/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    /* 添加安全区域支持 */
    padding-top: var(--safe-area-inset-top);
    min-height: calc(var(--nav-height) + var(--safe-area-inset-top));
}

/* 滚动时的导航栏样式 */
.nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(0, 0, 0, 0.12);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

.nav.scrolled .nav-logo {
    color: #1d1d1f;
}

.nav.scrolled .nav-links a {
    color: #1d1d1f;
}

.nav.scrolled .nav-links a:hover {
    color: #007AFF;
}

.nav.scrolled .nav-toggle span {
    background: #1d1d1f;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    /* 移动端调整高度 */
    min-height: 60px;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: cover;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-logo-icon:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #007AFF;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.nav-mobile {
    display: none;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
}

.nav-mobile a {
    display: block;
    padding: 0.75rem 2rem;
    color: #666;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-mobile a:hover {
    color: #007AFF;
    background: rgba(0, 122, 255, 0.05);
}

.nav-mobile a:last-child {
    border-bottom: none;
}

/* Mobile navigation active state */
.nav.active .nav-mobile {
    display: block;
}

.nav.active .nav-toggle span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.nav.active .nav-toggle span:nth-child(2) {
    opacity: 0;
}

.nav.active .nav-toggle span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section - 恢复原来的白色背景 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: #ffffff;
    overflow: hidden;
    /* 重要：添加足够的顶部间距 */
    padding-top: calc(var(--nav-height) + var(--safe-area-inset-top) + 20px);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(248, 250, 252, 0.1) 0%, rgba(241, 245, 249, 0.2) 100%);
    z-index: 1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-content {
    flex: 1;
    max-width: 500px;
}

.hero-brand {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
}

.hero-app-icon {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.hero-text {
    flex: 1;
}

.hero-title {
    font-size: 42px;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: #1d1d1f;
    line-height: 1.2;
}

.hero-slogan {
    font-size: 22px;
    font-weight: 500;
    margin: 0;
    color: #666666;
    line-height: 1.3;
}

.hero-description {
    font-size: 16px;
    margin-bottom: 32px;
}

.hero-cta {
    margin-top: 40px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

/* 浮动标签样式 - 黑白灰主色调 */
.floating-tag {
    position: absolute;
    z-index: 10;
}

.tag-btn {
    background: white;
    padding: 8px 14px;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 500;
    color: #333;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.12);
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tag-btn:hover {
    background: #f8f9fa;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transform: translateY(-1px);
    border-color: rgba(0, 0, 0, 0.2);
}

.tag-btn.active {
    background: #2d3748;
    color: white;
    border-color: #2d3748;
    box-shadow: 0 4px 16px rgba(45, 55, 72, 0.3);
}

/* 截图切换效果 */
.app-screenshot {
    transition: opacity 0.5s ease-in-out;
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-screenshot.active {
    opacity: 1;
}

.floating-tag-1 {
    top: 10%;
    left: -2%;
    animation: float-gentle-1 6s ease-in-out infinite;
}

.floating-tag-2 {
    top: 25%;
    right: -2%;
    animation: float-gentle-2 7s ease-in-out infinite 0.5s;
}

.floating-tag-3 {
    top: 35%;
    left: 4%;
    animation: float-gentle-3 8s ease-in-out infinite 1s;
}

.floating-tag-4 {
    top: 75%;
    right: 5%;
    animation: float-gentle-4 6.5s ease-in-out infinite 1.5s;
}

.floating-tag-5 {
    bottom: 35%;
    left: -8%;
    animation: float-gentle-5 7.5s ease-in-out infinite 2s;
}

.floating-tag-6 {
    bottom: 35%;
    right: -8%;
    animation: float-gentle-6 7s ease-in-out infinite 2.5s;
}

.floating-tag-7 {
    bottom: 10%;
    left: 2%;
    animation: float-gentle-7 6.8s ease-in-out infinite 3s;
}

.floating-tag-8 {
    bottom: 46%;
    right: 10%;
    animation: float-gentle-8 7.2s ease-in-out infinite 3.5s;
}

/* 更温和的浮动动画 */
@keyframes float-gentle-1 {

    0%,
    100% {
        transform: translateY(0px) rotate(-1deg);
    }

    50% {
        transform: translateY(-8px) rotate(1deg);
    }
}

@keyframes float-gentle-2 {

    0%,
    100% {
        transform: translateY(0px) rotate(1deg);
    }

    50% {
        transform: translateY(-10px) rotate(-1deg);
    }
}

@keyframes float-gentle-3 {

    0%,
    100% {
        transform: translateY(0px) rotate(-1.5deg);
    }

    50% {
        transform: translateY(-12px) rotate(1.5deg);
    }
}

@keyframes float-gentle-4 {

    0%,
    100% {
        transform: translateY(0px) rotate(-1deg);
    }

    50% {
        transform: translateY(-8px) rotate(1deg);
    }
}

@keyframes float-gentle-5 {

    0%,
    100% {
        transform: translateY(0px) rotate(-1deg);
    }

    50% {
        transform: translateY(-8px) rotate(1deg);
    }
}

/* 新增第8个标签的动画 */
@keyframes float-gentle-8 {

    0%,
    100% {
        transform: translateY(0px) rotate(-1.2deg);
    }

    50% {
        transform: translateY(-10px) rotate(1.2deg);
    }
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .hero {
        min-height: 100vh;
        padding: 0;
    }

    .hero-container {
        flex-direction: column;
        gap: 60px;
        text-align: center;
        padding: 80px 20px 60px;
    }

    .hero-brand {
        justify-content: center;
        margin-bottom: 20px;
    }

