/* roulang page: index */
:root{
      --green:#16a34a;
      --green-dark:#087a36;
      --green-soft:#dcfce7;
      --lime:#84cc16;
      --ink:#0f172a;
      --muted:#64748b;
      --light:#f8fafc;
      --card:#ffffff;
      --line:#e2e8f0;
      --amber:#f59e0b;
      --red:#ef4444;
      --blue:#0ea5e9;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow-soft:0 24px 70px rgba(15,23,42,.10);
      --shadow-card:0 14px 36px rgba(15,23,42,.08);
      --shadow-green:0 18px 42px rgba(22,163,74,.22);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(22,163,74,.10), transparent 28%),
        linear-gradient(180deg,#ffffff 0%,#f6faf8 44%,#ffffff 100%);
      line-height:1.75;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.90);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(226,232,240,.88);
    }
    .nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:-.02em}
    .brand-mark{
      width:44px;height:44px;border-radius:15px;
      background:linear-gradient(135deg,var(--green),#22c55e 56%,#bbf7d0);
      color:#fff;display:grid;place-items:center;
      box-shadow:var(--shadow-green);
      position:relative;overflow:hidden;
    }
    .brand-mark:after{content:"";position:absolute;inset:7px;border:1px solid rgba(255,255,255,.45);border-radius:11px}
    .brand-name{font-size:21px;color:#052e16}
    .nav-links{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
    .nav-link{
      padding:10px 13px;border-radius:999px;
      color:#334155;font-weight:700;font-size:14px;
      transition:.22s ease;
      white-space:nowrap;
    }
    .nav-link:hover{background:var(--green-soft);color:var(--green-dark);transform:translateY(-1px)}
    .nav-link.active{background:#052e16;color:#fff;box-shadow:0 10px 22px rgba(5,46,22,.16)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .mini-status{
      display:flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;
      background:#f0fdf4;color:#166534;border:1px solid #bbf7d0;
      font-size:13px;font-weight:800;
    }
    .pulse{width:8px;height:8px;border-radius:99px;background:#22c55e;box-shadow:0 0 0 6px rgba(34,197,94,.16)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:12px 18px;border-radius:999px;border:1px solid transparent;
      font-weight:900;line-height:1;transition:.22s ease;cursor:pointer;
    }
    .btn-primary{background:linear-gradient(135deg,var(--green),#22c55e);color:#fff;box-shadow:var(--shadow-green)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 48px rgba(22,163,74,.28)}
    .btn-secondary{background:#fff;color:#166534;border-color:#bbf7d0;box-shadow:0 10px 24px rgba(15,23,42,.06)}
    .btn-secondary:hover{background:#f0fdf4;transform:translateY(-2px)}
    .btn-dark{background:#052e16;color:#fff}
    .btn-dark:hover{background:#064e3b;transform:translateY(-2px)}
    .menu-toggle{display:none;width:44px;height:44px;border:0;border-radius:14px;background:#f1f5f9;color:#0f172a}
    .hero{
      position:relative;overflow:hidden;
      padding:54px 0 34px;
      background:
        linear-gradient(180deg,rgba(255,255,255,.72),rgba(255,255,255,.96)),
        url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
      border-bottom:1px solid rgba(226,232,240,.9);
    }
    .countdown-bar{
      display:flex;align-items:center;justify-content:space-between;gap:14px;
      padding:12px 16px;border-radius:20px;
      background:#052e16;color:#dcfce7;border:1px solid rgba(187,247,208,.20);
      box-shadow:0 20px 50px rgba(5,46,22,.18);
      margin-bottom:22px;
    }
    .time-boxes{display:flex;gap:8px;align-items:center;white-space:nowrap}
    .time-box{min-width:42px;text-align:center;padding:6px 8px;border-radius:12px;background:rgba(255,255,255,.11);color:#fff;font-weight:900}
    .hero-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:24px;align-items:stretch}
    .hero-copy{
      padding:34px;border-radius:var(--radius-xl);
      background:rgba(255,255,255,.88);border:1px solid rgba(226,232,240,.9);
      box-shadow:var(--shadow-soft);
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 11px;border-radius:999px;
      background:#ecfdf5;color:#047857;border:1px solid #bbf7d0;
      font-size:13px;font-weight:900;margin-bottom:15px;
    }
    h1{font-size:clamp(34px,5vw,62px);line-height:1.08;letter-spacing:-.045em;margin:0 0 18px;color:#052e16}
    .hero-intro{font-size:18px;color:#334155;margin:0 0 24px;max-width:720px}
    .hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
    .data-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
    .data-pill{padding:12px 14px;border-radius:18px;background:#f8fafc;border:1px solid var(--line)}
    .data-pill strong{display:block;font-size:24px;color:#16a34a;line-height:1.1}
    .data-pill span{font-size:13px;color:var(--muted);font-weight:700}
    .choice-stage{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:end}
    .plan-card{
      background:#fff;border:1px solid var(--line);border-radius:24px;
      padding:18px;box-shadow:var(--shadow-card);min-height:310px;
      display:flex;flex-direction:column;position:relative;overflow:hidden;
      transition:.25s ease;
    }
    .plan-card:hover{transform:translateY(-4px);box-shadow:0 24px 54px rgba(15,23,42,.12)}
    .plan-card.recommend{
      min-height:372px;border:2px solid #22c55e;
      background:linear-gradient(180deg,#ffffff 0%,#f0fdf4 100%);
      box-shadow:0 28px 70px rgba(22,163,74,.20);
      order:-1;
    }
    .tag-hot{position:absolute;top:16px;right:16px;background:#f97316;color:#fff;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:900}
    .plan-title{font-size:20px;font-weight:950;color:#052e16;margin:16px 0 6px}
    .plan-desc{font-size:14px;color:#64748b;margin:0 0 14px}
    .plan-price{font-size:34px;font-weight:950;color:#0f172a;margin:4px 0}
    .plan-price small{font-size:13px;color:#64748b;font-weight:800}
    .plan-list{list-style:none;padding:0;margin:12px 0 18px;display:grid;gap:8px}
    .plan-list li{font-size:14px;color:#334155;display:flex;gap:8px}
    .plan-list li:before{content:"✓";color:#16a34a;font-weight:950}
    .stock{margin-top:auto;font-size:13px;color:#b45309;background:#fffbeb;border:1px solid #fde68a;border-radius:14px;padding:8px 10px;font-weight:800}
    section{padding:70px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:26px}
    .section-kicker{font-size:13px;font-weight:950;color:#16a34a;letter-spacing:.08em;margin-bottom:5px}
    .section-title{font-size:clamp(26px,3vw,42px);line-height:1.18;letter-spacing:-.03em;margin:0;color:#052e16}
    .section-desc{max-width:700px;color:#64748b;margin:8px 0 0;font-size:16px}
    .news-layout{display:grid;grid-template-columns:1.6fr .9fr;gap:22px}
    .news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);overflow:hidden}
    .news-item{display:grid;grid-template-columns:116px 1fr auto;gap:18px;padding:20px;border-bottom:1px solid var(--line);align-items:center;transition:.2s ease}
    .news-item:last-child{border-bottom:0}
    .news-item:hover{background:#f8fafc}
    .date{color:#16a34a;font-weight:950}
    .news-item h3{margin:0 0 5px;font-size:18px;color:#0f172a}
    .news-item p{margin:0;color:#64748b;font-size:14px}
    .read-more{font-size:13px;font-weight:900;color:#166534;background:#ecfdf5;border:1px solid #bbf7d0;padding:8px 12px;border-radius:999px;white-space:nowrap}
    .recommend-panel{border-radius:var(--radius-xl);overflow:hidden;background:#052e16;color:#fff;box-shadow:var(--shadow-soft)}
    .recommend-panel img{height:192px;width:100%;object-fit:cover}
    .recommend-body{padding:22px}
    .recommend-body h3{font-size:24px;margin:0 0 10px}
    .recommend-body p{color:#d1fae5;margin:0 0 18px}
    .flash-section{padding-top:0}
    .flash-box{
      background:linear-gradient(135deg,#052e16,#065f46 58%,#16a34a);
      border-radius:var(--radius-xl);padding:24px;color:#fff;box-shadow:var(--shadow-soft);overflow:hidden;
    }
    .flash-top{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:18px}
    .flash-track{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .flash-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.20);border-radius:22px;padding:16px;backdrop-filter:blur(10px)}
    .flash-card h3{margin:10px 0 6px;font-size:18px}
    .flash-card p{margin:0 0 12px;color:#dcfce7;font-size:14px}
    .progress{height:8px;background:rgba(255,255,255,.18);border-radius:99px;overflow:hidden;margin:10px 0}
    .progress span{display:block;height:100%;background:#facc15;border-radius:99px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .service-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
      padding:24px;box-shadow:var(--shadow-card);transition:.25s ease;position:relative;overflow:hidden;
    }
    .service-card:hover{transform:translateY(-4px);box-shadow:0 24px 56px rgba(15,23,42,.12)}
    .icon{
      width:46px;height:46px;border-radius:16px;background:#ecfdf5;color:#16a34a;
      display:grid;place-items:center;font-weight:950;font-size:22px;margin-bottom:15px;
    }
    .service-card h3{margin:0 0 8px;font-size:22px;color:#052e16}
    .service-card p{margin:0;color:#64748b}
    .category-card{min-height:230px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;border-radius:26px;overflow:hidden;position:relative;padding:20px;box-shadow:var(--shadow-card)}
    .category-card:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.08),rgba(5,46,22,.82));z-index:1}
    .category-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.35s ease}
    .category-card:hover img{transform:scale(1.06)}
    .category-card div{position:relative;z-index:2}
    .category-card h3{font-size:22px;margin:0 0 6px}
    .category-card p{margin:0;color:#dcfce7;font-size:14px}
    .steps-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:center}
    .screenshot-stage{
      border-radius:32px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-soft);
      padding:18px;position:relative;
    }
    .screenshot-stage img{border-radius:24px;height:420px;width:100%;object-fit:cover}
    .success-badge{
      position:absolute;right:34px;top:34px;background:#fff;border:1px solid #bbf7d0;
      box-shadow:var(--shadow-card);border-radius:18px;padding:12px 14px;color:#166534;font-weight:950;
    }
    .step-list{display:grid;gap:14px}
    .step-item{display:grid;grid-template-columns:56px 1fr;gap:14px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:0 12px 28px rgba(15,23,42,.06)}
    .step-num{width:46px;height:46px;border-radius:16px;background:#052e16;color:#fff;display:grid;place-items:center;font-weight:950}
    .step-item h3{margin:0 0 4px;color:#052e16;font-size:19px}
    .step-item p{margin:0;color:#64748b}
    .proof-band{background:#f0fdf4;border-top:1px solid #bbf7d0;border-bottom:1px solid #bbf7d0}
    .proof-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .proof-item{background:#fff;border:1px solid #bbf7d0;border-radius:24px;padding:22px;text-align:center;box-shadow:0 12px 26px rgba(22,163,74,.08)}
    .proof-item strong{display:block;font-size:34px;color:#16a34a;line-height:1.1}
    .proof-item span{font-weight:800;color:#334155}
    .app-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
    .app-panel{background:#052e16;color:#fff;border-radius:var(--radius-xl);padding:34px;box-shadow:var(--shadow-soft)}
    .app-panel p{color:#d1fae5}
    .download-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);padding:24px;box-shadow:var(--shadow-card)}
    .download-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px;border-radius:18px;background:#f8fafc;border:1px solid var(--line);margin-bottom:12px}
    .download-row strong{display:block;color:#052e16}
    .download-row span{color:#64748b;font-size:14px}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}
    .faq-card{background:#fff;border:1px solid var(--line);border-radius:22px;margin-bottom:12px;overflow:hidden;box-shadow:0 10px 24px rgba(15,23,42,.05)}
    .faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;text-align:left;background:#fff;border:0;padding:18px 20px;font-weight:950;color:#052e16;cursor:pointer}
    .faq-q:hover{background:#f8fafc}
