:root{
    --primary:#2557d6;
    --primary-dark:#173fa8;
    --primary-soft:#eef3ff;
    --ink:#172033;
    --ink-2:#2e3a4d;
    --muted:#6f7a8a;
    --muted-2:#98a2b3;
    --line:#dfe4eb;
    --line-soft:#edf0f4;
    --bg:#f5f7fa;
    --panel:#ffffff;
    --sidebar:#f8fafc;
    --major:#b42318;
    --major-bg:#fff0ee;
    --notice:#a15c00;
    --notice-bg:#fff7e8;
    --suggest:#315f8c;
    --suggest-bg:#eef5fb;
    --success:#247a52;
    --success-bg:#edf8f2;
    --shadow:0 8px 28px rgba(16,24,40,.05);
}

*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.shell{width:min(1180px,calc(100% - 48px));margin:0 auto}
.shell-wide{width:min(1560px,calc(100% - 40px));margin:0 auto}
.inline{display:inline}
.nowrap{white-space:nowrap}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace}
.muted{color:var(--muted)}
.small{font-size:12px}

/* Public header */
.site-header{height:60px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-header-inner{height:100%;display:flex;align-items:center;justify-content:space-between}
.site-brand{display:flex;align-items:center;text-decoration:none;min-width:0}
.site-brand-name{font-size:18px;font-weight:750;letter-spacing:.01em;color:#111827}
.site-brand-divider{width:1px;height:18px;background:#d9dee6;margin:0 12px}
.site-brand-product{font-size:13px;color:#5f6b7a;font-weight:600}
.site-nav{height:100%;display:flex;align-items:center;gap:4px}
.site-nav>a,.site-nav-button{height:100%;display:flex;align-items:center;border:0;background:transparent;text-decoration:none;padding:0 14px;color:#586577;font-size:13px}
.site-nav>a:hover,.site-nav-button:hover,.site-nav>a.active{color:#172033;background:#f7f8fa}
.site-nav-cta{height:34px!important;margin-left:6px!important;background:#182033!important;color:#fff!important;padding:0 16px!important}

/* Public home */
.home-hero{background:#fff;border-bottom:1px solid var(--line);padding:76px 0 72px}
.home-hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(390px,.72fr);gap:72px;align-items:center}
.product-kicker,.page-kicker,.panel-overline,.form-panel-head>span,.section-heading>span{font-size:11px;line-height:1.2;letter-spacing:.14em;font-weight:700;color:#667085;text-transform:uppercase}
.home-hero-copy h1{font-size:52px;line-height:1.14;letter-spacing:-.035em;margin:16px 0 22px;color:#111827;font-weight:740}
.home-lead{font-size:18px;line-height:1.8;color:#667085;max-width:720px;margin:0}
.home-proof-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);margin-top:42px;padding-top:22px;gap:22px}
.home-proof-row div{padding-right:20px;border-right:1px solid var(--line-soft)}
.home-proof-row div:last-child{border-right:0}
.home-proof-row b,.home-proof-row span{display:block}
.home-proof-row b{font-size:13px;margin-bottom:5px;color:#344054}
.home-proof-row span{font-size:12px;line-height:1.55;color:#8a94a3}
.check-panel{background:#fbfcfe;border:1px solid #d9e0e9;padding:30px 30px 26px;box-shadow:var(--shadow)}
.check-panel-head{display:flex;align-items:flex-start;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:24px}
.check-panel-head h2,.auth-panel-head h2,.form-panel-head h2{font-size:24px;line-height:1.3;margin:6px 0 0;color:#172033}
.beta-tag{font-size:11px;border:1px solid #cbd3df;padding:4px 7px;color:#596579;background:#fff}
label{display:block;font-size:13px;font-weight:650;color:#344054;margin:0 0 7px}
input,textarea,select{width:100%;border:1px solid #cfd6df;border-radius:2px;background:#fff;color:#172033;padding:11px 12px;outline:none;transition:border-color .15s,box-shadow .15s}
input:focus,textarea:focus,select:focus{border-color:#7e9be9;box-shadow:0 0 0 3px rgba(37,87,214,.08)}
textarea{min-height:92px;resize:vertical}
.primary{display:inline-flex;justify-content:center;align-items:center;min-height:40px;border:1px solid var(--primary);border-radius:2px;background:var(--primary);color:#fff;padding:9px 17px;font-weight:650;font-size:13px;text-decoration:none;transition:.15s}
.primary:hover{background:var(--primary-dark);border-color:var(--primary-dark)}
.wide{width:100%;margin-top:16px}
.error{margin-top:8px;color:var(--major);font-size:12px}
.panel-note{border-top:1px solid var(--line);margin-top:22px;padding-top:16px;color:#7b8695;font-size:12px;line-height:1.65}
.home-capabilities{padding:68px 0 86px;background:var(--bg)}
.section-heading{max-width:720px;margin-bottom:28px}
.section-heading h2{font-size:30px;line-height:1.3;letter-spacing:-.02em;margin:8px 0 10px}
.section-heading p{margin:0;color:#6f7a8a;font-size:14px}
.capability-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line)}
.capability-item{padding:26px 24px 28px;border-right:1px solid var(--line);min-height:190px}
.capability-item:last-child{border-right:0}
.capability-index{font-size:11px;color:#98a2b3;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.capability-item h3{font-size:16px;margin:34px 0 8px}
.capability-item p{font-size:13px;color:#758091;margin:0;line-height:1.7}
.site-footer{background:#fff;border-top:1px solid var(--line);color:#8a94a3;font-size:12px}
.site-footer-inner{height:66px;display:flex;align-items:center;justify-content:space-between}

