/* roulang page: index */
:root{
  --primary:#1B64F2;
  --primary-dark:#0F4FD8;
  --accent:#FF7A1A;
  --mint:#00A88F;
  --bg:#F7FAFC;
  --surface:#FFFFFF;
  --surface-2:#EEF4FB;
  --ink:#0B1B33;
  --body:#334155;
  --muted:#64748B;
  --line:#E2E8F0;
  --shadow-sm:0 4px 14px rgba(16,42,80,.06);
  --shadow-md:0 10px 28px rgba(16,42,80,.10);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--ink);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
h1{font-size:44px;}
h2{font-size:32px;}
h3{font-size:21px;}
p{margin:0 0 1em;}
a{color:var(--primary);text-decoration:none;}
a:hover{color:var(--primary-dark);}
img{max-width:100%;display:block;}
ul,ol{margin:0 0 1em;padding-left:1.2em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid rgba(27,100,242,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.container-wide{max-width:1280px;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--primary);background:var(--surface-2);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);}
.section-head p{color:var(--muted);font-size:17px;margin-bottom:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(27,100,242,.24);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(27,100,242,.28);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(27,100,242,.20);}
.btn-ghost{background:var(--surface);color:var(--primary);border-color:rgba(27,100,242,.35);}
.btn-ghost:hover{background:var(--surface-2);color:var(--primary-dark);border-color:var(--primary);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,26,.24);}
.btn-accent:hover{background:#ea6a0d;color:#fff;transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--primary);border-color:var(--line);}
.btn-light:hover{background:#F2F7FF;color:var(--primary-dark);transform:translateY(-1px);}
.btn:disabled,.btn.is-disabled{background:#CBD5E1;color:#fff;box-shadow:none;cursor:not-allowed;transform:none;}
.btn-sm{padding:10px 18px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;}
.link-arrow svg{transition:transform .2s ease;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--surface-2);color:var(--primary);border:1px solid var(--line);
}
.tag-mint{background:rgba(0,168,143,.10);color:#017a68;border-color:rgba(0,168,143,.22);}
.tag-accent{background:rgba(255,122,26,.10);color:#c95f0c;border-color:rgba(255,122,26,.24);}
.tag-muted{background:#F1F5F9;color:var(--muted);border-color:var(--line);}
.badge-status{font-size:13px;font-weight:600;padding:5px 12px;border-radius:var(--radius-pill);}
.status-open{background:rgba(27,100,242,.10);color:var(--primary-dark);}
.status-soon{background:rgba(255,122,26,.12);color:#c95f0c;}
.status-done{background:#F1F5F9;color:var(--muted);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(16,42,80,.04);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--ink);font-weight:700;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(135deg,var(--primary),#3E8BFF);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(27,100,242,.28);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.01em;}
.brand-text span{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:12px;}
.nav-links a{
  position:relative;display:block;padding:10px 14px;border-radius:8px;
  font-size:16px;font-weight:500;color:var(--body);
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--primary-dark);background:var(--surface-2);}
.nav-links a.active{color:var(--primary);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--surface-2);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:8px 14px;height:42px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(27,100,242,.12);}
.nav-search svg{width:16px;height:16px;color:var(--muted);flex-shrink:0;}
.nav-search input{border:0;background:transparent;outline:none;font-size:15px;color:var(--ink);width:150px;}
.nav-search input::placeholder{color:var(--muted);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:10px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle svg{width:22px;height:22px;color:var(--ink);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(105deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 48%,rgba(238,244,251,.82) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:76px 0 84px;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(27,100,242,.10),rgba(27,100,242,0) 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;position:relative;z-index:2;}
.hero h1{font-size:46px;line-height:1.28;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:18px;color:var(--body);max-width:560px;margin-bottom:26px;}
.hero-points{list-style:none;padding:0;margin:0 0 30px;display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--body);font-weight:500;}
.hero-points svg{width:17px;height:17px;color:var(--mint);flex-shrink:0;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-search{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-md);padding:18px;display:grid;grid-template-columns:1fr 1fr auto;gap:12px;
}
.hero-search label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:6px;letter-spacing:.04em;}
.hero-search select,.hero-search input{
  width:100%;height:46px;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.hero-search select:focus,.hero-search input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,100,242,.12);}
.hero-search .btn{height:46px;width:100%;}
.hero-visual{position:relative;}
.hero-visual img{border-radius:20px;box-shadow:var(--shadow-md);aspect-ratio:4/3;object-fit:cover;width:100%;}
.hero-float{
  position:absolute;left:-18px;bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-md);padding:14px 18px;display:flex;align-items:center;gap:12px;
}
.hero-float .num{font-size:24px;font-weight:700;color:var(--primary);line-height:1;}
.hero-float .txt{font-size:13px;color:var(--muted);line-height:1.4;}

/* ============ 信任条 ============ */
.trust{background:var(--surface);border-bottom:1px solid var(--line);padding:40px 0;}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.trust-item{display:flex;gap:14px;align-items:flex-start;}
.trust-item .ico{
  width:44px;height:44px;border-radius:12px;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.trust-item .ico svg{width:22px;height:22px;color:var(--primary);}
.trust-item .num{font-size:24px;font-weight:700;color:var(--ink);line-height:1.2;}
.trust-item .lbl{font-size:14px;color:var(--muted);}

