/* roulang page: index */
:root {
  --primary: #FF5C28;
  --primary-end: #F94475;
  --primary-grad: linear-gradient(135deg, #FF5C28, #F94475);
  --dark: #14181F;
  --dark-soft: #1C212B;
  --bg: #F5F4F0;
  --card-bg: #FFFFFF;
  --border: #ECE8E2;
  --success: #52B788;
  --gold: #FFD166;
  --text: #22262E;
  --text-light: #6B7280;
  --text-muted: #9CA3AF;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 16px rgba(20,24,31,0.06);
  --shadow: 0 12px 32px rgba(20,24,31,0.08);
  --shadow-hover: 0 20px 44px rgba(255,92,40,0.16);
  --container: 1200px;
  --space-lg: 96px;
  --space-md: 64px;
  --space-sm: 32px;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
input {
  font-family: inherit;
  outline: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
}

/* Header */
.site-header {
  background: var(--dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 24px rgba(0,0,0,0.25);
}
.header-top {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 4px 12px rgba(255,92,40,0.35);
}
.logo-text {
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.search-box {
  flex: 1;
  max-width: 480px;
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50px;
  padding: 0 20px;
  height: 42px;
  gap: 10px;
  transition: all 0.3s ease;
}
.search-box:focus-within {
  border-color: var(--primary);
  background: rgba(255,255,255,0.15);
  box-shadow: 0 0 0 3px rgba(255,92,40,0.2);
}
.search-box i {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
}
.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 14px;
  height: 100%;
}
.search-box input::placeholder {
  color: rgba(255,255,255,0.4);
}
.header-cta {
  flex-shrink: 0;
  display: flex;
  gap: 12px;
  align-items: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 28px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  line-height: 1.4;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary-grad);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255,92,40,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,92,40,0.4);
}
.btn-primary:active {
  transform: translateY(1px);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.5);
}
.btn-outline:hover {
  border-color: #fff;
  background: rgba(255,255,255,0.08);
}
.btn-gold {
  background: var(--gold);
  color: var(--dark);
  box-shadow: 0 4px 16px rgba(255,209,102,0.35);
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255,209,102,0.5);
}
.btn-lg {
  padding: 16px 36px;
  font-size: 15px;
}
.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}
.mobile-toggle {
  display: none;
  color: #fff;
  font-size: 22px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(255,255,255,0.1);
}
.header-nav {
  border-top: 1px solid rgba(255,255,255,0.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 48px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-inner::-webkit-scrollbar {
  display: none;
}
.nav-link {
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 50px;
  white-space: nowrap;
  transition: all 0.3s ease;
}
.nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}
.nav-link.active {
  color: #fff;
  background: var(--primary-grad);
  box-shadow: 0 4px 12px rgba(255,92,40,0.3);
}
@media (max-width: 768px) {
  .header-top {
    height: 60px;
    gap: 12px;
  }
  .logo-text {
    font-size: 17px;
  }
  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
  .header-cta .btn {
    display: none;
  }
  .mobile-toggle {
    display: flex;
    flex-shrink: 0;
  }
  .search-box {
    max-width: none;
  }
}

/* Mobile search row */
.mobile-search {
  display: none;
  padding: 12px 16px;
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.mobile-search .search-box {
  max-width: none;
}
.mobile-menu {
  display: none;
  padding: 8px 16px 16px;
  background: var(--dark);
}
.mobile-menu .nav-link {
  display: block;
  padding: 12px 16px;
  border-radius: 10px;
  color: rgba(255,255,255,0.8);
}
.mobile-menu .nav-link.active {
  background: var(--primary-grad);
}
@media (max-width: 768px) {
  .mobile-search.show {
    display: block;
  }
  .mobile-menu.show {
    display: block;
  }
  .header-nav {
    display: none;
  }
}

/* Hero */
.hero {
  position: relative;
  background: var(--dark);
  color: #fff;
  overflow: hidden;
}
.hero-bg-layer {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.45;
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,24,31,0.35) 0%, rgba(20,24,31,0.75) 50%, var(--dark) 100%);
  z-index: 1;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 100px;
}
.hero-left {
  max-width: 600px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 50px;
  background: rgba(255,209,102,0.15);
  border: 1px solid rgba(255,209,102,0.3);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-tag i {
  font-size: 12px;
}
.hero h1 {
  font-size: 2.5rem;
  line-height: 1.25;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero h1 .highlight {
  background: var(--primary-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-right {
  position: relative;
}
.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.1);
}
.hero-image-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,92,40,0.15), transparent 60%);
  z-index: 1;
}
.hero-image-wrap img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}
.hero-badges {
  position: absolute;
  bottom: -32px;
  left: 24px;
  right: 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  z-index: 3;
}
.badge-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  text-align: center;
  box-shadow: var(--shadow);
  color: var(--dark);
}
.badge-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  display: block;
}
.badge-label {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 2px;
  display: block;
}
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 80px;
    padding-top: 60px;
    padding-bottom: 80px;
  }
  .hero-left {
    max-width: 100%;
  }
  .hero-right {
    max-width: 560px;
  }
}
@media (max-width: 640px) {
  .hero h1 {
    font-size: 1.8rem;
  }
  .hero-badges {
    position: static;
    margin-top: 20px;
    grid-template-columns: repeat(3, 1fr);
  }
  .hero-image-wrap img {
    height: 220px;
  }
}

/* Section common */
.section {
  padding: var(--space-lg) 0;
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
  color: var(--dark);
  letter-spacing: 0.5px;
}
.section-sub {
  text-align: center;
  color: var(--text-light);
  font-size: 15px;
  max-width: 600px;
  margin: 0 auto 52px;
  line-height: 1.7;
}
@media (max-width: 768px) {
  .section {
    padding: var(--space-md) 0;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .section-sub {
    margin-bottom: 36px;
  }
}

/* Level section */
.level-section {
  background: var(--bg);
}
.level-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
}
.level-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: all 0.35s ease;
}
.level-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(255,92,40,0.2);
}
.level-card.level-left {
  border-top: 4px solid var(--success);
}
.level-card.level-right {
  border-top: 4px solid var(--gold);
}
.level-card.level-center {
  border-top: 4px solid transparent;
  border-image: linear-gradient(90deg, var(--primary), var(--primary-end)) 1;
  padding: 48px 36px;
  background: linear-gradient(180deg, #fff, #FFF9F5);
  position: relative;
}
.level-card.level-center::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary-grad);
  border-radius: 4px 4px 0 0;
}
.level-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}
.level-left .level-icon {
  background: rgba(82,183,136,0.12);
  color: var(--success);
}
.level-right .level-icon {
  background: rgba(255,209,102,0.15);
  color: #D4A017;
}
.level-center .level-icon {
  background: rgba(255,92,40,0.12);
  color: var(--primary);
}
.level-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
}
.level-left .level-badge {
  background: rgba(82,183,136,0.12);
  color: var(--success);
}
.level-right .level-badge {
  background: rgba(255,209,102,0.18);
  color: #D4A017;
}
.level-center .level-badge {
  background: var(--primary-grad);
  color: #fff;
}
.level-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.level-center h3 {
  font-size: 1.7rem;
}
.level-card p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 24px;
}
.level-stat {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark);
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.level-stat span {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-light);
}
.level-stat.highlight {
  color: var(--primary);
}
@media (max-width: 1024px) {
  .level-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .level-card.level-center {
    order: -1;
    padding: 40px 32px;
  }
}

