/* roulang page: index */
:root{
      --ink:#1d2421;
      --ink-soft:#59625d;
      --night:#171c1a;
      --night-2:#232a26;
      --paper:#f4f2ec;
      --paper-2:#ebe9e0;
      --lime:#c9f15a;
      --lime-dark:#a7ce39;
      --coral:#ef765b;
      --line:#d9d8ce;
      --white:#fffefa;
      --radius:18px;
      --shadow:0 18px 45px rgba(22,29,25,.10);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:hover{text-decoration:underline;text-underline-offset:4px}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    :focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    .container{width:min(1180px,calc(100% - 44px));margin:auto}
    .notice{background:var(--lime);color:var(--ink);height:38px;overflow:hidden}
    .notice-inner{height:38px;display:flex;align-items:center;gap:18px;white-space:nowrap;font-size:13px}
    .notice strong{font-weight:800;letter-spacing:.04em}
    .notice span{color:#4d5c25}
    header{background:var(--night);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;white-space:nowrap}
    .logo-mark{width:28px;height:28px;border:3px solid var(--lime);border-radius:7px;position:relative;transform:skew(-12deg)}
    .logo-mark:after{content:"";position:absolute;left:5px;right:3px;top:10px;border-top:3px solid var(--lime);transform:rotate(-25deg)}
    nav{display:flex;align-items:center;gap:24px;font-size:14px}
    nav a{color:#d8ddd9;padding:27px 0;position:relative}
    nav a:hover,nav a.active{color:var(--lime);text-decoration:none}
    nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:3px;border-radius:3px;background:var(--lime)}
    .nav-cta,.btn-primary{background:var(--lime);color:var(--ink);font-weight:800;border-radius:10px;padding:11px 17px;transition:var(--ease);display:inline-flex;align-items:center;justify-content:center;min-height:44px}
    .nav-cta:hover,.btn-primary:hover{background:#dcff7b;transform:translateY(-2px);text-decoration:none;box-shadow:0 8px 20px rgba(201,241,90,.18)}
    .menu-toggle{display:none;background:transparent;color:var(--white);font-size:26px;min-width:44px;min-height:44px}
    .hero{background:var(--night);color:var(--white);padding:78px 0 92px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(201,241,90,.18);border-radius:50%;right:-120px;top:-220px}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative}
    .eyebrow,.section-kicker{font-size:12px;text-transform:uppercase;letter-spacing:.16em;color:var(--lime);font-weight:800}
    h1{font-size:clamp(38px,5vw,68px);line-height:1.16;letter-spacing:-.04em;margin:17px 0 22px;max-width:700px}
    .hero-copy{color:#c8cfca;font-size:17px;max-width:590px}
    .hero-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
    .btn-ghost{border:1px solid #59635d;color:var(--white);border-radius:10px;padding:10px 17px;min-height:44px;display:inline-flex;align-items:center;transition:var(--ease)}
    .btn-ghost:hover{border-color:var(--lime);color:var(--lime);text-decoration:none}
    .hero-art{min-height:350px;border:1px solid #46504a;border-radius:24px;background:#202723;position:relative;padding:22px;box-shadow:var(--shadow)}
    .art-top{display:flex;justify-content:space-between;color:#aab4ac;font-size:12px;border-bottom:1px solid #3b443f;padding-bottom:14px}
    .pulse{color:var(--lime);font-weight:700}
    .score-lines{margin-top:30px;display:grid;gap:14px}
    .score-row{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:13px;padding:15px;border-radius:12px;background:#2b332e}
    .score-row b{font-size:14px}.score-row small{color:#9ba79e}.score-row strong{font-size:22px;color:var(--lime);font-family:monospace}
    .art-bottom{position:absolute;bottom:22px;left:22px;right:22px;display:flex;justify-content:space-between;color:#aab4ac;font-size:12px}
    .section{padding:94px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    h2{font-size:clamp(27px,3vw,42px);line-height:1.25;letter-spacing:-.03em;margin-top:8px}
    .section-intro{max-width:510px;color:var(--ink-soft)}
    .quick-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr 1fr;gap:14px}
    .quick-item{background:var(--white);padding:25px;border-radius:var(--radius);border:1px solid var(--line);transition:var(--ease)}
    .quick-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b8c78a}
    .number{font-family:monospace;color:var(--coral);font-weight:800;font-size:14px}
    .quick-item h3{font-size:19px;margin:22px 0 6px}.quick-item p{font-size:14px;color:var(--ink-soft)}
    .news-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .feature-news{min-height:340px;border-radius:var(--radius);padding:30px;background:var(--night);color:var(--white);position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:end}
    .feature-news:before{content:"";position:absolute;inset:0;background:linear-gradient(140deg,transparent 20%,rgba(201,241,90,.15) 100%);pointer-events:none}
    .feature-news>*{position:relative}
    .tag{display:inline-flex;align-items:center;width:max-content;border-radius:30px;background:var(--lime);color:var(--ink);padding:4px 10px;font-size:12px;font-weight:800}
    .tag.coral{background:#ffd2c7}
    .feature-news h3{font-size:29px;line-height:1.35;margin:17px 0 8px;max-width:620px}
    .meta{font-size:12px;color:#9fa9a2}
    .news-list{display:grid;gap:10px}
    .news-row{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:17px 19px;transition:var(--ease)}
    .news-row:hover{border-color:var(--coral);transform:translateX(3px);text-decoration:none}
    .news-row h4{font-size:16px;line-height:1.5;margin:5px 0}
    .news-row p{font-size:13px;color:var(--ink-soft)}
    .guide{background:var(--paper-2)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid #c9c9be}
    .step{padding:27px 24px 15px 0;position:relative}
    .step:not(:last-child){border-right:1px solid #c9c9be;padding-right:25px;margin-right:25px}
    .step-no{font-family:monospace;color:var(--coral);font-size:24px;font-weight:800}
    .step h3{font-size:18px;margin:10px 0}.step p{font-size:14px;color:var(--ink-soft)}
