/* ================= Global Reset & Settings ================= */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            user-select: none;
            -webkit-tap-highlight-color: transparent;
        }
        
        html, body {
            width: 100%;
            height: 100%;
            overflow: hidden;
            background: #090e1a; /* PC端/网页观看时的奢华深色背景衬托 */
            font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        /* ================= Liquid Dynamic Background ================= */
        .app-container {
            position: relative;
            width: 100%;
            max-width: 420px; /* 严格限制移动端容器宽度 */
            height: 100vh;
            overflow: hidden;
            background: #ffffff;
            box-shadow: 0 0 50px rgba(0, 0, 0, 0.6);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        /* 高级液态特效背景：浅蓝 + 白色诱惑柔和渐变 */
        .liquid-bg {
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 20%, #f0f9ff 0%, #e0f2fe 20%, #bae6fd 40%, #f472b6 65%, #ffffff 85%, #dbeafe 100%);
            background-size: 50% 50%;
            animation: liquidMove 14s ease-in-out infinite alternate;
            z-index: 1;
            filter: blur(40px);
        }

        @keyframes liquidMove {
            0% { transform: translate(0, 0) rotate(0deg) scale(1); }
            50% { transform: translate(10%, 15%) rotate(120deg) scale(1.2); }
            100% { transform: translate(-5%, -10%) rotate(360deg) scale(0.95); }
        }

        /* 3D 浮动气泡粒子 */
        .bubble {
            position: absolute;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(56,189,248,0.2) 70%, rgba(255,255,255,0) 100%);
            pointer-events: none;
            z-index: 2;
            filter: blur(2px);
        }
        .bubble-1 { width: 140px; height: 140px; top: 15%; left: -15%; animation: floatBub 10s infinite alternate ease-in-out; }
        .bubble-2 { width: 90px; height: 90px; bottom: 20%; right: -8%; animation: floatBub 8s infinite alternate-reverse ease-in-out; }
        @keyframes floatBub {
            0% { transform: translateY(0) scale(1); }
            100% { transform: translateY(-4vh) scale(1.15); }
        }

        /* ================= Header Module (Top CTA) ================= */
        .header {
            width: 100%;
            height: 7.5vh;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 5%;
            z-index: 10;
            background: rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.4);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .logo-icon {
            font-size: 22px;
            animation: heartBeat 1.2s infinite;
        }

        .logo-text {
            font-size: 16px;
            font-weight: 800;
            color: #1e1b4b;
            letter-spacing: 1px;
            background: linear-gradient(90deg, #1e1b4b, #4338ca);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* 顶部始终显眼的快速下载按钮 */
        .btn-top-download {
            background: linear-gradient(90deg, #38bdf8, #818cf8);
            color: #ffffff;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 15px;
            border-radius: 20px;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(56, 189, 248, 0.4);
            animation: pulseTop 1.6s infinite;
            border: 1px solid rgba(255,255,255,0.3);
        }

        @keyframes pulseTop {
            0% { transform: scale(1); box-shadow: 0 4px 10px rgba(56, 189, 248, 0.3); }
            50% { transform: scale(1.06); box-shadow: 0 4px 18px rgba(56, 189, 248, 0.6); }
            100% { transform: scale(1); box-shadow: 0 4px 10px rgba(56, 189, 248, 0.3); }
        }

        /* ================= Hero Copy Section ================= */
        .hero-section {
            text-align: center;
            padding: 1.5vh 5% 0.5vh;
            z-index: 10;
        }

        .badge-hot {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(244, 63, 94, 0.1);
            border: 1px solid rgba(244, 63, 94, 0.25);
            color: #e11d48;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 0.8vh;
            text-transform: uppercase;
        }

        .hero-title {
            font-size: 24px;
            font-weight: 900;
            color: #0f172a;
            line-height: 1.25;
            text-shadow: 0 2px 8px rgba(255, 255, 255, 0.6);
        }

