:root{--bg:#090b0c;--panel:#111416;--panel2:#171b1e;--line:#262c2f;--text:#f3f5f4;--muted:#8d9792;--acid:#b8f23f;--acid2:#dcff92;--green:#62e6a2;--amber:#ffca68;--red:#ff7d73;--radius:20px;--mono:'SFMono-Regular',Consolas,'Liberation Mono',monospace;--sans:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);min-height:100vh;line-height:1.55}a{color:inherit;text-decoration:none}button,input{font:inherit}.ambient{position:fixed;border-radius:50%;filter:blur(120px);pointer-events:none;opacity:.12;z-index:-1}.ambient-a{width:500px;height:500px;background:var(--acid);right:-250px;top:-180px}.ambient-b{width:430px;height:430px;background:#1f8f7a;left:-280px;bottom:-250px}.topbar{width:min(1180px,calc(100% - 40px));height:82px;margin:auto;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.08)}.brand{font-weight:800;letter-spacing:-.04em;display:flex;align-items:center;gap:12px;font-size:18px}.brand em{font-style:normal;color:var(--acid)}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--acid);color:#0d1008;font-weight:800;box-shadow:0 0 30px rgba(184,242,63,.18)}.brand-mark.large{width:48px;height:48px;font-size:23px;border-radius:14px}.topbar nav{display:flex;align-items:center;gap:8px}.nav-link{border:0;background:none;color:var(--muted);padding:8px 13px;cursor:pointer;font-size:14px}.nav-link:hover,.nav-link.active{color:var(--text)}.inline-form{display:inline}.button{border:1px solid var(--acid);background:var(--acid);color:#0a0d06;display:inline-flex;justify-content:center;align-items:center;gap:12px;border-radius:11px;padding:13px 19px;font-weight:800;cursor:pointer;transition:.2s}.button:hover{background:var(--acid2);border-color:var(--acid2);transform:translateY(-1px)}.button.small{padding:8px 13px;font-size:13px}.button.ghost{background:transparent;color:var(--text);border-color:var(--line)}.button.ghost:hover{border-color:#56605b;background:rgba(255,255,255,.03)}.button.full{width:100%}.button:disabled{opacity:.35;cursor:not-allowed;transform:none}.button-link{font-weight:500}.shell{width:min(1180px,calc(100% - 40px));min-height:calc(100vh - 160px);margin:0 auto;padding:54px 0 80px}.hero{padding:72px 0 78px;max-width:900px}.eyebrow{text-transform:uppercase;color:var(--acid);font-family:var(--mono);font-size:12px;letter-spacing:.14em;margin-bottom:18px}.pulse{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--acid);box-shadow:0 0 0 5px rgba(184,242,63,.1);margin-right:11px}.hero h1,.auth-copy h1,.page-head h1{font-size:clamp(48px,8vw,94px);line-height:.98;letter-spacing:-.065em;margin:0;font-weight:700}.hero h1 span{color:var(--acid)}.hero>p{font-size:18px;line-height:1.75;max-width:680px;color:#aab3ae;margin:28px 0 34px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature,.card{border:1px solid var(--line);background:linear-gradient(145deg,rgba(23,27,30,.92),rgba(14,17,18,.94));border-radius:var(--radius)}.feature{padding:28px;min-height:225px;position:relative;overflow:hidden}.feature-num{font-family:var(--mono);font-size:11px;color:#68716d}.feature h3{font-size:20px;margin:50px 0 9px}.feature p{margin:0;color:var(--muted);font-size:14px}.feature code,.hint code,.mini-note code{font-family:var(--mono);color:var(--acid);font-size:.9em}.protocol-strip{margin-top:14px;border:1px solid var(--line);border-radius:14px;padding:18px 25px;display:flex;align-items:center;justify-content:space-between;color:#68716d;font:11px var(--mono);letter-spacing:.08em}.protocol-strip i{height:4px;width:4px;border-radius:50%;background:#39413d}.footer{width:min(1180px,calc(100% - 40px));height:78px;margin:auto;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center;color:#5f6964;font:11px var(--mono);text-transform:uppercase;letter-spacing:.08em}.flash{padding:13px 17px;border:1px solid;border-radius:12px;margin-bottom:24px;font-size:14px}.flash.success{color:var(--green);border-color:rgba(98,230,162,.3);background:rgba(98,230,162,.07)}.flash.error{color:var(--red);border-color:rgba(255,125,115,.3);background:rgba(255,125,115,.07)}

