:root{
  --primary:#1D4ED8;
  --primary-dark:#1E40AF;
  --primary-deep:#1E3A8A;
  --primary-soft:#EFF4FF;
  --ink:#0F172A;
  --ink-2:#475569;
  --ink-3:#94A3B8;
  --line:#E2E8F0;
  --line-2:#F1F5F9;
  --bg:#EEF2F7;
  --card:#FFFFFF;
  --ok:#16A34A;
  --ok-soft:#DCFCE7;
  --danger:#DC2626;
  --warn:#D97706;
  --warn-soft:#FEF3C7;
  --radius:14px;
  --shadow:0 10px 26px rgba(15,42,110,.07);
  --shadow-lg:0 18px 46px rgba(15,42,110,.14);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Segoe UI',Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;font-size:14px;
}
a{color:var(--primary);text-decoration:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit}

/* ============ 登录页（介绍全宽置顶 + 居中登录卡片） ============ */
.login-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;
  background:linear-gradient(180deg,#F4F7FC 0%,#EEF2F7 60%)}
.lp-hero{width:100%;position:relative;overflow:hidden;text-align:center;color:#fff;
  background:linear-gradient(150deg,#1E3A8A 0%,#1D4ED8 55%,#2563EB 100%);padding:54px 24px 84px}
.lp-hero::before{content:"";position:absolute;left:-120px;top:-150px;width:360px;height:360px;border-radius:50%;
  background:rgba(255,255,255,.06)}
.lp-hero::after{content:"";position:absolute;right:-90px;bottom:-190px;width:400px;height:400px;border-radius:50%;
  background:rgba(255,255,255,.05)}
.lp-brand{position:relative;z-index:1;display:inline-flex;align-items:center;gap:12px;margin-bottom:30px}
.lp-logo{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 20px rgba(0,0,0,.12);backdrop-filter:blur(4px)}
.lp-logo svg{width:22px;height:22px}
.lp-brand b{font-size:18px;letter-spacing:.4px;display:block;text-align:left}
.lp-brand span{display:block;font-size:11.5px;opacity:.75;margin-top:2px;font-weight:400;letter-spacing:.2px;text-align:left}
.lp-title{position:relative;z-index:1;font-size:36px;font-weight:800;line-height:1.42;margin:0 0 14px;letter-spacing:.5px}
.hl{color:#BFDBFE}
.lp-sub{position:relative;z-index:1;font-size:15px;line-height:1.9;margin:0 auto;max-width:640px;opacity:.92;font-weight:400}
.lp-feats{position:relative;z-index:1;display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:30px}
.lp-feat{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(4px);line-height:1.5}
.lp-feat svg{width:15px;height:15px;flex:none;opacity:.95}
.lp-feat b{font-weight:700;margin-right:2px}
.lp-card{width:100%;max-width:434px;background:var(--card);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-lg);padding:34px 36px 28px;margin-top:-48px;position:relative;z-index:2}
.lf-title{font-size:21px;font-weight:700;margin:0 0 4px;text-align:center}
.lf-sub{font-size:13px;color:var(--ink-3);margin:0 0 26px;text-align:center}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.control{display:flex;align-items:center;gap:10px;background:#F8FAFC;border:1.5px solid var(--line);
  border-radius:11px;padding:0 14px;transition:.15s}
.control:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(29,78,216,.12)}
.control input{flex:1;border:none;outline:none;background:transparent;font-size:15px;padding:12px 0;color:var(--ink)}
.control input::placeholder{color:#B6C2D6}
.control .pre{color:var(--ink-3);font-size:14px;white-space:nowrap;font-family:ui-monospace,Consolas,monospace}
.btn{border:none;cursor:pointer;font-size:15px;font-weight:600;border-radius:11px;padding:12px 28px;
  transition:.15s;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(29,78,216,.30)}
.btn-primary:hover{background:var(--primary-dark)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}
.lp-card .btn-primary{width:100%;padding:13px 28px;font-size:15.5px}
.lf-err{display:none;margin-top:14px;text-align:center;color:var(--danger);font-size:13px}
.lp-alt{margin-top:18px;text-align:center;font-size:12.5px;color:var(--ink-3);line-height:1.9}
.lp-alt a{color:var(--primary);font-weight:600}
.lp-alt a:hover{text-decoration:underline}
.login-page .foot-bar{width:100%;max-width:none;margin:22px 0 0;padding:0 16px 30px}
@media(max-width:720px){
  .lp-hero{padding:38px 18px 74px}
  .lp-title{font-size:27px}
  .lp-sub{font-size:14px}
  .lp-feat{font-size:12px;padding:7px 12px}
  .lp-card{padding:26px 22px 22px;margin-top:-40px}
}

