/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #16234a;
  --primary-light: #243b6b;
  --primary-dark: #0d1733;
  --accent: #d4a53f;
  --accent-light: #e8bc5a;
  --accent-dark: #b8892f;
  --text: #1f2937;
  --text-weak: #6b7280;
  --bg: #f4f6fb;
  --bg-deep: #0b132e;
  --surface: #ffffff;
  --border: #e2e7f0;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(15, 29, 58, 0.06);
  --shadow: 0 6px 24px rgba(15, 29, 58, 0.08);
  --shadow-lg: 0 14px 44px rgba(15, 29, 58, 0.14);
  --transition: all 0.3s ease;
  --container: 1200px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

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

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, textarea, select { font-family: inherit; font-size: 1rem; }

ul, ol { list-style: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 通用排版 ===== */
.section-padding { padding: 90px 0; }

.section-header {
  max-width: 680px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-dark);
  text-transform: uppercase;
  background: rgba(212, 165, 63, 0.12);
  padding: 6px 16px;
  border-radius: 40px;
  margin-bottom: 14px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-header p {
  color: var(--text-weak);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 10px;
  padding: 12px 28px;
  font-size: 0.98rem;
  line-height: 1.4;
  border: 2px solid transparent;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); box-shadow: none; }

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

.btn-accent {
  background: var(--accent);
  color: #1a1a1a;
  border-color: var(--accent);
}
.btn-accent:hover { background: var(--accent-light); border-color: var(--accent-light); }

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

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: #fff;
}
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }

.btn-lg { padding: 15px 36px; font-size: 1.05rem; border-radius: 12px; }
.btn-sm { padding: 8px 18px; font-size: 0.88rem; border-radius: 8px; }

/* ===== 徽章 / 标签 ===== */
.badge {
  display: inline-block;
  background: rgba(212, 165, 63, 0.14);
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 40px;
  letter-spacing: 0.02em;
}

.category-tag {
  display: inline-block;
  background: rgba(22, 35, 74, 0.08);
  color: var(--primary-light);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 40px;
}

.post-category {
  display: inline-block;
  background: rgba(212, 165, 63, 0.16);
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 40px;
}

/* ===== 顶部栏 ===== */
.topbar {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.84rem;
  padding: 8px 0;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.topbar-inner span { display: inline-flex; align-items: center; gap: 8px; }
.topbar-inner i { color: var(--accent); }

@media (max-width: 600px) {
  .topbar-inner span:last-child { display: none; }
}

/* ===== 导航面板 ===== */
.site-header {
  background: transparent;
  padding: 18px 0 10px;
  position: relative;
  z-index: 50;
}

.nav-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 14px 20px;
  gap: 18px;
}

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

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 14px rgba(22, 35, 74, 0.3);
}

.brand-text {
  font-size: 1.16rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.01em;
  line-height: 1.3;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-grow: 1;
  justify-content: center;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  transition: var(--transition);
}

.nav-link:hover {
  background: rgba(22, 35, 74, 0.06);
  color: var(--primary);
}

.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(22, 35, 74, 0.22);
}

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

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

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(22, 35, 74, 0.06);
  color: var(--primary);
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.nav-toggle:hover { background: rgba(22, 35, 74, 0.12); }
.nav-toggle.active { background: var(--primary); color: #fff; }

/* 移动端菜单 */
.mobile-menu {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  margin-top: 8px;
  padding: 14px;
  flex-direction: column;
  gap: 4px;
}

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

.mobile-menu .nav-link {
  padding: 12px 16px;
  border-radius: 10px;
  width: 100%;
}

.mobile-menu .nav-link.active {
  color: #fff;
}

@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-actions .btn { display: none; }
  .nav-panel { padding: 12px 16px; }
  .brand-text { font-size: 1.05rem; }
}

/* ===== Hero 首屏 ===== */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-radius: 0 0 40px 40px;
  margin-top: -10px;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(11, 19, 46, 0.92) 0%, rgba(11, 19, 46, 0.72) 50%, rgba(22, 35, 74, 0.45) 100%);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding: 90px 24px;
  color: #fff;
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--accent-light);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 40px;
  margin-bottom: 22px;
  backdrop-filter: blur(6px);
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  max-width: 640px;
}

.hero-desc {
  font-size: 1.18rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  max-width: 580px;
  margin-bottom: 36px;
}

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

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.stat-item { display: flex; flex-direction: column; }
.stat-item strong { font-size: 1.9rem; font-weight: 800; color: #fff; line-height: 1.3; }
.stat-item span { font-size: 0.9rem; color: rgba(255, 255, 255, 0.68); }

@media (max-width: 768px) {
  .hero { min-height: 560px; }
  .hero h1 { font-size: 2.1rem; }
  .hero-desc { font-size: 1rem; }
  .hero-inner { padding: 60px 24px; }
  .hero-stats { gap: 28px; }
  .stat-item strong { font-size: 1.5rem; }
}

@media (max-width: 520px) {
  .hero { min-height: 520px; border-radius: 0 0 28px 28px; }
  .hero h1 { font-size: 1.75rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { gap: 20px; }
}

/* ===== 快讯条 ===== */
.news-ticker-section { padding: 20px 0 0; }

.news-ticker {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  padding: 12px 22px;
  overflow: hidden;
}

.ticker-label {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #1a1a1a;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: 40px;
}

.ticker-content {
  display: flex;
  gap: 32px;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}

.ticker-content::-webkit-scrollbar { display: none; }

.ticker-content span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.92rem;
  color: var(--text);
  opacity: 0.85;
}

.ticker-content span::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .news-ticker { padding: 10px 14px; gap: 10px; }
  .ticker-content span { font-size: 0.82rem; }
}

/* ===== 平台介绍 ===== */
.intro-section {
  padding: 90px 0;
  background: var(--bg);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}

.intro-text .section-eyebrow { margin-bottom: 12px; }

.intro-text h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 20px;
}

.intro-text p {
  color: var(--text-weak);
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: 16px;
}

.intro-text .btn { margin-top: 10px; }

.intro-visual {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.intro-visual img {
  width: 100%;
  height: 430px;
  object-fit: cover;
}

.intro-float-card {
  position: absolute;
  bottom: 24px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 14px 22px;
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.intro-float-card i {
  width: 40px;
  height: 40px;
  background: rgba(212, 165, 63, 0.16);
  color: var(--accent-dark);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.intro-float-card span {
  font-weight: 700;
  color: var(--primary);
  font-size: 0.95rem;
}

@media (max-width: 960px) {
  .intro-grid { grid-template-columns: 1fr; gap: 36px; }
  .intro-visual img { height: 320px; }
}

/* ===== 专题卡片 ===== */
.category-section {
  padding: 90px 0;
  background: var(--surface);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.category-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.category-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
  border-color: rgba(212, 165, 63, 0.4);
}

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

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

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

.category-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(11, 19, 46, 0.35) 100%);
}

.category-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 24px 26px 28px;
  flex-grow: 1;
}

.category-body .category-tag { margin-bottom: 12px; }

.category-body h3 {
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.category-body p {
  color: var(--text-weak);
  font-size: 0.93rem;
  line-height: 1.75;
  margin-bottom: 20px;
  flex-grow: 1;
}

.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--accent-dark);
}

.category-link i { transition: transform 0.3s ease; }
.category-card:hover .category-link i { transform: translateX(4px); }

@media (max-width: 960px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}

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

/* ===== 最新资讯 ===== */
.latest-section {
  padding: 90px 0;
  background: var(--bg);
}

.latest-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.post-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.post-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(22, 35, 74, 0.2);
}

