:root{
--brand:#111;
--brand2:#111;
--brand3:#111;
--bg:#fbfaf8;
--card:#fff;
--text:#1f2937;
--muted:#6b7280;
--border:#e7e3dc;
--ok:#00a870;
--warn:#ed7b2f;
--err:#d54941;
--accent-red:#e85d45;
--accent-amber:#d99728;
--accent-green:#2f9b72;
--accent-violet:#7a5cff;
--accent-rose:#d85a8f;
--surface:#fffdf9;
--surface-soft:#f7f3ec;
--glow:0 14px 40px rgba(31,41,55,.06)}
*{
box-sizing:border-box}
html{
-webkit-text-size-adjust:100%}
body{
margin:0;
background:var(--bg);
color:var(--text);
font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
overflow-x:hidden;
opacity:0;
animation:td-page-ready .18s ease .04s forwards;
transition:opacity .18s ease,filter .18s ease}
body.page-ready{opacity:1}
body.page-leaving{opacity:1;filter:none;animation:none}
a{
text-decoration:none;
color:inherit}
.td-app{
min-height:100vh;
display:flex}
.td-sidebar{
position:fixed;
inset:0 auto 0 0;
width:248px;
background:var(--surface);
color:var(--text);
padding:20px 14px;
overflow:auto;
border-right:1px solid var(--border);
box-shadow:8px 0 28px rgba(31,41,55,.04)}
.td-logo{
display:flex;
gap:10px;
align-items:center;
padding:0 10px 22px;
color:var(--text);
font-weight:800;
font-size:18px}
.td-logo-mark{
width:36px;
height:36px;
border-radius:12px;
display:grid;
place-items:center;
color:#fff;
background:#1f2937;
box-shadow:0 8px 18px rgba(31,41,55,.14)}
.td-menu-title{
padding:18px 12px 8px;
color:#999;
font-size:12px;
font-weight:700;
letter-spacing:.08em}
.td-menu a{
display:flex;
align-items:center;
gap:10px;
padding:12px 13px;
border-radius:12px;
font-size:14px;
margin-bottom:6px;
color:#333;
border:1px solid transparent;
transition:background .18s,border-color .18s,color .18s,transform .18s}
.td-menu a:before{
content:"";
width:8px;
height:8px;
border-radius:50%;
background:#111;
flex:0 0 auto}
.td-menu a:nth-child(4n+1):before{
background:var(--accent-red)}
.td-menu a:nth-child(4n+2):before{
background:var(--accent-amber)}
.td-menu a:nth-child(4n+3):before{
background:var(--accent-green)}
.td-menu a:nth-child(4n):before{
background:var(--accent-violet)}
.td-menu a:hover,.td-menu a.active{
background:var(--surface-soft);
color:#111;
border-color:#ece3d6;
box-shadow:none;
transform:translateX(2px)}
.td-main{
flex:1;
margin-left:248px;
min-width:0}
.td-header{
position:sticky;
top:0;
z-index:10;
height:68px;
display:flex;
align-items:center;
justify-content:space-between;
padding:0 30px;
background:rgba(255,253,249,.92);
border-bottom:1px solid var(--border)}
.td-page-title{
margin:0;
font-size:22px;
font-weight:800;
color:#374151}
.td-content{
padding:32px}
.td-grid{
display:grid;
grid-template-columns:repeat(12,minmax(0,1fr));
gap:20px}
.td-col-3{
grid-column:span 3}
.td-col-4{
grid-column:span 4}
.td-col-6{
grid-column:span 6}
.td-col-8{
grid-column:span 8}
.td-col-12{
grid-column:span 12}
.td-card{
background:var(--surface);
border:1px solid var(--border);
border-radius:18px;
box-shadow:var(--glow);
position:relative;
overflow:hidden;
content-visibility:auto;
contain-intrinsic-size:1px 260px}
.td-card:hover{
border-color:#ddd5c8;
box-shadow:0 18px 48px rgba(31,41,55,.08)}
.td-card-hd{
padding:18px 22px;
border-bottom:1px solid var(--border);
display:flex;
align-items:center;
justify-content:space-between;
gap:12px}
.td-card-title{
margin:0;
font-size:16px;
font-weight:800;
color:#243244}
.td-card-bd{
padding:22px}
.td-stat-num{
font-size:34px;
font-weight:900;
margin-top:8px;
color:#111}
.td-grid>.td-col-3:nth-of-type(2) .td-stat-num{
color:var(--accent-violet)}
.td-grid>.td-col-3:nth-of-type(3) .td-stat-num{
color:var(--accent-green)}
.td-grid>.td-col-3:nth-of-type(4) .td-stat-num{
color:var(--accent-amber)}
.td-grid>.td-col-3:nth-of-type(5) .td-stat-num{
color:var(--accent-rose)}
.td-muted{
color:var(--muted)}
.td-button{
border:1px solid var(--border);
background:#fffdf9;
color:var(--text);
border-radius:999px;
padding:10px 18px;
cursor:pointer;
display:inline-flex;
align-items:center;
justify-content:center;
gap:6px;
font-size:14px;
min-height:42px;
transition:transform .18s,box-shadow .18s,border-color .18s,background .18s,color .18s}
.td-button:hover{
border-color:#cfc6b8;
color:#111;
box-shadow:0 8px 18px rgba(31,41,55,.08);
transform:translateY(-1px)}
.td-button-primary{
background:#1f2937;
border-color:#1f2937;
color:#fff;
box-shadow:0 10px 22px rgba(31,41,55,.16)}
.td-button-primary:hover{
color:#fff;
transform:translateY(-1px)}
.td-button[href*="upload"],#signinBtn{
background:var(--accent-green);
border-color:var(--accent-green);
color:#fff}
.td-button[href*="ai-practice"],#askAi{
background:var(--accent-violet);
border-color:var(--accent-violet);
color:#fff}
.td-button[href*="points-mall"],[data-id]{
background:var(--accent-amber);
border-color:var(--accent-amber);
color:#fff}
#searchBtn,#downloadBtn,[data-claim]{
background:var(--accent-rose);
border-color:var(--accent-rose);
color:#fff}
