/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #8E0E2D;
  --primary-dark: #6F0B23;
  --primary-light: #B83B5E;
  --accent: #D6A63A;
  --accent-dark: #B8932F;
  --accent-light: #E8CC72;
  --bg: #FAF7F4;
  --surface: #FFFFFF;
  --dark: #1C1C1C;
  --text: #2A2A2A;
  --text-muted: #707070;
  --border: #E9E3DC;
  --border-light: #F0EDE8;
  --success: #2E7D32;
  --danger: #C62828;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.7;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-pill: 50px;
  --shadow-sm: 0 2px 10px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --shadow-primary: 0 8px 24px rgba(142,14,45,0.25);
  --shadow-accent: 0 8px 24px rgba(214,166,58,0.3);
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing: 32px;
  --spacing-lg: 64px;
  --spacing-xl: 96px;
  --container-w: 1200px;
  --header-h: 72px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ========== 基础 Reset ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

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

ul, ol {
  list-style: none;
}

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

/* ========== 容器 ========== */
.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== 导航 ========== */
.site-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(var(--container-w), calc(100% - 32px));
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition: var(--transition);
}

.site-nav.scrolled {
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.14);
  background: rgba(255, 255, 255, 0.97);
}

.nav-logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.nav-logo i {
  color: var(--accent);
  font-size: 1.3rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.nav-links li {
  margin: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(142, 14, 45, 0.06);
}

.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  border: 2px solid var(--primary);
  transition: var(--transition);
  white-space: nowrap;
  background: transparent;
}

.nav-cta:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--text);
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: var(--primary);
  color: #fff;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 60px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(20, 10, 15, 0.82) 0%, rgba(60, 20, 30, 0.65) 50%, rgba(15, 15, 20, 0.78) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: 2px;
  margin-bottom: 20px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.hero h1 span {
  color: var(--accent);
}

.hero-lead {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 34px;
  border-radius: var(--radius-pill);
  font-size: 1rem;
  font-weight: 700;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  line-height: 1.4;
}

.btn-lg {
  padding: 16px 42px;
  font-size: 1.05rem;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(142, 14, 45, 0.35);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(214, 166, 58, 0.1);
  transform: translateY(-3px);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

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

.hero-stat-num {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}

.hero-stat-label {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 1px;
}

/* ========== 通用板块 ========== */
.section {
  padding: var(--spacing-xl) 0;
}

.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

.section-tag {
  display: inline-block;
  padding: 6px 20px;
  border-radius: var(--radius-pill);
  background: rgba(142, 14, 45, 0.08);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 12px;
}

.section-head p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ========== 平台简介 ========== */
.about-section {
  background: var(--surface);
  position: relative;
}

.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}

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

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

.feature-icon {
  width: 76px;
  height: 76px;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #fff;
  margin: 0 auto 24px;
  box-shadow: var(--shadow-primary);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ========== 分类入口 ========== */
.category-section {
  background: var(--bg);
}

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

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

.category-card-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

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

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

.category-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.4), transparent);
}

.category-card-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.badge {
  display: inline-block;
  padding: 4px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  background: rgba(142, 14, 45, 0.1);
  color: var(--primary);
  margin-bottom: 14px;
  align-self: flex-start;
}

.badge-accent {
  background: rgba(214, 166, 58, 0.15);
  color: var(--accent-dark);
}

.category-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.category-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
}

.category-link i {
  transition: transform 0.3s ease;
}

.category-card:hover .category-link i {
  transform: translateX(6px);
}

/* ========== 资讯板块 ========== */
.blog-section {
  background: var(--surface);
}

.news-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 28px;
  height: 100%;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.news-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.5;
  margin-bottom: 10px;
}

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

.news-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 18px;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.news-meta a {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-meta a:hover {
  gap: 10px;
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--border);
}

.empty-state i {
  font-size: 3rem;
  color: var(--border);
  margin-bottom: 16px;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* ========== 流程板块 ========== */
.process-section {
  background: var(--bg);
  position: relative;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.process-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(250, 247, 244, 0.94);
}

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

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 48px;
}

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

.process-step:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.step-num {
  display: block;
  font-size: 2.4rem;
  font-weight: 800;
  color: rgba(142, 14, 45, 0.15);
  line-height: 1;
  margin-bottom: 16px;
}

.process-step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.process-step::after {
  content: '\f061';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 50%;
  right: -22px;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1rem;
  z-index: 2;
}

.process-step:last-child::after {
  display: none;
}

/* ========== 登录方式对比 ========== */
.compare-section {
  background: var(--surface);
}

.compare-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  height: 100%;
  border: 1px solid var(--border-light);
  transition: var(--transition);
  position: relative;
}