.auth-wrap{min-height:620px;display:grid;grid-template-columns:1.1fr .75fr;gap:80px;align-items:center}.auth-copy h1{font-size:70px}.auth-copy p{color:var(--muted);max-width:430px;font-size:17px}.auth-card{padding:30px}.card-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.card-title span{font-weight:700;font-size:18px}.card-title small{font:10px var(--mono);color:#68716d;text-transform:uppercase;letter-spacing:.08em}.auth-card label{display:block;color:#aab3ae;font-size:13px;margin:0 0 18px}.auth-card input{width:100%;margin-top:8px;border:1px solid var(--line);border-radius:10px;padding:13px 14px;background:#0b0e0f;color:var(--text);outline:none}.auth-card input:focus{border-color:var(--acid);box-shadow:0 0 0 3px rgba(184,242,63,.07)}.auth-card .button{margin-top:5px}.form-error{border:1px solid rgba(255,125,115,.3);background:rgba(255,125,115,.07);color:var(--red);padding:11px 13px;border-radius:9px;margin:-8px 0 20px;font-size:13px}.form-foot{text-align:center;color:var(--muted);font-size:13px;margin:20px 0 0}.form-foot a{color:var(--acid)}

.page-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:42px}.page-head h1{font-size:56px}.page-head p{font:12px var(--mono);color:var(--muted);margin:12px 0 0}.back{display:block;color:var(--muted);font-size:13px;margin-bottom:20px}.back:hover{color:var(--acid)}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:14px}.stat{border:1px solid var(--line);border-radius:16px;padding:22px 25px;background:rgba(18,22,23,.72);display:grid;grid-template-columns:1fr auto;align-items:end}.stat span,.stat small{color:var(--muted);font-size:12px}.stat strong{grid-row:1/3;grid-column:2;font-size:42px;line-height:1}.stat strong.green{color:var(--green)}.stat strong.amber{color:var(--amber)}.credentials{padding:28px;margin-bottom:44px}.credential-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:12px}.credential-grid>div{background:#0b0e0f;border:1px solid #202528;padding:16px;border-radius:11px;min-width:0}.credential-grid .wide{grid-column:span 2}.credential-grid label{display:block;color:#68716d;font:10px var(--mono);text-transform:uppercase;margin-bottom:8px}.credential-grid code{display:block;font:13px var(--mono);color:var(--acid);overflow:auto;white-space:nowrap}.hint{margin:18px 0 0;color:var(--muted);font-size:13px}.section-head{display:flex;justify-content:space-between;align-items:end;margin:0 0 15px}.section-head h2{margin:0;font-size:24px}.section-head p{margin:3px 0 0;color:var(--muted);font-size:13px}.section-head>a{color:var(--acid);font-size:13px}.table-card{overflow:hidden}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left}th{padding:14px 18px;color:#64706a;font:10px var(--mono);text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--line)}td{padding:17px 18px;border-bottom:1px solid rgba(38,44,47,.8);font-size:13px}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:rgba(255,255,255,.018)}td code{font:12px var(--mono);color:#d9dfdc}td small{display:block;color:#65706a;font:10px var(--mono);margin-top:5px;max-width:220px;overflow:hidden;text-overflow:ellipsis}.money{font-family:var(--mono);white-space:nowrap}.status{display:inline-flex;align-items:center;gap:7px;font-size:12px}.status i{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 0 4px currentColor;outline:4px solid transparent}.status.pending{color:var(--amber)}.status.paid{color:var(--green)}.status.large{padding:9px 12px;border:1px solid currentColor;border-radius:999px}.callback{display:inline-flex;border-radius:999px;padding:4px 8px;font:10px var(--mono);text-transform:uppercase}.callback.success{color:var(--green);background:rgba(98,230,162,.08)}.callback.failed{color:var(--red);background:rgba(255,125,115,.08)}.muted{color:#66716b}.row-link{color:var(--acid);white-space:nowrap}.empty{text-align:center;padding:65px 20px}.empty span{color:var(--acid);font:26px var(--mono)}.empty h3{margin:12px 0 4px}.empty p{color:var(--muted);font-size:13px;margin:0}.empty.compact{padding:35px}

