:root{--blue:#174cff;--blue2:#0f3bd6;--ink:#101828;--text:#344054;--muted:#667085;--line:#e5eaf3;--soft:#f4f7fb;--side:#fff;--card:#fff;--shadow:0 8px 24px rgba(16,24,40,.08)}
*{box-sizing:border-box}
body{margin:0;color:var(--ink);background:#f5f7fb;font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit}
button{cursor:pointer}
button:disabled{opacity:.5;cursor:wait}
a:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
[hidden]{display:none!important}
.shell{min-height:100vh;display:grid;grid-template-columns:236px minmax(0,1fr)}
.sidebar{background:var(--side);border-right:1px solid #dfe5ee;position:sticky;top:0;height:100vh;padding:18px 0;overflow:auto}
.brand{height:54px;display:flex;align-items:center;padding:0 20px 18px;border-bottom:1px solid #eef2f7}
.brand img{display:block;width:190px;height:auto;max-width:100%}
.menu{padding:12px 0}
.menu-group{margin:2px 0}
.menu-head{width:100%;height:48px;display:flex;align-items:center;gap:10px;padding:0 18px;color:#202f46;font-weight:700;text-align:left}
.menu-head span:first-child{width:18px;text-align:center;color:#8a96a8}
.menu-head:hover,.menu-head.active{background:#eaf2ff;color:var(--blue)}
.submenu{display:grid;gap:2px;padding:4px 0 8px}
.submenu a{height:36px;display:flex;align-items:center;border-radius:12px;margin-left:30px;padding:0 12px;color:#667085}
.submenu a:hover{background:#f6f9ff;color:var(--mc-blue,var(--blue));font-weight:900}
.main{min-width:0}
.topbar{height:62px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 36px;position:sticky;top:0;z-index:5}
.top-title{display:flex;align-items:center;font-weight:800}
.top-actions{display:flex;gap:10px;align-items:center}
.btn{border:0;border-radius:4px;background:var(--blue);color:#fff;min-height:40px;padding:0 18px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}
.btn.secondary{background:#eef4ff;color:var(--blue)}
.btn.ghost{background:#fff;color:#344054;border:1px solid #d7deea}
.content{padding:20px}
.manager-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}
.manager-header h1{font-size:22px;line-height:1.5;margin:0 0 6px;font-weight:800}
.manager-header p{margin:0}
.card{background:var(--card);border:1px solid #e1e7f0;border-radius:4px;box-shadow:var(--shadow)}
.card-head{min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid #e8edf5;padding:12px 20px;color:#667085;font-size:16px}
.card-head h2{margin:0;color:#475467;font-size:16px;font-weight:800}
.card-body{padding:20px}
.notice{background:#eef4ff;border:1px solid #cfe0ff;border-radius:4px;padding:14px 18px;color:#174ea6;font-size:14px;line-height:1.8}
.muted{color:var(--muted);font-size:13px;line-height:1.8}
.status-box{color:var(--muted);font-size:13px;line-height:1.8;white-space:pre-line;overflow-wrap:anywhere;margin:12px 0 18px}
.status-box:empty{display:none}
.status-box.error{color:#b42318;background:#fff5f5;border:1px solid #ffd7d7;padding:12px 16px;border-radius:12px}
.settings-tabs{display:flex;gap:24px;overflow:auto;border-bottom:1px solid var(--line);margin:0 0 18px;padding:0 4px}
.settings-tabs button{position:relative;flex-shrink:0;border:0;border-bottom:3px solid transparent;background:transparent;padding:12px 4px 14px;color:var(--muted);font-size:14px;white-space:nowrap}
.settings-tabs button[aria-selected=true]{border-bottom-color:var(--mc-blue,var(--blue));color:var(--mc-blue,var(--blue));font-weight:800}
.settings-tabs button:hover{color:var(--mc-blue,var(--blue))}
.form-section{border:0;min-width:0;margin:0 0 24px;padding:0 0 24px;border-bottom:1px solid #edf1f7}
