/* roulang page: index */
:root{
  --ink:#0F1115;
  --ink-2:#171A20;
  --lime:#C6F24E;
  --mint:#3FD9A4;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --muted:#6B6F76;
  --dim:#A9ACB2;
  --line:#E4E2DA;
  --fill:#F0EEE8;
  --err:#E05252;
  --ok:#2FA97C;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,17,21,.06);
  --sh-2:0 12px 32px -12px rgba(15,17,21,.10);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --side-w:236px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);font-size:16px;line-height:1.85;font-weight:400;
  color:var(--ink);background:var(--bg);overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ---------- 侧栏 App Shell ---------- */
.side{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:var(--ink);color:#9AA0A6;z-index:60;
  display:flex;flex-direction:column;overflow-y:auto;
  padding:28px 0 22px;scrollbar-width:thin;
}
.side__brand{padding:0 24px 22px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand{display:block;font-size:16px;font-weight:800;line-height:1.4;letter-spacing:-.02em;color:#fff;transition:color .2s ease}
.brand:hover{color:var(--lime)}
.brand__sub{display:block;margin-top:10px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:#63686F}
.side__close{display:none}
.side__nav{padding:16px 0 8px}
.nav-item{
  position:relative;display:flex;align-items:center;height:44px;padding:0 22px 0 20px;
  font-size:14px;color:#9AA0A6;transition:color .2s ease,background .2s ease;
}
.nav-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:transparent;transition:background .2s ease}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.045)}
.nav-item:hover::before{background:var(--lime)}
.nav-item.is-active{color:#fff;font-weight:600}
.nav-item.is-active::before{background:var(--lime)}
.nav-item.is-active::after{content:"";position:absolute;right:22px;width:5px;height:5px;border-radius:50%;background:var(--lime)}
.side__label{padding:16px 24px 6px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:#5C6169}
.side__anchors{padding-bottom:16px;border-top:1px solid rgba(255,255,255,.08);margin-top:6px}
.anchor{display:block;height:36px;line-height:36px;padding:0 24px;font-size:13px;color:#797E85;transition:color .2s ease,padding-left .2s ease}
.anchor:hover{color:var(--lime);padding-left:28px}
.side__foot{margin-top:auto;padding:20px 24px 0;border-top:1px solid rgba(255,255,255,.08);font-size:12px;line-height:1.75;color:#656A71}
.side__foot p+p{margin-top:6px}
.side__foot .dom{font-family:var(--mono);letter-spacing:.04em;color:#7C8188}

/* ---------- 主区 ---------- */
.main-wrap{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 40px}
.mobile-bar{display:none}
.overlay{position:fixed;inset:0;background:rgba(15,17,21,.55);opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:55}
.overlay.is-open{opacity:1;visibility:visible}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;overflow:hidden;isolation:isolate;white-space:nowrap;
  transition:color .24s ease,border-color .24s ease,background .24s ease;
}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;transform:translateX(-101%);transition:transform .24s var(--ease)}
.btn--primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn--primary::before{background:var(--ink)}
.btn--primary:hover{color:var(--lime)}
.btn--primary:hover::before{transform:translateX(0)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost::before{background:var(--ink)}
.btn--ghost:hover{color:#fff;border-color:var(--ink)}
.btn--ghost:hover::before{transform:translateX(0)}
.btn--light{background:#fff;color:var(--ink);border-color:#fff}
.btn--light::before{background:var(--lime)}
.btn--light:hover{color:var(--ink);border-color:var(--lime)}
.btn--light:hover::before{transform:translateX(0)}
.btn:active{transform:translateY(1px)}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}

.chip{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:var(--fill);color:var(--muted);font-size:12px;white-space:nowrap}
.chip--lime{background:rgba(198,242,78,.18);color:#4C5A18}

.link-more{position:relative;display:inline-block;font-size:14px;font-weight:600;color:var(--ink);padding-bottom:3px;white-space:nowrap}
.link-more::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--lime);transition:width .24s var(--ease)}
.link-more:hover::after{width:100%}

/* ---------- 板块通用 ---------- */
.sec{padding:96px 0}
.sec--tight{padding-top:0}
.sec--dark{background:var(--ink);color:#fff}
.sec__head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:46px}
.sec__head h2{font-size:clamp(24px,3vw,36px);line-height:1.2;font-weight:800;letter-spacing:-.02em;max-width:22em}
.sec__head p{margin-top:14px;color:var(--muted);font-size:15px;max-width:56ch}
.sec--dark .sec__head h2{color:#fff}
.sec--dark .sec__head p{color:#9AA0A6}

/* ---------- Hero ---------- */
.hero{padding-top:76px;padding-bottom:72px}
.hero__grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;min-height:78vh}
.eyebrow{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--muted);margin-bottom:22px}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--lime)}
h1{font-size:clamp(34px,5vw,64px);line-height:1.08;font-weight:900;letter-spacing:-.02em}
.hero__lead{margin-top:26px;font-size:17px;line-height:1.9;color:var(--muted);max-width:34em}
.mock{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.08);box-shadow:var(--sh-2);
  background:linear-gradient(rgba(15,17,21,.64),rgba(15,17,21,.64)),url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  padding-bottom:34px;
}
.mock::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:28px 28px;
}
.mock__bar{position:relative;z-index:1;display:flex;gap:7px;padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.mock__bar span{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.22)}
.mock__bar span:first-child{background:var(--lime)}
.mock__line{position:relative;z-index:1;display:flex;align-items:center;gap:14px;height:52px;margin:20px 24px 0;padding:0 16px;border-radius:var(--r-btn);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1)}
.mock__label{font-family:var(--mono);font-size:12px;color:#9AA0A6;flex:none}
.mock__line i{flex:1;height:8px;border-radius:4px;background:linear-gradient(90deg,rgba(255,255,255,.24),rgba(255,255,255,.05))}
.mock__focus{position:relative;z-index:1;height:52px;margin:18px 24px 0;border-radius:var(--r-btn);border:1px solid rgba(198,242,78,.7);background:rgba(198,242,78,.08);box-shadow:0 0 0 3px rgba(198,242,78,.14)}
.mock__btn{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;height:48px;margin:26px 24px 0;border-radius:var(--r-btn);background:var(--lime);color:var(--ink);font-size:15px;font-weight:700}
.hero__stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:64px;padding-top:32px;border-top:1px solid var(--line)}
.hero__stats>div{padding-right:24px}
.hero__stats strong{display:block;font-family:var(--mono);font-size:clamp(28px,3.4vw,40px);font-weight:700;line-height:1;letter-spacing:-.03em}
.hero__stats span{display:block;margin-top:12px;font-size:13px;color:var(--muted)}

/* ---------- 卖点（不对称） ---------- */
.hl-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.hl-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.hl-card{
  display:flex;flex-direction:column;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:28px;transition:transform .3s var(--ease),border-color .3s ease,box-shadow .3s ease;
}
.hl-card:hover{transform:translateY(-3px);border-color:rgba(198,242,78,.55);box-shadow:var(--sh-2)}
.hl-card .num{font-family:var(--mono);font-size:40px;font-weight:700;line-height:1;color:rgba(15,17,21,.4)}
.hl-card h3{font-size:20px;font-weight:700;letter-spacing:-.01em;line-height:1.4}
.hl-card p{font-size:15px;color:var(--muted);line-height:1.85}
.hl-card--main img{width:100%;border-radius:10px;aspect-ratio:16/9;object-fit:cover;margin-top:auto}
.hl-card--main .hl-card__foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}

