.page-tools {
    background: radial-gradient(circle at 12% 5%, rgba(79, 103, 232, 0.12), transparent 28rem),
    radial-gradient(circle at 90% 18%, rgba(22, 163, 148, 0.1), transparent 25rem),
    var(--site-color-page);
}

.tool-hub {
    width: min(calc(100% - 40px), var(--site-tool-width));
    margin: 0 auto;
    padding: clamp(56px, 7vw, 88px) 0 64px;
}

.tool-hub__intro {
    max-width: 680px;
    margin-bottom: 36px;
}

.tool-hub h1,
.triangulation-panel h1 {
    margin: 16px 0 12px;
    color: var(--site-color-text);
    font-size: clamp(32px, 4.5vw, 46px);
    line-height: 1.14;
    letter-spacing: -0.015em;
}

.tool-hub__intro p,
.triangulation-panel__header p {
    margin: 0;
    color: var(--site-color-text-muted);
    font-size: 17px;
    line-height: 1.75;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.tool-card {
    display: grid;
    grid-template-columns: 52px minmax(0, 1fr) auto;
    align-items: center;
    gap: 16px;
    min-height: 154px;
    padding: 24px;
    border-radius: var(--site-radius-xl);
    color: inherit;
    text-decoration: none;
    transition: transform var(--site-transition-fast), border-color var(--site-transition-fast), box-shadow var(--site-transition-fast);
}

.tool-card:hover,
.tool-card:focus-visible {
    color: inherit;
    border-color: rgba(79, 103, 232, 0.35);
    box-shadow: var(--site-shadow-md);
    transform: translateY(-3px);
    text-decoration: none;
}

.tool-card:focus-visible {
    outline: 3px solid rgba(79, 103, 232, 0.24);
    outline-offset: 3px;
}

.tool-card__icon {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    color: var(--site-color-primary);
    background: rgba(79, 103, 232, 0.1);
    font-size: 22px;
    font-weight: 800;
}

.tool-card--primary .tool-card__icon {
    color: #fff;
    background: linear-gradient(135deg, var(--site-color-primary), #7487f2);
}

.tool-card__content {
    display: grid;
    gap: 7px;
}

.tool-card__content strong {
    color: var(--site-color-text);
    font-size: 19px;
}

.tool-card__content span {
    color: var(--site-color-text-muted);
    font-size: 14px;
    line-height: 1.65;
}

.tool-card__arrow {
    color: var(--site-color-primary);
    font-size: 24px;
}

.tool-hub__note {
    margin: 24px 0 0;
    color: var(--site-color-text-muted);
    text-align: center;
}

.tool-shortcuts {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.tool-shortcuts__label {
    margin-right: 2px;
    color: var(--site-color-text-muted);
    font-size: 14px;
    font-weight: 700;
}

.tool-shortcuts a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--site-touch-target);
    padding: 8px 13px;
    border: 1px solid var(--site-color-border);
    border-radius: var(--site-radius-pill);
    color: var(--site-color-text-secondary);
    background: rgba(255, 255, 255, 0.76);
    font-weight: 650;
    text-decoration: none;
}

.tool-shortcuts a:hover,
.tool-shortcuts a:focus-visible {
    color: var(--site-color-primary-dark);
    border-color: rgba(79, 103, 232, 0.3);
    background: var(--site-color-primary-soft);
    text-decoration: none;
}

.tool-hub__note a {
    display: inline-flex;
    min-height: var(--site-touch-target);
    margin-left: 4px;
    padding: 8px 12px;
    align-items: center;
    border-radius: var(--site-radius-pill);
    color: var(--site-color-primary-dark);
    background: var(--site-color-primary-soft);
    font-weight: 700;
}


.triangulation-workspace {
    display: grid;
    grid-template-columns: minmax(350px, 410px) minmax(0, 1fr);
    gap: 16px;
    width: min(calc(100% - 32px), var(--site-wide-width));
    min-height: calc(100vh - var(--site-header-height) - 32px);
    min-height: calc(100dvh - var(--site-header-height) - 32px);
    margin: 16px auto;
}

