.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: #6366f1;
        --hw-primary-dark: #4f46e5;
        --hw-accent: #10b981;
        --hw-text-main: #1e293b;
        --hw-text-muted: #64748b;
        --hw-bg-light: #f8fafc;
        --hw-glass: rgba(255, 255, 255, 0.03);
        --hw-glass-border: rgba(255, 255, 255, 0.1);
    }

    .hw-wrapper {
        font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
        color: var(--hw-text-main);
        line-height: 1.8;
        background: #fff;
    }

    /* 高级 Hero 区域 */
    .hw-hero {
        position: relative;
        min-height: 100vh;
        background: url('bg2.webp') no-repeat center center/cover;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 80px 20px;
        overflow: hidden;
    }

    .hw-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(15, 23, 42, 0.6) 0%, rgba(15, 23, 42, 0.3) 50%, rgba(15, 23, 42, 0.6) 100%);
        z-index: 1;
    }

    .hw-hero-inner {
        position: relative;
        z-index: 2;
        max-width: 1000px;
        text-align: center;
    }

    .hw-hero-tag {
        display: inline-block;
        padding: 6px 20px;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.3);
        color: #fff;
        border-radius: 100px;
        font-size: 0.9rem;
        font-weight: 600;
        margin-bottom: 30px;
        text-transform: uppercase;
        letter-spacing: 2px;
        backdrop-filter: blur(5px);
    }

    .hw-hero h1 {
        font-size: clamp(2.5rem, 8vw, 5rem);
        font-weight: 800;
        color: #fff;
        line-height: 1.1;
        margin-bottom: 25px;
        letter-spacing: -0.02em;
        text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    }

    .hw-hero h1 span {
        color: var(--hw-primary);
        position: relative;
    }

    .hw-hero p {
        font-size: clamp(1.1rem, 3vw, 1.5rem);
        color: #fff;
        max-width: 750px;
        margin: 0 auto 50px;
        font-weight: 400;
        text-shadow: 0 1px 5px rgba(0,0,0,0.2);
    }

    .hw-hero-btns {
        display: flex;
        gap: 20px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .hw-btn {
        padding: 18px 45px;
        border-radius: 12px;
        font-weight: 700;
        font-size: 1.1rem;
        text-decoration: none;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        display: inline-flex;
        align-items: center;
        gap: 10px;
    }

    .hw-btn-main {
        background: #4f46e5;
        color: #fff;
        box-shadow: 0 10px 30px rgba(79, 70, 229, 0.5);
        border: 2px solid rgba(255, 255, 255, 0.1);
    }

    .hw-btn-main:hover {
        background: #4338ca;
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(79, 70, 229, 0.6);
        border-color: rgba(255, 255, 255, 0.3);
    }

    .hw-btn-outline {
        background: rgba(255, 255, 255, 0.05);
        color: #fff;
        border: 1px solid rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(10px);
    }

    .hw-btn-outline:hover {
        background: rgba(255, 255, 255, 0.1);
        border-color: #fff;
    }

    /* 信任标识 */
    .hw-trust {
        padding: 60px 0;
        background: #0f172a;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .hw-trust-label {
        text-align: center;
        color: #64748b;
        font-size: 0.85rem;
        text-transform: uppercase;
        letter-spacing: 3px;
        margin-bottom: 40px;
    }

    .hw-logo-cloud {
        display: flex;
        justify-content: space-around;
        align-items: center;
        flex-wrap: wrap;
        gap: 40px;
        opacity: 0.5;
        filter: grayscale(1);
    }

    /* 核心功能 - 详情版 */
    .hw-section {
        padding: 140px 0;
        position: relative;
    }

    .hw-section-head {
        max-width: 800px;
        margin: 0 auto 80px;
        text-align: center;
    }

    .hw-section-head h2 {
        font-size: 3rem;
        font-weight: 800;
        margin-bottom: 20px;
        color: var(--hw-text-main);
    }

    .hw-section-head p {
        font-size: 1.25rem;
        color: var(--hw-text-muted);
    }

    .hw-feature-large {
        display: flex;
        gap: 60px;
        align-items: center;
        margin-bottom: 100px;
        max-width: 1100px;
        margin-left: auto;
        margin-right: auto;
    }

