/* roulang page: index */
:root{
  --ink:#12201C;--brand:#0F2E27;--lime:#C9F24D;--clay:#E4693B;
  --bg:#F6F3EC;--surface:#FFFFFF;--sand:#EDE8DE;
  --text:#161A18;--muted:#5C6660;--soft:#8B948E;
  --line:#DCD6CA;--line-dark:#2A3A34;
  --r-card:14px;--r-lg:18px;--r-pill:999px;--r-input:10px;
  --shadow:0 1px 0 rgba(18,32,28,.04);
  --shadow-hover:0 18px 40px -24px rgba(18,32,28,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--text);font-size:16.5px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand);text-decoration:underline;text-decoration-color:var(--clay);text-underline-offset:3px}
button{font:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.015em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:104px 0}
.section--white{background:var(--surface)}
.section--sand{background:var(--sand)}
.section--dark{background:var(--ink);color:#F1EFE8}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--clay)}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;display:block}
.section--dark .eyebrow{color:var(--lime)}
.h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;margin-top:14px}
.lead{max-width:640px;margin-top:16px;color:var(--muted);font-size:16.5px}
.section--dark .lead{color:rgba(241,239,232,.74)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:48px}
.textlink{font-size:15px;font-weight:600;border-bottom:1px solid var(--line);padding-bottom:4px}
.textlink:hover{border-bottom-color:var(--clay);text-decoration:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:var(--r-pill);font-weight:700;font-size:15px;border:1.5px solid transparent;cursor:pointer;transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),filter .22s var(--ease)}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--lime);color:var(--ink)}
.btn--primary:hover{filter:brightness(1.04);transform:translateY(-2px)}
.btn--ghost{border-color:var(--brand);color:var(--brand);background:transparent}
.btn--ghost:hover{background:var(--brand);color:#F6F3EC;transform:translateY(-2px)}
.btn--ghost-dark{border-color:rgba(246,243,236,.55);color:#F6F3EC;background:transparent}
.btn--ghost-dark:hover{background:#F6F3EC;color:var(--ink);transform:translateY(-2px)}
.btn .arrow{transition:transform .22s var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.btn--sm{padding:9px 18px;font-size:14px}

/* header */
.site-header{position:sticky;top:0;z-index:80;background:var(--bg);border-bottom:1px solid var(--line)}
.brandbar{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px}
.logo{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.logo:hover{text-decoration:none;color:var(--ink)}
.logo .mark{width:32px;height:32px;border-radius:9px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.04em;flex:none}
.logo .sub{display:block;font-size:11px;font-weight:600;letter-spacing:.14em;color:var(--soft);font-family:var(--mono)}
.brand-tools{display:flex;align-items:center;gap:16px}
.search-box{display:flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);padding:5px 6px 5px 14px}
.search-box input{border:0;background:transparent;outline:none;width:140px;font-size:14px;color:var(--text);height:32px}
.search-box input::placeholder{color:var(--soft)}
.search-box button{width:32px;height:32px;border:0;border-radius:50%;background:var(--ink);color:var(--lime);display:grid;place-items:center;cursor:pointer;font-size:13px;transition:background-color .2s}
.search-box button:hover{background:var(--brand)}
.tool-link{font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap}
.tool-link:hover{color:var(--brand);text-decoration:none}
.channelbar{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;border-top:1px solid var(--line)}
.channelbar::-webkit-scrollbar{display:none}
.channel{position:relative;padding:13px 0;font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;flex:none}
.channel:hover{color:var(--brand);text-decoration:none}
.channel::before{content:"";position:absolute;left:0;bottom:9px;height:1px;width:0;background:var(--brand);transition:width .22s var(--ease)}
.channel:hover::before{width:100%}
.channel.is-active{color:var(--ink)}
.channel.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--brand);border-radius:3px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
.drawer{position:fixed;inset:0;z-index:120;background:var(--ink);color:#F6F3EC;padding:26px 24px 40px;display:none;overflow-y:auto}
.drawer.open{display:block}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-top strong{font-size:16px;color:var(--lime);font-family:var(--mono);letter-spacing:.1em}
.drawer-close{width:42px;height:42px;border-radius:50%;border:1px solid var(--line-dark);background:transparent;color:#F6F3EC;font-size:18px;cursor:pointer}
.drawer a.drawer-link{display:block;font-size:23px;font-weight:800;color:#F6F3EC;padding:18px 0;border-bottom:1px solid var(--line-dark)}
.drawer a.drawer-link:hover{color:var(--lime);text-decoration:none}
.drawer .btn{margin-top:28px;width:100%}

/* hero */
.hero{position:relative;background:var(--ink);color:#F1EFE8;padding:84px 0 92px;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(42,58,52,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(42,58,52,.55) 1px,transparent 1px);background-size:72px 72px;opacity:.28;pointer-events:none;mask-image:linear-gradient(to bottom,transparent,#000 30%,#000 70%,transparent)}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:64px;align-items:center}
.hero-tag{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line-dark);border-radius:var(--r-pill);padding:7px 16px;font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--lime)}
.hero h1{font-size:clamp(32px,5vw,58px);font-weight:800;line-height:1.15;letter-spacing:-.02em;margin-top:24px;color:#F7F5EE}
.hero .sub{margin-top:22px;font-size:17px;line-height:1.8;color:rgba(241,239,232,.78);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-points{display:grid;grid-template-columns:repeat(3,1fr);margin-top:56px;border-top:1px solid var(--line-dark)}
.hero-point{padding:22px 22px 0 0}
.hero-point:not(:last-child){border-right:1px solid var(--line-dark);margin-right:22px}
.hero-point .num{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--lime)}
.hero-point strong{display:block;margin-top:9px;font-size:15px;color:#F7F5EE}
.hero-point span{display:block;margin-top:6px;font-size:13.5px;line-height:1.65;color:rgba(241,239,232,.62)}
.hero-figure{position:relative}
.hero-figure img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line-dark)}
.hero-badge{position:absolute;left:16px;bottom:16px;background:rgba(18,32,28,.86);border:1px solid var(--line-dark);border-radius:var(--r-pill);padding:8px 16px;font-size:12px;letter-spacing:.1em;color:var(--lime);font-family:var(--mono)}

/* cards */
.ucard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.ucard:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CDC5B4}
.ucard h3{font-size:21px;font-weight:700;line-height:1.35}
.ucard p{margin-top:10px;color:var(--muted);font-size:15.5px}
.card-img{border-radius:12px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10;margin-bottom:22px;background:var(--sand)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.ucard:hover .card-img img{transform:scale(1.02)}
.feature-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px}
.feature-grid .ucard--wide{display:flex;flex-direction:column}
.feature-list{margin-top:16px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;font-size:15px;color:var(--muted);border-bottom:1px dashed var(--line)}
.feature-list li:last-child{border-bottom:0}
.feature-list li::before{content:"";width:14px;height:1px;background:var(--clay);margin-top:14px;flex:none}
.mini-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:14.5px;font-weight:700;color:var(--brand);border-bottom:1px solid var(--line);padding-bottom:3px}
.mini-link:hover{border-bottom-color:var(--clay);text-decoration:none}
.feature-bottom{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.compact .num{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--clay)}
.compact h3{margin-top:12px;font-size:19px}
.compact p{margin-top:8px;font-size:15px}
.tag{display:inline-block;font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-pill);background:var(--sand);color:#B3502A;border:1px solid #E3D9CA}

