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

:root {
    --primary: #00f0ff;
    --primary-dark: #00c0cc;
    --secondary: #7b2cbf;
    --accent: #ff006e;
    --bg-dark: #0a0a1a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #b8b8d0;
    --gradient-1: linear-gradient(135deg, #00f0ff 0%, #7b2cbf 100%);
    --gradient-2: linear-gradient(135deg, #ff006e 0%, #7b2cbf 100%);
    --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3);
    --border-glow: 1px solid rgba(0, 240, 255, 0.3);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

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

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.5;
    animation: float 15s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.5;
    }
    90% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 26, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: var(--border-glow);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
    box-shadow: var(--shadow-glow);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

/* 首页区域 */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 2rem 50px;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.glow {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 240, 255, 0.3);
    animation: glow-pulse 2s infinite;
}

@keyframes glow-pulse {
    0%, 100% {
        filter: brightness(1);
    }
    50% {
        filter: brightness(1.3);
    }
}

.subtitle {
    font-size: 2rem;
    color: var(--text-primary);
    display: block;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* 搜索框 */
.search-box {
    display: flex;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    position: relative;
}

.search-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: var(--border-glow);
    border-radius: 12px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.search-btn {
    padding: 1rem 2rem;
    background: var(--gradient-1);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
    box-shadow: var(--shadow-glow);
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
}

/* 统计数据 */
.stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 1.5rem 2rem;
    background: var(--bg-card);
    border: var(--border-glow);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    min-width: 150px;
    transition: all 0.3s;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    margin-top: 0.5rem;
    display: block;
}

/* 通用容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

/* 区域标题 */
.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.title-text {
    font-size: 2.5rem;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 1rem;
}

.title-line {
    display: block;
    width: 60px;
    height: 3px;
    background: var(--gradient-1);
    margin: 0 auto;
    border-radius: 2px;
}

/* 服务区域 */
.services-section {
    padding: 100px 0;
    position: relative;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(0, 240, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    border: var(--border-glow);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
    transition: left 0.5s;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    box-shadow: var(--shadow-glow);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    text-align: left;
    color: var(--text-secondary);
}

.service-features li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 20px;
}

.service-features li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* 价格区域 */
.pricing-section {
    padding: 100px 0;
    position: relative;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.pricing-card {
    background: var(--bg-card);
    border: var(--border-glow);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
}

.pricing-card.premium {
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
}

.pricing-card.deep {
    border: 2px solid var(--secondary);
}

.pricing-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 0.3rem 1rem;
    background: var(--gradient-1);
    color: white;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-badge.popular {
    background: var(--gradient-2);
    animation: pulse 2s infinite;
}

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

.pricing-price {
    margin: 1.5rem 0;
}

.pricing-price .currency {
    font-size: 1.5rem;
    color: var(--primary);
    vertical-align: super;
}

.pricing-price .amount {
    font-size: 3.5rem;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pricing-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.pricing-features li {
    padding: 0.8rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pricing-features .check {
    color: var(--primary);
    font-weight: bold;
}

.pricing-features .cross {
    color: var(--text-secondary);
}

.pricing-btn {
    width: 100%;
    padding: 1rem;
    background: transparent;
    border: 2px solid var(--primary);
    border-radius: 10px;
    color: var(--primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.pricing-btn:hover {
    background: var(--gradient-1);
    color: white;
    box-shadow: var(--shadow-glow);
}

.pricing-btn.premium-btn {
    background: var(--gradient-1);
    color: white;
}

.pricing-btn.premium-btn:hover {
    background: var(--gradient-2);
}

/* 注册价格 */
.sub-title {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.reg-pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.reg-pricing-card {
    background: var(--bg-card);
    border: var(--border-glow);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
    position: relative;
}

.reg-pricing-card.featured {
    border: 2px solid var(--accent);
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
}

.reg-pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}

.reg-pricing-card.featured:hover {
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.4);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.3rem 1.5rem;
    background: var(--gradient-2);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.reg-pricing-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.reg-price {
    font-size: 2.5rem;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
}

