:root {
    --scale-factor: 1.00; /* 原始尺寸，无缩放 */
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #4facfe 100%);
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
    scroll-padding-top: 100px; /* Account for fixed navbar height */
}

/* Navigation Bar */
.navbar {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.logo::before {
    content: "";
    width: 36px;
    height: 28px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #4facfe 100%);
    border-radius: 6px;
    position: relative;
    display: inline-block;
    box-shadow: 0 3px 12px rgba(0,0,0,0.3);
    margin-right: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.logo::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 22px;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.8);
    box-shadow: 
        inset 0 0 0 1px rgba(0,0,0,0.3),
        0 0 0 1px rgba(255, 255, 255, 0.3);
}

/* 添加取景器 */
.logo:hover::before {
    box-shadow: 
        0 3px 12px rgba(0,0,0,0.3),
        inset 4px 4px 0 0 rgba(255, 255, 255, 0.1);
}

/* 添加闪光灯效果 */
.logo:hover::after {
    box-shadow: 
        inset 0 0 0 1px rgba(0,0,0,0.3),
        0 0 0 1px rgba(255, 255, 255, 0.3),
        0 0 8px rgba(255, 255, 255, 0.4);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    position: relative;
}

.nav-menu a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.nav-menu a.active {
    background: rgba(255, 255, 255, 0.3);
}

/* Main Container */
.container {
    max-width: 1600px;
    margin: 2rem auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: calc(2.7rem * var(--scale-factor));
    color: white;
    text-shadow: 0 4px 8px rgba(0,0,0,0.3);
    margin-bottom: calc(0.9rem * var(--scale-factor));
    font-weight: 700;
    text-align: center;
}

.subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: calc(1rem * var(--scale-factor));
    font-weight: 400;
    margin-bottom: calc(3.6rem * var(--scale-factor));
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    font-style: italic;
}

h2 {
    font-size: calc(1.8rem * var(--scale-factor));
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    margin-bottom: calc(1.35rem * var(--scale-factor));
    font-weight: 600;
}

h3 {
    font-size: calc(1.35rem * var(--scale-factor));
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    margin-bottom: calc(0.9rem * var(--scale-factor));
    font-weight: 500;
}

.flash {
    background: rgba(255, 255, 255, 0.9);
    color: #2c3e50;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    border-left: 4px solid #2a5298;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.flash p {
    margin: 0;
    font-weight: 500;
}

.flash-error {
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
    border-left-color: #e74c3c;
}

form {
    margin: 3rem 0;
}

.upload-box {
    border: 3px dashed rgba(255, 255, 255, 0.7);
    padding: calc(2.7rem * var(--scale-factor));
    margin: 0 auto calc(3.6rem * var(--scale-factor));
    cursor: pointer;
    position: relative;
    border-radius: 15px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.upload-box:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

.upload-box:hover p {
    color: #ffffff;
    text-shadow: 0 4px 8px rgba(0,0,0,0.6);
    transform: scale(1.02);
    transition: all 0.3s ease;
}

.upload-box:hover .upload-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 6px 12px rgba(0,0,0,0.4));
}

.upload-icon {
    font-size: calc(2.7rem * var(--scale-factor));
    margin-bottom: calc(0.9rem * var(--scale-factor));
    text-align: center;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
    transition: all 0.3s ease;
}

.upload-box p {
    margin: 0;
    font-size: calc(1.26rem * var(--scale-factor));
    font-weight: 600;
    color: white;
    text-shadow: 0 3px 6px rgba(0,0,0,0.5);
    text-align: center;
    line-height: 1.4;
}

.upload-box input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    top:0;
    left:0;
    opacity:0;
    cursor:pointer;
}

/* Filter Categories */
.filter-categories {
    margin: 2rem 0;
}

.category-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: nowrap;
    gap: calc(0.72rem * var(--scale-factor));
    margin-bottom: calc(2.7rem * var(--scale-factor));
    overflow-x: auto;
    padding: calc(0.45rem * var(--scale-factor)) 0;
}

