/* 重置样式和基础设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
}

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

/* 顶部导航栏样式 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(7, 193, 96, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 55px;
    width: auto;
    max-width: 200px;
    border-radius: 8px;
    object-fit: contain;
    display: block;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: #07C160;
    background: linear-gradient(135deg, #07C160, #06AD56);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-item {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 0;
}

.nav-link:not(.download-btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #07C160, #06AD56);
    transition: width 0.3s ease;
}

.nav-link:not(.download-btn):hover {
    color: white;
    background: linear-gradient(135deg, #07C160, #06AD56);
    padding: 10px 20px;
    border-radius: 25px;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(7, 193, 96, 0.3);
}

.nav-link:not(.download-btn):hover::after {
    display: none;
}

.download-btn {
    background: linear-gradient(135deg, #07C160, #06AD56);
    color: white !important;
    padding: 10px 20px !important;
    border-radius: 25px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(7, 193, 96, 0.3);
    transition: all 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(7, 193, 96, 0.4);
}

.download-btn::after {
    display: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: #333;
    transition: 0.3s;
    border-radius: 2px;
}

/* 首屏重点区域样式 */
.hero-section {
    min-height: 100vh;
    background: linear-gradient(135deg, rgba(7, 193, 96, 0.1) 0%, rgba(6, 173, 86, 0.05) 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="10" cy="60" r="0.5" fill="rgba(255,255,255,0.05)"/><circle cx="90" cy="40" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    color: #333;
}

.hero-title {
    margin-bottom: 30px;
}

.title-main {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #07C160, #06AD56);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}


.hero-description {
    margin-bottom: 40px;
}

.feature-highlights {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.highlight-item {
    background: linear-gradient(135deg, rgba(7, 193, 96, 0.1), rgba(6, 173, 86, 0.05));
    color: #07C160;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 1.1rem;
    font-weight: 600;
    border: 1px solid rgba(7, 193, 96, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.highlight-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(7, 193, 96, 0.1), transparent);
    transition: left 0.5s ease;
}

.highlight-item:hover {
    background: linear-gradient(135deg, rgba(7, 193, 96, 0.15), rgba(6, 173, 86, 0.1));
    border-color: rgba(7, 193, 96, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(7, 193, 96, 0.2);
}

.highlight-item:hover::before {
    left: 100%;
}

.highlight-separator {
    color: #07C160;
    font-size: 1.2rem;
    font-weight: bold;
    opacity: 0.6;
}

.description-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #555;
    text-align: center;
    opacity: 0.9;
    margin: 0;
}

.hero-buttons {
    position: relative;
    margin-bottom: 30px;
}

.download-stats {
    text-align: center;
    margin-top: 20px;
}

.download-count {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.count-label {
    color: #666;
    font-size: 1rem;
    font-weight: 500;
}

.count-number {
    background: linear-gradient(135deg, #07C160, #4FC3F7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.system-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    align-items: center;
}

.system-compatibility,
.update-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    font-size: 0.9rem;
}

.info-label {
    font-weight: 500;
    color: #555;
}

.system-list {
    color: #07C160;
    font-weight: 600;
}

.update-date {
    color: #07C160;
    font-weight: 600;
}


.download-button {
    background: linear-gradient(135deg, #07C160, #06AD56);
    color: white;
    border: none;
    padding: 25px 60px;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 60px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 12px 40px rgba(7, 193, 96, 0.5);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    min-width: 280px;
    justify-content: center;
}

.download-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(7, 193, 96, 0.6);
}

.download-button:active {
    transform: translateY(-1px);
}

.button-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.download-button:hover .button-glow {
    left: 100%;
}



.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-product-image {
    max-width: 100%;
    height: auto;
    max-height: 600px;
    width: auto;
    min-width: 400px;
    border-radius: 20px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.2);
    animation: float 6s ease-in-out infinite;
    transition: all 0.3s ease;
    border: 3px solid rgba(7, 193, 96, 0.1);
}

.hero-product-image:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 35px 100px rgba(0, 0, 0, 0.25);
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; }
}

/* 产品信息介绍区域样式 */
.features-section {
    padding: 100px 0;
    background: #f8f9fa;
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #07C160, #06AD56);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid-2x4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-module {
    background: white;
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.feature-module::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #07C160, #06AD56);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-module:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.feature-module:hover::before {
    opacity: 1;
}

