/* Viola Concept's - media 頁專用樣式 (由原始設計擷取，確保 100% 一致) */
        /* ==================== CSS 變數 ==================== */
        :root {
            --primary-black: #1a1a1a;
            --secondary-black: #333333;
            --dark-gray: #2a2a2a;
            --primary-white: #ffffff;
            --off-white: #f8f8f8;
            --gray-light: #e5e5e5;
            --gray-medium: #999999;
            --gray-dark: #666666;
            --accent-gold: #c9a962;
            --transition-speed: 0.3s;
            --header-height: 80px;
        }

        /* ==================== Reset & Base ==================== */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Noto Sans TC', sans-serif;
            background-color: var(--primary-white);
            color: var(--primary-black);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition-speed) ease; }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; }
        .container { max-width: 1400px; margin: 0 auto; padding: 0 30px; }

        /* ==================== Header ==================== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: var(--primary-white);
            z-index: 1000;
            transition: all var(--transition-speed) ease;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
        }
        .header.scrolled {
            height: 70px;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 30px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            z-index: 1001;
        }
        .logo img { height: 50px; width: auto; transition: transform var(--transition-speed) ease; }
        .logo:hover img { transform: scale(1.05); }
        .logo-text { font-size: 1.4rem; font-weight: 700; color: var(--primary-black); }
        .logo-text span { color: var(--accent-gold); }
        .nav-desktop { display: flex; align-items: center; gap: 8px; }
        .nav-link {
            position: relative;
            padding: 12px 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--secondary-black);
            transition: all var(--transition-speed) ease;
        }
        .nav-link::before {
            content: '';
            position: absolute;
            bottom: 8px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--primary-black);
            transition: all var(--transition-speed) ease;
            transform: translateX(-50%);
        }
        .nav-link:hover, .nav-link.active { color: var(--primary-black); }
        .nav-link:hover::before, .nav-link.active::before { width: calc(100% - 40px); }
        .nav-cta {
            margin-left: 15px;
            padding: 12px 28px;
            background: var(--primary-black);
            color: var(--primary-white);
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: 30px;
            transition: all var(--transition-speed) ease;
        }
        .nav-cta:hover {
            background: var(--secondary-black);
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
        }
        .hamburger {
            display: none;
            width: 32px;
            height: 24px;
            position: relative;
            cursor: pointer;
            z-index: 1001;
        }
        .hamburger span {
            position: absolute;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--primary-black);
            border-radius: 3px;
            transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        }
        .hamburger span:nth-child(1) { top: 0; }
        .hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
        .hamburger span:nth-child(3) { bottom: 0; }
        .hamburger.active span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
        .hamburger.active span:nth-child(2) { opacity: 0; transform: translateX(20px); }
        .hamburger.active span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }
        .nav-mobile {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            height: 100vh;
            background: var(--primary-white);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 10px;
            transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
            z-index: 999;
        }
        .nav-mobile.active { right: 0; }
        .nav-mobile .nav-link {
            font-size: 1.5rem;
            padding: 15px 30px;
            opacity: 0;
            transform: translateX(50px);
            transition: all 0.4s ease;
        }
        .nav-mobile.active .nav-link { opacity: 1; transform: translateX(0); }
        .nav-mobile.active .nav-link:nth-child(1) { transition-delay: 0.1s; }
        .nav-mobile.active .nav-link:nth-child(2) { transition-delay: 0.15s; }
        .nav-mobile.active .nav-link:nth-child(3) { transition-delay: 0.2s; }
        .nav-mobile.active .nav-link:nth-child(4) { transition-delay: 0.25s; }
        .nav-mobile.active .nav-link:nth-child(5) { transition-delay: 0.3s; }
        .nav-mobile.active .nav-link:nth-child(6) { transition-delay: 0.35s; }
        .nav-mobile .nav-cta {
            margin-top: 30px;
            font-size: 1.1rem;
            padding: 15px 40px;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.4s ease 0.5s;
        }
        .nav-mobile.active .nav-cta { opacity: 1; transform: translateY(0); }
        .mobile-social { display: flex; gap: 20px; margin-top: 40px; opacity: 0; transition: opacity 0.4s ease 0.6s; }
        .nav-mobile.active .mobile-social { opacity: 1; }
        .mobile-social a {
            width: 45px;
            height: 45px;
            border: 2px solid var(--primary-black);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: all var(--transition-speed) ease;
        }
        .mobile-social a:hover { background: var(--primary-black); color: var(--primary-white); }

