/* roulang page: index */
:root{
  --brand:#0F3D2E;
  --brand-deep:#0A2C21;
  --lime:#C8F135;
  --bg:#F6F5F1;
  --dark:#0B0F0D;
  --ink:#141614;
  --ink-2:#5A625C;
  --ink-3:#8B918C;
  --line:#E2E1DA;
  --radius-card:6px;
  --radius-pill:999px;
  --shadow-hover:0 12px 32px rgba(11,15,13,.10);
  --container:1240px;
  --gutter:clamp(20px,5vw,64px);
  --t: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(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:4px;}
a{color:inherit;text-decoration:none;}
a:hover,a:focus{color:var(--brand);}
button,input,select,textarea{font-family:inherit;font-size:1rem;}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--ink);}
h1{font-size:clamp(2.4rem,6vw,4.6rem);letter-spacing:-.04em;}
h2{font-size:clamp(1.8rem,3.6vw,2.8rem);letter-spacing:-.03em;}
h3{font-size:1.32rem;font-weight:700;}
p{margin:0 0 1.1em;}
ul{margin:0 0 1.1em;padding-left:1.1em;}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:4px;}
.container{max-width:var(--container);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter);width:100%;}
.section{padding:64px 0;}
.section-lg{padding:96px 0;}
.section-xl{padding:128px 0;}
.section-line{border-top:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:inline-block;}
.lead{font-size:17px;color:var(--ink-2);max-width:720px;}
.muted{color:var(--ink-2);}
.small{font-size:13.5px;color:var(--ink-3);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-pill);
  font-weight:700;font-size:15px;line-height:1;cursor:pointer;
  border:1px solid transparent;transition:all .25s var(--t);
  min-height:46px;text-align:center;
}
.btn-primary{background:var(--lime);color:var(--dark);border-color:var(--lime);}
.btn-primary:hover,.btn-primary:focus{background:var(--dark);color:var(--lime);border-color:var(--dark);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--ink);color:var(--bg);transform:translateY(-2px);}
.btn-ghost-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-ghost-light:hover,.btn-ghost-light:focus{background:#fff;color:var(--brand);border-color:#fff;transform:translateY(-2px);}
.btn-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand);border:0;background:none;padding:6px 0;cursor:pointer;}
.btn-link i{transition:transform .25s var(--t);}
.btn-link:hover i,.btn-link:focus i{transform:translateX(4px);}
.btn:disabled,.btn.is-loading{opacity:.55;cursor:not-allowed;transform:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,245,241,.88);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--t),border-color .3s var(--t),box-shadow .3s var(--t);
}
.site-header.is-solid{background:#F6F5F1;border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(11,15,13,.05);}
.nav-wrap{
  max-width:var(--container);margin:0 auto;padding:0 var(--gutter);
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:8px;background:var(--brand);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px;letter-spacing:-.05em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-weight:900;font-size:16px;letter-spacing:-.03em;color:var(--ink);}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.06em;}
.nav-search{
  flex:1 1 auto;max-width:560px;min-width:180px;
  display:flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:6px 8px 6px 16px;transition:border-color .25s var(--t),box-shadow .25s var(--t);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,61,46,.08);}
.nav-search i{color:var(--ink-3);font-size:14px;}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;padding:8px 4px;font-size:14.5px;color:var(--ink);min-width:0;
}
.nav-search input:focus{outline:none;}
.nav-search button{
  border:0;background:var(--brand);color:#fff;border-radius:var(--radius-pill);
  padding:9px 18px;font-size:14px;font-weight:700;cursor:pointer;transition:background .25s var(--t);white-space:nowrap;
}
.nav-search button:hover{background:var(--dark);}
.nav-links{display:flex;align-items:center;gap:20px;flex:0 0 auto;}
.nav-links a{font-size:14.5px;font-weight:600;color:var(--ink-2);position:relative;padding:4px 0;white-space:nowrap;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--t);}
.nav-links a:hover,.nav-links a:focus{color:var(--brand);}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink);font-weight:800;}
.nav-cta{flex:0 0 auto;padding:11px 20px;font-size:14px;}
.menu-toggle{
  display:none;border:1px solid var(--line);background:#fff;border-radius:10px;
  width:44px;height:44px;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);font-size:17px;
}
.mobile-drawer{
  display:none;position:fixed;inset:72px 0 0;background:var(--bg);z-index:79;
  padding:24px var(--gutter) 48px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);padding:6px 8px 6px 16px;margin-bottom:22px;}
.mobile-drawer .drawer-search input{flex:1;border:0;background:transparent;padding:9px 4px;min-width:0;}
.mobile-drawer .drawer-search input:focus{outline:none;}
.mobile-drawer .drawer-search button{border:0;background:var(--brand);color:#fff;border-radius:var(--radius-pill);padding:9px 16px;font-weight:700;cursor:pointer;}
.mobile-drawer nav{display:flex;flex-direction:column;gap:2px;margin-bottom:24px;}
.mobile-drawer nav a{
  padding:15px 4px;border-bottom:1px solid var(--line);
  font-size:16.5px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;
}
.mobile-drawer nav a span.tagline{font-size:12.5px;font-weight:500;color:var(--ink-3);}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--brand);color:#fff;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.30;
}
.hero-mask{position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,44,33,.94) 8%,rgba(11,15,13,.72) 62%,rgba(11,15,13,.55) 100%);}
.hero-inner{position:relative;z-index:2;padding:clamp(64px,9vw,120px) 0 0;}
.hero h1{color:#fff;max-width:16em;}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{font-size:clamp(1.02rem,1.6vw,1.22rem);color:rgba(255,255,255,.86);max-width:44em;margin:20px 0 30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px;}
.hero-badge{
  font-size:13px;padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(200,241,53,.45);color:var(--lime);background:rgba(200,241,53,.08);
}
.hero-stats{
  position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.16);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.hero-stat{padding:22px 20px 26px;border-right:1px solid rgba(255,255,255,.12);}
.hero-stat:last-child{border-right:0;}
.hero-stat b{display:block;font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:900;color:#fff;letter-spacing:-.03em;line-height:1.1;}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.68);}

/* ---------- 通用板块头 ---------- */
.block-head{max-width:760px;margin-bottom:44px;}
.block-head h2{margin-bottom:14px;}
.block-head p{color:var(--ink-2);margin:0;}

/* ---------- 卖点错位块 ---------- */
.feature-row{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(20px,3vw,44px);align-items:center;margin-bottom:56px;}
.feature-row.reverse{grid-template-columns:.85fr 1.15fr;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:#fff;}
.feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.feature-body h3{margin-bottom:12px;}
.feature-body p{color:var(--ink-2);}
.feature-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px;}
.feature-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);}
.feature-list li i{color:var(--brand);margin-top:6px;font-size:12px;}
.feature-mini{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.mini-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;transition:transform .3s var(--t),box-shadow .3s var(--t),border-color .3s var(--t);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand);}
.mini-card .num{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.1em;margin-bottom:12px;display:block;}
.mini-card h4{font-size:1.08rem;margin-bottom:8px;}
.mini-card p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ---------- 步骤 ---------- */
.step-track{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:8px;}
.step-track::before{content:"";position:absolute;top:27px;left:6%;right:6%;height:1px;background:var(--line);}
.step{position:relative;padding:0 20px;text-align:left;}
.step-no{
  width:54px;height:54px;border-radius:50%;background:var(--bg);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-weight:900;color:var(--brand);
  font-size:15px;margin-bottom:18px;position:relative;z-index:2;transition:.3s var(--t);
}
.step:hover .step-no{background:var(--lime);border-color:var(--lime);color:var(--dark);}
.step h4{font-size:1.05rem;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-2);margin:0;}
.demo-shot{margin-top:52px;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:#fff;}
.demo-shot img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.demo-shot figcaption{font-size:13.5px;color:var(--ink-3);padding:14px 20px;border-top:1px solid var(--line);}

/* ---------- 证据 ---------- */
.proof-band{background:var(--dark);color:#fff;}
.proof-band h2{color:#fff;}
.proof-band .lead{color:rgba(255,255,255,.72);}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-card);overflow:hidden;margin:44px 0;}
.proof-cell{background:var(--dark);padding:32px 24px;}
.proof-cell b{display:block;font-size:clamp(1.9rem,3.4vw,2.6rem);font-weight:900;color:var(--lime);letter-spacing:-.03em;line-height:1.1;}
.proof-cell span{font-size:13.5px;color:rgba(255,255,255,.62);}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.quote-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-card);padding:24px;}
.quote-card p{font-size:15px;color:rgba(255,255,255,.9);margin-bottom:16px;}
.quote-card .who{font-size:13px;color:rgba(255,255,255,.55);}
.quote-card .star{color:var(--lime);font-size:12px;margin-bottom:10px;letter-spacing:2px;}

/* ---------- 方案对比 ---------- */
.compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;}
table.compare{width:100%;border-collapse:collapse;min-width:680px;}
table.compare th,table.compare td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top;}
table.compare thead th{background:#fff;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-weight:800;}
table.compare tbody tr:nth-child(even){background:#FBFAF7;}
table.compare td.yes{color:var(--brand);font-weight:700;}
table.compare td.no{color:var(--ink-3);}
table.compare th.reco{position:relative;color:var(--brand);}
.badge-reco{
  display:inline-block;background:var(--lime);color:var(--dark);font-size:11.5px;font-weight:800;
  border-radius:var(--radius-pill);padding:3px 10px;margin-left:8px;letter-spacing:.04em;
}
.plan-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px;}
.plan-card{border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;background:#fff;transition:.3s var(--t);}
.plan-card:hover{border-color:var(--brand);box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.plan-card h4{font-size:1.15rem;margin-bottom:6px;}
.plan-card .price{font-size:1.9rem;font-weight:900;color:var(--brand);letter-spacing:-.03em;margin:6px 0 12px;}
.plan-card .price small{font-size:13px;color:var(--ink-3);font-weight:600;margin-left:6px;letter-spacing:0;}
.plan-card ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;}
.plan-card ul li{font-size:14.5px;color:var(--ink-2);display:flex;gap:8px;}
.plan-card ul li i{color:var(--brand);margin-top:6px;font-size:12px;}

/* ---------- CMS 列表 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .3s var(--t),box-shadow .3s var(--t),border-color .3s var(--t);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand);}
.post-card .thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-card .meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:13px;color:var(--ink-3);}
.tag{
  display:inline-block;background:rgba(15,61,46,.07);color:var(--brand);
  font-size:12.5px;font-weight:700;border-radius:6px;padding:3px 9px;
}
.post-card h3{font-size:1.06rem;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card h3 a{color:var(--ink);}
.post-card h3 a:hover{color:var(--brand);}
.post-card .excerpt{
  font-size:14.5px;color:var(--ink-2);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}
.post-card .foot .btn-link{font-size:13.5px;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;
  padding:48px 24px;text-align:center;color:var(--ink-2);
}
.empty-state i{font-size:22px;color:var(--ink-3);display:block;margin-bottom:12px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;transition:border-color .3s var(--t);}
.faq-item[open]{border-color:var(--brand);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;gap:16px;
  font-weight:700;font-size:1.02rem;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--lime);
  opacity:0;transition:opacity .25s var(--t);
}
.faq-item[open] summary::before{opacity:1;}
.faq-no{font-size:13px;font-weight:800;color:var(--ink-3);letter-spacing:.08em;min-width:26px;}
.faq-q{flex:1 1 auto;}
.faq-icon{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--line);flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--ink-2);transition:.25s var(--t);
}
.faq-item[open] .faq-icon{background:var(--lime);border-color:var(--lime);color:var(--dark);transform:rotate(45deg);}
.faq-a{padding:0 24px 22px 66px;color:var(--ink-2);font-size:15.5px;line-height:1.9;}