/* ---------- 演示（深色） ---------- */
.demo-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.demo-list{margin-top:30px;display:grid;gap:16px}
.demo-list li{display:flex;gap:14px;font-size:15px;line-height:1.75;color:#C6CAD0}
.demo-list li::before{content:"";flex:none;width:8px;height:8px;margin-top:.68em;background:var(--lime)}
.demo-shot{border-radius:var(--r-card);overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.demo-shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.steps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:64px;padding-top:32px;border-top:1px solid rgba(255,255,255,.1)}
.step{padding-right:24px}
.step span{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--lime)}
.step strong{display:block;margin-top:10px;font-size:15px;font-weight:600;color:#fff}
.step p{margin-top:6px;font-size:13px;color:#8B9096;line-height:1.7}

/* ---------- 证据 ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.proof-card{display:flex;flex-direction:column;min-height:206px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;transition:transform .3s var(--ease),border-color .3s ease}
.proof-card:hover{transform:translateY(-3px);border-color:rgba(198,242,78,.55)}
.proof-card strong{font-family:var(--mono);font-size:clamp(28px,3vw,38px);font-weight:700;line-height:1;letter-spacing:-.03em}
.proof-card strong em{font-style:normal;font-size:14px;font-weight:500;color:var(--muted);margin-left:6px}
.proof-card p{margin-top:16px;font-size:14px;color:var(--muted);line-height:1.8}
.proof-card span{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-family:var(--mono);font-size:12px;color:var(--dim)}
.partners{display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.partners span{font-size:13px;letter-spacing:.06em;color:var(--dim);transition:color .2s ease}
.partners span:hover{color:var(--ink)}

/* ---------- 使用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{display:flex;flex-direction:column;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;transition:transform .3s var(--ease),border-color .3s ease,box-shadow .3s ease}
.scene-card:hover{transform:translateY(-3px);border-color:rgba(198,242,78,.55);box-shadow:var(--sh-1)}
.scene-card .ico{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;background:var(--fill);color:var(--ink);font-size:17px}
.scene-card h3{font-size:18px;font-weight:700;letter-spacing:-.01em}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.85}
.scene-card ul{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:grid;gap:10px}
.scene-card li{position:relative;padding-left:18px;font-size:13px;color:var(--muted);line-height:1.7}
.scene-card li::before{content:"";position:absolute;left:0;top:.75em;width:8px;height:1px;background:var(--ink)}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px}
.news-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .3s var(--ease),border-color .3s ease,box-shadow .3s ease}
.news-card:hover{transform:translateY(-3px);border-color:rgba(198,242,78,.55);box-shadow:var(--sh-2)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-card__body{display:flex;flex-direction:column;flex:1;padding:24px}
.news-card__body h3{font-size:20px;font-weight:700;line-height:1.5;letter-spacing:-.01em}
.news-card__body h3 a{transition:color .2s ease}
.news-card__body h3 a:hover{color:#5A6B12}
.news-card__body p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:auto;padding-top:20px}
.meta .time{font-family:var(--mono);font-size:12px;color:var(--dim);letter-spacing:.03em}
.meta .go{margin-left:auto;font-size:13px;font-weight:600;border-bottom:1px solid transparent;transition:border-color .2s ease}
.meta .go:hover{border-color:var(--lime)}
.news-list{display:grid;gap:16px}
.news-item{display:grid;grid-template-columns:140px 1fr;gap:18px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:14px;transition:transform .3s var(--ease),border-color .3s ease}
.news-item:hover{transform:translateY(-3px);border-color:rgba(198,242,78,.55)}
.news-item img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px}
.news-item h3{font-size:15px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item h3 a:hover{color:#5A6B12}
.news-item .sub{margin-top:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.empty-card{border:1px dashed var(--line);border-radius:var(--r-card);background:rgba(255,255,255,.55);padding:64px 24px;text-align:center}
.empty-card i{display:block;font-size:26px;color:var(--dim);margin-bottom:16px}
.empty-card p{font-size:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex;align-items:center;gap:20px;width:100%;min-height:64px;padding:14px 0;text-align:left;font-size:16px;font-weight:600;line-height:1.55;transition:color .2s ease}
.faq-q:hover{color:#4E5C15}
.faq-q .idx{flex:none;width:40px;font-family:var(--mono);font-size:13px;color:var(--dim)}
.faq-q .txt{flex:1}
.faq-q .sign{position:relative;flex:none;width:18px;height:18px;transition:transform .2s ease}
.faq-q .sign::before,.faq-q .sign::after{content:"";position:absolute;background:var(--ink)}
.faq-q .sign::before{left:0;top:8px;width:18px;height:2px}
.faq-q .sign::after{left:8px;top:0;width:2px;height:18px;transition:opacity .2s ease}
.faq-item.is-open .sign{transform:rotate(180deg)}
.faq-item.is-open .sign::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a__inner{padding:0 0 28px 60px;max-width:68ch;font-size:15px;color:var(--muted);line-height:1.9}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--ink);color:#fff;padding:64px 0}
.cta-band .inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-band p{font-size:clamp(20px,2.4vw,28px);font-weight:800;letter-spacing:-.02em;line-height:1.35;max-width:26em}

/* ---------- 页脚 ---------- */
.foot{background:var(--ink);color:#8B9096;padding-top:72px;margin-top:auto}
.foot__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:56px}
.foot h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:18px;letter-spacing:.01em}
.foot p{font-size:14px;line-height:1.9;color:#8B9096}
.foot .f-brand{font-size:16px;font-weight:800;color:#fff;letter-spacing:-.01em;display:block;margin-bottom:14px}
.foot .f-brand:hover{color:var(--lime)}
.foot a{display:block;font-size:14px;color:#8B9096;padding:5px 0;border-left:2px solid transparent;transition:color .2s ease,padding-left .2s ease,border-color .2s ease}
.foot a:hover{color:var(--lime);padding-left:8px;border-left-color:var(--lime)}
.foot__note{font-size:13px;color:#6B7078;line-height:1.9}
.foot__bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:24px 0 32px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#6B7078}
.foot__bottom .dom{font-family:var(--mono);letter-spacing:.04em}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:32px;bottom:32px;z-index:80;display:flex;flex-direction:column;align-items:flex-end;gap:12px;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .3s ease,transform .3s ease,visibility .3s ease}
.float-cta.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.fab-pill{display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 22px;border-radius:var(--r-pill);background:var(--lime);color:var(--ink);font-size:14px;font-weight:700;box-shadow:var(--sh-2);transition:transform .2s var(--ease)}
.fab-pill:hover{transform:scale(1.03)}
.fab-round{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--ink);box-shadow:var(--sh-1);transition:border-color .2s ease,transform .2s var(--ease)}
.fab-round:hover{border-color:var(--lime);transform:scale(1.05)}

