/* roulang page: index */
/* ===== 设计变量与基础 Reset ===== */
:root {
  --primary: #1a1a2e;
  --deep: #16213e;
  --accent: #e6a817;
  --accent-light: #fbbf24;
  --bg-soft: #f8fafc;
  --bg-card: #ffffff;
  --text-ink: #1e293b;
  --text-subtle: #64748b;
  --border-line: #e2e8f0;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --section-gap: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-soft);
  color: var(--text-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.3s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input {
  font-family: inherit;
}

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

/* ===== Header / 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(26, 26, 46, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 78px;
  padding: 0 32px;
  max-width: 1400px;
  margin: 0 auto;
  gap: 24px;
}

.site-logo {
  font-size: 1.625rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
  background: linear-gradient(135deg, #fbbf24, #e6a817);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  display: inline-block;
  padding: 4px 0;
  transition: opacity 0.3s;
}

.site-logo:hover {
  opacity: 0.85;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-left {
  justify-content: flex-end;
}

.nav-right {
  justify-content: flex-start;
}

.nav-link {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
  letter-spacing: 0.3px;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.nav-link.active {
  color: var(--primary);
  background: linear-gradient(135deg, #fbbf24, #e6a817);
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(230, 168, 23, 0.35);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #fbbf24, #e6a817);
  color: var(--primary) !important;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 16px rgba(230, 168, 23, 0.35);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(230, 168, 23, 0.45);
}

.menu-toggle {
  display: none;
  color: #fff;
  font-size: 1.4rem;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
}

.mobile-drawer {
  display: none;
  background: var(--primary);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 16px 24px 24px;
}

.mobile-drawer .nav-link {
  display: block;
  padding: 14px 16px;
  border-radius: 10px;
  margin-bottom: 4px;
  font-size: 1rem;
}

.mobile-drawer .nav-link.active {
  background: linear-gradient(135deg, #fbbf24, #e6a817);
  color: var(--primary);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  isolation: isolate;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 26, 46, 0.92), rgba(22, 33, 62, 0.78), rgba(26, 26, 46, 0.88));
  z-index: -1;
}

.hero-content {
  text-align: center;
  color: #fff;
  padding: 140px 24px 80px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(230, 168, 23, 0.18);
  border: 1px solid rgba(230, 168, 23, 0.4);
  color: #fbbf24;
  padding: 8px 22px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 28px;
  animation: pulseGlow 2.5s infinite alternate;
}

@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(230, 168, 23, 0.4); }
  100% { box-shadow: 0 0 20px 4px rgba(230, 168, 23, 0.2); }
}

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #fbbf24, #e6a817);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: var(--radius-full);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #fbbf24, #e6a817);
  color: var(--primary);
  box-shadow: 0 8px 28px rgba(230, 168, 23, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 14px 40px rgba(230, 168, 23, 0.55);
}

.btn-outline {
  border: 2px solid rgba(255, 255, 255, 0.6);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: #fbbf24;
  color: #fbbf24;
  transform: translateY(-3px);
  background: rgba(230, 168, 23, 0.1);
}

/* ===== Hero 信息条 ===== */
.hero-info-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 28px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
}

.info-item {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  padding: 8px 12px;
  border-radius: 10px;
  transition: background 0.3s;
}

.info-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

.info-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(230, 168, 23, 0.2);
  color: #fbbf24;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.info-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-value {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

/* ===== 通用板块标题 ===== */
.section {
  padding: var(--section-gap) 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--text-ink);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-subtle);
  max-width: 640px;
  line-height: 1.8;
}

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

.text-center .section-desc {
  margin: 0 auto;
}

/* ===== 数据统计条 ===== */
.stats-section {
  background: linear-gradient(135deg, var(--primary), var(--deep));
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(230, 168, 23, 0.12), transparent 60%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 24px 16px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.4s ease;
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-6px);
  border-color: rgba(230, 168, 23, 0.3);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fbbf24, #e6a817);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  margin-top: 6px;
}

/* ===== 卡片网格 ===== */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--border-line);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #fbbf24, #e6a817);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(230, 168, 23, 0.15), rgba(230, 168, 23, 0.06));
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-ink);
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-subtle);
  line-height: 1.7;
}

/* ===== 分类卡片 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s ease;
  display: block;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.category-card .card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.category-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.category-card:hover .card-img img {
  transform: scale(1.08);
}

.category-card .card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26, 26, 46, 0.6), transparent 60%);
}

.category-card .card-body {
  padding: 24px;
}

.category-card .card-tag {
  display: inline-block;
  background: rgba(230, 168, 23, 0.1);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(230, 168, 23, 0.25);
  margin-bottom: 12px;
}

.category-card .card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-ink);
  margin-bottom: 8px;
}

.category-card .card-desc {
  font-size: 0.92rem;
  color: var(--text-subtle);
  line-height: 1.7;
  margin-bottom: 16px;
}

.card-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link:hover {
  gap: 10px;
}

/* ===== 资讯列表 ===== */
.news-section {
  background: var(--bg-card);
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

.news-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}

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

.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: var(--bg-soft);
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.news-item:hover {
  border-color: rgba(230, 168, 23, 0.3);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.news-icon {
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.news-content {
  flex: 1;
  min-width: 0;
}

.news-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.news-title:hover {
  color: var(--accent);
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-subtle);
}

.news-cat {
  background: rgba(230, 168, 23, 0.1);
  color: var(--accent);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: 0.75rem;
}

.news-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-subtle);
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-line);
  font-size: 1rem;
}

/* ===== 图文展示 ===== */
.showcase-section {
  background: var(--bg-soft);
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.showcase-card {
  display: flex;
  gap: 0;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-line);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s ease;
}

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

.showcase-card .showcase-img {
  width: 140px;
  min-height: 200px;
  flex-shrink: 0;
}

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

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

.showcase-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  background: linear-gradient(135deg, #fbbf24, #e6a817);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
}

.showcase-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-ink);
}

.showcase-desc {
  font-size: 0.9rem;
  color: var(--text-subtle);
  line-height: 1.7;
  flex: 1;
}

/* ===== 时间轴流程 ===== */
.steps-section {
  background: var(--primary);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.steps-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: url('/assets/images/backpic/back-2.png') center right / cover no-repeat;
  opacity: 0.15;
  pointer-events: none;
}

.steps-section .section-title {
  color: #fff;
}

.steps-section .section-desc {
  color: rgba(255, 255, 255, 0.7);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
  position: relative;
  z-index: 1;
  margin-top: 48px;
}

.step-item {
  position: relative;
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s;
}

.step-item:hover {
  transform: translateY(-4px);
}

.step-item::before {
  content: '';
  position: absolute;
  top: 36px;
  left: -30%;
  right: -30%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(230, 168, 23, 0.3), transparent);
  z-index: -1;
}

