/* roulang page: index */
:root{
  --green:#0E3B2E;
  --green-deep:#0A2C22;
  --lime:#C6F24E;
  --ink:#121815;
  --gray:#5F6B64;
  --sand:#F4F1EA;
  --white:#FFFFFF;
  --mint:#E7EFE8;
  --line:#D5DDD5;
  --clay:#C25B44;
  --r-card:18px;
  --r-img:16px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 12px 30px rgba(18,24,21,.08);
  --sh-2:0 24px 60px rgba(14,59,46,.14);
  --nav-w:104px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;line-height:1.85;color:var(--ink);background:var(--sand);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--green);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--green-deep)}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:900;line-height:1.22;letter-spacing:-.01em}
p{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(20px,3.4vw,56px)}

/* ---------- 布局骨架 ---------- */
.page{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
.page main{flex:1 0 auto}

/* ---------- 左侧竖向导航 ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);z-index:80;
  background:var(--green);border-right:1px solid rgba(198,242,78,.14);
  display:flex;flex-direction:column;align-items:center;padding:22px 0 22px;
}
.brand-mark{
  width:76px;padding:13px 6px;border-radius:16px;background:var(--lime);color:var(--green-deep);
  font-size:12px;font-weight:800;line-height:1.35;text-align:center;letter-spacing:-.02em;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.brand-mark span{display:block}
.brand-mark:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(198,242,78,.28);color:var(--green-deep)}
.side-links{margin-top:26px;display:flex;flex-direction:column;gap:10px;align-items:center;flex:1;width:100%}
.side-link{
  position:relative;width:78px;padding:13px 4px 11px;border-radius:14px;
  display:flex;flex-direction:column;align-items:center;gap:7px;
  color:rgba(244,241,234,.68);font-size:12px;line-height:1.2;text-align:center;font-weight:600;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.side-link i{font-size:17px;line-height:1}
.side-link:hover{background:rgba(255,255,255,.09);color:#F4F1EA;transform:translateY(-2px)}
.side-link.is-active{background:rgba(198,242,78,.18);color:#F4F1EA}
.side-link.is-active::before{
  content:"";position:absolute;left:-7px;top:50%;transform:translateY(-50%);
  width:4px;height:26px;border-radius:4px;background:var(--lime);
}
.side-cta{
  width:78px;margin-top:14px;padding:13px 6px;border-radius:14px;background:var(--lime);color:var(--green-deep);
  font-size:12.5px;font-weight:800;text-align:center;line-height:1.35;
  transition:background .25s var(--ease),transform .25s var(--ease);
}
.side-cta:hover{background:#FFFFFF;color:var(--green-deep);transform:translateY(-2px)}

/* ---------- 移动端顶栏 ---------- */
.top-nav{
  display:flex;align-items:center;justify-content:space-between;
  position:fixed;top:0;left:0;right:0;height:64px;z-index:85;
  padding:0 18px;background:var(--green);border-bottom:1px solid rgba(198,242,78,.18);
}
.top-brand{color:#F4F1EA;font-weight:900;font-size:16px;letter-spacing:-.01em}
.top-brand:hover{color:var(--lime)}
.nav-toggle{
  width:44px;height:44px;border:none;background:rgba(255,255,255,.08);border-radius:12px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:#F4F1EA;border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  display:flex;flex-direction:column;gap:12px;
  position:fixed;top:64px;left:0;right:0;bottom:0;z-index:75;
  background:var(--green);padding:26px 20px 40px;overflow-y:auto;
  transform:translateY(-10px);opacity:0;visibility:hidden;
  transition:transform .32s var(--ease),opacity .32s var(--ease),visibility .32s;
}
.mobile-menu.is-open{transform:none;opacity:1;visibility:visible}
.mobile-menu a.mm-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 20px;border-radius:16px;background:rgba(255,255,255,.06);
  color:#EFF4EE;font-weight:700;font-size:17px;
}
.mobile-menu a.mm-link i{color:var(--lime);font-size:15px}
.mobile-menu a.mm-link.is-active{background:rgba(198,242,78,.18);color:#fff;box-shadow:inset 3px 0 0 var(--lime)}
.mm-note{margin-top:10px;font-size:13.5px;color:rgba(244,241,234,.55);line-height:1.8}

/* ---------- 通用区块 ---------- */
.section{padding:clamp(56px,6.6vw,112px) 0}
.section--white{background:var(--white)}
.section--mint{background:var(--mint)}
.sec-head{max-width:780px;margin-bottom:clamp(30px,3.6vw,56px)}
.kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.14em;
  color:var(--green);background:var(--mint);border:1px solid var(--line);border-radius:999px;
  padding:7px 15px;margin-bottom:18px;
}
.kicker--dark{background:rgba(198,242,78,.16);border-color:rgba(198,242,78,.4);color:#DDFA8C}
.sec-head h2{font-size:clamp(26px,3.2vw,42px)}
.sec-head p{margin-top:16px;color:var(--gray);font-size:17px}
.divider{height:1px;background:var(--line);border:none;margin:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 32px;border-radius:var(--r-btn);font-size:16px;font-weight:800;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.btn i{font-size:14px}
.btn-primary{background:var(--lime);color:var(--green-deep);box-shadow:0 14px 30px rgba(198,242,78,.24)}
.btn-primary:hover{background:var(--green);color:var(--lime);transform:translateY(-2px);box-shadow:0 18px 36px rgba(14,59,46,.3)}
.btn-ghost{background:transparent;color:#EFF4EE;border-color:rgba(239,244,238,.42)}
.btn-ghost:hover{background:rgba(198,242,78,.16);border-color:var(--lime);color:#EFF4EE;transform:translateY(-2px)}
.btn-dark{background:var(--green);color:#F4F1EA}
.btn-dark:hover{background:var(--lime);color:var(--green-deep);transform:translateY(-2px)}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:15.5px;color:var(--green)}
.link-arrow i{transition:transform .25s var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-block;padding:5px 13px;border-radius:999px;background:var(--mint);color:var(--green-deep);
  font-size:12.5px;font-weight:800;letter-spacing:.02em;
}
.tag--lime{background:rgba(198,242,78,.34)}
.tag--ghost{background:rgba(255,255,255,.1);color:#DDFA8C;border:1px solid rgba(198,242,78,.3)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--green);color:#EFF4EE;
  min-height:76vh;display:flex;align-items:center;
  padding:clamp(60px,7vw,104px) 0 clamp(56px,6vw,90px);
}
.hero-bg{
  position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  opacity:.26;
}
.hero-shade{
  position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(14,59,46,.97) 0%,rgba(14,59,46,.86) 44%,rgba(14,59,46,.5) 100%);
}
.hero-rings{position:absolute;right:-150px;top:-150px;width:660px;height:660px;border-radius:50%;border:1px solid rgba(198,242,78,.18);pointer-events:none}
.hero-rings::before{content:"";position:absolute;inset:72px;border-radius:50%;border:1px solid rgba(198,242,78,.14)}
.hero-rings::after{content:"";position:absolute;inset:146px;border-radius:50%;border:1px solid rgba(198,242,78,.1)}
.hero-inner{position:relative;z-index:3;width:100%}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--lime);margin-bottom:20px;
}
.eyebrow::before{content:"";width:30px;height:2px;background:var(--lime);border-radius:2px}
.hero h1{font-size:clamp(32px,4.4vw,62px);line-height:1.12;letter-spacing:-.02em;color:#FFFFFF;max-width:15em}
.hero-sub{margin-top:22px;font-size:clamp(16px,1.3vw,19.5px);color:rgba(239,244,238,.84);max-width:36em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:36px;font-size:15px;color:rgba(239,244,238,.76)}
.hero-points li{display:flex;align-items:center;gap:9px}
.hero-points i{color:var(--lime);font-size:12px}

/* ---------- 渠道状态卡 ---------- */
.status-card{
  background:#0F3327;border:1px solid rgba(198,242,78,.26);border-radius:22px;
  padding:20px;box-shadow:0 24px 60px rgba(0,0,0,.3);
}
.status-card img{border-radius:var(--r-img);width:100%;aspect-ratio:16/10;object-fit:cover}
.status-list{margin-top:18px;display:grid;gap:10px}
.status-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 15px;border-radius:12px;background:rgba(255,255,255,.05);
  font-size:14px;color:rgba(239,244,238,.76);
}
.status-row b{color:#EFF4EE;font-weight:700}
.status-row em{font-style:normal;color:var(--lime);font-weight:800;font-variant-numeric:tabular-nums}
.status-live{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-weight:800}
.status-live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(198,242,78,.18)}

/* ---------- 信任条 ---------- */
.trust{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{padding:36px 28px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:none}
.trust-item strong{
  display:block;font-size:clamp(24px,2.4vw,34px);font-weight:900;color:var(--green);
  font-variant-numeric:tabular-nums;line-height:1.15;
}
.trust-item span{display:block;margin-top:8px;font-size:14.5px;color:var(--gray);line-height:1.65}

