-size: 17px;
  color: rgba(255,255,255,0.88);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 36px;
  letter-spacing: 0.5px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 50px;
}
.hero-stats {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 860px;
  margin: 0 auto;
}
.stat-item {
  flex: 1;
  min-width: 150px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  transition: var(--transition);
}
.stat-item:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-4px);
}
.stat-item strong {
  display: block;
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  font-feature-settings: "tnum";
  margin-bottom: 4px;
}
.stat-item span {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.5px;
}

/* ========== 横滑片库 ========== */
.section-hscroll {
  background: var(--bg-white);
  padding-bottom: calc(var(--space-section) + 20px);
}
.hscroll-wrap {
  position: relative;
}
.hscroll-wrap::before,
.hscroll-wrap::after {
  content: "";
  position: absolute;
  top: -8px;
  bottom: 8px;
  width: 80px;
  z-index: 3;
  pointer-events: none;
}
.hscroll-wrap::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-white), transparent);
}
.hscroll-wrap::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-white), transparent);
}
.hscroll-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px 4px 20px;
  scrollbar-width: none;
}
.hscroll-track::-webkit-scrollbar {
  display: none;
}
.hcard {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}
.hcard:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(27, 107, 255, 0.2);
}
.hcard-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.hcard-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.hcard:hover .hcard-cover img {
  transform: scale(1.05);
}
.hcard-cover .badge-new {
  position: absolute;
  top: 10px;
  left: 10px;
}
.hcard-body {
  padding: 16px;
}
.hcard-body h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.hcard-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}
.hcard-meta .tag {
  font-size: 11px;
  height: 20px;
  padding: 0 8px;
}

/* ========== 热播推荐 ========== */
.hot-picks {
  background: var(--bg-alt);
}
.hot-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 24px;
}
.hot-feature {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.hot-feature:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.hot-feature-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.hot-feature-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.hot-feature:hover .hot-feature-cover img {
  transform: scale(1.04);
}
.hot-feature-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(16,24,40,0.5), transparent 60%);
}
.hot-feature-cover .play-overlay {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(27, 107, 255, 0.85);
  color: #fff;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-shadow: 0 4px 16px rgba(27, 107, 255, 0.4);
  transition: var(--transition);
}
.hot-feature:hover .play-overlay {
  transform: translate(-50%, -50%) scale(1.1);
}
.hot-feature-body {
  padding: 20px 24px 24px;
}
.hot-feature-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.hot-feature-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
}
.hot-feature-body .btn {
  height: 38px;
  padding: 0 20px;
  font-size: 14px;
}
.hot-list {
  display: flex;
  flex-direction: column;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: 8px 20px;
}
.hot-list-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.hot-list-item:last-child {
  border-bottom: none;
}
.hot-list-item:hover {
  padding-left: 6px;
}
.hot-list-thumb {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.hot-list-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hot-list-info {
  flex: 1;
  min-width: 0;
}
.hot-list-info h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-title);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 4px;
}
.hot-list-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}
.hot-list-info .tag {
  font-size: 10px;
  height: 18px;
  padding: 0 6px;
}
.hot-list-rank {
  font-size: 16px;
  font-weight: 800;
  color: var(--border);
  font-feature-settings: "tnum";
  min-width: 22px;
  text-align: center;
}
.hot-list-item:nth-child(1) .hot-list-rank {
  color: var(--accent);
}
.hot-list-item:nth-child(2) .hot-list-rank {
  color: var(--primary);
}
.hot-list-item:nth-child(3) .hot-list-rank {
  color: #F59E0B;
}

/* ========== 片单分区 ========== */
.zones {
  background: var(--bg-white);
}
.zones-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.zone-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  display: block;
  transition: var(--transition);
  background: var(--bg-white);
}
.zone-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(27, 107, 255, 0.25);
}
.zone-card-cover {
  aspect-ratio: 21 / 9;
  overflow: hidden;
  position: relative;
}
.zone-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.zone-card:hover .zone-card-cover img {
  transform: scale(1.05);
}
.zone-card-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(16,24,40,0.25), transparent 70%);
}
.zone-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
}
.zone-body {
  padding: 20px 22px 22px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.zone-body-left {
  flex: 1;
}
.zone-body-left h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 6px;
}
.zone-body-left p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.zone-arrow {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-alt);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
  transition: var(--transition);
}
.zone-card:hover .zone-arrow {
  background: var(--primary);
  color: #fff;
  transform: translateX(4px);
}

/* ========== 最新资讯 ========== */
.news-section {
  background: var(--bg-alt);
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-item {
  display: block;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  padding: 20px 24px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}
.news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--primary);
  transform: scaleY(0);
  transition: transform 0.3s ease;
  transform-origin: top;
  border-radius: 0 3px 3px 0;
}
.news-item:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.news-item:hover::before {
  transform: scaleY(1);
}
.news-item-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.news-item-date {
  font-size: 12px;
  color: var(--text-placeholder);
  font-feature-settings: "tnum";
}
.news-item-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-title);
  margin-bottom: 6px;
  line-height: 1.5;
  transition: var(--transition);
}
.news-item:hover .news-item-title {
  color: var(--primary);
}
.news-item-excerpt {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.news-item-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  opacity: 0.7;
  transition: var(--transition);
}
.news-item:hover .news-item-link {
  opacity: 1;
  gap: 8px;
}
/* 空态 */
.news-empty {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border);
  padding: 60px 40px;
  text-align: center;
  color: var(--text-muted);
}
.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--text-placeholder);
  margin: 0 auto 16px;
}
.news-empty p {
  font-size: 15px;
  line-height: 1.6;
}

/* ========== 追剧 CTA ========== */
.cta-section {
  background: var(--bg-white);
}
.cta-banner {
  position: relative;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 64px 48px;
  text-align: center;
  box-shadow: 0 12px 40px rgba(16, 24, 40, 0.12);
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(27, 107, 255, 0.88) 0%, rgba(13, 79, 191, 0.78) 55%, rgba(255, 122, 26, 0.55) 100%);
}
.cta-banner-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 640px;
  margin: 0 auto;
}
.cta-banner h2 {
  font-size: 30px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.cta-banner p {
  font-size: 15px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 28px;
  line-height: 1.7;
}
.cta-form {
  display: flex;
  gap: 10px;
  max-width: 460px;
  margin: 0 auto;
  flex-wrap: wrap;
}
.cta-form input {
  flex: 1;
  min-width: 220px;
  height: 46px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.4);
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 0 18px;
  font-size: 14px;
  transition: var(--transition);
}
.cta-form input::placeholder {
  color: rgba(255,255,255,0.7);
}
.cta-form input:focus {
  border-color: #fff;
  background: rgba(255,255,255,0.22);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.2);
}
.cta-form .btn {
  height: 46px;
  background: #fff;
  color: var(--primary-dark);
  font-weight: 700;
  box-shadow: none;
}
.cta-form .btn:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-2px);
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg);
}
.faq-layout {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-white);
  box-shadow: var(--shadow-card);
}
.faq-row {
  display: grid;
  grid-template-columns: 38% 62%;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.faq-row:last-child {
  border-bottom: none;
}
.faq-question-col {
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-title);
  transition: var(--transition);
  background: var(--bg-white);
}
.faq-question-col:hover {
  color: var(--primary);
  background: rgba(27, 107, 255, 0.02);
}
.faq-num {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--bg-alt);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-feature-settings: "tnum";
  transition: var(--transition);
}
.faq-row.active .faq-num,
.faq-question-col:hover .faq-num {
  background: var(--primary);
  color: #fff;
}
.faq-answer-col {
  padding: 22px 28px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  border-left: 1px solid var(--border);
  display: none;
  align-items: center;
}
.faq-row.active .faq-answer-col {
  display: flex;
  animation: fadeIn 0.35s ease;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: translateX(0); }
}
.faq-icon-arrow {
  margin-left: auto;
  font-size: 14px;
  color: var(--text-placeholder);
  transition: var(--transition);
}
.faq-row.active .faq-icon-arrow {
  color: var(--primary);
  transform: rotate(90deg);
}

