:root{
  --bg:#f5f7fa; --panel:#ffffff; --line:#e8ecf1; --line-2:#f0f3f7;
  --text:#1b2230; --muted:#79839a; --muted-2:#9aa4b8;
  --brand:#2f6fed; --brand-soft:#eef4ff; --brand-deep:#1e4fd0;
  --up:#e0322f; --down:#0f9d58; --warn:#d97706; --warn-soft:#fff7e6;
  --ok:#0f9d58; --ok-soft:#eaf7ef; --bad:#e0322f; --bad-soft:#fdeeed;
  --radius:12px; --shadow:0 1px 2px rgba(16,24,40,.04),0 4px 12px rgba(16,24,40,.04);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  background:var(--bg); color:var(--text); font-size:13.5px; -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
.shell{display:flex;min-height:100vh}

/* 侧栏 */
.side{
  width:212px;flex:0 0 212px;background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.brand{display:flex;align-items:center;gap:10px;padding:18px 16px 14px}
.logo{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,#2f6fed,#5a8cff);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px}
.brand-name{font-weight:700;font-size:14px;letter-spacing:.2px}
.brand-sub{font-size:11px;color:var(--muted-2);margin-top:2px}
.nav{flex:1;overflow:auto;padding:4px 10px 12px}
.nav-group{font-size:11px;color:var(--muted-2);padding:14px 10px 6px;letter-spacing:.4px}
.nav-item{display:block;padding:8px 10px;border-radius:8px;color:#4a5468;font-size:13px;margin-bottom:1px}
.nav-item:hover{background:#f4f7fc;text-decoration:none}
.nav-item.on{background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.side-foot{border-top:1px solid var(--line);padding:10px 16px;font-size:11px;color:var(--muted-2);
  display:flex;align-items:center;gap:6px;justify-content:space-between}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);display:inline-block}

/* 主区 */
.main{flex:1;min-width:0;padding:22px 26px 40px}
.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:16px}
h1{font-size:20px;font-weight:700;margin:0;letter-spacing:-.2px}
.sub{margin:5px 0 0;color:var(--muted);font-size:12.5px}
.top-actions{display:flex;gap:8px;align-items:center}
h2{font-size:15px;margin:24px 0 10px;font-weight:650}

/* 卡片/表格 */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:16px 18px;margin-bottom:16px}
.card.tight{padding:0;overflow:hidden}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g3,.g2{grid-template-columns:1fr}}

.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}
.kpi .k{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.kpi .v{font-size:25px;font-weight:700;margin-top:8px;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.kpi .f{font-size:11.5px;color:var(--muted-2);margin-top:6px}
.kpi .v.up{color:var(--up)} .kpi .v.down{color:var(--down)}

table{width:100%;border-collapse:collapse;font-size:13px;background:#fff}
th{background:#fafbfd;color:#66708a;font-weight:600;font-size:11.5px;text-align:left;
  padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 12px;border-bottom:1px solid var(--line-2);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafcff}
.num{font-variant-numeric:tabular-nums}
.up{color:var(--up)} .down{color:var(--down)}
.muted{color:var(--muted)} .tiny{font-size:11.5px;color:var(--muted-2)}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}

/* 徽标 */
.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:999px;
  font-size:11.5px;font-weight:600;background:#f2f4f8;color:#59627a;white-space:nowrap}
.tag.ok{background:var(--ok-soft);color:var(--ok)}
.tag.bad{background:var(--bad-soft);color:var(--bad)}
.tag.warn{background:var(--warn-soft);color:var(--warn)}
.tag.brand{background:var(--brand-soft);color:var(--brand-deep)}
.tag.gray{background:#f2f4f8;color:#8a93a8}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:8px;
  border:1px solid var(--line);background:#fff;color:#3a4356;font-size:12.5px;font-weight:550;
  cursor:pointer;transition:.15s}
.btn:hover{border-color:#cfd8e6;background:#fafbfe;text-decoration:none}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-deep)}
.btn.ghost{background:transparent}
.btn.sm{padding:5px 10px;font-size:12px}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn[disabled]{opacity:.55;cursor:not-allowed}

/* 表单 */
label.f{display:block;font-size:12px;color:var(--muted);margin:0 0 6px}
input[type=text],input[type=password],input[type=number],input[type=date],select,textarea{
  width:100%;padding:8px 10px;border:1px solid #dfe5ee;border-radius:8px;font-size:13px;
  background:#fff;color:var(--text);transition:.15s;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(47,111,237,.12)}
input[readonly]{background:#f7f9fc;color:#6b7590}
.field{margin-bottom:14px}
.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.row3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.hint{font-size:11.5px;color:var(--muted-2);margin-top:5px;line-height:1.6}
.form-actions{display:flex;gap:10px;margin-top:18px}

/* 筛选条 */
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;margin-bottom:14px}
.filters .fi{min-width:130px}
.filters .fi label{display:block;font-size:11px;color:var(--muted-2);margin-bottom:4px}
.filters input,.filters select{min-width:130px}