.td-button[href*="upload"]:hover,#signinBtn:hover,.td-button[href*="ai-practice"]:hover,#askAi:hover,.td-button[href*="points-mall"]:hover,[data-id]:hover,#searchBtn:hover,#downloadBtn:hover,[data-claim]:hover{
color:#fff;
filter:brightness(.96)}
.td-button-block{
width:100%}
.td-input,.td-select,.td-textarea{
width:100%;
border:1px solid var(--border);
border-radius:12px;
padding:11px 13px;
outline:none;
background:#fffdf9;
color:var(--text);
font-family:inherit}
.td-input:focus,.td-select:focus,.td-textarea:focus{
border-color:#1f2937;
box-shadow:0 0 0 3px rgba(31,41,55,.08)}
.td-textarea{
min-height:110px;
resize:vertical}
.td-form-row{
display:grid;
grid-template-columns:repeat(2,minmax(0,1fr));
gap:16px;
margin-bottom:16px}
.td-form-item{
margin-bottom:16px}
.td-form-item label{
display:block;
margin-bottom:8px;
font-weight:700;
font-size:13px}
.td-table{
width:100%;
border-collapse:collapse}
.td-table-wrap{
width:100%;
overflow-x:auto;
-webkit-overflow-scrolling:touch}
.td-table th,.td-table td{
padding:13px 12px;
border-bottom:1px solid var(--border);
text-align:left;
font-size:14px}
.td-table th{
color:var(--muted);
font-weight:700;
background:var(--surface-soft)}
.td-tag{
display:inline-flex;
padding:4px 9px;
border-radius:999px;
font-size:12px;
background:var(--surface-soft);
color:#374151;
font-weight:700}
.td-tag-success{
background:#e9f7f1;
color:var(--ok)}
.td-tag-warning{
background:#fff5df;
color:var(--warn)}
.td-tag-danger{
background:#fff0ec;
color:var(--err)}
.td-list{
display:grid;
gap:14px}
.td-list-item{
display:flex;
justify-content:space-between;
gap:18px;
padding:16px;
border:1px solid var(--border);
border-radius:16px;
background:#fffdf9;
transition:border-color .18s,transform .18s,box-shadow .18s}
.td-list-item:hover{
border-color:#ddd5c8;
box-shadow:0 10px 24px rgba(31,41,55,.06);
transform:translateY(-1px)}
.td-bank-search{
margin-bottom:18px}
.td-bank-search .td-card-bd{
padding:16px}
.td-bank-toolbar{
margin-bottom:0}
.td-bank-toolbar .td-input{
flex:1;
min-width:220px;
max-width:none}
.td-bank-list{
gap:16px}
.td-bank-item{
align-items:stretch;
gap:16px}
.td-bank-main{
flex:1;
min-width:0;
display:flex;
flex-direction:column;
gap:8px}
.td-bank-title{
word-break:break-word;
overflow-wrap:anywhere;
margin-bottom:0}
.td-bank-desc{
line-height:1.65;
word-break:break-word;
overflow-wrap:anywhere}
.td-bank-meta{
display:flex;
gap:8px 12px;
flex-wrap:wrap;
color:var(--muted);
font-size:.88rem;
line-height:1.5}
.td-bank-side{
flex:0 0 auto;
display:flex;
align-items:center;
justify-content:center;
gap:10px;
flex-wrap:wrap;
min-width:168px}
.td-bank-side .td-button{
white-space:nowrap}
.td-ann-item{min-width:0;overflow:hidden}
.td-ann-item .td-material-title,
.td-ann-item .td-muted{word-break:break-word;overflow-wrap:anywhere;max-width:100%}
.td-ann-item .ann-title{font-weight:700;font-size:.9rem;color:#000!important;line-height:1.4;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.td-ann-item .ann-text{font-size:.8rem;color:#000!important;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.td-ann-item .ann-time{font-size:.76rem;color:#999!important}
.td-record-item{
align-items:center;gap:14px}
.td-record-avatar{
width:44px;height:44px;border-radius:12px;
display:flex;align-items:center;justify-content:center;
color:#fff;font-size:1.15rem;font-weight:900;flex:0 0 auto}
.td-record-main{
flex:1;
min-width:0}
.td-record-score{
flex:0 0 auto;
display:flex;
align-items:center}
.td-record-detail-head{
display:grid;
grid-template-columns:repeat(4,minmax(0,1fr));
gap:12px;
margin-bottom:16px}
.td-record-stat{
padding:14px;
border:1px solid var(--border);
border-radius:14px;
background:#fffdf9}
.td-record-stat strong{
display:block;
font-size:1.25rem;
margin-top:4px}
.td-answer-item{
border-left:4px solid #d1d5db}
.td-answer-item.is-correct{
border-left-color:var(--ok);
background:#f6fffb}
.td-answer-item.is-wrong{
border-left-color:var(--err);
background:#fff7f5}
.td-answer-options{
display:grid;
gap:6px;
margin:10px 0}
.td-answer-option{
padding:8px 10px;
border-radius:8px;
background:#f3f4f6;
font-size:.9rem;
line-height:1.5;
word-break:break-word}
.td-task-item{
position:relative;
overflow:visible}
.td-points-signin-status{margin-bottom:14px;background:#f0f7ff;border-color:#c9ddff;color:#1e4e8c}
.td-claim-btn{
transition:transform .18s,box-shadow .18s,background .18s}
.td-claim-btn.claiming{
background:#8a8174!important;
border-color:#8a8174!important;
color:#fff!important}
.td-claim-btn.claimed{
background:var(--ok)!important;
border-color:var(--ok)!important;
color:#fff!important;
box-shadow:0 10px 24px rgba(0,168,112,.2)}
.task-claimed-pulse{
animation:task-pulse .82s ease-out}
.td-points-fly{
position:absolute;
z-index:2000;
transform:translate(-50%,-50%) scale(.86);
padding:7px 13px;
border-radius:999px;
background:linear-gradient(135deg,#fff8e7,#ffe0a3);
border:1px solid #f5ca75;
color:#9a5b00;
font-size:14px;
font-weight:900;
box-shadow:0 14px 34px rgba(217,151,40,.24);
opacity:0;
pointer-events:none;
