:root {
    --bg: #f2f4f7;
    --card: #ffffff;
    --border: #e1e6ec;
    --text: #2f3542;
    --muted: #8a94a1;
    --primary: #3b6ea5;
    --primary-dark: #315c8c;
    --primary-light: #eaf1f8;
    --danger: #c0392b;
    --danger-light: #fbeceb;
    --success: #2e8b57;
    --success-light: #eaf6ef;
    --warn: #b8860b;
    --warn-light: #fdf3e1;
    --radius: 0;
    --shadow: 0 1px 4px rgba(30, 41, 59, .06);
    --shadow-md: 0 4px 14px rgba(30, 41, 59, .08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 13px; }
.muted { color: var(--muted); }
.text-break { word-break: break-all; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

.site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.header-flex { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 56px; }
.brand { font-size: 17px; font-weight: 700; color: var(--primary); white-space: nowrap; }
.main-nav a { color: var(--text); }
.main-nav a:hover { background: var(--primary-light); }
.main-nav a.active { background: var(--primary); color: #fff; }
.main-nav a.nav-logout { color: var(--danger); }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius:0; padding: 6px 12px; font-size: 18px; cursor: pointer; }
.drawer-mask { display: none; }
.nav-ico { display: inline-flex; width: 20px; height: 20px; flex: none; }
.nav-label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-ico svg { width: 100%; height: 100%; }

@keyframes navLabelShow {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (min-width: 761px) {
    .site-header { display: contents; }
    .site-header .brand { display: none; }
    .site-header .header-flex { min-height: 0; }
    .site-footer { display: none; }
    .site-wrap { padding-left: 210px; min-height: 100vh; transition: padding-left .2s ease; }
    .main-nav {
        display: flex; flex-direction: column; align-items: stretch; gap: 2px;
        position: fixed; top: 0; left: 0; bottom: 0;
        width: 210px;
        background: #fff; border-right: 1px solid var(--border);
        padding: 14px 10px 24px; overflow-y: auto;
        -webkit-overflow-scrolling: touch; overscroll-behavior: contain;
        z-index: 99; transition: width .2s ease, padding .2s ease;
    }
    .main-nav a { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border-radius: 0; }

    .nav-collapse {
        margin-top: auto;
        display: flex; align-items: center; gap: 10px;
        padding: 11px 12px; border: 1px solid var(--border); background: none;
        color: var(--text); font: inherit; cursor: pointer;
    }
    .nav-collapse:hover { background: var(--primary-light); }
    .nav-collapse-ico { display: inline-flex; width: 20px; height: 20px; flex: none; }
    .nav-collapse-ico svg { width: 100%; height: 100%; }

    body.sidebar-collapsed .site-wrap { padding-left: 60px; }
    body.sidebar-collapsed .main-nav { width: 60px; padding: 14px 8px 24px; }
    body.sidebar-collapsed .main-nav a { gap: 0; position: relative; }
    body.sidebar-collapsed .badge-dot { position: absolute; top: 9px; right: 13px; margin: 0; }
    body.sidebar-collapsed .nav-label { display: none; }
    body.sidebar-collapsed .nav-collapse { gap: 0; }
    body.sidebar-collapsed .nav-collapse-ico svg { transform: rotate(180deg); }
    body:not(.sidebar-collapsed) .main-nav .nav-label { animation: navLabelShow .18s ease .12s both; }
}

.notice-bar { background: var(--primary-light); border-bottom: 1px solid var(--border); padding: 8px 0; font-size: 13px; }
.notice-bar .notice-close { float: right; border: none; background: none; color: inherit; cursor: pointer; font-size: 16px; padding: 0 4px; }

.main { padding: 24px 0 48px; min-height: 60vh; }
.card { background: var(--card); border: 1px solid var(--border); border-radius:0; box-shadow: var(--shadow); margin-bottom: 18px; }
.card-body { padding: 18px 20px; }
.page-title { font-size: 18px; margin: 0 0 14px; font-weight: 600; }
.page-title-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.gap { gap: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

