:root{color-scheme:dark;--bg:#10101b;--panel:#191927;--panel-2:#202033;--ink:#f7f4fb;--muted:#b7b2c5;--pink:#ff4f9a;--violet:#a98aff;--cyan:#63e2de;--line:rgba(255,255,255,.12);--content:1160px}
    *{box-sizing:border-box}
    html{scroll-behavior:smooth;scroll-padding-top:88px}
    body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button,a{-webkit-tap-highlight-color:transparent}
    img{max-width:100%;height:auto}
    .container{width:min(var(--content),calc(100% - 40px));margin-inline:auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(16,16,27,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
    .nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:750}
    .brand img{width:38px;height:38px;object-fit:contain}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:wrap}
    .nav-links a{font-size:12px;color:var(--muted);padding:7px 8px;transition:color .2s}
    .nav-links a:hover,.nav-links a:focus-visible{color:var(--ink)}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 17px;border:1px solid transparent;border-radius:5px;background:linear-gradient(110deg,var(--pink),#c14bf0);color:#190d1b;font-weight:750;transition:transform .2s,filter .2s}
    .nav-cta{white-space:nowrap;font-size:14px}
    .button:hover,.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.08)}
    .button.secondary{background:transparent;border-color:rgba(255,255,255,.25);color:var(--ink)}
    .menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--ink);padding:8px 10px;border-radius:5px}
    .hero{position:relative;overflow:hidden;padding:78px 0 62px;background:linear-gradient(125deg,#171322 0%,#21142b 54%,#141925 100%);border-bottom:1px solid var(--line)}
    .hero:before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.25;background:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,#000,transparent)}
    .hero-inner{position:relative;max-width:850px}
    .eyebrow{display:inline-flex;align-items:center;gap:9px;color:#ffd1e5;font-size:13px;font-weight:700}
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--pink)}
    h1{max-width:780px;margin:18px 0 16px;font-size:clamp(38px,6vw,70px);line-height:1.12;letter-spacing:0}
    .hero p{max-width:660px;margin:0;color:#d0c9d9;font-size:18px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:27px}
    .hero-note{margin-top:18px;color:#aaa2b8;font-size:13px}
    .hero-visual{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:42px;max-width:810px}
    .signal{padding:16px 18px;border-left:2px solid var(--pink);background:rgba(255,255,255,.045)}
    .signal:nth-child(2){border-color:var(--violet)}.signal:nth-child(3){border-color:var(--cyan)}
    .signal strong{display:block;font-size:16px}.signal span{display:block;margin-top:4px;color:var(--muted);font-size:13px}
    main{overflow:hidden}
    .section{padding:76px 0;border-bottom:1px solid var(--line)}
    .section.tint{background:linear-gradient(180deg,rgba(255,79,154,.045),rgba(169,138,255,.035))}
    .section-head{max-width:760px;margin-bottom:30px}
    .kicker{color:var(--cyan);font-size:12px;font-weight:750;text-transform:uppercase}
    h2{margin:8px 0 10px;font-size:clamp(27px,4vw,40px);line-height:1.2;letter-spacing:0}
    h3{margin:0 0 8px;font-size:18px;line-height:1.4}
    .section-head p,.lead{margin:0;color:var(--muted)}
    .intro-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:start}
    .intro-copy p{color:var(--muted);margin:0 0 15px}
    .capability-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px;border-top:1px solid var(--line)}
    .capability-list div{padding:15px 0;border-bottom:1px solid var(--line)}
    .capability-list strong{display:block;font-size:15px}.capability-list span{display:block;color:var(--muted);font-size:13px}
    .service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .service{min-height:144px;padding:20px;border:1px solid var(--line);background:var(--panel);transition:transform .2s,border-color .2s}
    .service:hover,.service:focus-within{transform:translateY(-3px);border-color:rgba(255,79,154,.55)}
    .service p{margin:0;color:var(--muted);font-size:14px}
    .service .tag{display:inline-block;margin-bottom:12px;color:var(--cyan);font-size:12px}
    .service-wide{grid-column:span 2}
    .platforms{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
    .platforms span{padding:6px 10px;border:1px solid var(--line);color:#ddd7e8;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
    .step{padding:22px 18px 0 0}.step b{display:block;color:var(--pink);font-size:13px}.step h3{margin-top:10px}.step p{margin:0;color:var(--muted);font-size:14px}
    .scenario-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px}
    .scenario{display:flex;gap:15px;padding:18px 0;border-bottom:1px solid var(--line)}
    .scenario-mark{flex:0 0 34px;width:34px;height:34px;display:grid;place-items:center;background:rgba(169,138,255,.15);color:#d4c4ff;font-size:13px}
    .scenario p{margin:0;color:var(--muted);font-size:14px}
    .compare-wrap{overflow-x:auto;border:1px solid var(--line)}
    table{width:100%;border-collapse:collapse;min-width:720px;background:var(--panel)}
    th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
