:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2332;
    --bg-hover: #243044;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --usdt-green: #26a17b;
    --usdt-light: #3dd598;
    --usdt-dark: #1e8065;
    --usdt-glow: rgba(38, 161, 123, 0.4);
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    --border: #2d3748;
    --gradient: linear-gradient(135deg, #26a17b 0%, #3dd598 100%);
    --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang TC', 'Microsoft JhengHei', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    background-image:
        radial-gradient(ellipse at top, rgba(38, 161, 123, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

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

/* ===== 头部导航 ===== */
.header {
    background: rgba(17, 24, 39, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    padding: 10px 16px;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: white;
    font-size: 1.2rem;
    box-shadow: 0 0 30px var(--usdt-glow);
    position: relative;
    flex-shrink: 0;
}

.logo-icon::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 2px solid rgba(38, 161, 123, 0.3);
    animation: logo-pulse 2s infinite;
}

@keyframes logo-pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    white-space: nowrap;
}

.network-badge {
    background: rgba(38, 161, 123, 0.15);
    color: var(--usdt-green);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 500;
    border: 1px solid rgba(38, 161, 123, 0.3);
    display: flex;
    align-items: center;
    gap: 5px;
    margin-left: 8px;
    white-space: nowrap;
}

.network-dot {
    width: 6px;
    height: 6px;
    background: var(--usdt-green);
    border-radius: 50%;
    animation: blink 1.5s infinite;
    flex-shrink: 0;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

/* 移动端优化 */
@media (max-width: 768px) {
    .header {
        padding: 8px 12px;
    }

    .logo {
        gap: 8px;
    }

    .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .network-badge {
        display: none;
    }

    .header-right {
        gap: 6px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 8px 10px;
    }

    .logo {
        gap: 6px;
    }

    .logo-icon {
        width: 30px;
        height: 30px;
        font-size: 0.95rem;
    }

    .logo-text {
        font-size: 1rem;
    }

    .header-right {
        gap: 4px;
    }
}

/* ===== 钱包按钮 ===== */
.wallet-btn {
    background: var(--gradient);
    border: none;
    border-radius: 22px;
    padding: 10px 24px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.9rem;
    box-shadow: 0 4px 15px var(--usdt-glow);
    white-space: nowrap;
    height: 40px;
}

.wallet-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--usdt-glow);
}

.wallet-btn.connected {
    background: var(--bg-card);
    border: 1px solid var(--usdt-green);
    padding: 9px 16px;
    box-shadow: none;
}

.wallet-btn.connected:hover {
    background: var(--bg-hover);
}

.wallet-btn .addr {
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 0.85rem;
}

.wallet-btn .arrow {
    transition: transform 0.3s;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.wallet-btn.open .arrow {
    transform: rotate(180deg);
}

.wallet-btn i {
    flex-shrink: 0;
}

.wallet-btn span {
    display: inline;
}

/* 移动端钱包按钮优化 */
@media (max-width: 768px) {
    .wallet-btn {
        padding: 8px 20px;
        font-size: 0.85rem;
        height: 38px;
        gap: 7px;
    }

    .wallet-btn.connected {
        padding: 7px 14px;
    }

    .wallet-btn .addr {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .wallet-btn {
        padding: 7px 16px;
        font-size: 0.8rem;
        height: 36px;
        gap: 6px;
        border-radius: 20px;
    }

    .wallet-btn.connected {
        padding: 6px 12px;
    }

    .wallet-btn span:not(.addr) {
        display: none;
    }

    .wallet-btn .addr {
        font-size: 0.75rem;
    }

    .wallet-btn i {
        font-size: 1.1rem;
    }
}

@media (max-width: 380px) {
    .wallet-btn {
        padding: 6px 12px;
        font-size: 0.75rem;
        height: 34px;
    }

    .wallet-btn.connected {
        padding: 5px 10px;
    }

    .wallet-btn .addr {
        font-size: 0.7rem;
    }
}

/* ===== 钱包下拉菜单 ===== */
.wallet-wrapper {
    position: relative;
}

.wallet-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: 360px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-15px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    overflow: hidden;
}

