/* roulang page: index */
:root{
      --color-ink:#111311;
      --color-ink-2:#20231f;
      --color-muted:#68706a;
      --color-soft:#f6f3eb;
      --color-card:#fffdf7;
      --color-line:rgba(17,19,17,.12);
      --color-mint:#34f0b0;
      --color-mint-dark:#14b87d;
      --color-silver:#cfc7b7;
      --color-champagne:#dfd2b6;
      --radius-lg:30px;
      --radius-md:20px;
      --radius-sm:14px;
      --shadow-soft:0 24px 70px rgba(17,19,17,.10);
      --shadow-card:0 16px 46px rgba(17,19,17,.075);
      --container:1180px;
      --header-h:76px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--color-ink);
      background:
        radial-gradient(circle at 8% 8%, rgba(52,240,176,.12), transparent 28rem),
        linear-gradient(180deg,#f4f0e7 0%,#fbf8f1 42%,#f2eee5 100%);
      font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;
      line-height:1.65;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    ::selection{background:rgba(52,240,176,.38);color:#0d100e}
    :focus-visible{outline:3px solid rgba(52,240,176,.55);outline-offset:3px;border-radius:12px}
    .site-container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
    .site-header{
      position:sticky;top:0;z-index:60;
      background:rgba(246,243,235,.86);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(17,19,17,.08);
      transition:box-shadow .25s ease, background .25s ease;
    }
    .site-header.is-scrolled{background:rgba(255,253,247,.94);box-shadow:0 12px 36px rgba(17,19,17,.08)}
    .nav-wrap{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:18px}
    .brand{
      display:flex;align-items:center;gap:12px;min-width:max-content;font-weight:900;letter-spacing:-.02em;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:15px;background:var(--color-ink);color:var(--color-mint);
      display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 12px 26px rgba(17,19,17,.18);
      position:relative;overflow:hidden;
    }
    .brand-mark:after{content:"";position:absolute;inset:-40%;background:linear-gradient(120deg,transparent,rgba(52,240,176,.32),transparent);transform:rotate(18deg) translateX(-60%);transition:transform .65s ease}
    .brand:hover .brand-mark:after{transform:rotate(18deg) translateX(65%)}
    .brand-text{display:flex;flex-direction:column;line-height:1.05}
    .brand-text strong{font-size:18px}
    .brand-text span{font-size:11px;color:var(--color-muted);font-weight:700;letter-spacing:.14em;text-transform:uppercase;margin-top:5px}
    .desktop-nav{display:flex;align-items:center;justify-content:center;gap:8px;padding:6px;border:1px solid var(--color-line);border-radius:999px;background:rgba(255,253,247,.62)}
    .nav-link{
      position:relative;display:inline-flex;align-items:center;gap:7px;
      padding:10px 16px;border-radius:999px;font-size:14px;font-weight:800;color:#4a504b;
      transition:background .22s ease,color .22s ease,transform .22s ease;
    }
    .nav-link:hover{background:rgba(52,240,176,.14);color:var(--color-ink);transform:translateY(-1px)}
    .nav-link.active{background:var(--color-ink);color:#fff}
    .nav-dot{width:7px;height:7px;border-radius:50%;background:var(--color-mint);box-shadow:0 0 0 5px rgba(52,240,176,.14)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .status-pill{
      display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(20,184,125,.22);background:rgba(52,240,176,.12);
      color:#126448;border-radius:999px;padding:9px 12px;font-size:12px;font-weight:900;white-space:nowrap;
    }
    .pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--color-mint-dark);animation:pulse 1.8s ease-in-out infinite}
    @keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(52,240,176,.34)}50%{box-shadow:0 0 0 8px rgba(52,240,176,0)}}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      min-height:46px;padding:12px 20px;border-radius:999px;font-weight:900;font-size:14px;
      transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
      white-space:nowrap;
    }
    .btn-primary{background:var(--color-mint);color:#08100c;box-shadow:0 14px 30px rgba(20,184,125,.22)}
    .btn-primary:hover{transform:translateY(-2px);background:#5af5c1;box-shadow:0 18px 38px rgba(20,184,125,.30)}
    .btn-secondary{border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.08);color:#fff}
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(255,255,255,.14);border-color:rgba(52,240,176,.55)}
    .btn-outline{border:1px solid var(--color-line);background:rgba(255,253,247,.72);color:var(--color-ink)}
    .btn-outline:hover{transform:translateY(-2px);border-color:rgba(20,184,125,.35);box-shadow:var(--shadow-card)}
    .mobile-toggle{display:none;width:46px;height:46px;border-radius:16px;background:var(--color-ink);color:#fff;align-items:center;justify-content:center}