.step-item:first-child::before {
  display: none;
}

.step-number {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fbbf24, #e6a817);
  color: var(--primary);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 0 0 6px rgba(230, 168, 23, 0.15);
  transition: all 0.3s;
}

.step-item:hover .step-number {
  box-shadow: 0 0 0 10px rgba(230, 168, 23, 0.25);
}

.step-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-card);
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--border-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-soft);
  transition: border-color 0.3s;
}

.faq-item.active {
  border-color: rgba(230, 168, 23, 0.3);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-ink);
  user-select: none;
}

.faq-question .faq-icon {
  color: var(--accent);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-item.active .faq-question .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s ease;
  color: var(--text-subtle);
  line-height: 1.8;
  font-size: 0.95rem;
}

.faq-item.active .faq-answer {
  padding: 0 24px 20px;
  max-height: 200px;
}

/* ===== CTA ===== */
.cta-section {
  background: url('/assets/images/backpic/back-3.png') center center / cover fixed no-repeat;
  position: relative;
  padding: 100px 0;
  isolation: isolate;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26, 26, 46, 0.94), rgba(22, 33, 62, 0.88));
  z-index: -1;
}

.cta-content {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  color: #fff;
}

.cta-content .section-title {
  color: #fff;
}

.cta-content .section-desc {
  color: rgba(255, 255, 255, 0.75);
  margin: 0 auto 40px;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.4fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .site-logo {
  margin-bottom: 16px;
  display: inline-block;
}

.footer-about {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-title {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s;
}

.footer-links a:hover {
  color: #fbbf24;
  padding-left: 4px;
}

.footer-links a i {
  font-size: 0.7rem;
  color: var(--accent);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-contact span i {
  color: var(--accent);
  margin-right: 8px;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a:hover {
  color: #fbbf24;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  :root {
    --section-gap: 72px;
  }

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

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

  .showcase-card .showcase-img {
    width: 120px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    grid-template-columns: auto 1fr auto;
    padding: 0 20px;
    min-height: 70px;
  }

  .nav-left,
  .nav-right {
    display: none;
  }

  .site-logo {
    font-size: 1.25rem;
    justify-self: center;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-drawer.open {
    display: block;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding: 120px 20px 60px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  .hero-info-bar {
    grid-template-columns: 1fr 1fr;
    padding: 16px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .section {
    padding: 56px 0;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .step-item::before {
    display: none;
  }

  .showcase-card {
    flex-direction: column;
  }

  .showcase-card .showcase-img {
    width: 100%;
    height: 160px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .hero-info-bar {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .info-item {
    justify-content: center;
    text-align: center;
  }

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

  .stat-number {
    font-size: 2rem;
  }

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

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .step-item {
    padding: 24px 16px;
  }

