/* ==========================================
   NeoDomain - 科技感前端样式
   ========================================== */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Rajdhani:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

:root {
    /* 霓虹色彩系统 */
    --neon-cyan: #00d4ff;
    --neon-blue: #0066ff;
    --neon-purple: #7c3aed;
    --neon-pink: #ff0080;
    --neon-green: #00ff88;
    --neon-orange: #ff6b35;
    --neon-yellow: #ffbe0b;
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0066ff 50%, #7c3aed 100%);
    --gradient-fire: linear-gradient(135deg, #ff6b35 0%, #ff0080 100%);
    --gradient-aurora: linear-gradient(135deg, #00ff88 0%, #00d4ff 50%, #7c3aed 100%);
    
    /* 背景色 */
    --bg-primary: #050510;
    --bg-secondary: #0a0a1a;
    --bg-card: rgba(10, 10, 30, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.03);
    
    /* 文字色 */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.4);
    
    /* 边框 */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(0, 212, 255, 0.5);
    
    /* 字体 */
    --font-primary: 'Noto Sans SC', -apple-system, sans-serif;
    --font-tech: 'Rajdhani', 'Orbitron', sans-serif;
    --font-display: 'Orbitron', monospace;
}

/* 基础重置 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    cursor: default;
}


/* ==========================================
   动态背景
   ========================================== */
.bg-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

/* 星空背景 */
.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.8), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.9), transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 230px 80px, rgba(255,255,255,0.5), transparent);
    background-repeat: repeat;
    background-size: 300px 200px;
    animation: twinkle 4s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* 网格背景 */
.grid-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(80px); }
}

/* 发光球体 */
.glow-orbs {
    position: absolute;
    width: 100%;
    height: 100%;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: orbFloat 15s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    top: -200px;
    right: -200px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.3) 0%, transparent 70%);
    bottom: -100px;
    left: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 0, 128, 0.2) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -30px) scale(1.1); }
    50% { transform: translate(-30px, 50px) scale(0.9); }
    75% { transform: translate(40px, 30px) scale(1.05); }
}

/* 数据流 */
.data-streams {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.stream {
    position: absolute;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--neon-cyan), transparent);
    animation: streamFall linear infinite;
    opacity: 0.3;
}

@keyframes streamFall {
    0% { transform: translateY(-100vh); }
    100% { transform: translateY(100vh); }
}

/* 粒子效果 */
.particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--neon-cyan);
    border-radius: 50%;
    animation: particleFloat 10s ease-in-out infinite;
    box-shadow: 0 0 10px var(--neon-cyan);
}

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translate(var(--tx), var(--ty)); opacity: 0; }
}

/* 扫描线 */
.scan-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    animation: scanMove 8s linear infinite;
    opacity: 0.5;
}

@keyframes scanMove {
    0% { top: -2px; }
    100% { top: 100%; }
}

/* ==========================================
   导航栏
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    z-index: 1000;
    background: rgba(5, 5, 16, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(5, 5, 16, 0.95);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    opacity: 0.5;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 14px;
    color: white;
    position: relative;
    overflow: hidden;
}

.logo-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.3) 50%, transparent 60%);
    animation: logoShine 3s linear infinite;
}

@keyframes logoShine {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(0, 212, 255, 0.1);
}

.nav-link.highlight {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.nav-link.highlight:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.4);
}

.dropdown-arrow {
    width: 16px;
    height: 16px;
    fill: currentColor;
    transition: transform 0.3s ease;
}

.has-dropdown {
    position: relative;
}

.has-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 180px;
    background: rgba(20, 20, 35, 0.98);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(20px);
    z-index: 1000;
}

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

.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.dropdown-menu a:hover {
    color: var(--neon-cyan);
    background: rgba(0, 212, 255, 0.1);
    padding-left: 20px;
}

/* 导航右侧 */
.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* 升级会员按钮 */
.upgrade-member-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: linear-gradient(135deg, #ffd700, #ffaa00);
    border: none;
    border-radius: 20px;
    color: #000;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(255, 215, 0, 0.3);
}

.upgrade-member-btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.upgrade-member-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.5);
    background: linear-gradient(135deg, #ffdd33, #ffbb33);
}

