/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 顶部导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.nav-logo a {
    display: block;
    line-height: 0;
}

.nav-logo img {
    height: 40px;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 35px;
    margin: 0;
    padding: 0;
}

.nav-menu li a {
    color: #333;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-menu li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #1a73e8;
    transition: width 0.3s;
}

.nav-menu li a:hover {
    color: #1a73e8;
}

.nav-menu li a:hover::after {
    width: 100%;
}

.nav-contact .nav-phone {
    color: #e53935;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #1a73e8;
    border-radius: 2px;
    transition: all 0.3s;
}

/* 为页面内容添加顶部间距 */
body {
    padding-top: 70px;
}

/* CSS图标样式 */
.icon-phone::before,
.icon-message::before {
    font-family: Arial, sans-serif;
    font-size: inherit;
    font-weight: bold;
}

/* 悬浮按钮图标 */
.icon-phone::before {
    content: '☎';
}

.icon-message::before {
    content: '✉';
}

/* 为什么选择图标 - 使用CSS绘制 */
.icon-box,
.icon-fast,
.icon-hospital,
.icon-cost,
.icon-target {
    position: relative;
}

.icon-box::before {
    content: '';
    width: 30px;
    height: 30px;
    border: 3px solid #1a73e8;
    border-radius: 5px;
    display: block;
}

.icon-fast::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-bottom: 30px solid #1a73e8;
    display: block;
}

.icon-hospital::before {
    content: '+';
    font-size: 36px;
    color: #1a73e8;
    font-weight: bold;
    line-height: 1;
}

.icon-cost::before {
    content: '¥';
    font-size: 36px;
    color: #1a73e8;
    font-weight: bold;
    line-height: 1;
}

.icon-target::before {
    content: '';
    width: 30px;
    height: 30px;
    border: 4px solid #1a73e8;
    border-radius: 50%;
    display: block;
    position: relative;
}

.icon-target::after {
    content: '';
    width: 12px;
    height: 12px;
    background: #1a73e8;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* 厂家优势图标 - 使用CSS绘制 */
.icon-factory,
.icon-training,
.icon-support,
.icon-bulk,
.icon-partner {
    position: relative;
}

.icon-factory::before {
    content: '';
    width: 32px;
    height: 28px;
    border: 3px solid #1a73e8;
    border-bottom: 6px solid #1a73e8;
    display: block;
    position: relative;
}

.icon-factory::after {
    content: '';
    width: 8px;
    height: 15px;
    background: #1a73e8;
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
}

.icon-training::before {
    content: '';
    width: 28px;
    height: 32px;
    border: 3px solid #1a73e8;
    border-radius: 3px;
    display: block;
    position: relative;
}

.icon-training::after {
    content: '';
    width: 18px;
    height: 2px;
    background: #1a73e8;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 6px 0 #1a73e8, 0 12px 0 #1a73e8;
}

.icon-support::before {
    content: '';
    width: 30px;
    height: 30px;
    border: 4px solid #1a73e8;
    border-radius: 50%;
    display: block;
    position: relative;
}

.icon-support::after {
    content: '';
    width: 12px;
    height: 12px;
    background: #1a73e8;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.icon-bulk::before {
    content: '';
    width: 24px;
    height: 24px;
    border: 3px solid #1a73e8;
    display: block;
    position: relative;
}

.icon-bulk::after {
    content: '';
    width: 10px;
    height: 10px;
    border: 2px solid #1a73e8;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.icon-partner::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 3px solid #1a73e8;
    border-radius: 50%;
    display: block;
    position: relative;
}

.icon-partner::after {
    content: '';
    width: 28px;
    height: 28px;
    border: 3px solid #1a73e8;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 16px 45px;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.3);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(26, 115, 232, 0.5);
}

.btn-secondary {
    background-color: #fff;
    color: #1a73e8;
    border: 2px solid #1a73e8;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.2);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(26, 115, 232, 0.4);
}

/* 大号按钮样式 */
.btn-large {
    padding: 20px 60px;
    font-size: 22px;
    box-shadow: 0 6px 25px rgba(26, 115, 232, 0.4);
}

.btn-large:hover {
    box-shadow: 0 10px 35px rgba(26, 115, 232, 0.6);
}

/* 右侧悬浮咨询栏 */
.float-contact {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
}

.float-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 75px;
    height: 75px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 15px;
    margin-bottom: 15px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
    position: relative;
    border: none;
    cursor: pointer;
}

.float-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 15px;
    background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: opacity 0.3s;
}

