/* roulang page: index */
:root{
      --ink:#1f2430;
      --muted:#707887;
      --paper:#f7f8fa;
      --white:#fff;
      --line:#e7e9ee;
      --accent:#b55b70;
      --accent-dark:#873d50;
      --soft:#f4e8ec;
      --navy:#252b3a;
      --radius:22px;
      --shadow:0 18px 48px rgba(31,36,48,.09);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--accent)}
    .container{max-width:1160px}
    .site-header{background:rgba(247,248,250,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(18px)}
    .navbar{min-height:76px}
    .brand{font-weight:800;letter-spacing:-.04em;font-size:1.08rem;white-space:nowrap}
    .brand-mark{display:inline-flex;width:30px;height:30px;border-radius:10px;background:var(--accent);color:#fff;align-items:center;justify-content:center;margin-right:10px;font-size:.8rem}
    .nav-link{color:var(--muted);font-size:.92rem;padding:.55rem 0!important;margin-left:1.7rem;position:relative}
    .nav-link:after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:var(--accent);transition:.25s}
    .nav-link:hover:after,.nav-link.active:after{right:0}
    .nav-link.active{color:var(--ink);font-weight:700}
    .menu-toggle{border:1px solid var(--line);border-radius:12px;padding:.55rem .7rem}
    .hero{padding:92px 0 78px;background:linear-gradient(135deg,#fff 0%,#f8eef1 55%,#f7f8fa 100%);border-bottom:1px solid var(--line)}
    .eyebrow,.badge-soft{display:inline-flex;align-items:center;gap:8px;color:var(--accent-dark);background:var(--soft);border-radius:999px;padding:7px 13px;font-size:.78rem;font-weight:700;letter-spacing:.05em}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
    h1,h2,h3{font-weight:800;letter-spacing:-.045em;line-height:1.2}
    h1{font-size:clamp(2.45rem,5vw,5rem);max-width:780px;margin:24px 0 22px}
    h2{font-size:clamp(1.8rem,3vw,2.65rem);margin:0 0 14px}
    .hero-copy{max-width:700px;color:var(--muted);font-size:1.08rem}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .btn-main,.btn-ghost{border-radius:13px;padding:12px 20px;font-weight:700;border:1px solid transparent}
    .btn-main{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(181,91,112,.22)}
    .btn-main:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
    .hero-sheet{background:var(--navy);color:#fff;border-radius:26px;padding:28px;box-shadow:var(--shadow);transform:rotate(1deg)}
    .sheet-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.16);padding-bottom:20px;margin-bottom:22px}
    .sheet-label{font-size:.75rem;color:#c9a5af;letter-spacing:.12em}
    .sheet-title{font-size:1.65rem;font-weight:800;line-height:1.3;max-width:290px}
    .sheet-list{list-style:none;padding:0;margin:0}
    .sheet-list li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12);color:#d8dbe2;font-size:.9rem}
    .sheet-list span{color:#c9a5af;margin-right:12px}
    section{padding:88px 0}
    .section-head{max-width:660px;margin-bottom:34px}
    .section-head p{color:var(--muted);margin:0}
    .metric-strip{margin-top:-32px;position:relative;z-index:2}
    .metrics{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:25px}
    .metric{border-right:1px solid var(--line);padding:4px 25px}
    .metric:last-child{border-right:0}
    .metric strong{display:block;font-size:1.75rem;letter-spacing:-.05em}
    .metric span{color:var(--muted);font-size:.86rem}
    .feature-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
    .feature-card,.info-card,.faq-item,.progress-box,.news-panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:29px;transition:.3s;box-shadow:0 8px 25px rgba(31,36,48,.035)}
    .feature-card:hover,.info-card:hover,.news-panel:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-card.dark{background:var(--navy);color:#fff;border-color:var(--navy)}
    .feature-card.dark p{color:#cfd3dc}
    .icon-box{width:42px;height:42px;border-radius:13px;background:var(--soft);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:22px}
    .dark .icon-box{background:rgba(255,255,255,.12);color:#f0cbd4}
    .feature-card h3,.info-card h3{font-size:1.25rem;margin-bottom:10px}
    .feature-card p,.info-card p{color:var(--muted);font-size:.94rem;margin:0}
    .dark p{color:#d2d6de}
    .matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .info-card{padding:23px}
    .info-card strong{display:block;color:var(--accent-dark);font-size:1.1rem;margin-bottom:8px}
    .timeline{position:relative;margin-top:30px}
