/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #4F46E5;
  --primary-dark: #4338CA;
  --primary-light: #EEF2FF;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --accent-light: #FEF3C7;
  --dark: #0F172A;
  --dark-2: #1E293B;
  --bg: #F8FAFC;
  --white: #FFFFFF;
  --text: #1E293B;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,.08);
  --shadow-md: 0 8px 24px rgba(15,23,42,.08);
  --shadow-lg: 0 16px 40px rgba(15,23,42,.12);
  --transition: all .25s ease;
}

/* ===== 基础重置 ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 .5em; line-height: 1.3; color: var(--text); font-weight: 700; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
section[id] { scroll-margin-top: 120px; }

/* ===== 容器 ===== */
.container { max-width: 1240px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 12px; font-weight: 600; padding: 10px 24px;
  border: 1px solid transparent; transition: var(--transition);
  font-size: .95rem;
}
.btn-primary {
  background: var(--primary); border-color: var(--primary); color: #fff;
  box-shadow: 0 4px 14px rgba(79,70,229,.25);
}
.btn-primary:hover {
  background: var(--primary-dark); border-color: var(--primary-dark);
  transform: translateY(-2px); box-shadow: 0 6px 20px rgba(79,70,229,.35); color: #fff;
}
.btn-light {
  background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.25);
  color: #fff; backdrop-filter: blur(4px);
}
.btn-light:hover { background: rgba(255,255,255,.25); color: #fff; }
.btn-accent { background: var(--accent); border-color: var(--accent); color: #1E293B; }
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.btn-lg { padding: 14px 32px; font-size: 1rem; border-radius: 14px; }
.btn:focus-visible { outline: 3px solid rgba(79,70,229,.4); outline-offset: 2px; }

/* ===== Header / 卡片化导航面板 ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .container { padding-top: 14px; padding-bottom: 14px; }
.nav-panel {
  display: flex; align-items: center; gap: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 10px 16px;
  box-shadow: var(--shadow-sm);
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 1.25rem; font-weight: 800; color: var(--text);
  letter-spacing: -.02em; white-space: nowrap;
}
.brand-flag {
  width: 10px; height: 34px; border-radius: 999px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.nav-menu { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.nav-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px; border-radius: 10px;
  color: var(--text-muted); font-size: .95rem; font-weight: 500;
}
.nav-link i { font-size: .85rem; opacity: .7; }
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.btn-nav { margin-left: auto; white-space: nowrap; padding: 10px 20px; border-radius: 12px; font-size: .95rem; }
.nav-toggle {
  display: none; margin-left: auto; padding: 8px 12px;
  background: var(--primary-light); color: var(--primary);
  border: 0; border-radius: 10px; font-size: 1.1rem;
}

/* ===== Hero 首屏 ===== */
.hero { position: relative; padding: 110px 0 90px; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(15,23,42,.94) 15%, rgba(15,23,42,.78) 50%, rgba(15,23,42,.62) 100%);
}
.hero .container { position: relative; z-index: 2; color: #fff; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 999px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22);
  font-size: .875rem; font-weight: 500; letter-spacing: .02em;
  margin-bottom: 24px; backdrop-filter: blur(6px);
}
.hero h1 {
  color: #fff; font-size: clamp(2.1rem, 4vw, 3.2rem);
  font-weight: 800; line-height: 1.22; margin-bottom: 18px;
}
.text-accent { color: var(--accent); }
.hero-lead {
  font-size: 1.1rem; color: rgba(255,255,255,.82);
  max-width: 620px; margin-bottom: 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-card {
  background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
  border-radius: 20px; padding: 32px; backdrop-filter: blur(10px);
  color: #fff;
}
.hero-card i { font-size: 2rem; color: #4ADE80; margin-bottom: 12px; }
.hero-card h3 { color: #fff; font-size: 1.1rem; }
.hero-card p { color: rgba(255,255,255,.75); font-size: .9rem; }
.hero-card-status {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .85rem; color: rgba(255,255,255,.85);
}
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: #4ADE80; position: relative; }
.pulse-dot::after {
  content: ""; position: absolute; inset: -4px;
  border-radius: 50%; background: rgba(74,222,128,.4);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0% { transform: scale(.8); opacity: 1; } 100% { transform: scale(1.6); opacity: 0; } }

/* ===== 数据条 ===== */
.stats-bar { background: var(--dark); padding: 28px 0; border-top: 1px solid rgba(255,255,255,.08); }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.stat-item {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: 4px; padding: 10px;
}
.stat-num { font-size: 1.9rem; font-weight: 800; color: #fff; }
.stat-num em { font-style: normal; color: var(--accent); }
.stat-label { color: rgba(255,255,255,.6); font-size: .875rem; }

/* ===== 板块通用 ===== */
.section { padding: 88px 0; }
.section-gray { background: var(--bg); }
.section-dark { background: var(--dark); color: rgba(255,255,255,.75); }
.section-dark .section-title,
.section-dark h2,
.section-dark h3,
.section-dark h4 { color: #fff; }
.section-dark .section-sub { color: rgba(255,255,255,.65); }
.section-tag {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: var(--primary-light); color: var(--primary);
  font-size: .875rem; font-weight: 600; margin-bottom: 14px;
}
.section-dark .section-tag { background: rgba(255,255,255,.12); color: var(--accent); }
.section-title { font-size: clamp(1.6rem, 2.8vw, 2.2rem); font-weight: 800; margin-bottom: 12px; }
.section-sub { color: var(--text-muted); max-width: 640px; margin-bottom: 40px; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head .section-tag { margin-bottom: 14px; }

/* ===== 图文介绍 ===== */
.check-list { margin-top: 24px; }
.check-list li {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 8px 0; font-size: .95rem; color: var(--text);
}
.check-list li i { color: var(--primary); margin-top: 5px; flex-shrink: 0; }
.img-wrap { position: relative; }
.img-cover {
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  border: 1px solid var(--border); width: 100%;
}
.img-badge {
  position: absolute; right: 16px; bottom: 16px;
  background: var(--white); color: var(--text);
  padding: 8px 16px; border-radius: 999px;
  box-shadow: var(--shadow-md); font-size: .875rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
}
.img-badge i { color: var(--primary); }

/* ===== 分类卡片 ===== */
.cat-card {
  position: relative; display: block; overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
}
.cat-img { overflow: hidden; aspect-ratio: 16/9; background: var(--bg); }
.cat-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.cat-card:hover { transform: translateY(-4px); border-color: var(--primary); box-shadow: var(--shadow-md); }
.cat-card:hover .cat-img img { transform: scale(1.05); }
.cat-body { padding: 28px; }
.cat-body h3 { font-size: 1.15rem; margin-bottom: 10px; }
.cat-body p { color: var(--text-muted); font-size: .9rem; margin-bottom: 16px; }
.btn-link { color: var(--primary); font-weight: 600; font-size: .92rem; display: inline-flex; align-items: center; gap: 6px; }
.btn-link i { transition: transform .25s ease; }
.cat-card:hover .btn-link i { transform: translateX(4px); }