.post-card a {
  display: block;
  padding: 24px 26px;
}

.post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.post-date {
  font-size: 0.84rem;
  color: var(--text-weak);
}

.post-card h3 {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 10px;
  transition: var(--transition);
}

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

.post-card p {
  font-size: 0.92rem;
  color: var(--text-weak);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 16px;
  color: var(--text-weak);
  font-size: 1rem;
}

@media (max-width: 768px) {
  .latest-grid { grid-template-columns: 1fr; }
}

/* ===== 数据统计 ===== */
.stats-section {
  position: relative;
  overflow: hidden;
  padding: 70px 0;
}

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

.stats-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 19, 46, 0.94), rgba(22, 35, 74, 0.86));
  z-index: 1;
}

.stats-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-block {
  padding: 30px 10px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(4px);
  transition: var(--transition);
}

.stat-block:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.stat-block strong {
  display: block;
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-block span {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.78);
}

@media (max-width: 960px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 520px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat-block strong { font-size: 1.9rem; }
  .stat-block { padding: 20px 8px; }
}

/* ===== 使用流程 ===== */
.process-section {
  padding: 90px 0;
  background: var(--surface);
}

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

.process-grid::before {
  content: '';
  position: absolute;
  top: 56px;
  left: 12%;
  right: 12%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border) 0, var(--border) 8px, transparent 8px, transparent 16px);
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 28px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.step-num {
  position: absolute;
  top: 16px;
  right: 18px;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--border);
  letter-spacing: 0.02em;
}

.step-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 8px 24px rgba(22, 35, 74, 0.28);
  margin-bottom: 18px;
}

.process-step h3 {
  font-size: 1.14rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.9rem;
  color: var(--text-weak);
  line-height: 1.7;
}

@media (max-width: 960px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid::before { display: none; }
}

@media (max-width: 520px) {
  .process-grid { grid-template-columns: 1fr; }
}

/* ===== FAQ ===== */
.faq-section {
  padding: 90px 0;
  background: var(--bg);
}

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

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

.faq-item:hover {
  border-color: rgba(212, 165, 63, 0.4);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

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

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform 0.3s ease;
  margin-left: 20px;
  flex-shrink: 0;
}

.faq-item[open] summary { color: var(--primary); }
.faq-item[open] summary::after {
  transform: rotate(135deg);
  content: '+';
}

.faq-item p {
  padding: 0 24px 22px;
  color: var(--text-weak);
  font-size: 0.95rem;
  line-height: 1.85;
}

/* ===== CTA 区域 ===== */
.cta-section {
  position: relative;
  overflow: hidden;
  padding: 90px 0;
}

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

.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(11, 19, 46, 0.92), rgba(11, 19, 46, 0.78));
  z-index: 1;
}

.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  max-width: 760px;
}

.cta-inner h2 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 16px;
}

.cta-inner p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
  margin-bottom: 36px;
}

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

@media (max-width: 600px) {
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
  .cta-inner h2 { font-size: 1.7rem; }
}

/* ===== 页脚 ===== */
.footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.72);
  padding: 70px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr;
  gap: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .footer-logo {
  display: inline-block;
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

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

.footer-links a {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.68);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover { color: var(--accent-light); padding-left: 4px; }

.footer-info p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.9;
}

.footer-info p i {
  color: var(--accent);
  width: 22px;
  margin-right: 4px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.45);
}

.footer-bottom a { color: rgba(255, 255, 255, 0.55); }
.footer-bottom a:hover { color: var(--accent-light); }

@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: #f0f0f0; }
::-webkit-scrollbar-thumb { background: #c9ced6; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #a8aeb8; }

/* roulang page: article */
:root {
  --primary: #12233f;
  --primary-dark: #0b1830;
  --primary-light: #223654;
  --accent: #d9772e;
  --accent-dark: #c05e1c;
  --accent-soft: #fff1e6;
  --bg: #f4f1ec;
  --surface: #ffffff;
  --surface-alt: #f8f7f4;
  --text: #1b2432;
  --muted: #64748b;
  --border: #e5e0d8;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(18, 35, 63, 0.08);
  --shadow-lg: 0 12px 40px rgba(18, 35, 63, 0.12);
  --transition: all 0.25s 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", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 50px;
  transition: var(--transition);
  border: 2px solid transparent;
  line-height: 1.4;
  white-space: nowrap;
}
.btn i { font-size: 0.9em; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(18, 35, 63, 0.25); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(217, 119, 46, 0.3); }
.btn-outline { border-color: rgba(255,255,255,0.5); color: #fff; background: transparent; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.btn-block { width: 100%; }
.btn:focus, .nav-link:focus, .faq-question:focus, .share-btn:focus { outline: 3px solid rgba(217, 119, 46, 0.4); outline-offset: 2px; }

/* Header 卡片化导航面板 */
.site-header { padding: 20px 0 8px; position: relative; z-index: 50; }
.nav-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--surface);
  border-radius: 20px;
  padding: 12px 20px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.6);
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(18,35,63,0.2);
}
.brand-text { font-size: 1.2rem; font-weight: 800; color: var(--primary); letter-spacing: 0.5px; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  transition: var(--transition);
}
.nav-link i { font-size: 0.85rem; opacity: 0.7; }
.nav-link:hover { color: var(--primary); background: var(--accent-soft); }
.nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(18,35,63,0.25); }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: var(--primary); font-size: 1.2rem; align-items: center; justify-content: center; transition: var(--transition); }
.nav-toggle:hover { background: var(--accent); color: #fff; }

/* 文章 Banner */
.article-banner {
  margin: 20px 0 0;
  padding: 72px 0 64px;
  background: linear-gradient(135deg, rgba(11,24,48,0.94), rgba(18,35,63,0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  border-radius: 0 0 32px 32px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.article-banner::after {
  content: '';
  position: absolute;
  right: -80px; top: -80px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(217,119,46,0.3), transparent 62%);
  border-radius: 50%;
  pointer-events: none;
}
.breadcrumb { display: flex; align-items: center; gap: 10px; font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-bottom: 28px; flex-wrap: wrap; }
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 0.7rem; opacity: 0.6; }
.banner-cate { display: inline-block; background: var(--accent); color: #fff; padding: 5px 16px; border-radius: 50px; font-size: 0.8rem; font-weight: 700; margin-bottom: 16px; letter-spacing: 1px; }
.article-banner h1 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); font-weight: 800; line-height: 1.3; max-width: 800px; margin-bottom: 18px; }
.banner-meta { display: flex; align-items: center; gap: 20px; color: rgba(255,255,255,0.75); font-size: 0.9rem; flex-wrap: wrap; }
.banner-meta span { display: inline-flex; align-items: center; gap: 8px; }
.banner-meta i { color: var(--accent); }

/* 文章主体 */
.article-main-wrap { padding: 40px 0 60px; }
.article-main { background: var(--surface); border-radius: 20px; box-shadow: var(--shadow); padding: 40px; border: 1px solid rgba(255,255,255,0.5); }
.article-meta { display: flex; align-items: center; gap: 18px; padding-bottom: 24px; border-bottom: 1px solid var(--border); margin-bottom: 32px; font-size: 0.88rem; color: var(--muted); flex-wrap: wrap; }
.article-meta span { display: inline-flex; align-items: center; gap: 8px; }
.article-meta i { color: var(--accent); }
.article-meta .meta-divider { width: 4px; height: 4px; border-radius: 50%; background: var(--border); }

