/* =========================================================
   会员注册登录管理中心 · 样式
   ========================================================= */
:root{
  --primary:#4f46e5; --primary-d:#4338ca; --primary-l:#eef2ff;
  --bg:#f5f7fb; --card:#fff; --text:#1f2430; --text-2:#6b7280; --line:#e6e9f0;
  --danger:#e5484d; --danger-l:#fef2f2; --ok:#16a34a; --radius:14px;
  --shadow:0 8px 30px rgba(24,32,64,.08);
}
*{box-sizing:border-box;}
body{margin:0;font-family:-apple-system,"Segoe UI","Microsoft YaHei",Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased;}
a{color:var(--primary);text-decoration:none;}
button,input,select,textarea{font-family:inherit;}

/* ---------- 通用控件 ---------- */
.input, select.input, textarea.input{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;
  font-size:14px;background:#fbfcfe;outline:none;color:var(--text);transition:.18s;
}
.input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px var(--primary-l);}
.btn{border:0;border-radius:10px;padding:10px 16px;font-size:14px;font-weight:600;cursor:pointer;
  display:inline-block;transition:.18s;text-align:center;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-d);}
.btn-ghost{background:#f1f3f9;color:var(--text);}
.btn-ghost:hover{background:#e8ebf3;}
.btn-danger{background:var(--danger-l);color:var(--danger);}
.btn-danger:hover{background:#fde0e0;}
.btn-line{background:#fff;border:1px solid var(--line);color:var(--text);}
.btn-line:hover{border-color:var(--primary);color:var(--primary);}
.btn-sm{padding:6px 11px;font-size:13px;border-radius:8px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--text-2);margin-bottom:6px;}
.req{color:var(--danger);margin-left:2px;}
.err-text{color:var(--danger);font-size:13px;}

/* ---------- 认证页 ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:radial-gradient(1000px 500px at 10% -10%,#e0e7ff 0,transparent 55%),
             radial-gradient(900px 450px at 110% 10%,#ede9fe 0,transparent 50%),
             linear-gradient(160deg,#f7f8fc,#eef1fb);}
.auth-card{width:100%;max-width:920px;background:#fff;border-radius:22px;box-shadow:var(--shadow);
  display:flex;overflow:hidden;border:1px solid var(--line);}
.auth-brand{flex:1;background:linear-gradient(160deg,#4f46e5,#6d28d9);color:#fff;padding:48px 40px;}
.auth-brand h1{font-size:25px;margin:0 0 12px;}
.auth-brand p{margin:0;line-height:1.9;color:rgba(255,255,255,.88);font-size:14px;}
.auth-brand ul{margin:24px 0 0;padding:0;list-style:none;font-size:13.5px;}
.auth-brand li{margin-bottom:12px;padding-left:22px;position:relative;color:rgba(255,255,255,.92);}
.auth-brand li:before{content:"✓";position:absolute;left:0;font-weight:700;}
.auth-form{flex:1;padding:46px 42px;}
.tabs{display:flex;gap:8px;background:#f1f3f9;padding:5px;border-radius:12px;margin-bottom:24px;}
.tabs .tab,.tabs .tab-active{flex:1;text-align:center;padding:10px;border-radius:9px;font-weight:600;
  font-size:15px;color:var(--text-2);cursor:pointer;display:block;}
.tabs .tab-active{background:#fff;color:var(--primary);box-shadow:0 2px 8px rgba(24,32,64,.08);}
.captcha-row{display:flex;gap:10px;align-items:stretch;}
.captcha-row .input{flex:1;min-width:0;}
.captcha-img{width:118px;height:46px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;flex-shrink:0;display:block;}

/* ---------- 后台布局 ---------- */
.layout{display:flex;min-height:100vh;}
.sidebar{width:238px;background:#fff;border-right:1px solid var(--line);position:fixed;top:0;bottom:0;left:0;
  display:flex;flex-direction:column;}
.side-logo{padding:20px 22px;display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);}
.side-logo .mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(150deg,#4f46e5,#7c3aed);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;}
.side-logo b{display:block;font-size:15px;}
.side-logo span{font-size:11px;color:var(--text-2);}
.nav{padding:14px 12px;flex:1;}
.nav a{display:block;padding:12px 14px;border-radius:10px;color:var(--text-2);font-weight:600;
  margin-bottom:5px;font-size:14.5px;}
.nav a:hover{background:#f5f7fb;color:var(--text);}
.nav a.active{background:var(--primary-l);color:var(--primary);}
.side-foot{padding:16px;border-top:1px solid var(--line);}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(150deg,#4f46e5,#7c3aed);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;}
.userbox{display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px;background:#f7f8fc;}
.userbox b{font-size:13.5px;display:block;}
.userbox span{font-size:11.5px;color:var(--text-2);}
.main{margin-left:238px;flex:1;min-width:0;}
.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;
  justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:20;}
.topbar h2{margin:0;font-size:18px;}
.topbar-right{display:flex;align-items:center;gap:14px;flex-wrap:nowrap;}
.topbar-right .userbox{padding:5px 12px 5px 6px;}
.topbar-right .btn-sm{margin-left:2px;white-space:nowrap;}
@media (max-width:760px){
  .topbar-right .userbox span{display:none;}
  .side-logo span{display:none;}
}
.content{padding:24px 26px 60px;}