/* ============ 卡片网格 ============ */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#D6E2F2;}
.card-body{padding:24px;}
.card img.cover{width:100%;aspect-ratio:16/9;object-fit:cover;}
.card h3{margin-bottom:10px;font-size:20px;}
.card p{color:var(--muted);font-size:15.5px;margin-bottom:16px;}
.card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;}
.card-meta .sep{width:1px;height:12px;background:var(--line);}
.feature-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:24px;align-items:stretch;}
.feature-grid .card:first-child .card-body{padding:30px;}
.feature-grid .card:first-child h3{font-size:23px;}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:0;}
.timeline-track{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.tl-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 22px;box-shadow:var(--shadow-sm);transition:box-shadow .22s ease,transform .22s ease;}
.tl-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.tl-item::before{
  content:"";position:absolute;top:-10px;left:22px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.tl-item.soon::before{border-color:var(--accent);}
.tl-item.done::before{border-color:#CBD5E1;}
.tl-step{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--muted);margin-bottom:8px;}
.tl-item h3{font-size:18px;margin-bottom:8px;}
.tl-item p{font-size:14.5px;color:var(--muted);margin-bottom:14px;}

/* ============ 亮点 ============ */
.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.hl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-sm);transition:box-shadow .22s ease,transform .22s ease;
}
.hl-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.hl-ico{width:46px;height:46px;border-radius:13px;background:var(--surface-2);display:flex;align-items:center;justify-content:center;margin-bottom:16px;}
.hl-ico svg{width:23px;height:23px;color:var(--primary);}
.hl-card h3{font-size:18px;margin-bottom:8px;}
.hl-card p{font-size:14.5px;color:var(--muted);margin-bottom:0;}

/* ============ 套餐对比 ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:32px 28px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.plan:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.plan.recommended{border:2px solid var(--primary);box-shadow:0 14px 34px rgba(27,100,242,.14);}
.plan-flag{
  position:absolute;top:-13px;left:28px;background:var(--primary);color:#fff;
  font-size:12.5px;font-weight:600;padding:5px 14px;border-radius:var(--radius-pill);
}
.plan h3{font-size:21px;margin-bottom:6px;}
.plan .plan-for{font-size:14px;color:var(--muted);margin-bottom:18px;}
.plan .price{font-size:30px;font-weight:700;color:var(--ink);line-height:1;margin-bottom:6px;}
.plan .price small{font-size:14px;font-weight:500;color:var(--muted);}
.plan .price-note{font-size:13px;color:var(--muted);margin-bottom:22px;}
.plan ul{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:12px;}
.plan ul li{display:flex;gap:10px;font-size:15px;color:var(--body);line-height:1.6;}
.plan ul li svg{width:18px;height:18px;color:var(--mint);flex-shrink:0;margin-top:4px;}
.plan .btn{width:100%;margin-top:auto;}

/* ============ 报名 CTA 区 ============ */
.cta-band{
  background:linear-gradient(120deg,#124FCB 0%,var(--primary) 58%,#3E8BFF 100%);
  border-radius:22px;padding:56px;color:#fff;position:relative;overflow:hidden;
  box-shadow:0 22px 50px rgba(16,66,160,.22);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.09);
}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.86);margin-bottom:0;max-width:560px;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;position:relative;z-index:2;align-items:start;}
.cta-form{background:#fff;border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-md);}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;height:46px;border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row textarea{height:92px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,100,242,.12);}
.form-row input:disabled{background:#F1F5F9;color:var(--muted);cursor:not-allowed;}
.form-hint{font-size:13px;color:var(--muted);margin-top:12px;}
.form-note{font-size:13.5px;color:var(--mint);font-weight:600;margin-top:10px;}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);color:inherit;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#D6E2F2;color:inherit;}
.news-card .thumb{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--surface-2);}
.news-card .nb{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-card h3{font-size:18.5px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{font-size:15px;color:var(--muted);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;}
.news-meta .cat{color:var(--primary);font-weight:600;}
.empty-state{
  border:1px dashed #C9D8EC;background:var(--surface);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;
}
.empty-state svg{width:44px;height:44px;color:#A9BDD8;margin-bottom:14px;}
.empty-state p{color:var(--muted);margin-bottom:18px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{border-left:3px solid var(--primary);box-shadow:var(--shadow-md);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 26px;font-size:17.5px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  width:26px;height:26px;border-radius:50%;background:var(--surface-2);color:var(--primary);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:18px;line-height:1;
  transition:transform .22s ease,background .22s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:rgba(27,100,242,.12);}
.faq-item .faq-body{padding:0 26px 24px;color:var(--muted);font-size:15.5px;}
.faq-item .faq-body p:last-child{margin-bottom:0;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,#2F7BFF,#5AA0FF);}
.footer-brand strong{color:#fff;font-size:17px;font-weight:700;}
.site-footer p{font-size:14.5px;color:rgba(255,255,255,.62);line-height:1.8;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:600;}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:11px;}
.footer-links a{color:rgba(255,255,255,.68);font-size:14.5px;transition:color .18s ease;}
.footer-links a:hover{color:#fff;}
.footer-contact{list-style:none;padding:0;margin:0;display:grid;gap:12px;font-size:14.5px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.68);}
.footer-contact svg{width:17px;height:17px;color:#5AA0FF;flex-shrink:0;margin-top:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.52);
}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .hero h1{font-size:38px;}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .feature-grid .card:first-child{grid-column:1 / -1;}
  .highlight-grid{grid-template-columns:repeat(2,1fr);}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .timeline-track{grid-template-columns:repeat(3,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:980px){
  .nav-links{
    display:none;position:absolute;top:72px;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow-md);
    flex-direction:column;align-items:stretch;gap:2px;padding:14px 18px 18px;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:13px 12px;font-size:16px;}
  .nav-links a.active::after{display:none;}
  .nav-links a.active{background:var(--surface-2);}
  .nav-toggle{display:flex;}
  .nav-search{display:none;}
  .nav-wrap{position:relative;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{order:-1;}
  .hero h1{font-size:34px;}
  .section{padding:72px 0;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .plan-grid{grid-template-columns:1fr;}
  .plan.recommended{order:-1;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:760px){
  body{font-size:16px;}
  h1{font-size:30px;}
  h2{font-size:25px;}
  .hero{padding:52px 0 60px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:16.5px;}
  .hero-search{grid-template-columns:1fr;}
  .hero-float{position:static;margin-top:16px;}
  .timeline-track{grid-template-columns:1fr;}
  .highlight-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .container{padding:0 18px;}
  .section{padding:60px 0;}
}
@media (max-width:520px){
  .brand-text span{display:none;}
  .hero-actions .btn{width:100%;}
  .feature-grid{grid-template-columns:1fr;}
  .faq-item summary{padding:18px;font-size:16.5px;}
  .faq-item .faq-body{padding:0 18px 20px;}
}

