/* ============================================
   项目详情页样式
   ============================================ */

/* 项目 Hero */
.project-hero {
    position: relative;
    height: 85vh;
    min-height: 500px;
    overflow: hidden;
}

.project-hero .hero-bg {
    animation: none;
    transform: none;
}

.project-hero-content {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    width: 100%;
    padding: 0 2rem;
}

.project-hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.meta-tag {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    padding: 4px 14px;
    border: 1px solid rgba(200, 180, 160, 0.4);
    font-family: var(--font-sans);
}

.meta-dot {
    color: var(--text-secondary);
    opacity: 0.5;
}

.meta-location {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
}

.project-hero-title {
    font-family: var(--font-cn);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 400;
    letter-spacing: 0.15em;
    margin-bottom: 8px;
}

.project-hero-en {
    font-family: var(--font-en);
    font-style: italic;
    font-size: clamp(1rem, 2vw, 1.5rem);
    font-weight: 300;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    margin-bottom: 30px;
}

.project-hero-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-info-item {
    text-align: center;
}

.hero-info-label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--text-tertiary);
    margin-bottom: 4px;
    text-transform: uppercase;
    font-family: var(--font-sans);
}

.hero-info-value {
    font-size: 0.95rem;
    color: var(--text);
    letter-spacing: 0.05em;
}

.hero-info-divider {
    width: 1px;
    background: var(--border-light);
    align-self: stretch;
}

/* 项目概述 */
.project-overview {
    padding: 120px 0;
}

.section-label-wrap {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
}

.section-label-wrap .label-num {
    font-family: var(--font-en);
    font-size: 1rem;
    font-style: italic;
    color: var(--accent);
    letter-spacing: 0.1em;
}

.section-label-wrap .label-line {
    width: 40px;
    height: 1px;
    background: var(--accent);
}

.overview-text-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-bottom: 60px;
}

.overview-title {
    font-family: var(--font-cn);
    font-size: 2.2rem;
    font-weight: 400;
    line-height: 1.4;
    letter-spacing: 0.08em;
}

.overview-title em {
    font-style: normal;
    color: var(--accent);
    font-family: var(--font-en);
    font-size: 1.8rem;
    font-weight: 300;
}

.overview-body p {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    line-height: 2;
    font-size: 0.95rem;
}

/* 项目信息卡片 */
.project-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--border);
}

.info-card {
    padding: 30px 24px;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s var(--ease);
}

.info-card:nth-child(4n) {
    border-right: none;
}

.info-card:hover {
    background: rgba(200, 180, 160, 0.03);
}

.info-card-label {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    color: var(--text-tertiary);
    margin-bottom: 8px;
    text-transform: uppercase;
    font-family: var(--font-sans);
}

.info-card-value {
    font-size: 1rem;
    color: var(--text);
    letter-spacing: 0.05em;
}

/* 设计理念区 */
.concept-section {
    padding: 120px 0;
    background: var(--bg-light);
}

.concept-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.concept-quote {
    font-family: var(--font-cn);
    font-size: 1.8rem;
    font-weight: 300;
    line-height: 1.8;
    letter-spacing: 0.1em;
    margin-bottom: 30px;
    position: relative;
    padding: 40px 0;
}

.concept-quote::before,
.concept-quote::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background: var(--accent);
    margin: 0 auto;
}

.concept-quote::before {
    margin-bottom: 40px;
}

.concept-quote::after {
    margin-top: 40px;
}

.concept-text {
    color: var(--text-secondary);
    line-height: 2;
    font-size: 0.95rem;
}

/* 画廊 */
.gallery-section {
    padding: 120px 0;
}

.gallery-grid {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.gallery-item {
    overflow: hidden;
    position: relative;
}

.gallery-item img {
    width: 100%;
    height: auto;
    transition: transform 1s var(--ease);
    cursor: zoom-in;
}

.gallery-item:hover img {
    transform: scale(1.02);
}

.gallery-item-wide {
    width: 100%;
}

.gallery-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

/* 大图分隔 */
.full-image-section {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.full-image {
    width: 100%;
    height: auto;
    display: block;
}

.image-caption {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 24px;
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.caption-num {
    font-family: var(--font-en);
    font-style: italic;
    color: var(--accent);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
}