/* ===== 资讯列表 ===== */
.news-card {
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 28px;
  height: 100%;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}
.news-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.badge-soft {
  display: inline-flex; align-items: center;
  background: var(--primary-light); color: var(--primary);
  font-size: .78rem; font-weight: 600;
  padding: 4px 12px; border-radius: 999px;
}
.news-date { color: var(--text-muted); font-size: .82rem; }
.news-title { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.news-card:hover .news-title { color: var(--primary); }
.news-excerpt { color: var(--text-muted); font-size: .88rem; margin-bottom: 16px; }
.news-more { color: var(--primary); font-size: .88rem; font-weight: 600; margin-top: auto; }
.news-more i { transition: transform .25s ease; }
.news-card:hover .news-more i { transform: translateX(4px); }
.empty-tip {
  background: var(--bg); border: 1px dashed var(--border);
  border-radius: var(--radius-md); padding: 40px; text-align: center;
  color: var(--text-muted);
}

/* ===== 服务特性卡 ===== */
.feature-card {
  background: var(--dark-2);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 24px;
  height: 100%;
  transition: var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255,255,255,.16);
  box-shadow: 0 20px 40px rgba(0,0,0,.3);
}
.feature-card img {
  width: 100%; border-radius: var(--radius-md); margin-bottom: 18px;
  aspect-ratio: 16/10; object-fit: cover;
}
.feature-card h3 { color: #fff; font-size: 1.05rem; margin-bottom: 8px; }
.feature-card p { color: rgba(255,255,255,.62); font-size: .88rem; margin-bottom: 0; }

/* ===== 流程 ===== */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step-card {
  position: relative; background: var(--white);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 32px 28px; height: 100%; transition: var(--transition);
}
.step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; font-weight: 800; margin-bottom: 18px;
}
.step-card h3 { font-size: 1.1rem; }
.step-card p { color: var(--text-muted); font-size: .92rem; margin-bottom: 0; }

/* ===== FAQ ===== */
.accordion { max-width: 860px; margin: 0 auto; }
.accordion-item {
  background: var(--white);
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.accordion-button {
  padding: 20px 24px;
  font-size: 1rem; font-weight: 600; color: var(--text);
  background: var(--white);
  box-shadow: none !important;
}
.accordion-button:not(.collapsed) {
  background: var(--primary-light); color: var(--primary);
}
.accordion-button:focus { box-shadow: none !important; }
.accordion-button::after { background-size: 1rem; }
.accordion-body { padding: 4px 24px 22px; color: var(--text-muted); line-height: 1.8; }

/* ===== CTA ===== */
.cta-box {
  position: relative;
  background-size: cover; background-position: center;
  border-radius: 24px; padding: 70px 40px;
  text-align: center; color: #fff; overflow: hidden;
}
.cta-box::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(79,70,229,.88), rgba(15,23,42,.88));
}
.cta-box > * { position: relative; z-index: 2; }
.cta-box h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; }
.cta-box p { color: rgba(255,255,255,.85); font-size: 1.05rem; max-width: 560px; margin: 12px auto 28px; }

/* ===== 页脚 ===== */
.site-footer { background: var(--dark); color: rgba(255,255,255,.7); padding: 56px 0 28px; }
.footer-top {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 20px; padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,.1); margin-bottom: 24px;
}
.footer-brand { color: #fff; font-size: 1.25rem; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-nav a {
  color: rgba(255,255,255,.65);
  padding: 8px 14px; border-radius: 10px; font-size: .9rem;
}
.footer-nav a:hover { color: #fff; background: rgba(255,255,255,.08); }
.footer-bottom p { margin: 0 0 4px; font-size: .875rem; color: rgba(255,255,255,.5); }

/* ===== 响应式 ===== */
@media (max-width: 991.98px) {
  .section { padding: 64px 0; }
  .hero { padding: 80px 0 64px; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .hero-card { margin-top: 32px; }
}
@media (max-width: 767.98px) {
  .nav-panel { flex-wrap: wrap; }
  .nav-toggle { display: inline-flex; order: 2; margin-left: auto; }
  .brand { order: 1; }
  .btn-nav { order: 3; width: 100%; margin-left: 0; }
  .nav-menu { display: none; order: 4; width: 100%; flex-direction: column; align-items: stretch; margin: 0; }
  .nav-menu.open { display: flex; }
  .nav-link { padding: 12px 14px; }
  .stats-grid { grid-template-columns: 1fr; gap: 12px; }
  .steps-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 1.9rem; }
  .hero { padding: 64px 0 48px; }
  .footer-top { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 575.98px) {
  .container { --bs-gutter-x: 1.25rem; }
  .hero-actions .btn { width: 100%; }
  .section { padding: 52px 0; }
  .cta-box { padding: 48px 24px; }
  .brand { font-size: 1.1rem; }
  .news-card { padding: 22px 20px; }
  .cat-body { padding: 22px 20px; }
}

/* roulang page: article */
:root{
  --primary:#4F46E5;--primary-dark:#4338CA;--primary-light:#EEF2FF;--primary-soft:#818CF8;
  --accent:#F59E0B;--accent-light:#FEF3C7;--bg:#F8FAFC;--card:#FFFFFF;--text:#0F172A;
  --text-weak:#64748B;--border:#E2E8F0;--radius:16px;--radius-sm:10px;
  --shadow:0 4px 24px rgba(79,70,229,.08);--shadow-lg:0 12px 40px rgba(15,23,42,.12);
  --transition:all .25s ease;--spacer:80px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button,input,textarea,select{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section-padding{padding:var(--spacer) 0}
.section-title{font-size:2rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.5rem;color:var(--text)}
.section-subtitle{font-size:1.05rem;color:var(--text-weak);max-width:640px;margin:0 auto 3rem}
.text-gradient{background:linear-gradient(135deg,var(--primary),var(--primary-soft));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.btn{border-radius:10px;padding:.625rem 1.375rem;font-weight:600;font-size:.95rem;transition:var(--transition);border:none;display:inline-flex;align-items:center;gap:.5rem;justify-content:center}
.btn:focus{outline:2px solid var(--primary-soft);outline-offset:3px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(79,70,229,.28)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(79,70,229,.35)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary);box-shadow:none}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--text);box-shadow:0 2px 12px rgba(0,0,0,.08)}
.btn-light:hover{background:#f8fafc;color:var(--primary);transform:translateY(-2px)}
.badge-category{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:.8rem;font-weight:600;padding:.25rem .75rem;border-radius:50rem;line-height:1.5}
.badge-accent{background:var(--accent-light);color:#B45309}

