:root{--nav:#24475f;--blue:#1673b8;--orange:#f0843c;--ink:#1e3141;--muted:#6c7e8c;--line:#e2e9ee;--bg:#f1f4f6;--radius:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer;border:0;border-radius:8px;padding:10px 16px;background:none;color:inherit;transition:background .15s}button:hover{background:#e7eef3}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible{outline:3px solid #62b6ff;outline-offset:3px}input,select,textarea{width:100%;padding:12px;border:1px solid #ccd8e0;background:white;border-radius:8px;color:var(--ink)}input:focus,textarea:focus,select:focus{outline:2px solid #98cfff;border-color:var(--blue)}textarea{min-height:90px;resize:vertical}label{display:block;margin:12px 0}label input,label select,label textarea{margin-top:6px}input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--blue)}h1,h2,h3,p{margin:0 0 12px}h1{font-size:28px;letter-spacing:-.5px}h2{font-size:23px}h3{font-size:18px}a{color:var(--blue);text-decoration:none}.topbar{display:flex;align-items:center;gap:30px;background:var(--nav);padding:15px max(24px,calc((100vw - 1440px)/2));color:white;min-height:78px}.wordmark{display:flex;align-items:center;gap:12px;font-size:23px;font-weight:700;color:white;white-space:nowrap}.logo{display:grid;place-items:center;width:38px;height:38px;background:white;color:var(--blue);border-radius:11px;font-size:23px}.topbar nav{display:flex;gap:4px;flex:1}.nav{white-space:nowrap;color:#d8e3eb}.nav:hover,.nav.active{background:#ffffff18;color:white}.account{display:flex;align-items:center;gap:14px;white-space:nowrap}.light{background:white;color:var(--nav)}main{max-width:1488px;margin:32px auto;padding:0 24px;min-height:70vh}.purchase-layout{display:grid;grid-template-columns:360px minmax(0,1fr);gap:32px}.selector{border-radius:var(--radius);background:#fff;align-self:start;overflow:hidden;box-shadow:0 3px 16px #24475f06}.selector-heading{background:var(--blue);padding:26px 28px;color:white}.selector-heading h1{font-size:26px;margin:8px 0 0}.selector-heading h1 span{display:block;font-size:15px;font-weight:500;letter-spacing:1px;margin-top:3px}.eyebrow{font-size:11px;letter-spacing:1.7px;font-weight:700;opacity:.7}.selector-body{padding:18px 24px 24px}.tabs{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);margin-bottom:24px}.tabs button{border-radius:0;padding-left:0}.tabs .selected{color:#cc631f;border-bottom:3px solid var(--orange);font-size:18px;font-weight:700}.tabs span{font-size:11px;color:var(--muted)}.step{font-size:18px;font-weight:650;display:flex;align-items:center;gap:10px;margin:25px 0 13px}.step b{width:24px;height:24px;border-radius:50%;background:#edf4f9;color:var(--blue);font-size:13px;display:grid;place-items:center}.service-list{max-height:224px;overflow:auto;display:grid;gap:3px;margin-top:10px}.service-item{display:flex;align-items:center;justify-content:space-between;text-align:left;gap:8px;font-size:14px;padding:9px 10px}.service-item span:last-child{font-size:12px;color:var(--muted);white-space:nowrap}.service-item.selected{background:#e9f4fd;color:#0768ab;font-weight:650}.operator{border:1px solid var(--line);border-radius:12px;padding:14px;margin:10px 0}.operator-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.operator-name{font-weight:650}.operator-price{font-size:21px;font-weight:700}.operator-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:7px}.buy-btn{background:#e9f4fd;color:var(--blue);font-weight:650;font-size:13px;padding:6px 12px}.selector-note{font-size:12px;color:var(--muted);background:#f2f7fa;padding:12px;border-radius:8px;margin:18px 0 0}.workspace{min-width:0}.workspace-heading{display:flex;align-items:center;justify-content:space-between;margin:12px 0 