/* CSS变量 - 深蓝蓝黑主题 */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #0f172a;
    --bg-card: #1e293b;
    --bg-hover: #334155;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-sky: #38bdf8;
    --accent-sky-light: #7dd3fc;
    --accent-lake: #06b6d4;
    --accent-lake-light: #22d3ee;
    --accent-blue: #3b82f6;
    --accent-blue-light: #60a5fa;
    
    --gradient-primary: linear-gradient(135deg, #38bdf8 0%, #06b6d4 50%, #3b82f6 100%);
    --gradient-dark: linear-gradient(180deg, #0f172a 0%, #0a0e1a 100%);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(56, 189, 248, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family:"微软雅黑", 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(56, 189, 248, 0.1);
}

.nav-container {
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.logo-icon img {
    width: 100%;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.logo-subtitle {
    font-size: 12px;
    color: var(--accent-sky);
    letter-spacing: 1px;
}

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


.nav-link {
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(56, 189, 248, 0.1);
}

.nav-link.active {
    color: var(--accent-sky);
    background: rgba(56, 189, 248, 0.15);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 多语言选择器 */
.language-selector {
    position: relative;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: transparent;
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 15px;
}
.country {
	display: block;
	width:16px;
	height:16px;
	background: url(../images/golab.png) no-repeat;
	background-size:100% auto;
}

.language-btn:hover {
    background: rgba(56, 189, 248, 0.1);
    border-color: var(--accent-sky);
    color: var(--accent-sky);
}

.language-btn:hover .country {
	display: block;
	width:16px;
	height:16px;
	background: url(../images/golab_h.png) no-repeat;
	background-size:100% auto;
}

.language-btn svg {
    width: 16px;
    height: 16px;
}

.language-btn .arrow-icon {
    transition: transform 0.3s ease;
}

.language-selector:hover .arrow-icon {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: var(--radius-lg);
    padding: 8px;
    min-width: 160px;
    max-height: 300px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
    z-index: 100;
}

.language-dropdown::-webkit-scrollbar {
    width: 6px;
}

.language-dropdown::-webkit-scrollbar-track {
    background: rgba(56, 189, 248, 0.1);
    border-radius: 3px;
}

.language-dropdown::-webkit-scrollbar-thumb {
    background: var(--accent-sky);
    border-radius: 3px;
}

.language-dropdown::-webkit-scrollbar-thumb:hover {
    background: var(--accent-sky-light);
}

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

.language-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.language-option:hover {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-sky);
}

.language-option.active {
    background: rgba(56, 189, 248, 0.15);
    color: var(--accent-sky);
}

.lang-flag {
    font-size: 18px;
}

.lang-name {
    font-size: 14px;
    font-weight: 500;
}

.btn {
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--bg-hover);
}

.btn-outline:hover {
    border-color: var(--accent-sky);
    color: var(--accent-sky);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
	font-size:18px;
	text-decoration: none;
	border-radius: 30px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(56, 189, 248, 0.4);
}

.btn-large {
    padding: 14px 32px;
    font-size: 20px;
	border-radius: 30px;
}

.btn-outline-light {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn svg {
    width: 24px;
    height: 24px;
}

.mobile-language-selector {
    display: none;
}

/* Hero区域 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 140px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--accent-sky);
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--accent-lake);
    bottom: -150px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: var(--accent-blue);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 25px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

/* 软件展示区域 */
.hero-showcase {
    margin-top: 32px;
    display: flex;
    justify-content: center;
}

.showcase-frame {
    position: relative;
    width: 100%;
    min-width: 800px;
}
.showcase-frame img {
	width:100%;
}

.showcase-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    display: block;
}

.showcase-glow {
    position: absolute;
    inset: -2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.3;
    filter: blur(20px);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* 工具区域 */
.tools-section {
    padding: 100px 24px;
    background: var(--bg-secondary);
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

