/* roulang page: index */
:root {
  --primary: #0F5C5B;
  --primary-dark: #0B4847;
  --primary-light: rgba(15, 92, 91, 0.08);
  --accent: #E8A13D;
  --accent-hover: #F0B557;
  --bg: #FAF8F5;
  --white: #FFFFFF;
  --text: #2A2E2D;
  --text-light: #6F7875;
  --border: #E2E5E4;
  --success: #3A9D73;
  --warning: #D98324;
  --disabled: #C8CCCB;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(15, 44, 43, 0.06);
  --shadow-lg: 0 8px 24px rgba(15, 44, 43, 0.10);
  --sidebar-w: 240px;
  --space-xl: 80px;
  --space-lg: 56px;
  --space-md: 32px;
  --space-sm: 16px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s, border-color .2s, box-shadow .2s; }
a:hover { color: var(--primary-dark); text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: 16px; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.text-light { color: var(--text-light); }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0 28px; height: 44px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; line-height: 1; white-space: nowrap;
  border: 1px solid transparent; transition: all .25s ease;
  text-decoration: none !important;
}
.btn-primary { background: var(--accent); color: var(--white); border-color: var(--accent); }
.btn-primary:hover, .btn-primary:focus { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(232,161,61,.3); color: var(--white); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover, .btn-outline:focus { background: var(--primary-light); border-color: var(--primary); color: var(--primary-dark); }
.btn-white { background: var(--white); color: var(--primary); border-color: var(--white); }
.btn-white:hover { background: var(--primary-light); color: var(--primary-dark); }
.btn-lg { height: 48px; padding: 0 36px; font-size: 16px; }
.btn-block { width: 100%; }

/* 徽标 */
.badge {
  display: inline-block; padding: 3px 12px; border-radius: 999px;
  background: var(--primary-light); color: var(--primary);
  font-size: 12px; font-weight: 500; line-height: 1.6;
}
.badge-solid { background: var(--primary); color: var(--white); }
.badge-accent { background: rgba(232,161,61,.15); color: #B97E2A; }

/* 卡片 */
.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
  transition: box-shadow .3s ease, transform .3s ease;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }

/* 侧边栏 */
.sidebar {
  position: fixed; top: 0; left: 0; width: var(--sidebar-w); height: 100vh;
  background: var(--primary); z-index: 1000;
  display: flex; flex-direction: column; transition: transform .3s ease;
}
.sidebar-logo {
  height: 72px; padding: 0 20px; display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.14); flex-shrink: 0;
}
.logo-mark {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800; letter-spacing: .5px; flex-shrink: 0;
}
.logo-text { color: var(--white); font-size: 15px; font-weight: 600; line-height: 1.3; }
.sidebar-nav { flex: 1; padding: 16px 0; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  height: 44px; padding: 0 20px; color: rgba(255,255,255,0.75);
  font-size: 15px; font-weight: 500; border-left: 3px solid transparent;
  transition: all .2s;
}
.nav-item i { width: 20px; text-align: center; font-size: 15px; }
.nav-item:hover {
  color: var(--white); background: rgba(255,255,255,0.06); text-decoration: none;
}
.nav-item.active {
  color: var(--white); border-left-color: var(--accent);
  background: var(--primary-light);
  font-weight: 600;
}
.sidebar-bottom { padding: 16px; border-top: 1px solid rgba(255,255,255,0.14); flex-shrink: 0; }
.status-card {
  background: rgba(255,255,255,0.08); border-radius: var(--radius-md);
  padding: 12px 14px; display: flex; align-items: center; gap: 10px;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); flex-shrink: 0; }
.status-card span { color: rgba(255,255,255,0.9); font-size: 12px; line-height: 1.4; }

/* 移动端顶栏 */
.mobile-header {
  display: none; position: sticky; top: 0; height: 60px;
  background: var(--white); z-index: 999;
  padding: 0 16px; align-items: center; justify-content: space-between;
  box-shadow: 0 2px 8px rgba(15,44,43,0.06);
}
.mobile-logo { display: flex; align-items: center; gap: 8px; }
.mobile-logo .logo-mark { width: 32px; height: 32px; font-size: 14px; }
.mobile-logo .logo-text { color: var(--primary); font-size: 15px; font-weight: 600; }
.hamburger {
  width: 40px; height: 40px; border: none; background: transparent;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.hamburger span { display: block; width: 20px; height: 2px; background: var(--primary); border-radius: 2px; }

/* 抽屉 */
.drawer-backdrop {
  display: none; position: fixed; inset: 0; background: rgba(15,44,43,0.5);
  z-index: 1200; opacity: 0; transition: opacity .3s;
}
.drawer-backdrop.show { display: block; opacity: 1; }
.mobile-drawer {
  position: fixed; top: 0; left: 0; width: 280px; height: 100vh;
  background: var(--primary); z-index: 1300;
  transform: translateX(-100%); transition: transform .3s ease;
  display: flex; flex-direction: column; padding: 20px 0;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-close {
  position: absolute; top: 16px; right: 16px; width: 32px; height: 32px;
  border: none; background: rgba(255,255,255,0.12); border-radius: 50%;
  color: var(--white); font-size: 18px; display: flex; align-items: center; justify-content: center;
}
.drawer-logo { padding: 0 24px; display: flex; align-items: center; gap: 10px; margin-bottom: 30px; }
.drawer-logo .logo-text { color: var(--white); }
.drawer-nav { flex: 1; }
.drawer-nav .nav-item { font-size: 16px; padding: 0 24px; }
.drawer-back-top {
  margin: 16px 24px 0; padding: 10px 0; border: 1px solid rgba(255,255,255,0.25);
  background: transparent; color: var(--white); border-radius: var(--radius-sm);
  font-size: 14px; transition: all .2s;
}
.drawer-back-top:hover { background: rgba(255,255,255,0.1); }

/* 主内容区 */
.site-wrapper { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }
.main-content { flex: 1; }

/* Hero 指标看板 */
.hero {
  position: relative; background: var(--primary); color: var(--white);
  padding: var(--space-xl) 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(15,92,91,0.95) 0%, rgba(15,92,91,0.88) 55%, rgba(15,92,91,0.75) 100%);
}
.hero-inner { position: relative; z-index: 2; }
.hero h1 {
  font-size: 32px; font-weight: 700; line-height: 1.3; margin-bottom: 16px;
  max-width: 560px;
}
.hero-sub {
  font-size: 16px; line-height: 1.7; color: rgba(255,255,255,0.85);
  max-width: 500px; margin-bottom: 28px;
}
.hero .btn { margin-top: 4px; }
.kpi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.kpi-card {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md); padding: 20px 16px; text-align: center;
  backdrop-filter: blur(4px);
}
.kpi-card .kpi-num {
  font-size: 28px; font-weight: 700; color: var(--white);
  font-variant-numeric: tabular-nums; line-height: 1.2; display: block;
}
.kpi-card .kpi-label {
  font-size: 12px; color: rgba(255,255,255,0.7); margin-top: 6px; display: block;
}

