:root {
            /* Aviation-themed color palette */
            --sky-blue: #4A90E2;
            --cloud-white: #F8FAFE;
            --horizon-blue: #6BB6FF;
            --aircraft-silver: #C0C8D1;
            --sunset-orange: #FF8C42;
            --deep-blue: #2C5282;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --font-sans-serif: 'Helvetica Neue', 'Arial', sans-serif;
            --header-height: 70px;
        }

        body.modal-open {
            overflow: hidden;
        }

        body {
            color: #333;
            font-family: var(--font-sans-serif);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            /* Enhanced aviation-themed sky background with smooth transitions */
            background: 
                /* Multi-layer sky gradient for smooth transitions */
                linear-gradient(180deg, 
                    rgba(248, 250, 254, 0.95) 0%,    /* Light cloud white (matches header) */
                    rgba(176, 224, 230, 0.8) 15%,    /* Powder blue */
                    rgba(135, 206, 235, 0.7) 35%,    /* Sky blue */
                    rgba(224, 246, 255, 0.8) 55%,    /* Light blue */
                    rgba(255, 248, 220, 0.9) 75%,    /* Cornsilk (horizon) */
                    rgba(74, 144, 226, 0.3) 85%,     /* Transition to footer */
                    rgba(44, 82, 130, 0.6) 100%      /* Deep blue (matches footer) */
                );
            background-size: 100% 100%;
            background-repeat: no-repeat;
            padding-top: var(--header-height);
        }



        .gallery-container {
            padding: 2rem;
            max-width: 1600px;
            margin: 0 auto;
        }

        h1, h2, h3 {
            font-family: var(--font-serif);
            text-shadow: 0 0 1px rgba(0,0,0,0.1), 0 0 2px rgba(0,0,0,0.1);
            color: var(--deep-blue);
        }

        /* Aviation-themed paper sheets with cloud-like edges */
        .paper-sheet {
            background: linear-gradient(135deg, var(--cloud-white) 0%, #ffffff 100%);
            padding: 1.5rem;
            margin-bottom: 2rem;
            position: relative;
            box-shadow: 0 10px 30px rgba(74, 144, 226, 0.15);
            border-radius: 12px;
            border: 1px solid rgba(74, 144, 226, 0.1);
            transition: all 0.3s ease-in-out;
        }

        /* Cloud-like decorative elements */
        .paper-sheet::before {
            content: '✈️';
            position: absolute;
            top: -8px;
            right: 20px;
            font-size: 1.2rem;
            opacity: 0.6;
            animation: fly 8s ease-in-out infinite;
        }

        @keyframes fly {
            0%, 100% { transform: translateX(0px) translateY(0px); }
            25% { transform: translateX(10px) translateY(-5px); }
            50% { transform: translateX(20px) translateY(0px); }
            75% { transform: translateX(10px) translateY(5px); }
        }

        .paper-sheet:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(74, 144, 226, 0.2);
            border-color: var(--sky-blue);
        }

        /* Remove old deckled edges */
        .paper-sheet::after {
            display: none;
        }

        /* Welcome header enhancements */
        .welcome-header {
            text-align: center;
            background: linear-gradient(135deg, var(--cloud-white) 0%, rgba(255, 255, 255, 0.95) 100%);
            position: relative;
            overflow: hidden;
        }
        .welcome-header::before {
            content: '✈️';
            position: absolute;
            top: -8px;
            right: 20px;
            font-size: 1.5rem;
            opacity: 0.4;
            animation: fly 10s ease-in-out infinite;
        }
        .welcome-header h1 {
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--sky-blue) 0%, var(--horizon-blue) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .welcome-header p {
            font-size: 1.1rem;
            color: rgba(44, 82, 130, 0.8);
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        .welcome-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }
        .feature-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 1rem;
            background: rgba(74, 144, 226, 0.05);
            border-radius: 15px;
            transition: all 0.3s ease;
            border: 1px solid rgba(74, 144, 226, 0.1);
        }
        .feature-item:hover {
            transform: translateY(-5px);
            background: rgba(74, 144, 226, 0.1);
            box-shadow: 0 8px 20px rgba(74, 144, 226, 0.15);
        }
        .feature-icon {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            animation: bounce 2s ease-in-out infinite;
        }
        .feature-item:nth-child(2) .feature-icon {
            animation-delay: 0.5s;
        }
        .feature-item:nth-child(3) .feature-icon {
            animation-delay: 1s;
        }
        .feature-item:nth-child(4) .feature-icon {
            animation-delay: 1.5s;
        }
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
            40% { transform: translateY(-5px); }
            60% { transform: translateY(-3px); }
        }
        .feature-text {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--deep-blue);
        }