/* Compare section */
.compare-section {
  background: var(--card-bg);
}
.compare-wrapper {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
}
.compare-table th,
.compare-table td {
  padding: 18px 24px;
  text-align: center;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.compare-table thead th {
  background: var(--dark);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 20px 24px;
}
.compare-table thead th:first-child {
  text-align: left;
  border-radius: 0;
}
.compare-table thead th.recommended {
  background: linear-gradient(180deg, #FF5C28, #F94475);
  position: relative;
}
.compare-table thead th .rec-tag {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: var(--dark);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 12px;
  border-radius: 50px;
  white-space: nowrap;
}
.compare-table tbody tr:last-child td {
  border-bottom: none;
}
.compare-table tbody tr:hover {
  background: rgba(255,92,40,0.03);
}
.compare-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--text);
}
.compare-table td.recommended-col {
  background: rgba(255,92,40,0.06);
  border-left: 1px solid rgba(255,92,40,0.15);
  border-right: 1px solid rgba(255,92,40,0.15);
}
.compare-table tbody tr:last-child td.recommended-col {
  border-bottom: none;
}
.compare-icon-yes {
  color: var(--success);
  font-size: 18px;
}
.compare-icon-no {
  color: var(--text-muted);
  font-size: 16px;
}
.compare-text {
  font-size: 13px;
  color: var(--text);
  font-weight: 500;
}
@media (max-width: 768px) {
  .compare-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .compare-table {
    min-width: 680px;
  }
}

/* Preview section */
.preview-section {
  background: var(--dark);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.preview-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}
.preview-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.preview-text h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.preview-text p {
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
  margin-bottom: 32px;
  font-size: 15px;
}
.preview-features {
  list-style: none;
  margin-bottom: 32px;
  display: grid;
  gap: 12px;
}
.preview-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.85);
  font-size: 14px;
}
.preview-features li i {
  color: var(--gold);
  font-size: 14px;
}
.preview-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.preview-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #1E232D;
  border: 1px solid rgba(255,255,255,0.1);
  aspect-ratio: 3/4;
}
.preview-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(3px) brightness(0.6);
}
.preview-card .member-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: var(--gold);
  color: var(--dark);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}
.preview-card .preview-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(20,24,31,0.4);
}
.preview-card .preview-overlay i {
  font-size: 32px;
  color: rgba(255,255,255,0.7);
}
.preview-card .preview-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
}
@media (max-width: 1024px) {
  .preview-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}
@media (max-width: 640px) {
  .preview-cards {
    grid-template-columns: 1fr 1fr;
  }
}

/* News section */
.news-section {
  background: var(--bg);
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}
.section-head h2 {
  font-size: 1.7rem;
  font-weight: 700;
}
.more-link {
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}
.more-link:hover {
  gap: 10px;
}
.news-list {
  display: grid;
  gap: 16px;
}
.news-item {
  display: flex;
  gap: 24px;
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}
.news-item:hover {
  box-shadow: var(--shadow);
  border-color: rgba(255,92,40,0.2);
  transform: translateY(-2px);
}
.news-date {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: var(--dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.news-day {
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
}
.news-month {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}
.news-content {
  flex: 1;
}
.news-cat {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 50px;
  background: rgba(255,92,40,0.1);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 6px;
}
.news-content h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text);
}
.news-content p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border);
}
@media (max-width: 640px) {
  .news-item {
    flex-direction: column;
    gap: 14px;
  }
  .news-date {
    width: 56px;
    height: 56px;
  }
}

/* FAQ section */
.faq-section {
  background: var(--card-bg);
}
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 8px 24px;
  border: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 0;
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  text-align: left;
  transition: color 0.3s ease;
}
.faq-q:hover {
  color: var(--primary);
}
.faq-q .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255,92,40,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--primary);
  transition: all 0.3s ease;
}
.faq-item.active .faq-icon {
  background: var(--primary-grad);
  color: #fff;
  transform: rotate(45deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.faq-a p {
  padding: 0 4px 22px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

/* CTA section */
.cta-section {
  position: relative;
  padding: 80px 0;
  background: var(--dark);
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}
.cta-inner {
  position: relative;
  z-index: 2;
}
.cta-inner h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.cta-inner p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  font-size: 16px;
}
@media (max-width: 640px) {
  .cta-inner h2 {
    font-size: 1.5rem;
  }
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
  padding: 48px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
}
.footer-logo i {
  font-size: 20px;
  color: var(--primary);
}
.footer-logo span {
  font-size: 18px;
  font-weight: 800;
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-links a {
  color: rgba(255,255,255,0.6);
  font-size: 14px;
}
.footer-links a:hover {
  color: #fff;
}
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
}
.footer-bottom .domain {
  color: rgba(255,255,255,0.3);
}
@media (max-width: 640px) {
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Focus states */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(255,92,40,0.4);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* roulang page: article */
:root {
    --primary: #FF5C28;
    --primary-end: #F94475;
    --dark: #14181F;
    --bg: #F5F4F0;
    --card: #FFFFFF;
    --border: #ECE8E2;
    --green: #52B788;
    --gold: #FFD166;
    --text: #1F2328;
    --text-light: #6B7280;
    --radius-lg: 20px;
    --radius-sm: 12px;
    --shadow: 0 12px 32px rgba(20,24,31,0.08);
    --shadow-hover: 0 20px 44px rgba(255,92,40,0.16);
    --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }

.site-container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    padding: 14px 28px;
    border: none;
    transition: all .3s ease;
    line-height: 1;
}
.btn i { font-size: 15px; }
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-end));
    color: #fff;
    box-shadow: 0 8px 20px rgba(255,92,40,0.2);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(255,92,40,0.35);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.7);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.12);
    border-color: #fff;
}
.btn-gold {
    background: var(--gold);
    color: var(--dark);
    box-shadow: 0 8px 24px rgba(255,209,102,0.35);
}
.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 36px rgba(255,209,102,0.5);
}
.btn-block { width: 100%; }
.btn-lg { padding: 16px 40px; font-size: 16px; }

.site-header {
    background: var(--dark);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 24px rgba(0,0,0,0.18);
}
.header-top {
    display: flex;
    align-items: center;
    gap: 28px;
    height: 72px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-icon {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-end));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 17px;
    box-shadow: 0 4px 14px rgba(255,92,40,0.4);
}
.logo-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: linear-gradient(90deg, #fff, #FFE0D6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.search-box {
    flex: 1;
    display: flex;
    align-items: center;
    background: #1E242E;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 999px;
    padding: 0 18px;
    height: 44px;
    color: #8A93A3;
    transition: border-color .3s, box-shadow .3s;
    max-width: 560px;
    margin: 0 auto;
}
.search-box:hover { border-color: rgba(255,255,255,0.25); }
.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255,92,40,0.2);
    color: var(--primary);
}
.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    font-size: 14px;
    padding: 0 12px;
    height: 100%;
}
.search-box input::placeholder { color: #596173; }
.header-cta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.header-cta .btn { padding: 11px 24px; font-size: 14px; }
.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 22px;
    padding: 6px 4px;
}
.mobile-search {
    display: none;
    padding: 0 20px 16px;
}
.mobile-search .search-box { max-width: 100%; }
.header-nav {
    border-top: 1px solid rgba(255,255,255,0.06);
    background: rgba(0,0,0,0.18);
}
.nav-inner {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 48px;
    overflow-x: auto;
    scrollbar-width: none;
}
.nav-inner::-webkit-scrollbar { display: none; }
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #B6BDCA;
    font-size: 14px;
    font-weight: 500;
    padding: 9px 16px;
    border-radius: 999px;
    transition: all .25s ease;
    white-space: nowrap;
}
.nav-link i { font-size: 14px; }
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-link.active {
    color: var(--primary);
    background: rgba(255,92,40,0.15);
}
.mobile-menu {
    display: none;
    background: var(--dark);
    padding: 8px 20px 24px;
}
.mobile-menu .nav-link {
    display: flex;
    width: 100%;
    padding: 13px 12px;
    font-size: 15px;
}
.mobile-menu .nav-link + .nav-link { border-top: 1px solid rgba(255,255,255,0.06); }
.mobile-menu .btn { margin-top: 16px; }
.mobile-menu.open,
.mobile-search.open { display: block; }
.mobile-toggle.open i::before { content: "\f00d"; }