.float-btn:hover {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 10px 30px rgba(26, 115, 232, 0.6);
}

.float-btn:hover::after {
    opacity: 1;
}

.float-btn .icon {
    font-size: 28px;
    margin-bottom: 5px;
    position: relative;
    z-index: 1;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.float-btn .text {
    font-size: 12px;
    position: relative;
    z-index: 1;
}

/* 联系方式弹出卡片 */
.contact-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
    z-index: 10001;
    padding: 40px;
    min-width: 350px;
    transition: transform 0.3s, opacity 0.3s;
    opacity: 0;
}

.contact-popup.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.popup-overlay.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    text-align: center;
}

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 35px;
    height: 35px;
    border: none;
    background: #f0f0f0;
    color: #666;
    font-size: 24px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    line-height: 1;
}

.popup-close:hover {
    background: #e53935;
    color: #fff;
    transform: rotate(90deg);
}

.popup-content h3 {
    font-size: 26px;
    color: #1a73e8;
    margin-bottom: 30px;
    font-weight: 700;
}

.popup-phone {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #e0e0e0;
}

.phone-label {
    font-size: 14px;
    color: #999;
    margin-bottom: 10px;
}

.phone-number {
    font-size: 28px;
    color: #e53935;
    font-weight: bold;
    text-decoration: none;
    display: block;
    transition: color 0.3s;
}

.phone-number:hover {
    color: #c62828;
}

.popup-qr {
    text-align: center;
}

.qr-label {
    font-size: 14px;
    color: #999;
    margin-bottom: 15px;
}

.popup-qr img {
    width: 180px;
    height: 180px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
}

.qr-tip {
    font-size: 13px;
    color: #666;
}

/* 移动端底部固定按钮 */
.mobile-fixed-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background-color: #fff;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    padding: 12px 15px;
    backdrop-filter: blur(10px);
}

.mobile-btn {
    display: block;
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
    text-align: center;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.4);
    transition: all 0.3s;
}

.mobile-btn:active {
    transform: scale(0.98);
}

/* 第一屏：首屏 */
.hero-section {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 50%, #fff 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26, 115, 232, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(13, 71, 161, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
    animation: fadeInLeft 1s ease-out;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-text h1 {
    font-size: 40px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 25px;
    line-height: 1.4;
    font-weight: 800;
}

.subtitle {
    font-size: 20px;
    color: #555;
    margin-bottom: 35px;
    line-height: 1.8;
}

.hero-contact {
    margin-bottom: 35px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    display: inline-block;
}

.hero-contact .phone {
    font-size: 26px;
    color: #333;
}

.hero-contact .phone a {
    color: #e53935;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    position: relative;
}

.hero-contact .phone a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 3px;
    background: #e53935;
    transition: width 0.3s;
}

.hero-contact .phone a:hover::after {
    width: 100%;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.hero-image {
    flex: 1;
    animation: fadeInRight 1s ease-out;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-image img {
    width: 100%;
    max-width: 650px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.15));
    transition: transform 0.5s;
}

.hero-image img:hover {
    transform: scale(1.05) rotate(2deg);
}

/* 产品中心 */
.product-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #fff 0%, #f8f9fa 100%);
}

.product-section h2 {
    font-size: 38px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 800;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
    margin-bottom: 50px;
}

.product-card {
    text-align: center;
    transition: all 0.3s;
}

.product-card:hover .product-img {
    transform: translateY(-8px);
}

.product-img {
    width: 100%;
    height: 350px;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
    border-radius: 0;
    box-shadow: none;
    margin-bottom: 25px;
    transition: all 0.3s;
}

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

.product-card h3 {
    font-size: 26px;
    color: #1a73e8;
    margin: 0 0 12px;
    font-weight: 700;
}

.product-desc {
    font-size: 16px;
    color: #666;
    margin: 0;
}

.product-note {
    text-align: center;
    margin-bottom: 40px;
}

.product-note p {
    font-size: 16px;
    color: #666;
    background: rgba(26, 115, 232, 0.05);
    padding: 15px 30px;
    border-radius: 50px;
    display: inline-block;
}

/* 第二屏：价格吸引模块 */
.price-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #f8f9fa 0%, #fff 100%);
    position: relative;
}

.price-section h2 {
    font-size: 38px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 800;
}

.section-desc {
    text-align: center;
    font-size: 19px;
    color: #666;
    margin-bottom: 60px;
}

.price-compare {
    display: flex;
    gap: 40px;
    margin-bottom: 70px;
    justify-content: center;
    align-items: stretch;
}