.category-tab {
    padding: calc(0.72rem * var(--scale-factor)) calc(1.35rem * var(--scale-factor));
    background: rgba(255, 255, 255, 0.15);
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-radius: 0;
    color: white;
    cursor: pointer;
    font-weight: 600;
    font-size: calc(0.9rem * var(--scale-factor));
    text-transform: uppercase;
    letter-spacing: 0.45px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: calc(0.36rem * var(--scale-factor));
    white-space: nowrap;
    flex-shrink: 0;
}

/* Emoji styling for category tabs */
.category-tab {
    font-family: 'Segoe UI Emoji', 'Apple Color Emoji', 'Noto Color Emoji', sans-serif;
}

.category-tab:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.category-tab.active {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: calc(0.45rem * var(--scale-factor));
    margin: calc(1.8rem * var(--scale-factor)) 0;
    max-width: 100%;
    justify-content: center;
}

.filter-btn {
    padding: calc(0.63rem * var(--scale-factor)) calc(0.9rem * var(--scale-factor));
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    cursor: pointer;
    font-size: calc(0.765rem * var(--scale-factor));
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    min-width: calc(99px * var(--scale-factor));
    text-align: center;
    white-space: nowrap;
    flex: 0 1 auto;
}

.filter-btn.selected {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

.message-area {
    text-align: center;
    margin: 1rem 0;
    padding: 0.5rem;
}

.message-area p {
    margin: 0;
    font-weight: 500;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.generate-button-container {
    display: flex;
    justify-content: center;
    margin-top: calc(3.6rem * var(--scale-factor));
}

.generate-btn {
    padding: calc(0.9rem * var(--scale-factor)) calc(1.8rem * var(--scale-factor));
    margin: 0;
    border: none;
    border-radius: 25px;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #4facfe 100%);
    color: white;
    font-size: calc(0.99rem * var(--scale-factor));
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    text-transform: uppercase;
    letter-spacing: 0.9px;
    min-width: calc(180px * var(--scale-factor));
}

.generate-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    background: linear-gradient(135deg, #0f1f3a 0%, #1a2f5a 50%, #3a8bfd 100%);
}

.preview {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    margin-top: calc(4.5rem * var(--scale-factor));
    gap: calc(0.9rem * var(--scale-factor));
    max-width: calc(1260px * var(--scale-factor));
    margin-left: auto;
    margin-right: auto;
}

.preview div {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: calc(540px * var(--scale-factor));
    min-width: calc(360px * var(--scale-factor));
    margin: 0 calc(0.45rem * var(--scale-factor));
}

/* 中等屏幕优化 */
@media (max-width: 1200px) {
    .preview {
        gap: 0.8rem;
        max-width: 1200px;
    }
    
    .preview div {
        margin: 0 0.3rem;
    }
}

/* 小屏幕优化 */
@media (max-width: 768px) {
    .preview {
        flex-direction: column;
        gap: 1rem;
    }
    
    .preview div {
        min-width: auto;
        max-width: 100%;
        margin: 0;
    }
}

.preview img {
    max-width: 100%;
    max-height: calc(540px * var(--scale-factor));
    width: auto;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    object-fit: contain;
}

.preview-placeholder, .processed-placeholder, .generating-message {
    width: 100%;
    max-width: calc(540px * var(--scale-factor));
    height: auto;
    min-height: calc(360px * var(--scale-factor));
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.preview-placeholder p, .processed-placeholder p {
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
    padding: 2rem;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.generating-message p {
    color: white;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Rotating circle animation for processing */
.rotating-circle {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 1rem auto;
}

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

.processing-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 400;
    margin-top: 0.5rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.download-btn {
    display: block;
    width: 80%;
    margin: 1rem auto 0;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #4facfe 100%);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: 20px;
    transition: all 0.3s ease;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    background: linear-gradient(135deg, #0f1f3a 0%, #1a2f5a 50%, #3a8bfd 100%);
}