    .hero-app-icon {
        width: 64px;
        height: 64px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-slogan {
        font-size: 18px;
    }

    .hero-description {
        font-size: 16px;
        margin-bottom: 32px;
    }

    .phone-mockup {
        width: 200px;
        height: 420px;
        animation: none !important;
        /* 强制移除动画 */
        box-shadow: 0 25px 70px rgba(0, 0, 0, 0.3);
    }

    .phone-screen {
        border-radius: 24px;
    }

    .app-screenshot {
        border-radius: 24px;
    }

    .download-btn-premium img {
        width: 160px !important;
        /* 添加 !important 来覆盖内联样式 */
    }

    /* 移动端浮动标签位置调整 */
    .floating-tag-1 {
        top: 8%;
        left: 8%;
    }

    .floating-tag-2 {
        top: 20%;
        right: 8%;
    }

    .floating-tag-3 {
        top: 35%;
        left: 6%;
    }

    .floating-tag-4 {
        top: 50%;
        right: 6%;
    }

    .floating-tag-5 {
        bottom: 35%;
        left: 8%;
    }

    .floating-tag-6 {
        bottom: 25%;
        right: 8%;
    }

    .floating-tag-7 {
        bottom: 15%;
        left: 6%;
    }

    .floating-tag-8 {
        bottom: 45%;
        right: 10%;
    }

    .tag-btn {
        font-size: 11px;
        padding: 4px 8px;
        border-radius: 8px;
    }

    /* 移动端手机模型调整 */
    @media (max-width: 768px) {
        .hero-container {
            flex-direction: column;
            gap: 60px;
            text-align: center;
            padding: 100px 20px 60px;
        }

        .phone-mockup {
            width: 200px;
            height: 420px;
            animation: none !important;
            /* 强制移除动画 */
            box-shadow: 0 25px 70px rgba(0, 0, 0, 0.3);
        }
    }

    @media (max-width: 480px) {
        .hero-container {
            gap: 50px;
            padding: 120px 1rem 50px;
        }

        .phone-mockup {
            width: 170px;
            height: 360px;
            animation: none !important;
            /* 强制移除动画 */
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
        }
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1d1d1f;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin: 0;
}

/* Features Section - 占满一屏 */
.features {
    padding: 0;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 50%, #f8f8f8 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    /* 确保不被导航栏遮挡 */
    padding-top: calc(70px + env(safe-area-inset-top));
}

.features .container {
    width: 100%;
}

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

.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
    border-radius: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: linear-gradient(145deg, #ffffff 0%, #ffffff 100%);
    border: 2px solid rgba(0, 0, 0, 0.08);
    box-shadow:
        0 8px 25px rgba(0, 0, 0, 0.12),
        0 4px 12px rgba(0, 0, 0, 0.06);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.18),
        0 8px 20px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.15);
    background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
}

/* 功能卡片的图标样式（为何选择知我记物 section） */
.feature-card .feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
    width: auto;
    /* 覆盖之前的固定宽度 */
    text-align: center;
    line-height: 1;
}

/* 会员权益的打勾图标样式 */
.plan-features .feature-icon {
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
    font-weight: 600;
    line-height: 1.2;
    width: 18px;
    text-align: center;
    margin-bottom: 0;
    /* 覆盖之前的margin-bottom */
    display: inline;
    /* 覆盖之前的display: block */
}

/* 移动端优化 */
@media (max-width: 768px) {
    .feature-card .feature-icon {
        font-size: 2.5rem;
        /* 保持功能卡片图标大小不变 */
        margin-bottom: 1rem;
        display: block;
        width: auto;
        text-align: center;
    }

    .plan-features .feature-icon {
        font-size: 0.9rem;
        margin-top: 0.05rem;
        width: 16px;
        margin-bottom: 0;
        display: inline;
    }
}

@media (max-width: 480px) {
    .feature-card .feature-icon {
        font-size: 2rem;
        /* 移动端稍微减小功能卡片图标 */
    }

    .plan-features .feature-icon {
        font-size: 0.85rem;
        margin-top: 0.02rem;
        width: 14px;
    }
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1a1a1a;
}

.feature-card p {
    font-size: 0.95rem;
    color: #4a5568;
    line-height: 1.6;
}

/* Premium Section - 占满一屏 */
.premium {
    padding: 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
    height: 100vh;
    display: flex;
    align-items: center;
    /* 确保不被导航栏遮挡 */
    padding-top: calc(70px + env(safe-area-inset-top));
}

.premium .container {
    width: 100%;
}

.premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(0,0,0,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.5;
}

/* 对比容器 */
.comparison-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* 计划卡片 */
.plan-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    /* 从2rem增加到2.5rem */
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    min-height: 500px;
    /* 添加最小高度，确保卡片不会太扁 */
}

.plan-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* 免费计划样式 - 弱化处理 */
.free-plan {
    background: #F8F9FA;
    border-color: #e5e7eb;
}

.free-plan:hover {
    border-color: #d1d5db;
    transform: translateY(-2px);
}

/* Pro计划样式 - 更高级的光泽黑色设计 */
.pro-plan {
    border: 2px solid #555;
    background: linear-gradient(135deg, #2a2a2a 0%, #3d3d3d 25%, #2f2f2f 50%, #404040 75%, #2e2e2e 100%);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4),
        0 0 30px rgba(255, 255, 255, 0.08) inset,
        0 2px 10px rgba(255, 255, 255, 0.1) inset;
    position: relative;
    overflow: hidden;
}

