/* roulang page: index */
:root {
  --color-primary: #2E6BFF;
  --color-primary-dark: #1E4FD0;
  --color-primary-light: #5E96FF;
  --color-accent: #22D3EE;
  --color-bg: #0A0F1E;
  --color-surface: #0D1428;
  --color-card: rgba(255, 255, 255, 0.04);
  --color-border: rgba(120, 180, 255, 0.16);
  --color-text: #F0F4FF;
  --color-body: #C7D2E8;
  --color-muted: #8899B5;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-badge: 999px;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(120, 180, 255, 0.08);
  --shadow-glow: 0 0 24px rgba(46, 107, 255, 0.30);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background-color: #0A0F1E;
  background-image:
    radial-gradient(circle at 25% 20%, rgba(46, 107, 255, 0.12), transparent 36%),
    radial-gradient(circle at 80% 75%, rgba(34, 211, 238, 0.08), transparent 30%),
    linear-gradient(rgba(120, 180, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 180, 255, 0.025) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 44px 44px, 44px 44px;
  color: #C7D2E8;
  font-family: 'PingFang SC', 'Microsoft YaHei', 'HarmonyOS Sans SC', 'sans-serif', sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; }

/* 左侧导航 */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 236px;
  background: rgba(255, 255, 255, 0.02);
  border-right: 1px solid rgba(120, 180, 255, 0.10);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  z-index: 50;
}
.sidebar-inner { padding: 32px 20px 24px; display: flex; flex-direction: column; height: 100%; }
.brand-logo { display: flex; flex-direction: column; padding: 0 8px 28px; border-bottom: 1px solid rgba(120,180,255,0.10); }
.brand-main { font-size: 32px; font-weight: 800; color: #2E6BFF; letter-spacing: -0.5px; line-height: 1.1; }
.brand-sub { font-size: 15px; color: #8899B5; margin-top: 4px; letter-spacing: 2px; }
.side-nav { flex: 1; padding-top: 24px; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  height: 46px; padding: 0 14px; margin-bottom: 4px;
  border-radius: 10px; font-size: 14px; color: #8899B5;
  transition: all 0.2s ease; position: relative; font-weight: 500;
}
.nav-item svg { width: 18px; height: 18px; stroke: currentColor; flex-shrink: 0; }
.nav-item:hover { background: rgba(46, 107, 255, 0.08); color: #C7D2E8; }
.nav-item.active { background: rgba(46, 107, 255, 0.10); color: #5E96FF; }
.nav-item.active::before {
  content: ''; position: absolute; left: -20px; top: 10px; bottom: 10px; width: 3px;
  background: #2E6BFF; border-radius: 0 4px 4px 0;
}
.mini-contact {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(120, 180, 255, 0.08);
  border-radius: 12px; padding: 14px 16px; margin-top: 20px;
  display: flex; flex-direction: column; gap: 2px;
}
.mini-contact svg { width: 16px; height: 16px; color: #5E96FF; margin-bottom: 6px; }
.mini-contact span { font-size: 12px; color: #8899B5; }

/* 移动端导航 */
.mobile-header {
  position: sticky; top: 0; z-index: 60;
  height: 60px; background: rgba(10, 15, 30, 0.92);
  backdrop-filter: blur(20px); border-bottom: 1px solid rgba(120, 180, 255, 0.12);
  display: none; align-items: center; justify-content: space-between; padding: 0 20px;
}
.mobile-brand { font-size: 18px; font-weight: 700; color: #F0F4FF; }
.mobile-brand b { color: #2E6BFF; }
.hamburger { background: none; border: 1px solid rgba(120,180,255,0.2); border-radius: 8px; padding: 8px; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.mobile-menu { display: none; position: absolute; top: 60px; left: 0; right: 0; z-index: 55; background: rgba(10,15,30,0.95); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(120,180,255,0.12); padding: 12px 20px 20px; }
.mobile-menu.open { display: block; }
.mobile-menu a { display: block; padding: 13px 8px; border-radius: 8px; font-size: 15px; color: #C7D2E8; border-bottom: 1px solid rgba(120,180,255,0.06); }
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active { color: #5E96FF; background: rgba(46,107,255,0.08); }

/* 主内容 */
.main-wrapper { margin-left: 236px; }
.main-content { max-width: 1280px; margin: 0 auto; padding: 0 40px; }
.hero-section { position: relative; padding: 92px 0 72px; }
.hero-bg { position: absolute; inset: 0; border-radius: 20px; overflow: hidden; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.50; }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(105deg, rgba(10,15,30,0.85) 30%, rgba(10,15,30,0.45) 65%, rgba(13,20,40,0.70) 100%); }
.hero-inner { position: relative; z-index: 1; padding: 48px 32px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(46,107,255,0.14); border: 1px solid rgba(120,180,255,0.25);
  color: #93B4FF; font-size: 13px; padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero-title { font-size: 46px; font-weight: 800; color: #F0F4FF; line-height: 1.18; letter-spacing: -0.5px; max-width: 620px; }
.hero-title .gradient-text { background: linear-gradient(135deg, #5E96FF, #22D3EE); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-desc { font-size: 16px; color: #C7D2E8; margin-top: 22px; max-width: 560px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(135deg, #2E6BFF, #22D3EE);
  color: #fff; font-size: 15px; font-weight: 600;
  padding: 13px 30px; border-radius: 10px; border: none; cursor: pointer;
  box-shadow: 0 0 20px rgba(46,107,255,0.35), inset 0 1px 0 rgba(255,255,255,0.2);
  transition: all 0.25s ease;
}
.btn-primary:hover { box-shadow: 0 0 32px rgba(46,107,255,0.5), inset 0 1px 0 rgba(255,255,255,0.25); filter: brightness(1.08); }
.btn-primary:active { transform: translateY(1px); box-shadow: 0 0 12px rgba(46,107,255,0.25); }
.btn-secondary {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent; color: #C7D2E8; font-size: 15px; font-weight: 500;
  padding: 12px 28px; border-radius: 10px; border: 1px solid rgba(120,180,255,0.4); cursor: pointer;
  transition: all 0.25s ease;
}
.btn-secondary:hover { background: rgba(46,107,255,0.10); border-color: rgba(120,180,255,0.6); color: #F0F4FF; }
.btn-secondary:active { transform: translateY(1px); }
.hero-trust { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 42px; padding-top: 28px; border-top: 1px solid rgba(120,180,255,0.10); }
.trust-item { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #8899B5; }
.trust-item svg { width: 20px; height: 20px; color: #22D3EE; }

/* 板块通用 */
.section-block { padding: 76px 0 24px; }
.section-head { margin-bottom: 40px; }
.section-kicker { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.section-kicker .bar { width: 6px; height: 18px; border-radius: 4px; background: linear-gradient(135deg, #2E6BFF, #22D3EE); }
.section-kicker .num { font-size: 14px; font-weight: 700; color: #5E96FF; letter-spacing: 1px; }
.section-title { font-size: 28px; font-weight: 700; color: #F0F4FF; letter-spacing: -0.3px; }
.section-sub { font-size: 14px; color: #8899B5; margin-top: 8px; max-width: 640px; }

/* 玻璃卡片 */
.glass-card {
  background: rgba(255, 255, 255, 0.045);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(120, 180, 255, 0.16);
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition: all 0.25s ease;
}
.glass-card:hover { background: rgba(255, 255, 255, 0.07); box-shadow: 0 8px 30px rgba(0, 0, 0, 0.28), 0 4px 20px rgba(46, 107, 255, 0.13), inset 0 1px 0 rgba(255, 255, 255, 0.08); border-color: rgba(120, 180, 255, 0.28); }

/* 服务优势 */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card { padding: 30px 24px; }
.feature-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(46,107,255,0.14); border: 1px solid rgba(120,180,255,0.2); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.feature-icon svg { width: 24px; height: 24px; color: #5E96FF; }
.feature-title { font-size: 17px; font-weight: 600; color: #F0F4FF; margin-bottom: 8px; }
.feature-desc { font-size: 14px; color: #8899B5; line-height: 1.7; }

