/* roulang page: index */
:root{
  --primary:#0B7A6B;
  --primary-dark:#096355;
  --primary-soft:rgba(11,122,107,.12);
  --primary-line:rgba(11,122,107,.30);
  --accent:#FF7A45;
  --ink:#14161A;
  --text:#5A6068;
  --weak:#8A9099;
  --line:#E4E7E4;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --success:#1F9D6B;
  --warn:#C7862F;
  --radius-sm:14px;
  --radius:18px;
  --radius-lg:24px;
  --shadow-sm:0 1px 2px rgba(20,22,26,.04);
  --shadow:0 1px 2px rgba(20,22,26,.04),0 12px 32px -12px rgba(20,22,26,.10);
  --shadow-lg:0 2px 6px rgba(20,22,26,.06),0 20px 46px -16px rgba(20,22,26,.18);
  --gap:96px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ink);}
h1{font-size:clamp(34px,5vw,56px);font-weight:700;line-height:1.15;}
h2{font-size:clamp(26px,3.2vw,34px);font-weight:700;line-height:1.25;}
h3{font-size:20px;font-weight:600;line-height:1.45;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--gap) 0;}
.section-tight{padding:72px 0;}

/* ---------- 通用组件 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-title{position:relative;padding-left:16px;}
.sec-title::before{content:"";position:absolute;left:0;top:6px;width:4px;height:20px;border-radius:2px;background:var(--primary);}
.sec-sub{margin-top:10px;padding-left:16px;color:var(--text);font-size:15px;max-width:640px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.text-link span{transition:transform .2s ease;}
.text-link:hover span{transform:translateX(3px);}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;white-space:nowrap;text-align:center;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 22px -12px rgba(11,122,107,.65);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);}
.btn-block{width:100%;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:12px;letter-spacing:.08em;background:var(--primary-soft);color:var(--primary);font-weight:600;}
.badge-accent{background:rgba(255,122,69,.14);color:#D2541F;}
.badge-muted{background:#EFF1EE;color:var(--text);}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--primary-line);}

.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 导航 ---------- */
.nav-shell{position:fixed;top:16px;left:50%;transform:translateX(-50%);width:calc(100% - 32px);max-width:960px;z-index:1030;}
.nav-pill{display:flex;align-items:center;gap:10px;padding:9px 10px 9px 16px;border-radius:999px;background:rgba(255,255,255,.72);border:1px solid rgba(20,22,26,.06);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:background .3s ease,box-shadow .3s ease;}
.nav-shell.scrolled .nav-pill{background:rgba(255,255,255,.92);box-shadow:0 10px 34px -16px rgba(20,22,26,.35);}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15px;color:var(--ink);letter-spacing:-.01em;}
.brand:hover{color:var(--ink);}
.brand-mark{width:28px;height:28px;border-radius:9px;background:linear-gradient(140deg,var(--primary),#12A18B);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:700;flex:0 0 auto;}
.brand-text{white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{position:relative;padding:8px 11px;font-size:14px;color:var(--text);border-radius:999px;transition:color .2s ease;white-space:nowrap;}
.nav-links a::after{content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;background:var(--primary);transition:left .2s ease,right .2s ease;}
.nav-links a:hover,.nav-links a.active{color:var(--primary);}
.nav-links a:hover::after,.nav-links a.active::after{left:11px;right:11px;}
.nav-cta{margin-left:6px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto;}
.nav-toggle i{display:block;width:16px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);border-radius:2px;}
.nav-toggle i::before{top:-5px;}
.nav-toggle i::after{top:5px;}
.drawer{position:fixed;inset:0;background:#fff;z-index:1040;display:none;flex-direction:column;padding:24px;}
.drawer.open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;cursor:pointer;color:var(--text);}
.drawer a{display:flex;align-items:center;height:44px;padding:0 8px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line);}
.drawer a.active{color:var(--primary);font-weight:600;}
.drawer .btn{margin-top:22px;}

/* ---------- Hero ---------- */
.hero{padding:150px 0 0;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--text);margin-bottom:22px;}
.hero-eyebrow b{color:var(--primary);font-weight:600;}
.hero p.lead{margin-top:20px;font-size:17px;color:var(--text);max-width:520px;}
.hero-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}
.hero-stats .stat-num{font-size:20px;font-weight:600;letter-spacing:.04em;color:var(--primary);}
.hero-stats .stat-label{font-size:13px;color:var(--weak);margin-top:2px;}
.hero-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--shadow-lg);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(11,122,107,.08);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding:8px 0 0;}
.timeline::before{content:"";position:absolute;left:50%;top:0;width:1px;height:0;background:var(--line);transform:translateX(-50%);transition:height 1.2s cubic-bezier(.22,.61,.36,1);}
.timeline.in::before{height:100%;}
.tl-item{position:relative;width:50%;padding:0 44px 44px 0;}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 44px 44px;}
.tl-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--primary-line);}
.tl-time{display:inline-flex;align-items:center;padding:3px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:12px;}
.tl-card h3{margin-bottom:8px;}
.tl-card p{color:var(--text);font-size:15px;}
.tl-meta{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--weak);}
.tl-dot{position:absolute;top:26px;right:-5px;width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 6px rgba(11,122,107,.14);}
.tl-item:nth-child(even) .tl-dot{right:auto;left:-5px;}

/* ---------- 嘉宾 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.person-card{padding:28px;display:flex;flex-direction:column;gap:14px;}
.person-top{display:flex;align-items:center;gap:16px;}
.person-avatar{width:64px;height:64px;border-radius:12px;overflow:hidden;flex:0 0 auto;background:#EFF1EE;}
.person-avatar img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.person-card:hover .person-avatar img{transform:scale(1.03);}
.person-name{font-size:17px;font-weight:600;}
.person-role{font-size:13px;color:var(--weak);margin-top:2px;}
.person-card p{font-size:14px;color:var(--text);}

/* ---------- 票种 ---------- */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.ticket{position:relative;padding:32px 28px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.ticket:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--primary-line);}
.ticket.featured{border:2px solid var(--primary);transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.ticket.featured:hover{transform:translateY(-11px);}
.ticket-flag{position:absolute;top:-13px;left:28px;padding:3px 12px;border-radius:999px;background:var(--accent);color:#fff;font-size:12px;font-weight:600;letter-spacing:.06em;}
.ticket h3{font-size:19px;}
.ticket-price{margin:16px 0 4px;font-size:32px;font-weight:700;letter-spacing:.04em;color:var(--ink);}
.ticket-price small{font-size:13px;font-weight:400;color:var(--weak);letter-spacing:0;margin-left:6px;}
.ticket-note{font-size:13px;color:var(--weak);}
.ticket-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:11px;}
.ticket-list li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--text);}
.ticket-list .ico{width:18px;height:18px;border-radius:50%;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;font-size:11px;line-height:1;margin-top:3px;}
.ico-yes{background:rgba(31,157,107,.14);color:var(--success);}
.ico-no{background:#F0F1EF;color:var(--weak);}
.ticket-list li.off{color:var(--weak);}

/* ---------- 报名 ---------- */
.signup-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:start;}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--weak);margin-bottom:8px;}
.field .req{color:var(--accent);margin-left:4px;}
.form-control,.form-select{width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;font-size:15px;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease;}
textarea.form-control{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8A9099 50%),linear-gradient(135deg,#8A9099 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-control::placeholder,textarea.form-control::placeholder{color:#B4B8B3;}
.form-control:focus,.form-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(11,122,107,.14);}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text);}
.check-row input{width:18px;height:18px;border-radius:4px;accent-color:var(--primary);margin-top:3px;flex:0 0 auto;}
.form-actions{margin-top:22px;}
.form-msg{display:none;margin-top:14px;padding:12px 16px;border-radius:var(--radius-sm);background:rgba(31,157,107,.10);color:#15764F;font-size:14px;}
.form-msg.show{display:block;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);}
.side-card + .side-card{margin-top:20px;}
.side-card h3{font-size:17px;margin-bottom:16px;}
.notice-list li{display:flex;gap:10px;font-size:14px;color:var(--text);padding:9px 0;border-bottom:1px dashed var(--line);}
.notice-list li:last-child{border-bottom:none;}
.notice-list .idx{color:var(--primary);font-weight:600;font-size:13px;letter-spacing:.06em;flex:0 0 auto;padding-top:2px;}
.contact-line{font-size:14px;color:var(--text);line-height:2;}
.contact-line b{color:var(--ink);font-weight:600;}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;overflow:hidden;height:100%;}
.news-thumb{aspect-ratio:3/2;overflow:hidden;background:#EFF1EE;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-title{font-size:17px;font-weight:600;line-height:1.5;}
.news-title a{color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card:hover .news-title a{color:var(--primary);}
.news-desc{font-size:14px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--weak);}
.empty-state{padding:64px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius);background:#fff;}
.empty-state .empty-ico{width:52px;height:52px;border-radius:16px;background:var(--primary-soft);color:var(--primary);display:inline-flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px;}
.empty-state p{color:var(--text);font-size:15px;}
.empty-state .btn{margin-top:20px;}

