/* roulang page: index */
/* ============ 设计变量 ============ */
:root {
  --primary: #0b6efd;
  --primary-dark: #0956c2;
  --primary-darker: #083d8f;
  --primary-light: #e8f1ff;
  --accent: #16b8d6;
  --accent-dark: #0e8ea6;
  --accent-light: #e0f7fc;
  --warm: #f5a623;
  --warm-dark: #d98f0f;
  --warm-light: #fff6e6;
  --dark: #0b1b33;
  --dark-2: #12264a;
  --bg: #f5f8fd;
  --white: #ffffff;
  --text: #14213d;
  --text-muted: #5d6e88;
  --border: #dce5f0;
  --border-light: #eaf0f7;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-xs: 0 1px 3px rgba(11,27,51,.06);
  --shadow-sm: 0 2px 8px rgba(11,27,51,.06);
  --shadow-md: 0 6px 20px rgba(11,27,51,.08);
  --shadow-lg: 0 16px 48px rgba(11,27,51,.12);
  --transition: .25s ease;
  --font: '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; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
section[id] { scroll-margin-top: 92px; }

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

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 28px; border-radius: 12px; font-weight: 600; font-size: 15px;
  line-height: 1.4; border: 2px solid transparent; cursor: pointer;
  transition: all var(--transition); white-space: nowrap;
}
.btn:focus-visible, .nav-link:focus-visible, .faq-question:focus-visible, .search-box input:focus {
  outline: 3px solid rgba(11,110,253,.35); outline-offset: 2px;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(11,110,253,.3); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(11,110,253,.36); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(11,110,253,.3); }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 17px; border-radius: 14px; }
.btn-block-custom { display: inline-flex; }

/* ============ Header / Nav ============ */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-xs);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 32px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--text); letter-spacing: -.02em; }
.logo:hover { color: var(--text); }
.logo-icon {
  width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px; box-shadow: 0 4px 12px rgba(11,110,253,.3);
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 8px 16px; border-radius: 10px; font-weight: 500;
  font-size: 15px; color: var(--text-muted); transition: all var(--transition);
}
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.header-right { display: flex; align-items: center; gap: 14px; }
.search-box { position: relative; }
.search-box input {
  width: 200px; height: 40px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); padding: 0 14px 0 38px; font-size: 14px;
  outline: none; transition: all var(--transition); color: var(--text);
}
.search-box input::placeholder { color: #9aa8bb; }
.search-box input:focus { width: 240px; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(11,110,253,.12); }
.search-box i { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 14px; pointer-events: none; }
.nav-cta-btn { padding: 10px 22px; font-size: 14px; border-radius: 10px; }
.menu-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--text); cursor: pointer; padding: 8px; border-radius: 8px; transition: background var(--transition); }
.menu-toggle:hover { background: var(--bg); }

/* ============ Hero ============ */
.hero {
  position: relative; padding: 130px 0 150px; overflow: hidden;
  background: var(--dark);
}
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .45; }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(11,27,51,.94) 0%, rgba(13,52,110,.72) 55%, rgba(11,110,253,.42) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 840px; text-align: center; margin: 0 auto; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px; border-radius: 50px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  color: #fff; font-size: 14px; font-weight: 500;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.hero-badge i { color: var(--accent); }
.hero-title {
  font-size: clamp(2rem, 4.6vw, 3.6rem); font-weight: 800; line-height: 1.22;
  color: #fff; margin: 26px 0 18px; letter-spacing: -.02em;
}
.hero-title .gradient-text {
  background: linear-gradient(90deg, #4da3ff, #16b8d6);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.2rem); color: rgba(255,255,255,.78);
  max-width: 660px; margin: 0 auto 38px; line-height: 1.8;
}
.hero-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.hero-trust { display: flex; justify-content: center; gap: 30px; margin-top: 50px; flex-wrap: wrap; }
.hero-trust span { color: rgba(255,255,255,.72); font-size: 14px; display: flex; align-items: center; gap: 8px; }
.hero-trust i { color: var(--accent); font-size: 15px; }

/* ============ 统计条 ============ */
.stats-bar { position: relative; z-index: 5; margin-top: -62px; }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  background: #fff; border-radius: 24px; padding: 36px 32px;
  box-shadow: var(--shadow-lg); border: 1px solid var(--border-light);
}
.stat-item { text-align: center; position: relative; }
.stat-item + .stat-item::before {
  content: ''; position: absolute; left: -12px; top: 50%; transform: translateY(-50%);
  width: 1px; height: 48px; background: var(--border-light);
}
.stat-number { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; color: var(--primary); line-height: 1.2; }
.stat-number small { font-size: .65em; color: var(--text-muted); font-weight: 600; margin-right: 2px; }
.stat-label { font-size: 14px; color: var(--text-muted); margin-top: 6px; font-weight: 500; }

/* ============ 通用板块 ============ */
.section { padding: 96px 0; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 16px; border-radius: 50px;
  background: var(--primary-light); color: var(--primary);
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
}
.section-title { font-size: clamp(1.55rem, 3vw, 2.35rem); font-weight: 800; color: var(--text); margin: 16px 0 12px; letter-spacing: -.02em; line-height: 1.3; }
.section-desc { color: var(--text-muted); font-size: 16px; line-height: 1.8; }

/* ============ 核心特色 ============ */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.feature-card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border-light); box-shadow: var(--shadow-sm);
  transition: all var(--transition); position: relative;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0; transition: opacity var(--transition); z-index: 2;
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: transparent; }
.feature-card:hover::before { opacity: 1; }
.feature-card-img { height: 190px; overflow: hidden; }
.feature-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.feature-card:hover .feature-card-img img { transform: scale(1.06); }
.feature-card-body { padding: 28px 28px 32px; }
.feature-icon {
  width: 54px; height: 54px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 18px;
}
.feature-icon.blue { background: var(--primary-light); color: var(--primary); }
.feature-icon.cyan { background: var(--accent-light); color: var(--accent); }
.feature-icon.amber { background: var(--warm-light); color: var(--warm); }
.feature-title { font-size: 19px; font-weight: 700; margin-bottom: 10px; letter-spacing: -.01em; }
.feature-desc { color: var(--text-muted); font-size: 14px; line-height: 1.75; }
.feature-list { list-style: none; margin-top: 16px; }
.feature-list li { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; color: var(--text-muted); padding: 4px 0; }
.feature-list li i { color: var(--primary); font-size: 12px; margin-top: 6px; }

/* ============ 分类入口 ============ */
.cats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.cat-card {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border-light); box-shadow: var(--shadow-sm);
  transition: all var(--transition); display: flex; flex-direction: column;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.cat-card-img { height: 210px; overflow: hidden; position: relative; }
.cat-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.cat-card:hover .cat-card-img img { transform: scale(1.06); }
.cat-card-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(11,27,51,.55) 0%, transparent 45%);
}
.cat-card-badge {
  position: absolute; top: 16px; left: 16px; z-index: 2;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; border-radius: 50px;
  background: rgba(255,255,255,.92); color: var(--primary);
  font-size: 12px; font-weight: 600; box-shadow: var(--shadow-sm);
}
.cat-card-body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.cat-card-title { font-size: 20px; font-weight: 700; margin-bottom: 8px; letter-spacing: -.01em; }
.cat-card-desc { color: var(--text-muted); font-size: 14px; line-height: 1.75; flex: 1; }
.cat-card-link {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--primary);
}
.cat-card-link:hover { gap: 12px; color: var(--primary-dark); }
.cat-card-link i { transition: transform var(--transition); }