.wallet-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.dropdown-header {
    padding: 24px;
    background: linear-gradient(135deg, rgba(38, 161, 123, 0.15), rgba(38, 161, 123, 0.05));
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
}

.dropdown-avatar {
    width: 56px;
    height: 56px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 1.4rem;
    box-shadow: 0 0 25px var(--usdt-glow);
}

.dropdown-info h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.dropdown-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-family: monospace;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dropdown-info .copy-btn {
    background: none;
    border: none;
    color: var(--usdt-green);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.2s;
}

.dropdown-info .copy-btn:hover {
    background: rgba(38, 161, 123, 0.2);
}

.dropdown-balance {
    padding: 24px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.balance-main {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 8px;
}

.balance-icon-small {
    width: 44px;
    height: 44px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: white;
    font-size: 1.1rem;
}

.balance-amount-dropdown {
    font-size: 2.2rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.balance-usd-dropdown {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.dropdown-actions {
    padding: 12px;
}

.dropdown-action {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
}

.dropdown-action:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.dropdown-action.danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.dropdown-action i {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.dropdown-action span {
    flex: 1;
}

/* ===== 主容器 ===== */
.main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 90px 16px 100px;
}

/* ===== 公告栏 ===== */
.announcement {
    background: linear-gradient(90deg, rgba(38, 161, 123, 0.12), rgba(61, 213, 152, 0.08));
    border: 1px solid rgba(38, 161, 123, 0.25);
    border-radius: 16px;
    padding: 14px 24px;
    margin-bottom: 28px;
    display: flex;
    align-items: center;
    gap: 14px;
    overflow: hidden;
}

.announcement-icon {
    color: var(--usdt-green);
    font-size: 1.4rem;
    flex-shrink: 0;
    animation: bell 2s infinite;
}

@keyframes bell {

    0%,
    100% {
        transform: rotate(0);
    }

    10%,
    30% {
        transform: rotate(-10deg);
    }

    20%,
    40% {
        transform: rotate(10deg);
    }

    50% {
        transform: rotate(0);
    }
}

.announcement-text {
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
    mask-image: linear-gradient(90deg, transparent, black 5%, black 95%, transparent);
}

.announcement-text span {
    display: inline-block;
    animation: marquee 35s linear infinite;
    padding-left: 100%;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-100%);
    }
}

/* ===== 卡片 ===== */
.card {
    background: var(--bg-card);
    border-radius: 24px;
    border: 1px solid var(--border);
    margin-bottom: 28px;
    transition: all 0.3s;
    overflow: hidden;
}

.card:hover {
    border-color: rgba(38, 161, 123, 0.4);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.25);
}

.card-header {
    padding: 22px 28px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.15rem;
    font-weight: 600;
}

.card-title i {
    color: var(--usdt-green);
    font-size: 1.3rem;
}

.card-body {
    padding: 28px;
}

/* ===== 账户卡片（增强版 - 可点击刷新） ===== */
.account-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, #162a24 100%);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    user-select: none;
}

.account-card.refreshing {
    pointer-events: none;
}

.account-card.refreshing .card-header {
    opacity: 0.6;
}

.account-card::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(38, 161, 123, 0.12), transparent 70%);
    pointer-events: none;
}

.account-card::after {
    content: '₮';
    position: absolute;
    bottom: -50px;
    right: 30px;
    font-size: 220px;
    font-weight: 900;
    opacity: 0.03;
    color: var(--usdt-green);
    pointer-events: none;
}

.account-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    padding: 6px 14px;
    border-radius: 20px;
    background: var(--bg-secondary);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    position: relative;
}

.status-dot.connected {
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
}

.status-dot.connected::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 2px solid var(--success);
    animation: status-pulse 1.5s infinite;
}

@keyframes status-pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.8;
    }

    50% {
        transform: scale(1.3);
        opacity: 0;
    }
}

.status-dot.disconnected {
    background: var(--warning);
}

/* ===== 主余额区域（可点击刷新） ===== */
.balance-section {
    text-align: center;
    padding: 40px 20px 30px;
    position: relative;
    transition: all 0.3s;
}