.price-card {
    flex: 1;
    max-width: 420px;
    background: #fff;
    padding: 0;
    border-radius: 25px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 3px solid #e0e0e0;
}

.price-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 8px;
}

.price-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(26, 115, 232, 0.2);
    border-color: #1a73e8;
}

.price-card.featured {
    background: linear-gradient(180deg, #e3f2fd 0%, #fff 100%);
    border: 3px solid #1a73e8;
    transform: scale(1.05);
    box-shadow: 0 15px 50px rgba(26, 115, 232, 0.3);
}

.price-card.featured::before {
    height: 10px;}

.price-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
    box-shadow: 0 25px 60px rgba(26, 115, 232, 0.4);
}

.price-badge {
    position: absolute;
    top: 25px;
    right: 25px;
    background: linear-gradient(135deg, #90caf9 0%, #64b5f6 100%);
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.price-badge.featured-badge {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.price-card h3 {
    font-size: 32px;
    color: #1a73e8;
    margin-bottom: 15px;
    text-align: center;
    font-weight: 700;
    padding: 40px 30px 0;
}

.price-desc {
    text-align: center;
    color: #666;
    margin-bottom: 35px;
    font-size: 17px;
    padding: 0 30px;
}

.price-features {
    list-style: none;
    padding: 0 40px;
    margin-bottom: 40px;
}

.price-features li {
    padding: 18px 0;
    font-size: 17px;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    color: #333;
}

.price-features li:last-child {
    border-bottom: none;
}

.price-features li:hover {
    padding-left: 10px;
    color: #1a73e8;
}

.check-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
    color: #fff;
    border-radius: 50%;
    margin-right: 12px;
    font-size: 14px;
    font-weight: bold;
    flex-shrink: 0;
}

.price-footer {
    padding: 0 40px 40px;
}

.btn-card {
    width: 100%;
    text-align: center;
    padding: 16px 30px;
    font-size: 18px;
}

/* 表单样式 */
.contact-form {
    max-width: 650px;
    margin: 0 auto;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    padding: 50px;
    border-radius: 25px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    position: relative;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    border-radius: 25px;
    z-index: -1;
    opacity: 0.1;
}

.contact-form h3 {
    font-size: 28px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 35px;
    font-weight: 700;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px 20px;
    margin-bottom: 20px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s;
    background-color: #fff;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #1a73e8;
    box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.1);
    transform: translateY(-2px);
}

.contact-form button {
    width: 100%;
    margin-top: 10px;
}

/* 第三屏：为什么选择 */
.why-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #fff 0%, #f8f9fa 100%);
}

.why-section h2 {
    font-size: 38px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 70px;
    font-weight: 800;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
    margin-bottom: 60px;
}

.why-item {
    text-align: center;
    padding: 40px 25px;
    background: #fff;
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.why-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transform: scaleX(0);
    transition: transform 0.4s;
}

.why-item:hover::before {
    transform: scaleX(1);
}

.why-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(26, 115, 232, 0.2);
    border-color: #1a73e8;
}

.why-number {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: #1a73e8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: bold;
    margin: 0 auto 20px;
    transition: all 0.4s;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.2);
}

.why-item:hover .why-number {
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
    transform: scale(1.15);
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.35);
}

.why-item h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.4;
}

.why-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

.cta-center {
    text-align: center;
    margin-top: 50px;
}

/* 第四屏：检测功能 */
.function-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.function-section h2 {
    font-size: 32px;
    color: #1a73e8;
    text-align: center;
    margin-bottom: 20px;
}

.function-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.function-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.function-item h3 {
    font-size: 20px;
    color: #1a73e8;
    margin-bottom: 15px;
}

.function-item p {
    color: #666;
    font-size: 15px;
}

/* 第五屏：适用单位 */
.suitable-section {
    padding: 80px 0;
    background-color: #fff;
}

.suitable-section h2 {
    font-size: 32px;
    color: #1a73e8;
    text-align: center;
    margin-bottom: 50px;
}

.suitable-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.suitable-item {
    background-color: #e3f2fd;
    padding: 30px;
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    color: #1a73e8;
    border-radius: 10px;
}

.suitable-note {
    text-align: center;
    font-size: 20px;
    color: #e53935;
    font-weight: bold;
    margin-top: 30px;
}

/* 第六屏：厂家优势 */
.advantage-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.advantage-section h2 {
    font-size: 32px;
    color: #1a73e8;
    text-align: center;
    margin-bottom: 60px;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.advantage-item {
    background-color: #fff;
    padding: 35px;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.adv-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 20px;
}