.article-body { font-size: 1.05rem; line-height: 1.9; color: var(--text); }
.article-body p { margin-bottom: 1.4em; }
.article-body h2 { font-size: 1.55rem; font-weight: 800; color: var(--primary); margin: 2em 0 0.9em; line-height: 1.4; position: relative; padding-left: 18px; }
.article-body h2::before { content: ''; position: absolute; left: 0; top: 0.25em; bottom: 0.25em; width: 5px; border-radius: 4px; background: linear-gradient(180deg, var(--accent), #f0a468); }
.article-body h3 { font-size: 1.25rem; font-weight: 700; color: var(--primary-light); margin: 1.8em 0 0.8em; }
.article-body ul, .article-body ol { margin: 1em 0 1.4em 1.6em; }
.article-body ul li { list-style: disc; margin-bottom: 0.6em; }
.article-body ol li { list-style: decimal; margin-bottom: 0.6em; }
.article-body li::marker { color: var(--accent); }
.article-body a { color: var(--accent); font-weight: 600; border-bottom: 1px solid rgba(217,119,46,0.3); }
.article-body a:hover { color: var(--accent-dark); border-color: var(--accent); }
.article-body img { border-radius: 14px; margin: 1.5em 0; box-shadow: var(--shadow); }
.article-body blockquote { border-left: 4px solid var(--accent); background: var(--accent-soft); padding: 18px 22px; border-radius: 0 12px 12px 0; margin: 1.5em 0; color: var(--text); font-style: normal; }
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 0.95rem; }
.article-body th, .article-body td { border: 1px solid var(--border); padding: 12px 14px; text-align: left; }
.article-body th { background: var(--primary); color: #fff; font-weight: 600; }

.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.tag { display: inline-block; background: var(--surface-alt); border: 1px solid var(--border); padding: 6px 16px; border-radius: 50px; font-size: 0.82rem; color: var(--muted); transition: var(--transition); }
.tag:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.article-share { display: flex; align-items: center; gap: 12px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); }
.share-label { font-size: 0.88rem; color: var(--muted); font-weight: 600; }
.share-btn { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--surface-alt); border: 1px solid var(--border); color: var(--muted); transition: var(--transition); }
.share-btn:hover { background: var(--primary); color: #fff; transform: translateY(-3px); box-shadow: 0 6px 16px rgba(18,35,63,0.2); }

.not-found { text-align: center; padding: 60px 20px; }
.not-found i { font-size: 3.4rem; color: #cbd5e1; margin-bottom: 20px; }
.not-found h2 { font-size: 1.6rem; color: var(--primary); margin-bottom: 12px; }
.not-found p { color: var(--muted); margin-bottom: 28px; }

/* 侧边栏 */
.article-sidebar .sidebar-card {
  background: var(--surface);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 26px;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.6);
}
.sidebar-card h3 { font-size: 1.05rem; font-weight: 800; color: var(--primary); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.sidebar-card h3::after { content: ''; flex: 1; height: 2px; background: linear-gradient(90deg, var(--accent), transparent); border-radius: 2px; }
.sidebar-link { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 12px; color: var(--text); font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; transition: var(--transition); }
.sidebar-link i { color: var(--accent); width: 20px; text-align: center; }
.sidebar-link:hover { background: var(--accent-soft); color: var(--primary); transform: translateX(4px); }
.cta-card { background: linear-gradient(135deg, var(--primary), var(--primary-light)) !important; color: #fff !important; position: relative; overflow: hidden; }
.cta-card::after { content: ''; position: absolute; right: -30px; bottom: -30px; width: 120px; height: 120px; background: radial-gradient(circle, rgba(217,119,46,0.4), transparent 65%); border-radius: 50%; }
.cta-card h3 { color: #fff !important; }
.cta-card p { color: rgba(255,255,255,0.8); font-size: 0.88rem; margin-bottom: 20px; line-height: 1.7; }
.cta-card .btn { position: relative; z-index: 2; }
.tip-list li { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; font-size: 0.88rem; color: var(--muted); line-height: 1.5; }
.tip-list li i { color: var(--accent); margin-top: 3px; }

/* 相关推荐 */
.related-section { padding: 70px 0; background: var(--surface-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 36px; flex-wrap: wrap; }
.section-tag { display: inline-block; background: var(--accent-soft); color: var(--accent); padding: 5px 16px; border-radius: 50px; font-size: 0.78rem; font-weight: 700; letter-spacing: 1px; margin-bottom: 12px; }
.section-head h2 { font-size: 1.8rem; font-weight: 800; color: var(--primary); line-height: 1.35; }
.post-card {
  display: block;
  background: var(--surface);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 3px 18px rgba(18,35,63,0.06);
  transition: var(--transition);
  height: 100%;
  margin-bottom: 0;
}
.post-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.post-cover { aspect-ratio: 16/10; overflow: hidden; position: relative; }
.post-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; }
.post-card:hover .post-cover img { transform: scale(1.06); }
.post-cover::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(11,24,48,0.25)); }
.post-info { padding: 22px 22px 20px; }
.badge { display: inline-block; background: var(--accent-soft); color: var(--accent); font-size: 0.75rem; font-weight: 700; padding: 4px 14px; border-radius: 50px; margin-bottom: 12px; }
.post-info h3 { font-size: 1.05rem; font-weight: 700; color: var(--text); line-height: 1.5; margin-bottom: 8px; transition: var(--transition); }
.post-card:hover .post-info h3 { color: var(--accent); }
.post-info > p { font-size: 0.86rem; color: var(--muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.post-meta { font-size: 0.8rem; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.post-meta i { color: var(--accent); }

/* FAQ */
.faq-section { padding: 70px 0; }
.faq-grid { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--surface);
  border-radius: 16px;
  box-shadow: 0 3px 18px rgba(18,35,63,0.05);
  margin-bottom: 14px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.6);
  transition: box-shadow 0.3s ease;
}
.faq-item.open { box-shadow: var(--shadow); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-question i { font-size: 0.9rem; color: var(--accent); transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer p { padding: 0 24px 22px; color: var(--muted); font-size: 0.93rem; line-height: 1.8; }

/* CTA 区块 */
.cta-section { padding: 70px 0; background: linear-gradient(135deg, rgba(11,24,48,0.96), rgba(18,35,63,0.92)), url('/assets/images/backpic/back-3.png') center/cover no-repeat; color: #fff; border-radius: 0; }
.cta-inner { text-align: center; max-width: 700px; margin: 0 auto; }
.cta-inner h2 { font-size: 2rem; font-weight: 800; margin-bottom: 18px; line-height: 1.35; }
.cta-inner p { color: rgba(255,255,255,0.8); font-size: 1rem; margin-bottom: 36px; line-height: 1.8; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* Footer */
.footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); padding: 70px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo { font-size: 1.3rem; font-weight: 800; color: #fff; display: block; margin-bottom: 16px; }
.footer-brand p { font-size: 0.88rem; line-height: 1.8; max-width: 360px; }
.footer h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 18px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.88rem; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-links a:hover { color: var(--accent); transform: translateX(4px); }
.footer-info p { display: flex; align-items: center; gap: 10px; font-size: 0.88rem; margin-bottom: 12px; }
.footer-info i { color: var(--accent); width: 18px; text-align: center; }
.footer-bottom { padding: 24px 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 0.82rem; color: rgba(255,255,255,0.4); }

