/* roulang page: index */
:root{
  --lime:#B8F03C;
  --lime-2:#7FD12E;
  --orange:#FF6A3D;
  --ink:#0A1412;
  --ink-2:#12211D;
  --paper:#F5F7F2;
  --card:#FFFFFF;
  --line:#E2E7DC;
  --text:#16201C;
  --muted:#6B7A72;
  --dim:#9FB0A8;
  --radius:16px;
  --radius-sm:12px;
  --shadow-card:0 18px 40px -24px rgba(10,20,18,.4);
  --shadow-float:0 12px 32px -12px rgba(10,20,18,.28);
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#C6F65A;transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(184,240,60,.7)}
.btn-ghost{border-color:var(--text);color:var(--text);background:transparent}
.btn-ghost:hover{background:rgba(22,32,28,.06)}
.btn-ghost-dark{border-color:rgba(184,240,60,.5);color:#EAF1EC;background:transparent}
.btn-ghost-dark:hover{background:rgba(184,240,60,.1);border-color:var(--lime)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  --nfg:#F5F7F2;
  --ndim:rgba(245,247,242,.72);
  --nbg:transparent;
  --nline:transparent;
  --nsearch:rgba(255,255,255,.08);
  --nsearchline:rgba(255,255,255,.18);
  --nshadow:none;
  background:var(--nbg);
  border-bottom:1px solid var(--nline);
  box-shadow:var(--nshadow);
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-solid{
  --nfg:#16201C;
  --ndim:#6B7A72;
  --nbg:rgba(255,255,255,.95);
  --nline:#E2E7DC;
  --nsearch:#F5F7F2;
  --nsearchline:#E2E7DC;
  --nshadow:0 8px 28px -22px rgba(10,20,18,.65);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.nav-inner{
  width:100%;max-width:1200px;margin:0 auto;padding:0 20px;
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px;
}
@media (min-width:768px){.nav-inner{padding:0 32px}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:10px;height:10px;border-radius:3px;background:var(--lime);box-shadow:0 0 0 4px rgba(184,240,60,.18)}
.brand-name{font-size:19px;font-weight:800;color:var(--nfg);letter-spacing:.01em;line-height:1}
.brand-sub{display:none;font-size:12px;color:var(--ndim);padding-left:10px;border-left:1px solid var(--nsearchline);line-height:1}
@media (min-width:1280px){.brand-sub{display:block}}
.nav-links{display:none;align-items:center;gap:28px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{position:relative;padding:6px 0;font-size:14.5px;font-weight:500;color:var(--ndim);transition:color .2s ease}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--nfg)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--nfg)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{display:none;align-items:center;gap:8px;height:40px;width:240px;padding:0 12px;border-radius:12px;background:var(--nsearch);border:1px solid var(--nsearchline);transition:border-color .2s ease,box-shadow .2s ease}
@media (min-width:1180px){.nav-search{display:flex}}
.nav-search svg{width:16px;height:16px;color:var(--ndim);flex:0 0 auto}
.nav-search input{width:100%;border:0;background:transparent;outline:none;color:var(--nfg);font-size:14px}
.nav-search input::placeholder{color:var(--ndim)}
.nav-search:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(184,240,60,.24)}
.nav-actions>.btn-lime{display:none}
@media (min-width:1024px){.nav-actions>.btn-lime{display:inline-flex}}
.nav-toggle{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:40px;height:40px;border-radius:12px;background:var(--nsearch);border:1px solid var(--nsearchline);cursor:pointer;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--nfg)}
@media (min-width:1024px){.nav-toggle{display:none}}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;z-index:70;background:rgba(10,20,18,.55);opacity:0;pointer-events:none;transition:opacity .25s ease}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;z-index:80;height:100%;width:84vw;max-width:340px;
  background:var(--ink);color:#F5F7F2;padding:20px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .28s cubic-bezier(.4,0,.2,1);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid rgba(159,176,168,.18)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid rgba(159,176,168,.28);background:transparent;color:#F5F7F2;font-size:20px;line-height:1;cursor:pointer}
.drawer-close:hover{border-color:var(--lime);color:var(--lime)}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-top:18px}
.drawer-links a{padding:12px 4px;font-size:15px;color:var(--dim);border-bottom:1px solid rgba(159,176,168,.12);transition:color .2s ease}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--lime)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px;padding-top:20px}
.drawer-cta .btn{width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#F5F7F2;
  padding:104px 0 56px;
  background:
    radial-gradient(880px 520px at 84% 14%, rgba(184,240,60,.16), transparent 62%),
    linear-gradient(160deg,#0A1412 0%,#0E1B17 55%,#12211D 100%);
}
@media (min-width:1024px){.hero{padding:132px 0 88px}}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.75;
  background-image:
    linear-gradient(rgba(184,240,60,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,240,60,.07) 1px, transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:radial-gradient(circle at 28% 22%, #000 0%, transparent 70%);
  mask-image:radial-gradient(circle at 28% 22%, #000 0%, transparent 70%);
}
.hero-grid{position:relative;z-index:1;display:grid;gap:44px}
@media (min-width:1024px){.hero-grid{grid-template-columns:55fr 45fr;gap:52px;align-items:center}}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(184,240,60,.14);border:1px solid rgba(184,240,60,.32);
  color:#D9F79A;font-size:12.5px;letter-spacing:.02em;margin-bottom:20px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--lime);display:block}
.hero-title{
  font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.16;letter-spacing:-.01em;
  max-width:15em;
}
.hero-title em{font-style:normal;color:var(--lime)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:rgba(245,247,242,.74);max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:36px;padding-top:24px;border-top:1px solid rgba(159,176,168,.2)}
.hero-trust div{display:flex;flex-direction:column;gap:2px}
.hero-trust strong{font-size:20px;font-weight:800;color:var(--lime);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-trust span{font-size:13px;color:var(--dim)}
.hero-visual{position:relative}
.hero-photo{position:relative;border-radius:24px;overflow:hidden;aspect-ratio:4/3;background:var(--ink-2)}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,20,18,.12),rgba(10,20,18,.46))}
.login-panel{
  position:relative;z-index:2;width:min(340px,92%);margin:-48px auto 0;
  background:#fff;color:var(--text);border-radius:20px;padding:22px;
  box-shadow:var(--shadow-float);border:1px solid var(--line);
}
@media (min-width:1024px){
  .login-panel{position:absolute;right:-10px;bottom:-30px;width:330px;margin:0}
}
.login-panel h2{font-size:16px;font-weight:700;margin-bottom:4px}
.login-panel p{font-size:12.5px;color:var(--muted);margin-bottom:16px}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--muted);margin-bottom:6px}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);outline:none;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#A9B6AE}
.field input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(184,240,60,.28)}
.login-panel .btn{width:100%;margin-top:6px}
.login-help{display:flex;justify-content:space-between;gap:12px;margin-top:14px;font-size:12.5px}
.login-help a{color:#1D6B4E;text-decoration:underline;text-underline-offset:3px}
.login-help a:hover{color:#0F4B36}

/* ---------- 板块通用 ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:92px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:34px}
.h2{position:relative;padding-left:16px;font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.28}
.h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:22px;border-radius:2px;background:var(--lime)}
.section-lead{margin-top:10px;font-size:15.5px;color:var(--muted);max-width:56ch}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:#1D6B4E}
.link-more span{transition:transform .2s ease}
.link-more:hover{color:#0F4B36}
.link-more:hover span{transform:translateX(4px)}

/* ---------- 卡片 ---------- */
.card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(184,240,60,.55);box-shadow:var(--shadow-card)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--ink-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:22px}
.card-title{font-size:19px;font-weight:700;line-height:1.45}
.card-desc{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- 玩法（非对称网格） ---------- */
.feature-grid{display:grid;gap:20px}
@media (min-width:1024px){.feature-grid{grid-template-columns:7fr 5fr;gap:24px}}
.feature-side{display:grid;gap:20px;grid-template-rows:1fr 1fr}
@media (min-width:1024px){.feature-side{gap:24px}}
.feature-side .card-media{aspect-ratio:16/9}
.feature-side .card-body{padding:20px}
.feature-side .card-title{font-size:17px}
.feature-side .card-desc{margin-top:8px;font-size:14px}

/* ---------- 奖励区（深底） ---------- */
.reward-band{position:relative;overflow:hidden;background:var(--ink);color:#F5F7F2}
.reward-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.9;
  background-image:
    linear-gradient(rgba(184,240,60,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,240,60,.08) 1px, transparent 1px);
  background-size:24px 24px;
}
.reward-band .container{position:relative;z-index:1}
.reward-band .h2{color:#F5F7F2}
.reward-band .section-lead{color:var(--dim)}
.reward-track{display:grid;gap:16px;grid-auto-flow:column;grid-auto-columns:minmax(232px,1fr);overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px}
.reward-track::-webkit-scrollbar{height:6px}
.reward-track::-webkit-scrollbar-thumb{background:rgba(184,240,60,.4);border-radius:99px}
@media (min-width:1024px){.reward-track{grid-auto-flow:row;grid-template-columns:repeat(4,1fr);overflow:visible;padding-bottom:0}}
.reward-card{
  scroll-snap-align:start;background:var(--ink-2);border:1px solid rgba(184,240,60,.14);
  border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:10px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.reward-card:hover{transform:translateY(-4px);border-color:rgba(184,240,60,.5);box-shadow:0 20px 40px -26px rgba(0,0,0,.9)}
.reward-name{font-size:15.5px;font-weight:600;color:#F5F7F2}
.reward-num{font-size:34px;font-weight:800;line-height:1.1;color:var(--lime);font-variant-numeric:tabular-nums}
.reward-desc{font-size:13.5px;color:var(--dim);line-height:1.75}

