/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0B1B3B;
  --primary-600: #10284F;
  --primary-700: #071126;
  --accent: #E8A33D;
  --accent-hover: #D68F2A;
  --bg: #F5F7FB;
  --surface: #FFFFFF;
  --surface-2: #EDF1F8;
  --text: #1A2438;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 4px 18px rgba(11, 27, 59, 0.06);
  --shadow-lg: 0 18px 48px rgba(11, 27, 59, 0.12);
  --container: 1200px;
  --header-h: 80px;
}

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

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }

h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 900;
  color: var(--text);
}

p { margin-bottom: 1rem; }

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

/* ===== 通用按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}
.btn i { font-size: 0.95em; }
.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.btn-lg { padding: 16px 42px; font-size: 1.05rem; }
.btn-accent {
  background: var(--accent);
  color: var(--primary);
  box-shadow: 0 6px 20px rgba(232, 163, 61, 0.35);
}
.btn-accent:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(232, 163, 61, 0.4);
}
.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-dark-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-dark-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ===== 通用标签/徽章 ===== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(232, 163, 61, 0.14);
  color: #B97810;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(11, 27, 59, 0.08);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 700;
}

/* ===== Section 通用 ===== */
.section { padding: 90px 0; }
.section-alt { background: var(--surface-2); }

.section-head {
  max-width: 760px;
  margin-bottom: 52px;
}
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head h2 {
  font-size: 2rem;
  font-weight: 900;
  margin-top: 14px;
  letter-spacing: -0.01em;
}
.section-head p {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
}
.section-head.light h2 { color: #fff; }
.section-head.light p { color: rgba(255, 255, 255, 0.75); }

/* ===== 头部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  min-height: var(--header-h);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--header-h);
}

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

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #1D428A);
  color: var(--accent);
  font-size: 1.1rem;
  box-shadow: 0 4px 14px rgba(11, 27, 59, 0.25);
}
.logo-text {
  font-size: 1.22rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: color 0.2s ease, background 0.2s ease;
  position: relative;
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(11, 27, 59, 0.05);
}
.nav-link.active {
  color: var(--primary);
  background: rgba(11, 27, 59, 0.08);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 10px;
  border-radius: 10px;
  transition: background 0.2s;
}
.nav-toggle:hover { background: rgba(11, 27, 59, 0.05); }
.nav-toggle .bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-toggle.is-active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active .bar:nth-child(2) { opacity: 0; }
.nav-toggle.is-active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  padding: 12px 24px 24px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  flex-direction: column;
  gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu .nav-link {
  padding: 14px 16px;
  font-size: 1rem;
}
.mobile-menu .btn {
  margin-top: 12px;
  justify-content: center;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  color: #fff;
  padding: 120px 0 110px;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(232, 163, 61, 0.18) 0%, transparent 50%),
    linear-gradient(135deg, rgba(11, 27, 59, 0.93) 0%, rgba(11, 27, 59, 0.78) 60%, rgba(20, 51, 122, 0.7) 100%),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
}
.hero-content {
  max-width: 860px;
  position: relative;
  z-index: 2;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  backdrop-filter: blur(6px);
  margin-bottom: 24px;
}
.hero-badge i { color: var(--accent); }
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.hero-lead {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.9;
  max-width: 640px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 36px;
  margin-top: 52px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  max-width: 480px;
}
.metric strong {
  display: block;
  font-size: 1.9rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.2;
}
.metric span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

/* ===== 特性卡片 ===== */
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  height: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232, 163, 61, 0.4);
}
.feature-icon {
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), #1D428A);
  color: var(--accent);
  font-size: 1.35rem;
  margin-bottom: 22px;
  box-shadow: 0 8px 22px rgba(11, 27, 59, 0.18);
}
.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 10px;
}
.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0;
}

/* ===== 分类卡片 ===== */
.category-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-decoration: none;
}
.category-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.category-card-img {
  position: relative;
  height: 230px;
  overflow: hidden;
}
.category-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.category-card:hover .category-card-img img { transform: scale(1.04); }
.category-card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 27, 59, 0) 40%, rgba(11, 27, 59, 0.4) 100%);
}
.category-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 6px 14px;
  background: rgba(11, 27, 59, 0.85);
  color: #fff;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  backdrop-filter: blur(4px);
}
.category-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.category-card-body h3 {
  font-size: 1.3rem;
  font-weight: 900;
  margin-bottom: 10px;
}
.category-card-body p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.75;
  flex: 1;
  margin-bottom: 18px;
}
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 800;
  font-size: 0.88rem;
}
.btn-text i { transition: transform 0.2s; }
.category-card:hover .btn-text i { transform: translateX(4px); }

/* ===== 资讯列表 ===== */
.news-col { margin-bottom: 24px; }
.news-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232, 163, 61, 0.45);
}
.news-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.news-cat {
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(11, 27, 59, 0.08);
  color: var(--primary);
  font-size: 0.74rem;
  font-weight: 700;
}
.news-card time {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.news-card h3 {
  font-size: 1.06rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.55;
}
.news-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 20px;
}
.news-more {
  font-size: 0.84rem;
  font-weight: 800;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-more i { transition: transform 0.2s; }
.news-card:hover .news-more i { transform: translateX(4px); }