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

.compare-card.featured {
  border: 2px solid var(--accent);
  background: linear-gradient(170deg, #FFFBEF, var(--surface));
}

.compare-card.featured .compare-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 4px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  white-space: nowrap;
  box-shadow: var(--shadow-accent);
}

.compare-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 8px;
  text-align: center;
}

.compare-card > p {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 20px;
}

.check-list {
  margin: 0;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.9rem;
  color: var(--text);
}

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

.check-list i {
  color: var(--success);
  font-size: 0.9rem;
  flex-shrink: 0;
}

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border-radius: var(--radius);
  margin-bottom: 16px;
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-item.is-open {
  box-shadow: var(--shadow-md);
  border-color: rgba(142, 14, 45, 0.15);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
  gap: 16px;
}

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

.faq-question i {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: var(--transition);
  flex-shrink: 0;
}

.faq-item.is-open .faq-question i {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  display: none;
  padding: 0 24px 24px;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

.faq-item.is-open .faq-answer {
  display: block;
}

/* ========== CTA ========== */
.cta-section {
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  position: relative;
  padding: var(--spacing-xl) 0;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(20, 10, 15, 0.9), rgba(50, 20, 30, 0.8));
}

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

.cta-card {
  text-align: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  backdrop-filter: blur(10px);
  max-width: 800px;
  margin: 0 auto;
}

.cta-card h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.cta-card p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}

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

.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-light:hover {
  background: var(--accent-light);
  color: var(--primary-dark);
  transform: translateY(-3px);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transform: translateY(-3px);
}

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

.footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo i {
  color: var(--accent);
}

.site-footer .footer-desc {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}

.site-footer h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.site-footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

.site-footer ul {
  margin: 0;
}

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

.site-footer ul li a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.site-footer ul li a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.site-footer ul li i {
  color: var(--accent);
  font-size: 0.8rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 48px;
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .process-step::after {
    display: none;
  }

  .hero-stats {
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 56px;
    --spacing-lg: 40px;
  }

  .site-nav {
    width: calc(100% - 24px);
    top: 12px;
    padding: 0 20px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(var(--header-h) + 8px);
    left: 0;
    right: 0;
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    margin: 0;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-link {
    padding: 14px 20px;
    border-radius: var(--radius);
    justify-content: center;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-logo {
    font-size: 1.05rem;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-h) + 80px);
    padding-bottom: 48px;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

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

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

  .btn-lg {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-stat-num {
    font-size: 1.6rem;
  }

  .compare-section .grid-x {
    gap: 24px;
  }

  .compare-card {
    margin-bottom: 16px;
  }

  .cta-card {
    padding: 40px 24px;
  }
}

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

  .nav-logo {
    font-size: 0.95rem;
  }

  .nav-logo i {
    font-size: 1rem;
  }

  .site-nav {
    padding: 0 16px;
  }

  .hero-badge {
    font-size: 0.78rem;
    padding: 8px 16px;
  }

  .hero h1 {
    font-size: 1.7rem;
    letter-spacing: 1px;
  }

  .hero-lead {
    font-size: 0.88rem;
  }

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

  .feature-card {
    padding: 28px 20px;
  }

  .category-card-body {
    padding: 20px;
  }

  .news-card {
    padding: 20px;
  }

  .cta-actions {
    flex-direction: column;
  }
}

/* roulang page: category1 */
:root {
            --primary: #C8102E;
            --primary-dark: #9B0B22;
            --primary-light: #FDE8EB;
            --secondary: #1B1F3B;
            --accent: #D4AF37;
            --accent-light: #FBF3DC;
            --bg-light: #F7F5F2;
            --bg-white: #FFFFFF;
            --text-main: #2D2D32;
            --text-muted: #6B7280;
            --border: #E5E7EB;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --space-section: 84px;
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        input,
        textarea {
            font-family: inherit;
        }

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

        /* ===== Navigation ===== */
        .site-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: calc(100% - 32px);
            max-width: 1200px;
            padding: 10px 14px 10px 20px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 50px;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

        .site-nav.scrolled {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            background: rgba(255, 255, 255, 0.97);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-logo i {
            font-size: 1.3rem;
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

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

        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 700;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            border-radius: 30px;
            background: var(--primary);
            color: #fff;
            font-size: 0.88rem;
            font-weight: 600;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(200, 16, 46, 0.3);
            transition: var(--transition);
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(200, 16, 46, 0.4);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border);
            font-size: 1.1rem;
            color: var(--secondary);
            transition: var(--transition);
        }

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

        @media (max-width: 900px) {
            .site-nav {
                flex-wrap: wrap;
                padding: 10px 16px;
                border-radius: 24px;
            }

            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 12px 8px 4px;
                gap: 4px;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-link {
                width: 100%;
                padding: 11px 16px;
            }

