/* ====== Fonts ====== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;600;700;900&display=swap');

/* ====== CSS Variables ====== */
:root {
    --bg-deep: #06060f;
    --bg-dark: #0c0c20;
    --bg-card: rgba(255,255,255,0.03);
    --border-card: rgba(255,255,255,0.06);
    --gold: #f0b90b;
    --gold-light: #f7c948;
    --orange: #ff6b35;
    --orange-dark: #e85d26;
    --purple: #7c3aed;
    --text-primary: #f0f0f0;
    --text-secondary: #999;
    --text-muted: #666;
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ====== Reset ====== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Serif SC", -apple-system, sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; outline: none; font-family: inherit; }

/* ====== Starfield Canvas ====== */
#starfield {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* ====== Container ====== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* ====== Section Title ====== */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,107,53,0.1);
    border: 1px solid rgba(255,107,53,0.25);
    color: var(--orange);
    padding: 5px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 16px;
}
.section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.3;
    letter-spacing: 1px;
}
.section-title .gold {
    background: linear-gradient(135deg, var(--orange), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 8px;
}
.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold-light), transparent);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* ====== Navigation ====== */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    transition: var(--transition);
}
.nav.scrolled {
    background: rgba(8, 8, 24, 0.9);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.15rem;
    color: #fff;
    letter-spacing: 1px;
}
.nav-logo img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
    box-shadow: 0 4px 16px rgba(255,107,53,0.3);
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-links a {
    font-size: 0.88rem;
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 8px;
    transition: var(--transition);
    font-weight: 500;
    position: relative;
}
.nav-links a:hover {
    color: #fff;
    background: rgba(255,255,255,0.06);
}
.nav-download {
    background: linear-gradient(135deg, var(--orange), var(--orange-dark)) !important;
    color: #fff !important;
    padding: 10px 24px !important;
    border-radius: 24px !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 20px rgba(255,107,53,0.35);
    letter-spacing: 0.5px;
}
.nav-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(255,107,53,0.5) !important;
    background: linear-gradient(135deg, var(--orange), var(--orange-dark)) !important;
}
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    padding: 8px;
    z-index: 1001;
}
.menu-toggle span {
    width: 26px; height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ====== Mobile Menu ====== */
.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(6, 6, 15, 0.97);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
}
.mobile-menu.active { display: flex; }
.mobile-menu a {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 12px 32px;
    transition: var(--transition);
}
.mobile-menu a:hover { color: var(--gold-light); }
.mobile-menu .mobile-dl {
    background: linear-gradient(135deg, var(--orange), var(--orange-dark));
    color: #fff !important;
    border-radius: 28px;
    padding: 14px 48px !important;
    font-size: 1.1rem;
    box-shadow: 0 8px 30px rgba(255,107,53,0.4);
}

/* ====== Hero Section ====== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 80px 16px 60px;
    overflow: hidden;
    background: url('images/banner/banner52f9187bf6385d6991d0e0789088bbb11783165888.jpg') center/cover no-repeat;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(6,6,15,0.75) 0%,
        rgba(6,6,15,0.55) 40%,
        rgba(6,6,15,0.7) 100%
    );
    z-index: 1;
    pointer-events: none;
}
.hero-ambient {
    position: absolute;
    inset: 0;
    pointer-events: none;
}
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    animation: floatGlow 8s ease-in-out infinite;
}
.hero-glow-1 {
    width: 500px; height: 500px;
    background: rgba(255,107,53,0.1);
    top: 15%; right: -10%;
    animation-delay: 0s;
}
.hero-glow-2 {
    width: 400px; height: 400px;
    background: rgba(124,58,237,0.1);
    bottom: 20%; left: -8%;
    animation-delay: -4s;
}
.hero-glow-3 {
    width: 350px; height: 350px;
    background: rgba(240,185,11,0.06);
    top: 40%; left: 50%;
    transform: translateX(-50%);
    animation-delay: -6s;
}
@keyframes floatGlow {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.6; }
    50% { transform: translateY(-40px) scale(1.1); opacity: 1; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 750px;
}
.hero-icon-wrap {
    position: relative;
    display: inline-block;
    margin-bottom: 28px;
}
.hero-icon {
    width: 100px;
    height: 100px;
    border-radius: 22px;
    object-fit: cover;
    position: relative;
    z-index: 2;
    box-shadow: 0 12px 48px rgba(255,107,53,0.35);
}
.hero-icon-ring {
    position: absolute;
    inset: -8px;
    border-radius: 28px;
    border: 2px solid rgba(255,107,53,0.3);
    animation: ringPulse 2.5s ease-in-out infinite;
}
.hero-icon-ring::before {
    content: '';
    position: absolute;
    inset: -12px;
    border-radius: 33px;
    border: 1px solid rgba(240,185,11,0.15);
    animation: ringPulse 2.5s ease-in-out infinite 0.5s;
}
@keyframes ringPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.05); opacity: 1; }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,107,53,0.12);
    border: 1px solid rgba(255,107,53,0.3);
    color: var(--orange);
    padding: 6px 18px;
    border-radius: 24px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 1px;
}
.hero-badge .dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--orange);
    animation: dotBlink 1.5s ease-in-out infinite;
}
@keyframes dotBlink {
    0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--orange); }
    50% { opacity: 0.3; box-shadow: 0 0 2px var(--orange); }
}

