/* roulang page: index */
:root{
  --ink:#0D1917;
  --ink-2:#16241F;
  --lime:#C9F24E;
  --clay:#D0450F;
  --clay-hover:#AD380A;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --band:#ECEBE5;
  --line:#E2E1DB;
  --text:#121A18;
  --muted:#5A6663;
  --r-card:14px;
  --r-img:18px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(13,25,23,.05);
  --sh-2:0 16px 40px rgba(13,25,23,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;border-radius:12px;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--clay);}
button{font:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font:inherit;color:var(--text);}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.foundation-fix, body{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;}
input[type="text"],input[type="tel"],input[type="email"],input[type="search"],textarea{
  height:46px;width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  padding:12px 14px;font-size:15px;margin:0;box-shadow:none;transition:border-color .2s,box-shadow .2s;
}
textarea{height:auto;min-height:110px;line-height:1.7;}
input:focus,textarea:focus{border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,242,78,.5);outline:none;background:#fff;}
.foundation-fix::after{}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1025px){.container{padding-left:32px;padding-right:32px;}}
@media (min-width:1440px){:root{--container:1280px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(13,25,23,.06);}
.nav{display:flex;align-items:center;gap:18px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{width:24px;height:24px;border-radius:8px;background:var(--ink);display:grid;place-items:center;flex:none;}
.brand-mark svg{display:block;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.nav-channels{display:flex;align-items:center;gap:20px;margin-left:10px;}
.nav-channels a{
  position:relative;font-size:15px;color:var(--muted);padding:6px 0;white-space:nowrap;
}
.nav-channels a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);
  transition:width .24s var(--ease);
}
.nav-channels a:hover{color:var(--ink);}
.nav-channels a:hover::after{width:100%;}
.nav-channels a.is-active{color:var(--ink);font-weight:700;}
.nav-channels a.is-active::after{width:100%;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;width:196px;padding:0 14px;
  background:var(--band);border-radius:999px;transition:background .2s,box-shadow .2s;
}
.nav-search svg{flex:none;opacity:.6;}
.nav-search input{
  height:40px;border:0;background:transparent;padding:0;font-size:14px;border-radius:999px;
}
.nav-search input:focus{box-shadow:none;background:transparent;}
.nav-search:focus-within{background:#fff;box-shadow:0 0 0 2px var(--lime);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-drawer{
  display:none;position:fixed;top:60px;left:0;right:0;z-index:70;background:#fff;
  border-bottom:1px solid var(--line);padding:8px 0 20px;box-shadow:var(--sh-2);
  transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.nav-drawer.is-open{opacity:1;transform:none;pointer-events:auto;}
.nav-drawer a{display:block;padding:0 20px;line-height:52px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line);}
.nav-drawer a.is-active{font-weight:700;box-shadow:inset 3px 0 0 var(--lime);}
.nav-drawer .drawer-cta{margin:16px 20px 0;text-align:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  border:1.5px solid transparent;line-height:1.2;
}
.btn-primary{background:var(--clay);color:#fff;}
.btn-primary:hover{background:var(--clay-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(208,69,15,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.75);}
.btn-ghost-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--clay);
}
.link-arrow svg{transition:transform .24s var(--ease);}
.link-arrow:hover{color:var(--clay-hover);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 通用排版 ---------- */
.section{padding:56px 0;}
@media (min-width:641px){.section{padding:72px 0;}}
@media (min-width:1025px){.section{padding:96px 0;}}
.section--band{background:var(--band);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--muted);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:block;}
h1{font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.16;letter-spacing:-.02em;}
h2{font-size:clamp(24px,2.6vw,36px);font-weight:800;line-height:1.25;letter-spacing:-.02em;color:var(--ink);}
h3{font-size:20px;font-weight:700;line-height:1.4;letter-spacing:-.01em;color:var(--ink);}
.lead-text{font-size:17px;color:var(--muted);line-height:1.85;max-width:680px;}
.section-head{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;margin-bottom:36px;}
.section-head .head-text{max-width:720px;}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;}
.meta-13{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--muted);}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;display:flex;align-items:center;min-height:460px;background:var(--ink);}
@media (min-width:1025px){.hero{min-height:640px;}}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:right center;border-radius:0;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,25,23,.82) 0%,rgba(13,25,23,.58) 48%,rgba(13,25,23,.34) 100%);}
.hero-inner{position:relative;z-index:2;color:#fff;padding-top:64px;padding-bottom:56px;max-width:760px;}
@media (min-width:1025px){.hero-inner{padding-top:96px;padding-bottom:88px;}}
.hero h1{color:#fff;max-width:16em;}
.hero .hero-sub{margin-top:18px;font-size:17px;color:rgba(255,255,255,.82);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-metrics{
  display:grid;grid-template-columns:1fr;gap:22px;margin-top:44px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.16);max-width:640px;
}
@media (min-width:641px){.hero-metrics{grid-template-columns:repeat(3,1fr);}}
.hero-metric strong{display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.hero-metric span{font-size:13px;font-weight:600;letter-spacing:.06em;color:rgba(255,255,255,.7);}

/* ---------- 痛点提问 ---------- */
.pain-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1025px){.pain-grid{grid-template-columns:minmax(280px,1fr) 1.4fr;gap:64px;}}
.pain-list li{
  display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--line);
  font-size:17px;color:var(--text);
}
.pain-list li:first-child{padding-top:0;}
.pain-index{
  flex:none;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink);
  font-variant-numeric:tabular-nums;padding-top:4px;position:relative;
}
.pain-index::after{content:"";position:absolute;left:0;bottom:-6px;width:18px;height:2px;background:var(--lime);}

/* ---------- 方案卡片（非对称网格） ---------- */
.solution-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:641px){.solution-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1025px){.solution-grid{grid-template-columns:repeat(4,1fr);}}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(201,242,78,.85);}
.card-media{overflow:hidden;border-radius:12px;margin-bottom:20px;aspect-ratio:16/10;background:var(--band);}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:12px;transition:transform .32s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card h3{margin-bottom:10px;}
.card p{font-size:15px;color:var(--muted);line-height:1.8;}
.card .card-foot{margin-top:auto;padding-top:20px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:var(--band);color:var(--ink);font-size:13px;font-weight:600;letter-spacing:.04em;
}
.badge-lime{background:var(--lime);color:var(--ink);}
.solution-card--lg{grid-column:span 1;}
@media (min-width:641px){.solution-card--lg{grid-column:span 2;}}
@media (min-width:1025px){
  .solution-card--lg{grid-column:1 / span 2;grid-row:1 / span 2;}
  .solution-card--a{grid-column:3 / span 1;grid-row:1;}
  .solution-card--b{grid-column:4 / span 1;grid-row:1;}
  .solution-card--c{grid-column:3 / span 2;grid-row:2;}
}
.solution-card--lg h3{font-size:24px;}
.card-icon{
  width:38px;height:38px;border-radius:10px;background:var(--ink);display:grid;place-items:center;margin-bottom:18px;flex:none;
}
.card-icon svg{display:block;}

/* ---------- 数据通栏 ---------- */
.band-dark{background:var(--ink);color:#fff;padding:64px 0;}
@media (min-width:1025px){.band-dark{padding:88px 0;}}
.band-dark h2{color:#fff;}
.band-dark .band-note{color:rgba(255,255,255,.66);font-size:16px;margin-top:12px;max-width:640px;}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px 24px;margin-top:44px;}
@media (min-width:1025px){.stat-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.stat-num{
  font-size:clamp(34px,3.6vw,52px);font-weight:800;line-height:1;letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;color:#fff;
}
.stat-num small{font-size:.5em;font-weight:700;margin-left:4px;color:var(--lime);}
.stat-line{display:block;width:44px;height:3px;background:var(--lime);margin:18px 0 14px;}
.stat-label{font-size:13px;font-weight:600;letter-spacing:.06em;color:rgba(255,255,255,.66);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1025px){.news-grid{grid-template-columns:1.05fr 1fr;gap:56px;}}
.news-lead{display:flex;flex-direction:column;}
.news-lead .card-media{aspect-ratio:16/10;margin-bottom:22px;}
.news-lead h3{font-size:22px;margin:14px 0 12px;}
.news-lead h3 a:hover{color:var(--clay);}
.news-lead p{font-size:15px;color:var(--muted);line-height:1.8;}
.news-list{border-top:1px solid var(--line);}
.news-item{border-bottom:1px solid var(--line);}
.news-item a{
  display:flex;gap:16px;align-items:flex-start;justify-content:space-between;
  padding:20px 4px;transition:background .2s var(--ease),padding-left .2s var(--ease);
}
.news-item a:hover{background:rgba(236,235,229,.55);padding-left:12px;}
.news-item h3{font-size:17px;font-weight:700;margin-bottom:8px;line-height:1.5;}
.news-item .news-sub{font-size:14px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-time{flex:none;padding-top:4px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--muted);font-variant-numeric:tabular-nums;}
.news-item .badge{margin-top:10px;}
.news-empty{
  padding:48px 24px;text-align:center;background:var(--band);border-radius:var(--r-card);
  color:var(--muted);font-size:15px;
}
.news-empty svg{margin:0 auto 12px;display:block;opacity:.5;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1025px){.faq-wrap{grid-template-columns:minmax(260px,1fr) 1.6fr;gap:64px;}}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 2px;font-size:17px;font-weight:600;color:var(--ink);transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--clay);}
.faq-item summary::after{
  content:"";flex:none;width:9px;height:9px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);
  transform:rotate(45deg);transition:transform .2s var(--ease);margin-right:6px;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-body{padding:0 40px 24px 2px;font-size:15px;line-height:1.85;color:var(--muted);max-width:760px;}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:var(--ink);color:#fff;padding:56px 0;}
@media (min-width:1025px){.cta-band{padding:72px 0;}}
.cta-inner{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
@media (min-width:1025px){.cta-inner{grid-template-columns:1.6fr auto;gap:48px;}}
.cta-band h2{color:#fff;font-size:clamp(24px,2.4vw,32px);}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.72);font-size:16px;max-width:640px;}
.privacy-note{margin-top:20px;font-size:13px;letter-spacing:.02em;color:rgba(255,255,255,.6);}
.privacy-note a{color:var(--lime);border-bottom:1px solid rgba(201,242,78,.45);}
.privacy-note a:hover{color:#fff;border-bottom-color:#fff;}