/* scenes */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:56px 0;border-top:1px solid var(--line)}
.scene:first-of-type{border-top:0;padding-top:8px}
.scene--flip .scene-media{order:2}
.scene-media img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line)}
.scene-num{font-family:var(--mono);font-size:13px;letter-spacing:.16em;color:var(--clay)}
.scene h3{font-size:clamp(21px,2.4vw,27px);font-weight:700;margin-top:10px}
.scene p.body{margin-top:12px;color:var(--muted);max-width:520px}
.checklist{margin-top:18px;max-width:520px}
.checklist li{display:flex;gap:12px;font-size:15px;color:var(--muted);padding:9px 0;border-bottom:1px solid var(--line)}
.checklist li::before{content:"";width:14px;height:1px;background:var(--brand);margin-top:14px;flex:none}

/* evidence */
.evidence{display:grid}
.evidence-item{position:relative;display:grid;grid-template-columns:200px 1fr;gap:40px;align-items:center;padding:34px 0;border-top:1px solid #D6CFC0;overflow:hidden}
.evidence-item:last-child{border-bottom:1px solid #D6CFC0}
.evidence-item::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--clay);transition:width .55s var(--ease)}
.evidence-item:hover::after{width:100%}
.evidence-figure{font-family:var(--mono);font-size:clamp(28px,3.4vw,40px);font-weight:700;color:var(--brand);letter-spacing:-.02em}
.evidence-figure em{display:block;font-style:normal;font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--soft);margin-top:6px}
.evidence-text{font-size:16px;color:var(--muted);max-width:700px}

/* plans */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.plan:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.plan h3{font-size:21px}
.plan .price{font-family:var(--mono);font-size:34px;font-weight:700;margin-top:16px;letter-spacing:-.02em}
.plan .price small{font-family:var(--sans);font-size:13px;font-weight:600;color:var(--soft);margin-left:6px}
.plan .note{margin-top:8px;font-size:14px;color:var(--muted)}
.plan ul{margin:22px 0 26px}
.plan li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);padding:9px 0;border-bottom:1px solid var(--line)}
.plan li:last-child{border-bottom:0}
.plan li::before{content:"✓";font-weight:700;color:var(--brand);flex:none}
.plan .btn{margin-top:auto;width:100%}
.plan--featured{background:var(--ink);border-color:var(--line-dark);color:#F1EFE8;position:relative}
.plan--featured h3{color:#F7F5EE}
.plan--featured .price{color:var(--lime)}
.plan--featured .note,
.plan--featured li{color:rgba(241,239,232,.72);border-bottom-color:var(--line-dark)}
.plan--featured li::before{color:var(--lime)}
.plan .flag{position:absolute;top:-13px;right:24px;background:var(--lime);color:var(--ink);font-size:12px;font-weight:700;padding:5px 14px;border-radius:var(--r-pill);letter-spacing:.06em}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.news-link{display:flex;flex-direction:column;height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease)}
.news-link:hover{text-decoration:none;transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#CDC5B4}
.news-link h3{margin-top:14px;font-size:19px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-link:hover h3{text-decoration:underline;text-decoration-color:var(--clay);text-underline-offset:4px}
.news-link p{margin-top:10px;color:var(--muted);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--soft);font-family:var(--mono);letter-spacing:.04em}
.news-meta .go{font-family:var(--sans);font-weight:600;color:var(--brand)}
.empty-state{border:1px dashed var(--line);border-radius:var(--r-card);background:var(--surface);padding:48px 26px;text-align:center;color:var(--muted)}
.empty-state .mark{width:52px;height:52px;border-radius:50%;border:1px solid var(--line);margin:0 auto 16px;display:grid;place-items:center;color:var(--soft);font-family:var(--mono)}

/* faq */
.faq{max-width:880px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-of-type{border-top:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 0;font-size:17px;font-weight:700;cursor:pointer;list-style:none;color:var(--text)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:20px;line-height:1;color:var(--brand);transition:transform .2s var(--ease);flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .answer{padding:0 0 22px;color:var(--muted);line-height:1.85;max-width:720px}

/* cta */
.cta-band{background:var(--ink);color:#F1EFE8;padding:76px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:800;max-width:620px}
.cta-inner p{margin-top:12px;color:rgba(241,239,232,.72);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--ink);color:rgba(241,239,232,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:44px;padding-bottom:56px}
.footer-brand .logo{color:#F7F5EE}
.footer-brand .logo .sub{color:rgba(241,239,232,.5)}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.8;max-width:320px;color:rgba(241,239,232,.66)}
.footer-col h4{color:#F7F5EE;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a{color:rgba(241,239,232,.72);font-size:14.5px}
.footer-col a:hover{color:var(--lime);text-decoration:none}
.footer-form .field{margin-bottom:14px}
.footer-form label{display:block;font-size:13px;font-weight:600;color:#F7F5EE;margin-bottom:8px}
.footer-form input{width:100%;height:48px;border-radius:var(--r-input);border:1px solid var(--line-dark);background:rgba(246,243,236,.06);color:#F7F5EE;padding:0 14px;font-size:14.5px}
.footer-form input::placeholder{color:rgba(246,243,236,.4)}
.footer-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 2px rgba(201,242,77,.2)}
.footer-form .tip{font-size:12.5px;color:rgba(241,239,232,.5);margin-top:10px;line-height:1.7}
.footer-bottom{border-top:1px solid var(--line-dark);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(241,239,232,.52)}
.footer-bottom .mono{font-family:var(--mono);letter-spacing:.04em}

/* reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* responsive */
@media (max-width:1199px){
  .section{padding:80px 0}
  .hero-grid{grid-template-columns:1fr .9fr;gap:40px}
  .feature-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-form{grid-column:1/-1}
}
@media (max-width:1023px){
  .hero{padding:64px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-figure{max-width:460px}
  .hero-figure img{aspect-ratio:16/12}
  .feature-grid{grid-template-columns:1fr}
  .feature-bottom{grid-template-columns:1fr 1fr}
  .scene{grid-template-columns:1fr;gap:28px;padding:40px 0}
  .scene--flip .scene-media{order:0}
  .scene-media img{aspect-ratio:16/9}
  .evidence-item{grid-template-columns:150px 1fr;gap:24px}
  .plans{grid-template-columns:1fr;gap:20px}
  .plan--featured{order:-1}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
  .channelbar{display:none}
  .brand-tools .tool-link{display:none}
}
@media (max-width:767px){
  .section{padding:64px 0}
  .section-head{margin-bottom:32px}
  .brandbar{height:64px}
  .logo{font-size:16px}
  .logo .mark{width:28px;height:28px;border-radius:8px}
  .logo .sub{display:none}
  .hero-points{grid-template-columns:1fr;border-top:1px solid var(--line-dark)}
  .hero-point{padding:18px 0;border-right:0;margin-right:0;border-bottom:1px solid var(--line-dark)}
  .hero-point:last-child{border-bottom:0}
  .feature-bottom{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .ucard,.news-link,.plan{padding:18px}
  .hero h1{font-size:clamp(28px,7vw,36px)}
  .hero-actions .btn{width:100%}
  .evidence-item{grid-template-columns:1fr;gap:10px;padding:26px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink:#12201C;
  --brand:#0F2E27;
  --lime:#C9F24D;
  --clay:#E4693B;
  --bg:#F6F3EC;
  --bg-alt:#EDE8DE;
  --white:#FFFFFF;
  --text:#161A18;
  --text-2:#5C6660;
  --text-3:#8B948E;
  --line:#DCD6CA;
  --line-dark:#2A3A34;
  --r-card:14px;
  --r-lg:18px;
  --r-pill:999px;
  --r-input:10px;
  --shadow-1:0 1px 0 rgba(18,32,28,.04);
  --shadow-2:0 18px 40px -24px rgba(18,32,28,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color 200ms var(--ease),border-color 200ms var(--ease)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:20px}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.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}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line)}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;border-bottom:0;font-weight:800;font-size:16px;line-height:1.1;letter-spacing:-.01em;color:var(--brand)}
.logo .mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:var(--ink);color:var(--lime);font-family:var(--mono);font-size:12.5px;font-weight:700;letter-spacing:.02em}
.logo .sub{display:block;margin-top:3px;font-size:10.5px;font-weight:600;letter-spacing:.18em;color:var(--text-3)}
.brandbar-right{display:flex;align-items:center;gap:18px}
.search{display:flex;align-items:center;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--white);padding:0 4px 0 14px;height:38px;transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease)}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(201,242,77,.28)}
.search input{border:0;background:transparent;font-size:13.5px;width:158px;height:34px;color:var(--text);outline:none;padding:0}
.search input::placeholder{color:var(--text-3)}
.search button{width:30px;height:30px;border:0;border-radius:50%;background:var(--ink);color:var(--lime);font-size:13px;cursor:pointer;line-height:1}
.textlink{font-size:14px;font-weight:600;color:var(--text-2);border-bottom:1px solid transparent;padding-bottom:2px}
.textlink:hover{color:var(--brand);border-bottom-color:var(--clay)}
.hamburger{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:var(--white);color:var(--brand);font-size:17px;line-height:1;cursor:pointer}
.hamburger:hover{border-color:var(--brand)}

.channelbar{border-top:1px solid transparent}
.channelbar-inner{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:0 24px}
.channelbar-inner::-webkit-scrollbar{display:none}
.channel{position:relative;display:inline-block;flex:0 0 auto;padding:12px 0;font-size:14.5px;font-weight:600;color:var(--text-2);border-bottom:0;white-space:nowrap}
.channel::after{content:"";position:absolute;left:0;right:100%;bottom:4px;height:2px;background:var(--brand);transition:right 220ms var(--ease)}
.channel:hover{color:var(--brand)}
.channel:hover::after{right:0}
.channel.is-active{color:var(--brand)}
.channel.is-active::after{right:0;height:3px;bottom:2px}

/* ---------- drawer ---------- */
.drawer{display:none;position:fixed;inset:0;z-index:120;background:var(--ink);color:#E7EFE9;padding:28px 24px 40px;flex-direction:column;gap:28px}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line-dark);padding-bottom:18px}
.drawer-head span{font-weight:800;font-size:16px;color:var(--lime)}
.drawer-close{width:38px;height:38px;border:1px solid var(--line-dark);border-radius:10px;background:transparent;color:#E7EFE9;font-size:20px;line-height:1;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:14px 0;font-size:22px;font-weight:700;color:#E7EFE9;border-bottom:1px solid var(--line-dark)}
.drawer-nav a:hover{color:var(--lime)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;border:1.5px solid transparent;border-radius:var(--r-pill);padding:14px 26px;font-size:15px;font-weight:700;line-height:1.2;cursor:pointer;transition:transform 220ms var(--ease),background-color 220ms var(--ease),color 220ms var(--ease),box-shadow 220ms var(--ease),filter 220ms var(--ease)}
.btn .arrow{display:inline-block;transition:transform 220ms var(--ease)}
.btn:hover .arrow{transform:translateX(4px)}
.btn--primary{background:var(--lime);color:var(--ink)}
.btn--primary:hover{filter:brightness(1.04);transform:translateY(-2px);color:var(--ink)}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn--ghost:hover{background:var(--brand);color:var(--bg)}
.btn--ghost-light{background:transparent;border-color:#C9D3CE;color:#F1F5F2}
.btn--ghost-light:hover{background:#F1F5F2;color:var(--ink)}
.btn--sm{padding:9px 18px;font-size:13.5px}

/* ---------- breadcrumb ---------- */
.breadcrumb{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:26px 0 0;margin:0;font-size:13px;color:var(--text-3)}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0}
.breadcrumb li::after{content:"/";color:var(--line);font-family:var(--mono)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--text-2);border-bottom:1px solid transparent}
.breadcrumb a:hover{color:var(--brand);border-bottom-color:var(--clay)}
.breadcrumb .current{max-width:380px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-2)}

/* ---------- article head ---------- */
.article-head{padding:32px 0 0}
.article-head .tag{display:inline-flex;align-items:center;border:1px solid #E6DCCB;background:#F1EBDF;color:var(--clay);border-radius:var(--r-pill);padding:4px 12px;font-size:12px;font-weight:600;letter-spacing:.1em}
.article-head h1{max-width:920px;margin:18px 0 22px;font-size:clamp(28px,4.4vw,46px);font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--ink)}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:13px;color:var(--text-3)}
.post-meta .m-strong{color:var(--text-2);font-weight:600}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);display:inline-block}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:64px;align-items:start;padding:44px 0 8px}
.article-main{min-width:0}

/* ---------- prose ---------- */
.article-prose{max-width:760px;font-size:16.5px;line-height:1.9;color:#242B27}
.article-prose > *:first-child{margin-top:0}
.article-prose p{margin:0 0 20px}
.article-prose h2{position:relative;margin:48px 0 16px;padding-left:16px;font-size:clamp(21px,2.4vw,27px);font-weight:800;line-height:1.4;letter-spacing:-.01em;color:var(--brand);scroll-margin-top:110px}
.article-prose h2::before{content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:3px;border-radius:3px;background:var(--brand)}
.article-prose h3{margin:32px 0 12px;font-size:19.5px;font-weight:700;line-height:1.5;color:var(--ink);scroll-margin-top:110px}
.article-prose h4{margin:24px 0 10px;font-size:17px;font-weight:700;color:var(--ink)}
.article-prose ul,.article-prose ol{margin:0 0 22px;padding-left:22px}
.article-prose li{margin-bottom:10px}
.article-prose li::marker{color:var(--clay)}
.article-prose strong{color:var(--ink);font-weight:700}
.article-prose blockquote{margin:28px 0;padding:18px 22px;background:#EFE9DD;border-left:3px solid var(--clay);border-radius:0 10px 10px 0;color:#33403A}
.article-prose blockquote p:last-child{margin-bottom:0}
.article-prose a{color:var(--brand);border-bottom:1px solid var(--brand)}
.article-prose a:hover{color:var(--clay);border-bottom-color:var(--clay)}
.article-prose img{width:100%;border-radius:var(--r-card);border:1px solid var(--line);margin:6px 0 4px}
.article-prose figure{margin:28px 0}
.article-prose figcaption{margin-top:10px;font-size:13px;color:var(--text-3);text-align:center}
.article-prose code{font-family:var(--mono);font-size:.9em;background:var(--bg-alt);padding:2px 6px;border-radius:6px;color:var(--brand)}
.article-prose pre{margin:24px 0;padding:18px 20px;background:var(--ink);color:#E7EFE9;border-radius:var(--r-card);overflow-x:auto;font-family:var(--mono);font-size:13.5px;line-height:1.7}
.article-prose pre code{background:none;padding:0;color:inherit;font-size:1em}
.article-prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.table-scroll{margin:26px 0;border:1px solid var(--line);border-radius:var(--r-card);overflow-x:auto;background:var(--white)}
.table-scroll table{width:100%;min-width:520px;border-collapse:collapse;font-size:14.5px}
.table-scroll th{background:var(--ink);color:#E7EFE9;text-align:left;font-weight:700;padding:12px 16px;white-space:nowrap}
.table-scroll td{padding:12px 16px;border-top:1px solid var(--line);color:#2B332E}
.table-scroll tbody tr:nth-child(even){background:#FAF7F1}

