/* roulang page: index */
:root {
  --primary: #2B6BE0;
  --primary-dark: #1D4FBB;
  --accent: #F5A623;
  --success: #17B897;
  --danger: #D64560;
  --bg: #F5F8FC;
  --white: #FFFFFF;
  --dark: #0B1D30;
  --heading: #12263A;
  --card-title: #243B53;
  --body-text: #334E68;
  --muted: #829AB1;
  --border: #E6EBF2;
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-sm: 4px;
  --shadow-sm: 0 2px 8px rgba(18,38,58,0.06);
  --shadow-lg: 0 10px 28px rgba(18,38,58,0.14);
  --shadow-btn: 0 2px 0 rgba(0,0,0,0.15);
  --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--body-text);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--primary-dark);
}

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

button, input, select {
  font-family: inherit;
  font-size: inherit;
}

.container {
  max-width: 1140px;
  padding-left: 24px;
  padding-right: 24px;
}

/* ---------- 导航 ---------- */
.site-header {
  background: var(--white);
  position: relative;
  z-index: 1030;
}

.header-main {
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  min-height: 72px;
}

.header-row {
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-weight: 800;
  font-size: 18px;
  color: var(--heading);
  letter-spacing: 0.5px;
}

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

.brand-badge {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #3B7BEA 0%, #1D4FBB 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.brand-badge::before {
  content: "";
  position: absolute;
  width: 18px;
  height: 4px;
  background: #fff;
  border-radius: 2px;
  transform: rotate(-35deg);
  top: 18px;
  left: 8px;
  box-shadow: 7px -6px 0 0 rgba(255,255,255,0.7);
}

.header-search {
  flex: 1;
  max-width: 40%;
  position: relative;
}

.header-search svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: #5C7A99;
  pointer-events: none;
}

.header-search input {
  width: 100%;
  height: 44px;
  border: 1px solid #D0D9E4;
  border-radius: 22px;
  padding: 0 46px 0 44px;
  font-size: 14px;
  background: var(--bg);
  color: var(--body-text);
  transition: all var(--transition);
  outline: none;
}

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

.header-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(43,107,224,0.15);
  background: var(--white);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  flex-shrink: 0;
}

.header-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--body-text);
  border-radius: var(--radius-md);
  position: relative;
  transition: all var(--transition);
}

.header-nav .nav-link::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.header-nav .nav-link:hover {
  color: var(--primary);
  background: rgba(43,107,224,0.04);
}

.header-nav .nav-link:hover::after {
  transform: scaleX(1);
}

.header-nav .nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

.header-nav .nav-link.active::after {
  transform: scaleX(1);
}

.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: var(--radius-md);
  color: var(--heading);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition);
}

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

/* 附加导航层 */
.tab-nav {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1020;
  padding: 10px 0;
}

.tab-nav .container {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow-x: auto;
  scrollbar-width: none;
}

.tab-nav .container::-webkit-scrollbar {
  display: none;
}

.tab-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--body-text);
  background: var(--white);
  border: 1.5px solid var(--primary);
  white-space: nowrap;
  transition: all var(--transition);
}

.tab-item:hover {
  background: rgba(43,107,224,0.08);
  color: var(--primary);
  transform: translateY(-1px);
}

.tab-item.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

/* ---------- Hero ---------- */
.hero {
  background: var(--bg);
  padding: 64px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  border: 3px solid rgba(43,107,224,0.2);
  border-radius: 50%;
  top: -60px;
  left: -60px;
  transform: rotate(24deg);
  pointer-events: none;
}

.hero-row {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content {
  flex: 1 1 50%;
}

.hero-content .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(43,107,224,0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero-content h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--heading);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--body-text);
  margin-bottom: 32px;
  max-width: 520px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 120px;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background: #3B7BEA;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(43,107,224,0.25);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-outline {
  background: var(--white);
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(43,107,224,0.2);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  padding: 0 8px;
  min-width: auto;
  height: auto;
  font-weight: 500;
}

.btn-ghost:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.hero-visual {
  flex: 1 1 50%;
  position: relative;
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 48px) 0, 100% 48px, 100% 100%, 0 100%);
  box-shadow: 0 20px 40px rgba(18,38,58,0.12);
}

.hero-image-wrap img {
  width: 100%;
  height: auto;
  min-height: 340px;
  object-fit: cover;
}

.hero-image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,29,48,0.35) 0%, rgba(43,107,224,0.15) 50%, transparent 100%);
  pointer-events: none;
}

.hero-stats {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 16px 24px;
  display: flex;
  justify-content: space-around;
  box-shadow: var(--shadow-sm);
}

.hero-stat {
  text-align: center;
}

.hero-stat .num {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}

.hero-stat .label {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

/* ---------- 功能分组 ---------- */
.features {
  padding: 96px 0;
  background: var(--white);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-head .left {
  max-width: 600px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 8px;
  line-height: 1.3;
}

.section-head .sub {
  font-size: 15px;
  color: var(--muted);
}

.section-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
}

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

.feature-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.feature-row {
  display: flex;
  gap: 32px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

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

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: #EAF1FE;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 22px;
  flex-shrink: 0;
}

.feature-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--card-title);
  margin-bottom: 6px;
}

.feature-card-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 使用场景 ---------- */
.scenarios {
  padding: 96px 0;
  background: var(--bg);
}

.scenarios-wrap {
  display: flex;
  gap: 48px;
  align-items: stretch;
}

.scenario-list {
  flex: 0 0 320px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.scene-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.scene-item .dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
  opacity: 0.4;
  transition: all var(--transition);
}

.scene-item h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--card-title);
  margin-bottom: 2px;
}

.scene-item p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 0;
  line-height: 1.5;
}

.scene-item:hover {
  border-color: rgba(43,107,224,0.2);
  transform: translateX(4px);
}

.scene-item.active {
  background: #EAF1FE;
  border-color: rgba(43,107,224,0.3);
}

.scene-item.active .dot {
  opacity: 1;
}

.scene-item.active h4 {
  color: var(--primary);
  font-weight: 700;
}

.scene-visual {
  flex: 1;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 420px;
  box-shadow: var(--shadow-lg);
}

.scene-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.scene-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(11,29,48,0.2) 0%, transparent 50%);
}

.scene-float-card {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
}

.scene-float-card .info h5 {
  font-size: 18px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 2px;
}

.scene-float-card .info span {
  font-size: 13px;
  color: var(--muted);
}

.scene-float-card .link-btn {
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  margin-left: 16px;
}

.scene-float-card .link-btn:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* ---------- 成功案例 ---------- */
.cases {
  padding: 96px 0;
  background: #EDF2FA;
}

.case-stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 64px;
}

.case-stat {
  text-align: center;
}

.case-stat .num {
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
}

.case-stat .label {
  font-size: 14px;
  color: var(--muted);
  margin-top: 4px;
  background: var(--white);
  display: inline-block;
  padding: 2px 12px;
  border-radius: 20px;
}

.case-cards {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  justify-content: center;
}

.case-card {
  flex: 1;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
  max-width: 340px;
}

.case-card:nth-child(2) {
  transform: translateY(20px);
}

.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.case-card:nth-child(2):hover {
  transform: translateY(14px);
}

.case-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.case-card-body {
  padding: 20px 24px;
}

.case-card-body .case-tag {
  display: inline-block;
  background: #EAF1FE;
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

.case-card-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--card-title);
  margin-bottom: 6px;
}

.case-card-body p {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.case-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--success);
  font-weight: 600;
}

.case-card-foot .detail-link {
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.case-card-foot .detail-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* ---------- 价格方案 ---------- */
.pricing {
  padding: 96px 0;
  background: var(--bg);
}

.pricing-cards {
  display: flex;
  justify-content: center;
  align-items: stretch;
  gap: 24px;
  flex-wrap: wrap;
}

.pricing-card {
  flex: 1;
  max-width: 340px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

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

.pricing-card.featured {
  border: 1.5px solid var(--accent);
  transform: scale(1.05);
  box-shadow: 0 12px 32px rgba(15,23,42,0.1);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 20px;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(245,166,35,0.3);
}

.pricing-card .plan-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--heading);
  margin-bottom: 4px;
}

.pricing-card .plan-desc {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}

.pricing-card .price {
  font-size: 32px;
  font-weight: 800;
  color: var(--heading);
  margin-bottom: 20px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.pricing-card .price .period {
  font-size: 14px;
  font-weight: 400;
  color: var(--muted);
}

.pricing-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  flex-grow: 1;
}

.pricing-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  font-size: 14px;
  color: var(--body-text);
}

.pricing-list li i {
  width: 18px;
  text-align: center;
  font-size: 13px;
}

.pricing-list li .fa-check {
  color: var(--success);
}

.pricing-list li .fa-times {
  color: var(--danger);
}

.pricing-card .btn {
  width: 100%;
}

.pricing-note {
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  margin-top: 24px;
}

/* ---------- 资讯动态 ---------- */
.news-section {
  padding: 96px 0;
  background: var(--white);
  border-bottom: 1px dashed var(--border);
}

.news-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.news-thumb {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16/9;
  background: #E8EDF3;
}

.news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.news-card:hover .news-thumb img {
  transform: scale(1.04);
}

.news-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--primary);
  color: var(--white);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 12px;
  border-radius: var(--radius-sm);
  z-index: 2;
}

.news-body {
  padding: 20px 24px 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--card-title);
  line-height: 1.45;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 50px;
}

.news-body h3 a {
  color: inherit;
}

.news-body h3 a:hover {
  color: var(--primary);
}

.news-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex-grow: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.news-meta i {
  margin-right: 4px;
}