/* 权益阶梯 */
.tier-section { position: relative; padding: 76px 0 24px; }
.tier-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; border-radius: 20px; }
.tier-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.10; }
.tier-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,15,30,0.65), rgba(10,15,30,0.85)); }
.tier-wrap { position: relative; z-index: 1; }
.tier-list { display: flex; flex-direction: column; gap: 16px; }
.tier-item {
  display: flex; align-items: center; gap: 24px;
  padding: 24px 28px; position: relative;
}
.tier-item::after { content: ''; position: absolute; left: 58px; right: 58px; bottom: -13px; height: 4px; background: linear-gradient(90deg, rgba(46,107,255,0.3), rgba(34,211,238,0.08)); border-radius: 2px; }
.tier-item:last-child::after { display: none; }
.tier-level { width: 44px; height: 44px; flex-shrink: 0; border-radius: 10px; background: rgba(46,107,255,0.16); border: 1px solid rgba(120,180,255,0.25); display: flex; align-items: center; justify-content: center; color: #93B4FF; font-weight: 700; font-size: 15px; }
.tier-body { flex: 1; }
.tier-name { font-size: 17px; font-weight: 600; color: #F0F4FF; }
.tier-cond { font-size: 13px; color: #8899B5; margin-top: 2px; }
.tier-points { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 8px; }
.tier-point { font-size: 13px; color: #C7D2E8; display: flex; align-items: center; gap: 6px; }
.tier-point svg { width: 14px; height: 14px; color: #34D399; }
.tier-cta { flex-shrink: 0; }

/* 套餐对比 */
.plans-section { padding: 76px 0 24px; }
.plans-table-wrap { overflow-x: auto; padding-bottom: 12px; -webkit-overflow-scrolling: touch; }
.plans-table { width: 100%; min-width: 820px; border-collapse: separate; border-spacing: 0; }
.plans-table thead th { padding: 16px 20px; background: rgba(46,107,255,0.12); color: #F0F4FF; font-weight: 600; font-size: 15px; text-align: center; border-bottom: 1px solid rgba(120,180,255,0.15); }
.plans-table thead th:first-child { text-align: left; border-radius: 12px 0 0 0; }
.plans-table thead th:last-child { border-radius: 0 12px 0 0; }
.plans-table tbody td { padding: 14px 20px; border-bottom: 1px solid rgba(120,180,255,0.07); font-size: 14px; text-align: center; color: #C7D2E8; }
.plans-table tbody td:first-child { text-align: left; color: #8899B5; }
.plans-table tbody tr:hover td { background: rgba(255,255,255,0.02); }
.plan-name { font-size: 17px; font-weight: 700; color: #F0F4FF; margin-bottom: 2px; }
.plan-price { font-size: 20px; font-weight: 700; color: #5E96FF; }
.plan-price small { font-size: 12px; color: #8899B5; font-weight: 400; }
.plan-recommend { position: relative; }
.plan-recommend .recommend-badge {
  position: absolute; top: -14px; right: 16px;
  background: linear-gradient(135deg, #2E6BFF, #22D3EE);
  color: #0A0F1E; font-size: 12px; font-weight: 700;
  padding: 4px 12px; border-radius: 8px 8px 8px 0; transform: rotate(2deg);
}
.plan-feature-yes { color: #34D399; font-weight: 600; }
.plan-feature-no { color: #4A5A78; }
.btn-plan {
  display: inline-block; padding: 9px 22px; border-radius: 10px; font-size: 14px; font-weight: 600;
  background: transparent; border: 1px solid rgba(120,180,255,0.35); color: #C7D2E8; transition: all 0.2s;
}
.btn-plan:hover { background: rgba(46,107,255,0.12); border-color: rgba(120,180,255,0.6); }
.btn-plan.hot { background: linear-gradient(135deg, #2E6BFF, #22D3EE); color: #fff; border-color: transparent; box-shadow: 0 0 18px rgba(46,107,255,0.35); }
.btn-plan.hot:hover { box-shadow: 0 0 28px rgba(46,107,255,0.5); filter: brightness(1.08); }
.plan-recommend-col { background: rgba(46,107,255,0.06); box-shadow: 0 0 0 1px rgba(46,107,255,0.30), 0 8px 30px rgba(46,107,255,0.14); }

/* FAQ */
.faq-section { padding: 76px 0 24px; }
.faq-list { max-width: 860px; display: flex; flex-direction: column; gap: 14px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-item summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 26px; cursor: pointer; font-size: 15px; font-weight: 600; color: #F0F4FF; transition: background 0.2s; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: rgba(255,255,255,0.03); }
.faq-item summary .arrow { width: 18px; height: 18px; color: #8899B5; transition: transform 0.2s; flex-shrink: 0; }
.faq-item[open] summary .arrow { transform: rotate(180deg); }
.faq-answer { padding: 0 26px 22px; font-size: 14px; color: #8899B5; line-height: 1.75; }

/* 限时入口 */
.promo-section { padding: 76px 0 24px; position: relative; }
.promo-card {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(120, 180, 255, 0.18);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.promo-grid { display: grid; grid-template-columns: 1.2fr 1fr; }
.promo-content { padding: 48px 40px; }
.promo-title { font-size: 26px; font-weight: 700; color: #F0F4FF; line-height: 1.4; }
.promo-desc { font-size: 14px; color: #8899B5; margin-top: 14px; max-width: 460px; line-height: 1.8; }
.countdown { display: flex; gap: 12px; margin-top: 28px; }
.count-box {
  min-width: 84px; padding: 14px 10px; text-align: center;
  background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(120, 180, 255, 0.2);
  border-radius: 12px; box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}
.count-box .val { font-size: 32px; font-weight: 800; color: #5E96FF; text-shadow: 0 0 18px rgba(46,107,255,0.4); line-height: 1.2; }
.count-box .lbl { font-size: 12px; color: #8899B5; margin-top: 2px; }
.count-sep { font-size: 28px; font-weight: 400; color: #4A5A78; align-self: center; }
.promo-cta { margin-top: 32px; }
.btn-glow {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, #2E6BFF, #22D3EE);
  color: #fff; font-size: 16px; font-weight: 700;
  padding: 15px 38px; border-radius: 12px; border: none; cursor: pointer;
  box-shadow: 0 0 28px rgba(46,107,255,0.45), inset 0 1px 0 rgba(255,255,255,0.2);
  transition: all 0.3s ease;
}
.btn-glow:hover { box-shadow: 0 0 40px rgba(46,107,255,0.6), inset 0 1px 0 rgba(255,255,255,0.3); filter: brightness(1.1); transform: translateY(-1px); }
.btn-glow:active { transform: translateY(1px); box-shadow: 0 0 16px rgba(46,107,255,0.3); }
.promo-media { position: relative; min-height: 280px; }
.promo-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* 资讯列表 */
.news-section { padding: 76px 0 24px; }
.news-list { max-width: 900px; }
.news-item {
  display: flex; align-items: flex-start; gap: 20px;
  padding: 24px 0; border-bottom: 1px solid rgba(120, 180, 255, 0.09);
  transition: all 0.2s;
}
.news-item:hover .news-title { color: #5E96FF; }
.news-timeline { position: relative; width: 14px; flex-shrink: 0; display: flex; justify-content: center; }
.news-timeline::before { content: ''; position: absolute; top: 34px; bottom: -24px; width: 1px; background: rgba(120,180,255,0.14); }
.news-item:last-child .news-timeline::before { display: none; }
.news-dot { width: 8px; height: 8px; border-radius: 50%; background: #2E6BFF; margin-top: 9px; box-shadow: 0 0 8px rgba(46,107,255,0.5); }
.news-body { flex: 1; }
.news-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; }
.news-tag { font-size: 12px; padding: 2px 10px; border-radius: 999px; background: rgba(46,107,255,0.16); color: #93B4FF; }
.news-time { font-size: 12px; color: #4A5A78; }
.news-title { font-size: 17px; font-weight: 600; color: #F0F4FF; transition: color 0.2s; }
.news-excerpt { font-size: 14px; color: #8899B5; margin-top: 5px; line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-link { display: inline-block; margin-top: 8px; font-size: 13px; color: #5E96FF; font-weight: 500; transition: color 0.2s; }
.news-link:hover { color: #22D3EE; }
.news-empty { padding: 40px 24px; text-align: center; color: #8899B5; font-size: 14px; }

