/* ==========================================================================
   contact.css — 联系我们页专用样式
   朗致科技 | nazve.com
   设计语言与 system.css / solution.css 统一
   ========================================================================== */

/* ---- 局部变量 ---- */
:root {
    --cnt-primary: #0284c7;
    --cnt-primary-dark: #0369a1;
    --cnt-primary-light: #0ea5e9;
    --cnt-gray-50: #f8fafc;
    --cnt-gray-100: #f1f5f9;
    --cnt-gray-200: #e2e8f0;
    --cnt-gray-300: #cbd5e1;
    --cnt-gray-600: #64748b;
    --cnt-gray-700: #334155;
    --cnt-gray-800: #1e293b;
    --cnt-gray-900: #0f172a;
    --cnt-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --cnt-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --cnt-shadow-lg: 0 12px 30px rgba(2,132,199,0.1), 0 4px 12px rgba(0,0,0,0.06);
    --cnt-radius: 12px;
    --cnt-radius-sm: 8px;
    --cnt-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================
   1. Banner
   ============================ */
.cnt-hero {
    position: relative;
    height: 320px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cnt-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        rgba(15, 23, 42, 0.35) 0%,
        rgba(15, 23, 42, 0.55) 100%);
    pointer-events: none;
}
.cnt-hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
}
.cnt-hero__title {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: 0.03em;
    margin: 0;
    text-shadow: 0 2px 16px rgba(0,0,0,0.35);
}

/* ============================
   2. 面包屑
   ============================ */
.cnt-breadcrumb {
    background: var(--cnt-gray-50);
    border-bottom: 1px dashed var(--cnt-gray-200);
}
.cnt-breadcrumb__inner {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    height: 52px;
    font-size: 0.875rem;
    color: var(--cnt-gray-600);
}
.cnt-breadcrumb__inner a {
    color: var(--cnt-gray-600);
    text-decoration: none;
    transition: color var(--cnt-transition);
}
.cnt-breadcrumb__inner a:hover {
    color: var(--cnt-primary);
}
.cnt-breadcrumb__sep {
    color: #cbd5e1;
    user-select: none;
}

/* ============================
   3. 主内容区
   ============================ */
.cnt-main {
    padding: 4rem 0 5rem;
    background: var(--cnt-gray-50);
}

/* ---- 区域标题 ---- */
.cnt-section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}
.cnt-section-header__title {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    font-weight: 800;
    color: var(--cnt-gray-800);
    margin: 0 0 0.5rem;
}
.cnt-section-header__desc {
    font-size: 0.95rem;
    color: var(--cnt-gray-600);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.65;
}

/* ---- 地图 ---- */
.cnt-map {
    margin-bottom: 3rem;
    border-radius: var(--cnt-radius);
    overflow: hidden;
    box-shadow: var(--cnt-shadow-md);
}
.cnt-map img {
    display: block;
    width: 100%;
}

/* ---- 三栏 Grid ---- */
.cnt-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 332px;
    gap: 1.5rem;
    align-items: start;
}

/* ---- 卡片底板 ---- */
.cnt-card {
    background: #fff;
    border-radius: var(--cnt-radius);
    padding: 2rem 1.75rem;
    box-shadow: var(--cnt-shadow-sm);
    border: 1px solid transparent;
    transition: box-shadow var(--cnt-transition);
}
.cnt-card:hover {
    box-shadow: var(--cnt-shadow-lg);
}
.cnt-card__head {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--cnt-gray-800);
    margin: 0 0 0.6rem;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--cnt-primary);
    display: flex;
    align-items: center;
    gap: 0.45rem;
}
.cnt-card__head i {
    color: var(--cnt-primary);
    font-size: 1rem;
}
.cnt-card__intro {
    font-size: 0.875rem;
    line-height: 1.65;
    color: var(--cnt-gray-600);
    margin: 0 0 1.25rem;
}

/* ---- 联系方式信息列表 ---- */
.cnt-info-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}
.cnt-info-list li {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    padding: 0.7rem;
    border-radius: var(--cnt-radius-sm);
    background: var(--cnt-gray-50);
    transition: background var(--cnt-transition);
}
.cnt-info-list li:hover {
    background: #e0f2fe;
}
.cnt-info-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--cnt-primary-light), var(--cnt-primary));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    box-shadow: 0 2px 8px rgba(2, 132, 199, 0.2);
}
.cnt-info-body {
    flex: 1;
    min-width: 0;
}
.cnt-info-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cnt-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 2px;
}
.cnt-info-value {
    font-size: 0.875rem;
    color: var(--cnt-gray-700);
    line-height: 1.55;
    word-break: break-all;
}

/* ---- 留言表单 ---- */
.cnt-form-group {
    margin-bottom: 0.9rem;
}
.cnt-form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cnt-gray-600);
    margin-bottom: 0.35rem;
}
.cnt-form-group input,
.cnt-form-group textarea {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1.5px solid var(--cnt-gray-200);
    border-radius: var(--cnt-radius-sm);
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--cnt-gray-700);
    background: #fff;
    transition: border-color var(--cnt-transition),
                box-shadow var(--cnt-transition);
    outline: none;
    box-sizing: border-box;
}
.cnt-form-group input::placeholder,
.cnt-form-group textarea::placeholder {
    color: #94a3b8;
}
.cnt-form-group input:focus,
.cnt-form-group textarea:focus {
    border-color: var(--cnt-primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
}
.cnt-form-group textarea {
    resize: vertical;
    min-height: 140px;
}
.cnt-form-submit {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 2.25rem;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--cnt-primary-light), var(--cnt-primary));
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.25);
    transition: transform var(--cnt-transition),
                box-shadow var(--cnt-transition);
}
.cnt-form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(2, 132, 199, 0.35);
}
.cnt-form-submit:active {
    transform: translateY(0);
}

/* ---- 公众号卡片 ---- */
.cnt-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.cnt-qr__box {
    position: relative;
    width: 180px;
    height: 180px;
    margin: 0.5rem auto 0.75rem;
    background: var(--cnt-gray-50);
    border-radius: var(--cnt-radius);
    padding: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--cnt-gray-200);
    transition: border-color var(--cnt-transition);
}
.cnt-card:hover .cnt-qr__box {
    border-color: var(--cnt-primary-light);
}
.cnt-qr__box img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    border-radius: 4px;
}
.cnt-qr__hint {
    font-size: 0.8rem;
    color: var(--cnt-gray-600);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}
.cnt-qr__hint i {
    color: var(--cnt-primary);
    font-size: 1rem;
}

/* ============================
   4. 响应式
   ============================ */
@media (max-width: 1024px) {
    .cnt-grid {
        grid-template-columns: 1fr 1fr;
    }
    .cnt-grid > *:last-child {
        grid-column: 1 / -1;
        justify-self: center;
        max-width: 400px;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .cnt-hero {
        height: 220px;
    }
    .cnt-grid {
        grid-template-columns: 1fr;
    }
    .cnt-grid > *:last-child {
        max-width: 100%;
    }
    .cnt-card {
        padding: 1.5rem 1.25rem;
    }
    .cnt-main {
        padding: 2.5rem 0 3rem;
    }
    .cnt-form-submit {
        width: 100%;
        justify-content: center;
    }
}