/* ---------- 表单弹层 ---------- */
.reveal-overlay{
  position:fixed;inset:0;z-index:120;background:rgba(13,25,23,.55);
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;pointer-events:none;transition:opacity .2s var(--ease);
}
.reveal-overlay.is-open{opacity:1;pointer-events:auto;}
.reveal-panel{
  position:relative;width:100%;max-width:520px;background:#fff;border-radius:18px;padding:28px;
  box-shadow:0 24px 64px rgba(13,25,23,.28);transform:translateY(10px);
  transition:transform .2s var(--ease);max-height:92vh;overflow:auto;
}
.reveal-overlay.is-open .reveal-panel{transform:none;}
.reveal-panel h2{font-size:22px;}
.reveal-panel .form-note{margin:10px 0 20px;font-size:14px;color:var(--muted);line-height:1.75;}
.reveal-close{
  position:absolute;top:18px;right:18px;width:32px;height:32px;border-radius:50%;
  display:grid;place-items:center;color:var(--ink);transition:background .2s var(--ease);
}
.reveal-close:hover{background:var(--band);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink);}
.field .req{color:var(--clay);margin-left:4px;}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:16px 0 20px;}
.check-row input{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--clay);}
.check-row label{font-size:13px;line-height:1.7;color:var(--muted);}
.modal-foot{font-size:13px;color:var(--muted);margin-top:14px;text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.8);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media (min-width:641px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1025px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--ink-2);}
.footer-brand span{font-size:17px;font-weight:800;color:#fff;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:320px;}
.footer-title{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--lime);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:15px;color:rgba(255,255,255,.8);}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{font-size:15px;color:rgba(255,255,255,.8);margin-bottom:10px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  text-align:center;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 动效 ---------- */
.fade-up{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.fade-up.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .fade-up{opacity:1;transform:none;}
}

/* ---------- 响应式导航 ---------- */
@media (max-width:1024px){
  .nav-channels{display:none;}
  .nav-search{display:none;}
}
@media (max-width:900px){
  .nav{height:60px;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-right{margin-left:0;gap:10px;}
  .nav-drawer{display:block;}
  .nav-right .btn{display:none;}
  .hero-bg{object-position:center;}
  .hero-overlay{background:linear-gradient(180deg,rgba(13,25,23,.72) 0%,rgba(13,25,23,.5) 100%);}
}
@media (max-width:640px){
  h1{font-size:30px;}
  .hero-metrics{gap:16px;}
  .hero-metric strong{font-size:22px;}
  .card{padding:22px;}
  .faq-item summary{font-size:16px;}
  .news-lead h3{font-size:19px;}
}

/* roulang page: category1 */
:root{
  --ink:#0D1917;
  --ink-2:#16241F;
  --lime:#C9F24E;
  --clay:#D0450F;
  --clay-hover:#AD380A;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --soft:#ECEBE5;
  --line:#E2E1DB;
  --text:#121A18;
  --text-2:#5A6663;
  --r-card:14px;
  --r-img:18px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,25,23,.05);
  --sh-2:0 16px 40px rgba(13,25,23,.10);
  --sec:96px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--clay);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
}
/* 覆盖 Foundation 默认外观 */
a{color:var(--ink);}
a:hover,a:focus{color:var(--clay);}
button,.button{border-radius:var(--r-pill);}
button:focus,button:hover{outline:none;}
input[type="text"],input[type="search"],input[type="tel"],textarea{
  box-shadow:none;border-radius:var(--r-input);border:1px solid var(--line);height:46px;
}
input:focus,textarea:focus{border-color:var(--lime);box-shadow:0 0 0 2px var(--lime);}
.reveal{outline:none;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1025px){.container{padding:0 32px;}}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(13,25,23,.06);}
.nav{display:flex;align-items:center;gap:28px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:24px;height:24px;border-radius:8px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(201,242,78,.6);flex:0 0 auto;
}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.nav-channels{display:flex;align-items:center;gap:22px;flex:1 1 auto;}
.nav-channels a{
  position:relative;font-size:15px;font-weight:600;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-channels a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--lime);transition:width .24s var(--ease);
}
.nav-channels a:hover{color:var(--ink);}
.nav-channels a:hover::after{width:100%;}
.nav-channels a.is-active{color:var(--ink);font-weight:700;}
.nav-channels a.is-active::after{width:100%;}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:var(--soft);border-radius:var(--r-pill);border:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-search:focus-within{background:#fff;border-color:var(--lime);box-shadow:0 0 0 2px var(--lime);}
.nav-search input{
  border:none;background:transparent;height:38px;padding:0;width:150px;font-size:14px;
  box-shadow:none;
}
.nav-search input:focus{outline:none;border:none;box-shadow:none;}
.nav-search input::placeholder{color:var(--text-2);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;cursor:pointer;
  border:1.5px solid transparent;transition:all .28s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--clay);color:#fff;padding:14px 28px;font-size:16px;}
.btn-primary:hover{background:var(--clay-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(208,69,15,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);padding:13px 26px;font-size:16px;}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-outline-light{background:transparent;border:1.5px solid rgba(255,255,255,.8);color:#fff;padding:13px 26px;font-size:16px;}
.btn-outline-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);font-size:15px;}
.btn-text i{transition:transform .24s var(--ease);font-size:12px;}
.btn-text:hover{color:var(--clay);}
.btn-text:hover i{transform:translateX(3px);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;
  border-radius:10px;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;top:50%;width:18px;height:2px;background:var(--ink);
  transform:translate(-50%,-50%);transition:.25s var(--ease);
}
.nav-toggle span::before,.nav-toggle span::after{content:"";left:0;top:0;transform:translateY(-6px);}
.nav-toggle span::after{transform:translateY(6px);}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg);}
.nav-drawer{
  display:none;background:#fff;border-top:1px solid var(--line);
  padding:8px 20px 20px;
}
.nav-drawer a{
  display:block;line-height:52px;border-bottom:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--text-2);
}
.nav-drawer a.is-active{color:var(--ink);font-weight:800;}
.nav-drawer .drawer-cta{margin-top:16px;}
@media (max-width:1024px){
  .nav-channels{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:block;}
  .nav{height:60px;justify-content:space-between;}
  .nav-drawer.is-open{display:block;}
}
@media (max-width:640px){
  .nav-right .btn-primary{display:none;}
}

/* ---------- Hero（紧凑页头 260px） ---------- */
.page-hero{
  position:relative;min-height:260px;display:flex;align-items:flex-end;
  background-image:linear-gradient(90deg,rgba(13,25,23,.82) 0%,rgba(13,25,23,.46) 62%,rgba(13,25,23,.30) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:70% center;
  color:#fff;
}
.page-hero .container{padding-top:52px;padding-bottom:44px;}
.crumb{font-size:13px;letter-spacing:.06em;font-weight:600;color:rgba(255,255,255,.7);margin-bottom:16px;}
.crumb a{color:rgba(255,255,255,.7);}
.crumb a:hover{color:var(--lime);}
.crumb span.sep{margin:0 8px;opacity:.6;}
.page-hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,44px);max-width:20em;
}
.page-hero .hero-sub{
  margin-top:14px;font-size:16px;color:rgba(255,255,255,.82);max-width:640px;
}
.hero-meta{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:10px;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.04em;
  background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22);
}
.chip-lime{background:var(--lime);color:var(--ink);border-color:var(--lime);}

/* ---------- 主布局：左目录 + 右内容 ---------- */
main{display:block;}
.section{padding:var(--sec) 0;}
.section-sm{padding:64px 0;}
.layout{
  display:grid;grid-template-columns:240px minmax(0,1fr);gap:56px;align-items:start;
}
.toc{position:sticky;top:96px;align-self:start;}
.toc-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--text-2);
  text-transform:none;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.toc ol{list-style:none;margin:0;padding:0;}
.toc li{border-bottom:1px solid var(--line);}
.toc a{
  display:flex;gap:12px;align-items:baseline;padding:13px 0;
  font-size:14px;font-weight:600;color:var(--text-2);line-height:1.5;
}
.toc a .num{font-size:13px;font-weight:700;color:var(--text-2);letter-spacing:.04em;flex:0 0 auto;}
.toc a:hover{color:var(--ink);}
.toc a.is-current{color:var(--ink);}
.toc a.is-current .num{color:var(--clay);}
.toc-side{
  margin-top:28px;padding:20px;background:var(--soft);border-radius:14px;
}
.toc-side p{font-size:13px;color:var(--text-2);line-height:1.75;}
.toc-side .btn{margin-top:14px;padding:11px 20px;font-size:14px;}

.doc-block{padding-bottom:52px;border-bottom:1px solid var(--line);margin-bottom:52px;}
.doc-block:last-of-type{border-bottom:none;margin-bottom:0;padding-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--text-2);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--lime);border-radius:2px;}
.doc-block h2{font-size:clamp(22px,2.4vw,32px);margin-bottom:16px;}
.doc-block > p{font-size:17px;line-height:1.85;color:var(--text);max-width:46em;margin-bottom:22px;}
.point-list{display:grid;gap:14px;}
.point-list li{
  display:grid;grid-template-columns:26px minmax(0,1fr);gap:14px;
  font-size:16px;line-height:1.8;
}
.point-list li .dot{
  margin-top:11px;width:14px;height:2px;background:var(--lime);border-radius:2px;
}
.point-list li b{color:var(--ink);font-weight:700;}
.notice{
  margin-top:24px;display:grid;grid-template-columns:3px minmax(0,1fr);gap:16px;
  background:var(--soft);border-radius:12px;padding:18px 20px;
}
.notice .bar{background:var(--lime);border-radius:3px;}
.notice p{font-size:15px;line-height:1.85;color:var(--text-2);}

/* 异常对照行 */
.cmp-table{margin-top:8px;border-top:1px solid var(--line);}
.cmp-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);
  gap:24px;padding:20px 0;border-bottom:1px solid var(--line);
}
.cmp-row .k{font-size:16px;font-weight:700;color:var(--ink);}
.cmp-row .v{font-size:15px;color:var(--text-2);line-height:1.85;}
@media (max-width:640px){
  .cmp-row{grid-template-columns:1fr;gap:8px;}
}