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

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
}

/* 工具滚动区域 */
.tools-carousel {
    position: relative;
}

.carousel-viewport {
    overflow: hidden;
    width: 100%;
}

.carousel-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s ease;
}

.carousel-column {
    display: flex;
    flex-direction: column;
    gap: 24px;
    flex: 0 0 calc((100% - 72px) / 4);
    min-width: 0;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid rgba(56, 189, 248, 0.3);
    color: var(--accent-sky);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.carousel-btn:hover {
    background: var(--accent-sky);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
}

.carousel-btn svg {
    width: 20px;
    height: 20px;
}

.arrow_l,.arrow_r {
	width: 16px;  
    height: 16px;  
    border-style: solid;  
    border-width: 2px 2px 0 0;  
    border-color: #fff;  
    -webkit-transform-origin: 75% 25%;  
    -webkit-transition: 100ms ease-in .1s;  
    transition: 100ms ease-in .1s;
	margin-top:8px;
}
.arrow_l {
	-webkit-transform: rotateZ(225deg); 
	margin-left: -12px;
}
.arrow_r {
	-webkit-transform: rotateZ(45deg); 
	margin-right: -2px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid rgba(56, 189, 248, 0.1);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: relative;
    transition: all 0.4s ease;
    cursor: pointer;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.tool-card:hover {
    transform: translateY(-8px);
    border-color: rgba(56, 189, 248, 0.3);
    box-shadow: var(--shadow-glow);
}

.tool-card:hover::before {
    opacity: 0.05;
}

.tool-icon {
    width: 64px;
    height: 64px;
    background: rgba(56, 189, 248, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.tool-icon img {
    width: 66%;
}

.tool-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.tool-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

.tool-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 4px 12px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
}

.tool-tag.hot {
    background: linear-gradient(135deg, #f97316, #ea580c);
    color: white;
}

.tool-tag.new {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

/* 水印版块 */
.watermark-section {
    padding: 100px 24px;
    background: var(--bg-secondary);
}

/* 智能抠图换背景版块 */
.cutout-section {
    padding: 100px 24px;
    background: var(--bg-primary);
}

.section-tag {
    font-size: 0.85rem;
    color: var(--accent-sky);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    display: block;
}

.watermark-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.watermark-visual {
    position: relative;
}

.compare-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: ew-resize;
    user-select: none;
}

.compare-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.compare-before {
    z-index: 1;
}

.compare-after {
    z-index: 2;
    clip-path: inset(0 50% 0 0);
}

.compare-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--bg-card);
}

.compare-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.compare-placeholder span {
    position: absolute;
    bottom: 20px;
    left: 20px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

.compare-slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 100%;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.compare-slider-line {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.compare-slider-circle {
    position: relative;
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

.compare-slider-circle svg {
    width: 16px;
    height: 16px;
    color: var(--accent-sky);
}

.compare-slider:hover .compare-slider-circle {
    transform: scale(1.1);
}

.compare-labels {
    position: absolute;
    bottom: 1rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 1rem;
    z-index: 5;
    pointer-events: none;
}

.compare-label {
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

.watermark-content {
    text-align: left;
}

.watermark-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.watermark-content p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.watermark-features {
    list-style: none;
    margin-bottom: 2rem;
}

.watermark-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    color: var(--text-secondary);
}

.watermark-features li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    font-size: 0.8rem;
    flex-shrink: 0;
}

/* 一键换背景颜色 */
.bg-color-selector {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(56, 189, 248, 0.1);
    max-width: 1200px;
    margin: 0 auto 40px;
}

.bg-color-header {
    text-align: center;
    margin-bottom: 24px;
}

.bg-color-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.bg-color-desc {
    font-size: 14px;
    color: var(--text-muted);
}

.bg-color-palette {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.bg-color-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    min-width: 80px;
}

.bg-color-option:hover {
    background: rgba(56, 189, 248, 0.05);
    border-color: rgba(56, 189, 248, 0.3);
    transform: translateY(-2px);
}

.bg-color-option.active {
    background: rgba(56, 189, 248, 0.1);
    border-color: var(--accent-sky);
}