/* ---------- FAQ ---------- */
.faq{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);position:relative;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);transform:scaleY(0);transform-origin:top;transition:transform .24s ease;}
.faq-item.open{border-color:var(--primary-line);box-shadow:var(--shadow-sm);}
.faq-item.open::before{transform:scaleY(1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px;background:none;border:none;text-align:left;font-size:16px;font-weight:600;cursor:pointer;color:var(--ink);}
.faq-q .sign{flex:0 0 auto;width:24px;height:24px;border-radius:50%;background:#F0F1EF;color:var(--text);display:inline-flex;align-items:center;justify-content:center;font-size:15px;line-height:1;transition:transform .24s ease,background .24s ease,color .24s ease;}
.faq-item.open .faq-q .sign{transform:rotate(90deg);background:var(--primary-soft);color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 20px 20px;color:var(--text);font-size:15px;}

/* ---------- CTA 条 ---------- */
.cta-bar{background:var(--ink);border-radius:var(--radius-lg);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-bar h2{color:#fff;font-size:26px;}
.cta-bar p{color:#A9AFB6;font-size:15px;margin-top:10px;max-width:520px;}
.cta-bar .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-bar .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.cta-bar .btn-ghost:hover{border-color:#fff;color:#fff;}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:#A9AFB6;padding:72px 0 0;margin-top:var(--gap);}
.footer-grid{display:grid;grid-template-columns:2fr 2fr 2fr 2fr;gap:40px;}
.footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600;}
.footer .f-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:16px;}
.footer .f-brand .brand-mark{background:linear-gradient(140deg,var(--primary),#12A18B);}
.footer p{font-size:14px;line-height:1.9;}
.footer-links li{line-height:2;}
.footer-links a{color:#A9AFB6;font-size:14px;transition:color .2s ease;}
.footer-links a:hover{color:rgba(18,161,139,.9);}
.footer-bottom{margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.10);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;}

.to-top{position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);color:var(--primary);font-size:18px;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .28s ease;z-index:1020;}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--primary);color:#fff;border-color:var(--primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 24px;}
  :root{--gap:72px;}
  .grid-3,.news-grid,.ticket-grid{grid-template-columns:repeat(2,1fr);}
  .ticket.featured{transform:none;}
  .ticket.featured:hover{transform:translateY(-3px);}
}
@media (max-width:991px){
  :root{--gap:56px;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{max-width:100%;}
  .hero{padding:120px 0 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:2;aspect-ratio:16/9;}
  .hero p.lead{max-width:100%;}
  .signup-wrap{grid-template-columns:1fr;}
  .timeline::before{left:13px;transform:none;}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 32px 40px;text-align:left;}
  .tl-dot,.tl-item:nth-child(even) .tl-dot{left:8px;right:auto;top:24px;}
  .cta-bar{padding:36px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .grid-3,.news-grid,.ticket-grid{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .hero{padding:112px 0 0;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px;}
  .hero-actions .btn{width:100%;}
  .sec-head{margin-bottom:28px;}
  .form-card,.side-card{padding:22px;}
  .ticket{padding:26px 22px;}
  .cta-bar{padding:28px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer{padding:56px 0 0;margin-top:56px;}
  .to-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --brand:#0B7A6B;
  --brand-600:#08685B;
  --brand-700:#075A4F;
  --brand-050:rgba(11,122,107,.08);
  --brand-100:rgba(11,122,107,.14);
  --accent:#FF7A45;
  --ink:#14161A;
  --sub:#5A6068;
  --weak:#8A9099;
  --line:#E4E7E4;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#C7862F;
  --r-card:18px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,22,26,.04);
  --sh-2:0 1px 2px rgba(20,22,26,.04),0 12px 32px -12px rgba(20,22,26,.10);
  --sh-3:0 2px 6px rgba(20,22,26,.06),0 24px 48px -18px rgba(20,22,26,.18);
  --sp-sec:96px;
  --bs-primary:#0B7A6B;
  --bs-primary-rgb:11,122,107;
  --bs-body-bg:#F5F6F4;
  --bs-body-color:#14161A;
  --bs-border-color:#E4E7E4;
  --bs-border-radius:14px;
  --bs-border-radius-lg:18px;
  --bs-border-radius-pill:999px;
  --bs-link-color:#0B7A6B;
  --bs-link-hover-color:#08685B;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-600);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* ---------- 悬浮胶囊导航 ---------- */
.nav-shell{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:1040;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.nav-pill{
  pointer-events:auto;
  width:100%;
  max-width:960px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 12px 10px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(20,22,26,.06);
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.nav-shell.is-scrolled .nav-pill{
  background:rgba(255,255,255,.92);
  box-shadow:var(--sh-2);
  border-color:rgba(20,22,26,.08);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
  font-weight:700;
  font-size:15px;
  letter-spacing:-.01em;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:28px;
  height:28px;
  border-radius:9px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--brand);
  color:#fff;
  font-size:14px;
  font-weight:700;
  line-height:1;
  flex:0 0 auto;
}
.brand-text{white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
  margin-right:auto;
}
.nav-links a{
  position:relative;
  padding:8px 12px;
  font-size:14px;
  color:var(--sub);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;
  right:50%;
  bottom:3px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transition:left .2s ease,right .2s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after,
.nav-links a.active::after{left:22%;right:22%;}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.nav-toggle i{
  position:relative;
  display:block;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
}
.nav-toggle i::before,
.nav-toggle i::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
}
.nav-toggle i::before{top:-5px;}
.nav-toggle i::after{top:5px;}

/* ---------- 移动端抽屉 ---------- */
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:1050;
  background:rgba(20,22,26,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
}
.nav-drawer.is-open{opacity:1;visibility:visible;}
.nav-drawer-panel{
  position:absolute;
  top:78px;
  left:16px;
  right:16px;
  background:#fff;
  border-radius:var(--r-lg);
  padding:12px;
  box-shadow:var(--sh-3);
  border:1px solid var(--line);
}
.nav-drawer-panel a{
  display:block;
  line-height:44px;
  padding:0 16px;
  border-radius:14px;
  color:var(--ink);
  font-size:15px;
}
.nav-drawer-panel a:hover{background:var(--brand-050);color:var(--brand);}
.nav-drawer-panel a.active{color:var(--brand);font-weight:600;background:var(--brand-050);}
.nav-drawer-panel .drawer-cta{margin-top:8px;}
.nav-drawer-panel .drawer-cta .btn{width:100%;}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-border-radius:var(--r-pill);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  transition:transform .18s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{
  --bs-btn-bg:var(--brand);
  --bs-btn-border-color:var(--brand);
  --bs-btn-color:#fff;
  --bs-btn-hover-bg:var(--brand-600);
  --bs-btn-hover-border-color:var(--brand-600);
  --bs-btn-hover-color:#fff;
  --bs-btn-active-bg:var(--brand-700);
  --bs-btn-active-border-color:var(--brand-700);
  --bs-btn-active-color:#fff;
  --bs-btn-focus-shadow-rgb:11,122,107;
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
}
.btn-primary:hover{
  background:var(--brand-600);
  border-color:var(--brand-600);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 12px 24px -14px rgba(11,122,107,.7);
}
.btn-outline-secondary,
.btn-ghost{
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink);
}
.btn-outline-secondary:hover,
.btn-ghost:hover{
  border-color:var(--brand);
  color:var(--brand);
  background:#fff;
  transform:translateY(-1px);
}
.btn-onbrand{
  background:#fff;
  border-color:#fff;
  color:var(--brand);
}
.btn-onbrand:hover{
  background:#fff;
  border-color:#fff;
  color:var(--brand-700);
  transform:translateY(-1px);
}
.btn-onbrand-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.btn-onbrand-ghost:hover{
  background:rgba(255,255,255,.12);
  border-color:#fff;
  color:#fff;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.link-more span{transition:transform .2s ease;}
.link-more:hover span{transform:translateX(3px);}