/* ========== 页脚 ========== */
.footer {
  background: #141B2D;
  color: #CBD5E1;
  padding: 64px 0 0;
}
.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo-text {
  color: #fff;
  font-size: 18px;
}
.footer-brand p {
  font-size: 13px;
  color: #94A3B8;
  line-height: 1.8;
  margin-top: 14px;
  max-width: 300px;
}
.footer h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 13px;
  color: #CBD5E1;
  transition: var(--transition);
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
  color: #CBD5E1;
}
.footer-contact i {
  width: 20px;
  color: #64748B;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 24px;
  text-align: center;
  font-size: 12px;
  color: #94A3B8;
}
.footer-bottom a {
  color: #94A3B8;
}
.footer-bottom a:hover {
  color: #fff;
}

/* ========== 响应式 ========== */
@media (max-width: 1180px) {
  .hero h1 {
    font-size: 40px;
  }
  .zone-body {
    padding: 18px;
  }
  .footer-inner {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
  .footer-contact {
    grid-column: span 3;
  }
}

@media (max-width: 1024px) {
  .sidebar {
    display: none;
  }
  .main-content {
    margin-left: 0;
  }
  .mobile-header {
    display: flex;
  }
  .hero {
    min-height: 80vh;
    padding: 70px 24px 80px;
  }
  .hero h1 {
    font-size: 36px;
  }
  .hot-grid {
    grid-template-columns: 1fr;
  }
  .hot-list {
    padding: 8px 20px;
  }
  .faq-row {
    grid-template-columns: 1fr 1fr;
  }
  .section {
    padding: 48px 0;
  }
}

@media (max-width: 768px) {
  .section-head h2 {
    font-size: 24px;
  }
  .hero {
    min-height: 70vh;
    padding: 60px 20px 70px;
  }
  .hero h1 {
    font-size: 30px;
    letter-spacing: 0.5px;
  }
  .hero-sub {
    font-size: 15px;
    margin-bottom: 28px;
  }
  .hero-actions {
    margin-bottom: 36px;
  }
  .hero-actions .btn {
    width: 100%;
    max-width: 240px;
  }
  .stat-item {
    min-width: 130px;
    padding: 16px 12px;
  }
  .stat-item strong {
    font-size: 24px;
  }
  .hscroll-track {
    gap: 14px;
  }
  .hcard {
    flex: 0 0 240px;
  }
  .zones-grid {
    grid-template-columns: 1fr;
  }
  .zone-card-cover {
    aspect-ratio: 16 / 8;
  }
  .cta-banner {
    padding: 48px 24px;
  }
  .cta-banner h2 {
    font-size: 24px;
  }
  .cta-form {
    flex-direction: column;
    align-items: stretch;
  }
  .cta-form input {
    min-width: auto;
  }
  .faq-row {
    grid-template-columns: 1fr;
  }
  .faq-answer-col {
    display: none;
    border-left: none;
    border-top: 1px solid var(--border);
    padding: 0 24px 20px;
  }
  .faq-row.active .faq-answer-col {
    display: block;
  }
  .faq-question-col {
    padding: 18px 20px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-contact {
    grid-column: auto;
  }
}

@media (max-width: 520px) {
  .hero {
    min-height: 65vh;
  }
  .hero h1 {
    font-size: 26px;
    line-height: 1.4;
  }
  .hero-sub {
    font-size: 14px;
    line-height: 1.6;
  }
  .hero-stats {
    gap: 10px;
  }
  .stat-item {
    min-width: calc(50% - 10px);
  }
  .section {
    padding: 40px 0;
  }
  .section-head h2 {
    font-size: 21px;
    padding-left: 12px;
  }
  .section-head .section-more {
    font-size: 13px;
  }
  .hot-feature-body {
    padding: 16px 18px 20px;
  }
  .hot-list {
    padding: 4px 14px;
  }
  .hot-list-item {
    gap: 10px;
    padding: 12px 0;
  }
  .hot-list-thumb {
    width: 52px;
    height: 52px;
  }
  .news-item {
    padding: 16px 18px;
  }
  .news-item-title {
    font-size: 16px;
  }
  .cta-banner {
    padding: 36px 18px;
  }
  .cta-banner h2 {
    font-size: 20px;
  }
  .footer-inner {
    padding: 0 20px 32px;
  }
  .footer-brand .logo-text {
    font-size: 16px;
  }
}

/* roulang page: article */
:root{
  --c-primary:#1B6BFF;
  --c-primary-dark:#0D4FBF;
  --c-accent:#E8590C;
  --c-success:#18B57F;
  --c-bg:#F7F3EC;
  --c-bg-alt:#F2EBE0;
  --c-card:#FFFDF9;
  --c-text:#2E2A25;
  --c-text-secondary:#5C5751;
  --c-text-muted:#8C857C;
  --c-border:#E4DACC;
  --c-sidebar-bg:#1D1A16;
  --c-sidebar-text:#E8E0D4;
  --font-sans:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --shadow-sm:0 2px 8px rgba(46,42,37,.06);
  --shadow-md:0 8px 24px rgba(46,42,37,.10);
  --container:1240px;
  --sidebar-w:240px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background:var(--c-bg);color:var(--c-text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}

.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--c-sidebar-bg);color:var(--c-sidebar-text);
  display:flex;flex-direction:column;padding:28px 18px;z-index:100;border-right:1px solid rgba(255,255,255,.06);
}
.sidebar-logo{display:flex;align-items:center;gap:10px;margin-bottom:34px;padding:0 6px}
.sidebar-logo .logo-icon{
  width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--c-primary),#1E90FF);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;box-shadow:0 4px 14px rgba(27,107,255,.35);
}
.sidebar-logo .logo-text{font-size:17px;font-weight:700;letter-spacing:.5px;color:#fff;line-height:1.3}
.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.nav-item{
  display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius-sm);
  color:rgba(232,224,212,.78);font-size:14.5px;font-weight:500;transition:all .2s ease;position:relative;
}
.nav-item i{width:18px;text-align:center;font-size:15px;color:rgba(232,224,212,.55);transition:color .2s}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-item:hover i{color:var(--c-accent)}
.nav-item.active{
  background:rgba(27,107,255,.18);color:#fff;font-weight:600;
}
.nav-item.active::before{content:'';position:absolute;left:-18px;top:50%;transform:translateY(-50%);width:3px;height:24px;border-radius:0 3px 3px 0;background:var(--c-primary)}
.nav-item.active i{color:#5B9BFF}
.sidebar-status{
  margin-top:20px;padding:14px 14px;border-radius:var(--radius-md);background:rgba(255,255,255,.05);
  border:1px dashed rgba(255,255,255,.14);font-size:12.5px;color:rgba(232,224,212,.6);line-height:1.6;
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--c-success);display:inline-block;box-shadow:0 0 0 3px rgba(24,181,127,.2);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}

.mobile-header{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;background:#1D1A16;z-index:200;
  align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-header .sidebar-logo{margin-bottom:0;padding:0}
.mobile-header .logo-text{font-size:15px}
.menu-toggle{
  width:40px;height:40px;border-radius:8px;border:1px solid rgba(255,255,255,.14);background:transparent;
  color:#fff;font-size:17px;display:flex;align-items:center;justify-content:center;transition:background .2s;
}
.menu-toggle:hover{background:rgba(255,255,255,.1)}
.mobile-drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;background:#1D1A16;z-index:300;padding:24px 18px;
  transform:translateX(-100%);transition:transform .3s ease;box-shadow:0 0 60px rgba(0,0,0,.4);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{
  width:36px;height:36px;border-radius:8px;border:1px solid rgba(255,255,255,.12);background:transparent;
  color:#fff;font-size:15px;display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:rgba(255,255,255,.1)}
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:290;opacity:0;visibility:hidden;transition:all .3s}
.drawer-overlay.show{opacity:1;visibility:visible}

.main-content{margin-left:var(--sidebar-w);min-height:100vh;background:var(--c-bg)}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

.article-hero{
  position:relative;background-size:cover;background-position:center;padding:72px 0 60px;min-height:330px;
  display:flex;align-items:flex-end;
}
.article-hero::before{
  content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,21,15,.12) 0%,rgba(26,21,15,.82) 100%);
}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;flex-wrap:wrap;
}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{color:rgba(255,255,255,.4)}
.breadcrumb .current{color:#fff;font-weight:500}
.article-hero h1{
  color:#fff;font-size:34px;line-height:1.35;font-weight:800;max-width:820px;letter-spacing:.5px;text-shadow:0 2px 20px rgba(0,0,0,.3);
}
.article-hero h1.not-found-title{font-size:32px}
.article-meta{
  display:flex;align-items:center;gap:20px;margin-top:18px;flex-wrap:wrap;color:rgba(255,255,255,.78);font-size:13px;
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item i{font-size:13px;color:rgba(255,255,255,.55)}
.meta-cat{
  display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.22);font-size:12px;font-weight:500;color:#fff;letter-spacing:.5px;
}