/* 板块通用 */
.section { padding: var(--space-xl) 0; }
.section-sm { padding: var(--space-lg) 0; }
.section-title { font-size: 26px; font-weight: 700; margin-bottom: 12px; }
.section-sub { font-size: 15px; color: var(--text-light); margin-bottom: 32px; }
.section-head { margin-bottom: 36px; }

/* 资讯区 */
.news-section { background: var(--bg); }
.feature-card {
  display: flex; background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: box-shadow .3s ease, transform .3s ease; text-decoration: none !important;
  height: 100%; border: 1px solid var(--border);
}
.feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.feature-card-image { flex: 0 0 58%; max-height: 260px; overflow: hidden; background: var(--primary-light); }
.feature-card-image img { width: 100%; height: 100%; object-fit: cover; }
.feature-card-body { flex: 1; padding: 24px; display: flex; flex-direction: column; }
.feature-card-body .badge { align-self: flex-start; margin-bottom: 12px; }
.feature-card-body h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; color: var(--text); line-height: 1.4; }
.feature-card-body p { font-size: 14px; color: var(--text-light); flex: 1; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-card {
  display: flex; gap: 14px; background: var(--white); border-radius: var(--radius-md);
  padding: 14px; box-shadow: var(--shadow-sm); margin-bottom: 14px;
  transition: box-shadow .3s ease, transform .3s ease; text-decoration: none !important;
  border: 1px solid var(--border); align-items: flex-start;
}
.list-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.list-card-thumb { width: 96px; height: 80px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; background: var(--primary-light); }
.list-card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.list-card-body { flex: 1; min-width: 0; }
.list-card-body h4 { font-size: 15px; font-weight: 600; margin: 2px 0 6px; color: var(--text); line-height: 1.4; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-card-body p { font-size: 13px; color: var(--text-light); margin-bottom: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-card-body .meta { font-size: 12px; color: var(--text-light); }
.empty-state {
  text-align: center; padding: 48px 20px; background: var(--white);
  border: 1px dashed var(--border); border-radius: var(--radius-md);
  color: var(--text-light); font-size: 15px;
  grid-column: 1 / -1;
}

/* 服务流程区 */
.process-section { background: var(--white); }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.step-item { text-align: center; position: relative; padding: 0 8px; }
.step-dot {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 16px;
  background: var(--primary); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700; position: relative; z-index: 2;
  box-shadow: 0 4px 12px rgba(15,92,91,0.25);
}
.step-item:not(:last-child)::after {
  content: ''; position: absolute; top: 28px; right: -50%;
  width: 100%; border-top: 2px dashed var(--border); z-index: 1;
}
.step-item h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.step-item p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

/* 功能矩阵 */
.func-list { margin-top: var(--space-lg); max-width: 900px; margin-left: auto; margin-right: auto; }
.func-row {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 20px 0; border-bottom: 1px solid var(--border);
}
.func-row:last-child { border-bottom: none; }
.func-name { display: flex; align-items: center; gap: 14px; font-size: 16px; font-weight: 600; color: var(--text); flex: 0 0 260px; }
.func-name i { color: var(--primary); font-size: 20px; width: 24px; text-align: center; }
.func-desc { font-size: 14px; color: var(--text-light); flex: 1; }
.func-link { font-size: 14px; font-weight: 500; white-space: nowrap; }
.func-link i { margin-left: 4px; font-size: 12px; }

/* 结果对比区 */
.compare-section { background: var(--bg); }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.compare-card {
  border-radius: var(--radius-md); padding: 32px 24px; position: relative;
  height: 100%; display: flex; flex-direction: column;
}
.compare-card.traditional { background: #F0EFED; border: 1px solid #E2E0DE; color: var(--text-light); }
.compare-card.modern {
  background: var(--white); border: 2px solid var(--primary);
  box-shadow: var(--shadow-lg);
}
.badge-corner {
  position: absolute; top: -12px; right: 20px;
  background: var(--accent); color: var(--white);
  padding: 4px 16px; border-radius: 999px; font-size: 13px; font-weight: 600;
  box-shadow: 0 2px 8px rgba(232,161,61,.4);
}
.compare-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 20px; }
.compare-card h3 i { margin-right: 8px; font-size: 20px; }
.compare-card.traditional h3 i { color: var(--disabled); }
.compare-card.modern h3 i { color: var(--success); }
.compare-list { flex: 1; }
.compare-list li {
  display: flex; align-items: flex-start; gap: 10px; margin-bottom: 16px;
  font-size: 15px; line-height: 1.5;
}
.compare-list li i { margin-top: 3px; font-size: 14px; flex-shrink: 0; }
.compare-card.traditional .compare-list li i { color: var(--disabled); }
.compare-card.modern .compare-list li i { color: var(--success); }
.compare-card .btn { margin-top: 20px; align-self: flex-start; }

/* 安全区 */
.security-section {
  position: relative; background: var(--primary); color: var(--white);
  padding: var(--space-xl) 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover; background-position: center;
}
.security-section::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(15,92,91,0.92);
}
.security-inner { position: relative; z-index: 2; }
.security-section .section-title { color: var(--white); }
.security-section .section-sub { color: rgba(255,255,255,0.7); }
.security-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.security-card {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md); padding: 24px 18px; text-align: center;
  transition: background .3s;
}
.security-card:hover { background: rgba(255,255,255,0.14); }
.security-card i { font-size: 30px; margin-bottom: 14px; color: var(--accent); display: block; }
.security-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.security-card p { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.6; }

/* FAQ区 */
.faq-section { background: var(--white); }
.faq-container { max-width: 780px; margin: 0 auto; }
.faq-box {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-md); margin-bottom: 12px;
  box-shadow: var(--shadow-sm); overflow: hidden;
}
.faq-box .faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 18px 22px; border: none; background: transparent;
  font-size: 16px; font-weight: 600; color: var(--text); text-align: left;
  transition: color .2s;
}
.faq-box .faq-q:hover { color: var(--primary); }
.faq-box .faq-q i { font-size: 14px; color: var(--text-light); transition: transform .3s; }
.faq-box.active .faq-q { color: var(--primary); }
.faq-box.active .faq-q i { transform: rotate(180deg); color: var(--primary); }
.faq-box .faq-a {
  padding: 0 22px 18px; font-size: 15px; line-height: 1.7;
  color: var(--text-light); display: none;
}
.faq-box.active .faq-a { display: block; }

