/* roulang page: index */
:root{--ink:#161813;--muted:#686d63;--paper:#f5f5ee;--line:#dfe4d5;--lime:#c7f45a;--mint:#e9f2d4;--orange:#ff9562;--white:#fff;--shadow:0 16px 40px rgba(22,24,19,.09);--radius:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input{font:inherit}button{cursor:pointer;border:0}.container{width:min(1200px,calc(100% - 48px));margin:auto}.site-header{height:78px;background:rgba(245,245,238,.94);border-bottom:1px solid var(--line);display:flex;align-items:center;position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:26px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-size:18px}.brand span:last-child{font-size:16px}.nav{display:flex;align-items:center;gap:5px;margin-left:auto}.nav a{padding:9px 13px;color:#555a50;font-size:14px;border-radius:10px;transition:.2s}.nav a:hover,.nav a.active{background:var(--ink);color:var(--lime)}.head-actions{display:flex;align-items:center;gap:10px}.search-btn{width:40px;height:40px;background:transparent;border:1px solid var(--line);border-radius:11px;font-size:18px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 20px;border-radius:12px;font-weight:750;transition:.22s;border:1px solid transparent}.btn-primary{background:var(--lime);color:var(--ink)}.btn-primary:hover{background:#d9ff83;transform:translateY(-2px)}.btn-dark{background:var(--ink);color:var(--lime)}.btn-dark:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(22,24,19,.18)}.btn-outline{border-color:#aeb7a0;background:transparent}.btn-outline:hover{border-color:var(--ink);background:var(--white)}.menu-btn{display:none;background:var(--ink);color:var(--lime);width:40px;height:40px;border-radius:10px}.hero{padding:80px 0 72px;background:var(--paper);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;width:450px;height:450px;border:1px solid #dce5c9;border-radius:50%;right:-120px;top:-180px}.hero-grid{display:grid;grid-template-columns:1fr .9fr;align-items:center;gap:70px}.eyebrow,.section-kicker{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#6b755b;font-weight:800}.hero h1{font-size:clamp(40px,5vw,64px);line-height:1.1;letter-spacing:-.065em;margin:14px 0 22px;max-width:650px}.hero p{font-size:18px;color:var(--muted);max-width:560px;margin:0 0 30px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-note{display:flex;gap:20px;margin-top:30px;color:var(--muted);font-size:13px}.hero-note b{display:block;color:var(--ink);font-size:17px}.app-stage{min-height:425px;background:var(--ink);border-radius:28px;padding:24px;position:relative;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}.app-stage:after{content:"";position:absolute;inset:15px;border:1px solid #41473a;border-radius:21px;pointer-events:none}.phone{width:245px;background:#292d24;border:8px solid #080a08;border-radius:31px;padding:15px;color:white;box-shadow:20px 22px 0 rgba(199,244,90,.22);position:relative;z-index:1}.phone-top{display:flex;justify-content:space-between;font-size:11px;color:#bec8b1}.phone h3{font-size:20px;margin:22px 0 12px}.phone-cover{height:130px;border-radius:14px;background:linear-gradient(135deg,#b9dc55,#566d35 50%,#ff9562);padding:12px;display:flex;align-items:flex-end;font-weight:800}.phone-list{margin-top:14px;display:grid;gap:8px}.phone-row{display:flex;gap:9px;align-items:center;background:#373d32;padding:8px;border-radius:9px;font-size:11px}.mini-cover{width:31px;height:31px;border-radius:7px;background:#e6a16e}.phone-progress{height:5px;background:#545c4e;border-radius:10px;margin-top:13px}.phone-progress i{display:block;width:72%;height:100%;background:var(--lime);border-radius:10px}.quick{background:var(--ink);color:white}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px}.quick a{padding:25px 20px;border-right:1px solid #383d32;display:flex;align-items:center;gap:14px;transition:.2s}.quick a:hover{background:#252920}.quick-icon{width:35px;height:35px;border:1px solid #59604f;border-radius:10px;color:var(--lime);display:grid;place-items:center}.quick small{color:#9ea797;display:block}.quick strong{font-size:16px}.section{padding:88px 0}.section.alt{background:var(--mint)}.section.dark{background:var(--ink);color:white}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:30px}.section h2{font-size:clamp(28px,3vw,38px);line-height:1.2;letter-spacing:-.045em;margin:8px 0 0}.section-intro{color:var(--muted);max-width:560px}.dark .section-intro{color:#aeb7a5}.game-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:15px}.game-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}.game-card:hover,.info-card:hover,.topic:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bbd36f}.game-art{height:170px;background:linear-gradient(135deg,#758d42,#d7ec91);position:relative;padding:16px;display:flex;align-items:flex-end;font-size:22px;font-weight:800}.game-card:first-child .game-art{height:255px;background:linear-gradient(135deg,#343a2d,#99b74d 58%,#ff9562)}.game-card:nth-child(3) .game-art{background:linear-gradient(135deg,#c7d3dc,#71808b)}.game-card:nth-child(4) .game-art{background:linear-gradient(135deg,#dca874,#704d42)}.game-art:after{content:"游戏内容";position:absolute;right:13px;top:13px;background:rgba(255,255,255,.78);padding:3px 8px;border-radius:20px;font-size:11px}.game-info{padding:16px}.game-info h3{margin:0 0 5px;font-size:18px}.game-info p{margin:0;color:var(--muted);font-size:13px}.tag{display:inline-block;padding:3px 9px;border-radius:20px;background:var(--mint);font-size:12px;color:#4b5e2d;margin-bottom:8px}.tag.hot{background:#ffe2d5;color:#a34c29}.