/* ============ 应用壳：左右结构 ============ */
.shell{display:flex;min-height:100vh}
.side{width:230px;flex:none;background:var(--card);border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:5}
.side-head{padding:20px 18px 14px;border-bottom:1px solid var(--line-2)}
.side-brand{display:flex;align-items:center;gap:10px}
.side-brand .logo{width:38px;height:38px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,#1D4ED8,#3B82F6);display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(29,78,216,.28)}
.side-brand .logo svg{width:19px;height:19px}
.side-brand .bt{font-size:15.5px;font-weight:700;line-height:1.2}
.side-brand .bs{font-size:11px;color:var(--ink-3);margin-top:2px;word-break:break-all}
.side-nav{flex:1;padding:12px 10px;overflow-y:auto}
.nav-cap{font-size:11px;color:var(--ink-3);padding:10px 10px 6px;letter-spacing:.5px;font-weight:600}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;margin:2px 0;
  color:var(--ink-2);font-size:14px;cursor:pointer;transition:.13s;border:none;background:none;width:100%;text-align:left;font-weight:500}
.nav-item:hover{background:#F1F5F9;color:var(--ink)}
.nav-item.active{background:var(--primary-soft);color:var(--primary-dark);font-weight:700}
.nav-item .ic{flex:none;width:18px;height:18px;display:flex;align-items:center;justify-content:center}
.nav-item .ic svg{width:18px;height:18px}
.side-user{border-top:1px solid var(--line-2);padding:14px 16px}
.su-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.su-ava{width:34px;height:34px;border-radius:50%;background:var(--primary-soft);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex:none}
.su-meta{min-width:0}
.su-meta .n{font-weight:700;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.su-meta .r{font-size:11.5px;color:var(--ink-3)}
.btn-quit{width:100%;border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px;font-size:13px;
  color:var(--ink-2);cursor:pointer;transition:.13s}
.btn-quit:hover{color:var(--danger);border-color:#FECACA}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.m-top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 30px 0}
.m-top h1{font-size:20px;margin:0;font-weight:700}
.m-top .sub{font-size:12.5px;color:var(--ink-3);margin-top:3px}
.m-right{display:flex;align-items:center;gap:8px}
.m-body{padding:20px 30px 56px;flex:1}
.container{max-width:1180px}
@media(max-width:960px){
  .side{width:200px}
  .main{padding:0}
  .m-top{padding:16px 16px 0}.m-body{padding:14px 16px 44px}
}
@media(max-width:760px){
  .shell{flex-direction:column}
  .side{width:100%;height:auto;position:static;flex-direction:row;align-items:center;flex-wrap:wrap;border-right:none;border-bottom:1px solid var(--line)}
  .side-head{border:none;padding:10px 12px}
  .side-nav{display:flex;padding:6px 8px;overflow-x:auto}
  .side-user{display:none}
  .nav-cap{display:none}
  .nav-item{white-space:nowrap;padding:8px 12px}
}

