/* ================= 核心引导内容区 (Hero) ================= */
.hero {
    padding-top: 140px;
    padding-bottom: 60px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

/* 左侧文本优化 */
.main-title {
    font-size: 4.8rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, #ffffff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight {
    display: inline-block;
}

.highlight-red {
    background: linear-gradient(135deg, #ff3366, #ff9900);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight-blue {
    background: linear-gradient(135deg, #00f2fe, #4facfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 35px;
    max-width: 90%;
    line-height: 1.8;
}

.subtitle strong {
    color: #e2e8f0;
}

.tags-container {
    margin-bottom: 45px;
}

.subject-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 242, 96, 0.1);
    color: #00f260;
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid rgba(0, 242, 96, 0.25);
    box-shadow: 0 0 20px rgba(0, 242, 96, 0.15);
}

/* 按钮组增强质感 */
.cta-group {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, #ff3366, #ff6b6b);
    color: white;
    box-shadow: 0 8px 25px rgba(255, 51, 102, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 35px rgba(255, 51, 102, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px);
}

/* 右侧视频模拟区 (升级为类似玻璃展示盒) */
.hero-visual {
    position: relative;
    width: 100%;
}

.video-mockup {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    aspect-ratio: 16 / 9;
    position: relative;
    overflow: hidden;
    box-shadow: var(--glass-shadow), 0 0 0 1px rgba(255,255,255,0.02) inset;
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px; /* 添加内边距模拟外框 */
}

.video-mockup::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    pointer-events: none;
    z-index: 2;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--radius-lg) - 6px);
    position: relative;
    z-index: 1;
}

.floating-element {
    position: absolute;
    color: var(--color-blue);
    font-weight: 700;
    font-size: 1.2rem;
    opacity: 0.8;
    text-shadow: 0 0 15px rgba(0, 242, 254, 0.6);
    z-index: 5;
}

.el-1 {
    top: 15%;
    right: 5%;
    animation: float 4s ease-in-out infinite 1s;
}

.el-2 {
    bottom: 20%;
    left: -5%;
    animation: float 5s ease-in-out infinite 2s;
}

/* 首页响应式 */
@media (max-width: 1024px) {
    .main-title {
        font-size: 3.8rem;
    }
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 50px;
    }
    
    .subtitle {
        margin: 0 auto 35px auto;
    }
    
    .tags-container {
        justify-content: center;
        display: flex;
    }
    
    .cta-group {
        justify-content: center;
    }
    
    .main-title {
        font-size: 3.2rem;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 2.8rem;
    }
    
    .cta-group {
        flex-direction: column;
    }
}