:root{--blue:#0b1f3a;--blue2:#123760;--orange:#ff8a1f;--orange2:#ff6b00;--white:#fff;--bg:#f5f7fb;--text:#172033;--muted:#6b7485;--line:#e5e9f2;--soft:#eef4ff;--shadow:0 20px 50px rgba(11,31,58,.12);--radius:20px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 40px));margin:0 auto}.topbar{background:#07162b;color:#c9d5e8;font-size:13px}.topbar .container{display:flex;justify-content:space-between;gap:18px;padding:9px 0;flex-wrap:wrap}.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0}.brand{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--blue);font-size:21px}.logo{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:14px;background:var(--blue);color:#fff;font-weight:900;box-shadow:0 12px 28px rgba(11,31,58,.25)}.logo span{color:var(--orange)}.menu{display:flex;gap:24px;align-items:center;font-weight:700;color:#3a465a}.menu a:hover,.menu a.active{color:var(--orange)}.nav-actions{display:flex;align-items:center;gap:10px}.hamb{display:none;border:0;background:var(--soft);border-radius:12px;padding:9px 12px;font-size:20px;color:var(--blue)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:11px 18px;font-weight:800;cursor:pointer;transition:.18s ease;background:#fff;color:var(--blue);font-size:14px}.btn:hover{transform:translateY(-1px);box-shadow:0 10px 24px rgba(11,31,58,.12)}.btn.orange{background:linear-gradient(135deg,var(--orange),var(--orange2));color:#fff;border:0}.btn.ghost{border-color:var(--line);background:#fff}.btn.soft{background:#eef4ff;color:var(--blue)}.btn.dark{background:var(--blue);color:#fff}.btn.block{width:100%}.cart-count{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:99px;background:var(--orange);color:#fff;font-size:12px}.hero{background:radial-gradient(circle at 18% 12%,#1e5a94 0,#0b1f3a 44%,#07162b 100%);color:#fff;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;right:-180px;top:-120px;width:520px;height:520px;border-radius:50%;background:rgba(255,138,31,.16);filter:blur(10px)}.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;padding:86px 0}.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:7px 12px;font-size:12px;font-weight:900;letter-spacing:.02em;background:#eef4ff;color:#1b477a}.eyebrow{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.18)}.tag.orange{background:#fff4e8;color:#bc5200}.tag.dark{background:#102944;color:#dbe8ff}.hero h1{font-size:56px;line-height:1.08;margin:22px 0 18px;letter-spacing:-.04em}.lead{font-size:18px;color:#d9e6f7;max-width:760px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);border-radius:18px;padding:16px}.stat b{display:block;font-size:26px;color:#fff}.stat span{color:#b8c9df;font-size:13px}.hero-card,.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{padding:20px;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18)}.terminal{background:#08172c;border-radius:18px;padding:20px;border:1px solid rgba(255,255,255,.1)}.row{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1)}.row:last-child{border-bottom:0}.row span{color:#91a6c2}.row b{text-align:right;color:#fff}.section{padding:74px 0}.section.white{background:#fff}.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px}.section-head h2{font-size:34px;line-height:1.15;margin:10px 0 0;color:var(--blue);letter-spacing:-.02em}.section-head p{color:var(--muted);max-width:620px;margin:0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 28px rgba(11,31,58,.06);overflow:hidden}.card-body{padding:22px}.card h3{margin:12px 0 8px;color:var(--blue)}.card p,.muted{color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 28px rgba(11,31,58,.06)}.cover{display:block;position:relative;background:#0b1f3a;aspect-ratio:16/10;overflow:hidden}.cover .discount{position:absolute;top:14px;right:14px;background:var(--orange);color:#fff;border-radius:999px;padding:6px 10px;font-weight:900;font-size:12px}.product-card h3{font-size:20px;margin:12px 0 8px;line-height:1.25}.product-card h3 a:hover{color:var(--orange)}.meta{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.price{display:flex;align-items:center;gap:10px;margin:14px 0}.price strong{font-size:26px;color:var(--orange)}.price del{color:#a7b0bf}.