/**
 * ECCDAO - 暗黑科技风格样式
 * 赛博朋克 / 霓虹光效 / 粒子特效
 */

/* ========== CSS变量 ========== */
:root {
    /* 主色调 */
    --primary: #00f5ff;
    --primary-dark: #00a8b3;
    --primary-light: #4dffff;
    --secondary: #ff00ff;
    --secondary-dark: #b300b3;
    --accent: #ffff00;
    --warning: #ff6b35;
    --success: #00ff88;
    --danger: #ff3366;
    
    /* 背景色 */
    --bg-dark: #0a0a0f;
    --bg-darker: #050508;
    --bg-card: rgba(15, 15, 25, 0.85);
    --bg-card-hover: rgba(25, 25, 40, 0.95);
    --bg-overlay: rgba(0, 0, 0, 0.7);
    
    /* 文字色 */
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    
    /* 边框 */
    --border-color: rgba(0, 245, 255, 0.2);
    --border-glow: rgba(0, 245, 255, 0.5);
    
    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, #00f5ff 0%, #ff00ff 100%);
    --gradient-card: linear-gradient(135deg, rgba(0, 245, 255, 0.1) 0%, rgba(255, 0, 255, 0.1) 100%);
    --gradient-btn: linear-gradient(135deg, #00f5ff 0%, #00a8b3 50%, #ff00ff 100%);
    
    /* 字体 */
    --font-main: 'Orbitron', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-body: 'Rajdhani', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    
    /* 阴影 */
    --shadow-glow: 0 0 20px rgba(0, 245, 255, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* ========== 基础样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
}

body {
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(0, 245, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 0, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(0, 100, 150, 0.05) 0%, transparent 70%),
        var(--bg-dark);
    min-height: 100vh;
}

/* 粒子背景容器 */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* 主容器 */
.app-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    padding-bottom: 80px;
}

/* ========== 头部样式 ========== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(180deg, rgba(10, 10, 15, 0.98) 0%, rgba(10, 10, 15, 0.9) 100%);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 16px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 480px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: bold;
    animation: pulse-glow 2s ease-in-out infinite;
}

.logo-text {
    font-family: var(--font-main);
    font-size: 20px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.wallet-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.wallet-status:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.wallet-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--danger);
    animation: blink 1.5s ease-in-out infinite;
}

.wallet-dot.connected {
    background: var(--success);
    animation: pulse 2s ease-in-out infinite;
}

/* ========== 底部导航 ========== */
.app-navbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(0deg, rgba(10, 10, 15, 0.98) 0%, rgba(10, 10, 15, 0.9) 100%);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-color);
    padding: 8px 0;
    padding-bottom: env(safe-area-inset-bottom, 8px);
}

.navbar-content {
    display: flex;
    justify-content: space-around;
    max-width: 480px;
    margin: 0 auto;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.nav-item i {
    font-size: 22px;
    transition: all 0.3s ease;
}

.nav-item span {
    font-size: 11px;
    letter-spacing: 0.5px;
}

.nav-item.active,
.nav-item:hover {
    color: var(--primary);
}

.nav-item.active i {
    text-shadow: 0 0 20px var(--primary);
    transform: scale(1.1);
}

.nav-item.active::after {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 0 0 3px 3px;
    box-shadow: 0 0 10px var(--primary);
}

/* ========== 主内容区 ========== */
.main-content {
    padding: 76px 16px 16px;
    max-width: 480px;
    margin: 0 auto;
}

/* ========== 卡片样式 ========== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 16px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

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

.card-title {
    font-family: var(--font-main);
    font-size: 14px;
    color: var(--primary);
    letter-spacing: 1px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-title i {
    font-size: 16px;
}

/* ========== 余额显示 ========== */
.balance-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 12px;
}

.balance-item {
    background: rgba(0, 245, 255, 0.05);
    border: 1px solid rgba(0, 245, 255, 0.15);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
}

.balance-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.balance-value {
    font-family: var(--font-main);
    font-size: 22px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.balance-usd {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.sui-price {
    text-align: center;
    padding: 10px;
    background: rgba(255, 0, 255, 0.1);
    border-radius: 8px;
    font-size: 13px;
}

.sui-price span {
    color: var(--secondary);
    font-weight: 600;
}

/* ========== 按钮样式 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-btn);
    color: var(--bg-dark);
    box-shadow: 0 4px 20px rgba(0, 245, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 245, 255, 0.6);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-outline:hover {
    background: rgba(0, 245, 255, 0.1);
    box-shadow: var(--shadow-glow);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #cc0033 100%);
    color: white;
}

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* 霓虹按钮 */
.btn-neon {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary);
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.3),
                inset 0 0 20px rgba(0, 245, 255, 0.1);
    animation: neon-flicker 3s infinite;
}

.btn-neon:hover {
    background: rgba(0, 245, 255, 0.1);
    box-shadow: 0 0 40px rgba(0, 245, 255, 0.5),
                inset 0 0 30px rgba(0, 245, 255, 0.2);
}

/* ========== 输入框样式 ========== */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 16px;
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.2);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* ========== 订单列表 ========== */
.order-list {
    max-height: 400px;
    overflow-y: auto;
}

.order-item {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
    transition: all 0.3s ease;
}

.order-item:hover {
    border-color: var(--border-glow);
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.order-amount {
    font-family: var(--font-main);
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.order-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.order-status.active {
    background: rgba(0, 255, 136, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
}

.order-status.completed {
    background: rgba(255, 0, 255, 0.2);
    color: var(--secondary);
    border: 1px solid var(--secondary);
}

