/* 军垦志愿者协会资助平台 */
:root{
  --red:#b8342e; --red-d:#8f211d; --gold:#c9a227; --ink:#2b2b2b; --mut:#7a7a7a;
  --bg:#f7f5f0; --card:#fff; --line:#e8e2d6; --ok:#0e7a3d; --warn:#d97706;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65}
a{color:var(--red);text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}

/* 顶栏 */
.topbar{background:linear-gradient(135deg,var(--red-d),var(--red));color:#fff}
.topbar .wrap{display:flex;align-items:center;gap:14px;padding:14px 16px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;letter-spacing:1px}
.logo .em{width:38px;height:38px;border-radius:8px;background:rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;font-size:20px;border:1px solid rgba(255,255,255,.35)}
.topnav{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
.topnav a{color:rgba(255,255,255,.92);padding:7px 14px;border-radius:8px;font-size:15px}
.topnav a:hover,.topnav a.on{background:rgba(255,255,255,.16)}
.hero{background:linear-gradient(135deg,#7a1f1b,#b8342e 60%,#cf5b2e);color:#fff;text-align:center;padding:56px 16px}
.hero h1{font-size:30px;letter-spacing:2px;margin-bottom:10px}
.hero p{opacity:.92;font-size:16px;margin-bottom:22px}
.btn{display:inline-block;background:var(--red);color:#fff;border:none;padding:11px 26px;border-radius:10px;font-size:15px;cursor:pointer;transition:.15s}
.btn:hover{background:var(--red-d)}
.btn.gold{background:var(--gold);color:#3d2f00}
.btn.ghost{background:transparent;border:1px solid #fff;color:#fff}
.btn.sm{padding:6px 14px;font-size:13px;border-radius:8px}
.btn.gray{background:#8a8a8a}
.btn.ok{background:var(--ok)}

/* 区块 */
.sect{padding:38px 0}
.sect-h{display:flex;align-items:baseline;gap:12px;margin-bottom:20px}
.sect-h h2{font-size:22px;color:var(--ink)}
.sect-h h2::before{content:"";display:inline-block;width:6px;height:20px;background:var(--red);border-radius:3px;margin-right:10px;vertical-align:-3px}
.sect-h .more{margin-left:auto;font-size:14px}
.grid{display:grid;gap:18px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 1px 6px rgba(0,0,0,.04)}
.case-card img{width:100%;height:170px;object-fit:cover}
.case-card .bd{padding:14px 16px}
.case-card h3{font-size:16px;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.case-card p{font-size:13px;color:var(--mut);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px}
.case-meta{display:flex;gap:14px;font-size:12px;color:var(--gold);margin-top:8px;font-weight:600}
.about-card{padding:24px}
.about-card p{white-space:pre-wrap;color:#555;font-size:15px}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:8px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center}
.stat b{display:block;font-size:26px;color:var(--red)}
.stat span{font-size:13px;color:var(--mut)}

/* 表单 */
.form-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px;max-width:660px;margin:0 auto}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.field label .req{color:var(--red)}
.field input,.field select,.field textarea{width:100%;border:1px solid #d8d2c4;border-radius:10px;padding:10px 12px;font-size:15px;background:#fffdf8;color:var(--ink)}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid rgba(184,52,46,.25);border-color:var(--red)}
.hint{font-size:12px;color:var(--mut);margin-top:4px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.pics{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.pics .pv{position:relative;width:86px;height:86px;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.pics .pv img{width:100%;height:100%;object-fit:cover}
.pics .pv .del{position:absolute;top:2px;right:2px;background:rgba(0,0,0,.55);color:#fff;border:none;border-radius:6px;width:20px;height:20px;font-size:12px;cursor:pointer;line-height:1}
.addpic{width:86px;height:86px;border:1.5px dashed #c9bfa8;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:26px;color:#a89c82;cursor:pointer;background:#fffdf8}

/* 状态标签 */
.tag{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}
.tag.pending{background:#fdf2e3;color:#b45309}
.tag.wait_sign{background:#f3e8ff;color:#7c3aed}
.tag.approved{background:#e6f6ec;color:#0e7a3d}
.tag.rejected{background:#fdeaea;color:#b91c1c}
.tag.signed{background:#e8f0fd;color:#1d4ed8}
.tag.completed{background:#eceff4;color:#475569}

/* 时间线 */
.timeline{margin:14px 0}
.tl-item{position:relative;padding:0 0 18px 26px;border-left:2px solid var(--line);margin-left:8px}
.tl-item:last-child{border-left-color:transparent}
.tl-item::before{content:"";position:absolute;left:-7px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--red);border:2px solid #fff;box-shadow:0 0 0 2px rgba(184,52,46,.3)}
.tl-item .t{font-size:13px;color:var(--mut)}
.tl-item .c{font-size:14px}