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.topic{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:20px;transition:.2s}.topic b{display:block;margin:8px 0 2px}.topic span{font-size:13px;color:var(--muted)}.download-panel{display:grid;grid-template-columns:.85fr 1.15fr;gap:45px;align-items:center}.download-panel h2{max-width:470px}.download-copy{color:#b4bcae}.download-box{border:1px solid #495041;border-radius:16px;padding:18px;display:flex;gap:20px;align-items:center;margin-top:25px}.qr{width:78px;height:78px;background:repeating-linear-gradient(45deg,var(--lime) 0 5px,#21261d 5px 9px);border:7px solid white;border-radius:8px}.screens{display:flex;gap:14px;align-items:end;justify-content:center}.screen{width:170px;height:285px;border:7px solid #080a08;border-radius:22px;background:#3e4931;padding:12px;color:white}.screen:nth-child(2){height:330px;background:#8b9e52}.screen:nth-child(3){height:245px;background:#bd744e}.screen-line{height:10px;background:rgba(255,255,255,.55);border-radius:5px;margin:13px 0}.screen-block{height:92px;border-radius:12px;background:rgba(22,24,19,.32)}.info-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.info-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:19px;transition:.2s}.info-card.feature{min-height:260px;background:linear-gradient(140deg,#30372a,#778f41);color:white;display:flex;flex-direction:column;justify-content:end}.info-card.feature p{color:#e2ead7}.info-card h3{margin:6px 0;font-size:18px;line-height:1.4}.info-card p{color:var(--muted);font-size:14px;margin:0}.info-list{display:grid;gap:10px}.info-list .info-card{display:grid;grid-template-columns:82px 1fr;gap:14px}.thumb{height:62px;border-radius:10px;background:#d7e7a8}.meta{font-size:12px;color:#858d7d;margin-top:7px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.step{padding:22px;background:var(--white);border-radius:15px;border:1px solid var(--line)}.number{font-size:30px;font-weight:900;color:#9bbd3e}.step h3{font-size:17px;margin:4px 0}.step p,.safe p{font-size:14px;color:var(--muted);margin:0}.timeline{border-left:2px solid #bbd84d;margin:25px 0 0 12px;padding-left:25px;display:grid;gap:24px}.timeline-item{position:relative}.timeline-item:before{content:"";position:absolute;width:11px;height:11px;background:var(--orange);border:3px solid var(--paper);border-radius:50%;left:-32px;top:7px}.timeline-item b{color:#8c542e;font-size:13px}.timeline-item h3{margin:3px 0;font-size:18px}.filters{display:flex;flex-wrap:wrap;gap:10px}.filter{border:1px solid #cbd5ba;padding:10px 16px;border-radius:30px;background:var(--white);font-size:14px}.safe-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px;align-items:start}.safe{padding:22px;background:var(--mint);border-radius:15px;border:1px solid #d1dfb8}.safe h3{margin:0 0 6px}.faq{max-width:820px;margin:auto}.faq details{border-bottom:1px solid var(--line);padding:19px 0}.faq summary{cursor:pointer;font-weight:750;list-style:none;display:flex;justify-content:space-between}.faq summary:after{content:"＋";color:#758d42}.faq details[open] summary:after{content:"−"}.faq p{color:var(--muted);margin:12px 35px 0 0}.closing{padding:55px 0}.closing-inner{background:var(--ink);color:white;border-radius:22px;padding:38px 45px;display:flex;justify-content:space-between;align-items:center;gap:25px}.closing h2{margin:0;font-size:30px}.closing p{color:#b7c0ae;margin:6px 0 0}.footer{background:var(--ink);color:white;padding:55px 0 25px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:35px}.footer h3{font-size:15px;margin:0 0 15px}.footer p,.footer a{font-size:13px;color:#aeb7a5}.footer a{display:block;margin:7px 0}.footer a:hover{color:var(--lime)}.copyright{border-top:1px solid #373d32;margin-top:35px;padding-top:18px;color:#8e9887;font-size:12px}.search-panel{display:none;position:absolute;right:24px;top:68px;background:white;border:1px solid var(--line);padding:12px;border-radius:13px;box-shadow:var(--shadow)}.search-panel.show{display:flex}.search-panel input{border:1px solid var(--line);padding:10px;border-radius:8px;outline:none}.search-panel input:focus{border-color:#8ca947}@media(max-width:1000px){.nav{gap:0}.nav a{padding:8px}.hero-grid,.download-panel,.info-layout{grid-template-columns:1fr}.hero{padding-top:55px}.app-stage{max-width:650px}.game-grid{grid-template-columns:repeat(2,1fr)}.game-card:first-child{grid-column:span 2}.matrix{grid-template-columns:repeat(4,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.container{width:min(100% - 32px,600px)}.site-header{height:68px}.nav{display:none;position:absolute;left:16px;right:16px;top:63px;background:var(--paper);padding:10px;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px}.menu-btn{display:block}.head-actions .search-btn{display:none}.head-actions .btn{min-height:38px;padding:0 12px;font-size:13px}.brand span:last-child{font-size:14px}.hero{padding:52px 0}.hero h1{font-size:42px}.hero p{font-size:16px}.quick-grid{grid-template-columns:repeat(2,1fr)}.quick a{padding:18px 12px}.section{padding:62px 0}.section-head{display:block}.section-head .section-intro{margin-top:12px}.game-grid{grid-template-columns:1fr}.game-card:first-child{grid-column:auto}.game-card:first-child .game-art,.game-art{height:190px}.matrix,.steps{grid-template-columns:repeat(2,1fr)}.download-panel{gap:30px}.screens{gap:7px}.screen{width:29%;height:230px}.screen:nth-child(2){height:270px}.screen:nth-child(3){height:200px}.closing-inner{display:block;padding:30px 24px}.closing .btn{margin-top:20px}.safe-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:480px){.hero h1{font-size:36px}.hero-note{gap:12px}.matrix,.steps{grid-template-columns:1fr 1fr}.section h2{font-size:29px}.info-list .info-card{grid-template-columns:65px 1fr;padding:13px}.thumb{height:55px}.download-box{align-items:flex-start;flex-wrap:wrap}.screens{margin:0 -12px}.screen{border-width:5px}.footer-grid{grid-template-columns:1fr}.copyright{line-height:1.8}}

/* roulang page: category1 */
:root{--ink:#161813;--muted:#686d63;--paper:#f5f5ee;--line:#dfe4d5;--lime:#c7f45a;--mint:#e9f2d4;--orange:#ff9562;--white:#fff;--shadow:0 16px 40px rgba(22,24,19,.09);--radius:18px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1200px,calc(100% - 48px));margin:auto}
    .site-header{height:78px;background:rgba(245,245,238,.94);border-bottom:1px solid var(--line);display:flex;align-items:center;position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:26px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-size:18px}
    .brand span:last-child{font-size:16px}
    .nav{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav a{padding:9px 13px;color:#555a50;font-size:14px;border-radius:10px;transition:.2s}
    .nav a:hover,.nav a.active{background:var(--ink);color:var(--lime)}
    .head-actions{display:flex;align-items:center;gap:10px}
    .search-btn{width:40px;height:40px;background:transparent;border:1px solid var(--line);border-radius:11px;font-size:18px}
