:root{--bg: #f5f7fb;--card: rgba(255, 255, 255, .92);--text: #1f2937;--muted: #6b7280;--primary: #2563eb;--primary-2: #1d4ed8;--line: rgba(148, 163, 184, .25);--shadow: 0 12px 40px rgba(15, 23, 42, .08);--radius: 20px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans SC,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;color:var(--text);background:radial-gradient(circle at top left,rgba(37,99,235,.12),transparent 35%),radial-gradient(circle at top right,rgba(14,165,233,.1),transparent 30%),var(--bg);min-height:100vh}button,input,textarea{font:inherit}textarea{resize:vertical}.app{max-width:980px;margin:0 auto;padding:16px}.hero{padding:18px 16px 10px}.hero h1{margin:0;font-size:24px;line-height:1.25}.hero p{margin:10px 0 0;color:var(--muted);font-size:14px;line-height:1.6}.grid{display:grid;grid-template-columns:1fr;gap:16px}@media(min-width:920px){.grid{grid-template-columns:1.15fr 1.1fr;align-items:start}}.card{background:var(--card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.6);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.card-header{padding:16px 18px 12px;border-bottom:1px solid var(--line)}.card-header h2{margin:0;font-size:18px}.card-header small{display:block;margin-top:6px;color:var(--muted)}.card-header-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.form{padding:16px 18px 18px}.field{margin-bottom:14px}.label{display:block;font-size:13px;font-weight:600;margin-bottom:8px}.input,.textarea,.select{width:100%;border:1px solid rgba(148,163,184,.35);border-radius:14px;padding:13px 14px;font-size:16px;background:#fff;color:var(--text);outline:none;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.input[type=date]{min-height:52px;line-height:24px;-webkit-appearance:none;-moz-appearance:none;appearance:none;text-align:left}.input[type=date]::-webkit-date-and-time-value{text-align:left}.input[type=date]::-webkit-datetime-edit,.input[type=date]::-webkit-datetime-edit-year-field,.input[type=date]::-webkit-datetime-edit-month-field,.input[type=date]::-webkit-datetime-edit-day-field{text-align:left}.input:focus,.textarea:focus,.select:focus{border-color:#2563eba6;box-shadow:0 0 0 4px #2563eb1a}.textarea{min-height:110px;line-height:1.7}.textarea-topic{min-height:100px}.textarea-lg{min-height:200px}.time-row{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:8px;align-items:center}.time-input{text-align:center;padding-left:10px;padding-right:10px}.time-input::placeholder{color:#cbd5e1;opacity:1}.time-sep{color:var(--muted);font-weight:600;-webkit-user-select:none;user-select:none}.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.actions-3{grid-template-columns:1fr 1fr 1fr}.btn{border:0;border-radius:14px;padding:14px;font-size:15px;font-weight:700;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff}.btn-danger{background:linear-gradient(135deg,#fecaca,#fca5a5);color:#991b1b}.btn-wechat{background:linear-gradient(135deg,#34d399,#16a34a);color:#fff}.preview{padding:10px 8px 12px}.poster-wrap{background:linear-gradient(180deg,#f8fbff,#fff);border-radius:18px;border:1px solid rgba(148,163,184,.22);padding:12px;position:relative}.poster{width:100%;min-height:760px;background:#fff;border-radius:20px;border:1px solid rgba(37,99,235,.12);padding:18px 18px 16px;display:flex;flex-direction:column;gap:10px;position:relative;overflow:visible}.poster:before{content:"";position:absolute;inset:auto -20% -18% auto;width:180px;height:180px;background:radial-gradient(circle,rgba(37,99,235,.12),transparent 70%)}.poster-top,.poster-bottom{position:relative;z-index:1}.poster-top-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:4px}.poster-bottom{position:relative;z-index:1}.poster-title{font-size:24px;font-weight:800;margin:0 0 4px}.poster-subtitle{color:var(--muted);margin:0 0 10px;font-size:13px}.poster-block{margin-bottom:8px}.poster-label{font-size:12px;color:#64748b;margin-bottom:4px;letter-spacing:.02em}.poster-value{font-size:15px;line-height:1.55;white-space:pre-wrap}.poster-wm{position:absolute;top:0;right:0;bottom:0;left:0;background-repeat:no-repeat;background-position:center;background-size:420px auto;opacity:.12;pointer-events:none;z-index:0;background-image:url(/assets/shuiyin-CuFR2bRV.png)}.poster-save-btn{border:0;background:linear-gradient(135deg,#16a34a,#15803d);color:#fff;border-radius:999px;padding:10px 16px;font-size:13px;font-weight:700;box-shadow:0 8px 20px #16a34a2e}.hint{margin-top:10px;font-size:12px;color:var(--muted);line-height:1.6}.poster-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172ab8;display:flex;align-items:center;justify-content:center;padding:18px;z-index:50}.poster-modal-card{width:min(94vw,520px);background:#fff;border-radius:20px;overflow:hidden}.poster-modal-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid #e5e7eb}.poster-modal-title{font-size:15px;font-weight:700}.poster-modal-close{border:0;background:transparent;font-size:20px;line-height:1}.poster-modal-body{padding:12px;display:flex;justify-content:center;align-items:center}.poster-modal-img{width:auto;max-width:100%;max-height:72vh;display:block;border-radius:14px;margin:0 auto;object-fit:contain}.poster-modal-tip{padding:0 16px 16px;color:var(--muted);font-size:12px;line-height:1.6;text-align:center}.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%);background:#111827eb;color:#fff;padding:10px 14px;border-radius:999px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease}.toast.show{opacity:1;transform:translate(-50%) translateY(-4px)}.toast:empty{display:none!important}