/* CTA 表单区 */
.cta-section {
  position: relative; padding: var(--space-xl) 0;
  background: var(--primary);
  background-image: url('/assets/images/backpic/back-3.webp');
  background-size: cover; background-position: center;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(15,92,91,0.93);
}
.cta-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.cta-info h2 { color: var(--white); font-size: 28px; font-weight: 700; margin-bottom: 14px; }
.cta-info p { color: rgba(255,255,255,0.8); font-size: 15px; line-height: 1.7; margin-bottom: 20px; }
.cta-points li { color: rgba(255,255,255,0.75); font-size: 14px; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.cta-points li i { color: var(--accent); font-size: 14px; }
.cta-form {
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg); padding: 32px; backdrop-filter: blur(8px);
}
.cta-form label { color: rgba(255,255,255,0.9); font-size: 14px; font-weight: 500; margin-bottom: 6px; display: block; }
.cta-form input {
  width: 100%; height: 46px; border: 1px solid #D5DBDA; border-radius: var(--radius-sm);
  padding: 0 14px; font-size: 16px; color: var(--text); margin-bottom: 16px;
  transition: border-color .2s, box-shadow .2s; background: var(--white);
}
.cta-form input:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,92,91,0.15);
}
.cta-form .btn { width: 100%; margin-top: 4px; }
.cta-form .form-meta {
  margin-top: 14px; color: rgba(255,255,255,0.6);
  font-size: 12px; line-height: 1.5; text-align: center;
}

/* 页脚 */
.footer {
  background: #F0EEEA; padding: 56px 0 24px;
  border-top: 1px solid var(--border);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo-mark { margin-bottom: 14px; }
.footer-brand p { font-size: 14px; color: var(--text-light); line-height: 1.7; max-width: 280px; }
.footer h4 { font-size: 15px; font-weight: 600; margin-bottom: 16px; color: var(--text); }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 14px; color: var(--text-light); }
.footer-links a:hover { color: var(--primary); text-decoration: none; }
.footer-help { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.footer-help .phone { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 4px; display: block; }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 24px;
  font-size: 13px; color: var(--text-light); text-align: center;
}

/* 响应式 */
@media (max-width: 1023px) {
  .sidebar { transform: translateX(-100%); }
  .site-wrapper { margin-left: 0; }
  .mobile-header { display: flex; }
  .hero h1 { font-size: 28px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
  .step-item:not(:last-child)::after { display: none; }
  .security-grid { grid-template-columns: 1fr 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .cta-inner { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .section { padding: 56px 0; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .hero { padding: 48px 0; }
  .hero h1 { font-size: 24px; }
  .kpi-grid { gap: 12px; }
  .kpi-card { padding: 16px 10px; }
  .kpi-card .kpi-num { font-size: 22px; }
  .process-steps { grid-template-columns: 1fr; }
  .func-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .func-name { flex: none; }
  .security-grid { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .feature-card { flex-direction: column; }
  .feature-card-image { flex: none; max-height: 200px; }
  .section { padding: 48px 0; }
  .section-title { font-size: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .cta-form { padding: 24px; }
  .btn { width: 100%; }
  .compare-card .btn { width: 100%; }
  .list-card { flex-direction: row; }
  .list-card-thumb { width: 80px; height: 68px; }
}

