/* roulang page: index */
:root{
      --coral:#e56d5f;
      --coral-dark:#c7524d;
      --berry:#8d4053;
      --cream:#fffaf3;
      --peach:#fff0e6;
      --ink:#30272a;
      --muted:#756a6b;
      --line:#eadbd3;
      --card:#ffffff;
      --shadow:0 18px 45px rgba(116,73,63,.10);
      --radius:22px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.8}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,250,243,.92);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,219,211,.85)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 18px rgba(229,109,95,.25)}
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-links a{padding:9px 14px;border-radius:12px;color:#655a5a;font-size:14px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--coral-dark);background:#fff0e9}
    .nav-cta{padding:11px 17px;border-radius:13px;background:var(--coral);color:#fff;font-size:14px;font-weight:700;transition:.2s}
    .nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff8f2;border-radius:11px;padding:9px 12px;color:var(--berry)}
    .section{padding:82px 0;border-bottom:1px solid rgba(234,219,211,.75)}
    .section.soft{background:#fff5ee}
    .section.dark{background:#402d32;color:#fff8f1;border-bottom:0}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--coral);display:inline-block}
    .section-head{max-width:700px;margin-bottom:34px}
    .section-title{font-size:clamp(28px,4vw,42px);line-height:1.25;letter-spacing:-.045em;margin:12px 0 14px;font-weight:850}
    .section-desc{color:var(--muted);font-size:16px;margin:0;max-width:720px}
    .dark .section-desc{color:#dbcac3}
    .metric-strip{padding:30px 0 26px;background:#fffdf9}
    .metric-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}
    .metric{padding:22px 24px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric-label{font-size:13px;color:var(--muted);margin-bottom:8px}
    .metric-value{font-size:21px;font-weight:850;color:var(--berry)}
    .metric-note{font-size:12px;color:#9b8986;margin-top:4px}
    .hero{padding:70px 0 88px;background:linear-gradient(105deg,#fffaf3 0%,#fff1e8 55%,#f8dfd6 100%);overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:60px;align-items:center}
    .hero h1{font-size:clamp(38px,5.4vw,66px);line-height:1.12;letter-spacing:-.065em;margin:16px 0 22px;font-weight:900}
    .hero-copy{font-size:17px;color:#665958;max-width:610px;margin-bottom:30px}
    .button-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .btn{min-height:46px;padding:11px 19px;border-radius:13px;border:1px solid transparent;font-weight:750;font-size:14px;transition:.22s;display:inline-flex;align-items:center;justify-content:center}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 22px rgba(229,109,95,.22)}
    .btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 14px 27px rgba(229,109,95,.3)}
    .btn-outline{border-color:#d9bcb1;background:rgba(255,255,255,.5);color:var(--berry)}
    .btn-outline:hover{border-color:var(--coral);background:#fff;color:var(--coral-dark)}
    .btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(229,109,95,.35);outline-offset:3px}
    .hero-visual{position:relative;min-height:365px;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);background:#714451}
    .hero-visual img{width:100%;height:365px;object-fit:cover;opacity:.82}
    .hero-panel{position:absolute;left:24px;right:24px;bottom:22px;background:rgba(55,37,42,.88);color:#fff5ed;border-radius:17px;padding:18px 20px;display:flex;justify-content:space-between;align-items:end;gap:20px}
    .hero-panel strong{font-size:18px}.hero-panel span{display:block;color:#e8d4cc;font-size:13px;margin-top:4px}
    .status-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#f2ae7d;margin-right:7px}
    .matrix{display:grid;grid-template-columns:1.25fr .85fr .85fr;gap:18px}
    .matrix-card,.info-card,.news-card,.device-card,.faq-wrap,.form-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(116,73,63,.045)}
    .matrix-card{padding:28px;min-height:180px;position:relative;overflow:hidden}
    .matrix-card.large{grid-row:span 2;background:var(--berry);color:#fff8f1}
    .matrix-card.large p{color:#ead4ce}
    .matrix-card h3,.info-card h3,.news-card h3,.device-card h3{font-size:19px;margin:12px 0 8px;line-height:1.4}
    .matrix-card p,.info-card p,.news-card p,.device-card p{font-size:14px;color:var(--muted);margin:0}
    .matrix-card.large p{color:#ead4ce}
    .matrix-icon{width:39px;height:39px;border-radius:12px;background:#fff0e8;color:var(--coral-dark);display:grid;place-items:center;font-weight:900}