/* ===== Header & Nav ===== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(248,250,252,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(226,232,240,.6)}
.nav-panel{display:flex;align-items:center;gap:1rem;background:var(--card);border-radius:16px;padding:.625rem .75rem;box-shadow:var(--shadow);margin:12px 0;border:1px solid rgba(226,232,240,.6)}
.brand{display:flex;align-items:center;gap:.5rem;font-size:1.15rem;font-weight:800;color:var(--text);letter-spacing:-.01em;white-space:nowrap}
.brand-flag{width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,var(--primary),var(--accent));display:inline-block;flex-shrink:0}
.brand:hover{color:var(--primary)}
.nav-toggle{display:none;background:transparent;border:none;font-size:1.3rem;color:var(--text);cursor:pointer;padding:.35rem .6rem;border-radius:8px;line-height:1}
.nav-toggle:hover{background:var(--primary-light);color:var(--primary)}
.nav-menu{display:flex;align-items:center;gap:.35rem;margin:0;padding:0;flex:1;justify-content:center}
.nav-menu .nav-link{display:flex;align-items:center;gap:.4rem;padding:.55rem 1.1rem;border-radius:10px;font-weight:600;font-size:.9rem;color:var(--text-weak);transition:var(--transition);white-space:nowrap}
.nav-menu .nav-link i{font-size:.9rem;color:var(--primary-soft);transition:var(--transition)}
.nav-menu .nav-link:hover{background:var(--primary-light);color:var(--primary)}
.nav-menu .nav-link:hover i{color:var(--primary)}
.nav-menu .nav-link.active{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(79,70,229,.3)}
.nav-menu .nav-link.active i{color:#fff}
.btn-nav{white-space:nowrap;margin-left:auto;font-size:.875rem;padding:.5rem 1rem}
@media(max-width:991px){
  .nav-toggle{display:block}
  .nav-menu{display:none;position:absolute;top:calc(100% + 8px);left:0;right:0;background:var(--card);border-radius:16px;box-shadow:var(--shadow-lg);flex-direction:column;align-items:stretch;padding:1rem;gap:.5rem;margin:0 12px}
  .nav-menu.open{display:flex}
  .nav-menu .nav-link{justify-content:flex-start;padding:.75rem 1rem}
  .btn-nav{display:none}
}

/* ===== Article Hero ===== */
.article-hero{position:relative;padding:80px 0 64px;background:linear-gradient(135deg,rgba(15,23,42,.88),rgba(79,70,229,.75)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;border-bottom:4px solid var(--primary)}
.article-hero .container{position:relative;z-index:2}
.breadcrumb-custom{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:rgba(255,255,255,.75);margin-bottom:1.5rem;flex-wrap:wrap}
.breadcrumb-custom a{color:rgba(255,255,255,.85)}
.breadcrumb-custom a:hover{color:#fff}
.breadcrumb-custom .sep{opacity:.5}
.article-hero h1{font-size:2.4rem;font-weight:800;line-height:1.3;letter-spacing:-.02em;margin-bottom:1.25rem;max-width:860px}
.article-hero .hero-meta{display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap;font-size:.9rem;color:rgba(255,255,255,.85)}
.hero-meta .sep-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.5);display:inline-block}

/* ===== Article Section ===== */
.article-section{padding:64px 0 40px}
.article-main{background:var(--card);border-radius:20px;box-shadow:var(--shadow);padding:2.5rem;border:1px solid var(--border)}
.article-body .article-content{font-size:1rem;line-height:1.9;color:#334155}
.article-body .article-content p{margin-bottom:1.5rem}
.article-body .article-content h2{font-size:1.45rem;font-weight:700;margin:2rem 0 1rem;color:var(--text);padding-left:.8rem;border-left:4px solid var(--primary)}
.article-body .article-content h3{font-size:1.2rem;font-weight:700;margin:1.75rem 0 .75rem;color:var(--text)}
.article-body .article-content ul,.article-body .article-content ol{margin:0 0 1.5rem;padding-left:1.4rem}
.article-body .article-content ul{list-style:disc}
.article-body .article-content ol{list-style:decimal}
.article-body .article-content li{margin-bottom:.5rem}
.article-body .article-content a{color:var(--primary);border-bottom:1px dashed var(--primary-soft)}
.article-body .article-content a:hover{border-bottom-style:solid}
.article-body .article-content img{border-radius:12px;margin:1.5rem 0}
.article-body .article-content blockquote{border-left:4px solid var(--accent);background:#FFFBEB;padding:1rem 1.25rem;border-radius:0 12px 12px 0;margin:1.5rem 0;color:#92400E}
.not-found-box{text-align:center;padding:4rem 2rem}
.not-found-box i{font-size:3.5rem;color:var(--primary-soft);margin-bottom:1rem}
.not-found-box h2{font-size:1.75rem;font-weight:700;margin-bottom:.75rem}
.not-found-box p{color:var(--text-weak);margin-bottom:1.5rem}

/* ===== Sidebar ===== */
.sidebar{display:flex;flex-direction:column;gap:1.5rem}
.sidebar-card{background:var(--card);border-radius:16px;box-shadow:var(--shadow);padding:1.5rem;border:1px solid var(--border)}
.sidebar-card h3{font-size:1.05rem;font-weight:700;margin-bottom:1.25rem;display:flex;align-items:center;gap:.5rem;color:var(--text)}
.sidebar-card h3 i{color:var(--primary);font-size:.9rem}
.sidebar-list li{display:flex;align-items:flex-start;gap:.75rem;padding:.75rem 0;border-bottom:1px solid #F1F5F9}
.sidebar-list li:last-child{border-bottom:none;padding-bottom:0}
.sidebar-list li:first-child{padding-top:0}
.sidebar-list a{display:flex;align-items:center;gap:.6rem;font-size:.9rem;color:var(--text);font-weight:500}
.sidebar-list a:hover{color:var(--primary)}
.sidebar-list .list-dot{width:6px;height:6px;border-radius:50%;background:var(--primary-soft);flex-shrink:0;margin-top:.55rem}
.sidebar-list .list-title{flex:1}
.sidebar-list .list-date{font-size:.78rem;color:var(--text-weak);white-space:nowrap}
.empty-text{color:var(--text-weak);font-size:.9rem;padding:.5rem 0}
.sidebar-cate-card{display:flex;align-items:center;gap:1rem;padding:1rem;border-radius:12px;background:#F8FAFC;border:1px solid var(--border);transition:var(--transition)}
.sidebar-cate-card:hover{background:var(--primary-light);border-color:var(--primary-soft);transform:translateX(4px)}
.sidebar-cate-card .cate-icon{width:44px;height:44px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:1.1rem;flex-shrink:0}
.sidebar-cate-card h4{font-size:.95rem;font-weight:700;margin-bottom:.1rem}
.sidebar-cate-card p{font-size:.8rem;color:var(--text-weak);margin:0}
.cta-sidebar{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;text-align:center}
.cta-sidebar i{font-size:2rem;margin-bottom:.75rem;display:block;color:var(--accent)}
.cta-sidebar h3{color:#fff;justify-content:center}
.cta-sidebar p{font-size:.875rem;color:rgba(255,255,255,.85);margin-bottom:1.25rem}
.cta-sidebar .btn-light{width:100%}

