/* 邮箱有效性检测 · 投递风险实验室：冷白实验台 + 靛紫 + 荧光橙
   浅色默认；深色由 :root[data-theme="dark"] 整套覆盖，跟随导航 #themeToggle。 */
.emv-page, .emv-toast {
    --emv-bg: #f5f7fb; --emv-panel: #ffffff; --emv-panel2: #f7f9fd;
    --emv-ink: #24243f; --emv-ink2: #646787; --emv-line: #dfe3ee; --emv-line2: #c4cadf;
    --emv-brand: #3b3b78; --emv-accent: #f07e26; --emv-soft: #eceafa; --emv-warm: #fff0e2;
    --emv-ok: #16897a; --emv-warn: #a86a14; --emv-bad: #c0433f;
    --emv-shadow: 0 14px 34px rgba(36, 36, 63, .09);
    --emv-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}
:root[data-theme="dark"] .emv-page, :root[data-theme="dark"] .emv-toast {
    --emv-bg: #141523; --emv-panel: #1c1e30; --emv-panel2: #23263c;
    --emv-ink: #ecebff; --emv-ink2: #a8aac9; --emv-line: #333654; --emv-line2: #444874;
    --emv-brand: #a9a5ff; --emv-accent: #ffb066; --emv-soft: #2b2a4c; --emv-warm: #3a2c22;
    --emv-ok: #6fd4bd; --emv-warn: #ffd08a; --emv-bad: #ff8f8a;
    --emv-shadow: 0 14px 34px rgba(0, 0, 0, .4);
}
.emv-page { background: var(--emv-bg); background-image: linear-gradient(90deg, rgba(59, 59, 120, .035) 1px, transparent 1px), linear-gradient(rgba(59, 59, 120, .035) 1px, transparent 1px); background-size: 26px 26px; color: var(--emv-ink); font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif; font-size: 15px; line-height: 1.75; padding: 0 0 64px; min-height: 60vh; }
.emv-wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.emv-page * { box-sizing: border-box; }
.emv-page h1, .emv-page h2, .emv-page h3, .emv-page h4 { margin: 0; font-weight: 750; letter-spacing: -.02em; }
.emv-page p, .emv-page ul { margin: 0; }
.emv-page ul { padding: 0; list-style: none; }
.detail-breadcrumb { padding: 18px 0 10px; color: var(--emv-ink2); font-size: 13px; }
.detail-breadcrumb a { color: var(--emv-ink2); text-decoration: none; }
.detail-breadcrumb a:hover { color: var(--emv-accent); }
.detail-breadcrumb .sep { margin: 0 9px; color: var(--emv-line2); }
.detail-breadcrumb .current { color: var(--emv-brand); font-weight: 700; }
.emv-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(330px, .95fr); gap: 26px; padding: 22px 0 20px; align-items: stretch; }
.emv-tag { display: inline-flex; align-items: center; gap: 9px; font: 700 11px/1 var(--emv-mono); letter-spacing: .12em; color: var(--emv-brand); background: var(--emv-soft); border: 1px solid var(--emv-line2); border-radius: 4px; padding: 8px 12px; }
.emv-tag i { width: 8px; height: 8px; border-radius: 2px; background: var(--emv-accent); }
.emv-hero h1 { font-size: clamp(34px, 4.4vw, 52px); line-height: 1.1; color: var(--emv-brand); margin: 20px 0 14px; }
.emv-sub { font-size: 16px; line-height: 1.85; color: var(--emv-ink2); }
.emv-sub b { color: var(--emv-ink); border-bottom: 2px solid var(--emv-accent); padding-bottom: 1px; }
.emv-points { display: grid; gap: 10px; margin-top: 22px; }
.emv-points li { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--emv-ink2); }
.emv-points b { font: 700 11px/1 var(--emv-mono); color: var(--emv-accent); background: var(--emv-warm); padding: 5px 7px; border-radius: 4px; }
.emv-console { background: var(--emv-panel); border: 1px solid var(--emv-line2); border-radius: 12px; padding: 19px; box-shadow: var(--emv-shadow); border-bottom: 4px solid var(--emv-accent); }
