/* === 全局样式 === */
:root {
    --primary: #667eea;
    --primary-light: #764ba2;
    --primary-rgb: 102, 126, 234;
    --bg: #f8f9ff;
    --bg-panel: rgba(255, 255, 255, 0.85);
    --text-primary: #2d3748;
    --text-secondary: #5a6678;
    --text-muted: #718096;
    --border: rgba(102, 126, 234, 0.15);
    --border-light: rgba(102, 126, 234, 0.08);
    --shadow-sm: 0 2px 8px rgba(102, 126, 234, 0.08);
    --shadow-md: 0 4px 16px rgba(102, 126, 234, 0.12);
    --shadow-lg: 0 8px 32px rgba(102, 126, 234, 0.16);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

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

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

/* === 背景底纹效果 === */
.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.bg-grid {
    background-image: 
        linear-gradient(rgba(102, 126, 234, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(102, 126, 234, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

.gradient-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background: 
        radial-gradient(circle at 15% 15%, rgba(var(--primary-rgb), 0.38) 0%, transparent 50%),
        radial-gradient(circle at 85% 85%, rgba(var(--primary-rgb), 0.35) 0%, transparent 50%),
        radial-gradient(circle at 10% 85%, rgba(var(--primary-rgb), 0.28) 0%, transparent 50%),
        radial-gradient(circle at 90% 10%, rgba(var(--primary-rgb), 0.22) 0%, transparent 50%),
        linear-gradient(135deg, rgba(var(--primary-rgb), 0.15) 0%, transparent 50%, transparent 100%);
    opacity: 0.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
    z-index: 1;
    width: 100%;
    box-sizing: border-box;
}

.with-sidebar {
    padding: 100px 40px;
    box-sizing: border-box;
}

.with-sidebar .container {
    max-width: none;
    padding: 0 30px;
    margin-left: 320px;
    width: calc(100% - 400px);
}

/* === 导航栏 === */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 16px;
    border-radius: var(--radius-lg);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    background: rgba(102, 126, 234, 0.1);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    transition: width 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.nav-cta {
    margin-left: auto;
}

.btn-nav {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-cta-btn {
    padding: 10px 24px !important;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%) !important;
    color: white !important;
    border-radius: var(--radius-full) !important;
    font-weight: 600;
    transition: all 0.3s ease;
}

/* === 导航栏登录/用户区域 === */
.nav-auth-section {
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-auth-section a,
.nav-auth-section button {
    padding: 7px 16px;
    border: none;
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s ease;
    white-space: nowrap;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.nav-login-btn {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}
.nav-login-btn:hover { background: rgba(102, 126, 234, 0.2); transform: translateY(-1px); }
.nav-user-name {
    color: #1e293b;
    font-weight: 600;
    font-size: 0.9rem;
    margin-right: 6px;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: inline-block;
    vertical-align: middle;
}
.nav-logout-btn {
    background: transparent;
    color: #94a3b8;
    padding: 6px 12px;
    font-size: 0.8rem;
    border: none;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    border-radius: 10px;
}
.nav-logout-btn:hover { color: #ef4444; background: rgba(239,68,68,0.08); }
@media (max-width: 768px) {
    .nav-auth-section {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        padding-top: 8px;
        border-top: 1px solid rgba(102,126,234,0.1);
    }
}

.nav-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

/* === 页面头部 === */
.page-header {
    padding: 100px 0 80px;
    text-align: center;
    position: relative;
}

.page-header h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.page-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* === Hero 区域 === */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9ff 0%, #f0f4ff 50%, #f8f9ff 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: -25%;
    width: 150%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(102, 126, 234, 0.1) 0%, transparent 60%);
    animation: gradientShift 15s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    transform: translateY(-50%);
    animation: floatOrb 20s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(10%);
    }
}

@keyframes floatOrb {
    0%, 100% {
        transform: translateY(-50%) translateX(0);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-50%) translateX(-20px);
        opacity: 1;
    }
}

/* 粒子效果背景 */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    animation: particleFloat 10s infinite ease-in;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 1s; }
.particle:nth-child(3) { left: 30%; animation-delay: 2s; }
.particle:nth-child(4) { left: 40%; animation-delay: 3s; }
.particle:nth-child(5) { left: 50%; animation-delay: 4s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; }
.particle:nth-child(7) { left: 70%; animation-delay: 6s; }
.particle:nth-child(8) { left: 80%; animation-delay: 7s; }
.particle:nth-child(9) { left: 90%; animation-delay: 8s; }

@keyframes particleFloat {
    0% {
        bottom: -10px;
        opacity: 0;
        transform: translateX(0) scale(1);
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        bottom: 110%;
        opacity: 0;
        transform: translateX(-50px) scale(0.5);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero .hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-visual {
    position: absolute;
    top: 50%;
    right: 1%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: flex-end;
}

.floating-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(102, 126, 234, 0.15);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.15);
    animation: float 6s ease-in-out infinite;
    min-width: 180px;
    transition: all 0.3s ease;
}

.floating-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.25);
}

.card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.3rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.card-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.card-value {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.floating-card.card-1 {
    animation-delay: 0s;
}

.floating-card.card-2 {
    animation-delay: 2s;
}

.floating-card.card-3 {
    animation-delay: 4s;
}

/* 左侧悬浮卡片容器 */
.card-left-wrap {
    position: absolute;
    top: 55%;
    left: 3%;
    transform: translateY(-50%);
    z-index: 1;
    width: fit-content;
}

@media (max-width: 768px) {
    .card-left-wrap {
        display: none;
    }
}

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

/* 连接线条 */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.connection-lines .line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), transparent);
    animation: linePulse 3s ease-in-out infinite;
}

.line-1 {
    top: 30%;
    left: 0;
    width: 80px;
    animation-delay: 0s;
}

.line-2 {
    top: 50%;
    left: 0;
    width: 100px;
    animation-delay: 1s;
}

.line-3 {
    top: 70%;
    left: 0;
    width: 60px;
    animation-delay: 2s;
}

@keyframes linePulse {
    0%, 100% {
        opacity: 0.3;
        transform: scaleX(0.8);
    }
    50% {
        opacity: 0.8;
        transform: scaleX(1);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    position: relative;
}

.hero-title .primary-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-title .primary-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    animation: underlineGrow 2s ease-out forwards;
    animation-delay: 0.5s;
}

@keyframes underlineGrow {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* === 信任品牌 === */
.trusted-section {
    padding: 40px 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    background: rgba(255, 255, 255, 0.5);
}

.trusted-label {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.trusted-logos {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.logo-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

.logo-item i {
    font-size: 1.5rem;
    color: var(--primary);
}

/* === 问题痛点 === */
.problem-section {
    padding: 100px 0;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    width: 100%;
}

.problem-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    text-align: center;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.problem-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1) 0%, rgba(255, 107, 107, 0.2) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.problem-icon i {
    font-size: 1.5rem;
    color: #ff6b6b;
}

.problem-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.problem-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* === 解决方案 === */
.solution-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg) 0%, rgba(102, 126, 234, 0.03) 100%);
    position: relative;
    overflow: hidden;
}

.solution-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.solution-section::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.solution-text .section-tag {
    margin-bottom: 1rem;
}

.solution-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.solution-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon-small {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon-small i {
    font-size: 0.9rem;
    color: white;
}

.feature-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

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

.solution-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.visual-header {
    display: flex;
    gap: 8px;
    margin-bottom: 1.5rem;
}

.visual-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.visual-dot.red { background: #ff5f57; }
.visual-dot.yellow { background: #febc2e; }
.visual-dot.green { background: #28c840; }

.visual-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.data-item {
    display: grid;
    grid-template-columns: 1fr 120px 50px;
    align-items: center;
    gap: 1rem;
}

.data-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.data-bar {
    height: 8px;
    background: var(--bg);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.data-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
}

.data-fill.warning {
    background: linear-gradient(90deg, #febc2e 0%, #ff9500 100%);
}

.data-fill.success {
    background: linear-gradient(90deg, #28c840 0%, #00c853 100%);
}

.data-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
}

/* === 核心功能展示 === */
.features-section {
    padding: 100px 0;
}

.features-showcase {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.feature-showcase-item {
    text-align: center;
    flex: 1;
    min-width: 200px;
    max-width: 250px;
}

.feature-showcase-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-showcase-icon i {
    font-size: 2rem;
    color: white;
}

.feature-showcase-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.feature-showcase-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.feature-arrow {
    color: var(--primary);
    font-size: 1.5rem;
    opacity: 0.5;
}

/* === 数据统计 === */
.stats-section {
    padding: 80px 0;
    background: var(--bg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    width: 100%;
}

.stat-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: rgba(102, 126, 234, 0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* === 客户案例 === */
.testimonials-section {
    padding: 100px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    width: 100%;
}

