:root{--ink:#13211e;--paper:#f4f1e9;--paper-strong:#ebe7dc;--mint:#16b894;--mint-dark:#087d66;--muted:#5e6c67;--line:#13211e2e;--shell:min(1180px, calc(100vw - 48px))}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:PingFang SC,Noto Sans SC,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}.shell{width:var(--shell);margin-inline:auto}.nav{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;min-height:94px;display:flex}.brand{align-items:center;gap:13px;display:inline-flex}.brand img{border-radius:4px;display:block}.brand span{gap:5px;display:grid}.brand strong{letter-spacing:.04em;font-size:16px;line-height:1}.brand small,.eyebrow{color:var(--mint-dark);letter-spacing:.13em;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px;font-weight:700}.nav nav{align-items:center;gap:34px;font-size:14px;font-weight:600;display:flex}.nav nav a,.back-link,.footer a{text-underline-offset:5px}.nav nav a:hover,.nav nav a:focus-visible,.back-link:hover,.back-link:focus-visible,.footer a:hover,.footer a:focus-visible{text-decoration:underline}.hero{grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr);align-items:center;gap:72px;min-height:680px;padding-block:84px;display:grid}.hero h1,.api-hero h1,.legal-content h1{letter-spacing:-.065em;margin:25px 0 0;font-family:Songti SC,STSong,serif;font-size:clamp(58px,6vw,86px);font-weight:700;line-height:.99}.lead{max-width:600px;color:var(--muted);margin:31px 0 0;font-size:18px;line-height:1.85}.button{background:var(--ink);width:fit-content;min-height:50px;color:var(--paper);align-items:center;gap:28px;margin-top:39px;padding:0 22px;font-size:14px;font-weight:700;transition:background .18s,transform .18s;display:inline-flex}.button:hover{background:var(--mint-dark);transform:translateY(-2px)}.button:focus-visible{outline:3px solid var(--mint);outline-offset:3px}.data-board{border:1px solid var(--ink);background:var(--paper-strong);min-height:478px;position:relative;overflow:hidden}.data-board:before{content:"";background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);opacity:.42;background-size:32px 32px;position:absolute;inset:0}.board-number{color:var(--mint-dark);padding:24px;font:700 11px ui-monospace,monospace;display:block;position:relative}.board-row{border-top:1px solid var(--line);background:color-mix(in srgb, var(--paper-strong) 88%, transparent);grid-template-columns:64px 1fr auto;align-items:center;gap:18px;min-height:86px;padding:0 24px;display:grid;position:relative}.board-row:last-of-type{border-bottom:1px solid var(--line)}.board-row b{font-size:15px}.board-row span{color:var(--muted);font-size:13px}.board-row i{letter-spacing:.1em;font:700 10px ui-monospace,monospace}.board-row.active{background:var(--ink);color:var(--paper)}.board-row.active span{color:#c2d1cc}.board-row.active i{color:#63e3c4}.board-mark{color:var(--mint);letter-spacing:-.12em;font:800 122px/.8 ui-monospace,monospace;position:absolute;bottom:-46px;right:-13px}.service-section{background:var(--ink);color:var(--paper);padding:112px 0}.service-grid{grid-template-columns:.78fr 1.22fr;align-items:start;gap:110px;display:grid}.section-intro h2{letter-spacing:-.04em;margin:20px 0 17px;font:700 clamp(34px,4vw,52px)/1.15 Songti SC,STSong,serif}.section-intro>p:last-child{color:#aab8b3;max-width:430px;font-size:16px;line-height:1.8}.service-card{border-top:1px solid #73807b}.price-row{border-bottom:1px solid #44524e;justify-content:space-between;align-items:end;gap:24px;padding:33px 0;display:flex}.price-row>div{gap:7px;display:grid}.price-row small{color:#aab8b3;font-size:12px}.price-row strong{letter-spacing:-.06em;font:800 clamp(42px,5vw,67px)/1 ui-monospace,monospace}.price-row>span{color:#aab8b3;font-size:13px}.service-card ul{border-bottom:1px solid #44524e;margin:0;padding:22px 0;list-style:none}.service-card li{gap:18px;padding:10px 0;font-size:15px;display:flex}.service-card li span{color:#63e3c4;font-weight:800}.service-terms{padding:28px 0}.service-terms strong{font-size:14px}.service-terms p{color:#aab8b3;margin:12px 0 0;font-size:13px;line-height:1.75}.mini-program{background:var(--mint);color:var(--ink);grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:18px 20px;display:grid}.mini-program span,.mini-program small{font-size:12px}.mini-program strong{font-size:17px}.mini-program:hover,.mini-program:focus-visible{background:#63e3c4}.mini-program:focus-visible{outline:3px