/* roulang page: article */
:root {
  --primary: #0F5C5B;
  --primary-hover: #0B4847;
  --primary-light: rgba(15, 92, 91, 0.08);
  --accent: #E8A13D;
  --accent-hover: #F0B557;
  --bg: #FAF8F5;
  --card: #FFFFFF;
  --text: #2A2E2D;
  --text-secondary: #6F7875;
  --border: #E2E5E4;
  --success: #3A9D73;
  --warning: #D98324;
  --disabled: #C8CCCB;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(15, 44, 43, 0.06);
  --shadow-hover: 0 8px 24px rgba(15, 44, 43, 0.10);
  --space-lg: 80px;
  --space-md: 56px;
  --space-sm: 32px;
  --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--primary-hover); text-decoration: underline; }
img { max-width: 100%; display: block; border-radius: var(--radius-md); }
button, input, select, textarea { font-family: inherit; }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.app-shell { display: flex; min-height: 100vh; }
/* 侧边栏 */
.sidebar {
  width: 240px;
  min-height: 100vh;
  background: var(--primary);
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease;
}
.sidebar-brand {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.logo-mark {
  width: 38px;
  height: 38px;
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.brand-name {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-nav {
  flex: 1;
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 44px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.82);
  font-size: 15px;
  font-weight: 500;
  transition: background .2s ease, color .2s ease, transform .15s ease;
}
.nav-item i { width: 18px; text-align: center; font-size: 15px; }
.nav-item:hover { background: rgba(255,255,255,0.1); color: #fff; text-decoration: none; transform: translateX(2px); }
.nav-item.active {
  background: var(--primary-light);
  color: var(--accent);
  box-shadow: inset 3px 0 0 var(--accent);
}
.sidebar-status {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  background: rgba(0,0,0,0.08);
}
.status-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; display: inline-block; }
/* 主区域 */
.main-wrapper {
  flex: 1;
  margin-left: 240px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.main-content { flex: 1; padding: 48px 24px 0; }
/* 移动端头部 */
.mobile-header {
  display: none;
  height: 60px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 90;
  box-shadow: 0 1px 4px rgba(15,44,43,0.04);
}
.mobile-header .logo-mark { width: 32px; height: 32px; font-size: 14px; }
.mobile-header .brand-name { color: var(--primary); font-size: 15px; }
.hamburger-btn {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--primary);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background .2s ease;
}
.hamburger-btn:hover { background: var(--primary-light); }
/* 移动端抽屉 */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
  transition: opacity .3s ease, visibility .3s ease;
}
.mobile-drawer.open { pointer-events: auto; visibility: visible; opacity: 1; }
.drawer-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15,44,43,0.45);
}
.drawer-panel {
  position: absolute;
  top: 0;
  left: 0;
  width: 280px;
  height: 100%;
  background: var(--primary);
  padding: 24px 20px;
  transform: translateX(-100%);
  transition: transform .3s ease;
  display: flex;
  flex-direction: column;
}
.mobile-drawer.open .drawer-panel { transform: translateX(0); }
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.drawer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 15px; font-weight: 600; }
.drawer-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease;
}
.drawer-close:hover { background: rgba(255,255,255,0.12); }
.drawer-nav { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.drawer-nav .nav-item {
  color: rgba(255,255,255,0.85);
  padding: 0 14px;
  border-radius: var(--radius-sm);
  font-size: 15px;
}
.drawer-nav .nav-item.active { color: var(--accent); background: rgba(255,255,255,0.08); }
.drawer-footer {
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}
.drawer-footer button {
  background: transparent;
  border: none;
  color: rgba(255,255,255,0.8);
  font-size: 13px;
  cursor: pointer;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: background .2s ease;
}
.drawer-footer button:hover { background: rgba(255,255,255,0.08); color: #fff; }
/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  gap: 8px;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb i { font-size: 10px; color: #B5BDB9; }
.breadcrumb .current { color: var(--text); font-weight: 500; }
/* 文章头 */
.article-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 48px;
}
.article-header {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.article-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 14px;
  color: var(--text-secondary);
}
.meta-item { display: flex; align-items: center; gap: 6px; }
.meta-item i { font-size: 13px; color: var(--primary); }
.meta-badge {
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}
/* 正文 */
.article-body {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  margin-bottom: 40px;
}
.article-content { max-width: 720px; margin: 0 auto; }
.article-content p, .article-content ul, .article-content ol {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
  color: var(--text);
}
.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--text);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--text);
}
.article-content blockquote {
  border-left: 3px solid var(--accent);
  background: #FFF9F0;
  padding: 16px 20px;
  color: var(--text-secondary);
  margin: 24px 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 15px;
}
.article-content pre {
  background: #F2F4F3;
  padding: 20px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
}
.article-content code {
  background: #F2F4F3;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 14px;
}
.article-content pre code {
  background: none;
  padding: 0;
}
.article-content img {
  border-radius: 8px;
  margin: 24px 0;
}
.not-found {
  text-align: center;
  padding: 60px 20px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
  margin-bottom: 24px;
}
.not-found i {
  font-size: 44px;
  color: var(--disabled);
  margin-bottom: 16px;
  display: block;
}
.not-found p {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff !important;
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  transition: background .2s ease, transform .15s ease;
}
.btn-back:hover {
  background: var(--primary-hover);
  text-decoration: none;
  transform: translateY(-2px);
}
/* 相关推荐 */
.related-section {
  padding: 0 0 80px;
}
.related-section .section-title {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 8px;
}
.related-subtitle {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 32px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.rel-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .25s ease, transform .25s ease;
}
.rel-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  text-decoration: none;
}
.rel-cover { flex: 0 0 45%; min-height: 160px; background: var(--primary-light); overflow: hidden; }
.rel-cover img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
.rel-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; }
.rel-badge {
  align-self: flex-start;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
}
.rel-body h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin: 0;
}
.rel-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}
/* CTA */
.cta-section {
  background: var(--primary);
  padding: 64px 24px;
}
.cta-card {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.cta-info h2 {
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-info p {
  color: rgba(255,255,255,0.8);
  font-size: 16px;
  line-height: 1.7;
}
.login-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow-hover);
}
.form-input {
  width: 100%;
  height: 46px;
  border: 1px solid #D5DBDA;
  border-radius: var(--radius-sm);
  padding: 0 16px;
  font-size: 15px;
  transition: border-color .2s ease, box-shadow .2s ease, outline .2s ease;
  outline: none;
}
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 92, 91, 0.15);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #fff !important;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s ease, transform .15s ease;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); text-decoration: none; }
.btn-block { width: 100%; height: 48px; }
.form-note {
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
  margin: 0;
}
/* 页脚 */
.footer {
  background: #F0EEEA;
  padding: 64px 0 0;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 48px;
}
.footer-brand .logo-mark {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 300px;
}
.footer h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color .2s ease;
}
.footer-links a:hover { color: var(--primary); text-decoration: none; }
.footer-help p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}
.footer-help .phone {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin: 8px 0;
  letter-spacing: 0.5px;
}
.footer-bottom {
  border-top: 1px solid #E0DED9;
  padding: 20px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-secondary);
}
/* 响应式 */
@media (max-width: 1023px) {
  .sidebar { transform: translateX(-100%); }
  .main-wrapper { margin-left: 0; }
  .mobile-header { display: flex; }
  .main-content { padding: 32px 16px 0; }
  .article-container { padding: 0 0 40px; }
  .article-header, .article-body { padding: 32px 24px; }
  .article-title { font-size: 26px; }
  .cta-card { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .main-content { padding: 24px 16px 0; }
  .article-header { padding: 24px 20px; }
  .article-title { font-size: 22px; line-height: 1.4; }
  .article-body { padding: 24px 20px; }
  .article-content p { font-size: 15px; }
  .related-grid { grid-template-columns: 1fr; }
  .rel-card { flex-direction: column; }
  .rel-cover { flex: none; height: 160px; }
  .cta-section { padding: 48px 16px; }
  .login-form { padding: 24px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
  .footer-bottom { text-align: left; }
}
@media (max-width: 520px) {
  .breadcrumb { font-size: 12px; }
  .article-meta { font-size: 13px; }
  .btn-primary { min-height: 44px; }
}

/* roulang page: category1 */
:root {
    --primary: #0F5C5B;
    --primary-hover: #0B4847;
    --accent: #E8A13D;
    --accent-hover: #F0B557;
    --bg: #FAF8F5;
    --card: #FFFFFF;
    --text: #2A2E2D;
    --muted: #6F7875;
    --border: #E2E5E4;
    --success: #3A9D73;
    --warning: #D98324;
    --disabled: #C8CCCB;
    --radius-btn: 6px;
    --radius-card: 10px;
    --radius-img: 12px;
    --radius-badge: 999px;
    --shadow-card: 0 2px 8px rgba(15, 44, 43, 0.06);
    --shadow-hover: 0 8px 24px rgba(15, 44, 43, 0.10);
    --sidebar-w: 240px;
    --space-lg: 80px;
    --space-md: 56px;
    --space-sm: 32px;
    --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  }

  * { box-sizing: border-box; }

  html, body {
    margin: 0;
    padding: 0;
  }

  body {
    font-family: var(--font-stack);
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
  }

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

  a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
  a:hover { text-decoration: underline; }

  input, button, select, textarea {
    font-family: inherit;
    font-size: 14px;
  }

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

  .section { padding: var(--space-lg) 0; }

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

  .section-head h2,
  .section-head p {
    margin: 0;
  }

  .section-head h2 {
    font-size: 26px;
    line-height: 1.4;
    color: var(--text);
    margin-bottom: 10px;
  }

