/* 基础样式和重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fdf8f8;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 导航栏 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(231, 76, 60, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.15);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #e74c3c;
	justify-content: center;
}

.logo i {
    margin-right: 10px;
	width:3.0rem;
	height:3.0rem;
	display: flex;
	align-items: center;
}

.logo i img {
	width:100%;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #e74c3c;
}

.nav-link {
    position: relative;
    padding: 5px 0;
}

.nav-link.active {
    color: #e74c3c;
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    border-radius: 2px;
}

.top-primary {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff!important;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
	height:3rem;
	padding:0 1.5rem;
	font-size:1.0rem;
}

.top-primary:hover {
    background: linear-gradient(135deg, #c0392b, #a93226);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
    color: #fff;
}



.banner-primary {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff;
    padding: 0rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
	justify-content: center;
    gap: 8px;
	font-size:1.2rem;
	height: 4.5rem;
}

.banner-primary:hover {
    background: linear-gradient(135deg, #c0392b, #a93226);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
    color: #fff;
}
.banner-primary i {
	width:1.8rem;
	height:1.8rem;
}
.banner-primary i img {
	width:100%;
}
.banner-secondary {
    background: #fff;
    color: #e74c3c;
    padding: 0rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    border: 2px solid #e74c3c;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
	justify-content: center;
    gap: 8px;
	font-size:1.2rem;
	height: 4.5rem;
}

.banner-secondary:hover {
    background: #e74c3c;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}
.banner-secondary i {
	width:2.0rem;
	height:2.0rem;
	background: url(../images/change.png) no-repeat center;
	background-size:100% auto; 
}
.banner-secondary:hover i {
	background: url(../images/change_w.png) no-repeat center;
	background-size:100% auto; 
}


.btn-primary {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff;
    padding: 10px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #c0392b, #a93226);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
    color: #fff;
}

.btn-secondary {
    background: #fff;
    color: #e74c3c;
    padding: 10px 20px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    border: 2px solid #e74c3c;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    background: #e74c3c;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}

.language-selector {
    position: relative;
}

.language-btn {
    background: #fdf5f4;
    border: 1px solid #f9e0dc;
    border-radius: 50px;
    display: flex;
    align-items: center;
	justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
	height:3rem;
	padding:0 1.5rem;
	font-size:1.0rem;
}

.language-btn:hover {
    background: #f9e0dc;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.1);
    padding: 10px 0;
    margin-top: 5px;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
}

.language-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(5px);
}

.language-dropdown a {
    display: block;
    padding: 10px 20px;
    text-decoration: none;
    color: #333;
    transition: background-color 0.3s ease;
}

.language-dropdown a:hover {
    background-color: #fdf5f4;
}
.fa-globe {
	width:1.2rem;
	height:1.2rem;
	background: url(../images/golab.png) no-repeat center;
	background-size:100% auto; 
}
.fa-down {  
    width: 10px;  
    height: 10px; 
	margin-top: 10px;
    border-style: solid;  
    border-width: 2px 2px 0 0;  
    border-color: #FF9999;  
    -webkit-transform-origin: 75% 25%;  
    -webkit-transform: rotateZ(135deg);  
    -webkit-transition: 100ms ease-in .1s;  
    transition: 100ms ease-in .1s;  
}

.mobile-menu {
    display: none;
    width: 30px;
    height: 24px;
    position: relative;
    cursor: pointer;
    z-index: 1001;
}

.menu-bar {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #333;
    border-radius: 3px;
    position: absolute;
    left: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.menu-bar:nth-child(1) {
    top: 0;
}

.menu-bar:nth-child(2) {
    top: 10px;
}

.menu-bar:nth-child(3) {
    top: 20px;
}

.mobile-menu:hover .menu-bar {
    background-color: #e74c3c;
}

.mobile-menu.active .menu-bar:nth-child(1) {
    top: 10px;
    transform: rotate(45deg);
    background-color: #e74c3c;
}

.mobile-menu.active .menu-bar:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.mobile-menu.active .menu-bar:nth-child(3) {
    top: 10px;
    transform: rotate(-45deg);
    background-color: #e74c3c;
}

/* 英雄区域 */
.hero {
    background:url(../images/bannerbg.jpg) no-repeat center;
	background-size:cover;
    padding: 120px 0 80px;
	height:80vh;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    align-items: center;
	height:100%;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: #58241f;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: #555;
}

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

.hero-image img {
    width: 100%;
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: scale(1.02);
}

/* 通用版块样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: #2c3e50;
}

.section-header p {
    font-size: 1.1rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

