/* 关于我们页面样式 */

/* Banner 图片 */
.banner-section {
    width: 100%;
    position: relative;
    z-index: 0;
}

.banner-image {
    width: 100%;
    height: auto;
    display: block;
}

/* 公司介绍与产品特性区域 */
.about-intro-feature-section {
    padding: 80px 0;
    background: transparent;
    position: relative;
    overflow: visible;
    z-index: 10;
    /* margin-top 由 JavaScript 根据图片高度动态设置 */
}

.about-intro-feature-section::before {
    display: none;
}

.about-intro-feature-section .container-main {
    position: relative;
    z-index: 1;
}

.intro-feature-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 0;
    align-items: stretch;
    position: relative;
    max-width: 100%;
}

.intro-card {
    width: 890px;
    height: 650px;
    margin-left:2rem;
    background: #F7F7F7;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: grid;
    grid-template-columns: 620px 1fr;
    gap: 1rem;
    position: relative;
    z-index: 2;
    align-items: stretch;
}

.intro-card-left {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.intro-card-content {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.intro-card-right {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.brand-image {
    width: auto;
    height: auto;
/*    max-width: 60%;
    max-height: 400px;*/
    object-fit: contain;
}

.intro-text {
    color: #333;
    font-size: 15px;
    line-height: 1.8;
    text-align: justify;
    margin: 0;
}

.intro-text-company {
    font-size: 15px;
}

.intro-text-philosophy {
    font-size: 15px;
}

.intro-card-image {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
    margin-top: auto;
}

.intro-card-image img {
    width: 100%;
    height: auto;
    display: block;
}

.feature-box {
    background: #2E3594;
    color: white;
    padding: 50px 40px;
    padding-left: 955px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    position: absolute;
    z-index: 1;
    height: 395px;
    width: 1400px;
    top: 17rem;
    left: 0;
}

.feature-title {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 15px;
    color: white;
}

.feature-divider {
    width: 100%;
    height: 1px;
    background: white;
    margin-bottom: 25px;
    opacity: 0.8;
}

.feature-desc {
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 20px;
}

.feature-desc-method {
    margin-bottom: 0;
}

/* 垂直品牌文字 */
.brand-vertical-text {
    position: absolute;
    right: 15%;
    top: 50%;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-size: 140px;
    font-weight: bold;
    color: rgba(180, 180, 180, 0.25);
    z-index: 1;
    pointer-events: none;
    letter-spacing: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
}

/* 英雄区域 */
.about-hero-section {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.about-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    z-index: 1;
}

.about-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 2;
}

.about-hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
}

.about-hero-title-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.about-hero-icon {
    font-size: 80px;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1;
}

.about-hero-title {
    font-size: 48px;
    font-weight: bold;
    letter-spacing: 2px;
}

.about-hero-subtitle {
    font-size: 18px;
    font-weight: 300;
    letter-spacing: 3px;
    opacity: 0.9;
}

/* 公司介绍区域 */
.company-intro-section {
    padding: 80px 0;
    background: white;
    position: relative;
}

.company-intro-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
}

.company-intro-card {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.company-intro-text {
    color: #666;
    line-height: 1.8;
    font-size: 14px;
}

.company-intro-text p {
    margin-bottom: 15px;
    text-align: justify;
}

.company-intro-text p:last-child {
    margin-bottom: 0;
}

.company-intro-image {
    width: 100%;
    border-radius: 8px;
    overflow: hidden;
}

.company-intro-image img {
    width: 100%;
    height: auto;
    display: block;
}

.company-intro-blue-block {
    background: linear-gradient(135deg, #3d5afe 0%, #2d3fb8 100%);
    border-radius: 12px;
    padding: 40px;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 20px;
}

.blue-block-title {
    font-size: 24px;
    font-weight: bold;
    color: white;
    margin-bottom: 10px;
}