.news-meta .read-more {
  margin-left: auto;
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
}

.news-meta .read-more:hover {
  color: var(--primary-dark);
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 24px;
}

.empty-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: #F0F4F9;
  color: #A0B3C8;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.empty-state p {
  font-size: 16px;
  font-weight: 600;
  color: var(--body-text);
}

.empty-state .sub {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

/* ---------- CTA横幅 ---------- */
.cta-banner {
  padding: 0;
  position: relative;
  background: linear-gradient(120deg, #2B6BE0 0%, #1D4FBB 100%);
  overflow: hidden;
}

.cta-banner .container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding-top: 64px;
  padding-bottom: 64px;
}

.cta-banner h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.3;
}

.cta-banner p {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  margin-bottom: 0;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}

.btn-white {
  background: var(--white);
  color: var(--primary);
  border: none;
}

.btn-white:hover {
  background: #EAF1FE;
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.8);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  color: var(--white);
  transform: translateY(-2px);
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--dark);
  color: #94A6BC;
  padding: 64px 0 0;
}

.footer-grid {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  padding-bottom: 48px;
}

.footer-brand {
  flex: 1 1 260px;
}

.footer-brand .brand-logo {
  color: var(--white);
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  color: #7C8FA6;
  margin-bottom: 0;
}

.footer-col {
  flex: 1 1 160px;
}

.footer-col h5 {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: #7C8FA6;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--white);
}

.footer-contact {
  font-size: 14px;
  color: #7C8FA6;
  line-height: 2;
}

.footer-contact i {
  width: 20px;
  color: var(--primary);
  margin-right: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #5C7190;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1199.98px) {
  .header-search {
    max-width: 35%;
  }
  .hero-content h1 {
    font-size: 36px;
  }
}

@media (max-width: 991.98px) {
  .header-row {
    flex-wrap: wrap;
    gap: 12px;
  }
  .header-search {
    order: 3;
    flex-basis: 100%;
    max-width: 100%;
  }
  .header-nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .hero-row {
    flex-direction: column;
    gap: 40px;
  }
  .hero-content {
    text-align: center;
  }
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-image-wrap img {
    min-height: 300px;
  }
  .feature-row {
    flex-direction: column;
  }
  .feature-card {
    width: 100%;
  }
  .scenarios-wrap {
    flex-direction: column;
  }
  .scenario-list {
    flex-direction: row;
    flex-wrap: wrap;
    flex: 1;
  }
  .scene-item {
    flex: 1 1 45%;
  }
  .scene-visual {
    min-height: 340px;
  }
  .case-cards {
    flex-wrap: wrap;
  }
  .case-card {
    flex: 1 1 100%;
    max-width: 360px;
  }
  .case-card:nth-child(2) {
    transform: translateY(0);
  }
  .pricing-cards {
    gap: 40px;
  }
  .pricing-card {
    max-width: 360px;
  }
  .pricing-card.featured {
    transform: scale(1.02);
  }
  .pricing-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
  }
  .cta-banner .container {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }
  .cta-buttons {
    justify-content: center;
  }
}

@media (max-width: 767.98px) {
  .hero {
    padding: 48px 0 56px;
  }
  .features, .scenarios, .cases, .pricing, .news-section {
    padding: 56px 0;
  }
  .hero-content h1 {
    font-size: 32px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .case-stats {
    gap: 24px;
  }
  .case-stat .num {
    font-size: 30px;
  }
  .scenario-list {
    flex-direction: column;
  }
  .scene-item {
    flex: 1;
  }
  .scene-visual {
    min-height: 280px;
  }
  .footer-grid {
    gap: 32px;
  }
  .footer-bottom {
    justify-content: center;
    text-align: center;
  }
}

@media (max-width: 575.98px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .hero-content h1 {
    font-size: 28px;
  }
  .hero-content p {
    font-size: 15px;
  }
  .hero-buttons .btn {
    min-width: 44px;
    padding: 0 20px;
  }
  .hero-stats {
    padding: 12px 16px;
  }
  .hero-stat .num {
    font-size: 20px;
  }
  .hero-stat .label {
    font-size: 12px;
  }
  .feature-card {
    flex-direction: column;
    padding: 20px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .pricing-card {
    padding: 24px 20px;
  }
  .pricing-card.featured {
    transform: none;
  }
  .pricing-card.featured:hover {
    transform: translateY(-4px);
  }
  .news-card {
    margin-bottom: 8px;
  }
  .cta-banner h2 {
    font-size: 24px;
  }
  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }
  .cta-buttons .btn {
    width: 100%;
  }
  .footer-grid {
    flex-direction: column;
  }
}

/* roulang page: category1 */
:root{
  --primary:#2B6BE0;
  --primary-rgb:43,107,224;
  --accent:#F5A623;
  --success:#17B897;
  --danger:#D64560;
  --body-bg:#F5F8FC;
  --text-heading:#0B1D30;
  --text-title:#12263A;
  --text-body:#334E68;
  --text-muted:#829AB1;
  --border:#E6EBF2;
  --shadow-card:0 2px 8px rgba(18,38,58,0.06);
  --shadow-hover:0 10px 28px rgba(18,38,58,0.14);
  --shadow-btn:0 2px 0 rgba(0,0,0,0.15);
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:8px;
  --dark-bg:#0B1D30;
  --font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-family);
  background:var(--body-bg);
  color:var(--text-body);
  font-size:16px;
  line-height:1.8;
  margin:0;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:#1D4FBB}
img{max-width:100%;height:auto;display:block}
.container{max-width:1140px;padding:0 20px;margin:0 auto}
h1,h2,h3,h4,h5,h6{color:var(--text-heading);font-weight:700;line-height:1.3;margin:0 0 16px}
p{margin:0 0 16px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 28px;border-radius:8px;
  font-size:16px;font-weight:600;line-height:1;
  border:1.5px solid transparent;cursor:pointer;
  transition:all .2s ease;text-align:center;
}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:#1D4FBB;border-color:#1D4FBB;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-card)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-btn)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-card)}
.btn-outline:active{transform:translateY(0);box-shadow:var(--shadow-btn)}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-accent:hover{background:#e09513;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-card)}
.btn-white{background:#fff;color:var(--primary);border-color:#fff}
.btn-white:hover{background:#eef2f7;color:var(--primary);transform:translateY(-2px)}
.btn-sm{height:32px;padding:0 16px;font-size:14px;border-radius:6px}
.btn-lg{height:48px;padding:0 36px;font-size:17px}
.badge-label{
  display:inline-flex;align-items:center;gap:4px;
  font-size:12px;font-weight:500;line-height:1;
  padding:4px 10px;border-radius:4px;
}
.badge-primary{background:var(--primary);color:#fff}
.badge-light{background:#EAF1FE;color:var(--primary)}
.badge-accent{background:#FEF0D6;color:#C77E0A}
.badge-success{background:#E0F6F0;color:#0D8A6B}
.badge-muted{background:#EDF1F5;color:var(--text-muted)}
.section-title{
  font-size:30px;font-weight:700;color:var(--text-heading);
  margin-bottom:12px;letter-spacing:-0.5px;
}
.section-subtitle{
  font-size:15px;color:var(--text-muted);margin-bottom:48px;
  max-width:640px;line-height:1.7;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:32px;gap:20px;flex-wrap:wrap}
.section-head .section-title{margin-bottom:0}
.section-link{font-size:14px;font-weight:500;color:var(--primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.section-link:hover{color:#1D4FBB}
.section-link i{font-size:12px;transition:transform .2s ease}
.section-link:hover i{transform:translateX(4px)}

/* ===== Header ===== */
.site-header{
  background:#fff;border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:1030;
  box-shadow:0 1px 0 var(--border);
}
.header-main{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.brand-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--text-heading);
  text-decoration:none;white-space:nowrap;
}
.brand-logo:hover{color:var(--text-heading)}
.brand-badge{
  width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),#1D4FBB);
  display:inline-block;flex-shrink:0;
  position:relative;
}
.brand-badge::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,transparent 30%,rgba(255,255,255,0.9) 30%,rgba(255,255,255,0.9) 38%,transparent 38%,transparent 55%,rgba(255,255,255,0.9) 55%,rgba(255,255,255,0.9) 63%,transparent 63%);
  border-radius:50%;
}
.header-search{
  flex:0 0 40%;position:relative;display:flex;align-items:center;
}
@media (min-width:992px) and (max-width:1199px){.header-search{flex-basis:35%}}
.header-search .search-icon{
  position:absolute;left:14px;color:var(--text-muted);font-size:14px;pointer-events:none;
}
.header-search input{
  width:100%;height:40px;border:1px solid #D0D9E4;border-radius:20px;
  padding:0 16px 0 38px;font-size:14px;color:var(--text-body);
  background:#F5F8FC;outline:none;transition:all .25s ease;
}
.header-search input::placeholder{color:var(--text-muted);font-size:13px}
.header-search input:focus{
  border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 3px rgba(var(--primary-rgb),0.15);
}
.header-nav{
  display:flex;align-items:center;gap:6px;margin-left:auto;
}
.header-nav .nav-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--text-body);
  padding:8px 14px;border-radius:8px;text-decoration:none;
  transition:all .2s ease;position:relative;white-space:nowrap;
}
.header-nav .nav-link i{font-size:13px;color:var(--text-muted);transition:color .2s ease}
.header-nav .nav-link:hover{color:var(--primary);background:#F0F5FC}
.header-nav .nav-link:hover i{color:var(--primary)}
.header-nav .nav-link.active{color:var(--primary);font-weight:600;background:#EAF1FE}
.header-nav .nav-link.active i{color:var(--primary)}
.header-nav .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--primary);border-radius:2px;
}
.header-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--border);
  border-radius:10px;background:#fff;color:var(--text-body);
  font-size:18px;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s ease;margin-left:8px;
}
.header-toggle:hover{background:#F0F5FC;color:var(--primary);border-color:var(--primary)}

