/* roulang page: index */
:root{
  --brand-600:#00A98F;
  --brand-500:#12BFA1;
  --brand-050:#E6F7F3;
  --brand-100:#C9EFE7;
  --accent-500:#FF6B2C;
  --accent-050:#FFF1E9;
  --ink-900:#0D1B1A;
  --ink-600:#46595A;
  --ink-400:#7C8F8E;
  --line:#E2EDEA;
  --bg:#F4F8F7;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#00A98F 0%,#19CDA6 55%,#8FE9D0 100%);
  --grad-cta:linear-gradient(120deg,#FF6B2C 0%,#FF9147 100%);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-sm:0 8px 24px rgba(13,27,26,.06);
  --shadow-md:0 18px 40px rgba(13,27,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
img{max-width:100%;display:block;border:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid rgba(0,169,143,.35);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-600);background:var(--brand-050);
  border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section-title{font-size:30px;line-height:1.35;font-weight:700;color:var(--ink-900);}
.section-sub{font-size:15px;color:var(--ink-400);margin-top:10px;max-width:640px;}
.text-link{font-size:15px;font-weight:600;color:var(--brand-600);white-space:nowrap;display:inline-flex;align-items:center;gap:8px;}
.text-link i{transition:transform .22s var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:var(--grad-brand);opacity:0;transition:opacity .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(13,27,26,.08);}
.site-header.is-scrolled::before{opacity:1;}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{
  width:42px;height:42px;border-radius:14px 14px 14px 4px;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;box-shadow:0 6px 16px rgba(0,169,143,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-name{font-size:18px;font-weight:700;color:var(--ink-900);letter-spacing:.02em;}
.logo-sub{font-size:11px;color:var(--ink-400);letter-spacing:.04em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-600);
  padding:10px 14px;border-radius:10px;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;
  border-radius:3px;background:var(--grad-brand);transform:scaleX(0);
  transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--ink-900);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-600);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15px;font-weight:600;
  padding:0 22px;height:44px;border:1px solid transparent;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(0,169,143,.26);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(0,169,143,.32);}
.btn-accent{background:var(--grad-cta);color:#fff;box-shadow:0 8px 20px rgba(255,107,44,.28);}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,107,44,.34);}
.btn-outline{background:#fff;color:var(--brand-600);border-color:var(--brand-100);}
.btn-outline:hover{border-color:var(--brand-500);background:var(--brand-050);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand-600);border-color:rgba(255,255,255,.7);}
.btn-light:hover{background:var(--brand-050);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-lg{height:52px;font-size:16px;padding:0 30px;}
.btn-sm{height:40px;font-size:14px;padding:0 18px;}
.btn[disabled],.btn.is-disabled{filter:saturate(.4);cursor:not-allowed;transform:none;box-shadow:none;}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--ink-900);
  align-items:center;justify-content:center;font-size:17px;
}
.nav-drawer{
  display:none;position:fixed;left:0;right:0;top:72px;z-index:80;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 18px 40px rgba(13,27,26,.12);padding:16px 24px 24px;
}
.nav-drawer.open{display:block;}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:600;color:var(--ink-900);
  padding:14px 4px;border-bottom:1px dashed var(--line);
}
.nav-drawer a.drawer-link.active{color:var(--brand-600);}
.drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:18px;}
.drawer-cta .btn{width:100%;}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(160deg,#E6F7F3 0%,#F4F8F7 62%,#F4F8F7 100%);
  padding:64px 0 72px;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(0,169,143,.18),transparent 68%);
  border-radius:50%;
}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;z-index:1;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--brand-100);color:var(--brand-600);
  border-radius:999px;font-size:13px;font-weight:600;padding:8px 16px;
  box-shadow:var(--shadow-sm);
}
.hero-title{
  font-size:42px;line-height:1.25;font-weight:700;color:var(--ink-900);
  margin:20px 0 16px;letter-spacing:-.01em;
}
.hero-title em{font-style:normal;color:var(--brand-600);}
.hero-sub{font-size:18px;line-height:1.7;color:var(--ink-600);font-weight:500;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;border-top:1px dashed var(--line);padding-top:24px;}
.stat{display:flex;flex-direction:column;gap:2px;}
.stat-num{
  font-size:30px;font-weight:700;color:var(--accent-500);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-num span{font-size:15px;font-weight:600;margin-left:2px;}
.stat-label{font-size:13px;color:var(--ink-400);}
.hero-visual{position:relative;}
.hero-frame{
  border-radius:26px;padding:1px;background:var(--grad-brand);
  box-shadow:var(--shadow-md);
}
.hero-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:25px;}
.float-card{
  position:absolute;right:-14px;top:22px;
  background:#fff;border-radius:18px;padding:14px 18px;
  box-shadow:0 14px 30px rgba(13,27,26,.12);
  display:flex;align-items:center;gap:12px;min-width:190px;
}
.float-dot{
  width:10px;height:10px;border-radius:50%;background:var(--brand-500);
  box-shadow:0 0 0 5px rgba(18,191,161,.18);
}
.float-title{font-size:14px;font-weight:700;color:var(--ink-900);line-height:1.4;}
.float-desc{font-size:12px;color:var(--ink-400);line-height:1.4;}

/* ---------- 实时状态条 ---------- */
.live-bar{
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.live-inner{display:flex;align-items:center;flex-wrap:wrap;gap:14px 26px;padding:16px 0;font-size:14px;}
.live-tag{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink-900);
}
.live-tag i{color:var(--accent-500);}
.live-item{display:inline-flex;align-items:center;gap:8px;color:var(--ink-600);}
.live-item i{color:var(--brand-600);font-size:13px;}
.live-item strong{color:var(--ink-900);font-variant-numeric:tabular-nums;}

/* ---------- 精选网格 ---------- */
.grid-feature{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--brand-100);}
.feature-main{display:grid;grid-template-columns:1fr 1.05fr;align-items:stretch;}
.feature-main img{width:100%;height:100%;min-height:290px;object-fit:cover;}
.feature-body{padding:32px;display:flex;flex-direction:column;gap:14px;justify-content:center;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--brand-600);
  background:var(--brand-050);border-radius:999px;padding:5px 12px;
}
.tag-accent{color:var(--accent-500);background:var(--accent-050);}
.feature-body h3{font-size:21px;line-height:1.45;font-weight:600;color:var(--ink-900);}
.feature-body p{font-size:15px;color:var(--ink-600);}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.mini-card{display:grid;grid-template-columns:132px 1fr;align-items:center;}
.mini-card img{width:100%;height:100%;object-fit:cover;}
.mini-body{padding:20px 22px;display:flex;flex-direction:column;gap:8px;}
.mini-body h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink-900);}
.mini-body span.arrow{font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;}

/* ---------- 评价轮播 ---------- */
.reviews{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.carousel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.carousel-nav{display:flex;gap:10px;}
.carousel-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand-600);display:flex;align-items:center;justify-content:center;
  transition:all .22s var(--ease);
}
.carousel-btn:hover{border-color:var(--brand-500);background:var(--brand-050);}
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 22px;scrollbar-width:thin;
}
.review-track::-webkit-scrollbar{height:6px;}
.review-track::-webkit-scrollbar-thumb{background:var(--brand-100);border-radius:999px;}
.review-card{
  flex:0 0 360px;scroll-snap-align:start;background:var(--card);
  border:1px solid var(--line);border-radius:20px;padding:26px;
  box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:14px;
}
.stars{display:flex;gap:4px;font-size:14px;color:var(--accent-500);}
.review-text{font-size:15px;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.review-user{display:flex;align-items:center;gap:12px;border-top:1px dashed var(--line);padding-top:16px;}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--grad-brand);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.review-name{font-size:14px;font-weight:700;color:var(--ink-900);line-height:1.4;}
.review-role{font-size:12px;color:var(--ink-400);line-height:1.4;}

