/* roulang page: index */
:root {
  --primary: #1a2332;
  --accent: #d4a853;
  --accent-light: #e8c97a;
  --bg-dark: #0b1018;
  --bg-light: #f8f7f4;
  --text-main: #1a2332;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s ease;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
}
.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 导航 ===== */
.navbar {
  background: rgba(11, 16, 24, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 0;
  transition: var(--transition);
}
.navbar:hover {
  background: rgba(11, 16, 24, 0.95);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.4rem;
  color: #fff;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}
.brand-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #d4a853, #f0d48a);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #0b1018;
  box-shadow: 0 0 20px rgba(212, 168, 83, 0.4);
}
.brand-logo-text {
  background: linear-gradient(135deg, #f0d48a, #d4a853);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  color: rgba(255, 255, 255, 0.75);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}
.nav-link.active {
  color: #d4a853;
  background: rgba(212, 168, 83, 0.12);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-search {
  position: relative;
}
.nav-search input {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  border-radius: 24px;
  padding: 8px 16px 8px 36px;
  font-size: 0.85rem;
  width: 180px;
  outline: none;
  transition: var(--transition);
}
.nav-search input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}
.nav-search input:focus {
  border-color: #d4a853;
  background: rgba(255, 255, 255, 0.14);
  width: 220px;
}
.nav-search i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 24px;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 10px 24px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  outline: none;
}
.btn-accent {
  background: linear-gradient(135deg, #e8c97a, #d4a853);
  color: #0b1018;
  box-shadow: 0 4px 16px rgba(212, 168, 83, 0.3);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(212, 168, 83, 0.45);
}
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}
.btn-dark {
  background: var(--primary);
  color: #fff;
  border: 1px solid var(--border);
}
.btn-dark:hover {
  background: #25324a;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-outline-accent {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-outline-accent:hover {
  background: rgba(212, 168, 83, 0.08);
  transform: translateY(-2px);
}
.hamburger {
  display: none;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  font-size: 1.1rem;
  transition: var(--transition);
}
.hamburger:hover {
  background: rgba(255, 255, 255, 0.2);
}
.mobile-menu {
  display: none;
  padding: 16px 24px;
  background: rgba(11, 16, 24, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.mobile-menu a {
  display: block;
  padding: 12px 16px;
  color: rgba(255, 255, 255, 0.85);
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
}
.mobile-menu a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #d4a853;
}
.mobile-menu.active {
  display: block;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 640px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 16, 24, 0.92) 0%, rgba(11, 16, 24, 0.72) 50%, rgba(11, 16, 24, 0.88) 100%);
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, rgba(255, 255, 255, 1) 0%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 860px;
  padding: 80px 24px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212, 168, 83, 0.15);
  border: 1px solid rgba(212, 168, 83, 0.4);
  color: #e8c97a;
  border-radius: 40px;
  padding: 8px 20px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}
.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: 0.03em;
  margin-bottom: 12px;
  text-shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
}
.hero h1 span {
  background: linear-gradient(135deg, #f0d48a, #d4a853);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.35rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 400;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.hero-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.65);
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.8;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-stats {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 60px;
  padding-bottom: 60px;
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
  color: rgba(255, 255, 255, 0.85);
}
.hero-stat .num {
  font-size: 2rem;
  font-weight: 800;
  color: #e8c97a;
  display: block;
}
.hero-stat .label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.04em;
}

/* ===== 通用板块 ===== */
.section {
  padding: 90px 0;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-label::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--text-main);
}
.section-desc {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 600px;
  line-height: 1.7;
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header .section-label {
  justify-content: center;
}
.section-header .section-label::before {
  display: none;
}
.section-header .section-desc {
  margin: 0 auto;
}

/* ===== 平台特色 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #d4a853, #f0d48a);
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.feature-card:hover::after {
  opacity: 1;
}
.feature-card .icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.15), rgba(212, 168, 83, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 20px;
  border: 1px solid rgba(212, 168, 83, 0.2);
}
.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-main);
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ===== 分类卡片 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.category-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: var(--transition);
  position: relative;
}
.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.category-card .cover {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.category-card .cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 16, 24, 0.65) 0%, transparent 60%);
}
.category-card .tag {
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 16px;
  background: rgba(11, 16, 24, 0.7);
  color: #e8c97a;
  border: 1px solid rgba(212, 168, 83, 0.4);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
}
.category-card .body {
  padding: 24px;
}
.category-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}
.category-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}
.category-card .link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--transition);
}
.category-card .link-more:hover {
  gap: 12px;
  color: #b8913f;
}

/* ===== 数据统计 ===== */
.stats-section {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}
.stats-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.stat-card {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
}
.stat-card:hover {
  border-color: rgba(212, 168, 83, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}
.stat-card .stat-num {
  font-size: 2.6rem;
  font-weight: 800;
  color: #e8c97a;
  line-height: 1.2;
  display: block;
  margin-bottom: 6px;
}
.stat-card .stat-label {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.04em;
}

/* ===== 资讯列表 ===== */
.news-section {
  background: var(--bg-light);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.news-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(212, 168, 83, 0.3);
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.news-cat {
  background: rgba(212, 168, 83, 0.12);
  color: var(--accent);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.75rem;
  font-weight: 600;
}
.news-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}
.news-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.45;
  transition: var(--transition);
}
.news-card h3:hover {
  color: var(--accent);
}
.news-card p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.65;
  flex: 1;
}
.news-empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 60px 20px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  color: var(--text-muted);
  font-size: 1rem;
}

/* ===== 流程 ===== */
.process-section {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.process-section .section-title {
  color: #fff;
}
.process-section .section-desc {
  color: rgba(255, 255, 255, 0.6);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 40px;
}
.process-step {
  position: relative;
  text-align: center;
  padding: 32px 20px;
}
.process-step::before {
  content: '';
  position: absolute;
  top: 45px;
  left: -50%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(212, 168, 83, 0.5));
  z-index: 0;
}
.process-step:first-child::before {
  display: none;
}
.process-step .step-num {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(212, 168, 83, 0.2), rgba(212, 168, 83, 0.05));
  border: 1px solid rgba(212, 168, 83, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: #e8c97a;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 30px rgba(212, 168, 83, 0.15);
}
.process-step h4 {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.process-step p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(212, 168, 83, 0.3);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-main);
  gap: 16px;
}
.faq-question i {
  color: var(--accent);
  font-size: 0.9rem;
  transition: var(--transition);
  flex-shrink: 0;
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.active .faq-answer {
  max-height: 300px;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 16, 24, 0.85) 0%, rgba(11, 16, 24, 0.65) 100%);
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.cta-content p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
  margin-bottom: 32px;
  line-height: 1.7;
}
.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  padding: 60px 0 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-brand .brand-logo {
  margin-bottom: 16px;
}
.footer-brand p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 360px;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.88rem;
  padding: 4px 0;
  transition: var(--transition);
}
.footer-col a:hover {
  color: #d4a853;
  padding-left: 4px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
}
.footer-domain {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.8rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .feature-grid,
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .process-step::before {
    display: none;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .nav-search {
    display: none;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  .navbar-inner {
    gap: 12px;
  }
  .nav-links {
    display: none;
  }
  .nav-right .btn-ghost {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .hero {
    min-height: 520px;
  }
  .hero h1 {
    font-size: 2.6rem;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .section-title {
    font-size: 1.7rem;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-stats {
    gap: 30px;
  }
}
@media (max-width: 520px) {
  .container-custom {
    padding: 0 16px;
  }
  .feature-grid,
  .category-grid,
  .stats-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 2.1rem;
  }
  .brand-logo {
    font-size: 1.15rem;
  }
  .hero-stats {
    gap: 20px;
  }
  .hero-stat .num {
    font-size: 1.5rem;
  }
  .cta-content h2 {
    font-size: 1.6rem;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}

