/* roulang page: index */
:root{
      --lime:#A6F04D;
      --lime-2:#C7FF7A;
      --green:#31C6A4;
      --ink:#151816;
      --ink-2:#20251F;
      --muted:#63705F;
      --soft:#F6F8F3;
      --soft-2:#EEF3EA;
      --line:#DDE6D5;
      --orange:#FFB23F;
      --white:#FFFFFF;
      --shadow:0 18px 50px rgba(21,24,22,.08);
      --shadow-hover:0 24px 70px rgba(21,24,22,.13);
      --radius-xl:36px;
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --container:1200px;
      --ease:all .28s cubic-bezier(.2,.7,.2,1);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      background:
        radial-gradient(circle at 8% 8%, rgba(166,240,77,.28), transparent 28%),
        radial-gradient(circle at 92% 2%, rgba(49,198,164,.18), transparent 25%),
        var(--soft);
      color:var(--ink);
      line-height:1.75;
      font-size:16px;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;background:none;cursor:pointer}
    ::selection{background:var(--lime);color:var(--ink)}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .skip-link{position:absolute;left:-999px;top:10px;background:var(--lime);color:var(--ink);padding:10px 14px;border-radius:12px;z-index:1000}
    .skip-link:focus{left:16px}
    .site-header{
      position:sticky;top:0;z-index:999;
      background:rgba(246,248,243,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(21,24,22,.07);
      transition:var(--ease);
    }
    .site-header.is-scrolled{background:rgba(246,248,243,.96);box-shadow:0 12px 35px rgba(21,24,22,.08)}
    .nav-wrap{height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}
    .brand{display:flex;align-items:center;gap:12px;min-width:max-content}
    .brand-mark{
      width:46px;height:46px;border-radius:16px;
      background:linear-gradient(135deg,var(--lime),var(--green));
      display:grid;place-items:center;color:var(--ink);font-weight:900;font-size:22px;
      box-shadow:0 12px 28px rgba(166,240,77,.38);
      position:relative;overflow:hidden;
    }
    .brand-mark:after{
      content:"";position:absolute;width:30px;height:12px;border:2px solid rgba(21,24,22,.38);
      border-left:0;border-bottom:0;border-radius:0 20px 0 0;right:7px;top:12px;transform:rotate(8deg)
    }
    .brand-name{display:flex;flex-direction:column;line-height:1.25}
    .brand-name strong{font-size:18px;letter-spacing:.2px}
    .brand-name span{font-size:12px;color:var(--muted);font-weight:600}
    .nav-menu{display:flex;align-items:center;gap:8px}
    .nav-menu a{
      padding:10px 14px;border-radius:999px;color:#364032;font-weight:700;font-size:14px;
      transition:var(--ease);position:relative;
    }
    .nav-menu a:hover,.nav-menu a:focus{background:rgba(166,240,77,.22);outline:none}
    .nav-menu a.active{background:var(--ink);color:var(--lime)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .event-badge{
      display:inline-flex;align-items:center;gap:7px;
      padding:9px 12px;border-radius:999px;background:#FFF5E2;color:#7A4A00;
      border:1px solid rgba(255,178,63,.35);font-size:13px;font-weight:800;white-space:nowrap;
    }
    .pulse{width:8px;height:8px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px rgba(255,178,63,.18)}
    .countdown{
      padding:9px 12px;border-radius:999px;background:var(--white);
      border:1px solid var(--line);font-size:13px;font-weight:800;color:var(--ink-2);white-space:nowrap;
    }
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 20px;border-radius:999px;
      font-weight:800;line-height:1.2;transition:var(--ease);
      border:1px solid transparent;white-space:nowrap;
    }
    .btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 12px 28px rgba(166,240,77,.34)}
    .btn-primary:hover,.btn-primary:focus{background:var(--lime-2);transform:translateY(-2px);box-shadow:0 18px 38px rgba(166,240,77,.46);outline:none}
    .btn-primary:active,.btn-secondary:active{transform:translateY(0)}
    .btn-secondary{background:rgba(255,255,255,.72);border-color:var(--line);color:var(--ink)}
    .btn-secondary:hover,.btn-secondary:focus{border-color:var(--lime);background:rgba(166,240,77,.14);transform:translateY(-2px);outline:none}
    .menu-toggle{
      display:none;width:46px;height:46px;border-radius:15px;background:var(--ink);color:var(--lime);
      align-items:center;justify-content:center;font-weight:900;font-size:22px;
    }
    main{overflow:hidden}
    .hero{position:relative;padding:72px 0 54px}
    .hero:before{
      content:"";position:absolute;inset:0;z-index:-2;
      background-image:linear-gradient(90deg,rgba(246,248,243,.96),rgba(246,248,243,.72)),url('/assets/images/backpic/back-1.webp');
      background-size:cover;background-position:center;
      opacity:.95;
    }
    .hero:after{
      content:"";position:absolute;right:-130px;top:120px;width:360px;height:360px;border-radius:50%;
      background:radial-gradient(circle,rgba(166,240,77,.32),transparent 62%);z-index:-1;
    }
    .hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:50px;align-items:center}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:rgba(255,255,255,.78);border:1px solid var(--line);