/* 图片位 */
.figure{border-radius:var(--r-img);overflow:hidden;position:relative;background:var(--soft);}
.figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .32s var(--ease);}
.figure:hover img{transform:scale(1.04);}

/* 卡片网格 */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(201,242,78,.85);}
.card .tag{
  align-self:flex-start;font-size:13px;font-weight:600;letter-spacing:.04em;
  background:var(--soft);color:var(--ink);border-radius:var(--r-pill);padding:4px 12px;
}
.card h3{font-size:19px;line-height:1.45;}
.card p{font-size:15px;color:var(--text-2);line-height:1.8;}
.card .btn-text{margin-top:auto;}
@media (max-width:1024px){.cards{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:640px){.cards{grid-template-columns:1fr;}}

/* FAQ */
.faq-wrap{background:var(--soft);}
.faq-list{border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{font-size:13px;color:var(--text-2);transition:transform .2s var(--ease);}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--clay);}
.faq-item .answer{padding:0 4px 24px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:52em;}

/* CTA 卡 */
.cta-card{
  background:var(--ink);color:#fff;border-radius:18px;padding:44px 40px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.9fr);
  gap:32px;align-items:center;
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.4vw,30px);}
.cta-card p{color:rgba(255,255,255,.75);font-size:15px;margin-top:14px;line-height:1.85;}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start;}
.privacy-note{font-size:13px;color:var(--text-2);margin-top:16px;}
.privacy-note a{text-decoration:underline;text-underline-offset:3px;}
@media (max-width:768px){
  .cta-card{grid-template-columns:1fr;padding:32px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* 弹层 */
.lead-modal{
  border:none;border-radius:18px;max-width:520px;padding:28px;background:#fff;
  box-shadow:0 24px 64px rgba(13,25,23,.28);
}
.lead-modal h3{font-size:21px;margin-bottom:8px;}
.lead-modal .modal-sub{font-size:14px;color:var(--text-2);margin-bottom:22px;line-height:1.8;}
.lead-modal label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--ink);}
.lead-modal .field{margin-bottom:16px;}
.lead-modal input[type="text"],.lead-modal input[type="tel"]{width:100%;padding:12px 14px;height:46px;}
.lead-modal .check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-2);line-height:1.7;margin:6px 0 20px;}
.lead-modal .check input{margin-top:4px;flex:0 0 auto;}
.lead-modal .close-button{
  position:absolute;top:14px;right:14px;font-size:20px;color:var(--text-2);line-height:1;
  background:none;border:none;cursor:pointer;padding:6px;
}
.lead-modal .close-button:hover{color:var(--clay);}
.reveal-overlay{background:rgba(13,25,23,.55);}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.8);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.65);}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--lime);margin-bottom:18px;}
.footer-links li,.footer-contact li{margin-bottom:12px;font-size:15px;}
.footer-links a{color:rgba(255,255,255,.8);}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{color:rgba(255,255,255,.72);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  text-align:center;font-size:13px;color:rgba(255,255,255,.6);
}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:56px 0 24px;}
}

/* 响应式：主布局 */
@media (max-width:1024px){
  :root{--sec:72px;}
  .layout{grid-template-columns:1fr;gap:32px;}
  .toc{position:static;}
  .toc ol{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;}
}
@media (max-width:640px){
  :root{--sec:56px;}
  .page-hero{min-height:220px;}
  body{font-size:16px;}
  .toc ol{grid-template-columns:1fr;}
  .doc-block{padding-bottom:36px;margin-bottom:36px;}
}

/* 动效 */
.fade-up{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.fade-up.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .fade-up{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --ink:#0D1917;
  --ink-2:#16241F;
  --lime:#C9F24E;
  --orange:#D0450F;
  --orange-dark:#AD380A;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --band:#ECEBE5;
  --line:#E2E1DB;
  --text:#121A18;
  --muted:#5A6663;
  --r-card:14px;
  --r-lg:18px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(13,25,23,.05);
  --sh-2:0 16px 40px rgba(13,25,23,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --cw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 18px;z-index:9999;border-radius:0 0 10px 0;}
.skip-link:focus{left:0;}

/* Foundation 默认外观覆盖 */
body,button,input,select,textarea{font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;}
a{color:var(--text);}
a:hover,a:focus{color:var(--ink);}
.button,.button.primary,.button.secondary{background:var(--orange);color:#fff;border-radius:999px;font-weight:700;}
.button:hover{background:var(--orange-dark);}
input[type="text"],input[type="search"],input[type="tel"],input[type="email"],textarea{
  border-radius:var(--r-input);border:1px solid var(--line);box-shadow:none;height:46px;
}
input:focus,textarea:focus{border:2px solid var(--lime);background:#fff;box-shadow:none;outline:none;}
.accordion{border:0;background:transparent;}
.accordion-item{border:0;}
.accordion-title{border:0;background:transparent;}
.accordion-title::before{display:none;}

.container{
  width:100%;max-width:var(--cw);margin:0 auto;padding:0 20px;
}
@media (min-width:1025px){ .container{padding:0 32px;} }
@media (min-width:1440px){ :root{--cw:1280px;} }

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:800;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(13,25,23,.06);}
.nav{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:26px;height:26px;border-radius:8px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 1px rgba(201,242,78,.6);
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;}
.nav-channels{display:flex;align-items:center;gap:22px;margin-left:8px;flex:1 1 auto;}
.nav-channels a{
  position:relative;font-size:14.5px;font-weight:600;color:var(--muted);padding:6px 0;white-space:nowrap;
  transition:color .24s var(--ease);
}
.nav-channels a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-channels a:hover{color:var(--ink);}
.nav-channels a:hover::after{transform:scaleX(1);}
.nav-channels a.is-active{color:var(--ink);}
.nav-channels a.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;background:var(--band);
  border-radius:999px;border:1px solid transparent;transition:background-color .24s,border-color .24s;
}
.nav-search input{
  border:0;background:transparent;height:auto;padding:0;width:132px;font-size:14px;color:var(--text);
  border-radius:0;
}
.nav-search input:focus{border:0;background:transparent;outline:none;}
.nav-search:focus-within{background:#fff;border:2px solid var(--lime);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:11px;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:17px;height:2px;background:var(--ink);position:relative;transition:background .2s;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:17px;height:2px;background:var(--ink);transition:transform .25s var(--ease);
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-5px) rotate(-45deg);}
.nav-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:10px 20px 20px;
}
.nav-drawer a{
  display:block;line-height:52px;font-size:15px;font-weight:600;color:var(--muted);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.is-active{color:var(--ink);}
.drawer-cta{margin-top:16px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;padding:14px 28px;border-radius:999px;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .24s var(--ease),background-color .24s var(--ease),color .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{background:var(--orange);color:#fff;border-color:var(--orange);}
.btn-primary:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(208,69,15,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px;box-shadow:0 0 0 4px rgba(201,242,78,.55);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--ink);
}
.text-link span{transition:transform .24s var(--ease);}
.text-link:hover span{transform:translateX(3px);}
.text-link:hover{color:var(--orange);}

/* 面包屑 */
.crumb-bar{border-bottom:1px solid var(--line);background:transparent;}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:16px 0;font-size:13px;color:var(--muted);letter-spacing:.02em;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-underline-offset:3px;}
.crumb .sep{color:#B9BCB4;}
.crumb .current{color:var(--ink);font-weight:600;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 文章头部 */
.article-head{padding:40px 0 24px;max-width:880px;}
.badge-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--band);color:var(--ink);font-size:13px;font-weight:700;letter-spacing:.04em;
}
.badge-lime{background:var(--lime);color:var(--ink);}
.article-head h1{
  font-size:clamp(28px,3.8vw,42px);line-height:1.28;font-weight:800;letter-spacing:-.02em;
  color:var(--ink);margin:16px 0 18px;
}
.article-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding-bottom:18px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--muted);letter-spacing:.06em;font-weight:600;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C4C8C0;}

/* 封面 */
.article-cover{margin:28px 0 0;border-radius:var(--r-lg);overflow:hidden;background:var(--band);}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* 正文布局 */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:56px;align-items:start;
  padding:44px 0 8px;
}
.article-body{max-width:760px;min-width:0;}
.prose{color:var(--text);}
.prose>*:first-child{margin-top:0;}
.prose p{font-size:17px;line-height:1.9;margin:0 0 1.4em;color:var(--text);}
.prose h2{
  font-size:clamp(22px,2.3vw,28px);line-height:1.4;font-weight:800;letter-spacing:-.015em;
  color:var(--ink);margin:2em 0 .7em;
}
.prose h2::before{
  content:"";display:block;width:34px;height:3px;border-radius:2px;background:var(--lime);margin-bottom:14px;
}
.prose h3{font-size:20px;line-height:1.5;font-weight:700;color:var(--ink);margin:1.7em 0 .6em;}
.prose ul,.prose ol{padding-left:1.5em;margin:0 0 1.4em;}
.prose ul li{list-style:disc;margin:0 0 .6em;font-size:16.5px;line-height:1.85;}
.prose ol li{list-style:decimal;margin:0 0 .6em;font-size:16.5px;line-height:1.85;}
.prose li::marker{color:var(--orange);font-weight:700;}
.prose blockquote{
  border-left:3px solid var(--lime);background:var(--band);border-radius:0 12px 12px 0;
  padding:18px 22px;margin:0 0 1.5em;font-size:16.5px;line-height:1.85;font-style:normal;color:var(--ink-2);
}
.prose img{border-radius:12px;margin:0 auto;}
.prose figure{margin:0 0 1.6em;}
.prose figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px;letter-spacing:.02em;}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:15.5px;}
.prose thead th{background:var(--ink);color:#fff;text-align:left;padding:12px 14px;font-weight:700;font-size:14px;}
.prose tbody td{border-bottom:1px solid var(--line);padding:12px 14px;}
.prose tbody tr:last-child td{border-bottom:0;}
.prose a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px;}
.prose a:hover{color:var(--orange);text-decoration-color:var(--orange);}
.prose strong{font-weight:700;color:var(--ink);}

/* 空态 */
.empty-state{
  background:var(--band);border-radius:var(--r-card);padding:56px 28px;text-align:center;
}
.empty-state h2{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15.5px;margin-bottom:22px;}

