/* ========== Contact 专用样式（optimize版） ========== */

/* 字体统一：与导航栏 / lists_single.css 保持一致（排除 FA 图标） */
.contact-layout,
.contact-layout *:not(.fa):not(.fas):not(.far):not(.fab) {
    font-family: -apple-system, BlinkMacSystemFont, 'Roboto', 'Noto Sans SC', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif !important;
}

.contact-layout {
    margin-top: 30px;
}

/* ========== section_title 通用 ========== */
.contact-layout .section_title {
    font-size: 20px;
    font-weight: 600;
    color: var(--tech-blue, #2E86AB);
    margin-bottom: 18px;
    padding-left: 14px;
    border-left: 4px solid var(--tech-blue, #2E86AB);
    line-height: 1.3;
}

/* ========== 联系表单 ========== */
.contact_m {
    background: #f7f9fc;
    border-radius: 8px;
    padding: 32px 36px;
    margin-bottom: 40px;
    border: 1px solid #eef1f5;
}

.contact-form-row {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-form-cols {
    display: flex;
    gap: 16px;
}

.contact-form-col {
    flex: 1 1 50%;
    position: relative;   /* 为图标绝对定位 */
}

.contact-form-full {
    width: 100%;
}

.contact-form-col.contact-form-textarea,
.contact-form-full.contact-form-textarea {
    position: relative;
}

/* 输入框左侧图标（邮箱 / 电话） */
.contact-form-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--tech-blue, #2E86AB);
    z-index: 1;
    pointer-events: none;   /* 不挡点击 input */
}

/* 留言 textarea 的图标（左上角对齐 placeholder） */
.contact-form-icon.contact-form-icon-top {
    top: 14px;
    transform: none;
}

.contact-form-tip {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
    margin: 4px 0 0;
}

.contact_m .input_1,
.contact_m .input_2 {
    width: 100%;
    border: 1px solid #dde1e8;
    border-radius: 6px;
    padding: 14px 18px 14px 42px;
    font-size: 14px;
    color: #333;
    background: #fff;
    transition: border-color 0.25s, box-shadow 0.25s;
    box-sizing: border-box;
    font-family: inherit;
}

.contact_m .input_1:focus,
.contact_m .input_2:focus {
    outline: none;
    border-color: var(--tech-blue, #2E86AB);
    box-shadow: 0 0 0 3px rgba(46,134,171,0.12);
}

.contact_m .input_1 {
    height: 48px;
}

.contact_m .input_2 {
    height: 140px;
    resize: vertical;
    line-height: 1.6;
}

.contact_m .btn_1 {
    display: inline-block;
    padding: 14px 40px;
    background: var(--tech-blue, #2E86AB);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.contact_m .btn_1:hover {
    background: #1e6f8f;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46,134,171,0.35);
}

/* ========== 三卡片区域 ========== */
.com_ul {
    margin-bottom: 40px;
}

.contact-content-desc {
    margin-bottom: 24px;
    line-height: 1.8;
    color: #555;
    font-size: 15px;
}

.contact-content-desc p {
    margin-bottom: 10px;
}

.contact-cards {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 22px;
}

.contact-card-item {
    flex: 1 1 calc(33.3333% - 22px);
    min-width: 0;
}

.contact-card-inner {
    background: #fff;
    border: 1px solid #eef0f4;
    border-radius: 6px;
    padding: 38px 28px 32px;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: all 0.35s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}

.contact-card-inner:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 36px rgba(0,0,0,0.12);
    border-color: var(--tech-blue, #2E86AB);
}

/* 图标 */
.contact-card-icon {
    width: 78px;
    height: 78px;
    border-radius: 50%;
    background: var(--tech-blue, #2E86AB);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin: 0 auto 20px;
    transition: all 0.35s ease;
    flex-shrink: 0;
}

/* 标题 */
.contact-card-inner h4 {
    color: #333;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    margin: 6px 0;
    word-break: break-word;
    transition: color 0.35s ease;
}

.contact-card-inner h4 a {
    color: var(--tech-blue, #2E86AB);
    text-decoration: none;
    transition: color 0.35s ease;
}
.contact-card-inner h4 a:hover {
    text-decoration: underline;
}

/* 描述 */
.contact-card-inner p {
    font-size: 13px;
    color: #888;
    line-height: 1.6;
    margin: 4px 0 22px;
    transition: color 0.35s ease;
}

/* 按钮 */
.contact-card-inner a {
    text-decoration: none;
}
.contact-card-inner em {
    font-style: normal;
    font-weight: 600;
    color: var(--tech-blue, #2E86AB);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 26px;
    border-radius: 4px;
    margin-top: auto;
    transition: all 0.35s ease;
    line-height: 1;
}
.contact-card-inner em i {
    margin-left: 2px;
    font-size: 16px;
    transition: transform 0.3s;
}
.contact-card-inner:hover em i {
    transform: translateX(3px);
}

