/* 全屏大图 */
.page-banner {
    width: 100%;
    height: 420px;
    margin-top: 90px;
}
.page-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 页面标题 */
.page-title {
    padding: 50px 0;
    text-align: center;
}
.page-title h1 {
    font-size: 42px;
    font-weight: 700;
    color: #111;
    margin-bottom: 8px;
}
.page-title .sub-title {
    font-size: 16px;
    color: #888;
}

/* 联系页面布局 */
.contact-page {
    padding: 30px 0 80px;
}
.contact-row {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}
.contact-left {
    flex: 1;
}
.contact-right {
    flex: 1;
}

/* 左侧信息 */
.contact-item {
    margin-bottom: 25px;
}
.contact-item h3 {
    font-size: 20px;
    color: #0d47a1;
    margin-bottom: 8px;
    font-weight: 600;
}
.contact-item p {
    font-size: 16px;
    color: #333;
    line-height: 1.7;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 15px;
    color: #222;
    font-weight: 500;
}
.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    outline: none;
}
.form-control:focus {
    border-color: #0d47a1;
}
textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* 验证码 */
.captcha-row {
    display: flex;
    align-items: center;
    gap: 15px;
}
.captcha-input {
    flex: 1;
}
#captchaCode {
    width: 120px;
    height: 44px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: bold;
    color: #0d47a1;
    border-radius: 6px;
    cursor: pointer;
    letter-spacing: 4px;
    user-select: none;
}

/* 按钮 */
.submit-btn {
    background: #0d47a1;
    color: #fff;
    border: none;
    padding: 13px 30px;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
}
.submit-btn:hover {
    background: #0a3a7a;
}

/* 提示 */
.tips {
    color: #e53935;
    font-size: 13px;
    margin-top: 5px;
    display: none;
}


/* 响应式 */
@media (max-width: 992px) {
    .contact-row {
		flex-direction: column;
		gap: 40px;
    }
}
@media (max-width: 768px) {
    .nav-menu {
		position: fixed;
		top: 90px;
		left: -100%;
		width: 100%;
		height: calc(100vh - 90px);
		background: #fff;
		flex-direction: column;
		justify-content: center;
		transition: left 0.3s;
    }
    .nav-menu li { margin: 18px 0; }
    .nav-menu.active { left: 0; }
    .mobile-menu-btn { display: block; }
    .page-banner { height: 260px; }
    .page-title h1 { font-size: 30px; }
    /* 移动端适配 */
    .footer {
		padding: 50px 0 20px; /* 减少移动端内边距 */
    }
    .footer-wrap {
		flex-direction: column;
		text-align: center;
		gap: 30px; /* 移动端缩小间距 */
    }
    .footer-info {
		text-align: left; /* 移动端文字靠左 */
    }
    .copyright {
		margin-top: 20px;
		padding-top: 20px;
		font-size: 14px; /* 移动端版权文字缩小 */
    }
}