/* 移除动态光效 */

.pro-plan:hover {
    border-color: #666;
    background: linear-gradient(135deg, #2f2f2f 0%, #424242 25%, #343434 50%, #454545 75%, #333333 100%);
    box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(255, 255, 255, 0.12) inset,
        0 4px 15px rgba(255, 255, 255, 0.15) inset;
    transform: translateY(-6px);
}

/* Pro计划标题 */
.pro-plan .plan-title {
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Pro计划价格 - 确保白色 */
.pro-plan .price {
    color: #fff !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.pro-plan .price-original {
    color: #999;
}

.pro-plan .period {
    color: #ccc;
    font-weight: 500;
    font-style: italic;
}

/* Pro计划头部边框 */
.pro-plan .plan-header {
    border-bottom: 1px solid #444;
}

/* Pro计划的功能项 - 确保白色文字 */
.pro-plan .feature-item.unlimited .feature-text {
    color: #fff !important;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* 优先级功能项特殊样式 */
.pro-plan .feature-item.priority .feature-icon {
    color: #00ff88;
    font-size: 1.1rem;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.pro-plan .feature-item.priority .feature-text {
    color: #fff;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.pro-plan .feature-item.priority {
    background: rgba(0, 255, 136, 0.05);
    border: 1px solid rgba(0, 255, 136, 0.1);
}

/* 限时优惠标签 - 加粗优化 */
.plan-badge-sale {
    display: inline-block;
    background: linear-gradient(135deg, #ff4757 0%, #ff3742 100%);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 800;
    box-shadow: 0 2px 8px rgba(255, 71, 87, 0.4), 0 0 15px rgba(255, 71, 87, 0.2);
    letter-spacing: 0.5px;
    margin-right: 0.5rem;
    vertical-align: top;
    transform: translateY(-2px);
    text-transform: uppercase;
}

/* 计划头部 */
.plan-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.plan-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 0.5rem;
}

/* 计划价格 */
.plan-price {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.price-container {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: #1d1d1f;
}

/* 移除重复的黑色样式 */
.pro-plan .price {
    color: #fff !important;
}

.price-original {
    font-size: 1.2rem;
    font-weight: 500;
    color: #999;
    text-decoration: line-through;
}

.period {
    font-size: 0.85rem;
    color: #999;
    font-weight: 500;
    text-align: center;
    line-height: 1.3;
}

.pro-plan .period {
    color: #999;
    font-weight: 500;
    font-style: italic;
}

/* 功能列表 - 减少间距 */
.plan-features {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    /* 从0.5rem增加到0.8rem */
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.6rem 0;
    /* 从0.5rem增加到0.6rem */
}

/* 优先级功能项 - 视觉上移 */
.feature-item.priority {
    margin-top: -4px;
    padding: 0.8rem 0.75rem;
    /* 增加内边距 */
    background: rgba(255, 107, 53, 0.03);
    border-radius: 8px;
}

.feature-icon {
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
    font-weight: 600;
    line-height: 1.2;
    width: 18px;
    /* 桌面端固定宽度 */
    text-align: center;
}

.feature-text {
    font-size: 0.95rem;
    line-height: 1.4;
    color: #333;
    flex: 1;
}

/* 功能项状态样式 */
.feature-item.limited .feature-icon {
    color: #9ca3af;
}

.feature-item.limited .feature-text {
    color: #9ca3af;
}

.feature-item.unlimited .feature-icon {
    color: #28a745;
}

.feature-item.unlimited .feature-text {
    color: #1d1d1f;
    font-weight: 500;
}

/* Pro计划的功能项更突出 */
.pro-plan .feature-item.unlimited .feature-icon {
    color: #00ff88;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.pro-plan .feature-item.unlimited .feature-text {
    color: #fff !important;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* 优先级功能项特殊样式 */
.pro-plan .feature-item.priority .feature-icon {
    color: #28a745;
    font-size: 1.1rem;
}

.pro-plan .feature-item.priority .feature-text {
    color: #000;
    font-weight: 700;
}

/* 底部标语样式 */
.plan-slogan {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 107, 53, 0.2);
    text-align: center;
}

.plan-slogan p {
    font-size: 0.9rem;
    color: #ff6b35;
    font-weight: 600;
    font-style: italic;
    margin: 0;
    letter-spacing: 0.5px;
}

/* 移动端响应式 */
@media (max-width: 768px) {
    .comparison-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .plan-card {
        padding: 2rem;
        min-height: auto;
    }

    .plan-title {
        font-size: 1.25rem;
    }

    .price {
        font-size: 1.5rem;
    }

    .price-container {
        gap: 0.5rem;
    }

    .plan-badge-sale {
        font-size: 0.65rem;
        padding: 3px 6px;
        margin-right: 0.3rem;
        transform: translateY(-1px);
    }

    .price-original {
        font-size: 1rem;
    }

    .period {
        font-size: 0.8rem;
    }

    .plan-features {
        gap: 1rem;
        /* 从0.6rem增加到1rem，增加功能项之间的间距 */
    }

    .feature-item {
        display: flex;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.6rem 0;
        /* 从0.4rem增加到0.6rem，增加单个功能项的内边距 */
        line-height: 1.6;
        /* 增加行高，让文本更舒展 */
    }

    .feature-text {
        font-size: 0.9rem;
        line-height: 1.6;
        /* 从1.4增加到1.6，增加行间距 */
    }

    .plan-slogan {
        margin-top: 1rem;
        padding-top: 1rem;
    }

    .plan-slogan p {
        font-size: 0.85rem;
    }

    /* 移动端会员权益打勾优化 */
    .feature-item {
        display: flex;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.6rem 0;
        /* 保持增加的内边距 */
    }

