/* === 极简全屏画布版 (解决重复与白边问题) === */
    body { background: #fff; color: #333; margin: 0; padding: 0; overflow-x: hidden; }

    /* 修复导航栏和语言菜单的层级，防止被下方内容遮挡导致无法点击 */
    header, .navbar, .navbar-fixed-top, .navbar-header { z-index: 999999 !important; }
    .dropdown-menu, #gtranslate_wrapper, .gtranslate_wrapper { z-index: 9999999 !important; }

    /* 1. 核心修复：使用 padding-top 把内容往下推，让出导航栏的高度 */
    .canvas-wrapper { 
        margin-top: 0px !important; 
        width: 100%; 
        padding-top: 0 !important;
    }

    @media(max-width: 768px){ 
        .canvas-wrapper { 
            padding-top: 0 !important;
        } 
    }

    :root {
        --brand-orange: #FF6A00;
        --brand-orange-hover: #E65C00;
        --text-dark: #1a1a1a;
        --text-gray: #666666;
        --bg-light: #f8f9fa;
        --bg-white: #ffffff;
        --border-color: #eaeaea;
    }
    
    /* 避免与 Bootstrap 冲突，限定作用域 */
    .solution-page {
        font-family: 'Inter', Arial, sans-serif;
        color: var(--text-dark);
        line-height: 1.6;
        background-color: var(--bg-white);
    }

    .solution-page .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 15px;
    }

    .solution-page .text-center { text-align: center; }
    .solution-page .bg-light { background-color: var(--bg-light); }
    .solution-page .section-padding { padding: 80px 0; }

    .solution-page h2.section-title {
        font-size: 36px;
        font-weight: 700;
        margin-bottom: 40px;
        color: var(--text-dark);
        position: relative;
        padding-bottom: 15px;
        margin-top: 0;
    }
    .solution-page h2.section-title::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 60px;
        height: 3px;
        background-color: var(--brand-orange);
    }

    /* 1. Hero Banner */
    .solution-page .hero-banner {
        position: relative;
        width: 100%;
        height: clamp(620px, calc(100vw * 700 / 1920), 700px) !important;
        min-height: clamp(620px, calc(100vw * 700 / 1920), 700px) !important;
        max-height: 700px !important;
        margin-top: 20px !important;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        color: #fff;
        overflow: hidden;
        background-color: #333;
    }
    .solution-page .hero-banner picture {
        width: 100%;
        height: 100% !important;
        min-height: 100% !important;
        max-height: none !important;
        display: block;
    }
    .solution-page .hero-bg-img {
        width: 100%;
        height: 100% !important;
        min-height: 100% !important;
        max-height: none !important;
        min-height: 0;
        display: block;
        object-fit: cover;
        object-position: center;
    }
    .solution-page .hero-overlay {
        position: absolute;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0, 0, 0, 0.3);
        z-index: 1;
    }
    .solution-page .hero-content {
        position: absolute;
        z-index: 2;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 100%;
        animation: fadeInUp 1s ease;
        padding: 0 15px;
    }
    .solution-page .hero-content h1 {
        font-size: 48px;
        font-weight: 700;
        letter-spacing: 1px;
        margin: 0;
        color: #fff;
        text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    }

    @media (max-width: 767px) {
        .solution-page .hero-banner {
            height: var(--vesol-banner-mobile-height, 320px) !important;
            min-height: var(--vesol-banner-mobile-height, 320px) !important;
            max-height: var(--vesol-banner-mobile-height, 320px) !important;
            margin-top: 20px !important;
        }
    }

    @media (min-width: 768px) and (max-width: 991px) {
        .solution-page .hero-banner {
            height: 420px !important;
            min-height: 420px !important;
            max-height: 420px !important;
            margin-top: 20px !important;
        }

        .solution-page .hero-bg-img {
            object-position: center !important;
        }
    }

    @media (min-width: 992px) and (max-width: 1199px) {
        .solution-page .hero-banner {
            height: 520px !important;
            min-height: 520px !important;
            max-height: 520px !important;
            margin-top: 20px !important;
        }
    }