            .nav-cta {
                margin-left: auto;
                margin-right: 8px;
                padding: 8px 14px;
                font-size: 0.82rem;
            }

            .nav-toggle {
                display: flex;
            }
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 150px 0 84px;
            background-size: cover;
            background-position: center;
            background-color: var(--secondary);
            isolation: isolate;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(27, 31, 59, 0.92) 0%, rgba(27, 31, 59, 0.72) 50%, rgba(200, 16, 46, 0.4) 100%);
            z-index: -1;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 22px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent);
        }

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

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .page-hero h1 em {
            font-style: normal;
            color: var(--accent);
        }

        .hero-lead {
            max-width: 680px;
            font-size: 1.12rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 30px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(200, 16, 46, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(200, 16, 46, 0.45);
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.7);
        }

        .btn-outline-white:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

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

        .btn-dark {
            background: var(--secondary);
            color: #fff;
        }

        .btn-dark:hover {
            background: #262B4A;
            transform: translateY(-2px);
        }

        /* ===== Section base ===== */
        .section {
            padding: var(--space-section) 0;
        }

        .section-alt {
            background: var(--bg-white);
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 0.98rem;
            color: var(--text-muted);
        }

        /* ===== Login methods ===== */
        .method-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 0;
            height: 100%;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .method-card .card-img {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

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

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

        .method-card .card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(27, 31, 59, 0.35), transparent);
        }

        .method-icon {
            position: absolute;
            bottom: 16px;
            left: 20px;
            z-index: 2;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border-radius: 14px;
            font-size: 1.2rem;
            box-shadow: 0 6px 16px rgba(200, 16, 46, 0.35);
        }

        .method-card .card-body {
            padding: 24px 22px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .method-card h3 {
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .method-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }

        .text-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

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

        /* ===== Steps timeline ===== */
        .steps-section {
            background: var(--secondary);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            isolation: isolate;
        }

        .steps-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(27, 31, 59, 0.88);
            z-index: -1;
        }

        .steps-section .section-head h2 {
            color: #fff;
        }

        .steps-section .section-head p {
            color: rgba(255, 255, 255, 0.75);
        }

        .steps-section .section-tag {
            background: rgba(255, 255, 255, 0.14);
            color: var(--accent);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .step-item {
            position: relative;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: 30px 22px;
            text-align: center;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .step-item:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(212, 175, 55, 0.4);
            transform: translateY(-5px);
        }

        .step-num {
            width: 42px;
            height: 42px;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: var(--secondary);
            font-weight: 800;
            font-size: 1.1rem;
            border-radius: 50%;
            box-shadow: 0 0 0 6px rgba(212, 175, 55, 0.2);
        }

        .step-item h3 {
            font-size: 1rem;
            color: #fff;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }

        @media (max-width: 900px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Security section ===== */
        .security-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .security-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .security-visual img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .security-visual .float-badge {
            position: absolute;
            bottom: 24px;
            left: 24px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .float-badge i {
            font-size: 1.6rem;
            color: var(--primary);
        }

        .float-badge strong {
            font-size: 1.1rem;
            color: var(--secondary);
            display: block;
            line-height: 1.3;
        }

        .float-badge span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .security-content h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .security-content>p {
            font-size: 0.96rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 26px;
        }

        .security-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .security-list li:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(4px);
        }

        .security-list li i {
            font-size: 1.1rem;
            color: var(--primary);
            margin-top: 3px;
        }

        .security-list li strong {
            display: block;
            color: var(--secondary);
            font-size: 0.95rem;
            margin-bottom: 4px;
        }

        .security-list li span {
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ===== Stats ===== */
        .stats-band {
            background: var(--primary);
            padding: 40px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-band::after {
            content: "";
            position: absolute;
            right: -60px;
            top: -80px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .stat-item .num em {
            font-style: normal;
            font-size: 1rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.7);
        }

        .stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== Troubleshoot section ===== */
        .trouble-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .trouble-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 26px;
            display: flex;
            gap: 16px;
            transition: var(--transition);
        }

        .trouble-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .trouble-card .t-icon {
            flex-shrink: 0;
            width: 46px;
            height: 46px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            background: var(--primary-light);
            color: var(--primary);
        }

        .trouble-card:nth-child(2) .t-icon {
            background: var(--accent-light);
            color: #B8952E;
        }
        .trouble-card:nth-child(3) .t-icon {
            background: #E8F4FD;
            color: #1E80C7;
        }
        .trouble-card:nth-child(4) .t-icon {
            background: #EAF7F0;
            color: #1F9D55;
        }

        .trouble-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .trouble-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

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

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

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

        .faq-item:hover {
            border-color: rgba(200, 16, 46, 0.2);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--secondary);
            cursor: pointer;
            list-style: none;
            transition: var(--transition);
        }

