/* ========================================
   CSS Variables & Reset
======================================== */
:root {
    --color-bg: #2C2C27;
    --color-bg-light: #3a3a33;
    --color-bg-dark: #1a1a17;
    --color-accent: #FF9300;
    --color-accent-hover: #ffab33;
    --color-text: #FFFFFF;
    --color-text-muted: #D7D7D7;
    --color-border: rgba(255, 147, 0, 0.3);
    --color-nav-bg: rgba(26, 26, 23, 0.95);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --transition: 0.3s ease;
    --nav-height: 70px;
}

[data-theme="light"] {
    --color-bg: #FFFFFF;
    --color-bg-light: #F0F0F0;
    --color-bg-dark: #E0E0E0;
    --color-accent-hover: #E68500;
    --color-text: #1A1A17;
    --color-text-muted: #666666;
    --color-border: rgba(255, 147, 0, 0.4);
    --color-nav-bg: rgba(255, 255, 255, 0.95);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

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

/* ========================================
   Navigation
======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 40px;
    height: var(--nav-height);
    transition: background-color var(--transition), backdrop-filter var(--transition);
}

.navbar.scrolled {
    background-color: var(--color-nav-bg);
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo img {
    height: 40px;
    transition: transform var(--transition);
}

@media (hover: hover) {
    .nav-logo:hover img {
        transform: scale(1.05);
    }
}

@media (hover: none) {
    .nav-logo:active img {
        transform: scale(1.05);
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-link {
    display: flex;
    align-items: center;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: var(--color-text-muted);
    transition: color var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition);
}

.nav-link.active {
    color: var(--color-text);
}

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

@media (hover: hover) {
    .nav-link:hover {
        color: var(--color-text);
    }
    .nav-link:hover::after {
        width: 100%;
    }
}

@media (hover: none) {
    .nav-link:active {
        color: var(--color-text);
    }
    .nav-link:active::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-color: var(--color-text);
    transition: var(--transition);
}

/* ========================================
   Nav Actions (Language & Theme Toggle)
======================================== */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 24px;
}

.nav-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: transparent;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    color: var(--color-text-muted);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

@media (hover: hover) {
    .nav-action-btn:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }
}

@media (hover: none) {
    .nav-action-btn:active {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }
}

.nav-action-btn i {
    font-size: 18px;
}

/* ========================================
   Dropdown Menu
======================================== */
.nav-item {
    position: relative;
}

.nav-item.has-dropdown > .nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-item.has-dropdown > .nav-link::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid currentColor;
    transition: transform var(--transition);
    position: static;
    background: none;
}

.nav-item.has-dropdown:hover > .nav-link::after {
    transform: rotate(180deg);
}

/* 标题栏滚动后，下拉三角形变为橙色 */
.navbar.scrolled .nav-item.has-dropdown > .nav-link::after {
    border-top-color: var(--color-accent);
}

.nav-item.has-dropdown > .nav-link::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition);
}

.nav-item.has-dropdown:hover > .nav-link::before,
.nav-item.has-dropdown > .nav-link.active::before {
    width: calc(100% - 14px);
}

/* Dropdown Panel */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    background-color: var(--color-nav-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    padding: 16px 20px;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
}

.nav-item.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 8px 0;
    font-size: 14px;
    color: var(--color-text-muted);
    transition: color var(--transition);
    white-space: nowrap;
}

@media (hover: hover) {
    .dropdown-menu a:hover {
        color: var(--color-accent);
    }
}

@media (hover: none) {
    .dropdown-menu a:active {
        color: var(--color-accent);
    }
}

/* 隐藏旧的mega-menu-panel */
.mega-menu-panel {
    display: none;
}

/* ========================================
   Sections Common
======================================== */
.section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 100px 40px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: 60px;
}

/* ========================================
   Buttons
======================================== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg);
    border-color: var(--color-accent);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition);
    z-index: -1;
}

@media (hover: hover) {
    .btn-primary:hover {
        color: var(--color-accent);
    }
    .btn-primary:hover::before {
        transform: scaleX(1);
        transform-origin: left;
    }
}

@media (hover: none) {
    .btn-primary:active {
        color: var(--color-accent);
    }
    .btn-primary:active::before {
        transform: scaleX(1);
        transform-origin: left;
    }
}

.btn-outline {
    background-color: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-outline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
    z-index: -1;
}

@media (hover: hover) {
    .btn-outline:hover {
        color: var(--color-bg);
    }
    .btn-outline:hover::before {
        transform: scaleX(1);
        transform-origin: right;
    }
}

@media (hover: none) {
    .btn-outline:active {
        color: var(--color-bg);
    }
    .btn-outline:active::before {
        transform: scaleX(1);
        transform-origin: right;
    }
}

/* ========================================
   Hero Section
======================================== */
.hero {
    position: relative;
    text-align: center;
    background: var(--color-bg);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    margin: 0 auto;
}

/* Hero 加载占位背景 */
.hero-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    transition: opacity 1.5s ease;
}

.hero.carousel-ready .hero-placeholder {
    opacity: 0;
    pointer-events: none;
}

.hero-placeholder-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a17 0%, #2C2C27 50%, #1a1a17 100%);
}

.hero-scroll-text {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    display: flex;
    white-space: nowrap;
    animation: scrollText 20s linear infinite;
}

.hero-scroll-text span {
    font-size: clamp(120px, 20vw, 280px);
    font-weight: 900;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 147, 0, 0.15);
    text-stroke: 1px rgba(255, 147, 0, 0.15);
    margin-right: 80px;
    user-select: none;
}

@keyframes scrollText {
    0% { transform: translateY(-50%) translateX(0); }
    100% { transform: translateY(-50%) translateX(-50%); }
}

/* Hero 背景轮播 */
.hero-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    opacity: 0;
    transition: opacity 1.5s ease;
}

.hero.carousel-ready .hero-carousel {
    opacity: 1;
}

.hero-carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1);
    transition: opacity 3s cubic-bezier(0.25, 1, 0.5, 1),
                transform 10s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-carousel-slide.active {
    opacity: 1;
    transform: scale(1.1);
}