        .image-cluster {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        /* 新的分类图片展示样式 */
        .type-section {
            margin-bottom: 3rem;
        }

        .type-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(74, 144, 226, 0.2);
        }

        .type-header-left {
            display: flex;
            align-items: center;
            flex: 1;
        }

        .type-title {
            font-size: 1.5rem;
            color: var(--deep-blue);
            margin: 0;
            font-weight: 600;
        }

        .type-description {
            font-size: 0.9rem;
            color: #666;
            margin-left: 1rem;
        }

        .view-all-btn {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            background: linear-gradient(135deg, var(--sky-blue) 0%, var(--horizon-blue) 100%);
            color: white !important;
            text-decoration: none;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(74, 144, 226, 0.3);
        }

        .view-all-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(74, 144, 226, 0.4);
            text-decoration: none;
            color: white !important;
        }

        .view-all-btn i {
            margin-left: 0.5rem;
            font-size: 0.8rem;
        }

        .type-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 1rem;
            min-height: 500px;
        }

        .type-grid .image-card:first-child {
            grid-row: 1 / 3;
            grid-column: 1 / 2;
            display: flex;
            flex-direction: column;
            min-height: 480px;
        }

        .type-grid .image-card:first-child img {
            height: 320px;
            flex-shrink: 0;
            object-fit: cover;
        }

        .type-grid .image-card:first-child .image-card-content {
            flex: 1;
            padding: 1.2rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            background: var(--cloud-white);
        }

        .type-grid .image-card:first-child .image-card-content h3 {
            color: var(--deep-blue);
            font-size: 1.4rem;
            margin-bottom: 0.5rem;
        }

        .type-grid .image-card:first-child .image-card-content p {
            color: #666;
            margin-bottom: 0.3rem;
            font-size: 0.95rem;
        }

        .type-grid .image-card:first-child .image-card-footer {
            background: linear-gradient(90deg, rgba(74, 144, 226, 0.05) 0%, rgba(107, 182, 255, 0.05) 100%);
            border-top: 1px solid rgba(74, 144, 226, 0.1);
            color: var(--deep-blue);
            margin-top: auto;
        }

        .type-grid .image-card:first-child .image-card-footer .stats span {
            color: var(--sky-blue);
        }

        .type-grid .image-card:nth-child(2) { grid-row: 1; grid-column: 2; }
        .type-grid .image-card:nth-child(3) { grid-row: 1; grid-column: 3; }
        .type-grid .image-card:nth-child(4) { grid-row: 2; grid-column: 2; }
        .type-grid .image-card:nth-child(5) { grid-row: 2; grid-column: 3; }

        /* 小图片样式优化 */
        .type-grid .image-card:not(:first-child) {
            display: flex;
            flex-direction: column;
            min-height: 240px;
            height: auto;
        }

        .type-grid .image-card:not(:first-child) img {
            height: 120px;
            flex-shrink: 0;
            object-fit: cover;
        }

        .type-grid .image-card:not(:first-child) .image-card-content {
            flex: 1;
            padding: 0.8rem;
            display: flex;
            flex-direction: column;
        }

        .type-grid .image-card:not(:first-child) .image-card-content h3 {
            font-size: 0.95rem;
            margin-bottom: 0.4rem;
            line-height: 1.2;
            font-weight: 600;
        }

        .type-grid .image-card:not(:first-child) .image-card-content p {
            font-size: 0.75rem;
            margin-bottom: 0.25rem;
            line-height: 1.3;
            color: #666;
        }