.breadcrumb-section {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--text-light);
}
.breadcrumb a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-light);
    transition: color .2s;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-size: 11px; color: #C0C4CC; }
.breadcrumb .current {
    color: var(--text);
    font-weight: 600;
    max-width: 320px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-main {
    padding: 56px 0 24px;
}
.article-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 48px 56px;
    max-width: 920px;
    margin: 0 auto;
}
.article-header {
    text-align: center;
    margin-bottom: 36px;
}
.article-tag {
    display: inline-block;
    background: rgba(255,92,40,0.12);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 999px;
    margin-bottom: 18px;
    border: 1px solid rgba(255,92,40,0.18);
}
.article-title {
    font-size: 2.1rem;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 20px;
    color: var(--text);
}
.article-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
    font-size: 14px;
    color: var(--text-light);
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.article-body {
    max-width: 720px;
    margin: 0 auto;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.article-content {
    font-size: 1rem;
    line-height: 1.8;
    color: #2D3138;
}
.article-content p { margin-bottom: 24px; }
.article-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 44px 0 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
    color: #1F242B;
}
.article-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 32px 0 14px;
    color: #1F242B;
}
.article-content img {
    border-radius: 16px;
    margin: 28px auto;
    box-shadow: var(--shadow);
}
.article-content blockquote {
    border-left: 4px solid var(--primary);
    background: #FDF6F3;
    padding: 18px 24px;
    border-radius: 0 14px 14px 0;
    margin: 28px 0;
    color: #4A4E57;
    font-style: italic;
}
.article-content ul,
.article-content ol {
    margin: 20px 0;
    padding-left: 26px;
    line-height: 1.9;
}
.article-content li { margin-bottom: 8px; }
.article-content a { color: var(--primary); border-bottom: 1px solid rgba(255,92,40,0.3); }
.article-content a:hover { border-bottom-color: var(--primary); }
.article-content hr {
    border: none;
    height: 1px;
    background: var(--border);
    margin: 36px 0;
}

.article-empty {
    text-align: center;
    padding: 60px 0 40px;
}
.article-empty i {
    font-size: 48px;
    color: #C0C4CC;
    margin-bottom: 20px;
}
.article-empty p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 24px;
}

.related-section {
    padding: 56px 0 24px;
}
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}
.section-head h2 {
    font-size: 1.6rem;
    font-weight: 700;
    position: relative;
    padding-left: 16px;
}
.section-head h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 24px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--primary), var(--primary-end));
}
.section-head .text-link {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color .2s;
}
.section-head .text-link:hover { color: var(--primary-end); }
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    background: var(--card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: box-shadow .3s, border-color .3s;
}
.related-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(255,92,40,0.25);
}
.related-thumb {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #E8E5DF;
}
.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.related-card:hover .related-thumb img { transform: scale(1.04); }
.related-info { padding: 20px 24px 22px; }
.related-info h3 {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--text);
}
.related-info span {
    font-size: 13px;
    color: var(--text-light);
}

.back-links {
    max-width: 920px;
    margin: 24px auto 0;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}
.back-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
    transition: color .2s;
}
.back-links a:hover { color: var(--primary); }

.footer-cta {
    background: linear-gradient(135deg, #14181F 0%, #231A1D 100%);
    border-radius: 28px;
    margin: 56px 32px 64px;
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.footer-cta::before {
    content: "";
    position: absolute;
    top: -80px;
    right: -80px;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(255,92,40,0.25), transparent 70%);
}
.footer-cta::after {
    content: "";
    position: absolute;
    bottom: -90px;
    left: -60px;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(255,209,102,0.18), transparent 70%);
}
.footer-cta .site-container { position: relative; z-index: 2; }
.footer-cta h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}
.footer-cta p {
    color: #AAB2BF;
    font-size: 1rem;
    margin-bottom: 28px;
}

.site-footer {
    background: var(--dark);
    color: #8A93A3;
    padding: 56px 0 32px;
}
.footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}
.footer-logo i {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--primary), var(--primary-end));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 15px;
}
.footer-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    align-items: center;
}
.footer-links a {
    font-size: 14px;
    color: #8A93A3;
    transition: color .25s;
}
.footer-links a:hover { color: var(--primary); }
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-top: 24px;
    font-size: 13px;
    flex-wrap: wrap;
}
.footer-bottom .domain {
    color: #5A616F;
    letter-spacing: 0.5px;
}

@media (max-width: 1024px) {
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .article-card { padding: 40px; }
}

@media (max-width: 768px) {
    .site-container { padding: 0 20px; }
    .header-top { height: 64px; gap: 14px; }
    .search-box { display: none; }
    .mobile-search { display: none; }
    .mobile-search.open { display: block; }
    .mobile-toggle { display: block; }
    .header-cta .btn { display: none; }
    .header-nav { display: none; }
    .header-cta { margin-left: auto; }
    .logo-text { font-size: 17px; }
    .breadcrumb-section { padding: 12px 0; }
    .breadcrumb .current { max-width: 180px; }
    .article-main { padding: 32px 0 16px; }
    .article-card { padding: 28px 20px; border-radius: 16px; }
    .article-title { font-size: 1.5rem; }
    .article-meta { gap: 14px; font-size: 13px; }
    .related-section { padding: 36px 0 16px; }
    .related-grid { grid-template-columns: 1fr; }
    .section-head h2 { font-size: 1.3rem; }
    .footer-cta { margin: 32px 16px 40px; padding: 40px 24px; border-radius: 20px; }
    .footer-cta h2 { font-size: 1.4rem; }
    .footer-top { flex-direction: column; align-items: flex-start; }
    .footer-links { gap: 18px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .back-links { gap: 20px; }
}

@media (max-width: 520px) {
    .site-container { padding: 0 16px; }
    .article-card { padding: 24px 16px; }
    .article-title { font-size: 1.3rem; }
    .article-meta { flex-direction: column; gap: 8px; align-items: center; }
    .related-grid { gap: 16px; }
    .related-info { padding: 16px 18px; }
}