/* 提示 */
.flashes{margin-bottom:14px}
.flash{padding:9px 12px;border-radius:8px;font-size:12.5px;margin-bottom:8px}
.flash.ok{background:var(--ok-soft);color:#0b6b3d;border:1px solid #cfeddb}
.flash.err{background:var(--bad-soft);color:#9f1d1a;border:1px solid #f6d3d2}

/* 分页 */
.pager{display:flex;gap:6px;align-items:center;padding:12px 14px;border-top:1px solid var(--line)}
.pager a,.pager span{padding:4px 10px;border:1px solid var(--line);border-radius:7px;font-size:12px;background:#fff}
.pager .cur{background:var(--brand);border-color:var(--brand);color:#fff}

/* 链接展示 */
.urlbox{background:#f7f9fc;border:1px solid #e3e9f3;border-radius:10px;padding:12px 14px;
  font-family:ui-monospace,Consolas,monospace;font-size:12px;word-break:break-all;line-height:1.7;color:#24314d}
.copyrow{display:flex;gap:8px;align-items:center;margin-top:8px}

/* 侧栏小卡片 */
.side-note{background:#f8faff;border:1px solid #e2ebff;border-radius:10px;padding:12px 14px;
  font-size:12px;color:#4b5b7a;line-height:1.7}

.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:
  radial-gradient(1200px 600px at 20% 10%,#eef4ff,transparent),var(--bg)}
.login-card{width:360px;background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:0 12px 40px rgba(23,43,99,.10);padding:30px 28px}
.login-card h1{font-size:19px;margin:0 0 6px}
.login-card p.sub{margin:0 0 20px}
.login-card .btn{width:100%;justify-content:center;padding:9px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:1000px){.split{grid-template-columns:1fr}}

.suggest{font-size:12px;line-height:1.5}
.suggest b{font-weight:700}
.suggest .why{color:var(--muted);font-size:11.5px;display:block;margin-top:2px}

/* ---------- 新建投放向导 ---------- */
.wiz-head{display:flex;align-items:center;gap:8px;margin-bottom:18px}
.wstep{display:flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted-2);white-space:nowrap}
.wstep b{width:22px;height:22px;border-radius:50%;background:#eef1f6;color:#8a93a8;
  display:flex;align-items:center;justify-content:center;font-size:11.5px;font-weight:700}
.wstep.on{color:var(--text)}
.wstep.on b{background:var(--brand-soft);color:var(--brand-deep)}
.wstep.cur b{background:var(--brand);color:#fff}
.wstep.cur{font-weight:650}
.wbar{flex:1;height:2px;background:var(--line);border-radius:2px}
.wbar.on{background:var(--brand)}

.wcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px 22px;margin-bottom:16px}
.wiz-actions{display:flex;gap:10px;align-items:center;justify-content:space-between;
  margin-top:22px;padding-top:16px;border-top:1px solid var(--line-2)}

.parsebox{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.chip{display:inline-flex;gap:4px;padding:4px 10px;border-radius:999px;background:var(--brand-soft);
  color:var(--brand-deep);font-size:11.5px}
.chip b{font-weight:700}

.plat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
@media(max-width:1000px){.plat-grid{grid-template-columns:repeat(2,1fr)}}
.plat-card{border:1.5px solid var(--line);border-radius:12px;padding:14px 15px;cursor:pointer;
  transition:.15s;background:#fff}
.plat-card:hover{border-color:#c3d4f7;background:#fafcff;transform:translateY(-1px)}
.plat-card.on{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 3px rgba(47,111,237,.1)}
.plat-card.hint-on{border-color:#9ec1ff;border-style:dashed}
.pc-name{font-weight:700;font-size:14px;margin-bottom:6px}
.pc-meta{font-size:11.5px;color:var(--muted);line-height:1.7}
.pc-req{margin-top:8px;font-size:11px;color:var(--warn);line-height:1.5}

.seg{display:flex;gap:8px}
.seg-i{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--line);
  border-radius:8px;font-size:12.5px;cursor:pointer;background:#fff}
.seg-i:has(input:checked){border-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep);font-weight:600}
.seg-i input{width:auto;margin:0}

.cred-head{display:flex;align-items:baseline;gap:10px;margin:20px 0 8px;padding-bottom:8px;
  border-bottom:1px solid var(--line-2)}
.cred-head b{font-size:13px}
.cred-area{display:grid;gap:8px}
.credrow{display:grid;grid-template-columns:220px 1fr;gap:10px;align-items:center}
@media(max-width:800px){.credrow{grid-template-columns:1fr}}
.credrow .ck{display:flex;align-items:center;gap:6px;font-size:12px}
.credrow .ck input[type=text]{font-size:12px}
.credrow.add{opacity:.75}

details.adv{border:1px solid var(--line);border-radius:10px;padding:10px 14px;background:#fafbfd}
details.adv summary{cursor:pointer;font-size:12.5px;color:var(--muted);font-weight:600}