.hero-title {
    font-size: clamp(2rem, 5.5vw, 3.6rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 8px;
    letter-spacing: 3px;
    font-family: "Noto Serif SC", "PingFang SC", "Microsoft YaHei", serif;
}
.hero-title .highlight {
    background: linear-gradient(135deg, var(--orange) 20%, var(--gold-light) 60%, #ffe08a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(255,107,53,0.3));
}
.hero-tagline {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    color: var(--text-secondary);
    margin-bottom: 12px;
    letter-spacing: 2px;
}
.hero-slogan {
    display: inline-block;
    background: linear-gradient(135deg, rgba(255,107,53,0.15), rgba(240,185,11,0.1));
    border: 1px solid rgba(240,185,11,0.3);
    color: var(--gold-light);
    padding: 10px 28px;
    border-radius: 28px;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 28px;
    animation: sloganPop 0.6s ease-out;
}
@keyframes sloganPop {
    0% { transform: scale(0.5); opacity: 0; }
    70% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 36px;
}
.hero-feature {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 14px;
    padding: 10px 20px;
    font-size: 0.85rem;
    color: #ccc;
    display: flex;
    align-items: center;
    gap: 7px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}
.hero-feature:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,107,53,0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.hero-feature .icon { font-size: 1.1rem; }

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 0;
}
.hero-download-wrap {
    position: relative;
    display: inline-flex;
}
.hero-qr-popup {
    position: absolute;
    bottom: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: rgba(12,12,32,0.96);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 16px;
    padding: 16px;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s, visibility 0.25s, transform 0.25s;
    z-index: 100;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.6);
}
.hero-qr-popup::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid rgba(12,12,32,0.96);
}
.hero-qr-popup.visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.hero-qr-code {
    width: 160px;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-qr-code canvas,
.hero-qr-code img {
    border-radius: 8px;
    display: block;
}
.hero-qr-popup span {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 8px;
    letter-spacing: 1px;
}
.hero-welfare {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.04);
    border: 2px solid rgba(240,185,11,0.4);
    color: var(--gold-light);
    padding: 14px 40px;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 700;
    transition: var(--transition);
    letter-spacing: 1px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}
.hero-welfare::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(240,185,11,0.1), rgba(255,107,53,0.08));
    opacity: 0;
    transition: opacity var(--transition);
}
.hero-welfare:hover {
    border-color: var(--gold-light);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 10px 32px rgba(240,185,11,0.3);
}
.hero-welfare:hover::before {
    opacity: 1;
}
.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--orange), var(--orange-dark));
    color: #fff;
    padding: 16px 48px;
    border-radius: 30px;
    font-size: 1.15rem;
    font-weight: 700;
    transition: var(--transition);
    box-shadow: 0 8px 36px rgba(255,107,53,0.45);
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}
.hero-cta::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255,255,255,0.15), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}
.hero-cta:hover::after {
    transform: translateX(100%);
}
.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 44px rgba(255,107,53,0.6);
}
.hero-cta-arrow {
    transition: transform var(--transition);
}
.hero-cta:hover .hero-cta-arrow {
    transform: translateX(4px);
}
.hero-info {
    margin-top: 18px;
    font-size: 0.82rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}
.hero-info span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ====== Stats Strip ====== */
.stats-strip {
    padding: 32px 0;
    background: rgba(255,255,255,0.015);
    border-top: 1px solid rgba(255,255,255,0.04);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    position: relative;
    z-index: 1;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}
.stat-item .stat-num {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 900;
    background: linear-gradient(135deg, var(--orange), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-item .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ====== Game Intro ====== */
.intro-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}
.intro-content {
    display: flex;
    flex-direction: column;
    gap: 36px;
}
.intro-card {
    display: flex;
    align-items: center;
    gap: 40px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}
.intro-text {
    flex: 1;
}
.intro-image {
    flex-shrink: 0;
    width: 340px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
    transition: var(--transition);
}
.intro-image:hover {
    transform: scale(1.02);
    border-color: rgba(255,107,53,0.3);
    box-shadow: 0 16px 48px rgba(255,107,53,0.15);
}
.intro-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}
.intro-image:hover img {
    transform: scale(1.05);
}
.intro-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--orange), var(--gold-light), var(--orange));
    border-radius: 4px;
}
.intro-paragraph {
    font-size: 1.1rem;
    color: var(--text-primary);
    line-height: 2;
    letter-spacing: 0.5px;
}
.intro-paragraph + .intro-paragraph {
    margin-top: 18px;
}
.intro-highlight {
    color: var(--orange);
    font-weight: 700;
    font-size: 1.15rem;
}
.text-gold {
    color: var(--gold-light);
    font-weight: 700;
}
.text-orange {
    color: var(--orange);
    font-weight: 700;
}

