:root {
      --ink:#17233d;
      --muted:#61708c;
      --paper:#fffdf8;
      --blue:#3159e8;
      --cyan:#20b9c5;
      --yellow:#ffd75e;
      --coral:#ff806b;
      --green:#52b788;
      --line:#e8e8e3;
      --soft:#f4f6fb;
      --shadow:0 16px 36px rgba(34,48,91,.10);
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;height:auto;display:block}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(255,253,248,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(232,232,227,.9)}
    .header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;flex:none;font-weight:800;font-size:20px}
    .brand img{width:42px;height:42px;object-fit:contain}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 10px;font-size:20px;cursor:pointer}
    .nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#40506f;padding:8px 10px;transition:.2s}
    .nav-links a:hover{color:var(--blue);background:#eef2ff}
    .nav-cta{background:var(--blue)!important;color:#fff!important;border-radius:8px;margin-left:8px}
    .hero{position:relative;overflow:hidden;padding:92px 0 76px;background:linear-gradient(135deg,#fffdf8 0%,#f7f9ff 58%,#e8fbf7 100%)}
    .hero:before,.hero:after{content:"";position:absolute;border:2px solid rgba(49,89,232,.13);transform:rotate(-9deg);pointer-events:none}
    .hero:before{width:190px;height:190px;right:7%;top:42px;border-radius:44% 56% 62% 38%;background:rgba(255,215,94,.2)}
    .hero:after{width:130px;height:90px;left:-20px;bottom:30px;border-radius:48% 52% 40% 60%;background:rgba(255,128,107,.16)}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:60px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:14px;font-weight:800;letter-spacing:.04em}
    .eyebrow:before{content:"";width:28px;height:8px;background:var(--coral);border-radius:70% 30% 60% 40%;transform:rotate(-7deg)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,6vw,70px);line-height:1.08;letter-spacing:0;margin:20px 0;color:var(--ink);max-width:720px}
    .hero-copy{font-size:19px;color:#52617c;max-width:650px}
    .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:8px;border:1px solid transparent;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
    .btn:hover{transform:translateY(-3px);box-shadow:0 10px 20px rgba(49,89,232,.16)}
    .btn-primary{background:var(--blue);color:#fff}
    .btn-secondary{background:#fff;color:var(--ink);border-color:#dfe3eb}
    .hero-board{position:relative;padding:24px;background:#fff;border:1px solid #e8eaf2;box-shadow:var(--shadow);transform:rotate(2deg)}
    .hero-board:after{content:"";position:absolute;inset:12px -11px -11px 12px;border:2px solid var(--yellow);z-index:-1;transform:rotate(-4deg)}
    .board-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:15px;margin-bottom:20px}
    .board-title{font-weight:800}
    .board-status{font-size:12px;color:#347957;background:#e4f7eb;padding:4px 8px;border-radius:20px}
    .gantt-row{display:grid;grid-template-columns:96px 1fr;gap:12px;align-items:center;margin:15px 0;font-size:13px}
    .gantt-label{color:#586680}
    .gantt-track{height:17px;background:#f0f2f7;border-radius:20px;overflow:hidden}
    .gantt-bar{height:100%;border-radius:20px}
    .bar-a{width:42%;background:var(--blue)}
    .bar-b{width:65%;background:var(--coral)}
    .bar-c{width:78%;background:var(--cyan)}
    .bar-d{width:50%;background:var(--yellow)}
    .section{padding:86px 0}
    .section-tint{background:#f5f7fc}
    .section-head{max-width:700px;margin-bottom:35px}
    .section-head h2{font-size:clamp(28px,4vw,46px);line-height:1.2;margin:10px 0 14px}
    .section-head p{color:var(--muted);font-size:17px}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:44px}
    .stat{padding:24px;background:#fff;border:1px solid var(--line);border-top:5px solid var(--blue)}
    .stat:nth-child(2){border-top-color:var(--coral)}.stat:nth-child(3){border-top-color:var(--cyan)}.stat:nth-child(4){border-top-color:var(--yellow)}
    .stat strong{display:block;font-size:34px;line-height:1.2}.stat span{color:var(--muted);font-size:14px}