/* ---------- 顶栏小控件 ---------- */
.link-back{font-size:13px;color:var(--ink-2);border:1px solid var(--line);background:var(--card);
  padding:8px 14px;border-radius:9px;transition:.15s}
.link-back:hover{color:var(--primary);border-color:#BFDBFE}
.u-chip{background:var(--card);border:1px solid var(--line);padding:6px 12px;border-radius:99px;font-size:13px;
  color:var(--ink-2);display:inline-flex;align-items:center;gap:5px}
.u-chip b{color:var(--ink)}
.q-badge{background:var(--primary-soft);color:var(--primary-dark);border-color:#DBEAFE;font-weight:700}
.q-badge.free{background:var(--ok-soft);color:#15803D;border-color:#BBF7D0}
.q-badge.low{background:var(--warn-soft);color:#B45309;border-color:#FDE68A}

/* ============ 仪表盘统计卡 ============ */
.dash{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}
.dstat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;
  display:flex;align-items:center;gap:14px;box-shadow:var(--shadow)}
.dstat .di{flex:none;width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center}
.dstat .di svg{width:22px;height:22px}
.di.blue{background:var(--primary-soft)}.di.blue svg{stroke:var(--primary)}
.di.green{background:var(--ok-soft)}.di.green svg{stroke:#15803D}
.di.amber{background:var(--warn-soft)}.di.amber svg{stroke:#B45309}
.di.purple{background:#F3E8FF}.di.purple svg{stroke:#9333EA}
.dstat .dv{font-size:24px;font-weight:800;line-height:1.1}
.dstat .dl{font-size:12.5px;color:var(--ink-3);margin-top:3px}
@media(max-width:1100px){.dash{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.dash{grid-template-columns:1fr 1fr}.dstat{padding:14px}.dstat .dv{font-size:20px}}

/* ============ 卡片与表单 ============ */
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}
.card .card-h{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 20px;border-bottom:1px solid var(--line-2)}
.card .card-h h2{font-size:15.5px;margin:0;font-weight:700}
.card .card-h .desc{font-size:12px;color:var(--ink-3);margin-top:2px}
.card .card-b{padding:20px}
.op-btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 12px;font-size:12.5px;
  cursor:pointer;color:var(--ink-2);margin-right:6px;transition:.15s;font-weight:500}
.op-btn:hover{border-color:var(--primary);color:var(--primary)}
.op-btn.danger:hover{border-color:var(--danger);color:var(--danger)}
.op-btn.copied{background:var(--ok);color:#fff;border-color:var(--ok)}
.copy-btn{background:var(--primary);color:#fff;border:none;border-radius:9px;padding:9px 18px;font-size:14px;
  font-weight:600;cursor:pointer}
.copy-btn:hover{background:var(--primary-dark)}
.copy-btn.copied{background:var(--ok)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.hint{font-size:12px;color:var(--ink-3);margin-top:6px}
.muted{color:var(--ink-3);font-size:12.5px}
.mtop{margin-top:14px}
.mt20{margin-top:20px}

/* ============ 生成结果 ============ */
.result{display:none;margin-top:18px;background:#F0F7FF;border:1.5px solid #BFDBFE;border-radius:14px;padding:18px 20px}
.result.show{display:block;animation:pop .25s ease}
@keyframes pop{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.result .rt{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--primary-dark);margin-bottom:10px}
.rbody{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.rlink{font-size:20px;font-weight:800;color:var(--primary);word-break:break-all;flex:1;min-width:200px}
.rdest{font-size:12.5px;color:var(--ink-2);word-break:break-all;background:#fff;border:1px solid #DBEAFE;
  padding:7px 10px;border-radius:8px;margin-top:10px}
.rdest b{color:var(--ink-3);font-weight:500}
.actions{display:flex;align-items:center;gap:12px;margin-top:20px;flex-wrap:wrap}