    /* 2. Intro Section */
    .solution-page .intro-section {
        padding: 60px 0;
    }
    .solution-page .intro-section p {
        font-size: 18px;
        color: var(--text-gray);
        max-width: 900px;
        margin: 0 auto;
        line-height: 1.8;
    }

    /* 3. Key Advantages */
    .solution-page .advantages-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 30px;
    }
    .solution-page .adv-card {
        background: var(--bg-white);
        padding: 40px 30px;
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        border-bottom: 3px solid transparent;
    }
    .solution-page .adv-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 15px 40px rgba(0,0,0,0.1);
        border-bottom-color: var(--brand-orange);
    }
    .solution-page .adv-icon {
        font-size: 40px;
        color: var(--brand-orange);
        margin-bottom: 20px;
    }
    .solution-page .adv-card h3 {
        font-size: 22px;
        font-weight: 600;
        margin-bottom: 15px;
        color: var(--text-dark);
        margin-top: 0;
    }
    .solution-page .adv-card p {
        color: var(--text-gray);
        font-size: 15px;
        margin-bottom: 0;
    }

    /* 4. Products Section */
    .solution-page .products-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 30px;
    }
    .solution-page .product-card {
        background: #fff;
        border-radius: 4px;
        overflow: hidden;
        box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        transition: all 0.3s ease;
        text-align: center;
        padding-bottom: 25px;
    }
    .solution-page .product-card:hover {
        box-shadow: 0 15px 35px rgba(0,0,0,0.1);
        transform: translateY(-5px);
    }
    .solution-page .product-img {
        width: 100%;
        height: 260px;
        object-fit: contain;
        padding: 20px;
        background-color: #fff;
    }
    .solution-page .product-title {
        font-size: 18px;
        font-weight: 700;
        margin: 15px 15px 10px;
    }
    .solution-page .product-title a {
        color: var(--text-dark);
        text-decoration: none;
        transition: color 0.3s;
    }
    .solution-page .product-title a:hover {
        color: var(--brand-orange);
    }
    .solution-page .product-card,
    .solution-page .product-card:hover,
    .solution-page .product-card:focus,
    .solution-page .product-card:active,
    .solution-page .product-card:focus-within,
    .solution-page .product-card > a,
    .solution-page .product-card > a:hover,
    .solution-page .product-card > a:focus,
    .solution-page .product-card > a:active,
    .solution-page .product-card > a:focus-visible,
    .solution-page .product-title a,
    .solution-page .product-title a:hover,
    .solution-page .product-title a:focus,
    .solution-page .product-title a:active,
    .solution-page .product-title a:focus-visible {
        outline: none !important;
        outline-offset: 0 !important;
        box-shadow: none !important;
        text-decoration: none !important;
        -webkit-tap-highlight-color: transparent;
    }
    .solution-page .product-card > a,
    .solution-page .product-card > a:focus,
    .solution-page .product-card > a:active,
    .solution-page .product-card > a:focus-visible,
    .solution-page .product-img {
        border: none !important;
    }
    .solution-page .product-card:hover .product-title a,
    .solution-page .product-card:focus-within .product-title a,
    .solution-page .product-title a:hover,
    .solution-page .product-title a:focus,
    .solution-page .product-title a:active,
    .solution-page .product-title a:focus-visible {
        color: var(--brand-orange) !important;
        -webkit-text-fill-color: var(--brand-orange) !important;
        transition: none !important;
    }
    .solution-page .product-subtitle {
        color: var(--brand-orange);
        font-size: 14px;
        margin: 0 15px 15px;
    }

    .solution-page .btn-all-products-wrapper {
        text-align: center;
        margin-top: 40px;
    }
    .solution-page .btn-all-products {
        display: inline-block;
        background-color: var(--brand-orange);
        color: #fff;
        padding: 12px 35px;
        font-size: 16px;
        font-weight: 600;
        border-radius: 4px;
        text-decoration: none;
        transition: background-color 0.3s ease, transform 0.3s ease;
    }
    .solution-page .btn-all-products:hover {
        background-color: var(--brand-orange-hover);
        color: #fff;
        transform: translateY(-2px);
    }

