/* roulang page: index */
:root{--ink:#201d2b;--muted:#716b7d;--paper:#fffaf7;--panel:#fff;--line:#eadfe2;--berry:#883c73;--coral:#ef765f;--orange:#ffb15c;--lime:#c6e86b;--cyan:#79ddd4;--radius:24px;--shadow:0 14px 0 rgba(48,28,48,.08),0 22px 42px rgba(63,34,65,.09)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input{font:inherit}.container{max-width:1220px}
    .site-header{position:relative;background:linear-gradient(135deg,#2e243b 0%,#4c2854 50%,#803b6e 100%);color:#fff;overflow:hidden}.site-header:before{content:"";position:absolute;inset:0;opacity:.18;background-image:linear-gradient(rgba(255,255,255,.2) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.2) 1px,transparent 1px);background-size:22px 22px;pointer-events:none}.brand-row{position:relative;display:flex;align-items:center;justify-content:space-between;gap:25px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.16)}.brand{display:flex;align-items:center;gap:13px;min-width:0}.brand-mark{width:46px;height:46px;display:grid;place-items:center;color:var(--ink);font-weight:900;background:var(--lime);border-radius:14px 6px 14px 6px;box-shadow:5px 5px 0 rgba(0,0,0,.18);font-size:20px}.brand-name{font-weight:900;letter-spacing:.02em;font-size:clamp(15px,2vw,21px);white-space:nowrap}.status-pill,.channel-badge{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(255,255,255,.27);border-radius:999px;padding:6px 12px;font-size:12px;color:#fff;background:rgba(255,255,255,.1)}.status-dot{width:7px;height:7px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 4px rgba(198,232,107,.18)}.head-actions{display:flex;align-items:center;gap:10px}.head-link{min-height:42px;padding:8px 15px;border:1px solid rgba(255,255,255,.27);border-radius:13px;color:#fff;background:rgba(255,255,255,.08);transition:.2s}.head-link:hover,.head-link:focus{background:#fff;color:var(--berry);transform:translateY(-2px)}.menu-toggle{display:none;color:#fff;border:1px solid rgba(255,255,255,.35);background:transparent;border-radius:10px;padding:7px 12px}
    .channel-bar{position:relative;padding:13px 0}.channel-nav{display:flex;gap:10px;align-items:center;overflow-x:auto;scrollbar-width:none}.channel-nav::-webkit-scrollbar{display:none}.channel-link{white-space:nowrap;padding:9px 18px;border-radius:999px;color:#f9eaf1;font-size:14px;border:1px solid transparent;transition:.2s}.channel-link:hover,.channel-link:focus{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.12)}.channel-link.active{background:linear-gradient(90deg,var(--coral),var(--orange));color:#281c2b;font-weight:800;box-shadow:4px 4px 0 rgba(20,10,25,.22)}
    .hero{position:relative;padding:78px 0 92px;color:#fff}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--lime);font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.eyebrow:before{content:"◆";font-size:9px}.hero h1{font-size:clamp(34px,5.2vw,68px);line-height:1.15;letter-spacing:-.04em;margin:18px 0 20px;max-width:720px}.hero-copy{font-size:17px;color:#f5e9ef;max-width:650px;margin-bottom:29px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.btn-brand,.btn-ghost{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:11px 20px;border-radius:15px;font-weight:800;transition:.2s;border:0}.btn-brand{background:var(--lime);color:#29222d;box-shadow:5px 5px 0 rgba(18,10,25,.26)}.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08)}.btn-brand:hover,.btn-brand:focus,.btn-ghost:hover,.btn-ghost:focus{transform:translateY(-3px)}.btn-brand:active,.btn-ghost:active{transform:translateY(0)}:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}
    .hero-panel{position:relative;padding:25px;border-radius:28px;background:#fff;color:var(--ink);box-shadow:14px 14px 0 rgba(25,12,31,.28),0 24px 45px rgba(0,0,0,.18);transform:rotate(1.2deg)}.hero-panel:after{content:"";position:absolute;right:-15px;top:24px;width:38px;height:38px;background:var(--orange);border-radius:8px;transform:rotate(12deg);z-index:-1}.panel-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:18px}.panel-title{font-size:18px;font-weight:900}.mini-label{color:var(--berry);font-size:12px;font-weight:800;background:#f7e8ee;padding:5px 9px;border-radius:8px}.feature-card{padding:18px;border-radius:19px;background:linear-gradient(125deg,#fff0e7,#f7e5f1);border:1px solid #f1d7da;margin-bottom:14px}.feature-card strong{display:block;font-size:20px;line-height:1.35;margin:7px 0}.feature-card p{font-size:13px;color:var(--muted);margin:0}.panel-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.stat-chip{padding:12px 8px;border-radius:14px;background:#292231;color:#fff;text-align:center}.stat-chip b{display:block;color:var(--lime);font-size:20px;line-height:1.3}.stat-chip span{font-size:11px;color:#ddd2dc}
