/* roulang page: index */
:root{
            --coral:#ef6d68;
            --berry:#8b4c83;
            --apricot:#f8dfca;
            --mist:#ece5f2;
            --sage:#dfe9e0;
            --ink:#302935;
            --muted:#756d79;
            --cream:#fffaf7;
            --paper:#f7f2ef;
            --line:rgba(70,48,66,.14);
            --dark:#292331;
            --radius-xl:32px;
            --radius-lg:24px;
            --radius-md:18px;
            --shadow:0 20px 55px rgba(71,44,69,.12);
            --gradient:linear-gradient(120deg,var(--coral),var(--berry));
        }
        *,*::before,*::after{box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.7}
        ::selection{background:rgba(239,109,104,.25);color:var(--ink)}
        img{display:block;max-width:100%}
        a{color:inherit;text-decoration:none;transition:.25s ease}
        button,input{font:inherit}
        button{border:0}
        :focus-visible{outline:3px solid rgba(239,109,104,.55);outline-offset:4px}
        .container{max-width:1220px}
        .site-header{position:fixed;z-index:1000;top:18px;left:0;right:0}
        .nav-shell{min-height:70px;padding:12px 18px;border:1px solid rgba(255,255,255,.75);border-radius:22px;background:rgba(255,250,247,.78);box-shadow:0 12px 35px rgba(63,42,61,.09);backdrop-filter:blur(18px);transition:.3s}
        .nav-shell.is-scrolled{background:rgba(255,250,247,.96);box-shadow:0 15px 40px rgba(63,42,61,.14)}
        .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
        .brand-mark{width:37px;height:37px;display:grid;place-items:center;border-radius:12px;background:var(--gradient);color:#fff;font-size:13px;box-shadow:0 8px 18px rgba(173,76,119,.25)}
        .brand-text{font-size:17px}
        .nav-links{display:flex;align-items:center;gap:8px}
        .nav-links a:not(.btn-main){padding:9px 14px;border-radius:12px;font-size:14px;color:var(--muted)}
        .nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(239,109,104,.1)}
        .nav-links a.active{font-weight:700;position:relative}
        .nav-links a.active:after{content:"";position:absolute;bottom:4px;left:14px;right:14px;height:2px;border-radius:4px;background:var(--gradient)}
        .btn-main,.btn-soft{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 20px;border-radius:15px;font-weight:700;transition:.25s ease}
        .btn-main{color:#fff;background:var(--gradient);box-shadow:0 12px 24px rgba(175,71,112,.22)}
        .btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 28px rgba(175,71,112,.3)}
        .btn-main:active,.btn-soft:active{transform:translateY(1px)}
        .btn-soft{border:1px solid var(--line);background:rgba(255,255,255,.62);color:var(--ink)}
        .btn-soft:hover{background:var(--apricot);border-color:rgba(239,109,104,.35)}
        .menu-toggle{display:none;width:44px;height:44px;border-radius:13px;background:var(--mist);color:var(--ink);font-size:22px}
        .hero{position:relative;overflow:hidden;padding:170px 0 110px;background:radial-gradient(circle at 80% 15%,#f8dfca 0,transparent 30%),radial-gradient(circle at 15% 45%,#f0e3f1 0,transparent 27%),var(--cream)}
        .hero:after{content:"";position:absolute;right:-100px;top:180px;width:520px;height:300px;border-radius:50%;background:linear-gradient(120deg,rgba(239,109,104,.18),rgba(139,76,131,.16));filter:blur(30px);transform:rotate(-18deg)}
        .hero-content{position:relative;z-index:1}
        .eyebrow,.badge-soft{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid rgba(239,109,104,.22);border-radius:999px;background:rgba(255,255,255,.65);color:var(--berry);font-size:13px;font-weight:700}
        .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 5px rgba(239,109,104,.12)}
        h1,h2,h3{font-weight:800;letter-spacing:-.055em;line-height:1.18}
        h1{max-width:650px;margin:24px 0 22px;font-size:clamp(40px,5.3vw,72px)}
        .gradient-text{background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
        .hero-copy{max-width:650px;color:var(--muted);font-size:18px;line-height:1.9}
        .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:31px}
        .micro-note{margin-top:22px;color:var(--muted);font-size:13px}
        .visual-stage{position:relative;min-height:430px;margin-top:5px}
        .visual-main{position:absolute;inset:28px 22px 20px 35px;overflow:hidden;border-radius:var(--radius-xl);background:linear-gradient(145deg,#3a2d3e,#17151e);box-shadow:var(--shadow);transform:rotate(3deg)}
        .visual-main:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 25%,rgba(239,109,104,.72),transparent 22%),linear-gradient(135deg,transparent 35%,rgba(139,76,131,.8));opacity:.85}
        .visual-grid{position:absolute;inset:28px;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:34px 34px;opacity:.35}
        .visual-label{position:absolute;left:30px;bottom:30px;color:#fff}