/* ============ 资讯列表 ============ */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-card {
  background: #fff; border-radius: var(--radius-lg); padding: 28px 30px;
  border: 1px solid var(--border-light); box-shadow: var(--shadow-sm);
  transition: all var(--transition); display: flex; flex-direction: column;
  position: relative; overflow: hidden;
}
.news-card::before {
  content: ''; position: absolute; top: 0; left: 0; bottom: 0; width: 4px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  opacity: 0; transition: opacity var(--transition);
}
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.news-card:hover::before { opacity: 1; }
.news-meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.news-tag {
  display: inline-flex; align-items: center; padding: 4px 12px;
  border-radius: 50px; background: var(--primary-light);
  color: var(--primary); font-size: 12px; font-weight: 600;
}
.news-time { font-size: 13px; color: var(--text-muted); }
.news-title { font-size: 18px; font-weight: 700; line-height: 1.5; margin-bottom: 10px; letter-spacing: -.01em; }
.news-title a { color: var(--text); transition: color var(--transition); }
.news-title a:hover { color: var(--primary); }
.news-summary {
  color: var(--text-muted); font-size: 14px; line-height: 1.75;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; margin-bottom: 16px; flex: 1;
}
.news-link { font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.news-link:hover { gap: 10px; }
.news-empty {
  grid-column: 1 / -1; text-align: center; padding: 60px 32px;
  background: #fff; border-radius: var(--radius-lg);
  border: 1px dashed var(--border); color: var(--text-muted); font-size: 15px;
}

/* ============ 流程步骤（深色） ============ */
.steps-section { background: var(--dark); position: relative; overflow: hidden; }
.steps-section::before {
  content: ''; position: absolute; top: -120px; left: 50%; transform: translateX(-50%);
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(11,110,253,.28), transparent 70%);
  pointer-events: none;
}
.steps-section .section-title { color: #fff; }
.steps-section .section-desc { color: rgba(255,255,255,.6); }
.steps-section .section-tag { background: rgba(255,255,255,.12); color: #fff; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; z-index: 2; }
.step-card {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg); padding: 32px 26px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: all var(--transition); position: relative;
}
.step-card:hover { background: rgba(255,255,255,.1); transform: translateY(-4px); border-color: rgba(255,255,255,.2); }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 50px; height: 50px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; font-weight: 800; font-size: 20px; margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(11,110,253,.35);
}
.step-title { color: #fff; font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-desc { color: rgba(255,255,255,.62); font-size: 14px; line-height: 1.7; }
.step-arrow {
  position: absolute; right: -18px; top: 50%; transform: translateY(-50%);
  color: rgba(255,255,255,.25); font-size: 14px; z-index: 3;
}
.step-card:last-child .step-arrow { display: none; }

/* ============ 安全板块 ============ */
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.security-image { border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-lg); position: relative; min-height: 320px; }
.security-image img { width: 100%; height: 100%; object-fit: cover; }
.security-image::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top right, rgba(11,27,51,.35), transparent 50%); }
.security-content .section-tag { margin-bottom: 14px; }
.security-content h3 { font-size: 24px; font-weight: 800; margin: 14px 0 12px; letter-spacing: -.02em; line-height: 1.4; }
.security-content > p { color: var(--text-muted); font-size: 15px; line-height: 1.8; margin-bottom: 28px; }
.security-list { list-style: none; }
.security-item {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 13px 0; border-bottom: 1px solid var(--border-light);
}
.security-item:last-child { border-bottom: none; }
.security-check {
  width: 26px; height: 26px; border-radius: 9px; flex-shrink: 0;
  background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; margin-top: 3px;
}
.security-item-text strong { font-size: 15px; font-weight: 600; display: block; }
.security-item-text p { color: var(--text-muted); font-size: 14px; margin-top: 3px; line-height: 1.6; }

/* ============ FAQ ============ */
.faq-wrap { max-width: 800px; margin: 0 auto; }
.faq-item { margin-bottom: 16px; }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 28px; background: #fff; border: 1px solid var(--border-light);
  border-radius: var(--radius-md); font-weight: 600; font-size: 16px;
  color: var(--text); cursor: pointer; transition: all var(--transition);
  text-align: left; box-shadow: var(--shadow-xs);
}
.faq-question:hover { border-color: var(--primary); color: var(--primary); }
.faq-item.active .faq-question {
  border-color: var(--primary); color: var(--primary);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: var(--primary-light); box-shadow: none;
}
.faq-question i { transition: transform var(--transition); font-size: 14px; flex-shrink: 0; }
.faq-item.active .faq-question i { transform: rotate(45deg); }
.faq-answer {
  display: none; padding: 4px 28px 22px;
  background: #fff; border: 1px solid var(--border-light); border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  color: var(--text-muted); line-height: 1.85; font-size: 15px;
}
.faq-item.active .faq-answer { display: block; }

/* ============ CTA ============ */
.cta-section {
  position: relative; padding: 110px 0; overflow: hidden;
  background-size: cover; background-position: center;
}
.cta-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(11,27,51,.93) 0%, rgba(13,64,130,.8) 55%, rgba(11,110,253,.55) 100%);
}
.cta-content { position: relative; z-index: 2; text-align: center; max-width: 680px; margin: 0 auto; }
.cta-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 18px; border-radius: 50px;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.22);
  color: #fff; font-size: 13px; font-weight: 500; backdrop-filter: blur(6px);
}
.cta-title {
  color: #fff; font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800;
  margin: 20px 0 16px; letter-spacing: -.02em; line-height: 1.3;
}
.cta-desc { color: rgba(255,255,255,.8); margin-bottom: 34px; font-size: 16px; line-height: 1.8; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ============ 页脚 ============ */
.footer { background: var(--dark); color: rgba(255,255,255,.7); padding: 76px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 44px; padding-bottom: 48px; }
.footer-brand { max-width: 360px; }
.footer-brand .logo { color: #fff; margin-bottom: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.55); }
.footer-title { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,.55); font-size: 14px; transition: all var(--transition); }
.footer-links a:hover { color: #fff; padding-left: 5px; }
.footer-contact { list-style: none; }
.footer-contact li { display: flex; align-items: flex-start; gap: 12px; font-size: 14px; margin-bottom: 14px; color: rgba(255,255,255,.55); }
.footer-contact i { color: var(--accent); width: 18px; margin-top: 4px; flex-shrink: 0; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 26px 0; text-align: center;
  font-size: 13px; color: rgba(255,255,255,.4);
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .features-grid, .cats-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .step-arrow { display: none; }
  .security-grid { grid-template-columns: 1fr; gap: 40px; }
  .security-image { min-height: 260px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .nav-links { gap: 2px; }
  .nav-link { padding: 8px 12px; font-size: 14px; }
  .search-box input { width: 160px; }
  .search-box input:focus { width: 190px; }
  .stats-grid { gap: 16px; padding: 28px 20px; }
}