/* roulang page: article */
:root{
  --primary:#1B64F2;
  --primary-dark:#0F4FD8;
  --accent:#FF7A1A;
  --mint:#00A88F;
  --bg:#F7FAFC;
  --surface:#FFFFFF;
  --surface-2:#EEF4FB;
  --ink:#0B1B33;
  --body:#334155;
  --muted:#64748B;
  --line:#E2E8F0;
  --shadow-sm:0 4px 14px rgba(16,42,80,.06);
  --shadow-md:0 10px 28px rgba(16,42,80,.10);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid rgba(27,100,242,.55);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 10px rgba(16,42,80,.04);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(140deg,var(--primary),#3E82FF);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(27,100,242,.28);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:17px;color:var(--ink);font-weight:700;letter-spacing:.2px;}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.6px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;color:var(--body);font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--primary);background:var(--surface-2);}
.nav-links a.active{color:var(--primary);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:#F2F6FC;border:1px solid transparent;
  border-radius:var(--radius-pill);padding:8px 16px;width:220px;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-search svg{width:17px;height:17px;color:var(--muted);flex:0 0 auto;}
.nav-search input{border:none;background:transparent;outline:none;width:100%;font-size:14px;}
.nav-search input::placeholder{color:#94A3B8;}
.nav-search:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(27,100,242,.12);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:600;font-size:15px;
  padding:12px 24px;border:1px solid transparent;
  transition:transform .18s ease,background .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(27,100,242,.24);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--primary);border-color:rgba(27,100,242,.35);}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--ink);
}
.nav-toggle svg{width:20px;height:20px;}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:16px 0;font-size:14px;color:var(--muted);}
.crumb a{color:var(--muted);transition:color .2s ease;}
.crumb a:hover{color:var(--primary);}
.crumb .sep{color:#CBD5E1;}
.crumb .current{color:var(--ink);font-weight:500;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- article layout ---------- */
.page-main{padding:40px 0 88px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start;}

.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);padding:40px;overflow:hidden;
}
.article-head{border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:30px;}
.cat-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(27,100,242,.10);color:var(--primary);
  border-radius:var(--radius-pill);padding:5px 14px;font-size:13px;font-weight:600;
}
.article-head h1{
  font-size:34px;line-height:1.45;color:var(--ink);font-weight:700;
  margin:16px 0 14px;letter-spacing:.2px;
}
.article-lead{
  font-size:16px;color:var(--muted);line-height:1.9;
  padding-left:16px;border-left:3px solid rgba(27,100,242,.35);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  margin-top:22px;font-size:13px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta svg{width:15px;height:15px;color:#9AA8BC;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CBD5E1;padding:0;}

.article-body{font-size:17px;line-height:1.95;color:var(--body);max-width:820px;}
.article-body>*+*{margin-top:1em;}
.article-body h2{
  font-size:26px;color:var(--ink);font-weight:700;line-height:1.5;
  margin:2em 0 .7em;padding-left:14px;border-left:4px solid var(--primary);
}
.article-body h3{font-size:20px;color:var(--ink);font-weight:600;margin:1.7em 0 .6em;}
.article-body h4{font-size:17px;color:var(--ink);font-weight:600;margin:1.5em 0 .5em;}
.article-body p{margin:0 0 1em;}
.article-body strong{color:var(--ink);}
.article-body a{color:var(--primary);font-weight:500;border-bottom:1px solid rgba(27,100,242,.3);}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body img{border-radius:12px;margin:1.4em auto;box-shadow:var(--shadow-sm);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:4px;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:24px;margin-bottom:.55em;
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--primary);opacity:.7;
}
.article-body ol{counter-reset:olnum;}
.article-body ol li::before{
  counter-increment:olnum;content:counter(olnum);
  position:absolute;left:0;top:.34em;
  width:18px;height:18px;border-radius:50%;
  background:rgba(27,100,242,.12);color:var(--primary);
  font-size:11px;font-weight:700;line-height:18px;text-align:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;background:var(--surface-2);
  border-left:4px solid var(--primary);border-radius:0 12px 12px 0;
  color:var(--ink);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body th{background:var(--surface-2);color:var(--ink);font-weight:600;}
.article-body pre{
  background:#0B1B33;color:#E2E8F0;padding:18px 20px;border-radius:12px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.4em 0;
}
.article-body code{
  background:rgba(27,100,242,.08);color:var(--primary-dark);
  padding:2px 7px;border-radius:6px;font-size:.92em;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}

.state-empty{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);
  border-radius:var(--radius-card);background:var(--surface-2);
}
.state-empty .icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 18px;
  background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
}
.state-empty .icon svg{width:26px;height:26px;}
.state-empty h3{font-size:19px;color:var(--ink);margin-bottom:8px;}
.state-empty p{color:var(--muted);font-size:15px;margin-bottom:20px;}

.article-foot{
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--surface-2);color:var(--body);font-size:13px;
  border:1px solid transparent;transition:all .2s ease;
}
.tag:hover{background:#fff;border-color:var(--primary);color:var(--primary);}
.back-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
}
.back-link svg{width:16px;height:16px;transition:transform .2s ease;}
.back-link:hover svg{transform:translateX(4px);}