.color-preview {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: block;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.color-name {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.bg-color-option.active .color-name {
    color: var(--accent-sky);
}

/* 一键转换多种图片格式版块 */
.format-converter-section {
    padding: 100px 24px;
    background: linear-gradient(180deg, #050810 0%, #0a0e1a 100%);
}

.format-converter-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.format-grid {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.format-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.format-card:hover {
    transform: translateY(-4px);
}

.format-circle {
    position: relative;
    width: 96px;
    height: 96px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.format-circle svg {
    width: 32px;
    height: 32px;
    color: var(--accent-sky);
}

.format-card:nth-child(1) .format-circle {
    background: rgba(249, 115, 22, 0.1);
    border: 2px solid rgba(249, 115, 22, 0.3);
}
.format-card:nth-child(1) .format-circle svg { color: #f97316; }
.format-card:nth-child(1) .format-badge { background: linear-gradient(135deg, #f97316, #ea580c); }
.format-card:nth-child(1):hover .format-circle {
    background: rgba(249, 115, 22, 0.2);
    border-color: #f97316;
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.3);
}

.format-card:nth-child(2) .format-circle {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid rgba(16, 185, 129, 0.3);
}
.format-card:nth-child(2) .format-circle svg { color: #10b981; }
.format-card:nth-child(2) .format-badge { background: linear-gradient(135deg, #10b981, #059669); }
.format-card:nth-child(2):hover .format-circle {
    background: rgba(16, 185, 129, 0.2);
    border-color: #10b981;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

.format-card:nth-child(3) .format-circle {
    background: rgba(59, 130, 246, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.3);
}
.format-card:nth-child(3) .format-circle svg { color: #3b82f6; }
.format-card:nth-child(3) .format-badge { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.format-card:nth-child(3):hover .format-circle {
    background: rgba(59, 130, 246, 0.2);
    border-color: #3b82f6;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.format-card:nth-child(4) .format-circle {
    background: rgba(139, 92, 246, 0.1);
    border: 2px solid rgba(139, 92, 246, 0.3);
}
.format-card:nth-child(4) .format-circle svg { color: #8b5cf6; }
.format-card:nth-child(4) .format-badge { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.format-card:nth-child(4):hover .format-circle {
    background: rgba(139, 92, 246, 0.2);
    border-color: #8b5cf6;
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

.format-card:nth-child(5) .format-circle {
    background: rgba(236, 72, 153, 0.1);
    border: 2px solid rgba(236, 72, 153, 0.3);
}
.format-card:nth-child(5) .format-circle svg { color: #ec4899; }
.format-card:nth-child(5) .format-badge { background: linear-gradient(135deg, #ec4899, #db2777); }
.format-card:nth-child(5):hover .format-circle {
    background: rgba(236, 72, 153, 0.2);
    border-color: #ec4899;
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.3);
}

.format-card:nth-child(6) .format-circle {
    background: rgba(6, 182, 212, 0.1);
    border: 2px solid rgba(6, 182, 212, 0.3);
}
.format-card:nth-child(6) .format-circle svg { color: #06b6d4; }
.format-card:nth-child(6) .format-badge { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.format-card:nth-child(6):hover .format-circle {
    background: rgba(6, 182, 212, 0.2);
    border-color: #06b6d4;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.3);
}

.format-card:nth-child(7) .format-circle {
    background: rgba(234, 179, 8, 0.1);
    border: 2px solid rgba(234, 179, 8, 0.3);
}
.format-card:nth-child(7) .format-circle svg { color: #eab308; }
.format-card:nth-child(7) .format-badge { background: linear-gradient(135deg, #eab308, #ca8a04); }
.format-card:nth-child(7):hover .format-circle {
    background: rgba(234, 179, 8, 0.2);
    border-color: #eab308;
    box-shadow: 0 0 20px rgba(234, 179, 8, 0.3);
}