.article-wrap{padding:56px 0 40px}
.article-layout{max-width:920px;margin:0 auto}
.article-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius-lg);
  padding:36px 40px;box-shadow:var(--shadow-sm);
}
.article-body{font-size:16.5px;line-height:1.9;color:var(--c-text)}
.article-body p{margin-bottom:24px}
.article-body h2{
  font-size:23px;margin:38px 0 16px;padding-left:16px;position:relative;font-weight:700;line-height:1.4;
}
.article-body h2::before{
  content:'';position:absolute;left:0;top:5px;width:4px;height:24px;background:var(--c-primary);border-radius:3px;
}
.article-body h3{font-size:19px;margin:30px 0 12px;font-weight:600}
.article-body h4{font-size:17px;margin:24px 0 10px;font-weight:600}
.article-body blockquote{
  border-left:4px solid var(--c-primary);background:rgba(27,107,255,.06);padding:16px 20px;margin:24px 0;
  border-radius:0 12px 12px 0;color:var(--c-text-secondary);font-style:italic;
}
.article-body img{border-radius:12px;margin:20px 0;box-shadow:var(--shadow-sm)}
.article-body ul,.article-body ol{margin:0 0 24px 24px}
.article-body li{margin-bottom:6px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:2px}
.article-body a:hover{color:var(--c-primary-dark)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:#fff}
.article-body th,.article-body td{border:1px solid var(--c-border);padding:10px 14px;text-align:left}
.article-body th{background:var(--c-bg-alt);font-weight:600}
.article-body code{background:var(--c-bg-alt);border:1px solid var(--c-border);padding:2px 8px;border-radius:6px;font-size:14px}
.article-body hr{border:0;border-top:1px dashed var(--c-border);margin:32px 0}

.article-tags{
  display:flex;align-items:center;gap:10px;margin-top:28px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--c-border);
}
.tags-label{font-size:13px;color:var(--c-text-muted);font-weight:500;display:inline-flex;align-items:center;gap:6px}
.tag-chip{
  padding:4px 14px;border-radius:20px;background:rgba(27,107,255,.08);color:var(--c-primary);font-size:13px;font-weight:500;transition:all .2s;
}
.tag-chip:hover{background:var(--c-primary);color:#fff}

.post-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:32px 0;
}
.post-nav-card{
  display:flex;flex-direction:column;gap:6px;padding:20px 24px;background:var(--c-card);border:1px solid var(--c-border);
  border-radius:var(--radius-md);transition:all .25s ease;
}
.post-nav-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:rgba(27,107,255,.35)}
.post-nav-label{font-size:12px;color:var(--c-text-muted);letter-spacing:1px;font-weight:500}
.post-nav-title{font-size:15px;font-weight:600;color:var(--c-text);line-height:1.4}
.post-nav-card.next{text-align:right;align-items:flex-end}

.related-section{margin-top:48px}
.related-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.related-head h2{font-size:24px;font-weight:700;position:relative;padding-left:14px}
.related-head h2::before{content:'';position:absolute;left:0;top:4px;width:4px;height:22px;background:var(--c-accent);border-radius:3px}
.related-more{font-size:13.5px;color:var(--c-text-muted);display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.related-more:hover{color:var(--c-primary)}
.related-card{
  display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius-md);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;height:100%;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.related-cover{height:150px;overflow:hidden;background:var(--c-bg-alt)}
.related-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-cover img{transform:scale(1.05)}
.related-info{padding:16px;}
.related-info h3{font-size:15px;font-weight:600;line-height:1.5;margin-bottom:8px;color:var(--c-text);transition:color .2s;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card:hover .related-info h3{color:var(--c-primary)}
.related-date{font-size:12px;color:var(--c-text-muted)}

.back-to-list{margin:36px 0 8px;text-align:center}
.back-to-list a{
  display:inline-flex;align-items:center;gap:8px;color:var(--c-text-muted);font-size:14px;transition:color .2s;
}
.back-to-list a:hover{color:var(--c-primary)}

.cta-section{
  margin:48px 24px 64px;padding:56px 32px;border-radius:var(--radius-lg);position:relative;overflow:hidden;text-align:center;color:#fff;
  background-image:linear-gradient(135deg,rgba(13,79,191,.94) 0%,rgba(27,107,255,.88) 50%,rgba(232,89,12,.58) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-section::after{
  content:'';position:absolute;inset:0;border:2px dashed rgba(255,255,255,.25);border-radius:var(--radius-lg);pointer-events:none;
}
.cta-section h2{font-size:26px;font-weight:700;margin-bottom:10px}
.cta-section p{font-size:15px;color:rgba(255,255,255,.85);max-width:560px;margin:0 auto 24px}
.cta-form{display:flex;gap:10px;max-width:440px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.cta-form input{
  flex:1;min-width:200px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.14);
  color:#fff;font-size:14px;padding:0 16px;outline:none;transition:all .25s;backdrop-filter:blur(4px);
}
.cta-form input::placeholder{color:rgba(255,255,255,.55)}
.cta-form input:focus{border-color:#fff;background:rgba(255,255,255,.22)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 28px;border-radius:10px;
  font-size:14.5px;font-weight:600;border:0;transition:all .25s ease;text-decoration:none;letter-spacing:.3px;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 4px 14px rgba(27,107,255,.25)}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(27,107,255,.35)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}

.not-found-wrap{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:64px 32px;text-align:center;
  box-shadow:var(--shadow-sm);
}
.not-found-icon{
  width:72px;height:72px;border-radius:50%;background:rgba(27,107,255,.08);color:var(--c-primary);font-size:28px;
  display:flex;align-items:center;justify-content:center;margin:0 auto 20px;
}
.not-found-wrap h2{font-size:24px;font-weight:700;margin-bottom:10px}
.not-found-wrap p{color:var(--c-text-muted);margin-bottom:24px}

.footer{background:#141B2D;color:#CBD5E1;padding:48px 0 0;margin-left:var(--sidebar-w)}
.footer-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .sidebar-logo{margin-bottom:14px}
.footer-brand p{font-size:13.5px;line-height:1.8;color:#A8B7C9;max-width:320px}
.footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#A8B7C9;font-size:13.5px;transition:color .2s}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact span{display:flex;align-items:center;gap:8px;color:#A8B7C9;font-size:13.5px}
.footer-contact i{color:#5B9BFF;width:14px;text-align:center}
.footer-bottom{max-width:var(--container);margin:0 auto;padding:18px 24px;text-align:center}
.footer-bottom p{font-size:12px;color:#94A3B8}
.footer-bottom a{color:#94A3B8;text-decoration:underline;transition:color .2s}
.footer-bottom a:hover{color:#fff}

@media(max-width:1023px){
  .sidebar{display:none}
  .mobile-header{display:flex}
  .main-content{margin-left:0}
  .footer{margin-left:0}
  .article-hero{padding:90px 0 50px}
  .article-hero h1{font-size:27px}
  .article-card{padding:24px 20px}
}
@media(max-width:767px){
  .container{padding:0 16px}
  .article-hero{padding:80px 0 40px;min-height:260px}
  .article-hero h1{font-size:23px}
  .article-meta{gap:12px}
  .post-nav{grid-template-columns:1fr}
  .cta-section{margin:36px 16px 48px;padding:38px 20px}
  .cta-section h2{font-size:21px}
  .footer-inner{grid-template-columns:1fr;gap:24px;padding-bottom:28px}
  .related-cover{height:120px}
}

/* roulang page: category1 */
:root {
      --primary: #1B6BFF;
      --primary-dark: #0D4FBF;
      --primary-light: #E8F0FE;
      --accent: #FF7A1A;
      --accent-light: #FFF3E8;
      --success: #18B57F;
      --bg-main: #F6F3EE;
      --bg-white: #FFFFFF;
      --text-dark: #101828;
      --text-body: #344054;
      --text-secondary: #667085;
      --text-muted: #98A2B3;
      --border: #E4E7EC;
      --border-vintage: #DDD6C9;
      --shadow: 0 2px 8px rgba(16, 24, 40, 0.06);
      --shadow-hover: 0 8px 24px rgba(16, 24, 40, 0.10);
      --radius-lg: 16px;
      --radius-md: 12px;
      --radius-sm: 8px;
      --sidebar-width: 240px;
      --font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-family);
      font-size: 16px;
      line-height: 1.6;
      color: var(--text-body);
      background: var(--bg-main);
      min-height: 100vh;
    }