/* ===== Related Section ===== */
.related-section{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:64px 0}
.related-card{background:var(--bg);border-radius:16px;overflow:hidden;border:1px solid var(--border);transition:var(--transition);height:100%;display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--primary-soft)}
.related-card .related-thumb{height:180px;overflow:hidden;position:relative}
.related-card .related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-thumb img{transform:scale(1.05)}
.related-card .related-body{padding:1.25rem;flex:1;display:flex;flex-direction:column}
.related-card .related-cate{font-size:.75rem;color:var(--primary);font-weight:600;margin-bottom:.5rem}
.related-card h3{font-size:1rem;font-weight:700;line-height:1.5;margin-bottom:.5rem;flex:1}
.related-card h3 a{color:var(--text)}
.related-card h3 a:hover{color:var(--primary)}
.related-card .related-date{font-size:.78rem;color:var(--text-weak);display:flex;align-items:center;gap:.35rem}

/* ===== FAQ Section ===== */
.faq-section{padding:64px 0}
.faq-wrapper{max-width:820px;margin:0 auto}
.faq-item{background:var(--card);border-radius:14px;box-shadow:var(--shadow);margin-bottom:1rem;border:1px solid var(--border);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--primary-soft)}
.faq-q{padding:1.25rem 1.5rem;display:flex;align-items:center;gap:.75rem;cursor:pointer;font-weight:600;font-size:.95rem;color:var(--text);background:transparent;border:none;width:100%;text-align:left}
.faq-q i{color:var(--primary);font-size:.85rem;flex-shrink:0;width:20px;text-align:center}
.faq-q .fa-chevron-down{margin-left:auto;color:var(--text-weak);font-size:.75rem;transition:var(--transition)}
.faq-item.active .fa-chevron-down{transform:rotate(180deg);color:var(--primary)}
.faq-a{display:none;padding:0 1.5rem 1.25rem;color:var(--text-weak);font-size:.9rem;line-height:1.8;padding-left:3.35rem}
.faq-item.active .faq-a{display:block}

/* ===== CTA Section ===== */
.cta-section{padding:64px 0}
.cta-inner{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 60%,#312E81 100%);border-radius:28px;padding:3.5rem;position:relative;overflow:hidden;color:#fff;text-align:center}
.cta-inner::before{content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;background:rgba(255,255,255,.06);border-radius:50%}
.cta-inner::after{content:'';position:absolute;bottom:-40px;left:-40px;width:140px;height:140px;background:rgba(245,158,11,.15);border-radius:50%}
.cta-inner h2{font-size:1.9rem;font-weight:800;margin-bottom:.75rem}
.cta-inner p{font-size:1rem;color:rgba(255,255,255,.85);max-width:560px;margin:0 auto 1.5rem}
.cta-inner .btn-group{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{background:#0F172A;color:#94A3B8;padding:48px 0 0;margin-top:0}
.footer-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:2rem;border-bottom:1px solid rgba(148,163,184,.15);flex-wrap:wrap;gap:1rem}
.footer-brand{color:#fff;font-size:1.1rem}
.footer-brand:hover{color:var(--primary-soft)}
.footer-nav{display:flex;gap:1.5rem;flex-wrap:wrap;margin:0;padding:0}
.footer-nav a{font-size:.9rem;color:#94A3B8;padding:.25rem 0;position:relative}
.footer-nav a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--primary-soft);transition:width .3s ease}
.footer-nav a:hover{color:#fff}
.footer-nav a:hover::after{width:100%}
.footer-bottom{padding:1.5rem 0;text-align:center;font-size:.8rem;color:#64748B}
.footer-bottom p{margin-bottom:.25rem}

/* ===== Responsive ===== */
@media(max-width:991px){
  .section-title{font-size:1.6rem}
  .article-hero h1{font-size:1.9rem}
  .article-main{padding:1.75rem}
  .sidebar{margin-top:2rem}
  .cta-inner{padding:2.5rem 1.5rem}
  .section-padding{padding:56px 0}
}
@media(max-width:768px){
  .article-hero{padding:56px 0 40px}
  .article-hero h1{font-size:1.6rem}
  .article-main{padding:1.25rem}
  .article-body .article-content{font-size:.95rem}
  .breadcrumb-custom{font-size:.78rem}
  .faq-q{padding:1rem 1.25rem;font-size:.875rem}
  .faq-a{padding:0 1.25rem 1rem;padding-left:2.9rem}
  .cta-inner h2{font-size:1.4rem}
  .cta-inner .btn-group{flex-direction:column;align-items:center}
  .cta-inner .btn-group .btn{width:100%;max-width:280px}
  .footer-top{flex-direction:column;text-align:center}
  .footer-nav{justify-content:center}
  .related-card .related-thumb{height:150px}
}
@media(max-width:520px){
  .container{padding:0 14px}
  .nav-panel{padding:.5rem;gap:.5rem;border-radius:14px}
  .brand{font-size:1rem}
  .brand-flag{width:8px;height:8px}
  .article-hero h1{font-size:1.35rem}
  .article-hero .hero-meta{gap:.75rem;font-size:.8rem}
  .section-title{font-size:1.4rem}
  .article-main{padding:1rem;border-radius:14px}
  .sidebar-card{padding:1.25rem}
  .cta-inner{border-radius:20px;padding:2rem 1rem}
  .footer-bottom{font-size:.75rem}
  .faq-q{font-size:.825rem}
  .faq-a{padding-left:1.5rem}
}

/* roulang page: category1 */
:root {
            --primary: #1a2b4c;
            --primary-2: #233a63;
            --accent: #e8a838;
            --accent-2: #f0bc5a;
            --bg: #f5f6fa;
            --bg-white: #ffffff;
            --bg-dark: #0f1a2e;
            --text: #1e2430;
            --text-muted: #697386;
            --border: #e4e8f0;
            --radius: 14px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 10px rgba(26, 43, 76, .05);
            --shadow: 0 8px 30px rgba(26, 43, 76, .08);
            --shadow-lg: 0 16px 50px rgba(26, 43, 76, .14);
            --transition: .3s ease;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; display: block; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        button { font-family: inherit; cursor: pointer; }
        ul, ol { margin: 0; padding: 0; list-style: none; }
        .container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