/* roulang page: category1 */
:root {
  --primary: #FF5C28;
  --primary-end: #F94475;
  --carbon: #14181F;
  --ink: #0E1117;
  --cream: #F5F4F0;
  --card: #FFFFFF;
  --line: #ECE8E2;
  --gold: #FFD166;
  --green: #52B788;
  --text-main: #1F2430;
  --text-body: #4A4F58;
  --text-muted: #8A9099;
  --radius-lg: 20px;
  --radius-md: 12px;
  --shadow-sm: 0 12px 32px rgba(20, 24, 31, 0.08);
  --shadow-hover: 0 20px 44px rgba(255, 92, 40, 0.16);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; background: var(--cream); color: var(--text-main); line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease; }
ul, ol { list-style: none; }
button, input, select { font-family: inherit; }
h1, h2, h3, h4, h5 { line-height: 1.35; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 800; }
h3 { font-size: clamp(1.15rem, 2vw, 1.35rem); font-weight: 700; }
p { color: var(--text-body); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section { padding: 96px 0; }
.section-sm { padding: 56px 0; }
.section-title { font-size: clamp(1.7rem, 3.2vw, 2.2rem); font-weight: 800; margin-bottom: 16px; letter-spacing: -0.02em; }
.section-sub { font-size: 1rem; color: var(--text-body); max-width: 640px; line-height: 1.8; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 44px; flex-wrap: wrap; }
.section-head .section-sub { margin-bottom: 0; }
.muted { color: var(--text-muted); }
.small { font-size: .875rem; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-size: .75rem; font-weight: 700; padding: 4px 14px; border-radius: 999px; letter-spacing: .02em; }
.badge-gold { background: rgba(255, 209, 102, .16); color: #B47B0C; border: 1px solid rgba(255, 209, 102, .5); }
.badge-green { background: rgba(82, 183, 136, .12); color: #2E7D5A; border: 1px solid rgba(82, 183, 136, .3); }
.badge-orange { background: rgba(255, 92, 40, .1); color: #E64A1E; border: 1px solid rgba(255, 92, 40, .28); }

/* === Buttons === */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 999px; font-weight: 600; font-size: .9375rem; padding: 14px 30px; border: none; cursor: pointer; transition: all .28s ease; white-space: nowrap; }
.btn-primary { background: linear-gradient(135deg, #FF5C28, #F94475); color: #fff; box-shadow: 0 8px 22px rgba(255, 92, 40, .22); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(255, 92, 40, .36); }
.btn-primary:active { transform: translateY(-1px); }
.btn-outline { background: transparent; border: 1.5px solid rgba(255,255,255,.75); color: #fff; }
.btn-outline:hover { background: rgba(255,92,40,.14); border-color: #FF5C28; }
.btn-outline:hover i { color: #FF5C28; }
.btn-dark-outline { background: transparent; border: 1.5px solid rgba(20,24,31,.35); color: var(--text-main); }
.btn-dark-outline:hover { border-color: #FF5C28; color: #E64A1E; background: rgba(255,92,40,.04); }
.btn-gold { background: linear-gradient(135deg, #FFD166, #F6B73C); color: #14181F; box-shadow: 0 8px 22px rgba(255, 209, 102, .3); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(255, 209, 102, .42); }
.btn-block { width: 100%; }
.btn-lg { padding: 16px 38px; font-size: 1rem; }

/* === Header === */
.site-header { background: var(--carbon); position: sticky; top: 0; z-index: 1000; box-shadow: 0 4px 24px rgba(0,0,0,.18); }
.header-top { display: flex; align-items: center; gap: 28px; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 1.2rem; font-weight: 800; letter-spacing: -.01em; flex-shrink: 0; }
.logo-icon { width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(135deg, #FF5C28, #F94475); display: flex; align-items: center; justify-content: center; font-size: 1.05rem; color: #fff; box-shadow: 0 6px 16px rgba(255,92,40,.3); }
.logo-text { white-space: nowrap; }
.search-box { flex: 1; max-width: 580px; position: relative; }
.search-box i { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: .875rem; pointer-events: none; transition: color .25s ease; }
.search-box input { width: 100%; height: 44px; border-radius: 22px; background: #1D222B; border: 1px solid rgba(255,255,255,.12); color: #fff; padding: 0 44px 0 18px; font-size: .9375rem; outline: none; transition: border-color .25s ease, box-shadow .25s ease, background .25s ease; }
.search-box input::placeholder { color: #7B828C; }
.search-box input:focus { border-color: #FF5C28; background: #171C24; box-shadow: 0 0 0 4px rgba(255,92,40,.14); }
.search-box:focus-within i { color: #FF5C28; }
.header-cta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.header-cta .btn { padding: 11px 22px; font-size: .875rem; }
.mobile-toggle { display: none; width: 42px; height: 42px; border-radius: 12px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); color: #fff; font-size: 1.1rem; align-items: center; justify-content: center; cursor: pointer; }
.mobile-toggle:hover { background: rgba(255,92,40,.18); border-color: rgba(255,92,40,.3); }
.header-nav { background: var(--ink); border-top: 1px solid rgba(255,255,255,.05); }
.nav-inner { display: flex; align-items: center; gap: 4px; height: 48px; overflow-x: auto; scrollbar-width: none; }
.nav-inner::-webkit-scrollbar { display: none; }
.nav-link { display: inline-flex; align-items: center; gap: 8px; padding: 0 18px; height: 36px; border-radius: 8px; color: #C2C7CF; font-size: .875rem; font-weight: 500; white-space: nowrap; transition: all .25s ease; }
.nav-link i { font-size: .8rem; opacity: .7; }
.nav-link:hover { color: #fff; background: rgba(255,255,255,.05); }
.nav-link.active { color: #fff; background: linear-gradient(135deg, rgba(255,92,40,.22), rgba(249,68,117,.18)); box-shadow: inset 0 0 0 1px rgba(255,92,40,.2); }
.mobile-search { display: none; padding: 0 16px 12px; }
.mobile-search .search-box { max-width: 100%; width: 100%; }
.mobile-search .search-box input { background: #1D222B; }
.mobile-menu { display: none; background: var(--ink); border-top: 1px solid rgba(255,255,255,.05); padding: 16px; flex-direction: column; gap: 6px; }
.mobile-menu .nav-link { padding: 14px 16px; height: auto; font-size: .9375rem; border-radius: 12px; width: 100%; }
.mobile-menu .btn { margin-top: 8px; }
.mobile-menu.open { display: flex; }

/* === Page Hero === */
.cat-hero { position: relative; background-size: cover; background-position: center; padding: 96px 0 88px; color: #fff; isolation: isolate; }
.cat-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(105deg, rgba(14,17,23,.94) 0%, rgba(14,17,23,.82) 45%, rgba(14,17,23,.45) 100%); z-index: -1; }
.cat-hero .hero-tag { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,92,40,.18); border: 1px solid rgba(255,92,40,.35); color: #FFB39A; font-size: .8rem; font-weight: 700; padding: 6px 18px; border-radius: 999px; margin-bottom: 20px; backdrop-filter: blur(8px); }
.cat-hero h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); font-weight: 800; margin-bottom: 18px; letter-spacing: -.02em; color: #fff; max-width: 780px; }
.cat-hero h1 span { background: linear-gradient(135deg, #FF8A5C, #FFD166); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.cat-hero p.lead { font-size: 1.05rem; color: rgba(255,255,255,.82); max-width: 640px; line-height: 1.9; margin-bottom: 32px; }
.cat-hero .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.cat-hero .hero-metrics { display: flex; gap: 20px; margin-top: 48px; flex-wrap: wrap; }
.hero-metric { display: flex; align-items: flex-start; gap: 12px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(10px); border-radius: 16px; padding: 16px 22px; min-width: 150px; }
.hero-metric .metric-icon { width: 40px; height: 40px; border-radius: 10px; background: linear-gradient(135deg, rgba(255,92,40,.9), rgba(249,68,117,.9)); display: flex; align-items: center; justify-content: center; font-size: .95rem; color: #fff; flex-shrink: 0; }
.hero-metric .metric-num { font-size: 1.4rem; font-weight: 800; color: #fff; line-height: 1.2; }
.hero-metric .metric-label { font-size: .75rem; color: rgba(255,255,255,.65); }