/* ---------- 三步上手 ---------- */
.steps{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.steps::before{
  content:"";position:absolute;top:54px;left:6%;right:6%;height:1px;z-index:0;
  background:repeating-linear-gradient(90deg,var(--line) 0 9px,transparent 9px 18px);
}
.step{
  position:relative;z-index:1;display:block;color:var(--ink);
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 28px;transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-2);color:var(--ink)}
.step-num{
  display:inline-flex;width:48px;height:48px;align-items:center;justify-content:center;
  border-radius:14px;background:var(--mint);color:var(--green);font-weight:900;font-size:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{margin-top:22px;font-size:21px}
.step p{margin-top:12px;color:var(--gray);font-size:16px;line-height:1.8}
.step-more{margin-top:20px;display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:800;font-size:15px}
.step-more i{transition:transform .25s var(--ease)}
.step:hover .step-more i{transform:translateX(4px)}

/* ---------- 案例证明 ---------- */
.cases{display:grid;grid-template-columns:1.45fr 1fr;gap:24px}
.case{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.case:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-2)}
.case--lead{grid-row:span 2;display:flex;flex-direction:column}
.case--lead img{width:100%;aspect-ratio:16/9;object-fit:cover}
.case--lead .case-body{padding:30px 30px 32px}
.case-body h3{font-size:22px;margin-top:16px}
.case-body p{margin-top:14px;color:var(--gray);font-size:15.5px;line-height:1.85}
.case--sm{display:grid;grid-template-columns:148px 1fr}
.case--sm img{width:100%;height:100%;object-fit:cover}
.case--sm .case-body{padding:22px 24px;display:flex;flex-direction:column;justify-content:center}
.case--sm .case-body h3{font-size:18px;margin-top:12px;line-height:1.45}
.case--sm .case-body p{margin-top:10px;font-size:14.5px;line-height:1.75}
.case-metric{
  margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);
  display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;
}
.case-metric strong{font-size:30px;font-weight:900;color:var(--green);font-variant-numeric:tabular-nums;line-height:1}
.case-metric span{font-size:14px;color:var(--gray)}

/* ---------- 最新信息（CMS 区域） ---------- */
.news-list{border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:118px 1fr 40px;gap:24px;align-items:center;
  padding:24px 18px;border-bottom:1px solid var(--line);border-radius:14px;
  color:var(--ink);transition:background .3s var(--ease),box-shadow .3s var(--ease),transform .3s var(--ease);
}
.news-item:hover{background:var(--white);box-shadow:var(--sh-1);color:var(--ink);transform:translateY(-2px)}
.news-time{font-size:14px;color:var(--gray);font-variant-numeric:tabular-nums}
.news-body h3{font-size:20px;line-height:1.45;transition:color .25s var(--ease)}
.news-item:hover .news-body h3{color:var(--green)}
.news-body p{
  margin-top:10px;color:var(--gray);font-size:15.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-cat{margin-bottom:10px;display:inline-block}
.news-arrow{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--green);font-size:13px;
  transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease);
}
.news-item:hover .news-arrow{background:var(--lime);border-color:var(--lime);color:var(--green-deep)}
.empty-state{
  background:var(--mint);border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;color:var(--gray);
}
.empty-state i{font-size:26px;color:var(--green);display:block;margin-bottom:14px}
.empty-state p{font-size:17px;font-weight:800;color:var(--ink)}
.empty-state span{display:block;margin-top:10px;font-size:15px}

/* ---------- 常见异议 FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.9fr 1.45fr;gap:clamp(28px,4vw,64px);align-items:start}
.faq-side h2{font-size:clamp(26px,3.2vw,40px)}
.faq-side p{margin-top:16px;color:var(--gray);font-size:16.5px}
.faq-side .link-arrow{margin-top:22px}
.accordion.faq-acc{background:transparent;border:none;border-top:1px solid var(--line);margin:0}
.faq-acc .accordion-item{background:transparent;border:none;border-bottom:1px solid var(--line)}
.faq-acc .accordion-title{
  display:block;position:relative;padding:24px 56px 24px 18px;border:none;border-radius:12px;
  font-size:18px;font-weight:800;line-height:1.55;color:var(--ink);
  transition:background .25s var(--ease),color .25s var(--ease);
}
.faq-acc .accordion-title:hover{background:var(--mint);color:var(--green)}
.faq-acc .accordion-title::before{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:24px;font-weight:400;color:var(--green);line-height:1;background:none;margin:0;
}
.faq-acc .accordion-item.is-active > .accordion-title{color:var(--green);background:var(--mint)}
.faq-acc .accordion-item.is-active > .accordion-title::before{content:"–"}
.faq-acc .accordion-content{
  border:none;background:transparent;padding:0 56px 24px 18px;color:var(--gray);
  font-size:16px;line-height:1.9;
}

/* ---------- 立即开通 CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;background:var(--green);color:#EFF4EE;
  border-radius:26px;padding:clamp(30px,4vw,60px);box-shadow:0 24px 60px rgba(14,59,46,.22);
}
.cta-card::after{
  content:"";position:absolute;right:-130px;bottom:-180px;width:440px;height:440px;
  border-radius:50%;border:1px solid rgba(198,242,78,.2);pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{color:#FFFFFF;font-size:clamp(26px,3vw,38px)}
.cta-copy > p{margin-top:16px;color:rgba(239,244,238,.82);font-size:16.5px}
.cta-list{margin-top:26px;display:grid;gap:12px}
.cta-list li{display:flex;gap:11px;font-size:15.5px;color:rgba(239,244,238,.86);line-height:1.75}
.cta-list i{color:var(--lime);font-size:11px;margin-top:9px}
.cta-copy .link-arrow{margin-top:24px;color:var(--lime)}
.cta-copy .link-arrow:hover{color:#FFFFFF}
.open-form{
  position:relative;z-index:2;background:var(--white);border-radius:20px;
  padding:clamp(22px,2.6vw,34px);box-shadow:0 24px 60px rgba(0,0,0,.2);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-size:14px;font-weight:800;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;height:50px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 16px;font-size:16px;background:var(--sand);color:var(--ink);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease);
}
.field textarea{height:112px;padding:14px 16px;line-height:1.7;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--green) 50%),linear-gradient(135deg,var(--green) 50%,transparent 50%);background-position:calc(100% - 22px) 22px,calc(100% - 16px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:#FFFFFF;box-shadow:0 0 0 4px rgba(198,242,78,.3);
}
.form-note{margin-top:14px;font-size:13.5px;color:var(--gray);line-height:1.7}
.form-msg{margin-top:14px;font-size:14.5px;font-weight:800;color:var(--green);min-height:22px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--green);color:rgba(244,241,234,.76);padding:clamp(48px,6vw,84px) 0 26px;margin-top:0}
.footer-brand{font-size:20px;font-weight:900;color:#FFFFFF;margin-bottom:16px;line-height:1.4}
.footer-lead{font-size:15px;line-height:1.85;color:rgba(244,241,234,.72);max-width:32em}
.site-footer h4{font-size:14px;letter-spacing:.12em;color:var(--lime);font-weight:800;margin-bottom:18px}
.footer-links li{margin-bottom:11px}
.footer-links a{color:rgba(244,241,234,.8);font-size:15px}
.footer-links a:hover{color:var(--lime)}
.footer-links a.is-active{color:var(--lime);font-weight:700}
.footer-info li{font-size:15px;line-height:1.9;color:rgba(244,241,234,.76)}
.footer-info strong{color:#FFFFFF;font-weight:700}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px 28px;font-size:13.5px;color:rgba(244,241,234,.58);
}
.footer-bottom a{color:rgba(244,241,234,.58)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;border:none;
  background:var(--green);color:var(--lime);display:flex;align-items:center;justify-content:center;
  cursor:pointer;z-index:70;opacity:0;pointer-events:none;
  box-shadow:0 12px 30px rgba(14,59,46,.3);
  transition:opacity .3s var(--ease),transform .3s var(--ease),background .25s var(--ease);
}
.to-top.is-on{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--green-deep);transform:translateY(-3px)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .top-nav,.mobile-menu{display:none}
}
@media (max-width:1023px){
  .side-nav{display:none}
  .page{margin-left:0;padding-top:64px}
  .hero{min-height:auto;padding:clamp(44px,7vw,72px) 0 clamp(48px,6vw,68px)}
  .hero h1{font-size:clamp(28px,5.4vw,44px);max-width:none}
  .hero-rings{width:460px;height:460px;right:-160px;top:-160px}
  .steps{grid-template-columns:1fr}
  .steps::before{display:none}
  .cases{grid-template-columns:1fr}
  .case--lead{grid-row:auto}
  .faq-wrap{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .trust-item{border-bottom:1px solid var(--line)}
  .trust-item:nth-child(2n){border-right:none}
  .trust-item:nth-last-child(-n+2){border-bottom:none}
  .news-item{grid-template-columns:1fr 40px;gap:16px}
  .news-time{grid-column:1/-1}
  .form-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  body{font-size:16px;line-height:1.8}
  .sec-head p{font-size:16px}
  .case--sm{grid-template-columns:1fr}
  .case--sm img{aspect-ratio:16/9}
  .news-item{padding:22px 12px}
  .hero-cta{gap:12px}
  .hero-cta .btn{flex:1 1 auto}
  .footer-bottom{margin-top:36px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero h1{font-size:clamp(26px,7.4vw,34px)}
  .trust-grid{grid-template-columns:1fr}
  .trust-item{border-right:none;border-bottom:1px solid var(--line)}
  .trust-item:last-child{border-bottom:none}
  .step,.case-body,.case--sm .case-body{padding:20px 18px}
  .cta-card{border-radius:20px}
  .btn{padding:14px 24px;font-size:15.5px}
  .btn-block{width:100%}
  .to-top{right:16px;bottom:16px}
  .faq-acc .accordion-title{font-size:16.5px;padding:20px 48px 20px 14px}
  .faq-acc .accordion-content{padding:0 20px 20px 14px;font-size:15.5px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.step,.case,.news-item,.to-top,.brand-mark,.side-link,.side-cta,.link-arrow i,.step-more i{transition:none}
  .btn:hover,.step:hover,.case:hover,.news-item:hover,.to-top:hover,.brand-mark:hover,.side-link:hover,.side-cta:hover{transform:none}
}