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

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 36px}
}
@media (max-width:1023px){
  .side{width:280px;transform:translateX(-100%);transition:transform .22s var(--ease);box-shadow:0 0 60px rgba(0,0,0,.4)}
  .side.is-open{transform:translateX(0)}
  .side__close{display:flex;align-items:center;justify-content:center;position:absolute;top:22px;right:18px;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.08);color:#fff;font-size:14px}
  .main-wrap{margin-left:0}
  body{padding-top:56px}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;top:0;left:0;right:0;height:56px;padding:0 18px;z-index:70;
    background:rgba(15,17,21,.97);color:#fff;
  }
  .mobile-bar .m-logo{font-size:14px;font-weight:800;color:#fff;letter-spacing:-.01em;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .mobile-bar .m-actions{display:flex;align-items:center;gap:10px;flex:none}
  .mobile-bar .burger{display:flex;align-items:center;justify-content:center;width:34px;height:34px;color:#fff;font-size:16px}
  .mobile-bar .m-cta{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-pill);background:var(--lime);color:var(--ink);font-size:13px;font-weight:700}
  .container{padding:0 28px}
  .sec{padding:72px 0}
  .hero{padding-top:48px;padding-bottom:56px}
  .hero__grid{grid-template-columns:1fr;gap:44px;min-height:0}
  .hero__visual{order:2}
  .hl-grid{grid-template-columns:1fr}
  .demo-grid{grid-template-columns:1fr;gap:40px}
  .proof-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .foot__grid{grid-template-columns:1fr 1fr;gap:36px}
  .sec__head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:36px}
  .faq-a__inner{padding-left:60px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .sec{padding:56px 0}
  .hero{padding-top:36px;padding-bottom:44px}
  h1{font-size:clamp(30px,8vw,40px)}
  .hero__lead{font-size:16px;margin-top:20px}
  .btn{height:44px;padding:0 20px;font-size:14px;width:100%}
  .btn-row{flex-direction:column;gap:12px}
  .hero__stats{grid-template-columns:1fr;gap:24px;margin-top:44px}
  .hero__stats>div{padding-right:0;padding-bottom:20px;border-bottom:1px solid var(--line)}
  .hero__stats>div:last-child{border-bottom:0;padding-bottom:0}
  .proof-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:24px}
  .step{padding-right:0;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.08)}
  .step:last-child{border-bottom:0;padding-bottom:0}
  .news-item{grid-template-columns:104px 1fr;gap:14px;padding:12px}
  .faq-q{font-size:15px;gap:14px;min-height:58px}
  .faq-q .idx{width:30px}
  .faq-a__inner{padding:0 0 24px 44px;font-size:14px}
  .foot__grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .cta-band{padding:48px 0}
  .cta-band .inner{flex-direction:column;align-items:flex-start}
  .float-cta{right:16px;bottom:16px;left:16px;align-items:stretch;flex-direction:row-reverse;justify-content:space-between}
  .fab-pill{flex:1;justify-content:center}
  .foot__bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:479px){
  .mock__line,.mock__focus,.mock__btn{margin-left:16px;margin-right:16px}
  .hl-card,.scene-card,.proof-card{padding:22px}
  .news-card__body{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .js .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --ink:#0F1115;
  --ink-2:#171A20;
  --lime:#C6F24E;
  --mint:#3FD9A4;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --muted:#6B6F76;
  --faint:#A9ACB2;
  --line:#E4E2DA;
  --fill:#F0EEE8;
  --err:#E05252;
  --ok:#2FA97C;
  --r-card:12px;
  --r-img:12px;
  --r-btn:8px;
  --sh-1:0 1px 2px rgba(15,17,21,.06);
  --sh-2:0 12px 32px -12px rgba(15,17,21,.10);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --side:236px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:0;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;font-weight:800;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;}
a:focus-visible,button:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 40px;}
@media(max-width:1023px){.container{padding:0 28px;}}
@media(max-width:767px){.container{padding:0 20px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .24s,color .24s,border-color .24s,transform .12s;
}
.btn:active{transform:translateY(1px);}
.btn--lime{background:var(--lime);color:var(--ink);}
.btn--lime:hover{background:#B7E63C;}
.btn--ghost{border:1px solid var(--line);color:var(--ink);background:transparent;}
.btn--ghost:hover{border-color:var(--ink);background:#fff;}
.btn--sm{height:40px;padding:0 16px;font-size:14px;}
@media(max-width:767px){.btn{height:44px;}}

/* ============ 左侧 App Shell ============ */
.side{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);
  background:var(--ink);display:flex;flex-direction:column;
  overflow-y:auto;z-index:60;
}
.side__brand{padding:26px 20px 22px;border-bottom:1px solid rgba(255,255,255,.08);}
.side__brand a{display:block;color:#fff;font-size:16px;font-weight:800;line-height:1.4;letter-spacing:-.01em;}
.side__brand span{display:block;margin-top:8px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:#7A8089;}

.side__nav{display:flex;flex-direction:column;padding:14px 0;}
.side__nav--sub{padding-top:6px;border-top:1px solid rgba(255,255,255,.06);}
.side__nav--sub::before{
  content:"页面分区";display:block;padding:12px 20px 6px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:#5C6169;
}
.nav-item{
  position:relative;display:flex;align-items:center;height:44px;padding-left:20px;
  font-size:14.5px;color:#9AA0A6;border-left:2px solid transparent;
  transition:color .2s,background .2s,border-color .2s;
}
.nav-item:hover{color:#fff;border-left-color:var(--lime);background:rgba(255,255,255,.035);}
.nav-item.is-active{color:#fff;border-left-color:var(--lime);}
.nav-item.is-active::after{
  content:"";margin-left:auto;margin-right:18px;width:6px;height:6px;border-radius:50%;background:var(--lime);
}
.nav-item.is-disabled{color:#565B62;pointer-events:none;}

.side__foot{
  margin-top:auto;padding:20px;border-top:1px solid rgba(255,255,255,.08);
  font-size:11.5px;line-height:1.9;color:#6B7078;
}
.side__foot .dom{font-family:var(--mono);color:#8B9096;letter-spacing:.06em;}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  background:var(--ink);align-items:center;gap:12px;padding:0 14px;
}
.burger{
  width:40px;height:40px;border-radius:8px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;flex:0 0 auto;
}
.burger i{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .22s,opacity .22s;}
.topbar__logo{
  flex:1 1 auto;min-width:0;color:#fff;font-size:14.5px;font-weight:800;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.scrim{
  position:fixed;inset:0;background:rgba(15,17,21,.55);z-index:55;
  opacity:0;visibility:hidden;transition:opacity .22s,visibility .22s;
}
.scrim.is-on{opacity:1;visibility:visible;}

@media(max-width:1023px){
  .side{width:280px;transform:translateX(-100%);transition:transform .22s cubic-bezier(.2,.7,.2,1);}
  .side.is-open{transform:translateX(0);}
  .topbar{display:flex;}
  .main{margin-left:0;padding-top:56px;}
}

/* ============ 主内容 ============ */
.main{margin-left:var(--side);}

/* ============ 文章头 ============ */
.art-hero{
  position:relative;overflow:hidden;color:#fff;
  background:#0F1115 url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  padding:58px 0 54px;
}
.art-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,17,21,.86),rgba(15,17,21,.95));
}
.art-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:48px 48px;
}
.art-hero>.container{position:relative;z-index:2;}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.55);}
.crumbs a{color:rgba(255,255,255,.72);}
.crumbs a:hover{color:var(--lime);}
.crumbs .sep{opacity:.4;}
.crumbs .cur{color:#fff;font-weight:600;}

.art-hero h1{
  margin-top:22px;max-width:24ch;
  font-size:clamp(28px,3.6vw,40px);line-height:1.22;letter-spacing:-.02em;color:#fff;
}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:13px;color:rgba(255,255,255,.6);}
.art-meta .dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,.35);}
.art-meta .mono{font-family:var(--mono);letter-spacing:.04em;}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(198,242,78,.14);border:1px solid rgba(198,242,78,.3);
  color:#DDF98F;font-size:12.5px;line-height:1;
}

/* ============ 文章主体 ============ */
.art-body{padding:60px 0 88px;}
.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:56px;align-items:start;}
@media(max-width:1199px){
  .art-grid{grid-template-columns:minmax(0,1fr);gap:0;}
  .art-side{display:none;}
}
.art-main{max-width:760px;min-width:0;}