/* Auth */
.auth-shell{min-height:calc(100vh - 127px);display:grid;grid-template-columns:1fr 460px;gap:90px;align-items:center;padding-top:54px;padding-bottom:64px}
.auth-intro{max-width:600px}
.auth-intro h1{font-size:42px;line-height:1.24;letter-spacing:-.025em;margin:14px 0 16px}
.auth-intro p{font-size:16px;color:#6f7a8a;max-width:520px}
.auth-panel{background:#fff;border:1px solid var(--line);padding:30px;box-shadow:var(--shadow)}
.auth-panel-head{border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:22px}
.auth-panel input{margin-bottom:15px}
.remember{font-weight:400;display:flex;align-items:center;gap:8px;margin-top:2px;color:#667085}
.remember input{width:auto;margin:0}
.auth-switch{margin-top:20px;border-top:1px solid var(--line);padding-top:16px;font-size:12px;color:#7a8493}
.auth-switch a{color:var(--primary);text-decoration:none;font-weight:600}

/* Console shell - Shijian GEO style */
.console-page{background:#f4f6f8}
.console-frame{min-height:100vh;display:grid;grid-template-columns:238px minmax(0,1fr)}
.console-sidebar{position:fixed;inset:0 auto 0 0;width:238px;background:var(--sidebar);border-right:1px solid #dfe4ea;display:flex;flex-direction:column;z-index:60}
.console-brand{height:62px;border-bottom:1px solid #e1e6ec;display:flex;align-items:center;padding:0 20px;gap:10px}
.console-brand-main{font-size:17px;font-weight:750;text-decoration:none;color:#161e2e}
.console-brand-product{font-size:12px;color:#667085;border-left:1px solid #d7dce3;padding-left:10px}
.console-context{font-size:11px;color:#98a2b3;padding:20px 20px 8px;letter-spacing:.08em}
.console-nav{padding:0 10px;overflow:auto}
.nav-group{padding:10px 0 14px;border-bottom:1px solid #e7ebf0}
.nav-group:last-child{border-bottom:0}
.nav-label{font-size:10px;font-weight:700;color:#9aa4b2;letter-spacing:.12em;text-transform:uppercase;padding:0 10px 7px}
.console-nav a,.nav-disabled{min-height:38px;padding:0 10px;display:flex;align-items:center;gap:10px;color:#536071;text-decoration:none;font-size:13px;border-left:2px solid transparent;position:relative}
.console-nav a:hover{background:#f0f3f7;color:#1d2939}
.console-nav a.active{background:#eef2f8;color:#1d3f8f;border-left-color:var(--primary);font-weight:650}
.nav-icon{width:17px;flex:0 0 17px;text-align:center;font-size:13px;color:#7a8697}
.console-nav a.active .nav-icon{color:var(--primary)}
.nav-disabled{color:#a3acb8;cursor:default}
.nav-disabled small{margin-left:auto;font-size:9px;color:#b0b8c3}
.console-sidebar-foot{margin-top:auto;padding:14px 20px 18px;border-top:1px solid #e2e7ed}
.console-sidebar-foot a{font-size:11px;color:#7a8696;text-decoration:none}
.console-workspace{grid-column:2;min-width:0}
.console-topbar{height:62px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:45}
.console-topbar-title{font-size:13px;font-weight:650;color:#344054}
.console-topbar-actions{display:flex;align-items:center;gap:4px;height:100%}
.topbar-action,.topbar-logout{height:100%;display:flex;align-items:center;border:0;background:transparent;padding:0 12px;text-decoration:none;color:#667085;font-size:12px}
.topbar-action:hover,.topbar-logout:hover{background:#f7f8fa;color:#1d2939}
.account-name{font-size:12px;color:#344054;margin-left:8px;padding-left:14px;border-left:1px solid var(--line)}
.console-main{padding:28px 30px 56px;max-width:1560px;margin:0 auto}
.console-page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:24px}
.console-page-head h1{font-size:28px;line-height:1.25;letter-spacing:-.02em;margin:6px 0 7px}
.console-page-head p{margin:0;color:#758091;font-size:13px}
.summary-strip{background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:170px 170px 1fr;margin-bottom:18px}
.summary-strip>div{padding:16px 18px;border-right:1px solid var(--line)}
.summary-strip>div:last-child{border-right:0}
.summary-strip span,.summary-strip strong{display:block}
.summary-strip span{font-size:11px;color:#7f8a99;margin-bottom:4px}
