/* server.css — 由 views/server.php 抽离 */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
        :root{--primary:#0052D9;--primary-hover:#0045b8;--primary-bg:#eef4ff;--text:#0f172a;--text-s:#64748b;--text-t:#94a3b8;--bg:#fff;--bg-page:#f8fafc;--border:#e2e8f0;--border-l:#f1f5f9}
        body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Helvetica Neue','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
        a{text-decoration:none;color:inherit}
        .nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-l);height:56px;display:flex;align-items:center}
        .nav-inner{max-width:100%;margin:0;padding:0 40px;width:100%;display:flex;align-items:center;height:56px}
        .nav-left{display:flex;align-items:center;flex:1;min-width:0}
        .nav-brand{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:var(--text);flex-shrink:0;margin-right:32px}
        .nav-brand img{height:32px;width:auto}
        .nav-links{display:flex;gap:24px;font-size:14px;color:var(--text-s)}.nav-links a{transition:color .2s;white-space:nowrap}.nav-links a:hover{color:var(--text)}.nav-links a.active{color:var(--primary);font-weight:500}
        .nav-actions{display:flex;gap:10px;flex-shrink:0;margin-left:auto}
        .btn-ghost{padding:7px 18px;border-radius:6px;font-size:13px;font-weight:500;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;transition:all .2s}.btn-ghost:hover{border-color:#cbd5e1;background:var(--bg-page)}
        .btn-solid{padding:7px 18px;border-radius:6px;font-size:13px;font-weight:500;border:none;background:var(--primary);color:#fff;cursor:pointer;transition:all .2s}.btn-solid:hover{background:var(--primary-hover)}
        .hero{padding:120px 32px 80px;position:relative;overflow:hidden;background:linear-gradient(135deg,#f8fafc 0%,#f0f5ff 60%,#f8fafc 100%)}
        .hero-video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:0;pointer-events:none;opacity:.45}
        .hero::before{content:'';position:absolute;top:-200px;right:-50px;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(0,82,217,.05) 0%,transparent 70%);pointer-events:none}
        .hero-inner{max-width:1200px;margin:0 auto;position:relative;z-index:2;display:flex;align-items:center;gap:60px}
        .hero-text{flex:1;max-width:640px}
        .hero-text .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:20px;font-size:12px;font-weight:500;background:rgba(0,82,217,.08);color:var(--primary);border:1px solid rgba(0,82,217,.15);margin-bottom:20px}
        .hero-text .badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--primary);animation:pulse 2s infinite}
        @keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
        .hero-text h1{font-size:38px;font-weight:700;margin-bottom:16px;line-height:1.3;color:var(--text)}
        .hero-text p{font-size:15px;color:var(--text-s);line-height:1.8;margin-bottom:28px}
        .hero-btns{display:flex;gap:12px;flex-wrap:wrap}
        .btn-hero{padding:10px 28px;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;border:none;display:inline-flex;align-items:center;gap:6px}
        .btn-hero.primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(0,82,217,.2)}.btn-hero.primary:hover{background:var(--primary-hover)}
        .btn-hero.outline{background:#fff;color:var(--text);border:1px solid var(--border)}.btn-hero.outline:hover{background:var(--bg-page)}
        .hero-visual{flex:0 0 420px}
        .hero-card{background:#fff;border-radius:16px;padding:28px;box-shadow:0 8px 40px rgba(0,0,0,.06);border:1px solid var(--border-l)}

        .spec-row{display:flex;align-items:center;padding:8px 0;font-size:13px;border-bottom:1px solid var(--border-l)}
        .spec-row:last-child{border:none}
        .spec-label{color:var(--text-s);width:60px;flex-shrink:0}
        .spec-val{color:var(--text);font-weight:500}
        .section{max-width:1200px;margin:0 auto;padding:60px 32px}
        .group-filter{background:#fff;border:1px solid var(--border);border-radius:8px;margin-bottom:24px}
        .group-row{display:flex;align-items:flex-start;padding:16px 20px;gap:16px}
        .group-row+.group-row{border-top:1px solid var(--border-l)}
        .group-label{flex-shrink:0;font-size:13px;color:var(--text-s);line-height:30px;white-space:nowrap}
        .group-tags{display:flex;gap:8px;flex-wrap:wrap}
        .group-tag{display:inline-block;padding:5px 18px;font-size:13px;border-radius:4px;border:1px solid var(--border);color:#334155;background:#fff;transition:all .15s;line-height:18px}
        .group-tag:hover{border-color:#94a3b8}
        .group-tag.active{color:var(--primary);background:var(--primary-bg);border-color:var(--primary)}
        .group-desc{font-size:12px;color:var(--text-t);margin-top:8px;line-height:1.5}
        .products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
        .srv-card{background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;transition:all .2s}
        .srv-card:hover{border-color:#bfdbfe;box-shadow:0 4px 16px rgba(0,82,217,.06)}
        .srv-card.sold-out{opacity:.55;pointer-events:none}
        .srv-card-head{padding:16px 20px;border-bottom:1px solid var(--border-l);display:flex;justify-content:space-between;align-items:center}