.page-tool-triangulation #location,
.page-tool-triangulation #allmap {
    float: none !important;
    width: auto !important;
    height: calc(100vh - var(--site-header-height) - 32px) !important;
    height: calc(100dvh - var(--site-header-height) - 32px) !important;
    min-height: min(650px, calc(100dvh - var(--site-header-height) - 32px));
    margin: 0 !important;
    border: 1px solid var(--site-color-border);
    border-radius: var(--site-radius-lg);
    background: #fff;
    box-shadow: var(--site-shadow-sm);
}

.page-tool-triangulation #location {
    padding: 24px;
    overflow-y: auto;
}

.page-tool-triangulation #allmap {
    overflow: hidden;
    scroll-margin-top: calc(var(--site-header-height) + 10px);
}

.triangulation-panel__header {
    margin-bottom: 22px;
}

.triangulation-map-jump {
    display: none;
}

.triangulation-panel h1 {
    margin-top: 12px;
    font-size: 30px;
}

.triangulation-panel__header p {
    font-size: 14px;
}

.triangulation-form {
    display: grid;
    gap: 14px;
}

.coordinate-group {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 9px;
    min-width: 0;
    margin: 0;
    padding: 14px;
    border: 1px solid var(--site-color-border);
    border-radius: var(--site-radius-md);
    background: #fafbff;
}

.coordinate-group:nth-of-type(1) {
    border-left: 3px solid #2563eb;
}

.coordinate-group:nth-of-type(2) {
    border-left: 3px solid #f97316;
}

.coordinate-group:nth-of-type(3) {
    border-left: 3px solid #7c3aed;
}

.coordinate-group legend {
    grid-column: 1 / -1;
    width: auto;
    margin: 0;
    padding: 0;
    border: 0;
    color: var(--site-color-text);
    font-size: 14px;
    font-weight: 750;
}

.coordinate-group label {
    min-width: 0;
    margin: 0;
    color: var(--site-color-text-muted);
    font-size: 12px;
    font-weight: 650;
}

.coordinate-group .form-control {
    margin: 6px 0 0 !important;
    padding: 8px 9px;
    border-radius: var(--site-radius-sm);
    font-size: 13px;
}

.triangulation-submit,
.triangulation-share {
    width: 100%;
    min-height: var(--site-touch-target);
    margin: 0 !important;
    border-radius: var(--site-radius-sm);
    font-weight: 700;
}

.triangulation-submit {
    border: 0;
    color: #fff;
    background: var(--site-color-primary);
}

.triangulation-share-status {
    min-height: 20px;
    margin: -2px 0 0;
    color: var(--site-color-text-muted);
    font-size: 13px;
    line-height: 1.5;
    text-align: center;
}

.triangulation-share-status:empty {
    display: none;
}

.map-interaction-hint {
    margin: 0;
    padding: 10px 12px;
    border-radius: var(--site-radius-sm);
    color: var(--site-color-text-muted);
    background: var(--site-color-surface-soft);
    font-size: 12px;
    line-height: 1.6;
    text-align: left;
}

.triangulation-share-url {
    width: 100%;
    min-height: 42px;
    padding: 9px 11px;
    border: 1px solid var(--site-color-border);
    border-radius: var(--site-radius-sm);
    color: var(--site-color-text);
    background: var(--site-color-surface-soft);
    font-size: 14px;
}

.triangulation-share-url[hidden] {
    display: none;
}

.triangulation-share {
    color: var(--site-color-primary);
    background: rgba(79, 103, 232, 0.09);
}

.center-result {
    padding: 15px;
    border-radius: var(--site-radius-md);
    background: rgba(22, 163, 148, 0.08);
}

.triangulation-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    color: var(--site-color-text-muted);
    font-size: 12px;
    font-weight: 700;
}

.triangulation-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.triangulation-legend i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.triangulation-legend .is-region-1 {
    background: #2563eb;
}