.module-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(7, 193, 96, 0.1), rgba(6, 173, 86, 0.05));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.feature-module:hover .module-icon {
    background: linear-gradient(135deg, #07C160, #06AD56);
    transform: scale(1.1);
}

.module-icon i {
    font-size: 1.5rem;
    color: #07C160;
    transition: color 0.3s ease;
}

.feature-module:hover .module-icon i {
    color: white;
}

.module-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
    line-height: 1.3;
}

.module-description {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* 产品展示区域样式 */
.showcase-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.showcase-image {
    position: relative;
}

.image-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.showcase-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(7, 193, 96, 0.9), rgba(6, 173, 86, 0.8));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-container:hover .image-overlay {
    opacity: 1;
}

.image-container:hover .showcase-img {
    transform: scale(1.05);
}

.overlay-content {
    text-align: center;
    color: white;
    padding: 40px;
    max-width: 400px;
}

.overlay-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 30px;
    line-height: 1.3;
}

.feature-points {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.point-item {
    display: flex;
    align-items: center;
    gap: 15px;
    text-align: left;
}

.point-icon {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.point-icon i {
    font-size: 0.9rem;
    color: white;
}

.point-item span {
    font-size: 1rem;
    line-height: 1.4;
    font-weight: 500;
}

.showcase-text {
    padding-left: 20px;
}

.showcase-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 25px;
    line-height: 1.2;
}

.showcase-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 40px;
}

.showcase-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.feature-highlight {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.feature-highlight:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.feature-highlight i {
    font-size: 1.3rem;
    color: #07C160;
    width: 24px;
    text-align: center;
}

.feature-highlight span {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
}

.showcase-download-btn {
    background: linear-gradient(135deg, #07C160, #06AD56);
    color: white;
    border: none;
    padding: 18px 35px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 25px rgba(7, 193, 96, 0.3);
    transition: all 0.3s ease;
}

.showcase-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(7, 193, 96, 0.4);
}

.showcase-download-btn i:first-child {
    font-size: 1.2rem;
}

.showcase-download-btn i:last-child {
    font-size: 1rem;
}

/* 话术管理功能介绍区域样式 */
.speech-management-section {
    padding: 100px 0;
    background: white;
}

.speech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.speech-text {
    padding-right: 20px;
}

.speech-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #07C160;
    margin-bottom: 40px;
    line-height: 1.2;
}

.speech-features {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 50px;
}

.speech-point {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.point-dot {
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #07C160, #FF6B35);
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 6px;
}

.speech-point span {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #555;
}

.speech-download-btn {
    background: linear-gradient(135deg, #07C160, #06AD56);
    color: white;
    border: none;
    padding: 18px 35px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 25px rgba(7, 193, 96, 0.3);
    transition: all 0.3s ease;
}

.speech-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(7, 193, 96, 0.4);
}

.speech-download-btn i:first-child {
    font-size: 1.2rem;
}

.speech-download-btn i:last-child {
    font-size: 1rem;
}

.speech-interface {
    position: relative;
}

.interface-container {
    background: #f8f9fa;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.speech-interface-img {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

.speech-interface-img:hover {
    transform: scale(1.02);
}

/* 底部下载区域样式 */
.footer-download-section {
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.9)), 
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 800"><defs><filter id="blur"><feGaussianBlur stdDeviation="3"/></filter></defs><rect width="1200" height="800" fill="%23f8f9fa"/><rect x="200" y="100" width="800" height="600" fill="%23e9ecef" filter="url(%23blur)"/><rect x="300" y="200" width="600" height="400" fill="%23dee2e6" filter="url(%23blur)"/></svg>');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    position: relative;
}

.footer-download-content {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.footer-title-section {
    margin-bottom: 50px;
}

.title-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.decoration-dot {
    width: 12px;
    height: 12px;
    background: linear-gradient(135deg, #07C160, #4FC3F7);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(7, 193, 96, 0.6);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.footer-main-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.2;
}

.footer-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    margin: 0;
    line-height: 1.5;
}

.footer-download-button {
    margin-bottom: 60px;
}

.footer-download-btn {
    background: linear-gradient(135deg, #07C160, #06AD56);
    color: white;
    border: none;
    padding: 20px 50px;
    border-radius: 12px;
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 30px rgba(7, 193, 96, 0.4);
    transition: all 0.3s ease;
    margin: 0 auto;
}