.summary-strip strong{font-size:20px;color:#1d2939}
.summary-strip .summary-note{display:flex;align-items:center;color:#7b8695;font-size:12px}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
.metric-card{background:#fff;border:1px solid var(--line);padding:19px 20px;min-height:126px}
.metric-card span,.metric-card strong,.metric-card small{display:block}
.metric-label{font-size:11px;color:#7d8795}
.metric-card strong{font-size:30px;line-height:1.15;margin:14px 0 5px;font-weight:700;color:#172033}
.metric-card small{font-size:11px;color:#98a2b3}
.data-panel,.form-panel{background:#fff;border:1px solid var(--line)}
.data-panel-head{min-height:66px;border-bottom:1px solid var(--line);padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.data-panel-head h2{font-size:15px;margin:0 0 3px;color:#273244}
.data-panel-head p{font-size:11px;color:#8a94a3;margin:0}
.table-wrap{overflow:auto}
.data-table{width:100%;border-collapse:collapse;font-size:12px}
.data-table th{background:#fafbfc;color:#7b8695;font-weight:650;font-size:10px;letter-spacing:.05em;text-transform:uppercase;border-bottom:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.data-table td{padding:13px 14px;border-bottom:1px solid var(--line-soft);vertical-align:middle;color:#4b586a}
.data-table tr:last-child td{border-bottom:0}
.data-table tbody tr:hover{background:#fbfcfe}
.primary-cell{color:#253044;font-weight:600;font-size:12px;max-width:650px}
.secondary-cell{color:#98a2b3;font-size:10px;margin-top:3px;max-width:620px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cell-action{text-align:right!important;white-space:nowrap}
.text-link{color:#2457c5;text-decoration:none;font-size:12px;font-weight:600}
.text-link:hover{text-decoration:underline}
.status-label,.severity-label,.switch-state{display:inline-flex;align-items:center;min-height:23px;border:1px solid #d9dee6;padding:2px 7px;background:#fafbfc;color:#647184;font-size:10px;white-space:nowrap}
.status-revise,.severity-major{background:var(--major-bg);border-color:#f2c7c2;color:#9c261e}
.status-verify,.severity-notice{background:var(--notice-bg);border-color:#edd6ad;color:#8d560b}
.status-basic_clear,.status-completed,.switch-state.on{background:var(--success-bg);border-color:#c9e7d7;color:#287251}
.severity-suggestion{background:var(--suggest-bg);border-color:#cbddeb;color:#315f8c}
.switch-state.off{background:#f4f5f7;color:#8c96a4}
.ghost-button{display:inline-flex;align-items:center;justify-content:center;min-height:31px;border:1px solid #cfd6df;background:#fff;color:#4f5d70;padding:5px 10px;border-radius:2px;text-decoration:none;font-size:11px}
.ghost-button:hover{border-color:#aeb8c5;color:#172033;background:#fafbfc}
.empty-state{padding:42px 20px;text-align:center;color:#8b95a3}
.empty-state b,.empty-state span,.empty-state a{display:block}
.empty-state b{color:#5d6878;margin-bottom:5px}
.empty-state span{font-size:11px;margin-bottom:12px}
.empty-state a{font-size:12px;color:var(--primary);text-decoration:none}
.pagination-wrap{padding:12px 16px;border-top:1px solid var(--line)}
.pagination-wrap nav{font-size:12px}
.rules-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:18px;align-items:start}
.rules-list-panel{min-width:0}
.rule-create-panel{position:sticky;top:86px;padding:20px}
.form-panel-head{border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:18px}
.form-panel-head h2{font-size:18px}
.form-panel-head p{font-size:11px;color:#7e8998;margin:8px 0 0;line-height:1.65}
.rule-create-panel label{margin-top:13px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.rule-code{font-size:10px;color:#8c96a4;margin-bottom:2px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.keywords-cell{max-width:280px;color:#657285!important;line-height:1.6}

/* Flash */
.flash{padding:11px 14px;border:1px solid var(--line);margin-bottom:16px;font-size:12px;background:#fff}
.flash.success{border-color:#c8e3d4;background:#f1f9f5;color:#2d6f51}

/* Audit report */
.report-topbar{min-height:54px;display:flex;align-items:center;justify-content:space-between;padding-top:8px}
.report-breadcrumb{display:flex;align-items:center;gap:8px;color:#8a94a3;font-size:11px}
.report-breadcrumb a{color:#526071;text-decoration:none}
.report-breadcrumb a:hover{color:#1d2939}
.report-head{background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:34px;padding:28px 30px;margin-top:8px}
.report-title-block h1{font-size:26px;line-height:1.35;letter-spacing:-.018em;margin:7px 0 12px;color:#182131}
.report-meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:11px;color:#8a94a3}
.report-status{display:inline-flex;align-items:center;min-height:25px;padding:3px 8px;border:1px solid #d6dde6;background:#fafbfc;color:#4f5d70;font-size:11px;font-weight:650}
.report-status.status-revise{background:var(--major-bg);border-color:#efc1bc;color:#9c261e}
.report-status.status-verify{background:var(--notice-bg);border-color:#ead2a8;color:#8d560b}
.report-status.status-basic_clear{background:var(--success-bg);border-color:#c8e3d4;color:#287251}
.report-disclaimer{font-size:11px;color:#8a94a3;margin:15px 0 0;max-width:850px}
.report-summary{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid var(--line);align-self:start}
.report-summary div{padding:16px 17px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.report-summary div:nth-child(2n){border-right:0}
.report-summary div:nth-child(n+3){border-bottom:0}
.report-summary strong,.report-summary span{display:block}
.report-summary strong{font-size:22px;line-height:1.1;color:#243044}
.report-summary span{font-size:10px;color:#8b95a3;margin-top:5px}
.report-filterbar{height:58px;background:#fff;border:1px solid var(--line);border-top:0;display:flex;align-items:center;justify-content:space-between;padding:0 18px;margin-bottom:18px}
.filter-label{font-size:11px;color:#8792a2}
.count-row{display:flex;align-items:center;gap:5px}
.filter{border:1px solid transparent;background:transparent;color:#667085;border-radius:2px;padding:6px 9px;font-size:11px}
.filter:hover{background:#f6f7f9;color:#344054}
.filter.active{border-color:#cbd5e1;background:#f7f9fc;color:#1d2939;font-weight:650}
.review-shell{position:relative;display:grid;grid-template-columns:minmax(220px,1fr) minmax(600px,780px) minmax(220px,1fr);gap:20px;align-items:start;padding-bottom:70px}
.paper{background:#fff;border:1px solid #d9dee6;padding:48px 56px 58px;min-height:720px;position:relative;z-index:2;box-shadow:0 3px 18px rgba(16,24,40,.035)}
.paper-label{font-size:10px;letter-spacing:.1em;color:#a0a8b4;text-align:center;text-transform:uppercase;border-bottom:1px solid var(--line-soft);padding-bottom:13px;margin-bottom:29px}
.article-title{text-align:center;font-size:27px;line-height:1.5;margin:0 0 34px;color:#182131;font-weight:700}
.article-content{font-size:16px;line-height:1.92;color:#273244}
.article-content p{margin:0 0 20px}
.article-content img{max-width:100%;height:auto}
.note-column{display:flex;flex-direction:column;gap:12px;position:relative;z-index:3}
.note-card{background:#fff;border:1px solid #dbe1e8;border-left:3px solid var(--suggest);padding:13px 14px;box-shadow:0 3px 14px rgba(16,24,40,.035);cursor:pointer;border-radius:2px}
.note-card:hover{border-color:#c9d0da;border-left-color:var(--suggest);box-shadow:0 5px 18px rgba(16,24,40,.06)}
.note-card.severity-major{border-left-color:var(--major)}
.note-card.severity-notice{border-left-color:var(--notice)}
.note-card h3{margin:3px 0 7px;font-size:13px;line-height:1.5;color:#293548}
.note-card p,.suggest,.quote{font-size:11px;line-height:1.65;color:#667085}
.note-card p{margin:7px 0}
.note-level{font-size:9px;font-weight:700;color:#8993a2;letter-spacing:.06em}
.quote{background:#f7f8fa;border-left:2px solid #d9dee6;padding:6px 8px;margin-bottom:7px}
.suggest{border-top:1px solid #edf0f4;margin-top:8px;padding-top:8px}
.audit-highlight{padding:1px 2px;cursor:pointer;border-radius:1px}
.audit-highlight.severity-major{background:#ffe5e2}
.audit-highlight.severity-notice{background:#fff0c9}
.audit-highlight.severity-suggestion{background:#e3edf6}
.muted-highlight{background:transparent!important}
.audit-lines{position:absolute;inset:0;pointer-events:none;z-index:1;overflow:visible}
.audit-line{fill:none;stroke-width:1;opacity:.46}
.audit-line.severity-major{stroke:var(--major)}
.audit-line.severity-notice{stroke:var(--notice)}
.audit-line.severity-suggestion{stroke:var(--suggest)}
.pulse{animation:pulse .75s ease}
@keyframes pulse{50%{box-shadow:0 0 0 4px rgba(37,87,214,.12)}}

/* Responsive */
@media(max-width:1180px){
    .home-hero-grid{grid-template-columns:1fr;gap:38px}
    .check-panel{max-width:680px}
    .capability-grid{grid-template-columns:repeat(2,1fr)}
    .capability-item:nth-child(2){border-right:0}
    .capability-item:nth-child(-n+2){border-bottom:1px solid var(--line)}
    .rules-layout{grid-template-columns:1fr}
    .rule-create-panel{position:static}
    .review-shell{grid-template-columns:1fr}
    .note-column{display:none}
    .audit-lines{display:none}
    .paper{max-width:820px;width:100%;margin:0 auto}
    .report-head{grid-template-columns:1fr}
    .report-summary{max-width:500px}
}

@media(max-width:880px){
    .console-frame{display:block}
    .console-sidebar{position:static;width:100%;height:auto;border-right:0;border-bottom:1px solid var(--line)}
    .console-brand{height:56px}
    .console-context,.nav-label,.console-sidebar-foot{display:none}
    .console-nav{display:flex;padding:0 8px;overflow:auto}
    .nav-group{display:flex;border:0;padding:0}
    .console-nav a,.nav-disabled{min-width:max-content;height:44px;border-left:0;border-bottom:2px solid transparent;padding:0 10px}
    .console-nav a.active{border-left:0;border-bottom-color:var(--primary)}
    .nav-disabled{display:none}
    .console-workspace{grid-column:auto}
    .console-topbar{position:static;height:56px;padding:0 14px}
    .console-main{padding:22px 16px 44px}
    .metric-grid{grid-template-columns:repeat(2,1fr)}
    .summary-strip{grid-template-columns:1fr 1fr}
    .summary-note{grid-column:1/-1;border-top:1px solid var(--line);border-right:0!important}
    .auth-shell{grid-template-columns:1fr;gap:30px}
    .auth-intro{display:none}
    .auth-panel{max-width:520px;width:100%;margin:0 auto}
}

@media(max-width:680px){
    .shell,.shell-wide{width:min(100% - 24px,1180px)}
    .site-header{height:56px}
    .site-brand-product,.site-brand-divider{display:none}
    .site-nav>a:not(.site-nav-cta):not(:last-of-type){display:none}
    .home-hero{padding:48px 0 42px}
    .home-hero-copy h1{font-size:38px}
    .home-lead{font-size:15px}
    .home-proof-row{grid-template-columns:1fr;gap:0}
    .home-proof-row div{padding:12px 0;border-right:0;border-bottom:1px solid var(--line-soft)}
    .home-proof-row div:last-child{border-bottom:0}
    .check-panel{padding:22px 18px}
    .home-capabilities{padding:46px 0 56px}
    .capability-grid{grid-template-columns:1fr}
    .capability-item{border-right:0!important;border-bottom:1px solid var(--line)}
    .capability-item:last-child{border-bottom:0}
    .site-footer-inner{height:auto;padding:18px 0;display:block}
    .site-footer-inner span{display:block;margin:3px 0}
    .console-page-head{display:block}
    .console-page-head .primary{margin-top:16px}
    .metric-grid{grid-template-columns:1fr 1fr}
    .console-topbar-actions .account-name{display:none}
    .summary-strip{grid-template-columns:1fr 1fr}
    .report-head{padding:22px 18px}
    .report-title-block h1{font-size:22px}
    .report-summary{grid-template-columns:1fr 1fr}
    .report-filterbar{height:auto;display:block;padding:12px}
    .count-row{margin-top:8px;flex-wrap:wrap}
    .paper{padding:28px 20px}
    .article-title{font-size:22px}
    .article-content{font-size:15px}
    .field-row{grid-template-columns:1fr}
}

