/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4361ee;
    --primary-dark: #3a56d4;
    --primary-light: #4895ef;
    --secondary-color: #7209b7;
    --accent-color: #4cc9f0;
    --text-dark: #1a1d2f;
    --text-light: #6c757d;
    --bg-light: #f8f9fa;
    --bg-dark: #161a2b;
    --success: #2ecc71;
    --warning: #f39c12;
    --danger: #e74c3c;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --shadow-primary: 0 5px 15px rgba(67, 97, 238, 0.25);
    --shadow-secondary: 0 5px 15px rgba(114, 9, 183, 0.25);
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --font-sans: 'Inter', 'SF Pro Display', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
}

body {
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: 0.01em;
    font-size: 16px;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

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

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: var(--text-dark);
    transition: var(--transition);
}

a:hover {
    color: var(--primary-color);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 16px;
    line-height: 1.4;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: transparent;
    transition: var(--transition);
}

.btn:hover::after {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(67, 97, 238, 0.35);
}

.btn-secondary {
    background: var(--white);
    color: var(--text-dark);
    border: 1px solid var(--gray-300);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.btn-secondary:hover {
    background: var(--gray-100);
    border-color: var(--gray-400);
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0,0,0,0.08);
}

.btn-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 14px 32px;
    font-size: 18px;
    font-weight: 700;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md), 0 4px 15px rgba(67, 97, 238, 0.3);
    letter-spacing: 0.02em;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 8px 20px rgba(67, 97, 238, 0.4);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.04);
    color: var(--text-dark);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.btn-icon:hover {
    background: rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

/* Header */
header {
    background-color: var(--white);
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--gray-200);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    flex-direction: column;
    position: relative;
}

.logo h1 {
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0;
    letter-spacing: -0.02em;
    position: relative;
}

.logo h1::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    right: -10px;
    top: 8px;
    box-shadow: 0 0 10px var(--accent-color);
}

.logo p {
    font-size: 13px;
    color: var(--text-light);
    letter-spacing: 0.02em;
    font-weight: 500;
    line-height: 1.2;
}

nav ul {
    display: flex;
    gap: 24px;
}

nav ul li a {
font-weight: 600;
padding: 5px 0;
position: relative;
font-size: 15px;
color: var(--text-dark);
opacity: 0.85;
transition: all 0.25s ease;
}

nav ul li a::after {
content: '';
position: absolute;
left: 0;
bottom: -4px;
width: 0;
height: 3px;
background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
transition: width 0.3s ease;
border-radius: 3px;
}

nav ul li a:hover {
opacity: 1;
transform: translateY(-1px);
}

nav ul li a:hover::after,
nav ul li a.active::after {
width: 100%;
}

nav ul li a.active {
opacity: 1;
font-weight: 700;
}

.auth-buttons {
display: flex;
gap: 12px;
}

/* Hero Section */
.hero {
padding: 70px 0;
background: linear-gradient(to right, #f9f9f9, #edf7fd);
}

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

.hero-content {
flex: 1;
max-width: 600px;
}

.hero-content h2 {
font-size: 42px;
font-weight: 700;
color: #333;
margin-bottom: 20px;
line-height: 1.2;
}

.hero-content p {
font-size: 18px;
color: #666;
margin-bottom: 30px;
line-height: 1.5;
}

.hero-image {
flex: 1;
max-width: 500px;
animation: float 6s ease-in-out infinite;
}

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

/* Section Styles */
section {
padding: 50px 0;
}

.section-title {
text-align: center;
font-size: 32px;
font-weight: 700;
margin-bottom: 50px;
color: #333;
position: relative;
}

.section-title:after {
content: '';
position: absolute;
bottom: -15px;
left: 50%;
transform: translateX(-50%);
width: 60px;
height: 3px;
background: #3498db;
}

/* Generator Section */
.generator {
background-color: var(--white);
padding: 20px 0;
position: relative;
}

.generator::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
height: 1px;
background: linear-gradient(90deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.06) 50%, rgba(0,0,0,0) 100%);
}

.generator-container {
display: flex;
gap: 24px;
align-items: stretch;
}

.upload-preview .remove-image:hover {
transform: scale(1.1);
box-shadow: var(--shadow-md);
}

.input-panel {
flex: 1;
background: var(--white);
border-radius: var(--border-radius-lg);
padding: 28px;
box-shadow: var(--shadow-md);
display: flex;
flex-direction: column;
border: 1px solid rgba(0,0,0,0.04);
margin-right: 0;
}

.form-group {
margin-bottom: 18px;
}

.form-group label {
display: block;
margin-bottom: 8px;
font-weight: 600;
color: var(--text-dark);
font-size: 15px;
letter-spacing: 0.01em;
}

