:root{--color-bg:#f7f9fc;--color-surface:#fff;--color-text:#101828;--color-muted:#475467;--color-subtle:#667085;--color-brand:#0f766e;--color-action:#2563eb;--color-proof:#d97706;--color-border:#e4e7ec;--shadow-card:0 8px 24px #1018280f;--shadow-popover:0 16px 40px #10182829;--radius-card:8px;--container:1200px;color:var(--color-text);background:var(--color-bg);letter-spacing:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--color-text);background:var(--color-bg);margin:0}body,button,input,textarea{font:inherit}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-header{z-index:50;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffeb;border-bottom:1px solid #e4e7eccc;position:sticky;top:0}.header-inner,.container{width:min(var(--container), calc(100% - 40px));margin:0 auto}.header-inner{justify-content:space-between;align-items:center;gap:24px;min-height:72px;display:flex}.brand{color:var(--color-text);align-items:center;gap:12px;font-weight:800;display:inline-flex}.brand img{object-fit:contain;width:72px;height:48px}.brand span{white-space:nowrap}.nav{color:var(--color-muted);align-items:center;gap:22px;font-size:15px;display:flex}.nav a:hover{color:var(--color-action)}.header-call{background:var(--color-action);color:#fff;border-radius:6px;align-items:center;min-height:40px;padding:0 16px;font-weight:700;display:inline-flex}.hero-slider{background:#0b1727;min-height:680px;position:relative;overflow:hidden}.hero-slide{opacity:0;transition:opacity .65s;position:absolute;inset:0}.hero-slide.is-active{opacity:1;z-index:1}.hero-slide__media{z-index:0;position:absolute;inset:0}.hero-slide__media img{object-fit:cover;object-position:center;filter:saturate(.96);width:100%;height:100%}.hero-slide:after{content:"";z-index:1;background:linear-gradient(90deg,#050d1ad1 0%,#050d1a9e 42%,#050d1a2e 100%),linear-gradient(#050d1a14,#050d1a6b);position:absolute;inset:0}.hero-content{z-index:2;align-items:center;min-height:680px;display:flex;position:relative}.hero-copy{color:#fff;width:min(680px,100%)}.eyebrow{color:#b7f7e8;margin:0 0 18px;font-size:15px;font-weight:700}.hero-copy h1,.hero-copy .hero-title{letter-spacing:0;margin:0;font-size:clamp(34px,5vw,56px);line-height:1.08}.hero-copy p{color:#ffffffdb;max-width:660px;margin:22px 0 0;font-size:18px;line-height:1.75}.proof-row{flex-wrap:wrap;gap:10px;margin-top:28px;display:flex}.proof-row span{color:#ffffffeb;background:#ffffff17;border:1px solid #ffffff38;border-radius:6px;padding:8px 12px}.action-row{flex-wrap:wrap;gap:12px;margin-top:34px;display:flex}.button{border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;min-height:46px;padding:0 20px;font-weight:800;display:inline-flex}.button-primary{background:var(--color-action);color:#fff}.button-secondary{color:#fff;background:#ffffff14;border-color:#ffffff75}.slider-controls{z-index:3;width:min(var(--container), calc(100% - 40px));justify-content:space-between;align-items:center;gap:24px;display:flex;position:absolute;bottom:28px;left:50%;transform:translate(-50%)}.slider-lines{grid-template-columns:repeat(4,minmax(44px,96px));gap:8px;display:grid}.slider-lines button{cursor:pointer;background:#ffffff57;border:0;height:3px;padding:0}.slider-lines button.is-active{background:#fff}.slider-arrows{gap:8px;display:flex}.slider-arrows button{color:#fff;cursor:pointer;background:#ffffff14;border:1px solid #ffffff6b;border-radius:6px;width:42px;height:42px}.section{padding:86px 0}.section-white{background:var(--color-surface)}.section-head{max-width:780px;margin-bottom:34px}.section-head h2{margin:0;font-size:clamp(26px,3vw,36px);line-height:1.2}.section-head p{color:var(--color-muted);margin:14px 0 0;font-size:17px;line-height:1.75}.grid{gap:18px;display:grid}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-surface);box-shadow:var(--shadow-card);overflow:hidden}.card-body{padding:24px}.card h3{margin:0;font-size:20px}.card p{color:var(--color-muted);margin:12px 0 0;line-height:1.75}.card a{color:var(--color-action);margin-top:18px;font-weight:800;display:inline-flex}.service-card{min-height:236px}.card-icon{width:42px;height:42px;color:var(--color-brand);background:#e8f7f4;border-radius:8px;place-items:center;margin-bottom:18px;font-weight:900;display:grid}.feature-band{grid-template-columns:1.05fr .95fr;align-items:center;gap:34px;display:grid}.feature-list{gap:14px;display:grid}.feature-item{border:1px solid var(--color-border);background:#fff;border-radius:8px;gap:14px;padding:18px;display:flex}.feature-item strong{margin-bottom:6px;display:block}.feature-item p{color:var(--color-muted);margin:0;line-height:1.65}.image-panel{border:1px solid var(--color-border);background:linear-gradient(135deg,#0f766e21,#2563eb1a),#fff;border-radius:8px;place-items:center;min-height:360px;padding:24px;display:grid}.image-panel