:root {
    --primary: #6e44ff;
    --secondary: #00e5ff;
    --dark: #0a0a18;
    --darker: #050510;
    --light: #f8f9fc;
    --gray: #8b8b9a;
    --card-bg: rgba(25, 25, 45, 0.6);
    --card-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
    color: var(--light);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 24, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--secondary);
}

.language-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--card-border);
    color: var(--light);
    padding: 8px 15px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
}

.language-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    position: relative;
    text-align: center;
}

#globe-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.4;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 40px;
    line-height: 1.6;
}

.features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 50px;
}

.feature {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
    width: 180px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(110, 68, 255, 0.2);
}

.feature i {
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: 15px;
}

.feature h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

/* Plans Section */
.plans {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    font-weight: 700;
}

.plans-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.plan-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 40px 30px;
    width: 320px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(110, 68, 255, 0.25);
}

.plan-card.most_popular::before {
    content: var(--badge-text, "最受欢迎");
    position: absolute;
    top: 15px;
    right: -30px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
    padding: 5px 30px;
    font-size: 0.8rem;
    transform: rotate(45deg);
    z-index: 1;
}

.plan-card.popular::before {
    content: var(--badge-text, "热门");
    position: absolute;
    top: 15px;
    right: -25px;
    background: #4CAF50;
    color: white;
    padding: 5px 30px;
    font-size: 0.8rem;
    transform: rotate(45deg);
    z-index: 1;
}

.plan-card.affordable::before {
    content: var(--badge-text, "经济实惠");
    position: absolute;
    top: 15px;
    right: -30px;
    background: #FF9800;
    color: white;
    padding: 5px 30px;
    font-size: 0.8rem;
    transform: rotate(45deg);
    z-index: 1;
}

.plan-card.reseller::before {
    content: var(--badge-text, "经销商专用");
    position: absolute;
    top: 15px;
    right: -30px;
    background: #9C27B0;
    color: white;
    padding: 5px 30px;
    font-size: 0.9rem;
    transform: rotate(45deg);
    z-index: 1;
}

.plan-category {
    font-size: 0.9rem;
    color: var(--secondary);
    margin-bottom: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--secondary);
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
}

.plan-features li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.plan-features li i {
    color: var(--secondary);
    margin-right: 10px;
}

.btn-subscribe {
    width: 100%;
    padding: 15px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border: none;
    border-radius: 30px;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-subscribe:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(110, 68, 255, 0.4);
}

/* Footer */
footer {
    background: var(--darker);
    padding: 40px 0;
    text-align: center;
    margin-top: 60px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

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

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

.copyright {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Support Section */
.support {
    padding: 80px 0;
    text-align: center;
}

.support-content {
    max-width: 800px;
    margin: 0 auto;
}

.support-email {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 25px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 30px;
    color: var(--secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.support-email:hover {
    background: rgba(110, 68, 255, 0.2);
    transform: translateY(-3px);
}

/* Payment Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

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

.payment-modal {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 30px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    backdrop-filter: blur(10px);
    position: relative;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: var(--light);
    font-size: 24px;
    cursor: pointer;
}

.modal-title {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--secondary);
}

.payment-instruction {
    text-align: center;
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    font-weight: 500;
}

.payment-qrs {
    display: flex;
    justify-content: space-around;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 20px;
}

.payment-method {
    text-align: center;
}

.payment-method img {
    width: 300px;
    height: 300px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 10px;
    border: 2px solid var(--card-border);
}

.payment-method p {
    font-size: 0.9rem;
}

.payment-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input {
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    background: rgba(0, 0, 0, 0.2);
    color: var(--light);
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.required::after {
    content: "*";
    color: #ff4757;
    margin-left: 4px;
}

.btn-submit {
    padding: 15px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(110, 68, 255, 0.4);
}

.form-notice {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--gray);
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 30px;
    display: none;
}

.success-message i {
    font-size: 4rem;
    color: #2ed573;
    margin-bottom: 20px;
}

/* Policy Modal */
.policy-modal {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 30px;
    width: 100%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    backdrop-filter: blur(10px);
    position: relative;
}

.policy-content {
    padding: 20px;
}

.policy-content h2 {
    color: var(--secondary);
    margin-bottom: 20px;
    text-align: center;
}

.policy-content h3 {
    color: var(--secondary);
    margin: 20px 0 10px;
}

.policy-content p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.policy-error {
    text-align: center;
    padding: 40px 20px;
    color: var(--gray);
}

.policy-error i {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #ff6b6b;
}

/* Additional styles for policy modals */
.policy-content {
    padding: 20px;
}

.policy-content h2 {
    color: var(--secondary);
    margin-bottom: 20px;
    text-align: center;
}

.policy-content h3 {
    color: var(--secondary);
    margin: 20px 0 10px;
}

.policy-content p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.policy-content ul, .policy-content ol {
    margin-left: 20px;
    margin-bottom: 15px;
}

.policy-content li {
    margin-bottom: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .features {
        flex-direction: column;
        align-items: center;
    }
    
    .plans-container {
        flex-direction: column;
        align-items: center;
    }
    
    .plan-card {
        width: 100%;
        max-width: 350px;
    }
    
    .nav-links {
        display: none;
    }
    
    .payment-qrs {
        flex-direction: column;
        align-items: center;
    }
    
    .payment-method img {
        width: 250px;
        height: 250px;
    }
    
    .footer-links {
        flex-wrap: wrap;
    }
    
    .plan-card.most_popular::before,
    .plan-card.popular::before,
    .plan-card.affordable::before,
    .plan-card.reseller::before {
        font-size: 0.7rem;
        padding: 4px 20px;
        right: -25px;
    }
    
    .plan-card.popular::before {
        right: -20px;
    }
}