*{box-sizing:border-box;margin:0;padding:0;font-family:"PingFang SC","Microsoft YaHei",sans-serif}
body{background:#f6f7f9;color:#2d3a45;min-height:100vh}
.wrap{max-width:480px;margin:0 auto;background:#f6f7f9;min-height:100vh;position:relative;padding-bottom:70px}
header{background:linear-gradient(135deg,#4c1d95,#7c3aed);color:#fff;padding:22px 18px 20px;border-radius:0 0 20px 20px}
header h1{font-size:22px;font-weight:700}
header p{font-size:13px;opacity:.9;margin-top:6px}
.banner{margin:14px 14px 0;background:#fff;border-radius:14px;padding:16px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.banner b{color:#4c1d95}
.section-title{padding:18px 16px 8px;font-size:16px;font-weight:700;color:#4c1d95}
.card{background:#fff;border-radius:14px;margin:0 14px 12px;padding:16px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.btn{display:block;width:calc(100% - 28px);margin:8px 14px;padding:13px;border:none;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;text-align:center}
.btn-primary{background:linear-gradient(135deg,#7c3aed,#4c1d95);color:#fff}
.btn-outline{background:#fff;color:#7c3aed;border:1.5px solid #7c3aed}
.btn-sm{display:inline-block;width:auto;padding:7px 16px;font-size:13px;margin:6px 6px 0 0;border-radius:20px}
.tabbar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:#fff;display:flex;border-top:1px solid #e8ecef;z-index:100;padding-bottom:env(safe-area-inset-bottom)}
.tab{flex:1;text-align:center;padding:10px 0 8px;font-size:11px;color:#8a98a3;cursor:pointer}
.tab.active{color:#7c3aed;font-weight:700}
.tab .ico{font-size:20px;display:block;margin-bottom:2px}
.page{display:none}
.page.active{display:block}
input,textarea,select{width:100%;padding:12px 14px;border:1.5px solid #dfe6ea;border-radius:10px;font-size:14px;margin-bottom:10px;outline:none}
textarea{min-height:80px;resize:vertical}
label{font-size:12.5px;color:#2d3a45;font-weight:600;display:block;margin-bottom:4px}
.tag{display:inline-block;background:#f3e8ff;color:#7c3aed;font-size:11px;padding:3px 10px;border-radius:20px;margin-right:4px}
.meta{font-size:12px;color:#94a3b3;margin-top:6px}
.price{color:#c0563f;font-weight:700;font-size:15px}
.empty{padding:40px 20px;text-align:center;color:#94a3b3;font-size:13.5px}
#toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(30,40,50,.88);color:#fff;padding:12px 22px;border-radius:10px;font-size:14px;z-index:999;display:none}
.work-block{background:#faf8ff;border:1px solid #ede9fe;border-radius:10px;padding:12px;margin-top:10px;white-space:pre-wrap;font-size:13px;line-height:1.7;color:#3d2a6d}
.auth-card{background:#fff;border-radius:14px;margin:14px;padding:20px}
.create-tabs{display:flex;margin:14px 14px 16px;background:#fff;border-radius:12px;padding:4px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.class-tabs{display:flex;margin:14px 14px 16px;background:#fff;border-radius:12px;padding:4px;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.class-tab{flex:1;text-align:center;padding:11px 4px;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;color:#7a8a94;white-space:nowrap}
.class-tab.active{background:linear-gradient(135deg,#7c3aed,#4c1d95);color:#fff}
.uc-card{background:linear-gradient(135deg,#faf5ff,#f5f3ff);border:1px solid #ede9fe;border-radius:14px;margin:14px 14px 0;padding:16px}
.uc-tabs{display:flex;margin:14px 14px 16px;background:#fff;border-radius:12px;padding:4px;box-shadow:0 2px 8px rgba(0,0,0,.05);overflow-x:auto;scrollbar-width:none}
.uc-tab{flex:1;text-align:center;padding:11px 4px;border-radius:9px;font-size:13px;font-weight:600;cursor:pointer;color:#7a8a94;white-space:nowrap}
.uc-tab.active{background:linear-gradient(135deg,#7c3aed,#4c1d95);color:#fff}
.uc-panel{padding:0 14px}
.create-tab{flex:1;text-align:center;padding:11px 4px;border-radius:9px;font-size:13.5px;font-weight:600;cursor:pointer;color:#7a8a94}
.create-tab.active{background:linear-gradient(135deg,#7c3aed,#4c1d95);color:#fff}
.ct-panel{margin-top:0}
.auth-tabs{display:flex;margin-bottom:16px;background:#f3e8ff;border-radius:10px;padding:4px}
.auth-tabs div{flex:1;text-align:center;padding:8px;border-radius:8px;font-size:14px;cursor:pointer;color:#7a8a94}
.auth-tabs div.active{background:#fff;color:#7c3aed;font-weight:700;box-shadow:0 1px 4px rgba(0,0,0,.08)}
.flow{display:flex;align-items:center;gap:6px;margin:12px 0;flex-wrap:wrap}
.flow .step{background:#f3e8ff;color:#7c3aed;border-radius:20px;padding:5px 12px;font-size:12px;font-weight:600}
.flow .arrow{color:#c4b5fd;font-size:14px}
.value-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 14px}
.value-card{background:#fff;border:1px solid #e8ecef;border-radius:14px;padding:14px;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.04);transition:transform .15s;text-align:center}
.value-card:active{transform:scale(.97)}
.value-card .v-ico{font-size:28px}
.value-card .v-title{font-size:14px;font-weight:700;color:#4c1d95;margin-top:6px;text-align:center}
.value-card .v-desc{font-size:11px;color:#7a8a94;line-height:1.5;margin-top:4px;text-align:center}
#homeLogin{margin:14px 14px 4px}