* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
        html, body { 
            width: 100%;
            height: 100%;
            overflow: hidden; 
        }
        body { 
            background-color: #000; 
            color: #fff; 
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; 
        }
        .app-container { 
            max-width: 600px; 
            margin: 0 auto; 
            position: relative; 
            height: 100%; 
            display: flex; 
            flex-direction: column;
            overflow: hidden; 
        }
        .global-loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: #050505;
            z-index: 9999;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: opacity 0.5s ease;
        }
        .global-loader.hidden {
            opacity: 0;
            pointer-events: none;
        }
        .spinner { 
            width: 50px; 
            height: 50px; 
            border-radius: 50%; 
            border: 9px solid; 
            border-color: rgba(0, 0, 0, 0.5); 
            border-right-color: #f79002; 
            -webkit-animation: spinner-zp9dbg 1s infinite linear; 
            animation: spinner-zp9dbg 1s infinite linear; 
        }
        @-webkit-keyframes spinner-zp9dbg {
            to { -webkit-transform: rotate(1turn); transform: rotate(1turn); }
        }
        @keyframes spinner-zp9dbg {
            to { -webkit-transform: rotate(1turn); transform: rotate(1turn); }
        }
        .bg-layer {
            position: fixed; 
            top: 0; left: 0; 
            width: 100%; height: 100%; 
            z-index: -1;
            background-color: #000;
        }
        .header { 
            flex-shrink: 0; 
            width: 100%;
            padding: 15px; 
            z-index: 100; 
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 15px;
            border-bottom: 1px solid rgba(243, 156, 18, 0.3); 
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5); 
            background-color: rgba(5, 5, 5, 0.95); 
        }
        .logo-area { 
            flex: 1; 
            display: flex; 
            align-items: center; 
        }
        .header-logo-text {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center; 
        }
        .header-logo-main {
            font-size: 36px; 
            font-weight: 900;
            color: #f39c12;
            letter-spacing: 3px; 
            line-height: 1;
            margin-bottom: 4px; 
            text-shadow: 2px 2px 4px rgba(0,0,0,0.8); 
            text-align: center; 
        }
        .header-logo-sub {
            font-size: 22px; 
            font-weight: bold;
            color: #ffffff;
            letter-spacing: 5px; 
            line-height: 1;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
            text-align: center; 
        }
        .header-download-btn {
            flex-shrink: 0; 
            padding: 6px 14px; 
            border-radius: 15px; 
            white-space: nowrap; 
            background-color: #f39c12; 
            color: #000;
            border: none;
            height: 35px; 
            width: 80px;
            font-weight: bold;
            box-shadow: 0 2px 4px rgba(0,0,0,0.5);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .header-download-btn .btn-title {
            font-size: 14px;
        }
        .hero { 
            flex: 1; 
            position: relative; 
            display: flex; 
            flex-direction: column; 
            align-items: center; 
            justify-content: center; 
            z-index: 2;
            width: 100%;
            overflow: hidden; 
            padding: 0 15px; 
        }
        .hero-img { 
            width: 81%; 
            max-width: 405px; 
            height: auto; 
            object-fit: contain; 
            z-index: 2; 
            margin-top: auto;
            margin-bottom: 10px;
            position: relative; 
        }
        .title-area { 
            text-align: center; 
            z-index: 3; 
            position: relative; 
            margin-bottom: 12px; 
            width: 100%; 
            display: flex; 
            justify-content: center; 
        }
        .hero-title-text {
            font-size: 26px;
            font-weight: 900;
            color: #ffffff;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8), 0 0 10px rgba(255, 255, 255, 0.3);
            margin: 0;
            padding: 0 10px;
            line-height: 1.3;
        }
        .highlight-text {
            color: #f39c12;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8), 0 0 15px rgba(243, 156, 18, 0.6);
            margin: 0 2px;
        }
        .badge-text {
            background-color: #f39c12;
            color: #000;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: bold;
            border-radius: 4px;
            margin-bottom: 15px; 
            z-index: 3;
            text-align: center;
            display: inline-block;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.5);
            letter-spacing: 1px;
            flex-shrink: 0;
        }
        .carousel-container {
            width: 100%;
            max-width: 400px; 
            aspect-ratio: 1 / 1;
            position: relative;
            margin: 0 auto;
            overflow: hidden;
            border-radius: 8px;
            box-shadow: 0 0 15px rgba(243, 156, 18, 0.3);
            z-index: 3;
            flex-shrink: 1; 
        }
        .carousel-track {
            width: 100%;
            height: 100%;
            display: -webkit-box;
            display: -webkit-flex;
