/* 2. 首屏 Hero Section (融合经典全屏与极简排版) */
.hero {
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    /* For parallax content */
}

.hero-content {
    margin: 0 5%;
    max-width: 800px;
    color: var(--bg-card);
    margin-top: 60px;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
    font-size: 13px;
    letter-spacing: 2px;
    margin-bottom: 24px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 2px;
}

.hero-title {
    font-size: 64px;
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: 1px;
    font-family: var(--font-serif);
}

.hero-desc {
    font-size: 18px;
    font-weight: 300;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 20px;
}

.btn-outline {
    display: inline-block;
    padding: 16px 36px;
    border: 1px solid var(--bg-card);
    color: var(--bg-card);
    font-size: 15px;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: var(--bg-card);
    color: var(--dark);
}

/* 首屏向下滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
    z-index: 10;
}

/* 鼠标滚轮指示器 */
.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255, 255, 255, 0.7);
    border-radius: 15px;
    position: relative;
    transition: border-color 0.3s, opacity 0.3s;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    animation: scroll-wheel 1.5s infinite;
    transition: background-color 0.3s;
}

.scroll-indicator:hover .mouse {
    border-color: var(--gold);
}

.scroll-indicator:hover .mouse::before {
    background-color: var(--gold);
}

@keyframes scroll-wheel {
    0% {
        transform: translate(-50%, 0);
        opacity: 1;
    }

    100% {
        transform: translate(-50%, 16px);
        opacity: 0;
    }
}

/* 3. 信任背书模块 (Stats) */
.stats {
    background: var(--bg-card);
    padding: 80px 5%;
    border-bottom: 1px solid var(--bg-sec);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: -20px;
    top: 10%;
    height: 80%;
    width: 1px;
    background: var(--bg-sec);
}

.stat-num {
    font-size: 48px;
    font-family: var(--font-serif);
    color: var(--dark);
    line-height: 1;
    margin-bottom: 12px;
}

.stat-num span {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 14px;
    color: var(--text-sec);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 4. 核心业务范围 (Services) */
.services {
    padding: var(--section-padding);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--bg-card);
    transition: transform 0.4s, box-shadow 0.4s;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
}

.service-img {
    height: 300px;
    width: 100%;
    object-fit: cover;
}

.service-body {
    padding: 40px 30px;
}

.service-icon {
    margin-bottom: 20px;
    color: var(--gold);
}

.service-title {
    font-size: 22px;
    font-weight: 500;
    font-family: var(--font-serif);
    margin-bottom: 16px;
}

.service-desc {
    font-size: 15px;
    color: var(--text-sec);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 1px;
}

/* 5. 千祥核心保障 (Advantages) */
.advantages {
    background: var(--bg-card);
    padding: var(--section-padding);
}

.adv-layout {
    display: flex;
    gap: 60px;
    align-items: center;
}

.adv-image {
    flex: 1;
    position: relative;
}

.adv-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 2px;
}

.adv-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: var(--dark);
    color: var(--gold);
    padding: 40px;
    text-align: center;
}

.adv-badge strong {
    display: block;
    font-size: 40px;
    font-family: var(--font-serif);
    line-height: 1;
    margin-bottom: 8px;
}

.adv-content {
    flex: 1;
}

.adv-list {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.adv-item {
    display: flex;
    gap: 24px;
    background: var(--bg-card);
    padding: 24px 30px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 0, 0, 0.04);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.02);
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.adv-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
    border-color: rgba(197, 168, 128, 0.3);
}

.adv-num {
    font-size: 28px;
    font-family: var(--font-serif);
    color: var(--gold);
    font-weight: 600;
    width: 45px;
    flex-shrink: 0;
}

.adv-text h4 {
    font-size: 19px;
    font-weight: 600;
    font-family: var(--font-sans);
    margin-bottom: 8px;
    color: var(--dark);
    display: block;
}

.adv-text p {
    font-size: 15px;
    color: var(--text-sec);
    line-height: 1.8;
}

