.iq-page {
    --iq-good: var(--success);
    --iq-info: var(--primary);
    --iq-warn: var(--warning);
    --iq-danger: var(--danger);
}

.iq-hero {
    padding-top: clamp(30px, 5vw, 58px);
}

.iq-search {
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.iq-search .form-label {
    margin-bottom: 7px;
}

.iq-search .input-group-text {
    border-color: var(--border-strong);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 750;
    letter-spacing: .08em;
}

.iq-search .form-control {
    min-width: 0;
}

.iq-search .form-text {
    color: var(--muted);
    font-size: 12px;
}

.iq-search .btn {
    min-width: 76px;
}

.iq-alert {
    margin-bottom: 20px;
}

.iq-alert-icon {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border: 1px solid currentColor;
    border-radius: 7px;
    font-family: var(--font-mono);
    font-weight: 800;
}

.iq-summary-card,
.iq-info-card,
.iq-section-card {
    background: var(--surface);
}

.iq-summary-card {
    position: relative;
    overflow: hidden;
}

.iq-summary-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: var(--iq-good);
}

.iq-summary-card.risk-medium::before {
    background: var(--iq-warn);
}

.iq-summary-card.risk-high::before {
    background: var(--iq-danger);
}

.iq-page .badge {
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
}

.iq-meta-badge {
    background: var(--surface-subtle);
    color: var(--muted-strong);
}

.iq-type-badge {
    border-color: color-mix(in srgb, var(--primary) 25%, var(--border)) !important;
    background: var(--primary-soft);
    color: var(--primary);
}

.iq-confidence {
    border-color: color-mix(in srgb, var(--success) 25%, var(--border)) !important;
    background: var(--success-bg);
    color: var(--success);
}

.iq-status-badge {
    background: var(--surface-subtle);
    color: var(--muted-strong);
}

.iq-ip-row {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.iq-ip {
    overflow-wrap: anywhere;
    color: var(--heading);
    font-family: var(--font-mono);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 650;
    letter-spacing: -.045em;
    line-height: 1.15;
}

.copy-button {
    min-height: 32px;
    flex: 0 0 auto;
}

.iq-resolved,
.iq-summary-links {
    color: var(--muted);
    font-size: 12px;
}

.iq-resolved span {
    margin: 0 5px;
    color: var(--primary);
}

.iq-location {
    color: var(--text);
    font-size: 15px;
}

.iq-location::before {
    content: "位置 / ";
    color: var(--muted);
    font-size: 12px;
}

.iq-summary-links a {
    color: var(--primary);
}

.iq-text-button {
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--primary);
    font: inherit;
    cursor: pointer;
}

.iq-text-button:hover {
    color: var(--primary-hover);
}

.iq-score-panel {
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(22px, 3vw, 34px);
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface-subtle);
}

.iq-score-circle {
    min-width: 104px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    align-self: stretch;
    padding-right: 24px;
    border-right: 1px solid var(--border);
    text-align: center;
}

.iq-score-circle strong {
    color: var(--primary);
    font-family: var(--font-display);
    font-size: 52px;
    font-weight: 700;
    letter-spacing: -.05em;
    line-height: 1;
}

.iq-score-circle span,
.iq-score-label {
    margin-top: 7px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.iq-score-copy {
    min-width: 160px;
}

.iq-score-copy h3 {
    margin: 3px 0;
    color: var(--heading);
    font-size: 22px;
    font-weight: 650;
}

.iq-score-copy p {
    color: var(--muted);
    font-size: 12px;
}

.iq-risk-spectrum {
    margin-top: 13px;
}

.iq-spectrum-head,
.iq-spectrum-labels {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.iq-spectrum-head {
    margin-bottom: 7px;
    color: var(--muted);
    font-size: 11px;
}

.iq-spectrum-head strong {
    color: var(--muted-strong);
    font-family: var(--font-mono);
    font-size: 11px;
}

.iq-spectrum-track {
    position: relative;
    height: 8px;
    display: flex;
    gap: 2px;
}

.iq-spectrum-track span {
    display: block;
    min-width: 4px;
    border-radius: 2px;
}