    .faq-a{display:none;padding:0 20px 18px;color:#64748b}
    .faq-card.open .faq-a{display:block}
    .faq-card.open .plus{transform:rotate(45deg)}
    .plus{transition:.2s ease}
    .about-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}
    .about-text{background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);padding:30px;box-shadow:var(--shadow-card)}
    .about-text p{color:#475569;margin:0 0 14px}
    .timeline{background:#052e16;color:#fff;border-radius:var(--radius-xl);padding:28px;box-shadow:var(--shadow-soft)}
    .timeline-item{display:grid;grid-template-columns:90px 1fr;gap:14px;border-bottom:1px solid rgba(255,255,255,.14);padding:15px 0}
    .timeline-item:last-child{border-bottom:0}
    .timeline-item strong{color:#86efac}
    .timeline-item p{margin:0;color:#d1fae5}
    .cta-strip{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:45;width:min(780px,calc(100% - 28px));background:rgba(5,46,22,.94);color:#fff;border:1px solid rgba(187,247,208,.28);border-radius:999px;padding:10px 12px 10px 18px;display:flex;align-items:center;justify-content:space-between;gap:14px;box-shadow:0 22px 60px rgba(5,46,22,.30);backdrop-filter:blur(12px)}
    .cta-strip span{font-weight:900}
    .site-footer{background:#04150c;color:#d1fae5;padding:54px 0 92px}
    .footer-grid{display:grid;grid-template-columns:1.2fr repeat(5,1fr);gap:22px;margin-bottom:28px}
    .footer-brand p{color:#a7f3d0;margin:12px 0 0}
    .footer-col h4{color:#fff;margin:0 0 12px;font-size:15px}
    .footer-col a{display:block;color:#a7f3d0;margin:8px 0;font-size:14px;transition:.2s ease}
    .footer-col a:hover{color:#fff;transform:translateX(2px)}
    .beian{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;color:#86efac;font-size:14px;display:flex;flex-wrap:wrap;gap:10px 16px}
    .beian a{text-decoration:underline;text-underline-offset:3px}
    :focus-visible{outline:3px solid rgba(22,163,74,.35);outline-offset:3px}
    @media (max-width:1024px){
      .nav-links{position:fixed;left:20px;right:20px;top:86px;display:none;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:24px;padding:14px;box-shadow:var(--shadow-soft);align-items:stretch}
      .nav-links.open{display:flex}
      .nav-link{text-align:center}
      .menu-toggle{display:grid;place-items:center}
      .mini-status{display:none}
      .hero-grid,.news-layout,.steps-wrap,.app-wrap,.faq-wrap,.about-wrap{grid-template-columns:1fr}
      .choice-stage{grid-template-columns:1fr}
      .plan-card,.plan-card.recommend{min-height:auto;order:initial}
      .grid-4,.flash-track{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr 1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,1180px)}
      .nav-wrap{height:68px}
      .nav-actions .btn-primary{display:none}
      .hero{padding:32px 0 20px}
      .hero-copy{padding:24px}
      .countdown-bar,.flash-top,.section-head{align-items:flex-start;flex-direction:column}
      .data-strip,.grid-3,.proof-row{grid-template-columns:1fr}
      .grid-4,.flash-track{grid-template-columns:1fr}
      .news-item{grid-template-columns:1fr;gap:8px}
      .read-more{width:max-content}
      .footer-grid{grid-template-columns:1fr 1fr}
      .cta-strip{border-radius:24px;align-items:flex-start;flex-direction:column}
      section{padding:52px 0}
    }
    @media (max-width:520px){
      .brand-name{font-size:18px}
      .hero-ctas{flex-direction:column}
      .btn{width:100%}
      .time-boxes{flex-wrap:wrap}
      .footer-grid{grid-template-columns:1fr}
      .download-row{flex-direction:column;align-items:flex-start}
      .timeline-item{grid-template-columns:1fr}
      h1{font-size:36px}
    }

/* roulang page: category1 */
:root{
      --brand:#10b981;
      --brand-dark:#047857;
      --brand-soft:#ecfdf5;
      --accent:#f59e0b;
      --ink:#10231c;
      --muted:#63746e;
      --line:#dce9e3;
      --paper:#ffffff;
      --bg:#f7fbf9;
      --radius:24px;
      --radius-sm:16px;
      --shadow:0 18px 55px rgba(5,150,105,.14);
      --shadow-card:0 14px 34px rgba(16,35,28,.08);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(16,185,129,.10), transparent 28%),
        radial-gradient(circle at 92% 18%, rgba(245,158,11,.12), transparent 28%),
        var(--bg);
      line-height:1.72;
      -webkit-font-smoothing:antialiased;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,233,227,.82);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.02em}
    .brand-mark{
      width:42px;height:42px;border-radius:15px;
      display:inline-flex;align-items:center;justify-content:center;
      color:#fff;font-size:22px;font-weight:900;
      background:linear-gradient(135deg,var(--brand),#22c55e);
      box-shadow:0 12px 28px rgba(16,185,129,.28);
    }
    .brand-name{font-size:22px;color:var(--ink)}
    .nav-links{
      display:flex;align-items:center;gap:4px;
      padding:7px;border:1px solid rgba(220,233,227,.9);
      border-radius:999px;background:rgba(247,251,249,.78);
    }
    .nav-link{
      padding:9px 13px;border-radius:999px;
      color:#3e534b;font-size:14px;font-weight:800;
      transition:background .22s ease,color .22s ease,transform .22s ease;
      white-space:nowrap;
    }
    .nav-link:hover{background:#fff;color:var(--brand-dark);transform:translateY(-1px)}
    .nav-link.active{background:var(--ink);color:#fff;box-shadow:0 10px 24px rgba(16,35,28,.14)}
    .header-actions{display:flex;align-items:center;gap:10px}
    .status-pill{
      display:flex;align-items:center;gap:8px;
      padding:9px 12px;border-radius:999px;
      background:#ecfdf5;color:var(--brand-dark);
      border:1px solid #bbf7d0;font-weight:900;font-size:13px;
      white-space:nowrap;
    }
    .pulse-dot{width:9px;height:9px;border-radius:999px;background:#22c55e;box-shadow:0 0 0 6px rgba(34,197,94,.16)}
    .menu-btn{
      display:none;border:0;background:var(--ink);color:#fff;
      border-radius:14px;padding:10px 12px;font-weight:900;
      cursor:pointer;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:13px 18px;border-radius:999px;
      font-weight:900;border:1px solid transparent;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
      cursor:pointer;white-space:nowrap;
    }
    .btn-primary{background:var(--brand);color:#fff;box-shadow:0 16px 32px rgba(16,185,129,.25)}
    .btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 20px 42px rgba(5,150,105,.28)}
    .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
    .btn-ghost:hover{border-color:#86efac;color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-card)}
    .btn-dark{background:var(--ink);color:#fff}
    .btn-dark:hover{background:#17392e;transform:translateY(-2px)}
    .badge{
      display:inline-flex;align-items:center;gap:7px;
      padding:7px 11px;border-radius:999px;
      font-size:13px;font-weight:900;
      color:var(--brand-dark);background:#ecfdf5;border:1px solid #bbf7d0;
    }
    .section{padding:76px 0}
    .section-tight{padding:54px 0}
    .section-head{max-width:780px;margin-bottom:30px}
    .section-kicker{color:var(--brand-dark);font-weight:950;font-size:14px;letter-spacing:.04em;margin-bottom:8px}
    .section-title{font-size:clamp(28px,4vw,44px);line-height:1.18;font-weight:950;letter-spacing:-.04em;margin:0 0 12px}
    .section-desc{color:var(--muted);font-size:17px;margin:0}
    .hero{
      position:relative;overflow:hidden;
      padding:58px 0 78px;
      background:
        linear-gradient(90deg,rgba(247,251,249,.96),rgba(247,251,249,.76)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:34px;align-items:center}
    .hero-copy h1{
      font-size:clamp(38px,5vw,68px);
      line-height:1.04;
      letter-spacing:-.055em;
      margin:16px 0 18px;
      font-weight:950;
    }
    .hero-copy p{font-size:18px;color:#51645d;margin:0 0 26px;max-width:680px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
    .invite-panel{
      border:1px solid rgba(187,247,208,.9);
      background:rgba(255,255,255,.88);
      box-shadow:var(--shadow);
      border-radius:30px;
      padding:22px;
      position:relative;
      overflow:hidden;
    }
    .invite-panel:before{
      content:"";position:absolute;inset:-80px -90px auto auto;
      width:220px;height:220px;border-radius:50%;
      background:rgba(16,185,129,.14);
    }
    .panel-top{display:flex;align-items:center;justify-content:space-between;gap:14px;position:relative}
    .reward{font-size:14px;color:var(--muted)}
    .reward strong{display:block;color:var(--ink);font-size:26px;line-height:1.1}
    .qr-card{
      width:86px;height:86px;border-radius:20px;
      background:linear-gradient(135deg,#064e3b,#10b981);
      display:grid;place-items:center;color:#fff;font-weight:950;
      box-shadow:0 18px 36px rgba(6,78,59,.25);
    }
    .progress-wrap{margin:20px 0 16px;position:relative}
    .progress-label{display:flex;justify-content:space-between;color:#425951;font-size:13px;font-weight:900;margin-bottom:8px}
    .progress-track{height:12px;border-radius:999px;background:#e5f3ed;overflow:hidden}
    .progress-bar{width:68%;height:100%;border-radius:999px;background:linear-gradient(90deg,#10b981,#84cc16)}
    .score-stage{
      margin-top:18px;border-radius:24px;
      background:#0d221b;color:#fff;padding:18px;
      box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
    }
    .match-line{
      display:grid;grid-template-columns:1fr auto 1fr;
      align-items:center;gap:12px;padding:12px 0;
      border-bottom:1px solid rgba(255,255,255,.10);
    }
    .match-line:last-child{border-bottom:0}
    .team{font-weight:900}
    .team.right{text-align:right}
    .score{font-size:25px;font-weight:950;color:#bbf7d0;letter-spacing:.02em}
    .live-tag{display:inline-flex;align-items:center;gap:6px;color:#bbf7d0;font-size:12px;font-weight:900}
    .stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .stat-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:var(--shadow-card)}
    .stat-num{font-size:26px;font-weight:950;color:var(--brand-dark)}
    .stat-text{color:var(--muted);font-weight:800;font-size:13px}
    .split{display:grid;grid-template-columns:.86fr 1.14fr;gap:28px;align-items:center}
    .glass-card,.feature-card,.proof-card,.faq-item,.step-card{
      background:rgba(255,255,255,.9);
      border:1px solid rgba(220,233,227,.92);
      border-radius:var(--radius);
      box-shadow:var(--shadow-card);
    }
    .glass-card{padding:26px}
    .feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .feature-card{padding:22px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
    .feature-card:hover,.proof-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#a7f3d0}
    .icon{
      width:42px;height:42px;border-radius:15px;
      display:inline-flex;align-items:center;justify-content:center;
      background:#ecfdf5;color:var(--brand-dark);font-weight:950;margin-bottom:12px;
    }
    .feature-card h3,.proof-card h3,.step-card h3{margin:0 0 8px;font-size:19px;font-weight:950}
    .feature-card p,.proof-card p,.step-card p{margin:0;color:var(--muted)}
    .image-frame{
      border-radius:30px;overflow:hidden;border:1px solid var(--line);
      box-shadow:var(--shadow);background:#fff;padding:10px;
    }
    .image-frame img{border-radius:22px;width:100%;height:390px;object-fit:cover}
    .steps-wrap{display:grid;grid-template-columns:1fr;gap:14px}
    .step-card{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:18px}
    .step-no{
      width:46px;height:46px;border-radius:16px;
      background:var(--ink);color:#fff;font-weight:950;
      display:grid;place-items:center;
    }
    .step-ok{color:var(--brand-dark);font-weight:950;background:#ecfdf5;border:1px solid #bbf7d0;border-radius:999px;padding:7px 10px;font-size:12px}
    .proof-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .proof-card{padding:24px}
    .proof-card.large{background:linear-gradient(135deg,#ffffff,#ecfdf5)}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .timeline-dot{width:12px;height:12px;border-radius:999px;background:#22c55e;margin-top:8px;box-shadow:0 0 0 5px rgba(34,197,94,.12);flex:0 0 auto}
    .objection{