.btn { display: inline-block; padding: 8px 16px; border-radius:0; border: 1px solid var(--border); background: #fff; color: var(--text); font-size: 14px; cursor: pointer; transition: background .15s, color .15s, border-color .15s; vertical-align: middle; text-align: center; }
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline { background: transparent; }
.btn-outline-danger { color: var(--danger); border-color: #e4b9b5; }
.btn-outline-danger:hover { background: var(--danger-light); border-color: var(--danger); color: var(--danger); }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-block { width: 100%; }
.btn:disabled, .btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; color: #4a5568; }
.form input[type=text], .form input[type=email], .form input[type=password], .form input[type=number], .form select, .form textarea,
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
    width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius:0; font-size: 14px; font-family: inherit; background: #fff; color: var(--text); transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59, 110, 165, .12); }
textarea { resize: vertical; min-height: 90px; }
.input-group { display: flex; gap: 8px; }
.input-group input { flex: 1; min-width: 0; }
.input-group .btn { white-space: nowrap; }
.form-help { margin-top: 10px; font-size: 13px; color: var(--muted); }
.filter-bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.filter-bar input, .filter-bar select { max-width: 300px; }
label[for] { cursor: pointer; }

.table-scroll { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table th, .table td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; vertical-align: top; }
.table th { background: #f7f9fb; font-weight: 600; white-space: nowrap; }
.table tr:hover td { background: #fafbfd; }
.table.kv td:first-child { width: 160px; color: var(--muted); font-weight: 500; }

.badge { display: inline-block; padding: 2px 8px; border-radius:0; font-size: 12px; line-height: 1.6; }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-info { background: var(--primary-light); color: var(--primary); }
.badge-warn { background: var(--warn-light); color: var(--warn); }

.stat-grid { display: grid; gap: 14px; margin-bottom: 18px; }
@media (max-width: 760px) { }
.stat-box { background: var(--card); border: 1px solid var(--border); border-radius:0; padding: 16px; box-shadow: var(--shadow); }
.stat-box.good .stat-num { color: var(--success); }
.stat-box.bad .stat-num { color: var(--danger); }
.stat-num { font-size: 26px; font-weight: 700; }
.stat-label { color: var(--muted); font-size: 13px; margin-top: 2px; }

.alert { padding: 10px 14px; border-radius:0; margin-bottom: 12px; font-size: 13.5px; }
.alert-warning { background: var(--warn-light); color: var(--warn); border: 1px solid #ecd9a8; }
.alert-danger { background: var(--danger-light); color: var(--danger); border: 1px solid #f0c9c4; }
.alert-success { background: var(--success-light); color: var(--success); border: 1px solid #bfe3cf; }

.modal-mask { position: fixed; inset: 0; background: rgba(30, 41, 59, .45); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 16px; }
.modal { background: #fff; border-radius:0; width: 100%; max-width: 460px; box-shadow: var(--shadow-md); max-height: 88vh; overflow: auto; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-close { border: none; background: none; font-size: 22px; cursor: pointer; color: var(--muted); }
.modal-body { padding: 16px 18px; }
.modal-foot { padding: 12px 18px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }
.msg { max-width: 86%; padding: 10px 14px; border-radius:0; font-size: 14px; }
.msg-user { align-self: flex-end; background: var(--primary); color: #fff; border-bottom-right-radius: 0px; }
.msg-ai { align-self: flex-start; background: #fff; border: 1px solid var(--border); border-bottom-left-radius: 0px; }
.msg-body { white-space: pre-wrap; word-break: break-word; }
.typing { color: var(--muted); font-style: italic; }

.typing-dots { display: inline-flex; align-items: center; gap: 5px; padding: 4px 2px; }
.typing-dots span { width: 7px; height: 7px; border-radius:0; background: #9aa3af; display: inline-block; animation: typing-bounce 1.2s ease-in-out infinite; }
.typing-dots span:nth-child(2) { animation-delay: .15s; }
.typing-dots span:nth-child(3) { animation-delay: .3s; }
@keyframes typing-bounce { 0%, 60%, 100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-4px); opacity: 1; } }

.typing-cursor { display: inline-block; width: 2px; height: 1em; margin-left: 2px; vertical-align: -1px; background: var(--primary); animation: cursor-blink .8s steps(1) infinite; }
@keyframes cursor-blink { 50% { opacity: 0; } }

.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.auth-card { max-width: 420px; width: 100%; }
.auth-title { text-align: center; font-size: 22px; margin: 0 0 4px; }

.site-footer { border-top: 1px solid var(--border); background: #fff; padding: 14px 0; color: var(--muted); font-size: 13px; }
.footer-flex { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }

.faq-item { margin-bottom: 12px; }
.faq-item strong { display: block; }
.faq-item p { margin: 4px 0 0; color: #4a5563; }

