*{box-sizing:border-box}
body{font-family:-apple-system,"Segoe UI",Roboto,"PingFang SC",sans-serif;background:#f4f6f8;margin:0;color:#222;font-size:14px}
nav{background:#165DFF;color:#fff;padding:10px 20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
nav a{color:#fff;text-decoration:none}
nav a:hover{text-decoration:underline}
.nav-right{font-size:13px;opacity:.95}
.box{max-width:900px;margin:30px auto;background:#fff;padding:24px;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.box.wide{max-width:1320px}
h1{margin:0 0 16px;font-size:22px}
h2{font-size:17px;margin:28px 0 10px}
h3{font-size:15px;margin:22px 0 8px;color:#4E5969}
label{display:block;margin:10px 0;font-size:13px}
input{padding:8px;border:1px solid #dcdfe6;border-radius:4px;font-size:13px;font-family:inherit}
input:focus{outline:none;border-color:#165DFF}
button{padding:8px 16px;background:#165DFF;color:#fff;border:0;border-radius:4px;cursor:pointer;font-size:13px;font-family:inherit}
button:hover{opacity:.9}
button.danger{background:#e74c3c}
button.small{padding:4px 10px;font-size:12px}
.btn{display:inline-block;padding:5px 10px;background:#165DFF;color:#fff;border-radius:4px;text-decoration:none;font-size:12px}
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:13px}
td,th{border-bottom:1px solid #eee;padding:8px;text-align:left;vertical-align:middle}
th{background:#fafbfc;font-weight:600;color:#4E5969}
tr.banned td{opacity:.55}
.err{background:#fdecea;color:#c0392b;padding:10px;border-radius:4px;margin:10px 0}
.ok{background:#eafaf1;color:#18794e;padding:10px;border-radius:4px;margin:10px 0}
.inline{display:flex;gap:8px;align-items:center;margin:12px 0;flex-wrap:wrap}
.inline.mini{margin:2px 0;display:inline-flex;gap:4px}
.muted{color:#86909c;font-size:12px}
a{color:#165DFF}
.stat-row,.stats{display:flex;gap:16px;margin:16px 0;flex-wrap:wrap}
.stat{background:#f7f9fc;border-radius:8px;padding:14px 22px;min-width:110px}
.stat b{display:block;font-size:22px;color:#165DFF}
.stat span{font-size:12px;color:#86909c}
.tag{display:inline-block;padding:1px 7px;border-radius:10px;font-size:11px}
.tag.red{background:#fdecea;color:#c0392b}
.tag.blue{background:#e8f1ff;color:#165DFF}
.tag.gray{background:#f2f3f5;color:#86909c}
/* 悬浮客服图标 */
.support-fab{position:fixed;right:24px;bottom:24px;z-index:9999;width:54px;height:54px;border-radius:50%;border:2px solid rgba(255,255,255,.6);
  background:linear-gradient(135deg,#165DFF,#36CFC9);box-shadow:0 8px 22px rgba(22,93,255,.4);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .18s,box-shadow .18s;text-decoration:none}
.support-fab svg{width:26px;height:26px;fill:#fff}
.support-fab:hover{transform:scale(1.08);box-shadow:0 10px 26px rgba(22,93,255,.55)}
.support-fab.disabled{background:linear-gradient(135deg,#a9b6c9,#c8d2e0);box-shadow:0 8px 18px rgba(0,0,0,.12)}
@media (max-width:640px){.support-fab{right:16px;bottom:16px;width:48px;height:48px}.support-fab svg{width:23px;height:23px}}
/* 品牌标识 */
.brandbar{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:#0A1020;margin-bottom:20px}
.brandbar .mark{width:36px;height:36px;border-radius:9px;background:linear-gradient(135deg,#165DFF,#36CFC9);display:flex;align-items:center;justify-content:center;flex:none}
.brandbar .mark svg{width:23px;height:23px}