/* roulang page: index */
:root{--bg:#051f14;--surface:#0b2e1e;--surface-2:#103a29;--ink:#f8fafc;--muted:#c2dccd;--soft:#a3a375;--gold:#f6b835;--gold-light:#fcd87b;--line:rgba(246,184,53,.22);--radius:22px;--shadow:0 20px 60px rgba(0,0,0,.23);--section-space:88px}
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:115px}
    body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.65 "Be Vietnam Pro",system-ui,sans-serif;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,border-color .2s ease}
    a:hover{color:var(--gold-light)}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%;height:auto}
    :focus-visible{outline:3px solid var(--gold-light);outline-offset:4px}
    ::selection{background:var(--gold);color:var(--bg)}
    .container{max-width:1200px}
    .skip-link{position:absolute;top:-100px;left:12px;z-index:200;padding:10px 18px;background:var(--gold);color:var(--bg)}
    .skip-link:focus{top:12px;color:var(--bg)}
    .site-header{position:sticky;top:0;z-index:100;background:rgba(5,31,20,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.1)}
    .nav-shell{display:flex;align-items:center;gap:24px;min-height:80px}
    .brand{display:flex;align-items:center;gap:11px;flex-shrink:0;max-width:230px;font-size:15px;font-weight:800;line-height:1.25;letter-spacing:-.04em}
    .brand-mark{width:42px;height:42px;flex:none;display:grid;place-items:center;border:1px solid var(--gold);border-radius:14px;background:linear-gradient(145deg,#ffd776,#956014);color:var(--bg);font-size:23px;box-shadow:0 4px 18px rgba(245,158,11,.24)}
    .brand em{font-style:normal;color:var(--gold-light)}
    .primary-nav{display:flex;align-items:center;justify-content:center;gap:5px;margin:auto}
    .primary-nav a{padding:10px 13px;border-radius:10px;color:var(--muted);font-size:13px;font-weight:600;white-space:nowrap}
    .primary-nav a:hover,.primary-nav a.active{background:rgba(246,184,53,.12);color:var(--gold-light)}
    .nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
    .nav-text{font-size:13px;font-weight:700;padding:9px 5px;color:var(--gold-light)}
    .nav-solid{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#162113!important;border-radius:10px;padding:10px 14px;font-size:13px;font-weight:800;box-shadow:0 7px 22px rgba(245,158,11,.18)}
    .nav-solid:hover,.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(245,158,11,.28)}
    main{overflow:hidden}
    .hero{position:relative;isolation:isolate;min-height:620px;display:flex;align-items:center;padding:105px 0 95px;background:#10351f url('/assets/images/e95a3617013e9a5a.jpg') center 43%/cover no-repeat}
    .hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(3,22,14,.96) 0%,rgba(5,31,20,.86) 43%,rgba(5,31,20,.31) 100%),linear-gradient(0deg,#051f14,transparent 35%)}
    .hero-content{max-width:790px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow::before,.section-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(245,158,11,.12)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(2.4rem,5.4vw,5rem);letter-spacing:-.065em;line-height:1.14;font-weight:800;margin:20px 0 25px;text-wrap:balance}
    h1 span,.accent{color:var(--gold-light)}
    .hero p{color:#e5eee7;max-width:720px;font-size:16px;line-height:1.7}
    .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:29px}
    .btn-gold,.btn-outline-gold{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 21px;border-radius:12px;font-weight:800;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
    .btn-gold{border:1px solid var(--gold-light);background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#13241a}
    .btn-gold:hover{color:#13241a}
    .btn-outline-gold{border:1px solid rgba(252,216,123,.55);background:rgba(7,33,22,.65);color:var(--gold-light)}
    .btn-outline-gold:hover{background:rgba(252,216,123,.12)}
    .hero-footnote{margin-top:26px!important;font-size:12px!important;color:#d0dfd3!important}
    .section{padding:var(--section-space) 0;border-bottom:1px solid rgba(255,255,255,.055)}
    .section-alt{background:#082719}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:31px}
    .section-head>div{max-width:770px}
    .section h2{font-size:clamp(1.75rem,3.3vw,2.75rem);font-weight:800;letter-spacing:-.045em;line-height:1.22;margin:11px 0 14px}
    .section-lead{color:var(--muted);margin:0;max-width:790px}
    .text-link{display:inline-flex;align-items:center;gap:8px;color:var(--gold-light);font-weight:700;font-size:14px;white-space:nowrap}
    .text-link:hover{transform:translateX(4px)}
    .search-section{position:relative;margin-top:-37px;padding:0 0 63px;z-index:2}
    .search-panel{padding:25px 29px;border-radius:var(--radius);border:1px solid var(--line);background:#103724;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr minmax(270px,470px);gap:24px;align-items:center}
    .search-panel strong{display:block;font-size:18px}
    .search-panel p{margin:3px 0 0;color:var(--muted);font-size:13px}
    .search-form{display:flex;gap:8px}
    .search-input{width:100%;min-width:0;padding:12px 15px;border-radius:11px;border:1px solid rgba(252,216,123,.33);outline:0;color:var(--ink);background:#082719}
    .search-input::placeholder{color:#9cb5a5}
    .search-input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(245,158,11,.13)}
    .search-form button{white-space:nowrap;border:0;border-radius:11px;background:var(--gold);color:#13241a;font-weight:800;padding:10px 19px}
    .search-form button:hover{background:var(--gold-light)}
    .topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}
    .topic-card{position:relative;min-height:215px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(140deg,#153b28,#09271b);overflow:hidden}
    .topic-card::after{content:"";position:absolute;right:-33px;bottom:-55px;width:155px;height:155px;border:1px solid rgba(252,216,123,.17);border-radius:50%;box-shadow:0 0 0 27px rgba(252,216,123,.035)}
    .topic-card:hover{transform:translateY(-4px);border-color:rgba(252,216,123,.65);box-shadow:var(--shadow)}
    .topic-number{color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.15em}
    .topic-card h3{position:relative;z-index:1;margin:21px 0 9px;font-size:21px;font-weight:800}
    .topic-card p{position:relative;z-index:1;color:var(--muted);font-size:13px;margin:0;max-width:280px}
    .feature-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:28px;align-items:stretch}
    .feature-visual{position:relative;min-height:425px;overflow:hidden;border-radius:var(--radius);background:#13412c}
    .feature-visual img{width:100%;height:100%;object-fit:cover}
    .feature-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(2,22,13,.95),transparent 55%)}
    .visual-caption{position:absolute;z-index:1;bottom:25px;left:27px;right:27px}
    .visual-caption span{display:inline-block;color:var(--gold-light);font-size:12px;font-weight:800;margin-bottom:7px}
    .visual-caption strong{display:block;font-size:24px;line-height:1.25;max-width:420px}
    .feature-copy{display:flex;flex-direction:column;justify-content:center}
    .feature-copy h2{margin-top:12px}
    .line-list{padding:0;margin:22px 0 0;list-style:none}
    .line-list li{padding:15px 0;border-top:1px solid var(--line);color:var(--muted)}
    .line-list strong{display:block;color:var(--ink);font-size:15px;margin-bottom:3px}
    .feed-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px}
    .post-card{display:flex;flex-direction:column;min-width:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:25px;transition:transform .2s,border-color .2s,box-shadow .2s}
    .post-card:hover{transform:translateY(-4px);border-color:rgba(252,216,123,.57);box-shadow:var(--shadow)}
    .post-card h3{font-size:19px;line-height:1.4;font-weight:800;margin:14px 0 10px;overflow-wrap:anywhere}
    .post-card p{color:var(--muted);font-size:13px;margin-bottom:20px;overflow-wrap:anywhere}
    .post-meta{display:flex;justify-content:space-between;gap:9px;flex-wrap:wrap;font-size:12px;color:var(--gold-light)}
    .post-card .text-link{margin-top:auto}
    .empty-state{padding:28px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted)}
    .update-list{border-top:1px solid var(--line)}
    .update-row{display:grid;grid-template-columns:110px 1fr auto;gap:23px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
    .update-row time{color:var(--gold-light);font-size:12px}
    .update-row h3{font-size:17px;font-weight:700;line-height:1.4;margin:0 0 5px;overflow-wrap:anywhere}
    .update-row p{font-size:13px;color:var(--muted);margin:0;overflow-wrap:anywhere}
    .rank-layout{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}
    .rank-list{list-style:none;padding:0;margin:0;counter-reset:rank}