    main{background:var(--paper)}.section{padding:92px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:34px}.section-kicker{color:var(--berry);font-size:12px;font-weight:900;letter-spacing:.12em}.section h2{font-size:clamp(27px,3.5vw,42px);line-height:1.25;margin:7px 0 0;letter-spacing:-.03em}.section-intro{max-width:560px;color:var(--muted);margin:0}.problem-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:stretch}.problem-lead{padding:34px;border-radius:var(--radius);background:#292231;color:#fff;box-shadow:var(--shadow)}.problem-lead h3{font-size:28px;line-height:1.35;margin:15px 0}.problem-lead p{color:#ded2dc}.query-box{display:flex;gap:8px;margin-top:26px}.query-box input{min-width:0;width:100%;border:1px solid #66576e;background:#3a3043;color:#fff;border-radius:13px;padding:10px 13px}.query-box button{border:0;border-radius:13px;background:var(--orange);padding:0 15px;color:var(--ink);font-weight:800}.issue-stack{display:grid;gap:16px}.issue-card{padding:23px 25px;background:#fff;border:1px solid var(--line);border-radius:20px;display:flex;gap:18px;align-items:start;transition:.2s}.issue-card:hover{transform:translateX(5px);box-shadow:var(--shadow)}.issue-icon{flex:0 0 42px;height:42px;border-radius:12px;background:var(--cyan);display:grid;place-items:center;font-weight:900}.issue-card h4{margin:0 0 5px;font-size:19px}.issue-card p{margin:0;color:var(--muted);font-size:14px}
    .solution{background:#f5ebe8}.route{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;position:relative}.route:before{content:"";position:absolute;top:33px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,var(--coral),var(--berry),var(--orange));opacity:.45}.route-step{position:relative;background:#fff;border-radius:20px;padding:24px 20px;border:1px solid var(--line);z-index:1}.step-no{width:28px;height:28px;display:grid;place-items:center;border-radius:8px;background:var(--berry);color:#fff;font-weight:900;margin-bottom:22px}.route-step h3{font-size:19px;margin:0 0 8px}.route-step p{font-size:14px;color:var(--muted);margin:0 0 12px}.tag{display:inline-block;border-radius:8px;padding:4px 8px;background:#f6e7ed;color:var(--berry);font-size:12px;font-weight:800}
    .results{background:#fff}.metric-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr 1fr;gap:15px;align-items:stretch}.metric{padding:25px;border-radius:22px;background:linear-gradient(145deg,#3a2944,#713766);color:#fff;min-height:160px}.metric:nth-child(2){background:var(--lime);color:var(--ink)}.metric:nth-child(3){background:var(--orange);color:var(--ink)}.metric:nth-child(4){background:#dcefeb;color:var(--ink)}.metric b{font-size:clamp(32px,4vw,52px);display:block;line-height:1.1;font-weight:900}.metric span{display:block;margin-top:12px;font-size:14px}.metric small{display:block;color:inherit;opacity:.72;margin-top:7px}.progress-line{height:8px;background:rgba(255,255,255,.28);border-radius:99px;margin-top:21px;overflow:hidden}.progress-line i{display:block;width:78%;height:100%;background:var(--lime);border-radius:inherit}
    .topics{padding-top:10px}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;min-height:220px;transition:.2s}.topic-card:nth-child(2){transform:translateY(18px);background:#fff0e9}.topic-card:nth-child(3){background:#f0e9f6}.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.topic-card:nth-child(2):hover{transform:translateY(12px)}.topic-card h3{font-size:21px;margin:20px 0 8px}.topic-card p{color:var(--muted);font-size:14px;margin:0 0 18px}
    .feedback{background:#292231;color:#fff}.quote-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}.quote-card{padding:35px;border-radius:26px;background:linear-gradient(125deg,#713766,#3a2944);border:1px solid rgba(255,255,255,.16)}.quote-mark{font-size:50px;color:var(--lime);line-height:.7}.quote-card blockquote{font-size:clamp(20px,2.5vw,30px);line-height:1.55;margin:18px 0}.quote-card cite{font-style:normal;color:#ddcbd8;font-size:14px}.feedback-side{display:grid;gap:14px}.feedback-note{padding:21px;border-radius:19px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15)}.feedback-note strong{color:var(--orange);display:block;margin-bottom:5px}.feedback-note p{font-size:14px;color:#ded2dc;margin:0}