/* ============ 表格 ============ */
.tbl-wrap{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:auto;
  box-shadow:var(--shadow);margin-top:16px}
table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:860px}
th{background:#F8FAFC;text-align:left;padding:12px 14px;color:var(--ink-2);font-size:12.5px;
  border-bottom:1px solid var(--line);white-space:nowrap;position:sticky;top:0;font-weight:600}
td{padding:11px 14px;border-bottom:1px solid var(--line-2);vertical-align:middle;color:var(--ink-2)}
tr:last-child td{border-bottom:none}
tr:hover td{background:#F8FAFC}
.tcode{font-family:ui-monospace,Consolas,monospace;font-weight:700;color:var(--primary);cursor:pointer}
.turl{max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom}
.tbadge{display:inline-block;font-size:11.5px;padding:2px 10px;border-radius:99px;font-weight:600;white-space:nowrap}
.tbadge.on{background:var(--ok-soft);color:#15803D}
.tbadge.off{background:#FEE2E2;color:#B91C1C}
.empty{display:none;padding:46px 20px;text-align:center;color:var(--ink-3);font-size:14px}

/* ============ 归属多选 / 用户卡 ============ */
.owner-wrap{display:flex;flex-wrap:wrap;gap:8px;background:#F8FAFC;border:1.5px solid var(--line);
  border-radius:11px;padding:8px 10px;min-height:44px;align-items:center}
.owner-opt{display:inline-flex;align-items:center;gap:5px;border-radius:99px;padding:5px 12px;cursor:pointer;
  font-size:13px;color:var(--ink-2);user-select:none;background:#fff;border:1.5px solid var(--line);transition:.13s}
.owner-opt input{display:none}
.owner-opt.on{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-dark);font-weight:600}
.user-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.user-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow)}
.user-card.add-card{border-style:dashed}
.uc-head{display:flex;align-items:center;gap:10px;margin-bottom:8px;flex-wrap:wrap}
.uc-title{font-size:15px;font-weight:700}
.role-badge{font-size:11.5px;padding:2px 10px;border-radius:99px;background:var(--primary-soft);
  color:var(--primary-dark);font-weight:600}
.role-badge.user{background:#F1F5F9;color:#475569}
.uc-meta{font-size:12px;color:var(--ink-3);margin-left:auto}
.uc-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:8px 0}
.uc-row .f{font-size:12.5px;color:var(--ink-3);flex:none;min-width:38px}
.row-input{border:1.5px solid var(--line);border-radius:9px;padding:8px 12px;font-size:13.5px;outline:none;
  color:var(--ink);background:#fff;min-width:0;transition:.15s}
.row-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,78,216,.10)}
.row-input.grow{flex:1;min-width:150px}
td .row-input{padding:6px 10px;font-size:13px;background:#FDFEFF}
.uc-row input[type=number]{width:96px}
.radio-pill{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--ink-2);cursor:pointer;margin-right:4px}
.uc-domains{display:flex;flex-wrap:wrap;gap:6px}
.mini{font-size:12px;color:var(--ink-3)}
@media(max-width:1100px){.user-grid{grid-template-columns:1fr}}
@media(max-width:760px){.row2,.row3{grid-template-columns:1fr}}

/* toast */
#toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);
  background:#0F172A;color:#fff;padding:10px 22px;border-radius:10px;font-size:14px;
  opacity:0;pointer-events:none;transition:.25s;z-index:99}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ============ v3 增补：页脚 / 锁提示 / 弹窗 / 用户行式表格 / 设置页 ============ */
/* ---- 底部信息条 ---- */
.foot-bar{margin:20px auto 0;max-width:1180px;padding:0 24px 10px;text-align:center;
  color:var(--ink-3);font-size:12px;line-height:2}
#loginView .foot-bar{margin:18px auto 0;padding:0}
.shell .main .foot-bar{margin:auto auto 0;padding:18px 30px 26px;width:100%}
.foot-bar a{color:var(--ink-3)}
.foot-bar a:hover{color:var(--primary)}
@media(max-width:760px){.shell .main .foot-bar{padding:12px 14px 18px}}