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

        .faq-item summary i {
            color: var(--primary);
            transition: transform 0.3s ease;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .faq-item[open] summary {
            color: var(--primary);
        }

        .faq-item[open] summary i {
            transform: rotate(180deg);
        }

        .faq-item .faq-body {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.75;
            border-top: 1px solid var(--border);
            margin-top: 0;
            padding-top: 14px;
        }

        /* ===== CTA ===== */
        .cta-band {
            position: relative;
            padding: 70px 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            isolation: isolate;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(200, 16, 46, 0.92), rgba(27, 31, 59, 0.85));
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-inner p {
            font-size: 1.02rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 30px;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            font-size: 0.92rem;
        }

        .site-footer .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .footer-logo i {
            color: var(--primary);
            font-size: 1.3rem;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

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

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .site-footer ul li a i {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .site-footer ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 48px;
            padding: 20px 0;
            text-align: center;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 64px;
            }

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

            .security-visual img {
                height: 340px;
            }

            .page-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .grid-x>.cell {
                margin-bottom: 24px;
            }

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

            .section-head h2 {
                font-size: 1.6rem;
            }

            .page-hero {
                padding: 130px 0 60px;
            }

            .page-hero h1 {
                font-size: 1.8rem;
            }

            .hero-lead {
                font-size: 0.98rem;
            }

            .btn {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
        }

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

            .page-hero h1 {
                font-size: 1.5rem;
            }

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

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

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

            .security-visual .float-badge {
                padding: 12px 14px;
                bottom: 14px;
                left: 14px;
            }

            .float-badge strong {
                font-size: 0.95rem;
            }

            .float-badge span {
                font-size: 0.75rem;
            }

            .footer-bottom {
                font-size: 0.75rem;
            }
        }

        @media (max-width: 400px) {
            .nav-logo {
                font-size: 0.95rem;
            }

            .nav-cta {
                display: none;
            }
        }

/* roulang page: article */
:root {
  --primary: #1e5eff;
  --primary-dark: #1745c4;
  --primary-light: #eff3ff;
  --secondary: #ff8a3d;
  --secondary-light: #fff1e8;
  --accent: #10b981;
  --dark: #0f172a;
  --text: #1e293b;
  --text-light: #64748b;
  --text-muted: #94a3b8;
  --bg: #f6f8fc;
  --bg-white: #ffffff;
  --border: #e2e8f0;
  --border-light: #eef2f7;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);
  --transition: 0.3s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: var(--primary); transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }

/* 导航 */
.site-nav {
  position: sticky;
  top: 16px;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1200px;
  margin: 16px auto 0;
  padding: 12px 20px 12px 24px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  white-space: nowrap;
}
.nav-logo i { color: var(--primary); font-size: 22px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links li { margin: 0; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  color: var(--text-light);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
}
.nav-link i { font-size: 14px; }
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--primary), #4f7dff);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 6px 18px rgba(30, 94, 255, 0.3);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(30, 94, 255, 0.4); color: #fff; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text);
  padding: 8px;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), #4f7dff);
  color: #fff;
  box-shadow: 0 8px 24px rgba(30, 94, 255, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(30, 94, 255, 0.36); color: #fff; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); transform: translateY(-2px); }
.btn-light {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.12);
}
.btn-light:hover { background: var(--primary-light); transform: translateY(-2px); color: var(--primary-dark); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.14);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.24); color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-block { width: 100%; }
.btn:focus-visible, .nav-link:focus-visible, a:focus-visible {
  outline: 3px solid rgba(30, 94, 255, 0.3);
  outline-offset: 3px;
}

/* 徽章 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  backdrop-filter: blur(4px);
}
.badge-tag {
  background: var(--primary-light);
  color: var(--primary-dark);
  border-color: #d5e2ff;
  font-size: 13px;
  padding: 5px 13px;
}

/* 文章头图 */
.article-hero {
  position: relative;
  margin-top: -80px;
  padding: 150px 0 72px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: #fff;
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.88), rgba(30, 94, 255, 0.72));
}
.hero-inner { position: relative; z-index: 2; }
.article-hero h1 {
  font-size: 40px;
  line-height: 1.3;
  font-weight: 700;
  margin: 16px 0 12px;
  max-width: 800px;
}
.hero-desc { font-size: 17px; color: rgba(255, 255, 255, 0.8); max-width: 720px; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.85); }
.breadcrumb a:hover { color: #fff; }
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 24px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { font-size: 14px; opacity: 0.85; }