/* 6. 精选案例 (Portfolio) */
.portfolio {
    padding: var(--section-padding);
    background: var(--bg-main);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.3) 60%, transparent 100%);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 40px;
    color: var(--bg-card);
    backdrop-filter: blur(0px);
    /* 初始无模糊 */
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
    backdrop-filter: blur(4px);
    /* 悬浮时增加玻璃质感 */
}

.portfolio-title {
    font-size: 24px;
    font-family: var(--font-serif);
    margin-bottom: 8px;
}

.portfolio-cat {
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--gold);
}


/* 7. 客户评价 (Dark Cinematic Testimonials) */
.dark-testimonials {
    background: #111;
    padding: var(--section-padding);
    color: #fff;
}

.dark-testimonials .section-title {
    color: #fff;
}

.dark-testimonials .section-subtitle {
    color: rgba(255, 255, 255, 0.4);
}

.dark-testimonials .section-subtitle::after {
    background: rgba(255, 255, 255, 0.2);
}

.dark-testi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    margin-top: 60px;
    gap: 30px;
}

.dark-testi-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 4px;
    transition: transform 0.3s ease, border-color 0.3s;
}

.dark-testi-item:hover {
    transform: translateY(-5px);
    border-color: rgba(197, 168, 128, 0.3);
}

.dark-testi-stars {
    font-size: 14px;
    color: var(--gold);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.dark-testi-text {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

.dark-testi-author {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.dark-testi-author strong {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
}

.dark-testi-author span {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 768px) {
    .dark-testi-item {
        padding: 30px;
    }
}

/* 8. 设计团队 (Team) */
.team {
    background: var(--bg-body);
    padding: var(--section-padding);
}

.team-carousel-wrapper {
    position: relative;
    margin-top: 60px;
    padding: 0 40px;
}

.team-carousel {
    overflow: hidden;
    padding: 20px 0;
}

.team-track {
    display: flex;
    gap: 30px;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.team-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 0 0 calc(25% - 22.5px);
    /* 4 cards per row, 3 gaps of 30px */
    min-width: 0;
}

.team-avatar {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--gold);
    transition: all 0.4s ease;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    overflow: hidden;
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-card:hover .team-avatar {
    border-color: var(--gold);
    box-shadow: 0 10px 30px rgba(197, 168, 128, 0.2);
    transform: translateY(-5px);
    color: var(--dark);
}

.team-info {
    text-align: center;
}

.team-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}

.team-exp {
    display: inline-block;
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 16px;
}

.team-desc {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    font-style: italic;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    z-index: 2;
}

.carousel-btn:hover {
    background: var(--dark);
    color: var(--gold);
    border-color: var(--dark);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-50%) scale(1.05);
}

.carousel-btn svg {
    transition: transform 0.3s ease;
}

.team-prev-btn:hover svg {
    transform: translateX(-2px);
}

.team-next-btn:hover svg {
    transform: translateX(2px);
}

.team-prev-btn {
    left: 0;
}

.team-next-btn {
    right: 0;
}

/* 响应式设计 (Responsive) */
@media (max-width: 480px) {
    .section-title {
        font-size: 28px;
    }
}

/* 评价轮播图响应式 */
@media (max-width: 1024px) {
    .testi-card {
        flex: 0 0 calc(50% - 15px);
        /* 显示2个 */
    }
}

@media (max-width: 768px) {
    .testi-card {
        flex: 0 0 100%;
        /* 显示1个 */
    }

    .carousel-wrapper {
        padding: 0;
    }
}

/* 团队轮播图响应式 */
@media (max-width: 1024px) {
    .team-card {
        flex: 0 0 calc(50% - 15px);
    }
}

@media (max-width: 768px) {
    .team-card {
        flex: 0 0 100%;
    }

    .dark-testi-grid {
        grid-template-columns: 1fr;
    }

    .dark-testi-item {
        padding: 25px;
    }

    .team-carousel-wrapper {
        padding: 0 35px;
    }

    .carousel-btn {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }

    .team-prev-btn {
        left: -5px;
    }

    .team-next-btn {
        right: -5px;
    }
}