.product-detail-page,
.manual-page {
    background: #f5f7fb;
    color: var(--text-dark);
}

.detail-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px clamp(18px, 4vw, 56px);
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid #e3e9f2;
    box-shadow: 0 8px 24px rgba(18, 32, 56, 0.08);
}

.detail-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-dark);
    font-size: 0.96rem;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
    padding: 8px 12px 8px 8px;
    border: 1px solid #d7e4f2;
    border-radius: 7px;
    background: #f7fbff;
    transition: color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.detail-brand:hover,
.detail-brand:focus-visible {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
    box-shadow: 0 8px 20px rgba(0, 102, 204, 0.14);
    outline: none;
    transform: translateX(-2px);
}

.detail-back-icon {
    display: inline-grid;
    place-items: center;
    width: 26px;
    height: 26px;
    color: white;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: 1.35rem;
    line-height: 1;
}

.detail-brand-name {
    color: var(--text-gray);
    font-size: 0.86rem;
    font-weight: 700;
}

.detail-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.detail-nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 700;
    padding: 8px 12px;
    border-radius: 6px;
}

.detail-nav a:hover,
.detail-nav a[aria-current="page"] {
    color: white;
    background: var(--gradient-primary);
}

.detail-shell,
.manual-shell {
    width: min(1180px, calc(100% - 36px));
    margin: 28px auto 56px;
}

.detail-hero-panel {
    display: grid;
    grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
    gap: 24px;
    align-items: stretch;
}

.detail-media,
.detail-intro,
.detail-card,
.manual-card,
.manual-products {
    background: white;
    border: 1px solid #e2e9f3;
    border-radius: 8px;
    box-shadow: 0 12px 32px rgba(31, 48, 72, 0.08);
}

.detail-media {
    padding: 18px;
}

.detail-image-zoom {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: zoom-in;
}

.detail-primary-image {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: contain;
    background: #fbfcff;
    border: 1px solid #edf1f7;
    border-radius: 8px;
    padding: 10px;
    transform-origin: center;
    transition: box-shadow 0.35s ease, border-color 0.35s ease;
}

.detail-image-zoom:hover .detail-primary-image {
    border-color: var(--primary-blue);
    box-shadow: 0 16px 36px rgba(0, 102, 204, 0.16);
}

.detail-magnifier {
    position: absolute;
    z-index: 2;
    width: clamp(132px, 18vw, 190px);
    height: clamp(132px, 18vw, 190px);
    border: 2px solid rgba(0, 102, 204, 0.78);
    border-radius: 50%;
    background-color: white;
    background-repeat: no-repeat;
    box-shadow: 0 16px 34px rgba(18, 32, 56, 0.24);
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, -50%) scale(0.96);
    transition: opacity 0.16s ease, transform 0.16s ease;
}

.detail-image-zoom.is-magnifying .detail-magnifier {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.detail-thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(76px, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.detail-thumbs img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    border: 1px solid #edf1f7;
    border-radius: 6px;
    padding: 6px;
    background: #fbfcff;
    cursor: pointer;
    transform-origin: center;
    transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.detail-thumbs img:hover,
.detail-thumbs img:focus-visible,
.detail-thumbs img.active {
    border-color: var(--primary-blue);
    box-shadow: 0 10px 24px rgba(0, 102, 204, 0.14);
    outline: none;
}

.detail-thumbs img:hover,
.detail-thumbs img:focus-visible {
    transform: scale(1.08);
}

.detail-intro {
    padding: clamp(22px, 3vw, 34px);
}

.detail-badge {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 5px 10px;
    color: white;
    background: var(--gradient-primary);
    border-radius: 6px;
    font-size: 0.86rem;
    font-weight: 800;
}

.detail-intro h1 {
    margin: 14px 0 8px;
    color: var(--text-dark);
    font-size: clamp(1.75rem, 3vw, 2.45rem);
    line-height: 1.25;
}

.detail-en-title,
.detail-summary {
    color: var(--text-gray);
    line-height: 1.75;
}

.detail-summary {
    margin-top: 14px;
}

.detail-spec-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 22px;
}

.detail-spec {
    min-height: 76px;
    padding: 14px;
    background: #f7faff;
    border: 1px solid #e4edf8;
    border-radius: 8px;
}

.detail-spec span {
    display: block;
    color: var(--text-light);
    font-size: 0.86rem;
    margin-bottom: 6px;
}

.detail-spec strong {
    color: var(--text-dark);
    line-height: 1.45;
}

.detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.detail-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 16px;
    border-radius: 7px;
    font-weight: 800;
    text-decoration: none;
}

.detail-action.primary {
    color: white;
    background: var(--gradient-primary);
}

.detail-action.secondary {
    color: var(--primary-dark);
    background: #eef5ff;
}

.detail-action.taobao {
    color: white;
    background: linear-gradient(135deg, #ff6a00 0%, #ff3d00 100%);
}

.detail-content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.38fr);
    gap: 24px;
    margin-top: 24px;
}

.detail-card {
    padding: clamp(22px, 3vw, 32px);
}

.detail-card h2,
.manual-card h2,
.manual-products h2 {
    margin-bottom: 14px;
    color: var(--primary-dark);
    font-size: 1.25rem;
}

.detail-section {
    padding-top: 18px;
    margin-top: 18px;
    border-top: 1px solid #edf1f7;
}

.detail-section h2 {
    color: var(--text-dark);
    font-size: 1.1rem;
}

.detail-section ul,
.detail-note ul,
.manual-card ul {
    padding-left: 20px;
    color: var(--text-gray);
    line-height: 1.8;
}

.manual-hero {
    padding: clamp(32px, 5vw, 56px);
    color: white;
    background: var(--gradient-primary);
    border-radius: 8px;
}

.manual-hero p {
    font-weight: 800;
    opacity: 0.9;
}

.manual-hero h1 {
    margin: 8px 0 12px;
    font-size: clamp(2rem, 4vw, 3rem);
}

.manual-hero span {
    display: block;
    max-width: 760px;
    line-height: 1.8;
}

.manual-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-top: 22px;
}

.manual-card,
.manual-products {
    padding: 24px;
}

.manual-product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.manual-product-link {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-height: 86px;
    padding: 14px;
    color: var(--text-dark);
    text-decoration: none;
    background: #f7faff;
    border: 1px solid #e4edf8;
    border-radius: 8px;
}

.manual-product-link:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 22px rgba(31, 48, 72, 0.08);
}

.manual-product-link span {
    font-weight: 800;
}

.manual-product-link small {
    color: var(--text-gray);
    line-height: 1.45;
}

.manual-products {
    margin-top: 22px;
}

@media (max-width: 900px) {
    .detail-hero-panel,
    .detail-content-grid,
    .manual-grid,
    .manual-product-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 620px) {
    .detail-topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .detail-nav {
        justify-content: flex-start;
    }

    .detail-spec-grid {
        grid-template-columns: 1fr;
    }

    .detail-shell,
    .manual-shell {
        width: min(100% - 24px, 1180px);
        margin-top: 18px;
    }
}