    .rank-list li{counter-increment:rank;display:grid;grid-template-columns:50px 1fr;gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}
    .rank-list li::before{content:"0" counter(rank);color:var(--gold-light);font-weight:800;font-size:22px}
    .rank-list strong{display:block;font-size:16px}
    .rank-list span{display:block;color:var(--muted);font-size:13px;margin-top:4px}
    .rank-note{border-radius:var(--radius);border:1px solid var(--line);padding:32px;background:radial-gradient(circle at 100% 0%,rgba(245,158,11,.15),transparent 55%),#113726}
    .rank-note .big-number{font-size:clamp(2.8rem,6vw,5rem);font-weight:800;letter-spacing:-.07em;line-height:1;color:var(--gold-light)}
    .rank-note p{color:var(--muted);margin:17px 0 0}
    .resource-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}
    .resource-item{padding-top:20px;border-top:2px solid var(--gold)}
    .resource-item .mini-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:rgba(245,158,11,.14);color:var(--gold-light);font-size:21px}
    .resource-item h3{font-size:18px;font-weight:800;margin:17px 0 8px}
    .resource-item p{color:var(--muted);font-size:13px;margin:0}
    .news-split{display:grid;grid-template-columns:260px 1fr;gap:42px}
    .news-split .section-head{display:block;margin:0}
    .news-list{display:grid;gap:11px}
    .news-item{display:block;padding:19px 21px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.025)}
    .news-item:hover{border-color:var(--gold);background:rgba(245,158,11,.07)}
    .news-item h3{margin:6px 0;font-size:17px;line-height:1.4;font-weight:700;overflow-wrap:anywhere}
    .news-item p{margin:0;color:var(--muted);font-size:13px;overflow-wrap:anywhere}
    .news-item small{color:var(--gold-light)}
    .save-band{display:grid;grid-template-columns:1.1fr .9fr;gap:35px;align-items:center;padding:37px;border-radius:var(--radius);background:linear-gradient(115deg,#164b31,#0c2d21);border:1px solid var(--line)}
    .save-band h2{margin-bottom:12px}
    .save-band .section-lead{font-size:14px}
    .share-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
    .share-actions button{min-height:46px;border:1px solid rgba(252,216,123,.47);border-radius:12px;background:#0b2e1e;color:var(--gold-light);padding:10px 16px;font-weight:700}
    .share-actions button:hover,.share-actions button:active{background:rgba(252,216,123,.13)}
    .share-feedback{min-height:22px;color:var(--gold-light);font-size:12px;margin-top:12px}
    .showcase{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
    .showcase-image{border-radius:var(--radius);overflow:hidden;min-height:350px;border:1px solid var(--line)}
    .showcase-image img{width:100%;height:100%;min-height:350px;object-fit:cover}
    .showcase-copy p{color:var(--muted)}
    .pill-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:23px}
    .pill{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(245,158,11,.08);color:var(--gold-light);font-size:12px;font-weight:700}
    .timing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px}
    .timing-item{padding:22px 0;border-top:1px solid var(--line)}
    .timing-item h3{font-size:16px;font-weight:800;line-height:1.45}
    .timing-item p{font-size:13px;color:var(--muted);margin:0}
    .payment-panel{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
    .payment-methods{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px}
    .payment-methods span{padding:10px 14px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--gold-light);font-weight:700;font-size:13px}
    .payment-figure{position:relative;min-height:300px;border-radius:var(--radius);overflow:hidden}
    .payment-figure img{width:100%;height:300px;object-fit:cover}
    .payment-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,31,20,.62),transparent)}
    .caution{background:#123320;border-block:1px solid rgba(252,216,123,.25)}
    .caution-grid{display:grid;grid-template-columns:220px 1fr;gap:38px;align-items:start}
    .caution h2{margin-top:0}
    .caution p{color:var(--muted)}
    .caution ul{margin:17px 0 0;padding-left:20px;color:var(--muted)}
    .caution li+li{margin-top:7px}
    .closing{text-align:center;background:radial-gradient(ellipse at 50% 130%,rgba(245,158,11,.2),transparent 65%),var(--bg)}
    .closing .container{max-width:780px}
    .closing h2{margin:13px 0}
    .closing p{color:var(--muted);margin-bottom:25px}
    .site-footer{background:#04180f;padding:55px 0 26px;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:50px}
    .footer-brand{display:inline-flex;align-items:center;gap:11px;font-size:17px;font-weight:800;color:var(--ink)}
    .footer-brand:hover{color:var(--gold-light)}
    .footer-grid p{max-width:580px;color:var(--muted);font-size:13px;margin:15px 0 0}
    .footer-details{border-left:1px solid var(--line);padding-left:29px}
    .footer-details strong{color:var(--gold-light);font-size:14px}
    .footer-bottom{border-top:1px solid var(--line);margin-top:34px;padding-top:20px;color:#a9c3b2;font-size:12px;display:flex;justify-content:space-between;gap:18px}
    .fab{position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;display:grid;place-items:center;border:2px solid #f59e0b;border-radius:50%;background:radial-gradient(circle at 30% 25%,#ffdf85,#ad711b 52%,#382709 85%);color:#102316;font-size:25px;opacity:.85;box-shadow:0 6px 25px rgba(245,158,11,.35),inset 0 2px 4px rgba(255,255,255,.45);animation:float 3.5s ease-in-out infinite}
    .fab::after{content:"";position:absolute;top:1px;right:0;width:13px;height:13px;background:#dc2626;border-radius:50%;border:2px solid white}
    .fab:hover{opacity:1;transform:scale(1.1);color:#102316;animation:none}
    .fab:hover span{transform:rotate(360deg)}
    .fab span{transition:transform .5s}
    .fab:active{transform:translateY(4px) scale(.95)}
    @keyframes float{50%{translate:0 -5px}}
    @media(max-width:1100px){.nav-shell{gap:12px}.primary-nav a{padding:9px 8px;font-size:12px}.brand{max-width:185px;font-size:13px}.nav-actions{gap:4px}}
    @media(max-width:900px){:root{--section-space:68px}.nav-shell{min-height:70px;flex-wrap:wrap;padding-top:10px;padding-bottom:9px}.brand{max-width:none;margin-right:auto}.primary-nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;scrollbar-width:thin;padding-bottom:2px;margin:0}.primary-nav a{font-size:13px}.hero{min-height:600px}.topic-grid,.feed-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.news-split{grid-template-columns:1fr;gap:23px}.section-head{align-items:start}}
    @media(max-width:767px){.hero{min-height:570px;padding:90px 0 75px}.hero::before{background:linear-gradient(90deg,rgba(3,22,14,.96),rgba(5,31,20,.68)),linear-gradient(0deg,#051f14,transparent 42%)}.search-panel,.feature-layout,.rank-layout,.save-band,.showcase,.payment-panel,.caution-grid,.footer-grid{grid-template-columns:1fr}.search-panel{gap:18px}.feature-visual{min-height:330px}.feature-copy{padding-top:9px}.resource-row,.timing-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.share-actions{justify-content:flex-start}.footer-details{padding-left:0;border-left:0}.section-head{flex-direction:column;gap:12px}}
    @media(max-width:520px){:root{--section-space:55px}body{font-size:14px}.container{padding-left:19px;padding-right:19px}.nav-shell{column-gap:7px}.brand{font-size:12px;max-width:155px}.brand-mark{width:36px;height:36px;font-size:19px}.nav-text,.nav-solid{font-size:11px;padding:8px}.nav-actions{gap:4px}.hero{min-height:615px;padding:64px 0 67px}.hero h1{font-size:clamp(2rem,9vw,2.7rem);overflow-wrap:anywhere}.hero p{font-size:14px}.hero-actions{align-items:stretch}.hero-actions a{flex:1}.search-section{margin-top:-23px;padding-bottom:35px}.search-panel{padding:20px}.search-form{flex-direction:column}.topic-grid,.feed-grid,.resource-row,.timing-grid{grid-template-columns:1fr}.topic-card{min-height:185px}.section h2{font-size:1.7rem}.update-row{grid-template-columns:1fr auto;gap:8px}.update-row time{grid-column:1/-1}.update-row h3{font-size:15px}.visual-caption strong{font-size:19px}.rank-note,.save-band{padding:24px}.footer-bottom{flex-direction:column}.fab{bottom:90px;left:12px;width:52px;height:52px}}
    @media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* roulang page: article */
:root{--bg:#051f14;--surface:#0b2e1e;--surface-2:#103a29;--ink:#f8fafc;--muted:#c2dccd;--soft:#a3a375;--gold:#f6b835;--gold-light:#fcd87b;--line:rgba(246,184,53,.22);--radius:22px;--shadow:0 20px 60px rgba(0,0,0,.23);--section-space:88px}
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:115px}
    body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.65 "Be Vietnam Pro",system-ui,sans-serif;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease}