/* 咨询表单 */
.contact-section { padding: 76px 0 64px; }
.contact-card { padding: 44px; max-width: 860px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; }
.form-group.full { grid-column: 1 / -1; }
.form-label { font-size: 13px; color: #8899B5; margin-bottom: 6px; }
.form-input {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(120, 180, 255, 0.2);
  border-radius: 10px; padding: 11px 14px; color: #F0F4FF; font-size: 14px;
  outline: none; transition: all 0.2s; width: 100%;
}
.form-input::placeholder { color: #4A5A78; }
.form-input:focus { border-color: #2E6BFF; box-shadow: 0 0 0 3px rgba(46,107,255,0.15); }
.form-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%238899B5' stroke-width='1.5' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; cursor: pointer; }
.form-textarea { min-height: 100px; resize: vertical; }
.form-note { font-size: 12px; color: #4A5A78; margin-top: 14px; }
.form-submit { margin-top: 24px; }

/* 页脚 */
.site-footer {
  background: #080C18; border-top: 1px solid rgba(120, 180, 255, 0.08);
  padding: 48px 40px 40px; margin-left: 236px;
}
.footer-grid { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; }
.footer-brand .brand-main { font-size: 24px; }
.footer-brand .brand-sub { font-size: 13px; }
.footer-brand p { font-size: 13px; color: #4A5A78; margin-top: 10px; line-height: 1.7; }
.footer-col-title { font-size: 14px; color: #F0F4FF; font-weight: 600; margin-bottom: 14px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 13px; color: #4A5A78; transition: color 0.2s; }
.footer-links a:hover { color: #5E96FF; }
.footer-bottom { max-width: 1280px; margin: 36px auto 0; padding-top: 20px; border-top: 1px solid rgba(120,180,255,0.07); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; font-size: 12px; color: #4A5A78; }

/* 响应式 */
@media (max-width: 1024px) {
  .sidebar { display: none; }
  .mobile-header { display: flex; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: block; }
  .main-wrapper { margin-left: 0; }
  .main-content { padding: 0 20px; }
  .site-footer { margin-left: 0; padding: 40px 20px 32px; }
  .hero-title { font-size: 34px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .tier-item { flex-wrap: wrap; }
  .tier-cta { margin-top: 10px; }
  .promo-grid { grid-template-columns: 1fr; }
  .promo-media { min-height: 220px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .main-content { padding: 0 16px; }
  .hero-section { padding: 48px 0 52px; }
  .hero-inner { padding: 24px 8px; }
  .hero-title { font-size: 27px; }
  .hero-desc { font-size: 14px; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; }
  .section-block, .tier-section, .plans-section, .faq-section, .promo-section, .news-section, .contact-section { padding-top: 52px; }
  .section-title { font-size: 23px; }
  .feature-grid { grid-template-columns: 1fr; }
  .tier-item { padding: 20px 18px; gap: 14px; }
  .tier-points { flex-direction: column; gap: 4px; }
  .count-box { min-width: 68px; padding: 10px 6px; }
  .count-box .val { font-size: 24px; }
  .count-sep { font-size: 20px; }
  .promo-content { padding: 32px 24px; }
  .promo-title { font-size: 22px; }
  .faq-item summary { padding: 18px 20px; }
  .faq-answer { padding: 0 20px 18px; }
  .contact-card { padding: 28px 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-trust { gap: 14px; }
  .trust-item { width: 100%; }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #2E6BFF;
            --color-primary-dark: #1E4FD0;
            --color-primary-light: #5E96FF;
            --color-primary-lighter: #8CB8FF;
            --color-accent: #22D3EE;
            --color-bg: #0A0F1E;
            --color-surface: #0D1428;
            --color-card: rgba(255, 255, 255, 0.04);
            --color-text: #F0F4FF;
            --color-body: #C7D2E8;
            --color-muted: #8899B5;
            --color-disabled: #4A5A78;
            --color-border: rgba(120, 180, 255, 0.16);
            --color-border-light: rgba(120, 180, 255, 0.10);
            --color-border-strong: rgba(120, 180, 255, 0.28);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(120, 180, 255, 0.08);
            --shadow-glow: 0 0 24px rgba(46, 107, 255, 0.30);
            --shadow-glow-strong: 0 0 40px rgba(46, 107, 255, 0.45);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'HarmonyOS Sans SC', 'Helvetica Neue', sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 15px;
            background-image: radial-gradient(rgba(120, 180, 255, 0.05) 1px, transparent 1px);
            background-size: 26px 26px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        ul,
        ol {
            list-style: none;
        }

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 14px;
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(120, 180, 255, 0.2);
            border-radius: var(--radius-btn);
            padding: 10px 14px;
            width: 100%;
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(46, 107, 255, 0.15);
        }

        ::placeholder {
            color: var(--color-muted);
            opacity: 0.7;
        }

        /* ========== 主容器 ========== */
        .main-content {
            margin-left: 240px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

        /* ========== 侧边导航 ========== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 240px;
            background: rgba(255, 255, 255, 0.02);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-right: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            padding: 28px 18px 20px;
            z-index: 100;
        }

        .brand {
            display: flex;
            flex-direction: column;
            padding: 0 12px;
            margin-bottom: 36px;
        }

        .brand-main {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #5E96FF 0%, #22D3EE 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .brand-sub {
            font-size: 13px;
            color: var(--color-muted);
            letter-spacing: 2px;
            margin-top: 2px;
        }

        .nav-links {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            height: 44px;
            padding: 0 12px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-body);
            transition: background 0.2s, color 0.2s, box-shadow 0.2s;
            position: relative;
        }

        .nav-item svg {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            stroke: currentColor;
        }

        .nav-item:hover {
            color: var(--color-text);
            background: rgba(46, 107, 255, 0.06);
        }

        .nav-item.active {
            color: var(--color-primary-light);
            background: rgba(46, 107, 255, 0.08);
            font-weight: 600;
            box-shadow: inset 3px 0 0 0 var(--color-primary);
        }

        .nav-item.active::after {
            content: '';
            position: absolute;
            right: 8px;
            top: 14px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
            box-shadow: 0 0 12px rgba(46, 107, 255, 0.7);
        }

        .nav-contact {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 12px;
            margin-top: 20px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--color-border-light);
            font-size: 12px;
            color: var(--color-muted);
            line-height: 1.5;
        }

        .nav-contact svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            stroke: var(--color-primary-light);
        }

        .nav-contact div {
            display: flex;
            flex-direction: column;
        }

        /* ========== 移动端顶部栏 ========== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(120, 180, 255, 0.12);
            padding: 0 20px;
            align-items: center;
            justify-content: space-between;
            z-index: 200;
        }

        .mobile-topbar .brand {
            margin-bottom: 0;
            padding: 0;
        }

        .mobile-topbar .brand-main {
            font-size: 24px;
        }

        .mobile-topbar .brand-sub {
            font-size: 11px;
            letter-spacing: 1.5px;
        }

        .menu-toggle {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--color-border);
            background: rgba(255, 255, 255, 0.04);
            transition: background 0.2s, transform 0.2s;
        }

        .menu-toggle:hover {
            background: rgba(46, 107, 255, 0.12);
        }

        .menu-toggle svg {
            width: 22px;
            height: 22px;
            stroke: var(--color-text);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg,
                    rgba(10, 15, 30, 0.92) 0%,
                    rgba(13, 20, 40, 0.75) 45%,
                    rgba(10, 15, 30, 0.55) 100%);
        }

        .hero-bg-overlay::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(46, 107, 255, 0.22) 0%, transparent 65%);
            filter: blur(30px);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 1280px;
            margin: 0 auto;
            padding: 72px 32px;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(46, 107, 255, 0.16);
            border: 1px solid rgba(46, 107, 255, 0.3);
            color: #93B4FF;
            font-size: 12px;
            font-weight: 500;
            padding: 5px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .hero p {
            font-size: 16px;
            color: var(--color-body);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

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

        /* ========== 通用按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #2E6BFF 0%, #22D3EE 100%);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 30px;
            border-radius: var(--radius-btn);
            box-shadow: 0 4px 18px rgba(46, 107, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.18);
            transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            box-shadow: 0 6px 28px rgba(46, 107, 255, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.22);
            filter: brightness(1.1);
            transform: translateY(-1px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(1px) scale(0.98);
            box-shadow: 0 2px 12px rgba(46, 107, 255, 0.25);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1px solid rgba(120, 180, 255, 0.4);
            color: var(--color-body);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.2s;
            cursor: pointer;
        }

