:root{--blue:#2563eb;--blue2:#1d4ed8;--navy:#0f172a;--sky:#38bdf8;--light:#f4f7fb;--line:#e2e8f0;--muted:#64748b;--shell:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--navy);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;background:#fff}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.shell{width:min(var(--shell),calc(100% - 48px));margin:auto}.site-header{height:76px;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(12px)}.header-inner{height:100%;display:flex;align-items:center}.logo{display:flex;align-items:center;gap:10px;margin-right:auto}.logo-mark{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--blue),#60a5fa);font:bold 19px Arial;box-shadow:0 7px 18px #2563eb33}.logo>span:last-child{display:flex;flex-direction:column}.logo 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#d7e2f1;border-radius:16px 16px 0 0;box-shadow:0 28px 70px #1e40af18;overflow:visible}.browser-bar{position:absolute;left:0;right:0;top:0;height:38px;display:flex;align-items:center;padding:0 14px;border-bottom:1px solid var(--line);background:#f8fafc;border-radius:16px 16px 0 0}.browser-bar i{width:8px;height:8px;border-radius:50%;background:#f87171;margin-right:6px}.browser-bar i:nth-child(2){background:#fbbf24}.browser-bar i:nth-child(3){background:#4ade80}.browser-bar span{margin:auto;padding:4px 65px;background:#fff;border:1px solid var(--line);border-radius:10px;color:#94a3b8;font-size:8px}.hero-showcase>img{width:100%;height:450px;display:block;object-fit:cover;object-position:center;border-radius:0 0 8px 8px}.showcase-card{position:absolute;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #dbe5f2;border-radius:10px;padding:12px 16px;box-shadow:0 15px 35px 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i{margin-right:5px}.package-note{text-align:center;color:#94a3b8;font-size:10px;margin-top:24px}.cases{background:#fff}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.case-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;transition:.25s}.case-card:hover{transform:translateY(-5px);box-shadow:0 18px 45px #0f172a10}.case-cover{height:250px;display:grid;place-items:center;background:linear-gradient(145deg,#dbeafe,#bfdbfe)}.cover-two{background:linear-gradient(145deg,#dbeafe,#e0f2fe)}.cover-three{background:linear-gradient(145deg,#e0e7ff,#dbeafe)}.screen{position:relative;width:78%;height:70%;background:#fff;border:6px solid #172554;border-radius:7px;box-shadow:0 20px 30px #0f172a20}.screen:before{content:"";position:absolute;left:0;right:0;top:0;height:16px;background:#172554}.screen span{position:absolute;left:10%;top:28%;width:52%;height:14%;background:#2563eb}.screen 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article>i{position:relative;z-index:1;width:64px;height:64px;border-radius:50%;display:grid;place-items:center;margin:auto;background:#172554;border:1px solid #1e3a8a;color:#60a5fa;font-size:20px}.process-grid h3{font-size:14px;margin:17px 0 8px}.process-grid p{color:#94a3b8;font-size:9px}.about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:center}.about-visual{position:relative;height:420px;border-radius:16px;background:linear-gradient(145deg,#1d4ed8,#0f172a);overflow:hidden;display:grid;place-items:center}.about-logo{font:bold 145px Arial;color:#fff;opacity:.9}.about-tag{position:absolute;left:25px;bottom:25px;background:#fff;color:var(--blue);padding:10px 14px;border-radius:7px;font-size:10px}.about-lines i{position:absolute;border:1px solid #ffffff20;border-radius:50%}.about-lines i:nth-child(1){width:320px;height:320px;left:-100px;top:-110px}.about-lines i:nth-child(2){width:230px;height:230px;right:-70px;bottom:-60px}.about-lines i:nth-child(3){width:130px;height:130px;right:45px;top:35px}.about-copy h2{font-size:38px;line-height:1.4}.about-copy>p{font-size:13px;color:var(--muted);line-height:2}.about-values{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:28px 0}.about-values span{font-size:11px;padding:12px 0;border-bottom:1px solid var(--line)}.about-values i{color:#22c55e;margin-right:7px}.about-copy>a{display:inline-flex;align-items:center;gap:20px;background:var(--blue);color:#fff;padding:13px 20px;border-radius:7px;font-size:11px}.contact{padding:100px 0;background:linear-gradient(135deg,#1d4ed8,#172554);color:#fff}.contact-grid{display:grid;grid-template-columns:1fr 500px;gap:90px;align-items:center}.contact-copy>small{color:#93c5fd}.contact-copy