      display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
    }
    .faq-list{display:grid;gap:14px}
    .faq-item{padding:20px}
    .faq-item summary{cursor:pointer;font-weight:950;list-style:none;display:flex;justify-content:space-between;gap:12px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"＋";color:var(--brand-dark);font-weight:950}
    .faq-item[open] summary:after{content:"－"}
    .faq-item p{margin:12px 0 0;color:var(--muted)}
    .download-strip{
      border-radius:32px;
      background:linear-gradient(135deg,#063f32,#0f766e 62%,#10b981);
      color:#fff;overflow:hidden;position:relative;
      box-shadow:0 24px 70px rgba(6,78,59,.25);
    }
    .download-strip:before{
      content:"";position:absolute;right:-80px;top:-100px;
      width:300px;height:300px;border-radius:50%;
      background:rgba(255,255,255,.12);
    }
    .download-inner{position:relative;display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center;padding:34px}
    .download-inner h2{font-size:clamp(28px,4vw,44px);line-height:1.12;font-weight:950;margin:0 0 10px}
    .download-inner p{color:rgba(255,255,255,.82);margin:0;max-width:720px}
    .form-card{
      background:#fff;border:1px solid var(--line);border-radius:26px;
      padding:22px;box-shadow:var(--shadow-card);
    }
    .form-row{display:flex;gap:10px;margin-top:14px}
    .input{
      width:100%;border:1px solid var(--line);border-radius:16px;
      padding:13px 14px;outline:none;background:#fbfefd;
      transition:border-color .2s ease,box-shadow .2s ease;
    }
    .input:focus{border-color:#34d399;box-shadow:0 0 0 4px rgba(52,211,153,.16)}
    .site-footer{
      background:#081c16;color:rgba(255,255,255,.72);
      padding:54px 0 28px;
    }
    .footer-grid{display:grid;grid-template-columns:1.35fr repeat(5,1fr);gap:24px}
    .footer-brand p{margin:14px 0 0;color:rgba(255,255,255,.68)}
    .footer-col h4{color:#fff;margin:0 0 12px;font-size:15px}
    .footer-col a{display:block;color:rgba(255,255,255,.66);font-size:14px;margin:8px 0;transition:color .2s ease,transform .2s ease}
    .footer-col a:hover{color:#bbf7d0;transform:translateX(2px)}
    .beian{
      margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
      display:flex;flex-wrap:wrap;gap:10px 14px;font-size:13px;color:rgba(255,255,255,.58)
    }
    .beian a{color:#bbf7d0}
    :focus-visible{outline:3px solid rgba(16,185,129,.35);outline-offset:3px}
    @media (max-width:1024px){
      .header-actions .status-pill{display:none}
      .hero-grid,.split,.proof-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:repeat(3,1fr)}
      .footer-brand{grid-column:1/-1}
      .download-inner{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .nav-wrap{min-height:68px}
      .menu-btn{display:inline-flex}
      .nav-links{
        position:absolute;left:14px;right:14px;top:72px;
        display:none;flex-direction:column;align-items:stretch;
        border-radius:22px;padding:12px;background:#fff;box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-link{padding:12px 14px}
      .brand-name{font-size:20px}
      .hero{padding:38px 0 58px}
      .section{padding:56px 0}
      .feature-grid,.objection,.stats-row{grid-template-columns:1fr}
      .step-card{grid-template-columns:auto 1fr}
      .step-ok{grid-column:2}
      .footer-grid{grid-template-columns:1fr 1fr}
      .image-frame img{height:300px}
      .form-row{flex-direction:column}
    }
    @media (max-width:520px){
      .header-actions .btn{display:none}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .panel-top{align-items:flex-start}
      .qr-card{width:70px;height:70px}
      .match-line{grid-template-columns:1fr;gap:4px;text-align:left}
      .team.right{text-align:left}
      .score{font-size:22px}
      .footer-grid{grid-template-columns:1fr}
      .download-inner{padding:24px}
      .section-title{letter-spacing:-.03em}
    }

/* roulang page: category3 */
:root{
      --green:#16a34a;
      --green-2:#22c55e;
      --green-3:#dcfce7;
      --emerald:#047857;
      --ink:#0f172a;
      --muted:#64748b;
      --soft:#f8fafc;
      --line:#e2e8f0;
      --white:#ffffff;
      --yellow:#facc15;
      --orange:#fb923c;
      --blue:#0ea5e9;
      --radius:24px;
      --radius-sm:16px;
      --shadow:0 20px 55px rgba(15,23,42,.10);
      --shadow-soft:0 12px 34px rgba(15,23,42,.08);
      --ring:0 0 0 4px rgba(34,197,94,.18);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 0%, rgba(34,197,94,.13), transparent 30%),
        radial-gradient(circle at 92% 5%, rgba(14,165,233,.10), transparent 28%),
        linear-gradient(180deg,#ffffff 0%,#f8fafc 42%,#ffffff 100%);
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(255,255,255,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(226,232,240,.9);
      box-shadow:0 8px 28px rgba(15,23,42,.04);
    }
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:15px;
      color:#fff;
      font-size:22px;
      background:linear-gradient(135deg,var(--green),var(--emerald));
      box-shadow:0 12px 26px rgba(22,163,74,.26);
    }
    .brand-name{font-size:22px;color:var(--ink)}
    .nav-links{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:6px;
      padding:7px;
      border:1px solid rgba(226,232,240,.9);
      background:#fff;
      border-radius:999px;
      box-shadow:0 8px 24px rgba(15,23,42,.05);
    }
    .nav-link{
      padding:9px 14px;
      border-radius:999px;
      color:#475569;
      font-size:14px;
      font-weight:800;
      transition:.2s ease;
    }
    .nav-link:hover{
      color:var(--green);
      background:var(--green-3);
    }
    .nav-link.active{
      color:#fff;
      background:linear-gradient(135deg,var(--green),var(--emerald));
      box-shadow:0 10px 22px rgba(22,163,74,.22);
    }
    .nav-actions{display:flex;align-items:center;gap:10px}
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 12px;
      border-radius:999px;
      background:#ecfdf5;
      color:#047857;
      font-weight:900;
      font-size:13px;
      border:1px solid #bbf7d0;
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--green-2);
      box-shadow:0 0 0 5px rgba(34,197,94,.16);
    }
    .menu-btn{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--ink);
      cursor:pointer;
    }
    .menu-btn:focus,.btn:focus,.nav-link:focus,.footer-col a:focus{outline:none;box-shadow:var(--ring)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:900;
      transition:.22s ease;
      cursor:pointer;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--green),var(--emerald));
      box-shadow:0 14px 28px rgba(22,163,74,.24);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(22,163,74,.30)}
    .btn-soft{
      color:#065f46;
      background:#ecfdf5;
      border-color:#bbf7d0;
    }
    .btn-soft:hover{background:#dcfce7;transform:translateY(-2px)}
    .btn-dark{
      color:#fff;
      background:#0f172a;
      box-shadow:0 14px 28px rgba(15,23,42,.18);
    }
    .btn-dark:hover{transform:translateY(-2px);background:#020617}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      font-size:13px;
      font-weight:900;
      color:#047857;
      background:#ecfdf5;
      border:1px solid #bbf7d0;
    }
    .section{padding:78px 0}
    .section-tight{padding:46px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--green);
      font-weight:900;
      font-size:14px;
      margin-bottom:12px;
    }
    .section-title{
      font-size:clamp(28px,3vw,44px);
      line-height:1.16;
      letter-spacing:-.04em;
      font-weight:950;
      margin:0;
    }
    .section-desc{
      color:var(--muted);
      font-size:17px;
      margin-top:14px;
      max-width:760px;
    }
    .hero{
      padding:42px 0 64px;
    }
    .creator-card{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      border:1px solid rgba(226,232,240,.92);
      background:#fff;
      box-shadow:var(--shadow);
    }
    .cover-head{
      min-height:260px;
      background:
        linear-gradient(90deg,rgba(6,78,59,.92),rgba(6,95,70,.65),rgba(255,255,255,.10)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      padding:34px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:20px;
      color:#fff;
    }
    .countdown-box{
      display:flex;
      align-items:center;
      gap:10px;
      padding:10px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.24);
      backdrop-filter:blur(12px);
      font-weight:900;
    }
    .profile-row{
      margin:-72px 32px 0;
      position:relative;
      z-index:2;
      display:grid;
      grid-template-columns:auto 1fr auto;
      gap:20px;
      align-items:end;
    }
    .avatar{
      width:132px;
      height:132px;
      border-radius:34px;
      border:6px solid #fff;
      background:linear-gradient(135deg,var(--green),#0f766e);
      display:grid;
      place-items:center;
      color:#fff;
      font-size:54px;
      font-weight:950;
      box-shadow:0 18px 36px rgba(15,23,42,.18);
    }
    .profile-info{
      padding:86px 0 24px;
    }
    .profile-info h1{
      margin:0;
      font-size:clamp(32px,4.5vw,58px);
      line-height:1.08;
      letter-spacing:-.055em;
      font-weight:950;
    }
    .profile-info p{
      margin:14px 0 0;
      max-width:720px;
      color:var(--muted);
      font-size:18px;
    }
    .profile-actions{
      padding-bottom:28px;
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }
    .metric-strip{
      margin:0 32px 32px;
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
    }
    .metric{
      padding:18px;
      border-radius:22px;
      background:linear-gradient(180deg,#fff,#f8fafc);
      border:1px solid var(--line);
      transition:.22s ease;
    }
    .metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-soft)}
    .metric strong{
      display:block;
      font-size:26px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .metric span{
      display:block;
      color:var(--muted);
      font-size:13px;
      font-weight:800;
      margin-top:2px;
    }
    .summary-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      align-items:center;
    }
    .text-panel{
      padding:34px;
      border-radius:30px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .check-list{
      display:grid;
      gap:13px;
      margin-top:22px;
    }
    .check-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:18px;
      background:#f8fafc;
      border:1px solid #eef2f7;
    }
    .check{
      width:24px;
      height:24px;
      flex:0 0 auto;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--green);
      font-size:14px;
      font-weight:950;
    }
    .stage{
      position:relative;
      padding:18px;
      border-radius:34px;
      background:linear-gradient(135deg,#052e16,#064e3b);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .stage:before{
      content:"";
      position:absolute;
      inset:-70px -90px auto auto;
      width:220px;
      height:220px;
      border-radius:50%;
      background:rgba(34,197,94,.34);
      filter:blur(4px);
    }
    .screen{
      position:relative;
      z-index:1;
      border-radius:25px;
      overflow:hidden;
      background:#fff;
      border:1px solid rgba(255,255,255,.24);
    }
    .screen img{
      width:100%;
      height:280px;
      object-fit:cover;
    }
    .screen-body{padding:20px}
    .screen-top{
      display:flex;
      justify-content:space-between;
      gap:12px;
      align-items:center;
      margin-bottom:14px;
    }
    .live-tag{
      padding:6px 10px;
      border-radius:999px;
      background:#dcfce7;
      color:#166534;
      font-weight:950;
      font-size:12px;
    }
    .mini-row{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:13px 0;
      border-top:1px solid var(--line);
      color:#334155;
      font-weight:800;
    }
    .mini-row span:last-child{color:var(--green)}
    .steps-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:26px;
      align-items:start;
    }
    .step-list{
      display:grid;
      gap:16px;
    }
    .step{
      display:grid;
      grid-template-columns:auto 1fr;
      gap:14px;
      padding:20px;