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

  h1, h2, h3, h4 {
    margin-top: 0;
    color: var(--text);
  }

  h1 { font-size: 34px; line-height: 1.35; }
  h2 { font-size: 26px; line-height: 1.4; }
  h3 { font-size: 20px; line-height: 1.45; }
  h4 { font-size: 16px; line-height: 1.5; }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background .2s ease, box-shadow .2s ease, transform .2s ease, border-color .2s ease;
    white-space: nowrap;
  }

  .btn:hover { text-decoration: none; }

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

  .btn-accent:hover {
    background: var(--accent-hover);
    color: #fff;
    box-shadow: 0 4px 14px rgba(232, 161, 61, 0.4);
  }

  .btn-accent:active {
    transform: translateY(1px);
    background: #d48f2e;
  }

  .btn-outline-light {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.7);
  }

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

  .btn-block {
    width: 100%;
    height: 48px;
  }

  .btn-text {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    transition: color .2s ease;
  }

  .btn-text:hover {
    color: var(--primary-hover);
    text-decoration: none;
  }

  .btn-text i {
    font-size: 13px;
    transition: transform .2s ease;
  }

  .btn-text:hover i {
    transform: translateX(3px);
  }

  /* ===== Sidebar ===== */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-w);
    background: var(--primary);
    z-index: 1000;
    display: flex;
    flex-direction: column;
  }

  .sidebar-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
  }

  .close-sidebar {
    display: none;
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.14);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    z-index: 10;
  }

  .close-sidebar:hover {
    background: rgba(255, 255, 255, 0.25);
  }

  .logo-area {
    height: 72px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    flex-shrink: 0;
  }

  .brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
  }

  .brand-link:hover { text-decoration: none; }

  .logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 0.02em;
    flex-shrink: 0;
  }

  .logo-text {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
  }

  .sidebar-nav {
    padding: 20px 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 44px;
    padding: 0 20px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 15px;
    font-weight: 500;
    border-left: 3px solid transparent;
    transition: background .2s ease, color .2s ease, border-color .2s ease;
    text-decoration: none;
  }

  .nav-item i {
    width: 18px;
    text-align: center;
    font-size: 15px;
  }

  .nav-item:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    text-decoration: none;
  }

  .nav-item.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    border-left-color: var(--accent);
  }

  .sidebar-status {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 12px;
    line-height: 1.5;
    flex-shrink: 0;
  }

  .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 3px rgba(58, 157, 115, 0.25);
    flex-shrink: 0;
  }

  /* Mobile header */
  .mobile-header {
    display: none;
    height: 60px;
    background: #fff;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    position: sticky;
    top: 0;
    z-index: 900;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 8px rgba(15, 44, 43, 0.05);
  }

  .mobile-header .brand-link {
    color: var(--text);
  }

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

  .mobile-header .logo-mark {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }

  .hamburger {
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-btn);
    color: var(--primary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background .2s ease, border-color .2s ease;
  }

  .hamburger:hover {
    background: rgba(15, 92, 91, 0.08);
    border-color: var(--primary);
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 44, 43, 0.45);
    z-index: 990;
  }

  /* Main wrap */
  .page-wrap {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  main {
    flex: 1;
  }

  /* ===== Hero ===== */
  .category-hero {
    position: relative;
    padding: 88px 0;
    background: linear-gradient(100deg, rgba(15, 92, 91, 0.94) 0%, rgba(15, 92, 91, 0.84) 55%, rgba(8, 60, 60, 0.72) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    color: #fff;
  }

  .category-hero .container {
    position: relative;
  }

  .hero-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-badge);
    padding: 6px 16px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 24px;
  }

  .hero-breadcrumb i {
    font-size: 10px;
    color: var(--accent);
  }

  .category-hero h1 {
    color: #fff;
    margin-bottom: 16px;
    max-width: 760px;
  }

  .category-hero .hero-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
    max-width: 680px;
    margin: 0 0 28px;
  }

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

  /* ===== Intro Section ===== */
  .intro-section {
    background: var(--bg);
  }

  .intro-section h2 {
    margin-bottom: 16px;
  }

  .intro-section p {
    color: var(--muted);
    margin-bottom: 16px;
  }

  .feature-list {
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
  }

  .feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--text);
  }

  .feature-list li i {
    color: var(--success);
    font-size: 17px;
    flex-shrink: 0;
  }

  .intro-media {
    border-radius: var(--radius-img);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    background: #fff;
    border: 1px solid var(--border);
  }

  .intro-media img {
    width: 100%;
    height: 320px;
    object-fit: cover;
  }

  /* ===== Cards Section ===== */
  .cards-section {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .guide-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: box-shadow .25s ease, transform .25s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
  }

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

  .guide-card-media {
    height: 160px;
    overflow: hidden;
    background: rgba(15, 92, 91, 0.08);
    position: relative;
  }

  .guide-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

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

  .guide-card-body h3 {
    font-size: 17px;
    margin-bottom: 10px;
  }

  .guide-card-body p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--muted);
    margin: 0 0 16px;
    flex: 1;
  }

  .guide-card-body .btn-text {
    margin-top: auto;
  }

  /* ===== Scenario Section ===== */
  .scenario-section {
    background: var(--bg);
  }

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

  .scenario-item {
    display: flex;
    gap: 16px;
    background: var(--card);
    padding: 24px;
    border-radius: var(--radius-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    transition: box-shadow .25s ease, transform .25s ease;
  }

  .scenario-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
  }

  .scenario-icon {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: rgba(15, 92, 91, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
  }

  .scenario-item h3 {
    font-size: 16px;
    margin-bottom: 6px;
  }

  .scenario-item p {
    font-size: 14px;
    color: var(--muted);
    margin: 0;
    line-height: 1.65;
  }

  /* ===== Flow Section ===== */
  .flow-section {
    background: #fff;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .flow-steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    position: relative;
  }

  .flow-step {
    flex: 1;
    text-align: center;
    position: relative;
    padding-top: 8px;
  }

  .step-node {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0 auto 16px;
    position: relative;
    z-index: 2;
    box-shadow: 0 0 0 6px rgba(15, 92, 91, 0.1);
  }

  .flow-step + .flow-step::before {
    content: '';
    position: absolute;
    top: 36px;
    left: -12px;
    width: calc(100% - 32px);
    border-top: 2px dashed var(--border);
    z-index: 1;
  }

  .flow-step h3 {
    font-size: 16px;
    margin-bottom: 8px;
  }

  .flow-step p {
    font-size: 14px;
    color: var(--muted);
    margin: 0;
    line-height: 1.65;
    max-width: 200px;
    margin-left: auto;
    margin-right: auto;
  }