        /* ===== Header & Nav ===== */
        .site-header {
            padding: 24px 0 16px;
            position: relative;
            z-index: 100;
            background: linear-gradient(180deg, #eef0f7 0%, var(--bg) 100%);
        }
        .nav-panel {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-white);
            border-radius: 18px;
            padding: 12px 20px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(255, 255, 255, .6);
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: .3px;
        }
        .brand-flag {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 20%, var(--accent) 100%);
            display: inline-block;
            position: relative;
            flex-shrink: 0;
        }
        .brand:hover { color: var(--primary); opacity: .85; }
        .nav-menu {
            display: flex;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 16px;
            border-radius: 12px;
            color: var(--text-muted);
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .nav-link i { font-size: 15px; opacity: .8; }
        .nav-link:hover { background: #f0f2f8; color: var(--primary); border-color: var(--border); }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(26, 43, 76, .25);
        }
        .nav-link.active i { opacity: 1; }
        .nav-toggle {
            display: none;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            transition: var(--transition);
        }
        .nav-toggle:hover { background: #eef0f7; border-color: var(--primary); }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            border: 1px solid transparent;
            transition: var(--transition);
            line-height: 1.5;
        }
        .btn-primary {
            background: var(--primary);
            border: none;
            color: #fff;
            box-shadow: 0 4px 16px rgba(26, 43, 76, .2);
        }
        .btn-primary:hover {
            background: var(--primary-2);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(26, 43, 76, .3);
            color: #fff;
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-ghost {
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .35);
            color: #fff;
            backdrop-filter: blur(4px);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .22);
            border-color: rgba(255, 255, 255, .6);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            border: none;
            color: #1a2b4c;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(232, 168, 56, .35);
        }
        .btn-accent:hover {
            background: var(--accent-2);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 168, 56, .4);
            color: #1a2b4c;
        }
        .btn-nav { white-space: nowrap; }
        .btn:focus-visible, .nav-link:focus-visible, .brand:focus-visible, .nav-toggle:focus-visible {
            outline: 3px solid rgba(232, 168, 56, .6);
            outline-offset: 2px;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(135deg, rgba(15, 26, 46, .92) 0%, rgba(26, 43, 76, .78) 50%, rgba(35, 58, 99, .7) 100%), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: rgba(232, 168, 56, .08);
            right: -120px;
            top: -120px;
            pointer-events: none;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 32px;
            color: rgba(255, 255, 255, .7);
        }
        .breadcrumb-nav a { color: rgba(255, 255, 255, .7); }
        .breadcrumb-nav a:hover { color: #fff; }
        .breadcrumb-nav .sep { font-size: 12px; color: rgba(255, 255, 255, .4); }
        .breadcrumb-nav .current { color: var(--accent); font-weight: 600; }
        .banner-content { max-width: 680px; position: relative; z-index: 2; }
        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 168, 56, .15);
            border: 1px solid rgba(232, 168, 56, .4);
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-2);
            margin-bottom: 20px;
        }
        .banner-content h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: .5px;
        }
        .banner-content p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            margin: 0 0 32px;
        }
        .banner-actions { display: flex; flex-wrap: wrap; gap: 14px; }

        /* ===== Section ===== */
        .section { padding: 84px 0; }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            margin: 0 0 10px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Entry Cards ===== */
        .entry-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .entry-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .entry-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(26, 43, 76, .12);
        }
        .entry-card:hover::before { opacity: 1; }
        .entry-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            box-shadow: 0 6px 20px rgba(26, 43, 76, .2);
        }
        .entry-card:nth-child(2) .entry-icon { background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%); box-shadow: 0 6px 20px rgba(232, 168, 56, .3); }
        .entry-card:nth-child(3) .entry-icon { background: linear-gradient(135deg, #3d6b52 0%, #5b8a6e 100%); box-shadow: 0 6px 20px rgba(61, 107, 82, .25); }
        .entry-card:nth-child(4) .entry-icon { background: linear-gradient(135deg, #6a4b8a 0%, #8e6bb0 100%); box-shadow: 0 6px 20px rgba(106, 75, 138, .25); }
        .entry-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
        }
        .entry-card p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0 0 16px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            background: rgba(232, 168, 56, .15);
            color: #b07b16;
        }
        .tag-recommend { background: rgba(232, 168, 56, .18); color: #a87812; }
        .entry-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        .entry-link i { font-size: 12px; transition: var(--transition); }
        .entry-link:hover i { transform: translateX(4px); }

        /* ===== Flow Steps ===== */
        .flow-section { background: var(--bg-white); }
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
            position: relative;
        }
        .flow-steps::before {
            content: '';
            position: absolute;
            top: 42px;
            left: 12.5%;
            right: 12.5%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), rgba(232, 168, 56, .5));
            z-index: 0;
            border-radius: 2px;
        }
        .flow-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-sm);
        }
        .flow-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .flow-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            box-shadow: 0 6px 18px rgba(26, 43, 76, .22);
            border: 3px solid var(--bg-white);
        }
        .flow-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }
        .flow-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Scene Cards ===== */
        .scene-section { background: var(--bg); }
        .scene-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .scene-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
            border-color: rgba(26, 43, 76, .1);
        }
        .scene-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            margin-bottom: 18px;
            background: linear-gradient(135deg, var(--primary), var(--primary-2));
        }
        .scene-card:nth-child(2) .scene-icon { background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
        .scene-card:nth-child(3) .scene-icon { background: linear-gradient(135deg, #3d6b52, #5b8a6e); }
        .scene-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
        }
        .scene-card .scene-sub {
            font-size: 14px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 14px;
            display: block;
        }
        .scene-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0 0 18px;
        }
        .scene-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--text);
            padding: 6px 0;
            border-bottom: 1px dashed var(--border);
        }
        .scene-list li:last-child { border-bottom: none; }
        .scene-list i { color: var(--accent); font-size: 13px; margin-top: 5px; }
        .scene-note {
            margin-top: auto;
            padding-top: 14px;
            font-size: 13px;
            color: var(--text-muted);
            background: #f8f9fc;
            border-radius: 10px;
            padding: 12px 14px;
            display: flex;
            gap: 8px;
            align-items: flex-start;
        }
        .scene-note i { color: var(--primary); margin-top: 3px; }

        /* ===== Tips ===== */
        .tips-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .tips-section::before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(232, 168, 56, .06);
            left: -180px;
            bottom: -180px;
        }
        .tips-section .section-title { color: #fff; }
        .tips-section .section-subtitle { color: rgba(255, 255, 255, .7); }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            z-index: 1;
        }
        .tips-card {
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            transition: var(--transition);
        }
        .tips-card:hover {
            background: rgba(255, 255, 255, .09);
            border-color: rgba(232, 168, 56, .4);
            transform: translateY(-4px);
        }
        .tips-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(232, 168, 56, .15);
            color: var(--accent-2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 14px;
        }
        .tips-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
        }
        .tips-card p {
            font-size: 13.5px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .7);
            margin: 0;
        }

