/* 全局样式 */
:root {
    --primary-color: #0074E4;
    --secondary-color: #005BB5;
    --accent-color: #00A3FF;
    --text-color: #333333;
    --light-text: #FFFFFF;
    --dark-text: #555555;
    --background-color: #FFFFFF;
    --card-bg: #FFFFFF;
    --border-color: #E0E6F0;
    --success-color: #4CAF50;
    --warning-color: #FFC107;
    --gradient-blue: linear-gradient(135deg, #0074E4 0%, #00A3FF 100%);
}

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

html, body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    height: 100%;
    overflow-x: hidden;
}

/* 头部导航 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
}

.logo {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    border-radius: 50%;
}

.brand-name {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.wallet-connect-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.wallet-connect-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.wallet-connect-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    transform: none;
}

.wallet-address {
    background-color: #f8f9fa;
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-family: 'Courier New', monospace;
    border: 1px solid var(--border-color);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 主要内容 */
main {
    margin-top: 70px;
    padding-bottom: 50px;
}

section {
    padding: 40px 5%;
}

.section-title {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
    font-size: 28px;
    font-weight: bold;
}

.section-subtitle {
    text-align: center;
    margin-bottom: 30px;
    color: var(--text-color);
    font-size: 20px;
    font-weight: 600;
}

.white-text {
    color: var(--light-text) !important;
}

.section-desc {
    text-align: center;
    margin-top: 30px;
    color: var(--dark-text);
    font-size: 16px;
}

/* 英雄区域 */
.hero {
    background: var(--gradient-blue);
    color: var(--light-text);
    padding: 80px 5% 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="none"/><path d="M0,50 Q25,0 50,50 T100,50" stroke="%23FFFFFF" stroke-width="0.5" fill="none" opacity="0.2"/></svg>') repeat;
    opacity: 0.2;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.main-title {
    font-size: 40px;
    margin-bottom: 20px;
    color: var(--light-text);
    font-weight: bold;
}

.highlight-text {
    color: #000000;
    background-color: var(--light-text);
    padding: 0 10px;
    border-radius: 4px;
}

.hero-description {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: var(--light-text);
}

.cta-button {
    background-color: var(--light-text);
    color: var(--primary-color);
    border: none;
    padding: 15px 30px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

/* 路线图 */
.roadmap {
    background-color: #F5F9FF;
    padding: 50px 5%;
}

.roadmap-item {
    background-color: var(--card-bg);
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 20px;
    position: relative;
    box-shadow: 0 4px 10px rgba(0, 116, 228, 0.1);
}

.roadmap-title {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 10px;
    font-weight: bold;
}

.roadmap-title::before {
    content: '■';
    color: var(--primary-color);
    margin-right: 8px;
}

.roadmap-content {
    color: var(--text-color);
    padding-left: 20px;
}

/* 节点认购 */
.node-subscription {
    background-color: #F5F9FF;
    padding: 50px 5%;
}

.node-types {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 30px;
}

.node-type {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 450px;
    position: relative;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.node-type::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-blue);
    border-radius: 12px 12px 0 0;
}

.node-type:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 116, 228, 0.2);
}

.node-title {
    text-align: center;
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--primary-color);
    font-weight: bold;
}

.price {
    text-align: center;
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.remaining-count {
    text-align: center;
    font-size: 14px;
    margin-bottom: 20px;
    color: var(--dark-text);
    font-weight: 600;
}

.remaining-count.low {
    color: #ff5722;
}

.remaining-count.sold-out {
    color: #f44336;
    font-weight: bold;
}

.benefits {
    margin-bottom: 25px;
    list-style: none;
}

.benefits li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
    color: var(--text-color);
}

.benefits li::before {
    content: '✓';
    color: var(--primary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.subscribe-button {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 16px;
    padding: 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.subscribe-button:hover {
    background-color: var(--accent-color);
}

.subscribe-button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.premium {
    border: 2px solid var(--primary-color);
}

.premium-tag {
    position: absolute;
    top: -12px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.note {
    text-align: center;
    margin-top: 30px;
    color: var(--dark-text);
    font-size: 14px;
}

.note strong {
    color: var(--primary-color);
}

/* 用户面板 */
.user-dashboard {
    background-color: #F5F9FF;
    padding: 50px 5%;
}

.user-info-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.user-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.user-info-header h3 {
    color: var(--primary-color);
    margin: 0;
    font-size: 20px;
}

.wallet-address-display {
    background-color: #f8f9fa;
    padding: 8px 16px;
    border-radius: 20px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.user-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

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

.stat-label {
    color: var(--dark-text);
    font-size: 14px;
    margin-bottom: 5px;
}

.stat-value {
    color: var(--primary-color);
    font-size: 18px;
    font-weight: bold;
}

