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

:root {
    /* 微扑克配色方案 */
    --primary-color: #00a6ff;
    --secondary-color: #00d4aa;
    --dark-bg: #0a1628;
    --card-bg: rgba(15, 30, 60, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --accent-glow: rgba(0, 166, 255, 0.3);
    --success-color: #00d4aa;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 背景动画 */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.1;
    animation: float 20s infinite;
}

.circle-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.circle-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    right: -100px;
    animation-delay: 7s;
    background: radial-gradient(circle, var(--secondary-color) 0%, transparent 70%);
}

.circle-3 {
    width: 500px;
    height: 500px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.02);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.98);
    }
}

/* 容器 */
.container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部 */
.header {
    text-align: center;
    padding: 40px 0;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 2.5em;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.logo i {
    font-size: 1.2em;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.tagline {
    font-size: 1.1em;
    color: var(--text-secondary);
    letter-spacing: 3px;
}

/* 主要内容 */
.main-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* 俱乐部卡片 */
.club-card {
    position: relative;
    background: var(--card-bg);
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 166, 255, 0.2);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 50%);
    animation: rotate 15s linear infinite;
    pointer-events: none;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.club-title {
    position: relative;
    font-size: 3em;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.club-number-section {
    position: relative;
    margin: 40px 0;
}

.club-number-label {
    font-size: 1.2em;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.club-number {
    display: inline-block;
    font-size: 4em;
    font-weight: bold;
    color: var(--primary-color);
    background: rgba(0, 166, 255, 0.1);
    padding: 20px 60px;
    border-radius: 15px;
    border: 2px solid var(--primary-color);
    letter-spacing: 8px;
    margin-bottom: 20px;
    box-shadow: 0 0 30px var(--accent-glow);
}

.copy-btn {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1.1em;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

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

.main-slogan {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 1.5em;
    color: var(--secondary-color);
    margin-top: 30px;
    padding: 20px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 10px;
}

.main-slogan i {
    font-size: 1.3em;
}

/* 特色服务 */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 35px 25px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 166, 255, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px var(--accent-glow);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2em;
}

.feature-card h3 {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 信任保障 */
.trust-section {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 50px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 166, 255, 0.2);
}

.section-title {
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.trust-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(0, 212, 170, 0.05);
    border-radius: 10px;
    border-left: 4px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.trust-item:hover {
    background: rgba(0, 212, 170, 0.1);
    transform: translateX(5px);
}

.trust-item i {
    font-size: 1.5em;
    color: var(--secondary-color);
}

.trust-item span {
    font-size: 1.1em;
    color: var(--text-secondary);
}

/* 加入步骤 */
.steps-section {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 50px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 166, 255, 0.2);
}

.steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.step {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px;
    background: rgba(0, 166, 255, 0.05);
    border-radius: 15px;
    border: 2px solid rgba(0, 166, 255, 0.2);
    transition: all 0.3s ease;
}

.step:hover {
    background: rgba(0, 166, 255, 0.1);
    border-color: var(--primary-color);
    transform: scale(1.01);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2em;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.3em;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.step-content p {
    color: var(--text-secondary);
}

.step-arrow {
    font-size: 2em;
    color: var(--primary-color);
}

/* 联系方式 */
.contact-section {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 50px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 166, 255, 0.2);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.2em;
    color: var(--text-secondary);
}

.contact-item i {
    font-size: 1.5em;
    color: var(--primary-color);
}

/* CTA按钮 */
.cta-section {
    text-align: center;
    padding: 40px 0;
}

.cta-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 20px 60px;
    font-size: 1.5em;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 40px var(--accent-glow);
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px var(--accent-glow);
}

.cta-button:active {
    transform: translateY(-2px);
}

.cta-note {
    margin-top: 20px;
    font-size: 1.1em;
    color: var(--secondary-color);
}

/* 页脚 */
.footer {
    text-align: center;
    padding: 40px 0 20px;
    color: var(--text-secondary);
    border-top: 1px solid rgba(0, 166, 255, 0.1);
}

.footer-keywords {
    margin-top: 10px;
    color: rgba(160, 174, 192, 0.5);
    font-size: 0.85em;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .header {
        padding: 20px 0;
    }

    .logo {
        font-size: 1.8em;
    }

    .tagline {
        font-size: 0.9em;
    }

    .club-card {
        padding: 30px 20px;
    }

    .club-title {
        font-size: 2em;
    }

    .club-number {
        font-size: 2.5em;
        padding: 15px 30px;
        letter-spacing: 4px;
    }

    .main-slogan {
        font-size: 1.1em;
        flex-direction: column;
        gap: 10px;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .trust-section,
    .steps-section,
    .contact-section {
        padding: 30px 20px;
    }

    .section-title {
        font-size: 1.8em;
    }

    .trust-items {
        grid-template-columns: 1fr;
    }

    .steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .contact-info {
        flex-direction: column;
        gap: 20px;
    }