/* roulang page: article */
:root{
  --ink:#121815;
  --ink-soft:#5F6B64;
  --ink-mid:#3B463F;
  --dark:#0E3B2E;
  --dark-2:#0A2C22;
  --lime:#C6F24E;
  --sand:#F4F1EA;
  --surface:#FFFFFF;
  --green-soft:#E7EFE8;
  --line:#D5DDD5;
  --clay:#C25B44;
  --r-card:18px;
  --r-img:15px;
  --r-input:12px;
  --sh-1:0 12px 30px rgba(18,24,21,.08);
  --sh-2:0 24px 60px rgba(14,59,46,.14);
  --nav-w:104px;
  --ease:cubic-bezier(.2,.8,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-style:none}
a{color:var(--dark);text-decoration:none;background-color:transparent;transition:color .25s var(--ease)}
a:hover{color:var(--dark-2)}
button,input,select,textarea{font:inherit;margin:0}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,h5{margin:0;font-weight:900;line-height:1.3;color:var(--ink)}
p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.grid-container{max-width:1360px;padding-left:36px;padding-right:36px;margin:0 auto}
.grid-padding-x>.cell{padding-left:16px;padding-right:16px}
.grid-x{margin-left:-16px;margin-right:-16px}
.grid-x>.cell{width:100%}

/* 左侧竖向导航 */
.side-nav{
  position:fixed;left:0;top:0;bottom:0;width:var(--nav-w);
  background:linear-gradient(180deg,#0E3B2E 0%,#0A2C22 100%);
  display:flex;flex-direction:column;align-items:center;
  padding:22px 10px 20px;z-index:60;
  border-right:1px solid rgba(255,255,255,.06);
}
.brand-mark{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;
  width:84px;padding:12px 4px;border-radius:14px;
  color:#fff;font-size:12.5px;font-weight:800;line-height:1.3;letter-spacing:.02em;
  text-align:center;transition:background .25s var(--ease)
}
.brand-mark span:first-child{color:var(--lime);font-size:14px;letter-spacing:.04em}
.brand-mark:hover{background:rgba(198,242,78,.12);color:#fff}
.side-links{display:flex;flex-direction:column;gap:8px;margin-top:30px;width:100%;flex:1}
.side-link{
  position:relative;display:flex;flex-direction:column;align-items:center;gap:7px;
  padding:13px 6px;border-radius:14px;color:rgba(255,255,255,.76);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;transition:all .25s var(--ease)
}
.side-link i{font-size:17px}
.side-link:hover{background:rgba(255,255,255,.09);color:#fff}
.side-link.is-active{background:rgba(198,242,78,.15);color:#fff}
.side-link.is-active::before{
  content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);
  width:4px;height:26px;border-radius:4px;background:var(--lime)
}
.side-cta{
  margin-top:auto;display:block;width:100%;text-align:center;
  background:var(--lime);color:#0E3B2E;font-size:12.5px;font-weight:800;
  padding:12px 8px;border-radius:999px;border:1px solid var(--lime);
  transition:all .25s var(--ease)
}
.side-cta:hover{background:transparent;color:var(--lime);transform:translateY(-2px)}

/* 移动端顶栏 */
.top-bar{
  display:none;position:sticky;top:0;z-index:80;height:64px;
  align-items:center;justify-content:space-between;
  padding:0 18px;background:var(--dark);color:#fff;
  box-shadow:0 8px 24px rgba(10,44,34,.18)
}
.top-brand{color:#fff;font-size:16px;font-weight:900;letter-spacing:.01em}
.top-brand span{color:var(--lime)}
.top-brand:hover{color:#fff}
.menu-toggle{
  width:44px;height:44px;border-radius:12px;border:0;
  background:rgba(255,255,255,.12);color:#fff;font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .25s var(--ease)
}
.menu-toggle:hover{background:rgba(198,242,78,.24)}
.mobile-menu{
  position:fixed;left:0;right:0;top:64px;bottom:0;z-index:70;
  background:var(--sand);padding:22px 20px 30px;
  display:none;flex-direction:column;gap:10px;overflow-y:auto
}
.mobile-menu.is-open{display:flex}
.mobile-link{
  display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:14px;
  background:var(--surface);border:1px solid var(--line);
  font-weight:700;font-size:16px;color:var(--ink);transition:all .25s var(--ease)
}
.mobile-link i{color:var(--dark)}
.mobile-link:hover{border-color:var(--lime);transform:translateY(-2px)}
.mobile-link.is-active{background:var(--green-soft);border-color:var(--dark);color:var(--dark)}
.mobile-menu .side-cta{margin-top:16px;padding:16px;font-size:15px}

/* 页面外壳 */
.page-shell{padding-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1}

/* 文章头部 */
.article-head{
  position:relative;overflow:hidden;
  padding:52px 0 46px;background:var(--sand);border-bottom:1px solid var(--line)
}
.article-head::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;opacity:.07;pointer-events:none
}
.article-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(14,59,46,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(14,59,46,.05) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5
}
.article-head>.grid-container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-soft);margin-bottom:20px}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--dark)}
.breadcrumb .sep{color:#B6C0B8}
.breadcrumb .now{color:var(--ink-mid);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--green-soft);color:var(--dark);
  font-size:12.5px;font-weight:800;letter-spacing:.04em;
  padding:6px 14px;border-radius:999px;border:1px solid rgba(14,59,46,.12)
}
.pill i{font-size:11px}
.article-title{
  font-size:clamp(30px,3.4vw,46px);font-weight:900;line-height:1.24;
  letter-spacing:-.01em;margin:16px 0 18px;max-width:960px
}
.article-lead{font-size:17.5px;line-height:1.9;color:var(--ink-soft);max-width:840px;margin-bottom:26px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14.5px;color:var(--ink-soft)}
.article-meta li{display:flex;align-items:center;gap:8px}
.article-meta i{color:var(--dark);font-size:14px}

/* 文章主体 */
.article-body{padding:64px 0 88px}
.article-feature{margin:0 0 40px;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);background:var(--surface)}
.article-feature img{width:100%;aspect-ratio:16/9;object-fit:cover}