    .mobile-panel{display:none;border-top:1px solid var(--color-line);padding:0 0 16px}
    .mobile-panel.open{display:block}
    .mobile-panel a{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-weight:900;border-bottom:1px solid rgba(17,19,17,.08)}
    .hero{
      position:relative;isolation:isolate;min-height:720px;display:flex;align-items:center;padding:70px 0 48px;
      background:
        linear-gradient(90deg,rgba(17,19,17,.92),rgba(17,19,17,.74) 48%,rgba(17,19,17,.30)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color:#fff;overflow:hidden;
    }
    .hero:before{content:"";position:absolute;inset:auto -10% -38% 35%;height:420px;background:radial-gradient(circle,rgba(52,240,176,.26),transparent 65%);z-index:-1;filter:blur(6px);animation:breath 5.5s ease-in-out infinite}
    .hero:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 0%,rgba(17,19,17,.58) 100%);z-index:-1}
    @keyframes breath{0%,100%{opacity:.55;transform:scale(1)}50%{opacity:.9;transform:scale(1.06)}}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(340px,.78fr);gap:52px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;padding:9px 13px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);border-radius:999px;font-size:13px;font-weight:900;color:#ddfff2}
    .hero h1{font-size:clamp(44px,6.2vw,82px);line-height:.98;letter-spacing:-.07em;font-weight:950;margin:24px 0 22px;max-width:860px}
    .hero h1 span{color:var(--color-mint)}
    .hero p{font-size:18px;color:rgba(255,255,255,.78);max-width:690px;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
    .hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:42px;max-width:720px}
    .metric{border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.07);border-radius:22px;padding:18px 18px}
    .metric strong{display:block;font-size:28px;line-height:1;color:#fff;letter-spacing:-.04em}
    .metric span{display:block;margin-top:8px;color:rgba(255,255,255,.62);font-size:13px}
    .hero-panel{background:#fffdf7;color:var(--color-ink);border-radius:var(--radius-lg);padding:18px;box-shadow:0 30px 90px rgba(0,0,0,.25);transform:rotate(1.2deg);transition:transform .32s ease}
    .hero-panel:hover{transform:rotate(0deg) translateY(-4px)}
    .panel-cover{height:220px;border-radius:24px;overflow:hidden;position:relative}
    .panel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
    .hero-panel:hover .panel-cover img{transform:scale(1.04)}
    .count-card{margin-top:16px;border:1px solid var(--color-line);border-radius:24px;padding:18px;background:#f7f2e8}
    .count-row{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .count-num{font-size:36px;font-weight:950;letter-spacing:-.05em}
    .progress{height:8px;background:rgba(17,19,17,.10);border-radius:999px;overflow:hidden;margin-top:16px}
    .progress span{display:block;height:100%;width:78%;background:linear-gradient(90deg,var(--color-mint-dark),var(--color-mint));border-radius:inherit}
    .section{padding:92px 0}
    .section-tight{padding:56px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-kicker{display:inline-flex;align-items:center;gap:8px;color:#126448;background:rgba(52,240,176,.13);border:1px solid rgba(20,184,125,.16);padding:7px 12px;border-radius:999px;font-size:13px;font-weight:950}
    .section-title{font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.055em;font-weight:950;margin:14px 0 0}
    .section-desc{max-width:560px;color:var(--color-muted);font-size:16px;margin:0}
    .trust-strip{margin-top:-34px;position:relative;z-index:5}
    .trust-box{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:var(--color-card);border:1px solid var(--color-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);overflow:hidden}
    .trust-item{padding:24px;border-right:1px solid var(--color-line)}
    .trust-item:last-child{border-right:0}
    .trust-item strong{display:block;font-size:20px;font-weight:950;letter-spacing:-.03em}
    .trust-item span{display:block;margin-top:6px;color:var(--color-muted);font-size:13px}
    .category-feature{display:grid;grid-template-columns:1fr .65fr;gap:22px;align-items:stretch}
    .category-card{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:var(--color-ink);color:#fff;min-height:330px;padding:34px;box-shadow:var(--shadow-soft)}
    .category-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.38}
    .category-card:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(17,19,17,.92),rgba(17,19,17,.48))}
    .category-content{position:relative;z-index:2;max-width:560px}
    .category-content h2{font-size:clamp(32px,4.4vw,58px);line-height:1.02;font-weight:950;letter-spacing:-.06em;margin:16px 0}