/* ---------- sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);padding:24px;
}
.side-card h3{
  font-size:16px;color:var(--ink);font-weight:700;margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--primary);}
.side-list li+li{margin-top:14px;padding-top:14px;border-top:1px solid var(--line);}
.side-list a{display:block;font-size:15px;color:var(--body);font-weight:500;line-height:1.6;transition:color .2s ease;}
.side-list a:hover{color:var(--primary);}
.side-list .meta{display:block;margin-top:6px;font-size:12px;color:var(--muted);}
.side-cta{
  background:linear-gradient(150deg,#123F9E,#1B64F2);
  color:#fff;border-radius:var(--radius-card);padding:26px;
  box-shadow:0 14px 32px rgba(16,42,80,.18);
}
.side-cta h3{font-size:18px;font-weight:700;margin-bottom:10px;color:#fff;}
.side-cta p{font-size:14px;color:rgba(255,255,255,.82);line-height:1.8;margin-bottom:18px;}
.side-cta .btn{width:100%;background:#fff;color:var(--primary);}
.side-cta .btn:hover{background:#EAF1FF;transform:translateY(-1px);}

/* ---------- related ---------- */
.section{padding:72px 0;background:#fff;border-top:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{font-size:28px;color:var(--ink);font-weight:700;line-height:1.5;}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#CFE0FA;}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;color:var(--ink);font-weight:600;line-height:1.55;}
.card-body p{font-size:14px;color:var(--muted);line-height:1.8;}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.card-foot .more{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:4px;}
.card-foot .more svg{width:14px;height:14px;transition:transform .2s ease;}
.card:hover .card-foot .more svg{transform:translateX(4px);}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(135deg,#0E3E9E 0%,#1B64F2 62%,#3E82FF 100%);
  color:#fff;border-radius:20px;padding:52px 48px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:32px;align-items:center;
  box-shadow:0 18px 44px rgba(16,42,80,.22);
}
.cta-band h2{font-size:30px;font-weight:700;line-height:1.5;color:#fff;}
.cta-band p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.85);line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-actions .btn-light{background:#fff;color:var(--primary);}
.cta-actions .btn-light:hover{background:#EAF1FF;transform:translateY(-1px);}
.cta-actions .btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.cta-actions .btn-line:hover{background:rgba(255,255,255,.12);transform:translateY(-1px);}

/* ---------- footer ---------- */
.site-footer{background:#0B1B33;color:#B7C4D8;padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:700;}
.site-footer p{font-size:14px;line-height:1.9;color:#93A4BC;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-links li+li{margin-top:12px;}
.footer-links a{font-size:14px;color:#B7C4D8;transition:color .2s ease;}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:#B7C4D8;}
.footer-contact li+li{margin-top:14px;}
.footer-contact svg{width:17px;height:17px;flex:0 0 auto;margin-top:4px;color:#5B90F5;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7E90AA;
}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .container{max-width:1120px;}
}
@media (max-width:1024px){
  .nav-search{width:170px;}
  .nav-links a{padding:10px 10px;font-size:14px;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .sidebar{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:44px 34px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:768px){
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 24px 20px;box-shadow:var(--shadow-md);
  }
  .nav-links.open{display:flex;}
  .nav-links a.active::after{display:none;}
  .nav-links a.active{background:var(--surface-2);}
  .nav-toggle{display:flex;}
  .nav-search{display:none;}
  .nav-wrap{gap:14px;height:66px;}
  .brand-text span{display:none;}
  .page-main{padding:28px 0 64px;}
  .article-card{padding:26px 20px;border-radius:14px;}
  .article-head h1{font-size:26px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:23px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:36px 24px;border-radius:16px;}
  .cta-band h2{font-size:23px;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .article-head h1{font-size:22px;}
  .breadcrumb-gap{display:none;}
  .crumb .current{white-space:normal;}
  .article-meta{gap:12px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .brand-text strong{font-size:15px;}
  .site-footer{padding:48px 0 22px;}
}