/* === Cards === */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); transition: all .3s ease; overflow: hidden; }
.card:hover { box-shadow: var(--shadow-hover); border-color: rgba(255,92,40,.22); transform: translateY(-4px); }
.card-pad { padding: 24px; }
.card-cover { position: relative; overflow: hidden; }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.card:hover .card-cover img { transform: scale(1.04); }
.card-cover .cover-tag { position: absolute; top: 14px; left: 14px; }
.card-body { padding: 22px 24px 24px; }
.card-body h3 { margin-bottom: 10px; font-size: 1.15rem; font-weight: 700; }
.card-body p { font-size: .9375rem; color: var(--text-body); line-height: 1.8; }
.card-meta { display: flex; align-items: center; gap: 14px; font-size: .8rem; color: var(--text-muted); margin-top: 16px; }

/* === Tier Cards === */
.tier-grid { display: grid; grid-template-columns: 1fr 1.25fr 1fr; gap: 24px; align-items: stretch; }
.tier-card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 36px 30px; box-shadow: var(--shadow-sm); transition: all .3s ease; }
.tier-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: rgba(255,92,40,.22); }
.tier-card.featured { background: linear-gradient(135deg, #14181F, #1D222B); color: #fff; border: none; padding: 44px 34px; transform: scale(1.02); box-shadow: 0 24px 60px rgba(20,24,31,.3); }
.tier-card.featured:hover { transform: scale(1.02) translateY(-4px); box-shadow: 0 28px 68px rgba(255,92,40,.24); }
.tier-card.featured p, .tier-card.featured li { color: rgba(255,255,255,.78); }
.tier-card .tier-icon { width: 52px; height: 52px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 18px; }
.tier-card:not(.featured) .tier-icon { background: rgba(255,92,40,.1); color: #E64A1E; }
.tier-card.featured .tier-icon { background: linear-gradient(135deg, #FF5C28, #F94475); color: #fff; box-shadow: 0 10px 26px rgba(255,92,40,.4); }
.tier-card .tier-name { font-size: 1.3rem; font-weight: 800; margin-bottom: 6px; }
.tier-card .tier-desc { font-size: .9375rem; margin-bottom: 22px; line-height: 1.75; }
.tier-card .tier-list li { display: flex; align-items: center; gap: 10px; font-size: .875rem; padding: 7px 0; }
.tier-card .tier-list i { color: var(--green); font-size: .78rem; flex-shrink: 0; }
.tier-card.featured .tier-list i { color: #FFD166; }
.tier-card .tier-note { position: absolute; top: 18px; right: 18px; }

/* === Compare Table === */
.compare-table { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow-sm); }
.compare-row { display: contents; }
.compare-cell { padding: 18px 22px; border-top: 1px solid var(--line); font-size: .9375rem; display: flex; align-items: center; gap: 8px; transition: background .2s ease; }
.compare-row:first-child .compare-cell { border-top: none; }
.compare-cell:not(:first-child) { border-left: 1px solid var(--line); }
.compare-cell.featured-col { background: rgba(255,92,40,.045); }
.compare-cell.featured-col .compare-head { color: #E64A1E; }
.compare.head-row .compare-cell { background: #F9F8F4; font-weight: 700; padding: 18px 22px; }
.compare-row:hover .compare-cell { background: rgba(255,92,40,.03); }
.compare-row:hover .compare-cell.featured-col { background: rgba(255,92,40,.08); }
.compare-info { font-size: .78rem; color: var(--text-muted); display: block; font-weight: 400; }
.compare-status { font-size: .9375rem; color: var(--text-main); }
.compare-status .yes { color: var(--green); font-weight: 700; }
.compare-status .no { color: #C0C4CC; }
.feat-tag { font-size: .68rem; font-weight: 800; background: linear-gradient(135deg, #FF5C28, #F94475); color: #fff; padding: 3px 10px; border-radius: 999px; letter-spacing: .03em; }

/* === Scenario Grid === */
.scenario-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.scenario-card { position: relative; border-radius: 20px; overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: all .32s ease; }
.scenario-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-6px); border-color: rgba(255,92,40,.2); }
.scenario-card .scen-cover { height: 160px; overflow: hidden; position: relative; }
.scenario-card .scen-cover img { width: 100%; height: 100%; object-fit: cover; }
.scenario-card .scen-cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(20,24,31,.55)); }
.scenario-card .scen-icon { position: absolute; left: 20px; bottom: -20px; width: 44px; height: 44px; border-radius: 14px; background: linear-gradient(135deg, #FF5C28, #F94475); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.05rem; box-shadow: 0 10px 24px rgba(255,92,40,.35); z-index: 2; }
.scenario-card .scen-body { padding: 28px 22px 22px; }
.scenario-card .scen-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.scenario-card .scen-body p { font-size: .875rem; color: var(--text-body); line-height: 1.75; }

/* === Timeline === */
.process { position: relative; max-width: 860px; margin: 0 auto; padding: 0 20px; }
.process::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, #FF5C28, #F94475, rgba(255,92,40,.1)); transform: translateX(-50%); }
.process-step { position: relative; display: flex; align-items: flex-start; gap: 32px; margin-bottom: 40px; width: 50%; padding-right: 44px; }
.process-step:nth-child(even) { margin-left: 50%; padding-right: 0; padding-left: 44px; }
.process-step .step-dot { position: absolute; right: -17px; top: 4px; width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, #FF5C28, #F94475); color: #fff; display: flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 800; box-shadow: 0 6px 16px rgba(255,92,40,.35); z-index: 2; border: 3px solid #fff; }
.process-step:nth-child(even) .step-dot { right: auto; left: -17px; }
.step-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px 24px; box-shadow: var(--shadow-sm); transition: all .3s ease; }
.step-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.step-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.step-card p { font-size: .875rem; color: var(--text-body); }

/* === FAQ === */
.faq-wrap { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 12px 28px; box-shadow: var(--shadow-sm); }
.faq-item { border-bottom: 1px solid var(--line); position: relative; }
.faq-item:last-child { border-bottom: none; }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 40px 22px 20px; background: none; border: none; cursor: pointer; font-size: 1rem; font-weight: 600; color: var(--text-main); text-align: left; transition: color .25s ease; }
.faq-question:hover { color: #E64A1E; }
.faq-question .faq-icon { width: 28px; height: 28px; border-radius: 50%; background: rgba(255,92,40,.08); color: #E64A1E; display: flex; align-items: center; justify-content: center; font-size: .75rem; flex-shrink: 0; transition: all .3s ease; }
.faq-item.open .faq-icon { background: linear-gradient(135deg, #FF5C28, #F94475); color: #fff; transform: rotate(135deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer-inner { padding: 0 20px 22px 20px; font-size: .9375rem; color: var(--text-body); line-height: 1.85; }
.faq-item.open { background: linear-gradient(90deg, rgba(255,92,40,.03), transparent 70%); }
.faq-item.open::before { content: ""; position: absolute; left: 0; top: 16px; bottom: 16px; width: 4px; border-radius: 4px; background: linear-gradient(180deg, #FF5C28, #F94475); }

