.index_main {
    position: relative;
    width: 100%;
    min-height: 200px;
    display: block;
    margin: 0 auto;
    overflow: hidden; 
}
.index_mainbox {
    position: relative;
    width: 100%;
    max-width: 1200px;
    display: block;
    margin: 0 auto;

}


   @import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');

    :root {
        --hw-primary: #2563eb;
        --hw-primary-dark: #1d4ed8;
        --hw-accent: #f59e0b;
        --hw-text-main: #0f172a;
        --hw-text-muted: #64748b;
        --hw-bg-light: #f8fafc;
        --hw-border: #e2e8f0;
        --hw-radius: 24px;
    }

    .hw-wrapper {
        font-family: 'SF Pro Display', 'PingFang SC', -apple-system, sans-serif;
        color: var(--hw-text-main);
        line-height: 1.6;
        background: #fff;
        overflow-x: hidden;
    }

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

    /* --- 极简 Hero 区域 --- */
    .hw-hero {
        position: relative;
        min-height: 95vh;
        background: url('bg2.webp') no-repeat center center/cover;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 100px 0;
    }

    .hw-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.6) 100%);
        z-index: 1;
    }

    .hw-hero-content {
        position: relative;
        z-index: 2;
        text-align: center;
        max-width: 900px;
    }

    .hw-hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 8px 16px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        color: #fff;
        border-radius: 100px;
        font-size: 0.9rem;
        font-weight: 600;
        margin-bottom: 32px;
    }

    .hw-hero h1 {
        font-size: clamp(2.5rem, 6vw, 4.5rem);
        font-weight: 800;
        color: #fff;
        line-height: 1.1;
        margin-bottom: 24px;
        letter-spacing: -0.03em;
        text-shadow: 0 4px 15px rgba(0,0,0,0.5);
    }

    .hw-hero h1 span {
        color: #60a5fa;
    }

    .hw-hero p {
        font-size: clamp(1.1rem, 2.5vw, 1.4rem);
        color: rgba(255, 255, 255, 0.9);
        max-width: 700px;
        margin: 0 auto 48px;
        text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    }

    .hw-btn-group {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .hw-btn {
        padding: 16px 40px;
        border-radius: 14px;
        font-weight: 600;
        font-size: 1.1rem;
        text-decoration: none;
        transition: all 0.2s ease;
    }

    .hw-btn-primary {
        background: #2563eb;
        color: #fff;
        box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
    }

    .hw-btn-primary:hover {
        background: #1d4ed8;
        transform: scale(1.02);
    }

    /* 社交栏集成 */
    .hw-social-bar {
        margin-top: 60px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(15px);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 100px;
        padding: 12px 30px;
        display: inline-flex;
        gap: 24px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    }

    .hw-social-icon {
        color: rgba(255, 255, 255, 0.8);
        font-size: 1.2rem;
        transition: all 0.2s;
    }

    .hw-social-icon:hover {
        color: #fff;
        transform: translateY(-2px);
    }

    /* --- 对比板块 --- */
    .hw-section {
        padding: 120px 0;
    }

    .hw-comparison {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        margin-top: 60px;
    }

    .hw-comp-card {
        padding: 48px;
        border-radius: var(--hw-radius);
        background: var(--hw-bg-light);
        border: 1px solid var(--hw-border);
    }

    .hw-comp-card.premium {
        background: #fff;
        border: 2px solid var(--hw-primary);
        box-shadow: 0 30px 60px rgba(37, 99, 235, 0.1);
        position: relative;
    }

    .hw-comp-card h4 {
        font-size: 1.5rem;
        margin-bottom: 24px;
    }

    .hw-comp-list {
        list-style: none;
        padding: 0;
    }

    .hw-comp-list li {
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 12px;
        color: var(--hw-text-muted);
    }

    .hw-comp-list li i {
        font-size: 1rem;
    }

    .hw-comp-list .check { color: var(--hw-primary); }
    .hw-comp-list .cross { color: #ef4444; }

    /* --- 功能网格 --- */
    .hw-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 32px;
        margin-top: 64px;
    }

    .hw-feature-card {
        padding: 40px;
        border-radius: var(--hw-radius);
        background: #fff;
        border: 1px solid var(--hw-border);
        transition: all 0.3s ease;
    }

    .hw-feature-card:hover {
        border-color: var(--hw-primary);
        box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    }

    .hw-feature-card i {
        width: 64px;
        height: 64px;
        background: #f1f5f9;
        color: var(--hw-primary);
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.5rem;
        margin-bottom: 24px;
    }

    /* --- 数据面板 --- */
    .hw-stats {
        background: #000;
        color: #fff;
        border-radius: var(--hw-radius);
        padding: 80px 40px;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        text-align: center;
    }

    .hw-stat-item h3 {
        font-size: 3.5rem;
        font-weight: 800;
        margin-bottom: 8px;
        background: linear-gradient(to right, #fff, #94a3b8);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    /* --- 响应式 --- */
    @media (max-width: 992px) {
        .hw-comparison { grid-template-columns: 1fr; }
        .hw-stats { grid-template-columns: 1fr 1fr; gap: 40px; }
    }

    @media (max-width: 768px) {
        .hw-section { padding: 80px 0; }
        .hw-hero { padding: 80px 0; min-height: auto; }
        .hw-stat-item h3 { font-size: 2.5rem; }
    }