/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #2d2d2d;
    --accent-color: #404040;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --border-color: #333333;
    --hover-color: #555555;
    --success-color: #10b981;
    --background: #0a0a0a;
    --card-background: #1a1a1a;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    --shadow-hover: 0 25px 60px rgba(0, 0, 0, 0.8);
    --shadow-luxury: 0 30px 80px rgba(16, 185, 129, 0.15);
    --glow: 0 0 30px rgba(16, 185, 129, 0.3);
}

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

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    z-index: 1000;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.nav-logo i {
    margin-right: 0.5rem;
    color: var(--success-color);
}

.nav-logo .logo-image {
    height: 40px;
    width: auto;
    margin-right: 0.8rem;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

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

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

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

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

/* 英雄区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(ellipse at top, rgba(16, 185, 129, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at bottom right, rgba(16, 185, 129, 0.06) 0%, transparent 50%),
                linear-gradient(135deg, #0a0a0a 0%, #0d0d0d 100%);
    position: relative;
    overflow: hidden;
    padding: 140px 40px 100px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%2310b981" stop-opacity="0.15"/><stop offset="100%" stop-color="%2310b981" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="300" fill="url(%23a)"/><circle cx="800" cy="300" r="250" fill="url(%23a)"/><circle cx="400" cy="700" r="200" fill="url(%23a)"/></svg>') no-repeat center center;
    background-size: cover;
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-20px) scale(1.05); }
}

.hero-content {
    z-index: 1;
    max-width: 850px;
    padding: 0 30px;
    position: relative;
}

.hero-content::before {
    content: '';
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--success-color), transparent);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.25;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.85) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 4px 30px rgba(255, 255, 255, 0.1);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 2.5rem;
    line-height: 1.9;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    letter-spacing: 0.02em;
}

.cta-button {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: white;
    border: none;
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.3), 0 0 0 1px rgba(16, 185, 129, 0.1);
    position: relative;
    overflow: hidden;
}

.cta-button::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 ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.4), var(--glow);
}

/* 服务介绍 */
.services {
    padding: 140px 0;
    background: var(--card-background);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.3), transparent);
}

.section-title {
    text-align: center;
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #ffffff;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 3rem;
    margin-top: 5rem;
}

.service-card {
    background: linear-gradient(135deg, rgba(45, 45, 45, 0.8), rgba(64, 64, 64, 0.6));
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.15), transparent);
    transition: left 0.6s ease;
}

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

.service-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::after {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-luxury), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}

.service-icon {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, var(--success-color), #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
}

.service-icon::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.5), transparent);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover .service-icon::before {
    opacity: 1;
}

.service-icon i {
    font-size: 2.2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.service-card p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 1.05rem;
}

.service-card ul {
    list-style: none;
}

.service-card ul li {
    color: #ffffff;
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.service-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* 服务优势 */
.advantages {
    padding: 140px 0;
    background: var(--background);
    position: relative;
}

.advantages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.3), transparent);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 4rem;
    margin-top: 5rem;
}

.advantage-item {
    text-align: center;
    padding: 2.5rem;
    transition: transform 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-8px);
}

.advantage-icon {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--success-color), #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 15px 50px rgba(16, 185, 129, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    transition: all 0.4s ease;
}

.advantage-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.4), transparent);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.advantage-item:hover .advantage-icon {
    box-shadow: 0 20px 60px rgba(16, 185, 129, 0.5), var(--glow);
}

.advantage-item:hover .advantage-icon::before {
    opacity: 1;
}

.advantage-icon i {
    font-size: 3rem;
    color: white;
}

.advantage-item h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.advantage-item p {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* 联系表单 */
.contact {
    padding: 140px 0;
    background: var(--card-background);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.3), transparent);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 3rem;
}

.contact-info h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
}

.contact-form {
    background: var(--secondary-color);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.required {
    color: var(--success-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--accent-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.checkbox-item:hover {
    color: var(--text-primary);
}

.checkbox-item input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-right: 0.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-item input[type="checkbox"]:checked + .checkmark {
    background: var(--success-color);
    border-color: var(--success-color);
}

.checkbox-item input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.submit-btn {
    width: 100%;
    background: var(--success-color);
    color: white;
    border: none;
    padding: 1.2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* 页脚 */
.footer {
    background: var(--primary-color);
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.footer-section p i {
    margin-right: 0.5rem;
    color: var(--success-color);
}

.qr-code {
    text-align: center;
}

.wechat-qr {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 10px;
    border: 2px solid var(--border-color);
}

.qr-placeholder {
    width: 150px;
    height: 150px;
    background: var(--secondary-color);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.qr-placeholder i {
    font-size: 3rem;
    color: var(--success-color);
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