/* 文章主体 */
.article-main { padding: 56px 0 72px; }
.article-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin-bottom: 32px;
}
.article-cover {
  width: 100%;
  height: 320px;
  object-fit: cover;
}
.article-content { padding: 40px 44px 28px; }
.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 28px 0 14px;
  color: var(--dark);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 22px 0 10px;
  color: var(--dark);
  line-height: 1.45;
}
.article-content p {
  margin-bottom: 16px;
  color: var(--text);
  font-size: 16px;
  line-height: 1.9;
}
.article-content a { color: var(--primary); font-weight: 500; }
.article-content a:hover { text-decoration: underline; }
.article-content ul,
.article-content ol {
  margin: 0 0 16px 20px;
  color: var(--text);
}
.article-content li { margin-bottom: 8px; line-height: 1.8; }
.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding: 14px 20px;
  margin: 24px 0;
  background: var(--primary-light);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text);
}
.article-content blockquote p { margin-bottom: 0; color: var(--text); }
.article-content code {
  background: var(--border-light);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.9em;
}
.article-content img { border-radius: var(--radius-md); margin: 16px 0; }
.article-content table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-content th { background: var(--primary-light); color: var(--dark); font-weight: 600; }
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 20px 44px 32px;
  border-top: 1px solid var(--border-light);
  margin-top: 8px;
}

/* 未找到 */
.not-found {
  text-align: center;
  padding: 80px 20px;
}
.not-found i { font-size: 56px; color: var(--text-muted); opacity: 0.5; margin-bottom: 18px; }
.not-found h2 { font-size: 28px; color: var(--text); margin-bottom: 10px; }
.not-found p { color: var(--text-light); margin-bottom: 24px; }

/* 侧边栏 */
.side-card {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  padding: 28px 26px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.side-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.side-card h3 i { color: var(--primary); }
.side-card p { font-size: 14px; color: var(--text-light); margin-bottom: 16px; line-height: 1.7; }
.side-card-dark {
  background: linear-gradient(135deg, var(--dark), #1e293b);
  color: #fff;
  border: none;
}
.side-card-dark h3 { color: #fff; }
.side-card-dark h3 i { color: var(--secondary); }
.side-card-dark p { color: rgba(255, 255, 255, 0.72); }
.side-list { list-style: none; margin: 0; padding: 0; }
.side-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.side-list li:last-child { border-bottom: none; }
.side-list i { color: var(--accent); margin-top: 5px; font-size: 13px; }
.side-links { list-style: none; margin: 0; padding: 0; }
.side-links li { margin-bottom: 6px; }
.side-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-size: 14px;
  color: var(--text);
  transition: all var(--transition);
}
.side-links a i { color: var(--primary); font-size: 12px; }
.side-links a:hover { background: var(--primary-light); color: var(--primary); transform: translateX(4px); }

/* 板块标题 */
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 700;
  color: var(--dark);
  margin: 14px 0 10px;
  line-height: 1.3;
}
.section-head p { font-size: 16px; color: var(--text-light); }

/* 服务卡片 */
.service-cards { background: var(--bg); }
.service-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card img { width: 100%; height: 180px; object-fit: cover; }
.service-card-body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.service-card-body h3 { font-size: 19px; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.service-card-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 18px; flex: 1; }
.service-card-body .btn { align-self: flex-start; }

/* FAQ */
.faq-section { background: linear-gradient(180deg, var(--bg) 0%, #fff 100%); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}
.faq-item.active { box-shadow: var(--shadow); border-color: #d5e2ff; }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: color var(--transition);
}
.faq-question i { color: var(--text-muted); transition: transform var(--transition); }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); }
.faq-question:hover { color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 22px; }
.faq-answer p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.75;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
  margin: 0;
}

/* CTA */
.cta-section { padding: 80px 0; }
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  background: linear-gradient(135deg, #1e5eff, #7a5cff);
  border-radius: var(--radius-lg);
  padding: 56px 60px;
  box-shadow: 0 20px 50px rgba(30, 94, 255, 0.28);
  position: relative;
  overflow: hidden;
}
.cta-inner::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}
.cta-text { position: relative; z-index: 2; max-width: 560px; }
.cta-text h2 { color: #fff; font-size: 30px; font-weight: 700; margin-bottom: 10px; line-height: 1.35; }
.cta-text p { color: rgba(255, 255, 255, 0.82); font-size: 15px; line-height: 1.7; margin: 0; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 2; }

/* 页脚 */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 56px 0 0;
}
.site-footer h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer ul li a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: all var(--transition);
}
.site-footer ul li a:hover { color: #fff; padding-left: 4px; }
.footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.footer-logo i { color: var(--secondary); }
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.55);
  max-width: 300px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 40px;
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p { font-size: 13px; color: rgba(255, 255, 255, 0.45); margin: 0; }