/* ---------- 保障条 ---------- */
.guard{background:var(--brand-050);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.guard-item{display:flex;align-items:center;gap:14px;}
.guard-icon{
  width:32px;height:32px;flex:0 0 32px;border-radius:50%;
  border:1px solid var(--brand-500);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:13px;background:#fff;
}
.guard-title{font-size:15px;font-weight:600;color:var(--ink-900);line-height:1.4;}
.guard-desc{font-size:12px;color:var(--ink-400);line-height:1.5;}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;}
.news-cover{display:block;overflow:hidden;}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--brand-600);}
.news-summary{font-size:14px;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  border-top:1px dashed var(--line);padding-top:14px;font-size:13px;color:var(--ink-400);
}
.news-foot .read-more{font-weight:600;color:var(--brand-600);}
.news-foot .read-more:hover{color:var(--accent-500);}
.empty-card{
  grid-column:1/-1;border:1px dashed var(--brand-100);border-radius:var(--radius-lg);
  background:#fff;padding:56px 24px;text-align:center;color:var(--ink-400);
  display:flex;flex-direction:column;align-items:center;gap:16px;font-size:15px;
}
.empty-card i{font-size:26px;color:var(--brand-500);}

/* ---------- FAQ ---------- */
.faq{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .22s var(--ease);
}
.faq-item.active{border-color:var(--brand-100);box-shadow:var(--shadow-md);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-icon{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;background:var(--brand-050);
  color:var(--brand-600);display:flex;align-items:center;justify-content:center;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.faq-item.active .faq-icon{transform:rotate(45deg);background:var(--accent-050);color:var(--accent-500);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-600);}

/* ---------- 底部转化 CTA ---------- */
.cta-band{background:var(--grad-brand);position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 70%);border-radius:50%;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:56px 0;position:relative;z-index:1;
}
.cta-inner h2{font-size:30px;line-height:1.35;font-weight:700;color:#fff;}
.cta-inner p{margin-top:10px;font-size:16px;color:rgba(255,255,255,.9);}
.cta-actions{display:flex;gap:14px;flex-shrink:0;}
.cta-actions .btn-accent{box-shadow:0 10px 24px rgba(255,107,44,.34);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-brand-name{font-size:17px;font-weight:700;color:#fff;line-height:1.4;}
.footer-brand-sub{font-size:12px;color:rgba(255,255,255,.55);}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links a{
  display:block;font-size:14px;line-height:1.6;padding:10px 0;
  color:rgba(255,255,255,.7);border-bottom:1px solid rgba(255,255,255,.06);
}
.footer-links a:hover{color:var(--brand-500);}
.footer-contact li{font-size:14px;line-height:1.7;padding:6px 0;color:rgba(255,255,255,.7);display:flex;gap:10px;}
.footer-contact i{color:var(--brand-500);margin-top:5px;font-size:13px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:32px;height:32px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:rgba(255,255,255,.8);
}
.footer-social a:hover{background:var(--brand-600);border-color:var(--brand-600);color:#fff;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 移动端常驻条 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;
  background:#fff;border-top:1px solid var(--line);padding:10px 16px;
  box-shadow:0 -8px 24px rgba(13,27,26,.08);gap:10px;
}
.mobile-bar .btn{flex:1;}

@media (max-width:1199px){
  .hero-title{font-size:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-actions .btn-outline{display:none;}
  .nav-burger{display:flex;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .grid-feature{grid-template-columns:1fr;}
  .feature-main{grid-template-columns:1fr;}
  .feature-main img{min-height:230px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .guard-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-title{font-size:24px;}
  .hero{padding:40px 0 48px;}
  .hero-title{font-size:28px;}
  .hero-sub{font-size:16px;}
  .hero-stats{gap:20px;}
  .stat-num{font-size:26px;}
  .float-card{right:8px;top:12px;min-width:0;padding:10px 14px;}
  .mini-card{grid-template-columns:112px 1fr;}
  .news-grid{grid-template-columns:1fr;}
  .review-card{flex:0 0 280px;}
  .carousel-nav{display:none;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .footer-bottom{flex-direction:column;}
  .mobile-bar{display:flex;}
  body{padding-bottom:72px;}
}
@media (max-width:480px){
  .logo-sub{display:none;}
  .guard-grid{grid-template-columns:1fr 1fr;gap:18px;}
  .guard-item{flex-direction:column;align-items:flex-start;gap:10px;}
  body{font-size:15px;}
}

/* roulang page: category1 */
:root{
  --brand-600:#00A98F; --brand-500:#12BFA1; --brand-050:#E6F7F3; --brand-100:#C9EFE7;
  --accent-500:#FF6B2C; --accent-050:#FFF1E9;
  --ink-900:#0D1B1A; --ink-600:#46595A; --ink-400:#7C8F8E;
  --line:#E2EDEA; --bg:#F4F8F7; --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#00A98F 0%,#19CDA6 55%,#8FE9D0 100%);
  --grad-cta:linear-gradient(120deg,#FF6B2C 0%,#FF9147 100%);
  --r-lg:24px; --r-md:18px; --r-sm:14px; --r-pill:999px;
  --sh-card:0 8px 24px rgba(13,27,26,.06);
  --sh-hover:0 18px 40px rgba(13,27,26,.10);
  --sh-nav:0 6px 20px rgba(13,27,26,.08);
  --t:220ms cubic-bezier(.2,.7,.3,1);
  --sec-gap:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--ink-600);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.85;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-500);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
:focus-visible{outline:3px solid rgba(0,169,143,.35);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.stat-num,.data-num{font-variant-numeric:tabular-nums;}
.section{padding:var(--sec-gap) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.section-title{font-size:30px;line-height:1.35;font-weight:700;color:var(--ink-900);}
.section-sub{font-size:14px;color:var(--ink-400);margin-top:8px;}
.section-link{font-size:15px;font-weight:600;color:var(--brand-600);white-space:nowrap;}
.section-link i{margin-left:6px;font-size:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(0,169,143,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(0,169,143,.34);}
.btn-accent{background:var(--grad-cta);color:#fff;box-shadow:0 8px 20px rgba(255,107,44,.3);}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,107,44,.36);}
.btn-ghost{background:#fff;color:var(--brand-600);border:1.5px solid var(--brand-600);}
.btn-ghost:hover{background:var(--brand-050);color:var(--brand-600);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--ink-900);border:1.5px solid rgba(255,255,255,.9);}
.btn-light:hover{color:var(--ink-900);background:#fff;transform:translateY(-2px);}
.btn:disabled,.btn.is-disabled{opacity:.6;filter:saturate(.4);cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);
  border-bottom:1px solid transparent;transition:box-shadow var(--t),border-color var(--t);
}
.site-header::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);
}
.site-header.is-scrolled{box-shadow:var(--sh-nav);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink-900);flex-shrink:0;}
.logo:hover{color:var(--ink-900);}
.logo-mark{
  width:42px;height:42px;border-radius:14px 14px 14px 4px;background:var(--grad-brand);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:19px;
  box-shadow:0 8px 18px rgba(0,169,143,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-name{font-size:19px;font-weight:700;letter-spacing:.5px;color:var(--ink-900);}
.logo-sub{font-size:11px;color:var(--ink-400);letter-spacing:.4px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--ink-600);border-radius:var(--r-sm);transition:color var(--t),background var(--t);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;
  background:var(--grad-brand);opacity:0;transform:scaleX(.3);transition:opacity var(--t),transform var(--t);
}
.nav-link:hover{color:var(--brand-600);background:var(--brand-050);}
.nav-link:hover::after,.nav-link.active::after{opacity:1;transform:scaleX(1);}
.nav-link.active{color:var(--brand-600);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-cta-mobile{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--ink-900);align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{background:var(--brand-050);color:var(--brand-600);}

/* ---------- 分类页首横幅 ---------- */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--brand-050) 0%,var(--bg) 100%);}
.page-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.22;filter:saturate(1.05);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(244,248,247,.94) 0%,rgba(230,247,243,.78) 45%,rgba(244,248,247,.55) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:64px 0 72px;max-width:820px;}
.breadcrumb{font-size:13px;color:var(--ink-400);margin-bottom:18px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.breadcrumb a{color:var(--ink-400);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb span.sep{color:var(--ink-400);opacity:.7;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);border:1px solid var(--brand-100);color:var(--brand-600);
  font-size:13px;font-weight:600;letter-spacing:.3px;margin-bottom:18px;
}
.eyebrow i{font-size:12px;}
.page-title{font-size:42px;line-height:1.25;font-weight:700;color:var(--ink-900);letter-spacing:-.5px;}
.page-sub{font-size:17px;color:var(--ink-600);margin-top:16px;max-width:640px;}
.hero-badges{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap;}
.stat-badge{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:14px 22px;box-shadow:var(--sh-card);
}
.stat-badge i{font-size:20px;color:var(--brand-600);}
.stat-badge .stat-num{font-size:30px;font-weight:700;color:var(--accent-500);line-height:1;}
.stat-badge .stat-label{font-size:12px;color:var(--ink-400);line-height:1.4;}