    .feature-icon {
        font-size: 0.9rem;
        flex-shrink: 0;
        margin-top: 0.05rem;
        font-weight: 600;
        line-height: 1.2;
        width: 16px;
        text-align: center;
    }

    .feature-text {
        font-size: 0.9rem;
        line-height: 1.6;
        /* 保持增加的行高 */
        color: #333;
        flex: 1;
    }

    /* Pro计划的打勾样式优化 */
    .pro-plan .feature-item.unlimited .feature-icon {
        color: #00ff88;
        font-size: 0.9rem;
        text-shadow: 0 0 8px rgba(0, 255, 136, 0.2);
    }

    .pro-plan .feature-item.unlimited .feature-text {
        color: #fff !important;
        font-weight: 500;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
        line-height: 1.6;
        /* 保持增加的行高 */
    }
}

@media (max-width: 480px) {
    .plan-features {
        gap: 0.8rem;
        /* 从0.6rem增加到0.8rem */
    }

    .feature-item {
        padding: 0.5rem 0;
        /* 从0.3rem增加到0.5rem */
        gap: 0.4rem;
        line-height: 1.5;
        /* 增加行高 */
    }

    .feature-icon {
        font-size: 0.85rem;
        margin-top: 0.02rem;
        width: 14px;
    }

    .feature-text {
        font-size: 0.85rem;
        line-height: 1.5;
        /* 从1.3增加到1.5 */
    }

    .pro-plan .feature-item.unlimited .feature-icon {
        font-size: 0.85rem;
        text-shadow: 0 0 6px rgba(0, 255, 136, 0.15);
    }

    .pro-plan .feature-item.unlimited .feature-text {
        font-weight: 500;
        font-size: 0.85rem;
    }

    .feature-item.priority {
        margin-top: -1px;
        padding: 0.6rem 0.4rem;
        /* 从0.5rem增加到0.6rem */
    }

    .pro-plan .feature-item.priority {
        background: rgba(0, 255, 136, 0.03);
        border: 1px solid rgba(0, 255, 136, 0.08);
        border-radius: 6px;
    }
}

/* Reviews Section - 恢复原始样式，不占满一屏 */
.reviews {
    padding: 80px 0;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
    height: auto;
    display: block;
}

.reviews .container {
    width: auto;
}

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

.review-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow:
        0 4px 20px rgba(0, 0, 0, 0.08),
        0 1px 3px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
}

.review-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        0 20px 40px rgba(0, 0, 0, 0.12),
        0 8px 16px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.1);
}

/* 时尚的左侧装饰条 */
.review-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #e5e7eb 0%, #9ca3af 50%, #6b7280 100%);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.3s ease;
}

.review-card:hover::before {
    transform: scaleY(1);
}

/* 微妙的右上角装饰 */
.review-card::after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.02) 0%, transparent 70%);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.review-card:hover::after {
    top: -40px;
    right: -40px;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.04) 0%, transparent 70%);
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.stars {
    font-size: 0.9rem;
    color: #fbbf24;
    font-weight: 600;
    letter-spacing: 2px;
    position: relative;
}

.stars::before {
    content: '★★★★★';
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #fbbf24;
    text-shadow: 0 1px 3px rgba(251, 191, 36, 0.3);
}

.reviewer {
    font-size: 0.85rem;
    color: #6b7280;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.review-card p {
    font-size: 1rem;
    color: #374151;
    line-height: 1.7;
    margin: 0;
    font-style: normal;
    position: relative;
    z-index: 2;
    font-weight: 400;
}

/* 移除引用标记样式 */
.review-card p::before,
.review-card p::after {
    display: none;
}

/* Download Section - 恢复原始样式，不占满一屏 */
.download {
    padding: 80px 0;
    background: #1d1d1f;
    color: #ffffff;
    height: auto;
    display: block;
}

.download .container {
    width: auto;
}

.download-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.download .section-title {
    color: #ffffff;
    margin-bottom: 1rem;
}

.download-description {
    font-size: 1.1rem;
    color: #a1a1a6;
    margin-bottom: 2.5rem;
}

.download-buttons {
    margin-bottom: 1.5rem;
}

.download-btn-large {
    display: inline-block;
    transition: transform 0.2s ease, opacity 0.2s ease;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
}

.download-btn-large:hover {
    transform: scale(1.05);
    opacity: 0.9;
    filter: drop-shadow(0 6px 20px rgba(0, 0, 0, 0.2));
}

.download-info {
    font-size: 0.9rem;
    color: #a1a1a6;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin: 0 0 1rem 0;
    font-weight: 600;
    color: #fff;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.footer-logo-icon:hover {
    transform: scale(1.05);
}

.footer-section p {
    color: #ccc;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #007AFF;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid #333;
    text-align: center;
    color: #999;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .hero-content {
        text-align: center;
    }

    .comparison-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .phone-mockup {
        width: 230px;
        /* 从220px增加到230px，增加10px */
        height: 460px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .nav-container {
        padding: 0 1rem;
    }

    .nav-logo {
        font-size: 1.2rem;
    }

    .nav-logo-icon {
        width: 28px;
        height: 28px;
    }

    .nav-links {
        gap: 1rem;
    }

    .hero {
        padding: 90px 1rem 50px;
        min-height: 80vh;
    }

    .hero-container {
        flex-direction: column;
        gap: 30px;
        /* 从40px减少到30px */
        text-align: center;
        padding: 0 20px;
        /* 移除顶部padding，因为已在.hero中设置 */
    }

    .hero-brand {
        justify-content: center;
        margin-bottom: 20px;
        /* 从24px减少到20px */
    }

    .hero-app-icon {
        width: 56px;
        /* 从64px减少到56px */
        height: 56px;
    }