        .visual-label strong{display:block;font-size:30px;letter-spacing:-.05em}
        .float-card{position:absolute;z-index:2;padding:18px 19px;border:1px solid rgba(255,255,255,.58);border-radius:20px;background:rgba(255,250,247,.86);box-shadow:var(--shadow);backdrop-filter:blur(12px)}
        .float-one{top:12px;right:0;width:185px}.float-two{bottom:0;left:0;width:190px;background:rgba(223,233,224,.9)}.float-three{top:45%;right:-18px;width:150px;background:rgba(236,229,242,.92)}
        .float-card small{display:block;color:var(--muted);font-size:12px}.float-card strong{display:block;margin-top:3px;font-size:20px}
        .section{padding:100px 0}.section-muted{background:var(--paper)}
        .section-head{max-width:680px;margin-bottom:42px}.section-kicker{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.section-head h2{margin:10px 0 15px;font-size:clamp(30px,4vw,48px)}.section-head p{margin:0;color:var(--muted)}
        .feature-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
        .feature-card,.mini-card,.feedback-card,.faq-wrap{border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:0 12px 32px rgba(71,44,69,.06);transition:.28s ease}
        .feature-card{padding:35px;background:var(--apricot);min-height:290px}.mini-stack{display:grid;gap:22px}.mini-card{padding:28px}.mini-card:nth-child(1){background:var(--mist)}.mini-card:nth-child(2){background:var(--sage)}
        .feature-card:hover,.mini-card:hover,.feedback-card:hover{transform:translateY(-5px);border-color:rgba(239,109,104,.4);box-shadow:var(--shadow)}
        .number{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--gradient);color:#fff;font-size:13px;font-weight:800}
        .feature-card h3,.mini-card h3{margin:23px 0 9px;font-size:24px}.feature-card p,.mini-card p{color:var(--muted);margin:0}.card-link{display:inline-flex;margin-top:20px;color:var(--berry);font-weight:700;font-size:14px}
        .dark-stage{padding:42px;border-radius:var(--radius-xl);background:var(--dark);color:#fff;box-shadow:var(--shadow)}
        .stage-grid{display:grid;grid-template-columns:260px 1fr;gap:40px}.stage-title h2{font-size:38px;margin:10px 0 14px}.stage-title p{color:#c8bfca}
        .scene-nav{display:grid;gap:10px;margin-top:27px}.scene-btn{padding:14px 16px;text-align:left;border-radius:14px;background:rgba(255,255,255,.06);color:#bdb4c1;cursor:pointer}.scene-btn:hover,.scene-btn.active{background:var(--gradient);color:#fff}.scene-btn span{margin-right:12px;font-weight:800}
        .scene-preview{min-height:310px;padding:30px;border-radius:24px;background:linear-gradient(145deg,#514052,#30283a);position:relative;overflow:hidden}.scene-preview:after{content:"";position:absolute;width:240px;height:240px;right:-40px;bottom:-80px;border-radius:50%;background:rgba(239,109,104,.35);filter:blur(5px)}
        .preview-top{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}.preview-title{margin:50px 0 24px;position:relative;z-index:1}.preview-title h3{font-size:32px}.preview-tags{display:flex;flex-wrap:wrap;gap:8px;position:relative;z-index:1}.tag{padding:6px 11px;border-radius:999px;background:rgba(255,255,255,.12);color:#eee0e7;font-size:12px}
        .trust-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:28px}.stat{padding:24px;border-radius:20px;background:#fff;border:1px solid var(--line)}.stat strong{display:block;font-size:32px;color:var(--berry)}.stat span{color:var(--muted);font-size:14px}
        .feedback-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}.feedback-card{padding:29px;background:#fff}.feedback-card.accent{background:linear-gradient(135deg,#fff1e8,#f0e8f4)}.feedback-card h3{font-size:22px;margin:15px 0 10px}.feedback-card p{margin:0;color:var(--muted)}
        .faq-wrap{overflow:hidden;background:#fff}.accordion-item{border:0;border-bottom:1px solid var(--line)}.accordion-item:last-child{border-bottom:0}.accordion-button{padding:23px 25px;background:#fff!important;color:var(--ink)!important;box-shadow:none!important;font-weight:700}.accordion-button:after{filter:hue-rotate(290deg)}.accordion-body{padding:0 25px 24px;color:var(--muted)}
        .info-band{padding:65px 0;background:linear-gradient(120deg,#3b2d40,#292331);color:#fff}.info-band .band-inner{display:flex;justify-content:space-between;align-items:center;gap:28px}.info-band p{margin:10px 0 0;color:#d5ccd6}.info-band h2{margin:0;font-size:35px}
        .site-footer{padding:65px 0 120px;background:var(--dark);color:#fff;border-top:2px solid rgba(239,109,104,.55)}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}.footer-brand{font-size:20px;font-weight:800}.footer-copy{max-width:330px;color:#bdb3c0;margin-top:14px}.footer-title{margin-bottom:15px;font-weight:700}.footer-links{display:grid;gap:10px;color:#bdb3c0;font-size:14px}.footer-links a:hover{color:#fff}.copyright{margin-top:45px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:#9d94a1;font-size:13px}