/* Public SEO / GEO content */
.seo-section{padding:70px 0;background:var(--bg);border-top:1px solid var(--line-soft)}
.seo-section-white{background:#fff}
.seo-two-col,.seo-method-grid{display:grid;grid-template-columns:360px minmax(0,1fr);gap:80px;align-items:start}
.seo-section-title>span{font-size:11px;line-height:1.2;letter-spacing:.14em;font-weight:700;color:#667085;text-transform:uppercase}
.seo-section-title h2{font-size:30px;line-height:1.35;letter-spacing:-.02em;margin:10px 0 0;color:#172033}
.seo-prose{max-width:760px;color:#566274;font-size:15px;line-height:1.9}
.seo-prose p{margin:0 0 18px}
.seo-prose strong{color:#273244}
.seo-more{display:inline-flex;margin-top:5px}
.seo-dimension-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:#fff}
.seo-dimension-grid article{padding:26px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:180px}
.seo-dimension-grid article:nth-child(3n){border-right:0}
.seo-dimension-grid article:nth-child(n+4){border-bottom:0}
.seo-dimension-grid h3{font-size:15px;margin:0 0 9px;color:#273244}
.seo-dimension-grid p{font-size:13px;line-height:1.75;color:#758091;margin:0}
.seo-faq-section{padding-bottom:86px}
.faq-list{border-top:1px solid var(--line);max-width:920px}
.faq-list details{border-bottom:1px solid var(--line);background:#fff}
.faq-list summary{list-style:none;cursor:pointer;padding:18px 42px 18px 4px;font-size:14px;font-weight:650;color:#2c3748;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:'+';position:absolute;right:8px;top:16px;font-size:18px;font-weight:400;color:#8a94a3}
.faq-list details[open] summary:after{content:'−'}
.faq-list p{margin:0;padding:0 42px 20px 4px;font-size:13px;line-height:1.8;color:#6f7a8a}
.seo-faq-link{margin-top:18px}

/* Public information pages */
.public-page-hero{background:#fff;border-bottom:1px solid var(--line);padding:66px 0 58px}
.public-page-hero-inner{max-width:880px;margin-left:auto;margin-right:auto;text-align:center}
.public-page-hero h1{font-size:40px;line-height:1.25;letter-spacing:-.025em;margin:13px 0 14px;color:#172033}
.public-page-hero p{font-size:16px;line-height:1.8;color:#6f7a8a;margin:0 auto;max-width:720px}
.public-content-section{padding:64px 0 86px}
.public-content-layout{display:grid;grid-template-columns:220px minmax(0,760px);gap:68px;justify-content:center;align-items:start}
.public-toc{position:sticky;top:88px;border-top:1px solid var(--line);padding-top:14px}
.public-toc span{display:block;font-size:10px;letter-spacing:.1em;color:#98a2b3;margin-bottom:9px}
.public-toc a{display:block;text-decoration:none;color:#667085;font-size:12px;padding:7px 0}
.public-toc a:hover{color:#172033}
.public-article{font-size:15px;line-height:1.9;color:#566274}
.public-article section{scroll-margin-top:88px;margin-bottom:48px}
.public-article h2{font-size:25px;line-height:1.4;color:#1f2937;margin:0 0 16px;letter-spacing:-.015em}
.public-article h3{font-size:16px;color:#344054;margin:28px 0 8px}
.public-article p{margin:0 0 16px}
.public-level-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);background:#fff}
.public-level-grid>div{padding:20px;border-right:1px solid var(--line)}
.public-level-grid>div:last-child{border-right:0}
.public-level-grid b{display:block;color:#344054;font-size:13px;margin-bottom:7px}
.public-level-grid p{font-size:12px;line-height:1.7;color:#778294;margin:0}
.public-faq-page{max-width:920px}
.faq-list-large{max-width:none}
.faq-list-large summary{font-size:15px;padding-top:22px;padding-bottom:22px}
.faq-list-large p{font-size:14px;padding-bottom:24px}
.public-about-grid{display:grid;grid-template-columns:minmax(0,760px) 320px;gap:64px;justify-content:center;align-items:start}
.about-fact-panel{background:#fff;border:1px solid var(--line);padding:22px 22px 12px;position:sticky;top:88px}
.about-fact-panel>span{display:block;font-size:10px;letter-spacing:.12em;color:#98a2b3;padding-bottom:14px;border-bottom:1px solid var(--line)}
.about-fact-panel dl{margin:0}
.about-fact-panel dl>div{display:grid;grid-template-columns:86px 1fr;gap:12px;padding:13px 0;border-bottom:1px solid var(--line-soft)}
.about-fact-panel dl>div:last-child{border-bottom:0}
.about-fact-panel dt{font-size:11px;color:#8a94a3}
.about-fact-panel dd{margin:0;font-size:12px;color:#445064}
.about-fact-panel a{color:#2457c5;text-decoration:none}
.site-footer-seo{height:auto;min-height:78px;padding:17px 0}
.site-footer-seo>div:first-child strong,.site-footer-seo>div:first-child span{display:block}
.site-footer-seo>div:first-child strong{font-size:12px;color:#566274;margin-bottom:3px}
.site-footer-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.site-footer-links a{font-size:11px;color:#7d8795;text-decoration:none}
.site-footer-links a:hover{color:#344054}