    .side-note{border:1px solid var(--color-line);border-radius:var(--radius-lg);padding:28px;background:var(--color-card);box-shadow:var(--shadow-card)}
    .side-note ul{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:13px}
    .side-note li{display:flex;gap:10px;color:#3b423d}
    .side-note li:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--color-mint-dark);margin-top:10px;flex:0 0 auto}
    .cap-grid{display:grid;grid-template-columns:1.2fr .8fr;grid-template-rows:auto auto;gap:22px}
    .cap-card{background:var(--color-card);border:1px solid var(--color-line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-card);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
    .cap-card:hover{transform:translateY(-5px);border-color:rgba(20,184,125,.35);box-shadow:var(--shadow-soft)}
    .cap-card.large{grid-row:span 2;background:linear-gradient(180deg,#fffdf7,#efe8d9)}
    .cap-num{display:inline-flex;width:42px;height:42px;border-radius:15px;align-items:center;justify-content:center;background:var(--color-ink);color:var(--color-mint);font-weight:950;margin-bottom:20px}
    .cap-card h3{font-size:25px;line-height:1.2;font-weight:950;letter-spacing:-.04em;margin:0 0 12px}
    .cap-card p{color:var(--color-muted);margin:0}
    .cap-list{margin-top:22px;display:grid;gap:12px}
    .cap-list div{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(17,19,17,.08);padding-bottom:11px;color:#3f4641;font-weight:800}
    .tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
    .tag{display:inline-flex;align-items:center;gap:6px;padding:8px 11px;border-radius:999px;background:rgba(17,19,17,.06);color:#3f4641;font-size:12px;font-weight:900}
    .tag.hot{background:rgba(52,240,176,.14);color:#126448}
    .scenes{background:var(--color-ink);color:#fff;border-radius:42px;margin-inline:20px;overflow:hidden}
    .scene-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:38px;align-items:start}
    .timeline{display:grid;gap:16px}
    .scene-card{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:20px;border:1px solid rgba(255,255,255,.12);border-radius:26px;background:rgba(255,255,255,.055);transition:transform .25s ease,border-color .25s ease}
    .scene-card:hover{transform:translateX(4px);border-color:rgba(52,240,176,.42)}
    .scene-card b{color:var(--color-mint);font-size:13px}
    .scene-card h3{font-size:21px;font-weight:950;margin:0 0 8px;letter-spacing:-.03em}
    .scene-card p{margin:0;color:rgba(255,255,255,.66)}
    .case-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px}
    .case-cover{border-radius:var(--radius-lg);overflow:hidden;min-height:500px;position:relative;box-shadow:var(--shadow-soft)}
    .case-cover img{width:100%;height:100%;object-fit:cover}
    .case-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(17,19,17,.72))}
    .case-quote{position:absolute;left:28px;right:28px;bottom:28px;color:#fff;z-index:2}
    .case-quote p{font-size:24px;line-height:1.35;font-weight:900;margin:0 0 12px}
    .case-list{display:grid;gap:18px}
    .case-item{display:grid;grid-template-columns:92px 1fr auto;gap:18px;align-items:center;background:var(--color-card);border:1px solid var(--color-line);border-radius:26px;padding:16px;box-shadow:var(--shadow-card);transition:transform .25s ease,border-color .25s ease}
    .case-item:hover{transform:translateY(-4px);border-color:rgba(20,184,125,.35)}
    .case-thumb{width:92px;height:92px;border-radius:20px;overflow:hidden;background:#eee}
    .case-thumb img{width:100%;height:100%;object-fit:cover}
    .case-item h3{font-size:20px;font-weight:950;margin:0 0 6px;letter-spacing:-.03em}
    .case-item p{margin:0;color:var(--color-muted);font-size:14px}
    .arrow{width:42px;height:42px;border-radius:50%;background:rgba(52,240,176,.16);display:grid;place-items:center;color:#126448;font-weight:950}
    .plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
    .plan-card{position:relative;background:var(--color-card);border:1px solid var(--color-line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease}
    .plan-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-soft)}
    .plan-card.featured{background:var(--color-ink);color:#fff;transform:translateY(-10px)}
    .plan-card.featured p,.plan-card.featured li{color:rgba(255,255,255,.72)}
    .plan-card h3{font-size:24px;font-weight:950;letter-spacing:-.04em;margin:12px 0 4px}
    .price{font-size:42px;font-weight:950;letter-spacing:-.06em;margin:18px 0}
    .price small{font-size:14px;color:var(--color-muted);letter-spacing:0}
    .featured .price small{color:rgba(255,255,255,.58)}
    .plan-card ul{list-style:none;margin:22px 0 24px;padding:0;display:grid;gap:10px}
    .plan-card li{display:flex;gap:10px;color:#4d554f}