.hero-carousel-slide.fade-out {
    opacity: 0;
}

/* 渐变遮罩（深色主题） */
.hero-carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: linear-gradient(
        180deg,
        rgba(44, 44, 39, 0.2) 0%,
        rgba(44, 44, 39, 0.5) 35%,
        rgba(44, 44, 39, 0.75) 65%,
        rgba(44, 44, 39, 0.95) 100%
    );
    pointer-events: none;
    opacity: 0;
    transition: opacity 1.5s ease;
}

.hero.carousel-ready .hero-carousel-overlay {
    opacity: 1;
}

/* 浅色主题遮罩 */
[data-theme="light"] .hero-carousel-overlay {
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.3) 0%,
        rgba(255, 255, 255, 0.55) 35%,
        rgba(255, 255, 255, 0.8) 65%,
        rgba(255, 255, 255, 0.97) 100%
    );
}

/* 作者署名 */
.hero-image-credit {
    position: absolute;
    bottom: 80px;
    right: 40px;
    z-index: 4;
    opacity: 0;
    transition: opacity 0.6s ease;
}

/* 只有轮播准备好后，署名才显示 */
.hero.carousel-ready .hero-image-credit.show {
    opacity: 1;
}

.credit-label,
.credit-artist {
    font-size: 11px;
    letter-spacing: 0.5px;
    color: rgba(255, 255, 255, 0.6);
}

.credit-label {
    margin-right: 4px;
}

.credit-artist {
    color: rgba(255, 255, 255, 0.8);
}

[data-theme="light"] .credit-label,
[data-theme="light"] .credit-artist {
    color: rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .credit-artist {
    color: rgba(0, 0, 0, 0.7);
}

.hero-title {
    font-size: clamp(40px, 8vw, 72px);
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 24px;
    color: #2C2C27;
    text-shadow: none;
    transition: color 1.5s ease, text-shadow 1.5s ease;
}

/* 轮播加载完成后，标题变为白色 */
.hero.carousel-ready .hero-title {
    color: #FFFFFF;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-title .accent {
    color: var(--color-accent);
}

[data-theme="light"] .hero-title {
    color: #2C2C27;
    text-shadow: none;
}

[data-theme="light"] .hero.carousel-ready .hero-title {
    color: var(--color-text);
    text-shadow: 0 2px 20px rgba(255, 255, 255, 0.5);
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--color-text-muted);
    margin-bottom: 16px;
    line-height: 1.8;
}

.hero-desc {
    font-size: 12px;
    color: var(--color-text-muted);
    opacity: 0.4;
    margin-bottom: 40px;
}

.hero-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 24px;
}

.hero-link {
    font-size: 14px;
    color: var(--color-text-muted);
    transition: color var(--transition);
}

@media (hover: hover) {
    .hero-link:hover {
        color: var(--color-accent);
    }
}

@media (hover: none) {
    .hero-link:active {
        color: var(--color-accent);
    }
}

/* 移动端适配 */
@media (max-width: 768px) {
    .hero-carousel-slide {
        background-position: center top;
    }

    .hero-image-credit {
        bottom: 100px;
        right: 20px;
        left: 20px;
        text-align: right;
    }

    .credit-label,
    .credit-artist {
        font-size: 10px;
    }
}

.hero-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-arrow {
    display: block;
    font-size: 24px;
    color: var(--color-accent);
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(10px); opacity: 0.5; }
}

/* ========================================
   Mod Section
======================================== */
.mod-section {
    position: relative;
    overflow: hidden;
}

.mod-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background-image: url('https://s2.loli.net/2025/11/20/FMN1VeRlCEop3B7.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    mask-image: linear-gradient(to left, rgba(0,0,0,0.6) 0%, transparent 100%);
    -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.6) 0%, transparent 100%);
}

.mod-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.mod-info {
    max-width: 600px;
}

.mod-badge {
    display: inline-block;
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    margin-bottom: 24px;
}

.mod-subtitle {
    font-size: 18px;
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: 8px;
}

.mod-tagline {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 24px;
}

.mod-desc {
    font-size: 16px;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
}

.mod-features {
    display: flex;
    gap: 48px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    flex-direction: column;
}

.feature-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-accent);
}

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

.mod-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

/* ========================================
   Section Actions (通用)
======================================== */
.section-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 48px;
}

/* ========================================
   Community Section
======================================== */
.community-section {
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-light) 100%);
}

/* Community Entrance Carousel Background */
.community-entrance {
    position: relative;
    overflow: hidden;
}

.entrance-carousel-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.entrance-carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: translateX(0);
    transition: opacity 1.2s ease-out, transform 1.2s ease-out;
}

.entrance-carousel-slide.active {
    opacity: 0.5;
    transform: translateX(0);
}

.entrance-carousel-slide.slide-out-left {
    opacity: 0;
    transform: translateX(-8%);
}

.entrance-carousel-slide.slide-in-right {
    opacity: 0;
    transform: translateX(8%);
}

.community-entrance::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-bg-light) 0%, rgba(58, 58, 51, 0.6) 50%, transparent 100%);
    z-index: 1;
    pointer-events: none;
}

[data-theme="light"] .community-entrance::before {
    background: linear-gradient(90deg, var(--color-bg-light) 0%, rgba(240, 240, 240, 0.6) 50%, transparent 100%);
}

[data-theme="light"] .entrance-carousel-slide.active {
    opacity: 0.4;
}

[data-theme="light"] .media-thumb::before {
    background: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .video-thumb::after {
    background: linear-gradient(to top, rgba(0,0,0,0.3) 0%, transparent 50%);
}

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

.community-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.community-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 40px 24px;
    text-align: center;
    transition: all var(--transition);
}

@media (hover: hover) {
    .community-card:hover {
        border-color: var(--color-accent);
        transform: translateY(-4px);
    }
}

@media (hover: none) {
    .community-card:active {
        border-color: var(--color-accent);
    }
}

.card-icon {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.community-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.card-number {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text-muted);
    font-family: monospace;
}

.card-link {
    font-size: 14px;
    color: var(--color-accent);
}

.community-card-steam {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* ========================================
   Tutorials Section
======================================== */
.tutorials-section {
    background-color: var(--color-bg);
}

.tutorials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.tutorial-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition);
}

@media (hover: hover) {
    .tutorial-card:hover {
        border-color: var(--color-accent);
    }
}