.emv-console-head { display: flex; justify-content: space-between; align-items: center; font: 700 11px/1 var(--emv-mono); letter-spacing: .1em; color: var(--emv-ink2); border-bottom: 1px dashed var(--emv-line); padding-bottom: 11px; margin-bottom: 14px; }
.emv-console-head span { color: var(--emv-brand); }
.emv-console-head b { color: var(--emv-accent); }
.emv-console textarea { width: 100%; min-height: 128px; resize: vertical; background: var(--emv-panel2); border: 1px solid var(--emv-line2); border-radius: 8px; color: var(--emv-ink); padding: 11px 13px; font: 12.5px/1.75 var(--emv-mono); outline: none; }
.emv-console textarea:focus { border-color: var(--emv-brand); box-shadow: 0 0 0 3px var(--emv-soft); }
.emv-quick { display: flex; gap: 7px; flex-wrap: wrap; margin: 11px 0 14px; }
.emv-quick button { background: var(--emv-panel2); border: 1px solid var(--emv-line); color: var(--emv-brand); border-radius: 6px; padding: 5px 10px; font-size: 11.5px; cursor: pointer; }
.emv-quick button:hover { border-color: var(--emv-accent); }
.emv-console-acts { display: flex; gap: 9px; }
.emv-btn { border: 1px solid transparent; border-radius: 8px; padding: 10px 16px; font-size: 13.5px; font-weight: 650; font-family: inherit; cursor: pointer; }
.emv-btn:disabled { opacity: .5; cursor: wait; }
.emv-btn-main { background: var(--emv-brand); color: #fff; }
.emv-btn-ghost { background: var(--emv-panel); color: var(--emv-brand); border-color: var(--emv-line2); }
.emv-mini { background: var(--emv-panel); border: 1px solid var(--emv-line2); color: var(--emv-brand); border-radius: 6px; padding: 6px 11px; font-size: 12px; font-weight: 650; cursor: pointer; }
.emv-msg { font-size: 11.5px; line-height: 1.6; color: var(--emv-ink2); margin-top: 11px; min-height: 20px; }
.emv-msg.is-bad { color: var(--emv-bad); }
.emv-msg.is-ok { color: var(--emv-ok); }
.emv-notice { background: var(--emv-warm); border-left: 4px solid var(--emv-accent); border-radius: 0 8px 8px 0; padding: 11px 14px; font-size: 12.5px; line-height: 1.7; color: var(--emv-ink2); margin: 12px 0 16px; }
.emv-notice b { color: var(--emv-accent); margin-right: 6px; }
.emv-result, .emv-details { background: var(--emv-panel); border: 1px solid var(--emv-line); border-radius: 12px; padding: 20px; margin-top: 14px; box-shadow: var(--emv-shadow); }
.emv-page section[hidden] { display: none !important; }
.emv-sec-head { display: flex; align-items: center; gap: 11px; border-bottom: 1px solid var(--emv-line2); padding-bottom: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.emv-no { font: 700 12px/1 var(--emv-mono); color: var(--emv-accent); border-right: 1px solid var(--emv-line2); padding-right: 11px; }
.emv-sec-head h2 { font-size: 19px; color: var(--emv-brand); }
.emv-head-acts { margin-left: auto; display: flex; gap: 8px; }
.emv-source { margin-left: auto; font: 600 11px/1 var(--emv-mono); color: var(--emv-ink2); }
.emv-kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.emv-kpis > div { background: var(--emv-panel2); border: 1px solid var(--emv-line); border-radius: 9px; padding: 12px; }
.emv-kpis b { display: block; font: 700 26px/1.2 var(--emv-mono); color: var(--emv-brand); }
.emv-kpis .ok b { color: var(--emv-ok); }
.emv-kpis .warn b { color: var(--emv-warn); }
.emv-kpis .bad b { color: var(--emv-bad); }
.emv-kpis span { font-size: 11.5px; color: var(--emv-ink2); }
.emv-table-wrap { overflow-x: auto; }