transition:transform .78s cubic-bezier(.2,.85,.28,1),opacity .78s ease}
.td-points-fly.show{
opacity:1;
transform:translate(-50%,-150%) scale(1.12)}
@keyframes task-pulse{
0%{box-shadow:0 0 0 0 rgba(0,168,112,.22);border-color:var(--border)}
45%{box-shadow:0 0 0 8px rgba(0,168,112,.12);border-color:#9be7cc;transform:translateY(-1px)}
100%{box-shadow:0 0 0 0 rgba(0,168,112,0);border-color:var(--border);transform:none}}
.td-material-title{
font-size:16px;
font-weight:800;
margin-bottom:8px}
.td-toolbar{
display:flex;
gap:12px;
align-items:center;
flex-wrap:wrap;
margin-bottom:18px}
.td-toolbar .td-input,.td-toolbar .td-select{
max-width:220px}
.td-material-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:20px;align-items:start}
.td-material-main{min-width:0}.td-material-sidebar{position:sticky;top:88px}.td-ad-content,.td-ad-sidebar-material{overflow:hidden;border:1px solid var(--border);border-radius:18px;background:var(--surface);box-shadow:var(--glow)}
.td-ad-content{padding:14px;margin-bottom:18px}.td-ad-sidebar-material{padding:14px}.td-ad-content:empty,.td-ad-sidebar-material:empty{display:none}
@media(max-width:1100px){.td-material-layout{grid-template-columns:1fr}.td-material-sidebar{position:static}.td-ad-sidebar-material{margin-bottom:18px}}
.td-suggestions{
display:none;
position:absolute;
z-index:100;
left:0;right:0;top:100%;
background:#fff;
border:1px solid #ddd;
max-height:280px;
overflow-y:auto}
.td-suggestion-item{
padding:9px 12px;
font-size:.9rem;
border-bottom:1px solid #eee;
display:flex;
align-items:center;
justify-content:space-between;
gap:8px;cursor:default}
.td-suggestion-item:last-child{border-bottom:0}
.td-view-toggle{
display:inline-flex;
align-items:center;
gap:0;
border-radius:10px;
overflow:hidden;
border:1px solid var(--border);
background:var(--surface)}
.td-view-btn{
padding:6px 14px;
display:inline-flex;
align-items:center;
gap:5px;
border:0;
background:transparent;
color:#94a3b8;
cursor:pointer;
font-size:.85rem;
font-weight:600;
transition:all .15s;
position:relative}
.td-view-btn i{font-size:1.05rem}
.td-view-btn:hover{color:var(--text);background:rgba(31,41,55,.04)}
.td-view-btn.active{color:#fff;box-shadow:0 2px 8px rgba(31,41,55,.12)}
.td-view-list.active{background:#3498db}
.td-view-grid.active{background:#8e44ad}
.td-view-btn:first-child{border-right:1px solid var(--border)}
.td-mat-grid{
display:grid;
grid-template-columns:repeat(4,1fr);
gap:16px; width:100%; box-sizing:border-box}
.td-mat-grid.td-list{display:grid}
@media(max-width:1400px){.td-mat-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:1000px){.td-mat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.td-mat-grid{grid-template-columns:repeat(2,1fr);gap:10px}}
.td-mat-grid-item{
display:flex;
flex-direction:column;
border:1px solid var(--border);
border-radius:16px;
background:var(--surface);
overflow:hidden;
text-decoration:none;
color:inherit;
transition:border-color .2s,transform .2s,box-shadow .2s;
min-width:0}
.td-mat-grid-item:hover{
border-color:#d1c8ba;
box-shadow:0 12px 28px rgba(31,41,55,.08);
transform:translateY(-3px)}
.td-mat-grid-img{
height:100px;
display:flex;
align-items:center;
justify-content:center;
font-size:2rem;
font-weight:900;
color:#fff}
.td-mat-grid-body{
padding:14px 16px 16px;
display:flex;
flex-direction:column;
gap:8px;
flex:1}
.td-mat-grid-body .td-material-title{
font-size:.95rem;
margin-bottom:0;
-webkit-line-clamp:2;
display:-webkit-box;
-webkit-box-orient:vertical;
overflow:hidden}
.td-mat-grid-desc{
font-size:.84rem;
line-height:1.55;
overflow:hidden;
display:-webkit-box;
-webkit-line-clamp:2;
-webkit-box-orient:vertical;
color:var(--muted)}
.td-mat-grid-meta{
font-size:.8rem;
color:#a0aec0;
margin-top:auto;
padding-top:10px;
border-top:1px solid var(--border);
display:flex;
justify-content:space-between;
align-items:center}
.td-empty{
padding:46px 20px;
text-align:center;
color:#8f98aa}
.td-pagination-wrap{
display:flex;
justify-content:center;
padding:8px 0}
.td-pagination{
display:inline-flex;
align-items:center;
gap:6px;
flex-wrap:wrap;
justify-content:center}
.td-page-btn{
min-width:36px;
height:36px;
padding:0 10px;
border:1px solid var(--border);
border-radius:10px;
background:#fffdf9;
color:var(--text);
font-size:.85rem;
font-weight:600;
cursor:pointer;
transition:all .15s;
display:inline-flex;
align-items:center;
justify-content:center}
.td-page-btn:hover:not(:disabled):not(.active){
border-color:#1f2937;
background:#f7f3ec}
.td-page-btn.active{
background:#1f2937;
border-color:#1f2937;
color:#fff;
cursor:default}
.td-page-btn:disabled{
opacity:.4;
cursor:not-allowed}
.td-page-dots{
color:#94a3b8;
letter-spacing:2px;
user-select:none}
@media(max-width:520px){
.td-page-btn{
min-width:32px;
height:32px;
font-size:.8rem}
}
.td-alert{
padding:13px 15px;
border-radius:14px;
background:#fff8e7;
color:#6f4e12;
border:1px solid var(--border);
margin-bottom:16px}
.td-goods{
display:grid;
grid-template-columns:repeat(4,minmax(0,1fr));