.account-card:hover .balance-section {
    transform: translateY(-2px);
}

.main-balance-icon {
    width: 100px;
    height: 100px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    font-size: 2.8rem;
    font-weight: 800;
    color: white;
    box-shadow: 0 0 60px var(--usdt-glow);
    position: relative;
    transition: all 0.3s;
}

.account-card:hover .main-balance-icon {
    transform: scale(1.05);
}

.account-card.refreshing .main-balance-icon {
    animation: spin 1s linear infinite;
}

.main-balance-icon::before {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 3px solid rgba(38, 161, 123, 0.3);
    animation: ring-rotate 10s linear infinite;
}

@keyframes ring-rotate {
    0% {
        transform: rotate(0deg);
    }

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

.balance-label {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.balance-label .trc20-tag {
    background: rgba(38, 161, 123, 0.2);
    color: var(--usdt-green);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
}

.balance-label .refresh-hint {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--usdt-green);
    background: rgba(38, 161, 123, 0.15);
    padding: 4px 12px;
    border-radius: 12px;
    border: 1px solid rgba(38, 161, 123, 0.3);
    font-weight: 500;
    margin-left: 8px;
}

.balance-label .refresh-hint i {
    font-size: 1rem;
    animation: rotate-hint 2s linear infinite;
}

@keyframes rotate-hint {

    0%,
    90% {
        transform: rotate(0deg);
    }

    95% {
        transform: rotate(180deg);
    }

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

.account-card:hover .balance-label .refresh-hint {
    background: rgba(38, 161, 123, 0.25);
    border-color: var(--usdt-green);
}

.account-card.refreshing .balance-label .refresh-hint i {
    animation: spin 1s linear infinite;
}

.main-balance-value {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    line-height: 1.1;
}

.main-balance-usd {
    color: var(--text-muted);
    font-size: 1.15rem;
}

/* ===== 利息信息栏（新增） ===== */
.interest-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 0 28px 28px;
    position: relative;
}

@media (max-width: 480px) {
    .interest-section {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

.interest-card {
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 24px;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
}

.interest-card:hover {
    border-color: var(--usdt-green);
    transform: translateY(-3px);
}

.interest-card.total {
    background: linear-gradient(135deg, var(--bg-secondary), rgba(38, 161, 123, 0.1));
}

.interest-card.claimable {
    background: linear-gradient(135deg, var(--bg-secondary), rgba(245, 158, 11, 0.1));
}

.interest-card.claimable .interest-icon {
    background: var(--gradient-gold);
}

.interest-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03), transparent 70%);
}

.interest-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.interest-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
}

.interest-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.interest-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.interest-card.total .interest-value {
    color: var(--usdt-green);
}

.interest-card.claimable .interest-value {
    color: var(--warning);
}

.interest-usd {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.claim-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--gradient-gold);
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    color: white;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.claim-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(245, 158, 11, 0.4);
}

.claim-btn:disabled {
    background: var(--bg-hover);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.claim-btn i {
    font-size: 1rem;
}

/* ===== 操作按钮 ===== */
.account-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 0 28px 32px;
}

@media (max-width: 480px) {
    .account-actions {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 14px 12px;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.action-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.3s;
}

.action-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
}

.action-btn:hover::after {
    opacity: 1;
}

/* 提領按钮 - 主要操作，超级突出 */
.action-btn.withdraw {
    background: linear-gradient(135deg, #26a17b 0%, #3dd598 50%, #26a17b 100%);
    background-size: 200% 100%;
    color: white;
    box-shadow: 0 6px 30px rgba(38, 161, 123, 0.5), 0 0 0 0 rgba(38, 161, 123, 0.4);
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.action-btn.withdraw:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 45px rgba(38, 161, 123, 0.6), 0 0 0 4px rgba(38, 161, 123, 0.2);
}

.action-btn.withdraw::before {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), transparent);
}

