/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
    --white: #ffffff;
    --border-radius: 10px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: var(--light-bg);
}

/* iPhone 15专用样式 - 直接定位各种iPhone尺寸 */
@media screen and (min-width: 375px) and (max-width: 430px) {
    /* 导航栏优化 */
    .navbar {
        padding: 0 1rem !important;
        height: 54px !important;
    }
    
    .logo img {
        height: 26px !important;
    }
    
    .burger {
        margin-right: 5px !important;
        z-index: 1100 !important;
    }
    
    /* Hero区域优化 - 更加宽松美观 */
    .hero {
        padding: 5rem 0 3rem 0 !important; /* 大幅增加顶部内边距，往下移20% */
        height: auto !important;
        min-height: auto !important; /* 不强制占满屏幕高度，让内容决定高度 */
        margin-top: 54px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    .hero-card {
        padding: 3rem 2rem 3rem 2rem !important; /* 增加上下内边距 */
        position: relative !important;
        min-height: auto !important;
        width: 90% !important;
        margin: 0 auto !important;
        border-radius: 1.5rem !important;
        box-shadow: 0 15px 40px rgba(37,99,235,0.15) !important;
    }
    
    /* 文字部分调整 - 更加宽松 */
    .hero-title {
        font-size: 1.8rem !important;
        margin-bottom: 1.3rem !important; /* 增加下方间距 */
        line-height: 1.35 !important;
        text-align: center !important;
    }
    
    .hero-sub-bold {
        font-size: 1.2rem !important;
        margin-bottom: 1rem !important; /* 增加下方间距 */
        line-height: 1.5 !important;
        text-align: center !important;
    }
    
    .hero-desc {
        font-size: 1rem !important;
        margin-bottom: 2.5rem !important; /* 明显增加下方间距 */
        line-height: 1.6 !important;
        text-align: center !important;
        color: #666 !important;
    }
    
    /* 按钮样式调整 - 间距更大 */
    .hero-btns {
        gap: 1.2rem !important; /* 增加按钮之间的间距 */
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        width: 100% !important;
        margin-top: 0.5rem !important;
    }
    
    .hero-btn-main {
        padding: 1rem 1.5rem !important; /* 增加上下内边距 */
        font-size: 1.05rem !important;
        border-radius: 2rem !important;
        width: 85% !important;
        justify-content: center !important;
    }
    
    .hero-btn-outline {
        width: 85% !important;
        padding: 1rem 1.5rem !important; /* 增加上下内边距 */
        font-size: 1.05rem !important;
        border-radius: 2rem !important;
        justify-content: center !important;
    }
    
    /* 移除移动端的圆圈和logo */
    .hero-card .hero-right {
        display: none !important; /* 在移动端完全隐藏右侧区域 */
    }
    
    .hero-card .hero-anim-bg, 
    .hero-card .hero-anim {
        display: none !important; /* 确保圆圈和logo不显示 */
    }
    
    /* 左侧区域调整为占据全宽 */
    .hero-left {
        width: 100% !important;
        text-align: center !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
    }
    
    /* "什么是识流AI微信助手"板块的优化 */
    .intro-ai {
        margin-top: 3rem !important; /* 增加与首页的间距 */
        padding: 4rem 1.5rem 4rem 1.5rem !important; /* 大幅增加内边距 */
        background: #fff !important;
    }
    
    .intro-ai-container {
        max-width: 95% !important;
        margin: 0 auto !important;
    }
    
    .intro-ai h2 {
        font-size: 1.8rem !important;
        margin-bottom: 2rem !important; /* 增加标题下方间距 */
        font-weight: 700 !important;
        color: var(--primary-color) !important;
        line-height: 1.3 !important;
    }
    
    .intro-main {
        font-size: 1.05rem !important;
        line-height: 1.7 !important;
        margin-bottom: 2rem !important; /* 增加段落间距 */
        color: #444 !important;
    }
    
    .intro-list {
        margin-bottom: 2.5rem !important;
        line-height: 2 !important;
        font-size: 1rem !important;
    }
    
    .intro-list li {
        margin-bottom: 0.8rem !important; /* 增加列表项间距 */
        padding-left: 0.5rem !important;
    }
    
    .intro-cta {
        margin-top: 1.5rem !important;
    }
    
    .intro-waiting-btn {
        padding: 1rem 2.5rem !important;
        font-size: 1.05rem !important;
        border-radius: 2rem !important;
    }
}

/* 更小屏幕的iPhone优化 */
@media screen and (min-width: 375px) and (max-width: 390px) {
    .hero-card {
        padding: 2.5rem 1.5rem 2.5rem 1.5rem !important;
    }
    
    .hero-title {
        font-size: 1.7rem !important;
    }
    
    .hero-sub-bold {
        font-size: 1.15rem !important;
    }
    
    .hero-desc {
        font-size: 0.95rem !important;
    }
    
    .intro-ai {
        padding: 3.5rem 1.2rem 3.5rem 1.2rem !important;
    }
    
    .intro-ai h2 {
        font-size: 1.7rem !important;
    }
}

/* 锚点元素样式 */
#intro-ai-anchor {
    display: block;
    position: relative;
    top: -100px;
    visibility: hidden;
}

@media screen and (max-width: 768px) {
    #intro-ai-anchor {
        top: -90px;
    }
}

@media screen and (max-width: 480px) {
    #intro-ai-anchor {
        top: -80px;
    }
}