        .floating-cta{position:fixed;z-index:900;left:50%;bottom:20px;transform:translateX(-50%);width:min(860px,88vw);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px 15px 13px 22px;border:1px solid rgba(255,255,255,.8);border-radius:22px;background:rgba(255,250,247,.9);box-shadow:0 16px 45px rgba(50,35,49,.2);backdrop-filter:blur(16px)}.floating-cta strong{font-size:14px}.floating-cta small{display:block;color:var(--muted)}.close-cta{width:30px;height:30px;border-radius:9px;background:transparent;color:var(--muted);cursor:pointer}.close-cta:hover{background:var(--mist);color:var(--ink)}
        @media(max-width:991.98px){.nav-links{display:none;position:absolute;top:78px;left:0;right:0;padding:14px;border-radius:20px;background:rgba(255,250,247,.98);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a:not(.btn-main){padding:13px 15px}.nav-links .btn-main{text-align:center}.menu-toggle{display:block}.visual-stage{min-height:380px}.stage-grid,.feature-layout,.feedback-grid{grid-template-columns:1fr}.stage-grid{gap:25px}.scene-nav{display:flex;overflow:auto}.scene-btn{min-width:160px}.footer-grid{grid-template-columns:1fr 1fr}}
        @media(max-width:575.98px){body{font-size:15px}.site-header{top:10px}.nav-shell{min-height:62px}.brand-text{font-size:14px}.brand-mark{width:33px;height:33px}.hero{padding:130px 0 70px}h1{font-size:39px}.hero-copy{font-size:16px}.hero-actions{display:grid;grid-template-columns:1fr}.visual-stage{min-height:350px;margin-top:28px}.visual-main{inset:35px 8px 25px 20px}.float-one{right:0}.float-three{right:-4px;top:47%}.section{padding:68px 0}.section-head{margin-bottom:28px}.dark-stage{padding:25px 18px}.stage-title h2{font-size:31px}.scene-preview{min-height:290px;padding:22px}.trust-strip{grid-template-columns:1fr}.info-band .band-inner{display:block}.info-band .btn-main{margin-top:22px;width:100%}.footer-grid{grid-template-columns:1fr;gap:28px}.site-footer{padding-bottom:125px}.floating-cta{bottom:10px;width:calc(100% - 20px);padding:10px 10px 10px 15px}.floating-cta small{max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.floating-cta .btn-main{min-height:42px;padding:9px 13px;font-size:13px}.floating-cta .close-cta{display:none}}
        @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category1 */
:root{
      --coral:#ef6d68;--berry:#8b4c83;--apricot:#f8dfca;--mist:#ece5f2;
      --sage:#dfe9e0;--ink:#302935;--muted:#756d79;--cream:#fffaf7;
      --paper:#f7f2ef;--line:rgba(70,48,66,.14);--dark:#292331;
      --radius-xl:32px;--radius-lg:24px;--radius-md:18px;
      --shadow:0 20px 55px rgba(71,44,69,.12);
      --gradient:linear-gradient(120deg,var(--coral),var(--berry));
    }
    *,*:before,*:after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.7;padding-bottom:112px}
    ::selection{background:rgba(239,109,104,.25);color:var(--ink)}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    button,input{font:inherit}
    button{border:0}
    .container{max-width:1220px}
    .site-header{position:fixed;z-index:1000;top:18px;left:0;right:0}
    .nav-shell{min-height:70px;padding:12px 18px;border:1px solid rgba(255,255,255,.75);border-radius:22px;background:rgba(255,250,247,.78);box-shadow:0 12px 35px rgba(63,42,61,.09);backdrop-filter:blur(18px);transition:.3s}
    .nav-shell.is-scrolled{background:rgba(255,250,247,.96);box-shadow:0 15px 40px rgba(63,42,61,.14)}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:37px;height:37px;display:grid;place-items:center;border-radius:12px;background:var(--gradient);color:#fff;font-size:13px;box-shadow:0 8px 18px rgba(173,76,119,.25)}
    .brand-text{font-size:17px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a:not(.btn-main){padding:9px 14px;border-radius:12px;font-size:14px;color:var(--muted)}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(239,109,104,.1)}
    .nav-links a.active{font-weight:700;position:relative}
    .nav-links a.active:after{content:"";position:absolute;bottom:4px;left:14px;right:14px;height:2px;border-radius:4px;background:var(--gradient)}
    .btn-main,.btn-soft{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 20px;border-radius:15px;font-weight:700;transition:.25s ease}
    .btn-main{color:#fff!important;background:var(--gradient);box-shadow:0 12px 24px rgba(175,71,112,.22)}
    .btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 28px rgba(175,71,112,.3)}
    .btn-main:active,.btn-soft:active{transform:translateY(1px)}
    .btn-soft{border:1px solid var(--line);background:rgba(255,255,255,.62);color:var(--ink)}
    .btn-soft:hover{background:var(--apricot);border-color:rgba(239,109,104,.35)}
    :focus-visible{outline:3px solid rgba(239,109,104,.45);outline-offset:3px}
    .menu-toggle{display:none;width:44px;height:44px;border-radius:13px;background:var(--mist);color:var(--ink);font-size:22px;cursor:pointer}