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

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

    ul, ol {
      list-style: none;
      margin: 0;
      padding: 0;
    }

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

    .container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ========== Buttons ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 44px;
      padding: 0 28px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      border: 2px solid transparent;
      cursor: pointer;
      transition: all 0.25s ease;
      line-height: 1;
    }

    .btn-lg {
      height: 50px;
      padding: 0 36px;
      font-size: 16px;
      border-radius: 10px;
    }

    .btn-primary {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18), 0 4px 12px rgba(27, 107, 255, 0.25);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      border-color: var(--primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(27, 107, 255, 0.32);
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 3px 8px rgba(27, 107, 255, 0.3);
    }

    .btn-outline {
      background: transparent;
      border-color: #fff;
      border-width: 2px;
      color: #fff;
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
    }

    /* ========== Sidebar / App Shell ========== */
    .sidebar {
      position: fixed;
      top: 0;
      bottom: 0;
      left: 0;
      z-index: 100;
      width: var(--sidebar-width);
      background: var(--bg-white);
      border-right: 1px solid var(--border);
      padding: 24px 16px 18px;
      display: flex;
      flex-direction: column;
      transition: transform 0.3s ease;
    }

    .sidebar-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 8px 18px;
      margin-bottom: 14px;
      border-bottom: 1px dashed var(--border-vintage);
    }

    .logo-icon {
      width: 36px;
      height: 36px;
      flex: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), #4D8DFF);
      color: #fff;
      font-size: 15px;
      box-shadow: 0 4px 10px rgba(27, 107, 255, 0.25);
    }

    .logo-text {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-dark);
      line-height: 1.35;
    }

    .sidebar-nav {
      display: flex;
      flex-direction: column;
      gap: 6px;
      flex: 1;
    }

    .nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      height: 44px;
      padding: 0 14px;
      border-radius: 8px;
      color: var(--text-body);
      font-size: 15px;
      font-weight: 500;
      border-left: 3px solid transparent;
      transition: all 0.2s ease;
    }

    .nav-item i {
      width: 20px;
      text-align: center;
      font-size: 15px;
      color: var(--text-secondary);
      transition: color 0.2s;
    }

    .nav-item:hover {
      background: var(--primary-light);
      color: var(--primary);
    }

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

    .nav-item.active {
      background: var(--primary-light);
      color: var(--primary);
      border-left-color: var(--primary);
      font-weight: 600;
    }

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

    .sidebar-status {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-top: 12px;
      padding: 12px 12px;
      background: rgba(27, 107, 255, 0.06);
      border: 1px solid rgba(27, 107, 255, 0.12);
      border-radius: 10px;
      color: var(--text-secondary);
      font-size: 13px;
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--success);
      box-shadow: 0 0 0 3px rgba(24, 181, 127, 0.15);
    }

    /* ========== Mobile Header & Drawer ========== */
    .mobile-header {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 99;
      height: 60px;
      background: var(--bg-white);
      border-bottom: 1px solid var(--border);
      padding: 0 16px;
      align-items: center;
      justify-content: space-between;
    }

    .mobile-header .sidebar-logo {
      border: none;
      padding: 0;
      margin: 0;
    }

    .icon-btn {
      width: 38px;
      height: 38px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      background: var(--bg-main);
      color: var(--text-dark);
      font-size: 18px;
      cursor: pointer;
      transition: background 0.2s;
    }

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

    .drawer-overlay {
      position: fixed;
      inset: 0;
      z-index: 120;
      background: rgba(16, 24, 40, 0.5);
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }

    .drawer-overlay.show {
      opacity: 1;
      pointer-events: auto;
    }

    .drawer {
      position: fixed;
      top: 0;
      bottom: 0;
      left: 0;
      z-index: 130;
      width: min(78vw, 300px);
      background: var(--bg-white);
      transform: translateX(-100%);
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      padding: 20px 16px;
      box-shadow: 0 0 40px rgba(16, 24, 40, 0.2);
    }

    .drawer.open {
      transform: translateX(0);
    }

    .drawer-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
      padding-bottom: 14px;
      border-bottom: 1px dashed var(--border-vintage);
    }

    .drawer .sidebar-nav {
      flex: 1;
      margin-top: 8px;
    }

    /* ========== Main Content ========== */
    .main-content {
      margin-left: var(--sidebar-width);
      min-height: 100vh;
      background: var(--bg-main);
    }

    /* ========== Page Hero ========== */
    .page-hero {
      position: relative;
      display: flex;
      align-items: center;
      min-height: 480px;
      padding: 80px 0 56px;
      color: #fff;
      background:
        linear-gradient(120deg, rgba(7, 13, 25, 0.86), rgba(13, 20, 37, 0.52) 55%, rgba(27, 107, 255, 0.32)),
        url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
      overflow: hidden;
    }

    .page-hero::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 60px;
      background: linear-gradient(to bottom, transparent, var(--bg-main));
      pointer-events: none;
    }

    .hero-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.12em;
      color: rgba(255, 255, 255, 0.9);
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.22);
      border-radius: 8px;
      padding: 7px 14px;
      margin-bottom: 18px;
    }

    .page-hero h1 {
      font-size: 42px;
      font-weight: 700;
      color: #fff;
      line-height: 1.2;
      margin-bottom: 16px;
      letter-spacing: 0.02em;
    }

    .hero-lead {
      max-width: 620px;
      font-size: 17px;
      line-height: 1.75;
      color: rgba(255, 255, 255, 0.86);
      margin-bottom: 26px;
    }

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

    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 40px;
    }

    .hero-stat {
      display: flex;
      flex-direction: column;
      gap: 3px;
      min-width: 116px;
      padding: 12px 18px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: 12px;
      backdrop-filter: blur(6px);
    }

    .hero-stat strong {
      font-size: 22px;
      color: #fff;
      font-feature-settings: "tnum";
      line-height: 1.2;
    }

    .hero-stat span {
      font-size: 12px;
      color: rgba(255, 255, 255, 0.8);
    }

    /* ========== Section Heading ========== */
    .section-head {
      margin-bottom: 34px;
    }

    .section-kicker {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      letter-spacing: 0.12em;
      border-left: 3px solid var(--accent);
      padding-left: 10px;
      margin-bottom: 10px;
    }

    .section-head h2 {
      font-size: 30px;
      font-weight: 700;
      color: var(--text-dark);
      line-height: 1.25;
      margin-bottom: 10px;
    }

    .section-desc {
      font-size: 15px;
      color: var(--text-secondary);
      max-width: 640px;
    }

    /* ========== Features ========== */
    .features-section {
      padding: 84px 0 40px;
      background: var(--bg-main);
    }

    .feature-card {
      position: relative;
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 28px 22px 24px;
      height: 100%;
      box-shadow: var(--shadow);
      overflow: hidden;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    .feature-card::before {
      content: '';
      position: absolute;
      top: -28px;
      right: -28px;
      width: 88px;
      height: 88px;
      border-radius: 50%;
      background: var(--primary-light);
      opacity: 0.7;
    }

    .feature-card::after {
      content: '';
      position: absolute;
      top: -1px;
      left: 22px;
      width: 42px;
      height: 3px;
      background: var(--accent);
      border-radius: 0 0 4px 4px;
    }

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

    .feature-icon {
      width: 44px;
      height: 44px;
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), #4D8DFF);
      color: #fff;
      font-size: 18px;
      box-shadow: 0 6px 14px rgba(27, 107, 255, 0.24);
    }

    .feature-card h3 {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 8px;
    }

    .feature-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.65;
    }

    /* ========== Scenarios ========== */
    .scenarios-section {
      padding: 40px 0 80px;
      background: var(--bg-white);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .scenario-card {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      background: var(--bg-main);
      border: 1px solid var(--border-vintage);
      border-radius: 14px;
      padding: 20px 18px;
      height: 100%;
      transition: border-color 0.25s, box-shadow 0.25s;
    }

