:root {
    --bg-color: #000000;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --primary-color: #ef4444;
    --primary-hover: #dc2626;
    --gold-color: #fce7f3;
    --gold-accent: #f59e0b;
    --accent-color: #fb7185;
    --card-bg: #1c1c1e;
    --border-color: rgba(255, 255, 255, 0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    background-image: radial-gradient(circle at 50% -20%, #2a1118 0%, #000000 60%);
}

.bg-layer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI0IiBoZWlnaHQ9IjQiPgo8cmVjdCB3aWR0aD0iNCIgaGVpZ2h0PSI0IiBmaWxsPSIjMTEiPjwscmVjdD4KPHBhdGggZD0iTTAgMEwyIDJNMCA0TDIgMk00IDBMMiAyTTQgNEwyIDIiIHN0cm9rZT0icmdiYSgyNTUsMjU1LDI1NSwwLjAyKSIgc3Ryb2tlLXdpZHRoPSIxIi8+Cjwvc3ZnPg==') repeat;
    pointer-events: none;
    z-index: -2;
}

/* Background Glowing Accents */
.glow {
    position: absolute;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.3;
    border-radius: 50%;
    animation: pulse 8s infinite alternate;
}

.red-glow {
    top: 5%;
    left: 20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #e11d48 0%, transparent 70%);
}

.gold-glow {
    bottom: 10%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #f59e0b 0%, transparent 60%);
    animation-delay: -4s;
    opacity: 0.2;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.2;
    }

    100% {
        transform: scale(1.1);
        opacity: 0.4;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    padding: 20px 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    object-fit: cover;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.vip-text {
    color: var(--gold-accent);
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid rgba(245, 158, 11, 0.5);
    padding: 4px 12px;
    border-radius: 20px;
    background: rgba(245, 158, 11, 0.1);
}

/* Hero Section */
.hero {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 160px 0 100px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 560px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(90deg, rgba(239, 68, 68, 0.2), transparent);
    border-left: 3px solid var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--accent-color);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.highlight {
    background: linear-gradient(135deg, #fb7185, #ef4444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
}

/* Stats Section */
.stats-counter {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-bottom: 40px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    display: flex;
    align-items: baseline;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    letter-spacing: 1px;
}

.stat-number .plus {
    color: var(--primary-color);
    font-size: 1rem;
    margin-left: 4px;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-weight: 600;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
}

/* Action Group */
.action-group {
    margin-bottom: 32px;
}

.dual-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 16px 24px;
    border-radius: 100px;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    outline: none;
    text-decoration: none;
    flex: 1;
    min-width: 240px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #be123c);
    color: white;
    box-shadow: 0 10px 20px rgba(225, 29, 72, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-primary::before,
.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.btn:hover {
    transform: translateY(-4px) scale(1.02);
}

.btn-primary:hover {
    box-shadow: 0 15px 30px rgba(225, 29, 72, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn:hover::before {
    left: 100%;
}

.btn:active {
    transform: translateY(-1px);
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn-main-text {
    font-size: 1.15rem;
    line-height: 1.2;
}

.btn-sub-text {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.8;
}

.icon {
    width: 32px;
    height: 32px;
}

.download-status {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    opacity: 1;
    transition: opacity 0.3s ease;
    margin-top: 16px;
}

.download-status.hidden {
    opacity: 0;
    pointer-events: none;
    margin-top: 0;
    height: 0;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Features */
.features {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    border-top: 1px solid var(--border-color);
    padding-top: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    color: #e4e4e7;
}

.gold-text {
    color: var(--gold-accent);
    font-weight: 800;
    font-style: italic;
}

.red-text {
    color: var(--primary-color);
    font-weight: 800;
}

/* Visual / Mockup */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    perspective: 1000px;
}

.phone-mockup {
    width: 310px;
    height: 640px;
    background: #111;
    border-radius: 46px;
    border: 12px solid #27272a;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.8),
        inset 0 0 0 2px #3f3f46,
        0 0 0 14px #18181b;
    position: relative;
    overflow: hidden;
    transform: rotateY(-12deg) rotateX(6deg);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.phone-mockup:hover {
    transform: rotateY(0deg) rotateX(0deg) translateY(-10px);
}

.phone-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 130px;
    height: 28px;
    background: #27272a;
    border-bottom-left-radius: 18px;
    border-bottom-right-radius: 18px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #111;
    position: relative;
}

.preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.95;
}

.screen-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent 40%);
}

.app-ui-tag {
    position: absolute;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 800;
    color: white;
}

.shadow-tag {
    background: linear-gradient(135deg, #d97706, #fbbf24);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
    color: #fff;
}

.play-btn-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 4px;
}

.phone-glass-reflection {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right,
            rgba(255, 255, 255, 0) 0%,
            rgba(255, 255, 255, 0.08) 50%,
            rgba(255, 255, 255, 0) 100%);
    transform: skewX(-20deg);
    animation: scan 6s infinite;
    pointer-events: none;
}

@keyframes scan {
    0% {
        left: -100%;
    }

    50%,
    100% {
        left: 200%;
    }
}

/* Floating Elements */
.floating-card {
    position: absolute;
    width: 120px;
    height: 160px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1;
    background: #222;
}

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

.floating-card .tag {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 8px 6px;
    background: linear-gradient(to top, rgba(0, 0, 0, 1), transparent);
    color: white;
    font-size: 11px;
    font-weight: 600;
    text-align: center;
}

.floating-card .gold-tag {
    color: var(--gold-accent);
}

.float-1 {
    top: 5%;
    right: -25px;
    animation: float-obj 6s ease-in-out infinite;
    transform: rotate(10deg);
}

.float-2 {
    bottom: 10%;
    left: -40px;
    animation: float-obj 8s ease-in-out infinite reverse;
    transform: rotate(-12deg);
}

@keyframes float-obj {
    0% {
        transform: translateY(0px) rotate(10deg);
    }

    50% {
        transform: translateY(-15px) rotate(5deg);
    }

    100% {
        transform: translateY(0px) rotate(10deg);
    }
}

.footer {
    text-align: center;
    padding: 30px;
    color: var(--text-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    background: #000;
}

/* Responsiveness */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }

    .hero-content {
        margin: 0 auto;
    }

    .action-group,
    .features,
    .stats-counter {
        align-items: center;
        justify-content: center;
    }

    .badge {
        margin: 0 auto 24px;
    }

    .phone-mockup {
        transform: rotateY(0deg) rotateX(0deg);
        margin: 0 auto;
    }

    .float-1,
    .float-2 {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .phone-mockup {
        width: 280px;
        height: 580px;
    }

    .stats-counter {
        flex-direction: column;
        gap: 16px;
        width: 100%;
        border: none;
        background: transparent;
    }

    .stat-divider {
        display: none;
    }

    .dual-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }
}