      color:#3D4939;font-size:14px;font-weight:800;margin-bottom:20px;
    }
    .status-dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(49,198,164,.14)}
    h1{
      font-size:clamp(38px,5vw,62px);line-height:1.1;letter-spacing:-1.6px;
      font-weight:900;margin-bottom:22px;color:var(--ink);
    }
    .hero-lead{font-size:18px;color:#44513F;max-width:690px;margin-bottom:28px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
    .trust-row{display:flex;flex-wrap:wrap;gap:10px}
    .trust-item,.tag{
      display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border-radius:999px;
      background:rgba(238,243,234,.88);border:1px solid rgba(221,230,213,.9);
      color:#44513F;font-size:13px;font-weight:800;
    }
    .hero-visual{position:relative;min-height:560px}
    .device-card{
      position:absolute;right:34px;top:0;width:min(390px,90%);
      border-radius:34px;background:var(--ink);padding:16px;
      box-shadow:0 32px 90px rgba(21,24,22,.28);transform:rotate(2deg);
    }
    .phone-screen{
      min-height:500px;border-radius:26px;background:linear-gradient(180deg,#F9FBF5,#EAF2E3);
      padding:18px;overflow:hidden;border:1px solid rgba(255,255,255,.22);
    }
    .screen-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
    .screen-pill{width:88px;height:10px;border-radius:999px;background:#D9E4D0}
    .screen-k{width:34px;height:34px;border-radius:12px;background:var(--lime);display:grid;place-items:center;font-weight:900}
    .screen-hero{
      border-radius:22px;padding:18px;background:linear-gradient(135deg,var(--lime),#DDFEBA);
      margin-bottom:14px;position:relative;overflow:hidden;
    }
    .screen-hero strong{display:block;font-size:24px;line-height:1.2;margin-bottom:8px}
    .screen-hero p{font-size:13px;color:#344130;line-height:1.55}
    .metric-list{display:grid;gap:10px}
    .metric{
      display:flex;align-items:center;justify-content:space-between;gap:10px;
      background:rgba(255,255,255,.82);border:1px solid var(--line);
      border-radius:18px;padding:13px;
    }
    .metric span{font-size:13px;color:var(--muted);font-weight:700}
    .metric b{font-size:15px;color:var(--ink)}
    .floating-panel{
      position:absolute;left:0;bottom:42px;width:280px;border-radius:28px;
      background:rgba(255,255,255,.92);border:1px solid rgba(221,230,213,.9);
      box-shadow:var(--shadow);padding:20px;
    }
    .panel-title{font-weight:900;margin-bottom:12px}
    .bar{height:10px;border-radius:999px;background:#E6EDDF;overflow:hidden;margin:12px 0}
    .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--green),var(--lime))}
    .mini-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}
    .mini-stat{border-radius:16px;background:var(--soft-2);padding:12px}
    .mini-stat b{display:block;font-size:20px;line-height:1.1}
    .mini-stat span{font-size:12px;color:var(--muted);font-weight:700}
    .section{padding:92px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}
    .section-kicker{color:#4E5B49;font-weight:900;margin-bottom:8px}
    h2{font-size:clamp(28px,3.6vw,42px);line-height:1.18;letter-spacing:-.8px;font-weight:900}
    .section-desc{max-width:520px;color:var(--muted);font-size:17px}
    .bento{
      display:grid;grid-template-columns:1.15fr .85fr .85fr;grid-auto-rows:minmax(230px,auto);gap:18px;
    }
    .card{
      background:rgba(255,255,255,.78);border:1px solid rgba(221,230,213,.95);
      border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:24px;transition:var(--ease);
      position:relative;overflow:hidden;
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
    .feature-large{grid-row:span 2;background:linear-gradient(180deg,rgba(255,255,255,.88),rgba(238,243,234,.78))}
    .feature-large img{height:230px;width:100%;object-fit:cover;border-radius:24px;margin:18px 0;border:1px solid var(--line)}
    .icon{
      width:42px;height:42px;border-radius:15px;background:var(--ink);color:var(--lime);
      display:grid;place-items:center;font-weight:900;margin-bottom:16px;
    }
    .card h3{font-size:22px;line-height:1.25;margin-bottom:10px;font-weight:900}
    .card p{color:var(--muted);line-height:1.72}
    .card-link{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-weight:900;color:var(--ink)}
    .card-link:after{content:"→";transition:var(--ease)}
    .card-link:hover:after{transform:translateX(4px)}
    .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
    .category-strip{
      margin-top:26px;border-radius:var(--radius-xl);
      background:var(--ink);color:#E9F2E3;padding:28px;display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;
    }
    .category-strip h3{font-size:24px;margin-bottom:6px;color:var(--white)}
    .category-strip p{color:#BFCBBC}
    .scenes{background:var(--ink);color:var(--white);position:relative}
    .scenes:before{
      content:"";position:absolute;inset:0;background:
      radial-gradient(circle at 12% 20%,rgba(166,240,77,.2),transparent 28%),