/* ---------- 卡片 / 表格 ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 2px 12px rgba(24,32,64,.04);overflow:hidden;}
.card-pad{padding:20px 22px;}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap;}
table.grid{width:100%;border-collapse:collapse;border:0;}
table.grid th{text-align:left;font-size:12.5px;color:var(--text-2);font-weight:700;padding:13px 16px;
  background:#fafbfe;border-bottom:1px solid var(--line);white-space:nowrap;}
table.grid td{padding:13px 16px;border-bottom:1px solid var(--line);vertical-align:middle;}
table.grid tr:last-child td{border-bottom:0;}
table.grid tr:hover td{background:#fbfcff;}
.name-cell b{display:block;font-size:14px;}
.name-cell span{font-size:12px;color:var(--text-2);}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  padding:4px 11px;border-radius:20px;white-space:nowrap;}
.badge:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;}
.st-gray{background:#eef1f6;color:#5b6472;}
.st-blue{background:#e8efff;color:#2563eb;}
.st-amber{background:#fff4e5;color:#b45309;}
.st-red{background:#fdeaea;color:#d9333b;}
.st-green{background:#e6f7ed;color:#15803d;}
.st-purple{background:#f0eaff;color:#6d28d9;}
.st-teal{background:#e0f7fa;color:#0e7490;}
table.grid .grid-pager td{text-align:right;padding:12px 16px;}
table.grid .grid-pager a,table.grid .grid-pager span{
  display:inline-block;min-width:30px;text-align:center;padding:5px 9px;margin-left:4px;
  border:1px solid var(--line);border-radius:7px;font-size:13px;text-decoration:none;color:var(--text-1);}
table.grid .grid-pager span{background:var(--primary);border-color:var(--primary);color:#fff;}
table.grid .grid-pager a:hover{border-color:var(--primary);color:var(--primary);}
/* 窄屏自适应：隐藏可选列（所属主体 / 更新时间） */
@media (max-width:1120px){
  table.grid th.col-opt,table.grid td.col-opt{display:none;}
}
.muted{color:var(--text-2);font-weight:400;font-size:12px;}
.contact-list{display:flex;flex-direction:column;gap:10px;margin:4px 0 18px;}
.contact-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);
  border-radius:12px;background:#fbfcfe;}
.contact-item .k{width:80px;flex-shrink:0;color:var(--text-2);font-size:13px;}
.contact-item .v{font-size:16px;font-weight:700;letter-spacing:.3px;}
.contact-qr{text-align:center;padding:8px 0 2px;border-top:1px dashed var(--line);margin-top:6px;}
.contact-qr img{width:220px;height:220px;padding:8px;background:#fff;border:1px solid var(--line);
  border-radius:14px;display:inline-block;}
details.tree{margin:0;}
details.tree>summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--primary);outline:none;}
.tree-subj{margin:10px 0 0 12px;padding:0 0 6px 12px;border-left:2px solid var(--line);}
.tree-subj>b{font-size:13.5px;}
.tree-domains{list-style:none;margin:8px 0 0;padding:0 0 0 8px;}
.tree-domains li{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:13px;color:var(--text);}
.pill{display:inline-flex;align-items:center;gap:5px;background:var(--primary-l);color:var(--primary);
  font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:20px;}
.time-cell{font-size:12.5px;color:var(--text-2);white-space:nowrap;}
.empty{padding:60px 20px;text-align:center;color:var(--text-2);}
.empty .e-ic{font-size:42px;opacity:.4;margin-bottom:12px;}

/* ---------- 表单分区 ---------- */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;}
.span2{grid-column:1/-1;}
.section-title{font-size:12.5px;font-weight:700;color:var(--primary);margin:8px 0 14px;
  display:flex;align-items:center;gap:8px;}
.section-title:before{content:"";width:3px;height:14px;background:var(--primary);border-radius:2px;}
.check-line{display:flex;align-items:center;gap:8px;font-size:13.5px;margin:-2px 0 14px;cursor:pointer;}
.check-line input{width:16px;height:16px;accent-color:var(--primary);}
.hint{font-size:12.5px;color:var(--text-2);margin:-6px 0 14px;line-height:1.7;}

/* ---------- 上传控件 ---------- */
.upload{display:block;border:1.5px dashed #cdd3e0;border-radius:12px;background:#fbfcfe;
  padding:12px;text-align:center;cursor:pointer;transition:.18s;min-height:96px;position:relative;
  display:flex;align-items:center;justify-content:center;flex-direction:column;}
.upload:hover{border-color:var(--primary);background:var(--primary-l);}
.upload input[type=file]{display:none;}
.upload .up-hint{color:var(--text-2);font-size:12.5px;}
.upload .up-hint .ic{display:block;font-size:20px;opacity:.6;margin-bottom:4px;}
.upload img{max-width:100%;max-height:120px;border-radius:8px;display:block;}
.img-cell img{max-width:120px;max-height:84px;border-radius:8px;border:1px solid var(--line);}