.iq-tier-1 { width: 15%; background: color-mix(in srgb, var(--success) 90%, var(--surface)); }
.iq-tier-2 { width: 10%; background: color-mix(in srgb, var(--success) 58%, var(--surface)); }
.iq-tier-3 { width: 15%; background: color-mix(in srgb, var(--warning) 42%, var(--surface)); }
.iq-tier-4 { width: 10%; background: color-mix(in srgb, var(--warning) 70%, var(--surface)); }
.iq-tier-5 { width: 20%; background: color-mix(in srgb, var(--danger) 58%, var(--surface)); }
.iq-tier-6 { width: 30%; background: color-mix(in srgb, var(--danger) 90%, var(--surface)); }

.iq-spectrum-track i {
    position: absolute;
    top: -4px;
    width: 2px;
    height: 16px;
    transform: translateX(-1px);
    border-radius: 2px;
    background: var(--heading);
    box-shadow: 0 0 0 2px var(--surface-subtle);
}

.iq-spectrum-labels {
    margin-top: 6px;
    color: var(--muted);
    font-size: 11px;
}

.iq-info-card .card-header,
.iq-section-card .card-header {
    padding: 14px 17px;
    font-size: 13px;
    font-weight: 700;
}

.iq-card-index {
    margin-right: 8px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 11px;
}

.iq-info-card .card-body {
    padding: 17px;
}

.iq-data-list > div {
    display: grid;
    grid-template-columns: minmax(88px, .7fr) minmax(0, 1.3fr);
    gap: 14px;
    padding: 11px 0;
    border-bottom: 1px solid var(--border);
}

.iq-data-list > div:last-child {
    border-bottom: 0;
}

.iq-data-list dt {
    color: var(--muted);
    font-size: 12px;
    font-weight: 500;
}

.iq-data-list dd {
    margin: 0;
    overflow-wrap: anywhere;
    color: var(--text);
    text-align: right;
    font-size: 12px;
    font-weight: 650;
}

.iq-data-list-compact > div {
    padding: 9px 0;
}

.iq-mono {
    font-family: var(--font-mono);
    font-size: 11px !important;
}

.iq-classification {
    padding: 15px 16px;
    border: 1px solid var(--border);
    border-left: 2px solid var(--primary);
    border-radius: 8px;
    background: var(--surface-subtle);
}

.iq-classification small {
    display: block;
    color: var(--muted);
    font-size: 11px;
}

.iq-classification strong {
    display: block;
    margin-top: 3px;
    color: var(--heading);
    font-size: 18px;
}

.iq-note {
    color: var(--muted);
    font-size: 11px;
    line-height: 1.65;
}

.iq-environment-card {
    overflow: hidden;
}

.iq-environment-intro {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.iq-environment-intro h3 {
    margin: 0 0 7px;
    color: var(--heading);
    font-size: 18px;
    font-weight: 650;
}

.iq-environment-intro p {
    max-width: 760px;
    margin: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.65;
}

.iq-environment-button {
    min-width: 136px;
    flex: 0 0 auto;
}

.iq-environment-button[aria-busy="true"] {
    cursor: wait;
}

.iq-environment-status {
    display: grid;
    grid-template-columns: 8px auto minmax(0, 1fr);
    align-items: center;
    gap: 9px;
    margin-top: 18px;
    padding: 11px 13px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface-subtle);
    color: var(--muted);
    font-size: 11px;
}

.iq-environment-status i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--muted);
}

.iq-environment-status strong {
    color: var(--muted-strong);
    font-size: 11px;
}

.iq-environment-status[data-state="loading"] i {
    background: var(--primary);
    animation: iq-environment-pulse 1s ease-in-out infinite;
}

.iq-environment-status[data-state="clean"] i {
    background: var(--iq-good);
}

.iq-environment-status[data-state="warn"] i {
    background: var(--iq-warn);
}

.iq-environment-status[data-state="unknown"] i {
    background: var(--muted);
}

.iq-environment-result {
    margin-top: 18px;
}

.iq-environment-verdict {
    margin-bottom: 15px;
    padding: 16px 17px;
    border: 1px solid var(--border);
    border-left: 3px solid var(--muted);
    border-radius: 8px;
    background: var(--surface-subtle);
}

.iq-environment-verdict[data-state="clean"] {
    border-left-color: var(--iq-good);
}

.iq-environment-verdict[data-state="warn"] {
    border-left-color: var(--iq-warn);
}

.iq-environment-verdict small {
    display: block;
    margin-bottom: 3px;
    color: var(--muted);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.iq-environment-verdict strong {
    color: var(--heading);
    font-size: 18px;
}

.iq-environment-verdict p {
    margin: 5px 0 0;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.6;
}