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

    .scenario-icon {
      width: 38px;
      height: 38px;
      flex: none;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: var(--accent-light);
      color: var(--accent);
      font-size: 15px;
    }

    .scenario-card h3 {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 5px;
    }

    .scenario-card p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* ========== Process ========== */
    .process-section {
      padding: 84px 0 80px;
      background: var(--bg-main);
    }

    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
    }

    .process-step {
      position: relative;
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 28px 20px 22px;
      text-align: center;
      box-shadow: var(--shadow);
      transition: box-shadow 0.25s, transform 0.25s;
    }

    .process-step:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }

    .step-num {
      width: 38px;
      height: 38px;
      margin: 0 auto 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 16px;
      font-weight: 700;
    }

    .process-step h3 {
      font-size: 16px;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 6px;
    }

    .process-step p {
      font-size: 13px;
      color: var(--text-secondary);
      line-height: 1.6;
    }

    /* ========== Content List ========== */
    .content-section {
      padding: 0 0 84px;
      background: var(--bg-main);
    }

    .filter-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 26px;
    }

    .filter-tab {
      display: inline-flex;
      align-items: center;
      height: 36px;
      padding: 0 18px;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: var(--bg-white);
      color: var(--text-body);
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .filter-tab:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    .filter-tab.active {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      box-shadow: 0 4px 10px rgba(27, 107, 255, 0.22);
    }

    .content-card {
      display: flex;
      gap: 18px;
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-left: 4px solid transparent;
      border-radius: 12px;
      padding: 14px;
      box-shadow: var(--shadow);
      margin-bottom: 14px;
      transition: all 0.25s ease;
    }

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

    .content-thumb {
      width: 150px;
      height: 100px;
      flex: none;
      border-radius: 9px;
      overflow: hidden;
      background: var(--primary-light);
      position: relative;
    }

    .content-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

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

    .content-info {
      flex: 1;
      min-width: 0;
      display: flex;
      flex-direction: column;
    }

    .content-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 7px;
      flex-wrap: wrap;
    }

    .tag {
      display: inline-block;
      padding: 3px 9px;
      border-radius: 6px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 12px;
      font-weight: 600;
      line-height: 1.4;
    }

    .tag.accent {
      background: var(--accent-light);
      color: var(--accent);
    }

    .content-date {
      font-size: 12px;
      color: var(--text-muted);
      font-feature-settings: "tnum";
    }

    .content-info h3 {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-dark);
      line-height: 1.45;
      margin-bottom: 7px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .content-info p {
      font-size: 14px;
      color: var(--text-secondary);
      line-height: 1.6;
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .content-foot {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: auto;
      gap: 10px;
    }

    .views {
      font-size: 12px;
      color: var(--text-muted);
      font-feature-settings: "tnum";
    }

    .read-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      white-space: nowrap;
    }

    .read-link:hover {
      text-decoration: underline;
    }

    /* ========== FAQ ========== */
    .faq-section {
      padding: 84px 0;
      background: var(--bg-white);
      border-top: 1px solid var(--border);
    }

    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: 12px;
      margin-bottom: 12px;
      overflow: hidden;
      transition: box-shadow 0.25s, border-color 0.25s;
    }

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

    .faq-q {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 18px 22px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-dark);
      line-height: 1.4;
    }

    .faq-num {
      color: var(--primary);
      font-weight: 700;
      font-size: 15px;
      flex: none;
    }

    .faq-question {
      flex: 1;
    }

    .faq-icon {
      flex: none;
      color: var(--text-muted);
      font-size: 16px;
      transition: transform 0.3s ease, color 0.2s;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      color: var(--primary);
    }

    .faq-a {
      max-height: 0;
      padding: 0 22px;
      overflow: hidden;
      color: var(--text-secondary);
      font-size: 14px;
      line-height: 1.75;
      transition: max-height 0.3s ease, padding 0.3s ease;
    }

    .faq-item.open .faq-a {
      max-height: 260px;
      padding-bottom: 18px;
    }

    /* ========== CTA ========== */
    .cta-section {
      position: relative;
      padding: 90px 0;
      background:
        linear-gradient(rgba(10, 16, 30, 0.78), rgba(13, 20, 37, 0.82)),
        url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
      text-align: center;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: -60px;
      left: 50%;
      transform: translateX(-50%);
      width: 480px;
      height: 480px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(27, 107, 255, 0.28), transparent 70%);
      pointer-events: none;
    }

    .cta-inner {
      max-width: 640px;
      margin: 0 auto;
      padding: 0 24px;
      position: relative;
    }

    .cta-inner h2 {
      font-size: 30px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .cta-inner p {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.85);
      line-height: 1.7;
      margin-bottom: 26px;
    }

    .cta-form {
      display: flex;
      justify-content: center;
      gap: 10px;
      flex-wrap: wrap;
    }

    .subscribe-input {
      width: 300px;
      height: 46px;
      padding: 0 16px;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.35);
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
      font-size: 14px;
      backdrop-filter: blur(4px);
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .subscribe-input::placeholder {
      color: rgba(255, 255, 255, 0.6);
    }

    .subscribe-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(27, 107, 255, 0.25);
    }

    .btn-subscribe {
      height: 46px;
      padding: 0 28px;
      border-radius: 8px;
      background: var(--accent);
      border: 1px solid var(--accent);
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all 0.25s ease;
      box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2), 0 4px 12px rgba(255, 122, 26, 0.3);
    }

    .btn-subscribe:hover {
      background: #ef6a00;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(255, 122, 26, 0.35);
    }

    .cta-tip {
      margin-top: 14px;
      font-size: 12px;
      color: rgba(255, 255, 255, 0.55);
    }

    /* ========== Footer ========== */
    .footer {
      background: #141B2D;
      color: #CBD5E1;
      padding: 68px 0 0;
    }

    .footer-inner {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px 44px;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.2fr;
      gap: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-brand p {
      margin-top: 14px;
      font-size: 14px;
      line-height: 1.7;
      color: rgba(203, 213, 225, 0.8);
      max-width: 360px;
    }

    .footer h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 9px;
    }

    .footer-links a {
      color: #CBD5E1;
      font-size: 14px;
      transition: color 0.2s;
    }

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

    .footer-contact {
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 13px;
      color: rgba(203, 213, 225, 0.8);
    }

    .footer-contact i {
      width: 18px;
      color: var(--primary);
    }

    .footer-bottom {
      max-width: 1240px;
      margin: 0 auto;
      padding: 18px 24px;
      text-align: center;
      font-size: 13px;
      color: #94A3B8;
    }

    .footer-bottom a {
      color: #CBD5E1;
      text-decoration: underline;
    }

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

    /* ========== Responsive ========== */
    @media (max-width: 1023.98px) {
      .sidebar {
        transform: translateX(-100%);
      }

      .mobile-header {
        display: flex;
      }

      .main-content {
        margin-left: 0;
        padding-top: 60px;
      }

      .page-hero {
        min-height: 420px;
        padding: 60px 0 48px;
      }

      .page-hero h1 {
        font-size: 34px;
      }

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

      .features-section,
      .process-section,
      .faq-section {
        padding: 68px 0 64px;
      }

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

    @media (max-width: 767.98px) {
      .container {
        padding: 0 18px;
      }

      .section-head h2 {
        font-size: 25px;
      }

      .page-hero {
        min-height: 380px;
        padding: 48px 0 40px;
      }

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

      .hero-lead {
        font-size: 15px;
      }

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
        max-width: 300px;
      }

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

      .hero-stats {
        gap: 10px;
        margin-top: 30px;
      }

      .hero-stat {
        min-width: calc(33.333% - 8px);
        padding: 10px 12px;
      }

      .content-card {
        flex-wrap: wrap;
      }

      .content-thumb {
        width: 100%;
        height: 170px;
      }

      .content-info p {
        -webkit-line-clamp: 3;
      }

      .cta-inner h2 {
        font-size: 25px;
      }

      .subscribe-input {
        width: 100%;
      }

      .btn-subscribe {
        width: 100%;
      }

      .footer-inner {
        grid-template-columns: 1fr;
        padding-bottom: 28px;
      }
    }

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

      .features-section,
      .process-section,
      .faq-section {
        padding: 54px 0 50px;
      }