/* ---------- 详情 ---------- */
.detail-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);}
.detail-item{padding:12px 16px;border-bottom:1px solid var(--line);}
.detail-item .k{font-size:12px;color:var(--text-2);margin-bottom:4px;}
.detail-item .v{font-size:14px;word-break:break-all;}
.detail-wide{grid-column:1/-1;}
.img-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;padding:14px 16px;}
.img-row figure{margin:0;text-align:center;}
.img-row a{display:block;text-decoration:none;}
.img-row img{width:100%;height:150px;object-fit:contain;background:#f7f8fc;
  border-radius:10px;border:1px solid var(--line);cursor:zoom-in;}
.img-row figcaption{font-size:12px;color:var(--text-2);margin-top:6px;}

/* ---------- 提示条 ---------- */
.alert{padding:10px 14px;border-radius:10px;font-size:13.5px;margin-bottom:14px;}
.alert-err{background:var(--danger-l);color:#8f2326;border:1px solid #f6cfd0;}
.alert-ok{background:#eafaf0;color:#12633a;border:1px solid #c8efd8;}

/* ---------- 工单对话 ---------- */
.thread{display:flex;flex-direction:column;gap:14px;padding:18px 22px;background:#fbfcfe;}
.msg{display:flex;gap:12px;align-items:flex-start;}
.msg .bubble{background:#fff;border:1px solid var(--line);border-radius:12px;padding:11px 14px;
  font-size:14px;line-height:1.7;white-space:pre-wrap;word-break:break-word;max-width:78%;}
.msg .head{font-size:12px;color:var(--text-2);margin-bottom:5px;display:flex;gap:8px;align-items:center;}
.msg.admin{flex-direction:row-reverse;}
.msg.admin .bubble{background:var(--primary-l);border-color:#dcd9fb;}
.msg.admin .head{justify-content:flex-end;}
.tag{font-size:11px;font-weight:700;padding:2px 8px;border-radius:20px;white-space:nowrap;}
.tag-admin{background:var(--primary);color:#fff;}
.tag-member{background:#e6e9f0;color:#5b6472;}
.thread-empty{padding:28px;text-align:center;color:var(--text-2);}

/* ---------- 工单统计 ---------- */
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:18px;}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;}
.stat .n{font-size:22px;font-weight:700;}
.stat .l{font-size:12.5px;color:var(--text-2);margin-top:4px;}
@media (max-width:900px){ .stats{grid-template-columns:repeat(2,1fr);} }

/* ---------- 未读角标 ---------- */
.nav-badge{display:inline-block;min-width:18px;text-align:center;background:var(--danger);color:#fff;
  font-size:11px;font-weight:700;border-radius:20px;padding:1px 6px;margin-left:6px;line-height:16px;}

/* ---------- 工单附件 ---------- */
.attach{margin-top:9px;display:flex;flex-direction:column;gap:6px;}
.attach a{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--primary);
  background:#fff;border:1px solid var(--line);border-radius:8px;padding:5px 10px;
  text-decoration:none;max-width:100%;word-break:break-all;}
.attach a:hover{border-color:var(--primary);}
.file-note{font-size:12px;color:var(--text-2);margin-top:6px;line-height:1.7;}

@media (max-width:900px){
  .auth-brand{display:none;}
  .layout{flex-direction:column;position:relative;}
  .sidebar{position:static;width:100%;border-right:0;}
  .main{margin-left:0;}
  .grid2,.grid3,.detail-list{grid-template-columns:1fr;}
  /* 窄屏：压缩表格间距，尽量让列表完整显示 */
  .table-scroll table.grid th,.table-scroll table.grid td{padding:10px 11px;}
  /* 窄屏：把「会员名/手机号/退出登录」浮到顶部，与 Logo 同一行 */
  .topbar{position:static;height:auto;border-bottom:0;background:transparent;padding:12px 18px 0;z-index:auto;}
  .topbar h2{font-size:17px;margin:0;}
  .topbar-right{position:absolute;top:0;right:16px;height:78px;display:flex;align-items:center;gap:10px;z-index:5;}
}
/* ---------- 弹出层（模态） ---------- */
.modal-mask{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(20,26,45,.45);
  z-index:1000;display:flex;align-items:flex-start;justify-content:center;padding:56px 16px;overflow:auto;}
.modal{background:#fff;border-radius:16px;box-shadow:0 24px 60px rgba(15,23,42,.28);
  width:100%;max-width:560px;padding:22px;}
.modal-head{display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:700;margin-bottom:14px;}
.modal-x{color:var(--text-2);font-size:15px;text-decoration:none;padding:2px 9px;border-radius:8px;line-height:1.2;}
.modal-x:hover{background:var(--bg);color:var(--text);}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:16px;}