.art-lead{
  padding:20px 24px;border-left:3px solid var(--lime);background:#fff;
  border-radius:0 var(--r-card) var(--r-card) 0;box-shadow:var(--sh-1);
  font-size:15px;color:var(--muted);line-height:1.9;margin-bottom:34px;
}

.prose{font-size:17px;line-height:1.9;color:var(--ink);max-width:760px;}
.prose>*:first-child{margin-top:0;}
.prose p{margin:0 0 1.2em;}
.prose h2{
  position:relative;font-size:24px;line-height:1.35;font-weight:800;
  margin:2.4em 0 .9em;padding-left:14px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:3px;
  background:var(--lime);border-radius:2px;
}
.prose h3{font-size:19px;font-weight:700;margin:1.8em 0 .7em;line-height:1.45;}
.prose blockquote{
  margin:1.6em 0;padding:18px 22px;background:#F2F1EC;
  border-left:3px solid var(--lime);border-radius:0 8px 8px 0;color:#3A3E45;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose ul{list-style:none;padding-left:0;margin:0 0 1.2em;}
.prose ul li{position:relative;padding-left:22px;margin-bottom:.6em;}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;
  background:var(--lime);border-radius:2px;
}
.prose ol{padding-left:1.5em;margin:0 0 1.2em;}
.prose ol li{margin-bottom:.6em;}
.prose img{max-width:100%;height:auto;border-radius:var(--r-img);margin:1.8em auto;}
.prose figure{margin:1.8em 0;}
.prose figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;}
.prose th,.prose td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;}
.prose th{background:var(--fill);font-weight:700;}
.prose a{color:var(--ink);border-bottom:1px solid var(--lime);}
.prose a:hover{background:rgba(198,242,78,.2);}
.prose code{font-family:var(--mono);background:var(--fill);padding:2px 6px;border-radius:4px;font-size:.88em;}
.prose pre{background:var(--ink-2);color:#E6E8EB;padding:18px 20px;border-radius:var(--r-card);overflow-x:auto;font-size:14px;line-height:1.7;}
.prose pre code{background:none;padding:0;color:inherit;}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

.art-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;
}
.art-empty p{font-size:17px;color:var(--muted);margin-bottom:20px;}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:var(--fill);color:var(--muted);font-size:13px;line-height:1;
}
.tag--lime{background:rgba(198,242,78,.22);color:#3C4A12;}

/* 相关推荐 */
.rel{margin-top:52px;padding-top:44px;border-top:1px solid var(--line);}
.rel__head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px;}
.rel__head h2{font-size:clamp(20px,2.2vw,24px);}
.rel__head a{font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:2px;}
.rel__head a:hover{color:var(--ink);border-color:var(--lime);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media(max-width:900px){.rel-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:600px){.rel-grid{grid-template-columns:1fr;}}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s cubic-bezier(.2,.7,.2,1),border-color .25s,box-shadow .25s;
}
.rel-card:hover{transform:translateY(-3px);border-color:rgba(198,242,78,.55);box-shadow:var(--sh-2);}
.rel-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.rel-card__b{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.rel-card__b h3{
  font-size:15.5px;font-weight:700;line-height:1.5;letter-spacing:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card__b p{
  margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card__meta{
  margin-top:auto;padding-top:14px;display:flex;align-items:center;gap:10px;
  font-size:12px;color:var(--faint);
}
.rel-card__meta .mono{font-family:var(--mono);}

.back-row{margin-top:44px;}

/* ============ 侧栏 ============ */
.art-side{position:sticky;top:96px;display:grid;gap:16px;min-width:0;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1);}
.side-card h4{
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.12em;
  color:var(--faint);margin-bottom:14px;
}
.side-card a{
  display:block;padding:9px 0;font-size:14px;color:var(--muted);
  border-bottom:1px solid var(--fill);transition:color .2s,padding-left .2s;
}
.side-card a:last-child{border-bottom:0;padding-bottom:0;}
.side-card a:hover{color:var(--ink);padding-left:6px;}
.side-card .val{font-size:15px;font-weight:700;color:var(--ink);}
.side-card .note{font-size:13px;color:var(--muted);line-height:1.85;}

/* ============ 浮动 CTA ============ */
.fab{
  position:fixed;right:32px;bottom:32px;z-index:50;display:flex;flex-direction:column;
  align-items:flex-end;gap:12px;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s,visibility .3s,transform .3s;
}
.fab.is-on{opacity:1;visibility:visible;transform:none;}
.fab__main{
  display:inline-flex;align-items:center;height:48px;padding:0 24px;border-radius:999px;
  background:var(--lime);color:var(--ink);font-size:14.5px;font-weight:700;
  box-shadow:var(--sh-2);
}
.fab__main:hover{background:#B7E63C;}
.fab__top{
  width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--ink);
  box-shadow:var(--sh-1);transition:border-color .2s,transform .2s;
}
.fab__top:hover{border-color:var(--ink);transform:translateY(-2px);}
@media(max-width:767px){
  .fab{
    left:16px;right:16px;bottom:max(16px,env(safe-area-inset-bottom));
    flex-direction:row;align-items:center;justify-content:space-between;
  }
  .fab__main{flex:1 1 auto;justify-content:center;}
}

/* ============ 页脚 ============ */
.foot{background:var(--ink);color:#8B9096;padding:72px 0 0;margin-top:0;}
.foot__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
@media(max-width:1023px){.foot__grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media(max-width:600px){.foot__grid{grid-template-columns:1fr;}}
.foot h4{font-size:13px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:0;}
.foot a{display:block;font-size:14px;color:#8B9096;padding:5px 0;position:relative;transition:color .2s;}
.foot a:hover{color:var(--lime);}
.foot a:hover::before{content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);width:2px;height:12px;background:var(--lime);border-radius:2px;}
.foot .f-brand{font-size:17px;font-weight:800;color:#fff;display:inline-block;padding:0;margin-bottom:14px;letter-spacing:-.01em;}
.foot .f-brand:hover::before{display:none;}
.foot p{font-size:13.5px;line-height:1.95;color:#8B9096;}
.foot__note{font-size:13px;line-height:1.95;color:#7C8188;}
.foot__bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:#6B7078;
}
.foot__bottom .dom{font-family:var(--mono);letter-spacing:.06em;color:#8B9096;}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink:#0F1115;
  --lime:#C6F24E;
  --mint:#3FD9A4;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --panel:#171A20;
  --muted:#6B6F76;
  --faint:#A9ACB2;
  --line:#E4E2DA;
  --fill:#F0EEE8;
  --err:#E05252;
  --ok:#2FA97C;
  --r-card:12px;
  --r-btn:8px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,17,21,.06);
  --sh-2:0 12px 32px -12px rgba(15,17,21,.10);
  --side:236px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body.is-lock{overflow:hidden;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.02em;line-height:1.2;font-weight:800;color:var(--ink);}
p{margin:0 0 1.2em;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;}
a:focus-visible,button:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.skip{position:absolute;left:-9999px;top:0;background:var(--lime);color:var(--ink);padding:10px 16px;border-radius:0 0 8px 0;z-index:200;}
.skip:focus{left:0;}
.container{max-width:1280px;margin:0 auto;padding:0 40px;}

/* ---------- 顶部移动栏 ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  background:var(--ink);align-items:center;gap:12px;padding:0 14px;
}
.burger{width:40px;height:40px;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 9px;border-radius:8px;border:1px solid rgba(255,255,255,.14);}
.burger span{display:block;height:2px;background:#E9EAE6;border-radius:2px;}
.topbar__logo{color:#fff;font-weight:800;font-size:15px;letter-spacing:-0.02em;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar .btn{flex:0 0 auto;}