/* === News List === */
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item { display: flex; gap: 24px; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 24px 28px; box-shadow: var(--shadow-sm); transition: all .3s ease; }
.news-item:hover { box-shadow: var(--shadow-hover); transform: translateX(6px); border-color: rgba(255,92,40,.2); }
.news-date { flex-shrink: 0; width: 72px; text-align: center; background: linear-gradient(135deg, #14181F, #222833); color: #fff; border-radius: 14px; padding: 12px 6px; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.news-date .d { font-size: 1.3rem; font-weight: 800; line-height: 1.2; }
.news-date .m { font-size: .7rem; color: rgba(255,255,255,.6); }
.news-body { flex: 1; }
.news-body h4 { font-size: 1.02rem; font-weight: 700; margin-bottom: 6px; }
.news-body h4 a:hover { color: #E64A1E; }
.news-body p { font-size: .875rem; color: var(--text-body); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-body .news-tag { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; }
.news-empty { background: #fff; border: 1px dashed #D8D2CA; border-radius: 18px; padding: 40px; text-align: center; color: var(--text-muted); font-size: .9375rem; }

/* === CTA === */
.cta-band { position: relative; background: linear-gradient(135deg, #14181F 0%, #1D222B 60%, #2A1A18 100%); border-radius: 28px; overflow: hidden; padding: 64px 56px; text-align: center; color: #fff; isolation: isolate; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 75% 50%, rgba(255,92,40,.22), transparent 55%), radial-gradient(circle at 20% 80%, rgba(249,68,117,.16), transparent 45%); z-index: -1; }
.cta-band h2 { color: #fff; font-size: clamp(1.7rem, 3.6vw, 2.4rem); margin-bottom: 14px; font-weight: 800; }
.cta-band p { color: rgba(255,255,255,.76); font-size: 1rem; max-width: 500px; margin: 0 auto 28px; }

/* === Footer === */
.site-footer { background: var(--carbon); color: #B0B6BF; margin-top: 0; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 44px 0 28px; flex-wrap: wrap; }
.footer-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 1.15rem; font-weight: 800; }
.footer-logo i { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, #FF5C28, #F94475); display: flex; align-items: center; justify-content: center; font-size: .9rem; color: #fff; }
.footer-links { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-links a { font-size: .875rem; color: #B0B6BF; padding: 8px 14px; border-radius: 8px; transition: all .25s ease; }
.footer-links a:hover { color: #FF8A5C; background: rgba(255,92,40,.08); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; border-top: 1px solid rgba(255,255,255,.07); padding: 22px 0 28px; font-size: .8rem; color: #7E848D; flex-wrap: wrap; }
.footer-bottom .domain { color: rgba(255,255,255,.35); font-family: monospace; }

/* === Reveal === */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* === Responsive === */
@media (max-width: 1024px) {
  .tier-grid { grid-template-columns: 1fr 1fr; }
  .tier-card.featured { grid-column: 1 / -1; order: -1; transform: none; }
  .tier-card.featured:hover { transform: translateY(-4px); }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-table { grid-template-columns: 1.3fr 1fr 1fr 1fr; }
  .compare-cell { padding: 15px 14px; font-size: .875rem; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 56px 0; }
  .header-top { height: 64px; gap: 14px; }
  .header-top .search-box { display: none; }
  .mobile-search { display: block; }
  .mobile-toggle { display: inline-flex; }
  .header-cta .btn-primary { display: none; }
  .header-nav { display: none; }
  .cat-hero { padding: 72px 0 64px; }
  .cat-hero h1 { font-size: 2rem; }
  .hero-metric { min-width: 130px; padding: 14px 18px; }
  .tier-grid { grid-template-columns: 1fr; }
  .tier-card.featured { grid-column: auto; order: 0; }
  .scenario-grid { grid-template-columns: 1fr; }
  .compare-table { display: flex; flex-direction: column; gap: 20px; background: none; border: none; box-shadow: none; }
  .compare-row { display: grid; grid-template-columns: 1fr; gap: 10px; }
  .compare-cell { border: 1px solid var(--line); border-radius: 14px; background: #fff; flex-direction: column; align-items: flex-start; padding: 14px 18px; }
  .compare-cell:not(:first-child) { border-left: 1px solid var(--line); }
  .compare-row:first-child { display: none; }
  .compare-cell.featured-col { border: 1.5px solid rgba(255,92,40,.35); }
  .process { padding: 0; }
  .process::before { left: 17px; }
  .process-step { width: 100%; padding: 0 0 0 48px !important; margin: 0 0 28px 0 !important; }
  .process-step .step-dot, .process-step:nth-child(even) .step-dot { left: 0 !important; right: auto !important; }
  .faq-wrap { padding: 8px 16px; }
  .faq-question { padding: 18px 32px 18px 14px; font-size: .9375rem; }
  .news-item { flex-direction: row; padding: 18px 16px; gap: 16px; }
  .news-date { width: 58px; }
  .cta-band { padding: 48px 24px; border-radius: 20px; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-links a { padding: 6px 10px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .scenario-card .scen-cover { height: 130px; }
  .news-item { flex-direction: column; }
  .news-date { width: 100%; flex-direction: row; gap: 8px; justify-content: flex-start; padding: 8px 14px; border-radius: 10px; }
  .news-date .d { font-size: 1rem; }
  .news-date .m { font-size: .72rem; }
  .card-meta { flex-wrap: wrap; }
}

/* roulang page: category2 */
:root {
            --brand: #FF5C28;
            --brand-pink: #F94475;
            --charcoal: #14181F;
            --cream: #F5F4F0;
            --card: #FFFFFF;
            --gold: #FFD166;
            --success: #52B788;
            --border: #ECE8E2;
            --text-main: #1E2329;
            --text-light: #6B7280;
            --shadow-card: 0 12px 32px rgba(20, 24, 31, 0.08);
            --shadow-hover: 0 20px 44px rgba(255, 92, 40, 0.16);
            --radius-card: 20px;
            --radius-small: 12px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background: var(--cream);
            color: var(--text-main);
            line-height: 1.8;
            font-size: 16px;
        }

        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 {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Header Nav ===== */
        .site-header {
            background: var(--charcoal);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .header-top {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 72px;
        }

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

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, #FF5C28, #F94475);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
        }

        .search-box {
            flex: 1;
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 10px 18px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: border-color .2s, box-shadow .2s;
        }

        .search-box:focus-within {
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(255, 92, 40, 0.25);
        }

        .search-box i {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            margin-right: 10px;
        }

        .search-box input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            font-size: 14px;
        }

        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

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

        .btn-primary {
            background: linear-gradient(135deg, #FF5C28, #F94475);
            color: #fff;
            border-radius: 999px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: transform .2s, box-shadow .2s;
            box-shadow: 0 4px 14px rgba(255, 92, 40, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 92, 40, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .mobile-toggle {
            color: #fff;
            font-size: 20px;
            display: none;
            padding: 6px;
        }

        .mobile-search {
            display: none;
            padding: 0 16px 14px;
        }

        .mobile-search .search-box {
            background: rgba(255, 255, 255, 0.08);
        }