/* ---- 域名仅本账号使用 提示 ---- */
.lock-note{display:flex;align-items:center;gap:7px;margin-top:8px;font-size:12.5px;
  color:var(--ink-2);background:var(--primary-soft);border:1px dashed #BFDBFE;
  border-radius:9px;padding:7px 12px}
.lock-note svg{flex:none;color:var(--primary)}

/* ---- 模态弹窗 ---- */
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;
  align-items:center;justify-content:center;z-index:80;padding:18px}
.modal-mask.show{display:flex}
.modal{background:#fff;width:100%;max-width:600px;border-radius:18px;
  box-shadow:var(--shadow-lg);animation:pop .18s ease;overflow:hidden}
.modal-h{display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--line-2)}
.modal-h h3{margin:0;font-size:16px}
.modal-x{border:none;background:#F1F5F9;width:28px;height:28px;border-radius:8px;
  font-size:14px;cursor:pointer;color:var(--ink-2);flex:none}
.modal-x:hover{background:#FEE2E2;color:var(--danger)}
.modal-b{padding:20px 20px 8px;max-height:68vh;overflow-y:auto}
.modal-f{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;
  border-top:1px solid var(--line-2);background:#FAFBFC}
.modal .field{margin-bottom:16px}
.modal label.lbl{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.mf-input{width:100%;border:1.5px solid var(--line);border-radius:10px;padding:10px 13px;
  font-size:14px;outline:none;color:var(--ink);background:#fff;transition:.15s}
.mf-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(29,78,216,.10)}
.mf-input:disabled{background:#F1F5F9;color:var(--ink-3)}
.mf-hint{font-size:12px;color:var(--ink-3);margin-top:6px}

/* ---- 用户管理：行式表格 ---- */
.tbl-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;
  flex-wrap:wrap;margin-bottom:4px}
.us-name{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--ink)}
.us-quota{display:inline-block;font-size:12px;padding:3px 10px;border-radius:99px;
  background:var(--primary-soft);color:var(--primary-dark);font-weight:600;white-space:nowrap}
.us-quota.free{background:var(--ok-soft);color:#15803D}
.us-quota.low{background:var(--warn-soft);color:#B45309}
.dom-cell{display:flex;flex-wrap:wrap;gap:4px;max-width:300px}
.dom-tag{font-size:11.5px;background:#F1F5F9;border:1px solid var(--line);
  color:var(--ink-2);padding:1px 8px;border-radius:99px;white-space:nowrap}
.set-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:960px){.set-grid{grid-template-columns:1fr}}
.set-title{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:700;margin:0 0 4px}
.set-title svg{color:var(--primary)}
.set-desc{font-size:12.5px;color:var(--ink-3);margin-bottom:14px}

/* ============ v4 增补：结果二维码 / 列表短链网址 ============ */
.rqr{display:flex;gap:16px;align-items:center;margin-top:14px;background:#fff;
  border:1px solid #DBEAFE;border-radius:12px;padding:12px 14px}
.rqr-img{flex:none;width:132px;height:132px;background:#fff;border:1px solid var(--line);
  border-radius:8px;padding:4px;display:flex;align-items:center;justify-content:center}
.rqr-img img{width:100%;height:100%}
.rqr-side{min-width:0;flex:1}
.rqr-t{font-size:14px;font-weight:700;color:var(--ink)}
.rqr-s{font-size:12px;color:var(--ink-3);margin:5px 0 10px;line-height:1.6}
.slurl{display:inline-block;max-width:250px;overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap;vertical-align:bottom;font-family:ui-monospace,Consolas,monospace;
  font-weight:600;color:var(--primary);cursor:pointer}
.slurl:hover{text-decoration:underline}
.qr-orig{font-size:12px;color:var(--ink-2);word-break:break-all;background:#F8FAFC;
  border:1px solid var(--line);padding:7px 10px;border-radius:8px;margin-top:6px;text-align:left}
@media(max-width:560px){.rqr{flex-direction:column;align-items:flex-start}.rqr-img{width:100%;height:auto}}