/* ---------- article foot ---------- */
.article-foot{max-width:760px;margin:44px 0 0;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag-row .tag{display:inline-flex;align-items:center;border:1px solid #E6DCCB;background:#F1EBDF;color:var(--clay);border-radius:var(--r-pill);padding:4px 12px;font-size:12px;font-weight:600;letter-spacing:.06em;border-bottom-width:1px}
.tag-row a.tag:hover{background:var(--clay);color:#FFF6F1;border-color:var(--clay)}

/* ---------- toc ---------- */
.toc-wrap{position:sticky;top:104px}
.toc{border-left:1px solid var(--line);padding-left:20px}
.toc-title{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--text-3);margin-bottom:12px}
.toc ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.toc li a{display:block;font-size:13.5px;line-height:1.55;color:var(--text-2);border-bottom:0}
.toc li a:hover{color:var(--brand);border-bottom:1px solid var(--clay);display:inline-block}
.toc li.toc-sub{padding-left:14px}
.toc li.toc-sub a{font-size:12.5px;color:var(--text-3)}
.toc-toggle{display:none;width:100%;align-items:center;justify-content:space-between;gap:10px;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:13px 16px;font-size:14px;font-weight:700;color:var(--brand);cursor:pointer}
.toc-toggle .sign{font-family:var(--mono);font-size:16px;color:var(--clay)}
.toc-wrap.is-open .toc{display:block}
@media (max-width:1023px){
  .toc-wrap{position:static;order:-1}
  .toc-toggle{display:flex}
  .toc{display:none;margin-top:14px;border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:16px}
}

/* ---------- empty ---------- */
.empty-state{max-width:640px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-1)}
.empty-state h2{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:10px}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ---------- related ---------- */
.related{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.section-head p{font-size:14px;color:var(--text-2);max-width:520px;margin-top:8px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform 220ms var(--ease),box-shadow 220ms var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.card-thumb{width:100%;aspect-ratio:3/2;object-fit:cover;border-bottom:1px solid var(--line)}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px 20px 22px}
.card-body h3{font-size:17.5px;font-weight:700;line-height:1.45;color:var(--ink)}
.card:hover .card-body h3{text-decoration:underline;text-decoration-color:var(--clay);text-underline-offset:4px}
.card-body p{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);font-family:var(--mono)}
.card-link{margin-top:4px;font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.card:hover .card-link .arrow{transform:translateX(4px)}
.card-link .arrow{transition:transform 220ms var(--ease)}

/* ---------- cta ---------- */
.cta-band{margin-top:88px;background:var(--ink) url("/assets/images/backpic/back-2.png") center/cover no-repeat;color:#E9F0EC;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(18,32,28,.97) 0%,rgba(18,32,28,.9) 58%,rgba(18,32,28,.72) 100%)}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;padding:72px 24px}
.cta-inner h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;line-height:1.3;letter-spacing:-.01em;max-width:640px}
.cta-inner p{margin-top:14px;font-size:15px;color:#B9C6C0;max-width:560px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--lime);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C3CFC9;padding:72px 0 0;font-size:14.5px;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:48px}
.footer-brand .logo{color:#F1F5F2;margin-bottom:16px}
.footer-brand .logo .mark{background:var(--lime);color:var(--ink)}
.footer-brand .logo .sub{color:#8FA097}
.footer-brand p{font-size:14px;line-height:1.8;color:#A6B4AE;max-width:340px}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.14em;color:#F1F5F2;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{color:#A6B4AE;border-bottom:1px solid transparent}
.footer-col a:hover{color:var(--lime);border-bottom-color:var(--lime)}
.footer-form .field{margin-bottom:14px}
.footer-form label{display:block;font-size:12.5px;font-weight:600;color:#A6B4AE;margin-bottom:8px}
.footer-form input{width:100%;height:48px;border-radius:var(--r-input);border:1px solid var(--line-dark);background:#1A2A24;color:#F1F5F2;padding:0 14px;font-size:14px;font-family:inherit}
.footer-form input::placeholder{color:#6E8078}
.footer-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.2)}
.footer-form .tip{margin-top:12px;font-size:12.5px;line-height:1.7;color:#7F918A}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:56px;padding:20px 0 26px;border-top:1px solid var(--line-dark);font-size:13px;color:#8FA097}
.footer-bottom .mono{font-family:var(--mono);letter-spacing:.04em}

/* ---------- reveal ---------- */
body.reveal-on [data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
body.reveal-on [data-reveal].is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .card-grid{gap:20px}
  .article-layout{gap:48px}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;padding-top:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .brandbar-right .textlink{display:none}
  .search input{width:120px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .hamburger{display:inline-flex;align-items:center;justify-content:center}
  .search{display:none}
  .brandbar-right{gap:10px}
  .brandbar-right .btn{display:none}
  .channelbar-inner{gap:22px;padding:0 20px;mask-image:linear-gradient(90deg,transparent 0,#000 20px,#000 calc(100% - 20px),transparent 100%)}
  .article-head h1{margin:16px 0 18px}
  .card-grid{grid-template-columns:1fr}
  .cta-inner{padding:56px 20px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding-top:56px}
  .related{padding-top:56px}
  .cta-band{margin-top:56px}
}
@media (max-width:519px){
  .article-prose{font-size:16px}
  .article-prose h2{margin-top:40px}
  .post-meta{font-size:12px;gap:8px 12px}
  .breadcrumb .current{max-width:200px}
  .logo{font-size:15px}
  .logo .mark{width:30px;height:30px;font-size:11.5px}
  .btn{padding:13px 22px;font-size:14.5px}
  .empty-state{padding:24px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  body.reveal-on [data-reveal]{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#12201C;
  --deep:#0F2E27;
  --lime:#C9F24D;
  --clay:#E4693B;
  --paper:#F6F3EC;
  --white:#FFFFFF;
  --sand:#EDE8DE;
  --text:#161A18;
  --muted:#5C6660;
  --faint:#8B948E;
  --line:#DCD6CA;
  --line-dark:#2A3A34;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;
  --shadow-1:0 1px 0 rgba(18,32,28,.04);
  --shadow-2:0 18px 40px -24px rgba(18,32,28,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --mono:SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