        .header-nav {
            background: rgba(20, 24, 31, 0.92);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 48px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .nav-inner::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
            transition: color .2s, background .2s;
        }

        .nav-link:hover {
            color: var(--brand);
            background: rgba(255, 92, 40, 0.08);
        }

        .nav-link.active {
            color: var(--brand);
            background: rgba(255, 92, 40, 0.1);
            font-weight: 600;
        }

        .mobile-menu {
            display: none;
            background: var(--charcoal);
            padding: 12px 16px 20px;
            flex-direction: column;
            gap: 8px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .mobile-menu .btn-primary {
            justify-content: center;
            width: 100%;
            margin-top: 8px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--charcoal);
            color: rgba(255, 255, 255, 0.65);
            padding: 48px 0 32px;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        .footer-logo i {
            color: var(--brand);
            font-size: 22px;
        }

        .footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color .2s;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom .domain {
            font-family: monospace;
            font-size: 12px;
            letter-spacing: 0.5px;
        }

        /* ===== General Section ===== */
        .section {
            padding: 96px 0;
        }

        .section-sm {
            padding: 64px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 92, 40, 0.1);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
            line-height: 1.8;
            max-width: 640px;
        }

        /* ===== Buttons ===== */
        .btn {
            border-radius: 999px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: transform .2s, box-shadow .2s, background .2s;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, #FF5C28, #F94475);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 92, 40, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 92, 40, 0.35);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .btn-gold {
            background: var(--gold);
            color: #1E2329;
            box-shadow: 0 4px 16px rgba(255, 209, 102, 0.3);
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 209, 102, 0.45);
        }

        /* ===== Cards ===== */
        .content-card {
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: border-color .25s, box-shadow .25s;
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            border-color: rgba(255, 92, 40, 0.3);
            box-shadow: var(--shadow-hover);
        }

        .content-card .card-cover {
            aspect-ratio: 16/10;
            object-fit: cover;
            transition: transform .35s ease;
        }

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

        .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-tag {
            display: inline-block;
            background: rgba(255, 92, 40, 0.08);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 6px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .card-title {
            font-size: 1.125rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .card-desc {
            font-size: 0.875rem;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
        }

        .card-more {
            margin-top: 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .card-more i {
            transition: transform .2s;
        }

        .card-more:hover i {
            transform: translateX(4px);
        }

        /* ===== Hero ===== */
        .page-hero {
            background: linear-gradient(to bottom, rgba(20, 24, 31, 0.82), rgba(20, 24, 31, 0.62)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 80px 0 72px;
            color: #fff;
            position: relative;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 209, 102, 0.15);
            border: 1px solid rgba(255, 209, 102, 0.3);
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
        }

        .page-hero .hero-sub {
            font-size: 1.1rem;
            max-width: 720px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 30px;
        }

        .hero-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 32px;
        }

        .stat-badge {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            padding: 14px 20px;
            text-align: center;
            min-width: 120px;
        }

        .stat-badge .num {
            font-size: 24px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.3;
        }

        .stat-badge .label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 2px;
        }

        /* ===== Grid ===== */
        .grid-feature {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        /* ===== Process ===== */
        .process-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .process-step {
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 28px 24px;
            position: relative;
            transition: box-shadow .25s, transform .25s;
        }

        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .step-num {
            font-size: 36px;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, #FF5C28, #F94475);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 12px;
            font-style: italic;
        }

        .step-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(255, 92, 40, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            font-size: 18px;
            margin-bottom: 14px;
        }

        .step-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .step-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== Direction ===== */
        .direction-row {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 56px;
        }

        .direction-row.reverse {
            flex-direction: row-reverse;
        }

        .direction-row .media {
            flex: 1;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .direction-row .media img {
            aspect-ratio: 4/3;
            object-fit: cover;
            width: 100%;
        }

        .direction-row .info {
            flex: 1;
        }

        .direction-row .info .label {
            font-size: 13px;
            font-weight: 600;
            color: var(--brand);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            display: block;
        }

        .direction-row .info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .direction-row .info p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .direction-list {
            list-style: none;
            padding: 0;
        }

        .direction-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .direction-list li i {
            color: var(--success);
            margin-top: 4px;
            font-size: 14px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            background: var(--card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            padding: 32px 36px;
            max-width: 860px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            transition: color .2s;
            position: relative;
        }

        .faq-question::before {
            content: '';
            position: absolute;
            left: -12px;
            top: 50%;
            transform: translateY(-50%) scaleY(0);
            width: 3px;
            height: 24px;
            background: linear-gradient(180deg, #FF5C28, #F94475);
            border-radius: 3px;
            transition: transform .2s;
        }

        .faq-item.active .faq-question::before {
            transform: translateY(-50%) scaleY(1);
        }

        .faq-question .icon {
            font-size: 18px;
            color: var(--brand);
            flex-shrink: 0;
            transition: transform .25s;
        }

        .faq-item.active .faq-question .icon {
            transform: rotate(45deg);
        }

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

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #14181F, #1E2430);
            border-radius: 28px;
            padding: 72px 56px;
            text-align: center;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -30%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 92, 40, 0.2), transparent 70%);
            border-radius: 50%;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section p {
            max-width: 560px;
            margin: 0 auto 28px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .grid-feature {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .direction-row,
            .direction-row.reverse {
                flex-direction: column;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .search-box {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-nav {
                display: none;
            }
            .mobile-search {
                display: block;
            }
            .mobile-menu.open {
                display: flex;
            }
            .section {
                padding: 56px 0;
            }
            .page-hero {
                padding: 56px 0 56px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .cta-section {
                padding: 48px 28px;
            }
            .footer-top {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 640px) {
            .grid-feature,
            .process-wrap {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 16px;
            }
            .hero-stats {
                flex-direction: column;
            }
            .stat-badge {
                width: 100%;
            }
            .faq-wrap {
                padding: 24px 20px;
            }
        }

/* roulang page: category3 */
:root {
            --brand: #FF5C28;
            --brand-pink: #F94475;
            --ink: #14181F;
            --warm: #F5F4F0;
            --card: #FFFFFF;
            --border: #ECE8E2;
            --gold: #FFD166;
            --green: #52B788;
            --text-main: #1F2329;
            --text-sub: #5E6672;
            --text-muted: #9AA1AB;
            --radius-lg: 20px;
            --radius-md: 12px;
            --shadow-card: 0 12px 32px rgba(20, 24, 31, 0.08);
            --shadow-hover: 0 20px 44px rgba(255, 92, 40, 0.16);
            --spacing-section: 96px;
            --container: 1200px;
            --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background-color: var(--warm);
            color: var(--text-main);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.2s ease;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 32px;
        }
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-head .section-tag {
            display: inline-block;
            background: rgba(255, 92, 40, 0.1);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--ink);
            line-height: 1.3;
        }
        .section-head p {
            color: var(--text-sub);
            font-size: 15px;
        }