    .faq{background:#f5ebe8}.accordion-item{border:1px solid var(--line)!important;border-radius:16px!important;overflow:hidden;margin-bottom:12px;background:#fff}.accordion-button{font-weight:800;color:var(--ink);background:#fff;box-shadow:none!important;padding:19px 22px}.accordion-button:not(.collapsed){color:var(--berry);background:#fff4f0}.accordion-body{color:var(--muted);padding:0 22px 20px;font-size:14px}.cta-box{position:relative;overflow:hidden;padding:48px;border-radius:28px;background:linear-gradient(115deg,var(--berry),#bd4e70 58%,var(--coral));color:#fff;box-shadow:var(--shadow)}.cta-box:after{content:"+  +  ·  ·  +";position:absolute;right:35px;top:22px;color:rgba(255,255,255,.24);font-size:36px;letter-spacing:12px}.cta-box h2{margin:0 0 10px;font-size:clamp(26px,4vw,40px)}.cta-box p{max-width:620px;color:#ffe8ee;margin-bottom:24px}.cta-box .btn-brand{background:var(--lime)}
    footer{background:#201b29;color:#eee1eb;padding:42px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.14)}footer h3{font-size:18px;color:#fff;margin:0 0 12px}footer p,footer li{font-size:13px;color:#bbaebb}footer ul{padding:0;margin:0;list-style:none}footer li{margin:6px 0}footer a:hover{color:var(--lime)}.copyright{display:flex;justify-content:space-between;gap:20px;padding-top:18px;color:#988a9a;font-size:12px}.legal-note{margin-top:12px;font-size:12px;color:#998a9c}
    @media(max-width:992px){.hero-grid,.problem-wrap,.quote-layout{grid-template-columns:1fr}.hero-panel{max-width:650px}.metric-grid{grid-template-columns:repeat(2,1fr)}.route{grid-template-columns:repeat(2,1fr)}.route:before{display:none}.section{padding:72px 0}}
    @media(max-width:768px){.brand-row{padding:15px 0}.status-pill{display:none}.head-actions .head-link:nth-child(2){display:none}.menu-toggle{display:block}.channel-bar{padding:9px 0}.hero{padding:55px 0 70px}.hero h1{font-size:clamp(34px,10vw,52px)}.hero-copy{font-size:15px}.section-head{display:block}.section-intro{margin-top:13px}.topic-grid{grid-template-columns:1fr}.topic-card:nth-child(2){transform:none}.topic-card:nth-child(2):hover{transform:translateY(-5px)}.footer-grid{grid-template-columns:1fr 1fr}.copyright{display:block}.copyright span{display:block;margin-top:7px}}
    @media(max-width:520px){.container{padding-left:18px;padding-right:18px}.brand-name{font-size:14px}.brand-mark{width:39px;height:39px;font-size:17px}.hero-actions>*{width:100%}.hero-panel{padding:18px;transform:none}.panel-stats{gap:6px}.stat-chip{padding:10px 4px}.stat-chip b{font-size:17px}.problem-lead{padding:25px}.query-box button{padding:0 10px}.route,.metric-grid{grid-template-columns:1fr}.metric{min-height:130px}.quote-card{padding:25px}.cta-box{padding:31px 24px}.cta-box:after{display:none}.footer-grid{grid-template-columns:1fr}.copyright{font-size:11px}}

/* roulang page: category1 */
:root{
            --ink:#241d2d;
            --muted:#756d7c;
            --paper:#f8f3ee;
            --panel:#fffaf5;
            --plum:#713d83;
            --plum-deep:#40234e;
            --coral:#ff725e;
            --orange:#ffad52;
            --lime:#d7ef70;
            --cyan:#85e2d4;
            --line:#e8dcd7;
            --shadow:6px 7px 0 rgba(64,35,78,.10);
            --radius:24px;
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            margin:0;
            color:var(--ink);
            background:
                linear-gradient(rgba(113,61,131,.035) 1px,transparent 1px),
                linear-gradient(90deg,rgba(113,61,131,.035) 1px,transparent 1px),
                var(--paper);
            background-size:24px 24px;
            font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
            line-height:1.7;
            overflow-x:hidden;
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;display:block}
        button,input{font:inherit}
        .container{max-width:1220px;padding-left:22px;padding-right:22px}
        .site-header{padding-top:18px}
        .brand-row{
            min-height:72px;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:20px;
            border-bottom:1px solid var(--line);
        }
        .brand{
            display:inline-flex;
            align-items:center;
            gap:12px;
            font-weight:900;
            letter-spacing:-.04em;
            font-size:clamp(18px,2.3vw,27px);
            white-space:nowrap;
        }
        .brand-mark{
            width:34px;height:34px;
            display:grid;place-items:center;
            color:#fff;
            background:linear-gradient(135deg,var(--plum),var(--coral));
