/**
 * 元宇宙空间站 - 主样式表 v2.0
 * 科幻3D风格 · 赛博朋克UI
 */

/* ==================== CSS变量 ==================== */
:root {
    --cyber-bg: #050810;
    --cyber-bg-light: #0c1220;
    --cyber-bg-card: rgba(12, 22, 45, 0.85);
    --cyber-bg-hover: rgba(0, 240, 255, 0.06);
    --cyber-primary: #00f0ff;
    --cyber-primary-dim: rgba(0, 240, 255, 0.12);
    --cyber-secondary: #ff2d75;
    --cyber-secondary-dim: rgba(255, 45, 117, 0.12);
    --cyber-accent: #a855f7;
    --cyber-accent-dim: rgba(168, 85, 247, 0.12);
    --cyber-success: #10b981;
    --cyber-warning: #f59e0b;
    --cyber-danger: #ef4444;
    --cyber-text: #e2e8f0;
    --cyber-text-dim: #94a3b8;
    --cyber-text-muted: #64748b;
    --cyber-border: rgba(0, 240, 255, 0.15);
    --cyber-border-hover: rgba(0, 240, 255, 0.4);
    --cyber-glow: 0 0 15px rgba(0, 240, 255, 0.25);
    --cyber-glow-strong: 0 0 30px rgba(0, 240, 255, 0.4);
    --cyber-radius: 10px;
    --cyber-radius-lg: 16px;
    --cyber-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --cyber-font: 'Microsoft YaHei', 'PingFang SC', -apple-system, sans-serif;
    --cyber-font-mono: 'Consolas', 'Monaco', monospace;
}

/* ==================== 基础重置 ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: var(--cyber-font);
    background: var(--cyber-bg);
    color: var(--cyber-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}
a { color: var(--cyber-primary); text-decoration: none; transition: var(--cyber-transition); }
a:hover { color: #fff; text-shadow: 0 0 8px var(--cyber-primary); }
img { max-width: 100%; display: block; }

/* ==================== 粒子背景 ==================== */
.particle-bg {
    position: fixed; top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0; pointer-events: none;
}

/* ==================== 导航栏 ==================== */
.cyber-nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(5, 8, 16, 0.88);
    backdrop-filter: blur(20px) saturate(1.5);
    border-bottom: 1px solid var(--cyber-border);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.5), 0 1px 0 var(--cyber-primary-dim);
    height: 64px;
}
.nav-container {
    max-width: 1400px; margin: 0 auto;
    padding: 0 24px; height: 100%;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
    display: flex; align-items: center; gap: 10px;
    font-size: 1.15rem; font-weight: 700; color: var(--cyber-primary);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    flex-shrink: 0;
}
.logo-icon {
    font-size: 1.6rem;
    animation: logoPulse 3s ease-in-out infinite;
}
@keyframes logoPulse {
    0%, 100% { text-shadow: 0 0 10px var(--cyber-primary); }
    50% { text-shadow: 0 0 25px var(--cyber-primary), 0 0 50px rgba(0,240,255,0.3); }
}
.logo-text { letter-spacing: 2px; }

/* 导航链接 - 居中 */
.nav-links {
    display: flex; align-items: center; gap: 4px;
    position: absolute; left: 50%; transform: translateX(-50%);
}
.nav-link {
    display: flex; align-items: center; gap: 5px;
    padding: 8px 14px; border-radius: 8px;
    color: var(--cyber-text-dim); font-size: 0.88rem;
    transition: var(--cyber-transition); position: relative;
    white-space: nowrap;
}
.nav-link:hover { color: var(--cyber-primary); background: var(--cyber-primary-dim); }
.nav-link.active {
    color: var(--cyber-primary);
    background: var(--cyber-primary-dim);
    box-shadow: inset 0 0 12px rgba(0,240,255,0.1);
}
.nav-link.active::after {
    content: ''; position: absolute; bottom: 0; left: 20%; right: 20%;
    height: 2px; background: var(--cyber-primary);
    box-shadow: 0 0 8px var(--cyber-primary);
    border-radius: 2px;
}
.nav-icon { font-size: 1rem; }

/* 用户区域 - 右上角 */
.nav-user {
    display: flex; align-items: center; gap: 14px;
    flex-shrink: 0; margin-left: auto;
}
.user-credits {
    display: flex; align-items: center; gap: 6px;
    padding: 6px 14px; border-radius: 20px;
    background: linear-gradient(135deg, rgba(0,240,255,0.1), rgba(168,85,247,0.1));
    border: 1px solid var(--cyber-border);
    font-size: 0.85rem;
}
.credits-icon { color: var(--cyber-primary); font-size: 1rem; text-shadow: 0 0 8px var(--cyber-primary); }
.credits-amount { color: var(--cyber-primary); font-weight: 700; font-family: var(--cyber-font-mono); }
.nav-avatar {
    width: 38px; height: 38px; border-radius: 50%;
    border: 2px solid var(--cyber-border);
    overflow: hidden; transition: var(--cyber-transition);
    box-shadow: 0 0 10px rgba(0,240,255,0.15);
}
.nav-avatar:hover { border-color: var(--cyber-primary); box-shadow: var(--cyber-glow); }
.nav-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--cyber-primary); border-radius: 2px; transition: var(--cyber-transition); }