@media (max-width: 760px) {
    .header-flex { flex-wrap: wrap; }
    .nav-toggle { display: inline-block; }
    body.drawer-open { overflow: hidden; }
    .drawer-mask { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 98; }
    .drawer-mask.show { display: block; }
    .main-nav {
        display: flex; flex-direction: column; align-items: stretch; gap: 2px;
        position: fixed; top: 0; right: 0; bottom: 0;
        width: 210px;
        background: #fff; box-shadow: -4px 0 14px rgba(0,0,0,.12);
        padding: 14px 10px 32px; overflow-y: auto;
        -webkit-overflow-scrolling: touch; overscroll-behavior: contain;
        z-index: 99; transform: translateX(105%);
        transition: transform .25s ease;
    }
    .main-nav.open { transform: translateX(0); }
    .main-nav a { display: flex; align-items: center; gap: 10px; padding: 11px 12px; }
    .nav-ico { display: inline-flex; width: 20px; height: 20px; flex: none; }
    .nav-ico svg { width: 100%; height: 100%; }
    .nav-collapse { display: none; }
    .btn { padding: 10px 16px; }
    .btn-sm { padding: 6px 10px; }
    .card-body { padding: 14px; }
    .msg { max-width: 95%; }
}

.badge-dot { display: inline-block; width: 8px; height: 8px; border-radius:0; background: var(--danger); margin-left: 6px; vertical-align: 2px; }
.notice-item { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 13px; }
.notice-tag { font-weight: 600; margin-right: 4px; }
.notice-bar .notice-close { float: none; margin-left: auto; }

.announce-item { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 10px 0; border-bottom: 1px dashed var(--border); }
.announce-item:last-child { border-bottom: none; }
.announce-link { font-weight: 500; }
.announce-item.unread { background: linear-gradient(90deg, var(--primary-light), transparent); padding-left: 8px; }
.content-body { line-height: 1.8; }

.input-suffix { display: inline-flex; align-items: center; padding: 0 12px; background: #f4f6f8; border: 1px solid var(--border); border-left: none; border-radius:0; color: var(--muted); white-space: nowrap; font-size: 13px; }

.form-inline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.form-inline input { flex: 1; min-width: 220px; }

.copy-btn { padding: 3px 10px; font-size: 12px; }

.dns-row { padding: 7px 0; border-bottom: 1px dashed var(--border); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.dns-row:last-child { border-bottom: none; }

.ai-card { max-width: 820px; }
.ai-chat { height: 460px; overflow-y: auto; padding: 14px; background: #fafbfd; border: 1px solid var(--border); border-radius:0; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 86%; padding: 10px 14px; border-radius:0; font-size: 14px; }
.msg-user { align-self: flex-end; background: var(--primary); color: #fff; border-bottom-right-radius: 0px; }
.msg-ai { align-self: flex-start; background: #fff; border: 1px solid var(--border); border-bottom-left-radius: 0px; }
.msg-body { white-space: pre-wrap; word-break: break-word; }
.ai-input { display: flex; gap: 10px; margin-top: 14px; }
.ai-input input { flex: 1; }
.ai-input .btn { white-space: nowrap; }

.ai-card-box { margin-top: 12px; background: #f6f9fc; border: 1px solid #d7e3f0; border-radius:0; padding: 12px 14px; font-size: 13px; }
.ai-card-head { font-weight: 600; color: var(--primary); margin-bottom: 6px; }
.ai-card-row { margin-top: 4px; }
.ai-status { display: inline-block; padding: 1px 8px; border-radius:0; font-size: 12px; }
.ai-status-success { background: var(--success-light); color: var(--success); }
.ai-status-blocked { background: var(--danger-light); color: var(--danger); }
.ai-status-pending { background: var(--warn-light); color: var(--warn); }

@media (max-width: 760px) {
    .modal { max-width: 94vw; }
    .ai-chat { height: 62vh; }
    .msg { max-width: 96%; }
}