    .page-hero{padding:155px 0 58px;background:radial-gradient(circle at 83% 14%,#f8dfca 0,transparent 31%),radial-gradient(circle at 10% 25%,#eee4f1 0,transparent 28%),var(--cream)}
    .breadcrumb{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:22px}
    .breadcrumb a:hover{color:var(--coral)}
    .hero-row{display:grid;grid-template-columns:1.12fr .88fr;gap:50px;align-items:center}
    .eyebrow,.badge-soft{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid rgba(239,109,104,.22);border-radius:999px;background:rgba(255,255,255,.65);color:var(--berry);font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 5px rgba(239,109,104,.12)}
    h1{font-size:clamp(36px,5vw,66px);line-height:1.12;letter-spacing:-.06em;font-weight:800;margin:18px 0}
    h1 span{color:var(--berry)}
    .hero-copy{max-width:650px;color:var(--muted);font-size:18px;line-height:1.9}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .cover-art{min-height:330px;border-radius:var(--radius-xl);position:relative;overflow:hidden;background:linear-gradient(145deg,#3a2d3e,#17151e);box-shadow:var(--shadow);padding:28px;color:#fff}
    .cover-art:before{content:"";position:absolute;width:280px;height:280px;right:-35px;top:-45px;border-radius:50%;background:rgba(239,109,104,.65);filter:blur(12px)}
    .cover-art:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 38%,rgba(139,76,131,.76))}
    .cover-inner{position:relative;z-index:1;height:100%;min-height:274px;display:flex;flex-direction:column;justify-content:space-between}
    .cover-index{font-size:12px;letter-spacing:.16em;color:#dbcbd8}
    .cover-title{font-size:32px;line-height:1.25;font-weight:800;max-width:270px}
    .cover-note{font-size:13px;color:#ddd1dc}
    .stamp{position:absolute;z-index:2;right:22px;bottom:24px;width:82px;height:82px;border:1px solid rgba(255,255,255,.55);border-radius:50%;display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.35;transform:rotate(9deg)}
    .section{padding:82px 0}
    .section-muted{background:var(--paper)}
    .section-head{max-width:700px;margin-bottom:34px}
    .section-kicker{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.13em}
    h2{margin:9px 0 13px;font-size:clamp(30px,4vw,46px);line-height:1.2;letter-spacing:-.045em}
    .section-head p{margin:0;color:var(--muted)}
    .filter-bar{display:flex;align-items:center;gap:12px;padding:14px 16px;margin-bottom:42px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.7);box-shadow:0 10px 28px rgba(71,44,69,.05);overflow:auto}
    .filter-label{white-space:nowrap;color:var(--muted);font-size:13px;font-weight:700}
    .filter-chip{white-space:nowrap;padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:13px;cursor:pointer}
    .filter-chip:hover,.filter-chip.active{background:var(--gradient);border-color:transparent;color:#fff}
    .status{margin-left:auto;white-space:nowrap;font-size:13px;color:var(--berry);font-weight:700}
    .index-layout{display:grid;grid-template-columns:220px 1fr;gap:35px}
    .side-panel{align-self:start;position:sticky;top:108px;padding:24px;border-radius:var(--radius-lg);background:var(--mist);border:1px solid var(--line)}
    .side-panel h3{font-size:19px;margin:0 0 11px}
    .side-panel p{font-size:14px;color:var(--muted);margin:0 0 20px}
    .side-list{display:grid;gap:8px;margin:0;padding:0;list-style:none}
    .side-list a{display:flex;justify-content:space-between;padding:10px 12px;border-radius:12px;color:var(--muted);font-size:14px}
    .side-list a:hover{background:#fff;color:var(--berry)}
    .side-cta{display:block;margin-top:21px;padding-top:18px;border-top:1px solid var(--line);color:var(--berry);font-weight:700;font-size:14px}
    .content-grid{display:grid;grid-template-columns:1.14fr .86fr;gap:22px}
    .index-card{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff;box-shadow:0 12px 32px rgba(71,44,69,.06);transition:.28s ease}
    .index-card:hover{transform:translateY(-5px);border-color:rgba(239,109,104,.42);box-shadow:var(--shadow)}
    .index-card.wide{grid-column:1/-1;display:grid;grid-template-columns:1.15fr .85fr}
    .card-visual{min-height:190px;padding:20px;position:relative;overflow:hidden;background:linear-gradient(145deg,#e9d7cf,#b47784)}
    .card-visual.violet{background:linear-gradient(145deg,#cfc5df,#71607e)}
    .card-visual.sage{background:linear-gradient(145deg,#dbe6dc,#859b8e)}
    .card-visual.dark{background:linear-gradient(145deg,#49394a,#211d2c)}
    .card-visual:after{content:"";position:absolute;width:180px;height:180px;right:-30px;top:-45px;border-radius:50%;background:rgba(255,255,255,.23);filter:blur(3px)}
    .visual-label{position:relative;z-index:1;display:inline-flex;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.7);font-size:12px;font-weight:700;color:var(--ink)}
    .visual-lines{position:absolute;z-index:1;left:22px;right:24px;bottom:25px;display:grid;gap:9px}