/* logo与导航栏 */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 100%;
    padding: 12px 0;
}
.logo img {
    height: 30px;
    width: auto;
    display: block;
    object-fit: contain;
}
.logo-text {
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: bold;
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #fff;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: none;
    z-index: 1000;
    border-bottom: 1.5px solid #e5eaf3;
    max-width: 100vw;
    margin: 0 auto;
    padding: 0 2vw;
}
.logo {
    margin-right: 2.5rem;
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 1.3rem;
    font-size: 1.08rem;
    font-weight: 600;
    margin-right: 0;
    align-items: center;
}
.nav-links li a {
    color: #23272f;
    text-decoration: none;
    padding: 0.2rem 0.7rem 0.2rem 0.7rem;
    border-radius: 6px;
    transition: color 0.2s, border-bottom 0.2s;
    border-bottom: 2.5px solid transparent;
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
    letter-spacing: 0.5px;
}
.nav-links li a:hover, .nav-links li a.active {
    color: #2563eb;
    border-bottom: 2.5px solid #2563eb;
    background: none;
}

/* 汉堡菜单 */
.burger {
    display: none;
    cursor: pointer;
    z-index: 1002;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 5px;
    transition: all 0.3s;
}

/* 首页Hero分栏卡片风格 */
.hero {
    margin-top: 54px;
    background: linear-gradient(120deg, #e0e7ef 0%, #f7faff 100%);
    min-height: 100vh;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4rem;
}
.hero-card {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    background: #fff;
    border-radius: 1.4rem;
    box-shadow: 0 12px 48px rgba(37,99,235,0.10);
    padding: 5.25rem 5.25rem 5.25rem 5.25rem;
    max-width: 1650px;
    width: 120vw;
    min-height: 720px;
    margin: 0 auto;
    gap: 3.75rem;
}
.hero-left {
    flex: 1.2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}
.hero-title {
    font-size: 2.9rem;
    font-weight: 900;
    color: #222;
    margin-bottom: 1.3rem;
    line-height: 1.35;
    letter-spacing: 1.2px;
    text-align: left;
}
.main-color {
    color: #2563eb;
}
.hero-sub-bold {
    font-size: 1.45rem;
    color: #222;
    font-weight: 700;
    margin-bottom: 1.2rem;
    text-align: left;
    line-height: 1.5;
}
.hero-desc {
    font-size: 1.13rem;
    color: #6b7280;
    font-weight: 500;
    margin-bottom: 2.5rem;
    text-align: left;
    line-height: 1.7;
}
.hero-btns {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    width: 100%;
}
.hero-btn-main {
    background: linear-gradient(90deg, #2563eb 0%, #1e40af 100%);
    color: #fff;
    border: none;
    font-weight: 700;
    font-size: 1.13rem;
    border-radius: 1.1rem;
    padding: 1.1rem 2.5rem;
    box-shadow: 0 2px 8px rgba(37,99,235,0.10);
    display: flex;
    align-items: center;
    gap: 0.7rem;
    transition: background 0.3s, transform 0.15s;
    text-decoration: none !important;
    border-bottom: none !important;
}
.hero-btn-main:hover {
    background: linear-gradient(90deg, #1e40af 0%, #2563eb 100%);
    transform: translateY(-2px) scale(1.03);
}
.hero-btn-outline {
    background: #f3f4f6;
    color: #2563eb;
    border: 2px solid #e0e7ef;
    font-weight: 700;
    font-size: 1.13rem;
    border-radius: 1.1rem;
    padding: 1.1rem 2.5rem;
    box-shadow: 0 2px 8px rgba(37,99,235,0.06);
    display: flex;
    align-items: center;
    gap: 0.7rem;
    transition: background 0.3s, color 0.3s, border 0.2s, transform 0.15s;
    text-decoration: none;
    border-bottom: 2px solid #e0e7ef;
}
.hero-btn-outline:hover {
    background: #e0e7ef;
    color: #1e40af;
    border: 2px solid #2563eb;
    border-bottom: 2px solid #2563eb;
    transform: translateY(-2px) scale(1.03);
    text-decoration: none;
}
.hero-btns i {
    font-size: 1.15em;
    margin-right: 0.2em;
}
.hero-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.hero-anim-bg {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    width: 370px;
    height: 370px;
    border-radius: 50%;
    background: radial-gradient(circle at 60% 40%, #e0e7ef 0%, #dbeafe 100%);
    z-index: 1;
    filter: blur(0.5px);
}
.hero-anim {
    width: 260px;
    max-width: 90vw;
    border-radius: 1.5rem;
    box-shadow: 0 4px 24px rgba(37,99,235,0.10);
    background: #fff;
    padding: 1.2rem;
    z-index: 2;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    margin: 0;
}
@media screen and (max-width: 1200px) {
    .navbar {
        max-width: 100vw;
        margin: 0;
    }
    .logo {
        margin-left: 1rem;
    }
    .nav-links {
        margin-right: 1rem;
        gap: 1.1rem;
    }
    .hero {
        padding: 0 2rem;
    }
    .hero-card {
        padding: 2.5rem;
        max-width: 98vw;
        min-height: 400px;
        gap: 1.5rem;
    }
    .hero-anim-bg {
        width: 220px;
        height: 220px;
    }
    .hero-anim {
        width: 140px;
        padding: 0.7rem;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        margin: 0;
    }
    .hero-title {
        font-size: 1.5rem;
    }
    .hero-sub-bold {
        font-size: 1.05rem;
    }
}
@media screen and (max-width: 900px) {
    .navbar {
        height: 56px;
        padding: 0 1vw;
    }
    .logo img {
        height: 22px;
    }
    .nav-links {
        gap: 1.1rem;
        font-size: 1rem;
    }
    .hero {
        margin-top: 56px;
        min-height: 100vh;
        padding: 0 0.85rem;
    }
    .hero-card {
        padding: 2.5rem;
        max-width: 98vw;
        min-height: 400px;
        gap: 1.5rem;
    }
    .hero-left, .hero-right {
        width: 100%;
        align-items: center;
        text-align: center;
    }
    .hero-title, .hero-sub-bold, .hero-desc {
        text-align: center;
    }
    .hero-btns {
        flex-direction: column;
        gap: 0.8rem;
        width: 100%;
    }
    .hero-anim-bg {
        width: 220px;
        height: 220px;
    }
    .hero-anim {
        width: 140px;
        padding: 0.7rem;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        margin: 0;
    }
    .subscribe-cards {
        flex-direction: column;
        gap: 1.2rem;
        align-items: center;
    }
    .subscribe-section {
        padding: 1.2rem 0.2rem 1.2rem 0.2rem;
    }
    .subscribe-card {
        min-width: 90vw;
        max-width: 99vw;
        padding: 1.2rem 0.5rem 1.2rem 0.5rem;
    }
    .feature-cases {
        flex-direction: column;
        gap: 1.2rem;
        align-items: center;
    }
    .case img {
        width: 100vw;
        max-width: 99vw;
        height: auto;
        border-radius: 1rem;
    }
    .waiting-form, #waitingListModal .modal-content {
        max-width: 98vw;
        padding: 0.7rem 0.2rem;
    }
    #contactModal .modal-content {
        max-width: 98vw;
        padding: 0.7rem 0.2rem;
    }
}
@media screen and (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        width: 35%;
        max-width: 150px;
        background: #fff;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        display: flex !important;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        padding: 4rem 1rem;
        transition: right 0.3s ease;
        z-index: 1001;
    }
    