/* 功能介绍版块 */
.features {
    padding: 100px 0;
    background: #fff;
}

.features-grid-new {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
}

.feature-card-large {
    grid-column: span 3;
}

.feature-card-small {
    grid-column: span 2;
}

.feature-card-large {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 320px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-card-large:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.feature-card-small {
    background: #fff;
    border-radius: 20px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 280px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-card-small:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.feature-card-content h3 {
    font-size: 1.6rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: bold;
}

.feature-card-content p {
    color: #5a6c7d;
    font-size: 1.1rem;
    line-height: 1.6;
	background: url(../images/gou.png) no-repeat left 0.2rem;
	background-size:1.5rem auto; 
	padding:0 0 0 2.0rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    color: #5a6c7d;
    font-size: 1.1rem;
    line-height: 1.5;
}

.feature-list li i {
    color: #e74c3c;
	width:1.5rem;
	height:1.5rem;
	background: url(../images/gou.png) no-repeat center;
	background-size:100% auto;
    margin-top: 3px;
    flex-shrink: 0;
}

.feature-card-image {
    margin-top: 20px;
    text-align: center;
}

.feature-card-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-item {
    background: #fdf8f8;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #f9e0dc;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(231, 76, 60, 0.1);
    border-color: #e74c3c;
}

.feature-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
}

.feature-item:hover .feature-image {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(231, 76, 60, 0.3);
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.feature-item p {
    color: #7f8c8d;
    line-height: 1.6;
}

/* 软件优势版块 */
.advantages {
    padding: 100px 0;
    background: #fdf8f8;
}

.advantages-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.advantages-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.advantage-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 15px;
    background: #fff;
    padding: 30px 20px;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid #f9e0dc;
}

.advantage-item:hover {
    transform: translateY(-10px);
    background: #fff;
    box-shadow: 0 15px 35px rgba(231, 76, 60, 0.15);
    border-color: #e74c3c;
}

.advantage-item i {
    width: 3.6rem;
	height:3.6rem;
    color: #e74c3c;
    margin-bottom: 10px;
}

.advantage-item i img {
	width:100%;
}

.advantage-item h3 {
    font-size: 1.3rem;
    margin: 0;
    color: #2c3e50;
}

.advantage-item .feature-header {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.advantage-item p {
    color: #7f8c8d;
    margin: 0;
    padding-left: 0;
}

.advantages-image img {
    width: 100%;
}

/* 在线转换功能版块 */
.online-convert {
    padding: 100px 0;
    background: #fff;
}

.online-convert-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
    align-items: stretch;
}

.convert-form {
    background: #fdf8f8;
    padding: 40px;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.convert-form:hover {
    box-shadow: 0 15px 35px rgba(231, 76, 60, 0.15);
}

.form-group {
    margin-bottom: 30px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    color: #2c3e50;
    font-size: 1.1rem;
}

.form-row {
    display: flex;
    gap: 20px;
    align-items: flex-end;
}

.form-group-half {
    flex: 1;
    margin-bottom: 0;
}

.btn-convert {
    flex: 1;
    padding: 15px 40px;
    height: fit-content;
	width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    cursor: pointer;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff;
    font-weight: 600;
    transition: all 0.3s ease;
}
.btn-convert:hover {
	background: linear-gradient(135deg, #c0392b, #a93226);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
    color: #fff;
}

.file-upload-area {
    border: 2px dashed #e74c3c;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
	min-height: 300px;
	justify-content: center;
	align-items: center;
	display: flex;
	flex-direction: column;
}

.file-upload-area:hover {
    border-color: #c0392b;
    background-color: rgba(231, 76, 60, 0.05);
}

#file-upload {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.upload-icon {
    width: 4rem;
	height:4rem;
    color: #e74c3c;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}
.upload-icon img {
	width:100%;
}

.file-upload-area:hover .upload-icon {
    transform: scale(1.1);
}

.file-list {
    margin-top: 20px;
    text-align: left;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: #fff;
    border-radius: 5px;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.file-item i {
    color: #e74c3c;
    margin-right: 10px;
}

.file-item .file-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-item .file-size {
    color: #7f8c8d;
    margin-left: 10px;
}

select {
    width: 100%;
    padding: 15px;
    border: 2px solid #f9e0dc;
    border-radius: 10px;
    font-size: 1rem;
    background: #fff;
    transition: all 0.3s ease;
}

select:focus {
    outline: none;
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.conversion-result {
    margin-top: 30px;
    text-align: center;
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #e74c3c;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.result {
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    text-align: center;
}

.result-icon {
    width: 80px;
    height: 80px;
    background: #27ae60;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
    font-size: 2rem;
}

.result h3 {
    margin-bottom: 20px;
    color: #2c3e50;
}

#download-link {
    display: inline-block;
    margin-top: 10px;
}

.convert-steps {
    display: flex;
    flex-direction: row;
    gap: 20px;
    align-items: stretch;
}

.step {
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: #fdf8f8;
    padding: 30px;
    border-radius: 15px;
    transition: all 0.3s ease;
    flex: 1;
    text-align: center;
}

.step:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(231, 76, 60, 0.1);
}

.step-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step h3 {
    font-size: 1.3rem;
    margin: 0;
    color: #2c3e50;
}

.step p {
    color: #7f8c8d;
    margin: 0;
    padding-left: 0;
}

.step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e74c3c;
    font-size: 1.5rem;
    flex-shrink: 0;
    align-self: center;
}

/* 满足不同客户的需求版块 */
.features-grid-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
}

.features-grid-section .section-header h2 {
    color: #fff;
}

.features-grid-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}
.features-image {
	height:100%;
}
.features-image img {
    width: 100%;
	height:100%;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.features-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 25px 15px;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.feature-card:hover {
    background: rgba(231, 76, 60, 0.2);
    border-color: rgba(231, 76, 60, 0.5);
    transform: translateY(-5px);
}

.feature-card i {
    width: 2.2rem;
	height:2.2rem;
    color: #e74c3c;
}
.feature-card i img {
	width:100%;
}

.feature-card span {
    font-size: 1.1rem;
    color: #fff;
    font-weight: 500;
}

.customers {
    padding: 100px 0;
    background: linear-gradient(180deg, #f0f4f8 0%, #e8f4fc 100%);
}

.customers-subtitle {
    color: #5a6c7d;
    font-size: 1rem;
}

.customers-grid-new {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 0 auto;
}

.customer-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
}

.customer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.customer-card-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 10px;
	position: absolute;
	right: 2rem;
	top:-2rem;
}

.customer-card-icon {
    width: 72px;
    height: 72px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
}

.customer-card-icon.blue {
    background: linear-gradient(135deg, #4a90d9, #357abd);
}

.customer-card-icon.orange {
    background: linear-gradient(135deg, #f5a623, #e0941c);
}
.customer-card-icon img {
	width:60%;
}

.customer-card-content h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 600;
}

.customer-desc {
    color: #7f8c8d;
    font-size: 1.2rem;
    margin-bottom: 25px;
}

.customer-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px 10px;
    margin-bottom: 30px;
}

.customer-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.0rem;
    color: #2c3e50;
}

.customer-feature-item i {
    width:1.2rem;
	height:1.2rem;
}
.customer-feature-item i img {
	width:100%;
}

.blue-check {
    color: #4a90d9;
}

.orange-check {
    color: #f5a623;
}

.customer-notes {
    border-top: 1px solid #f0f0f0;
    padding-top: 20px;
}

.customer-notes p {
    color: #7f8c8d;
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.customers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.customer-item {
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #f9e0dc;
}

.customer-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(231, 76, 60, 0.1);
    border-color: #e74c3c;
}

.customer-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
    font-size: 2rem;
    transition: all 0.3s ease;
}

.customer-item:hover .customer-icon {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(231, 76, 60, 0.5);
}

.customer-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.customer-item p {
    color: #7f8c8d;
}

/* 立即下载版块 */
.download {
    padding: 100px 0;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff;
    text-align: center;
}

.download-content h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.download-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.download-buttons .btn-primary {
    background: #fff;
    color: #e74c3c;
    font-size: 1.3rem;
    padding: 15px 30px;
    min-width: 200px;
	justify-content: center;
}

.download-buttons .btn-primary:hover {
    background: #fdf5f4;
    color: #c0392b;
}
.download-buttons .btn-primary i {
	width:2.6rem;
	height:2.6rem;
}
.download-buttons .btn-primary i img {
	width:100%;
}
.fa-download {
	width:1.8rem!important;
	height:1.8rem!important;
}

.download-buttons .btn-secondary {
    background: transparent;
    color: #fff;
    border-color: #fff;
    font-size: 1.1rem;
    padding: 15px 30px;
    min-width: 200px;
}

.download-buttons .btn-secondary:hover {
    background: #fff;
    color: #e74c3c;
}

.download-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    font-size: 0.9rem;
    opacity: 0.8;
}

.download-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
}

/* 页脚 */
.footer {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 80px 0 40px;
}

.footer-top {
    text-align: center;
    margin-bottom: 60px;
}

.footer-logo-section {
    margin-bottom: 30px;
}

.footer-logo-section .logo {
    justify-content: center;
    color: #fff;
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.footer-logo-section p {
    color: #bdc3c7;
    font-size: 0.95rem;
}

.footer-languages {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px 25px;
    max-width: 900px;
    margin: 0 auto;
}

.lang-item {
    color: #bdc3c7;
    font-size: 0.85rem;
    cursor: pointer;
    transition: color 0.3s ease;
    padding: 5px 10px;
}

.lang-item:hover {
    color: #e74c3c;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 28px 36px;
    max-width: 900px;
    margin: 0 auto 40px;
    padding: 0 16px;
}