      .scenarios-section {
        padding: 30px 0 60px;
      }

      .content-section {
        padding-bottom: 60px;
      }

      .section-head h2 {
        font-size: 23px;
      }

      .page-hero h1 {
        font-size: 25px;
      }

      .hero-stat {
        min-width: 100%;
      }

      .hero-stat strong {
        font-size: 19px;
      }

      .faq-q {
        padding: 15px 16px;
        font-size: 15px;
      }

      .faq-a {
        padding: 0 16px;
      }

      .faq-item.open .faq-a {
        padding-bottom: 14px;
      }

      .footer-inner {
        gap: 28px;
      }
    }

/* roulang page: category3 */
:root{
  --primary:#1B6BFF;
  --primary-dark:#0D4FBF;
  --primary-soft:rgba(27,107,255,.08);
  --accent:#FF7A1A;
  --accent-soft:rgba(255,122,26,.10);
  --success:#18B57F;
  --bg-body:#F8FAFC;
  --bg-alt:#F4F7FB;
  --card-bg:#FFFFFF;
  --text-heading:#101828;
  --text-body:#344054;
  --text-muted:#667085;
  --text-placeholder:#98A2B3;
  --border-color:#E4E7EC;
  --footer-bg:#141B2D;
  --footer-text:#CBD5E1;
  --footer-muted:#94A3B8;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --shadow-card:0 2px 8px rgba(16,24,40,.06);
  --shadow-hover:0 8px 24px rgba(16,24,40,.10);
  --shadow-primary:0 4px 12px rgba(27,107,255,.25);
  --spacer-vertical:80px;
  --transition-base:all .25s ease;
  --font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font-family);
  background:var(--bg-body);
  color:var(--text-body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:var(--transition-base);}
a:hover{color:var(--primary-dark);}
p{madding:0;margin-bottom:16px;}
h1,h2,h3,h4,h5,h6{color:var(--text-heading);font-weight:700;line-height:1.3;margin:0 0 16px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:var(--spacer-vertical) 0;}

/* App Shell 布局 */
.app-shell{min-height:100vh;}
.sidebar{
  position:fixed;top:0;left:0;width:240px;height:100vh;background:#fff;
  border-right:1px solid var(--border-color);z-index:50;display:flex;flex-direction:column;
  padding:24px 16px 20px;overflow-y:auto;
}
.sidebar-brand{display:flex;align-items:flex-start;gap:10px;flex-direction:column;padding:8px 8px 20px;border-bottom:1px solid var(--border-color);margin-bottom:16px;}
.sidebar-logo{display:flex;align-items:center;gap:10px;}
.logo-icon{width:36px;height:36px;flex:0 0 36px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:var(--shadow-primary);}
.logo-text{font-size:17px;font-weight:700;color:var(--text-heading);letter-spacing:.2px;line-height:1.3;}
.sidebar-tagline{font-size:12px;color:var(--text-muted);line-height:1.5;padding:0 2px;}
.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1;margin:0;padding:0;list-style:none;}
.nav-item{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border-radius:var(--radius-sm);
  color:var(--text-body);font-size:14.5px;font-weight:500;position:relative;transition:var(--transition-base);border:0;background:transparent;width:100%;text-align:left;cursor:pointer;
}
.nav-item i{width:18px;text-align:center;color:var(--text-muted);flex-shrink:0;}
.nav-item:hover{background:var(--bg-alt);color:var(--primary-dark);}
.nav-item.active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.nav-item.active i{color:var(--primary);}
.nav-item.active::before{content:'';position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;background:var(--primary);}
.sidebar-status{
  background:#F9FAFB;border:1px solid var(--border-color);border-radius:var(--radius-md);
  padding:12px;margin-top:16px;display:flex;gap:10px;align-items:flex-start;
}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);flex:0 0 8px;margin-top:5px;box-shadow:0 0 0 3px rgba(24,181,127,.15);}
.status-text{font-size:12px;color:var(--text-muted);line-height:1.5;}
.main-content{margin-left:240px;min-height:100vh;display:flex;flex-direction:column;}
.content-wrap{flex:1;}

/* 移动端顶部栏 */
.mobile-header{display:none;position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border-color);height:60px;align-items:center;padding:0 20px;}
.mobile-header .sidebar-logo{gap:8px;}
.mobile-header .logo-icon{width:32px;height:32px;flex-basis:32px;font-size:15px;border-radius:8px;}
.mobile-header .logo-text{font-size:15px;}
.burger-btn{background:none;border:0;font-size:22px;color:var(--text-heading);padding:8px;margin-right:4px;cursor:pointer;border-radius:8px;}
.burger-btn:hover{background:var(--bg-alt);}
.drawer-overlay{display:none;position:fixed;inset:0;background:rgba(16,24,40,.5);z-index:70;}
.drawer{position:fixed;top:0;left:0;bottom:0;width:280px;background:#fff;z-index:80;transform:translateX(-100%);transition:transform .3s ease;padding:20px 16px;display:flex;flex-direction:column;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-close{position:absolute;top:14px;right:14px;background:var(--bg-alt);border:0;width:32px;height:32px;border-radius:8px;font-size:16px;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;}
.drawer-close:hover{background:var(--border-color);color:var(--text-heading);}
.drawer .sidebar-logo{margin-bottom:20px;}

/* Hero / 页首 */
.category-hero{
  position:relative;background:linear-gradient(135deg,rgba(13,79,191,.92),rgba(27,107,255,.78)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;padding:72px 0 64px;
}
.category-hero .hero-content{max-width:720px;}
.category-hero .hero-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.14);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.3px;margin-bottom:18px;color:#fff;backdrop-filter:blur(4px);}
.category-hero h1{color:#fff;font-size:38px;line-height:1.25;font-weight:800;margin-bottom:16px;}
.category-hero .hero-desc{font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.9);margin-bottom:28px;max-width:640px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:16px;margin-top:28px;}
.stat-badge{background:rgba(255,255,255,.12);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-md);padding:12px 20px;display:flex;flex-direction:column;gap:2px;min-width:120px;}
.stat-badge .stat-num{font-size:22px;font-weight:700;color:#fff;font-feature-settings:"tnum";}
.stat-badge .stat-label{font-size:12px;color:rgba(255,255,255,.75);}

/* 板块标题 */
.sec-header{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.sec-title{font-size:28px;font-weight:800;color:var(--text-heading);position:relative;padding-left:14px;margin-bottom:6px;}
.sec-title::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--primary);}
.sec-sub{font-size:14px;color:var(--text-muted);margin:4px 0 0;}
.sec-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;padding:8px 4px;}
.sec-link:hover{color:var(--primary-dark);}

/* 指南卡片 */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.guide-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:28px 24px;transition:var(--transition-base);position:relative;overflow:hidden;}
.guide-card::after{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:var(--transition-base);}
.guide-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:rgba(27,107,255,.25);}
.guide-card:hover::after{opacity:1;}
.guide-icon{width:48px;height:48px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:20px;}
.guide-card h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.guide-card p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:0;}
.guide-meta{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap;}
.guide-meta span{font-size:12px;color:var(--text-placeholder);display:inline-flex;align-items:center;gap:4px;}

/* 内容列表 */
.topic-layout{display:grid;grid-template-columns:1fr 340px;gap:28px;align-items:start;}
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.filter-tab{display:inline-flex;align-items:center;padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--border-color);font-size:13.5px;color:var(--text-body);font-weight:500;cursor:pointer;transition:var(--transition-base);}
.filter-tab:hover{border-color:var(--primary);color:var(--primary);}
.filter-tab.all{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);font-weight:600;}
.content-list{display:flex;flex-direction:column;gap:14px;}
.content-item{display:flex;gap:16px;background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:14px;transition:var(--transition-base);align-items:flex-start;position:relative;overflow:hidden;}
.content-item::before{content:'';position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;background:var(--primary);opacity:0;transition:var(--transition-base);}
.content-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.content-item:hover::before{opacity:1;}
.content-item .thumb{width:200px;height:130px;flex:0 0 200px;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-alt);}
.content-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.content-item:hover .thumb img{transform:scale(1.05);}
.content-body{flex:1;display:flex;flex-direction:column;gap:6px;min-width:0;}
.content-tags{display:flex;gap:6px;align-items:center;flex-wrap:wrap;}
.tag{display:inline-block;padding:3px 8px;border-radius:6px;font-size:12px;font-weight:600;background:var(--primary-soft);color:var(--primary);}
.tag.new{background:var(--accent);color:#fff;}
.content-body h3{font-size:17px;font-weight:700;margin:0;line-height:1.4;}
.content-body h3 a{color:var(--text-heading);}
.content-body h3 a:hover{color:var(--primary);}
.content-desc{font-size:13.5px;color:var(--text-muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.content-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-placeholder);margin-top:auto;}
.content-meta .read-link{margin-left:auto;font-weight:600;color:var(--primary);}