/* 附加导航层 */
.nav-tabs-bar{
  background:#F5F8FC;border-top:1px solid var(--border);
  position:sticky;top:72px;z-index:1020;
  padding:10px 0;
}
.nav-tabs-row{display:flex;align-items:center;gap:10px}
.nav-tab{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;color:var(--text-body);
  padding:6px 18px;border-radius:20px;
  background:#fff;border:1.5px solid var(--primary);
  text-decoration:none;transition:all .2s ease;white-space:nowrap;
}
.nav-tab i{font-size:12px}
.nav-tab:hover{background:var(--primary);color:#fff;transform:translateY(-1px);box-shadow:0 4px 12px rgba(var(--primary-rgb),0.2)}
.nav-tab.active{background:var(--primary);color:#fff;font-weight:600}

/* ===== Category Hero ===== */
.category-hero{
  position:relative;height:280px;
  background-size:cover;background-position:center;
  display:flex;align-items:center;
  overflow:hidden;
}
.category-hero .hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(var(--primary-rgb),0.85) 0%,rgba(var(--primary-rgb),0.4) 60%,rgba(var(--primary-rgb),0.2) 100%);
}
.category-hero-content{position:relative;z-index:2;color:#fff}
.category-hero-content h1{
  color:#fff;font-size:38px;font-weight:800;margin-bottom:10px;letter-spacing:-0.5px;
}
.category-hero-content p{
  color:rgba(255,255,255,0.9);font-size:16px;max-width:560px;margin-bottom:0;line-height:1.7;
}
.category-hero-content .hero-meta{
  display:flex;gap:24px;margin-top:20px;flex-wrap:wrap;
}
.hero-meta-item{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,0.9);
  background:rgba(255,255,255,0.15);padding:6px 14px;border-radius:20px;
  backdrop-filter:blur(4px);
}
.hero-meta-item i{font-size:12px;color:var(--accent)}

/* ===== Timeline ===== */
.timeline-section{padding:96px 0;background:#fff}
.timeline-wrap{position:relative;padding:20px 0}
.timeline-line{
  position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--primary) 0%,#D0D9E4 100%);
  transform:translateX(-50%);
}
.timeline-item{
  position:relative;width:50%;padding:0 48px 56px;
}
.timeline-item.tl-left{left:0;text-align:right}
.timeline-item.tl-right{left:50%}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{
  position:absolute;top:28px;width:16px;height:16px;
  border-radius:50%;background:var(--primary);
  border:3px solid #fff;box-shadow:0 0 0 3px rgba(var(--primary-rgb),0.2);
  z-index:2;
}
.tl-left .timeline-dot{right:-8px}
.tl-right .timeline-dot{left:-8px}
.timeline-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-card);
  transition:all .25s ease;display:inline-block;text-align:left;
  width:100%;max-width:440px;
}
.timeline-card:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-4px);
  border-color:rgba(var(--primary-rgb),0.3);
}
.timeline-date{
  font-size:13px;color:var(--text-muted);font-weight:500;
  display:flex;align-items:center;gap:6px;margin-bottom:8px;
}
.tl-left .timeline-date{justify-content:flex-start}
.timeline-date i{color:var(--primary);font-size:12px}
.timeline-card h3{font-size:19px;font-weight:700;color:var(--text-title);margin-bottom:8px}
.timeline-location{
  font-size:14px;color:var(--text-body);display:flex;align-items:center;gap:6px;margin-bottom:12px;
}
.tl-left .timeline-location{justify-content:flex-start}
.timeline-location i{color:var(--accent);font-size:13px}
.timeline-tags{display:flex;gap:8px;flex-wrap:wrap}
.tl-left .timeline-tags{justify-content:flex-start}

/* ===== Hot Articles ===== */
.hot-section{padding:96px 0;background:var(--body-bg)}
.hot-grid .row{margin:0 -12px}
.hot-grid .col-md-4{padding:0 12px}
.hot-card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow-card);
  transition:all .3s ease;display:flex;flex-direction:column;height:100%;
}
.hot-card:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-6px);
  border-color:rgba(var(--primary-rgb),0.25);
}
.hot-card .card-img{
  position:relative;height:180px;overflow:hidden;background:#EDF1F5;
}
.hot-card .card-img img{
  width:100%;height:100%;object-fit:cover;transition:transform .4s ease;
}
.hot-card:hover .card-img img{transform:scale(1.05)}
.hot-card .card-img .card-tag{
  position:absolute;top:14px;left:14px;z-index:2;
}
.hot-card .card-body{padding:20px 24px 16px;display:flex;flex-direction:column;flex:1}
.hot-card .card-body h3{
  font-size:18px;font-weight:600;color:var(--text-title);
  line-height:1.45;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hot-card .card-body p{
  font-size:14px;color:var(--text-muted);line-height:1.6;
  margin-bottom:16px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.hot-card .card-meta{
  display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--border);padding-top:12px;font-size:13px;color:var(--text-muted);
}
.hot-card .card-meta .meta-info{display:flex;align-items:center;gap:8px}
.hot-card .card-meta .read-more{color:var(--primary);font-size:13px;font-weight:500;display:inline-flex;align-items:center;gap:4px}
.hot-card .card-meta .read-more:hover{color:#1D4FBB}
.hot-card .card-meta .read-more i{font-size:11px;transition:transform .2s ease}
.hot-card .card-meta .read-more:hover i{transform:translateX(3px)}

/* ===== Category Jump ===== */
.cat-jump-section{padding:96px 0;background:#fff}
.cat-jump-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cat-jump-card{
  display:flex;align-items:center;gap:24px;
  background:#F5F8FC;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px;transition:all .3s ease;cursor:pointer;text-decoration:none;
}
.cat-jump-card:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-4px);
  border-color:rgba(var(--primary-rgb),0.3);
}
.cat-jump-icon{
  width:64px;height:64px;border-radius:16px;background:#EAF1FE;
  display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--primary);
  flex-shrink:0;
}
.cat-jump-info{flex:1}
.cat-jump-info h3{font-size:19px;font-weight:700;margin-bottom:4px;color:var(--text-title)}
.cat-jump-info p{font-size:14px;color:var(--text-muted);margin-bottom:0;line-height:1.6}
.cat-jump-arrow{font-size:16px;color:var(--text-muted);transition:all .3s ease}
.cat-jump-card:hover .cat-jump-arrow{color:var(--primary);transform:translateX(6px)}

/* ===== FAQ ===== */
.faq-section{padding:96px 0;background:var(--body-bg)}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md) !important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-card);
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-item:first-of-type{border-radius:var(--radius-md) !important}
.faq-accordion .accordion-button{
  font-size:16px;font-weight:600;color:var(--text-body);
  background:#fff;padding:18px 24px;border:none;
  box-shadow:none;transition:all .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--primary);background:#F5F9FF;
  box-shadow:none;
}
.faq-accordion .accordion-button:focus{
  box-shadow:0 0 0 3px rgba(var(--primary-rgb),0.12);border-radius:var(--radius-md);
}
.faq-accordion .accordion-button::after{
  background-image:none;content:"+";font-size:22px;font-weight:300;
  width:auto;height:auto;font-family:var(--font-family);
  color:var(--text-muted);transition:transform .3s ease;display:flex;align-items:center;justify-content:center;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);color:var(--primary);
}
.faq-accordion .accordion-body{
  padding:0 24px 20px;font-size:14px;color:var(--text-body);line-height:1.8;
  border-top:1px solid var(--border);
}

/* ===== CTA Banner ===== */
.cta-banner{
  background:linear-gradient(135deg,var(--primary) 0%,#1D4FBB 100%);
  padding:80px 0;position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;top:-80px;right:-40px;width:320px;height:320px;
  border:1px solid rgba(255,255,255,0.15);border-radius:50%;
}
.cta-banner::after{
  content:"";position:absolute;bottom:-120px;left:30px;width:260px;height:260px;
  border:1px solid rgba(255,255,255,0.1);border-radius:50%;
}
.cta-banner-content{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-banner h2{
  color:#fff;font-size:30px;font-weight:800;margin-bottom:8px;letter-spacing:-0.5px;
}
.cta-banner p{color:rgba(255,255,255,0.85);font-size:16px;margin-bottom:0;max-width:520px}
.cta-banner .cta-actions{display:flex;gap:16px;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{background:var(--dark-bg);padding:72px 0 0;color:rgba(255,255,255,0.7)}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;
  gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,0.08);
}
.footer-brand .brand-logo{color:#fff;font-size:20px;margin-bottom:16px}
.footer-brand .brand-logo .brand-badge{
  width:40px;height:40px;
  background:linear-gradient(135deg,var(--primary),#1D4FBB);
}
.footer-brand p{
  color:rgba(255,255,255,0.55);font-size:14px;line-height:1.7;margin-bottom:0;max-width:280px;
}
.footer-col h5{
  color:#fff;font-size:16px;font-weight:600;margin-bottom:20px;
}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{
  color:rgba(255,255,255,0.6);font-size:14px;text-decoration:none;transition:all .2s ease;
}
.footer-col ul li a:hover{color:var(--accent);padding-left:4px}
.footer-contact div{
  display:flex;align-items:center;gap:10px;font-size:14px;
  color:rgba(255,255,255,0.6);margin-bottom:12px;
}
.footer-contact i{color:var(--primary);font-size:13px;width:18px;text-align:center}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  padding:24px 0;flex-wrap:wrap;gap:12px;
  font-size:13px;color:rgba(255,255,255,0.35);
}