/* roulang page: article */
:root {
  --primary: #d4a853;
  --primary-light: #eccc8a;
  --primary-dark: #b8913d;
  --secondary: #141b2d;
  --dark: #0b0f1a;
  --panel-dark: #101827;
  --bg-light: #f4f5f7;
  --text: #1e2432;
  --text-muted: #6b7280;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(15, 20, 32, 0.06);
  --shadow-md: 0 8px 30px rgba(15, 20, 32, 0.10);
  --shadow-lg: 0 16px 48px rgba(15, 20, 32, 0.14);
  --container: 1200px;
  --transition: 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-light);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { font-family: inherit; cursor: pointer; }
input, button, textarea { outline: none; }
.container-custom { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #0b0f1a;
  box-shadow: 0 4px 14px rgba(212, 168, 83, 0.30);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 6px 20px rgba(212, 168, 83, 0.42);
  transform: translateY(-2px);
}
.btn-gold {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #0b0f1a;
  box-shadow: 0 4px 16px rgba(212, 168, 83, 0.35);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212, 168, 83, 0.5); }
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.4);
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(135deg, rgba(11, 15, 26, 0.98), rgba(20, 27, 45, 0.98));
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(212, 168, 83, 0.2);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 74px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, #f5d88b, #b8913d);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #0b0f1a;
  font-size: 1.2rem;
  box-shadow: 0 0 20px rgba(212, 168, 83, 0.3);
}
.brand-logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
  background: linear-gradient(90deg, #eccc8a, #fff 50%, #eccc8a);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #94a3b8;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: all var(--transition);
}
.nav-link i { font-size: 0.9rem; }
.nav-link:hover { color: #fff; background: rgba(212, 168, 83, 0.08); }
.nav-link.active {
  color: var(--primary-light);
  background: rgba(212, 168, 83, 0.12);
  border-color: rgba(212, 168, 83, 0.25);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 4px 6px 4px 14px;
  transition: all var(--transition);
}
.search-box:focus-within { border-color: rgba(212, 168, 83, 0.5); background: rgba(255, 255, 255, 0.1); }
.search-box input {
  background: transparent;
  border: none;
  color: #e2e8f0;
  font-size: 0.9rem;
  width: 150px;
}
.search-box input::placeholder { color: #64748b; }
.search-box button {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: #0b0f1a;
  font-size: 0.85rem;
  transition: transform var(--transition);
}
.search-box button:hover { transform: scale(1.08); }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  color: #e2e8f0;
  font-size: 1.1rem;
}

.article-hero {
  background: linear-gradient(180deg, rgba(11, 15, 26, 0.45), rgba(11, 15, 26, 0.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 70px 0 50px;
  color: #fff;
  border-bottom: 1px solid rgba(212, 168, 83, 0.2);
}
.article-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.9rem;
  color: #94a3b8;
  margin-bottom: 22px;
}
.article-breadcrumb a { color: #cbd5e1; }
.article-breadcrumb a:hover { color: var(--primary-light); }
.article-breadcrumb i { font-size: 0.65rem; color: #475569; }
.article-hero-content { max-width: 860px; }
.article-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(212, 168, 83, 0.18);
  border: 1px solid rgba(212, 168, 83, 0.4);
  color: var(--primary-light);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 30px;
  margin-bottom: 16px;
}
.article-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.5px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 20px;
  color: #cbd5e1;
  font-size: 0.9rem;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { color: var(--primary); }

.article-body { padding: 56px 0 80px; }
.article-main-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 980px;
  margin: 0 auto;
}
.article-cover {
  width: 100%;
  height: 320px;
  object-fit: cover;
}
.article-content {
  padding: 36px 44px 24px;
  font-size: 1.02rem;
  line-height: 1.85;
  color: #334155;
}
.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin: 2rem 0 1rem;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
}
.article-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  margin: 1.6rem 0 0.8rem;
}
.article-content p { margin-bottom: 1.2rem; }
.article-content img { border-radius: 12px; margin: 1.3rem 0; box-shadow: var(--shadow-sm); }
.article-content ul, .article-content ol { padding-left: 1.5rem; margin-bottom: 1.2rem; }
.article-content ul li, .article-content ol li { margin-bottom: 0.4rem; }
.article-content blockquote {
  background: #faf6ec;
  border-left: 4px solid var(--primary);
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  margin: 1.4rem 0;
  color: #4a3f2a;
}
.article-content a { color: var(--primary-dark); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--primary); }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.4rem 0; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-content th { background: #f8f5ee; font-weight: 700; }
.article-tags {
  padding: 18px 44px 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #475569;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 30px;
}
.not-found-card {
  text-align: center;
  padding: 64px 24px;
}
.not-found-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(212, 168, 83, 0.1);
  border: 1px solid rgba(212, 168, 83, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 2rem;
}
.not-found-card h2 { font-size: 1.6rem; margin-bottom: 12px; }
.not-found-card p { color: var(--text-muted); margin-bottom: 24px; }

.related-section { padding: 70px 0; background: #f8f9fb; }
.section-heading { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-heading h2 { font-size: clamp(1.5rem, 2.8vw, 2.2rem); font-weight: 800; letter-spacing: 0.5px; }
.section-heading p { color: var(--text-muted); margin-top: 10px; }
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.related-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(212, 168, 83, 0.4); }
.related-card-cover { height: 180px; overflow: hidden; }
.related-card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.related-card:hover .related-card-cover img { transform: scale(1.05); }
.related-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.related-card-cat {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: rgba(212, 168, 83, 0.12);
  border-radius: 30px;
  padding: 3px 10px;
  width: fit-content;
}
.related-card-body h3 { font-size: 1rem; font-weight: 700; line-height: 1.4; }
.related-card-body p { font-size: 0.85rem; color: var(--text-muted); flex: 1; }
.related-card-meta { font-size: 0.8rem; color: #94a3b8; }

.faq-section { padding: 70px 0; background: var(--dark); color: #e2e8f0; }
.faq-section .section-heading h2 { color: #fff; }
.faq-section .section-heading p { color: #94a3b8; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.faq-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 24px 26px;
  transition: all var(--transition);
}
.faq-item:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(212, 168, 83, 0.3); }
.faq-item h4 { display: flex; align-items: flex-start; gap: 10px; font-size: 1.02rem; color: var(--primary-light); margin-bottom: 10px; font-weight: 700; }
.faq-item h4 i { font-size: 0.5rem; margin-top: 8px; color: var(--primary); }
.faq-item p { font-size: 0.92rem; color: #a0aec0; line-height: 1.7; }

.cta-section { padding: 60px 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; position: relative; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(11, 15, 26, 0.92), rgba(11, 15, 26, 0.75)); }
.cta-block { position: relative; z-index: 1; text-align: center; color: #fff; max-width: 720px; margin: 0 auto; }
.cta-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  box-shadow: 0 0 30px rgba(212, 168, 83, 0.4);
  color: #0b0f1a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}
.cta-block h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); font-weight: 800; margin-bottom: 12px; }
.cta-block p { color: #cbd5e1; margin-bottom: 28px; }
.cta-buttons { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }

.site-footer {
  background: #080c17;
  border-top: 1px solid rgba(212, 168, 83, 0.15);
  padding: 60px 0 24px;
  color: #94a3b8;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .brand-logo-text { font-size: 1.3rem; }
.footer-brand p { margin-top: 14px; font-size: 0.9rem; line-height: 1.7; max-width: 360px; }
.footer-col h4 {
  color: #e2e8f0;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.footer-col a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #94a3b8;
  font-size: 0.92rem;
  padding: 5px 0;
  transition: all var(--transition);
}
.footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.85rem;
}
.footer-domain { color: #64748b; letter-spacing: 1px; }

@media (max-width: 1024px) {
  .search-box input { width: 100px; }
  .related-grid { grid-template-columns: repeat(3, 1fr); }
  .header-btn { padding: 9px 14px; font-size: 0.86rem; }
}
@media (max-width: 768px) {
  .header-inner { flex-wrap: wrap; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    background: rgba(11, 15, 26, 0.98);
    border-top: 1px solid rgba(212, 168, 83, 0.15);
    padding: 10px 4px;
    display: none;
  }
  .nav-links.nav-open { display: flex; }
  .nav-link { padding: 12px 16px; border-radius: 10px; }
  .search-box { display: none; }
  .header-btn { display: none; }
  .article-hero { padding: 44px 0 36px; }
  .article-cover { height: 220px; }
  .article-content { padding: 24px 20px 12px; }
  .article-tags { padding: 14px 20px 24px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 520px) {
  .container-custom { padding: 0 16px; }
  .related-grid { grid-template-columns: 1fr; }
  .article-hero h1 { font-size: 1.5rem; }
  .article-meta { gap: 10px; }
  .cta-buttons .btn { width: 100%; }
  .footer-bottom { flex-direction: column; justify-content: center; text-align: center; }
}

/* roulang page: category1 */
:root {
  --gold: #e8b44a;
  --gold-dark: #c99a34;
  --bg: #080e1a;
  --panel: #111a2c;
  --panel-2: #17233a;
  --text: #e8ecf2;
  --muted: #8a94a6;
  --accent: #ff7b45;
  --border: rgba(255,255,255,0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 40px rgba(0,0,0,0.35);
  --shadow-sm: 0 8px 20px rgba(0,0,0,0.25);
  --space-section: clamp(4rem, 8vw, 7rem);
}
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; }
.container-custom {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-pad { padding: var(--space-section) 0; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(232,180,74,0.08);
  border: 1px solid rgba(232,180,74,0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--text);
  margin-bottom: 12px;
}
.section-desc {
  color: var(--muted);
  font-size: 16px;
  max-width: 680px;
  margin-bottom: 40px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,14,26,0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 76px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand-logo-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gold), #f7d68a);
  color: #0a0f1a;
  font-size: 20px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(232,180,74,0.35);
}
.brand-logo-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  transition: all 0.25s ease;
  white-space: nowrap;
}
.nav-link i { font-size: 13px; }
.nav-link:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}
.nav-link.active {
  color: var(--bg);
  background: linear-gradient(135deg, var(--gold), #f2cd7c);
  box-shadow: 0 6px 18px rgba(232,180,74,0.3);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 9px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition: border-color 0.2s;
}
.nav-search:focus-within { border-color: rgba(232,180,74,0.4); }
.nav-search input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 14px;
  width: 130px;
}
.nav-search input::placeholder { color: var(--muted); }
.nav-login {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  padding: 9px 16px;
  border-radius: 999px;
  transition: background 0.2s;
}
.nav-login:hover { background: rgba(255,255,255,0.06); }
.nav-start {
  font-size: 14px;
  font-weight: 700;
  color: var(--bg);
  background: linear-gradient(135deg, var(--gold), #f2cd7c);
  padding: 10px 22px;
  border-radius: 999px;
  box-shadow: 0 6px 20px rgba(232,180,74,0.3);
  transition: all 0.25s ease;
}
.nav-start:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(232,180,74,0.4);
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  background: var(--panel);
}
.mobile-menu {
  display: none;
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(8,14,26,0.97);
  backdrop-filter: blur(20px);
  padding: 24px 24px 32px;
  border-bottom: 1px solid var(--border);
}
.mobile-menu.open { display: block; }
.mobile-menu .nav-link {
  display: flex;
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  margin-bottom: 6px;
  border: 1px solid transparent;
}
.mobile-menu .nav-link:hover { border-color: var(--border); }
.mobile-menu .nav-link.active { border-color: transparent; }
.mobile-menu-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
.mobile-menu-actions .nav-start { flex: 1; text-align: center; }
.mobile-menu-actions .nav-login { border: 1px solid var(--border); text-align: center; flex: 1; }

/* ===== Hero ===== */
.category-hero {
  position: relative;
  padding: 120px 0 100px;
  background-size: cover;
  background-position: center;
  isolation: isolate;
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,14,26,0.72) 0%, rgba(8,14,26,0.55) 50%, rgba(8,14,26,0.85) 100%);
  z-index: -1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,180,74,0.12);
  border: 1px solid rgba(232,180,74,0.3);
  color: var(--gold);
  font-size: 14px;
  font-weight: 700;
  padding: 7px 18px;
  border-radius: 999px;
  letter-spacing: 1px;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.hero-title {
  font-size: clamp(36px, 5.6vw, 58px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: #fff;
}
.hero-title .accent { color: var(--gold); }
.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  color: #c3cbd8;
  max-width: 640px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--gold), #f2cd7c);
  color: var(--bg);
  font-weight: 800;
  font-size: 16px;
  padding: 15px 30px;
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(232,180,74,0.3);
  transition: all 0.25s ease;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(232,180,74,0.4);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--text);
  font-weight: 600;
  font-size: 16px;
  padding: 15px 30px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  transition: all 0.25s ease;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.3);
  transform: translateY(-2px);
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 56px;
}
.stat-card {
  background: rgba(17,26,44,0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: all 0.25s ease;
}
.stat-card:hover {
  border-color: rgba(232,180,74,0.3);
  transform: translateY(-4px);
  background: rgba(17,26,44,0.85);
}
.stat-num {
  font-size: 32px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
}
.stat-label {
  margin-top: 10px;
  font-size: 14px;
  color: var(--muted);
}

/* ===== Section head ===== */
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 40px;
}
.section-head .section-title { margin-bottom: 0; }

/* ===== Category cards ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.cat-card {
  position: relative;
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.cat-card::after {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(232,180,74,0.14), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cat-card:hover {
  border-color: rgba(232,180,74,0.35);
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.cat-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(232,180,74,0.12);
  color: var(--gold);
  font-size: 20px;
  margin-bottom: 18px;
  border: 1px solid rgba(232,180,74,0.15);
}
.cat-card h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
}
.cat-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 18px;
}
.cat-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--gold);
  transition: gap 0.2s;
}
.cat-link:hover { gap: 12px; }