      radial-gradient(circle at 88% 80%,rgba(49,198,164,.16),transparent 24%);
      pointer-events:none;
    }
    .scenes .container{position:relative}
    .scenes .section-desc,.scenes .section-kicker{color:#C8D4C3}
    .timeline{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start}
    .scene-image{
      position:sticky;top:112px;border-radius:var(--radius-xl);overflow:hidden;border:1px solid rgba(255,255,255,.12);
      box-shadow:0 28px 80px rgba(0,0,0,.28);
    }
    .scene-image img{width:100%;height:560px;object-fit:cover}
    .scene-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(21,24,22,.42))}
    .steps{display:grid;gap:16px}
    .step{
      display:grid;grid-template-columns:68px 1fr;gap:18px;align-items:start;
      padding:22px;border-radius:28px;background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);transition:var(--ease);
    }
    .step:hover{background:rgba(255,255,255,.09);transform:translateX(4px)}
    .step-num{
      width:54px;height:54px;border-radius:20px;background:var(--lime);color:var(--ink);
      display:grid;place-items:center;font-weight:900;font-size:18px;
    }
    .step h3{font-size:22px;margin-bottom:6px}
    .step p{color:#C8D4C3}
    .cases-grid{display:grid;gap:18px}
    .case-card{
      display:grid;grid-template-columns:1fr 330px;gap:24px;align-items:center;
      border-radius:var(--radius-xl);background:linear-gradient(135deg,#F4FAEE,#E6F2DE);
      border:1px solid var(--line);box-shadow:var(--shadow);padding:28px;overflow:hidden;
    }
    .case-card:nth-child(2){background:linear-gradient(135deg,#F7F8F3,#E7F4EE)}
    .case-meta{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
    .case-card img{width:100%;height:220px;object-fit:cover;border-radius:26px;border:1px solid rgba(21,24,22,.08)}
    .quote{
      border-left:4px solid var(--lime);padding-left:14px;color:#4A5745;font-weight:700;margin-top:14px;
    }
    .pricing{background:linear-gradient(180deg,var(--soft),var(--soft-2))}
    .price-grid{display:grid;grid-template-columns:1fr 1.08fr 1fr;gap:18px;align-items:stretch}
    .price-card{
      border-radius:30px;background:rgba(255,255,255,.84);border:1px solid var(--line);
      padding:26px;box-shadow:var(--shadow);position:relative;transition:var(--ease);
    }
    .price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
    .price-card.featured{transform:translateY(-14px);border-color:rgba(166,240,77,.95);box-shadow:0 24px 70px rgba(166,240,77,.18)}
    .price-card.featured:hover{transform:translateY(-18px)}
    .recommend{
      position:absolute;right:22px;top:18px;background:var(--lime);color:var(--ink);
      border-radius:999px;padding:7px 11px;font-size:12px;font-weight:900;
    }
    .price-name{font-size:24px;font-weight:900;margin-bottom:8px}
    .price-value{font-size:20px;font-weight:900;margin:18px 0;color:#2F3B2B}
    .check-list{display:grid;gap:11px;margin:18px 0 24px;list-style:none}
    .check-list li{display:flex;gap:10px;color:#4A5745}
    .check-list li:before{content:"✓";width:22px;height:22px;border-radius:50%;background:rgba(166,240,77,.35);display:inline-grid;place-items:center;color:#1C2618;font-weight:900;flex:0 0 22px;margin-top:3px}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:34px;align-items:start}
    .faq-note{
      border-radius:var(--radius-xl);background:var(--ink);color:var(--white);padding:30px;position:sticky;top:112px;
    }
    .faq-note p{color:#C8D4C3;margin-top:12px}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:24px;
      overflow:hidden;box-shadow:0 10px 28px rgba(21,24,22,.05);
    }
    .faq-question{
      width:100%;min-height:60px;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:18px;
      color:var(--ink);font-weight:900;text-align:left;
    }
    .faq-question span:last-child{
      width:28px;height:28px;border-radius:50%;background:var(--soft-2);display:grid;place-items:center;transition:var(--ease);flex:0 0 28px;
    }
    .faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}
    .faq-answer p{padding:0 22px 20px;color:var(--muted)}
    .faq-item.open .faq-question{color:#11150F}
    .faq-item.open .faq-question span:last-child{background:var(--lime);transform:rotate(45deg)}
    .cta-block{
      border-radius:40px;background:
      radial-gradient(circle at 85% 18%,rgba(166,240,77,.28),transparent 24%),
      linear-gradient(135deg,var(--ink),#242B20);
      color:var(--white);padding:52px;position:relative;overflow:hidden;
      display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
    }
    .cta-block:before{
      content:"";position:absolute;left:-70px;bottom:-90px;width:260px;height:260px;border:1px solid rgba(166,240,77,.24);
      border-radius:50%;
    }
    .cta-block>*{position:relative}
    .cta-block h2{max-width:760px}
    .cta-block p{color:#C8D4C3;margin-top:12px;max-width:720px}
    .cta-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
    .cta-tags .tag{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12);color:#EAF3E3}
    .footer{
