/* Contact Page Specific Styles - Premium Minimalist Industrial Edition */

/* 1. Contact Banner */
.contact-banner {
    height: 420px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    color: #fff;
}

.contact-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.contact-banner .container {
    position: relative;
    z-index: 5;
}

.contact-banner__content h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.contact-banner__breadcrumb {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-banner__breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
    transition: color 0.2s ease;
}

.contact-banner__breadcrumb a:hover {
    color: #EF7721;
}

.bc-divider {
    color: rgba(255, 255, 255, 0.3);
}

.contact-banner__breadcrumb .active {
    color: #EF7721;
    font-weight: 500;
}


/* 2. Page Container */
.contact-page {
    background: #fcfcfc;
    padding-bottom: 90px;
}


/* 3. Section 1: Three Core Contact Cards */
.contact-cards-section {
    padding: 80px 0 50px 0;
}

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

.contact-core-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 30px 24px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-icon-wrap {
    width: 46px;
    height: 46px;
    background: #fdf2e9;
    color: #EF7721;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(239, 119, 33, 0.05);
    flex-shrink: 0;
}

.card-content-wrap {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.card-content-wrap h3 {
    font-size: 16px;
    font-weight: 700;
    color: #111827;
    margin: 0;
}

.card-content-wrap p {
    font-size: 15px;
    color: #4b5563;
    line-height: 1.5;
    margin: 0;
}

.card-content-wrap .phone-highlight {
    font-size: 18px;
    font-weight: 700;
    color: #EF7721;
}

/* 微悬浮效果（对标利勃海尔极致克制风） */
.contact-core-card:hover {
    transform: translateY(-4px);
    border-color: #EF7721;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.04);
}


/* 4. Section 2: Split Grid (Left Departments, Right Form) */
.contact-split-section {
    padding: 30px 0 80px 0;
}

.contact-split-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 80px;
    align-items: flex-start;
}

/* Left Column: Channels */
.channels-intro {
    font-size: 15.5px;
    line-height: 1.75;
    color: #4b5563;
    margin-bottom: 40px;
    text-align: justify;
}

.department-channels {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.channel-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 30px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.channel-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.channel-dot {
    width: 6px;
    height: 6px;
    background-color: #EF7721;
    border-radius: 50%;
    display: block;
}

.channel-header h3 {
    font-size: 17px;
    font-weight: 700;
    color: #111827;
    margin: 0;
}

.channel-desc {
    font-size: 14.5px;
    color: #6b7280;
    line-height: 1.65;
    margin: 0 0 20px 0;
    text-align: justify;
}

.channel-contacts {
    display: flex;
    gap: 30px;
    border-top: 1px solid #f3f4f6;
    padding-top: 15px;
    font-size: 14.5px;
    font-weight: 600;
    color: #1f2937;
}

.channel-card:hover {
    transform: translateX(6px);
    border-color: #EF7721;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.04);
}


/* Right Column: Exquisite Form Box */
.message-form-box {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 40px;
}

.form-head {
    margin-bottom: 30px;
    border-bottom: 1px solid #f3f4f6;
    padding-bottom: 20px;
}

.form-head h3 {
    font-size: 20px;
    font-weight: 700;
    color: #111827;
    margin: 0 0 8px 0;
}

.form-head p {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.5;
    margin: 0;
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13.5px;
    font-weight: 600;
    color: #374151;
}

.form-group input,
.form-group textarea {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    padding: 12px 16px;
    font-size: 14.5px;
    color: #111827;
    background: #fff;
    outline: none;
    transition: all 0.2s ease;
    font-family: inherit;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
}

/* 表单控件焦点微缩放/微描边高亮 */
.form-group input:focus,
.form-group textarea:focus {
    border-color: #EF7721;
    box-shadow: 0 0 0 3px rgba(239, 119, 33, 0.08);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
    line-height: 1.6;
}

/* 按钮提交框设计 */
.form-submit-wrap {
    margin-top: 10px;
}

.btn-submit-form {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 30px;
    background: #EF7721;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-submit-form svg {
    transition: transform 0.25s ease;
}

.btn-submit-form:hover {
    background: #d86515;
    box-shadow: 0 6px 15px rgba(239, 119, 33, 0.2);
    transform: translateY(-2px);
}

.btn-submit-form:hover svg {
    transform: translateX(4px);
}


/* 5. Responsive Adaptivity */
@media (max-width: 1200px) {
    .contact-split-grid {
        gap: 40px;
    }
}

@media (max-width: 992px) {
    .contact-banner {
        height: 300px;
    }
    .contact-banner__content h1 {
        font-size: 34px;
    }
    .contact-cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .contact-split-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

@media (max-width: 768px) {
    .contact-banner {
        height: 240px;
    }
    .contact-banner__content h1 {
        font-size: 28px;
    }
    .contact-cards-section {
        padding: 50px 0 30px 0;
    }
    .contact-split-section {
        padding: 20px 0 60px 0;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .message-form-box {
        padding: 30px 24px;
    }
    .channel-contacts {
        flex-direction: column;
        gap: 8px;
    }
}