    .download{background:var(--night);color:var(--white);border-radius:24px;padding:55px 62px;display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;align-items:center}
    .download h2{color:var(--white);margin:10px 0 14px}.download p{color:#b9c1ba}
    .device{height:245px;width:145px;border:7px solid #3a443e;border-radius:25px;margin:auto;position:relative;background:#111613;box-shadow:20px 20px 0 rgba(201,241,90,.16),-20px -15px 0 rgba(239,118,91,.13)}
    .device:before{content:"bsport";display:block;background:var(--lime);color:var(--ink);margin:31px 12px 13px;padding:5px;border-radius:6px;font-weight:800;font-size:12px;text-align:center}
    .device:after{content:"赛事资讯\\A 页面入口\\A 使用提示";white-space:pre;display:block;color:#aeb9af;font-size:11px;line-height:2.2;padding:0 18px}
    .download-info{display:grid;grid-template-columns:1fr 150px;gap:24px;align-items:center}
    .download-list{list-style:none;margin:22px 0}.download-list li{padding:7px 0;color:#c9d0ca;font-size:14px}.download-list li:before{content:"✓";color:var(--lime);font-weight:bold;margin-right:9px}
    .qr{height:126px;width:126px;border:1px dashed #82906d;border-radius:12px;display:grid;place-items:center;text-align:center;color:#aeb8a7;font-size:12px;padding:12px}
    .timeline{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .timeline-item{background:var(--white);border-left:4px solid var(--coral);padding:21px 24px;border-radius:0 14px 14px 0;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
    .timeline-item strong{font-size:13px;color:var(--coral)}.timeline-item h3{font-size:18px;margin:5px 0}.timeline-item p{font-size:14px;color:var(--ink-soft)}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
    .faq-list{display:grid;gap:10px}
    details{background:var(--white);border:1px solid var(--line);border-radius:13px;padding:0 20px}
    summary{list-style:none;cursor:pointer;padding:19px 25px 19px 0;font-weight:700;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"＋";position:absolute;right:0;color:var(--coral);font-size:20px}
    details[open] summary:after{content:"−"}details p{padding:0 0 19px;color:var(--ink-soft);font-size:14px}
    .safety{background:#deddd2;padding:28px 0}.safety-inner{display:flex;justify-content:space-between;gap:30px;align-items:center}.safety h3{font-size:20px}.safety p{color:var(--ink-soft);font-size:14px;max-width:760px}
    footer{background:var(--night);color:#aeb8b0;padding:52px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:40px}.footer-brand p{font-size:13px;max-width:270px;margin-top:15px}.footer-title{color:var(--white);font-weight:700;margin-bottom:13px}.footer-links{display:grid;gap:7px;font-size:13px}.footer-links a:hover{color:var(--lime)}.copyright{border-top:1px solid #353d38;padding-top:20px;font-size:12px;display:flex;justify-content:space-between;gap:20px}
    @media(max-width:992px){nav{gap:13px}.hero-grid{gap:35px}.quick-grid{grid-template-columns:repeat(2,1fr)}.download{padding:42px 35px;gap:35px}.faq-wrap{gap:35px}}
    @media(max-width:768px){.container{width:min(100% - 32px,620px)}.nav-wrap{height:68px}.menu-toggle{display:block}nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--night);padding:10px 20px 20px;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid #343d37}nav.open{display:flex}nav a{padding:12px 0}nav a.active:after{bottom:7px}.nav-cta{display:none}.hero{padding:55px 0 65px}.hero-grid,.news-layout,.download,.faq-wrap{grid-template-columns:1fr}.hero-art{min-height:300px}.section{padding:66px 0}.section-head{display:block}.section-intro{margin-top:12px}.steps{grid-template-columns:1fr 1fr}.step:not(:last-child){border-right:0;margin-right:0;padding-right:15px}.download-info{grid-template-columns:1fr}.qr{margin-top:5px}.timeline{grid-template-columns:1fr}.safety-inner{display:block}.safety .btn-ghost{margin-top:18px}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:8px}}
    @media(max-width:480px){h1{font-size:37px}.quick-grid,.steps,.footer-grid{grid-template-columns:1fr}.hero-actions a{width:100%}.hero-art{min-height:270px}.score-row{grid-template-columns:30px 1fr auto}.feature-news{min-height:330px;padding:23px}.feature-news h3{font-size:23px}.download{padding:35px 22px}.download-info{display:block}.qr{margin:20px auto 0}.notice-inner{overflow-x:auto}.section-head{margin-bottom:25px}}

/* roulang page: category1 */
:root{
      --ink:#1d2421;
      --ink-soft:#59625d;
      --night:#171c1a;
      --night-2:#232a26;
      --paper:#f4f2ec;
      --paper-2:#ebe9e0;
      --lime:#c9f15a;
      --lime-dark:#a7ce39;
      --coral:#ef765b;
      --line:#d9d8ce;
      --white:#fffefa;
      --radius:18px;
      --shadow:0 18px 45px rgba(22,29,25,.10);
      --ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:hover{text-decoration:underline;text-underline-offset:4px}
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1180px,calc(100% - 44px));margin:auto}
    header{background:var(--night);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
    .notice-bar{height:32px;background:#202722;color:#bfc9c1;font-size:12px;overflow:hidden}
    .notice-inner{height:32px;display:flex;align-items:center;gap:10px;white-space:nowrap}
    .notice-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block;box-shadow:0 0 0 4px rgba(201,241,90,.1)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;white-space:nowrap}
    .logo-mark{width:28px;height:28px;border:3px solid var(--lime);border-radius:7px;position:relative;transform:skew(-12deg)}
    .logo-mark:after{content:"";position:absolute;left:5px;right:3px;top:10px;border-top:3px solid var(--lime);transform:rotate(-25deg)}
    nav{display:flex;align-items:center;gap:24px;font-size:14px}
    nav a{color:#d8ddd9;padding:27px 0;position:relative}
    nav a:hover,nav a.active{color:var(--lime);text-decoration:none}
    nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:3px;border-radius:3px;background:var(--lime)}
    .nav-cta,.btn-primary{background:var(--lime);color:var(--ink);font-weight:800;border-radius:10px;padding:11px 17px;transition:var(--ease);display:inline-flex;align-items:center;justify-content:center;min-height:44px}