.emv-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.emv-table th, .emv-table td { text-align: left; padding: 8px 9px; border-bottom: 1px solid var(--emv-line); }
.emv-table th { color: var(--emv-ink2); font-size: 11px; font-weight: 700; }
.emv-table td { font-family: var(--emv-mono); }
.emv-pill { display: inline-block; font-family: inherit; font-size: 11px; border-radius: 4px; padding: 2px 7px; }
.emv-pill.ok { background: #e4f5f0; color: var(--emv-ok); }
.emv-pill.warn { background: var(--emv-warm); color: var(--emv-warn); }
.emv-pill.bad { background: #fdeaea; color: var(--emv-bad); }
:root[data-theme="dark"] .emv-pill.ok { background: #1d3b35; }
:root[data-theme="dark"] .emv-pill.bad { background: #3b2427; }
.emv-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 14px; }
.emv-card { border: 1px solid var(--emv-line2); border-radius: 10px; padding: 15px; background: var(--emv-panel2); min-width: 0; }
.emv-card-top { display: flex; gap: 13px; align-items: center; }
.emv-ring { flex: 0 0 66px; width: 66px; height: 66px; }
.emv-ring circle { fill: none; stroke-width: 7; }
.emv-ring .bg { stroke: var(--emv-line); }
.emv-ring .fg { stroke: var(--emv-ok); stroke-linecap: round; transform: rotate(-90deg); transform-origin: 33px 33px; }
.emv-card.warn .emv-ring .fg { stroke: var(--emv-warn); }
.emv-card.bad .emv-ring .fg { stroke: var(--emv-bad); }
.emv-ring text { fill: var(--emv-ink); font: 700 17px var(--emv-mono); }
.emv-card h3 { font: 700 13px/1.5 var(--emv-mono); color: var(--emv-brand); word-break: break-all; }
.emv-card .emv-verdict { font-size: 12px; color: var(--emv-ink2); margin-top: 3px; }
.emv-checks { margin-top: 12px; border-top: 1px dashed var(--emv-line2); padding-top: 9px; }
.emv-checks li { display: flex; gap: 8px; font-size: 11.5px; color: var(--emv-ink2); padding: 3px 0; }
.emv-checks li i { font-style: normal; font-weight: 700; width: 14px; }
.emv-checks li.ok i { color: var(--emv-ok); }
.emv-checks li.bad i { color: var(--emv-bad); }
.emv-checks li span { flex: 1; min-width: 0; }
.emv-mx { margin-top: 10px; }
.emv-mx h4 { font-size: 11px; color: var(--emv-brand); margin-bottom: 5px; }
.emv-mx div { font: 10.5px/1.6 var(--emv-mono); color: var(--emv-ink2); word-break: break-all; }
.emv-card-note { font-size: 10.5px; line-height: 1.6; color: var(--emv-ink2); margin-top: 9px; border-top: 1px dotted var(--emv-line2); padding-top: 7px; }
.emv-toast { position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 14px); z-index: 130; background: var(--emv-ink); color: var(--emv-panel); border-radius: 7px; padding: 10px 17px; font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.emv-toast.is-show { opacity: 1; transform: translate(-50%, 0); }
:root[data-theme="dark"] .emv-btn-main { color: #16162b; }
@media (max-width: 980px) { .emv-hero { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 640px) {
    .emv-wrap { padding: 0 14px; }
    .emv-hero h1 { font-size: 31px; }
    .emv-sub { font-size: 14.5px; }
    .emv-result, .emv-details { padding: 14px; }
    .emv-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .emv-cards { grid-template-columns: minmax(0, 1fr); }
    .emv-table { min-width: 0; font-size: 10.5px; }
    .emv-table th, .emv-table td { padding: 6px 4px; }
    .emv-console-acts { flex-direction: column; }
    .emv-btn { width: 100%; }
}