.slider{display:flex;align-items:center;gap:10px}
.slider input[type=range]{flex:1;min-width:120px}
.slider input[type=number]{width:76px}
.slider span{font-size:12px;color:var(--muted)}

.summary{background:#f8faff;border:1px solid #e2ebff;border-radius:10px;padding:14px 16px;margin-top:6px}
.sum-row{display:flex;gap:12px;font-size:12.5px;padding:4px 0}
.sum-row span{width:56px;color:var(--muted-2);flex:0 0 56px}
.sum-row b{font-weight:600}

/* ---------- 空态 / 完成态 ---------- */
.empty-hero{text-align:center;padding:34px 22px;
  background:linear-gradient(180deg,#fbfcff,#fff);border:1px dashed #d7e2f5}
.dplink{display:flex;gap:8px;max-width:620px;margin:0 auto}
.dplink input{flex:1}

.done-card{border-color:#cfe9d8;background:linear-gradient(180deg,#fbfefc,#fff)}
.done-head{display:flex;gap:14px;align-items:flex-start}
.done-ico{width:38px;height:38px;border-radius:50%;background:var(--ok-soft);color:var(--ok);
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;flex:0 0 38px}

/* ---------- 列表内联 ---------- */
.rownew{background:#fffdf3 !important}
.linkrow td{background:#fafbfd}
.linkgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:1000px){.linkgrid{grid-template-columns:1fr}}

.ratio-box{display:inline-flex;align-items:center;gap:6px}
.ratio-box select{width:auto;padding:5px 8px;font-size:12px}
.ratio-box input{width:58px;padding:5px 7px;font-size:12px;text-align:right}
.ratio-box.saved{outline:2px solid #bfe6cd;border-radius:8px;background:#f2fbf5}

/* 第一步：左链接右平台 */
.step1-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:22px}
@media(max-width:1080px){.step1-grid{grid-template-columns:1fr}}
.plat-grid.mini{grid-template-columns:1fr 1fr;gap:9px}
.plat-grid.mini .plat-card{padding:10px 12px}
.plat-grid.mini .pc-name{font-size:13px;margin-bottom:3px}
.plat-grid.mini .pc-meta{font-size:11px;line-height:1.5}
.plat-grid.mini .pc-req{margin-top:5px;font-size:10.5px}

.pc-req.none{color:#9aa4b8}
.prep{margin-top:18px;background:#fafbfd;border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.prep-t{font-size:12px;font-weight:650;color:#4a5468;margin-bottom:9px}
.prep-i{font-size:11.5px;color:var(--muted);line-height:1.55;padding:5px 0;
  display:grid;grid-template-columns:16px 1fr;column-gap:8px}
.prep-i b{width:16px;height:16px;border-radius:50%;background:#eef1f6;color:#7a839a;
  font-size:10px;display:flex;align-items:center;justify-content:center;margin-top:2px}
.prep-i span{grid-column:2;color:var(--muted-2);font-size:11px}

/* ---------- 平台账户页 ---------- */
.ptabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.ptab{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:#59627a;font-size:12.5px;font-weight:550}
.ptab:hover{border-color:#cfd8e6;text-decoration:none;background:#fafbfe}
.ptab.on{background:var(--brand);border-color:var(--brand);color:#fff}
.ptab-n{min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:#f0f2f7;
  color:#7a839a;font-size:11px;display:inline-flex;align-items:center;justify-content:center}
.ptab.on .ptab-n{background:rgba(255,255,255,.25);color:#fff}
.cardhead{display:flex;align-items:baseline;gap:10px;margin-bottom:14px}
.cardhead h2{margin:0}
.tw{overflow-x:auto;margin:0 -4px}
.ta-r{text-align:right}
.btn.danger{color:var(--bad);border-color:#f0c9c9}
.btn.danger:hover{background:#fdf4f4;border-color:#e6b0b0}
.card table td .tag{margin-right:4px}
.credgroup{margin:14px 0 2px;padding:12px 14px 4px;border:1px solid var(--line);
  border-radius:12px;background:#fbfcfe}
.credgroup-t{display:flex;align-items:baseline;gap:8px;font-size:13px;font-weight:600;
  color:#3c465e;margin-bottom:8px}
.credgroup-t .tiny{font-weight:400}
.credgroup .hint{font-size:10.5px;line-height:1.5;color:#98a1b4}
ol.trace{margin:0 0 10px;padding-left:20px;font-size:12px;color:#4c566e;line-height:1.9}
ol.trace li{word-break:break-all}
.optfields{margin-top:10px;border-top:1px dashed var(--line);padding-top:8px}
.optfields>summary{cursor:pointer;font-size:11.5px;color:#98a1b4;list-style:none}
.optfields>summary::-webkit-details-marker{display:none}
.optfields>summary:before{content:"▸ ";font-size:10px}
.optfields[open]>summary:before{content:"▾ "}