    .matrix-card.large .matrix-icon{background:#f4b5a4;color:#63333c}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
    .compare-card{padding:28px;border-radius:20px;border:1px solid var(--line);background:#fff}
    .compare-card.current{border:2px solid #e8a092;background:#fff8f4}
    .compare-card h3{margin:0 0 18px;font-size:20px}
    .compare-list{list-style:none;padding:0;margin:0}
    .compare-list li{padding:12px 0;border-top:1px solid #f0e3dc;font-size:14px;color:var(--muted);display:flex;gap:10px}
    .compare-list b{color:var(--berry);font-weight:700;min-width:80px}
    .timeline{position:relative;max-width:820px;margin:10px auto 0}
    .timeline:before{content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;background:#e7c9bd}
    .timeline-item{position:relative;padding:0 0 30px 44px}
    .timeline-item:last-child{padding-bottom:0}
    .timeline-dot{position:absolute;left:4px;top:8px;width:16px;height:16px;border-radius:50%;background:var(--coral);border:4px solid #fff5ee;box-shadow:0 0 0 1px #e2b7ab}
    .timeline-date{font-size:12px;color:var(--coral-dark);font-weight:800}
    .timeline-item h3{font-size:18px;margin:5px 0 5px}
    .timeline-item p{color:var(--muted);font-size:14px;margin:0}
    .news-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:26px}
    .news-feature{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line)}
    .news-feature img{width:100%;height:245px;object-fit:cover}
    .news-content{padding:24px}
    .tag{display:inline-flex;padding:5px 10px;background:#fff0e8;color:var(--coral-dark);border-radius:999px;font-size:12px;font-weight:750}
    .news-content h3{font-size:24px;line-height:1.4;margin:13px 0 8px}
    .news-list{display:flex;flex-direction:column;gap:13px}
    .news-card{padding:18px 20px;transition:.2s}
    .news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .news-card h3{font-size:16px;margin:0 0 5px}.news-card p{font-size:13px}
    .news-meta{font-size:12px;color:#a28e89;margin-top:9px}
    .device-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .device-card{padding:22px}
    .device-card h3{font-size:16px;margin-top:10px}.device-card p{font-size:13px}
    .device-mark{font-size:25px;color:var(--coral-dark)}
    .quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .quick-item{padding:23px;background:#50383e;border:1px solid rgba(255,255,255,.13);border-radius:18px}
    .quick-item strong{display:block;color:#ffd8c8;font-size:16px;margin-bottom:7px}
    .quick-item p{color:#dbcac3;font-size:14px;margin:0}
    .faq-wrap{padding:8px 25px;background:#fff}
    details{border-bottom:1px solid #eee0da;padding:18px 0}
    details:last-child{border-bottom:0}
    summary{cursor:pointer;font-weight:750;list-style:none;padding-right:28px;position:relative}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:0;color:var(--coral);font-size:22px;top:-3px}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:12px 0 2px;max-width:850px}
    .form-box{padding:32px;background:#fff7f1}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .field{display:flex;flex-direction:column;gap:7px}
    .field.full{grid-column:1/-1}
    label{font-size:13px;font-weight:750;color:var(--berry)}
    input,select,textarea{width:100%;border:1px solid #e4cec4;background:#fff;border-radius:11px;padding:12px 13px;color:var(--ink);transition:.2s}
    textarea{min-height:118px;resize:vertical}
    input::placeholder,textarea::placeholder{color:#b3a4a0}
    input:hover,select:hover,textarea:hover{border-color:#d9a89a}
    .form-note{font-size:12px;color:#9b8986;margin-top:14px}
    .footer{background:#2e2327;color:#f7e9df;padding:50px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.3fr .8fr .9fr;gap:50px}
    .footer .brand{color:#fff}.footer p{color:#cbb9b2;font-size:13px;max-width:330px}
    .footer h3{font-size:14px;color:#ffd3c0;margin:0 0 13px}
    .footer-links{display:flex;flex-direction:column;gap:8px}.footer-links a{font-size:13px;color:#cbb9b2}.footer-links a:hover{color:#fff}
    .copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:20px;color:#a99690;font-size:12px;display:flex;justify-content:space-between;gap:15px}
    @media(max-width:900px){
      .nav-links{display:none}.nav-cta{display:none}.menu-toggle{display:block}
      .nav-wrap.menu-open .nav-links{display:flex;position:absolute;top:76px;left:20px;right:20px;flex-direction:column;align-items:stretch;padding:12px;background:#fffaf3;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