        /* Header */
        .site-header {
            background: var(--ink);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .header-top {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--brand), var(--brand-pink));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }
        .logo-text {
            color: #fff;
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .search-box {
            flex: 1;
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 999px;
            padding: 0 18px;
            height: 44px;
            transition: all 0.25s ease;
        }
        .search-box i {
            color: #9AA1AB;
            font-size: 14px;
            margin-right: 12px;
        }
        .search-box input {
            flex: 1;
            background: transparent;
            color: #fff;
            font-size: 14px;
        }
        .search-box input::placeholder {
            color: #6B7280;
        }
        .search-box:focus-within {
            border-color: var(--brand);
            background: rgba(255, 92, 40, 0.08);
            box-shadow: 0 0 0 3px rgba(255, 92, 40, 0.2);
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            line-height: 1;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--brand), var(--brand-pink));
            color: #fff;
            box-shadow: 0 8px 24px rgba(255, 92, 40, 0.25);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(255, 92, 40, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(255, 92, 40, 0.2);
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 92, 40, 0.12);
            border-color: var(--brand);
            color: var(--brand);
        }
        .btn-gold {
            background: var(--gold);
            color: var(--ink);
            font-weight: 700;
            box-shadow: 0 8px 24px rgba(255, 209, 102, 0.3);
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(255, 209, 102, 0.4);
        }
        .btn-block {
            width: 100%;
        }
        .mobile-toggle,
        .mobile-search-btn {
            display: none;
            color: #fff;
            font-size: 20px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .mobile-toggle:hover,
        .mobile-search-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-search {
            display: none;
            padding: 0 16px 16px;
        }
        .mobile-search .search-box {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .mobile-search.open {
            display: block;
        }

        .header-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .nav-inner::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            padding: 8px 16px;
            border-radius: 999px;
            white-space: nowrap;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link i {
            font-size: 13px;
        }
        .nav-link:hover {
            color: var(--brand);
            background: rgba(255, 92, 40, 0.1);
        }
        .nav-link.active {
            color: #fff;
            background: linear-gradient(135deg, var(--brand), var(--brand-pink));
            box-shadow: 0 4px 12px rgba(255, 92, 40, 0.3);
        }
        .mobile-menu {
            display: none;
            padding: 16px;
            background: var(--ink);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-direction: column;
            gap: 8px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            width: 100%;
            padding: 14px 16px;
            font-size: 15px;
            border-radius: 12px;
        }

        /* Category Hero */
        .category-hero {
            position: relative;
            background-image: linear-gradient(120deg, rgba(20, 24, 31, 0.92), rgba(20, 24, 31, 0.72)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 96px 0;
            color: #fff;
        }
        .category-hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 209, 102, 0.15);
            border: 1px solid rgba(255, 209, 102, 0.4);
            color: var(--gold);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .category-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .category-hero p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-image {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Service Grid */
        .service-grid {
            display: grid;
            grid-template-columns: 1.15fr 1fr 1fr;
            gap: 24px;
        }
        .service-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 92, 40, 0.3);
            transform: translateY(-4px);
        }
        .service-card.service-card-large {
            grid-row: span 2;
            background: linear-gradient(145deg, var(--card) 0%, #FFF7F2 100%);
            border-top: 4px solid var(--brand);
        }
        .service-card .service-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--brand), var(--brand-pink));
            color: #fff;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(255, 92, 40, 0.25);
        }
        .service-card .service-icon.gold-icon {
            background: linear-gradient(135deg, #FFD166, #F9A03F);
            box-shadow: 0 8px 20px rgba(255, 209, 102, 0.3);
            color: var(--ink);
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--ink);
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .service-card ul {
            margin-top: 12px;
        }
        .service-card ul li {
            font-size: 14px;
            color: var(--text-sub);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .service-card ul li i {
            color: var(--green);
            font-size: 13px;
        }
        .service-card:nth-child(2) {
            grid-column: 2;
            grid-row: 1;
        }
        .service-card:nth-child(3) {
            grid-column: 3;
            grid-row: 1;
        }
        .service-card:nth-child(4) {
            grid-column: 2 / span 2;
            grid-row: 2;
        }

        /* Process */
        .section-dark {
            background: var(--ink);
            color: #fff;
        }
        .section-dark .section-head h2 {
            color: #fff;
        }
        .section-dark .section-head p {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-dark .section-head .section-tag {
            background: rgba(255, 209, 102, 0.12);
            color: var(--gold);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-step {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 28px 24px;
            position: relative;
            transition: background 0.3s, border-color 0.3s;
        }
        .process-step:hover {
            background: rgba(255, 92, 40, 0.08);
            border-color: rgba(255, 92, 40, 0.3);
        }
        .step-num {
            font-size: 28px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--brand), var(--brand-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 12px;
            display: inline-block;
        }
        .process-step h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .process-step p {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }

        /* Scenario */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            text-align: center;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 92, 40, 0.25);
            transform: translateY(-4px);
        }
        .scenario-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: rgba(255, 92, 40, 0.1);
            color: var(--brand);
            font-size: 22px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--ink);
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* Data Band */
        .section-data {
            background: linear-gradient(135deg, var(--ink) 0%, #1C2128 60%, #232830 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .section-data::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: rgba(255, 92, 40, 0.08);
            border-radius: 50%;
            filter: blur(60px);
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .data-item {
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            transition: background 0.3s;
        }
        .data-item:hover {
            background: rgba(255, 92, 40, 0.08);
            border-color: rgba(255, 92, 40, 0.3);
        }
        .data-item strong {
            font-size: 34px;
            font-weight: 800;
            display: block;
            margin-bottom: 8px;
            background: linear-gradient(135deg, var(--gold), #FF9F1C);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .data-item span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
        }

        /* FAQ */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px 32px;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 8px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 8px;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            text-align: left;
            transition: color 0.2s;
        }
        .faq-question i {
            color: var(--brand);
            font-size: 14px;
            transition: transform 0.25s ease;
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-question:hover {
            color: var(--brand);
        }
        .faq-item.open .faq-question {
            color: var(--brand);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease;
        }
        .faq-answer p {
            padding: 0 8px 20px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }

        /* CTA */
        .section-cta {
            background: linear-gradient(135deg, var(--ink), #20242C);
            position: relative;
            overflow: hidden;
        }
        .section-cta::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            width: 640px;
            height: 640px;
            background: radial-gradient(circle, rgba(255, 92, 40, 0.18), transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 24px 0;
        }
        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-inner p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 28px;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--gold);
            color: var(--gold);
        }

        /* Footer */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 28px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }
        .footer-logo i {
            color: var(--brand);
            font-size: 20px;
        }
        .footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-links a:hover {
            color: var(--brand);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: 1fr 1fr;
            }
            .service-card.service-card-large {
                grid-column: 1 / -1;
                grid-row: auto;
            }
            .service-card:nth-child(2),
            .service-card:nth-child(3),
            .service-card:nth-child(4) {
                grid-column: auto;
                grid-row: auto;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero-inner {
                grid-template-columns: 1fr;
            }
            .hero-image {
                max-width: 600px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
            }
            .container {
                padding: 0 16px;
            }
            .header-top {
                height: 64px;
                gap: 12px;
            }
            .logo-text {
                font-size: 16px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
            .header-top .search-box {
                display: none;
            }
            .mobile-search-btn {
                display: inline-flex;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .header-cta .btn-primary {
                display: none;
            }
            .header-nav {
                display: none;
            }
            .category-hero {
                padding: 56px 0;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .service-card,
            .service-card.service-card-large {
                padding: 24px;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .faq-wrap {
                padding: 16px;
            }
            .footer-top {
                flex-direction: column;
                gap: 16px;
                text-align: center;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 640px) {
            .data-grid {
                grid-template-columns: 1fr;
            }
            .data-item {
                padding: 24px 16px;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }