/* 主要内容区域 */
.main {
    padding-top: 80px;
}

/* Hero部分 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8faff 0%, #f2f6ff 100%);
    position: relative;
    overflow: hidden;
    padding-top: 40px;
    min-height: 800px;
}

/* 添加背景装饰 */
.hero::before {
    content: '';
    position: absolute;
    width: 1000px;
    height: 1000px;
    background: linear-gradient(45deg, rgba(33, 150, 243, 0.1), rgba(0, 188, 212, 0.1));
    border-radius: 50%;
    top: -400px;
    right: -200px;
    z-index: 1;
}

/* 新增背景装饰元素 */
.hero::after {
    content: '';
    position: absolute;
    width: 800px;
    height: 800px;
    background: linear-gradient(45deg, rgba(156, 39, 176, 0.05), rgba(233, 30, 99, 0.05));
    border-radius: 50%;
    bottom: -300px;
    left: -200px;
    z-index: 1;
}

.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
}

.bg-shape-1 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.08), rgba(33, 150, 243, 0));
    top: 20%;
    right: 15%;
    animation: float 8s ease-in-out infinite;
}

.bg-shape-2 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, rgba(0, 188, 212, 0.08), rgba(0, 188, 212, 0));
    top: 40%;
    left: 10%;
    animation: float 6s ease-in-out infinite reverse;
}

.bg-shape-3 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, rgba(156, 39, 176, 0.08), rgba(156, 39, 176, 0));
    bottom: 20%;
    right: 25%;
    animation: float 7s ease-in-out infinite;
}

.bg-shape-4 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.08), rgba(255, 193, 7, 0));
    top: 30%;
    left: 30%;
    animation: float 5s ease-in-out infinite reverse;
}

.bg-dots {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(33, 150, 243, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.5;
}

.bg-line {
    position: absolute;
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, rgba(33, 150, 243, 0), rgba(33, 150, 243, 0.2), rgba(33, 150, 243, 0));
}

.bg-line-1 {
    top: 20%;
    right: 10%;
    transform: rotate(-45deg);
}

.bg-line-2 {
    bottom: 30%;
    left: 15%;
    transform: rotate(45deg);
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .hero::before {
        width: 600px;
        height: 600px;
        top: -200px;
        right: -100px;
    }

    .hero::after {
        width: 500px;
        height: 500px;
        bottom: -200px;
        left: -150px;
    }

    .bg-shape {
        transform: scale(0.7);
    }

    .bg-dots {
        background-size: 20px 20px;
    }

    .bg-line {
        width: 150px;
    }
}

@keyframes float {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
    100% {
        transform: translateY(0) rotate(0deg);
    }
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 40px 0;
    position: relative;
    z-index: 2;
    width: 100%;
    margin: 0 auto;
    gap: 60px;
}

.hero-text {
    flex: 1;
    padding-right: 80px;
    max-width: 700px;
}

/* 新增徽章样式 */
.hero-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.1) 0%, rgba(33, 150, 243, 0.1) 100%);
    padding: 8px 20px;
    border-radius: 24px;
    margin-bottom: 24px;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(26, 115, 232, 0.1);
}

.badge-icon {
    font-size: 1.2rem;
    margin-right: 10px;
    width: 20px;
    height: 20px;
    color: #1a73e8;
}

.badge-text {
    color: #1a73e8;
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.2px;
}

.hero-text h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, #1a73e8, #0d47a1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
}

.subtitle {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 1rem;
}

.description {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

/* 特性标签样式 */
.feature-tags {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.feature-tag {
    display: flex;
    align-items: center;
    background: white;
    padding: 12px 20px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.tag-icon {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    color: #1a73e8;
}

.feature-tag span {
    color: #333;
    font-weight: 500;
}

/* 下载按钮样式优化 */
.download-buttons {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 24px;
}

.download-btn {
    display: flex;
    align-items: center;
    padding: 16px 32px;
    border-radius: 12px;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.download-btn.ios {
    background: #000;
}

.download-btn:hover {
    transform: translateY(-2px);
}

.download-btn.ios:hover {
    background: #333;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.download-btn img {
    width: 24px;
    height: 24px;
    margin-right: 12px;
}

.download-btn.ios img {
    filter: invert(1);
}

/* 响应式调整 */
@media screen and (max-width: 1200px) {
    .hero-text {
        padding-right: 40px;
        max-width: 500px;
    }

    .hero-text h1 {
        font-size: 3.5rem;
    }

    .subtitle {
        font-size: 1.6rem;
    }

    .description {
        font-size: 1.1rem;
    }
}

@media screen and (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 40px 0;
        height: auto;
    }

    .hero-content {
        flex-direction: column;
        padding: 0;
        text-align: center;
        gap: 20px;
    }

    .hero-text {
        padding-right: 0;
        max-width: 100%;
    }

    .hero-text h1 {
        font-size: 3rem;
    }

    .feature-tags {
        justify-content: center;
    }

    .download-buttons {
        justify-content: center;
    }
}

.hero-image {
    flex: 1;
    flex-grow: 2;
    text-align: center;
    width: 100%;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.1));
}

/* 特点部分 - 全屏滚动 */
.features-container {
    width: 100%;
}

.feature-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    padding: 0;
}

.feature-section .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 80px;
    position: relative;
    z-index: 2;
    gap: 60px;
}

.swiper-slide { 
    width:auto;/*设为固定值*/
}

/* 背景样式 */
.feature-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    transform: translateZ(-1px) scale(1.2);
    transition: transform 0.5s ease-out;
}

.feature-section:hover .feature-bg {
    transform: translateZ(-1px) scale(1.1);
}

.security-section {
    background: linear-gradient(135deg, #f0f7ff 0%, #e5f1ff 100%);
    color: #333;
}

.security-section .feature-bg {
    background: url('../assets/images/features/security-bg.png') center/cover;
    opacity: 0.1;
}

.speed-section {
    background: linear-gradient(135deg, #f5f9ff 0%, #eaf3ff 100%);
    color: #333;
}

.speed-section .feature-bg {
    background: url('../assets/images/features/speed-bg.png') center/cover;
    opacity: 0.1;
}

.cloud-section {
    background: linear-gradient(135deg, #f8faff 0%, #f0f6ff 100%);
    color: #333;
}

.cloud-section .feature-bg {
    background: url('../assets/images/features/cloud-bg.png') center/cover;
    opacity: 0.1;
}

.feature-content {
    text-align: center;
    padding: 20px;
    max-width: 600px;
    position: relative;
    z-index: 2;
    margin-right: 0;
    opacity: 0;
    transform: translateY(20px); 
}

.feature-content.animate {
    animation: contentFadeIn 0.8s ease-out forwards;
}

.feature-content img {
    width: 200px;
    height: 200px;
    margin-bottom: 40px;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.1));
    transition: all 0.3s ease;
}

.feature-content h3 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #1a73e8, #0d47a1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -1px;
    animation: fadeInUp 0.6s ease-out;
}

.feature-content p {
    font-size: 1.5rem;
    line-height: 1.8;
    color: #666;
    font-weight: 300;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* 漂浮动画 */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .hero, .feature-section {
        height: 100vh;
        min-height: 600px;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
        padding: 40px 0;
    }

    .feature-content {
        padding: 20px;
        margin-right: 0;
    }

    .feature-content img {
        width: 80px;
        height: 80px;
        margin-bottom: 30px;
    }

    .feature-content h3 {
        font-size: 2rem;
    }

    .feature-content p {
        font-size: 1.2rem;
    }
}

/* 处理较矮的屏幕 */
@media screen and (max-height: 700px) {
    .hero, .feature-section {
        padding: 20px 0;
    }

    .feature-content img {
        width: 150px;
        height: 150px;
        margin-bottom: 20px;
    }

    .feature-content h3 {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }

    .feature-content p {
        font-size: 1.2rem;
    }

    .feature-product {
        width: 250px;
    }
}

/* 产品图片样式 */
.feature-product {
    position: absolute;
    right: 15%;
    top: 50%;
    transform: translateY(-50%) perspective(1000px) rotateY(-5deg);
    z-index: 2;
    width: 320px;
    height: auto;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.15));
    transition: transform 0.3s ease;
}

.feature-product:hover {
    transform: translateY(-50%) perspective(1000px) rotateY(0deg);
}

/* 添加滚动指示器 */
.scroll-indicator {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.scroll-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}

.scroll-dot.active {
    background: #1a73e8;
    transform: scale(1.3);
}

/* 响应式调整 */
@media screen and (max-width: 1200px) {
    .feature-content {
        margin-right: 300px;
    }
    
    .feature-product {
        width: 280px;
        right: 5%;
    }
}

@media screen and (max-width: 768px) {
    .hero-text h1 {
        font-size: 3rem;
    }

    .feature-content {
        padding: 20px;
        margin-right: 0;
    }

    .feature-product {
        display: none;
    }

    .scroll-indicator {
        display: none;
    }
}

/* 增强特点图标动画 */
.feature-content:hover img {
    animation-play-state: paused;
    transform: scale(1.1) translateY(-10px);
    filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.2));
}

/* 文字渐入效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 添加鼠标跟随效果 */
.feature-section::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(26,115,232,0.1) 0%, rgba(26,115,232,0) 70%);
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.feature-section:hover::after {
    opacity: 1;
}

/* 添加滚动进度条 */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, #1a73e8 var(--scroll-progress, 0%), transparent 0);
    z-index: 1000;
}

/* 添加入场动画类 */
.animate-in {
    animation: slideIn 0.6s ease-out forwards;
}

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

/* 优动指示器动画 */
.scroll-dot {
    position: relative;
    overflow: hidden;
}

.scroll-dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: #1a73e8;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.scroll-dot:hover::before {
    width: 100%;
    height: 100%;
}

.scroll-dot.active::before {
    width: 100%;
    height: 100%;
}

/* Hero图片预览部分 */
.preview-container {
    position: relative;
    width: 60%;
    height: 700px;
    margin: 0 auto;
    padding: 40px 0;
    overflow: visible;
}

.preview-img {
    height: 100%;
    width: auto;
    max-height: 700px;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.5s ease;
    object-fit: contain;
    max-width: 320px;
}

/* Swiper自定义样式 */
.swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.5s ease;
    opacity: 0.4;
    transform: scale(0.9);
    pointer-events: none;
}

.swiper-slide-active {
    transform: scale(1);
    z-index: 2;
    opacity: 1;
    pointer-events: auto;
}

/* 添加前后图样式 */
.swiper-slide-prev,
.swiper-slide-next {
    opacity: 0.4;
    transform: scale(0.9);
    z-index: 1;
    pointer-events: auto;
}

/* 隐藏导航按钮 */
.swiper-button-next,
.swiper-button-prev {
    display: none;
}

/* 调整分页器位置 */
.swiper-pagination {
    position: relative;
    bottom: -20px;
}

.swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: rgba(26, 115, 232, 0.3);
    opacity: 1;
    margin: 0 6px;
}

.swiper-pagination-bullet-active {
    background: #1a73e8;
    transform: scale(1.2);
}

/* 悬停效果 */
.preview-img:hover {
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
    z-index: 3;
    filter: brightness(1);
}

/* 响应式调整 */
@media screen and (max-width: 1800px) {
    .hero-content {
        max-width: 1440px;
    }
    
    .preview-container {
        height: 600px;
    }
    
    .preview-img {
        max-height: 600px;
    }
}

@media screen and (max-width: 1440px) {
    .preview-container {
        height: 550px;
    }
    
    .preview-img {
        max-height: 550px;
    }
}

@media screen and (max-width: 768px) {
    .preview-container {
        height: 500px;
    }
    
    .preview-img {
        max-height: 500px;
    }
    
    .preview-img:nth-child(1),
    .preview-img:nth-child(3) {
        display: none;
    }
    
    .preview-img:nth-child(2) {
        position: relative;
        transform: scale(0.95);
    }
}

/* 反馈弹窗 */
.feedback-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    align-items: center;
    justify-content: center;
}

.feedback-modal.active {
    display: flex;
}

.feedback-content {
    background: white;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: modalShow 0.3s ease;
}

.feedback-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.feedback-header h3 {
    font-size: 1.5rem;
    color: #333;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: #666;
    padding: 0;
}

.feedback-form .form-group {
    margin-bottom: 20px;
}

.feedback-form label {
    display: block;
    margin-bottom: 8px;
    color: #333;
}

.feedback-form select,
.feedback-form textarea,
.feedback-form input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.feedback-form select:focus,
.feedback-form textarea:focus,
.feedback-form input:focus {
    outline: none;
    border-color: #1a73e8;
}

.submit-btn {
    background: #1a73e8;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    width: 100%;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: #1557b0;
}

@keyframes modalShow {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer样式 */
.footer {
    background: #f8faff;
    padding: 60px 0 30px;
    margin-top: 60px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-logo img {
    height: 32px;
}

.footer-logo span {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1a73e8;
}

.footer-desc {
    color: #666;
    line-height: 1.6;
    margin-bottom: 24px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul a:hover {
    color: #1a73e8;
}

/* Footer 中的反馈按钮特殊样式 */
.footer-section ul a.feedback-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(26, 115, 232, 0.1);
    border-radius: 16px;
    color: #1a73e8;
    font-weight: 500;
    transition: all 0.3s ease;
}

.footer-section ul a.feedback-trigger::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 1L3 5V11C3 16.55 6.84 21.74 12 23C17.16 21.74 21 16.55 21 11V5L12 1ZM12 11.99H19C18.47 16.11 15.72 19.78 12 20.93V12H5V6.3L12 3.19V11.99Z' fill='%231a73e8'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.footer-section ul a.feedback-trigger:hover {
    background: rgba(26, 115, 232, 0.15);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.15);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.social-link img {
    width: 20px;
    height: 20px;
    color: #666;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #666;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #1a73e8;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
}

/* 特点图标样式 */
.feature-icon {
    max-width: 48px;
    max-height: 48px;
    width: 100%;
    height: 100%;
    margin-bottom: 20px;
    color: currentColor;
    filter: drop-shadow(0 4px 8px rgba(26, 115, 232, 0.2));
    opacity: 1;
}

.feature-icon.animate {
    animation: iconEnter 0.6s ease-out forwards;
}

@keyframes iconEnter {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.8);
    }
    60% {
        transform: translateY(-10px) scale(1.1);
    }
    100% {
        opacity: 0.9;
        transform: translateY(0) scale(1);
    }
}

@keyframes contentFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.security-section .feature-icon {
    color: #1a73e8;
}

.security-section .feature-content {
    position: relative;
    z-index: 2;
}

/* 特点轮播图样式 */
.feature-swiper {
    width: 50%;
    max-width: 600px;
    height: 800px;
    position: relative;
    top: 50%;
    transform: translateY(-40%);
    z-index: 2;
}

.feature-swiper .swiper-slide {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    padding: 20px;
}

.feature-swiper .swiper-slide img {
    width: 100%;
    height: auto;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    transform: scale(0.95);
    opacity: 0.8;
}

.feature-swiper .swiper-slide-active img {
    transform: scale(1);
    opacity: 1;
}

.feature-swiper .swiper-pagination {
    position: absolute;
    bottom: 40px;
    width: 100%;
    text-align: center;
}

.feature-swiper .swiper-pagination-bullet {
    background: rgba(26, 115, 232, 0.5);
    opacity: 0.5;
}

.feature-swiper .swiper-pagination-bullet-active {
    background: #1a73e8;
    opacity: 1;
}

/* 响应式调整 */
@media screen and (max-width: 1440px) {
    .feature-section .container {
        max-width: 1440px;
        padding: 0 60px;
    }
    .feature-swiper {
        max-width: 500px;
    }
}

@media screen and (max-width: 1024px) {
    .feature-section .container {
        max-width: 1024px;
        padding: 0 40px;
    }
    .feature-swiper {
        max-width: 400px;
    }
}

@media screen and (max-width: 768px) {
    .feature-section .container {
        flex-direction: column;
        padding: 0 20px;
    }
    .feature-swiper {
        position: relative;
        width: 100%;
        max-width: 300px;
        margin: 40px auto 0;
        height: 600px;
        transform: translateY(0);
    }
}

/* 特点标签页样式 */
.feature-tabs {
    margin-top: 40px;
    width: 100%;
}

.tab-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.tab-btn {
    padding: 12px 24px;
    border: none;
    background: rgba(26, 115, 232, 0.1);
    color: #1a73e8;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-btn.active {
    background: #1a73e8;
    color: white;
}

.tab-content {
    position: relative;
    min-height: 400px;
}

.tab-pane {
    position: absolute;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.tab-pane.active {
    opacity: 1;
    visibility: visible;
}

.feature-detail {
    text-align: left;
    padding: 20px;
}

.feature-detail h4 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: #1a73e8;
}

.feature-detail-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin-top: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature-detail-img:hover {
    transform: translateY(-5px);
}

/* 加密动画样式 */
.encryption-animation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    margin-top: 40px;
}

.device {
    width: 120px;
    height: 240px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    padding: 12px;
    position: relative;
}

.device-screen {
    background: #f5f5f5;
    height: 100%;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.message-bubble {
    background: #1a73e8;
    color: white;
    padding: 8px 16px;
    border-radius: 16px;
    font-size: 14px;
    animation: messagePop 0.5s ease-out;
}

.message-bubble.encrypted {
    background: #34a853;
}

.encryption-process {
    flex: 1;
    height: 100px;
    position: relative;
    margin: 0 20px;
}

.encryption-path {
    height: 2px;
    background: rgba(26, 115, 232, 0.2);
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
}

.encryption-particle {
    width: 8px;
    height: 8px;
    background: #1a73e8;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    animation: particleMove 2s infinite;
}

.encryption-particle:nth-child(2) {
    animation-delay: 0.6s;
}

.encryption-particle:nth-child(3) {
    animation-delay: 1.2s;
}

.encryption-shield {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    animation: shieldPulse 2s infinite;
}

.shield-icon {
    width: 100%;
    height: 100%;
    fill: #1a73e8;
}

@keyframes messagePop {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes particleMove {
    0% {
        left: 0;
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    80% {
        opacity: 1;
    }
    100% {
        left: 100%;
        opacity: 0;
    }
}

@keyframes shieldPulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .encryption-animation {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }

    .encryption-process {
        width: 100%;
        height: 60px;
        margin: 10px 0;
    }

    .device {
        width: 100px;
        height: 200px;
    }
}

/* 特点界面展示 */
.feature-screens {
    margin-top: 40px;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    position: relative;
    height: 600px;
}

.screen-grid {
    position: relative;
    width: 100%;
    height: 100%;
    gap: 20px;
    perspective: 1000px;
    transform-style: preserve-3d;
}

.screen-item {
    position: absolute;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    width: 300px;
    height: 600px;
    transform: translateZ(0);
    background: #fff;
    transform-origin: center;
    will-change: transform, opacity, left;
}

.screen-item:nth-child(1) {
    transform: translateX(-50%) scale(0.8) rotateY(10deg);
    left: 25%;
    z-index: 1;
}

.screen-item:nth-child(2) {
    transform: translateX(-50%) scale(1);
    left: 50%;
    z-index: 3;
}

.screen-item:nth-child(3) {
    transform: translateX(-50%) scale(0.8) rotateY(-10deg);
    left: 75%;
    z-index: 1;
}

.screen-item:nth-child(4) {
    transform: translateX(-50%) scale(0.6) rotateY(-20deg);
    left: 90%;
    z-index: 0;
    opacity: 0.6;
}

.screen-item:hover {
    transform: translateX(-50%) scale(1.05) !important;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
    z-index: 4;
}

.screen-img {
    width: 100%;
    height: 100%;
    display: block;
    transition: all 0.5s ease;
    object-fit: cover;
    border-radius: 16px;
}

.screen-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, 
        rgba(0, 0, 0, 0.8),
        rgba(0, 0, 0, 0.6) 50%,
        transparent
    );
    padding: 30px;
    color: white;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    height: 40%;
}

.screen-overlay span {
    font-size: 1.1rem;
    font-weight: 500;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    transform: translateY(20px);
    transition: transform 0.5s ease;
}

.screen-item:hover .screen-overlay {
    opacity: 1;
    transform: translateY(0) scale(1.05);
}

.screen-item:hover .screen-overlay span {
    transform: translateY(0);
}

/* 添加切换按钮 */
.screen-nav {
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 5;
}

.screen-nav-btn {
    width: 40px;
    height: 4px;
    background: rgba(26, 115, 232, 0.15);
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.screen-nav-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #1a73e8;
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.screen-nav-btn.active {
    width: 60px;
}

.screen-nav-btn.active::after {
    transform: translateX(0);
}

/* 响应式调整 */
@media screen and (max-width: 1200px) {
    .feature-screens {
        height: 500px;
    }
    
    .screen-item {
        width: 250px;
        height: 500px;
    }
}

@media screen and (max-width: 768px) {
    .feature-screens {
        height: 400px;
    }
    
    .screen-item {
        width: 200px;
        height: 400px;
    }
    
    .screen-item:nth-child(1) {
        transform: translateX(-50%) scale(0.7) rotateY(10deg);
        left: 30%;
    }
    
    .screen-item:nth-child(3) {
        transform: translateX(-50%) scale(0.7) rotateY(-10deg);
        left: 70%;
    }
    
    .screen-item:nth-child(4) {
        display: none;
    }
}

/* 预览手机样式 */
.feature-preview {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.preview-phone {
    width: 300px;
    height: 600px;
    background: #fff;
    border-radius: 40px;
    padding: 10px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.12);
    position: relative;
    overflow: hidden;
}

.preview-screen {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
}

/* 添加描述文字样式 */
.screen-description {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    width: 100%;
    max-width: 600px;
    z-index: 5;
}

.screen-title {
    font-size: 2rem;
    color: #1a73e8;
    margin-bottom: 12px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.screen-text {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.6;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: 0.1s;
}

.screen-title.active,
.screen-text.active {
    opacity: 1;
    transform: translateY(0);
}

@media screen and (max-width: 768px) {
    .screen-description {
        top: -80px;
    }
    
    .screen-title {
        font-size: 1.5rem;
    }
    
    .screen-text {
        font-size: 1rem;
    }
}

/* 语音视频聊天部分样式 */
.feature-details {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: left;
}

.feature-item {
    background: rgba(255, 255, 255, 0.9);
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature-item .feature-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 8px;
    color: #1a73e8;
}

.feature-item span {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
}

.feature-item small {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.4;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .feature-details {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 30px;
    }

    .feature-item {
        padding: 20px;
    }

    .feature-item span {
        font-size: 1rem;
    }

    .feature-item small {
        font-size: 0.85rem;
    }

    .feature-icon {
        width: 28px;
        height: 28px;
        margin-bottom: 8px;
    }
}

.feature-main-icon {
    width: 36px;
    height: 36px;
    color: var(--primary-color);
    margin-bottom: 1rem;
    filter: invert(31%) sepia(98%) saturate(1946%) hue-rotate(204deg) brightness(97%) contrast(88%);
}

/* 视频展示区域样式 */
.feature-showcase {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin-left: auto;
    height: 700px;
}

.showcase-phones {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 2;
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 40px;
}

.phone {
    position: relative;
    width: 280px;
    height: 580px;
    background: white;
    border-radius: 40px;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.15),
        0 12px 24px -8px rgba(0, 0, 0, 0.08);
    padding: 12px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.phone::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 35%;
    height: 24px;
    background: #f8f8f8;
    border-radius: 0 0 16px 16px;
    z-index: 2;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.phone-screen {
    width: 100%;
    height: 100%;
    border-radius: 30px;
    object-fit: cover;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    backface-visibility: hidden;
    transform: translateZ(0);
    filter: brightness(1.02) contrast(1.02);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.phone-1 {
    transform: rotate(-4deg) translateY(10px);
    z-index: 2;
}

.phone-2 {
    transform: rotate(4deg) translateY(-10px);
    z-index: 1;
}

.showcase-phones {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 2;
    display: flex;
    justify-content: center;
    gap: 40px;
    padding: 60px 40px;
    perspective: 1000px;
}

.showcase-circle {
    position: absolute;
    width: 800px;
    height: 800px;
    background: linear-gradient(135deg, #4CD4C0 0%, #4CD4C0 100%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    opacity: 0.12;
    filter: blur(2px);
}

/* 响应式调整 */
@media screen and (max-width: 1024px) {
    .feature-showcase {
        max-width: 700px;
        height: 600px;
    }

    .phone {
        width: 240px;
        height: 500px;
    }

    .showcase-circle {
        width: 700px;
        height: 700px;
    }
}

@media screen and (max-width: 768px) {
    .feature-showcase {
        max-width: 100%;
        height: auto;
        margin-top: 40px;
        padding: 20px;
    }

    .showcase-phones {
        flex-direction: column;
        align-items: center;
        padding: 20px;
        gap: 40px;
    }

    .phone {
        transform: none !important;
        width: 280px;
        height: 580px;
    }

    .showcase-circle {
        width: 100%;
        height: 100%;
        border-radius: 40px;
    }
}

/* 添加更多浮动元素 */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.float-element {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    pointer-events: none;
}

/* 圆形装饰 */
.float-circle-1 {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1a73e8, #1557b0);
    top: 15%;
    right: 10%;
    animation: floatAnimation 8s ease-in-out infinite;
}

.float-circle-2 {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #34a853, #2d8745);
    bottom: 20%;
    left: 15%;
    animation: floatAnimation 6s ease-in-out infinite reverse;
}

.float-circle-3 {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #ea4335, #d62516);
    top: 30%;
    left: 20%;
    animation: floatAnimation 7s ease-in-out infinite;
}

/* 方形装饰 */
.float-square {
    border-radius: 8px;
    transform: rotate(45deg);
}

.float-square-1 {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #fbbc04, #f29900);
    top: 25%;
    left: 35%;
    animation: floatRotateAnimation 10s ease-in-out infinite;
}

.float-square-2 {
    width: 25px;
    height: 25px;
    background: linear-gradient(135deg, #1a73e8, #174ea6);
    bottom: 30%;
    right: 25%;
    animation: floatRotateAnimation 8s ease-in-out infinite reverse;
}

/* 三角形装饰 */
.float-triangle {
    width: 0;
    height: 0;
    border-style: solid;
    opacity: 0.1;
}

.float-triangle-1 {
    border-width: 0 15px 25px 15px;
    border-color: transparent transparent #34a853 transparent;
    top: 40%;
    right: 30%;
    animation: floatAnimation 9s ease-in-out infinite;
}

.float-triangle-2 {
    border-width: 0 10px 18px 10px;
    border-color: transparent transparent #ea4335 transparent;
    bottom: 35%;
    left: 40%;
    animation: floatAnimation 7s ease-in-out infinite reverse;
}

/* 点状装饰 */
.float-dot {
    width: 8px;
    height: 8px;
    background: #1a73e8;
    border-radius: 50%;
    opacity: 0.2;
}

.float-dot-1 {
    top: 45%;
    right: 18%;
    animation: pulseAnimation 4s ease-in-out infinite;
}

.float-dot-2 {
    bottom: 40%;
    left: 22%;
    animation: pulseAnimation 4s ease-in-out infinite 1s;
}

.float-dot-3 {
    top: 35%;
    left: 45%;
    animation: pulseAnimation 4s ease-in-out infinite 2s;
}

/* 线条装饰 */
.float-line {
    position: absolute;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #1a73e8, transparent);
    opacity: 0.1;
}

.float-line-1 {
    top: 28%;
    right: 15%;
    transform: rotate(45deg);
    animation: fadeInOut 6s ease-in-out infinite;
}

.float-line-2 {
    bottom: 32%;
    left: 18%;
    transform: rotate(-45deg);
    animation: fadeInOut 6s ease-in-out infinite 2s;
}

/* 动画定义 */
@keyframes floatAnimation {
    0%, 100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(10px, -10px);
    }
}

@keyframes floatRotateAnimation {
    0%, 100% {
        transform: rotate(45deg) translate(0, 0);
    }
    50% {
        transform: rotate(60deg) translate(10px, -10px);
    }
}

@keyframes pulseAnimation {
    0%, 100% {
        transform: scale(1);
        opacity: 0.2;
    }
    50% {
        transform: scale(1.5);
        opacity: 0.4;
    }
}

@keyframes fadeInOut {
    0%, 100% {
        opacity: 0.1;
    }
    50% {
        opacity: 0.3;
    }
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .float-element {
        transform: scale(0.8);
    }
    
    .float-line {
        width: 40px;
    }
}

/* 大型背景圆样式 */
.float-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    will-change: transform;
    transition: all 0.3s ease;
}

.large-circle-1 {
    width: 1000px;
    height: 1000px;
    background: linear-gradient(135deg, rgba(77, 212, 192, 0.08), rgba(77, 212, 192, 0.02));
    top: -400px;
    right: -300px;
    animation: floatCircle1 25s ease-in-out infinite;
}

.large-circle-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.06), rgba(26, 115, 232, 0.03));
    bottom: -100px;
    left: -100px;
    animation: floatCircle2 18s ease-in-out infinite;
}

@keyframes floatCircle1 {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    50% {
        transform: translate(20px, -20px) rotate(1deg);
    }
}

@keyframes floatCircle2 {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    50% {
        transform: translate(20px, -20px) rotate(-1deg);
    }
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .large-circle-1 {
        width: 600px;
        height: 600px;
        top: -200px;
        right: -150px;
    }
    
    .large-circle-2 {
        width: 300px;
        height: 300px;
        bottom: -50px;
        left: -50px;
    }
}