/* ---------- 内页头部 ---------- */
.page-hero{
  position:relative;
  padding:158px 0 52px;
  background:
    linear-gradient(180deg,rgba(11,122,107,.07) 0%,rgba(245,246,244,0) 78%),
    radial-gradient(rgba(20,22,26,.05) 1px,transparent 1px);
  background-size:auto,22px 22px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--weak);
  margin-bottom:18px;
}
.crumb a{color:var(--weak);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9CDC8;}
.crumb-current{color:var(--sub);}
.page-hero h1{
  font-size:clamp(32px,4.4vw,48px);
  font-weight:700;
  line-height:1.18;
  max-width:20em;
}
.page-lead{
  margin-top:18px;
  font-size:17px;
  color:var(--sub);
  max-width:44em;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
  list-style:none;
}
.hero-tags li{
  font-size:12px;
  letter-spacing:.08em;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--brand-050);
  border:1px solid var(--brand-100);
  color:var(--brand);
  font-weight:600;
}

/* ---------- 双栏文档布局 ---------- */
.doc-section{padding:20px 0 var(--sp-sec);}
.doc-layout{
  display:grid;
  grid-template-columns:264px minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.doc-toc{
  position:sticky;
  top:104px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 20px;
  box-shadow:var(--sh-1);
}
.toc-title{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--weak);
  font-weight:600;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.toc-list{
  list-style:none;
  margin-top:14px;
  counter-reset:toc;
}
.toc-list li{counter-increment:toc;margin-bottom:4px;}
.toc-list a{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:8px 10px;
  border-radius:12px;
  font-size:14px;
  color:var(--sub);
  line-height:1.55;
  border-left:2px solid transparent;
}
.toc-list a::before{
  content:counter(toc,decimal-leading-zero);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--weak);
  padding-top:2px;
}
.toc-list a:hover{
  background:var(--brand-050);
  color:var(--brand);
}
.toc-list a:hover::before{color:var(--brand);}
.toc-note{
  margin-top:16px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--weak);
  line-height:1.7;
}
.doc-body{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:40px 40px 44px;
  box-shadow:var(--sh-1);
}
.doc-body > section + section{
  margin-top:44px;
  padding-top:44px;
  border-top:1px solid var(--line);
}
.doc-body h2{
  position:relative;
  font-size:26px;
  font-weight:700;
  line-height:1.35;
  padding-left:16px;
}
.doc-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  width:4px;
  height:20px;
  border-radius:2px;
  background:var(--brand);
}
.doc-body p{
  margin-top:16px;
  color:var(--sub);
  line-height:1.85;
}
.doc-body p strong{color:var(--ink);font-weight:600;}
.doc-body h3{
  margin-top:28px;
  font-size:18px;
  font-weight:600;
}
.steps{
  counter-reset:step;
  list-style:none;
  margin-top:20px;
}
.steps li{
  counter-increment:step;
  position:relative;
  padding-left:46px;
  margin-bottom:16px;
  color:var(--sub);
  line-height:1.8;
}
.steps li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:0;
  top:3px;
  width:30px;
  height:30px;
  border-radius:10px;
  background:var(--brand-050);
  border:1px solid var(--brand-100);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  display:flex;
  align-items:center;
  justify-content:center;
}
.steps li b{color:var(--ink);font-weight:600;}
.note{
  margin-top:22px;
  padding:16px 20px;
  border-left:3px solid var(--brand);
  border-radius:0 14px 14px 0;
  background:#F3F8F6;
  font-size:14px;
  color:var(--sub);
  line-height:1.8;
}
.note strong{color:var(--ink);}
.doc-figure{
  margin:26px 0 0;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
}
.doc-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.doc-figure figcaption{
  font-size:13px;
  color:var(--weak);
  text-align:center;
  padding:12px 16px;
}
.check-list{
  list-style:none;
  margin-top:20px;
  display:grid;
  gap:12px;
}
.check-list li{
  position:relative;
  padding:14px 18px 14px 44px;
  border:1px solid var(--line);
  border-radius:14px;
  font-size:14.5px;
  color:var(--sub);
  line-height:1.75;
  background:#FCFDFC;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:18px;
  top:22px;
  width:8px;
  height:8px;
  border-radius:3px;
  background:var(--brand);
}
.check-list li:hover{
  border-color:rgba(11,122,107,.32);
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
}
.check-list li b{color:var(--ink);font-weight:600;}

/* ---------- 底部 CTA ---------- */
.cta-wrap{padding:0 0 var(--sp-sec);}
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  padding:52px;
  color:#fff;
  background:
    linear-gradient(135deg,rgba(11,122,107,.94),rgba(9,84,74,.96)),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  box-shadow:0 24px 48px -26px rgba(11,122,107,.6);
}
.cta-band .cta-title{
  font-size:26px;
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.01em;
}
.cta-band .cta-desc{
  margin-top:10px;
  font-size:15px;
  color:rgba(255,255,255,.82);
  max-width:36em;
  line-height:1.8;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.footer{
  background:#14161A;
  color:#9BA1A8;
  padding:72px 0 28px;
  margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
}
.footer .f-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:700;
  font-size:16px;
}
.footer p{
  margin-top:16px;
  font-size:13.5px;
  line-height:1.9;
  color:#8A9099;
  max-width:32em;
}
.footer h4{
  color:#fff;
  font-size:14px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-links{list-style:none;}
.footer-links li{line-height:2;}
.footer-links a{
  color:#9BA1A8;
  font-size:14px;
  transition:color .2s ease;
}
.footer-links a:hover{color:rgba(11,122,107,.95);}
.footer-bottom{
  margin-top:48px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#7B8187;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:24px;
  width:44px;
  height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand);
  font-size:16px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--sh-2);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,background .2s ease;
  z-index:1030;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand);color:#fff;border-color:var(--brand);}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);
}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding-left:24px;padding-right:24px;}
  .doc-layout{grid-template-columns:228px minmax(0,1fr);gap:32px;}
  .doc-body{padding:34px 32px 38px;}
  :root{--sp-sec:72px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .page-hero{padding-top:132px;}
  .doc-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .doc-toc{position:static;top:auto;}
  .toc-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 12px;}
  .doc-body{padding:28px 24px 32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-band{padding:40px 32px;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  :root{--sp-sec:56px;}
  .brand-text{font-size:14px;}
  .page-hero{padding:120px 0 40px;}
  .page-lead{font-size:15.5px;}
  .doc-body h2{font-size:22px;}
  .doc-body p,.steps li{font-size:15px;}
  .toc-list{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:34px 24px;flex-direction:column;align-items:flex-start;}
  .cta-band .cta-title{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer{padding:56px 0 24px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:28px;}
  .doc-body{padding:24px 18px 28px;}
  .steps li{padding-left:40px;}
  .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis;}
}

/* roulang page: article */
:root{
  --brand:#0B7A6B;
  --brand-d:#096356;
  --brand-soft:rgba(11,122,107,.12);
  --brand-line:rgba(11,122,107,.30);
  --accent:#FF7A45;
  --ink:#14161A;
  --text:#2B3036;
  --muted:#5A6068;
  --weak:#8A9099;
  --line:#E4E7E4;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#C7862F;
  --r-sm:10px;
  --r:14px;
  --r-md:18px;
  --r-lg:24px;
  --shadow:0 1px 2px rgba(20,22,26,.04),0 12px 32px -12px rgba(20,22,26,.10);
  --shadow-h:0 2px 4px rgba(20,22,26,.06),0 18px 42px -14px rgba(20,22,26,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --bs-primary:#0B7A6B;
  --bs-body-bg:#F5F6F4;
  --bs-body-color:#14161A;
  --bs-border-radius:14px;
  --bs-border-color:#E4E7E4;
  --bs-link-color:#0B7A6B;
  --bs-link-hover-color:#096356;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-d);}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary,.btn.btn-primary{
  background:var(--brand);color:#fff;border-color:var(--brand);
  --bs-btn-bg:var(--brand);--bs-btn-border-color:var(--brand);
  --bs-btn-hover-bg:var(--brand-d);--bs-btn-hover-border-color:var(--brand-d);
  --bs-btn-color:#fff;--bs-btn-hover-color:#fff;--bs-btn-active-bg:var(--brand-d);
}
.btn-primary:hover,.btn.btn-primary:hover{background:var(--brand-d);border-color:var(--brand-d);transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(11,122,107,.8);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-outline,.btn.btn-outline{
  background:#fff;color:var(--ink);border:1px solid var(--line);
}
.btn-outline:hover{background:#fff;color:var(--brand);border-color:var(--brand);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand);}
.link-more span{transition:transform .2s var(--ease);}
.link-more:hover span{transform:translateX(3px);}