      background:var(--ink);color:#DDE8D7;padding:58px 0 26px;margin-top:20px;
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:34px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
    .footer .brand-mark{box-shadow:none}
    .footer p{color:#B8C5B2;margin-top:14px}
    .footer h3{font-size:16px;color:var(--white);margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:#C8D4C3;transition:var(--ease)}
    .footer-links a:hover,.footer-links a:focus{color:var(--lime);outline:none;transform:translateX(3px)}
    .domain-box{
      border-radius:22px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
      padding:16px;color:#EAF3E3;font-weight:800;word-break:break-all;
    }
    .copyright{padding-top:22px;color:#AAB7A5;font-size:14px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
    @media (max-width:1100px){
      .nav-actions .countdown{display:none}
      .nav-menu a{padding:9px 10px}
      .hero-grid{grid-template-columns:1fr;gap:34px}
      .hero-visual{min-height:520px}
      .device-card{right:8%}
      .floating-panel{left:8%}
      .bento{grid-template-columns:1fr 1fr}
      .feature-large{grid-row:auto;grid-column:span 2}
      .timeline{grid-template-columns:1fr}
      .scene-image{position:relative;top:0}
      .scene-image img{height:360px}
    }
    @media (max-width:900px){
      .container{width:min(100% - 40px,var(--container))}
      .nav-wrap{height:70px}
      .menu-toggle{display:flex}
      .nav-menu{
        position:absolute;left:20px;right:20px;top:78px;
        display:none;flex-direction:column;align-items:stretch;gap:8px;
        background:rgba(246,248,243,.98);border:1px solid var(--line);
        border-radius:24px;padding:16px;box-shadow:var(--shadow);
      }
      .nav-menu.open{display:flex}
      .nav-menu a{width:100%;padding:12px 14px}
      .nav-actions .event-badge,.nav-actions .btn{display:none}
      .section{padding:70px 0}
      .section-head{align-items:flex-start;flex-direction:column}
      .case-card{grid-template-columns:1fr}
      .price-grid{grid-template-columns:1fr}
      .price-card.featured{transform:none}
      .price-card.featured:hover{transform:translateY(-5px)}
      .faq-wrap{grid-template-columns:1fr}
      .faq-note{position:relative;top:0}
      .cta-block{grid-template-columns:1fr;padding:38px 28px}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:680px){
      body{font-size:15px}
      .container{width:calc(100% - 32px)}
      .brand-name span{display:none}
      .hero{padding:46px 0 36px}
      h1{font-size:36px;letter-spacing:-1px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .trust-row{display:grid;grid-template-columns:1fr 1fr}
      .hero-visual{min-height:auto;display:grid;gap:14px}
      .device-card,.floating-panel{position:relative;width:100%;right:auto;left:auto;bottom:auto;top:auto;transform:none}
      .phone-screen{min-height:420px}
      .bento{grid-template-columns:1fr}
      .feature-large{grid-column:auto}
      .category-strip{grid-template-columns:1fr;padding:22px}
      .step{grid-template-columns:1fr}
      .case-card{padding:22px;border-radius:28px}
      .footer-grid{grid-template-columns:1fr}
      .copyright{display:block}
    }
    @media (max-width:420px){
      h1{font-size:32px}
      h2{font-size:26px}
      .trust-row{grid-template-columns:1fr}
      .cta-block{border-radius:28px}
      .btn{width:100%}
    }

/* roulang page: category1 */
:root{
      --primary:#A6F04D;
      --primary-2:#9BE447;
      --mint:#31C6A4;
      --orange:#FFB23F;
      --ink:#151816;
      --ink-2:#20251F;
      --text:#2B302B;
      --muted:#667064;
      --soft:#F6F8F3;
      --soft-2:#EEF3EA;
      --card:#FFFFFF;
      --line:#DDE6D5;
      --line-soft:rgba(21,24,22,.08);
      --shadow:0 18px 50px rgba(21,24,22,.08);
      --shadow-hover:0 24px 70px rgba(21,24,22,.12);
      --radius-xl:34px;
      --radius-lg:26px;
      --radius-md:18px;
      --radius-pill:999px;
      --container:1200px;
      --speed:.25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      min-height:100vh;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(166,240,77,.24), transparent 30%),
        radial-gradient(circle at 88% 14%, rgba(49,198,164,.16), transparent 28%),
        linear-gradient(180deg,var(--soft),#fff 46%,var(--soft-2));
      line-height:1.75;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer;background:none;color:inherit}
    ::selection{background:rgba(166,240,77,.55);color:var(--ink)}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:60;
      background:rgba(246,248,243,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(21,24,22,.06);
      transition:box-shadow var(--speed),background var(--speed);
    }
    .site-header.scrolled{
      background:rgba(246,248,243,.96);
      box-shadow:0 12px 38px rgba(21,24,22,.08);
    }
    .nav-wrap{
      height:78px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:24px;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:max-content;
    }
    .brand-mark{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      color:var(--ink);
