/* banner 横幅区域 */
    .hero-banner {
        position: relative;
        width: 100%;
        background: #0a2a3b; /* fallback for image loading */
        overflow: hidden;
    }
    .hero-banner__bg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center 30%;
        z-index: 0;
    }
    .hero-banner__overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.4) 70%, rgba(0,0,0,0.2) 100%);
        z-index: 1;
    }
    .hero-banner__content {
        position: relative;
        z-index: 2;
        max-width: 1400px;
        margin: 0 auto;
        padding: 5rem 2rem 5rem 2rem;
        color: white;
    }
    .hero-banner__title {
        font-size: 3.2rem;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 1rem;
        letter-spacing: -0.02em;
    }
    .hero-banner__desc {
        font-size: 1.2rem;
        max-width: 580px;
        margin-bottom: 2rem;
        opacity: 0.9;
        line-height: 1.5;
    }
    .hero-banner__cta {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        background: var(--accent, #FF6600);
        color: #fff;
        font-weight: 700;
        padding: 0.9rem 2.2rem;
        border-radius: 60px;
        font-size: 1.1rem;
        transition: all 0.25s ease;
        border: none;
        cursor: pointer;
        box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    }
    .hero-banner__cta svg {
        width: 1.2em;
        height: 1.2em;
        fill: currentColor;
    }
    .hero-banner__cta:hover {
        background: var(--primary, #003366);
        color: white;
        transform: translateY(-2px);
    }

    /* 面包屑样式保留（如页面需要） */
    .breadcrumb {
        background: var(--primary-light);
        padding: 0.9rem 0;
        border-bottom: 1px solid var(--border-light);
    }
    .breadcrumb .container {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    .breadcrumb-list {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.9rem;
    }
    .breadcrumb-item {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        color: var(--text-soft);
    }
    .breadcrumb-item a {
        color: var(--primary);
        font-weight: 500;
        transition: color 0.2s;
    }
    .breadcrumb-item a:hover {
        color: var(--accent);
    }
    .breadcrumb-sep {
        color: var(--text-soft);
        font-size: 0.7rem;
    }
    .breadcrumb-current {
        font-weight: 600;
        color: var(--text-dark);
    }

    /* 移动端适配 */
    @media (max-width: 800px) {
        .hero-banner__title {
            font-size: 2.4rem;
        }
    }
    @media (max-width: 550px) {
        .hero-banner__content {
            padding: 3rem 1.5rem;
        }
        .hero-banner__title {
            font-size: 1.8rem;
        }
        .hero-banner__desc {
            font-size: 1rem;
        }
    }
       /* ===== CASE STUDIES GRID & MODAL (追加样式，适配现有主题) ===== */
        .case-studies-section {
            padding: 4rem 0 5rem;
            background: var(--secondary);
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .case-card {
            background: var(--secondary);
            border-radius: 1.5rem;
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 30px rgba(0, 0, 0, 0.1);
        }

        .case-img {
            width: 100%;
            aspect-ratio: 4 / 3;
            overflow: hidden;
            cursor: pointer;
            background: var(--primary-light);
            transition: all 0.2s;
        }

        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .case-img:hover img {
            transform: scale(1.03);
        }

        .case-content {
            padding: 1.2rem 1.2rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            line-height: 1.3;
        }

        .case-title a {
            text-decoration: none;
            color: var(--primary);
            transition: color 0.2s;
        }

        .case-title a:hover {
            color: var(--accent);
        }

        .case-desc {
            font-size: 0.85rem;
            color: var(--text-soft);
            line-height: 1.45;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 响应式卡片布局 */
        @media (max-width: 1100px) {
            .case-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 1.5rem;
            }
        }
        @media (max-width: 800px) {
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 550px) {
            .case-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }

        /* ===== LIGHTBOX / MODAL 样式 ===== */
        .case-lightbox {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.88);
            backdrop-filter: blur(12px);
            z-index: 10000;
            display: none;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.25s ease;
        }

        .case-lightbox.active {
            display: flex;
            opacity: 1;
        }

