/* ============================================
   Our Core Products Module
   ============================================ */
.core-products {
    padding: 80px 0;
    background: #fff;
}

.w-1600 {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

.core-title {
    text-align: center;
    font-size: 4rem;
    font-weight: 700;
    color: #000;
    margin: 0 0 40px;
}

.core-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.core-card {
    display: block;
    background: #e8e9eb;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.core-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.core-img {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    margin-bottom: 10px;
}

.core-img img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.core-name {
    font-size: 24px;
    font-weight: 700;
    color: #000;
    margin: 0 0 12px;
}

.core-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.5;
    margin: 0;
}

.core-more {
    text-align: center;
}

.core-btn {
    display: inline-block;
    padding: 14px 40px;
    background: #0d3d85;
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.core-btn:hover {
    background: #0050cc;
    color: #fff;
}

/* Responsive */
@media (max-width: 992px) {
    .core-title {
        font-size: 32px;
        margin-bottom: 30px;
    }
    .core-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .core-img {
        height: 140px;
    }
    .core-name {
        font-size: 18px;
    }
}

@media (max-width: 576px) {
    .core-products {
        padding: 40px 0;
    }
    .core-title {
        font-size: 26px;
    }
    .core-grid {
        grid-template-columns: 1fr;
    }
    .core-btn {
        padding: 12px 30px;
        font-size: 16px;
    }
}

/* ============================================
   Industry Solutions Module
   ============================================ */
.industry-solutions {
    padding: 80px 0;
    background: #edf0ff;
}

.industry-title {
    text-align: center;
    font-size: 4rem;
    font-weight: 700;
    color: #000;
    margin: 0 0 16px;
}

.industry-subtitle {
    text-align: center;
    font-size: 24px;
    color: #666;
    margin: 0 0 40px;
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.industry-card {
    display: block;
    position: relative;
    border-radius: 5px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    aspect-ratio: 1/1;
    transition: transform 0.3s ease;
}

.industry-card:hover {
    transform: translateY(-4px);
}

.industry-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.industry-icon {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
}

.industry-icon img {
    width: 80px;
    height: auto;
    object-fit: contain;
}

.industry-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    text-align: center;
    padding: 14px 10px;
    font-size: 24px;
    font-weight: 400;
    z-index: 2;
}

.industry-more {
    text-align: center;
}

.industry-btn {
    display: inline-block;
    padding: 14px 40px;
    background: #1a3a6b;
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.industry-btn:hover {
    background: #15305a;
    color: #fff;
}

@media (max-width: 992px) {
    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .industry-title {
        font-size: 32px;
    }
}

@media (max-width: 576px) {
    .industry-solutions {
        padding: 40px 0;
    }
    .industry-title {
        font-size: 26px;
    }
    .industry-subtitle {
        font-size: 15px;
    }
    .industry-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .industry-name {
        font-size: 15px;
        padding: 10px 6px;
    }
    .industry-icon {
        top: 0;
        left: 0;
    }
    .industry-icon img {
        width: 56px;
    }
    .industry-btn {
        padding: 12px 30px;
        font-size: 16px;
    }
}

/* ============================================
   Why Choose Us Module
   ============================================ */
.why-us {
    padding: 80px 0;
    background: #fff;
}

.why-us-title {
    text-align: center;
    font-size: 4rem;
    font-weight: 700;
    color: #000;
    margin: 0 0 40px;
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.why-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 12px;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    text-align: left;
    transition: all 0.3s ease;
}

.why-card:hover {
    border-color: #ddd;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.why-icon-circle {
    flex-shrink: 0;
    width: 72px;
    height: 72px;
    background: #f4ede7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-icon-circle img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.why-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #000;
    margin: 0 0 10px;
    text-align: left;
}

.why-content p {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 992px) {
    .why-us-title {
        font-size: 32px;
    }
    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media (max-width: 576px) {
    .why-us {
        padding: 40px 0;
    }
    .why-us-title {
        font-size: 26px;
        margin-bottom: 24px;
    }
    .why-card {
        padding: 24px 20px;
        gap: 16px;
    }
    .why-icon-circle {
        width: 56px;
        height: 56px;
    }
    .why-icon-circle img {
        width: 28px;
        height: 28px;
    }
    .why-content h3 {
        font-size: 17px;
    }
    .why-content p {
        font-size: 14px;
    }
}

/* ============================================
   About Us Module
   ============================================ */
.about-us {
    position: relative;
    padding: 200px 0;
    padding-bottom: 150px;
    overflow: hidden;
    background: #0d3d85;
}

.about-us-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-position: top center;
}

.about-us-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, #0d3d85 0%, rgba(13, 61, 133, 1) 55%, rgba(13, 61, 133, 0.1) 100%);
}

.about-us-content {
    position: relative;
    z-index: 2;
    max-width: 1600px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
}

.about-us-title {
    font-size: 4rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 30px;
}