.action-btn.withdraw:hover::before {
    opacity: 1;
}

.action-btn.withdraw i {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* 紀錄按钮 - 次要操作 */
.action-btn.history {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-color: var(--border);
}

.action-btn.history:hover {
    background: var(--bg-hover);
    border-color: var(--usdt-green);
    color: var(--usdt-green);
    transform: translateY(-4px);
    box-shadow: 0 6px 25px rgba(38, 161, 123, 0.15);
}

.action-btn i {
    font-size: 2.2rem;
    position: relative;
    z-index: 1;
    transition: all 0.3s;
}

.action-btn.withdraw i {
    font-size: 2.5rem;
    animation: pulse-icon 2s ease-in-out infinite;
}

@keyframes pulse-icon {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.action-btn:hover i {
    transform: scale(1.15) rotate(5deg);
}

.action-btn.withdraw:hover i {
    transform: scale(1.2) rotate(-5deg);
    animation: none;
}

.action-btn span {
    font-size: 1.05rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
    letter-spacing: 0.5px;
}

.action-btn.withdraw span {
    font-size: 1.1rem;
    font-weight: 800;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.action-btn.history span {
    font-size: 1rem;
    font-weight: 600;
}

/* ===== 统计网格 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 24px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--usdt-green);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-icon {
    width: 58px;
    height: 58px;
    background: var(--gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 1.5rem;
    color: white;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== 质押计划 ===== */
.plans-grid {
    display: grid;
    gap: 24px;
}

@media (min-width: 768px) {
    .plans-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.plan-card {
    background: var(--bg-secondary);
    border-radius: 28px;
    padding: 32px;
    border: 2px solid var(--border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.plan-card:hover {
    border-color: var(--usdt-green);
    transform: translateY(-8px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
}

.plan-card.featured {
    border-color: var(--usdt-green);
    background: linear-gradient(135deg, var(--bg-secondary), rgba(38, 161, 123, 0.15));
}

.plan-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
}

.plan-badge {
    position: absolute;
    top: 24px;
    right: -45px;
    background: var(--gradient);
    color: white;
    padding: 8px 55px;
    font-size: 0.75rem;
    font-weight: 600;
    transform: rotate(45deg);
    box-shadow: 0 3px 10px var(--usdt-glow);
}

.plan-header {
    text-align: center;
    margin-bottom: 28px;
}

.plan-emoji {
    font-size: 3.5rem;
    margin-bottom: 16px;
    display: block;
}

.plan-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.plan-apy {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--usdt-green);
    line-height: 1;
}

.plan-apy span {
    font-size: 1.1rem;
    font-weight: 400;
    color: var(--text-muted);
}

.plan-features {
    list-style: none;
    margin-bottom: 28px;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--border);
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features li i {
    color: var(--success);
    font-size: 1.1rem;
}

.plan-btn {
    width: 100%;
    padding: 18px;
    background: var(--gradient);
    border: none;
    border-radius: 16px;
    color: white;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.plan-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;
}

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

.plan-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px var(--usdt-glow);
}

.plan-btn:disabled {
    background: var(--bg-hover);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ===== 表格 ===== */
.table-wrap {
    overflow-x: auto;
    border-radius: 16px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 650px;
}

.data-table th,
.data-table td {
    padding: 18px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 1.1rem;
    background: var(--bg-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr {
    transition: all 0.2s;
}

.data-table tbody tr:hover {
    background: var(--bg-hover);
}

.tx-type {
    display: flex;
    align-items: center;
    gap: 14px;
}

.tx-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.tx-icon.stake {
    background: rgba(38, 161, 123, 0.15);
    color: var(--usdt-green);
}

.tx-icon.unstake {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.tx-icon.reward {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.tx-amount {
    font-weight: 600;
    font-size: 1rem;
}

.tx-amount.positive {
    color: var(--success);
}

.tx-amount.negative {
    color: var(--error);
}

.tx-hash {
    font-family: 'SF Mono', Monaco, monospace;
    color: var(--usdt-green);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.tx-hash:hover {
    text-decoration: underline;
    color: var(--usdt-light);
}

