/* SG Studio 样式表 - 玻璃质感主题 */

:root {
    --primary-color: #1a1a2e;
    --primary-dark: #0f0f1a;
    --primary-light: #2a2a4e;
    --secondary-color: #d4a574;
    --accent-color: #f0a500;
    --text-primary: #f0f0f0;
    --text-secondary: #b0b0b0;
    --text-light: #808080;
    --bg-primary: #1a1a2e;
    --bg-secondary: #0f0f1a;
    --bg-tertiary: #252540;
    --border-color: #3a3a5e;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
    --glass-bg: rgba(26, 26, 46, 0.85);
    --glass-border: rgba(212, 165, 116, 0.3);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #252540 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(15, 15, 26, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.sg-logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
}

.back-to-tjfs {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.back-to-tjfs:hover {
    color: var(--accent-color);
}

.studio-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.studio-subtitle {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 400;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--secondary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 英雄区域样式 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 50%, #252540 100%);
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 2px, transparent 2px),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 2px, transparent 2px),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px, 30px 30px, 20px 20px;
    animation: float 20s infinite linear;
}

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

.hero-content {
    text-align: center;
    color: white;
    z-index: 2;
    position: relative;
    max-width: 800px;
    padding: 0 20px;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-size: clamp(2rem, 7vw, 4rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.1;
}

.title-main {
    display: block;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    display: block;
    font-size: clamp(1.2rem, 3.5vw, 2rem);
    font-weight: 400;
    opacity: 0.9;
}

.hero-description {
    font-size: clamp(0.95rem, 2vw, 1.2rem);
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    backdrop-filter: blur(10px);
    color: var(--primary-dark);
    border: 1px solid var(--secondary-color);
    padding: 14px 36px;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
    transition: left 0.6s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--secondary-color) 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(212, 165, 116, 0.35);
}

.btn-text {
    position: relative;
    z-index: 1;
}

.btn-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
    position: relative;
    z-index: 1;
}

.btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

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

.btn-secondary:hover {
    background: rgba(212, 165, 116, 0.1);
    transform: translateY(-2px);
}

.btn-accent {
    background: linear-gradient(135deg, #00d4ff 0%, #00ff88 100%);
    backdrop-filter: blur(10px);
    color: var(--primary-dark);
    border: 1px solid #00d4ff;
    padding: 14px 36px;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.btn-accent::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.btn-accent:hover::before {
    left: 100%;
}

.btn-accent:hover {
    background: linear-gradient(135deg, #00ff88 0%, #00d4ff 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0, 212, 255, 0.35);
}

.btn-accent:hover .btn-arrow {
    transform: translateX(4px);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid white;
    border-left: none;
    border-top: none;
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* 通用区域样式 */
.section {
    padding: 100px 0;
    position: relative;
}

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

.section-title {
    font-size: clamp(1.6rem, 5vw, 2.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 工作室介绍区域 */
.about-section {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-item {
    margin-bottom: 40px;
}

.about-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.about-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.stat-card {
    background: var(--bg-tertiary);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--glass-border);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 项目体系区域 */
.projects-section {
    background: var(--bg-primary);
}

.projects-layout {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.flagship-project {
    width: 100%;
}

.other-projects {
    width: 100%;
}

.other-projects-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 30px;
    text-align: center;
}

.projects-grid-small {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.project-card-small {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    height: 100%;
}

.project-card-small::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.project-card-small:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.project-card-small .project-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.project-card-small .project-description {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
    margin-bottom: 15px;
}

.project-card-small .project-tags {
    margin-bottom: 15px;
}

.project-card-small .tag {
    font-size: 0.7rem;
    padding: 3px 6px;
}

.project-card-small .project-link {
    font-size: 0.9rem;
}

.project-card {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.project-card.flagship::before {
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-color));
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.project-badge {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--primary-dark);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.project-card.flagship .project-badge {
    background: linear-gradient(45deg, var(--accent-color), var(--secondary-color));
}

