:root{color-scheme:dark;--bg:#07111d;--panel:#0d1c2d;--line:#20364b;--text:#f5f8fb;--muted:#91a6ba;--cyan:#5ce1e6}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 72% 12%,#123955 0,transparent 32%),var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",sans-serif}.nav{height:78px;max-width:1160px;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:12px;align-items:center;color:inherit;text-decoration:none}.brand>span{display:grid;place-items:center;width:42px;height:42px;border:1px solid #4fb8f5;border-radius:12px;background:linear-gradient(145deg,#228bd0,#5a55c5);font-size:23px;font-weight:800}.brand strong{display:grid;font-size:17px}.brand small{margin-top:3px;color:#7fa2bd;font-size:9px;letter-spacing:2px}.ghost,.primary{border:0;border-radius:10px;padding:12px 20px;color:#fff;font:inherit;cursor:pointer}.ghost{border:1px solid var(--line);background:#0d1c2dcc}.primary{background:linear-gradient(120deg,#168fe4,#6458d9);box-shadow:0 10px 30px #157dc433}.wide{width:100%}.hero{max-width:1160px;min-height:620px;margin:auto;padding:70px 24px 90px;display:grid;grid-template-columns:1.25fr .75fr;gap:90px;align-items:center}.eyebrow{color:#68c6fa;font-size:12px;font-weight:700;letter-spacing:2px}.hero h1{margin:18px 0;font-size:58px;line-height:1.16;letter-spacing:-3px}.hero h1 em{color:transparent;background:linear-gradient(90deg,#5ce1e6,#6e7df0);background-clip:text;font-style:normal}.lead{max-width:560px;color:var(--muted);font-size:18px;line-height:1.9}.hero-actions{margin-top:34px;display:flex;align-items:center;gap:18px}.hero-actions span{color:#6f879d;font-size:13px}.price-card{padding:30px;border:1px solid #2d506d;border-radius:24px;background:linear-gradient(155deg,#122a40ee,#0a1725ee);box-shadow:0 30px 80px #0008}.price-top{display:flex;justify-content:space-between}.price-top b{padding:5px 8px;border-radius:20px;background:#163e50;color:#65e4dd;font-size:11px}.price{margin:30px 0;display:flex;align-items:baseline}.price sup{font-size:25px}.price strong{font-size:72px;letter-spacing:-5px}.price small{color:var(--muted)}.price-card ul{padding:0;list-style:none;color:#b8c7d4;line-height:2.4}.price-card li:before{content:"✓";margin-right:10px;color:var(--cyan)}.steps{padding:90px max(24px,calc((100% - 1112px)/2));background:#0a1725}.steps h2{font-size:36px}.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}.step-grid article{padding:28px;border:1px solid var(--line);border-radius:16px;background:#0d1c2d}.step-grid b{color:#4dbbf5}.step-grid p{color:var(--muted)}dialog{width:min(520px,calc(100% - 28px));max-height:90vh;padding:34px;border:1px solid #2c4d69;border-radius:20px;background:#0d1c2d;color:var(--text);box-shadow:0 40px 100px #000b}dialog::backdrop{background:#02070dbd;backdrop-filter:blur(8px)}.dialog-close{position:absolute;right:16px;top:12px;border:0;background:none;color:#9eb0c0;font-size:26px;cursor:pointer}.tabs{display:grid;grid-template-columns:1fr 1fr;margin-bottom:25px;border-bottom:1px solid var(--line)}.tabs button{padding:12px;border:0;border-bottom:2px solid transparent;background:none;color:#7f94a7}.tabs button.active{border-color:#49aefa;color:#fff}form{display:grid;gap:16px}form h2,form p{margin:0}form p,.checkout p{color:var(--muted);line-height:1.7}label{display:grid;gap:7px;color:#a9bac8;font-size:13px}input{width:100%;border:1px solid var(--line);border-radius:9px;padding:13px;background:#07121e;color:#fff;outline:none}input:focus{border-color:#45a9ed}.check{display:flex;align-items:center}.check input{width:auto}.hidden{display:none!important}.message{min-height:20px;color:#f3949c;font-size:13px}.message.ok{color:#6be0b2}.account-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:22px 0}.account-stats div{padding:14px 10px;border:1px solid var(--line);border-radius:10px;background:#091624}.account-stats span,.account-stats strong{display:block}.account-stats span{color:#7690a6;font-size:11px}.account-stats strong{margin-top:7px;font-size:13px}.checkout{margin:20px 0;padding:20px;border:1px solid #31536e;border-radius:14px;background:#10263a}.checkout>div:first-child{display:flex;justify-content:space-between;font-size:18px}.checkout>div:first-child strong{color:#66dbe5}.checkout label{margin:15px 0}.payment-box{display:grid;grid-template-columns:150px 1fr;gap:18px;align-items:center;margin:18px 0;padding:14px;border:1px solid #28506c;border-radius:12px;background:#081725}.payment-box img{display:block;width:150px;height:204px;object-fit:cover;border-radius:8px}.payment-box b{color:#eef8ff}.payment-box ol{margin:10px 0 0;padding-left:20px;color:#9fb3c4;font-size:12px;line-height:1.9}.payment-warning{padding:10px 12px;border-radius:8px;background:#18324a;color:#bdd0df!important;font-size:12px}.order-list{display:grid;gap:8px;margin-bottom:20px}.order-item{display:flex;justify-content:space-between;padding:11px;border-radius:8px;background:#091624;color:#9fb1c0;font-size:12px}.order-item b{color:#fff}footer{display:flex;justify-content:space-between;padding:28px max(24px,calc((100% - 1112px)/2));color:#5e7589;font-size:12px}@media(max-width:760px){.hero{grid-template-columns:1fr;gap:40px;padding-top:40px}.hero h1{font-size:41px}.step-grid{grid-template-columns:1fr}.price-card{padding:22px}.account-stats{grid-template-columns:1fr}.payment-box{grid-template-columns:1fr}.payment-box img{width:min(240px,100%);height:auto;margin:auto}.nav{height:68px}.brand strong{font-size:14px}}