    a:hover{color:var(--gold-light)}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold-light);outline-offset:4px}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%;height:auto}
    p{line-height:1.65}
    .container{max-width:1200px}
    .site-header{position:sticky;top:0;z-index:100;background:rgba(5,31,20,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.1)}
    .nav-shell{display:flex;align-items:center;gap:24px;min-height:80px}
    .brand{display:flex;align-items:center;gap:11px;flex-shrink:0;max-width:230px;font-size:15px;font-weight:800;line-height:1.25;letter-spacing:-.04em}
    .brand-mark{width:42px;height:42px;flex:none;display:grid;place-items:center;border:1px solid var(--gold);border-radius:14px;background:linear-gradient(145deg,#ffd776,#956014);color:var(--bg);font-size:23px;box-shadow:0 4px 18px rgba(245,158,11,.24)}
    .brand em{font-style:normal;color:var(--gold-light)}
    .primary-nav{display:flex;align-items:center;justify-content:center;gap:5px;margin:auto}
    .primary-nav a{padding:10px 13px;border-radius:10px;color:var(--muted);font-size:13px;font-weight:600;white-space:nowrap}
    .primary-nav a:hover,.primary-nav a.active{background:rgba(246,184,53,.12);color:var(--gold-light)}
    .nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
    .nav-text{font-size:13px;font-weight:700;padding:9px 5px;color:var(--gold-light);white-space:nowrap}
    .nav-solid{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#162113!important;border-radius:10px;padding:10px 14px;font-size:13px;font-weight:800;box-shadow:0 7px 22px rgba(245,158,11,.18);white-space:nowrap}
    .nav-solid:hover,.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(245,158,11,.28)}
    main{overflow:hidden}
    .section{padding:var(--section-space) 0;border-bottom:1px solid rgba(255,255,255,.055)}
    .section-alt{background:#082719}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow::before,.section-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(245,158,11,.12)}
    .section h2{font-size:clamp(1.75rem,3.3vw,2.75rem);font-weight:800;letter-spacing:-.045em;line-height:1.22;margin:11px 0 14px}
    .section-lead{color:var(--muted);margin:0;max-width:790px}
    .text-link{display:inline-flex;align-items:center;gap:8px;color:var(--gold-light);font-weight:700;font-size:14px}
    .text-link:hover{transform:translateX(4px)}
    .btn-gold,.btn-outline-gold{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 21px;border-radius:12px;font-weight:800;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
    .btn-gold{border:1px solid var(--gold-light);background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#13241a}
    .btn-gold:hover{color:#13241a}
    .btn-outline-gold{border:1px solid rgba(252,216,123,.55);background:rgba(7,33,22,.65);color:var(--gold-light)}
    .btn-outline-gold:hover{background:rgba(252,216,123,.12)}
    .article-hero{position:relative;isolation:isolate;padding:82px 0 74px;background:#10351f url('/assets/images/e95a3617013e9a5a.jpg') center/cover no-repeat}
    .article-hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(3,22,14,.97),rgba(5,31,20,.89) 58%,rgba(5,31,20,.54)),linear-gradient(0deg,var(--bg),transparent 42%)}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(260px,.6fr);gap:48px;align-items:end}
    .article-hero h1{max-width:790px;margin:18px 0 19px;font-size:clamp(2.2rem,5vw,4.2rem);font-weight:800;letter-spacing:-.055em;line-height:1.19;overflow-wrap:anywhere}
    .hero-summary{max-width:720px;color:#e5eee7;margin:0;font-size:16px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-side{border-left:2px solid var(--gold);padding:7px 0 8px 23px;background:linear-gradient(90deg,rgba(11,46,30,.4),transparent)}
    .hero-side strong{display:block;font-size:18px;line-height:1.4}
    .hero-side p{color:var(--muted);font-size:13px;margin:9px 0 0}
    .summary-band{padding:25px 0;background:#0b2e1e;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:23px}
    .summary-item{padding-left:20px;border-left:1px solid rgba(252,216,123,.32)}
    .summary-item:first-child{padding-left:0;border:0}
    .summary-item strong{display:block;color:var(--gold-light);font-size:20px;font-weight:800;line-height:1.3}
    .summary-item span{display:block;color:var(--muted);font-size:12px;margin-top:5px}
    .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:64px;align-items:start}
    .article-intro{max-width:800px;margin-bottom:30px}
    .article-intro p{color:var(--muted);margin-bottom:0}
    .article-body{min-width:0;color:#e1eee5;font-size:16px;line-height:1.7;overflow-wrap:anywhere}
    .article-body :is(h2,h3,h4){color:var(--ink);font-weight:800;letter-spacing:-.035em;line-height:1.3;margin:1.7em 0 .6em}
    .article-body h2{font-size:clamp(1.5rem,2.5vw,2rem)}
    .article-body h3{font-size:1.35rem}
    .article-body p,.article-body ul,.article-body ol{margin:0 0 1.35em}
    .article-body ul,.article-body ol{padding-left:1.4em}
    .article-body li{padding-left:.2em;margin-bottom:.45em}
    .article-body a{color:var(--gold-light);text-decoration:underline;text-underline-offset:4px}
    .article-body img{height:auto;border-radius:16px;margin:25px 0}
    .article-body blockquote{margin:26px 0;padding:15px 22px;border-left:3px solid var(--gold);background:var(--surface);border-radius:0 12px 12px 0}
    .article-body table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:20px 0}
    .article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px}
    .article-body>:first-child{margin-top:0}
    .article-aside{position:sticky;top:112px;border-top:2px solid var(--gold);padding-top:19px}
    .article-aside strong{display:block;font-size:17px;margin-bottom:11px}
    .article-aside p{color:var(--muted);font-size:13px}
    .aside-divider{height:1px;background:var(--line);margin:21px 0}
    .feature-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:38px;align-items:center}
    .feature-visual{position:relative;min-height:360px;overflow:hidden;border-radius:var(--radius);background:#13412c;box-shadow:var(--shadow)}
    .feature-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
    .feature-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(2,22,13,.84),transparent 60%)}
    .visual-caption{position:absolute;z-index:1;bottom:22px;left:24px;right:24px;font-size:14px;font-weight:700}
    .feature-copy h2{margin-top:12px}
    .line-list{padding:0;margin:23px 0 0;list-style:none}
    .line-list li{padding:14px 0;border-top:1px solid var(--line);color:var(--muted)}
    .line-list strong{color:var(--ink)}
    .channel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:25px}
    .channel{padding:19px 17px;border:1px solid var(--line);border-radius:15px;background:var(--surface);font-weight:700;font-size:14px}
    .channel span{display:block;margin-top:5px;color:var(--muted);font-size:12px;font-weight:400}
    .topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px;margin-top:29px}
    .topic-card{position:relative;min-height:190px;padding:25px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(140deg,#153b28,#09271b);overflow:hidden}
    .topic-card::after{content:"";position:absolute;right:-33px;bottom:-55px;width:155px;height:155px;border:1px solid rgba(252,216,123,.17);border-radius:50%;box-shadow:0 0 0 27px rgba(252,216,123,.035)}
    .topic-card:hover{transform:translateY(-4px);border-color:rgba(252,216,123,.65);box-shadow:var(--shadow)}
    .topic-card h3{position:relative;z-index:1;margin:17px 0 9px;font-size:21px;font-weight:800}
    .topic-card p{position:relative;z-index:1;color:var(--muted);font-size:13px;margin:0;max-width:280px}
    .topic-number{color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.1em}
    .notice-layout{display:grid;grid-template-columns:minmax(220px,.65fr) minmax(0,1.35fr);gap:48px;align-items:start}
    .notice-copy{padding:24px 28px;border-left:2px solid var(--gold);background:rgba(252,216,123,.055);border-radius:0 16px 16px 0}
    .notice-copy p{color:var(--muted);margin:0 0 13px}
    .notice-copy p:last-child{margin-bottom:0}
    .closing{padding:70px 0;background:linear-gradient(125deg,#103a29,#082719);border-bottom:1px solid var(--line)}
    .closing-inner{display:flex;justify-content:space-between;align-items:center;gap:34px}
    .closing h2{font-size:clamp(1.75rem,3vw,2.6rem);line-height:1.24;letter-spacing:-.04em;font-weight:800;margin:10px 0}
    .closing p{color:var(--muted);max-width:680px;margin:0}
    .closing-actions{display:flex;gap:10px;flex-wrap:wrap;flex-shrink:0}
    .site-footer{padding:56px 0 21px;background:#03170f;color:var(--muted)}
    .footer-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(220px,.7fr);gap:70px;padding-bottom:41px}
