* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            background-color: #000000;
            font-family: 'Segoe UI', 'Tahoma', 'Arial', sans-serif;
            line-height: 1.5;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            min-height: 100vh;
        }

        .container {
            max-width: 720px;
            width: 100%;
            margin: 0 auto;
            background-color: #000000;
            overflow-x: hidden;
            position: relative;
        }

        .gallery-img {
            display: block;
            width: 100%;
            height: auto;
            margin: 0;
            padding: 0;
            border: none;
            vertical-align: top;
            line-height: 0;
        }

        .image-wrapper {
            display: block;
            line-height: 0;
            font-size: 0;
            margin: 0;
            padding: 0;
        }

        .floating-btn {
            position: fixed;
            bottom: 10px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            background: linear-gradient(135deg, #1e2a3e, #0f1722);
            backdrop-filter: blur(8px);
            color: #ffffff;
            border: 1px solid rgba(255, 215, 0, 0.6);
            border-radius: 60px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            font-family: inherit;
            cursor: pointer;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,215,0,0.2);
            transition: all 0.25s ease;
            letter-spacing: 0.3px;
            white-space: nowrap;
            direction: rtl;
        }

        .floating-btn:hover {
            transform: translateX(-50%) translateY(-3px);
            background: linear-gradient(135deg, #2a3b4e, #121c2a);
            border-color: rgba(255, 215, 0, 0.9);
            box-shadow: 0 14px 28px rgba(0,0,0,0.6);
        }

        .floating-btn:active {
            transform: translateX(-50%) translateY(2px);
        }

        .btn-icon {
            width: 20px;
            height: 20px;
            filter: brightness(0) invert(1);
            display: inline-block;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M13 7l5 5m0 0l-5 5m5-5H6' /%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: center;
            background-size: contain;
        }

        @media (max-width: 720px) {
            .floating-btn {
                bottom: 24px;
                padding: 12px 28px;
                font-size: 0.9rem;
            }
            .btn-icon {
                width: 18px;
                height: 18px;
            }
        }

        @media (max-width: 480px) {
            .floating-btn {
                bottom: 20px;
                padding: 10px 24px;
                font-size: 0.85rem;
            }
        }

        .footer-note {
            text-align: center;
            padding: 24px 16px 32px;
            color: #7f8c8d;
            font-size: 0.7rem;
            background: #000;
            border-top: 1px solid rgba(255,255,255,0.05);
            margin-top: 0;
        }

        a {
            text-decoration: none;
        }

        .container > *:first-child {
            margin-top: 0;
        }
        .container > *:last-child {
            margin-bottom: 0;
        }

        body, .container, .image-wrapper {
            background-color: #000;
        }

        .container {
            font-size: 0;
            line-height: 0;
        }

        .footer-note {
            font-size: 0.8rem;
            line-height: 1.4;
        }

        img {
            max-width: 100%;
            height: auto;
            object-fit: cover;
        }

        html {
            background-color: #000;
        }

        div.image-wrapper, img.gallery-img, .container, body, html {
            margin: 0;
            padding: 0;
            border: 0;
        }

        .container div.image-wrapper:not(:last-child) {
            margin-bottom: 0 !important;
            padding-bottom: 0 !important;
        }

        .image-wrapper + .image-wrapper {
            margin-top: 0 !important;
        }

        .container {
            display: block;
        }

        @media (pointer: coarse) {
            .floating-btn {
                min-height: 48px;
                min-width: 48px;
                padding: 12px 28px;
            }
        }

        .floating-btn {
            background: rgba(10, 20, 30, 0.92);
            backdrop-filter: blur(8px);
            font-weight: 600;
            border: 1px solid rgba(255, 196, 0, 0.65);
            box-shadow: 0 4px 20px rgba(0,0,0,0.6), 0 0 12px rgba(255,215,0,0.3);
        }

        .floating-btn:hover {
            background: #0f212e;
            border-color: #ffcd32;
        }