.format-badge {
    position: absolute;
    bottom: -4px;
    right: -10px;
    padding: 4px 8px;
    color: white;
    font-size: 14px;
    font-weight: 700;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.format-circle.more {
    background: rgba(100, 116, 139, 0.2);
    border: 2px solid rgba(100, 116, 139, 0.4);
}

.format-circle.more svg {
    color: #94a3b8;
}

.format-card:hover .format-circle.more {
    background: rgba(100, 116, 139, 0.3);
    border-color: #94a3b8;
    box-shadow: 0 0 20px rgba(100, 116, 139, 0.2);
}

.format-text {
    font-size: 17px;
    color: var(--text-secondary);
    font-weight: 500;
    text-align: center;
}

.format-card:hover .format-text {
    color: var(--text-primary);
}

/* 图片创意工具版块 */
.creative-tools-section {
    padding: 100px 24px;
    background: linear-gradient(180deg, #050810 0%, #0a0e1a 100%);
}

.creative-tabs {
    display: flex;
    background: var(--bg-card);
    border: 1px solid rgba(56, 189, 248, 0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    max-width: 1200px;
    margin: 0 auto;
    height: 500px;
}

.creative-tabs-header {
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.2);
    border-right: 1px solid rgba(56, 189, 248, 0.1);
    width: 200px;
}

.creative-tab-item {
    flex: 1;
    padding: 1.25rem 0;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.creative-tab-item:hover {
    background: rgba(56, 189, 248, 0.1);
}

.creative-tab-item.active {
    background: rgba(56, 189, 248, 0.15);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
}

.creative-tab-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--accent-sky);
}

.creative-tab-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.creative-tab-item.active .creative-tab-text {
    color: var(--accent-sky);
}

.creative-tabs-content {
    flex: 1;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.creative-tab-panel {
    width: 100%;
    display: none;
    animation: fadeIn 0.3s ease;
}

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

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

.creative-panel-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--accent-sky);
}

.creative-panel-desc {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.6;
}

.creative-preview-grid {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.creative-preview-item {
    flex: 1;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.creative-preview-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(56, 189, 248, 0.2);
}

.creative-preview-label {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(56, 189, 248, 0.6);
    color: white;
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 2;
    box-shadow: 0 2px 10px rgba(56, 189, 248, 0.3);
}

.creative-preview-image {
    aspect-ratio: 3/6;
    overflow: hidden;
    background: var(--bg-secondary);
}

.creative-preview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.beauty {
	aspect-ratio: 4/3;
}

.style_all {
	aspect-ratio: 2/3;
}

/* 证件照处理版块 */
.id-photo-section {
    padding: 100px 24px;
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

.id-photo-tabs-wrapper {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(56, 189, 248, 0.1);
    max-width: 1200px;
    margin: 0 auto;
}

.id-photo-tabs-header {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(56, 189, 248, 0.1);
    padding-bottom: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.id-photo-tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: none;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.id-photo-tab-btn:hover {
    color: var(--accent-sky);
    background: rgba(56, 189, 248, 0.1);
}

.id-photo-tab-btn.active {
    background: var(--gradient-primary);
    color: white;
}

.id-photo-tabs-content {
    min-height: 280px;
}

.id-photo-tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

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

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

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

.id-photo-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.id-photo-card:hover {
    background: rgba(56, 189, 248, 0.05);
    border-color: rgba(56, 189, 248, 0.3);
}

.id-photo-card.active {
    background: rgba(56, 189, 248, 0.1);
    border-color: var(--accent-sky);
}

.id-photo-preview {
    width: 70px;
    height: 95px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: #ffffff;
    overflow: hidden;
    transition: background 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.preview-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-placeholder img {
    width:100%;
}

.id-photo-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.id-photo-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.id-photo-dimension {
    font-size: 13px;
    color: var(--text-muted);
}

.custom-panel {
    display: flex;
    gap: 48px;
    align-items: center;
    justify-content: center;
    padding: 24px 0;
}

.custom-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 240px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    padding: 12px 16px;
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: var(--radius-sm);
    font-size: 16px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-sky);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

.custom-btn {
    padding: 14px 24px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.custom-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.4);
}

.custom-preview {
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom-frame {
    width: 180px;
    height: 220px;
    border: 2px dashed rgba(56, 189, 248, 0.3);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--bg-secondary);
}

.custom-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.custom-photo {
    width: 80px;
    height: 100px;
    background: #ffffff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.custom-photo svg {
    width: 40px;
    height: 40px;
    color: #64748b;
    opacity: 0.6;
}

.custom-dimension {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-sky);
}

/* 特色功能 */
.features-section {
    padding: 100px 24px;
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    text-align: center;
    padding: 40px 32px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(56, 189, 248, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: rgba(56, 189, 248, 0.3);
    transform: translateY(-4px);
}

.feature-icon {
    width: 72px;
    height: 72px;
    background: rgba(56, 189, 248, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.feature-icon img {
	width:70%;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

/* CTA区域 */
.cta-section {
    position: relative;
    padding: 120px 24px;
    text-align: center;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.cta-bg .orb-1 {
    width: 400px;
    height: 400px;
    top: 50%;
    left: 20%;
    transform: translateY(-50%);
}

.cta-bg .orb-2 {
    width: 350px;
    height: 350px;
    top: 50%;
    right: 20%;
    transform: translateY(-50%);
}

.cta-content {
    position: relative;
    z-index: 1;
    margin: 0 auto;
    max-width: 1400px;
    padding: 0 24px;
}

.cta-content h2 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.download-section {
    display: flex;
    gap: 48px;
    align-items: center;
    justify-content: space-around;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
	width:500px;
}

.download-btn-item {
    display: flex;
    align-items: center;
	gap:20px;
    padding: 18px 28px;
    background: var(--bg-card);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 240px;
    font-size: 20px;
}

.download-btn-item:hover {
    background: rgba(56, 189, 248, 0.1);
    border-color: var(--accent-sky);
    color: var(--accent-sky);
    transform: translateX(4px);
}

.download-btn-item.recommended {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(14, 165, 233, 0.1));
    border-color: var(--accent-sky);
    color: white;
}

.download-btn-item.recommended:hover {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.3), rgba(14, 165, 233, 0.2));
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.download-btn-item.web-version {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.download-btn-item.web-version:hover {
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.4);
    transform: translateX(4px);
}

.btn-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.download-btn-item img {
    width: 48px;
    flex-shrink: 0;
}

.download-preview {
    flex-shrink: 0;
	width:600px;
}

.download-preview img {
    width: 100%;
    height: auto;
}

.recommend-tag {
    background: var(--gradient-primary);
    color: white;
    font-size: 15px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 8px;
}

/* 页脚 */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(56, 189, 248, 0.1);
    padding: 30px 24px 20px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 30px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--accent-sky);
    color: white;
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-sky);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(56, 189, 248, 0.1);
}

.footer-languages {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(56, 189, 248, 0.1);
    flex-wrap: wrap;
}

.languages-label {
    font-size: 14px;
    color: var(--text-muted);
}

.languages-list {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.lang-link {
    padding: 4px 12px;
    font-size: 15px;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.lang-link:hover {
    color: var(--accent-sky);
    background: rgba(56, 189, 248, 0.1);
}

.lang-link.active {
    color: var(--accent-sky);
    background: rgba(56, 189, 248, 0.15);
}

.languages-toggle {
    display: none;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 8px;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(56, 189, 248, 0.3);
    z-index: 1000;
}
.back-to-top img {
	width:70%;
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(56, 189, 248, 0.5);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .watermark-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .watermark-content {
        text-align: center;
    }
    
    .watermark-content h3 {
        display: none;
    }
    
    .watermark-content p {
        display: none;
    }
    
    .watermark-features {
        border: 1px dashed rgba(56, 189, 248, 0.3);
        padding: 24px 32px;
        border-radius: var(--radius-md);
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        border-top: 1px solid rgba(56, 189, 248, 0.1);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        z-index: 1000;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu .nav-link {
        padding: 15px 20px;
        border-bottom: 1px solid rgba(56, 189, 248, 0.1);
        width: 100%;
        text-align: left;
    }
    