.prose{
  font-size:17.5px;line-height:1.9;color:#1B221E;
  max-width:840px;word-break:break-word
}
.prose>*:first-child{margin-top:0}
.prose h2{
  font-size:30px;font-weight:900;line-height:1.35;
  margin:54px 0 18px;padding-left:16px;border-left:6px solid var(--lime)
}
.prose h3{font-size:22px;font-weight:800;margin:36px 0 14px;line-height:1.45}
.prose h4{font-size:19px;font-weight:800;margin:28px 0 12px}
.prose p{margin:0 0 20px}
.prose ul{list-style:disc;padding-left:24px;margin:0 0 22px}
.prose ol{list-style:decimal;padding-left:24px;margin:0 0 22px}
.prose li{margin-bottom:10px;line-height:1.85}
.prose li::marker{color:var(--dark)}
.prose a{color:var(--dark);font-weight:700;border-bottom:1px solid var(--lime)}
.prose a:hover{color:var(--dark-2);border-bottom-color:var(--dark)}
.prose img{border-radius:var(--r-img);box-shadow:var(--sh-1);margin:28px 0}
.prose blockquote{
  margin:28px 0;padding:20px 24px;background:var(--green-soft);
  border-left:4px solid var(--dark);border-radius:14px;color:#23302A
}
.prose blockquote p:last-child{margin-bottom:0}
.prose code{background:#EDF3EE;padding:2px 7px;border-radius:6px;font-size:.94em;color:#26402F}
.prose pre{background:var(--dark);color:#EAF3EA;padding:20px 22px;border-radius:14px;overflow-x:auto;margin:26px 0;font-size:15px;line-height:1.75}
.prose pre code{background:none;color:inherit;padding:0}
.prose table{width:100%;border-collapse:collapse;margin:28px 0;font-size:16px;background:var(--surface);border-radius:14px;overflow:hidden;box-shadow:var(--sh-1)}
.prose th,.prose td{border:1px solid var(--line);padding:12px 16px;text-align:left;vertical-align:top}
.prose th{background:var(--green-soft);font-weight:800;color:var(--dark)}
.prose hr{border:0;border-top:1px solid var(--line);margin:40px 0}

/* 空态 */
.empty-state{
  background:var(--green-soft);border:1px solid rgba(14,59,46,.12);
  border-radius:var(--r-card);padding:48px 32px;text-align:center;max-width:840px
}
.empty-state i{font-size:34px;color:var(--dark);margin-bottom:16px;display:block}
.empty-state h2{font-size:26px;margin-bottom:12px}
.empty-state p{color:var(--ink-mid);margin-bottom:24px}

/* 目录与侧栏 */
.article-aside{position:relative}
.toc{
  position:sticky;top:32px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);margin-bottom:22px
}
.toc h3{font-size:13.5px;font-weight:800;letter-spacing:.08em;color:var(--ink-soft);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.toc h3 i{color:var(--dark)}
.toc-list li a{
  display:block;padding:9px 12px;border-radius:10px;font-size:15px;
  color:var(--ink-mid);border-left:2px solid transparent;line-height:1.6;transition:all .25s var(--ease)
}
.toc-list li a:hover{background:var(--green-soft);color:var(--dark)}
.toc-list li a.is-current{background:var(--green-soft);border-left-color:var(--lime);color:var(--dark);font-weight:800}
.aside-card{
  background:var(--dark);color:rgba(255,255,255,.8);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-2)
}
.aside-card h3{color:#fff;font-size:17px;margin-bottom:10px}
.aside-card p{font-size:14.5px;line-height:1.85;margin-bottom:16px;color:rgba(255,255,255,.72)}
.aside-links{display:flex;flex-direction:column;gap:10px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:rgba(255,255,255,.08);color:#fff;font-size:14.5px;font-weight:700;
  padding:12px 14px;border-radius:12px;transition:all .25s var(--ease)
}
.aside-links a:hover{background:var(--lime);color:var(--dark)}
.aside-links a i{transition:transform .25s var(--ease)}
.aside-links a:hover i{transform:translateX(3px)}

.toc-mobile{
  display:none;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:14px 18px;margin-bottom:26px
}
.toc-mobile summary{
  cursor:pointer;font-weight:800;font-size:15px;color:var(--dark);
  list-style:none;display:flex;align-items:center;gap:8px
}
.toc-mobile summary::-webkit-details-marker{display:none}
.toc-mobile[open] summary{margin-bottom:12px}
.toc-mobile .toc-list li a{padding:8px 10px;font-size:14.5px}

/* 返回入口与相关推荐 */
.back-line{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:48px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:800;font-size:16px;padding:14px 26px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;line-height:1;
  transition:all .25s var(--ease)
}
.btn i{transition:transform .25s var(--ease)}
.btn-primary{background:var(--lime);color:#0E3B2E}
.btn-primary:hover{background:var(--dark);color:var(--lime);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--dark);color:var(--dark)}
.btn-ghost:hover{background:var(--green-soft);transform:translateY(-2px)}
.btn-link{background:none;padding:14px 4px;color:var(--dark)}
.btn-link:hover i{transform:translateX(4px)}

.related{background:var(--surface);border-top:1px solid var(--line);padding:76px 0}
.section-label{font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--dark);text-transform:uppercase;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.section-label::before{content:"";width:26px;height:2px;background:var(--lime)}
.section-title{font-size:clamp(26px,2.6vw,36px);font-weight:900;letter-spacing:-.01em;margin-bottom:34px;max-width:760px}
.rel-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--sand);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:all .3s var(--ease)
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-1)}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--green-soft)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.rel-body .pill{margin-bottom:12px;align-self:flex-start}
.rel-body h3{font-size:19px;line-height:1.5;margin-bottom:10px;transition:color .25s var(--ease)}
.rel-card:hover .rel-body h3{color:var(--dark)}
.rel-body p{font-size:14.8px;line-height:1.8;color:var(--ink-soft);margin-bottom:16px}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--ink-soft)}
.rel-foot i{color:var(--dark);transition:transform .25s var(--ease)}
.rel-card:hover .rel-foot i{transform:translateX(4px)}
.rel-meta{display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--ink-soft);font-variant-numeric:tabular-nums}

/* 咨询区 */
.consult{
  background:var(--surface);border:1px solid var(--line);border-radius:22px;
  box-shadow:var(--sh-1);padding:34px;margin-top:64px
}
.consult h2{font-size:clamp(24px,2.4vw,32px);margin-bottom:12px}
.consult .hint{font-size:15.5px;color:var(--ink-soft);line-height:1.85;margin-bottom:18px}
.consult-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--ink-mid);margin-bottom:10px}
.consult-list i{color:var(--dark);margin-top:5px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:800;color:var(--ink-mid);margin-bottom:8px;letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;height:50px;padding:0 16px;border-radius:var(--r-input);
  border:1px solid var(--line);background:var(--sand);color:var(--ink);
  font-size:15.5px;transition:all .25s var(--ease)
}
.field textarea{height:110px;padding:14px 16px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--dark);background:#fff;
  box-shadow:0 0 0 3px rgba(198,242,78,.55)
}
.form-note{font-size:13px;color:var(--ink-soft);margin-top:12px;line-height:1.7}
.form-tip{
  display:none;margin-top:14px;padding:12px 16px;border-radius:12px;
  background:var(--green-soft);color:var(--dark);font-size:14.5px;font-weight:700
}
.form-tip.is-show{display:block}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:72px 0 28px}
.footer-brand{font-size:20px;font-weight:900;color:#fff;margin-bottom:14px;letter-spacing:.01em}
.footer-lead{font-size:14.5px;line-height:1.9;max-width:360px;color:rgba(255,255,255,.66)}
.site-footer h4{font-size:14px;color:#fff;letter-spacing:.06em;margin:0 0 16px;font-weight:800}
.footer-links,.footer-info{font-size:14.5px}
.footer-links li{margin-bottom:10px}
.footer-info li{margin-bottom:10px;line-height:1.75}
.footer-info strong{color:var(--lime);font-variant-numeric:tabular-nums}
.site-footer a{color:rgba(255,255,255,.78)}
.site-footer a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 26px;font-size:13.5px;color:rgba(255,255,255,.55)
}
.footer-col{padding-bottom:30px}

/* 动效 */
.fade-up{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.fade-up.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .fade-up{opacity:1;transform:none}
}

/* 断点 */
@media (max-width:1023px){
  .side-nav{display:none}
  .top-bar{display:flex}
  .page-shell{padding-left:0}
  .grid-container{padding-left:22px;padding-right:22px}
  .article-head{padding:34px 0 32px}
  .article-body{padding:44px 0 64px}
  .toc-mobile{display:block}
  .toc{position:static;display:none}
  .article-aside{margin-top:34px}
  .related{padding:56px 0}
  .consult{padding:26px;margin-top:44px}
  .article-head::after{opacity:.35}
}
@media (max-width:768px){
  body{font-size:16.5px}
  .prose{font-size:16.5px;line-height:1.9}
  .prose h2{font-size:24px;margin:44px 0 16px}
  .prose h3{font-size:20px}
  .prose table{display:block;overflow-x:auto;white-space:nowrap}
  .article-title{margin:14px 0 16px}
  .article-lead{font-size:16.5px}
  .section-title{margin-bottom:26px}
  .related .cell{margin-bottom:20px}
  .site-footer{padding:52px 0 24px}
  .footer-bottom{flex-direction:column;gap:8px}
  .footer-col{padding-bottom:12px}
}
@media (max-width:520px){
  .grid-container{padding-left:18px;padding-right:18px}
  .grid-x{margin-left:-10px;margin-right:-10px}
  .grid-padding-x>.cell{padding-left:10px;padding-right:10px}
  .prose h2{padding-left:12px;border-left-width:5px}
  .btn{width:100%}
  .back-line{flex-direction:column;align-items:stretch}
  .btn-link{width:auto;align-self:flex-start}
  .consult{padding:22px;border-radius:18px}
  .empty-state{padding:36px 22px}
  .related .rel-body{padding:18px 20px 22px}
}

