@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 100%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-muted: rgba(255, 255, 255, 0.6);
    --card-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --glow-shadow: 0 0 50px rgba(102, 126, 234, 0.3);
    --container-padding: clamp(15px, 4vw, 40px);
    --section-padding: clamp(20px, 5vw, 40px);
    --header-padding: clamp(30px, 8vw, 60px);
    --gap-small: clamp(10px, 2vw, 15px);
    --gap-medium: clamp(15px, 3vw, 25px);
    --gap-large: clamp(20px, 4vw, 40px);
    --border-radius: clamp(15px, 3vw, 25px);
    --header-radius: clamp(20px, 4vw, 30px);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--dark-gradient);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    font-size: clamp(0.9rem, 2vw, 1.1rem);
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(79, 172, 254, 0.1) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

.particle {
    position: fixed;
    width: clamp(2px, 0.5vw, 4px);
    height: clamp(2px, 0.5vw, 4px);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 15s infinite linear;
    z-index: -1;
}

@keyframes float {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) rotate(360deg); opacity: 0; }
}

.container {
    max-width: min(1200px, 95vw);
    margin: 0 auto;
    padding: var(--container-padding);
    position: relative;
    z-index: 1;
    width: 100%;
}

header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--header-radius);
    padding: var(--header-padding) var(--section-padding);
    margin-bottom: var(--gap-large);
    text-align: center;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    animation: slideInDown 1s ease-out;
}

header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    animation: rotate 10s linear infinite;
    z-index: -1;
}

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

@keyframes slideInDown {
    0% { transform: translateY(-100px) rotateX(-90deg); opacity: 0; }
    100% { transform: translateY(0) rotateX(0deg); opacity: 1; }
}

header h1 {
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--gap-small);
    text-shadow: 0 0 30px rgba(102, 126, 234, 0.5);
    animation: textGlow 3s ease-in-out infinite alternate;
}

@keyframes textGlow {
    0% { filter: brightness(1) drop-shadow(0 0 10px rgba(102, 126, 234, 0.3)); }
    100% { filter: brightness(1.2) drop-shadow(0 0 20px rgba(102, 126, 234, 0.6)); }
}

header p {
    font-size: clamp(1rem, 3vw, 1.4rem);
    color: var(--text-secondary);
    margin-bottom: var(--gap-large);
    font-weight: 300;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--gap-small);
    background: var(--accent-gradient);
    color: white;
    padding: clamp(12px, 2vw, 15px) clamp(25px, 4vw, 30px);
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(79, 172, 254, 0.3);
    animation: pulse 2s ease-in-out infinite;
    transition: all 0.3s ease;
    font-size: clamp(0.9rem, 2vw, 1.1rem);
}

.cta-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(79, 172, 254, 0.5);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.policy-section, .apps-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: var(--section-padding);
    margin-bottom: var(--gap-large);
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
    animation: slideInUp 0.8s ease-out;
    animation-fill-mode: both;
}

.apps-container {
    background: transparent;
    backdrop-filter: none;
    border: none;
    padding: 0;
    box-shadow: none;
}

.policy-section:nth-child(even), .app-card:nth-child(even) { animation-delay: 0.2s; }
.policy-section:nth-child(odd), .app-card:nth-child(odd) { animation-delay: 0.4s; }

@keyframes slideInUp {
    0% { transform: translateY(100px) rotateX(45deg); opacity: 0; }
    100% { transform: translateY(0) rotateX(0deg); opacity: 1; }
}

.policy-section::before, .app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.5s ease;
}

.policy-section h2, .apps-container h2 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 600;
    margin-bottom: var(--gap-medium);
    display: flex;
    align-items: center;
    gap: var(--gap-small);
    color: var(--text-primary);
}

.policy-section h2 i, .apps-container h2 i {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 10px rgba(240, 147, 251, 0.3));
}

.policy-section p {
    color: var(--text-secondary);
    margin-bottom: var(--gap-medium);
}