.download-section {
    margin-top: 1rem;
}

.upload-hint {
    font-size: calc(0.9rem * var(--scale-factor));
    color: rgba(255, 255, 255, 0.9);
    margin-top: calc(0.9rem * var(--scale-factor));
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0,0,0,0.4);
    text-align: center;
    line-height: 1.5;
}

/* Example Effects Section */
.examples-section {
    margin-top: calc(4.5rem * var(--scale-factor));
    padding: calc(2.7rem * var(--scale-factor)) 0;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.examples-section h2 {
    text-align: center;
    margin-bottom: calc(0.9rem * var(--scale-factor));
    color: white;
    font-size: calc(2.25rem * var(--scale-factor));
    font-weight: 700;
    text-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

.examples-section > p {
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
    font-size: calc(1.08rem * var(--scale-factor));
    margin-bottom: calc(2.7rem * var(--scale-factor));
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: calc(1.8rem * var(--scale-factor));
    max-width: calc(1080px * var(--scale-factor));
    margin: 0 auto;
    padding: 0 calc(1.8rem * var(--scale-factor));
}

.example-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: calc(1.8rem * var(--scale-factor));
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.example-item h4 {
    text-align: center;
    color: white;
    font-size: calc(1.35rem * var(--scale-factor));
    font-weight: 600;
    margin-bottom: calc(1.35rem * var(--scale-factor));
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.example-images {
    display: flex;
    gap: calc(0.9rem * var(--scale-factor));
    justify-content: center;
    align-items: flex-start;
}

.example-original,
.example-filtered {
    flex: 1;
    text-align: center;
}

.example-original img,
.example-filtered img {
    width: 100%;
    max-width: calc(180px * var(--scale-factor));
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.example-original img:hover,
.example-filtered img:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.example-original p,
.example-filtered p {
    margin-top: calc(0.45rem * var(--scale-factor));
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: calc(0.81rem * var(--scale-factor));
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* Interactive Image Comparison */
.interactive-comparison {
    /* Remove grid-column to allow normal grid placement */
    max-width: 100%;
    margin: 0 auto;
}

.comparison-hint {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: calc(0.81rem * var(--scale-factor));
    margin-bottom: calc(0.9rem * var(--scale-factor));
    font-style: italic;
}

.image-compare-container {
    position: relative;
    width: 100%;
    max-width: calc(540px * var(--scale-factor));
    margin: 0 auto;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.image-wrapper {
    position: relative;
    width: 100%;
    height: calc(360px * var(--scale-factor));
    overflow: hidden;
}

.image-before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-after-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    overflow: hidden;
    transition: width 0.1s ease;
}

.image-after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #4facfe 100%);
    cursor: ew-resize;
    transform: translateX(-50%);
    z-index: 10;
    transition: all 0.1s ease;
}

.slider-handle:hover {
    width: 6px;
    box-shadow: 0 0 20px rgba(79, 172, 254, 0.6);
}

.slider-line {
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    transform: translateX(-50%);
}

.slider-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: calc(36px * var(--scale-factor));
    height: calc(36px * var(--scale-factor));
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.slider-arrow-left,
.slider-arrow-right {
    font-size: calc(10.8px * var(--scale-factor));
    color: #2a5298;
    font-weight: bold;
    position: absolute;
}

.slider-arrow-left {
    left: 8px;
}

.slider-arrow-right {
    right: 8px;
}

.comparison-labels {
    position: absolute;
    bottom: 15px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 5;
}

.label-before,
.label-after {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: calc(7.2px * var(--scale-factor)) calc(14.4px * var(--scale-factor));
    border-radius: 20px;
    font-size: calc(0.81rem * var(--scale-factor));
    font-weight: 600;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Mobile responsiveness for examples */
@media (max-width: 768px) {
    .examples-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .example-images {
        flex-direction: column;
        gap: 1rem;
    }
    
    .example-original img,
    .example-filtered img {
        max-width: 100%;
    }
    