        .type-grid .image-card:not(:first-child) .image-card-footer {
            padding: 0.5rem 0.8rem;
            font-size: 0.7rem;
            margin-top: auto;
            flex-shrink: 0;
        }

        .type-grid-row2 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .type-grid-row2 .image-card {
            min-height: 300px;
            height: auto;
            display: flex;
            flex-direction: column;
        }

        .type-grid-row2 .image-card img {
            height: 160px;
            flex-shrink: 0;
            object-fit: cover;
        }

        .type-grid-row2 .image-card-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 1rem;
        }

        .type-grid-row2 .image-card-content h3 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
            line-height: 1.3;
            font-weight: 600;
        }

        .type-grid-row2 .image-card-content p {
            font-size: 0.85rem;
            margin-bottom: 0.4rem;
            line-height: 1.4;
            color: #666;
        }

        .type-grid-row2 .image-card-footer {
            margin-top: auto;
            flex-shrink: 0;
        }

        .image-card {
            background: var(--cloud-white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(74, 144, 226, 0.12);
            border: 1px solid rgba(74, 144, 226, 0.1);
            transition: all 0.3s ease;
            position: relative;
            display: flex;
            flex-direction: column;
            min-height: 280px;
        }

        /* 图片ID标识 */
        .image-id-badge {
            position: absolute;
            top: 8px;
            right: 8px;
            background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
            color: white;
            padding: 4px 8px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 10;
            box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
            transition: all 0.3s ease;
        }

        .image-id-badge:hover {
            transform: scale(1.1);
            box-shadow: 0 4px 12px rgba(0, 123, 255, 0.4);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .type-grid {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
                height: auto;
            }

            .type-grid .image-card:first-child {
                grid-row: auto;
                grid-column: auto;
            }

            .type-grid .image-card:first-child img {
                height: 250px;
                min-height: auto;
            }

            .type-grid .image-card:first-child .image-card-content {
                position: relative;
                background: var(--cloud-white);
                color: var(--deep-blue);
                padding: 1rem;
            }

            .type-grid .image-card:first-child .image-card-content h3 {
                color: var(--deep-blue);
                font-size: 1.2rem;
            }

            .type-grid .image-card:first-child .image-card-content p {
                color: #666;
            }

            .type-grid .image-card:first-child .image-card-footer {
                background: linear-gradient(90deg, rgba(74, 144, 226, 0.05) 0%, rgba(107, 182, 255, 0.05) 100%);
                border-top: 1px solid rgba(74, 144, 226, 0.1);
                color: var(--deep-blue);
            }

            .type-grid .image-card:first-child .image-card-footer .stats span {
                color: var(--sky-blue);
            }

            .type-grid .image-card:nth-child(2),
            .type-grid .image-card:nth-child(3),
            .type-grid .image-card:nth-child(4),
            .type-grid .image-card:nth-child(5) {
                grid-row: auto;
                grid-column: auto;
            }

            .type-grid .image-card:not(:first-child) img {
                height: 200px;
            }

            .type-grid-row2 {
                grid-template-columns: repeat(2, 1fr);
                width: 100%;
            }

            .type-header {
                align-items: flex-start;
                gap: 1rem;
            }

            .type-header-left {
                flex-direction: column;
                align-items: flex-start;
            }

            .type-description {
                margin-left: 0;
                margin-top: 0.5rem;
            }

            .view-all-btn {
                align-self: flex-end;
            }
        }

        @media (max-width: 480px) {
            .welcome-features {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .image-cluster {
                grid-template-columns: repeat(1, 1fr);
            }
            .welcome-features {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-item {
                padding: 0.8rem;
            }
            .stats-item {
                padding: 1.5rem 1rem;
            }
            .stats-value {
                font-size: 2rem;
            }
            .stats-icon {
                font-size: 2.5rem;
            }
        }

        .image-card::before {
            content: '';
            position: absolute;
            top: 8px;
            right: 8px;
            width: 20px;
            height: 20px;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%234A90E2"><path d="M21 16v-2l-8-5V3.5c0-.83-.67-1.5-1.5-1.5S10 2.67 10 3.5V9l-8 5v2l8-2.5V19l-2 1.5V22l3.5-1 3.5 1v-1.5L13 19v-5.5l8 2.5z"/></svg>') no-repeat center;
            background-size: contain;
            opacity: 0.3;
            z-index: 1;
        }