/* ============ 导航 ============ */
.nav-shell{position:fixed;top:16px;left:0;right:0;z-index:1030;padding:0 20px;pointer-events:none;}
.nav-pill{
  pointer-events:auto;
  max-width:960px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:8px 10px 8px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(20,22,26,.06);
  transition:background-color .3s var(--ease),box-shadow .3s var(--ease);
}
.nav-shell.scrolled .nav-pill{background:rgba(255,255,255,.94);box-shadow:0 10px 30px -16px rgba(20,22,26,.35);}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--ink);font-size:16px;white-space:nowrap;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 28px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-size:14px;font-weight:700;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;}
.nav-links a{
  position:relative;display:block;padding:8px 12px;border-radius:999px;
  font-size:14.5px;color:var(--muted);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:3px;width:0;height:2px;border-radius:2px;
  background:var(--brand);transform:translateX(-50%);transition:width .2s var(--ease);
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{width:18px;}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{width:18px;}
.nav-cta{margin-left:8px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:999px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle i{display:block;position:relative;width:16px;height:2px;border-radius:2px;background:var(--ink);}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:var(--ink);}
.nav-toggle i::before{top:-5px;}
.nav-toggle i::after{top:5px;}
.nav-drawer{
  position:fixed;inset:0;z-index:1040;background:rgba(20,22,26,.35);
  display:flex;justify-content:center;align-items:flex-start;padding:96px 20px 20px;
}
.nav-drawer[hidden]{display:none;}
.nav-drawer-panel{
  width:100%;max-width:420px;background:#fff;border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--shadow-h);
}
.nav-drawer-panel a{
  display:flex;align-items:center;min-height:44px;padding:0 14px;border-radius:var(--r);
  color:var(--ink);font-size:15.5px;
}
.nav-drawer-panel a:hover,.nav-drawer-panel a.active{background:var(--brand-soft);color:var(--brand);}
.nav-drawer-panel .btn{margin-top:12px;}

/* ============ 文章头部 ============ */
.article-head{padding:140px 0 0;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:16px;flex-wrap:wrap;}
.crumbs a{color:var(--weak);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:#C9CFCB;}
.crumbs .crumb-current{
  max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);
}
.head-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:48px;align-items:center;}
.head-grid h1{
  font-size:clamp(30px,3.6vw,44px);font-weight:700;line-height:1.22;letter-spacing:-.01em;
}
.head-lead{margin-top:18px;font-size:16.5px;color:var(--muted);max-width:560px;}
.meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px;
  margin-top:22px;font-size:13px;color:var(--weak);
}
.meta-row .dot{width:1px;height:12px;background:var(--line);display:inline-block;}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  background:var(--brand-soft);color:var(--brand);
}
.badge-accent{background:rgba(255,122,69,.14);color:#B94C1C;}
.badge-plain{background:#EFEFEC;color:var(--muted);}
.head-figure{
  border-radius:var(--r-lg);overflow:hidden;position:relative;
  aspect-ratio:4/3;background:#E8EBE8;box-shadow:var(--shadow);
}
.head-figure img{width:100%;height:100%;object-fit:cover;}
.head-figure::after{
  content:"";position:absolute;inset:0;background:rgba(11,122,107,.08);
}

/* ============ 阅读区 ============ */
.article-main{padding:64px 0 96px;}
.article-grid{
  display:grid;grid-template-columns:minmax(0,760px) 200px;
  gap:56px;justify-content:center;align-items:start;
}
.article-body{font-size:16.5px;line-height:1.85;color:var(--text);}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;font-size:22px;font-weight:700;margin:40px 0 16px;
  padding-left:14px;scroll-margin-top:120px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:18px;font-weight:600;margin:28px 0 12px;scroll-margin-top:120px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0;}
.article-body ul>li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul>li::before{
  content:"";position:absolute;left:3px;top:11px;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.article-body ol{counter-reset:item;}
.article-body ol>li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:item;}
.article-body ol>li::before{
  content:counter(item);
  position:absolute;left:0;top:5px;
  width:20px;height:20px;border-radius:6px;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;line-height:20px;text-align:center;
}
.article-body blockquote{
  margin:0 0 22px;padding:16px 20px;
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;
  background:#F1F6F4;color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:8px 0 8px;}
.article-body figure{margin:0 0 22px;}
.article-body figcaption{font-size:13px;color:var(--weak);text-align:center;margin-top:8px;}
.article-body a{text-decoration:underline;text-underline-offset:3px;}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:#F1F6F4;color:var(--ink);}

/* 目录 */
.toc{
  position:sticky;top:110px;align-self:start;
  border-left:1px solid var(--line);padding-left:18px;
}
.toc-title{font-size:13px;letter-spacing:.08em;color:var(--weak);margin-bottom:12px;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;padding:6px 0;font-size:13.5px;line-height:1.5;color:var(--muted);
  border-left:2px solid transparent;margin-left:-19px;padding-left:17px;
}
.toc-list a:hover{color:var(--brand);}
.toc-list a.on{color:var(--brand);font-weight:600;border-left-color:var(--brand);}

/* 标签区 */
.article-foot{margin-top:48px;padding-top:32px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .label{font-size:13px;color:var(--weak);margin-right:4px;}

/* 相关推荐 */
.rel-section{padding:0 0 96px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-title{position:relative;padding-left:14px;font-size:28px;font-weight:700;}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand);
}
.section-sub{margin-top:8px;font-size:14.5px;color:var(--muted);padding-left:14px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:var(--brand-line);}
.card-figure{aspect-ratio:3/2;overflow:hidden;background:#E8EBE8;}
.card-figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-figure img{transform:scale(1.03);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;margin:12px 0 10px;}
.card-body h3 a{color:var(--ink);}
.card-body h3 a:hover{color:var(--brand);}
.card-excerpt{font-size:14.5px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;font-size:13px;color:var(--weak);
}
.card-meta .go{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;transition:transform .2s var(--ease);}
.card:hover .card-meta .go{transform:translateX(3px);}
.back-row{display:flex;justify-content:center;margin-top:48px;}

/* 空态 */
.empty-state{
  max-width:560px;margin:0 auto;text-align:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:44px 28px;box-shadow:var(--shadow);
}
.empty-state .icon{
  width:52px;height:52px;border-radius:16px;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;margin-bottom:16px;
}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* CTA 条 */
.cta-band{
  background:#14161A;border-radius:var(--r-lg);padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(11,122,107,.22);
}
.cta-band h2{color:#fff;font-size:26px;position:relative;}
.cta-band p{color:#9BA1A6;font-size:15px;margin-top:10px;position:relative;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}
.cta-band .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.6);}

