/* ============================================
   腾龙游戏官网 - 主样式表
   Tenglong Games Official Website
   ============================================ */

/* ---------- CSS变量定义 ---------- */
:root {
    /* 品牌色 */
    --tl-gold: #D4A843;
    --tl-gold-light: #F0D78C;
    --tl-gold-dark: #B8892E;
    --tl-dragon-red: #C41E3A;
    --tl-deep-blue: #0A1628;
    --tl-mid-blue: #152238;
    --tl-cyan: #00E5FF;
    --tl-cyan-dim: #0096B5;
    
    /* 中性色 */
    --tl-white: #FFFFFF;
    --tl-off-white: #F5F5F0;
    --tl-gray-100: #E8E8E8;
    --tl-gray-200: #C4C4C4;
    --tl-gray-300: #9E9E9E;
    --tl-gray-400: #707070;
    --tl-gray-500: #4A4A4A;
    --tl-gray-600: #2D2D2D;
    --tl-black: #0D0D0D;
    
    /* 功能色 */
    --tl-success: #00C853;
    --tl-warning: #FF9800;
    --tl-error: #FF1744;
    
    /* 渐变 */
    --tl-gradient-gold: linear-gradient(135deg, #D4A843 0%, #F0D78C 50%, #B8892E 100%);
    --tl-gradient-dark: linear-gradient(180deg, #0A1628 0%, #152238 50%, #1A2A4A 100%);
    --tl-gradient-hero: linear-gradient(135deg, rgba(10,22,40,0.85) 0%, rgba(21,34,56,0.7) 50%, rgba(10,22,40,0.9) 100%);
    --tl-gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    
    /* 阴影 */
    --tl-shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --tl-shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --tl-shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --tl-shadow-gold: 0 0 20px rgba(212,168,67,0.3);
    --tl-shadow-cyan: 0 0 20px rgba(0,229,255,0.2);
    
    /* 圆角 */
    --tl-radius-sm: 4px;
    --tl-radius-md: 8px;
    --tl-radius-lg: 16px;
    --tl-radius-xl: 24px;
    --tl-radius-full: 9999px;
    
    /* 间距 */
    --tl-space-xs: 0.5rem;
    --tl-space-sm: 1rem;
    --tl-space-md: 1.5rem;
    --tl-space-lg: 2rem;
    --tl-space-xl: 3rem;
    --tl-space-2xl: 4rem;
    --tl-space-3xl: 6rem;
    
    /* 字体 */
    --tl-font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --tl-font-display: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --tl-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* 过渡 */
    --tl-transition-fast: 0.2s ease;
    --tl-transition-normal: 0.3s ease;
    --tl-transition-slow: 0.5s ease;
    
    /* 布局 */
    --tl-container-max: 1280px;
    --tl-header-height: 80px;
}

/* ---------- 重置与全局 ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--tl-header-height);
}

body {
    font-family: var(--tl-font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--tl-gray-100);
    background-color: var(--tl-deep-blue);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--tl-transition-fast);
}

a:hover {
    color: var(--tl-gold);
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ---------- 工具类 ---------- */
.tl-container {
    max-width: var(--tl-container-max);
    margin: 0 auto;
    padding: 0 var(--tl-space-md);
}

.tl-section {
    padding: var(--tl-space-3xl) 0;
    position: relative;
}

.tl-section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--tl-white);
    text-align: center;
    margin-bottom: var(--tl-space-sm);
    letter-spacing: 2px;
}

.tl-section-title::before {
    content: '◆ ';
    color: var(--tl-gold);
    font-size: 0.7em;
    vertical-align: middle;
}

.tl-section-subtitle {
    font-size: 1.1rem;
    color: var(--tl-gray-300);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--tl-space-2xl);
    line-height: 1.8;
}

.tl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 36px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--tl-radius-full);
    transition: all var(--tl-transition-normal);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.tl-btn-primary {
    background: var(--tl-gradient-gold);
    color: var(--tl-deep-blue);
    box-shadow: var(--tl-shadow-gold);
}

.tl-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(212,168,67,0.5);
    color: var(--tl-deep-blue);
}

.tl-btn-outline {
    border: 2px solid var(--tl-gold);
    color: var(--tl-gold);
    background: transparent;
}

.tl-btn-outline:hover {
    background: var(--tl-gold);
    color: var(--tl-deep-blue);
    transform: translateY(-2px);
}

.tl-btn-cyan {
    background: var(--tl-cyan);
    color: var(--tl-deep-blue);
    box-shadow: var(--tl-shadow-cyan);
}

.tl-btn-cyan:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0,229,255,0.5);
    color: var(--tl-deep-blue);
}

/* ---------- 页面背景粒子效果 ---------- */
.tl-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.tl-particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--tl-gold);
    border-radius: 50%;
    opacity: 0;
    animation: tl-float linear infinite;
}

@keyframes tl-float {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(-10vh) scale(1);
    }
}

/* ---------- 导航栏 ---------- */
.tl-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--tl-header-height);
    z-index: 1000;
    transition: all var(--tl-transition-normal);
    background: rgba(10,22,40,0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(212,168,67,0.15);
}

.tl-header.scrolled {
    background: rgba(10,22,40,0.95);
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    border-bottom-color: rgba(212,168,67,0.3);
}

.tl-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--tl-container-max);
    margin: 0 auto;
    padding: 0 var(--tl-space-md);
}

.tl-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1001;
}

.tl-logo img {
    width: 48px;
    height: 48px;
    border-radius: var(--tl-radius-md);
    object-fit: cover;
}

.tl-logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--tl-white);
    letter-spacing: 2px;
}

.tl-logo-text span {
    color: var(--tl-gold);
}

.tl-nav-links {
    display: flex;
    align-items: center;
    gap: var(--tl-space-lg);
}

.tl-nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--tl-gray-200);
    padding: 8px 4px;
    position: relative;
    transition: color var(--tl-transition-fast);
}

.tl-nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--tl-gradient-gold);
    transition: width var(--tl-transition-normal);
}

.tl-nav-links a:hover::after,
.tl-nav-links a.active::after {
    width: 100%;
}

.tl-nav-links a:hover,
.tl-nav-links a.active {
    color: var(--tl-gold);
}

.tl-nav-cta {
    display: flex;
    align-items: center;
    gap: var(--tl-space-sm);
}

.tl-nav-cta .tl-btn {
    padding: 10px 24px;
    font-size: 0.9rem;
}

/* 移动端菜单按钮 */
.tl-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.tl-mobile-toggle span {
    width: 28px;
    height: 2px;
    background: var(--tl-gold);
    transition: all var(--tl-transition-fast);
    border-radius: 2px;
}

/* ---------- Hero区域 ---------- */
.tl-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: var(--tl-header-height);
}

.tl-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

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

.tl-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--tl-gradient-hero);
    z-index: -1;
}

.tl-hero-overlay::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(to top, var(--tl-deep-blue) 0%, transparent 100%);
}

.tl-hero-content {
    text-align: center;
    max-width: 900px;
    padding: var(--tl-space-md);
    position: relative;
    z-index: 1;
}

.tl-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(212,168,67,0.1);
    border: 1px solid rgba(212,168,67,0.3);
    border-radius: var(--tl-radius-full);
    font-size: 0.85rem;
    color: var(--tl-gold);
    margin-bottom: var(--tl-space-lg);
    backdrop-filter: blur(10px);
}

.tl-hero-badge::before {
    content: '🔥';
}

.tl-hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    color: var(--tl-white);
    line-height: 1.2;
    margin-bottom: var(--tl-space-md);
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.tl-hero-title span {
    background: var(--tl-gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tl-hero-desc {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--tl-gray-200);
    max-width: 700px;
    margin: 0 auto var(--tl-space-xl);
    line-height: 1.9;
}

.tl-hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--tl-space-md);
    flex-wrap: wrap;
}

.tl-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--tl-space-md);
    margin-top: var(--tl-space-3xl);
    padding: var(--tl-space-lg);
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--tl-radius-xl);
    backdrop-filter: blur(10px);
}

.tl-hero-stat {
    text-align: center;
}

.tl-hero-stat-num {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--tl-gold);
    display: block;
}

.tl-hero-stat-label {
    font-size: 0.85rem;
    color: var(--tl-gray-300);
    margin-top: 4px;
}

/* Hero滚动提示 */
.tl-scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--tl-gray-300);
    font-size: 0.8rem;
    animation: tl-bounce 2s ease infinite;
    z-index: 1;
}

.tl-scroll-hint::after {
    content: '';
    width: 24px;
    height: 40px;
    border: 2px solid var(--tl-gold);
    border-radius: 12px;
    position: relative;
}

.tl-scroll-hint::before {
    content: '';
    width: 4px;
    height: 8px;
    background: var(--tl-gold);
    border-radius: 2px;
    position: absolute;
    bottom: 12px;
    animation: tl-scroll-dot 2s ease infinite;
}

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

@keyframes tl-scroll-dot {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(12px); }
}

/* ---------- 游戏产品区域 ---------- */
.tl-games {
    background: var(--tl-gradient-dark);
    position: relative;
}

.tl-games::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--tl-gold), transparent);
}

.tl-games-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--tl-space-lg);
    margin-top: var(--tl-space-xl);
}

.tl-game-card {
    background: var(--tl-gradient-card);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--tl-radius-xl);
    overflow: hidden;
    transition: all var(--tl-transition-normal);
    position: relative;
}

.tl-game-card:hover {
    transform: translateY(-8px);
    border-color: rgba(212,168,67,0.4);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4), var(--tl-shadow-gold);
}

.tl-game-card-img {
    width: 100%;
    height: 220px;
    overflow: hidden;
    position: relative;
}

.tl-game-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--tl-transition-slow);
}

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

.tl-game-card-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: rgba(196,30,58,0.9);
    color: var(--tl-white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--tl-radius-sm);
    letter-spacing: 1px;
}

.tl-game-card-body {
    padding: var(--tl-space-lg);
}

.tl-game-card-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--tl-white);
    margin-bottom: var(--tl-space-xs);
}

.tl-game-card-desc {
    font-size: 0.9rem;
    color: var(--tl-gray-300);
    line-height: 1.7;
    margin-bottom: var(--tl-space-md);
}

.tl-game-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--tl-space-sm);
    border-top: 1px solid rgba(255,255,255,0.08);
}

.tl-game-card-genre {
    font-size: 0.8rem;
    color: var(--tl-gold);
    background: rgba(212,168,67,0.1);
    padding: 4px 12px;
    border-radius: var(--tl-radius-full);
}

.tl-game-card-link {
    font-size: 0.85rem;
    color: var(--tl-cyan);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--tl-transition-fast);
}

.tl-game-card-link:hover {
    gap: 8px;
    color: var(--tl-cyan);
}

/* ---------- 特色服务区域 ---------- */
.tl-features {
    background: var(--tl-deep-blue);
    position: relative;
}

.tl-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--tl-space-lg);
    margin-top: var(--tl-space-xl);
}

.tl-feature-card {
    display: flex;
    gap: var(--tl-space-lg);
    padding: var(--tl-space-xl);
    background: linear-gradient(145deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--tl-radius-xl);
    transition: all var(--tl-transition-normal);
}

.tl-feature-card:hover {
    border-color: rgba(0,229,255,0.3);
    background: linear-gradient(145deg, rgba(0,229,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    transform: translateX(4px);
}

.tl-feature-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212,168,67,0.1);
    border: 1px solid rgba(212,168,67,0.2);
    border-radius: var(--tl-radius-lg);
    font-size: 1.8rem;
}

.tl-feature-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--tl-white);
    margin-bottom: var(--tl-space-xs);
}

.tl-feature-content p {
    font-size: 0.9rem;
    color: var(--tl-gray-300);
    line-height: 1.7;
}

/* ---------- 电竞赛事区域 ---------- */
.tl-esports {
    background: linear-gradient(180deg, var(--tl-deep-blue) 0%, #0F1B30 50%, var(--tl-deep-blue) 100%);
    position: relative;
    overflow: hidden;
}

.tl-esports::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 30% 50%, rgba(196,30,58,0.08) 0%, transparent 50%);
    pointer-events: none;
}

.tl-esports-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--tl-space-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.tl-esports-info h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--tl-white);
    margin-bottom: var(--tl-space-md);
    line-height: 1.3;
}

.tl-esports-info h2 span {
    color: var(--tl-dragon-red);
}

.tl-esports-info p {
    font-size: 1rem;
    color: var(--tl-gray-300);
    line-height: 1.9;
    margin-bottom: var(--tl-space-lg);
}

.tl-esports-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--tl-space-md);
    margin-bottom: var(--tl-space-lg);
}

.tl-esports-stat {
    text-align: center;
    padding: var(--tl-space-md);
    background: rgba(255,255,255,0.03);
    border-radius: var(--tl-radius-md);
    border: 1px solid rgba(255,255,255,0.06);
}

.tl-esports-stat-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--tl-gold);
}

.tl-esports-stat-label {
    font-size: 0.8rem;
    color: var(--tl-gray-300);
    margin-top: 4px;
}

.tl-esports-img {
    position: relative;
    border-radius: var(--tl-radius-xl);
    overflow: hidden;
    box-shadow: var(--tl-shadow-lg);
}

.tl-esports-img img {
    width: 100%;
    height: auto;
    transition: transform var(--tl-transition-slow);
}

.tl-esports-img:hover img {
    transform: scale(1.03);
}

/* ---------- 客服中心区域 ---------- */
.tl-support {
    background: var(--tl-deep-blue);
    position: relative;
}

.tl-support-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--tl-space-2xl);
    align-items: center;
    margin-top: var(--tl-space-xl);
}

.tl-support-img {
    border-radius: var(--tl-radius-xl);
    overflow: hidden;
    box-shadow: var(--tl-shadow-lg);
}

.tl-support-img img {
    width: 100%;
    height: auto;
}

.tl-support-cards {
    display: flex;
    flex-direction: column;
    gap: var(--tl-space-md);
}

.tl-support-item {
    display: flex;
    gap: var(--tl-space-md);
    padding: var(--tl-space-lg);
    background: linear-gradient(145deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--tl-radius-lg);
    transition: all var(--tl-transition-normal);
}

.tl-support-item:hover {
    border-color: rgba(212,168,67,0.3);
    transform: translateX(4px);
}

.tl-support-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,229,255,0.1);
    border-radius: var(--tl-radius-md);
    font-size: 1.5rem;
}

.tl-support-text h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tl-white);
    margin-bottom: 4px;
}

.tl-support-text p {
    font-size: 0.85rem;
    color: var(--tl-gray-300);
    line-height: 1.6;
}

.tl-support-contact {
    margin-top: var(--tl-space-md);
    padding: var(--tl-space-lg);
    background: linear-gradient(135deg, rgba(212,168,67,0.08) 0%, rgba(212,168,67,0.02) 100%);
    border: 1px solid rgba(212,168,67,0.2);
    border-radius: var(--tl-radius-lg);
    text-align: center;
}

.tl-support-contact .tl-hotline {
    font-size: 2rem;
    font-weight: 800;
    color: var(--tl-gold);
    letter-spacing: 2px;
    display: block;
    margin: var(--tl-space-xs) 0;
}

/* ---------- VIP区域 ---------- */
.tl-vip {
    background: linear-gradient(180deg, #0F1B30 0%, #1A1530 50%, #0F1B30 100%);
    position: relative;
    overflow: hidden;
}

.tl-vip::before {
    content: '';
    position: absolute;
    top: 0;
    right: -20%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(212,168,67,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.tl-vip-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--tl-space-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.tl-vip-img {
    border-radius: var(--tl-radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.tl-vip-img img {
    width: 100%;
    height: auto;
}

.tl-vip-info h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--tl-white);
    margin-bottom: var(--tl-space-md);
}

.tl-vip-info h2 span {
    background: var(--tl-gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tl-vip-list {
    margin: var(--tl-space-lg) 0;
}

.tl-vip-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.95rem;
    color: var(--tl-gray-200);
}

.tl-vip-item::before {
    content: '✦';
    color: var(--tl-gold);
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* ---------- 移动端APP区域 ---------- */
.tl-mobile {
    background: var(--tl-deep-blue);
    text-align: center;
}

.tl-mobile-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--tl-space-xl);
}

.tl-mobile-img {
    max-width: 500px;
    border-radius: var(--tl-radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.tl-mobile-img img {
    width: 100%;
    height: auto;
}

.tl-mobile-btns {
    display: flex;
    gap: var(--tl-space-md);
    flex-wrap: wrap;
    justify-content: center;
}

.tl-mobile-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: var(--tl-white);
    color: var(--tl-black);
    border-radius: var(--tl-radius-md);
    font-weight: 600;
    transition: all var(--tl-transition-normal);
}

.tl-mobile-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--tl-shadow-md);
    color: var(--tl-black);
}

.tl-mobile-btn-icon {
    font-size: 1.5rem;
}

/* ---------- 新闻公告区域 ---------- */
.tl-news {
    background: var(--tl-gradient-dark);
}

.tl-news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--tl-space-lg);
    margin-top: var(--tl-space-xl);
}

.tl-news-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--tl-radius-lg);
    overflow: hidden;
    transition: all var(--tl-transition-normal);
}

.tl-news-card:hover {
    border-color: rgba(212,168,67,0.3);
    transform: translateY(-4px);
}

.tl-news-date {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(212,168,67,0.15);
    color: var(--tl-gold);
    font-size: 0.8rem;
    border-radius: var(--tl-radius-sm);
    margin: var(--tl-space-md) var(--tl-space-md) 0;
}

.tl-news-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tl-white);
    padding: var(--tl-space-sm) var(--tl-space-md);
    line-height: 1.5;
    transition: color var(--tl-transition-fast);
}

.tl-news-card:hover h3 {
    color: var(--tl-gold);
}

.tl-news-card p {
    font-size: 0.85rem;
    color: var(--tl-gray-300);
    padding: 0 var(--tl-space-md) var(--tl-space-md);
    line-height: 1.7;
}

/* ---------- 合作伙伴区域 ---------- */
.tl-partners {
    background: var(--tl-deep-blue);
    text-align: center;
}

.tl-partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--tl-space-md);
    margin-top: var(--tl-space-xl);
    align-items: center;
}

.tl-partner-logo {
    padding: var(--tl-space-md);
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--tl-radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--tl-gray-300);
    transition: all var(--tl-transition-normal);
    text-align: center;
}

.tl-partner-logo:hover {
    color: var(--tl-gold);
    border-color: rgba(212,168,67,0.3);
    background: rgba(212,168,67,0.05);
}

/* ---------- 页脚 ---------- */
.tl-footer {
    background: #050D18;
    padding: var(--tl-space-3xl) 0 var(--tl-space-lg);
    border-top: 1px solid rgba(212,168,67,0.15);
}

.tl-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: var(--tl-space-xl);
    margin-bottom: var(--tl-space-2xl);
}

.tl-footer-brand img {
    width: 56px;
    height: 56px;
    border-radius: var(--tl-radius-md);
    margin-bottom: var(--tl-space-sm);
}

.tl-footer-brand h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--tl-white);
    margin-bottom: var(--tl-space-xs);
}

.tl-footer-brand h3 span {
    color: var(--tl-gold);
}

.tl-footer-brand p {
    font-size: 0.85rem;
    color: var(--tl-gray-300);
    line-height: 1.7;
    max-width: 300px;
}

.tl-footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--tl-white);
    margin-bottom: var(--tl-space-md);
    padding-bottom: var(--tl-space-xs);
    border-bottom: 1px solid rgba(212,168,67,0.2);
}

.tl-footer-col ul li {
    margin-bottom: 10px;
}

.tl-footer-col ul li a {
    font-size: 0.85rem;
    color: var(--tl-gray-300);
    transition: color var(--tl-transition-fast);
}

.tl-footer-col ul li a:hover {
    color: var(--tl-gold);
    padding-left: 4px;
}

.tl-footer-contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--tl-gray-300);
    margin-bottom: 12px;
}

.tl-footer-contact-item strong {
    color: var(--tl-gold);
}

.tl-footer-bottom {
    padding-top: var(--tl-space-lg);
    border-top: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--tl-space-sm);
}

.tl-footer-copy {
    font-size: 0.8rem;
    color: var(--tl-gray-400);
}

.tl-footer-links {
    display: flex;
    gap: var(--tl-space-md);
}

.tl-footer-links a {
    font-size: 0.8rem;
    color: var(--tl-gray-400);
}

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

/* ---------- 返回顶部按钮 ---------- */
.tl-back-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--tl-gradient-gold);
    color: var(--tl-deep-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--tl-transition-normal);
    z-index: 999;
    box-shadow: var(--tl-shadow-gold);
}

.tl-back-top.visible {
    opacity: 1;
    visibility: visible;
}

.tl-back-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(212,168,67,0.5);
}

/* ---------- 在线客服浮动按钮 ---------- */
.tl-chat-float {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 56px;
    height: 56px;
    background: var(--tl-cyan);
    color: var(--tl-deep-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 999;
    box-shadow: var(--tl-shadow-cyan);
    animation: tl-pulse 2s ease infinite;
    transition: transform var(--tl-transition-fast);
}

.tl-chat-float:hover {
    transform: scale(1.1);
}

@keyframes tl-pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0,229,255,0.3); }
    50% { box-shadow: 0 0 40px rgba(0,229,255,0.6); }
}

/* ---------- 页面加载动画 ---------- */
.tl-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ---------- SEO隐藏内容 ---------- */
.tl-seo-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* ---------- 结构化数据标记样式（不可见） ---------- */
.tl-schema {
    display: none;
}

/* ---------- 响应式设计 ---------- */
@media (max-width: 1024px) {
    .tl-games-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tl-news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tl-partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .tl-footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .tl-footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    :root {
        --tl-header-height: 64px;
    }
    
    .tl-nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: rgba(10,22,40,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: var(--tl-space-xl);
        transition: right var(--tl-transition-normal);
        border-left: 1px solid rgba(212,168,67,0.15);
    }
    
    .tl-nav-links.active {
        right: 0;
    }
    
    .tl-mobile-toggle {
        display: flex;
    }
    
    .tl-mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .tl-mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .tl-mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .tl-nav-cta {
        display: none;
    }
    
    .tl-hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--tl-space-sm);
    }
    
    .tl-games-grid {
        grid-template-columns: 1fr;
    }
    
    .tl-features-grid {
        grid-template-columns: 1fr;
    }
    
    .tl-esports-content {
        grid-template-columns: 1fr;
    }
    
    .tl-support-grid {
        grid-template-columns: 1fr;
    }
    
    .tl-vip-content {
        grid-template-columns: 1fr;
    }
    
    .tl-news-grid {
        grid-template-columns: 1fr;
    }
    
    .tl-partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .tl-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tl-footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .tl-hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .tl-hero-actions .tl-btn {
        width: 100%;
        max-width: 280px;
    }
}

@media (max-width: 480px) {
    .tl-container {
        padding: 0 var(--tl-space-sm);
    }
    
    .tl-section {
        padding: var(--tl-space-2xl) 0;
    }
    
    .tl-hero-title {
        font-size: 2rem;
    }
    
    .tl-partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tl-footer-grid {
        grid-template-columns: 1fr;
    }
    
    .tl-chat-float {
        width: 48px;
        height: 48px;
        bottom: 20px;
        left: 20px;
    }
    
    .tl-back-top {
        width: 42px;
        height: 42px;
        bottom: 20px;
        right: 20px;
    }
}