@media (max-width: 768px) {
  .header-inner { height: 64px; gap: 12px; }
  .menu-toggle { display: block; }
  .nav-links {
    position: fixed; top: 64px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 16px 24px; display: none;
    box-shadow: var(--shadow-lg); border-bottom: 1px solid var(--border-light);
    border-radius: 0 0 20px 20px;
  }
  .nav-links.open { display: flex; }
  .nav-link { padding: 12px 16px; font-size: 16px; border-radius: 12px; }
  .nav-link + .nav-link { margin-top: 4px; }
  .nav-cta-btn { display: none; }
  .search-box input { width: 150px; }
  .search-box input:focus { width: 180px; }
  .hero { padding: 90px 0 120px; }
  .hero-trust { gap: 20px; margin-top: 36px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); padding: 24px 20px; gap: 24px 16px; }
  .stat-item + .stat-item::before { display: none; }
  .section { padding: 72px 0; }
  .section-header { margin-bottom: 40px; }
  .news-grid { grid-template-columns: 1fr; }
  .security-list { margin-top: 0; }
  .cta-section { padding: 80px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-brand { max-width: 100%; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .hero { padding: 70px 0 100px; }
  .hero-title { margin: 20px 0 14px; }
  .hero-buttons .btn { width: 100%; }
  .features-grid, .cats-grid, .steps-grid { grid-template-columns: 1fr; }
  .stats-grid { gap: 18px 10px; }
  .search-box { display: none; }
  .header-right { gap: 8px; }
  .nav-links { top: 64px; }
  .section { padding: 60px 0; }
  .news-card { padding: 22px; }
  .faq-question { padding: 16px 18px; font-size: 15px; }
  .faq-answer { padding: 4px 18px 18px; }
  .footer { padding: 56px 0 0; }
  .footer-bottom { padding: 20px 0; }
}

/* roulang page: category1 */
*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1b5fc1;
            --primary-dark: #12438c;
            --primary-deeper: #0c2d5e;
            --primary-soft: #eaf1fb;
            --accent: #ff8a3d;
            --accent-dark: #f26a1b;
            --dark-bg: #0d1b2e;
            --text: #1a2332;
            --text-light: #6b7a8d;
            --border: #e4eaf1;
            --bg: #f5f7fa;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(13, 27, 46, 0.08);
            --shadow-lg: 0 24px 60px rgba(13, 27, 46, 0.14);
            --transition: all 0.3s ease;
            --container: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        ul {
            list-style: none;
        }
        input,
        button {
            font-family: inherit;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(27, 95, 193, 0.4);
            outline-offset: 2px;
        }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 20px rgba(27, 95, 193, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(27, 95, 193, 0.35);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 20px rgba(255, 138, 61, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 138, 61, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        /* ===== Header ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-deeper);
            white-space: nowrap;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(27, 95, 193, 0.35);
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0 auto;
        }
        .nav-link {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-soft);
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 30px;
            padding: 8px 18px;
            width: 220px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(27, 95, 193, 0.1);
        }
        .search-box i {
            color: var(--text-light);
            font-size: 14px;
        }
        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            width: 100%;
            font-size: 14px;
            color: var(--text);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: var(--primary-soft);
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 110px 0 90px;
            background: linear-gradient(135deg, var(--primary-deeper) 0%, var(--primary-dark) 50%, var(--primary) 100%);
            color: #fff;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url("/assets/images/backpic/back-1.png");
            background-size: cover;
            background-position: center;
            opacity: 0.16;
        }
        .hero::after {
            content: "";
            position: absolute;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: rgba(255, 138, 61, 0.14);
            top: -200px;
            right: -120px;
            filter: blur(70px);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 22px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            font-size: 14px;
            font-weight: 500;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            margin-bottom: 22px;
        }
        .hero-badge i {
            color: #ffd166;
        }
        .hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-stats {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: center;
            gap: 50px;
            margin-top: 60px;
            padding-top: 38px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            flex-wrap: wrap;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 32px;
            font-weight: 800;
            color: #ffd166;
        }
        .hero-stat .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            color: var(--primary);
            background: var(--primary-soft);
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 26px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(27, 95, 193, 0.25);
        }
        .card-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 20px;
            transition: var(--transition);
        }
        .card:hover .card-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }
        .card-link:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        /* ===== 流程 ===== */
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .step-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 34px 24px 28px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .step-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .step-num {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 6px 18px rgba(27, 95, 193, 0.3);
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== 图文特色 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .feature-card {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            transition: var(--transition);
            align-items: flex-start;
        }
        .feature-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
            border-color: rgba(27, 95, 193, 0.2);
        }
        .feature-img {
            width: 220px;
            height: 150px;
            object-fit: cover;
            border-radius: 12px;
            flex-shrink: 0;
        }
        .feature-body {
            flex: 1;
        }
        .feature-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
        }
        .feature-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 3px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            transition: var(--transition);
        }
        .news-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
            transform: translateX(6px);
        }
        .news-item .date {
            font-size: 13px;
            color: var(--text-light);
            white-space: nowrap;
            border-left: 3px solid var(--accent);
            padding-left: 14px;
        }
        .news-item .title {
            font-size: 16px;
            font-weight: 600;
            flex: 1;
            transition: var(--transition);
        }
        .news-item:hover .title {
            color: var(--primary);
        }
        .news-item .tag {
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 12px;
            padding: 4px 14px;
            border-radius: 20px;
            white-space: nowrap;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
        }
        .faq-item.open {
            border-color: rgba(27, 95, 193, 0.3);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            gap: 16px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text);
            transition: var(--transition);
        }
        .faq-question i {
            color: var(--primary);
            font-size: 18px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 28px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.85;
        }
        .faq-item.open .faq-answer {
            padding: 0 28px 24px;
            max-height: 320px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-deeper), var(--primary-dark) 55%, var(--primary));
            color: #fff;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url("/assets/images/backpic/back-2.png");
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            font-size: 17px;
        }
        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--dark-bg);
            color: #a8b3c0;
            padding: 70px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-brand .logo {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #a8b3c0;
            transition: var(--transition);
            font-size: 14px;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 14px;
            line-height: 1.65;
        }
        .footer-contact i {
            color: var(--accent);
            margin-top: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 28px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .search-box {
                width: 170px;
            }
        }
        @media (max-width: 992px) {
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                transform: translateY(-130%);
                transition: transform 0.35s ease;
                z-index: 99;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-link {
                padding: 12px 18px;
                border-radius: 10px;
            }
            .menu-toggle {
                display: block;
            }
            .search-box {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .header-inner {
                height: 62px;
            }
            .nav-links {
                top: 62px;
            }
            .header-actions .btn {
                display: none;
            }
            .hero {
                padding: 70px 0 60px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero p {
                font-size: 15px;
            }
            .hero-stats {
                gap: 28px;
                margin-top: 44px;
                padding-top: 28px;
            }
            .hero-stat .num {
                font-size: 24px;
            }
            .section {
                padding: 64px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .section-head {
                margin-bottom: 40px;
            }
            .card-grid,
            .steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                flex-direction: column;
                padding: 20px;
            }
            .feature-img {
                width: 100%;
                height: auto;
            }
            .news-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 18px 20px;
            }
            .news-item .title {
                flex: 1 1 100%;
                order: 2;
            }
            .news-item .date {
                order: 1;
                font-size: 12px;
            }
            .news-item .tag {
                order: 1;
                font-size: 11px;
            }
            .faq-question {
                font-size: 15px;
                padding: 18px 20px;
            }
            .faq-answer {
                font-size: 14px;
            }
            .faq-item.open .faq-answer {
                padding: 0 20px 20px;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .logo {
                font-size: 17px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .hero h1 {
                font-size: 24px;
            }
            .hero-badge {
                font-size: 12px;
                padding: 6px 16px;
            }
            .hero p {
                font-size: 14px;
            }
            .hero-btns .btn {
                width: 100%;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .card-grid,
            .steps {
                grid-template-columns: 1fr;
            }
            .footer-contact li {
                font-size: 13px;
            }
        }