    .footer-grid p{max-width:610px;font-size:13px;margin:14px 0 0}
    .footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:19px}
    .footer-brand:hover{color:var(--gold-light)}
    .footer-details{border-left:1px solid var(--line);padding-left:27px}
    .footer-details strong{color:var(--gold-light);font-size:14px}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;padding-top:19px;border-top:1px solid var(--line);font-size:12px}
    .treasure-fab{position:fixed;left:16px;bottom:96px;z-index:50;display:grid;place-items:center;width:56px;height:56px;border:2px solid var(--gold);border-radius:50%;background:radial-gradient(circle at 30% 22%,#fcd87b 0%,#b67a1d 22%,#102819 75%);box-shadow:0 6px 25px rgba(245,158,11,.35);font-size:24px;opacity:.85;animation:float 3.5s ease-in-out infinite}
    .treasure-fab::after{content:"";position:absolute;top:1px;right:1px;width:13px;height:13px;background:#dc2626;border:2px solid #fff;border-radius:50%}
    .treasure-fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 10px 30px rgba(245,158,11,.48);animation:none}
    .treasure-fab:hover span{transform:rotate(360deg)}
    .treasure-fab span{transition:transform .45s}
    .treasure-fab:active{transform:scale(.95) translateY(4px)}
    @keyframes float{50%{translate:0 -5px}}
    @media(max-width:1024px){
      :root{--section-space:68px}
      .nav-shell{gap:12px}
      .brand{max-width:175px;font-size:13px}
      .primary-nav a{padding:9px 8px;font-size:12px}
      .nav-actions{gap:4px}
      .article-layout{gap:34px;grid-template-columns:minmax(0,1fr) 210px}
    }
    @media(max-width:768px){
      :root{--section-space:55px}
      .nav-shell{min-height:72px;flex-wrap:wrap;padding-top:10px;padding-bottom:8px;gap:8px}
      .brand{max-width:none;margin-right:auto}
      .primary-nav{order:3;flex-basis:100%;justify-content:flex-start;overflow-x:auto;scrollbar-width:none;margin:0;padding-bottom:3px}
      .primary-nav::-webkit-scrollbar{display:none}
      .primary-nav a{font-size:12px}
      .nav-actions{margin-left:auto}
      .hero-grid{grid-template-columns:1fr;gap:29px}
      .article-hero{padding:65px 0 58px}
      .hero-side{max-width:520px}
      .article-layout{grid-template-columns:1fr}
      .article-aside{position:static;max-width:620px}
      .feature-layout{grid-template-columns:1fr}
      .feature-visual{min-height:310px}
      .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .notice-layout{grid-template-columns:1fr;gap:14px}
      .closing-inner{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:520px){
      .container{padding-left:19px;padding-right:19px}
      .brand{font-size:12px}
      .brand-mark{width:36px;height:36px;border-radius:11px;font-size:19px}
      .nav-text{font-size:11px;padding:7px 2px}
      .nav-solid{font-size:11px;padding:8px 10px}
      .article-hero h1{font-size:clamp(2rem,9vw,2.7rem)}
      .hero-summary{font-size:14px}
      .hero-actions .btn-gold,.hero-actions .btn-outline-gold{width:100%}
      .summary-grid{grid-template-columns:1fr;gap:16px}
      .summary-item,.summary-item:first-child{border-left:1px solid rgba(252,216,123,.32);padding-left:15px}
      .topic-grid{grid-template-columns:1fr}
      .channel-grid{gap:9px}
      .channel{padding:15px 12px;font-size:13px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .footer-details{padding-left:18px}
      .footer-bottom{flex-direction:column}
      .treasure-fab{left:16px;bottom:96px}
    }
    @media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* roulang page: category1 */
:root{--bg:#051f14;--surface:#0b2e1e;--surface-2:#103a29;--ink:#f8fafc;--muted:#c2dccd;--soft:#a3a375;--gold:#f6b835;--gold-light:#fcd87b;--line:rgba(246,184,53,.22);--radius:22px;--shadow:0 20px 60px rgba(0,0,0,.23);--section-space:88px}
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:120px}
    body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.65 "Be Vietnam Pro",system-ui,sans-serif;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease}
    a:hover{color:var(--gold-light)}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold-light);outline-offset:4px}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%;height:auto}
    p{line-height:1.65}
    .container{max-width:1200px}
    .site-header{position:sticky;top:0;z-index:100;background:rgba(5,31,20,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.1)}
    .nav-shell{display:flex;align-items:center;gap:24px;min-height:80px}
    .brand{display:flex;align-items:center;gap:11px;flex-shrink:0;max-width:230px;font-size:15px;font-weight:800;line-height:1.25;letter-spacing:-.04em}
    .brand-mark{width:42px;height:42px;flex:none;display:grid;place-items:center;border:1px solid var(--gold);border-radius:14px;background:linear-gradient(145deg,#ffd776,#956014);color:var(--bg);font-size:23px;box-shadow:0 4px 18px rgba(245,158,11,.24)}
    .brand em{font-style:normal;color:var(--gold-light)}
    .primary-nav{display:flex;align-items:center;justify-content:center;gap:5px;margin:auto}
    .primary-nav a{padding:10px 13px;border-radius:10px;color:var(--muted);font-size:13px;font-weight:600;white-space:nowrap}
    .primary-nav a:hover,.primary-nav a.active{background:rgba(246,184,53,.12);color:var(--gold-light)}
    .nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
    .nav-text{font-size:13px;font-weight:700;padding:9px 5px;color:var(--gold-light);white-space:nowrap}
    .nav-solid{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#162113!important;border-radius:10px;padding:10px 14px;font-size:13px;font-weight:800;box-shadow:0 7px 22px rgba(245,158,11,.18);white-space:nowrap}
    .nav-solid:hover,.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(245,158,11,.28)}
    main{overflow:hidden}
    .hero{position:relative;isolation:isolate;display:flex;align-items:center;min-height:590px;padding:100px 0 105px;background:#10351f url('/assets/images/e95a3617013e9a5a.jpg') center/cover no-repeat}
    .hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(3,22,14,.97),rgba(5,31,20,.86) 55%,rgba(5,31,20,.46)),linear-gradient(0deg,#051f14,transparent 32%)}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow::before,.section-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(245,158,11,.12)}
    h1{font-size:clamp(2.35rem,5vw,4.75rem);line-height:1.12;letter-spacing:-.055em;font-weight:800;max-width:760px;margin:20px 0}
    h1 span{color:var(--gold-light)}
    .hero p{color:#e5eee7;max-width:660px;font-size:16px}
    .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:29px}
    .btn-gold,.btn-outline-gold{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 21px;border-radius:12px;font-weight:800;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
    .btn-gold{border:1px solid var(--gold-light);background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#13241a}
    .btn-gold:hover{color:#13241a}
    .btn-outline-gold{border:1px solid rgba(252,216,123,.55);background:rgba(7,33,22,.65);color:var(--gold-light)}
    .btn-outline-gold:hover{background:rgba(252,216,123,.12)}
    .hero-footnote{margin-top:25px;color:#d0dfd3!important;font-size:12px!important}
    .preview-panel{padding:29px;border:1px solid rgba(252,216,123,.33);border-radius:28px;background:linear-gradient(150deg,rgba(19,63,40,.96),rgba(6,34,21,.96));box-shadow:var(--shadow)}
    .preview-top{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px;font-weight:700}
    .pill{display:inline-flex;align-items:center;gap:7px;padding:6px 11px;border:1px solid var(--line);border-radius:999px;color:var(--gold-light);background:rgba(246,184,53,.09);font-size:11px;font-weight:800;white-space:nowrap}
    .progress-ring{width:166px;height:166px;margin:23px auto;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--gold-light) 0 75%,rgba(252,216,123,.14) 75% 100%);box-shadow:0 0 45px rgba(246,184,53,.11)}
    .ring-core{width:138px;height:138px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0a2b1d}
    .ring-core strong{font-size:38px;letter-spacing:-.07em;line-height:1}
    .ring-core small{font-size:11px;color:var(--muted);margin-top:8px}
    .preview-panel h2{font-size:19px;font-weight:800;margin:0 0 5px}
    .preview-panel>p{font-size:12px;color:var(--muted);margin:0}
    .tier-list{display:grid;gap:0;margin:18px 0 0;padding:0;list-style:none}
    .tier-list li{display:flex;justify-content:space-between;gap:10px;padding:11px 0;border-top:1px solid rgba(252,216,123,.15);font-size:12px}
    .tier-list span:last-child{color:var(--gold-light);font-weight:700;text-align:right}
    .section{padding:var(--section-space) 0;border-bottom:1px solid rgba(255,255,255,.055)}
    .section-alt{background:#082719}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:31px}