.advantage-item h3 {
    font-size: 20px;
    color: #1a73e8;
    margin-bottom: 15px;
}

.advantage-item p {
    color: #666;
    font-size: 15px;
}

.cooperation-note {
    text-align: center;
    font-size: 20px;
    color: #e53935;
    font-weight: bold;
}

/* 第七屏：技术参数 */
.specs-section {
    padding: 80px 0;
    background-color: #fff;
}

.specs-section h2 {
    font-size: 32px;
    color: #1a73e8;
    text-align: center;
    margin-bottom: 50px;
}

.specs-table {
    max-width: 800px;
    margin: 0 auto;
    background-color: #f8f9fa;
    border-radius: 10px;
    overflow: hidden;
}

.spec-row {
    display: flex;
    border-bottom: 1px solid #ddd;
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    flex: 0 0 200px;
    padding: 20px;
    background-color: #1a73e8;
    color: #fff;
    font-weight: bold;
    font-size: 16px;
}

.spec-value {
    flex: 1;
    padding: 20px;
    font-size: 16px;
    color: #333;
}

/* 第八屏：常见问题 */
.faq-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.faq-section h2 {
    font-size: 32px;
    color: #1a73e8;
    text-align: center;
    margin-bottom: 50px;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: #fff;
    padding: 30px;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.faq-item h3 {
    font-size: 20px;
    color: #1a73e8;
    margin-bottom: 15px;
}

.faq-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 第九屏：强转化收口 */
.final-cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1a73e8 0%, #1557b0 100%);
    color: #fff;
}

.final-cta-section h2 {
    font-size: 36px;
    color: #fff;
    text-align: center;
    margin-bottom: 20px;
}

.final-desc {
    text-align: center;
    font-size: 18px;
    color: #fff;
    margin-bottom: 50px;
}

.final-cta-section .contact-form {
    background-color: #fff;
}

/* 底部信息 */
.footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-around;
    margin-bottom: 40px;
}

.footer-contact h3,
.footer-qr h3 {
    font-size: 20px;
    margin-bottom: 20px;
}

.footer-contact p {
    margin-bottom: 10px;
    font-size: 16px;
}

.footer-contact a {
    color: #fff;
    text-decoration: none;
}

.footer-qr img {
    width: 150px;
    height: 150px;
    background-color: #fff;
    padding: 10px;
    border-radius: 10px;
}

.footer-qr p {
    margin-top: 10px;
    text-align: center;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #444;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .hero-text h1 {
        font-size: 26px;
    }
    
    .subtitle {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .price-compare {
        flex-direction: column;
    }
    
    .price-card.featured {
        transform: scale(1);
    }
    
    .float-contact {
        display: none;
    }
    
    .mobile-fixed-bar {
        display: block;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    
    section {
        padding: 50px 0 !important;
    }
    
    h2 {
        font-size: 26px !important;
    }
    
    .spec-row {
        flex-direction: column;
    }
    
    .spec-label {
        flex: 1;
    }
    
    /* 移动端why-grid改为单列 */
    .why-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 移动端适用疾病标签 */
    .application-tags .tag {
        font-size: 14px;
        padding: 10px 20px;
    }
    
    /* 移动端适用疾病网格 */
    .application-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .function-application {
        padding: 30px 20px;
    }
    
    .application-header h3 {
        font-size: 22px;
    }
    
    .application-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    /* 移动端function-grid改为单列 */
    .function-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 移动端suitable-grid改为单列 */
    .suitable-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* 移动端适用单位流程布局 */
    .suitable-flow {
        flex-direction: column;
        gap: 40px;
        padding: 0;
    }
    
    .flow-line {
        display: none;
    }
    
    .suitable-item::before {
        top: -35px;
        width: 40px;
        height: 40px;
        font-size: 14px;
    }
    
    .item-content {
        width: 100%;
        min-height: 140px;
        padding: 30px 20px;
    }
    
    .item-icon {
        width: 50px;
        height: 50px;
        font-size: 28px;
    }
    
    .item-content h3 {
        font-size: 16px;
    }
    
    .suitable-note {
        font-size: 18px;
        padding: 20px 25px;
        margin-top: 40px;
    }
    
    /* 移动端产品中心 */
    .product-showcase {
        flex-direction: column;
        gap: 40px;
    }
    
    .product-features {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-item {
        padding: 20px;
    }
    