/* ---------- CTA + 表单 ---------- */
.cta-panel{
  background:var(--brand);color:#fff;border-radius:10px;overflow:hidden;position:relative;
  padding:clamp(32px,5vw,60px);
}
.cta-panel .panel-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.18;}
.cta-panel .panel-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,56px);align-items:start;}
.cta-panel h2{color:#fff;}
.cta-panel p{color:rgba(255,255,255,.82);}
.cta-points{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.88);}
.cta-points li i{color:var(--lime);margin-top:6px;font-size:12px;}
.form-card{background:#fff;border-radius:8px;padding:26px;color:var(--ink);}
.form-card h3{font-size:1.15rem;margin-bottom:6px;}
.form-card .hint{font-size:13.5px;color:var(--ink-3);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:7px;}
.field input,.field select{
  width:100%;border:1px solid var(--line);border-radius:6px;padding:12px 14px;background:#fff;
  transition:border-color .25s var(--t),background .25s var(--t);
}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand);background:#FBFBF8;}
.field .err{font-size:13px;color:#B23A2E;min-height:18px;line-height:18px;display:block;margin-top:5px;}
.form-card .btn{width:100%;margin-top:6px;}
.form-note{font-size:12.5px;color:var(--ink-3);margin:12px 0 0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.5);}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;}
.site-footer p{font-size:14.5px;color:rgba(255,255,255,.66);}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.site-footer ul a{font-size:14.5px;color:rgba(255,255,255,.72);}
.site-footer ul a:hover,.site-footer ul a:focus{color:var(--lime);}
.footer-bottom{padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);}
.footer-bottom a{color:rgba(255,255,255,.7);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:clamp(16px,3vw,40px);bottom:clamp(20px,3vw,36px);z-index:90;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--lime);color:var(--dark);font-weight:800;font-size:15px;
  padding:14px 24px;border-radius:var(--radius-pill);
  box-shadow:0 12px 30px rgba(11,15,13,.22);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .35s var(--t),transform .35s var(--t),visibility .35s var(--t),background .25s var(--t);
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--dark);color:var(--lime);transform:translateY(-2px);}
.float-cta .float-close{display:none;}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--t),transform .5s var(--t);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1180px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .menu-toggle{display:inline-flex;}
}
@media screen and (max-width:1023px){
  .hero-inner{padding-top:56px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);}
  .hero-stat{border-bottom:1px solid rgba(255,255,255,.12);}
  .hero-stat:nth-child(2n){border-right:0;}
  .feature-row,.feature-row.reverse{grid-template-columns:1fr;}
  .feature-row.reverse .feature-media{order:0;}
  .feature-mini{grid-template-columns:1fr;}
  .step-track{grid-template-columns:repeat(2,1fr);gap:28px;}
  .step-track::before{display:none;}
  .proof-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-panel .panel-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .plan-cards{grid-template-columns:1fr;}
}
@media screen and (max-width:640px){
  .section{padding:52px 0;}
  .section-lg{padding:64px 0;}
  .section-xl{padding:76px 0;}
  .brand-sub{display:none;}
  .nav-search{display:none;}
  .card-grid{grid-template-columns:1fr;}
  .step-track{grid-template-columns:1fr;}
  .proof-grid{grid-template-columns:1fr;}
  .faq-a{padding-left:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .float-cta{
    left:12px;right:12px;bottom:0;border-radius:14px 14px 0 0;
    justify-content:space-between;padding:14px 18px calc(14px + env(safe-area-inset-bottom));
  }
  .float-cta .float-close{
    display:inline-flex;align-items:center;justify-content:center;
    width:32px;height:32px;border-radius:50%;background:rgba(11,15,13,.12);border:0;color:var(--dark);cursor:pointer;
  }
  table.compare{min-width:560px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --green:#0F3D2E;
  --green-deep:#0B2A20;
  --lime:#C8F135;
  --bg:#F6F5F1;
  --dark:#0B0F0D;
  --text:#141614;
  --text-2:#5A625C;
  --text-3:#8B918C;
  --line:#E2E1DA;
  --card:#FFFFFF;
  --radius:6px;
  --radius-pill:999px;
  --shadow-hover:0 12px 32px rgba(11,15,13,.10);
  --shadow-soft:0 6px 18px rgba(11,15,13,.06);
  --container:1240px;
  --gutter:clamp(20px,5vw,64px);
  --ease:cubic-bezier(.2,.7,.2,1);
  --nav-h:72px;
}
*,*::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:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--green);outline-offset:3px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.03em;line-height:1.22;color:var(--text);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
input,textarea{font-family:inherit;font-size:15px;color:var(--text);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-divider{border-top:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--text-3);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:inline-block;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(1.8rem,3.6vw,2.8rem);}
.section-head p{color:var(--text-2);font-size:16.5px;margin-top:14px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;letter-spacing:-.01em;
  transition:transform .25s var(--ease),background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--dark);}
.btn-primary:hover{background:var(--dark);color:var(--lime);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--text);}
.btn-ghost:hover{background:var(--text);color:var(--bg);transform:translateY(-2px);}
.btn-link{background:none;color:var(--green);font-weight:700;padding:0;min-height:auto;gap:6px;}
.btn-link i{transition:transform .25s var(--ease);}
.btn-link:hover i{transform:translateX(4px);}

/* ---------- 顶部导航 ---------- */
.progress-bar{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:var(--lime);z-index:1400;transition:width .12s linear;
}
.site-header{
  position:sticky;top:0;z-index:1200;
  background:rgba(246,245,241,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease),background-color .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(246,245,241,.99);box-shadow:0 8px 24px rgba(11,15,13,.07);}
.nav-wrap{
  max-width:var(--container);margin:0 auto;
  padding:0 var(--gutter);
  min-height:var(--nav-h);
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:10px;flex:0 0 auto;
  background:var(--green);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:18px;letter-spacing:-.05em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:16px;font-weight:900;letter-spacing:-.03em;}
.brand-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.08em;}
.nav-search{
  flex:1 1 auto;max-width:560px;min-width:220px;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 6px 0 18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-search:focus-within{border-color:var(--green);box-shadow:0 0 0 4px rgba(15,61,46,.07);}
.nav-search i{color:var(--text-3);font-size:14px;}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;height:100%;min-width:0;
  font-size:14.5px;outline:none;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  height:34px;padding:0 18px;border-radius:var(--radius-pill);
  background:var(--green);color:#fff;font-size:13.5px;font-weight:700;
  transition:background-color .25s var(--ease),color .25s var(--ease);
}
.nav-search button:hover{background:var(--dark);color:var(--lime);}
.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-links a{
  position:relative;font-size:14.5px;font-weight:600;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--text);font-weight:800;}
.nav-cta{flex:0 0 auto;min-height:42px;padding:0 20px;font-size:14px;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);font-size:17px;color:var(--text);
  align-items:center;justify-content:center;
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:1300;background:var(--bg);
  padding:24px var(--gutter) 40px;
  transform:translateX(100%);opacity:0;visibility:hidden;
  transition:transform .35s var(--ease),opacity .3s var(--ease),visibility .3s;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);opacity:1;visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;font-size:18px;}
.drawer-search{display:flex;align-items:center;gap:10px;height:48px;padding:0 8px 0 18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-pill);margin-bottom:24px;}
.drawer-search input{flex:1;border:0;background:transparent;height:100%;outline:none;font-size:15px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;border-bottom:1px solid var(--line);
  font-size:17px;font-weight:700;letter-spacing:-.02em;
}
.drawer-nav a i{color:var(--text-3);font-size:13px;}
.drawer-nav a.is-active{color:var(--green);}
.drawer-nav a.is-active i{color:var(--green);}
.drawer-cta{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.drawer-cta .btn{width:100%;}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;color:#fff;overflow:hidden;
  padding:64px 0 72px;
  background-image:linear-gradient(120deg,rgba(11,15,13,.92),rgba(15,61,46,.86)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,241,53,.16),transparent 68%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:1;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:22px;}
.crumbs a{color:rgba(255,255,255,.78);}
.crumbs a:hover{color:var(--lime);}
.crumbs span.sep{color:rgba(255,255,255,.32);}
.crumbs .current{color:rgba(255,255,255,.92);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  color:#fff;font-size:clamp(2rem,4.4vw,3.4rem);
  letter-spacing:-.04em;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:26px;font-size:13.5px;color:rgba(255,255,255,.7);}
.article-meta .badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--radius-pill);
  background:var(--lime);color:var(--dark);font-weight:800;font-size:12.5px;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-hero-lead{margin-top:20px;max-width:720px;font-size:16px;color:rgba(255,255,255,.78);}

/* ---------- 正文区 ---------- */
.article-main{padding:64px 0 0;}
.article-layout{align-items:flex-start;}
.article-panel{
  background:var(--card);border:1px solid var(--line);border-radius:8px;
  padding:clamp(24px,4vw,54px);
}
.article-body{max-width:800px;font-size:17px;line-height:1.85;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;color:#2A2E2B;}
.article-body h2{
  font-size:clamp(1.5rem,2.6vw,1.9rem);
  margin:2.2em 0 .8em;padding-left:16px;
  border-left:3px solid var(--lime);
  letter-spacing:-.03em;
}
.article-body h3{
  font-size:1.25rem;margin:1.8em 0 .7em;color:var(--green);letter-spacing:-.02em;
}
.article-body h4{font-size:1.05rem;margin:1.5em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:4px;}
.article-body ul li{position:relative;padding-left:24px;margin-bottom:.6em;color:#2A2E2B;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:8px;height:8px;border-radius:2px;background:var(--green);
  transform:rotate(45deg);opacity:.85;
}
.article-body ol{counter-reset:li;}
.article-body ol li{position:relative;padding-left:38px;margin-bottom:.6em;counter-increment:li;color:#2A2E2B;}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:.05em;
  font-size:13px;font-weight:800;color:var(--green);letter-spacing:.02em;
}
.article-body blockquote{
  margin:1.6em 0;padding:6px 0 6px 20px;
  border-left:3px solid var(--green);
  color:var(--text-2);font-size:16.5px;
  background:rgba(15,61,46,.03);
  border-radius:0 6px 6px 0;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:4px;margin:1.6em 0;border:1px solid var(--line);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--green);border-bottom:1px solid rgba(15,61,46,.32);}
.article-body a:hover{color:var(--dark);border-bottom-color:var(--lime);}
.article-body table{
  width:100%;display:block;overflow-x:auto;
  border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:6px;
}
.article-body thead{background:rgba(15,61,46,.06);}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;}
.article-body tbody tr:nth-child(even){background:rgba(226,225,218,.26);}
.article-body code{
  background:rgba(15,61,46,.07);padding:2px 7px;border-radius:4px;font-size:14px;
  font-family:ui-monospace,Menlo,Consolas,monospace;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}

.article-empty{
  border:1px dashed var(--line);border-radius:8px;
  padding:56px 32px;text-align:center;background:#fff;
}
.article-empty h2{font-size:1.6rem;margin-bottom:12px;}
.article-empty p{color:var(--text-2);margin-bottom:24px;}

.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(15,61,46,.06);color:var(--green);
  font-size:13px;font-weight:700;
  transition:background-color .25s var(--ease),color .25s var(--ease);
}
.tag:hover{background:var(--green);color:#fff;}
.article-back{display:flex;flex-wrap:wrap;gap:18px;align-items:center;margin-top:28px;}