        .btn-secondary:hover {
            background: rgba(46, 107, 255, 0.1);
            border-color: rgba(120, 180, 255, 0.6);
            color: var(--color-text);
        }

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .btn-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-primary-light);
            transition: gap 0.2s, color 0.2s;
        }

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

        /* ========== 区块通用 ========== */
        .section {
            padding: 72px 0;
            border-bottom: 1px solid var(--color-border-light);
            position: relative;
        }

        .section:last-child {
            border-bottom: none;
        }

        .section-head {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 40px;
        }

        .section-number {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-primary);
            background: rgba(46, 107, 255, 0.14);
            padding: 4px 12px;
            border-radius: 6px;
            letter-spacing: 1px;
            text-transform: uppercase;
            flex-shrink: 0;
            margin-top: 6px;
            border: 1px solid rgba(46, 107, 255, 0.24);
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }

        .section-head p {
            color: var(--color-muted);
            font-size: 14px;
            margin-top: 4px;
        }

        /* ========== 玻璃卡片 ========== */
        .glass-card {
            background: var(--color-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            padding: 28px;
            transition: background 0.3s, box-shadow 0.3s, border-color 0.3s, transform 0.3s;
        }

        .glass-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: var(--color-border-strong);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 4px 20px rgba(46, 107, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.08);
            transform: translateY(-4px);
        }

        /* ========== 核心指引卡片 ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.22) 0%, rgba(34, 211, 238, 0.14) 100%);
            border: 1px solid rgba(120, 180, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            position: relative;
            overflow: hidden;
        }

        .card-icon::after {
            content: '';
            position: absolute;
            top: -8px;
            right: -8px;
            width: 20px;
            height: 20px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            filter: blur(2px);
        }

        .card-icon svg {
            width: 24px;
            height: 24px;
            stroke: var(--color-primary-light);
        }

        .glass-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .glass-card p {
            font-size: 14px;
            color: var(--color-body);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .card-tag {
            display: inline-block;
            font-size: 12px;
            color: #93B4FF;
            background: rgba(46, 107, 255, 0.14);
            border: 1px solid rgba(46, 107, 255, 0.2);
            padding: 2px 12px;
            border-radius: var(--radius-badge);
        }

        /* ========== 登录流程时间线 ========== */
        .steps-timeline {
            position: relative;
            max-width: 760px;
            margin: 0 auto;
            padding-left: 0;
        }

        .steps-timeline::before {
            content: '';
            position: absolute;
            left: 26px;
            top: 16px;
            bottom: 16px;
            width: 2px;
            background: linear-gradient(180deg, var(--color-primary) 0%, rgba(34, 211, 238, 0.3) 100%);
            opacity: 0.5;
            border-radius: 1px;
        }

        .step-item {
            position: relative;
            padding-left: 76px;
            padding-bottom: 34px;
        }

        .step-item:last-child {
            padding-bottom: 0;
        }

        .step-dot {
            position: absolute;
            left: 12px;
            top: 4px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 16px rgba(46, 107, 255, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.3);
            border: 2px solid rgba(10, 15, 30, 0.6);
            z-index: 2;
        }

        .step-content {
            background: var(--color-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--color-border);
            border-radius: 14px;
            padding: 20px 22px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            transition: background 0.3s, border-color 0.3s, transform 0.2s;
        }

        .step-content:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--color-border-strong);
            transform: translateX(4px);
        }

        .step-content h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .step-content p {
            font-size: 14px;
            color: var(--color-body);
            line-height: 1.7;
        }

        .step-time {
            display: inline-block;
            font-size: 12px;
            color: var(--color-muted);
            background: rgba(120, 180, 255, 0.08);
            border: 1px solid var(--color-border-light);
            padding: 1px 8px;
            border-radius: 6px;
            margin-top: 6px;
        }

        /* ========== 适用场景 ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-card {
            overflow: hidden;
            border-radius: var(--radius-card);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.04);
            transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
            position: relative;
        }

        .scenario-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3), 0 4px 20px rgba(46, 107, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            border-color: var(--color-border-strong);
        }

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

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

        .scenario-card:hover .scenario-img img {
            transform: scale(1.04);
        }

        .scenario-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 15, 30, 0.72) 100%);
        }

        .scenario-badge {
            position: absolute;
            left: 14px;
            bottom: 14px;
            z-index: 2;
            background: rgba(10, 15, 30, 0.55);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(120, 180, 255, 0.22);
            color: #B7C7E8;
            font-size: 11px;
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.5px;
        }

        .scenario-body {
            padding: 20px 22px 24px;
        }

        .scenario-body h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }

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

        /* ========== 信息条 ========== */
        .info-strip {
            background: rgba(46, 107, 255, 0.08);
            border: 1px solid rgba(46, 107, 255, 0.2);
            border-radius: 14px;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 36px;
            position: relative;
            overflow: hidden;
        }

        .info-strip::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
            border-radius: 4px;
        }

        .info-strip svg {
            width: 22px;
            height: 22px;
            stroke: var(--color-primary-light);
            flex-shrink: 0;
        }

        .info-strip p {
            font-size: 14px;
            color: var(--color-body);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--color-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--color-border);
            border-radius: 14px;
            overflow: hidden;
            transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
        }

        .faq-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--color-border-strong);
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.2);
        }

        .faq-item summary {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            list-style: none;
            transition: color 0.2s;
        }

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

        .faq-item summary::after {
            content: '';
            width: 10px;
            height: 10px;
            border-right: 2px solid var(--color-muted);
            border-bottom: 2px solid var(--color-muted);
            transform: rotate(45deg);
            transition: transform 0.25s ease, border-color 0.2s;
            margin-left: 16px;
            flex-shrink: 0;
        }

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

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

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--color-body);
            line-height: 1.8;
            border-top: 1px solid var(--color-border-light);
            margin: 0 24px 0;
            padding-left: 0;
            padding-right: 0;
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            padding: 72px 0 80px;
            position: relative;
            background: linear-gradient(180deg, transparent 0%, rgba(46, 107, 255, 0.06) 50%, transparent 100%);
        }

        .cta-inner {
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 700;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: 15px;
            color: var(--color-body);
            line-height: 1.8;
            margin-bottom: 30px;
        }

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

        /* ========== 页脚 ========== */
        .site-footer {
            background: #080C18;
            border-top: 1px solid var(--color-border-light);
            padding: 48px 32px 24px;
            margin-top: auto;
        }

        .footer-grid {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(120, 180, 255, 0.06);
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--color-muted);
            line-height: 1.8;
            margin-top: 12px;
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

        .footer-links a {
            font-size: 13px;
            color: var(--color-muted);
            transition: color 0.2s, padding-left 0.2s;
        }

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

        .footer-bottom {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 24px;
            font-size: 12px;
            color: var(--color-disabled);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1023px) {
            .mobile-topbar {
                display: flex;
            }

            .side-nav {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                width: 100%;
                height: auto;
                bottom: auto;
                transform: translateY(-130%);
                transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
                padding: 20px;
                background: rgba(10, 15, 30, 0.96);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                border-right: none;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
            }

            .side-nav.open {
                transform: translateY(0);
            }

            .side-nav .brand {
                margin-bottom: 20px;
            }

            .nav-links {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 6px;
                flex: none;
                margin-bottom: 16px;
            }

            .nav-item {
                height: 40px;
                padding: 0 14px;
                font-size: 14px;
            }

            .nav-item.active {
                box-shadow: inset 0 -2px 0 0 var(--color-primary);
            }

            .nav-item.active::after {
                display: none;
            }

            .nav-contact {
                display: none;
            }

            .main-content {
                margin-left: 0;
                padding-top: 60px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }

            .hero {
                min-height: 360px;
            }

            .hero-content {
                padding: 56px 20px;
            }

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

            .hero p {
                font-size: 15px;
            }

            .hero-badge {
                font-size: 11px;
            }

            .section {
                padding: 56px 0;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .section-head {
                margin-bottom: 32px;
            }