/* ===== Article list ===== */
.article-list {
  display: grid;
  gap: 20px;
}
.article-card-h {
  display: grid;
  grid-template-columns: 280px 1fr;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s ease;
}
.article-card-h:hover {
  border-color: rgba(232,180,74,0.28);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}
.article-cover {
  position: relative;
  overflow: hidden;
  min-height: 180px;
}
.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.article-card-h:hover .article-cover img { transform: scale(1.05); }
.article-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(17,26,44,0.2), transparent);
}
.article-body {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.article-tag {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
  background: rgba(232,180,74,0.1);
  border: 1px solid rgba(232,180,74,0.2);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 8px;
  transition: color 0.2s;
}
.article-card-h:hover .article-body h3 { color: var(--gold); }
.article-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  gap: 20px;
  color: var(--muted);
  font-size: 13px;
}
.article-meta i { margin-right: 5px; }

/* ===== Deep feature ===== */
.feature-section {
  background: linear-gradient(180deg, var(--bg), #0d1526, var(--bg));
}
.feature-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.feature-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
}
.feature-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(8,14,26,0.6));
}
.feature-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  z-index: 2;
  background: rgba(8,14,26,0.8);
  border: 1px solid rgba(232,180,74,0.3);
  color: var(--gold);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(8px);
}
.feature-content .section-title { margin-bottom: 18px; }
.feature-content p {
  color: var(--muted);
  margin-bottom: 22px;
  font-size: 15px;
}
.feature-points { list-style: none; padding: 0; margin: 0 0 28px; }
.feature-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 15px;
  color: #c3cbd8;
}
.feature-points li:last-child { border-bottom: none; }
.feature-points i {
  color: var(--gold);
  margin-top: 5px;
  font-size: 14px;
}

/* ===== Timeline ===== */
.path-section { background: var(--bg); }
.path-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.path-step {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all 0.3s ease;
}
.path-step:hover {
  border-color: rgba(232,180,74,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}
.path-num {
  font-size: 13px;
  font-weight: 800;
  color: var(--gold);
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.path-step h3 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 8px;
}
.path-step p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}
.path-arrow {
  position: absolute;
  top: 50%;
  right: -18px;
  transform: translateY(-50%);
  color: rgba(232,180,74,0.4);
  font-size: 14px;
  z-index: 2;
}

/* ===== FAQ ===== */
.faq-section {
  background: linear-gradient(180deg, var(--bg), #0d1526, var(--bg));
}
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item:hover { border-color: rgba(232,180,74,0.25); }
.faq-item.open { border-color: rgba(232,180,74,0.35); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}
.faq-q i {
  color: var(--gold);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.faq-item.open .faq-a {
  max-height: 260px;
  padding: 0 24px 20px;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 110px 0;
  background-size: cover;
  background-position: center;
  isolation: isolate;
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8,14,26,0.88), rgba(8,14,26,0.7));
  z-index: -1;
}
.cta-inner {
  max-width: 760px;
  text-align: center;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: clamp(28px, 4.4vw, 44px);
  font-weight: 900;
  margin-bottom: 18px;
  color: #fff;
  line-height: 1.3;
}
.cta-inner h2 span { color: var(--gold); }
.cta-inner p {
  color: #c3cbd8;
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 36px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: #050a13;
  border-top: 1px solid var(--border);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 44px;
}
.footer-brand p {
  color: var(--muted);
  font-size: 14px;
  margin-top: 16px;
  line-height: 1.8;
  max-width: 400px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 18px;
  letter-spacing: 1px;
}
.footer-col a {
  display: block;
  color: var(--muted);
  font-size: 14px;
  padding: 6px 0;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-col a:hover {
  color: var(--gold);
  padding-left: 6px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  color: var(--muted);
  font-size: 13px;
  flex-wrap: wrap;
}
.footer-domain {
  font-size: 12px;
  opacity: 0.6;
  letter-spacing: 1px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .path-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .nav-links { gap: 0; }
  .nav-link { padding: 8px 12px; font-size: 14px; }
  .nav-search input { width: 90px; }
}
@media (max-width: 768px) {
  .header-inner { height: 68px; }
  .nav-links, .nav-actions { display: none; }
  .menu-toggle { display: flex; }
  .feature-grid { grid-template-columns: 1fr; gap: 32px; }
  .article-card-h { grid-template-columns: 220px 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  .container-custom { padding: 0 18px; }
  .cat-grid { grid-template-columns: 1fr; }
  .path-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 16px 12px; }
  .stat-num { font-size: 24px; }
  .article-card-h { grid-template-columns: 1fr; }
  .article-cover { min-height: 200px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary, .hero-actions .btn-ghost { justify-content: center; }
  .cta-buttons { flex-direction: column; }
  .cta-buttons .btn-primary, .cta-buttons .btn-ghost { justify-content: center; }
  .footer-bottom { justify-content: center; text-align: center; }
  .path-arrow { display: none; }
}
@media (max-width: 360px) {
  .brand-logo-text { font-size: 19px; }
  .hero-title { font-size: 30px; }
}

/* roulang page: category2 */
:root {
    --primary: #0b82f0;
    --primary-dark: #005fd0;
    --accent: #f59e0b;
    --bg-dark: #141824;
    --bg-section: #f8fafc;
    --text-main: #1e293b;
    --text-weak: #64748b;
    --border-light: #e2e8f0;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.12);
  }

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

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
    background: #ffffff;
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
  }

  .container-custom {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
  }

  /* ===== Header & Nav ===== */
  .site-header {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.7);
    position: sticky;
    top: 0;
    z-index: 100;
    height: 72px;
  }

  .header-inner {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
  }

  .brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    flex-shrink: 0;
  }

  .brand-logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), #6b21a8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.25rem;
    box-shadow: 0 4px 14px rgba(11, 130, 240, 0.35);
  }

  .brand-logo-text {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    background: linear-gradient(90deg, var(--primary-dark), #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 0.35rem;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 1rem;
    font-size: 0.92rem;
    font-weight: 500;
    color: #475569;
    border-radius: 0.65rem;
    transition: all 0.22s ease;
    white-space: nowrap;
  }

  .nav-link i {
    font-size: 0.85rem;
    opacity: 0.75;
  }

  .nav-link:hover {
    background: #f0f9ff;
    color: var(--primary);
  }

  .nav-link.active {
    background: linear-gradient(135deg, rgba(11, 130, 240, 0.12), rgba(124, 58, 237, 0.12));
    color: var(--primary-dark);
    font-weight: 600;
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
  }

  .nav-search {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    border-radius: 0.65rem;
    padding: 0.4rem 0.3rem 0.4rem 0.9rem;
    border: 1px solid transparent;
    transition: all 0.25s ease;
  }

  .nav-search:focus-within {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(11, 130, 240, 0.1);
  }

  .nav-search input {
    border: none;
    background: transparent;
    font-size: 0.85rem;
    width: 140px;
    outline: none;
    color: var(--text-main);
  }

  .nav-search button {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 0.5rem;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s ease;
    font-size: 0.8rem;
  }

  .nav-search button:hover {
    background: var(--primary-dark);
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: linear-gradient(135deg, var(--primary), #6b21a8);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.55rem 1.25rem;
    border-radius: 0.65rem;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 16px rgba(11, 130, 240, 0.3);
    white-space: nowrap;
  }

  .btn-primary:hover {
    box-shadow: 0 8px 24px rgba(11, 130, 240, 0.4);
    transform: translateY(-2px);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: transparent;
    color: var(--text-main);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.55rem 1.15rem;
    border-radius: 0.65rem;
    border: 1.5px solid var(--border-light);
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
  }