    .nav-cta:hover,.btn-primary:hover{background:#dcff7b;transform:translateY(-2px);text-decoration:none;box-shadow:0 8px 20px rgba(201,241,90,.18)}
    .menu-toggle{display:none;background:transparent;color:var(--white);font-size:26px;min-width:44px;min-height:44px}
    .hero{background:var(--night);color:var(--white);padding:72px 0 86px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(201,241,90,.18);border-radius:50%;right:-180px;top:-250px}
    .hero:after{content:"";position:absolute;width:260px;height:1px;background:var(--coral);right:10%;bottom:45px;transform:rotate(-20deg);opacity:.65}
    .hero-grid{display:grid;grid-template-columns:1fr .82fr;gap:72px;align-items:center;position:relative;z-index:1}
    .eyebrow,.section-kicker{font-size:12px;text-transform:uppercase;letter-spacing:.16em;color:var(--lime);font-weight:800}
    h1{font-size:clamp(40px,5vw,68px);line-height:1.16;letter-spacing:-.04em;margin:18px 0 20px;font-weight:850}
    h2{font-size:clamp(27px,3vw,42px);line-height:1.25;letter-spacing:-.025em;margin:10px 0 0}
    h3,h4{line-height:1.4}
    .hero-copy{color:#c8cfca;font-size:17px;max-width:590px}
    .hero-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
    .btn-ghost{border:1px solid #59635d;color:var(--white);border-radius:10px;padding:10px 17px;min-height:44px;display:inline-flex;align-items:center;transition:var(--ease)}
    .btn-ghost:hover{border-color:var(--lime);color:var(--lime);text-decoration:none}
    .guide-board{background:#202723;border:1px solid #46504a;border-radius:24px;padding:25px;box-shadow:var(--shadow)}
    .board-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:20px;border-bottom:1px solid #3a443d;color:#b5c0b7;font-size:13px}
    .board-status{color:var(--lime);font-size:12px}
    .board-list{display:grid;gap:11px;margin-top:18px}
    .board-item{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:13px;padding:15px;border-radius:12px;background:#2b332e}
    .board-num{color:var(--lime);font-family:monospace;font-size:16px}
    .board-item b{font-size:14px}
    .board-item small{display:block;color:#9ba79e;font-size:12px}
    .board-item strong{color:#f1f4ee;font-size:13px}
    .section{padding:92px 0}
    .section-alt{background:var(--paper-2)}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
    .section-intro{max-width:530px;color:var(--ink-soft)}
    .directory{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:15px}
    .directory-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:25px;min-height:190px;transition:var(--ease)}
    .directory-item:first-child{background:var(--night);color:var(--white)}
    .directory-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b8c78a}
    .directory-num{font-family:monospace;color:var(--coral);font-size:13px;font-weight:700}
    .directory-item:first-child .directory-num{color:var(--lime)}
    .directory-item h3{font-size:20px;margin:23px 0 8px}
    .directory-item p{font-size:14px;color:var(--ink-soft);margin:0}
    .directory-item:first-child p{color:#c4ccc5}
    .guide-feature{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}
    .feature-panel{background:var(--night);color:var(--white);border-radius:var(--radius);padding:34px;min-height:330px;position:relative;overflow:hidden}
    .feature-panel:after{content:"01";position:absolute;right:28px;bottom:-25px;color:rgba(201,241,90,.12);font:bold 150px/1 Arial}
    .tag{display:inline-flex;align-items:center;width:max-content;border-radius:30px;background:var(--lime);color:var(--ink);padding:4px 10px;font-size:12px;font-weight:800}
    .tag.coral{background:#ffd2c7}
    .feature-panel h3{font-size:30px;max-width:490px;margin:22px 0 12px;position:relative;z-index:1}
    .feature-panel p{color:#c8d0c9;max-width:500px;position:relative;z-index:1}
    .read-link{color:var(--lime);font-weight:700;position:relative;z-index:1}
    .guide-side{display:grid;gap:12px}
    .guide-side-item{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:22px;transition:var(--ease)}
    .guide-side-item:hover{border-color:var(--coral);transform:translateX(4px)}
    .guide-side-item h4{font-size:17px;margin:0 0 5px}
    .guide-side-item p{font-size:13px;color:var(--ink-soft);margin:0}
    .meta{font-size:12px;color:var(--ink-soft)}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
    .step{padding:22px 18px 22px 0;border-right:1px solid var(--line);min-height:180px}
    .step:last-child{border-right:0}
    .step-num{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--lime);color:var(--ink);font-weight:800;font-family:monospace}
    .step h3{font-size:18px;margin:18px 0 7px}
    .step p{font-size:14px;color:var(--ink-soft);margin:0}
    .updates{display:grid;grid-template-columns:1fr .72fr;gap:22px}
    .update-list{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
    .update-row{display:grid;grid-template-columns:105px 1fr auto;gap:18px;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line);transition:var(--ease)}
    .update-row:last-child{border-bottom:0}
    .update-row:hover{background:#f8f7f1;padding-left:29px}
    .update-date{color:var(--coral);font:700 13px monospace}
    .update-row h3{font-size:16px;margin:0 0 4px}
    .update-row p{font-size:13px;color:var(--ink-soft);margin:0}
    .arrow{font-size:21px;color:var(--ink-soft)}
    .notice-panel{background:#fff7df;border:1px solid #ead9a8;border-radius:var(--radius);padding:27px}
    .notice-panel h3{font-size:21px;margin:0 0 12px}
    .notice-panel p{font-size:14px;color:var(--ink-soft)}
    .notice-list{list-style:none;padding:0;margin:18px 0 0}
    .notice-list li{padding:10px 0;border-top:1px solid #e6d8b0;font-size:13px}
    .notice-list li:before{content:"•";color:var(--coral);font-size:20px;vertical-align:-2px;margin-right:8px}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:68px}
    .faq-aside p{color:var(--ink-soft);font-size:15px}
    .faq-list{display:grid;gap:10px}