/* ==================== 主内容 ==================== */
.cyber-main {
    position: relative; z-index: 1;
    padding: 84px 24px 40px;
    max-width: 1400px; margin: 0 auto;
    min-height: calc(100vh - 64px);
}

/* ==================== 3D卡片系统 ==================== */
.cyber-card {
    background: var(--cyber-bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--cyber-border);
    border-radius: var(--cyber-radius-lg);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: var(--cyber-transition);
    /* 3D立体效果 */
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.4),
        0 1px 0 rgba(0, 240, 255, 0.08) inset,
        0 -1px 0 rgba(0, 0, 0, 0.3) inset;
    transform: perspective(800px) translateZ(0);
}
.cyber-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyber-primary), transparent);
    opacity: 0.5;
}
.cyber-card::after {
    content: '';
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(0,240,255,0.03) 0%, transparent 50%, rgba(168,85,247,0.02) 100%);
    pointer-events: none;
}
.cyber-card:hover {
    border-color: var(--cyber-border-hover);
    box-shadow:
        0 8px 40px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(0, 240, 255, 0.12),
        0 1px 0 rgba(0, 240, 255, 0.15) inset;
    transform: perspective(800px) translateZ(10px) translateY(-2px);
}

/* ==================== 按钮 ==================== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 22px; border-radius: 8px;
    font-size: 0.9rem; font-weight: 600;
    cursor: pointer; border: none;
    transition: var(--cyber-transition);
    position: relative; overflow: hidden;
    text-transform: none; letter-spacing: 0.5px;
}
.btn-cyber {
    background: linear-gradient(135deg, rgba(0,240,255,0.2), rgba(0,240,255,0.08));
    color: var(--cyber-primary);
    border: 1px solid var(--cyber-primary);
    box-shadow: 0 0 15px rgba(0,240,255,0.15), inset 0 1px 0 rgba(255,255,255,0.05);
    text-shadow: 0 0 8px rgba(0,240,255,0.5);
}
.btn-cyber:hover {
    background: linear-gradient(135deg, rgba(0,240,255,0.35), rgba(0,240,255,0.15));
    box-shadow: 0 0 25px rgba(0,240,255,0.3), inset 0 1px 0 rgba(255,255,255,0.1);
    transform: translateY(-1px);
    color: #fff;
}
.btn-cyber:active { transform: translateY(0); }
.btn-cyber-outline {
    background: transparent;
    color: var(--cyber-primary);
    border: 1px solid rgba(0,240,255,0.4);
}
.btn-cyber-outline:hover {
    background: var(--cyber-primary-dim);
    border-color: var(--cyber-primary);
    box-shadow: 0 0 15px rgba(0,240,255,0.15);
}
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-default { background: rgba(255,255,255,0.05); color: var(--cyber-text-dim); border: 1px solid rgba(255,255,255,0.1); }
.btn-default:hover { background: rgba(255,255,255,0.1); color: var(--cyber-text); }
.btn-success { background: linear-gradient(135deg, rgba(16,185,129,0.2), rgba(16,185,129,0.08)); color: var(--cyber-success); border: 1px solid var(--cyber-success); }
.btn-danger { background: linear-gradient(135deg, rgba(239,68,68,0.2), rgba(239,68,68,0.08)); color: var(--cyber-danger); border: 1px solid var(--cyber-danger); }
.btn-warning { background: linear-gradient(135deg, rgba(245,158,11,0.2), rgba(245,158,11,0.08)); color: var(--cyber-warning); border: 1px solid var(--cyber-warning); }

/* ==================== 表单 ==================== */
.form-group { margin-bottom: 18px; }
.cyber-label {
    display: block; margin-bottom: 6px;
    font-size: 0.85rem; color: var(--cyber-text-dim);
    letter-spacing: 0.5px;
}
.cyber-input {
    width: 100%; padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--cyber-border);
    border-radius: 8px;
    color: var(--cyber-text);
    font-size: 0.9rem;
    font-family: var(--cyber-font);
    transition: var(--cyber-transition);
    outline: none;
}
.cyber-input:focus {
    border-color: var(--cyber-primary);
    box-shadow: 0 0 12px rgba(0,240,255,0.15), inset 0 0 8px rgba(0,240,255,0.05);
}
.cyber-input::placeholder { color: var(--cyber-text-muted); }
select.cyber-input { cursor: pointer; }
textarea.cyber-input { resize: vertical; min-height: 80px; }