/* ---------- 目录 ---------- */
.toc-aside{position:sticky;top:calc(var(--nav-h) + 24px);}
.toc{
  background:#fff;border:1px solid var(--line);border-radius:8px;
  padding:22px 22px 18px;
}
.toc h3{font-size:14px;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase;margin-bottom:14px;font-weight:800;}
.toc ul{display:flex;flex-direction:column;gap:2px;}
.toc a{
  display:block;padding:8px 10px;border-left:2px solid transparent;
  font-size:14px;color:var(--text-2);line-height:1.55;border-radius:0 6px 6px 0;
}
.toc a:hover{color:var(--text);background:rgba(15,61,46,.04);}
.toc a.is-current{color:var(--green);font-weight:800;border-left-color:var(--lime);background:rgba(200,241,53,.14);}
.toc-sub{padding-left:12px !important;font-size:13.2px !important;}
.toc-fallback{font-size:13.5px;color:var(--text-3);background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px;margin-bottom:24px;}

/* ---------- 相关推荐 ---------- */
.card-grid{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr));}
.card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--green);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--line);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .hot{
  position:absolute;left:12px;top:12px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--lime);color:var(--dark);font-size:12px;font-weight:800;
}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body .kicker{font-size:12.5px;font-weight:800;color:var(--green);letter-spacing:.04em;}
.card-body h3{font-size:1.1rem;line-height:1.45;letter-spacing:-.02em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14.5px;color:var(--text-2);margin:0;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.card-meta i{color:var(--green);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;gap:18px;
  padding:24px 0;text-align:left;font-size:17px;font-weight:800;letter-spacing:-.02em;
  color:var(--text);transition:color .25s var(--ease);
}
.faq-q:hover{color:var(--green);}
.faq-num{font-size:13px;font-weight:800;color:var(--text-3);min-width:24px;padding-top:4px;}
.faq-label{flex:1;}
.faq-icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--text-2);transition:transform .3s var(--ease),background-color .3s var(--ease),color .3s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--green);color:#fff;border-color:var(--green);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s var(--ease);}
.faq-a-inner{padding:0 0 26px 42px;color:var(--text-2);font-size:16px;}
.faq-item.is-open{border-bottom-color:var(--green);}
.faq-item.is-open .faq-q{border-left:3px solid var(--lime);padding-left:16px;}
.faq-item.is-open .faq-q .faq-num{padding-left:0;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--green);color:#fff;border-radius:10px;
  padding:clamp(32px,5vw,64px);
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:300px;height:300px;
  border-radius:50%;background:radial-gradient(circle,rgba(200,241,53,.2),transparent 70%);
}
.cta-band h2{color:#fff;font-size:clamp(1.7rem,3vw,2.4rem);position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.82);margin-top:16px;font-size:16px;position:relative;z-index:1;}
.cta-form{position:relative;z-index:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);border-radius:8px;padding:26px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:rgba(255,255,255,.86);margin-bottom:8px;}
.field input{
  width:100%;height:48px;padding:0 16px;border-radius:6px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.96);color:var(--text);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.field input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 4px rgba(200,241,53,.18);}
.field-hint{font-size:13px;color:rgba(255,255,255,.62);margin-top:8px;min-height:18px;}
.cta-form .btn{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:.08em;margin-bottom:18px;text-transform:uppercase;font-weight:800;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
.site-footer ul{display:flex;flex-direction:column;gap:11px;}
.site-footer ul a{font-size:14px;color:rgba(255,255,255,.68);}
.site-footer ul a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:52px;padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:32px;bottom:32px;z-index:1100;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta .btn{box-shadow:0 12px 30px rgba(11,15,13,.22);}
.float-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1150;
  background:rgba(11,15,13,.96);border-top:1px solid rgba(255,255,255,.12);
  padding:12px 16px calc(12px + env(safe-area-inset-bottom));
  align-items:center;gap:12px;
  transform:translateY(110%);transition:transform .35s var(--ease);
}
.float-bar.is-visible{transform:translateY(0);}
.float-bar .btn{flex:1;}
.float-bar .bar-close{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.24);
  color:#fff;display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .nav-links{gap:16px;}
  .nav-links a{font-size:14px;}
}
@media screen and (max-width:1023px){
  .nav-links,.nav-cta{display:none;}
  .menu-toggle{display:flex;}
  .nav-wrap{min-height:64px;padding-top:10px;padding-bottom:10px;gap:14px;}
  .nav-search{order:3;flex:1 1 100%;max-width:100%;margin-bottom:8px;}
  .brand{margin-right:auto;}
  .article-hero{padding:44px 0 52px;}
  .section{padding:72px 0;}
  .cta-band{grid-template-columns:1fr;gap:32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .float-cta{display:none;}
  .float-bar{display:flex;}
}
@media screen and (max-width:767px){
  body{font-size:15.5px;}
  .article-body{font-size:16px;}
  .article-panel{padding:22px 18px;}
  .article-main{padding:40px 0 0;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .crumbs .current{max-width:200px;}
  .article-meta{gap:8px 16px;}
  .faq-a-inner{padding-left:24px;}
  .faq-item.is-open .faq-q{padding-left:12px;}
}
@media screen and (max-width:519px){
  .section{padding:56px 0;}
  .article-hero h1{font-size:1.85rem;}
  .cta-form{padding:20px 16px;}
  .site-footer{padding-top:56px;}
}

/* roulang page: category1 */
:root{
  --brand:#0F3D2E;
  --brand-soft:#155742;
  --lime:#C8F135;
  --bg:#F6F5F1;
  --dark:#0B0F0D;
  --ink:#141614;
  --ink-2:#5A625C;
  --ink-3:#8B918C;
  --line:#E2E1DA;
  --card:#FFFFFF;
  --r-card:6px;
  --r-pill:999px;
  --sh-hover:0 12px 32px rgba(11,15,13,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sp:clamp(20px,5vw,64px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.03em;line-height:1.2;color:var(--ink)}
p{margin:0}
button{font-family:inherit}
input,select{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:var(--sp);padding-right:var(--sp)}
.section{padding:clamp(56px,8vw,96px) 0;scroll-margin-top:96px}
.section--tight{padding:clamp(44px,6vw,72px) 0}
.section--line{border-top:1px solid var(--line)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);display:inline-block}
.section-head{margin-bottom:clamp(28px,4vw,48px);max-width:720px}
.section-head h2{font-size:clamp(1.8rem,3.6vw,2.8rem);margin:14px 0 14px}
.section-head p{color:var(--ink-2);font-size:16px}
.muted{color:var(--ink-2)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;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-primary{background:var(--lime);color:var(--dark);border-color:var(--lime)}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--dark);color:var(--lime);border-color:var(--dark);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover,.btn-outline:focus-visible{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#EDF1ED;border-color:rgba(237,241,237,.38)}
.btn-ghost:hover,.btn-ghost:focus-visible{background:#EDF1ED;color:var(--dark);border-color:#EDF1ED;transform:translateY(-2px)}
.btn-link{padding:0;min-height:auto;background:none;border:0;color:var(--brand);font-weight:700}
.btn-link i{transition:transform .25s var(--ease)}
.btn-link:hover i{transform:translateX(4px)}
.btn-block{width:100%}
.btn:disabled,.btn.is-loading{opacity:.55;cursor:not-allowed;transform:none}

.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:4px;background:#EDF2EC;color:var(--brand);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,245,241,.86);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{background:#F6F5F1;border-bottom-color:var(--line)}
.nav-wrap{
  display:flex;align-items:center;gap:18px;
  max-width:1240px;margin:0 auto;height:72px;
  padding-left:var(--sp);padding-right:var(--sp);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:8px;
  background:var(--brand);color:var(--lime);font-weight:900;font-size:14px;letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-name{font-weight:900;font-size:15px;letter-spacing:-.03em;color:var(--ink);white-space:nowrap}
.brand-sub{font-size:10.5px;color:var(--ink-3);letter-spacing:.08em;white-space:nowrap}
.nav-search{
  flex:1 1 auto;max-width:560px;min-width:180px;
  display:flex;align-items:center;gap:10px;height:44px;
  padding:0 6px 0 16px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,61,46,.09)}
.nav-search i{color:var(--ink-3);font-size:14px;flex:0 0 auto}
.nav-search input{
  flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;
  font-size:14.5px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{
  flex:0 0 auto;height:34px;padding:0 16px;border:0;border-radius:var(--r-pill);
  background:var(--dark);color:#fff;font-size:13.5px;font-weight:700;cursor:pointer;
  transition:background .25s var(--ease);
}
.nav-search button:hover{background:var(--brand)}
.nav-links{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.nav-links a{
  position:relative;font-size:14px;font-weight:600;color:var(--ink-2);
  padding:6px 0;transition:color .25s var(--ease);white-space:nowrap;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.is-active{color:var(--ink)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--lime);
}
.nav-cta{height:42px;padding:0 20px;font-size:14px}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  cursor:pointer;place-items:center;font-size:16px;
}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#EDF1ED;
  background:var(--dark);
  padding:clamp(52px,8vw,100px) 0 0;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.22;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(105deg,rgba(11,15,13,.95) 0%,rgba(11,15,13,.78) 52%,rgba(15,61,46,.72) 100%);
}
.hero-inner{position:relative;z-index:2}
.hero .eyebrow{color:var(--lime)}
.hero h1{
  color:#fff;
  font-size:clamp(2.2rem,5vw,4rem);
  font-weight:900;letter-spacing:-.035em;line-height:1.16;
  margin:18px 0 0;
}
.hero-sub{
  color:rgba(237,241,237,.8);
  font-size:clamp(15.5px,1.6vw,18px);
  max-width:560px;margin:20px 0 32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-figure{
  margin:0;border:1px solid rgba(237,241,237,.16);border-radius:var(--r-card);
  overflow:hidden;background:rgba(255,255,255,.04);
}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-figure figcaption{
  font-size:12.5px;color:rgba(237,241,237,.55);padding:10px 14px;
  border-top:1px solid rgba(237,241,237,.1);
}
.stat-strip{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:clamp(40px,6vw,72px);
  border-top:1px solid rgba(246,245,241,.14);
}
.stat-strip li{padding:22px 18px 26px;border-right:1px solid rgba(246,245,241,.1)}
.stat-strip li:last-child{border-right:0}
.stat-strip strong{
  display:block;color:var(--lime);font-weight:900;
  font-size:clamp(26px,3vw,34px);letter-spacing:-.03em;line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat-strip span{font-size:13px;color:rgba(237,241,237,.62);letter-spacing:.02em}

/* ---------- layout ---------- */
.page-grid{margin-top:clamp(40px,6vw,72px)}
.page-main{min-width:0}
.side-nav{min-width:0}
.anchor-nav{
  position:sticky;top:104px;
  border-left:1px solid var(--line);
  padding-left:18px;
}
.anchor-title{
  font-size:11.5px;font-weight:800;letter-spacing:.16em;color:var(--ink-3);
  margin-bottom:10px;
}
.anchor-nav a{
  position:relative;display:block;
  padding:7px 0 7px 0;
  font-size:14px;color:var(--ink-2);
  transition:color .25s var(--ease);
}
.anchor-nav a::before{
  content:"";position:absolute;left:-19px;top:50%;transform:translateY(-50%);
  width:2px;height:0;background:var(--lime);transition:height .25s var(--ease);
}
.anchor-nav a:hover{color:var(--ink)}
.anchor-nav a.is-current{color:var(--ink);font-weight:700}
.anchor-nav a.is-current::before{height:22px}

/* ---------- steps ---------- */
.step-rail{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);
  align-items:center;margin:0 0 -8px;
}
.step-rail::before{
  content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line);
}
.step-rail i{
  position:relative;justify-self:center;
  width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--brand);
}
.step-rail i:first-child{background:var(--lime)}
.step-card{
  height:100%;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px 24px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--brand)}
.step-no{
  font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:1.22rem;margin:12px 0 10px}
.step-card p{font-size:14.8px;color:var(--ink-2);line-height:1.8}
.step-card .step-note{
  display:block;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--ink-3);
}