@media (hover: none) {
    .tutorial-card:active {
        border-color: var(--color-accent);
    }
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.tutorial-info {
    padding: 24px;
}

.tutorial-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

/* ========================================
   Contact Section
======================================== */
.contact-section {
    background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg) 100%);
    text-align: center;
}

.contact-content {
    display: flex;
    justify-content: center;
}

.contact-email {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.email-label {
    font-size: 14px;
    color: var(--color-text-muted);
    letter-spacing: 1px;
}

.email-address {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 600;
    color: var(--color-accent);
    transition: opacity var(--transition);
}

@media (hover: hover) {
    .email-address:hover {
        opacity: 0.8;
    }
}

@media (hover: none) {
    .email-address:active {
        opacity: 0.8;
    }
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 60px;
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 24px;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

@media (hover: hover) {
    .contact-card:hover {
        border-color: var(--color-accent);
        transform: translateY(-4px);
    }
}

@media (hover: none) {
    .contact-card:active {
        border-color: var(--color-accent);
    }
}

.contact-card i {
    font-size: 40px;
    color: var(--color-accent);
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
}

.contact-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}

.contact-card-btn {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-accent);
    transition: opacity var(--transition);
}

@media (hover: hover) {
    .contact-card:hover .contact-card-btn {
        opacity: 0.8;
    }
}

@media (hover: none) {
    .contact-card:active .contact-card-btn {
        opacity: 0.8;
    }
}

@media (max-width: 768px) {
    .contact-cards {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Footer
======================================== */
.footer {
    background-color: var(--color-bg-dark);
    padding: 60px 40px 30px;
}

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

.footer-main {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
}

.footer-logo {
    height: 32px;
    margin-bottom: 12px;
}

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

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-col h4 {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 12px;
    transition: color var(--transition);
}

@media (hover: hover) {
    .footer-col a:hover {
        color: var(--color-accent);
    }
}

@media (hover: none) {
    .footer-col a:active {
        color: var(--color-accent);
    }
}

.footer-bottom {
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    color: var(--color-text-muted);
}

.footer-credits {
    margin-top: 8px;
    font-size: 12px !important;
    opacity: 0.7;
}

.footer-disclaimer {
    margin-top: 12px;
    font-size: 11px !important;
    opacity: 0.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* ========================================
   Responsive
======================================== */
@media (max-width: 1024px) {
    .community-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tutorials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mod-bg {
        width: 100%;
        opacity: 0.15;
        mask-image: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 100%);
        -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.4) 0%, transparent 100%);
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0 20px;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        background-color: var(--color-nav-bg);
        flex-direction: column;
        padding: calc(var(--nav-height) + 20px) 20px 20px 20px;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li {
        border-bottom: 1px solid var(--color-border);
    }

    .nav-link {
        display: block;
        padding: 16px 0;
    }

    .nav-link::after {
        display: none;
    }

    /* 移动端下拉菜单 */
    .nav-item.has-dropdown > .nav-link::after {
        display: inline-block;
        position: static;
        margin-left: 8px;
        transition: transform 0.3s ease;
    }

    .nav-item.has-dropdown.active > .nav-link::after {
        transform: rotate(180deg);
    }

    .nav-item.has-dropdown .dropdown-menu {
        position: static;
        transform: none !important;
        background: transparent;
        backdrop-filter: none;
        border: none;
        padding: 0;
        min-width: 0;
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: none;
        /* 使用 GPU 加速的 clip-path 替代 max-height */
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease !important;
    }

    .nav-item.has-dropdown.active .dropdown-menu {
        max-height: 300px;
        pointer-events: auto;
    }

    .nav-item.has-dropdown .dropdown-menu a {
        display: block;
        padding: 12px 20px;
        color: var(--color-text-muted) !important;
        font-size: 14px;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .nav-item.has-dropdown .dropdown-menu a:active {
        color: var(--color-accent);
    }

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

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

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

    .nav-actions {
        position: absolute;
        right: 60px;
        top: 50%;
        transform: translateY(-50%);
        margin-left: 0;
    }

    .nav-action-btn {
        width: 32px;
        height: 32px;
        font-size: 11px;
    }

    .section {
        padding: 80px 20px;
    }

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

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

    .mod-features {
        gap: 32px;
    }

    .footer-main {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 40px;
    }

    .hero-links {
        flex-direction: column;
        gap: 12px;
    }

    .mod-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .section-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* ========================================
   Sub Pages Common
======================================== */
.page-hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 40px 80px;
    overflow: hidden;
}

.page-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.65;
}

.page-hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, var(--color-bg) 0%, transparent 30%, transparent 70%, var(--color-bg) 100%);
}

.page-hero-content {
    position: relative;
    z-index: 1;
}

.page-hero-logo {
    max-width: 240px;
    height: auto;
    margin-bottom: 16px;
}

.page-hero h1 {
    font-size: clamp(40px, 8vw, 64px);
    font-weight: 700;
    margin: 16px 0;
}

.page-hero-subtitle {
    font-size: 20px;
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: 16px;
}

.page-hero-meta {
    display: flex;
    gap: 24px;
    justify-content: center;
    margin-bottom: 32px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.page-section {
    padding: 80px 40px;
}

.page-section-compact {
    padding: 40px 40px 80px;
}

.page-section-alt {
    background-color: var(--color-bg-light);
}

/* ========================================
   Download Page
======================================== */
.download-mod-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.download-mod-card {
    display: block;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition);
}

@media (hover: hover) {
    .download-mod-card:hover {
        border-color: var(--color-accent);
        transform: translateY(-4px);
    }
}

@media (hover: none) {
    .download-mod-card:active {
        border-color: var(--color-accent);
    }
}

.download-mod-thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: var(--color-bg);
}

.download-mod-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

@media (hover: hover) {
    .download-mod-card:hover .download-mod-thumb img {
        transform: scale(1.05);
    }
}

.download-mod-info {
    padding: 20px;
}

.download-mod-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
}

.download-mod-info p {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 12px;
    line-height: 1.5;
}

.download-mod-link {
    font-size: 14px;
    color: var(--color-accent);
    font-weight: 500;
}

.download-tool-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.download-tool-card {
    display: block;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
}