/* 目录 */
.article-aside{position:sticky;top:88px;}
.toc{border-left:1px solid var(--line);padding-left:18px;}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--ink);margin-bottom:14px;}
.toc-list li{margin-bottom:10px;}
.toc-list a{
  display:block;font-size:13.5px;line-height:1.6;color:var(--muted);padding-left:10px;
  border-left:2px solid transparent;margin-left:-20px;padding-left:18px;transition:color .2s,border-color .2s;
}
.toc-list a:hover{color:var(--ink);}
.toc-list a.is-current{color:var(--ink);font-weight:700;border-left-color:var(--lime);}
.toc-list .toc-sub a{font-size:13px;padding-left:32px;}
.toc-note{font-size:12.5px;line-height:1.7;color:#8A938F;margin-top:18px;}

/* 相关推荐 */
.related{padding:72px 0 0;border-top:1px solid var(--line);margin-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-.02em;color:var(--ink);}
.rel-card{
  display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(201,242,78,.85);}
.rel-thumb{overflow:hidden;background:var(--band);}
.rel-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .32s var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.rel-body h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--ink);margin:12px 0 10px;}
.rel-body p{font-size:14.5px;line-height:1.75;color:var(--muted);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-body .text-link{margin-top:auto;font-size:14px;}
.rel-time{font-size:13px;color:var(--muted);letter-spacing:.06em;font-weight:600;margin-top:14px;}

/* 返回 */
.back-row{padding:40px 0 0;}

/* 底部 CTA */
.cta-band{background:var(--ink);margin-top:72px;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:44px 0;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;color:#fff;letter-spacing:-.01em;margin-bottom:8px;}
.cta-inner p{font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.7;margin:0;}

/* 页脚 */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:34em;}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--lime);margin-bottom:16px;}
.footer-links li,.footer-contact li{margin-bottom:11px;}
.footer-links a,.footer-contact li{font-size:15px;color:rgba(255,255,255,.8);transition:color .2s;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);
  text-align:center;font-size:13px;color:rgba(255,255,255,.6);
}

/* 弹层 */
.lead-modal{
  position:fixed;inset:0;z-index:1200;display:none;align-items:center;justify-content:center;padding:20px;
}
.lead-modal.is-open{display:flex;}
.lead-overlay{position:absolute;inset:0;background:rgba(13,25,23,.55);animation:fadeIn .2s var(--ease);}
.lead-panel{
  position:relative;width:100%;max-width:520px;background:#fff;border-radius:18px;padding:28px;
  box-shadow:0 24px 60px rgba(13,25,23,.28);animation:riseIn .2s var(--ease);
}
.lead-panel h3{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.lead-panel .lead-sub{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field label .req{color:var(--orange);}
.field input{width:100%;height:46px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-input);font-size:15px;background:#fff;color:var(--text);}
.field input:focus{border:2px solid var(--lime);outline:none;}
.field.has-error input{border:1px solid var(--orange);}
.field .err{display:none;font-size:13px;color:var(--orange);margin-top:6px;}
.field.has-error .err{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px;}
.check-row input{margin-top:4px;accent-color:var(--orange);}
.check-row span{font-size:13.5px;line-height:1.7;color:var(--muted);}
.lead-close{
  position:absolute;top:18px;right:18px;width:32px;height:32px;border:0;background:transparent;cursor:pointer;
  color:var(--ink);font-size:20px;line-height:1;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;
}
.lead-close:hover{background:var(--band);}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes riseIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* 动效 */
.reveal-up{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal-up.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal-up{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

@media (max-width:1024px){
  .nav-channels,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-right .btn-sm{display:none;}
  .nav-drawer.is-open{display:block;}
  .nav{height:60px;}
  .article-layout{grid-template-columns:1fr;gap:0;padding-top:32px;}
  .article-aside{position:static;order:-1;margin-bottom:32px;}
  .toc{border-left:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;}
  .toc-list{display:flex;flex-wrap:wrap;gap:10px;}
  .toc-list a{margin-left:0;padding-left:14px;border-left:0;border:1px solid var(--line);border-radius:999px;padding:6px 14px;background:#fff;}
  .toc-list a.is-current{border-color:var(--lime);background:rgba(201,242,78,.18);}
  .toc-list .toc-sub{display:none;}
  .toc-note{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .related{padding-top:56px;margin-top:48px;}
}
@media (max-width:640px){
  .brand-name{font-size:16px;}
  .article-head{padding:28px 0 20px;}
  .article-cover{margin-top:20px;border-radius:12px;}
  .article-cover img{aspect-ratio:4/3;}
  .cta-inner{padding:36px 0;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .related-grid>[class*="cell"]{margin-bottom:20px;}
  .crumb{font-size:12.5px;}
}

/* roulang page: category2 */
:root{
  --ink:#0D1917;
  --ink-2:#16241F;
  --lime:#C9F24E;
  --orange:#D0450F;
  --orange-d:#AD380A;
  --paper:#F6F5F1;
  --card:#FFFFFF;
  --band:#ECEBE5;
  --line:#E2E1DB;
  --text:#121A18;
  --muted:#5A6663;
  --r-card:14px;
  --r-img:18px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(13,25,23,.05);
  --shadow-2:0 16px 40px rgba(13,25,23,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;background-color:transparent}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.02em;color:var(--ink);line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
@media(min-width:1440px){.container{max-width:1280px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(13,25,23,.06)}
.nav{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;border-radius:8px;background:var(--ink);
  border:1px solid rgba(201,242,78,.45);flex:0 0 24px;
}
.brand-name{font-weight:800;font-size:17px;letter-spacing:-0.01em;color:var(--ink);white-space:nowrap}
.nav-channels{
  display:flex;align-items:center;gap:14px;flex:1 1 auto;min-width:0;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-channels::-webkit-scrollbar{display:none}
.nav-channels a{
  position:relative;white-space:nowrap;font-size:14px;font-weight:600;
  color:var(--muted);padding:6px 0;transition:color .2s var(--ease);
}
.nav-channels a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--lime);transition:width .24s var(--ease);
}
.nav-channels a:hover{color:var(--ink)}
.nav-channels a:hover::after{width:100%}
.nav-channels a.is-active{color:var(--ink)}
.nav-channels a.is-active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.nav-search{
  display:none;align-items:center;gap:8px;background:var(--band);
  border:1px solid transparent;border-radius:999px;height:40px;padding:0 14px;
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search input{
  border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);
  width:100%;height:100%;padding:0;font-family:inherit;
}
.nav-search input::placeholder{color:var(--muted)}
.nav-search:focus-within{background:#fff;border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,242,78,.7)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;position:relative;cursor:pointer;margin-left:4px;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);width:18px;height:2px;
  background:var(--ink);border-radius:2px;content:"";transition:.24s var(--ease);
}
.nav-toggle span{top:20px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:translateX(-50%) rotate(-45deg)}
.nav-drawer{
  display:none;background:#fff;border-top:1px solid var(--line);
  padding:8px 20px 20px;
}
.nav-drawer.is-open{display:block}
.nav-drawer a{
  display:block;line-height:52px;font-size:15px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.is-active{color:var(--ink)}
.nav-drawer a.is-active::before{
  content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--lime);margin-right:8px;vertical-align:middle;
}
.drawer-cta{margin-top:18px}
@media(min-width:1280px){
  .nav-search{display:flex;width:180px}
}
@media(max-width:1024px){
  .nav-channels{display:none}
  .nav-toggle{display:block}
  .nav{height:60px}
  .site-header .nav-right .btn-sm{display:none}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 28px;font-size:15px;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;line-height:1.2;
  transition:transform .32s var(--ease),background-color .24s var(--ease),
             color .24s var(--ease),border-color .24s var(--ease),box-shadow .32s var(--ease);
}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-d);transform:translateY(-2px);box-shadow:0 10px 24px rgba(208,69,15,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.75)}
.btn-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.btn-primary:focus-visible,.btn-ghost:focus-visible,.btn-outline:focus-visible{
  outline:2px solid #fff;box-shadow:0 0 0 4px var(--ink);
}

/* ============ 首屏 ============ */
.hero{position:relative;overflow:hidden;display:flex;align-items:center;min-height:560px}
.hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.webp);background-size:cover;background-position:right center}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,25,23,.84) 0%,rgba(13,25,23,.58) 52%,rgba(13,25,23,.34) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;padding:88px 0 64px;color:#fff}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.08em;color:var(--lime);margin-bottom:18px;
}
.hero-eyebrow::before{content:"";width:26px;height:1px;background:var(--lime);display:inline-block}
.hero h1{
  color:#fff;font-size:clamp(30px,4.6vw,54px);max-width:16em;
  font-weight:800;letter-spacing:-0.02em;
}
.hero-sub{margin-top:18px;font-size:17px;color:rgba(255,255,255,.86);max-width:32em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:36px;margin-top:48px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.18);max-width:640px;
}
.hero-metrics .m-num{
  font-size:28px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-0.01em;
}
.hero-metrics .m-label{font-size:13px;letter-spacing:.06em;font-weight:600;color:rgba(255,255,255,.7)}
@media(max-width:640px){
  .hero{min-height:460px}
  .hero-inner{padding:64px 0 52px}
  .hero-metrics{gap:24px;margin-top:36px}
  .hero-actions .btn{flex:1 1 100%}
}

/* ============ 板块 ============ */
.section{padding:56px 0}
@media(min-width:641px){.section{padding:72px 0}}
@media(min-width:1025px){.section{padding:96px 0}}
.section-alt{background:var(--band)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(24px,2.6vw,36px)}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px}
.eyebrow-num{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--ink);background:var(--lime);border-radius:999px;padding:3px 12px;margin-bottom:14px;
}
.badge{
  display:inline-block;background:var(--band);color:var(--ink);font-size:13px;
  font-weight:600;letter-spacing:.06em;padding:4px 12px;border-radius:999px;
}
.badge-lime{background:var(--lime);color:var(--ink)}