.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== 流程板块 ===== */
.process-section {
  background:
    linear-gradient(180deg, rgba(11, 27, 59, 0.95) 0%, rgba(11, 27, 59, 0.88) 100%),
    url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  color: #fff;
}
.step-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  height: 100%;
  transition: background 0.3s, transform 0.3s;
}
.step-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}
.step-num {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  opacity: 0.9;
}
.step-card h3 {
  color: #fff;
  font-size: 1.12rem;
  margin-top: 14px;
  margin-bottom: 8px;
}
.step-card p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  line-height: 1.75;
  margin: 0;
}

/* ===== 统计板块 ===== */
.stats-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.stat-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 38px 16px 32px;
  text-align: center;
  transition: box-shadow 0.3s;
}
.stat-item:hover { box-shadow: var(--shadow-lg); }
.stat-item strong {
  display: block;
  font-size: 2.1rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-item span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item.open {
  border-color: rgba(232, 163, 61, 0.5);
  box-shadow: var(--shadow);
}
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--text);
  text-align: left;
  transition: color 0.2s;
}
.faq-q:hover { color: var(--primary); }
.faq-q:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
.faq-icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(11, 27, 59, 0.07);
  color: var(--primary);
  font-size: 0.75rem;
  transition: transform 0.3s ease, background 0.3s;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--accent);
  color: var(--primary);
}
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}
.faq-item.open .faq-a { grid-template-rows: 1fr; }
.faq-a-inner { overflow: hidden; }
.faq-a-inner p {
  padding: 0 24px 22px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
  margin: 0;
}

/* ===== CTA ===== */
.cta-section {
  background:
    radial-gradient(ellipse at 80% 20%, rgba(232, 163, 61, 0.2) 0%, transparent 50%),
    linear-gradient(120deg, rgba(11, 27, 59, 0.95) 0%, rgba(20, 51, 122, 0.88) 100%),
    url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  padding: 90px 0;
}
.cta-box {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}
.cta-box h2 {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 12px;
}
.cta-box p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  margin-bottom: 30px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary-700);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 24px;
  font-size: 0.9rem;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand .logo-icon {
  width: 36px;
  height: 36px;
  font-size: 0.95rem;
  border-radius: 10px;
}
.footer-desc {
  max-width: 340px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
}
.footer-col h4 {
  color: #fff;
  font-size: 0.98rem;
  margin-bottom: 16px;
  font-weight: 800;
}
.footer-col a {
  display: block;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--accent); }
.footer-col p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 8px;
}
.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.82rem;
}

/* ===== 全局焦点 ===== */
a:focus-visible,
button:focus-visible,
.btn:focus-visible {
  outline: 3px solid rgba(232, 163, 61, 0.55);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .nav-left,
  .nav-right { display: none; }
  .nav-toggle { display: flex; }
  .nav-logo { margin: 0 auto; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: flex; }
  .section { padding: 70px 0; }
  .hero { padding: 90px 0; }
  .stats-wrap { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-container,
  .container { padding-left: 18px; padding-right: 18px; }
  .section-head h2 { font-size: 1.65rem; }
  .hero { padding: 70px 0; }
  .hero h1 { font-size: 2rem; }
  .hero-metrics { gap: 20px; }
  .metric strong { font-size: 1.5rem; }
  .cta-box h2 { font-size: 1.6rem; }
}

@media (max-width: 520px) {
  .grid-container,
  .container { padding-left: 14px; padding-right: 14px; }
  .section { padding: 56px 0; }
  .hero { padding: 56px 0; }
  .hero-actions .btn,
  .cta-actions .btn { width: 100%; }
  .hero-metrics {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 36px;
    padding-top: 22px;
  }
  .metric { display: flex; justify-content: space-between; align-items: baseline; }
  .metric strong { font-size: 1.4rem; }
  .stats-wrap { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 1.45rem; }
  .logo-text { font-size: 1.02rem; }
  .logo-icon { width: 36px; height: 36px; font-size: 0.95rem; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #E8B64C;
  --primary-light: #FCEECB;
  --primary-dark: #C89B3C;
  --dark: #0F1B2C;
  --dark-2: #16263A;
  --text: #1E2A3D;
  --text-weak: #6B7A90;
  --border: #E4E9F0;
  --bg: #F7F9FC;
  --white: #FFFFFF;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(20, 30, 50, 0.06);
  --shadow-md: 0 6px 24px rgba(20, 30, 50, 0.08);
  --shadow-lg: 0 16px 48px rgba(20, 30, 50, 0.12);
  --transition: 0.3s ease;
}

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

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

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

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

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

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

.grid-container {
  max-width: 1200px;
  width: 100%;
}

/* ===== 通用工具 ===== */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: 40px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-header h2 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--dark);
  margin-bottom: 14px;
}

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

/* ===== 按钮 ===== */
.button {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 40px;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.primary-btn {
  background: var(--primary);
  color: var(--dark);
  box-shadow: 0 4px 16px rgba(232, 182, 76, 0.35);
}