/* ---------- 分类页主体：左锚点 + 右宽卡 ---------- */
.guide-layout{display:grid;grid-template-columns:238px 1fr;gap:32px;align-items:start;}
.anchor-nav{
  position:sticky;top:104px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px 18px;box-shadow:var(--sh-card);
}
.anchor-title{font-size:13px;font-weight:600;color:var(--ink-400);letter-spacing:1px;margin-bottom:14px;padding-left:10px;}
.anchor-link{
  display:flex;align-items:center;gap:10px;min-height:44px;padding:0 12px;border-radius:var(--r-sm);
  font-size:14px;font-weight:600;color:var(--ink-600);transition:background var(--t),color var(--t);
}
.anchor-link i{font-size:12px;color:var(--brand-500);opacity:.6;}
.anchor-link:hover{background:var(--brand-050);color:var(--brand-600);}
.anchor-link.active{background:var(--brand-050);color:var(--brand-600);}
.anchor-link.active i{opacity:1;}
.anchor-tip{
  margin-top:18px;padding:16px;border-radius:var(--r-sm);background:var(--accent-050);
  font-size:13px;line-height:1.7;color:var(--ink-600);
}
.anchor-tip strong{color:var(--accent-500);display:block;margin-bottom:4px;font-size:13px;}

.wide-list{display:flex;flex-direction:column;gap:24px;}
.wide-card{
  display:grid;grid-template-columns:308px 1fr;gap:26px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-card);transition:box-shadow var(--t),transform var(--t);
  scroll-margin-top:110px;
}
.wide-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);}
.wide-card.reverse .wide-media{order:2;}
.wide-media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line);}
.wide-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.7,.3,1);}
.wide-card:hover .wide-media img{transform:scale(1.04);}
.wide-body h3{font-size:21px;line-height:1.45;font-weight:600;color:var(--ink-900);margin:12px 0 10px;}
.wide-body p{font-size:15px;color:var(--ink-600);}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:var(--r-pill);
  background:var(--brand-050);color:var(--brand-600);font-size:13px;font-weight:600;
}
.tag.accent{background:var(--accent-050);color:var(--accent-500);}
.check-list{margin-top:14px;display:grid;gap:8px;}
.check-list li{position:relative;padding-left:24px;font-size:14px;color:var(--ink-600);line-height:1.75;}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;
  color:var(--brand-600);position:absolute;left:0;top:6px;
}
.arrow-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:15px;font-weight:600;color:var(--brand-600);}
.arrow-link i{transition:transform var(--t);font-size:12px;}
.arrow-link:hover i{transform:translateX(4px);}

/* ---------- 保障条 ---------- */
.assure-bar{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0;}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.assure-item{display:flex;align-items:center;gap:14px;}
.assure-icon{
  width:48px;height:48px;border-radius:50%;border:1.5px solid var(--brand-100);background:var(--brand-050);
  color:var(--brand-600);display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0;
}
.assure-main{font-size:15px;font-weight:600;color:var(--ink-900);line-height:1.5;}
.assure-sub{font-size:12px;color:var(--ink-400);line-height:1.6;}

/* ---------- 提示板块 ---------- */
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.notice-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 22px;
  box-shadow:var(--sh-card);transition:box-shadow var(--t),transform var(--t);
}
.notice-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);}
.notice-card.is-featured{border:2px solid var(--brand-600);position:relative;}
.notice-card.is-featured::before{
  content:"重点";position:absolute;top:-12px;right:18px;height:24px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--accent-500);color:#fff;font-size:12px;font-weight:600;display:flex;align-items:center;
}
.notice-icon{
  width:46px;height:46px;border-radius:var(--r-sm);background:var(--brand-050);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:16px;
}
.notice-card h3{font-size:18px;font-weight:600;color:var(--ink-900);line-height:1.5;margin-bottom:8px;}
.notice-card p{font-size:14px;color:var(--ink-600);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:background var(--t);
}
.faq-q:hover{background:var(--brand-050);}
.faq-icon{
  width:28px;height:28px;border-radius:50%;background:var(--brand-050);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;
  transition:transform 200ms ease,background 200ms ease,color 200ms ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand-600);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 200ms ease;}
.faq-item.open .faq-a{max-height:360px;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-600);}

/* ---------- 底部 CTA ---------- */
.cta-band{background:var(--grad-brand);position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:32px;padding:56px 0;flex-wrap:wrap;
}
.cta-text h2{font-size:28px;line-height:1.35;font-weight:700;color:#fff;}
.cta-text p{font-size:15px;color:rgba(255,255,255,.9);margin-top:10px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-brand-name{font-size:17px;font-weight:700;color:#fff;letter-spacing:.3px;}
.footer-brand-sub{font-size:12px;color:rgba(255,255,255,.5);}
.footer-desc{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.footer-social{display:flex;gap:12px;margin-top:20px;}
.footer-social a{
  width:36px;height:36px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.72);
  font-size:15px;transition:background var(--t),color var(--t),transform var(--t);
}
.footer-social a:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:6px;}
.footer-links a{
  display:flex;align-items:center;min-height:44px;color:rgba(255,255,255,.66);font-size:14px;
  transition:color var(--t),padding-left var(--t);
}
.footer-links a:hover{color:#fff;padding-left:5px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.66);margin-bottom:12px;}
.footer-contact i{color:var(--brand-500);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .guide-layout{grid-template-columns:210px 1fr;gap:24px;}
  .wide-card{grid-template-columns:260px 1fr;}
}
@media (max-width:991px){
  :root{--sec-gap:72px;}
  .nav-links{gap:0;}
  .nav-link{padding:0 10px;font-size:14px;}
  .header-actions .btn-ghost{display:none;}
  .guide-layout{grid-template-columns:1fr;}
  .anchor-nav{position:static;}
  .anchor-links{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;}
  .wide-card{grid-template-columns:1fr;}
  .wide-card.reverse .wide-media{order:0;}
  .wide-media{aspect-ratio:16/9;}
  .notice-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec-gap:56px;}
  .container{padding:0 16px;}
  body{font-size:15px;}
  .page-title{font-size:30px;}
  .page-sub{font-size:15px;}
  .section-title{font-size:24px;}
  .page-hero-inner{padding:44px 0 52px;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .nav-links{
    position:fixed;top:88px;left:16px;right:16px;z-index:90;display:none;flex-direction:column;
    align-items:stretch;gap:4px;padding:14px;background:#fff;border:1px solid var(--line);
    border-radius:var(--r-md);box-shadow:var(--sh-hover);
  }
  .nav-links.open{display:flex;}
  .nav-link{height:46px;justify-content:flex-start;padding:0 14px;font-size:15px;}
  .nav-link::after{display:none;}
  .nav-cta-mobile{display:flex;flex-direction:column;gap:10px;margin-top:8px;}
  .nav-cta-mobile .btn{width:100%;}
  .assure-bar{padding:22px 0;}
  .notice-grid{grid-template-columns:1fr;}
  .wide-card{padding:18px;border-radius:var(--r-md);}
  .wide-body h3{font-size:19px;}
  .cta-inner{padding:44px 0;flex-direction:column;align-items:flex-start;}
  .cta-text h2{font-size:23px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-grid>div:first-child{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:479px){
  .page-title{font-size:26px;}
  .logo-sub{display:none;}
  .hero-badges{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat-badge{padding:12px 14px;gap:10px;}
  .stat-badge .stat-num{font-size:24px;}
  .anchor-links{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --brand-600:#00A98F;
  --brand-500:#12BFA1;
  --brand-050:#E6F7F3;
  --brand-100:#C9EFE7;
  --accent-500:#FF6B2C;
  --accent-050:#FFF1E9;
  --ink-900:#0D1B1A;
  --ink-600:#46595A;
  --ink-400:#7C8F8E;
  --line:#E2EDEA;
  --bg:#F4F8F7;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#00A98F 0%,#19CDA6 55%,#8FE9D0 100%);
  --grad-cta:linear-gradient(120deg,#FF6B2C 0%,#FF9147 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(13,27,26,.06);
  --sh-2:0 18px 40px rgba(13,27,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sp:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-500);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;}
h1{font-size:42px;line-height:1.25;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:21px;line-height:1.45;font-weight:600;}
p{margin:0 0 1.2em;}
ul,ol{margin:0 0 1.2em;padding-left:1.3em;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid rgba(0,169,143,.35);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head p{margin:10px 0 0;font-size:15px;color:var(--ink-400);}
.link-more{font-weight:600;font-size:15px;white-space:nowrap;}