            border-radius:10px 4px 10px 4px;
            box-shadow:3px 3px 0 var(--plum-deep);
            font-size:15px;
        }
        .status-line{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:8px}
        .pulse{width:8px;height:8px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 5px rgba(255,114,94,.15)}
        .utility-links{display:flex;gap:10px;align-items:center}
        .utility-link{
            min-height:42px;padding:8px 14px;border:1px solid var(--line);
            border-radius:13px;background:rgba(255,250,245,.72);font-size:13px;
            transition:.2s ease;
        }
        .utility-link:hover{transform:translateY(-2px);border-color:var(--plum);color:var(--plum)}
        .channel-nav{
            display:flex;gap:10px;align-items:center;overflow-x:auto;
            padding:17px 0 13px;scrollbar-width:none;
        }
        .channel-nav::-webkit-scrollbar{display:none}
        .channel-link{
            flex:0 0 auto;position:relative;padding:10px 18px;border-radius:999px;
            color:var(--muted);font-size:14px;font-weight:800;transition:.2s ease;
        }
        .channel-link:hover{background:#eee3ee;color:var(--plum)}
        .channel-link.active{
            color:#fff;background:linear-gradient(100deg,var(--plum),var(--coral));
            box-shadow:4px 4px 0 rgba(64,35,78,.18);
        }
        .channel-link.active::after{
            content:"精选";position:absolute;top:-9px;right:-5px;
            padding:1px 6px;border-radius:5px;background:var(--lime);
            color:var(--ink);font-size:10px;line-height:18px;
        }
        .hero{padding:58px 0 42px}
        .eyebrow,.section-kicker{
            display:inline-flex;align-items:center;gap:8px;
            color:var(--plum);font-size:12px;font-weight:900;letter-spacing:.12em;
            text-transform:uppercase;
        }
        .eyebrow::before,.section-kicker::before{content:"";width:22px;height:4px;background:var(--coral);border-radius:3px}
        h1,h2,h3{margin:0;font-weight:950;letter-spacing:-.045em;line-height:1.2}
        h1{font-size:clamp(34px,5vw,62px);max-width:760px;margin-top:17px}
        .hero-copy{max-width:670px;color:var(--muted);font-size:17px;margin:21px 0 27px}
        .btn-main,.btn-soft{
            display:inline-flex;align-items:center;justify-content:center;gap:8px;
            min-height:48px;padding:11px 20px;border-radius:15px;border:1px solid transparent;
            font-weight:900;transition:.2s ease;cursor:pointer;
        }
        .btn-main{color:#fff;background:linear-gradient(105deg,var(--plum),var(--coral));box-shadow:4px 5px 0 rgba(64,35,78,.16)}
        .btn-soft{background:var(--panel);border-color:var(--line);color:var(--plum-deep)}
        .btn-main:hover,.btn-soft:hover{transform:translate(-2px,-3px)}
        .btn-main:active,.btn-soft:active{transform:translate(0);box-shadow:inset 2px 2px 0 rgba(0,0,0,.12)}
        :focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
        .hero-panel{
            min-height:315px;position:relative;overflow:hidden;padding:25px;
            color:#fff;background:var(--plum-deep);border-radius:28px;
            box-shadow:var(--shadow);
        }
        .hero-panel::before{
            content:"";position:absolute;width:230px;height:230px;right:-65px;top:-70px;
            border-radius:50%;background:linear-gradient(135deg,var(--coral),var(--orange));opacity:.9;
        }
        .panel-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:25px}
        .mini-panel{padding:17px;border:1px solid rgba(255,255,255,.18);border-radius:17px;background:rgba(255,255,255,.09)}
        .mini-panel strong{display:block;font-size:27px;line-height:1.1;color:var(--lime)}
        .mini-panel small{color:#e8dfee}
        .panel-title{position:relative;z-index:1;font-size:18px}
        .section{padding:55px 0}
        .section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}
        .section-head h2{font-size:clamp(25px,3vw,37px);margin-top:8px}
        .section-note{max-width:400px;color:var(--muted);font-size:14px}
        .index-strip{
            display:flex;flex-wrap:wrap;gap:10px;padding:17px;
            background:#f0e5ed;border-radius:18px;border:1px solid #e2d1df;margin-bottom:22px
        }
        .tag{
            display:inline-flex;align-items:center;padding:6px 11px;border-radius:999px;
            background:var(--panel);border:1px solid var(--line);color:var(--plum-deep);