/* ===== Responsive ===== */
@media (max-width:1199px){
  .header-search{flex-basis:35%}
}
@media (max-width:991px){
  .header-search{flex-basis:100%;order:3;padding:0 0 14px}
  .header-main{height:auto;flex-wrap:wrap;padding:14px 0 0;gap:12px}
  .header-nav{display:none}
  .header-toggle{display:inline-flex;margin-left:auto}
  .nav-tabs-bar{top:auto;position:relative;overflow-x:auto}
  .nav-tabs-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
  .nav-tab{flex-shrink:0}
  .category-hero{height:220px}
  .category-hero-content h1{font-size:30px}
  .timeline-section,.hot-section,.cat-jump-section,.faq-section{padding:64px 0}
  .timeline-line{left:24px}
  .timeline-item,.timeline-item.tl-left,.timeline-item.tl-right{
    width:100%;left:0;padding:0 0 40px 64px;text-align:left;
  }
  .tl-left .timeline-dot,.tl-right .timeline-dot{left:17px;right:auto}
  .tl-left .timeline-date,.tl-left .timeline-location,.tl-left .timeline-tags{justify-content:flex-start}
  .cat-jump-grid{grid-template-columns:1fr}
  .cta-banner h2{font-size:26px}
}
@media (max-width:767px){
  .hot-grid .col-md-4{
    flex:0 0 100%;max-width:100%;margin-bottom:20px;
  }
  .hot-grid .row{flex-direction:column}
  .hot-grid .col-md-4:last-child{margin-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-banner-content{flex-direction:column;align-items:flex-start}
  .section-title{font-size:24px}
  .category-hero{height:200px}
  .category-hero-content h1{font-size:26px}
  .category-hero-content p{font-size:14px}
  .hero-meta{gap:12px}
  .hero-meta-item{padding:5px 10px;font-size:12px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .brand-logo{font-size:16px}
  .brand-badge{width:32px;height:32px}
  .header-main{flex-wrap:wrap}
  .category-hero{height:190px}
  .category-hero-content h1{font-size:24px}
  .timeline-card{padding:18px}
  .timeline-item{padding:0 0 36px 56px}
  .cat-jump-card{flex-direction:column;align-items:flex-start;padding:24px;gap:16px}
  .cta-banner .cta-actions{width:100%;flex-direction:column}
  .cta-banner .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center}
  .btn{padding:0 20px}
  .section-title{font-size:22px}
  .section-subtitle{font-size:14px;margin-bottom:32px}
}
@media (min-width:992px){
  .mobile-only{display:none !important}
}

/* roulang page: article */
:root {
  --primary: #2B6BE0;
  --primary-light: #EAF1FE;
  --primary-dark: #1D4FBB;
  --accent: #F5A623;
  --success: #17B897;
  --danger: #D64560;
  --bg-body: #F5F8FC;
  --bg-dark: #0B1D30;
  --text-primary: #0B1D30;
  --text-heading: #12263A;
  --text-card: #243B53;
  --text-body: #334E68;
  --text-muted: #829AB1;
  --border-color: #E6EBF2;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-xs: 4px;
  --shadow-sm: 0 2px 8px rgba(18,38,58,0.06);
  --shadow-lg: 0 10px 28px rgba(18,38,58,0.14);
  --font-base: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-base); background: var(--bg-body); color: var(--text-body); font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; width: 100%; }
.section { padding: 96px 0; }

.btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 42px; padding: 0 28px; background: var(--primary); color: #fff; font-size: 15px; font-weight: 600; border-radius: var(--radius-sm); border: 2px solid transparent; transition: all .2s ease; min-width: 120px; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 0 rgba(0,0,0,0.15); }
.btn-primary:focus-visible { outline: 3px solid rgba(43,107,224,.3); outline-offset: 2px; }
.btn-outline { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 42px; padding: 0 28px; background: #fff; color: var(--primary); font-size: 15px; font-weight: 600; border-radius: var(--radius-sm); border: 1.5px solid var(--primary); transition: all .2s ease; min-width: 120px; }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline:active { transform: translateY(0); }
.btn-outline:focus-visible { outline: 3px solid rgba(43,107,224,.3); outline-offset: 2px; }
.btn-ghost { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-size: 14px; font-weight: 500; padding: 8px 4px; transition: all .2s ease; }
.btn-ghost:hover { color: var(--primary-dark); text-decoration: underline; }

.badge-tag { display: inline-block; padding: 2px 10px; border-radius: var(--radius-xs); font-size: 12px; font-weight: 500; background: var(--primary-light); color: var(--primary); white-space: nowrap; }
.badge-solid { display: inline-block; padding: 2px 10px; border-radius: var(--radius-xs); font-size: 12px; font-weight: 500; background: var(--primary); color: #fff; white-space: nowrap; }
.badge-accent { display: inline-block; padding: 2px 10px; border-radius: var(--radius-xs); font-size: 12px; font-weight: 600; background: var(--accent); color: #fff; white-space: nowrap; }

.site-header { background: #fff; box-shadow: 0 1px 0 var(--border-color); position: sticky; top: 0; z-index: 1050; }
.header-main { display: flex; align-items: center; height: 72px; gap: 20px; }
.brand-logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-badge { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 15px; flex-shrink: 0; box-shadow: 0 4px 10px rgba(43,107,224,.25); }
.brand-name { font-size: 18px; font-weight: 800; color: var(--text-primary); letter-spacing: .5px; white-space: nowrap; }
.header-search { flex: 1; max-width: 440px; margin: 0 auto; position: relative; }
.header-search .search-icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 14px; pointer-events: none; z-index: 2; }
.header-search input { width: 100%; height: 42px; border: 1px solid var(--border-color); border-radius: 20px; padding: 0 16px 0 44px; background: var(--bg-body); font-size: 14px; color: var(--text-body); transition: all .2s ease; }
.header-search input::placeholder { color: var(--text-muted); }
.header-search input:focus { background: #fff; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(43,107,224,.15); outline: none; }
.header-nav { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
.nav-link { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; font-size: 14px; font-weight: 500; color: var(--text-body); border-radius: var(--radius-sm); position: relative; white-space: nowrap; transition: color .2s ease; }
.nav-link i { font-size: 13px; color: var(--text-muted); transition: color .2s ease; }
.nav-link:hover { color: var(--primary); }
.nav-link:hover i { color: var(--primary); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active i { color: var(--primary); }
.nav-link.active::after { content: ''; position: absolute; left: 14px; right: 14px; bottom: -20px; height: 2px; background: var(--primary); border-radius: 2px; }
.navbar-toggle { display: none; width: 44px; height: 44px; border-radius: var(--radius-sm); font-size: 20px; color: var(--text-body); align-items: center; justify-content: center; transition: all .2s ease; }
.navbar-toggle:hover { background: var(--bg-body); color: var(--primary); }

.category-tabs { background: var(--bg-body); border-top: 1px solid var(--border-color); padding: 12px 0; }
.category-tabs .container { display: flex; gap: 10px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.category-tabs .container::-webkit-scrollbar { display: none; }
.tab-item { display: inline-flex; align-items: center; gap: 6px; padding: 6px 18px; border-radius: 20px; font-size: 14px; font-weight: 500; background: #fff; border: 1px solid var(--primary); color: var(--primary); transition: all .2s ease; white-space: nowrap; }
.tab-item:hover { background: var(--primary-light); transform: translateY(-1px); }
.tab-item.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(43,107,224,.25); }

.offcanvas { --bs-offcanvas-width: 320px; }
.offcanvas-header { padding: 20px 24px; border-bottom: 1px solid var(--border-color); }
.offcanvas-body { padding: 24px; }
.mobile-search { position: relative; margin-bottom: 24px; }
.mobile-search i { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 14px; }
.mobile-search input { width: 100%; height: 44px; border: 1px solid var(--border-color); border-radius: 20px; padding: 0 16px 0 44px; background: var(--bg-body); font-size: 14px; transition: all .2s ease; }
.mobile-search input:focus { background: #fff; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(43,107,224,.15); outline: none; }
.mobile-nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-link { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 500; color: var(--text-body); transition: all .2s ease; }
.mobile-nav-link i { width: 20px; text-align: center; color: var(--text-muted); }
.mobile-nav-link:hover { background: var(--primary-light); color: var(--primary); }
.mobile-nav-link:hover i { color: var(--primary); }
.mobile-nav-link.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.mobile-nav-link.active i { color: var(--primary); }

.breadcrumb-wrap { background: var(--bg-body); padding: 16px 0; border-bottom: 1px solid var(--border-color); }
.breadcrumb { margin: 0; font-size: 13px; color: var(--text-muted); }
.breadcrumb-item a { color: var(--text-muted); transition: color .2s ease; }
.breadcrumb-item a:hover { color: var(--primary); }
.breadcrumb-item.active { color: var(--primary); max-width: 280px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: inline-block; vertical-align: middle; }
.breadcrumb-item + .breadcrumb-item::before { color: var(--text-muted); content: "/"; }