    .section-head>div{max-width:770px}
    .section h2{font-size:clamp(1.75rem,3.3vw,2.75rem);font-weight:800;letter-spacing:-.045em;line-height:1.22;margin:11px 0 14px}
    .section-lead{color:var(--muted);margin:0;max-width:790px}
    .text-link{display:inline-flex;align-items:center;gap:8px;color:var(--gold-light);font-weight:700;font-size:14px;white-space:nowrap}
    .text-link:hover{transform:translateX(4px)}
    .metric-strip{position:relative;margin-top:-47px;z-index:2;padding-bottom:22px}
    .metric-box{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;padding:22px 8px;border:1px solid var(--line);border-radius:var(--radius);background:#103724;box-shadow:var(--shadow)}
    .metric{padding:8px 24px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:clamp(1.35rem,2.4vw,2rem);color:var(--gold-light);line-height:1.25}
    .metric span{display:block;color:var(--muted);font-size:12px;margin-top:5px}
    .insight-grid{display:grid;grid-template-columns:1.18fr 1fr 1fr;gap:17px}
    .insight-card{min-height:240px;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,#123b28,#09271b);transition:transform .2s,border-color .2s,box-shadow .2s}
    .insight-card:hover,.scenario-card:hover{transform:translateY(-4px);border-color:rgba(252,216,123,.58);box-shadow:var(--shadow)}
    .insight-card:first-child{background:linear-gradient(145deg,#22472c,#0c2e20)}
    .card-index{font-size:12px;font-weight:800;color:var(--gold-light)}
    .insight-card h3,.scenario-card h3{font-size:19px;font-weight:800;margin:38px 0 10px}
    .insight-card p,.scenario-card p{color:var(--muted);font-size:13px;margin:0}
    .scenario-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px;align-items:start}
    .scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .scenario-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);transition:transform .2s,border-color .2s,box-shadow .2s}
    .scenario-card h3{margin:16px 0 8px}
    .scenario-card .symbol{font-size:25px;line-height:1}
    .feature-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:42px;align-items:center}
    .feature-visual{position:relative;min-height:420px;overflow:hidden;border-radius:var(--radius);background:var(--surface-2)}
    .feature-visual img{width:100%;height:100%;min-height:420px;object-fit:cover}
    .feature-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(2,22,13,.88),transparent 60%)}
    .visual-label{position:absolute;z-index:1;left:25px;bottom:22px;right:25px;color:#fff;font-size:13px;font-weight:700}
    .line-list{padding:0;margin:24px 0 0;list-style:none}
    .line-list li{position:relative;padding:14px 0 14px 27px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
    .line-list li::before{content:"◆";position:absolute;left:0;top:15px;color:var(--gold);font-size:11px}
    .line-list strong{color:var(--ink)}
    .steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
    .step{padding:25px 0 0;border-top:2px solid var(--line)}
    .step-number{font-size:13px;color:var(--gold-light);font-weight:800}
    .step h3{font-size:19px;font-weight:800;margin:15px 0 9px}
    .step p{color:var(--muted);font-size:14px;margin:0}
    .notice-layout{display:grid;grid-template-columns:1fr .92fr;gap:45px;align-items:center}
    .notice-art{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:#143e2b}
    .notice-art img{width:100%;max-height:360px;object-fit:cover}
    .notice-points{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
    .notice-points span{padding:7px 12px;border:1px solid var(--line);border-radius:999px;color:var(--gold-light);font-size:12px;font-weight:700}
    .payment-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
    .payment-row span{padding:9px 12px;border-radius:9px;border:1px solid rgba(252,216,123,.26);background:#103a29;font-size:12px;font-weight:700}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:first-child{border-top:1px solid var(--line)}
    .faq-item summary{list-style:none;cursor:pointer;padding:20px 28px 20px 0;font-size:15px;font-weight:700;position:relative}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{content:"+";position:absolute;right:0;top:17px;color:var(--gold-light);font-size:23px;line-height:1}
    .faq-item[open] summary::after{content:"−"}
    .faq-item p{color:var(--muted);font-size:14px;margin:0;padding:0 25px 20px 0}
    .update-bar{display:flex;justify-content:space-between;align-items:center;gap:30px;padding:30px 36px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(110deg,#143e2b,#0b2e1e)}
    .update-bar h2{font-size:23px;margin:10px 0 6px}
    .update-bar p{margin:0;color:var(--muted);font-size:14px;max-width:700px}
    .cta-section{padding:75px 0 85px;background:radial-gradient(circle at 85% 10%,rgba(246,184,53,.12),transparent 36%),#051f14}
    .cta-box{max-width:890px;margin:auto;text-align:center}
    .cta-box h2{font-size:clamp(1.85rem,3.8vw,3.1rem);font-weight:800;letter-spacing:-.045em;line-height:1.22;margin:13px 0}
    .cta-box p{color:var(--muted);max-width:670px;margin:0 auto 24px}
    .site-footer{padding:55px 0 24px;background:#03170f;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:70px}
    .footer-brand{display:inline-flex;align-items:center;gap:11px;font-size:18px;font-weight:800}
    .footer-grid p{color:var(--muted);font-size:13px;max-width:560px;margin:17px 0 0}
    .footer-details strong{color:var(--gold-light);font-size:14px}
    .footer-details p{margin-top:10px}
    .footer-bottom{display:flex;justify-content:space-between;gap:16px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);color:#aabfae;font-size:12px}
    .fab{position:fixed;left:16px;bottom:96px;z-index:50;display:grid;place-items:center;width:56px;height:56px;border:2px solid var(--gold);border-radius:50%;background:radial-gradient(circle at 30% 25%,#ffe3a0,#b87a1c 42%,#11301f 45%,#072217 75%);box-shadow:0 6px 25px rgba(245,158,11,.35),inset 0 2px 4px rgba(255,255,255,.35);color:var(--gold-light);font-size:27px;opacity:.86;animation:float 3.8s ease-in-out infinite}
    .fab::after{content:"";position:absolute;right:0;top:0;width:14px;height:14px;background:#dc2626;border:2px solid #fff;border-radius:50%}
    .fab span{transition:transform .45s ease}
    .fab:hover{color:#fff;opacity:1;transform:scale(1.1);animation:none}
    .fab:hover span{transform:rotate(360deg)}
    .fab:active{transform:scale(.95) translateY(4px)}
    @keyframes float{50%{translate:0 -5px}}
    @media(max-width:1024px){
      :root{--section-space:68px}
      .nav-shell{gap:12px}
      .brand{max-width:175px;font-size:13px}
      .primary-nav a{padding:9px 8px;font-size:12px}
      .nav-text,.nav-solid{font-size:12px}
      .scenario-layout,.faq-grid{gap:28px}
    }
    @media(max-width:768px){
      :root{--section-space:58px}
      .nav-shell{flex-wrap:wrap;justify-content:space-between;padding-top:10px;padding-bottom:9px;gap:7px}
      .brand{max-width:none}
      .primary-nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;scrollbar-width:thin;margin:0;padding:3px 0}
      .nav-actions{margin-left:auto}
      .hero{padding:68px 0 90px}
      .preview-panel{max-width:510px;margin-top:32px}
      .metric-strip{margin-top:-35px}
      .insight-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .insight-card:first-child{grid-column:1/-1}
      .scenario-layout,.feature-layout,.notice-layout,.faq-grid{grid-template-columns:1fr}
      .scenario-grid{gap:12px}
      .feature-visual{min-height:330px}
      .feature-visual img{min-height:330px;max-height:430px}
      .steps{gap:17px}
      .footer-grid{gap:35px}
    }
    @media(max-width:520px){
      :root{--section-space:55px}
      body{font-size:14px}
      .brand-mark{width:35px;height:35px;border-radius:11px;font-size:19px}
      .brand{font-size:12px;gap:7px}
      .nav-actions{gap:5px}
      .nav-text{padding:7px 2px;font-size:11px}
      .nav-solid{padding:8px 10px;font-size:11px}
      .primary-nav a{padding:8px 10px;font-size:12px}
      .hero{min-height:0;padding:59px 0 79px}
      h1{font-size:clamp(2.05rem,9vw,3rem)}
      .hero p{font-size:14px}
      .hero-actions .btn-gold,.hero-actions .btn-outline-gold{width:100%}
      .preview-panel{padding:22px}
      .metric-box{grid-template-columns:1fr;padding:5px 18px}
      .metric{padding:13px 2px;border-right:0;border-bottom:1px solid var(--line)}
      .metric:last-child{border-bottom:0}
      .metric strong{font-size:22px}
      .section-head{display:block}
      .insight-grid,.scenario-grid,.steps{grid-template-columns:1fr}
      .insight-card{min-height:0}
      .insight-card:first-child{grid-column:auto}
      .insight-card h3{margin-top:22px}
      .feature-visual,.feature-visual img{min-height:270px}