    /* 5. Application Areas */
    .solution-page .app-row {
        display: flex;
        flex-wrap: wrap;
        align-items: flex-start;
        gap: 50px;
        margin-bottom: 80px;
    }
    .solution-page .app-row.reverse {
        flex-direction: row-reverse;
    }
    .solution-page .app-row:last-child {
        margin-bottom: 0;
    }
    .solution-page .app-img {
        flex: 1;
        min-width: 300px;
        border-radius: 16px;
        overflow: hidden;
        box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        position: relative;
    }
    .solution-page .app-img img {
        width: 100%;
        height: auto;
        display: block;
        transition: transform 0.5s ease;
    }
    .solution-page .app-img:hover img {
        transform: scale(1.05);
    }
    .solution-page .app-text {
        flex: 1;
        min-width: 300px;
        padding-top: 20px;
    }
    .solution-page .app-text h3 {
        font-size: 32px;
        font-weight: 700;
        margin-bottom: 30px;
        color: var(--text-dark);
        margin-top: 0;
    }
    .solution-page .app-text .sub-section {
        margin-bottom: 25px;
    }
    .solution-page .app-text h4 {
        font-size: 18px;
        font-weight: 600;
        margin-top: 0;
        margin-bottom: 10px;
        color: var(--text-dark);
    }
    .solution-page .app-text p {
        color: var(--text-gray);
        margin-bottom: 0;
        line-height: 1.7;
    }

    /* 6. Customer Cases */
    .solution-page .cases-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 30px;
    }
    .solution-page .case-card {
        background: #fff;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        transition: all 0.3s ease;
        border: 1px solid var(--border-color);
    }
    .solution-page .case-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        border-color: var(--brand-orange);
    }
    .solution-page .case-img {
        width: 100%;
        height: 220px;
        object-fit: cover;
        border-bottom: 1px solid var(--border-color);
    }
    .solution-page .case-content {
        padding: 20px;
        text-align: left;
    }
    .solution-page .case-title {
        font-size: 18px;
        font-weight: 600;
        margin-bottom: 10px;
        margin-top: 0;
    }
    .solution-page .case-title a {
        color: var(--text-dark);
        text-decoration: none;
        transition: color 0.3s;
    }
    .solution-page .case-title a:hover {
        color: var(--brand-orange);
    }
    .solution-page .case-card,
    .solution-page .case-card:focus,
    .solution-page .case-card:active,
    .solution-page .case-card:focus-within,
    .solution-page .case-card > a,
    .solution-page .case-card > a:focus,
    .solution-page .case-card > a:active,
    .solution-page .case-card > a:focus-visible,
    .solution-page .case-title a,
    .solution-page .case-title a:focus,
    .solution-page .case-title a:active,
    .solution-page .case-title a:focus-visible {
        outline: none !important;
        outline-offset: 0 !important;
        box-shadow: none !important;
        text-decoration: none !important;
        -webkit-tap-highlight-color: transparent;
    }
    .solution-page .case-card > a,
    .solution-page .case-card > a:focus,
    .solution-page .case-card > a:active,
    .solution-page .case-card > a:focus-visible,
    .solution-page .case-img {
        border-left: none !important;
        border-right: none !important;
        border-top: none !important;
    }
    .solution-page .case-card:hover .case-title a,
    .solution-page .case-card:focus-within .case-title a,
    .solution-page .case-title a:hover,
    .solution-page .case-title a:focus,
    .solution-page .case-title a:active,
    .solution-page .case-title a:focus-visible {
        color: var(--brand-orange) !important;
        -webkit-text-fill-color: var(--brand-orange) !important;
        transition: none !important;
    }
    .solution-page .case-date {
        color: var(--text-gray);
        font-size: 14px;
        margin: 0;
    }