    .hero-title {
        font-size: 28px;
        /* 从32px减少到28px */
        line-height: 1.1;
        /* 添加行高控制 */
    }

    .hero-slogan {
        font-size: 16px;
        /* 从18px减少到16px */
        line-height: 1.2;
        /* 添加行高控制 */
    }

    .hero-description {
        font-size: 15px;
        /* 从16px减少到15px */
        margin-bottom: 28px;
        /* 从32px减少到28px */
        line-height: 1.4;
        /* 添加行高控制 */
    }

    .phone-mockup {
        width: 230px;
        /* 从220px增加到230px，增加10px */
        height: 460px;
        padding: 8px;
        border-radius: 28px;
    }

    .phone-screen {
        border-radius: 20px;
    }

    .app-screenshot {
        border-radius: 20px;
    }

    .phone-content {
        padding: 16px 12px;
    }

    .phone-header {
        font-size: 12px;
        margin-bottom: 16px;
    }

    .app-header h3 {
        font-size: 16px;
    }

    .add-btn {
        width: 24px;
        height: 24px;
        font-size: 14px;
    }

    .items-grid {
        gap: 8px;
    }

    .item-card {
        padding: 8px;
    }

    .item-image {
        height: 50px;
    }

    .section-title {
        font-size: 1.6rem;
        /* 从2rem减少到1.6rem */
        line-height: 1.2;
    }

    .section-subtitle {
        font-size: 0.9rem;
        /* 从1rem减少到0.9rem */
        line-height: 1.3;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .features {
        padding: 90px 0 40px;
        /* 调整为固定padding而非100vh */
        height: auto;
        /* 移动端不强制100vh */
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem 1.25rem;
    }

    .premium {
        padding: 90px 0 40px;
        /* 调整为固定padding而非100vh */
        height: auto;
        /* 移动端不强制100vh */
    }

    .comparison-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .plan-card {
        padding: 1rem;
    }

    .plan-title {
        font-size: 1rem;
    }

    .price {
        font-size: 1.25rem;
    }

    .plan-features {
        gap: 0.3rem;
    }

    .feature-item {
        padding: 0.3rem 0;
    }

    .feature-text {
        font-size: 0.9rem;
    }

    .reviews {
        padding: 50px 0;
    }

    .review-card {
        padding: 1rem;
    }

    .review-card p {
        font-size: 0.9rem;
    }

    .download {
        padding: 50px 0;
    }

    .download-description {
        font-size: 0.95rem;
        /* 从1rem减少到0.95rem */
        line-height: 1.4;
    }

    .download-btn-large img {
        width: 160px;
        /* 从默认尺寸减少到160px */
    }

    .footer-logo-icon {
        width: 32px;
        height: 32px;
    }
}

@media (max-width: 480px) {
    .nav-logo {
        font-size: 1rem;
    }

    .nav-logo-icon {
        width: 24px;
        height: 24px;
    }

    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 90px 1rem 30px;
        /* 从100px减少到90px */
        min-height: 90vh;
        /* 从70vh改为90vh */
    }

    .hero-container {
        gap: 25px;
        /* 从2rem减少到25px */
    }

    .hero-app-icon {
        width: 48px;
        /* 从80px减少到48px */
        height: 48px;
        border-radius: 12px;
        /* 从18px减少到12px */
    }

    .hero-title {
        font-size: 24px;
        /* 从32px减少到24px */
        line-height: 1.1;
    }

    .hero-slogan {
        font-size: 14px;
        /* 从18px减少到14px */
        margin-bottom: 0.8rem;
        /* 从1rem减少到0.8rem */
        line-height: 1.2;
    }

    .hero-description {
        font-size: 14px;
        /* 从16px减少到14px */
        margin-bottom: 24px;
        /* 从32px减少到24px */
        line-height: 1.4;
    }

    .phone-mockup {
        width: 200px;
        height: 420px;
        animation: none !important;
        /* 强制移除动画 */
        box-shadow: 0 25px 70px rgba(0, 0, 0, 0.3);
    }

    .phone-content {
        padding: 12px 8px;
    }

    .phone-header {
        font-size: 10px;
        margin-bottom: 12px;
    }

    .app-header h3 {
        font-size: 14px;
    }

    .add-btn {
        width: 20px;
        height: 20px;
        font-size: 12px;
    }

    .item-image {
        height: 40px;
    }

    .item-name {
        font-size: 10px;
    }

    .item-price {
        font-size: 9px;
    }

    .section-title {
        font-size: 1.4rem;
        /* 从1.75rem减少到1.4rem */
        line-height: 1.1;
    }

    .section-subtitle {
        font-size: 0.85rem;
        /* 从0.9rem减少到0.85rem */
        line-height: 1.3;
    }

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

    .features {
        padding: 80px 0 30px;
        /* 从50px调整为80px */
    }

    .feature-card {
        padding: 1.25rem 1rem;
    }

    .feature-icon {
        font-size: 2rem;
    }

    .feature-card h3 {
        font-size: 1.1rem;
    }

    .feature-card p {
        font-size: 0.9rem;
    }

    .premium {
        padding: 80px 0 30px;
        /* 从50px调整为80px */
    }

    .premium-text h2 {
        font-size: 1.75rem;
    }

    .premium-intro {
        font-size: 1rem;
    }

    .premium-feature {
        font-size: 0.9rem;
    }

    .premium-price {
        font-size: 1.5rem;
    }

    .premium-period {
        font-size: 0.8rem;
    }

    .premium-mockup {
        width: 240px;
        height: 160px;
        padding: 1.5rem;
    }