  .btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(11, 130, 240, 0.04);
  }

  /* Mobile menu button */
  .mobile-menu-btn {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 0.65rem;
    border: 1px solid var(--border-light);
    background: #fff;
    color: var(--text-main);
    font-size: 1.1rem;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
  }

  .mobile-menu-btn:hover {
    background: #f8fafc;
  }

  .mobile-nav {
    display: none;
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    margin: 0 1.5rem 1.5rem;
  }

  @media (max-width: 1024px) {
    .nav-links {
      gap: 0.15rem;
    }
    .nav-link {
      padding: 0.5rem 0.75rem;
      font-size: 0.88rem;
    }
    .nav-search input {
      width: 100px;
    }
  }

  @media (max-width: 768px) {
    .site-header {
      height: 64px;
    }
    .header-inner {
      height: 64px;
    }
    .nav-links, .nav-actions {
      display: none;
    }
    .mobile-menu-btn {
      display: flex;
    }
    .mobile-nav.open {
      display: block;
    }
    .mobile-nav .nav-links {
      display: flex;
      flex-direction: column;
      align-items: stretch;
      gap: 0.4rem;
    }
    .mobile-nav .nav-link {
      padding: 0.8rem 1rem;
      border-radius: 0.75rem;
    }
    .mobile-nav .nav-link.active {
      background: #f0f9ff;
    }
    .mobile-nav .nav-search {
      margin-top: 0.6rem;
    }
    .mobile-nav .nav-search input {
      width: 100%;
    }
    .mobile-nav .nav-cta {
      display: flex;
      gap: 0.6rem;
      margin-top: 0.6rem;
    }
    .mobile-nav .btn-primary, .mobile-nav .btn-outline {
      flex: 1;
      justify-content: center;
      padding: 0.65rem;
    }
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--bg-dark);
    color: #94a3b8;
    padding: 3.5rem 0 1.5rem;
    font-size: 0.9rem;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2.5rem;
  }

  .footer-brand .brand-logo {
    margin-bottom: 1rem;
  }

  .footer-brand p {
    font-size: 0.88rem;
    line-height: 1.8;
    color: #8b9bb4;
    max-width: 380px;
  }

  .footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
  }

  .footer-col a {
    display: block;
    color: #94a3b8;
    padding: 0.35rem 0;
    font-size: 0.88rem;
    transition: color 0.2s ease, padding-left 0.2s ease;
  }

  .footer-col a:hover {
    color: #fff;
    padding-left: 0.35rem;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .footer-bottom p {
    color: #64748b;
    font-size: 0.82rem;
  }

  .footer-domain {
    color: #475569;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
  }

  @media (max-width: 768px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 2rem;
    }
    .footer-bottom {
      flex-direction: column;
      text-align: center;
    }
  }

  /* ===== Page specific ===== */
  .category-hero {
    background: linear-gradient(135deg, rgba(12, 18, 36, 0.85), rgba(30, 27, 75, 0.9)), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    padding: 5rem 0 4.5rem;
    position: relative;
    overflow: hidden;
  }

  .category-hero::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, transparent, #f8fafc);
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    color: #e0e7ff;
    font-size: 0.82rem;
    font-weight: 500;
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
  }

  .hero-badge i {
    color: var(--accent);
  }

  .category-hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1.2rem;
    max-width: 640px;
  }

  .category-hero h1 .text-accent {
    background: linear-gradient(90deg, #fbbf24, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .category-hero .hero-desc {
    font-size: 1.05rem;
    color: #c7d2e8;
    max-width: 600px;
    line-height: 1.85;
    margin-bottom: 2rem;
  }

  .hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .hero-actions .btn-primary {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
  }

  .hero-actions .btn-primary:hover {
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.45);
  }

  .hero-actions .btn-hero-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1.5px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    font-weight: 500;
    font-size: 0.92rem;
    padding: 0.58rem 1.4rem;
    border-radius: 0.65rem;
    transition: all 0.25s ease;
  }

  .hero-actions .btn-hero-ghost:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
  }

  @media (max-width: 768px) {
    .category-hero {
      padding: 3.5rem 0 3rem;
    }
    .category-hero h1 {
      font-size: 1.9rem;
    }
    .category-hero .hero-desc {
      font-size: 0.95rem;
    }
  }

  /* Section headers */
  .section-head {
    text-align: center;
    margin-bottom: 3rem;
  }

  .section-head .section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(11, 130, 240, 0.08);
    padding: 0.3rem 0.9rem;
    border-radius: 2rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
  }

  .section-head h2 {
    font-size: 2rem;
    font-weight: 800;
    color: #1e293b;
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 0.75rem;
  }

  .section-head p {
    color: var(--text-weak);
    font-size: 1rem;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
  }

  @media (max-width: 768px) {
    .section-head h2 {
      font-size: 1.6rem;
    }
  }

  /* Stats panel */
  .stats-panel {
    margin-top: -2.5rem;
    position: relative;
    z-index: 5;
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }

  .stat-card {
    background: #fff;
    border-radius: 1rem;
    padding: 1.5rem 1.75rem;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
  }

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

  .stat-card .stat-icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin: 0 auto 0.9rem;
  }

  .stat-card:nth-child(1) .stat-icon { background: #eff6ff; color: #2563eb; }
  .stat-card:nth-child(2) .stat-icon { background: #fef3c7; color: #d97706; }
  .stat-card:nth-child(3) .stat-icon { background: #ecfdf5; color: #059669; }
  .stat-card:nth-child(4) .stat-icon { background: #fdf2f8; color: #db2777; }

  .stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: #1e293b;
    line-height: 1.2;
    margin-bottom: 0.3rem;
  }

  .stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-weak);
  }

  @media (max-width: 768px) {
    .stats-grid {
      grid-template-columns: 1fr 1fr;
      gap: 0.75rem;
    }
    .stat-card {
      padding: 1.1rem 0.8rem;
    }
    .stat-card .stat-value {
      font-size: 1.4rem;
    }
  }

  @media (max-width: 480px) {
    .stats-grid {
      grid-template-columns: 1fr;
    }
  }

  /* Section spacing */
  .section-padding {
    padding: 4.5rem 0;
  }

  .section-alt {
    background: #f8fafc;
  }

  /* Hot & cold cards */
  .hotcold-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .data-panel {
    background: #fff;
    border-radius: 1.25rem;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: box-shadow 0.25s ease;
  }

  .data-panel:hover {
    box-shadow: var(--shadow-hover);
  }

  .data-panel-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.15rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
  }

  .data-panel-header .panel-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
  }

  .data-panel-header.hot .panel-icon {
    background: #fef3c7;
    color: #d97706;
  }

  .data-panel-header.cold .panel-icon {
    background: #eff6ff;
    color: #2563eb;
  }

  .data-panel-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1e293b;
  }

  .data-panel-body {
    padding: 1.25rem 1.5rem 1.5rem;
  }

  .number-list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.6rem;
    margin-bottom: 1rem;
  }

  .number-item {
    background: #f8fafc;
    border: 1px solid var(--border-light);
    border-radius: 0.65rem;
    text-align: center;
    padding: 0.65rem 0.3rem;
    transition: all 0.2s ease;
  }

  .number-item:hover {
    border-color: var(--primary);
    background: #f0f9ff;
    transform: translateY(-2px);
  }