/* --- App Grid Styles --- */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--gap-large);
}

.app-card {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--card-shadow);
}

.app-icon {
    width: clamp(70px, 15vw, 90px);
    height: clamp(70px, 15vw, 90px);
    border-radius: 25%;
    background: var(--dark-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--gap-medium);
    border: 2px solid var(--glass-border);
    box-shadow: inset 0 0 15px rgba(0,0,0,0.5);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.app-icon i {
    font-size: clamp(2rem, 6vw, 2.8rem);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 15px rgba(79, 172, 254, 0.5));
}

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

.app-card h3 {
    font-size: clamp(1.4rem, 4vw, 1.8rem);
    font-weight: 600;
    margin-bottom: var(--gap-small);
}

.app-status {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 15px;
    border-radius: 20px;
    margin-bottom: var(--gap-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.app-status.available {
    background: rgba(26, 188, 156, 0.2);
    color: #1abc9c;
    border: 1px solid #1abc9c;
}

.app-card.coming-soon .app-status {
    background: rgba(149, 165, 166, 0.2);
    color: #95a5a6;
    border: 1px solid #95a5a6;
}

.app-card p {
    color: var(--text-secondary);
    margin-bottom: var(--gap-medium);
    flex-grow: 1; 
}

.app-buttons {
    display: flex;
    gap: var(--gap-medium);
    margin-top: auto;
    width: 100%;
    justify-content: center;
    align-items: center;
}

/* UPDATED: Generic .app-btn style is now simpler */
.app-btn {
    text-decoration: none;
    transition: all 0.3s ease;
}

.app-btn.learn-more {
    background: transparent;
    border: none;
    padding: 0;
    max-width: 160px;
    height: auto;
}

.app-btn.learn-more img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.app-btn.learn-more:hover img {
    transform: scale(1.05);
    opacity: 0.9;
}

/* REMOVED: .app-btn.privacy style is no longer needed */

.app-card.coming-soon {
    opacity: 0.6;
    filter: grayscale(50%);
}

.app-card.coming-soon .app-btn.disabled {
    pointer-events: none;
    background-color: rgba(149, 165, 166, 0.1);
    color: #95a5a6;
    border: 1px solid rgba(149, 165, 166, 0.3);
    border-radius: 8px;
    display: inline-block;
    padding: 10px 15px;
    font-weight: 600;
}

@media (hover: hover) and (pointer: fine) {
    .policy-section:hover, .app-card:hover {
        transform: translateY(-10px) scale(1.02);
        box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3), var(--glow-shadow);
        border-color: rgba(102, 126, 234, 0.3);
    }
    .policy-section:hover::before, .app-card:hover::before {
        transform: scaleX(1);
    }
    .app-card:hover {
        opacity: 1;
        filter: grayscale(0);
    }
    .app-card:hover .app-icon {
        transform: scale(1.1) rotate(-5deg);
    }
}

/* ... (Rest of CSS is unchanged) ... */
.contact-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: clamp(8px, 1.5vw, 10px);
    background: var(--secondary-gradient);
    color: white;
    padding: clamp(12px, 3vw, 18px) clamp(20px, 4vw, 35px);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: clamp(0.9rem, 2.5vw, 1.1rem);
    margin-top: var(--gap-medium);
    box-shadow: 0 15px 35px rgba(240, 147, 251, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.contact-btn:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 25px 50px rgba(240, 147, 251, 0.5);
}

footer {
    text-align: center;
    margin-top: clamp(40px, 8vw, 60px);
    padding: var(--gap-large) var(--gap-medium);
    color: var(--text-muted);
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: clamp(60px, 15vw, 100px);
    height: 2px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

footer p {
    margin-bottom: 10px;
    font-size: clamp(0.8rem, 2vw, 1rem);
}

footer p:last-child {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.social-media {
    margin-bottom: var(--gap-large);
    padding: var(--gap-medium) 0;
}

