/* ============================================
   联系我们页面样式表
   命名规范：BEM (Block Element Modifier)
   ============================================ */

/* CSS变量定义 - 与主站保持一致 */
:root {
    /* 主色调 - 橙色渐变 */
    --color-primary: #F5A623;
    --color-primary-dark: #E8941F;
    --color-primary-light: #FFB84D;
    --color-secondary: #FF8C42;

    /* 背景色 */
    --color-bg-1: #F5A623;
    --color-bg-2: #E85D04;
    --color-bg-3: #F48C06;

    /* 文字颜色 */
    --color-text-white: #FFFFFF;
    --color-text-light: rgba(255, 255, 255, 0.9);
    --color-text-muted: rgba(255, 255, 255, 0.7);
    --color-text-dark: #333333;
    --color-text-gray: #666666;
    --color-text-light-gray: #999999;

    /* 表单颜色 */
    --color-border: #e0e0e0;
    --color-border-focus: #F5A623;
    --color-error: #e74c3c;
    --color-success: #27ae60;
    --color-bg-light: #f8f9fa;

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* 字体 */
    --font-family-primary: 'verdana', sans-serif;

    /* 过渡动画 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* 断点 */
    --breakpoint-mobile: 768px;
    --breakpoint-tablet: 1024px;
}

/* ============================================
   页面容器和布局
   ============================================ */
.lianxi {
    /* max-width: 1600px; */
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    padding-bottom: 0px;
    font-family: var(--font-family-primary);
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    min-height: calc(100vh - 200px);
}

/* 页面标题 */
.lianxi__header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.lianxi__title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.lianxi__title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

.lianxi__company {
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-top: var(--spacing-md);
}

/* ============================================
   页面主要内容区 - 左右分栏
   ============================================ */
.lianxi__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

/* 左侧区域 */
.lianxi__left {
    display: flex;
    flex-direction: column;
    /* gap: var(--spacing-xl); */
}

/* ============================================
   联系信息区域
   ============================================ */
.lianxi__info {
    /* background: #ffffff; */
    padding: var(--spacing-xl);
    /* border-radius: 16px; */
    /* box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06); */
}

.lianxi__info-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
}

.lianxi__contact-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.lianxi__contact-item {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid #f0f0f0;
}

.lianxi__contact-item:last-child {
    border-bottom: none;
}

.lianxi__contact-label {
    font-size: 0.95rem;
    color: var(--color-text-light-gray);
    font-weight: 500;
    min-width: 100px;
    flex-shrink: 0;
}

.lianxi__contact-value {
    font-size: 1rem;
    color: var(--color-text-dark);
    font-weight: 600;
}

.lianxi__contact-value--highlight {
    color: var(--color-primary);
    font-size: 1.1rem;
}

/* ============================================
   二维码区域
   ============================================ */
.lianxi__qrcode-section {
    /* background: #ffffff; */
    padding: var(--spacing-xl);
    padding-top: 30px;
    padding-bottom: 0px;
    /* border-radius: 16px; */
    /* box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06); */
}

.lianxi__qrcode-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
}

.lianxi__qrcode-list {
    display: flex;
    gap: 90px;
    /* justify-content: center; */
}

.lianxi__qrcode-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    transition: transform var(--transition-normal);
}

.lianxi__qrcode-item:hover {
    transform: translateY(-5px);
}

.lianxi__qrcode-img {
    width: 140px;
    height: 140px;
    border-radius: 12px;
    object-fit: cover;
    /* box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); */
    transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.lianxi__qrcode-item:hover .lianxi__qrcode-img {
    box-shadow: 0 8px 25px rgba(245, 166, 35, 0.3);
    transform: scale(1.05);
}

.lianxi__qrcode-text {
    font-size: 0.9rem;
    color: var(--color-text-gray);
    font-weight: 500;
}

/* ============================================
   表单区域
   ============================================ */
.lianxi__form-section {
    /* background: #ffffff; */
    padding: var(--spacing-xl);
    /* border-radius: 16px; */
    /* box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06); */
}

.lianxi__form-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
}

.lianxi__form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.lianxi__form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.lianxi__form-label {
    font-size: 0.9rem;
    color: var(--color-text-dark);
    font-weight: 500;
}

.lianxi__form-label .required {
    color: var(--color-error);
    margin-right: 4px;
}

.lianxi__form-input,
.lianxi__form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: var(--font-family-primary);
    color: var(--color-text-dark);
    background: #ffffff;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.lianxi__form-input:focus,
.lianxi__form-textarea:focus {
    outline: none;
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.15);
}

.lianxi__form-input::placeholder,
.lianxi__form-textarea::placeholder {
    color: var(--color-text-light-gray);
}

.lianxi__form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* 验证码区域 */
.lianxi__captcha-group {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.lianxi__captcha-input {
    flex: 1;
}