/* 侧边卡片 */
.side-card{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:22px;margin-bottom:20px;}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--primary);}
.rank-list{list-style:none;margin:0;padding:0;counter-reset:rank;}
.rank-list li{counter-increment:rank;display:flex;gap:12px;padding:10px 0;align-items:center;border-bottom:1px solid #F2F4F7;position:relative;}
.rank-list li:last-child{border-bottom:0;}
.rank-list li::before{content:counter(rank);width:24px;height:24px;flex:0 0 24px;border-radius:6px;background:var(--bg-alt);color:var(--text-muted);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.rank-list li:nth-child(-n+3)::before{background:var(--accent-soft);color:var(--accent);}
.rank-list li a{color:var(--text-body);font-size:13.5px;line-height:1.5;font-weight:500;}
.rank-list li a:hover{color:var(--primary);}
.match-tip{display:flex;gap:10px;background:var(--bg-alt);border-radius:var(--radius-sm);padding:10px 12px;margin-bottom:8px;align-items:flex-start;}
.match-tip i{color:var(--primary);font-size:14px;margin-top:2px;}
.match-tip span{font-size:12px;color:var(--text-muted);line-height:1.5;}

/* 场景 */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.scene-item{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:22px 18px;text-align:center;transition:var(--transition-base);}
.scene-item:hover{box-shadow:var(--shadow-hover);border-color:rgba(27,107,255,.2);transform:translateY(-3px);}
.scene-icon{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,rgba(27,107,255,.12),rgba(255,122,26,.08));color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px;margin:0 auto 12px;}
.scene-item h3{font-size:15px;font-weight:700;margin-bottom:6px;}
.scene-item p{font-size:12.5px;color:var(--text-muted);line-height:1.6;margin-bottom:0;}

/* 流程 */
.process-wrap{background:var(--bg-alt);border-radius:var(--radius-lg);padding:48px 40px;}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.process-step{text-align:center;position:relative;}
.process-num{width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;position:relative;z-index:1;box-shadow:var(--shadow-primary);}
.process-grid .process-step:not(:last-child)::after{content:'';position:absolute;top:20px;left:calc(50% + 28px);width:calc(100% - 56px);height:2px;border-top:2px dashed rgba(27,107,255,.3);}
.process-step h3{font-size:15px;font-weight:700;margin-bottom:6px;}
.process-step p{font-size:12.5px;color:var(--text-muted);margin-bottom:0;line-height:1.5;}

/* FAQ */
.faq-list{max-width:100%;}
.faq-item{background:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:10px;transition:var(--transition-base);overflow:hidden;}
.faq-item:hover{border-color:rgba(27,107,255,.3);}
.faq-item.active{box-shadow:var(--shadow-card);}
.faq-question{display:flex;align-items:center;gap:14px;padding:18px 20px;cursor:pointer;user-select:none;}
.faq-num{width:26px;height:26px;flex:0 0 26px;border-radius:6px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.faq-question h3{font-size:15px;font-weight:600;color:var(--text-body);margin:0;flex:1;}
.faq-toggle{width:24px;height:24px;display:flex;align-items:center;justify-content:center;color:var(--text-placeholder);transition:var(--transition-base);}
.faq-item.active .faq-toggle{transform:rotate(45deg);color:var(--primary);}
.faq-answer{display:none;padding:0 20px 20px 60px;font-size:14px;color:var(--text-muted);line-height:1.7;}

/* CTA */
.cta-banner{
  background:linear-gradient(120deg,rgba(13,79,191,.94),rgba(27,107,255,.82)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:60px 0;text-align:center;border-radius:var(--radius-lg);position:relative;overflow:hidden;
}
.cta-banner h2{color:#fff;font-size:28px;font-weight:800;margin-bottom:12px;}
.cta-banner p{color:rgba(255,255,255,.85);font-size:15px;max-width:520px;margin:0 auto 24px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 28px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;transition:var(--transition-base);cursor:pointer;border:0;line-height:1;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-primary);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(13,79,191,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-light{background:#fff;color:var(--primary-dark);box-shadow:0 4px 12px rgba(16,24,40,.15);}
.btn-light:hover{background:#F4F7FB;transform:translateY(-2px);}
.btn-outline-white{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);}
.btn-outline-white:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff;}

/* Footer */
.footer{background:var(--footer-bg);color:var(--footer-text);padding:44px 0 0;margin-top:0;}
.footer-inner{max-width:1240px;margin:0 auto;padding:0 24px 32px;display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand p{font-size:14px;color:#94A3B8;line-height:1.7;margin-top:12px;}
.footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:8px;}
.footer-links a{color:#CBD5E1;font-size:14px;transition:var(--transition-base);}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:#94A3B8;}
.footer-contact span{display:flex;align-items:center;gap:8px;}
.footer-contact i{color:var(--primary);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 24px;text-align:center;}
.footer-bottom p{font-size:12px;color:var(--footer-muted);margin:0;}
.footer-bottom a{color:#CBD5E1;}
.footer-bottom a:hover{color:#fff;}
.footer .sidebar-logo{background:transparent;border:none;padding:0;margin-bottom:0;}

/* 响应式 */
@media screen and (min-width:1024px){
  .mobile-header{display:none;overflow:visible;}
}
@media screen and (max-width:1023.98px){
  .sidebar{display:none;}
  .mobile-header{display:flex;overflow:visible;}
  .main-content{margin-left:0;padding-top:0;}
  .guide-grid{grid-template-columns:repeat(2,1fr);}
  .topic-layout{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .process-grid .process-step:not(:last-child)::after{display:none;}
  .footer-inner{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width:767.98px){
  :root{--spacer-vertical:48px;}
  .container{padding:0 18px;}
  .category-hero{padding:48px 0 40px;}
  .category-hero h1{font-size:27px;}
  .category-hero .hero-desc{font-size:14.5px;}
  .stat-badge{min-width:calc(50% - 8px);padding:10px 14px;}
  .stat-badge .stat-num{font-size:18px;}
  .guide-grid{grid-template-columns:1fr;}
  .sec-title{font-size:24px;}
  .content-item{flex-direction:column;gap:12px;}
  .content-item .thumb{width:100%;height:auto;flex-basis:auto;}
  .content-item .thumb img{width:100%;height:160px;object-fit:cover;}
  .content-meta{flex-wrap:wrap;}
  .content-meta .read-link{margin-left:0;}
  .scene-grid{grid-template-columns:1fr;}
  .process-wrap{padding:36px 24px;}
  .process-grid{grid-template-columns:1fr;gap:28px;}
  .footer-inner{grid-template-columns:1fr;}
  .cta-banner{padding:44px 20px;}
  .cta-banner h2{font-size:22px;}
  .faq-answer{padding:0 16px 20px 16px;}
  .faq-question{padding:16px;}
  .faq-num{display:none;}
  .hero-stats{gap:12px;}
}
@media screen and (max-width:520px){
  .mobile-header{padding:0 14px;}
  .container{padding:0 14px;}
  .sec-header{flex-direction:column;align-items:flex-start;gap:8px;}
  .content-meta span{font-size:11px;}
  .filter-tab{padding:6px 12px;font-size:12px;}
  .category-hero .hero-desc{line-height:1.7;}
}