  .faq-question {
    font-size: 0.95rem;
    padding: 16px 18px;
  }

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

  .faq-item.active .faq-answer {
    padding: 0 18px 16px;
  }

  .category-card .card-img {
    height: 160px;
  }
}

/* roulang page: category1 */
:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --cyan: #06b6d4;
    --dark: #0f172a;
    --dark-soft: #1e293b;
    --bg: #f8fafc;
    --surface: #ffffff;
    --text: #1e293b;
    --muted: #64748b;
    --border: #e2e8f0;
    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
    --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.12);
    --transition: 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
}
a { color: inherit; text-decoration: none; transition: color var(--transition), background var(--transition), border-color var(--transition), opacity var(--transition); }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.site-header {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}
.site-header .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    height: 76px;
}
.nav-left, .nav-right { display: flex; align-items: center; gap: 6px; }
.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    padding: 9px 18px;
    border-radius: 999px;
    transition: all var(--transition);
    white-space: nowrap;
}
.nav-link:hover { background: #eef2ff; color: var(--primary); }
.nav-link.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}
.site-logo { white-space: nowrap; }
.site-header .site-logo {
    font-size: 27px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
}
.site-header .site-logo .logo-highlight {
    background: none;
    -webkit-text-fill-color: currentColor;
    color: var(--dark);
}
.header-right { display: flex; align-items: center; gap: 10px; }
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    background: #eef2ff;
    color: var(--primary);
    border: none;
    border-radius: 12px;
    font-size: 18px;
    cursor: pointer;
    transition: all var(--transition);
}
.nav-toggle:hover { background: #e0e7ff; }
.mobile-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 64px;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 12px 20px 20px;
    box-shadow: var(--shadow);
    z-index: 99;
}
.mobile-nav.open { display: block; }
.mobile-link {
    display: block;
    padding: 13px 18px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
    transition: all var(--transition);
}
.mobile-link:hover { background: #eef2ff; color: var(--primary); }
.mobile-link.active { background: var(--primary); color: #fff; }
@media (max-width: 768px) {
    .nav-left, .nav-right { display: none; }
    .nav-toggle { display: inline-flex; }
    .site-header .header-inner { height: 64px; }
    .site-header .site-logo { font-size: 22px; }
}
.category-hero {
    position: relative;
    padding: 92px 0 96px;
    background-size: cover;
    background-position: center;
    color: #fff;
}
.category-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(15, 23, 42, 0.93) 0%, rgba(79, 70, 229, 0.75) 55%, rgba(6, 182, 212, 0.4) 100%);
}
.hero-content { position: relative; z-index: 2; }
.hero-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #c7d2fe;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 7px 16px;
    border-radius: 999px;
    margin-bottom: 22px;
    backdrop-filter: blur(6px);
}
.hero-breadcrumb a { color: #e0e7ff; }
.hero-breadcrumb a:hover { color: #fff; }
.hero-breadcrumb i { font-size: 11px; color: #94a3b8; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.28);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: 999px;
    margin-bottom: 20px;
}
.category-hero h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.15;
    margin: 0 0 16px;
    letter-spacing: -0.5px;
}
.category-hero p {
    max-width: 620px;
    font-size: 17px;
    line-height: 1.8;
    color: #e2e8f0;
    margin: 0 0 28px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    padding: 13px 28px;
    border-radius: 999px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    line-height: 1.4;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: #fff;
    box-shadow: 0 6px 18px rgba(79, 70, 229, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(79, 70, 229, 0.45); }
.btn-outline { background: transparent; border-color: rgba(255, 255, 255, 0.7); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.14); border-color: #fff; }
.btn-white { background: #fff; color: var(--dark); box-shadow: 0 6px 16px rgba(15, 23, 42, 0.15); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(15, 23, 42, 0.22); }
.btn-dark { border-color: var(--dark); color: var(--dark); background: transparent; }
.btn-dark:hover { background: var(--dark); color: #fff; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 42px; padding-top: 28px; border-top: 1px solid rgba(255, 255, 255, 0.18); }
.hero-stat { display: flex; flex-direction: column; }
.hero-stat b { font-size: 26px; font-weight: 800; color: #fff; }
.hero-stat span { font-size: 13px; color: #b6bee8; }
.section { padding: 76px 0; }
.section.alt { background: #f1f5f9; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #eef2ff;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    padding: 7px 18px;
    border-radius: 999px;
    margin-bottom: 14px;
}
.section-title { font-size: 32px; font-weight: 800; color: var(--dark); line-height: 1.25; margin: 0 0 10px; letter-spacing: -0.3px; }
.section-sub { font-size: 16px; color: var(--muted); max-width: 660px; margin: 0 auto; }
.step-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 26px;
    text-align: center;
    position: relative;
    transition: transform var(--transition), box-shadow var(--transition);
    height: 100%;
}
.step-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.step-num {
    position: absolute;
    top: 14px;
    right: 16px;
    font-size: 12px;
    font-weight: 700;
    color: #a5b4fc;
    background: #eef2ff;
    padding: 3px 12px;
    border-radius: 999px;
    letter-spacing: 0.5px;
}
.step-icon {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    margin: 0 auto 18px;
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.28);
}
.step-card h3 { font-size: 18px; font-weight: 700; color: var(--dark); margin: 0 0 10px; }
.step-card p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.7; }
.article-card {
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.article-card .card-img { position: relative; height: 200px; overflow: hidden; }
.article-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; }
.article-card:hover .card-img img { transform: scale(1.06); }
.card-badge {
    position: absolute;
    left: 16px;
    top: 16px;
    background: rgba(15, 23, 42, 0.72);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
}
.article-card .card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.article-card h3 { font-size: 18px; font-weight: 700; color: var(--dark); margin: 0 0 10px; line-height: 1.45; }
.article-card p { font-size: 14px; color: var(--muted); margin: 0 0 18px; line-height: 1.75; flex: 1; }
.card-meta { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--muted); border-top: 1px solid var(--border); padding-top: 16px; }
.card-meta span { display: inline-flex; align-items: center; gap: 6px; }
.card-meta i { color: var(--primary); }
.section-cta-row { margin-top: 44px; text-align: center; }
.feature-item {
    display: flex;
    gap: 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 26px;
    transition: transform var(--transition), box-shadow var(--transition);
    height: 100%;
}
.feature-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.feature-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: #eef2ff;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}
.feature-item h3 { font-size: 17px; font-weight: 700; color: var(--dark); margin: 0 0 8px; }
.feature-item p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.7; }
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow var(--transition), border-color var(--transition);
}
.faq-item.active { box-shadow: var(--shadow); border-color: rgba(79, 70, 229, 0.35); }
.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 18px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    text-align: left;
    transition: color var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question i { color: var(--primary); transition: transform 0.3s ease; }
.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: 360px; }
.faq-answer p { padding: 0 24px 20px; margin: 0; font-size: 14px; color: var(--muted); line-height: 1.8; }
.cta-section {
    position: relative;
    padding: 84px 0;
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
}
.cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(15, 23, 42, 0.9), rgba(79, 70, 229, 0.78));
}
.cta-content { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-content h2 { font-size: 34px; font-weight: 800; margin: 0 0 14px; line-height: 1.2; }
.cta-content p { font-size: 16px; color: #e2e8f0; margin: 0 0 30px; line-height: 1.8; }
.site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 64px 0 0;
}
.site-footer .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 44px;
    padding-bottom: 44px;
    border-bottom: 1px solid #1e293b;
}
.site-footer .site-logo {
    font-size: 26px;
    font-weight: 800;
    background: linear-gradient(135deg, #a5b4fc, #67e8f9);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
}
.site-footer .site-logo span {
    background: none;
    -webkit-text-fill-color: currentColor;
    color: #fff;
}
.footer-about { font-size: 14px; line-height: 1.9; margin: 16px 0 0; max-width: 320px; }
.footer-title { color: #fff; font-size: 16px; font-weight: 700; margin: 0 0 18px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
    color: #94a3b8;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color var(--transition), transform var(--transition);
}
.footer-links a:hover { color: #fff; transform: translateX(3px); }
.footer-links i { color: #6366f1; font-size: 10px; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; font-size: 14px; }
.footer-contact span { display: flex; align-items: center; gap: 10px; }
.footer-contact i { color: #6366f1; width: 16px; text-align: center; }
.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: #64748b;
}
.footer-bottom a { color: #94a3b8; }
.footer-bottom a:hover { color: #fff; }
@media (max-width: 1024px) {
    .container { padding: 0 16px; }
    .nav-link { padding: 8px 14px; font-size: 14px; }
    .site-header .site-logo { font-size: 24px; }
    .footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1.1fr; gap: 32px; }
}
@media (max-width: 768px) {
    .section { padding: 56px 0; }
    .category-hero { padding: 60px 0 64px; }
    .category-hero h1 { font-size: 34px; }
    .category-hero p { font-size: 15px; }
    .section-title { font-size: 26px; }
    .hero-stats { gap: 20px; }
    .hero-stat b { font-size: 22px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .cta-content h2 { font-size: 26px; }
    .faq-question { font-size: 15px; padding: 16px 18px; }
    .faq-answer p { padding: 0 18px 16px; }
}
@media (max-width: 520px) {
    .category-hero { padding: 48px 0 52px; }
    .category-hero h1 { font-size: 28px; }
    .category-hero p { font-size: 14px; line-height: 1.7; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .hero-stats { flex-direction: column; gap: 16px; margin-top: 30px; }
    .section { padding: 44px 0; }
    .section-title { font-size: 22px; }
    .section-sub { font-size: 14px; }
    .article-card .card-body { padding: 18px; }
    .step-card { padding: 22px 18px; }
    .client-hide { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 26px; }
    .cta-section { padding: 56px 0; }
    .cta-content h2 { font-size: 23px; }
    .cta-content p { font-size: 14px; }
    .cta-content .btn { width: 100%; justify-content: center; margin-bottom: 8px; }
    .mobile-nav { top: 64px; }
}
.gradient-text {
    background: linear-gradient(135deg, var(--primary), #7c3aed, var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.platform-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: all var(--transition);
    height: 100%;
}
.platform-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.platform-card .platform-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(79, 70, 229, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 14px;
}
.platform-card h4 { font-size: 15px; font-weight: 700; color: var(--dark); margin: 0 0 6px; }
.platform-card p { font-size: 13px; color: var(--muted); margin: 0; }
.breadcrumb-wrapper { position: relative; z-index: 2; }