.secai { border: 1px solid var(--border); background: linear-gradient(180deg, #fbfcfe, #f6f8fb); border-radius: var(--radius); padding: 12px 12px 10px; margin: 0 0 14px; transition: border-color .25s, box-shadow .25s; }
.secai[data-state="run"] { border-color: #c6d7ea; box-shadow: 0 0 0 2px rgba(59, 110, 165, .06); }
.secai[data-state="ok"] { border-color: #b9ddc8; background: linear-gradient(180deg, #f7fdf9, #eef8f2); }
.secai[data-state="warn"] { border-color: #ecd9ae; background: linear-gradient(180deg, #fffdf6, #fdf5e6); }
.secai[data-state="block"] { border-color: #e6c0bc; background: linear-gradient(180deg, #fffafa, #fbeeec); }
.secai-head { display: flex; align-items: center; gap: 10px; }
.secai-shield { width: 30px; height: 30px; flex: 0 0 30px; display: flex; align-items: center; justify-content: center; color: var(--primary); background: #fff; border: 1px solid var(--border); border-radius: 50%; }
.secai[data-state="ok"] .secai-shield { color: var(--success); border-color: #cbe6d6; }
.secai[data-state="block"] .secai-shield { color: var(--danger); border-color: #eed3cf; }
.secai[data-state="warn"] .secai-shield { color: var(--warn); border-color: #eedfbd; }
.secai-tick { opacity: 0; stroke-dasharray: 14; stroke-dashoffset: 14; transition: opacity .3s, stroke-dashoffset .4s; }
.secai[data-state="ok"] .secai-tick { opacity: 1; stroke-dashoffset: 0; }
.secai-title { flex: 1 1 auto; min-width: 0; }
.secai-name { font-size: 13px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 6px; }
.secai-desc { font-size: 12px; color: var(--muted); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.secai-spin { width: 16px; height: 16px; border: 2px solid #d7e2ee; border-top-color: var(--primary); border-radius: 50%; animation: secai-spin .8s linear infinite; flex: 0 0 16px; }
.secai[data-state="ok"] .secai-spin, .secai[data-state="block"] .secai-spin, .secai[data-state="warn"] .secai-spin { display: none; }
@keyframes secai-spin { to { transform: rotate(360deg); } }
.secai-badge { font-size: 11px; padding: 1px 7px; border-radius: 3px; background: var(--success-light); color: var(--success); flex: 0 0 auto; }
.secai[data-state="block"] .secai-badge { background: var(--danger-light); color: var(--danger); }
.secai[data-state="warn"] .secai-badge { background: var(--warn-light); color: var(--warn); }
.secai-bar { height: 3px; background: #e8edf3; border-radius: 2px; overflow: hidden; margin: 10px 0 9px; }
.secai-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #6d9bc9, var(--primary)); transition: width .45s ease; }
.secai[data-state="ok"] .secai-bar i { background: linear-gradient(90deg, #6ec295, var(--success)); }
.secai[data-state="block"] .secai-bar i { background: linear-gradient(90deg, #d98b80, var(--danger)); }
.secai[data-state="warn"] .secai-bar i { background: linear-gradient(90deg, #dcb96a, var(--warn)); }
.secai-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 4px 10px; }
.secai-steps li { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; min-width: 0; }
.secai-steps li b { width: 12px; height: 12px; flex: 0 0 12px; border: 1px solid #ccd7e3; border-radius: 50%; background: #fff; position: relative; }
.secai-steps li.active { color: var(--primary); }
.secai-steps li.active b { border-color: var(--primary); border-top-color: transparent; animation: secai-spin .8s linear infinite; }
.secai-steps li.done { color: var(--text); }
.secai-steps li.done b { background: var(--success); border-color: var(--success); }
.secai-steps li.done b::after { content: ""; position: absolute; left: 3px; top: 1px; width: 4px; height: 7px; border: solid #fff; border-width: 0 1.5px 1.5px 0; transform: rotate(42deg); }
.secai-steps li.fail { color: var(--danger); }
.secai-steps li.fail b { background: var(--danger); border-color: var(--danger); }
.secai-steps li.fail b::after { content: ""; position: absolute; left: 3px; top: 5px; width: 5px; height: 1.5px; background: #fff; transform: rotate(45deg); }
.secai-foot { margin-top: 9px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.secai-note { font-size: 11px; color: var(--muted); line-height: 1.5; }
.secai-retry { font-size: 11px; color: var(--primary); background: none; border: none; padding: 0; cursor: pointer; text-decoration: underline; }
.secai-retry:hover { color: var(--primary-dark); }
@media (max-width: 420px) {
    .secai-steps { grid-template-columns: 1fr; }
    .secai-note { font-size: 10.5px; }
}

@media (max-width: 760px) {
    .site-footer { display: none; }
}