/* ---------- 标签 ---------- */
.chip{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;letter-spacing:.02em;background:rgba(184,240,60,.16);color:#16321F}
.chip-orange{background:rgba(255,106,61,.16);color:#B23A16}
.chip-neutral{background:#EDF1E8;color:#5C6B63}
.chip-on-dark{background:rgba(255,106,61,.18);color:#FFB79E}

/* ---------- 步骤 ---------- */
.steps{display:grid;gap:22px}
@media (min-width:768px){.steps{grid-template-columns:repeat(4,1fr);gap:24px}}
.step{position:relative;padding-left:0}
.step::after{content:"";position:absolute;left:38px;right:-24px;top:11px;height:6px;border-radius:3px;background:linear-gradient(90deg,var(--lime),var(--lime-2))}
.step:last-child::after{display:none}
@media (max-width:767px){
  .step::after{left:11px;right:auto;top:38px;bottom:-22px;width:6px;height:auto;background:linear-gradient(180deg,var(--lime),var(--lime-2))}
}
.step-dot{
  position:relative;z-index:2;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  background:var(--lime);color:var(--ink);border:2px solid var(--lime);
}
.step-title{margin-top:14px;font-size:16px;font-weight:600}
.step-desc{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;background:var(--ink);color:#F5F7F2;
  padding:34px 24px;display:grid;gap:26px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.9;
  background-image:
    linear-gradient(rgba(184,240,60,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,240,60,.08) 1px, transparent 1px);
  background-size:24px 24px;
}
.cta-band>*{position:relative;z-index:1}
@media (min-width:1024px){.cta-band{grid-template-columns:1fr auto;align-items:center;padding:46px 48px;gap:40px}}
.cta-title{font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.3}
.cta-desc{margin-top:12px;font-size:15px;color:var(--dim);max-width:46ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-side{display:flex;align-items:center;gap:18px}
.qr-box{
  width:112px;height:112px;border-radius:12px;background:#fff;padding:10px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;flex:0 0 auto;
}
.qr-box svg{width:64px;height:64px;display:block}
.qr-box span{font-size:11px;color:var(--muted);line-height:1}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;gap:20px}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(184,240,60,.55);box-shadow:var(--shadow-card)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--ink-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px}
.news-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-title{
  font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{display:inline-flex;align-items:center;gap:6px;margin-top:auto;font-size:13.5px;font-weight:600;color:#1D6B4E}
.news-more span{transition:transform .2s ease}
.news-card:hover .news-more span{transform:translateX(4px)}
.empty-state{
  grid-column:1/-1;min-height:200px;border:1px dashed var(--line);border-radius:var(--radius);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  color:var(--muted);font-size:14px;text-align:center;padding:32px 20px;background:#fff;
}
.empty-state svg{width:36px;height:36px;color:#C4D0C6}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s ease,background .2s ease}
.faq-item[open]{border-color:rgba(184,240,60,.55);background:var(--paper)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;font-size:16px;font-weight:600;line-height:1.6;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;font-size:20px;font-weight:400;color:var(--lime-2);line-height:1;transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink);color:var(--dim);font-size:13.5px;line-height:1.9;padding-top:56px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--lime),transparent)}
.footer-grid{display:grid;gap:34px}
@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 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#F5F7F2}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{font-size:17px;font-weight:800}
.footer-intro{margin-top:14px;max-width:32ch}
.footer-title{color:#F5F7F2;font-size:14px;font-weight:700;margin-bottom:12px}
.footer-links a{display:block;padding:3px 0;color:var(--dim);transition:color .2s ease}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(159,176,168,.16);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:13px;
}
.footer-bottom span{color:rgba(159,176,168,.9)}

/* roulang page: article */
:root{
  --lime:#B8F03C;
  --lime-strong:#7FD12E;
  --lime-soft:rgba(184,240,60,.16);
  --ink:#0A1412;
  --ink-soft:#12211D;
  --paper:#F5F7F2;
  --card:#FFFFFF;
  --line:#E2E7DC;
  --text:#16201C;
  --text-2:#31413A;
  --muted:#6B7A72;
  --muted-dark:#9FB0A8;
  --ember:#FF6A3D;
  --ember-soft:rgba(255,106,61,.14);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --shadow-sm:0 1px 2px rgba(10,20,18,.06);
  --shadow-md:0 12px 32px -12px rgba(10,20,18,.28);
  --shadow-lime:0 10px 24px -10px rgba(184,240,60,.7);
  --header-h:64px;
  --ease:cubic-bezier(.4,.14,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.num,.tabular{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lime{background:var(--lime);color:var(--ink);border:1px solid var(--lime)}
.btn-lime:hover{background:#C6F75A;transform:translateY(-1px);box-shadow:var(--shadow-lime)}
.btn-lime:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--text);border:1px solid #BFC9BC}
.btn-ghost:hover{background:rgba(22,32,28,.06);border-color:var(--text);transform:translateY(-1px)}
.btn-ghost-dark{background:transparent;color:#EAF3EE;border:1px solid rgba(184,240,60,.5)}
.btn-ghost-dark:hover{background:rgba(184,240,60,.12);border-color:var(--lime);transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 徽章 / 标签 ---------- */
.chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;letter-spacing:.02em;background:var(--lime-soft);color:#16321F;font-weight:600}
.chip-ember{background:var(--ember-soft);color:#8C3312}
.chip-neutral{background:#EDF1E8;color:var(--muted)}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;font-size:13px;border:1px solid var(--line);background:#fff;color:var(--muted);transition:.2s var(--ease)}
.tag:hover{border-color:rgba(184,240,60,.55);color:var(--text);background:#FBFDF6}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;height:var(--header-h);
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 28px -22px rgba(10,20,18,.75)}
.nav-inner{max-width:1200px;margin:0 auto;height:100%;padding:0 20px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:10px;height:10px;border-radius:3px;background:var(--lime);box-shadow:0 0 0 4px rgba(184,240,60,.2);flex-shrink:0}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.02em;white-space:nowrap}
.brand-sub{font-size:12px;color:var(--muted);padding-left:12px;border-left:1px solid var(--line);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:6px}
.nav-link{position:relative;font-size:14.5px;font-weight:500;color:var(--muted);padding:6px 0;white-space:nowrap;transition:color .2s var(--ease)}
.nav-link:hover{color:var(--text)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--lime)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{display:flex;align-items:center;gap:8px;height:40px;width:230px;padding:0 14px;border-radius:var(--r-sm);background:var(--paper);border:1px solid var(--line);transition:.2s var(--ease)}
.nav-search:focus-within{border-color:var(--lime);background:#fff;box-shadow:0 0 0 3px rgba(184,240,60,.28)}
.nav-search svg{width:16px;height:16px;color:var(--muted);flex-shrink:0}
.nav-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px}
.nav-search input::placeholder{color:#9AA9A0}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.2s var(--ease)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(10,20,18,.55);z-index:90;opacity:0;pointer-events:none;transition:opacity .25s var(--ease)}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:100;
  background:var(--ink);color:#EAF3EE;padding:22px 20px 28px;
  display:flex;flex-direction:column;gap:22px;
  transform:translateX(102%);transition:transform .3s var(--ease);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;gap:10px}
.drawer-head strong{font-size:17px;font-weight:800;color:#fff}
.drawer-close{margin-left:auto;width:36px;height:36px;border-radius:10px;border:1px solid rgba(159,176,168,.35);color:#EAF3EE;font-size:20px;line-height:1}
.drawer-links{display:flex;flex-direction:column;gap:2px}
.drawer-links a{padding:14px 4px;font-size:16px;color:#D8E4DD;border-bottom:1px solid rgba(159,176,168,.16);transition:color .2s var(--ease)}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--lime)}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:18px 0}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--text)}
.breadcrumb .sep{color:#B6C2B8}
.breadcrumb .current{color:var(--muted);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head-wrap{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:
    linear-gradient(rgba(184,240,60,.07) 1px,transparent 1px) 0 0/24px 24px,
    linear-gradient(90deg,rgba(184,240,60,.07) 1px,transparent 1px) 0 0/24px 24px,
    linear-gradient(135deg,#0F1F1A 0%,#0A1412 60%,#12211D 100%);
  color:#EAF3EE;
  padding:38px 36px 34px;
}
.article-head-wrap::after{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(184,240,60,.22),transparent 68%)}
.article-head{position:relative;z-index:1;max-width:860px}
.article-head .chip{background:rgba(184,240,60,.18);color:#D6F98A}
.article-h1{font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.25;color:#fff;margin:18px 0 16px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--muted-dark);padding-top:16px;border-top:1px solid rgba(159,176,168,.2)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(184,240,60,.7)}

/* ---------- 正文布局 ---------- */
.article-main{padding:40px 0 76px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 292px;gap:52px;align-items:start}
.article-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:40px 44px;box-shadow:var(--shadow-sm)}