/* 邀请链接 */
.invite-section {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.invite-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 18px;
}

.invite-link-container {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.invite-link-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    background-color: #f8f9fa;
    font-family: 'Courier New', monospace;
}

.copy-invite-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.copy-invite-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

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

.copy-invite-btn.copied {
    background-color: var(--success-color);
}

.invite-note {
    color: var(--dark-text);
    font-size: 14px;
    margin: 0;
}

/* 团队统计 */
.team-stats-section {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.team-stats-section h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 18px;
}

.team-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.team-stat-card {
    text-align: center;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.team-stat-card:hover {
    transform: translateY(-3px);
}

.team-stat-number {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.team-stat-label {
    color: var(--dark-text);
    font-size: 14px;
}

/* 下级投资信息 */
.referrals-section {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.referrals-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.referrals-header h3 {
    color: var(--primary-color);
    margin: 0;
    font-size: 18px;
}

.refresh-referrals-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.refresh-referrals-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.referrals-tabs {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    gap: 5px;
}

.referrals-tab {
    background: none;
    border: none;
    padding: 8px 12px;
    cursor: pointer;
    color: var(--dark-text);
    font-size: 13px;
    position: relative;
    transition: all 0.3s ease;
    border-radius: 4px;
    white-space: nowrap;
}

.referrals-tab.active {
    color: var(--primary-color);
    font-weight: 600;
    background-color: rgba(0, 116, 228, 0.1);
}

.referrals-tab.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.referrals-tab:hover {
    color: var(--primary-color);
}

.referrals-list {
    min-height: 200px;
}

.no-referrals {
    text-align: center;
    color: var(--dark-text);
    padding: 50px 20px;
    font-size: 16px;
}

.loading {
    text-align: center;
    color: var(--primary-color);
    padding: 50px 20px;
    font-size: 16px;
}

.referral-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    margin-bottom: 10px;
    background-color: #f8f9fa;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease;
}

.referral-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 116, 228, 0.1);
}

.referral-address {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--text-color);
    font-weight: 600;
}

/* 下级投资信息展示区域 */
.referrals-investment-section {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    margin-top: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.referrals-investment-section h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 18px;
    text-align: center;
}

.referrals-investment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.investment-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.investment-tab {
    background: none;
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    color: var(--dark-text);
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.investment-tab.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.investment-tab:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.investment-tab.active:hover {
    color: white;
}

.refresh-investment-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.refresh-investment-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.refresh-investment-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    transform: none;
}


.investment-list {
    min-height: 200px;
    max-height: 400px;
    overflow-y: auto;
}

.no-investment {
    text-align: center;
    color: var(--dark-text);
    padding: 50px 20px;
    font-size: 16px;
}

.investment-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    margin-bottom: 10px;
    background-color: #f8f9fa;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.investment-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 116, 228, 0.1);
}

.investment-left {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
    flex: 1;
    padding-right: 15px;
}

.investment-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    gap: 5px;
    flex: 1;
}

.investment-address {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--text-color);
    font-weight: 600;
}

.investment-details {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.investment-node-type {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.investment-node-type.normal {
    background-color: #e3f2fd;
    color: #1976d2;
}

.investment-node-type.premium {
    background-color: #fff3e0;
    color: #f57c00;
}

.investment-node-type.none {
    background-color: #f5f5f5;
    color: #9e9e9e;
}

.investment-amount {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 2px;
}

.investment-time {
    font-size: 12px;
    color: var(--dark-text);
}

/* 下级投资信息样式 */
.referral-investment {
    font-weight: bold;
    color: #007bff;
    font-size: 14px;
}

.referral-time {
    font-size: 12px;
    color: #6c757d;
}

.referral-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.referral-node-type {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.referral-node-type.normal {
    background-color: #e3f2fd;
    color: #1976d2;
}

.referral-node-type.premium {
    background-color: #fff3e0;
    color: #f57c00;
}

.referral-investment {
    font-size: 14px;
    font-weight: bold;
    color: var(--primary-color);
}

.referral-time {
    font-size: 12px;
    color: var(--dark-text);
}

/* 市场行情 */
.market-trends {
    background-color: var(--card-bg);
    padding: 50px 5%;
}

.market-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.refresh-prices-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.refresh-prices-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.refresh-prices-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    transform: none;
}

.market-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.market-tab {
    padding: 12px 20px;
    cursor: pointer;
    color: var(--dark-text);
    position: relative;
    transition: all 0.3s ease;
}

.market-tab.active {
    color: var(--primary-color);
    font-weight: 600;
}

.market-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.market-list {
    max-width: 600px;
    margin: 0 auto;
}

.market-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.coin-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
}