.primary-btn:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 182, 76, 0.45);
}

.ghost-btn {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.6);
  color: var(--dark);
  backdrop-filter: blur(4px);
}

.ghost-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
  color: var(--dark);
  transform: translateY(-2px);
}

.ghost-dark {
  border-color: var(--border);
  color: var(--text);
}

.ghost-dark:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
  background: var(--primary-light);
}

/* ===== 顶部导航 ===== */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  position: relative;
  gap: 20px;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

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

.nav-link {
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  transition: all var(--transition);
}

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

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

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  white-space: nowrap;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 4px 14px rgba(232, 182, 76, 0.4);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  font-size: 20px;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

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

/* ===== Hero 横幅 ===== */
.page-hero {
  background:
    linear-gradient(135deg, rgba(15, 27, 44, 0.92) 0%, rgba(22, 38, 58, 0.78) 100%),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  padding: 100px 0 90px;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(232, 182, 76, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 28px;
}

.hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition);
}

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

.hero-breadcrumb .separator {
  font-size: 12px;
}

.page-hero h1 {
  font-size: 52px;
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
  max-width: 820px;
  letter-spacing: -0.5px;
}

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

.hero-subtitle {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
  margin-bottom: 36px;
}

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

/* ===== 快速开始 ===== */
.quick-steps-section {
  background: var(--white);
}

.steps-grid {
  margin-top: 20px;
}

.step-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px 32px;
  height: 100%;
  position: relative;
  transition: all var(--transition);
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232, 182, 76, 0.4);
}

.step-icon {
  width: 52px;
  height: 52px;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 20px;
}

.step-num {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 36px;
  font-weight: 900;
  color: rgba(30, 42, 61, 0.08);
  letter-spacing: -2px;
}

.step-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

.step-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== 登录方式 ===== */
.methods-section {
  background: var(--bg);
}

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

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

.method-img {
  position: relative;
  height: 180px;
  overflow: hidden;
}

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

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

.method-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 27, 44, 0.35), transparent 60%);
}

.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.92);
  color: var(--dark);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.badge.hot {
  background: var(--primary);
  color: var(--dark);
}

.method-body {
  padding: 24px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.method-body h3 {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}

.rating {
  color: var(--primary);
  font-size: 16px;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.method-body > p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  margin-bottom: 18px;
  flex: 1;
}

.method-meta {
  display: flex;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-weak);
}

.method-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.method-meta i {
  color: var(--primary);
  font-size: 14px;
}

/* ===== 新用户指引 ===== */
.guide-section {
  background: var(--white);
  overflow: hidden;
}

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

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

.guide-content .section-tag {
  margin-bottom: 12px;
}

.guide-content h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--dark);
  margin-bottom: 24px;
}

.guide-list {
  margin: 0 0 30px;
}

.guide-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg);
  border-radius: 12px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  transition: all var(--transition);
}

.guide-list li:hover {
  background: var(--primary-light);
  transform: translateX(4px);
}

.guide-list i {
  color: var(--primary-dark);
  font-size: 18px;
  margin-top: 2px;
}

/* ===== 数据统计 ===== */
.stats-section {
  background:
    linear-gradient(135deg, rgba(15, 27, 44, 0.94) 0%, rgba(22, 38, 58, 0.9) 100%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  padding: 80px 0;
}

.stats-grid {
  margin-top: 20px;
}

.stat-item {
  text-align: center;
  padding: 40px 20px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(4px);
  transition: all var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-6px);
}

.stat-num {
  font-size: 48px;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-num span {
  font-size: 22px;
  font-weight: 700;
  margin-left: 2px;
}

.stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.5px;
}

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

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

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

.faq-item.active {
  border-color: rgba(232, 182, 76, 0.5);
  box-shadow: var(--shadow-md);
  background: var(--white);
}

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

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

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: all var(--transition);
}

.faq-item.active .faq-icon {
  background: var(--primary);
  color: var(--dark);
  transform: rotate(180deg);
}

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

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

.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: 15px;
  color: var(--text-weak);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--bg);
}

.cta-box {
  background:
    linear-gradient(135deg, rgba(232, 182, 76, 0.95) 0%, rgba(200, 155, 60, 0.95) 100%);
  border-radius: 24px;
  padding: 60px 40px;
  text-align: center;
  color: var(--dark);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.cta-box::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: 20px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.cta-box h2 {
  font-size: 32px;
  font-weight: 900;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.cta-box p {
  font-size: 16px;
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 30px;
  position: relative;
  z-index: 1;
}

.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.cta-actions .primary-btn {
  background: var(--dark);
  color: #fff;
  box-shadow: 0 4px 16px rgba(15, 27, 44, 0.3);
}

.cta-actions .primary-btn:hover {
  background: #1c2b42;
  transform: translateY(-2px);
}

.cta-actions .ghost-btn {
  border-color: rgba(15, 27, 44, 0.3);
  color: var(--dark);
}

.cta-actions .ghost-btn:hover {
  background: rgba(15, 27, 44, 0.08);
  border-color: transparent;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 70px 0 0;
  font-size: 14px;
}