/* 响应式 */
@media (max-width: 1024px) {
  .article-hero h1 { font-size: 34px; }
  .section-head h2 { font-size: 28px; }
  .cta-inner { padding: 44px 36px; flex-direction: column; align-items: flex-start; }
  .site-nav { gap: 10px; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .site-nav {
    top: 8px;
    margin: 8px 12px 0;
    border-radius: 20px;
    padding: 12px 16px;
  }
  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 12px;
    flex-direction: column;
    gap: 4px;
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity var(--transition), transform var(--transition);
  }
  .nav-links.open { display: flex; opacity: 1; transform: translateY(0); }
  .nav-links li { width: 100%; }
  .nav-link { width: 100%; }
  .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .article-hero { padding: 110px 0 48px; margin-top: -64px; }
  .article-hero h1 { font-size: 28px; }
  .article-content { padding: 24px 20px; }
  .article-cover { height: 220px; }
  .article-tags { padding: 16px 20px 24px; }
  .cta-inner { padding: 32px 24px; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { width: 100%; }
  .service-card-body { padding: 20px; }
  .faq-question { font-size: 14px; padding: 16px 18px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .site-nav { padding: 10px 14px; }
  .nav-logo { font-size: 17px; }
  .nav-logo i { font-size: 18px; }
  .article-hero h1 { font-size: 24px; }
  .hero-desc { font-size: 15px; }
  .article-meta { gap: 10px; font-size: 13px; flex-direction: column; }
  .section-head h2 { font-size: 24px; }
  .section-head p { font-size: 15px; }
  .not-found { padding: 48px 16px; }
  .article-hero { padding: 100px 0 40px; }
  .article-meta span { font-size: 13px; }
}

/* roulang page: category2 */
:root{
  --primary:#1d3557;
  --primary-dark:#14213d;
  --primary-light:#2a4a7f;
  --accent:#d62839;
  --accent-dark:#b91c2c;
  --gold:#f2a900;
  --bg:#f4f6fb;
  --surface:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 12px 32px rgba(20,33,61,.08);
  --shadow-lg:0 24px 60px rgba(20,33,61,.14);
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:var(--transition);}
a:hover{color:var(--accent);}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;}
.site-container{max-width:1200px;margin:0 auto;padding:0 24px;}

.site-header{position:sticky;top:0;z-index:100;background:var(--bg);padding:14px 0 0;}
.site-nav{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;background:rgba(255,255,255,.85);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.7);border-radius:60px;padding:10px 18px;box-shadow:0 10px 30px rgba(20,33,61,.08);}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;color:var(--primary-dark);white-space:nowrap;}
.nav-logo i{color:var(--accent);font-size:1.4rem;}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none;margin:0;}
.nav-links .nav-link{display:flex;align-items:center;gap:6px;padding:10px 16px;border-radius:30px;font-weight:600;font-size:.92rem;color:var(--text);white-space:nowrap;}
.nav-links .nav-link i{font-size:.9rem;}
.nav-links .nav-link:hover{background:rgba(29,53,87,.08);color:var(--primary);}
.nav-links .nav-link.active{background:var(--primary);color:#fff;}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;font-weight:700;padding:10px 18px;border-radius:30px;font-size:.9rem;border:0;}
.nav-cta:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(214,40,57,.3);}
.nav-toggle{display:none;align-items:center;justify-content:center;background:var(--primary);color:#fff;border:0;width:42px;height:42px;border-radius:50%;font-size:1.1rem;}

.hero{position:relative;background-size:cover;background-position:center;color:#fff;padding:96px 0;}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,33,61,.92),rgba(29,53,87,.78));}
.hero .site-container{position:relative;z-index:2;}
.hero-content{max-width:820px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:8px 18px;border-radius:40px;font-weight:600;font-size:.88rem;margin-bottom:22px;}
.hero h1{font-size:3rem;line-height:1.18;font-weight:800;margin-bottom:20px;letter-spacing:-1px;}
.hero-sub{font-size:1.12rem;color:rgba(255,255,255,.88);max-width:720px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:40px;font-weight:700;font-size:.95rem;border:2px solid transparent;transition:var(--transition);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(214,40,57,.28);}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.85);color:#fff;}
.btn-outline:hover{background:#fff;border-color:#fff;color:var(--primary);transform:translateY(-2px);}
.btn-dark{background:var(--primary);color:#fff;}
.btn-dark:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(29,53,87,.25);}
.btn-outline-dark{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-outline-dark:hover{background:var(--primary);color:#fff;transform:translateY(-2px);}
.btn-white{background:#fff;color:var(--primary);}
.btn-white:hover{background:var(--gold);color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 14px 28px rgba(0,0,0,.18);}

