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

/* Font Face - Qomolangma-UchenSarchung */
@font-face {
    font-family: 'Qomolangma';
    src: local('Qomolangma'), 
         url('./Qomolangma-UchenSarchung.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: block;
    unicode-range: U+0F00-0FFF;
}

@font-face {
    font-family: 'Qomolangma';
    src: local('Qomolangma'), 
         url('./Qomolangma-UchenSarchung.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: block;
}

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.15);
    --border-radius: 16px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Qomolangma', 'Tibetan Unicode', 'Noto Sans', 'Microsoft Himalaya', sans-serif !important;
    line-height: 1.8;
    color: var(--text-dark);
    background: var(--bg-light);
    overflow-x: hidden;
}

* {
    font-family: inherit;
}

/* 杜绝所有加粗 */
*, *::before, *::after {
    font-weight: 400 !important;
}

h1, h2, h3, h4, h5, h6, strong, b {
    font-weight: 400 !important;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section - 纯白背景，左右布局 */
.hero-new {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: #ffffff;
    color: var(--text-dark);
    padding: 100px 0 80px;
}

.hero-content-new {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.hero-left {
    text-align: left;
    padding-right: 40px;
}

.logo-section-new {
    margin-bottom: 32px;
}

.logo-img-new {
    width: 100px;
    height: 100px;
    object-fit: contain;
}

.title-new {
    font-size: 4rem;
    font-weight: 400;
    margin-bottom: 24px;
    color: var(--text-dark);
    letter-spacing: 2px;
}

.description-new {
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 40px;
    color: var(--text-light);
}

.disclaimer-new {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-light);
    opacity: 0.8;
    margin-top: 32px;
}

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

.screenshot-hero {
    width: 100%;
    max-width: none;
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    transform: scale(1.5);
    transform-origin: left center;
}

.screenshot-hero:hover {
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2);
}

.screenshot-img-hero {
    width: 100%;
    height: auto;
    display: block;
}

.btn-primary-new {
    background: #667eea;
    color: white;
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.3);
}

.btn-primary-new:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.4);
    background: #5568d3;
}

.btn-secondary-new {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-secondary-new:hover {
    background: #667eea;
    color: white;
    transform: translateY(-4px);
}

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

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 公共按钮样式 */
.cta-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 400;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

/* Download Section - 纯蓝色背景 */
.download-new {
    background: #667eea;
    color: white;
}

.section-title-white {
    color: white;
}

.section-title-white::after {
    background: white;
}

.download-card-blue {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.download-card-blue h3,
.download-card-blue p,
.download-card-blue .version {
    color: var(--text-dark);
}

.download-card-blue .platform-icon {
    color: #667eea;
}

.btn-download-blue {
    background: #667eea;
    color: white;
    padding: 14px 28px;
    font-size: 1rem;
    width: 100%;
    justify-content: center;
}

.btn-download-blue:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    background: #5568d3;
}

.system-requirements-blue {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.system-requirements-blue h3,
.system-requirements-blue li,
.system-requirements-blue strong {
    color: var(--text-dark);
}

/* Screenshot Section (已移除，现在在Hero中) */
.features {
    padding: 100px 0;
    background: var(--bg-white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 64px;
    color: var(--text-dark);
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: #667eea;
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #667eea;
    border-radius: 20px;
    color: white;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    background: #5568d3;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1rem;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: var(--bg-light);
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin: 48px 0 64px;
}

.download-card {
    background: white;
    padding: 48px 32px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.platform-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    color: var(--primary-color);
}

.download-card h3 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.download-card > p {
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.6;
}

.download-buttons {
    margin: 24px 0;
}

.btn-download {
    background: var(--primary-gradient);
    color: white;
    padding: 14px 28px;
    font-size: 1rem;
    width: 100%;
}

.btn-download:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
}

.version {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 16px;
}

.system-requirements {
    background: white;
    padding: 48px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-top: 64px;
}

.system-requirements h3 {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.system-requirements ul {
    list-style: none;
}

.system-requirements li {
    padding: 12px 0;
    border-bottom: 1px solid #e2e8f0;
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
}

.system-requirements li:last-child {
    border-bottom: none;
}

.system-requirements strong {
    color: var(--text-dark);
    font-weight: 400;
}

/* Footer */
.footer {
    background: #667eea;
    color: white;
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-section h4 {
    font-size: 1.3rem;
    font-weight: 400;
    margin-bottom: 20px;
    color: white;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

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

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

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

.footer-section ul li a:hover {
    color: white;
    padding-left: 8px;
}

.footer-bottom {
    padding-top: 32px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.icp {
    font-size: 0.9rem;
    opacity: 0.8;
}

.disclaimer-small {
    font-size: 0.85rem;
    opacity: 0.7;
    line-height: 1.6;
    margin-top: 16px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content-new {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .hero-left {
        text-align: center;
        padding-right: 0;
    }
    
    .screenshot-hero {
        transform: scale(1);
        transform-origin: center center;
    }
    
    .title-new {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .title-new {
        font-size: 2.5rem;
    }

    .description-new {
        font-size: 1.1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

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

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

    .download-cards {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .system-requirements,
    .system-requirements-blue {
        padding: 32px 24px;
    }

    .container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .title-new {
        font-size: 2rem;
    }

    .description-new {
        font-size: 1rem;
    }

    .hero-new {
        padding: 60px 0;
    }

    .features,
    .download,
    .download-new {
        padding: 60px 0;
    }

    .feature-card,
    .download-card,
    .download-card-blue {
        padding: 32px 24px;
    }
    
    .logo-img-new {
        width: 80px;
        height: 80px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection Style */
::selection {
    background: var(--primary-color);
    color: white;
}

::-moz-selection {
    background: var(--primary-color);
    color: white;
}