/* roulang page: article */
:root {
    --primary: #1a56a0;
    --primary-dark: #0f3d7a;
    --primary-light: #3b82f6;
    --accent: #10b981;
    --accent-dark: #059669;
    --accent-light: #d1fae5;
    --dark: #0b1b2b;
    --dark-2: #12283a;
    --bg: #f5f7fb;
    --white: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
    --container: 1200px;
    --space-section: 90px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--space-section) 0; }
section { position: relative; }

/* ========== Header / Nav ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--dark);
    white-space: nowrap;
}
.logo-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 12px;
    color: #fff;
    font-size: 1rem;
    box-shadow: 0 4px 14px rgba(26, 86, 160, 0.3);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link {
    padding: 8px 18px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-light);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { width: 60%; }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after { width: 60%; }
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}
.search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 16px;
    width: 220px;
    transition: var(--transition);
}
.search-box:focus-within {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(26, 86, 160, 0.1);
}
.search-box i { color: var(--text-light); font-size: 0.85rem; }
.search-box input {
    border: none;
    outline: none;
    background: transparent;
    font-size: 0.88rem;
    color: var(--text);
    width: 100%;
}
.search-box input::placeholder { color: #a3aec0; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    line-height: 1.4;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(26, 86, 160, 0.25);
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26, 86, 160, 0.35);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}
.btn-light {
    background: #fff;
    color: var(--primary);
}
.btn-light:hover {
    background: var(--bg);
    transform: translateY(-2px);
}
.btn-outline-light {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.6);
}
.btn-outline-light:hover {
    background: rgba(255,255,255,0.15);
    border-color: #fff;
}
.btn-sm { padding: 8px 18px; font-size: 0.88rem; }
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--dark);
    font-size: 1.2rem;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.nav-toggle:hover { background: var(--border); }

/* ========== Badge / Tag ========== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 600;
}
.badge-accent {
    background: var(--accent-light);
    color: var(--accent-dark);
}
.badge-pill {
    background: var(--primary);
    color: #fff;
    padding: 4px 12px;
    font-size: 0.75rem;
    border-radius: 999px;
    font-weight: 600;
}
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.78rem;
    color: var(--text-light);
    transition: var(--transition);
}
.tag:hover {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent-dark);
}

/* ========== Article Hero ========== */
.article-hero {
    position: relative;
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding: 100px 0 90px;
    overflow: hidden;
}
.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11,27,43,0.92) 0%, rgba(15,61,122,0.78) 100%);
}
.article-hero .container { position: relative; z-index: 2; }
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 24px;
}
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 0.6rem; }
.article-hero-content {
    max-width: 840px;
    padding: 20px 0;
}
.article-hero-content .badge {
    background: rgba(16,185,129,0.22);
    color: #6ee7b7;
    margin-bottom: 18px;
    backdrop-filter: blur(4px);
}
.article-hero-content h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.35;
    margin: 16px 0 16px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
    letter-spacing: -0.02em;
}
.article-hero-desc {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.85);
    line-height: 1.8;
    margin-bottom: 18px;
    max-width: 720px;
}
.article-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: rgba(255,255,255,0.6);
    font-size: 0.88rem;
}
.article-hero-meta span { display: inline-flex; align-items: center; gap: 6px; }

/* ========== Article Layout ========== */
.article-section {
    padding: 70px 0 90px;
    background: var(--bg);
}
.article-layout {
    display: grid;
    grid-template-columns: minmax(0,1fr) 360px;
    gap: 50px;
    align-items: start;
}
.article-main {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    padding: 0;
    min-height: 400px;
}
.article-cover {
    overflow: hidden;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.article-cover img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
}
.article-body {
    padding: 40px 48px 48px;
}
.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
    color: var(--dark);
    font-weight: 700;
    line-height: 1.4;
    margin: 2rem 0 1rem;
}
.article-content h2 {
    font-size: 1.6rem;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border);
}
.article-content h3 { font-size: 1.3rem; }
.article-content h4 { font-size: 1.1rem; }
.article-content p {
    margin: 1rem 0;
    line-height: 1.9;
    font-size: 1rem;
    color: var(--text);
}
.article-content a {
    color: var(--primary);
    border-bottom: 1px solid rgba(26,86,160,0.3);
}
.article-content a:hover { border-color: var(--primary); }
.article-content img {
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
    box-shadow: var(--shadow-md);
    width: 100%;
    object-fit: cover;
}
.article-content ul,
.article-content ol {
    margin: 1.2rem 0;
    padding-left: 1.6rem;
}
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li {
    margin: 0.5rem 0;
    line-height: 1.8;
    color: var(--text);
}
.article-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--bg);
    padding: 1.2rem 1.5rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 1.5rem 0;
    color: var(--text-light);
    font-style: italic;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.article-content th,
.article-content td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}
.article-content th {
    background: var(--bg);
    font-weight: 600;
    color: var(--dark);
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 34px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.article-footer-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    font-size: 0.9rem;
}
.article-footer-nav a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-light);
    max-width: 45%;
}
.article-footer-nav a:hover { color: var(--primary); }

/* 文章未找到 */
.article-not-found {
    text-align: center;
    padding: 80px 40px;
}
.not-found-icon {
    font-size: 3.5rem;
    color: var(--border);
    margin-bottom: 20px;
}
.article-not-found h2 {
    font-size: 1.8rem;
    color: var(--dark);
    margin-bottom: 12px;
}
.article-not-found p {
    color: var(--text-light);
    margin-bottom: 28px;
    font-size: 1rem;
}

/* ========== Sidebar ========== */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 92px;
}
.sidebar-card {
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 28px;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.sidebar-card:hover { box-shadow: var(--shadow-md); }
.sidebar-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-title i { color: var(--primary); }
.sidebar-categories li { margin-bottom: 10px; }
.sidebar-categories a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    font-size: 0.92rem;
    font-weight: 500;
}
.sidebar-categories a i:first-child { color: var(--primary); width: 18px; text-align: center; }
.sidebar-categories .arrow {
    margin-left: auto;
    font-size: 0.7rem;
    color: var(--text-light);
    transition: var(--transition);
}
.sidebar-categories a:hover {
    background: var(--accent-light);
    color: var(--accent-dark);
    transform: translateX(4px);
}
.sidebar-categories a:hover .arrow { color: var(--accent-dark); }
.sidebar-posts li { margin-bottom: 12px; }
.sidebar-posts a {
    display: block;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    background: var(--bg);
    transition: var(--transition);
}
.sidebar-posts a:hover {
    background: var(--primary);
    transform: translateX(4px);
}
.post-item { display: flex; flex-direction: column; gap: 4px; }
.post-cat {
    font-size: 0.72rem;
    color: var(--primary);
    font-weight: 600;
}
.sidebar-posts a:hover .post-cat { color: #bfdbfe; }
.post-title {
    font-size: 0.85rem;
    color: var(--text);
    line-height: 1.5;
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sidebar-posts a:hover .post-title { color: #fff; }
.empty-tip {
    color: var(--text-light);
    font-size: 0.9rem;
    padding: 12px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    text-align: center;
}
.sidebar-security {
    background: linear-gradient(135deg, #0b1b2b 0%, #1a56a0 100%);
    border: none;
    color: #fff;
}
.sidebar-security .sidebar-title { color: #fff; }
.sidebar-security .sidebar-title i { color: #6ee7b7; }
.security-tip {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.security-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(16,185,129,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6ee7b7;
    font-size: 0.9rem;
    flex-shrink: 0;
}
.security-tip p {
    color: rgba(255,255,255,0.85);
    font-size: 0.88rem;
    line-height: 1.7;
}