/* ============ 页脚 ============ */
.footer{background:#14161A;color:#9BA1A6;padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.f-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px;}
.footer p{font-size:14px;line-height:1.8;max-width:340px;}
.footer h4{color:#fff;font-size:14px;letter-spacing:.06em;margin-bottom:14px;font-weight:600;}
.footer-links li a{display:inline-block;padding:5px 0;font-size:14px;color:#9BA1A6;}
.footer-links li a:hover{color:rgba(11,122,107,.9);color:#5FC7B8;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7C8288;
}
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:1020;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
  cursor:pointer;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--brand);border-color:var(--brand-line);}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.in{opacity:1;transform:none;transition:opacity .48s var(--ease),transform .48s var(--ease);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .toc{position:static;border-left:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;}
  .toc-list a{margin-left:0;padding-left:12px;}
  .toc-list a.on{border-left-color:var(--brand);}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .article-head{padding:120px 0 0;}
  .head-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .head-figure{order:2;aspect-ratio:16/9;}
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-pill{padding:8px 10px 8px 16px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .article-head{padding:104px 0 0;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:20px;margin-top:34px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:32px 24px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer{padding-top:56px;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:520px){
  .head-grid h1{font-size:26px;}
  .section-title{font-size:23px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --bs-primary:#0B7A6B;
  --bs-primary-rgb:11,122,107;
  --bs-body-bg:#F5F6F4;
  --bs-body-color:#14161A;
  --bs-border-radius:14px;
  --bs-border-color:#E4E7E4;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-link-color:#0B7A6B;
  --bs-link-hover-color:#095F54;
  --c-primary:#0B7A6B;
  --c-primary-dark:#095F54;
  --c-primary-soft:rgba(11,122,107,.12);
  --c-accent:#FF7A45;
  --c-ink:#14161A;
  --c-sub:#5A6068;
  --c-mute:#8A9099;
  --c-line:#E4E7E4;
  --c-bg:#F5F6F4;
  --c-card:#FFFFFF;
  --c-success:#1F9D6B;
  --c-warn:#C7862F;
  --r-md:12px;
  --r-lg:18px;
  --r-xl:24px;
  --sh-sm:0 1px 2px rgba(20,22,26,.04);
  --sh-card:0 1px 2px rgba(20,22,26,.04),0 12px 32px -12px rgba(20,22,26,.10);
  --sh-lift:0 2px 6px rgba(20,22,26,.06),0 22px 44px -16px rgba(20,22,26,.18);
  --sec-gap:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background-color:var(--c-bg);
  background-image:radial-gradient(rgba(20,22,26,.028) 1px,transparent 1px);
  background-size:22px 22px;
  padding-top:104px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--c-ink)}
h1{font-size:clamp(32px,4.6vw,50px);line-height:1.16}
h2{font-size:clamp(24px,3vw,32px);line-height:1.3}
h3{font-size:20px;font-weight:600;line-height:1.45}
p{margin:0 0 18px}
ul,ol{margin:0 0 18px;padding-left:20px}
li{margin-bottom:8px}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 导航 ---------- */
.nav-shell{position:fixed;top:16px;left:0;right:0;z-index:1040;display:flex;justify-content:center;padding:0 20px}
.nav-pill{
  position:relative;display:flex;align-items:center;gap:18px;
  width:100%;max-width:960px;padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(20,22,26,.06);border-radius:999px;
  transition:background .28s ease,box-shadow .28s ease;
}
.nav-shell.scrolled .nav-pill{background:rgba(255,255,255,.92);box-shadow:0 10px 30px -14px rgba(20,22,26,.28)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);font-weight:700;letter-spacing:-.01em}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#0B7A6B,#0F9A85);color:#fff;font-size:14px;font-weight:700;
}
.brand-text{font-size:15px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;padding:8px 12px;border-radius:999px;font-size:14px;color:var(--c-sub);white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:translateX(-50%);transition:width .2s ease;
}
.nav-links a:hover{color:var(--c-primary);background:rgba(11,122,107,.06)}
.nav-links a:hover::after{width:18px}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{width:22px}
.nav-cta{flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--c-line);border-radius:999px;background:#fff;
  align-items:center;justify-content:center;cursor:pointer;margin-left:auto;
}
.nav-toggle i{display:block;width:16px;height:2px;background:var(--c-ink);border-radius:2px;position:relative}
.nav-toggle i::before,.nav-toggle i::after{content:"";position:absolute;left:0;width:16px;height:2px;background:var(--c-ink);border-radius:2px}
.nav-toggle i::before{top:-5px}
.nav-toggle i::after{top:5px}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-focus-box-shadow:0 0 0 4px rgba(11,122,107,.18);
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--c-primary);border-color:var(--c-primary);color:#fff!important}
.btn-primary:hover,.btn-primary:focus{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-accent:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-arrow span{transition:transform .2s ease}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 面包屑 ---------- */
.crumbs{padding:26px 0 0;font-size:13px;color:var(--c-mute)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.crumbs li{display:flex;align-items:center;gap:8px;margin:0}
.crumbs li+li::before{content:"/";color:#C9CDC9}
.crumbs a{color:var(--c-sub)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .current{color:var(--c-ink);font-weight:600}

/* ---------- 页面头部 ---------- */
.page-hero{padding:28px 0 0}
.hero-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:48px;align-items:center}
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.08em;
}
.page-hero h1{margin:18px 0 16px}
.lede{font-size:17px;color:var(--c-sub);max-width:620px;margin-bottom:28px}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:4/3;background:#E8EBE8;
  box-shadow:var(--sh-card);border:1px solid var(--c-line);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,122,107,.08),rgba(11,122,107,.22))}
.hero-media .media-cap{
  position:absolute;left:18px;bottom:16px;z-index:2;color:#fff;font-size:13px;font-weight:600;
  padding:6px 12px;border-radius:999px;background:rgba(20,22,26,.42);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:8px}
.stat{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:18px 20px;box-shadow:var(--sh-sm);
}
.stat .num{font-size:24px;font-weight:700;letter-spacing:.04em;color:var(--c-primary);line-height:1.2}
.stat .num.accent{color:var(--c-accent)}
.stat .lb{font-size:13px;color:var(--c-mute);margin-top:4px}

/* ---------- 板块 ---------- */
.section{padding-top:var(--sec-gap)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-title{display:flex;align-items:center;gap:12px}
.sec-title::before{content:"";width:4px;height:20px;border-radius:3px;background:var(--c-primary)}
.sec-note{font-size:14px;color:var(--c-sub);max-width:520px;margin:8px 0 0}

/* ---------- 流程步骤条 ---------- */
.step-rail{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-sm);
}
.step-node{position:relative;padding-top:26px}
.step-node::before{
  content:"";position:absolute;top:8px;left:14px;right:-12px;height:2px;background:var(--c-line);
}
.step-node:last-child::before{display:none}
.step-node::after{
  content:"";position:absolute;top:2px;left:8px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:2px solid var(--c-primary);
}
.step-node .idx{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--c-primary);display:block;margin-bottom:4px}
.step-node .nm{font-size:14px;color:var(--c-sub);line-height:1.6}

/* ---------- 编号条目流 ---------- */
.num-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:8px 28px;box-shadow:var(--sh-sm)}
.num-item{display:grid;grid-template-columns:120px 1fr;gap:28px;padding:32px 0;border-bottom:1px solid var(--c-line)}
.num-item:last-child{border-bottom:0}
.num-index{
  font-size:clamp(40px,5vw,60px);font-weight:700;line-height:1;letter-spacing:.02em;
  color:rgba(11,122,107,.22);
}
.num-body h3{margin-bottom:10px}
.num-body p{color:var(--c-sub);margin-bottom:14px}
.num-body p:last-child{margin-bottom:0}
.mini-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.mini-list li{
  position:relative;padding-left:24px;font-size:14.5px;color:var(--c-sub);margin:0;
}
.mini-list li::before{
  content:"";position:absolute;left:6px;top:11px;width:8px;height:8px;border-radius:2px;background:var(--c-primary-soft);border:1px solid rgba(11,122,107,.5);
}
.pill-note{
  display:inline-flex;align-items:center;gap:8px;margin-top:6px;padding:6px 14px;border-radius:999px;
  background:rgba(199,134,47,.10);color:var(--c-warn);font-size:13px;font-weight:600;
}

/* ---------- 安全提示卡 ---------- */
.tip-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.tip-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh-card);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  height:100%;
}
.tip-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lift);border-color:rgba(11,122,107,.3)}
.tip-card .ico{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:18px;font-weight:700;margin-bottom:18px;
}
.tip-card h3{margin-bottom:10px}
.tip-card p{color:var(--c-sub);font-size:14.5px;margin-bottom:0}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:760px;margin:0 auto}
.accordion-item{
  background:#fff;border:1px solid var(--c-line)!important;border-radius:var(--r-md)!important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-sm);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  position:relative;background:#fff;color:var(--c-ink);font-size:16px;font-weight:600;line-height:1.6;
  padding:20px 56px 20px 20px;box-shadow:none!important;
}
.accordion-button::after{
  content:none;
}
.accordion-button .faq-mark{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:22px;height:22px;line-height:20px;text-align:center;border-radius:50%;
  border:1px solid var(--c-line);color:var(--c-primary);font-size:14px;font-weight:700;
  transition:transform .24s ease,background .24s ease,border-color .24s ease,color .24s ease;
}
.accordion-button:not(.collapsed){color:var(--c-primary);background:rgba(11,122,107,.04)}
.accordion-button:not(.collapsed) .faq-mark{background:var(--c-primary);border-color:var(--c-primary);color:#fff;transform:translateY(-50%) rotate(90deg)}
.accordion-button:focus{border-color:var(--c-primary)}
.accordion-body{padding:4px 20px 22px 23px;color:var(--c-sub);font-size:15px;border-left:3px solid var(--c-primary)}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;margin-top:var(--sec-gap);border-radius:var(--r-xl);overflow:hidden;
  background:#14161A;
}
.cta-band .bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.34;
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,122,107,.86),rgba(20,22,26,.88))}
.cta-inner{position:relative;z-index:2;padding:56px;display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center}
.cta-inner h2{color:#fff;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.78);margin:0;max-width:640px;font-size:15px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.cta-actions .btn-primary{background:#fff;border-color:#fff;color:var(--c-primary-dark)!important}
.cta-actions .btn-primary:hover{background:var(--c-accent);border-color:var(--c-accent);color:#fff!important}