        .hero-title span {
            background: linear-gradient(90deg, #2563eb, #db2777);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 13px;
            color: #475569;
            margin-top: 0.6vh;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        /* ================= 3D Overlapping Gallery ================= */
        /* 核心：保证三张图在3D层叠中完美呈现，空间占用紧凑 */
        .image-showcase {
            position: relative;
            width: 100%;
            height: 38vh;
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 10;
            perspective: 800px; /* 激活3D透视 */
            margin: 0.8vh 0;
        }

        .card {
            position: absolute;
            width: 18.5vh;
            height: 27.5vh;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(15, 23, 42, 0.15);
            transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            background: #e0f2fe;
            border: 3px solid #ffffff;
        }

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

        /* 标签指示器 */
        .card-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            background: rgba(15, 23, 42, 0.75);
            color: #ffffff;
            font-size: 9px;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 6px;
            backdrop-filter: blur(4px);
        }

        .badge-exclusive {
            background: linear-gradient(90deg, #ec4899, #f43f5e);
        }

        /* 3D 偏转和叠加逻辑 */
        /* [图片替换处 1] - 左侧偏转卡片 */
        .card-left {
            transform: translateX(-10.5vh) translateZ(-60px) rotateY(25deg) scale(0.9);
            z-index: 5;
            filter: brightness(0.85) contrast(0.95);
        }

        /* [图片替换处 2] - 中间聚焦卡片 */
        .card-center {
            z-index: 10;
            transform: translateZ(50px) scale(1.06);
            box-shadow: 0 20px 45px rgba(56, 189, 248, 0.35);
            border-color: #38bdf8;
            animation: floatCenter 3s ease-in-out infinite alternate;
        }

        /* [图片替换处 3] - 右侧偏转卡片 */
        .card-right {
            transform: translateX(10.5vh) translateZ(-60px) rotateY(-25deg) scale(0.9);
            z-index: 5;
            filter: brightness(0.85) contrast(0.95);
        }

        @keyframes floatCenter {
            0% { transform: translateZ(50px) scale(1.06) translateY(0); }
            100% { transform: translateZ(50px) scale(1.06) translateY(-8px); }
        }

        /* 3D 诱惑性播放播放按钮 */
        .card-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 48px;
            height: 48px;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0284c7;
            font-size: 20px;
            box-shadow: 0 0 15px rgba(56, 189, 248, 0.6);
            animation: playPulse 1.4s infinite;
            cursor: pointer;
        }

        @keyframes playPulse {
            0% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.8); }
            70% { transform: translate(-50%, -50%) scale(1.15); box-shadow: 0 0 0 12px rgba(255, 255, 255, 0); }
            100% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
        }

        /* ================= Real-time Hot Stream Ticker ================= */
        .ticker-module {
            width: 90%;
            margin: 0.5vh auto;
            height: 3.8vh;
            background: rgba(255, 255, 255, 0.55);
            border-radius: 30px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            overflow: hidden;
            z-index: 10;
            padding: 0 15px;
        }

        .ticker-icon {
            font-size: 13px;
            margin-right: 6px;
            display: flex;
            align-items: center;
        }

        .ticker-track {
            display: flex;
            white-space: nowrap;
            animation: scrollTicker 16s linear infinite;
        }

        .ticker-item {
            font-size: 11px;
            color: #1e293b;
            font-weight: 700;
            margin-right: 35px;
        }

        .ticker-item span {
            color: #db2777;
        }

        @keyframes scrollTicker {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* ================= Safe & Security Proof Badges ================= */
        .proof-badges {
            display: flex;
            justify-content: space-around;
            width: 90%;
            margin: 0.5vh auto;
            z-index: 10;
        }

        .badge-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
        }

        .badge-icon {
            font-size: 18px;
        }

        .badge-lbl {
            font-size: 10px;
            color: #475569;
            font-weight: 700;
        }

        /* ================= Bottom CTA Panel (The Main Converter) ================= */
        .bottom-cta-panel {
            width: 100%;
            padding: 1.5vh 6% 3.2vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            z-index: 10;
        }