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

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

body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

h1,h2,h3,h4,h5,h6{
  font-family:var(--sans);
  color:var(--text);
  margin:0;
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.01em;
}

h1{font-size:clamp(32px,4.6vw,56px);line-height:1.15;letter-spacing:-.02em;}
h2{font-size:clamp(26px,3.2vw,40px);}
h3{font-size:21px;font-weight:700;letter-spacing:0;}
h4{font-size:16px;font-weight:700;}

p{margin:0 0 1em;max-width:780px;}
p:last-child{margin-bottom:0;}

a{color:var(--deep);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--clay);}

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

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

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

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

:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px;}

.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;
}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 顶部品牌行 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}

.brandbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}

.logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--ink);
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  border:0;
  flex-shrink:0;
}
.logo .mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);
  color:var(--lime);
  border-radius:11px;
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  flex-shrink:0;
}
.logo .sub{color:var(--muted);font-weight:600;font-size:13px;margin-left:2px;}
.logo:hover{color:var(--ink);}
.logo:hover .sub{color:var(--deep);}

.brand-actions{
  display:flex;
  align-items:center;
  gap:16px;
  flex-shrink:0;
}

.search{
  display:flex;
  align-items:center;
  border:1px solid var(--line);
  background:var(--white);
  border-radius:999px;
  padding:3px 4px 3px 14px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search input{
  border:0;
  background:transparent;
  height:34px;
  width:170px;
  font-size:14px;
  color:var(--text);
  outline:none;
  padding:0;
}
.search input::placeholder{color:var(--faint);}
.search:focus-within{
  border-color:var(--deep);
  box-shadow:0 0 0 3px rgba(201,242,77,.35);
}
.search-btn{
  border:0;
  background:var(--ink);
  color:var(--lime);
  font-size:13px;
  font-weight:700;
  padding:7px 14px;
  border-radius:999px;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.search-btn:hover{background:var(--deep);transform:translateY(-1px);}
.search-btn:active{transform:translateY(0);}

.text-link{
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  white-space:nowrap;
}
.text-link:hover{color:var(--deep);border-bottom-color:var(--clay);}

.hamburger{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  background:var(--white);
  border-radius:10px;
  position:relative;
}
.hamburger span,
.hamburger span::before,
.hamburger span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ink);
  transform:translateX(-50%);
  content:"";
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.hamburger span{top:50%;margin-top:-1px;}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* ---------- 频道行 ---------- */
.channelbar-wrap{
  border-bottom:1px solid var(--line);
  background:var(--paper);
}
.channelbar{
  display:flex;
  align-items:center;
  gap:28px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding:0;
}
.channelbar::-webkit-scrollbar{display:none;}
.channel{
  position:relative;
  display:inline-block;
  padding:13px 0 14px;
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  white-space:nowrap;
  border-bottom:3px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.channel:hover{color:var(--deep);border-bottom-color:rgba(15,46,39,.35);}
.channel.is-active{color:var(--ink);border-bottom-color:var(--deep);}
.channel.is-active::before{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:3px;
  background:var(--deep);
}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:var(--ink);
  color:var(--white);
  padding:20px 24px 40px;
  display:flex;
  flex-direction:column;
  gap:28px;
  transform:translateY(-100%);
  opacity:0;
  visibility:hidden;
  transition:transform .32s var(--ease),opacity .32s var(--ease),visibility .32s;
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-top{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-bottom:20px;border-bottom:1px solid var(--line-dark);
}
.drawer .logo{color:var(--white);}
.drawer .logo .mark{background:var(--lime);color:var(--ink);}
.drawer .logo .sub{color:#9BA8A1;}
.drawer-close{
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line-dark);
  background:transparent;color:var(--white);
  font-size:20px;line-height:1;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-close:hover{background:var(--lime);color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  color:var(--white);
  font-size:24px;
  font-weight:800;
  padding:14px 0;
  border-bottom:1px solid var(--line-dark);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.drawer-nav a:hover{color:var(--lime);padding-left:6px;}
.drawer-nav a.is-active{color:var(--lime);}
.drawer-note{color:#9BA8A1;font-size:14px;line-height:1.8;max-width:420px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border-radius:999px;
  padding:14px 26px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  border:1.5px solid transparent;
  transition:background .22s var(--ease),color .22s var(--ease),
             border-color .22s var(--ease),transform .22s var(--ease),
             box-shadow .22s var(--ease),filter .22s var(--ease);
  white-space:nowrap;
}
.btn .arrow{transition:transform .22s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn:active{transform:translateY(0);}

.btn--primary{
  background:var(--lime);
  color:var(--ink);
  border-color:var(--lime);
}
.btn--primary:hover{
  filter:brightness(1.04);
  transform:translateY(-2px);
  color:var(--ink);
  box-shadow:0 12px 26px -16px rgba(18,32,28,.6);
}

.btn--ghost{
  background:transparent;
  color:var(--deep);
  border-color:var(--deep);
}
.btn--ghost:hover{
  background:var(--deep);
  color:var(--paper);
  transform:translateY(-2px);
}

.btn--light{
  background:transparent;
  color:var(--paper);
  border-color:rgba(246,243,236,.55);
}
.btn--light:hover{
  background:var(--paper);
  color:var(--ink);
  border-color:var(--paper);
  transform:translateY(-2px);
}

.btn--sm{padding:10px 18px;font-size:13px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--faint);}
.breadcrumb a{color:var(--muted);border-bottom:1px solid transparent;padding-bottom:1px;}
.breadcrumb a:hover{color:var(--deep);border-bottom-color:var(--clay);}
.breadcrumb [aria-current="page"]{color:var(--ink);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  background:var(--ink);
  color:var(--paper);
  padding:56px 0 64px;
  margin-top:20px;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px) 0 0/100% 96px,
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px) 0 0/96px 100%;
  pointer-events:none;
  opacity:.6;
}
.hero .container{position:relative;z-index:1;}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:56px;
  align-items:center;
}
.hero h1{color:var(--paper);margin-bottom:20px;}
.hero h1 em{
  font-style:normal;
  color:var(--lime);
  background:linear-gradient(transparent 72%,rgba(201,242,77,.22) 72%);
}
.hero-lead{
  color:#C6CFC9;
  font-size:17px;
  line-height:1.85;
  max-width:560px;
  margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

.hero-figure{position:relative;}
.hero-figure img{
  width:100%;
  aspect-ratio:4/5;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line-dark);
}
.float-tag{
  position:absolute;
  left:-14px;
  bottom:26px;
  background:var(--paper);
  color:var(--ink);
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  padding:9px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  box-shadow:0 10px 24px -18px rgba(0,0,0,.8);
}