.iq-stun-panel {
    margin-bottom: 15px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface-subtle);
}

.iq-stun-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 22px;
    padding: 17px 18px;
    border-bottom: 1px solid var(--border);
}

.iq-stun-heading small {
    display: block;
    margin-bottom: 3px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .1em;
}

.iq-stun-heading h4 {
    margin: 0;
    color: var(--heading);
    font-size: 18px;
    font-weight: 650;
}

.iq-stun-current {
    display: flex;
    align-items: baseline;
    justify-content: flex-end;
    gap: 9px;
    min-width: 0;
    color: var(--muted);
    font-size: 11px;
}

.iq-stun-current strong {
    overflow-wrap: anywhere;
    color: var(--primary);
    font-family: var(--font-mono);
    font-size: 13px;
}

.iq-stun-current em {
    color: var(--muted);
    font-style: normal;
}

.iq-stun-table-wrap {
    overflow-x: auto;
}

.iq-stun-table {
    width: 100%;
    min-width: 660px;
    border-collapse: collapse;
}

.iq-stun-table th,
.iq-stun-table td {
    padding: 15px 18px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
}

.iq-stun-table tr:last-child td {
    border-bottom: 0;
}

.iq-stun-table th {
    background: color-mix(in srgb, var(--surface) 72%, var(--surface-subtle));
    color: var(--heading);
    font-size: 12px;
    font-weight: 750;
}

.iq-stun-table th:first-child,
.iq-stun-table td:first-child {
    width: 56%;
}

.iq-stun-table code {
    display: block;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 12px;
    white-space: nowrap;
}

.iq-stun-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.iq-stun-tag {
    padding: 3px 7px;
    border-radius: 5px;
    font-size: 10px;
    font-weight: 650;
}

.iq-stun-tag-china {
    background: color-mix(in srgb, var(--success) 22%, var(--surface));
    color: var(--success);
}

.iq-stun-tag-global {
    background: color-mix(in srgb, var(--primary) 18%, var(--surface));
    color: var(--primary);
}

.iq-stun-tag-vendor {
    background: var(--surface);
    color: var(--muted-strong);
}

.iq-stun-result {
    color: var(--muted);
    font-size: 11px;
    font-weight: 650;
}

.iq-stun-result[data-state="clean"] {
    color: var(--iq-good);
}

.iq-stun-result[data-state="warn"] {
    color: var(--iq-danger);
}

.iq-stun-result a {
    color: inherit;
    font-family: var(--font-mono);
    font-size: 13px;
    text-decoration: none;
}

.iq-stun-result a:hover {
    text-decoration: underline;
}

.iq-stun-result small {
    display: block;
    margin-top: 4px;
    color: var(--muted);
    font-weight: 500;
}

.iq-stun-result-mark {
    width: 18px;
    height: 18px;
    display: inline-grid;
    place-items: center;
    margin-right: 7px;
    border-radius: 50%;
    background: var(--iq-good);
    color: var(--surface);
    font-size: 11px;
}

.iq-environment-item {
    min-height: 142px;
    padding: 16px;
    border: 1px solid var(--border);
    border-top: 2px solid var(--muted);
    border-radius: 8px;
    background: var(--surface-subtle);
}

.iq-environment-item[data-state="clean"] {
    border-top-color: var(--iq-good);
}

.iq-environment-item[data-state="warn"] {
    border-top-color: var(--iq-warn);
}

.iq-environment-item-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.iq-environment-item h4 {
    margin: 0;
    color: var(--muted-strong);
    font-size: 12px;
    font-weight: 650;
}

.iq-environment-item-state {
    padding: 3px 6px;
    border-radius: 5px;
    background: var(--surface);
    color: var(--muted);
    font-size: 10px;
    font-weight: 700;
}

.iq-environment-item[data-state="clean"] .iq-environment-item-state {
    background: var(--success-bg);
    color: var(--iq-good);
}

.iq-environment-item[data-state="warn"] .iq-environment-item-state {
    background: var(--warning-bg);
    color: var(--iq-warn);
}

.iq-environment-item > strong {
    display: block;
    margin-top: 17px;
    overflow-wrap: anywhere;
    color: var(--heading);
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 650;
}

.iq-environment-item > p {
    margin: 7px 0 0;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.55;
}

.iq-environment-privacy {
    margin-top: 14px;
    color: var(--muted);
    font-size: 10px;
    line-height: 1.6;
}