        /* ==================== Page Banner ==================== */
        .page-banner {
            position: relative;
            height: 45vh;
            min-height: 350px;
            margin-top: var(--header-height);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .page-banner-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('/photo/b01.jpg') center/cover no-repeat;
        }
        .page-banner-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.5) 100%);
        }
        .page-banner-content {
            position: relative;
            z-index: 10;
            text-align: center;
            color: var(--primary-white);
        }
        .page-banner-subtitle {
            font-size: 1rem;
            letter-spacing: 4px;
            text-transform: uppercase;
            margin-bottom: 15px;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.8s ease 0.2s forwards;
        }
        .page-banner-title {
            font-size: 3.5rem;
            font-weight: 900;
            margin-bottom: 20px;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.8s ease 0.4s forwards;
        }
        .page-banner-title span { color: var(--accent-gold); }
        .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 10px;
            font-size: 0.95rem;
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.8s ease 0.6s forwards;
        }
        .breadcrumb a { color: var(--gray-medium); }
        .breadcrumb a:hover { color: var(--accent-gold); }
        @keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }

        /* ==================== Section Common ==================== */
        .section { padding: 80px 0; }
        .section-header { text-align: center; margin-bottom: 50px; }
        .section-subtitle {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--accent-gold);
            letter-spacing: 3px;
            text-transform: uppercase;
            margin-bottom: 15px;
        }
        .section-title { font-size: 2.5rem; font-weight: 700; color: var(--primary-black); margin-bottom: 20px; }
        .section-title span { color: var(--accent-gold); }
        .section-description { font-size: 1.1rem; color: var(--gray-dark); max-width: 700px; margin: 0 auto; }

        /* ==================== Media Filter ==================== */
        .media-filter {
            background: var(--off-white);
            padding: 30px 0;
            border-bottom: 1px solid var(--gray-light);
        }
        .filter-wrapper {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }
        .filter-btn {
            padding: 12px 30px;
            background: var(--primary-white);
            border: 2px solid var(--gray-light);
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--secondary-black);
            cursor: pointer;
            transition: all var(--transition-speed) ease;
        }
        .filter-btn:hover, .filter-btn.active {
            background: var(--primary-black);
            border-color: var(--primary-black);
            color: var(--primary-white);
        }
        .filter-btn i { margin-right: 8px; }

        /* ==================== Video Section ==================== */
        .video-section { background: var(--primary-white); }
        .video-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .video-card {
            background: var(--primary-white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
            transition: all var(--transition-speed) ease;
        }
        .video-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(0,0,0,0.15);
        }
        .video-wrapper {
            position: relative;
            width: 100%;
            padding-bottom: 56.25%; /* 16:9 */
            background: var(--primary-black);
        }
        .video-wrapper video {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .video-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 70px;
            height: 70px;
            background: rgba(255,255,255,0.95);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-speed) ease;
            z-index: 10;
        }
        .video-play-btn i {
            font-size: 1.5rem;
            color: var(--primary-black);
            margin-left: 5px;
        }
        .video-play-btn:hover {
            transform: translate(-50%, -50%) scale(1.1);
            background: var(--accent-gold);
        }
        .video-play-btn:hover i { color: var(--primary-white); }
        .video-play-btn.playing { opacity: 0; pointer-events: none; }
        .video-card-content { padding: 25px; }
        .video-card-content h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--primary-black);
        }
        .video-card-content p {
            font-size: 0.9rem;
            color: var(--gray-dark);
            line-height: 1.7;
            margin-bottom: 15px;
        }
        .video-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .video-tags span {
            background: var(--off-white);
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 0.75rem;
            color: var(--gray-dark);
        }

        /* ==================== Photo Gallery ==================== */
        .photo-section { background: var(--off-white); }
        .photo-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .photo-item {
            position: relative;
            border-radius: 15px;
            overflow: hidden;
            cursor: pointer;
            aspect-ratio: 1;
        }
        .photo-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .photo-item:hover img { transform: scale(1.1); }
        .photo-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
            opacity: 0;
            transition: all var(--transition-speed) ease;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 20px;
        }
        .photo-item:hover .photo-overlay { opacity: 1; }
        .photo-overlay h4 {
            color: var(--primary-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 5px;
        }
        .photo-overlay span {
            color: var(--accent-gold);
            font-size: 0.85rem;
        }
        .photo-zoom {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%) scale(0);
            width: 50px;
            height: 50px;
            background: var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-white);
            transition: all var(--transition-speed) ease;
        }
        .photo-item:hover .photo-zoom { transform: translate(-50%, -50%) scale(1); }

        /* Large Feature Photos */
        .photo-item.large {
            grid-column: span 2;
            grid-row: span 2;
        }