      .hero-grid,.news-layout{grid-template-columns:1fr}.hero-visual{min-height:280px}.hero-visual img{height:280px}
      .matrix{grid-template-columns:1fr 1fr}.matrix-card.large{grid-row:auto;grid-column:span 2}
      .device-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}
    }
    @media(max-width:620px){
      .container{width:min(100% - 28px,1180px)}.section{padding:60px 0}.metric-grid{grid-template-columns:1fr 1fr}.metric{border-bottom:1px solid var(--line)}.metric:nth-child(2){border-right:0}.metric:nth-child(3),.metric:nth-child(4){border-bottom:0}
      .hero{padding:48px 0 60px}.hero h1{font-size:38px}.hero-copy{font-size:15px}.hero-panel{left:14px;right:14px;bottom:14px;padding:14px}
      .matrix,.compare,.quick-grid,.form-grid{grid-template-columns:1fr}.matrix-card.large{grid-column:auto}.device-grid{grid-template-columns:1fr 1fr}
      .form-grid .field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr;gap:28px}.copyright{display:block}.copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root{--coral:#e56d5f;--coral-dark:#c7524d;--berry:#8d4053;--cream:#fffaf3;--peach:#fff0e6;--ink:#30272a;--muted:#756a6b;--line:#eadbd3;--card:#fff;--shadow:0 18px 45px rgba(116,73,63,.1);--radius:22px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input,select,textarea{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,250,243,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,219,211,.85)}.nav-wrap{height:76px;display:flex;align-items:center;gap:25px}.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}.brand-mark{width:38px;height:38px;border-radius:13px;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 18px rgba(229,109,95,.25)}.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}.nav-links a{padding:9px 14px;border-radius:12px;color:#655a5a;font-size:14px;transition:.2s}.nav-links a:hover,.nav-links a.active{color:var(--coral-dark);background:#fff0e9}.nav-cta{padding:11px 17px;border-radius:13px;background:var(--coral);color:#fff;font-size:14px;font-weight:700;transition:.2s}.nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}.menu-toggle{display:none;border:1px solid var(--line);background:#fff8f2;border-radius:11px;padding:9px 12px;color:var(--berry)}
.section{padding:76px 0;border-bottom:1px solid rgba(234,219,211,.75)}.section.soft{background:#fff5ee}.section.dark{background:#402d32;color:#fff8f1;border-bottom:0}.section-head{max-width:740px;margin-bottom:30px}.eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.06em}.eyebrow:before{content:"";width:22px;height:2px;background:var(--coral)}.section-title{font-size:clamp(28px,4vw,42px);line-height:1.25;letter-spacing:-.045em;margin:12px 0 14px;font-weight:850}.section-desc{color:var(--muted);font-size:16px;margin:0}.dark .section-desc{color:#dbcac3}
.page-intro{padding:78px 0 62px;background:linear-gradient(110deg,#fffaf3,#fff0e7 65%,#f9ddd5)}.intro-grid{display:grid;grid-template-columns:1fr .82fr;gap:56px;align-items:center}.page-intro h1{font-size:clamp(38px,5.3vw,62px);line-height:1.15;letter-spacing:-.06em;margin:14px 0 20px;font-weight:900}.intro-copy{font-size:17px;color:#665958;max-width:650px}.intro-visual{height:300px;border-radius:28px;overflow:hidden;position:relative;box-shadow:var(--shadow)}.intro-visual img{width:100%;height:100%;object-fit:cover;filter:saturate(.85)}.visual-label{position:absolute;left:22px;right:22px;bottom:20px;padding:17px 19px;border-radius:16px;background:rgba(55,37,42,.88);color:#fff5ed}.visual-label strong{display:block;font-size:18px}.visual-label span{font-size:13px;color:#e8d4cc}
.status-bar,.info-card,.update-card,.compare-card,.faq-wrap,.feedback-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(116,73,63,.045)}.status-bar{display:flex;justify-content:space-between;align-items:center;padding:18px 23px;gap:20px}.status-tags{display:flex;gap:9px;flex-wrap:wrap}.tag{display:inline-flex;padding:5px 11px;background:#fff0e8;color:var(--coral-dark);border-radius:999px;font-size:12px;font-weight:750}.tag.green{background:#edf5e9;color:#5d7a55}.status-note{font-size:13px;color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}.feature-card{min-height:285px;border-radius:var(--radius);overflow:hidden;position:relative;background:#583942;color:#fff}.feature-card img{height:100%;width:100%;object-fit:cover;opacity:.58}.feature-overlay{position:absolute;inset:0;padding:30px;display:flex;flex-direction:column;justify-content:end;background:linear-gradient(transparent 25%,rgba(47,28,33,.9)}.feature-overlay h3{font-size:25px;line-height:1.35;margin:10px 0 8px}.feature-overlay p{color:#f1ddd6;margin:0;font-size:14px}.side-note{padding:28px;background:#fff8f3;border:1px solid var(--line);border-radius:var(--radius)}.side-note h3{font-size:21px;margin:0 0 13px}.side-note p{color:var(--muted);font-size:14px}.note-list{padding:0;margin:18px 0 0;list-style:none}.note-list li{border-top:1px solid #f0e3dc;padding:11px 0;font-size:14px;color:#665958}.note-list b{color:var(--berry);margin-right:8px}