    .faq-item{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden}
    .faq-item summary{padding:19px 22px;font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:var(--coral);font-size:22px;line-height:1}
    .faq-item[open] summary{color:var(--coral)}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 22px 20px;color:var(--ink-soft);font-size:14px}
    .cta-band{background:var(--coral);color:var(--white);padding:58px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-inner h2{margin:0;max-width:620px}
    .cta-inner p{margin:10px 0 0;color:#fff1ec;max-width:650px}
    .cta-band .btn-primary{background:var(--white)}
    .cta-band .btn-primary:hover{background:var(--lime)}
    footer{background:var(--night);color:#aeb8b0;padding:52px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:40px}
    .footer-brand p{font-size:13px;max-width:270px;margin-top:15px}
    .footer-title{color:var(--white);font-weight:700;margin-bottom:13px}
    .footer-links{display:grid;gap:7px;font-size:13px}
    .footer-links a:hover{color:var(--lime)}
    .copyright{border-top:1px solid #353d38;padding-top:20px;font-size:12px;display:flex;justify-content:space-between;gap:20px}
    :focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    @media (max-width:1100px){
      nav{gap:15px}
      .hero-grid{gap:38px}
      .directory{grid-template-columns:repeat(2,1fr)}
      .directory-item:first-child{grid-column:span 2}
    }
    @media (max-width:820px){
      .container{width:min(100% - 32px,620px)}
      .nav-wrap{height:68px}
      .menu-toggle{display:block}
      nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--night);padding:10px 20px 20px;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid rgba(255,255,255,.08)}
      nav.open{display:flex}
      nav a{padding:13px 0}
      nav a.active:after{left:auto;width:42px;right:auto;bottom:8px}
      .nav-cta{display:none}
      .hero{padding:55px 0 66px}
      .hero-grid,.guide-feature,.updates,.faq-wrap{grid-template-columns:1fr}
      h1{font-size:43px}
      .hero-art{min-height:300px}
      .section{padding:68px 0}
      .steps{grid-template-columns:repeat(2,1fr);border-top:0}
      .step{border-top:1px solid var(--line);padding:22px 16px 22px 0}
      .step:nth-child(2){border-right:0}
      .step:nth-child(3){border-right:1px solid var(--line)}
      .step:last-child{border-right:0}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
      .footer-brand{grid-column:span 2}
      .cta-inner{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:520px){
      .container{width:calc(100% - 28px)}
      .notice-inner{overflow-x:auto}
      .logo{font-size:16px}
      .logo-mark{width:25px;height:25px}
      h1{font-size:37px}
      h2{font-size:29px}
      .hero-copy{font-size:15px}
      .hero-actions{margin-top:24px}
      .hero-actions a{width:100%}
      .guide-board,.feature-panel,.notice-panel{padding:22px}
      .directory{grid-template-columns:1fr}
      .directory-item:first-child{grid-column:auto}
      .directory-item{min-height:160px}
      .update-row{grid-template-columns:1fr auto;gap:7px 12px;padding:17px}
      .update-date{grid-column:1 / -1}
      .update-row p{font-size:12px}
      .steps{grid-template-columns:1fr}
      .step,.step:nth-child(3){border-right:0}
      .step:last-child{border-bottom:1px solid var(--line)}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px 18px}
      .footer-brand{grid-column:span 2}
      .copyright{flex-direction:column;gap:5px}
    }

/* roulang page: category2 */
:root{
      --ink:#1d2421;--ink-soft:#59625d;--night:#171c1a;--night-2:#232a26;
      --paper:#f4f2ec;--paper-2:#ebe9e0;--lime:#c9f15a;--lime-dark:#a7ce39;
      --coral:#ef765b;--line:#d9d8ce;--white:#fffefa;--radius:18px;
      --shadow:0 18px 45px rgba(22,29,25,.10);--ease:all .25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none}
    a:hover{text-decoration:underline;text-underline-offset:4px}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer;border:0}
    .container{width:min(1180px,calc(100% - 44px));margin:auto}
    header{position:sticky;top:0;z-index:20;background:var(--night);color:var(--white);border-bottom:1px solid rgba(255,255,255,.08)}
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;white-space:nowrap}
    .logo:hover{text-decoration:none;color:var(--lime)}
    .logo-mark{width:28px;height:28px;border:3px solid var(--lime);border-radius:7px;position:relative;transform:skew(-12deg)}
    .logo-mark:after{content:"";position:absolute;left:5px;right:3px;top:10px;border-top:3px solid var(--lime);transform:rotate(-25deg)}
    nav{display:flex;align-items:center;gap:24px;font-size:14px}
    nav a{color:#d8ddd9;padding:27px 0;position:relative}
    nav a:hover,nav a.active{color:var(--lime);text-decoration:none}
    nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:3px;border-radius:3px;background:var(--lime)}
    .nav-cta,.btn-primary{background:var(--lime);color:var(--ink);font-weight:800;border-radius:10px;padding:11px 17px;transition:var(--ease);display:inline-flex;align-items:center;justify-content:center;min-height:44px}
    .nav-cta:hover,.btn-primary:hover{background:#dcff7b;transform:translateY(-2px);text-decoration:none;box-shadow:0 8px 20px rgba(201,241,90,.18)}
    .menu-toggle{display:none;background:transparent;color:var(--white);font-size:26px;min-width:44px;min-height:44px}
    .hero{background:var(--night);color:var(--white);padding:74px 0 82px;position:relative;overflow:hidden}
    .hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(201,241,90,.17);border-radius:50%;right:-160px;top:-250px}
    .hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:60px;align-items:center;position:relative}
    .eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--lime);font-weight:800}
    h1{font-size:clamp(38px,5vw,64px);line-height:1.18;letter-spacing:-.04em;margin:16px 0 20px}
    h2{font-size:clamp(27px,3vw,40px);line-height:1.25;margin:8px 0 12px;letter-spacing:-.025em}
    h3,h4{line-height:1.4}