            font-size:12px;font-weight:800;
        }
        .tag.active{background:var(--lime);border-color:#c4dc58}
        .featured-card{
            display:grid;grid-template-columns:1.1fr 1fr;gap:27px;align-items:stretch;
            padding:25px;background:linear-gradient(120deg,#fffaf5,#f2e5ef);
            border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)
        }
        .feature-art{
            min-height:245px;border-radius:18px;position:relative;overflow:hidden;
            background:linear-gradient(145deg,var(--plum),#9f4f85 55%,var(--coral));
        }
        .feature-art::before,.feature-art::after{
            content:"";position:absolute;border:2px solid rgba(255,255,255,.45);
            width:130px;height:130px;transform:rotate(45deg)
        }
        .feature-art::before{left:19%;top:24%}.feature-art::after{right:8%;bottom:-28px;width:90px;height:90px}
        .art-label{position:absolute;left:18px;bottom:17px;color:#fff;font-size:12px;font-weight:900;letter-spacing:.1em}
        .feature-body{display:flex;flex-direction:column;justify-content:center}
        .feature-body h3{font-size:clamp(23px,3vw,34px);margin:12px 0}
        .feature-body p{color:var(--muted);margin:0 0 17px}
        .meta{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:12px;margin-bottom:20px}
        .timeline{position:relative;padding-left:31px}
        .timeline::before{content:"";position:absolute;left:8px;top:10px;bottom:10px;width:2px;background:linear-gradient(var(--coral),var(--plum),var(--cyan))}
        .timeline-item{position:relative;padding:18px 20px;margin-bottom:13px;background:var(--panel);border:1px solid var(--line);border-radius:18px;transition:.2s ease}
        .timeline-item::before{content:"";position:absolute;left:-29px;top:27px;width:11px;height:11px;background:var(--lime);border:3px solid var(--plum);border-radius:50%}
        .timeline-item:hover{transform:translateX(4px);box-shadow:3px 4px 0 rgba(64,35,78,.1)}
        .item-top{display:flex;justify-content:space-between;gap:15px;align-items:center}
        .timeline-item h3{font-size:19px}
        .timeline-item p{color:var(--muted);font-size:14px;margin:7px 0 0}
        .state{font-size:11px;font-weight:900;color:var(--plum);background:#eee0ed;border-radius:7px;padding:4px 8px;white-space:nowrap}
        .faq-wrap{background:var(--plum-deep);border-radius:var(--radius);padding:26px;color:#fff}
        .faq-wrap h2{font-size:28px;margin-bottom:18px}
        .accordion-item{background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.18)}
        .accordion-button{background:transparent!important;color:#fff!important;box-shadow:none!important;padding:18px 0;font-weight:900}
        .accordion-button::after{filter:brightness(0) invert(1)}
        .accordion-body{padding:0 0 18px;color:#e7ddec;font-size:14px}
        .cta{
            margin:25px 0 60px;padding:34px 38px;border-radius:28px;
            background:linear-gradient(110deg,var(--coral),var(--orange));
            display:flex;justify-content:space-between;align-items:center;gap:20px;
            box-shadow:var(--shadow)
        }
        .cta h2{font-size:clamp(25px,3vw,38px);color:var(--plum-deep)}
        .cta p{margin:9px 0 0;color:#5c354d}
        .cta .btn-main{background:var(--plum-deep);box-shadow:4px 5px 0 rgba(64,35,78,.18);white-space:nowrap}
        footer{padding:42px 0 22px;background:#2c2032;color:#eee3ef}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:35px}
        footer h3{font-size:17px;color:#fff;margin-bottom:13px}
        footer p,footer li{font-size:13px;color:#c8b9cc}
        footer ul{list-style:none;padding:0;margin:0}
        footer li{margin:8px 0}
        footer a{color:#e5c8dc}
        footer a:hover{color:var(--lime)}
        .legal-note{border-left:3px solid var(--coral);padding-left:12px}
        .copyright{display:flex;justify-content:space-between;gap:15px;border-top:1px solid rgba(255,255,255,.15);padding-top:18px;margin-top:28px;font-size:12px;color:#ad9eb3}
        @media (max-width:991px){
            .status-line{display:none}.hero{padding-top:40px}.featured-card{grid-template-columns:1fr}
            .feature-art{min-height:210px}.footer-grid{grid-template-columns:1fr 1fr}
        }
        @media (max-width:767px){
            .brand-row{min-height:64px}.utility-link{font-size:0;padding:9px 12px}.utility-link::before{content:"⌕";font-size:20px}
            .hero{padding:32px 0}.hero-panel{margin-top:10px}.section{padding:38px 0}
