/* ==========================================================================
   ABOUT US 页面（修改版）
   ========================================================================== */

/* ---------------- 页头 Banner ---------------- */
.banner {
    width: 100%;
    height: clamp(220px, 26vw, 420px);
    position: relative;
    background: var(--c-primary);
}

.banner .swiper {
    width: 100%;
    height: 100%;
}

.banner .swiper-slide {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #fff;
    overflow: hidden;
}

.banner .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.banner .swiper-slide::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 25, 47, .15) 0%, rgba(10, 25, 47, .35) 100%);
    pointer-events: none;
}

.banner .swiper-pagination-bullet-active {
    background: #fff !important;
    border-radius: 5px;
    width: 28px;
}

/* ---------------- 图文介绍（正常背景色） ---------------- */
.ABOUT {
    background: var(--c-bg);
    padding: 100px 0;
}

.ABOUT .ABOUT_w {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 56px;
}

.ABOUT .ABOUT_w .ABOUT_left {
    flex: 0 0 46%;
    max-width: 596px;
}

.ABOUT .ABOUT_w .ABOUT_left img {
    width: 100%;
    box-shadow: none;
}

.ABOUT .ABOUT_w .ABOUT_right {
    flex: 1;
}

.ABOUT .ABOUT_w .ABOUT_right h4 {
    font-family: "biaoti", 'Montserrat', sans-serif;
    font-size: clamp(24px, 3vw, 32px);
    color: var(--c-primary);
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 16px;
}

.ABOUT .ABOUT_w .ABOUT_right h4::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 56px;
    height: 4px;
    border-radius: 2px;
    background: var(--c-accent);
}

.ABOUT .ABOUT_w .ABOUT_right p {
    color: var(--c-text-2);
    line-height: 1.9;
    margin-top: 14px;
    font-size: 15px;
}

/* ---------------- OUR VALUES（本区块带背景图，无底色） ---------------- */
.OUR_VALUES {
    background: url(../img/bj2.jpg) no-repeat center center;
    background-size: cover;
    background-attachment: fixed;
    padding: 90px 0 100px;
    overflow: hidden;
}

.OUR_VALUES .OUR_VALUES_w h4 {
    font-family: "biaoti", 'Montserrat', sans-serif;
    text-align: center;
    font-size: clamp(24px, 3vw, 32px);
    color: var(--c-primary);
    position: relative;
    padding-bottom: 18px;
}

.OUR_VALUES .OUR_VALUES_w h4::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 56px;
    height: 4px;
    border-radius: 2px;
    background: var(--c-accent);
}

.OUR_VALUES .OUR_VALUES_w ul {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
    text-align: center;
    margin-top: 52px;
}

.OUR_VALUES .OUR_VALUES_w ul li {
    background: rgba(255, 255, 255, .5);
    border-radius: var(--radius);
    padding: 34px 22px;
    transition: transform .35s ease, box-shadow .35s ease;
}

.OUR_VALUES .OUR_VALUES_w ul li:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.OUR_VALUES .OUR_VALUES_w ul li button {
    background: transparent;
    border: 2px solid var(--c-primary);
    color: var(--c-primary);
    border-radius: 2px;
    padding: 10px 26px;
    font-size: clamp(17px, 1.6vw, 21px);
    font-family: "biaoti", 'Montserrat', sans-serif;
    transition: background .3s ease, color .3s ease;
}

.OUR_VALUES .OUR_VALUES_w ul li:hover button {
    background: var(--c-primary);
    color: #fff;
}

.OUR_VALUES .OUR_VALUES_w ul li p {
    margin-top: 20px;
    line-height: 1.8;
    color: var(--c-text-2);
    font-size: 14px;
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 992px) {
    .ABOUT,
    .OUR_VALUES {
        padding: 56px 0;
    }

    .ABOUT .ABOUT_w {
        flex-direction: column;
        gap: 32px;
    }

    .ABOUT .ABOUT_w .ABOUT_left {
        flex: none;
        width: 100%;
        max-width: 560px;
    }

    .OUR_VALUES .OUR_VALUES_w ul {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .ABOUT,
    .OUR_VALUES {
        padding: 44px 0;
    }

    .OUR_VALUES .OUR_VALUES_w ul {
        grid-template-columns: 1fr;
    }

    .ABOUT .ABOUT_w .ABOUT_right p {
        font-size: 14px;
    }
}