      font-weight:900;
      letter-spacing:-.04em;
      background:
        radial-gradient(circle at 72% 24%, #fff 0 10%, transparent 11%),
        linear-gradient(135deg,var(--primary),var(--mint));
      box-shadow:0 12px 28px rgba(49,198,164,.18);
    }
    .brand-name{display:flex;flex-direction:column;line-height:1.15}
    .brand-name strong{font-size:18px;color:var(--ink);letter-spacing:.01em}
    .brand-name span{font-size:12px;color:var(--muted);margin-top:3px}
    .nav-menu{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      padding:6px;
      border:1px solid var(--line-soft);
      background:rgba(255,255,255,.62);
      border-radius:var(--radius-pill);
    }
    .nav-menu a{
      position:relative;
      padding:10px 18px;
      border-radius:var(--radius-pill);
      color:var(--muted);
      font-weight:700;
      font-size:14px;
      transition:background var(--speed),color var(--speed),transform var(--speed);
    }
    .nav-menu a:hover{color:var(--ink);background:rgba(166,240,77,.18);transform:translateY(-1px)}
    .nav-menu a.active{color:var(--ink);background:var(--primary)}
    .nav-actions{display:flex;align-items:center;gap:12px}
    .event-badge,.countdown,.tag,.meta-chip{
      display:inline-flex;
      align-items:center;
      gap:7px;
      border-radius:var(--radius-pill);
      white-space:nowrap;
      font-weight:700;
    }
    .event-badge{
      padding:9px 13px;
      font-size:13px;
      background:rgba(255,178,63,.14);
      color:#7A4A00;
      border:1px solid rgba(255,178,63,.32);
    }
    .pulse{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--orange);
      box-shadow:0 0 0 0 rgba(255,178,63,.55);
      animation:pulse 1.8s infinite;
    }
    @keyframes pulse{
      0%{box-shadow:0 0 0 0 rgba(255,178,63,.55)}
      70%{box-shadow:0 0 0 8px rgba(255,178,63,0)}
      100%{box-shadow:0 0 0 0 rgba(255,178,63,0)}
    }
    .countdown{
      padding:9px 12px;
      color:var(--ink);
      background:rgba(255,255,255,.72);
      border:1px solid var(--line-soft);
      font-size:13px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:13px 20px;
      border-radius:var(--radius-pill);
      font-weight:800;
      border:1px solid transparent;
      transition:transform var(--speed),box-shadow var(--speed),background var(--speed),border-color var(--speed);
    }
    .btn-primary{
      background:var(--primary);
      color:var(--ink);
      box-shadow:0 14px 32px rgba(166,240,77,.26);
    }
    .btn-primary:hover{transform:translateY(-2px);background:#B8FF63;box-shadow:0 20px 46px rgba(166,240,77,.36)}
    .btn-secondary{
      background:rgba(255,255,255,.74);
      color:var(--ink);
      border-color:var(--line);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:var(--primary);background:rgba(166,240,77,.16)}
    .btn-dark{
      background:var(--ink);
      color:#fff;
      box-shadow:0 16px 36px rgba(21,24,22,.18);
    }
    .btn-dark:hover{transform:translateY(-2px);background:#252B25}
    .btn:active{transform:translateY(0);box-shadow:none}
    .btn:focus-visible,.nav-menu a:focus-visible,.filter-btn:focus-visible,.faq-question:focus-visible,.menu-toggle:focus-visible,input:focus-visible{
      outline:3px solid rgba(166,240,77,.7);
      outline-offset:3px;
    }
    .menu-toggle{
      display:none;
      width:44px;
      height:44px;
      border-radius:16px;
      background:var(--ink);
      color:#fff;
      font-size:22px;
    }

    main{position:relative}
    .section{padding:92px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:34px;
    }
    .section-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:var(--ink);
      font-weight:900;
      font-size:13px;
      letter-spacing:.04em;
      text-transform:uppercase;
      margin-bottom:10px;
    }
    .section-kicker::before{
      content:"";
      width:10px;
      height:10px;
      border-radius:50%;
      background:var(--primary);
      box-shadow:0 0 0 6px rgba(166,240,77,.18);
    }
    h1,h2,h3{color:var(--ink);line-height:1.16;letter-spacing:-.02em}
    h1{font-size:clamp(34px,5vw,58px);font-weight:900}
    h2{font-size:clamp(28px,3.4vw,42px);font-weight:850}
    h3{font-size:22px;font-weight:800}
    p{color:var(--muted)}
    .lead{font-size:18px;color:#4D574B;line-height:1.85}
    .hero{
      padding:52px 0 42px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background-image:
        linear-gradient(120deg, rgba(246,248,243,.94), rgba(246,248,243,.72)),
        url("/assets/images/backpic/back-2.webp");
      background-size:cover;
      background-position:center;
      opacity:.9;
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute;
      width:520px;
      height:520px;
      border-radius:50%;
      right:-160px;
      top:10px;
      background:radial-gradient(circle, rgba(166,240,77,.35), transparent 66%);
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.16fr .84fr;
      gap:34px;
      align-items:center;
    }
    .hero-copy{
      padding:38px 0;
    }