/* roulang page: article */
:root{
  --primary:#c9a35c;
  --primary-dark:#a8823a;
  --primary-light:#e6cc9b;
  --ink:#1d1e20;
  --ink-soft:#6b7280;
  --paper:#f7f5f0;
  --night:#111317;
  --night-light:#1a1d24;
  --border:#e6e2db;
  --white:#ffffff;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-sm:0 2px 8px rgba(0,0,0,.05);
  --shadow-md:0 6px 24px rgba(0,0,0,.07);
  --shadow-lg:0 16px 44px rgba(0,0,0,.10);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{width:100%;max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.container-fluid{width:100%;padding-left:24px;padding-right:24px}

/* ========== Header & Nav ========== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(17,19,23,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 8px 32px rgba(0,0,0,.28)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:12px;position:relative;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:4px}
.nav-right{justify-content:flex-end}
.site-logo{
  font-size:26px;font-weight:800;letter-spacing:1px;
  color:#fff;display:inline-flex;align-items:center;gap:4px;
  line-height:1.2;white-space:nowrap;
}
.site-logo span{color:var(--primary);font-weight:800}
.site-logo-center{position:absolute;left:50%;transform:translateX(-50%)}
.site-logo-mobile{display:none}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  color:rgba(255,255,255,.72);font-size:15px;font-weight:500;
  padding:8px 16px;border-radius:var(--radius-pill);
  transition:color .2s ease,background .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px)}
.nav-link.active{color:#fff;background:rgba(201,163,92,.22);box-shadow:inset 0 0 0 1px rgba(201,163,92,.28)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  color:#fff;font-size:18px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);transition:background .2s ease;
}
.menu-toggle:hover{background:rgba(255,255,255,.14)}
.mobile-menu{
  display:none;position:absolute;top:72px;left:0;right:0;
  background:var(--night);padding:16px 24px 24px;
  border-bottom:1px solid rgba(255,255,255,.06);
  box-shadow:0 20px 40px rgba(0,0,0,.3);
}
.mobile-menu.open{display:block}
.mobile-link{
  display:block;color:rgba(255,255,255,.85);font-size:16px;font-weight:500;
  padding:14px 12px;border-radius:10px;margin-bottom:4px;
  transition:background .2s ease,color .2s ease;
}
.mobile-link:hover{background:rgba(255,255,255,.07);color:#fff}
.mobile-link.active{background:rgba(201,163,92,.18);color:#fff}

/* ========== Banner ========== */
.page-banner{
  position:relative;padding:148px 0 72px;background-size:cover;background-position:center;
  display:flex;align-items:center;overflow:hidden;
}
.banner-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(17,19,23,.62) 0%,rgba(17,19,23,.78) 100%);
}
.banner-content{position:relative;z-index:2;text-align:center}
.banner-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(201,163,92,.18);color:var(--primary-light);
  border:1px solid rgba(201,163,92,.32);
  padding:6px 20px;border-radius:var(--radius-pill);
  font-size:13px;letter-spacing:1px;margin-bottom:18px;
}
.banner-title{
  color:#fff;font-size:38px;font-weight:800;line-height:1.3;
  max-width:860px;margin:0 auto 18px;letter-spacing:.5px;
  text-shadow:0 4px 24px rgba(0,0,0,.3);
}
.banner-meta{
  display:flex;justify-content:center;gap:22px;color:rgba(255,255,255,.78);
  font-size:14px;flex-wrap:wrap;
}
.banner-meta span{display:inline-flex;align-items:center;gap:7px}
.banner-meta i{color:var(--primary)}

/* ========== Breadcrumb ========== */
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--ink-soft);margin-bottom:28px;
  flex-wrap:wrap;
}
.breadcrumb a{display:inline-flex;align-items:center;gap:6px;color:var(--ink-soft);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary-dark)}
.breadcrumb .separator{color:#c6c2ba}
.breadcrumb .current{color:var(--ink);font-weight:500}

/* ========== Article Layout ========== */
.article-section{padding:72px 0 80px;background:var(--paper)}
.article-grid{display:grid;grid-template-columns:1fr 340px;gap:36px}
.article-main{
  background:var(--white);border-radius:var(--radius-lg);
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
  padding:42px;overflow:hidden;
}
.article-header{border-bottom:1px solid var(--border);padding-bottom:26px;margin-bottom:30px}
.article-header h1{
  font-size:30px;line-height:1.4;font-weight:800;color:var(--ink);
  margin-bottom:14px;letter-spacing:.3px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;align-items:center;color:var(--ink-soft);font-size:14px}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.badge{
  display:inline-block;background:rgba(201,163,92,.14);color:var(--primary-dark);
  border:1px solid rgba(201,163,92,.28);font-size:13px;font-weight:600;
  padding:4px 14px;border-radius:var(--radius-pill);
}
.article-cover{
  width:100%;border-radius:var(--radius-md);object-fit:cover;
  margin-bottom:30px;max-height:420px;
}
.article-content{
  font-size:16px;line-height:1.9;color:#333438;
}
.article-content p{margin-bottom:20px}
.article-content h2{font-size:23px;font-weight:700;color:var(--ink);margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--primary)}
.article-content h3{font-size:19px;font-weight:700;color:var(--ink);margin:28px 0 12px}
.article-content ul,.article-content ol{margin:0 0 22px 22px}
.article-content li{margin-bottom:8px}
.article-content img{border-radius:var(--radius-md);margin:24px 0}
.article-content a{color:var(--primary-dark);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--primary)}
.article-content blockquote{
  border-left:4px solid var(--primary);background:rgba(201,163,92,.08);
  padding:18px 22px;border-radius:0 var(--radius-md) var(--radius-md) 0;
  margin:24px 0;color:#555;
}
.article-tags{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;
  padding-top:24px;border-top:1px solid var(--border);
}
.tag-item{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--paper);border:1px solid var(--border);
  color:var(--ink-soft);font-size:13px;padding:6px 14px;border-radius:var(--radius-pill);
  transition:all .2s ease;
}
.tag-item:hover{border-color:var(--primary);color:var(--primary-dark);background:rgba(201,163,92,.08)}