.footer-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(7, 193, 96, 0.5);
}

.footer-download-btn i:first-child {
    font-size: 1.4rem;
}

.footer-download-btn i:last-child {
    font-size: 1.2rem;
}

.footer-info {
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-bottom-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
    opacity: 0.8;
    flex-wrap: nowrap;
    justify-content: center;
    white-space: nowrap;
    overflow: hidden;
}

.footer-bottom-info span {
    color: white;
}

.footer-bottom-info a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-bottom-info a:hover {
    opacity: 1;
}

.separator {
    opacity: 0.5;
    font-size: 0.65rem;
}

/* 用户评价模块样式 */
.reviews-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.reviews-header {
    text-align: center;
    margin-bottom: 60px;
}

.reviews-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
    font-family: inherit;
}

.reviews-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin: 0;
    font-family: inherit;
}

.reviews-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.reviews-scroll {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 20px 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.reviews-scroll::-webkit-scrollbar {
    display: none;
}

.review-card {
    flex: 0 0 350px;
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.review-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #07C160, #06AD56);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.review-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.review-card:hover::before {
    opacity: 1;
}

.review-avatar {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.avatar-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.avatar-img:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 1);
}

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

.review-rating {
    display: flex;
    justify-content: center;
    gap: 3px;
    margin-bottom: 15px;
}

.review-rating i {
    color: #FFD700;
    font-size: 1rem;
}

.review-text {
    font-size: 1rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 20px;
    font-style: italic;
    font-family: inherit;
}

.review-user {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.user-name {
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    font-family: inherit;
}

.user-job {
    font-size: 0.9rem;
    color: #07C160;
    font-weight: 500;
    font-family: inherit;
}

.scroll-controls {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.scroll-btn {
    width: 50px;
    height: 50px;
    background: white;
    border: 2px solid #07C160;
    border-radius: 50%;
    color: #07C160;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.scroll-btn:hover {
    background: #07C160;
    color: white;
    transform: scale(1.1);
}

.scroll-btn i {
    font-size: 1.2rem;
}


/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .logo-img {
        height: 45px;
        max-width: 160px;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 15px 0;
    }
    
    .nav-item {
        flex-direction: column;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .title-main {
        font-size: 2.5rem;
    }
    
    
    .feature-highlights {
        gap: 6px;
        margin-bottom: 15px;
    }
    
    .highlight-item {
        padding: 6px 12px;
        font-size: 1rem;
    }
    
    .description-text {
        font-size: 1rem;
    }
    
    .download-button {
        padding: 20px 50px;
        font-size: 1.3rem;
        min-width: 250px;
    }
    
    .count-number {
        font-size: 2rem;
    }
    
    .system-info {
        gap: 20px;
        flex-direction: column;
    }
    
    .system-compatibility,
    .update-info {
        font-size: 0.85rem;
    }
    
    .hero-product-image {
        max-height: 500px;
        min-width: 300px;
    }
    
    .features-grid-2x4 {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(4, 1fr);
        gap: 20px;
    }
    
    .feature-module {
        padding: 25px 15px;
    }
    
    .module-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 15px;
    }
    
    .module-icon i {
        font-size: 1.3rem;
    }
    
    .module-title {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }
    
    .module-description {
        font-size: 0.85rem;
    }
    
    .showcase-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .showcase-text {
        padding-left: 0;
        text-align: center;
    }
    
    .showcase-title {
        font-size: 2rem;
    }
    
    .overlay-content {
        padding: 30px;
    }
    
    .overlay-content h3 {
        font-size: 1.5rem;
    }
    
    .feature-points {
        gap: 15px;
    }
    
    .point-item {
        gap: 12px;
    }
    
    .point-item span {
        font-size: 0.9rem;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .download-btn-large {
        width: 100%;
        max-width: 300px;
    }
    
    .download-info {
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .logo-img {
        height: 40px;
        max-width: 140px;
    }
    
    .title-main {
        font-size: 2rem;
    }
    
    .feature-highlights {
        gap: 4px;
        margin-bottom: 12px;
    }
    
    .highlight-item {
        padding: 5px 10px;
        font-size: 0.9rem;
    }
    
    .description-text {
        font-size: 0.9rem;
    }
    
    .download-button {
        padding: 18px 40px;
        font-size: 1.2rem;
        min-width: 220px;
    }
    