@media (hover: hover) {
    .download-tool-card:hover {
        border-color: var(--color-accent);
        transform: translateY(-4px);
    }
}

@media (hover: none) {
    .download-tool-card:active {
        border-color: var(--color-accent);
    }
}

.download-tool-icon {
    color: var(--color-accent);
    margin-bottom: 16px;
    font-size: 32px;
}

.download-tool-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
}

.download-tool-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    line-height: 1.5;
}

.download-tool-link {
    font-size: 14px;
    color: var(--color-accent);
    font-weight: 500;
}

@media (max-width: 1024px) {
    .download-mod-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .download-tool-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .download-mod-grid {
        grid-template-columns: 1fr;
    }
    .download-tool-grid {
        grid-template-columns: 1fr;
    }
}

/* Logo 背景纹理 */
.page-section-logo-bg {
    position: relative;
    overflow: hidden;
}

.page-section-logo-bg::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150%;
    height: 150%;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    opacity: 0.04;
    pointer-events: none;
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.page-section-logo-bg.logo-game::before {
    background-image: url('https://s2.loli.net/2025/11/30/vJY8WkLd7hGAnPU.png');
}

.page-section-logo-bg.logo-team::before {
    background-image: url('https://s2.loli.net/2025/06/12/qCLiGk4BdamZvXW.png');
}

/* ========================================
   Mod Page
======================================== */
.mod-intro {
    max-width: 800px;
    margin: 0 auto;
}

.mod-intro h2 {
    font-size: 32px;
    margin-bottom: 24px;
    color: var(--color-accent);
}

.mod-intro h3 {
    font-size: 20px;
    margin: 32px 0 16px;
    color: var(--color-text);
}

.mod-intro p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

.mod-intro ul, .mod-intro ol {
    color: var(--color-text-muted);
    margin-left: 24px;
    margin-bottom: 16px;
}

.mod-intro li {
    margin-bottom: 8px;
}

.mod-warning {
    background-color: rgba(255, 147, 0, 0.1);
    border-left: 3px solid var(--color-accent);
    padding: 16px 20px;
    margin-bottom: 24px;
    color: var(--color-text);
}

.mod-divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 32px 0;
}

/* Guide blocks */
.guide-block {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 32px;
    margin-bottom: 24px;
}

.guide-block h3 {
    font-size: 20px;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.guide-block h4 {
    font-size: 16px;
    color: var(--color-text);
    margin: 24px 0 12px;
}

.guide-block ol {
    color: var(--color-text-muted);
    margin-left: 24px;
}

.guide-block li {
    margin-bottom: 12px;
    line-height: 1.7;
}

.guide-note {
    color: var(--color-accent);
    font-style: italic;
    margin-bottom: 20px;
}

/* Related mods */
.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.related-card {
    display: flex;
    flex-direction: column;
    padding: 24px;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

@media (hover: hover) {
    .related-card:hover {
        border-color: var(--color-accent);
        transform: translateY(-2px);
    }
}

@media (hover: none) {
    .related-card:active {
        border-color: var(--color-accent);
    }
}

.related-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.related-link {
    font-size: 14px;
    color: var(--color-accent);
}

/* Team wall */
.team-section {
    background: linear-gradient(180deg, var(--color-bg-light) 0%, var(--color-bg) 100%);
}

.team-wall {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 24px 40px;
    padding: 60px 0;
}

.team-name {
    color: var(--color-text-muted);
    white-space: nowrap;
}

.team-name.size-1 {
    font-size: 28px;
    font-weight: 500;
}

.team-name.size-2 {
    font-size: 32px;
    font-weight: 500;
}

.team-name.size-3 {
    font-size: 36px;
    font-weight: 600;
    color: var(--color-text);
}

/* ========================================
   Community Page
======================================== */
.about-content {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
}

.about-content p {
    font-size: 18px;
    color: var(--color-text-muted);
    line-height: 1.9;
}

/* ========================================
   Responsive - Sub Pages
======================================== */
/* Media Card (Video thumbnail) */
.media-card {
    display: block;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition);
}

@media (hover: hover) {
    .media-card:hover {
        border-color: var(--color-accent);
        transform: translateY(-4px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    }
}

@media (hover: none) {
    .media-card:active {
        border-color: var(--color-accent);
    }
}

.media-thumb {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 */
    background-color: var(--color-bg);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.media-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-thumb::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    transition: background var(--transition);
    z-index: 1;
}

@media (hover: hover) {
    .media-card:hover .media-thumb::before {
        background: rgba(0, 0, 0, 0.1);
    }
}

.play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: all var(--transition);
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
}

.play-icon::after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-left: 14px solid #fff;
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    margin-left: 4px;
}

@media (hover: hover) {
    .media-card:hover .play-icon {
        background: var(--color-accent);
        border-color: var(--color-accent);
        transform: translate(-50%, -50%) scale(1.1);
    }
    .media-card:hover .play-icon::after {
        border-left-color: var(--color-bg);
    }
}

@media (hover: none) {
    .media-card:active .play-icon {
        background: var(--color-accent);
        border-color: var(--color-accent);
    }
    .media-card:active .play-icon::after {
        border-left-color: var(--color-bg);
    }
}

.media-info {
    padding: 20px 24px;
    border-top: 1px solid var(--color-border);
}

.media-source {
    font-size: 12px;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
    display: block;
}

.media-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
}

/* Guide author */
.guide-author {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
    font-size: 14px;
    color: var(--color-text-muted);
    font-style: italic;
    text-align: right;
}

/* Toast notification */
.toast {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background-color: var(--color-bg);
    border: 1px solid var(--color-accent);
    padding: 14px 28px;
    font-size: 14px;
    color: var(--color-text);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* QQ card clickable */
.community-card.qq-card {
    cursor: pointer;
}

/* Changelog */
.changelog-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 40px;
}

.changelog-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    padding: 24px;
    position: relative;
}

.changelog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.changelog-version {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-accent);
}

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

.changelog-content {
    list-style: none;
    padding: 0;
    margin: 0;
}

.changelog-content li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text-muted);
}

.changelog-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 4px;
    height: 4px;
    background-color: var(--color-accent);
}

