:root{color-scheme:light;--ink:#202142;--muted:#77798f;--purple:#8254ea;--purple2:#a151ee;--card:#ffffffdf}*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:linear-gradient(118deg,#eef6ff 0%,#f8f7ff 46%,#faedff 100%);background-attachment:fixed}.topbar{height:70px;display:flex;align-items:center;justify-content:space-between;padding:0 max(28px,calc((100% - 1160px)/2));background:#ffffffc9;border-bottom:1px solid #e6e5f3;backdrop-filter:blur(16px)}button{font:inherit}.brand{font-size:20px;font-weight:800;color:var(--ink);text-decoration:none;letter-spacing:.2px}.order-link{border:0;background:transparent;color:#52536b;cursor:pointer;padding:12px}.page-shell{min-height:calc(100vh - 132px);display:grid;place-items:start center;padding:72px 20px 90px}.store{width:min(660px,100%);text-align:center}.tutorial{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:999px;padding:10px 17px;color:#fff;font-weight:700;background:linear-gradient(135deg,var(--purple),var(--purple2));box-shadow:0 12px 30px #8c55ec48;cursor:pointer}.tutorial span{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#ffffff35;font-size:11px}.store h1{font-size:34px;margin:22px 0 28px;letter-spacing:-1px}.product-list{display:grid;gap:13px}.product-card{width:100%;min-height:82px;display:grid;grid-template-columns:58px 1fr auto 16px;gap:16px;align-items:center;text-align:left;border:1px solid #e5e2f2;border-radius:17px;padding:14px 22px;background:var(--card);box-shadow:0 15px 36px #57508a12;cursor:pointer;transition:.2s ease}.product-card:hover{transform:translateY(-2px);border-color:#bfa8f6;box-shadow:0 20px 42px #6c55a421}.gpt-logo{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;background:#f8f8fd;color:#17172a;font-size:27px;font-weight:900}.gpt-logo small{display:block;color:#c59b21;font-size:7px;margin-top:-5px}.product-name{font-size:17px;font-weight:750}.product-price{font-size:23px;font-weight:850;white-space:nowrap}.chevron{color:#a4a8b8;font-size:26px}footer{text-align:center;padding:20px;color:#999aad;font-size:13px}.service{position:fixed;right:24px;bottom:24px;display:flex;gap:9px;align-items:center;padding:10px 17px 10px 9px;border-radius:999px;background:linear-gradient(135deg,#6d4be6,#8854ec);color:#fff;text-decoration:none;font-weight:700;box-shadow:0 12px 30px #644bd64d}.service span{display:grid;place-items:center;width:33px;height:33px;border-radius:50%;background:#25b86f;font-size:12px}dialog{width:min(540px,calc(100% - 32px));padding:0;border:0;border-radius:22px;color:var(--ink);box-shadow:0 28px 80px #27214850}dialog::backdrop{background:#1e173b80;backdrop-filter:blur(5px)}.dialog-close{position:absolute;right:15px;top:12px;width:36px;height:36px;border:0;border-radius:50%;background:#f1eff8;font-size:24px;cursor:pointer}.dialog-content{padding:38px}.eyebrow{color:#8359e7;font-size:13px;font-weight:800;text-transform:uppercase}.dialog-content h2{font-size:27px;margin:7px 0 24px}.dialog-content label{display:block;text-align:left;color:#5f6177;font-size:14px;margin:16px 0}.dialog-content input{width:100%;margin-top:7px;padding:13px 14px;border:1px solid #dad9e7;border-radius:10px;outline:0}.dialog-content input:focus{border-color:#9167ec;box-shadow:0 0 0 3px #9167ec1c}.primary{width:100%;padding:13px;border:0;border-radius:10px;color:#fff;font-weight:800;background:linear-gradient(135deg,var(--purple),var(--purple2));cursor:pointer}.purchase-head{display:flex;gap:15px;align-items:center;margin-bottom:24px}.purchase-head h2{margin:0;font-size:23px}.purchase-head .product-price{color:#7850df}.pay-panel{border-radius:14px;padding:14px;background:#f5f1ff;color:#7250ca;font-weight:700;margin:18px 0}.tutorial-content ol{text-align:left;line-height:2}.muted{color:var(--muted)}@media(max-width:640px){.topbar{height:62px;padding:0 18px}.brand{font-size:18px}.page-shell{padding:48px 14px 88px}.store h1{font-size:28px}.product-card{grid-template-columns:48px 1fr auto 10px;padding:13px 14px;gap:10px}.gpt-logo{width:45px;height:45px}.product-name{font-size:14px}.product-price{font-size:18px}.service{right:15px;bottom:15px}.dialog-content{padding:34px 22px}}