    .timeline:before{content:"";position:absolute;left:18px;top:5px;bottom:5px;width:1px;background:#d8b6bf}
    .step{display:grid;grid-template-columns:38px 1fr;gap:20px;position:relative;margin-bottom:26px}
    .step-no{width:37px;height:37px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;z-index:1}
    .step h3{font-size:1.08rem;margin:3px 0 5px}
    .step p{color:var(--muted);margin:0;font-size:.92rem}
    .reward{background:#f1e2e7;border-radius:24px;padding:35px;display:flex;align-items:center;justify-content:space-between;gap:25px}
    .reward p{color:var(--muted);max-width:650px;margin:0}
    .progress-box{margin-top:25px}
    .progress{height:9px;background:#f0f1f4;border-radius:99px}
    .progress-bar{background:var(--accent);border-radius:99px}
    .news-layout{display:grid;grid-template-columns:1fr .8fr;gap:22px}
    .news-list{list-style:none;padding:0;margin:0}
    .news-list li{border-bottom:1px solid var(--line);padding:17px 0;display:flex;justify-content:space-between;gap:20px}
    .news-list li:first-child{padding-top:0}
    .news-list a{font-weight:700}
    .news-list time{white-space:nowrap;color:var(--muted);font-size:.8rem}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-item h3{font-size:1rem;margin-bottom:10px}
    .faq-item p{color:var(--muted);font-size:.9rem;margin:0}
    .cta{background:var(--navy);color:#fff;border-radius:28px;padding:50px 55px;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta p{color:#cfd3dc;margin:12px 0 0;max-width:610px}
    footer{background:#fff;border-top:1px solid var(--line);padding:38px 0 25px}
    .footer-brand{font-weight:800}
    .footer-note{color:var(--muted);font-size:.82rem;margin:10px 0 0;max-width:640px}
    .footer-bottom{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:var(--muted);font-size:.78rem;display:flex;justify-content:space-between;gap:15px}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(181,91,112,.35);outline-offset:3px}
    @media(max-width:991px){.nav-link{margin-left:0;margin-right:1rem}.hero{padding-top:65px}.feature-grid,.news-layout{grid-template-columns:1fr}.hero-sheet{margin-top:25px}.metric{padding:4px 15px}}
    @media(max-width:767px){section{padding:63px 0}.hero{padding:58px 0}.metrics{padding:15px}.metric{border-right:0;border-bottom:1px solid var(--line);padding:14px 10px}.metric:last-child{border-bottom:0}.matrix,.faq-grid{grid-template-columns:1fr}.reward,.cta{display:block;padding:30px}.reward .btn-main,.cta .btn-main{display:inline-block;margin-top:22px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}}
    @media(max-width:520px){h1{font-size:2.45rem}.brand{font-size:.93rem}.hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;text-align:center}.feature-card,.info-card,.faq-item{padding:23px}.news-list li{display:block}.news-list time{display:block;margin-top:5px}}

/* roulang page: category1 */
:root{
      --ink:#1f2430;
      --muted:#707887;
      --paper:#f7f8fa;
      --white:#fff;
      --line:#e7e9ee;
      --accent:#b55b70;
      --accent-dark:#873d50;
      --soft:#f4e8ec;
      --navy:#252b3a;
      --radius:22px;
      --shadow:0 18px 48px rgba(31,36,48,.09);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}
    a{color:inherit;text-decoration:none;transition:.25s ease}
    a:hover{color:var(--accent)}
    .container{max-width:1160px}
    .site-header{background:rgba(247,248,250,.92);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(18px)}
    .navbar{min-height:76px}
    .brand{font-weight:800;letter-spacing:-.04em;font-size:1.08rem;white-space:nowrap}
    .brand-mark{display:inline-flex;width:30px;height:30px;border-radius:10px;background:var(--accent);color:#fff;align-items:center;justify-content:center;margin-right:10px;font-size:.8rem}
    .nav-link{color:var(--muted);font-size:.92rem;padding:.55rem 0!important;margin-right:1rem;position:relative}
    .nav-link:after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:var(--accent);transition:.25s}
    .nav-link:hover:after,.nav-link.active:after{right:0}
    .nav-link.active{color:var(--ink);font-weight:700}
    .menu-toggle{border:1px solid var(--line);border-radius:12px;padding:.55rem .7rem}
    .hero{padding:78px 0 68px;background:linear-gradient(135deg,#fff 0%,#f8eef1 55%,#f7f8fa 100%);border-bottom:1px solid var(--line)}