    /* 7. Inquiry Section */
    .inquiry-section { padding: 80px 0; background: #fff; }
    .inquiry-wrapper {
        background: #fff;
        border-radius: 30px;
        padding: 50px;
        box-shadow: 0 40px 80px rgba(0,0,0,0.05);
        border: 1px solid #f0f0f0;
        max-width: 900px;
        margin: 0 auto;
    }
    .modern-form .form-control {
        background: #f9f9fb !important;
        border: 1px solid #e5e5e5 !important;
        border-radius: 12px !important;
        height: 50px;
        margin-bottom: 20px;
        transition: 0.3s;
        color: #333;
        width: 100%;
        padding: 10px 15px;
        box-sizing: border-box;
    }
    textarea.form-control {
        height: auto;
    }
    .modern-form .form-control:focus {
        border-color: var(--brand-orange) !important;
        background: #fff !important;
        box-shadow: 0 0 0 4px rgba(255,106,0,0.1) !important;
        outline: none;
    }
    .cta-submit-btn {
        background: var(--brand-orange);
        color: #fff;
        border: none;
        padding: 18px 70px;
        font-size: 16px;
        font-weight: 700;
        border-radius: 50px;
        cursor: pointer;
        transition: 0.3s;
        box-shadow: 0 10px 20px rgba(255,106,0,0.25);
        margin-top: 10px;
    }
    .cta-submit-btn:hover {
        transform: translateY(-3px);
        box-shadow: 0 15px 30px rgba(255,106,0,0.4);
        background: var(--brand-orange-hover);
    }
    .form-row {
        display: flex;
        flex-wrap: wrap;
        margin-right: -10px;
        margin-left: -10px;
    }
    .form-col-6 {
        flex: 0 0 50%;
        max-width: 50%;
        padding-right: 10px;
        padding-left: 10px;
        box-sizing: border-box;
    }
    .form-col-12 {
        flex: 0 0 100%;
        max-width: 100%;
        padding-right: 10px;
        padding-left: 10px;
        box-sizing: border-box;
    }

    @keyframes fadeInUp {
        from { opacity: 0; transform: translate(-50%, calc(-50% + 30px)); }
        to { opacity: 1; transform: translate(-50%, -50%); }
    }

    @media (max-width: 768px) {
        .solution-page .hero-content h1 { font-size: 36px; }
        .solution-page h2.section-title { font-size: 28px; }
        .solution-page .app-row { gap: 30px; }
        .solution-page .app-text h3 { font-size: 24px; }
        .solution-page .products-grid { grid-template-columns: 1fr; }
        .solution-page .product-img { height: auto; aspect-ratio: 1 / 1; }
        
        /* Inquiry Form Mobile */
        .inquiry-section { padding: 40px 0; }
        .inquiry-wrapper { padding: 30px 20px; }
        .form-col-6 { flex: 0 0 100%; max-width: 100%; }
        .cta-submit-btn { width: 100%; }
    }

/* Commercial Solar Solutions page-specific adjustments */
html[lang="en"] .solution-page .hero-bg-img {
    min-height: 300px;
}
html[lang="en"] .solution-page .hero-overlay {
    background: rgba(0, 0, 0, 0.5);
}
html[lang="en"] .solution-page .hero-content h1 {
    font-size: 52px;
}
html[lang="en"] .solution-page .advantages-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
html[lang="en"] .solution-page .adv-card {
    border: 1px solid var(--border-color);
}
html[lang="en"] .solution-page .adv-icon {
    font-size: 45px;
    margin-bottom: 25px;
    display: block;
    text-align: center;
}
html[lang="en"] .solution-page .adv-card h3 {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    line-height: 1.4;
}
html[lang="en"] .solution-page .adv-card p {
    text-align: center;
    line-height: 1.6;
}
html[lang="en"] .solution-page .app-img {
    border-radius: 12px;
}
html[lang="en"] .solution-page .app-text {
    padding-top: 10px;
}
html[lang="en"] .solution-page .app-text h3 {
    font-size: 28px;
}
html[lang="en"] .solution-page .app-text h4 {
    font-weight: 700;
    margin-bottom: 8px;
}
html[lang="en"] .solution-page .app-text p {
    line-height: 1.6;
    font-size: 15px;
}

@media (max-width: 768px) {
    html[lang="en"] .solution-page .hero-content h1 {
        font-size: 18px;
        line-height: 1.2;
        max-width: 95%;
        margin: 0 auto;
        white-space: normal;
        letter-spacing: 0;
    }
}