      .notice-art img{max-height:270px}
      .update-bar{display:block;padding:25px}
      .update-bar .btn-outline-gold{margin-top:20px}
      .footer-grid{grid-template-columns:1fr;gap:27px}
      .footer-bottom{flex-direction:column}
      .fab{left:16px;bottom:96px}
    }
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* roulang page: category2 */
:root{--bg:#051f14;--surface:#0b2e1e;--surface-2:#103a29;--ink:#f8fafc;--muted:#c2dccd;--soft:#a3a375;--gold:#f6b835;--gold-light:#fcd87b;--line:rgba(246,184,53,.22);--radius:22px;--shadow:0 20px 60px rgba(0,0,0,.23);--section-space:88px}
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:115px}
    body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.65 "Be Vietnam Pro",system-ui,sans-serif;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,border-color .2s ease,box-shadow .2s ease}
    a:hover{color:var(--gold-light)}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%;height:auto}
    :focus-visible{outline:3px solid var(--gold-light);outline-offset:4px}
    ::selection{background:var(--gold);color:var(--bg)}
    .container{max-width:1200px}
    .site-header{position:sticky;top:0;z-index:100;background:rgba(5,31,20,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.1)}
    .nav-shell{display:flex;align-items:center;gap:24px;min-height:80px}
    .brand{display:flex;align-items:center;gap:11px;flex-shrink:0;max-width:230px;font-size:15px;font-weight:800;line-height:1.25;letter-spacing:-.04em}
    .brand-mark{width:42px;height:42px;flex:none;display:grid;place-items:center;border:1px solid var(--gold);border-radius:14px;background:linear-gradient(145deg,#ffd776,#956014);color:var(--bg);font-size:23px;box-shadow:0 4px 18px rgba(245,158,11,.24)}
    .brand em{font-style:normal;color:var(--gold-light)}
    .primary-nav{display:flex;align-items:center;justify-content:center;gap:5px;margin:auto}
    .primary-nav a{padding:10px 13px;border-radius:10px;color:var(--muted);font-size:13px;font-weight:600;white-space:nowrap}
    .primary-nav a:hover,.primary-nav a.active{background:rgba(246,184,53,.12);color:var(--gold-light)}
    .nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
    .nav-text{font-size:13px;font-weight:700;padding:9px 5px;color:var(--gold-light)}
    .nav-solid{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#162113!important;border-radius:10px;padding:10px 14px;font-size:13px;font-weight:800;box-shadow:0 7px 22px rgba(245,158,11,.18)}
    .nav-solid:hover,.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(245,158,11,.28)}
    main{overflow:hidden}
    .hero{position:relative;isolation:isolate;min-height:570px;display:flex;align-items:center;padding:90px 0;background:#10351f url('/assets/images/e95a3617013e9a5a.jpg') center 43%/cover no-repeat}
    .hero::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(3,22,14,.97),rgba(5,31,20,.85) 52%,rgba(5,31,20,.43)),linear-gradient(0deg,#051f14,transparent 40%)}
    .hero-copy{max-width:760px}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow::before,.section-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(245,158,11,.12)}
    .hero h1{font-size:clamp(2.35rem,5.2vw,4.75rem);font-weight:800;line-height:1.12;letter-spacing:-.055em;margin:19px 0 21px;text-wrap:balance}
    .hero h1 span{color:var(--gold-light)}
    .hero p{color:#e5eee7;max-width:690px;font-size:16px;line-height:1.7}
    .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:29px}
    .btn-gold,.btn-outline-gold{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 21px;border-radius:12px;font-weight:800;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
    .btn-gold{border:1px solid var(--gold-light);background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#13241a}
    .btn-gold:hover{color:#13241a}
    .btn-outline-gold{border:1px solid rgba(252,216,123,.55);background:rgba(7,33,22,.65);color:var(--gold-light)}
    .btn-outline-gold:hover{background:rgba(252,216,123,.12)}
    .hero-footnote{margin-top:24px!important;color:#d0dfd3!important;font-size:12px!important}
    .section{padding:var(--section-space) 0;border-bottom:1px solid rgba(255,255,255,.055)}
    .section-alt{background:#082719}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:31px}
    .section-head>div{max-width:770px}
    .section h2{font-size:clamp(1.75rem,3.3vw,2.75rem);font-weight:800;letter-spacing:-.045em;line-height:1.22;margin:11px 0 14px}
    .section-lead{color:var(--muted);margin:0;max-width:790px}
    .text-link{display:inline-flex;align-items:center;gap:8px;color:var(--gold-light);font-weight:700;font-size:14px;white-space:nowrap}
    .text-link:hover{transform:translateX(4px)}
    .fact-band{position:relative;z-index:2;margin-top:-38px;padding-bottom:50px}
    .fact-panel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;background:#103724;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
    .fact{padding:25px 29px}
    .fact+.fact{border-left:1px solid var(--line)}
    .fact strong{display:block;color:var(--gold-light);font-size:clamp(1.4rem,2.6vw,2.1rem);font-weight:800;letter-spacing:-.04em;line-height:1.25}
    .fact span{display:block;margin-top:7px;font-size:13px;color:var(--muted)}
    .feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}
    .feature-card{position:relative;min-height:246px;padding:27px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,#133a28,#09271b);transition:transform .22s,border-color .22s,box-shadow .22s}
    .feature-card:hover{transform:translateY(-4px);border-color:rgba(252,216,123,.55);box-shadow:var(--shadow)}
    .feature-number{display:inline-flex;align-items:center;justify-content:center;width:39px;height:39px;border-radius:12px;background:rgba(246,184,53,.13);color:var(--gold-light);font-size:13px;font-weight:800}
    .feature-card h3{margin:25px 0 10px;font-size:20px;font-weight:800;letter-spacing:-.025em}
    .feature-card p,.scenario-copy p,.showcase-copy p,.notice-copy p{color:var(--muted);margin-bottom:0}
    .scenario-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(35px,7vw,100px);align-items:start}
    .scenario-copy{position:sticky;top:120px}
    .scenario-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
    .scenario-list li{display:grid;grid-template-columns:42px 1fr;gap:16px;padding:25px 0;border-bottom:1px solid var(--line)}
    .scenario-list .index{color:var(--gold-light);font-size:13px;font-weight:800}
    .scenario-list h3{font-size:18px;font-weight:800;margin:0 0 6px}
    .scenario-list p{color:var(--muted);font-size:14px;margin:0}
    .showcase{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;align-items:center}
    .showcase-media{position:relative;min-height:415px;overflow:hidden;border-radius:var(--radius);background:var(--surface-2);box-shadow:var(--shadow)}
    .showcase-media img{width:100%;height:100%;min-height:415px;object-fit:cover}
    .showcase-media::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(2,22,13,.8),transparent 52%)}
    .image-caption{position:absolute;bottom:23px;left:25px;right:25px;z-index:1;color:#fff;font-weight:700;font-size:14px}
    .showcase-points{list-style:none;margin:24px 0 0;padding:0}
    .showcase-points li{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
    .showcase-points li::before{content:"◆";font-size:10px;color:var(--gold);margin-top:4px}
    .notice-wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:45px;align-items:center}
    .notice-visual{overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface)}
    .notice-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
    .notice-visual figcaption{padding:14px 20px;color:var(--muted);font-size:12px}
    .notice-lines{list-style:none;margin:22px 0 0;padding:0}
    .notice-lines li{padding:13px 0;border-bottom:1px solid var(--line);color:var(--muted)}
    .notice-lines strong{color:var(--ink)}
    .payment-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:50px;align-items:center}
    .payment-rails{display:flex;flex-wrap:wrap;gap:11px;margin-top:22px}
    .rail{padding:10px 14px;border:1px solid var(--line);border-radius:11px;background:rgba(246,184,53,.07);font-size:13px;font-weight:700;color:var(--gold-light)}
    .payment-note{border-left:2px solid var(--gold);padding:15px 0 15px 24px;color:var(--muted)}
    .payment-note strong{display:block;color:var(--ink);font-size:18px;margin-bottom:8px}
    .payment-note p{margin:0}
    .faq-layout{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:55px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;cursor:pointer;color:var(--ink);font-weight:700}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{content:"+";color:var(--gold-light);font-size:24px;font-weight:400;line-height:1}