.social-media h3 {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: 600;
    margin-bottom: var(--gap-medium);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.social-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(10px, 2.5vw, 20px);
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(40px, 8vw, 60px);
    /* MODIFIED: Reduced minimum width */
    height: clamp(40px, 8vw, 60px);
    /* MODIFIED: Reduced minimum height */
    border-radius: 50%;
    text-decoration: none;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    min-width: 40px;
    /* MODIFIED: Reduced min-width to match clamp */
    min-height: 40px;
    /* MODIFIED: Reduced min-height to match clamp */
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    transition: all 0.4s ease;
    z-index: -1;
    transform: scale(0);
}

.social-link.facebook {
    background: rgba(24, 119, 242, 0.1);
    color: #1877f2;
}

.social-link.facebook::before {
    background: linear-gradient(135deg, #1877f2, #42a5f5);
}

.social-link.instagram {
    background: rgba(225, 48, 108, 0.1);
    color: #e1306c;
}

.social-link.instagram::before {
    background: linear-gradient(135deg, #833ab4, #fd1d1d, #fcb045);
}

.social-link.youtube {
    background: rgba(255, 0, 0, 0.1);
    color: #ff0000;
}

.social-link.youtube::before {
    background: linear-gradient(135deg, #ff0000, #ff4444);
}

.social-link.linkedin {
    background: rgba(0, 119, 181, 0.1);
    color: #0077b5;
}

.social-link.linkedin::before {
    background: linear-gradient(135deg, #0077b5, #00a0dc);
}

.social-link.twitter {
    background: rgba(29, 161, 242, 0.1);
    color: #1DA1F2;
}

.social-link.twitter::before {
    background: linear-gradient(135deg, #1DA1F2, #0d8ddb);
}

@media (hover: hover) and (pointer: fine) {
    .social-link:hover {
        transform: translateY(-8px) scale(1.1);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
        color: white;
    }

    .social-link:hover::before {
        transform: scale(1);
    }

    .social-link:hover i {
        transform: scale(1.1);
        filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5));
    }

    .social-link.facebook:hover {
        box-shadow: 0 15px 40px rgba(24, 119, 242, 0.4);
    }

    .social-link.instagram:hover {
        box-shadow: 0 15px 40px rgba(225, 48, 108, 0.4);
    }

    .social-link.youtube:hover {
        box-shadow: 0 15px 40px rgba(255, 0, 0, 0.4);
    }

    .social-link.linkedin:hover {
        box-shadow: 0 15px 40px rgba(0, 119, 181, 0.4);
    }

    .social-link.twitter:hover {
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    }
}

@media (hover: none) or (pointer: coarse) {
    .social-link:active {
        transform: scale(0.95);
        transition: transform 0.1s ease;
    }
}

.social-link i {
    transition: all 0.3s ease;
    z-index: 1;
    position: relative;
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

footer .social-media {
    margin-top: var(--gap-large);
    padding-top: var(--gap-large);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:focus {
    outline: 2px solid #4facfe;
    outline-offset: 3px;
    border-radius: 50%;
}

/* --- Chinese Policy Modal Styles --- */
.policy-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(12, 12, 12, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.policy-modal-content {
    position: relative;
    max-width: 800px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    animation: slideInUpModal 0.4s ease-out;
    margin-bottom: 0;
}

@keyframes slideInUpModal {
    from {
        transform: translateY(50px) scale(0.95);
        opacity: 0;
    }

    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.policy-modal-content::-webkit-scrollbar {
    width: 10px;
}

.policy-modal-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.policy-modal-content::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 10px;
}

.policy-modal-content::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #7b99ff 0%, #8c60c3 100%);
}

.close-button {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2.5rem;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
    transition: all 0.3s ease;
    z-index: 1010;
}

.close-button:hover {
    color: var(--text-primary);
    transform: scale(1.1) rotate(90deg);
}