    .nav-links.nav-active {
        right: 0;
    }
    
    .nav-links li {
        opacity: 0;
        margin: 0.8rem 0;
        width: 100%;
        text-align: center;
        transition: opacity 0.5s ease-in-out;
    }
    
    .nav-links.nav-active li {
        opacity: 1;
    }
    
    .nav-links li a {
        font-size: 1rem;
        justify-content: center;
        width: 100%;
        display: flex;
        padding: 0.8rem 0;
        min-height: 44px;
        align-items: center;
    }
    
    @keyframes navLinkFade {
        from {
            opacity: 0;
            transform: translateX(25px);
        }
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }
    
    .burger {
        display: block;
        position: relative;
        z-index: 1001;
    }
    
    .burger.toggle .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .burger.toggle .line2 {
        opacity: 0;
    }
    
    .burger.toggle .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
    }
    .features-list, .feature-cases {
        flex-direction: column;
        align-items: center;
    }
    
    /* 移动设备下二维码显示调整 */
    .wechat-qrcode-hover {
        width: 140px;
        left: 0;
        transform: translateX(0);
    }
    
    .wechat-qrcode-hover img {
        width: 120px;
        height: 120px;
    }
    
    .wechat-qrcode-hover::after {
        left: 20px;
    }
    .hero-card {
        flex-direction: column;
        padding: 1.2rem 1.2rem 3.2rem 1.2rem; /* 增加底部间距 */
        max-width: 99vw;
        min-height: 400px;
        gap: 1.2rem;
    }
}

/* 为首页大图下方的圆圈logo添加移动端调整 */
@media screen and (max-width: 768px) {
    /* 主页中的圆圈logo位置调整 */
    .hero-card .hero-right {
        position: relative;
        padding-bottom: calc(6rem + 40px); /* 增加底部间距 */
        margin-top: calc(4rem - 50px); /* 向上移动50px */
    }
    
    .hero-card .hero-anim-bg {
        top: 40%; /* 将圆圈位置上移 */
        width: 160px;
        height: 160px;
        max-height: none;
    }
    
    .hero-card .hero-anim {
        position: absolute;
        top: 40%; /* 跟随圆圈位置 */
        left: 50%;
        transform: translate(-50%, -50%); /* 确保在圆圈中居中 */
        margin: 0;
        width: 100px;
        max-width: none;
    }
}

/* 当屏幕尺寸较小且高度较小时的调整 */
@media screen and (max-width: 768px) and (max-height: 700px) {
    .hero-card .hero-right {
        padding-bottom: calc(7rem + 40px); /* 增加底部间距 */
        margin-top: calc(5rem - 50px); /* 向上移动50px */
    }
    
    .hero-card .hero-anim-bg {
        top: 40%;
        width: 140px;
        height: 140px;
    }
    
    .hero-card .hero-anim {
        top: 40%;
        width: 90px;
    }
}

/* 针对小型手机屏幕的进一步调整 */
@media screen and (max-width: 480px) {
    .hero-card {
        padding: 1.2rem 0.8rem 3.5rem 0.8rem; /* 增加底部间距 */
    }
    
    .hero-card .hero-right {
        padding-bottom: calc(8rem + 40px); /* 增加底部间距 */
        margin-top: calc(6rem - 50px); /* 向上移动50px */
    }
    
    .hero-card .hero-anim-bg {
        top: 40%;
        width: 120px;
        height: 120px;
    }
    
    .hero-card .hero-anim {
        top: 40%;
        width: 80px;
    }
}

/* 功能区块 */
.features {
    padding: 5rem 2rem 2rem 2rem;
    background: var(--white);
}

.features h2 {
    text-align: center;
    margin-bottom: 2.5rem;
}

.features-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.feature-item {
    background: var(--light-bg);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    padding: 2rem 1.5rem;
    text-align: center;
    width: 260px;
    transition: transform 0.2s;
}

.feature-item:hover {
    transform: translateY(-6px) scale(1.03);
}

.feature-item i {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-cases {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    justify-content: center;
}

.case {
    background: var(--light-bg);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    width: 320px;
    overflow: hidden;
    text-align: center;
}

.case img {
    width: 100%;
    height: 140px;
    object-fit: cover;
}

.case p {
    padding: 1rem;
    font-size: 1rem;
}

/* 下载区块 */
.download {
    padding: 4rem 2rem 2rem 2rem;
    background: var(--white);
    text-align: center;
}