.intro-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}
.highlight-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    transition: var(--transition);
}
.highlight-item:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,107,53,0.25);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,107,53,0.1);
    border-radius: 14px;
}
.highlight-info {
    flex: 1;
}
.highlight-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}
.highlight-desc {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ====== Features ====== */
.features-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.feature-card {
    position: relative;
    background: rgba(255,255,255,0.025);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    padding: 36px 28px 28px;
    text-align: center;
    transition: var(--transition);
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(255,107,53,0.06), transparent 70%);
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}
.feature-card:hover::before { opacity: 1; }
.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255,107,53,0.2);
    box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.feature-icon-wrap {
    width: 72px; height: 72px;
    margin: 0 auto 20px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    position: relative;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    transition: var(--transition);
}
.feature-card:hover .feature-icon-wrap {
    border-color: rgba(255,107,53,0.3);
    box-shadow: 0 0 30px rgba(255,107,53,0.15);
}
.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}
.feature-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ====== Art Gallery Carousel ====== */
.art-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
    background: rgba(255,255,255,0.01);
}
.art-carousel {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}
.art-viewport {
    overflow: hidden;
    border-radius: var(--radius-lg);
}
.art-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}
.art-slide {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    flex-shrink: 0;
    width: 100%;
}
.art-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
    aspect-ratio: 9/16;
    position: relative;
    background: rgba(255,255,255,0.02);
}
.art-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}
.art-item:hover {
    transform: translateY(-4px);
    border-color: rgba(240,185,11,0.3);
    box-shadow: 0 12px 36px rgba(0,0,0,0.5);
}
.art-item:hover img {
    transform: scale(1.06);
}
.art-item .art-label {
    position: absolute;
    bottom: 0;
    inset-inline: 0;
    padding: 12px 16px;
    background: linear-gradient(transparent, rgba(0,0,0,0.75));
    font-size: 0.82rem;
    color: #fff;
    font-weight: 600;
    text-align: center;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}
.art-item:hover .art-label {
    opacity: 1;
    transform: translateY(0);
}

/* Arrows */
.art-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(12,12,32,0.85);
    border: 1px solid rgba(255,255,255,0.15);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}
.art-arrow:hover {
    background: rgba(255,107,53,0.2);
    border-color: rgba(255,107,53,0.4);
    color: var(--orange);
}
.art-arrow-prev { left: -18px; }
.art-arrow-next { right: -18px; }

/* Dots */
.art-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
}
.art-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}
.art-dot.active {
    background: var(--orange);
    box-shadow: 0 0 10px rgba(255,107,53,0.5);
    width: 28px;
    border-radius: 5px;
}