.hero-points{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  margin-top:48px;
  padding-top:26px;
  border-top:1px solid var(--line-dark);
}
.hero-points .point{
  padding:0 24px;
  border-left:1px solid var(--line-dark);
}
.hero-points .point:first-child{padding-left:0;border-left:0;}
.hero-points .num{
  display:block;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--lime);
  margin-bottom:6px;
}
.hero-points strong{display:block;color:var(--paper);font-size:15px;margin-bottom:4px;}
.hero-points span.txt{color:#9BA8A1;font-size:14px;line-height:1.7;display:block;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section--white{background:var(--white);}
.section--sand{background:var(--sand);}
.section--tight{padding:72px 0;}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:44px;
  flex-wrap:wrap;
}
.section-head .head-text{max-width:660px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--clay);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:26px;height:1px;
  background:var(--clay);
  display:inline-block;
}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);margin:0;max-width:640px;}

/* ---------- 卡片网格 ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  display:flex;
  flex-direction:column;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:#C9C2B2;
}
.card-media{overflow:hidden;background:var(--sand);}
.card-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:20px;}
.card-body p{font-size:15px;color:var(--muted);line-height:1.75;margin:0;}
.card-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.card-link{font-size:14px;font-weight:700;color:var(--deep);border-bottom:1px solid rgba(15,46,39,.3);padding-bottom:2px;}
.card-link:hover{color:var(--clay);border-bottom-color:var(--clay);}
.card-index{
  font-family:var(--mono);
  font-size:12px;
  color:var(--faint);
  letter-spacing:.1em;
}

.tag{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  padding:4px 10px;
  border-radius:999px;
  background:rgba(228,105,59,.1);
  color:#B44E24;
  border:1px solid rgba(228,105,59,.28);
  white-space:nowrap;
}

/* ---------- 图文交替 ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:40px 0;
  border-top:1px solid var(--line);
}
.split:first-of-type{border-top:0;padding-top:0;}
.split-media img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  border-radius:var(--r-md);
  border:1px solid var(--line);
}
.split-body h3{font-size:clamp(22px,2.4vw,28px);margin:14px 0 12px;}
.split-body p{color:var(--muted);font-size:16px;margin-bottom:18px;}
.split-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:44px;
  height:26px;
  padding:0 10px;
  background:var(--ink);
  color:var(--lime);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.12em;
  border-radius:6px;
}
.split-list li{
  position:relative;
  padding:11px 0 11px 26px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--text);
}
.split-list li:last-child{border-bottom:0;}
.split-list li::before{
  content:"";
  position:absolute;
  left:0;top:19px;
  width:12px;height:1.5px;
  background:var(--clay);
}
.split--reverse .split-media{order:2;}

/* ---------- 强调条 ---------- */
.accent-bar{
  background:var(--ink);
  color:var(--paper);
  padding:22px 0;
}
.accent-bar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.accent-bar p{
  margin:0;
  font-size:15px;
  color:#C6CFC9;
  max-width:760px;
}
.accent-bar strong{color:var(--lime);font-weight:700;}
.accent-bar .accent-link{
  color:var(--lime);
  font-weight:700;
  font-size:14px;
  border-bottom:1px solid rgba(201,242,77,.5);
  padding-bottom:2px;
  white-space:nowrap;
}
.accent-bar .accent-link:hover{color:var(--paper);border-bottom-color:var(--paper);}

/* ---------- 清单区 ---------- */
.checklists{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
}
.checklist-block h3{font-size:22px;margin-bottom:8px;}
.checklist-block > p{color:var(--muted);font-size:15px;margin-bottom:18px;}
.checklist li{
  position:relative;
  padding:14px 0 14px 30px;
  border-bottom:1px solid var(--line);
  font-size:15.5px;
  line-height:1.7;
}
.checklist li:first-child{border-top:1px solid var(--line);}
.checklist li::before{
  content:"✓";
  position:absolute;
  left:0;top:14px;
  color:var(--deep);
  font-size:15px;
  font-weight:700;
}
.checklist li strong{display:block;font-weight:700;color:var(--ink);margin-bottom:2px;}
.checklist li span{color:var(--muted);font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-item{
  border-bottom:1px solid var(--line);
}
.faq-item:first-of-type{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:22px 44px 22px 0;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  position:relative;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--deep);}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:6px;top:50%;
  transform:translateY(-50%);
  font-family:var(--mono);
  font-size:20px;
  font-weight:400;
  color:var(--deep);
  transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-answer{
  padding:0 0 22px;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
  max-width:780px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  color:var(--paper);
  padding:72px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:40px;
  align-items:center;
}
.cta-band h2{color:var(--paper);margin-bottom:14px;}
.cta-band p{color:#9BA8A1;margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:#9BA8A1;
  padding:72px 0 0;
  font-size:15px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .8fr .8fr 1.1fr;
  gap:40px;
  padding-bottom:56px;
  border-bottom:1px solid var(--line-dark);
}
.site-footer .logo{color:var(--paper);margin-bottom:18px;}
.site-footer .logo .mark{background:var(--lime);color:var(--ink);}
.site-footer .logo .sub{color:#8B948E;}
.footer-brand p{color:#9BA8A1;font-size:14.5px;line-height:1.85;max-width:360px;margin:0;}
.footer-col h4{
  color:var(--paper);
  font-size:14px;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  color:#9BA8A1;
  font-size:14.5px;
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-col a:hover{color:var(--lime);border-bottom-color:rgba(201,242,77,.5);}
.field{margin-bottom:12px;}
.field label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:#C6CFC9;
  margin-bottom:7px;
}
.field input{
  width:100%;
  height:48px;
  padding:0 14px;
  border:1px solid var(--line-dark);
  border-radius:var(--r-sm);
  background:#1A2C26;
  color:var(--paper);
  font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:#6E7C75;}
.field input:focus{
  outline:none;
  border-color:var(--lime);
  box-shadow:0 0 0 3px rgba(201,242,77,.18);
}
.footer-form .tip{font-size:13px;color:#7C8A83;line-height:1.7;margin:12px 0 0;max-width:320px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:24px 0 28px;
  font-size:13.5px;
  color:#7C8A83;
}
.footer-bottom .mono{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;}

/* ---------- 动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px;}
  .feature-grid{gap:20px;}
  .split{gap:40px;}
}

@media (max-width:1023px){
  body{font-size:16px;}
  .section{padding:72px 0;}
  .hero{padding:48px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{max-width:460px;}
  .hero-figure img{aspect-ratio:16/10;}
  .float-tag{left:16px;bottom:16px;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;padding:34px 0;}
  .split--reverse .split-media{order:0;}
  .checklists{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-form{grid-column:1/-1;max-width:420px;}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .cta-actions{justify-content:flex-start;}
  .search input{width:130px;}
}

@media (max-width:767px){
  .container{padding:0 20px;}
  .brand-actions .text-link{display:none;}
  .search{display:none;}
  .hamburger{display:block;}
  .channelbar{gap:22px;}
  .hero-points{grid-template-columns:1fr;gap:0;margin-top:36px;padding-top:0;border-top:0;}
  .hero-points .point{
    padding:16px 0;
    border-left:0;
    border-top:1px solid var(--line-dark);
  }
  .hero-points .point:first-child{padding-left:0;border-top:1px solid var(--line-dark);}
  .feature-grid{grid-template-columns:1fr;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head{margin-bottom:30px;gap:16px;}
  .hero h1{font-size:clamp(28px,7vw,38px);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1/-1;}
  .footer-form{grid-column:1/-1;max-width:none;}
  .cta-band{padding:56px 0;}
  .accent-bar .container{flex-direction:column;align-items:flex-start;gap:12px;}
}