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

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

            .step-item {
                padding-left: 64px;
            }

            .steps-timeline::before {
                left: 22px;
            }

            .step-dot {
                left: 8px;
            }

            .faq-item summary {
                padding: 18px 20px;
                font-size: 14px;
            }

            .faq-item .faq-answer {
                font-size: 13px;
            }

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

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }

            .guide-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .scenario-img {
                height: 170px;
            }

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

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

            .section-number {
                font-size: 12px;
                padding: 3px 10px;
            }

            .step-item {
                padding-left: 0;
                padding-bottom: 28px;
            }

            .steps-timeline::before {
                display: none;
            }

            .step-dot {
                position: relative;
                left: auto;
                top: auto;
                margin-bottom: 10px;
            }

            .faq-item .faq-answer {
                margin: 0 20px;
            }

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

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

            .cta-actions .btn-primary,
            .cta-actions .btn-secondary {
                justify-content: center;
            }

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

/* roulang page: article */
:root {
    --color-primary: #2E6BFF;
    --color-primary-dark: #1E4FD0;
    --color-primary-light: #5E96FF;
    --color-accent: #22D3EE;
    --color-bg: #0A0F1E;
    --color-surface: #0D1428;
    --color-text: #F0F4FF;
    --color-body: #C7D2E8;
    --color-muted: #8899B5;
    --color-dim: #4A5A78;
    --color-border: rgba(120, 180, 255, 0.16);
    --color-line: rgba(120, 180, 255, 0.10);
    --radius-card: 16px;
    --radius-btn: 10px;
    --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(120, 180, 255, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    --shadow-glow: 0 0 24px rgba(46, 107, 255, 0.30);
    --transition: all 0.2s ease;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: 'PingFang SC', 'Microsoft YaHei', 'HarmonyOS Sans SC', 'Segoe UI', sans-serif;
    background-color: var(--color-bg);
    background-image:
      linear-gradient(rgba(120, 180, 255, 0.025) 1px, transparent 1px),
      linear-gradient(90deg, rgba(120, 180, 255, 0.025) 1px, transparent 1px);
    background-size: 48px 48px;
    color: var(--color-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

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

  button {
    font-family: inherit;
    cursor: pointer;
  }

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

  /* ===== 布局 ===== */
  .layout {
    display: flex;
    min-height: 100vh;
  }

  .main-panel {
    flex: 1;
    margin-left: 240px;
    display: flex;
    flex-direction: column;
    min-width: 0;
  }

  .main-content {
    flex: 1;
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 48px 40px 72px;
  }

  /* ===== 品牌 ===== */
  .brand {
    padding: 12px 8px 24px;
    border-bottom: 1px solid var(--color-line);
    margin-bottom: 24px;
  }

  .brand-main {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--color-primary-light);
    background: linear-gradient(135deg, #5E96FF 0%, #2E6BFF 55%, #22D3EE 120%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
  }

  .brand-sub {
    display: block;
    font-size: 13px;
    color: var(--color-muted);
    letter-spacing: 3px;
    margin-top: 6px;
  }

  /* ===== 左侧导航 ===== */
  .side-bar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 240px;
    background: rgba(255, 255, 255, 0.02);
    border-right: 1px solid rgba(120, 180, 255, 0.10);
    display: flex;
    flex-direction: column;
    padding: 28px 20px 20px;
    z-index: 50;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  .side-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 44px;
    padding: 0 14px;
    border-radius: 10px;
    color: var(--color-muted);
    font-size: 14px;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
  }

  .nav-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke: currentColor;
  }

  .nav-item:hover {
    color: var(--color-body);
    background: rgba(255, 255, 255, 0.03);
  }

  .nav-item.active {
    color: #93B4FF;
    background: rgba(46, 107, 255, 0.10);
  }

  .nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    border-radius: 0 3px 3px 0;
    background: var(--color-primary);
    box-shadow: 0 0 10px rgba(46, 107, 255, 0.60);
  }

  .nav-card {
    margin-top: auto;
    padding: 16px 0 4px;
  }

  .contact-line {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--color-muted);
    margin-top: 12px;
    line-height: 1.5;
  }

  .contact-line svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    flex-shrink: 0;
  }

  /* ===== 移动端导航 ===== */
  .mobile-header {
    display: none;
    position: sticky;
    top: 0;
    z-index: 60;
    height: 60px;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    background: rgba(10, 15, 30, 0.90);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
  }

  .mobile-brand {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: 0.5px;
  }

  .mobile-brand span {
    color: var(--color-primary-light);
  }

  .menu-toggle {
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-body);
    transition: var(--transition);
  }

  .menu-toggle:hover {
    border-color: rgba(120, 180, 255, 0.4);
    background: rgba(46, 107, 255, 0.08);
  }

  .menu-toggle svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    z-index: 59;
    padding: 16px 20px 20px;
    background: rgba(10, 15, 30, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    gap: 6px;
    transform: translateY(-8px);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
  }

  .mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    display: flex;
  }

  .mobile-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 48px;
    padding: 0 14px;
    border-radius: 8px;
    color: var(--color-body);
    font-size: 15px;
    border: 1px solid transparent;
    transition: var(--transition);
  }

  .mobile-nav-item:hover {
    background: rgba(46, 107, 255, 0.08);
    border-color: var(--color-border);
  }

  .mobile-nav-item.active {
    color: #93B4FF;
    background: rgba(46, 107, 255, 0.10);
    border-color: rgba(46, 107, 255, 0.3);
  }

  /* ===== 按钮 ===== */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-btn);
    background: linear-gradient(135deg, #2E6BFF 0%, #22D3EE 100%);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 0 20px rgba(46, 107, 255, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.25), inset 0 -2px 6px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
    line-height: 1.4;
  }

  .btn-primary:hover {
    box-shadow: 0 0 32px rgba(46, 107, 255, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.3), inset 0 -2px 6px rgba(0, 0, 0, 0.12);
    transform: translateY(-1px);
  }

  .btn-primary:active {
    transform: translateY(1px) scale(0.98);
    box-shadow: 0 0 12px rgba(46, 107, 255, 0.30), inset 0 2px 4px rgba(0, 0, 0, 0.2);
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    border: 1px solid rgba(120, 180, 255, 0.40);
    border-radius: var(--radius-btn);
    background: transparent;
    color: var(--color-body);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
  }

  .btn-secondary:hover {
    background: rgba(46, 107, 255, 0.10);
    border-color: rgba(46, 107, 255, 0.6);
    color: var(--color-text);
  }

  .btn-secondary:active {
    transform: scale(0.98);
  }

  .btn-block {
    width: 100%;
  }

  /* ===== 面包屑 ===== */
  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: 24px;
  }

  .breadcrumb a {
    color: #93B4FF;
    transition: var(--transition);
  }

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

  .crumb-sep {
    color: var(--color-dim);
  }

  .crumb-current {
    color: var(--color-muted);
    max-width: 220px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline-block;
    vertical-align: bottom;
  }

  /* ===== 文章卡片 ===== */
  .post-card {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 40px 44px;
  }

  .post-cover {
    margin-bottom: 32px;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid var(--color-border);
  }

  .post-cover img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .post-cover:hover img {
    transform: scale(1.02);
  }

  .post-head {
    max-width: 780px;
    margin: 0 auto;
    text-align: left;
    padding: 0 0 28px;
    border-bottom: 1px solid var(--color-line);
    margin-bottom: 28px;
  }

  .post-title {
    font-size: 36px;
    line-height: 1.3;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: -0.5px;
    margin: 0 0 16px;
  }

  .post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px 24px;
    font-size: 13px;
    color: var(--color-muted);
  }

  .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .meta-item svg {
    width: 15px;
    height: 15px;
    stroke: currentColor;
  }

  .post-content {
    max-width: 780px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-body);
    word-break: break-word;
  }

  .post-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    margin: 32px 0 14px;
    letter-spacing: -0.3px;
    position: relative;
    padding-left: 14px;
  }

  .post-content h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 4px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  }

  .post-content h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin: 24px 0 12px;
  }

  .post-content h4 {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
    margin: 20px 0 10px;
  }

  .post-content p {
    margin: 0 0 1em;
  }

  .post-content ul,
  .post-content ol {
    margin: 1em 0;
    padding-left: 0;
  }