.section{padding:92px 0;}
.section-quick{background:#fff;}
.section-detail{background:transparent;}
.section-aux{background:#fff;}
.section-faq{background:transparent;}
.section-contact{background:#fff;}
.section-head{text-align:center;max-width:760px;margin:0 auto 52px;}
.section-head h2{font-size:2.2rem;font-weight:800;color:var(--primary-dark);margin:0 0 14px;line-height:1.2;}
.section-head p{color:var(--muted);font-size:1.05rem;}
.section-tag{display:inline-block;background:rgba(214,40,57,.1);color:var(--accent);font-weight:800;font-size:.8rem;letter-spacing:1px;padding:7px 16px;border-radius:40px;margin-bottom:16px;}
.section-head.light .section-tag{background:rgba(255,255,255,.15);color:var(--gold);}
.section-head.light h2{color:#fff;}
.section-head.light p{color:rgba(255,255,255,.75);}

.entry-card{display:flex;flex-direction:column;background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);height:100%;transition:var(--transition);border:1px solid var(--border);color:var(--text);}
.entry-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);color:var(--text);}
.card-cover{height:180px;overflow:hidden;position:relative;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.entry-card:hover .card-cover img{transform:scale(1.06);}
.card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(20,33,61,.2));}
.card-body{position:relative;padding:28px 24px 24px;flex:1;display:flex;flex-direction:column;}
.card-head{display:flex;align-items:center;gap:12px;margin-bottom:10px;}
.card-icon{width:42px;height:42px;border-radius:12px;background:rgba(29,53,87,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.15rem;flex-shrink:0;transition:var(--transition);}
.entry-card:hover .card-icon{background:var(--accent);color:#fff;}
.card-head h3{font-size:1.15rem;font-weight:800;margin:0;}
.card-body p{color:var(--muted);font-size:.92rem;margin-bottom:16px;flex:1;}
.card-link{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:800;font-size:.9rem;margin-top:auto;}
.card-link i{transition:transform .25s ease;}
.entry-card:hover .card-link i{transform:translateX(5px);}

.detail-item,.aux-card,#contact,#entry-detail,#faq{scroll-margin-top:120px;}
.detail-item{display:flex;align-items:center;gap:40px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:42px;box-shadow:var(--shadow);margin-bottom:28px;transition:var(--transition);}
.detail-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.detail-index{flex:0 0 140px;width:140px;height:150px;border-radius:24px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 16px 34px rgba(29,53,87,.28);}
.detail-index span{font-size:.85rem;font-weight:700;opacity:.75;letter-spacing:2px;}
.detail-index i{font-size:2rem;margin-top:8px;}
.detail-content{flex:1;}
.detail-tag{display:inline-block;background:rgba(242,169,0,.15);color:#a16207;font-size:.8rem;font-weight:700;padding:4px 12px;border-radius:30px;margin-bottom:12px;}
.detail-content h3{font-size:1.55rem;color:var(--primary-dark);margin-bottom:10px;}
.detail-content p{color:var(--muted);margin-bottom:16px;max-width:700px;}
.detail-points{list-style:none;margin:0 0 22px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;}
.detail-points li{display:flex;align-items:flex-start;gap:8px;font-size:.95rem;color:var(--text);}
.detail-points i{color:var(--accent);margin-top:4px;}
.detail-actions{display:flex;flex-wrap:wrap;gap:12px;}

.aux-card{display:flex;align-items:center;gap:20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);height:100%;transition:var(--transition);}
.aux-card:hover{border-color:var(--primary-light);transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.aux-card > i{flex:0 0 54px;width:54px;height:54px;display:flex;align-items:center;justify-content:center;background:rgba(29,53,87,.08);color:var(--primary);border-radius:16px;font-size:1.4rem;transition:var(--transition);}
.aux-card:hover > i{background:var(--primary);color:#fff;}
.aux-info{flex:1;min-width:0;}
.aux-info h3{font-size:1.05rem;font-weight:800;margin-bottom:6px;color:var(--primary-dark);}
.aux-info p{font-size:.88rem;color:var(--muted);margin:0;}
.aux-link{display:inline-flex;align-items:center;gap:8px;background:rgba(29,53,87,.08);color:var(--primary);font-weight:800;padding:10px 18px;border-radius:30px;font-size:.88rem;white-space:nowrap;transition:var(--transition);}
.aux-link:hover{background:var(--primary);color:#fff;}

.section-steps{position:relative;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;}
.section-steps::before{content:"";position:absolute;inset:0;background:rgba(20,33,61,.9);}
.section-steps .site-container{position:relative;z-index:2;}
.step-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(6px);border-radius:var(--radius);padding:30px 24px;height:100%;color:#fff;transition:var(--transition);}
.step-card:hover{background:rgba(255,255,255,.14);transform:translateY(-6px);}
.step-num{font-size:2.4rem;font-weight:800;color:var(--gold);line-height:1;margin-bottom:14px;}
.step-card h3{font-size:1.1rem;font-weight:800;margin-bottom:10px;}
.step-card p{font-size:.9rem;color:rgba(255,255,255,.78);margin:0;}