/* 顶部进度条 */
.progress-bar{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad-brand);z-index:1200;transition:width .12s linear;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1100;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border-bottom:1px solid transparent;transition:box-shadow .25s var(--ease),border-color .25s var(--ease);}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(13,27,26,.08);border-bottom-color:var(--line);}
.site-header::before{content:"";display:block;height:3px;background:var(--grad-brand);}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink-900);}
.brand:hover{color:var(--ink-900);}
.logo-mark{width:42px;height:42px;flex:0 0 42px;border-radius:14px 14px 14px 4px;background:var(--grad-brand);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;box-shadow:0 8px 18px rgba(0,169,143,.28);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.5px;}
.brand-sub{font-size:11.5px;color:var(--ink-400);letter-spacing:.6px;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--ink-600);padding:8px 2px;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
.nav-link:hover{color:var(--brand-600);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-600);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink-900);font-size:18px;align-items:center;justify-content:center;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);white-space:nowrap;}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 22px rgba(0,169,143,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(0,169,143,.34);}
.btn-cta{background:var(--grad-cta);color:#fff;box-shadow:0 10px 22px rgba(255,107,44,.28);}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,107,44,.34);}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--brand-100);}
.btn-ghost:hover{color:var(--brand-600);border-color:var(--brand-500);background:var(--brand-050);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--ink-900);border-color:transparent;}
.btn-light:hover{color:var(--ink-900);transform:translateY(-2px);box-shadow:0 16px 30px rgba(13,27,26,.18);}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-line:hover{color:#fff;background:rgba(255,255,255,.14);}
.btn-block{width:100%;}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 24px 24px;}
.mobile-drawer.open{display:block;}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;min-height:48px;font-size:15px;font-weight:600;color:var(--ink-600);border-bottom:1px dashed var(--line);}
.drawer-links a.active{color:var(--brand-600);}
.drawer-actions{display:flex;flex-direction:column;gap:12px;}

/* 文章头部 */
.article-hero{position:relative;padding:56px 0 48px;background:var(--brand-050);overflow:hidden;}
.article-hero::after{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.16;}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{font-size:13px;color:var(--ink-400);margin-bottom:20px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb a{color:var(--ink-400);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:var(--brand-100);}
.breadcrumb .current{color:var(--ink-600);}
.tag{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:var(--r-pill);background:#fff;color:var(--brand-600);font-size:13px;font-weight:600;border:1px solid var(--brand-100);}
.article-title{font-size:40px;line-height:1.3;margin:18px 0 20px;max-width:900px;}
.article-meta{display:flex;flex-wrap:wrap;gap:22px;font-size:14px;color:var(--ink-400);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand-500);}

/* 正文布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:40px;align-items:start;padding:48px 0 var(--sp);}
.article-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:44px 46px;}
.article-body{max-width:760px;font-size:16px;line-height:1.85;}
.article-body h2{position:relative;font-size:26px;margin:2em 0 .8em;padding-left:16px;line-height:1.4;}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;background:var(--grad-brand);}
.article-body h3{font-size:20px;margin:1.6em 0 .6em;}
.article-body p{margin-bottom:1.6em;}
.article-body ul,.article-body ol{line-height:1.9;margin-bottom:1.6em;}
.article-body li{margin-bottom:.5em;}
.article-body blockquote{margin:1.8em 0;padding:18px 22px;background:var(--brand-050);border-left:4px solid var(--brand-600);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-600);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:1.6em auto;}
.article-body a{border-bottom:1px solid var(--brand-100);}
.article-body a:hover{border-bottom-color:var(--brand-500);}
.article-body table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;display:block;overflow-x:auto;}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.article-body thead th{background:var(--brand-050);color:var(--ink-900);}
.article-body tbody tr:nth-child(even){background:#FAFDFC;}
.article-body code{background:var(--brand-050);padding:2px 6px;border-radius:6px;font-size:14px;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.toc{position:sticky;top:104px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:22px 20px;}
.toc h3{font-size:15px;letter-spacing:.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.toc h3 i{color:var(--brand-500);}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc;}
.toc li{margin-bottom:10px;}
.toc a{font-size:14px;color:var(--ink-600);display:block;line-height:1.6;border-left:2px solid var(--line);padding-left:12px;}
.toc a:hover,.toc a.active{color:var(--brand-600);border-left-color:var(--brand-600);}
.toc-empty{font-size:13px;color:var(--ink-400);}
.empty-state{border:1px dashed var(--brand-100);background:var(--brand-050);border-radius:var(--r-md);padding:48px 28px;text-align:center;}
.empty-state i{font-size:34px;color:var(--brand-500);}
.empty-state h3{margin:14px 0 8px;}
.empty-state p{margin:0 0 20px;font-size:15px;color:var(--ink-600);}
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;}
.article-foot .hint{font-size:13.5px;color:var(--ink-400);}

/* 相关推荐 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:transform .22s var(--ease),box-shadow .22s var(--ease);display:flex;flex-direction:column;}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-050);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;line-height:1.5;}
.card-body p{margin:0;font-size:14px;color:var(--ink-400);line-height:1.75;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-400);}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);background:var(--brand-050);color:var(--brand-600);font-size:12.5px;font-weight:600;}

/* 底部 CTA */
.cta-band{background:var(--grad-brand);border-radius:var(--r-lg);padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;box-shadow:0 20px 44px rgba(0,169,143,.24);}
.cta-band h2{color:#fff;font-size:28px;}
.cta-band p{margin:10px 0 0;color:rgba(255,255,255,.9);font-size:15px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--ink-900);color:#C7D6D4;padding:64px 0 26px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .logo-mark{background:var(--grad-brand);}
.footer-brand-name{color:#fff;font-size:16px;font-weight:700;line-height:1.4;}
.footer-brand-sub{color:#8CA3A1;font-size:12.5px;}
.footer-desc{color:#9DB2B0;font-size:14px;line-height:1.85;margin:0 0 20px;}
.footer-social{display:flex;gap:12px;}
.footer-social a{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.08);color:#C7D6D4;display:flex;align-items:center;justify-content:center;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);}
.footer-social a:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);}
.footer-title{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{color:#9DB2B0;min-height:44px;display:flex;align-items:center;transition:color .2s var(--ease),padding-left .2s var(--ease);}
.footer-links a:hover{color:var(--brand-100);padding-left:4px;}
.footer-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:#9DB2B0;line-height:1.7;}
.footer-contact i{color:var(--brand-500);margin-top:6px;}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:#7E9492;font-size:13px;}

/* 移动端常驻转化条 */
.mobile-cta-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:1150;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(13,27,26,.08);padding:10px 16px;gap:10px;}
.mobile-cta-bar .btn{flex:1;height:44px;font-size:14.5px;}

@media (max-width:1199px){
  .article-layout{grid-template-columns:1fr;}
  .toc{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .article-title{font-size:31px;}
  .nav-links,.header-actions{display:none;}
  .nav-toggle{display:flex;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px;}
  :root{--sp:64px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  :root{--sp:56px;}
  .header-inner{min-height:64px;gap:12px;}
  .brand-sub{display:none;}
  .article-hero{padding:36px 0 32px;}
  .article-title{font-size:25px;line-height:1.38;}
  .article-card{padding:26px 20px;border-radius:var(--r-md);}
  .article-layout{padding:32px 0 var(--sp);}
  .grid-3{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .mobile-cta-bar{display:flex;}
  .site-footer{padding-bottom:86px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:480px){
  .article-body{font-size:15px;}
  .article-meta{gap:14px;font-size:13px;}
  .badge{font-size:12px;}
}