.project-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.project-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-weight: 500;
}

.project-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--glass-border);
}

.project-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.project-link:hover {
    color: var(--accent-color);
}

/* 核心价值观区域 */
.values-section {
    background: var(--bg-secondary);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    transition: transform 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 联系我们区域 */
.contact-section {
    background: var(--bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
}

.contact-info {
    display: grid;
    gap: 30px;
}

.contact-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 8px;
}

/* 页脚样式 */
.footer {
    background: var(--primary-dark);
    color: var(--text-primary);
    padding: 40px 0;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-copyright {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-disclaimer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    margin-top: 20px;
}

.disclaimer-text {
    color: rgba(255, 255, 255, 0.45);
    font-size: 12px;
    line-height: 1.6;
    margin-bottom: 4px;
}

.real-about-section {
    background: var(--bg-secondary);
    padding: 80px 0;
}

.real-about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.real-about-lang {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border-color);
}

.real-about-lang h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
}

.real-about-lang p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 10px;
}

.real-about-lang .real-about-highlight {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 15px;
    margin-top: 14px;
    margin-bottom: 6px;
}

.real-about-lang ul {
    list-style: none;
    padding: 0;
    margin: 10px 0;
}

.real-about-lang ul li {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    padding: 5px 0 5px 18px;
    position: relative;
}

.real-about-lang ul li::before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

@media (max-width: 768px) {
    .real-about-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .real-about-lang {
        padding: 25px;
    }
}

/* 开发进度区域样式 */
.progress-section {
    background: var(--bg-secondary);
}

.progress-category {
    margin-bottom: 50px;
}

.category-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--secondary-color);
}

.progress-table-container {
    overflow-x: auto;
    margin-bottom: 30px;
}

.progress-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-tertiary);
    border-radius: 12px;
    overflow: hidden;
}

.progress-table th,
.progress-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.progress-table th {
    background: var(--secondary-color);
    color: var(--primary-dark);
    font-weight: 600;
}

.progress-table td {
    color: var(--text-secondary);
}

.progress-table tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.status-complete {
    color: #00ff88;
    font-weight: 600;
}

/* 前端界面网格 */
.frontend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.frontend-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.frontend-name {
    color: var(--text-primary);
    font-weight: 500;
}

.frontend-coverage {
    color: #00ff88;
    font-weight: 600;
}

.total-coverage {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 8px;
    margin-top: 20px;
}

.coverage-label {
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 1.1rem;
}

.coverage-value {
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 1.3rem;
}

/* 功能清单 */
.feature-checklist {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--glass-border);
}

.check-icon {
    color: #00ff88;
    font-weight: 600;
}

.feature-item span:last-child {
    color: var(--text-secondary);
}

/* 技术架构区域样式 */
.tech-category {
    margin-bottom: 40px;
    padding: 30px;
    background: var(--bg-tertiary);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
}

.sub-category-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 25px 0 15px 0;
}

.tech-info-table {
    display: grid;
    gap: 12px;
}

.tech-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--glass-border);
}

.tech-row:last-child {
    border-bottom: none;
}

.tech-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.tech-value {
    color: var(--text-primary);
    font-weight: 600;
}

.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.module-item {
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    font-family: 'Courier New', monospace;
}

/* 数据统计区域样式 */
.statistics-section {
    background: var(--bg-primary);
}

.stats-grid-large {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

.stat-card-large {
    text-align: center;
    padding: 30px 20px;
    background: var(--bg-tertiary);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.stat-card-large:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number-large {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.stat-label-large {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 游戏亮点区域样式 */
.highlights-section {
    background: var(--bg-secondary);
}

.highlights-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 25px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.highlight-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.highlight-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--primary-dark);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.highlight-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.highlight-content p {
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 优化后的布局样式 */

/* 开发进度 - 双列布局 */
.progress-two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

.progress-category.compact {
    background: var(--bg-tertiary);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--glass-border);
}