    .plan-card li:before{content:"✓";color:var(--color-mint-dark);font-weight:950}
    .process-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}
    .contact-box{background:#fffdf7;border:1px solid var(--color-line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-card)}
    .form-grid{display:grid;gap:14px;margin-top:18px}
    .field{display:grid;gap:7px}
    .field label{font-size:13px;font-weight:900;color:#3d443f}
    .field input,.field textarea{
      width:100%;border:1px solid rgba(17,19,17,.14);background:#f8f3e9;border-radius:17px;padding:13px 14px;color:var(--color-ink);
      transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
    }
    .field textarea{min-height:112px;resize:vertical}
    .field input:focus,.field textarea:focus{outline:none;border-color:rgba(20,184,125,.55);box-shadow:0 0 0 4px rgba(52,240,176,.12);background:#fffdf7}
    .steps{display:grid;gap:16px}
    .step{display:grid;grid-template-columns:72px 1fr;gap:18px;padding:24px;border-radius:26px;background:rgba(255,253,247,.64);border:1px solid var(--color-line)}
    .step span{width:58px;height:58px;border-radius:20px;background:var(--color-ink);color:var(--color-mint);display:grid;place-items:center;font-size:20px;font-weight:950}
    .step h3{font-size:22px;font-weight:950;margin:0 0 6px;letter-spacing:-.03em}
    .step p{margin:0;color:var(--color-muted)}
    .faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:32px}
    .faq-list{display:grid;gap:14px}
    .faq-item{background:var(--color-card);border:1px solid var(--color-line);border-radius:22px;overflow:hidden;box-shadow:0 10px 28px rgba(17,19,17,.04)}
    .faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;background:transparent;color:var(--color-ink);padding:20px 22px;font-weight:950}
    .faq-q span:last-child{width:30px;height:30px;border-radius:50%;background:rgba(52,240,176,.15);display:grid;place-items:center;color:#126448;transition:transform .2s ease}
    .faq-a{display:none;padding:0 22px 22px;color:var(--color-muted)}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q span:last-child{transform:rotate(45deg)}
    .final-cta{padding:76px 0 96px}
    .cta-panel{position:relative;overflow:hidden;background:var(--color-ink);color:#fff;border-radius:42px;padding:54px;box-shadow:var(--shadow-soft)}
    .cta-panel:before{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;background:radial-gradient(circle,rgba(52,240,176,.34),transparent 65%)}
    .cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta-inner h2{font-size:clamp(32px,4.4vw,58px);line-height:1.05;font-weight:950;letter-spacing:-.06em;margin:0 0 14px}
    .cta-inner p{color:rgba(255,255,255,.68);margin:0;max-width:650px}
    .site-footer{background:#0f110f;color:#fff;padding:56px 0 26px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .7fr .7fr;gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.10)}
    .footer-brand{font-size:22px;font-weight:950;letter-spacing:-.03em;margin-bottom:12px}
    .site-footer p{color:rgba(255,255,255,.62);margin:0;max-width:520px}
    .footer-title{font-size:14px;font-weight:950;color:#fff;margin-bottom:12px}
    .footer-links{display:grid;gap:9px}
    .footer-links a,.footer-links span{color:rgba(255,255,255,.62);font-size:14px;transition:color .2s ease,transform .2s ease}
    .footer-links a:hover{color:var(--color-mint);transform:translateX(3px)}
    .copyright{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;color:rgba(255,255,255,.48);font-size:13px}
    @media (max-width:1024px){
      :root{--header-h:70px}
      .desktop-nav,.status-pill{display:none}
      .mobile-toggle{display:flex}
      .hero{min-height:auto;padding:58px 0 42px}
      .hero-grid,.category-feature,.scene-grid,.case-grid,.process-grid,.faq-wrap{grid-template-columns:1fr}
      .hero-panel{transform:none;max-width:620px}
      .cap-grid{grid-template-columns:1fr}
      .cap-card.large{grid-row:auto}
      .trust-box{grid-template-columns:repeat(2,1fr)}
      .trust-item:nth-child(2){border-right:0}
      .trust-item:nth-child(1),.trust-item:nth-child(2){border-bottom:1px solid var(--color-line)}
      .plan-grid{grid-template-columns:1fr}
      .plan-card.featured{transform:none}
      .cta-inner{flex-direction:column;align-items:flex-start}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .brand-text strong{font-size:16px}
      .brand-text span{display:none}
      .nav-actions .btn-primary{display:none}
      .hero h1{font-size:42px;letter-spacing:-.055em}
      .hero p{font-size:16px}
      .hero-metrics{grid-template-columns:1fr}
      .section{padding:68px 0}
      .section-head{display:block}
      .section-desc{margin-top:14px}
      .trust-box{grid-template-columns:1fr}