.tx-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.tx-status.success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.tx-status.pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 70px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 5rem;
    opacity: 0.15;
    margin-bottom: 24px;
    display: block;
}

.empty-state h4 {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.empty-state p {
    font-size: 0.95rem;
}

/* ===== 模态框 ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

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

.modal {
    background: var(--bg-card);
    border-radius: 32px;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(30px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 28px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 1.3rem;
    font-weight: 600;
}

.modal-title .icon {
    width: 42px;
    height: 42px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.2rem;
}

.modal-close {
    width: 44px;
    height: 44px;
    background: var(--bg-secondary);
    border: none;
    border-radius: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    font-size: 1.3rem;
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-body {
    padding: 28px;
}

/* ===== 钱包选项 ===== */
.wallet-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.wallet-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 20px 22px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 18px;
    cursor: pointer;
    transition: all 0.3s;
}

.wallet-item:hover {
    border-color: var(--usdt-green);
    background: var(--bg-hover);
    transform: translateX(8px);
}

.wallet-item-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: white;
}

.wallet-item-icon.tronlink {
    background: linear-gradient(135deg, #2196F3, #00BCD4);
}

.wallet-item-icon.tokenpocket {
    background: linear-gradient(135deg, #2962FF, #448AFF);
}

.wallet-item-icon.imtoken {
    background: linear-gradient(135deg, #00BFA5, #1DE9B6);
}

.wallet-item-icon.bitkeep {
    background: linear-gradient(135deg, #7C4DFF, #B388FF);
}

.wallet-item-info {
    flex: 1;
}

.wallet-item-info h4 {
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 1.05rem;
}

.wallet-item-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.wallet-item .current {
    background: var(--usdt-green);
    color: white;
    padding: 5px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.wallet-item .arrow {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* ===== 表单 ===== */
.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 16px 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text-primary);
    font-size: 1.05rem;
    transition: all 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--usdt-green);
    box-shadow: 0 0 0 4px rgba(38, 161, 123, 0.15);
}

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

.input-with-btn {
    position: relative;
}

.input-with-btn .form-input {
    padding-right: 110px;
}

.input-suffix {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 12px;
}

.input-suffix span {
    color: var(--text-muted);
    font-weight: 500;
}

.max-btn {
    background: var(--usdt-green);
    border: none;
    padding: 8px 14px;
    border-radius: 8px;
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.max-btn:hover {
    background: var(--usdt-light);
    transform: scale(1.05);
}

.submit-btn {
    width: 100%;
    padding: 20px;
    background: var(--gradient);
    border: none;
    border-radius: 18px;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px var(--usdt-glow);
}

.submit-btn:disabled {
    background: var(--bg-hover);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.submit-btn .spinner {
    width: 22px;
    height: 22px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* ===== 信息框 ===== */
.info-box {
    background: var(--bg-secondary);
    border-radius: 18px;
    padding: 20px;
    margin-bottom: 22px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 14px 0;
}

.info-row:not(:last-child) {
    border-bottom: 1px solid var(--border);
}

.info-row .label {
    color: var(--text-muted);
}

.info-row .value {
    font-weight: 500;
}

.info-row .value.highlight {
    color: var(--usdt-green);
    font-weight: 600;
}

.info-row .value.gold {
    color: var(--warning);
    font-weight: 600;
}

/* ===== Toast ===== */
.toast-container {
    position: fixed;
    top: 100px;
    right: 24px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

@media (max-width: 480px) {
    .toast-container {
        left: 16px;
        right: 16px;
        top: 90px;
    }
}

.toast {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 18px 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
    transform: translateX(120%);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 300px;
}

@media (max-width: 480px) {
    .toast {
        transform: translateY(-30px);
        opacity: 0;
        min-width: auto;
    }

    .toast.show {
        transform: translateY(0);
        opacity: 1;
    }
}

.toast.show {
    transform: translateX(0);
}

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

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

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

.toast.info {
    border-color: var(--usdt-green);
}

.toast-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.toast.success .toast-icon {
    background: rgba(34, 197, 94, 0.15);
    color: var(--success);
}