    .reviews {
        padding: 50px 0;
    }

    .review-card {
        padding: 1rem;
    }

    .review-card p {
        font-size: 0.9rem;
    }

    .download {
        padding: 50px 0;
    }

    .download-description {
        font-size: 0.9rem;
        /* 从1rem减少到0.9rem */
        line-height: 1.4;
    }

    .download-btn-large img {
        width: 160px;
        /* 从默认尺寸减少到140px */
    }

    .footer-logo-icon {
        width: 32px;
        height: 32px;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.review-card,
.plan-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling for better UX */
html {
    scroll-behavior: smooth;
}

/* Selection styling */
::selection {
    background: #007AFF;
    color: white;
}

/* 手机模型样式 - 微调宽度 */
.phone-mockup {
    position: relative;
    width: 250px;
    height: 520px;
    background: #1a1a1a;
    border-radius: 32px;
    padding: 6px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    z-index: 1;
    animation: float 6s ease-in-out infinite;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #f8f9fa;
    border-radius: 26px;
    /* 从22px调整为26px，保持与外框等宽 */
    overflow: hidden;
    position: relative;
}

.app-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 26px;
    /* 同步调整为26px */
    transition: opacity 0.3s ease;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* 下载按钮样式 */
.download-btn-premium {
    display: inline-block;
    transition: transform 0.2s ease, opacity 0.2s ease;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
}

.download-btn-premium:hover {
    transform: scale(1.05);
    opacity: 0.9;
    filter: drop-shadow(0 6px 20px rgba(0, 0, 0, 0.2));
}

.download-btn-premium img {
    width: 200px;
    height: auto;
}

/* 移动端标签位置优化 - 简洁合理的分布 */
@media (max-width: 768px) {
    .floating-tag-6 {
        top: 20%;
        left: 5%;
    }

    .floating-tag-7 {
        bottom: 28%;
        right: 10%;
    }
}

/* Word Cloud Section - 占满一屏 */
.word-cloud {
    padding: 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 50%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
    height: 100vh;
    display: flex;
    align-items: center;
    /* 确保不被导航栏遮挡 */
    padding-top: calc(70px + env(safe-area-inset-top));
}

.word-cloud .container {
    position: relative;
    z-index: 2;
    width: 100%;
}

.word-cloud-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 20px;
    min-height: auto;
    position: relative;
    justify-items: center;
    align-items: center;
}

/* 词云项目基础样式 - 矩阵化调整 */
.word-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    white-space: nowrap;
    animation: wordFloat 0.6s ease-out;
    animation-fill-mode: both;
    width: 100%;
    min-height: 50px;
    text-align: center;
}

/* 尺寸变化 - 统一化处理 */
.word-large {
    font-size: 1.2rem;
    padding: 16px 24px;
    min-height: 60px;
    border-radius: 10px;
}

.word-medium {
    font-size: 1rem;
    padding: 14px 22px;
    min-height: 55px;
    border-radius: 9px;
}

.word-small {
    font-size: 0.9rem;
    padding: 12px 20px;
    min-height: 50px;
    border-radius: 8px;
}

/* 颜色主题 - 黑白灰主色调 */
.word-primary {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(26, 26, 26, 0.3);
    border: 1px solid #333;
}

.word-secondary {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #1a1a1a;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #dee2e6;
}

.word-accent {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(108, 117, 125, 0.3);
    border: 1px solid #5a6268;
}

/* 悬停效果 - 调整为黑白灰 */
.word-item:hover {
    transform: translateY(-3px) scale(1.05);
    filter: brightness(1.1);
}

.word-primary:hover {
    background: linear-gradient(135deg, #2d2d2d 0%, #404040 100%);
    box-shadow: 0 8px 25px rgba(26, 26, 26, 0.5);
    border-color: #555;
}

.word-secondary:hover {
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: #adb5bd;
    color: #000;
}

.word-accent:hover {
    background: linear-gradient(135deg, #495057 0%, #343a40 100%);
    box-shadow: 0 8px 25px rgba(73, 80, 87, 0.5);
    border-color: #495057;
}

/* 分类背景效果 - 移除所有emoji */
.word-item[data-category="basic"]::before,
.word-item[data-category="financial"]::before,
.word-item[data-category="time"]::before,
.word-item[data-category="organization"]::before,
.word-item[data-category="usage"]::before,
.word-item[data-category="subscription"]::before {
    display: none;
}

/* 动画效果 */
@keyframes wordFloat {
    0% {
        opacity: 0;
        transform: translateY(20px) scale(0.8);
    }

    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 为不同的词项添加延迟动画 */
.word-item:nth-child(1) {
    animation-delay: 0.1s;
}