/* ---------- 页脚 ---------- */
.footer{margin-top:var(--sec-gap);background:#14161A;color:#9BA1A8;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 2fr 2fr 2fr;gap:40px}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px}
.footer p{font-size:14px;color:#9BA1A8;max-width:320px}
.footer h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin:0}
.footer-links a{display:inline-block;padding:5px 0;font-size:14px;color:#9BA1A8;line-height:1.9}
.footer-links a:hover{color:rgba(11,122,107,.85)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7C838A;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--c-line);color:var(--c-primary);font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:1030;
  box-shadow:var(--sh-card);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,background .2s ease,color .2s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .step-rail{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
  .step-node:nth-child(3)::before{display:none}
}
@media (max-width:991px){
  :root{--sec-gap:72px}
  body{padding-top:92px}
  .container{padding:0 24px}
  .nav-pill{padding:10px 12px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;position:absolute;top:calc(100% + 10px);left:0;right:0;flex-direction:column;align-items:stretch;
    gap:2px;padding:10px;background:rgba(255,255,255,.97);border:1px solid rgba(20,22,26,.06);
    border-radius:22px;box-shadow:var(--sh-lift);margin-left:0;
  }
  .nav-shell.open .nav-links{display:flex}
  .nav-links a{height:44px;display:flex;align-items:center;padding:0 16px;border-radius:12px;font-size:15px}
  .nav-links a::after{display:none}
  .nav-links a.active{background:rgba(11,122,107,.08)}
  .nav-cta{display:none}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{order:2}
  .num-item{grid-template-columns:84px 1fr;gap:20px;padding:26px 0}
  .tip-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec-gap:56px}
  body{font-size:15.5px;padding-top:88px}
  .container{padding:0 20px}
  .brand-text{font-size:14px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .stat-row{grid-template-columns:1fr;gap:12px}
  .step-rail{grid-template-columns:1fr 1fr;padding:20px}
  .step-node:nth-child(3)::before{display:block}
  .step-node:nth-child(even)::before{display:none}
  .num-list{padding:4px 20px}
  .num-item{grid-template-columns:1fr;gap:8px}
  .num-index{font-size:40px}
  .tip-card{padding:22px}
  .cta-inner{padding:34px 22px}
  .cta-actions .btn{width:100%}
  .footer{padding-top:52px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer p{max-width:none}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:520px){
  .step-rail{grid-template-columns:1fr}
  .step-node::before{display:none}
  h3{font-size:18px}
  .accordion-button{font-size:15px;padding:18px 52px 18px 18px}
}

/* roulang page: category3 */
:root{
  --bs-primary:#0B7A6B;
  --bs-primary-rgb:11,122,107;
  --bs-body-bg:#F5F6F4;
  --bs-body-color:#14161A;
  --bs-border-color:#E4E7E4;
  --bs-border-radius:14px;
  --bs-border-radius-lg:18px;
  --bs-border-radius-pill:999px;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  --brand:#0B7A6B;
  --brand-dark:#096A5D;
  --brand-soft:rgba(11,122,107,.12);
  --accent:#FF7A45;
  --ink:#14161A;
  --sub:#5A6068;
  --weak:#8A9099;
  --line:#E4E7E4;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#C7862F;
  --r-lg:18px;
  --r-md:14px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(20,22,26,.04),0 12px 32px -12px rgba(20,22,26,.10);
  --shadow-2:0 2px 4px rgba(20,22,26,.05),0 22px 44px -16px rgba(20,22,26,.16);
  --gutter:24px;
  --sec-y:96px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  background-image:linear-gradient(rgba(11,122,107,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(11,122,107,.028) 1px,transparent 1px);
  background-size:48px 48px;
  padding-top:104px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec-y) 0}
.section--tight{padding-top:0}

/* ---------- 导航 ---------- */
.nav-shell{
  position:fixed;top:16px;left:0;right:0;z-index:1030;
  display:flex;justify-content:center;padding:0 16px;
}
.nav-pill{
  position:relative;
  display:flex;align-items:center;gap:18px;
  width:100%;max-width:960px;
  padding:8px 10px 8px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(20,22,26,.06);
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.nav-shell.is-scrolled .nav-pill{
  background:rgba(255,255,255,.92);
  box-shadow:0 10px 30px -14px rgba(20,22,26,.24);
  border-color:rgba(20,22,26,.08);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:15px;letter-spacing:-.01em;flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;line-height:1;flex:0 0 auto;
}
.brand-text{white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 12px;
  border-radius:var(--r-pill);color:var(--sub);font-size:14px;white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;border-radius:2px;
  background:var(--brand);transition:left .2s ease,right .2s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{left:12px;right:12px}
.nav-links a.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.nav-links a.active::after{left:12px;right:12px}
.nav-cta{margin-left:8px}
.nav-toggle{
  display:none;width:42px;height:42px;margin-left:auto;border:1px solid var(--line);
  background:#fff;border-radius:50%;position:relative;cursor:pointer;
}
.nav-toggle i,.nav-toggle i::before,.nav-toggle i::after{
  position:absolute;left:50%;top:50%;content:"";background:var(--ink);border-radius:2px;
}
.nav-toggle i{width:16px;height:2px;transform:translate(-50%,-50%)}
.nav-toggle i::before{width:16px;height:2px;transform:translate(-50%,-8px)}
.nav-toggle i::after{width:16px;height:2px;transform:translate(-50%,6px)}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{
  background:var(--brand);border-color:var(--brand);color:#fff;
  --bs-btn-bg:var(--brand);--bs-btn-border-color:var(--brand);--bs-btn-hover-bg:var(--brand-dark);
  --bs-btn-hover-border-color:var(--brand-dark);--bs-btn-hover-color:#fff;--bs-btn-active-bg:var(--brand-dark);
  --bs-btn-active-border-color:var(--brand-dark);--bs-btn-color:#fff;--bs-btn-disabled-bg:var(--brand);
}
.btn-primary:hover,.btn-primary:focus{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  background:#fff;border-color:var(--line);color:var(--ink);
}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px}
.link-arrow span{transition:transform .2s ease}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 通用 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);padding:4px 12px;font-weight:600;
}
.sec-title{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.sec-title::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--brand);flex:0 0 auto}
.sec-title h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.25}
.sec-lead{color:var(--sub);max-width:720px;margin-bottom:36px}
.badge-soft{
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.08em;
  padding:4px 10px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);font-weight:600;
}
.badge-version{
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.04em;font-weight:700;
  padding:4px 10px;border-radius:var(--r-pill);background:rgba(255,122,69,.13);color:#B94E22;
}
.card-soft{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:28px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.card-soft:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(11,122,107,.3)}

/* ---------- 面包屑与页头 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);padding-top:28px}
.crumbs a{color:var(--sub)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:#C9CEC9}
.crumbs .now{color:var(--ink);font-weight:600}

.page-head{padding:28px 0 0}
.page-head-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;margin-top:20px}
.page-head h1{font-size:clamp(30px,4vw,46px);font-weight:700;line-height:1.15;margin-bottom:18px}
.page-head .lead{font-size:17px;color:var(--sub);max-width:620px;margin-bottom:26px}
.head-media{
  position:relative;border-radius:24px;overflow:hidden;aspect-ratio:4/3;
  border:1px solid var(--line);box-shadow:var(--shadow-1);background:#EDEFEC;
}
.head-media img{width:100%;height:100%;object-fit:cover}
.head-media::after{content:"";position:absolute;inset:0;background:rgba(11,122,107,.08)}
.head-stats{display:flex;flex-wrap:wrap;gap:28px;padding-top:22px;border-top:1px solid var(--line);margin-top:6px}
.head-stats .num{font-size:22px;font-weight:700;letter-spacing:.04em;display:block}
.head-stats .lbl{font-size:13px;color:var(--weak)}
.head-stats .num.accent{color:var(--accent)}