  .number-item .num {
    font-size: 1.2rem;
    font-weight: 800;
    color: #1e293b;
    display: block;
    line-height: 1.3;
  }

  .number-item .count {
    font-size: 0.75rem;
    color: var(--text-weak);
  }

  .trend-dim {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.55rem 0;
    border-bottom: 1px dashed #f1f5f9;
    font-size: 0.9rem;
  }

  .trend-dim:last-child {
    border-bottom: none;
  }

  .trend-dim .dim-label {
    color: var(--text-weak);
  }

  .trend-dim .dim-value {
    font-weight: 600;
    color: #1e293b;
  }

  .trend-dim .dim-bar {
    width: 120px;
    height: 6px;
    background: #eff1f5;
    border-radius: 3px;
    overflow: hidden;
    margin-left: 0.75rem;
  }

  .trend-dim .dim-bar span {
    display: block;
    height: 100%;
    border-radius: 3px;
  }

  @media (max-width: 768px) {
    .hotcold-grid {
      grid-template-columns: 1fr;
      gap: 1.2rem;
    }
    .number-list {
      grid-template-columns: repeat(5, 1fr);
    }
  }

  /* Chart section */
  .trend-showcase {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 2.5rem;
    align-items: center;
  }

  .trend-showcase .showcase-img {
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    position: relative;
  }

  .trend-showcase .showcase-img img {
    width: 100%;
    height: auto;
    object-fit: cover;
  }

  .showcase-img .img-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.85), transparent);
    padding: 2rem 1.5rem 1.2rem;
    color: #fff;
  }

  .showcase-img .img-overlay h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
  }

  .showcase-img .img-overlay p {
    font-size: 0.82rem;
    color: #cbd5e1;
  }

  .trend-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .feature-item {
    background: #fff;
    border-radius: 0.9rem;
    padding: 1.1rem 1.2rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }

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

  .feature-item .feat-icon {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: rgba(11, 130, 240, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.7rem;
    font-size: 0.9rem;
  }

  .feature-item h4 {
    font-size: 0.92rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.3rem;
  }

  .feature-item p {
    font-size: 0.8rem;
    color: var(--text-weak);
    line-height: 1.6;
  }

  @media (max-width: 768px) {
    .trend-showcase {
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }
    .trend-features {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 480px) {
    .trend-features {
      grid-template-columns: 1fr;
    }
  }

  /* Content cards */
  .content-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }

  .content-card {
    background: #fff;
    border-radius: 1.1rem;
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
    transition: all 0.28s ease;
    display: flex;
    flex-direction: column;
  }

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

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

  .content-card .card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

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

  .card-tag {
    position: absolute;
    top: 0.9rem;
    left: 0.9rem;
    background: rgba(15, 23, 42, 0.85);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.2rem 0.7rem;
    border-radius: 2rem;
    backdrop-filter: blur(6px);
  }

  .card-body {
    padding: 1.15rem 1.25rem 1.35rem;
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  .card-body h3 {
    font-size: 1.02rem;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.4;
    margin-bottom: 0.55rem;
    transition: color 0.2s ease;
  }

  .content-card:hover .card-body h3 {
    color: var(--primary);
  }

  .card-body p {
    font-size: 0.85rem;
    color: var(--text-weak);
    line-height: 1.7;
    flex: 1;
    margin-bottom: 0.8rem;
  }

  .card-meta {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.78rem;
    color: #94a3b8;
  }

  .card-meta i {
    font-size: 0.7rem;
  }

  @media (max-width: 1024px) {
    .content-cards {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 640px) {
    .content-cards {
      grid-template-columns: 1fr;
    }
  }

  /* FAQ */
  .faq-wrap {
    max-width: 800px;
    margin: 0 auto;
  }

  .faq-item {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 0.85rem;
    padding: 1.1rem 1.4rem;
    margin-bottom: 0.75rem;
    transition: all 0.22s ease;
  }

  .faq-item:hover {
    border-color: rgba(11, 130, 240, 0.25);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  }

  .faq-item details {
    cursor: pointer;
  }

  .faq-item summary {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    list-style: none;
    user-select: none;
  }

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

  .faq-item summary .faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: #f0f9ff;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
  }

  .faq-item summary .fa-chevron-down {
    margin-left: auto;
    font-size: 0.75rem;
    color: #94a3b8;
    transition: transform 0.25s ease;
  }

  .faq-item details[open] summary .fa-chevron-down {
    transform: rotate(180deg);
  }

  .faq-item .faq-answer {
    margin-top: 0.85rem;
    padding-left: 2.2rem;
    color: var(--text-weak);
    font-size: 0.88rem;
    line-height: 1.8;
  }

  /* CTA */
  .cta-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 60%, #312e81 100%);
    border-radius: 1.5rem;
    padding: 3.5rem 2.5rem;
    position: relative;
    overflow: hidden;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.25), transparent 70%);
    border-radius: 50%;
  }

  .cta-section .cta-icon-wrap {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.35);
  }

  .cta-section h2 {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
  }

  .cta-section p {
    color: #b0b8d1;
    font-size: 0.95rem;
    max-width: 480px;
    line-height: 1.8;
    margin-bottom: 1.8rem;
  }

  .cta-section .cta-actions {
    display: flex;
    gap: 0.9rem;
    flex-wrap: wrap;
  }

  .cta-section .btn-primary {
    background: linear-gradient(135deg, #fbbf24, #d97706);
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
    border: none;
  }

  .cta-section .btn-primary:hover {
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.5);
  }

  .cta-section .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    color: #e2e8f0;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.58rem 1.4rem;
    border-radius: 0.65rem;
    transition: all 0.25s ease;
  }

  .cta-section .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.35);
  }

  @media (max-width: 768px) {
    .cta-section {
      padding: 2.5rem 1.5rem;
    }
    .cta-section h2 {
      font-size: 1.5rem;
    }
  }

  /* ===== Focus states ===== */
  a:focus, button:focus, input:focus {
    outline: 3px solid rgba(11, 130, 240, 0.4);
    outline-offset: 2px;
  }

/* roulang page: category3 */
:root{
    --brand:#e8b84b;
    --brand-2:#f6d47a;
    --brand-dark:#b3872e;
    --accent:#ff7a3d;
    --bg-deep:#0b0e1a;
    --bg-body:#0e1322;
    --surface:#151b2e;
    --surface-2:#1c2438;
    --border:rgba(255,255,255,.08);
    --border-2:rgba(255,255,255,.16);
    --text:#edf2f8;
    --text-weak:#a7b1c4;
    --text-mute:#737f96;
    --radius:20px;
    --shadow:0 20px 60px rgba(0,0,0,.35);
    --shadow-lg:0 30px 80px rgba(0,0,0,.5);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg-body);
    color:var(--text);
    font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
  }
  ::selection{background:rgba(232,184,75,.3)}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  button,input{font-family:inherit}
  h1,h2,h3,h4{line-height:1.3;margin:0}
  .text-brand{color:var(--brand)}