  .post-content ul li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 8px;
    list-style: none;
  }

  .post-content ul li::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 10px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    box-shadow: 0 0 6px rgba(46, 107, 255, 0.4);
  }

  .post-content ol {
    counter-reset: article-ol;
  }

  .post-content ol li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 8px;
    list-style: none;
    counter-increment: article-ol;
  }

  .post-content ol li::before {
    content: counter(article-ol);
    position: absolute;
    left: 0;
    top: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(46, 107, 255, 0.16);
    color: #93B4FF;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .post-content a {
    color: #93B4FF;
    border-bottom: 1px solid rgba(147, 180, 255, 0.3);
    transition: var(--transition);
  }

  .post-content a:hover {
    color: var(--color-primary-light);
    border-bottom-color: var(--color-primary-light);
  }

  .post-content blockquote {
    margin: 24px 0;
    padding: 16px 20px;
    background: rgba(46, 107, 255, 0.08);
    border-left: 3px solid var(--color-primary);
    border-radius: 0 10px 10px 0;
    color: var(--color-body);
    font-style: normal;
  }

  .post-content blockquote p:last-child {
    margin-bottom: 0;
  }

  .post-content img {
    border-radius: 12px;
    margin: 24px auto;
    border: 1px solid var(--color-border);
  }

  .post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
  }

  .post-content th,
  .post-content td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--color-line);
    text-align: left;
  }

  .post-content th {
    background: rgba(46, 107, 255, 0.12);
    color: var(--color-text);
    font-weight: 600;
  }

  .post-tags {
    max-width: 780px;
    margin: 36px auto 0;
    padding-top: 24px;
    border-top: 1px solid var(--color-line);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .tag-item {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(46, 107, 255, 0.14);
    color: #93B4FF;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(46, 107, 255, 0.20);
    transition: var(--transition);
  }

  .tag-item:hover {
    background: rgba(46, 107, 255, 0.22);
    border-color: rgba(46, 107, 255, 0.4);
  }

  /* ===== 文章导航 ===== */
  .post-nav {
    max-width: 780px;
    margin: 32px auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
  }

  .post-prev,
  .post-next {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: 1px solid rgba(120, 180, 255, 0.25);
    border-radius: 10px;
    color: var(--color-body);
    font-size: 13px;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition);
  }

  .post-prev:hover,
  .post-next:hover {
    background: rgba(46, 107, 255, 0.10);
    border-color: rgba(46, 107, 255, 0.45);
    color: var(--color-text);
    transform: translateY(-1px);
  }

  .back-cat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    max-width: 780px;
    width: 100%;
    justify-content: center;
    font-size: 13px;
    color: var(--color-muted);
    transition: var(--transition);
  }

  .back-cat:hover {
    color: var(--color-primary-light);
  }

  /* ===== 相关推荐 ===== */
  .related-section {
    margin-top: 72px;
  }

  .section-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
  }

  .section-bar {
    width: 6px;
    height: 22px;
    border-radius: 6px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
    box-shadow: 0 0 12px rgba(46, 107, 255, 0.5);
  }

  .section-head h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.3px;
    margin: 0;
  }

  .related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .related-card {
    display: block;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.20), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: var(--transition);
  }

  .related-card:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(120, 180, 255, 0.32);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.30), 0 0 0 1px rgba(46, 107, 255, 0.20), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    transform: translateY(-4px);
  }

  .related-img {
    overflow: hidden;
    border-bottom: 1px solid var(--color-line);
  }

  .related-img img {
    width: 100%;
    height: 170px;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .related-card:hover .related-img img {
    transform: scale(1.04);
  }

  .related-body {
    padding: 24px;
  }

  .related-body h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 8px;
    line-height: 1.4;
  }

  .related-body p {
    font-size: 13px;
    color: var(--color-muted);
    margin: 0 0 16px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .related-link {
    font-size: 13px;
    font-weight: 500;
    color: #93B4FF;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
  }

  .related-card:hover .related-link {
    color: var(--color-primary-light);
  }

  /* ===== 未找到 ===== */
  .not-found-card {
    max-width: 780px;
    margin: 40px auto;
    padding: 64px 48px;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    text-align: center;
  }

  .not-found-code {
    font-size: 56px;
    font-weight: 800;
    background: linear-gradient(135deg, #5E96FF, #22D3EE);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
  }

  .not-found-card h1 {
    font-size: 24px;
    color: var(--color-text);
    margin: 0 0 12px;
    font-weight: 700;
  }

  .not-found-card p {
    color: var(--color-muted);
    font-size: 14px;
    margin: 0 0 28px;
  }

  /* ===== 页脚 ===== */
  .site-footer {
    background: #080C18;
    border-top: 1px solid rgba(120, 180, 255, 0.08);
    padding: 48px 40px 24px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto;
  }

  .footer-brand .brand-main {
    font-size: 24px;
  }

  .footer-brand .brand-sub {
    font-size: 12px;
    letter-spacing: 2px;
  }

  .footer-brand p {
    font-size: 13px;
    color: var(--color-muted);
    margin: 16px 0 0;
    max-width: 360px;
    line-height: 1.7;
  }

  .footer-col-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
  }

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

  .footer-links a {
    font-size: 13px;
    color: var(--color-muted);
    transition: var(--transition);
  }

  .footer-links a:hover {
    color: #93B4FF;
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    max-width: 1200px;
    margin: 40px auto 0;
    padding-top: 20px;
    border-top: 1px solid rgba(120, 180, 255, 0.08);
    font-size: 13px;
    color: var(--color-dim);
    flex-wrap: wrap;
  }

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .side-bar {
      display: none;
    }

    .main-panel {
      margin-left: 0;
    }

    .mobile-header {
      display: flex;
    }

    .main-content {
      padding: 32px 24px 56px;
    }

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

    .post-title {
      font-size: 30px;
    }
  }

  @media (max-width: 768px) {
    .post-card {
      padding: 28px 24px;
    }

    .post-cover img {
      height: 200px;
    }

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

    .footer-brand p {
      max-width: none;
    }
  }

  @media (max-width: 640px) {
    .main-content {
      padding: 20px 16px 48px;
    }

    .post-card {
      padding: 20px 16px;
      border-radius: 14px;
    }

    .post-cover {
      margin-bottom: 24px;
    }

    .post-cover img {
      height: 170px;
    }

    .post-title {
      font-size: 26px;
    }

    .post-meta {
      gap: 10px 16px;
      font-size: 12px;
    }

    .post-content {
      font-size: 15px;
    }

    .post-content h2 {
      font-size: 21px;
    }

    .post-content h3 {
      font-size: 18px;
    }

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

    .related-section {
      margin-top: 48px;
    }

    .section-head h2 {
      font-size: 22px;
    }

    .post-nav {
      flex-direction: column;
      align-items: stretch;
    }

    .post-prev,
    .post-next {
      justify-content: center;
    }

    .not-found-card {
      padding: 40px 24px;
    }

    .not-found-code {
      font-size: 44px;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 24px;
    }

    .site-footer {
      padding: 36px 20px 20px;
    }

    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
    }

    .breadcrumb {
      margin-bottom: 18px;
      font-size: 12px;
    }
  }

/* roulang page: category2 */
:root {
      --color-primary: #2E6BFF;
      --color-primary-dark: #1E4FD0;
      --color-primary-light: #3D7BFF;
      --color-primary-lighter: #5E96FF;
      --color-primary-lightest: #8CB8FF;
      --color-accent: #22D3EE;
      --color-bg: #0A0F1E;
      --color-surface: #0D1428;
      --color-text: #F0F4FF;
      --color-body: #C7D2E8;
      --color-muted: #8899B5;
      --color-disabled: #4A5A78;
      --border-glass: rgba(120, 180, 255, 0.16);
      --border-soft: rgba(120, 180, 255, 0.10);
      --glass-bg: rgba(255, 255, 255, 0.04);
      --glass-bg-hover: rgba(255, 255, 255, 0.08);
      --glow: 0 0 24px rgba(46, 107, 255, 0.30);
      --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.25);
      --radius-card: 16px;
      --radius-btn: 10px;
      --radius-tag: 999px;
      --sidebar-w: 240px;
      --font-sans: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 72px;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--color-bg);
      color: var(--color-body);
      line-height: 1.7;
      font-size: 15px;
      background-image:
        radial-gradient(circle at 18% 6%, rgba(46, 107, 255, 0.10) 0%, transparent 42%),
        radial-gradient(circle at 92% 22%, rgba(34, 211, 238, 0.06) 0%, transparent 34%),
        linear-gradient(rgba(120, 180, 255, 0.022) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120, 180, 255, 0.022) 1px, transparent 1px);
      background-size: auto, auto, 48px 48px, 48px 48px;
      background-attachment: fixed;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease;
    }