/* roulang page: category1 */
:root{
  --ink:#121815;
  --ink-2:#5F6B64;
  --green:#0E3B2E;
  --green-2:#155542;
  --green-3:#0a2c22;
  --lime:#C6F24E;
  --sand:#F4F1EA;
  --white:#FFFFFF;
  --mint:#E7EFE8;
  --line:#D5DDD5;
  --clay:#C25B44;
  --r-card:18px;
  --r-img:15px;
  --r-btn:999px;
  --r-input:12px;
  --sh-1:0 12px 30px rgba(18,24,21,.08);
  --sh-2:0 24px 60px rgba(14,59,46,.14);
  --nav-w:104px;
  --max:1400px;
  --pad-x:40px;
}

*,*::before,*::after{box-sizing:border-box;}
html{font-size:16px;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s ease;}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.01em;line-height:1.28;color:var(--ink);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:6px;}
::selection{background:var(--lime);color:var(--green);}

/* ---------- shell ---------- */
.page-shell{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--pad-x);}
main{flex:1 1 auto;}

/* ---------- side nav ---------- */
.side-nav{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:var(--green);
  display:flex;flex-direction:column;align-items:center;
  padding:26px 12px 22px;
  z-index:80;
  box-shadow:8px 0 34px rgba(14,59,46,.16);
}
.brand-mark{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;
  font-size:11.5px;font-weight:900;line-height:1.3;
  color:#fff;text-align:center;letter-spacing:.02em;
  padding:11px 4px;border-radius:14px;
  transition:background .25s ease,color .25s ease;
}
.brand-mark:hover{background:rgba(198,242,78,.14);color:var(--lime);}
.side-links{
  display:flex;flex-direction:column;gap:6px;
  width:100%;margin-top:40px;flex:1 1 auto;
}
.side-link{
  position:relative;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:13px 4px;border-radius:14px;
  color:rgba(255,255,255,.66);
  font-size:12.5px;font-weight:600;
  transition:background .25s ease,color .25s ease,transform .25s ease;
}
.side-link i{font-size:17px;line-height:1;}
.side-link:hover{background:rgba(255,255,255,.09);color:#fff;transform:translateY(-2px);}
.side-link.is-active{background:rgba(198,242,78,.15);color:#fff;}
.side-link.is-active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:4px;height:26px;background:var(--lime);border-radius:0 4px 4px 0;
}
.side-cta{
  margin-top:auto;display:block;width:100%;text-align:center;
  background:var(--lime);color:var(--green);
  font-size:12.5px;font-weight:900;
  padding:12px 6px;border-radius:var(--r-btn);
  transition:background .25s ease,transform .25s ease,box-shadow .25s ease;
}
.side-cta:hover{background:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.22);}

/* ---------- mobile bar ---------- */
.mobile-bar{display:none;}
.mobile-drawer{display:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:800;letter-spacing:.01em;
  transition:background .25s ease,color .25s ease,transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn i{font-size:14px;transition:transform .25s ease;}
.btn-primary{background:var(--lime);color:var(--green);box-shadow:0 10px 26px rgba(198,242,78,.30);}
.btn-primary:hover{background:var(--green);color:var(--lime);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--green);border-color:rgba(14,59,46,.35);}
.btn-ghost:hover{background:var(--mint);border-color:var(--green);transform:translateY(-2px);}
.btn-dark{background:var(--green);color:#fff;}
.btn-dark:hover{background:var(--lime);color:var(--green);transform:translateY(-2px);}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:800;color:var(--green);font-size:16px;
}
.btn-text i{transition:transform .25s ease;}
.btn-text:hover i{transform:translateX(4px);}

/* ---------- pills / badges ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-btn);
  background:var(--mint);color:var(--green);
  font-size:13px;font-weight:800;letter-spacing:.01em;
}
.pill-lime{background:var(--lime);color:var(--green);}
.pill-outline{background:transparent;border:1px solid var(--line);color:var(--ink-2);font-weight:700;}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:900;letter-spacing:.16em;
  color:var(--green);text-transform:uppercase;
  padding-left:38px;position:relative;margin-bottom:18px;
}
.eyebrow::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:26px;height:2px;background:var(--lime);border-radius:2px;
}

/* ---------- sections ---------- */
.section{padding:112px 0;}
.section--white{background:var(--white);}
.section--sand{background:var(--sand);}
.section--mist{background:var(--mint);}
.section-head{max-width:760px;margin-bottom:56px;}
.section-head h2{font-size:clamp(28px,3.1vw,42px);margin-bottom:18px;}
.section-head p{color:var(--ink-2);font-size:17.5px;margin-bottom:0;}
.section-head--split{
  max-width:none;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:end;
}
.section-head--split p{margin-bottom:6px;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:88px 0 84px;
  min-height:52vh;
  display:flex;align-items:center;
  background:linear-gradient(160deg,#F4F1EA 0%,#EBE7DC 58%,#E3E6DA 100%);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(14,59,46,.05) 1px,transparent 1px) 0 0/88px 88px,
    linear-gradient(180deg,rgba(14,59,46,.05) 1px,transparent 1px) 0 0/88px 88px;
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;
  width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,rgba(198,242,78,.42),rgba(198,242,78,0) 68%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.06fr .94fr;gap:64px;align-items:center;
  width:100%;
}
.hero h1{
  font-size:clamp(34px,4.1vw,58px);
  line-height:1.18;letter-spacing:-.02em;margin-bottom:24px;
}
.hero h1 .hl{color:var(--green);}
.hero h1 mark{
  background:linear-gradient(180deg,transparent 62%,rgba(198,242,78,.85) 62%);
  color:inherit;padding:0 2px;
}
.hero-sub{
  font-size:18px;color:var(--ink-2);max-width:590px;margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:38px;
  padding-top:28px;border-top:1px solid rgba(14,59,46,.14);
}
.hero-facts li{display:flex;flex-direction:column;gap:2px;}
.hero-facts strong{
  font-size:30px;font-weight:900;color:var(--green);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.hero-facts span{font-size:13.5px;color:var(--ink-2);font-weight:600;}

.hero-visual{position:relative;}
.hero-visual .hero-img{
  border-radius:22px;overflow:hidden;
  box-shadow:var(--sh-2);
  border:1px solid rgba(14,59,46,.10);
  background:var(--white);
}
.hero-visual .hero-img img{
  width:100%;height:400px;object-fit:cover;
}
.hero-card{
  position:absolute;left:-34px;bottom:-30px;
  width:290px;
  background:var(--white);
  border-radius:var(--r-card);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  padding:22px 24px;
}
.hero-card h3{font-size:17px;margin:12px 0 12px;}
.hero-card ul{display:flex;flex-direction:column;gap:9px;}
.hero-card li{
  position:relative;padding-left:22px;
  font-size:14px;color:var(--ink-2);line-height:1.6;
}
.hero-card li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;font-size:11px;color:var(--green);
}

/* ---------- checklist ---------- */
.check-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.check-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:30px 28px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.check-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-1);}
.check-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--mint);color:var(--green);
  font-size:15px;font-weight:900;font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.check-card h3{font-size:18.5px;margin-bottom:10px;}
.check-card p{font-size:15.5px;color:var(--ink-2);margin-bottom:0;line-height:1.8;}
.check-note{
  margin-top:34px;
  display:flex;gap:16px;align-items:flex-start;
  background:var(--mint);
  border-left:4px solid var(--lime);
  border-radius:0 var(--r-card) var(--r-card) 0;
  padding:20px 26px;
}
.check-note i{color:var(--green);font-size:18px;margin-top:5px;}
.check-note p{margin:0;font-size:15.5px;color:var(--green);font-weight:600;}