    .cta-button {
        padding: 15px 40px;
        font-size: 1.2em;
    }

    .circle-1,
    .circle-2,
    .circle-3 {
        width: 300px;
        height: 300px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.club-card,
.feature-card,
.trust-section,
.steps-section,
.contact-section {
    animation: fadeIn 0.8s ease-out;
}

/* 复制成功提示 */
.copy-success {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 212, 170, 0.95);
    color: white;
    padding: 20px 40px;
    border-radius: 10px;
    font-size: 1.2em;
    font-weight: bold;
    z-index: 10000;
    animation: fadeInOut 2s ease-in-out;
    box-shadow: 0 10px 40px rgba(0, 212, 170, 0.5);
    display: flex;
    align-items: center;
    gap: 10px;
}

@keyframes fadeInOut {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
    20% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    80% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.8);
    }
}

/* 自定义模态弹窗 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
}

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

.modal-container {
    position: relative;
    background: linear-gradient(135deg, rgba(15, 30, 60, 0.95), rgba(10, 22, 40, 0.98));
    border-radius: 25px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border: 2px solid rgba(0, 166, 255, 0.3);
    box-shadow: 0 20px 80px rgba(0, 166, 255, 0.4);
    transform: scale(0.8);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 1.2em;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.modal-close:hover {
    background: rgba(255, 77, 77, 0.8);
    border-color: #ff4d4d;
    transform: rotate(90deg);
}

.modal-header {
    text-align: center;
    padding: 40px 40px 30px;
    border-bottom: 1px solid rgba(0, 166, 255, 0.2);
}

.modal-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3em;
    color: white;
    box-shadow: 0 10px 40px var(--accent-glow);
    animation: modalIconPulse 2s ease-in-out infinite;
}

@keyframes modalIconPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 10px 40px var(--accent-glow);
    }
    50% {
        transform: scale(1.03);
        box-shadow: 0 15px 50px var(--accent-glow);
    }
}

.modal-header h2 {
    font-size: 2em;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.modal-body {
    padding: 40px;
}

.modal-step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

.modal-step-icon {
    width: 50px;
    height: 50px;
    background: rgba(0, 166, 255, 0.2);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    color: var(--primary-color);
    flex-shrink: 0;
}

.modal-step-text h4 {
    font-size: 1.3em;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.modal-step-text p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.modal-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 166, 255, 0.3), transparent);
    margin: 30px 0;
}

.modal-club-number-box {
    background: rgba(0, 166, 255, 0.05);
    border: 2px solid rgba(0, 166, 255, 0.3);
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    margin: 30px 0;
}

.modal-club-label {
    display: block;
    font-size: 1.1em;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.modal-club-number {
    font-size: 3em;
    font-weight: bold;
    color: var(--primary-color);
    letter-spacing: 8px;
    margin-bottom: 20px;
    text-shadow: 0 0 20px var(--accent-glow);
}

.modal-copy-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1.1em;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.modal-copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.modal-contact {
    background: rgba(0, 212, 170, 0.1);
    border-left: 4px solid var(--secondary-color);
    padding: 20px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 25px;
    color: var(--text-secondary);
}

.modal-contact i {
    font-size: 2em;
    color: var(--secondary-color);
}

.modal-contact strong {
    color: var(--secondary-color);
}

.modal-footer {
    padding: 20px 40px 40px;
    text-align: center;
}

.modal-btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 15px 50px;
    font-size: 1.3em;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 30px var(--accent-glow);
}

.modal-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px var(--accent-glow);
}

.modal-btn-primary:active {
    transform: translateY(-1px);
}

/* 滚动条美化 */
.modal-container::-webkit-scrollbar {
    width: 8px;
}

.modal-container::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

.modal-container::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

.modal-container::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--secondary-color), var(--primary-color));
}

/* 响应式 - 模态弹窗 */
@media (max-width: 768px) {
    .modal-container {
        border-radius: 20px;
        max-height: 85vh;
    }

    .modal-header {
        padding: 30px 20px 20px;
    }

    .modal-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5em;
    }

    .modal-header h2 {
        font-size: 1.5em;
    }

    .modal-body {
        padding: 30px 20px;
    }

    .modal-step {
        gap: 15px;
    }

    .modal-step-icon {
        width: 45px;
        height: 45px;
        font-size: 1.3em;
    }

    .modal-step-text h4 {
        font-size: 1.1em;
    }

    .modal-step-text p {
        font-size: 0.95em;
    }

    .modal-club-number {
        font-size: 2em;
        letter-spacing: 4px;
    }

    .modal-footer {
        padding: 15px 20px 30px;
    }

    .modal-btn-primary {
        font-size: 1.1em;
        padding: 12px 40px;
    }

    .modal-close {
        width: 35px;
        height: 35px;
        top: 15px;
        right: 15px;
    }
}