.article-section { padding: 56px 0 96px; background: #fff; }
.article-wrapper { max-width: 860px; margin: 0 auto; }
.article-header { margin-bottom: 32px; }
.article-header h1 { font-size: 36px; font-weight: 800; line-height: 1.2; color: var(--text-primary); margin-bottom: 20px; }
.article-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; }
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item i { font-size: 13px; }
.meta-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--text-muted); display: inline-block; }
.category-badge { display: inline-block; padding: 2px 10px; background: var(--primary-light); color: var(--primary); border-radius: var(--radius-xs); font-size: 12px; font-weight: 500; }
.article-thumb { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 40px; background: #F0F4F9; position: relative; }
.article-thumb img { width: 100%; height: 420px; object-fit: cover; }
.article-thumb.is-empty { height: 280px; display: flex; align-items: center; justify-content: center; }
.article-thumb.is-empty::after { content: '\f15c'; font-family: "Font Awesome 6 Free"; font-weight: 400; font-size: 48px; color: #C3D0DE; }
.article-thumb .thumb-caption { position: absolute; bottom: 0; left: 0; right: 0; padding: 40px 24px 16px; background: linear-gradient(to top, rgba(11,29,48,.45), transparent); color: #fff; font-size: 13px; }

.article-content { max-width: 780px; margin: 0 auto; font-size: 16px; line-height: 1.8; color: var(--text-body); }
.article-content p { margin-bottom: 24px; }
.article-content h2 { font-size: 22px; font-weight: 700; color: var(--text-heading); padding-left: 12px; border-left: 4px solid var(--primary); margin: 40px 0 16px; line-height: 1.4; }
.article-content h3 { font-size: 18px; font-weight: 600; color: var(--text-card); margin: 32px 0 12px; line-height: 1.4; }
.article-content blockquote { background: #F0F4F9; border-left: 4px solid var(--primary); padding: 16px 24px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-body); margin: 24px 0; }
.article-content blockquote p { margin: 0; }
.article-content img { border-radius: 12px; margin: 24px auto; }
.article-content figcaption { text-align: center; font-size: 13px; color: var(--text-muted); margin: -16px 0 24px; }
.article-content ul { margin: 16px 0 24px; padding-left: 0; }
.article-content ul li { position: relative; padding-left: 20px; margin-bottom: 8px; }
.article-content ul li::before { content: ''; position: absolute; left: 0; top: 0.6em; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.article-content ol { margin: 16px 0 24px; padding-left: 20px; }
.article-content ol li { list-style: decimal; margin-bottom: 8px; padding-left: 4px; }
.article-content a { color: var(--primary); border-bottom: 1px solid rgba(43,107,224,.3); }
.article-content a:hover { color: var(--primary-dark); border-bottom-color: var(--primary-dark); }
.article-content code { background: #F0F4F9; padding: 2px 6px; border-radius: 4px; font-size: 14px; color: var(--primary-dark); }
.article-content pre { background: var(--bg-dark); color: #E6EBF2; padding: 20px; border-radius: 12px; overflow-x: auto; margin: 24px 0; line-height: 1.6; }
.article-content pre code { background: transparent; color: inherit; padding: 0; }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.article-content th, .article-content td { border: 1px solid var(--border-color); padding: 10px 14px; text-align: left; }
.article-content th { background: #F0F4F9; font-weight: 600; color: var(--text-heading); }
.article-content iframe { max-width: 100%; border-radius: 12px; margin: 24px 0; }

.article-toolbar { max-width: 780px; margin: 48px auto 0; padding-top: 32px; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.article-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.tag-item { padding: 4px 12px; background: #F0F4F9; border-radius: var(--radius-xs); font-size: 13px; color: var(--text-body); border: 1px solid transparent; transition: all .2s ease; }
.tag-item:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.share-group { display: flex; gap: 10px; align-items: center; }
.share-label { font-size: 13px; color: var(--text-muted); margin-right: 4px; }
.share-btn { width: 44px; height: 44px; border-radius: 50%; background: #F0F4F9; display: inline-flex; align-items: center; justify-content: center; color: var(--text-body); font-size: 17px; transition: all .2s ease; }
.share-btn:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(43,107,224,.3); }
.share-btn:active { transform: translateY(0); }

.article-cta { max-width: 780px; margin: 40px auto 0; background: var(--primary-light); border-radius: var(--radius-lg); padding: 36px 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.article-cta h3 { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.article-cta p { font-size: 14px; color: var(--text-body); margin: 0; }
.article-cta .btn-primary { flex-shrink: 0; }

.article-not-found { padding: 80px 24px; text-align: center; }
.article-not-found .nf-icon { width: 72px; height: 72px; border-radius: 50%; background: #F0F4F9; display: inline-flex; align-items: center; justify-content: center; font-size: 28px; color: var(--text-muted); margin-bottom: 24px; }
.article-not-found h2 { font-size: 28px; font-weight: 700; color: var(--text-primary); margin-bottom: 12px; }
.article-not-found p { font-size: 15px; color: var(--text-muted); margin-bottom: 28px; }

.related-section { padding: 80px 0; background: var(--bg-body); }
.related-section .section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; }
.related-section .section-head h2 { font-size: 28px; font-weight: 700; color: var(--text-heading); }
.related-section .section-head .btn-ghost { font-size: 14px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
.related-card { background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: all .2s ease; display: block; }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.related-card-img { width: 100%; height: 170px; object-fit: cover; background: #E4ECF5; }
.related-card-body { padding: 20px 22px 24px; }
.related-card-body h3 { font-size: 16px; font-weight: 600; color: var(--text-card); line-height: 1.5; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 8px; transition: color .2s ease; }
.related-card:hover .related-card-body h3 { color: var(--primary); }
.related-card-meta { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.related-card-meta i { font-size: 12px; }
.related-btn-wrap { text-align: center; }

.cta-banner { background: linear-gradient(135deg, #2B6BE0 0%, #1D4FBB 100%); padding: 60px 0; position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; top: -40px; right: -20px; width: 200px; height: 200px; border: 3px solid rgba(255,255,255,.1); border-radius: 50%; }
.cta-banner::after { content: ''; position: absolute; bottom: -60px; left: 30%; width: 160px; height: 160px; border: 2px solid rgba(255,255,255,.08); border-radius: 50%; }
.cta-inner { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-inner h2 { font-size: 28px; font-weight: 700; color: #fff; margin: 0; line-height: 1.4; }
.cta-inner p { color: rgba(255,255,255,.85); margin-top: 8px; font-size: 15px; }
.cta-actions { display: flex; gap: 16px; flex-shrink: 0; }
.cta-actions .btn-primary { background: #fff; color: var(--primary); border: 2px solid #fff; }
.cta-actions .btn-primary:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.2); }
.cta-actions .btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.8); }
.cta-actions .btn-outline:hover { background: rgba(255,255,255,.15); color: #fff; box-shadow: none; transform: translateY(-2px); }

.site-footer { background: var(--bg-dark); color: #9FB3C8; padding: 72px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin: 0; max-width: 280px; }
.footer-col h5 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 14px; color: #9FB3C8; transition: color .2s ease; }
.footer-col ul a:hover { color: var(--accent); }
.footer-contact { display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.footer-contact div { display: flex; align-items: center; gap: 10px; }
.footer-contact i { color: var(--accent); width: 16px; text-align: center; flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 13px; color: #6B8094; }
.footer-bottom span { white-space: nowrap; }

.offcanvas-backdrop.show { opacity: .5; }

@keyframes skeletonWave { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
.skeleton-card { background: linear-gradient(90deg, #EEF2F7 25%, #E0E7EF 50%, #EEF2F7 75%); background-size: 200% 100%; animation: skeletonWave 1.5s infinite; border-radius: var(--radius-lg); min-height: 220px; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { animation: fadeUp .5s ease both; }

@media (max-width: 1199.98px) {
  .container { max-width: 960px; }
  .header-search { max-width: 360px; }
  .header-main { gap: 12px; }
  .nav-link { padding: 8px 10px; }
}
@media (max-width: 991.98px) {
  .section { padding: 56px 0; }
  .site-header { position: static; }
  .header-main { height: auto; padding: 12px 24px; flex-wrap: wrap; gap: 12px; }
  .brand-logo { order: 1; }
  .navbar-toggle { order: 2; display: flex; margin-left: auto; }
  .header-search { order: 3; flex: 0 0 100%; max-width: none; margin: 0; }
  .header-nav { display: none; }
  .category-tabs { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .article-header h1 { font-size: 32px; }
  .article-thumb img { height: 320px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-actions { width: 100%; }
}
@media (max-width: 767.98px) {
  .container { padding: 0 20px; }
  .section { padding: 48px 0; }
  .header-main { padding: 12px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .related-grid { grid-template-columns: 1fr; }
  .article-header h1 { font-size: 28px; }
  .article-thumb img { height: 220px; }
  .article-content p { font-size: 15px; }
  .article-content h2 { font-size: 20px; }
  .article-cta { padding: 24px; }
  .article-toolbar { flex-direction: column; align-items: flex-start; }
  .cta-banner { padding: 48px 0; }
  .cta-inner h2 { font-size: 22px; }
  .cta-actions .btn-primary, .cta-actions .btn-outline { min-width: 44px; padding: 0 18px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 575.98px) {
  .container { padding: 0 16px; }
  .article-section { padding: 32px 0 64px; }
  .article-header h1 { font-size: 26px; }
  .brand-name { font-size: 16px; }
  .brand-badge { width: 32px; height: 32px; }
  .btn-primary, .btn-outline { height: 44px; min-width: 44px; padding: 0 20px; font-size: 14px; }
  .article-cta h3 { font-size: 18px; }
}

/* roulang page: category2 */
:root {
  --primary: #2B6BE0;
  --primary-dark: #1D4FBB;
  --primary-light: #EAF1FE;
  --accent: #F5A623;
  --success: #17B897;
  --danger: #D64560;
  --body-bg: #F5F8FC;
  --white: #FFFFFF;
  --dark: #0B1D30;
  --heading: #12263A;
  --card-title: #243B53;
  --body-text: #334E68;
  --muted: #829AB1;
  --border: #E6EBF2;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(18,38,58,0.06);
  --shadow-lg: 0 10px 28px rgba(18,38,58,0.14);
  --font: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  color: var(--body-text);
  background: var(--body-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: var(--primary); transition: color .25s ease; }
a:hover { color: var(--primary-dark); }
.container { max-width: 1180px; padding-left: 24px; padding-right: 24px; }