.reg-pricing-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.reg-pricing-card li {
    padding: 0.5rem 0;
    padding-left: 25px;
    position: relative;
}

.reg-pricing-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.reg-btn {
    width: 100%;
    padding: 1rem;
    background: transparent;
    border: 2px solid var(--primary);
    border-radius: 10px;
    color: var(--primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.reg-btn:hover {
    background: var(--gradient-1);
    color: white;
    box-shadow: var(--shadow-glow);
}

.reg-btn.featured-btn {
    background: var(--gradient-2);
    border-color: transparent;
    color: white;
}

.reg-btn.featured-btn:hover {
    background: linear-gradient(135deg, #ff006e 0%, #c70060 100%);
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.5);
}

/* 关于我们 */
.about-section {
    padding: 100px 0;
    position: relative;
}

.about-content {
    text-align: center;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border: var(--border-glow);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.feature-item p {
    color: var(--text-secondary);
}

/* 页脚 */
.footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 3rem 0 1rem;
    position: relative;
    z-index: 1;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-info .logo {
    margin-bottom: 1rem;
}

.footer-info p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    padding: 0.5rem 0;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-contact li {
    color: var(--text-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

/* 弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-dark);
    border: var(--border-glow);
    border-radius: 20px;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modal-slide-in 0.3s ease;
}

@keyframes modal-slide-in {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.3s;
    line-height: 1;
}

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

.modal-title {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 0.5rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-desc {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* 查询选项 */
.query-options {
    display: grid;
    gap: 1rem;
}

.query-option {
    background: var(--bg-card);
    border: var(--border-glow);
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.query-option:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}

.option-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.option-icon.free {
    background: linear-gradient(135deg, #4caf50, #81c784);
}

.option-icon.premium {
    background: var(--gradient-1);
}

.option-icon.deep {
    background: var(--gradient-2);
}

.query-option h3 {
    margin-bottom: 0.5rem;
}

.option-price {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    display: block;
}

.option-price {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.query-option p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 支付信息 */
.payment-info {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.payment-item {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.payment-item:last-child {
    border-bottom: none;
}

.payment-item span:first-child {
    color: var(--text-secondary);
}

.payment-item span:last-child {
    font-weight: 600;
    color: var(--primary);
}

.payment-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.payment-btn {
    padding: 1rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    color: white;
}

.payment-btn.wechat {
    background: #09bb07;
}

.payment-btn.alipay {
    background: #1677ff;
}

.payment-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.payment-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.warning-note {
    color: #ff6b6b !important;
    font-weight: 600;
    background: rgba(255, 107, 107, 0.1);
    padding: 0.8rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 107, 107, 0.3);
    margin-bottom: 0.5rem;
}

/* 支付方式标签 */
.payment-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.payment-tab {
    flex: 1;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.payment-tab:hover {
    border-color: var(--primary);
    background: rgba(0, 240, 255, 0.05);
}

.payment-tab.active {
    background: var(--gradient-1);
    border-color: transparent;
    color: white;
    box-shadow: var(--shadow-glow);
}

.tab-icon {
    width: 24px;
    height: 24px;
    display: inline-block;
}

.tab-icon.wechat-icon {
    background: linear-gradient(135deg, #09bb07, #07c160);
    -webkit-mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>') no-repeat center;
    mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>') no-repeat center;
    -webkit-mask-size: contain;
    mask-size: contain;
}

.tab-icon.alipay-icon {
    background: linear-gradient(135deg, #1677ff, #0e5fd6);
    -webkit-mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>') no-repeat center;
    mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/></svg>') no-repeat center;
    -webkit-mask-size: contain;
    mask-size: contain;
}

/* 支付二维码 */
.payment-qr {
    display: none;
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.payment-qr.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.payment-qr img {
    width: 200px;
    height: 200px;
    border-radius: 10px;
    border: 2px solid var(--primary);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-glow);
}

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

/* 支付弹窗内容调整 */
.payment-modal-content {
    max-width: 500px;
}

@media (max-width: 768px) {
    .payment-qr img {
        width: 160px;
        height: 160px;
    }