.blue-block-text {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 15px;
}

.blue-block-text:last-child {
    margin-bottom: 0;
}

/* 企业优势区域 */
.advantages-section {
    padding: 80px 0;
    background: white;
}

.section-title {
    font-size: 36px;
    font-weight: bold;
    text-align: center;
    color: #484848;
    margin-bottom: 1.5rem;
    /* border-bottom: 2px solid #484848 ; */
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 120px;
    height: 3px;
    background: #484848;
    margin: 15px auto 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.advantage-card {
    background: #f9f9f9;
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e5e5e5;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.advantage-icon {
    font-size: 48px;
    color: #667eea;
    margin-bottom: 20px;
}

.advantage-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.advantage-desc {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* 联系我们 - 地图区域 */
.contact-map-section {
    padding: 80px 0;
    background: white;
}

.contact-address {
    text-align: center;
    font-size: 20px;
    color: #484848;
    margin-bottom: 1.5rem;
}

.contact-map-wrapper {
    display: flex;
    flex-direction: column;
    gap: 64px;
}

.contact-map {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    width: 100%;
}

.map-image {
    width: 100%;
    height: auto;
    display: block;
}

.contact-info-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: flex-start;
}

.contact-info-card {
    background: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
}

.contact-info-title {
    font-size: 2rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #333;
    display: inline-block;
}
/* .contact-info-title::after {
    content: ' ';
    width: 2rem;
    border-bottom: 2px solid #333;
    display: inline-block;
} */
.contact-info-items {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 0px;
}

.contact-label {
    color: #666;
    font-weight: 500;
    min-width: 50px;
    font-size: 18px;
}

.contact-value {
    color: #333;
    flex: 1;
    word-break: break-word;
    font-size: 18px;
}

.qrcode-wrapper {
    display: flex;
    justify-content: flex-end;
    gap: 80px;
}

.qrcode-item {
    background: transparent;
    padding: 0;
    border-radius: 0;
    text-align: center;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    width: 200px;
    height: 200px;
}

.qrcode-image {
    width: 200px;
    height: 200px;
    display: block;
    border-radius: 4px;
    object-fit: cover;
}

.qrcode-label {
    font-size: 1.5rem;
    position: relative;
    color: #333;
    margin-top: 1rem;
    text-align: center;
    font-weight: bold;
    /* position: absolute;
    top: 50%;
    left: 50%; */
    /* transform: translate(-50%, -50%); */
    width: 100%;
    z-index: 10;
}

/* 在线留言区域 */
.message-section {
    padding: 80px 0;
    background: #f5f5f5;
}

.message-header {
    text-align: left;
}

.message-title {
    font-size: 2rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

.message-subtitle {
    font-size: 18px;
    margin: 0;
}

.message-form-wrapper {
    max-width: 100%;
    margin: 0 auto;
    background: transparent;
    padding: 20px 0;
    border-radius: 0;
}

.message-form {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.form-row-three {
    grid-template-columns: 1fr 1fr 1fr;
}

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

.form-group label {
    font-weight: 500;
    color: #333;
    font-size: 18px;
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: none;
    border-radius: 0;
    background: #e8e8e8;
    font-size: 18px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: #e0e0e0;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.submit-btn {
    padding: 14px 40px;
    background: #d0d0d0;
    color: #666;
    border: none;
    border-radius: 0;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    align-self: center;
    width: 100%;
}

.submit-btn:hover {
    background: #c0c0c0;
}

.submit-btn:active {
    background: #d0d0d0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .about-intro-feature-section {
        padding: 40px 0;
    }

    .intro-feature-wrapper {
        grid-template-columns: 1fr;
    }

    .intro-card {
        grid-template-columns: 1fr;
        padding: 30px 20px;
    }

    .intro-card-left {
        gap: 20px;
    }

    .feature-box {
        padding: 30px 20px;
    }

    .brand-vertical-text {
        display: none;
    }

    .about-hero-title {
        font-size: 36px;
    }

    .company-intro-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .company-intro-card {
        padding: 30px;
    }

    .company-intro-blue-block {
        padding: 30px;
    }

    .contact-map-wrapper {
        grid-template-columns: 1fr;
    }

    .contact-map {
        height: 300px;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .qrcode-wrapper {
        grid-template-columns: 1fr;
    }

    .message-form-wrapper {
        padding: 30px 20px;
    }
}