.article-body{max-width:780px;overflow-x:auto}
.article-body h2{font-size:24px;font-weight:700;margin:2.2em 0 .7em;padding-left:14px;position:relative;color:var(--text)}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:1.05em;border-radius:2px;background:var(--lime)}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:19px;font-weight:600;margin:1.8em 0 .55em;color:var(--text)}
.article-body h4{font-size:16.5px;font-weight:600;margin:1.5em 0 .5em;color:var(--text-2)}
.article-body p{margin:0 0 1.15em;font-size:17px;line-height:1.9;color:var(--text-2)}
.article-body p:first-of-type{font-size:18px;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 1.3em}
.article-body li{position:relative;padding-left:24px;margin-bottom:.55em;font-size:16.5px;line-height:1.85;color:var(--text-2)}
.article-body ul>li::before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--lime)}
.article-body ol{counter-reset:li}
.article-body ol>li{counter-increment:li}
.article-body ol>li::before{content:counter(li) ".";position:absolute;left:0;top:0;font-size:14px;font-weight:700;color:#5C7A1F;font-variant-numeric:tabular-nums}
.article-body blockquote{margin:1.6em 0;padding:16px 22px;background:var(--paper);border-left:3px solid var(--lime);border-radius:var(--r-sm);color:var(--text-2)}
.article-body blockquote p{margin-bottom:0;font-size:16px}
.article-body img{border-radius:var(--r-sm);margin:1.7em 0 .7em}
.article-body figure{margin:1.7em 0}
.article-body figcaption{font-size:13px;color:var(--muted);margin-top:8px;text-align:center}
.article-body a{color:#0F5C46;text-decoration:underline;text-decoration-color:rgba(15,92,70,.35);text-underline-offset:3px;transition:.2s var(--ease)}
.article-body a:hover{color:var(--text);text-decoration-color:var(--lime)}
.article-body strong{font-weight:600;color:var(--text)}
.article-body table{width:100%;min-width:540px;border-collapse:collapse;font-size:15px;margin:1.5em 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--paper);font-weight:600}
.article-body pre{overflow-x:auto;background:var(--ink);color:#DBE7E1;padding:18px;border-radius:var(--r-sm);font-size:14px;line-height:1.7}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ---------- 空态 ---------- */
.empty-state{border:1px dashed var(--line);border-radius:var(--r-md);padding:56px 24px;text-align:center;background:#FBFCF9}
.empty-state .glyph{width:56px;height:56px;margin:0 auto 18px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:var(--lime-soft);color:#3D5B14;font-size:22px;font-weight:800}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{font-size:14.5px;color:var(--muted);margin-bottom:22px}

/* ---------- 侧边栏 ---------- */
.sidebar{position:sticky;top:calc(var(--header-h) + 24px);display:flex;flex-direction:column;gap:18px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px 22px 20px;box-shadow:var(--shadow-sm)}
.side-title{font-size:14px;font-weight:700;letter-spacing:.02em;color:var(--text);display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--lime)}
.side-links{display:flex;flex-direction:column}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;font-size:14.5px;color:var(--muted);border-bottom:1px dashed var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{color:var(--text);padding-left:4px}
.side-links a span{color:#B6C2B8;font-size:12px}
.side-note{font-size:13px;color:var(--muted);line-height:1.85}
.side-cta{margin-top:16px;width:100%}
.side-points{display:flex;flex-direction:column;gap:10px}
.side-points li{display:flex;gap:10px;font-size:13.5px;color:var(--muted);line-height:1.7}
.side-points li i{flex-shrink:0;width:6px;height:6px;border-radius:2px;background:var(--lime);margin-top:8px}

/* ---------- 文末 / 相关推荐 ---------- */
.article-foot{margin-top:34px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.article-foot .foot-label{font-size:13px;color:var(--muted);margin-right:2px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-left:auto}

.section{padding:0 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;padding-left:14px;position:relative}
.section-head h2::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:1em;border-radius:2px;background:var(--lime)}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:8px;padding-left:14px}
.section-link{font-size:14px;font-weight:600;color:var(--text);display:inline-flex;align-items:center;gap:6px;transition:.2s var(--ease)}
.section-link:hover{color:#5C7A1F;gap:10px}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:rgba(184,240,60,.55);box-shadow:var(--shadow-md)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .media-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:rgba(184,240,60,.6);font-size:24px;background:linear-gradient(rgba(184,240,60,.08) 1px,transparent 1px) 0 0/24px 24px,linear-gradient(90deg,rgba(184,240,60,.08) 1px,transparent 1px) 0 0/24px 24px,var(--ink-soft)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-tags{display:flex;align-items:center;gap:10px}
.card-title{font-size:17.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);padding-top:6px}
.card-foot .arrow{font-size:16px;color:#B6C2B8;transition:transform .2s var(--ease),color .2s var(--ease)}
.card:hover .card-foot .arrow{transform:translateX(4px);color:#5C7A1F}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item[open]{border-color:rgba(184,240,60,.55);box-shadow:var(--shadow-sm)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:18px 22px;font-size:16px;font-weight:600;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .mark{margin-left:auto;flex-shrink:0;width:22px;height:22px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:#5C7A1F;font-size:14px;font-weight:700;transition:.2s var(--ease)}
.faq-item[open] summary .mark{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.faq-item .faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);background:var(--paper)}
.faq-item .faq-body p{padding-top:16px;margin:0}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#EAF3EE;border-radius:var(--r-lg);
  padding:44px 44px;display:flex;flex-wrap:wrap;align-items:center;gap:28px;
  background-image:linear-gradient(rgba(184,240,60,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(184,240,60,.06) 1px,transparent 1px);
  background-size:24px 24px;
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);color:#fff;margin-bottom:10px}
.cta-band p{font-size:14.5px;color:var(--muted-dark);max-width:560px}
.cta-band .cta-actions{margin-left:auto;display:flex;flex-wrap:wrap;gap:12px}
.cta-qr{flex-shrink:0;width:104px;height:104px;border-radius:var(--r-sm);background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--ink);font-size:12px;font-weight:600}
.cta-qr .qr-glyph{width:38px;height:38px;border-radius:10px;background:var(--paper);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:#5C7A1F;font-size:13px;font-weight:800}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--muted-dark);margin-top:20px;padding:56px 0 26px;position:relative}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(184,240,60,.55),transparent)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800}
.footer-intro{font-size:13.5px;line-height:1.9;color:var(--muted-dark);max-width:320px}
.footer-title{font-size:14px;font-weight:600;color:#D8E4DD;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{font-size:13.5px;line-height:1.9;padding:4px 0;color:var(--muted-dark);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(159,176,168,.18);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#7E8F87}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-search{width:190px}
  .nav-links{gap:20px}
  .article-layout{gap:36px;grid-template-columns:minmax(0,1fr) 268px}
}
@media (max-width:1023px){
  .nav-search{display:none}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .brand-sub{display:none}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;margin-top:28px}
  .article-card{padding:32px 26px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{padding:36px 28px}
  .cta-band .cta-actions{margin-left:0;width:100%}
}
@media (max-width:767px){
  :root{--header-h:56px}
  .container{padding:0 18px}
  .brand-name{font-size:17px}
  .article-head-wrap{padding:28px 22px 26px;border-radius:var(--r-md)}
  .article-main{padding:28px 0 54px}
  .article-card{padding:24px 18px}
  .article-body p,.article-body li{font-size:16px}
  .breadcrumb .current{max-width:100%}
  .section{padding:0 0 52px}
  .card-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-band{padding:30px 20px;border-radius:var(--r-md)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .back-row{margin-left:0}
}
@media (max-width:520px){
  .article-h1{font-size:24px}
  .btn{width:100%}
  .back-row{width:100%}
  .back-row .btn{width:100%}
  .cta-band .cta-actions{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --lime:#B8F03C;
  --lime-2:#7FD12E;
  --orange:#FF6A3D;
  --ink:#0A1412;
  --ink-2:#12211D;
  --paper:#F5F7F2;
  --card:#FFFFFF;
  --line:#E2E7DC;
  --text:#16201C;
  --muted:#6B7A72;
  --muted-d:#9FB0A8;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --sh-1:0 2px 10px -6px rgba(10,20,18,.18);
  --sh-2:0 12px 32px -12px rgba(10,20,18,.28);
  --sh-lime:0 10px 24px -10px rgba(184,240,60,.7);
  --nav-h:64px;
}
@media (max-width:767px){ :root{ --nav-h:56px; } }

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

.site-body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.site-body img{max-width:100%;display:block;}
.site-body a{color:inherit;text-decoration:none;}
.site-body button,.site-body input{font:inherit;color:inherit;}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p{margin:0;line-height:1.3;}
.site-body ul,.site-body ol{margin:0;padding:0;list-style:none;}
.site-body a:focus-visible,.site-body button:focus-visible,.site-body input:focus-visible,.site-body summary:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
}

.site-body .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){ .site-body .container{padding:0 32px;} }

/* ============ 导航 ============ */
.site-body .site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.site-body .site-header.is-scrolled{
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -20px rgba(10,20,18,.6);
}
.site-body .nav-inner{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  height:100%;
  display:flex;
  align-items:center;
  gap:26px;
}
@media (min-width:768px){ .site-body .nav-inner{padding:0 32px;} }