/* roulang page: category2 */
:root{
  --brand-600:#00A98F;
  --brand-500:#12BFA1;
  --brand-050:#E6F7F3;
  --brand-100:#C9EFE7;
  --accent-500:#FF6B2C;
  --accent-050:#FFF1E9;
  --ink-900:#0D1B1A;
  --ink-600:#46595A;
  --ink-400:#7C8F8E;
  --line:#E2EDEA;
  --bg:#F4F8F7;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#00A98F 0%,#19CDA6 55%,#8FE9D0 100%);
  --grad-cta:linear-gradient(120deg,#FF6B2C 0%,#FF9147 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 8px 24px rgba(13,27,26,.06);
  --sh-h:0 18px 40px rgba(13,27,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700}
p{margin:0}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:30px;line-height:1.35;margin-bottom:12px}
.section-head p{font-size:15px;color:var(--ink-400)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:var(--brand-050);color:var(--brand-600);
  font-size:13px;font-weight:600;margin-bottom:16px;
}
.num{font-variant-numeric:tabular-nums}

/* Header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(244,248,247,.96);transition:box-shadow .22s var(--ease),background .22s var(--ease)}
.site-header::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);opacity:0;transition:opacity .22s var(--ease)}
.site-header.scrolled{background:rgba(255,255,255,.98);box-shadow:0 6px 22px rgba(13,27,26,.08)}
.site-header.scrolled::before{opacity:1}
.header-inner{display:flex;align-items:center;height:76px;gap:10px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;border-radius:16px 16px 16px 6px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:0 6px 14px rgba(0,169,143,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:17px;color:var(--ink-900);font-weight:700;letter-spacing:.4px}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-400);letter-spacing:.2px}
.nav-links{display:flex;align-items:center;margin-left:auto}
.nav-link{position:relative;padding:27px 12px;font-size:15px;font-weight:600;color:var(--ink-600);transition:color .2s var(--ease)}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:19px;height:3px;border-radius:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-600)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:12px}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--ink-900);place-items:center;font-size:17px;
}
.nav-toggle:focus-visible,.btn:focus-visible,.faq-q:focus-visible,a:focus-visible{
  outline:3px solid rgba(0,169,143,.35);outline-offset:2px;
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;
  font-weight:600;white-space:nowrap;transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 18px rgba(0,169,143,.25)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(0,169,143,.34)}
.btn-accent{background:var(--grad-cta);color:#fff;box-shadow:0 8px 18px rgba(255,107,44,.28)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(255,107,44,.36)}
.btn-ghost{background:#fff;border:1px solid var(--brand-600);color:var(--brand-600)}
.btn-ghost:hover{background:var(--brand-050);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--brand-600);border:1px solid rgba(255,255,255,.7)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(13,27,26,.18)}
.btn:active{transform:translateY(0)}

/* Mobile drawer */
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:76px;bottom:0;background:#fff;z-index:55;
  padding:16px 24px 40px;overflow-y:auto;border-top:1px solid var(--line);
}
.mobile-drawer.open{display:block}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:16px 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;color:var(--ink-900)}
.drawer-link.active{color:var(--brand-600)}
.drawer-link i{color:var(--ink-400);font-size:13px}
.drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:22px}
.drawer-cta .btn{width:100%}

/* Page hero */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#E6F7F3 0%,#F4F8F7 100%);padding:44px 0 64px}
.page-hero-bg{position:absolute;inset:0;background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;opacity:.14}
.page-hero-inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);margin-bottom:16px}
.crumb a:hover{color:var(--brand-600)}
.crumb span.sep{color:var(--ink-400);opacity:.6}
.page-hero h1{font-size:42px;line-height:1.25;margin-bottom:14px}
.page-hero-sub{font-size:16px;color:var(--ink-600);max-width:520px;margin-bottom:26px}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px}
.badge-stat{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);padding:12px 20px;box-shadow:var(--sh);
}
.badge-stat i{color:var(--brand-600);font-size:18px}
.badge-stat b{display:block;font-size:26px;line-height:1.1;color:var(--accent-500);font-weight:700;font-variant-numeric:tabular-nums}
.badge-stat small{display:block;font-size:12px;color:var(--ink-400);line-height:1.5}
.page-hero-media{position:relative}
.page-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--brand-100);box-shadow:var(--sh-h);
}
.floating-card{
  position:absolute;right:-10px;top:-10px;background:#fff;border-radius:var(--r-md);
  box-shadow:0 12px 28px rgba(13,27,26,.12);padding:12px 18px;display:flex;align-items:center;gap:10px;
}
.dot-live{width:9px;height:9px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 4px var(--brand-050)}
.floating-card span{font-size:13px;font-weight:600;color:var(--ink-900)}

/* Icon grid */
.icon-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.icon-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 22px;
  box-shadow:var(--sh);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.icon-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:var(--brand-100)}
.icon-badge{width:48px;height:48px;border-radius:14px;background:var(--brand-050);color:var(--brand-600);display:grid;place-items:center;font-size:20px;margin-bottom:16px}
.icon-card h3{font-size:18px;line-height:1.45;margin-bottom:8px}
.icon-card p{font-size:14px;line-height:1.75;color:var(--ink-600);margin-bottom:14px}
.chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--brand-050);color:var(--brand-600);font-size:12px;font-weight:600}
.chip-accent{background:var(--accent-050);color:var(--accent-500)}

/* Wide feature card */
.feature-wide{
  display:grid;grid-template-columns:1fr 1fr;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);
}
.feature-wide-media{position:relative;min-height:360px}
.feature-wide-media img{width:100%;height:100%;min-height:360px;object-fit:cover}
.feature-wide-body{padding:46px 46px 44px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.feature-wide-body h2{font-size:28px;line-height:1.35;margin-bottom:16px}
.feature-wide-body p{font-size:15px;line-height:1.85;margin-bottom:14px}
.feature-list{margin:18px 0 26px;display:grid;gap:10px}
.feature-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-600)}
.feature-list i{color:var(--brand-600);margin-top:6px;font-size:13px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-600);font-weight:600;font-size:15px;transition:gap .22s var(--ease)}
.link-arrow:hover{gap:14px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.step-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:24px 20px;
  box-shadow:var(--sh);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.step-num{
  width:40px;height:40px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:16px;margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:16px;margin-bottom:8px}
.step-item p{font-size:13.5px;line-height:1.75;color:var(--ink-400)}

/* Issue cards */
.issue-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.issue-card{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh);transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.issue-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.issue-card .icon-badge{margin-bottom:0;flex-shrink:0;width:44px;height:44px;font-size:18px;background:var(--accent-050);color:var(--accent-500)}
.issue-card h3{font-size:17px;margin-bottom:6px}
.issue-card p{font-size:14px;line-height:1.8;color:var(--ink-600)}

/* Trust strip */
.trust-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:30px 0}
.trust-item{display:flex;align-items:center;gap:14px}
.trust-item .ring{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--brand-100);background:var(--brand-050);
  display:grid;place-items:center;color:var(--brand-600);font-size:17px;flex-shrink:0;
}
.trust-item b{display:block;font-size:15px;color:var(--ink-900);font-weight:600}
.trust-item small{display:block;font-size:12px;color:var(--ink-400);line-height:1.5}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.faq-item.open{border-color:var(--brand-100);box-shadow:var(--sh)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink-900);text-align:left}
.faq-icon{
  width:26px;height:26px;border-radius:50%;background:var(--brand-050);color:var(--brand-600);
  display:grid;place-items:center;font-size:13px;flex-shrink:0;transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand-600);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-600)}

/* CTA band */
.cta-band{background:var(--grad-brand);padding:66px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px}
.cta-inner h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.9);font-size:16px}
.cta-actions{display:flex;gap:14px;flex-shrink:0}
.cta-actions .btn{white-space:nowrap}