        /* ===== Recommend ===== */
        .recommend-section { background: var(--bg); }
        .recommend-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .recommend-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(26, 43, 76, .1);
        }
        .recommend-cover {
            width: 100%;
            height: 190px;
            object-fit: cover;
            transition: var(--transition);
        }
        .recommend-card:hover .recommend-cover { transform: scale(1.03); }
        .recommend-body { padding: 24px; }
        .recommend-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
        }
        .recommend-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 16px;
        }
        .recommend-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        .recommend-link i { font-size: 12px; transition: var(--transition); }
        .recommend-link:hover i { transform: translateX(4px); }

        /* ===== FAQ ===== */
        .faq-section { background: var(--bg-white); }
        .faq-wrap { max-width: 860px; margin: 0 auto; }
        .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border) !important;
            border-radius: 14px !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .accordion-button {
            background: var(--bg-white);
            color: var(--text);
            font-weight: 600;
            font-size: 16px;
            padding: 18px 22px;
            border: none;
            box-shadow: none !important;
            border-radius: 14px !important;
            transition: var(--transition);
        }
        .accordion-button:not(.collapsed) {
            background: #f8f9fc;
            color: var(--primary);
        }
        .accordion-button:focus { box-shadow: none !important; }
        .accordion-button::after {
            background-size: 16px;
            transition: var(--transition);
        }
        .accordion-body {
            padding: 4px 22px 22px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .accordion-item:has(.accordion-button:not(.collapsed)) { border-color: rgba(26, 43, 76, .15) !important; }

        /* ===== CTA ===== */
        .cta-section {
            padding: 0;
            position: relative;
        }
        .cta-inner {
            border-radius: 24px;
            padding: 64px 48px;
            background: linear-gradient(135deg, rgba(15, 26, 46, .92) 0%, rgba(26, 43, 76, .85) 100%), url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .cta-inner::before {
            content: '';
            position: absolute;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(232, 168, 56, .12);
            right: -60px;
            top: -60px;
        }
        .cta-inner h2 {
            font-size: 30px;
            font-weight: 800;
            margin: 0 0 12px;
            position: relative;
            z-index: 2;
        }
        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 2;
        }
        .cta-inner .btn { position: relative; z-index: 2; }

        /* ===== Footer ===== */
        .site-footer {
            background: #101c33;
            color: rgba(255, 255, 255, .8);
            padding: 52px 0 28px;
            margin-top: 84px;
        }
        .footer-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
            flex-wrap: wrap;
        }
        .footer-brand { color: #fff; }
        .footer-nav {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .footer-nav a {
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }
        .footer-nav a:hover { color: var(--accent-2); }
        .footer-bottom {
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom p { margin: 0; }

        /* ===== Responsive ===== */
        @media (max-width: 1199.98px) {
            .nav-panel { gap: 14px; }
            .nav-link { padding: 10px 12px; font-size: 14px; }
            .brand { font-size: 18px; }
        }
        @media (max-width: 991.98px) {
            .site-header { padding: 16px 0 12px; }
            .nav-panel { flex-wrap: wrap; padding: 14px 16px; }
            .nav-toggle { display: inline-flex; margin-left: auto; }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #f8f9fc;
                border-radius: 14px;
                padding: 10px;
                gap: 4px;
                margin-top: 6px;
                border: 1px solid var(--border);
            }
            .nav-menu.open { display: flex; }
            .nav-link { width: 100%; font-size: 15px; padding: 12px 14px; }
            .btn-nav { display: none; }
            .flow-steps { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
            .flow-steps::before { display: none; }
            .tips-grid { grid-template-columns: repeat(2, 1fr); }
            .section { padding: 64px 0; }
            .banner-content h1 { font-size: 34px; }
        }
        @media (max-width: 767.98px) {
            .section { padding: 52px 0; }
            .section-title { font-size: 26px; }
            .section-head { margin-bottom: 32px; }
            .page-banner { padding: 56px 0 48px; }
            .banner-content h1 { font-size: 28px; }
            .banner-content p { font-size: 15px; }
            .banner-actions .btn { width: 100%; justify-content: center; }
            .flow-steps { grid-template-columns: 1fr; }
            .tips-grid { grid-template-columns: 1fr; }
            .cta-inner { padding: 44px 22px; }
            .cta-inner h2 { font-size: 24px; }
            .footer-top { flex-direction: column; align-items: flex-start; }
            .footer-bottom { flex-direction: column; }
            .entry-card { padding: 28px 22px; }
            .scene-card { padding: 28px 22px; }
        }
        @media (max-width: 520px) {
            .container { padding-left: 16px; padding-right: 16px; }
            .nav-panel { padding: 10px 12px; }
            .brand { font-size: 17px; }
            .brand-flag { width: 30px; height: 30px; }
            .banner-content h1 { font-size: 24px; }
            .entry-card { padding: 24px 18px; }
            .tips-card { padding: 22px 18px; }
        }

/* roulang page: category2 */
:root {
        --primary: #2563eb;
        --primary-dark: #1d4ed8;
        --primary-light: #dbeafe;
        --accent: #f59e0b;
        --accent-dark: #b45309;
        --bg: #f8fafc;
        --surface: #ffffff;
        --text: #1e293b;
        --text-weak: #64748b;
        --border: #e2e8f0;
        --radius: 16px;
        --radius-sm: 10px;
        --shadow: 0 4px 24px rgba(15, 23, 42, .06);
        --shadow-lg: 0 12px 40px rgba(15, 23, 42, .1);
        --spacer: 96px;
        --transition: .25s ease;
    }
    *, *::before, *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        scroll-padding-top: 90px;
    }
    body {
        font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: color var(--transition);
    }
    img {
        max-width: 100%;
        height: auto;
    }
    button, input, select, textarea {
        font: inherit;
    }
    .container {
        max-width: 1200px;
    }
    .section {
        padding: 72px 0;
    }
    .section-sm {
        padding: 56px 0;
    }
    .section-title {
        font-size: 2rem;
        font-weight: 800;
        letter-spacing: -0.02em;
        margin-bottom: .5rem;
        color: var(--text);
    }
    .section-subtitle {
        color: var(--text-weak);
        font-size: 1.05rem;
        max-width: 720px;
        margin-bottom: 2.25rem;
    }
    .section-head {
        text-align: center;
        margin-bottom: 3rem;
    }
    .section-head .section-title::after {
        content: "";
        display: block;
        width: 56px;
        height: 4px;
        border-radius: 4px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        margin: 1rem auto 0;
    }