    .feature-value {
        font-size: 16px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .product-img {
        height: 280px;
    }
    
    .product-card h3 {
        font-size: 22px;
    }
    
    /* 移动端导航栏 */
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        gap: 0;
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        padding: 15px 0;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-contact {
        display: none;
    }
    
    /* 移动端advantage-grid改为单列 */
    .advantage-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* 平板响应式 */
@media (min-width: 769px) and (max-width: 1024px) {
    .why-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .why-item {
        padding: 30px 15px;
    }
    
    .why-item h3 {
        font-size: 17px;
    }
    
    .why-item p {
        font-size: 13px;
    }
    
    /* 平板端function-grid改为3列 */
    .function-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .function-item {
        padding: 30px 15px;
    }
    
    .function-item h3 {
        font-size: 17px;
    }
    
    .function-item p {
        font-size: 13px;
    }
    
    /* 平板端suitable-grid改为3列 */
    .suitable-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .suitable-item {
        font-size: 16px;
        padding: 28px 18px;
    }
    
    /* 平板端适用单位流程布局 */
    .suitable-flow {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .suitable-item {
        flex: 0 0 calc(50% - 15px);
    }
    
    .flow-line {
        display: none;
    }
    
    .item-content h3 {
        font-size: 16px;
    }
    
    /* 平板端产品中心 */
    .product-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
    
    .product-img {
        height: 300px;
        padding: 25px;
    }
    
    .product-card h3 {
        font-size: 24px;
    }
    
    /* 平板端advantage-grid改为3列 */
    .advantage-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    
    .advantage-item {
        padding: 30px 15px;
    }
    
    .advantage-item h3 {
        font-size: 17px;
    }
    
    .advantage-item p {
        font-size: 13px;
    }
    
    /* 平板端适用疾病网格 */
    .application-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
}


/* 第四屏：检测功能 */
.function-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #f8f9fa 0%, #fff 100%);
    position: relative;
}

.function-section h2 {
    font-size: 38px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 800;
}

.function-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
    margin-top: 60px;
}

.function-item {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    padding: 35px 20px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.function-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(26, 115, 232, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s;
}

.function-item:hover::before {
    opacity: 1;
}

.function-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(26, 115, 232, 0.2);
    border-color: #1a73e8;
}

.function-item h3 {
    font-size: 18px;
    color: #1a73e8;
    margin-bottom: 12px;
    font-weight: 600;
    position: relative;
    z-index: 1;
    line-height: 1.4;
}

.function-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* 适用疾病筛查 */
.function-application {
    margin-top: 70px;
    padding: 50px 45px;
    border-radius: 25px;
}

.application-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.application-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.3);
}

.application-header h3 {
    font-size: 28px;
    color: #1a73e8;
    margin: 0;
    font-weight: 700;
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.application-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 25px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

.application-item:hover {
    transform: translateX(8px);
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.2);
    border-color: #1a73e8;
}

.app-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
    color: #fff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    box-shadow: 0 3px 10px rgba(76, 175, 80, 0.3);
}

.application-item span {
    font-size: 16px;
    color: #333;
    font-weight: 500;
}

/* 第五屏：适用单位 */
.suitable-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #e3f2fd 0%, #fff 50%, #e3f2fd 100%);
    position: relative;
    overflow: hidden;
}

.suitable-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(26, 115, 232, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(26, 115, 232, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.suitable-section h2 {
    font-size: 38px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 80px;
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.suitable-flow {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
    padding: 0 20px;
}

.flow-line {
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 4px;
    background: linear-gradient(90deg, #1a73e8 0%, #64b5f6 50%, #1a73e8 100%);
    transform: translateY(-50%);
    z-index: 0;
    border-radius: 2px;
    box-shadow: 0 2px 10px rgba(26, 115, 232, 0.3);
}

.suitable-item {
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.suitable-item::before {
    content: attr(data-number);
    position: absolute;
    top: -45px;
    left: 50%;
    transform: translateX(-50%);
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.4);
    border: 4px solid #fff;
}

.item-content {
    background: #fff;
    padding: 35px 25px;
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 3px solid transparent;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.item-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #1a73e8 0%, #64b5f6 100%);
    transform: scaleX(0);
    transition: transform 0.4s;
}

.suitable-item:hover .item-content {
    transform: translateY(-15px);
    box-shadow: 0 15px 45px rgba(26, 115, 232, 0.3);
    border-color: #1a73e8;
}