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

  .accordion {
    background: transparent;
    margin: 0;
  }

  .accordion-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    margin-bottom: 14px;
    box-shadow: var(--shadow-card);
    transition: box-shadow .2s ease;
  }

  .accordion-item:hover {
    box-shadow: var(--shadow-hover);
  }

  .accordion-item.is-active {
    border-color: rgba(15, 92, 91, 0.3);
  }

  .accordion-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    padding: 18px 44px 18px 20px;
    line-height: 1.5;
    border-bottom: 1px solid transparent;
    position: relative;
  }

  .accordion-title:hover,
  .accordion-title:focus {
    color: var(--primary);
    background: transparent;
  }

  .accordion-item.is-active .accordion-title {
    color: var(--primary);
    border-bottom-color: var(--border);
  }

  .accordion-title::before,
  .accordion-title::after {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: transform .2s ease, opacity .2s ease;
  }

  .accordion-title::after {
    transform: translateY(-50%) rotate(90deg);
  }

  .accordion-item.is-active .accordion-title::after {
    transform: translateY(-50%) rotate(0deg);
    opacity: 0;
  }

  .accordion-content {
    padding: 16px 20px;
    font-size: 15px;
    color: var(--muted);
    line-height: 1.75;
    border-bottom-left-radius: var(--radius-card);
    border-bottom-right-radius: var(--radius-card);
  }

  .accordion-content p {
    margin: 0;
  }

  /* ===== CTA Section ===== */
  .cta-section {
    padding: var(--space-lg) 0;
    background: var(--bg);
  }

  .cta-box {
    background: linear-gradient(120deg, rgba(15, 92, 91, 0.97), rgba(11, 72, 71, 0.95)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    border-radius: 16px;
    padding: 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    box-shadow: 0 12px 36px rgba(15, 44, 43, 0.18);
  }

  .cta-left h2 {
    color: #fff;
    margin-bottom: 12px;
  }

  .cta-left p {
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    font-size: 15px;
  }

  .cta-form {
    background: #fff;
    padding: 28px;
    border-radius: var(--radius-card);
    box-shadow: 0 4px 16px rgba(15, 44, 43, 0.15);
  }

  .form-group {
    margin-bottom: 16px;
  }

  .form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
  }

  .form-group input {
    width: 100%;
    height: 46px;
    border: 1px solid #D5DBDA;
    border-radius: var(--radius-btn);
    padding: 0 14px;
    font-size: 15px;
    color: var(--text);
    background: #fff;
    outline: none;
    transition: border-color .2s ease, box-shadow .2s ease;
  }

  .form-group input::placeholder {
    color: #A9B1AF;
  }

  .form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15, 92, 91, 0.15);
  }

  .form-tip {
    font-size: 12px;
    color: var(--muted);
    margin: 14px 0 0;
    line-height: 1.6;
  }

  /* ===== Footer ===== */
  .footer {
    background: #F0EEEA;
    border-top: 1px solid var(--border);
    padding-top: 56px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border);
  }

  .footer-brand .logo-mark {
    margin-bottom: 14px;
  }

  .footer-brand p {
    font-size: 14px;
    color: var(--muted);
    margin: 0 0 0;
    line-height: 1.7;
  }

  .footer h4 {
    font-size: 15px;
    margin-bottom: 14px;
    color: var(--text);
  }

  .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .footer-links li {
    margin-bottom: 8px;
  }

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

  .footer-links a:hover {
    color: var(--primary);
    text-decoration: none;
  }

  .footer-help p {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 10px;
    line-height: 1.6;
  }

  .footer-help .phone {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
  }

  .footer-bottom {
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
  }

  .footer-bottom p {
    font-size: 13px;
    color: #A0A8A5;
    margin: 0;
  }

  /* ===== Responsive ===== */
  @media (max-width: 1023px) {
    .sidebar {
      transform: translateX(-100%);
      transition: transform .3s ease;
      box-shadow: 4px 0 24px rgba(15, 44, 43, 0.15);
    }

    .sidebar.open {
      transform: translateX(0);
    }

    .close-sidebar {
      display: flex;
    }

    .sidebar-overlay.show {
      display: block;
    }

    .mobile-header {
      display: flex;
    }

    .page-wrap {
      margin-left: 0;
    }

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

  @media (max-width: 767px) {
    :root {
      --space-lg: 56px;
      --space-md: 40px;
      --space-sm: 24px;
    }

    .container {
      padding: 0 16px;
    }

    h1 {
      font-size: 28px;
    }

    h2 {
      font-size: 22px;
    }

    .category-hero {
      padding: 56px 0;
    }

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

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

    .intro-media img {
      height: 220px;
    }

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

    .scenario-item {
      padding: 20px;
    }

    .flow-steps {
      flex-direction: column;
      gap: 0;
    }

    .flow-step {
      display: flex;
      gap: 16px;
      text-align: left;
      padding: 16px 0;
    }

    .step-node {
      margin: 0;
      width: 44px;
      height: 44px;
      font-size: 17px;
      flex-shrink: 0;
    }