/* ========== Section Header ========== */
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 16px;
    padding: 6px 16px;
    background: rgba(26,86,160,0.08);
    border-radius: 999px;
}
.section-tag-light {
    background: rgba(255,255,255,0.15);
    color: #fff;
}
.section-header h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
}
.section-header p {
    color: var(--text-light);
    font-size: 1.02rem;
    line-height: 1.8;
}

/* ========== Category Entry ========== */
.category-entry { background: var(--white); }
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.category-card {
    display: block;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 36px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: var(--transition);
}
.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
    background: #fff;
}
.category-card:hover::before { opacity: 1; }
.category-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 20px;
    box-shadow: 0 6px 18px rgba(26,86,160,0.25);
}
.category-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}
.category-card p {
    color: var(--text-light);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 18px;
}
.category-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
}
.category-link i { transition: transform 0.3s ease; }
.category-card:hover .category-link i { transform: translateX(4px); }

/* ========== Security Guide ========== */
.security-guide {
    background: url('/assets/images/backpic/back-3.png') center/cover fixed no-repeat;
    padding: var(--space-section) 0;
    position: relative;
}
.security-guide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(11,27,43,0.95) 0%, rgba(15,61,122,0.88) 100%);
}
.security-guide .container { position: relative; z-index: 2; }
.security-guide-inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}
.security-content .section-tag { color: #6ee7b7; background: rgba(255,255,255,0.1); }
.security-content h2 {
    font-size: clamp(1.6rem, 3vw, 2.3rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.35;
    margin-bottom: 16px;
}
.security-content > p {
    color: rgba(255,255,255,0.75);
    font-size: 1.02rem;
    line-height: 1.8;
    margin-bottom: 28px;
}
.security-list { display: flex; flex-direction: column; gap: 16px; }
.security-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.9);
    font-size: 0.95rem;
}
.security-list i {
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: rgba(16,185,129,0.25);
    color: #6ee7b7;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
}
.security-visual img {
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    border: 2px solid rgba(255,255,255,0.1);
    width: 100%;
    max-height: 420px;
    object-fit: cover;
}

/* ========== CTA ========== */
.cta-section {
    padding: 70px 0;
    background: var(--white);
}
.cta-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: 60px 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}
.cta-box::before {
    content: '';
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    top: -100px;
    right: -80px;
}
.cta-box::after {
    content: '';
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    bottom: -60px;
    left: 20%;
}
.cta-content h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 10px;
}
.cta-content p {
    color: rgba(255,255,255,0.8);
    font-size: 1rem;
}
.cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

/* ========== FAQ ========== */
.faq-section { background: var(--bg); }
.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 26px 32px;
    transition: var(--transition);
}
.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(26,86,160,0.2);
    transform: translateY(-2px);
}
.faq-item h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.faq-item h3 i { color: var(--primary); }
.faq-item p {
    color: var(--text-light);
    font-size: 0.93rem;
    line-height: 1.8;
    padding-left: 28px;
}

/* ========== Footer ========== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 70px 0 0;
    border-top: 4px solid var(--primary);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 44px;
    padding-bottom: 50px;
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-top: 14px;
}
.footer-title {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}
.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}
.footer-links li { margin-bottom: 12px; }
.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    transition: var(--transition);
}
.footer-links a:hover {
    color: #fff;
    padding-left: 6px;
}
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.6);
}
.footer-contact i {
    color: var(--accent);
    margin-top: 3px;
    width: 16px;
    text-align: center;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    :root { --space-section: 70px; }
    .header-actions .search-box { width: 160px; }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
    .article-layout {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .article-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
    }
    .sidebar-card {
        flex: 1 1 260px;
    }
    .security-guide-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .security-visual img {
        max-height: 300px;
    }
    .cta-box {
        padding: 44px 36px;
    }
}
@media (max-width: 768px) {
    :root { --space-section: 60px; }
    .header-inner { height: 64px; }
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 16px 24px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border);
        gap: 4px;
        max-height: 360px;
        overflow-y: auto;
    }
    .nav-links.open { display: flex; }
    .nav-link { width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); }
    .nav-link:hover { background: var(--bg); }
    .nav-toggle { display: flex; }
    .header-actions .search-box { display: none; }
    .category-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
    .article-body { padding: 28px 24px; }
    .article-hero { padding: 70px 0 60px; }
    .cta-box { flex-direction: column; text-align: center; }
    .cta-actions { justify-content: center; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 520px) {
    :root { --space-section: 50px; }
    .header-inner { gap: 12px; }
    .header-actions .btn-sm { padding: 8px 14px; font-size: 0.82rem; }
    .btn { padding: 10px 22px; font-size: 0.88rem; }
    .article-body { padding: 22px 18px; }
    .article-tags { gap: 6px; }
    .footer-grid { grid-template-columns: 1fr; }
    .cta-box { padding: 32px 24px; }
    .cta-content h2 { font-size: 1.4rem; }
    .faq-item { padding: 20px 18px; }
    .sidebar-card { padding: 20px; }
}

/* roulang page: category3 */
:root{
  --primary:#1a5cff;
  --primary-dark:#0e3fc7;
  --primary-light:#eaf0ff;
  --accent:#00c9a7;
  --accent-dark:#00a387;
  --accent-light:#e2fbf4;
  --ink:#152238;
  --ink-2:#3f506e;
  --ink-3:#7b8aa5;
  --bg:#f5f7fb;
  --white:#ffffff;
  --line:#e6eaf2;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 40px rgba(21,34,56,.08);
  --shadow-hover:0 18px 50px rgba(21,34,56,.14);
  --header-h:76px;
  --font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-family);background:var(--bg);color:var(--ink);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit;border:0;outline:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 28px}
.section{padding:90px 0}
.section-head{max-width:680px;margin-bottom:48px}
.section-tag{display:inline-flex;align-items:center;gap:8px;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:700;padding:6px 16px;border-radius:999px;letter-spacing:.05em;margin-bottom:14px}
.section-tag i{font-size:12px}
.section-title{font-size:36px;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.section-sub{font-size:16.5px;color:var(--ink-3);margin-top:14px;line-height:1.8}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 32px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 24px rgba(26,92,255,.24)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 32px rgba(14,63,199,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 14px rgba(14,63,199,.24)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#06231d;box-shadow:0 8px 24px rgba(0,201,167,.25)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,163,135,.3)}
.btn-accent:active{transform:translateY(0)}
.btn:focus-visible,.nav-link:focus-visible,.footer-links a:focus-visible,.faq-q:focus-visible{outline:3px solid rgba(26,92,255,.35);outline-offset:3px}

