/* 基础样式 */
:root {
    --header-height: 80px;
    --transition-speed: 0.3s;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 头部导航样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.header-inner {
    max-width: 1440px;
    height: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    /* 减小logo和菜单的间距 */
}

.logo-section {
    flex-shrink: 0;
}

.logo-img {
    height: 20px;
}

.nav-menu {
    display: flex;
    gap: 20px;
    /* 减小菜单项间距 */
    flex-wrap: wrap;
    /* 允许菜单项换行 */
    align-items: center;
}

.nav-item {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    padding: 5px 10px;
    white-space: nowrap;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 1000;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #fff;
    transition: all 0.3s ease;
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 999;
    transition: right 0.3s ease;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-logo {
    height: 30px;
}

.mobile-close-btn {
    color: #fff;
    font-size: 30px;
    cursor: pointer;
    padding: 10px;
}

.mobile-nav {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mobile-nav-item {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    padding: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.mobile-nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .header-inner {
        padding: 0 15px;
        gap: 20px;
    }

    .nav-menu {
        display: none;
        /* 隐藏原导航 */
    }

    .mobile-menu-btn {
        display: flex;
        /* 显示移动端菜单按钮 */
    }

    .header-inner {
        justify-content: space-between;
    }

}


@media (max-width: 480px) {
    .header {
        min-height: var(--header-height);
    }

    .header-inner {
        flex-wrap: wrap;
        padding: 10px;
    }

}

@media (max-width: 890px) {

    /* 导航相关 */
    .nav-menu {
        display: none;
        /* 隐藏原导航 */
    }

    .mobile-menu-btn {
        display: flex;
        /* 显示移动端菜单按钮 */
    }

    .header-inner {
        justify-content: space-between;
    }

}

/* 菜单打开时的按钮样式 */
.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* 基础样式 */
.contact-page {
    padding-top: var(--header-height);
    background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
}

/* 联系信息区域 */
.contact-info {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.contact-info__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.contact-info__title {
    text-align: center;
    font-size: 36px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 60px;
    position: relative;
}

.contact-info__title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: #00928c;
    border-radius: 2px;
}

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

/* 信息卡片样式 */
.info-card {
    background: #FFFFFF;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-10px);
}

.info-card__icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #00928c 0%, #025c59 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-card__icon svg {
    width: 30px;
    height: 30px;
    color: #FFFFFF;
}

.info-card__title {
    font-size: 20px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 15px;
}

.info-card__text {
    font-size: 16px;
    color: #64748B;
    line-height: 1.6;
    margin-bottom: 10px;
}

/* 留言表单区域 */
.contact-form {
    padding: 80px 0;
    background: #FFFFFF;
}

.contact-form__container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.contact-form__title {
    text-align: center;
    font-size: 32px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 40px;
}

.form {
    background: #FFFFFF;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.form__group {
    margin-bottom: 25px;
}

.form__label {
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: #1E293B;
    margin-bottom: 10px;
}

.form__radio-group {
    display: flex;
    gap: 20px;
}

.form__radio {
    display: flex;
    align-items: center;
    flex-direction: column;
    margin-right: 10px;
    cursor: pointer;
}


.form__input,
.form__textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #E2E8F0;
    border-radius: 10px;
    font-size: 16px;
    color: #1E293B;
    transition: border-color 0.3s ease;
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: #00928c;
}

.form__submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #00928c 0%, #025c59 100%);
    border: none;
    border-radius: 10px;
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.form__submit:hover {
    transform: translateY(-2px);
}

/* 地图区域 */
.contact-map {
    padding: 80px 0;
    background: #F8FAFC;
}

.contact-map__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.contact-map__title {
    text-align: center;
    font-size: 32px;
    font-weight: 600;
    color: #1E293B;
    margin-bottom: 40px;
}

.contact-map__content {
    height: 400px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .contact-info__grid {
        grid-template-columns: 1fr;
    }

    .contact-info__title,
    .contact-form__title,
    .contact-map__title {
        font-size: 28px;
    }

    .form {
        padding: 20px;
    }

    .form__radio-group {
        flex-direction: column;
        gap: 10px;
    }

    .contact-map__content {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .contact-info,
    .contact-form,
    .contact-map {
        padding: 40px 0;
    }

    .info-card {
        padding: 20px;
    }

    .info-card__icon {
        width: 50px;
        height: 50px;
    }

    .info-card__title {
        font-size: 18px;
    }

    .info-card__text {
        font-size: 14px;
    }
}