        /* ==================== Testimonial Section ==================== */
        .testimonial-section { background: var(--primary-black); color: var(--primary-white); }
        .testimonial-section .section-title { color: var(--primary-white); }
        .testimonial-section .section-description { color: var(--gray-medium); }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .testimonial-card {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 20px;
            padding: 35px;
            transition: all var(--transition-speed) ease;
        }
        .testimonial-card:hover {
            background: rgba(255,255,255,0.08);
            transform: translateY(-5px);
        }
        .testimonial-stars {
            color: var(--accent-gold);
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        .testimonial-card p {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--gray-light);
            margin-bottom: 25px;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .testimonial-avatar {
            width: 50px;
            height: 50px;
            background: var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary-white);
        }
        .testimonial-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 3px;
        }
        .testimonial-info span {
            font-size: 0.85rem;
            color: var(--gray-medium);
        }

        /* ==================== CTA Section ==================== */
        .cta-section {
            background: linear-gradient(135deg, var(--off-white) 0%, var(--gray-light) 100%);
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 { font-size: 2.2rem; font-weight: 700; margin-bottom: 20px; color: var(--primary-black); }
        .cta-section h2 span { color: var(--accent-gold); }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--gray-dark);
            margin-bottom: 35px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-buttons { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 500;
            transition: all var(--transition-speed) ease;
        }
        .cta-btn-primary { background: var(--primary-black); color: var(--primary-white); }
        .cta-btn-primary:hover {
            background: var(--accent-gold);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(201, 169, 98, 0.3);
        }
        .cta-btn-secondary {
            background: transparent;
            color: var(--primary-black);
            border: 2px solid var(--primary-black);
        }
        .cta-btn-secondary:hover {
            background: var(--primary-black);
            color: var(--primary-white);
            transform: translateY(-3px);
        }

        /* ==================== Lightbox ==================== */
        .lightbox {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.95);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-speed) ease;
        }
        .lightbox.active { opacity: 1; visibility: visible; }
        .lightbox-content {
            position: relative;
            max-width: 90%;
            max-height: 90%;
        }
        .lightbox-content img {
            max-width: 100%;
            max-height: 85vh;
            border-radius: 10px;
        }
        .lightbox-close {
            position: absolute;
            top: -50px;
            right: 0;
            width: 45px;
            height: 45px;
            background: var(--primary-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.2rem;
            transition: all var(--transition-speed) ease;
        }
        .lightbox-close:hover { background: var(--accent-gold); color: var(--primary-white); }
        .lightbox-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 50px;
            height: 50px;
            background: var(--primary-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.2rem;
            transition: all var(--transition-speed) ease;
        }
        .lightbox-nav:hover { background: var(--accent-gold); color: var(--primary-white); }
        .lightbox-prev { left: -70px; }
        .lightbox-next { right: -70px; }
        .lightbox-caption {
            text-align: center;
            color: var(--primary-white);
            margin-top: 20px;
            font-size: 1rem;
        }