/* roulang page: category2 */
:root {
  --primary: #1B6BFF;
  --primary-deep: #0D4FBF;
  --primary-soft: rgba(27, 107, 255, 0.08);
  --accent: #D97706;
  --accent-soft: rgba(217, 119, 6, 0.10);
  --success: #18B57F;
  --bg: #F6F3EC;
  --bg-blocks: #EFEAE0;
  --card: #FFFFFF;
  --heading: #1F2937;
  --body: #3F4A5A;
  --muted: #7A8595;
  --line: #E4DCCF;
  --line-strong: #C9BFB0;
  --dark: #1A2536;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 24, 40, 0.10);
  --sidebar-w: 240px;
  --transition: all .25s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg);
  background-image: radial-gradient(#E5DECF 1px, transparent 1px);
  background-size: 26px 26px;
  color: var(--body);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 76px 0;
}
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: 32px;
  color: var(--heading);
  margin-bottom: 12px;
  font-weight: 800;
  line-height: 1.3;
}
.section-head p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* 侧边栏 */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: rgba(255,255,255,0.94);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 28px 20px;
  z-index: 100;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 4px 22px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}
.logo-icon {
  width: 38px;
  height: 38px;
  min-width: 38px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  border: 2px solid var(--primary-deep);
  box-shadow: 2px 2px 0 var(--primary-deep);
}
.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: .5px;
  line-height: 1.3;
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 46px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--body);
  border-left: 3px solid transparent;
  transition: var(--transition);
}
.nav-item i {
  width: 20px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}
.nav-item:hover {
  background: var(--bg);
  color: var(--primary);
}
.nav-item.active {
  background: var(--primary-soft);
  color: var(--primary);
  border-left-color: var(--primary);
  font-weight: 600;
}
.nav-item.active i { color: var(--primary); }
.sidebar-status {
  margin-top: 20px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: var(--bg);
  border: 1px dashed var(--line-strong);
  font-size: 13px;
  color: var(--muted);
}
.status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--heading);
  font-size: 13px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
  box-shadow: 0 0 0 3px rgba(24,181,127,0.15);
}
.status-sub {
  margin-top: 6px;
  font-size: 12px;
}

/* 移动端头部 */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 90;
  height: 60px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
}
.mobile-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--heading);
}
.hamburger {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  font-size: 18px;
  color: var(--heading);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.hamburger:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(16,24,40,0.5);
  z-index: 95;
  display: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.drawer-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 26px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  border-color: var(--primary-deep);
  color: #fff;
  box-shadow: 4px 4px 0 var(--primary-deep);
}
.btn-primary:hover {
  background: var(--primary-deep);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(13,79,191,0.55);
}
.btn-primary:active {
  transform: translate(0, 0);
  box-shadow: 2px 2px 0 var(--primary-deep);
}
.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.75);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}
.btn-light {
  background: #fff;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-light:hover {
  background: var(--primary-soft);
}

/* Hero */
.category-hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  background: linear-gradient(100deg, rgba(13,23,39,0.92) 0%, rgba(13,23,39,0.72) 45%, rgba(13,23,39,0.45) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  padding: 90px 0;
}
.category-hero .hero-inner {
  max-width: 720px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid rgba(255,255,255,0.55);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  border-radius: 4px;
  background: rgba(255,255,255,0.08);
  margin-bottom: 22px;
}
.category-hero h1 {
  font-size: 42px;
  line-height: 1.25;
  font-weight: 800;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.category-hero .hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  max-width: 580px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.stat-item {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 12px;
  padding: 10px 18px;
  min-width: 120px;
  backdrop-filter: blur(6px);
}
.stat-item strong {
  display: block;
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  font-feature-settings: "tnum";
}
.stat-item span {
  font-size: 12px;
  color: rgba(255,255,255,0.75);
}

/* 核心卖点 */
.features {
  background: var(--bg);
}
.feature-card {
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  height: 100%;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}
.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
  border: 1px solid rgba(27,107,255,0.2);
}
.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}

/* 场馆类型 */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
}
.filter-tab {
  padding: 8px 18px;
  border: 1.5px solid var(--line-strong);
  border-radius: 40px;
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  background: #fff;
  transition: var(--transition);
}
.filter-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.filter-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.venue-card {
  display: block;
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.venue-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}
.venue-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
}
.venue-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.venue-card:hover .venue-cover img {
  transform: scale(1.05);
}
.venue-info {
  padding: 18px 18px 20px;
}
.venue-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  background: var(--primary-soft);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 5px;
  margin-bottom: 10px;
}
.venue-info h3 {
  font-size: 18px;
  color: var(--heading);
  margin-bottom: 6px;
}
.venue-info p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* 预约流程 */
.steps {
  background: var(--dark);
  color: #fff;
}
.steps .section-head h2 { color: #fff; }
.steps .section-head p { color: rgba(255,255,255,0.6); }
.steps .section-head .eyebrow { color: #7BA9FF; }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step-item {
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  background: rgba(255,255,255,0.05);
  transition: var(--transition);
}
.step-item:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,255,255,0.28);
}
.step-num {
  font-size: 34px;
  font-weight: 800;
  color: #7BA9FF;
  font-feature-settings: "tnum";
  display: block;
  margin-bottom: 14px;
}
.step-item h3 {
  font-size: 17px;
  margin-bottom: 8px;
  color: #fff;
}
.step-item p {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}

/* 适用场景 */
.scenario-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
  transition: var(--transition);
}
.scenario-row:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}
.scenario-media {
  min-height: 260px;
  overflow: hidden;
}
.scenario-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.scenario-body {
  padding: 40px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.scenario-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 14px;
}
.scenario-body h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 12px;
}
.scenario-body p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 16px;
}
.scenario-meta {
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
}
.scenario-row:nth-child(even) .scenario-media { order: 2; }

/* FAQ */
.faq {
  background: var(--bg);
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.active {
  border-color: var(--primary);
}
.faq-question {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
}
.faq-num {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  min-width: 28px;
}
.faq-question h3 {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--heading);
}
.faq-question .fa-plus {
  color: var(--muted);
  font-size: 15px;
  transition: transform .3s ease;
}
.faq-item.active .fa-plus {
  transform: rotate(45deg);
  color: var(--primary);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s ease;
  padding: 0 24px;
}
.faq-item.active .faq-answer {
  max-height: 240px;
  padding: 0 24px 20px 66px;
}
.faq-answer p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

/* CTA */
.cta-banner {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(115deg, rgba(20,27,45,0.92), rgba(27,107,255,0.75)), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  text-align: center;
  color: #fff;
}
.cta-banner h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-banner p {
  color: rgba(255,255,255,0.85);
  font-size: 16px;
  margin-bottom: 28px;
}

/* 页脚 */
.footer {
  background: var(--dark);
  color: #CBD5E1;
  padding: 56px 0 24px;
}
.footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 16px;
}
.footer p {
  font-size: 14px;
  color: #94A3B8;
  line-height: 1.8;
  margin-top: 14px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: #CBD5E1;
  font-size: 14px;
  transition: color .2s;
}
.footer-links a:hover { color: #fff; }
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}
.footer-contact i {
  margin-right: 8px;
  color: #7BA9FF;
  width: 18px;
}
.footer-bottom {
  max-width: 1240px;
  margin: 0 auto;
  padding: 20px 24px 0;
  text-align: center;
  font-size: 12px;
  color: #94A3B8;
}
.footer-bottom a { color: #94A3B8; }
.footer-bottom a:hover { color: #fff; }
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-icon { background: var(--primary); }

/* 网格卡片等高 */
.grid-x .cell {
  display: flex;
}
.grid-x .cell > .feature-card,
.grid-x .cell > .venue-card {
  width: 100%;
}

/* 响应式 */
@media (max-width: 1199.98px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-body { padding: 30px; }
}
@media (max-width: 1023.98px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform .3s ease;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  }
  .sidebar.open { transform: translateX(0); }
  .mobile-header { display: flex; }
  .main-wrapper { margin-left: 0; }
  .drawer-overlay { display: block; opacity: 0; pointer-events: none; transition: opacity .3s ease; }
  .drawer-overlay.show { opacity: 1; pointer-events: auto; }
  .category-hero { min-height: 480px; padding: 70px 0; }
  .category-hero h1 { font-size: 34px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .scenario-row { grid-template-columns: 1fr; }
  .scenario-media { min-height: 210px; }
  .scenario-row:nth-child(even) .scenario-media { order: 0; }
}
@media (max-width: 767.98px) {
  .section { padding: 50px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 26px; }
  .category-hero { padding: 56px 0; }
  .category-hero h1 { font-size: 28px; }
  .category-hero .hero-desc { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .steps-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .stat-item { min-width: 100px; padding: 8px 14px; }
  .stat-item strong { font-size: 20px; }
  .scenario-body { padding: 24px; }
  .scenario-body h3 { font-size: 20px; }
  .faq-question h3 { font-size: 15px; }
  .faq-item.active .faq-answer { padding-left: 24px; }
}