/* ---------- feature block ---------- */
.feature-figure{margin:0}
.feature-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-card);border:1px solid var(--line);
}
.feature-figure figcaption{font-size:12.5px;color:var(--ink-3);margin-top:10px}
.check-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);
  font-size:15.5px;color:var(--ink-2);line-height:1.8;
}
.check-list li:last-child{border-bottom:0}
.check-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:10px;
  background:var(--lime);border:1px solid var(--brand);border-radius:2px;
}
.check-list strong{color:var(--ink);font-weight:700}

/* ---------- issue list ---------- */
.issue-list li{
  display:grid;grid-template-columns:118px 1fr;gap:24px;
  padding:26px 0;border-top:1px solid var(--line);align-items:start;
}
.issue-list li:last-child{border-bottom:1px solid var(--line)}
.issue-list h3{font-size:1.16rem;margin-bottom:8px}
.issue-list p{font-size:15px;color:var(--ink-2)}
.issue-tag{
  display:inline-flex;align-items:center;justify-content:center;
  height:28px;padding:0 12px;border-radius:4px;
  background:var(--brand);color:var(--lime);
  font-size:12px;font-weight:800;letter-spacing:.08em;
  font-variant-numeric:tabular-nums;
}

/* ---------- faq ---------- */
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover{border-color:var(--brand)}
.faq-item summary{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 20px;cursor:pointer;list-style:none;
  font-weight:700;font-size:16.5px;line-height:1.6;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-no{
  flex:0 0 auto;font-size:12.5px;font-weight:800;letter-spacing:.1em;
  color:var(--ink-3);padding-top:5px;font-variant-numeric:tabular-nums;
}
.faq-item summary::after{
  content:"+";margin-left:auto;flex:0 0 auto;font-size:19px;font-weight:700;
  color:var(--brand);line-height:1.2;
}
.faq-item[open] summary::after{content:"–"}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--lime)}
.faq-body{
  padding:0 22px 22px 52px;
  color:var(--ink-2);font-size:15.5px;line-height:1.9;
}

/* ---------- cta ---------- */
.cta-section{background:var(--dark);color:#EDF1ED}
.cta-panel{
  border:1px solid rgba(237,241,237,.14);
  border-radius:var(--r-card);
  padding:clamp(26px,4vw,48px);
  background:linear-gradient(120deg,rgba(15,61,46,.55),rgba(11,15,13,.2));
}
.cta-panel h2{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem);margin-bottom:14px}
.cta-panel p{color:rgba(237,241,237,.74);font-size:15.5px}
.cta-points{margin-top:22px}
.cta-points li{
  position:relative;padding-left:20px;margin-bottom:10px;
  font-size:14.5px;color:rgba(237,241,237,.8);
}
.cta-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:2px;background:var(--lime);
}
.cta-form{margin-top:8px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13px;color:rgba(237,241,237,.7);letter-spacing:.02em}
.field input,.field select{
  height:50px;padding:0 16px;border-radius:var(--r-card);
  border:1px solid rgba(237,241,237,.22);background:#fff;color:var(--ink);
  font-size:15px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,241,53,.25);
}
.field input.is-error,.field select.is-error{border-color:#D9534F}
.field-hint{min-height:18px;font-size:13px;color:rgba(237,241,237,.6)}
.field-hint.is-error{color:#F2B5B3}
.form-note{
  margin-top:14px;font-size:13px;color:rgba(237,241,237,.55);line-height:1.8;
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--dark);color:rgba(237,241,237,.72);
  padding:72px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(246,245,241,.12);
}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:rgba(237,241,237,.55)}
.site-footer h4{
  font-size:14px;color:#EDF1ED;margin:0 0 16px;font-weight:700;letter-spacing:.06em;
}
.site-footer ul li{margin-bottom:10px}
.site-footer a{color:rgba(237,241,237,.72);font-size:14px;transition:color .25s var(--ease)}
.site-footer a:hover{color:var(--lime)}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(237,241,237,.62)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  padding-top:22px;font-size:13px;color:rgba(237,241,237,.5);
}
.footer-bottom a{color:rgba(237,241,237,.72);font-size:13px}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:60;
  display:flex;align-items:center;gap:8px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:none}
.float-cta.is-away{opacity:0;visibility:hidden;pointer-events:none}
.float-close{display:none}

/* ---------- reveal ---------- */
html.js .reveal{
  opacity:0;transform:translateY(12px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
html.js .reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .nav-cta{display:none}
}
@media (max-width:1199px){
  .nav-links{gap:16px}
  .nav-links a{font-size:13.2px}
}
@media (max-width:1023px){
  .nav-wrap{height:auto;flex-wrap:wrap;row-gap:12px;padding-top:12px;padding-bottom:12px}
  .brand{order:1}
  .menu-toggle{order:2;display:grid;margin-left:auto}
  .nav-search{order:3;flex:0 0 100%;max-width:none;min-width:0}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--dark);padding:88px 26px 40px;
    transform:translateX(102%);transition:transform .38s var(--ease);
    z-index:70;box-shadow:-20px 0 44px rgba(11,15,13,.28);overflow-y:auto;
  }
  .nav-links a{
    font-size:17px;color:#E9EDE9;font-weight:600;
    padding:15px 0;border-bottom:1px solid rgba(246,245,241,.08);
  }
  .nav-links a.is-active{color:var(--lime)}
  .nav-links a.is-active::after{display:none}
  body.menu-open .nav-links{transform:none}
  body.menu-open::before{
    content:"";position:fixed;inset:0;background:rgba(11,15,13,.48);z-index:65;
  }
  .page-grid{display:flex;flex-direction:column}
  .side-nav{order:-1;margin-bottom:26px}
  .anchor-nav{
    position:static;border-left:0;border-top:1px solid var(--line);
    padding:14px 0 0;display:flex;gap:10px;overflow-x:auto;
  }
  .anchor-title{display:none}
  .anchor-nav a{
    flex:0 0 auto;padding:8px 15px;border:1px solid var(--line);
    border-radius:var(--r-pill);background:#fff;font-size:13.5px;
  }
  .anchor-nav a::before{display:none}
  .anchor-nav a.is-current{border-color:var(--brand);background:var(--brand);color:#fff}
  .step-rail{display:none}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-strip li{border-bottom:1px solid rgba(246,245,241,.1)}
  .stat-strip li:nth-child(2n){border-right:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .float-cta{
    left:0;right:0;bottom:0;gap:10px;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    background:#fff;border-top:1px solid var(--line);
    transform:translateY(110%);
    box-shadow:0 -8px 24px rgba(11,15,13,.08);
  }
  .float-cta.is-visible{transform:none}
  .float-cta .btn{flex:1 1 auto;height:46px;min-height:46px}
  .float-close{
    display:grid;place-items:center;flex:0 0 auto;
    width:46px;height:46px;border-radius:var(--r-pill);
    border:1px solid var(--line);background:#fff;color:var(--ink-2);
    font-size:18px;cursor:pointer;
  }
  .issue-list li{grid-template-columns:1fr;gap:10px}
}
@media (max-width:639px){
  body{font-size:16px}
  .brand-name{font-size:13.5px;white-space:normal;line-height:1.25}
  .brand-sub{font-size:10px;white-space:normal}
  .hero h1{font-size:clamp(1.9rem,8vw,2.5rem)}
  .stat-strip li{padding:18px 14px 20px}
  .faq-body{padding:0 18px 20px 18px}
  .faq-item summary{padding:16px 16px;font-size:15.5px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
  html.js .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --green:#0F3D2E;
  --green-deep:#0B0F0D;
  --lime:#C8F135;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --ink:#141614;
  --ink-2:#5A625C;
  --ink-3:#8B918C;
  --line:#E2E1DA;
  --radius:6px;
  --pill:999px;
  --shadow-hover:0 12px 32px rgba(11,15,13,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --pad-x:clamp(20px,5vw,64px);
  --sp-1:64px;
  --sp-2:96px;
  --sp-3:128px;
  --font:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  -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:#1c6a4f}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.03em;line-height:1.2;color:var(--ink)}
h1{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:900}
h2{font-size:clamp(1.8rem,3.6vw,2.8rem)}
h3{font-size:clamp(1.15rem,1.6vw,1.45rem);letter-spacing:-.02em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:3px solid var(--green);outline-offset:3px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}
.container{max-width:1240px;margin:0 auto;padding:0 var(--pad-x);width:100%}
.section{padding:var(--sp-1) 0}
.section--lg{padding:var(--sp-2) 0}
.section--xl{padding:var(--sp-3) 0}
.hairline{height:1px;background:var(--line);border:0;margin:0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--pill);font-weight:800;font-size:15px;
  padding:13px 26px;border:1px solid transparent;cursor:pointer;letter-spacing:-.01em;min-height:44px;
  transition:transform .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease)}
.btn-primary{background:var(--lime);color:var(--green-deep);border-color:var(--lime)}
.btn-primary:hover{background:var(--green-deep);color:var(--lime);border-color:var(--green-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-light:hover{background:#fff;color:var(--green-deep);border-color:#fff;transform:translateY(-2px)}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:800;color:var(--green);padding:6px 0}
.btn-link i{transition:transform .25s var(--ease);font-size:13px}
.btn-link:hover i{transform:translateX(4px)}
.btn-block{width:100%}
.btn[disabled],.btn.is-loading{opacity:.6;cursor:not-allowed;transform:none}

/* header */
.site-header{position:sticky;top:0;z-index:90;background:rgba(246,245,241,.9);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;transition:background .3s var(--ease),border-color .3s var(--ease)}
.site-header.is-solid{background:var(--bg);border-bottom-color:var(--line)}
.nav-wrap{max-width:1240px;margin:0 auto;padding:0 var(--pad-x);min-height:72px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{width:38px;height:38px;border-radius:9px;background:var(--green);color:var(--lime);display:grid;place-items:center;
  font-weight:900;font-size:15px;letter-spacing:-.05em;flex:0 0 auto}
.brand-name{display:block;font-size:15px;font-weight:900;letter-spacing:-.02em;line-height:1.15;color:var(--ink)}
.brand-sub{display:block;font-size:11px;letter-spacing:.05em;color:var(--ink-3);line-height:1.4}
.nav-search{flex:1 1 auto;max-width:560px;min-width:180px;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--pill);padding:5px 5px 5px 18px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.nav-search:focus-within{border-color:var(--green);box-shadow:0 0 0 4px rgba(15,61,46,.09)}
.nav-search>i{color:var(--ink-3);font-size:13px}
.nav-search input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;font-size:14px;padding:8px 0}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search button{border:0;background:var(--green);color:#fff;border-radius:var(--pill);padding:9px 20px;font-size:13px;font-weight:800;cursor:pointer;
  transition:background .25s var(--ease)}
.nav-search button:hover{background:var(--green-deep)}
.nav-links{display:none}
.nav-cta{display:none}
.menu-toggle{display:inline-grid;place-items:center;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:10px;cursor:pointer;font-size:16px;color:var(--ink);flex:0 0 auto}
.menu-toggle:hover{border-color:var(--green);color:var(--green)}

@media (min-width:1200px){
  .nav-links{display:flex;align-items:center;gap:16px;flex:0 0 auto}
  .nav-links a{position:relative;font-size:13.5px;font-weight:700;color:var(--ink-2);padding:6px 0;white-space:nowrap}
  .nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);
    transform-origin:left;transition:transform .28s var(--ease)}
  .nav-links a:hover{color:var(--ink)}
  .nav-links a:hover::after{transform:scaleX(1)}
  .nav-links a.is-active{color:var(--ink)}
  .nav-links a.is-active::after{transform:scaleX(1)}
  .nav-cta{display:inline-flex;padding:11px 20px;font-size:14px}
  .menu-toggle{display:none}
}
@media (max-width:1199.98px){
  .nav-links{position:fixed;left:0;right:0;top:0;bottom:0;background:var(--bg);z-index:95;
    flex-direction:column;align-items:flex-start;gap:0;padding:100px var(--pad-x) 40px;overflow-y:auto;display:none}
  .nav-links.is-open{display:flex}
  .nav-links a{display:block;width:100%;font-size:20px;font-weight:800;color:var(--ink);padding:16px 0;border-bottom:1px solid var(--line)}
  .nav-links a.is-active{color:var(--green)}
  .nav-links a.is-active::after{content:"当前栏目";display:inline-block;margin-left:10px;font-size:11px;font-weight:700;
    color:var(--green-deep);background:var(--lime);border-radius:var(--pill);padding:2px 10px;vertical-align:middle;letter-spacing:.04em}
}
@media (max-width:860px){
  .nav-wrap{flex-wrap:wrap;padding-top:10px;padding-bottom:10px;gap:12px}
  .nav-search{order:3;flex:1 1 100%;max-width:none}
  .menu-toggle{order:2;margin-left:auto}
}