gap:18px}
.td-goods-img{
width:100%;
height:160px;
object-fit:cover;
border-radius:14px;
background:var(--surface-soft)}
.td-goods-img-placeholder{display:flex!important;align-items:center;justify-content:center;background:var(--surface-soft)!important}
/* 错题�?*/
.wrong-item{border-left:4px solid #dc2626!important;background:#fff5f5!important;padding:18px!important}
.wrong-item .td-material-title{color:#1f2937!important;font-weight:800!important;font-size:1rem!important;margin-bottom:10px!important}
.wrong-item .wrong-answer{color:#b91c1c!important;font-weight:700!important;font-size:.9rem!important;padding:6px 10px;background:#fee2e2;border-radius:6px;display:inline-block;margin-bottom:4px}
.wrong-item .wrong-correct{color:#065f46!important;font-weight:700!important;font-size:.9rem!important;padding:6px 10px;background:#d1fae5;border-radius:6px;display:inline-block;margin-bottom:4px}
.wrong-item .wrong-time{color:#6b7280!important;font-size:.8rem!important;margin-top:6px!important}
.wrong-item .wq-check{accent-color:#dc2626;width:18px;height:18px}
.ai-explain-btn{background:#7a5cff!important;border-color:#7a5cff!important;color:#fff!important;font-weight:700!important;border-radius:999px!important;padding:6px 16px!important;font-size:.82rem!important}
.ai-explain-btn:hover{filter:brightness(.9)!important}
.ai-answer-wrap{margin-top:12px!important;padding:16px!important;background:#f0edff!important;border:1px solid #c4b5fd!important;border-radius:12px!important;color:#1f2937!important;font-size:.9rem!important;line-height:1.8!important;white-space:pre-wrap!important}
.td-price{
color:var(--accent-amber);
font-size:20px;
font-weight:900}
.td-action-row{
display:flex;
gap:12px;
flex-wrap:wrap}
.td-preview-wrap{
border:1px solid var(--border);
border-radius:16px;
overflow:hidden;
background:#fff;
min-height:520px}
.td-preview-frame{
width:100%;
height:520px;
border:0;
background:#fff}
.td-preview-image-wrap{
display:flex;
align-items:center;
justify-content:center;
padding:18px;
background:#fff}
.td-preview-image{
max-width:100%;
max-height:520px;
border-radius:12px;
display:block}
.td-toast{
position:fixed;
top:76px;
left:50%;
transform:translateX(-50%);
z-index:1000;
padding:12px 18px;
border-radius:12px;
background:#fffdf9;
border:1px solid var(--border);
box-shadow:0 12px 32px rgba(31,35,41,.16)}
.td-toast.success{
border-color:#bcebdc;
color:var(--ok)}
.td-toast.error{
border-color:#f5c7c3;
color:var(--err)}
.td-mobile-toggle{
display:none}
.hero-card{
background:#fff8e7;
color:#1f2937;
border-color:#eadfca}
.hero-card .td-muted{
color:#785f35}
.chart-wrap{
height:320px;
position:relative;
padding-top:10px}
.chart-grid{
position:absolute;
inset:8px 0 36px;
background:repeating-linear-gradient(to top,#eee6da 0,#eee6da 1px,transparent 1px,transparent 25%)}
.bar-chart{
position:absolute;
inset:18px 10px 40px;
display:flex;
align-items:flex-end;
gap:18px}
.bar-group{
flex:1;
height:100%;
display:flex;
align-items:flex-end;
justify-content:center;
min-width:0;
cursor:pointer}
.bar-stack{
height:100%;
display:flex;
align-items:flex-end;
justify-content:center;
gap:7px;
width:100%;
padding:0 4px;
border-radius:14px;
transition:background .16s,transform .16s}
.td-chart-group:hover .bar-stack{
background:rgba(31,41,55,.04);
transform:translateY(-2px)}
.bar{
position:relative;
width:20px;
border-radius:10px 10px 4px 4px;
min-height:6px;
box-shadow:0 8px 18px rgba(31,41,55,.08);
transition:filter .16s,transform .16s}
.td-chart-group:hover .bar{
filter:saturate(1.15);
transform:scaleY(1.03)}
.bar span{
position:absolute;
left:50%;
top:-20px;
transform:translateX(-50%);
font-size:11px;
font-weight:800;
color:#4b5563;
white-space:nowrap}
.bar.upload{
background:#1f2937}
.bar.download{
background:var(--accent-amber)}
.bar-upload{
background:linear-gradient(180deg,#1f2937,#374151)}
.bar-download{
background:linear-gradient(180deg,#f0b13f,var(--accent-amber))}
.bar-material-dl{
background:linear-gradient(180deg,#9b7cff,var(--accent-violet))}
.td-tag-upload{
background:#e9e9e9;color:#1f2937}
.td-tag-download{
background:rgba(217,151,40,.16);color:var(--accent-amber)}
.td-tag-material-dl{
background:rgba(122,92,255,.16);color:var(--accent-violet)}
.chart-labels{
position:absolute;
left:10px;
right:10px;
bottom:0;
display:flex;
justify-content:space-around;
color:#8a8174;
font-size:12px;
font-weight:700}
.td-chart-tooltip{
position:absolute;
z-index:20;
display:none;
min-width:156px;
padding:10px 12px;
border-radius:12px;
background:#1f2937;
color:#fff;
box-shadow:0 18px 44px rgba(31,41,55,.22);
font-size:12px;
line-height:1.7;
pointer-events:none}
.td-chart-tooltip.show{
display:block}
.td-chart-tooltip strong{
display:block;
font-size:13px;
margin-bottom:4px}
.td-chart-legend{
margin-top:12px;
display:flex;
gap:14px;
flex-wrap:wrap}
@media(max-width:900px){
.td-app{
display:block}
.td-sidebar{
transform:translateX(-100%);
transition:.2s;
z-index:80;
width:min(74vw,270px);