img{object-fit:contain;max-height:320px}.page-hero{border-bottom:1px solid var(--color-border);background:linear-gradient(135deg,#0f766e1f,#2563eb1a),#fff;padding:78px 0 58px}.breadcrumb{color:var(--color-subtle);margin-bottom:16px;font-size:14px}.page-hero h1{margin:0;font-size:clamp(32px,4vw,48px);line-height:1.15}.page-hero p{max-width:820px;color:var(--color-muted);margin:18px 0 0;font-size:18px;line-height:1.75}.content-flow{gap:26px;display:grid}.content-flow h2{margin:0 0 12px;font-size:28px}.content-flow p,.content-flow li{color:var(--color-muted);line-height:1.78}.tag-list{flex-wrap:wrap;gap:10px;margin:18px 0 0;padding:0;list-style:none;display:flex}.tag-list li{color:#1d4ed8;background:#eef7ff;border-radius:6px;padding:8px 12px;font-weight:700}.faq-list{gap:12px;display:grid}.faq-item{border:1px solid var(--color-border);background:#fff;border-radius:8px;padding:20px}.faq-item h3{margin:0 0 8px;font-size:18px}.faq-item p{color:var(--color-muted);margin:0;line-height:1.75}.area-columns{columns:2;column-gap:28px}.area-columns p{break-inside:avoid}.site-footer{color:#fff;background:#101828;padding:46px 0 30px}.footer-grid{grid-template-columns:1.2fr .8fr .8fr;gap:28px;display:grid}.site-footer p,.site-footer a{color:#ffffffb8;line-height:1.7}.footer-bottom{text-align:center;color:#ffffffad;border-top:1px solid #ffffff1f;margin-top:28px;padding-top:22px;font-size:14px}.contact-widget{z-index:90;align-items:flex-end;gap:12px;display:flex;position:fixed;bottom:108px;right:24px}.contact-rail{gap:8px;display:grid}.rail-button{border:1px solid var(--color-border);width:48px;height:48px;box-shadow:var(--shadow-card);color:var(--color-text);cursor:pointer;background:#fff;border-radius:8px;font-weight:900}.rail-button-primary{background:var(--color-action);color:#fff;border-color:var(--color-action)}.contact-panel{border:1px solid var(--color-border);width:min(380px,100vw - 104px);max-height:min(680px,100vh - 120px);box-shadow:var(--shadow-popover);background:#fff;border-radius:8px;overflow:hidden}.panel-head{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:16px 18px;display:flex}.panel-head button{cursor:pointer;background:#f2f4f7;border:0;border-radius:6px;width:32px;height:32px}.ai-panel,.qrcode-panel,.phone-panel{padding:18px}.panel-muted,.panel-note{color:var(--color-muted);margin:0 0 14px;font-size:14px;line-height:1.6}.preset-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.preset-grid button{border:1px solid var(--color-border);min-height:38px;color:var(--color-muted);cursor:pointer;background:#f8fafc;border-radius:6px}.panel-shortcuts{display:none}.message-list{background:#f7f9fc;border-radius:8px;align-content:start;gap:10px;height:220px;margin:14px 0;padding:12px;display:grid;overflow:auto}.message{border-radius:8px;padding:10px 12px;font-size:14px;line-height:1.55}.message-user{background:var(--color-action);color:#fff;justify-self:end;max-width:84%}.message-assistant{border:1px solid var(--color-border);background:#fff;justify-self:start;max-width:88%}.chat-form{grid-template-columns:1fr 72px;gap:8px;display:grid}.chat-form input{border:1px solid var(--color-border);border-radius:6px;min-width:0;height:42px;padding:0 12px}.chat-form button{background:var(--color-action);color:#fff;border:0;border-radius:6px;font-weight:800}.qrcode-panel{text-align:center}.qrcode-panel img{width:168px;height:168px;margin:0 auto 12px}.qrcode-panel p{margin:0;font-weight:800}.qrcode-panel span,.phone-panel p{color:var(--color-muted);margin-top:8px;line-height:1.6;display:block}.phone-panel{gap:10px;display:grid}.phone-panel a{color:#1d4ed8;background:#eef7ff;border-radius:6px;justify-content:center;align-items:center;min-height:44px;font-size:20px;font-weight:900;display:flex}@media (width<=920px){.header-inner{align-items:flex-start;min-height:auto;padding:14px 0}.nav{display:none}.hero-slider,.hero-content{min-height:590px}.hero-copy p{font-size:16px}.slider-controls{bottom:20px}.grid-3,.grid-2,.feature-band,.footer-grid{grid-template-columns:1fr}.section{padding:54px 0}.area-columns{columns:1}.contact-widget{align-items:flex-end;bottom:16px;right:6px}.contact-panel{width:auto;max-height:calc(100vh - 32px);position:fixed;bottom:16px;left:12px;right:60px}.contact-rail{grid-template-columns:none;grid-auto-flow:row}.rail-button{width:42px;height:42px}.contact-rail .rail-button:not(.rail-button-primary){display:none}.preset-grid{grid-template-columns:1fr}.panel-shortcuts{grid-template-columns:1fr 1fr;gap:8px;margin-top:8px;display:grid}.panel-shortcuts button{border:1px solid var(--color-border);min-height:38px;color:var(--color-action);background:#fff;border-radius:6px;font-weight:800}.header-call{display:none}}