      border-radius:24px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 10px 26px rgba(15,23,42,.05);
      transition:.22s ease;
    }
    .step:hover{transform:translateX(4px);box-shadow:var(--shadow-soft)}
    .step-num{
      width:42px;
      height:42px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,var(--green),var(--emerald));
    }
    .step h3,.case-card h3,.faq-q h3,.proof-card h3,.objection h3{margin:0;font-weight:950;letter-spacing:-.02em}
    .step p,.case-card p,.proof-card p,.objection p{margin:7px 0 0;color:var(--muted)}
    .download-panel{
      border-radius:30px;
      overflow:hidden;
      background:#0f172a;
      color:#fff;
      box-shadow:var(--shadow);
    }
    .download-panel img{
      height:210px;
      width:100%;
      object-fit:cover;
      opacity:.76;
    }
    .download-inner{padding:26px}
    .download-inner p{color:#cbd5e1;margin:10px 0 20px}
    .tool-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:22px;
      align-items:stretch;
    }
    .feature-map{
      display:grid;
      gap:14px;
    }
    .feature-row{
      display:grid;
      grid-template-columns:150px 1fr auto;
      gap:14px;
      align-items:center;
      padding:16px 18px;
      border-radius:20px;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:0 8px 22px rgba(15,23,42,.04);
    }
    .feature-row b{font-weight:950}
    .feature-row p{margin:0;color:var(--muted);font-size:14px}
    .success{
      color:#047857;
      background:#ecfdf5;
      border:1px solid #bbf7d0;
      padding:7px 10px;
      border-radius:999px;
      font-size:12px;
      font-weight:950;
      white-space:nowrap;
    }
    .proof-grid{
      display:grid;
      grid-template-columns:1fr 1.4fr;
      gap:24px;
      align-items:stretch;
    }
    .proof-card{
      padding:28px;
      border-radius:28px;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:var(--shadow-soft);
    }
    .quote-card{
      position:relative;
      padding:32px;
      border-radius:30px;
      background:
        linear-gradient(135deg,rgba(6,95,70,.94),rgba(15,23,42,.92)),
        url('/assets/images/coverpic/cover-7.webp') center/cover no-repeat;
      color:#fff;
      overflow:hidden;
      min-height:330px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
    }
    .quote-card p{font-size:20px;line-height:1.8;margin:0;color:#f8fafc}
    .quote-meta{display:flex;gap:12px;align-items:center;margin-top:24px}
    .quote-avatar{
      width:48px;
      height:48px;
      border-radius:16px;
      background:#fff;
      color:var(--green);
      display:grid;
      place-items:center;
      font-weight:950;
    }
    .case-row{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
      margin-top:24px;
    }
    .case-card{
      border:1px solid var(--line);
      background:#fff;
      border-radius:24px;
      overflow:hidden;
      box-shadow:0 10px 26px rgba(15,23,42,.05);
      transition:.22s ease;
    }
    .case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft)}
    .case-card img{
      width:100%;
      height:150px;
      object-fit:cover;
    }
    .case-card div{padding:20px}
    .objection-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .objection{
      padding:24px;
      border-radius:26px;
      border:1px solid var(--line);
      background:#fff;
      box-shadow:0 10px 26px rgba(15,23,42,.05);
    }
    .objection .tag{
      display:inline-flex;
      margin-bottom:12px;
      padding:6px 10px;
      border-radius:999px;
      background:#fff7ed;
      color:#c2410c;
      font-size:12px;
      font-weight:950;
      border:1px solid #fed7aa;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:28px;
      align-items:start;
    }
    .faq-list{display:grid;gap:14px}
    .faq-item{
      border:1px solid var(--line);
      background:#fff;
      border-radius:22px;
      overflow:hidden;
      box-shadow:0 8px 22px rgba(15,23,42,.04);
    }
    .faq-q{
      width:100%;
      padding:20px;
      border:0;
      background:#fff;
      display:flex;
      justify-content:space-between;
      gap:18px;
      text-align:left;
      cursor:pointer;
    }
    .faq-q h3{font-size:17px}
    .faq-icon{
      width:28px;
      height:28px;
      border-radius:50%;
      background:#ecfdf5;
      color:#047857;
      display:grid;
      place-items:center;
      font-weight:950;
      flex:0 0 auto;
    }
    .faq-a{
      display:none;
      padding:0 20px 20px;
      color:var(--muted);
    }
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-icon{transform:rotate(45deg)}
    .cta{
      position:relative;
      overflow:hidden;
      border-radius:34px;
      background:
        radial-gradient(circle at 15% 20%,rgba(250,204,21,.24),transparent 25%),
        linear-gradient(135deg,#064e3b,#0f172a);
      color:#fff;
      padding:42px;
      box-shadow:var(--shadow);
    }
    .cta:after{
      content:"";
      position:absolute;
      right:-80px;
      bottom:-120px;
      width:330px;
      height:330px;
      border-radius:50%;
      background:rgba(34,197,94,.22);
    }
    .cta-content{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:24px;
      align-items:center;
    }
    .cta h2{
      margin:0;
      font-size:clamp(28px,3.6vw,48px);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:950;
    }
    .cta p{color:#d1fae5;margin:14px 0 0;font-size:17px}
    .cta-actions{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap}
    .site-footer{
      background:#07111f;
      color:#cbd5e1;
      padding:56px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr repeat(5,1fr);
      gap:24px;
      align-items:start;
    }
    .footer-brand p{margin:16px 0 0;color:#94a3b8;font-size:14px;line-height:1.8}
    .footer-col h4{
      margin:0 0 14px;
      color:#fff;
      font-weight:950;
    }
    .footer-col a{
      display:block;
      color:#94a3b8;
      margin:9px 0;
      font-size:14px;
      transition:.2s ease;
    }
    .footer-col a:hover{color:#86efac;transform:translateX(3px)}
    .beian{
      margin-top:34px;
      padding-top:22px;
      border-top:1px solid rgba(148,163,184,.18);
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
      align-items:center;
      color:#94a3b8;
      font-size:13px;
    }
    .beian a{color:#bbf7d0}
    @media (max-width:1024px){
      .nav-links{
        position:absolute;
        left:20px;
        right:20px;
        top:82px;
        display:none;
        flex-direction:column;
        border-radius:24px;
        padding:12px;
        align-items:stretch;
      }
      .nav-links.show{display:flex}
      .nav-link{text-align:center}
      .menu-btn{display:grid;place-items:center}
      .status-pill{display:none}
      .profile-row{grid-template-columns:auto 1fr;margin:-64px 24px 0}
      .profile-actions{grid-column:1/-1;justify-content:flex-start;padding:0 0 24px 0}
      .metric-strip{grid-template-columns:repeat(2,1fr);margin:0 24px 24px}
      .summary-grid,.steps-wrap,.tool-grid,.proof-grid,.faq-wrap,.cta-content{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:repeat(3,1fr)}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,1180px)}
      .section{padding:56px 0}
      .cover-head{min-height:220px;padding:22px;flex-direction:column}
      .profile-row{grid-template-columns:1fr;align-items:start;margin:-58px 18px 0}
      .avatar{width:112px;height:112px;border-radius:28px;font-size:46px}
      .profile-info{padding:8px 0 10px}
      .metric-strip{grid-template-columns:1fr;margin:0 18px 18px}
      .feature-row{grid-template-columns:1fr;gap:8px}
      .case-row,.objection-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:520px){
      .brand-name{font-size:19px}
      .nav-wrap{min-height:68px}
      .nav-actions .btn{display:none}
      .text-panel,.cta{padding:24px}
      .screen img{height:210px}
      .footer-grid{grid-template-columns:1fr}
      .beian{display:block}
      .beian span,.beian a{display:inline-block;margin:4px 6px 4px 0}
    }

/* roulang page: category2 */
:root{
      --brand:#16a34a;
      --brand-dark:#0f7a36;
      --brand-soft:#dcfce7;
      --mint:#22c55e;
      --ink:#102019;
      --muted:#64746b;
      --weak:#eef8f1;
      --line:#dce9e1;
      --card:#ffffff;
      --bg:#f7fbf8;
      --dark:#07150d;
      --orange:#f59e0b;
      --blue:#0ea5e9;
      --radius-sm:12px;
      --radius:22px;
      --radius-lg:32px;
      --shadow:0 18px 55px rgba(10, 40, 24, .10);
      --shadow-strong:0 28px 80px rgba(7, 21, 13, .18);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(34,197,94,.12), transparent 28%),
        radial-gradient(circle at 90% 14%, rgba(14,165,233,.10), transparent 24%),
        var(--bg);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.88);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(220,233,225,.85);
      box-shadow:0 10px 30px rgba(7,21,13,.04);
    }
    .nav-wrap{
      height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      font-weight:900;
      letter-spacing:-.02em;
      white-space:nowrap;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:15px;
      display:grid;
      place-items:center;
      color:#fff;
      background:linear-gradient(135deg,var(--brand),#86efac);
      box-shadow:0 12px 30px rgba(22,163,74,.28);
      font-weight:950;
    }
    .brand-name{font-size:22px;color:var(--ink)}
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      padding:7px;
      border:1px solid var(--line);
      background:rgba(247,251,248,.78);
      border-radius:999px;
    }
    .nav-link{
      position:relative;
      padding:10px 14px;
      border-radius:999px;
      color:#425047;
      font-size:14px;
      font-weight:750;
      transition:all .22s ease;
    }
    .nav-link:hover{
      color:var(--brand-dark);
      background:#fff;
      box-shadow:0 8px 20px rgba(10,40,24,.08);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#fff;
      background:var(--brand);
      box-shadow:0 10px 24px rgba(22,163,74,.24);
    }
    .header-actions{display:flex;align-items:center;gap:10px}
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:9px 12px;
      border-radius:999px;
      background:var(--brand-soft);
      color:var(--brand-dark);
      font-size:13px;
      font-weight:800;
      white-space:nowrap;
    }
    .status-dot{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--mint);
      box-shadow:0 0 0 6px rgba(34,197,94,.14);
    }
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--ink);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      border:0;
      border-radius:999px;
      padding:13px 20px;
      font-weight:850;
      line-height:1;
      transition:all .24s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#fff;
      background:linear-gradient(135deg,var(--brand),#22c55e);
      box-shadow:0 16px 30px rgba(22,163,74,.25);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 44px rgba(22,163,74,.32)}
    .btn-ghost{
      color:var(--brand-dark);
      background:#fff;
      border:1px solid var(--line);
    }
    .btn-ghost:hover{border-color:rgba(22,163,74,.45);background:#f8fff9;transform:translateY(-2px)}
    .btn-dark{
      color:#fff;
      background:var(--dark);
      box-shadow:0 16px 35px rgba(7,21,13,.22);
    }
    .btn-dark:hover{transform:translateY(-2px);background:#0b2415}
    .hero{
      position:relative;
      padding:64px 0 42px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(90deg, rgba(247,251,248,.96), rgba(247,251,248,.76), rgba(247,251,248,.98)), url('/assets/images/backpic/back-2.webp');
      background-size:cover;
      background-position:center;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:520px;
      height:520px;
      right:-170px;
      top:30px;
      border-radius:50%;
      background:rgba(34,197,94,.12);
      filter:blur(4px);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0, 1.02fr) minmax(360px,.78fr);
      align-items:center;
      gap:42px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(220,252,231,.92);
      color:var(--brand-dark);
      border:1px solid rgba(22,163,74,.20);
      font-size:13px;
      font-weight:850;