/* ==================== 英雄区 ==================== */
.hero-section {
    text-align: center; padding: 60px 0 40px;
    position: relative;
}
.hero-badge {
    display: inline-block;
    padding: 6px 18px; border-radius: 20px;
    background: var(--cyber-primary-dim);
    border: 1px solid var(--cyber-border);
    color: var(--cyber-primary);
    font-size: 0.8rem; letter-spacing: 2px;
    margin-bottom: 20px;
    text-transform: uppercase;
}
.hero-title {
    font-size: 3.5rem; font-weight: 900;
    background: linear-gradient(135deg, var(--cyber-primary), #fff, var(--cyber-accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    text-shadow: none;
    filter: drop-shadow(0 0 20px rgba(0,240,255,0.3));
    animation: heroFloat 6s ease-in-out infinite;
}
@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.hero-subtitle {
    font-size: 1.05rem; color: var(--cyber-text-dim);
    max-width: 600px; margin: 0 auto 30px;
    line-height: 1.8;
}
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
    display: flex; gap: 40px; justify-content: center;
    margin-top: 40px; padding-top: 30px;
    border-top: 1px solid var(--cyber-border);
}
.stat-item { text-align: center; }
.stat-value {
    display: block; font-size: 1.8rem; font-weight: 800;
    color: var(--cyber-primary);
    font-family: var(--cyber-font-mono);
    text-shadow: 0 0 12px rgba(0,240,255,0.4);
}
.stat-label { font-size: 0.8rem; color: var(--cyber-text-muted); margin-top: 4px; }

/* ==================== 区块标题 ==================== */
.section-title {
    font-size: 1.4rem; font-weight: 700;
    margin-bottom: 20px; display: flex; align-items: center; gap: 10px;
    color: var(--cyber-text);
}
.title-deco { color: var(--cyber-primary); text-shadow: 0 0 10px var(--cyber-primary); }

/* ==================== 事件卡片 ==================== */
.events-section { margin: 40px 0; }
.events-scroll { display: flex; gap: 16px; overflow-x: auto; padding-bottom: 10px; }
.event-card {
    min-width: 280px; padding: 20px;
    border-radius: var(--cyber-radius-lg);
    background: var(--cyber-bg-card);
    border: 1px solid var(--cyber-border);
    position: relative; overflow: hidden;
    transition: var(--cyber-transition);
}
.event-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--cyber-primary), var(--cyber-accent));
}
.event-card:hover { border-color: var(--cyber-border-hover); transform: translateY(-3px); box-shadow: var(--cyber-glow); }
.event-badge {
    display: inline-block; padding: 2px 10px; border-radius: 10px;
    font-size: 0.7rem; text-transform: uppercase; margin-bottom: 8px;
    background: var(--cyber-primary-dim); color: var(--cyber-primary);
    border: 1px solid rgba(0,240,255,0.2);
}
.event-card h3 { font-size: 1rem; margin-bottom: 6px; color: var(--cyber-text); }
.event-card p { font-size: 0.85rem; color: var(--cyber-text-dim); line-height: 1.5; }
.event-time { font-size: 0.75rem; color: var(--cyber-text-muted); margin-top: 8px; }

/* ==================== 朋友圈预览 ==================== */
.moments-preview { margin: 40px 0; }
.moments-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.moment-card {
    padding: 18px; border-radius: var(--cyber-radius);
    background: var(--cyber-bg-card);
    border: 1px solid var(--cyber-border);
    transition: var(--cyber-transition);
}
.moment-card:hover { border-color: var(--cyber-border-hover); box-shadow: var(--cyber-glow); }
.moment-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.moment-avatar { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--cyber-border); }
.moment-author { font-size: 0.9rem; font-weight: 600; color: var(--cyber-primary); }
.moment-time { font-size: 0.75rem; color: var(--cyber-text-muted); margin-left: auto; }
.moment-content { font-size: 0.88rem; color: var(--cyber-text-dim); line-height: 1.6; }
.moment-actions { display: flex; gap: 16px; margin-top: 10px; font-size: 0.8rem; color: var(--cyber-text-muted); }