/* ============ 交替图文 ============ */
.split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
.split + .split{margin-top:48px;padding-top:48px;border-top:1px solid var(--line)}
.split-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  background:var(--band);box-shadow:var(--shadow-1);
}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .32s var(--ease)}
.split-media:hover img{transform:scale(1.04)}
.split-body h3{font-size:21px;margin-bottom:12px}
.split-body .split-text{color:var(--muted);font-size:16.5px}
.point-list{margin-top:20px;display:grid;gap:12px}
.point-list li{
  position:relative;padding-left:24px;font-size:15.5px;color:var(--text);
  border-bottom:1px solid var(--line);padding-bottom:12px;
}
.point-list li:last-child{border-bottom:0;padding-bottom:0}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:12px;height:2px;background:var(--lime);
}
.split-index{
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--muted);margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
@media(min-width:1025px){
  .split{grid-template-columns:47% 47%;justify-content:space-between;gap:6%}
  .split .split-media{margin-left:-20px}
  .split.is-reverse .split-media{order:2;margin-left:0;margin-right:-20px}
  .split + .split{margin-top:72px;padding-top:72px}
}

/* ============ 自查参数行 ============ */
.spec-wrap{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:1025px){.spec-wrap{grid-template-columns:1fr 1fr;gap:56px}}
.spec-col h3{font-size:19px;margin-bottom:8px}
.spec-col .spec-note{font-size:14px;color:var(--muted);margin-bottom:18px}
.spec-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  padding:15px 0;border-bottom:1px solid var(--line);
}
.spec-row .k{font-size:15px;font-weight:600;color:var(--ink)}
.spec-row .v{font-size:15px;color:var(--muted);text-align:right}
.spec-row:first-of-type{border-top:1px solid var(--line)}

/* ============ FAQ ============ */
.faq-list{max-width:920px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:22px 0;font-size:17.5px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .2s var(--ease),background-color .2s var(--ease);
}
.faq-item summary:hover .faq-icon{background:var(--lime);border-color:var(--lime)}
.faq-item[open] summary .faq-icon{transform:rotate(180deg);background:var(--lime);border-color:var(--lime)}
.faq-body{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--muted);max-width:800px}
.faq-more{margin-top:28px;font-size:15px}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);
  border-bottom:1px solid transparent;transition:border-color .24s var(--ease),color .24s var(--ease);
}
.text-link .arrow{transition:transform .24s var(--ease)}
.text-link:hover{border-bottom-color:var(--ink)}
.text-link:hover .arrow{transform:translateX(3px)}

/* ============ 深色 CTA 条 ============ */
.cta-band{background:var(--ink);color:#fff;padding:64px 0}
.cta-band-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,32px);max-width:20em}
.cta-band .cta-desc{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72)}
.privacy-line{margin-top:22px;font-size:13px;color:rgba(255,255,255,.6)}
.privacy-line a{color:var(--lime);text-decoration:underline}
@media(max-width:640px){.cta-band{padding:52px 0}.cta-band .btn{width:100%}}

/* ============ 表单弹层 ============ */
.lead-modal{display:none;position:fixed;inset:0;z-index:200;align-items:center;justify-content:center;padding:20px}
.lead-modal.is-open{display:flex}
.lead-mask{position:absolute;inset:0;background:rgba(13,25,23,.55)}
.lead-panel{
  position:relative;background:#fff;border-radius:18px;width:100%;max-width:520px;
  padding:28px;box-shadow:var(--shadow-2);animation:leadIn .2s var(--ease);
  max-height:92vh;overflow-y:auto;
}
@keyframes leadIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.lead-panel h3{font-size:21px}
.lead-sub{margin-top:8px;font-size:14px;color:var(--muted)}
.lead-close{
  position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;
  transition:background-color .2s var(--ease)
}
.lead-close:hover{background:var(--band)}
.lead-form{margin-top:22px;display:grid;gap:14px}
.lead-form label{font-size:14px;font-weight:600;color:var(--ink)}
.lead-form input[type="text"],.lead-form input[type="tel"]{
  height:46px;border-radius:var(--r-input);border:1px solid var(--line);
  padding:12px 14px;font-size:15px;font-family:inherit;color:var(--ink);
  background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.lead-form input[type="text"]:focus,.lead-form input[type="tel"]:focus{
  outline:none;border:2px solid var(--lime);box-shadow:0 0 0 3px rgba(201,242,78,.35);
}
.lead-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);font-weight:500}
.lead-check input{margin-top:3px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.8);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#fff;margin-bottom:14px}
.site-footer p{font-size:15px;color:rgba(255,255,255,.7);line-height:1.8;max-width:34em}
.footer-title{color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:16px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:15px;color:rgba(255,255,255,.8);transition:color .2s var(--ease)}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact{display:grid;gap:10px;font-size:15px;color:rgba(255,255,255,.72)}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  text-align:center;font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink:#0D1917;
  --ink-2:#16241F;
  --lime:#C9F24E;
  --orange:#D0450F;
  --orange-dark:#AD380A;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --soft:#ECEBE5;
  --line:#E2E1DB;
  --text:#121A18;
  --muted:#5A6663;
  --r-card:14px;
  --r-lg:18px;
  --r-img:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(13,25,23,.05);
  --shadow-2:0 16px 40px rgba(13,25,23,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::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:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--orange)}
button{font-family:inherit;font-size:inherit}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.015em;line-height:1.28;color:var(--ink)}
h2{font-size:clamp(24px,2.6vw,36px)}
h3{font-size:20px;font-weight:700;letter-spacing:-.01em}
:focus{outline:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
::selection{background:var(--lime);color:var(--ink)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1025px){.container{padding:0 32px}}
@media(min-width:1440px){.container{max-width:1280px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(13,25,23,.06)}

.nav{display:flex;align-items:center;gap:20px;height:68px}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:24px;height:24px;border-radius:8px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(201,242,78,.55);
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}

.nav-channels{display:none}
.nav-channels a{
  position:relative;font-size:15px;color:#3C4946;padding:6px 0;white-space:nowrap;
}
.nav-channels a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--lime);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav-channels a:hover{color:var(--ink)}
.nav-channels a:hover::after{transform:scaleX(1)}
.nav-channels a.is-active{color:var(--ink);font-weight:700}
.nav-channels a.is-active::after{transform:scaleX(1)}

.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}

.nav-search{
  display:none;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:var(--soft);border:1px solid transparent;border-radius:999px;
  transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{background:#fff;border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,242,78,.45)}
.nav-search input{
  width:140px;height:100%;border:0;background:transparent;font-size:14px;color:var(--ink);
  font-family:inherit;padding:0;
}
.nav-search input:focus{box-shadow:none;background:transparent}

.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--ink)}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}

@media(min-width:641px){.nav-search{display:flex}}
@media(min-width:1180px){
  .nav-channels{display:flex;align-items:center;gap:22px;flex:1;margin-left:6px}
  .nav-toggle{display:none}
  .nav-drawer{display:none !important}
}

.nav-drawer{
  display:none;background:#fff;border-top:1px solid var(--line);
  padding:6px 20px 20px;
}
.nav-drawer.is-open{display:block}
.nav-drawer a{
  display:block;padding:15px 4px 15px 12px;border-bottom:1px solid var(--line);
  font-size:16px;color:var(--ink);
}
.nav-drawer a.is-active{font-weight:800;border-left:2px solid var(--lime)}
.drawer-cta{margin-top:18px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1.5px solid transparent;
  padding:14px 28px;font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .24s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .24s var(--ease);
}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(208,69,15,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-primary:focus-visible{outline:2px solid #fff;box-shadow:0 0 0 4px var(--ink)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--ink);
}
.link-arrow svg{transition:transform .24s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}

.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--orange);
}
.text-link:hover{color:var(--orange-dark)}

/* ---------- sections ---------- */
main{display:block}
.section{padding:56px 0}
@media(min-width:641px){.section{padding:72px 0}}
@media(min-width:1025px){.section{padding:96px 0}}
.section-soft{background:var(--soft)}
section[id]{scroll-margin-top:88px}

.section-head{max-width:720px;margin-bottom:36px}
.section-head p{color:var(--muted);font-size:16.5px;margin:14px 0 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--muted);text-transform:none;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:block}

/* ---------- hero ---------- */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;display:flex;align-items:center}
.page-hero .hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:72% 50%;opacity:.6;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(13,25,23,.94) 0%,rgba(13,25,23,.78) 46%,rgba(13,25,23,.34) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:60px;padding-bottom:60px}
@media(min-width:1025px){.page-hero .container{padding-top:84px;padding-bottom:84px}}

.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--lime);
  border:1px solid rgba(201,242,78,.45);border-radius:999px;padding:6px 14px;
}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4vw,50px);margin:22px 0 0;letter-spacing:-.02em;line-height:1.16;
}
.page-hero h1 .h1-brand{
  display:block;font-size:clamp(15px,1.5vw,19px);font-weight:700;letter-spacing:.02em;
  color:var(--lime);margin-bottom:12px;
}
.hero-sub{color:rgba(255,255,255,.82);font-size:17px;margin:18px 0 0;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

.hero-metrics{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
  margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);max-width:660px;
}
.hero-metrics .m-num{
  display:block;font-size:34px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2;
}
.hero-metrics .m-label{display:block;font-size:13px;letter-spacing:.06em;font-weight:600;color:rgba(255,255,255,.62);margin-top:6px}
@media(max-width:520px){
  .hero-metrics{grid-template-columns:1fr;gap:14px}
  .hero-metrics .m-num{font-size:26px}
}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:641px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1025px){.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(201,242,78,.85)}
.card-media{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:var(--soft);margin-bottom:18px;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card h3{margin:14px 0 10px}
.card p{color:var(--muted);font-size:15.5px;line-height:1.8;margin:0 0 8px}
.card .link-arrow{margin-top:auto;padding-top:18px}

.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  padding:5px 12px;border-radius:999px;background:var(--soft);color:var(--ink);
}
.badge-lime{background:var(--lime);color:var(--ink)}

/* ---------- prepare list ---------- */
.prep-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:1025px){.prep-grid{grid-template-columns:.85fr 1.15fr;gap:64px}}
.prep-left p{color:var(--muted);font-size:16px;margin:16px 0 0}

.check-list li{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.check-list li:first-child{border-top:1px solid var(--line)}
.check-list .idx{
  flex:0 0 auto;font-size:14px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;padding-top:3px;
}
.check-list .idx::after{
  content:"";display:block;width:14px;height:2px;background:var(--lime);margin-top:8px;
}
.check-list .txt{font-size:16px;color:var(--text);line-height:1.8}
.check-list .txt strong{font-weight:700;display:block;margin-bottom:2px}
.check-list .txt span{color:var(--muted);font-size:15px}

