* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: "Microsoft YaHei", sans-serif;
    }
    .container {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }
    .section {
        padding: 60px 0;
        background: #ffffff;
    }
    .section-title {
        font-size: 32px;
        color: #222;
        text-align: center;
        margin-bottom: 50px;
        font-weight: bold;
        position: relative;
    }
    .section-title::after {
        content: "";
        width: 60px;
        height: 4px;
        background: #24bb9d;
        display: block;
        margin: 12px auto 0;
        border-radius: 2px;
    }

    /* ========== 修复后 Banner 样式 ========== */
    .banner-section {
        width: 100%;
        position: relative;
    }
    .banner {
        width: 100%;
        min-height: 720px;
        height: 37.5vw;
        max-height: 1080px;
        position: relative;
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: flex-start;
        text-align: left;
    }
    .banner-bg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
    }
    .banner-bg img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
        display: block;
    }
    .banner-mask {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.4);
        z-index: 2;
    }
    .banner-content {
        position: relative;
        z-index: 3;
        width: 100%;
        max-width: 2560px;
        padding: 0 30px;
        margin-left: 25%;
    }
    .banner-title {
        font-size: clamp(32px, 3vw, 72px);
        font-weight: 700;
        margin-bottom: clamp(10px, 1.5vw, 30px);
        line-height: 1.2;
        white-space: nowrap;
        color: #fff !important;
    }
    .banner-subtitle {
        font-size: clamp(18px, 1.5vw, 32px);
        font-weight: 400;
        opacity: 0.95;
        line-height: 1.5;
        white-space: nowrap;
        color: #fff !important;
    }

    /* 模块2 */
    .pain-point {
        background: #fff;
    }
    .pain-row {
        display: flex;
        align-items: center;
        gap: 40px;
    }
    .pain-text {
        flex: 1;
    }
    .pain-text h2 {
        font-size: 32px;
        color: #222;
        margin-bottom: 24px;
        position: relative;
    }
    .pain-text h2::after {
        content: "";
        width: 60px;
        height: 4px;
        background: #24bb9d;
        display: block;
        margin: 12px 0 0 0;
        border-radius: 2px;
    }
    .pain-text p {
        font-size: 16px;
        line-height: 1.8;
        color: #555;
    }
    .pain-img {
        flex: 1;
    }
    .pain-img img {
        width: 100%;
        border-radius: 8px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    }

    /* 模块3 */
    .advantage {
        background: #ffffff;
    }
    .advantage-item {
        display: flex;
        align-items: center;
        gap: 60px;
        margin-bottom: 80px;
    }
    .advantage-item.reverse {
        flex-direction: row-reverse;
    }
    .advantage-item:last-child {
        margin-bottom: 0;
    }
    .adv-left {
        flex: 1;
    }
    .adv-left h3 {
        font-size: 24px;
        color: #222;
        margin-bottom: 22px;
        font-weight: bold;
    }
    .adv-left p {
        font-size: 16px;
        line-height: 1.9;
        color: #555;
    }
    .adv-right {
        flex: 1;
    }
    .adv-right img {
        width: 100%;
        height: 280px;
        object-fit: cover;
        border-radius: 10px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    }

    /* 模块4 */
    .application {
        background: #ffffff;
    }
    .swiper-box {
        position: relative;
        overflow: hidden;
        width: 100%;
        height: 280px;
    }
    .swiper-wrapper {
        display: flex;
        width: max-content;
        height: 100%;
        animation: slide 15s linear infinite;
    }
    .swiper-item {
        width: 280px;
        height: 100%;
        margin: 0 10px;
        border-radius: 8px;
        overflow: hidden;
    }
    .swiper-item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    @keyframes slide {
        0% { transform: translateX(0); }
        100% { transform: translateX(-50%); }
    }

    /* 模块5 */
    .faq {
        background: #ffffff;
    }
    .faq-item {
        background: white;
        margin-bottom: 15px;
        border-radius: 8px;
        overflow: hidden;
        border: 1px solid #eee;
    }
    .faq-question {
        padding: 20px;
        background: #fff;
        color: #222;
        font-weight: bold;
        cursor: pointer;
    }
    .faq-answer {
        padding: 20px;
        color: #555;
        line-height: 1.7;
        display: none;
        border-top: 1px solid #eee;
    }
    .faq-item.active .faq-answer {
        display: block;
    }

    /* 原来的 CTA 已替换为你要的版本 */
    .cta {
        background: #24bb9d;
        color: white;
        text-align: center;
        padding: 60px 0;
    }

    .cta h2 {
        color: white;
        font-size: 32px;
        margin-bottom: 30px;
        position: relative;
    }

    .cta h2::after {
        content: "";
        width: 60px;
        height: 4px;
        background: white;
        display: block;
        margin: 12px auto 0;
        border-radius: 2px;
    }

    .cta-buttons {
        display: flex;
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;
    }

    .cta-btn {
        padding: 14px 36px;
        background: white;
        color: #24bb9d;
        border-radius: 50px;
        font-size: 16px;
        font-weight: bold;
        border: none;
        cursor: pointer;
        transition: 0.3s;
    }

    .cta-btn:hover {
        background: #f0f0f0;
        transform: scale(1.05);
    }

    /* 移动端 */
    @media (max-width: 768px) {
        .banner {
            min-height: 500px;
            height: auto;
        }
        .banner-content {
            margin-left: 0;
            padding: 60px 20px;
        }
        .banner-title,
        .banner-subtitle {
            white-space: inherit;
        }
        .pain-row {
            flex-direction: column;
            gap: 25px;
        }
        .advantage-item,
        .advantage-item.reverse {
            flex-direction: column;
            gap: 25px;
            margin-bottom: 60px;
        }
        .adv-right img {
            height: 220px;
        }
        .section {
            padding: 45px 0;
        }
        .section-title {
            font-size: 24px;
        }
        .swiper-box {
            height: 220px;
        }
        .swiper-item {
            width: 240px;
        }
        .cta {
            padding: 50px 20px;
        }
        .cta h2 {
            font-size: 28px;
        }
    }

    @media (max-width: 480px) {
        .banner h1 {
            font-size: 28px;
        }
        .banner p {
            font-size: 16px;
        }
    }