        .srv-card-head h4{font-size:15px;font-weight:600;color:var(--text)}
        .stock-tag{font-size:11px;padding:2px 8px;border-radius:3px}
        .stock-ok{background:#f0fdf4;color:#16a34a}
        .stock-low{background:#fffbeb;color:#d97706}
        .stock-out{background:#fef2f2;color:#dc2626}
        .srv-card-body{padding:16px 20px;flex:1}
        .srv-spec{display:flex;align-items:baseline;padding:5px 0;font-size:13px}
        .srv-spec-l{color:var(--text-s);width:56px;flex-shrink:0;letter-spacing:1px}
        .srv-spec-v{color:var(--text);font-weight:500}
        .srv-desc{font-size:12px;color:var(--text-t);line-height:1.6;margin-top:6px;padding-top:8px;border-top:1px dashed var(--border-l)}
        .srv-card-price{padding:12px 20px;border-top:1px solid var(--border-l)}
        .srv-price{font-size:22px;font-weight:700;color:#dc2626}
        .srv-price-unit{font-size:12px;color:var(--text-t);font-weight:400}
        .srv-card-action a{display:block;padding:12px;background:var(--primary);color:#fff;text-align:center;font-size:14px;font-weight:500;transition:background .15s}
        .srv-card-action a:hover{background:var(--primary-hover)}
        .srv-card-action .disabled{background:var(--bg-page);color:var(--text-t);cursor:default}
        .empty-state{text-align:center;padding:80px 20px;color:var(--text-t)}
        .empty-state svg{width:48px;height:48px;margin:0 auto 12px;display:block;color:#cbd5e1}
        .cta{text-align:center;padding:100px 32px;background:linear-gradient(180deg,#fff 0%,#f0f5ff 100%)}
        .cta h2{font-size:36px;font-weight:700;margin-bottom:16px;color:var(--text)}.cta p{font-size:16px;color:var(--text-s);margin-bottom:36px}
        .cta-btns{display:flex;gap:14px;justify-content:center}
        .btn-cta-primary{padding:14px 36px;border-radius:8px;font-size:16px;font-weight:600;border:none;background:var(--primary);color:#fff;cursor:pointer;transition:all .2s;box-shadow:0 2px 12px rgba(0,82,217,.2)}.btn-cta-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 20px rgba(0,82,217,.25)}
        .btn-cta-secondary{padding:14px 36px;border-radius:8px;font-size:16px;font-weight:600;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;transition:all .2s}.btn-cta-secondary:hover{border-color:#cbd5e1;background:var(--bg-page)}
        .trust-bar{background:#f8fafc;border-top:1px solid #e2e8f0;border-bottom:1px solid #e2e8f0;padding:40px 32px}
        .trust-bar-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
        .trust-bar-item{display:flex;align-items:flex-start;gap:14px}
        .trust-bar-item svg{width:28px;height:28px;flex-shrink:0;color:#3b82f6;margin-top:2px}
        .trust-bar-item strong{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:4px}
        .trust-bar-item span{font-size:12px;color:var(--text-s);line-height:1.6}
        .footer-wrap{background:#fff;border-top:1px solid #e2e8f0}.footer{padding:48px 32px;max-width:1200px;margin:0 auto}
        .footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
        .footer-brand p{font-size:13px;color:var(--text-s);line-height:1.7}
        .footer-col h4{font-size:13px;font-weight:600;color:var(--text-t);margin-bottom:14px;letter-spacing:.5px}
        .footer-col a{display:block;font-size:14px;color:var(--text-s);padding:4px 0;transition:color .2s}.footer-col a:hover{color:var(--text)}
        .footer-bottom{margin-top:40px;padding-top:24px;border-top:1px solid var(--border-l);font-size:13px;color:var(--text-t);text-align:center;display:flex;align-items:center;justify-content:center;gap:16px}
        .footer-icp{display:inline-flex;align-items:center;gap:6px;color:var(--text-t);text-decoration:none;transition:color .2s}.footer-icp:hover{color:var(--primary)}
        .footer-qr:hover{transform:scale(1.08);box-shadow:0 2px 12px rgba(0,0,0,.1)}
        .qr-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:9999;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .2s}
        .qr-overlay.show{opacity:1;visibility:visible}
        .qr-modal{background:#fff;border-radius:12px;padding:24px;text-align:center;max-width:320px;transform:scale(.9);transition:transform .2s}
        .qr-overlay.show .qr-modal{transform:scale(1)}
        .qr-modal img{width:220px;height:220px;border-radius:8px}
        .qr-modal p{margin-top:12px;font-size:14px;color:#334155;font-weight:500}
        @media(max-width:768px){
            .hero{padding:90px 20px 50px}.hero-inner{flex-direction:column}.hero-visual{flex:none;width:100%}
            .products-grid{grid-template-columns:1fr}
            .nav-links{display:none}.nav-inner{padding:0 16px}
            .cta{padding:60px 20px}.cta h2{font-size:24px}.cta p{font-size:14px}
            .cta-btns{flex-direction:column;align-items:center;gap:10px}
            .trust-bar{padding:28px 20px}.trust-bar-inner{grid-template-columns:1fr 1fr;gap:24px}
            .footer{padding:32px 16px}.footer-inner{grid-template-columns:1fr;gap:24px}
            .footer-bottom{flex-direction:column;gap:8px}
            .group-row{flex-direction:column;gap:8px}
        }