    .visual-lines i{display:block;height:8px;border-radius:10px;background:rgba(255,255,255,.58)}
    .visual-lines i:nth-child(2){width:68%}.visual-lines i:nth-child(3){width:45%}
    .card-body{padding:25px}
    .card-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px}
    .tag{display:inline-block;padding:5px 9px;border-radius:999px;background:var(--apricot);color:var(--berry);font-size:12px;font-weight:700}
    .index-card h3{font-size:23px;line-height:1.35;margin:14px 0 8px}
    .index-card p{color:var(--muted);font-size:14px;margin:0}
    .arrow-link{display:inline-flex;gap:7px;margin-top:18px;color:var(--berry);font-weight:700;font-size:14px}
    .arrow-link:hover{gap:11px;color:var(--coral)}
    .showcase{margin-top:70px;padding:33px 38px;border-radius:var(--radius-xl);background:var(--gradient);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:30px;box-shadow:var(--shadow)}
    .showcase h2{font-size:30px;margin:0 0 7px}.showcase p{margin:0;color:rgba(255,255,255,.82)}
    .showcase .btn-soft{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.45);color:#fff}
    .faq-wrap{padding:10px 24px;background:#fff}
    .accordion-item{border-bottom:1px solid var(--line)!important;background:transparent!important}
    .accordion-item:last-child{border-bottom:0!important}
    .accordion-button{padding:22px 4px;background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:700}
    .accordion-button:after{background-image:none;content:"＋";font-size:22px;color:var(--berry);transform:none}
    .accordion-button:not(.collapsed):after{content:"－"}
    .accordion-body{padding:0 30px 22px 4px;color:var(--muted);font-size:15px}
    .site-footer{padding:64px 0 100px;background:var(--dark);color:#fff;position:relative}
    .site-footer:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient)}
    .footer-grid{display:grid;grid-template-columns:1.5fr .7fr .7fr;gap:42px}
    .footer-brand{font-size:22px;font-weight:800;margin-bottom:10px}.footer-copy{max-width:390px;color:#c8bfca;margin:0}
    .footer-title{font-weight:700;margin-bottom:13px}.footer-links{display:grid;gap:7px;color:#c8bfca;font-size:14px}.footer-links a:hover{color:#fff}
    .copyright{padding-top:35px;margin-top:42px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:#aaa0ad}
    .fixed-cta{position:fixed;z-index:900;bottom:20px;left:50%;transform:translateX(-50%);width:min(86vw,940px);display:flex;align-items:center;gap:18px;padding:13px 15px 13px 22px;border:1px solid rgba(255,255,255,.8);border-radius:21px;background:rgba(255,250,247,.9);box-shadow:0 18px 45px rgba(52,34,52,.18);backdrop-filter:blur(16px)}
    .fixed-cta strong{font-size:14px}.fixed-cta small{display:block;color:var(--muted);font-size:12px}.fixed-cta .status{margin-left:auto}.close-cta{width:30px;height:30px;border-radius:50%;background:var(--mist);color:var(--muted);cursor:pointer}.close-cta:hover{background:var(--apricot);color:var(--ink)}
    @media(max-width:991px){
      .menu-toggle{display:block}.nav-links{display:none;position:absolute;top:78px;left:12px;right:12px;padding:14px;border-radius:18px;background:rgba(255,250,247,.98);box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a:not(.btn-main){padding:13px 15px}.nav-links .btn-main{margin-top:5px}.hero-row,.index-layout{grid-template-columns:1fr}.cover-art{min-height:280px}.side-panel{position:static}.content-grid{grid-template-columns:1fr}.index-card.wide{grid-column:auto;display:block}.showcase{align-items:flex-start;flex-direction:column}
    }
    @media(max-width:575px){
      body{font-size:15px;padding-bottom:96px}.site-header{top:10px}.brand-text{font-size:14px}.brand-mark{width:34px;height:34px}.page-hero{padding-top:120px}.hero-copy{font-size:16px}.hero-actions{display:grid;grid-template-columns:1fr}.hero-actions a{width:100%}.section{padding:62px 0}.filter-bar{margin-left:-10px;margin-right:-10px;border-radius:14px}.status{display:none}.card-body{padding:21px}.showcase{padding:27px 23px}.showcase h2{font-size:25px}.footer-grid{grid-template-columns:1fr;gap:28px}.site-footer{padding-bottom:55px}.fixed-cta{bottom:10px;width:calc(100% - 20px);padding:10px 10px 10px 14px;gap:9px}.fixed-cta small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:170px}.fixed-cta .btn-main{min-height:42px;padding:9px 13px;font-size:13px}.close-cta{display:none}
    }
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* roulang page: category2 */
:root{
      --coral:#ef6d68;
      --berry:#8b4c83;
      --apricot:#f8dfca;
      --mist:#ece5f2;
      --sage:#dfe9e0;
      --ink:#302935;
      --muted:#756d79;
      --cream:#fffaf7;
      --paper:#f7f2ef;
      --line:rgba(70,48,66,.14);
      --dark:#292331;
      --dark-2:#352b3b;
      --white:#fff;
      --radius-xl:32px;
      --radius-lg:24px;
      --radius-md:18px;
      --shadow:0 20px 55px rgba(71,44,69,.12);
      --gradient:linear-gradient(120deg,var(--coral),var(--berry));