    .search-btn:hover{background:var(--white);border-color:#aeb7a0}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 20px;border-radius:12px;font-weight:750;transition:.22s;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#d9ff83;transform:translateY(-2px)}
    .btn-dark{background:var(--ink);color:var(--lime)}
    .btn-dark:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(22,24,19,.18)}
    .btn-outline{border-color:#aeb7a0;background:transparent}
    .btn-outline:hover{border-color:var(--ink);background:var(--white)}
    .menu-btn{display:none;background:var(--ink);color:var(--lime);width:40px;height:40px;border-radius:10px}
    .search-panel{display:none;position:absolute;right:24px;top:68px;background:white;border:1px solid var(--line);padding:12px;border-radius:13px;box-shadow:var(--shadow)}
    .search-panel.show{display:flex}
    .search-panel input{border:1px solid var(--line);padding:10px 12px;border-radius:9px;outline:0;min-width:230px}
    .search-panel input:focus{border-color:#9fbd4c;box-shadow:0 0 0 3px rgba(199,244,90,.25)}
    .page-head{padding:62px 0 48px;background:var(--ink);color:var(--white);position:relative;overflow:hidden}
    .page-head:after{content:"";position:absolute;width:280px;height:280px;border:1px solid #46503d;border-radius:50%;right:7%;top:-145px}
    .page-head .container{position:relative;z-index:1}
    .eyebrow,.section-kicker{font-size:13px;letter-spacing:.12em;color:#778b55;font-weight:800}
    .page-head .eyebrow{color:var(--lime)}
    .page-head h1{font-size:clamp(36px,5vw,58px);line-height:1.12;letter-spacing:-.06em;margin:12px 0 15px;max-width:720px}
    .page-head p{color:#c6cec0;max-width:680px;font-size:17px;margin:0}
    .head-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .badge{display:inline-flex;align-items:center;padding:5px 11px;border-radius:20px;background:var(--mint);color:#4b5e2d;font-size:12px;font-weight:700}
    .badge.orange{background:#ffe2d5;color:#a34c29}
    .section{padding:76px 0}
    .section.alt{background:var(--mint)}
    .section.dark{background:var(--ink);color:var(--white)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .section h2{font-size:clamp(28px,3vw,38px);line-height:1.2;letter-spacing:-.045em;margin:8px 0 0}
    .section-intro{color:var(--muted);max-width:590px;margin:0}
    .dark .section-intro{color:#aeb7a5}
    .focus-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}
    .focus-card{min-height:320px;border-radius:var(--radius);padding:28px;background:linear-gradient(140deg,#30372a,#788f43);color:white;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}
    .focus-card:before{content:"资讯";position:absolute;right:28px;top:22px;font-size:70px;font-weight:900;color:rgba(199,244,90,.15)}
    .focus-card h3{font-size:27px;max-width:520px;line-height:1.3;margin:9px 0}
    .focus-card p{color:#e2ead7;max-width:520px;margin:0}
    .mini-stack{display:grid;gap:18px}
    .mini-news{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.22s}
    .mini-news:hover,.news-card:hover,.rank-item:hover,.topic-link:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bbd36f}
    .mini-news h3,.news-card h3{font-size:19px;line-height:1.4;margin:8px 0}
    .mini-news p,.news-card p{color:var(--muted);font-size:14px;margin:0}
    .meta{font-size:12px;color:#858d7d;margin-top:12px}
    .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .news-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:20px;min-height:205px;transition:.22s;display:flex;flex-direction:column}
    .news-card .meta{margin-top:auto;padding-top:18px}
    .tag{display:inline-block;padding:3px 9px;border-radius:20px;background:var(--mint);font-size:12px;color:#4b5e2d}
    .tag.hot{background:#ffe2d5;color:#a34c29}
    .more-link{display:inline-flex;margin-top:25px;font-weight:750;border-bottom:2px solid var(--lime);padding-bottom:3px}
    .rank-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:start}
    .rank-list{display:grid;gap:8px}
    .rank-item{display:grid;grid-template-columns:42px 1fr auto;gap:14px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:13px;padding:15px 17px;transition:.2s}
    .rank-num{font-size:22px;font-weight:850;color:#8c967e}
    .rank-item:nth-child(-n+3) .rank-num{color:#a34c29}
    .rank-item h3{font-size:16px;margin:0}
    .rank-item small{display:block;color:var(--muted);font-size:12px}
    .timeline{border-left:2px solid #c9db8d;padding-left:28px;display:grid;gap:24px}
    .timeline-item{position:relative}
    .timeline-item:before{content:"";position:absolute;width:11px;height:11px;background:var(--orange);border:3px solid var(--paper);border-radius:50%;left:-35px;top:7px}
    .timeline-item b{color:#8c542e;font-size:13px}
    .timeline-item h3{margin:3px 0;font-size:18px}
    .timeline-item p{color:var(--muted);margin:0;font-size:14px}
    .tips{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .tip{padding:23px;border:1px solid #cfddae;border-radius:16px;background:rgba(255,255,255,.45)}
    .tip strong{display:block;font-size:18px;margin-bottom:7px}
    .tip p{margin:0;color:#626c55;font-size:14px}
    .category-links{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .topic-link{display:flex;align-items:center;justify-content:space-between;padding:21px;background:var(--white);border:1px solid var(--line);border-radius:14px;font-weight:750;transition:.2s}
    .topic-link span:last-child{color:#819d43;font-size:20px}
    .download-box{display:flex;align-items:center;justify-content:space-between;gap:30px;background:var(--ink);color:white;border-radius:22px;padding:30px 34px}
    .download-box h2{margin:0 0 8px;font-size:28px}
    .download-box p{color:#adb7a6;margin:0}
    .download-info{display:flex;align-items:center;gap:18px}
    .qr{width:76px;height:76px;border-radius:10px;background:repeating-linear-gradient(45deg,#fff 0 4px,#161813 4px 8px);border:7px solid white}
    .footer{background:var(--ink);color:white;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:35px}
    .footer h3{font-size:15px;margin:0 0 15px}
    .footer p,.footer a{font-size:13px;color:#aeb7a5}
    .footer a{display:block;margin:7px 0}
    .footer a:hover{color:var(--lime)}
    .copyright{border-top:1px solid #373d32;margin-top:35px;padding-top:18px;color:#8e9887;font-size:12px}