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}.specs div{background:#f6f8fc;border:1px solid var(--line);border-radius:14px;padding:10px}.specs span{display:block;color:var(--muted);font-size:12px}.specs b{display:block;color:var(--blue);font-size:13px;margin-top:2px}.toolbar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}.filter{border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:999px;padding:10px 14px;font-weight:800;cursor:pointer}.filter.active{background:var(--blue);color:#fff;border-color:var(--blue)}.page-title{background:linear-gradient(135deg,#0b1f3a,#123760);color:#fff;padding:54px 0}.page-title h1{font-size:42px;margin:10px 0 8px}.page-title p{color:#d9e6f7;max-width:760px}.breadcrumb{font-size:13px;color:#9fb4d2}.layout{display:grid;grid-template-columns:1fr 340px;gap:28px}.sidebar{position:sticky;top:94px;align-self:start}.list{margin:0;padding-left:20px;color:var(--muted)}.list li{margin:8px 0}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.feature{background:#f6f8fc;border:1px solid var(--line);border-radius:16px;padding:16px}.feature b{display:block;color:var(--blue);margin-bottom:4px}.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}.tab-content{display:none}.tab-content.active{display:block}.download-box{border:1px dashed #b9c5d6;background:#fbfcff;border-radius:18px;padding:18px}.file-slot{display:flex;justify-content:space-between;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;margin:10px 0}.file-slot code{color:#0b1f3a;background:#eef4ff;padding:3px 8px;border-radius:8px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.field label{display:block;font-weight:800;color:var(--blue);margin-bottom:6px}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px 13px;font:inherit;background:#fff;color:var(--text)}.field textarea{min-height:120px;resize:vertical}.full{grid-column:1/-1}.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 10px 28px rgba(11,31,58,.06)}.plan.featured{border:2px solid var(--orange);position:relative}.plan h3{color:var(--blue);margin-top:0}.plan .num{font-size:34px;font-weight:900;color:var(--blue)}.plan .num small{font-size:14px;color:var(--muted)}.modal-mask{position:fixed;inset:0;background:rgba(5,15,30,.62);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}.modal-mask.open{display:flex}.modal{width:min(820px,100%);max-height:88vh;overflow:auto;background:#fff;border-radius:24px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--line)}.modal-head h3{margin:0;color:var(--blue)}.modal-close{border:0;background:#f2f5fb;border-radius:12px;font-size:20px;width:38px;height:38px;cursor:pointer}.modal-body{padding:24px}.payment-methods{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.pay-method{border:1px solid var(--line);border-radius:16px;padding:15px;background:#fff;cursor:pointer;font-weight:900;text-align:center}.pay-method.active{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,138,31,.15)}.account-grid{display:grid;grid-template-columns:260px 1fr;gap:24px}.account-menu{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;height:max-content}.account-menu a{display:block;padding:12px 14px;border-radius:14px;color:#3a465a;font-weight:800}.account-menu a.active,.account-menu a:hover{background:#eef4ff;color:var(--blue)}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden}.table th,.table td{padding:14px;border-bottom:1px solid var(--line);text-align:left}.table th{background:#f7f9fd;color:var(--blue)}.notice{padding:14px 16px;border-radius:16px;background:#fff8ef;border:1px solid #ffe0bd;color:#814000}.footer{background:#07162b;color:#c9d5e8;padding:54px 0 26px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:28px}.footer h4{color:#fff;margin:0 0 12px}.footer a{display:block;color:#c9d5e8;margin:8px 0}.footer a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;color:#8ea3be;font-size:13px}.