      .trust-item{border-right:0!important;border-bottom:1px solid var(--color-line)}
      .trust-item:last-child{border-bottom:0}
      .category-card,.cta-panel{padding:28px;border-radius:30px}
      .scene-card,.case-item{grid-template-columns:1fr}
      .case-thumb{width:100%;height:180px}
      .case-cover{min-height:380px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .hero-actions,.final-cta .btn,.hero-actions .btn{width:100%}
      .btn{width:100%;padding-inline:16px}
      .mobile-panel .btn{width:100%;margin-top:14px}
      .hero{padding-top:42px}
      .panel-cover{height:170px}
      .metric strong{font-size:24px}
      .section-title{font-size:30px}
      .cap-card,.side-note,.contact-box,.plan-card{padding:22px;border-radius:24px}
      .step{grid-template-columns:1fr}
      .footer-grid{gap:24px}
      .copyright{display:block}
      .copyright span{display:block;margin-top:8px}
    }

/* roulang page: category1 */
:root{
      --ink:#111413;
      --ink-2:#1b1f1d;
      --muted:#66706b;
      --soft:#f4f1ea;
      --paper:#fbfaf6;
      --card:#ffffff;
      --line:rgba(17,20,19,.12);
      --line-dark:rgba(255,255,255,.14);
      --mint:#50e3b5;
      --mint-2:#19b987;
      --champagne:#c9b98d;
      --radius-lg:28px;
      --radius-md:20px;
      --radius-sm:14px;
      --shadow:0 24px 70px rgba(17,20,19,.10);
      --shadow-soft:0 14px 38px rgba(17,20,19,.08);
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
      color:var(--ink);
      background:
        radial-gradient(circle at 12% 8%, rgba(80,227,181,.12), transparent 26rem),
        linear-gradient(180deg,#fbfaf6 0%,#f4f1ea 48%,#fbfaf6 100%);
      line-height:1.7;
      text-rendering:optimizeLegibility;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer;border:0;background:none}
    .site-container{width:min(1180px,calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(251,250,246,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(17,20,19,.08);
      transition:box-shadow .28s var(--ease),background .28s var(--ease);
    }
    .site-header.scrolled{background:rgba(251,250,246,.94);box-shadow:0 16px 40px rgba(17,20,19,.08)}
    .nav-wrap{min-height:78px;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:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      background:var(--ink);
      color:var(--mint);
      font-weight:900;
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 12px 30px rgba(17,20,19,.16);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.18}
    .brand-text strong{font-size:17px;letter-spacing:-.02em;font-weight:900;color:var(--ink)}
    .brand-text span{font-size:12px;color:var(--muted);margin-top:3px}
    .desktop-nav{
      display:flex;
      align-items:center;
      gap:8px;
      padding:6px;
      border:1px solid rgba(17,20,19,.08);
      background:rgba(255,255,255,.58);
      border-radius:999px;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:10px 16px;
      border-radius:999px;
      color:#4e5752;
      font-size:14px;
      font-weight:800;
      transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
    }
    .nav-link:hover{background:rgba(17,20,19,.06);color:var(--ink);transform:translateY(-1px)}
    .nav-link.active{background:var(--ink);color:#fff}
    .nav-dot{width:7px;height:7px;border-radius:999px;background:var(--mint);box-shadow:0 0 0 4px rgba(80,227,181,.16)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .status-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 12px;
      border-radius:999px;
      background:rgba(80,227,181,.12);
      color:#0f7f61;
      font-size:13px;
      font-weight:900;
      border:1px solid rgba(25,185,135,.20);
      white-space:nowrap;
    }
    .pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--mint-2);box-shadow:0 0 0 0 rgba(25,185,135,.42);animation:pulse 1.8s infinite}
    @keyframes pulse{70%{box-shadow:0 0 0 10px rgba(25,185,135,0)}100%{box-shadow:0 0 0 0 rgba(25,185,135,0)}}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:12px 18px;
      border-radius:999px;
      font-size:14px;
      font-weight:900;
      transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
      outline:none;
      white-space:nowrap;
    }
    .btn:focus-visible{box-shadow:0 0 0 4px rgba(80,227,181,.30)}
    .btn-primary{background:var(--ink);color:#fff;box-shadow:0 14px 30px rgba(17,20,19,.16)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(17,20,19,.22);background:#050706}
    .btn-secondary{background:rgba(255,255,255,.78);color:var(--ink);border:1px solid rgba(17,20,19,.12)}
    .btn-secondary:hover{transform:translateY(-2px);border-color:rgba(25,185,135,.45);box-shadow:var(--shadow-soft)}
    .btn-mint{background:var(--mint);color:#06251d;box-shadow:0 16px 34px rgba(25,185,135,.22)}