    .count-number {
        font-size: 1.8rem;
    }
    
    .count-label {
        font-size: 0.9rem;
    }
    
    .system-info {
        gap: 15px;
    }
    
    .system-compatibility,
    .update-info {
        font-size: 0.8rem;
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .download-title {
        font-size: 2rem;
    }
    
    .features-grid-2x4 {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(8, 1fr);
        gap: 15px;
    }
    
    .feature-module {
        padding: 20px 15px;
    }
    
    .module-icon {
        width: 45px;
        height: 45px;
        margin-bottom: 12px;
    }
    
    .module-icon i {
        font-size: 1.2rem;
    }
    
    .module-title {
        font-size: 1rem;
        margin-bottom: 8px;
    }
    
    .module-description {
        font-size: 0.8rem;
    }
    
    .showcase-content {
        gap: 30px;
    }
    
    .showcase-title {
        font-size: 1.8rem;
    }
    
    .showcase-description {
        font-size: 1rem;
    }
    
    .overlay-content {
        padding: 20px;
    }
    
    .overlay-content h3 {
        font-size: 1.3rem;
        margin-bottom: 20px;
    }
    
    .feature-points {
        gap: 12px;
    }
    
    .point-item {
        gap: 10px;
    }
    
    .point-item span {
        font-size: 0.85rem;
    }
    
    .feature-highlight {
        padding: 12px 15px;
    }
    
    .feature-highlight span {
        font-size: 0.9rem;
    }
    
    .speech-content {
        gap: 30px;
    }
    
    .speech-title {
        font-size: 1.8rem;
    }
    
    .speech-point span {
        font-size: 1rem;
    }
    
    .interface-container {
        padding: 15px;
    }
    
    .footer-main-title {
        font-size: 2.2rem;
    }
    
    .footer-subtitle {
        font-size: 1.1rem;
    }
    
    .footer-download-btn {
        padding: 18px 40px;
        font-size: 1.2rem;
    }
    
    .title-decoration {
        gap: 15px;
    }
    
    .decoration-dot {
        width: 10px;
        height: 10px;
    }
    
    .speech-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .speech-text {
        padding-right: 0;
        text-align: center;
    }
    
    .speech-title {
        font-size: 2rem;
    }
    
    .interface-container {
        padding: 20px;
    }
    
    .hero-product-image {
        max-height: 400px;
        min-width: 250px;
    }
    
    .footer-main-title {
        font-size: 1.8rem;
    }
    
    .footer-subtitle {
        font-size: 1rem;
    }
    
    .footer-download-btn {
        padding: 15px 30px;
        font-size: 1.1rem;
    }
    
    .title-decoration {
        gap: 10px;
    }
    
    .decoration-dot {
        width: 8px;
        height: 8px;
    }
    
    .footer-bottom-info {
        font-size: 0.6rem;
        gap: 5px;
        flex-wrap: nowrap;
        white-space: nowrap;
        overflow: hidden;
    }
    
    .separator {
        font-size: 0.55rem;
    }
    
    .reviews-title {
        font-size: 2rem;
    }
    
    .reviews-subtitle {
        font-size: 1rem;
    }
    
    .review-card {
        flex: 0 0 280px;
        padding: 25px;
    }
    
    .avatar-img {
        width: 50px;
        height: 50px;
    }
    
    .review-text {
        font-size: 0.9rem;
    }
    
    .user-name {
        font-size: 0.9rem;
    }
    
    .user-job {
        font-size: 0.8rem;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #07C160, #06AD56);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #06AD56, #059B4D);
}

/* 加载动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .hero-section {
        background: #000;
    }
    
    .download-button {
        background: #fff;
        color: #000;
    }
    
    .feature-card {
        border: 2px solid #000;
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 手机端用户评价模块样式 */
@media (max-width: 480px) {
    .reviews-title {
        font-size: 1.8rem;
    }
    
    .reviews-subtitle {
        font-size: 0.9rem;
    }
    
    .review-card {
        flex: 0 0 250px;
        padding: 20px;
    }
    
    .avatar-img {
        width: 45px;
        height: 45px;
    }
    
    .review-text {
        font-size: 0.85rem;
    }
    
    .user-name {
        font-size: 0.85rem;
    }
    
    .user-job {
        font-size: 0.75rem;
    }
    
    .scroll-btn {
        width: 40px;
        height: 40px;
    }
    
    .scroll-btn i {
        font-size: 1rem;
    }
}
