:root{--ink:#17352f;--muted:#78908a;--line:#dce9e3;--paper:#fff;--wash:#f5faf7;--mint:#0bbd86;--deep:#0d8067;--amber:#f2a64a;--danger:#c55252;--shadow:0 20px 60px rgba(21,74,61,.10);font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--wash)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--wash)}button,input,select,textarea{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(11,189,134,.22);outline-offset:2px}.hidden{display:none!important}.eyebrow{font-size:11px;letter-spacing:.18em;color:var(--deep);font-weight:800}.mobile-page{background:linear-gradient(150deg,#dff9ee 0,#f6fcf8 25%,#f5faf7 100%)}.mobile-shell{width:min(100%,620px);margin:0 auto;padding:0 18px 44px}.brand-hero{padding:34px 7px 22px}.brand-hero h1{margin:8px 0 6px;font-size:30px;line-height:1.15;letter-spacing:-.04em}.brand-hero p{margin:0;color:var(--muted);font-size:14px}.state-card,.form-card,.summary-card,.result-card,.history-card{background:rgba(255,255,255,.94);border:1px solid rgba(210,232,223,.75);border-radius:24px;box-shadow:var(--shadow)}.state-card{padding:24px;color:var(--muted);text-align:center}.error-state{color:var(--danger);background:#fff8f6}.form-card{padding:21px 20px;margin-bottom:12px}.section-heading{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:13px;font-size:19px;font-weight:800}.section-heading small{font-size:11px;font-weight:500;color:var(--muted)}.section-heading b,.field b{color:#e65c4d}.field-grid{display:grid;gap:14px}.field{display:block}.field span{display:block;font-size:13px;font-weight:700;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--ink);padding:9px 2px;font-size:15px}.field input::placeholder{color:#b5c7c0}.field select:disabled{color:#b5c7c0}.consent{display:flex;align-items:flex-start;gap:8px;margin-top:18px;color:var(--muted);font-size:12px;line-height:1.6}.consent input{accent-color:var(--mint);margin-top:3px}.summary-card{display:flex;justify-content:space-between;align-items:end;padding:20px;margin-bottom:16px}.summary-card small{display:block;color:var(--muted);font-size:12px;margin-bottom:6px}.summary-card strong{display:block;font-size:17px}.summary-card .amount{text-align:right}.summary-card .amount strong{font-size:26px;color:var(--deep);letter-spacing:-.04em}.primary-button{width:100%;border:0;border-radius:999px;color:#fff;background:linear-gradient(100deg,#09bb91,#06aa76);padding:16px 22px;font-size:18px;font-weight:800;box-shadow:0 12px 25px rgba(11,189,134,.22)}.primary-button:disabled{opacity:.55;cursor:wait}.text-button{display:block;margin:17px auto 0;border:0;background:transparent;color:var(--deep);font-weight:700}.result-card{padding:30px 22px;text-align:center;margin-top:16px}.result-mark{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;margin:0 auto 13px;background:#dff8ed;color:var(--deep);font-size:29px;font-weight:800}.result-card h2{margin:0 0 8px}.result-card p{margin:0;color:var(--muted)}.result-detail{margin:18px 0;padding:13px;background:var(--wash);border-radius:14px;text-align:left;font-size:13px;line-height:2}.history-card{padding:20px;margin-top:16px}.icon-button{border:0;background:transparent;color:var(--muted);font-size:13px}.history-list{display:grid;gap:9px}.history-item{padding:13px;border:1px solid var(--line);border-radius:15px;display:flex;justify-content:space-between;gap:12px}.history-item strong{display:block;font-size:14px}.history-item small{display:block;color:var(--muted);margin-top:4px}.status-paid{color:var(--deep)}.status-unpaid,.status-paying{color:var(--amber)}.status-closed{color:var(--muted)}.status-refunded{color:var(--danger)}