.site-body .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.site-body .brand-mark{
  width:16px;height:16px;border-radius:5px;flex:none;
  background:var(--lime);
  box-shadow:0 0 0 4px rgba(184,240,60,.16);
}
.site-body .brand-name{
  font-size:19px;font-weight:800;letter-spacing:.01em;
  color:#F5F7F2;transition:color .25s ease;white-space:nowrap;
}
.site-body .brand-sub{
  display:none;font-size:12px;color:var(--muted-d);
  padding-left:10px;border-left:1px solid rgba(255,255,255,.16);
  white-space:nowrap;transition:color .25s ease,border-color .25s ease;
}
@media (min-width:1024px){ .site-body .brand-sub{display:inline;} }

.site-body .nav-links{display:none;align-items:center;gap:26px;}
@media (min-width:1024px){ .site-body .nav-links{display:flex;} }
.site-body .nav-link{
  position:relative;
  font-size:14.5px;
  font-weight:500;
  color:rgba(245,247,242,.78);
  padding:6px 0;
  white-space:nowrap;
  transition:color .2s ease;
}
.site-body .nav-link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  border-radius:2px;background:var(--lime);transition:width .22s ease;
}
.site-body .nav-link:hover{color:#fff;}
.site-body .nav-link:hover::after{width:100%;}
.site-body .nav-link.is-active{color:#fff;}
.site-body .nav-link.is-active::after{width:100%;}

.site-body .site-header.is-scrolled .brand-name{color:var(--text);}
.site-body .site-header.is-scrolled .brand-sub{color:var(--muted);border-left-color:var(--line);}
.site-body .site-header.is-scrolled .nav-link{color:#41514A;}
.site-body .site-header.is-scrolled .nav-link:hover,
.site-body .site-header.is-scrolled .nav-link.is-active{color:var(--text);}

.site-body .nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.site-body .nav-search{
  display:none;align-items:center;gap:8px;height:40px;padding:0 12px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
@media (min-width:1024px){ .site-body .nav-search{display:flex;width:240px;} }
.site-body .nav-search svg{width:16px;height:16px;flex:none;color:var(--muted-d);}
.site-body .nav-search input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:#F5F7F2;
}
.site-body .nav-search input::placeholder{color:rgba(159,176,168,.9);}
.site-body .nav-search:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(184,240,60,.28);}
.site-body .site-header.is-scrolled .nav-search{border-color:var(--line);background:var(--paper);}
.site-body .site-header.is-scrolled .nav-search input{color:var(--text);}
.site-body .site-header.is-scrolled .nav-search svg{color:var(--muted);}

.site-body .nav-toggle{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;padding:0 10px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  cursor:pointer;transition:background-color .2s ease,border-color .2s ease;
}
@media (min-width:1024px){ .site-body .nav-toggle{display:none;} }
.site-body .nav-toggle span{display:block;height:2px;border-radius:2px;background:#F5F7F2;transition:background-color .2s ease;}
.site-body .site-header.is-scrolled .nav-toggle{border-color:var(--line);background:var(--paper);}
.site-body .site-header.is-scrolled .nav-toggle span{background:var(--text);}

/* 移动抽屉 */
.site-body .drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(10,20,18,.6);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.site-body .drawer-mask.is-open{opacity:1;visibility:visible;}
.site-body .nav-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;
  width:84vw;max-width:360px;
  background:var(--ink);
  display:flex;flex-direction:column;
  padding:22px 22px 26px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .28s cubic-bezier(.4,0,.2,1);
}
.site-body .nav-drawer.is-open{transform:translateX(0);}
@media (min-width:1024px){ .site-body .nav-drawer,.site-body .drawer-mask{display:none;} }
.site-body .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.site-body .drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:transparent;color:#F5F7F2;font-size:18px;line-height:1;cursor:pointer;
}
.site-body .drawer-links{display:grid;gap:4px;margin-bottom:auto;}
.site-body .drawer-links a{
  display:block;padding:14px 4px;font-size:16px;font-weight:500;
  color:rgba(245,247,242,.8);border-bottom:1px solid rgba(255,255,255,.08);
  transition:color .2s ease,padding-left .2s ease;
}
.site-body .drawer-links a:hover{color:var(--lime);padding-left:8px;}
.site-body .drawer-links a.is-active{color:var(--lime);}
.site-body .drawer-cta{display:grid;gap:12px;margin-top:26px;}

/* ============ 按钮 ============ */
.site-body .btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.site-body .btn:active{transform:translateY(0);}
.site-body .btn-lime{background:var(--lime);color:var(--ink);}
.site-body .btn-lime:hover{background:#C6F65A;transform:translateY(-1px);box-shadow:var(--sh-lime);}
.site-body .btn-ghost{border-color:rgba(22,32,28,.28);color:var(--text);background:transparent;}
.site-body .btn-ghost:hover{background:rgba(22,32,28,.06);}
.site-body .btn-dark-ghost{border-color:rgba(184,240,60,.5);color:var(--lime);background:transparent;}
.site-body .btn-dark-ghost:hover{background:rgba(184,240,60,.1);}
.site-body .btn-sm{height:40px;padding:0 18px;font-size:14px;}
.site-body .btn-lg{height:52px;padding:0 30px;font-size:16px;}

/* ============ 头图条 ============ */
.site-body .page-hero{
  position:relative;
  margin-top:calc(var(--nav-h) * -1);
  padding-top:calc(var(--nav-h) + 44px);
  padding-bottom:52px;
  background-image:linear-gradient(100deg,rgba(10,20,18,.94) 18%,rgba(10,20,18,.66) 68%,rgba(10,20,18,.82) 100%),url(/assets/images/backpic/back-1.png);
  background-size:cover;
  background-position:center;
  color:#F5F7F2;
  overflow:hidden;
}
.site-body .page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(184,240,60,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(184,240,60,.08) 1px,transparent 1px);
  background-size:24px 24px;
  opacity:.6;
}
.site-body .page-hero .container{position:relative;z-index:1;}
.site-body .breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(245,247,242,.6);margin-bottom:18px;
}
.site-body .breadcrumb a{color:rgba(245,247,242,.82);transition:color .2s ease;}
.site-body .breadcrumb a:hover{color:var(--lime);}
.site-body .breadcrumb .sep{color:rgba(245,247,242,.35);}
.site-body .page-hero h1{
  font-size:clamp(26px,4.2vw,38px);
  font-weight:800;line-height:1.25;letter-spacing:-.01em;
  color:#fff;max-width:860px;margin-bottom:16px;
}
.site-body .hero-sub{
  font-size:15.5px;line-height:1.85;
  color:rgba(233,240,235,.78);max-width:680px;margin-bottom:22px;
}
.site-body .hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.site-body .pill{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
  white-space:nowrap;
}
.site-body .pill-lime{background:rgba(184,240,60,.16);color:#16321F;}
.site-body .pill-orange{background:rgba(255,106,61,.14);color:#8F3216;}
.site-body .pill-grey{background:rgba(22,32,28,.07);color:#41514A;}
.site-body .page-hero .pill-lime{background:var(--lime);color:var(--ink);}
.site-body .page-hero .pill-dark{background:rgba(255,255,255,.1);color:#DDE6DE;border:1px solid rgba(255,255,255,.18);}

/* ============ 板块 ============ */
.site-body .section{padding:56px 0;}
@media (min-width:1024px){ .site-body .section{padding:92px 0;} }
.site-body .section-alt{
  background:#FFFFFF;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.site-body .section-head{max-width:780px;margin-bottom:34px;}
.site-body .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:#2F6B2A;margin-bottom:12px;
}
.site-body .eyebrow::before{
  content:"";width:18px;height:2px;border-radius:2px;background:var(--lime-2);display:block;
}
.site-body .h2{
  position:relative;
  font-size:clamp(22px,2.6vw,32px);
  font-weight:700;line-height:1.32;
  padding-left:16px;margin-bottom:14px;
}
.site-body .h2::before{
  content:"";position:absolute;left:0;top:.28em;
  width:4px;height:20px;border-radius:2px;background:var(--lime);
}
.site-body .lead{font-size:16px;line-height:1.85;color:var(--muted);}

/* ============ 交替图文 ============ */
.site-body .compare-list{display:grid;}
.site-body .compare-row{
  display:grid;gap:24px;align-items:center;
  padding:30px 0;border-top:1px solid var(--line);
}
.site-body .compare-row:first-child{border-top:0;padding-top:0;}
@media (min-width:1024px){
  .site-body .compare-row{grid-template-columns:5fr 7fr;gap:56px;padding:36px 0;}
  .site-body .compare-row.is-reverse .compare-media{order:2;}
  .site-body .compare-row.is-reverse .compare-body{order:1;}
}
.site-body .compare-media{
  border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);background:var(--ink-2);
  box-shadow:var(--sh-1);
}
.site-body .compare-media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.site-body .compare-body h3{
  font-size:20px;font-weight:700;line-height:1.42;margin:12px 0 12px;
}
@media (min-width:1024px){ .site-body .compare-body h3{font-size:23px;} }
.site-body .compare-body p{font-size:15.5px;line-height:1.85;color:#38473F;margin-bottom:14px;}
.site-body .check-list{display:grid;gap:10px;margin-top:4px;}
.site-body .check-list li{
  position:relative;padding-left:24px;
  font-size:14.5px;line-height:1.7;color:var(--muted);
}
.site-body .check-list li::before{
  content:"✓";position:absolute;left:0;top:0;
  color:#3C7A2C;font-size:13px;font-weight:700;
}