    .flow-step + .flow-step::before {
      display: none;
    }

    .cta-box {
      padding: 32px 20px;
    }

    .cta-form {
      padding: 20px;
    }

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

  @media (max-width: 520px) {
    .guide-card-media {
      height: 140px;
    }

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

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

    .btn-block {
      width: 100%;
    }
  }

/* roulang page: category2 */
:root {
            --primary: #0F5C5B;
            --primary-hover: #0B4847;
            --accent: #E8A13D;
            --accent-hover: #F0B557;
            --bg: #FAF8F5;
            --card: #FFFFFF;
            --text: #2A2E2D;
            --text-secondary: #6F7875;
            --border: #E2E5E4;
            --success: #3A9D73;
            --warning: #D98324;
            --disabled: #C8CCCB;
            --radius-btn: 6px;
            --radius-card: 10px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 8px rgba(15,44,43,0.06);
            --shadow-hover: 0 8px 24px rgba(15,44,43,0.10);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; }
        a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--primary-hover); text-decoration: underline; }
        img { max-width: 100%; display: block; }
        ul, ol { list-style: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .app-shell { display: flex; min-height: 100vh; }
        .sidebar { width: 240px; background: var(--primary); position: fixed; top: 0; bottom: 0; left: 0; z-index: 100; display: flex; flex-direction: column; }
        .sidebar-logo { height: 72px; display: flex; align-items: center; padding: 0 20px; border-bottom: 1px solid rgba(255,255,255,0.12); gap: 10px; flex-shrink: 0; }
        .logo-mark { width: 36px; height: 36px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; flex-shrink: 0; }
        .sidebar-logo .brand-text { color: #fff; font-weight: 600; font-size: 15px; line-height: 1.4; }
        .sidebar-nav { flex: 1; padding: 20px 12px; display: flex; flex-direction: column; gap: 4px; }
        .nav-item { display: flex; align-items: center; gap: 12px; height: 44px; padding: 0 16px; color: rgba(255,255,255,0.82); border-radius: 6px; font-size: 15px; font-weight: 500; text-decoration: none; transition: all 0.2s ease; position: relative; }
        .nav-item i { width: 18px; text-align: center; font-size: 15px; }
        .nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; text-decoration: none; }
        .nav-item.active { background: rgba(255,255,255,0.08); color: #fff; }
        .nav-item.active::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 3px; height: 24px; background: var(--accent); border-radius: 0 3px 3px 0; }
        .sidebar-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,0.12); flex-shrink: 0; }
        .side-status { background: rgba(255,255,255,0.08); border-radius: 10px; padding: 14px; }
        .side-status .status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); display: inline-block; margin-right: 6px; }
        .side-status p { color: rgba(255,255,255,0.8); font-size: 13px; line-height: 1.5; }
        .side-status .status-text { color: rgba(255,255,255,0.6); font-size: 12px; }
        .main-content { flex: 1; margin-left: 240px; min-height: 100vh; display: flex; flex-direction: column; }
        .mobile-topbar { display: none; height: 60px; background: #fff; border-bottom: 1px solid var(--border); align-items: center; justify-content: space-between; padding: 0 16px; position: sticky; top: 0; z-index: 200; box-shadow: 0 2px 8px rgba(15,44,43,0.04); }
        .mobile-topbar .brand-text-mobile { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; font-size: 15px; text-decoration: none; }
        .mobile-topbar .brand-text-mobile:hover { text-decoration: none; color: var(--text); }
        .mobile-topbar .logo-mark { width: 32px; height: 32px; font-size: 12px; border-radius: 8px; }
        .hamburger-btn { width: 40px; height: 40px; border: none; background: transparent; border-radius: 8px; cursor: pointer; color: var(--primary); font-size: 18px; display: flex; align-items: center; justify-content: center; transition: background 0.2s; }
        .hamburger-btn:hover { background: var(--bg); }
        .drawer-overlay { position: fixed; inset: 0; background: rgba(15,44,43,0.5); z-index: 300; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
        .drawer-overlay.open { opacity: 1; visibility: visible; }
        .drawer { position: fixed; top: 0; bottom: 0; left: 0; width: 280px; background: var(--primary); z-index: 400; transform: translateX(-100%); transition: transform 0.3s ease; display: flex; flex-direction: column; }
        .drawer.open { transform: translateX(0); }
        .drawer-close { position: absolute; top: 16px; right: 16px; width: 32px; height: 32px; border: none; background: rgba(255,255,255,0.12); color: #fff; border-radius: 6px; cursor: pointer; font-size: 14px; transition: background 0.2s; z-index: 10; }
        .drawer-close:hover { background: rgba(255,255,255,0.24); }
        .drawer-logo { height: 72px; display: flex; align-items: center; padding: 0 20px; gap: 10px; border-bottom: 1px solid rgba(255,255,255,0.12); }
        .drawer-logo .brand-text { color: #fff; font-weight: 600; font-size: 15px; }
        .drawer-nav { flex: 1; padding: 20px 16px; display: flex; flex-direction: column; gap: 4px; }
        .drawer-nav .nav-item { color: rgba(255,255,255,0.82); }
        .drawer-nav .nav-item.active { color: var(--accent); background: rgba(255,255,255,0.06); }
        .drawer-footer { padding: 16px; }
        .back-top-btn { width: 100%; height: 40px; border: 1px solid rgba(255,255,255,0.4); background: transparent; color: #fff; border-radius: 6px; cursor: pointer; font-size: 14px; transition: all 0.2s; }
        .back-top-btn:hover { background: rgba(255,255,255,0.1); }
        .category-hero { background: linear-gradient(rgba(15,92,91,0.92), rgba(15,92,91,0.96)), url('/assets/images/backpic/back-1.png') center/cover no-repeat; padding: 88px 0 72px; color: #fff; }
        .category-hero h1 { font-size: 32px; font-weight: 700; line-height: 1.3; margin-bottom: 16px; }
        .category-hero .hero-sub { font-size: 16px; color: rgba(255,255,255,0.78); max-width: 620px; margin-bottom: 28px; line-height: 1.7; }
        .hero-meta { display: flex; gap: 24px; flex-wrap: wrap; }
        .hero-meta-item { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.85); font-size: 14px; }
        .hero-meta-item i { color: var(--accent); font-size: 15px; }
        .section { padding: 80px 0; }
        .section-alt { background: #fff; }
        .section-header { text-align: center; max-width: 720px; margin: 0 auto 48px; }
        .section-header h2 { font-size: 26px; font-weight: 700; color: var(--text); margin-bottom: 12px; }
        .section-header p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; }
        .features-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .feature-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-card); padding: 28px; transition: all 0.3s ease; box-shadow: var(--shadow-card); }
        .feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
        .feature-icon { width: 48px; height: 48px; border-radius: 10px; background: rgba(15,92,91,0.08); display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--primary); margin-bottom: 16px; }
        .feature-card h3 { font-size: 17px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
        .feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
        .flow-section { background: var(--primary); padding: 80px 0; color: #fff; }
        .flow-section .section-header h2 { color: #fff; }
        .flow-section .section-header p { color: rgba(255,255,255,0.7); }
        .flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; }
        .flow-step { text-align: center; position: relative; }
        .flow-step .step-num { width: 56px; height: 56px; border-radius: 50%; background: rgba(255,255,255,0.12); border: 2px solid var(--accent); display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 700; color: var(--accent); margin: 0 auto 16px; }
        .flow-step h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; color: #fff; }