    .payment-tabs {
        flex-direction: column;
    }

    .payment-modal-content {
        padding: 1.5rem;
    }
}


/* 注册选项 */
.reg-options {
    display: grid;
    gap: 1rem;
}

.reg-option {
    background: var(--bg-card);
    border: var(--border-glow);
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.reg-option.featured {
    border-color: var(--accent);
}

.reg-option:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}

.reg-option h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.reg-option-price {
    font-size: 2rem;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.reg-option ul {
    list-style: none;
    text-align: left;
    color: var(--text-secondary);
}

.reg-option li {
    padding: 0.3rem 0;
    padding-left: 20px;
    position: relative;
}

.reg-option li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* 响应式 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.5rem;
    }

    .nav-menu {
        display: none;
    }

    .search-box {
        flex-direction: column;
    }

    .stats {
        flex-direction: column;
        gap: 1rem;
    }

    .stat-item {
        min-width: auto;
    }

    .pricing-grid,
    .reg-pricing-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .payment-methods {
        grid-template-columns: 1fr;
    }

    .modal-content {
        padding: 1.5rem;
    }
}

/* 滚动样式 */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

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

/* 客服飘窗 */
.floating-service {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1000;
}

.service-toggle {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    transition: all 0.3s;
    color: white;
    animation: pulse 2s infinite;
}

.service-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
}

.service-content {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 280px;
    background: rgba(10, 10, 26, 0.95);
    border: var(--border-glow);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    overflow: hidden;
    display: none;
    animation: slideUp 0.3s ease;
}

.service-content.active {
    display: block;
}

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

.service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
}

.service-header span {
    color: var(--text-primary);
    font-weight: 600;
}

.close-service {
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 1.5rem;
    line-height: 1;
    transition: color 0.3s;
}

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

.service-items {
    padding: 0.5rem;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
}

.service-item:hover {
    background: rgba(0, 240, 255, 0.1);
    transform: translateX(-5px);
}

.service-item-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.service-item-icon.qq {
    background: linear-gradient(135deg, #12b7f5, #0099ff);
}

.service-item-icon.phone {
    background: linear-gradient(135deg, #ff6b6b, #ee5a5a);
}

.service-item-icon.wechat {
    background: linear-gradient(135deg, #09bb07, #07c160);
}

.service-item-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.service-item-title {
    color: var(--text-primary);
    font-weight: 500;
}

.service-item-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* 微信二维码弹窗 */
.wechat-qr-modal {
    display: none;
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 280px;
    background: rgba(10, 10, 26, 0.95);
    border: var(--border-glow);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    padding: 1.5rem;
    text-align: center;
    animation: slideUp 0.3s ease;
}

.wechat-qr-modal.active {
    display: block;
}

.wechat-qr-modal h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.wechat-qr-modal img {
    width: 200px;
    height: 200px;
    border-radius: 10px;
    margin-bottom: 0.5rem;
    border: 2px solid var(--primary);
}

.wechat-qr-modal p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.close-qr {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
}

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

/* 为什么选择我们 */
.why-choose {
    margin-top: 4rem;
}

.why-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.why-card {
    background: var(--bg-card);
    border: var(--border-glow);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s;
}

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

.why-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.why-number {
    font-size: 3rem;
    font-weight: bold;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.why-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.why-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 服务流程 */
.process-section {
    margin-top: 4rem;
}

.process-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.process-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.process-step {
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-glow);
    transition: all 0.3s;
}

.process-step:hover .step-icon {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.6);
}

.process-step h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.process-step p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.process-arrow {
    color: var(--primary);
    font-size: 2rem;
    font-weight: bold;
    animation: pulse 2s infinite;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .service-content {
        width: 250px;
        right: -10px;
    }

    .wechat-qr-modal {
        width: 250px;
        right: -10px;
    }

    .wechat-qr-modal img {
        width: 180px;
        height: 180px;
    }

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

    .process-steps {
        flex-direction: column;
    }

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

    .process-step {
        width: 100%;
    }
}