.testimonial-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.testimonial-card .quote-icon {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.quote-text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.author-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* === CTA 区域 === */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.05) 0%, var(--bg) 100%);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* === 通用部分样式 === */
section {
    padding: 80px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

/* === 功能卡片 === */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    width: 100%;
}

.feature-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    width: 100%;
    box-sizing: border-box;
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.8rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* === 价值观卡片 === */
.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    width: 100%;
}

.value-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    text-align: center;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.value-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.value-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* === 团队卡片 === */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    width: 100%;
}

.team-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all 0.3s ease;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.team-card img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 3px solid var(--primary);
}

.team-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

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

/* === 能力卡片 === */
.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    width: 100%;
}

.capability-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.capability-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.capability-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.capability-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.capability-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* === 评价卡片 === */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
}

.testimonial-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.testimonial-card .quote {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-card .author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-card .author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-card .author-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.testimonial-card .author-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* === 博客卡片 === */
.blog-section {
    padding: 100px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    width: 100%;
}

.blog-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: all 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.blog-image {
    height: 200px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.blog-content {
    padding: 1.5rem;
}

.blog-tag {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.blog-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.blog-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.blog-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* === 联系表单 === */
.contact-section {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    width: 100%;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.2rem;
    color: white;
}

.contact-text h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-form-wrapper {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    border: 1px solid var(--border-light);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-btn {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

/* === 工具演示 === */
.demo-section {
    padding: 100px 0;
}

.demo-content {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.demo-left h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.2rem;
}

.demo-left p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.search-box {
    display: flex;
    gap: 12px;
    margin-bottom: 1.5rem;
}

.search-box input {
    flex: 1;
    padding: 14px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: var(--bg);
    color: var(--text-primary);
    transition: all 0.25s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.search-tags {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.tag {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.tag-link {
    padding: 6px 14px;
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.25s ease;
}

.tag-link:hover {
    background: rgba(var(--primary-rgb), 0.15);
}

.demo-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg);
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.status-badge {
    padding: 4px 12px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
}

.card-content {
    padding: 2rem;
}

.progress-bar {
    height: 6px;
    background: var(--border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 2rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
    animation: progress 2s ease-in-out infinite;
    width: 40%;
}

@keyframes progress {
    0%, 100% { width: 20%; }
    50% { width: 80%; }
}

.analysis-steps {
    display: flex;
    justify-content: space-between;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.step.active {
    opacity: 1;
}

.step i {
    font-size: 1.5rem;
    color: var(--primary);
}

.step span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* === 用户痛点 === */
.pain-points-section {
    padding: 100px 0;
}

.pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    width: 100%;
}

.pain-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    width: 100%;
    box-sizing: border-box;
}

.pain-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: #ff6b6b;
}

.pain-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.pain-icon i {
    font-size: 1.8rem;
    color: white;
}

.pain-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

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

.pain-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pain-list li {
    padding: 10px 12px;
    margin-bottom: 8px;
    background: rgba(239, 68, 68, 0.05);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pain-list li i {
    color: #ff6b6b;
    font-size: 0.9rem;
}

/* === 智能创业方向推荐 === */
.business-recommend-section {
    padding: 100px 0;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    width: 100%;
}

.business-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    overflow: hidden;
    transition: all 0.3s ease;
    width: 100%;
    box-sizing: border-box;
}

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

.business-header {
    padding: 1.75rem 2rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border-bottom: 1px solid var(--border-light);
    position: relative;
}

.business-badge {
    position: absolute;
    top: 12px;
    right: 16px;
    padding: 5px 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
}

.business-badge.emerging {
    background: linear-gradient(135deg, #51cf66 0%, #40c057 100%);
}

.business-badge.potential {
    background: linear-gradient(135deg, #fcc419 0%, #f08c00 100%);
}

.business-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    padding-right: 100px;
}

.business-content {
    padding: 2rem;
}

.business-info {
    margin-bottom: 1.75rem;
}

.info-row {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    gap: 10px;
}

.info-label {
    font-size: 0.88rem;
    color: var(--text-muted);
    min-width: 100px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.info-label i {
    color: var(--primary);
}

.info-value {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

.cost-low {
    color: #51cf66;
}

.cost-medium {
    color: #fcc419;
}

.heat-bar-container {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.heat-bar {
    flex: 1;
    height: 8px;
    background: var(--border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.heat-bar > div {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.heat-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    min-width: 35px;
}

.business-desc {
    background: rgba(102, 126, 234, 0.05);
    padding: 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
}