.site-footer .cell {
  margin-bottom: 30px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.footer-desc {
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 360px;
}

.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

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

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  padding: 6px 0;
  transition: color var(--transition), padding-left var(--transition);
}

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

.footer-col p {
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  margin-bottom: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 30px;
  padding: 22px 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 13px;
}

.footer-bottom p {
  margin: 0;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .section {
    padding: 64px 0;
  }

  .page-hero h1 {
    font-size: 44px;
  }

  .header-logo {
    font-size: 18px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    min-height: 64px;
  }

  .nav-left,
  .nav-right {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 10px;
    flex-direction: column;
    gap: 4px;
    border-radius: 0 0 var(--radius) var(--radius);
    z-index: 99;
  }

  .nav-right {
    top: auto;
    left: auto;
  }

  .nav-left.open,
  .nav-right.open {
    display: flex;
  }

  .nav-left {
    top: calc(100% + 0px);
  }

  .nav-left.open + .header-logo + .nav-right {
    display: none;
  }

  .nav-left.open + .header-logo + .nav-right + .menu-toggle + .nav-right,
  .nav-left.open ~ .nav-right {
    display: flex;
    top: calc(100% + 132px);
    left: 0;
    right: 0;
  }

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

  .menu-toggle {
    display: flex;
  }

  .header-logo {
    font-size: 17px;
    margin: 0 auto;
    order: 2;
  }

  .nav-left {
    order: 1;
  }

  .menu-toggle {
    order: 3;
  }

  .header-inner {
    gap: 8px;
  }

  .page-hero {
    padding: 70px 0 60px;
  }

  .page-hero h1 {
    font-size: 36px;
  }

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

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

  .guide-content h2 {
    font-size: 26px;
  }

  .stat-num {
    font-size: 38px;
  }

  .cta-box {
    padding: 44px 24px;
  }

  .cta-box h2 {
    font-size: 24px;
  }

  .step-card,
  .method-card {
    margin-bottom: 16px;
  }
}

@media (max-width: 520px) {
  .section {
    padding: 50px 0;
  }

  .page-hero h1 {
    font-size: 30px;
  }

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

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

  .header-logo span:not(.logo-icon) {
    font-size: 14px;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 14px;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .stats-grid .cell {
    margin-bottom: 14px;
  }

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

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

  .guide-list li {
    font-size: 14px;
    padding: 12px 14px;
  }
}

/* ===== 焦点可访问性 ===== */
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(232, 182, 76, 0.6);
  outline-offset: 2px;
}