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

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

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

    ::selection {
      background: rgba(46, 107, 255, 0.35);
      color: #fff;
    }

    a:focus-visible,
    button:focus-visible,
    summary:focus-visible {
      outline: 2px solid var(--color-primary-lighter);
      outline-offset: 2px;
      border-radius: 6px;
    }

    /* ===== 布局 ===== */
    .site-shell {
      display: flex;
      min-height: 100vh;
    }

    .site-sidebar {
      width: var(--sidebar-w);
      position: fixed;
      inset: 0 auto 0 0;
      z-index: 50;
      display: flex;
      flex-direction: column;
      background: rgba(255, 255, 255, 0.02);
      border-right: 1px solid var(--border-soft);
      -webkit-backdrop-filter: blur(14px);
      backdrop-filter: blur(14px);
    }

    .site-main {
      margin-left: var(--sidebar-w);
      flex: 1;
      min-width: 0;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 32px;
    }

    .section {
      padding: 84px 0;
    }

    .section + .section {
      border-top: 1px solid var(--border-soft);
    }

    .section-head {
      margin-bottom: 48px;
      max-width: 720px;
    }

    .section-no {
      display: inline-flex;
      align-items: center;
      color: var(--color-primary-lighter);
      font-size: 14px;
      font-weight: 600;
      letter-spacing: 1px;
      margin-bottom: 10px;
    }

    .section-no::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 18px;
      border-radius: 4px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      margin-right: 10px;
    }

    .section-head h2 {
      font-size: 30px;
      font-weight: 700;
      color: var(--color-text);
      letter-spacing: -0.5px;
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-head p {
      font-size: 15px;
      color: var(--color-muted);
      line-height: 1.75;
    }

    /* ===== 品牌 ===== */
    .side-brand {
      display: flex;
      flex-direction: column;
      padding: 28px 24px 20px;
      border-bottom: 1px solid var(--border-soft);
    }

    .brand-main {
      font-size: 28px;
      font-weight: 800;
      letter-spacing: 1px;
      color: var(--color-primary-lighter);
      line-height: 1;
    }

    .brand-sub {
      font-size: 13px;
      color: var(--color-muted);
      margin-top: 4px;
      letter-spacing: 2px;
    }

    /* ===== 侧栏导航 ===== */
    .side-nav {
      display: flex;
      flex-direction: column;
      padding: 18px 14px;
      gap: 4px;
      flex: 1;
    }

    .side-nav .nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      height: 44px;
      padding: 0 14px;
      border-radius: 10px;
      color: var(--color-muted);
      font-size: 14px;
      font-weight: 500;
      transition: all .2s ease;
      position: relative;
    }

    .side-nav .nav-item svg {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
      opacity: 0.8;
    }

    .side-nav .nav-item:hover {
      color: var(--color-text);
      background: rgba(255, 255, 255, 0.03);
    }

    .side-nav .nav-item.active {
      color: var(--color-primary-lighter);
      background: rgba(46, 107, 255, 0.08);
    }

    .side-nav .nav-item.active::before {
      content: '';
      position: absolute;
      left: 0;
      top: 10px;
      bottom: 10px;
      width: 3px;
      border-radius: 0 3px 3px 0;
      background: var(--color-primary);
      box-shadow: var(--glow);
    }

    .side-foot {
      padding: 16px 20px 24px;
    }

    .side-contact {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 14px;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-soft);
    }

    .side-contact svg {
      width: 20px;
      height: 20px;
      color: var(--color-accent);
      flex-shrink: 0;
      margin-top: 2px;
    }

    .side-contact strong {
      display: block;
      font-size: 13px;
      color: var(--color-text);
      font-weight: 600;
    }

    .side-contact span {
      font-size: 12px;
      color: var(--color-muted);
      display: block;
      margin-top: 2px;
    }

    /* ===== 移动端导航 ===== */
    .mobile-header {
      display: none;
    }

    .mobile-menu {
      display: none;
    }

    @media (max-width: 1024px) {
      .site-sidebar {
        display: none;
      }

      .site-main {
        margin-left: 0;
      }

      .mobile-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 60px;
        padding: 0 20px;
        position: sticky;
        top: 0;
        z-index: 60;
        background: rgba(10, 15, 30, 0.92);
        -webkit-backdrop-filter: blur(18px);
        backdrop-filter: blur(18px);
        border-bottom: 1px solid var(--border-soft);
      }

      .mobile-brand {
        display: flex;
        align-items: baseline;
        gap: 8px;
      }

      .mobile-brand .brand-main {
        font-size: 22px;
      }

      .mobile-brand .brand-sub {
        margin-top: 0;
        font-size: 12px;
        letter-spacing: 1px;
      }

      .menu-toggle {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        border: 1px solid var(--border-soft);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-text);
        transition: all .2s ease;
      }

      .menu-toggle:hover {
        border-color: rgba(46, 107, 255, 0.4);
      }

      .menu-toggle svg {
        width: 20px;
        height: 20px;
      }

      .mobile-menu {
        display: none;
        flex-direction: column;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        z-index: 55;
        background: rgba(10, 15, 30, 0.96);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border-soft);
        padding: 12px 20px 20px;
      }

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

      .mobile-menu .nav-item {
        height: 46px;
        display: flex;
        align-items: center;
        padding: 0 14px;
        border-radius: 10px;
        color: var(--color-muted);
        font-size: 15px;
        font-weight: 500;
        transition: all .2s ease;
      }

      .mobile-menu .nav-item:hover {
        color: var(--color-text);
        background: rgba(255, 255, 255, 0.03);
      }

      .mobile-menu .nav-item.active {
        color: var(--color-primary-lighter);
        background: rgba(46, 107, 255, 0.08);
      }
    }

    /* ===== Hero ===== */
    .category-hero {
      position: relative;
      min-height: 560px;
      display: flex;
      align-items: center;
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }

    .category-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(115deg, rgba(10, 15, 30, 0.92) 0%, rgba(10, 15, 30, 0.70) 58%, rgba(46, 107, 255, 0.20) 100%);
      z-index: 1;
    }

    .category-hero::after {
      content: '';
      position: absolute;
      right: -80px;
      top: -80px;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(34, 211, 238, 0.14) 0%, transparent 65%);
      filter: blur(20px);
      z-index: 1;
    }

    .hero-container {
      position: relative;
      z-index: 2;
    }

    .hero-inner {
      max-width: 760px;
      padding: 72px 0;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border-radius: var(--radius-tag);
      background: rgba(46, 107, 255, 0.14);
      border: 1px solid rgba(120, 180, 255, 0.18);
      color: var(--color-primary-lighter);
      font-size: 13px;
      font-weight: 500;
      margin-bottom: 22px;
      letter-spacing: 0.5px;
    }

    .category-hero h1 {
      font-size: 46px;
      font-weight: 800;
      color: var(--color-text);
      letter-spacing: -0.5px;
      line-height: 1.25;
      margin-bottom: 16px;
    }

    .hero-sub {
      font-size: 17px;
      color: var(--color-body);
      max-width: 620px;
      margin-bottom: 32px;
      line-height: 1.8;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 38px;
    }

    .hero-trust {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .trust-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 16px;
      border-radius: var(--radius-tag);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-soft);
      color: var(--color-muted);
      font-size: 13px;
    }

    .trust-item svg {
      width: 16px;
      height: 16px;
      color: var(--color-accent);
      flex-shrink: 0;
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      font-size: 15px;
      font-weight: 600;
      transition: all .25s ease;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      color: #fff;
      box-shadow: 0 0 20px rgba(46, 107, 255, 0.30), inset 0 1px 0 rgba(255, 255, 255, 0.15);
    }