        .image-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(74, 144, 226, 0.2);
            border-color: var(--sky-blue);
        }

        .image-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .image-card-content {
            padding: 1rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .image-card-content h3 {
            margin: 0 0 0.5rem 0;
            font-size: 1.2rem;
            color: var(--deep-blue);
            font-weight: 600;
        }

        .image-card-content p {
            margin: 0 0 0.3rem 0;
            font-size: 0.9rem;
            color: #666;
            line-height: 1.4;
        }

        .image-card-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.5rem 1rem;
            background: linear-gradient(90deg, rgba(74, 144, 226, 0.05) 0%, rgba(107, 182, 255, 0.05) 100%);
            border-top: 1px solid rgba(74, 144, 226, 0.1);
            font-size: 0.8rem;
            color: var(--deep-blue);
            margin-top: auto;
            flex-shrink: 0;
        }
        .image-card-footer .stats span {
            margin-right: 0.8rem;
            color: var(--sky-blue);
        }
        .image-card-footer .stats i {
            margin-right: 4px;
        }

        /* Hero slider with aviation theme */
        .hero-slider {
            position: relative;
            width: 100%;
            height: 85vh;
            overflow: hidden;
            border-radius: 0;
            background-color: #000;
        }
        .hero-slider .slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            pointer-events: none;
            transition: opacity 1s ease-in-out;
        }
        .hero-slider .slide.active {
            opacity: 1;
            pointer-events: auto;
        }
        .hero-slider img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        .hero-slider .slide-content {
            position: absolute;
            bottom: 20px;
            left: 20px;
            color: white;
            text-shadow: 0 2px 4px rgba(0,0,0,0.7);
            background: rgba(74, 144, 226, 0.2);
            padding: 0 1rem;
            border-radius: 8px;
            backdrop-filter: blur(10px);
        }
        .hero-slider .slide-content h3 {
            color: white;
        }
        .hero-slider .slide-content p {
            margin: 0;
            line-height: 1.3;
        }
        .hero-slider .slide-content p:first-child {
            font-size: 1.2rem;
            font-weight: bold;
            margin-bottom: 0.15rem;
        }

        /* Aviation-themed slider arrows */
        .slider-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(74, 144, 226, 0.8);
            color: white;
            padding: 15px 20px;
            border-radius: 50%;
            cursor: pointer;
            z-index: 10;
            transition: all 0.3s ease;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        .slider-arrow:hover {
            background: var(--sky-blue);
            transform: translateY(-50%) scale(1.1);
        }
        .slider-arrow.prev { left: 15px; }
        .slider-arrow.next { right: 15px; }

        @media (max-width: 768px) {
            .hero-slider {
                height: auto;
                aspect-ratio: 16 / 10;
                max-height: 70vh;
            }
            .hero-slider .slide-content {
                bottom: 10px;
                left: 10px;
                padding: 0 0.5rem;
                border-radius: 6px;
            }
            .hero-slider .slide-content h3 {
                font-size: 1rem;
                margin-bottom: 0.25rem;
            }
            .hero-slider .slide-content p {
                font-size: 0.75rem;
                line-height: 1.2;
            }
            .hero-slider .slide-content p:first-child {
                font-size: 0.9rem;
                margin-bottom: 0.05rem;
            }

            .slider-arrow {
                background: rgba(0, 0, 0, 0.4);
                padding: 8px;
                border-radius: 8px;
                border: none;
                box-shadow: none;
            }
            .slider-arrow:hover {
                background: rgba(0, 0, 0, 0.6);
                transform: translateY(-50%);
            }
            .slider-arrow.prev { left: 10px; }
            .slider-arrow.next { right: 10px; }
        }