.download h2 {
    margin-bottom: 2rem;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    background: linear-gradient(90deg, #2563eb 0%, #1e40af 100%);
    color: var(--white);
    padding: 1.1rem 2.8rem;
    border-radius: 1.1rem;
    font-size: 1.13rem;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 2px 12px rgba(37,99,235,0.13);
    transition: background 0.3s, transform 0.15s, box-shadow 0.2s;
    min-width: 180px;
    border: none;
}

.download-btn i {
    font-size: 1.25em;
    margin-right: 0.3em;
}

.download-btn:hover {
    background: linear-gradient(90deg, #1e40af 0%, #2563eb 100%);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 4px 20px rgba(37,99,235,0.18);
    color: #fff;
}

.download-tip {
    color: #888;
    font-size: 0.95rem;
}

/* Waiting List区块 */
.waiting-list {
    padding: 4rem 2rem 2rem 2rem;
    background: var(--light-bg);
    text-align: center;
}

.waiting-list h2 {
    margin-bottom: 1rem;
}

.waiting-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    max-width: 340px;
    margin: 0 auto 1.2rem auto;
    background: #f7f9fb;
    padding: 1.2rem 1rem;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(37,99,235,0.06);
}

.waiting-form input {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
}

.waiting-form button {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
}

.waiting-form button:hover {
    background: var(--secondary-color);
}

.waiting-info {
    color: var(--text-color);
    font-size: 1rem;
    margin-top: 0.5rem;
}

.invite-tip {
    color: var(--primary-color);
    font-size: 0.98rem;
    margin-top: 0.3rem;
}

/* 联系我们部分 */
.contact {
    padding: 4rem 2rem 2rem 2rem;
    background: var(--white);
}

.contact h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.contact-container {
    max-width: 600px;
    margin: 0 auto;
}

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

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

/* 页脚样式 */
footer {
    background-color: var(--text-color);
    color: var(--white);
    padding: 2rem 0 1rem 0;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer-section {
    margin-bottom: 1rem;
}

/* 备案信息样式 */
.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 独立备案信息区域 */
.beian-section {
    background-color: var(--text-color);
    text-align: center;
    padding: 0.8rem 1rem 1.5rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.beian-section p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.beian-section a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.beian-section a:hover {
    color: rgba(255, 255, 255, 0.9);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    position: relative;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--primary-color);
}

/* 微信二维码悬浮效果 */
.wechat-hover-trigger {
    position: relative;
    cursor: pointer;
    display: inline-block;
}

.wechat-qrcode-hover {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    width: 160px;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 100;
    pointer-events: none;
}

.wechat-qrcode-hover img {
    width: 140px;
    height: 140px;
    object-fit: cover;
    border-radius: 4px;
    margin-bottom: 8px;
}

.wechat-qrcode-hover p {
    color: #333;
    font-size: 12px;
    margin: 0;
}

.wechat-qrcode-hover::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid white;
}

.wechat-hover-trigger:hover .wechat-qrcode-hover {
    opacity: 1;
    visibility: visible;
    bottom: 60px;
}

/* 添加点击显示二维码的样式 */
.wechat-qrcode-hover.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* 移动端的微信二维码样式 */
@media screen and (max-width: 768px) {
    .wechat-qrcode-hover {
        width: 200px;
        padding: 15px;
    }
    
    .wechat-qrcode-hover img {
        width: 170px;
        height: 170px;
    }
}

@media screen and (max-width: 480px) {
    .wechat-qrcode-hover {
        width: 180px;
        padding: 15px;
    }
    
    .wechat-qrcode-hover img {
        width: 150px;
        height: 150px;
    }
}

/* 识流AI微信助手介绍区块 恢复为居中窄版 */
.intro-ai {
    background: var(--white);
    padding: 2rem 1.5rem 3rem 1.5rem;
    box-shadow: 0 2px 12px rgba(37,99,235,0.06);
    margin-top: -1rem;
    margin-bottom: 2rem;
}

.intro-ai-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-ai h2 {
    font-size: 2rem;
    margin-bottom: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.intro-ai .highlight {
    color: var(--secondary-color);
    font-weight: bold;
}

.intro-main {
    font-size: 1.15rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.intro-list {
    text-align: left;
    display: inline-block;
    margin: 0 auto 1.5rem auto;
    padding-left: 1.2rem;
    color: var(--text-color);
    font-size: 1.05rem;
    line-height: 2;
}

.intro-list li {
    margin-bottom: 0.3rem;
}

.intro-list b {
    color: var(--primary-color);
}

.intro-cta {
    margin-top: 1.2rem;
}

@media screen and (max-width: 600px) {
    .intro-ai h2 {
        font-size: 1.2rem;
    }
    .intro-main, .intro-list {
        font-size: 0.98rem;
    }
}

/* 移除分栏相关样式 */
.intro-ai-flex, .intro-ai-left, .intro-ai-right, .intro-ai-img {
    all: unset !important;
    display: unset !important;
    padding: 0 !important;
    margin: 0 !important;
    box-shadow: none !important;
    background: none !important;
    max-width: unset !important;
    min-width: unset !important;
    border-radius: 0 !important;
}

/* Waiting List按钮美化 */
.intro-waiting-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(90deg, #2563eb 0%, #1e40af 100%);
    color: #fff;
    border: none;
    font-weight: 700;
    font-size: 1.08rem;
    border-radius: 1rem;
    padding: 0.85rem 2.1rem;
    box-shadow: 0 2px 8px rgba(37,99,235,0.10);
    transition: background 0.3s, transform 0.15s;
    text-decoration: none;
    border-bottom: none;
    margin-top: 1.2rem;
}

.intro-waiting-btn:hover {
    background: linear-gradient(90deg, #1e40af 0%, #2563eb 100%);
    transform: translateY(-2px) scale(1.03);
    color: #fff;
    text-decoration: none;
    border-bottom: none;
}

.intro-waiting-btn i {
    font-size: 1.1em;
    margin-right: 0.2em;
}

/* Waiting List弹窗样式优化 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    overflow: auto;
    background: rgba(0,0,0,0.35);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--white);
    margin: 5% auto;
    padding: 2.5rem 2rem 2rem 2rem;
    border-radius: 8px;
    max-width: 400px;
    box-shadow: 0 4px 24px rgba(37,99,235,0.13);
    position: relative;
    text-align: center;
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from { transform: translateY(40px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-content h2 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 0.7rem;
    font-weight: bold;
}

.modal-content p {
    color: #444;
    font-size: 1rem;
    margin-bottom: 1.2rem;
}

.waiting-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    max-width: 340px;
    margin: 0 auto 1.2rem auto;
    background: #f7f9fb;
    padding: 1.2rem 1rem;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(37,99,235,0.06);
}

.waiting-form input {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid #dbeafe;
    border-radius: 6px;
    font-size: 1rem;
    background: #fff;
    transition: border 0.2s;
}

.waiting-form input:focus {
    border: 1.5px solid var(--primary-color);
    outline: none;
}

.waiting-form button {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
    margin-top: 0.2rem;
    box-shadow: 0 2px 8px rgba(37,99,235,0.10);
}

.waiting-form button:hover {
    background: var(--secondary-color);
}

.waiting-info {
    color: var(--text-color);
    font-size: 0.98rem;
    margin-top: 0.5rem;
    background: #f3f4f6;
    border-radius: 6px;
    padding: 0.7rem 0.5rem 0.5rem 0.5rem;
}

.invite-tip {
    color: var(--primary-color);
    font-size: 0.97rem;
    margin-top: 0.3rem;
}

/* 联系我们弹窗二维码优化 */
#contactModal .modal-content h2 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

#contactModal .modal-content > div {
    margin: 1.2rem auto 0 auto;
}

#contactModal .modal-content img {
    max-width: 220px;
    width: 100%;
    display: block;
    border-radius: 14px;
    box-shadow: 0 2px 16px rgba(37,99,235,0.13);
    margin: 0 auto;
    border: 2px solid #e0e7ef;
}

#contactModal .modal-content div > div {
    font-size: 1.05rem;
    color: #2563eb;
    font-weight: bold;
    margin-bottom: 0.7rem;
    letter-spacing: 1px;
}

@media screen and (max-width: 600px) {
    .modal {
        align-items: flex-start;
        padding-top: 4rem;
    }
    
    .modal-content {
        margin: 0 auto;
    }

    #waitingListModal .modal-content {
        padding: 1.2rem 0.8rem 1rem 0.8rem;
        max-width: 79vw;
        width: 79%;
    }
    
    .waiting-form {
        padding: 0.7rem 0.2rem;
    }
}

.close-modal {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    font-size: 1.5rem;
    color: #94a3b8;
    cursor: pointer;
    background: #f3f7fd;
    border-radius: 50%;
    width: 2.4rem;
    height: 2.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 1px 4px rgba(37,99,235,0.1);
    border: none;
    z-index: 10;
}

.close-modal:hover {
    background: #e0e7ff;
    color: var(--primary-color);
    box-shadow: 0 2px 10px rgba(37,99,235,0.15);
    transform: rotate(90deg);
}

/* Waiting List弹窗样式进阶美化 */
#waitingListModal .modal-content {
    padding: 1.8rem 2.5rem 1.5rem 2.5rem;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(37,99,235,0.15);
    max-width: 400px;
    width: 90%;
}

#waitingListModal .modal-content h2 {
    color: #1e3a8a;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
    letter-spacing: 0.5px;
}

#waitingListModal .modal-content p {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    font-weight: 400;
    line-height: 1.4;
}

#waitingListModal .waiting-form {
    background: #f8faff;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(37,99,235,0.08);
    padding: 1.2rem 1.5rem 1rem 1.5rem;
    gap: 0.6rem;
    max-width: 100%;
    width: 100%;
    margin-bottom: 0.5rem;
}

.input-group {
    position: relative;
    width: 100%;
    margin-bottom: 0.35rem;
}

.input-group i {
    position: absolute;
    left: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    color: #93a3c0;
    font-size: 0.95rem;
    pointer-events: none;
    transition: color 0.2s;
}

#waitingListModal .waiting-form input {
    width: 100%;
    height: 2.6rem;
    padding: 0.7rem 0.8rem 0.7rem 2.4rem;
    border: 1.5px solid #e0e7ef;
    border-radius: 8px;
    font-size: 0.92rem;
    background: #fff;
    transition: all 0.2s ease;
    color: #222;
}

#waitingListModal .waiting-form input:focus {
    border: 1.5px solid var(--primary-color);
    outline: none;
    background: #f8faff;
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

#waitingListModal .waiting-form input:focus + i {
    color: var(--primary-color);
}

#waitingListModal .waiting-form button {
    width: 100%;
    padding: 0 1.5rem;
    background: linear-gradient(90deg, #2563eb 0%, #1e40af 100%);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1.05rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
    box-shadow: 0 4px 12px rgba(37,99,235,0.15);
    letter-spacing: 0.5px;
    height: 2.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

#waitingListModal .waiting-form button::before {
    content: "\f00c";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.95rem;
}

#waitingListModal .waiting-form button:hover {
    background: linear-gradient(90deg, #1e40af 0%, #2563eb 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37,99,235,0.2);
}

#waitingListModal .waiting-info {
    color: #4b5563;
    font-size: 0.85rem;
    margin-top: 0.8rem;
    background: #f0f7ff;
    border-radius: 8px;
    padding: 0.5rem 0.8rem;
    box-shadow: 0 2px 8px rgba(37,99,235,0.07);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed #c7d7fb;
}