.order-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}

.order-info-item {
    display: flex;
    justify-content: space-between;
}

.order-hash {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 8px;
    word-break: break-all;
}

.order-hash a {
    color: var(--primary);
    text-decoration: none;
}

/* ========== 激活账户遮罩 ========== */
.activation-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.activation-modal {
    width: 100%;
    max-width: 360px;
    text-align: center;
    position: relative;
}

.activation-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.activation-close:hover {
    background: rgba(255, 51, 102, 0.2);
    border-color: var(--danger);
    color: var(--danger);
}

.activation-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    position: relative;
    animation: rotate-glow 4s linear infinite;
}

.activation-icon::before {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid transparent;
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 2s linear infinite;
}

.activation-icon::after {
    content: '';
    position: absolute;
    inset: -8px;
    border: 2px solid transparent;
    border-bottom-color: var(--secondary);
    border-radius: 50%;
    animation: spin 3s linear infinite reverse;
}

.activation-title {
    font-family: var(--font-main);
    font-size: 24px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.activation-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
    line-height: 1.6;
}

.activation-price {
    font-family: var(--font-main);
    font-size: 32px;
    color: var(--accent);
    margin-bottom: 24px;
    text-shadow: 0 0 20px rgba(255, 255, 0, 0.5);
}

.activation-price span {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ========== 等待动画 ========== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.loading-spinner {
    width: 80px;
    height: 80px;
    position: relative;
}

.loading-spinner::before,
.loading-spinner::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 3px solid transparent;
    border-radius: 50%;
}

.loading-spinner::before {
    border-top-color: var(--primary);
    animation: spin 1s linear infinite;
}

.loading-spinner::after {
    border-bottom-color: var(--secondary);
    animation: spin 1.5s linear infinite reverse;
}

.loading-text {
    font-family: var(--font-main);
    font-size: 16px;
    color: var(--primary);
    letter-spacing: 2px;
    animation: pulse-text 1.5s ease-in-out infinite;
}

/* ========== 成功动画 ========== */
.success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.success-icon {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: var(--bg-dark);
    margin-bottom: 24px;
    animation: success-pop 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.success-title {
    font-family: var(--font-main);
    font-size: 24px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    animation: success-fade-in 0.5s ease 0.3s both;
}

.success-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.success-particle {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: particle-explode 1s ease-out forwards;
}

/* ========== 进度条 ========== */
.progress-bar {
    height: 8px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 8px;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 0.5s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

/* ========== 动画 ========== */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 245, 255, 0.5); }
    50% { box-shadow: 0 0 40px rgba(0, 245, 255, 0.8), 0 0 60px rgba(255, 0, 255, 0.4); }
}

@keyframes blink {
    0%, 50%, 100% { opacity: 1; }
    25%, 75% { opacity: 0.3; }
}

@keyframes neon-flicker {
    0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% { opacity: 1; }
    20%, 24%, 55% { opacity: 0.8; }
}

@keyframes rotate-glow {
    0% { box-shadow: 0 0 30px var(--primary); }
    50% { box-shadow: 0 0 50px var(--secondary); }
    100% { box-shadow: 0 0 30px var(--primary); }
}

@keyframes pulse-text {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes success-pop {
    0% { transform: scale(0); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

@keyframes success-fade-in {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes particle-explode {
    0% { 
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    100% { 
        transform: translate(var(--x), var(--y)) scale(0);
        opacity: 0;
    }
}

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

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

/* ========== Toast提示 ========== */
.toast-container {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 4000;
    width: 90%;
    max-width: 360px;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 18px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: toast-in 0.3s ease;
    backdrop-filter: blur(10px);
}

.toast.success {
    border-color: var(--success);
}

.toast.error {
    border-color: var(--danger);
}

.toast-icon {
    font-size: 20px;
}

.toast.success .toast-icon {
    color: var(--success);
}

.toast.error .toast-icon {
    color: var(--danger);
}

.toast-message {
    flex: 1;
    font-size: 14px;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== 菜单列表 ========== */
.menu-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.menu-item:hover {
    background: rgba(0, 245, 255, 0.05);
    border-color: var(--primary);
}

.menu-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-card);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary);
}

.menu-text {
    flex: 1;
    font-size: 15px;
}

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

/* ========== Tab切换 ========== */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    overflow-x: auto;
    padding-bottom: 8px;
}

.tab-item {
    flex-shrink: 0;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-item.active,
.tab-item:hover {
    background: rgba(0, 245, 255, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

/* ========== 弹窗 ========== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2500;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 100%;
    max-width: 360px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.show .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.modal-title {
    font-family: var(--font-main);
    font-size: 18px;
    color: var(--primary);
}

.modal-close {
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
}

.modal-body {
    margin-bottom: 20px;
}

.modal-footer {
    display: flex;
    gap: 12px;
}

/* ========== 公告弹窗 ========== */
.notice-modal {
    text-align: center;
}

.notice-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--bg-dark);
    animation: pulse-glow 2s ease-in-out infinite;
}

.notice-title {
    font-family: var(--font-main);
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 16px;
}

.notice-content {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    text-align: left;
    max-height: 300px;
    overflow-y: auto;
    padding: 16px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    margin-bottom: 20px;
}

/* ========== 空状态 ========== */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-text {
    font-size: 14px;
}

/* ========== 滚动条 ========== */
::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* ========== 响应式 ========== */
@media (max-width: 375px) {
    .balance-value {
        font-size: 18px;
    }
    
    .activation-price {
        font-size: 28px;
    }
}