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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f0f9ff 0%, #faf5ff 100%);
    min-height: 100vh;
}

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

.navbar {
    background: transparent;
    backdrop-filter: blur(10px);
    box-shadow: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    max-width: 100%;
	gap:1rem;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #0ea5e9;
	min-width: 250px;
}

.logo i {
    width: 3.2rem;
	height:3.2rem;
    margin-right: 10px;
    background: linear-gradient(45deg, #0ea5e9, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.logo i img {
	width:100%;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 100%;
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-left: auto;
}

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

.language-selected {
    padding: 12px 40px 12px 25px;
    border: 1px solid transparent;
    border-radius: 25px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(139, 92, 246, 0.1));
    font-size: 1.1rem;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    height: 2.8rem;
	line-height: 2.8rem;
    display: flex;
    align-items: center;
	justify-content: center;
    user-select: none;
	position: relative;
	z-index: 1;
}

.language-selected:hover {
    border-color: #0ea5e9;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(139, 92, 246, 0.15));
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.2);
    transform: translateY(-1px);
}

.language-selected .fa-chevron-down {
	position: absolute;
    top: 50%; 
	margin-top: -2px;
    right: 15px;  
    width: 10px;  
    height: 10px;  
    border-style: solid;  
    border-width: 2px 2px 0 0;  
    border-color: #2E92EC;  
    -webkit-transform-origin: 75% 25%;  
    -webkit-transform: rotateZ(45deg);  
    -webkit-transition: 100ms ease-in .1s;
	transition: transform 0.3s ease;
}

.language-selector.active .language-selected .fa-chevron-down {
	-webkit-transform: rotateZ(135deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 160px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    overflow: hidden;
    z-index: 1000;
}

.language-selector.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    color: #333;
    font-weight: 500;
}

.language-option:hover {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(139, 92, 246, 0.1));
    color: #0ea5e9;
}

.language-option:first-child {
    border-radius: 15px 15px 0 0;
}

.language-option:last-child {
    border-radius: 0 0 15px 15px;
}

.flag-icon {
    font-size: 1.2rem;
}

.navbar.scrolled .language-selected {
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 8px 15px;
    border-radius: 20px;
	font-size:1.2rem;
}

.nav-menu a:hover {
    color: #0ea5e9;
    background: rgba(14, 165, 233, 0.1);
}

.nav-menu a.active {
    color: #0ea5e9;
    background: rgba(14, 165, 233, 0.1);
    font-weight: 600;
}

.btn-primary {
    background: linear-gradient(45deg, #0ea5e9, #8b5cf6);
    color: white !important;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 8px;
	font-size:1.1rem;
	height:2.6rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
    background: linear-gradient(45deg, #0284c7, #7c3aed);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: #0ea5e9 !important;
    border: 2px solid #0ea5e9;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
	height:2.6rem;
}

.btn-secondary:hover {
    background: #0ea5e9;
    color: white !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.mobile-menu {
    display: none;
    width: 45px;
    height: 45px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(139, 92, 246, 0.1));
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    cursor: pointer;
    color: #0ea5e9;
    transition: all 0.3s ease;
    position: relative;
}

.mobile-menu span {
    display: block;
    position: absolute;
    width: 25px;
    height: 3px;
    background: #0ea5e9;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu span:nth-child(1) {
    transform: translateY(-8px);
}

.mobile-menu span:nth-child(2) {
    transform: translateY(0);
}

.mobile-menu span:nth-child(3) {
    transform: translateY(8px);
}

.mobile-menu.active span:nth-child(1) {
    transform: rotate(45deg) translateY(0);
}

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

.mobile-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(0);
}

.mobile-menu:hover {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(139, 92, 246, 0.2));
    transform: scale(1.05);
}

.mobile-menu:active {
    transform: scale(0.95);
}

.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #faf5ff 100%);
    position: relative;
    overflow: hidden;
	height:80vh;
}

.hero::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 1440 320"><path fill="%2310b98110" fill-opacity="1" d="M0,224L48,218.7C96,213,192,203,288,181.3C384,160,480,128,576,133.3C672,139,768,181,864,181.3C960,181,1056,139,1152,138.7C1248,139,1344,181,1392,202.7L1440,224L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: 50% auto;
    background-position: 0% 100%;
    background-repeat: repeat-x;
    z-index: 0;
    animation: wave 20s linear infinite;
}

@keyframes wave {
    0% {
        background-position: 0% 100%;
    }
    100% {
        background-position: -50% 100%;
    }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0px;
    align-items: center;
    position: relative;
    z-index: 1;
	height:100%;
}

.hero-content {
	display:flex;
	flex-direction: column;
	gap:3rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: bold;
    background: linear-gradient(45deg, #0ea5e9, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    color: #666;
    line-height: 2.0rem;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
	flex:1;
}

.hero-primary,  .hero-secondary {
	padding:1rem 2rem;
	font-weight: bold;
	border-radius: 5rem;
	font-size:1.2rem;
	background: linear-gradient(45deg, #0ea5e9, #8b5cf6);
    color: white !important;
    border: none;
	text-decoration: none;
}
.hero-secondary {
	background: rgba(255, 255, 255, 0.9);
    color: #0ea5e9 !important;
    border: 1px solid #0ea5e9;
    transition: all 0.3s ease;
}
.hero-secondary:hover {
	background:#0ea5e9;
	color:#fff!important;
}

.hero-stats {
    display: flex;
    gap: 30px;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.stat-item {
    text-align: center;
}

.stat-item i {
    font-size: 1.5rem;
    color: #0ea5e9;
    margin-bottom: 10px;
}

.stat-item span {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

.hero-image {
    position: relative;
	width:700px;
}

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

.hero-image img:hover {
    transform: translateY(-10px);
}

.tools {
    padding: 100px 0;
    background: white;
}

.upload-section {
    text-align: center;
}

.upload-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 40px;
    color: #333;
}

.upload-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.upload-btn {
    padding: 1.0rem 2.2rem;
    border: 2px solid #e5e7eb;
    border-radius: 5rem;
    background: white;
    color: #333;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-btn:hover {
    border-color: #0ea5e9;
    color: #0ea5e9;
	font-weight: bold;
}

.upload-btn.active {
    background: #0ea5e9;
    color: white;
	font-weight: bold;
    border-color: #0ea5e9;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.upload-content {
    max-width: 1000px;
    margin: 0 auto;
}

.tab-content {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    animation: fadeInUp 0.5s ease forwards;
}

.tab-content.active {
    display: grid;
}

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

.image-item {
    position: relative;
    background: #f9fafb;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.image-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(14, 165, 233, 0.1);
}

.image-item img {
    width: 100%;
    height: 120px;
    object-fit: contain;
    border-radius: 8px;
}

.upload-info {
    text-align: left;
}

.upload-info h3 {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 3rem;
    color: #333;
}

.upload-info p {
    color: #666;
    line-height: 2.0rem;
    margin-bottom: 30px;
    font-size: 1.2rem;
}

.download-btn {
    background: #0ea5e9;
    color: white;
    border: none;
    padding: 1rem 3rem;
    border-radius: 5rem;
    font-weight: bold;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
    background: #0284c7;
}

.batch-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #e6f7ff, #f0f9ff, #f8fafc);
}

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

.batch-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    color: #333;
    margin: 0;
}

.batch-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.batch-tabs {
    display: flex;
    flex-direction: column;
    gap: 15px;
	justify-content: center;
	
}

.batch-tab-btn {
    padding: 20px;
    border: none;
    border-radius: 10px;
    background: none;
    color: #333;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tab-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: #333;
}

.tab-desc {
    font-size: 1.1rem;
    color: #666;
    line-height: 2.0rem;
}

.batch-tab-btn.active .tab-title {
    color: white;
}

.batch-tab-btn.active .tab-desc {
    color: rgba(255, 255, 255, 0.9);
}

.batch-tab-btn:hover {
    background: rgba(14, 165, 233, 0.1);
    color: #0ea5e9;
}

.batch-tab-btn.active {
    background: #0ea5e9;
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.batch-tab-content {
    display: none;
	position: relative;
}

.batch-tab-content.active {
    display: block;
}

.batch-images {
    margin-bottom: 30px;
	height:100%;
}

.image-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
	height:100%;
}

.image-item-3 {
    position: relative;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
	height:100%;
}

.image-item-3:hover {
    box-shadow: 0 5px 20px rgba(14, 165, 233, 0.5);
}

.image-item-3 img {
	width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
}

.file-size {
    position: absolute;
    left: 10px;
    background: rgba(255, 255, 255, 0.5);
    padding: 5px 10px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: bold;
    color: #333;
    z-index: 2;
}

.file-size-top {
	top:10px;
}
.file-size-bottom {
	bottom:10px;
}

.batch-features {
    padding:0;
	position:absolute;
	z-index: 19;
	width:100%;
	left: 0;
	bottom:60px;
	text-align: center;
}

.batch-features .download-btn {
    background: #0ea5e9;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 5rem;
    font-weight: bold;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.batch-features .download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
    background: #0284c7;
}

.watermark-section {
    padding: 100px 0;
    background: white;
}

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

.watermark-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.watermark-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
}

.watermark-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.watermark-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.comparison-item {
    flex: 1;
    min-width: 300px;
    background: #f2f2f2;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.comparison-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(14, 165, 233, 0.1);
}

.comparison-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.comparison-item img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    border-radius: 10px;
}

.comparison-arrow {
    font-size: 2rem;
    color: #0ea5e9;
    margin: 0 20px;
}

.watermark-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.watermark-feature-item {
    background: #f3fafd;
    padding: 30px;
    border-radius: 15px;
    transition: all 0.3s ease;
    text-align: center;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.watermark-feature-item.active {
    background: #0ea5e9;
    color: white;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.watermark-feature-item.active i {
    color: white;
}

.watermark-feature-item.active h3 {
    color: white;
}

.watermark-feature-item.active p {
    color: rgba(255, 255, 255, 0.9);
}

.watermark-feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(14, 165, 233, 0.1);
}

.watermark-feature-item i {
    font-size: 2rem;
    color: #0ea5e9;
    margin-bottom: 20px;
}

.watermark-feature-item h3 {
    font-size: 1.6rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 1rem;
}

.watermark-feature-item p {
    color: #666;
    line-height: 1.8rem;
    font-size: 1.1rem;
}

.watermark-content .download-btn {
    margin-top: 20px;
}

.api-section {
    padding: 100px 0;
    background: #fafcff;
    position: relative;
    overflow: hidden;
}

.api-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.5) 0%, rgba(59, 130, 246, 0.2) 40%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.api-section .container {
    position: relative;
    z-index: 1;
}

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

.api-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
}

.api-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.api-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.api-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.api-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.api-item.active {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    color: white;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.api-item.active h3,
.api-item.active p {
    color: white;
}

.api-item.active .api-icon {
    background: rgba(255, 255, 255, 0.3);
}

.api-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: white;
}
.api-icon img {
	width:70%;
}

.api-icon.yellow {
    background: #ffd166;
}

.api-icon.pink {
    background: #fcbce2;
}

.api-icon.blue {
    background: #7cbcf7;
}

.api-icon.purple {
    background: #d8c8fd;
}

.api-icon.red {
    background: #ff6b6b;
}

.api-icon.green {
    background: #9de4cd;
}

.api-item h3 {
    font-size: 1.6rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

.api-item p {
    color: #666;
    line-height: 1.8rem;
    font-size: 1.1rem;
}

.features {
    padding: 100px 0;
    background: #fafbfc;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #333;
    text-align: center;
}

.section-header p {
    font-size: 1.2rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
	text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin: 5rem 0;
    align-items: start;
}

.feature-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: left;
    transition: all 0.3s ease;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    position: relative;
    padding-top: 60px;
}

.feature-item:nth-child(2),
.feature-item:nth-child(4) {
    margin-top: 30%;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    position: absolute;
    top: -40px;
    left: 30px;
}
.feature-icon img {
	width:64%;
}

.feature-icon.pink {
    background: #ff6b6b;
}

.feature-icon.yellow {
    background: #ffd166;
}

.feature-icon.purple {
    background: #8b5cf6;
}

.feature-icon.blue {
    background: #06b6d4;
}

.feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.feature-item h3 {
    font-size: 1.6rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #333;
}

.feature-item p {
    color: #666;
    line-height: 2.0rem;
    font-size: 1.1rem;
}

.feature-link {
    color: #0ea5e9;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.feature-link:hover {
    text-decoration: underline;
}

.p_btn_primary {
	background: #4f46e5;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
    padding: 1rem 3rem;
    font-size: 1.2rem;
    font-weight: bold;
    height: auto;
    border-radius: 5rem;
	color: white !important;
    border: none;
	text-decoration: none;
    transition: all 0.3s ease;
	display: inline-flex;
    align-items: center;
    gap: 8px;
}
.p_btn_primary:hover {
    background: #4338ca;
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.feature-button {
    text-align: center;
}

.feature-button .btn-primary {
    background: #4f46e5;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
    padding: 1rem 3rem;
    font-size: 1.2rem;
	font-weight: bold;
	height: auto;
	border-radius: 5rem;
}

.feature-button .btn-primary:hover {
    background: #4338ca;
    box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.workflow {
    padding: 100px 0;
    background: white;
}

.workflow-steps {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 60px;
}

.step-item {
    flex: 1;
    min-width: 250px;
    background: linear-gradient(135deg, #f0f9ff 0%, #faf5ff 100%);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
}

.step-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(14, 165, 233, 0.2);
}

.step-image {
    width: 100%;
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.step-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.step-item h3 {
    font-size: 1.6rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

.step-item p {
    color: #666;
    line-height: 1.8rem;
	font-size:1.1rem;
}

.step-arrow {
    display: none;
    font-size: 1.5rem;
    color: #10b981;
    margin: 0 20px;
}

.scenarios {
    padding: 100px 0;
    background: white;
}

.scenarios-wrapper {
    display: flex;
    gap: 30px;
    margin-top: 60px;
    align-items: stretch;
}

.scenarios-column{
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.scenarios-column.center{
    align-items: center;
}

.scenario-item{
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.scenario-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.scenario-item:hover .scenario-overlay {
    background: rgba(255, 255, 255, 0.75);
}

.scenario-content {
    position: relative;
    z-index: 1;
}

.scenario-item.large{
    flex: 1;
    width: 100%;
}

.scenario-item:hover{
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(14, 165, 233, 0.2);
}

.scenario-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #0ea5e9, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}
.scenario-icon img {
	width:70%;
}

.scenario-item h3 {
    font-size: 1.6rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #111;
}

.scenario-item p {
    color: #444;
    line-height: 1.8rem;
	font-size:1.1rem;
}

.download {
    padding: 100px 0;
    background: linear-gradient(45deg, #0ea5e9, #8b5cf6);
    color: white;
    text-align: center;
}

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

.download-content p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 35px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.download-buttons .btn-primary,
.download-buttons .btn-secondary {
    padding: 1rem 3rem;
    font-size: 1.3rem;
    font-weight: 700;
    border-radius: 35px;
    min-width: 220px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    letter-spacing: 0.5px;
	height: auto;
}

.download-buttons .btn-primary {
    background: white;
    color: #0ea5e9 !important;
    border: 3px solid white;
}

.download-buttons .btn-primary:hover {
    background: #f0f9ff;
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
    border-color: #f0f9ff;
}

.download-buttons .btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white !important;
    border: 3px solid white;
    backdrop-filter: blur(15px);
}

.download-buttons .btn-secondary:hover {
    background: white;
    color: #0ea5e9 !important;
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.3);
}

.download-info {
    margin-top: 30px;
    font-size: 0.9rem;
    opacity: 0.8;
}

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

.footer {
    background: #1e293b;
    color: white;
    padding: 80px 0 40px;
}

.footer-content{
    display: flex;
    justify-content: space-between;
    gap: 10rem;
    margin-bottom: 40px;
}

.footer-logo-section {
    flex: 0 0 350px;
	display: flex;
	flex-direction: column;
	gap:1rem;
	line-height: 2.0rem;
}

.footer-links-section {
    display: flex;
    gap: 6rem;
    flex: 1;
	align-items: center;
	justify-content: inherit;
}

.footer-section{
	padding-right:1rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: #0ea5e9;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: #0ea5e9;
    padding-left: 5px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.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: white;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #0ea5e9;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .hero-stats {
        justify-content: center;
    }

    .upload-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .tab-content {
        display: none;
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .tab-content.active {
        display: grid;
    }

    .image-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .image-grid img {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }

    .upload-info {
        text-align: center;
    }

    .upload-info h3 {
        font-size: 1.5rem;
    }

    .upload-info p {
        font-size: 1rem;
    }

    .batch-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }


    .workflow-steps {
        flex-direction: column;
        gap: 40px;
    }

    .step-arrow {
        display: none;
    }

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

    .download-buttons a {
        width: 200px;
        justify-content: center;
    }
}

@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .feature-item:nth-child(2),
    .feature-item:nth-child(4) {
        margin-top: 0;
    }
}

@media (max-width: 768px) {
	.hero-content {
		gap:2rem;
	}
	.hero .container {
		max-width:100%;
	}
	.hero-image {
		width:100%;
	}
	.tab-content {
		display: none;
		flex-direction:column;
	}
	.tab-content.active {
		display: grid;
		flex-direction:column;
	}
	.scenarios-wrapper {
		display: flex;
		flex-direction:column;
		margin-top: 2rem;
	}
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        opacity: 0;
        transition: all 0.3s ease;
        gap: 0;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-menu {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        align-items: center;
    }

    .nav-menu a {
        width: 200px;
        text-align: center;
        padding: 10px 20px;
    }

    .nav-right {
        flex-direction: row;
        gap: 15px;
        margin-top: 20px;
        width: 100%;
        align-items: center;
		justify-content: center;
		flex: 1;
    }