/* ============ 对照区 ============ */
.site-body .versus{display:grid;gap:22px;margin-top:6px;}
@media (min-width:900px){ .site-body .versus{grid-template-columns:1fr 1fr;gap:30px;} }
.site-body .versus-col{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--card);padding:26px 24px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.site-body .versus-col:hover{border-color:rgba(184,240,60,.55);box-shadow:var(--sh-1);transform:translateY(-3px);}
.site-body .versus-col.is-alt{background:#F0F4EB;}
.site-body .versus-col h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.site-body .versus-note{font-size:13.5px;color:var(--muted);line-height:1.7;margin-bottom:18px;}
.site-body .vs-list{counter-reset:vs;display:grid;gap:14px;}
.site-body .vs-list li{
  position:relative;padding-left:42px;
  font-size:15px;line-height:1.7;color:#2C3A33;
}
.site-body .vs-list li::before{
  counter-increment:vs;
  content:counter(vs,decimal-leading-zero);
  position:absolute;left:0;top:2px;
  font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
  color:#16321F;background:rgba(184,240,60,.45);
  border-radius:8px;padding:3px 7px;
}

.site-body .conclusion{
  margin-top:30px;
  display:grid;gap:18px;
  background:var(--ink-2);color:#E7EFE8;
  border:1px solid rgba(184,240,60,.22);
  border-radius:20px;padding:28px 26px;
}
@media (min-width:768px){
  .site-body .conclusion{grid-template-columns:auto 1fr;align-items:center;gap:34px;padding:34px 38px;}
}
.site-body .conclusion .num{
  font-size:clamp(38px,6vw,56px);
  font-weight:800;line-height:1;
  color:var(--lime);font-variant-numeric:tabular-nums;
}
.site-body .conclusion .num em{font-style:normal;font-size:16px;font-weight:600;margin-left:4px;color:#C9D6CE;}
.site-body .conclusion p{font-size:15.5px;line-height:1.85;color:#C9D6CE;}
.site-body .conclusion strong{color:#FFFFFF;font-weight:700;}

/* ============ 指标 ============ */
.site-body .metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
@media (min-width:900px){ .site-body .metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;} }
.site-body .metric{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px 20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-body .metric:hover{transform:translateY(-4px);border-color:rgba(184,240,60,.55);box-shadow:var(--sh-2);}
.site-body .metric .val{
  font-size:clamp(26px,3.4vw,34px);
  font-weight:800;line-height:1.1;letter-spacing:-.01em;
  font-variant-numeric:tabular-nums;
}
.site-body .metric .val em{font-style:normal;font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;}
.site-body .metric .lab{margin-top:10px;font-size:13.5px;line-height:1.7;color:var(--muted);}
.site-body .metric .bar{margin-top:16px;height:6px;border-radius:999px;background:var(--line);overflow:hidden;}
.site-body .metric .bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--lime),var(--lime-2));}

/* ============ FAQ ============ */
.site-body .faq{display:grid;gap:14px;max-width:900px;}
.site-body .faq-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-body .faq-item[open]{border-color:rgba(184,240,60,.6);box-shadow:var(--sh-1);}
.site-body .faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;line-height:1.6;
}
.site-body .faq-item summary::-webkit-details-marker{display:none;}
.site-body .faq-item summary::after{
  content:"+";flex:none;color:var(--lime-2);
  font-size:22px;font-weight:700;line-height:1;
  transition:transform .2s ease;
}
.site-body .faq-item[open] summary::after{content:"−";}
.site-body .faq-body{
  padding:16px 20px 20px;
  font-size:15px;line-height:1.85;color:#38473F;
  background:var(--paper);border-top:1px solid var(--line);
}

/* ============ CTA ============ */
.site-body .cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:#F5F7F2;
  border-radius:var(--r-lg);
  padding:38px 26px;
}
.site-body .cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(184,240,60,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(184,240,60,.08) 1px,transparent 1px);
  background-size:24px 24px;
}
@media (min-width:768px){ .site-body .cta-band{padding:46px 46px;} }
.site-body .cta-inner{position:relative;display:grid;gap:26px;}
@media (min-width:900px){ .site-body .cta-inner{grid-template-columns:1fr auto;align-items:center;gap:40px;} }
.site-body .cta-band h2{
  font-size:clamp(22px,3vw,30px);font-weight:800;
  line-height:1.35;color:#fff;margin-bottom:12px;
}
.site-body .cta-band p{font-size:15px;line-height:1.85;color:#C9D6CE;max-width:620px;}
.site-body .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-body .site-footer{position:relative;background:var(--ink);color:var(--muted-d);}
.site-body .site-footer::before{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,rgba(184,240,60,.7),transparent);
}
.site-body .site-footer .container{padding-top:54px;padding-bottom:22px;}
.site-body .footer-grid{display:grid;gap:32px;}
@media (min-width:768px){ .site-body .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (min-width:1024px){ .site-body .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;} }
.site-body .footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#F5F7F2;font-size:17px;font-weight:700;margin-bottom:14px;
}
.site-body .footer-brand .brand-mark{width:14px;height:14px;border-radius:4px;}
.site-body .footer-intro{font-size:13.5px;line-height:1.9;max-width:310px;}
.site-body .footer-title{font-size:14px;font-weight:700;color:#F5F7F2;letter-spacing:.02em;margin-bottom:14px;}
.site-body .footer-links{display:grid;gap:10px;}
.site-body .footer-links a{font-size:13.5px;line-height:1.6;color:var(--muted-d);transition:color .2s ease;}
.site-body .footer-links a:hover{color:var(--lime);}
.site-body .footer-bottom{
  margin-top:42px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7E8F86;line-height:1.8;
}

@media (prefers-reduced-motion:reduce){
  .site-body *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --lime:#B8F03C;
  --lime-deep:#7FD12E;
  --ink:#0A1412;
  --ink-2:#12211D;
  --paper:#F5F7F2;
  --card:#FFFFFF;
  --line:#E2E7DC;
  --text:#16201C;
  --muted:#6B7A72;
  --muted-dark:#9FB0A8;
  --flame:#FF6A3D;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --shadow-card:0 12px 32px -12px rgba(10,20,18,.28);
  --shadow-hover:0 18px 40px -22px rgba(10,20,18,.42);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html,body{overflow-x:hidden}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,button,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  color:#F5F7F2;
  border-bottom:1px solid transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease,color .3s ease;
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 20px;
  height:var(--nav-h);
  display:flex;align-items:center;gap:20px;
}
@media (min-width:768px){ .nav-inner{padding:0 32px} }
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:14px;height:14px;border-radius:4px;background:var(--lime);flex:none;
  box-shadow:0 0 0 4px rgba(184,240,60,.18);
}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.01em;line-height:1}
.brand-sub{
  font-size:12px;font-weight:400;color:var(--muted-dark);
  padding-left:10px;border-left:1px solid rgba(159,176,168,.35);line-height:1;
}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:12px}
.nav-link{
  position:relative;font-size:14.5px;font-weight:500;padding:6px 0;
  color:rgba(245,247,242,.76);transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:#fff}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:236px;height:40px;padding:0 14px;
  border:1px solid rgba(245,247,242,.24);border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);
  transition:border-color .2s ease,background .2s ease;
}
.nav-search svg{width:16px;height:16px;color:var(--muted-dark);flex:none}
.nav-search input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:13.5px;color:#F5F7F2;
}
.nav-search input::placeholder{color:rgba(159,176,168,.85)}
.nav-search:focus-within{border-color:var(--lime);background:rgba(255,255,255,.1)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;
  border:1px solid rgba(245,247,242,.24);
}
.nav-toggle span{display:block;width:16px;height:1.6px;background:currentColor;border-radius:2px}