.frontend-compact,
.feature-compact {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.frontend-tag,
.feature-tag {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.frontend-tag.completed,
.feature-tag.completed {
    background: linear-gradient(135deg, #00d4ff, #00ff88);
    color: var(--primary-dark);
}

.frontend-tag:hover,
.feature-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

/* 技术架构 - 双列布局 */
.tech-two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.tech-modules-section {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--glass-border);
}

/* 数据统计与游戏亮点 - 合并布局 */
.stats-highlights-section {
    background: var(--bg-secondary);
}

.stats-highlights-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.stats-column,
.highlights-column {
    padding: 20px;
}

.stats-compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.stat-item-compact {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px 10px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.stat-item-compact:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.stat-name {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
}

.highlights-compact {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.highlight-compact {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 15px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.highlight-compact:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.highlight-icon {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: 8px;
}

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

.highlight-text strong {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 2px;
}

.highlight-text small {
    color: var(--text-secondary);
    font-size: 0.8rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        height: auto;
        padding: 12px 16px;
    }

    .nav-logo {
        gap: 10px;
    }

    .studio-name {
        font-size: 1.2rem;
    }

    .studio-subtitle {
        font-size: 0.75rem;
    }

    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 56px;
        left: 0;
        right: 0;
        background: rgba(15, 15, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        gap: 4px;
        display: none;
        border-bottom: 1px solid var(--glass-border);
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-link {
        padding: 10px 16px;
        border-radius: 8px;
        font-size: 0.95rem;
    }

    .nav-link:hover {
        background: rgba(212, 165, 116, 0.1);
    }
    
    .hero-title {
        font-size: clamp(1.6rem, 8vw, 2.5rem);
    }
    
    .title-sub {
        font-size: clamp(1rem, 4vw, 1.5rem);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn-primary,
    .btn-accent {
        padding: 12px 28px;
        font-size: 1rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .progress-two-column,
    .tech-two-column,
    .stats-highlights-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .stats-compact {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .frontend-compact,
    .feature-compact {
        justify-content: center;
    }
    
    .module-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .progress-table {
        font-size: 0.85rem;
    }
    
    .progress-table th,
    .progress-table td {
        padding: 8px 10px;
    }

    .section {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .container {
        padding: 0 16px;
    }

    .studio-name {
        font-size: 1.1rem;
    }
}

/* 动画效果 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

/* 子项目矩阵区域样式 */
.subprojects-section {
    background: var(--bg-primary);
}

.subprojects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.subproject-card {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 25px;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.subproject-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
}

.subproject-card.flagship-subproject {
    border: 2px solid rgba(102, 126, 234, 0.4);
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.15);
}

.subproject-card.flagship-subproject::before {
    background: linear-gradient(90deg, #667eea, #764ba2);
    height: 4px;
}

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

.subproject-badge {
    display: inline-block;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.subproject-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.subproject-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-weight: 500;
}

.subproject-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 18px;
    font-size: 0.95rem;
}

.subproject-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

/* 进度条样式 */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 4px;
    transition: width 0.8s ease;
}

.progress-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--secondary-color);
}

/* 状态标记 */
.status-inprogress {
    color: #ffa726;
    font-weight: 600;
}

/* 响应式 - 子项目矩阵 */
@media (max-width: 768px) {
    .subprojects-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .nav-container {
        padding: 8px 12px;
    }

    .sg-logo-img {
        width: 28px;
        height: 28px;
    }

    .studio-name {
        font-size: 1rem;
    }

    .hero-content {
        padding: 0 12px;
    }

    .hero-description {
        font-size: 0.9rem;
    }

    .btn-primary,
    .btn-accent {
        padding: 12px 20px;
        font-size: 0.95rem;
        width: 100%;
        justify-content: center;
    }

    .about-stats {
        gap: 16px;
    }

    .stat-card {
        padding: 20px 15px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .section {
        padding: 40px 0;
    }

    .section-header {
        margin-bottom: 30px;
    }

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

    .value-card {
        padding: 25px 15px;
    }
}