    .hero-copy{color:#c8cfca;font-size:17px;max-width:610px}
    .hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
    .btn-ghost{border:1px solid #59635d;color:var(--white);border-radius:10px;padding:10px 17px;min-height:44px;display:inline-flex;align-items:center;transition:var(--ease)}
    .btn-ghost:hover{border-color:var(--lime);color:var(--lime);text-decoration:none}
    .hero-panel{border:1px solid #46504a;border-radius:24px;background:#202723;padding:22px;box-shadow:var(--shadow)}
    .panel-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #3a443e;padding-bottom:15px;margin-bottom:10px}
    .panel-head strong{font-size:18px}.panel-head span{font-size:12px;color:#9ba79e}
    .date-strip{display:flex;gap:8px;margin:16px 0;overflow:hidden}
    .date-box{min-width:62px;padding:8px 5px;text-align:center;border:1px solid #46504a;border-radius:10px;color:#aeb8b0;font-size:12px}
    .date-box b{display:block;color:var(--white);font-size:17px}.date-box.current{background:var(--lime);color:var(--ink);border-color:var(--lime)}.date-box.current b{color:var(--ink)}
    .match-line{display:grid;grid-template-columns:72px 1fr auto;gap:12px;align-items:center;padding:16px 0;border-bottom:1px solid #353e39}
    .match-line:last-child{border-bottom:0}.match-line time{font:12px monospace;color:var(--coral)}.match-line p{margin:0;color:#dce1dd;font-size:14px}.match-line small{display:block;color:#8f9b92}.status{font-size:11px;color:var(--lime);border:1px solid #60713d;border-radius:30px;padding:3px 8px}
    .section{padding:88px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:32px}.section-intro{max-width:540px;color:var(--ink-soft)}
    .insight-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:22px}
    .feature-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:32px;min-height:315px;display:flex;flex-direction:column;justify-content:space-between;transition:var(--ease)}
    .feature-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
    .feature-card h3{font-size:27px;max-width:610px;margin:18px 0 10px}.feature-card p{color:var(--ink-soft);max-width:650px}
    .tag{display:inline-flex;width:max-content;border-radius:30px;background:var(--lime);color:var(--ink);padding:4px 10px;font-size:12px;font-weight:800}.tag.coral{background:#ffd2c7}
    .meta{font-size:12px;color:#7c8780}.read-link{font-weight:800;color:var(--ink);display:inline-flex;margin-top:14px}
    .brief-list{display:grid;gap:10px}.brief{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:18px 20px;transition:var(--ease)}.brief:hover{border-color:var(--coral);transform:translateX(3px);text-decoration:none}.brief h4{font-size:16px;margin:7px 0}.brief p{font-size:13px;color:var(--ink-soft);margin:0}
    .section-tint{background:var(--paper-2)}
    .topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.topic-card{padding:25px;background:var(--white);border:1px solid var(--line);border-radius:16px}.topic-card .number{font:700 25px monospace;color:var(--coral)}.topic-card h3{font-size:19px;margin:18px 0 7px}.topic-card p{font-size:14px;color:var(--ink-soft);margin:0}
    .timeline{position:relative;display:grid;gap:15px;max-width:820px}.timeline:before{content:"";position:absolute;left:12px;top:15px;bottom:15px;border-left:2px dashed #c9c8bc}.timeline-item{position:relative;margin-left:0;padding:22px 25px 22px 52px;border:1px solid var(--line);border-left:4px solid var(--coral);border-radius:0 15px 15px 0;background:var(--white)}.timeline-item:before{content:"";position:absolute;left:3px;top:27px;width:16px;height:16px;border-radius:50%;background:var(--lime);border:4px solid var(--paper)}.timeline-item strong{font-size:13px;color:var(--coral)}.timeline-item h3{font-size:19px;margin:5px 0}.timeline-item p{font-size:14px;color:var(--ink-soft);margin:0}
    .notice{background:var(--night);color:var(--white);border-radius:22px;padding:34px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}.notice p{color:#bbc5bd;margin:8px 0 0;max-width:680px}.notice h2{margin:0;font-size:30px}.notice .btn-primary{white-space:nowrap}
    .faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px}.faq-list{display:grid;gap:10px}.faq-item{background:var(--white);border:1px solid var(--line);border-radius:13px;overflow:hidden}.faq-question{width:100%;background:transparent;text-align:left;padding:18px 21px;color:var(--ink);font-weight:800;display:flex;justify-content:space-between;gap:18px}.faq-question span{color:var(--coral);font-size:22px;line-height:1}.faq-answer{display:none;padding:0 21px 19px;color:var(--ink-soft);font-size:14px}.faq-item.open .faq-answer{display:block}.faq-item.open .faq-question{color:#657d20}
    footer{background:var(--night);color:#aeb8b0;padding:52px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:40px}.footer-brand p{font-size:13px;max-width:270px;margin-top:15px}.footer-title{color:var(--white);font-weight:700;margin-bottom:13px}.footer-links{display:grid;gap:7px;font-size:13px}.footer-links a:hover{color:var(--lime)}.copyright{border-top:1px solid #353d38;padding-top:20px;font-size:12px;display:flex;justify-content:space-between;gap:20px}
    :focus-visible{outline:3px solid var(--coral);outline-offset:3px}
    @media(max-width:992px){.hero-grid{grid-template-columns:1fr;gap:35px}.insight-layout{grid-template-columns:1fr}.faq-wrap{gap:30px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:768px){.container{width:min(100% - 32px,620px)}.nav-wrap{height:68px}.menu-toggle{display:block}nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--night);padding:10px 20px 20px;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid #353d38}nav.show{display:flex}nav a{padding:13px 5px}nav a.active:after{bottom:5px;right:auto;width:35px}.nav-cta{display:none}.hero{padding:58px 0 65px}.section{padding:64px 0}.topic-grid{grid-template-columns:1fr}.faq-wrap{grid-template-columns:1fr}.notice{grid-template-columns:1fr;padding:27px}.copyright{flex-direction:column;gap:5px}}