/* 滚动后的导航态 */
.site-header.is-scrolled{
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -18px rgba(10,20,18,.45);
  color:var(--text);
}
.site-header.is-scrolled .brand-sub{color:var(--muted);border-left-color:var(--line)}
.site-header.is-scrolled .nav-link{color:#46564e}
.site-header.is-scrolled .nav-link:hover,
.site-header.is-scrolled .nav-link.is-active{color:var(--text)}
.site-header.is-scrolled .nav-search{border-color:var(--line);background:#fff}
.site-header.is-scrolled .nav-search input{color:var(--text)}
.site-header.is-scrolled .nav-search svg{color:var(--muted)}
.site-header.is-scrolled .nav-search:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(184,240,60,.28)}
.site-header.is-scrolled .nav-toggle{border-color:var(--line);color:var(--text)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#c8f760;transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(184,240,60,.7)}
.btn-lime:active{transform:translateY(0);box-shadow:none}
.btn-ghost{border-color:rgba(22,32,28,.28);color:var(--text)}
.btn-ghost:hover{background:rgba(22,32,28,.06)}
.btn-outline-light{border-color:rgba(184,240,60,.5);color:#F5F7F2}
.btn-outline-light:hover{background:rgba(184,240,60,.12);border-color:var(--lime)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-lg{height:50px;padding:0 32px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 移动端抽屉 ---------- */
.drawer-backdrop{
  position:fixed;inset:0;z-index:80;background:rgba(10,20,18,.55);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-backdrop.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;z-index:90;height:100%;width:84vw;max-width:360px;
  background:var(--ink);color:#F5F7F2;
  padding:24px 24px 32px;display:flex;flex-direction:column;gap:28px;
  transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:36px;height:36px;border-radius:10px;font-size:22px;line-height:1;
  border:1px solid rgba(245,247,242,.2);color:#F5F7F2;
  display:grid;place-items:center;transition:border-color .2s ease,color .2s ease;
}
.drawer-close:hover{border-color:var(--lime);color:var(--lime)}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-link{
  padding:14px 4px;font-size:16px;font-weight:500;color:var(--muted-dark);
  border-bottom:1px solid rgba(159,176,168,.16);transition:color .2s ease;
}
.drawer-link:hover{color:#fff}
.drawer-link.is-active{color:var(--lime)}
.drawer-cta{display:flex;flex-direction:column;gap:12px;margin-top:auto}

/* ---------- 页面头图 ---------- */
.page-hero{
  position:relative;padding-top:var(--nav-h);min-height:300px;
  display:flex;align-items:flex-end;background:var(--ink);overflow:hidden;
}
.page-hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,20,18,.86) 0%,rgba(10,20,18,.6) 42%,rgba(10,20,18,.93) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding-top:48px;padding-bottom:44px;color:#F5F7F2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted-dark);margin-bottom:16px}
.breadcrumb a{color:var(--muted-dark);transition:color .2s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .current{color:rgba(245,247,242,.95)}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.chip-onDark{background:rgba(184,240,60,.16);color:#D8FF8F;border:1px solid rgba(184,240,60,.35)}
.chip-lime{background:rgba(184,240,60,.16);color:#16321F}
.chip-flame{background:rgba(255,106,61,.14);color:#B33A17}
.chip-grey{background:rgba(22,32,28,.07);color:#4A5A53}
.page-hero h1{
  margin:16px 0 0;font-size:clamp(27px,4vw,40px);line-height:1.2;
  font-weight:800;letter-spacing:-.01em;max-width:900px;
}
.page-hero-lead{
  margin:14px 0 0;font-size:16px;line-height:1.7;
  color:rgba(245,247,242,.72);max-width:660px;
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-dark{background:var(--ink);color:#F5F7F2}
@media (max-width:1023px){ .section{padding:64px 0} .section-tight{padding:48px 0} }
@media (max-width:639px){ .section{padding:48px 0} }
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.sec-title{
  position:relative;margin:0;padding-left:16px;
  font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;letter-spacing:-.01em;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--lime);
}
.sec-lead{margin:12px 0 0;font-size:15.5px;color:var(--muted);max-width:640px}
.sec-more{font-size:14px;font-weight:600;color:#16321F;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease}
.sec-more:hover{gap:10px}

/* ---------- 概览分栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
@media (max-width:1023px){ .split{grid-template-columns:1fr;gap:36px} }
.split-body p{margin:0 0 18px;font-size:16px;line-height:1.9;color:#33413B}
.split-body p:last-of-type{margin-bottom:0}
.media-frame{
  position:relative;margin:0;border-radius:var(--r-xl);overflow:hidden;
  background:var(--ink-2);box-shadow:var(--shadow-card);
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s ease}
.media-frame:hover img{transform:scale(1.03)}
.media-frame figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:rgba(245,247,242,.82);
  background:linear-gradient(180deg,transparent,rgba(10,20,18,.78));
}
.check-list{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:14px}
.check-list li{position:relative;padding-left:24px;font-size:15px;line-height:1.75;color:#3A4A43}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:9px;height:9px;border-radius:50%;
  background:var(--lime-deep);box-shadow:0 0 0 4px rgba(184,240,60,.18);
}

/* ---------- 数据条 ---------- */
.trust-bar{
  margin-top:34px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  padding:26px 28px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
}
@media (max-width:767px){ .trust-bar{grid-template-columns:1fr;gap:20px;padding:22px} }
.trust-item{display:flex;flex-direction:column;gap:4px}
.trust-num{font-size:24px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2}
.trust-label{font-size:13px;color:var(--muted)}

/* ---------- 条目卡片网格 ---------- */
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:1023px){ .grid-cards{grid-template-columns:repeat(2,1fr)} }
@media (max-width:639px){ .grid-cards{grid-template-columns:1fr} }
.entry-card{
  display:flex;flex-direction:column;gap:14px;
  padding:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.entry-card:hover{transform:translateY(-4px);border-color:rgba(184,240,60,.55);box-shadow:var(--shadow-hover)}
.entry-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(184,240,60,.18);color:#1C3A22;flex:none;
}
.entry-card h3{margin:0;font-size:18px;font-weight:600;line-height:1.45}
.entry-card p{margin:0;font-size:14.5px;line-height:1.8;color:var(--muted)}
.entry-link{
  margin-top:auto;padding-top:6px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:#16321F;transition:gap .2s ease,color .2s ease;
}
.entry-link:hover{gap:10px;color:var(--ink)}
.entry-link svg{width:15px;height:15px}

/* ---------- 流程步骤 ---------- */
.steps-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 40px;
}
@media (max-width:767px){ .steps-panel{padding:28px 22px} }
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
@media (max-width:1023px){ .steps{grid-template-columns:repeat(2,1fr);gap:28px} }
@media (max-width:639px){ .steps{grid-template-columns:1fr} }
.step{position:relative;display:flex;flex-direction:column;gap:10px;padding-top:4px}
.step-top{display:flex;align-items:center;gap:12px}
.step-dot{
  width:28px;height:28px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:var(--lime);color:var(--ink);font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.step-line{
  flex:1;height:6px;border-radius:999px;background:var(--line);overflow:hidden;
}
.step-line span{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--lime),var(--lime-deep))}
@media (max-width:639px){ .step-line{display:none} }
.step h3{margin:0;font-size:16px;font-weight:600}
.step p{margin:0;font-size:13.5px;line-height:1.75;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(184,240,60,.55)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  font-size:16px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:none;width:22px;height:22px;margin-top:2px;position:relative;
  color:var(--lime-deep);transition:transform .2s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-icon::before{left:50%;top:3px;bottom:3px;width:2px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:3px;right:3px;height:2px;transform:translateY(-50%)}
.faq-item[open] .faq-icon::before{opacity:0}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-body{padding:0 22px 20px}
.faq-body p{
  margin:0;padding:16px 18px;border-radius:var(--r-sm);
  background:var(--paper);font-size:15px;line-height:1.85;color:#3A4A43;
}

/* ---------- CTA 通栏 ---------- */
.cta-band{position:relative;background:var(--ink);color:#F5F7F2;overflow:hidden}
.cta-grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(184,240,60,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(184,240,60,.08) 1px,transparent 1px);
  background-size:24px 24px;
}
.cta-inner{
  position:relative;z-index:2;padding-top:64px;padding-bottom:64px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-title{margin:0;font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35}
.cta-sub{margin:12px 0 0;font-size:15px;color:var(--muted-dark);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink);color:var(--muted-dark);padding:72px 0 0;margin-top:0}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--lime),transparent);opacity:.7;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
@media (max-width:900px){ .footer-grid{grid-template-columns:1fr 1fr;gap:32px} }
@media (max-width:560px){ .footer-grid{grid-template-columns:1fr} }
.footer-brand{display:flex;align-items:center;gap:10px;color:#F5F7F2;font-size:17px;font-weight:800;margin-bottom:16px}
.footer-intro{margin:0;font-size:14px;line-height:1.9;color:var(--muted-dark);max-width:340px}
.footer-title{margin:0 0 16px;font-size:14px;font-weight:600;color:#F5F7F2;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;line-height:1.9;color:var(--muted-dark);transition:color .2s ease}
.footer-links a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:22px 0 28px;border-top:1px solid rgba(159,176,168,.16);
  font-size:13px;color:rgba(159,176,168,.85);
}

/* ---------- 响应式导航 ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:767px){
  :root{--nav-h:56px}
  .brand-name{font-size:17px}
  .brand-sub{display:none}
  .page-hero{min-height:220px}
  .page-hero-inner{padding-top:36px;padding-bottom:32px}
}
@media (min-width:1024px){
  .nav-drawer,.drawer-backdrop{display:none}
}

/* roulang page: category3 */
:root{
    --lime:#B8F03C;
    --lime-deep:#7FD12E;
    --lime-soft:rgba(184,240,60,.16);
    --dark:#0A1412;
    --dark-2:#12211D;
    --bg:#F5F7F2;
    --card:#FFFFFF;
    --line:#E2E7DC;
    --text:#16201C;
    --muted:#6B7A72;
    --muted-dark:#9FB0A8;
    --orange:#FF6A3D;
    --r-s:12px;
    --r-m:16px;
    --r-l:20px;
    --r-xl:24px;
    --shadow-1:0 2px 10px -6px rgba(10,20,18,.18);
    --shadow-2:0 12px 32px -12px rgba(10,20,18,.28);
    --shadow-lime:0 10px 24px -10px rgba(184,240,60,.7);
    --ease:cubic-bezier(.4,0,.2,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  input{font:inherit}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
  body.is-locked{overflow:hidden}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