/* hero */
.cat-hero{position:relative;background:var(--green-deep);color:#fff;overflow:hidden}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.cat-hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(11,15,13,.95) 0%,rgba(15,61,46,.86) 52%,rgba(11,15,13,.72) 100%)}
.cat-hero-inner{position:relative;z-index:2;padding:clamp(56px,9vw,110px) 0 clamp(40px,6vw,72px)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:var(--lime)}
.crumb span{opacity:.5}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;letter-spacing:.1em;
  color:var(--lime);border:1px solid rgba(200,241,53,.4);border-radius:var(--pill);padding:6px 14px;margin-bottom:22px}
.cat-hero h1{color:#fff;max-width:16em;margin-bottom:20px}
.cat-hero h1 em{font-style:normal;color:var(--lime)}
.cat-hero .lede{font-size:clamp(1rem,1.35vw,1.14rem);color:rgba(255,255,255,.82);max-width:60ch;margin-bottom:30px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}
.hero-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.14);border-radius:8px;overflow:hidden}
.hero-strip div{background:rgba(11,15,13,.55);padding:16px 18px}
.hero-strip strong{display:block;font-size:clamp(1.3rem,2.4vw,1.9rem);color:var(--lime);font-weight:900;letter-spacing:-.03em;line-height:1.1}
.hero-strip span{font-size:12.5px;color:rgba(255,255,255,.7);display:block;margin-top:6px;line-height:1.6}
@media (max-width:760px){
  .hero-strip{grid-template-columns:repeat(2,1fr)}
}

/* section head */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:44px}
.sec-head .eyebrow{display:block;font-size:12.5px;font-weight:800;letter-spacing:.12em;color:var(--green);margin-bottom:12px}
.sec-head p{color:var(--ink-2);max-width:56ch;margin:12px 0 0;font-size:15.5px}

/* index layout */
.index-layout{display:grid;grid-template-columns:196px minmax(0,1fr);gap:clamp(24px,4vw,60px);align-items:start}
.side-nav{position:sticky;top:96px}
.side-nav-label{font-size:11.5px;letter-spacing:.14em;font-weight:800;color:var(--ink-3);margin-bottom:14px}
.side-nav ol{counter-reset:side;border-left:1px solid var(--line)}
.side-nav li{counter-increment:side}
.side-nav a{display:flex;gap:10px;align-items:baseline;padding:9px 0 9px 16px;font-size:14px;color:var(--ink-2);font-weight:600;
  border-left:2px solid transparent;margin-left:-1px;transition:all .25s var(--ease)}
.side-nav a::before{content:counter(side,decimal-leading-zero);font-size:11px;font-weight:800;color:var(--ink-3);
  font-variant-numeric:tabular-nums}
.side-nav a:hover{color:var(--ink)}
.side-nav a.is-active{color:var(--green);border-left-color:var(--lime);background:rgba(200,241,53,.12)}
.side-nav a.is-active::before{color:var(--green)}
@media (max-width:960px){
  .index-layout{grid-template-columns:1fr}
  .side-nav{position:static;border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:16px 18px}
  .side-nav ol{border-left:0;display:flex;flex-wrap:wrap;gap:8px}
  .side-nav a{border:1px solid var(--line);border-radius:var(--pill);padding:7px 14px;margin:0;background:#fff}
  .side-nav a.is-active{border-color:var(--green);color:var(--green)}
}

/* big word */
.big-word{font-size:clamp(2.6rem,8vw,5.4rem);font-weight:900;letter-spacing:-.05em;line-height:.95;color:var(--green);
  margin:0 0 10px;word-break:keep-all}
.big-word-sub{display:block;font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--ink-3);margin-bottom:26px}

/* text index */
.txt-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(28px,4vw,56px);border-top:1px solid var(--line)}
.txt-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);transition:background .3s var(--ease)}
.txt-item:hover{background:rgba(200,241,53,.08)}
.txt-item .no{flex:0 0 auto;font-size:12.5px;font-weight:900;color:var(--green);background:#fff;border:1px solid var(--line);
  border-radius:var(--pill);width:38px;height:26px;display:grid;place-items:center;margin-top:4px;font-variant-numeric:tabular-nums}
.txt-item h3{font-size:16.5px;margin-bottom:6px;letter-spacing:-.02em}
.txt-item p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.75}
.txt-tag{display:inline-block;font-size:11.5px;font-weight:800;color:var(--green);background:rgba(15,61,46,.07);
  border-radius:4px;padding:2px 8px;margin-left:8px;vertical-align:2px;letter-spacing:.02em}
.txt-tag--lime{color:var(--green-deep);background:rgba(200,241,53,.5)}
@media (max-width:760px){.txt-index{grid-template-columns:1fr}}

/* rank list */
.rank-wrap{background:var(--green-deep);color:#fff;border-radius:10px;padding:clamp(26px,4vw,48px)}
.rank-wrap h2{color:#fff}
.rank-wrap .eyebrow{color:var(--lime)}
.rank-wrap p{color:rgba(255,255,255,.72)}
.rank-list{border-top:1px solid rgba(255,255,255,.16)}
.rank-row{display:grid;grid-template-columns:52px minmax(0,1fr) 130px 74px;align-items:center;gap:16px;
  padding:15px 6px;border-bottom:1px solid rgba(255,255,255,.13);transition:background .25s var(--ease)}
.rank-row:hover{background:rgba(200,241,53,.08)}
.rank-row .rk{font-size:13px;font-weight:900;color:var(--lime);font-variant-numeric:tabular-nums}
.rank-row .nm{font-size:15.5px;font-weight:700;color:#fff;letter-spacing:-.01em}
.rank-row .nm small{display:block;font-size:12.5px;font-weight:500;color:rgba(255,255,255,.6);letter-spacing:0;margin-top:3px}
.rank-bar{height:6px;border-radius:var(--pill);background:rgba(255,255,255,.16);overflow:hidden}
.rank-bar i{display:block;height:100%;background:var(--lime);width:0;transition:width .9s var(--ease)}
.rank-row .pct{text-align:right;font-size:15px;font-weight:900;color:var(--lime);font-variant-numeric:tabular-nums}
@media (max-width:760px){
  .rank-row{grid-template-columns:42px minmax(0,1fr) 62px;gap:12px}
  .rank-row .rank-bar{display:none}
}

/* steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
.step{position:relative;padding:30px 24px 30px 0;border-right:1px solid var(--line)}
.step:last-child{border-right:0}
.step::before{counter-increment:step;content:"0" counter(step);display:block;font-size:12.5px;font-weight:900;color:var(--green);
  letter-spacing:.1em;margin-bottom:14px;font-variant-numeric:tabular-nums}
.step h3{font-size:17px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.8}
.step::after{content:"";position:absolute;left:0;top:0;width:44px;height:3px;background:var(--lime);border-radius:2px}
@media (max-width:900px){
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step{border-bottom:1px solid var(--line);padding:26px 20px 26px 0}
  .step:nth-child(2n){border-right:0}
}
@media (max-width:560px){
  .steps{grid-template-columns:1fr}
  .step{border-right:0;padding-right:0}
}

/* scenarios */
.scene-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(28px,5vw,64px);align-items:start}
.scene-list li{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.scene-list i{color:var(--green);font-size:15px;margin-top:6px;flex:0 0 auto}
.scene-list strong{display:block;font-size:16px;letter-spacing:-.01em;margin-bottom:4px}
.scene-list span{font-size:14.5px;color:var(--ink-2)}
.figure{border-radius:8px;overflow:hidden;border:1px solid var(--line);background:#fff}
.figure .ratio{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e9e8e2}
.figure .ratio img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.figure:hover .ratio img{transform:scale(1.04)}
.figure figcaption{font-size:13px;color:var(--ink-2);padding:14px 16px;border-top:1px solid var(--line)}
@media (max-width:860px){.scene-grid{grid-template-columns:1fr}}

/* faq */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:12px;overflow:hidden;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease)}
.faq-item:hover{border-color:#cfcfc6}
.faq-item[open]{border-color:var(--green);box-shadow:var(--shadow-hover)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;gap:16px;align-items:flex-start;padding:20px 22px;position:relative;
  font-weight:800;font-size:16.5px;letter-spacing:-.01em;min-height:44px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .qno{font-size:12.5px;font-weight:900;color:var(--ink-3);font-variant-numeric:tabular-nums;flex:0 0 auto;margin-top:5px}
.faq-item summary .qtxt{flex:1 1 auto}
.faq-item summary .chev{flex:0 0 auto;color:var(--ink-3);font-size:13px;margin-top:5px;transition:transform .3s var(--ease)}
.faq-item[open] summary .chev{transform:rotate(180deg);color:var(--green)}
.faq-item[open] summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--lime);border-radius:2px}
.faq-body{padding:0 22px 24px 60px;color:var(--ink-2);font-size:15.5px;line-height:1.9}
.faq-body p{margin:0 0 .8em}
.faq-body p:last-child{margin-bottom:0}
@media (max-width:560px){
  .faq-item summary{padding:18px 16px;font-size:15.5px}
  .faq-body{padding:0 16px 20px 42px}
}

/* cta + form */
.cta-band{background:var(--green);color:#fff;border-radius:12px;padding:clamp(30px,5vw,60px);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,53,.3),transparent 68%)}
.cta-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:clamp(28px,4vw,56px);align-items:start}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.82)}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.86);padding:6px 0}
.cta-points i{color:var(--lime);margin-top:6px;font-size:13px}
.form-card{background:#fff;border-radius:10px;padding:26px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:800;color:var(--ink);margin-bottom:7px;letter-spacing:.01em}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:var(--radius);
  padding:12px 14px;font-size:14.5px;background:#fff;transition:border-color .25s var(--ease),background .25s var(--ease),box-shadow .25s var(--ease)}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--green);background:#fbfbf8;
  box-shadow:0 0 0 4px rgba(15,61,46,.08)}
.field .hint{font-size:12.5px;color:var(--ink-3);margin-top:6px;min-height:18px}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.7}
@media (max-width:900px){.cta-grid{grid-template-columns:1fr}}