#waitingListModal .waiting-info p {
    margin: 0;
}

#waitingListModal .waiting-info #waiting-count {
    color: #2563eb;
    font-weight: 700;
    margin: 0 0.3rem;
    font-size: 1.05rem;
}

#waitingListModal .invite-tip {
    color: var(--primary-color);
    font-size: 0.95rem;
    margin-top: 0.3rem;
    font-weight: 600;
}

@media screen and (max-width: 600px) {
    #waitingListModal .modal-content {
        padding: 1rem 0.8rem 0.8rem 0.8rem;
        max-width: 79vw;
        width: 79%;
    }
    
    #waitingListModal .modal-content h2 {
        font-size: 1.2rem;
        margin-bottom: 0.1rem;
    }
    
    #waitingListModal .modal-content p {
        font-size: 0.85rem;
        margin-bottom: 0.5rem;
    }
    
    #waitingListModal .waiting-form {
        padding: 0.6rem 0.6rem;
        gap: 0.3rem;
        box-shadow: 0 1px 6px rgba(37,99,235,0.05);
    }
    
    #waitingListModal .waiting-info {
        padding: 0.3rem 0.5rem;
        font-size: 0.8rem;
        margin-top: 0.5rem;
    }
    
    .input-group {
        margin-bottom: 0.2rem;
    }
    
    #waitingListModal .waiting-form input {
        height: 2.2rem;
        padding: 0.4rem 0.6rem 0.4rem 2rem;
        font-size: 0.85rem;
    }
    
    #waitingListModal .waiting-form button {
        height: 2.2rem;
        font-size: 0.9rem;
        margin-top: 0.2rem;
        padding: 0 1rem;
    }
    
    .input-group i {
        font-size: 0.85rem;
        left: 0.6rem;
    }

    .close-modal {
        top: 0.7rem;
        right: 0.7rem;
        font-size: 1.2rem;
        width: 2rem;
        height: 2rem;
    }
}

/* 特别针对极小屏幕的优化 */
@media screen and (max-width: 380px) {
    .modal {
        padding-top: 3.5rem;
    }
    
    #waitingListModal .modal-content {
        padding: 1rem 0.7rem 0.8rem 0.7rem;
        max-width: 95vw;
        width: 95%;
    }
    
    #waitingListModal .waiting-form {
        padding: 0.5rem 0.5rem;
        gap: 0.4rem;
    }
    
    #waitingListModal .waiting-form input {
        height: 2.2rem;
        padding: 0.4rem 0.6rem 0.4rem 2rem;
        font-size: 0.8rem;
        letter-spacing: -0.3px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    /* 调整输入框内的文字偏移，确保更多文字可见 */
    #waitingListModal .waiting-form input::placeholder {
        font-size: 0.75rem;
        letter-spacing: -0.3px;
    }
    
    #waitingListModal .waiting-form button {
        height: 2.3rem;
        font-size: 0.85rem;
        padding: 0 1rem;
    }
    
    #waitingListModal .waiting-info {
        padding: 0.35rem 0.4rem;
        font-size: 0.75rem;
    }
    
    .input-group i {
        font-size: 0.8rem;
        left: 0.6rem;
    }
}

/* 订阅服务区块样式 */
.subscribe-section {
    padding: 3.5rem 2rem 3rem;
    background: #f7faff;
    text-align: center;
}

.subscribe-title {
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
}

.subscribe-subtitle {
    max-width: 700px;
    margin: 0 auto 2.5rem auto;
    font-size: 1.1rem;
    color: #64748b;
    line-height: 1.6;
}

.subscribe-cards {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    align-items: stretch;
}

.subscribe-card {
    background: #fff;
    border-radius: 1rem;
    box-shadow: 0 4px 24px rgba(37,99,235,0.08);
    padding: 2.5rem 2rem 2.2rem 2rem;
    min-width: 280px;
    max-width: 340px;
    flex: 1 1 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    height: 100%;
    justify-content: space-between;
    border: 1px solid #e5eaf3;
    transition: all 0.3s ease;
}

.subscribe-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(37,99,235,0.12);
    border-color: #d1ddf5;
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ebf2ff 0%, #d5e3ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.2rem;
}

.card-icon i {
    font-size: 1.8rem;
    color: var(--primary-color);
}

.popular-tag {
    position: absolute;
    top: -10px;
    right: 20px;
    background: linear-gradient(90deg, #ff6b6b 0%, #ff9f43 100%);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.4rem 1rem;
    border-radius: 1rem;
    box-shadow: 0 4px 10px rgba(255, 107, 107, 0.25);
}

.plan-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 1.5rem;
    position: relative;
}

.plan-price {
    font-size: 2.2rem;
    font-weight: 900;
    color: #1e40af;
    margin-bottom: 0.3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.original-price {
    font-size: 1.3rem;
    font-weight: 600;
    color: #6b7280;
    text-decoration: line-through;
}

.plan-desc {
    font-size: 1.1rem;
    color: #6b7280;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.limited-tag {
    display: inline-block;
    background-color: #ff9500;
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.2rem 0.6rem;
    border-radius: 1rem;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(255, 149, 0, 0.2);
}

.plan-benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    color: #444;
    font-size: 1rem;
    text-align: left;
    width: 100%;
}

.plan-benefits li {
    margin-bottom: 0.8rem;
    padding-left: 0;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}

.plan-benefits li i {
    color: #2563eb;
    font-size: 0.9rem;
    margin-top: 0.2rem;
}

.subscribe-btn {
    background: linear-gradient(90deg, #2563eb 0%, #1e40af 100%);
    color: #fff;
    border: none;
    border-radius: 2rem;
    padding: 0.9rem 2rem;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(37,99,235,0.10);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 180px;
    position: relative;
    overflow: hidden;
}

