/* 需求广场：列表、详情、应标表单（只在 /demands 页面加载） */
.dm-page{padding-bottom:48px}
.dm-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin:14px 0 22px}
.dm-head-c h1{font-size:30px;font-weight:800;margin-bottom:8px}
.dm-head-c p{font-size:14px;color:var(--ink2);max-width:640px;line-height:1.7}
.dm-head-act{display:flex;align-items:center;gap:14px;font-size:13px}
.dm-search{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line2);border-radius:var(--r-sm);padding:8px 8px 8px 14px;margin-bottom:18px}
.dm-search .ic{width:18px;height:18px;color:var(--ink3);flex:none}
.dm-search input{flex:1;min-width:0;border:0;outline:0;font-size:14px;background:transparent;height:34px}

.dm-list{display:flex;flex-direction:column;gap:10px}
.dm-it{display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff;border:1px solid var(--line2);border-radius:var(--r-sm);padding:16px 18px;transition:border-color .15s,box-shadow .15s}
.dm-it:hover{border-color:var(--brand-line);box-shadow:0 4px 18px rgba(0,0,0,.05)}
.dm-it-b{display:flex;flex-direction:column;gap:6px;min-width:0}
.dm-tags{display:flex;gap:6px;flex-wrap:wrap}
.dm-model{font-size:16px;font-weight:600;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dm-desc{font-size:13px;line-height:1.6;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.dm-meta{font-size:12px}
.dm-go{display:inline-flex;align-items:center;gap:4px;flex:none;font-size:13px;color:var(--brand)}
.dm-go .ic{width:16px;height:16px}

.dm-how{margin-top:36px}
.dm-how h2{font-size:18px;font-weight:700;margin-bottom:14px}
.dm-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;list-style:none;padding:0;margin:0;counter-reset:dms}
.dm-steps li{background:#fff;border:1px solid var(--line2);border-radius:var(--r-sm);padding:16px;position:relative;counter-increment:dms}
.dm-steps li::before{content:counter(dms);position:absolute;top:14px;right:16px;font-size:20px;font-weight:800;color:var(--brand-bg);line-height:1}
.dm-steps b{display:block;font-size:14px;margin-bottom:6px}
.dm-steps span{font-size:13px;color:var(--ink2);line-height:1.6}

/* 详情 */
.dm-detail{display:grid;grid-template-columns:1fr 360px;gap:20px;align-items:start;margin-top:14px}
.dm-main{padding:24px}
.dm-title{font-size:24px;font-weight:800;line-height:1.4;margin:12px 0 18px}
.dm-spec{display:grid;grid-template-columns:88px 1fr;gap:10px 12px;margin:0;padding:16px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14px}
.dm-spec dt{color:var(--ink3);font-size:13px}
.dm-spec dd{margin:0;color:var(--ink)}
.dm-sub{font-size:15px;font-weight:600;margin:18px 0 8px}
.dm-text{font-size:14px;line-height:1.8;color:var(--ink2);margin:0}
.dm-note{font-size:12px;line-height:1.7;margin:18px 0 0;padding:10px 12px;background:var(--brand-bg2);border-radius:4px}

.dm-side{padding:20px;position:sticky;top:16px}
.dm-side-t{font-size:16px;font-weight:700;margin-bottom:8px}
.dm-side-p{font-size:12px;line-height:1.7;margin:8px 0 12px}
.dm-form{display:flex;flex-direction:column;gap:12px}
.dm-field{display:flex;flex-direction:column;gap:5px}
.dm-field>label{font-size:13px;color:var(--ink2);font-weight:500}
.dm-field>label .faint{font-weight:400;margin-left:4px}
.dm-field input,.dm-field textarea{border:1px solid var(--line2);border-radius:var(--r-sm);padding:9px 12px;font-size:14px;color:var(--ink);font-family:inherit;outline:0;width:100%;box-sizing:border-box;background:#fff}
.dm-field input:focus,.dm-field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-bg2)}
.dm-field textarea{resize:vertical;line-height:1.6}
.dm-err{color:var(--danger);font-size:12px;margin:0;padding:6px 10px;background:rgba(240,45,45,.06);border-radius:4px}
.dm-done b{display:block;font-size:15px;margin-bottom:6px}
.dm-done p{font-size:13px;line-height:1.7;margin:0 0 14px}

@media (max-width:900px){
  .dm-head-c h1{font-size:24px}
  .dm-it{flex-direction:column;align-items:flex-start;gap:10px}
  .dm-detail{grid-template-columns:1fr}
  .dm-side{position:static}
  .dm-steps{grid-template-columns:1fr 1fr}
  .dm-main{padding:18px}
}
@media (max-width:560px){
  .dm-steps{grid-template-columns:1fr}
  .dm-search{padding:6px 6px 6px 12px}
}

/* 竞价图片上传（在详情页竞价表单内） */
.imgs-wrap{display:flex;flex-direction:column;gap:8px}
.imgs-list{display:flex;flex-wrap:wrap;gap:8px;min-height:0}
.imgs-list:empty{display:none}
.imgs-it{position:relative;width:72px;height:72px;border-radius:6px;overflow:hidden;border:1px solid var(--line2);background:#FAFAFA;flex:none}
.imgs-it img{width:100%;height:100%;object-fit:cover;display:block}
.imgs-it button{position:absolute;top:2px;right:2px;width:18px;height:18px;border:0;border-radius:50%;background:rgba(0,0,0,.6);color:#fff;font-size:13px;line-height:1;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center}
.imgs-btn{align-self:flex-start;display:inline-flex;align-items:center;gap:4px;height:32px;padding:0 14px;border:1px dashed var(--brand-line);border-radius:var(--r-sm);background:var(--brand-bg2);color:var(--brand);font-size:13px;cursor:pointer;font-family:inherit}
.imgs-btn:hover{background:#FFE9D4;border-color:var(--brand)}
.imgs-btn:disabled{opacity:.5;cursor:not-allowed;background:#F6F7F9;border-color:var(--line2);color:var(--ink3)}
.imgs-btn.is-busy{opacity:.5;pointer-events:none}

/* 需求广场：列表缩略图、最低报价 */
.dm-it{display:flex;align-items:center;gap:14px}
.dm-price{color:var(--brand);font-weight:600}
.dm-hint{font-size:11px;color:var(--ink3);margin-top:2px}