:root{--accent:#2087ed;--deep:#1266c6;--orange:#ff683d;--ink:#3d4e62;--muted:#8a98a8;--line:#e4ebf2;--shell:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:14px/1.7 Arial,"Microsoft YaHei",sans-serif;background:#f7fbff}a{text-decoration:none;color:inherit}button,input{font:inherit}button{cursor:pointer}.shell{width:min(var(--shell),calc(100% - 40px));margin:0 auto}.topbar{height:82px;background:#252b31;color:#d7dde3}.topbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.account,.utility{display:flex;align-items:center;gap:16px}.account a,.account b,.utility em{color:var(--orange);font-style:normal}.account button{border:0;background:#5f6872;color:#fff;padding:6px 14px}.utility{position:relative}.utility>a,.utility-trigger{color:#fff;background:transparent;border:0}.utility-trigger{padding:15px 0}.utility-panel{display:none;position:absolute;z-index:10;right:0;top:54px;width:260px;padding:16px;background:#fff;color:#666;box-shadow:0 8px 22px #0002}.utility-panel.show{display:block}.utility-panel strong{color:#444}.utility-panel p{padding:11px 0;border-block:1px solid #eee}.utility-panel a{color:var(--orange)}.header{height:81px;background:#fff}.header-inner{height:100%;display:flex}.logo{width:198px;flex:0 0 198px;display:flex;align-items:center;justify-content:center;border-inline:2px solid var(--orange);border-bottom:4px solid var(--orange)}.logo img{width:194px;height:66px;object-fit:contain}.main-nav{display:flex;align-items:stretch;flex:1}.main-nav a{display:flex;align-items:center;justify-content:center;min-width:76px;flex:1;padding:0 10px;color:#596676;white-space:nowrap}.main-nav a:hover,.main-nav a.active{background:var(--orange);color:#fff}.product-hero{height:330px;overflow:hidden;position:relative;color:#fff;background:linear-gradient(110deg,#0d68be,#339cec 54%,#0b62b4)}.product-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 75% 40%,#fff5,transparent 26%),linear-gradient(140deg,transparent 65%,#ffffff17 65%)}.hero-inner{height:100%;display:flex;align-items:center;justify-content:space-between;position:relative;z-index:1}.hero-kicker{margin:0 0 5px;color:#bfe4ff;letter-spacing:3px}.hero-inner h1{margin:0 0 8px;font-size:42px;font-weight:normal}.hero-inner>div>p:not(.hero-kicker){font-size:17px;color:#e6f5ff;max-width:520px}.hero-button{margin-top:17px;border:0;border-radius:3px;padding:11px 30px;background:var(--orange);color:#fff;box-shadow:0 8px 18px #004e9838}.hero-button:hover{background:#f04f2d}.hero-orbit{width:360px;height:260px;position:relative;margin-right:80px}.hero-orbit-ring{position:absolute;inset:28px 15px 8px;border:1px solid #ffffff7a;border-radius:50%;transform:rotate(-18deg)}.hero-orbit-ring:after{content:"";position:absolute;inset:25px;border:1px dashed #ffffff87;border-radius:50%}.hero-icon{position:absolute;left:112px;top:74px;width:130px;height:100px;border-radius:26px;background:#fff;color:var(--accent);display:grid;place-items:center;font-size:65px;box-shadow:0 15px 35px #005ca955}.hero-orbit span{position:absolute;width:15px;height:15px;background:#bfe9ff;border-radius:50%;box-shadow:0 0 0 7px #ffffff19}.hero-orbit span:nth-of-type(1){left:27px;top:91px}.hero-orbit span:nth-of-type(2){right:20px;top:47px}.hero-orbit span:nth-of-type(3){right:55px;bottom:12px}.product-area{padding:58px 0 65px}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:26px}.section-heading p,.section-label{margin:0;color:var(--accent);font-size:12px;letter-spacing:2px}.section-heading h2{margin:3px 0 0;color:#1d4268;font-size:28px;font-weight:normal}.section-heading>span{color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.product-card{position:relative;min-height:330px;padding:25px 26px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 30px #2d6c9c0b;transition:.2s}.product-card:hover{transform:translateY(-4px);box-shadow:0 17px 32px #2d6c9c21}.product-card.recommend{border-top:3px solid var(--accent)}.product-card .tag{position:absolute;right:18px;top:16px;padding:2px 8px;background:#e6f3ff;color:var(--accent);font-size:12px}.product-card h3{margin:0 0 8px;color:#1e4d7e;font-size:20px;font-weight:normal}.product-price{color:var(--accent);font-size:16px;margin-bottom:18px}.product-price b{font-size:35px}.product-card ul{margin:0;padding:16px 0;border-block:1px solid #edf2f6;list-style:none;color:#697f94}.product-card li{margin:5px 0}.card-actions{display:flex;gap:10px;margin-top:20px}.card-actions button{flex:1;padding:8px 