        /* Enhanced search section with aviation styling */
        .search-section {
            display: flex;
            gap: 0;
            align-items: stretch;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 30px;
            padding: 0.3rem;
            box-shadow: 0 8px 25px rgba(74, 144, 226, 0.15);
            border: 2px solid rgba(74, 144, 226, 0.1);
            transition: all 0.3s ease;
        }
        .search-section:hover {
            box-shadow: 0 12px 35px rgba(74, 144, 226, 0.2);
            border-color: var(--sky-blue);
        }
        .search-category {
            position: relative;
        }
        .search-select {
            padding: 0.8rem 1rem;
            border: none;
            background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(107, 182, 255, 0.1) 100%);
            color: var(--deep-blue);
            border-radius: 25px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            min-width: 160px;
            appearance: none;
            background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%234A90E2"><path d="M7 10l5 5 5-5z"/></svg>');
            background-repeat: no-repeat;
            background-position: right 0.8rem center;
            background-size: 1rem;
            padding-right: 2.5rem;
        }
        .search-select:hover {
            background: linear-gradient(135deg, rgba(74, 144, 226, 0.15) 0%, rgba(107, 182, 255, 0.15) 100%);
            transform: translateY(-1px);
        }
        .search-select:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
        }
        .search-input {
            flex-grow: 1;
            padding: 0.8rem 1.2rem;
            border: none;
            background: transparent;
            font-size: 1rem;
            color: var(--deep-blue);
            transition: all 0.3s ease;
        }
        .search-input:focus {
            outline: none;
        }
        .search-input::placeholder {
            color: rgba(44, 82, 130, 0.6);
            font-style: italic;
        }
        .search-btn {
            padding: 0.8rem 1.8rem;
            border: none;
            background: linear-gradient(135deg, var(--sky-blue) 0%, var(--horizon-blue) 100%);
            color: white;
            border-radius: 25px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: all 0.3s ease;
            white-space: nowrap;
            position: relative;
            overflow: hidden;
        }
        .search-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.6s ease;
        }
        .search-btn:hover::before {
            left: 100%;
        }
        .search-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(74, 144, 226, 0.4);
            background: linear-gradient(135deg, var(--horizon-blue) 0%, var(--sky-blue) 100%);
        }
        .search-btn:active {
            transform: translateY(0);
        }

        /* Search header layout */
        .search-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .search-header h2 {
            margin: 0;
            flex-shrink: 0;
        }
        .simple-quick-search {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            align-items: center;
        }
        .simple-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(248, 250, 254, 0.8) 100%);
            border: 1px solid rgba(74, 144, 226, 0.3);
            border-radius: 20px;
            text-decoration: none;
            color: var(--deep-blue);
            font-weight: 500;
            font-size: 0.85rem;
            transition: all 0.3s ease;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(74, 144, 226, 0.1);
        }
        .simple-tag:hover {
            transform: translateY(-2px);
            border-color: var(--sky-blue);
            background: linear-gradient(135deg, var(--cloud-white) 0%, rgba(74, 144, 226, 0.1) 100%);
            box-shadow: 0 4px 15px rgba(74, 144, 226, 0.2);
            color: var(--sky-blue);
        }
        .simple-tag:active {
            transform: translateY(0);
        }

        /* Responsive adjustments for search header */
        @media (max-width: 768px) {
            .search-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .simple-quick-search {
                width: 100%;
                justify-content: flex-start;
            }
            .simple-tag {
                font-size: 0.8rem;
                padding: 0.4rem 0.8rem;
            }
        }