    .hw-feature-large:nth-of-type(even) {
        flex-direction: row-reverse;
    }

    .hw-feature-img {
        flex: 0 0 45%;
        background: #f8faff;
        border-radius: 40px;
        aspect-ratio: 4/3;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 20px 40px rgba(0,0,0,0.04);
        transition: transform 0.3s ease;
    }

    .hw-feature-img:hover {
        transform: translateY(-5px);
    }

    .hw-feature-img span {
        font-size: 6rem;
        filter: drop-shadow(0 10px 20px rgba(0,0,0,0.1));
    }

    .hw-feature-text {
        flex: 1;
        padding: 0 20px;
    }

    .hw-feature-text h3 {
        font-size: 2.2rem;
        color: #5c67ff;
        margin-bottom: 20px;
    }

    .hw-feature-text p {
        font-size: 1.1rem;
        color: #666;
        line-height: 1.8;
        margin-bottom: 25px;
    }

    .hw-feature-list {
        list-style: none;
        padding: 0;
        margin-top: 30px;
    }

    .hw-feature-list li {
        margin-bottom: 15px;
        display: flex;
        align-items: center;
        gap: 12px;
        font-weight: 500;
    }

    .hw-feature-list li i {
        color: var(--hw-accent);
    }

    /* 数据面板 */
    .hw-data-panel {
        background: #0f172a;
        border-radius: 40px;
        padding: 80px;
        color: #fff;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 40px;
        text-align: center;
        margin-top: -80px;
        position: relative;
        z-index: 3;
    }

    .hw-data-item h4 {
        font-size: 3.5rem;
        font-weight: 800;
        color: var(--hw-primary);
        margin-bottom: 10px;
    }

    .hw-data-item p {
        color: #94a3b8;
        font-size: 1rem;
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    /* 安全合规 */
    .hw-security {
        background: var(--hw-bg-light);
        padding: 100px 0;
    }

    .hw-security-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }

    .hw-security-card {
        background: #fff;
        padding: 40px;
        border-radius: 20px;
        border: 1px solid #e2e8f0;
        transition: all 0.3s;
    }

    .hw-security-card:hover {
        border-color: var(--hw-primary);
        transform: translateY(-5px);
    }

    /* FAQ */
    .hw-faq-accordion {
        max-width: 900px;
        margin: 0 auto;
    }

    .hw-faq-item {
        border: 1px solid #e2e8f0;
        border-radius: 15px;
        margin-bottom: 15px;
        overflow: hidden;
    }

    .hw-faq-q {
        padding: 25px 30px;
        background: #fff;
        font-weight: 700;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .hw-faq-a {
        padding: 0 30px 25px;
        color: var(--hw-text-muted);
        display: block;
    }

    /* 社交工具栏 - 截图2风格 */
    .hw-social-toolbar {
        margin-top: 60px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 100px;
        padding: 20px 40px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 20px;
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
        box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    }

    .hw-social-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        color: #fff;
        text-decoration: none;
        transition: all 0.3s ease;
        flex: 1;
    }

    .hw-social-item:hover {
        transform: translateY(-5px);
        color: var(--hw-primary);
    }

    .hw-social-item i {
        font-size: 1.5rem;
        opacity: 0.9;
    }

    .hw-social-item span {
        font-size: 0.75rem;
        font-weight: 500;
        opacity: 0.8;
    }

    /* 移动端优化 */
    @media (max-width: 768px) {
        .hw-section { padding: 80px 0; }
        .hw-feature-large { 
            flex-direction: column !important; 
            gap: 40px; 
            text-align: center;
        }
        .hw-feature-img { width: 100%; }
        .hw-feature-list li { justify-content: center; }
        .hw-data-panel { grid-template-columns: 1fr 1fr; padding: 40px 20px; gap: 30px; margin-top: 0; }
        .hw-security-grid { grid-template-columns: 1fr; }
        .hw-hero h1 { font-size: 3rem; }
        .hw-hero { height: auto; padding: 120px 20px; }

        .hw-social-toolbar {
            border-radius: 30px;
            padding: 20px;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px 10px;
        }
        .hw-social-item {
            flex: 0 0 22%;
        }
    }