/* 合同签署 */
.stage{position:relative;display:inline-block;max-width:100%;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
.stage img.bg{width:100%;display:block}
.drag{position:absolute;cursor:grab;touch-action:none;user-select:none}
.drag img{pointer-events:none}
.drag:active{cursor:grabbing}
.drag .rz{position:absolute;right:3px;bottom:3px;width:26px;height:26px;border-radius:50%;background:#1a3a6b;color:#fff;border:2px solid #fff;box-shadow:0 1px 5px rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;font-size:13px;line-height:1;cursor:nwse-resize;pointer-events:auto;touch-action:none;z-index:6}
.sign-panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-top:16px}
.tabs{display:flex;gap:8px;margin-bottom:14px}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 18px;cursor:pointer;font-size:14px}
.tabs button.on{background:var(--red);color:#fff;border-color:var(--red)}
#pad{border:1.5px dashed #c9bfa8;border-radius:12px;background:#fffdf8;width:100%;max-width:560px;height:190px;touch-action:none;display:block}
.font-sign-input{font-size:22px}
#fontPrev{border:1px solid var(--line);border-radius:10px;background:#fffdf8;padding:10px 16px;min-height:64px;display:flex;align-items:center;margin-top:8px}
#fontPrev span{font-size:38px;line-height:1.2}
.seal-line{display:flex;align-items:center;gap:10px;margin-top:14px;flex-wrap:wrap}
.seal-thumb{width:74px;height:74px;object-fit:contain}
.layer-list{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap}
.layer-chip{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:13px}
.layer-chip img{width:34px;height:34px;object-fit:contain}
.layer-chip .rm{color:#b91c1c;cursor:pointer;font-weight:700}
.viewer img{border:1px solid var(--line);border-radius:10px}

/* 后台 */
.adm{display:flex;min-height:100vh}
.side{width:210px;background:#241d1c;color:#e8ddd5;flex-shrink:0;display:flex;flex-direction:column}
.side .brand{padding:20px 18px;font-weight:700;font-size:16px;border-bottom:1px solid rgba(255,255,255,.08);color:#fff}
.side a{display:block;padding:12px 20px;color:#cfc4bb;font-size:14px}
.side a:hover,.side a.on{background:rgba(184,52,46,.28);color:#fff}
.side .foot{margin-top:auto;padding:14px 20px;font-size:12px;color:#8d8177}
.main{flex:1;padding:22px;min-width:0}
.main header{display:flex;align-items:center;margin-bottom:18px;gap:12px}
.main header h1{font-size:20px}
.main header .u{margin-left:auto;font-size:13px;color:var(--mut)}
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--line);font-size:14px}
.tbl th,.tbl td{padding:11px 12px;text-align:left;border-bottom:1px solid #f0ece2;vertical-align:middle}
.tbl th{background:#faf7f0;font-size:13px;color:#6b6353;white-space:nowrap}
.tbl tr:hover td{background:#fcfaf5}
.ops{display:flex;gap:6px;flex-wrap:wrap}
.mini{font-size:12px;padding:4px 10px;border-radius:7px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink)}
.mini.pri{background:var(--red);color:#fff;border-color:var(--red)}
.mini.okb{background:var(--ok);color:#fff;border-color:var(--ok)}
.mini.warnb{background:var(--warn);color:#fff;border-color:var(--warn)}
.panel{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:18px}
.panel h2{font-size:16px;margin-bottom:14px}
.kv{display:grid;grid-template-columns:110px 1fr;gap:8px 12px;font-size:14px}
.kv .k{color:var(--mut)}
.toast{position:fixed;top:18px;left:50%;transform:translateX(-50%);background:#2b2b2b;color:#fff;padding:10px 22px;border-radius:10px;font-size:14px;z-index:99;display:none}
.empty{text-align:center;color:var(--mut);padding:36px 0}

/* 页脚 */
.footer{background:#2b2624;color:#a89c8e;padding:26px 0;margin-top:40px;font-size:13px;text-align:center}
.footer a{color:#d3c6b4}

@media(max-width:820px){
  .g3,.g4{grid-template-columns:1fr 1fr}
  .stat-row{grid-template-columns:1fr 1fr}
  .frow{grid-template-columns:1fr}
}
/* 手机端顶栏：logo 一行 + 导航一行（内部不再换行） */
@media(max-width:720px){
  .topbar .wrap{flex-direction:column;flex-wrap:nowrap;gap:4px;padding:10px 8px 6px}
  .logo{font-size:17px;letter-spacing:2px;justify-content:center;width:100%}
  .topnav{margin-left:0;width:100%;flex-wrap:nowrap;gap:4px}
  .topnav a{flex:1;text-align:center;padding:7px 4px;font-size:14px;white-space:nowrap}
  .hero{padding:40px 14px}
  .hero .btn{display:block;width:100%;margin:6px 0 0!important}
}
@media(max-width:560px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  .hero h1{font-size:24px}
  .adm{flex-direction:column}
  .side{width:100%;flex-direction:row;flex-wrap:wrap;align-items:center}
  .side .brand{border:none;padding:14px}
  .side a{padding:10px 12px}
  .side .foot{display:none}
  .main{padding:14px}
  .tbl{display:block;overflow-x:auto}
}