solid var(--paper);outline-offset:3px}.platform-link{color:#63e3c4;align-items:center;gap:18px;font-size:14px;font-weight:700;display:inline-flex}.platform-link:hover,.platform-link:focus-visible{text-underline-offset:6px;text-decoration:underline}.platform-link:focus-visible{outline:3px solid var(--paper);outline-offset:6px}.process{padding-block:118px 96px}.process .section-intro>p:last-child{color:var(--muted)}.steps{border-top:1px solid var(--ink);margin:57px 0 0;padding:0;list-style:none}.steps li{border-bottom:1px solid var(--line);grid-template-columns:100px 1fr;gap:28px;padding:31px 0;display:grid}.steps>li>span{color:var(--mint-dark);font:800 13px ui-monospace,monospace}.steps strong{font-size:17px}.steps p{color:var(--muted);margin:8px 0 0;font-size:14px}.notice{border-left:4px solid var(--mint);background:var(--paper-strong);width:min(100%,520px);margin:53px 0 0 auto;padding:23px 25px}.notice strong{font-size:13px}.notice p{color:var(--muted);margin:6px 0 0;font-size:13px}.footer{border-top:1px solid var(--line);min-height:104px;color:var(--muted);justify-content:space-between;align-items:center;gap:24px;font-size:12px;display:flex}.footer-links{flex-wrap:wrap;justify-content:end;gap:24px;display:flex}.api-page{background:var(--ink);min-height:100vh;color:var(--paper)}.api-page .nav{border-color:#44524e}.status-link{align-items:center;gap:9px;font:700 12px ui-monospace,monospace;display:inline-flex}.status-link span{background:#63e3c4;border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 4px #63e3c41f}.api-hero{border-bottom:1px solid #44524e;padding:108px 0 68px}.api-hero h1{font-size:clamp(54px,7vw,92px)}.api-hero>p:last-child{color:#aab8b3;max-width:660px;margin:26px 0 0;line-height:1.8}.api-content{grid-template-columns:1fr 1fr;gap:1px;padding-block:70px 110px;display:grid}.endpoint{border:1px solid #44524e;min-width:0;padding:34px}.endpoint+.endpoint{margin-left:-1px}.endpoint-title{align-items:center;gap:16px;display:flex}.endpoint-title span{background:var(--mint);color:var(--ink);padding:5px 8px;font:800 11px ui-monospace,monospace}.endpoint-title code{font:700 21px ui-monospace,monospace}.endpoint>p{color:#aab8b3;font-size:13px}.endpoint pre{color:#c6f8ec;background:#09130f;max-height:390px;margin:26px 0 0;padding:20px;font:12px/1.65 ui-monospace,monospace;overflow:auto}.api-page .footer{color:#aab8b3;border-color:#44524e}.legal-page{min-height:100vh}.back-link{font-size:13px;font-weight:700}.legal-content{max-width:860px;padding-block:91px 120px}.legal-content header{border-bottom:1px solid var(--ink);padding-bottom:45px}.legal-content h1{font-size:clamp(48px,7vw,76px)}.legal-version{color:var(--muted);margin:20px 0 0;font:12px ui-monospace,monospace}.legal-content section{border-bottom:1px solid var(--line);grid-template-columns:180px 1fr;gap:40px;padding:38px 0;display:grid}.legal-content h2{margin:0;font-size:16px}.legal-content section p{color:var(--muted);margin:0;font-size:14px;line-height:2}.pay-page{min-height:100vh}.pay-shell{padding-block:74px 110px}.pay-intro{max-width:760px;margin-bottom:48px}.pay-intro h1{letter-spacing:-.055em;margin:20px 0 0;font:700 clamp(44px,6vw,72px)/1.08 Songti SC,STSong,serif}.pay-intro>p:last-child{color:var(--muted);margin:21px 0 0;line-height:1.8}.checkout-grid{grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr);align-items:start;gap:64px;display:grid}.checkout-form{border-top:1px solid var(--ink);gap:24px;padding-top:30px;display:grid}.checkout-summary{border-bottom:1px solid var(--line);justify-content:space-between;gap:28px;padding:0 0 27px;display:flex}.checkout-summary>div{gap:8px;display:grid}.checkout-summary>div:last-child{text-align:right}.checkout-summary small{color:var(--muted);font-size:12px}.checkout-summary strong{font-size:17px}.checkout-summary b{letter-spacing:-.05em;font:800 32px/1 ui-monospace,monospace}.mobile-wechat-notice{border-left:4px solid var(--mint);background:var(--paper-strong);padding:18px}.mobile-wechat-notice strong{font-size:14px}.mobile-wechat-notice p{color:var(--muted);margin:8px 0 0;font-size:12px;line-height:1.7}.mobile-wechat-notice button{border:0;border-bottom:1px solid var(--mint-dark);color:var(--mint-dark);cursor:pointer;background:0 0;margin-top:14px;padding:0 0 5px;font-family:inherit;font-size:12px;font-weight:700}.pay-field{gap:9px;display:grid}.pay-field>span{font-size:13px;font-weight:700}.pay-field