/* Footer */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.75)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .logo-mark{box-shadow:none}
.footer-brand-name{font-size:16px;font-weight:700;color:#fff}
.footer-brand-sub{font-size:12px;color:rgba(255,255,255,.55)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.08);color:#fff;
  display:grid;place-items:center;font-size:15px;transition:background .22s var(--ease),transform .22s var(--ease);
}
.footer-social a:hover{background:var(--brand-600);transform:translateY(-2px)}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px}
.footer-links a{display:block;padding:9px 0;font-size:14px;color:rgba(255,255,255,.68);transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(3px)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.68);padding:8px 0;line-height:1.7}
.footer-contact i{color:var(--brand-500);margin-top:7px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}

/* Mobile bottom bar */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;
  border-top:1px solid var(--line);padding:10px 16px;align-items:center;justify-content:space-between;gap:12px;
  box-shadow:0 -6px 20px rgba(13,27,26,.08);
}
.mobile-bar-text{font-size:13px;color:var(--ink-600);font-weight:600}

@media (max-width:1199px){
  .page-hero h1{font-size:36px}
  .icon-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .feature-wide-body{padding:38px}
}
@media (max-width:991px){
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:grid}
  .page-hero-inner{grid-template-columns:1fr;gap:34px}
  .page-hero h1{font-size:32px}
  .page-hero-media{order:-1}
  .feature-wide{grid-template-columns:1fr}
  .feature-wide-media{min-height:260px}
  .feature-wide-media img{min-height:260px;aspect-ratio:16/10}
  .issue-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .container{padding:0 16px}
  .page-hero{padding:32px 0 48px}
  .page-hero h1{font-size:28px}
  .section-head h2{font-size:24px}
  .cta-inner h2{font-size:24px}
  .steps{grid-template-columns:1fr 1fr}
  .trust-grid{grid-template-columns:1fr 1fr;padding:24px 0}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .mobile-bar{display:flex}
  .site-footer{padding-bottom:64px}
}
@media (max-width:519px){
  body{font-size:15px}
  .icon-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .hero-badges{gap:10px}
  .badge-stat{flex:1 1 100%;justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .feature-wide-body{padding:28px 22px 30px}
}

/* roulang page: category4 */
:root{
  --brand-600:#00A98F;
  --brand-500:#12BFA1;
  --brand-050:#E6F7F3;
  --brand-100:#C9EFE7;
  --accent-500:#FF6B2C;
  --accent-050:#FFF1E9;
  --ink-900:#0D1B1A;
  --ink-600:#46595A;
  --ink-400:#7C8F8E;
  --line:#E2EDEA;
  --bg:#F4F8F7;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#00A98F 0%,#19CDA6 55%,#8FE9D0 100%);
  --grad-cta:linear-gradient(120deg,#FF6B2C 0%,#FF9147 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(13,27,26,.06);
  --sh-hover:0 18px 40px rgba(13,27,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --sec-gap:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;letter-spacing:.2px}
h1{font-size:42px;line-height:1.25;font-weight:700}
h2{font-size:30px;line-height:1.35}
h3{font-size:21px;line-height:1.45;font-weight:600}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:3px solid rgba(0,169,143,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--sec-gap) 0}
.section--tight{padding:64px 0}
.section--white{background:var(--card)}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  transition:box-shadow .22s var(--ease),background .22s var(--ease);
}
.site-header::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(13,27,26,.08);background:rgba(255,255,255,.9)}
.site-header.is-scrolled::before{opacity:1}
.nav-wrap{display:flex;align-items:center;gap:28px;height:76px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:44px;height:44px;border-radius:14px 14px 14px 4px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;box-shadow:0 8px 18px rgba(0,169,143,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.logo-text{font-size:17px;font-weight:700;color:var(--ink-900)}
.logo-sub{font-size:12px;color:var(--ink-400);letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:8px 12px;font-size:15px;font-weight:600;color:var(--ink-600);
  border-radius:10px;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand-600)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-600)}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--ink-900);
  align-items:center;justify-content:center;font-size:18px;
}
.nav-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:16px 24px 24px;
}
.nav-drawer.is-open{display:block}
.nav-drawer .nav-link{display:block;padding:14px 4px;font-size:16px;border-bottom:1px solid var(--line)}
.nav-drawer .nav-link::after{display:none}
.drawer-actions{display:flex;flex-direction:column;gap:12px;margin-top:18px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 18px rgba(0,169,143,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(0,169,143,.32)}
.btn-accent{background:var(--grad-cta);color:#fff;box-shadow:0 8px 18px rgba(255,107,44,.28)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,107,44,.34)}
.btn-outline{background:#fff;border-color:var(--brand-100);color:var(--brand-600)}
.btn-outline:hover{border-color:var(--brand-500);transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,169,143,.14)}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{filter:saturate(.4);opacity:.85;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- badges / tags ---------- */
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;color:var(--brand-600);
  font-size:13px;font-weight:600;border:1px solid var(--brand-100);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand-050);color:var(--brand-600);
  font-size:13px;font-weight:600;
}
.tag--accent{background:var(--accent-050);color:var(--accent-500)}
.data-badge{
  display:flex;align-items:baseline;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--sh-card);min-width:150px;
}
.badge-num{
  font-size:30px;font-weight:700;color:var(--accent-500);
  font-variant-numeric:tabular-nums;line-height:1;
}
.badge-label{font-size:13px;color:var(--ink-400);line-height:1.5}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#E6F7F3 0%,#F4F8F7 70%);
  padding:52px 0 72px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center right;
  opacity:.16;
}
.page-hero > .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-400);margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-400);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .current{color:var(--ink-600)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.hero-copy h1{margin:18px 0 14px;max-width:640px}
.hero-sub{font-size:17px;color:var(--ink-600);margin-bottom:26px}
.hero-badges{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;
  box-shadow:0 18px 40px rgba(13,27,26,.12);
}
.float-card{
  position:absolute;top:16px;right:-14px;
  display:flex;align-items:center;gap:10px;
  background:#fff;border-radius:var(--r-md);
  padding:12px 16px;box-shadow:0 12px 26px rgba(13,27,26,.12);
}
.float-card .dot{
  width:10px;height:10px;border-radius:50%;background:var(--brand-500);
  box-shadow:0 0 0 5px rgba(0,169,143,.16);
}
.float-card strong{display:block;font-size:14px;color:var(--ink-900)}
.float-card span{font-size:12px;color:var(--ink-400)}

/* ---------- section head ---------- */
.sec-head{max-width:720px;margin-bottom:32px}
.sec-head h2{margin-bottom:12px}
.sec-head p{margin:0;color:var(--ink-400);font-size:16px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- zigzag ---------- */
.zigzag-row{
  display:grid;grid-template-columns:1.04fr 1fr;gap:48px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--sh-card);
  margin-bottom:32px;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.zigzag-row:hover{box-shadow:var(--sh-hover);transform:translateY(-3px)}
.zigzag-row.reverse .zigzag-media{order:2}
.zigzag-row.reverse .zigzag-body{order:1}
.zigzag-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md)}
.zigzag-body h3{margin:14px 0 10px}
.zigzag-body p{color:var(--ink-600)}
.check-list{margin:18px 0 22px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:9px 0;font-size:15px;color:var(--ink-600);
  border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--brand-500);margin-top:6px;font-size:13px}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand-600);
}
.link-arrow i{transition:transform .22s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- steps ---------- */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px;box-shadow:var(--sh-card);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.step-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px)}
.step-num{
  width:44px;height:44px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:16px;
  box-shadow:0 8px 18px rgba(0,169,143,.24);
}
.step-card h3{font-size:18px;margin-bottom:8px}
.step-card p{margin:0;font-size:14px;color:var(--ink-400);line-height:1.8}

/* ---------- notice cards ---------- */
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.notice-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-card);display:flex;flex-direction:column;gap:12px;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.notice-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px)}
.notice-head{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:var(--ink-900)}
.notice-head i{color:var(--accent-500)}
.notice-card p{margin:0;font-size:14px;color:var(--ink-400);line-height:1.85}
.notice-card .tag{align-self:flex-start}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.faq-item.open{box-shadow:var(--sh-card);border-color:var(--brand-100)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-q .faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-600);font-size:15px;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--grad-brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s var(--ease)}
.faq-a p{padding:0 22px 20px;margin:0;font-size:15px;line-height:1.8;color:var(--ink-600)}