    .intro-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
    .intro-text p{font-size:17px;color:#52617c}
    .scribble-note{padding:25px;background:#fff3c5;border:2px solid #f2d65d;transform:rotate(-2deg);box-shadow:5px 8px 0 rgba(255,128,107,.16)}
    .scribble-note strong{font-size:25px;display:block;margin-bottom:8px}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .service{padding:25px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 20px rgba(38,53,91,.05);transition:.25s}
    .service:hover,.review:hover,.case:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .service-icon{display:grid;place-items:center;width:42px;height:42px;background:#e9eeff;color:var(--blue);font-weight:800;border-radius:12px;margin-bottom:15px}
    .service h3{font-size:19px;margin-bottom:7px}.service p{color:var(--muted);font-size:14px;margin-bottom:0}
    .split{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
    .process{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
    .step{position:relative;padding:22px 18px;background:#fff;border-bottom:4px solid var(--cyan)}
    .step:nth-child(2){border-bottom-color:var(--coral)}.step:nth-child(3){border-bottom-color:var(--yellow)}.step:nth-child(4){border-bottom-color:var(--blue)}.step:nth-child(5){border-bottom-color:var(--green)}
    .step b{font-size:30px;color:var(--blue);display:block;line-height:1;margin-bottom:14px}
    .step h3{font-size:17px;margin-bottom:6px}.step p{color:var(--muted);font-size:14px;margin:0}
    .solution-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .solution{padding:17px 18px;background:#fff;border-left:5px solid var(--coral);border-radius:0 8px 8px 0}
    .solution strong{display:block}.solution span{font-size:13px;color:var(--muted)}
    .network{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 13px;background:#fff;border:1px solid #dfe5f0;color:#445476;border-radius:30px;font-size:14px}
    .tag:nth-child(3n){background:#fff3c5;border-color:#f2d65d}.tag:nth-child(4n){background:#e3f8f5;border-color:#98ddd0}
    .media-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
    .media-frame{background:#fff;padding:12px;border:1px solid var(--line)}
    .media-frame img{width:100%;aspect-ratio:16/8;object-fit:cover}
    .media-stack{display:grid;gap:18px}.media-stack img{width:100%;aspect-ratio:16/9;object-fit:cover}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .case{background:#fff;border:1px solid var(--line);overflow:hidden;transition:.25s}
    .case img{width:100%;aspect-ratio:16/9;object-fit:cover}
    .case-body{padding:20px}.case-body h3{margin-bottom:6px}.case-body p{font-size:14px;color:var(--muted);margin:0}
    .score-panel{display:grid;grid-template-columns:240px 1fr;gap:30px;align-items:center;background:#17233d;color:#fff;padding:30px}
    .score{text-align:center;border-right:1px solid rgba(255,255,255,.18)}.score strong{font-size:54px;color:var(--yellow);line-height:1}.score p{margin:10px 0 0;color:#d6def1}
    .stars{color:var(--yellow);font-size:22px;letter-spacing:2px}
    .table-wrap{overflow-x:auto;margin-top:24px}.compare{width:100%;border-collapse:collapse;background:#fff;min-width:680px}.compare th,.compare td{text-align:left;padding:15px;border-bottom:1px solid var(--line)}.compare th{background:#eef2ff;color:var(--blue)}.compare td:nth-child(2){font-weight:700;color:#216a55}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.price{background:#fff;padding:25px;border-top:5px solid var(--blue);border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.price:nth-child(2){border-top-color:var(--coral)}.price:nth-child(3){border-top-color:var(--green)}.price h3{margin-bottom:8px}.price p{color:var(--muted);font-size:14px}.price strong{font-size:25px}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.review{background:#fff;padding:22px;border:1px solid var(--line);transition:.25s}.review p{font-size:15px;color:#4d5d78}.review cite{font-style:normal;font-weight:800;font-size:14px}