.form-section:last-of-type{margin-bottom:0;border-bottom:0}
.form-section legend{width:100%;padding:0;margin-bottom:18px;font-size:14px;font-weight:800;color:#344054;line-height:1.8}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px}
.wide{grid-column:1/-1}
.manager label{display:grid;gap:8px;min-width:0;font-size:14px;color:var(--text);line-height:1.6}
.manager input,.manager textarea{width:100%;min-width:0;min-height:44px;padding:11px 14px;background:#fff;color:var(--ink);border:1px solid #d7deea;border-radius:14px;outline:0}
.manager input:focus,.manager textarea:focus{border-color:#91b5ff;box-shadow:0 0 0 4px rgba(21,94,239,.10)}
.manager textarea{resize:vertical;line-height:1.7}
.manager input::placeholder,.manager textarea::placeholder{color:#98a2b3}
.logo-upload{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;padding:18px;background:#f8fafc;border:1px solid #edf1f7;border-radius:16px}
.manager input[type=file]{border:0;padding:0;background:transparent;border-radius:4px;min-height:36px;font-size:13px}
.manager input[type=file]::file-selector-button{height:36px;margin-right:12px;padding:0 14px;border:1px solid #d7deea;border-radius:10px;background:#fff;color:#344054;font:inherit;cursor:pointer}
.logo-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.logo-preview{width:auto;max-width:180px;height:64px;padding:8px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:12px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.form-actions{border-top:1px solid #edf1f7;padding-top:22px;margin-top:0}
.domain-section+.domain-section{border-top:1px solid #edf1f7;padding-top:24px;margin-top:24px}
.domain-section h3{font-size:14px;margin:0 0 12px;color:#344054}
.domain-section>.muted{margin:0 0 14px}
.dns-record{margin:14px 0;padding:14px 16px;border:1px solid #e5eaf3;border-radius:14px;background:#f8fafc;color:#344054;white-space:pre-line;overflow-wrap:anywhere;font-family:Consolas,monospace;font-size:13px;line-height:1.8}
.domain-help{border-top:1px solid #edf1f7;padding-top:18px;margin:24px 0 0}
.manager iframe{display:block;width:100%;height:650px;border:1px solid var(--line);border-radius:14px;margin-top:18px;background:#fff}
.mobile-menu{display:none}
@media(max-width:1100px){.logo-upload{grid-template-columns:minmax(0,1fr)}.logo-actions{justify-content:flex-start}}
@media(max-width:980px){.shell{grid-template-columns:minmax(0,1fr)}.sidebar{position:relative;height:auto}.menu{display:none}.brand{border-bottom:0}.mobile-menu{display:flex;gap:8px;overflow:auto;padding:10px 4px;border-bottom:1px solid var(--line)}.mobile-menu a{flex-shrink:0;border:1px solid #d7deea;border-radius:999px;padding:8px 14px;color:#344054;font-size:14px;white-space:nowrap}.mobile-menu a.active{background:#eef4ff;color:var(--blue);border-color:#b9ceff;font-weight:900}.topbar{padding:0 16px;gap:10px}.content{padding:14px}.sidebar{padding-bottom:0}.manager-header{margin-bottom:16px}}
@media(max-width:640px){.top-actions{gap:8px!important}.top-actions .btn{padding:0 12px!important;font-size:13px}.manager-header h1{font-size:20px}.manager-header>.btn{padding:0 12px!important;font-size:13px;flex-shrink:0}.form-grid{grid-template-columns:minmax(0,1fr)}.settings-tabs{gap:20px}.logo-upload{padding:14px}.card-body{padding:18px!important}.form-section{margin-bottom:20px;padding-bottom:20px}.form-actions .btn{flex:1;padding:0 10px!important;font-size:13px}.card-head{padding:12px 18px!important}.manager iframe{height:580px}}