/* ==================== 页面头部 ==================== */
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 24px; flex-wrap: wrap; gap: 12px;
}
.page-header h1 {
    font-size: 1.6rem; font-weight: 800;
    background: linear-gradient(135deg, var(--cyber-primary), var(--cyber-accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.header-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.header-info { display: flex; align-items: center; gap: 14px; }
.credits-display {
    padding: 8px 18px; border-radius: 20px;
    background: linear-gradient(135deg, rgba(0,240,255,0.12), rgba(168,85,247,0.08));
    border: 1px solid var(--cyber-border);
    color: var(--cyber-primary); font-weight: 700;
    font-family: var(--cyber-font-mono);
}

/* ==================== 好友网格 ==================== */
.friends-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.friend-card { transition: var(--cyber-transition); }
.friend-card-header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.friend-card-avatar {
    width: 56px; height: 56px; border-radius: 50%;
    border: 2px solid var(--cyber-border);
    box-shadow: 0 0 12px rgba(0,240,255,0.15);
}
.friend-card-info h3 { font-size: 1.05rem; color: var(--cyber-text); margin-bottom: 2px; }
.level-badge {
    display: inline-block; padding: 2px 8px; border-radius: 10px;
    font-size: 0.7rem; background: var(--cyber-accent-dim);
    color: var(--cyber-accent); border: 1px solid rgba(168,85,247,0.3);
}
.friend-bio { font-size: 0.85rem; color: var(--cyber-text-dim); margin-bottom: 10px; }
.friend-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.tag {
    padding: 3px 10px; border-radius: 12px;
    font-size: 0.72rem;
    background: var(--cyber-primary-dim);
    color: var(--cyber-primary);
    border: 1px solid rgba(0,240,255,0.15);
}
.friend-card-footer { border-top: 1px solid var(--cyber-border); padding-top: 12px; margin-top: 4px; }
.intimacy-display { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.intimacy-label { font-size: 0.78rem; color: var(--cyber-text-muted); }
.intimacy-bar-lg {
    flex: 1; height: 6px; background: rgba(255,255,255,0.05);
    border-radius: 3px; overflow: hidden;
}
.intimacy-fill {
    height: 100%; border-radius: 3px;
    background: linear-gradient(90deg, var(--cyber-primary), var(--cyber-accent));
    box-shadow: 0 0 8px rgba(0,240,255,0.3);
    transition: width 0.5s ease;
}
.intimacy-value { font-size: 0.78rem; color: var(--cyber-primary); font-family: var(--cyber-font-mono); }
.friend-actions { display: flex; gap: 8px; }

/* ==================== 商品网格 ==================== */
.goods-grid, .products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.goods-card, .product-card { text-align: center; transition: var(--cyber-transition); }
.goods-icon { font-size: 2.5rem; margin-bottom: 10px; }
.goods-card h3, .product-card h3 { font-size: 1rem; margin-bottom: 6px; color: var(--cyber-text); }
.goods-desc { font-size: 0.82rem; color: var(--cyber-text-dim); margin-bottom: 10px; }
.goods-price { margin-bottom: 12px; }
.current-price { font-size: 1.2rem; font-weight: 800; color: var(--cyber-primary); font-family: var(--cyber-font-mono); }
.base-price { font-size: 0.85rem; color: var(--cyber-text-muted); text-decoration: line-through; margin-left: 6px; }
.product-credits { margin: 12px 0; }
.credits-amount { font-size: 2rem; font-weight: 900; color: var(--cyber-primary); font-family: var(--cyber-font-mono); text-shadow: 0 0 15px rgba(0,240,255,0.4); }
.credits-unit { font-size: 0.9rem; color: var(--cyber-text-dim); margin-left: 4px; }
.bonus-credits { color: var(--cyber-secondary); font-weight: 700; font-size: 0.9rem; margin-bottom: 6px; }
.product-name { font-size: 0.95rem; color: var(--cyber-text); margin-bottom: 4px; }
.product-desc { font-size: 0.8rem; color: var(--cyber-text-dim); margin-bottom: 12px; }
.product-price { font-size: 1.3rem; font-weight: 800; color: var(--cyber-secondary); margin-bottom: 12px; }
.hot-badge {
    position: absolute; top: 12px; right: 12px;
    padding: 3px 10px; border-radius: 10px;
    background: var(--cyber-secondary-dim);
    color: var(--cyber-secondary);
    border: 1px solid rgba(255,45,117,0.3);
    font-size: 0.75rem; font-weight: 700;
}

/* ==================== 事件横幅 ==================== */
.events-banner {
    background: var(--cyber-bg-card);
    border: 1px solid var(--cyber-border);
    border-radius: var(--cyber-radius);
    padding: 10px 16px; margin-bottom: 24px;
    overflow: hidden;
}
.banner-scroll {
    display: flex; gap: 30px;
    animation: scroll-left 30s linear infinite;
    white-space: nowrap;
}
.event-tag { font-size: 0.82rem; color: var(--cyber-text-dim); }
.event-news { color: var(--cyber-primary); }
.event-disaster { color: var(--cyber-danger); }
.event-discovery { color: var(--cyber-success); }
.event-festival { color: var(--cyber-warning); }