    th{color:#f7d8e8;font-size:14px;background:rgba(255,79,154,.08)}
    td{color:var(--muted);font-size:14px}td:first-child{color:var(--ink);font-weight:650}
    .rating{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:20px;padding:20px 22px;border:1px solid rgba(255,79,154,.42);background:linear-gradient(100deg,rgba(255,79,154,.13),rgba(169,138,255,.08))}
    .rating strong{font-size:22px}.rating-score{color:#ffd06c;font-weight:800}
    .cases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .case{overflow:hidden;background:var(--panel);border:1px solid var(--line)}
    .case img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
    .case-body{padding:17px}.case-body p{margin:0;color:var(--muted);font-size:14px}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    blockquote{margin:0;padding:20px;background:var(--panel);border-top:2px solid var(--violet)}
    blockquote p{margin:0 0 16px;color:#e7e2ed;font-size:14px}
    blockquote footer{color:var(--muted);font-size:13px}
    .article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .article{padding:17px;border:1px solid var(--line);background:rgba(255,255,255,.025)}
    .article span{color:var(--cyan);font-size:12px}.article h3{margin:8px 0;font-size:16px}
    .article a:hover{color:#ffd0e5}
    .match-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start}
    .contact-info{border-top:1px solid var(--line)}
    .contact-row{padding:14px 0;border-bottom:1px solid var(--line)}
    .contact-row strong{display:block;font-size:14px}.contact-row span,.contact-row a{color:var(--muted);font-size:14px}
    .qr{width:150px;margin-top:16px;padding:8px;background:#fff}
    .qr img{display:block;width:100%}
    form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:grid;gap:6px}.field.full{grid-column:1/-1}
    label{color:#e6e0ee;font-size:13px}
    input,select,textarea{width:100%;padding:11px 12px;border:1px solid #454052;border-radius:3px;background:#171622;color:var(--ink)}
    input:focus,select:focus,textarea:focus{outline:2px solid rgba(255,79,154,.45);border-color:var(--pink)}
    textarea{min-height:110px;resize:vertical}
    .form-foot{grid-column:1/-1;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .form-foot small{color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line)}
    summary{position:relative;cursor:pointer;list-style:none;padding:17px 34px 17px 0;font-weight:650}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";position:absolute;right:4px;top:14px;color:var(--pink);font-size:22px;font-weight:400}
    details[open] summary:after{content:"−"}
    details p{max-width:850px;margin:0;padding:0 30px 18px 0;color:var(--muted);font-size:14px}
    .join-band{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 0}
    .join-band p{max-width:680px;margin:7px 0 0;color:var(--muted)}
    .site-footer{background:#0b0b13;color:#e9e5ee}
    .footer-main{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;padding:34px 0}
    .footer-main p{max-width:520px;color:var(--muted);font-size:14px}
    .footer-links{display:flex;flex-wrap:wrap;gap:8px 16px;align-content:start}
    .footer-links a{color:#d0c9d9;font-size:13px}
    .footer-links a:hover{color:#fff}
    .copyright{padding:15px 0;border-top:1px solid var(--line);color:#aaa3b4;font-size:12px}
    .float-contact{position:fixed;right:18px;bottom:20px;z-index:15;display:flex;flex-direction:column;gap:8px}
    .float-contact a{padding:10px 13px;background:#f2d6e4;color:#291322;font-size:13px;font-weight:750;box-shadow:0 4px 18px #0005}
    .float-contact a:last-child{background:#d7c9ff}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
    .reveal.visible{opacity:1;transform:none}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
    @media(max-width:980px){
      .nav{min-height:66px}.menu-toggle{display:inline-flex;align-items:center;gap:8px}
      .nav-links{display:none;position:absolute;top:66px;left:0;right:0;padding:12px 20px 18px;background:#12111d;border-bottom:1px solid var(--line);justify-content:flex-start}
      .nav-links.open{display:flex}.nav-links a{font-size:13px;padding:8px 10px}
      .nav-cta{margin-left:auto}.service-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media(max-width:680px){
      .container{width:min(var(--content),calc(100% - 32px))}
      .hero{padding:58px 0 42px}.hero p{font-size:16px}.hero-visual{grid-template-columns:1fr;gap:8px;margin-top:30px}
      .signal{padding:12px 15px}.section{padding:55px 0}
      .intro-grid,.match-grid,.footer-main{grid-template-columns:1fr;gap:24px}
      .service-grid,.scenario-list,.reviews,.cases,.article-grid{grid-template-columns:1fr}
      .service-wide{grid-column:auto}.steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:20px}
      .capability-list{grid-template-columns:1fr 1fr}
      .rating{align-items:flex-start;flex-direction:column}
      .join-band{align-items:flex-start;flex-direction:column}
      .nav-cta{padding:9px 11px;font-size:12px}
      form{grid-template-columns:1fr}.field.full,.form-foot{grid-column:auto}
      .float-contact{right:10px;bottom:12px}.float-contact a{padding:9px 11px;font-size:12px}
    }