.btn-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--neon-cyan);
    cursor: pointer;
    transition: all 0.3s ease;
}

.user-avatar:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==========================================
   侧边栏
   ========================================== */
.sidebar {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: blur(20px);
}

.sidebar-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 10px;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.sidebar-btn::before {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 15px);
    padding: 6px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-primary);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.sidebar-btn:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.sidebar-btn:hover {
    color: var(--neon-cyan);
    background: rgba(0, 212, 255, 0.1);
}

.sidebar-btn.active {
    color: var(--neon-cyan);
    background: rgba(0, 212, 255, 0.15);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.sidebar-btn svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.sidebar-divider {
    width: 30px;
    height: 1px;
    background: var(--border-color);
    margin: 8px auto;
}

/* ==========================================
   主内容区
   ========================================== */
.main-content {
    position: relative;
    z-index: 1;
    margin-left: 90px;
    padding-top: 70px;
}

/* Hero 区域 */
.hero {
    min-height: calc(100vh - 70px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px 80px;
    position: relative;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 300;
    color: var(--text-secondary);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.gradient-text {
    background: var(--gradient-fire);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.gradient-text-blue {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}

.gradient-text-cyan {
    background: var(--gradient-aurora);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 120px;
    font-weight: 900;
    line-height: 1;
    margin: 30px 0;
    position: relative;
}

.title-neo {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: titleGlow 3s ease-in-out infinite;
    text-shadow: none;
    filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.5));
}

.title-domain {
    display: block;
    color: var(--text-primary);
    text-shadow: 
        0 0 10px rgba(255, 255, 255, 0.5),
        0 0 20px rgba(255, 255, 255, 0.3),
        0 0 40px rgba(255, 255, 255, 0.1);
}

@keyframes titleGlow {
    0%, 100% { filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.5)); }
    50% { filter: drop-shadow(0 0 50px rgba(0, 212, 255, 0.8)); }
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* 打字机效果 */
.typewriter {
    overflow: hidden;
    white-space: nowrap;
    border-right: 3px solid var(--neon-cyan);
    animation: typing 3s steps(30) 1s forwards, blink 0.8s step-end infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    50% { border-color: transparent; }
}

/* ==========================================
   功能卡片
   ========================================== */
.feature-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 60px auto 0;
    padding: 0 20px;
}

.feature-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--neon-cyan);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 30px rgba(0, 212, 255, 0.2);
}

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

.card-image {
    position: relative;
    height: 160px;
    overflow: hidden;
}

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

.feature-card:hover .card-image img {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 50%, var(--bg-primary) 100%);
}

.card-content {
    padding: 20px;
    position: relative;
    z-index: 1;
}

.card-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.card-content p {
    font-size: 14px;
    color: var(--text-tertiary);
}

/* 卡片发光效果 */
.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--neon-cyan), transparent, transparent);
    animation: glowRotate 4s linear infinite;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.feature-card:hover .card-glow {
    opacity: 0.3;
}

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

/* ==========================================
   创作区域
   ========================================== */
.creation-section {
    padding: 100px 80px;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 80px;
}

.section-title span {
    display: block;
}

.highlight-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title.center {
    text-align: center;
}

.creation-grid {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.creation-item {
    display: flex;
    align-items: center;
    gap: 60px;
}

.creation-item.reverse {
    flex-direction: row-reverse;
}

.creation-text {
    flex: 1;
}

.creation-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.creation-desc {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.creation-image {
    flex: 1;
    position: relative;
}

.creation-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.creation-image .image-decoration {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 1px solid var(--neon-cyan);
    border-radius: 25px;
    opacity: 0.3;
}

/* 悬浮动画 */
.floating {
    animation: float 6s ease-in-out infinite;
}

.floating.delay-1 {
    animation-delay: -2s;
}

.floating.delay-2 {
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ==========================================
   展示区域
   ========================================== */
.showcase-section {
    padding: 100px 80px;
    max-width: 1400px;
    margin: 0 auto;
}

.showcase-container {
    position: relative;
}

.showcase-video {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.showcase-video img {
    width: 100%;
    display: block;
}

.showcase-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.4));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 30px;
}

.showcase-text {
    text-align: center;
    font-size: 24px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.showcase-text .highlight {
    color: var(--neon-cyan);
    font-weight: 600;
}

.play-btn {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.4);
}

.play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 50px rgba(0, 212, 255, 0.6);
}

.play-btn svg {
    width: 30px;
    height: 30px;
    fill: white;
    margin-left: 5px;
}

/* ==========================================
   探索区域
   ========================================== */
.explore-section {
    padding: 100px 80px;
    max-width: 1400px;
    margin: 0 auto;
}

.explore-cards {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.explore-card {
    display: flex;
    gap: 40px;
    padding: 30px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    transition: all 0.5s ease;
}

.explore-card:hover {
    border-color: var(--neon-cyan);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.1);
}

.explore-card.reverse {
    flex-direction: row-reverse;
}

.explore-preview {
    width: 300px;
    flex-shrink: 0;
    border-radius: 16px;
    overflow: hidden;
}

.explore-preview img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.explore-card:hover .explore-preview img {
    transform: scale(1.05);
}

.explore-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.explore-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(0, 212, 255, 0.15);
    color: var(--neon-cyan);
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
    margin-bottom: 16px;
    width: fit-content;
}

.explore-tag.orange {
    background: rgba(255, 107, 53, 0.15);
    color: var(--neon-orange);
}

.explore-info h4 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.explore-info p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.explore-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-tertiary);
}

.explore-meta .arrow {
    color: var(--neon-cyan);
}

/* ==========================================
   技术滚动条
   ========================================== */
.tech-banner {
    padding: 40px 0;
    overflow: hidden;
    background: linear-gradient(90deg, var(--bg-primary), rgba(0, 212, 255, 0.05), var(--bg-primary));
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.tech-scroll {
    overflow: hidden;
}

.tech-track {
    display: flex;
    gap: 60px;
    animation: scrollTech 20s linear infinite;
    white-space: nowrap;
}

.tech-item {
    font-family: var(--font-tech);
    font-size: 20px;
    font-weight: 500;
    color: var(--text-tertiary);
    letter-spacing: 3px;
}

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

/* ==========================================
   二维码区域
   ========================================== */
.qrcode-section {
    padding: 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.qrcode-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.qrcode-item {
    text-align: center;
    padding: 30px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.qrcode-item:hover {
    transform: translateY(-5px);
    border-color: var(--neon-cyan);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.1);
}

.qrcode-box {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    padding: 10px;
    background: white;
    border-radius: 12px;
}

.qrcode-box img {
    width: 100%;
    height: 100%;
}

.qrcode-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.qrcode-desc {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ==========================================
   页脚
   ========================================== */
.footer {
    padding: 40px 80px;
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.3);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
}

.footer-left .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 12px;
}

.footer-center {
    display: flex;
    gap: 30px;
}

.footer-center a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-center a:hover {
    color: var(--neon-cyan);
}

.footer-right {
    font-size: 13px;
    color: var(--text-tertiary);
}

/* ==========================================
   动画类
   ========================================== */
.animate-fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.animate-slide-up {
    opacity: 0;
    transform: translateY(50px);
    animation: slideUp 0.8s ease forwards;
}

.animate-scale-in {
    opacity: 0;
    transform: scale(0.8);
    animation: scaleIn 0.8s ease forwards;
}

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

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

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

/* 延迟类 */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ==========================================
   响应式
   ========================================== */
@media (max-width: 1200px) {
    .feature-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-title {
        font-size: 80px;
    }
    
    .qrcode-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .nav-center {
        display: none;
    }
    
    .hero {
        padding: 40px 20px;
    }
    
    .hero-title {
        font-size: 50px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .feature-cards {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }
    
    .creation-section,
    .showcase-section,
    .explore-section {
        padding: 60px 20px;
    }
    
    .creation-item,
    .creation-item.reverse,
    .explore-card,
    .explore-card.reverse {
        flex-direction: column;
    }
    
    .explore-preview {
        width: 100%;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-center {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .qrcode-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
}

/* ==========================================
   AI 小助理
   ========================================== */
.ai-assistant {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 9999;
}

/* 悬浮按钮 */
.ai-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 4px 20px rgba(0, 212, 255, 0.4),
        0 0 40px rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
}

.ai-btn:hover {
    transform: scale(1.1);
    box-shadow: 
        0 6px 30px rgba(0, 212, 255, 0.5),
        0 0 60px rgba(0, 212, 255, 0.3);
}

.ai-btn-icon {
    width: 28px;
    height: 28px;
    color: white;
    z-index: 1;
}

.ai-btn-icon svg {
    width: 100%;
    height: 100%;
}

.ai-btn-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--gradient-primary);
    animation: aiPulse 2s ease-out infinite;
}

.ai-btn-pulse.delay {
    animation-delay: 1s;
}

@keyframes aiPulse {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }
    100% {
        transform: scale(1.8);
        opacity: 0;
    }
}

/* 游客提示气泡 */
.ai-guest-bubble {
    position: absolute;
    bottom: 75px;
    right: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.95), rgba(124, 58, 237, 0.95));
    color: white;
    padding: 12px 18px;
    border-radius: 16px 16px 4px 16px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    display: flex;
    align-items: center;
    box-shadow: 
        0 4px 20px rgba(0, 212, 255, 0.4),
        0 0 40px rgba(124, 58, 237, 0.2);
    animation: bubbleIn 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 9998;
}

.ai-guest-bubble::after {
    content: '';
    position: absolute;
    bottom: -8px;
    right: 20px;
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid rgba(124, 58, 237, 0.95);
}

.ai-guest-bubble.fade-out {
    animation: bubbleOut 0.3s ease forwards;
}

@keyframes bubbleIn {
    0% {
        opacity: 0;
        transform: translateY(10px) scale(0.8);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes bubbleOut {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(-10px) scale(0.8);
    }
}

/* 聊天窗口 */
.ai-chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 680px;
    height: 820px;
    background: rgba(10, 10, 30, 0.95);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(0, 212, 255, 0.1);
    backdrop-filter: blur(20px);
}

.ai-chat-window.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

/* 聊天头部 */
.ai-chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(124, 58, 237, 0.1));
    border-bottom: 1px solid var(--border-color);
}

.ai-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.ai-avatar svg {
    width: 22px;
    height: 22px;
}

.ai-header-info h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.ai-status {
    font-size: 12px;
    color: var(--neon-green);
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 6px;
    height: 6px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.ai-close-btn {
    margin-left: auto;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.ai-close-btn:hover {
    background: rgba(255, 71, 87, 0.1);
    border-color: #ff4757;
    color: #ff4757;
}

.ai-close-btn svg {
    width: 16px;
    height: 16px;
}

/* AI引擎切换栏 */
.ai-provider-switch {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 8px 12px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.1) 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.ai-provider-switch .provider-label {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ai-provider-switch .provider-options {
    display: flex;
    gap: 6px;
    background: rgba(0, 0, 0, 0.3);
    padding: 3px;
    border-radius: 16px;
}

.ai-provider-switch .provider-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    background: transparent;
    border: none;
    border-radius: 14px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
}

.ai-provider-switch .provider-btn:hover {
    color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.08);
}

.ai-provider-switch .provider-btn.active {
    background: linear-gradient(135deg, #00d4ff, #7c3aed);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 212, 255, 0.3);
}

.ai-provider-switch .provider-btn.active svg {
    fill: #fff;
}

.ai-provider-switch .provider-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* 创意标签栏 */
.ai-chat-tabs {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.15) 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    overflow-x: auto;
    scrollbar-width: none;
}

.ai-chat-tabs::-webkit-scrollbar {
    display: none;
}

.ai-chat-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
    position: relative;
}

.ai-chat-tab:hover {
    background: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.2);
}

.ai-chat-tab.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.25), rgba(124, 58, 237, 0.25));
    border-color: rgba(0, 212, 255, 0.5);
    color: #fff;
    box-shadow: 0 2px 12px rgba(0, 212, 255, 0.2);
}

.ai-chat-tab.active::before {
    content: '';
    position: absolute;
    bottom: -9px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
    border-radius: 2px;
}

.ai-chat-tab .tab-title {
    overflow: hidden;
    text-overflow: ellipsis;
}

.ai-chat-tab .tab-close {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
    font-weight: 300;
    line-height: 1;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
    flex-shrink: 0;
    margin-left: -2px;
}

.ai-chat-tab:hover .tab-close {
    opacity: 1;
}

.ai-chat-tab .tab-close:hover {
    background: rgba(255, 71, 87, 0.8);
    color: white;
}

.ai-add-chat-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px dashed rgba(0, 212, 255, 0.4);
    border-radius: 50%;
    color: rgba(0, 212, 255, 0.7);
    font-size: 18px;
    font-weight: 300;
    cursor: pointer;
    transition: all 0.25s ease;
    flex-shrink: 0;
}

.ai-add-chat-btn:hover {
    background: rgba(0, 212, 255, 0.15);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    transform: rotate(90deg);
}

/* 聊天消息区 */
.ai-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ai-chat-messages::-webkit-scrollbar {
    width: 4px;
}

.ai-chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.ai-chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.ai-message {
    display: flex;
    gap: 10px;
    max-width: 90%;
    animation: messageIn 0.3s ease;
}

@keyframes messageIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ai-message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.message-avatar svg {
    width: 18px;
    height: 18px;
}

.ai-message.user .message-avatar {
    background: var(--gradient-fire);
}

.message-content {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.6;
}

.ai-message.bot .message-content {
    border-top-left-radius: 4px;
}

.ai-message.user .message-content {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(124, 58, 237, 0.15));
    border-color: rgba(0, 212, 255, 0.3);
    border-top-right-radius: 4px;
}

.message-content p {
    margin: 0;
}

/* 充值链接样式 */
.ai-recharge-link {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    color: #fff;
    text-decoration: none;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.ai-recharge-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

/* 用户消息中的文件预览 */
.user-files {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.user-file-preview {
    max-width: 200px;
    max-height: 150px;
    border-radius: 8px;
    object-fit: cover;
}

.user-audio-preview {
    width: 200px;
    height: 36px;
    border-radius: 18px;
}

.message-content p + p {
    margin-top: 8px;
}

/* 输入区域 */
.ai-chat-input {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 20px;
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid var(--border-color);
}

.ai-input-row {
    display: flex;
    align-items: flex-end;
    gap: 10px;
}

/* 上传按钮 */
.ai-upload-btns {
    display: flex;
    gap: 6px;
}

.ai-upload-btn {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.ai-upload-btn:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}

.ai-upload-btn svg {
    width: 18px;
    height: 18px;
}

/* 文件预览区 */
.ai-file-preview {
    display: none;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 120px;
    overflow-y: auto;
}

.ai-file-preview.has-files {
    display: flex;
}

.ai-file-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.05);
}

.ai-file-item img,
.ai-file-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ai-file-item .file-type-icon {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--neon-cyan);
    font-size: 10px;
    gap: 4px;
}

.ai-file-item .file-type-icon svg {
    width: 28px;
    height: 28px;
}

.ai-file-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    background: rgba(255, 71, 87, 0.9);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
}

.ai-file-item:hover .ai-file-remove {
    opacity: 1;
}

.ai-chat-input textarea {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: none;
    max-height: 100px;
    outline: none;
    transition: all 0.2s ease;
}

.ai-chat-input textarea::placeholder {
    color: var(--text-tertiary);
}

.ai-chat-input textarea:focus {
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.ai-send-btn {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border: none;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.ai-send-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.ai-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.ai-send-btn svg {
    width: 20px;
    height: 20px;
    fill: none;
}

/* 加载动画 */
.ai-typing {
    display: flex;
    gap: 4px;
    padding: 8px 0;
}

.ai-typing span {
    width: 8px;
    height: 8px;
    background: var(--neon-cyan);
    border-radius: 50%;
    animation: typingDot 1.4s ease-in-out infinite;
}

.ai-typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.ai-typing span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingDot {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

/* 响应式 */
@media (max-width: 768px) {
    .ai-assistant {
        right: 15px;
        bottom: 15px;
    }
    
    .ai-btn {
        width: 50px;
        height: 50px;
    }
    
    .ai-chat-window {
        width: calc(100vw - 30px);
        height: 85vh;
        right: -15px;
        bottom: 70px;
    }
}

@media (max-width: 1200px) {
    .ai-chat-window {
        width: 500px;
        height: 700px;
    }
}

/* ==========================================
   登录/注册弹窗
   ========================================== */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.auth-modal.active {
    display: flex;
}

.auth-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.auth-modal-content {
    position: relative;
    width: 90%;
    max-width: 460px;
    background: linear-gradient(145deg, rgba(20, 20, 40, 0.98), rgba(10, 10, 25, 0.98));
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 
        0 25px 80px rgba(0, 0, 0, 0.5),
        0 0 60px rgba(0, 212, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: modalSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 1;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.auth-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.6);
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    line-height: 1;
}

.auth-close-btn:hover {
    background: rgba(255, 71, 87, 0.2);
    border-color: rgba(255, 71, 87, 0.5);
    color: #ff4757;
}

.auth-title {
    font-size: 28px;
    font-weight: 600;
    color: #fff;
    text-align: center;
    margin-bottom: 32px;
    font-family: var(--font-primary);
}

.auth-input-group {
    position: relative;
    margin-bottom: 20px;
}

.auth-input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: rgba(255, 255, 255, 0.4);
}

.auth-input-icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.auth-input {
    width: 100%;
    height: 52px;
    padding: 0 16px 0 48px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #fff;
    font-size: 15px;
    transition: all 0.3s ease;
}

.auth-input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    background: rgba(0, 212, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.auth-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

/* 验证码输入组 */
.auth-code-group {
    display: flex;
    gap: 12px;
}

.auth-code-group .auth-input {
    flex: 1;
}

.auth-code-btn {
    flex-shrink: 0;
    width: 120px;
    height: 52px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.auth-code-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.auth-code-btn:disabled {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.4);
    cursor: not-allowed;
}

.auth-links {
    display: flex;
    justify-content: space-between;
    margin-bottom: 24px;
}

.auth-links a {
    color: var(--neon-cyan);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.auth-links a:hover {
    color: #fff;
}

.auth-submit-btn {
    width: 100%;
    height: 52px;
    background: linear-gradient(135deg, #3498db, #2980b9);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.auth-submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

.auth-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.auth-agreement {
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.auth-agreement label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
}

.auth-agreement input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--neon-cyan);
}

.auth-agreement a {
    color: var(--neon-cyan);
    text-decoration: none;
}

.auth-switch {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.auth-switch a {
    color: var(--neon-cyan);
    text-decoration: none;
    font-weight: 500;
}

/* 用户信息面板 */
.user-info-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 2px solid var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.user-info-details h3 {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 4px;
}

.user-info-details p {
    font-size: 13px;
    color: var(--neon-cyan);
    display: flex;
    align-items: center;
    gap: 6px;
}

.user-info-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    padding: 16px;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.stat-item {
    flex: 1;
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    font-family: var(--font-tech);
}

.stat-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
}

.user-info-menu {
    margin-bottom: 24px;
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s ease;
    margin-bottom: 8px;
}

.user-menu-item:hover {
    background: rgba(0, 212, 255, 0.1);
    color: #fff;
}

.user-menu-item svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.auth-logout-btn {
    width: 100%;
    height: 48px;
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    border-radius: 12px;
    color: #ff4757;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.auth-logout-btn:hover {
    background: rgba(255, 71, 87, 0.2);
    border-color: rgba(255, 71, 87, 0.5);
}

/* 头像按钮可点击样式 */
.user-avatar {
    cursor: pointer;
    transition: transform 0.3s ease;
}

.user-avatar:hover {
    transform: scale(1.1);
}

.user-avatar.logged-in img {
    border: 2px solid var(--neon-green);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
}

/* 响应式 */
@media (max-width: 480px) {
    .auth-modal-content {
        padding: 30px 24px;
        border-radius: 20px;
    }
    
    .auth-title {
        font-size: 24px;
    }
    
    .auth-code-btn {
        width: 100px;
        font-size: 13px;
    }
}