            .section-head{display:block}.section-note{margin-top:12px}.cta{display:block;padding:27px;margin-bottom:40px}.cta .btn-main{margin-top:20px}
        }
        @media (max-width:520px){
            .container{padding-left:16px;padding-right:16px}h1{font-size:35px}.hero-copy{font-size:15px}
            .panel-grid{grid-template-columns:1fr}.hero-panel{padding:20px}.feature-art{min-height:170px}
            .item-top{align-items:flex-start;display:block}.state{display:inline-block;margin-top:9px}
            .footer-grid{grid-template-columns:1fr}.copyright{display:block}.copyright span{display:block;margin-top:6px}
        }

/* roulang page: category2 */
:root{
      --ink:#211c2b;
      --ink-soft:#5d5667;
      --paper:#f7f1eb;
      --panel:#fffaf5;
      --panel-dark:#2c2535;
      --plum:#713e79;
      --plum-deep:#442648;
      --coral:#f06f62;
      --orange:#ffad62;
      --lime:#d8ed72;
      --cyan:#8be3d4;
      --line:#decfc7;
      --line-dark:#55485c;
      --radius-xl:28px;
      --radius-lg:20px;
      --radius-md:14px;
      --shadow:7px 8px 0 rgba(68,38,72,.12);
      --shadow-small:4px 5px 0 rgba(68,38,72,.14);
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background-color:var(--paper);
      background-image:linear-gradient(rgba(113,62,121,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(113,62,121,.035) 1px,transparent 1px);
      background-size:22px 22px;
      font-family:"Noto Sans SC","Microsoft YaHei","PingFang SC",Arial,sans-serif;
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--coral);outline-offset:4px}
    .container{max-width:1220px}
    .site-header{position:relative;z-index:10;background:rgba(247,241,235,.94);border-bottom:1px solid var(--line)}
    .brand-row{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand-lockup{display:flex;align-items:center;gap:13px;min-width:0}
    .brand-mark{width:42px;height:42px;flex:0 0 42px;position:relative;background:linear-gradient(135deg,var(--plum),var(--coral));border-radius:11px 16px 9px 16px;box-shadow:4px 4px 0 var(--plum-deep)}
    .brand-mark::before,.brand-mark::after{content:"";position:absolute;background:var(--lime)}
    .brand-mark::before{width:9px;height:9px;left:9px;top:10px;box-shadow:14px 0 0 var(--lime),0 14px 0 var(--orange)}
    .brand-mark::after{width:9px;height:9px;right:8px;bottom:8px;background:var(--cyan)}
    .brand-name{font-size:clamp(16px,2vw,22px);font-weight:900;letter-spacing:-.04em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .brand-sub{display:block;font-size:11px;color:var(--ink-soft);font-weight:700;letter-spacing:.08em}
    .header-status{display:flex;align-items:center;gap:9px;margin-left:auto}
    .status-dot{width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(216,237,114,.3)}
    .status-text{font-size:13px;color:var(--ink-soft);font-weight:700}
    .header-actions{display:flex;align-items:center;gap:9px}
    .mini-action{min-height:42px;border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:8px 13px;font-size:13px;font-weight:800;transition:.2s ease}
    .mini-action:hover{transform:translate(-2px,-2px);border-color:var(--plum);box-shadow:var(--shadow-small)}
    .menu-toggle{display:none;border:1px solid var(--line);background:var(--panel);border-radius:12px;width:44px;height:44px}
    .channel-bar{border-top:1px solid rgba(222,207,199,.75);overflow:hidden}
    .channel-nav{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:11px 0;scrollbar-width:none}
    .channel-nav::-webkit-scrollbar{display:none}
    .channel-link{position:relative;flex:0 0 auto;padding:9px 17px;border:1px solid transparent;border-radius:999px;color:var(--ink-soft);font-size:14px;font-weight:900;transition:.2s ease}
    .channel-link:hover{color:var(--plum);background:#fff8f0;border-color:var(--line)}
    .channel-link.active{color:#fff;background:linear-gradient(100deg,var(--plum),var(--coral));box-shadow:4px 4px 0 rgba(68,38,72,.18)}
    .channel-link.active::after{content:"当前频道";font-size:9px;position:absolute;right:-3px;top:-9px;color:var(--ink);background:var(--lime);border-radius:8px;padding:1px 5px;letter-spacing:.04em}
    .page-main{padding-bottom:80px}
    .category-hero{padding:72px 0 44px}
    .hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(290px,5fr);gap:38px;align-items:end}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--plum);font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;margin-bottom:18px}
