/* ==========================================================================
   CONTACT 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;
}

/* ---------------- 联系区块 ---------------- */
.CONTACTUS {
    background: var(--c-bg);
    padding: 80px 0 90px;
}

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

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

.CONTACTUS .CONTACTUS_text {
    margin-top: 52px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 60px;
}

/* 左侧信息（无框，自然排版） */
.CONTACTUS .CONTACTUS_text .CONTACTUS_left {
    flex: 0 0 42%;
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_left h4 {
    color: var(--c-primary);
    font-size: 20px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--c-line);
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_left p {
    line-height: 2.4;
    color: var(--c-text-2);
    margin-top: 30px;
    font-size: 16px;
    padding-left: 18px;
    position: relative;
}

/* 信息行前的橙色小标记 */
.CONTACTUS .CONTACTUS_text .CONTACTUS_left p::before {
    content: "";
    position: absolute;
    left: 0;
    top: 13px;
    width: 6px;
    height: 6px;
    background: var(--c-accent);
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_left p b {
    color: var(--c-text);
}

/* 右侧表单（无框，与左栏自然对齐） */
.CONTACTUS .CONTACTUS_text .CONTACTUS_right {
    flex: 1;
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_right h4 {
    font-size: 20px;
    color: var(--c-primary);
    padding-bottom: 14px;
    border-bottom: 2px solid var(--c-line);
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_right form {
    margin-top: 20px;
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_right form > div {
    margin-bottom: 10px;
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_right div .names {
    color: var(--c-text);
    font-weight: 600;
    font-size: 14px;
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_right div input {
    width: 100%;
    height: 38px;
    padding: 0 14px;
    color: var(--c-text);
    background: var(--c-bg);
    border: 1px solid var(--c-line);
    border-radius: 2px;
    margin-top: 8px;
    transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_right div input:focus {
    border-color: var(--c-primary-light);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(36, 81, 138, .12);
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_right div b {
    color: #e5484d;
    margin-left: 4px;
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_right div textarea {
    resize: none;
    min-height: 66px;
    height: 113px;
    width: 100%;
    padding: 12px 14px;
    color: var(--c-text);
    background: var(--c-bg);
    border: 1px solid var(--c-line);
    border-radius: 2px;
    margin-top: 8px;
    transition: border-color .25s ease, box-shadow .25s ease, background .25s ease;
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_right div textarea:focus {
    border-color: var(--c-primary-light);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(36, 81, 138, .12);
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_right button {
    width: 100%;
    max-width: 260px;
    height: 46px;
    background: var(--c-primary);
    color: #fff;
    border-radius: 2px;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background .3s ease, transform .3s ease, box-shadow .3s ease;
}

.CONTACTUS .CONTACTUS_text .CONTACTUS_right button:hover {
    background: var(--c-accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(239, 130, 0, .3);
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 992px) {
    .CONTACTUS {
        padding: 56px 0 64px;
    }

    .CONTACTUS .CONTACTUS_text {
        flex-direction: column;
        gap: 36px;
    }

    .CONTACTUS .CONTACTUS_text .CONTACTUS_left {
        flex: none;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .CONTACTUS {
        padding: 44px 0 52px;
    }

    .CONTACTUS .CONTACTUS_text .CONTACTUS_right {
        padding: 24px 18px 28px;
    }

    .CONTACTUS .CONTACTUS_text .CONTACTUS_left p {
        font-size: 14px;
    }
}