/* ---------- 左侧导航 ---------- */
.side{
  position:fixed;top:0;left:0;bottom:0;width:var(--side);z-index:60;
  background:var(--ink);display:flex;flex-direction:column;
  padding:26px 0 20px;color:#9AA0A6;
}
.side__brand{padding:0 20px 22px;border-bottom:1px solid rgba(255,255,255,.08);}
.side__brand a{display:block;color:#fff;font-size:15px;font-weight:800;letter-spacing:-0.02em;line-height:1.35;}
.side__brand a:hover{color:var(--lime);}
.side__tag{display:block;margin-top:6px;font-size:12px;color:#6B7076;line-height:1.5;}
.side__nav{margin-top:14px;}
.side__label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#5C6167;padding:0 20px;margin:18px 0 8px;}
.nav-item{
  display:flex;align-items:center;height:44px;padding:0 20px;
  border-left:2px solid transparent;font-size:15px;color:#9AA0A6;
  transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease);
  white-space:nowrap;
}
.nav-item:hover{color:#fff;border-left-color:var(--lime);background:rgba(255,255,255,.03);}
.nav-item.is-active{color:#fff;font-weight:600;border-left-color:var(--lime);}
.nav-item.is-active::after{content:"";margin-left:auto;width:6px;height:6px;border-radius:50%;background:var(--lime);}
.nav-item.is-disabled{color:#5C6167;cursor:not-allowed;font-size:14px;height:38px;}
.nav-item.is-disabled:hover{border-left-color:transparent;background:none;color:#5C6167;}
.side__foot{margin-top:auto;padding:18px 20px 0;border-top:1px solid rgba(255,255,255,.08);font-size:12px;line-height:1.7;color:#6B7076;}
.side__foot p{margin:0 0 6px;}
.side__foot .dom{font-family:var(--mono);color:#4C5157;}
.scrim{position:fixed;inset:0;background:rgba(15,17,21,.55);opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s;z-index:55;}
.scrim.is-on{opacity:1;visibility:visible;}

/* ---------- 主区 ---------- */
.main{margin-left:var(--side);}
.sec{padding:96px 0;}
.sec--tight{padding:64px 0;}
.sec--dark{background:var(--ink);color:#E9EAE6;}
.sec--dark h2,.sec--dark h3{color:#fff;}
.sec--alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:36px;}
.sec-head h2{font-size:clamp(24px,3vw,36px);max-width:22em;}
.sec-head .sec-sub{font-size:15px;color:var(--muted);margin:10px 0 0;max-width:40em;}
.sec-head__link{font-size:14px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:2px;white-space:nowrap;transition:color .2s,border-color .2s;}
.sec-head__link:hover{color:var(--ink);border-color:var(--lime);}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:var(--muted);text-transform:uppercase;margin:0 0 16px;}
.sec--dark .kicker{color:#8C9299;}

/* ---------- 面包屑 + 分类 Hero ---------- */
.crumb{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;margin-bottom:22px;}
.crumb a{color:var(--muted);transition:color .2s;}
.crumb a:hover{color:var(--ink);}
.crumb span{color:var(--faint);}
.crumb__now{color:var(--ink);font-weight:600;}
.hero-cat{
  min-height:280px;padding:52px 0 56px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(rgba(246,245,241,.94),rgba(246,245,241,.97)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-cat h1{font-size:clamp(32px,4.2vw,52px);font-weight:900;line-height:1.08;max-width:18em;}
.hero-cat__lead{margin:18px 0 0;max-width:34em;color:var(--muted);font-size:17px;}
.hero-cat__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-cat__meta span{
  font-family:var(--mono);font-size:12px;color:var(--muted);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 14px;
}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:start;}
.split--rev{grid-template-columns:5fr 7fr;}
.prose p{color:#33383E;max-width:68ch;}
.prose h3{font-size:20px;margin:32px 0 12px;}
.ticks{margin-top:26px;border-top:1px solid var(--line);}
.ticks li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:#33383E;
}
.ticks li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:10px;background:var(--lime);border:1px solid rgba(15,17,21,.35);}
.sec--dark .ticks{border-top-color:rgba(255,255,255,.10);}
.sec--dark .ticks li{border-bottom-color:rgba(255,255,255,.08);color:#C9CCCF;}
.shot{margin:0;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--fill);}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.shot figcaption{font-size:13px;color:var(--muted);padding:10px 14px;background:var(--card);border-top:1px solid var(--line);}
.sec--dark .shot{border-color:rgba(255,255,255,.08);background:#101318;}
.sec--dark .shot figcaption{background:transparent;border-top-color:rgba(255,255,255,.08);color:#8C9299;}
.note-card{
  margin-top:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);
}
.note-card b{display:block;font-size:13px;letter-spacing:.06em;color:var(--muted);margin-bottom:6px;}
.note-card p{margin:0;font-size:14px;color:#33383E;}

/* ---------- 深色功能区面板 ---------- */
.panel-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.08);}
.panel-list li:first-child{border-top:1px solid rgba(255,255,255,.08);}
.panel-list li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:11px;background:var(--lime);}
.panel-list strong{display:block;color:#fff;font-size:16px;font-weight:700;}
.panel-list span{display:block;font-size:14px;color:#9AA0A6;line-height:1.75;}
.pulse-num{font-family:var(--mono);font-size:12px;color:var(--mint);letter-spacing:.08em;}

/* ---------- 时间线 ---------- */
.timeline{margin-top:36px;border-left:2px solid var(--line);padding-left:0;}
.tl-item{position:relative;padding:0 0 30px 30px;}
.tl-item::before{
  content:"";position:absolute;left:-7px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--lime);border:2px solid var(--bg);
}
.tl-item:last-child{padding-bottom:0;}
.tl-item h3{font-size:17px;margin-bottom:6px;}
.tl-item p{font-size:14px;color:var(--muted);margin:0 0 6px;max-width:62ch;}
.tl-time{font-family:var(--mono);font-size:12px;color:var(--faint);}

/* ---------- 卡片网格 ---------- */
.grid-x{margin-left:0;margin-right:0;}
.grid-x>.cell{width:auto;min-height:0;}
.grid-cards{display:flex;flex-wrap:wrap;gap:24px;}
.grid-cards>.cell{flex:1 1 100%;}
.grid-cards .card{height:100%;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-3px);border-color:rgba(198,242,78,.55);}
.card__no{font-family:var(--mono);font-size:26px;color:rgba(15,17,21,.16);line-height:1;display:block;margin-bottom:14px;}
.card h3{font-size:18px;margin-bottom:8px;}
.card p{margin:0;font-size:14px;color:var(--muted);max-width:42ch;}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--card);}
.stat{padding:28px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat b{display:block;font-family:var(--mono);font-size:clamp(28px,3.4vw,40px);font-weight:700;line-height:1;letter-spacing:-0.02em;}
.stat b em{font-style:normal;font-size:14px;color:var(--muted);margin-left:6px;}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--muted);}
.stat small{display:block;margin-top:12px;font-size:12px;color:var(--faint);}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq__item{border-bottom:1px solid var(--line);}
.faq__q{
  width:100%;display:flex;align-items:center;gap:16px;min-height:64px;padding:14px 4px;text-align:left;
  transition:background-color .2s var(--ease);
}
.faq__q:hover{background:rgba(240,238,232,.55);}
.faq__no{font-family:var(--mono);font-size:13px;color:var(--faint);flex:0 0 28px;}
.faq__text{flex:1;font-size:16px;font-weight:600;color:var(--ink);}
.faq__ico{position:relative;flex:0 0 16px;height:16px;}
.faq__ico::before,.faq__ico::after{content:"";position:absolute;background:var(--ink);transition:transform .2s var(--ease),background-color .2s;}
.faq__ico::before{left:0;top:7px;width:16px;height:2px;}
.faq__ico::after{left:7px;top:0;width:2px;height:16px;}
.faq__item.is-open .faq__ico::after{transform:rotate(90deg);}
.faq__item.is-open .faq__ico::before,.faq__item.is-open .faq__ico::after{background:var(--ok);}
.faq__a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq__a p{padding:0 44px 22px 44px;margin:0;font-size:15px;color:#3C4147;line-height:1.9;max-width:68ch;}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--panel);color:#E9EAE6;padding:64px 0 72px;}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band p{margin:0;font-size:clamp(18px,2vw,24px);font-weight:700;color:#fff;max-width:26em;letter-spacing:-0.02em;}
.cta-band small{display:block;margin-top:8px;font-size:13px;font-weight:400;color:#8C9299;}