        /* Quick search tags section */
        .quick-search-section {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 2px dashed rgba(74, 144, 226, 0.2);
        }
        .quick-search-section h3 {
            margin-bottom: 1.5rem;
            color: var(--deep-blue);
            font-size: 1.3rem;
            text-align: center;
            position: relative;
        }
        .quick-search-section h3::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--sky-blue) 0%, var(--horizon-blue) 100%);
            border-radius: 2px;
        }
        .quick-search-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            align-items: center;
        }
        .quick-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.8rem 1.5rem;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 254, 0.9) 100%);
            border: 2px solid rgba(74, 144, 226, 0.2);
            border-radius: 25px;
            text-decoration: none;
            color: var(--deep-blue);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(74, 144, 226, 0.1);
        }
        .quick-tag::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(74, 144, 226, 0.1), transparent);
            transition: left 0.6s ease;
        }
        .quick-tag:hover::before {
            left: 100%;
        }
        .quick-tag:hover {
            transform: translateY(-3px) scale(1.05);
            border-color: var(--sky-blue);
            background: linear-gradient(135deg, var(--cloud-white) 0%, rgba(74, 144, 226, 0.1) 100%);
            box-shadow: 0 8px 25px rgba(74, 144, 226, 0.2);
            color: var(--sky-blue);
        }
        .quick-tag:active {
            transform: translateY(-1px) scale(1.02);
        }
        .tag-icon {
            font-size: 1.1rem;
            margin-right: 0.5rem;
            transition: transform 0.3s ease;
        }
        .quick-tag:hover .tag-icon {
            transform: rotate(15deg) scale(1.1);
        }
        .tag-text {
            margin-right: 0.5rem;
            white-space: nowrap;
        }
        .tag-arrow {
            font-size: 1rem;
            opacity: 0.6;
            transition: all 0.3s ease;
        }
        .quick-tag:hover .tag-arrow {
            opacity: 1;
            transform: translateX(3px);
        }
        
        /* No tags state */
        .no-tags {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 2rem;
            color: rgba(44, 82, 130, 0.6);
            font-style: italic;
        }
        .no-tags-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            opacity: 0.5;
        }
                 .no-tags-text {
             font-size: 1.1rem;
         }

         /* Quick search footer */
         .quick-search-footer {
             margin-top: 1.5rem;
             text-align: center;
             padding-top: 1rem;
             border-top: 1px solid rgba(74, 144, 226, 0.1);
         }
         .view-more-link {
             display: inline-flex;
             align-items: center;
             padding: 0.6rem 1.2rem;
             background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(107, 182, 255, 0.05) 100%);
             border: 1px solid rgba(74, 144, 226, 0.2);
             border-radius: 20px;
             text-decoration: none;
             color: var(--deep-blue);
             font-size: 0.9rem;
             font-weight: 500;
             transition: all 0.3s ease;
         }
         .view-more-link:hover {
             background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(107, 182, 255, 0.1) 100%);
             border-color: var(--sky-blue);
             color: var(--sky-blue);
             transform: translateY(-2px);
             box-shadow: 0 4px 12px rgba(74, 144, 226, 0.15);
         }
         .view-more-icon {
             margin-right: 0.5rem;
             font-size: 1rem;
         }
         .view-more-text {
             margin-right: 0.5rem;
         }
         .view-more-arrow {
             font-size: 0.9rem;
             opacity: 0.7;
             transition: all 0.3s ease;
         }
         .view-more-link:hover .view-more-arrow {
             opacity: 1;
             transform: translate(2px, -2px);
         }

        /* Quick search responsive design */
        @media (max-width: 768px) {
            .quick-search-tags {
                gap: 0.8rem;
            }
            .quick-tag {
                padding: 0.6rem 1.2rem;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 576px) {
            .quick-search-tags {
                flex-direction: column;
                align-items: stretch;
                gap: 0.6rem;
            }
            .quick-tag {
                justify-content: center;
                padding: 0.8rem 1rem;
            }
        }