.business-desc h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.business-desc h4 i {
    color: #667eea;
}

.business-desc p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.business-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.feature-tag {
    padding: 6px 14px;
    background: rgba(81, 207, 102, 0.1);
    color: #51cf66;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.feature-tag i {
    font-size: 0.75rem;
}

/* === 趋势分析 === */
.trend-analysis-section {
    padding: 100px 0;
}

.trend-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    width: 100%;
}

.trend-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    width: 100%;
    box-sizing: border-box;
}

.trend-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.trend-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.trend-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.trend-icon i {
    font-size: 1.4rem;
    color: white;
}

.trend-header h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.trend-body {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.trend-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.25rem;
    background: rgba(102, 126, 234, 0.05);
    border-radius: var(--radius-md);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-value.positive {
    color: #51cf66;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.trend-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 120px;
    padding: 0 10px;
    gap: 8px;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(180deg, var(--primary) 0%, rgba(102, 126, 234, 0.3) 100%);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    min-width: 30px;
    transition: height 0.5s ease;
}

.trend-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    text-align: center;
    margin: 0;
}

.competition-bars {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.comp-bar-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.comp-label {
    width: 70px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.comp-bar {
    flex: 1;
    height: 10px;
    background: var(--border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.comp-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.comp-value {
    width: 35px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    text-align: right;
}

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

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

.demand-icon {
    width: 35px;
    height: 35px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.demand-icon i {
    color: var(--primary);
    font-size: 1rem;
}

.demand-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.demand-text {
    font-size: 0.88rem;
    color: var(--text-primary);
    white-space: nowrap;
}

.demand-bar {
    flex: 1;
    height: 6px;
    background: var(--border-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.demand-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.demand-percent {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    min-width: 35px;
    text-align: right;
}

.opportunity-timeline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
}

.timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.timeline-dot {
    width: 14px;
    height: 14px;
    background: var(--border);
    border-radius: 50%;
    border: 2px solid var(--primary);
}

.timeline-dot.current {
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2);
}

.timeline-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.timeline-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
}

.timeline-text {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.timeline-line {
    flex: 1;
    height: 2px;
    background: var(--border);
    margin: 0 10px;
    position: relative;
    top: -8px;
}

/* === 定价方案 === */
.pricing {
    padding: 100px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
}

.pricing-card {
    background: var(--bg-panel);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    width: 100%;
    box-sizing: border-box;
}

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

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.2);
}

.pricing-card.featured::before {
    content: '热门推荐';
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.pricing-price {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.pricing-features li {
    padding: 12px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li i {
    color: #51cf66;
    font-size: 1.1rem;
}

.pricing-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pricing-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
}

.pricing-btn.outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.pricing-btn.outline:hover {
    background: rgba(var(--primary-rgb), 0.08);
}

/* === 页脚 === */
.footer {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-light);
    padding: 60px 0 30px;
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .nav-brand {
    margin-bottom: 1rem;
    display: block;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.footer-links h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.2rem;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

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

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* === 响应式设计 === */
@media (max-width: 1200px) {
    .with-sidebar {
        padding: 100px 20px;
    }

    .with-sidebar .container {
        margin-left: 0;
        width: 100%;
    }

    .features-grid,
    .pain-grid,
    .business-grid,
    .trend-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 968px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .features-grid,
    .pain-grid,
    .business-grid,
    .trend-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        border-bottom: 1px solid var(--border-light);
        box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 12px 16px;
        border-radius: 10px;
    }

    .mobile-menu-btn {
        display: block;
    }

    .page-header h1 {
        font-size: 2.5rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .demo-content {
        grid-template-columns: 1fr;
    }

    .features-grid,
    .pain-grid,
    .business-grid,
    .trend-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

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

    .hero {
        padding: 100px 0 60px;
    }

    .hero-visual {
        display: none;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .problem-grid,
    .stats-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .solution-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .features-showcase {
        flex-direction: column;
    }

    .feature-arrow {
        transform: rotate(90deg);
        margin: 1rem 0;
    }

    .feature-showcase-item {
        max-width: 100%;
    }

    .stats-section {
        padding: 60px 0;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .cta-buttons .btn {
        width: 100%;
        justify-content: center;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-badge {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    .problem-card {
        padding: 1.5rem;
    }

    .solution-text h2 {
        font-size: 1.8rem;
    }

    .visual-card {
        padding: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .testimonial-card {
        padding: 1.5rem;
    }

    .cta-section h2 {
        font-size: 1.6rem;
    }
}