.subscribe-btn:hover:not(:disabled) {
    background: linear-gradient(90deg, #1e40af 0%, #2563eb 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37,99,235,0.15);
}

.compare-plans {
    margin-top: 2.5rem;
    text-align: center;
}

.compare-plans a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 2rem;
    transition: all 0.3s ease;
    background-color: rgba(37,99,235,0.05);
}

.compare-plans a:hover {
    background-color: rgba(37,99,235,0.1);
    transform: translateY(-2px);
}

.compare-plans a i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.compare-plans a:hover i {
    transform: translateX(3px);
}

@media screen and (max-width: 900px) {
    .subscribe-cards {
        flex-direction: column;
        gap: 2rem;
        align-items: center;
    }
    
    .subscribe-section {
        padding: 3.5rem 1.5rem;
    }
    
    .subscribe-card {
        max-width: 400px;
        width: 100%;
    }
}

@media screen and (max-width: 480px) {
    .subscribe-section {
        padding: 3rem 1rem;
    }
    
    .subscribe-title {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .subscribe-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .subscribe-card {
        padding: 2rem 1.5rem;
        margin-bottom: 1rem;
    }
    
    .card-icon {
        width: 50px;
        height: 50px;
    }
    
    .card-icon i {
        font-size: 1.5rem;
    }
    
    .plan-name {
        font-size: 1.3rem;
        margin-bottom: 1.2rem;
    }
    
    .plan-benefits li {
        font-size: 0.95rem;
    }
    
    .compare-plans {
        margin-top: 1.5rem;
    }
    
    .compare-plans a {
        font-size: 0.95rem;
        padding: 0.7rem 1.2rem;
    }
}

/* 应用场景卡片优化 */
.application-cases {
    display: flex;
    justify-content: center;
    gap: 0;
    margin: 2.5rem auto 3rem auto;
    max-width: 1000px;
    box-shadow: 0 8px 30px rgba(37,99,235,0.06);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    border: 1px solid #e5eaf3;
    position: relative;
}

.application-cases::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #2563eb, #1e40af, #2563eb);
}

.app-case {
    flex: 1;
    padding: 2rem 1.5rem;
    text-align: center;
    border-right: 1px solid #e5eaf3;
    position: relative;
    transition: all 0.3s ease;
    min-height: 110px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #fff 0%, #f9faff 100%);
}

.app-case:last-child {
    border-right: none;
}

.app-case:hover {
    background: linear-gradient(180deg, #f9faff 0%, #f0f7ff 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37,99,235,0.08);
    z-index: 1;
}

.app-case-title {
    font-weight: 700;
    color: #1e40af;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.app-case-title::before {
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 1.05rem;
    color: #2563eb;
    background: #ebf1ff;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-case:nth-child(1) .app-case-title::before {
    content: "\f4ad"; /* 商务洽谈图标 - 消息图标 */
}

.app-case:nth-child(2) .app-case-title::before {
    content: "\f500"; /* 社群运营图标 - 用户组图标 */
}

.app-case:nth-child(3) .app-case-title::before {
    content: "\f3e0"; /* 客服场景图标 - 耳机图标 */
}

.app-case-desc {
    color: #4b5563;
    font-size: 0.95rem;
    line-height: 1.5;
}

@media screen and (max-width: 768px) {
    .application-cases {
        flex-direction: column;
        border-radius: 6px;
        max-width: 90%;
        margin: 2rem auto 2.5rem auto;
    }
    
    .app-case {
        border-right: none;
        border-bottom: 1px solid #e5eaf3;
        padding: 1.5rem 1rem;
    }
    
    .app-case:last-child {
        border-bottom: none;
    }
}

/* 完善移动端适配 */
@media screen and (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    body {
        overflow-x: hidden;
    }
    
    /* 添加viewport宽度限制，防止内容溢出 */
    .hero, .intro-ai, .features, .subscribe-section, .download, footer {
        max-width: 100vw;
        overflow-x: hidden;
    }
    
    .navbar {
        padding: 0.8rem 1rem;
    }
    
    .logo img {
        height: 24px;
        filter: brightness(1.05);
    }
    
    .hero {
        padding: 5rem 0 3rem 0 !important; /* 大幅增加顶部内边距，往下移20% */
        height: auto !important;
        min-height: auto !important;
        margin-top: 54px !important;
    }
    
    /* 优化移动端文本大小和按钮 */
    .hero-card {
        padding: 1.2rem 0.8rem;
        margin: 0;
        width: 100%;
        border-radius: 1rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
        line-height: 1.3;
        margin-bottom: 0.6rem;
    }
    
    .hero-sub-bold {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    
    .hero-desc {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }
    
    .hero-btns {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-btn-main, .hero-btn-outline, .cta-button, .secondary-btn {
        width: 100%;
        text-align: center;
        margin: 0.3rem 0;
        padding: 0.7rem 1rem;
        font-size: 0.95rem;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-bottom: 2px solid #e0e7ef; /* u786eu4fbau79fbu52a8u7aefu6709u4e0bu8fb9u6846 */
    }
    
    .hero-btn-outline:hover {
        border-bottom: 2px solid #2563eb;
    }
    
    .intro-ai {
        padding: 1.5rem 1.5rem 2.5rem 1.5rem;
        margin-top: -0.5rem;
    }
    
    .intro-ai h2 {
        font-size: 1.3rem;
        line-height: 1.4;
    }
    
    .intro-main {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .intro-list {
        font-size: 0.9rem;
        line-height: 1.5;
        padding-left: 0.5rem;
    }
    
    .features, .subscribe-section, .download {
        padding: 2rem 1rem;
    }
    
    .features h2, .subscribe-title, .download h2 {
        font-size: 1.3rem;
        margin-bottom: 1.2rem;
    }
    
    /* 优化移动端间距和留白 */
    .features-list {
        gap: 1rem;
        margin: 1.5rem 0;
    }
    