/* ---------- Header ---------- */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: 0 1px 0 #E6EBF2;
}
.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--heading);
  letter-spacing: .2px;
  white-space: nowrap;
}
.brand-logo:hover { color: var(--primary); }
.brand-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 15px;
  flex: none;
}
.header-search {
  flex: 0 0 38%;
  max-width: 420px;
  position: relative;
}
.header-search .fa-search {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #5C7A99;
  font-size: 14px;
  pointer-events: none;
}
.header-search input {
  width: 100%;
  height: 44px;
  border: 1px solid #D0D9E4;
  border-radius: 22px;
  padding: 0 18px 0 40px;
  font-size: 14px;
  background: #F7FAFD;
  color: var(--body-text);
  transition: all .25s ease;
  outline: none;
}
.header-search input:focus {
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(43,107,224,0.15);
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.header-nav .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--body-text);
  border-radius: 8px;
  position: relative;
  transition: all .25s ease;
}
.header-nav .nav-link i { font-size: 13px; color: var(--muted); }
.header-nav .nav-link:hover { color: var(--primary); background: var(--primary-light); }
.header-nav .nav-link:hover i { color: var(--primary); }
.header-nav .nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.header-nav .nav-link.active i { color: var(--primary); }
.header-nav .nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: none;
  border-radius: var(--radius-sm);
  color: var(--heading);
  font-size: 20px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.hamburger:hover { background: var(--primary-light); color: var(--primary); }
.mobile-search {
  display: none;
  padding: 0 24px 16px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}
.mobile-search .search-wrap { position: relative; }
.mobile-search .fa-search {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #5C7A99;
  font-size: 14px;
}
.mobile-search input {
  width: 100%;
  height: 44px;
  border: 1px solid #D0D9E4;
  border-radius: 22px;
  padding: 0 18px 0 40px;
  font-size: 14px;
  background: #F7FAFD;
  color: var(--body-text);
  outline: none;
}
.mobile-search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(43,107,224,0.15);
  background: var(--white);
}
.mobile-drawer-bg {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11,29,48,0.4);
  z-index: 1040;
}
.mobile-drawer-bg.show { display: block; }
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -290px;
  width: 280px;
  height: 100%;
  background: var(--white);
  z-index: 1050;
  padding: 28px 20px;
  transition: right .3s ease;
  box-shadow: -8px 0 30px rgba(18,38,58,0.15);
  overflow-y: auto;
}
.mobile-drawer.open { right: 0; }
.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.drawer-close {
  width: 40px;
  height: 40px;
  border: none;
  background: var(--body-bg);
  border-radius: 50%;
  color: var(--heading);
  font-size: 16px;
  cursor: pointer;
}
.drawer-close:hover { background: var(--primary-light); color: var(--primary); }
.drawer-nav { display: flex; flex-direction: column; gap: 4px; }
.drawer-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--body-text);
}
.drawer-nav a i { width: 20px; text-align: center; color: var(--muted); }
.drawer-nav a:hover { background: var(--primary-light); color: var(--primary); }
.drawer-nav a:hover i { color: var(--primary); }
.drawer-nav a.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.drawer-nav a.active i { color: var(--primary); }

/* ---------- Hero ---------- */
.category-hero {
  position: relative;
  min-height: 300px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  color: var(--white);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,29,48,0.85) 0%, rgba(43,107,224,0.55) 55%, rgba(43,107,224,0.2) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 56px;
  padding-bottom: 56px;
  max-width: 720px;
}
.hero-content .hero-tag {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
  font-size: 13px;
  padding: 4px 14px;
  border-radius: 30px;
  margin-bottom: 16px;
  backdrop-filter: blur(4px);
}
.hero-content h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 16px;
  color: #fff;
}
.hero-content p {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,0.92);
  max-width: 580px;
  margin-bottom: 28px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-actions .btn { min-width: 130px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 26px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: #2457c4;
  border-color: #2457c4;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 0 rgba(0,0,0,0.15); }
.btn-outline-primary {
  background: var(--white);
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-outline-white {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}
.btn-outline-white:hover {
  background: #fff;
  border-color: #fff;
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--dark);
}
.btn-accent:hover {
  background: #e0960a;
  border-color: #e0960a;
  color: var(--dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ---------- Sect ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--white); }
.section-head { margin-bottom: 48px; }
.section-head .section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 14px;
  border-radius: 30px;
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--heading);
  margin: 0 0 12px;
}
.section-head p { font-size: 15px; color: var(--muted); margin: 0; }

/* ---------- Stats ---------- */
.stats-section {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 40px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item { text-align: center; padding: 20px 16px; }
.stat-num {
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
}
.stat-label { font-size: 14px; color: var(--muted); margin-top: 8px; }

/* ---------- Venue Table ---------- */
.venue-table-section { padding: 96px 0; background: var(--body-bg); }
.venue-table-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-top: 12px;
}
.venue-table {
  width: 100%;
  margin: 0;
  border-collapse: collapse;
}
.venue-table thead th {
  background: #F0F4F9;
  font-size: 14px;
  font-weight: 600;
  color: var(--heading);
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.venue-table tbody td {
  padding: 20px 24px;
  font-size: 15px;
  color: var(--body-text);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.venue-table tbody tr { transition: background .2s ease; }
.venue-table tbody tr:hover { background: #FAFCFF; }
.venue-table tbody tr:last-child td { border-bottom: none; }
.venue-name { display: flex; align-items: center; gap: 12px; }
.venue-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex: none;
}
.venue-name strong { font-size: 15px; font-weight: 600; color: var(--card-title); display: block; }
.venue-loc { font-size: 13px; color: var(--muted); }
.btn-venue {
  height: 36px;
  padding: 0 22px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: all .25s ease;
}
.btn-venue:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

/* ---------- Featured Venues ---------- */
.featured-venues { padding: 96px 0; background: var(--white); }
.venue-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all .25s ease;
  height: 100%;
  border: 1px solid #F1F4F9;
}
.venue-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.venue-card .card-img { position: relative; height: 200px; overflow: hidden; }
.venue-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.venue-card:hover .card-img img { transform: scale(1.05); }
.venue-card .card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(11,29,48,0.35));
}
.venue-card .card-img .badge-venue {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(255,255,255,0.92);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}
.venue-card .card-body { padding: 24px; }
.venue-card .card-body h3 { font-size: 19px; font-weight: 600; color: var(--card-title); margin-bottom: 10px; }
.venue-card .card-body p { font-size: 14px; color: var(--muted); line-height: 1.7; margin-bottom: 16px; }
.facility-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 18px;
}
.facility-item {
  background: var(--body-bg);
  border-radius: 8px;
  padding: 10px 8px;
  text-align: center;
}
.facility-item .num { font-size: 18px; font-weight: 800; color: var(--heading); line-height: 1.2; }
.facility-item .label { font-size: 12px; color: var(--muted); }
.venue-card .card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px 24px;
}
.venue-card .card-foot .book-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.venue-card .card-foot .book-link i { transition: transform .25s ease; }
.venue-card .card-foot .book-link:hover i { transform: translateX(4px); }
.venue-card.featured {
  border: 2px solid var(--primary);
  box-shadow: 0 12px 32px rgba(43,107,224,0.14);
  position: relative;
}
.venue-card.featured::before {
  content: "精选推荐";
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--dark);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 20px;
  border-radius: 20px;
  z-index: 3;
  box-shadow: var(--shadow-sm);
}
.venue-card.featured .card-img { height: 220px; }
.middle-mt { margin-top: 24px; }

/* ---------- Process ---------- */
.process-section { padding: 96px 0; background: var(--body-bg); }
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.process-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all .25s ease;
}
.process-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.process-item .step-num {
  font-size: 68px;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  position: absolute;
  top: 18px;
  right: 22px;
  font-family: var(--font);
}
.process-item .step-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}
.process-item h3 { font-size: 19px; font-weight: 600; color: var(--card-title); margin-bottom: 10px; }
.process-item p { font-size: 14px; color: var(--muted); line-height: 1.7; margin: 0; }
.process-item .step-arrow {
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 26px;
  color: var(--border);
  z-index: 1;
}

/* ---------- FAQ ---------- */
.faq-section { padding: 96px 0; background: var(--white); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-item .faq-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--body-text);
  transition: color .25s ease;
}
.faq-item .faq-btn:hover { color: var(--primary); }
.faq-item .faq-btn.active { color: var(--primary); }
.faq-item .faq-icon { font-size: 18px; flex: none; transition: transform .3s ease; color: var(--muted); }
.faq-item .faq-btn.active .faq-icon { transform: rotate(45deg); color: var(--primary); }
.faq-answer { overflow: hidden; }
.faq-answer p { font-size: 15px; color: var(--body-text); line-height: 1.8; padding: 2px 0 26px; margin: 0; }