/* ---------- 筛选标签（仅视觉） ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.tag-pill{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--sub);font-size:14px;font-weight:500;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.tag-pill:hover{border-color:rgba(11,122,107,.35);color:var(--brand)}
.tag-pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

/* ---------- 版本矩阵 ---------- */
.version-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter)}
.version-card{display:flex;flex-direction:column;gap:16px}
.version-card .vc-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.version-card h3{font-size:20px;font-weight:600}
.version-card .platform{font-size:13px;color:var(--weak);display:flex;align-items:center;gap:6px}
.version-card .platform::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 auto}
.upd-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;border-top:1px solid var(--line);padding-top:16px}
.upd-list li{position:relative;padding-left:16px;font-size:14px;color:var(--sub);line-height:1.7}
.upd-list li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--brand);opacity:.85;
}
.version-card .vc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak)}

/* ---------- 对照行 ---------- */
.spec-list{display:grid;gap:12px;margin-top:8px}
.spec-head{
  display:grid;grid-template-columns:1.05fr 1fr 1.35fr .9fr 1.25fr;gap:16px;
  padding:0 24px 10px;font-size:12px;letter-spacing:.08em;color:var(--weak);text-transform:uppercase;
}
.spec-row{
  display:grid;grid-template-columns:1.05fr 1fr 1.35fr .9fr 1.25fr;gap:16px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 24px;transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.spec-row:hover{border-color:rgba(11,122,107,.3);box-shadow:var(--shadow-1);transform:translateY(-2px)}
.spec-row .cell{font-size:14px;color:var(--sub)}
.spec-row .cell strong{display:block;color:var(--ink);font-size:15px;font-weight:600}
.spec-row .cell .k{display:none;font-size:12px;color:var(--weak);letter-spacing:.08em}
.spec-row .cell .v-strong{font-weight:600;color:var(--ink)}

/* ---------- 检查要点 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gutter)}
.check-card .check-idx{
  font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand);margin-bottom:14px;display:block;
}
.check-card h3{font-size:19px;margin-bottom:10px}
.check-card p{font-size:15px;color:var(--sub)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:760px;margin:0 auto}
.accordion.faq-accordion{--bs-accordion-border-color:transparent;--bs-accordion-bg:transparent}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(11,122,107,.35);box-shadow:var(--shadow-1);
}
.faq-accordion .accordion-button{
  position:relative;background:#fff;color:var(--ink);font-size:16px;font-weight:600;
  padding:20px 52px 20px 20px;box-shadow:none;border-radius:var(--r-md);
}
.faq-accordion .accordion-button::after{
  content:"+";background-image:none;width:auto;height:auto;font-size:20px;font-weight:400;color:var(--brand);
  position:absolute;right:20px;top:50%;transform:translateY(-50%);transition:transform .24s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"−";transform:translateY(-50%) rotate(90deg)}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);background:#fff}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .24s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::before{opacity:1}
.faq-accordion .accordion-body{padding:0 20px 22px 20px;font-size:15px;color:var(--sub)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-radius:24px;padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:rgba(11,122,107,.35);filter:blur(30px);
}
.cta-band h3{color:#fff;font-size:24px;margin-bottom:8px;position:relative;z-index:1}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin:0;position:relative;z-index:1}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.cta-band .btn-outline{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.cta-band .btn-outline:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:#9DA3A8;margin-top:96px;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 2fr 2fr 2fr;gap:40px}
.footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer p{font-size:14px;color:#9DA3A8;line-height:1.9;margin-top:16px;max-width:320px}
.f-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px}
.f-brand .brand-mark{background:var(--brand)}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{line-height:2}
.footer-links a{color:#9DA3A8;font-size:14px;transition:color .2s ease}
.footer-links a:hover{color:rgba(11,122,107,.7);color:#6FC2B4}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7C8388;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--brand);color:#fff;border:none;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px -10px rgba(11,122,107,.8);cursor:pointer;
  opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .28s ease,transform .28s ease;z-index:1040;
}
.to-top.is-on{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--brand-dark)}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
  *{transition:none!important;animation:none!important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .version-grid{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .page-head-grid{gap:36px}
}
@media (max-width:991.98px){
  body{padding-top:92px}
  .container{padding:0 24px}
  :root{--sec-y:72px}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:2px;margin:0;
    background:#fff;border:1px solid var(--line);border-radius:20px;padding:12px;
    box-shadow:var(--shadow-2);
  }
  .nav-shell.is-open .nav-links{display:flex}
  .nav-links a{height:44px;border-radius:12px;justify-content:flex-start;padding:0 14px;font-size:15px}
  .nav-links a::after{display:none}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .page-head-grid{grid-template-columns:1fr}
  .head-media{aspect-ratio:16/9;order:2}
  .spec-head{display:none}
  .spec-row{grid-template-columns:1fr;gap:8px;padding:20px}
  .spec-row .cell{display:flex;justify-content:space-between;gap:12px;align-items:baseline}
  .spec-row .cell .k{display:block}
  .spec-row .cell strong{display:inline;font-size:14px}
  .cta-band{padding:36px 28px}
}
@media (max-width:767.98px){
  body{padding-top:88px;font-size:15px}
  .container{padding:0 20px}
  :root{--sec-y:56px;--gutter:16px}
  .brand-text{font-size:14px;max-width:150px;overflow:hidden;text-overflow:ellipsis}
  .page-head h1{font-size:clamp(26px,7vw,34px)}
  .version-grid,.check-grid{grid-template-columns:1fr}
  .card-soft{padding:20px}
  .head-stats{gap:18px}
  .footer{padding:56px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band h3{font-size:20px}
  .cta-band .cta-actions{width:100%}
  .cta-band .btn{width:100%}
  .to-top{right:16px;bottom:16px}
}

/* roulang page: category4 */
:root{
  --bs-primary:#0B7A6B;
  --bs-body-bg:#F5F6F4;
  --bs-body-color:#14161A;
  --bs-border-color:#E4E7E4;
  --bs-border-radius:14px;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  --brand:#0B7A6B;
  --brand-dark:#096156;
  --brand-soft:rgba(11,122,107,.10);
  --accent:#FF7A45;
  --ink:#14161A;
  --ink-2:#5A6068;
  --ink-3:#8A9099;
  --line:#E4E7E4;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#C7862F;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --sh-1:0 1px 2px rgba(20,22,26,.04),0 12px 32px -12px rgba(20,22,26,.10);
  --sh-2:0 2px 6px rgba(20,22,26,.06),0 20px 44px -16px rgba(20,22,26,.16);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:72px 0;}
.section-tight{padding:56px 0;}

