/* ========== Detail Page ========== */
.detail-page {
    min-height: 100vh;
    background: var(--bg-primary);
}

@media (min-width: 768px) {
    .detail-page {
        padding: 20px;
    }
}

/* ========== Sold Stamp ========== */
.sold-stamp {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-15deg);
    z-index: 20;
    pointer-events: none;
}

.sold-stamp img {
    width: 240px;
    height: 240px;
    object-fit: contain;
    opacity: 0.9;
}

/* 已售出状态 - 轮播图片变灰暗（仅背景图，不影响印章） */
.detail-page.is-sold .carousel-slide img {
    filter: brightness(0.6) saturate(0.3);
}

.detail-page.is-sold .sold-stamp img {
    filter: none;
}

/* 已售出状态 - 价格区域置灰 */
.detail-page.is-sold .price-current {
    text-decoration: line-through;
    opacity: 0.6;
}

.detail-page.is-sold .btn-detail-inquire,
.detail-page.is-sold .detail-inquire-btn {
    background: #999;
    box-shadow: none;
    pointer-events: none;
}

.detail-header {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    z-index: 201;
    box-shadow: var(--shadow-sm);
}

.detail-back {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-primary);
}

.detail-back:hover {
    background: var(--border);
}

.detail-header-title {
    font-size: 15px;
    font-weight: 600;
    flex: 1;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0 10px;
}

.detail-header-actions {
    display: flex;
    gap: 8px;
}

.detail-hero {
    width: 100%;
    max-width: 480px;
    height: 280px;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
}

.detail-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-hero-overlay {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detail-hero-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 12px;
    cursor: pointer;
}

.detail-hero-counter {
    padding: 6px 12px;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    color: white;
    border-radius: var(--radius-full);
    font-size: 12px;
}

@media (min-width: 768px) and (max-width: 1024px) {
    .detail-header {
        max-width: 720px;
        padding: 14px 20px;
    }
    
    .detail-back {
        width: 40px;
        height: 40px;
    }
    
    .detail-header-title {
        font-size: 16px;
    }
    
    .detail-hero {
        max-width: 100%;
        height: 380px;
    }
    
    .detail-hero-btn,
    .detail-hero-counter {
        font-size: 14px;
        padding: 8px 16px;
    }
}

@media (min-width: 1025px) {
    .detail-header {
        max-width: 1440px;
        padding: 16px 40px;
    }
    
    .detail-back {
        width: 44px;
        height: 44px;
    }
    
    .detail-header-title {
        font-size: 18px;
    }
    
    .detail-hero {
        max-width: 100%;
        height: 480px;
    }
    
    .detail-hero-btn,
    .detail-hero-counter {
        font-size: 14px;
        padding: 10px 20px;
    }
}

.detail-body {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 16px 100px;
}

.detail-price-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-top: -20px;
    position: relative;
    z-index: 10;
    box-shadow: var(--shadow-md);
}

.detail-car-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.detail-price-row {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 4px;
}

.detail-price {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
}

.detail-price small {
    font-size: 14px;
}

.detail-down-payment {
    font-size: 13px;
    color: var(--text-tertiary);
}

.detail-inquire-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 12px;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(229, 57, 53, 0.3);
}

.detail-inquire-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(229, 57, 53, 0.4);
}

@media (min-width: 768px) and (max-width: 1024px) {
    .detail-body {
        max-width: 100%;
        padding: 0 20px 120px;
    }
    
    .detail-price-section {
        padding: 24px;
        margin-top: -24px;
    }
    
    .detail-car-name {
        font-size: 22px;
    }
    
    .detail-price {
        font-size: 32px;
    }
    
    .detail-price small {
        font-size: 16px;
    }
    
    .detail-inquire-btn {
        padding: 14px;
        font-size: 16px;
    }
}

@media (min-width: 1025px) {
    .detail-body {
        max-width: 1440px;
        padding: 0 40px 140px;
        margin: 0 auto;
    }
    
    .detail-price-section {
        padding: 30px;
        margin-top: -30px;
    }
    
    .detail-car-name {
        font-size: 26px;
    }
    
    .detail-price {
        font-size: 38px;
    }
    
    .detail-price small {
        font-size: 18px;
    }
    
    .detail-inquire-btn {
        padding: 16px;
        font-size: 17px;
    }
}

.detail-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    margin-top: 12px;
    box-shadow: var(--shadow-card);
}

.detail-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.detail-section-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.detail-section-title::before {
    content: '';
    width: 3px;
    height: 16px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.detail-section-link {
    font-size: 13px;
    color: var(--text-tertiary);
    cursor: pointer;
}

.detail-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 14px;
}

.detail-metric {
    text-align: center;
    padding: 10px 4px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
}

.detail-metric-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.detail-metric-label {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.detail-specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.detail-spec-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.detail-spec-label {
    font-size: 12px;
    color: var(--text-tertiary);
}

.detail-spec-value {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
}

@media (min-width: 768px) and (max-width: 1024px) {
    .detail-section {
        padding: 20px 24px;
        margin-top: 16px;
    }
    
    .detail-section-title {
        font-size: 17px;
    }
    
    .detail-section-title::before {
        height: 18px;
    }
    
    .detail-metrics {
        gap: 12px;
    }
    
    .detail-metric {
        padding: 12px 6px;
    }
    
    .detail-metric-value {
        font-size: 16px;
    }
    
    .detail-metric-label {
        font-size: 12px;
    }
    
    .detail-specs-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    
    .detail-spec-label {
        font-size: 13px;
    }
    
    .detail-spec-value {
        font-size: 14px;
    }
}

@media (min-width: 1025px) {
    .detail-section {
        padding: 24px 30px;
        margin-top: 20px;
    }
    
    .detail-section-title {
        font-size: 19px;
    }
    
    .detail-section-title::before {
        height: 20px;
    }
    
    .detail-metrics {
        grid-template-columns: repeat(6, 1fr);
        gap: 16px;
    }
    
    .detail-metric {
        padding: 16px 8px;
    }
    
    .detail-metric-value {
        font-size: 18px;
    }
    
    .detail-metric-label {
        font-size: 13px;
    }
    
    .detail-specs-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
    
    .detail-spec-label {
        font-size: 14px;
    }
    
    .detail-spec-value {
        font-size: 15px;
    }
}

/* Detail Bottom Bar */
.detail-bottom-bar {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    display: flex;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.06);
    z-index: 201;
}

.detail-bottom-bar .btn-call {
    flex: 1;
    padding: 12px;
    background: var(--secondary-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.detail-bottom-bar .btn-call:hover {
    transform: translateY(-1px);
}

.detail-bottom-bar .btn-detail-inquire {
    flex: 1;
    padding: 12px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(229, 57, 53, 0.3);
}

.detail-bottom-bar .btn-detail-inquire:hover {
    transform: translateY(-1px);
}

@media (min-width: 768px) and (max-width: 1024px) {
    .detail-bottom-bar {
        max-width: 720px;
        padding: 14px 20px;
        gap: 12px;
    }
    
    .detail-bottom-bar .btn-call,
    .detail-bottom-bar .btn-detail-inquire {
        padding: 14px;
        font-size: 16px;
    }
}

@media (min-width: 1025px) {
    .detail-bottom-bar {
        max-width: 1440px;
        padding: 16px 40px;
        gap: 16px;
    }
    
    .detail-bottom-bar .btn-call,
    .detail-bottom-bar .btn-detail-inquire {
        padding: 16px;
        font-size: 17px;
    }
}