* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0066cc;
    --secondary-color: #0099ff;
    --accent-color: #00b3ff;
    --dark-color: #0a1628;
    --light-color: #ffffff;
    --text-color: #1a1a2e;
    --text-secondary: #4a5568;
    --border-color: #e0e6ed;
    --card-bg: rgba(255, 255, 255, 0.95);
    --gradient-primary: linear-gradient(135deg, #0066cc, #0099ff);
    --gradient-secondary: linear-gradient(135deg, #0099ff, #00b3ff);
    --shadow-primary: 0 4px 20px rgba(0, 102, 204, 0.2);
    --shadow-secondary: 0 8px 30px rgba(0, 102, 204, 0.3);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f0f7ff;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 102, 204, 0.08) 0%, transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(0, 153, 255, 0.08) 0%, transparent 30%),
        radial-gradient(circle at 50% 50%, rgba(0, 179, 255, 0.05) 0%, transparent 40%);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background:rgba(255,255,255,.5);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 102, 204, 0.3);
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar:hover {
    background:#fff;
}

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

.navbar-brand .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    width: 3rem;
	height: 3rem;
    animation: pulse 2s infinite;
}
.logo-icon img {
	width:100%;
}

.logo-text {
    color: #0099FF;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    color: #0078DE;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
	font-size:1.1rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: #0099FF;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #0099FF;
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-selector {
    position: relative;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 153, 255, 0.2);
    border: 1px solid rgba(0, 153, 255, 0.3);
    border-radius: var(--border-radius);
    padding: 0.5rem 0.8rem 0.5rem 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    color: #0078DE;
	min-height: 3.0rem;
	font-size:1.0rem;
}

.language-btn:hover {
    background: rgba(0, 120, 222, 0.7);
    border-color: rgba(0, 120, 222, 1);
    color: #fff;
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-primary);
    padding: 0.5rem 0;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.language-selector:hover .language-dropdown {
    opacity: 1;
    visibility: visible;
}

.language-option {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.language-option:hover {
    background-color: rgba(0, 102, 204, 0.05);
    color: var(--primary-color);
}

.top_download {
    font-size: 0.9rem;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    color: white;
    transition: all 0.3s ease;
	background: var(--gradient-primary);
    color: var(--light-color);
	text-decoration: none;
	font-size:1.0rem;
	min-height: 3.0rem;
	display: flex;
	justify-content: center;
	align-items: center;
}

.top_download:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}



.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #349CF5;
    border-radius: 3px;
    transition: var(--transition);
}

.hero {
    padding: 12rem 0 6rem;
    position: relative;
    overflow: hidden;
	min-height: 86vh;
	display: flex;
	justify-content: center;
	align-items: center;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
	background: rgba(255,255,255,.7);
	border-radius: 2rem;
	padding: 2.5rem 3rem 3rem 3rem;
}

.hero-title {
    font-size: 3.0rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--light-color);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    box-shadow: var(--shadow-primary);
    font-size: 1.2rem;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-secondary);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    font-size: 1.2rem;
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--light-color);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
	background:url(../images/banner_pi.jpg) no-repeat;
	background-size: cover;
}

.caj-all-in-one {
    padding: 4rem 0 5rem 0;
    background-color: white;
    position: relative;
}

.caj-all-in-one::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.all-in-one-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.all-in-one-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0;
    position: relative;
    z-index: 2;
}

.all-in-one-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 2;
}

.tool-item {
    background-color: #f6fbfe;
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.tool-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.15);
}

.tool-icon {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    transition: var(--transition);
}
.tool-icon img {
	width:60%;
}
.tool-item:hover .tool-icon {
    transform: scale(1.1);
}

.tool-icon.blue {
    background-color: #e6f0ff;
    color: #0066cc;
}

.tool-icon.cyan {
    background-color: #e6f7ff;
    color: #0099cc;
}

.tool-icon.green {
    background-color: #e6f9e6;
    color: #009933;
}

.tool-icon.orange {
    background-color: #fff2e6;
    color: #ff6600;
}

.tool-icon.peach {
    background-color: #fff0e6;
    color: #ff9966;
}

.tool-icon.red {
    background-color: #ffe6e6;
    color: #cc0000;
}

.tool-icon.purple {
    background-color: #f2e6ff;
    color: #6633cc;
}

.tool-icon.light-blue {
    background-color: #e6f0ff;
    color: #3399ff;
}

.tool-name {
    font-size: 1.1rem;
    font-weight: bold;
    color: #1a1a2e;
    margin: 0;
}

@media (max-width: 1200px) {
    .all-in-one-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}







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

.showcase-left {
    position: relative;
	padding:2rem;
}

.showcase-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.15);
    transition: var(--transition);
}

.showcase-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.2);
}

.showcase-image img {
    width: 100%;
    height: auto;
    display: block;
}

.showcase-right {
    padding-left: 2rem;
}

.showcase-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    transition: var(--transition);
}

.showcase-icon img {
	width:70%;
}
.showcase-feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 1rem;
}

.showcase-feature-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 2.0rem;
    margin: 0;
}

.showcase-indicators {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 3rem;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #e0e6ed;
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    width: 24px;
    border-radius: 4px;
    background-color: var(--primary-color);
}

.application-section {
    padding: 6rem 0;
    background-color: #f0f7ff;
    position: relative;
}

.scenario-tabs {
    border-radius: 12px;
    overflow: hidden;
}

.tabs-header {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    gap: 0.5rem;
    padding: 0.5rem 0;
    background-color: transparent;
    border-radius: 12px 12px 0 0;
}

.tabs-header::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    flex: 1;
    padding: 1rem 0.75rem;
    background-color: white;
    border: 1px solid rgba(0, 102, 204, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.tab-btn:hover {
    color: var(--primary-color);
    background-color: rgba(0, 102, 204, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 102, 204, 0.1);
}

.tab-btn.active {
    color: white;
    font-weight: 600;
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    box-shadow: 0 4px 8px rgba(0, 102, 204, 0.15);
}

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

.tab-panel {
    display: none;
    padding: 3rem 0;
    animation: fadeIn 0.3s ease-out;
    background-color: transparent;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-content-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.tab-text {
    padding-right: 2rem;
}

.scenario-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}
.scenario-icon img {
	width:56%;
}

.scenario-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.scenario-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

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

.scenario-features li {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
}

.scenario-features li::before {
    content: '✓';
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

.tab-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.15);
    transition: var(--transition);
}

.tab-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 102, 204, 0.2);
}

.tab-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: var(--transition);
}

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



.advantages-section {
    padding: 6rem 0;
    background-color: white;
    position: relative;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.advantage-card {
    background-color: #f0f7ff;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(0, 102, 204, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-primary);
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}
.advantage-icon img {
	width:56%;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1);
}

.advantage-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.advantage-desc {
    color: var(--text-secondary);
    font-size: 1.0rem;
    line-height: 1.6rem;
    margin: 0;
	text-align: left;
}

.download-section {
    padding: 6rem 0;
    background-color: #f0f7ff;
    position: relative;
}

.download-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0rem;
    align-items: center;
}

.download-left {
    padding-right: 2rem;
}

.download-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.download-platforms {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: white;
    border: 1px solid rgba(0, 102, 204, 0.2);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
    border-color: var(--primary-color);
}

.download-btn .btn-icon {
    width:3.6rem;
	height:3.6rem;
}
.download-btn .btn-icon img {
	width:100%;
}

.download-btn .btn-info {
    flex: 1;
    text-align: left;
	line-height: 2.0rem;
}

.download-btn .btn-title {
    display: block;
    font-weight: 600;
    color: var(--text-color);
    font-size: 1.3rem;
}

.download-btn .btn-version {
    display: block;
    font-size: 1.0rem;
    color: var(--text-secondary);
}

.download-tips {
    display: flex;
    flex-direction: row;
    gap: 2rem;
}

.download-tips p {
    color: var(--text-secondary);
    font-size:1.0rem;
    margin: 0;
}

.download-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

.download-image {
    overflow: hidden;
    transition: var(--transition);
}

.download-image:hover {
    transform: translateY(-5px);
}

.download-image img {
    max-width: 100%;
    height: auto;
    display: block;
}


.converter-section {
    padding: 6rem 0;
    position: relative;
    background-color: white;
}

.converter-section:nth-child(even) {
    background-color: white;
}

#caj-to-image {
    background-color: #f0f7ff;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.converter-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-primary);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    border: 1px solid rgba(0, 102, 204, 0.1);
}

.upload-area {
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition);
    background-color: rgba(0, 102, 204, 0.02);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.upload-area:hover,
.upload-area.drag-over {
    background-color: rgba(0, 102, 204, 0.05);
    border-color: var(--secondary-color);
}