    .btn-mint:hover{transform:translateY(-2px);background:#67edc4}
    .mobile-toggle{display:none;width:44px;height:44px;border-radius:14px;background:rgba(17,20,19,.06);font-weight:900}
    .mobile-panel{
      display:none;
      padding:0 0 18px;
      border-top:1px solid rgba(17,20,19,.08);
    }
    .mobile-panel a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 4px;
      font-weight:900;
      color:var(--ink);
    }
    .mobile-panel span{
      font-size:12px;color:#0f7f61;background:rgba(80,227,181,.14);padding:4px 9px;border-radius:999px;
    }
    main{overflow:hidden}
    .section{padding:76px 0}
    .section-tight{padding:46px 0}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(17,20,19,.10);
      background:rgba(255,255,255,.62);
      color:#34413b;
      font-size:13px;
      font-weight:900;
      letter-spacing:.02em;
    }
    .eyebrow::before{content:"";width:8px;height:8px;border-radius:99px;background:var(--mint-2)}
    .hero{
      position:relative;
      padding:58px 0 54px;
      background:
        linear-gradient(115deg,rgba(17,20,19,.92),rgba(17,20,19,.70) 48%,rgba(17,20,19,.88)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      color:#fff;
      isolation:isolate;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto -10% -28% 34%;
      height:300px;
      background:radial-gradient(circle,rgba(80,227,181,.28),transparent 62%);
      z-index:-1;
      filter:blur(12px);
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.04fr .74fr;
      gap:34px;
      align-items:center;
    }
    .hero h1{
      margin:18px 0 18px;
      max-width:780px;
      font-size:clamp(38px,5.4vw,72px);
      line-height:.98;
      letter-spacing:-.06em;
      font-weight:950;
    }
    .hero p{
      max-width:710px;
      color:rgba(255,255,255,.78);
      font-size:17px;
      line-height:1.9;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-panel{
      position:relative;
      border-radius:var(--radius-lg);
      overflow:hidden;
      border:1px solid rgba(255,255,255,.16);
      background:#151917;
      box-shadow:0 30px 90px rgba(0,0,0,.28);
      min-height:360px;
    }
    .hero-panel img{width:100%;height:360px;object-fit:cover;opacity:.72;transition:transform .6s var(--ease)}
    .hero-panel:hover img{transform:scale(1.035)}
    .panel-overlay{
      position:absolute;
      inset:auto 18px 18px;
      padding:18px;
      border-radius:22px;
      background:rgba(17,20,19,.82);
      border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(10px);
    }
    .panel-overlay strong{display:block;font-size:22px;line-height:1.25}
    .panel-overlay span{display:block;margin-top:8px;color:rgba(255,255,255,.68);font-size:13px}
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:26px;
      max-width:680px;
    }
    .metric{
      padding:16px;
      border-radius:18px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
    }
    .metric strong{display:block;font-size:24px;line-height:1;color:var(--mint)}
    .metric span{display:block;margin-top:8px;font-size:12px;color:rgba(255,255,255,.68)}
    .filter-board{
      margin-top:-34px;
      position:relative;
      z-index:4;
      padding:18px;
      border-radius:26px;
      background:rgba(255,255,255,.88);
      border:1px solid rgba(17,20,19,.10);
      box-shadow:var(--shadow);
      backdrop-filter:blur(12px);
    }
    .filter-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
    .filter-label{font-size:13px;font-weight:950;color:var(--ink);margin-right:4px}
    .tag{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:#fff;
      border:1px solid rgba(17,20,19,.10);
      color:#505a54;
      font-size:13px;
      font-weight:900;
      transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),color .22s var(--ease);
    }
    .tag:hover{transform:translateY(-1px);border-color:rgba(25,185,135,.34);color:var(--ink)}
    .tag.active{background:var(--ink);color:#fff;border-color:var(--ink)}
    .tag.disabled{opacity:.45;cursor:not-allowed}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:28px;
      margin-bottom:28px;
    }
    .section-head h2{
      margin:12px 0 0;
      font-size:clamp(28px,3.2vw,46px);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:950;
    }
    .section-head p{max-width:520px;color:var(--muted);margin:0}
    .solution-layout{
      display:grid;
      grid-template-columns:1.05fr .62fr;
      gap:24px;
      align-items:start;
    }
    .solution-list{display:grid;gap:16px}
    .solution-card{
      display:grid;
      grid-template-columns:170px 1fr;
      gap:20px;
      padding:18px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.78);
      border:1px solid rgba(17,20,19,.10);