.faq-accordion{background:transparent;border:0;margin:0;}
.faq-accordion .accordion-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:14px;box-shadow:0 6px 18px rgba(20,33,61,.05);overflow:hidden;transition:var(--transition);}
.faq-accordion .accordion-item:hover{border-color:var(--primary-light);box-shadow:var(--shadow);}
.faq-accordion .accordion-title{position:relative;background:transparent;padding:18px 56px 18px 20px;font-size:1rem;font-weight:700;color:var(--text);border:0;display:flex;align-items:center;gap:10px;}
.faq-accordion .accordion-title i{color:var(--accent);}
.faq-accordion .accordion-title::before{display:none;}
.faq-accordion .accordion-title::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:20px;font-size:.9rem;color:var(--primary);transition:transform .3s ease;}
.faq-accordion .accordion-item.is-active .accordion-title::after{transform:rotate(180deg);}
.faq-accordion .accordion-title:focus-visible{outline:3px solid var(--gold);outline-offset:-3px;}
.faq-accordion .accordion-content{border:0;background:transparent;padding:0 20px 22px;color:var(--muted);}
.faq-accordion .accordion-content p{margin:0;}

.section-contact{padding:80px 0;}
.contact-panel{position:relative;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:32px;padding:60px 56px;text-align:center;color:#fff;overflow:hidden;box-shadow:var(--shadow-lg);}
.contact-panel::before{content:"\f0e0";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:-40px;top:-40px;font-size:220px;opacity:.06;transform:rotate(15deg);}
.contact-icon{width:70px;height:70px;margin:0 auto 22px;background:rgba(255,255,255,.15);border-radius:22px;display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:var(--gold);}
.contact-panel h2{font-size:2rem;font-weight:800;color:#fff;margin-bottom:14px;}
.contact-panel p{max-width:680px;margin:0 auto 30px;color:rgba(255,255,255,.85);}
.contact-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;}

.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.85);padding:60px 0 0;}
.site-footer a{color:rgba(255,255,255,.85);}
.site-footer a:hover{color:#fff;}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:1.3rem;font-weight:800;margin-bottom:16px;}
.footer-logo i{color:var(--gold);}
.footer-desc{color:rgba(255,255,255,.6);margin:0 0 20px;max-width:340px;font-size:.92rem;}
.site-footer h4{color:#fff;font-size:1rem;font-weight:800;margin-bottom:18px;}
.site-footer ul{margin:0;padding:0;list-style:none;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a{display:inline-flex;align-items:center;gap:8px;font-size:.92rem;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding:22px 0;text-align:center;font-size:.88rem;color:rgba(255,255,255,.55);}

@media(max-width:1024px){
  .hero h1{font-size:2.6rem;}
  .detail-item{gap:28px;padding:32px;}
  .detail-index{flex-basis:110px;width:110px;height:130px;}
  .section{padding:80px 0;}
}
@media(max-width:900px){
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-links{position:absolute;top:calc(100% + 12px);left:0;right:0;background:var(--surface);border-radius:20px;box-shadow:var(--shadow-lg);flex-direction:column;align-items:stretch;gap:4px;padding:16px;display:none;}
  .site-nav.open .nav-links{display:flex;}
  .nav-links li{width:100%;}
  .nav-links .nav-link{width:100%;}
  .nav-links .nav-link.active{background:rgba(29,53,87,.08);color:var(--primary);}
}
@media(max-width:768px){
  .section{padding:70px 0;}
  .section-head h2{font-size:1.8rem;}
  .hero{padding:70px 0;}
  .hero h1{font-size:2.1rem;}
  .hero-sub{font-size:1rem;}
  .detail-item{flex-direction:column;text-align:left;padding:28px;gap:24px;}
  .detail-index{flex:none;width:90px;height:110px;}
  .detail-points{grid-template-columns:1fr;}
  .contact-panel{padding:44px 28px;}
  .contact-panel h2{font-size:1.7rem;}
  .site-footer{padding:50px 0 0;}
}
@media(max-width:520px){
  .site-nav{padding:8px 14px;border-radius:40px;}
  .nav-logo{font-size:1rem;}
  .hero h1{font-size:1.7rem;}
  .btn{padding:12px 20px;font-size:.9rem;}
  .entry-card .card-cover{height:160px;}
  .section{padding:60px 0;}
  .step-card{padding:24px 20px;}
  .faq-accordion .accordion-title{font-size:.95rem;}
}