/* 响应式 */
@media (max-width: 1024px) {
  .brand-text { font-size: 1.05rem; }
  .nav-link { padding: 8px 14px; font-size: 0.82rem; }
}
@media (max-width: 768px) {
  .site-header { padding: 12px 0 4px; }
  .nav-panel { flex-wrap: wrap; border-radius: 16px; }
  .brand { flex: 1; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    margin-top: 8px;
  }
  .nav-links.open { display: flex; }
  .nav-link { justify-content: flex-start; border-radius: 10px; }
  .article-banner { padding: 48px 0 44px; border-radius: 0 0 24px 24px; }
  .article-main { padding: 24px; }
  .article-body { font-size: 1rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .section-head h2 { font-size: 1.5rem; }
  .related-section, .faq-section { padding: 50px 0; }
  .cta-inner h2 { font-size: 1.55rem; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .brand-text { font-size: 0.95rem; }
  .brand-icon { width: 38px; height: 38px; font-size: 0.95rem; }
  .article-banner h1 { font-size: 1.45rem; }
  .banner-meta { gap: 10px; }
  .article-main { padding: 18px; border-radius: 14px; }
  .article-body h2 { font-size: 1.3rem; }
  .cta-buttons { flex-direction: column; }
  .cta-buttons .btn { width: 100%; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
    :root {
      --primary: #1e3a6e;
      --primary-dark: #152c54;
      --primary-light: #2a4a8a;
      --accent: #f5a623;
      --accent-hover: #de8f12;
      --bg: #f4f6fb;
      --bg-white: #ffffff;
      --bg-dark: #0f1c33;
      --text: #1e293b;
      --text-weak: #64748b;
      --border: #e2e8f0;
      --radius: 16px;
      --radius-sm: 10px;
      --shadow: 0 6px 24px rgba(30, 58, 110, 0.08);
      --shadow-lg: 0 16px 40px rgba(30, 58, 110, 0.14);
      --transition: all 0.3s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

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

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

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

    ul,
    ol {
      list-style: none;
    }

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
      line-height: 1.3;
      font-weight: 700;
      color: var(--text);
    }

    /* ===== 容器 ===== */
    .container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 30px;
    }

    .grid-container {
      max-width: 1240px;
      padding-left: 30px;
      padding-right: 30px;
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 13px 30px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 50px;
      cursor: pointer;
      transition: var(--transition);
      border: 2px solid transparent;
      line-height: 1.4;
      white-space: nowrap;
    }

    .btn i {
      font-size: 16px;
    }

    .btn-accent {
      background: var(--accent);
      color: var(--primary-dark);
      box-shadow: 0 6px 18px rgba(245, 166, 35, 0.35);
    }

    .btn-accent:hover {
      background: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(245, 166, 35, 0.42);
      color: var(--primary-dark);
    }

    .btn-ghost {
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
      border-color: rgba(255, 255, 255, 0.5);
      backdrop-filter: blur(4px);
    }

    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.22);
      color: #fff;
      transform: translateY(-2px);
      border-color: #fff;
    }

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

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

    .btn-header-nav {
      padding: 9px 20px;
      font-size: 14px;
      background: var(--primary);
      color: #fff;
      border-radius: 50px;
    }

    .btn-header-nav:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(30, 58, 110, 0.25);
      color: #fff;
    }

    /* ===== Header 导航 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border);
      box-shadow: 0 2px 12px rgba(15, 28, 51, 0.04);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 74px;
      gap: 20px;
      position: relative;
    }

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

    .brand-mark {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: var(--accent);
      font-size: 18px;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(30, 58, 110, 0.2);
    }

    .brand-text {
      font-size: 19px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: 0.5px;
    }

    .nav-area {
      display: flex;
      align-items: center;
      gap: 18px;
    }

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

    .nav-link {
      padding: 9px 18px;
      font-size: 15px;
      font-weight: 500;
      border-radius: 50px;
      color: var(--text);
      transition: var(--transition);
    }

    .nav-link:hover {
      background: rgba(30, 58, 110, 0.06);
      color: var(--primary);
    }

    .nav-link.active {
      background: var(--primary);
      color: #fff;
      font-weight: 600;
      box-shadow: 0 4px 14px rgba(30, 58, 110, 0.25);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 10px;
      background: var(--bg);
      color: var(--primary);
      font-size: 18px;
      cursor: pointer;
      transition: var(--transition);
    }

    .menu-toggle:hover {
      background: rgba(30, 58, 110, 0.1);
    }

    /* ===== 页面 Hero ===== */
    .page-hero {
      position: relative;
      background: linear-gradient(135deg, rgba(15, 28, 51, 0.94), rgba(30, 58, 110, 0.86)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
      color: #fff;
      padding: 90px 0 80px;
      overflow: hidden;
    }

    .page-hero::after {
      content: '';
      position: absolute;
      top: -120px;
      right: -80px;
      width: 400px;
      height: 400px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(245, 166, 35, 0.25), transparent 70%);
      pointer-events: none;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 24px;
      flex-wrap: wrap;
    }

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

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

    .breadcrumb .sep {
      opacity: 0.5;
    }

    .hero-subtitle {
      font-size: 17px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.82);
      margin: 18px 0 28px;
      max-width: 560px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 30px;
    }

    .hero-badges {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 30px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(4px);
    }

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

    .hero-panel {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 20px;
      padding: 28px;
      backdrop-filter: blur(12px);
      box-shadow: 0 18px 40px rgba(0, 0, 0, 0.2);
    }

    .panel-title {
      font-size: 17px;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
      color: #fff;
    }

    .panel-title i {
      color: var(--accent);
    }

    .panel-list {
      margin: 0;
    }

    .panel-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 14px;
      color: rgba(255, 255, 255, 0.88);
    }

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

    .panel-list .date {
      font-size: 12px;
      color: var(--accent);
      background: rgba(245, 166, 35, 0.15);
      padding: 3px 10px;
      border-radius: 20px;
      white-space: nowrap;
      font-weight: 600;
    }

    .panel-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 18px;
      font-size: 14px;
      color: var(--accent);
      font-weight: 600;
      transition: var(--transition);
    }

    .panel-link:hover {
      gap: 12px;
      color: #fff;
    }

    .update-time {
      display: inline-block;
      margin-top: 14px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.55);
    }

    /* ===== 通用板块 ===== */
    .section {
      padding: 90px 0;
    }

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

    .section-header {
      text-align: center;
      margin-bottom: 50px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .section-header.left {
      text-align: left;
      margin-left: 0;
      margin-right: 0;
    }

    .section-tag {
      display: inline-block;
      padding: 5px 18px;
      background: rgba(30, 58, 110, 0.08);
      color: var(--primary);
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
    }

    .section-header h2 {
      font-size: 32px;
      color: var(--text);
      margin-bottom: 12px;
    }

    .section-header p {
      font-size: 16px;
      color: var(--text-weak);
      line-height: 1.7;
    }

    /* ===== 登录步骤 ===== */
    .step-card {
      background: var(--bg-white);
      border-radius: var(--radius);
      padding: 36px 28px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      position: relative;
      height: 100%;
      transition: var(--transition);
      overflow: hidden;
    }

    .step-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(30, 58, 110, 0.2);
    }

    .step-num {
      position: absolute;
      top: 22px;
      right: 26px;
      font-size: 44px;
      font-weight: 800;
      color: rgba(30, 58, 110, 0.08);
      line-height: 1;
    }

    .step-icon {
      width: 60px;
      height: 60px;
      border-radius: 16px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 20px;
      box-shadow: 0 8px 20px rgba(30, 58, 110, 0.2);
    }

    .step-card h3 {
      font-size: 20px;
      margin-bottom: 10px;
    }

    .step-card p {
      font-size: 15px;
      color: var(--text-weak);
      line-height: 1.7;
    }

    /* ===== 登录方式卡片 ===== */
    .entry-card {
      background: var(--bg-white);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      overflow: hidden;
      box-shadow: var(--shadow);
      height: 100%;
      transition: var(--transition);
    }