    .eyebrow::before{content:"";width:24px;height:5px;border-radius:5px;background:var(--coral)}
    h1,h2,h3,p{overflow-wrap:anywhere}
    h1{font-size:clamp(34px,5vw,62px);line-height:1.12;letter-spacing:-.065em;font-weight:950;margin:0 0 20px;max-width:760px}
    .hero-copy{font-size:17px;color:var(--ink-soft);max-width:690px;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .btn-brand,.btn-quiet{min-height:48px;padding:11px 20px;border-radius:14px;font-weight:900;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;transition:.2s ease}
    .btn-brand{color:#fff;background:linear-gradient(100deg,var(--plum),var(--coral));box-shadow:var(--shadow-small)}
    .btn-brand:hover{color:#fff;transform:translate(-3px,-3px);background:linear-gradient(100deg,var(--coral),var(--plum));box-shadow:7px 8px 0 rgba(68,38,72,.2)}
    .btn-brand:active,.btn-quiet:active{transform:translate(0,0);box-shadow:inset 2px 3px 0 rgba(0,0,0,.14)}
    .btn-quiet{color:var(--plum);background:var(--panel);border-color:var(--line)}
    .btn-quiet:hover{color:var(--plum-deep);transform:translateY(-2px);border-color:var(--plum);box-shadow:var(--shadow-small)}
    .hero-panel{background:var(--panel-dark);color:#fff;border-radius:var(--radius-xl);padding:24px;position:relative;min-height:270px;overflow:hidden;box-shadow:var(--shadow)}
    .hero-panel::before{content:"";position:absolute;width:180px;height:180px;border:1px solid rgba(216,237,114,.3);border-radius:50%;right:-45px;top:-55px}
    .hero-panel::after{content:"";position:absolute;width:8px;height:8px;background:var(--lime);right:38px;top:38px;box-shadow:17px 0 var(--coral),0 17px var(--cyan),17px 17px var(--orange)}
    .panel-top{display:flex;justify-content:space-between;gap:15px;align-items:center;position:relative;z-index:1}
    .panel-kicker{color:var(--lime);font-size:12px;font-weight:900;letter-spacing:.1em}
    .panel-code{font-family:monospace;color:#d9cedf;font-size:12px}
    .panel-title{font-size:25px;line-height:1.25;font-weight:950;margin:34px 0 22px;max-width:300px}
    .panel-foot{display:flex;gap:9px;flex-wrap:wrap}
    .data-badge{display:inline-flex;align-items:center;gap:7px;background:#403548;border:1px solid var(--line-dark);border-radius:999px;padding:7px 11px;color:#fff;font-size:12px;font-weight:800}
    .data-badge strong{color:var(--lime);font-family:monospace;font-size:15px}
    .section{padding:48px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}
    .section-label{font-size:12px;color:var(--coral);font-weight:950;letter-spacing:.12em;margin-bottom:8px}
    h2{font-size:clamp(26px,3.3vw,40px);line-height:1.2;letter-spacing:-.045em;font-weight:950;margin:0}
    .section-note{max-width:420px;color:var(--ink-soft);font-size:14px;margin:0}
    .index-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:24px;align-items:start}
    .topic-rail{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px;position:sticky;top:20px}
    .rail-title{font-size:14px;font-weight:950;margin-bottom:12px}
    .topic-list{display:flex;flex-direction:column;gap:7px}
    .topic-link{padding:11px 12px;border-radius:11px;color:var(--ink-soft);font-size:13px;font-weight:800;border-left:3px solid transparent;transition:.2s ease}
    .topic-link:hover{background:#f7e5dc;color:var(--plum);border-left-color:var(--coral)}
    .topic-link.active{background:var(--plum);color:#fff;border-left-color:var(--lime)}
    .content-stack{display:flex;flex-direction:column;gap:16px}
    .feature-strip{background:linear-gradient(110deg,var(--plum-deep),var(--plum));color:#fff;border-radius:var(--radius-xl);padding:25px 28px;display:grid;grid-template-columns:1fr auto;gap:25px;align-items:center;box-shadow:var(--shadow)}
    .feature-strip .tag{color:var(--lime)}
    .tag{font-size:11px;font-weight:950;letter-spacing:.1em}
    .feature-strip h3{font-size:25px;line-height:1.3;margin:8px 0 8px;font-weight:950}
    .feature-strip p{color:#eadfeb;font-size:14px;margin:0;max-width:620px}
    .feature-meta{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
    .feature-number{font:900 42px/1 monospace;color:var(--orange)}
    .timeline{position:relative;padding:4px 0 4px 34px}
    .timeline::before{content:"";position:absolute;left:10px;top:0;bottom:0;width:2px;background:linear-gradient(var(--coral),var(--plum),var(--lime))}
    .timeline-item{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:19px 21px;margin-bottom:14px;transition:.2s ease}