/* ========== Sidebar ========== */
.sidebar{display:flex;flex-direction:column;gap:22px}
.sidebar-card{
  background:var(--white);border-radius:var(--radius-lg);
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
  padding:26px;
}
.sidebar-title{
  font-size:17px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:9px;margin-bottom:16px;
}
.sidebar-title i{color:var(--primary)}
.sidebar-card p{color:var(--ink-soft);font-size:14px;line-height:1.75}
.sidebar-cats{display:flex;flex-direction:column;gap:8px}
.sidebar-cats a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;background:var(--paper);
  border:1px solid var(--border);border-radius:10px;
  color:var(--ink);font-size:14px;font-weight:500;
  transition:all .2s ease;
}
.sidebar-cats a i{color:#b8b4ac;font-size:12px;transition:transform .2s ease,color .2s ease}
.sidebar-cats a:hover{border-color:var(--primary);background:rgba(201,163,92,.08);color:var(--primary-dark)}
.sidebar-cats a:hover i{transform:translateX(3px);color:var(--primary)}
.sidebar-cta-card{
  background:linear-gradient(145deg,var(--night) 0%,var(--night-light) 100%);
  border:none;text-align:center;
}
.sidebar-cta-card h3{color:#fff;font-size:18px;font-weight:700;margin-bottom:10px}
.sidebar-cta-card p{color:rgba(255,255,255,.68);font-size:14px;margin-bottom:18px}

/* ========== Buttons ========== */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;font-weight:700;font-size:15px;
  padding:12px 28px;border-radius:var(--radius-pill);
  box-shadow:0 6px 20px rgba(201,163,92,.35);
  transition:all .25s ease;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(201,163,92,.45)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-primary:focus-visible{outline:3px solid rgba(201,163,92,.5);outline-offset:2px}
.btn-lg{padding:15px 40px;font-size:17px}
.btn-block{width:100%}

/* ========== Section Head ========== */
.section-head{text-align:center;margin-bottom:44px}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary-dark);font-size:13px;font-weight:600;letter-spacing:2px;
  background:rgba(201,163,92,.1);border:1px solid rgba(201,163,92,.2);
  padding:5px 18px;border-radius:var(--radius-pill);margin-bottom:14px;
}
.section-title{font-size:30px;font-weight:800;color:var(--ink);line-height:1.35}
.section-sub{color:var(--ink-soft);font-size:16px;margin-top:10px}

/* ========== Related Cards ========== */
.related-section{padding:80px 0;background:var(--white);border-top:1px solid var(--border)}
.article-card{
  display:block;background:var(--paper);border-radius:var(--radius-lg);
  border:1px solid var(--border);overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(201,163,92,.4)}
.article-card-cover{height:190px;background-size:cover;background-position:center;position:relative}
.article-card-cover::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(0,0,0,.08))}
.article-card-body{padding:24px}
.card-badge{
  display:inline-block;background:rgba(201,163,92,.14);color:var(--primary-dark);
  border:1px solid rgba(201,163,92,.26);font-size:12px;font-weight:600;
  padding:3px 12px;border-radius:var(--radius-pill);margin-bottom:12px;
}
.card-title{
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.45;
  margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-excerpt{
  font-size:14px;color:var(--ink-soft);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;
}
.card-date{font-size:13px;color:#a9a5a0;display:inline-flex;align-items:center;gap:6px}

/* ========== FAQ ========== */
.faq-section{padding:80px 0;background:var(--paper)}
.faq-list{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--white);border:1px solid var(--border);
  border-radius:var(--radius-md);margin-bottom:14px;
  box-shadow:var(--shadow-sm);transition:border-color .2s ease;
}
.faq-item:hover{border-color:rgba(201,163,92,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 26px;font-weight:600;font-size:16px;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  user-select:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;
  font-size:13px;color:var(--primary);transition:transform .3s ease;
  flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-content{padding:0 26px 22px;color:var(--ink-soft);font-size:15px;line-height:1.8}

/* ========== CTA ========== */
.cta-section{padding:72px 0;position:relative;background-size:cover;background-position:center;background-color:var(--night)}
.cta-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(17,19,23,.88),rgba(17,19,23,.72))}
.cta-content{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto}
.cta-icon{
  width:64px;height:64px;border-radius:20px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(201,163,92,.18);border:1px solid rgba(201,163,92,.35);color:var(--primary);
  font-size:24px;margin-bottom:20px;
}
.cta-content h2{font-size:30px;font-weight:800;color:#fff;margin-bottom:14px}
.cta-content p{color:rgba(255,255,255,.72);font-size:16px;margin-bottom:26px}

/* ========== Not Found ========== */
.not-found-box{text-align:center;padding:52px 24px}
.not-found-box .nf-icon{
  width:88px;height:88px;margin:0 auto 22px;border-radius:50%;
  background:rgba(201,163,92,.1);border:1px solid rgba(201,163,92,.2);
  display:flex;align-items:center;justify-content:center;font-size:32px;color:var(--primary);
}
.not-found-box h2{font-size:26px;font-weight:800;color:var(--ink);margin-bottom:12px}
.not-found-box p{color:var(--ink-soft);margin-bottom:24px}

/* ========== Footer ========== */
.site-footer{background:var(--night);color:rgba(255,255,255,.72);padding:68px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:42px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.07);
}
.footer-brand .site-logo{font-size:26px}
.footer-about{font-size:14px;line-height:1.8;margin-top:14px;color:rgba(255,255,255,.6)}
.footer-title{color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
.footer-links{list-style:none;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a{
  color:rgba(255,255,255,.66);font-size:14px;display:inline-flex;align-items:center;gap:8px;
  transition:color .2s ease,transform .2s ease;
}
.footer-links a i{font-size:10px;color:var(--primary)}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px}
.footer-contact span{display:inline-flex;align-items:center;gap:10px;color:rgba(255,255,255,.6)}
.footer-contact i{color:var(--primary);width:16px;text-align:center}
.footer-bottom{
  padding:24px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--primary)}

/* ========== Responsive ========== */
@media (max-width:1024px){
  .article-grid{grid-template-columns:1fr;gap:28px}
  .sidebar{flex-direction:row;flex-wrap:wrap}
  .sidebar-card{flex:1 1 260px}
}
@media (max-width:768px){
  .header-inner{height:64px}
  .nav-left,.nav-right{display:none}
  .site-logo-center{display:none}
  .site-logo-mobile{
    display:inline-flex;margin-right:auto;
  }
  .menu-toggle{display:inline-flex;margin-left:auto}
  .page-banner{padding:116px 0 52px}
  .banner-title{font-size:26px}
  .article-main{padding:24px}
  .article-header h1{font-size:23px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section-title{font-size:25px}
  .related-section,.faq-section{padding:56px 0}
  .cta-content h2{font-size:24px}
  .container{padding-left:18px;padding-right:18px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .banner-title{font-size:22px}
  .article-main{padding:18px}
  .article-content{font-size:15px}
  .article-header h1{font-size:20px}
  .banner-meta{gap:12px;flex-direction:column}
  .section-title{font-size:22px}
  .btn-primary,.btn-lg{width:100%}
  .related-section .grid{grid-template-columns:1fr !important}
}