/* ---------- form ---------- */
.feedback-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--sh-card);max-width:880px;margin:0 auto;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink-900)}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;padding:0 14px;height:46px;color:var(--ink-900);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(0,169,143,.15);
}
.field input:disabled,.field textarea:disabled{background:#F1F4F3;opacity:.6;cursor:not-allowed}
.form-note{font-size:13px;color:var(--ink-400)}
.form-error{font-size:12px;color:var(--accent-500);display:none}
.form-error.is-show{display:block}
.form-success{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);
  background:var(--brand-050);color:var(--brand-600);font-size:14px;font-weight:600;
}
.form-success.is-show{display:block}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--grad-brand);color:#fff;padding:64px 0;
}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
.cta-inner h2{color:#fff;margin-bottom:10px}
.cta-inner p{margin:0;color:rgba(255,255,255,.9);font-size:16px;max-width:560px}
.cta-actions{display:flex;gap:14px;justify-content:flex-end;flex-wrap:wrap}
.cta-band .btn-outline{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff}
.cta-band .btn-outline:hover{background:#fff;color:var(--brand-600)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .logo-mark{border-radius:14px 14px 14px 4px}
.footer-brand-name{font-size:16px;font-weight:700;color:#fff}
.footer-brand-sub{font-size:12px;color:rgba(255,255,255,.5)}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);margin:0 0 20px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.75);
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.footer-social a:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px)}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:6px}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.7);line-height:44px;
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-links a:hover{color:var(--brand-500);padding-left:4px}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:44px;color:rgba(255,255,255,.7)}
.footer-contact i{color:var(--brand-500);margin-top:15px}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- mobile bar ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:rgba(255,255,255,.96);border-top:1px solid var(--line);
  padding:10px 16px;gap:12px;
}
.mobile-bar .btn{flex:1}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .notice-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:991px){
  h1{font-size:34px}
  h2{font-size:26px}
  .nav-links{display:none}
  .header-actions{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .zigzag-row{grid-template-columns:1fr;gap:24px;padding:26px}
  .zigzag-row.reverse .zigzag-media{order:0}
  .zigzag-row.reverse .zigzag-body{order:0}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  :root{--sec-gap:56px}
  body{padding-bottom:72px}
  .container{padding:0 16px}
  h1{font-size:29px}
  h2{font-size:23px}
  .page-hero{padding:36px 0 48px}
  .hero-badges{gap:12px}
  .data-badge{min-width:130px;padding:12px 14px}
  .badge-num{font-size:26px}
  .steps-grid,.notice-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .feedback-card{padding:24px}
  .mobile-bar{display:flex}
  .float-card{right:8px;top:8px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:479px){
  h1{font-size:25px}
  body{font-size:15px}
  .hero-badges{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .data-badge{flex-direction:column;align-items:flex-start;gap:4px}
  .zigzag-row{padding:20px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --brand-600:#00A98F;
  --brand-500:#12BFA1;
  --brand-050:#E6F7F3;
  --brand-100:#C9EFE7;
  --accent-500:#FF6B2C;
  --accent-050:#FFF1E9;
  --ink-900:#0D1B1A;
  --ink-600:#46595A;
  --ink-400:#7C8F8E;
  --line:#E2EDEA;
  --bg:#F4F8F7;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#00A98F 0%,#19CDA6 55%,#8FE9D0 100%);
  --grad-cta:linear-gradient(120deg,#FF6B2C 0%,#FF9147 100%);
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow:0 8px 24px rgba(13,27,26,.06);
  --shadow-hover:0 18px 40px rgba(13,27,26,.10);
  --tr:220ms cubic-bezier(.2,.7,.3,1);
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:var(--header-h);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-600);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35}
h1{font-size:42px;line-height:1.25}
h2{font-size:30px}
h3{font-size:21px;line-height:1.45;font-weight:600}
p{margin:0 0 1em}
a{color:var(--brand-600);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--brand-500)}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(0,169,143,.35);outline-offset:2px;border-radius:8px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.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:32px}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand-600);background:var(--brand-050);border-radius:999px;padding:5px 14px;margin-bottom:14px}
.section-head p{font-size:16px;color:var(--ink-600);margin:14px 0 0}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;min-height:48px;
  transition:transform var(--tr),box-shadow var(--tr),background-color var(--tr),color var(--tr),border-color var(--tr);
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{background:var(--grad-cta);color:#fff;box-shadow:0 10px 24px rgba(255,107,44,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,107,44,.34)}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(0,169,143,.26)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,169,143,.32)}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--brand-100);box-shadow:0 4px 12px rgba(13,27,26,.05)}
.btn-ghost:hover{color:var(--brand-600);border-color:var(--brand-500);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink-900);border-color:rgba(255,255,255,.8)}
.btn-light:hover{color:var(--brand-600);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:10px 20px;font-size:14px}
.btn:active{transform:translateY(0) scale(.985)}
.btn[disabled],.btn.is-disabled{filter:saturate(.4);opacity:.7;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 头部导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid transparent;
  transition:background var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.site-header::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-brand);opacity:0;transition:opacity var(--tr);
}
.site-header.scrolled{background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(8px);box-shadow:0 6px 24px rgba(13,27,26,.07);border-bottom-color:var(--line)}
.site-header.scrolled::before{opacity:1}
.header-inner{display:flex;align-items:center;gap:24px;min-height:var(--header-h)}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-size:18px;
  border-radius:16px 16px 6px 6px;
  box-shadow:0 8px 18px rgba(0,169,143,.26);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:19px;color:var(--ink-900);letter-spacing:.02em}
.logo-text em{font-style:normal;font-size:12px;color:var(--ink-400);letter-spacing:.04em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;font-weight:600;color:var(--ink-600);
  border-radius:10px;transition:color var(--tr),background var(--tr);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;border-radius:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform var(--tr);
}
.nav-link:hover{color:var(--brand-600);background:var(--brand-050)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-600)}
.nav-link.active::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:8px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:14px;
  color:var(--ink-900);font-size:17px;align-items:center;justify-content:center;
  transition:border-color var(--tr),color var(--tr),box-shadow var(--tr);
}
.nav-toggle:hover{border-color:var(--brand-500);color:var(--brand-600)}
.mobile-drawer{
  display:none;flex-direction:column;gap:6px;
  padding:14px 24px 22px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 18px 40px rgba(13,27,26,.10);
}
.mobile-drawer.open{display:flex}
.mobile-drawer .nav-link{padding:14px 12px;font-size:16px;border-radius:12px;background:var(--brand-050);margin-bottom:4px}
.mobile-drawer .nav-link::after{display:none}
.mobile-drawer .nav-link.active{background:var(--brand-100);color:var(--brand-600)}
.mobile-drawer .btn{width:100%;margin-top:6px}

/* ===== 页首横幅 ===== */
.page-banner{position:relative;overflow:hidden;background:linear-gradient(120deg,#E6F7F3 0%,#F4F8F7 62%,#FFFFFF 100%);border-bottom:1px solid var(--line)}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;opacity:.14;
}
.page-banner::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(0,169,143,.20),rgba(0,169,143,0) 70%);
}
.banner-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:70px 0 74px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-400);margin-bottom:18px}
.breadcrumb a{color:var(--ink-400)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb span.sep{color:#B9CBC8}
.breadcrumb .current{color:var(--brand-600);font-weight:600}
.banner-tag{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--brand-100);color:var(--brand-600);font-size:13px;font-weight:600;border-radius:999px;padding:6px 16px;box-shadow:var(--shadow)}
.banner-inner h1{margin:18px 0 14px;font-size:42px}
.banner-inner h1 .hl{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.banner-sub{font-size:17px;color:var(--ink-600);max-width:520px}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 28px}
.banner-badges{display:flex;flex-wrap:wrap;gap:14px}
.stat-badge{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:14px 18px;box-shadow:var(--shadow);min-width:168px;
}
.stat-badge .sb-icon{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--accent-050);color:var(--accent-500);font-size:16px;flex:0 0 auto;
}
.stat-badge b{display:block;font-size:28px;line-height:1.1;color:var(--accent-500);font-weight:700;font-variant-numeric:tabular-nums}
.stat-badge small{display:block;font-size:12px;color:var(--ink-400);line-height:1.5}
.banner-visual{position:relative}
.banner-visual .frame{
  position:relative;border-radius:var(--radius-lg);padding:1px;background:var(--grad-brand);
  box-shadow:0 22px 48px rgba(13,27,26,.12);
}
.banner-visual .frame img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:23px}
.float-card{
  position:absolute;right:-14px;top:22px;background:#fff;border-radius:var(--radius-md);
  padding:14px 18px;box-shadow:0 16px 34px rgba(13,27,26,.14);display:flex;align-items:center;gap:10px;
}
.float-card .dot{width:10px;height:10px;border-radius:50%;background:var(--brand-500);box-shadow:0 0 0 5px rgba(18,191,161,.18)}
.float-card span{font-size:13px;color:var(--ink-900);font-weight:600}