/* footer */
.site-footer{background:var(--green-deep);color:rgba(255,255,255,.72);padding:clamp(48px,7vw,84px) 0 28px;margin-top:var(--sp-2)}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin:0 0 10px}
.site-footer h4{color:#fff;font-size:13.5px;letter-spacing:.08em;margin-bottom:16px;font-weight:800}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{color:rgba(255,255,255,.72);font-size:14px}
.site-footer ul a:hover{color:var(--lime)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:clamp(24px,4vw,48px);padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer-grid .brand-name{color:#fff}
.footer-grid .brand-sub{color:rgba(255,255,255,.5)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:var(--lime)}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* float cta */
.float-cta{position:fixed;right:24px;bottom:28px;z-index:70;opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease)}
.float-cta.is-show{opacity:1;transform:none;pointer-events:auto}
.float-cta .inner{display:flex;align-items:center;gap:12px;background:var(--green-deep);border-radius:var(--pill);
  padding:8px 10px 8px 22px;box-shadow:0 14px 34px rgba(11,15,13,.28)}
.float-cta .inner span{color:#fff;font-size:14px;font-weight:700;white-space:nowrap}
.float-cta .close{display:none}
@media (max-width:760px){
  .float-cta{left:0;right:0;bottom:0;transform:translateY(100%)}
  .float-cta.is-show{transform:none}
  .float-cta .inner{border-radius:0;padding:10px 14px calc(10px + env(safe-area-inset-bottom));justify-content:space-between}
  .float-cta .close{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;
    background:rgba(255,255,255,.14);color:#fff;border:0;cursor:pointer}
}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
section[id]{scroll-margin-top:96px}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#141614;
  --ink-2:#5A625C;
  --ink-3:#8B918C;
  --brand:#0F3D2E;
  --brand-dark:#0B0F0D;
  --lime:#C8F135;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --line:#E2E1DA;
  --radius:6px;
  --pill:999px;
  --shadow-hover:0 12px 32px rgba(11,15,13,.10);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,dl,dd{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),border-color .25s var(--ease),background-color .25s var(--ease);}
img{max-width:100%;display:block;height:auto;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:16px;}
strong{font-weight:800;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}
h1,h2,h3{letter-spacing:-.03em;line-height:1.2;font-weight:800;color:var(--ink);}
h1{font-size:clamp(2.4rem,6vw,4.6rem);}
h2{font-size:clamp(1.8rem,3.6vw,2.8rem);}
h3{font-size:1.28rem;line-height:1.35;}
.tnum{font-variant-numeric:tabular-nums;}

.container{max-width:1240px;margin:0 auto;padding-left:clamp(20px,5vw,64px);padding-right:clamp(20px,5vw,64px);width:100%;}
.section{padding:clamp(64px,8vw,128px) 0;}
.section-sm{padding:clamp(48px,6vw,88px) 0;}
.section-tight{padding:clamp(40px,5vw,72px) 0;}
.divider-line{height:1px;background:var(--line);border:0;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.14em;font-weight:700;
  text-transform:uppercase;color:var(--brand);
  background:rgba(15,61,46,.07);
  border:1px solid rgba(15,61,46,.14);
  padding:6px 14px;border-radius:var(--pill);
  margin-bottom:20px;
}
.section-head{max-width:720px;margin-bottom:clamp(32px,4vw,56px);}
.section-head p{color:var(--ink-2);margin-top:16px;font-size:16.5px;}
.lead{font-size:17px;color:var(--ink-2);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 28px;border-radius:var(--pill);
  font-size:15.5px;font-weight:700;border:1px solid transparent;
  min-height:48px;letter-spacing:-.01em;
  transition:transform .25s var(--ease),background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--brand-dark);border-color:var(--lime);}
.btn-primary:hover,.btn-primary:focus-visible{background:var(--brand-dark);color:var(--lime);border-color:var(--brand-dark);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover,.btn-ghost:focus-visible{background:var(--ink);color:var(--bg);transform:translateY(-2px);}
.btn-ghost-inv{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost-inv:hover,.btn-ghost-inv:focus-visible{background:#fff;color:var(--brand-dark);border-color:#fff;transform:translateY(-2px);}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--brand);padding:6px 0;min-height:44px;}
.btn-text i{transition:transform .25s var(--ease);}
.btn-text:hover i{transform:translateX(4px);}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(246,245,241,0);
  border-bottom:1px solid transparent;
  transition:background-color .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-stuck{
  background:rgba(246,245,241,.96);
  border-bottom-color:var(--line);
  backdrop-filter:blur(10px);
}
.nav-wrap{
  max-width:1240px;margin:0 auto;
  padding:0 clamp(20px,5vw,64px);
  height:72px;display:flex;align-items:center;gap:clamp(10px,1.8vw,26px);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:9px;flex:0 0 auto;
  background:var(--brand);color:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:15px;letter-spacing:-.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:15px;font-weight:900;letter-spacing:-.03em;white-space:nowrap;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.05em;white-space:nowrap;}
.nav-search{
  flex:1 1 auto;max-width:560px;
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--pill);padding:6px 8px 6px 18px;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.nav-search i{color:var(--ink-3);font-size:14px;}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--ink);min-width:0;padding:8px 0;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(200,241,53,.35);}
.nav-search button{
  border:0;background:var(--brand);color:#fff;
  border-radius:var(--pill);padding:9px 20px;font-size:14px;font-weight:700;
  transition:background-color .25s var(--ease),color .25s var(--ease);
}
.nav-search button:hover{background:var(--brand-dark);color:var(--lime);}
.nav-links{display:flex;align-items:center;gap:clamp(8px,1.2vw,18px);flex:0 1 auto;}
.nav-links a{
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  padding:8px 2px;position:relative;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;
  background:var(--lime);transition:right .3s var(--ease);
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after,.nav-links a.is-active::after{right:0;}
.nav-links a.is-active{color:var(--ink);font-weight:800;}
.nav-cta{padding:11px 22px;font-size:14.5px;flex:0 0 auto;}
.menu-toggle{
  display:none;background:transparent;border:1px solid var(--line);
  width:44px;height:44px;border-radius:12px;font-size:17px;color:var(--ink);
  align-items:center;justify-content:center;
}
.nav-drawer{
  position:fixed;inset:0;z-index:120;background:var(--bg);
  padding:24px clamp(20px,6vw,40px) 40px;
  display:none;flex-direction:column;gap:18px;overflow-y:auto;
}
.nav-drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{background:transparent;border:1px solid var(--line);width:44px;height:44px;border-radius:12px;font-size:17px;}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-top:8px;}
.drawer-links a{
  padding:16px 4px;border-bottom:1px solid var(--line);
  font-size:17px;font-weight:700;display:flex;justify-content:space-between;align-items:center;
}
.drawer-links a.is-active{color:var(--brand);}
.drawer-links a i{color:var(--ink-3);font-size:13px;}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--brand-dark);color:#fff;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(11,15,13,.94) 0%,rgba(15,61,46,.88) 55%,rgba(11,15,13,.86) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.98;
}
.hero-inner{position:relative;z-index:2;padding-top:clamp(72px,9vw,120px);padding-bottom:clamp(40px,5vw,56px);}
.hero h1{color:#fff;max-width:16em;}
.hero .eyebrow{color:var(--lime);background:rgba(200,241,53,.12);border-color:rgba(200,241,53,.3);}
.hero-lead{color:rgba(255,255,255,.78);font-size:clamp(16px,1.6vw,18.5px);max-width:34em;margin-top:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.hero-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.42);}
.hero-actions .btn-ghost:hover{background:#fff;color:var(--brand-dark);border-color:#fff;}
.hero-figure{
  border-radius:6px;overflow:hidden;border:1px solid rgba(255,255,255,.16);
  aspect-ratio:16/9;margin-top:32px;
  box-shadow:0 24px 60px rgba(0,0,0,.35);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(16px,3vw,40px);
  border-top:1px solid rgba(255,255,255,.18);
  margin-top:clamp(40px,5vw,64px);padding-top:28px;
}
.hero-stats li{display:flex;flex-direction:column;gap:4px;}
.hero-stats strong{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:900;color:var(--lime);letter-spacing:-.04em;font-variant-numeric:tabular-nums;}
.hero-stats span{font-size:13.5px;color:rgba(255,255,255,.68);}

/* ---------- split (窄标题栏 + 宽内容) ---------- */
.split{display:grid;grid-template-columns:minmax(210px,286px) minmax(0,1fr);gap:clamp(28px,4.5vw,72px);align-items:start;}
.split-aside{position:sticky;top:104px;}
.split-aside h2{font-size:clamp(1.6rem,3vw,2.2rem);}
.split-aside p{color:var(--ink-2);margin-top:16px;font-size:15.5px;}
.split-aside .aside-note{
  margin-top:22px;padding-left:16px;border-left:3px solid var(--lime);
  font-size:14px;color:var(--ink-3);
}
.split-main{min-width:0;}

/* ---------- cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.card:hover,.card:focus-within{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-hover);}
.card-media{aspect-ratio:16/9;overflow:hidden;background:#eae9e3;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card-body h3{font-size:1.18rem;}
.card-body p{color:var(--ink-2);font-size:15px;line-height:1.8;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  color:var(--brand);background:rgba(15,61,46,.07);
  border:1px solid rgba(15,61,46,.14);border-radius:var(--pill);
  padding:4px 12px;
}
.badge-lime{color:var(--brand-dark);background:var(--lime);border-color:var(--lime);}
.meta-line{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line);}
.step{position:relative;padding:34px 24px 8px 0;}
.step::before{
  content:"";position:absolute;top:-1px;left:0;width:64px;height:3px;background:var(--lime);
}
.step-no{
  font-size:13px;font-weight:800;color:var(--ink-3);
  letter-spacing:.1em;font-variant-numeric:tabular-nums;margin-bottom:12px;display:block;
}
.step h3{font-size:1.1rem;margin-bottom:10px;}
.step p{font-size:14.8px;color:var(--ink-2);}

/* ---------- feature rows ---------- */
.feature-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);
  gap:clamp(24px,4vw,64px);align-items:center;
  padding:clamp(28px,4vw,48px) 0;border-top:1px solid var(--line);
}
.feature-row:nth-child(even) .feature-media{order:-1;}
.feature-media{aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-copy h3{font-size:clamp(1.3rem,2.2vw,1.7rem);margin-bottom:14px;}
.feature-copy p{color:var(--ink-2);font-size:15.8px;}
.tick-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.tick-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:14px;height:2px;background:var(--brand);
}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.faq-item:hover{border-color:rgba(15,61,46,.35);}
.faq-item[open]{border-color:var(--brand);box-shadow:0 12px 32px rgba(11,15,13,.07);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;gap:18px;align-items:flex-start;
  padding:22px 60px 22px 22px;font-weight:700;font-size:16.5px;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free","Font Awesome 6 Pro","Font Awesome 5 Free";
  font-weight:900;position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--ink-3);transition:transform .3s var(--ease),color .3s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--brand);}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;background:var(--lime);
  border-radius:0 3px 3px 0;
}
.faq-no{font-size:13px;font-weight:800;color:var(--ink-3);font-variant-numeric:tabular-nums;padding-top:4px;flex:0 0 auto;}
.faq-answer{padding:0 26px 24px 60px;color:var(--ink-2);font-size:15.6px;line-height:1.9;}
.faq-answer p+p{margin-top:10px;}

/* ---------- stats / proof ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(18px,2.4vw,32px);}
.stat-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.stat-block:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-hover);}
.stat-block strong{
  display:block;font-size:clamp(2rem,4vw,2.9rem);font-weight:900;letter-spacing:-.04em;
  color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-block span{display:block;margin-top:10px;font-size:14px;color:var(--ink-2);}
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(18px,2.4vw,28px);margin-top:clamp(24px,3vw,40px);}
.quote{
  background:var(--brand-dark);color:#fff;border-radius:var(--radius);
  padding:26px 24px;display:flex;flex-direction:column;gap:14px;
}
.quote p{font-size:15.2px;color:rgba(255,255,255,.84);line-height:1.85;}
.quote span{font-size:13px;color:rgba(255,255,255,.55);}

/* ---------- link cards ---------- */
.link-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2vw,24px);}
.link-card{
  display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;min-height:150px;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease),background-color .3s var(--ease);
}
.link-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-hover);}
.link-card i{color:var(--brand);font-size:19px;}
.link-card strong{font-size:1.06rem;font-weight:800;}
.link-card span{font-size:14px;color:var(--ink-2);line-height:1.75;}
.link-card.is-current{background:var(--brand);border-color:var(--brand);color:#fff;}
.link-card.is-current i,.link-card.is-current span{color:rgba(255,255,255,.82);}
.link-card.is-current strong{color:#fff;}