/* roulang page: category1 */
:root{
  --primary:#1B64F2;
  --primary-dark:#0F4FD8;
  --accent:#FF7A1A;
  --mint:#00A88F;
  --bg:#F7FAFC;
  --surface:#FFFFFF;
  --surface-2:#EEF4FB;
  --ink:#0B1B33;
  --body:#334155;
  --muted:#64748B;
  --line:#E2E8F0;
  --shadow-sm:0 4px 14px rgba(16,42,80,.06);
  --shadow-md:0 10px 28px rgba(16,42,80,.10);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.32;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
svg{display:block;}
:focus-visible{outline:2px solid rgba(27,100,242,.55);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
main{display:block;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-alt{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--surface-2);color:var(--primary);
  font-size:14px;font-weight:600;letter-spacing:.02em;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
.section-head h2{font-size:34px;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:17px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:600;white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .16s ease,border-color .2s ease;
}
.btn svg{width:18px;height:18px;transition:transform .2s ease;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(27,100,242,.24);}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 10px 24px rgba(27,100,242,.30);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(27,100,242,.22);}
.btn-ghost{background:var(--surface);color:var(--primary);border:1px solid rgba(27,100,242,.35);}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--primary);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,26,.26);}
.btn-accent:hover{background:#EE6C0D;transform:translateY(-1px);}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;padding:0;}
.btn-link svg{width:16px;height:16px;transition:transform .2s ease;}
.btn-link:hover{color:var(--primary-dark);}
.btn-link:hover svg{transform:translateX(4px);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;}
.btn-lg{height:54px;padding:0 32px;font-size:17px;}
.btn:disabled,.btn.is-disabled{background:#E6EBF2;color:#94A3B8;box-shadow:none;cursor:not-allowed;transform:none;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(16,42,80,.05);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#1B64F2,#0F4FD8);
  box-shadow:0 6px 14px rgba(27,100,242,.28);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:16.5px;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.04em;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  position:relative;padding:8px 14px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;color:var(--body);
}
.nav-links a:hover{color:var(--primary);background:var(--surface-2);}
.nav-links a.active{color:var(--primary);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--primary);border-radius:2px;
}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 16px;border-radius:var(--radius-pill);
  background:var(--surface-2);border:1px solid transparent;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(27,100,242,.14);}
.nav-search svg{width:17px;height:17px;color:var(--muted);flex-shrink:0;}
.nav-search input{border:0;background:transparent;outline:none;width:150px;font-size:14.5px;color:var(--ink);}
.nav-search input::placeholder{color:var(--muted);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-btn);
  align-items:center;justify-content:center;color:var(--ink);
  border:1px solid var(--line);background:var(--surface);
}
.nav-toggle svg{width:22px;height:22px;}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% 12%,rgba(27,100,242,.10),transparent 62%),
    radial-gradient(620px 320px at 6% 92%,rgba(0,168,143,.08),transparent 66%),
    var(--bg);
  padding:76px 0 88px;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:120px;
  background-image:radial-gradient(rgba(27,100,242,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.35;pointer-events:none;
  -webkit-mask-image:linear-gradient(to top,#000,transparent);
  mask-image:linear-gradient(to top,#000,transparent);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center;
}
.hero h1{font-size:50px;line-height:1.22;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{font-size:18.5px;color:var(--body);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:34px;padding-top:26px;border-top:1px solid var(--line);}
.hero-fact strong{display:block;font-size:28px;color:var(--ink);font-weight:700;line-height:1.2;}
.hero-fact span{font-size:14px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:22px;box-shadow:var(--shadow-md);
  aspect-ratio:4/3;object-fit:cover;
}
.hero-tag{
  position:absolute;left:-16px;bottom:26px;
  display:flex;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-pill);padding:12px 20px;box-shadow:var(--shadow-md);
}
.hero-tag .dot{width:9px;height:9px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(0,168,143,.16);}
.hero-tag b{font-size:15px;color:var(--ink);}
.hero-tag small{color:var(--muted);font-size:13px;}

/* ---------- Trust bar ---------- */
.trust{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);}
.trust-item{background:var(--surface);padding:30px 26px;display:flex;gap:14px;align-items:flex-start;}
.trust-item .ico{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface-2);color:var(--primary);
}
.trust-item .ico svg{width:21px;height:21px;}
.trust-item h3{font-size:16px;margin-bottom:4px;}
.trust-item p{font-size:14px;color:var(--muted);margin:0;line-height:1.7;}

/* ---------- Intro ---------- */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start;}
.intro-text h2{font-size:32px;margin-bottom:18px;}
.intro-text p{font-size:17px;}
.intro-list{display:grid;gap:14px;margin-top:26px;}
.intro-list li{display:flex;gap:12px;align-items:flex-start;font-size:16px;}
.intro-list svg{width:20px;height:20px;color:var(--mint);flex-shrink:0;margin-top:5px;}
.intro-side{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px;box-shadow:var(--shadow-sm);
}
.intro-side h3{font-size:19px;margin-bottom:18px;}
.side-row{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:15px;}
.side-row:last-of-type{border-bottom:0;}
.side-row span{color:var(--muted);}
.side-row b{color:var(--ink);font-weight:600;}
.intro-side .btn{width:100%;margin-top:22px;}

/* ---------- Filters ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;}
.chip{
  height:42px;padding:0 20px;display:inline-flex;align-items:center;gap:8px;
  border-radius:var(--radius-pill);border:1px solid var(--line);background:var(--surface);
  font-size:15px;font-weight:600;color:var(--body);
  transition:all .2s ease;
}
.chip:hover{border-color:rgba(27,100,242,.45);color:var(--primary);transform:translateY(-1px);}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(27,100,242,.24);}
.chip i{font-style:normal;font-size:13px;opacity:.7;}