    }
    h1{
      margin:18px 0 18px;
      font-size:clamp(34px,5.4vw,62px);
      line-height:1.08;
      letter-spacing:-.05em;
      color:#07150d;
      max-width:820px;
      font-weight:950;
    }
    .hero-lead{
      font-size:18px;
      color:#4d5b53;
      max-width:720px;
      margin:0 0 24px;
    }
    .pain-line{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:16px 18px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      max-width:720px;
      color:#34443a;
    }
    .pain-line strong{color:var(--brand-dark)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .mini-trust{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .mini-trust span{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:8px 11px;
      border-radius:999px;
      background:rgba(255,255,255,.84);
      border:1px solid var(--line);
      color:#526258;
      font-size:13px;
      font-weight:750;
    }
    .lead-card{
      background:rgba(255,255,255,.94);
      border:1px solid rgba(220,233,225,.95);
      border-radius:var(--radius-lg);
      padding:22px;
      box-shadow:var(--shadow-strong);
    }
    .lead-card h2{
      margin:0 0 8px;
      font-size:22px;
      line-height:1.25;
      font-weight:950;
    }
    .lead-card p{margin:0 0 18px;color:var(--muted);font-size:14px}
    .form-row{display:grid;gap:12px;margin-bottom:12px}
    .field{
      width:100%;
      border:1px solid var(--line);
      background:#fafdxfb;
      border-radius:16px;
      padding:13px 14px;
      outline:none;
      transition:all .2s ease;
      color:var(--ink);
    }
    .field:focus{
      border-color:rgba(22,163,74,.72);
      box-shadow:0 0 0 4px rgba(34,197,94,.14);
      background:#fff;
    }
    .form-note{
      margin-top:12px;
      color:#748078;
      font-size:12px;
    }
    .screenshot-stage{
      margin-top:18px;
      border-radius:24px;
      overflow:hidden;
      border:1px solid var(--line);
      background:#effaf2;
      position:relative;
    }
    .screenshot-stage img{
      width:100%;
      height:210px;
      object-fit:cover;
    }
    .float-badge{
      position:absolute;
      left:14px;
      bottom:14px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(7,21,13,.82);
      color:#fff;
      font-size:13px;
      font-weight:850;
      backdrop-filter:blur(10px);
    }
    main{background:linear-gradient(180deg, rgba(255,255,255,.18), #fff 24%, #f7fbf8)}
    .section{padding:72px 0}
    .section-tight{padding:52px 0}
    .section-head{
      max-width:760px;
      margin-bottom:30px;
    }
    .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
    .kicker{
      display:inline-flex;
      margin-bottom:12px;
      color:var(--brand-dark);
      background:var(--brand-soft);
      border:1px solid rgba(22,163,74,.16);
      border-radius:999px;
      padding:7px 11px;
      font-size:13px;
      font-weight:850;
    }
    .section-title{
      margin:0;
      font-size:clamp(26px,3.2vw,42px);
      line-height:1.16;
      letter-spacing:-.035em;
      font-weight:950;
      color:#07150d;
    }
    .section-desc{
      margin:14px 0 0;
      color:var(--muted);
      font-size:16px;
    }
    .split{
      display:grid;
      grid-template-columns:.86fr 1.14fr;
      gap:28px;
      align-items:stretch;
    }
    .panel{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .panel-pad{padding:28px}
    .visual-card{
      min-height:100%;
      background:linear-gradient(160deg,#073018,#16a34a);
      color:#fff;
      position:relative;
      overflow:hidden;
    }
    .visual-card::after{
      content:"";
      position:absolute;
      inset:auto -60px -80px auto;
      width:260px;
      height:260px;
      border-radius:50%;
      background:rgba(255,255,255,.14);
    }
    .visual-card img{
      height:230px;
      width:100%;
      object-fit:cover;
      opacity:.74;
      mix-blend-mode:screen;
    }
    .visual-content{padding:26px;position:relative;z-index:1}
    .visual-content h3{font-size:28px;line-height:1.2;margin:0 0 12px;font-weight:950}
    .visual-content p{margin:0;color:rgba(255,255,255,.82)}
    .metric-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:14px;
      margin-top:22px;
    }
    .metric{
      border-radius:20px;
      padding:18px;
      background:rgba(255,255,255,.10);
      border:1px solid rgba(255,255,255,.18);
    }
    .metric b{display:block;font-size:26px;line-height:1;font-weight:950}
    .metric span{display:block;margin-top:8px;color:rgba(255,255,255,.78);font-size:13px}
    .data-board{
      display:grid;
      gap:14px;
    }
    .data-row{
      display:grid;
      grid-template-columns:140px 1fr auto;
      gap:16px;
      align-items:center;
      padding:16px;
      border-radius:20px;
      border:1px solid var(--line);
      background:#fbfffc;
      transition:all .22s ease;
    }
    .data-row:hover{
      transform:translateY(-2px);
      box-shadow:0 15px 34px rgba(10,40,24,.08);
      border-color:rgba(22,163,74,.30);
    }
    .data-row .label{font-weight:900;color:#18281f}
    .bar{
      height:10px;
      border-radius:999px;
      background:#e8f3ec;
      overflow:hidden;
    }
    .bar span{
      display:block;
      height:100%;
      border-radius:999px;
      background:linear-gradient(90deg,var(--brand),#86efac);
    }
    .tag{
      display:inline-flex;
      align-items:center;
      border-radius:999px;
      padding:6px 10px;
      font-size:12px;
      font-weight:850;
      background:var(--brand-soft);
      color:var(--brand-dark);
      white-space:nowrap;
    }
    .steps-wrap{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      align-items:start;
    }
    .steps{
      display:grid;
      gap:16px;
      counter-reset:step;
    }
    .step{
      counter-increment:step;
      display:grid;
      grid-template-columns:54px 1fr;
      gap:16px;
      padding:20px;
      border:1px solid var(--line);
      border-radius:24px;
      background:#fff;
      box-shadow:0 12px 30px rgba(10,40,24,.06);
      transition:all .22s ease;
    }
    .step:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .step-num{
      width:54px;
      height:54px;
      border-radius:18px;
      display:grid;
      place-items:center;
      color:#fff;
      font-weight:950;
      background:linear-gradient(135deg,var(--brand),#22c55e);
    }
    .step h3{margin:0 0 6px;font-size:18px;font-weight:950}
    .step p{margin:0;color:var(--muted);font-size:14px}
    .device{
      position:sticky;
      top:98px;
      padding:16px;
      border-radius:34px;
      background:#07150d;
      box-shadow:var(--shadow-strong);
    }
    .device-screen{
      background:#f8fff9;
      border-radius:24px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
    }
    .device-top{
      padding:16px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      border-bottom:1px solid var(--line);
      background:#fff;
    }
    .device-title{font-weight:950}
    .success{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--brand-dark);
      background:var(--brand-soft);
      border-radius:999px;
      padding:6px 9px;
      font-size:12px;
      font-weight:900;
    }
    .device-list{padding:16px;display:grid;gap:12px}
    .match-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:18px;
      padding:14px;
    }
    .match-item .teams{
      display:flex;
      justify-content:space-between;
      gap:12px;
      font-weight:900;
      margin-bottom:10px;
    }
    .match-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      color:#66736b;
      font-size:12px;
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .feature-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      padding:22px;
      box-shadow:0 12px 30px rgba(10,40,24,.05);
      transition:all .22s ease;
    }
    .feature-card:hover{
      transform:translateY(-4px);
      border-color:rgba(22,163,74,.32);
      box-shadow:var(--shadow);
    }
    .icon{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      background:var(--brand-soft);
      color:var(--brand-dark);
      font-weight:950;
      margin-bottom:14px;
    }
    .feature-card h3{margin:0 0 8px;font-size:18px;font-weight:950}
    .feature-card p{margin:0;color:var(--muted);font-size:14px}
    .case-layout{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .case-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .case-card img{height:220px;width:100%;object-fit:cover}
    .case-body{padding:24px}
    .case-body h3{margin:0 0 10px;font-size:22px;font-weight:950}
    .case-body p{margin:0;color:var(--muted)}
    .check-list{display:grid;gap:12px;margin-top:18px}
    .check-item{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#3a493f;
    }
    .checkmark{
      flex:0 0 22px;
      width:22px;
      height:22px;
      border-radius:50%;
      display:grid;
      place-items:center;
      color:#fff;
      background:var(--brand);
      font-size:13px;
      font-weight:950;
      margin-top:2px;
    }
    .compare{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:20px;
    }
    .compare-card{
      padding:24px;
      border-radius:var(--radius-lg);
      border:1px solid var(--line);
      background:#fff;
      box-shadow:0 12px 30px rgba(10,40,24,.05);
    }
    .compare-card.highlight{
      background:linear-gradient(180deg,#f4fff7,#fff);
      border-color:rgba(22,163,74,.28);
      box-shadow:var(--shadow);
    }
    .compare-card h3{margin:0 0 12px;font-size:22px;font-weight:950}
    .compare-card ul{margin:0;padding:0;list-style:none;display:grid;gap:10px;color:var(--muted)}
    .compare-card li{display:flex;gap:10px;align-items:flex-start}
    .compare-card li::before{
      content:"";
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--brand);
      margin-top:10px;
      flex:0 0 8px;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:.8fr 1.2fr;
      gap:28px;
      align-items:start;
    }
    .faq-list{display:grid;gap:14px}
    .faq-item{
      background:#fff;
      border:1px solid var(--line);
      border-radius:22px;
      padding:20px;
      box-shadow:0 10px 26px rgba(10,40,24,.05);
    }
    .faq-item h3{margin:0 0 8px;font-size:17px;font-weight:950}
    .faq-item p{margin:0;color:var(--muted);font-size:14px}
    .objection-box{
      border-radius:var(--radius-lg);
      padding:28px;
      background:#07150d;
      color:#fff;
      position:relative;
      overflow:hidden;
      box-shadow:var(--shadow-strong);
    }
    .objection-box::after{
      content:"";
      position:absolute;
      width:240px;
      height:240px;
      right:-80px;
      bottom:-80px;
      border-radius:50%;
      background:rgba(34,197,94,.22);
    }
    .objection-box h2{position:relative;z-index:1;margin:0 0 12px;font-size:30px;line-height:1.2;font-weight:950}
    .objection-box p{position:relative;z-index:1;margin:0;color:rgba(255,255,255,.74)}
    .cta{
      padding:0 0 76px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:38px;
      background:linear-gradient(135deg,#0b2a16,#16a34a);
      color:#fff;
      padding:42px;
      box-shadow:var(--shadow-strong);
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:28px;
      align-items:center;
    }
    .cta-box::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:linear-gradient(90deg,rgba(7,21,13,.72),rgba(22,163,74,.45)), url('/assets/images/backpic/back-3.webp');
      background-size:cover;
      background-position:center;
      opacity:.5;
    }
    .cta-content,.cta-panel{position:relative;z-index:1}
    .cta-content h2{margin:0 0 14px;font-size:clamp(28px,3.6vw,46px);line-height:1.13;font-weight:950;letter-spacing:-.035em}
    .cta-content p{margin:0;color:rgba(255,255,255,.80);font-size:16px}
    .cta-panel{
      background:rgba(255,255,255,.13);
      border:1px solid rgba(255,255,255,.22);
      border-radius:28px;
      padding:22px;
      backdrop-filter:blur(12px);
    }
    .cta-panel h3{margin:0 0 12px;font-size:20px;font-weight:950}
    .cta-panel .field{background:rgba(255,255,255,.92)}
    .site-footer{
      background:#07150d;