    .hero-eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 13px;
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.76);
      border:1px solid var(--line-soft);
      color:var(--ink);
      font-weight:800;
      margin-bottom:18px;
    }
    .hero-copy .lead{max-width:720px;margin:20px 0 26px}
    .hero-actions{display:flex;gap:14px;flex-wrap:wrap}
    .hero-note{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
      margin-top:24px;
    }
    .tag{
      padding:8px 12px;
      font-size:13px;
      color:var(--ink);
      background:rgba(255,255,255,.72);
      border:1px solid var(--line-soft);
    }
    .tag strong{color:#1F6C55}
    .stat-panel{
      position:relative;
      border-radius:var(--radius-xl);
      background:rgba(255,255,255,.78);
      border:1px solid rgba(255,255,255,.82);
      box-shadow:var(--shadow);
      padding:20px;
      overflow:hidden;
    }
    .stat-panel::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(135deg, rgba(166,240,77,.2), transparent 35%),
        radial-gradient(circle at 80% 20%, rgba(49,198,164,.2), transparent 28%);
      pointer-events:none;
    }
    .panel-top{position:relative;display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
    .panel-title{font-weight:900;color:var(--ink)}
    .status-dot{
      display:inline-flex;
      align-items:center;
      gap:7px;
      color:#1F6C55;
      font-size:13px;
      font-weight:800;
    }
    .status-dot::before{
      content:"";
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--mint);
      box-shadow:0 0 0 5px rgba(49,198,164,.15);
    }
    .panel-img{
      position:relative;
      border-radius:24px;
      overflow:hidden;
      min-height:210px;
      border:1px solid rgba(21,24,22,.08);
      background:var(--soft-2);
      margin-bottom:16px;
    }
    .panel-img img{width:100%;height:250px;object-fit:cover}
    .panel-img::after{
      content:"kaiyun.com 内容模块";
      position:absolute;
      left:16px;
      bottom:16px;
      padding:8px 12px;
      border-radius:var(--radius-pill);
      background:rgba(21,24,22,.78);
      color:#fff;
      font-weight:800;
      font-size:13px;
    }
    .stat-grid{
      position:relative;
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
    }
    .stat-card{
      padding:16px 12px;
      border-radius:20px;
      background:rgba(246,248,243,.88);
      border:1px solid var(--line-soft);
    }
    .stat-card b{display:block;color:var(--ink);font-size:26px;line-height:1.1}
    .stat-card span{font-size:12px;color:var(--muted);font-weight:700}

    .filters{
      padding:22px 0 0;
      position:sticky;
      top:78px;
      z-index:30;
      background:linear-gradient(180deg,rgba(246,248,243,.96),rgba(246,248,243,.78));
      backdrop-filter:blur(16px);
      border-bottom:1px solid rgba(21,24,22,.06);
    }
    .filter-bar{
      display:flex;
      gap:10px;
      overflow:auto;
      padding-bottom:18px;
      scrollbar-width:none;
    }
    .filter-bar::-webkit-scrollbar{display:none}
    .filter-btn{
      flex:0 0 auto;
      padding:10px 16px;
      border-radius:var(--radius-pill);
      background:rgba(255,255,255,.72);
      border:1px solid var(--line);
      color:var(--muted);
      font-weight:800;
      transition:background var(--speed),color var(--speed),transform var(--speed),border-color var(--speed);
    }
    .filter-btn:hover{transform:translateY(-1px);border-color:var(--primary);color:var(--ink)}
    .filter-btn.active{background:var(--primary);color:var(--ink);border-color:var(--primary)}

    .content-layout{
      display:grid;
      grid-template-columns:300px 1fr;
      gap:34px;
      align-items:start;
    }
    .side-panel{
      position:sticky;
      top:154px;
      display:grid;
      gap:16px;
    }
    .aside-card,.content-card,.feature-card,.flow-card,.faq-item{
      background:rgba(255,255,255,.78);
      border:1px solid var(--line-soft);
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
    }
    .aside-card{padding:22px}
    .aside-card h2,.aside-card h3{font-size:18px;margin-bottom:12px}
    .toc-list{display:grid;gap:10px;list-style:none}
    .toc-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:11px 12px;
      border-radius:16px;
      color:var(--muted);
      font-weight:800;
      background:rgba(246,248,243,.66);
      transition:background var(--speed),color var(--speed),transform var(--speed);
    }
    .toc-list a:hover{background:rgba(166,240,77,.18);color:var(--ink);transform:translateX(2px)}
    .toc-list a::after{content:"›";font-size:18px;color:var(--mint)}
    .quick-cta{
      background:var(--ink);
      color:#fff;
      overflow:hidden;
      position:relative;
    }
    .quick-cta::after{
      content:"";
      position:absolute;
      right:-40px;
      bottom:-55px;
      width:160px;
      height:160px;
      border-radius:50%;
      background:rgba(166,240,77,.2);
    }
    .quick-cta h3{color:#fff}
    .quick-cta p{color:#C9D4C6;margin:8px 0 16px}
    .domain-mini{
      display:inline-flex;