/* ---------- CTA ---------- */
.cta-banner {
  background: linear-gradient(100deg, #2B6BE0 0%, #1D4FBB 100%);
  color: #fff;
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border: 40px solid rgba(255,255,255,0.08);
  border-radius: 50%;
  right: -80px;
  top: -80px;
}
.cta-banner::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border: 24px solid rgba(255,255,255,0.06);
  border-radius: 50%;
  left: 18%;
  bottom: -90px;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; position: relative; z-index: 1; flex-wrap: wrap; }
.cta-inner h2 { font-size: 30px; font-weight: 700; color: #fff; margin: 0 0 8px; }
.cta-inner p { font-size: 15px; color: rgba(255,255,255,0.85); margin: 0; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { background: var(--dark); color: #A8BBCB; font-size: 14px; padding: 72px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .brand-logo { color: #fff; font-size: 19px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.8; color: #829AB1; margin: 0; max-width: 280px; }
.footer-col h5 { font-size: 15px; font-weight: 600; color: #fff; margin: 0 0 18px; letter-spacing: .3px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-col ul li a { color: #829AB1; font-size: 14px; transition: all .25s ease; display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul li a:hover { color: var(--primary); padding-left: 4px; }
.footer-col ul li a i { font-size: 11px; }
.footer-contact { display: grid; gap: 10px; }
.footer-contact div { display: flex; align-items: center; gap: 10px; color: #829AB1; font-size: 14px; }
.footer-contact i { width: 16px; color: var(--primary); }
.footer-bottom {
  border-top: 1px solid #1A2E44;
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: #5C7A99;
  font-size: 13px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1199px) {
  .header-search { flex: 0 0 32%; }
  .header-nav .nav-link { padding: 8px 10px; font-size: 13px; }
  .stats-grid { gap: 16px; }
}
@media (max-width: 991px) {
  .header-inner { height: auto; min-height: 72px; flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; gap: 12px; }
  .header-search { display: none; }
  .mobile-search { display: block; }
  .header-nav { display: none; }
  .hamburger { display: inline-flex; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .stat-item { padding: 12px 8px; }
  .stat-num { font-size: 32px; }
  .process-grid { grid-template-columns: 1fr; gap: 20px; }
  .process-item .step-arrow { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 767px) {
  .section { padding: 56px 0; }
  .category-hero { min-height: 260px; }
  .hero-content h1 { font-size: 30px; }
  .hero-content p { font-size: 15px; }
  .venue-table-section { padding: 56px 0; }
  .featured-venues { padding: 56px 0; }
  .process-section { padding: 56px 0; }
  .faq-section { padding: 56px 0; }
  .venue-name strong { font-size: 14px; }
  .venue-table thead th, .venue-table tbody td { padding: 16px 14px; }
  .btn-venue { padding: 0 16px; }
  .middle-mt { margin-top: 0; }
  .venue-card.featured { margin-top: 20px; }
  .cta-banner { padding: 52px 0; }
  .cta-inner h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}
@media (max-width: 575px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .hero-content h1 { font-size: 26px; }
  .hero-content p { font-size: 14px; }
  .hero-actions .btn { width: 100%; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-num { font-size: 28px; }
  .venue-table thead { display: none; }
  .venue-table tbody td { display: block; padding: 12px 16px; border-bottom: none; }
  .venue-table tbody tr { border-bottom: 1px solid var(--border); }
  .venue-table tbody tr:last-child { border-bottom: none; }
  .venue-table tbody td::before {
    content: attr(data-label);
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 4px;
  }
  .facility-grid { grid-template-columns: repeat(3, 1fr); }
  .cta-actions .btn { width: 100%; }
}

/* roulang page: category3 */
:root {
      --primary: #2B6BE0;
      --primary-dark: #1D4FBB;
      --primary-light: #EAF1FE;
      --accent: #F5A623;
      --success: #17B897;
      --danger: #D64560;
      --body-bg: #F5F8FC;
      --white: #FFFFFF;
      --dark: #0B1D30;
      --heading: #0B1D30;
      --h2-color: #12263A;
      --card-title: #243B53;
      --body-text: #334E68;
      --muted: #829AB1;
      --border: #E6EBF2;
      --border-strong: #D0D9E4;
      --radius-lg: 16px;
      --radius-md: 10px;
      --radius-sm: 8px;
      --radius-xs: 4px;
      --shadow-sm: 0 2px 8px rgba(18,38,58,0.06);
      --shadow-lg: 0 10px 28px rgba(18,38,58,0.14);
      --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-sans);
      font-size: 15px;
      line-height: 1.8;
      color: var(--body-text);
      background: var(--body-bg);
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      color: var(--primary);
      text-decoration: none;
      transition: color .2s ease;
    }

    a:hover {
      color: var(--primary-dark);
    }

    .container {
      max-width: 1140px;
      padding-left: 20px;
      padding-right: 20px;
    }

    .section-pad {
      padding: 96px 0;
    }

    .section-pad-sm {
      padding: 72px 0;
    }

    .section-head {
      margin-bottom: 48px;
    }

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

    .section-head p {
      font-size: 16px;
      color: var(--muted);
      margin-bottom: 0;
    }

    .section-head.center {
      text-align: center;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 44px;
      padding: 0 26px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      line-height: 1;
      border-width: 1.5px;
      border-style: solid;
      transition: all .2s ease;
      min-width: 120px;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
    }

    .btn-primary:hover,
    .btn-primary:focus {
      background: var(--primary-dark);
      border-color: var(--primary-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(43,107,224,0.28);
    }

    .btn-outline-primary {
      background: #fff;
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-outline-primary:hover {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-outline-light {
      background: transparent;
      border-color: rgba(255,255,255,0.72);
      color: #fff;
    }

    .btn-outline-light:hover {
      background: #fff;
      border-color: #fff;
      color: var(--primary);
      transform: translateY(-2px);
    }

    .btn-accent {
      background: var(--accent);
      border-color: var(--accent);
      color: #fff;
    }

    .btn-accent:hover {
      background: #e08e00;
      border-color: #e08e00;
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(245,166,35,0.26);
    }

    .btn:active {
      transform: translateY(0);
      box-shadow: 0 2px 0 rgba(0,0,0,0.15);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 2px 10px;
      font-size: 12px;
      font-weight: 600;
      border-radius: var(--radius-xs);
      line-height: 1.6;
    }

    .badge-primary {
      background: var(--primary);
      color: #fff;
    }

    .badge-soft-primary {
      background: var(--primary-light);
      color: var(--primary);
    }

    .badge-hot {
      background: var(--accent);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 3px 12px;
      border-radius: 999px;
      margin-left: 8px;
      display: inline-block;
      line-height: 1.5;
      vertical-align: 2px;
    }

    .site-header {
      background: #fff;
      border-bottom: 1px solid var(--border);
      position: relative;
      z-index: 1030;
    }

    .header-main {
      display: flex;
      align-items: center;
      gap: 24px;
      min-height: 72px;
      flex-wrap: wrap;
      padding-top: 12px;
      padding-bottom: 12px;
    }

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

    .brand-badge {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), #4aa5f0);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(43,107,224,0.3);
    }

    .brand-badge svg {
      width: 20px;
      height: 20px;
      fill: #fff;
    }

    .brand-name {
      font-size: 18px;
      font-weight: 800;
      color: var(--heading);
      letter-spacing: .5px;
      white-space: nowrap;
    }

    .header-search {
      flex: 1 1 auto;
      max-width: 40%;
      position: relative;
    }

    .header-search .search-icon {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      width: 18px;
      height: 18px;
      color: #5C7A99;
      pointer-events: none;
    }

    .header-search input {
      width: 100%;
      height: 44px;
      border: 1px solid var(--border-strong);
      border-radius: 20px;
      padding: 0 18px 0 42px;
      font-size: 14px;
      color: var(--body-text);
      background: #F5F8FC;
      transition: all .2s ease;
      outline: none;
    }

    .header-search input::placeholder {
      color: #829AB1;
    }

    .header-search input:focus {
      border-color: var(--primary);
      background: #fff;
      box-shadow: 0 0 0 3px rgba(43,107,224,0.15);
    }

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

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 500;
      color: var(--body-text);
      border-radius: 8px;
      transition: all .2s ease;
      position: relative;
    }

    .nav-link i {
      font-size: 14px;
      color: #5C7A99;
      transition: color .2s;
    }

    .nav-link:hover {
      color: var(--primary);
      background: #F5F8FC;
    }

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

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

    .navbar-toggler {
      display: none;
      width: 44px;
      height: 44px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 10px;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
      padding: 0;
      transition: border-color .2s;
    }

    .navbar-toggler:hover {
      border-color: var(--primary);
    }

    .navbar-toggler span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--heading);
      border-radius: 2px;
      transition: background .2s;
    }

    .navbar-toggler:hover span {
      background: var(--primary);
    }

    .tab-nav-wrap {
      background: #F5F8FC;
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 1020;
    }

    .tab-nav {
      display: flex;
      align-items: center;
      gap: 10px;
      padding-top: 10px;
      padding-bottom: 10px;
      flex-wrap: nowrap;
      overflow-x: auto;
    }

    .tab-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 18px;
      font-size: 14px;
      font-weight: 500;
      color: var(--body-text);
      background: #fff;
      border: 1px solid var(--primary);
      border-radius: 999px;
      white-space: nowrap;
      transition: all .2s ease;
      flex-shrink: 0;
    }

    .tab-link:hover {
      background: var(--primary-light);
      color: var(--primary);
      border-color: var(--primary);
    }

    .tab-link.active {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

    .offcanvas {
      z-index: 1080;
    }

    .offcanvas-header {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border);
    }

    .offcanvas-body {
      padding: 24px;
    }

    .offcanvas .brand-name {
      font-size: 18px;
      font-weight: 800;
      color: var(--heading);
    }

    .mobile-search .header-search {
      max-width: 100%;
      margin-bottom: 20px;
    }

    .mobile-nav {
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin-bottom: 24px;
    }

    .mobile-nav .nav-link {
      font-size: 15px;
      padding: 12px 14px;
      border-radius: 10px;
    }