      color:rgba(255,255,255,.76);
      padding:56px 0 28px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr repeat(5,1fr);
      gap:26px;
      padding-bottom:34px;
      border-bottom:1px solid rgba(255,255,255,.12);
    }
    .footer-brand p{
      margin:16px 0 0;
      max-width:330px;
      color:rgba(255,255,255,.66);
      font-size:14px;
    }
    .footer-col h4{
      margin:0 0 14px;
      color:#fff;
      font-size:15px;
      font-weight:950;
    }
    .footer-col a{
      display:block;
      margin:9px 0;
      color:rgba(255,255,255,.66);
      font-size:14px;
      transition:all .2s ease;
    }
    .footer-col a:hover{color:#86efac;transform:translateX(3px)}
    .beian{
      padding-top:22px;
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
      align-items:center;
      color:rgba(255,255,255,.58);
      font-size:13px;
    }
    .beian a{color:rgba(255,255,255,.76)}
    .beian a:hover{color:#86efac}
    .text-white{color:#fff!important}
    @media (max-width:1024px){
      .nav-wrap{height:auto;min-height:72px;flex-wrap:wrap;padding:12px 0}
      .nav-links{order:3;width:100%;overflow-x:auto;justify-content:flex-start;border-radius:18px}
      .hero-grid,.split,.steps-wrap,.faq-grid,.cta-box{grid-template-columns:1fr}
      .device{position:relative;top:auto}
      .feature-grid{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:repeat(3,1fr)}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,var(--container))}
      .site-header .container{width:min(100% - 22px,var(--container))}
      .header-actions .status-pill{display:none}
      .menu-toggle{display:inline-grid;place-items:center}
      .nav-links{
        display:none;
        padding:10px;
        gap:8px;
        flex-direction:column;
        align-items:stretch;
      }
      .nav-links.open{display:flex}
      .nav-link{text-align:center}
      .hero{padding:42px 0 28px}
      .lead-card{padding:18px;border-radius:26px}
      .section{padding:54px 0}
      .section-tight{padding:42px 0}
      .data-row{grid-template-columns:1fr;gap:10px}
      .feature-grid,.case-layout,.compare{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:1fr 1fr}
      .cta-box{padding:28px;border-radius:28px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:520px){
      .brand-name{font-size:19px}
      .hero-actions .btn,.cta-panel .btn{width:100%}
      .pain-line{padding:14px}
      .step{grid-template-columns:1fr}
      .metric-grid{grid-template-columns:1fr}
      .device{padding:10px;border-radius:24px}
      .device-screen{border-radius:18px}
      .footer-grid{grid-template-columns:1fr}
      .beian{display:grid;gap:8px}
    }

/* roulang page: category4 */
:root{
      --brand:#16b86a;
      --brand-dark:#0b7f49;
      --brand-soft:#eefdf5;
      --success:#22c55e;
      --ink:#10221b;
      --muted:#66766f;
      --line:#e3ece7;
      --bg:#f7fbf8;
      --white:#ffffff;
      --warning:#ffb020;
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --shadow-soft:0 18px 60px rgba(8,38,26,.10);
      --shadow-card:0 14px 38px rgba(8,38,26,.08);
      --nav-height:76px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:
        radial-gradient(circle at 10% 0%, rgba(22,184,106,.12), transparent 34%),
        radial-gradient(circle at 90% 18%, rgba(34,197,94,.10), transparent 32%),
        var(--bg);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      line-height:1.65;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    ::selection{background:rgba(22,184,106,.22)}
    :focus-visible{outline:3px solid rgba(22,184,106,.38);outline-offset:3px;border-radius:12px}

    .container{width:min(1180px, calc(100% - 40px));margin-inline:auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      height:var(--nav-height);
      background:rgba(255,255,255,.86);
      border-bottom:1px solid rgba(227,236,231,.88);
      backdrop-filter:saturate(170%) blur(18px);
      transition:box-shadow .25s ease, background .25s ease;
    }
    .site-header.is-scrolled{box-shadow:0 12px 30px rgba(8,38,26,.08);background:rgba(255,255,255,.94)}
    .nav-wrap{height:var(--nav-height);display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{display:inline-flex;align-items:center;gap:10px;min-width:max-content}
    .brand-mark{
      width:40px;height:40px;border-radius:14px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,#17c975,#0b8c52);
      color:#fff;font-weight:900;font-size:20px;
      box-shadow:0 12px 28px rgba(22,184,106,.28);
    }
    .brand-name{font-weight:900;font-size:20px;letter-spacing:-.02em;color:var(--ink)}
    .nav-links{display:flex;align-items:center;justify-content:center;gap:6px}
    .nav-link{
      position:relative;
      padding:10px 13px;
      border-radius:999px;
      color:#385047;
      font-size:14px;
      font-weight:700;
      transition:background .22s ease,color .22s ease, transform .22s ease;
      white-space:nowrap;
    }
    .nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px)}
    .nav-link.active{background:#0e9f5c;color:#fff;box-shadow:0 10px 26px rgba(22,184,106,.22)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-badge{
      display:inline-flex;align-items:center;gap:7px;
      padding:8px 12px;border-radius:999px;
      border:1px solid rgba(22,184,106,.24);
      background:rgba(238,253,245,.82);
      color:#0b7f49;font-weight:800;font-size:13px;
    }
    .pulse-dot{width:8px;height:8px;border-radius:999px;background:#22c55e;box-shadow:0 0 0 6px rgba(34,197,94,.14)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:44px;padding:12px 18px;border-radius:999px;
      border:1px solid transparent;
      font-weight:850;line-height:1;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
      cursor:pointer;white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,#16b86a,#0d8e52);color:#fff;box-shadow:0 16px 34px rgba(22,184,106,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 48px rgba(22,184,106,.32)}
    .btn-secondary{background:#fff;color:#0c7747;border-color:#cfeadd;box-shadow:0 10px 24px rgba(8,38,26,.06)}
    .btn-secondary:hover{background:var(--brand-soft);border-color:#9ee7c1;transform:translateY(-2px)}
    .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.28);color:#fff}
    .btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
      background:#fff;color:var(--ink);align-items:center;justify-content:center;
    }
    .menu-toggle span,.menu-toggle span:before,.menu-toggle span:after{
      display:block;width:18px;height:2px;border-radius:3px;background:currentColor;content:"";transition:.22s ease;
    }
    .menu-toggle span:before{transform:translateY(-6px)}
    .menu-toggle span:after{transform:translateY(4px)}

    .hero{
      position:relative;
      padding:52px 0 34px;
      overflow:hidden;
    }
    .hero-bg{
      position:absolute;inset:0;
      background:
        linear-gradient(90deg, rgba(4,46,28,.90), rgba(7,88,51,.70), rgba(247,251,248,.12)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      clip-path:inset(0 0 18% 0 round 0 0 48px 48px);
      z-index:-2;
    }
    .hero:after{
      content:"";position:absolute;right:-12%;top:28px;width:420px;height:420px;border-radius:50%;
      background:radial-gradient(circle,rgba(34,197,94,.28),transparent 66%);
      z-index:-1;
    }
    .hero-panel{
      display:grid;grid-template-columns:minmax(0,1.04fr) minmax(360px,.82fr);
      gap:34px;align-items:center;
      min-height:560px;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:9px 13px;border-radius:999px;
      background:rgba(255,255,255,.16);
      border:1px solid rgba(255,255,255,.24);
      color:#ddfff0;font-weight:850;font-size:14px;
      backdrop-filter:blur(12px);
    }
    .hero h1{
      margin:22px 0 18px;
      max-width:760px;
      color:#fff;
      font-size:clamp(38px,5vw,68px);
      line-height:1.06;
      letter-spacing:-.055em;
      font-weight:950;
    }
    .hero-lead{
      max-width:690px;color:rgba(255,255,255,.88);
      font-size:18px;line-height:1.9;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
    .hero-notes{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;color:#e8fff3;font-size:14px}
    .hero-notes span{display:inline-flex;align-items:center;gap:7px}
    .check{
      width:18px;height:18px;border-radius:999px;background:#22c55e;color:#fff;
      display:inline-grid;place-items:center;font-size:12px;font-weight:900;
    }

    .screenshot-stage{
      position:relative;
      padding:18px;
      border-radius:34px;
      background:rgba(255,255,255,.18);
      border:1px solid rgba(255,255,255,.28);
      box-shadow:0 28px 90px rgba(0,0,0,.22);
      backdrop-filter:blur(18px);
    }
    .product-window{
      border-radius:26px;background:#fff;overflow:hidden;
      box-shadow:0 24px 70px rgba(0,0,0,.18);
      border:1px solid rgba(227,236,231,.9);
    }
    .window-top{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line);background:#fbfffc}
    .traffic{display:flex;gap:7px}
    .traffic i{width:10px;height:10px;border-radius:50%;display:block}
    .traffic i:nth-child(1){background:#ff6b6b}.traffic i:nth-child(2){background:#ffbe3d}.traffic i:nth-child(3){background:#22c55e}
    .window-status{font-size:12px;color:#0b7f49;font-weight:900;background:#eafff3;padding:5px 10px;border-radius:999px}
    .window-body{padding:18px}
    .score-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px;border-radius:18px;background:#f5fbf7;margin-bottom:12px;border:1px solid #e3f3eb}
    .score-row.hot{background:linear-gradient(135deg,#ecfff5,#ffffff);border-color:#b9efd2;box-shadow:0 12px 30px rgba(22,184,106,.12)}
    .team{display:flex;align-items:center;gap:10px;font-weight:900}
    .team-logo{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,#173c2b,#16b86a);display:grid;place-items:center;color:#fff}
    .score{font-size:22px;font-weight:950;color:#0b7f49}
    .mini-chart{height:94px;border-radius:18px;background:linear-gradient(180deg,#f1fff7,#fff);border:1px solid #e2f1e9;padding:14px;display:flex;align-items:end;gap:8px}
    .bar{flex:1;border-radius:999px;background:linear-gradient(180deg,#16b86a,#a7f3c8);min-height:24px}
    .bar:nth-child(2){height:70%}.bar:nth-child(3){height:42%}.bar:nth-child(4){height:88%}.bar:nth-child(5){height:56%}.bar:nth-child(6){height:78%}
    .float-card{
      position:absolute;right:-18px;bottom:28px;width:190px;
      border-radius:22px;background:#fff;border:1px solid #dcefe6;
      padding:16px;box-shadow:var(--shadow-soft);
    }
    .float-card strong{display:block;font-size:24px;color:#0b7f49;line-height:1.1}
    .float-card span{font-size:13px;color:var(--muted);font-weight:700}

    .section{padding:76px 0}
    .section.tight{padding:50px 0}
    .section-head{max-width:780px;margin-bottom:30px}
    .section-kicker{
      display:inline-flex;align-items:center;gap:8px;
      color:#0b7f49;background:#eafff3;border:1px solid #c5efd9;
      padding:7px 12px;border-radius:999px;font-weight:900;font-size:13px;
      margin-bottom:14px;
    }
    .section-title{
      margin:0;color:var(--ink);font-size:clamp(28px,3.2vw,44px);
      line-height:1.15;letter-spacing:-.04em;font-weight:950;
    }
    .section-desc{margin:14px 0 0;color:var(--muted);font-size:17px;line-height:1.9}
    .split{
      display:grid;grid-template-columns:minmax(0,.95fr) minmax(360px,1.05fr);
      gap:34px;align-items:center;
    }
    .feature-card{
      background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
      padding:24px;box-shadow:var(--shadow-card);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:#b9efd2}
    .feature-card h3{margin:12px 0 8px;font-size:20px;font-weight:950}
    .feature-card p{margin:0;color:var(--muted);line-height:1.85}
    .icon-box{
      width:48px;height:48px;border-radius:16px;
      background:linear-gradient(135deg,#eafff3,#d0f7e3);
      display:grid;place-items:center;color:#0b7f49;font-weight:950;
      border:1px solid #beeccd;
    }
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
    .media-card{
      position:relative;overflow:hidden;border-radius:30px;min-height:420px;