.form-row {
display: flex;
gap: 24px;
margin-bottom: 18px;
}

.form-group.half {
flex: 1;
}

label {
display: block;
margin-bottom: 8px;
font-weight: 600;
color: var(--text-dark);
font-size: 15px;
}

input, select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-md);
    font-size: 15px;
    color: var(--text-dark);
    background: var(--white);
    transition: var(--transition);
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.03);
    font-family: var(--font-sans);
}

textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-md);
    font-size: 15px;
    color: var(--text-dark);
    background: var(--white);
    transition: var(--transition);
    font-family: var(--font-sans);
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    /* 取消下拉选择框的阴影效果 */
    box-shadow: none;
    background-color: var(--white);
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--white);
}

textarea {
    min-height: 100px;
    resize: vertical;
    line-height: 1.6;
    padding-top: 12px;
}

/* 优化的下拉选择控件样式 */
select {
    position: relative;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 40px;
    cursor: pointer;
    transition: all 0.25s ease;
}

select:hover {
    border-color: var(--primary-color);
    background-color: var(--gray-100);
    /* 取消鼠标经过时的移动效果 */
    transform: none;
}

.select-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.select-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 40px;
    pointer-events: none;
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    transition: all 0.25s ease;
}

.select-wrapper:hover::after {
    background-color: rgba(67, 97, 238, 0.08);
}

/* 下拉选择控件的动画和焦点状态 */
.select-wrapper.select-focused {
    z-index: 2;
}

.select-wrapper.select-focused select {
    border-color: var(--primary-color);
    /* 取消下拉选择框焦点时的阴影效果 */
    box-shadow: none;
}

.select-wrapper.select-changed::after {
    background-color: rgba(67, 97, 238, 0.12);
    animation: selectPulse 0.5s ease;
}

/* 取消选择脉冲动画效果 */
@keyframes selectPulse {
    0% { background-color: transparent; }
    100% { background-color: transparent; }
}

/* 下拉选项样式优化 */
select option {
    padding: 10px;
    font-size: 15px;
}

.toggle-group {
    display: flex;
    background: var(--gray-100);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    padding: 4px;
    border: 1px solid var(--gray-200);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.02);
}

.toggle-btn {
    flex: 1;
    padding: 12px 16px;
    text-align: center;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    border-radius: calc(var(--border-radius-md) - 2px);
    font-size: 15px;
    color: var(--text-light);
    position: relative;
    overflow: hidden;
}

.toggle-btn.active {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: var(--shadow-sm);
    font-weight: 700;
}

.toggle-btn:hover:not(.active) {
    background: rgba(255,255,255,0.5);
    color: var(--text-dark);
}

.color-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 6px;
    padding: 8px;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.color-option {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    position: relative;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transform: scale(1);
}

.color-option::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1);
    pointer-events: none;
}

.color-option.selected {
    border-color: var(--white);
    transform: scale(1.15);
    box-shadow: 0 0 0 2px var(--primary-color), 0 3px 6px rgba(0,0,0,0.12);
    z-index: 2;
}

.color-option:hover:not(.selected) {
    transform: scale(1.1);
    box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}

.color-option.custom {
    border: 2px dashed rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: repeating-linear-gradient(
        45deg,
        rgba(0,0,0,0.03),
        rgba(0,0,0,0.03) 5px,
        rgba(0,0,0,0.06) 5px,
        rgba(0,0,0,0.06) 10px
    );
    position: relative;
    transition: all 0.25s ease;
}

.color-option.custom i {
    color: var(--text-light);
    font-size: 12px;
    z-index: 1;
}

.custom-color-display {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 6px;
    padding: 4px 8px;
    border-radius: var(--border-radius-md);
    background-color: var(--gray-100);
    border: 1px solid var(--gray-200);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    transition: all 0.2s ease;
}

.custom-color-display span {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
}

.selected-color-preview {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.1);
    background-color: #3498db;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: transform 0.2s ease;
}

.custom-color-display:hover .selected-color-preview {
    transform: scale(1.08);
}

.color-option.custom input {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 2;
}

/* 重复定义已删除 */

.file-upload {
    border: 1px dashed rgba(0,0,0,0.15);
    border-radius: var(--border-radius-md);
    padding: 16px;
    text-align: center;
    position: relative;
    transition: var(--transition);
    background: var(--white);
    margin-top: 8px;
}

.file-upload:hover {
    border-color: var(--primary-color);
    background: rgba(67, 97, 238, 0.03);
}

.file-upload input {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    color: var(--text-light);
}

.upload-placeholder i {
    font-size: 28px;
    margin-bottom: 12px;
    color: var(--text-light);
    opacity: 0.7;
}

.upload-placeholder p {
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-light);
}

.upload-preview {
    display: none;
    text-align: center;
    position: relative;
}

.upload-preview img {
    max-height: 120px;
    margin-bottom: 12px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.08);
}

.remove-image {
    background: var(--danger);
    color: var(--white);
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.remove-image:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* Preview Panel */
.preview-panel {
    flex: 1;
    margin-left: 0;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--gray-200);
    min-height: 520px;
    position: relative;
    overflow: hidden;
}