i{color:#b72c2c;font-style:normal}.pay-field em{color:var(--muted);font-size:11px;font-style:normal;font-weight:400}.pay-field input,.pay-field select,.pay-field textarea{border:1px solid var(--line);width:100%;color:var(--ink);font:inherit;background:#fffdf7;border-radius:0;outline:none;font-size:15px}.pay-field input,.pay-field select{min-height:50px;padding:0 14px}.pay-field textarea{resize:vertical;min-height:126px;padding:14px;line-height:1.7}.pay-field input:focus,.pay-field select:focus,.pay-field textarea:focus{border-color:var(--mint-dark);box-shadow:0 0 0 2px #16b89421}.pay-field>small{color:var(--muted);text-align:right;margin-top:-3px;font-size:11px}.pay-agreement{color:var(--muted);align-items:flex-start;gap:9px;font-size:13px;line-height:1.6;display:flex}.pay-agreement input{accent-color:var(--mint-dark);margin-top:3px}.pay-agreement a{color:var(--ink);text-underline-offset:4px;text-decoration:underline}.pay-submit{cursor:pointer;border:0;justify-content:center;width:100%}.pay-submit:disabled{cursor:not-allowed;opacity:.55;transform:none}.payment-actions{grid-template-columns:1fr 1fr;gap:12px;display:grid}.pay-submit-alipay{color:#fff;background:#1677ff}.pay-submit-alipay:hover{background:#0958d9}.pay-submit-alipay:focus-visible{outline-color:#1677ff}.pay-mode-note{color:var(--muted);text-align:center;margin:-12px 0 0;font-size:12px}.payment-panel{background:var(--ink);min-height:470px;color:var(--paper);padding:34px;position:sticky;top:28px;overflow:hidden}.payment-panel:after{content:"CY";color:#16b8942e;letter-spacing:-.12em;font:800 112px/.8 ui-monospace,monospace;position:absolute;bottom:-35px;right:-11px}.payment-panel>*{z-index:1;position:relative}.payment-panel h2{margin:22px 0 0;font:700 31px/1.2 Songti SC,STSong,serif}.payment-panel>p:not(.eyebrow){color:#b9c6c1;min-height:52px;margin:13px 0 0;font-size:13px;line-height:1.75}.payment-panel code{overflow-wrap:anywhere;color:#63e3c4;margin-top:18px;font:11px/1.6 ui-monospace,monospace;display:block}.payment-panel ul{color:#b9c6c1;border-top:1px solid #44524e;margin:30px 0 0;padding:22px 0 0 18px;font-size:12px;line-height:2}.payment-panel.paid{background:var(--mint-dark)}.payment-qr{background:#fff;width:min(280px,100%);height:auto;margin:24px auto;padding:10px;display:block}.pay-error{color:#ffd9d6;background:#ff80771f;border-left:3px solid #ff8077;margin-top:18px;padding:12px 14px;font-size:12px;line-height:1.6}.verify-button{color:#63e3c4;cursor:pointer;background:0 0;border:0;border-bottom:1px solid #63e3c4;margin-top:16px;padding:10px 0;font-family:inherit;font-size:12px;font-weight:700}.verify-button:disabled{cursor:wait;opacity:.6}@media (max-width:860px){:root{--shell:min(calc(100vw - 32px), 680px)}.nav{min-height:78px}.nav nav{gap:18px}.hero{grid-template-columns:minmax(0,1fr);gap:56px;min-height:auto;padding-block:70px}.hero>*{min-width:0}.hero h1{word-break:break-all;font-size:clamp(53px,13vw,84px)}.data-board{min-width:0;min-height:420px}.service-grid{grid-template-columns:1fr;gap:54px}.service-section,.process{padding-block:82px}.checkout-grid{grid-template-columns:1fr;gap:40px}.payment-panel{min-height:390px;position:static}.api-content{grid-template-columns:1fr}.endpoint+.endpoint{margin:-1px 0 0}}@media (max-width:560px){.nav nav a:not(:last-child){display:none}.hero{padding-block:58px}.hero h1{font-size:clamp(46px,13vw,64px)}.lead{font-size:16px}.data-board{min-height:386px}.board-row{grid-template-columns:46px 1fr;gap:12px;padding-inline:16px}.board-row i{display:none}.service-grid{gap:40px}.price-row{flex-direction:column;align-items:start}.mini-program{grid-template-columns:1fr auto}.mini-program small{grid-column:1/-1}.steps li{grid-template-columns:48px 1fr;gap:18px}.footer{flex-direction:column;justify-content:center;align-items:flex-start;min-height:130px}.footer-links{justify-content:start}.api-hero{padding-block:72px 48px}.endpoint{padding:24px 18px}.endpoint-title code{font-size:18px}.legal-content{padding-block:64px 80px}.legal-content section{grid-template-columns:1fr;gap:16px}.pay-shell{padding-block:55px 80px}.checkout-summary{flex-direction:column;align-items:flex-start}.checkout-summary>div:last-child{text-align:left}.payment-panel{padding:28px 22px}.payment-actions{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important}}