/* ====== Screenshots Carousel ====== */
.screenshots-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}
.screenshot-carousel {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}
.ss-viewport {
    overflow: hidden;
    border-radius: var(--radius-lg);
}
.ss-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}
.ss-slide {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    flex-shrink: 0;
    width: 100%;
}
.ss-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
    aspect-ratio: 9/20;
    position: relative;
    background: rgba(255,255,255,0.02);
}
.ss-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}
.ss-item:hover {
    transform: translateY(-6px);
    border-color: rgba(240,185,11,0.25);
    box-shadow: 0 20px 48px rgba(0,0,0,0.5);
}
.ss-item:hover img { transform: scale(1.06); }
.ss-item .ss-label {
    position: absolute;
    bottom: 0;
    inset-inline: 0;
    padding: 12px 16px;
    background: linear-gradient(transparent, rgba(0,0,0,0.75));
    color: var(--gold-light);
    font-size: 0.78rem;
    font-weight: 600;
    text-align: center;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
}
.ss-item:hover .ss-label { opacity: 1; transform: translateY(0); }

/* SS Arrows */
.ss-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(12,12,32,0.85);
    border: 1px solid rgba(255,255,255,0.15);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}
.ss-arrow:hover {
    background: rgba(255,107,53,0.2);
    border-color: rgba(255,107,53,0.4);
    color: var(--orange);
}
.ss-arrow-prev { left: -18px; }
.ss-arrow-next { right: -18px; }

/* SS Dots */
.ss-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
}
.ss-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}
.ss-dot.active {
    background: var(--orange);
    box-shadow: 0 0 10px rgba(255,107,53,0.5);
    width: 28px;
    border-radius: 5px;
}

/* ====== Welfare ====== */
.welfare-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
    background: rgba(255,255,255,0.01);
}
.welfare-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.welfare-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    background: rgba(255,255,255,0.025);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    padding: 22px 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.welfare-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--orange), var(--gold-light));
    border-radius: 0 2px 2px 0;
    transform: scaleY(0);
    transition: transform var(--transition);
}
.welfare-item:hover::before { transform: scaleY(1); }
.welfare-item:hover {
    border-color: rgba(255,107,53,0.2);
    background: rgba(255,255,255,0.05);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.welfare-emoji {
    font-size: 1.6rem;
    flex-shrink: 0;
    width: 48px; height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.04);
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.06);
}
.welfare-item h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--gold-light);
    margin-bottom: 4px;
}
.welfare-item p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ====== Video ====== */
.video-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}
.video-wrapper {
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 24px 64px rgba(0,0,0,0.6);
    position: relative;
}
.video-wrapper video {
    width: 100%;
    display: block;
}
.video-wrapper::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: calc(var(--radius-lg) + 2px);
    padding: 2px;
    background: linear-gradient(135deg, rgba(255,107,53,0.3), rgba(240,185,11,0.2), rgba(124,58,237,0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

/* ====== CTA ====== */
.cta-section {
    padding: 100px 0;
    text-align: center;
    position: relative;
    z-index: 1;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(255,107,53,0.08), transparent 70%);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    pointer-events: none;
}
.cta-content { position: relative; z-index: 2; }
.cta-content h2 {
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 900;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.cta-content p {
    color: var(--text-secondary);
    margin-bottom: 36px;
    font-size: 1rem;
}
.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 0;
}
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 48px;
    border-radius: 32px;
    font-size: 1.15rem;
    font-weight: 800;
    transition: var(--transition);
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
}
.cta-android {
    background: linear-gradient(135deg, #3ddc84, #00b368);
    color: #fff;
    box-shadow: 0 10px 36px rgba(61,220,132,0.4);
}
.cta-android:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 48px rgba(61,220,132,0.55);
}
.cta-ios {
    background: linear-gradient(135deg, #2c3e6b, #1a1f3a);
    color: #fff;
    box-shadow: 0 10px 36px rgba(44,62,107,0.4);
}
.cta-ios:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 48px rgba(44,62,107,0.55);
}
.cta-btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255,255,255,0.2), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}
.cta-btn:hover::after { transform: translateX(100%); }
.cta-qr {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 28px auto 0;
    width: 180px;
    height: 180px;
    padding: 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
}
.cta-qr canvas,
.cta-qr img {
    border-radius: 8px;
    display: block;
}
.cta-extra {
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: var(--text-muted);
}
.cta-extra span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ====== Back to Top ====== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 28px;
    z-index: 2000;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(12,12,32,0.85);
    border: 1px solid rgba(255,255,255,0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s, background 0.3s, border-color 0.3s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: rgba(255,107,53,0.2);
    border-color: rgba(255,107,53,0.5);
    color: var(--orange);
    box-shadow: 0 6px 28px rgba(255,107,53,0.25);
    transform: translateY(-3px);
}