.nav-link:focus-visible {
  box-shadow: 0 0 0 3px rgba(232, 182, 76, 0.5);
}

/* roulang page: article */
:root {
    --primary: #0a1a2b;
    --primary-2: #132e42;
    --primary-3: #1d3f5a;
    --accent: #d4a24d;
    --accent-light: #e8c078;
    --accent-dark: #b7883a;
    --bg-body: #f4f6fb;
    --bg-white: #ffffff;
    --bg-soft: #eef1f7;
    --text-main: #182232;
    --text-muted: #687386;
    --border: #dfe4ed;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 8px rgba(10, 26, 43, 0.05);
    --shadow: 0 4px 20px rgba(10, 26, 43, 0.07);
    --shadow-lg: 0 10px 40px rgba(10, 26, 43, 0.12);
    --transition: all 0.25s ease;
    --space-section: 88px;
}
*, *::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-body);
    color: var(--text-main);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
a {
    color: var(--primary-3);
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    color: var(--accent-dark);
}
button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}
.container {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 24px;
}
/* ---------- Header / Nav ---------- */
.site-header {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 16px;
}
.nav-left,
.nav-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
}
.nav-right {
    justify-content: flex-end;
}
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    transition: var(--transition);
}
.nav-link:hover {
    background: var(--bg-soft);
    color: var(--accent-dark);
}
.nav-link.active {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(10, 26, 43, 0.18);
}
.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 0.5px;
    line-height: 1.2;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.site-logo:hover {
    color: var(--primary-2);
    background: var(--bg-soft);
}
.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--primary-3));
    color: var(--accent-light);
    border-radius: 10px;
    font-size: 17px;
    box-shadow: 0 4px 12px rgba(10, 26, 43, 0.25);
}
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: var(--bg-soft);
    color: var(--primary);
    font-size: 20px;
}
.mobile-menu {
    display: none;
    background: #ffffff;
    border-top: 1px solid var(--border);
    padding: 12px 0;
}
.mobile-menu a {
    display: block;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    border-left: 3px solid transparent;
}
.mobile-menu a:hover {
    background: var(--bg-soft);
    border-left-color: var(--accent);
}
.mobile-menu a.active {
    border-left-color: var(--primary);
    color: var(--primary);
    font-weight: 700;
}
/* ---------- Breadcrumb ---------- */
.article-breadcrumb {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    padding: 18px 0;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
}
.breadcrumb a {
    color: var(--text-muted);
    font-weight: 500;
}
.breadcrumb a:hover {
    color: var(--accent-dark);
}
.breadcrumb-sep {
    color: #b0b8c5;
}
.breadcrumb .current {
    color: var(--text-main);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 280px;
}
/* ---------- Article Section ---------- */
.article-section {
    padding: 56px 0 64px;
}
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 48px;
    align-items: start;
}
.article-main {
    min-width: 0;
}
.article-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px;
    border: 1px solid var(--border);
}
.article-card h1 {
    font-size: 32px;
    line-height: 1.35;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 16px;
    letter-spacing: 0.3px;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px dashed var(--border);
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-muted);
}
.article-cover {
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 28px;
    box-shadow: var(--shadow-sm);
}
.article-cover img {
    width: 100%;
    height: auto;
    object-fit: cover;
    aspect-ratio: 16 / 7;
    transition: transform 0.4s ease;
}
.article-cover:hover img {
    transform: scale(1.02);
}
.article-content {
    font-size: 16px;
    line-height: 1.85;
    color: #2a3040;
}
.article-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin: 32px 0 14px;
    padding-left: 14px;
    border-left: 4px solid var(--accent);
    border-radius: 2px;
}
.article-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-2);
    margin: 28px 0 12px;
}
.article-content p {
    margin-bottom: 18px;
}
.article-content ul,
.article-content ol {
    margin: 0 0 20px 24px;
    padding: 0;
}
.article-content li {
    margin-bottom: 8px;
}
.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: var(--bg-soft);
    padding: 16px 20px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 24px 0;
    color: var(--text-muted);
    font-style: italic;
}
.article-content img {
    border-radius: var(--radius-sm);
    margin: 20px 0;
}
.article-content a {
    color: var(--accent-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-content a:hover {
    color: var(--primary);
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.article-content table th {
    background: var(--primary);
    color: #ffffff;
    padding: 12px 15px;
    font-weight: 600;
    text-align: left;
}
.article-content table td {
    padding: 10px 15px;
    border-bottom: 1px solid var(--border);
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px dashed var(--border);
}
.tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--bg-soft);
    color: var(--text-muted);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}
.tag:hover {
    background: var(--primary);
    color: #ffffff;
}
.article-notfound {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    padding: 70px 40px;
    text-align: center;
}
.article-notfound i {
    font-size: 48px;
    color: var(--accent);
    margin-bottom: 18px;
}
.article-notfound h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}
.article-notfound p {
    color: var(--text-muted);
    margin-bottom: 24px;
}
/* ---------- Sidebar ---------- */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 28px;
    position: sticky;
    top: 96px;
}
.sidebar-widget {
    background: var(--bg-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    padding: 24px;
}
.sidebar-widget h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}
.sidebar-widget ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.sidebar-widget li {
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
}
.sidebar-widget li:last-child {
    border-bottom: none;
}
.sidebar-widget li a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-main);
    line-height: 1.5;
    display: block;
}
.sidebar-widget li a:hover {
    color: var(--accent-dark);
}
.widget-time {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}
.widget-cat {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-soft);
    margin-bottom: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    transition: var(--transition);
}
.widget-cat:hover {
    background: var(--primary);
    color: #ffffff;
    transform: translateX(-3px);
}
.widget-cat i {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--accent-light);
    border-radius: 8px;
    font-size: 14px;
}
.widget-cat:hover i {
    background: var(--accent);
    color: var(--primary);
}
.widget-about p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 8px 0 16px;
    line-height: 1.7;
}
/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid transparent;
    line-height: 1.4;
    text-align: center;
}
.btn-primary {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(10, 26, 43, 0.18);
}
.btn-primary:hover {
    background: var(--primary-3);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(10, 26, 43, 0.24);
}
.btn-accent {
    background: var(--accent);
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(212, 162, 77, 0.3);
}
.btn-accent:hover {
    background: var(--accent-light);
    color: var(--primary);
    transform: translateY(-2px);
}
.btn-light {
    background: #ffffff;
    color: var(--primary);
}
.btn-light:hover {
    background: var(--bg-soft);
    color: var(--primary);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text-main);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(10, 26, 43, 0.04);
    transform: translateY(-2px);
}
.btn-outline-light {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.6);
    color: #ffffff;
}
.btn-outline-light:hover {
    border-color: #ffffff;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}
.btn-sm {
    padding: 8px 18px;
    font-size: 14px;
}
/* ---------- Badge ---------- */
.badge {
    display: inline-block;
    padding: 4px 14px;
    background: var(--primary);
    color: #ffffff;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.badge-light {
    background: rgba(10, 26, 43, 0.08);
    color: var(--primary);
}
/* ---------- Related Section ---------- */
.related-section {
    padding: var(--space-section) 0;
    background: var(--bg-white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section-head {
    text-align: center;
    margin-bottom: 44px;
}
.section-head h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}
.section-head p {
    color: var(--text-muted);
    font-size: 16px;
}
.news-card {
    display: block;
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
}
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.news-card-cover {
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--bg-soft);
}
.news-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.news-card:hover .news-card-cover img {
    transform: scale(1.05);
}
.news-card-body {
    padding: 24px;
}
.news-card-body .badge {
    margin-bottom: 12px;
}
.news-card-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.4;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card-body p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card-body time {
    font-size: 13px;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
/* ---------- Category Nav Section ---------- */
.catnav-section {
    padding: var(--space-section) 0;
    background: var(--bg-body);
}
.cat-card {
    display: block;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-white);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    min-height: 300px;
}
.cat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.cat-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.cat-card:hover img {
    transform: scale(1.04);
}
.cat-card-body {
    padding: 24px;
}
.cat-card-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}
.cat-card-body p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}
/* ---------- CTA Section ---------- */
.cta-section {
    padding: 72px 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-3));
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    top: -80px;
    right: -60px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(212, 162, 77, 0.12);
}
.cta-section::after {
    content: "";
    position: absolute;
    bottom: -100px;
    left: -40px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
}
.cta-inner {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 640px;
    margin: 0 auto;
}
.cta-inner h2 {
    font-size: 32px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 12px;
}
.cta-inner p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
}
.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
/* ---------- Footer ---------- */
.site-footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 64px 0 0;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 14px;
}
.footer-brand .logo-icon {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-light);
}
.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 360px;
}
.footer-col h4 {
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
}
.footer-col a {
    display: block;
    padding: 5px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}
.footer-col a:hover {
    color: var(--accent-light);
    padding-left: 6px;
}
.footer-col p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 6px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    margin-top: 48px;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}
.footer-bottom p {
    margin: 0;
}
/* ---------- Responsive ---------- */
@media screen and (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .article-sidebar {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 20px;
    }
    .article-sidebar .widget-about {
        grid-column: span 3;
    }
}
@media screen and (max-width: 768px) {
    :root {
        --space-section: 56px;
    }
    .nav-left,
    .nav-right {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .site-header {
        position: sticky;
    }
    .mobile-menu {
        display: none;
    }
    .mobile-menu.open {
        display: block;
    }
    .header-inner {
        min-height: 62px;
    }
    .site-logo {
        font-size: 17px;
    }
    .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    .article-card {
        padding: 24px 20px;
    }
    .article-card h1 {
        font-size: 24px;
    }
    .article-content {
        font-size: 15px;
    }
    .article-content h2 {
        font-size: 20px;
    }
    .article-content h3 {
        font-size: 18px;
    }
    .article-sidebar {
        grid-template-columns: 1fr;
    }
    .article-sidebar .widget-about {
        grid-column: auto;
    }
    .section-head h2 {
        font-size: 26px;
    }
    .cta-inner h2 {
        font-size: 26px;
    }
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    .cta-actions .btn {
        width: 100%;
        max-width: 280px;
    }
}
@media screen and (max-width: 520px) {
    .container {
        padding: 0 16px;
    }
    .article-card {
        padding: 18px 16px;
        border-radius: 10px;
    }
    .article-card h1 {
        font-size: 21px;
    }
    .article-meta {
        gap: 10px;
    }
    .meta-item {
        font-size: 13px;
    }
    .article-content {
        font-size: 14px;
        line-height: 1.75;
    }
    .breadcrumb span.current {
        max-width: 170px;
    }
    .footer-col {
        margin-bottom: 24px;
    }
}