.footer-links a {
    color: #bdc3c7;
    font-size: 0.95rem;
    text-decoration: none;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.footer-links a:hover {
    color: #ecf0f1;
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #e74c3c;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #e74c3c;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ecf0f1;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #e74c3c;
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: #bdc3c7;
    font-size: 0.9rem;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}
.back-to-top img {
	width:60%;
}

.back-to-top:hover {
    background: linear-gradient(135deg, #c0392b, #a93226);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(231, 76, 60, 0.5);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
	.hero-image {
		width:100%;
		text-align: center;
	}
	.hero-image img {
		width:90%;
	}
	.container {
		padding:0 1.5rem;
	}
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container,
    .advantages-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .online-convert-content {
        flex-direction: column;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 30px 0;
        gap: 20px;
        box-shadow: 0 10px 20px rgba(231, 76, 60, 0.1);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .mobile-menu {
        display: block;
    }

    .language-selector {
        margin-left: 0;
    }

    .convert-steps {
        flex-direction: column;
    }

    .step-arrow i {
        transform: rotate(90deg);
    }

    .step {
        flex-direction: column;
        text-align: center;
    }

    .step-header {
        justify-content: center;
		flex-direction: row;
    }
	.step-number {
		width:32px;
		height:32px;
	}

    .step p {
        padding-left: 0;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .download-buttons a {
        width: 100%;
        max-width: 300px;
    }

    .features-grid-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .features-cards {
        grid-template-columns: repeat(3, 1fr);
    }

    .features-image {
        width: 100%;
		height:300px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
	.customer-card {
		padding:1.5rem;
	}
	.customer-card-content h3 {
		font-size:1.6rem;
	}
	.customer-desc {
		font-size:1.0rem;
	}
	.customer-feature-item {
		font-size:0.9rem;
	}
    .hero {
        padding: 100px 0 60px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .features,
    .advantages,
    .online-convert,
    .customers,
    .download,
    .features-grid-section {
        padding: 80px 0;
    }

    .feature-item,
    .customer-item {
        padding: 30px;
    }

    .step,
    .advantage-item {
        padding: 1rem;
    }

	.feature-card span {
		font-size:0.9rem;
	}

    .form-row {
        flex-direction: column;
        align-items: stretch;
    }

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

    .btn-convert {
        width: 100%;
    }

    .features-grid-new {
        grid-template-columns: 1fr;
    }

    .feature-card-large,
    .feature-card-small {
        grid-column: span 1;
    }

    .feature-card-large,
    .feature-card-small {
        min-height: auto;
    }

    .customers-grid-new {
        grid-template-columns: 1fr;
		gap:4rem;
    }

    .customer-features {
        grid-template-columns: repeat(2, 1fr);
    }
	.footer-top {
		margin-bottom:1rem;
	}
	.footer {
		padding:1.5rem 0 1rem 0;
	}
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .hero-buttons a {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-languages {
        flex-wrap: wrap;
        gap: 0.1rem;
    }

    .footer-links {
        gap: 12px 20px;
        margin-bottom: 28px;
    }

    .footer-links a {
        font-size: 0.88rem;
    }
}

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

.feature-item,
.step,
.advantage-item,
.customer-item {
    animation: fadeInUp 0.6s ease forwards;
}

.feature-item:nth-child(1) {
    animation-delay: 0.1s;
}

.feature-item:nth-child(2) {
    animation-delay: 0.2s;
}

.feature-item:nth-child(3) {
    animation-delay: 0.3s;
}

.feature-item:nth-child(4) {
    animation-delay: 0.4s;
}

.feature-item:nth-child(5) {
    animation-delay: 0.5s;
}

.feature-item:nth-child(6) {
    animation-delay: 0.6s;
}

.step:nth-child(1) {
    animation-delay: 0.1s;
}

.step:nth-child(3) {
    animation-delay: 0.2s;
}

.step:nth-child(5) {
    animation-delay: 0.3s;
}

.advantage-item:nth-child(1) {
    animation-delay: 0.1s;
}

.advantage-item:nth-child(2) {
    animation-delay: 0.2s;
}

.advantage-item:nth-child(3) {
    animation-delay: 0.3s;
}

.advantage-item:nth-child(4) {
    animation-delay: 0.4s;
}

.customer-item:nth-child(1) {
    animation-delay: 0.1s;
}

.customer-item:nth-child(2) {
    animation-delay: 0.2s;
}

.customer-item:nth-child(3) {
    animation-delay: 0.3s;
}

.customer-item:nth-child(4) {
    animation-delay: 0.4s;
}

.customer-item:nth-child(5) {
    animation-delay: 0.5s;
}

.customer-item:nth-child(6) {
    animation-delay: 0.6s;
}

/* 滚动动画 */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}