    @media(max-width:520px){h1{font-size:38px}.hero-copy{font-size:15px}.hero-panel{padding:16px}.match-line{grid-template-columns:62px 1fr}.status{display:none}.feature-card{padding:24px}.feature-card h3{font-size:23px}.footer-grid{grid-template-columns:1fr}.date-box{min-width:56px}}

/* roulang page: category3 */
:root{
 --ink:#1d2421;
 --ink-soft:#59625d;
 --night:#171c1a;
 --night-2:#232a26;
 --paper:#f4f2ec;
 --paper-2:#ebe9e0;
 --lime:#c9f15a;
 --lime-dark:#a7ce39;
 --coral:#ef765b;
 --line:#d9d8ce;
 --white:#fffefa;
 --radius:18px;
 --shadow:0 18px 45px rgba(22,29,25,.10);
 --ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.75}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:4px}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1180px,calc(100% - 44px));margin:auto}
header{background:var(--night);color:var(--white);position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;white-space:nowrap}
.logo-mark{width:28px;height:28px;border:3px solid var(--lime);border-radius:7px;position:relative;transform:skew(-12deg);display:inline-block}
.logo-mark:after{content:"";position:absolute;left:5px;right:3px;top:10px;border-top:3px solid var(--lime);transform:rotate(-25deg)}
nav{display:flex;align-items:center;gap:24px;font-size:14px}
nav a{color:#d8ddd9;padding:27px 0;position:relative}
nav a:hover,nav a.active{color:var(--lime);text-decoration:none}
nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:3px;border-radius:3px;background:var(--lime)}
.nav-cta,.btn-primary{background:var(--lime);color:var(--ink);font-weight:800;border-radius:10px;padding:11px 17px;transition:var(--ease);display:inline-flex;align-items:center;justify-content:center;min-height:44px}
.nav-cta:hover,.btn-primary:hover{background:#dcff7b;transform:translateY(-2px);text-decoration:none;box-shadow:0 8px 20px rgba(201,241,90,.18)}
.menu-toggle{display:none;background:transparent;color:var(--white);font-size:26px;min-width:44px;min-height:44px}
.notice-bar{background:#242c27;color:#d6ddd5;font-size:13px;white-space:nowrap;overflow:hidden}
.notice-inner{height:38px;display:flex;align-items:center;gap:18px}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--coral);display:inline-block;flex:none}
.hero{background:var(--night);color:var(--white);padding:76px 0 92px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:480px;height:480px;border:1px solid rgba(201,241,90,.18);border-radius:50%;right:-120px;top:-220px}
.hero-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:68px;align-items:center;position:relative}
.eyebrow,.section-kicker{font-size:12px;text-transform:uppercase;letter-spacing:.16em;color:var(--lime);font-weight:800}
h1{font-size:clamp(38px,5vw,64px);line-height:1.2;letter-spacing:0;margin:15px 0 20px;font-weight:850}
h2{font-size:clamp(28px,3vw,42px);line-height:1.25;margin:0 0 13px;letter-spacing:0}
h3,h4{letter-spacing:0}
.hero-copy{color:#c8cfca;font-size:17px;max-width:590px}
.hero-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap}
.btn-ghost{border:1px solid #59635d;color:var(--white);border-radius:10px;padding:10px 17px;min-height:44px;display:inline-flex;align-items:center;transition:var(--ease)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);text-decoration:none}
.app-stage{min-height:390px;border:1px solid #46504a;border-radius:24px;background:#202723;position:relative;padding:26px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.phone{width:208px;height:350px;border:8px solid #0f1412;border-radius:28px;background:#f4f2ec;box-shadow:0 20px 35px rgba(0,0,0,.35);padding:14px;position:relative;z-index:2}
.phone-top{height:9px;width:62px;background:#202723;border-radius:10px;margin:0 auto 18px}
.phone-title{font-size:12px;font-weight:800;margin-bottom:14px}
.phone-highlight{height:72px;background:var(--lime);border-radius:10px;padding:11px;margin-bottom:12px}
.phone-highlight small{display:block;font-size:9px;color:#455039}
.phone-highlight strong{font-size:20px;line-height:1.2}
.phone-line{height:9px;background:#d4d5ca;border-radius:6px;margin:9px 0}
.phone-row{display:flex;gap:8px;margin-top:14px}
.phone-row span{height:52px;flex:1;background:#e4e2d8;border-radius:9px}
.device-note{position:absolute;right:30px;top:36px;border:1px solid #52605a;padding:8px 11px;border-radius:8px;color:#d6ddd5;font-size:12px}
.device-note b{color:var(--lime);display:block;font-size:20px;line-height:1.2}
.stage-line{position:absolute;left:30px;bottom:43px;right:30px;border-top:1px dashed #5c685f}
.section{padding:92px 0}
.section.alt{background:var(--paper-2)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
.section-intro{max-width:510px;color:var(--ink-soft)}
.device-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:25px 0 30px}
.device-tab{background:var(--white);border:1px solid var(--line);padding:10px 18px;border-radius:9px;color:var(--ink-soft);transition:var(--ease)}
.device-tab:hover,.device-tab.active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:800}
.download-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}
.download-panel{background:var(--night);color:var(--white);padding:34px;border-radius:var(--radius);min-height:300px}
.download-panel h3{font-size:28px;margin:12px 0}
.download-panel p{color:#bdc7bf;max-width:610px}
.download-list{list-style:none;margin:22px 0;padding:0}
.download-list li{padding:7px 0;color:#c9d0ca;font-size:14px}
.download-list li:before{content:"✓";color:var(--lime);font-weight:bold;margin-right:9px}
.version-panel{background:var(--white);border:1px solid var(--line);padding:28px;border-radius:var(--radius)}
.version-line{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding:13px 0;font-size:14px}
.version-line:last-child{border-bottom:0}
.version-line span{color:var(--ink-soft)}
.qr-box{width:112px;height:112px;background:#fff;border:8px solid #fff;margin:20px 0;position:relative;background-image:linear-gradient(45deg,#202723 25%,transparent 25%,transparent 75%,#202723 75%),linear-gradient(45deg,#202723 25%,transparent 25%,transparent 75%,#202723 75%);background-size:18px 18px;background-position:0 0,9px 9px}