.preview-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.preview-header h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin: 0;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.preview-header h3 i {
    color: var(--primary-color);
    font-size: 16px;
}

.preview-actions {
    display: flex;
    gap: 10px;
}

.preview-container {
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    border-radius: var(--border-radius-lg);
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}

.preview-container::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 10px 10px, rgba(255,255,255,0.8) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.3;
    pointer-events: none;
}

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

#icon-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.placeholder-message {
    text-align: center;
    color: var(--text-light);
    padding: 30px;
    background: rgba(255,255,255,0.7);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: var(--shadow-sm);
    max-width: 80%;
    animation: fadeIn 0.5s ease;
}

.placeholder-message i {
    font-size: 52px;
    margin-bottom: 20px;
    opacity: 0.7;
    color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.placeholder-message p {
    font-size: 16px;
    line-height: 1.6;
    font-weight: 500;
    margin-bottom: 15px;
}

.placeholder-tips {
    font-size: 14px;
    color: var(--text-light);
    opacity: 0.8;
    font-style: italic;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--gray-300);
}

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

.variations-container {
    margin-top: auto;
}

.variations-container h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.variations-container h4 i {
    color: var(--primary-color);
    font-size: 14px;
}

.variations-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 5px;
}

.variation-item {
    background: var(--gray-100);
    border-radius: var(--border-radius-lg);
    padding-top: 100%;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
    min-height: 60px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.variation-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--gray-300);
}

.variation-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 18px;
    opacity: 0.7;
    transition: var(--transition);
}

.variation-item:hover .variation-overlay {
    background-color: rgba(255,255,255,0.1);
    color: var(--primary-color);
    opacity: 1;
}

.variation-item.active {
    box-shadow: 0 0 0 2px var(--primary-color), var(--shadow-sm);
}

/* Features Section */
.features {
    background-color: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.04);
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1), rgba(76, 201, 240, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    position: relative;
}

.feature-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    border: 1px solid rgba(67, 97, 238, 0.2);
    box-shadow: 0 0 0 6px rgba(67, 97, 238, 0.05);
}

.feature-icon i {
    font-size: 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 16px;
    color: var(--text-dark);
    font-weight: 700;
}

.feature-card p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.6;
}

/* Examples Section */
.examples {
    background-color: #fff;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.example-item {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.04);
}

.example-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.example-image {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.example-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    opacity: 0.7;
}

.example-image img {
    max-height: 180px;
    object-fit: contain;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
    transition: var(--transition);
}

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

.example-desc {
    padding: 20px;
    background: rgba(0,0,0,0.02);
    border-top: 1px solid rgba(0,0,0,0.04);
}

.example-desc h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 600;
}

.example-desc .prompt {
    font-style: italic;
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.5;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    z-index: 1;
}

.cta::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    z-index: 1;
}

.cta .container {
    position: relative;
    z-index: 2;
}

.cta h2 {
    font-size: 36px;
    margin-bottom: 20px;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.cta p {
    font-size: 18px;
    margin-bottom: 36px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    opacity: 0.9;
}

.cta .btn-cta {
    background: var(--white);
    color: var(--primary-color);
    font-weight: 700;
    padding: 16px 36px;
    font-size: 18px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.cta .btn-cta:hover {
    background: var(--white);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: var(--white);
    padding-top: 80px;
    position: relative;
    margin-top: 60px;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    box-shadow: 0 0 20px rgba(67, 97, 238, 0.3);
}

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

.footer-logo h2 {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
}

.footer-logo p {
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    margin-bottom: 20px;
    letter-spacing: 0.01em;
}

.footer-description {
    color: rgba(255,255,255,0.6);
    line-height: 1.6;
    font-size: 15px;
    max-width: 90%;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 28px;
    font-size: 18px;
    position: relative;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.footer-col h4:after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin-top: 14px;
    border-radius: 3px;
}

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

.footer-col ul li a {
    color: rgba(255,255,255,0.7);
    font-size: 15px;
    transition: var(--transition);
    display: inline-block;
    padding: 4px 0;
}

.footer-col ul li a:hover {
    color: var(--primary-light);
    padding-left: 5px;
    transform: translateY(-1px);
    text-shadow: 0 0 10px rgba(72, 149, 239, 0.3);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    font-size: 15px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    font-size: 18px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.social-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: var(--transition);
}

.social-links a i {
    position: relative;
    z-index: 2;
}

.social-links a:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-md);
}

.social-links a:hover::before {
    opacity: 1;
}

.social-links a:hover i {
    transform: scale(1.1);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .generator-container {
        flex-direction: column;
    }
    
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    header .container {
        flex-wrap: wrap;
    }
    
    nav, .auth-buttons {
        margin-top: 15px;
    }
    
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: 30px;
    }
    
    .features-grid, .examples-grid {
        grid-template-columns: repeat(auto-fit, minmax(100%, 1fr));
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .form-row {
        flex-direction: column;
        gap: 15px;
    }
    
    .variations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
    }
}