            display: -ms-flexbox;
            display: flex;
            -webkit-transition: -webkit-transform 0.5s ease-in-out;
            transition: transform 0.5s ease-in-out;
        }
        .carousel-image {
            -webkit-box-flex: 0;
            -webkit-flex: 0 0 100%;
            -ms-flex: 0 0 100%;
            flex: 0 0 100%;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .actions { 
            flex-shrink: 0; 
            width: 100%; 
            padding: 15px 15px 20px; 
            z-index: 100; 
            border-top: 1px solid rgba(243, 156, 18, 0.3); 
            box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.5); 
            background-color: rgba(5, 5, 5, 0.95); 
        }
        .tips-text-container { 
            width: 100%; 
            display: flex; 
            justify-content: center; 
            margin-bottom: 12px;
            padding: 0 10px;
        }
        .tips-text {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.85);
            text-align: left; 
            line-height: 1.6;
            background: rgba(0, 0, 0, 0.4);
            padding: 4px 8px; 
            border-radius: 8px;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            display: inline-block; 
            margin: 0; 
        }
        .btn-group { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
        .btn { 
            display: flex; align-items: center; justify-content: center; gap: 8px;
            padding: 8px 5px; border-radius: 8px; text-decoration: none; color: #fff;
            position: relative; overflow: hidden; cursor: pointer; transition: opacity 0.3s;
        }
        .btn-img-wrapper { 
            padding: 0; background: transparent; border-radius: 0; 
            display: flex; align-items: center; justify-content: center; 
        }
        .btn-img { width: 100%; height: auto; display: block; object-fit: contain; }
        .btn-primary { 
            background: transparent; 
            border: 1px solid rgba(255, 255, 255, 0.8);
            box-shadow: none; 
            text-shadow: none;
            height: 50px;
        }
        .btn-disabled { 
            opacity: 0.4; 
            pointer-events: none; 
            filter: grayscale(100%);
            -webkit-filter: grayscale(100%); 
        }
        #btn-android-main {
        }
        .btn-loading {
            position: relative;
            opacity: 0.8;
        }
        .btn-loading .btn-icon,
        .btn-loading .btn-text-wrapper {
            opacity: 0; 
        }
        .btn-loading::after {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            width: 24px;
            height: 24px;
            margin-left: -12px;
            margin-top: -12px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-top-color: #fff;
            border-radius: 50%;
            animation: spin 1s ease-in-out infinite;
        }
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        .btn-icon { width: 24px; height: 24px; display: flex; justify-content: center; align-items: center; flex-shrink: 0; }
        .btn-icon img, .btn-icon svg { width: 100%; height: 100%; object-fit: contain; }
        .btn-text-wrapper { text-align: left; display: flex; flex-direction: column; justify-content: center; }
        .btn-title { font-size: 14px; font-weight: bold; letter-spacing: 1px; }
        .btn-sub { font-size: 9px; color: rgba(255,255,255,0.6); margin-top: 2px; }
        .tutorial-overlay { 
            display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
            background: rgba(0,0,0,0.6); z-index: 200; 
            justify-content: center; align-items: flex-end; 
            opacity: 0; transition: opacity 0.3s ease;
        }
        .tutorial-overlay.active {
            display: flex; opacity: 1;
        }
        .tutorial-container {
            width: 100%; max-width: 600px; height: 90vh; 
            background-color: #fff;
            border-radius: 16px 16px 0 0;
            display: flex; flex-direction: column;
            overflow: hidden;
            transform: translateY(100%);
            transition: transform 0.3s ease-out;
        }
        .tutorial-overlay.active .tutorial-container {
            transform: translateY(0);
        }
        .tutorial-header {
            display: flex; align-items: center; justify-content: center;
            height: 50px; background-color: #fff;
            border-bottom: 1px solid #eee;
            position: relative;
            flex-shrink: 0;
        }
        .tutorial-back {
            position: absolute; left: 10px; top: 0; height: 100%;
            display: flex; align-items: center; padding: 0 10px;
            color: #333; cursor: pointer;
        }
        .tutorial-title {
            font-size: 16px; font-weight: bold; color: #333;
        }
        .tutorial-body {
            flex: 1;
            overflow-y: auto;
            -webkit-overflow-scrolling: touch; 
            padding: 15px;
            background-color: #f8f8f8;
            position: relative;
        }
        .brand-list {
            display: flex; flex-direction: column; gap: 15px; padding: 10px 5px;
        }
        .brand-item-img {
            width: 100%;
            cursor: pointer;
            display: flex; justify-content: center;
        }
        .brand-item-img img {
            width: 100%;
            height: auto;
            object-fit: contain;
            display: block;
        }
        .tutorial-img { 
            width: 100%; height: auto; 
            display: block; margin: 0 auto;
        }