    @media(max-width:992px){
      .nav{gap:0}.nav a{padding:8px 8px;font-size:13px}
      .focus-grid,.rank-layout{grid-template-columns:1fr}
      .category-links{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:768px){
      .container{width:min(100% - 36px,600px)}
      .site-header{height:68px}
      .nav{display:none;position:absolute;left:18px;right:18px;top:64px;padding:12px;background:var(--white);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav.open{display:flex}.nav a{padding:12px}
      .head-actions .btn{display:none}.menu-btn{display:block}
      .page-head{padding:48px 0 40px}.section{padding:58px 0}
      .news-grid,.tips{grid-template-columns:1fr}
      .download-box{align-items:flex-start;flex-direction:column;padding:26px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media(max-width:520px){
      .brand span:last-child{font-size:14px}.brand-mark{width:32px;height:32px}
      .page-head h1{font-size:37px}.page-head p{font-size:15px}
      .focus-card{min-height:290px;padding:22px}.focus-card h3{font-size:23px}
      .category-links{grid-template-columns:1fr}
      .download-info{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr}
      .search-panel{left:18px;right:18px}.search-panel input{width:100%;min-width:0}
    }

/* roulang page: article */
:root{
      --ink:#161813;
      --muted:#686d63;
      --paper:#f5f5ee;
      --line:#dfe4d5;
      --lime:#c7f45a;
      --mint:#e9f2d4;
      --orange:#ff9562;
      --white:#fff;
      --soft:#eef1e8;
      --shadow:0 16px 40px rgba(22,24,19,.09);
      --shadow-lg:0 24px 60px rgba(22,24,19,.14);
      --radius:18px;
      --ease:.22s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--paper);
      color:var(--ink);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;
      line-height:1.65;
      font-size:16px;
    }
    a{color:inherit;text-decoration:none}
    a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1200px,calc(100% - 48px));margin:auto}
    .site-header{
      height:78px;
      background:rgba(245,245,238,.94);
      border-bottom:1px solid var(--line);
      display:flex;
      align-items:center;
      position:sticky;
      top:0;
      z-index:20;
      backdrop-filter:blur(14px);
    }
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:26px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{
      width:35px;height:35px;border-radius:11px;background:var(--ink);color:var(--lime);
      display:grid;place-items:center;font-size:18px
    }
    .brand span:last-child{font-size:16px}
    .nav{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav a{padding:9px 13px;color:#555a50;font-size:14px;border-radius:10px;transition:var(--ease)}
    .nav a:hover,.nav a.active{background:var(--ink);color:var(--lime)}
    .head-actions{display:flex;align-items:center;gap:10px}
    .search-btn{
      width:40px;height:40px;background:transparent;border:1px solid var(--line);
      border-radius:11px;font-size:18px;transition:var(--ease)
    }
    .search-btn:hover{background:var(--white);border-color:#b9c69e}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:45px;padding:0 20px;border-radius:12px;font-weight:750;
      transition:var(--ease);border:1px solid transparent
    }
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#d9ff83;transform:translateY(-2px)}
    .btn-dark{background:var(--ink);color:var(--lime)}
    .btn-dark:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(22,24,19,.18)}
    .btn-outline{border-color:#aeb7a0;background:transparent}
    .btn-outline:hover{border-color:var(--ink);background:var(--white)}
    .menu-btn{display:none;background:var(--ink);color:var(--lime);width:40px;height:40px;border-radius:10px}
    .search-panel{
      display:none;position:absolute;right:24px;top:68px;background:white;
      border:1px solid var(--line);padding:12px;border-radius:13px;box-shadow:var(--shadow)
    }
    .search-panel.show{display:flex}
    .search-panel input{border:1px solid var(--line);padding:10px 12px;border-radius:9px;min-width:240px;background:var(--paper)}
    .article-top{padding:48px 0 34px;background:var(--paper);border-bottom:1px solid var(--line)}
    .crumbs{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:25px}
    .crumbs a:hover{color:var(--ink)}
    .crumbs .current{color:var(--ink);max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .article-heading{max-width:900px}
    .article-heading h1{
      font-size:clamp(34px,5vw,56px);line-height:1.16;letter-spacing:-.06em;
      margin:12px 0 19px;max-width:900px
    }
    .eyebrow,.section-kicker{
      font-size:13px;letter-spacing:.12em;text-transform:uppercase;
      color:#6b755b;font-weight:800
    }
    .article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:13px}
    .tag{display:inline-block;padding:3px 10px;border-radius:20px;background:var(--mint);font-size:12px;color:#4b5e2d}
    .tag.hot{background:#ffe2d5;color:#a34c29}
    .article-layout{
      display:grid;grid-template-columns:minmax(0,820px) 230px;gap:55px;
      align-items:start;padding:54px 0 85px
    }
    .article-main{min-width:0}
    .summary-box{
      background:var(--mint);border:1px solid #d5e4b5;border-radius:16px;
      padding:24px 27px;margin-bottom:35px;position:relative
    }
    .summary-box:before{content:"摘";position:absolute;right:22px;top:12px;color:#bfdc72;font-size:38px;font-weight:900;opacity:.6}
    .summary-box strong{display:block;font-size:14px;margin-bottom:6px}
    .summary-box p{margin:0;color:#4e5845;font-size:16px;max-width:720px}
    .reading-progress{height:4px;background:#e3e7dc;border-radius:4px;overflow:hidden;margin-bottom:28px}
    .reading-progress span{display:block;width:62%;height:100%;background:var(--lime);border-radius:4px}
    .article-content{
      font-size:17px;line-height:1.9;color:#30352c
    }
    .article-content h2{
      font-size:30px;line-height:1.3;letter-spacing:-.04em;margin:42px 0 16px;
      padding-left:16px;border-left:5px solid var(--lime)
    }
    .article-content h3{font-size:22px;line-height:1.4;margin:29px 0 10px}
    .article-content p{margin:0 0 20px}
    .article-content ul,.article-content ol{padding-left:26px;margin:10px 0 24px}