/* ---------- 按钮 ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;overflow:hidden;
  transition:transform .16s var(--ease),border-color .2s var(--ease),color .24s var(--ease);
}
.btn::before{
  content:"";position:absolute;inset:0;width:0;background:var(--ink);z-index:0;
  transition:width .24s var(--ease);
}
.btn>span{position:relative;z-index:1;}
.btn:hover::before{width:100%;}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn--primary:hover{color:var(--lime);}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn--ghost:hover{color:#fff;border-color:var(--ink);}
.sec--dark .btn--ghost,.cta-band .btn--ghost{color:#E9EAE6;border-color:rgba(255,255,255,.22);}
.sec--dark .btn--ghost:hover,.cta-band .btn--ghost:hover{color:var(--ink);border-color:var(--lime);}
.sec--dark .btn--ghost::before,.cta-band .btn--ghost::before{background:var(--lime);}
.btn--sm{height:38px;padding:0 16px;font-size:13px;border-radius:7px;}
.btn--pill{border-radius:var(--r-pill);}
.btn--round{width:48px;padding:0;border-radius:50%;}

/* ---------- 浮动 CTA ---------- */
.floatbar{
  position:fixed;right:32px;bottom:32px;display:flex;flex-direction:column;gap:12px;z-index:80;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.floatbar.is-on{opacity:1;visibility:visible;transform:none;}
.floatbar .btn{box-shadow:var(--sh-2);}
.floatbar .btn--round{background:var(--card);border-color:var(--line);color:var(--ink);}
@keyframes pulseOnce{0%{transform:scale(1)}50%{transform:scale(1.035)}100%{transform:scale(1)}}
.pulse{animation:pulseOnce .2s var(--ease) 1;}

/* ---------- 页脚 ---------- */
.foot{background:var(--ink);color:#8B9096;padding:72px 0 28px;}
.foot__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.f-brand{display:block;color:#fff;font-size:17px;font-weight:800;letter-spacing:-0.02em;margin-bottom:14px;}
.f-brand:hover{color:var(--lime);}
.foot h4{color:#fff;font-size:14px;margin:0 0 16px;letter-spacing:0;}
.foot p{font-size:13px;line-height:1.8;margin:0 0 10px;max-width:32em;}
.foot__grid a{display:block;font-size:14px;color:#8B9096;padding:5px 0 5px 0;border-left:2px solid transparent;padding-left:0;transition:color .2s var(--ease),padding-left .2s var(--ease),border-color .2s var(--ease);}
.foot__grid a:hover{color:var(--lime);padding-left:8px;border-left-color:var(--lime);}
.foot__note{font-size:13px;color:#6B7076;}
.foot__bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#6B7076;
}
.foot__bottom .dom{font-family:var(--mono);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
.grid-cards>.cell:nth-child(2) .reveal,.grid-cards>.cell:nth-child(2).reveal{transition-delay:.06s;}
.grid-cards>.cell:nth-child(3) .reveal,.grid-cards>.cell:nth-child(3).reveal{transition-delay:.12s;}
.grid-cards>.cell:nth-child(4) .reveal,.grid-cards>.cell:nth-child(4).reveal{transition-delay:.18s;}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .grid-cards>.cell{flex:1 1 calc(50% - 12px);}
}
@media (min-width:1024px){
  .grid-cards>.cell{flex:1 1 calc(50% - 12px);}
}
@media (min-width:1200px){
  .grid-cards>.cell{flex:1 1 calc(25% - 18px);}
}
@media (max-width:1279px){
  .side{width:220px;}
  .main{margin-left:220px;}
}
@media (max-width:1023px){
  .topbar{display:flex;}
  .side{width:280px;transform:translateX(-100%);transition:transform .22s var(--ease);}
  .side.is-open{transform:none;}
  .main{margin-left:0;padding-top:56px;}
  .container{padding:0 28px;}
  .sec{padding:72px 0;}
  .split,.split--rev{grid-template-columns:1fr;gap:36px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat{border-bottom:1px solid var(--line);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0;}
  .foot__grid{grid-template-columns:1fr 1fr;gap:32px;}
  .floatbar{right:20px;bottom:24px;}
  .floatbar .btn--round{display:none;}
}
@media (max-width:767px){
  .sec{padding:56px 0;}
  .container{padding:0 20px;}
  .hero-cat{padding:36px 0 40px;min-height:0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .card{padding:22px;}
  .faq__a p{padding:0 8px 20px 44px;}
  .foot__grid{grid-template-columns:1fr;gap:28px;}
  .stats{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:0;}
  .cta-band{padding:48px 0 56px;}
  .cta-band .btn{width:100%;}
  .floatbar{
    left:16px;right:16px;bottom:0;flex-direction:row;padding:12px 0 16px;
    background:linear-gradient(to top,rgba(246,245,241,.98),rgba(246,245,241,.82));
    gap:10px;
  }
  .floatbar .btn{flex:1;box-shadow:none;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --ink:#0F1115;
  --lime:#C6F24E;
  --mint:#3FD9A4;
  --bg:#F6F5F1;
  --card:#FFFFFF;
  --panel:#171A20;
  --muted:#6B6F76;
  --dim:#A9ACB2;
  --line:#E4E2DA;
  --fill:#F0EEE8;
  --err:#E05252;
  --ok:#2FA97C;
  --sh1:0 1px 2px rgba(15,17,21,.06);
  --sh2:0 12px 32px -12px rgba(15,17,21,.10);
  --r-card:12px;
  --r-btn:8px;
  --r-chip:999px;
  --sbw:236px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family: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:4px}
::selection{background:rgba(198,242,78,.45)}

.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:#fff;padding:12px 18px;border-radius:0 0 8px 0;
}
.skip:focus{left:0}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 40px}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.grid-margin-y{margin-top:-12px}
.grid-margin-y>.cell{margin-top:12px}