    .eyebrow,.badge-soft{display:inline-flex;align-items:center;gap:8px;color:var(--accent-dark);background:var(--soft);border-radius:999px;padding:7px 13px;font-size:.78rem;font-weight:700;letter-spacing:.05em}
    .eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent)}
    h1{font-size:clamp(2.5rem,6vw,4.6rem);font-weight:900;letter-spacing:-.07em;line-height:1.1;margin:22px 0 20px}
    h2{font-size:clamp(1.8rem,3vw,2.6rem);font-weight:850;letter-spacing:-.05em}
    .hero-copy{max-width:700px;color:var(--muted);font-size:1.08rem}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .btn-main,.btn-ghost{border-radius:13px;padding:12px 20px;font-weight:700;border:1px solid transparent}
    .btn-main{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(181,91,112,.22)}
    .btn-main:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
    .hero-sheet{background:var(--navy);color:#fff;border-radius:26px;padding:30px;box-shadow:var(--shadow);transform:rotate(1deg)}
    .sheet-title{font-size:1.65rem;font-weight:800;line-height:1.3;max-width:290px}
    .sheet-list{list-style:none;padding:0;margin:22px 0 0}
    .sheet-list li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.12);color:#d8dbe2;font-size:.9rem}
    .sheet-list span{color:#c9a5af;margin-right:12px}
    section{padding:82px 0}
    .section-head{max-width:680px;margin-bottom:34px}
    .section-head p{color:var(--muted);margin:0}
    .metric-strip{display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 25px rgba(31,36,48,.035)}
    .metric{padding:27px 30px;border-right:1px solid var(--line)}
    .metric:last-child{border-right:0}
    .metric strong{display:block;color:var(--accent-dark);font-size:1.45rem}
    .metric span{display:block;color:var(--muted);font-size:.88rem;margin-top:5px}
    .matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .info-card,.faq-item,.process-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;transition:.3s;box-shadow:0 8px 25px rgba(31,36,48,.035)}
    .info-card:hover,.process-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .info-card h3,.process-card h3{font-size:1.2rem;margin:14px 0 8px}
    .info-card p,.process-card p,.faq-item p{color:var(--muted);font-size:.94rem;margin:0}
    .icon-box{width:42px;height:42px;border-radius:14px;background:var(--soft);color:var(--accent-dark);display:flex;align-items:center;justify-content:center;font-weight:800}
    .process-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .process-card{position:relative}
    .process-number{color:var(--accent);font-size:.8rem;font-weight:800;letter-spacing:.1em}
    .notice{background:var(--navy);color:#fff;border-radius:28px;padding:42px}
    .notice p{color:#cfd3dc;max-width:760px;margin:12px 0 0}
    .notice-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .notice-list span{border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:8px 13px;color:#e5e7ec;font-size:.86rem}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .faq-item h3{font-size:1rem;margin:0 0 10px}
    .cta{background:#fff;border:1px solid var(--line);border-radius:28px;padding:42px;display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:var(--shadow)}
    .cta p{color:var(--muted);margin:10px 0 0;max-width:650px}
    footer{background:#fff;border-top:1px solid var(--line);padding:38px 0 25px}
    .footer-brand{font-weight:800}
    .footer-note{color:var(--muted);font-size:.82rem;margin:10px 0 0;max-width:640px}
    .footer-bottom{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:var(--muted);font-size:.78rem;display:flex;justify-content:space-between;gap:15px}
    a:focus-visible,button:focus-visible{outline:3px solid rgba(181,91,112,.35);outline-offset:3px}
    @media(max-width:767px){
      .brand{font-size:.93rem}
      .hero{padding:58px 0}
      section{padding:63px 0}
      .hero-sheet{margin-top:25px}
      .metric-strip,.matrix,.process-row,.faq-grid{grid-template-columns:1fr}
      .metric{border-right:0;border-bottom:1px solid var(--line);padding:20px}
      .metric:last-child{border-bottom:0}
      .notice,.cta{display:block;padding:30px}
      .cta .btn-main{display:inline-block;margin-top:22px}
      .footer-bottom{display:block}
      .footer-bottom span{display:block;margin-top:7px}
      .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;text-align:center}
    }
    @media(max-width:520px){
      h1{font-size:2.45rem}
      .info-card,.process-card,.faq-item{padding:23px}
    }