        .lightbox-container {
            position: relative;
            max-width: 90vw;
            max-height: 90vh;
            width: 820px;
            background: var(--secondary);
            border-radius: 2rem;
            overflow: hidden;
            box-shadow: 0 30px 50px rgba(0, 0, 0, 0.4);
            display: flex;
            flex-direction: column;
            animation: modalFadeIn 0.25s ease;
        }

        @keyframes modalFadeIn {
            from {
                opacity: 0;
                transform: scale(0.96);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .lightbox-header {
            display: flex;
            justify-content: flex-end;
            padding: 0.8rem 1rem;
            background: var(--secondary);
            border-bottom: 1px solid var(--border-light);
        }

        .close-lightbox {
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            line-height: 1;
            color: var(--text-soft);
            transition: color 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
        }

        .close-lightbox:hover {
            background: var(--primary-light);
            color: var(--accent);
        }

        .lightbox-body {
            display: flex;
            flex-direction: column;
            padding: 1.5rem;
        }

        .lightbox-image {
            width: 100%;
            max-height: 55vh;
            object-fit: contain;
            background: #f0f2f5;
            border-radius: 1.2rem;
            margin-bottom: 1.5rem;
        }

        .lightbox-info {
            margin-bottom: 1rem;
        }

        .lightbox-info h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .lightbox-info h3 a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s;
        }

        .lightbox-info h3 a:hover {
            color: var(--accent);
        }

        .lightbox-description {
            font-size: 1rem;
            color: var(--text-soft);
            line-height: 1.5;
            margin: 0.75rem 0;
        }

        .lightbox-more {
            margin-top: 0.5rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 1rem;
        }

        .lightbox-more a {
            text-decoration: none;
            color: var(--accent);
            background: var(--primary-light);
            padding: 0.5rem 1.2rem;
            border-radius: 40px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s;
        }

        .lightbox-more a:hover {
            background: var(--accent);
            color: white;
        }

        .lightbox-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 100%;
            display: flex;
            justify-content: space-between;
            pointer-events: none;
            padding: 0 1rem;
        }

        .nav-arrow {
            pointer-events: auto;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            border: none;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s;
            color: white;
        }

        .nav-arrow svg {
            width: 28px;
            height: 28px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
        }

        .nav-arrow:hover {
            background: var(--accent);
            transform: scale(1.05);
        }

        @media (max-width: 680px) {
            .lightbox-container {
                width: 95vw;
                max-height: 90vh;
            }
            .lightbox-body {
                padding: 1rem;
            }
            .lightbox-info h3 {
                font-size: 1.2rem;
            }
            .lightbox-description {
                font-size: 0.85rem;
            }
            .nav-arrow {
                width: 38px;
                height: 38px;
            }
            .nav-arrow svg {
                width: 22px;
            }
        }
/* ========== 分页样式 ========== */
.pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 2.5rem;
    padding: 0.5rem 0;
}

.page-prev,
.page-next,
.page-num,
.page-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 8px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
    background: transparent;
    border: 1px solid var(--border-light);
    transition: all 0.2s ease;
    cursor: pointer;
    text-decoration: none;
}

.page-prev,
.page-next {
    padding: 0 12px;
}

.page-prev svg,
.page-next svg {
    stroke: var(--text-soft);
    transition: stroke 0.2s;
}

.page-num:hover,
.page-prev:hover,
.page-next:hover {
    background-color: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.page-prev:hover svg,
.page-next:hover svg {
    stroke: var(--primary);
}

.page-num.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
    pointer-events: none;
}

.page-dots {
    border: none;
    background: transparent;
    cursor: default;
    pointer-events: none;
    color: var(--text-soft);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .pagination {
        gap: 6px;
        margin-top: 1.8rem;
    }

    .page-prev,
    .page-next,
    .page-num,
    .page-dots {
        min-width: 36px;
        height: 36px;
        font-size: 0.85rem;
        padding: 0 6px;
    }

    .page-prev,
    .page-next {
        padding: 0 8px;
    }
}

/* 超小屏幕：适当缩小间距，允许换行 */
@media (max-width: 480px) {
    .pagination {
        gap: 5px;
    }

    .page-prev,
    .page-next,
    .page-num,
    .page-dots {
        min-width: 32px;
        height: 32px;
        font-size: 0.8rem;
    }
}