h2{font-size:43px;line-height:1.35}.contact-copy>p{color:#bfdbfe;line-height:1.9;font-size:13px;max-width:500px}.contact-copy>div{display:flex;gap:60px;margin-top:45px}.contact-copy>div span{display:flex;flex-direction:column}.contact-copy>div small{color:#93c5fd;font-size:9px;margin-bottom:7px}.contact-copy>div a,.contact-copy>div b{font-size:12px;font-weight:normal}.contact-form{padding:34px;background:#fff;color:var(--navy);border-radius:14px;box-shadow:0 25px 60px #0f172a30}.contact-form h3{font-size:18px;margin:0 0 5px}.contact-form>p{font-size:10px;color:#94a3b8;margin:0 0 22px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:13px}.contact-form label{display:block;font-size:10px;color:#475569;margin-bottom:14px}.contact-form input,.contact-form select,.contact-form textarea{display:block;width:100%;margin-top:7px;border:1px solid var(--line);background:#f8fafc;padding:12px;outline:none}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--blue)}.contact-form textarea{resize:vertical}.contact-form>button{width:100%;height:46px;border:0;border-radius:7px;background:var(--blue);color:#fff;cursor:pointer}.contact-form>button i{margin-left:15px}.form-status{min-height:12px;text-align:center;color:#16a34a;font-size:9px}.footer{padding:60px 0 20px;background:#07101f;color:#fff}.footer-main{display:flex;justify-content:space-between}.footer-logo .logo-mark{box-shadow:none}.footer-main>div:first-child>p{font-size:10px;color:#64748b;margin-top:20px}.footer-links{display:flex;gap:80px}.footer-links span{display:flex;flex-direction:column;gap:10px}.footer-links strong{font-size:11px;margin-bottom:5px}.footer-links a,.footer-links b{font-size:9px;color:#94a3b8;font-weight:normal}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #1e293b;margin-top:45px;padding-top:18px;font-size:9px;color:#64748b}.reveal{opacity:0;transform:translateY(22px);transition:.65s}.reveal.visible{opacity:1;transform:none}
/* account, cart and auth */.page-overlay{position:fixed;inset:0;z-index:100;background:#0f172a99;backdrop-filter:blur(4px);opacity:0;transition:.25s}.page-overlay.show{opacity:1}.cart-drawer{position:fixed;z-index:110;right:0;top:0;bottom:0;width:min(430px,100%);background:#fff;transform:translateX(105%);transition:.3s;display:flex;flex-direction:column}.cart-drawer.open{transform:none}.drawer-head{height:78px;padding:0 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.drawer-head>div{display:flex;align-items:center;gap:9px}.drawer-head>div>i{font-size:20px;color:var(--blue)}.drawer-head strong{font-size:16px}.drawer-count{font-size:9px;color:#94a3b8}.drawer-close,.auth-close{width:34px;height:34px;border-radius:50%;border:0;background:#f1f5f9;cursor:pointer}.cart-items{flex:1;overflow:auto;padding:10px 24px}.cart-item{display:grid;grid-template-columns:52px 1fr auto;gap:12px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.cart-item-icon{width:52px;height:52px;border-radius:9px;background:#eff6ff;color:var(--blue);display:grid;place-items:center;font-size:20px}.cart-item-info strong{display:block;font-size:13px}.cart-item-info small{display:block;color:#94a3b8;font-size:8px;margin:4px 0}.cart-item-info b{font-size:13px}.remove-cart{border:0;background:none;color:#94a3b8;cursor:pointer}.cart-empty{flex:1;display:none;text-align:center;place-content:center}.cart-empty.show{display:grid}.cart-empty>i{font-size:48px;color:#cbd5e1}.cart-empty strong{margin-top:12px}.cart-empty p{font-size:10px;color:#94a3b8}.browse-packages{border:1px solid var(--blue);background:#fff;color:var(--blue);border-radius:7px;padding:9px 16px;margin:auto;cursor:pointer}.cart-footer{padding:22px 24px;border-top:1px solid var(--line)}.cart-total{display:flex;justify-content:space-between;align-items:baseline}.cart-total b{font-size:25px}.cart-footer>p{font-size:8px;color:#94a3b8;text-align:right}.checkout-button{width:100%;height:46px;border:0;border-radius:7px;background:var(--blue);color:#fff;cursor:pointer}.auth-modal{position:fixed;z-index:120;left:50%;top:50%;transform:translate(-50%,-46%) scale(.97);width:min(500px,calc(100% - 30px));max-height:92vh;overflow:auto;background:#fff;padding:34px 40px;border-radius:14px;opacity:0;transition:.25s}.auth-modal.show{opacity:1;transform:translate(-50%,-50%) scale(1)}.auth-close{position:absolute;right:17px;top:17px}.auth-brand{display:flex;align-items:center;gap:11px}.auth-brand>div{display:flex;flex-direction:column}.auth-brand strong{font-size:15px}.auth-brand