.word-item:nth-child(2) {
    animation-delay: 0.2s;
}

.word-item:nth-child(3) {
    animation-delay: 0.3s;
}

.word-item:nth-child(4) {
    animation-delay: 0.4s;
}

.word-item:nth-child(5) {
    animation-delay: 0.5s;
}

.word-item:nth-child(6) {
    animation-delay: 0.6s;
}

.word-item:nth-child(7) {
    animation-delay: 0.7s;
}

.word-item:nth-child(8) {
    animation-delay: 0.8s;
}

.word-item:nth-child(9) {
    animation-delay: 0.9s;
}

.word-item:nth-child(10) {
    animation-delay: 1.0s;
}

.word-item:nth-child(11) {
    animation-delay: 1.1s;
}

.word-item:nth-child(12) {
    animation-delay: 1.2s;
}

.word-item:nth-child(13) {
    animation-delay: 1.3s;
}

.word-item:nth-child(14) {
    animation-delay: 1.4s;
}

.word-item:nth-child(15) {
    animation-delay: 1.5s;
}

.word-item:nth-child(16) {
    animation-delay: 1.6s;
}

.word-item:nth-child(17) {
    animation-delay: 1.7s;
}

.word-item:nth-child(18) {
    animation-delay: 1.8s;
}

.word-item:nth-child(19) {
    animation-delay: 1.9s;
}

.word-item:nth-child(20) {
    animation-delay: 2.0s;
}

.word-item:nth-child(21) {
    animation-delay: 2.1s;
}

.word-item:nth-child(22) {
    animation-delay: 2.2s;
}

.word-item:nth-child(23) {
    animation-delay: 2.3s;
}

.word-item:nth-child(24) {
    animation-delay: 2.4s;
}

/* 移动端适配 - 矩阵化布局 */
@media (max-width: 768px) {
    .word-cloud {
        padding: 90px 0 40px;
        /* 调整为固定padding而非100vh */
        height: auto;
        /* 移动端不强制100vh */
    }

    .word-cloud-container {
        padding: 30px 15px;
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 15px;
        min-height: 300px;
    }

    .word-large {
        font-size: 1rem;
        padding: 12px 16px;
        min-height: 45px;
    }

    .word-medium {
        font-size: 0.9rem;
        padding: 10px 14px;
        min-height: 40px;
    }

    .word-small {
        font-size: 0.8rem;
        padding: 8px 12px;
        min-height: 38px;
    }
}

@media (max-width: 480px) {
    .word-cloud-container {
        padding: 20px 10px;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px 6px;
    }

    .word-large {
        font-size: 0.8rem;
        padding: 5px 10px;
        min-height: 40px;
    }

    .word-medium {
        font-size: 0.75rem;
        padding: 4px 8px;
        min-height: 38px;
    }

    .word-small {
        font-size: 0.7rem;
        padding: 3px 6px;
        min-height: 36px;
    }
}

/* App Store Rating - 活泼有力样式 */
.app-store-rating {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
    position: relative;
}

.rating-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    transition: all 0.3s ease;
    position: relative;
}

.rating-container:hover {
    transform: translateY(-2px);
}

.rating-stars {
    font-size: 1.8rem;
    letter-spacing: 2px;
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.rating-stars::before {
    content: '★★★★★';
    color: #e5e7eb;
    position: absolute;
    top: 0;
    left: 0;
}

.rating-stars::after {
    content: '★★★★★';
    color: #fbbf24;
    position: absolute;
    top: 0;
    left: 0;
    width: 88%;
    /* 4.4/5 = 88% */
    overflow: hidden;
    text-shadow: 0 1px 3px rgba(251, 191, 36, 0.3);
}

.rating-score {
    font-size: 3.2rem;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
    letter-spacing: -2px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #1a1a1a 0%, #404040 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}

.rating-label {
    font-size: 1.1rem;
    color: #374151;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-family: 'Inter', sans-serif;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .rating-container {
        gap: 1.2rem;
    }

    .rating-stars {
        font-size: 1.5rem;
        letter-spacing: 1px;
    }

    .rating-score {
        font-size: 2.5rem;
        letter-spacing: -1px;
        transform: scale(1.02);
    }

    .rating-label {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .rating-container {
        gap: 1rem;
    }

    .rating-stars {
        font-size: 1.3rem;
    }

    .rating-score {
        font-size: 2rem;
        letter-spacing: -1px;
        transform: scale(1);
    }

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

/* Footer 移动端优化 */
@media (max-width: 768px) {
    .footer {
        padding: 2.5rem 1rem 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1.2fr 1fr 1fr;
        /* 调整第一列宽度，给左边更多空间 */
        gap: 2rem;
        /* 从1.5rem增加到2rem */
        margin-bottom: 1.5rem;
    }

    .footer-section h4 {
        font-size: 0.95rem;
        margin-bottom: 0.6rem;
    }

    .footer-section p {
        font-size: 0.85rem;
        line-height: 1.4;
    }

    .footer-section li {
        margin-bottom: 0.3rem;
    }

    .footer-section a {
        font-size: 0.85rem;
        line-height: 1.3;
    }

    .footer-logo {
        gap: 0.4rem;
        margin-bottom: 0.6rem;
    }

    .footer-logo-icon {
        width: 28px;
        height: 28px;
    }

    .footer-bottom {
        padding-top: 1.5rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1.3fr 1fr 1fr;
        /* 调整第一列宽度，给左边更多空间 */
        gap: 1.5rem;
        /* 从1rem增加到1.5rem */
        margin-bottom: 1rem;
    }

    .footer-section h4 {
        font-size: 0.85rem;
        margin-bottom: 0.5rem;
    }

    .footer-section p {
        font-size: 0.8rem;
        line-height: 1.3;
    }

    .footer-section li {
        margin-bottom: 0.25rem;
    }

    .footer-section a {
        font-size: 0.8rem;
        line-height: 1.2;
        display: block;
        padding: 0.1rem 0;
    }

    .footer-logo {
        gap: 0.3rem;
        margin-bottom: 0.5rem;
    }

    .footer-logo-icon {
        width: 24px;
        height: 24px;
    }

    .footer-bottom {
        padding-top: 1rem;
        font-size: 0.75rem;
        line-height: 1.3;
    }
}

/* 移动端隐藏浮动标签 */
@media (max-width: 768px) {
    .floating-tag {
        display: none;
        /* 移动端完全隐藏标签 */
    }
}

/* 全平台会员权益打勾优化 */
.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
}

.feature-icon {
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 0.125rem;
    font-weight: 600;
    line-height: 1.2;
    width: 18px;
    /* 桌面端固定宽度 */
    text-align: center;
}