/* roulang page: category2 */
:root {
      --primary: #4f46e5;
      --primary-dark: #4338ca;
      --primary-light: #eef2ff;
      --secondary: #f59e0b;
      --bg: #f8fafc;
      --bg-white: #ffffff;
      --text: #1e293b;
      --text-muted: #64748b;
      --border: #e2e8f0;
      --radius: 18px;
      --radius-sm: 12px;
      --shadow: 0 10px 40px rgba(2, 6, 23, 0.07);
      --shadow-hover: 0 18px 44px rgba(79, 70, 229, 0.12);
      --transition: all .3s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'PingFang SC', '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%;
      display: block;
    }

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

    ul,
    ol {
      list-style: none;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* ========== Header & Nav ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border);
    }

    .header-inner {
      display: grid;
      grid-template-columns: 1fr auto 1fr;
      align-items: center;
      gap: 24px;
      height: 76px;
    }

    .nav-left,
    .nav-right {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .nav-right {
      justify-content: flex-end;
    }

    .nav-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 9px 18px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
      white-space: nowrap;
      transition: var(--transition);
    }

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

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

    .nav-link i {
      font-size: 13px;
      opacity: 0.85;
    }

    .site-logo {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 28px;
      font-weight: 800;
      letter-spacing: -1px;
      color: var(--primary);
      line-height: 1.2;
      white-space: nowrap;
      transition: var(--transition);
    }

    .site-logo:hover {
      opacity: 0.85;
    }

    .site-logo span {
      background: linear-gradient(135deg, #f59e0b, #f97316);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .mobile-nav {
      display: none;
      flex-direction: column;
      gap: 6px;
      padding: 12px 24px 20px;
      border-top: 1px solid var(--border);
      background: #fff;
    }

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

    .mobile-nav .nav-link {
      width: 100%;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      font-size: 15px;
    }

    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: #fff;
      color: var(--text);
      font-size: 17px;
      cursor: pointer;
      transition: var(--transition);
    }

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

    /* ========== Hero ========== */
    .hero {
      position: relative;
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.86), rgba(79, 70, 229, 0.78)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
      color: #fff;
      padding: 100px 0 96px;
      overflow: hidden;
    }

    .hero::after {
      content: '';
      position: absolute;
      right: -80px;
      bottom: -120px;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: rgba(245, 158, 11, 0.18);
      filter: blur(30px);
      z-index: 0;
    }

    .hero .container {
      position: relative;
      z-index: 1;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.14);
      border: 1px solid rgba(255, 255, 255, 0.28);
      backdrop-filter: blur(8px);
      padding: 8px 18px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.4px;
      margin-bottom: 26px;
      color: #fff;
    }

    .hero h1 {
      font-size: clamp(32px, 5vw, 54px);
      font-weight: 800;
      line-height: 1.15;
      letter-spacing: -1px;
      max-width: 720px;
      margin-bottom: 18px;
    }

    .hero h1 .accent {
      color: #fbbf24;
    }

    .hero-desc {
      font-size: 17px;
      max-width: 600px;
      color: rgba(255, 255, 255, 0.86);
      line-height: 1.8;
      margin-bottom: 34px;
    }

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

    /* ========== Buttons ========== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 13px 28px;
      border-radius: 12px;
      font-size: 15px;
      font-weight: 700;
      border: none;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 8px 24px rgba(79, 70, 229, 0.3);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(79, 70, 229, 0.38);
    }

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

    .btn-outline-light:hover {
      background: rgba(255, 255, 255, 0.14);
      border-color: #fff;
      transform: translateY(-2px);
    }

    .btn-gold {
      background: var(--secondary);
      color: #1e293b;
      box-shadow: 0 8px 24px rgba(245, 158, 11, 0.32);
    }

    .btn-gold:hover {
      background: #d97706;
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 13px 24px;
      border: 1.5px solid var(--border);
      border-radius: 12px;
      font-weight: 600;
      color: var(--text);
      background: #fff;
      transition: var(--transition);
    }

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

    /* ========== Section common ========== */
    .section {
      padding: 92px 0;
    }

    .section-alt {
      background: #fff;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .section-head {
      max-width: 680px;
      margin: 0 auto 54px;
      text-align: center;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      padding: 6px 16px;
      border-radius: 999px;
      margin-bottom: 16px;
    }

    .section-title {
      font-size: clamp(26px, 3.4vw, 40px);
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.5px;
      margin-bottom: 16px;
    }

    .section-sub {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* ========== Card Grid ========== */
    .card-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 26px;
    }

    .tip-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    .tip-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: #c7d2fe;
    }

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

    .tip-card .card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .45s ease;
    }

    .tip-card:hover .card-img img {
      transform: scale(1.05);
    }

    .tip-card .card-body {
      padding: 22px 22px 24px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      flex: 1;
    }

    .card-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 12px;
      color: var(--text-muted);
    }

    .card-meta .badge {
      background: var(--primary-light);
      color: var(--primary);
      padding: 3px 10px;
      border-radius: 999px;
      font-weight: 600;
      font-size: 12px;
    }

    .tip-card h3 {
      font-size: 18px;
      font-weight: 700;
      line-height: 1.5;
      color: var(--text);
    }

    .tip-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      flex: 1;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
      font-weight: 700;
      font-size: 14px;
      margin-top: 6px;
    }

    .card-link i {
      font-size: 12px;
      transition: transform .3s ease;
    }

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

    /* ========== Featured ========== */
    .featured-grid {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 50px;
      align-items: center;
    }

    .featured-img {
      position: relative;
      border-radius: 22px;
      overflow: hidden;
      box-shadow: var(--shadow);
    }

    .featured-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 360px;
    }

    .featured-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 55%, rgba(15, 23, 42, 0.35));
      border-radius: 22px;
    }

    .featured-content h2 {
      font-size: clamp(28px, 3vw, 38px);
      font-weight: 800;
      line-height: 1.3;
      letter-spacing: -0.5px;
      margin-bottom: 18px;
    }

    .featured-content > p {
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.9;
      margin-bottom: 24px;
    }

    .feature-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 32px;
    }

    .feature-list li {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      background: #f8fafc;
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 16px 18px;
      transition: var(--transition);
    }

    .feature-list li:hover {
      background: var(--primary-light);
      border-color: #c7d2fe;
      transform: translateX(4px);
    }

    .feature-list li i {
      color: var(--primary);
      font-size: 16px;
      margin-top: 4px;
      width: 24px;
      text-align: center;
    }

    .feature-list li div strong {
      display: block;
      font-size: 15px;
      margin-bottom: 3px;
    }

    .feature-list li div span {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ========== Steps ========== */
    .steps-wrap {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 0;
      position: relative;
    }