    /* Header & Navigation */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1050;
        padding: 16px 0 0;
        background: transparent;
        margin-bottom: -78px;
    }
    .nav-panel {
        background: rgba(255, 255, 255, .92);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border: 1px solid var(--border);
        border-radius: 20px;
        padding: 10px 16px;
        display: flex;
        align-items: center;
        gap: 12px;
        box-shadow: 0 8px 30px rgba(15, 23, 42, .06);
        transition: box-shadow var(--transition);
    }
    .nav-panel:has(.nav-toggle.open) {
        box-shadow: 0 14px 40px rgba(15, 23, 42, .1);
    }
    .brand {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 1.25rem;
        font-weight: 800;
        color: var(--text);
        letter-spacing: -0.01em;
        padding: 6px 8px;
        border-radius: var(--radius-sm);
        white-space: nowrap;
        transition: background var(--transition);
    }
    .brand:hover {
        background: var(--primary-light);
    }
    .brand-flag {
        width: 30px;
        height: 30px;
        border-radius: 9px;
        background: linear-gradient(135deg, var(--primary), #4f46e5);
        display: inline-block;
        position: relative;
        flex-shrink: 0;
        box-shadow: 0 4px 10px rgba(37, 99, 235, .3);
    }
    .brand-flag::after {
        content: "";
        position: absolute;
        inset: 7px;
        border-radius: 5px;
        background: rgba(255, 255, 255, .85);
    }
    .nav-menu {
        display: flex;
        list-style: none;
        gap: 4px;
        margin: 0;
        flex: 1;
        justify-content: center;
        padding: 0;
    }
    .nav-menu .nav-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 9px 18px;
        border-radius: 12px;
        font-size: .95rem;
        font-weight: 600;
        color: var(--text-weak);
        transition: all var(--transition);
    }
    .nav-menu .nav-link i {
        font-size: .95rem;
        opacity: .8;
    }
    .nav-menu .nav-link:hover {
        background: var(--primary-light);
        color: var(--primary-dark);
    }
    .nav-menu .nav-link.active {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 6px 16px rgba(37, 99, 235, .3);
    }
    .nav-menu .nav-link.active i {
        opacity: 1;
    }
    .btn-nav {
        white-space: nowrap;
        border-radius: 12px;
        font-weight: 600;
        padding: 10px 20px;
    }
    .nav-toggle {
        display: none;
        background: var(--primary-light);
        border: none;
        color: var(--primary-dark);
        width: 42px;
        height: 42px;
        border-radius: 12px;
        font-size: 1.15rem;
        cursor: pointer;
        transition: all var(--transition);
    }
    .nav-toggle:hover {
        background: var(--primary);
        color: #fff;
    }

    /* Buttons */
    .btn {
        border-radius: 12px;
        font-weight: 600;
        padding: 11px 24px;
        transition: all .2s ease;
        border: none;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
    .btn-primary {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 6px 18px rgba(37, 99, 235, .3);
    }
    .btn-primary:hover, .btn-primary:focus {
        background: var(--primary-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(37, 99, 235, .4);
    }
    .btn-outline-custom {
        background: transparent;
        color: var(--primary);
        border: 2px solid var(--primary);
    }
    .btn-outline-custom:hover, .btn-outline-custom:focus {
        background: var(--primary-light);
        color: var(--primary-dark);
        transform: translateY(-2px);
    }
    .btn-accent {
        background: var(--accent);
        color: #fff;
        box-shadow: 0 6px 18px rgba(245, 158, 11, .35);
    }
    .btn-accent:hover {
        background: var(--accent-dark);
        color: #fff;
        transform: translateY(-2px);
    }
    .btn:focus-visible, .nav-link:focus-visible, a:focus-visible {
        outline: 3px solid rgba(37, 99, 235, .4);
        outline-offset: 2px;
    }

    /* Hero Banner */
    .page-banner {
        position: relative;
        padding: 170px 0 80px;
        background: linear-gradient(135deg, rgba(15, 23, 42, .82), rgba(30, 64, 175, .72)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        color: #fff;
        text-align: center;
    }
    .page-banner .banner-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, .15);
        backdrop-filter: blur(6px);
        border: 1px solid rgba(255, 255, 255, .25);
        padding: 6px 18px;
        border-radius: 50px;
        font-size: .95rem;
        font-weight: 600;
        margin-bottom: 20px;
        color: #fff;
    }
    .page-banner h1 {
        font-size: 3rem;
        font-weight: 800;
        letter-spacing: -0.02em;
        margin-bottom: 16px;
        line-height: 1.2;
    }
    .page-banner .lead {
        font-size: 1.15rem;
        max-width: 680px;
        margin: 0 auto 28px;
        color: rgba(255, 255, 255, .85);
    }
    .page-banner .banner-cta {
        display: flex;
        gap: 12px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* Cards */
    .card {
        border: 1px solid var(--border);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        transition: all var(--transition);
        background: var(--surface);
        height: 100%;
    }
    .card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-lg);
        border-color: #c7d2fe;
    }
    .card-body {
        padding: 1.75rem;
    }
    .card-icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        background: var(--primary-light);
        color: var(--primary-dark);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        margin-bottom: 1rem;
    }
    .card-title {
        font-size: 1.15rem;
        font-weight: 700;
        margin-bottom: .6rem;
        letter-spacing: -0.01em;
    }
    .card-text {
        color: var(--text-weak);
        font-size: .95rem;
        line-height: 1.65;
    }
    .card-img-top {
        border-radius: var(--radius) var(--radius) 0 0;
        object-fit: cover;
        width: 100%;
    }

    /* Steps */
    .step-item {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 2rem 1.5rem;
        text-align: center;
        height: 100%;
        transition: all var(--transition);
        position: relative;
    }
    .step-item:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
        border-color: #c7d2fe;
    }
    .step-num {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        background: linear-gradient(135deg, var(--primary), #4f46e5);
        color: #fff;
        font-weight: 700;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1rem;
        font-size: .95rem;
        box-shadow: 0 6px 14px rgba(37, 99, 235, .3);
    }
    .step-item h3 {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: .5rem;
    }
    .step-item p {
        color: var(--text-weak);
        font-size: .9rem;
        margin-bottom: 0;
    }
    .step-arrow {
        position: absolute;
        right: -24px;
        top: 50%;
        transform: translateY(-50%);
        color: #cbd5e1;
        font-size: 1.2rem;
        z-index: 2;
    }
    @media (max-width: 767px) {
        .step-arrow {
            display: none;
        }
    }

    /* FAQ */
    .faq-wrap {
        max-width: 860px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 14px;
        margin-bottom: 14px;
        overflow: hidden;
        box-shadow: 0 2px 10px rgba(15, 23, 42, .03);
    }
    .faq-item summary {
        padding: 20px 24px;
        font-weight: 600;
        cursor: pointer;
        list-style: none;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        transition: background var(--transition);
        font-size: 1.02rem;
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-item summary i {
        color: var(--primary);
        transition: transform .3s ease;
        flex-shrink: 0;
    }
    .faq-item[open] summary {
        background: var(--primary-light);
    }
    .faq-item[open] summary i.fa-chevron-down {
        transform: rotate(180deg);
    }
    .faq-answer {
        padding: 4px 24px 22px;
        color: var(--text-weak);
        line-height: 1.75;
        font-size: .95rem;
        border-top: 1px solid var(--border);
        margin-top: 0;
    }
    .faq-answer p:first-child {
        margin-top: 16px;
    }

