/* 追问真人老师 · 国风移动端 */
:root {
    --at-page: #fdf8f0;
    --at-card: #ffffff;
    --at-ink: #3d3428;
    --at-muted: #8a8074;
    --at-gold: #d4a356;
    --at-gold-deep: #b8842f;
    --at-line: rgba(120, 100, 70, 0.14);
    --at-price-bg: #fff9e8;
}

[hidden] {
    display: none !important;
}

.at-body {
    min-height: 100vh;
    margin: 0;
    font-family: 'Microsoft YaHei', 'PingFang SC', system-ui, sans-serif;
    color: var(--at-ink);
    background: var(--at-page);
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
}

.at-body .main.at-shell {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
}

.at-topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    display: grid;
    grid-template-columns: 2.5rem 1fr 2.5rem;
    align-items: center;
    padding: 0.55rem 0.75rem;
    padding-top: calc(0.55rem + env(safe-area-inset-top));
    background: color-mix(in srgb, var(--at-page) 92%, white 8%);
    border-bottom: 1px solid var(--at-line);
    backdrop-filter: blur(8px);
}

.at-back {
    width: 2.35rem;
    height: 2.35rem;
    border: none;
    border-radius: 50%;
    background: transparent;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
    padding: 0;
    color: #5c5348;
}

.at-title {
    margin: 0;
    text-align: center;
    font-size: 1.02rem;
    font-weight: 700;
    color: #4a4339;
}

.at-topbar-spacer {
    width: 2.35rem;
}

.at-main {
    max-width: 920px;
    margin: 0 auto;
    padding: 1rem 1.1rem 1.5rem;
}

.at-hero {
    text-align: center;
    margin-bottom: 1.1rem;
}

.at-avatar {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(212, 163, 86, 0.45);
    box-shadow: 0 6px 18px rgba(180, 130, 50, 0.18);
}

.at-avatar--placeholder {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #f8edd8, #e8c88a);
    color: #6b4a1e;
    font-size: 1.65rem;
    font-weight: 800;
}

.at-hero-title {
    margin: 0.75rem 0 0.35rem;
    font-size: 1.12rem;
    font-weight: 800;
    color: #4a3520;
}

.at-hero-sub {
    margin: 0.75rem auto 0;
    max-width: 22rem;
    font-size: 0.82rem;
    color: var(--at-muted);
    line-height: 1.55;
    text-align: center;
}

.at-hero-sub--highlight {
    max-width: 100%;
    padding: 0.72rem 0.85rem;
    font-size: 0.88rem;
    font-weight: 800;
    color: #5c3a12;
    line-height: 1.6;
    background: linear-gradient(135deg, rgba(255, 236, 196, 0.95) 0%, rgba(255, 220, 150, 0.88) 100%);
    border: 1.5px solid rgba(212, 163, 86, 0.65);
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(180, 130, 50, 0.14);
}

.at-features {
    background: var(--at-card);
    border-radius: 14px;
    padding: 0.95rem 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 8px 24px rgba(80, 60, 30, 0.06);
}

.at-features--notice {
    padding: 0.85rem 0.95rem;
}

.at-cooperate-notice {
    margin: 0;
    font-size: 0.86rem;
    font-weight: 600;
    color: #3d3428;
    line-height: 1.65;
    text-align: left;
}

.at-cooperate-notice__wx {
    font-weight: 800;
    color: #b45309;
    letter-spacing: 0.02em;
}

.at-feature {
    display: grid;
    grid-template-columns: 1.1rem 1fr;
    gap: 0.55rem 0.65rem;
    align-items: start;
    padding: 0.45rem 0;
}

.at-feature + .at-feature {
    border-top: 1px solid var(--at-line);
}

.at-feature__check {
    color: #3cb371;
    font-size: 0.95rem;
    line-height: 1.35;
    font-weight: 700;
}

.at-feature__title {
    margin: 0;
    font-size: 0.9rem;
    font-weight: 700;
    color: #3d3428;
}

.at-feature__desc {
    margin: 0.15rem 0 0;
    grid-column: 2;
    font-size: 0.78rem;
    color: var(--at-muted);
    line-height: 1.45;
}

.at-plans {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    margin-bottom: 0.85rem;
}

.at-plans--teacher {
    margin-bottom: 0;
}

.at-teacher-catalog {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    margin-bottom: 0.85rem;
}