box-shadow:18px 0 44px rgba(31,41,55,.18)}
.td-sidebar.open{
transform:translateX(0)}
.td-main{
margin-left:0}
.td-header{
height:auto;
min-height:62px;
padding:10px 14px;
gap:10px;
align-items:center}
.td-header>div{
display:flex;
justify-content:flex-end;
min-width:0}
.td-page-title{
font-size:18px;
line-height:1.25;
white-space:nowrap;
overflow:hidden;
text-overflow:ellipsis;
flex:1;
min-width:0}
.td-content{
padding:16px 14px 34px}
.td-mobile-toggle{
display:inline-flex}
.td-col-3,.td-col-4,.td-col-6,.td-col-8{
grid-column:span 12}
.td-form-row{
grid-template-columns:1fr}
.td-goods{
grid-template-columns:repeat(2,minmax(0,1fr))}
.td-table-wrap{
overflow-x:auto}
.td-table{
min-width:620px}
.td-toolbar{
display:grid;
grid-template-columns:1fr 1fr;
gap:10px}
.td-view-toggle{
grid-column:1 / -1;
justify-content:center;
display:flex}
.td-mat-grid{
grid-template-columns:repeat(2,1fr);
gap:12px}
.td-mat-grid-img{
height:80px;
font-size:1.5rem}
.td-mat-grid-body{
padding:12px 14px 14px}
.td-mat-grid-body .td-material-title{
font-size:.92rem}
.td-mat-grid-desc{
font-size:.82rem;
-webkit-line-clamp:1}
.td-mat-grid-meta{
font-size:.78rem;
flex-wrap:wrap;
gap:4px}
.td-toolbar .td-input,.td-toolbar .td-select,.td-toolbar .td-button{
max-width:none;
width:100%}
.td-card{
border-radius:16px;
box-shadow:none}
.td-card-hd{
padding:15px 16px;
align-items:flex-start;
flex-wrap:wrap}
.td-card-bd{
padding:16px}
.td-grid{
gap:14px}
.td-stat-num{
font-size:28px}
.td-list-item{
align-items:flex-start}
.td-bank-item{
flex-direction:column}
.td-bank-side{
width:100%;
justify-content:space-between;
min-width:0}
.td-bank-side .td-button{
min-width:150px}
.td-record-item{
flex-direction:column;
align-items:flex-start}
.td-record-avatar{
width:28px;height:28px;border-radius:8px;font-size:.9rem;
margin-bottom:4px}
.td-record-score{
width:100%;
justify-content:flex-start}
.td-record-detail-head{
grid-template-columns:repeat(2,minmax(0,1fr))}
.td-action-row{
display:grid;
grid-template-columns:1fr 1fr;
gap:10px}
.td-action-row .td-button{
width:100%}
.td-preview-wrap{
min-height:360px}
.td-preview-frame{
height:360px}
.td-preview-image{
max-height:360px}
.td-upload-box{
padding:28px 14px}
.td-modal{
padding:12px;
align-items:flex-end}
.td-modal-content{
max-height:86vh;
border-radius:18px 18px 0 0}
}
@media(max-width:520px){
body{
background:var(--surface)}
.td-sidebar{
width:72vw; max-width:250px;
padding:18px 12px}
.td-logo{
padding-bottom:16px}
.td-header{
position:sticky;
top:0;
z-index:50;
background:rgba(255,253,249,.96);
backdrop-filter:blur(10px)}
.td-header .td-button{
padding:8px 12px;
font-size:13px;
min-height:40px}
.td-content{
padding:14px 10px 28px}
.td-grid{
gap:12px}
.td-card-hd{
padding:14px}
.td-card-title{
font-size:15px}
.td-card-bd{
padding:14px}
.td-button{
min-height:44px;
padding:10px 14px;
font-size:14px}
.td-input,.td-select,.td-textarea{
font-size:16px;
padding:12px 13px}
.td-textarea{
min-height:96px}
.td-form-item{
margin-bottom:14px}
.td-form-item label{
font-size:13px;
margin-bottom:7px}
.td-toolbar{
grid-template-columns:1fr}
.td-bank-toolbar{
grid-template-columns:1fr}
.td-goods{
grid-template-columns:1fr}
.td-list-item{
flex-direction:column;
gap:10px;
padding:14px;
border-radius:14px}
.td-bank-search{
margin-bottom:14px}
.td-bank-search .td-card-bd{
padding:12px}
.td-bank-item{
border-radius:16px}
.td-bank-title{
font-size:1rem;
line-height:1.45}
.td-bank-desc{
font-size:.9rem;
line-height:1.6}
.td-bank-meta{
display:grid;
grid-template-columns:1fr 1fr;
gap:6px 10px;
font-size:.82rem}
.td-bank-side{
display:grid;
grid-template-columns:1fr;
gap:10px;
align-items:stretch}
.td-bank-side .td-tag,
.td-bank-side .td-button{
width:100%;
justify-content:center;
min-height:44px}
.td-bank-side .td-button{
min-width:0}
.td-record-detail-head{
grid-template-columns:1fr 1fr;
gap:8px}
.td-record-stat{
padding:12px}
.td-record-stat strong{
font-size:1.05rem}
.td-answer-option{
font-size:.86rem}
.td-material-title{
font-size:15px;
line-height:1.45}
.td-muted{
font-size:13px;
line-height:1.55}
.td-action-row{
grid-template-columns:1fr}
.td-tag{
font-size:11px;
padding:4px 8px}
.td-empty{
padding:34px 14px}
.td-alert{
font-size:13px;
line-height:1.6;
padding:12px}
.td-table th,.td-table td{
font-size:13px;
padding:11px 10px}
.td-price{
font-size:18px}
.td-goods-img{
height:150px}
.td-recharge-summary-card .td-card-bd{
padding:22px 16px}
.td-recharge-summary-points{
font-size:2rem}
.td-recharge-presets,.td-recharge-methods{
display:grid;
grid-template-columns:1fr 1fr;
gap:8px}
.td-recharge-chip,.td-recharge-method{
padding:11px 10px;
font-size:.86rem}
.td-option{
align-items:flex-start;
padding:12px 11px}
.td-option input[type="radio"]{
width:20px;
height:20px;
margin-top:1px}
.td-option-label{
font-size:.9rem;
line-height:1.45}
.wrong-item{
padding:14px!important}
.ai-explain-btn{
width:100%;
justify-content:center;
padding:10px 14px!important}
.ai-answer-wrap{
font-size:.84rem!important;
