@charset "utf-8";
/*
    Theme Name: tavoai AI官网
    Theme URI: 
    Author: 阿叶
    Author URI: 
    Description:
    Version: 0.0.1
*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #7e4df1;
    --secondary: #e58029;
    --gradient: linear-gradient(135deg, #7e4df1 0%, #e58029 100%);
    --bg-dark: #0a0a0a;
    --bg-card: #141414;
    --bg-card-hover: #1a1a1a;
    --border: #2a2a2a;
    --text: #ffffff;
    --text-muted: #888888;
}

body {
    font-family: 'Inter', 'Noto Sans SC', sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* 导航栏 */
.tavo-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.tavo-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tavo-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 18px;
    color: var(--text);
}
.tavo-logo img {
    height: 32px;
}


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

.tavo-nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.tavo-nav-btn {
    background: var(--gradient);
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: opacity 0.2s;
}

.tavo-nav-btn:hover {
    opacity: 0.9;
}

/* Hero */
.tavo-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    position: relative;
    overflow: hidden;
}

/* 背景网格 */
.tavo-hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(126, 77, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(126, 77, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    pointer-events: none;
}

/* 浮动光球 */
.tavo-hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    animation: float 8s ease-in-out infinite;
}

.tavo-hero-orb-1 {
    width: 400px;
    height: 400px;
    background: rgba(126, 77, 241, 0.2);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.tavo-hero-orb-2 {
    width: 300px;
    height: 300px;
    background: rgba(229, 128, 41, 0.15);
    bottom: 20%;
    right: 15%;
    animation-delay: -3s;
}

.tavo-hero-orb-3 {
    width: 200px;
    height: 200px;
    background: rgba(126, 77, 241, 0.1);
    top: 50%;
    right: 25%;
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -30px) scale(1.05); }
    66% { transform: translate(-15px, 20px) scale(0.95); }
}

.tavo-hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.tavo-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(126, 77, 241, 0.1);
    border: 1px solid rgba(126, 77, 241, 0.3);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 13px;
    color: var(--primary);
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease forwards;
}

.tavo-hero-badge i {
    font-size: 16px;
}

.tavo-hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.6s ease 0.1s forwards;
    opacity: 0;
}

.tavo-hero h1 .tavo-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tavo-hero-desc {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.7;
    animation: fadeInUp 0.6s ease 0.2s forwards;
    opacity: 0;
}

/* 特性标签 */
.tavo-hero-tags {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.3s forwards;
    opacity: 0;
}

.tavo-hero-tag {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    color: var(--text-muted);
    transition: all 0.3s;
}

.tavo-hero-tag:hover {
    border-color: var(--primary);
    color: var(--text);
    background: rgba(126, 77, 241, 0.05);
}

.tavo-hero-tag i {
    font-size: 16px;
    color: var(--primary);
}

.tavo-hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease 0.4s forwards;
    opacity: 0;
}

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

.tavo-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
}

.tavo-btn-primary {
    background: var(--gradient);
    color: white;
}

.tavo-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(126, 77, 241, 0.3);
}

.tavo-btn-secondary {
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
}

.tavo-btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
}

.tavo-btn i {
    font-size: 18px;
}

/* 产品展示 */
.tavo-showcase {
    padding: 80px 24px;
    background: var(--bg-card);
}

.tavo-showcase-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.tavo-showcase-header {
    text-align: center;
    margin-bottom: 40px;
}

.tavo-showcase-title {
    font-size: 32px;
    font-weight: 700;
}

.tavo-showcase-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.tavo-showcase-item {
    max-height: 480px;
    border-radius: 16px;
    overflow: hidden;
    background: var(--bg-dark);
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.tavo-showcase-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.tavo-showcase-item img {
    width: 100%;
    display: block;
}

/* 功能区 */
.tavo-features {
    padding: 100px 24px;
}

.tavo-features-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.tavo-section-header {
    text-align: center;
    margin-bottom: 60px;
}

.tavo-section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
}

.tavo-section-title {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
}

.tavo-section-desc {
    font-size: 16px;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
}

.tavo-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.tavo-feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    transition: all 0.3s;
}

.tavo-feature-card:hover {
    border-color: var(--primary);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}

.tavo-feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.tavo-feature-icon i {
    font-size: 22px;
    color: white;
}

.tavo-feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.tavo-feature-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* 常见问题 */
.tavo-faq {
    padding: 80px 24px;
    background: var(--bg-card);
}

.tavo-faq-inner {
    max-width: 800px;
    margin: 0 auto;
}

.tavo-faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tavo-faq-item {
    background: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
}

.tavo-faq-item:hover {
    border-color: rgba(126, 77, 241, 0.3);
}

.tavo-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    cursor: pointer;
    transition: background 0.2s;
}

.tavo-faq-question:hover {
    background: rgba(126, 77, 241, 0.03);
}

.tavo-faq-question h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}

.tavo-faq-icon {
    width: 28px;
    height: 28px;
    background: rgba(126, 77, 241, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    flex-shrink: 0;
}

.tavo-faq-icon i {
    font-size: 18px;
    color: var(--primary);
    transition: transform 0.3s;
}

.tavo-faq-item.active .tavo-faq-icon {
    background: var(--gradient);
}

.tavo-faq-item.active .tavo-faq-icon i {
    color: white;
    transform: rotate(45deg);
}

.tavo-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.tavo-faq-item.active .tavo-faq-answer {
    max-height: 200px;
}

.tavo-faq-answer p {
    padding: 0 20px 18px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* 用户评价 */
.tavo-testimonials {
    padding: 80px 24px;
}

.tavo-testimonial-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.tavo-testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s;
}

.tavo-testimonial-card:hover {
    border-color: rgba(126, 77, 241, 0.3);
    transform: translateY(-4px);
}

.tavo-testimonial-text {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}

.tavo-testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tavo-author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.tavo-author-info {
    flex: 1;
}

.tavo-author-name {
    font-size: 14px;
    font-weight: 600;
}

.tavo-author-date {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Footer */
.tavo-footer {
    padding: 40px 24px;
    border-top: 1px solid var(--border);
}

.tavo-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tavo-footer p {
    font-size: 14px;
    color: var(--text-muted);
}

.tavo-footer-links {
    display: flex;
    gap: 24px;
}

.tavo-footer-links a {
    font-size: 14px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

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

/* 响应式 */
@media (max-width: 1024px) {
    .tavo-hero h1 {
        font-size: 44px;
    }

    .tavo-feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tavo-testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .tavo-nav-links {
        display: none;
    }

    .tavo-hero h1 {
        font-size: 36px;
    }

    .tavo-hero-desc {
        font-size: 16px;
    }

    .tavo-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tavo-section-title {
        font-size: 28px;
    }

    .tavo-feature-grid {
        grid-template-columns: 1fr;
    }

    .tavo-testimonial-grid {
        grid-template-columns: 1fr;
    }

    .tavo-footer-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    .tavo-hero-tags {
        display: none;
    }
    .tavo-hero-buttons a {
        display: block;
        width: 100%;
    }
}