/* ---------- App Shell ---------- */
.shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--sbw);
  background:var(--ink);color:#9AA0A6;
  display:flex;flex-direction:column;
  padding:28px 0 18px;
  z-index:60;
  transform:translateX(-100%);
  transition:transform .22s cubic-bezier(.2,.7,.2,1);
  overflow-y:auto;
}
.shell.is-open{transform:translateX(0)}
.shell__brand{
  padding:0 20px 22px;
  border-bottom:1px solid rgba(255,255,255,.08);
  margin-bottom:18px;
}
.shell__brand a{
  display:block;color:#fff;font-size:16px;font-weight:800;letter-spacing:-.02em;line-height:1.4;
}
.shell__brand span{
  display:block;margin-top:6px;font-family:var(--mono);font-size:11px;color:#6B7078;letter-spacing:.08em;text-transform:uppercase;
}
.shell__label{
  padding:0 20px;margin:16px 0 8px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:#5C6169;
}
.side__nav{display:flex;flex-direction:column}
.nav-item{
  position:relative;display:flex;align-items:center;height:44px;padding-left:20px;
  font-size:14.5px;color:#9AA0A6;font-weight:500;
  transition:color .18s ease,background-color .18s ease;
}
.nav-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:transparent;
  transition:background-color .18s ease;
}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.03)}
.nav-item:hover::before{background:var(--lime)}
.nav-item.is-active{color:#fff;font-weight:700}
.nav-item.is-active::before{background:var(--lime)}
.nav-item.is-active::after{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--lime);
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
}
.shell__anchors{display:flex;flex-direction:column;margin-top:6px}
.anchor-item{
  display:flex;align-items:center;height:38px;padding-left:20px;font-size:13.5px;color:#6B7078;
}
.anchor-item.is-dim{pointer-events:none;color:#565B63}
.shell__foot{
  margin-top:auto;padding:22px 20px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:11.5px;line-height:1.8;color:#6B7078;
}
.shell__foot p{margin-bottom:4px}
.shell__foot .dom{font-family:var(--mono);letter-spacing:.06em}

.mask{
  position:fixed;inset:0;background:rgba(15,17,21,.55);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:55;
}
.mask.is-open{opacity:1;visibility:visible}

/* ---------- Mobile topbar ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  display:flex;align-items:center;gap:12px;padding:0 16px;
  background:var(--ink);color:#fff;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar__burger{
  width:38px;height:38px;border:1px solid rgba(255,255,255,.16);background:transparent;border-radius:8px;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;
}
.topbar__burger span{display:block;width:16px;height:2px;background:#fff;border-radius:2px}
.topbar__brand{font-size:15px;font-weight:800;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__cta{
  margin-left:auto;flex:0 0 auto;background:var(--lime);color:var(--ink);
  font-size:13px;font-weight:700;padding:8px 14px;border-radius:var(--r-btn);
}

/* ---------- Main ---------- */
.main{
  padding-top:56px;
  min-height:100vh;
}
.section{padding:56px 0}
.section--dark{background:var(--ink);color:#fff}
.section--dark .sec__sub,.section--dark .sec__desc{color:#9AA0A6}

.sec__head{margin-bottom:36px;max-width:760px}
.sec__kicker{
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--muted);
  text-transform:uppercase;display:block;margin-bottom:12px;
}
.sec__kicker--dark{color:#7C8188}
.sec__title{
  font-size:clamp(24px,3vw,36px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
}
.sec__sub{margin-top:14px;font-size:16px;color:var(--muted);max-width:60ch}
.sec__row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- Page hero ---------- */
.phero{
  position:relative;overflow:hidden;color:#fff;
  min-height:380px;display:flex;align-items:flex-end;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.phero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,17,21,.60) 0%,rgba(15,17,21,.82) 100%);
}
.phero::after{
  content:"";position:absolute;inset:0;opacity:.30;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:52px 52px;
}
.phero__inner{position:relative;z-index:2;width:100%;padding-top:72px;padding-bottom:48px}
.crumb{font-size:13px;color:#B9BEC4;display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:20px}
.crumb a{color:#B9BEC4}
.crumb a:hover{color:var(--lime)}
.crumb span.sep{color:#5C6169}
.crumb strong{color:#fff;font-weight:600}
.phero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.12;font-weight:900;letter-spacing:-.02em;max-width:20ch;
}
.phero p.lead{margin-top:18px;font-size:17px;line-height:1.8;color:#D5D9DE;max-width:46ch}
.phero__stats{
  display:flex;gap:44px;flex-wrap:wrap;margin-top:36px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.16);
}
.phero__stats div strong{
  display:block;font-family:var(--mono);font-size:26px;font-weight:700;color:var(--lime);line-height:1.2;
}
.phero__stats div span{font-size:12.5px;color:#A9AEB5}

/* ---------- Cards ---------- */
.grid-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 26px 24px;height:100%;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.grid-card:hover{transform:translateY(-3px);border-color:rgba(198,242,78,.55);box-shadow:var(--sh2)}
.grid-card__ic{
  width:42px;height:42px;border-radius:10px;background:var(--fill);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:18px;
}
.grid-card h3{font-size:18px;font-weight:800;letter-spacing:-.01em;margin-bottom:10px}
.grid-card p{font-size:15px;color:var(--muted);line-height:1.8}
.grid-card__no{
  font-family:var(--mono);font-size:12px;color:var(--dim);letter-spacing:.1em;display:block;margin-bottom:10px;
}

/* asymmetric highlight */
.hl-big{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px 32px;height:100%;display:flex;flex-direction:column;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.hl-big:hover{transform:translateY(-3px);border-color:rgba(198,242,78,.55);box-shadow:var(--sh2)}
.hl-big .no{
  font-family:var(--mono);font-size:52px;font-weight:700;color:rgba(15,17,21,.14);line-height:1;letter-spacing:-.04em;
}
.hl-big h3{font-size:22px;font-weight:800;letter-spacing:-.02em;margin:16px 0 12px}
.hl-big p{font-size:15.5px;color:var(--muted);line-height:1.85}
.hl-big .divider{height:1px;background:var(--line);margin:22px 0 16px}
.hl-big .mini{font-size:13.5px;color:var(--ink);font-weight:700;border-bottom:1px solid var(--lime);padding-bottom:2px;align-self:flex-start}
.hl-big__img{margin-top:24px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line)}
.hl-small{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.hl-small:hover{transform:translateY(-3px);border-color:rgba(198,242,78,.55);box-shadow:var(--sh2)}
.hl-small .no{font-family:var(--mono);font-size:30px;font-weight:700;color:rgba(15,17,21,.14);line-height:1}
.hl-small h3{font-size:17px;font-weight:800;margin:12px 0 8px}
.hl-small p{font-size:14.5px;color:var(--muted);line-height:1.78}

/* list bullets */
.dot-list{margin-top:8px}
.dot-list li{
  position:relative;padding-left:18px;margin-bottom:12px;font-size:15.5px;color:#2C3036;line-height:1.8;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;background:var(--lime);border-radius:1px;
}
.dot-list--dark li{color:#D5D9DE}

/* ---------- Flow ---------- */
.flow{
  display:flex;gap:0;margin-top:44px;border-top:1px solid rgba(255,255,255,.14);padding-top:26px;
}
.flow li{flex:1;position:relative;padding-right:24px}
.flow li::after{
  content:"";position:absolute;right:8px;top:11px;width:16px;height:1px;background:rgba(255,255,255,.22);
}
.flow li:last-child::after{display:none}
.flow .flow__no{
  font-family:var(--mono);font-size:12px;color:var(--lime);letter-spacing:.12em;display:block;margin-bottom:8px;
}
.flow .flow__t{font-size:15px;font-weight:700;color:#fff;display:block}
.flow .flow__d{font-size:13px;color:#9AA0A6;display:block;margin-top:6px;line-height:1.7}

/* ---------- Table ---------- */
.cmp-wrap{margin-top:28px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:#fff}
.cmp{width:100%;border-collapse:collapse}
.cmp th{
  background:var(--ink);color:#fff;text-align:left;font-size:14px;font-weight:700;
  padding:0 22px;height:52px;letter-spacing:.01em;
}
.cmp td{
  padding:16px 22px;border-top:1px solid var(--line);font-size:15px;color:#33373E;line-height:1.75;vertical-align:top;
}
.cmp tbody tr:nth-child(even){background:#FAF9F5}
.cmp td strong{font-weight:700;color:var(--ink)}

