:root{--blue:#4361ee;--purple:#7209b7;--ink:#1b2340;--muted:#738098;--line:#e0e5f1;--bg:#f5f7fc;--gradient:linear-gradient(120deg,#667eea,#764ba2)}
*{box-sizing:border-box}html{color-scheme:light}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:16px;line-height:1.65}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #a4b4ff;outline-offset:3px}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}.site-header{background:var(--gradient);color:#fff}.header-inner{max-width:1120px;margin:auto;padding:24px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{flex-shrink:0}.brand-top{display:flex;align-items:center;gap:12px}.brand-name{font-size:29px;font-weight:750;letter-spacing:.2px;color:white;line-height:1.2}.brand-name:hover{text-decoration:none}.domain{font-size:15px;line-height:1.4;padding:2px 12px;border:1px solid #ffffffa1;border-radius:30px;color:#fff}.brand-sub{display:flex;gap:14px;align-items:center;margin-top:9px;font-size:16px;letter-spacing:.4px}.official{font-size:12px;border:1px solid #ffffff91;border-radius:30px;padding:0 10px}.site-nav{display:flex;align-items:center;gap:24px;white-space:nowrap;font-size:15px}.site-nav a{color:#fff}.menu-toggle{display:none}.page{max-width:1040px;margin:30px auto 12px;padding:0 24px}.page.narrow{max-width:650px;margin-top:48px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;margin-bottom:22px;box-shadow:0 3px 10px #27388d02}h1{font-size:28px;line-height:1.3;margin:0 0 10px;font-weight:750}h2{font-size:21px;margin:0 0 12px}p{margin:10px 0}.muted{color:var(--muted)}.small,small{font-size:13px}.intro-row{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-bottom:22px}.intro-row p{margin:0}.intro-row a{font-size:14px}.order-summary{display:grid;grid-template-columns:160px minmax(0,1fr);margin:0 0 26px;border:1px solid var(--line);border-radius:6px;overflow:hidden}.order-summary dt,.order-summary dd{margin:0;padding:11px 18px;border-bottom:1px solid var(--line);min-width:0;overflow-wrap:anywhere}.order-summary dt{font-weight:650;color:#667189;background:#f7f8fc;border-right:1px solid var(--line)}.order-summary dd:last-child,.order-summary dt:nth-last-child(2){border-bottom:0}.song-list{display:flex;flex-wrap:wrap;gap:4px 18px}.tag{display:inline-block;background:#edf0ff;color:#3c56d9;border-radius:5px;padding:2px 9px;font-size:14px}.payment-methods{border:0;padding:0;margin:0;max-width:440px;min-width:0}.payment-methods legend{font-weight:650;color:#65718a;padding:0;margin-bottom:10px}.pay-option{position:relative;display:flex;align-items:center;gap:14px;min-height:60px;border:1px solid var(--line);border-radius:8px;padding:11px 16px;margin-bottom:11px;cursor:pointer;transition:background .15s,border-color .15s}.pay-option:has(input:checked){background:#f7f8ff;border:2px solid var(--blue);padding:10px 15px}.pay-option:has(input:focus-visible){outline:3px solid #b7c1ff;outline-offset:2px}.pay-option input{width:19px;height:19px;margin:0;accent-color:var(--blue);flex-shrink:0}.pay-option small{margin-left:auto;color:var(--muted);font-size:12px}.pay-option.unavailable{background:#fafbfe;cursor:default;color:#7f899d}.pay-icon{width:32px;height:32px;border-radius:7px;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:27px;line-height:1;font-weight:500;flex-shrink:0}.pay-icon.alipay{background:#1677ff}.pay-icon.wechat{background:#12b65a}.pay-icon.wechat svg{width:30px;height:30px}.pay-icon.ccb{background:#0065aa;font-size:23px}.method-name{font-size:17px}.terms{font-size:14px;margin:18px 0 10px;max-width:760px}.terms summary{cursor:pointer;color:var(--blue);padding:3px 0}.terms-content{white-space:pre-wrap;overflow-wrap:anywhere;padding:16px;border-radius:6px;background:#f7f8fc;margin-top:10px;max-height:320px;overflow:auto;font-size:14px}.consent{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:#69768d;margin-bottom:18px;cursor:pointer}.consent input{width:17px;height:17px;margin:3px 0;accent-color:var(--blue);flex-shrink:0}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:8px;min-height:47px;padding:10px 23px;font-weight:650;text-decoration:none;line-height:1.4;transition:filter .15s}.button:hover{filter:brightness(.96);text-decoration:none}.primary{color:#fff;background:linear-gradient(110deg,#4361ee,#7209b7)}.secondary{background:#fff;color:var(--blue);border:1px solid #cbd3f4}.full{width:100%}.pay-bar{display:flex;align-items:center;gap:35px;margin-top:20px}.pay-total{display:flex;flex-direction:column;min-width:145px}.pay-total span{color:var(--muted);font-size:14px}.pay-total strong{font-size:30px;line-height:1.4}.pay-button{min-width:260px}.after-pay{margin-top:12px}.download-note{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-top:16px}.download-note a{font-size:15px;font-weight:650}.download-note span{font-size:12px;color:var(--muted)}.lookup-note{text-align:center;font-size:13px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.lookup-note span{color:var(--muted)}.site-footer{max-width:1000px;margin:0 auto;padding:20px 24px 28px;font-size:12px;text-align:center;color:#8791a6}.site-footer a{color:inherit}.demo-banner{font-size:12px;background:#fff9e7;color:#916920;text-align:center;padding:6px 16px}.login-card{padding:34px}.login-card h1,.login-card>p,.welcome,.result-card,.qr-card{text-align:center}.symbol{height:58px;width:58px;display:flex;align-items:center;justify-content:center;background:#f0edff;color:#6955ce;font-size:30px;border-radius:17px;margin:0 auto 22px}.lock-symbol 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14px;font-size:14px}.soft-note{background:#f5f6fd;padding:16px;border-radius:8px;font-size:14px;color:#69728a;margin-top:24px}.benefits{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:24px 0 30px}.benefits span{background:#f1edfd;color:#6c54b2;padding:5px 10px;border-radius:5px;font-size:14px}.welcome .primary{min-width:220px}.text-button{background:none;border:0;color:var(--blue);padding:10px 0}.section-head{display:flex;justify-content:space-between;gap:14px;align-items:center}.section-head>h1{margin-bottom:20px}.section-head p{font-size:14px}.order-item{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding:22px 0;color:var(--ink)}.order-item:hover{text-decoration:none}.order-item p,.order-item small{color:var(--muted);font-size:13px;overflow-wrap:anywhere}.order-item-end{display:flex;align-items:flex-end;flex-direction:column;gap:9px;white-space:nowrap}.empty{text-align:center;padding:50px 10px}.pagination{display:flex;justify-content:center;gap:40px;margin-top:24px}.success-icon{height:60px;width:60px;background:#edf8f2;color:#2f9763;border-radius:50%;margin:4px auto 20px;font-size:33px;line-height:60px}.progress-list{list-style:none;text-align:left;padding:0;margin:30px 0}.progress-list li{position:relative;padding:0 0 26px 35px;margin-left:4px}.progress-list li:before{content:'';position:absolute;top:6px;left:0;width:14px;height:14px;background:#e4e8f1;border-radius:50%}.progress-list li:after{content:'';position:absolute;top:25px;left:6px;width:1px;height:calc(100% - 20px);background:#e2e7f0}.progress-list li:last-child:after{display:none}.progress-list li.done:before{background:#60b889}.progress-list b,.progress-list span{display:block}.progress-list span{font-size:13px;color:var(--muted);overflow-wrap:anywhere}.result-links{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;margin:25px 0 12px}.order-code{overflow-wrap:anywhere}.qr-amount{font-size:30px;display:block}.qr-image{display:block;max-width:100%;height:auto;margin:15px auto}.payment-pending{padding:14px 18px;background:#fff9ed;border-radius:8px;margin-bottom:24px;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px}.payment-pending p{font-size:12px;margin:4px 0;color:#827151}.payment-pending .button{font-size:13px}.service-note{color:#8d6b3b;font-size:14px}.message-card p{margin:18px 0}.toast{position:fixed;bottom:110px;left:50%;transform:translateX(-50%);background:#202943f2;color:white;padding:12px 20px;border-radius:8px;z-index:20;width:max-content;max-width:calc(100% - 40px);font-size:14px}.stack{display:grid;gap:8px}.stack .button{justify-self:start;margin-top:10px}.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px}.plan-row{display:flex;gap:18px;flex-wrap:wrap;padding:12px 0;border-bottom:1px solid var(--line)}.admin-form{margin:24px 0}.admin-form summary{cursor:pointer;color:var(--blue)}.channel-status{display:flex;flex-wrap:wrap;gap:12px}.channel-status span{background:#f6f7fc;padding:6px 10px;border-radius:5px;font-size:13px}.job-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 0;border-bottom:1px solid var(--line)}.job-row strong{overflow-wrap:anywhere;font-size:14px}.job-row p{font-size:13px;color:var(--muted)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}th,td{padding:12px 9px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f8f9fc;color:#707b94}td{overflow-wrap:anywhere;min-width:100px}td small{display:block;color:var(--muted);font-size:11px}