.update-list{display:flex;flex-direction:column;gap:14px}.update-card{padding:23px 25px;display:grid;grid-template-columns:125px 1fr auto;gap:20px;align-items:start;transition:.2s}.update-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}.update-date{color:var(--coral-dark);font-size:13px;font-weight:800}.update-card h3{font-size:18px;margin:0 0 5px}.update-card p{color:var(--muted);font-size:14px;margin:0}.read-link{color:var(--berry);font-weight:750;font-size:13px;white-space:nowrap}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.compare-card{padding:27px}.compare-card.current{border:2px solid #e8a092;background:#fff8f4}.compare-card h3{margin:0 0 16px;font-size:20px}.compare-list{list-style:none;padding:0;margin:0}.compare-list li{padding:12px 0;border-top:1px solid #f0e3dc;font-size:14px;color:var(--muted);display:flex;gap:10px}.compare-list b{color:var(--berry);font-weight:700;min-width:86px}
.timeline{position:relative;padding-left:28px;border-left:2px solid #edc9bd}.timeline-item{position:relative;padding:0 0 28px 25px}.timeline-item:before{content:"";position:absolute;left:-35px;top:8px;width:13px;height:13px;border-radius:50%;background:var(--coral);border:3px solid var(--cream)}.timeline-item:last-child{padding-bottom:0}.timeline-item h3{font-size:18px;margin:0 0 5px}.timeline-item p{color:var(--muted);font-size:14px;margin:0}
.faq-wrap{overflow:hidden}.faq-wrap details{border-bottom:1px solid var(--line);padding:0 23px}.faq-wrap details:last-child{border-bottom:0}.faq-wrap summary{padding:19px 0;font-weight:750;cursor:pointer;list-style:none}.faq-wrap summary::-webkit-details-marker{display:none}.faq-wrap summary:after{content:"＋";float:right;color:var(--coral)}.faq-wrap details[open] summary:after{content:"－"}.faq-answer{padding:0 30px 20px 0;color:var(--muted);font-size:14px}
.feedback-box{padding:30px;background:#fff8f3}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field label{display:block;font-size:13px;font-weight:750;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;border:1px solid #dfcfc7;background:#fff;border-radius:12px;padding:11px 13px;color:var(--ink)}.field textarea{min-height:108px;resize:vertical}.field.full{grid-column:1/-1}.btn{min-height:46px;padding:11px 19px;border-radius:13px;border:1px solid transparent;font-weight:750;font-size:14px;transition:.22s;display:inline-flex;align-items:center;justify-content:center}.btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 22px rgba(229,109,95,.22)}.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px)}.privacy{font-size:12px;color:var(--muted);margin:12px 0 0}.success{display:none;color:#5d7a55;font-size:14px;margin-top:12px}.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(229,109,95,.35);outline-offset:3px}
.footer{background:#30272a;color:#f9eee8;padding:54px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px}.footer .brand{color:#fff}.footer p{color:#cdbdb8;max-width:350px;font-size:14px}.footer h3{font-size:15px;margin:2px 0 15px}.footer-links{display:flex;flex-direction:column;gap:8px;color:#cdbdb8;font-size:13px}.footer-links a:hover{color:#f4a294}.copyright{border-top:1px solid rgba(255,255,255,.13);margin-top:38px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#ad9b97;font-size:12px}
@media(max-width:900px){.intro-grid,.feature-grid{grid-template-columns:1fr}.intro-visual{height:260px}.update-card{grid-template-columns:105px 1fr}.read-link{grid-column:2}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:680px){.container{width:min(100% - 28px,1180px)}.nav-wrap{height:68px}.nav-cta{display:none}.menu-toggle{display:block;margin-left:auto}.nav-links{display:none;position:absolute;top:68px;left:14px;right:14px;margin:0;padding:10px;background:#fffaf3;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.page-intro{padding:56px 0 45px}.page-intro h1{font-size:39px}.section{padding:58px 0}.status-bar{align-items:flex-start;flex-direction:column}.update-card{grid-template-columns:1fr;gap:8px}.read-link{grid-column:auto}.compare-grid,.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-grid{grid-template-columns:1fr;gap:28px}.copyright{flex-direction:column;gap:5px}}