/* ---------- Scenes ---------- */
.scene{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  height:100%;display:flex;flex-direction:column;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.scene:hover{transform:translateY(-3px);border-color:rgba(198,242,78,.55);box-shadow:var(--sh2)}
.scene__img{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--fill)}
.scene__img img{width:100%;height:100%;object-fit:cover}
.scene__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.scene__body h3{font-size:17px;font-weight:800;margin-bottom:10px}
.scene__body p{font-size:14.5px;color:var(--muted);line-height:1.78;flex:1}
.scene__tags{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-chip);
  background:var(--fill);color:var(--muted);font-size:12.5px;white-space:nowrap;
}
.chip--accent{background:rgba(198,242,78,.20);color:#3F4A16;font-weight:600}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);margin-top:8px}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;gap:16px;min-height:64px;padding:14px 0;
  font-size:16.5px;font-weight:700;color:var(--ink);letter-spacing:-.01em;
  transition:color .18s ease;
}
.faq__q:hover{color:#3E4A12}
.faq__no{font-family:var(--mono);font-size:12.5px;color:var(--dim);flex:0 0 auto;letter-spacing:.06em}
.faq__txt{flex:1}
.faq__ic{position:relative;width:18px;height:18px;flex:0 0 auto;transition:transform .2s ease}
.faq__ic::before,.faq__ic::after{
  content:"";position:absolute;background:var(--ink);border-radius:1px;
}
.faq__ic::before{left:0;top:8px;width:18px;height:2px}
.faq__ic::after{left:8px;top:0;width:2px;height:18px;transition:opacity .2s ease}
.faq__item.is-open .faq__ic{transform:rotate(180deg)}
.faq__item.is-open .faq__ic::after{opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.2,.7,.2,1)}
.faq__item.is-open .faq__a{max-height:560px}
.faq__a p{
  max-width:68ch;font-size:15.5px;line-height:1.9;color:var(--muted);padding:0 34px 22px 46px;
}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:#fff}
.cta-band__in{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:64px 0 72px;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.02em;max-width:22ch;line-height:1.25}
.cta-band p{margin-top:10px;font-size:15px;color:#9AA0A6;max-width:52ch}

/* ---------- Buttons ---------- */
.btn{
  position:relative;z-index:0;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:color .24s ease,border-color .24s ease,transform .12s ease,background-color .24s ease;
}
.btn::before{
  content:"";position:absolute;inset:0;z-index:-1;transform:scaleX(0);transform-origin:left;
  transition:transform .24s cubic-bezier(.2,.7,.2,1);
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--lime);color:var(--ink)}
.btn--primary::before{background:var(--ink)}
.btn--primary:hover{color:var(--lime)}
.btn--primary:hover::before{transform:scaleX(1)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost::before{background:var(--ink)}
.btn--ghost:hover{color:#fff;border-color:var(--ink)}
.btn--ghost:hover::before{transform:scaleX(1)}
.btn--onDark{background:transparent;color:#fff;border-color:rgba(255,255,255,.22)}
.btn--onDark::before{background:var(--lime)}
.btn--onDark:hover{color:var(--ink);border-color:var(--lime)}
.btn--onDark:hover::before{transform:scaleX(1)}
.btn--sm{height:44px;padding:0 18px;font-size:14px}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}

/* ---------- Footer ---------- */
.foot{background:var(--ink);color:#8B9096;padding:64px 0 26px;border-top:1px solid rgba(255,255,255,.06)}
.foot__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.foot h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:16px}
.foot a{display:block;font-size:14px;color:#8B9096;padding:5px 0;position:relative;transition:color .18s ease}
.foot a:hover{color:var(--lime)}
.foot a:hover::before{
  content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);
  width:2px;height:14px;background:var(--lime);
}
.f-brand{color:#fff!important;font-size:16px;font-weight:800;letter-spacing:-.02em;margin-bottom:12px}
.foot p{font-size:13.5px;line-height:1.85;color:#7E838A}
.foot__note{font-size:13px;line-height:1.9}
.foot__bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#6B7078;
}
.foot__bottom .dom{font-family:var(--mono);letter-spacing:.06em}

/* ---------- Floating CTA ---------- */
.fabs{
  position:fixed;right:32px;bottom:32px;z-index:80;
  display:flex;flex-direction:column;align-items:flex-end;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.fabs.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.fab-main{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-chip);
  background:var(--lime);color:var(--ink);font-size:14.5px;font-weight:700;
  border:0;cursor:pointer;box-shadow:var(--sh2);
  transition:transform .18s ease;
}
.fab-main:hover{transform:translateY(-2px)}
.fab-top{
  width:48px;height:48px;border-radius:50%;background:#fff;color:var(--ink);
  border:1px solid var(--line);cursor:pointer;font-size:15px;box-shadow:var(--sh1);
  transition:transform .18s ease,border-color .18s ease;
}
.fab-top:hover{transform:translateY(-2px);border-color:rgba(198,242,78,.75)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .38s cubic-bezier(.2,.7,.2,1),transform .38s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:translateY(0)}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
}
@media (min-width:1024px){
  :root{--sbw:220px}
  .shell{transform:translateX(0)}
  .main{margin-left:var(--sbw);padding-top:0}
  .topbar{display:none}
  .mask{display:none}
  .section{padding:72px 0}
  .cta-band__in{padding:64px 0}
}
@media (min-width:1280px){
  :root{--sbw:236px}
  .shell{transform:translateX(0)}
  .section{padding:96px 0}
}
@media (max-width:1023px){
  .foot__grid{grid-template-columns:1fr 1fr;gap:28px}
  .flow{flex-wrap:wrap}
  .flow li{flex:0 0 50%;padding-right:18px;margin-bottom:22px}
  .flow li::after{display:none}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .grid-margin-x{margin-left:-8px;margin-right:-8px}
  .grid-margin-x>.cell{padding-left:8px;padding-right:8px}
  .section{padding:56px 0}
  .phero__inner{padding-top:56px;padding-bottom:36px}
  .phero__stats{gap:26px;margin-top:26px}
  .grid-card{padding:22px 20px}
  .hl-big{padding:26px 22px}
  .faq__a p{padding:0 8px 20px 30px}
  .foot{padding:48px 0 20px}
  .foot__grid{grid-template-columns:1fr;gap:24px}
  .fabs{
    right:0;left:0;bottom:0;flex-direction:row;justify-content:space-between;align-items:center;
    gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
    background:rgba(246,245,241,.94);border-top:1px solid var(--line);
  }
  .fabs .fab-main{flex:1;justify-content:center;border-radius:var(--r-btn)}
  .fab-top{border-radius:var(--r-btn);width:46px;height:46px}
  .cmp-wrap{border:0;background:transparent;overflow:visible}
  .cmp,.cmp tbody,.cmp tr,.cmp td{display:block;width:100%}
  .cmp thead{display:none}
  .cmp tr{
    background:#fff!important;border:1px solid var(--line);border-radius:var(--r-card);
    margin-bottom:14px;padding:8px 0;overflow:hidden;
  }
  .cmp td{border-top:0;padding:10px 18px}
  .cmp td::before{
    content:attr(data-label);display:block;font-family:var(--mono);font-size:11.5px;
    letter-spacing:.08em;color:var(--dim);margin-bottom:2px;
  }
}
@media (max-width:479px){
  .phero h1{font-size:28px}
  .btn{width:100%}
  .btn-row{gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}