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

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

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

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

    .entry-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(15, 28, 51, 0.3), transparent 60%);
    }

    .entry-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      z-index: 2;
      background: rgba(255, 255, 255, 0.92);
      color: var(--primary);
      font-size: 12px;
      font-weight: 700;
      padding: 5px 14px;
      border-radius: 30px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .entry-body {
      padding: 26px 24px 28px;
    }

    .entry-body h3 {
      font-size: 20px;
      margin-bottom: 10px;
    }

    .entry-body p {
      font-size: 15px;
      color: var(--text-weak);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 15px;
      font-weight: 600;
      color: var(--primary);
      transition: var(--transition);
    }

    .text-link:hover {
      gap: 13px;
      color: var(--accent-hover);
    }

    /* ===== 登录准备清单 ===== */
    .check-list {
      margin: 0;
    }

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 16px 0;
      border-bottom: 1px solid var(--border);
      font-size: 16px;
      color: var(--text);
      line-height: 1.6;
    }

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

    .check-list li i {
      color: var(--accent);
      font-size: 20px;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .tip-box {
      background: linear-gradient(135deg, rgba(30, 58, 110, 0.04), rgba(245, 166, 35, 0.06));
      border: 1px solid rgba(30, 58, 110, 0.1);
      border-radius: var(--radius);
      padding: 34px 32px;
      height: 100%;
      box-shadow: var(--shadow);
    }

    .tip-icon {
      width: 54px;
      height: 54px;
      border-radius: 14px;
      background: var(--primary);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 18px;
    }

    .tip-box h3 {
      font-size: 20px;
      margin-bottom: 12px;
    }

    .tip-box p {
      font-size: 15px;
      color: var(--text-weak);
      line-height: 1.75;
      margin-bottom: 22px;
    }

    /* ===== FAQ 手风琴 ===== */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
      box-shadow: 0 2px 8px rgba(15, 28, 51, 0.04);
    }

    .faq-item.active {
      border-color: rgba(30, 58, 110, 0.25);
      box-shadow: var(--shadow);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 22px 26px;
      background: transparent;
      font-size: 17px;
      font-weight: 600;
      color: var(--text);
      cursor: pointer;
      text-align: left;
      transition: var(--transition);
    }

    .faq-question i {
      font-size: 14px;
      color: var(--text-weak);
      transition: var(--transition);
      flex-shrink: 0;
    }

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

    .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 26px 24px;
      font-size: 15px;
      color: var(--text-weak);
      line-height: 1.75;
      border-top: 1px solid var(--border);
      margin: 0;
    }

    /* ===== CTA 区域 ===== */
    .cta-section {
      padding: 80px 0;
      background: linear-gradient(135deg, var(--bg-dark), var(--primary-dark));
    }

    .cta-box {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 36px;
      flex-wrap: wrap;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 24px;
      padding: 44px 48px;
      backdrop-filter: blur(8px);
    }

    .cta-content h2 {
      color: #fff;
      font-size: 26px;
      margin-bottom: 10px;
    }

    .cta-content p {
      color: rgba(255, 255, 255, 0.72);
      max-width: 500px;
    }

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

    /* ===== Footer ===== */
    .footer {
      background: var(--bg-dark);
      color: rgba(255, 255, 255, 0.7);
      padding: 70px 0 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 50px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-logo {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      display: block;
      margin-bottom: 14px;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.55);
      max-width: 340px;
    }

    .footer h4 {
      color: #fff;
      font-size: 16px;
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }

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

    .footer-links a {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      transition: var(--transition);
    }

    .footer-links a:hover {
      color: var(--accent);
      padding-left: 6px;
    }

    .footer-info p {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      margin-bottom: 12px;
      color: rgba(255, 255, 255, 0.6);
    }

    .footer-info p i {
      color: var(--accent);
      width: 18px;
      text-align: center;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      padding: 24px 0;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.4);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .section {
        padding: 70px 0;
      }

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

      .cta-box {
        padding: 36px 30px;
      }
    }

    @media (max-width: 768px) {
      .container,
      .grid-container {
        padding-left: 20px;
        padding-right: 20px;
      }

      .header-inner {
        min-height: 64px;
      }

      .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .nav-area {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--bg-white);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 16px 30px rgba(15, 28, 51, 0.1);
        padding: 16px 20px;
        display: none;
        border-radius: 0 0 16px 16px;
      }

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

      .nav-links {
        flex-direction: column;
        gap: 6px;
        width: 100%;
      }

      .nav-link {
        width: 100%;
        text-align: center;
        padding: 12px;
      }

      .btn-header-nav {
        margin-top: 12px;
        text-align: center;
        justify-content: center;
      }

      .page-hero {
        padding: 60px 0 50px;
      }

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

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

      .section {
        padding: 56px 0;
      }

      .section-header h2 {
        font-size: 26px;
      }

      .step-card,
      .entry-card,
      .check-list,
      .tip-box {
        margin-bottom: 20px;
      }

      .cta-box {
        flex-direction: column;
        text-align: center;
        padding: 28px 22px;
      }

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

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

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

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

    @media (max-width: 520px) {
      .brand-text {
        font-size: 16px;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        font-size: 15px;
      }

      .section-header h2 {
        font-size: 23px;
      }

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

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

      .tip-box,
      .entry-body {
        padding: 22px 18px;
      }

      .panel-list li {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
      }
    }

    a:focus-visible,
    button:focus-visible {
      outline: 3px solid rgba(245, 166, 35, 0.6);
      outline-offset: 2px;
    }

/* roulang page: category2 */
/* ==========================================================
           完整设计系统：设计变量、重置、布局、组件、响应式
           ========================================================== */
        :root {
            --primary: #1e3a5f;
            --primary-dark: #152c47;
            --primary-light: #2c4d78;
            --accent: #e8b54a;
            --accent-hover: #d19e36;
            --accent-soft: rgba(232, 181, 74, 0.14);
            --bg: #f4f6fa;
            --bg-white: #ffffff;
            --text: #1c2635;
            --text-light: #5f6e80;
            --text-muted: #8a97a8;
            --border: #dfe5ee;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 22px;
            --shadow-xs: 0 1px 3px rgba(20, 35, 60, 0.04);
            --shadow-sm: 0 2px 12px rgba(20, 35, 60, 0.06);
            --shadow-md: 0 8px 28px rgba(20, 35, 60, 0.1);
            --shadow-lg: 0 16px 48px rgba(20, 35, 60, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-title: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ---- 按钮 ---- */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 30px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            line-height: 1.2;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(232, 181, 74, 0.3);
            transition: var(--transition);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 181, 74, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(232, 181, 74, 0.25);
        }

        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .nav-links a:focus-visible,
        .faq-question:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 13px 32px;
            border-radius: 30px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.45);
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

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

        /* ---- Header / 导航面板 ---- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-xs);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
            gap: 24px;
        }

        .logo-text {
            font-family: var(--font-title);
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(244, 246, 250, 0.8);
            padding: 6px;
            border-radius: 40px;
            border: 1px solid rgba(223, 229, 238, 0.8);
        }

        .nav-links .nav-link {
            padding: 9px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-links .nav-link:hover {
            color: var(--primary);
            background: rgba(30, 58, 95, 0.05);
        }

        .nav-links .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(30, 58, 95, 0.25);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-cta .btn-primary {
            padding: 10px 24px;
            font-size: 0.9rem;
            border-radius: 30px;
            box-shadow: 0 2px 10px rgba(232, 181, 74, 0.25);
        }