/* ========== 所有卡片统一 hover 变色：白色→蓝色渐变 ========== */
.contact-card-inner:hover {
    background: linear-gradient(135deg, #2E86AB 0%, #3ba1c8 100%);
    border-color: transparent;
}
.contact-card-inner:hover .contact-card-icon {
    background: rgba(255,255,255,0.22);
    color: #fff;
    transform: scale(1.08);
}
.contact-card-inner:hover h4 {
    color: #fff;
}
.contact-card-inner:hover h4 a {
    color: #fff;
}
.contact-card-inner:hover p {
    color: rgba(255,255,255,0.85);
}
.contact-card-inner:hover em {
    background: #fff;
    color: var(--tech-blue, #2E86AB);
}

/* ========== 服务说明 content2 ========== */
.con_infop {
    background: #fff;
    border: 1px solid #eef0f4;
    border-radius: 6px;
    padding: 28px 32px;
    margin-bottom: 40px;
    line-height: 1.8;
    color: #555;
    font-size: 15px;
}
.con_infop p {
    margin-bottom: 10px;
}

/* ========== 地图区域 ========== */
.contact_oth {
    margin-bottom: 30px;
}
.con_map {
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.con_map iframe {
    display: block;
}

/* ========== 响应式：992px以下（平板） ========== */
@media (max-width: 992px) {
    .contact_m {
        padding: 26px 28px;
    }
    .contact-cards {
        flex-wrap: wrap;
        gap: 18px;
    }
    .contact-card-item {
        flex: 1 1 calc(50% - 18px);
    }
    .contact-card-item.card-email {
        flex: 1 1 100%;
    }
}

/* ========== 响应式：768px以下（手机） ========== */
@media (max-width: 768px) {
    .contact-layout {
        margin-top: 20px;
    }
    .contact-layout .section_title {
        font-size: 17px;
        padding-left: 12px;
        border-left-width: 3px;
        margin-bottom: 14px;
    }

    /* 表单 */
    .contact_m {
        padding: 22px 18px;
        border-radius: 6px;
        margin-bottom: 28px;
    }
    .contact-form-cols {
        flex-direction: column;
        gap: 14px;
    }
    .contact-form-col {
        flex: 1 1 100%;
    }
    .contact_m .input_1 {
        height: 44px;
        padding: 12px 14px 12px 36px;
        font-size: 14px;
    }
    .contact_m .input_2 {
        height: 110px;
        padding: 12px 14px 12px 36px;
        font-size: 14px;
    }
    .contact-form-icon {
        left: 12px;
        font-size: 15px;
    }
    .contact-form-icon.contact-form-icon-top {
        top: 12px;
    }
    .contact_m .btn_1 {
        width: 100%;
        padding: 12px 24px;
        font-size: 15px;
    }

    /* 三卡片 */
    .com_ul {
        margin-bottom: 28px;
    }
    .contact-cards {
        flex-direction: column;
        gap: 14px;
    }
    .contact-card-item,
    .contact-card-item.card-email {
        flex: 1 1 100%;
        max-width: 100%;
    }
    .contact-card-inner {
        padding: 28px 22px 24px;
    }
    .contact-card-icon {
        width: 64px;
        height: 64px;
        font-size: 26px;
    }
    .contact-card-item.card-phone .contact-card-inner h4 {
        font-size: 18px;
    }
    .contact-card-inner h4 {
        font-size: 16px;
    }
    .contact-card-inner em {
        padding: 10px 22px;
        font-size: 13px;
    }

    /* content2 */
    .con_infop {
        padding: 22px 18px;
        margin-bottom: 28px;
        font-size: 14px;
    }

    /* 地图 */
    .contact_oth {
        margin-bottom: 20px;
    }
    .con_map iframe {
        height: 320px;
    }
}

/* ========== 响应式：480px以下（小屏手机） ========== */
@media (max-width: 480px) {
    .contact-layout .section_title {
        font-size: 16px;
    }
    .contact_m {
        padding: 18px 14px;
    }
    .contact-form-tip {
        font-size: 13px;
    }
    .contact_m .input_1,
    .contact_m .input_2 {
        font-size: 13px;
        padding: 11px 12px 11px 32px;
    }
    .contact-form-icon {
        left: 10px;
        font-size: 14px;
    }
    .contact-form-icon.contact-form-icon-top {
        top: 10px;
    }
    .contact-card-inner {
        padding: 24px 16px 20px;
    }
    .contact-card-icon {
        width: 56px;
        height: 56px;
        font-size: 22px;
    }
    .contact-card-item.card-phone .contact-card-inner h4 {
        font-size: 17px;
    }
    .contact-card-inner h4 {
        font-size: 15px;
    }
    .contact-card-inner p {
        font-size: 12px;
        margin-bottom: 18px;
    }
    .contact-card-inner em {
        padding: 9px 18px;
        font-size: 12px;
    }
    .con_infop {
        padding: 18px 14px;
        font-size: 13px;
    }
    .con_map iframe {
        height: 260px;
    }
}