    .faq-list{display:grid;gap:10px;max-width:900px}.faq{background:#fff;border:1px solid var(--line)}.faq button{width:100%;display:flex;justify-content:space-between;gap:20px;text-align:left;background:none;border:0;padding:18px 20px;font:inherit;font-weight:700;color:var(--ink);cursor:pointer}.faq button span:last-child{color:var(--blue);font-size:22px}.faq-answer{display:none;padding:0 20px 18px;color:var(--muted);font-size:14px}.faq.open .faq-answer{display:block}.faq.open button span:last-child{transform:rotate(45deg)}
    .article-list{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.article{padding:17px;background:#fff;border:1px solid var(--line);min-height:130px}.article b{font-size:15px}.article span{display:block;color:var(--muted);font-size:12px;margin-top:9px}
    .form-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start}.contact-points{display:grid;gap:13px}.contact-point{padding:15px 18px;background:#fff;border-left:4px solid var(--cyan)}.contact-point b{display:block}.contact-point span{color:var(--muted);font-size:14px}.form{background:#fff;padding:26px;border:1px solid var(--line);box-shadow:var(--shadow)}.field-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:14px;font-weight:700}.field input,.field select,.field textarea{font:inherit;border:1px solid #dfe4ed;padding:11px 12px;border-radius:6px;color:var(--ink);background:#fff}.field textarea{min-height:130px;resize:vertical}.form .btn{margin-top:18px}
    .join{background:#e9f7f4;border-top:1px solid #c9ebe3}.join-grid{display:flex;justify-content:space-between;align-items:center;gap:25px}.join h2{margin-bottom:8px}.join p{color:var(--muted);margin:0}
    .footer{background:#17233d;color:#e9eef9;padding:42px 0 22px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:30px}.footer h3{color:#fff;margin-bottom:10px}.footer p,.footer a{color:#bfc9df;font-size:14px}.footer-links{display:flex;flex-wrap:wrap;gap:8px 16px}.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:30px;padding-top:18px;color:#aeb9d0;font-size:13px}
    .float-tools{position:fixed;right:20px;bottom:22px;z-index:15;display:grid;gap:8px}.float-tools a,.top-btn{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(49,89,232,.25);font-size:13px;font-weight:700}.top-btn{border:0;cursor:pointer;display:none}
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}.reveal.visible{opacity:1;transform:none}
    @media(max-width:1000px){.nav-links a{padding:8px 6px;font-size:13px}.hero-grid,.intro-grid,.media-grid,.form-layout{grid-template-columns:1fr}.hero-board{max-width:600px}.stats{grid-template-columns:repeat(2,1fr)}.process{grid-template-columns:repeat(3,1fr)}.article-list{grid-template-columns:repeat(3,1fr)}}
    @media(max-width:760px){.container{width:min(100% - 28px,var(--container))}.site-header{position:relative}.header-inner{min-height:68px}.nav-toggle{display:block}.nav-links{display:none;position:absolute;left:14px;right:14px;top:68px;padding:10px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);justify-content:flex-start}.nav-links.open{display:grid;grid-template-columns:repeat(2,1fr)}.nav-links a{padding:10px}.nav-cta{margin-left:0}.hero{padding:62px 0 58px}h1{font-size:42px}.section{padding:62px 0}.service-grid,.case-grid,.review-grid,.price-grid{grid-template-columns:1fr 1fr}.split,.solution-list{grid-template-columns:1fr}.process{grid-template-columns:1fr 1fr}.score-panel{grid-template-columns:1fr}.score{border-right:0;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:22px}.article-list{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.join-grid{display:grid}.field-grid{grid-template-columns:1fr}.field.full{grid-column:auto}}
    @media(max-width:480px){.stats,.service-grid,.case-grid,.review-grid,.price-grid,.process,.article-list{grid-template-columns:1fr}.actions .btn{width:100%}.hero-board{padding:17px}.gantt-row{grid-template-columns:72px 1fr;font-size:12px}.float-tools{right:12px}.section-head h2{font-size:32px}}