/* roulang page: category2 */
:root{
 --coral:#e56d5f;
 --coral-dark:#c7524d;
 --berry:#8d4053;
 --cream:#fffaf3;
 --peach:#fff0e6;
 --ink:#30272a;
 --muted:#756a6b;
 --line:#eadbd3;
 --card:#ffffff;
 --shadow:0 18px 45px rgba(116,73,63,.10);
 --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,250,243,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,219,211,.85)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
.brand-mark{width:38px;height:38px;border-radius:13px;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 18px rgba(229,109,95,.25)}
.nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:12px;color:#655a5a;font-size:14px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--coral-dark);background:#fff0e9}
.nav-cta{padding:11px 17px;border-radius:13px;background:var(--coral);color:#fff;font-size:14px;font-weight:700;transition:.2s}
.nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}
.menu-toggle{display:none;border:1px solid var(--line);background:#fff8f2;border-radius:11px;padding:9px 12px;color:var(--berry)}
.page-intro{padding:76px 0 68px;background:#fff1e8;position:relative;overflow:hidden}
.page-intro:after{content:"";position:absolute;right:-90px;top:-130px;width:390px;height:390px;border-radius:50%;background:#f4c5b5;opacity:.42}
.intro-grid{display:grid;grid-template-columns:1fr .78fr;gap:60px;align-items:center;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--coral);display:inline-block}
.page-intro h1{font-size:clamp(36px,5vw,60px);line-height:1.16;letter-spacing:-.06em;margin:16px 0 20px;font-weight:900}
.intro-copy{color:#665958;font-size:17px;max-width:650px}
.intro-art{height:290px;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);transform:rotate(2deg);background:#714451}
.intro-art img{width:100%;height:100%;object-fit:cover;opacity:.85}
.section{padding:78px 0;border-bottom:1px solid rgba(234,219,211,.75)}
.section.soft{background:#fff5ee}
.section.dark{background:#402d32;color:#fff8f1;border-bottom:0}
.section-head{max-width:730px;margin-bottom:32px}
.section-title{font-size:clamp(28px,4vw,42px);line-height:1.25;letter-spacing:-.045em;margin:12px 0 14px;font-weight:850}
.section-desc{color:var(--muted);font-size:16px;margin:0}
.dark .section-desc{color:#dbcac3}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 20px;border:1px solid var(--line);background:#fff;border-radius:18px;box-shadow:0 8px 24px rgba(116,73,63,.05)}
.filter-tags{display:flex;gap:9px;flex-wrap:wrap}
.tag{display:inline-flex;padding:5px 11px;background:#fff0e8;color:var(--coral-dark);border-radius:999px;font-size:12px;font-weight:750}
.tag.active{background:var(--coral);color:#fff}
.filter-select{border:1px solid var(--line);background:#fffaf5;color:var(--berry);border-radius:10px;padding:9px 12px;min-width:145px}
.feature-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
.feature-card{min-height:290px;border-radius:var(--radius);overflow:hidden;position:relative;background:#4b3038;color:#fff}
.feature-card img{width:100%;height:100%;min-height:290px;object-fit:cover;opacity:.62}
.feature-content{position:absolute;left:28px;right:28px;bottom:25px}
.feature-content h3{font-size:25px;line-height:1.35;margin:12px 0 8px}
.feature-content p{margin:0;color:#f4ded6;font-size:14px;max-width:540px}
.feature-side{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.feature-side h3{font-size:21px;margin:0 0 12px}
.feature-side p{font-size:14px;color:var(--muted);margin:0 0 20px}
.mini-list{list-style:none;padding:0;margin:0}
.mini-list li{display:flex;gap:12px;padding:13px 0;border-top:1px solid #f0e3dc;font-size:14px}
.mini-list b{color:var(--coral-dark);font-size:12px;min-width:62px}
.content-layout{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:start}
.content-list{display:flex;flex-direction:column;gap:15px}
.content-item{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:16px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:.22s}
.content-item:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.content-item img{width:150px;height:105px;object-fit:cover;border-radius:13px}
.content-item h3{font-size:18px;line-height:1.4;margin:8px 0 5px}
.content-item p{font-size:14px;color:var(--muted);margin:0}
.meta{font-size:12px;color:#a28e89}
.more-link{display:inline-flex;margin-top:20px;color:var(--coral-dark);font-weight:750;font-size:14px}