.triangulation-legend .is-region-2 {
    background: #f97316;
}

.triangulation-legend .is-region-3 {
    background: #7c3aed;
}

.center-result--error {
    color: #9f2d20;
    background: rgba(192, 57, 43, 0.08);
}

.center-result--error h2 {
    color: #9f2d20;
}

.center-result--error p {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
}

.center-result h2 {
    margin: 0 0 10px;
    color: #0f766e;
    font-size: 15px;
}

.center-result dl {
    display: grid;
    gap: 6px;
    margin: 0;
}

.center-result dl > div {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 8px;
    font-size: 13px;
    line-height: 1.5;
}

.center-result dt {
    color: var(--site-color-text-muted);
}

.center-result dd {
    margin: 0;
    overflow-wrap: anywhere;
}

@media (max-width: 900px) {
    .triangulation-map-jump {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: var(--site-touch-target);
        margin: -8px 0 14px;
        padding: 8px 13px;
        border: 1px solid var(--site-color-border);
        border-radius: var(--site-radius-pill);
        color: var(--site-color-primary-dark);
        background: var(--site-color-primary-soft);
        font-weight: 700;
        text-decoration: none;
    }

    /* 兼容桌面窗口直接缩窄：已创建的百度地图右上角控件也同步精简。 */
    .triangulation-workspace #allmap .anchorTR {
        display: none !important;
    }

    .tool-hub {
        width: min(calc(100% - 28px), 600px);
        padding: 44px 0 48px;
    }

    .tool-grid {
        grid-template-columns: 1fr;
    }

    .tool-card {
        min-height: 132px;
        padding: 20px;
    }

    .triangulation-workspace {
        grid-template-columns: 1fr;
        width: min(calc(100% - 20px), 600px);
        margin: 10px auto 24px;
    }

    .page-tool-triangulation #location,
    .page-tool-triangulation #allmap {
        display: block !important;
        width: 100% !important;
        height: auto !important;
        min-height: 0;
    }

    .page-tool-triangulation #location {
        padding: 20px;
        overflow: visible;
    }

    .coordinate-group .form-control {
        height: var(--site-control-height) !important;
        min-height: var(--site-control-height);
        font-size: 16px;
    }

    .page-tool-triangulation #allmap {
        height: clamp(300px, 55dvh, 440px) !important;
        min-height: 300px;
    }
}

@media (max-width: 420px) {
    .tool-hub h1 {
        font-size: 34px;
    }

    .tool-shortcuts {
        justify-content: flex-start;
    }

    .tool-shortcuts__label {
        flex-basis: 100%;
    }

    .tool-card {
        grid-template-columns: 46px minmax(0, 1fr);
        gap: 14px;
        min-height: 116px;
        padding: 18px;
    }

    .tool-card__content {
        gap: 4px;
    }

    .tool-card:active {
        transform: translateY(1px);
    }

    .tool-card__icon {
        width: 46px;
        height: 46px;
        border-radius: var(--site-radius-md);
    }

    .tool-card__arrow {
        display: none;
    }

    .coordinate-group {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .coordinate-group label:last-child {
        grid-column: 1 / -1;
    }

    .coordinate-group label {
        font-size: 13px;
    }

    .coordinate-group .form-control {
        height: var(--site-control-height) !important;
        min-height: var(--site-control-height);
        font-size: 16px;
    }
}

@media (min-width: 700px) and (max-width: 900px) and (max-height: 500px) and (orientation: landscape) {
    .triangulation-workspace {
        grid-template-columns: minmax(330px, 44%) minmax(0, 1fr);
        width: min(calc(100% - 20px), 1000px);
        min-height: calc(100dvh - var(--site-header-height) - 20px);
        margin: 10px auto;
    }

    .page-tool-triangulation #location,
    .page-tool-triangulation #allmap {
        height: calc(100dvh - var(--site-header-height) - 20px) !important;
        min-height: 260px;
    }

    .page-tool-triangulation #location {
        overflow-y: auto;
    }
}

@media (max-width: 360px) {
    .tool-hub h1 {
        font-size: 30px;
        letter-spacing: 0;
    }
}