/* ---------- cta + form ---------- */
.cta-panel{
  background:var(--brand);color:#fff;border-radius:8px;
  padding:clamp(32px,5vw,64px);
  position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,241,53,.22),transparent 68%);
}
.cta-panel h2{color:#fff;position:relative;z-index:2;}
.cta-panel>p{color:rgba(255,255,255,.8);margin-top:16px;max-width:44em;position:relative;z-index:2;}
.form-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;margin-top:32px;position:relative;z-index:2;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13.5px;font-weight:700;letter-spacing:.02em;color:rgba(255,255,255,.82);}
.field input,.field select{
  width:100%;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.28);border-radius:6px;
  padding:13px 16px;color:#fff;outline:none;
  transition:border-color .25s var(--ease),background-color .25s var(--ease);
}
.field input::placeholder{color:rgba(255,255,255,.42);}
.field select option{color:var(--ink);}
.field input:focus,.field select:focus{border-color:var(--lime);background:rgba(255,255,255,.12);}
.field .hint{font-size:13px;color:rgba(255,255,255,.55);min-height:19px;}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin-top:6px;}
.form-note{font-size:13px;color:rgba(255,255,255,.6);max-width:34em;}
.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none;}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:90;
  display:flex;align-items:center;gap:10px;
  background:var(--brand-dark);border-radius:var(--pill);
  padding:8px 8px 8px 20px;
  box-shadow:0 16px 40px rgba(11,15,13,.28);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .35s var(--ease),transform .35s var(--ease),visibility .35s var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta.is-yield{opacity:0;visibility:hidden;transform:translateY(14px);}
.float-cta .float-label{color:rgba(255,255,255,.72);font-size:13.5px;white-space:nowrap;}
.float-cta .btn{padding:10px 20px;font-size:14.5px;min-height:42px;}
.float-close{
  display:none;background:transparent;border:0;color:rgba(255,255,255,.6);
  width:38px;height:38px;font-size:15px;
}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.72);padding:clamp(56px,7vw,88px) 0 28px;margin-top:clamp(48px,6vw,80px);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:clamp(24px,3.5vw,48px);}
.site-footer h4{color:#fff;font-size:14px;letter-spacing:.1em;font-weight:800;margin-bottom:18px;}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:rgba(200,241,53,.8);}
.site-footer ul{display:flex;flex-direction:column;gap:11px;}
.site-footer ul a{font-size:14.5px;color:rgba(255,255,255,.68);}
.site-footer ul a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:clamp(36px,5vw,64px);padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.75);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s var(--ease),transform .45s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-links{display:none;}
  .menu-toggle{display:inline-flex;}
  .float-cta{right:20px;bottom:20px;}
}
@media (max-width:1023px){
  .split{grid-template-columns:1fr;}
  .split-aside{position:static;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step{padding:28px 20px 20px 0;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .quote-grid{grid-template-columns:1fr;}
  .link-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-row{grid-template-columns:1fr;}
  .feature-row:nth-child(even) .feature-media{order:0;}
  .form-grid{grid-template-columns:1fr;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .nav-search{display:none;}
  .nav-cta{display:none;}
  .nav-wrap{gap:10px;justify-content:space-between;}
  .brand-sub{display:none;}
  .float-cta{
    left:12px;right:12px;bottom:0;
    border-radius:14px 14px 0 0;
    padding:12px 12px calc(12px + env(safe-area-inset-bottom,0px)) 18px;
    justify-content:space-between;
  }
  .float-cta .float-label{display:none;}
  .float-close{display:inline-flex;align-items:center;justify-content:center;}
  .float-cta .btn{flex:1 1 auto;}
  .faq-answer{padding:0 20px 22px 22px;}
  .faq-item summary{padding:20px 52px 20px 20px;gap:12px;font-size:15.8px;}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .link-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --ink:#0F3D2E;
  --ink-soft:rgba(15,61,46,.08);
  --lime:#C8F135;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --dark:#0B0F0D;
  --text:#141614;
  --muted:#5A625C;
  --faint:#8B918C;
  --line:#E2E1DA;
  --radius:6px;
  --radius-pill:999px;
  --shadow-hover:0 12px 32px rgba(11,15,13,.10);
  --shadow-soft:0 18px 44px rgba(11,15,13,.14);
  --ease:cubic-bezier(.2,.7,.2,1);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

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

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:96px;
}

body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4,h5,h6{
  font-family:var(--font);
  color:var(--text);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.03em;
  margin:0 0 .55em;
  text-rendering:optimizeLegibility;
}
h1{font-size:clamp(2.4rem,6vw,4.6rem);font-weight:900;letter-spacing:-.04em;}
h2{font-size:clamp(1.8rem,3.6vw,2.8rem);}
h3{font-size:1.35rem;}
h4{font-size:1.05rem;}

p{margin:0 0 1.1em;}

ul,ol{margin:0;padding:0;list-style:none;}

a{
  color:inherit;
  text-decoration:none;
  transition:color .24s var(--ease),border-color .24s var(--ease),background-color .24s var(--ease);
}

img{max-width:100%;height:auto;display:block;border:0;}

button{font-family:inherit;cursor:pointer;}

input,select,textarea{font-family:inherit;font-size:16px;}

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

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

/* ---------- 布局基础 ---------- */
.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 clamp(20px,5vw,64px);
}

.section{padding:64px 0;}
@media (min-width:640px){.section{padding:96px 0;}}
@media (min-width:1024px){.section{padding:128px 0;}}

.section-surface{
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.sec-head{max-width:780px;margin-bottom:clamp(28px,4vw,52px);}

.sec-label{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--faint);
  margin-bottom:14px;
  font-weight:700;
}
.sec-label::before{
  content:"";
  width:26px;
  height:2px;
  background:var(--lime);
  display:inline-block;
}

.sec-head p{
  color:var(--muted);
  font-size:16.5px;
  margin:0;
  max-width:64ch;
}

.g-y > .cell{margin-bottom:24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform .26s var(--ease),background-color .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.btn-primary{
  background:var(--lime);
  color:var(--dark);
  border-color:var(--lime);
}
.btn-primary:hover{
  background:var(--dark);
  color:var(--lime);
  border-color:var(--dark);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:rgba(20,22,20,.32);
}
.btn-ghost:hover{
  background:var(--text);
  color:var(--bg);
  border-color:var(--text);
  transform:translateY(-2px);
}
.btn-outline-light{
  background:transparent;
  color:#F6F5F1;
  border-color:rgba(246,245,241,.42);
}
.btn-outline-light:hover{
  background:#F6F5F1;
  color:var(--dark);
  border-color:#F6F5F1;
  transform:translateY(-2px);
}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  font-size:15px;
  color:var(--ink);
  padding:0;
}
.btn-link i{transition:transform .24s var(--ease);}
.btn-link:hover i{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(246,245,241,0);
  border-bottom:1px solid transparent;
  transition:background-color .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-solid{
  background:rgba(246,245,241,.96);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom-color:var(--line);
}

.nav-wrap{
  max-width:1240px;
  margin:0 auto;
  padding:0 clamp(16px,4vw,48px);
  min-height:72px;
  display:flex;
  align-items:center;
  gap:clamp(10px,1.4vw,22px);
  position:relative;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:38px;
  height:38px;
  border-radius:10px;
  background:var(--ink);
  color:var(--lime);
  display:grid;
  place-items:center;
  font-weight:900;
  font-size:15px;
  letter-spacing:-.05em;
  flex:0 0 auto;
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.16;
}
.brand-name{
  font-size:14.5px;
  font-weight:900;
  letter-spacing:-.03em;
  white-space:nowrap;
}
.brand-sub{
  font-size:10.5px;
  color:var(--faint);
  letter-spacing:.06em;
  white-space:nowrap;
}

.nav-search{
  flex:1 1 auto;
  min-width:0;
  max-width:520px;
  display:flex;
  align-items:center;
  gap:10px;
  height:46px;
  padding:0 5px 0 18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.nav-search:focus-within{
  border-color:var(--ink);
  box-shadow:0 0 0 3px rgba(15,61,46,.10);
}
.nav-search i{
  color:var(--faint);
  font-size:14px;
  flex:0 0 auto;
}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  border:0;
  outline:0;
  background:transparent;
  font-size:14.5px;
  padding:0;
  color:var(--text);
}
.nav-search input::placeholder{color:var(--faint);}
.nav-search button{
  flex:0 0 auto;
  height:36px;
  padding:0 20px;
  border:0;
  border-radius:var(--radius-pill);
  background:var(--ink);
  color:#fff;
  font-size:13.5px;
  font-weight:700;
  transition:background-color .24s var(--ease);
}
.nav-search button:hover{background:var(--dark);}

.nav-links{
  display:flex;
  align-items:center;
  gap:clamp(8px,1.05vw,20px);
  flex:0 0 auto;
}
.nav-links a{
  position:relative;
  font-size:14px;
  color:var(--muted);
  padding:6px 1px;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--text);}
.nav-links a.is-active{
  color:var(--text);
  font-weight:700;
}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:var(--lime);
}

.nav-cta{
  height:42px;
  padding:0 20px;
  font-size:14px;
  flex:0 0 auto;
}

.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  margin-left:auto;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  align-items:center;
  justify-content:center;
  font-size:16px;
  flex:0 0 auto;
}

@media (min-width:1024px) and (max-width:1199px){
  .nav-cta{display:none;}
}

@media (max-width:1023px){
  .nav-search{display:none;}
  .nav-cta{display:none;}
  .menu-toggle{display:flex;}
  .nav-links{
    position:fixed;
    inset:0;
    z-index:70;
    background:var(--bg);
    padding:150px clamp(20px,6vw,40px) 48px;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease);
    overflow-y:auto;
    -webkit-overflow-scrolling:touch;
  }
  .nav-links.is-open{
    opacity:1;
    visibility:visible;
    transform:none;
  }
  .nav-links a{
    font-size:17px;
    font-weight:700;
    color:var(--text);
    padding:17px 0;
    border-bottom:1px solid var(--line);
    min-height:52px;
    display:flex;
    align-items:center;
  }
  .nav-links a.is-active{color:var(--ink);}
  .nav-links a.is-active::after{
    left:0;
    right:auto;
    width:28px;
    bottom:10px;
  }
  .site-header.is-menu-open .nav-search{
    display:flex;
    position:fixed;
    top:80px;
    left:16px;
    right:16px;
    max-width:none;
    z-index:75;
    box-shadow:0 14px 34px rgba(11,15,13,.14);
  }
  .brand-name{font-size:13.5px;}
  .brand-sub{font-size:10px;}
}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  overflow:hidden;
  color:#F6F5F1;
  background-color:var(--dark);
  background-image:linear-gradient(112deg,rgba(11,15,13,.95) 0%,rgba(11,15,13,.84) 44%,rgba(15,61,46,.88) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  padding:clamp(52px,7vw,92px) 0 0;
}

.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--lime);
  border:1px solid rgba(200,241,53,.42);
  border-radius:var(--radius-pill);
  padding:6px 16px;
  margin-bottom:22px;
}

.hero h1{
  color:#fff;
  max-width:15em;
  margin-bottom:.34em;
}

.hero-lead{
  color:rgba(246,245,241,.78);
  font-size:clamp(16px,1.55vw,18px);
  line-height:1.8;
  max-width:36em;
  margin-bottom:30px;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:8px;
}

.hero-art{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid rgba(246,245,241,.18);
  background:#0B0F0D;
  aspect-ratio:16 / 9;
  box-shadow:var(--shadow-soft);
}
.hero-art img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-art-cap{
  font-size:12.5px;
  color:rgba(246,245,241,.55);
  margin-top:12px;
  letter-spacing:.02em;
}