.coin-icon.btc {
    background-color: #F7931A;
    color: white;
}

.coin-icon.trx {
    background-color: #FF0013;
    color: white;
}

.coin-icon.doge {
    background-color: #C2A633;
    color: white;
}

.coin-icon.bnb {
    background-color: #F3BA2F;
    color: black;
}

.coin-icon.xrp {
    background-color: #23292F;
    color: white;
}

.coin-details {
    flex-grow: 1;
}

.coin-name {
    font-weight: 600;
    color: var(--text-color);
}

.coin-price {
    font-size: 16px;
    font-weight: 600;
    margin-right: 15px;
    color: var(--text-color);
}

.coin-change {
    font-size: 14px;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.coin-change.positive {
    color: var(--success-color);
}

.coin-change.negative {
    color: #FF5252;
}

/* 优势部分 */
.advantages {
    background: var(--gradient-blue);
    color: var(--light-text);
    padding: 60px 5%;
}

.advantages-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto 30px;
}

.advantage-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.advantage-icon {
    width: 10px;
    height: 10px;
    background-color: var(--light-text);
    border-radius: 50%;
    flex-shrink: 0;
}

.advantage-text {
    color: var(--light-text);
    font-size: 16px;
    font-weight: 500;
}

/* 愿景使命 */
.vision-section {
    background: #F5F9FF;
    padding: 60px 5%;
    text-align: center;
}

.mission-box {
    background-color: var(--card-bg);
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    padding: 30px;
    max-width: 800px;
    margin: 0 auto 30px;
    box-shadow: 0 4px 10px rgba(0, 116, 228, 0.1);
}

.mission-box p {
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 15px;
}

.mission-box p:last-child {
    margin-bottom: 0;
}

.vision-description {
    color: var(--dark-text);
    font-size: 18px;
    font-weight: 600;
}

/* AI区块链 */
.ai-blockchain {
    background: var(--gradient-blue);
    padding: 60px 5%;
    text-align: center;
}

.ai-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
}

.ai-feature {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    padding: 25px;
    width: 100%;
    max-width: 350px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.ai-feature h4 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: bold;
}

.ai-feature p {
    color: var(--text-color);
    line-height: 1.6;
    font-size: 14px;
}

.join-cta {
    font-size: 18px;
    font-weight: 600;
    color: var(--light-text);
}

.join-cta p {
    margin-bottom: 10px;
}

/* 底部CTA */
.final-cta {
    background-color: var(--primary-color);
    padding: 50px 5%;
    text-align: center;
}

.final-cta-text {
    color: white;
    font-size: 16px;
    max-width: 800px;
    margin: 0 auto 30px;
}

/* 浮动按钮 */
.node-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: white;
    padding: 15px 25px;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 5px 20px rgba(0, 116, 228, 0.3);
    z-index: 999;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.node-button:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 116, 228, 0.4);
}

.node-button-icon {
    margin-right: 8px;
    font-size: 16px;
}

/* 连接状态指示 */
.connecting {
    opacity: 0.7;
    pointer-events: none;
}

.connected {
    background-color: var(--success-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header {
        padding: 12px 4%;
    }
    
    .brand-name {
        font-size: 20px;
    }
    
    .wallet-connect-btn {
        padding: 8px 16px;
        font-size: 12px;
    }
    
    .wallet-address {
        max-width: 150px;
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .main-title {
        font-size: 28px;
    }
    
    .node-types {
        flex-direction: column;
        align-items: center;
    }
    
    .node-type {
        max-width: 100%;
    }
    
    .ai-features {
        flex-direction: column;
        align-items: center;
    }
    
    .advantages-list {
        gap: 15px;
    }
    
    /* 用户面板响应式 */
    .user-stats {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
    }
    
    .invite-link-container {
        flex-direction: column;
        gap: 10px;
    }
    
    .team-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .team-stat-number {
        font-size: 24px;
    }
    
    .referrals-tabs {
        flex-wrap: wrap;
    }
    
    .referrals-tab {
        padding: 10px 15px;
        font-size: 13px;
    }
    
    .referral-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .referral-info {
        align-items: flex-start;
        width: 100%;
    }
    
    .referral-address {
        font-size: 12px;
        word-break: break-all;
    }
    
    section {
        padding: 30px 4%;
    }
    
    /* 下级投资信息响应式 */
    .referrals-investment-header {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .investment-tabs {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .investment-tab {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    
    .investment-item {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
        padding: 12px;
    }
    
    .investment-left {
        padding-right: 10px;
        align-items: flex-start;
        text-align: left;
        flex: 1;
    }
    
    .investment-right {
        align-items: flex-end;
        text-align: right;
        flex: 1;
    }
    
    .investment-amount {
        font-size: 16px;
    }
    
    .investment-details {
        align-items: flex-start;
        width: 100%;
    }
    
    .investment-address {
        font-size: 13px;
        word-break: break-all;
        line-height: 1.2;
    }
}