.side-panel{padding:23px;border-radius:var(--radius);background:#50383e;color:#fff8f1}
.side-panel h3{font-size:19px;margin:0 0 14px}
.side-panel p{color:#ead4ce;font-size:14px;margin:0 0 18px}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tags span{border:1px solid rgba(255,255,255,.2);color:#f8ded5;border-radius:999px;padding:5px 10px;font-size:12px}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scene-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:20px}
.scene-number{width:32px;height:32px;border-radius:10px;background:#fff0e8;color:var(--coral-dark);display:grid;place-items:center;font-weight:800}
.scene-card h3{font-size:18px;margin:15px 0 7px}
.scene-card p{color:var(--muted);font-size:14px;margin:0}
.timeline{max-width:820px;border-left:2px solid #eab5a6;margin-left:8px;padding-left:30px}
.timeline-item{position:relative;padding:0 0 28px}
.timeline-item:before{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:var(--coral);left:-37px;top:9px;box-shadow:0 0 0 5px #fff0e8}
.timeline-item:last-child{padding-bottom:0}
.timeline-item h3{font-size:19px;margin:0 0 5px}
.timeline-item p{color:var(--muted);font-size:14px;margin:0}
.faq-list{max-width:850px;display:grid;gap:12px}
.faq-wrap{background:#fff;overflow:hidden}
.faq-wrap summary{padding:20px 23px;font-weight:750;cursor:pointer;list-style:none;position:relative;padding-right:50px}
.faq-wrap summary::-webkit-details-marker{display:none}
.faq-wrap summary:after{content:"＋";position:absolute;right:22px;color:var(--coral-dark);font-size:22px;top:16px}
.faq-wrap[open] summary:after{content:"－"}
.faq-answer{padding:0 23px 21px;color:var(--muted);font-size:14px}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:34px 38px;border-radius:24px;background:#fff0e8;border:1px solid #efc9bb}
.cta-box h2{font-size:28px;line-height:1.3;margin:0 0 8px}
.cta-box p{margin:0;color:var(--muted);font-size:14px}
.btn{min-height:46px;padding:11px 19px;border-radius:13px;border:1px solid transparent;font-weight:750;font-size:14px;transition:.22s;display:inline-flex;align-items:center;justify-content:center}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 22px rgba(229,109,95,.22)}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px)}
.btn-outline{border-color:#d9bcb1;background:rgba(255,255,255,.5);color:var(--berry)}
.btn-outline:hover{border-color:var(--coral);background:#fff;color:var(--coral-dark)}
.btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(229,109,95,.35);outline-offset:3px}
.footer{background:#30252a;color:#fff5ed;padding:55px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:50px}
.footer .brand{color:#fff}
.footer p{color:#cdbdb8;font-size:14px;max-width:350px;margin:18px 0 0}
.footer h3{font-size:15px;margin:3px 0 15px;color:#fff}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{color:#cdbdb8;font-size:14px;transition:.2s}
.footer-links a:hover{color:#fff0e8}
.copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:20px;color:#ad9b98;font-size:12px}
@media(max-width:900px){
 .intro-grid,.feature-grid{grid-template-columns:1fr}
 .intro-art{max-width:560px}
 .content-layout{grid-template-columns:1fr}
 .scene-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
 .container{width:min(100% - 28px,620px)}
 .nav-wrap{height:68px}
 .nav-cta{display:none}
 .menu-toggle{display:block}
 .nav-links{display:none;position:absolute;left:14px;right:14px;top:75px;padding:10px;background:#fffaf3;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
 .nav-links.show{display:flex}
 .nav-links a{padding:12px 14px}
 .page-intro{padding:55px 0}
 .page-intro h1{font-size:38px}
 .section{padding:58px 0}
 .filter-bar{align-items:flex-start;flex-direction:column}
 .content-item{grid-template-columns:105px 1fr;gap:13px}
 .content-item img{width:105px;height:92px}
 .content-item h3{font-size:16px}
 .scene-grid{grid-template-columns:1fr}
 .cta-box{align-items:flex-start;flex-direction:column;padding:27px}
 .copyright{flex-direction:column;gap:5px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media(max-width:480px){
 .brand{font-size:17px}
 .brand-mark{width:34px;height:34px}
 .intro-art{height:220px}
 .content-item{grid-template-columns:1fr}
 .content-item img{width:100%;height:150px}
}

/* roulang page: category3 */
:root{
      --coral:#e56d5f;
      --coral-dark:#c7524d;
      --berry:#8d4053;
      --cream:#fffaf3;
      --peach:#fff0e6;
      --ink:#30272a;
      --muted:#756a6b;
      --line:#eadbd3;
      --card:#ffffff;
      --shadow:0 18px 45px rgba(116,73,63,.10);