.toast.error .toast-icon {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
}

.toast.warning .toast-icon {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning);
}

.toast.info .toast-icon {
    background: rgba(38, 161, 123, 0.15);
    color: var(--usdt-green);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 3px;
}

.toast-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    transition: color 0.2s;
}

.toast-close:hover {
    color: var(--text-primary);
}

/* ===== 底部导航 ===== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(17, 24, 39, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-around;
    padding: 12px 0;
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
    z-index: 999;
}

@media (min-width: 768px) {
    .bottom-nav {
        display: none;
    }

    .main {
        padding-bottom: 50px;
    }
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 8px 22px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s;
    position: relative;
}

.nav-item.active {
    color: var(--usdt-green);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 35px;
    height: 3px;
    background: var(--gradient);
    border-radius: 0 0 3px 3px;
}

.nav-item i {
    font-size: 1.5rem;
}

.nav-item span {
    font-size: 0.72rem;
    font-weight: 500;
}

/* ===== 响应式 ===== */
@media (max-width: 767px) {
    .main-balance-value {
        font-size: 2.8rem;
    }

    .stat-value {
        font-size: 1.5rem;
    }

    .plan-apy {
        font-size: 2.6rem;
    }

    .network-badge {
        display: none;
    }

    .logo-text {
        font-size: 1.3rem;
    }

    .interest-value {
        font-size: 1.6rem;
    }
}

/* ===== 语言切换按钮 ===== */
.lang-switcher {
    position: relative;
    margin-right: 12px;
}

.lang-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 8px 16px;
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.lang-btn:hover {
    border-color: var(--usdt-green);
    background: var(--bg-hover);
}

.lang-btn i {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.lang-btn span {
    display: inline;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 1001;
    min-width: 160px;
}

.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.lang-option:first-child {
    border-radius: 16px 16px 0 0;
}

.lang-option:last-child {
    border-radius: 0 0 16px 16px;
}

.lang-option:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.lang-option.active {
    background: rgba(38, 161, 123, 0.1);
    color: var(--usdt-green);
    font-weight: 600;
}

.lang-option .flag {
    font-size: 1.2rem;
}

.lang-option .check {
    margin-left: auto;
    color: var(--usdt-green);
    font-size: 1rem;
}

/* 移动端语言按钮优化 */
@media (max-width: 768px) {
    .lang-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
        height: 34px;
        gap: 5px;
    }

    .lang-btn i {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .lang-btn {
        padding: 6px 8px;
        font-size: 0.75rem;
        height: 32px;
        gap: 0;
        min-width: 32px;
        justify-content: center;
    }

    .lang-btn span {
        display: none;
    }

    .lang-btn i {
        font-size: 1.1rem;
    }

    .lang-dropdown {
        right: -10px;
    }
}

/* ===== 金额进阶利率展示区域 ===== */
.tier-rates-box {
    background: linear-gradient(135deg, #26a69a 0%, #00897b 100%);
    padding: 16px;
    border-radius: 12px;
    margin: 16px 0;
}

.tier-rates-title {
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
    text-align: center;
}

.tier-rates-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.tier-rate-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 10px;
    border-radius: 8px;
    text-align: center;
}

.tier-rate-range {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.75rem;
}

.tier-rate-value {
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    margin-top: 4px;
}

/* 单列布局优化 */
.plans-grid-single {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
}

@media (max-width: 480px) {
    .tier-rates-box {
        padding: 14px;
        margin: 14px 0;
    }

    .tier-rates-title {
        font-size: 0.85rem;
        margin-bottom: 10px;
    }

    .tier-rate-item {
        padding: 8px;
    }

    .tier-rate-range {
        font-size: 0.7rem;
    }

    .tier-rate-value {
        font-size: 1rem;
    }
}

/* ===== 融合式质押方案卡片 ===== */
.staking-plan-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, #1a2e28 100%);
    position: relative;
    overflow: hidden;
}

.staking-plan-card::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(38, 161, 123, 0.15), transparent 70%);
    pointer-events: none;
}