/* ---------- Event cards ---------- */
.event-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.event-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.event-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:#CFDDF2;}
.event-card.feature{grid-column:span 2;flex-direction:row;}
.event-figure{position:relative;overflow:hidden;}
.event-card:not(.feature) .event-figure{aspect-ratio:16/9;}
.event-card.feature .event-figure{flex:0 0 46%;aspect-ratio:auto;min-height:100%;}
.event-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.event-card:hover .event-figure img{transform:scale(1.04);}
.event-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.event-card.feature .event-body{padding:32px 32px 30px;justify-content:center;}
.event-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;line-height:1.6;
}
.badge-primary{background:rgba(27,100,242,.10);color:var(--primary);}
.badge-accent{background:rgba(255,122,26,.12);color:#D9600C;}
.badge-mint{background:rgba(0,168,143,.12);color:#00806D;}
.badge-muted{background:#EEF2F7;color:var(--muted);}
.event-card h3{font-size:20px;}
.event-card.feature h3{font-size:25px;}
.event-card p{font-size:15.5px;color:var(--muted);margin:0;}
.event-facts{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;color:var(--body);margin-top:2px;}
.event-facts span{display:inline-flex;align-items:center;gap:6px;}
.event-facts svg{width:15px;height:15px;color:var(--primary);}
.event-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:30px 26px 28px;box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.step-num{
  counter-increment:step;
  width:42px;height:42px;border-radius:12px;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface-2);color:var(--primary);font-weight:700;font-size:17px;
}
.step-num::before{content:"0" counter(step);}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:15px;color:var(--muted);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:14px;}
.faq{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq[open]{border-color:#CFDDF2;box-shadow:var(--shadow-sm);}
.faq summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 62px 22px 26px;font-size:17.5px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--primary);opacity:0;transition:opacity .2s ease;
}
.faq[open] summary::before{opacity:1;}
.faq summary::after{
  content:"";position:absolute;right:26px;top:50%;
  width:11px;height:11px;margin-top:-7px;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .25s ease,border-color .2s ease;
}
.faq[open] summary::after{transform:rotate(-135deg);margin-top:-2px;border-color:var(--primary);}
.faq summary:hover{color:var(--primary);}
.faq-body{padding:0 26px 26px;font-size:16px;color:var(--body);max-width:800px;}
.faq-body p{margin:0;}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;border-radius:24px;
  background:linear-gradient(120deg,#0F4FD8 0%,#1B64F2 52%,#3B7CF6 100%);
  padding:56px 56px;color:#fff;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
  box-shadow:0 18px 44px rgba(15,79,216,.26);
}
.cta::after{
  content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.20),transparent 68%);
}
.cta h2{color:#fff;font-size:32px;margin-bottom:14px;}
.cta p{color:rgba(255,255,255,.88);font-size:16.5px;margin:0;max-width:520px;}
.cta-form{
  position:relative;z-index:2;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.28);border-radius:var(--radius-card);
  padding:26px;backdrop-filter:blur(4px);
}
.cta-form label{display:block;font-size:14px;color:rgba(255,255,255,.9);margin-bottom:8px;font-weight:600;}
.cta-form .field{display:grid;gap:14px;}
.cta-form input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.94);
  color:var(--ink);outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:#94A3B8;}
.cta-form input:focus{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.35);}
.cta-form .btn{width:100%;}
.cta-form small{display:block;margin-top:12px;font-size:13px;color:rgba(255,255,255,.78);}

/* ---------- Footer ---------- */
.site-footer{background:#0B1B33;color:rgba(255,255,255,.72);padding:72px 0 30px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{width:38px;height:38px;}
.footer-brand strong{color:#fff;font-size:17px;}
.site-footer p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.66);max-width:420px;margin:0;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:15px;color:rgba(255,255,255,.68);}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:15px;margin-bottom:13px;color:rgba(255,255,255,.68);}
.footer-contact svg{width:17px;height:17px;flex-shrink:0;margin-top:4px;color:#5B8CF8;}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:14px;color:rgba(255,255,255,.5);
}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .container{max-width:1120px;}
  .hero h1{font-size:44px;}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-sub{max-width:none;}
  .hero-visual img{aspect-ratio:16/10;}
  .intro-grid{grid-template-columns:1fr;gap:36px;}
  .event-grid{grid-template-columns:repeat(2,1fr);}
  .event-card.feature{grid-column:span 2;flex-direction:column;}
  .event-card.feature .event-figure{flex:none;aspect-ratio:16/9;min-height:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta{grid-template-columns:1fr;padding:44px 36px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .section-sm{padding:48px 0;}
  .nav-wrap{height:66px;gap:14px;}
  .nav-links{
    position:absolute;top:66px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--surface);border-bottom:1px solid var(--line);
    padding:12px 20px 18px;box-shadow:var(--shadow-md);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:12px 14px;font-size:16px;}
  .nav-links a.active::after{display:none;}
  .nav-links a.active{background:var(--surface-2);}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-tools .btn-sm{display:none;}
  .brand-text span{display:none;}
  .hero{padding:48px 0 60px;}
  .hero h1{font-size:31px;}
  .hero-sub{font-size:17px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-facts{gap:22px;}
  .hero-fact strong{font-size:23px;}
  .hero-tag{left:12px;bottom:12px;padding:10px 16px;}
  .section-head h2{font-size:25px;}
  .intro-text h2{font-size:25px;}
  .event-grid{grid-template-columns:1fr;}
  .event-card.feature{grid-column:span 1;}
  .event-card.feature h3{font-size:21px;}
  .event-card.feature .event-body{padding:24px 22px 26px;}
  .steps{grid-template-columns:1fr;}
  .cta{padding:34px 24px;border-radius:18px;}
  .cta h2{font-size:25px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{justify-content:flex-start;}
  .faq summary{font-size:16.5px;padding:18px 54px 18px 20px;}
  .faq-body{padding:0 20px 22px;}
}
@media (max-width:640px){
  .container{padding:0 18px;}
  .trust-grid{grid-template-columns:1fr;}
  .hero h1{font-size:28px;}
  .filters{gap:8px;}
  .chip{height:38px;padding:0 15px;font-size:14px;}
}
@media (max-width:480px){
  .hero-facts{gap:16px;}
  .hero-fact strong{font-size:21px;}
  .event-body{padding:20px 18px 22px;}
  .cta-form{padding:20px;}
  .brand-text strong{font-size:15px;}
}

/* roulang page: category2 */
:root{
  --primary:#1B64F2;
  --primary-dark:#0F4FD8;
  --accent:#FF7A1A;
  --mint:#00A88F;
  --bg:#F7FAFC;
  --surface:#FFFFFF;
  --surface-2:#EEF4FB;
  --ink:#0B1B33;
  --body:#334155;
  --muted:#64748B;
  --line:#E2E8F0;
  --shadow-sm:0 4px 14px rgba(16,42,80,.06);
  --shadow-md:0 10px 28px rgba(16,42,80,.10);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(27,100,242,.5);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px rgba(16,42,80,.04);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:70px;position:relative}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(135deg,#1B64F2,#0F4FD8);
  display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(27,100,242,.28);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:16px;color:var(--ink);font-weight:700;letter-spacing:.2px}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.4px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--body);transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--primary);background:var(--surface-2)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--primary);
}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:42px;width:210px;padding:0 14px;
  background:var(--surface-2);border:1px solid transparent;border-radius:var(--radius-pill);
  transition:border-color .2s,background .2s,box-shadow .2s;
}
.nav-search svg{width:17px;height:17px;color:var(--muted);flex-shrink:0}
.nav-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.nav-search input::placeholder{color:#94A3B8}
.nav-search:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(27,100,242,.12)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;place-items:center;color:var(--ink);
}
.nav-toggle svg{width:22px;height:22px}
.nav-toggle:hover{background:var(--surface-2)}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s,color .2s,transform .2s,box-shadow .2s,border-color .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(27,100,242,.22)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 24px rgba(27,100,242,.28)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(27,100,242,.22)}
.btn-ghost{background:#fff;color:var(--primary);border-color:rgba(27,100,242,.42)}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--primary)}
.btn-light{background:#fff;color:var(--primary-dark)}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 12px 24px rgba(11,27,51,.18)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{background:#CBD5E1;color:#F8FAFC;box-shadow:none;cursor:not-allowed;transform:none}