    .language-selector, .btn-primary {
		width: 45%;
		text-align: center;
		justify-content: center;
		font-size:1.0rem;
		padding:0;
    }
	

    .language-selected { 
        justify-content: center;
    }

    .language-dropdown {
        right: 50%;
        transform: translateX(50%) translateY(-10px);
    }

    .language-selector.active .language-dropdown {
        transform: translateX(50%) translateY(0);
    }

    .mobile-menu {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
		height:80vh;
    }

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

    .hero-buttons {
        flex-direction: row;
        align-items: center;
		justify-content: center;
		margin-bottom: 0;
    }
	
	.hero-primary, .hero-secondary {
		font-size:1.1rem;
	}

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

    .upload-title {
        font-size: 1.8rem;
    }

    .batch-header h2,.watermark-header h2 {
        font-size: 1.8rem;
    }

    .upload-buttons {
        flex-direction: row;
        align-items: center;
		gap:0.5rem;
		margin-bottom: 2.5rem;
    }
	.upload-btn {
		padding:0.7rem 1rem;
		font-size:1.0rem;
	}
	.upload-info h3 {
		margin-bottom: 1rem;
	}
    .image-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .image-grid-3 {
        gap:0.5rem;
    }
	.batch-features {
		bottom:90px;
	}
	.batch-features .download-btn {
		padding:0.6rem 1.3rem;
		font-size:1.0rem;
	}

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

    .tools, .features, .workflow, .scenarios, .download, .batch-section {
        padding: 4rem 0;
    }

    .api-grid {
        display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
    }

    .api-item {
        padding: 20px;
    }

    .api-icon {
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }

    .api-item h3 {
        font-size: 1.3rem;
    }

    .api-item p {
        font-size: 0.9rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
		margin-bottom: 1.5rem;
    }

    .footer-logo-section {
        flex: none;
        width: 100%;
        text-align: center;
    }

    .footer-links-section {
        flex-direction: row;
        gap: 30px;
        width: 100%;
    }

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

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

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
	.batch-content {
		padding:15px;
	}
	.batch-tab-btn {
		padding:15px;
	}
	.tab-title {
		font-size:1.0rem;
		font-weight: normal;
	}
	.batch-tabs {
		gap:0px;
        flex-direction: row;
        align-items: center;
    }
	.image-item-3 {
		height:300px;
	}
	
	.watermark-features {
		display:flex;
		flex-direction: row;
		gap:0.5rem;
		margin-bottom: 1.5rem;
		flex:1;
	}
	.watermark-feature-item {
		padding:1rem 0.5rem;
		flex:1;
		justify-content: center;
		align-items: center;
	}
	.watermark-feature-item h3 {
		font-size:1.1rem;
		margin-bottom: 0;
	}
	.watermark-feature-item p {
		display:none;
	}
	.feature-item h3 {
	font-size:1.3rem;	
	}
	.feature-item p {
		font-size:1.0rem;
		line-height: 1.8rem;
	}
	.watermark-section,.api-section {
		padding:4rem 0;
	}
	.download-content h2 {
		font-size:1.8rem;
	}
	.download-buttons .btn-primary,.download-buttons .btn-secondary {
		width:70%;
	}
	.footer {
		padding:1.5rem 0;
	}
	.footer-logo-section p {
		text-align:left;
	}
	.footer-bottom {
		padding-top:1rem;
	}
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }

    .navbar .container {
        padding: 15px 20px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

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

     .step-item, .scenario-item {
        padding: 30px;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }
    .tab-content {
        display: none;
        gap: 20px;
    }

    .tab-content.active {
        display: grid;
    }

    .image-grid img {
        max-width: 100%;
    }

    .upload-info h3 {
        font-size: 1.3rem;
    }

    .upload-info p {
        font-size: 0.95rem;
        line-height: 1.6;
    }

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

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

    .stat-item {
        flex: 1;
        min-width: 100px;
    }

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

   
	.tab-desc {
		display:none;
	}

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

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

    .watermark-content {
        flex-direction: column;
        gap: 30px;
    }

    .watermark-preview {
        width: 100%;
    }

    .watermark-options {
        width: 100%;
    }

    .download-content {
        flex-direction: column;
        gap: 30px;
    }

    .download-info {
        width: 100%;
    }

    .download-image {
        width: 100%;
    }

    .download-btn {
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }
}

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

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

::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #0ea5e9, #8b5cf6);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #0284c7, #7c3aed);
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(45deg, #0ea5e9, #8b5cf6);
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}
.back-to-top img {
	width:70%;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.4);
    background: linear-gradient(45deg, #0284c7, #7c3aed);
}

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