      box-shadow:0 10px 28px rgba(17,20,19,.05);
      transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
    }
    .solution-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);border-color:rgba(25,185,135,.30)}
    .solution-card img{height:152px;width:100%;object-fit:cover;border-radius:20px}
    .solution-card h3{margin:3px 0 8px;font-size:22px;line-height:1.25;font-weight:950;letter-spacing:-.02em}
    .solution-card p{margin:0;color:var(--muted);font-size:15px}
    .card-meta{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 16px}
    .mini-badge{
      display:inline-flex;
      align-items:center;
      padding:5px 9px;
      border-radius:999px;
      background:rgba(80,227,181,.12);
      color:#0d7d5f;
      font-size:12px;
      font-weight:900;
    }
    .text-link{
      display:inline-flex;
      align-items:center;
      gap:6px;
      color:#0d7d5f;
      font-weight:950;
      font-size:14px;
    }
    .side-panel{
      position:sticky;
      top:104px;
      padding:24px;
      border-radius:var(--radius-lg);
      background:var(--ink);
      color:#fff;
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .side-panel::before{
      content:"";
      position:absolute;
      inset:-90px -70px auto auto;
      width:240px;height:240px;
      background:radial-gradient(circle,rgba(80,227,181,.28),transparent 64%);
    }
    .side-panel h3{position:relative;margin:0 0 10px;font-size:27px;line-height:1.18;font-weight:950;letter-spacing:-.03em}
    .side-panel p{position:relative;color:rgba(255,255,255,.70);margin:0 0 18px}
    .status-list{position:relative;display:grid;gap:10px;margin:20px 0}
    .status-item{
      display:flex;
      justify-content:space-between;
      gap:14px;
      padding:13px 0;
      border-bottom:1px solid rgba(255,255,255,.10);
      font-size:14px;
    }
    .status-item strong{color:var(--mint)}
    .scenario-strip{
      display:grid;
      grid-template-columns:.72fr 1fr;
      gap:24px;
      align-items:stretch;
    }
    .dark-card{
      padding:30px;
      border-radius:var(--radius-lg);
      background:var(--ink);
      color:#fff;
      min-height:360px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      box-shadow:var(--shadow);
    }
    .dark-card h2{font-size:40px;line-height:1.06;font-weight:950;letter-spacing:-.04em;margin:14px 0}
    .dark-card p{color:rgba(255,255,255,.68)}
    .scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .scenario-card{
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.70);
      border:1px solid rgba(17,20,19,.10);
      transition:transform .22s var(--ease),border-color .22s var(--ease);
    }
    .scenario-card:hover{transform:translateY(-3px);border-color:rgba(25,185,135,.32)}
    .scenario-card .num{font-size:13px;font-weight:950;color:#0d7d5f}
    .scenario-card h3{margin:10px 0 8px;font-size:20px;font-weight:950}
    .scenario-card p{margin:0;color:var(--muted);font-size:14px}
    .process{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:14px;
      counter-reset:step;
    }
    .process-card{
      position:relative;
      padding:24px;
      border-radius:24px;
      background:#fff;
      border:1px solid rgba(17,20,19,.10);
      box-shadow:0 8px 24px rgba(17,20,19,.04);
      counter-increment:step;
    }
    .process-card::before{
      content:"0" counter(step);
      display:inline-flex;
      margin-bottom:22px;
      color:var(--mint-2);
      font-size:13px;
      font-weight:950;
      letter-spacing:.08em;
    }
    .process-card h3{font-size:20px;font-weight:950;margin:0 0 8px}
    .process-card p{margin:0;color:var(--muted);font-size:14px}
    .info-band{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:24px;
      align-items:center;
      padding:28px;
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.74);
      border:1px solid rgba(17,20,19,.10);
      box-shadow:var(--shadow-soft);
    }
    .info-band img{height:360px;width:100%;object-fit:cover;border-radius:24px}
    .check-list{display:grid;gap:12px;margin:22px 0 0}
    .check-list li{
      list-style:none;
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#34413b;
    }
    .check-list li::before{
      content:"✓";
      flex:0 0 22px;
      width:22px;height:22px;
      display:grid;place-items:center;
      border-radius:50%;
      background:rgba(80,227,181,.18);
      color:#0d7d5f;
      font-size:12px;
      font-weight:950;
      margin-top:2px;
    }
    .faq-wrap{display:grid;grid-template-columns:.56fr 1fr;gap:26px;align-items:start}
    .faq-card{
      border-radius:var(--radius-lg);
      background:#fff;
      border:1px solid rgba(17,20,19,.10);
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }
    .faq-item + .faq-item{border-top:1px solid rgba(17,20,19,.08)}
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:20px;
      padding:22px;
      text-align:left;
      color:var(--ink);
      font-weight:950;
    }
    .faq-question span:last-child{
      width:28px;height:28px;border-radius:50%;
      display:grid;place-items:center;
      background:rgba(17,20,19,.06);
      transition:transform .22s var(--ease),background .22s var(--ease);
    }
    .faq-answer{
      display:none;
      padding:0 22px 22px;
      color:var(--muted);
      font-size:15px;
    }
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:rgba(80,227,181,.16)}
    .contact-card{
      padding:26px;
      border-radius:var(--radius-lg);
      background:linear-gradient(145deg,#151917,#0b0e0d);
      color:#fff;
      box-shadow:var(--shadow);
    }
    .contact-card p{color:rgba(255,255,255,.68)}
    .form-grid{display:grid;gap:12px;margin-top:18px}
    .form-grid input,.form-grid textarea{
      width:100%;
      border:1px solid rgba(255,255,255,.14);
      background:rgba(255,255,255,.08);
      color:#fff;
      border-radius:16px;
      padding:13px 14px;
      outline:none;
      transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
    }
    .form-grid input::placeholder,.form-grid textarea::placeholder{color:rgba(255,255,255,.42)}
    .form-grid input:focus,.form-grid textarea:focus{border-color:rgba(80,227,181,.62);box-shadow:0 0 0 4px rgba(80,227,181,.14)}
    .form-grid textarea{min-height:96px;resize:vertical}
    .cta{
      padding:42px;
      border-radius:34px;
      background:
        linear-gradient(120deg,rgba(17,20,19,.94),rgba(17,20,19,.78)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      color:#fff;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:28px;
      overflow:hidden;
      position:relative;
    }
    .cta::after{
      content:"";
      position:absolute;
      inset:auto -80px -100px auto;
      width:320px;height:320px;
      background:radial-gradient(circle,rgba(80,227,181,.25),transparent 66%);
    }
    .cta h2{position:relative;margin:0 0 10px;font-size:clamp(28px,3.2vw,46px);line-height:1.1;font-weight:950;letter-spacing:-.04em}
    .cta p{position:relative;max-width:650px;margin:0;color:rgba(255,255,255,.72)}
    .cta .btn{position:relative}
    .site-footer{
      padding:58px 0 28px;
      background:#111413;
      color:#fff;
      border-top:1px solid rgba(255,255,255,.10);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .75fr 1fr;
      gap:34px;
      padding-bottom:34px;
    }
    .footer-brand{font-size:22px;font-weight:950;margin-bottom:12px;letter-spacing:-.03em}
    .site-footer p{color:rgba(255,255,255,.62);margin:0;max-width:420px}
    .footer-title{font-size:14px;font-weight:950;color:var(--mint);margin-bottom:12px}
    .footer-links{display:grid;gap:9px;color:rgba(255,255,255,.66);font-size:14px}
    .footer-links a,.footer-links span{transition:color .22s var(--ease),transform .22s var(--ease)}
    .footer-links a:hover{color:#fff;transform:translateX(2px)}
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.10);
      color:rgba(255,255,255,.50);
      font-size:13px;
    }
    @media (max-width:1024px){
      .desktop-nav{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .status-pill{display:none}
      .mobile-panel.open{display:block}
      .hero-grid,.solution-layout,.scenario-strip,.faq-wrap{grid-template-columns:1fr}
      .side-panel{position:relative;top:auto}
      .process{grid-template-columns:repeat(2,1fr)}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,1180px)}
      .nav-wrap{min-height:70px}
      .brand-text strong{font-size:15px}
      .hero{padding:42px 0}
      .hero h1{font-size:42px}
      .hero-metrics{grid-template-columns:1fr}
      .section{padding:56px 0}
      .section-head{display:block}
      .section-head p{margin-top:12px}
      .solution-card{grid-template-columns:1fr}
      .solution-card img{height:210px}
      .scenario-grid,.info-band{grid-template-columns:1fr}
      .info-band img{height:260px}
      .cta{display:block;padding:30px}
      .cta .btn{margin-top:22px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .nav-actions .btn{display:none}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .brand-text span{display:none}
      .hero h1{font-size:36px;letter-spacing:-.05em}
      .hero p{font-size:15px}
      .hero-actions .btn,.cta .btn,.side-panel .btn{width:100%}
      .hero-panel,.hero-panel img{min-height:280px;height:280px}
      .filter-board{padding:14px}
      .tag{width:100%;justify-content:center}
      .process{grid-template-columns:1fr}
      .dark-card h2{font-size:32px}
      .contact-card{padding:22px}
    }