/* roulang page: category2 */
:root {
  --primary: #4f46e5;
  --primary-light: #818cf8;
  --primary-lighter: #eef2ff;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(79, 70, 229, 0.14);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: "Inter", "PingFang SC", "Hiragino Sans GB", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
}

html {
  scroll-behavior: smooth;
}

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

body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
}

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

:focus-visible {
  outline: 3px solid rgba(79, 70, 229, 0.4);
  outline-offset: 2px;
  border-radius: 4px;
}

.grid-container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

/* ============ HEADER 导航 ============ */
.site-header {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.7);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.3), transparent);
  pointer-events: none;
}

.site-nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 16px 0;
  position: relative;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

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

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.2px;
  color: var(--dark);
  padding: 6px 28px;
  white-space: nowrap;
  transition: var(--transition);
}

.site-logo .logo-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  border-radius: 12px;
  font-size: 0.95rem;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
}

.site-logo:hover {
  transform: translateY(-1px);
  color: var(--primary);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-light);
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

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

.nav-link.active {
  color: var(--primary);
  background: var(--primary-lighter);
  border-color: rgba(79, 70, 229, 0.15);
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.12);
}

.nav-link .nav-link-icon {
  font-size: 0.85rem;
  opacity: 0.9;
}

.nav-cta {
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
  transition: var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.4);
  color: #fff;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--text);
  transition: var(--transition);
}

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

.mobile-menu {
  display: none;
  width: 100%;
  flex-direction: column;
  gap: 6px;
  padding: 16px 8px 20px;
  border-top: 1px solid var(--border);
  background: #fff;
}

.mobile-menu .nav-link,
.mobile-menu .nav-cta {
  justify-content: center;
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 0.98rem;
}

/* ============ 页面 BANNER ============ */
.page-banner {
  position: relative;
  background: linear-gradient(108deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 27, 75, 0.78) 50%, rgba(79, 70, 229, 0.7) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 110px 0 120px;
  text-align: center;
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
}