    .faq-item[open] summary::after{content:"−"}
    .faq-item p{margin:-3px 0 21px;color:var(--muted);font-size:14px}
    .closing{background:radial-gradient(circle at 83% 30%,rgba(246,184,53,.16),transparent 37%),linear-gradient(135deg,#103a29,#082719)}
    .closing-inner{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:35px;align-items:center}
    .closing h2{max-width:690px}
    .closing-action{justify-self:end;max-width:320px}
    .closing-action p{color:var(--muted);font-size:13px;margin:14px 0 0}
    .fab{position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;display:grid;place-items:center;border:2px solid var(--gold);border-radius:50%;background:radial-gradient(circle at 35% 25%,#71531c,#102718 68%);box-shadow:0 6px 25px rgba(245,158,11,.35),inset 0 1px 8px rgba(255,226,147,.3);color:var(--gold-light);font-size:24px;opacity:.85;animation:float 3.5s ease-in-out infinite}
    .fab::after{content:"";position:absolute;top:2px;right:1px;width:13px;height:13px;border-radius:50%;background:#dc2626;border:2px solid white}
    .fab:hover{color:var(--gold-light);opacity:1;transform:scale(1.1);animation:none}
    .fab:hover span{transform:rotate(360deg)}
    .fab span{transition:transform .5s}
    .fab:active{transform:scale(.95) translateY(4px)}
    @keyframes float{50%{translate:0 -5px}}
    .site-footer{padding:55px 0 24px;background:#04190f;border-top:1px solid var(--line)}
    .footer-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:60px}
    .footer-brand{display:inline-flex;align-items:center;gap:12px;font-size:18px;font-weight:800;color:var(--ink)}
    .footer-grid p{max-width:620px;color:var(--muted);font-size:13px;margin:18px 0 0}
    .footer-details strong{color:var(--gold-light);font-size:14px}
    .footer-details p{margin-top:10px}
    .footer-bottom{display:flex;justify-content:space-between;gap:15px;margin-top:42px;padding-top:22px;border-top:1px solid var(--line);color:#a9c4b1;font-size:12px}
    @media(max-width:1024px){
      :root{--section-space:68px}
      .nav-shell{gap:12px}
      .brand{max-width:175px;font-size:13px}
      .primary-nav a{padding:9px 8px;font-size:12px}
      .nav-actions{gap:5px}
      .nav-text,.nav-solid{font-size:12px}
      .showcase{gap:28px}
    }
    @media(max-width:768px){
      :root{--section-space:55px}
      .nav-shell{flex-wrap:wrap;justify-content:space-between;gap:4px 10px;padding-top:10px;padding-bottom:8px}
      .brand{max-width:none}
      .brand-mark{width:36px;height:36px;border-radius:11px;font-size:19px}
      .primary-nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;scrollbar-width:thin;margin:4px 0 0;padding-bottom:3px}
      .primary-nav a{padding:8px 11px}
      .hero{min-height:510px;padding:76px 0 88px}
      .fact-panel,.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .fact:nth-child(3){grid-column:1/-1;border-left:0;border-top:1px solid var(--line)}
      .feature-card:last-child{grid-column:1/-1;min-height:0}
      .scenario-layout,.showcase,.notice-wrap,.payment-layout,.faq-layout,.closing-inner{grid-template-columns:1fr;gap:27px}
      .scenario-copy{position:static}
      .showcase-media,.showcase-media img{min-height:340px}
      .notice-visual{max-width:560px}
      .closing-action{justify-self:start}
    }
    @media(max-width:520px){
      .container{padding-left:20px;padding-right:20px}
      .nav-actions{margin-left:auto}
      .nav-text{padding:8px 3px;font-size:11px}
      .nav-solid{padding:8px 10px;font-size:11px}
      .hero{min-height:0;padding:67px 0 86px}
      .hero h1{font-size:clamp(2.1rem,9vw,3rem)}
      .hero p{font-size:14px}
      .hero-actions a{width:100%}
      .fact-panel,.feature-grid{grid-template-columns:1fr}
      .fact+.fact,.fact:nth-child(3){grid-column:auto;border-left:0;border-top:1px solid var(--line)}
      .feature-card:last-child{grid-column:auto}
      .section-head{display:block}
      .section h2{font-size:1.8rem}
      .showcase-media,.showcase-media img{min-height:280px}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .footer-bottom{flex-direction:column}
      .fab{left:16px;bottom:96px}
    }
    @media(prefers-reduced-motion:reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
    }

/* roulang page: category3 */
:root{--bg:#051f14;--surface:#0b2e1e;--surface-2:#103a29;--ink:#f8fafc;--muted:#c2dccd;--soft:#a3a375;--gold:#f6b835;--gold-light:#fcd87b;--line:rgba(246,184,53,.22);--radius:22px;--shadow:0 20px 60px rgba(0,0,0,.23);--section-space:88px}
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:115px}
    body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.65 "Be Vietnam Pro",system-ui,sans-serif;overflow-x:hidden}
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease,border-color .2s ease}
    a:hover{color:var(--gold-light)}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold-light);outline-offset:4px}
    button,input{font:inherit}
    button{cursor:pointer}
    img{display:block;max-width:100%;height:auto}
    p{margin-top:0;line-height:1.65}
    .container{max-width:1200px}
    .site-header{position:sticky;top:0;z-index:100;background:rgba(5,31,20,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(18px);box-shadow:0 10px 30px rgba(0,0,0,.1)}
    .nav-shell{display:flex;align-items:center;gap:24px;min-height:80px}
    .brand{display:flex;align-items:center;gap:11px;flex-shrink:0;max-width:230px;font-size:15px;font-weight:800;line-height:1.25;letter-spacing:-.04em}
    .brand-mark{width:42px;height:42px;flex:none;display:grid;place-items:center;border:1px solid var(--gold);border-radius:14px;background:linear-gradient(145deg,#ffd776,#956014);color:var(--bg);font-size:23px;box-shadow:0 4px 18px rgba(245,158,11,.24)}
    .brand em{font-style:normal;color:var(--gold-light)}
    .primary-nav{display:flex;align-items:center;justify-content:center;gap:5px;margin:auto}
    .primary-nav a{padding:10px 13px;border-radius:10px;color:var(--muted);font-size:13px;font-weight:600;white-space:nowrap}
    .primary-nav a:hover,.primary-nav a.active{background:rgba(246,184,53,.12);color:var(--gold-light)}
    .nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}
    .nav-text{font-size:13px;font-weight:700;padding:9px 5px;color:var(--gold-light)}
    .nav-solid{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#162113!important;border-radius:10px;padding:10px 14px;font-size:13px;font-weight:800;box-shadow:0 7px 22px rgba(245,158,11,.18)}
    .nav-solid:hover,.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(245,158,11,.28)}
    main{overflow:hidden}
    .eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;color:var(--gold-light);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow::before,.section-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(245,158,11,.12)}
    .hero{position:relative;isolation:isolate;padding:90px 0 103px;background:radial-gradient(circle at 75% 18%,rgba(246,184,53,.12),transparent 37%),linear-gradient(145deg,#082b1c,#051f14 70%)}
    .hero::before{content:"";position:absolute;inset:0;z-index:-1;background:url('/assets/images/23d4c2f9c3396634.jpg') center/cover no-repeat;opacity:.08}
    .hero-copy{position:relative;z-index:2}
    .hero h1{font-size:clamp(2.5rem,5.1vw,4.85rem);font-weight:800;letter-spacing:-.065em;line-height:1.13;margin:18px 0 22px;overflow-wrap:anywhere}
    .hero h1 span{color:var(--gold-light)}
    .hero p{color:#e5eee7;max-width:520px;font-size:16px}
    .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:29px}
    .btn-gold,.btn-outline-gold{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 21px;border-radius:12px;font-weight:800;font-size:14px;transition:transform .2s,box-shadow .2s,background .2s}
    .btn-gold{border:1px solid var(--gold-light);background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#13241a}
    .btn-gold:hover{color:#13241a}
    .btn-outline-gold{border:1px solid rgba(252,216,123,.55);background:rgba(7,33,22,.65);color:var(--gold-light)}
    .btn-outline-gold:hover{background:rgba(252,216,123,.12)}
    .hero-footnote{margin:22px 0 0!important;font-size:12px!important;color:#d0dfd3!important}
    .hero-media{position:relative;margin-left:28px;transform:translateY(27px)}
    .hero-image{width:100%;height:510px;object-fit:cover;border-radius:36px 36px 36px 100px;border:1px solid var(--line);box-shadow:var(--shadow)}
    .hero-media::after{content:"";position:absolute;inset:0;border-radius:36px 36px 36px 100px;background:linear-gradient(0deg,rgba(3,26,16,.76),transparent 54%);pointer-events:none}
    .media-caption{position:absolute;z-index:1;left:28px;right:28px;bottom:27px;display:flex;align-items:end;justify-content:space-between;gap:15px;font-weight:700}