/* ===== 时间轴 ===== */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:27px;top:18px;bottom:24px;width:2px;
  background:linear-gradient(180deg,var(--brand-500) 0%,rgba(0,169,143,.10) 100%);
}
.tl-item{position:relative;display:flex;gap:24px;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:relative;z-index:2;flex:0 0 56px;width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-size:18px;font-weight:700;
  font-variant-numeric:tabular-nums;box-shadow:0 10px 22px rgba(0,169,143,.30);
}
.tl-body{
  flex:1;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:24px 26px;box-shadow:var(--shadow);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-100)}
.tl-body h3{margin-bottom:10px;display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tl-body h3 .step-no{font-size:13px;font-weight:600;color:var(--brand-600);background:var(--brand-050);border-radius:999px;padding:3px 12px}
.tl-body p{margin:0;font-size:15px;color:var(--ink-600)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-size:12px;font-weight:600;color:var(--brand-600);background:var(--brand-050);border:1px solid var(--brand-100);border-radius:999px;padding:4px 12px}
.tag.accent{color:var(--accent-500);background:var(--accent-050);border-color:#FFDDC9}

/* ===== 情形卡片 ===== */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mini-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-100)}
.mini-card .mc-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-600);font-size:18px;border:1px solid var(--brand-100);
}
.mini-card h3{font-size:18px;line-height:1.5}
.mini-card p{margin:0;font-size:14px;line-height:1.8;color:var(--ink-600)}
.mini-card .mc-img{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line)}
.mini-card .mc-img img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ===== 图文区 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split .visual{position:relative;border-radius:var(--radius-lg);padding:1px;background:var(--grad-brand);box-shadow:0 20px 44px rgba(13,27,26,.12)}
.split .visual img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:23px}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;box-shadow:var(--shadow);transition:border-color var(--tr),transform var(--tr)}
.check-list li:hover{border-color:var(--brand-100);transform:translateY(-2px)}
.check-list i{color:var(--brand-600);font-size:16px;margin-top:5px;flex:0 0 auto}
.check-list b{display:block;color:var(--ink-900);font-size:15px;font-weight:600;line-height:1.6}
.check-list span{font-size:14px;color:var(--ink-600);line-height:1.75}

/* ===== 保障条 ===== */
.strip{background:var(--brand-050);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.strip-item{display:flex;align-items:center;gap:14px}
.strip-item .si-icon{
  width:46px;height:46px;flex:0 0 auto;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--brand-100);color:var(--brand-600);font-size:17px;
}
.strip-item b{display:block;font-size:15px;color:var(--ink-900);font-weight:600;line-height:1.5}
.strip-item small{display:block;font-size:12px;color:var(--ink-400);line-height:1.6}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow);overflow:hidden;transition:border-color var(--tr),box-shadow var(--tr)}
.faq-item.open{border-color:var(--brand-100);box-shadow:var(--shadow-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;text-align:left;padding:20px 24px;
  font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-q:hover{color:var(--brand-600)}
.faq-icon{
  width:32px;height:32px;flex:0 0 auto;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-600);font-size:13px;
  transition:transform 200ms cubic-bezier(.2,.7,.3,1),background var(--tr);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--accent-050);color:var(--accent-500)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 200ms cubic-bezier(.2,.7,.3,1)}
.faq-a p{margin:0;padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-600)}

/* ===== 底部转化 CTA ===== */
.cta-band{background:var(--grad-brand);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;left:-100px;bottom:-140px;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.14)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:60px 0}
.cta-inner h2{color:#fff;font-size:30px;max-width:560px}
.cta-inner p{color:rgba(255,255,255,.92);margin:12px 0 0;font-size:16px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex:0 0 auto}
.cta-actions .btn-brand{background:#fff;color:var(--brand-600);box-shadow:0 12px 26px rgba(13,27,26,.16)}
.cta-actions .btn-brand:hover{color:var(--brand-600)}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.75)}
.cta-actions .btn-ghost:hover{color:#fff;background:rgba(255,255,255,.14);border-color:#fff}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-900);color:#C6D4D2;padding:66px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .logo-mark{border-radius:16px 16px 6px 6px}
.footer-brand-name{font-size:18px;font-weight:700;color:#fff;line-height:1.3}
.footer-brand-sub{font-size:12px;color:#8FA5A2}
.footer-desc{font-size:14px;line-height:1.85;color:#9FB3B0;max-width:360px}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);color:#C6D4D2;font-size:15px;
  transition:background var(--tr),color var(--tr),transform var(--tr);
}
.footer-social a:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px)}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-links{display:flex;flex-direction:column}
.footer-links a{color:#9FB3B0;font-size:14px;padding:11px 0;transition:color var(--tr),padding-left var(--tr)}
.footer-links a:hover{color:#fff;padding-left:5px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#9FB3B0;padding:9px 0;line-height:1.7}
.footer-contact i{color:var(--brand-500);margin-top:5px;flex:0 0 auto}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:#8FA5A2;
}

/* ===== 移动端底部条 ===== */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:110;
  background:rgba(255,255,255,.98);border-top:1px solid var(--line);
  padding:10px 16px;gap:10px;box-shadow:0 -6px 22px rgba(13,27,26,.08);
}
.mobile-bar .btn{flex:1;min-height:46px;padding:12px 10px}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .banner-inner{grid-template-columns:1fr;gap:40px;padding:56px 0 60px}
  .banner-visual{max-width:620px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  :root{--header-h:68px}
  h1{font-size:34px}
  h2{font-size:26px}
  .section{padding:64px 0}
  .nav-links,.header-cta{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .split{grid-template-columns:1fr;gap:32px}
  .strip-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:26px}
  .banner-inner h1{font-size:34px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  body{font-size:15px;padding-bottom:76px}
  .section{padding:56px 0}
  .section-head{margin-bottom:26px}
  .banner-inner{padding:40px 0 46px}
  .banner-inner h1{font-size:29px}
  .banner-sub{font-size:15px}
  .banner-actions .btn{flex:1 1 100%}
  .stat-badge{flex:1 1 46%;min-width:0;padding:12px 14px}
  .stat-badge b{font-size:24px}
  .float-card{right:6px;top:12px;padding:10px 14px}
  .card-grid{grid-template-columns:1fr}
  .tl-item{gap:14px;padding-bottom:20px}
  .timeline::before{left:20px}
  .tl-num{flex:0 0 42px;width:42px;height:42px;font-size:15px}
  .tl-body{padding:18px 18px}
  .split .visual img{aspect-ratio:16/12}
  .strip-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .strip-item{align-items:flex-start;gap:10px}
  .strip-item .si-icon{width:40px;height:40px;font-size:15px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-links a{padding:12px 0}
  .cta-inner{padding:48px 0}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%}
  .mobile-bar{display:flex}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:479px){
  .banner-inner h1{font-size:26px}
  .banner-badges{gap:10px}
  .stat-badge{flex:1 1 100%}
  .logo-text strong{font-size:17px}
  .strip-grid{grid-template-columns:1fr}
  .stat-badge b{font-size:22px}
}