.detail-grid{display:grid;grid-template-columns:1fr 340px;gap:14px;margin-bottom:44px}.detail-grid>.card{padding:28px}.detail-list{margin:0}.detail-list>div{display:grid;grid-template-columns:150px 1fr;padding:14px 0;border-top:1px solid var(--line)}.detail-list dt{font-size:12px;color:var(--muted)}.detail-list dd{margin:0;font-size:13px;text-align:right}.detail-list .price{font:20px var(--mono);color:var(--acid)}.detail-list code{font-family:var(--mono)}.break{word-break:break-all}.action-card>p{color:var(--muted);font-size:13px;margin:0 0 23px}.action-card form+form{margin-top:10px}.mini-note{text-align:center!important;font-size:11px!important;margin:16px 0 0!important}.timeline{display:grid;gap:12px}.log-item{padding:22px 25px;border-left:3px solid var(--red)}.log-item.ok{border-left-color:var(--green)}.log-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:17px;border-bottom:1px solid var(--line)}.log-top>div{display:flex;gap:10px;align-items:center}.log-top strong{font-size:13px}.log-top time{font:10px var(--mono);color:#68716d}.log-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0 0}.log-grid .wide{grid-column:1/-1}.log-grid dt{font:10px var(--mono);color:#68716d;text-transform:uppercase}.log-grid dd{margin:5px 0 0;font-size:12px}.log-grid code{font-family:var(--mono)}pre{margin:0;background:#090c0d;border:1px solid #202528;border-radius:10px;padding:16px;color:#b9c3be;font:12px/1.7 var(--mono);overflow:auto;white-space:pre-wrap}

.cashier-wrap{max-width:520px;margin:30px auto}.cashier-brand{display:flex;align-items:center;gap:14px;margin-bottom:20px}.cashier-brand div{display:flex;flex-direction:column}.cashier-brand small{color:var(--muted);font-size:11px}.cashier-card{text-align:center;padding:38px}.sandbox-badge{display:inline-block;color:var(--acid);border:1px solid rgba(184,242,63,.25);background:rgba(184,242,63,.06);border-radius:999px;padding:6px 10px;font:10px var(--mono);letter-spacing:.06em}.cashier-card h1{font-size:27px;letter-spacing:-.04em;margin:17px 0 7px}.cashier-card>p{color:var(--muted);font-size:13px;margin:0 auto 25px;max-width:380px}.receipt{background:#0b0e0f;border:1px solid #202528;border-radius:14px;padding:5px 18px;margin:25px 0;text-align:left}.receipt>div{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line);font-size:12px}.receipt>div:last-child{border:0}.receipt span{color:var(--muted)}.receipt code{font:11px var(--mono)}.receipt .total strong{font:20px var(--mono);color:var(--acid)}.pay-button{padding:15px}.return-link{display:inline-block;color:var(--acid);font-size:12px;margin-top:20px}.result-icon{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;margin:auto;font-size:28px;font-weight:800}.result-icon.ok{color:#09120d;background:var(--green);box-shadow:0 0 40px rgba(98,230,162,.18)}.result-icon.warn{color:#181103;background:var(--amber)}