.login-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(145deg,#e3f8ef 0,#f5f8f6 55%,#edf5f1 100%)}.login-card{width:min(calc(100vw - 32px),390px);display:grid;gap:14px;padding:30px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.login-brand{margin-bottom:8px}.login-card h1{margin:0;font-size:27px;letter-spacing:-.05em}.login-card p{margin:-6px 0 7px;color:var(--muted);font-size:13px}.login-card label{display:grid;gap:6px;color:var(--muted);font-size:12px}.login-card input{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;background:#fbfdfc;color:var(--ink)}.login-button{width:100%;padding:11px}.admin-user{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}.password-modal p{color:var(--muted);font-size:13px;line-height:1.7;margin:0 0 16px}.password-modal label{display:grid;gap:6px;color:var(--muted);font-size:12px}.password-modal input{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;background:#fbfdfc;color:var(--ink)}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}
.admin-page{background:#f5f8f6}.admin-shell{display:flex;min-height:100vh}.sidebar{width:230px;background:#103b32;color:#dff8ed;padding:26px 20px;display:flex;flex-direction:column}.side-brand{display:flex;gap:11px;align-items:center}.side-brand b{display:block;font-size:17px;letter-spacing:.03em}.side-brand small{display:block;color:#8ebeb0;font-size:11px;margin-top:3px}.brand-dot{width:30px;height:30px;border-radius:10px;background:linear-gradient(135deg,#39e7af,#78ffd3);box-shadow:0 0 0 5px rgba(120,255,211,.10)}nav{display:grid;gap:6px;margin-top:57px}nav a{padding:12px 13px;border-radius:10px;color:#9fc8bb;text-decoration:none;font-size:14px}nav a.active,nav a:hover{color:#fff;background:rgba(255,255,255,.12)}.side-note{margin-top:auto;color:#7ba89c;font-size:11px;line-height:1.8}.admin-main{flex:1;min-width:0;padding:38px 5vw 70px}.admin-header,.section-title,.table-meta,.form-heading{display:flex;align-items:center;justify-content:space-between;gap:18px}.admin-header h1{font-size:34px;letter-spacing:-.06em;margin:7px 0 0}.token-box{display:flex;align-items:end;gap:8px}.token-box label{font-size:11px;color:var(--muted)}.token-box input{display:block;margin-top:5px;width:190px;border:1px solid var(--line);border-radius:9px;padding:9px 10px;background:#fff}.small-button,.secondary-button,.primary-small{border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);padding:9px 12px;font-size:13px}.primary-small{border:0;color:#fff;background:var(--deep);font-weight:700}.admin-section{margin-top:48px;scroll-margin-top:20px}.section-title{margin-bottom:16px}.section-title h2{font-size:24px;margin:5px 0 0;letter-spacing:-.04em}.actions{display:flex;gap:8px}.danger-outline{color:var(--danger)}.project-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:16px}.project-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:12px}.project-card,.admin-card,.filter-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.project-card{position:relative}.project-card h3{margin:0 0 18px;font-size:16px}.project-card .price{font-size:26px;font-weight:800;letter-spacing:-.05em;color:var(--deep)}.project-card .price small{font-size:13px;font-weight:600}.project-meta{color:var(--muted);font-size:12px;line-height:1.9;margin-top:13px}.project-actions{display:flex;gap:7px;margin-top:15px}.project-actions button{border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--deep);padding:6px 8px;font-size:12px}.project-actions .inactive{color:var(--danger)}.admin-card{display:grid;align-content:start;gap:13px}.admin-card h3{margin:0}.form-heading{margin-bottom:2px}.admin-card label{display:grid;gap:6px;color:var(--muted);font-size:12px}.admin-card input,.admin-card textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px;background:#fbfdfc;color:var(--ink);resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.form-message{color:var(--deep);font-size:12px;min-height:16px}.filter-card{display:flex;flex-wrap:wrap;gap:8px;padding:12px}.filter-card