.suitable-item:hover .item-content::before {
    transform: scaleX(1);
}

.item-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: #1a73e8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 18px;
    transition: all 0.4s;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.2);
}

.suitable-item:hover .item-icon {
    transform: rotate(90deg) scale(1.1);
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
}

.item-content h3 {
    font-size: 17px;
    color: #333;
    text-align: center;
    font-weight: 600;
    line-height: 1.5;
    margin: 0;
}

.suitable-note {
    text-align: center;
    font-size: 22px;
    color: #e53935;
    font-weight: bold;
    margin-top: 50px;
    padding: 25px 40px;
    background: linear-gradient(135deg, rgba(229, 57, 53, 0.1) 0%, rgba(229, 57, 53, 0.05) 100%);
    border-radius: 50px;
    border-left: 5px solid #e53935;
    border-right: 5px solid #e53935;
    display: inline-block;
    margin-left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 4px 20px rgba(229, 57, 53, 0.2);
}

/* 第六屏：厂家优势 */
.advantage-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #fff 0%, #f8f9fa 100%);
}

.advantage-section h2 {
    font-size: 38px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 70px;
    font-weight: 800;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.advantage-item {
    background: transparent;
    padding: 40px 30px;
    text-align: center;
    border-radius: 20px;
    border: none;
    position: relative;
    overflow: hidden;
}

.advantage-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: #1a73e8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    margin: 0 auto 25px;
}

.advantage-item h3 {
    font-size: 20px;
    color: #1a73e8;
    margin-bottom: 15px;
    font-weight: 600;
    line-height: 1.4;
}

.advantage-item p {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
}

.cooperation-note {
    text-align: center;
    font-size: 22px;
    color: #e53935;
    font-weight: bold;
    padding: 25px;
    background: linear-gradient(135deg, rgba(229, 57, 53, 0.1) 0%, rgba(229, 57, 53, 0.05) 100%);
    border-radius: 20px;
    border: 2px dashed #e53935;
}

/* 第七屏：技术参数 */
.specs-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #e3f2fd 0%, #fff 100%);
}

.specs-section h2 {
    font-size: 38px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 800;
}

.specs-table {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
}

.spec-row {
    display: flex;
    border-bottom: 1px solid #e0e0e0;
    transition: all 0.3s;
}

.spec-row:hover {
    background-color: #f8f9fa;
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    flex: 0 0 240px;
    padding: 25px 30px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
    font-weight: bold;
    font-size: 17px;
    display: flex;
    align-items: center;
}

.spec-value {
    flex: 1;
    padding: 25px 30px;
    font-size: 16px;
    color: #333;
    display: flex;
    align-items: center;
}

/* 第八屏：常见问题 */
.faq-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #fff 0%, #f8f9fa 100%);
}

.faq-section h2 {
    font-size: 38px;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
    margin-bottom: 60px;
    font-weight: 800;
}

.faq-list {
    max-width: 950px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    padding: 35px 40px;
    margin-bottom: 25px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 5px solid transparent;
}

.faq-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 35px rgba(26, 115, 232, 0.2);
    border-left-color: #1a73e8;
}

.faq-item h3 {
    font-size: 21px;
    color: #1a73e8;
    margin-bottom: 15px;
    font-weight: 600;
}

.faq-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.9;
}

/* 第九屏：强转化收口 */
.final-cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.final-cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.final-cta-section::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -15%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.final-cta-section h2 {
    font-size: 42px;
    color: #fff;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.final-desc {
    text-align: center;
    font-size: 20px;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.final-cta-section .contact-form {
    background: #fff;
    position: relative;
    z-index: 1;
}

/* 底部信息 */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
    color: #fff;
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-around;
    margin-bottom: 50px;
    gap: 50px;
}

.footer-contact h3,
.footer-qr h3 {
    font-size: 22px;
    margin-bottom: 25px;
    color: #fff;
    font-weight: 600;
}

.footer-contact p {
    margin-bottom: 15px;
    font-size: 17px;
    line-height: 1.8;
}

.footer-contact a {
    color: #64b5f6;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-contact a:hover {
    color: #fff;
}

.footer-qr {
    text-align: center;
}

.footer-qr img {
    width: 160px;
    height: 160px;
    background-color: #fff;
    padding: 12px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.3);
}

.footer-qr p {
    margin-top: 15px;
    text-align: center;
    font-size: 15px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom p {
    margin-bottom: 10px;
}

.footer-license {
    font-size: 13px;
    line-height: 1.8;
}

.footer-license a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-license a:hover {
    color: #fff;
}