/* 首页样式 */
:root {
    --hero-height: 100vh;
    --section-spacing: 120px;
    /* 添加苹果风格的动画曲线 */
    --ease-1: cubic-bezier(0.28, 0.11, 0.32, 1);
    --ease-2: cubic-bezier(0.4, 0, 0.2, 1);
    /* 添加苹果风格的间距 */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-5: 48px;
    --space-6: 64px;
    --space-7: 80px;
    --space-8: 96px;
}

/* 背景图片和渐变 */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(to bottom, var(--overlay-hero-top), var(--overlay-hero-bottom)),
        url('/static/landing_builder/images/backgrounds/hero-bg.jpg') center/cover no-repeat;
    z-index: -1;
}

.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/static/landing_builder/images/backgrounds/bg-pattern.webp');
    opacity: 0.08;
    z-index: -1;
}

/* Hero 部分 */
.hero {
    min-height: var(--hero-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-8) var(--space-4);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, var(--pink-tint-08), transparent 60%);
    z-index: -1;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(40px, 5vw, 64px);
    line-height: 1.1;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-light) 30%, var(--pink-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-4);
    letter-spacing: -0.022em;
}

.hero-subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    line-height: 1.4;
    color: var(--text-gray);
    margin-bottom: var(--space-5);
    letter-spacing: -0.021em;
}

.hero-stats {
    display: flex;
    gap: var(--space-5);
    margin-bottom: var(--space-6);
}

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

.stat-number {
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 700;
    color: var(--pink-primary);
    margin-bottom: var(--space-2);
    letter-spacing: -0.022em;
}

.stat-label {
    color: var(--text-gray);
    font-size: 14px;
    letter-spacing: -0.016em;
}

.hero-cta {
    display: flex;
    gap: var(--space-3);
}

.hero-image {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    transform: perspective(1000px) rotateY(-10deg);
    transition: transform 0.8s var(--ease-1);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.hero-image:hover img {
    transform: perspective(1000px) rotateY(0deg);
}

/* 特性部分 */
.features {
    padding: var(--space-7) var(--space-4);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at bottom left, var(--pink-tint-05), transparent 70%);
    z-index: -1;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-6);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--space-3);
}

.section-title h2 {
    font-size: clamp(32px, 4vw, 40px);
    line-height: 1.1;
    font-weight: 600;
    background: linear-gradient(135deg, var(--text-light) 30%, var(--pink-primary) 70%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-2);
    letter-spacing: -0.022em;
}

.section-title p {
    font-size: clamp(15px, 2vw, 17px);
    color: var(--text-gray);
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.47059;
    letter-spacing: -0.016em;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-3);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-3);
}

.feature-item {
    background: var(--surface-overlay);
    backdrop-filter: blur(var(--backdrop-blur));
    -webkit-backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--space-4);
    transition: transform 200ms var(--ease-2), box-shadow 200ms var(--ease-2), background-color 200ms var(--ease-2);
}

.feature-item:hover {
    transform: translateY(-2px);
    background: var(--surface-overlay-strong);
    box-shadow: var(--shadow-lg);
}