.changelog-content li:last-child {
    margin-bottom: 0;
}

.changelog-card-fade {
    border-bottom: none;
}

.changelog-fade-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent, var(--color-bg));
    pointer-events: none;
}

.changelog-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 32px;
    color: var(--color-accent);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
}

@media (hover: hover) {
    .changelog-more:hover {
        gap: 12px;
    }
}

@media (hover: none) {
    .changelog-more:active {
        gap: 12px;
    }
}

/* Contact page logo bg */
.contact-hero-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    opacity: 0.15;
    z-index: 0;
}

/* ========================================
   Responsive - Sub Pages
======================================== */
@media (max-width: 768px) {
    .page-hero {
        padding: 100px 20px 60px;
        min-height: 50vh;
    }

    .page-section {
        padding: 60px 20px;
    }

    .guide-block {
        padding: 20px;
    }

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

    .team-name.size-3 {
        font-size: 28px;
    }

    .team-name.size-2 {
        font-size: 24px;
    }

    .team-name.size-1 {
        font-size: 20px;
    }

    .contact-hero-logo {
        width: 120px;
    }
}

/* ========================================
   Image Gallery / Carousel
======================================== */
.gallery-section {
    background-color: var(--color-bg);
    overflow: hidden;
}

.gallery-section .section-title {
    text-align: center;
    margin-bottom: 40px;
}

.gallery {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.gallery-viewport {
    overflow: hidden;
    flex: 1;
    margin: 0 60px;
}

.gallery-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

.gallery-slide {
    flex-shrink: 0;
    width: 100%;
    padding: 0 20px;
    opacity: 0.4;
    transform: scale(0.85);
    transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    background-color: var(--color-bg-light);
}

.gallery-slide.active {
    opacity: 1;
    transform: scale(1);
}

.gallery-slide img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background-color: var(--color-bg-light);
}

.gallery-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 50px;
    height: 50px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

@media (hover: hover) {
    .gallery-arrow:hover {
        background-color: var(--color-accent);
        border-color: var(--color-accent);
        color: var(--color-bg);
    }
}

@media (hover: none) {
    .gallery-arrow:active {
        background-color: var(--color-accent);
        border-color: var(--color-accent);
        color: var(--color-bg);
    }
}

.gallery-arrow i {
    font-size: 20px;
}

.gallery-prev {
    left: 0;
}

.gallery-next {
    right: 0;
}

.gallery-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
    flex-wrap: wrap;
    padding: 0 20px;
}

.gallery-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition);
    padding: 0;
}

@media (hover: hover) {
    .gallery-dot:hover {
        border-color: var(--color-accent);
    }
}

@media (hover: none) {
    .gallery-dot:active {
        border-color: var(--color-accent);
    }
}

.gallery-dot.active {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

/* Gallery responsive */
@media (max-width: 768px) {
    .gallery-viewport {
        margin: 0 50px;
    }

    .gallery-arrow {
        width: 40px;
        height: 40px;
    }

    .gallery-slide {
        padding: 0 10px;
    }

    .gallery-dots {
        gap: 8px;
    }

    .gallery-dot {
        width: 8px;
        height: 8px;
    }
}

/* ========================================
   Scroll Animations
======================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

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

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.animate-on-scroll {
    opacity: 0;
}

.animate-on-scroll.animated {
    animation-duration: 0.6s;
    animation-fill-mode: forwards;
    animation-timing-function: cubic-bezier(0.25, 1, 0.5, 1);
}

.animate-on-scroll.animated[data-animation="fade-in"] {
    animation-name: fadeIn;
}

.animate-on-scroll.animated[data-animation="slide-up"] {
    animation-name: slideUp;
}

.animate-on-scroll.animated[data-animation="slide-left"] {
    animation-name: slideLeft;
}

.animate-on-scroll.animated[data-animation="slide-right"] {
    animation-name: slideRight;
}

.animate-on-scroll.animated[data-animation="scale-in"] {
    animation-name: scaleIn;
}

/* ========================================
   Section Decorations
======================================== */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header .section-title {
    margin-bottom: 16px;
}

.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}

.section-divider::before,
.section-divider::after {
    content: '';
    width: 40px;
    height: 2px;
    background-color: var(--color-accent);
}

.section-divider-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    transform: rotate(45deg);
}

.highlight-box {
    background-color: var(--color-bg-light);
    border-left: 3px solid var(--color-accent);
    padding: 24px 32px;
    margin: 32px 0;
}

.highlight-box p {
    margin: 0;
    color: var(--color-text);
}

.stats-row {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin: 48px 0;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 8px;
    letter-spacing: 1px;
}

/* ========================================
   Page Loader
======================================== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding-bottom: 80px;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-logo {
    width: 64px;
    position: relative;
    z-index: 1;
    filter: grayscale(1) contrast(10);
}

.loader-logo-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-logo-wrapper::before {
    content: '';
    position: absolute;
    width: 84px;
    height: 84px;
    border: 5px solid transparent;
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: loaderSpin 1s linear infinite;
}

.loader-text {
    color: var(--color-text-muted);
    font-size: 14px;
    letter-spacing: 2px;
}

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

/* 内容加载状态 */
.content-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 80px 20px;
    color: var(--color-text-muted);
    font-size: 14px;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: loaderSpin 0.8s linear infinite;
}

/* ========================================
   Search Box
======================================== */
.search-box {
    margin-bottom: 40px;
    text-align: center;
}

.search-input {
    width: 100%;
    max-width: 400px;
    padding: 0 20px;
    height: 48px;
    font-size: 14px;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    transition: border-color var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.search-input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.5;
}

/* ========================================
   Back to Top Button
======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

@media (hover: hover) {
    .back-to-top:hover {
        background-color: var(--color-accent);
        border-color: var(--color-accent);
        color: var(--color-bg);
    }
}

@media (hover: none) {
    .back-to-top:active {
        background-color: var(--color-accent);
        border-color: var(--color-accent);
        color: var(--color-bg);
    }
}

.back-to-top i {
    font-size: 20px;
}

/* ========================================
   Enhanced Hover Effects
======================================== */
/* Footer logo hover */
.footer-brand img {
    transition: transform var(--transition);
}

@media (hover: hover) {
    .footer-brand:hover img {
        transform: rotate(10deg) scale(1.1);
    }
}

@media (hover: none) {
    .footer-brand:active img {
        transform: rotate(10deg) scale(1.1);
    }
}

/* Team name hover glow */
.team-name {
    transition: all var(--transition);
}

@media (hover: hover) {
    .team-name:hover {
        color: var(--color-accent);
        text-shadow: 0 0 20px rgba(255, 147, 0, 0.4);
    }
}

@media (hover: none) {
    .team-name:active {
        color: var(--color-accent);
        text-shadow: 0 0 20px rgba(255, 147, 0, 0.4);
    }
}

/* Mod badge pulse */
.mod-badge {
    transition: all var(--transition);
}

@media (hover: hover) {
    .mod-badge:hover {
        background-color: rgba(255, 147, 0, 0.1);
        box-shadow: 0 0 0 4px rgba(255, 147, 0, 0.1);
    }
}

@media (hover: none) {
    .mod-badge:active {
        background-color: rgba(255, 147, 0, 0.1);
        box-shadow: 0 0 0 4px rgba(255, 147, 0, 0.1);
    }
}

/* Feature item hover */
.feature-item {
    transition: transform var(--transition);
}

@media (hover: hover) {
    .feature-item:hover {
        transform: translateY(-4px);
    }
    .feature-item:hover .feature-number {
        text-shadow: 0 0 20px rgba(255, 147, 0, 0.5);
    }
}

/* ========================================
   Game Page (about-game.html)
======================================== */
/* Game Hero */
.game-hero {
    min-height: 70vh;
}

.game-hero .page-hero-bg {
    opacity: 0.7;
}

.game-badge {
    display: inline-block;
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    margin-bottom: 24px;
}

.hero-tags {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.tag {
    padding: 6px 16px;
    font-size: 12px;
    background-color: rgba(255, 147, 0, 0.1);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

/* Game Intro */
.game-intro-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
}

.game-intro-text h2 {
    font-size: 32px;
    margin-bottom: 24px;
}

.game-intro-text p {
    color: var(--color-text-muted);
    line-height: 1.9;
    margin-bottom: 16px;
}

.game-intro-stats .stats-row {
    flex-direction: column;
    gap: 32px;
    align-items: flex-start;
    margin: 0;
}

/* Game Features */
.game-features-section {
    position: relative;
    overflow: hidden;
}

.game-features-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.15;
}

.card-desc {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-top: 8px;
}

/* Game Modes */
.game-modes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.game-mode-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 32px 24px;
    transition: all var(--transition);
}

@media (hover: hover) {
    .game-mode-card:hover {
        border-color: var(--color-accent);
        transform: translateY(-4px);
    }
}

@media (hover: none) {
    .game-mode-card:active {
        border-color: var(--color-accent);
    }
}

.mode-icon {
    display: block;
    font-size: 32px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 16px;
    font-family: monospace;
}

.game-mode-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

.game-mode-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Game Specs */
.game-specs-section {
    position: relative;
    overflow: hidden;
}

.game-specs-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.specs-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 32px;
}

.specs-card-recommended {
    border-color: var(--color-accent);
}

.specs-card-recommended .specs-title {
    color: var(--color-accent);
}

.specs-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.specs-list {
    list-style: none;
}

.specs-list li {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.specs-list li:last-child {
    border-bottom: none;
}

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

.spec-value {
    color: var(--color-text);
    font-size: 14px;
    text-align: right;
}

/* Game CTA */
.game-cta {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.game-cta h2 {
    font-size: 32px;
    margin-bottom: 16px;
}

.game-cta p {
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.cta-price {
    margin-bottom: 32px;
}

.price-value {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-accent);
}

.price-currency {
    font-size: 20px;
    color: var(--color-text-muted);
    margin-left: 8px;
}

/* Game Page Responsive */
@media (max-width: 1024px) {
    .game-modes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .game-intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .game-intro-stats .stats-row {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .game-modes-grid {
        grid-template-columns: 1fr;
    }

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

    .hero-tags {
        gap: 8px;
    }

    .tag {
        padding: 4px 12px;
        font-size: 11px;
    }
}

/* ========================================
   Tutorial Library - Video Grid
======================================== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.video-card {
    display: block;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: all var(--transition);
    text-decoration: none;
    position: relative;
}

@media (hover: hover) {
    .video-card:hover {
        border-color: var(--color-accent);
        transform: translateY(-4px);
    }
}

@media (hover: none) {
    .video-card:active {
        border-color: var(--color-accent);
    }
}

.video-thumb {
    position: relative;
    padding-bottom: 56.25%;
    background-color: var(--color-bg);
    overflow: hidden;
}

.video-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition);
}

@media (hover: hover) {
    .video-card:hover .video-thumb::after {
        opacity: 1;
    }
}

.bilibili-icon {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition);
}

@media (hover: hover) {
    .video-card:hover .bilibili-icon {
        background-color: #00a1d6;
    }
}

.bilibili-icon svg {
    width: 20px;
    height: 20px;
    fill: #fff;
}

.video-info {
    padding: 16px;
    position: relative;
}

.video-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
}

.video-desc {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Tooltip for full description */
.video-tooltip {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    padding: 12px;
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.6;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition);
    z-index: 10;
    pointer-events: none;
    max-height: 150px;
    overflow-y: auto;
}

@media (hover: hover) {
    .video-card:hover .video-tooltip {
        opacity: 1;
        visibility: visible;
        transform: translateY(-4px);
    }
}

/* ========================================
   Tutorial Library - Search & Pagination
======================================== */
.search-form {
    display: flex;
    align-items: center;
    gap: 12px;
    width: fit-content;
    max-width: 600px;
    position: relative;
    z-index: 100;
    margin: 0 auto;
}

.search-input-wrapper {
    position: relative;
}

.search-input-wrapper .search-input {
    width: 200px;
    max-width: 350px;
    padding-right: 40px;
    transition: width 0.3s ease;
}

.search-clear {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 18px;
    line-height: 1;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.search-clear.visible {
    opacity: 1;
    visibility: visible;
}

@media (hover: hover) {
    .search-clear:hover {
        color: var(--color-text);
    }
}

@media (hover: none) {
    .search-clear:active {
        color: var(--color-text);
    }
}

