:root{color-scheme:light;--ink:#183a30;--muted:#5c7168;--green:#176b4e;--line:#dce6df;--paper:#fff;--bg:#f2f6f3;--soft:#e5f2e9;--warn:#fff1d9;font-family:system-ui,-apple-system,"PingFang SC",sans-serif;font-size:17px;line-height:1.65;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}body{margin:0}.shell{max-width:560px;margin:auto;padding:0 24px 32px}header{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.brand{font-weight:650;font-size:17px;color:var(--green)}h1{font-size:32px;line-height:1.3;letter-spacing:-.5px;font-weight:650;margin:14px 0 20px}h2{font-size:22px;line-height:1.4}p{margin:14px 0}section{padding-top:22px}.eyebrow{color:var(--green);font-size:14px}.muted,.fine{color:var(--muted)}.fine{font-size:13px;text-align:center}.card{padding:20px;background:var(--paper);border:1px solid var(--line);border-radius:18px;margin:22px 0}.notice{background:var(--soft);padding:16px 18px;border-radius:12px}.warning{background:var(--warn)}label{display:block;font-size:15px;font-weight:550;margin:16px 0 7px}label:first-child{margin-top:0}select,input,textarea{display:block;width:100%;min-height:48px;padding:10px 12px;border:1px solid #b8cbbf;border-radius:10px;background:var(--paper);color:var(--ink);font:inherit}textarea{resize:vertical;font-size:14px}button{display:block;width:100%;min-height:49px;border:1px solid var(--line);border-radius:12px;padding:12px 16px;font:inherit;background:var(--paper);color:var(--ink);margin:12px 0;cursor:pointer}button:disabled{opacity:.55;cursor:wait}button.primary{background:var(--green);color:#fff;border-color:var(--green);font-weight:600}button.danger{color:#8a2c2c}.row{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}.row:last-child{border-bottom:0}.row span:last-child{text-align:right}.status-ok{color:#176b4e}.status-error{color:#8a4e18}.status-other{color:var(--muted)}details{font-size:14px;color:var(--muted);margin:16px 0}summary{padding:10px 0;min-height:44px;cursor:pointer}.report-code{font-size:25px;letter-spacing:1px;font-variant-numeric:tabular-nums;background:var(--paper);padding:22px 12px;border:1px solid var(--line);border-radius:12px;text-align:center;overflow-wrap:anywhere}footer{font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin-top:30px}a{color:var(--green)}[hidden]{display:none!important}:focus-visible{outline:3px solid #487fa3;outline-offset:3px}.support-shell{max-width:850px}.report-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.report-grid .card{min-width:0;overflow-wrap:anywhere}.check{display:flex;gap:10px;align-items:flex-start}.check input{width:20px;min-height:24px;margin-top:3px}.check span{flex:1}.inline-actions{display:flex;gap:12px;flex-wrap:wrap}.inline-actions button{flex:1;min-width:130px}@media(max-width:360px){.shell{padding:0 16px 24px}h1{font-size:28px}.card{padding:16px}.row{gap:10px;font-size:14px}.report-grid{display:block}}

/* 用户诊断页适老化；不改变客服工作台样式。 */
.senior-page{font-size:20px;line-height:1.7;--muted:#40574b;--line:#bdcec3;-webkit-text-size-adjust:100%;text-size-adjust:100%}
.senior-page.extra-large{font-size:24px}
.senior-page .shell{max-width:600px;padding:0 20px 32px;overflow-wrap:anywhere}
.senior-page header{font-size:1em;flex-wrap:wrap;gap:12px;padding:16px 0}
.senior-page .brand{font-size:1.1em}
.senior-page .font-toggle{width:auto;min-height:60px;font-size:1em;margin:0;border-color:var(--green)}
.senior-page h1{font-size:1.6em;line-height:1.4;letter-spacing:0;margin:10px 0 20px}
.senior-page h1:focus{outline:none}
.senior-page .muted,.senior-page .fine,.senior-page footer,.senior-page .privacy-note{font-size:.9em}
.senior-page label{font-size:1em;font-weight:600}
.senior-page button,.senior-page select,.senior-page textarea{font-size:1em;min-height:60px;border-color:#829c8b}
.senior-page button{padding:14px 16px;margin:18px 0}
.senior-page button.primary{font-size:1.2em;min-height:68px}
.senior-page .card{padding:20px;margin:20px 0}
.senior-page .service-card p{margin:0 0 8px}
.senior-page .service-name{font-size:1.2em;font-weight:650}
.senior-page .row{font-size:1em;flex-wrap:wrap;gap:8px 18px}
.senior-page .row span{min-width:0}
.senior-page .status-ok,.senior-page .status-error{font-weight:650}
.senior-page details{font-size:1em;color:var(--ink);margin:20px 0;border-top:1px solid var(--line)}
.senior-page summary{min-height:60px;padding:16px 0;line-height:1.5}
.senior-page .notice{padding:18px;line-height:1.8}
.senior-page .journey{display:flex;list-style:none;padding:0;gap:10px;justify-content:space-between;font-size:.9em;color:var(--muted);margin:24px 0 0}
.senior-page .journey li{flex:1;border-bottom:3px solid var(--line);padding-bottom:10px}
.senior-page .journey [aria-current]{color:var(--green);border-color:var(--green);font-weight:700}
.senior-page .report-code{font-size:1.5em;font-weight:700;letter-spacing:2px;user-select:all;line-height:1.7}
.senior-page .code-group{display:inline-block;white-space:nowrap}
.senior-page .share-steps{padding-left:1.5em}
.senior-page .share-steps li{padding:8px 0}
.senior-page #message{border:2px solid var(--green)}
.senior-page.extra-large .row{display:block}
.senior-page.extra-large .row span{display:block;text-align:left}
@media(max-width:380px){.senior-page .shell{padding:0 16px 24px}.senior-page .card{padding:16px}.senior-page .row{display:block}.senior-page .row span{display:block;text-align:left}.senior-page .journey{gap:8px}.senior-page .journey li{word-break:normal}}

@media(max-width:380px){.senior-page .journey{gap:6px}.senior-page .journey .step-number{display:block}.senior-page .journey li{white-space:nowrap}}

.senior-page input{font-size:1em;min-height:60px}.senior-page .check input{width:24px;min-width:24px;height:24px;min-height:24px;margin-top:8px}.senior-page #dns-comparison h2{font-size:1.2em}.senior-page #dns-comparison .row{display:block}.senior-page #dns-comparison .row span{display:block;text-align:left}

/* 客服双报告并排时，长版本说明和 DNS 记录不挤压字段名。 */
.support-shell .report-grid .row{display:block}
.support-shell .report-grid .row span{display:block;text-align:left}
.support-shell .report-grid .row span:first-child{font-weight:600;color:var(--muted);margin-bottom:4px}
.target-fields{border:1px solid var(--line);border-radius:12px;padding:16px;margin:20px 0;min-width:0}.target-fields legend{padding:0 6px}.custom-target{padding:0 0 16px;margin-bottom:16px;border-bottom:1px solid var(--line)}.custom-target:last-child{margin-bottom:0}.custom-target input{min-width:0}#custom-link-result textarea{overflow-wrap:anywhere}#custom-scope .row{display:block}#custom-scope .row span{display:block;text-align:left}