  .container-custom{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  .section{padding:106px 0;position:relative}
  .section-head{max-width:820px;margin:0 auto 56px;text-align:center}
  .section-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:7px 16px;border:1px solid var(--border-2);
    border-radius:999px;background:rgba(255,255,255,.04);
    color:var(--brand);font-size:13px;font-weight:600;
    letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px;
  }
  .section-title{font-size:clamp(28px,4vw,40px);font-weight:900;letter-spacing:-.02em}
  .section-sub{color:var(--text-weak);font-size:17px;margin:14px auto 0;max-width:640px}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;
    padding:14px 28px;border-radius:999px;font-size:15px;font-weight:600;
    border:1px solid transparent;cursor:pointer;transition:all .25s ease;line-height:1;
  }
  .btn i{font-size:14px}
  .btn-primary{
    background:linear-gradient(135deg,var(--brand),var(--brand-dark));
    color:#1b1509;box-shadow:0 12px 30px rgba(232,184,75,.26);
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 42px rgba(232,184,75,.36);color:#1b1509}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{
    background:rgba(255,255,255,.05);border-color:var(--border-2);
    color:var(--text);backdrop-filter:blur(6px);
  }
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
  .btn-sm{padding:10px 20px;font-size:14px}

  .site-header{
    position:sticky;top:0;z-index:80;
    background:rgba(10,14,24,.86);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--border);
  }
  .header-inner{display:flex;align-items:center;gap:26px;height:76px}
  .brand-logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-logo-icon{
    width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
    border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));
    color:#221a08;box-shadow:0 8px 22px rgba(232,184,75,.35);font-size:19px;
  }
  .brand-logo-text{font-size:24px;font-weight:900;letter-spacing:.02em;color:var(--text)}
  .brand-logo-text span{color:var(--brand)}
  .nav-links{display:flex;align-items:center;gap:6px}
  .nav-link{
    display:inline-flex;align-items:center;gap:8px;padding:10px 16px;
    border-radius:12px;font-size:15px;font-weight:500;color:var(--text-weak);
    transition:all .25s ease;white-space:nowrap;
  }
  .nav-link i{font-size:14px;color:var(--text-mute);transition:color .25s ease}
  .nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
  .nav-link.active{color:var(--brand);background:rgba(232,184,75,.1)}
  .nav-link.active i{color:var(--brand)}
  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  .header-search{position:relative}
  .header-search input{
    width:210px;height:38px;padding:0 36px 0 16px;border-radius:999px;
    background:rgba(255,255,255,.06);border:1px solid var(--border);color:var(--text);
    font-size:14px;outline:none;transition:all .25s ease;
  }
  .header-search input::placeholder{color:var(--text-mute)}
  .header-search input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(232,184,75,.12)}
  .header-search button{
    position:absolute;right:10px;top:50%;transform:translateY(-50%);
    background:transparent;border:0;color:var(--text-mute);cursor:pointer;
  }
  .btn-login{
    display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;
    border:1px solid var(--border-2);color:var(--text-weak);font-size:14px;
    font-weight:500;transition:all .25s ease;
  }
  .btn-login:hover{border-color:var(--brand);color:var(--brand)}
  .nav-toggle{
    display:none;width:40px;height:40px;align-items:center;justify-content:center;
    border-radius:12px;background:rgba(255,255,255,.06);border:1px solid var(--border-2);
    color:var(--text);cursor:pointer;margin-left:auto;
  }
  .nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
  .mobile-panel{display:none;border-top:1px solid var(--border);background:rgba(10,14,24,.98)}
  .site-header.menu-open .mobile-panel{display:block}
  .mobile-nav-links{display:flex;flex-direction:column;gap:6px;padding:18px 0 10px}
  .mobile-nav-links .nav-link{width:100%}
  .mobile-actions{
    display:flex;flex-direction:column;gap:12px;padding:8px 0 22px;
    border-top:1px solid var(--border);margin-top:10px;
  }
  .mobile-actions .header-search input{width:100%}
  .mobile-btn-row{display:flex;gap:10px}
  .mobile-btn-row .btn{flex:1}

  @media (max-width:1179px){
    .nav-links{display:none}
    .header-actions{display:none}
    .nav-toggle{display:inline-flex}
    .header-inner{gap:14px}
  }
  @media (min-width:1180px){
    .mobile-panel{display:none !important}
  }

  .service-hero{
    position:relative;min-height:680px;display:flex;align-items:center;
    padding:110px 0;overflow:hidden;
  }
  .service-hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
  }
  .service-hero-bg::after{
    content:'';position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(9,13,24,.95) 0%,rgba(9,13,24,.82) 45%,rgba(15,20,40,.35) 100%);
  }
  .hero-grid{
    position:absolute;inset:0;
    background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
    background-size:48px 48px;
    -webkit-mask-image:radial-gradient(ellipse at 30% 50%,#000 30%,transparent 75%);
    mask-image:radial-gradient(ellipse at 30% 50%,#000 30%,transparent 75%);
    opacity:.7;
  }
  .hero-content{position:relative;z-index:2;max-width:760px}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;
    background:rgba(232,184,75,.1);border:1px solid rgba(232,184,75,.4);
    color:var(--brand);font-size:14px;font-weight:600;margin-bottom:22px;
  }
  .hero-title{font-size:clamp(38px,6vw,66px);font-weight:900;line-height:1.15;letter-spacing:-.03em}
  .hero-sub{font-size:18px;color:var(--text-weak);margin-top:22px;max-width:620px}
  .hero-buttons{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
  .hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:38px;color:var(--text-weak);font-size:14px}
  .hero-meta span{display:inline-flex;align-items:center;gap:8px}
  .hero-meta i{color:var(--brand)}

  .metrics-section{background:linear-gradient(180deg,rgba(255,255,255,.012),rgba(255,255,255,0))}
  .metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
  .metric-card{
    background:linear-gradient(180deg,var(--surface),rgba(20,27,48,.35));
    border:1px solid var(--border);border-radius:var(--radius);
    padding:36px 24px 30px;text-align:center;transition:all .3s ease;
    position:relative;overflow:hidden;
  }
  .metric-card::before{
    content:'';position:absolute;top:0;left:0;right:0;height:3px;
    background:linear-gradient(90deg,transparent,var(--brand),transparent);
    opacity:0;transition:opacity .3s;
  }
  .metric-card:hover{transform:translateY(-6px);border-color:rgba(232,184,75,.4);box-shadow:var(--shadow)}
  .metric-card:hover::before{opacity:1}
  .metric-num{font-size:46px;font-weight:900;color:var(--brand);line-height:1.1}
  .metric-label{font-size:16px;font-weight:600;margin-top:10px;color:var(--text)}
  .metric-desc{font-size:13px;color:var(--text-mute);margin-top:6px}

  .service-system{
    background:radial-gradient(ellipse at 80% 15%,rgba(232,184,75,.06),transparent 45%),var(--bg-body);
  }
  .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .service-card{
    background:linear-gradient(180deg,var(--surface),rgba(20,27,48,.5));
    border:1px solid var(--border);border-radius:var(--radius);
    overflow:hidden;transition:all .3s ease;
  }
  .service-card:hover{transform:translateY(-8px);border-color:rgba(232,184,75,.4);box-shadow:var(--shadow-lg)}
  .card-image{position:relative;overflow:hidden;aspect-ratio:16/10}
  .card-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
  .service-card:hover .card-image img{transform:scale(1.06)}
  .card-image::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(11,15,26,.3))}
  .card-body{padding:28px 26px 30px}
  .card-label{
    display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.08em;
    color:var(--brand);border:1px solid rgba(232,184,75,.3);
    background:rgba(232,184,75,.08);padding:5px 12px;border-radius:999px;
    margin-bottom:16px;font-weight:600;
  }
  .card-body h3{font-size:22px;font-weight:800;margin-bottom:12px}
  .card-body p{color:var(--text-weak);font-size:15px;margin-bottom:20px}
  .list-tick{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-direction:column;gap:10px}
  .list-tick li{display:flex;align-items:center;gap:10px;color:var(--text-weak);font-size:14px}
  .list-tick li::before{
    font-family:'Font Awesome 6 Free';content:'\f00c';font-weight:900;font-size:12px;
    color:var(--brand);background:rgba(232,184,75,.12);width:22px;height:22px;
    border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
  }
  .card-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);transition:gap .25s ease}
  .card-link:hover{gap:12px}

