/* 玄域云推客系统官网 - 全局样式 */

/* ===== 基础重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2467ec;
    --primary-dark: #1a4fc0;
    --secondary: #22c55e;
    --accent: #f59e0b;
    --danger: #ef4444;
    --text-primary: #000000;
    --text-secondary: #333333;
    --text-muted: #666666;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.navbar-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

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

.logo img {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(36, 103, 236, 0.08);
}

.nav-cta {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(36, 103, 236, 0.3);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ===== Hero区域 ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0a0a0a 100%);
    position: relative;
    overflow: hidden;
    padding-top: 72px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(36, 103, 236, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: 20%;
    right: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(36, 103, 236, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite 2s;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 80px 24px;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 100px;
    color: white;
    font-size: 14px;
    margin-bottom: 32px;
    animation: fadeInUp 0.6s ease-out;
}

.hero-badge svg {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.hero-title {
    font-size: clamp(36px, 6vw, 64px);
    color: white;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero-title span {
    background: linear-gradient(135deg, #2467ec, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.btn-primary {
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(36, 103, 236, 0.4);
}

.btn-secondary {
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--radius);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.hero-ai-hint {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 48px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-ai-hint img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.hero-ai-hint span {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* ===== 通用板块样式 ===== */
.section {
    padding: 100px 24px;
}

.section-light {
    background: var(--bg-white);
}

.section-gray {
    background: var(--bg-light);
}

.section-dark {
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e);
    color: white;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(36, 103, 236, 0.1);
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 4vw, 40px);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 18px;
    color: var(--text-muted);
}

/* ===== 信任栏 ===== */
.trust-bar {
    padding: 48px 24px;
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
}

.trust-title {
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.trust-logos {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trust-logo {
    padding: 12px 24px;
    background: var(--bg-light);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
}

.trust-logo:hover {
    background: var(--border);
    color: var(--text-secondary);
}

/* ===== 痛点卡片 ===== */
.pain-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.pain-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}

.pain-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.pain-card-ai {
    position: absolute;
    top: 16px;
    right: 16px;
    opacity: 0;
    transition: var(--transition);
}

.pain-card:hover .pain-card-ai {
    opacity: 1;
}

.pain-card-ai span {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: rgba(36, 103, 236, 0.1);
    color: var(--primary);
    font-size: 12px;
    border-radius: 100px;
}

.pain-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.pain-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.pain-title {
    font-size: 20px;
    margin-bottom: 12px;
}

.pain-quote {
    font-style: italic;
    color: var(--text-muted);
    padding: 16px;
    background: var(--bg-light);
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}

.pain-solution {
    color: var(--primary);
    font-weight: 500;
    font-size: 14px;
    line-height: 1.6;
}

/* ===== 流程步骤 ===== */
.flow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    position: relative;
}

.flow-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    z-index: 0;
}

.flow-step {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    position: relative;
    z-index: 1;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.flow-step:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.flow-step-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flow-step-icon.blue {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.flow-step-icon.indigo {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
}

.flow-step-icon.violet {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.flow-step-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.flow-step-number {
    width: 32px;
    height: 32px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary);
    margin: 0 auto 12px;
}

.flow-step-title {
    font-size: 20px;
    margin-bottom: 12px;
}

.flow-step-desc {
    color: var(--text-muted);
    font-size: 14px;
}

/* ===== 故事卡片 ===== */
.stories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.story-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.story-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.story-image {
    position: relative;
    height: 240px;
    overflow: hidden;
}

.story-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.story-card:hover .story-image img {
    transform: scale(1.05);
}

.story-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
    color: var(--primary);
}

.story-income {
    position: absolute;
    bottom: 16px;
    right: 16px;
    padding: 12px 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius);
    color: white;
}

.story-income span {
    font-size: 12px;
    opacity: 0.8;
}

.story-income p {
    font-size: 20px;
    font-weight: 700;
}

.story-content {
    padding: 24px;
}

.story-name {
    font-size: 18px;
    margin-bottom: 12px;
}

.story-quote {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.story-ai {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--primary);
}

/* ===== CTA区域 ===== */
.cta-section {
    padding: 100px 24px;
    background: linear-gradient(135deg, #0a0a0a, #1a1a2e);
    text-align: center;
}

.cta-title {
    font-size: clamp(28px, 4vw, 40px);
    color: white;
    margin-bottom: 16px;
}

.cta-title span {
    background: linear-gradient(135deg, #2467ec, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cta-desc {
    color: rgba(255, 255, 255, 0.6);
    font-size: 18px;
    max-width: 500px;
    margin: 0 auto 40px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== 页脚 ===== */
.footer {
    background: #0a0a0a;
    color: white;
    padding: 80px 24px 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 48px;
    max-width: 1280px;
    margin: 0 auto 64px;
}

.footer-brand img {
    height: 48px;
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-contact-item svg {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.footer-title {
    font-size: 16px;
    color: white;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: var(--transition);
}

.footer-link:hover {
    color: white;
}

.footer-bottom {
    max-width: 1280px;
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
}

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

.footer-legal a {
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
}

.footer-legal a:hover {
    color: white;
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .mobile-toggle {
        display: flex;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 16px;
    }

    .hero-container {
        padding: 60px 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* ===== 滚动显示动画 ===== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}