    .article-content li{margin:7px 0}
    .article-content blockquote{
      margin:26px 0;padding:18px 22px;background:var(--soft);
      border-left:4px solid var(--orange);border-radius:0 12px 12px 0;color:#555d50
    }
    .article-content img{width:100%;border-radius:12px;margin:27px 0 8px}
    .article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;background:var(--white)}
    .article-content th,.article-content td{border:1px solid var(--line);padding:11px 13px;text-align:left}
    .article-content th{background:var(--mint)}
    .article-content a{color:#617d27;text-decoration:underline;text-decoration-color:#b9d967;text-underline-offset:3px}
    .toc{
      position:sticky;top:105px;border-left:1px solid var(--line);padding-left:22px;
      color:var(--muted);font-size:13px
    }
    .toc strong{display:block;color:var(--ink);font-size:14px;margin-bottom:14px}
    .toc a{display:block;padding:7px 0;transition:var(--ease)}
    .toc a:hover{color:var(--ink);padding-left:4px}
    .download-card{
      display:flex;align-items:center;justify-content:space-between;gap:25px;
      background:var(--ink);color:white;border-radius:18px;padding:24px 27px;margin:48px 0 0
    }
    .download-card h3{margin:0 0 5px;font-size:20px}
    .download-card p{margin:0;color:#aeb7a5;font-size:13px}
    .download-icon{
      width:46px;height:46px;background:var(--lime);color:var(--ink);
      border-radius:13px;display:grid;place-items:center;font-size:23px;flex:none
    }
    .related-section{padding:72px 0;background:var(--mint)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:27px}
    .section h2{font-size:clamp(28px,3vw,38px);line-height:1.2;letter-spacing:-.045em;margin:8px 0 0}
    .section-intro{color:var(--muted);max-width:560px}
    .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .info-card{
      background:var(--white);border:1px solid var(--line);border-radius:16px;
      padding:20px;transition:var(--ease);min-height:170px;display:flex;flex-direction:column
    }
    .info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bbd36f}
    .info-card h3{margin:7px 0;font-size:18px;line-height:1.4}
    .info-card p{color:var(--muted);font-size:14px;margin:0}
    .meta{font-size:12px;color:#858d7d;margin-top:auto;padding-top:14px}
    .return-section{padding:45px 0 70px}
    .return-box{
      display:flex;align-items:center;justify-content:space-between;gap:20px;
      border-top:1px solid var(--line);padding-top:28px
    }
    .return-box h2{font-size:22px;margin:0 0 4px}
    .return-box p{margin:0;color:var(--muted);font-size:14px}
    .return-links{display:flex;gap:10px;flex-wrap:wrap}
    .not-found{text-align:center;padding:80px 20px;background:var(--white);border:1px solid var(--line);border-radius:18px}
    .not-found h2{font-size:28px;margin:0 0 12px}
    .not-found p{color:var(--muted);margin:0 0 22px}
    .footer{background:var(--ink);color:white;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:35px}
    .footer h3{font-size:15px;margin:0 0 15px}
    .footer p,.footer a{font-size:13px;color:#aeb7a5}
    .footer a{display:block;margin:7px 0}
    .footer a:hover{color:var(--lime)}
    .copyright{border-top:1px solid #373d32;margin-top:35px;padding-top:18px;color:#8e9887;font-size:12px}
    @media(max-width:992px){
      .nav{gap:0}
      .nav a{padding:8px 9px;font-size:13px}
      .article-layout{grid-template-columns:minmax(0,1fr);gap:25px}
      .toc{position:static;border:1px solid var(--line);border-radius:14px;padding:16px 18px;order:-1;background:var(--white)}
      .toc a{display:inline-block;margin-right:18px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 36px,620px)}
      .site-header{height:68px}
      .nav{
        display:none;position:absolute;left:18px;right:18px;top:62px;
        background:var(--white);border:1px solid var(--line);border-radius:15px;
        padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch
      }
      .nav.open{display:flex}
      .nav a{padding:11px 13px}
      .head-actions .btn{display:none}
      .menu-btn{display:block}
      .search-panel{top:60px;right:18px;left:18px}
      .search-panel input{width:100%;min-width:0}
      .article-top{padding:35px 0 27px}
      .article-heading h1{font-size:38px}
      .article-layout{padding:35px 0 58px}
      .article-content{font-size:16px}
      .article-content h2{font-size:27px}
      .related-grid{grid-template-columns:1fr}
      .download-card,.return-box{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }
    @media(max-width:520px){
      .container{width:calc(100% - 32px)}
      .brand span:last-child{font-size:14px}
      .brand-mark{width:32px;height:32px}
      .search-btn{display:none}
      .article-heading h1{font-size:32px}
      .crumbs .current{max-width:180px}
      .summary-box{padding:20px}
      .download-card{padding:21px}
      .download-card .btn{width:100%}
      .footer-grid{grid-template-columns:1fr}
    }

/* roulang page: category2 */
:root{--ink:#161813;--muted:#686d63;--paper:#f5f5ee;--line:#dfe4d5;--lime:#c7f45a;--mint:#e9f2d4;--orange:#ff9562;--white:#fff;--shadow:0 16px 40px rgba(22,24,19,.09);--radius:18px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1200px,calc(100% - 48px));margin:auto}
    .site-header{height:78px;background:rgba(245,245,238,.95);border-bottom:1px solid var(--line);display:flex;align-items:center;position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:26px}
    .brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
    .brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-size:18px}
    .brand span:last-child{font-size:16px}
    .nav{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav a{padding:9px 13px;color:#555a50;font-size:14px;border-radius:10px;transition:.2s}
    .nav a:hover,.nav a.active{background:var(--ink);color:var(--lime)}
    .head-actions{display:flex;align-items:center;gap:10px}
    .search-btn{width:40px;height:40px;background:transparent;border:1px solid var(--line);border-radius:11px;font-size:18px}
    .search-btn:hover{background:var(--white);border-color:#b7c18c}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 20px;border-radius:12px;font-weight:750;transition:.22s;border:1px solid transparent}