        .nav-toggle {
            display: none;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            font-size: 1.25rem;
            color: var(--primary);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(30, 58, 95, 0.06);
            border-color: rgba(30, 58, 95, 0.2);
        }

        /* ---- 移动端抽屉 ---- */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 80px;
            left: 0;
            right: 0;
            background: #fff;
            padding: 16px 24px 20px;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            z-index: 998;
            flex-direction: column;
            gap: 4px;
        }

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

        .mobile-menu a {
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            color: var(--text);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(30, 58, 95, 0.06);
            color: var(--primary);
        }

        /* ---- 页面 Hero Banner ---- */
        .page-hero {
            position: relative;
            padding: 100px 0 92px;
            background:
                linear-gradient(135deg, rgba(21, 44, 71, 0.93) 0%, rgba(30, 58, 95, 0.82) 55%, rgba(30, 58, 95, 0.7) 100%),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 40px;
            background: linear-gradient(to bottom, transparent, rgba(244, 246, 250, 0.6));
            pointer-events: none;
        }

        .page-hero h1 {
            font-family: var(--font-title);
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
            line-height: 1.25;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }

        .page-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.85;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }

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

        .breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-top: 28px;
            padding: 10px 20px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 30px;
            font-size: 0.88rem;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }

        /* ---- 通用板块 ---- */
        .section {
            padding: 92px 0;
        }

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

        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 24px;
            background: var(--accent-soft);
            color: #a05e03;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
            border: 1px solid rgba(232, 181, 74, 0.2);
        }

        .section-header h2 {
            font-family: var(--font-title);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            line-height: 1.85;
        }

        /* ---- 帮助分类卡片 ---- */
        .help-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 36px 28px 32px;
            text-align: center;
            box-shadow: var(--shadow-xs);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .help-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--accent-hover));
            opacity: 0;
            transition: var(--transition);
        }

        .help-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: rgba(30, 58, 95, 0.12);
        }

        .help-card:hover::before {
            opacity: 1;
        }

        .help-card .icon-wrap {
            width: 68px;
            height: 68px;
            border-radius: 18px;
            margin: 0 auto 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.7rem;
            background: rgba(30, 58, 95, 0.07);
            color: var(--primary);
            transition: var(--transition);
        }

        .help-card:nth-child(2) .icon-wrap {
            background: var(--accent-soft);
            color: #a05e03;
        }

        .help-card:nth-child(3) .icon-wrap {
            background: rgba(44, 77, 120, 0.08);
            color: var(--primary-light);
        }

        .help-card:hover .icon-wrap {
            transform: scale(1.08);
        }

        .help-card h3 {
            font-size: 1.12rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--primary);
        }

        .help-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ---- 使用流程步骤 ---- */
        .steps-grid .cell {
            margin-bottom: 0;
        }

        .step-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 36px 28px 30px;
            position: relative;
            box-shadow: var(--shadow-xs);
            transition: var(--transition);
            height: 100%;
        }

        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
            border-color: rgba(30, 58, 95, 0.1);
        }

        .step-num {
            display: block;
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent);
            opacity: 0.3;
            margin-bottom: 14px;
            font-family: var(--font-title);
            line-height: 1;
        }

        .step-item h3 {
            font-size: 1.12rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--primary);
        }

        .step-item p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ---- 图文详细指南卡片 ---- */
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-xs);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(30, 58, 95, 0.1);
        }

        .feature-card .cover {
            height: 210px;
            overflow: hidden;
            position: relative;
            background: #eef1f6;
        }

        .feature-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.55s ease;
        }

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

        .feature-card .cover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(30, 58, 95, 0.15), transparent);
            pointer-events: none;
        }

        .feature-body {
            padding: 26px 28px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .feature-body .tag-list {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .feature-body .tag {
            padding: 4px 14px;
            border-radius: 16px;
            font-size: 0.78rem;
            background: rgba(30, 58, 95, 0.06);
            color: var(--primary);
            font-weight: 500;
            letter-spacing: 0.02em;
            border: 1px solid rgba(30, 58, 95, 0.06);
        }

        .feature-body h3 {
            font-size: 1.14rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.45;
        }

        .feature-body p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.8;
            flex: 1;
        }

        .feature-body .more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 18px;
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .feature-body .more-link:hover {
            color: var(--accent-hover);
            gap: 12px;
        }

        /* ---- FAQ 手风琴 ---- */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(30, 58, 95, 0.12);
        }

        .faq-question {
            padding: 22px 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text);
            font-size: 1.02rem;
            transition: var(--transition);
            background: var(--bg-white);
            user-select: none;
        }

        .faq-question:hover {
            background: rgba(244, 246, 250, 0.5);
        }

        .faq-question .faq-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(30, 58, 95, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
            box-shadow: 0 2px 10px rgba(232, 181, 74, 0.35);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-answer p {
            padding: 0 28px 26px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.8;
            border-top: 1px solid var(--border);
            margin: 0 0 0;
            padding-top: 20px;
        }

        /* ---- CTA 区块 ---- */
        .cta-wrap {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #0f1f33 100%);
            border-radius: 28px;
            padding: 72px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-wrap::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(232, 181, 74, 0.12);
            pointer-events: none;
        }

        .cta-wrap::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 20px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }

        .cta-wrap h2 {
            font-family: var(--font-title);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .cta-wrap p {
            max-width: 580px;
            margin: 0 auto 36px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.04rem;
            position: relative;
            z-index: 1;
            line-height: 1.85;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ---- 页脚 ---- */
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.78);
            padding: 72px 0 28px;
            margin-top: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-logo {
            font-family: var(--font-title);
            font-size: 1.45rem;
            font-weight: 800;
            color: #fff;
            display: block;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .footer-brand p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.85;
            max-width: 360px;
        }

        .footer h4 {
            color: #fff;
            font-size: 1.02rem;
            margin-bottom: 20px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-info p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-info i {
            color: var(--accent);
            width: 20px;
            text-align: center;
            font-size: 1rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 26px;
            text-align: center;
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.42);
        }

        .footer-bottom p {
            margin-bottom: 6px;
        }

        /* ---- Foundation 网格微调 ---- */
        .grid-x {
            margin-left: -12px;
            margin-right: -12px;
        }

        .grid-x>.cell {
            padding-left: 12px;
            padding-right: 12px;
            margin-bottom: 24px;
        }

        .grid-x>.cell:last-child {
            margin-bottom: 0;
        }

        @media (min-width: 64em) {
            .grid-x>.cell {
                margin-bottom: 0;
            }
        }

        /* ---- 响应式断点 ---- */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }

            .header-inner {
                height: 72px;
            }

            .nav-links .nav-link {
                padding: 8px 14px;
                font-size: 0.85rem;
            }

            .page-hero {
                padding: 80px 0 72px;
            }

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

            .section {
                padding: 72px 0;
            }

            .section-header h2 {
                font-size: 1.85rem;
            }

            .cta-wrap {
                padding: 56px 32px;
            }
        }

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

            .nav-cta .nav-cta-btn {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-menu {
                top: 72px;
            }

            .page-hero {
                padding: 64px 0 56px;
            }

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

            .page-hero .hero-desc {
                font-size: 1rem;
            }

            .section {
                padding: 56px 0;
            }

            .section-header {
                margin-bottom: 40px;
            }

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

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

            .footer-brand {
                grid-column: 1 / -1;
            }

            .cta-wrap {
                padding: 48px 24px;
                border-radius: 20px;
            }

            .cta-wrap h2 {
                font-size: 1.6rem;
            }
        }

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

            .header-inner {
                height: 64px;
            }

            .logo-text {
                font-size: 1.2rem;
            }

            .mobile-menu {
                top: 64px;
            }

            .page-hero {
                padding: 48px 0 44px;
            }

            .page-hero h1 {
                font-size: 1.5rem;
                margin-bottom: 14px;
            }