    .timeline-item::before{content:"";position:absolute;left:-30px;top:25px;width:13px;height:13px;border-radius:4px;background:var(--coral);border:3px solid var(--paper);box-shadow:0 0 0 1px var(--plum)}
    .timeline-item:hover{transform:translateX(4px);border-color:var(--plum);box-shadow:var(--shadow-small)}
    .item-row{display:flex;justify-content:space-between;gap:16px;align-items:start}
    .item-index{font:900 13px monospace;color:var(--plum)}
    .item-title{font-size:19px;line-height:1.35;font-weight:950;margin:4px 0 6px}
    .item-summary{font-size:14px;color:var(--ink-soft);margin:0}
    .item-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}
    .item-meta span{font-size:11px;color:var(--ink-soft);background:#f2e7df;border-radius:8px;padding:4px 8px;font-weight:800}
    .stats-band{margin-top:25px;background:#f0d8cc;border:1px solid #d5b7aa;border-radius:var(--radius-lg);padding:19px;display:flex;flex-wrap:wrap;gap:20px;justify-content:space-around}
    .stat{text-align:center;min-width:120px}
    .stat strong{display:block;font:950 28px/1.2 monospace;color:var(--plum)}
    .stat span{font-size:12px;color:var(--ink-soft);font-weight:800}
    .faq-wrap{max-width:850px}
    .accordion-item{background:var(--panel);border:1px solid var(--line)!important;border-radius:14px!important;margin-bottom:10px;overflow:hidden}
    .accordion-button{background:var(--panel);color:var(--ink);font-weight:900;box-shadow:none!important;padding:18px 20px}
    .accordion-button:not(.collapsed){background:#f3dfd8;color:var(--plum)}
    .accordion-button::after{filter:hue-rotate(270deg)}
    .accordion-body{color:var(--ink-soft);font-size:14px;padding:0 20px 19px}
    .cta-box{margin-top:50px;border-radius:var(--radius-xl);padding:34px 38px;background:linear-gradient(105deg,var(--coral),var(--orange));display:flex;justify-content:space-between;align-items:center;gap:24px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .cta-box::after{content:"";position:absolute;right:40px;bottom:-60px;width:180px;height:180px;border:2px dashed rgba(68,38,72,.25);transform:rotate(18deg)}
    .cta-box h2{color:var(--ink);max-width:650px}
    .cta-box p{margin:10px 0 0;color:#55384b;font-size:14px;max-width:620px}
    footer{background:var(--panel-dark);color:#fff;padding:52px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:38px}
    footer h3{font-size:17px;font-weight:950;margin:0 0 13px}
    footer p,footer li,footer a{font-size:13px;color:#d7cbdc}
    footer p{margin:0 0 10px;max-width:390px}
    footer ul{list-style:none;margin:0;padding:0;display:grid;gap:7px}
    footer a:hover{color:var(--lime)}
    .legal-note{color:#f5c7a7!important}
    .copyright{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line-dark);margin-top:34px;padding-top:18px;font-size:12px;color:#bbaec2}
    .copyright a{font-size:12px}
    @media (max-width:991px){
      .header-status{display:none}
      .hero-grid{grid-template-columns:1fr}
      .hero-panel{max-width:600px}
      .index-layout{grid-template-columns:210px minmax(0,1fr)}
    }
    @media (max-width:767px){
      .brand-row{min-height:72px}
      .brand-sub{display:none}
      .header-actions .mini-action{display:none}
      .menu-toggle{display:block}
      .channel-nav{padding:10px 12px}
      .category-hero{padding:48px 0 28px}
      .section{padding:34px 0}
      .section-head{display:block}
      .section-note{margin-top:12px}
      .index-layout{grid-template-columns:1fr}
      .topic-rail{position:static}
      .topic-list{display:flex;flex-direction:row;overflow-x:auto;padding-bottom:3px}
      .topic-link{white-space:nowrap}
      .feature-strip{grid-template-columns:1fr;padding:22px}
      .feature-meta{align-items:flex-start;flex-direction:row}
      .cta-box{display:block;padding:28px 24px}
      .cta-box .btn-brand{margin-top:20px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .copyright{display:block}
      .copyright span{display:block;margin-bottom:7px}
    }
    @media (max-width:520px){
      .container{padding-left:18px;padding-right:18px}
      .brand-name{font-size:15px}
      h1{font-size:clamp(31px,10vw,43px)}
      .hero-copy{font-size:15px}
      .hero-actions{display:grid}
      .btn-brand,.btn-quiet{width:100%}
      .hero-panel{min-height:240px;padding:20px}
      .panel-title{font-size:22px;margin-top:28px}
      .item-row{display:block}
      .item-index{display:inline-block;margin-bottom:2px}
      .stats-band{justify-content:flex-start}
      .stat{text-align:left;min-width:42%}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }