/* ========== 基础重置 & 变量 ========== */
:root {
    --primary: #e85d04;
    --primary-dark: #bf4800;
    --primary-light: #ff7b2c;
    --gold: #ffd700;
    --gold-dark: #b8860b;
    --bg-dark: #0a0a0f;
    --bg-card: #14141f;
    --bg-card-hover: #1c1c2e;
    --text-primary: #ffffff;
    --text-secondary: #b0b0c0;
    --text-muted: #6b6b80;
    --border: rgba(255, 255, 255, 0.08);
    --border-gold: rgba(255, 215, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1280px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

img, video {
    max-width: 100%;
    display: block;
}

/* ========== 导航栏 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--gold);
}

.nav-logo img {
    height: 38px;
    width: auto;
    border-radius: 8px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.nav-download {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff !important;
    margin-left: 8px;
    padding: 10px 20px !important;
    border-radius: 24px;
    font-weight: 600;
}

.nav-download:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(232, 93, 4, 0.4);
}

/* 汉堡菜单 */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
    opacity: 0;
}
.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10, 10, 15, 0.3) 0%,
        rgba(10, 10, 15, 0.6) 40%,
        rgba(10, 10, 15, 0.92) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.badge-fire {
    background: rgba(232, 93, 4, 0.2);
    border: 1px solid rgba(232, 93, 4, 0.4);
    color: var(--primary-light);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-discount {
    background: rgba(255, 215, 0, 0.15);
    border: 1px solid rgba(255, 215, 0, 0.4);
    color: var(--gold);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.4); }
    50% { box-shadow: 0 0 0 10px rgba(255, 215, 0, 0); }
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.title-sub {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--gold);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.title-main {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 900;
    background: linear-gradient(135deg, #ffd700 0%, #ff8c00 50%, #ffd700 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    line-height: 1.3;
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 28px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #ff6600);
    color: #fff;
    box-shadow: 0 8px 30px rgba(232, 93, 4, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(232, 93, 4, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.14);
    transform: translateY(-3px);
}

.btn-icon {
    font-size: 1.2rem;
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.1rem;
    border-radius: 32px;
}

/* 下载按钮二维码浮层 */
.btn-download-wrapper {
    position: relative;
    display: inline-block;
}

.qr-popup {
    position: fixed;
    background: var(--bg-card);
    border: 1px solid var(--border-gold);
    border-radius: var(--radius);
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 1000;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
    pointer-events: none;
}

.qr-popup::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--border-gold);
}

.btn-download-wrapper:hover .qr-popup {
    opacity: 1;
    visibility: visible;
}

.qr-popup-content {
    text-align: center;
}

.qr-popup-content p {
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.qr-popup-content canvas,
.qr-popup-content img {
    display: block;
    margin: 0 auto;
}

/* 下载区域二维码 */
.download-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 24px 0;
}

.download-qr canvas,
.download-qr img {
    display: block;
    width: 160px !important;
    height: 160px !important;
    padding: 10px;
    background: #fff;
    border-radius: 12px;
}

.download-qr p {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* 手机端隐藏下载区二维码及文字 */
@media (max-width: 1024px) {
    .download-qr {
        display: none;
    }
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 32px;
    justify-content: center;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 0 24px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item:last-child {
    border-right: none;
}

.stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--gold);
    line-height: 1.2;
}

.stat-unit {
    font-size: 0.9rem;
    font-weight: 500;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    font-size: 0.75rem;
    animation: bounce 2s infinite;
}

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

.scroll-arrow {
    font-size: 1.2rem;
}

/* ========== Section 通用 ========== */
.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

.section-header.light .section-title,
.section-header.light .section-subtitle {
    color: #fff;
}

.section-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 900;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #fff 0%, #ccc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
}

section {
    padding: 100px 0;
}

/* ========== 游戏特色 ========== */
.features {
    background: var(--bg-dark);
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    background: var(--bg-card-hover);
    border-color: var(--border-gold);
    box-shadow: var(--shadow-card);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
}

.feature-icon img {
    width: 56px;
    height: 56px;
    object-fit: contain;
    border-radius: 12px;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========== 角色展示 ========== */
.characters {
    background: var(--bg-card);
}

.characters-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.character-card {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.character-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-gold);
    box-shadow: var(--shadow-lg);
}

.character-img {
    aspect-ratio: 720/1280;
    overflow: hidden;
}

.character-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.character-card:hover .character-img img {
    transform: scale(1.08);
}



/* ========== 精彩截图 ========== */
.screenshots {
    background: var(--bg-dark);
}

.screenshots-slider {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
}

.screenshots-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 0;
}

.screenshot-item {
    min-width: 100%;
    aspect-ratio: 16/9;
}

.screenshot-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.slider-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.slider-btn.prev { left: 16px; }
.slider-btn.next { right: 16px; }

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: var(--primary);
    width: 30px;
    border-radius: 5px;
}

/* ========== 福利 ========== */
.welfare {
    position: relative;
    background: linear-gradient(135deg, #1a0a00 0%, #0d0d1a 50%, #0a001a 100%);
    overflow: hidden;
}

.welfare-bg-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(232, 93, 4, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 60%);
}

.welfare-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.welfare-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.welfare-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-gold);
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.welfare-card.highlight {
    border-color: var(--border-gold);
    background: rgba(255, 215, 0, 0.06);
    position: relative;
    overflow: hidden;
}

.welfare-card.highlight::after {
    content: 'HOT';
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--primary);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 10px;
}

.welfare-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.welfare-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.welfare-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.welfare-code {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin: 16px 0;
}

.welfare-code span {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--gold);
    letter-spacing: 4px;
    background: rgba(255, 215, 0, 0.1);
    padding: 8px 20px;
    border-radius: 10px;
    border: 1px dashed var(--gold);
}

.btn-copy {
    padding: 8px 16px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: inherit;
    transition: var(--transition);
}

.btn-copy:hover {
    background: var(--primary-light);
}

/* ========== 攻略 ========== */
.guide {
    background: var(--bg-card);
}

.guide-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.guide-card {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 28px;
    text-align: left;
    transition: var(--transition);
}

.guide-card:hover {
    border-color: var(--border-gold);
    box-shadow: var(--shadow-card);
}

.guide-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.guide-card-header .guide-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.guide-card-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gold);
    margin: 0;
}

.guide-section {
    margin-bottom: 20px;
}

.guide-section:last-child {
    margin-bottom: 0;
}

.guide-section h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 10px;
}

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

.guide-list li {
    position: relative;
    padding-left: 18px;
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.guide-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary);
    font-size: 0.8rem;
}

.guide-list li strong {
    color: var(--text-primary);
}

/* ========== 视频 ========== */
.video-section {
    background: var(--bg-dark);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.video-card {
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.video-card:hover {
    border-color: var(--border-gold);
}

.video-card video {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.video-card h3 {
    padding: 16px 20px;
    font-size: 1rem;
    font-weight: 600;
}

/* ========== 下载 ========== */
.download {
    position: relative;
    background: linear-gradient(135deg, #1a0800 0%, #0a0a1a 100%);
    text-align: center;
    overflow: hidden;
}

.download-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(232, 93, 4, 0.15) 0%, transparent 70%);
}

.download-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.download-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    margin: 0 auto 24px;
    box-shadow: 0 8px 32px rgba(232, 93, 4, 0.3);
}

.download h2 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 8px;
}

.download-subtitle {
    font-size: 1.1rem;
    color: var(--gold);
    margin-bottom: 8px;
}

.download-info {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.download-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.download-code {
    background: rgba(255, 215, 0, 0.08);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--radius-sm);
    padding: 16px 24px;
    display: inline-block;
}

.download-code p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.download-code strong {
    color: var(--gold);
    font-size: 1.1rem;
}

/* ========== Footer ========== */
.footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border);
    padding-top: 60px;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 60px;
    padding-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.footer-brand img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

.footer-brand h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.footer-brand p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.footer-col h5 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-col a {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 10px;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--gold);
}

/* 友情链接 */
.footer-friendlinks {
    border-top: 1px solid var(--border);
    padding: 32px 0;
}

.friendlinks-header {
    margin-bottom: 16px;
}

.friendlinks-header h5 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
}

.friendlinks-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
}

.friendlinks-grid a {
    font-size: 0.82rem;
    color: var(--text-muted);
    transition: var(--transition);
    padding: 4px 0;
}

.friendlinks-grid a:hover {
    color: var(--gold);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    text-align: center;
    padding: 20px 24px;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ========== 返回顶部 ========== */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 999;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #ff6600);
    border: none;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(232, 93, 4, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background 0.3s ease;
}

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

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(232, 93, 4, 0.6);
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
}

/* ========== Toast ========== */
.toast {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-card-hover);
    border: 1px solid var(--border-gold);
    color: var(--gold);
    padding: 12px 28px;
    border-radius: 24px;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 9999;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

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

/* ========== 响应式设计 ========== */

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

    .characters-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .guide-content {
        flex-direction: column;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* 手机端 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background: rgba(20, 20, 31, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 90px 24px 40px;
        gap: 8px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        border-left: 1px solid var(--border);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        width: 100%;
        padding: 12px 16px;
        font-size: 1rem;
    }

    .nav-download {
        margin-left: 0;
        text-align: center;
        margin-top: 12px;
    }

    .hamburger {
        display: flex;
    }

    .hero-stats {
        gap: 16px;
    }

    .stat-item {
        padding: 0 12px;
        border-right: none;
    }

    .stat-num {
        font-size: 1.4rem;
    }

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

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

    .guide-content {
        flex-direction: column;
    }

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

    .footer-links {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    section {
        padding: 60px 0;
    }

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

    .hero-title .title-main {
        font-size: 1.8rem;
    }

    .slider-btn {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}

/* 小屏手机 */
@media (max-width: 480px) {
    .characters-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hero-badge {
        flex-direction: column;
        align-items: center;
    }

    .download-btns {
        flex-direction: column;
    }

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

    .back-to-top {
        bottom: 20px;
        right: 16px;
        width: 42px;
        height: 42px;
    }
}