.about-us-text {
    font-size: 20px;
    color: #fff;
    line-height: 1.8;
    margin: 0 0 40px;
}

.about-us-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.about-btn-outline {
    display: inline-block;
    padding: 10px 70px;
    border: 2px solid #fff;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.about-btn-outline:hover {
    background: #fff;
    color: #0d3d85;
}

.about-btn-fill {
    display: inline-block;
    padding: 10px 40px;
    background: #fff;
    color: #0d3d85;
    font-size: 16px;
    font-weight: 600;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.about-btn-fill:hover {
    background: #f0f0f0;
}

@media (max-width: 992px) {
    .about-us {
        padding: 80px 0;
    }
    .about-us-title {
        font-size: 36px;
    }
    .about-us-text {
        font-size: 16px;
    }
}

@media (max-width: 576px) {
    .about-us {
        padding: 60px 0;
    }
    .about-us-title {
        font-size: 28px;
        margin-bottom: 20px;
    }
    .about-us-text {
        font-size: 15px;
        line-height: 1.7;
        margin-bottom: 30px;
    }
    .about-us-btns {
        flex-direction: column;
        align-items: center;
    }
    .about-btn-outline, .about-btn-fill {
        padding: 12px 30px;
        font-size: 15px;
    }
}

/* ============================================
   Partners Module
   ============================================ */
.partners {
    padding: 120px 0;
    background: #f0f2f8;
}

.partners-title {
    text-align: center;
    font-size: 4rem;
    font-weight: 700;
    color: #000;
    margin: 0 0 16px;
}

.partners-subtitle {
    text-align: center;
    font-size: 24px;
    color: #666;
    margin: 0 0 60px;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.partner-card {
    background: #fff;
    border-radius: 8px;
    padding: 24px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.partner-card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.partner-card img {
    max-width: 100%;
    max-height: 60px;
    object-fit: contain;
}

@media (max-width: 992px) {
    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    .partners-title {
        font-size: 32px;
    }
}

@media (max-width: 576px) {
    .partners {
        padding: 40px 0;
    }
    .partners-title {
        font-size: 26px;
    }
    .partners-subtitle {
        font-size: 15px;
    }
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .partner-card {
        padding: 16px 10px;
    }
    .partner-card img {
        max-height: 40px;
    }
}

/* ============================================
   Inquiry Module
   ============================================ */
.inquiry-section {
    position: relative;
    padding: 200px 0;
    overflow: hidden;
    background: #0d3d85;
}

.inquiry-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.inquiry-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 61, 133, 0.88);
}

.inquiry-container {
    position: relative;
    z-index: 2;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.inquiry-copy {
    flex: 1;
    color: #fff;
}

.inquiry-copy-title {
    font-size: 4rem;
    font-weight: 700;
    margin: 0 0 20px;
    line-height: 1.2;
}

.inquiry-copy-desc {
    font-size: 24px;
    line-height: 1.7;
    margin: 0 0 30px;
    color: rgba(255,255,255,0.9);
}

.inquiry-contact {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.inquiry-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    text-decoration: none;
}
.inquiry-contact-item:hover {
    color: #fff;
    text-decoration: none;
}

.inquiry-contact-icon {
    width: 40px;
    height: 40px;
    background: #fa6a2e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #fff;
    font-size: 16px;
}

.inquiry-form-card {
    flex-shrink: 0;
    width: 780px;
    padding: 0;
}

.inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.inquiry-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.inquiry-field {
    width: 100%;
    height: 54px;
    padding: 0 16px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    box-sizing: border-box;
    background: #fff;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.inquiry-textarea {
    width: 100%;
    min-height: 120px;
    padding: 16px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    box-sizing: border-box;
    resize: vertical;
    background: #fff;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.inquiry-field:focus,
.inquiry-textarea:focus {
    border-color: #fa6a2e;
    box-shadow: 0 0 0 3px rgba(250,106,46,0.14);
}

.inquiry-submit {
    width: 100%;
    height: 56px;
    border: 0;
    border-radius: 8px;
    /* 第六十四项：#fa6a2e 白字对比度仅 2.9:1 不达 AA，降为 #c24410（≈5.1:1） */
    background: #c24410;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.inquiry-submit:hover {
    background: #a8380d;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(194,68,16,0.3);
}

@media (max-width: 992px) {
    .inquiry-container {
        flex-direction: column;
        gap: 40px;
    }
    .inquiry-form-card {
        width: 100%;
        max-width: 680px;
    }
    .inquiry-copy-title {
        font-size: 36px;
    }
}

@media (max-width: 576px) {
    .inquiry-section {
        padding: 60px 0;
    }
    .inquiry-copy-title {
        font-size: 28px;
    }
    .inquiry-copy-desc {
        font-size: 15px;
    }
    .inquiry-form-card {
        padding: 0px;
    }
    .inquiry-form-row {
        grid-template-columns: 1fr;
    }
}