/* ---------- 导航 ---------- */
.nav-shell{
  position:fixed;
  top:16px;
  left:0;right:0;
  z-index:1030;
  display:flex;
  justify-content:center;
  padding:0 20px;
  pointer-events:none;
}
.nav-pill{
  pointer-events:auto;
  width:100%;
  max-width:960px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 14px 10px 16px;
  border:1px solid rgba(20,22,26,.06);
  border-radius:999px;
  background:rgba(255,255,255,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  transition:background-color .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.nav-shell.is-scrolled .nav-pill{
  background:rgba(255,255,255,.94);
  box-shadow:0 10px 30px -14px rgba(20,22,26,.24);
  border-color:rgba(20,22,26,.08);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;
  border-radius:9px;
  background:var(--brand);
  color:#fff;
  font-size:14px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.brand-text{font-size:15px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14px;
  color:var(--ink-2);
  border-radius:999px;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  bottom:4px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  margin-left:auto;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  position:relative;
}
.nav-toggle i,
.nav-toggle i::before,
.nav-toggle i::after{
  position:absolute;
  left:50%;
  width:16px;height:1.6px;
  background:var(--ink);
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform .24s ease,opacity .24s ease;
  content:"";
}
.nav-toggle i{top:50%;margin-top:-.8px;}
.nav-toggle i::before{top:-5px;}
.nav-toggle i::after{top:5px;}
.nav-shell.is-open .nav-toggle i{background:transparent;}
.nav-shell.is-open .nav-toggle i::before{transform:translateX(-50%) rotate(45deg);top:0;}
.nav-shell.is-open .nav-toggle i::after{transform:translateX(-50%) rotate(-45deg);top:0;}
.nav-drawer{
  position:fixed;
  inset:0;
  z-index:1020;
  background:rgba(245,246,244,.98);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  padding:96px 24px 40px;
  display:flex;
  flex-direction:column;
  gap:4px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.nav-drawer a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  border-radius:12px;
  font-size:15px;
  color:var(--ink-2);
}
.nav-drawer a.active{color:var(--brand);background:var(--brand-soft);font-weight:600;}
.nav-drawer .drawer-cta{
  margin-top:14px;
  justify-content:center;
  background:var(--brand);
  color:#fff;
  font-weight:600;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:0;
  line-height:1;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:var(--brand);
  border-color:var(--brand);
  color:#fff;
  --bs-btn-bg:var(--brand);
  --bs-btn-border-color:var(--brand);
  --bs-btn-hover-bg:var(--brand-dark);
  --bs-btn-hover-border-color:var(--brand-dark);
  --bs-btn-color:#fff;
  --bs-btn-hover-color:#fff;
  --bs-btn-active-bg:var(--brand-dark);
  --bs-btn-active-border-color:var(--brand-dark);
}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  border-color:var(--line);
  color:var(--ink);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-size:14px;
  font-weight:600;
}
.btn-link-arrow span{transition:transform .2s ease;}
.btn-link-arrow:hover span{transform:translateX(3px);}

/* ---------- 面包屑 / 内页头 ---------- */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:20px;
}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9CEC9;}

.page-hero{
  position:relative;
  padding:140px 0 24px;
  background:linear-gradient(180deg,rgba(11,122,107,.07),rgba(11,122,107,0) 78%);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(20,22,26,.045) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.6;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
}
.tag-accent{background:rgba(255,122,69,.14);color:#C4531F;}
h1{
  margin-top:18px;
  font-size:clamp(30px,4.4vw,50px);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.16;
}
.lede{
  margin-top:16px;
  font-size:17px;
  color:var(--ink-2);
  max-width:34em;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.mini-stat{
  flex:1 1 140px;
  min-width:130px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:14px 16px;
  box-shadow:var(--sh-1);
}
.mini-stat strong{
  display:block;
  font-size:20px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--ink);
}
.mini-stat span{font-size:13px;color:var(--ink-3);}
.hero-figure{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--sh-1);}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  background:rgba(11,122,107,.08);
}

/* ---------- 通用区块标题 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-title{position:relative;padding-left:16px;}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:8px;
  width:4px;height:20px;
  border-radius:2px;
  background:var(--brand);
}
h2{
  font-size:clamp(24px,2.6vw,32px);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1.3;
}
.section-sub{margin-top:8px;font-size:14px;color:var(--ink-3);max-width:46em;}

/* ---------- 双栏问题排查 ---------- */
.d-layout{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:40px;
  align-items:start;
}
.side-nav{
  position:sticky;
  top:104px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 18px;
  box-shadow:var(--sh-1);
}
.side-nav h3{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--ink-3);margin-bottom:12px;padding-left:4px;}
.side-nav ol{display:flex;flex-direction:column;gap:2px;}
.side-nav button{
  display:flex;
  align-items:flex-start;
  gap:10px;
  width:100%;
  text-align:left;
  padding:10px 10px;
  background:transparent;
  border:0;
  border-radius:12px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.5;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease;
}
.side-nav button:hover{background:#F7F8F6;color:var(--ink);}
.side-nav button.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.side-nav .idx{
  flex:0 0 auto;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--ink-3);
  padding-top:2px;
}
.side-nav button.active .idx{color:var(--brand);}
.side-note{
  margin-top:18px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--ink-3);
  line-height:1.7;
}

.answer-list{display:flex;flex-direction:column;gap:20px;}
.answer-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  scroll-margin-top:120px;
}
.answer-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(11,122,107,.30);}
.answer-card.is-current{border-color:rgba(11,122,107,.45);}
.q-head{display:flex;align-items:flex-start;gap:14px;}
.q-num{
  flex:0 0 auto;
  padding:5px 11px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
}
.answer-card h3{
  font-size:20px;
  font-weight:600;
  line-height:1.45;
}
.q-meta{margin-top:6px;font-size:13px;color:var(--ink-3);display:flex;flex-wrap:wrap;gap:10px;}
.q-meta i{font-style:normal;color:#C9CEC9;}
.field{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);}
.field:first-of-type{border-top:0;padding-top:0;}
.field-label{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand);
  margin-bottom:6px;
}
.field-label.warn{color:var(--warn);}
.field p{color:var(--ink-2);}
ol.steps{margin-top:8px;counter-reset:s;}
ol.steps li{
  position:relative;
  padding-left:32px;
  margin-bottom:10px;
  color:var(--ink-2);
  font-size:15px;
}
ol.steps li:last-child{margin-bottom:0;}
ol.steps li::before{
  counter-increment:s;
  content:counter(s);
  position:absolute;
  left:0;top:4px;
  width:20px;height:20px;
  border-radius:6px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
}

/* ---------- 排查顺序 ---------- */
.order-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.order-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.order-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(11,122,107,.30);}
.order-card .big{
  font-size:26px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--accent);
  line-height:1;
}
.order-card h3{margin-top:14px;font-size:18px;font-weight:600;}
.order-card p{margin-top:8px;font-size:14px;color:var(--ink-2);}

/* ---------- 预防建议 ---------- */
.tips-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.tips-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.tip-card{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.tip-card:hover{transform:translateY(-3px);border-color:rgba(11,122,107,.30);box-shadow:var(--sh-1);}
.tip-ico{
  width:40px;height:40px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;
}
.tip-card h3{margin-top:16px;font-size:18px;font-weight:600;}
.tip-card p{margin-top:8px;font-size:14px;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-band{
  padding:64px 0;
  background:linear-gradient(180deg,rgba(11,122,107,.10),rgba(11,122,107,.04));
  border-top:1px solid rgba(11,122,107,.16);
}
.cta-box{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  padding:36px 40px;
  box-shadow:var(--sh-1);
}
.cta-box h2{font-size:clamp(22px,2.4vw,28px);}
.cta-box p{margin-top:10px;color:var(--ink-2);font-size:15px;max-width:44em;}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.footer{background:#14161A;color:#9AA0A6;padding:64px 0 28px;font-size:14px;}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 2fr 2fr 2fr;
  gap:36px;
}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px;}
.f-brand .brand-mark{background:#fff;color:#14161A;}
.footer p{line-height:1.9;color:#8F959B;max-width:30em;}
.footer h4{color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:14px;}
.footer-links li{line-height:2;}
.footer-links a{color:#9AA0A6;}
.footer-links a:hover{color:rgba(11,178,155,.85);}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:#7C8288;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  box-shadow:var(--sh-1);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
  z-index:1040;
  cursor:pointer;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .48s cubic-bezier(.22,.61,.36,1),transform .48s cubic-bezier(.22,.61,.36,1);}
.reveal.is-in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .d-layout{grid-template-columns:240px minmax(0,1fr);gap:28px;}
  .order-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .container{padding-left:24px;padding-right:24px;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:block;}
  .section{padding:56px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .page-hero{padding-top:124px;}
  .d-layout{grid-template-columns:1fr;gap:24px;}
  .side-nav{position:static;padding:18px 16px;}
  .side-nav ol{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px;}
  .side-nav ol li{flex:0 0 auto;}
  .side-nav button{white-space:nowrap;padding:8px 12px;border:1px solid var(--line);}
  .side-note{display:none;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .cta-box{flex-direction:column;align-items:flex-start;padding:28px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .tips-grid{grid-template-columns:1fr;}
  .order-grid{grid-template-columns:1fr;}
  .hero-meta{gap:10px;}
  .mini-stat{flex:1 1 100%;}
  .answer-card{padding:20px;border-radius:16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer{padding-top:48px;}
  h2{font-size:24px;}
}
@media (max-width:519px){
  .brand-text{font-size:14px;}
  h1{font-size:26px;}
  .lede{font-size:15px;}
  .btn{width:100%;}
  .nav-cta,.nav-toggle{width:auto;}
  .to-top{right:16px;bottom:16px;}
}