/* 全局样式 - 极致美感版 */
:root {
    /* 核心品牌色 - 极致丰富版 */
    --primary-color: #FF2442;
    --primary-hover: #E01E3A;
    --primary-soft: rgba(255, 36, 66, 0.08);
    
    /* 丰富色板 - 用于卡片和强调 */
    --rich-rose: #FF2442;
    --rich-lilac: #9F44D3;
    --rich-mint: #00B96B;
    --rich-sky: #007AFF;
    --rich-gold: #FF9500;
    --rich-indigo: #5856D6;
    
    /* 柔和背景色板 */
    --soft-rose-bg: linear-gradient(135deg, #FFF0F5 0%, #FFF5F7 100%);
    --soft-lilac-bg: linear-gradient(135deg, #F8F0FF 0%, #F3EEFF 100%);
    --soft-mint-bg: linear-gradient(135deg, #F0FFF9 0%, #E6FFFA 100%);
    --soft-sky-bg: linear-gradient(135deg, #F0F8FF 0%, #E6F7FF 100%);
    --soft-gold-bg: linear-gradient(135deg, #FFF9F0 0%, #FFF5E6 100%);
    --soft-indigo-bg: linear-gradient(135deg, #F2F2FF 0%, #ECECFF 100%);

    /* 边框色板 */
    --border-rose: rgba(255, 36, 66, 0.15);
    --border-lilac: rgba(159, 68, 211, 0.15);
    --border-mint: rgba(0, 185, 107, 0.15);
    --border-sky: rgba(0, 122, 255, 0.15);
    --border-gold: rgba(255, 149, 0, 0.15);
    --border-indigo: rgba(88, 86, 214, 0.15);
    
    /* 辅助色 */
    --secondary-color: #FF6B9D;
    --accent-color: #6B4EFF;
    
    /* 文字颜色 - 极致灰度 */
    --text-main: #1D1D1F;
    --text-secondary: #86868B;
    --text-tertiary: #9595A3;
    --text-white: #FFFFFF;
    
    /* 背景色 */
    --bg-body: #FBFBFD;
    --bg-white: #FFFFFF;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --bg-glass-strong: rgba(255, 255, 255, 0.85);
    
    /* 阴影 - 苹果风格弥散光 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 32px rgba(255, 36, 66, 0.15);
    
    /* 边框 & 圆角 */
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --radius-full: 9999px;
    --border-light: rgba(0, 0, 0, 0.05);
    
    /* 渐变 - 极致美感 */
    --gradient-brand: linear-gradient(135deg, #FF2442 0%, #FF6B9D 100%);
    --gradient-rich-text: linear-gradient(135deg, #FF2442 0%, #9F44D3 50%, #FF9500 100%);
    --gradient-soft: linear-gradient(125deg, #FFF5F7 0%, #F3EEFF 100%);
    
    /* 功能卡片特定渐变 */
    --feature-icon-rose: linear-gradient(135deg, #FF2442 0%, #FF6B9D 100%);
    --feature-icon-lilac: linear-gradient(135deg, #9F44D3 0%, #B27BF9 100%);
    --feature-icon-mint: linear-gradient(135deg, #00B96B 0%, #34D399 100%);
    --feature-icon-sky: linear-gradient(135deg, #007AFF 0%, #5AC8FA 100%);
    --feature-icon-gold: linear-gradient(135deg, #FF9500 0%, #FFD60A 100%);
    --feature-icon-indigo: linear-gradient(135deg, #5856D6 0%, #8583E1 100%);

    --link-color: #0066CC;
    --link-hover: #004499;
    --text-contrast: #1D1D1F;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text-main);
    line-height: 1.7;
    background-color: var(--bg-body);
    /* 极光背景效果 */
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(255, 36, 66, 0.04) 0%, transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(107, 78, 255, 0.04) 0%, transparent 25%),
        radial-gradient(circle at 50% 80%, rgba(255, 149, 0, 0.03) 0%, transparent 25%);
    background-attachment: fixed;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
}

/* 标题字体 - 增加衬线体选项，营造杂志感 */
.heading-serif, h1, h2, h3 {
    font-family: "SF Pro Display", "New York", "Georgia", "Songti SC", serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-contrast);
}


p {
    letter-spacing: 0.2px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- 导航栏：玻璃拟态 --- */
.navbar {
    background: var(--bg-glass-strong);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.03);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand .brand-link {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.nav-logo {
    height: 32px;
    width: auto;
    border-radius: 8px;
}

.brand-text {
    font-size: 1.2rem;
    font-weight: 700;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.text-brand { color: var(--primary-color); }
.text-accent { color: var(--accent-color); }
.text-gradient {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-menu a:hover {
    color: var(--text-main);
}

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

.nav-platforms {
    display: flex;
    gap: 0.8rem;
    margin-left: 1.5rem;
}

.platform-badge {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s;
}

/* 移动端菜单按钮（默认隐藏） */
.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-btn .bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-main);
    transition: all 0.3s ease-in-out;
    border-radius: 2px;
}