.feature-text {
    font-size: 0.95rem;
    line-height: 1.4;
    color: #333;
    flex: 1;
}

/* 移动端会员权益打勾优化 */
@media (max-width: 768px) {
    .feature-item {
        display: flex;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.3rem 0;
    }

    .feature-icon {
        font-size: 0.9rem;
        flex-shrink: 0;
        margin-top: 0.05rem;
        font-weight: 600;
        line-height: 1.2;
        width: 16px;
        text-align: center;
    }

    .feature-text {
        font-size: 0.9rem;
        line-height: 1.4;
        color: #333;
        flex: 1;
    }

    /* Pro计划的打勾样式优化 */
    .pro-plan .feature-item.unlimited .feature-icon {
        color: #00ff88;
        font-size: 0.9rem;
        text-shadow: 0 0 8px rgba(0, 255, 136, 0.2);
    }

    .pro-plan .feature-item.unlimited .feature-text {
        color: #fff !important;
        font-weight: 500;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    }
}

@media (max-width: 480px) {
    .feature-item {
        padding: 0.25rem 0;
        gap: 0.4rem;
    }

    .feature-icon {
        font-size: 0.85rem;
        margin-top: 0.02rem;
        width: 14px;
    }

    .feature-text {
        font-size: 0.85rem;
        line-height: 1.3;
    }

    .pro-plan .feature-item.unlimited .feature-icon {
        font-size: 0.85rem;
        text-shadow: 0 0 6px rgba(0, 255, 136, 0.15);
    }

    .pro-plan .feature-item.unlimited .feature-text {
        font-weight: 500;
        font-size: 0.85rem;
    }

    .feature-item.priority {
        margin-top: -1px;
        padding: 0.4rem 0.4rem;
    }

    .pro-plan .feature-item.priority {
        background: rgba(0, 255, 136, 0.03);
        border: 1px solid rgba(0, 255, 136, 0.08);
        border-radius: 6px;
    }
}

/* 移动端图片切换优化 */
.app-screenshot {
    transition: opacity 0.5s ease-in-out;
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-screenshot.active {
    opacity: 1;
}

/* 移动端触摸优化 */
@media (max-width: 768px) {
    .tag-btn {
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
        user-select: none;
    }

    .floating-tag {
        pointer-events: auto;
    }

    /* 减少移动端动画 */
    .app-screenshot {
        transition: opacity 0.3s ease-in-out;
    }
}

/* 性能优化 */
.phone-screen {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: transform;
}

/* 在文件开头添加或修改现有的安全区域变量 */
:root {
    --safe-area-inset-top: env(safe-area-inset-top, 0px);
    --nav-height: 70px;
    --status-bar-height: 20px;
    /* 标准状态栏高度 */
    --notch-height: 44px;
    /* 刘海屏状态栏高度 */
}

/* 修改导航栏样式 */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    /* 添加安全区域支持 */
    padding-top: var(--safe-area-inset-top);
    min-height: calc(var(--nav-height) + var(--safe-area-inset-top));
}

/* 修改Hero section，确保不被导航栏遮挡 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: #ffffff;
    overflow: hidden;
    /* 重要：添加足够的顶部间距 */
    padding-top: calc(var(--nav-height) + var(--safe-area-inset-top) + 20px);
}

/* 移动端特殊处理 - 保持白色背景 */
@media (max-width: 768px) {
    .nav {
        /* 移动端减少顶部间距 */
        padding-top: calc(var(--safe-area-inset-top) + 5px);
        min-height: calc(50px + var(--safe-area-inset-top) + 5px);
    }

    .nav-container {
        height: 50px;
        /* 减少导航栏容器高度 */
        min-height: 50px;
    }

    .hero {
        /* 移动端Hero section调整 - 保持白色背景 */
        background: #ffffff;
        padding-top: calc(60px + var(--safe-area-inset-top) + 25px);
        min-height: calc(100vh - var(--safe-area-inset-top));
    }

    .hero-container {
        padding-top: 15px;
    }
}

/* 针对iPhone X系列及更新设备的特殊处理 */
@media (max-width: 768px) and (orientation: portrait) {
    /* 检测是否为刘海屏设备 */
    @supports (padding-top: env(safe-area-inset-top)) {
        .nav {
            padding-top: calc(env(safe-area-inset-top) + 3px);
        }

        .hero {
            background: #ffffff;
            padding-top: calc(env(safe-area-inset-top) + 70px);
        }
    }
}

/* 针对小屏幕设备的额外调整 */
@media (max-width: 480px) {
    .nav {
        padding-top: calc(var(--safe-area-inset-top) + 8px);
        min-height: calc(45px + var(--safe-area-inset-top) + 8px);
    }

    .nav-container {
        height: 45px;
        /* 进一步减少小屏幕导航栏高度 */
        min-height: 45px;
    }

    .hero {
        background: #ffffff;
        padding-top: calc(65px + var(--safe-area-inset-top) + 30px);
    }

    .hero-title {
        margin-top: 10px;
    }
}

/* 针对横屏模式的调整 */
@media (max-width: 768px) and (orientation: landscape) {
    .nav {
        padding-top: calc(var(--safe-area-inset-top) + 3px);
        min-height: calc(40px + var(--safe-area-inset-top) + 3px);
    }

    .nav-container {
        height: 40px;
        /* 横屏模式进一步减少高度 */
        min-height: 40px;
    }

    .hero {
        background: #ffffff;
        padding-top: calc(50px + var(--safe-area-inset-top) + 15px);
        min-height: 100vh;
    }
}