.at-teacher-card {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    min-width: 0;
    background: var(--at-card);
    border: 1.5px solid var(--at-line);
    border-radius: 16px;
    padding: 0.85rem 0.75rem 0.7rem;
    box-shadow: 0 8px 24px rgba(80, 60, 30, 0.06);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.at-teacher-card--active {
    border-color: var(--at-gold);
    box-shadow: 0 0 0 2px rgba(212, 163, 86, 0.22);
}

.at-teacher-card__head {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.45rem;
}

.at-teacher-card__avatar {
    width: 3rem;
    height: 3rem;
    font-size: 1.15rem;
}

.at-teacher-card__name {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 800;
    color: #4a3520;
}

.at-teacher-card__tag {
    margin: 0;
    font-size: 0.68rem;
    color: var(--at-muted);
    line-height: 1.45;
}

.at-teacher-card__single {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    width: 100%;
    padding: 0.65rem 0.55rem;
    border: 1px solid rgba(212, 163, 86, 0.35);
    border-radius: 12px;
    background: linear-gradient(180deg, #fffdf8 0%, #fff9e8 100%);
    cursor: pointer;
    font-family: inherit;
}

.at-teacher-card__single-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: #5c5348;
}

.at-teacher-card__single-price {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--at-gold-deep);
}

.at-teacher-card--active .at-teacher-card__single {
    border-color: var(--at-gold);
    box-shadow: inset 0 0 0 1px rgba(212, 163, 86, 0.25);
}

.at-teacher-card__more {
    width: 100%;
    padding: 0.45rem 0.5rem;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: #9a6b1a;
    font-size: 0.74rem;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.at-teacher-card__more:hover {
    color: #7a5510;
}

.at-plans-modal-backdrop {
    z-index: 210;
    align-items: center;
    justify-items: center;
    padding: 1rem;
}

.at-plans-modal {
    width: min(100%, 28rem);
    max-height: min(86vh, 640px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.at-plans-modal__head {
    flex-shrink: 0;
}

.at-plans-modal__list {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    padding: 0 0.15rem 0.35rem;
}

.at-plans-modal__list .at-plan__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
}

.at-plans-modal__list .at-plan__name {
    font-size: 0.84rem;
}

.at-plans-modal__list .at-plan__price {
    font-size: 0.95rem;
    white-space: normal;
}

.at-plans-modal__list .at-plan__hint {
    font-size: 0.74rem;
}

/* 旧版 teacher-block 保留兼容 */
.at-teacher-block {
    flex: 1 1 0;
    min-width: 0;
    background: var(--at-card);
    border: 1px solid var(--at-line);
    border-radius: 16px;
    padding: 0.85rem 0.7rem 0.75rem;
    box-shadow: 0 8px 24px rgba(80, 60, 30, 0.06);
}

.at-teacher-head {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.45rem;
    margin-bottom: 0.65rem;
    padding-bottom: 0.65rem;
    border-bottom: 1px solid var(--at-line);
}

.at-teacher-head__avatar {
    width: 3rem;
    height: 3rem;
    flex: 0 0 auto;
    font-size: 1.15rem;
}

.at-teacher-head__meta {
    min-width: 0;
}

.at-teacher-head__name {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 800;
    color: #4a3520;
}

.at-teacher-head__tag {
    margin: 0;
    font-size: 0.68rem;
    color: var(--at-muted);
    line-height: 1.4;
}

.at-teacher-block .at-plan {
    padding: 0.62rem 0.65rem;
}

.at-teacher-block .at-plan__name {
    font-size: 0.78rem;
}

.at-teacher-block .at-plan__name-sub {
    font-size: 0.66rem;
}

.at-teacher-block .at-plan__price {
    font-size: 0.88rem;
}

.at-teacher-block .at-plan__hint {
    font-size: 0.68rem;
}

.at-teacher-block .at-plan__row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
}

.at-teacher-block .at-plan__price {
    white-space: normal;
}

.at-selected-teacher {
    margin: 0 0 0.65rem;
    padding: 0.55rem 0.75rem;
    border-radius: 10px;
    background: rgba(255, 236, 196, 0.55);
    border: 1px solid rgba(212, 163, 86, 0.45);
    font-size: 0.82rem;
    font-weight: 700;
    color: #5c3a12;
    text-align: center;
}