small{font-size:9px;color:#94a3b8;margin-top:4px}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;margin:24px 0;border-bottom:1px solid var(--line)}.auth-tabs button{border:0;background:none;padding:12px;cursor:pointer;border-bottom:2px solid transparent}.auth-tabs button.active{color:var(--blue);border-color:var(--blue)}.auth-form{display:none}.auth-form.active{display:block}.auth-form h2{font-size:22px;margin:0 0 5px}.auth-form>p{font-size:9px;color:#94a3b8;margin:0 0 20px}.auth-form label>span{font-size:9px}.input-wrap{height:43px;border:1px solid var(--line);background:#f8fafc;display:flex;align-items:center;margin:6px 0 13px}.input-wrap>i{width:39px;text-align:center;color:#94a3b8}.input-wrap input{flex:1;min-width:0;border:0;background:transparent;outline:none}.password-toggle{border:0;background:none;padding:0 12px}.auth-options{display:flex;justify-content:space-between;font-size:9px;margin-bottom:15px}.forgot-tip{border:0;background:none;color:var(--blue);cursor:pointer}.auth-submit{width:100%;height:45px;border:0;border-radius:7px;background:var(--blue);color:#fff;cursor:pointer}.auth-submit i{margin-left:15px}.auth-status{font-size:9px;color:#dc2626;text-align:center;min-height:12px}.register-passwords{display:grid;grid-template-columns:1fr 1fr;gap:10px}.terms{display:flex!important;gap:5px;align-items:center;font-size:8px;margin-bottom:12px}.site-toast{position:fixed;z-index:150;left:50%;bottom:28px;transform:translate(-50%,20px);padding:11px 16px;border-radius:20px;background:var(--navy);color:#fff;font-size:9px;opacity:0;transition:.2s}.site-toast.show{opacity:1;transform:translate(-50%,0)}.site-toast i{color:#60a5fa;margin-right:6px}body.modal-open{overflow:hidden}
@media(max-width:1050px){.nav a{padding-inline:9px;font-size:12px}.account-link span,.register-link{display:none}.package-grid{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr 440px;gap:45px}}
@media(max-width:780px){.shell{width:calc(100% - 30px)}.site-header{height:66px}.logo-mark{width:36px;height:36px}.logo strong{font-size:15px}.nav{display:none;position:absolute;top:66px;left:0;right:0;height:auto;background:#fff;padding:10px 15px 20px;flex-direction:column;box-shadow:0 15px 30px #0f172a18}.nav.open{display:flex}.nav a{height:43px;justify-content:center}.nav a:after{display:none}.account-actions{margin-left:auto}.account-link,.register-link,.user-menu{display:none!important}.menu-toggle{display:block;width:38px;padding:5px}.menu-toggle span{display:block;width:22px;height:2px;background:var(--navy);margin:4px}.hero{padding-top:60px}.hero h1{font-size:38px}.hero-copy>p{font-size:13px}.hero-actions{flex-direction:column}.hero-actions a{width:100%}.hero-proof{gap:8px;flex-wrap:wrap}.hero-proof span{font-size:9px}.hero-showcase{margin-top:40px;padding-top:32px}.browser-bar{height:32px}.browser-bar span{padding-inline:25px}.hero-showcase>img{height:300px}.showcase-card{display:none}.advantage-strip .shell{height:auto;padding:18px 0;display:grid;grid-template-columns:1fr 1fr;gap:15px}.advantage-strip i{display:none}.section{padding:75px 0}.section-head{display:block}.section-head h2,.center-head h2,.process-head h2,.about-copy h2{font-size:29px}.section-head>p{margin-top:15px}.service-grid,.case-grid,.about-grid,.contact-grid{grid-template-columns:1fr}.service-card{min-height:260px}.package-grid{grid-template-columns:1fr}.process-grid{grid-template-columns:1fr;gap:18px}.process-grid:before{display:none}.process-grid article{display:grid;grid-template-columns:45px 55px 1fr;text-align:left;align-items:center}.process-grid article>span{margin:0}.process-grid article>i{width:52px;height:52px;margin:0;grid-row:1/3;grid-column:2}.process-grid h3{margin:0;grid-column:3}.process-grid p{grid-column:3}.about-grid{gap:35px}.about-visual{height:300px}.contact-grid{gap:45px}.contact-copy h2{font-size:34px}.contact-copy>div{flex-direction:column;gap:20px}.contact-form{padding:27px 20px}.form-row,.register-passwords{grid-template-columns:1fr}.footer-main{flex-direction:column;gap:35px}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:30px}.footer-links span:last-child{grid-column:1/3}.footer-bottom{gap:15px}.auth-modal{padding:30px 20px}.cart-drawer{width:100%}}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
.case-cover{overflow:hidden}.case-cover img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.case-card:hover .case-cover img{transform:scale(1.035)}