padding:13px!important}
.bar-chart{
gap:8px}
.chart-wrap{
height:270px}
.bar-stack{
gap:4px;
padding:0 2px}
.bar{
width:12px;
border-radius:8px 8px 3px 3px}
.bar span{
display:none}
.td-chart-tooltip{
left:10px!important;
right:10px!important;
top:10px!important;
width:auto}
}
@media(max-width:380px){
.td-header{
padding:9px 10px}
.td-header .td-button{
padding:8px 10px;
font-size:12px}
.td-page-title{
font-size:16px}
.td-recharge-presets,.td-recharge-methods{
grid-template-columns:1fr}
}
/* AI 答题 */
.td-timer-bar{
font-size:1.1rem;
font-weight:700;
text-align:center;
background:#fff8e7!important;
color:#785f35!important}
.td-options{
margin:12px 0 8px;
display:flex;
flex-direction:column;
gap:8px}
.td-option{
display:flex;
align-items:center;
gap:10px;
padding:10px 14px;
border:1px solid var(--border);
border-radius:12px;
cursor:pointer;
transition:background .15s,border-color .15s;
background:#fffdf9}
.td-option:hover{
background:#f7f3ec;
border-color:#ccc5b8}
.td-option input[type="radio"]{
width:18px;
height:18px;
accent-color:#1f2937;
margin:0;
flex:0 0 auto}
.td-option-label{
font-size:.92rem;
color:var(--text);
font-weight:500}

/* 上传区域美化 */
.td-upload-wrap{
position:relative;
border:2px dashed var(--border);
border-radius:16px;
transition:border-color .2s,background .2s,box-shadow .2s;
overflow:hidden;
cursor:pointer}
.td-upload-wrap:hover{
border-color:#b8b0a3;
background:#faf8f4}
.td-upload-wrap.dragover{
border-color:var(--accent-violet);
background:#f5f0ff;
box-shadow:0 0 0 4px rgba(122,92,255,.1)}
.td-upload-wrap.has-file{
border-style:solid;
border-color:#bcebdc;
background:#f6fdf9}
.td-upload-input{
position:absolute;
inset:0;
opacity:0;
cursor:pointer;
z-index:2}
.td-upload-box{
padding:36px 20px;
text-align:center;
pointer-events:none}
.td-upload-icon{
font-size:40px;
margin-bottom:10px;
opacity:.85}
.td-upload-text{
font-size:15px;
font-weight:600;
color:var(--text);
margin-bottom:6px}
.td-upload-hint{
font-size:12px;
color:var(--muted)}
.td-submit-btn{
width:100%;
padding:14px 24px;
font-size:16px;
font-weight:700;
border-radius:14px;
margin-top:8px}

.td-question-item{
border-left:4px solid var(--index-green, #2f9b72)}
.td-question-item[data-qidx]{
border-left-color:var(--accent, var(--index-violet, #7a5cff))}

/* 弹窗 */
.td-modal{
position:fixed;
inset:0;
background:rgba(0,0,0,.45);
z-index:1000;
display:flex;
align-items:center;
justify-content:center;
padding:20px}
.td-modal-content{
background:var(--card);
border-radius:16px;
width:100%;
max-height:90vh;
overflow:auto;
box-shadow:0 24px 60px rgba(0,0,0,.18)}
.td-modal-hd{
display:flex;
justify-content:space-between;
align-items:center;
padding:16px 20px;
border-bottom:1px solid var(--border)}
.td-modal-hd h3{
margin:0;
font-size:1.1rem}
.td-modal-close{
background:none;
border:none;
font-size:1.6rem;
cursor:pointer;
color:var(--muted);
line-height:1}
.td-modal-close:hover{
color:var(--text)}
.td-modal-bd{
padding:20px}
.td-loading{
display:flex;
align-items:center;
justify-content:center;
gap:10px;
padding:40px 20px;
color:var(--muted);
font-size:1rem}
.td-loading::before{
content:"";
width:20px;
height:20px;
border:2px solid var(--border);
border-top-color:var(--text);
border-radius:50%;
animation:td-spin 1s linear infinite}
@keyframes td-spin{
to{transform:rotate(360deg)}}
@keyframes td-page-ready{
to{opacity:1}}
.td-page-loader{position:fixed;inset:0;z-index:99999;display:grid;place-items:center;background:rgba(251,250,248,.76);backdrop-filter:blur(10px);opacity:0;pointer-events:none;transition:opacity .18s ease}
body.page-leaving .td-page-loader{opacity:1;pointer-events:auto}
.td-page-loader-card{min-width:190px;padding:24px 26px;border-radius:24px;background:rgba(255,253,249,.92);border:1px solid rgba(231,227,220,.9);box-shadow:0 28px 70px rgba(31,41,55,.16);display:grid;justify-items:center;gap:14px;transform:translateY(8px) scale(.98);transition:transform .18s ease}
body.page-leaving .td-page-loader-card{transform:translateY(0) scale(1)}
.td-page-loader-mark{display:flex;gap:8px;align-items:center;justify-content:center;height:34px}
.td-page-loader-mark span{width:12px;height:12px;border-radius:50%;background:#1f2937;animation:td-loader-bounce .72s ease-in-out infinite}
.td-page-loader-mark span:nth-child(2){background:#c87938;animation-delay:.12s}.td-page-loader-mark span:nth-child(3){background:#d99728;animation-delay:.24s}
.td-page-loader-text{font-size:.92rem;font-weight:850;color:#243244;letter-spacing:.04em}
@keyframes td-loader-bounce{0%,80%,100%{transform:translateY(0);opacity:.45}40%{transform:translateY(-10px);opacity:1}}
.td-alert-error{
background:#fff2f0;
border:1px solid #ffccc7;
color:#d54941;
padding:12px 16px;
border-radius:12px}
.td-button-sm{
padding:6px 12px;
font-size:.85rem;
border-radius:8px}
@keyframes spin{to{transform:rotate(360deg)}}
/* 充值页 */
.td-recharge-summary-card{background:linear-gradient(180deg,#1f2937,#2f3c4d);color:#fff}
.td-recharge-summary-card .td-card-bd{padding:28px}