.lianxi__captcha-img {
    height: 45px;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity var(--transition-fast);
}

.lianxi__captcha-img:hover {
    opacity: 0.8;
}

/* 错误提示 */
.lianxi__error-message {
    font-size: 0.85rem;
    color: var(--color-error);
    margin-top: 4px;
    display: none;
}

.lianxi__error-message--visible {
    display: block;
}

.lianxi__form-input--error {
    border-color: var(--color-error);
}

.lianxi__form-input--error:focus {
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.15);
}

/* 提交按钮 */
.lianxi__form-actions {
    margin-top: var(--spacing-md);
}

.lianxi__submit-btn {
    width: 100%;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    font-family: var(--font-family-primary);
}

.lianxi__submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(245, 166, 35, 0.4);
}

.lianxi__submit-btn:active {
    transform: translateY(0);
}

.lianxi__submit-btn:disabled {
    background: #cccccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 成功提示 */
.lianxi__success-message {
    display: none;
    padding: var(--spacing-md);
    background: rgba(39, 174, 96, 0.1);
    border: 1px solid var(--color-success);
    border-radius: 8px;
    color: var(--color-success);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.lianxi__success-message--visible {
    display: block;
}

/* ============================================
   动画效果
   ============================================ */

/* 入场动画初始状态 */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="left"] {
    transform: translateX(-30px);
}

[data-animate="right"] {
    transform: translateX(30px);
}

[data-animate="up"] {
    transform: translateY(30px);
}

[data-animate="scale"] {
    transform: scale(0.9);
}

/* 动画可见状态 */
[data-animate].animate--visible {
    opacity: 1;
    transform: translate(0) scale(1);
}

/* 延迟类 */
.animate-delay-1 {
    transition-delay: 0.1s;
}

.animate-delay-2 {
    transition-delay: 0.2s;
}

.animate-delay-3 {
    transition-delay: 0.3s;
}

.animate-delay-4 {
    transition-delay: 0.4s;
}

.animate-delay-5 {
    transition-delay: 0.5s;
}

/* ============================================
   响应式设计
   ============================================ */

/* 平板端 (768px - 1024px) */
@media screen and (max-width: 1024px) {
    .lianxi {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .lianxi__title {
        font-size: 2rem;
    }

    .lianxi__company {
        font-size: 1.3rem;
    }

    .lianxi__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .lianxi__info,
    .lianxi__qrcode-section,
    .lianxi__form-section {
        padding: var(--spacing-lg);
    }

    .lianxi__qrcode-list {
        justify-content: flex-start;
    }
}

/* 移动端 (< 768px) */
@media screen and (max-width: 768px) {
    .lianxi {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .lianxi__header {
        margin-bottom: var(--spacing-xl);
    }

    .lianxi__title {
        font-size: 1.6rem;
    }

    .lianxi__title::after {
        width: 40px;
        height: 3px;
    }

    .lianxi__company {
        font-size: 1.1rem;
    }

    .lianxi__content {
        gap: var(--spacing-lg);
    }

    .lianxi__info,
    .lianxi__qrcode-section,
    .lianxi__form-section {
        padding: var(--spacing-md);
        border-radius: 12px;
    }

    .lianxi__info-title,
    .lianxi__qrcode-title,
    .lianxi__form-title {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-md);
    }

    .lianxi__contact-list {
        gap: var(--spacing-sm);
    }

    .lianxi__contact-item {
        flex-direction: column;
        gap: 4px;
        padding: var(--spacing-sm) 0;
    }

    .lianxi__contact-label {
        min-width: auto;
        font-size: 0.85rem;
    }

    .lianxi__contact-value {
        font-size: 0.95rem;
    }

    .lianxi__qrcode-list {
        gap: var(--spacing-lg);
    }

    .lianxi__qrcode-img {
        width: 120px;
        height: 120px;
    }

    .lianxi__qrcode-text {
        font-size: 0.85rem;
    }

    .lianxi__form {
        gap: var(--spacing-sm);
    }

    .lianxi__form-input,
    .lianxi__form-textarea {
        padding: 10px 14px;
        font-size: 16px;
        /* 防止iOS缩放 */
    }

    .lianxi__captcha-group {
        flex-direction: column;
        align-items: stretch;
    }

    .lianxi__captcha-img {
        height: 50px;
        align-self: flex-start;
    }

    .lianxi__submit-btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
}

/* 小屏移动端 (< 480px) */
@media screen and (max-width: 480px) {
    .lianxi__title {
        font-size: 1.4rem;
    }

    .lianxi__company {
        font-size: 1rem;
    }

    .lianxi__info,
    .lianxi__qrcode-section,
    .lianxi__form-section {
        padding: var(--spacing-sm);
    }

    .lianxi__qrcode-img {
        width: 100px;
        height: 100px;
    }

    .lianxi__qrcode-text {
        font-size: 0.8rem;
    }
}