/* ---------- device table ---------- */
.device-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:start;}
.device-media{
  border-radius:20px;overflow:hidden;box-shadow:var(--sh-2);
  border:1px solid rgba(14,59,46,.10);
}
.device-media img{width:100%;height:430px;object-fit:cover;}
.device-media figcaption{
  background:var(--white);padding:16px 22px;font-size:14px;color:var(--ink-2);
  border-top:1px solid var(--line);
}
.table-scroll{overflow-x:auto;border-radius:var(--r-card);border:1px solid var(--line);background:var(--white);}
table.device-table{width:100%;border-collapse:collapse;min-width:520px;}
table.device-table th,table.device-table td{
  text-align:left;padding:18px 22px;font-size:15.5px;
  border-bottom:1px solid var(--line);vertical-align:top;
}
table.device-table thead th{
  background:var(--green);color:#fff;font-size:14.5px;font-weight:800;letter-spacing:.02em;
  border-bottom:0;
}
table.device-table tbody tr:last-child td{border-bottom:0;}
table.device-table tbody tr{transition:background .25s ease;}
table.device-table tbody tr:hover{background:var(--mint);}
table.device-table td:first-child{font-weight:800;color:var(--green);white-space:nowrap;}
table.device-table td:nth-child(2){color:var(--ink);}
table.device-table td:last-child{color:var(--ink-2);}
.device-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:27px;top:14px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--lime),rgba(14,59,46,.14));
}
.tl-item{position:relative;padding:0 0 40px 84px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:0;top:0;
  width:56px;height:56px;border-radius:50%;
  background:var(--white);border:2px solid var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:900;color:var(--green);
  font-variant-numeric:tabular-nums;
  box-shadow:0 8px 20px rgba(14,59,46,.10);
  z-index:2;
}
.tl-body{
  background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 30px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.tl-item:hover .tl-body{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--sh-1);}
.tl-body h3{font-size:19.5px;margin-bottom:10px;}
.tl-body p{margin:0;color:var(--ink-2);font-size:15.8px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:.86fr 1.14fr;gap:60px;align-items:start;}
.faq-aside{position:sticky;top:48px;}
.faq-aside h2{font-size:clamp(28px,3vw,40px);margin-bottom:18px;}
.faq-aside p{color:var(--ink-2);font-size:16.5px;}
.faq-aside .btn{margin-top:12px;}

.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{
  border:0;border-top:1px solid var(--line);background:transparent;
}
.accordion .accordion-item:last-child{border-bottom:1px solid var(--line);}
.accordion .accordion-title{
  border:0;background:transparent;
  padding:22px 64px 22px 22px;
  font-size:17px;font-weight:800;color:var(--ink);line-height:1.6;
  position:relative;display:block;
  transition:background .25s ease,color .25s ease,box-shadow .25s ease;
}
.accordion .accordion-title:hover{background:var(--mint);color:var(--green);}
.accordion .accordion-title::before{
  content:"\2b";font-family:inherit;font-weight:900;font-size:16px;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--mint);color:var(--green);
  line-height:1;
  transition:background .25s ease,color .25s ease;
}
.accordion .accordion-item.is-active .accordion-title{
  background:var(--mint);color:var(--green);
  box-shadow:inset 4px 0 0 var(--lime);
}
.accordion .accordion-item.is-active .accordion-title::before{
  content:"\2212";background:var(--lime);color:var(--green);
}
.accordion .accordion-content{
  border:0;background:transparent;
  padding:0 64px 26px 22px;
  color:var(--ink-2);font-size:15.8px;
}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA / form ---------- */
.cta-block{
  position:relative;overflow:hidden;
  background:var(--green);
  border-radius:28px;
  padding:66px 64px;
  color:#fff;
}
.cta-block::after{
  content:"";position:absolute;right:-120px;bottom:-160px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(198,242,78,.28),rgba(198,242,78,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:.92fr 1.08fr;gap:56px;align-items:start;}
.cta-copy h2{color:#fff;font-size:clamp(28px,3.2vw,42px);margin-bottom:20px;}
.cta-copy p{color:rgba(255,255,255,.78);font-size:17px;margin-bottom:26px;}
.cta-copy ul{display:flex;flex-direction:column;gap:12px;margin-bottom:8px;}
.cta-copy li{position:relative;padding-left:26px;color:rgba(255,255,255,.86);font-size:15.5px;}
.cta-copy li::before{
  content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;color:var(--lime);font-size:14px;
}
.form-card{
  background:var(--white);
  border-radius:20px;
  padding:34px 34px 30px;
  box-shadow:var(--sh-2);
}
.form-card h3{font-size:21px;margin-bottom:8px;}
.form-card > p{font-size:14.5px;color:var(--ink-2);margin-bottom:24px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:800;color:var(--green);}
.field input,.field select,.field textarea{
  width:100%;height:50px;padding:0 16px;
  border:1.5px solid var(--line);border-radius:var(--r-input);
  background:#FCFBF7;font-size:15.5px;
  transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.field textarea{height:104px;padding:13px 16px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--lime);background:#fff;
  box-shadow:0 0 0 4px rgba(198,242,78,.28);
}
.form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px;}
.form-hint{font-size:13px;color:var(--ink-2);line-height:1.6;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--green);
  color:rgba(255,255,255,.78);
  padding:80px 0 0;
  margin-top:0;
}
.site-footer h4{
  color:#fff;font-size:15px;letter-spacing:.04em;margin-bottom:18px;font-weight:900;
}
.footer-brand{
  font-size:22px;font-weight:900;color:#fff;margin-bottom:16px;line-height:1.4;
}
.footer-lead{font-size:15px;line-height:1.9;color:rgba(255,255,255,.72);max-width:420px;}
.footer-links,.footer-info{display:flex;flex-direction:column;gap:11px;}
.footer-links a,.footer-info a{
  font-size:15px;color:rgba(255,255,255,.74);
  transition:color .25s ease,padding-left .25s ease;
}
.footer-links a:hover,.footer-info a:hover{color:var(--lime);padding-left:5px;}
.footer-info li{font-size:15px;color:rgba(255,255,255,.74);line-height:1.75;}
.footer-info strong{color:#fff;font-weight:800;}
.site-footer .grid-x{padding-bottom:64px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 32px;align-items:center;justify-content:space-between;
  padding:24px 0 30px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:rgba(255,255,255,.58);
}

/* ---------- back to top ---------- */
.to-top{
  position:fixed;right:30px;bottom:30px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  background:var(--green);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease,background .25s ease,color .25s ease;
}
.to-top.is-on{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--lime);color:var(--green);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s cubic-bezier(.2,.8,.2,1),transform .42s cubic-bezier(.2,.8,.2,1);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--pad-x:32px;}
  .hero-inner{gap:44px;}
  .hero-card{position:static;width:100%;margin-top:20px;left:auto;bottom:auto;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:1023px){
  :root{--pad-x:26px;}
  .side-nav{display:none;}
  .page-shell{margin-left:0;padding-top:64px;}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    position:fixed;top:0;left:0;right:0;height:64px;
    padding:0 20px;
    background:var(--green);
    z-index:90;
    box-shadow:0 6px 22px rgba(14,59,46,.18);
  }
  .mobile-brand{
    font-size:16px;font-weight:900;color:#fff;letter-spacing:.01em;
  }
  .mobile-brand span{color:var(--lime);}
  .menu-toggle{
    width:44px;height:44px;border-radius:12px;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
    background:rgba(255,255,255,.10);
    transition:background .25s ease;
  }
  .menu-toggle:hover{background:rgba(198,242,78,.22);}
  .menu-toggle span{
    display:block;width:20px;height:2px;background:#fff;border-radius:2px;
    transition:transform .3s ease,opacity .3s ease;
  }
  .menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
  .menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .mobile-drawer{
    display:block;
    position:fixed;top:64px;left:0;right:0;bottom:0;
    background:var(--green);
    padding:26px 24px 40px;
    z-index:85;
    overflow-y:auto;
    transform:translateX(100%);
    opacity:0;visibility:hidden;
    transition:transform .32s cubic-bezier(.2,.8,.2,1),opacity .32s ease,visibility .32s ease;
  }
  .mobile-drawer.is-open{transform:none;opacity:1;visibility:visible;}
  .mobile-drawer a{
    display:flex;align-items:center;gap:14px;
    padding:18px 18px;border-radius:14px;
    color:rgba(255,255,255,.82);
    font-size:17px;font-weight:700;
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .mobile-drawer a i{width:22px;text-align:center;color:var(--lime);}
  .mobile-drawer a.is-active{background:rgba(198,242,78,.15);color:#fff;}
  .mobile-drawer .drawer-cta{
    margin-top:26px;justify-content:center;
    background:var(--lime);color:var(--green) !important;
    font-weight:900;border-bottom:0;
  }
  .mobile-drawer .drawer-cta i{color:var(--green);}

  .section{padding:80px 0;}
  .hero{padding:64px 0 68px;min-height:auto;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-visual .hero-img img{height:320px;}
  .section-head--split{grid-template-columns:1fr;gap:22px;align-items:start;}
  .device-wrap{grid-template-columns:1fr;gap:36px;}
  .device-media img{height:330px;}
  .faq-wrap{grid-template-columns:1fr;gap:34px;}
  .faq-aside{position:static;}
  .cta-block{padding:48px 34px;border-radius:22px;}
  .cta-inner{grid-template-columns:1fr;gap:38px;}
  .footer-bottom{justify-content:flex-start;}
}