.td-recharge-summary-label{font-size:.9rem;opacity:.72;margin-bottom:6px}
.td-recharge-summary-points{font-size:2.4rem;font-weight:900;line-height:1.1;margin-bottom:14px}
.td-recharge-summary-meta{font-size:.9rem;opacity:.82;margin-bottom:6px}
.td-recharge-summary-bonus{margin-top:16px;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.12);font-size:.88rem;font-weight:700}
.td-recharge-presets{display:flex;gap:10px;flex-wrap:wrap}
.td-recharge-chip{border:1px solid var(--border);background:#fffdf9;color:var(--text);padding:10px 18px;border-radius:999px;font-size:.92rem;font-weight:700;cursor:pointer;transition:all .18s}
.td-recharge-chip:hover{border-color:#1f2937;background:#f7f3ec}
.td-recharge-chip.active{background:#1f2937;border-color:#1f2937;color:#fff}
.td-recharge-methods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:16px}
.td-recharge-method-single{margin-bottom:16px}
.td-recharge-method{border:1px solid var(--border);background:#fffdf9;color:var(--text);padding:12px 16px;border-radius:14px;font-size:.92rem;font-weight:700;cursor:pointer;transition:all .18s;text-align:center}
.td-recharge-method:hover{border-color:#1f2937;background:#f7f3ec}
.td-recharge-method.active{background:#1f2937;border-color:#1f2937;color:#fff}
.td-recharge-preview{margin:12px 0 18px;padding:14px 16px;border-radius:12px;background:var(--surface-soft);font-size:.9rem;color:var(--muted)}
.td-recharge-cta{padding:14px!important;font-size:1rem!important}
.td-recharge-order-card{margin-top:4px}
.td-recharge-order-title{font-size:1.05rem;font-weight:800;margin-bottom:12px}
.td-recharge-order-meta{font-size:.9rem;color:var(--muted);margin-bottom:6px}
.td-recharge-qr{background:#fff;border:1px solid var(--border);border-radius:16px;padding:20px;display:inline-block;margin:16px 0 12px}
.td-recharge-status{margin-top:8px}

/* 提现页 */
.td-withdraw-page{align-items:start}
.td-withdraw-hero{position:relative;overflow:hidden;min-height:210px;padding:34px;border-radius:28px;background:radial-gradient(circle at 88% 12%,rgba(255,255,255,.28),transparent 32%),linear-gradient(135deg,#18212f 0%,#334155 48%,#c87938 100%);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:24px;box-shadow:0 28px 70px rgba(24,33,47,.2)}
.td-withdraw-hero:before{content:"";position:absolute;inset:auto -80px -110px auto;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.1)}
.td-withdraw-hero:after{content:"";position:absolute;left:34px;right:34px;bottom:22px;height:1px;background:linear-gradient(90deg,rgba(255,255,255,.32),transparent)}
.td-withdraw-kicker{font-size:.78rem;letter-spacing:.18em;opacity:.68;font-weight:800;margin-bottom:10px}
.td-withdraw-hero h2{font-size:2.4rem;line-height:1.05;margin:0 0 12px;font-weight:950;letter-spacing:-.04em}
.td-withdraw-hero p{max-width:560px;margin:0;color:rgba(255,255,255,.78);line-height:1.8;font-size:.98rem}
.td-withdraw-hero-balance{position:relative;z-index:1;min-width:210px;padding:22px;border-radius:24px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(12px);box-shadow:inset 0 1px 0 rgba(255,255,255,.18)}
.td-withdraw-hero-balance span,.td-withdraw-hero-balance em{display:block;color:rgba(255,255,255,.72);font-style:normal;font-size:.9rem}
.td-withdraw-hero-balance strong{display:block;font-size:2.6rem;line-height:1.05;margin:8px 0;font-weight:950;color:#fff}
.td-withdraw-notice{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border-radius:20px;background:#fff8e6;border:1px solid #f4d394;color:#6e4800;box-shadow:0 12px 28px rgba(217,151,40,.08)}
.td-withdraw-notice-icon{width:34px;height:34px;border-radius:50%;background:#d99728;color:#fff;display:grid;place-items:center;font-weight:900;flex:0 0 auto}
.td-withdraw-notice strong{display:block;margin-bottom:4px}.td-withdraw-notice p{margin:0;white-space:pre-wrap;line-height:1.7;color:#7a4b00}
.td-withdraw-rule{height:100%;padding:20px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(180deg,#fffdf9,#f8f3eb);box-shadow:var(--glow)}
.td-withdraw-rule span,.td-withdraw-rule em{display:block;color:var(--muted);font-style:normal;font-size:.84rem}.td-withdraw-rule strong{display:block;margin:8px 0 6px;font-size:1.65rem;line-height:1;font-weight:950;color:#1f2937}
.td-withdraw-main{grid-column:span 5;min-width:360px}
.td-withdraw-side{grid-column:span 7;min-width:420px}
.td-withdraw-form-card{border-color:#e4d8c8;background:linear-gradient(180deg,#fffdf9,#fff);box-shadow:0 22px 56px rgba(154,92,33,.1)}
.td-withdraw-form-card:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,#1f2937,#c87938,#d99728)}
.td-withdraw-form-card .td-card-hd{background:linear-gradient(90deg,#fff7e8,#fffdf9);align-items:flex-start}
.td-withdraw-card-subtitle{margin:5px 0 0;color:var(--muted);font-size:.84rem;line-height:1.5}
.td-withdraw-card-chip{display:inline-flex;align-items:center;white-space:nowrap;padding:7px 10px;border-radius:999px;background:#1f2937;color:#fff;font-size:.78rem;font-weight:850;box-shadow:0 8px 18px rgba(31,41,55,.14)}
