/* ===== Hero 区域 ===== */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
    padding-top: 64px;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 999px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    margin-bottom: 32px;
    font-size: 14px;
    color: rgba(34, 211, 238, 0.9);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cyan);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-size: clamp(48px, 8vw, 80px);
    font-weight: 900;
    line-height: 0.95;
    margin-bottom: 24px;
}

.title-line { display: block; }

.hero-subtitle {
    font-size: clamp(20px, 3vw, 28px);
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 12px;
}

.hero-desc {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 520px;
    margin-bottom: 48px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 64px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.stat { text-align: left; }

.stat-num {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 4px;
}

.stat-num .stat-suffix {
    font-size: 20px;
    color: var(--text-secondary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
}

/* 右侧代码区域 */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.orbit {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.orbit-1 {
    inset: 15%;
    animation: spin 40s linear infinite;
}

.orbit-2 {
    inset: 25%;
    animation: spin 30s linear infinite reverse;
}

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

.orbit-dot {
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.5);
}

.orbit-dot-lg {
    width: 16px;
    height: 16px;
    background: var(--blue);
    box-shadow: 0 0 24px rgba(59, 130, 246, 0.5);
}

/* 涟漪动画区域 */
.ripple-container {
    position: relative;
    width: 320px;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ripple {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(6, 182, 212, 0.3);
    animation: ripple-expand 3s ease-out infinite;
}

.ripple-1 { animation-delay: 0s; }
.ripple-2 { animation-delay: 0.6s; }
.ripple-3 { animation-delay: 1.2s; }
.ripple-4 { animation-delay: 1.8s; }
.ripple-5 { animation-delay: 2.4s; }

@keyframes ripple-expand {
    0% {
        width: 40px;
        height: 40px;
        opacity: 1;
        border-width: 3px;
        border-color: rgba(6, 182, 212, 0.6);
    }
    50% {
        opacity: 0.5;
        border-width: 2px;
        border-color: rgba(6, 182, 212, 0.3);
    }
    100% {
        width: 320px;
        height: 320px;
        opacity: 0;
        border-width: 1px;
        border-color: rgba(6, 182, 212, 0);
    }
}

.hero-logo {
    position: relative;
    z-index: 1;
    width: 140px;
    height: 140px;
    filter: drop-shadow(0 0 30px rgba(6, 182, 212, 0.4));
    animation: logo-breathe 4s ease-in-out infinite;
}

@keyframes logo-breathe {
    0%, 100% {
        transform: scale(1);
        filter: drop-shadow(0 0 30px rgba(6, 182, 212, 0.4));
    }
    50% {
        transform: scale(1.05);
        filter: drop-shadow(0 0 50px rgba(6, 182, 212, 0.6));
    }
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 13px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

.scroll-mouse {
    width: 24px;
    height: 36px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    position: relative;
}

.scroll-mouse::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--cyan);
    border-radius: 2px;
    animation: scroll-dot 2s ease-in-out infinite;
}

@keyframes scroll-dot {
    0%, 100% { opacity: 1; top: 6px; }
    50% { opacity: 0.3; top: 16px; }
}

/* 响应式 */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    .hero-desc, .hero-actions, .hero-stats {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-stats { max-width: 400px; }
    .stat { text-align: center; }
    .ripple-container {
        margin: 0 auto;
        width: 280px;
        height: 280px;
    }
    .hero-logo {
        width: 120px;
        height: 120px;
    }
}

@media (max-width: 640px) {
    .hero-stats { grid-template-columns: 1fr; gap: 16px; }
    .ripple-container {
        width: 240px;
        height: 240px;
    }
    .hero-logo {
        width: 100px;
        height: 100px;
    }
}