24px;gap:14px}.workspace-heading h2{margin:5px 0 0}.badge{font-size:12px;border:1px solid #c9dce7;border-radius:20px;padding:5px 12px;white-space:nowrap;background:#fff}.order-card{background:#fff;border-radius:var(--radius);min-height:490px;padding:35px}.empty{padding:60px 10px 32px;text-align:center}.empty-symbol{width:78px;height:68px;margin:0 auto 24px;border:2px solid #cbdeec;border-radius:20px;color:var(--blue);font-size:30px;letter-spacing:4px;background:#f3f8fc}.empty p{color:var(--muted);font-size:14px}.flow{display:flex;justify-content:center;gap:30px;list-style:none;padding:30px 0 0;border-top:1px solid var(--line);margin-top:35px}.flow li{font-size:12px;color:var(--muted)}.flow b{display:block;font-size:19px;color:#9cb5c5;font-weight:500}.tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}.tips-grid article{padding:23px;background:#e7eff4;border-radius:12px}.tips-grid article>span{font-size:11px;color:var(--blue);font-weight:700}.tips-grid h3{font-size:16px;margin:7px 0}.tips-grid p{font-size:13px;color:var(--muted);margin:0}.muted{color:var(--muted);font-size:14px}.primary{background:var(--blue);color:white;font-weight:600}.primary:hover{background:#0e609b}.secondary{border:1px solid #b8cfdf;color:var(--blue);background:white}.danger{color:#b64737;border:1px solid #e3c1ba}.notice{background:#fff3dd;color:#7b5c29;padding:10px 24px;text-align:center;font-size:13px}.narrow{max-width:1160px;margin:auto}.section-head{display:flex;justify-content:space-between;align-items:center;margin:15px 0 28px}.section-head h1{margin:4px 0}.panel{background:white;border-radius:var(--radius);padding:26px;margin-bottom:24px;overflow:auto}.panel h2{font-size:20px}.wallet-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.payment-choices label{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:8px;padding:10px}.payment-choices small{margin-left:auto;color:var(--muted)}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}th{font-weight:500;color:var(--muted);background:#f5f8fa}th,td{padding:12px;border-bottom:1px solid var(--line);white-space:nowrap}td button{padding:5px 9px}.order-meta{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:25px 0}.order-meta dt{font-size:12px;color:var(--muted)}.order-meta dd{margin:3px 0 0;overflow-wrap:anywhere}.number-box{background:#f1f7fb;border:1px solid #d7e7f3;border-radius:10px;padding:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:25px;margin:12px 0 24px;overflow-wrap:anywhere}.number-box button{font-size:13px;background:white}.sms-card{border:1px solid var(--line);border-radius:10px;padding:18px;margin:15px 0;overflow-wrap:anywhere}.sms-code{font-size:30px;font-weight:700;letter-spacing:4px;color:var(--blue)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.prose{max-width:860px}.prose h2{margin-top:25px;font-size:19px}.prose h2:first-child{margin-top:0}.prose p{color:var(--muted)}footer{max-width:1440px;margin:45px auto 0;padding:24px;display:flex;gap:20px;border-top:1px solid #dbe4eb;font-size:12px;color:var(--muted)}footer span:nth-child(2){margin-left:auto}dialog{border:0;border-radius:18px;padding:32px;width:min(460px,calc(100% - 32px));box-shadow:0 20px 80px #122d4f40;color:var(--ink)}dialog::backdrop{background:#142b4355}.close{position:absolute;right:9px;top:7px;font-size:26px;padding:0 8px}.dialog-form{margin-top:20px}.dialog-form button[type=submit]{width:100%;margin-top:12px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#203e51;color:white;padding:14px 22px;border-radius:10px;max-width:calc(100vw - 28px);z-index:10000;box-shadow:0 6px 24px #0002}.admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.admin-grid .panel{margin:0}.admin-grid textarea{font:12px