input,.filter-card select{border:1px solid var(--line);border-radius:8px;background:#fbfdfc;padding:9px;min-width:120px;color:var(--ink)}.table-meta{color:var(--muted);font-size:12px;margin:14px 2px}.table-wrap{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:auto}table{width:100%;border-collapse:collapse;min-width:850px;font-size:13px}th,td{text-align:left;padding:13px 15px;border-bottom:1px solid #edf3f0;white-space:nowrap}th{color:var(--muted);font-size:11px;font-weight:700;background:#fbfdfc}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:#fbfdfc}.detail-link{border:0;background:transparent;color:var(--deep);font-size:12px}.toast{position:fixed;right:25px;bottom:25px;background:#163f35;color:#fff;border-radius:9px;padding:11px 15px;font-size:13px;opacity:0;transform:translateY(8px);transition:.2s;pointer-events:none}.toast.show{opacity:1;transform:translateY(0)}.modal{position:fixed;inset:0;display:grid;place-items:center;background:rgba(10,38,31,.36);padding:20px}.modal-panel{position:relative;background:#fff;border-radius:18px;padding:25px;max-width:560px;width:100%;max-height:90vh;overflow:auto}.modal-close{position:absolute;right:16px;top:12px;border:0;background:transparent;font-size:25px;color:var(--muted)}.modal-panel h3{margin-top:0}.detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;font-size:13px}.detail-grid div{padding:10px;background:var(--wash);border-radius:9px}.detail-grid small{display:block;color:var(--muted);margin-bottom:4px}.detail-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;align-items:center}.detail-actions select{border:1px solid var(--line);border-radius:8px;background:#fbfdfc;padding:8px;color:var(--ink);font-size:13px}
.brand-hero{padding:12px 7px 12px;text-align:center}.brand-logo{display:block;width:38px;height:38px;object-fit:cover;border-radius:11px;margin:0 auto 6px}.brand-hero h1{margin:0;font-size:18px;line-height:1.3;letter-spacing:0;font-weight:600}.qr-image{display:block;width:min(100%,320px);height:auto;margin:8px auto 0}.qr-caption{text-align:center;color:var(--ink);font-size:14px;font-weight:700;margin:10px 0 16px}.entry-url{overflow-wrap:anywhere;color:var(--muted);font-size:12px}
@media(max-width:760px){.admin-shell{display:block}.sidebar{width:auto;padding:17px 20px}.sidebar nav{display:flex;margin-top:17px}.sidebar .side-note{display:none}.admin-main{padding:26px 16px 50px}.admin-header{align-items:flex-start;display:block}.token-box{margin-top:15px}.project-layout{grid-template-columns:1fr}.section-title{align-items:flex-start;display:block}.section-title .primary-small,.actions{margin-top:12px}.actions{flex-wrap:wrap}.filter-card>*{width:100%;min-width:0}.form-row{grid-template-columns:1fr}.mobile-shell{padding-left:14px;padding-right:14px}.brand-hero h1{font-size:28px}}
@media(max-width:760px){.brand-hero h1{font-size:18px}}
.guide-actions{display:grid;gap:10px;margin-top:14px}.guide-tip{color:var(--muted);font-size:12px;margin:12px 0 0}.qr-hint{text-align:center;color:var(--primary,#00a86b);font-size:13px;font-weight:600;margin:10px 0 4px}
.pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:16px}.pagination button:disabled{opacity:.4;cursor:not-allowed}.page-info{color:var(--muted);font-size:13px}
.grade-batch-bar{display:flex;align-items:center;gap:8px;margin-bottom:16px;flex-wrap:wrap}.grade-batch-bar label{display:flex;align-items:center;gap:5px;font-size:13px;color:var(--muted);cursor:pointer}.grade-card-check{display:flex;gap:12px;align-items:flex-start}.grade-card-check input{margin-top:5px;accent-color:var(--mint)}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}