      max-width:100%;
      padding:8px 11px;
      border-radius:14px;
      background:rgba(166,240,77,.14);
      color:var(--primary);
      font-size:12px;
      font-weight:800;
      word-break:break-all;
    }

    .cards-area{display:grid;gap:18px}
    .featured-card{
      display:grid;
      grid-template-columns:1fr 330px;
      gap:22px;
      padding:18px;
      overflow:hidden;
    }
    .featured-card .content-body{padding:16px 10px 16px 14px}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:var(--radius-pill);
      background:rgba(166,240,77,.2);
      color:var(--ink);
      font-size:13px;
      font-weight:900;
      margin-bottom:12px;
    }
    .badge.orange{background:rgba(255,178,63,.16);color:#7A4A00}
    .badge.mint{background:rgba(49,198,164,.14);color:#13634F}
    .content-card h2,.content-card h3{margin-bottom:10px}
    .content-card p{margin-bottom:16px}
    .card-meta{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
      margin-top:18px;
    }
    .meta-chip{
      padding:7px 10px;
      font-size:12px;
      color:var(--muted);
      background:var(--soft);
      border:1px solid var(--line-soft);
    }
    .read-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:var(--ink);
      font-weight:900;
      border-bottom:2px solid rgba(166,240,77,.7);
      transition:gap var(--speed),color var(--speed);
    }
    .read-link:hover{gap:10px;color:#1F6C55}
    .card-img{
      min-height:260px;
      border-radius:24px;
      overflow:hidden;
      background:var(--soft-2);
    }
    .card-img img{width:100%;height:100%;object-fit:cover}
    .small-card-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:18px;
    }
    .small-card{
      padding:24px;
      position:relative;
      overflow:hidden;
      transition:transform var(--speed),box-shadow var(--speed),border-color var(--speed);
    }
    .small-card:hover{
      transform:translateY(-4px);
      box-shadow:var(--shadow-hover);
      border-color:rgba(166,240,77,.55);
    }
    .small-card::after{
      content:attr(data-no);
      position:absolute;
      right:20px;
      top:10px;
      font-size:64px;
      line-height:1;
      font-weight:900;
      color:rgba(21,24,22,.05);
      letter-spacing:-.06em;
    }
    .icon-box{
      width:44px;
      height:44px;
      border-radius:16px;
      display:grid;
      place-items:center;
      margin-bottom:14px;
      background:linear-gradient(135deg,var(--primary),rgba(49,198,164,.72));
      color:var(--ink);
      font-weight:900;
      box-shadow:0 12px 24px rgba(166,240,77,.18);
    }

    .module-strip{
      border-radius:var(--radius-xl);
      padding:34px;
      background:
        linear-gradient(135deg,rgba(21,24,22,.94),rgba(32,37,31,.95)),
        url("/assets/images/backpic/back-3.webp");
      background-size:cover;
      background-position:center;
      color:#fff;
      overflow:hidden;
      position:relative;
    }
    .module-strip::after{
      content:"";
      position:absolute;
      inset:auto -80px -110px auto;
      width:280px;
      height:280px;
      border-radius:50%;
      background:rgba(166,240,77,.22);
    }
    .module-strip h2{color:#fff;max-width:760px}
    .module-strip p{color:#CFD8CC;max-width:780px;margin-top:12px}
    .flow-grid{
      display:grid;
      grid-template-columns:repeat(5,1fr);
      gap:14px;
      margin-top:28px;
      position:relative;
      z-index:1;
    }
    .flow-card{
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.12);
      box-shadow:none;
      padding:18px;
      min-height:160px;
    }
    .flow-num{
      width:34px;
      height:34px;
      border-radius:13px;
      display:grid;
      place-items:center;
      background:var(--primary);
      color:var(--ink);
      font-weight:900;
      margin-bottom:12px;
    }
    .flow-card h3{font-size:17px;color:#fff;margin-bottom:8px}
    .flow-card p{font-size:14px;color:#C9D4C6}

    .compare-grid{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:22px;
      align-items:stretch;
    }
    .media-card{
      border-radius:var(--radius-xl);
      overflow:hidden;
      min-height:420px;
      position:relative;
      background:var(--soft-2);
      box-shadow:var(--shadow);
    }
    .media-card img{width:100%;height:100%;object-fit:cover}
    .media-card .caption{
      position:absolute;
      left:22px;
      right:22px;
      bottom:22px;
      padding:18px;
      border-radius:22px;
      background:rgba(21,24,22,.78);
      color:#fff;
    }
    .media-card .caption p{color:#DCE5D9;margin-top:4px}
    .feature-list{display:grid;gap:14px}
    .feature-card{
      padding:22px;
      display:grid;
      grid-template-columns:auto 1fr;
      gap:16px;
      align-items:start;
    }
    .feature-card h3{font-size:20px;margin-bottom:6px}
    .feature-card p{margin:0}

    .faq-wrap{
      display:grid;
      grid-template-columns:.78fr 1.22fr;
      gap:34px;
      align-items:start;
    }
    .faq-intro{
      padding:28px;
      border-radius:var(--radius-xl);