.at-qr-panel__teacher {
    margin: 0 0 0.65rem;
    font-size: 1.05rem;
    font-weight: 800;
    color: #4a3520;
}

.at-plan {
    display: block;
    width: 100%;
    text-align: left;
    border: 1.5px solid var(--at-line);
    border-radius: 12px;
    background: var(--at-card);
    padding: 0.75rem 0.85rem;
    cursor: pointer;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.at-plan--active {
    border-color: var(--at-gold);
    box-shadow: 0 0 0 2px rgba(212, 163, 86, 0.22);
    background: #fffdf8;
}

.at-plan__row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.5rem;
}

.at-plan__name {
    margin: 0;
    font-size: 0.88rem;
    font-weight: 700;
    color: #3d3428;
    flex: 1 1 auto;
    min-width: 0;
    line-height: 1.4;
    text-align: left;
}

.at-plan__name-sub {
    display: block;
    margin-top: 0.12rem;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--at-muted);
    line-height: 1.35;
}

.at-plan__price {
    margin: 0;
    font-size: 1rem;
    font-weight: 800;
    color: var(--at-gold-deep);
    white-space: nowrap;
}

.at-plan__hint {
    margin: 0.25rem 0 0;
    font-size: 0.76rem;
    color: var(--at-muted);
    line-height: 1.4;
}

.at-plan-extras {
    margin-bottom: 0.85rem;
    padding: 0.85rem 0.9rem;
    border: 1px solid var(--at-line);
    border-radius: 12px;
    background: #fffdf8;
}

.at-plan-extras__title {
    margin: 0 0 0.55rem;
    font-size: 0.82rem;
    font-weight: 700;
    color: #3d3428;
}

.at-plan-extras__title + .at-plan-extras__title {
    margin-top: 0.85rem;
}

.at-plan-extras__hint {
    margin: 0.35rem 0 0;
    font-size: 0.76rem;
    color: var(--at-muted);
}

.at-plan-extras__error {
    margin: 0.65rem 0 0;
    padding: 0.5rem 0.65rem;
    border-radius: 8px;
    font-size: 0.78rem;
    color: #8b3228;
    background: rgba(220, 80, 60, 0.1);
    border: 1px solid rgba(180, 60, 50, 0.22);
}

.at-topic-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem;
}

.at-topic-chip {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.35rem;
    padding: 0.45rem 0.55rem;
    border: 1.5px solid var(--at-line);
    border-radius: 10px;
    background: var(--at-card);
    font-size: 0.8rem;
    font-weight: 600;
    color: #3d3428;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

.at-topic-chip input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.at-topic-chip--checked {
    border-color: var(--at-gold);
    background: rgba(232, 192, 120, 0.18);
    color: #4a3520;
}

.at-topic-chip--disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.at-question-list {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.at-question-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.at-question-field__label {
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--at-muted);
}

.at-question-field__input {
    width: 100%;
    box-sizing: border-box;
    min-height: 2.35rem;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--at-line);
    border-radius: 10px;
    font-size: 0.84rem;
    color: #3d3428;
    background: #fff;
}

.at-question-field__input:focus {
    outline: none;
    border-color: var(--at-gold);
    box-shadow: 0 0 0 2px rgba(212, 163, 86, 0.18);
}

.at-qr-panel__detail {
    margin: 0.5rem 0 0.75rem;
    padding: 0.65rem 0.75rem;
    border-radius: 10px;
    background: rgba(255, 252, 244, 0.92);
    border: 1px solid var(--at-line);
    font-size: 0.78rem;
    line-height: 1.55;
    color: #5a4d3c;
    white-space: pre-line;
    text-align: left;
}

.at-price-box {
    background: var(--at-price-bg);
    border: 1px solid rgba(212, 163, 86, 0.55);
    border-radius: 12px;
    padding: 0.85rem 1rem;
    text-align: center;
    margin-bottom: 1rem;
}

.at-price-box__label {
    margin: 0;
    font-size: 0.78rem;
    color: #9a8668;
}

.at-price-box__amount {
    margin: 0.35rem 0 0.5rem;
    font-size: 1.65rem;
    font-weight: 800;
    color: #4a3520;
    letter-spacing: 0.02em;
}