    .btn-primary{background:var(--lime);color:var(--ink)}
    .btn-primary:hover{background:#d9ff83;transform:translateY(-2px)}
    .btn-dark{background:var(--ink);color:var(--lime)}
    .btn-dark:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(22,24,19,.18)}
    .btn-outline{border-color:#aeb7a0;background:transparent}
    .btn-outline:hover{border-color:var(--ink);background:var(--white)}
    .menu-btn{display:none;background:var(--ink);color:var(--lime);width:40px;height:40px;border-radius:10px}
    .search-panel{display:none;position:absolute;right:24px;top:68px;background:var(--white);border:1px solid var(--line);padding:12px;border-radius:13px;box-shadow:var(--shadow)}
    .search-panel.show{display:flex}
    .search-panel input{width:240px;border:1px solid var(--line);padding:10px 12px;border-radius:9px;outline:none}
    .search-panel input:focus{border-color:#9bb74a;box-shadow:0 0 0 3px rgba(199,244,90,.3)}
    .category-head{padding:70px 0 58px;background:var(--mint);border-bottom:1px solid var(--line)}
    .eyebrow,.section-kicker{font-size:13px;letter-spacing:.12em;color:#6b755b;font-weight:800}
    .category-head h1{font-size:clamp(38px,5vw,62px);line-height:1.08;letter-spacing:-.06em;margin:14px 0 18px;max-width:760px}
    .category-head p{color:var(--muted);font-size:17px;max-width:700px;margin:0}
    .head-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
    .tag{display:inline-block;padding:4px 11px;border-radius:20px;background:var(--mint);font-size:12px;color:#4b5e2d}
    .tag.hot{background:#ffe2d5;color:#a34c29}
    .section{padding:78px 0}
    .section.alt{background:var(--mint)}
    .section.dark{background:var(--ink);color:#fff}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:28px}
    .section h2{font-size:clamp(28px,3vw,38px);line-height:1.2;letter-spacing:-.045em;margin:8px 0 0}
    .section-intro{color:var(--muted);max-width:560px}
    .dark .section-intro{color:#aeb7a5}
    .feature-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr;gap:16px}
    .feature-card{min-height:285px;border-radius:var(--radius);padding:25px;display:flex;flex-direction:column;justify-content:end;overflow:hidden;position:relative;background:#3c4631;color:#fff}
    .feature-card:before{content:"";position:absolute;width:210px;height:210px;border:1px solid rgba(199,244,90,.45);border-radius:50%;right:-50px;top:-70px}
    .feature-card:nth-child(2){background:#e4c4a8;color:var(--ink)}
    .feature-card:nth-child(3){background:#adbda2;color:var(--ink)}
    .feature-card h3{font-size:23px;margin:7px 0;position:relative}
    .feature-card p{margin:0;max-width:330px;color:inherit;opacity:.82;font-size:14px;position:relative}
    .version-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:22px;align-items:stretch}
    .download-panel{background:var(--ink);color:#fff;border-radius:22px;padding:32px;display:flex;flex-direction:column;justify-content:space-between;min-height:310px}
    .download-panel h2{margin:8px 0 12px}
    .download-panel p{color:#b7c0ae;margin:0 0 22px}
    .download-actions{display:flex;flex-wrap:wrap;gap:10px}
    .qr-box{width:104px;height:104px;background:repeating-linear-gradient(45deg,#fff 0 5px,#dfe7d5 5px 9px);border:8px solid #fff;border-radius:9px;margin-bottom:20px}
    .support-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}
    .support-tags span{border:1px solid #4a5341;border-radius:30px;padding:5px 10px;font-size:12px;color:#d8e2cc}
    .timeline{border-left:2px solid #b6d75e;padding-left:28px;display:grid;gap:23px;background:var(--white);border-radius:18px;padding-top:25px;padding-bottom:25px;padding-right:25px;border:1px solid var(--line)}
    .timeline-item{position:relative}
    .timeline-item:before{content:"";position:absolute;width:11px;height:11px;background:var(--orange);border:3px solid var(--paper);border-radius:50%;left:-35px;top:8px}
    .timeline-item b{color:#8c542e;font-size:13px}
    .timeline-item h3{margin:3px 0;font-size:18px}
    .timeline-item p{margin:0;color:var(--muted);font-size:14px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .step{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px;transition:.22s}
    .step:hover,.article-card:hover,.device:hover,.topic:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bbd36f}
    .step-no{font-size:34px;color:#8da846;font-weight:850;line-height:1}
    .step h3{font-size:18px;margin:18px 0 7px}
    .step p,.article-card p,.device p{color:var(--muted);font-size:14px;margin:0}
    .device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .device{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px;transition:.22s}
    .device-icon{height:78px;border:3px solid var(--ink);border-radius:16px;width:56px;margin-bottom:20px;position:relative}
    .device-icon:after{content:"";position:absolute;width:18px;height:3px;background:var(--lime);bottom:7px;left:16px;border-radius:4px}
    .device:nth-child(2) .device-icon{width:92px;height:65px;border-radius:10px}
    .device:nth-child(3) .device-icon{width:92px;height:58px;border-radius:7px}
    .device h3{margin:0 0 6px;font-size:19px}
    .article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px;transition:.22s}
    .article-card h3{font-size:19px;line-height:1.4;margin:12px 0 8px}
    .article-card .meta{font-size:12px;color:#858d7d;margin-top:17px}
    .faq{max-width:820px;margin:auto}
    .faq details{border-bottom:1px solid var(--line);padding:19px 0}
    .faq summary{cursor:pointer;font-weight:750;list-style:none;display:flex;justify-content:space-between}
    .faq summary::-webkit-details-marker{display:none}
    .faq summary:after{content:"＋";color:#758d42}
    .faq details[open] summary:after{content:"−"}
    .faq p{color:var(--muted);margin:12px 35px 0 0}
    .related{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .related a{background:var(--white);border:1px solid var(--line);border-radius:13px;padding:17px;font-weight:750;transition:.2s}
    .related a:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
    .footer{background:var(--ink);color:#fff;padding:55px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:35px}
    .footer h3{font-size:15px;margin:0 0 15px}
    .footer p,.footer a{font-size:13px;color:#aeb7a5}