    .nav-menu .nav-link:last-child {
        border-bottom: none;
    }
    
    .mobile-language-selector {
        display: block;
        margin-top: 10px;
        padding-top: 15px;
        border-top: 1px solid rgba(56, 189, 248, 0.1);
    }
    
    .mobile-language-header {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 12px 20px;
        color: var(--text-secondary);
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
        transition: all 0.3s ease;
        border-radius: var(--radius-sm);
    }
    
    .mobile-language-header:hover {
        background: rgba(56, 189, 248, 0.1);
        color: var(--accent-sky);
    }
    
    .mobile-language-header svg {
        width: 18px;
        height: 18px;
    }
    
    .mobile-lang-arrow {
        margin-left: auto;
        transition: transform 0.3s ease;
    }
    
    .mobile-language-header.active .mobile-lang-arrow {
        transform: rotate(180deg);
    }
    
    .mobile-language-options {
        display: none;
        flex-direction: column;
        gap: 4px;
        padding: 8px 20px;
        max-height: 200px;
        overflow-y: auto;
        animation: slideDown 0.3s ease;
    }
    
    .mobile-language-options::-webkit-scrollbar {
        width: 4px;
    }
    
    .mobile-language-options::-webkit-scrollbar-track {
        background: rgba(56, 189, 248, 0.1);
        border-radius: 2px;
    }
    
    .mobile-language-options::-webkit-scrollbar-thumb {
        background: var(--accent-sky);
        border-radius: 2px;
    }
    
    .mobile-language-options.active {
        display: flex;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .mobile-lang-option {
        padding: 10px 16px;
        text-align: left;
        color: var(--text-secondary);
        text-decoration: none;
        font-size: 14px;
        border-radius: var(--radius-sm);
        transition: all 0.3s ease;
        background: transparent;
        border: none;
    }
    
    .mobile-lang-option:hover {
        background: rgba(56, 189, 248, 0.1);
        color: var(--accent-sky);
    }
    
    .mobile-lang-option.active {
        background: rgba(56, 189, 248, 0.15);
        color: var(--accent-sky);
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .hero-stats {
        gap: 40px;
    }
}

@media (max-width: 768px) {
	.logo-icon {
		width:40px;
		height: 40px;
	}
	.logo-title {
		font-size:18px;
	}
	.nav-content {
		width:100%;
		display: grid;
  grid-template-columns: repeat(2, 1fr); 
  gap: 20px;
	}
	.nav-menu .nav-link {
		border-bottom:none;
		padding:10px 0;
		text-align: center;
	}
	
	.mobile-language-selector {
		border-top:none;
		width:100%;
	}
	.mobile-language-header {
		background:rgba(255,255,255,.1);
		border-radius: 30px;
	}
	.mobile-language-options.active {
		background:rgba(0,153,255,.1);
		margin-top: 5px;
	}
	
    .nav-actions {
        display: none;
    }
    
    .download-section {
        flex-direction: column;
        gap: 32px;
    }
    
    .download-preview {
		width: 100%;
        order: -1;
    }
    
	.cta-content {
		padding:0;
	}
	
    .download-preview img {
        width: 100%;
    }
	
	.download-buttons {
		width:100%;
	}
    
    .download-btn-item {
        min-width: 100%;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .creative-tabs {
        flex-direction: column;
        height: auto;
    }
    
    .creative-tabs-header {
        flex-direction: row;
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(56, 189, 248, 0.2);
    }
    
    .creative-tab-item {
        flex: 1;
        padding: 1rem;
    }
    
    .creative-tab-item.active::before {
        left: 0;
        top: auto;
        bottom: 0;
        width: 100%;
        height: 3px;
    }
    
