:root{
      --ink:#102b35;
      --muted:#5c7279;
      --line:#d8e8e8;
      --paper:#f5fbfa;
      --white:#fff;
      --cyan:#14b8a6;
      --teal:#087f83;
      --blue:#2864a8;
      --lime:#b4df6d;
      --deep:#123f4a;
      --shadow:0 16px 45px rgba(24,92,100,.12);
      --radius:12px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"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(1160px,calc(100% - 40px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:20;background:rgba(245,251,250,.94);border-bottom:1px solid rgba(216,232,232,.9);backdrop-filter:blur(12px)}
    .nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:11px;min-width:158px}
    .brand img{width:42px;max-height:42px;object-fit:contain}
    .brand strong{font-size:18px;letter-spacing:1px}
    .nav-links{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:wrap}
    .nav-links a{font-size:13px;color:#35565c;padding:8px 9px;white-space:nowrap;transition:color .2s,background .2s}
    .nav-links a:hover{color:var(--teal);background:#e1f3ef}
    .nav-cta,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:7px;padding:12px 19px;background:var(--teal);color:#fff;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
    .nav-cta{margin-left:10px;padding:10px 15px;font-size:13px}
    .button:hover,.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(8,127,131,.22);background:#076a70}
    .button.secondary{background:#dff3ee;color:var(--teal)}
    .menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:7px;padding:8px 11px;font-size:18px}
    .hero{position:relative;overflow:hidden;padding:86px 0 72px;background:linear-gradient(135deg,#effcf8 0%,#d8f3ef 58%,#e7f5ff 100%);border-bottom:1px solid #cfe9e5}
    .hero:before,.hero:after{content:"";position:absolute;border:1px solid rgba(20,184,166,.22);transform:rotate(30deg);pointer-events:none}
    .hero:before{width:420px;height:420px;right:-110px;top:-175px;border-radius:48px}
    .hero:after{width:180px;height:180px;left:-80px;bottom:-80px;border-radius:50%}
    .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;align-items:center;gap:64px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-weight:800;font-size:13px;letter-spacing:1.5px}
    .eyebrow:before{content:"";width:26px;height:2px;background:var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1{font-size:clamp(38px,5.2vw,68px);line-height:1.12;letter-spacing:-1px;margin:18px 0 22px;max-width:680px}
    .hero-copy{font-size:18px;color:#45656b;max-width:610px}
    .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
    .hero-panel{position:relative;padding:28px;background:#fff;border:1px solid #c8e5e0;border-radius:14px;box-shadow:var(--shadow)}
    .hero-panel:after{content:"";position:absolute;right:20px;top:20px;width:11px;height:11px;border-radius:50%;background:var(--lime);box-shadow:-22px 0 var(--cyan),-44px 0 #6ea9d7}
    .hero-panel h3{font-size:22px;margin:5px 0 18px}
    .signal-list{display:grid;gap:13px}
    .signal{display:flex;align-items:center;gap:12px;padding:13px 14px;border:1px solid #e1eeee;border-radius:8px;background:#f8fcfb}
    .signal b{display:block;font-size:14px}.signal span{display:block;color:var(--muted);font-size:12px}
    .signal-mark{width:28px;height:28px;border-radius:7px;background:#d9f3ed;color:var(--teal);display:grid;place-items:center;font-weight:800}
    .section{padding:82px 0}
    .section.alt{background:#eaf6f4}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}
    .section-head h2{font-size:clamp(28px,3.4vw,42px);line-height:1.2;margin:8px 0 0}
    .section-head p{max-width:520px;color:var(--muted);margin-bottom:2px}
    .kicker{font-size:12px;color:var(--teal);font-weight:800;letter-spacing:1.8px}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
    .stat{padding:24px;background:#fff;border-left:3px solid var(--cyan);box-shadow:0 8px 22px rgba(36,104,110,.07)}
    .stat strong{display:block;font-size:30px;color:var(--teal);line-height:1.2}.stat span{font-size:13px;color:var(--muted)}
    .intro{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start}
    .intro p{color:var(--muted);font-size:16px}
    .principles{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .principle{padding:18px 20px;background:#fff;border-top:2px solid #8bd8ca}
    .principle strong{display:block;margin-bottom:4px}.principle span{font-size:13px;color:var(--muted)}
    .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .service{padding:23px;background:#fff;border:1px solid #d7e9e7;border-radius:var(--radius);transition:transform .25s,box-shadow .25s}
    .service:hover,.case:hover,.review:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .service .num{color:var(--cyan);font-weight:800;font-size:13px}.service h3{font-size:19px;margin:9px 0 7px}.service p{font-size:13px;color:var(--muted);margin:0}
    .workflow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid #b8dcd7}
    .step{padding:24px 18px 12px;border-right:1px solid #c5dfdc;position:relative}.step:last-child{border-right:0}
    .step b{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--teal);color:#fff;font-size:13px;margin-bottom:17px}
    .step h3{font-size:16px;margin-bottom:7px}.step p{font-size:13px;color:var(--muted)}