/* Header */
.header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:rgba(255,255,255,.86);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid rgba(230,234,242,.8);z-index:1000;transition:box-shadow .3s}
.header.scrolled{box-shadow:0 6px 30px rgba(21,34,56,.08)}
.header-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink);letter-spacing:-.01em;flex-shrink:0}
.logo-icon{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--primary),#3d8bff);color:#fff;font-size:17px;box-shadow:0 6px 16px rgba(26,92,255,.32);transition:transform .3s}
.logo:hover .logo-icon{transform:rotate(-8deg) scale(1.05)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{display:flex;align-items:center;gap:7px;padding:9px 18px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink-2);transition:all .25s ease;position:relative}
.nav-link i{font-size:13px;opacity:.65;transition:opacity .25s}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link.active{color:var(--primary);background:var(--primary-light)}
.nav-link.active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--primary)}
.header-right{display:flex;align-items:center;gap:14px}
.command-search{display:flex;align-items:center;gap:10px;background:var(--bg);border:1.5px solid var(--line);border-radius:999px;padding:9px 18px;font-size:13.5px;color:var(--ink-3);transition:all .3s;cursor:pointer;min-width:170px}
.command-search i{color:var(--primary);font-size:13px}
.command-search .kbd{font-size:11px;background:#fff;border:1px solid var(--line);border-radius:5px;padding:1px 6px;color:var(--ink-3);margin-left:6px}
.command-search:hover{border-color:var(--primary);background:#fff;box-shadow:0 4px 14px rgba(21,34,56,.06)}
.header-cta{padding:10px 24px;font-size:14px}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;background:var(--bg);border:1.5px solid var(--line);color:var(--ink);font-size:17px;cursor:pointer;align-items:center;justify-content:center;transition:all .3s}
.menu-toggle:hover{border-color:var(--primary);color:var(--primary)}

/* Hero */
.hero{position:relative;padding:calc(var(--header-h) + 70px) 0 80px;background:linear-gradient(180deg,#eef3ff 0%,var(--bg) 100%);overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.08;pointer-events:none}
.hero-inner{position:relative;max-width:860px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.85);border:1px solid var(--line);box-shadow:0 4px 16px rgba(21,34,56,.06);border-radius:999px;padding:7px 18px;font-size:13px;font-weight:600;color:var(--primary);margin-bottom:24px;backdrop-filter:blur(8px)}
.hero-badge i{color:var(--accent)}
.hero h1{font-size:44px;line-height:1.22;font-weight:800;letter-spacing:-.02em;color:var(--ink);margin-bottom:18px}
.hero h1 span{position:relative;color:var(--primary);background:linear-gradient(120deg,var(--primary),#3d8bff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:17.5px;color:var(--ink-2);line-height:1.85;max-width:640px;margin-bottom:34px}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.hero-meta{display:flex;align-items:center;gap:22px;margin-top:36px;flex-wrap:wrap;color:var(--ink-3);font-size:14px}
.hero-meta i{color:var(--primary);margin-right:4px}
.hero-panel{position:relative;max-width:900px;margin:56px auto 0;background:rgba(255,255,255,.75);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.9);border-radius:24px;padding:40px 44px;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;gap:36px;overflow:hidden}
.hero-panel::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.hero-panel-title{font-size:18px;font-weight:700;margin-bottom:16px;color:var(--ink);display:flex;align-items:center;gap:10px}
.hero-panel-title i{color:var(--primary)}
.hero-panel ul{display:flex;flex-direction:column;gap:12px}
.hero-panel li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.65;padding-left:2px}
.hero-panel li i{color:var(--accent);font-size:14px;margin-top:4px;flex-shrink:0}
.hero-panel-a{position:relative}
.hero-side-tip{margin-top:24px;background:var(--accent-light);border-radius:14px;padding:16px 18px;font-size:13.5px;color:#0a6e5a;line-height:1.7}
.hero-side-tip i{margin-right:6px}

/* Faith blocks */
.faith-grid{display:grid;grid-template-columns:1.1fr 1.4fr;gap:40px;align-items:center}
.faith-copy .section-title{font-size:32px;margin-bottom:20px}
.faith-copy p{color:var(--ink-2);font-size:15.5px;margin-bottom:16px}
.faith-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.faith-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 18px;transition:all .3s}
.faith-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.faith-item i{width:36px;height:36px;border-radius:10px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:15px;margin-bottom:12px}
.faith-item h4{font-size:15px;font-weight:700;margin-bottom:6px;color:var(--ink)}
.faith-item p{font-size:13.5px;color:var(--ink-3);line-height:1.6;margin:0}
.faith-img{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.faith-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(15,29,51,.45))}
.faith-img img{width:100%;height:420px;object-fit:cover}
.faith-img-caption{position:absolute;bottom:22px;left:24px;right:24px;z-index:2;color:#fff;font-size:13.5px;line-height:1.6;display:flex;gap:10px;align-items:center}
.faith-img-caption i{color:var(--accent)}

/* Risk cards */
.risk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.risk-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;position:relative;transition:all .35s;overflow:hidden}
.risk-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--primary),transparent);opacity:0;transition:opacity .35s}
.risk-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.risk-card:hover::before{opacity:1}
.risk-num{font-size:13px;font-weight:800;color:var(--primary);background:var(--primary-light);display:inline-flex;padding:4px 12px;border-radius:999px;margin-bottom:18px;letter-spacing:.06em}
.risk-card h3{font-size:18px;font-weight:700;margin-bottom:12px;color:var(--ink)}
.risk-card p{font-size:14.5px;color:var(--ink-2);line-height:1.7;margin-bottom:16px}
.risk-card ul{display:flex;flex-direction:column;gap:8px}
.risk-card li{font-size:13.5px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start;line-height:1.6}
.risk-card li i{color:var(--accent);margin-top:3px;font-size:12px;flex-shrink:0}

/* Steps */
.steps-section{background:linear-gradient(180deg,var(--white) 0%,var(--bg) 100%)}
.steps-wrap{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.steps-wrap::before{content:'';position:absolute;top:39px;left:10%;right:10%;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);z-index:0}
.step-item{position:relative;z-index:1;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:22px 18px;text-align:center;transition:all .3s;box-shadow:0 2px 10px rgba(21,34,56,.03)}
.step-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(26,92,255,.2)}
.step-ico{width:48px;height:48px;margin:0 auto 14px;border-radius:14px;background:linear-gradient(135deg,var(--primary),#3d8bff);color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;box-shadow:0 8px 20px rgba(26,92,255,.28)}
.step-item h4{font-size:15px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.step-item p{font-size:12.5px;color:var(--ink-3);line-height:1.6;margin:0}

/* Security checklist */
.check-sec{background:var(--ink);background-image:linear-gradient(135deg,#0f1d33 0%,#182a4a 100%);color:#fff;position:relative;overflow:hidden}
.check-sec::before{content:'';position:absolute;top:-60px;right:-60px;width:260px;height:260px;border-radius:50%;background:rgba(26,92,255,.25);filter:blur(60px)}
.check-sec::after{content:'';position:absolute;bottom:-40px;left:20%;width:200px;height:200px;border-radius:50%;background:rgba(0,201,167,.16);filter:blur(80px)}
.check-sec .section-tag{background:rgba(26,92,255,.2);color:#96b4ff}
.check-sec .section-title{color:#fff}
.check-sec .section-sub{color:#a8b7d0}
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.check-card{background:rgba(255,255,255,.06);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);padding:22px 22px;display:flex;gap:14px;align-items:flex-start;transition:all .3s}
.check-card:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.check-icon{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:rgba(0,201,167,.2);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:15px}
.check-card h4{font-size:15px;font-weight:700;margin-bottom:6px;color:#fff}
.check-card p{font-size:13.5px;color:#a8b7d0;line-height:1.65;margin:0}