    .mobile-cats {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .mobile-cats .tab-link {
      font-size: 13px;
      padding: 5px 14px;
    }

    .category-banner {
      position: relative;
      min-height: 320px;
      display: flex;
      align-items: center;
      padding: 72px 0;
      color: #fff;
      overflow: hidden;
      background: var(--dark);
    }

    .banner-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      z-index: 0;
    }

    .banner-mask {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(43,107,224,0.92) 0%, rgba(43,107,224,0.6) 55%, rgba(43,107,224,0.25) 100%);
      z-index: 1;
    }

    .banner-content {
      position: relative;
      z-index: 2;
    }

    .breadcrumb-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: rgba(255,255,255,0.72);
      margin-bottom: 18px;
    }

    .breadcrumb-nav a {
      color: rgba(255,255,255,0.78);
    }

    .breadcrumb-nav a:hover {
      color: #fff;
    }

    .breadcrumb-sep {
      color: rgba(255,255,255,0.5);
    }

    .category-banner h1 {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.2;
      color: #fff;
      margin-bottom: 18px;
      max-width: 720px;
    }

    .category-banner .banner-desc {
      font-size: 16px;
      line-height: 1.8;
      color: rgba(255,255,255,0.9);
      max-width: 640px;
      margin-bottom: 32px;
    }

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

    .feature-grid {
      background: #fff;
    }

    .feature-card {
      display: flex;
      align-items: flex-start;
      gap: 20px;
      background: #fff;
      border: 1px solid var(--border);
      border-top: 3px solid transparent;
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      height: 100%;
      transition: all .2s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      border-top-color: var(--primary);
      box-shadow: var(--shadow-lg);
    }

    .feature-icon {
      width: 56px;
      height: 56px;
      border-radius: var(--radius-lg);
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      flex-shrink: 0;
    }

    .feature-body h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--card-title);
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .feature-body p {
      font-size: 14px;
      color: #5C7A99;
      line-height: 1.7;
      margin-bottom: 0;
    }

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

    .step-item {
      position: relative;
      text-align: center;
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      padding: 40px 30px;
      height: 100%;
      transition: transform .2s ease, box-shadow .2s ease;
    }

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

    .step-num {
      font-size: 80px;
      font-weight: 800;
      line-height: 1;
      color: var(--accent);
      opacity: .9;
      margin-bottom: 18px;
      display: block;
    }

    .step-item h3 {
      font-size: 20px;
      font-weight: 600;
      color: var(--card-title);
      margin-bottom: 14px;
    }

    .step-item p {
      font-size: 15px;
      color: #5C7A99;
      line-height: 1.8;
      margin-bottom: 0;
    }

    .member-feature-section {
      background: #fff;
    }

    .feature-media {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .feature-media img {
      width: 100%;
      display: block;
      object-fit: cover;
    }

    .media-card {
      position: absolute;
      left: 20px;
      bottom: 20px;
      background: rgba(255,255,255,0.94);
      border-radius: 12px;
      padding: 14px 20px;
      box-shadow: 0 6px 18px rgba(18,38,58,0.12);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .media-card strong {
      font-size: 24px;
      font-weight: 800;
      color: var(--accent);
      line-height: 1;
    }

    .media-card span {
      font-size: 13px;
      color: var(--body-text);
      line-height: 1.4;
    }

    .feature-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .feature-list li {
      display: flex;
      gap: 14px;
      padding: 18px 0;
      border-bottom: 1px solid var(--border);
    }

    .feature-list li:last-child {
      border-bottom: none;
    }

    .feature-list i {
      font-size: 20px;
      color: var(--success);
      margin-top: 4px;
    }

    .feature-list strong {
      display: block;
      font-size: 16px;
      font-weight: 600;
      color: var(--card-title);
      margin-bottom: 4px;
    }

    .feature-list span {
      font-size: 14px;
      color: #5C7A99;
      line-height: 1.7;
    }

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

    .plan-table-wrap {
      background: #fff;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-sm);
      overflow-x: auto;
    }

    .plan-table {
      width: 100%;
      min-width: 680px;
      border-collapse: collapse;
      margin: 0;
    }

    .plan-table th,
    .plan-table td {
      padding: 22px 24px;
      text-align: center;
      border-bottom: 1px solid var(--border);
      font-size: 15px;
    }

    .plan-table thead th {
      background: #F0F4F9;
      color: var(--h2-color);
      font-size: 16px;
      font-weight: 600;
    }

    .plan-table tbody tr:last-child td {
      border-bottom: none;
    }

    .plan-table td:first-child {
      text-align: left;
      font-weight: 500;
      color: var(--card-title);
    }

    .plan-table td {
      color: var(--body-text);
    }

    .plan-table .highlight-col {
      background: linear-gradient(180deg, #EAF1FE 0%, #F5F8FC 100%);
      border-left: 1px solid #E6EBF2;
      border-right: 1px solid #E6EBF2;
      color: var(--primary);
      font-weight: 600;
    }

    .plan-table thead .highlight-col {
      background: #EAF1FE;
      color: var(--primary);
    }

    .plan-note {
      margin-top: 20px;
      font-size: 13px;
      color: var(--muted);
      text-align: center;
    }

    .faq-section {
      background: #fff;
    }

    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--body-bg);
      border: 1px solid var(--border);
      border-radius: 12px;
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color .2s, box-shadow .2s;
    }

    .faq-item.active {
      border-color: var(--primary);
      box-shadow: 0 4px 16px rgba(43,107,224,0.08);
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 14px;
      background: transparent;
      border: none;
      padding: 20px 22px;
      text-align: left;
      font-size: 16px;
      font-weight: 600;
      color: var(--card-title);
      cursor: pointer;
      transition: color .2s;
    }

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

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

    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: #E6EBF2;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      flex-shrink: 0;
      transition: all .25s ease;
    }

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

    .faq-answer {
      padding: 0 22px 20px;
      font-size: 14px;
      color: #5C7A99;
      line-height: 1.8;
      display: none;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    .member-cta {
      background: linear-gradient(120deg, #2B6BE0 0%, #1D4FBB 100%);
      padding: 72px 0;
      text-align: center;
      color: #fff;
    }

    .member-cta h2 {
      font-size: 30px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .member-cta p {
      font-size: 16px;
      color: rgba(255,255,255,0.85);
      margin-bottom: 28px;
    }

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

    .modal-content {
      border: none;
      border-radius: var(--radius-lg);
      box-shadow: 0 20px 50px rgba(11,29,48,0.2);
    }

    .modal-header {
      padding: 22px 24px;
      border-bottom: 1px solid var(--border);
    }

    .modal-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--h2-color);
    }

    .modal-header .btn-close {
      background: transparent;
      font-size: 16px;
      opacity: .7;
      transition: opacity .2s;
    }

    .modal-header .btn-close:hover {
      opacity: 1;
    }

    .modal-body {
      padding: 24px;
    }

    .form-label {
      font-size: 14px;
      font-weight: 500;
      color: var(--body-text);
      margin-bottom: 8px;
      display: block;
    }

    .form-control,
    .form-select {
      height: 44px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-strong);
      padding: 0 14px;
      font-size: 14px;
      color: var(--body-text);
      background-color: #fff;
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .form-control:focus,
    .form-select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(43,107,224,0.15);
    }

    .form-control::placeholder {
      color: #9AAEBD;
    }

    .site-footer {
      background: var(--dark);
      color: #A8B8C9;
      padding: 72px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 48px;
    }

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

    .footer-brand .brand-name {
      color: #fff;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: #9AAEBD;
      margin: 0;
      max-width: 300px;
    }

    .footer-col h5 {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }

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

    .footer-col ul a {
      font-size: 14px;
      color: #9AAEBD;
      transition: color .2s;
    }

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

    .footer-contact div {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      margin-bottom: 10px;
      color: #9AAEBD;
    }

    .footer-contact i {
      width: 16px;
      color: var(--primary);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding: 22px 0;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
      color: #7A8FA3;
    }

    .footer-bottom span {
      display: inline-block;
    }

    @media (max-width: 991.98px) {
      .header-nav {
        display: none;
      }

      .navbar-toggler {
        display: inline-flex;
        margin-left: auto;
      }

      .header-search {
        order: 3;
        max-width: 100%;
        width: 100%;
      }

      .tab-nav-wrap {
        display: none;
      }

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

    @media (max-width: 767.98px) {
      .category-banner {
        min-height: 280px;
        padding: 52px 0;
      }

      .category-banner h1 {
        font-size: 32px;
      }

      .section-pad {
        padding: 56px 0;
      }

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

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

      .feature-card {
        padding: 22px;
      }

      .step-item {
        padding: 32px 24px;
        margin-bottom: 20px;
      }

      .step-num {
        font-size: 64px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .member-cta {
        padding: 52px 0;
      }

      .member-cta h2 {
        font-size: 24px;
      }
    }

    @media (max-width: 575.98px) {
      .category-banner h1 {
        font-size: 28px;
      }

      .category-banner .banner-desc {
        font-size: 14px;
      }

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

      .header-main {
        gap: 12px;
      }

      .brand-name {
        font-size: 16px;
      }

      .brand-badge {
        width: 36px;
        height: 36px;
      }

      .section-head h2 {
        font-size: 24px;
      }

      .feature-card {
        flex-direction: column;
        gap: 14px;
      }

      .feature-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
      }

      .plan-table th,
      .plan-table td {
        padding: 16px 14px;
        font-size: 14px;
      }

      .faq-question {
        padding: 16px 18px;
        font-size: 15px;
      }

      .faq-answer {
        padding: 0 18px 18px;
      }

      .member-cta h2 {
        font-size: 22px;
      }

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

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