@media (max-width:519px){
  .logo{font-size:15px;}
  .logo .mark{width:34px;height:34px;font-size:12px;}
  .logo .sub{display:block;font-size:12px;margin-left:0;}
  .logo-text{display:flex;flex-direction:column;line-height:1.25;}
  .brand-actions{gap:10px;}
  .btn{padding:13px 20px;font-size:14px;}
  .hero-actions .btn{flex:1 1 auto;justify-content:center;}
  .card-body{padding:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}

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

/* roulang page: category2 */
:root{
  --deep:#12201C;
  --brand:#0F2E27;
  --lime:#C9F24D;
  --clay:#E4693B;
  --bg:#F6F3EC;
  --bg-alt:#EDE8DE;
  --white:#FFFFFF;
  --ink:#161A18;
  --ink-2:#5C6660;
  --ink-3:#8B948E;
  --line:#DCD6CA;
  --line-dark:#2A3A34;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:18px;
  --shadow-1:0 1px 0 rgba(18,32,28,.04);
  --shadow-2:0 18px 40px -24px rgba(18,32,28,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --mono:SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --section-y:104px;
  --container:1240px;
}
*,*::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:var(--sans);
  font-size:16.5px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;border-bottom:1px solid rgba(15,46,39,.28);transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--clay);border-bottom-color:var(--clay);}
a.btn,a.logo,a.channel,a.footer-link{border-bottom:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.mono{font-family:var(--mono);letter-spacing:.02em;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px;}
.logo{display:inline-flex;align-items:center;gap:11px;font-weight:800;font-size:17px;color:var(--deep);letter-spacing:-.01em;}
.logo .mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:var(--deep);color:var(--lime);font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.02em;}
.logo .sub{display:block;font-size:11px;font-weight:600;letter-spacing:.14em;color:var(--ink-3);font-family:var(--mono);line-height:1.2;margin-top:2px;}
.topbar-tools{display:flex;align-items:center;gap:22px;}
.tool-link{font-size:14px;font-weight:600;color:var(--ink-2);border-bottom:none;}
.tool-link:hover{color:var(--brand);}
.search-mini{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:6px 14px;background:var(--white);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.search-mini:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(201,242,77,.35);}
.search-mini input{border:0;background:transparent;font-size:13.5px;color:var(--ink);width:132px;outline:none;padding:2px 0;}
.search-mini input::placeholder{color:var(--ink-3);}
.search-mini button{border:0;background:transparent;color:var(--brand);font-size:13.5px;font-weight:700;padding:0;}
.hamburger{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--white);align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.hamburger span{display:block;width:18px;height:2px;background:var(--deep);border-radius:2px;}

.channelbar-wrap{border-top:1px solid transparent;}
.channelbar{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;}
.channelbar::-webkit-scrollbar{display:none;}
.channel{position:relative;display:inline-block;padding:13px 0 12px;font-size:14.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;border-bottom:3px solid transparent;}
.channel::after{content:"";position:absolute;left:0;bottom:6px;width:0;height:2px;background:var(--brand);transition:width .24s var(--ease);}
.channel:hover{color:var(--brand);}
.channel:hover::after{width:22px;}
.channel.is-active{color:var(--deep);border-bottom-color:var(--brand);}

.drawer{display:none;position:fixed;inset:0;z-index:90;background:var(--deep);padding:26px 24px 40px;overflow-y:auto;}
.drawer.is-open{display:block;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;}
.drawer-head .logo{color:var(--bg);}
.drawer-close{width:42px;height:42px;border-radius:10px;border:1px solid var(--line-dark);background:transparent;color:var(--bg);font-size:20px;line-height:1;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav a{display:block;padding:18px 0;font-size:24px;font-weight:800;color:var(--bg);border-bottom:1px solid var(--line-dark);border-radius:0;}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--lime);}
.drawer-note{margin-top:28px;font-size:13.5px;color:#98A29C;line-height:1.8;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;border-radius:999px;padding:14px 26px;font-size:15px;font-weight:700;line-height:1;border:1.5px solid transparent;transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);}
.btn .arrow{display:inline-block;transition:transform .22s var(--ease);}
.btn:hover .arrow{transform:translateX(4px);}
.btn--primary{background:var(--lime);color:var(--deep);border-color:var(--lime);}
.btn--primary:hover{background:#d4f96a;color:var(--deep);transform:translateY(-2px);box-shadow:0 14px 30px -18px rgba(18,32,28,.5);}
.btn--ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn--ghost:hover{background:var(--brand);color:var(--bg);transform:translateY(-2px);}
.btn--sm{padding:10px 18px;font-size:13.5px;}
.btn--on-dark{background:transparent;color:var(--bg);border-color:rgba(246,243,236,.55);}
.btn--on-dark:hover{background:var(--bg);color:var(--deep);}

/* ---------- generic section ---------- */
.section{padding:var(--section-y) 0;}
.section--alt{background:var(--white);}
.section--sand{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--clay);margin-bottom:16px;}
.eyebrow::before{content:"";display:inline-block;width:22px;height:1px;background:var(--clay);}
h2{font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.2;letter-spacing:-.015em;color:var(--deep);}
h3{font-size:20px;font-weight:700;line-height:1.4;color:var(--deep);}
.sub{font-size:16.5px;color:var(--ink-2);line-height:1.8;max-width:640px;margin-top:14px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- hero (light) ---------- */
.hero-plain{padding:56px 0 76px;background:var(--bg);border-bottom:1px solid var(--line);position:relative;}
.hero-plain::before{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(220,214,202,.35) 1px,transparent 1px);background-size:96px 100%;opacity:.5;pointer-events:none;}
.hero-plain .container{position:relative;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-bottom:28px;font-family:var(--mono);letter-spacing:.04em;}
.breadcrumb li{display:inline-flex;align-items:center;gap:10px;}
.breadcrumb li+li::before{content:"/";color:var(--line);}
.breadcrumb a{color:var(--ink-2);border-bottom:none;}
.breadcrumb a:hover{color:var(--clay);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:56px;align-items:start;}
.hero-plain h1{font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.16;letter-spacing:-.02em;color:var(--deep);}
.hero-plain h1 em{font-style:normal;color:var(--brand);box-shadow:inset 0 -10px 0 rgba(201,242,77,.55);}
.hero-lead{margin-top:20px;font-size:17px;color:var(--ink-2);line-height:1.85;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:44px;border-top:1px solid var(--line);padding-top:0;}
.stat{padding:22px 20px 0 0;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat .num{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--brand);letter-spacing:-.01em;}
.stat .num small{font-size:13px;font-weight:600;color:var(--ink-3);margin-left:4px;letter-spacing:0;}
.stat .label{font-size:13px;color:var(--ink-3);margin-top:6px;letter-spacing:.04em;}
.hero-figure{position:relative;}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);border:1px solid var(--line);}
.hero-figure .tag-float{position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;background:var(--deep);color:var(--lime);font-family:var(--mono);font-size:12px;letter-spacing:.1em;padding:8px 14px;border-radius:999px;}
.hero-figure figcaption{margin-top:12px;font-size:13px;color:var(--ink-3);}