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

.modal-content {
    background: var(--card-background);
    margin: 15% auto;
    padding: 2rem;
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    box-shadow: var(--shadow-hover);
    animation: modalSlideIn 0.3s ease;
}

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

.close {
    color: var(--text-muted);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

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

.success-icon {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 1rem;
}

.login-icon {
    font-size: 4rem;
    color: var(--success-color);
    margin-bottom: 1rem;
}

.login-form {
    margin-top: 1.5rem;
}

.login-input {
    width: 100%;
    padding: 1rem;
    background: var(--accent-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.login-input:focus {
    outline: none;
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.login-form {
    margin-top: 1.5rem;
}

.login-input {
    width: 100%;
    padding: 1rem;
    background: var(--accent-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.login-input:focus {
    outline: none;
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.modal-btn {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.modal-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* 动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 0.8s ease forwards;
}

.fade-in-delay {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 0.8s ease 0.2s forwards;
}

.fade-in-delay-2 {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 0.8s ease 0.4s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    opacity: 0;
    transform: translateY(50px);
    animation: slideUp 0.8s ease forwards;
}

.slide-up-delay {
    opacity: 0;
    transform: translateY(50px);
    animation: slideUp 0.8s ease 0.2s forwards;
}

.slide-up-delay-2 {
    opacity: 0;
    transform: translateY(50px);
    animation: slideUp 0.8s ease 0.4s forwards;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .nav-menu {
        display: none;
    }

    .navbar {
        padding: 0.8rem 0;
    }

    /* 英雄区域 - 大幅缩短 */
    .hero {
        min-height: 50vh;
        padding: 80px 20px 40px;
    }

    .hero-title {
        font-size: 1.75rem;
        line-height: 1.4;
        margin-bottom: 1rem;
        word-break: keep-all;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }

    .cta-button {
        padding: 0.9rem 1.8rem;
        font-size: 0.95rem;
    }

    /* 所有区块 - 大幅缩短间距 */
    .services {
        padding: 40px 0;
    }

    .advantages {
        padding: 40px 0;
    }

    .payment-services {
        padding: 40px 0;
    }

    .contact {
        padding: 40px 0;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 0.8rem;
    }

    /* 服务卡片 */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
        margin-top: 1.5rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .service-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 1rem;
    }

    .service-icon i {
        font-size: 1.5rem;
    }

    .service-card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.6rem;
    }

    .service-card p {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }

    .service-card ul li {
        font-size: 0.8rem;
        margin-bottom: 0.3rem;
        padding-left: 1.2rem;
    }

    /* 优势区块 */
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 1.5rem;
    }

    .advantage-item {
        padding: 1.2rem;
    }

    .advantage-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 0.8rem;
    }

    .advantage-icon i {
        font-size: 1.8rem;
    }

    .advantage-item h3 {
        font-size: 1.2rem;
        margin-bottom: 0.6rem;
    }

    .advantage-item p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    /* 付款选项 */
    .payment-options {
        gap: 1.2rem;
        margin-top: 1.5rem;
    }

    .payment-option {
        padding: 1.5rem;
    }

    .payment-icon {
        margin-bottom: 1rem;
    }

    .payment-icon i {
        font-size: 2.2rem;
    }

    .payment-option h3 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }

    .payment-option p {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }

    .payment-price {
        font-size: 2rem;
        margin-bottom: 1.2rem;
    }

    .payment-btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

    /* 联系表单 */
    .contact-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-top: 1.5rem;
    }

    .contact-info h3 {
        font-size: 1.3rem;
        margin-bottom: 0.6rem;
    }

    .contact-info p {
        font-size: 0.9rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .form-group {
        margin-bottom: 1.2rem;
    }

    .form-group label {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }

    .form-group input,
    .form-group select {
        padding: 12px 16px;
        font-size: 0.9rem;
        min-height: 44px;
    }

    .submit-btn {
        padding: 14px 18px;
        font-size: 0.95rem;
        min-height: 48px;
    }

    /* 页脚 */
    .footer {
        padding: 30px 0 15px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
        margin-bottom: 1rem;
    }

    .footer-section h3 {
        font-size: 1.2rem;
        margin-bottom: 0.6rem;
    }

    .footer-section p {
        font-size: 0.85rem;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        min-height: 50vh;
        padding: 5rem 0 3rem;
    }

    .hero-title {
        font-size: 2rem;
        line-height: 1.5;
        margin-bottom: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
        line-height: 1.8;
        margin-bottom: 2rem;
    }
    
    .service-card,
    .contact-form {
        padding: 1.5rem;
        margin: 0 10px;
    }
    