  /* ============ header / nav ============ */
  .site-header{
    --nav-fg:#F2F6EF;
    --nav-dim:#9FB0A8;
    --nav-surface:rgba(255,255,255,.07);
    --nav-border:rgba(255,255,255,.15);
    --nav-btn-border:rgba(255,255,255,.2);
    position:sticky;
    top:0;
    z-index:60;
    background:rgba(10,20,18,.94);
    border-bottom:1px solid rgba(255,255,255,.06);
    transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  }
  .site-header.is-scrolled{
    --nav-fg:#16201C;
    --nav-dim:#54645C;
    --nav-surface:#F5F7F2;
    --nav-border:#E2E7DC;
    --nav-btn-border:rgba(22,32,28,.18);
    background:rgba(255,255,255,.95);
    backdrop-filter:blur(6px);
    -webkit-backdrop-filter:blur(6px);
    border-bottom-color:var(--line);
    box-shadow:0 10px 30px -24px rgba(10,20,18,.6);
  }
  .nav-inner{
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
    height:64px;
    display:flex;
    align-items:center;
    gap:28px;
  }
  .brand{display:flex;align-items:center;gap:10px;flex:none}
  .brand-mark{
    width:12px;height:12px;border-radius:3px;background:var(--lime);flex:none;
    box-shadow:0 0 0 4px rgba(184,240,60,.16);
  }
  .brand-name{
    font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--nav-fg);
    transition:color .25s var(--ease);
    white-space:nowrap;
  }
  .brand-sub{
    font-size:12px;color:var(--nav-dim);padding-left:10px;margin-left:2px;
    border-left:1px solid var(--nav-border);letter-spacing:.02em;
    transition:color .25s var(--ease),border-color .25s var(--ease);
    white-space:nowrap;
  }
  .nav-links{display:flex;align-items:center;gap:28px;margin-left:8px}
  .nav-link{
    position:relative;
    font-size:15px;
    font-weight:500;
    color:var(--nav-dim);
    padding:6px 0;
    transition:color .2s var(--ease);
    white-space:nowrap;
  }
  .nav-link::after{
    content:"";
    position:absolute;left:0;right:0;bottom:-2px;height:2px;
    background:var(--lime);border-radius:2px;
    transform:scaleX(0);transform-origin:left;
    transition:transform .22s var(--ease);
  }
  .nav-link:hover{color:var(--nav-fg)}
  .nav-link:hover::after{transform:scaleX(.6)}
  .nav-link.is-active{color:var(--nav-fg);font-weight:600}
  .nav-link.is-active::after{transform:scaleX(1)}
  .nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
  .nav-search{
    display:flex;align-items:center;gap:8px;
    width:240px;height:40px;padding:0 14px;
    background:var(--nav-surface);
    border:1px solid var(--nav-border);
    border-radius:12px;
    transition:border-color .2s var(--ease),background .25s var(--ease);
  }
  .nav-search svg{width:16px;height:16px;flex:none;color:var(--nav-dim)}
  .nav-search input{
    width:100%;border:0;background:transparent;outline:none;
    font-size:14px;color:var(--nav-fg);
  }
  .nav-search input::placeholder{color:var(--nav-dim)}
  .nav-search:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(184,240,60,.28)}
  .nav-toggle{
    display:none;
    width:40px;height:40px;border-radius:10px;
    border:1px solid var(--nav-btn-border);
    align-items:center;justify-content:center;flex-direction:column;gap:4px;
    transition:border-color .25s var(--ease);
  }
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--nav-fg);transition:background .25s var(--ease)}

  /* drawer */
  .nav-drawer{
    position:fixed;top:0;right:0;height:100%;width:84vw;max-width:340px;
    background:var(--dark);
    transform:translateX(102%);
    transition:transform .3s var(--ease);
    z-index:80;padding:22px;display:flex;flex-direction:column;gap:22px;
    overflow-y:auto;
  }
  .nav-drawer.is-open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .drawer-head .brand-name{color:#F2F6EF}
  .drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.18);color:#F2F6EF;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center}
  .drawer-links{display:flex;flex-direction:column;gap:4px}
  .drawer-links a{
    padding:13px 12px;border-radius:10px;color:#C8D6CF;font-size:15px;font-weight:500;
    border-left:2px solid transparent;transition:.2s var(--ease);
  }
  .drawer-links a:hover{background:rgba(184,240,60,.08);color:#F2F6EF}
  .drawer-links a.is-active{background:rgba(184,240,60,.12);color:#F2F6EF;border-left-color:var(--lime)}
  .drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}
  .nav-scrim{
    position:fixed;inset:0;background:rgba(10,20,18,.55);
    opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
    z-index:70;
  }
  .nav-scrim.is-open{opacity:1;visibility:visible}

  /* ============ buttons ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:46px;padding:0 22px;border-radius:999px;
    font-size:15px;font-weight:600;letter-spacing:.01em;
    transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
    white-space:nowrap;
  }
  .btn-sm{height:40px;padding:0 18px;font-size:14px}
  .btn-lime{background:var(--lime);color:var(--dark)}
  .btn-lime:hover{background:#C6F75A;transform:translateY(-1px);box-shadow:var(--shadow-lime)}
  .btn-lime:active{transform:translateY(0);box-shadow:none}
  .btn-ghost{border:1px solid rgba(22,32,28,.22);color:var(--text)}
  .btn-ghost:hover{background:rgba(22,32,28,.06);transform:translateY(-1px)}
  .btn-ghost-dark{border:1px solid rgba(184,240,60,.5);color:var(--lime)}
  .btn-ghost-dark:hover{background:rgba(184,240,60,.1);transform:translateY(-1px)}
  .btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

  /* ============ hero ============ */
  .page-hero{
    position:relative;
    min-height:280px;
    display:flex;
    align-items:flex-end;
    overflow:hidden;
    background:var(--dark);
  }
  .page-hero-bg{
    position:absolute;inset:0;
    background-size:cover;
    background-position:center;
    transform:scale(1.02);
  }
  .page-hero-mask{
    position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(10,20,18,.94) 0%,rgba(10,20,18,.82) 46%,rgba(10,20,18,.55) 100%);
  }
  .page-hero-inner{position:relative;z-index:2;padding-top:56px;padding-bottom:48px;width:100%}
  .breadcrumb{
    display:flex;align-items:center;gap:8px;
    font-size:13px;color:var(--muted-dark);margin-bottom:18px;flex-wrap:wrap;
  }
  .breadcrumb a{transition:color .2s var(--ease)}
  .breadcrumb a:hover{color:var(--lime)}
  .breadcrumb .sep{opacity:.5}
  .breadcrumb .current{color:#C8D6CF}
  .chip{
    display:inline-flex;align-items:center;gap:6px;
    font-size:12px;letter-spacing:.02em;font-weight:600;
    padding:5px 12px;border-radius:999px;line-height:1.6;
  }
  .chip-lime{background:var(--lime-soft);color:#16321F}
  .chip-dark{background:rgba(184,240,60,.14);color:var(--lime)}
  .chip-ember{background:rgba(255,106,61,.14);color:#B43A16}
  .page-hero h1{
    margin:16px 0 14px;
    font-size:clamp(26px,3.6vw,38px);
    font-weight:800;
    line-height:1.22;
    letter-spacing:-.01em;
    color:#FFFFFF;
    max-width:840px;
  }
  .page-hero-sub{
    font-size:16px;line-height:1.8;color:#C3D1C9;max-width:660px;
  }

  /* ============ sections ============ */
  .sec{padding:72px 0}
  .sec-tight{padding:60px 0}
  .sec-white{background:#FFFFFF}
  .sec-head{max-width:720px;margin-bottom:36px}
  .sec-head-center{margin-left:auto;margin-right:auto;text-align:center}
  .sec-title{
    display:flex;align-items:center;gap:12px;
    font-size:clamp(23px,2.6vw,32px);
    font-weight:700;letter-spacing:-.01em;line-height:1.3;
    color:var(--text);
  }
  .sec-head-center .sec-title{justify-content:center}
  .sec-title::before{
    content:"";width:4px;height:20px;border-radius:2px;background:var(--lime);flex:none;
  }
  .sec-lead{margin-top:12px;font-size:16px;line-height:1.85;color:var(--muted)}
  .sec-head-center .sec-lead{margin-left:auto;margin-right:auto}