.plan-card-integrated {
    position: relative;
    z-index: 1;
}

.plan-header-integrated {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 32px;
    padding-bottom: 28px;
    border-bottom: 2px solid rgba(38, 161, 123, 0.2);
}

.plan-emoji-large {
    font-size: 4.5rem;
    line-height: 1;
    filter: drop-shadow(0 4px 12px rgba(38, 161, 123, 0.3));
}

.plan-title-section {
    flex: 1;
}

.plan-main-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.plan-subtitle {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.plan-divider {
    color: var(--text-muted);
}

.plan-apy-large {
    text-align: right;
}

.apy-range {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 4px;
}

.apy-label {
    font-size: 1.2rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* 融合式利率展示 */
.tier-rates-box-integrated {
    background: rgba(38, 161, 123, 0.08);
    border: 1px solid rgba(38, 161, 123, 0.2);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 32px;
}

.tier-rates-header {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--usdt-green);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.tier-rates-grid-integrated {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.tier-rate-item-integrated {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px 12px;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
}

.tier-rate-item-integrated:hover {
    border-color: var(--usdt-green);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(38, 161, 123, 0.2);
}

.tier-rate-item-integrated.selected {
    background: linear-gradient(135deg, rgba(38, 161, 123, 0.25), rgba(38, 161, 123, 0.1));
    border-color: var(--usdt-green);
    border-width: 2px;
    box-shadow: 0 0 0 3px rgba(38, 161, 123, 0.2);
}

.tier-rate-item-integrated.selected::after {
    content: '✓';
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    background: var(--usdt-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: white;
    font-weight: bold;
}

.tier-amount {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 600;
}

.tier-rate {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--usdt-green);
    line-height: 1;
}

/* highlight类的项目字体稍大一些，但不改变背景和边框 */
.tier-rate-item-integrated.highlight .tier-rate {
    font-size: 2rem;
}

.tier-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 1.05rem;
    padding: 12px;
    background: rgba(38, 161, 123, 0.05);
    border-radius: 10px;
    font-weight: 500;
}

.tier-note i {
    color: var(--usdt-green);
    font-size: 1rem;
}

/* 大号质押按钮 */
.plan-btn-large {
    width: 100%;
    padding: 22px;
    background: var(--gradient);
    border: none;
    border-radius: 18px;
    color: white;
    font-weight: 700;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(38, 161, 123, 0.4);
}

.plan-btn-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.plan-btn-large:hover::before {
    left: 100%;
}

.plan-btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(38, 161, 123, 0.5);
}

/* 响应式优化 */
@media (max-width: 768px) {
    .plan-header-integrated {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .plan-emoji-large {
        font-size: 3.5rem;
    }

    .plan-main-title {
        font-size: 1.6rem;
    }

    .plan-subtitle {
        flex-direction: column;
        gap: 8px;
    }

    .plan-divider {
        display: none;
    }

    .plan-apy-large {
        text-align: center;
    }

    .apy-range {
        font-size: 2.8rem;
    }

    .tier-rates-grid-integrated {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .tier-rate {
        font-size: 1.5rem;
    }

    .tier-rate-item-integrated.highlight .tier-rate {
        font-size: 1.7rem;
    }
}

@media (max-width: 480px) {
    .staking-plan-card .card-body {
        padding: 28px 20px !important;
    }

    .plan-emoji-large {
        font-size: 3rem;
    }

    .plan-main-title {
        font-size: 1.4rem;
    }

    .plan-subtitle {
        font-size: 0.85rem;
    }

    .apy-range {
        font-size: 2.4rem;
    }

    .tier-rates-box-integrated {
        padding: 18px;
    }

    .tier-rates-header {
        font-size: 1rem;
    }

    .tier-rate-item-integrated {
        padding: 12px 8px;
    }

    .tier-amount {
        font-size: 0.75rem;
    }

    .tier-rate {
        font-size: 1.3rem;
    }

    .tier-rate-item-integrated.highlight .tier-rate {
        font-size: 1.5rem;
    }

    .plan-btn-large {
        padding: 18px;
        font-size: 1.1rem;
    }
}