      --radius:22px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--cream);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.8}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:30;background:rgba(255,250,243,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,219,211,.85)}
    .nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:800;letter-spacing:-.04em;white-space:nowrap}
    .brand-mark{width:38px;height:38px;border-radius:13px;background:var(--coral);color:#fff;display:grid;place-items:center;font-weight:900;box-shadow:0 8px 18px rgba(229,109,95,.25)}
    .nav-links{display:flex;align-items:center;gap:5px;margin-left:auto}
    .nav-links a{padding:9px 14px;border-radius:12px;color:#655a5a;font-size:14px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--coral-dark);background:#fff0e9}
    .nav-cta{padding:11px 17px;border-radius:13px;background:var(--coral);color:#fff;font-size:14px;font-weight:700;transition:.2s}
    .nav-cta:hover{background:var(--coral-dark);transform:translateY(-2px)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff8f2;border-radius:11px;padding:9px 12px;color:var(--berry)}
    .section{padding:78px 0;border-bottom:1px solid rgba(234,219,211,.75)}
    .section.soft{background:#fff5ee}
    .section.dark{background:#402d32;color:#fff8f1;border-bottom:0}
    .eyebrow{display:inline-flex;align-items:center;gap:7px;color:var(--coral-dark);font-size:13px;font-weight:800;letter-spacing:.08em}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--coral);display:inline-block}
    .section-head{max-width:730px;margin-bottom:32px}
    .section-title{font-size:clamp(28px,4vw,42px);line-height:1.25;letter-spacing:-.045em;margin:12px 0 14px;font-weight:850}
    .section-desc{color:var(--muted);font-size:16px;margin:0;max-width:760px}
    .hero-guide{padding:72px 0 82px;background:linear-gradient(110deg,#fffaf3 0%,#fff0e6 58%,#f6ddd5 100%);overflow:hidden}
    .guide-grid{display:grid;grid-template-columns:1fr .92fr;gap:58px;align-items:center}
    .hero-guide h1{font-size:clamp(38px,5.4vw,64px);line-height:1.14;letter-spacing:-.065em;margin:16px 0 20px;font-weight:900}
    .hero-copy{font-size:17px;color:#665958;max-width:620px;margin:0 0 28px}
    .button-row{display:flex;align-items:center;gap:13px;flex-wrap:wrap}
    .btn{min-height:46px;padding:11px 19px;border-radius:13px;border:1px solid transparent;font-weight:750;font-size:14px;transition:.22s;display:inline-flex;align-items:center;justify-content:center}
    .btn-primary{background:var(--coral);color:#fff;box-shadow:0 10px 22px rgba(229,109,95,.22)}
    .btn-primary:hover{background:var(--coral-dark);transform:translateY(-2px);box-shadow:0 14px 27px rgba(229,109,95,.3)}
    .btn-outline{border-color:#d9bcb1;background:rgba(255,255,255,.52);color:var(--berry)}
    .btn-outline:hover{border-color:var(--coral);background:#fff;color:var(--coral-dark)}
    .btn:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid rgba(229,109,95,.35);outline-offset:3px}
    .guide-visual{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);min-height:360px;background:#714451}
    .guide-visual img{width:100%;height:360px;object-fit:cover;opacity:.84}
    .visual-note{position:absolute;left:22px;right:22px;bottom:20px;padding:18px 20px;border-radius:17px;background:rgba(55,37,42,.9);color:#fff5ed}
    .visual-note strong{font-size:18px;display:block}
    .visual-note span{font-size:13px;color:#e8d4cc}
    .status-bar{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:18px 22px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 8px 25px rgba(116,73,63,.045)}
    .status-list{display:flex;gap:10px;flex-wrap:wrap}
    .tag{display:inline-flex;padding:5px 11px;background:#fff0e8;color:var(--coral-dark);border-radius:999px;font-size:12px;font-weight:750}
    .status-text{font-size:13px;color:var(--muted)}
    .step-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
    .step-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .step-card,.device-card,.support-card,.faq-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 8px 25px rgba(116,73,63,.045)}
    .step-card{padding:24px;position:relative}
    .step-number{width:34px;height:34px;border-radius:11px;background:#fff0e8;color:var(--coral-dark);display:grid;place-items:center;font-weight:850}
    .step-card h3,.device-card h3,.support-card h3{font-size:18px;line-height:1.4;margin:15px 0 7px}
    .step-card p,.device-card p,.support-card p{color:var(--muted);font-size:14px;margin:0}