/* 汉堡菜单动画 */
.mobile-menu-btn.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.active .bar:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.platform-badge:hover {
    transform: translateY(-1px);
}

.platform-badge.xhs {
    background: linear-gradient(135deg, #FF2442 0%, #FF6B9D 100%);
    color: white;
}

.platform-badge.dy {
    background: linear-gradient(135deg, #222222 0%, #555555 100%);
    color: white;
}

/* --- 按钮升级 --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient-brand);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 36, 66, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(255, 36, 66, 0.4);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 1px solid rgba(255, 36, 66, 0.2);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* --- Hero 区域：视觉冲击 --- */
.hero {
    background: transparent;
    padding: 12rem 0 10rem;
    text-align: center;
    position: relative;
    overflow: visible;
}

/* 动态背景装饰 - 极光效果 */
.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 107, 157, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    animation: float-soft 15s infinite alternate;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -20%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(107, 78, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    animation: float-soft 12s infinite alternate-reverse;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 5rem);
    line-height: 1.1;
    margin-bottom: 2rem;
    font-weight: 800;
    letter-spacing: -2px;
    background: var(--gradient-rich-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: "SF Pro Display", "New York", serif;
    text-shadow: 0 20px 40px rgba(255, 36, 66, 0.15);
}

.heading-display {
    letter-spacing: -1.2px;
    text-transform: none;
}

.hero-subtitle-large {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 3rem;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

/* --- 卡片通用样式 (Features, Services, Pricing) --- */
.feature-card, 
.service-card, 
.pricing-card, 
.platform-card,
.contact-card,
.download-card,
.address-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.04);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    height: 100%;
}

/* 丰富的卡片色彩主题 */
.card-rose { 
    background: var(--soft-rose-bg); 
    border-color: var(--border-rose);
}
.card-rose .feature-icon { 
    background: var(--feature-icon-rose); 
    color: white; 
    box-shadow: 0 10px 30px rgba(255, 36, 66, 0.25);
}
.card-rose h3 { color: var(--rich-rose); }

.card-lilac { 
    background: var(--soft-lilac-bg); 
    border-color: var(--border-lilac);
}
.card-lilac .feature-icon { 
    background: var(--feature-icon-lilac); 
    color: white; 
    box-shadow: 0 10px 30px rgba(159, 68, 211, 0.25);
}
.card-lilac h3 { color: var(--rich-lilac); }

.card-mint { 
    background: var(--soft-mint-bg); 
    border-color: var(--border-mint);
}
.card-mint .feature-icon { 
    background: var(--feature-icon-mint); 
    color: white; 
    box-shadow: 0 10px 30px rgba(0, 185, 107, 0.25);
}
.card-mint h3 { color: var(--rich-mint); }

.card-sky { 
    background: var(--soft-sky-bg); 
    border-color: var(--border-sky);
}
.card-sky .feature-icon { 
    background: var(--feature-icon-sky); 
    color: white; 
    box-shadow: 0 10px 30px rgba(0, 122, 255, 0.25);
}
.card-sky h3 { color: var(--rich-sky); }

.card-gold { 
    background: var(--soft-gold-bg); 
    border-color: var(--border-gold);
}
.card-gold .feature-icon { 
    background: var(--feature-icon-gold); 
    color: white; 
    box-shadow: 0 10px 30px rgba(255, 149, 0, 0.25);
}
.card-gold h3 { color: var(--rich-gold); }

.card-indigo { 
    background: var(--soft-indigo-bg); 
    border-color: var(--border-indigo);
}
.card-indigo .feature-icon { 
    background: var(--feature-icon-indigo); 
    color: white; 
    box-shadow: 0 10px 30px rgba(88, 86, 214, 0.25);
}
.card-indigo h3 { color: var(--rich-indigo); }

.feature-card:hover, 
.service-card:hover, 
.pricing-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-lg);
    background: white;
}


/* 核心功能区域 */
.features {
    padding: 6rem 0;
    background: var(--bg-body);
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 1.5rem + 2vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 4rem;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--feature-icon-from), var(--feature-icon-to));
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
    border: 1px solid rgba(255, 36, 66, 0.25);
    box-shadow: 0 8px 24px rgba(255, 36, 66, 0.20), 0 2px 8px rgba(0,0,0,0.06);
    position: relative;
    overflow: hidden;
}

.feature-card:hover .feature-icon {
    transform: scale(1.06) rotate(3deg);
    background: linear-gradient(135deg, rgba(255, 36, 66, 0.28), rgba(107, 78, 255, 0.28));
    box-shadow: var(--shadow-lg);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* 价格方案优化 */
.pricing-section {
    padding: 2rem 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.pricing-card-label {
    display: block;
    cursor: pointer;
    height: 100%;
    position: relative;
}

/* 隐藏单选框，使用卡片样式 */
input[type="radio"] {
    display: none;
}

input[type="radio"]:checked + .pricing-card-label .pricing-card {
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px);
}

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

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

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-main);
}

.price-unit {
    font-size: 1rem;
    color: var(--text-tertiary);
}

.price-desc {
    margin-top: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.9rem;
}

.pricing-features ul {
    list-style: none;
    padding: 0;
}

.pricing-features li {
    padding: 0.8rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 推荐标签 */
.pricing-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-brand);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 2;
}

/* 页面头部通用 (Services, Pricing 等) */
.page-header {
    background: var(--gradient-soft);
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.page-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 下载与联系 */
.download-tip {
    background: linear-gradient(to right, #FFF5F7, #FFFFFF);
    border-left: 4px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: var(--radius-sm);
    margin-bottom: 3rem;
    box-shadow: var(--shadow-sm);
}

.qr-image {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 4px solid white;
}

/* 输入框美化 */
.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-body);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    transition: all 0.3s;
    font-size: 1rem;
}

.form-group input:focus, 
.form-group textarea:focus {
    background: white;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-soft);
    outline: none;
}

/* 页脚 */
.footer {
    background: #1F1F2E;
    color: rgba(255, 255, 255, 0.7);
    padding: 4rem 0;
    margin-top: 6rem;
    font-size: 0.9rem;
}

.footer p {
    margin-bottom: 0.5rem;
}

/* --- 内页通用样式优化 --- */
.page-content {
    padding-bottom: 6rem;
}

.content-section {
    margin-bottom: 4rem;
    background: var(--bg-white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.content-section h2 {
    font-size: clamp(1.4rem, 1.2rem + 1.2vw, 1.8rem);
    margin-bottom: 1.5rem;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    padding-left: 1rem;
}

.content-section h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 1.2em;
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

.content-section p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.page-content a,
.content-section a {
    color: var(--link-color);
    text-decoration: none;
    background-image: linear-gradient(currentColor, currentColor);
    background-size: 0% 2px;
    background-repeat: no-repeat;
    background-position: 0 100%;
    transition: background-size 0.3s ease, color 0.3s ease;
}

.page-content a:hover,
.content-section a:hover {
    color: var(--link-hover);
    background-size: 100% 2px;
}

::selection {
    background: rgba(255, 36, 66, 0.15);
    color: var(--text-main);
}

.lead {
    font-size: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
    color: var(--text-secondary);
}

.muted {
    color: var(--text-tertiary);
}

/* 优势列表优化 */
.advantage-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 1.5rem;
}

.advantage-list li {
    position: relative;
    padding-left: 2rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.advantage-list li::before {
    content: '✦';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.advantage-list strong {
    color: var(--text-main);
    font-weight: 600;
}

/* 强调标语 */
.slogan-highlight {
    font-size: 1.5rem !important;
    text-align: center;
    font-weight: 700;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 2rem;
}

/* 联系页网格 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-address-section {
    margin-bottom: 2rem;
}

/* 下载提示优化 */
.download-tip-text {
    font-size: 1.1rem;
    color: var(--primary-color);
    text-align: center;
}

/* 动画工具类 */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

@keyframes float-soft {
    0% { transform: translateY(0); }
    100% { transform: translateY(-6px); }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .navbar {
        padding: 0.5rem 0;
    }

    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-glass);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        flex-direction: column;
        align-items: center;
        padding: 1.5rem;
        gap: 1rem;
        box-shadow: 0 12px 28px rgba(0,0,0,0.08);
        border-top: 1px solid rgba(255, 36, 66, 0.08);
        
        /* 动画状态 */
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        
        /* 确保覆盖 */
        display: flex; 
    }

    .nav-menu.active {
        transform: translateY(0) scale(1.01);
        opacity: 1;
        visibility: visible;
    }

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

    .nav-menu a {
        display: block;
        padding: 0.6rem 0;
        font-size: 1.1rem;
        border-radius: 8px;
    }
    
    .nav-menu a:hover, .nav-menu a:active {
        background-color: var(--bg-body);
        color: var(--primary-color);
    }
    
    .nav-platforms {
        margin-left: 0;
        justify-content: center;
        margin-top: 0.5rem;
        width: 100%;
    }

    .hero-title {
        font-size: 2rem;
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }

    .container {
        padding: 0 20px;
    }
    
    .features-grid, .pricing-grid {
        grid-template-columns: 1fr;
    }

    .contact-card {
        padding: 1.5rem;
    }
    
    .qr-image {
        max-width: 100%;
        height: auto;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .feature-card, .service-card, .pricing-card {
        animation: float-soft 6s ease-in-out infinite alternate;
        will-change: transform;
    }
    
    /* 移动端回退：禁用滚动显现的初始隐藏，避免浏览器兼容导致不可见 */
    .reveal {
        opacity: 1 !important;
        transform: none !important;
    }
}