            .page-hero .hero-desc {
                font-size: 0.93rem;
            }

            .hero-badge {
                font-size: 0.78rem;
                padding: 6px 14px;
            }

            .breadcrumb {
                font-size: 0.8rem;
                padding: 8px 14px;
            }

            .section {
                padding: 44px 0;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .section-header .section-desc {
                font-size: 0.95rem;
            }

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

            .step-item {
                padding: 28px 20px;
            }

            .feature-body {
                padding: 22px 18px;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 0.95rem;
            }

            .faq-answer p {
                padding: 16px 20px 22px;
                font-size: 0.9rem;
            }

            .cta-wrap {
                padding: 40px 18px;
                border-radius: 16px;
            }

            .cta-wrap h2 {
                font-size: 1.35rem;
            }

            .cta-wrap p {
                font-size: 0.92rem;
            }

            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }

            .footer {
                padding: 48px 0 20px;
            }

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

            .footer-brand {
                grid-column: auto;
            }

            .footer-bottom {
                font-size: 0.78rem;
            }
        }

/* roulang page: category3 */
:root {
  --primary: #0a1a2f;
  --primary-light: #142b4a;
  --primary-dark: #060f1d;
  --accent: #d3a748;
  --accent-light: #e8c87a;
  --accent-dark: #b3892e;
  --bg: #f4f6fb;
  --bg-deep: #e9eef6;
  --card: #ffffff;
  --text: #1a2a3f;
  --text-2: #4c6079;
  --text-3: #7a8c9f;
  --line: #dde4ee;
  --success: #189a6c;
  --danger: #d64545;
  --shadow-sm: 0 2px 10px rgba(10,26,47,.06);
  --shadow-md: 0 8px 24px rgba(10,26,47,.09);
  --shadow-lg: 0 20px 50px rgba(10,26,47,.13);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --container: 1200px;
  --tr: all .3s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input, textarea, select { font-family: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.grid-x { display: flex; flex-flow: row wrap; margin: 0; }
.grid-x > .cell { padding: 14px; flex: 0 0 auto; }
.grid-x > .cell.large-3 { width: 25%; }
.grid-x > .cell.large-4 { width: 33.3333%; }
.grid-x > .cell.large-6 { width: 50%; }
.grid-x > .cell.large-8 { width: 66.6667%; }
.grid-x > .cell.small-12 { width: 100%; }

.section { padding: 80px 0; }
.section-deep { background: var(--bg-deep); }

.section-head { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.section-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(211,167,72,.12); color: var(--accent-dark); font-size: 13px; font-weight: 600; padding: 6px 14px; border-radius: 999px; letter-spacing: .5px; margin-bottom: 12px; }
.section-head h2 { font-size: 32px; line-height: 1.3; margin: 0 0 14px; color: var(--primary); font-weight: 800; }
.section-head p { font-size: 16px; color: var(--text-2); margin: 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 24px; font-size: 15px; font-weight: 600; border-radius: 999px; transition: var(--tr); border: 1px solid transparent; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-light { background: #fff; color: var(--primary); box-shadow: var(--shadow-md); }
.btn-light:hover { background: var(--accent-light); color: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,.55); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid rgba(211,167,72,.55); outline-offset: 2px; }

.badge, .tag-chip { display: inline-block; background: rgba(211,167,72,.14); color: var(--accent-dark); font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 999px; }

.site-header { background: var(--primary); position: sticky; top: 0; z-index: 120; box-shadow: var(--shadow-md); }
.header-main { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 16px; flex-wrap: wrap; }
.brand-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-size: 20px; font-weight: 800; letter-spacing: .5px; padding: 8px 14px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius-sm); transition: var(--tr); }
.brand-logo:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.28); }
.brand-icon { color: var(--accent); font-size: 20px; }
.nav-links { display: flex; gap: 8px; flex-wrap: wrap; }
.nav-link { display: inline-flex; align-items: center; justify-content: center; padding: 9px 18px; color: rgba(255,255,255,.72); font-size: 14px; font-weight: 500; border-radius: 10px; border: 1px solid transparent; transition: var(--tr); }
.nav-link:hover { color: #fff; background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.14); }
.nav-link.active { color: var(--primary); background: #fff; font-weight: 700; box-shadow: var(--shadow-sm); }
.nav-toggle { display: none; color: #fff; font-size: 22px; padding: 8px 12px; border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius-sm); transition: var(--tr); }
.nav-toggle:hover { background: rgba(255,255,255,.1); }

.page-hero { position: relative; background-size: cover; background-position: center; color: #fff; padding: 100px 0 90px; min-height: 460px; }
.page-hero .hero-overlay { position: absolute; inset: 0; background: linear-gradient(130deg, rgba(6,15,29,.94) 0%, rgba(10,26,47,.82) 45%, rgba(20,43,74,.62) 100%); }
.page-hero .container { position: relative; z-index: 2; }
.hero-inner { max-width: 760px; }
.hero-kicker { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); padding: 7px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 22px; backdrop-filter: blur(6px); }
.hero-kicker i { color: var(--accent); }
.hero-inner h1 { font-size: 44px; line-height: 1.22; margin: 0 0 18px; font-weight: 800; letter-spacing: .5px; }
.hero-inner h1 span { color: var(--accent); }
.hero-lead { font-size: 17px; line-height: 1.7; color: rgba(255,255,255,.85); max-width: 580px; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-meta { display: flex; gap: 22px; flex-wrap: wrap; font-size: 14px; color: rgba(255,255,255,.68); }
.hero-meta i { color: var(--accent); margin-right: 6px; }

.stat-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; height: 100%; box-shadow: var(--shadow-sm); transition: var(--tr); position: relative; overflow: hidden; }
.stat-card::before { content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%; background: linear-gradient(90deg, var(--accent), transparent); }
.stat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(211,167,72,.35); }
.stat-icon { width: 52px; height: 52px; border-radius: 14px; background: rgba(211,167,72,.12); color: var(--accent-dark); display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 16px; }
.stat-card strong { font-size: 38px; color: var(--primary); line-height: 1.1; display: block; margin-bottom: 6px; font-weight: 800; }
.stat-card h3 { font-size: 18px; margin: 0 0 8px; color: var(--text); font-weight: 700; }
.stat-card p { font-size: 14px; color: var(--text-2); margin: 0; line-height: 1.6; }

.security-card { background: var(--card); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--line); height: 100%; transition: var(--tr); }
.security-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card-media { position: relative; overflow: hidden; }
.card-media img { width: 100%; height: 190px; object-fit: cover; transition: transform .5s ease; }
.security-card:hover .card-media img { transform: scale(1.05); }
.card-tag { position: absolute; top: 14px; left: 14px; background: rgba(6,15,29,.8); color: #fff; font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 999px; backdrop-filter: blur(4px); }
.card-body { padding: 24px; }
.card-body h3 { font-size: 18px; margin: 0 0 10px; color: var(--primary); font-weight: 700; }
.card-body p { font-size: 14px; color: var(--text-2); line-height: 1.7; margin: 0 0 16px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--accent-dark); transition: var(--tr); }
.text-link:hover { color: var(--primary); gap: 10px; }
.text-link i { font-size: 12px; }