    .guide-aside{padding:29px;border-radius:var(--radius);background:var(--berry);color:#fff8f1;box-shadow:var(--shadow)}
    .guide-aside h3{font-size:23px;line-height:1.35;margin:0 0 13px}
    .guide-aside p{color:#ead4ce;font-size:14px;margin:0 0 22px}
    .tip-list{padding:0;margin:0;list-style:none}
    .tip-list li{padding:13px 0;border-top:1px solid rgba(255,255,255,.16);font-size:14px}
    .device-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .device-card{padding:23px}
    .device-icon{width:42px;height:42px;border-radius:14px;background:#fff0e8;color:var(--coral-dark);display:grid;place-items:center;font-weight:800}
    .device-card h3{font-size:17px}
    .device-status{display:inline-block;margin-top:14px;color:var(--berry);font-size:12px;font-weight:750}
    .feature-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;overflow:hidden;border-radius:var(--radius);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .feature-image{min-height:310px}
    .feature-image img{width:100%;height:100%;min-height:310px;object-fit:cover}
    .feature-copy{padding:34px}
    .feature-copy h3{font-size:27px;line-height:1.35;margin:12px 0 12px}
    .feature-copy p{color:var(--muted);margin:0 0 18px;font-size:15px}
    .check-list{list-style:none;margin:0 0 24px;padding:0}
    .check-list li{padding:9px 0;border-bottom:1px solid #f0e3dc;color:#625657;font-size:14px}
    .check-list li:before{content:"✓";color:var(--coral-dark);font-weight:900;margin-right:9px}
    .trouble-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
    .support-card{padding:27px}
    .support-card ul{list-style:none;padding:0;margin:17px 0 0}
    .support-card li{padding:12px 0;border-top:1px solid #f0e3dc;color:var(--muted);font-size:14px}
    .support-card li strong{display:block;color:var(--berry);margin-bottom:2px}
    .faq-wrap{padding:9px 23px}
    details{border-bottom:1px solid #f0e3dc}
    details:last-child{border-bottom:0}
    summary{list-style:none;cursor:pointer;padding:19px 4px;font-weight:750;color:var(--ink);position:relative;padding-right:30px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:3px;color:var(--coral-dark);font-size:22px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;margin:0 4px 19px;max-width:820px}
    .cta-panel{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:30px 34px;border-radius:var(--radius);background:#fff0e8;border:1px solid #f0d0c3}
    .cta-panel h2{font-size:25px;line-height:1.35;margin:0 0 7px}
    .cta-panel p{color:var(--muted);margin:0;font-size:14px}
    .footer{background:#30272a;color:#fff5ed;padding:58px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr;gap:50px}
    .footer .brand{color:#fff}
    .footer .brand-mark{background:var(--coral)}
    .footer p{color:#cbb8b2;font-size:14px;max-width:350px;margin:17px 0 0}
    .footer h3{font-size:15px;margin:3px 0 15px}
    .footer-links{display:flex;flex-direction:column;gap:9px}
    .footer-links a{color:#cbb8b2;font-size:14px;transition:.2s}
    .footer-links a:hover{color:#fff}
    .copyright{display:flex;justify-content:space-between;gap:18px;border-top:1px solid rgba(255,255,255,.14);margin-top:40px;padding-top:19px;color:#a9948e;font-size:12px}
    @media(max-width:1024px){
      .guide-grid,.step-grid,.feature-panel{grid-template-columns:1fr}
      .device-grid{grid-template-columns:repeat(2,1fr)}
      .guide-aside{margin-top:0}
    }
    @media(max-width:768px){
      .container{width:min(100% - 28px,680px)}
      .nav-wrap{height:68px}
      .menu-toggle{display:block}
      .nav-cta{display:none}
      .nav-links{display:none;position:absolute;top:68px;left:14px;right:14px;margin:0;padding:10px;background:#fffaf3;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .hero-guide{padding:54px 0 65px}
      .hero-guide h1{font-size:40px}
      .section{padding:60px 0}
      .step-list,.trouble-grid{grid-template-columns:1fr}
      .feature-image,.feature-image img{min-height:230px;height:230px}
      .feature-copy{padding:26px}
      .status-bar,.cta-panel{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr;gap:30px}
      .copyright{flex-direction:column;gap:5px}
    }
    @media(max-width:520px){
      .brand{font-size:17px}
      .brand-mark{width:34px;height:34px;border-radius:11px}
      .device-grid{grid-template-columns:1fr}
      .hero-guide h1{font-size:34px}
      .hero-copy{font-size:15px}
      .guide-visual,.guide-visual img{min-height:285px;height:285px}
      .section-title{font-size:30px}
      .cta-panel{padding:24px}
      .button-row .btn{width:100%}
    }