/* ==================== 分类标签 ==================== */
.category-tabs { display: flex; gap: 8px; margin-bottom: 20px; flex-wrap: wrap; }
.tab-btn {
    padding: 8px 18px; border-radius: 20px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--cyber-text-dim); font-size: 0.85rem;
    cursor: pointer; transition: var(--cyber-transition);
}
.tab-btn:hover, .tab-btn.active {
    background: var(--cyber-primary-dim);
    border-color: var(--cyber-primary);
    color: var(--cyber-primary);
}

/* ==================== 认证页 ==================== */
.auth-container {
    display: flex; align-items: center; justify-content: center;
    min-height: calc(100vh - 160px);
}
.auth-card {
    background: var(--cyber-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--cyber-border);
    border-radius: var(--cyber-radius-lg);
    padding: 40px; width: 100%; max-width: 420px;
    position: relative; overflow: hidden;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5), 0 0 30px rgba(0,240,255,0.08);
}
.auth-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--cyber-primary), var(--cyber-accent), var(--cyber-secondary));
}
.auth-header { text-align: center; margin-bottom: 28px; }
.auth-logo {
    font-size: 3rem; color: var(--cyber-primary);
    text-shadow: 0 0 20px rgba(0,240,255,0.5);
    margin-bottom: 12px;
    animation: logoPulse 3s ease-in-out infinite;
}
.auth-header h1 { font-size: 1.5rem; margin-bottom: 6px; }
.auth-header p { color: var(--cyber-text-muted); font-size: 0.85rem; }
.auth-footer { text-align: center; margin-top: 20px; font-size: 0.85rem; color: var(--cyber-text-muted); }
.auth-footer a { color: var(--cyber-primary); }

/* ==================== 个人中心 ==================== */
.profile-container { max-width: 800px; margin: 0 auto; }
.profile-header {
    display: flex; gap: 24px; align-items: flex-start;
    margin-bottom: 24px;
}
.profile-avatar-section { display: flex; gap: 20px; align-items: center; flex: 1; }
.profile-avatar {
    width: 90px; height: 90px; border-radius: 50%;
    border: 3px solid var(--cyber-border);
    box-shadow: 0 0 20px rgba(0,240,255,0.2);
}
.profile-info h1 { font-size: 1.4rem; margin-bottom: 4px; }
.profile-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.profile-bio { font-size: 0.9rem; color: var(--cyber-text-dim); margin-bottom: 8px; }
.profile-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.profile-stats {
    display: flex; gap: 20px; margin-top: 12px; flex-wrap: wrap;
}
.profile-stat {
    text-align: center; padding: 8px 16px;
    background: rgba(0,0,0,0.2); border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.05);
}
.profile-stat-value { font-size: 1.2rem; font-weight: 700; color: var(--cyber-primary); font-family: var(--cyber-font-mono); }
.profile-stat-label { font-size: 0.72rem; color: var(--cyber-text-muted); }
.profile-edit { margin-bottom: 20px; }
.profile-edit h2 { font-size: 1.1rem; margin-bottom: 14px; color: var(--cyber-primary); }

/* ==================== 空状态 ==================== */
.empty-state {
    text-align: center; padding: 40px 20px;
    color: var(--cyber-text-muted);
}
.empty-icon { font-size: 3rem; margin-bottom: 12px; opacity: 0.5; }
.empty-state h3 { font-size: 1.1rem; color: var(--cyber-text-dim); margin-bottom: 8px; }
.empty-state p { font-size: 0.9rem; margin-bottom: 16px; }

/* ==================== 弹窗 ==================== */
.modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.7); backdrop-filter: blur(6px);
    z-index: 2000; display: flex; align-items: center; justify-content: center;
}
.modal-content {
    background: var(--cyber-bg-card);
    border: 1px solid var(--cyber-border);
    border-radius: var(--cyber-radius-lg);
    padding: 30px; max-width: 500px; width: 90%;
    position: relative; overflow: hidden;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5), 0 0 20px rgba(0,240,255,0.1);
}
.modal-content::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, var(--cyber-primary), var(--cyber-accent));
}
.modal-content h3 { font-size: 1.2rem; margin-bottom: 16px; color: var(--cyber-primary); }

/* ==================== 提示 ==================== */
.alert {
    padding: 12px 18px; border-radius: 8px;
    margin-bottom: 16px; font-size: 0.88rem;
    border: 1px solid; backdrop-filter: blur(8px);
}
.alert-error { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); color: var(--cyber-danger); }
.alert-success { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.3); color: var(--cyber-success); }
.alert-warning { background: rgba(245,158,11,0.1); border-color: rgba(245,158,11,0.3); color: var(--cyber-warning); }
.alert-info { background: var(--cyber-primary-dim); border-color: var(--cyber-border); color: var(--cyber-primary); }