  /* ============ timeline ============ */
  .timeline{position:relative;max-width:820px;margin:0 auto;padding:4px 0}
  .timeline::before{
    content:"";position:absolute;left:13px;top:10px;bottom:22px;width:2px;border-radius:2px;
    background:linear-gradient(180deg,rgba(184,240,60,.95) 0%,rgba(127,209,46,.55) 42%,rgba(226,231,220,.95) 100%);
  }
  .tl-item{position:relative;padding:0 0 34px 56px}
  .tl-item:last-child{padding-bottom:0}
  .tl-node{
    position:absolute;left:0;top:0;
    width:28px;height:28px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;
    background:#FFFFFF;border:2px solid rgba(184,240,60,.75);color:#2C4A16;
    box-shadow:0 6px 16px -12px rgba(10,20,18,.55);
  }
  .tl-item.is-done .tl-node{background:var(--lime);border-color:var(--lime);color:var(--dark)}
  .tl-body{
    background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-m);
    padding:20px 22px;box-shadow:var(--shadow-1);
    transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
  }
  .tl-body:hover{transform:translateY(-3px);border-color:rgba(184,240,60,.55);box-shadow:var(--shadow-2)}
  .tl-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:8px}
  .tl-body p{font-size:15px;line-height:1.85;color:var(--muted)}
  .tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
  .tl-tag{
    font-size:11.5px;letter-spacing:.02em;font-weight:600;
    padding:3px 10px;border-radius:999px;
    background:var(--bg);color:var(--muted);border:1px solid var(--line);
  }
  .tl-tag.is-lime{background:var(--lime-soft);color:#16321F;border-color:transparent}

  /* ============ metrics ============ */
  .metrics{
    position:relative;
    background:var(--dark);
    border-radius:var(--r-xl);
    padding:34px 28px;
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:22px;
    overflow:hidden;
  }
  .metrics::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      linear-gradient(rgba(184,240,60,.08) 1px,transparent 1px),
      linear-gradient(90deg,rgba(184,240,60,.08) 1px,transparent 1px);
    background-size:24px 24px;
  }
  .metric{position:relative;z-index:2;padding-left:20px;border-left:1px solid rgba(184,240,60,.28)}
  .metric-num{
    display:block;
    font-size:clamp(26px,3.2vw,38px);
    font-weight:800;line-height:1.15;color:var(--lime);
    font-variant-numeric:tabular-nums;
    letter-spacing:-.02em;
  }
  .metric-label{display:block;margin-top:8px;font-size:14px;font-weight:600;color:#F2F6EF}
  .metric-desc{display:block;margin-top:4px;font-size:13px;line-height:1.75;color:var(--muted-dark)}

  /* ============ split block ============ */
  .split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
  .split-media{
    position:relative;border-radius:var(--r-l);overflow:hidden;
    aspect-ratio:4/3;background:var(--dark-2);border:1px solid var(--line);
  }
  .split-media img{width:100%;height:100%;object-fit:cover}
  .split-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(10,20,18,0) 45%,rgba(10,20,18,.45) 100%);
  }
  .split-body h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;letter-spacing:-.01em}
  .split-body p.lead{margin-top:12px;font-size:16px;line-height:1.85;color:var(--muted)}
  .check-list{margin-top:24px;display:flex;flex-direction:column;gap:16px}
  .check-list li{display:flex;gap:14px;align-items:flex-start}
  .check-mark{
    flex:none;width:26px;height:26px;border-radius:9px;
    background:var(--lime-soft);color:#2C4A16;
    display:flex;align-items:center;justify-content:center;margin-top:2px;
  }
  .check-mark svg{width:14px;height:14px}
  .check-list strong{display:block;font-size:15.5px;font-weight:700;margin-bottom:3px}
  .check-list span{display:block;font-size:14.5px;line-height:1.8;color:var(--muted)}

  /* ============ task cards ============ */
  .task-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  .task-card{
    position:relative;
    background:#FFFFFF;border:1px solid var(--line);
    border-radius:var(--r-l);
    padding:26px 22px 24px 26px;
    overflow:hidden;
    transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
  }
  .task-card::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--lime);
  }
  .task-card:hover{transform:translateY(-4px);border-color:rgba(184,240,60,.55);box-shadow:var(--shadow-2)}
  .task-icon{
    width:42px;height:42px;border-radius:12px;
    background:var(--bg);border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;
    color:#2C4A16;margin-bottom:16px;
  }
  .task-icon svg{width:20px;height:20px}
  .task-card h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
  .task-card p{font-size:14.5px;line-height:1.85;color:var(--muted)}
  .task-foot{
    margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
    font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:8px;
    font-variant-numeric:tabular-nums;
  }
  .dot-lime{width:6px;height:6px;border-radius:50%;background:var(--lime);flex:none}

  /* ============ faq ============ */
  .faq-list{max-width:880px;margin:0 auto}
  .faq-item{
    background:#FFFFFF;border:1px solid var(--line);border-radius:14px;
    margin-bottom:12px;overflow:hidden;
    transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  }
  .faq-item:hover{border-color:rgba(184,240,60,.55)}
  .faq-item[open]{box-shadow:var(--shadow-1)}
  .faq-item summary{
    list-style:none;cursor:pointer;
    padding:18px 22px;
    font-size:16px;font-weight:600;line-height:1.6;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    color:var(--text);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-icon{
    flex:none;width:24px;height:24px;border-radius:50%;
    background:var(--lime-soft);color:#2C4A16;font-size:16px;font-weight:700;line-height:1;
    display:flex;align-items:center;justify-content:center;
    transition:transform .2s var(--ease);
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg)}
  .faq-body{
    padding:16px 22px 20px;
    background:var(--bg);
    font-size:15px;line-height:1.85;color:var(--muted);
    border-top:1px solid var(--line);
  }

  /* ============ cta band ============ */
  .cta-band{
    position:relative;
    background:var(--dark);
    border-radius:var(--r-xl);
    padding:44px 40px;
    display:flex;align-items:center;justify-content:space-between;gap:36px;
    overflow:hidden;
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      linear-gradient(rgba(184,240,60,.08) 1px,transparent 1px),
      linear-gradient(90deg,rgba(184,240,60,.08) 1px,transparent 1px);
    background-size:24px 24px;
  }
  .cta-copy{position:relative;z-index:2;max-width:620px}
  .cta-copy h2{
    font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;color:#FFFFFF;letter-spacing:-.01em;
  }
  .cta-copy p{margin-top:12px;font-size:15.5px;line-height:1.85;color:var(--muted-dark)}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
  .cta-side{position:relative;z-index:2;display:flex;align-items:center;gap:18px;flex:none}
  .qr{
    width:120px;height:120px;flex:none;
    background:#FFFFFF;border-radius:var(--r-s);
    padding:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  }
  .qr svg{width:78px;height:78px;display:block}
  .qr span{font-size:10.5px;line-height:1.4;color:var(--text);text-align:center;letter-spacing:.02em}
  .qr-note{font-size:13px;line-height:1.75;color:var(--muted-dark);max-width:160px}

  /* ============ footer ============ */
  .site-footer{
    position:relative;
    background:var(--dark);
    color:var(--muted-dark);
    margin-top:96px;
    padding-top:64px;
  }
  .site-footer::before{
    content:"";position:absolute;top:0;left:0;right:0;height:1px;
    background:linear-gradient(90deg,rgba(184,240,60,0) 0%,rgba(184,240,60,.85) 50%,rgba(184,240,60,0) 100%);
  }
  .footer-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
    padding-bottom:44px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .footer-brand strong{font-size:17px;font-weight:800;color:#FFFFFF;letter-spacing:-.01em}
  .footer-intro{font-size:14px;line-height:1.9;max-width:330px}
  .footer-title{font-size:14px;font-weight:600;color:#FFFFFF;margin-bottom:16px;letter-spacing:.02em}
  .footer-links{display:flex;flex-direction:column;gap:11px}
  .footer-links a{font-size:14px;color:var(--muted-dark);transition:color .2s var(--ease),transform .2s var(--ease)}
  .footer-links a:hover{color:var(--lime);transform:translateX(2px)}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding:22px 0 26px;
    display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
    font-size:13px;line-height:1.9;
  }

  /* ============ responsive ============ */
  @media (max-width:1180px){
    .nav-search{width:200px}
  }
  @media (max-width:1023px){
    .nav-links{display:none}
    .nav-search{display:none}
    .nav-toggle{display:flex}
    .brand-sub{display:none}
    .sec{padding:56px 0}
    .sec-tight{padding:48px 0}
    .metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
    .task-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .split{grid-template-columns:1fr;gap:28px}
    .split-media{aspect-ratio:16/9}
    .cta-band{flex-direction:column;align-items:flex-start;gap:28px;padding:36px 28px}
    .cta-side{width:100%;justify-content:flex-start}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
    .site-footer{margin-top:64px;padding-top:52px}
  }
  @media (max-width:767px){
    .page-hero{min-height:200px}
    .page-hero-inner{padding-top:36px;padding-bottom:34px}
    .page-hero-sub{font-size:15px}
    .timeline::before{left:11px;bottom:18px}
    .tl-item{padding-left:48px;padding-bottom:26px}
    .tl-node{width:24px;height:24px;font-size:11px}
    .tl-body{padding:18px 18px}
    .container{padding:0 18px}
  }
  @media (max-width:639px){
    .metrics{grid-template-columns:1fr;gap:20px}
    .metric{border-left:0;border-top:1px solid rgba(184,240,60,.28);padding-left:0;padding-top:16px}
    .metric:first-child{border-top:0;padding-top:0}
    .task-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:26px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .cta-band{padding:30px 22px}
    .cta-side{flex-direction:column;align-items:flex-start}
    .qr{width:104px;height:104px}
    .qr svg{width:66px;height:66px}
    .qr-note{max-width:none}
    .cta-actions{gap:10px}
    .cta-actions .btn{width:100%}
  }