      background:#0b3f2a;box-shadow:var(--shadow-soft);
      border:1px solid rgba(255,255,255,.28);
    }
    .media-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.86}
    .media-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,63,42,.04),rgba(6,63,42,.88))}
    .media-content{position:absolute;left:24px;right:24px;bottom:24px;z-index:1;color:#fff}
    .media-content h3{font-size:26px;font-weight:950;line-height:1.18;margin:0 0 10px}
    .media-content p{margin:0;color:rgba(255,255,255,.84)}
    .steps-wrap{
      background:#fff;border:1px solid var(--line);border-radius:32px;
      padding:26px;box-shadow:var(--shadow-soft);
    }
    .step-item{
      display:grid;grid-template-columns:60px 1fr;gap:18px;
      padding:22px 0;border-bottom:1px dashed #d8e8df;
    }
    .step-item:last-child{border-bottom:0}
    .step-no{
      width:52px;height:52px;border-radius:18px;background:#0f9f5a;color:#fff;
      display:grid;place-items:center;font-size:18px;font-weight:950;box-shadow:0 14px 28px rgba(22,184,106,.22);
    }
    .step-item h3{margin:0 0 6px;font-weight:950;font-size:20px}
    .step-item p{margin:0;color:var(--muted)}
    .price-panel{
      background:#fff;border:1px solid var(--line);border-radius:32px;padding:28px;
      box-shadow:var(--shadow-soft);position:relative;overflow:hidden;
    }
    .price-panel:before{
      content:"";position:absolute;right:-80px;top:-80px;width:220px;height:220px;border-radius:50%;
      background:rgba(22,184,106,.10);
    }
    .price-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
    .price-title h3{margin:0;font-size:24px;font-weight:950}
    .tag{
      display:inline-flex;align-items:center;gap:6px;border-radius:999px;
      padding:7px 11px;background:#fff7e5;color:#9a6100;border:1px solid #ffe0a3;
      font-size:12px;font-weight:900;
    }
    .price{font-size:44px;font-weight:950;color:#0b7f49;letter-spacing:-.04em}
    .price small{font-size:15px;color:var(--muted);font-weight:800}
    .benefit-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
    .benefit-list li{display:flex;gap:10px;align-items:flex-start;color:#385047}
    .proof-strip{
      display:grid;grid-template-columns:1.1fr .9fr .9fr .9fr;
      gap:16px;align-items:stretch;
    }
    .proof-main{
      grid-row:span 2;
      background:linear-gradient(135deg,#063f2a,#0f9f5a);
      color:#fff;border-radius:30px;padding:28px;box-shadow:var(--shadow-soft);
    }
    .proof-main strong{display:block;font-size:46px;line-height:1;font-weight:950;margin:16px 0 8px}
    .proof-main p{color:rgba(255,255,255,.84);margin:0}
    .proof-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow-card)}
    .proof-card strong{display:block;font-size:30px;color:#0b7f49;font-weight:950}
    .proof-card span{color:var(--muted);font-weight:700}
    .scenario{
      display:grid;grid-template-columns:1fr 1fr;gap:20px;
      align-items:stretch;
    }
    .scenario-card{
      display:flex;gap:18px;align-items:flex-start;
      background:#fff;border:1px solid var(--line);border-radius:26px;padding:22px;box-shadow:var(--shadow-card);
    }
    .scenario-card img{width:128px;height:104px;border-radius:20px;object-fit:cover;flex:0 0 auto}
    .scenario-card h3{margin:0 0 8px;font-size:20px;font-weight:950}
    .scenario-card p{margin:0;color:var(--muted)}
    .objection-box{
      background:#fff;border:1px solid var(--line);border-radius:32px;padding:24px;
      box-shadow:var(--shadow-soft);
    }
    .objection-item{
      display:grid;grid-template-columns:36px 1fr;gap:14px;
      padding:18px 0;border-bottom:1px solid #edf3ef;
    }
    .objection-item:last-child{border-bottom:0}
    .objection-item b{display:grid;place-items:center;width:34px;height:34px;border-radius:12px;background:#eafff3;color:#0b7f49}
    .objection-item h3{margin:0 0 5px;font-size:18px;font-weight:950}
    .objection-item p{margin:0;color:var(--muted)}
    .download-band{
      display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px;
      background:#0b3f2a;border-radius:32px;padding:24px;
      box-shadow:var(--shadow-soft);color:#fff;
      position:relative;overflow:hidden;
    }
    .download-band:before{
      content:"";position:absolute;inset:auto -120px -160px auto;width:340px;height:340px;border-radius:50%;
      background:rgba(34,197,94,.20);
    }
    .download-card{
      position:relative;z-index:1;
      border:1px solid rgba(255,255,255,.14);border-radius:24px;
      padding:22px;background:rgba(255,255,255,.08);
      backdrop-filter:blur(12px);
    }
    .download-card h3{margin:0 0 8px;font-size:20px;font-weight:950}
    .download-card p{margin:0;color:rgba(255,255,255,.78)}
    .faq-wrap{display:grid;grid-template-columns:.88fr 1.12fr;gap:30px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 10px 26px rgba(8,38,26,.05)}
    .faq-question{
      width:100%;border:0;background:#fff;text-align:left;
      padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
      cursor:pointer;font-weight:950;color:var(--ink);
    }
    .faq-question:hover{background:#f7fbf8}
    .faq-question i{width:26px;height:26px;border-radius:999px;background:#eafff3;color:#0b7f49;display:grid;place-items:center;font-style:normal;flex:0 0 auto}
    .faq-answer{padding:0 22px 20px;color:var(--muted);display:none}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question i{background:#0f9f5a;color:#fff;transform:rotate(45deg)}
    .cta{
      padding:0 0 86px;
    }
    .cta-panel{
      position:relative;overflow:hidden;
      border-radius:36px;
      background:
        linear-gradient(120deg,rgba(6,63,42,.96),rgba(12,132,76,.88)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;padding:48px;
      box-shadow:0 30px 90px rgba(8,38,26,.22);
    }
    .cta-panel:after{
      content:"";position:absolute;right:-90px;top:-120px;width:320px;height:320px;border-radius:50%;
      background:rgba(255,255,255,.12);
    }
    .cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
    .cta h2{margin:0 0 12px;font-size:clamp(28px,3.4vw,46px);font-weight:950;letter-spacing:-.04em;line-height:1.12}
    .cta p{margin:0;color:rgba(255,255,255,.82);font-size:17px;max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .site-footer{background:#071f17;color:#c7d9d0;padding:54px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.35fr repeat(5,1fr);gap:26px;align-items:start}
    .footer-brand p{margin:16px 0 0;color:#9fb5ab;line-height:1.9}
    .footer-col h4{margin:0 0 14px;color:#fff;font-size:15px;font-weight:950}
    .footer-col a{display:block;color:#a9beb5;margin:9px 0;font-size:14px;transition:color .2s ease,transform .2s ease}
    .footer-col a:hover{color:#fff;transform:translateX(2px)}
    .beian{
      margin-top:34px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
      display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;
      color:#93aaa0;font-size:13px;
    }
    .beian a{color:#d7f9e7}
    .beian a:hover{color:#fff}

    @media (max-width: 1024px){
      .nav-badge{display:none}
      .nav-link{padding:9px 10px}
      .hero-panel,.split,.faq-wrap{grid-template-columns:1fr}
      .hero-panel{min-height:auto;padding:30px 0 80px}
      .screenshot-stage{max-width:620px}
      .proof-strip{grid-template-columns:1fr 1fr}
      .proof-main{grid-row:auto}
      .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
      .download-band{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      :root{--nav-height:68px}
      .container{width:min(100% - 28px, 1180px)}
      .menu-toggle{display:flex}
      .nav-links{
        position:absolute;left:14px;right:14px;top:76px;
        display:none;flex-direction:column;align-items:stretch;gap:8px;
        padding:14px;border:1px solid var(--line);border-radius:22px;
        background:#fff;box-shadow:var(--shadow-soft);
      }
      .nav-links.open{display:flex}
      .nav-link{width:100%;padding:13px 14px}
      .nav-actions .btn{display:none}
      .hero{padding-top:24px}
      .hero-bg{clip-path:inset(0 0 10% 0 round 0 0 32px 32px)}
      .hero h1{font-size:40px}
      .hero-lead{font-size:16px}
      .float-card{position:static;width:auto;margin-top:14px}
      .grid-3,.grid-2,.scenario{grid-template-columns:1fr}
      .scenario-card{flex-direction:column}
      .scenario-card img{width:100%;height:180px}
      .proof-strip{grid-template-columns:1fr}
      .cta-inner{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
      .cta-panel{padding:32px 22px;border-radius:28px}
      .section{padding:56px 0}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 520px){
      .brand-name{font-size:18px}
      .brand-mark{width:36px;height:36px;border-radius:12px}
      .hero h1{font-size:34px}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .screenshot-stage{padding:10px;border-radius:24px}
      .product-window{border-radius:20px}
      .score-row{align-items:flex-start;flex-direction:column}
      .step-item{grid-template-columns:1fr}
      .price{font-size:36px}
      .footer-grid{grid-template-columns:1fr}
      .beian{font-size:12px}
    }

/* roulang page: category5 */
:root{
      --brand:#10b981;
      --brand-dark:#047857;
      --brand-soft:#ecfdf5;
      --accent:#22c55e;
      --ink:#10231c;
      --muted:#5d7069;
      --weak:#8aa099;
      --line:#dce9e4;
      --paper:#ffffff;
      --bg:#f7fbf9;
      --dark:#071b15;
      --radius-sm:12px;
      --radius:22px;
      --radius-lg:32px;
      --shadow:0 18px 50px rgba(15,118,110,.12);
      --shadow-hover:0 28px 80px rgba(15,118,110,.18);
      --nav-h:78px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 8% 2%, rgba(16,185,129,.12), transparent 28%),
        radial-gradient(circle at 92% 8%, rgba(34,197,94,.10), transparent 30%),
        var(--bg);
      line-height:1.75;
      min-width:320px;
    }
    a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border .2s ease,transform .2s ease,box-shadow .2s ease}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(16,185,129,.22)}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .skip-link{position:absolute;left:-999px;top:8px;background:var(--dark);color:#fff;padding:10px 14px;border-radius:12px;z-index:100}
    .skip-link:focus{left:12px}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(255,255,255,.88);
      backdrop-filter:saturate(160%) blur(18px);
      border-bottom:1px solid rgba(220,233,228,.9);
    }
    .nav-wrap{
      height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:10px;
      flex:0 0 auto;
      font-weight:900;
      letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;
      height:42px;
      display:grid;
      place-items:center;
      border-radius:15px;
      color:#fff;
      font-weight:950;
      font-size:22px;
      background:linear-gradient(135deg,#10b981,#047857);
      box-shadow:0 12px 28px rgba(16,185,129,.28);
    }
    .brand-name{font-size:22px;color:var(--ink)}
    .nav-links{
      display:flex;
      align-items:center;
      gap:6px;
      padding:7px;
      border:1px solid rgba(220,233,228,.92);
      background:rgba(247,251,249,.72);
      border-radius:999px;
      overflow:auto;
      scrollbar-width:none;
    }
    .nav-links::-webkit-scrollbar{display:none}
    .nav-link{
      white-space:nowrap;
      padding:9px 14px;
      border-radius:999px;
      color:#4d625b;
      font-size:14px;
      font-weight:800;
    }
    .nav-link:hover{background:#fff;color:var(--brand-dark);box-shadow:0 8px 18px rgba(16,185,129,.10)}
    .nav-link.active{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(16,185,129,.28)}
    .nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 13px;
      border-radius:999px;
      background:#f0fdf4;
      color:#047857;
      border:1px solid #bbf7d0;
      font-size:13px;
      font-weight:900;
      white-space:nowrap;
    }
    .status-dot{width:8px;height:8px;border-radius:999px;background:#22c55e;box-shadow:0 0 0 5px rgba(34,197,94,.12)}
    .menu-toggle{
      display:none;
      width:42px;
      height:42px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
      color:var(--ink);