/* ==================== Toast ==================== */
.toast-container {
    position: fixed; top: 80px; right: 20px;
    z-index: 9999; display: flex; flex-direction: column; gap: 8px;
}
.toast {
    padding: 12px 20px; border-radius: 10px;
    background: var(--cyber-bg-card);
    border: 1px solid var(--cyber-border);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    display: flex; align-items: center; gap: 8px;
    font-size: 0.88rem;
    animation: slideIn 0.3s ease;
    transition: all 0.3s ease;
}
.toast-success { border-color: rgba(16,185,129,0.4); }
.toast-error { border-color: rgba(239,68,68,0.4); }
.toast-warning { border-color: rgba(245,158,11,0.4); }
.toast-icon { font-size: 1.1rem; }

/* ==================== 分页 ==================== */
.pagination { display: flex; gap: 6px; margin-top: 20px; justify-content: center; flex-wrap: wrap; }
.page-btn {
    padding: 6px 14px; border-radius: 6px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--cyber-text-dim); font-size: 0.85rem;
    cursor: pointer; transition: var(--cyber-transition);
}
.page-btn:hover, .page-btn.active {
    background: var(--cyber-primary-dim);
    border-color: var(--cyber-primary);
    color: var(--cyber-primary);
}

/* ==================== 表格 ==================== */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid rgba(255,255,255,0.05); font-size: 0.88rem; }
th { color: var(--cyber-text-muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.5px; }
tr:hover { background: rgba(0,240,255,0.03); }

/* ==================== 动画 ==================== */
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes scroll-left {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes glitch-text {
    0% { clip-path: inset(40% 0 61% 0); transform: translate(-2px, 2px); }
    20% { clip-path: inset(92% 0 1% 0); transform: translate(1px, -1px); }
    40% { clip-path: inset(43% 0 1% 0); transform: translate(-1px, 3px); }
    60% { clip-path: inset(25% 0 58% 0); transform: translate(3px, 1px); }
    80% { clip-path: inset(54% 0 7% 0); transform: translate(-2px, -3px); }
    100% { clip-path: inset(58% 0 43% 0); transform: translate(2px, -2px); }
}
@keyframes typing-dot {
    0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-4px); }
}

/* ==================== 支付弹窗 ==================== */
.pay-modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(2, 5, 12, 0.88);
    backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s;
}
.pay-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.pay-modal-card {
    position: relative;
    max-width: 420px;
    width: 90%;
    padding: 36px 32px 32px;
    border-radius: var(--cyber-radius-lg);
    background: linear-gradient(160deg, rgba(12, 22, 50, 0.97), rgba(6, 10, 24, 0.99));
    border: 1px solid var(--cyber-border);
    box-shadow: 0 0 60px rgba(0, 240, 255, 0.12), 0 20px 60px rgba(0, 0, 0, 0.5);
    text-align: center;
    transform: scale(0.85) translateY(20px);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.pay-modal-overlay.active .pay-modal-card {
    transform: scale(1) translateY(0);
    opacity: 1;
}
.pay-modal-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cyber-primary), var(--cyber-accent), var(--cyber-secondary));
    border-radius: var(--cyber-radius-lg) var(--cyber-radius-lg) 0 0;
}
.pay-modal-close {
    position: absolute;
    top: 12px; right: 14px;
    background: none;
    border: 1px solid var(--cyber-border);
    color: var(--cyber-text-muted);
    font-size: 1.1rem;
    width: 30px; height: 30px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pay-modal-close:hover {
    color: var(--cyber-primary);
    border-color: var(--cyber-primary);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}
.pay-modal-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--cyber-text);
    margin-bottom: 4px;
    letter-spacing: 1px;
}
.pay-modal-amount {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--cyber-primary), var(--cyber-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}
.pay-modal-amount::before {
    content: '¥';
    font-size: 1rem;
    -webkit-text-fill-color: var(--cyber-primary);
    margin-right: 2px;
}
.pay-qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
}
.pay-qr-container img {
    width: 220px;
    height: 220px;
    border-radius: 12px;
    border: 2px solid var(--cyber-border);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
    background: #fff;
    padding: 8px;
}
.pay-qr-tip {
    margin-top: 12px;
    font-size: 0.82rem;
    color: var(--cyber-text-muted);
    letter-spacing: 0.5px;
}
.pay-modal-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    font-size: 0.88rem;
    color: var(--cyber-text-muted);
}
.pay-modal-status .status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--cyber-primary);
    animation: pulse-dot 1.5s ease-in-out infinite;
}
.pay-modal-status.paid .status-dot {
    background: #2ecc71;
    animation: none;
}
.pay-modal-status.paid {
    color: #2ecc71;
}
.pay-modal-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.pay-modal-actions .btn {
    min-width: 120px;
}

/* ==================== 科幻功能卡片 ==================== */
.features-section {
    margin: 60px 0 50px;
}
.features-section .section-title {
    font-size: 1.5rem;
    text-align: center;
    justify-content: center;
    margin-bottom: 36px;
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 960px;
    margin: 0 auto;
    perspective: 1200px;
}
.sci-fi-card {
    position: relative;
    padding: 36px 24px 30px;
    border-radius: 16px;
    background: linear-gradient(160deg, rgba(15, 25, 55, 0.92), rgba(8, 14, 35, 0.96));
    border: 1px solid rgba(0, 240, 255, 0.12);
    cursor: pointer;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    text-align: center;
    transform-style: preserve-3d;
    transform: rotateX(2deg) rotateY(0deg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(0, 240, 255, 0.06);
}
.sci-fi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--cyber-primary) 50%, transparent 100%);
    opacity: 0.4;
    transition: opacity 0.4s;
}
.sci-fi-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(0, 240, 255, 0.04) 0%, transparent 50%);
    pointer-events: none;
    transition: opacity 0.4s;
    opacity: 0;
}
.sci-fi-card:hover {
    border-color: rgba(0, 240, 255, 0.5);
    transform: rotateX(0deg) rotateY(0deg) translateY(-10px) scale(1.04);
    box-shadow:
        0 0 40px rgba(0, 240, 255, 0.2),
        0 20px 50px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(0, 240, 255, 0.15);
}
.sci-fi-card:hover::before {
    opacity: 1;
}
.sci-fi-card:hover::after {
    opacity: 1;
}
.sci-fi-card .card-glow {
    position: absolute;
    top: -80%;
    left: -80%;
    width: 260%;
    height: 260%;
    background: radial-gradient(circle at center, rgba(0, 240, 255, 0.08) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}
.sci-fi-card:hover .card-glow {
    opacity: 1;
}
.sci-fi-card .card-border-anim {
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyber-primary), transparent);
    transition: left 0.7s;
}
.sci-fi-card:hover .card-border-anim {
    left: 100%;
}
.sci-fi-card .card-icon {
    font-size: 2.6rem;
    margin-bottom: 14px;
    filter: drop-shadow(0 0 10px rgba(0, 240, 255, 0.35));
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    transform: translateZ(20px);
}
.sci-fi-card:hover .card-icon {
    transform: translateZ(30px) scale(1.2);
}
.sci-fi-card .card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--cyber-text);
    margin-bottom: 8px;
    letter-spacing: 2px;
    transform: translateZ(15px);
}
.sci-fi-card .card-brief {
    font-size: 0.8rem;
    color: var(--cyber-text-muted);
    letter-spacing: 1px;
    transform: translateZ(10px);
}
.sci-fi-card .card-scan-line {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--cyber-primary), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}
.sci-fi-card:hover .card-scan-line {
    opacity: 0.7;
}
.sci-fi-card .card-corner {
    position: absolute;
    width: 12px; height: 12px;
    border-color: var(--cyber-primary);
    border-style: solid;
    opacity: 0;
    transition: opacity 0.4s;
}
.sci-fi-card:hover .card-corner { opacity: 0.6; }
.sci-fi-card .card-corner.tl { top: 6px; left: 6px; border-width: 2px 0 0 2px; border-radius: 4px 0 0 0; }
.sci-fi-card .card-corner.tr { top: 6px; right: 6px; border-width: 2px 2px 0 0; border-radius: 0 4px 0 0; }
.sci-fi-card .card-corner.bl { bottom: 6px; left: 6px; border-width: 0 0 2px 2px; border-radius: 0 0 0 4px; }
.sci-fi-card .card-corner.br { bottom: 6px; right: 6px; border-width: 0 2px 2px 0; border-radius: 0 0 4px 0; }

/* ==================== 功能详情弹窗 ==================== */
.feature-modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(2, 5, 12, 0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s;
}
.feature-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}
.feature-modal {
    position: relative;
    max-width: 480px;
    width: 90%;
    padding: 40px 36px 36px;
    border-radius: var(--cyber-radius-lg);
    background: linear-gradient(160deg, rgba(12, 22, 50, 0.97), rgba(6, 10, 24, 0.99));
    border: 1px solid var(--cyber-border);
    box-shadow: 0 0 60px rgba(0, 240, 255, 0.15), 0 20px 60px rgba(0, 0, 0, 0.5);
    text-align: center;
    transform: scale(0.85) translateY(20px);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.feature-modal.active {
    transform: scale(1) translateY(0);
    opacity: 1;
}
.feature-modal::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cyber-primary), var(--cyber-accent), var(--cyber-secondary));
    border-radius: var(--cyber-radius-lg) var(--cyber-radius-lg) 0 0;
}
.feature-modal::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: var(--cyber-radius-lg);
    background: linear-gradient(180deg, rgba(0, 240, 255, 0.03) 0%, transparent 40%);
    pointer-events: none;
}
.modal-close {
    position: absolute;
    top: 14px; right: 16px;
    background: none;
    border: 1px solid var(--cyber-border);
    color: var(--cyber-text-muted);
    font-size: 1.2rem;
    width: 32px; height: 32px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}
.modal-close:hover {
    color: var(--cyber-primary);
    border-color: var(--cyber-primary);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}
.modal-icon {
    font-size: 3rem;
    margin-bottom: 14px;
    filter: drop-shadow(0 0 12px rgba(0, 240, 255, 0.4));
}
.modal-title {
    font-size: 1.4rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--cyber-primary), var(--cyber-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}
.modal-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--cyber-primary), var(--cyber-accent));
    margin: 0 auto 18px;
    border-radius: 1px;
}
.modal-desc {
    font-size: 0.92rem;
    color: var(--cyber-text-dim);
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: left;
}
.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 24px;
}
.modal-tag {
    padding: 4px 14px;
    border-radius: 14px;
    font-size: 0.75rem;
    background: var(--cyber-primary-dim);
    color: var(--cyber-primary);
    border: 1px solid rgba(0, 240, 255, 0.2);
    letter-spacing: 0.5px;
}
.modal-action {
    display: inline-block;
    text-decoration: none;
}

/* ==================== 英雄区视觉增强 ==================== */
.hero-visual {
    position: absolute;
    top: 50%;
    right: 8%;
    transform: translateY(-50%);
    width: 300px;
    height: 300px;
    pointer-events: none;
}
.orbit-ring {
    position: absolute;
    top: 50%; left: 50%;
    width: 200px; height: 200px;
    margin: -100px 0 0 -100px;
    border: 1px solid rgba(0, 240, 255, 0.15);
    border-radius: 50%;
    animation: orbit-spin 20s linear infinite;
}
.orbit-ring.ring-2 {
    width: 260px; height: 260px;
    margin: -130px 0 0 -130px;
    border-color: rgba(168, 85, 247, 0.12);
    animation-duration: 30s;
    animation-direction: reverse;
}
.orbit-ring.ring-3 {
    width: 300px; height: 300px;
    margin: -150px 0 0 -150px;
    border-color: rgba(255, 45, 117, 0.08);
    animation-duration: 40s;
}
.orbit-dot {
    position: absolute;
    top: 50%; left: 50%;
    width: 8px; height: 8px;
    margin: -4px 0 0 -4px;
    background: var(--cyber-primary);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--cyber-primary), 0 0 40px rgba(0, 240, 255, 0.3);
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes orbit-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
@keyframes pulse-dot {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.5); opacity: 0.7; }
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
    .nav-links { position: static; transform: none; }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-links.show {
        display: flex; flex-direction: column;
        position: absolute; top: 64px; left: 0; right: 0;
        background: rgba(5,8,16,0.95); backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--cyber-border);
        padding: 10px;
    }
    .nav-toggle { display: flex; }
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 0.9rem; }
    .hero-stats { gap: 20px; }
    .stat-value { font-size: 1.3rem; }
    .friends-grid { grid-template-columns: 1fr; }
    .products-grid, .goods-grid { grid-template-columns: repeat(2, 1fr); }
    .profile-avatar-section { flex-direction: column; align-items: center; text-align: center; }
    .profile-stats { justify-content: center; }
    .auth-card { padding: 25px; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .features-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .sci-fi-card { padding: 24px 16px 20px; }
    .sci-fi-card .card-icon { font-size: 2rem; }
    .sci-fi-card .card-title { font-size: 0.95rem; }
    .hero-visual { display: none; }
    .feature-modal { padding: 30px 24px 28px; }
}
@media (max-width: 480px) {
    .hero-title { font-size: 1.5rem; }
    .hero-actions { flex-direction: column; }
    .products-grid, .goods-grid { grid-template-columns: 1fr; }
    .cyber-main { padding: 74px 12px 20px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .sci-fi-card { padding: 18px 10px 16px; }
    .sci-fi-card .card-icon { font-size: 1.6rem; margin-bottom: 8px; }
    .sci-fi-card .card-title { font-size: 0.85rem; }
    .sci-fi-card .card-brief { font-size: 0.7rem; }
}