monospace}.inline-status{font-size:12px;color:var(--muted);margin-top:12px}.qr{width:210px;height:210px;margin:20px auto}.qr svg{display:block;width:100%;height:100%}.payment-detail{overflow-wrap:anywhere;padding:20px 0}.error{color:#ae392c}[hidden]{display:none!important}@media(max-width:1150px){.topbar{flex-wrap:wrap;gap:12px;padding:14px 24px}.topbar nav{order:3;flex-basis:100%;overflow:auto}.account{margin-left:auto}.purchase-layout{grid-template-columns:320px minmax(0,1fr);gap:20px}.selector-body{padding:16px 18px}.order-card{padding:24px}.workspace-heading{align-items:flex-start;flex-direction:column}.tips-grid{grid-template-columns:1fr}.flow{gap:18px}}@media(max-width:700px){body{font-size:14px}.topbar{padding:12px 16px}.wordmark{font-size:20px}.logo{width:32px;height:32px;font-size:20px}.account{font-size:12px;gap:8px}.account button{padding:7px 10px}.nav{padding:9px 12px;font-size:13px}main{padding:0 14px;margin:20px auto}.purchase-layout{grid-template-columns:1fr;gap:22px}.selector-heading{padding:18px 22px}.selector-heading h1{font-size:23px}.selector-heading .eyebrow{display:none}.selector-body{padding:14px 20px 20px}.service-list{max-height:175px;grid-template-columns:1fr 1fr}.service-item{flex-direction:column;align-items:flex-start;gap:0}.step{margin-top:20px}.workspace-heading{margin:0 4px 16px;flex-direction:row;align-items:center}.workspace-heading h2{font-size:20px}.badge{font-size:10px;padding:4px 8px}.order-card{min-height:330px;padding:22px}.empty{padding:30px 0 10px}.empty-symbol{width:60px;height:52px;font-size:25px}.tips-grid{gap:12px;margin-top:16px}.tips-grid article{padding:18px}.wallet-grid,.admin-grid{grid-template-columns:1fr;gap:14px}.panel{padding:20px}.number-box{font-size:21px;padding:14px}.order-meta{font-size:13px}.notice{text-align:left;padding:10px 18px}h1{font-size:25px}footer{flex-wrap:wrap;gap:8px;margin-top:25px}footer span:nth-child(2){margin-left:0;flex-basis:100%}.section-head{margin:10px 0 20px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Source-inspired palette: slate header, blue actions, orange active tabs. */
:root{--nav:#3b5573;--blue:#39a3f5;--orange:#ff8735;--ink:#202f3e;--muted:#67768a;--line:#e6e8eb;--bg:#eceae9;--radius:24px}
.topbar{background:var(--nav)}.selector{background:#f5f6f8;box-shadow:none}.selector-heading{background:#1b79d0}.selector-body{background:#f5f6f8}.tabs .selected{color:var(--orange)}.step{color:#3c5779}.step b{background:transparent;color:#3c5779}.service-item{border-radius:14px}.service-item.selected{background:white;color:#39a3f5}.service-item.selected span:last-child{color:#39a3f5}.operator{background:white;border:0;border-radius:20px}.operator-meta>span{color:#18b62b}.buy-btn{background:#39a3f5;color:white;border-radius:12px}.buy-btn:hover,.primary:hover{background:#248fdf}.primary{background:#39a3f5}.order-card{border-radius:28px}.tips-grid article{background:#f5f6f8}.selector-note{background:#e4f3fd;color:#3b5573}.badge{color:#3c5779;border-color:#d8e4ed}.notice{background:#fff5e8}.secondary{color:#258ee3;border-color:#39a3f5}.logo{color:#1b79d0}.empty-symbol{color:#39a3f5;background:#e8f5ff}.service-item:hover{background:#e8f5ff}.admin-login{max-width:440px;margin:65px auto}.admin-return{padding:9px 14px;border-radius:8px;font-size:14px}.admin-page main{padding-top:20px}.admin-page .admin-grid .panel{border-radius:18px}.admin-page .topbar{justify-content:space-between}.admin-page .topbar .account{margin-left:auto}
@media(max-width:700px){.selector{border-radius:22px}.order-card{border-radius:22px}.admin-page .topbar{align-items:flex-start}.admin-page .account{flex-wrap:wrap;justify-content:flex-end}.admin-login{margin:25px auto}.admin-return{font-size:12px}}