.page-banner::after {
  content: "";
  position: absolute;
  bottom: -40%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.page-banner .banner-content {
  position: relative;
  z-index: 2;
}

.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 20px;
  border-radius: 999px;
  color: #e0e7ff;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 28px;
  text-transform: uppercase;
}

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

.page-banner h1 {
  color: #fff;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.page-banner h1 .highlight-text {
  background: linear-gradient(120deg, #c7d2fe, #a5b4fc, #fcd34d);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-banner p {
  color: rgba(226, 232, 240, 0.85);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0 auto 42px;
  line-height: 1.8;
}

.banner-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(79, 70, 229, 0.45);
  color: #fff;
}

.btn-outline-light {
  background: transparent;
  color: #e0e7ff;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-3px);
  color: #fff;
}

/* ============ 页面主体 ============ */
.page-main {
  padding: 80px 0;
}

.page-main .section-block {
  margin-bottom: 90px;
}

.section-block:last-child {
  margin-bottom: 0;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-head .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-lighter);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 7px 18px;
  border-radius: 999px;
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--dark);
  margin-bottom: 14px;
  line-height: 1.3;
}

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

/* ============ 安全核心卡片 ============ */
.security-cards .card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  padding: 32px 28px;
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

.security-cards .card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(79, 70, 229, 0.2);
}

.card-icon {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--primary-lighter);
  color: var(--primary);
  font-size: 1.35rem;
  margin-bottom: 22px;
  transition: var(--transition);
}

.security-cards .card:hover .card-icon {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  box-shadow: 0 6px 18px rgba(79, 70, 229, 0.35);
}

.card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
  line-height: 1.4;
}

.card p {
  color: var(--text-light);
  font-size: 0.93rem;
  line-height: 1.7;
}

.card-link {
  margin-top: auto;
  padding-top: 20px;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link i {
  font-size: 0.8rem;
  transition: var(--transition);
}

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

/* ============ 风险防范图文 ============ */
.risk-intro {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.risk-media {
  position: relative;
  min-height: 280px;
  overflow: hidden;
}

.risk-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
  position: absolute;
  inset: 0;
}

.risk-media:hover img {
  transform: scale(1.05);
}

.risk-info {
  padding: 40px 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.risk-info .risk-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-lighter);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  align-self: flex-start;
}

.risk-info h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.35;
}

.risk-info p {
  color: var(--text-light);
  line-height: 1.75;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.risk-list {
  display: grid;
  gap: 10px;
}

.risk-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text);
  padding: 10px 14px;
  background: #f8fafc;
  border-radius: 10px;
  border-left: 3px solid var(--primary);
}

.risk-list li i {
  color: var(--primary);
  font-size: 0.9rem;
  margin-top: 3px;
}

/* ============ 安全设置流程 + 数据 ============ */
.security-flow-section {
  background: linear-gradient(135deg, var(--dark), #1e1b4b);
  padding: 90px 0;
  color: #fff;
  border-radius: 32px;
  position: relative;
  overflow: hidden;
}

.security-flow-section::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(30%, -30%);
}

.security-flow-section .section-head h2,
.security-flow-section .section-head p {
  color: #fff;
}

.security-flow-section .section-head p {
  color: rgba(226, 232, 240, 0.75);
}

.security-flow-section .section-tag {
  background: rgba(255, 255, 255, 0.1);
  color: #c7d2fe;
}

.step-card {
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 28px 24px;
  height: 100%;
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
}

.step-num {
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.2);
  line-height: 1;
  margin-bottom: 14px;
  font-family: "Inter", sans-serif;
  display: block;
}

.step-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.85rem;
  color: rgba(226, 232, 240, 0.7);
  line-height: 1.6;
  margin: 0;
}

.flow-stats {
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-item {
  text-align: center;
  padding: 10px;
}

.stat-number {
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  display: block;
  margin-bottom: 6px;
  font-family: "Inter", sans-serif;
  letter-spacing: -0.02em;
}

.stat-number .stat-suffix {
  font-size: 1.2rem;
  color: var(--accent);
  margin-left: 2px;
}

.stat-label {
  font-size: 0.88rem;
  color: rgba(226, 232, 240, 0.7);
}

/* ============ 最新安全资讯 ============ */
.news-list-item {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 16px;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.news-list-item:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow);
  border-color: rgba(79, 70, 229, 0.2);
}

.news-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}

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

.news-content .news-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 8px;
  font-size: 0.82rem;
  color: var(--text-light);
}

.news-content .news-cat {
  background: var(--primary-lighter);
  color: var(--primary);
  padding: 3px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.78rem;
}

.news-content .news-date {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  margin: 0;
  transition: var(--transition);
}

.news-list-item:hover .news-content h4 {
  color: var(--primary);
}

.news-arrow {
  color: var(--text-light);
  font-size: 0.9rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.news-list-item:hover .news-arrow {
  color: var(--primary);
  transform: translateX(4px);
}

/* ============ 安全工具推荐 ============ */
.tools-grid .tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #7c3aed, var(--accent));
  opacity: 0;
  transition: var(--transition);
}