    .footer a{display:block;margin:7px 0}
    .footer a:hover{color:var(--lime)}
    .copyright{border-top:1px solid #373d32;margin-top:35px;padding-top:18px;color:#8e9887;font-size:12px}
    .focus-link{font-weight:750;text-decoration:underline;text-decoration-color:#abc94e;text-underline-offset:4px}
    :focus-visible{outline:3px solid var(--orange);outline-offset:3px}
    @media(max-width:992px){.nav{gap:0}.nav a{padding:8px}.game-grid,.feature-grid{grid-template-columns:1fr 1fr}.feature-card:first-child{grid-column:span 2}.steps{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.site-header{height:70px}.container{width:min(100% - 36px,1200px)}.nav{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);padding:12px 18px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.open{display:flex}.nav a{padding:12px}.menu-btn{display:block}.head-actions .btn{min-height:40px;padding:0 13px;font-size:13px}.category-head{padding:52px 0 45px}.section{padding:60px 0}.version-grid,.device-grid,.article-grid,.related{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr}.feature-card:first-child{grid-column:auto}.feature-card{min-height:220px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px}.search-panel{right:18px;top:62px}}
    @media(max-width:520px){.brand span:last-child{font-size:14px}.brand-mark{width:32px;height:32px}.head-actions .search-btn{display:none}.category-head h1{font-size:38px}.section-head{display:block}.section-head .btn{margin-top:18px}.steps{grid-template-columns:1fr}.download-panel{padding:25px}.footer-grid{grid-template-columns:1fr}.copyright{line-height:1.8}}

/* roulang page: category3 */
:root{--ink:#161813;--muted:#686d63;--paper:#f5f5ee;--line:#dfe4d5;--lime:#c7f45a;--mint:#e9f2d4;--orange:#ff9562;--white:#fff;--shadow:0 16px 40px rgba(22,24,19,.09);--radius:18px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.65}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1200px,calc(100% - 48px));margin:auto}
.site-header{height:78px;background:rgba(245,245,238,.94);border-bottom:1px solid var(--line);display:flex;align-items:center;position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:26px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.03em;white-space:nowrap}
.brand-mark{width:35px;height:35px;border-radius:11px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-size:18px}
.brand span:last-child{font-size:16px}
.nav{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav a{padding:9px 13px;color:#555a50;font-size:14px;border-radius:10px;transition:.2s}
.nav a:hover,.nav a.active{background:var(--ink);color:var(--lime)}
.head-actions{display:flex;gap:9px;align-items:center}
.search-btn{width:40px;height:40px;background:transparent;border:1px solid var(--line);border-radius:11px;font-size:20px;line-height:1;transition:.2s}
.search-btn:hover{border-color:var(--ink);background:var(--white)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 20px;border-radius:12px;font-weight:750;transition:.22s;border:1px solid transparent}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{background:#d9ff83;transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:var(--lime)}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(22,24,19,.18)}
.btn-outline{border-color:#aeb7a0;background:transparent;color:var(--ink)}
.btn-outline:hover{border-color:var(--ink);background:var(--white);transform:translateY(-1px)}
.menu-btn{display:none;background:var(--ink);color:var(--lime);width:40px;height:40px;border-radius:10px}
.search-panel{display:none;position:absolute;right:24px;top:68px;background:white;border:1px solid var(--line);padding:12px;border-radius:13px;box-shadow:var(--shadow)}
.search-panel.show{display:flex}
.search-panel input{width:260px;border:1px solid var(--line);padding:10px 12px;border-radius:9px;outline:none}
.search-panel input:focus{border-color:#9ab945;box-shadow:0 0 0 3px rgba(199,244,90,.28)}
.section{padding:82px 0}
.section.alt{background:var(--mint)}
.section.dark{background:var(--ink);color:var(--white)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:29px}
.section-kicker{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#6b755b;font-weight:800}
.section h2{font-size:clamp(28px,3vw,38px);line-height:1.2;letter-spacing:-.045em;margin:7px 0 0}
.section-intro{max-width:535px;color:var(--muted);margin:0}
.dark .section-intro{color:#b5bcad}
.tag{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:99px;background:var(--mint);font-size:12px;font-weight:700;color:#4b5e2d}
.tag.hot{background:#ffe2d5;color:#a34c29}
.tag.dark-tag{background:#32382d;color:var(--lime)}
.meta{font-size:12px;color:#858d7d}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#bbd36f}
.category-top{padding:66px 0 46px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.category-top:before{content:"";position:absolute;width:350px;height:350px;border:1px solid #d9e5bb;border-radius:50%;right:7%;top:-220px}
.category-top:after{content:"";position:absolute;width:140px;height:140px;background:radial-gradient(circle,#c7f45a 1px,transparent 1.5px);background-size:13px 13px;opacity:.5;right:17%;bottom:-52px}
.breadcrumb{position:relative;z-index:1;color:var(--muted);font-size:13px;margin-bottom:22px}
.breadcrumb span{margin:0 8px;color:#9da396}
.category-heading{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:25px;align-items:end}
.category-heading h1{font-size:clamp(40px,5vw,56px);line-height:1.08;letter-spacing:-.065em;margin:8px 0 16px}
.category-heading p{max-width:720px;color:var(--muted);font-size:17px;margin:0}
.update-chip{border:1px solid var(--line);background:var(--white);padding:12px 16px;border-radius:14px;font-size:13px;color:#586052;white-space:nowrap}
.topic-nav{display:flex;flex-wrap:wrap;gap:10px}
.topic-nav span{border:1px solid var(--line);background:var(--white);padding:10px 15px;border-radius:12px;font-weight:700;font-size:14px;transition:.2s}
.topic-nav span:hover{border-color:#9ebd51;background:var(--mint)}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}
.guide-card{padding:0;display:flex;flex-direction:column;min-height:285px}
.guide-number{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 11px;color:#758d42;font-weight:850;font-size:14px}