    }
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.7}
    body.menu-open{overflow:hidden}
    img{display:block;max-width:100%;height:auto}
    a{color:inherit;text-decoration:none;transition:all .25s ease}
    button,input{font:inherit}
    button{border:0}
    ::selection{background:rgba(239,109,104,.25);color:var(--ink)}
    :focus-visible{outline:3px solid rgba(239,109,104,.55);outline-offset:3px}
    .container{max-width:1220px}
    .site-header{position:fixed;z-index:1000;top:18px;left:0;right:0}
    .nav-shell{min-height:70px;padding:12px 18px;border:1px solid rgba(255,255,255,.75);border-radius:22px;background:rgba(255,250,247,.78);box-shadow:0 12px 35px rgba(63,42,61,.09);backdrop-filter:blur(18px);transition:.3s}
    .nav-shell.is-scrolled{background:rgba(255,250,247,.96);box-shadow:0 15px 40px rgba(63,42,61,.14)}
    .brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:37px;height:37px;display:grid;place-items:center;border-radius:12px;background:var(--gradient);color:#fff;font-size:13px;box-shadow:0 8px 18px rgba(173,76,119,.25)}
    .brand-text{font-size:17px}
    .nav-links{display:flex;align-items:center;gap:8px}
    .nav-links a:not(.btn-main){padding:9px 14px;border-radius:12px;font-size:14px;color:var(--muted)}
    .nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(239,109,104,.1)}
    .nav-links a.active{font-weight:700;position:relative}
    .nav-links a.active:after{content:"";position:absolute;bottom:4px;left:14px;right:14px;height:2px;border-radius:4px;background:var(--gradient)}
    .btn-main,.btn-soft{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 20px;border-radius:15px;font-weight:700;transition:.25s ease}
    .btn-main{color:#fff;background:var(--gradient);box-shadow:0 12px 24px rgba(175,71,112,.22)}
    .btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 28px rgba(175,71,112,.3)}
    .btn-main:active,.btn-soft:active{transform:translateY(1px)}
    .btn-soft{border:1px solid var(--line);background:rgba(255,255,255,.62);color:var(--ink)}
    .btn-soft:hover{background:var(--apricot);border-color:rgba(239,109,104,.35)}
    .menu-toggle{display:none;width:44px;height:44px;border-radius:13px;background:var(--mist);color:var(--ink);font-size:22px;cursor:pointer}
    .page-hero{padding:155px 0 62px;background:radial-gradient(circle at 78% 20%,#f4d9d0 0,transparent 27%),var(--cream)}
    .breadcrumb-line{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:13px;margin-bottom:20px}
    .breadcrumb-line a:hover{color:var(--coral)}
    .hero-title{font-size:clamp(34px,5vw,64px);line-height:1.16;letter-spacing:-.055em;font-weight:800;margin:0 0 20px}
    .hero-title em{font-style:normal;background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
    .hero-lead{max-width:650px;color:var(--muted);font-size:18px;line-height:1.9;margin:0}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero-status{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}
    .badge-soft,.tag{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(239,109,104,.22);border-radius:999px;background:rgba(255,255,255,.68);color:var(--berry);font-size:13px;font-weight:700;padding:7px 12px}
    .hero-status .badge-soft:first-child:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--coral);box-shadow:0 0 0 5px rgba(239,109,104,.12)}
    .dark-hero{position:relative;overflow:hidden;padding:42px;border-radius:var(--radius-xl);background:linear-gradient(135deg,#2d2534,#433248 62%,#6b405e);color:#fff;box-shadow:var(--shadow)}
    .dark-hero:before{content:"";position:absolute;width:430px;height:430px;right:-100px;top:-170px;border-radius:50%;background:rgba(239,109,104,.25);filter:blur(12px)}
    .dark-hero:after{content:"";position:absolute;inset:0;opacity:.1;background-image:linear-gradient(rgba(255,255,255,.4) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.4) 1px,transparent 1px);background-size:34px 34px}
    .dark-hero>*{position:relative;z-index:1}
    .dark-hero .breadcrumb-line{color:#d6cbd7}
    .dark-hero .breadcrumb-line a:hover{color:#fff}
    .dark-hero .hero-lead{color:#ddd2de}
    .dark-hero .btn-soft{color:#fff;border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.08)}
    .dark-hero .btn-soft:hover{background:rgba(255,255,255,.17)}
    .index-stack{position:relative;min-height:350px}
    .index-card{position:absolute;border:1px solid rgba(255,255,255,.18);border-radius:22px;padding:22px;background:rgba(255,255,255,.1);backdrop-filter:blur(12px);box-shadow:0 18px 40px rgba(17,12,25,.2)}
    .index-card.main{inset:28px 30px 20px 20px;background:linear-gradient(145deg,rgba(255,255,255,.18),rgba(255,255,255,.04));transform:rotate(-4deg)}
    .index-card.one{right:0;top:0;width:180px;background:rgba(248,223,202,.92);color:var(--ink);transform:rotate(6deg)}
    .index-card.two{left:0;bottom:0;width:190px;background:rgba(223,233,224,.92);color:var(--ink);transform:rotate(3deg)}