    .band{background:var(--deep);color:#fff}.band .section-head p,.band .section-head{color:#d1ebea}.band .kicker{color:#8be5d2}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag{padding:8px 13px;border:1px solid rgba(174,230,220,.35);color:#d8f5ef;border-radius:5px;font-size:13px}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .case{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);transition:transform .25s,box-shadow .25s}
    .case-media{aspect-ratio:16/9;background:#e4f3f0;overflow:hidden}.case-media img{width:100%;height:100%;object-fit:cover}
    .case-body{padding:18px}.case-body h3{margin:0 0 6px}.case-body p{font-size:13px;color:var(--muted);margin:0}
    .compare-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:10px}
    table{width:100%;min-width:740px;border-collapse:collapse}th,td{padding:16px 18px;text-align:left;border-bottom:1px solid #e2eeee;font-size:14px}th{background:#dff4ef;color:var(--deep)}tr:last-child td{border-bottom:0}.good{color:var(--teal);font-weight:700}
    .score{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px;padding:24px;background:#fff;border-left:5px solid var(--cyan);box-shadow:0 8px 20px rgba(36,104,110,.08)}.score strong{font-size:35px;color:var(--teal)}.stars{color:#e3a82f;letter-spacing:3px;font-size:23px}
    .network{display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:start}.network-box{padding:26px;background:#fff;border-radius:10px;border:1px solid var(--line)}.network-box h3{margin-bottom:10px}.network-box p{color:var(--muted);font-size:14px}
    .review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.review{padding:22px;background:#fff;border:1px solid var(--line);transition:transform .25s,box-shadow .25s}.review p{font-size:14px;color:#405d63}.review footer{font-size:12px;color:var(--teal);font-weight:700}
    .faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 22px}.faq{background:#fff;border:1px solid var(--line);border-radius:8px;padding:0 18px}.faq summary{cursor:pointer;padding:16px 0;font-weight:700;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";float:right;color:var(--teal);font-size:20px}.faq[open] summary:after{content:"−"}.faq p{font-size:13px;color:var(--muted);padding:0 0 16px;margin:0}
    .article-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.article{padding:18px;background:#fff;border-bottom:3px solid #97dbcf}.article span{font-size:11px;color:var(--teal)}.article h3{font-size:15px;line-height:1.45;margin:8px 0 0}
    .contact-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:36px;align-items:start}.contact-info{padding:26px;background:var(--deep);color:#fff;border-radius:10px}.contact-info p{color:#cae6e2;font-size:14px}.contact-info a{color:#9be8d8}.contact-info h3{font-size:26px}.qr{margin-top:20px;width:132px;padding:8px;background:#fff}.form{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{display:grid;gap:6px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:700}.field input,.field select,.field textarea{width:100%;padding:12px 13px;border:1px solid #c9dfdc;border-radius:6px;background:#fff;color:var(--ink);font:inherit;outline:none}.field textarea{min-height:120px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(20,184,166,.12)}
    .footer{background:#10343c;color:#d4ebe8;padding:44px 0 24px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:30px}.footer h3{color:#fff;margin:0 0 13px}.footer p,.footer a{font-size:13px;color:#b5d7d2}.footer a:hover{color:#8be5d2}.footer-links{display:flex;flex-wrap:wrap;gap:9px 17px}.copyright{border-top:1px solid rgba(210,240,235,.2);margin-top:32px;padding-top:18px;font-size:12px;color:#9bc2bd}
    .float-contact{position:fixed;right:18px;bottom:20px;z-index:10;background:var(--teal);color:#fff;border-radius:50%;width:54px;height:54px;display:grid;place-items:center;box-shadow:0 8px 20px rgba(8,127,131,.3);font-weight:800;font-size:13px}
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .65s ease,transform .65s ease}.reveal.visible{opacity:1;transform:none}
    @media(max-width:1050px){.nav-links a{padding:7px 5px;font-size:12px}.nav-cta{padding:9px 10px}.hero-grid{gap:34px}.article-grid{grid-template-columns:repeat(3,1fr)}}
    @media(max-width:780px){.container{width:min(100% - 28px,620px)}.nav{min-height:66px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:14px;right:14px;top:66px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:10px;align-items:stretch}.nav-links.open{display:flex;flex-direction:column}.nav-links a{padding:10px 12px}.nav-cta{margin:6px 0 0}.hero{padding:58px 0 52px}.hero-grid,.intro,.network,.contact-grid{grid-template-columns:1fr}.hero-panel{margin-top:8px}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:14px}.stats{grid-template-columns:1fr 1fr}.service-grid,.case-grid,.review-grid{grid-template-columns:1fr 1fr}.workflow{grid-template-columns:1fr 1fr;border-top:0;gap:0}.step{border-right:0;border-top:1px solid #b8dcd7}.faq-grid{grid-template-columns:1fr}.article-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}}
    @media(max-width:480px){h1{font-size:39px}.stats,.service-grid,.case-grid,.review-grid,.article-grid,.footer-grid{grid-template-columns:1fr}.principles{grid-template-columns:1fr}.workflow{grid-template-columns:1fr}.form{grid-template-columns:1fr}.field.full{grid-column:auto}.score{display:block}.score strong{display:block;margin-top:8px}}
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.reveal{opacity:1;transform:none}}