/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0A0F1E;
    color: #E2E8F0;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.highlight {
    color: #4F46E5;
    background: linear-gradient(135deg, #4F46E5, #00D4AA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 15, 30, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    z-index: 1000;
    padding: 16px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    text-decoration: none;
}

.logo-icon {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    color: #94A3B8;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.95rem;
}

.nav-links a:hover {
    color: #fff;
}

.nav-cta {
    background: linear-gradient(135deg, #4F46E5, #7C3AED);
    padding: 10px 24px;
    border-radius: 50px;
    color: #fff !important;
    font-weight: 600 !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: #fff;
    transition: 0.3s;
}

/* Hero区 */
.hero {
    padding: 140px 0 80px;
    position: relative;
    background: radial-gradient(ellipse at 70% 50%, rgba(79, 70, 229, 0.15), transparent 60%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    position: relative;
}

.hero-badge {
    display: inline-block;
    background: rgba(79, 70, 229, 0.2);
    border: 1px solid rgba(79, 70, 229, 0.3);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: #4F46E5;
    margin-bottom: 24px;
    font-weight: 600;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #fff;
}

.hero-sub {
    font-size: 1.2rem;
    color: #94A3B8;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 1rem;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #4F46E5, #7C3AED);
    color: #fff;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 70, 229, 0.5);
}

.btn-secondary {
    background: transparent;
    color: #94A3B8;
    border: 1px solid rgba(255,255,255,0.1);
}

.btn-secondary:hover {
    border-color: #4F46E5;
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: #4F46E5;
    border: 2px solid #4F46E5;
}

.btn-outline:hover {
    background: #4F46E5;
    color: #fff;
}

.hero-stats {
    display: flex;
    gap: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.hero-stats div {
    font-size: 0.9rem;
    color: #94A3B8;
}

.hero-stats span {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    padding: 24px;
    width: 100%;
    max-width: 400px;
    backdrop-filter: blur(8px);
}

.card-header {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 16px;
    color: #fff;
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.account-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 14px;
    background: rgba(255,255,255,0.03);
    border-radius: 8px;
    font-size: 0.9rem;
}

.status {
    font-size: 0.75rem;
    padding: 2px 12px;
    border-radius: 50px;
}

.status.online {
    background: rgba(0, 212, 170, 0.2);
    color: #00D4AA;
}

.status.busy {
    background: rgba(251, 191, 36, 0.2);
    color: #FBBF24;
}

.status.offline {
    background: rgba(239, 68, 68, 0.2);
    color: #EF4444;
}

/* 数据看板 */
.stats-bar {
    padding: 60px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

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

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #4F46E5, #00D4AA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: #94A3B8;
    font-size: 0.95rem;
    margin-top: 4px;
}

/* 通用section样式 */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}

.section-header p {
    color: #94A3B8;
    font-size: 1.1rem;
}

/* 功能卡片 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 32px 24px;
    transition: all 0.4s;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(79, 70, 229, 0.3);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.feature-icon {
    font-size: 2.8rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 8px;
}

.feature-card p {
    color: #94A3B8;
    font-size: 0.95rem;
}

/* 使用场景 */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.scenario-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: 0.3s;
}

.scenario-card:hover {
    border-color: rgba(79, 70, 229, 0.2);
}

.scenario-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.scenario-card h3 {
    color: #fff;
    margin-bottom: 8px;
}

.scenario-card p {
    color: #94A3B8;
}

/* 客户案例 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.case-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
}

.case-logo {
    font-weight: 700;
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 12px;
}

.case-desc {
    color: #94A3B8;
    margin-bottom: 16px;
    font-style: italic;
}

.case-tag {
    display: inline-block;
    background: rgba(79, 70, 229, 0.15);
    color: #4F46E5;
    padding: 4px 16px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* 价格表 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: 0.3s;
    position: relative;
}

.pricing-card.popular {
    border-color: #4F46E5;
    background: rgba(79, 70, 229, 0.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #4F46E5, #7C3AED);
    color: #fff;
    padding: 4px 20px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: #94A3B8;
}

.pricing-features {
    list-style: none;
    margin-bottom: 24px;
    text-align: left;
}

.pricing-features li {
    padding: 6px 0;
    color: #94A3B8;
}

/* FAQ */
.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding: 16px 0;
    cursor: pointer;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    color: #fff;
    padding: 8px 0;
}

.faq-toggle {
    font-size: 1.2rem;
    transition: 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: #94A3B8;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 8px;
}

/* CTA区 */
.cta {
    text-align: center;
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(0, 212, 170, 0.05));
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.cta h2 {
    font-size: 2.8rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
}

.cta p {
    color: #94A3B8;
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.cta-form {
    display: flex;
    gap: 12px;
    justify-content: center;
    max-width: 500px;
    margin: 0 auto 16px;
}

.cta-form input {
    flex: 1;
    padding: 14px 20px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.03);
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: 0.3s;
}

.cta-form input:focus {
    border-color: #4F46E5;
}

.cta-form input::placeholder {
    color: #64748B;
}

.cta-note {
    color: #64748B;
    font-size: 0.85rem;
}

/* Footer */
.footer {
    background: rgba(0,0,0,0.3);
    padding: 60px 0 20px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: #fff;
    margin-bottom: 16px;
    font-size: 1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul a {
    color: #94A3B8;
    text-decoration: none;
    transition: 0.3s;
}

.footer-col ul a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 20px;
    text-align: center;
    color: #64748B;
    font-size: 0.85rem;
}

/* 响应式 */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    .features-grid, .scenarios-grid, .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(10, 15, 30, 0.98);
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .nav-links.active {
        display: flex;
    }
    .hamburger {
        display: flex;
    }
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-sub {
        margin: 0 auto 32px;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .features-grid, .scenarios-grid, .cases-grid, .pricing-grid {
        grid-template-columns: 1fr;
    }
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
    .cta-form {
        flex-direction: column;
    }
    .section-header h2 {
        font-size: 2rem;
    }
    .hero h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding-top: 120px;
    }
    .hero-stats {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }
    .footer-container {
        grid-template-columns: 1fr;
    }
}