/* ====== Footer ====== */
.footer {
    padding: 48px 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
    position: relative;
    z-index: 1;
}
.footer-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.footer-links-title {
    color: var(--gold-light);
    font-size: 0.82rem;
    font-weight: 700;
    margin-right: 8px;
    letter-spacing: 1px;
}
.footer-links a {
    color: #666;
    font-size: 0.78rem;
    transition: color 0.25s;
    padding: 4px 10px;
    border-radius: 4px;
}
.footer-links a:hover {
    color: var(--gold-light);
    background: rgba(240,185,11,0.08);
}
.footer-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.footer p {
    font-size: 0.8rem;
    color: #555;
    line-height: 2;
}

/* ====== Lightbox ====== */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: rgba(0,0,0,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.lightbox.active { display: flex; }
.lightbox img {
    max-width: 92vw;
    max-height: 88vh;
    border-radius: 16px;
    object-fit: contain;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
    animation: lightboxIn 0.3s ease-out;
}
@keyframes lightboxIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}
.lightbox-close {
    position: absolute;
    top: 24px; right: 28px;
    font-size: 2rem;
    color: #fff;
    cursor: pointer;
    background: rgba(255,255,255,0.1);
    border: none;
    width: 44px; height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 3001;
}
.lightbox-close:hover { background: rgba(255,255,255,0.2); }

/* ====== Scroll Reveal ====== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ====== Responsive ====== */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .intro-highlights { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .menu-toggle { display: flex; }
    .hero { min-height: auto; padding: 100px 16px 60px; }
    .hero-icon { width: 80px; height: 80px; border-radius: 18px; }
    .hero-title { font-size: 1.8rem; }
    .hero-features { flex-direction: column; align-items: center; }
    .hero-feature { width: 100%; max-width: 320px; justify-content: center; }
    .hero-actions { gap: 12px; }
    .hero-welfare { padding: 12px 32px; font-size: 1rem; }
    .hero-cta { padding: 14px 36px; font-size: 1.05rem; }
    .features-grid { grid-template-columns: 1fr; }
    .ss-slide { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .art-slide { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .ss-arrow-prev, .art-arrow-prev { left: 8px; }
    .ss-arrow-next, .art-arrow-next { right: 8px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .intro-highlights { grid-template-columns: 1fr; }
    .cta-buttons { gap: 14px; }
    .cta-btn { padding: 16px 36px; font-size: 1.05rem; }
    .welfare-item { padding: 18px 16px; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.6rem; letter-spacing: 1px; }
    .hero-slogan { font-size: 0.9rem; padding: 8px 18px; }
    .hero-actions { flex-direction: column; width: 100%; align-items: stretch; }
    .hero-download-wrap { width: 100%; display: flex; }
    .hero-welfare { padding: 12px 28px; font-size: 1rem; width: 100%; justify-content: center; }
    .hero-cta { padding: 12px 28px; font-size: 1rem; width: 100%; justify-content: center; }
    .ss-slide { gap: 10px; }
    .art-slide { gap: 10px; }
    .ss-arrow, .art-arrow { width: 36px; height: 36px; }
    .section-header { margin-bottom: 2rem; }
    .section-title { font-size: 1.4rem; }
    .feature-card { padding: 24px 16px; }
    .cta-buttons { flex-direction: column; width: 100%; gap: 12px; }
    .cta-btn { width: 100%; justify-content: center; }
    .cta-section { padding: 60px 0; }
    .intro-card { padding: 28px 20px; flex-direction: column; gap: 24px; }
    .intro-image { width: 100%; }
    .intro-paragraph { font-size: 0.95rem; }
}