.qr-box:after{content:"站内说明";position:absolute;inset:27px 8px;background:#fff;color:var(--ink);font-size:11px;text-align:center;line-height:42px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:28px 24px 12px;border-right:1px solid var(--line);position:relative}
.step:last-child{border-right:0}
.step-number{width:34px;height:34px;border-radius:50%;background:var(--coral);color:var(--white);font-weight:800;display:grid;place-items:center;margin-bottom:18px}
.step h3{font-size:18px;margin:0 0 8px}
.step p{font-size:14px;color:var(--ink-soft);margin:0}
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:30px}
.check-card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:24px;transition:var(--ease)}
.check-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.check-icon{color:var(--coral);font-size:25px;font-weight:800}
.check-card h3{font-size:18px;margin:13px 0 7px}
.check-card p{font-size:14px;color:var(--ink-soft);margin:0}
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}
.faq-list{display:grid;gap:10px}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq-question{width:100%;background:transparent;color:var(--ink);padding:18px 21px;text-align:left;display:flex;justify-content:space-between;gap:15px;font-weight:750}
.faq-question span:last-child{color:var(--coral);font-size:22px;line-height:1}
.faq-answer{display:none;padding:0 21px 19px;color:var(--ink-soft);font-size:14px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question{color:#687f27}
.cta{background:var(--coral);color:#fffefa;padding:54px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{margin:0;font-size:32px}
.cta p{margin:9px 0 0;color:#ffe4dc}
.cta .btn-primary{background:var(--white)}
footer{background:var(--night);color:#aeb8b0;padding:52px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:40px}
.footer-brand p{font-size:13px;max-width:270px;margin-top:15px}
.footer-title{color:var(--white);font-weight:700;margin-bottom:13px}
.footer-links{display:grid;gap:7px;font-size:13px}
.footer-links a:hover{color:var(--lime)}
.copyright{border-top:1px solid #353d38;padding-top:20px;font-size:12px;display:flex;justify-content:space-between;gap:20px}
:focus-visible{outline:3px solid var(--coral);outline-offset:3px}
@media(max-width:992px){
 .hero-grid{grid-template-columns:1fr;gap:40px}
 .hero{padding-top:60px}
 .download-layout{grid-template-columns:1fr}
 .faq-wrap{gap:35px}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(100% - 32px,620px)}
 .nav-wrap{height:68px}
 .menu-toggle{display:block}
 nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--night);padding:10px 20px 20px;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid #313a34}
 nav.open{display:flex}
 nav a{padding:13px 4px}
 nav a.active:after{left:auto;right:4px;bottom:18px;width:34px}
 .nav-cta{display:none}
 .notice-inner{overflow-x:auto}
 .section{padding:66px 0}
 .section-head,.cta-inner{display:block}
 .section-head .section-intro{margin-top:15px}
 .steps{grid-template-columns:1fr 1fr;border-top:0}
 .step{border-top:1px solid var(--line);padding:24px 16px}
 .step:nth-child(2){border-right:0}
 .check-grid{grid-template-columns:1fr}
 .faq-wrap{grid-template-columns:1fr}
 .cta .btn-primary{margin-top:22px}
}
@media(max-width:520px){
 h1{font-size:38px}
 .hero-copy{font-size:15px}
 .hero-actions a{width:100%}
 .app-stage{min-height:355px;padding:18px}
 .phone{transform:scale(.88)}
 .device-note{right:16px;top:18px}
 .stage-line{left:18px;right:18px;bottom:22px}
 .download-panel,.version-panel{padding:24px}
 .steps{grid-template-columns:1fr}
 .step{border-right:0}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px 18px}
 .copyright{display:block}
 .copyright span{display:block;margin-top:7px}
}

/* roulang page: category4 */
:root{
 --ink:#1d2421;--ink-soft:#59625d;--night:#171c1a;--night-2:#232a26;
 --paper:#f4f2ec;--paper-2:#ebe9e0;--lime:#c9f15a;--lime-dark:#a7ce39;
 --coral:#ef765b;--line:#d9d8ce;--white:#fffefa;--radius:18px;
 --shadow:0 18px 45px rgba(22,29,25,.10);--ease:all .25s ease;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;line-height:1.8}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:4px}
img{max-width:100%;display:block}
button,input,textarea,select{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1180px,calc(100% - 44px));margin:auto}
header{position:sticky;top:0;z-index:20;background:var(--night);color:var(--white);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;white-space:nowrap}
.logo:hover{text-decoration:none;color:var(--lime)}
.logo-mark{width:28px;height:28px;border:3px solid var(--lime);border-radius:7px;position:relative;transform:skew(-12deg);flex:none}
.logo-mark:after{content:"";position:absolute;left:5px;right:3px;top:10px;border-top:3px solid var(--lime);transform:rotate(-25deg)}
nav{display:flex;align-items:center;gap:24px;font-size:14px}
nav a{color:#d8ddd9;padding:27px 0;position:relative}
nav a:hover,nav a.active{color:var(--lime);text-decoration:none}
nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:3px;border-radius:3px;background:var(--lime)}
.nav-cta,.btn-primary{background:var(--lime);color:var(--ink);font-weight:800;border-radius:10px;padding:11px 17px;transition:var(--ease);display:inline-flex;align-items:center;justify-content:center;min-height:44px}
.nav-cta:hover,.btn-primary:hover{background:#dcff7b;transform:translateY(-2px);text-decoration:none;box-shadow:0 8px 20px rgba(201,241,90,.18)}
.btn-ghost{border:1px solid #59635d;color:var(--white);border-radius:10px;padding:10px 17px;min-height:44px;display:inline-flex;align-items:center;transition:var(--ease)}
.btn-ghost:hover{border-color:var(--lime);color:var(--lime);text-decoration:none}
.menu-toggle{display:none;background:transparent;color:var(--white);font-size:26px;min-width:44px;min-height:44px}
.hero{background:var(--night);color:var(--white);padding:76px 0 82px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;width:520px;height:520px;border:1px solid rgba(201,241,90,.16);border-radius:50%;right:-180px;top:-250px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.eyebrow,.section-kicker{font-size:12px;letter-spacing:.16em;color:var(--lime);font-weight:800}