.td-withdraw-field{margin-bottom:18px}.td-withdraw-field label{display:block;margin-bottom:8px;font-weight:850;font-size:.88rem;color:#243244}.td-withdraw-field small{display:block;margin-top:7px;color:var(--muted);font-size:.8rem}
.td-withdraw-input-wrap{display:flex;align-items:center;gap:10px;padding:7px 13px;border:1.5px solid var(--border);border-radius:18px;background:#fff;transition:border-color .18s,box-shadow .18s,transform .18s}
.td-withdraw-input-wrap:focus-within{border-color:#c87938;box-shadow:0 0 0 4px rgba(200,121,56,.1)}
.td-withdraw-input-wrap:hover{transform:translateY(-1px);border-color:#dbc8ad}
.td-withdraw-input-wrap span{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,#f6ead9,#fff4dc);color:#9a5c21;display:grid;place-items:center;font-weight:900;flex:0 0 auto;box-shadow:inset 0 1px 0 rgba(255,255,255,.8)}
.td-withdraw-input-wrap .td-input{border:0;background:transparent;padding:9px 0;box-shadow:none!important;border-radius:0}
.td-withdraw-preview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:14px 0 18px;padding:14px;border-radius:18px;background:#1f2937;color:#fff;box-shadow:0 16px 36px rgba(31,41,55,.16)}
.td-withdraw-preview span{padding:10px;border-radius:14px;background:rgba(255,255,255,.08);color:rgba(255,255,255,.68);font-size:.82rem}.td-withdraw-preview b{display:block;margin-top:4px;color:#fff;font-size:1.05rem}
.td-withdraw-submit{min-height:48px!important;font-weight:850;background:linear-gradient(135deg,#1f2937,#c87938)!important;border:0!important;box-shadow:0 16px 34px rgba(200,121,56,.22)!important}
.td-withdraw-safe{margin-top:12px;text-align:center;color:var(--muted);font-size:.82rem}
.td-withdraw-status-card{background:linear-gradient(180deg,#fff,#fffaf2);border-color:#eadccb;box-shadow:0 20px 50px rgba(31,41,55,.08)}
.td-withdraw-status-card:before{content:"";position:absolute;right:-44px;top:-54px;width:160px;height:160px;border-radius:50%;background:rgba(217,151,40,.1)}
.td-withdraw-status-card .td-card-hd{background:linear-gradient(90deg,#fffdf9,#fff7e8)}.td-withdraw-status-main{position:relative;display:flex;gap:18px;align-items:center;margin-bottom:18px}.td-withdraw-order-mark{width:70px;height:70px;border-radius:24px;background:linear-gradient(135deg,#1f2937,#c87938);color:#fff;display:grid;place-items:center;font-weight:950;letter-spacing:.04em;box-shadow:0 14px 30px rgba(200,121,56,.2)}
.td-withdraw-status-amount{font-size:2rem;font-weight:950;color:#1f2937;margin:4px 0;letter-spacing:-.03em}.td-withdraw-timeline{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:.84rem}.td-withdraw-timeline span{position:relative;padding:9px 12px 9px 26px;border-radius:999px;background:#fff;border:1px solid #f0e4d4}.td-withdraw-timeline span:before{content:"";position:absolute;left:11px;top:50%;width:7px;height:7px;margin-top:-3.5px;border-radius:50%;background:#c87938}.td-withdraw-remark{margin-top:14px;margin-bottom:0}.td-withdraw-empty{position:relative;padding:34px 24px;border-radius:22px;background:linear-gradient(135deg,#fff7e8,#fffdf9);text-align:center;color:#1f2937;font-weight:850;border:1px dashed #e2cba9}.td-withdraw-empty:before{content:"待";display:grid;place-items:center;width:56px;height:56px;margin:0 auto 12px;border-radius:18px;background:#1f2937;color:#fff;font-size:1.2rem;font-weight:950}.td-withdraw-empty span{display:block;margin-top:6px;color:var(--muted);font-weight:400;font-size:.88rem}.td-withdraw-history{margin-top:18px}
@media(max-width:1180px){.td-withdraw-main,.td-withdraw-side{grid-column:span 12;min-width:0}.td-withdraw-main{max-width:760px;width:100%;justify-self:center}.td-withdraw-side{width:100%}}
@media(min-width:1181px){.td-withdraw-main{grid-column:span 5}.td-withdraw-side{grid-column:span 7}}
@media(max-width:520px){
.td-withdraw-hero{padding:24px;display:block}.td-withdraw-hero h2{font-size:2rem}.td-withdraw-hero-balance{margin-top:22px;min-width:0}.td-withdraw-preview{grid-template-columns:1fr}.td-withdraw-status-main{align-items:flex-start}.td-withdraw-order-mark{width:56px;height:56px;border-radius:18px}.td-withdraw-notice{padding:15px}.td-withdraw-card-chip{display:none}.td-withdraw-form-card .td-card-hd{display:block}.td-withdraw-status-amount{font-size:1.65rem}
.td-option{
align-items:flex-start;
padding:12px 11px}
.td-option input[type="radio"]{
width:20px;
height:20px;
margin-top:1px}
.td-option-label{
font-size:.9rem;
line-height:1.45}
.td-upload-box{
padding:28px 14px}
.td-modal{
padding:12px;
align-items:flex-end}
.td-modal-content{
max-height:86vh;
border-radius:18px 18px 0 0}
.td-recharge-presets,.td-recharge-methods{
display:grid;
grid-template-columns:1fr 1fr;
gap:8px}
.td-recharge-chip,.td-recharge-method{
padding:11px 10px;
font-size:.86rem}
}
@media(max-width:380px){
.td-recharge-presets,.td-recharge-methods{
grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}
body,body.page-leaving{opacity:1;filter:none}
.td-page-loader{display:none!important}
}