  .process-section{background:rgba(255,255,255,.015)}
  .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .process-item{
    position:relative;background:var(--surface);border:1px solid var(--border);
    border-radius:var(--radius);padding:32px 26px;transition:all .3s ease;overflow:hidden;
  }
  .process-item:hover{transform:translateY(-6px);border-color:rgba(232,184,75,.4);box-shadow:var(--shadow)}
  .process-number{font-size:56px;font-weight:900;line-height:1;color:rgba(232,184,75,.85);margin-bottom:18px}
  @supports (-webkit-text-stroke:1px black){
    .process-number{color:transparent;-webkit-text-stroke:1px rgba(232,184,75,.65)}
  }
  .process-item h3{font-size:20px;font-weight:800;margin-bottom:10px}
  .process-item p{color:var(--text-weak);font-size:14px;margin:0}

  .feature-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
  .feature-visual{position:relative}
  .feature-visual > img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow-lg);border:1px solid var(--border)}
  .feature-float{
    position:absolute;left:20px;bottom:20px;background:rgba(13,17,30,.9);
    backdrop-filter:blur(10px);border:1px solid var(--border-2);border-radius:16px;
    padding:16px 20px;display:flex;align-items:center;gap:12px;
  }
  .feature-float span{font-weight:700;font-size:15px;display:flex;align-items:center;gap:8px}
  .feature-float span i{color:var(--brand)}
  .feature-float small{color:var(--text-weak);font-size:12px}
  .feature-content .section-eyebrow{margin-bottom:12px}
  .feature-content .section-sub{margin-left:0;margin-right:0}
  .feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:30px 0 34px}
  .feature-item{display:flex;gap:12px;align-items:flex-start}
  .feature-item i{color:var(--brand);font-size:20px;margin-top:4px}
  .feature-item h4{font-size:16px;font-weight:700;margin-bottom:4px}
  .feature-item p{font-size:13px;color:var(--text-mute);margin:0}

  .voices-section{background:radial-gradient(ellipse at 10% 20%,rgba(255,122,61,.05),transparent 40%),var(--bg-body)}
  .voices-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .voice-card{
    background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
    padding:30px;transition:all .3s ease;display:flex;flex-direction:column;
  }
  .voice-card:hover{transform:translateY(-6px);border-color:rgba(232,184,75,.3);box-shadow:var(--shadow)}
  .voice-stars{color:var(--brand);font-size:14px;margin-bottom:16px;letter-spacing:2px}
  .voice-card > p{color:var(--text-weak);font-size:15px;line-height:1.9;margin:0 0 24px;flex:1}
  .voice-user{display:flex;align-items:center;gap:12px;padding-top:18px;border-top:1px solid var(--border)}
  .voice-avatar{
    width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
    font-weight:800;color:#221a08;background:linear-gradient(135deg,var(--brand),var(--brand-2));font-size:16px;
  }
  .voice-user strong{display:block;font-size:15px}
  .voice-user span{font-size:12px;color:var(--text-mute)}

  .faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
  .faq-item{background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden;transition:border-color .3s,background .3s}
  .faq-item[open]{border-color:rgba(232,184,75,.4);background:linear-gradient(180deg,rgba(232,184,75,.05),transparent)}
  .faq-question{
    display:flex;justify-content:space-between;align-items:center;gap:16px;
    padding:22px 24px;cursor:pointer;list-style:none;font-size:17px;font-weight:700;color:var(--text);
  }
  .faq-question::-webkit-details-marker{display:none}
  .faq-question::after{
    font-family:'Font Awesome 6 Free';content:'\f078';font-weight:900;
    color:var(--brand);font-size:14px;transition:transform .3s;
  }
  .faq-item[open] .faq-question::after{transform:rotate(180deg)}
  .faq-answer{padding:0 24px 24px;color:var(--text-weak);font-size:15px}
  .faq-answer p{margin:0;line-height:1.8}

  .cta-section{position:relative;padding:100px 0;isolation:isolate;overflow:hidden}
  .cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;z-index:-2}
  .cta-section::after{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(9,13,24,.96) 30%,rgba(9,13,24,.86));z-index:-1}
  .cta-form{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:34px;position:relative;z-index:2}
  .cta-input{
    min-width:280px;max-width:440px;flex:1;height:50px;padding:0 20px;border-radius:999px;
    background:rgba(255,255,255,.07);border:1px solid var(--border-2);color:var(--text);
    outline:none;font-size:15px;transition:all .25s;
  }
  .cta-input::placeholder{color:var(--text-mute)}
  .cta-input:focus{border-color:var(--brand);box-shadow:0 0 0 5px rgba(232,184,75,.14)}
  .cta-tip{margin-top:18px;color:var(--text-mute);font-size:13px;display:inline-flex;align-items:center;gap:8px}

  .site-footer{background:#080b14;border-top:1px solid var(--border);padding:70px 0 28px}
  .footer-grid{display:grid;grid-template-columns:2.2fr 1fr 1fr;gap:40px}
  .footer-brand .brand-logo{margin-bottom:18px}
  .footer-brand p{color:var(--text-weak);font-size:14px;line-height:1.9;margin:0;max-width:420px}
  .footer-col h4{color:var(--text);font-size:16px;font-weight:700;margin-bottom:18px}
  .footer-col a{display:block;color:var(--text-weak);font-size:14px;padding:6px 0;transition:all .25s}
  .footer-col a:hover{color:var(--brand);padding-left:6px}
  .footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:44px;padding-top:22px;border-top:1px solid var(--border);color:var(--text-mute);font-size:13px}
  .footer-domain{letter-spacing:.04em;color:var(--text-mute)}

  @media (max-width:1024px){
    .section{padding:80px 0}
    .metrics-grid{grid-template-columns:repeat(2,1fr)}
    .service-grid{grid-template-columns:repeat(2,1fr)}
    .process-grid{grid-template-columns:repeat(2,1fr)}
    .feature-wrap{grid-template-columns:1fr;gap:40px}
    .voices-grid{grid-template-columns:repeat(2,1fr)}
    .footer-grid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:768px){
    .section{padding:64px 0}
    .service-grid{grid-template-columns:1fr}
    .voices-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .metric-card{padding:26px 18px}
  }
  @media (max-width:640px){
    .container-custom{padding:0 18px}
    .process-grid{grid-template-columns:1fr}
    .feature-list{grid-template-columns:1fr}
    .hero-meta{flex-direction:column;align-items:flex-start}
    .cta-form{flex-direction:column;align-items:stretch}
    .cta-input{width:100%;max-width:none;min-width:0}
    .header-search input{width:100%}
  }