      background:linear-gradient(180deg,rgba(166,240,77,.22),rgba(255,255,255,.72));
      border:1px solid rgba(166,240,77,.28);
    }
    .faq-intro p{margin:12px 0 18px}
    .faq-list{display:grid;gap:12px}
    .faq-item{overflow:hidden;box-shadow:none}
    .faq-question{
      width:100%;
      min-height:58px;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      text-align:left;
      color:var(--ink);
      font-weight:900;
      gap:16px;
    }
    .faq-question span:last-child{
      width:28px;
      height:28px;
      border-radius:50%;
      display:grid;
      place-items:center;
      background:var(--soft-2);
      flex:0 0 auto;
      transition:transform var(--speed),background var(--speed);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .3s ease;
    }
    .faq-answer p{padding:0 20px 20px}
    .faq-item.open .faq-question{color:#1F6C55}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:var(--primary)}
    .faq-item.open .faq-answer{max-height:220px}

    .cta{
      padding:0 0 100px;
    }
    .cta-box{
      position:relative;
      overflow:hidden;
      border-radius:38px;
      padding:44px;
      background:
        radial-gradient(circle at 88% 22%, rgba(166,240,77,.3), transparent 26%),
        linear-gradient(135deg,var(--ink),var(--ink-2));
      color:#fff;
      box-shadow:0 28px 80px rgba(21,24,22,.18);
    }
    .cta-box::before{
      content:"";
      position:absolute;
      inset:18px;
      border:1px solid rgba(255,255,255,.08);
      border-radius:30px;
      pointer-events:none;
    }
    .cta-content{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:center;
    }
    .cta h2{color:#fff;margin-bottom:12px}
    .cta p{color:#D6DED2;max-width:760px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .cta .btn-secondary{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.18)}
    .cta .btn-secondary:hover{background:rgba(166,240,77,.12);border-color:var(--primary)}

    .footer{
      background:var(--ink);
      color:#DDE6D5;
      padding:62px 0 28px;
    }
    .footer .brand-name strong{color:#fff}
    .footer .brand-name span{color:#AAB7A6}
    .footer-grid{
      display:grid;
      grid-template-columns:1.25fr .9fr 1fr;
      gap:48px;
      padding-bottom:38px;
      border-bottom:1px solid rgba(255,255,255,.1);
    }
    .footer p{color:#B9C5B6;margin-top:18px}
    .footer h3{color:#fff;font-size:18px;margin-bottom:16px}
    .footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px}
    .footer-links a{
      color:#B9C5B6;
      font-weight:700;
      transition:color var(--speed),transform var(--speed);
    }
    .footer-links a:hover{color:var(--primary);transform:translateX(2px)}
    .domain-box{
      display:inline-flex;
      max-width:100%;
      padding:11px 14px;
      border-radius:16px;
      background:rgba(166,240,77,.12);
      color:var(--primary);
      font-weight:900;
      word-break:break-all;
      border:1px solid rgba(166,240,77,.18);
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:24px;
      color:#94A190;
      font-size:14px;
    }

    @media (max-width:1100px){
      .container{width:min(var(--container),calc(100% - 40px))}
      .countdown{display:none}
      .hero-grid,.content-layout,.compare-grid,.faq-wrap{grid-template-columns:1fr}
      .side-panel{position:relative;top:auto;grid-template-columns:repeat(2,1fr)}
      .featured-card{grid-template-columns:1fr 280px}
      .flow-grid{grid-template-columns:repeat(3,1fr)}
      .cta-content{grid-template-columns:1fr}
      .cta-actions{justify-content:flex-start}
    }
    @media (max-width:860px){
      .nav-wrap{height:68px}
      .nav-menu{
        position:absolute;
        left:20px;
        right:20px;
        top:78px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:24px;
        padding:12px;
        background:rgba(246,248,243,.98);
        box-shadow:var(--shadow-hover);
      }
      .nav-menu.open{display:flex}
      .nav-menu a{text-align:center}
      .menu-toggle{display:grid;place-items:center}
      .nav-actions .btn,.event-badge{display:none}
      .hero{padding:36px 0 28px}
      .section{padding:70px 0}
      .featured-card{grid-template-columns:1fr}
      .card-img{min-height:220px}
      .small-card-grid{grid-template-columns:1fr}
      .side-panel{grid-template-columns:1fr}
      .flow-grid{grid-template-columns:1fr 1fr}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:620px){
      .container{width:calc(100% - 32px)}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .brand-name strong{font-size:16px}
      .hero-copy{padding:24px 0}
      .hero-actions,.cta-actions{flex-direction:column}
      .btn{width:100%}
      .stat-grid{grid-template-columns:1fr}
      .section-head{display:block}
      .filters{top:68px}
      .flow-grid{grid-template-columns:1fr}
      .module-strip,.cta-box{padding:28px 20px;border-radius:28px}
      .media-card{min-height:320px}
      .feature-card{grid-template-columns:1fr}
      .footer-links{grid-template-columns:1fr}
      .copyright{display:grid}
    }