@media(max-width:980px){
    .seo-two-col,.seo-method-grid{grid-template-columns:1fr;gap:24px}
    .seo-dimension-grid{grid-template-columns:repeat(2,1fr)}
    .seo-dimension-grid article:nth-child(3n){border-right:1px solid var(--line)}
    .seo-dimension-grid article:nth-child(2n){border-right:0}
    .seo-dimension-grid article:nth-child(n+4){border-bottom:1px solid var(--line)}
    .seo-dimension-grid article:nth-child(n+5){border-bottom:0}
    .public-content-layout{grid-template-columns:1fr;gap:30px}
    .public-toc{position:static;display:flex;gap:16px;flex-wrap:wrap;border-top:0;border-bottom:1px solid var(--line);padding:0 0 12px}
    .public-toc span{width:100%;margin:0}
    .public-about-grid{grid-template-columns:1fr}
    .about-fact-panel{position:static}
}

@media(max-width:680px){
    .seo-section{padding:48px 0}
    .seo-section-title h2{font-size:25px}
    .seo-dimension-grid{grid-template-columns:1fr}
    .seo-dimension-grid article{border-right:0!important;border-bottom:1px solid var(--line)!important;min-height:0}
    .seo-dimension-grid article:last-child{border-bottom:0!important}
    .public-page-hero{padding:46px 0 40px}
    .public-page-hero h1{font-size:31px}
    .public-page-hero p{font-size:14px}
    .public-content-section{padding:42px 0 58px}
    .public-level-grid{grid-template-columns:1fr}
    .public-level-grid>div{border-right:0;border-bottom:1px solid var(--line)}
    .public-level-grid>div:last-child{border-bottom:0}
    .site-footer-seo{display:block}
    .site-footer-links{margin-top:12px;gap:12px}
}

/* =========================================================
   V1.3 Strong Annotation Review
   强批注：编号锚点、醒目高亮、自动左右排布、折线连接
   ========================================================= */
.review-shell{
    grid-template-columns:minmax(250px,1fr) minmax(660px,800px) minmax(250px,1fr);
    gap:24px;
    overflow:visible;
}
.note-column{
    display:block;
    position:relative;
    min-width:0;
    z-index:6;
}
.note-card{
    position:absolute;
    width:100%;
    background:#fff;
    border:1px solid #d4dbe5;
    border-left:4px solid var(--suggest);
    padding:0 16px 15px;
    border-radius:2px;
    box-shadow:0 6px 18px rgba(16,24,40,.06);
    cursor:pointer;
    transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease;
}
.note-card.severity-major{border-left-color:#c72d24}
.note-card.severity-notice{border-left-color:#c7790a}
.note-card.severity-suggestion{border-left-color:#316998}
.note-card:hover,.note-card.is-active{
    border-color:#aeb8c6;
    box-shadow:0 10px 26px rgba(16,24,40,.11);
    transform:translateY(-1px);
}
.note-card.severity-major:hover,.note-card.severity-major.is-active{border-left-color:#a9150d}
.note-card.severity-notice:hover,.note-card.severity-notice.is-active{border-left-color:#9b5800}
.note-card.severity-suggestion:hover,.note-card.severity-suggestion.is-active{border-left-color:#1f527d}
.note-card-head{
    min-height:38px;
    margin:0 -16px 13px;
    padding:0 13px;
    display:flex;
    align-items:center;
    gap:9px;
    border-bottom:1px solid #edf0f4;
    background:#fafbfc;
}
.note-number{
    width:22px;
    height:22px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    flex:0 0 22px;
    border-radius:50%;
    background:#315f8c;
    color:#fff;
    font-size:10px;
    line-height:1;
    font-weight:800;
}
.note-card.severity-major .note-number{background:#b42318}
.note-card.severity-notice .note-number{background:#a15c00}
.note-card.severity-suggestion .note-number{background:#315f8c}
.note-level{
    font-size:10px;
    font-weight:750;
    letter-spacing:.08em;
    color:#778294;
}
.note-card h3{
    margin:0 0 10px;
    font-size:15px;
    line-height:1.45;
    color:#243044;
    font-weight:750;
}
.note-reason{
    font-size:12px;
    line-height:1.75;
    color:#5f6d80;
    margin:9px 0 0;
}
.note-card .quote{
    position:relative;
    background:#f6f7f9;
    border:0;
    border-left:3px solid #d7dde6;
    padding:9px 10px 9px 11px;
    margin:0 0 10px;
    font-size:12px;
    line-height:1.65;
    color:#4f5d70;
}
.note-card .quote span{
    display:block;
    margin-bottom:3px;
    font-size:9px;
    line-height:1.2;
    letter-spacing:.08em;
    color:#98a2b3;
    text-transform:uppercase;
}
.note-card .suggest{
    display:grid;
    grid-template-columns:34px minmax(0,1fr);
    gap:7px;
    border-top:1px solid #edf0f4;
    margin-top:12px;
    padding-top:11px;
    font-size:12px;
    line-height:1.7;
    color:#566274;
}
.note-card .suggest b{
    color:#344054;
    font-size:11px;
}
.note-card.is-unlinked{
    opacity:.78;
    border-style:dashed;
}