    .media-caption strong{display:block;color:var(--gold-light);font-size:30px;line-height:1.1}
    .media-caption small{display:block;max-width:220px;color:#eef7ee;font-size:12px}
    .section{padding:var(--section-space) 0;border-bottom:1px solid rgba(255,255,255,.055)}
    .section-alt{background:#082719}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:31px}
    .section-head>div{max-width:770px}
    .section h2{font-size:clamp(1.75rem,3.3vw,2.75rem);font-weight:800;letter-spacing:-.045em;line-height:1.22;margin:11px 0 14px}
    .section-lead{color:var(--muted);margin:0;max-width:790px}
    .text-link{display:inline-flex;align-items:center;gap:8px;color:var(--gold-light);font-weight:700;font-size:14px;white-space:nowrap}
    .text-link:hover{transform:translateX(4px)}
    .metric-strip{position:relative;z-index:3;margin-top:-40px}
    .metric-panel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));background:#103724;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
    .metric{padding:25px 28px}
    .metric+.metric{border-left:1px solid var(--line)}
    .metric strong{display:block;font-size:24px;line-height:1.25;color:var(--gold-light);font-weight:800}
    .metric span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
    .feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .feature-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,#123b29,#09271b);transition:transform .25s,border-color .25s,box-shadow .25s}
    .feature-card:hover{transform:translateY(-4px);border-color:rgba(252,216,123,.55);box-shadow:var(--shadow)}
    .card-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:rgba(246,184,53,.14);color:var(--gold-light);font-weight:800;font-size:23px}
    .feature-card h3,.scenario h3{font-size:19px;font-weight:800;margin:22px 0 10px}
    .feature-card p,.scenario p{color:var(--muted);font-size:14px;margin:0}
    .scenario-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .scenario{padding:29px 0;border-top:1px solid var(--line)}
    .scenario h3{margin:0 0 9px}
    .scenario-label{display:block;color:var(--gold-light);font-size:12px;font-weight:800;margin-bottom:12px}
    .scenario-aside{padding:32px;border-radius:var(--radius);background:var(--surface-2);border:1px solid var(--line);align-self:start}
    .scenario-aside strong{display:block;font-size:21px;line-height:1.4;margin-bottom:15px}
    .scenario-aside p{color:var(--muted);font-size:14px;margin:0}
    .flow-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:65px;align-items:center}
    .flow-visual{overflow:hidden;border-radius:var(--radius);position:relative;min-height:460px;background:var(--surface)}
    .flow-visual img{width:100%;height:460px;object-fit:cover}
    .flow-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,31,20,.7),transparent 55%)}
    .flow-caption{position:absolute;z-index:1;bottom:23px;left:24px;right:24px;color:var(--ink);font-weight:700}
    .step-list{list-style:none;padding:0;margin:23px 0 0;counter-reset:step}
    .step-list li{position:relative;padding:0 0 23px 54px;margin-bottom:23px;border-bottom:1px solid var(--line);counter-increment:step}
    .step-list li:last-child{margin-bottom:0;border:0}
    .step-list li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:1px;color:var(--gold-light);font-weight:800;font-size:17px}
    .step-list strong{display:block;margin-bottom:5px}
    .step-list span{color:var(--muted);font-size:14px}
    .rail-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:27px}
    .rail-item{padding:19px;border:1px solid var(--line);border-radius:15px;background:rgba(16,58,41,.7);font-size:14px;font-weight:800;transition:border-color .2s,transform .2s}
    .rail-item:hover{border-color:var(--gold);transform:translateY(-2px)}
    .rail-item small{display:block;margin-top:8px;color:var(--muted);font-size:12px;font-weight:400}
    .notice-layout{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
    .notice-list{list-style:none;padding:0;margin:0}
    .notice-list li{padding:18px 0;border-bottom:1px solid var(--line);color:var(--muted);font-size:14px}
    .notice-list li:first-child{border-top:1px solid var(--line)}
    .notice-list strong{color:var(--ink)}
    .faq-list{max-width:900px}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item:first-child{border-top:1px solid var(--line)}
    .faq-item summary{position:relative;list-style:none;padding:22px 35px 22px 0;font-size:16px;font-weight:700;cursor:pointer}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{content:"+";position:absolute;right:4px;top:17px;color:var(--gold-light);font-size:24px;font-weight:400}
    .faq-item[open] summary::after{content:"−"}
    .faq-item p{color:var(--muted);font-size:14px;max-width:760px;padding-bottom:22px;margin:0}
    .closing{padding:72px 0;background:linear-gradient(115deg,#123b29,#082719 72%);border-bottom:1px solid var(--line)}
    .closing-inner{display:flex;align-items:center;justify-content:space-between;gap:35px}
    .closing h2{max-width:690px;font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.25;letter-spacing:-.045em;font-weight:800;margin:10px 0 12px}
    .closing p{max-width:680px;color:var(--muted);margin:0}
    .site-footer{background:#041810;padding:61px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:80px;padding-bottom:42px}
    .footer-brand{display:inline-flex;align-items:center;gap:12px;font-size:20px;font-weight:800;color:var(--ink)}
    .footer-grid p{color:var(--muted);font-size:13px;max-width:520px;margin:16px 0 0}
    .footer-details{padding-top:10px}
    .footer-details strong{color:var(--gold-light);font-size:14px}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:22px;border-top:1px solid var(--line);font-size:12px;color:#a9c2af}
    .fab{position:fixed;left:16px;bottom:96px;z-index:50;display:grid;place-items:center;width:56px;height:56px;border:2px solid var(--gold);border-radius:50%;background:radial-gradient(circle at 30% 22%,#ffdc84,#9f6819 38%,#173522 72%);box-shadow:0 6px 25px rgba(245,158,11,.35);font-size:25px;color:var(--gold-light);opacity:.85;animation:float 4s ease-in-out infinite}
    .fab:hover{color:#fff;opacity:1;transform:scale(1.1);animation:none}
    .fab:active{transform:scale(.95) translateY(4px)}
    .fab::after{content:"";position:absolute;top:2px;right:1px;width:13px;height:13px;background:#dc2626;border:2px solid #fff;border-radius:50%}
    @keyframes float{50%{translate:0 -6px}}
    @media(max-width:1024px){:root{--section-space:72px}.nav-shell{gap:12px}.brand{max-width:185px;font-size:13px}.brand-mark{width:36px;height:36px}.primary-nav a{padding:9px 8px;font-size:12px}.nav-actions a{font-size:12px}.hero-media{margin-left:0}.flow-layout{gap:35px}}
    @media(max-width:768px){:root{--section-space:60px}.nav-shell{min-height:70px;flex-wrap:wrap;padding-top:10px;padding-bottom:9px;gap:7px 15px}.brand{max-width:none;margin-right:auto}.primary-nav{order:3;width:100%;justify-content:flex-start;overflow-x:auto;margin:2px 0 0;padding-bottom:2px;scrollbar-width:thin}.primary-nav a{font-size:12px}.nav-actions{margin-left:auto}.hero{padding:66px 0 84px}.hero-media{margin-top:20px;transform:none}.hero-image{height:390px}.metric-panel{grid-template-columns:1fr 1fr}.metric:last-child{grid-column:1/-1;border-left:0;border-top:1px solid var(--line)}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.scenario-grid,.flow-layout,.notice-layout{grid-template-columns:1fr;gap:25px}.scenario-aside{margin-top:5px}.rail-list{grid-template-columns:repeat(2,minmax(0,1fr))}.closing-inner{align-items:start;flex-direction:column}.footer-grid{gap:30px}}
    @media(max-width:520px){:root{--section-space:52px}.container{padding-left:19px;padding-right:19px}.brand{font-size:12px}.brand-mark{width:34px;height:34px;font-size:18px;border-radius:11px}.nav-actions{gap:3px}.nav-text{padding:8px 3px;font-size:11px!important}.nav-solid{padding:8px 9px;font-size:11px!important}.hero{padding:53px 0 77px}.hero h1{font-size:clamp(2.1rem,10vw,3.2rem)}.hero-image{height:315px;border-radius:22px 22px 22px 60px}.hero-media::after{border-radius:22px 22px 22px 60px}.media-caption{left:18px;bottom:18px}.media-caption strong{font-size:23px}.media-caption small{font-size:10px}.metric-panel{grid-template-columns:1fr}.metric{padding:17px 20px}.metric+.metric,.metric:last-child{grid-column:auto;border-left:0;border-top:1px solid var(--line)}.feature-grid{grid-template-columns:1fr}.section-head{display:block}.rail-list{grid-template-columns:1fr 1fr}.rail-item{padding:14px;font-size:12px}.footer-grid{grid-template-columns:1fr;gap:25px}.footer-bottom{flex-direction:column;gap:5px}.fab{bottom:84px;left:12px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}