/* ---------- flow timeline ---------- */
.flow-track{position:relative;display:grid;grid-template-columns:1fr;gap:0}
.flow-node{
  position:relative;display:flex;gap:16px;
  padding:20px 0 20px 20px;border-left:1px solid var(--line);
}
.flow-node:last-child{padding-bottom:4px}
.flow-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;
  border:1.5px solid var(--lime);background:#fff;color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;
  position:relative;z-index:1;transition:background .24s var(--ease),border-color .24s var(--ease);
}
.flow-node:hover .flow-num{background:var(--lime)}
.flow-body h3{font-size:19px;margin-bottom:6px}
.flow-body p{color:var(--muted);font-size:15px;line-height:1.8;margin:0}

@media(min-width:1025px){
  .flow-track{grid-template-columns:repeat(5,minmax(0,1fr));gap:24px}
  .flow-track::before{
    content:"";position:absolute;left:22px;right:22px;top:19px;height:1px;background:var(--line);
  }
  .flow-node{display:block;padding:0;border-left:0}
  .flow-num{margin-bottom:18px}
  .flow-body{padding-right:8px}
}

.flow-cta{
  margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-1);
  display:grid;gap:20px;
}
@media(min-width:1025px){
  .flow-cta{grid-template-columns:1fr auto;align-items:center;padding:34px 40px;}
}
.flow-cta h3{margin-bottom:8px}
.flow-cta p{color:var(--muted);font-size:15.5px;margin:0}

/* ---------- faq ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:0;padding:22px 46px 22px 0;text-align:left;
  font-size:17.5px;font-weight:600;color:var(--ink);cursor:pointer;position:relative;line-height:1.6;
}
.faq-q::after{
  content:"";position:absolute;right:10px;top:31px;width:9px;height:9px;
  border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);
  transform:rotate(45deg);transition:transform .2s var(--ease);
}
.faq-item.is-open .faq-q::after{transform:rotate(-135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a p{color:var(--muted);font-size:15.5px;line-height:1.85;margin:0 0 22px;max-width:780px}
.faq-foot{margin-top:26px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.faq-foot span{font-size:14px;color:var(--muted)}

/* ---------- cta card ---------- */
.cta-card{
  background:var(--ink);color:#fff;border-radius:var(--r-lg);
  padding:34px 28px;display:grid;gap:24px;box-shadow:none;
}
@media(min-width:1025px){.cta-card{grid-template-columns:1fr auto;align-items:center;padding:48px 52px}}
.cta-card h2{color:#fff;font-size:clamp(22px,2.3vw,30px)}
.cta-card p{color:rgba(255,255,255,.74);font-size:15.5px;margin:12px 0 0;max-width:620px}
.cta-card .cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.privacy-note{
  grid-column:1/-1;font-size:13px;color:rgba(255,255,255,.55);
  border-top:1px solid rgba(255,255,255,.12);padding-top:18px;margin:0;
}
.privacy-note a{color:rgba(255,255,255,.8);text-decoration:underline}
.privacy-note a:hover{color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:40px}
@media(min-width:641px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1025px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:48px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px}
.site-footer p{color:rgba(255,255,255,.66);font-size:15px;line-height:1.85;margin:0;max-width:340px}
.footer-title{
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--lime);margin-bottom:16px;
}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.8);font-size:15px}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-contact li{color:rgba(255,255,255,.8);font-size:15px;margin-bottom:10px;line-height:1.75}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  text-align:center;font-size:13px;color:rgba(255,255,255,.6);
  padding:20px 0 26px;
}

/* ---------- reveal modal ---------- */
.reveal-overlay{background:rgba(13,25,23,.55)}
.reveal{
  max-width:520px;width:calc(100% - 32px);
  background:#fff;border:0;border-radius:18px;padding:28px;
  box-shadow:0 24px 60px rgba(13,25,23,.28);
}
.reveal h3{font-size:21px;margin-bottom:8px}
.reveal .modal-sub{font-size:14.5px;color:var(--muted);margin-bottom:22px}
.reveal .close-button{
  position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:18px;line-height:1;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.reveal .close-button:hover{border-color:var(--ink)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field .req{color:var(--orange)}
.field input,.field select,.field textarea{
  width:100%;height:46px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:12px 14px;font-size:15px;font-family:inherit;color:var(--text);background:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:92px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,242,78,.45);background:#fff;
}
.field input::placeholder,.field textarea::placeholder{color:#9AA5A2}
.checkbox{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.7;margin:18px 0}
.checkbox input{margin-top:3px;flex:0 0 auto;accent-color:var(--orange)}
.modal-foot{font-size:13px;color:var(--muted);margin:10px 0 0;text-align:center}

/* ---------- motion ---------- */
.fade-up{opacity:0;transform:translateY(16px)}
.fade-up.is-in{
  opacity:1;transform:none;
  transition:opacity .42s var(--ease),transform .42s var(--ease);
}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .fade-up{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --ink:#0D1917;
  --ink-2:#16241F;
  --lime:#C9F24E;
  --cta:#D0450F;
  --cta-hover:#AD380A;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --alt:#ECEBE5;
  --line:#E2E1DB;
  --text:#121A18;
  --muted:#5A6663;
  --radius-card:14px;
  --radius-media:12px;
  --radius-hero:18px;
  --radius-input:10px;
  --shadow-rest:0 1px 2px rgba(13,25,23,.05);
  --shadow-hover:0 16px 40px rgba(13,25,23,.10);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.82;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:800;color:var(--ink);letter-spacing:-0.015em;line-height:1.24;}
h1{font-size:clamp(30px,4.6vw,54px);}
h2{font-size:clamp(24px,2.6vw,36px);}
h3{font-size:20px;}
p{color:var(--muted);}
::selection{background:var(--lime);color:var(--ink);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1025px){
  .container{padding:0 32px;}
}
@media (min-width:1440px){
  .container{max-width:1280px;}
}

/* Foundation 覆盖 */
.grid-padding-x{margin-left:-0.75rem;margin-right:-0.75rem;}
.grid-padding-x>.cell{padding-left:0.75rem;padding-right:0.75rem;}
.grid-margin-y{margin-top:-0.75rem;margin-bottom:-0.75rem;}
.grid-margin-y>.cell{margin-top:0.75rem;margin-bottom:0.75rem;}
button,.button{border-radius:999px;}
input[type="text"],input[type="tel"],input[type="search"],input[type="email"],textarea,select{
  box-shadow:none;border-radius:var(--radius-input);
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  font-size:16px;
  font-weight:700;
  line-height:1;
  border-radius:999px;
  border:1.5px solid transparent;
  background:transparent;
  cursor:pointer;
  transition:transform .28s cubic-bezier(.2,.7,.2,1),background-color .24s ease,color .24s ease,border-color .24s ease,box-shadow .24s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--cta);color:#fff;box-shadow:0 1px 2px rgba(13,25,23,.06);}
.btn-primary:hover{background:var(--cta-hover);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(208,69,15,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px);}
.btn-outline{border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:11px 20px;font-size:14.5px;}
.btn-block{width:100%;}
.btn:focus-visible{outline:2px solid #fff;outline-offset:2px;box-shadow:0 0 0 4px var(--ink);}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--ink);
  position:relative;padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);
  transition:width .24s ease;
}
.text-link:hover{color:var(--cta);}
.text-link:hover::after{width:100%;}
.text-link .arrow{transition:transform .24s ease;}
.text-link:hover .arrow{transform:translateX(3px);}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease;
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(13,25,23,.06);}
.nav{
  display:flex;align-items:center;gap:24px;
  height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:24px;height:24px;border-radius:8px;
  background:var(--ink);
  border:1px solid rgba(201,242,78,.6);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-0.01em;}
.nav-channels{
  display:flex;align-items:center;gap:22px;
  margin-left:8px;flex:1 1 auto;
  overflow:hidden;
}
.nav-channels a{
  font-size:15px;font-weight:600;color:var(--muted);
  white-space:nowrap;position:relative;padding:22px 0;
}
.nav-channels a::after{
  content:"";position:absolute;left:0;bottom:14px;height:2px;width:0;background:var(--lime);
  transition:width .24s ease;
}
.nav-channels a:hover{color:var(--ink);}
.nav-channels a:hover::after{width:100%;}
.nav-channels a.is-active{color:var(--ink);font-weight:800;}
.nav-channels a.is-active::after{width:100%;}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  background:var(--alt);border-radius:999px;
  border:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search input{
  border:0;background:transparent;height:38px;padding:0;
  font-size:14.5px;color:var(--ink);width:132px;box-shadow:none;
}
.nav-search input::placeholder{color:#8B9592;}
.nav-search input:focus{outline:none;box-shadow:none;}
.nav-search:focus-within{background:#fff;border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,242,78,.55);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;transform:translateX(-50%);
  width:18px;height:2px;background:var(--ink);content:"";transition:.24s ease;
}
.nav-toggle span{top:20px;}
.nav-toggle span::before{top:-6px;left:0;transform:none;}
.nav-toggle span::after{top:6px;left:0;transform:none;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg);}
.nav-drawer{display:none;}

@media (max-width:1024px){
  .nav-channels{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:block;}
  .nav{justify-content:space-between;}
  .nav-drawer{
    display:block;
    position:fixed;left:0;right:0;top:0;bottom:0;
    background:#fff;z-index:70;
    padding:88px 24px 110px;
    transform:translateY(-8px);
    opacity:0;visibility:hidden;
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
    overflow-y:auto;
  }
  .nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-drawer a{
    display:block;height:52px;line-height:52px;
    font-size:16.5px;font-weight:600;color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .nav-drawer a.is-active{color:var(--cta);font-weight:800;}
  .drawer-cta{position:fixed;left:24px;right:24px;bottom:22px;z-index:80;}
}

/* Hero */
.page-hero{
  position:relative;
  min-height:400px;
  display:flex;align-items:center;
  color:#fff;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center right;
  background-repeat:no-repeat;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(13,25,23,.86) 0%,rgba(13,25,23,.66) 46%,rgba(13,25,23,.30) 100%);
}
.hero-inner{position:relative;z-index:2;padding:72px 0 64px;width:100%;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--lime);text-transform:none;margin-bottom:18px;
}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--lime);display:inline-block;}
.page-hero h1{color:#fff;max-width:16em;margin-bottom:16px;}
.hero-sub{
  color:rgba(255,255,255,.82);font-size:17px;max-width:38em;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:40px;
  margin-top:48px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.18);
}
.hero-metric{min-width:130px;}
.hero-metric b{
  display:block;font-size:30px;font-weight:800;color:#fff;line-height:1.1;letter-spacing:-0.02em;
}
.hero-metric span{
  display:block;margin-top:8px;font-size:13px;font-weight:600;letter-spacing:.06em;color:rgba(255,255,255,.68);
}