/* FAQ */
.faq-wrapper{max-width:840px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:all .3s}
.faq-item:hover{border-color:rgba(26,92,255,.25);box-shadow:0 6px 20px rgba(21,34,56,.05)}
.faq-q{width:100%;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;background:none;cursor:pointer;font-size:15.5px;font-weight:600;color:var(--ink);text-align:left;transition:color .3s}
.faq-q i{color:var(--primary);font-size:15px;transition:transform .4s;flex-shrink:0}
.faq-q[aria-expanded="true"] i{transform:rotate(180deg)}
.faq-q[aria-expanded="true"]{color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s ease}
.faq-a-inner{padding:0 24px 22px;font-size:14.5px;color:var(--ink-2);line-height:1.8;border-top:1px dashed var(--line);padding-top:16px;margin-top:2px}
.faq-more{text-align:center;margin-top:30px}

/* CTA */
.cta-section{position:relative;padding:0 0 90px}
.cta-box{position:relative;border-radius:28px;overflow:hidden;background:linear-gradient(135deg,var(--primary) 0%,#3d8bff 100%);padding:64px 50px;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-box::before{content:'';position:absolute;top:-40px;right:10%;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.12);filter:blur(30px)}
.cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.1}
.cta-box>*{position:relative;z-index:2}
.cta-title{font-size:28px;font-weight:800;color:#fff;line-height:1.4;margin-bottom:10px}
.cta-desc{color:rgba(255,255,255,.86);font-size:15.5px;max-width:560px;line-height:1.8}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--primary);box-shadow:0 8px 24px rgba(0,0,0,.12)}
.btn-white:hover{background:#f0f4ff;transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.18)}
.btn-white:active{transform:translateY(0)}

/* Footer */
.footer{background:#0f1d33;color:#a8b7d0;padding:70px 0 30px;position:relative;overflow:hidden}
.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(26,92,255,.6),transparent)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:52px}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.8;color:#8b9bb9;max-width:320px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:20px;letter-spacing:.04em}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:#8b9bb9;transition:all .3s;display:inline-flex;align-items:center;gap:8px}
.footer-links a::before{content:'›';color:var(--primary);opacity:0;transform:translateX(-4px);transition:all .3s}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-links a:hover::before{opacity:1;transform:translateX(0)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;line-height:1.7;color:#8b9bb9}
.footer-contact li i{color:var(--accent);margin-top:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:26px;text-align:center;font-size:13px;color:#6b7c9d}
.footer-bottom a{color:#8b9bb9;transition:color .3s}
.footer-bottom a:hover{color:#fff}

/* Mobile nav */
@media(max-width:1024px){
  .section{padding:70px 0}
  .hero{padding-top:calc(var(--header-h) + 40px)}
  .nav-links{position:fixed;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:18px 22px;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(21,34,56,.1);gap:4px;display:none;z-index:999}
  .nav-links.open{display:flex}
  .nav-link{padding:13px 16px;border-radius:10px;font-size:15px}
  .nav-link.active{background:var(--primary-light)}
  .nav-link.active::after{display:none}
  .menu-toggle{display:flex}
  .command-search{min-width:0;flex:1;max-width:200px}
  .faith-grid{grid-template-columns:1fr;gap:30px}
  .faith-img img{height:320px}
  .risk-grid{grid-template-columns:repeat(2,1fr)}
  .steps-wrap{grid-template-columns:repeat(3,1fr);gap:16px}
  .steps-wrap::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .hero-panel{grid-template-columns:1fr;padding:30px}
  .hero-panel-b{border-top:1px dashed var(--line);padding-top:24px}
  .cta-box{padding:48px 36px}
}
@media(max-width:768px){
  .container{padding:0 20px}
  .section{padding:55px 0}
  .hero{padding-top:calc(var(--header-h) + 30px)}
  .hero h1{font-size:32px}
  .hero-desc{font-size:16px}
  .section-title{font-size:28px}
  .risk-grid{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .faith-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-brand p{max-width:100%}
  .cta-box{flex-direction:column;align-items:flex-start;padding:40px 28px}
  .cta-title{font-size:24px}
  .hero-actions .btn{width:100%}
  .steps-wrap{grid-template-columns:1fr 1fr}
  .header-cta{display:none}
  .command-search .kbd{display:none}
  .command-search{width:42px;min-width:42px;padding:0;justify-content:center;border-radius:12px;height:42px;background:var(--bg)}
  .command-search span{display:none}
}
@media(max-width:520px){
  .hero h1{font-size:27px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .steps-wrap{grid-template-columns:1fr}
  .hero-panel{padding:24px 20px}
  .hero-panel-title{font-size:16px}
  .faith-img img{height:240px}
  .check-card{flex-direction:column;gap:10px}
  .cta-box{padding:36px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer{padding:56px 0 24px}
  .hero-meta{gap:10px;flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --primary:#0b2545;
  --primary-light:#13315c;
  --accent:#d4a853;
  --accent-light:#e8c97a;
  --accent-dark:#b8892e;
  --bg:#f6f8fb;
  --bg-white:#ffffff;
  --bg-dark:#0a1e35;
  --text:#1a2b3c;
  --text-light:#5a6e82;
  --text-mute:#8a9aa8;
  --border:#e2e8f0;
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow:0 10px 30px rgba(11,37,69,.08);
  --shadow-lg:0 20px 50px rgba(11,37,69,.14);
  --transition:all .3s ease;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input{font:inherit;border:none;outline:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ===== Header ===== */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);box-shadow:0 2px 12px rgba(11,37,69,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--primary);white-space:nowrap}
.logo-icon{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;box-shadow:0 4px 12px rgba(11,37,69,.2)}
.logo:hover .logo-icon{transform:scale(1.05)}
.nav-links{display:flex;gap:4px;flex:1;justify-content:center}
.nav-link{padding:8px 18px;border-radius:20px;font-size:14px;font-weight:500;color:var(--text-light);transition:var(--transition);white-space:nowrap}
.nav-link:hover{background:var(--bg);color:var(--primary)}
.nav-link.active{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(11,37,69,.2)}
.header-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--border);border-radius:24px;padding:8px 16px;transition:var(--transition)}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(212,168,83,.15)}
.search-box input{background:transparent;border:none;outline:none;font-size:13px;width:110px;color:var(--text)}
.search-box input::placeholder{color:var(--text-mute)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 24px;border-radius:24px;font-size:14px;font-weight:600;transition:var(--transition);cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--accent);color:var(--primary)}
.btn-primary:hover{background:var(--accent-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(212,168,83,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 4px 16px rgba(0,0,0,.12)}
.btn-light:hover{background:var(--bg);transform:translateY(-2px)}
.btn-lg{padding:14px 34px;font-size:15px;border-radius:28px}
.header-cta{padding:8px 22px;border-radius:20px;font-size:13px}
.nav-toggle{display:none;background:none;border:none;font-size:22px;color:var(--primary);cursor:pointer;padding:6px}