    .index-card small{display:block;color:inherit;opacity:.68;font-size:12px}
    .index-card strong{display:block;font-size:21px;margin-top:8px}
    .index-card.main strong{font-size:30px;color:#fff;margin-top:75px}
    .index-lines{display:grid;gap:9px;margin-top:18px}
    .index-lines span{height:8px;border-radius:9px;background:rgba(255,255,255,.22)}
    .index-lines span:nth-child(2){width:72%}.index-lines span:nth-child(3){width:48%}
    .rail{padding:15px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow-x:auto;white-space:nowrap}
    .rail-inner{display:flex;align-items:center;gap:12px}
    .rail-label{font-size:13px;color:var(--muted);font-weight:700;margin-right:5px}
    .tag{background:var(--cream);color:var(--ink);border-color:var(--line);font-weight:600;cursor:pointer}
    .tag:hover,.tag.active{background:var(--apricot);border-color:rgba(239,109,104,.4);color:var(--berry)}
    .section{padding:92px 0}
    .section-muted{background:var(--paper)}
    .section-kicker{color:var(--coral);font-size:13px;font-weight:800;letter-spacing:.13em}
    .section-head{max-width:690px;margin-bottom:38px}
    .section-head h2{font-size:clamp(29px,4vw,46px);line-height:1.25;letter-spacing:-.04em;margin:9px 0 14px}
    .section-head p{color:var(--muted);margin:0}
    .track{display:flex;align-items:center;gap:0;margin:18px 0 55px;overflow-x:auto;padding:8px 0 16px}
    .track-item{min-width:180px;position:relative;padding-right:25px}
    .track-item:not(:last-child):after{content:"";position:absolute;top:15px;left:38px;right:18px;height:2px;background:linear-gradient(90deg,var(--coral),rgba(139,76,131,.22))}
    .track-dot{position:relative;z-index:1;width:31px;height:31px;display:grid;place-items:center;border-radius:50%;background:var(--gradient);color:#fff;font-size:12px;font-weight:800;margin-bottom:9px}
    .track-item span{font-size:14px;color:var(--muted);font-weight:700}
    .chapter{padding:30px 0}
    .chapter-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:42px;align-items:center}
    .chapter:nth-of-type(even) .chapter-grid{grid-template-columns:1.2fr .8fr}
    .chapter:nth-of-type(even) .chapter-copy{order:2}
    .chapter:nth-of-type(even) .chapter-visual{order:1}
    .chapter-copy{padding:12px 5px}
    .chapter-number{display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;border-radius:14px;background:var(--mist);color:var(--berry);font-weight:800}
    .chapter h2{font-size:32px;line-height:1.3;margin:18px 0 12px}
    .chapter-copy>p{color:var(--muted);max-width:510px}
    .entry-list{display:grid;gap:10px;margin-top:22px}
    .entry{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-top:1px solid var(--line)}
    .entry-index{color:var(--coral);font-size:13px;font-weight:800;padding-top:3px}
    .entry h3{font-size:16px;margin:0 0 3px}
    .entry p{font-size:14px;color:var(--muted);margin:0}
    .chapter-visual{min-height:330px;border-radius:var(--radius-xl);position:relative;overflow:hidden;background:linear-gradient(145deg,#d9c8df,#f8dfca);box-shadow:var(--shadow)}
    .chapter-visual.green{background:linear-gradient(145deg,#dfe9e0,#f4ddd2)}
    .chapter-visual.dark{background:linear-gradient(145deg,#302737,#67405b)}
    .visual-label{position:absolute;left:24px;top:22px;padding:7px 11px;border:1px solid rgba(255,255,255,.55);border-radius:999px;background:rgba(255,255,255,.35);font-size:12px;font-weight:800}
    .visual-panel{position:absolute;left:13%;right:13%;top:22%;bottom:12%;padding:24px;border-radius:22px;background:rgba(255,250,247,.8);box-shadow:0 20px 40px rgba(71,44,69,.17);transform:rotate(3deg)}
    .visual-panel.dark-panel{background:rgba(42,33,49,.82);color:#fff}
    .visual-panel h3{font-size:22px;margin:25px 0 16px}
    .visual-panel p{font-size:14px;color:var(--muted)}
    .dark-panel p{color:#d3c8d5}
    .visual-chip-row{display:flex;gap:7px;flex-wrap:wrap}
    .visual-chip{padding:6px 9px;border-radius:10px;background:var(--apricot);font-size:12px;color:var(--berry);font-weight:700}
    .dark-panel .visual-chip{background:rgba(255,255,255,.12);color:#fff}
    .matrix-section{background:var(--mist)}
    .matrix{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-template-rows:1fr 1fr;gap:16px}
    .matrix-card{min-height:150px;padding:25px;border-radius:var(--radius-lg);border:1px solid var(--line);background:rgba(255,250,247,.73);transition:.28s}
    .matrix-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(239,109,104,.4)}
    .matrix-card.large{grid-row:span 2;background:var(--gradient);color:#fff;display:flex;flex-direction:column;justify-content:flex-end}
    .matrix-card.tip{background:var(--sage)}
    .matrix-card h3{font-size:21px;margin:0 0 8px}
    .matrix-card p{font-size:14px;color:var(--muted);margin:0}
    .matrix-card.large p{color:rgba(255,255,255,.82)}