/* 板块 */
.section{padding:64px 0;}
@media (min-width:641px){.section{padding:72px 0;}}
@media (min-width:1025px){.section{padding:96px 0;}}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .kicker{
  display:block;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--cta);margin-bottom:12px;
}
.section-head p{margin-top:14px;font-size:16.5px;}
.section-alt{background:var(--alt);}
.section-line{border-top:1px solid var(--line);}

/* 数据区（深色） */
.stats-strip{
  background:var(--ink);color:#fff;padding:56px 0;
}
.stats-strip .grid-margin-y>.cell{display:flex;}
.stat{width:100%;}
.stat-num{
  font-size:clamp(38px,5vw,58px);font-weight:800;line-height:1;color:#fff;letter-spacing:-0.02em;
}
.stat-line{width:34px;height:3px;background:var(--lime);margin:16px 0 14px;}
.stat-label{font-size:13px;font-weight:600;letter-spacing:.06em;color:rgba(255,255,255,.66);}
.stat-text{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72);line-height:1.75;}

/* 场景卡 */
.scene-grid{margin-top:-0.75rem;}
.scene-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-rest);
  transition:transform .32s cubic-bezier(.2,.7,.2,1),box-shadow .32s ease,border-color .32s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(201,242,78,.85);}
.scene-num{
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--ink);
  background:var(--lime);border-radius:999px;padding:5px 12px;display:inline-block;margin-bottom:16px;
}
.scene-card h3{margin-bottom:10px;}
.scene-card p{font-size:15.5px;line-height:1.8;}

/* 模块卡片 */
.module-grid{margin-top:-1.5rem;}
.module-grid>.cell{margin-top:1.5rem;display:flex;}
.card{
  display:flex;flex-direction:column;width:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-rest);
  transition:transform .32s cubic-bezier(.2,.7,.2,1),box-shadow .32s ease,border-color .32s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(201,242,78,.85);}
.card-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;border-radius:var(--radius-media);
  margin:14px 14px 0;background:var(--alt);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s cubic-bezier(.2,.7,.2,1);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.badge{
  align-self:flex-start;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  background:var(--alt);color:var(--ink);
  border-radius:999px;padding:5px 12px;margin-bottom:14px;
}
.card h3{font-size:19px;line-height:1.42;margin-bottom:10px;}
.card p{font-size:15px;line-height:1.78;margin-bottom:18px;}
.card-foot{margin-top:auto;}

/* 参数行对照 */
.spec-col{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:8px 26px 18px;height:100%;
}
.spec-title{
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--cta);
  padding:20px 0 14px;border-bottom:1px solid var(--line);
}
.spec-row{
  display:flex;justify-content:space-between;align-items:baseline;gap:20px;
  padding:15px 0;border-bottom:1px solid var(--line);
}
.spec-row:last-child{border-bottom:1px solid var(--line);}
.spec-label{font-size:15px;font-weight:600;color:var(--ink);flex-shrink:0;}
.spec-value{font-size:14.5px;color:var(--muted);text-align:right;}

/* 流程 */
.flow-grid{margin-top:-1.25rem;}
.flow-step{
  height:100%;position:relative;padding:24px 22px 22px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  transition:transform .32s cubic-bezier(.2,.7,.2,1),box-shadow .32s ease,border-color .32s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(201,242,78,.85);}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:999px;
  border:1.5px solid var(--lime);color:var(--ink);
  font-size:15px;font-weight:800;letter-spacing:.02em;margin-bottom:16px;
}
.flow-step h3{font-size:18.5px;margin-bottom:10px;}
.flow-step p{font-size:15px;}

/* FAQ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;text-align:left;
  padding:22px 0;font-size:17.5px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--cta);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:999px;
  border:1px solid var(--line);position:relative;
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.6px;}
.faq-icon::after{width:1.6px;height:11px;transition:opacity .2s ease;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 60px 24px 0;font-size:15px;line-height:1.85;color:var(--muted);
}
.faq-more{margin-top:22px;}

/* CTA 条 */
.cta-band{
  background:var(--ink);color:#fff;padding:64px 0;
}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{color:#fff;max-width:22em;}
.cta-band p{color:rgba(255,255,255,.72);margin-top:12px;max-width:34em;font-size:15.5px;}
.privacy-note{
  margin-top:18px;font-size:13px;color:rgba(255,255,255,.56);letter-spacing:.02em;
}
.privacy-note a{color:var(--lime);text-decoration:underline;}

/* 页脚 */
.site-footer{background:var(--ink);color:#fff;padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px;
}
.site-footer p{color:rgba(255,255,255,.68);font-size:15px;line-height:1.8;max-width:32em;}
.footer-title{
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--lime);margin-bottom:16px;
}
.footer-links li,.footer-contact li{margin-bottom:11px;font-size:15px;color:rgba(255,255,255,.8);}
.footer-links a{color:rgba(255,255,255,.8);}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.6);
}

/* 弹层 */
.lead-modal{
  position:fixed;inset:0;z-index:120;
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s;
}
.lead-modal.is-open{opacity:1;visibility:visible;}
.lead-modal-mask{position:absolute;inset:0;background:rgba(13,25,23,.55);}
.lead-modal-panel{
  position:relative;z-index:2;width:100%;max-width:520px;
  background:#fff;border-radius:18px;padding:28px;
  transform:translateY(12px);
  transition:transform .2s ease;
  max-height:92vh;overflow-y:auto;
}
.lead-modal.is-open .lead-modal-panel{transform:translateY(0);}
.lead-modal-panel h3{margin-bottom:8px;font-size:22px;}
.lead-modal-sub{font-size:14.5px;color:var(--muted);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;height:46px;padding:12px 14px;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-input);
  background:#fff;color:var(--text);font-family:inherit;
}
.field textarea{height:auto;min-height:96px;resize:vertical;}
.field input:focus,.field textarea:focus{
  outline:none;border:2px solid var(--lime);padding:11px 13px;
}
.field .req{color:var(--cta);margin-left:2px;}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px;}
.check-row input{margin-top:5px;width:16px;height:16px;accent-color:var(--cta);}
.check-row label{font-size:13px;color:var(--muted);line-height:1.7;font-weight:400;}
.lead-modal-close{
  position:absolute;top:16px;right:16px;width:34px;height:34px;
  border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.lead-modal-close:hover{background:var(--alt);}
.form-msg{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;
  background:rgba(201,242,78,.28);color:var(--ink);font-size:14px;
}
.form-msg.is-show{display:block;}

/* 动效 */
.reveal{opacity:0;transform:translateY(16px);}
.reveal.is-visible{
  opacity:1;transform:translateY(0);
  transition:opacity .42s cubic-bezier(.2,.7,.2,1),transform .42s cubic-bezier(.2,.7,.2,1);
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* 响应式 */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .spec-col{margin-bottom:24px;}
}
@media (max-width:640px){
  body{font-size:16px;}
  .nav{height:60px;}
  .brand-name{font-size:16px;}
  .page-hero{min-height:460px;}
  .hero-inner{padding:56px 0 52px;}
  .hero-metrics{gap:26px;margin-top:36px;}
  .hero-metric b{font-size:26px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .card-media{margin:12px 12px 0;}
  .card-body{padding:18px 18px 22px;}
  .spec-col{padding:6px 20px 14px;}
  .spec-row{flex-direction:column;align-items:flex-start;gap:6px;}
  .spec-value{text-align:left;}
  .faq-q{font-size:16.5px;padding:18px 0;}
  .faq-a p{padding-right:0;}
  .cta-band{padding:52px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .stats-strip{padding:48px 0;}
}

/* roulang page: category5 */
:root{
  --ink:#0D1917;
  --ink-2:#16241F;
  --lime:#C9F24E;
  --action:#D0450F;
  --action-dark:#AD380A;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --block:#ECEBE5;
  --line:#E2E1DB;
  --text:#121A18;
  --muted:#5A6663;
  --r-card:14px;
  --r-lg:18px;
  --r-input:10px;
  --shadow:0 1px 2px rgba(13,25,23,.05);
  --shadow-hover:0 16px 40px rgba(13,25,23,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.82;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;background:transparent;}
a:hover{color:var(--ink);}
button,input,textarea,select{font-family:inherit;font-size:100%;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{cursor:pointer;}

h1,h2,h3,h4{color:var(--ink);letter-spacing:-.015em;line-height:1.25;font-weight:800;}
h1{font-size:clamp(30px,4.6vw,54px);letter-spacing:-.02em;}
h2{font-size:clamp(24px,2.6vw,36px);}
h3{font-size:20px;font-weight:700;}
p{color:var(--text);}

::selection{background:var(--lime);color:var(--ink);}

:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media screen and (min-width:1025px){
  .container{padding-left:32px;padding-right:32px;}
}
@media screen and (min-width:1440px){
  .container{max-width:1280px;}
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 12px rgba(13,25,23,.06);}

.nav{
  display:flex;
  align-items:center;
  gap:22px;
  height:68px;
}
@media screen and (max-width:640px){
  .nav{height:60px;gap:14px;}
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  color:var(--ink);
  white-space:nowrap;
}
.brand-mark{
  width:24px;height:24px;
  border-radius:8px;
  background:var(--ink);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  box-shadow:inset 0 0 0 1px rgba(201,242,78,.5);
}
.brand-name{font-weight:800;}

.nav-channels{
  display:none;
  align-items:center;
  gap:20px;
  margin-left:14px;
}
.nav-channels a{
  position:relative;
  font-size:14.5px;
  color:var(--muted);
  padding:8px 0;
  transition:color .2s var(--ease);
  white-space:nowrap;
}
.nav-channels a:hover{color:var(--ink);}
.nav-channels a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-channels a:hover::after{transform:scaleX(1);}
.nav-channels a.is-active{color:var(--ink);font-weight:700;}
.nav-channels a.is-active::after{transform:scaleX(1);}