/* ===== Page hero ===== */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(11,27,51,.92) 0%,rgba(15,79,216,.76) 52%,rgba(11,27,51,.42) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:radial-gradient(#fff 1px,transparent 1px);
  background-size:22px 22px;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;
  padding:76px 0 92px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:13px;letter-spacing:.6px;color:#EAF1FF;margin-bottom:20px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:#7EF0C8;display:inline-block;font-style:normal}
.page-hero h1{color:#fff;font-size:44px;line-height:1.28;letter-spacing:.4px}
.page-hero h1 em{font-style:normal;color:#FFD59B}
.hero-sub{margin-top:18px;font-size:17px;color:rgba(255,255,255,.86);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-note{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:rgba(255,255,255,.78)}
.hero-note span{display:inline-flex;align-items:center;gap:7px}
.hero-note svg{width:16px;height:16px;color:#7EF0C8}
.hero-card{
  background:rgba(255,255,255,.97);border-radius:20px;padding:16px;
  box-shadow:0 24px 48px rgba(6,20,45,.30);
}
.hero-card img{border-radius:14px;width:100%;height:212px;object-fit:cover}
.hero-card-body{padding:18px 8px 8px}
.hero-card-body h3{font-size:18px;margin-bottom:12px}
.hero-card-body ul li{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--body);
  padding:7px 0;border-bottom:1px dashed var(--line);
}
.hero-card-body ul li:last-child{border-bottom:0}
.hero-card-body li b{color:var(--ink)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--primary);margin-top:9px;flex-shrink:0}
.dot.mint{background:var(--mint)}
.dot.accent{background:var(--accent)}

/* ===== Stat strip ===== */
.stat-strip{position:relative;z-index:5;margin-top:-46px}
.stat-strip-inner{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-md);overflow:hidden;
}
.stat-item{padding:26px 24px;text-align:center;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-item strong{display:block;font-size:30px;color:var(--primary);font-weight:700;letter-spacing:.5px}
.stat-item span{display:block;font-size:14px;color:var(--muted);margin-top:4px}

/* ===== Section base ===== */
.section{padding:88px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.tag{
  display:inline-block;padding:6px 15px;border-radius:var(--radius-pill);
  background:var(--surface-2);color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.6px;margin-bottom:14px;
}
.section-head h2{font-size:34px;line-height:1.35}
.section-head p{margin-top:14px;font-size:16px;color:var(--muted)}

/* ===== Service cards ===== */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.service-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
  display:flex;flex-direction:column;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(27,100,242,.35)}
.service-card img{width:100%;height:186px;object-fit:cover}
.service-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.service-card h3{font-size:19px;margin-bottom:10px}
.service-card p{font-size:15px;color:var(--muted);margin-bottom:16px}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.chip{
  display:inline-block;padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12.5px;color:var(--primary);background:var(--surface-2);font-weight:500;
}
.chip.mint{color:#04786A;background:rgba(0,168,143,.12)}
.chip.accent{color:#B4530A;background:rgba(255,122,26,.13)}
.chip.gray{color:var(--muted);background:#F1F5F9}

/* ===== Tier compare ===== */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch}
.tier-card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:20px;padding:30px 26px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.tier-card.featured{
  border:2px solid var(--primary);
  box-shadow:0 18px 40px rgba(27,100,242,.16);
  transform:translateY(-8px);
}
.tier-card.featured:hover{transform:translateY(-12px)}
.tier-badge{
  position:absolute;top:-14px;left:26px;
  background:var(--primary);color:#fff;font-size:12.5px;font-weight:600;
  padding:5px 14px;border-radius:var(--radius-pill);letter-spacing:.5px;
  box-shadow:0 8px 18px rgba(27,100,242,.28);
}
.tier-card h3{font-size:21px;margin-bottom:8px}
.tier-for{font-size:14px;color:var(--muted);min-height:44px}
.tier-price{
  margin:18px 0 8px;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.tier-price b{font-size:26px;color:var(--ink);font-weight:700}
.tier-price span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
.tier-list{margin:18px 0 26px;display:flex;flex-direction:column;gap:11px}
.tier-list li{display:flex;gap:10px;font-size:14.5px;align-items:flex-start}
.tier-list svg{width:17px;height:17px;color:var(--mint);flex-shrink:0;margin-top:5px}
.tier-card .btn{margin-top:auto}