.docs-layout{display:grid;grid-template-columns:220px 1fr;gap:45px;align-items:start}.docs-nav{padding:12px;position:sticky;top:20px}.docs-nav a{display:block;padding:10px 12px;color:var(--muted);font-size:12px;border-radius:8px}.docs-nav a:hover{color:var(--acid);background:rgba(255,255,255,.025)}.docs-content{max-width:760px}.docs-content section{padding:0 0 48px;margin-bottom:48px;border-bottom:1px solid var(--line);scroll-margin-top:30px}.docs-content h2{font-size:28px;letter-spacing:-.03em;margin:0 0 16px}.docs-content p,.docs-content li{color:#a2aca7;font-size:14px}.docs-content code{font-family:var(--mono);color:#dbe0de}.docs-content>section>pre{margin-top:18px}.config-lines{border:1px solid var(--line);border-radius:13px;overflow:hidden;margin-top:20px}.config-lines div{display:grid;grid-template-columns:180px 1fr;padding:13px 16px;border-bottom:1px solid var(--line);font-size:12px}.config-lines div:last-child{border:0}.config-lines span{color:var(--muted)}.config-lines code{color:var(--acid);overflow:auto}.param-table{border:1px solid var(--line);border-radius:13px;overflow:hidden;margin-top:20px}.param-table div{display:grid;grid-template-columns:160px 1fr 55px;align-items:center;padding:11px 15px;border-bottom:1px solid var(--line);font-size:12px}.param-table div:last-child{border:0}.param-table span{color:var(--muted)}.param-table b{color:var(--acid);font:9px var(--mono)}.param-table b.optional{color:#727d77}.callout{border-left:2px solid var(--acid);background:rgba(184,242,63,.05);padding:13px 16px;margin-top:14px;color:#bbc4bf;font-size:13px}.error-page{text-align:center;max-width:620px;margin:90px auto}.error-page>span{display:grid;place-items:center;width:70px;height:70px;border:1px solid rgba(255,125,115,.3);border-radius:50%;color:var(--red);font-size:30px;margin:0 auto 25px}.error-page h1{font-size:48px;letter-spacing:-.05em;margin:0}.error-page p{color:var(--muted);margin:12px 0 28px}

.admin-badge{border:1px solid rgba(184,242,63,.35);background:rgba(184,242,63,.07);color:var(--acid);border-radius:999px;padding:8px 12px;font:10px var(--mono);letter-spacing:.12em}.admin-grid{display:grid;grid-template-columns:1fr 300px;gap:14px;margin-bottom:44px}.admin-create,.admin-summary{padding:28px}.admin-create label{display:grid;grid-template-columns:125px 1fr;align-items:center;color:var(--muted);font-size:12px;margin-bottom:13px}.admin-create input{border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:#0b0e0f;color:var(--text);outline:none}.admin-create input:focus{border-color:var(--acid)}.admin-create .button{margin-top:8px}.admin-summary{display:grid;grid-template-columns:1fr 1fr;gap:14px}.admin-summary .card-title{grid-column:1/-1}.admin-summary>strong{grid-column:1/-1;font-size:64px;line-height:1;color:var(--acid)}.admin-summary>span{grid-column:1/-1;color:var(--muted);font-size:12px;margin-top:-8px}.admin-summary>div:not(.card-title){border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column}.admin-summary b{font:20px var(--mono)}.admin-summary small{color:var(--muted);font-size:10px}.role{display:inline-flex;border-radius:999px;padding:4px 8px;font:10px var(--mono)}.role.admin{color:var(--acid);background:rgba(184,242,63,.08)}.role.merchant{color:#9da8a2;background:rgba(255,255,255,.05)}code.secret{color:var(--acid);font-size:10px}

@media(max-width:850px){.feature-grid,.stat-grid{grid-template-columns:1fr}.auth-wrap{grid-template-columns:1fr;gap:35px}.auth-copy h1{font-size:50px}.credential-grid{grid-template-columns:1fr}.credential-grid .wide{grid-column:auto}.detail-grid{grid-template-columns:1fr}.docs-layout{grid-template-columns:1fr}.docs-nav{position:static;display:flex;overflow:auto}.docs-nav a{white-space:nowrap}.protocol-strip{flex-wrap:wrap;gap:15px}.protocol-strip i{display:none}.admin-grid{grid-template-columns:1fr}}
@media(max-width:600px){.topbar{width:calc(100% - 24px)}.topbar .nav-link:not(.button-link){display:none}.shell{width:calc(100% - 24px);padding-top:35px}.hero{padding-top:40px}.hero h1{font-size:48px}.hero>p{font-size:15px}.feature-grid{grid-template-columns:1fr}.footer{width:calc(100% - 24px)}.footer span:last-child{display:none}.page-head{align-items:flex-start;gap:20px}.page-head h1{font-size:42px}.detail-list>div{grid-template-columns:1fr;gap:5px}.detail-list dd{text-align:left}.log-grid{grid-template-columns:1fr}.log-grid .wide{grid-column:auto}.cashier-card{padding:27px 20px}.config-lines div,.param-table div{grid-template-columns:1fr;gap:4px}.param-table b{grid-column:1}.docs-content h2{font-size:24px}.admin-create label{grid-template-columns:1fr;gap:6px}}