.process-steps { position: relative; max-width: 720px; margin: 0 auto; }
.process-steps::before { content: ""; position: absolute; left: 32px; top: 20px; bottom: 20px; width: 2px; background: linear-gradient(180deg, var(--accent), rgba(211,167,72,.1)); }
.process-step { position: relative; display: flex; gap: 24px; padding: 18px 0 28px; }
.step-num { flex: 0 0 64px; width: 64px; height: 64px; border-radius: 18px; background: var(--primary); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 800; box-shadow: var(--shadow-md); z-index: 1; position: relative; }
.step-body { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 24px; flex: 1; box-shadow: var(--shadow-sm); transition: var(--tr); }
.step-body:hover { box-shadow: var(--shadow-md); transform: translateX(4px); }
.step-body h3 { margin: 0 0 6px; font-size: 17px; color: var(--primary); font-weight: 700; }
.step-body p { margin: 0; font-size: 14px; color: var(--text-2); line-height: 1.6; }

.news-list { display: flex; flex-direction: column; gap: 20px; max-width: 840px; margin: 0 auto; }
.news-item { display: flex; gap: 20px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-sm); transition: var(--tr); align-items: stretch; }
.news-item:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.news-thumb { flex: 0 0 180px; width: 180px; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; border-radius: 12px; min-height: 130px; }
.news-content { flex: 1; padding: 4px 6px; }
.news-category { display: inline-block; background: rgba(211,167,72,.12); color: var(--accent-dark); font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; margin-bottom: 8px; }
.news-content h3 { font-size: 18px; margin: 0 0 8px; line-height: 1.45; color: var(--primary); font-weight: 700; }
.news-content h3 a { transition: var(--tr); }
.news-content h3 a:hover { color: var(--accent-dark); }
.news-content p { font-size: 14px; color: var(--text-2); margin: 0 0 12px; line-height: 1.65; }
.news-meta { display: flex; gap: 18px; font-size: 13px; color: var(--text-3); }
.news-meta i { margin-right: 5px; color: var(--accent-dark); }

.faq-wrap { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; align-items: start; max-width: 1080px; margin: 0 auto; }
.faq-intro { position: sticky; top: 120px; }
.faq-intro h2 { font-size: 30px; color: var(--primary); margin: 0 0 14px; font-weight: 800; }
.faq-intro p { font-size: 15px; color: var(--text-2); margin: 0 0 24px; }
.faq-contact { background: var(--primary); color: #fff; border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.faq-contact i { font-size: 28px; color: var(--accent); }
.faq-contact p { color: rgba(255,255,255,.85); font-weight: 600; margin: 0; }
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--tr); }
.faq-item:hover { border-color: rgba(211,167,72,.35); }
.faq-item.open { box-shadow: var(--shadow-md); }
.faq-question { display: flex; justify-content: space-between; align-items: center; gap: 16px; width: 100%; text-align: left; padding: 18px 22px; font-size: 15px; font-weight: 600; color: var(--text); transition: var(--tr); background: transparent; }
.faq-question:hover { color: var(--primary); }
.faq-question i { color: var(--accent-dark); transition: transform .35s ease; font-size: 14px; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .3s ease; padding: 0 22px; }
.faq-item.open .faq-answer { max-height: 300px; padding: 0 22px 18px; }
.faq-answer p { font-size: 14px; color: var(--text-2); margin: 0; line-height: 1.7; }

.cta-card { background: var(--primary); border-radius: var(--radius-lg); padding: 56px 60px; display: flex; justify-content: space-between; align-items: center; gap: 32px; color: #fff; position: relative; overflow: hidden; box-shadow: var(--shadow-lg); }
.cta-card::before { content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px; background: rgba(255,255,255,.06); border-radius: 50%; }
.cta-card::after { content: ""; position: absolute; right: 30px; bottom: -80px; width: 160px; height: 160px; background: rgba(211,167,72,.2); border-radius: 50%; }
.cta-content { position: relative; z-index: 2; }
.cta-content h2 { font-size: 30px; margin: 0 0 12px; font-weight: 800; }
.cta-content p { font-size: 15px; color: rgba(255,255,255,.78); margin: 0; max-width: 460px; }
.cta-actions { position: relative; z-index: 2; display: flex; gap: 14px; flex-wrap: wrap; }

.footer { background: var(--primary-dark); color: rgba(255,255,255,.72); padding: 70px 0 0; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1.2fr 1.2fr; gap: 44px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand .footer-logo { font-size: 20px; font-weight: 800; color: #fff; display: inline-block; margin-bottom: 14px; letter-spacing: .5px; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 320px; }
.footer h4 { font-size: 15px; color: #fff; margin: 0 0 16px; font-weight: 700; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; transition: var(--tr); padding: 4px 0; }
.footer-links a:hover { color: var(--accent); padding-left: 6px; }
.footer-info p { display: flex; align-items: center; gap: 10px; font-size: 14px; margin: 0 0 12px; }
.footer-info i { color: var(--accent); width: 18px; display: inline-flex; justify-content: center; }
.footer-bottom { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 22px 0; font-size: 13px; color: rgba(255,255,255,.5); }

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

@media (max-width: 1024px) {
  .section { padding: 64px 0; }
  .grid-x > .cell.large-3 { width: 50%; }
  .grid-x > .cell.large-4 { width: 50%; }
  .faq-wrap { grid-template-columns: 1fr; gap: 36px; }
  .faq-intro { position: static; }
  .cta-card { padding: 40px 32px; flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .container { padding: 0 18px; }
  .section { padding: 54px 0; }
  .header-main { flex-wrap: nowrap; }
  .brand-logo { font-size: 17px; padding: 7px 10px; gap: 7px; }
  .brand-icon { font-size: 16px; }
  .nav-links { display: none; position: absolute; top: calc(100% + 8px); left: 16px; right: 16px; background: var(--primary); border-radius: var(--radius); padding: 14px; flex-direction: column; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,.12); z-index: 100; }
  .nav-links.nav-open { display: flex; }
  .nav-link { padding: 14px; justify-content: flex-start; font-size: 15px; color: rgba(255,255,255,.85); }
  .nav-link.active { color: var(--primary); }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .site-header { position: relative; }
  .hero-inner h1 { font-size: 30px; }
  .hero-lead { font-size: 15px; }
  .page-hero { padding: 70px 0 66px; min-height: auto; }
  .grid-x > .cell { padding: 10px; }
  .grid-x > .cell.large-3, .grid-x > .cell.large-4 { width: 100%; }
  .news-item { flex-direction: column; }
  .news-thumb { flex: 0 0 auto; width: 100%; }
  .news-thumb img { height: 180px; min-height: auto; }
  .faq-wrap { grid-template-columns: 1fr; }
  .cta-card { padding: 32px 22px; }
  .cta-content h2 { font-size: 25px; }
  .stats-grid { margin: 0; }
  .process-steps::before { left: 30px; }
  .step-num { flex-basis: 56px; width: 56px; height: 56px; font-size: 16px; }
}

@media (max-width: 520px) {
  .section { padding: 44px 0; }
  .section-head h2 { font-size: 24px; }
  .brand-logo { font-size: 15px; }
  .nav-toggle { font-size: 18px; padding: 6px 10px; }
  .hero-inner h1 { font-size: 24px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero-meta { gap: 12px; flex-direction: column; align-items: flex-start; }
  .stat-card { padding: 22px 18px; }
  .stat-card strong { font-size: 30px; }
  .card-body h3 { font-size: 16px; }
  .news-item { padding: 14px; }
  .news-thumb img { height: 150px; }
  .news-content h3 { font-size: 16px; }
  .cta-card { padding: 26px 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .faq-question { font-size: 14px; padding: 16px 18px; }
  .faq-answer { padding: 0 18px; }
  .faq-item.open .faq-answer { padding: 0 18px 16px; }
}