@media (max-width:767px){
  :root{--pad-x:20px;}
  body{font-size:16px;}
  .section{padding:64px 0;}
  .check-grid{grid-template-columns:1fr;gap:16px;}
  .hero-facts{gap:26px;}
  .hero-facts strong{font-size:26px;}
  .form-grid{grid-template-columns:1fr;}
  .hero-visual .hero-img img{height:250px;}
  .device-media img{height:250px;}
  .tl-item{padding-left:70px;}
  .tl-dot{width:48px;height:48px;font-size:14px;}
  .timeline::before{left:23px;}
  .tl-body{padding:22px 22px;}
  .cta-block{padding:38px 24px;}
  .form-card{padding:26px 22px;}
  .accordion .accordion-title{padding:18px 58px 18px 16px;font-size:16px;}
  .accordion .accordion-content{padding:0 30px 20px 16px;}
  .accordion .accordion-title::before{right:14px;}
  .site-footer{padding-top:60px;}
  .to-top{right:18px;bottom:18px;width:44px;height:44px;}
}

@media (max-width:479px){
  .hero{padding:48px 0 56px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .check-card{padding:22px 20px;}
  .btn{padding:13px 22px;font-size:15.5px;}
  .mobile-brand{font-size:14.5px;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --green:#0E3B2E;
  --green-soft:#15503E;
  --lime:#C6F24E;
  --ink:#121815;
  --muted:#5F6B64;
  --sand:#F4F1EA;
  --white:#FFFFFF;
  --light:#E7EFE8;
  --line:#D5DDD5;
  --clay:#C25B44;
  --r-card:18px;
  --r-img:15px;
  --pill:999px;
  --shadow:0 12px 30px rgba(18,24,21,.08);
  --shadow-lg:0 24px 60px rgba(14,59,46,.14);
  --nav-w:104px;
  --ease:cubic-bezier(.2,.8,.2,1);
}

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

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

body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--green)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:900;letter-spacing:-.01em;line-height:1.2}

:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:6px}

.num{font-variant-numeric:tabular-nums}

.grid-container{
  max-width:1360px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

.container{
  max-width:1360px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* ============ 左侧竖向导航 ============ */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:var(--green);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:22px;
  padding:26px 12px 22px;
  z-index:80;
  border-right:1px solid rgba(198,242,78,.14);
}

.brand-mark{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:2px;
  font-size:13px;
  font-weight:800;
  line-height:1.35;
  color:#fff;
  text-align:center;
  letter-spacing:.01em;
  transition:transform .3s var(--ease);
}
.brand-mark span:last-child{color:var(--lime)}
.brand-mark:hover{transform:translateY(-2px);color:#fff}

.side-links{
  display:flex;
  flex-direction:column;
  gap:8px;
  width:100%;
  margin-top:8px;
}

.side-link{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:7px;
  padding:13px 4px;
  border-radius:14px;
  font-size:12px;
  font-weight:600;
  color:rgba(255,255,255,.72);
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.side-link i{font-size:17px}
.side-link:hover{background:rgba(198,242,78,.14);color:#fff;transform:translateY(-1px)}
.side-link.is-active{background:var(--light);color:var(--green);font-weight:800}
.side-link.is-active::before{
  content:"";
  position:absolute;
  left:-12px;
  top:50%;
  transform:translateY(-50%);
  width:4px;
  height:28px;
  border-radius:2px;
  background:var(--lime);
}

.side-cta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;
  padding:14px 6px;
  border-radius:14px;
  background:var(--lime);
  color:var(--green);
  font-size:13px;
  font-weight:800;
  text-align:center;
  line-height:1.3;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.side-cta:hover{background:#fff;color:var(--green);transform:translateY(-2px)}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid rgba(255,255,255,.3);
  border-radius:12px;
  background:transparent;
  color:#fff;
  font-size:17px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
}

/* ============ 主内容区 ============ */
.site-main{margin-left:var(--nav-w);overflow:hidden}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:min(56vh,560px);
  display:flex;
  align-items:center;
  overflow:hidden;
  background:var(--green);
}
.hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.4;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(100deg,rgba(14,59,46,.95) 0%,rgba(14,59,46,.76) 46%,rgba(14,59,46,.34) 100%),
    repeating-linear-gradient(115deg,rgba(198,242,78,.07) 0 1px,transparent 1px 96px);
}
.hero-inner{position:relative;z-index:2;padding:84px 0}
.hero h1{
  color:#fff;
  font-size:clamp(31px,4.5vw,54px);
  line-height:1.14;
  max-width:19em;
  margin:20px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{
  color:rgba(255,255,255,.86);
  font-size:17px;
  line-height:1.9;
  max-width:44em;
  margin:0 0 30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags li{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 15px;
  border-radius:var(--pill);
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.07);
  color:rgba(255,255,255,.9);
  font-size:13px;
  font-weight:600;
}
.hero-tags li::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--lime);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:14px 30px;
  border-radius:var(--pill);
  border:1.5px solid transparent;
  font-size:16px;
  font-weight:800;
  line-height:1.2;
  cursor:pointer;
  transition:transform .28s var(--ease),background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.btn i{font-size:14px;transition:transform .28s var(--ease)}
.btn-primary{background:var(--lime);color:var(--green);box-shadow:0 10px 26px rgba(198,242,78,.24)}
.btn-primary:hover{background:var(--green);color:var(--lime);transform:translateY(-2px);box-shadow:0 14px 32px rgba(14,59,46,.28)}
.btn-primary:hover i{transform:translateX(3px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-outline{border-color:var(--green);color:var(--green);background:transparent}
.btn-outline:hover{background:var(--light);color:var(--green);transform:translateY(-2px)}
.btn-block{width:100%}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:800;
  color:var(--green);
}
.text-link i{transition:transform .28s var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ============ 通用板块 ============ */
.section{padding:104px 0}
.section-tint{background:var(--white)}
.section-alt{background:var(--light)}
.section-head{max-width:740px;margin-bottom:54px}
.section-head h2{font-size:clamp(26px,3.2vw,40px);margin:16px 0 16px}
.section-head p{color:var(--muted);margin:0;font-size:17px}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 15px;
  border-radius:var(--pill);
  background:var(--light);
  color:var(--green);
  font-size:13px;
  font-weight:800;
  letter-spacing:.1em;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime)}
.eyebrow-light{background:rgba(198,242,78,.18);color:var(--lime)}

/* ============ 指标条 ============ */
.metrics{
  background:var(--white);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.metrics-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.metric{
  padding:34px 26px;
  border-left:1px solid var(--line);
}
.metric:first-child{border-left:0}
.metric strong{
  display:block;
  font-size:30px;
  font-weight:900;
  color:var(--green);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.metric span{display:block;font-size:14px;color:var(--muted);margin-top:6px}

/* ============ 渠道类型卡片 ============ */
.channel-col{display:flex;flex-direction:column;gap:30px}
.channel-col--offset{margin-top:64px}

.channel-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.channel-card:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow-lg)}
.channel-card figure{margin:0;overflow:hidden}
.channel-card img{width:100%;height:198px;object-fit:cover;transition:transform .5s var(--ease)}
.channel-card:hover img{transform:scale(1.04)}
.channel-body{padding:26px 28px 30px}
.channel-body h3{font-size:22px;margin-bottom:10px}
.channel-body p{color:var(--muted);font-size:16px;margin:0 0 18px}
.channel-list{display:flex;flex-direction:column;gap:9px;margin-bottom:20px}
.channel-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15px;
  color:var(--ink);
}
.channel-list li::before{
  content:"";
  flex:0 0 auto;
  width:7px;height:7px;
  margin-top:9px;
  border-radius:50%;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(198,242,78,.28);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:var(--pill);
  background:var(--light);
  color:var(--green);
  font-size:12.5px;
  font-weight:800;
}
.tag-clay{background:rgba(194,91,68,.12);color:var(--clay)}

/* ============ 材料清单 ============ */
.checklist{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.checklist li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px 24px;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.checklist li:hover{transform:translateY(-4px);border-color:var(--lime);box-shadow:var(--shadow)}
.checklist .check-icon{
  flex:0 0 auto;
  width:34px;height:34px;
  border-radius:50%;
  background:var(--light);
  color:var(--green);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
}
.checklist h4{font-size:16.5px;margin-bottom:5px}
.checklist p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.75}

.note-box{
  margin-top:30px;
  display:flex;
  gap:16px;
  align-items:flex-start;
  padding:24px 28px;
  border-radius:16px;
  background:var(--sand);
  border-left:4px solid var(--lime);
}
.note-box i{color:var(--green);font-size:19px;margin-top:4px}
.note-box p{margin:0;font-size:15.5px;color:var(--muted)}
.note-box strong{color:var(--ink)}

