@charset "utf-8";
/*
    Theme Name: sayloAI官网
    Theme URI: 
    Author: 阿叶
    Author URI: 
    Description:
    Version: 0.0.1
*/


:root {
    --primary: #0a0a0a;
    --secondary: #171717;
    --accent: #8b5cf6;
    --accent-light: #a78bfa;
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --border: #27272a;
    --card-bg: #18181b;
    --gradient-1: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
    --gradient-2: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--primary);
    color: var(--text-primary);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

/* 背景装饰 */
.bg-glow {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(6, 182, 212, 0.06) 0%, transparent 40%),
                radial-gradient(circle at 40% 80%, rgba(236, 72, 153, 0.05) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}

.wrapper {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 导航栏 */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    height: 40px;
    object-fit: contain;
}

.nav-cta {
    padding: 10px 24px;
    background: var(--gradient-1);
    color: white;
    text-decoration: none;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.4);
}

/* Hero区域 */
.hero {
    padding: 180px 0 120px;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--accent-light);
    margin-bottom: 32px;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

h1 .gradient {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.8;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 36px;
    background: var(--gradient-1);
    color: white;
    text-decoration: none;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 40px rgba(139, 92, 246, 0.35);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 50px rgba(139, 92, 246, 0.45);
}

.hero-cta svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.hero-cta:hover svg {
    transform: translateX(4px);
}

/* 内容区域 */
main {
    padding-bottom: 100px;
}

section {
    margin-bottom: 100px;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 12px;
}

/* 介绍卡片 */
.intro-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 48px;
    margin-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.intro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-1);
    opacity: 0.5;
}

.intro-card p {
    font-size: 1.15rem;
    line-height: 1.9;
    color: var(--text-secondary);
}

.intro-card strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* 功能网格 */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 40px 0;
}

.feature-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-item:hover {
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.feature-item h4 {
    margin-bottom: 12px;
}

.feature-item p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.7;
}

/* 双栏布局 */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.content-block {
    padding: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
}

.content-block h3 {
    margin-bottom: 16px;
}

.content-block p {
    margin-bottom: 0;
    font-size: 1rem;
}

/* 用户类型 */
.user-types {
    display: grid;
    gap: 24px;
    margin-top: 40px;
}

.user-type {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 24px;
    padding: 32px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.user-type:hover {
    border-color: rgba(139, 92, 246, 0.2);
}

.user-type-icon {
    width: 56px;
    height: 56px;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.user-type-content h4 {
    margin-bottom: 8px;
}

.user-type-content p {
    margin: 0;
    font-size: 0.95rem;
}

/* CTA区域 */
.cta-section {
    text-align: center;
    padding: 80px 60px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 32px;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
}

.cta-section h2 {
    position: relative;
    font-size: 2.2rem;
    margin-bottom: 16px;
}

.cta-section p {
    position: relative;
    max-width: 500px;
    margin: 0 auto 36px;
    color: var(--text-muted);
}

.cta-section .hero-cta {
    position: relative;
}

/* 页脚 */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}

.footer-logo img {
    height: 32px;
}

.footer-logo span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

footer p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

footer a {
    color: var(--accent-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--accent);
}

/* 响应式 */
@media (max-width: 900px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .two-col {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 640px) {
    .wrapper {
        padding: 0 20px;
    }

    nav {
        padding: 16px 0;
    }

    .nav-cta {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .hero {
        padding: 140px 0 80px;
    }

    .hero-desc {
        font-size: 1.05rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    .intro-card {
        padding: 32px 24px;
    }

    .intro-card p {
        font-size: 1rem;
    }

    .feature-item {
        padding: 24px;
    }

    .content-block {
        padding: 28px;
    }

    .user-type {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 24px;
    }

    .cta-section {
        padding: 48px 24px;
    }

    section {
        margin-bottom: 60px;
    }
}

.mt-30 {
    margin-top: 30px;
}

/* 访问提示框 */
.access-notice {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 16px;
    padding: 20px 28px;
    margin-top: 40px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.access-notice-icon {
    width: 44px;
    height: 44px;
    background: rgba(139, 92, 246, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.access-notice-content {
    flex: 1;
}

.access-notice-content p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.access-notice-content a {
    color: var(--accent-light);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.access-notice-content a:hover {
    color: var(--accent);
    text-decoration: underline;
}

/* Hero按钮组 */
.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 36px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
}

.hero-cta-secondary:hover {
    border-color: rgba(139, 92, 246, 0.5);
    background: rgba(139, 92, 246, 0.1);
    transform: translateY(-3px);
}

.hero-cta-secondary svg {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.hero-cta-secondary:hover svg {
    transform: translateX(4px);
}

@media (max-width: 640px) {
    .access-notice {
        flex-direction: column;
        text-align: center;
        padding: 24px 20px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-cta, .hero-cta-secondary {
        width: 100%;
        justify-content: center;
    }
}