    .btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 0 32px rgba(46, 107, 255, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.2);
      filter: brightness(1.05);
    }

    .btn-primary:active {
      transform: translateY(0) scale(0.99);
      box-shadow: 0 0 12px rgba(46, 107, 255, 0.25);
    }

    .btn-ghost {
      background: transparent;
      border: 1px solid rgba(120, 180, 255, 0.4);
      color: var(--color-body);
    }

    .btn-ghost:hover {
      background: rgba(46, 107, 255, 0.1);
      border-color: rgba(120, 180, 255, 0.6);
      color: var(--color-text);
    }

    /* ===== 玻璃卡片 ===== */
    .glass-card {
      position: relative;
      background: rgba(255, 255, 255, 0.04);
      -webkit-backdrop-filter: blur(12px);
      backdrop-filter: blur(12px);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.06);
      transition: all .25s ease;
    }

    .glass-card:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(120, 180, 255, 0.28);
      box-shadow: 0 4px 20px rgba(46, 107, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.08);
      transform: translateY(-2px);
    }

    /* ===== 核心能力 ===== */
    .capability-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .capability-card {
      padding: 32px 28px;
    }

    .card-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(46, 107, 255, 0.14);
      border: 1px solid rgba(120, 180, 255, 0.18);
      margin-bottom: 20px;
    }

    .card-icon svg {
      width: 24px;
      height: 24px;
      color: var(--color-primary-lighter);
    }

    .capability-card h3 {
      font-size: 20px;
      font-weight: 600;
      color: var(--color-text);
      margin-bottom: 12px;
    }

    .capability-card p {
      font-size: 14px;
      color: var(--color-body);
      line-height: 1.75;
    }

    /* ===== 适用场景 ===== */
    .scene-list {
      display: flex;
      flex-direction: column;
      gap: 36px;
    }

    .scene-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
      align-items: center;
    }

    .scene-visual {
      border-radius: var(--radius-card);
      overflow: hidden;
      border: 1px solid var(--border-glass);
      box-shadow: var(--shadow-card);
    }

    .scene-visual img {
      width: 100%;
      height: 270px;
      object-fit: cover;
      transition: transform .5s ease;
    }

    .scene-row:hover .scene-visual img {
      transform: scale(1.03);
    }

    .scene-text {
      padding: 12px 8px;
    }

    .scene-tag {
      display: inline-block;
      padding: 4px 12px;
      border-radius: var(--radius-tag);
      background: rgba(46, 107, 255, 0.14);
      color: var(--color-primary-lighter);
      font-size: 12px;
      font-weight: 500;
      margin-bottom: 14px;
    }

    .scene-text h3 {
      font-size: 24px;
      font-weight: 700;
      color: var(--color-text);
      margin-bottom: 14px;
      letter-spacing: -0.3px;
    }

    .scene-text p {
      font-size: 15px;
      color: var(--color-body);
      margin-bottom: 18px;
      line-height: 1.75;
    }

    .scene-list-items {
      list-style: none;
    }

    .scene-list-items li {
      position: relative;
      padding-left: 20px;
      font-size: 14px;
      color: var(--color-muted);
      margin-bottom: 8px;
    }

    .scene-list-items li::before {
      content: '';
      position: absolute;
      left: 2px;
      top: 9px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    }

    /* ===== 流程 ===== */
    .process-track {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .process-step {
      padding: 28px 24px;
    }

    .process-step .step-no {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
      color: #fff;
      font-weight: 700;
      font-size: 14px;
      margin-bottom: 18px;
      box-shadow: 0 0 16px rgba(46, 107, 255, 0.3);
    }

    .process-step h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--color-text);
      margin-bottom: 10px;
    }

    .process-step p {
      font-size: 14px;
      color: var(--color-muted);
      line-height: 1.7;
    }

    /* ===== 数据服务保障 ===== */
    .data-section {
      background: rgba(13, 20, 40, 0.6);
      border-top: 1px solid var(--border-soft);
      border-bottom: 1px solid var(--border-soft);
    }

    .data-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .data-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 40px 24px;
      text-align: center;
    }

    .data-num {
      font-size: 34px;
      font-weight: 800;
      letter-spacing: -0.5px;
      background: linear-gradient(135deg, var(--color-primary-lighter), var(--color-accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .data-label {
      font-size: 13px;
      color: var(--color-muted);
      margin-top: 8px;
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 760px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-glass);
      border-radius: 14px;
      overflow: hidden;
      transition: all .2s ease;
    }

    .faq-item:hover {
      background: rgba(255, 255, 255, 0.05);
      border-color: rgba(120, 180, 255, 0.24);
    }

    .faq-item summary {
      list-style: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 18px 22px;
      cursor: pointer;
      font-size: 15px;
      font-weight: 500;
      color: var(--color-text);
    }

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

    .faq-arrow {
      flex-shrink: 0;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      border: 1px solid var(--border-glass);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-muted);
      transition: transform .2s ease, color .2s ease, border-color .2s ease;
    }

    .faq-arrow svg {
      width: 14px;
      height: 14px;
    }

    .faq-item[open] .faq-arrow {
      transform: rotate(180deg);
      color: var(--color-primary-lighter);
      border-color: rgba(46, 107, 255, 0.4);
    }

    .faq-body {
      padding: 0 22px 18px;
      font-size: 14px;
      color: var(--color-muted);
      line-height: 1.75;
    }

    /* ===== CTA ===== */
    .cta-banner {
      padding: 76px 0;
      position: relative;
      background-image: linear-gradient(rgba(46, 107, 255, 0.08), rgba(10, 15, 30, 0.85)), url('/assets/images/backpic/back-3.png');
      background-size: cover;
      background-position: center;
    }

    .cta-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(10, 15, 30, 0.92) 0%, rgba(10, 15, 30, 0.70) 60%, rgba(46, 107, 255, 0.15) 100%);
    }

    .cta-inner {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
      flex-wrap: wrap;
    }

    .cta-copy {
      max-width: 640px;
    }

    .cta-copy h2 {
      font-size: 30px;
      font-weight: 700;
      color: var(--color-text);
      letter-spacing: -0.5px;
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .cta-copy p {
      font-size: 15px;
      color: var(--color-muted);
      line-height: 1.75;
    }

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

    /* ===== 页脚 ===== */
    .site-footer {
      background: #080C18;
      border-top: 1px solid var(--border-soft);
      padding: 56px 0 28px;
    }

    .footer-grid {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 32px;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
    }

    .footer-brand p {
      font-size: 14px;
      color: var(--color-muted);
      max-width: 320px;
      margin-top: 14px;
      line-height: 1.7;
    }

    .footer-col-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--color-text);
      margin-bottom: 14px;
    }

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

    .footer-links a {
      font-size: 14px;
      color: var(--color-muted);
      transition: color .2s ease;
      width: fit-content;
    }

    .footer-links a:hover {
      color: var(--color-primary-lighter);
    }

    .footer-bottom {
      max-width: 1280px;
      margin: 40px auto 0;
      padding: 20px 32px 0;
      border-top: 1px solid var(--border-soft);
      display: flex;
      justify-content: space-between;
      font-size: 13px;
      color: var(--color-muted);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .section {
        padding: 56px 0;
      }

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

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

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

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

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

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

      .category-hero {
        min-height: 520px;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        padding: 0 20px;
      }

      .footer-bottom {
        padding: 20px 20px 0;
      }
    }

    @media (max-width: 768px) {
      .container {
        padding: 0 20px;
      }

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

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

      .cta-banner {
        padding: 56px 0;
      }
    }

    @media (max-width: 640px) {
      .container {
        padding: 0 16px;
      }

      .section {
        padding: 48px 0;
      }

      .section-head h2 {
        font-size: 24px;
      }

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

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

      .category-hero {
        min-height: 480px;
      }

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

      .hero-sub {
        font-size: 15px;
      }

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

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

      .hero-trust {
        gap: 8px;
      }

      .trust-item {
        padding: 6px 12px;
        font-size: 12px;
      }

      .scene-visual img {
        height: 200px;
      }

      .scene-text h3 {
        font-size: 20px;
      }

      .cta-inner {
        flex-direction: column;
        align-items: flex-start;
      }

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

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

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

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

      .footer-bottom {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
      }
    }