    .creative-preview-grid {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
	.footer-grid {
		display:none;
	}
	.footer-languages {
		border-bottom:none;
		margin-bottom: 10px;
		padding-bottom: 10px;
		flex-direction: column;
		gap: 16px;
	}
	.languages-list {
		max-height: 72px;
		overflow: hidden;
		transition: max-height 0.3s ease;
	}
	.languages-list.expanded {
		max-height: 500px;
	}
	.languages-toggle {
		display: block;
		padding: 8px 20px;
		background: transparent;
		border: 1px solid rgba(56, 189, 248, 0.3);
		border-radius: 20px;
		color: var(--accent-sky);
		font-size: 14px;
		cursor: pointer;
		transition: all 0.3s ease;
	}
	.languages-toggle:hover {
		background: rgba(56, 189, 248, 0.1);
		border-color: var(--accent-sky);
	}
	.footer-bottom {
		padding-top:20px;
	}
	.tools-section, .format-converter-section, .watermark-section, .cutout-section, .id-photo-section, .creative-tools-section, .features-section {
		padding:60px 25px;
	}
	.cta-section {
		padding:60px 25px;
	}
	.back-to-top {
		right:10px;
	}
}

@media (max-width: 1400px) {
    .carousel-column {
        flex: 0 0 calc((100% - 48px) / 3);
    }
}

@media (max-width: 1024px) {
    .carousel-column {
        flex: 0 0 calc((100% - 24px) / 2);
    }
    
    .id-photo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .custom-panel {
        flex-direction: column;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .carousel-column {
        flex: 0 0 100%;
    }
    
    .carousel-track {
        gap: 16px;
    }
    
    .bg-color-selector {
        padding: 20px;
    }
    
    .bg-color-palette {
        gap:20px;
    }
    
    .bg-color-option {
        padding: 10px 12px;
        min-width: 70px;
    }
    
    .color-preview {
        width: 32px;
        height: 32px;
    }
    
    .color-name {
        font-size: 12px;
    }
    
    .format-flow {
        flex-direction: column;
        gap: 24px;
    }
    
    .format-grid {
        display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
    }

    
    .id-photo-grid {
        grid-template-columns: 1fr;
    }
    
    .id-photo-tabs-wrapper {
        padding: 20px;
    }
    
    .id-photo-tabs-header {
        display: grid;
  grid-template-columns: repeat(2, 1fr); 
  gap: 10px;
    }
	
	.creative-preview-image {
		aspect-ratio: 2 / 2;
	}
	.creative-preview-image img {
    width: 100%;
		height: auto;
}
    
    .id-photo-tab-btn {
        padding: 10px 16px;
        font-size: 16px;
    }
    
    .nav-actions {
        display: none;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
    }
	.feature-card {
		padding:20px 10px;
	}
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .tool-card {
        padding: 20px;
		display: flex;
		flex-direction: column;
		justify-content: center;
		align-items: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 16px;
        height: 64px;
    }
    
    .logo-subtitle {
        display: none;
    }
    
    .carousel-btn {
        width: 40px;
        height: 40px;
    }
}

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

.tool-card {
    animation: fadeInUp 0.6s ease forwards;
}

.tool-card:nth-child(1) { animation-delay: 0.05s; }
.tool-card:nth-child(2) { animation-delay: 0.1s; }
.tool-card:nth-child(3) { animation-delay: 0.15s; }
.tool-card:nth-child(4) { animation-delay: 0.2s; }
.tool-card:nth-child(5) { animation-delay: 0.25s; }
.tool-card:nth-child(6) { animation-delay: 0.3s; }
.tool-card:nth-child(7) { animation-delay: 0.35s; }
.tool-card:nth-child(8) { animation-delay: 0.4s; }
.tool-card:nth-child(9) { animation-delay: 0.45s; }
.tool-card:nth-child(10) { animation-delay: 0.5s; }
.tool-card:nth-child(11) { animation-delay: 0.55s; }
.tool-card:nth-child(12) { animation-delay: 0.6s; }
.tool-card:nth-child(13) { animation-delay: 0.65s; }