    .modal-content {
        margin: 20% auto;
        padding: 1.5rem;
    }
}

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

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

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

/* 付款服务选择区域 */
.payment-services {
    background: var(--secondary-color);
    padding: 140px 0;
    position: relative;
}

.payment-services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.3), transparent);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.payment-option {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.9), rgba(45, 45, 45, 0.7));
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem 2rem;
    text-align: center;
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.payment-option::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.payment-option:hover::before {
    opacity: 1;
}

.payment-option:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-luxury), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-color: rgba(16, 185, 129, 0.4);
}

.payment-icon {
    margin-bottom: 1.2rem;
    position: relative;
    z-index: 1;
}

.payment-icon i {
    font-size: 2.8rem;
    color: var(--success-color);
    filter: drop-shadow(0 4px 20px rgba(16, 185, 129, 0.4));
    transition: all 0.3s ease;
}

.payment-option:hover .payment-icon i {
    transform: scale(1.08);
    filter: drop-shadow(0 8px 30px rgba(16, 185, 129, 0.6));
}

.payment-option h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.payment-option p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.payment-price {
    font-size: 2.5rem;
    color: var(--success-color);
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
}

.payment-btn {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.payment-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 ease;
    z-index: -1;
}

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

.payment-btn:hover {
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 12px 35px rgba(16, 185, 129, 0.5);
}

/* 支付弹窗 */
.payment-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.payment-modal-content {
    background: var(--card-background);
    margin: 10% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-hover);
    animation: slideIn 0.3s ease;
}

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

.payment-close {
    color: var(--text-secondary);
    float: right;
    font-size: 28px;
    font-weight: bold;
    padding: 20px 25px 0 0;
    cursor: pointer;
}

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

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

.payment-modal-body h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.payment-details {
    background: var(--secondary-color);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 2rem;
}

.payment-details p {
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-size: 1rem;
}

.payment-details p:last-child {
    margin-bottom: 0;
}

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

.confirm-payment-btn {
    background: var(--success-color);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.confirm-payment-btn:hover {
    background: #059669;
    transform: translateY(-2px);
}

/* 付款服务响应式设计 */
@media (max-width: 768px) {
    .payment-options {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .payment-option {
        padding: 1.5rem;
    }
    
    .payment-price {
        font-size: 2rem;
    }
    
    .payment-modal-content {
        width: 95%;
        margin: 20% auto;
    }
    
    .payment-modal-body {
        padding: 15px 20px 20px;
    }
}

/* 微信立即会话按钮 */
.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.wechat-chat-btn {
    display: inline-block;
    background: var(--success-color);
    color: white !important;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 15px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.wechat-chat-btn:hover {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
}

.wechat-chat-btn i {
    margin-right: 8px;
}

/* 咨询表单样式 */
.consultation-form {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
}

.contact-form {
    background: var(--card-background);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    width: 100%;
}

.form-group {
    margin-bottom: 1.8rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1.1rem;
}

.required {
    color: #ff4757;
    margin-left: 3px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--secondary-color);
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
    min-height: 54px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-group input::placeholder {
    color: var(--text-muted);
    font-size: 15px;
}

.form-group select option {
    background: var(--secondary-color);
    color: var(--text-primary);
    padding: 10px;
}

.submit-btn {
    width: 100%;
    padding: 18px 20px;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    min-height: 56px;
}

.submit-btn:hover:not(:disabled) {
    background: #059669;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
}

.submit-btn:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    transform: none;
}

/* 咨询表单消息样式 */
.consultation-message {
    padding: 12px 15px;
    border-radius: 8px;
    margin: 15px 0;
    font-size: 14px;
    font-weight: 500;
}

.consultation-message.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--success-color);
}

.consultation-message.error {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: #ff4757;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .consultation-form {
        max-width: 100%;
        padding: 0 15px;
    }

    .contact-form {
        padding: 2rem 1.5rem;
        margin: 0 10px;
    }

    .form-group {
        margin-bottom: 1.5rem;
    }

    .form-group label {
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }

    .form-group input,
    .form-group select {
        padding: 14px 16px;
        font-size: 16px; /* 防止 iOS Safari 缩放 */
        min-height: 50px;
    }

    .submit-btn {
        padding: 16px 20px;
        font-size: 16px;
        min-height: 52px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .consultation-form {
        max-width: 650px;
    }

    .contact-form {
        padding: 2.5rem 2rem;
    }
}

@media (min-width: 1025px) {
    .consultation-form {
        max-width: 700px;
    }

    .contact-form {
        padding: 3rem;
    }

    .form-group input,
    .form-group select {
        padding: 18px 24px;
        min-height: 58px;
    }

    .submit-btn {
        padding: 20px 24px;
        font-size: 18px;
        min-height: 60px;
    }
}