.at-price-box__note {
    margin: 0;
    font-size: 0.8rem;
    color: #6b5a42;
}

.at-pay-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    width: 100%;
    min-height: 3rem;
    border: none;
    border-radius: 999px;
    background: linear-gradient(145deg, #e8c078, var(--at-gold) 55%, #c9953f);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 10px 22px rgba(200, 150, 60, 0.35);
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.at-pay-btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.at-pay-btn:not(:disabled):active {
    transform: scale(0.98);
}

.at-pay-btn__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.35rem;
    height: 1.35rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.92);
    color: #07c160;
    font-size: 0.85rem;
    font-weight: 800;
}

.at-footnotes {
    margin-top: 1rem;
    text-align: center;
}

.at-footnote {
    margin: 0.35rem 0;
    font-size: 0.74rem;
    color: var(--at-muted);
    line-height: 1.5;
}

.at-footnote--info::before {
    content: 'ⓘ ';
    color: #9a8668;
}

.at-secondary-btn {
    display: block;
    width: 100%;
    margin-top: 0.65rem;
    min-height: 2.75rem;
    border: 1px solid rgba(120, 100, 70, 0.22);
    border-radius: 999px;
    background: #fff;
    color: #5c5348;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
}

.at-payment {
    margin-top: 0.5rem;
    text-align: center;
}

.at-payment__eyebrow {
    margin: 0 0 0.35rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: #07c160;
}

.at-payment__plan {
    margin: 0 0 0.25rem;
    font-size: 0.92rem;
    font-weight: 700;
    color: #4a3520;
    line-height: 1.45;
}

.at-payment__amount {
    margin: 0 0 0.85rem;
    font-size: 1.55rem;
    font-weight: 800;
    color: #4a3520;
}

.at-payment__qr-wrap {
    margin: 0 auto 0.75rem;
    padding: 0.65rem;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(80, 60, 30, 0.08);
    display: inline-block;
}

.at-payment__qr {
    display: block;
    width: min(240px, 72vw);
    height: auto;
    border-radius: 8px;
}

.at-payment__hint {
    margin: 0 0 0.65rem;
    font-size: 0.76rem;
    color: var(--at-muted);
    line-height: 1.5;
}

.at-payment__status {
    margin: 0 0 0.5rem;
    font-size: 0.82rem;
    color: #5c4a32;
    line-height: 1.5;
    min-height: 1.25rem;
}

.at-payment__status.is-waiting {
    color: #8c6632;
}

.at-payment__status.is-done {
    color: #1f6b45;
}

.at-payment__kefu {
    margin: 0.85rem 0 0.75rem;
    padding: 0.75rem 0.7rem 0.8rem;
    border-radius: 12px;
    border: 1px solid rgba(7, 193, 96, 0.28);
    background: linear-gradient(165deg, #f4fff9 0%, #eaf8f0 100%);
    text-align: center;
}

.at-payment__kefu-title {
    margin: 0 0 0.5rem;
    font-size: 0.86rem;
    font-weight: 800;
    color: #1a5c38;
}

.at-payment__kefu-qr {
    display: block;
    width: 140px;
    height: auto;
    margin: 0 auto 0.35rem;
    border-radius: 10px;
    border: 1px solid rgba(7, 193, 96, 0.2);
    background: #fff;
}

.at-payment__kefu-cap {
    margin: 0;
    font-size: 0.7rem;
    color: #5a7a68;
}

.at-disclaimer {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.7rem;
    color: #b0a898;
    line-height: 1.45;
}

/* 支付成功后：分配老师 + 二维码 */
.at-success {
    margin-top: 1.25rem;
    text-align: center;
}

.at-assigning {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    padding: 1.25rem 0;
}

.at-assigning__spinner {
    width: 2rem;
    height: 2rem;
    border: 3px solid rgba(212, 163, 86, 0.25);
    border-top-color: var(--at-gold);
    border-radius: 50%;
    animation: at-spin 0.85s linear infinite;
}

@keyframes at-spin {
    to { transform: rotate(360deg); }
}

.at-assigning__text {
    margin: 0;
    font-size: 0.92rem;
    font-weight: 600;
    color: #5c4a32;
}

.at-qr-panel {
    background: var(--at-card);
    border-radius: 14px;
    padding: 1.1rem 1rem 0.85rem;
    box-shadow: 0 8px 24px rgba(80, 60, 30, 0.08);
}