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:900;
      line-height:1;
      transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border .2s ease,color .2s ease;
    }
    .btn:focus-visible,.nav-link:focus-visible,.form-input:focus-visible,.faq-trigger:focus-visible{
      outline:3px solid rgba(16,185,129,.28);
      outline-offset:3px;
    }
    .btn-primary{background:linear-gradient(135deg,#10b981,#059669);color:#fff;box-shadow:0 16px 32px rgba(16,185,129,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 44px rgba(16,185,129,.30)}
    .btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn-outline:hover{border-color:#86efac;color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow)}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border-radius:999px;
      font-size:13px;
      font-weight:900;
      border:1px solid rgba(16,185,129,.18);
      background:var(--brand-soft);
      color:var(--brand-dark);
    }
    .section{padding:86px 0}
    .section-tight{padding:58px 0}
    .eyebrow{font-size:14px;font-weight:950;color:var(--brand-dark);letter-spacing:.08em}
    .title{font-size:clamp(30px,4vw,48px);line-height:1.15;font-weight:950;letter-spacing:-.04em}
    .lead{font-size:18px;color:var(--muted);max-width:760px}
    .card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(220,233,228,.95);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(16,185,129,.30)}
    .hero{
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.90) 54%, rgba(236,253,245,.70) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(220,233,228,.92);
    }
    .hero:before{
      content:"";
      position:absolute;
      inset:auto -8% -22% auto;
      width:460px;
      height:460px;
      border-radius:999px;
      background:rgba(16,185,129,.10);
      filter:blur(4px);
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.02fr .98fr;
      gap:34px;
      align-items:center;
      padding:74px 0 72px;
    }
    .hero h1{
      margin:18px 0 18px;
      font-size:clamp(38px,5.6vw,68px);
      line-height:1.04;
      font-weight:950;
      letter-spacing:-.055em;
    }
    .hero-desc{font-size:19px;color:#4c635c;max-width:680px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
    .trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
    .trust-item{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(220,233,228,.9);
      color:#39524a;
      font-weight:800;
      font-size:13px;
    }
    .download-stage{
      display:grid;
      grid-template-columns:.82fr 1fr;
      gap:18px;
      padding:18px;
      border-radius:32px;
      background:rgba(255,255,255,.78);
      border:1px solid rgba(220,233,228,.96);
      box-shadow:0 26px 80px rgba(15,118,110,.16);
      backdrop-filter:blur(14px);
    }
    .cover-card{
      min-height:420px;
      border-radius:24px;
      padding:22px;
      background:
        linear-gradient(180deg, rgba(6,78,59,.10), rgba(255,255,255,.18)),
        url('/assets/images/coverpic/cover-12.webp') center/cover no-repeat;
      position:relative;
      overflow:hidden;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      color:#fff;
    }
    .cover-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,46,22,.10),rgba(5,46,22,.70));}
    .cover-card>*{position:relative;z-index:1}
    .cover-label{align-self:flex-start;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);backdrop-filter:blur(8px);padding:8px 11px;border-radius:999px;font-weight:900;font-size:13px}
    .cover-title{font-size:30px;font-weight:950;line-height:1.12;letter-spacing:-.03em}
    .toc-panel{display:flex;flex-direction:column;gap:14px}
    .toc-box,.form-box{
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      padding:22px;
    }
    .toc-list{display:grid;gap:10px;margin-top:14px}
    .toc-item{display:flex;gap:10px;align-items:flex-start;color:#4a615a;font-weight:800}
    .toc-num{width:24px;height:24px;display:grid;place-items:center;border-radius:9px;background:#ecfdf5;color:#047857;font-size:12px;font-weight:950;flex:0 0 auto}
    .form-grid{display:grid;gap:10px;margin-top:14px}
    .form-input{
      width:100%;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fbfefc;
      padding:12px 14px;
      color:var(--ink);
      transition:border .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .form-input:focus{border-color:#34d399;background:#fff;box-shadow:0 0 0 4px rgba(16,185,129,.10)}
    .form-note{font-size:12px;color:#70877f}
    .stat-strip{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      margin-top:-34px;
      position:relative;
      z-index:2;
    }
    .stat{
      padding:22px;
      border-radius:22px;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
    }
    .stat strong{display:block;font-size:30px;line-height:1;font-weight:950;color:var(--brand-dark);letter-spacing:-.03em}
    .stat span{display:block;margin-top:8px;color:#60756e;font-size:14px;font-weight:800}
    .split{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:32px;
      align-items:center;
    }
    .media-frame{
      position:relative;
      border-radius:32px;
      overflow:hidden;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      background:#fff;
    }
    .media-frame img{width:100%;height:100%;object-fit:cover;min-height:360px}
    .floating-ok{
      position:absolute;
      left:22px;
      bottom:22px;
      right:22px;
      padding:16px;
      border-radius:20px;
      background:rgba(255,255,255,.9);
      border:1px solid rgba(220,233,228,.95);
      backdrop-filter:blur(14px);
      display:flex;
      gap:12px;
      align-items:center;
    }
    .ok-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:15px;background:#dcfce7;color:#047857;font-weight:950;font-size:20px}
    .feature-list{display:grid;gap:14px;margin-top:24px}
    .feature-item{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:17px;
      border-radius:20px;
      background:#fff;
      border:1px solid var(--line);
    }
    .feature-icon{
      width:42px;height:42px;border-radius:15px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,#dcfce7,#bbf7d0);
      color:#047857;font-weight:950;flex:0 0 auto;
    }
    .steps-wrap{
      display:grid;
      grid-template-columns:1fr 1fr 1fr;
      gap:18px;
      margin-top:30px;
    }
    .step-card{padding:24px;position:relative;overflow:hidden}
    .step-card:before{
      content:attr(data-step);
      position:absolute;
      right:18px;
      top:12px;
      font-size:58px;
      line-height:1;
      color:rgba(16,185,129,.10);
      font-weight:950;
    }
    .step-card h3,.proof-card h3,.scenario h3{font-size:20px;font-weight:950;margin:14px 0 8px}
    .step-chip{width:48px;height:48px;display:grid;place-items:center;border-radius:18px;background:#ecfdf5;color:#047857;font-weight:950}
    .proof-area{
      background:#061b15;
      color:#fff;
      border-radius:36px;
      padding:42px;
      position:relative;
      overflow:hidden;
    }
    .proof-area:before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg,rgba(6,27,21,.92),rgba(6,27,21,.74)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      opacity:.9;
    }
    .proof-area>*{position:relative;z-index:1}
    .proof-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;margin-top:28px}
    .proof-card{padding:22px;border-radius:24px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(12px)}
    .proof-card p{color:#d6eee6}
    .scenario-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;margin-top:28px}
    .scenario-list{display:grid;gap:14px}
    .scenario{padding:22px}
    .success-board{
      border-radius:30px;
      background:linear-gradient(135deg,#ecfdf5,#ffffff);
      border:1px solid var(--line);
      padding:26px;
      box-shadow:var(--shadow);
    }
    .mini-screen{
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      padding:18px;
      margin-top:16px;
    }
    .score-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 0;
      border-bottom:1px dashed #dce9e4;
      font-weight:900;
    }
    .score-line:last-child{border-bottom:none}
    .score-badge{padding:5px 9px;border-radius:999px;background:#dcfce7;color:#047857;font-size:12px}
    .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px}
    .compare-card{padding:24px}
    .compare-card ul{display:grid;gap:12px;margin-top:18px;padding:0;list-style:none}
    .compare-card li{display:flex;gap:10px;color:#536960}
    .check{color:#047857;font-weight:950}
    .faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:28px;align-items:start}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden}
    .faq-trigger{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:16px;
      padding:18px 20px;
      border:0;
      background:#fff;
      color:var(--ink);
      text-align:left;
      font-weight:950;
    }
    .faq-trigger span:last-child{width:28px;height:28px;border-radius:10px;background:#ecfdf5;color:#047857;display:grid;place-items:center;flex:0 0 auto}
    .faq-panel{display:none;padding:0 20px 18px;color:#5b7169}
    .faq-item.open .faq-panel{display:block}
    .faq-item.open .faq-trigger span:last-child{transform:rotate(45deg)}
    .cta{
      border-radius:38px;
      padding:44px;
      background:
        linear-gradient(135deg,rgba(4,120,87,.96),rgba(16,185,129,.92)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color:#fff;
      overflow:hidden;
      position:relative;
    }
    .cta:after{content:"";position:absolute;right:-80px;bottom:-120px;width:280px;height:280px;border-radius:999px;background:rgba(255,255,255,.16)}
    .cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
    .cta p{color:#e9fff5}
    .site-footer{
      background:#061b15;
      color:#d7e8e2;
      padding:58px 0 26px;
      margin-top:40px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr repeat(5,1fr);
      gap:26px;
      align-items:start;
    }
    .footer-brand p{margin-top:16px;color:#a8beb6;font-size:14px;max-width:330px}
    .footer-col h4{color:#fff;font-weight:950;margin:0 0 14px}
    .footer-col a{display:block;color:#a8beb6;font-size:14px;margin:9px 0}
    .footer-col a:hover{color:#86efac;transform:translateX(2px)}
    .beian{
      margin-top:36px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.12);
      display:flex;
      flex-wrap:wrap;
      gap:10px 14px;
      color:#94aaa2;
      font-size:13px;
    }
    .beian a:hover{color:#86efac}
    @media (max-width:1024px){
      .nav-wrap{height:auto;min-height:76px;flex-wrap:wrap;padding:14px 0}
      .nav-links{order:3;width:100%;justify-content:flex-start}
      .hero-grid,.split,.scenario-grid,.faq-wrap{grid-template-columns:1fr}
      .download-stage{grid-template-columns:1fr}
      .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:22px}
      .proof-grid,.steps-wrap{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:repeat(3,1fr)}
      .footer-brand{grid-column:1/-1}
      .cta-grid{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px,1180px)}
      .site-header{position:sticky}
      .menu-toggle{display:grid;place-items:center}
      .nav-actions .status-pill{display:none}
      .nav-links{
        display:none;
        border-radius:22px;
        padding:10px;
        background:#fff;
      }
      .nav-links.open{display:grid;grid-template-columns:1fr 1fr}
      .nav-link{text-align:center}
      .hero-grid{padding:48px 0}
      .section{padding:62px 0}
      .section-tight{padding:42px 0}
      .cover-card{min-height:340px}
      .compare-grid{grid-template-columns:1fr}
      .proof-area,.cta{border-radius:28px;padding:28px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:520px){
      .brand-name{font-size:19px}
      .brand-mark{width:38px;height:38px}
      .nav-actions .btn{display:none}
      .nav-links.open{grid-template-columns:1fr}
      .hero h1{font-size:38px}
      .hero-desc,.lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .download-stage{padding:12px;border-radius:24px}
      .toc-box,.form-box{padding:18px}
      .stat-strip{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .cta .btn{width:100%}
    }