        /* CTA 按钮核心逻辑：宽度全满带边距，56px高，极致3D长阴影，加粗字号 */
        .btn-main-cta {
            position: relative;
            width: 100%;
            height: 56px;
            background: linear-gradient(90deg, #38bdf8 0%, #818cf8 50%, #f472b6 100%);
            background-size: 200% auto;
            color: #ffffff;
            font-size: 23px;
            font-weight: 900;
            letter-spacing: 5px;
            text-transform: uppercase;
            border-radius: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            /* 明显的 3D 浮雕长阴影 */
            box-shadow: 0 10px 30px rgba(129, 140, 248, 0.5), 
                        0 4px 0px #4f46e5;
            transition: all 0.1s ease;
            animation: breatheCTA 2s infinite alternate, flowBg 4s linear infinite;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            overflow: hidden;
        }

        @keyframes flowBg {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        @keyframes breatheCTA {
            0% { transform: scale(0.97) translateY(0); }
            100% { transform: scale(1.03) translateY(-4px); }
        }

        /* 炫酷白色强扫光动效 */
        .btn-main-cta::after {
            content: '';
            position: absolute;
            top: 0;
            left: -150%;
            width: 60%;
            height: 100%;
            background: linear-gradient(100deg, rgba(255,255,255,0) 20%, rgba(255,255,255,0.6) 50%, rgba(255,255,255,0) 80%);
            transform: skewX(-25deg);
            animation: lightShine 2.5s infinite;
        }

        @keyframes lightShine {
            0% { left: -150%; }
            30% { left: 150%; }
            100% { left: 150%; }
        }

        .btn-main-cta:active {
            transform: scale(0.95) translateY(2px);
            box-shadow: 0 4px 15px rgba(129, 140, 248, 0.4), 0 1px 0px #4f46e5;
        }

        .cta-subtext {
            font-size: 11px;
            color: #334155;
            font-weight: 700;
            margin-top: 1.2vh;
            text-align: center;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .cta-subtext span {
            color: #e11d48;
            font-weight: 800;
        }

        .install-count {
            font-size: 9px;
            color: #64748b;
            margin-top: 0.4vh;
            font-weight: 600;
        }

        /* ================= Dynamic Parsing Installer Modal ================= */
        /* 超强转化率辅助：点击下载后，弹出极具信赖感的“专属无痕包配置中”弹窗 */
        .modal {
            display: none;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 23, 42, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 999;
            justify-content: center;
            align-items: center;
            padding: 24px;
        }

        .modal.active {
            display: flex;
        }

        .modal-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 24px;
            width: 100%;
            max-width: 320px;
            padding: 30px 24px;
            text-align: center;
            box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
            border: 1px solid rgba(255,255,255,0.5);
            transform: scale(0.85);
            transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        .modal.active .modal-card {
            transform: scale(1);
        }

        .spinner {
            position: relative;
            width: 55px;
            height: 55px;
            border: 5px solid #e0f2fe;
            border-top: 5px solid #0284c7;
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
            margin: 0 auto 18px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .modal-title {
            font-size: 16px;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 8px;
        }

        .modal-desc {
            font-size: 11px;
            color: #64748b;
            line-height: 1.5;
            margin-bottom: 18px;
        }

        .progress-container {
            width: 100%;
            height: 8px;
            background: #e2e8f0;
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }

        .progress-bar {
            width: 0%;
            height: 100%;
            background: linear-gradient(90deg, #38bdf8, #818cf8);
            border-radius: 10px;
            transition: width 0.1s linear;
        }

        .progress-num {
            font-size: 13px;
            font-weight: 800;
            color: #0284c7;
            margin-top: 8px;
        }

        /* 基础心跳与微抖动动画 */
        @keyframes heartBeat {
            0% { transform: scale(1); }
            14% { transform: scale(1.18); }
            28% { transform: scale(1); }
            42% { transform: scale(1.18); }
            70% { transform: scale(1); }
        }