    .steps-wrap::before {
      content: '';
      position: absolute;
      left: 32px;
      top: 40px;
      bottom: 40px;
      width: 2px;
      background: linear-gradient(to bottom, var(--primary), #c7d2fe);
      border-radius: 2px;
    }

    .step-item {
      position: relative;
      display: flex;
      gap: 26px;
      padding: 18px 0 34px;
      align-items: flex-start;
    }

    .step-num {
      position: relative;
      z-index: 1;
      width: 64px;
      height: 64px;
      min-width: 64px;
      border-radius: 50%;
      background: #fff;
      border: 2px solid var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 19px;
      font-weight: 800;
      color: var(--primary);
      box-shadow: 0 0 0 6px #eef2ff;
    }

    .step-body {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 20px 24px;
      box-shadow: var(--shadow);
      flex: 1;
      transition: var(--transition);
    }

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

    .step-body h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
    }

    /* ========== Stats ========== */
    .stats-band {
      background: linear-gradient(135deg, #1e1b4b, #312e81);
      color: #fff;
      padding: 70px 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 40px;
      text-align: center;
    }

    .stat-num {
      font-size: clamp(34px, 4vw, 52px);
      font-weight: 800;
      line-height: 1.1;
      color: #fbbf24;
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.8);
    }

    /* ========== FAQ ========== */
    .faq-wrap {
      max-width: 800px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 16px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: #c7d2fe;
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 22px 26px;
      font-weight: 700;
      font-size: 16px;
      cursor: pointer;
      background: none;
      border: none;
      text-align: left;
      width: 100%;
      color: var(--text);
      font-family: inherit;
    }

    .faq-question i {
      color: var(--primary);
      font-size: 14px;
      transition: transform .3s ease;
    }

    .faq-item.active .faq-question i {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease;
    }

    .faq-answer-inner {
      padding: 0 26px 22px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.85;
    }

    /* ========== CTA ========== */
    .cta-section {
      background: linear-gradient(135deg, #4f46e5, #7c3aed);
      color: #fff;
      text-align: center;
      padding: 80px 0;
      border-radius: 0;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      left: -60px;
      top: -60px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
    }

    .cta-section::after {
      content: '';
      position: absolute;
      right: -80px;
      bottom: -80px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(245, 158, 11, 0.25);
    }

    .cta-section .container {
      position: relative;
      z-index: 1;
    }

    .cta-section h2 {
      font-size: clamp(28px, 3.6vw, 44px);
      font-weight: 800;
      letter-spacing: -0.5px;
      margin-bottom: 18px;
    }

    .cta-section p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.85);
      max-width: 540px;
      margin: 0 auto 36px;
      line-height: 1.8;
    }

    /* ========== Footer ========== */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 70px 0 0;
    }

    .site-footer .site-logo {
      font-size: 24px;
      color: #fff;
      margin-bottom: 16px;
      display: inline-block;
    }

    .site-footer .site-logo span {
      background: linear-gradient(135deg, #f59e0b, #f97316);
      -webkit-background-clip: text;
      background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 48px;
    }

    .footer-about {
      font-size: 14px;
      line-height: 1.8;
      max-width: 320px;
    }

    .footer-title {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
      letter-spacing: 0.3px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      font-size: 14px;
      color: #94a3b8;
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: #fbbf24;
      padding-left: 4px;
    }

    .footer-links a i {
      font-size: 10px;
      margin-right: 8px;
      color: #64748b;
    }

    .footer-contact {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-contact span {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      word-break: break-all;
    }

    .footer-contact i {
      color: #fbbf24;
      width: 16px;
      text-align: center;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding: 22px 0;
      text-align: center;
      font-size: 13px;
      color: #64748b;
    }

    .footer-bottom a {
      color: #94a3b8;
    }

    .footer-bottom a:hover {
      color: #fbbf24;
    }

    /* ========== Responsive ========== */
    @media (max-width: 1024px) {
      .card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

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

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

    @media (max-width: 900px) {
      .header-inner {
        grid-template-columns: 1fr auto 42px;
        height: 66px;
      }

      .site-logo {
        font-size: 24px;
      }

      .nav-left,
      .nav-right {
        display: none;
      }

      .nav-toggle {
        display: flex;
        justify-self: end;
      }

      .featured-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      .steps-wrap::before {
        left: 24px;
      }

      .step-num {
        width: 50px;
        height: 50px;
        min-width: 50px;
        font-size: 16px;
      }
    }

    @media (max-width: 640px) {
      .section {
        padding: 64px 0;
      }

      .card-grid {
        grid-template-columns: 1fr;
      }

      .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
      }

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

      .hero {
        padding: 72px 0 64px;
      }

      .hero-actions {
        flex-direction: column;
        align-items: stretch;
      }

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

      .step-item {
        gap: 18px;
      }

      .step-body {
        padding: 16px 18px;
      }

      .faq-question {
        padding: 18px 20px;
        font-size: 15px;
      }

      .faq-answer-inner {
        padding: 0 20px 18px;
      }

      .steps-wrap::before {
        left: 24px;
        top: 30px;
        bottom: 30px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding-left: 18px;
        padding-right: 18px;
      }

      .site-logo {
        font-size: 22px;
      }

      .footer-contact span {
        font-size: 13px;
      }
    }

/* roulang page: category3 */
:root {
            --primary: #f59e0b;
            --primary-dark: #d97706;
            --primary-light: #fbbf24;
            --secondary: #0f172a;
            --secondary-light: #1e293b;
            --bg: #f8fafc;
            --bg-light: #ffffff;
            --text: #0f172a;
            --text-light: #64748b;
            --border: #e2e8f0;
            --radius: 18px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(15, 23, 42, 0.07);
            --shadow-lg: 0 12px 44px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ======== Header ======== */
        .site-header {
            background: var(--secondary);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.3);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .header-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
        }

        .nav-right {
            justify-content: flex-end;
        }

        .site-logo {
            font-size: 24px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--primary);
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            white-space: nowrap;
            line-height: 1.2;
        }

        .nav-link {
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: #cbd5e1;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary-light);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: var(--primary-light);
            background: rgba(245, 158, 11, 0.12);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .nav-toggle {
            display: none;
            font-size: 22px;
            color: #e2e8f0;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            padding: 12px 24px 20px;
            background: var(--secondary);
            gap: 4px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .mobile-menu .nav-link {
            padding: 12px 16px;
            border-radius: 10px;
        }

        /* ======== Hero ======== */
        .page-hero {
            position: relative;
            padding: 120px 0 100px;
            color: #fff;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(30, 41, 59, 0.78)),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 20px;
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.4);
            color: var(--primary-light);
            font-size: 14px;
            font-weight: 600;
            border-radius: 30px;
            letter-spacing: 1px;
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }

        .page-hero h1 span {
            color: var(--primary-light);
        }

        .hero-desc {
            font-size: 18px;
            color: #cbd5e1;
            margin-bottom: 28px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            color: #0f172a;
            font-size: 16px;
            font-weight: 700;
            border-radius: 50px;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.45);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 12px rgba(245, 158, 11, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
        }

        .btn-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(245, 158, 11, 0.1);
            transform: translateY(-2px);
        }

        .hero-countdown {
            margin-top: 36px;
            display: inline-flex;
            align-items: center;
            gap: 16px;
            padding: 14px 28px;
            background: rgba(0, 0, 0, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            backdrop-filter: blur(8px);
        }

        .countdown-label {
            font-size: 14px;
            color: #e2e8f0;
            font-weight: 500;
        }

        .countdown-box {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-light);
            font-variant-numeric: tabular-nums;
        }

        .countdown-box span {
            font-size: 13px;
            color: #94a3b8;
            font-weight: 400;
            margin: 0 2px;
        }

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

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 5px 18px;
            background: rgba(245, 158, 11, 0.1);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
            border-radius: 30px;
            letter-spacing: 2px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-light);
        }

        /* ======== Stats ======== */
        .stats-section {
            background: var(--bg-light);
            border-bottom: 1px solid var(--border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 24px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(245, 158, 11, 0.3);
        }

        .stat-number {
            font-size: 42px;
            font-weight: 800;
            color: var(--primary-dark);
            display: block;
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 15px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* ======== Schedule Timeline ======== */
        .schedule-section {
            background: var(--bg);
        }

        .timeline {
            max-width: 760px;
            margin: 0 auto;
            position: relative;
            padding-left: 40px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), rgba(245, 158, 11, 0.1));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 20px 0;
        }

        .timeline-icon {
            position: absolute;
            left: -40px;
            top: 24px;
            width: 30px;
            height: 30px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 13px;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
            z-index: 1;
        }

        .timeline-content {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 28px;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }

        .timeline-content:hover {
            box-shadow: var(--shadow-lg);
            transform: translateX(4px);
            border-color: rgba(245, 158, 11, 0.3);
        }

        .timeline-day {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary-dark);
            background: rgba(245, 158, 11, 0.1);
            padding: 3px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        .timeline-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .timeline-content p {
            font-size: 15px;
            color: var(--text-light);
        }

        /* ======== Event Cards ======== */
        .events-section {
            background: var(--bg-light);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .event-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

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

        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(245, 158, 11, 0.35);
        }

        .event-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

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

        .event-card:hover .event-cover img {
            transform: scale(1.06);
        }

        .event-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 4px 14px;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(4px);
            border-radius: 20px;
            letter-spacing: 1px;
        }

        .event-badge.hot {
            background: rgba(245, 158, 11, 0.9);
            color: #0f172a;
        }

        .event-info {
            padding: 22px 22px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .event-info h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .event-info p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.55;
            flex: 1;
            margin-bottom: 16px;
        }

        .event-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px dashed var(--border);
            padding-top: 14px;
            font-size: 13px;
            color: var(--text-light);
        }

        .event-meta i {
            margin-right: 4px;
            color: var(--primary);
        }

        .btn-small {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 18px;
            background: var(--secondary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            border-radius: 30px;
            transition: var(--transition);
        }

        .btn-small:hover {
            background: var(--primary);
            color: #0f172a;
            transform: translateY(-1px);
        }

        /* ======== Steps ======== */
        .steps-section {
            background: var(--bg);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .step-card {
            position: relative;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 26px 28px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }

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

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            color: #0f172a;
            font-size: 20px;
            font-weight: 800;
            border-radius: 16px;
            margin-bottom: 18px;
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-light);
        }

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

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            background: var(--bg-light);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(245, 158, 11, 0.4);
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: var(--transition);
        }

        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--primary);
        }

        .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 p {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ======== CTA ======== */
        .cta-section {
            padding: 80px 0;
        }

        .cta-box {
            position: relative;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.85)),
                url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border-radius: 24px;
            padding: 72px 48px;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }

        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-box p {
            font-size: 17px;
            color: #cbd5e1;
            margin-bottom: 28px;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 16px 44px;
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            color: #0f172a;
            font-size: 17px;
            font-weight: 700;
            border-radius: 50px;
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.4);
            transition: var(--transition);
        }

        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(245, 158, 11, 0.5);
        }

        .btn-cta:active {
            transform: translateY(0);
        }

        /* ======== Footer ======== */
        .site-footer {
            background: var(--secondary);
            color: #cbd5e1;
            padding: 70px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .site-logo {
            font-size: 26px;
            margin-bottom: 14px;
            display: inline-block;
        }

        .footer-about {
            font-size: 14px;
            color: #94a3b8;
            line-height: 1.75;
            margin-top: 12px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #f1f5f9;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            font-size: 14px;
            color: #94a3b8;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(3px);
        }

        .footer-links a i {
            font-size: 11px;
            color: var(--primary);
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
            color: #94a3b8;
        }

        .footer-contact span {
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: #64748b;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ======== Responsive ======== */
        @media (max-width: 1024px) {
            .event-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            .nav-left,
            .nav-right {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .header-container {
                justify-content: space-between;
            }

            .site-logo {
                font-size: 22px;
            }

            .page-hero {
                padding: 80px 0 70px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .hero-desc {
                font-size: 16px;
            }

            .section {
                padding: 64px 0;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .timeline {
                padding-left: 30px;
            }

            .timeline-icon {
                left: -30px;
                width: 24px;
                height: 24px;
                font-size: 10px;
            }

            .timeline-content {
                padding: 20px;
            }

            .cta-box {
                padding: 48px 24px;
            }

            .cta-box h2 {
                font-size: 26px;
            }

            .hero-countdown {
                width: 100%;
                justify-content: center;
                flex-wrap: wrap;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .event-grid,
            .stats-grid,
            .steps-grid {
                grid-template-columns: 1fr;
            }

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

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

            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }

            .hero-buttons .btn-primary,
            .hero-buttons .btn-outline {
                width: 100%;
                justify-content: center;
            }

            .timeline {
                padding-left: 26px;
            }

            .timeline-icon {
                left: -26px;
            }

            .timeline-content h3 {
                font-size: 17px;
            }

            .footer-about {
                font-size: 13px;
            }
        }

        @media (max-width: 380px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }

            .site-logo {
                font-size: 20px;
            }

            .countdown-box {
                font-size: 16px;
            }
        }

        /* ======== Focus States ======== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.5);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .nav-link:focus-visible {
            outline-color: rgba(245, 158, 11, 0.7);
        }