/* ===== Timeline ===== */
.timeline{position:relative;max-width:920px;margin:0 auto;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(27,100,242,.55),rgba(27,100,242,.12));
}
.step{position:relative;padding:0 0 30px 26px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-33px;top:9px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 4px rgba(27,100,242,.12);
}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  display:flex;flex-wrap:wrap;align-items:flex-start;gap:16px;
  transition:transform .22s,box-shadow .22s;
}
.step-card:hover{transform:translateX(4px);box-shadow:var(--shadow-md)}
.step-index{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:var(--surface-2);color:var(--primary);
  display:grid;place-items:center;font-weight:700;font-size:15px;
}
.step-main{flex:1;min-width:220px}
.step-main h3{font-size:18px;margin-bottom:6px}
.step-main p{font-size:15px;color:var(--muted)}
.status{
  display:inline-block;padding:5px 13px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;white-space:nowrap;
}
.status.blue{color:var(--primary);background:rgba(27,100,242,.10)}
.status.orange{color:#B4530A;background:rgba(255,122,26,.14)}
.status.gray{color:var(--muted);background:#F1F5F9}

/* ===== Feature grid ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 26px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(27,100,242,.3)}
.feature-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--surface-2);color:var(--primary);
}
.feature-icon svg{width:23px;height:23px}
.feature-card h3{font-size:18px;margin-bottom:10px}
.feature-card p{font-size:15px;color:var(--muted)}
.feature-card.mint .feature-icon{background:rgba(0,168,143,.12);color:#04786A}
.feature-card.accent .feature-icon{background:rgba(255,122,26,.13);color:#B4530A}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .2s,border-color .2s;
}
.faq-item:hover{box-shadow:var(--shadow-md);border-color:rgba(27,100,242,.28)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 26px;position:relative;
  font-size:17px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:10px;height:10px;flex-shrink:0;
  border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
  transform:rotate(45deg);transition:transform .25s;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--primary)}
.faq-item[open]{border-left:3px solid var(--primary)}
.faq-answer{padding:0 26px 22px;font-size:15.5px;color:var(--body)}
.faq-answer p{margin:0}

/* ===== CTA / Form ===== */
.cta-section{padding:88px 0}
.cta-band{
  background:linear-gradient(120deg,#EEF4FB 0%,#E3EDFC 100%);
  border:1px solid #D5E3F8;border-radius:24px;padding:52px;
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start;
}
.cta-copy h2{font-size:32px;margin-bottom:16px}
.cta-copy p{font-size:16px;color:var(--body)}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:13px}
.cta-points li{display:flex;gap:11px;font-size:15px;align-items:flex-start;color:var(--ink);font-weight:500}
.cta-points svg{width:19px;height:19px;color:var(--mint);flex-shrink:0;margin-top:4px}
.lead-form{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:28px;box-shadow:var(--shadow-md);
}
.lead-form h3{font-size:19px;margin-bottom:6px}
.lead-form .form-hint{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink)}
.field input,.field select,.field textarea{
  height:46px;padding:0 14px;border:1px solid var(--line);border-radius:10px;
  background:#fff;outline:none;transition:border-color .2s,box-shadow .2s;font-size:15px;
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,100,242,.14);
}
.field input::placeholder,.field textarea::placeholder{color:#94A3B8}
.lead-form .btn{margin-top:20px}
.form-note{margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.7}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:#94A7C4;padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand strong{color:#fff;font-size:16px}
.site-footer p{font-size:14.5px;line-height:1.85;color:#94A7C4}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:#94A7C4;transition:color .2s,transform .2s;display:inline-block}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:13px}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;align-items:flex-start;line-height:1.7}
.footer-contact svg{width:17px;height:17px;color:#5B8DF5;flex-shrink:0;margin-top:4px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13.5px;color:#7C90AE;
}

/* ===== Responsive ===== */
@media (max-width:1280px){
  .hero-grid{gap:40px}
  .page-hero h1{font-size:40px}
}
@media (max-width:1024px){
  .nav-search{width:170px}
  .nav-links a{padding:9px 10px;font-size:14px}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:60px 0 76px}
  .hero-card{max-width:560px}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .tier-grid{grid-template-columns:1fr;gap:20px}
  .tier-card.featured{transform:none}
  .tier-card.featured:hover{transform:translateY(-4px)}
  .cta-band{grid-template-columns:1fr;padding:36px;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 18px}
  .nav-links{
    position:absolute;top:72px;left:18px;right:18px;margin:0;padding:10px;
    background:#fff;border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--shadow-md);flex-direction:column;align-items:stretch;gap:2px;
    display:none;z-index:70;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;font-size:15px}
  .nav-links a.active::after{display:none}
  .nav-links a.active{background:var(--surface-2)}
  .nav-search{display:none}
  .nav-toggle{display:grid}
  .nav-tools .btn-sm{display:none}
  .brand-text span{display:none}
  .brand-text strong{font-size:15px}
  .page-hero h1{font-size:29px;line-height:1.4}
  .hero-sub{font-size:15.5px}
  .hero-card img{height:180px}
  .stat-strip{margin-top:-32px}
  .stat-strip-inner{grid-template-columns:1fr 1fr;border-radius:16px}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:20px 16px}
  .stat-item:nth-child(odd){border-right:1px solid var(--line)}
  .stat-item:nth-last-child(-n+2){border-bottom:0}
  .stat-item strong{font-size:24px}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .section-head h2{font-size:23px}
  .service-grid,.feature-grid{grid-template-columns:1fr;gap:18px}
  .timeline{padding-left:26px}
  .timeline::before{left:6px}
  .step{padding-left:18px}
  .step::before{left:-27px;width:14px;height:14px}
  .step-card{padding:18px}
  .cta-band{padding:24px;border-radius:18px}
  .cta-copy h2{font-size:24px}
  .form-grid{grid-template-columns:1fr}
  .lead-form{padding:22px}
  .faq-item summary{padding:16px 18px;font-size:16px}
  .faq-answer{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  .page-hero h1{font-size:25px}
  .hero-actions .btn{width:100%}
  .hero-note{gap:8px 16px;font-size:13px}
  .stat-item strong{font-size:21px}
  .stat-item span{font-size:13px}
}