@keyframes iq-environment-pulse {
    0%, 100% { opacity: .35; transform: scale(.82); }
    50% { opacity: 1; transform: scale(1); }
}

.iq-section-card .card-header small {
    color: var(--muted);
    font-weight: 400;
}

.iq-signal {
    min-height: 118px;
    display: grid;
    grid-template-columns: 9px minmax(0, 1fr) auto;
    align-items: start;
    gap: 11px;
    padding: 16px;
    border: 1px solid var(--border);
    border-left: 2px solid var(--iq-good);
    border-radius: 8px;
    background: var(--surface-subtle);
}

.iq-signal-icon i {
    display: block;
    width: 6px;
    height: 6px;
    margin-top: 5px;
    border-radius: 50%;
    background: var(--iq-good);
}

.iq-signal-body h3 {
    margin: 0;
    color: var(--heading);
    font-size: 13px;
}

.iq-signal-body p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.55;
}

.iq-signal > strong {
    color: var(--iq-good);
    font-size: 11px;
    white-space: nowrap;
}

.iq-signal-danger {
    border-left-color: var(--iq-danger);
}

.iq-signal-danger .iq-signal-icon i {
    background: var(--iq-danger);
}

.iq-signal-danger > strong {
    color: var(--iq-danger);
}

.iq-signal-warn {
    border-left-color: var(--iq-warn);
}

.iq-signal-warn .iq-signal-icon i {
    background: var(--iq-warn);
}

.iq-signal-warn > strong {
    color: var(--iq-warn);
}

.iq-signal-info {
    border-left-color: var(--iq-info);
}

.iq-signal-info .iq-signal-icon i {
    background: var(--iq-info);
}

.iq-signal-info > strong {
    color: var(--iq-info);
}

.iq-signal-unknown {
    border-left-color: var(--muted);
}

.iq-signal-unknown .iq-signal-icon i {
    background: var(--muted);
}

.iq-signal-unknown > strong {
    color: var(--muted);
}

.iq-scenario {
    min-height: 210px;
    display: flex;
    flex-direction: column;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface-subtle);
}

.iq-scenario h3 {
    margin: 0;
    color: var(--heading);
    font-size: 14px;
}

.iq-scenario > div span {
    color: var(--muted);
    font-size: 11px;
}

.iq-stars {
    margin: 23px 0 8px;
    color: var(--iq-good);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .06em;
}

.iq-scenario > strong {
    color: var(--iq-good);
    font-size: 13px;
}

.iq-scenario > p {
    margin: auto 0 0;
    padding-top: 16px;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.6;
}

.iq-scenario-warn .iq-stars,
.iq-scenario-warn > strong {
    color: var(--iq-warn);
}

.iq-scenario-danger .iq-stars,
.iq-scenario-danger > strong {
    color: var(--iq-danger);
}

.iq-scenario-info .iq-stars,
.iq-scenario-info > strong {
    color: var(--iq-info);
}

@media (max-width: 575.98px) {
    .iq-search {
        padding: 14px;
    }

    .iq-search .input-group {
        display: grid;
        grid-template-columns: auto minmax(0, 1fr);
    }

    .iq-search .input-group-text {
        grid-row: 1;
        grid-column: 1;
    }

    .iq-search .form-control {
        grid-row: 1;
        grid-column: 2;
        width: 100%;
    }

    .iq-search .btn {
        grid-column: 1 / -1;
        width: 100%;
        margin-top: 8px;
        border-radius: 8px !important;
    }

    .iq-score-panel {
        align-items: stretch;
        flex-direction: column;
        padding: 18px;
    }

    .iq-score-circle {
        min-width: 0;
        align-self: auto;
        padding: 0 0 18px;
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }

    .iq-score-circle strong {
        font-size: 44px;
    }

    .iq-score-copy {
        min-width: 0;
    }

    .iq-ip-row {
        align-items: flex-start;
    }

    .iq-ip {
        font-size: clamp(25px, 9vw, 36px);
    }

    .iq-summary-links {
        flex-direction: column;
        gap: 7px !important;
    }

    .iq-environment-intro {
        align-items: stretch;
        flex-direction: column;
        gap: 15px;
    }

    .iq-environment-button {
        width: 100%;
    }

    .iq-stun-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 11px;
    }

    .iq-stun-current {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .iq-environment-status {
        grid-template-columns: 8px minmax(0, 1fr);
    }

    .iq-environment-status span {
        grid-column: 2;
    }

}