    /* Content Blocks */
    .content-block {
        display: flex;
        align-items: center;
        gap: 48px;
    }
    .content-block.reverse {
        flex-direction: row-reverse;
    }
    .content-media {
        flex: 1;
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
    }
    .content-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }
    .content-info {
        flex: 1;
    }
    .content-info .badge-custom {
        display: inline-block;
        background: var(--primary-light);
        color: var(--primary-dark);
        font-size: .8rem;
        font-weight: 600;
        padding: 4px 14px;
        border-radius: 50px;
        margin-bottom: 12px;
    }
    .content-info h2 {
        font-size: 1.8rem;
        font-weight: 800;
        margin-bottom: 14px;
        letter-spacing: -0.02em;
    }
    .content-info p {
        color: var(--text-weak);
        margin-bottom: 20px;
        line-height: 1.75;
    }
    .check-list {
        list-style: none;
        padding: 0;
        margin: 0 0 24px;
    }
    .check-list li {
        padding: 8px 0;
        display: flex;
        align-items: flex-start;
        gap: 10px;
        font-size: .95rem;
        color: var(--text);
        font-weight: 500;
    }
    .check-list li i {
        color: #22c55e;
        margin-top: 4px;
        flex-shrink: 0;
    }

    /* Tips Panel */
    .tips-panel {
        background: linear-gradient(135deg, #eff6ff, #fdf4ff);
        border: 1px solid #c7d2fe;
        border-radius: var(--radius);
        padding: 2rem;
    }
    .tips-panel h3 {
        font-size: 1.2rem;
        font-weight: 700;
        margin-bottom: 1rem;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .tips-panel h3 i {
        color: var(--accent);
    }
    .tips-panel ul {
        padding-left: 1.25rem;
        color: var(--text);
    }
    .tips-panel li {
        margin-bottom: .5rem;
        font-size: .95rem;
    }

    /* CTA */
    .cta-section {
        background: linear-gradient(135deg, #1e293b, #1e40af);
        border-radius: 24px;
        padding: 56px 40px;
        text-align: center;
        color: #fff;
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: "";
        position: absolute;
        top: -50px;
        right: -50px;
        width: 180px;
        height: 180px;
        border-radius: 50%;
        background: rgba(255, 255, 255, .08);
    }
    .cta-section::after {
        content: "";
        position: absolute;
        bottom: -30px;
        left: 30px;
        width: 90px;
        height: 90px;
        border-radius: 50%;
        background: rgba(255, 255, 255, .06);
    }
    .cta-section h2 {
        font-size: 2rem;
        font-weight: 800;
        margin-bottom: 12px;
        position: relative;
        z-index: 1;
    }
    .cta-section p {
        color: rgba(255, 255, 255, .85);
        max-width: 560px;
        margin: 0 auto 28px;
        position: relative;
        z-index: 1;
        font-size: 1.05rem;
    }
    .cta-section .btn {
        position: relative;
        z-index: 1;
    }

    /* Footer */
    .site-footer {
        background: #0f172a;
        color: #94a3b8;
        padding: 56px 0 32px;
        margin-top: 72px;
    }
    .footer-top {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 24px;
        padding-bottom: 32px;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
    }
    .footer-brand {
        color: #fff;
    }
    .footer-brand:hover {
        background: rgba(255, 255, 255, .1);
    }
    .footer-nav {
        display: flex;
        list-style: none;
        gap: 12px;
        margin: 0;
        padding: 0;
        flex-wrap: wrap;
    }
    .footer-nav a {
        padding: 8px 16px;
        border-radius: 10px;
        font-size: .9rem;
        font-weight: 500;
        color: #94a3b8;
        transition: all var(--transition);
    }
    .footer-nav a:hover {
        background: rgba(255, 255, 255, .1);
        color: #fff;
    }
    .footer-bottom {
        padding-top: 32px;
        text-align: center;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .footer-bottom p {
        margin: 0;
        font-size: .85rem;
        line-height: 1.6;
    }

    /* Utility */
    .bg-soft {
        background: #f1f5f9;
    }
    .badge-soft {
        background: var(--primary-light);
        color: var(--primary-dark);
        font-weight: 600;
        border-radius: 50px;
        padding: 6px 14px;
        font-size: .85rem;
    }
    .divider {
        width: 56px;
        height: 4px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        border-radius: 4px;
        margin: 1rem 0 2rem;
    }

    /* Responsive */
    @media (max-width: 992px) {
        .section {
            padding: 56px 0;
        }
        .page-banner {
            padding: 150px 0 60px;
        }
        .page-banner h1 {
            font-size: 2.2rem;
        }
        .content-block, .content-block.reverse {
            flex-direction: column;
            gap: 32px;
        }
        .content-media {
            width: 100%;
        }
    }
    @media (max-width: 767px) {
        .section {
            padding: 44px 0;
        }
        .site-header {
            margin-bottom: -70px;
        }
        .nav-panel {
            flex-wrap: wrap;
            position: relative;
            padding: 12px;
        }
        .nav-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-left: auto;
        }
        .nav-menu {
            display: none;
            width: 100%;
            flex-direction: column;
            gap: 8px;
            padding: 12px 0 4px;
            background: #fff;
            border-top: 1px solid var(--border);
            margin-top: 8px;
        }
        .nav-menu.open {
            display: flex;
        }
        .nav-menu .nav-link {
            width: 100%;
            padding: 12px 16px;
        }
        .btn-nav {
            display: none;
        }
        .page-banner h1 {
            font-size: 1.75rem;
        }
        .page-banner .lead {
            font-size: 1rem;
        }
        .section-title {
            font-size: 1.6rem;
        }
        .cta-section {
            padding: 40px 24px;
            border-radius: 18px;
        }
        .cta-section h2 {
            font-size: 1.5rem;
        }
        .footer-top {
            flex-direction: column;
            align-items: flex-start;
        }
    }
    @media (max-width: 520px) {
        body {
            font-size: 15px;
        }
        .page-banner {
            padding: 140px 0 48px;
        }
        .page-banner h1 {
            font-size: 1.5rem;
        }
        .btn {
            padding: 10px 18px;
            font-size: .9rem;
        }
        .card-body {
            padding: 1.25rem;
        }
        .step-item {
            padding: 1.5rem 1rem;
        }
        .content-info h2 {
            font-size: 1.4rem;
        }
        .tips-panel {
            padding: 1.5rem;
        }
    }