        /* Enhanced stats section with aviation theme */
        .stats-section {
            text-align: center;
            background: linear-gradient(135deg, rgba(74, 144, 226, 0.05) 0%, rgba(107, 182, 255, 0.05) 100%);
        }
        .stats-section h2 {
            margin-bottom: 2rem;
            color: var(--deep-blue);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            padding: 1rem 0;
        }
        .stats-item {
            background: rgba(255, 255, 255, 0.8);
            padding: 2rem 1.5rem;
            border-radius: 20px;
            text-align: center;
            transition: all 0.3s ease;
            border: 2px solid rgba(74, 144, 226, 0.1);
            position: relative;
            overflow: hidden;
        }
        .stats-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--sky-blue) 0%, var(--horizon-blue) 100%);
        }
        .stats-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(74, 144, 226, 0.2);
            border-color: var(--sky-blue);
            background: rgba(255, 255, 255, 0.95);
        }
        .stats-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            animation: pulse 2s ease-in-out infinite;
        }
        .stats-item:nth-child(2) .stats-icon {
            animation-delay: 0.7s;
        }
        .stats-item:nth-child(3) .stats-icon {
            animation-delay: 1.4s;
        }
        .stats-item:nth-child(4) .stats-icon {
            animation-delay: 2.1s;
        }
        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.1); }
        }
        .stats-value {
            font-size: 2.5rem;
            font-weight: bold;
            font-family: var(--font-serif);
            color: var(--sky-blue);
            margin-bottom: 0.5rem;
            background: linear-gradient(135deg, var(--sky-blue) 0%, var(--horizon-blue) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stats-label {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--deep-blue);
            margin-bottom: 0.5rem;
        }
        .stats-desc {
            font-size: 0.85rem;
            color: rgba(44, 82, 130, 0.7);
            font-style: italic;
        }

        /* Aviation-themed floating action buttons */
        .fab-container {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            z-index: 1010;
        }
        .fab-button, .notification-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--sky-blue) 0%, var(--horizon-blue) 100%);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 25px rgba(74, 144, 226, 0.3);
            text-decoration: none;
            font-size: 1.5rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .fab-button:hover, .notification-btn:hover {
            transform: scale(1.1) translateY(-2px);
            box-shadow: 0 12px 30px rgba(74, 144, 226, 0.4);
        }
        
        /* Notification Modal with aviation theme */
        .notification-modal {
            display: none;
            position: fixed;
            z-index: 10001;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: hidden;
            background: rgba(0, 0, 0, 0.4);
            display: none;
            align-items: center;
            justify-content: center;
        }
        .notification-content {
            background: var(--cloud-white);
            padding: 0;
            border: 2px solid var(--sky-blue);
            width: 90%;
            max-width: 600px;
            box-shadow: 0 20px 60px rgba(74, 144, 226, 0.3);
            border-radius: 16px;
            margin: 0;
            max-height: 80vh;
            display: flex;
            flex-direction: column;
        }
        .notification-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(74, 144, 226, 0.2);
            padding: 1rem 1.5rem;
            background: linear-gradient(90deg, rgba(74, 144, 226, 0.05) 0%, rgba(107, 182, 255, 0.05) 100%);
        }
        .notification-header h4 {
            margin: 0;
            font-family: var(--font-serif);
            font-size: 1.5rem;
            color: var(--deep-blue);
        }
        .notification-body {
            padding: 1rem 1.5rem;
            overflow-y: auto;
        }
        .close-notification {
            background: transparent;
            border: none;
            font-size: 1.5rem;
            color: var(--sky-blue);
            cursor: pointer;
            padding: 0;
            line-height: 1;
            transition: all 0.2s ease;
        }
        .close-notification:hover {
            color: var(--deep-blue);
            transform: scale(1.2);
        }

        .fullwidth-slider-section {
            width: 100%;
            margin-bottom: 0;
        }

        /* Mobile adjustments */
        @media (max-width: 768px) {
            .gallery-container {
                padding: 1rem;
            }
            .paper-sheet {
                padding: 1rem;
            }
            .image-cluster {
                grid-template-columns: repeat(2, 1fr);
            }
            .welcome-features {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .search-section {
                flex-direction: column;
                gap: 0.5rem;
                padding: 0.5rem;
            }
            .search-select {
                min-width: 100%;
                border-radius: 20px;
            }
            .search-input {
                padding: 0.8rem;
                border-radius: 20px;
                background: rgba(255, 255, 255, 0.9);
                border: 1px solid rgba(74, 144, 226, 0.2);
            }
            .search-btn {
                border-radius: 20px;
                width: 100%;
            }
        }
        @media (max-width: 576px) {
            .image-cluster {
                grid-template-columns: repeat(1, 1fr);
            }
            .welcome-features {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-item {
                padding: 0.8rem;
            }
            .stats-item {
                padding: 1.5rem 1rem;
            }
            .stats-value {
                font-size: 2rem;
            }
            .stats-icon {
                font-size: 2.5rem;
            }
        }