h1{font-size:clamp(38px,5vw,64px);line-height:1.2;letter-spacing:-.04em;margin:18px 0}
.hero-copy{color:#c8cfca;font-size:17px;max-width:590px}
.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero-panel{min-height:300px;border:1px solid #46504a;border-radius:24px;background:var(--night-2);padding:25px;box-shadow:var(--shadow);position:relative}
.panel-title{display:flex;justify-content:space-between;align-items:center;color:#e9eee9;font-weight:700;margin-bottom:20px}
.live-dot{width:9px;height:9px;background:var(--coral);border-radius:50%;display:inline-block;margin-right:7px}
.question-index{display:grid;gap:10px}
.index-row{display:flex;align-items:center;gap:14px;padding:14px 15px;border:1px solid #414c45;border-radius:12px;color:#c5cec7;transition:var(--ease)}
.index-row:hover{border-color:var(--lime);color:var(--lime);transform:translateX(4px);text-decoration:none}
.index-row b{font-family:monospace;color:var(--lime);font-size:17px}
.section{padding:86px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:34px}
.section-head h2{font-size:clamp(28px,3vw,42px);line-height:1.3;margin:8px 0 0}
.section-intro{max-width:520px;color:var(--ink-soft)}
.faq-layout{display:grid;grid-template-columns:250px 1fr;gap:50px;align-items:start}
.side-nav{position:sticky;top:110px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.side-nav strong{display:block;margin-bottom:14px}
.side-nav a{display:block;padding:9px 0;color:var(--ink-soft);font-size:14px;border-bottom:1px solid var(--line)}
.side-nav a:last-child{border-bottom:0}
.side-nav a:hover{color:var(--ink);text-decoration:none;padding-left:5px}
.faq-group{margin-bottom:36px;scroll-margin-top:110px}
.faq-group h3{font-size:22px;margin:0 0 15px}
.faq-list{display:grid;gap:10px}
.faq-item{background:var(--white);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:var(--ease)}
.faq-item:hover{border-color:#b8c78a}
.faq-question{width:100%;padding:19px 21px;background:transparent;color:var(--ink);display:flex;align-items:center;justify-content:space-between;text-align:left;font-weight:700}
.faq-question span:last-child{color:var(--coral);font-size:22px;line-height:1;transition:var(--ease)}
.faq-answer{display:none;padding:0 21px 20px;color:var(--ink-soft);font-size:14px}
.faq-item.open .faq-answer{display:block}
.faq-item.open .faq-question span:last-child{transform:rotate(45deg);color:var(--lime-dark)}
.notice-band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.notice-card{padding:23px;background:var(--white);border-radius:15px;border:1px solid var(--line)}
.notice-card .num{color:var(--coral);font:700 22px monospace}
.notice-card h3{font-size:18px;margin:10px 0 5px}
.notice-card p{color:var(--ink-soft);font-size:14px;margin:0}
.feedback{background:var(--night);color:var(--white);padding:72px 0}
.feedback-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:65px;align-items:start}
.feedback h2{font-size:clamp(28px,3vw,42px);line-height:1.3;margin:10px 0 18px}
.feedback-copy{color:#c3ccc5}
.feedback-points{list-style:none;padding:0;margin:28px 0}
.feedback-points li{padding:8px 0;color:#d4dbd5}
.feedback-points li:before{content:"✓";color:var(--lime);font-weight:bold;margin-right:10px}
.form-box{background:var(--white);color:var(--ink);border-radius:20px;padding:27px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:700;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);background:#fbfaf5;border-radius:9px;padding:11px 13px;outline:0;transition:var(--ease)}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--lime-dark);box-shadow:0 0 0 3px rgba(201,241,90,.25)}
.form-note{font-size:12px;color:var(--ink-soft);margin:12px 0 0}
.form-message{display:none;color:#567017;font-size:13px;margin-top:12px}
.cta{padding:74px 0;text-align:center}
.cta-box{background:var(--lime);border-radius:22px;padding:42px 25px}
.cta-box h2{font-size:34px;margin:0 0 10px}
.cta-box p{max-width:620px;margin:0 auto 23px;color:#3f4c2a}
.btn-dark{background:var(--night);color:var(--white);padding:11px 18px;border-radius:10px;display:inline-flex;min-height:44px;align-items:center;font-weight:700;transition:var(--ease)}
.btn-dark:hover{background:#2b342e;color:var(--lime);text-decoration:none;transform:translateY(-2px)}
footer{background:var(--night);color:#aeb8b0;padding:52px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:40px}
.footer-brand p{font-size:13px;max-width:270px;margin-top:15px}
.footer-title{color:var(--white);font-weight:700;margin-bottom:13px}
.footer-links{display:grid;gap:7px;font-size:13px}
.footer-links a:hover{color:var(--lime);text-decoration:none}
.copyright{border-top:1px solid #353d38;padding-top:20px;font-size:12px;display:flex;justify-content:space-between;gap:20px}
@media(max-width:992px){
 .hero-grid,.feedback-grid{grid-template-columns:1fr;gap:35px}
 .hero{padding-top:58px}
 .faq-layout{grid-template-columns:1fr;gap:28px}
 .side-nav{position:static;display:flex;gap:16px;overflow:auto;white-space:nowrap;padding:14px}
 .side-nav strong{display:none}.side-nav a{border:0;padding:4px 0}
 .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
 .container{width:min(100% - 32px,620px)}
 .nav-wrap{height:68px}
 .menu-toggle{display:block}
 nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--night);padding:10px 20px 20px;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid #353d38}
 nav.show{display:flex}
 nav a{padding:13px 0}
 nav a.active:after{bottom:7px;left:auto;width:35px}
 .nav-cta{display:none}
 .hero-panel{min-height:auto}
 .section{padding:62px 0}
 .section-head{display:block}
 .notice-grid{grid-template-columns:1fr}
 .form-row{grid-template-columns:1fr}
}
@media(max-width:480px){
 h1{font-size:37px}
 .hero-copy{font-size:15px}
 .hero-actions a{width:100%}
 .footer-grid{grid-template-columns:1fr}
 .copyright{display:block}.copyright span{display:block;margin-top:7px}
 .form-box{padding:20px}
}

/* 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}