/* ===== Page Hero ===== */
.page-hero{position:relative;padding:100px 0 110px;background:linear-gradient(135deg,var(--bg-dark) 0%,var(--primary-light) 60%,#1d4a76 100%);color:#fff;text-align:center;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.28;mix-blend-mode:overlay}
.page-hero::after{content:'';position:absolute;bottom:-40px;left:50%;transform:translateX(-50%);width:90%;height:60px;background:radial-gradient(ellipse,rgba(255,255,255,.12),transparent 70%);border-radius:50%}
.page-hero .container{position:relative;z-index:2}
.crumbs{display:flex;justify-content:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:24px}
.crumbs a{color:rgba(255,255,255,.85)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.5}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(212,168,83,.18);border:1px solid rgba(212,168,83,.35);color:#f0d9a8;padding:6px 18px;border-radius:24px;font-size:13px;font-weight:600;margin-bottom:20px}
.page-hero h1{font-size:46px;font-weight:800;line-height:1.2;letter-spacing:-.5px;margin-bottom:20px}
.page-hero h1 span{color:var(--accent)}
.page-hero .lead{font-size:17px;color:rgba(255,255,255,.82);max-width:680px;margin:0 auto 36px;line-height:1.8}
.hero-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ===== Section base ===== */
.section{padding:96px 0}
.section-alt{background:var(--bg-white)}
.section-header{text-align:center;margin-bottom:48px}
.section-tag{display:inline-block;background:rgba(212,168,83,.13);color:var(--accent-dark);padding:5px 18px;border-radius:24px;font-size:13px;font-weight:700;letter-spacing:.5px;margin-bottom:14px}
.section-title{font-size:32px;font-weight:800;color:var(--primary);line-height:1.25;margin-bottom:14px}
.section-desc{color:var(--text-light);max-width:660px;margin:0 auto;font-size:15px}

/* ===== Methods Cards ===== */
.methods-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.method-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);padding:36px 30px;position:relative;box-shadow:var(--shadow);transition:var(--transition);overflow:hidden}
.method-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-light));opacity:0;transition:var(--transition)}
.method-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.method-card:hover::before{opacity:1}
.method-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:20px;box-shadow:0 6px 16px rgba(11,37,69,.22)}
.method-card h3{font-size:19px;font-weight:700;color:var(--primary);margin-bottom:10px}
.method-card p{font-size:14px;color:var(--text-light);line-height:1.7}
.method-tags{display:flex;gap:8px;margin-top:16px}
.tag{display:inline-block;padding:3px 12px;border-radius:16px;font-size:12px;font-weight:600;background:rgba(212,168,83,.13);color:var(--accent-dark)}
.tag-blue{background:rgba(11,37,69,.08);color:var(--primary)}
.tag-green{background:rgba(46,160,105,.12);color:#1f8a55}

/* ===== Steps ===== */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step-item{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;position:relative;transition:var(--transition);box-shadow:var(--shadow)}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(212,168,83,.4)}
.step-num{font-size:48px;font-weight:800;color:var(--primary);opacity:.1;position:absolute;top:14px;right:22px;line-height:1}
.step-ico{width:44px;height:44px;border-radius:12px;background:rgba(212,168,83,.15);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px}
.step-item h3{font-size:16px;font-weight:700;color:var(--primary);margin-bottom:8px}
.step-item p{font-size:13px;color:var(--text-light);line-height:1.7}

/* ===== Login Guide ===== */
.login-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.login-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.login-visual img{width:100%;height:100%;object-fit:cover;min-height:380px}
.login-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,37,69,.18),rgba(11,37,69,.02))}
.login-content h2{font-size:28px;font-weight:800;color:var(--primary);margin-bottom:16px;line-height:1.3}
.login-content p{font-size:15px;color:var(--text-light);line-height:1.8;margin-bottom:24px}
.login-points{display:flex;flex-direction:column;gap:14px;margin-bottom:32px}
.login-point{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:var(--text);line-height:1.6}
.login-point i{color:var(--accent);font-size:15px;margin-top:2px}

/* ===== Account Points ===== */
.account-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.account-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius);padding:30px 24px;text-align:center;transition:var(--transition);box-shadow:var(--shadow)}
.account-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.account-card .acc-ico{width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;margin:0 auto 16px}
.account-card h3{font-size:15px;font-weight:700;color:var(--primary);margin-bottom:8px}
.account-card p{font-size:13px;color:var(--text-light);line-height:1.65}

/* ===== FAQ ===== */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:14px;box-shadow:var(--shadow);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:rgba(212,168,83,.35)}
.faq-q{width:100%;background:none;padding:22px 28px;font-size:16px;font-weight:600;color:var(--primary);cursor:pointer;display:flex;justify-content:space-between;align-items:center;text-align:left;transition:var(--transition)}
.faq-q i{color:var(--accent);transition:transform .3s;font-size:14px}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 28px 22px;font-size:14px;color:var(--text-light);line-height:1.8}

/* ===== CTA ===== */
.cta-section{position:relative;padding:100px 0;background:linear-gradient(135deg,var(--bg-dark) 0%,var(--primary-light) 100%);color:#fff;text-align:center;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.22;mix-blend-mode:overlay}
.cta-section .container{position:relative;z-index:2}
.cta-section h2{font-size:34px;font-weight:800;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,.8);max-width:560px;margin:0 auto 36px;font-size:15px;line-height:1.8}
.cta-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ===== Footer ===== */
.footer{background:var(--bg-dark);color:rgba(255,255,255,.75);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:46px}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand .logo-icon{background:var(--accent);color:var(--primary)}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);margin-top:14px;max-width:300px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-title::after{content:'';position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent);border-radius:2px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13px;color:rgba(255,255,255,.65);transition:var(--transition)}
.footer-links a:hover{color:var(--accent);padding-left:4px}
.footer-contact li{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:12px;display:flex;align-items:flex-start;gap:10px;line-height:1.6}
.footer-contact i{color:var(--accent);margin-top:3px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.45)}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .page-hero h1{font-size:38px}
  .methods-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .account-grid{grid-template-columns:repeat(2,1fr)}
  .login-wrap{grid-template-columns:1fr;gap:40px}
  .search-box input{width:80px}
}
@media(max-width:768px){
  .header-inner{height:64px;gap:10px}
  .nav-links{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 24px;gap:4px;box-shadow:0 20px 40px rgba(11,37,69,.12);transform:translateY(-130%);opacity:0;pointer-events:none;transition:var(--transition);z-index:99;border-bottom:1px solid var(--border)}
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{display:block;padding:12px 16px;border-radius:12px}
  .nav-toggle{display:block}
  .search-box{display:none}
  .header-cta{display:none}
  .page-hero{padding:70px 0 80px}
  .page-hero h1{font-size:30px}
  .page-hero .lead{font-size:15px}
  .section{padding:60px 0}
  .section-title{font-size:26px}
  .methods-grid,.steps-grid,.account-grid{grid-template-columns:1fr}
  .login-visual img{min-height:280px}
  .cta-section h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .hero-buttons .btn{width:100%}
  .cta-buttons .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .page-hero h1{font-size:26px}
  .crumbs{font-size:12px}
}