.upload-icon {
    width:3.0rem;
	height:3.0rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}
.upload-icon img {
	width:100%;
}

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

.upload-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.upload-desc {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.file-input {
    display: none;
}

.upload-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-primary);
	font-size:1.2rem;
}

.upload-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-secondary);
}

.options-area {
    display: flex;
    flex-direction: column;
}

.options-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.format-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.format-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    background-color: white;
}

.format-option:hover {
    border-color: var(--primary-color);
    background-color: rgba(0, 102, 204, 0.02);
}

.format-option:has(input[type="radio"]:checked) {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(0, 153, 255, 0.1));
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}

.format-option input[type="radio"] {
    display: none;
}

.format-option input[type="radio"]:checked + .format-icon {
    color: white;
}

.format-option input[type="radio"]:checked ~ .format-name {
    color: var(--primary-color);
    font-weight: 600;
}

.format-icon {
	width: 2.4rem;
	height:2.4rem;
    transition: var(--transition);
}
.format-icon img {
	width:100%;
}

.format-name {
    font-size: 1rem;
    color: var(--text-color);
    transition: var(--transition);
}

.advanced-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.checkbox-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-color);
}

.checkbox-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.quality-options {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.quality-label {
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 500;
}

.quality-slider {
    flex: 1;
    -webkit-appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
}

.quality-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    box-shadow: var(--shadow-primary);
}

.quality-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-primary);
    cursor: pointer;
    box-shadow: var(--shadow-primary);
    border: none;
}

.quality-value {
    min-width: 50px;
    text-align: right;
    font-weight: 600;
    color: var(--primary-color);
}

.page-options {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.page-label {
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 500;
}

.page-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.page-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.convert-btn {
    background: var(--gradient-secondary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-primary);
    margin-top: auto;
}

.convert-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-secondary);
}

.features-section {
    padding: 6rem 0;
    background-color: rgba(0, 102, 204, 0.03);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(0, 102, 204, 0.1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-primary);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer {
    background-color: #0a1628;
    border-top: 1px solid rgba(0, 102, 204, 0.2);
    padding: 4rem 0 2rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.brand-description {
    color: #a0aec0;
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 400px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.link-group h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.link-group h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
}

.link-group ul {
    list-style: none;
}

.link-group ul li {
    margin-bottom: 0.75rem;
}

.link-group ul li a {
    color: #a0aec0;
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
}

.link-group ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 102, 204, 0.1);
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    color: #a0aec0;
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: flex-end;
}

.social-link {
    color: #a0aec0;
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.social-link:hover {
    color: var(--primary-color);
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--light-color);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-primary);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}
.back-to-top img {
	width:66%;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-secondary);
}

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

.features-showcase {
    padding: 6rem 0;
    background-color: #f0f7ff;
    position: relative;
}

.showcase-header {
    text-align: center;
    margin-bottom: 4rem;
}

.showcase-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0;
}

.showcase-content {
    display: flex;
    align-items: center;
    gap: 0rem;
    position: relative;
}

.showcase-nav {
    width: 50px;
    height: 50px;
	position: absolute;
	z-index: 11;
	top:50%;
    border-radius: 50%;
    background-color: #f0f7ff;
    border: 1px solid rgba(0, 102, 204, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--primary-color);
    flex-shrink: 0;
}

.showcase-nav:hover {
    background-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
}
.showcase-content .prev-btn {
	left:-50px;
}
.showcase-content .next-btn {
	right:-50px;
}

.showcase-slider {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.showcase-slide {
    display: none;
    grid-template-columns: 1.5fr 1fr;
    gap: 0rem;
    align-items: center;
    animation: slideIn 0.5s ease-out;
}

.showcase-slide.active {
    display: grid;
}


@media (max-width: 992px) {
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--gradient-primary);
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        gap: 1rem;
    }

    .navbar-menu.active {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        text-align: center;
    }

    .nav-links a {
        color: rgba(255, 255, 255, 0.9);
    }

    .nav-links a:hover,
    .nav-links a.active {
        color: white;
    }

    .navbar-actions {
        flex-direction: row;
        width: 100%;
        gap: 1rem;
    }

    .language-selector,.top_download {
		flex: 1;
    }
	.language-btn {
		border-radius: 50px;
	}
	.top_download {
		background:#fff;
		color: #0099FF;
	}

    .language-btn {
        width: 100%;
        justify-content: center;
        background: rgba(255, 255, 255, 0.2);
        border: 1px solid rgba(255, 255, 255, 0.3);
        color: white;
    }