0;border:1px solid #acd6f5;background:#fff;color:var(--accent)}.card-actions button:first-child{background:var(--accent);color:#fff}.service-panel{display:flex;align-items:center;justify-content:space-between;gap:35px;margin-bottom:70px;padding:38px 45px;background:#eaf6ff;border:1px solid #cce8fb}.service-panel h2{margin:4px 0;color:#1d4268;font-size:25px;font-weight:normal}.service-panel p{margin:0;color:#71869b}.service-action{display:flex;min-width:390px}.service-action input{height:44px;min-width:260px;flex:1;padding:0 13px;border:1px solid #bcd9ee;outline:0}.service-action button{width:115px;border:0;background:var(--accent);color:#fff}.service-result{color:var(--accent)!important;position:absolute;margin-top:96px!important}.advantages{padding:65px 0 76px;background:#f0f7fc}.centered{justify-content:center;text-align:center}.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.advantage-grid article{padding:27px;background:#fff;text-align:center;border:1px solid var(--line)}.advantage-grid b{display:grid;place-items:center;width:58px;height:58px;margin:0 auto 10px;border-radius:50%;background:#dff0ff;color:var(--accent);font-size:22px}.advantage-grid h3{margin:0;color:#1d4268}.advantage-grid p{margin:5px 0 0;color:#7d8ea0}.footer{padding:24px 0;background:#252b31;color:#aab5c0;text-align:center;font-size:12px}.footer-links i{font-style:normal;margin:0 10px;color:#68737d}.footer-links a:hover{color:var(--orange)}.footer p{margin:7px 0 0}.modal{display:none;position:fixed;z-index:50;inset:0;background:#0e294a8c;align-items:center;justify-content:center}.modal.show{display:flex}.modal-card{position:relative;width:440px;padding:30px;background:#fff;box-shadow:0 15px 45px #001d3b55}.modal-card>p{margin:0;color:var(--accent)}.modal-card h2{margin:4px 0 17px;color:#1d4268;font-weight:normal}.modal-card #modalBody{color:#6f8193}.modal-close{position:absolute;right:12px;top:7px;border:0;background:transparent;color:#8091a2;font-size:27px}.modal-buy{margin-top:22px}.toast{position:fixed;z-index:80;left:50%;bottom:30px;transform:translate(-50%,20px);padding:10px 18px;background:#252b31;color:#fff;opacity:0;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:900px){.shell{width:calc(100% - 24px)}.topbar{height:auto}.topbar-inner{padding:11px 0;flex-wrap:wrap;gap:9px}.account,.utility{gap:9px;flex-wrap:wrap}.header{height:auto}.header-inner{display:block}.logo{width:100%;height:75px}.main-nav{height:55px;overflow:auto}.main-nav a{flex:0 0 auto;padding:0 13px}.hero-inner{align-items:flex-start;padding-top:45px}.hero-orbit{position:absolute;right:-60px;top:70px;transform:scale(.72)}.product-grid,.advantage-grid{grid-template-columns:repeat(2,1fr)}.service-panel{display:block}.service-action{margin-top:22px}.service-result{position:static;margin-top:8px!important}}
@media(max-width:560px){.hero-inner h1{font-size:31px}.hero-inner>div>p:not(.hero-kicker){max-width:240px;font-size:14px}.hero-orbit{right:-120px;top:82px;transform:scale(.55)}.product-grid,.advantage-grid{grid-template-columns:1fr}.product-area{padding-top:40px}.section-heading{display:block}.section-heading>span{display:block;margin-top:8px}.service-panel{padding:25px 20px}.service-action{min-width:0;display:flex}.service-action input{min-width:0}.footer-links i{margin:0 4px}}
/* 全站统一品牌 Logo */
.logo.brand-logo{display:flex;align-items:center;justify-content:flex-start;gap:10px;width:200px;height:81px;flex:0 0 200px;padding:0 14px;background:#fff;border-left:2px solid #ff7047;border-bottom:4px solid #ff7047;color:#3f464d}
.logo.brand-logo .brand-symbol{width:43px;height:43px;display:grid;place-items:center;flex:0 0 43px;border:0;border-radius:12px 4px 12px 4px;transform:none;background:linear-gradient(135deg,#ff7047,#c94235);box-shadow:0 4px 9px rgba(201,66,53,.25);color:#fff;font-size:22px;font-weight:700}
.brand-copy{display:flex;flex-direction:column;line-height:1.15;white-space:nowrap}.brand-copy strong{color:#4b5258;font-size:22px;letter-spacing:2px;font-weight:700}.brand-copy small{margin-top:6px;color:#8a9198;font-size:10px;letter-spacing:2px}
.logo.brand-logo .brand-copy{width:auto;height:auto;display:flex;align-items:flex-start;justify-content:center;flex:0 0 auto;padding:0;border:0;transform:none;background:none;box-shadow:none}
@media(max-width:900px){.logo.brand-logo{width:100%;height:75px;flex-basis:100%;justify-content:flex-start;padding-left:18px}.brand-copy strong{font-size:20px}}