/* ============ 流程表 ============ */
.table-wrap{
  overflow-x:auto;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--white);
  box-shadow:var(--shadow);
}
.flow-table{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  margin:0;
}
.flow-table thead th{
  background:var(--green);
  color:#fff;
  font-size:14px;
  font-weight:800;
  letter-spacing:.04em;
  padding:18px 22px;
  text-align:left;
  border:0;
  white-space:nowrap;
}
.flow-table tbody td{
  padding:20px 22px;
  border-top:1px solid var(--line);
  font-size:15.5px;
  color:var(--muted);
  vertical-align:top;
}
.flow-table tbody tr:hover{background:var(--sand)}
.flow-table tbody td:first-child{
  color:var(--ink);
  font-weight:800;
  white-space:nowrap;
}
.flow-table tbody td:first-child span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;height:26px;
  margin-right:10px;
  border-radius:50%;
  background:var(--lime);
  color:var(--green);
  font-size:12.5px;
  font-weight:900;
  font-variant-numeric:tabular-nums;
}
.flow-table tbody td strong{color:var(--ink);font-weight:800}
.table-hint{display:none;margin-top:12px;font-size:13.5px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-layout{align-items:flex-start}
.faq-aside h2{font-size:clamp(26px,3.1vw,38px);margin:16px 0 16px}
.faq-aside p{color:var(--muted);margin-bottom:24px}
.faq-contact{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:16px;
  padding:24px 26px;
  box-shadow:var(--shadow);
}
.faq-contact h3{font-size:17px;margin-bottom:10px}
.faq-contact p{font-size:14.5px;color:var(--muted);margin:0 0 14px}

.faq-list{border-top:1px solid var(--line)}
.faq-item{
  position:relative;
  border-bottom:1px solid var(--line);
  padding-left:22px;
  transition:background .28s var(--ease);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  bottom:12px;
  width:3px;
  border-radius:3px;
  background:transparent;
  transition:background .28s var(--ease);
}
.faq-item.is-open::before{background:var(--lime)}
.faq-item:hover{background:rgba(231,239,232,.5)}

.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  width:100%;
  min-height:62px;
  padding:16px 4px;
  border:0;
  background:transparent;
  text-align:left;
  font-size:17.5px;
  font-weight:800;
  color:var(--ink);
  cursor:pointer;
  transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--green)}
.faq-q .faq-icon{
  flex:0 0 auto;
  width:30px;height:30px;
  border-radius:50%;
  border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  color:var(--green);
  transition:transform .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--lime);border-color:var(--lime);transform:rotate(180deg)}

.faq-a{
  max-height:0;
  opacity:0;
  overflow:hidden;
  transition:max-height .42s var(--ease),opacity .32s var(--ease);
}
.faq-item.is-open .faq-a{max-height:340px;opacity:1}
.faq-a-inner{padding:0 46px 24px 4px;color:var(--muted);font-size:15.5px;line-height:1.9}
.faq-a-inner strong{color:var(--ink)}

/* ============ CTA 区 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--green);
  border-radius:26px;
  padding:58px;
  color:#fff;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(198,242,78,.16) 0%,transparent 68%);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(26px,3.1vw,38px);margin:16px 0 16px;position:relative;z-index:2}
.cta-lead{color:rgba(255,255,255,.84);max-width:40em;position:relative;z-index:2;margin-bottom:26px}
.cta-facts{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;margin-bottom:0}
.cta-facts li{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:var(--pill);
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.2);
  font-size:13.5px;
  font-weight:600;
  color:rgba(255,255,255,.92);
}
.cta-facts li i{color:var(--lime);font-size:12px}

.form-card{
  position:relative;
  z-index:2;
  background:var(--white);
  border-radius:20px;
  padding:34px 34px 30px;
  box-shadow:0 24px 60px rgba(0,0,0,.22);
  color:var(--ink);
}
.form-card h3{font-size:20px;margin-bottom:8px}
.form-card .form-note{font-size:14px;color:var(--muted);margin:0 0 22px}
.field{margin-bottom:16px}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:800;
  color:var(--ink);
  margin-bottom:7px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:50px;
  padding:12px 16px;
  border:1.5px solid var(--line);
  border-radius:12px;
  background:var(--sand);
  font-size:15.5px;
  color:var(--ink);
  font-family:inherit;
  transition:border-color .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--green);
  background:var(--white);
  box-shadow:0 0 0 3px rgba(198,242,78,.55);
}
.field input::placeholder,
.field textarea::placeholder{color:#9AA49D}
.form-submit{margin-top:8px}
.form-privacy{
  display:flex;
  gap:9px;
  align-items:flex-start;
  margin:14px 0 0;
  font-size:12.8px;
  color:var(--muted);
  line-height:1.7;
}
.form-privacy i{color:var(--green);margin-top:4px;font-size:12px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--green);
  color:#E9EFE9;
  padding:78px 0 30px;
  margin-left:var(--nav-w);
}
.footer-brand{
  font-size:22px;
  font-weight:900;
  color:#fff;
  margin-bottom:14px;
}
.footer-lead{color:rgba(255,255,255,.7);font-size:15px;margin:0 0 20px;max-width:34em}
.site-footer h4{
  color:#fff;
  font-size:15px;
  font-weight:800;
  margin:0 0 16px;
  letter-spacing:.04em;
}
.footer-links,.footer-info{display:flex;flex-direction:column;gap:11px}
.footer-links a,.footer-info li{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-links a:hover,.footer-info a:hover{color:var(--lime)}
.footer-links a.is-active{color:var(--lime);font-weight:800}
.footer-info strong{color:#fff;font-weight:800;font-variant-numeric:tabular-nums}
.footer-bottom{
  margin-top:52px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;
  flex-wrap:wrap;
  gap:12px 26px;
  font-size:13.5px;
  color:rgba(255,255,255,.6);
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}

/* ============ 响应式 ============ */
@media screen and (max-width:1279px){
  .section{padding:88px 0}
  .cta-band{padding:48px}
  .checklist{grid-template-columns:repeat(2,1fr)}
}

@media screen and (max-width:1023.98px){
  :root{--nav-w:0px}
  .side-nav{
    width:100%;
    height:64px;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:0 18px;
    gap:12px;
    border-right:0;
    border-bottom:1px solid rgba(198,242,78,.2);
  }
  .brand-mark{flex-direction:row;gap:6px;font-size:14.5px}
  .nav-toggle{display:inline-flex}
  .side-links{
    position:fixed;
    top:64px;left:0;right:0;
    width:100%;
    margin:0;
    padding:14px 18px 24px;
    background:var(--green);
    border-bottom:1px solid rgba(198,242,78,.2);
    box-shadow:0 24px 40px rgba(0,0,0,.24);
    transform:translateY(-130%);
    transition:transform .36s var(--ease);
    z-index:79;
  }
  .side-links.is-open{transform:translateY(0)}
  .side-link{flex-direction:row;justify-content:flex-start;gap:14px;padding:14px 16px;font-size:15px;border-radius:12px}
  .side-link i{width:20px;text-align:center}
  .side-link.is-active::before{left:0;top:14px;bottom:14px;height:auto;transform:none}
  .side-cta{
    position:fixed;
    left:18px;right:18px;bottom:20px;
    width:auto;
    display:none;
    z-index:81;
    box-shadow:0 16px 34px rgba(0,0,0,.28);
  }
  .side-links.is-open ~ .side-cta{display:flex}
  .site-main{margin-left:0;padding-top:64px}
  .site-footer{margin-left:0}
  .hero{min-height:auto}
  .hero-inner{padding:64px 0}
  .section{padding:72px 0}
  .channel-col--offset{margin-top:0}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(3){border-left:0}
  .metric{border-top:1px solid var(--line)}
  .metric:nth-child(1),.metric:nth-child(2){border-top:0}
  .faq-aside{margin-bottom:34px}
}

@media screen and (max-width:767.98px){
  body{font-size:16px}
  .grid-container,.container{padding-left:20px;padding-right:20px}
  .hero-inner{padding:52px 0}
  .hero h1{font-size:clamp(28px,7.4vw,38px)}
  .hero-actions .btn{flex:1 1 auto}
  .section{padding:60px 0}
  .section-head{margin-bottom:38px}
  .checklist{grid-template-columns:1fr}
  .cta-band{padding:34px 22px;border-radius:20px}
  .form-card{padding:26px 22px 24px}
  .table-hint{display:block}
  .site-footer{padding:58px 0 24px}
  .footer-bottom{margin-top:36px}
  .faq-a-inner{padding:0 10px 22px 4px}
  .channel-card img{height:184px}
}

@media screen and (max-width:519.98px){
  .brand-mark{font-size:13.5px}
  .metrics-grid{grid-template-columns:1fr}
  .metric{border-left:0;padding:24px 4px}
  .metric:nth-child(2){border-top:1px solid var(--line)}
  .hero-actions{flex-direction:column;gap:12px}
  .hero-actions .btn,
  .btn-block{width:100%}
  .channel-body{padding:22px 20px 24px}
  .checklist li{padding:18px 18px}
  .faq-q{font-size:16px}
  .cta-facts{flex-direction:column}
  .cta-facts li{width:100%}
}