.guide-number b{font-size:24px;letter-spacing:-.06em;color:#b3c99a}
.guide-card-body{padding:0 20px 20px;display:flex;flex:1;flex-direction:column}
.guide-card h3{font-size:19px;line-height:1.4;margin:7px 0 10px;letter-spacing:-.025em}
.guide-card p{font-size:14px;color:var(--muted);margin:0 0 17px}
.guide-card .card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.text-link{font-size:14px;font-weight:800;color:#526d20;transition:.2s}
.text-link:hover{color:var(--ink);letter-spacing:.02em}
.list-more{text-align:center;margin-top:28px}
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step-card{padding:25px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);position:relative;min-height:210px}
.step-card:after{content:"";width:28px;height:1px;background:#b6c796;position:absolute;right:-23px;top:50px}
.step-card:last-child:after{display:none}
.step-index{width:38px;height:38px;border-radius:12px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-size:14px;font-weight:800;margin-bottom:22px}
.step-card h3{font-size:19px;margin:0 0 8px}
.step-card p{margin:0;color:var(--muted);font-size:14px}
.quick-answer{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
.answer-item{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:19px 20px;transition:.2s}
.answer-item:hover{border-color:#b8cf7a;background:#fbfdf5}
.answer-item h3{font-size:16px;margin:0 0 6px}
.answer-item p{font-size:14px;color:var(--muted);margin:0}
.recommend-layout{display:grid;grid-template-columns:.9fr 1.5fr;gap:24px;align-items:stretch}
.recommend-feature{border-radius:var(--radius);padding:31px;background:linear-gradient(145deg,#343b2e,#182017);color:var(--white);display:flex;flex-direction:column;justify-content:end;min-height:330px;position:relative;overflow:hidden}
.recommend-feature:before{content:"◉  ✦  ◌";position:absolute;right:20px;top:20px;color:var(--lime);font-size:24px;letter-spacing:8px;opacity:.75}
.recommend-feature p{color:#c1c9ba;max-width:370px;margin:10px 0 21px}
.recommend-feature h2{font-size:31px}
.recommend-list{display:grid;gap:13px}
.recommend-item{background:var(--white);border:1px solid var(--line);border-radius:15px;padding:17px;display:grid;grid-template-columns:52px 1fr auto;gap:14px;align-items:center;transition:.2s}
.recommend-item:hover{transform:translateX(4px);border-color:#b9d070;box-shadow:0 9px 24px rgba(22,24,19,.06)}
.thumb{width:52px;height:52px;border-radius:13px;background:linear-gradient(135deg,#c7f45a,#617442);display:grid;place-items:center;font-size:20px}
.thumb.orange{background:linear-gradient(135deg,#ff9562,#7b4d3b)}
.thumb.gray{background:linear-gradient(135deg,#d5d9d0,#72796f)}
.recommend-item h3{font-size:16px;line-height:1.4;margin:0 0 3px}
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}
.channel-link{background:var(--white);border:1px solid var(--line);border-radius:15px;padding:22px 18px;display:flex;justify-content:space-between;align-items:center;font-weight:800;transition:.22s}
.channel-link b{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--mint);color:#586d2b;transition:.22s}
.channel-link:hover{transform:translateY(-3px);border-color:#a8c55b;box-shadow:var(--shadow)}
.channel-link:hover b{background:var(--lime);color:var(--ink)}
.download-box{background:var(--ink);color:var(--white);border-radius:25px;padding:37px 42px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center;position:relative;overflow:hidden}
.download-box:after{content:"";width:220px;height:220px;border:1px solid #4d5940;border-radius:50%;position:absolute;right:-62px;bottom:-112px}
.download-box h2{font-size:clamp(28px,3vw,38px);margin:8px 0 10px;position:relative;z-index:1}
.download-box p{margin:0;color:#b7c0ad;position:relative;z-index:1}
.download-info{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:17px;position:relative;z-index:1}
.download-info span{font-size:12px;color:#cbd5bc;border:1px solid #4a5541;border-radius:20px;padding:4px 9px}
.download-box .btn{position:relative;z-index:1;white-space:nowrap}
.footer{background:var(--ink);color:white;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:35px}
.footer h3{font-size:15px;margin:0 0 15px}
.footer p,.footer a{font-size:13px;color:#aeb7a5}
.footer a{display:block;margin:7px 0}
.footer a:hover{color:var(--lime)}
.copyright{border-top:1px solid #373d32;margin-top:35px;padding-top:18px;color:#8e9887;font-size:12px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(199,244,90,.75);outline-offset:3px}
@media(max-width:1024px){
  .nav{gap:0}.nav a{padding:8px 9px}.guide-grid{grid-template-columns:repeat(2,1fr)}.channel-grid{grid-template-columns:repeat(2,1fr)}.recommend-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .container{width:min(100% - 32px,1200px)}.site-header{height:68px}.nav{display:none;position:absolute;left:0;right:0;top:58px;background:var(--paper);border:1px solid var(--line);border-radius:15px;padding:10px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav.show{display:flex}.nav a{padding:12px}.menu-btn{display:grid;place-items:center}.head-actions .btn{padding:0 13px;min-height:40px;font-size:13px}.search-btn{width:40px;height:40px}.category-top{padding:48px 0 38px}.category-heading{grid-template-columns:1fr}.update-chip{justify-self:start}.section{padding:62px 0}.section-head{display:block}.section-intro{margin-top:15px}.step-grid{grid-template-columns:1fr}.step-card:after{width:1px;height:24px;left:38px;top:auto;bottom:-21px}.quick-answer{grid-template-columns:1fr}.download-box{grid-template-columns:1fr;padding:30px 25px}.download-box .btn{justify-self:start}.footer-grid{grid-template-columns:1fr 1fr}.search-panel{right:16px;top:60px}.search-panel input{width:min(240px,calc(100vw - 64px))}
}
@media(max-width:520px){
  .brand span:last-child{font-size:13px}.brand-mark{width:31px;height:31px;border-radius:9px}.head-actions{gap:6px}.head-actions .search-btn{display:none}.head-actions .btn{padding:0 11px;font-size:12px}.category-heading h1{font-size:38px}.guide-grid,.channel-grid,.footer-grid{grid-template-columns:1fr}.recommend-item{grid-template-columns:46px 1fr}.recommend-item .text-link{display:none}.thumb{width:46px;height:46px}.topic-nav span{padding:8px 11px;font-size:13px}.section h2{font-size:29px}.footer{padding-top:42px}
}