        /* ==================== Footer ==================== */
        .footer { background: var(--primary-black); color: var(--primary-white); position: relative; overflow: hidden; }
        .footer::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(201, 169, 98, 0.05) 0%, transparent 70%);
        }
        .footer-main { padding: 80px 30px 60px; position: relative; z-index: 1; }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 60px;
        }
        .footer-column h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 25px;
            color: var(--primary-white);
            position: relative;
            padding-bottom: 12px;
        }
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--accent-gold);
        }
        .footer-about .footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
        .footer-about .footer-logo img { width: 50px; height: 50px; object-fit: contain; }
        .footer-about .footer-logo span { font-size: 1.3rem; font-weight: 700; }
        .footer-about .footer-logo span em { color: var(--accent-gold); font-style: normal; }
        .footer-about p { color: var(--gray-medium); font-size: 0.95rem; line-height: 1.8; margin-bottom: 25px; }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            width: 42px;
            height: 42px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--gray-medium);
            transition: all var(--transition-speed) ease;
        }
        .footer-social a:hover {
            background: var(--accent-gold);
            border-color: var(--accent-gold);
            color: var(--primary-white);
            transform: translateY(-3px);
        }
        .footer-keywords { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 15px; }
        .footer-keywords span {
            background: rgba(255, 255, 255, 0.05);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--gray-medium);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-links ul, .footer-services ul { display: flex; flex-direction: column; gap: 12px; }
        .footer-links li a, .footer-services li a {
            color: var(--gray-medium);
            font-size: 0.95rem;
            transition: all var(--transition-speed) ease;
        }
        .footer-links li a:hover, .footer-services li a:hover { color: var(--primary-white); padding-left: 10px; }
        .footer-services li a { display: inline-flex; align-items: center; gap: 10px; }
        .footer-services li a i {
            font-size: 0.75rem;
            color: var(--accent-gold);
            opacity: 0;
            transform: translateX(-10px);
            transition: all var(--transition-speed) ease;
        }
        .footer-services li a:hover i { opacity: 1; transform: translateX(0); }
        .footer-contact ul { display: flex; flex-direction: column; gap: 20px; }
        .footer-contact li { display: flex; align-items: flex-start; gap: 15px; }
        .footer-contact li .icon {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            flex-shrink: 0;
        }
        .footer-contact li .text { display: flex; flex-direction: column; gap: 3px; }
        .footer-contact li .text strong { color: var(--primary-white); font-size: 0.9rem; }
        .footer-contact li .text span, .footer-contact li .text a { color: var(--gray-medium); font-size: 0.9rem; }
        .footer-contact li .text a:hover { color: var(--accent-gold); }
        .opening-hours {
            margin-top: 20px;
            padding: 20px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .opening-hours h4 {
            font-size: 0.9rem;
            color: var(--primary-white);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .opening-hours h4 i { color: var(--accent-gold); }
        .opening-hours p { font-size: 0.85rem; color: var(--gray-medium); line-height: 1.8; }
        .footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 25px 30px; }
        .footer-bottom-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }
        .copyright { color: var(--gray-dark); font-size: 0.85rem; }
        .copyright a { color: var(--gray-medium); }
        .copyright a:hover { color: var(--accent-gold); }
        .footer-bottom-links { display: flex; gap: 25px; }
        .footer-bottom-links a { color: var(--gray-dark); font-size: 0.85rem; }
        .footer-bottom-links a:hover { color: var(--accent-gold); }

        /* ==================== WhatsApp & Back to Top ==================== */
        .whatsapp-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: #25D366;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 28px;
            box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
            z-index: 998;
            transition: all var(--transition-speed) ease;
            animation: whatsappPulse 2s infinite;
        }
        .whatsapp-btn:hover { transform: scale(1.1); }
        @keyframes whatsappPulse {
            0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
            50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
        }
        .back-to-top {
            position: fixed;
            bottom: 100px;
            right: 30px;
            width: 45px;
            height: 45px;
            background: var(--primary-black);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-white);
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-speed) ease;
            z-index: 997;
        }
        .back-to-top.visible { opacity: 1; visibility: visible; }
        .back-to-top:hover { background: var(--accent-gold); border-color: var(--accent-gold); }

        /* ==================== Responsive ==================== */
        @media (max-width: 1200px) {
            .video-grid { grid-template-columns: repeat(2, 1fr); }
            .photo-grid { grid-template-columns: repeat(3, 1fr); }
            .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-container { grid-template-columns: 1fr 1fr; gap: 50px; }
        }
        @media (max-width: 992px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .page-banner-title { font-size: 2.5rem; }
            .photo-item.large { grid-column: span 1; grid-row: span 1; }
            .lightbox-prev { left: 20px; }
            .lightbox-next { right: 20px; }
        }
        @media (max-width: 768px) {
            .section { padding: 60px 0; }
            .section-title { font-size: 2rem; }
            .page-banner { min-height: 300px; }
            .page-banner-title { font-size: 2rem; }
            .video-grid { grid-template-columns: 1fr; }
            .photo-grid { grid-template-columns: repeat(2, 1fr); }
            .testimonial-grid { grid-template-columns: 1fr; }
            .filter-wrapper { gap: 10px; }
            .filter-btn { padding: 10px 20px; font-size: 0.85rem; }
            .footer-container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
            .footer-column h3::after { left: 50%; transform: translateX(-50%); }
            .footer-about .footer-logo { justify-content: center; }
            .footer-social, .footer-keywords { justify-content: center; }
            .footer-links ul, .footer-services ul, .footer-contact ul { align-items: center; }
            .footer-contact li { flex-direction: column; align-items: center; text-align: center; }
            .footer-bottom-container { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.8rem; }
            .cta-buttons { flex-direction: column; align-items: center; }
            .cta-btn { width: 100%; max-width: 280px; justify-content: center; }
            .whatsapp-btn { width: 55px; height: 55px; bottom: 20px; right: 20px; font-size: 24px; }
            .back-to-top { right: 20px; bottom: 85px; }
            .lightbox-nav { display: none; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 20px; }
            .logo-text { font-size: 1.1rem; }
            .logo img { height: 40px; }
            .page-banner-title { font-size: 1.7rem; }
            .photo-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
        }