.tool-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(79, 70, 229, 0.15);
}

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

.tool-card .tool-type {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-lighter);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.tool-card h4 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.tool-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.7;
  margin: 0;
}

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

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(79, 70, 229, 0.2);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.05);
}

.faq-item details>summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.5;
  transition: var(--transition);
  user-select: none;
}

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

.faq-item details>summary:hover {
  color: var(--primary);
}

.faq-item .faq-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-lighter);
  color: var(--primary);
  border-radius: 50%;
  font-size: 0.8rem;
  transition: var(--transition);
}

.faq-item details[open] .faq-icon {
  background: var(--primary);
  color: #fff;
  transform: rotate(45deg);
}

.faq-item .faq-answer {
  padding: 0 28px 24px;
  color: var(--text-light);
  font-size: 0.93rem;
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  margin-top: 4px;
}

.faq-item .faq-answer p {
  margin: 0;
  padding-top: 16px;
}

/* ============ CTA ============ */
.cta-section {
  background: linear-gradient(120deg, #1e1b4b 0%, #312e81 55%, #4f46e5 100%);
  border-radius: 32px;
  padding: 70px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -60%;
  left: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
}

.cta-section::after {
  content: "";
  position: absolute;
  bottom: -80%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-content h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
  font-weight: 900;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.cta-content p {
  color: rgba(226, 232, 240, 0.85);
  max-width: 560px;
  margin: 0 auto 36px;
  font-size: 1.05rem;
  line-height: 1.8;
}

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

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

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  color: var(--primary);
}

.btn-outline-cta {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  box-shadow: none;
}

.btn-outline-cta:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-3px);
  color: #fff;
}

/* ============ 页脚 ============ */
.site-footer {
  background: #0f172a;
  color: rgba(226, 232, 240, 0.75);
  margin-top: 80px;
  padding: 70px 0 30px;
  position: relative;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #7c3aed, var(--accent), var(--primary));
  background-size: 300% 100%;
  animation: gradient-move 6s linear infinite;
}

@keyframes gradient-move {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

.site-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.site-footer .logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  border-radius: 12px;
  font-size: 1rem;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}

.footer-desc {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(226, 232, 240, 0.65);
  max-width: 380px;
  margin: 0;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 10px;
  position: relative;
}

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

.footer-col a {
  display: block;
  color: rgba(226, 232, 240, 0.65);
  font-size: 0.9rem;
  padding: 6px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: #fff;
  padding-left: 8px;
}

.footer-col p {
  font-size: 0.88rem;
  color: rgba(226, 232, 240, 0.65);
  padding: 4px 0;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.footer-bottom {
  margin-top: 50px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: rgba(226, 232, 240, 0.55);
  margin: 0;
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .grid-container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .site-logo {
    padding: 6px 16px;
    font-size: 1.05rem;
  }
  .nav-link {
    padding: 10px 14px;
    font-size: 0.88rem;
  }
}

@media (max-width: 768px) {
  .site-header {
    position: sticky;
  }
  .site-nav-wrap {
    padding: 12px 0;
  }
  .nav-left,
  .nav-right {
    display: none;
  }
  .site-logo {
    flex: 1;
    justify-content: flex-start;
    padding: 6px 8px;
  }
  .nav-toggle {
    display: flex;
  }
  .mobile-menu {
    display: flex;
  }
  .page-banner {
    padding: 80px 0 90px;
  }
  .page-banner h1 {
    font-size: 2rem;
  }
  .page-banner p {
    font-size: 0.95rem;
  }
  .page-main {
    padding: 60px 0;
  }
  .page-main .section-block {
    margin-bottom: 60px;
  }
  .risk-info {
    padding: 30px 24px;
  }
  .risk-media {
    min-height: 200px;
  }
  .security-flow-section {
    padding: 64px 0;
    border-radius: 24px;
  }
  .news-list-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 14px;
  }
  .news-arrow {
    display: none;
  }
  .cta-section {
    padding: 50px 28px;
  }
  .grid-margin-x {
    margin-left: 0;
    margin-right: 0;
  }
  .site-footer {
    padding: 50px 0 24px;
  }
  .footer-bottom {
    margin-top: 36px;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 15px;
  }
  .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .site-logo {
    font-size: 0.98rem;
  }
  .site-logo .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 0.85rem;
  }
  .nav-toggle {
    width: 40px;
    height: 40px;
  }
  .page-banner {
    padding: 60px 0 72px;
  }
  .page-banner h1 {
    font-size: 1.7rem;
  }
  .banner-buttons .btn {
    width: 100%;
    justify-content: center;
  }
  .section-head {
    margin-bottom: 40px;
  }
  .security-cards .card {
    padding: 24px 20px;
  }
  .step-card {
    padding: 20px;
  }
  .stat-number {
    font-size: 1.8rem;
  }
  .faq-item details>summary {
    padding: 18px 20px;
    font-size: 0.92rem;
  }
  .faq-item .faq-answer {
    padding: 0 20px 20px;
    font-size: 0.88rem;
  }
  .cta-section {
    padding: 40px 20px;
    border-radius: 20px;
  }
  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }
}