.hero-stats{
  margin-top:clamp(38px,5vw,60px);
  border-top:1px solid rgba(246,245,241,.16);
  padding:24px 0 30px;
  display:grid;
  grid-template-columns:1fr;
  gap:18px 24px;
}
@media (min-width:640px){
  .hero-stats{grid-template-columns:repeat(3,1fr);}
}
.hero-stat b{
  display:block;
  font-size:clamp(1.5rem,2.6vw,2rem);
  font-weight:900;
  letter-spacing:-.04em;
  color:var(--lime);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.hero-stat span{
  display:block;
  font-size:13.5px;
  color:rgba(246,245,241,.66);
  margin-top:6px;
}

/* ---------- 数据块 ---------- */
.metric-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px 24px;
  height:100%;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.metric-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--ink);
}
.metric-num{
  font-size:clamp(2.2rem,4.2vw,3.2rem);
  font-weight:900;
  letter-spacing:-.045em;
  line-height:1;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:baseline;
  gap:4px;
  margin-bottom:14px;
}
.metric-num em{
  font-style:normal;
  font-size:.4em;
  font-weight:700;
  color:var(--faint);
  letter-spacing:0;
}
.metric-card h3{
  font-size:15.5px;
  margin-bottom:8px;
  letter-spacing:-.01em;
}
.metric-card p{
  font-size:14px;
  color:var(--muted);
  margin:0;
  line-height:1.8;
}
.metric-card.is-accent{
  background:var(--ink);
  border-color:var(--ink);
}
.metric-card.is-accent .metric-num{color:var(--lime);}
.metric-card.is-accent h3{color:#fff;}
.metric-card.is-accent p{color:rgba(246,245,241,.72);}
.metric-card.is-accent .metric-num em{color:rgba(246,245,241,.6);}

/* ---------- 对比表 ---------- */
.cmp-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.cmp-table{
  width:100%;
  margin:0;
  border-collapse:collapse;
  border-spacing:0;
}
.cmp-table thead{background:transparent;}
.cmp-table th{
  background:var(--dark);
  color:#F6F5F1;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  text-align:left;
  padding:15px 18px;
  border:0;
}
.cmp-table td{
  padding:16px 18px;
  border-top:1px solid var(--line);
  font-size:15px;
  color:var(--muted);
  vertical-align:top;
  line-height:1.75;
}
.cmp-table td:first-child{
  color:var(--text);
  font-weight:700;
  width:26%;
}
.cmp-table tbody tr{background:transparent;}
.cmp-table tbody tr:nth-child(even){background:transparent;}
.cmp-table tbody tr:hover{background:#FBFAF7;}
.cmp-table tbody tr:nth-child(even):hover{background:#FBFAF7;}

.tag-time{
  display:inline-block;
  font-size:12.5px;
  font-weight:700;
  color:var(--ink);
  background:rgba(200,241,53,.30);
  border-radius:var(--radius-pill);
  padding:3px 12px;
  white-space:nowrap;
  font-variant-numeric:tabular-nums;
}

@media (max-width:768px){
  .cmp-table thead{display:none;}
  .cmp-table,
  .cmp-table tbody,
  .cmp-table tr,
  .cmp-table td{display:block;width:100%;}
  .cmp-table tr{
    border:1px solid var(--line);
    border-radius:var(--radius);
    background:#fff;
    margin-bottom:16px;
    overflow:hidden;
  }
  .cmp-table td{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    gap:18px;
    border-top:0;
    border-bottom:1px dashed var(--line);
    padding:12px 16px;
    font-size:14.5px;
  }
  .cmp-table td:last-child{border-bottom:0;}
  .cmp-table td:first-child{
    width:100%;
    background:#FBFAF7;
    font-size:15.5px;
  }
  .cmp-table td::before{
    content:attr(data-label);
    flex:0 0 auto;
    color:var(--faint);
    font-size:12.5px;
    font-weight:700;
    letter-spacing:.04em;
  }
  .cmp-table td:first-child::before{display:none;}
  .cmp-table tbody tr:hover{background:#fff;}
}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  padding-left:50px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:16px;
  top:10px;
  bottom:10px;
  width:2px;
  background:linear-gradient(180deg,var(--ink) 0%,rgba(226,225,218,.6) 100%);
}
.tl-item{
  position:relative;
  padding-bottom:32px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;
  left:-50px;
  top:0;
  width:34px;
  height:34px;
  border-radius:var(--radius-pill);
  background:#fff;
  border:1px solid var(--line);
  display:grid;
  place-items:center;
  font-size:13px;
  font-weight:900;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  transition:background-color .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
}
.tl-item.is-key .tl-num{
  background:var(--lime);
  border-color:var(--lime);
  color:var(--dark);
}
.tl-item h3{
  font-size:1.12rem;
  margin-bottom:6px;
  letter-spacing:-.02em;
}
.tl-item p{
  font-size:15.5px;
  color:var(--muted);
  margin:0;
  max-width:62ch;
}
.tl-item:hover .tl-num{
  border-color:var(--ink);
}

@media (min-width:768px){
  .timeline{padding-left:66px;}
  .timeline::before{left:22px;}
  .tl-num{left:-66px;width:46px;height:46px;font-size:15px;}
  .tl-item{padding-bottom:38px;}
}

/* ---------- 清单卡 ---------- */
.check-media{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:4 / 3;
  background:#fff;
}
.check-media img{width:100%;height:100%;object-fit:cover;}

.check-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  height:100%;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.check-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--ink);
}
.check-icon{
  width:42px;
  height:42px;
  border-radius:8px;
  background:var(--ink-soft);
  color:var(--ink);
  display:grid;
  place-items:center;
  font-size:16px;
  margin-bottom:16px;
}
.check-card h3{
  font-size:1.02rem;
  margin-bottom:8px;
  letter-spacing:-.015em;
}
.check-card p{
  font-size:14.5px;
  color:var(--muted);
  margin:0;
  line-height:1.8;
}

/* ---------- FAQ ---------- */
.faq-list{
  border-top:1px solid var(--line);
  max-width:960px;
}
.faq-item{
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:22px 4px;
  font-size:17px;
  font-weight:700;
  letter-spacing:-.015em;
  color:var(--text);
  border-left:3px solid transparent;
  transition:color .24s var(--ease),border-color .24s var(--ease),padding .24s var(--ease),background-color .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--ink);}
.faq-item[open] summary{
  border-left-color:var(--lime);
  padding-left:20px;
  color:var(--ink);
}
.faq-num{
  flex:0 0 auto;
  font-size:13px;
  font-weight:900;
  color:var(--faint);
  font-variant-numeric:tabular-nums;
  padding-top:5px;
  min-width:22px;
}
.faq-q{flex:1 1 auto;}
.faq-icon{
  flex:0 0 auto;
  color:var(--faint);
  font-size:15px;
  padding-top:5px;
  transition:transform .28s var(--ease),color .28s var(--ease);
}
.faq-item[open] .faq-icon{
  transform:rotate(45deg);
  color:var(--ink);
}
.faq-a{
  padding:0 4px 24px 58px;
  color:var(--muted);
  font-size:16px;
  line-height:1.9;
  max-width:76ch;
}
.faq-a p:last-child{margin-bottom:0;}

@media (max-width:520px){
  .faq-item summary{font-size:15.8px;gap:12px;padding:18px 2px;}
  .faq-item[open] summary{padding-left:16px;}
  .faq-a{padding:0 2px 20px 34px;font-size:15px;}
}

/* ---------- CTA 与表单 ---------- */
.cta-band{
  background:var(--dark);
  color:#F6F5F1;
  border-radius:var(--radius);
  padding:clamp(28px,4.4vw,56px);
  border:1px solid rgba(246,245,241,.10);
}
.cta-band h2{color:#fff;margin-bottom:.4em;}
.cta-band .cta-lead{
  color:rgba(246,245,241,.74);
  font-size:16.5px;
  max-width:52ch;
  margin-bottom:26px;
}
.cta-aside{
  border-left:1px solid rgba(246,245,241,.16);
  padding-left:26px;
}
.cta-aside ul li{
  display:flex;
  gap:12px;
  font-size:14.5px;
  color:rgba(246,245,241,.72);
  margin-bottom:14px;
  line-height:1.8;
}
.cta-aside ul li i{
  color:var(--lime);
  font-size:13px;
  padding-top:5px;
  flex:0 0 auto;
}
@media (max-width:1023px){
  .cta-aside{
    border-left:0;
    border-top:1px solid rgba(246,245,241,.16);
    padding-left:0;
    padding-top:26px;
    margin-top:30px;
  }
}

.form-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
@media (min-width:768px){
  .form-grid{grid-template-columns:1fr 1fr;}
  .form-grid .full{grid-column:1 / -1;}
}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:700;
  letter-spacing:.03em;
  color:rgba(246,245,241,.72);
  margin-bottom:8px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:12px 15px;
  font-size:15px;
  color:var(--text);
  outline:0;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.field select{
  appearance:none;
  -webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%235A625C' d='M8 11.2 2.8 6h10.4z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 14px center;
  background-size:12px;
  padding-right:38px;
}
.field textarea{min-height:128px;resize:vertical;line-height:1.8;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  border-color:var(--lime);
  background:#FDFDFB;
  box-shadow:0 0 0 3px rgba(200,241,53,.18);
}
.field .hint{
  font-size:12.5px;
  color:rgba(246,245,241,.52);
  margin-top:7px;
  line-height:1.7;
}
.form-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px;
  margin-top:26px;
}
.form-actions .form-note{
  font-size:13px;
  color:rgba(246,245,241,.6);
  margin:0;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:clamp(16px,3vw,32px);
  bottom:clamp(16px,3vw,32px);
  z-index:70;
  display:flex;
  align-items:center;
  gap:8px;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .32s var(--ease),transform .32s var(--ease),visibility .32s var(--ease);
}
.float-cta.is-visible{
  opacity:1;
  visibility:visible;
  transform:none;
}
.float-cta .btn{
  height:50px;
  box-shadow:0 14px 34px rgba(11,15,13,.20);
}
.float-close{
  width:36px;
  height:36px;
  border-radius:var(--radius-pill);
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
  display:grid;
  place-items:center;
  font-size:13px;
  transition:color .24s var(--ease),border-color .24s var(--ease);
}
.float-close:hover{color:var(--text);border-color:var(--muted);}

@media (max-width:767px){
  .float-cta{
    left:0;
    right:0;
    bottom:0;
    gap:10px;
    padding:10px 14px calc(10px + env(safe-area-inset-bottom));
    background:rgba(246,245,241,.97);
    -webkit-backdrop-filter:blur(10px);
    backdrop-filter:blur(10px);
    border-top:1px solid var(--line);
    transform:translateY(110%);
  }
  .float-cta.is-visible{transform:none;}
  .float-cta .btn{flex:1 1 auto;height:48px;}
  .float-close{width:44px;height:44px;flex:0 0 auto;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:rgba(246,245,241,.74);
  padding:clamp(48px,6vw,76px) 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:640px){
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:48px;}
}
.site-footer h4{
  color:#fff;
  font-size:13.5px;
  font-weight:800;
  letter-spacing:.1em;
  margin-bottom:16px;
}
.site-footer p{
  font-size:14.5px;
  line-height:1.9;
  color:rgba(246,245,241,.7);
  margin-bottom:12px;
}
.site-footer ul li{margin-bottom:11px;}
.site-footer ul li a{
  font-size:14.5px;
  color:rgba(246,245,241,.74);
  display:inline-flex;
  align-items:center;
  min-height:24px;
}
.site-footer ul li a:hover{color:var(--lime);}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(246,245,241,.14);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(246,245,241,.55);
  font-variant-numeric:tabular-nums;
}
.footer-bottom a{color:rgba(246,245,241,.8);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 入场动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.reveal.is-in{
  opacity:1;
  transform:none;
}

@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;}
}