.nav-right{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}

.nav-search{
  display:none;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  border-radius:999px;
  background:var(--block);
  border:1px solid transparent;
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search input{
  border:0;
  background:transparent;
  outline:none;
  width:132px;
  font-size:14px;
  color:var(--ink);
  height:100%;
}
.nav-search input::placeholder{color:var(--muted);}
.nav-search:focus-within{
  background:#fff;
  box-shadow:0 0 0 2px var(--lime);
}

.nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:40px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:16px;height:2px;
  background:var(--ink);
  position:relative;
  border-radius:2px;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;height:2px;
  background:var(--ink);
  border-radius:2px;
}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

.nav-drawer{
  display:none;
  background:#fff;
  border-top:1px solid var(--line);
  padding:8px 20px 20px;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;
  line-height:52px;
  font-size:15px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.nav-drawer a.is-active{color:var(--ink);font-weight:700;box-shadow:inset 2px 0 0 var(--lime);padding-left:10px;}
.drawer-cta{margin-top:16px;}

@media screen and (min-width:1025px){
  .nav-channels{display:flex;}
  .nav-search{display:flex;}
  .nav-toggle{display:none;}
  .nav-drawer{display:none !important;}
}
@media screen and (min-width:641px) and (max-width:1024px){
  .nav-channels{display:none;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:0;
  border-radius:999px;
  padding:14px 28px;
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  text-align:center;
}
.btn-primary{
  background:var(--action);
  color:#FFFFFF;
  box-shadow:0 1px 2px rgba(13,25,23,.05);
}
.btn-primary:hover{
  background:var(--action-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(208,69,15,.28);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(13,25,23,.05);}
.btn-primary:focus-visible{outline:2px solid #fff;box-shadow:0 0 0 4px var(--ink);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1.5px solid var(--ink);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.72);
}
.btn-ghost-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--ink);
}
.link-arrow .arw{transition:transform .2s var(--ease);}
.link-arrow:hover .arw{transform:translateX(3px);}

/* ---------- page head ---------- */
.page-head{
  background:var(--card);
  border-bottom:1px solid var(--line);
  padding:56px 0 48px;
}
@media screen and (min-width:1025px){
  .page-head{padding:76px 0 60px;}
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--muted);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:26px;height:2px;
  background:var(--lime);
  border-radius:2px;
}
.page-head h1{
  margin:18px 0 0;
  max-width:920px;
}
.lede{
  margin-top:16px;
  max-width:640px;
  font-size:17px;
  color:var(--muted);
  line-height:1.8;
}
.help-search{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:32px;
  max-width:620px;
}
.help-search input{
  flex:1 1 260px;
  height:48px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:#fff;
  padding:12px 16px;
  font-size:15px;
  color:var(--ink);
  outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.help-search input::placeholder{color:var(--muted);}
.help-search input:focus{
  border-color:var(--lime);
  box-shadow:0 0 0 2px var(--lime);
  background:#fff;
}
.pill-group{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:34px;
  padding:0 16px;
  border-radius:999px;
  background:var(--block);
  color:var(--ink);
  font-size:13.5px;
  font-weight:600;
  border:1px solid transparent;
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.pill:hover{background:#fff;border-color:var(--line);}
.pill-lime{background:var(--lime);}
.pill-lime:hover{background:var(--lime);}

/* ---------- sections ---------- */
.section{padding:56px 0;}
@media screen and (min-width:641px){.section{padding:72px 0;}}
@media screen and (min-width:1025px){.section{padding:96px 0;}}

.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{margin-top:16px;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16.5px;}
.section-head.center{max-width:760px;margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .eyebrow{justify-content:center;}

/* ---------- quick help cards ---------- */
.card-grid{margin-top:6px;}
.qcard{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.qcard:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(201,242,78,.85);
}
.qcard-figure{
  border-radius:12px;
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--block);
  margin-bottom:18px;
}
.qcard-figure img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .32s var(--ease);
}
.qcard:hover .qcard-figure img{transform:scale(1.04);}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:var(--block);
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  align-self:flex-start;
}
.qcard h3{margin:12px 0 8px;font-size:19px;line-height:1.45;}
.qcard p{color:var(--muted);font-size:15px;line-height:1.75;}
.qcard-foot{margin-top:auto;padding-top:18px;}

/* ---------- faq ---------- */
.faq-blocks{gap:0;}
.faq-group{margin-bottom:40px;}
.faq-group-title{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--muted);
  margin-bottom:6px;
}
.faq-group-title .num{
  font-variant-numeric:tabular-nums;
  color:var(--ink);
  font-weight:800;
  letter-spacing:0;
}
.faq-group-title::after{
  content:"";
  flex:1;
  height:1px;
  background:var(--line);
}

.accordion.faq-list{
  background:transparent;
  border:0;
  margin:0;
}
.faq-list .accordion-item{
  background:transparent;
  border-bottom:1px solid var(--line);
}
.faq-list .accordion-title{
  display:block;
  position:relative;
  padding:20px 46px 20px 0;
  border:0;
  background:transparent;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  line-height:1.55;
  transition:color .2s var(--ease);
}
.faq-list .accordion-title:hover{color:var(--action);}
.faq-list .accordion-title::before{
  content:"";
  position:absolute;
  right:14px;
  top:50%;
  width:9px;height:9px;
  border-right:2px solid var(--muted);
  border-bottom:2px solid var(--muted);
  background:none;
  transform:translateY(-70%) rotate(45deg);
  transition:transform .2s var(--ease),border-color .2s var(--ease);
}
.faq-list .accordion-item.is-active .accordion-title::before{
  transform:translateY(-30%) rotate(-135deg);
  border-color:var(--action);
}
.faq-list .accordion-item.is-active .accordion-title{color:var(--ink);}
.faq-list .accordion-content{
  display:none;
  padding:0 46px 22px 0;
  border:0;
  background:transparent;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
}
.faq-list .accordion-content.is-open{display:block;}
.faq-list .accordion-content p{color:var(--muted);font-size:15px;line-height:1.85;}

/* ---------- steps ---------- */
.steps-band{
  background:var(--block);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.steps{
  display:grid;
  grid-template-columns:1fr;
  gap:26px;
  margin-top:36px;
  position:relative;
}
.step{
  position:relative;
  padding-left:52px;
}
.step::before{
  content:"";
  position:absolute;
  left:17px;
  top:40px;
  bottom:-26px;
  width:1px;
  background:rgba(13,25,23,.16);
}
.step:last-child::before{display:none;}
.step-num{
  position:absolute;
  left:0;top:0;
  width:36px;height:36px;
  border-radius:50%;
  background:#fff;
  border:1.5px solid var(--lime);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  color:var(--ink);
}
.step h3{font-size:18px;margin-bottom:6px;}
.step p{color:var(--muted);font-size:15px;line-height:1.8;}

@media screen and (min-width:1025px){
  .steps{grid-template-columns:repeat(4,1fr);gap:24px;}
  .step{padding-left:0;padding-top:56px;}
  .step::before{
    left:42px;right:-24px;top:17px;bottom:auto;
    width:auto;height:1px;
  }
  .step:last-child::before{display:none;}
  .step-num{left:0;top:0;}
}

/* ---------- contact card ---------- */
.contact-band{
  background:var(--ink);
  color:#fff;
  padding:56px 0;
}
@media screen and (min-width:1025px){.contact-band{padding:72px 0;}}
.contact-inner{
  display:flex;
  flex-wrap:wrap;
  gap:32px;
  align-items:center;
  justify-content:space-between;
}
.contact-copy{flex:1 1 420px;}
.contact-copy h2{color:#fff;}
.contact-copy p{
  color:rgba(255,255,255,.72);
  margin-top:14px;
  max-width:620px;
  font-size:16px;
}
.contact-points{
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
  margin-top:22px;
}
.contact-points li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.78);
}
.contact-points li::before{
  content:"";
  width:14px;height:2px;
  background:var(--lime);
  border-radius:2px;
}
.contact-action{flex:0 0 auto;}
.privacy-note{
  margin-top:14px;
  font-size:13px;
  color:rgba(255,255,255,.55);
  max-width:360px;
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.8);
  padding:64px 0 24px;
  border-top:1px solid rgba(255,255,255,.12);
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
}
@media screen and (min-width:641px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (min-width:1025px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:800;
  font-size:17px;
  margin-bottom:16px;
}
.site-footer p{
  color:rgba(255,255,255,.62);
  font-size:14.5px;
  line-height:1.8;
  max-width:360px;
}
.footer-title{
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--lime);
  margin-bottom:18px;
}
.footer-links li{margin-bottom:12px;}
.footer-links a{
  color:rgba(255,255,255,.8);
  font-size:15px;
  transition:color .2s var(--ease);
}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{
  color:rgba(255,255,255,.72);
  font-size:15px;
  margin-bottom:12px;
  line-height:1.7;
}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ---------- reveal modal ---------- */
.reveal-overlay{background:rgba(13,25,23,.55);}
.reveal{
  border:0;
  border-radius:18px;
  background:#fff;
  max-width:520px;
  padding:0;
  box-shadow:0 24px 60px rgba(13,25,23,.28);
}
.reveal-inner{padding:28px;}
.reveal-inner h3{font-size:22px;margin-bottom:8px;}
.reveal-inner > p{color:var(--muted);font-size:15px;margin-bottom:20px;}
.modal-close{
  position:absolute;
  top:16px;right:16px;
  width:32px;height:32px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  color:var(--ink);
  line-height:1;
}
.modal-close:hover{border-color:var(--ink);}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:8px;
}
.field .req{color:var(--action);}
.field input[type="text"],
.field input[type="tel"],
.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:12px 14px;
  font-size:15px;
  color:var(--ink);
  background:#fff;
  outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input[type="text"],
.field input[type="tel"]{height:46px;}
.field textarea{min-height:88px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  border-color:var(--lime);
  box-shadow:0 0 0 2px var(--lime);
}
.check-row{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:13.5px;
  color:var(--muted);
  line-height:1.65;
  margin:6px 0 20px;
}
.check-row input{margin-top:4px;}

/* ---------- fade up ---------- */
[data-fade]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .42s var(--ease),transform .42s var(--ease);
}
[data-fade].is-in{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  [data-fade]{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}