        .flow-step p { font-size: 13px; color: rgba(255,255,255,0.65); line-height: 1.6; }
        .scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .scenario-card { background: var(--card); border-radius: var(--radius-card); overflow: hidden; border: 1px solid var(--border); transition: all 0.3s ease; box-shadow: var(--shadow-card); }
        .scenario-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
        .scenario-card .img-wrap { height: 180px; overflow: hidden; }
        .scenario-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
        .scenario-card:hover .img-wrap img { transform: scale(1.05); }
        .scenario-body { padding: 20px; }
        .badge { display: inline-block; background: rgba(15,92,91,0.08); color: var(--primary); padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; }
        .scenario-body h3 { font-size: 16px; font-weight: 600; color: var(--text); margin: 10px 0 8px; }
        .scenario-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
        .scenario-link { display: inline-block; margin-top: 12px; font-size: 14px; font-weight: 500; color: var(--primary); }
        .scenario-link i { transition: transform 0.2s ease; }
        .scenario-link:hover i { transform: translateX(4px); }
        .compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        .compare-card { background: var(--card); border-radius: var(--radius-card); padding: 28px; border: 1px solid var(--border); position: relative; }
        .compare-card.left { background: #F5F4F2; }
        .compare-card.right { border-color: var(--primary); box-shadow: var(--shadow-card); }
        .recommend-tag { position: absolute; top: -12px; right: 20px; background: var(--accent); color: #fff; padding: 4px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; z-index: 1; }
        .compare-card h3 { font-size: 17px; font-weight: 600; color: var(--text); margin-bottom: 16px; }
        .compare-list { list-style: none; padding: 0; margin: 0 0 20px; }
        .compare-list li { display: flex; gap: 10px; padding: 8px 0; font-size: 14px; color: var(--text); align-items: flex-start; line-height: 1.6; }
        .compare-list li .icon { margin-top: 2px; flex-shrink: 0; }
        .icon-x { color: var(--disabled); }
        .icon-check { color: var(--success); }
        .btn-accent { display: inline-block; height: 48px; line-height: 48px; background: var(--accent); color: #fff; border: none; border-radius: var(--radius-btn); font-size: 16px; font-weight: 600; cursor: pointer; text-align: center; transition: all 0.2s ease; padding: 0 28px; }
        .btn-accent:hover { background: var(--accent-hover); color: #fff; text-decoration: none; }
        .faq-wrap { max-width: 800px; margin: 0 auto; }
        .accordion { background: transparent; border: none; margin: 0; list-style: none; }
        .accordion-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-card); margin-bottom: 12px; overflow: hidden; transition: box-shadow 0.3s ease; }
        .accordion-item:hover { box-shadow: var(--shadow-card); }
        .accordion-title { display: flex; justify-content: space-between; align-items: center; border: none; background: var(--card); color: var(--text); font-family: inherit; font-size: 16px; font-weight: 600; padding: 18px 20px; position: relative; text-decoration: none; transition: color 0.2s ease; }
        .accordion-title:hover, .accordion-title:focus { background: var(--card); color: var(--primary); text-decoration: none; }
        .accordion-title::after { content: '+'; font-family: inherit; color: var(--primary); font-size: 20px; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); transition: transform 0.2s ease; }
        .accordion-item.is-active > .accordion-title { color: var(--primary); }
        .accordion-item.is-active > .accordion-title::after { transform: translateY(-50%) rotate(45deg); }
        .accordion-content { border: none; background: var(--card); padding: 0 20px 18px; color: var(--text-secondary); font-size: 14px; line-height: 1.8; }
        .cta-section { background: var(--primary); padding: 72px 0; color: #fff; }
        .cta-wrap { display: flex; gap: 48px; align-items: center; }
        .cta-left { flex: 1; }
        .cta-left h2 { font-size: 26px; font-weight: 700; margin-bottom: 12px; }
        .cta-left p { color: rgba(255,255,255,0.75); font-size: 15px; max-width: 460px; line-height: 1.7; }
        .cta-form { flex: 1; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius-card); padding: 28px; }
        .cta-form .form-group { margin-bottom: 16px; }
        .cta-form input { width: 100%; height: 46px; border: 1px solid #D5DBDA; border-radius: var(--radius-btn); padding: 0 14px; font-size: 14px; background: #fff; color: var(--text); transition: all 0.2s ease; font-family: inherit; }
        .cta-form input::placeholder { color: #9AA3A1; }
        .cta-form input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(15,92,91,0.15); }
        .fact-form .btn-accent { margin-top: 4px; }
        .form-note { margin-top: 12px; font-size: 12px; color: rgba(255,255,255,0.7); line-height: 1.5; }
        .footer { background: #F0EEEA; border-top: 1px solid var(--border); padding: 56px 0 0; }
        .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
        .footer-brand .logo-mark { width: 34px; height: 34px; font-size: 13px; }
        .footer-brand p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-top: 10px; max-width: 280px; }
        .footer h4 { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 16px; }
        .footer-links { list-style: none; padding: 0; margin: 0; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { font-size: 14px; color: var(--text-secondary); transition: color 0.2s; }
        .footer-links a:hover { color: var(--primary); text-decoration: underline; }
        .footer-help p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
        .footer-help .phone { display: block; font-size: 20px; font-weight: 700; color: var(--primary); margin: 10px 0 6px; }
        .footer-bottom { border-top: 1px solid var(--border); padding: 18px 0; text-align: center; font-size: 13px; color: var(--text-secondary); }
        @media (max-width: 1023px) {
            .sidebar { display: none; }
            .mobile-topbar { display: flex; }
            .main-content { margin-left: 0; }
            .app-shell { flex-direction: column; }
            .category-hero { padding: 60px 0 48px; }
            .features-grid, .scenario-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .section { padding: 56px 0; }
            .flow-section { padding: 56px 0; }
        }
        @media (max-width: 767px) {
            .container { padding: 0 16px; }
            .section { padding: 48px 0; }
            .flow-section { padding: 48px 0; }
            .category-hero { padding: 48px 0 40px; }
            .category-hero h1 { font-size: 26px; }
            .category-hero .hero-sub { font-size: 14px; }
            .features-grid { grid-template-columns: 1fr; }
            .scenario-grid { grid-template-columns: 1fr; }
            .compare-grid { grid-template-columns: 1fr; }
            .cta-wrap { flex-direction: column; gap: 24px; }
            .cta-form { width: 100%; }
            .flow-steps { grid-template-columns: 1fr; gap: 28px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .section-header h2 { font-size: 22px; }
            .btn-accent { height: 46px; line-height: 46px; font-size: 15px; }
            .compare-card { padding: 22px; }
            .feature-card { padding: 20px; }
            .cta-form { padding: 22px; }
            .hero-meta { gap: 12px; }
            .hero-meta-item { font-size: 13px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .category-hero h1 { font-size: 24px; }
            .category-hero .hero-sub { font-size: 13px; }
            .hero-meta-item { font-size: 12px; }
            .feature-icon { width: 40px; height: 40px; font-size: 16px; }
            .scenario-card .img-wrap { height: 160px; }
            .accordion-title { font-size: 15px; padding: 16px 40px 16px 16px; }
            .accordion-title::after { right: 14px; }
            .accordion-content { padding: 0 16px 16px; }
            .footer-bottom { font-size: 12px; }
        }