/* ---------- table ---------- */
.table-shell{position:relative;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--white);overflow:hidden;box-shadow:var(--shadow-1);}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.price-table{width:100%;min-width:820px;border-collapse:collapse;}
.price-table caption{text-align:left;padding:20px 22px;font-size:14px;color:var(--ink-2);background:#FAF8F2;border-bottom:1px solid var(--line);}
.price-table thead th{background:var(--deep);color:var(--bg);font-size:14px;font-weight:700;letter-spacing:.06em;padding:18px 20px;text-align:left;border-right:1px solid var(--line-dark);}
.price-table thead th:last-child{border-right:0;}
.price-table thead th.col-featured{background:var(--brand);color:var(--lime);}
.price-table tbody th{text-align:left;font-weight:600;font-size:14.5px;color:var(--ink);background:#FAF8F2;width:170px;border-right:1px solid var(--line);}
.price-table td{font-size:15px;color:var(--ink-2);}
.price-table td,.price-table tbody th{padding:16px 20px;border-top:1px solid var(--line);vertical-align:top;}
.price-table tbody tr:nth-child(even) td{background:#FBF9F4;}
.price-table td.col-featured{background:rgba(201,242,77,.16);color:var(--ink);font-weight:600;}
.price-table tbody tr:nth-child(even) td.col-featured{background:rgba(201,242,77,.22);}
.price-table .price{font-family:var(--mono);font-size:15.5px;color:var(--deep);font-weight:700;}
.table-fade{display:none;position:absolute;top:0;right:0;bottom:0;width:56px;pointer-events:none;background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.94));}
.table-hint{margin-top:14px;font-size:13px;color:var(--ink-3);font-family:var(--mono);letter-spacing:.04em;}
.table-note{margin-top:18px;font-size:14px;color:var(--ink-2);line-height:1.8;max-width:780px;}

/* ---------- steps ---------- */
.steps{display:grid;gap:0;border-top:1px solid var(--line);}
.step{display:grid;grid-template-columns:96px minmax(0,1fr);gap:28px;padding:30px 0;border-bottom:1px solid var(--line);transition:background .22s var(--ease);}
.step:hover{background:rgba(255,255,255,.6);}
.step .no{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--brand);letter-spacing:-.02em;line-height:1;}
.step .no span{display:block;font-size:11px;font-weight:600;color:var(--ink-3);letter-spacing:.16em;margin-top:8px;}
.step h3{margin-bottom:8px;}
.step p{color:var(--ink-2);font-size:16px;max-width:700px;}

/* ---------- benefit cards ---------- */
.benefit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.benefit-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px 28px;box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);}
.benefit-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFC7B8;}
.benefit-card .badge{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--clay);background:#F3EAE0;border-radius:999px;padding:4px 10px;margin-bottom:16px;}
.benefit-card h3{font-size:19px;margin-bottom:10px;}
.benefit-card p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.benefit-card ul{margin-top:14px;display:grid;gap:8px;}
.benefit-card li{position:relative;padding-left:18px;font-size:14.5px;color:var(--ink-2);}
.benefit-card li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:1px;background:var(--brand);}

/* ---------- band ---------- */
.band{background:var(--deep);color:var(--bg);padding:34px 0;}
.band-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;}
.band p{font-size:16.5px;line-height:1.7;max-width:760px;color:#D8DED9;}
.band strong{color:var(--lime);font-weight:700;}
.band a{color:var(--lime);border-bottom:1px solid rgba(201,242,77,.4);}
.band a:hover{color:#fff;border-bottom-color:#fff;}

/* ---------- faq ---------- */
.faq-list{max-width:880px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 46px 22px 0;position:relative;font-size:17px;font-weight:700;color:var(--deep);line-height:1.6;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:22px;font-weight:400;color:var(--brand);transition:transform .2s var(--ease),color .2s var(--ease);}
.faq-item[open] summary::after{content:"−";color:var(--clay);}
.faq-item summary:hover{color:var(--brand);}
.faq-body{padding:0 0 22px;color:var(--ink-2);font-size:15.5px;line-height:1.85;max-width:760px;}

/* ---------- cta ---------- */
.cta{background:var(--deep);color:var(--bg);padding:84px 0;}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center;}
.cta h2{color:var(--bg);}
.cta p{margin-top:14px;color:#B9C3BD;max-width:560px;font-size:16px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta .link-quiet{display:inline-block;margin-top:22px;font-size:14px;color:#9FB0A8;border-bottom:1px solid rgba(159,176,168,.4);}
.cta .link-quiet:hover{color:var(--lime);border-bottom-color:var(--lime);}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#C3CCC6;padding:72px 0 0;border-top:1px solid var(--line-dark);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand .logo{color:var(--bg);margin-bottom:18px;}
.footer-brand .logo .mark{background:var(--lime);color:var(--deep);}
.footer-brand .logo .sub{color:#8B9990;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:#98A29C;max-width:340px;}
.footer-col h4{font-size:13px;font-weight:600;letter-spacing:.14em;color:#8B9990;font-family:var(--mono);margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14.5px;color:#C3CCC6;border-bottom:none;}
.footer-col a:hover{color:var(--lime);}
.footer-form .field{margin-bottom:12px;}
.footer-form label{display:block;font-size:13px;font-weight:600;color:#98A29C;margin-bottom:8px;}
.footer-form input{width:100%;height:46px;border-radius:var(--radius-sm);border:1px solid var(--line-dark);background:#0D1A16;color:var(--bg);padding:0 14px;font-size:14.5px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.footer-form input::placeholder{color:#6C7A73;}
.footer-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(201,242,77,.2);}
.footer-form .tip{margin-top:12px;font-size:12.5px;color:#7E8B84;line-height:1.7;}
.footer-bottom{border-top:1px solid var(--line-dark);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#7E8B84;}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--section-y:88px;}
  .hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:40px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
  .footer-form{grid-column:1 / -1;max-width:420px;}
}
@media (max-width:1023px){
  :root{--section-y:76px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{max-width:520px;}
  .benefit-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:8px;}
  .stat:nth-child(2){border-right:0;}
  .table-fade{display:block;}
  .cta-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .topbar-inner{min-height:64px;}
  .search-mini{display:none;}
  .tool-link{display:none;}
  .hamburger{display:flex;}
  .step{grid-template-columns:64px minmax(0,1fr);gap:18px;}
  .step .no{font-size:22px;}
  .benefit-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
  .footer-brand p{max-width:none;}
  .band-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:639px){
  :root{--section-y:56px;}
  .container{padding:0 20px;}
  body{font-size:16px;}
  .hero-plain{padding:36px 0 52px;}
  .hero-plain h1{font-size:clamp(28px,7.4vw,38px);}
  .hero-actions .btn{width:100%;justify-content:center;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .stat{padding:18px 14px 0 0;}
  .benefit-card{padding:22px 18px 24px;}
  .step{grid-template-columns:1fr;gap:10px;padding:24px 0;}
  .step .no span{display:inline;margin-left:8px;}
  .faq-item summary{font-size:16px;padding-right:38px;}
  .cta{padding:60px 0;}
  .channelbar{gap:20px;-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 20px,#000 calc(100% - 24px),transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 20px,#000 calc(100% - 24px),transparent 100%);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}