@media(max-width:1100px){.header-inner{flex-wrap:wrap}.site-nav{width:100%;justify-content:flex-start;gap:28px}.brand-name{font-size:27px}.header-inner{gap:20px}}
@media(max-width:640px){body{font-size:15px}.header-inner{padding:22px 18px;position:relative;gap:0}.brand{max-width:calc(100% - 32px)}.brand-top{gap:8px}.brand-name{font-size:22px;letter-spacing:0;white-space:nowrap}.domain{font-size:12px;padding:2px 9px}.brand-sub{font-size:14px;gap:9px;margin-top:10px;letter-spacing:0}.official{font-size:11px;padding:0 7px;white-space:nowrap}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;align-items:center;margin-left:auto;width:32px;height:38px;padding:4px;background:transparent;border:0}.menu-toggle span{display:block;background:#fff;width:23px;height:2px;border-radius:2px}.site-nav{display:none;flex-direction:column;align-items:stretch;gap:0;margin-top:20px;border-top:1px solid #ffffff30;padding-top:10px}.site-nav.open{display:flex}.site-nav a{display:block;padding:10px 5px}.page,.page.narrow{padding:0 16px;margin:22px auto 10px}.card{padding:22px 18px;border-radius:11px;margin-bottom:20px}h1{font-size:23px}.intro-row{display:block;margin-bottom:18px}.intro-row p{font-size:13px;margin:0 0 10px}.intro-row a{font-size:13px}.order-summary{grid-template-columns:88px minmax(0,1fr);font-size:14px;margin-bottom:22px}.order-summary dt,.order-summary dd{padding:10px 12px}.order-summary dt{font-size:13px}.song-list{display:flex;flex-direction:column;gap:1px}.tag{font-size:12px;padding:2px 7px}.payment-methods{max-width:none}.payment-methods legend{font-size:14px}.pay-option{min-height:55px;padding:10px 12px;gap:12px;margin-bottom:10px}.pay-option:has(input:checked){padding:9px 11px}.pay-option input{width:20px;height:20px}.method-name{font-size:16px}.pay-icon{width:30px;height:30px}.pay-option small{font-size:11px}.terms{font-size:13px;margin-top:18px}.consent{font-size:12px;line-height:1.65;margin-bottom:10px}.checkout-page{padding-bottom:calc(84px + env(safe-area-inset-bottom))}.pay-bar{position:fixed;z-index:10;bottom:0;left:0;right:0;margin:0;padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-top:1px solid #e5e9f4;background:#fff;box-shadow:0 -3px 16px #182d7810;gap:16px;align-items:center}.pay-total{min-width:0;flex:1}.pay-total span{font-size:12px}.pay-total strong{font-size:25px;white-space:nowrap;line-height:1.3}.pay-button{min-width:0;width:57%;min-height:48px;font-size:16px}.after-pay{font-size:12px}.download-note{display:block;margin-top:18px;padding-top:15px;border-top:1px solid #eff1f8}.download-note a{display:block;margin-bottom:5px;font-size:14px}.download-note span{font-size:11px;line-height:1.7;display:block}.lookup-note{font-size:12px;gap:4px;display:flex;flex-direction:column;align-items:center}.site-footer{font-size:10px;padding:16px 16px 22px;line-height:1.8}.site-footer span{padding:0 2px}.demo-banner{font-size:10px;padding:5px 10px}.login-card{padding:28px 22px}.login-card h1{font-size:24px}.login-card>p{font-size:13px}.login-form{margin-top:24px}.login-form input{font-size:16px}.code-row{gap:8px}.send-code{font-size:12px;padding:10px 12px}.privacy-note{font-size:12px;padding:12px 9px}.symbol{width:52px;height:52px}.section-head{align-items:flex-start}.order-item{gap:10px}.order-item-end strong{font-size:16px}.order-item p{font-size:12px}.order-item strong{font-size:14px}.two-cols{grid-template-columns:1fr;gap:6px}.payment-pending{align-items:flex-start;flex-direction:column}.job-row{flex-wrap:wrap}.message-card .result-links{justify-content:flex-start}.welcome .benefits{gap:8px;font-size:12px}}
@media(max-width:360px){.brand-name{font-size:19px}.domain{font-size:10px;padding:2px 7px}.brand-sub{font-size:12px;gap:7px}.official{font-size:10px}.card{padding:20px 14px}.order-summary{grid-template-columns:80px minmax(0,1fr)}.order-summary dt,.order-summary dd{padding:10px}.pay-total strong{font-size:22px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.mock-actions{display:grid;gap:12px;margin:24px 0}.mock-actions button{text-align:center;justify-content:center}.mail-text{white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.7 inherit;max-height:480px;overflow:auto}