    .faq-wrap{overflow:hidden;background:rgba(255,255,255,.58)}
    .accordion-item{border:0!important;border-bottom:1px solid var(--line)!important;background:transparent}
    .accordion-item:last-child{border-bottom:0!important}
    .accordion-button{padding:23px 25px;background:transparent!important;color:var(--ink)!important;box-shadow:none!important;font-weight:750;font-size:16px}
    .accordion-button:after{width:12px;height:12px;background:none;border-right:2px solid var(--berry);border-bottom:2px solid var(--berry);transform:rotate(45deg);transition:.25s}
    .accordion-button:not(.collapsed):after{transform:rotate(225deg)}
    .accordion-body{padding:0 25px 24px;color:var(--muted);font-size:15px}
    .cta-band{padding:42px;border-radius:var(--radius-xl);background:var(--apricot);display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-band h2{font-size:30px;margin:0 0 8px}
    .cta-band p{margin:0;color:var(--muted)}
    .site-footer{position:relative;padding:70px 0 120px;background:var(--dark);color:#fff;overflow:hidden}
    .site-footer:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient)}
    .footer-grid{display:grid;grid-template-columns:1.6fr .7fr .7fr;gap:50px}
    .footer-brand{font-size:20px;font-weight:800;margin-bottom:12px}
    .footer-copy{max-width:390px;color:#bdb3c1;margin:0}
    .footer-title{font-size:13px;color:#e8dce8;font-weight:800;margin-bottom:14px}
    .footer-links{display:grid;gap:8px}
    .footer-links a{color:#bdb3c1;font-size:14px}
    .footer-links a:hover{color:#fff;transform:translateX(3px)}
    .copyright{padding-top:28px;margin-top:45px;border-top:1px solid rgba(255,255,255,.12);color:#998d9d;font-size:13px}
    .floating-cta{position:fixed;z-index:900;left:50%;bottom:18px;transform:translateX(-50%);width:min(860px,86vw);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 14px 12px 22px;border:1px solid rgba(255,255,255,.85);border-radius:20px;background:rgba(255,250,247,.9);box-shadow:0 18px 45px rgba(63,42,61,.2);backdrop-filter:blur(18px)}
    .floating-cta strong{font-size:14px}.floating-cta small{display:block;color:var(--muted);font-size:12px}
    .floating-cta .btn-main{min-height:42px;padding:9px 16px;font-size:14px;white-space:nowrap}
    .cta-close{width:28px;height:28px;border-radius:50%;background:transparent;color:var(--muted);font-size:20px;line-height:1;cursor:pointer}
    .cta-close:hover{background:var(--mist);color:var(--ink)}
    .hidden-cta{display:none!important}
    @media(max-width:991.98px){
      .site-header{top:10px}.menu-toggle{display:block}
      .nav-links{display:none;position:absolute;left:12px;right:12px;top:76px;padding:14px;flex-direction:column;align-items:stretch;border:1px solid var(--line);border-radius:20px;background:rgba(255,250,247,.98);box-shadow:var(--shadow)}
      .nav-links.open{display:flex}.nav-links a:not(.btn-main){padding:13px 15px}
      .nav-links .btn-main{margin-top:6px}
      .page-hero{padding-top:130px}.dark-hero{padding:30px}
      .chapter-grid,.chapter:nth-of-type(even) .chapter-grid{grid-template-columns:1fr;gap:25px}
      .chapter:nth-of-type(even) .chapter-copy,.chapter:nth-of-type(even) .chapter-visual{order:initial}
      .chapter-visual{min-height:290px}.matrix{grid-template-columns:1fr 1fr;grid-template-rows:auto}
      .matrix-card.large{grid-row:span 1;min-height:240px}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:767.98px){
      body{font-size:15px;line-height:1.8}.container{padding-left:20px;padding-right:20px}
      .brand-text{font-size:15px}.page-hero{padding:115px 0 40px}
      .dark-hero{padding:24px;border-radius:24px}.hero-title{font-size:38px}
      .hero-lead{font-size:16px}.hero-actions .btn-main,.hero-actions .btn-soft{flex:1}
      .index-stack{min-height:290px;margin-top:25px}.index-card.main{inset:25px 22px 18px 18px}
      .index-card.main strong{margin-top:48px;font-size:24px}.index-card.one{width:145px;padding:16px}.index-card.two{width:155px;padding:16px}
      .section{padding:65px 0}.track{margin-bottom:30px}.track-item{min-width:150px}
      .chapter{padding:18px 0}.chapter h2{font-size:28px}.chapter-visual{min-height:260px}
      .matrix{grid-template-columns:1fr}.matrix-card.large{min-height:200px}.cta-band{padding:28px;display:block}.cta-band .btn-main{margin-top:20px;width:100%}
      .footer-grid{grid-template-columns:1fr;gap:28px}.site-footer{padding-bottom:125px}
      .floating-cta{width:calc(100% - 24px);bottom:10px;padding:10px 10px 10px 15px;gap:9px}
      .floating-cta small{max-width:155px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.floating-cta .btn-main{padding:8px 12px}
    }
    @media(max-width:420px){.brand-mark{width:33px;height:33px}.brand{gap:7px}.brand-text{font-size:14px}.floating-cta strong{font-size:13px}}
    @media(prefers-reduced-motion:reduce){
      *,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}
    }