.at-qr-panel__title {
    margin: 0 0 0.75rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: #4a3520;
}

.at-qr-panel__img {
    width: min(220px, 72vw);
    height: auto;
    border-radius: 8px;
    display: block;
    margin: 0 auto;
}

.at-qr-panel__img--wecom-card {
    width: min(280px, 82vw);
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(74, 53, 32, 0.12);
    background: #fff;
}

.at-qr-panel__hint {
    margin: 0.65rem 0 0;
    font-size: 0.76rem;
    color: var(--at-muted);
    line-height: 1.45;
}

@media (prefers-reduced-motion: reduce) {
    .at-assigning__spinner {
        animation: none;
        border-top-color: var(--at-gold);
    }
}

/* 桌面端：与排盘页一致的左侧导航栏 */
@media (max-width: 520px) {
    .at-teacher-catalog {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 901px) {
    .at-body .app {
        min-height: 100vh;
        min-height: 100dvh;
    }

    .at-body .main.at-shell {
        min-height: 100vh;
        min-height: 100dvh;
        background: var(--at-page);
        box-sizing: border-box;
    }

    .at-body .at-topbar {
        display: none;
    }

    .at-body .at-main {
        max-width: 920px;
        width: 100%;
        margin-inline: auto;
    }
}

@media (max-width: 991px) {
    .at-body {
        padding-bottom: calc(4.6rem + env(safe-area-inset-bottom, 0px));
    }

    .at-body .app {
        flex-direction: column;
        min-height: 100dvh;
    }

    .at-body .app-rail.app-rail--desktop-v2 {
        display: none !important;
    }

    .at-body .app > .main.at-shell {
        margin-left: 0 !important;
        width: 100% !important;
        max-width: none !important;
        padding: 0 !important;
        flex: 1 1 auto;
        min-height: 0;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        overflow: hidden;
    }

    .at-body .at-topbar {
        position: sticky;
        top: 0;
        flex-shrink: 0;
        width: 100%;
        box-sizing: border-box;
    }

    .at-body .at-main {
        flex: 1 1 auto;
        min-height: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        width: 100%;
        max-width: 420px;
        box-sizing: border-box;
    }

    .at-body .site-compliance-strip + .app .at-topbar {
        top: 0;
    }
}

/* 追问真人老师页：与全站手机 Tab 导航对齐，避免 style.css 误展桌面侧栏 */
@media screen and (max-width: 1024px) {
    body.at-body:has(.hd-mobile-bottom-nav) .app-rail.app-rail--desktop-v2 {
        display: none !important;
    }

    body.at-body:has(.hd-mobile-bottom-nav) .app > .main.at-shell {
        margin-left: 0 !important;
        width: 100% !important;
        max-width: none !important;
    }

    .at-body:has(.hd-mobile-bottom-nav) {
        padding-bottom: calc(4.6rem + env(safe-area-inset-bottom));
    }

    .at-body .hd-mobile-bottom-nav {
        display: flex !important;
    }

    .at-body .hd-mobile-bottom-nav__btn {
        display: flex !important;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.14rem;
        max-width: none;
        font-size: 0.62rem !important;
        line-height: 1.2;
        color: #6b6154;
    }

    .at-body .hd-mobile-bottom-nav a.hd-mobile-bottom-nav__btn {
        text-decoration: none;
        color: #6b6154;
    }

    .at-body .hd-mobile-bottom-nav__ico {
        display: inline-flex !important;
        width: 1.28rem;
        height: 1.28rem;
        font-size: 1.05rem;
        line-height: 1;
    }

    .at-body .hd-mobile-bottom-nav__ico--taiji img {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
}

/* 题库模态框：背景须为追问真人老师页（非跳转排盘页） */
.at-body .exam-bank-modal-backdrop {
    z-index: 200;
}

.at-body .hd-modal-backdrop:not([hidden]) {
    display: grid;
}

.at-body.exam-bank-modal-open .at-shell,
.at-body.exam-bank-modal-open .app-rail {
    pointer-events: none;
}

.at-body .hd-mobile-bottom-nav__btn[data-at-nav="exam-bank"] {
    appearance: none;
    -webkit-appearance: none;
    border: none;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    /* 勿用 font: inherit，会把底栏字号放大成正文尺寸 */
}