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);background:#07162b;color:#fff;border-radius:999px;padding:12px 18px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.2s;z-index:120}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}@media(max-width:980px){.hero .container,.layout,.account-grid{grid-template-columns:1fr}.product-grid,.cards,.pricing{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:42px}.sidebar{position:static}.menu{display:none;position:absolute;left:20px;right:20px;top:76px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.menu.open{display:flex}.hamb{display:block}}@media(max-width:680px){.container{width:min(100% - 24px,1180px)}.topbar .container{display:block}.nav-actions .ghost{display:none}.hero .container{padding:58px 0}.hero h1{font-size:34px}.stats,.product-grid,.cards,.pricing,.feature-list,.form-grid{grid-template-columns:1fr}.section-head{display:block}.payment-methods{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.specs{grid-template-columns:1fr}.page-title h1{font-size:32px}}


/* 51EA lightweight tech header animation */
.hero,.page-title{position:relative;overflow:hidden;isolation:isolate}
.hero .container,.page-title .container{position:relative;z-index:2}
.hero::before,.page-title::before{content:"";position:absolute;inset:-30%;z-index:0;pointer-events:none;background:radial-gradient(circle at 15% 25%,rgba(255,138,31,.20),transparent 24%),radial-gradient(circle at 78% 22%,rgba(78,156,255,.22),transparent 28%),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(0deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:auto,auto,52px 52px,52px 52px;animation:techDrift 20s linear infinite;opacity:.9}
.hero::after,.page-title::after{content:"";position:absolute;left:-20%;right:-20%;top:0;height:180%;z-index:1;pointer-events:none;background:linear-gradient(120deg,transparent 0%,transparent 43%,rgba(255,138,31,.18) 49%,rgba(77,166,255,.18) 50%,transparent 57%,transparent 100%);transform:translateX(-45%);animation:techScan 9s ease-in-out infinite;mix-blend-mode:screen}
.hero-card,.panel,.product-card,.plan{position:relative}.hero-card::before,.panel::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(135deg,rgba(255,138,31,.12),transparent 30%,rgba(78,156,255,.10));opacity:.45}
.tech-dots{position:absolute;inset:0;pointer-events:none;overflow:hidden}.tech-dots i{position:absolute;width:6px;height:6px;border-radius:999px;background:rgba(255,138,31,.9);box-shadow:0 0 20px rgba(255,138,31,.7);animation:dotFloat 7s ease-in-out infinite}.tech-dots i:nth-child(1){left:12%;top:20%;animation-delay:.2s}.tech-dots i:nth-child(2){left:76%;top:28%;animation-delay:1.6s}.tech-dots i:nth-child(3){left:55%;top:70%;animation-delay:2.8s}
@keyframes techDrift{from{transform:translate3d(0,0,0) rotate(0deg)}to{transform:translate3d(42px,28px,0) rotate(1deg)}}
@keyframes techScan{0%,100%{transform:translateX(-50%);opacity:.18}50%{transform:translateX(50%);opacity:.55}}
@keyframes dotFloat{0%,100%{transform:translateY(0) scale(1);opacity:.55}50%{transform:translateY(-18px) scale(1.25);opacity:1}}
.qr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}.qr-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;text-align:center;box-shadow:0 10px 28px rgba(11,31,58,.06)}.qr-card img{width:150px;max-width:100%;height:auto;border-radius:12px;background:#fff;padding:8px;border:1px solid var(--line)}.qr-card h4{margin:10px 0 4px;color:var(--blue)}.qr-card p{margin:0;color:var(--muted);font-size:13px}.brand-story{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}.timeline{display:grid;gap:12px}.timeline-item{display:grid;grid-template-columns:110px 1fr;gap:14px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}.timeline-item b{color:var(--orange)}
@media(prefers-reduced-motion:reduce){.hero::before,.hero::after,.page-title::before,.page-title::after,.tech-dots i{animation:none!important}}
@media(max-width:760px){.qr-grid,.brand-story{grid-template-columns:1fr}.timeline-item{grid-template-columns:1fr}.hero::after,.page-title::after{display:none}}