    .language-dropdown {
        left: 0;
        right: 0;
        min-width: unset;
    }

    .download-btn {
        width: 100%;
        text-align: center;
        background: transparent;
        border: 2px solid white;
        border-radius: 25px;
        color: white;
        transition: all 0.3s ease;
    }

    .download-btn:hover {
        background: white;
        color: var(--primary-color);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
    }

    .mobile-menu-btn {
        display: flex;
    }
    .all-in-one-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tool-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .tool-item {
        padding: 1.5rem 1rem;
    }
    
    .tool-name {
        font-size: 0.85rem;
    }

    .showcase-slide {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .showcase-right {
        padding-left: 0;
    }
    
    .showcase-icon {
        margin: 0 auto 1.5rem;
    }
    .tab-content-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .tab-text {
        padding-right: 0;
    }
    
    .scenario-icon {
        margin: 0 auto 1.5rem;
    }
    
    .tab-panel {
        padding: 2rem;
    }

    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .download-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .download-left {
        padding-right: 0;
    }
    
    .download-btn {
        max-width: 300px;
        margin: 0 auto;
    }

    .converter-card {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .navbar-menu.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

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

    .footer-links {
        justify-content: center;
    }
}



@media (max-width: 768px) { 
	.section-subtitle {
		font-size:1.0rem;
	}
    .all-in-one-title {
        font-size: 1.75rem;
    }
	.all-in-one-grid {
		gap:1rem;
	}
	.tool-item {
		display:flex;
		flex-direction:row;
		justify-content: center;
		align-items: center;
		gap:0.5rem;
	}
	.tool-item {
        width:100%;
    }
	.tool-icon {
		margin:0;
	}
    .features-showcase {
        padding: 4rem 0;
    }
    
    .showcase-title {
        font-size: 1.75rem;
    }
    
    .showcase-nav {
        width: 40px;
        height: 40px;
    }
	.showcase-content .prev-btn {
		left:0;
	}
	.showcase-content .next-btn {
		right:0;
	}

    .application-section {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .tab-btn {
        padding: 1rem 1.2rem;
        font-size: 1.0rem;
    }
    
    .tab-panel {
        padding: 1.5rem 0;
    }
    
    .scenario-title {
        font-size: 1.5rem;
    }
	 .scenario-desc {
        font-size: 1.0rem;
		 text-align: left;
    }

    .advantages-section,
    .download-section {
        padding: 4rem 0;
    }
    .download-title {
        font-size: 2rem;
    }
	.advantages-grid {
        grid-template-columns: repeat(2, 1fr);
		gap:1rem;
    }
	.advantage-desc {
		font-size:0.9rem;
	}
    .hero {
        padding: 10rem 0 4rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .converter-card {
        padding: 2rem;
    }

    .upload-area {
        padding: 2rem 1rem;
        min-height: 250px;
    }

    .format-options {
        grid-template-columns: 1fr;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
		padding-top: 1rem;
		gap:0.5rem;
    }

    .footer-bottom .social-links {
        justify-content: center;
    }
	.link-group h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
	margin-left: -20px;
    width: 40px;
    height: 2px;
    background: var(--gradient-primary);
    } 
	.footer {
		padding:2rem 0 1rem 0;
	}
	.footer-content {
		gap:1rem;
		margin-bottom: 1rem;
	}
}


@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }

    .converter-card {
        padding: 1.5rem;
    }

    .upload-area {
        padding: 1.5rem 1rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
    }

    
    .caj-all-in-one {
        padding: 3rem 0;
    }
    
    .all-in-one-title {
        font-size: 1.5rem;
    }   

    .features-showcase {
        padding: 3rem 0;
    }
    
    .showcase-title {
        font-size: 1.5rem;
    }
    
    .showcase-feature-title {
        font-size: 1.25rem;
    }

    .application-section {
        padding: 3rem 0;
    }
    
    .scenario-tabs {
        border-radius: 8px;
    }
    
    .scenario-icon {
        width: 60px;
        height: 60px;
    }
    
    .scenario-title {
        font-size: 1.25rem;
    }
    .scenario-features li {
        font-size: 0.9rem;
    }

    .advantages-section,
    .download-section {
        padding: 3rem 0;
    }
    .advantage-card {
        max-width: 250px;
        margin: 0 auto;
		padding:2rem 1rem;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
    }
    
    .download-title {
        font-size: 1.75rem;
    }
}