.search-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 24px;
    height: 48px;
    background-color: var(--color-accent);
    border: 1px solid var(--color-accent);
    color: var(--color-bg);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

@media (hover: hover) {
    .search-btn:hover {
        background-color: transparent;
        color: var(--color-accent);
    }
}

@media (hover: none) {
    .search-btn:active {
        background-color: transparent;
        color: var(--color-accent);
    }
}

/* 筛选下拉 */
.filter-dropdown {
    position: relative;
    z-index: 100;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 20px;
    height: 48px;
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.filter-btn:hover,
.filter-dropdown.active .filter-btn {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.filter-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 180px;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition);
    z-index: 1000;
}

.filter-dropdown.active .filter-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.filter-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    cursor: pointer;
    transition: background-color var(--transition);
}

@media (hover: hover) {
    .filter-item:hover {
        background-color: var(--color-bg-hover);
    }
}

@media (hover: none) {
    .filter-item:active {
        background-color: var(--color-bg-hover);
    }
}

.filter-checkbox {
    width: 18px;
    height: 18px;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    flex-shrink: 0;
}

.filter-item.checked .filter-checkbox {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.filter-checkbox i {
    font-size: 12px;
    color: var(--color-bg);
    opacity: 0;
    transition: opacity var(--transition);
}

.filter-item.checked .filter-checkbox i {
    opacity: 1;
}

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

/* 筛选菜单两列布局 */
.filter-menu-columns {
    display: flex;
    gap: 0;
}

.filter-column {
    min-width: 140px;
    padding: 8px 0;
}

.filter-column:not(:last-child) {
    border-right: 1px solid var(--color-border);
}

.filter-column-title {
    font-size: 12px;
    color: var(--color-text-muted);
    padding: 4px 16px 8px;
    font-weight: 500;
}

.filter-menu.has-columns {
    padding: 0;
}

.results-info {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    margin-top: 48px;
}

.page-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (hover: hover) {
    .page-btn:hover:not(:disabled):not(.active) {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }
}

@media (hover: none) {
    .page-btn:active:not(:disabled):not(.active) {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }
}

.page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-btn.active {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
}

.page-ellipsis {
    color: var(--color-text-muted);
    padding: 0 4px;
    font-size: 14px;
}

.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

.no-results p {
    font-size: 16px;
}

/* Loading state */
.video-grid-loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

/* ========================================
   Tutorial Library - Responsive
======================================== */
@media (max-width: 1024px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .search-form {
        flex-direction: column;
    }

    .search-btn {
        padding: 12px 24px;
    }

    .pagination {
        gap: 4px;
    }

    .page-btn {
        min-width: 32px;
        height: 32px;
        padding: 0 8px;
        font-size: 13px;
    }

    .page-ellipsis {
        padding: 0 2px;
    }

    .video-tooltip {
        display: none;
    }
}

.gallery-coming-soon {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 14px;
    margin-top: 60px;
    padding: 20px 0;
}

/* ========================================
   Gallery Page - Artist Block
======================================== */
.artist-block {
    margin-bottom: 40px;
}

.artist-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    padding: 24px;
}

.artist-header {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.artist-name {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

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

.artist-gallery {
    position: relative;
    overflow: hidden;
    transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: max-height;
    contain: layout style;
}

.artist-gallery.collapsed {
    max-height: 320px;
}

.artist-gallery.expanded {
    max-height: 3000px;
}

.gallery-fade-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 180px;
    background: linear-gradient(to bottom, transparent 0%, var(--color-bg-light) 70%);
    pointer-events: none;
    z-index: 10;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.artist-gallery.expanded .gallery-fade-overlay {
    opacity: 0;
}

.gallery-pagination {
    margin-top: 32px;
    margin-bottom: 8px;
}

.artist-toggle {
    display: block;
    margin: 20px auto 0;
    padding: 10px 28px;
    font-size: 14px;
    font-weight: 500;
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

@media (hover: hover) {
    .artist-toggle:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }
}

@media (hover: none) {
    .artist-toggle:active {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }
}

/* ========================================
   Gallery Page - Grid Layout (拼图风格)
======================================== */
.masonry-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 140px;
    gap: 12px;
}

.masonry-item {
    cursor: pointer;
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    position: relative;
}

/* 随机大小 - 通过 JS 添加 size-* 类 */
.masonry-item.size-large {
    grid-column: span 2;
    grid-row: span 2;
}

.masonry-item.size-tall {
    grid-row: span 2;
}

.masonry-item.size-wide {
    grid-column: span 2;
}

@media (hover: hover) {
    .masonry-item:hover {
        border-color: var(--color-accent);
        transform: scale(1.02);
        z-index: 1;
    }
}

@media (hover: none) {
    .masonry-item:active {
        border-color: var(--color-accent);
    }
}

.masonry-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition);
}

@media (hover: hover) {
    .masonry-item:hover img {
        transform: scale(1.05);
    }
}

/* ========================================
   Gallery Page - Lightbox
======================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-image {
    max-width: 90vw;
    max-height: 80vh;
    object-fit: contain;
    display: block;
}

.lightbox.loading .lightbox-image {
    opacity: 0;
}

.lightbox.loading .lightbox-caption,
.lightbox.loading .lightbox-close {
    opacity: 0;
}

.lightbox.loading::after {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid rgba(255,255,255,0.2);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: lightbox-spin 0.8s linear infinite;
    z-index: 10;
}

@keyframes lightbox-spin {
    to { transform: rotate(360deg); }
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (hover: hover) {
    .lightbox-close:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }
}

@media (hover: none) {
    .lightbox-close:active {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.lightbox-prev {
    left: -70px;
}

.lightbox-next {
    right: -70px;
}

@media (hover: hover) {
    .lightbox-prev:hover,
    .lightbox-next:hover {
        background-color: var(--color-accent);
        border-color: var(--color-accent);
    }
}

@media (hover: none) {
    .lightbox-prev:active,
    .lightbox-next:active {
        background-color: var(--color-accent);
        border-color: var(--color-accent);
    }
}

.lightbox-prev i,
.lightbox-next i {
    font-size: 24px;
}

.lightbox-prev:disabled,
.lightbox-next:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

@media (hover: hover) {
    .lightbox-prev:disabled:hover,
    .lightbox-next:disabled:hover {
        background-color: rgba(0, 0, 0, 0.5);
        border-color: rgba(255,255,255,0.3);
    }
}

.lightbox-caption {
    text-align: center;
    padding: 16px;
    color: #fff;
    font-size: 16px;
}

/* ========================================
   Gallery Page - Artist Pagination
======================================== */
.artist-pagination {
    margin-top: 24px;
}

/* ========================================
   Workshop Page (创意工坊页)
======================================== */
#workshopPanel {
    margin-top: 32px;
}

.creator-block {
    margin-bottom: 40px;
}

.creator-card {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    padding: 24px;
}

.creator-header {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.creator-name {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
}

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

.creator-gallery {
    position: relative;
    overflow: hidden;
    transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: max-height;
    contain: layout style;
}

.creator-gallery.collapsed {
    max-height: 420px;
}

.creator-gallery.expanded {
    max-height: 5000px;
}

.creator-gallery.expanded .gallery-fade-overlay {
    opacity: 0;
}

.creator-toggle {
    display: block;
    margin: 20px auto 0;
    padding: 10px 28px;
    font-size: 14px;
    font-weight: 500;
    background-color: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}

@media (hover: hover) {
    .creator-toggle:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }
}

@media (hover: none) {
    .creator-toggle:active {
        border-color: var(--color-accent);
        color: var(--color-accent);
    }
}

/* Workshop Grid */
.workshop-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.workshop-item {
    position: relative;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: transform var(--transition), border-color var(--transition);
    will-change: transform;
}

@media (hover: hover) {
    .workshop-item:hover {
        border-color: var(--color-accent);
        transform: translateY(-4px);
    }
}

@media (hover: none) {
    .workshop-item:active {
        border-color: var(--color-accent);
    }
}

.workshop-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.workshop-thumb {
    position: relative;
    padding-bottom: 56.25%;
    background-color: var(--color-bg);
    overflow: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.workshop-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
    transform-origin: center top;
}

@media (hover: hover) {
    .workshop-item:hover .workshop-thumb img {
        transform: scale(1.05);
    }
}

.workshop-thumb-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: -1px;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 12px;
    opacity: 0;
    transition: opacity var(--transition);
}

@media (hover: hover) {
    .workshop-item:hover .workshop-thumb-overlay {
        opacity: 1;
    }
}

.workshop-thumb-overlay i {
    font-size: 24px;
    color: #fff;
}

.workshop-info {
    padding: 14px;
}

.workshop-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
    margin: 0 0 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.workshop-desc {
    font-size: 12px;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Preview Button */
.workshop-preview {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    background-color: rgba(0, 0, 0, 0.6);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all var(--transition);
    z-index: 5;
}

@media (hover: hover) {
    .workshop-item:hover .workshop-preview {
        opacity: 1;
    }
    .workshop-preview:hover {
        background-color: var(--color-accent);
    }
}

@media (hover: none) {
    .workshop-preview:active {
        background-color: var(--color-accent);
    }
}

.workshop-preview i {
    font-size: 18px;
}

.workshop-pagination {
    margin-top: 32px;
    margin-bottom: 8px;
}

/* ========================================
   Gallery Page - Responsive
======================================== */
@media (max-width: 1024px) {
    .masonry-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 120px;
    }

    .workshop-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .masonry-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 100px;
    }

    .masonry-item.size-large {
        grid-column: span 2;
        grid-row: span 2;
    }

    .artist-gallery.collapsed {
        max-height: 260px;
    }

    .artist-card,
    .creator-card {
        padding: 20px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .lightbox-close {
        top: 10px;
        right: 10px;
    }

    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
    }

    .workshop-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .creator-gallery.collapsed {
        max-height: 520px;
    }

    .workshop-preview {
        opacity: 1;
    }
}

@media (max-width: 480px) {
    .masonry-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 80px;
    }

    .artist-gallery.collapsed {
        max-height: 200px;
    }

    .artist-card,
    .creator-card {
        padding: 16px;
    }

    .creator-gallery.collapsed {
        max-height: 400px;
    }
}

/* ========================================
   FAQ Page - Accordion
======================================== */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.faq-item {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: border-color var(--transition);
}

@media (hover: hover) {
    .faq-item:hover {
        border-color: var(--color-accent);
    }
}

@media (hover: none) {
    .faq-item:active {
        border-color: var(--color-accent);
    }
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    cursor: pointer;
    color: var(--color-text);
    font-size: 16px;
    font-weight: 600;
    transition: color var(--transition);
}

.faq-question span {
    flex: 1;
}

@media (hover: hover) {
    .faq-question:hover {
        color: var(--color-accent);
    }
}

@media (hover: none) {
    .faq-question:active {
        color: var(--color-accent);
    }
}

.faq-question i {
    font-size: 20px;
    color: var(--color-accent);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 24px 24px;
    color: var(--color-text-muted);
    line-height: 1.8;
    font-size: 14px;
}

@media (max-width: 768px) {
    .faq-question {
        padding: 16px 20px;
        font-size: 14px;
    }

    .faq-answer-content {
        padding: 0 20px 20px;
        font-size: 13px;
    }
}

/* ========================================
   创意工坊预览板块
   ======================================== */

.workshop-preview-section {
    position: relative;
    background-color: var(--color-bg-light);
}

.workshop-preview-section .workshop-preview-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://cdn.fastly.steamstatic.com/steam/apps/387990/page_bg_generated_v6b.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.workshop-preview-section .workshop-preview-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, transparent 7%, var(--color-bg-light) 100%);
}

.workshop-preview-section .btn-primary::before {
    background-color: var(--color-bg-light);
}

.workshop-preview-section .workshop-preview-fade {
    background: linear-gradient(to bottom, transparent 0%, var(--color-bg-light) 90%);
}

.workshop-preview-section .btn {
    margin-top: 32px;
}

.workshop-preview-container {
    position: relative;
    overflow: hidden;
}

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

.workshop-preview-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to bottom, transparent 0%, var(--color-bg) 90%);
    pointer-events: none;
    z-index: 10;
}

@media (max-width: 768px) {
    .workshop-preview-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .workshop-preview-grid {
        grid-template-columns: 1fr;
    }
}