    .examples-section h2 {
        font-size: 2rem;
    }
    
    .interactive-comparison {
        grid-column: 1;
    }
    
    .image-compare-container {
        max-width: 100%;
    }
    
    .image-wrapper {
        height: 300px;
    }
    
    .slider-circle {
        width: 35px;
        height: 35px;
    }
    
    .slider-arrow-left,
    .slider-arrow-right {
        font-size: 10px;
    }
    
    /* Mobile responsiveness for filter layout */
    .category-tabs {
        gap: 0.5rem;
        padding: 0.3rem 0;
    }
    
    .category-tab {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
        letter-spacing: 0.3px;
    }
    
    .filter-buttons {
        gap: 0.6rem;
    }
    
    .filter-btn {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
        min-width: 100px;
    }
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: calc(2.7rem * var(--scale-factor)) 0 calc(1.8rem * var(--scale-factor));
    margin-top: calc(3.6rem * var(--scale-factor));
}

.footer-content {
    max-width: calc(1440px * var(--scale-factor));
    margin: 0 auto;
    padding: 0 calc(1.8rem * var(--scale-factor));
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(calc(225px * var(--scale-factor)), 1fr));
    gap: calc(1.8rem * var(--scale-factor));
}

.footer-section h4 {
    color: white;
    margin-bottom: calc(0.9rem * var(--scale-factor));
    font-size: calc(1.08rem * var(--scale-factor));
    font-weight: 600;
}

.footer-section p, .footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 1.6;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.social-links {
    display: flex;
    gap: calc(0.9rem * var(--scale-factor));
    margin-top: calc(0.9rem * var(--scale-factor));
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: calc(36px * var(--scale-factor));
    height: calc(36px * var(--scale-factor));
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    text-align: center;
    transition: all 0.3s ease;
    font-size: calc(16.2px * var(--scale-factor));
    color: white;
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: calc(1.8rem * var(--scale-factor));
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: calc(1.8rem * var(--scale-factor));
    color: rgba(255, 255, 255, 0.6);
}

/* Page Content Styles */
.page-content {
    max-width: calc(720px * var(--scale-factor));
    margin: calc(1.8rem * var(--scale-factor)) auto;
    padding: calc(1.8rem * var(--scale-factor));
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.page-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: calc(1.35rem * var(--scale-factor));
    line-height: 1.8;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.page-content ul {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: calc(1.35rem * var(--scale-factor));
    padding-left: calc(1.8rem * var(--scale-factor));
}

.page-content li {
    margin-bottom: calc(0.45rem * var(--scale-factor));
    line-height: 1.6;
}

.faq-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: calc(1.35rem * var(--scale-factor));
    margin-bottom: calc(0.9rem * var(--scale-factor));
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-question {
    font-weight: 600;
    color: white;
    margin-bottom: calc(0.45rem * var(--scale-factor));
    font-size: calc(0.99rem * var(--scale-factor));
}

.faq-answer {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }

    .nav-container {
        flex-direction: column;
        gap: 1rem;
        padding: 0 1rem;
        width: 100%;
    }
    
    .nav-menu {
        gap: 0.25rem;
        justify-content: flex-start;
        max-width: 100%;
        overflow-x: auto;
        padding-bottom: 0.35rem;
        width: 100%;
    }

    .nav-menu a {
        display: block;
        font-size: 0.9rem;
        padding: 0.4rem 0.65rem;
        white-space: nowrap;
    }
    
    .container, .page-content {
        margin: 1rem;
        padding: 1.5rem;
        min-width: 0;
    }

    .filter-categories {
        min-width: 0;
    }

    .category-tabs {
        justify-content: flex-start;
        max-width: 100%;
        width: 100%;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .generate-button-container {
        padding-left: 0;
        justify-content: center;
    }
    
    .generate-btn {
        min-width: 180px;
        font-size: 1rem;
        padding: 0.9rem 1.8rem;
    }
}