.caption-text {
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--text);
}

.image-caption-left {
    left: 40px;
    right: auto;
    transform: none;
}

/* 设计理念分点 */
.concept-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    margin-top: 60px;
}

.concept-col {
    padding: 30px 0;
    border-top: 1px solid var(--border-light);
}

.concept-subtitle {
    font-family: var(--font-cn);
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 16px;
    letter-spacing: 0.1em;
    color: var(--accent);
}

.concept-col p {
    color: var(--text-secondary);
    line-height: 1.9;
    font-size: 0.9rem;
}

/* 细节解析 - 左右图文 */
.details-section {
    padding: 120px 0;
    background: var(--bg-light);
}

.details-grid {
    display: flex;
    flex-direction: column;
    gap: 80px;
    margin-top: 60px;
}

.detail-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.detail-item_reverse {
    direction: rtl;
}

.detail-item_reverse .detail-content,
.detail-item_reverse .detail-image {
    direction: ltr;
}

.detail-image {
    overflow: hidden;
    position: relative;
}

.detail-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.8s var(--ease);
}

.detail-item:hover .detail-image img {
    transform: scale(1.04);
}

.detail-content {
    padding: 20px 0;
}

.detail-num {
    display: inline-block;
    font-family: var(--font-en);
    font-style: italic;
    font-size: 1rem;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.detail-content h3 {
    font-family: var(--font-cn);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    line-height: 1.4;
}

.detail-content p {
    color: var(--text-secondary);
    line-height: 2;
    font-size: 0.92rem;
}

.detail-content em {
    font-style: normal;
    color: var(--accent);
    font-family: var(--font-en);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    display: inline-block;
    margin-top: 12px;
}

/* 材质色卡 */
.material-section {
    padding: 120px 0;
}

.material-intro {
    text-align: center;
    margin-bottom: 60px;
}

.material-title {
    font-family: var(--font-cn);
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.material-title em {
    font-style: normal;
    color: var(--accent);
    font-family: var(--font-en);
    font-size: 1.8rem;
    font-weight: 300;
}

.material-desc {
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 2;
    font-size: 0.95rem;
}

.material-swatches {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-top: 50px;
}

.swatch {
    text-align: center;
    padding: 20px 10px;
    border: 1px solid var(--border);
    transition: border-color 0.3s;
}

.swatch:hover {
    border-color: var(--accent);
}

.swatch-color {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin: 0 auto 16px;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.swatch-name {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 4px;
    letter-spacing: 0.05em;
}

.swatch-code {
    display: block;
    font-size: 0.7rem;
    color: var(--text-tertiary);
    letter-spacing: 0.1em;
    font-family: var(--font-sans);
}

/* 画廊标题 */
.gallery-title-wrap {
    text-align: center;
    margin-bottom: 60px;
}

.gallery-title-wrap h2 {
    font-family: var(--font-cn);
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 0.1em;
}

.gallery-title-wrap em {
    font-style: normal;
    color: var(--accent);
    font-family: var(--font-en);
    font-size: 1.8rem;
    font-weight: 300;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    color: #fff;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.lightbox-close:hover {
    opacity: 1;
}

/* 返回 */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    transition: color 0.3s, transform 0.3s;
    margin-bottom: 40px;
    text-transform: uppercase;
    font-family: var(--font-sans);
}

.back-btn:hover {
    color: var(--accent);
    transform: translateX(-4px);
}

.back-btn svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 1.5;
}

/* 响应式 */
@media (max-width: 1024px) {
    .overview-text-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .project-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .info-card:nth-child(4n) {
        border-right: 1px solid var(--border);
    }

    .info-card:nth-child(2n) {
        border-right: none;
    }

    .gallery-row {
        grid-template-columns: 1fr;
    }

    .project-hero-info {
        gap: 20px;
    }

    .hero-info-divider {
        display: none;
    }
}

@media (max-width: 768px) {
    .project-hero {
        height: 75vh;
    }

    .project-overview,
    .concept-section,
    .gallery-section {
        padding: 70px 0;
    }

    .overview-title {
        font-size: 1.5rem;
    }

    .concept-quote {
        font-size: 1.3rem;
        padding: 30px 0;
    }

    .project-info-grid {
        grid-template-columns: 1fr;
    }

    .info-card {
        border-right: none !important;
    }
}