.paper{
    z-index:2;
    box-shadow:0 4px 22px rgba(16,24,40,.055);
}
.article-content [data-audit-block-id]{
    scroll-margin-top:120px;
}
.audit-highlight{
    position:relative;
    z-index:5;
    padding:2px 3px;
    margin:0 1px;
    border-radius:2px;
    cursor:pointer;
    font-weight:650;
    text-decoration:none;
    box-decoration-break:clone;
    -webkit-box-decoration-break:clone;
    transition:background .15s ease,box-shadow .15s ease,opacity .15s ease;
}
.audit-highlight.severity-major{
    color:#8f1710;
    background:#ffd9d5;
    box-shadow:inset 0 -2px 0 #c52a20,0 0 0 1px rgba(180,35,24,.12);
}
.audit-highlight.severity-notice{
    color:#7f4b00;
    background:#ffe8b5;
    box-shadow:inset 0 -2px 0 #bd7308,0 0 0 1px rgba(161,92,0,.11);
}
.audit-highlight.severity-suggestion{
    color:#214e76;
    background:#dcecf9;
    box-shadow:inset 0 -2px 0 #356d9c,0 0 0 1px rgba(49,95,140,.11);
}
.audit-highlight::after{
    content:attr(data-index);
    display:inline-flex;
    width:17px;
    height:17px;
    align-items:center;
    justify-content:center;
    margin-left:4px;
    border-radius:50%;
    color:#fff;
    background:#315f8c;
    font-size:9px;
    line-height:1;
    font-weight:800;
    vertical-align:.38em;
    box-shadow:0 1px 2px rgba(16,24,40,.16);
}
.audit-highlight.severity-major::after{background:#b42318}
.audit-highlight.severity-notice::after{background:#a15c00}
.audit-highlight.severity-suggestion::after{background:#315f8c}
.audit-highlight:hover,.audit-highlight.is-active{
    box-shadow:0 0 0 3px rgba(37,87,214,.12),inset 0 -2px 0 currentColor;
}
.audit-highlight.muted-highlight{
    background:transparent!important;
    box-shadow:none!important;
    color:inherit!important;
    font-weight:inherit;
    opacity:.32;
}
.audit-highlight.muted-highlight::after{opacity:.35}

.audit-lines{
    z-index:4;
    overflow:visible;
}
.audit-line{
    fill:none;
    stroke-width:2.1;
    opacity:.72;
    stroke-linecap:round;
    stroke-linejoin:round;
    transition:opacity .15s ease,stroke-width .15s ease;
}
.audit-line-dot,.audit-line-start{
    stroke:#fff;
    stroke-width:1.5;
    opacity:.9;
    transition:r .15s ease,opacity .15s ease;
}
.audit-line.severity-major{stroke:#c52a20}
.audit-line.severity-notice{stroke:#bd7308}
.audit-line.severity-suggestion{stroke:#356d9c}
.audit-line-dot.severity-major,.audit-line-start.severity-major{fill:#c52a20}
.audit-line-dot.severity-notice,.audit-line-start.severity-notice{fill:#bd7308}
.audit-line-dot.severity-suggestion,.audit-line-start.severity-suggestion{fill:#356d9c}
.audit-line-group.is-active .audit-line{
    opacity:1;
    stroke-width:3;
}
.audit-line-group.is-active .audit-line-dot{r:5.5;opacity:1}
.audit-line-group.is-active .audit-line-start{opacity:1}

@media(max-width:1180px){
    .review-shell{
        display:flex;
        flex-direction:column;
        gap:14px;
        min-height:0!important;
    }
    .paper{order:1}
    .note-column{
        order:2;
        display:grid!important;
        grid-template-columns:repeat(2,minmax(0,1fr));
        gap:10px;
        height:auto!important;
        width:100%;
    }
    .note-card{
        position:static!important;
        width:100%!important;
        transform:none!important;
    }
    .audit-lines{display:none!important}
}

@media(max-width:680px){
    .note-column{grid-template-columns:1fr}
    .note-card h3{font-size:14px}
    .note-card .quote,.note-reason,.note-card .suggest{font-size:11px}
    .audit-highlight::after{
        width:15px;
        height:15px;
        font-size:8px;
        margin-left:3px;
    }
}