    .feature-item {
        padding: 1.2rem 1rem;
    }
    
    .subscribe-card {
        padding: 1.2rem 1rem;
        width: 100%;
        max-width: 100%;
        margin: 0.5rem auto;
    }
    
    .plan-price {
        font-size: 1.6rem;
    }
    
    .plan-benefits li {
        font-size: 0.9rem;
    }
    
    .download-buttons {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .download-btn {
        width: 100%;
        padding: 0.8rem 1rem;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .modal-content {
        width: 90%;
        padding: 2rem 1rem;
    }
    
    #waitingListModal .waiting-form {
        padding: 1rem 0.8rem;
    }
    
    .input-group {
        width: 100%;
    }
    
    .input-group input {
        padding: 0.8rem 1rem 0.8rem 2.5rem;
    }
    
    .footer, .beian-section {
        padding: 1.5rem 1rem;
    }
    
    .application-cases {
        margin: 1.5rem auto;
    }
    
    .app-case {
        padding: 1.2rem 0.8rem;
    }
    
    /* 修复移动端导航 */
    .nav-links li a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}

/* 专门针对横屏的优化 */
@media screen and (max-width: 896px) and (orientation: landscape) {
    .hero-card {
        flex-direction: row;
        align-items: center;
    }
    
    .hero-left {
        width: 60%;
    }
    
    .hero-right {
        width: 40%;
    }
    
    .modal-content {
        max-height: 80vh;
        overflow-y: auto;
    }
}

/* 添加页脚在移动端的特殊样式 */
@media screen and (max-width: 768px) {
    footer .footer-content {
        justify-content: center;
        padding-right: 0;
    }
    
    footer .footer-section {
        text-align: center;
        width: auto;
        margin-left: auto;
        margin-right: auto;
        padding-right: 30px;
    }
    
    footer .footer-section h3 {
        margin-right: 0;
    }
    
    footer .social-links {
        justify-content: center;
        margin-right: 0;
        padding-right: 30px;
    }
}

/* 针对更小屏幕的页脚微调 */
@media screen and (max-width: 480px) {
    footer .footer-content {
        padding-right: 0;
    }
    
    footer .footer-section {
        padding-right: 20px;
    }
    
    footer .social-links {
        padding-right: 20px;
    }
}

@media screen and (max-width: 768px) {
    /* 导航栏优化 */
    .navbar {
        padding: 0 1rem !important;
        height: 54px !important;
    }
    
    /* Hero区域优化 - 向下移动一点 */
    .hero {
        padding: 5rem 0 3rem 0 !important; /* 大幅增加顶部内边距，往下移20% */
        height: auto !important;
        min-height: auto !important;
        margin-top: 54px !important;
    }
}

/* 新的解决方案盒子样式 */
.solution-box {
    max-width: 1100px;
    margin: 0 auto;
    background: #fff;
    border-radius: 1.2rem;
    box-shadow: 0 8px 30px rgba(37,99,235,0.10);
    overflow: hidden;
    border: 1px solid #e5eaf3;
    transition: all 0.3s ease;
    position: relative;
    padding: 2rem;
}

.solution-box:hover {
    box-shadow: 0 15px 40px rgba(37,99,235,0.15);
    transform: translateY(-5px);
}

.solution-header {
    padding: 0.5rem 1rem 1.5rem;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}

.solution-header:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, rgba(37,99,235,0.2), rgba(37,99,235,0.8), rgba(37,99,235,0.2));
    border-radius: 3px;
}

.solution-icon-main {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #ebf2ff 0%, #d5e3ff 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 20px rgba(37,99,235,0.12);
    position: relative;
    z-index: 1;
}

.solution-icon-main:before {
    content: "";
    position: absolute;
    width: 120%;
    height: 120%;
    background: rgba(37,99,235,0.06);
    border-radius: 50%;
    z-index: -1;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.2;
    }
    100% {
        transform: scale(0.95);
        opacity: 0.5;
    }
}

.solution-icon-main i {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.solution-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.solution-desc {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: #64748b;
    line-height: 1.5;
}

/* 更美观宽松的功能列表样式 */
.solution-features-compact {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    margin: 2.5rem 0;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.feature-group {
    flex: 1;
    min-width: 250px;
    background: linear-gradient(145deg, #ffffff, #f8faff);
    border-radius: 1rem;
    padding: 1.8rem 1.8rem;
    border: 1px solid #e9edf7;
    position: relative;
    overflow: hidden;
    transition: all 0.25s ease;
    box-shadow: 0 5px 15px rgba(37,99,235,0.07);
}

.feature-group:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(37,99,235,0.12);
}

.feature-group:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #4f87fb);
}

.feature-group-title {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.feature-group-title h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #334155;
    margin: 0;
}

.feature-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: linear-gradient(135deg, #ebf2ff 0%, #d5e3ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 15px rgba(37,99,235,0.12);
}

.feature-icon i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.feature-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-group ul li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
    color: #475569;
    font-size: 1.05rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px dashed rgba(37,99,235,0.08);
    transition: transform 0.2s ease;
}

.feature-group ul li:hover {
    transform: translateX(5px);
    color: #334155;
}

.feature-group ul li:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.feature-group ul li i {
    color: #ffffff;
    font-size: 0.9rem;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    box-shadow: 0 3px 8px rgba(37,99,235,0.15);
}

.solution-action {
    text-align: center;
    margin-top: 2rem;
}

.contact-btn {
    background: linear-gradient(90deg, #2563eb 0%, #1e40af 100%);
    color: #fff;
    border: none;
    border-radius: 2rem;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(37,99,235,0.15);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    position: relative;
    overflow: hidden;
}

.contact-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: all 0.6s ease;
}

.contact-btn:hover:before {
    left: 100%;
}

.contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(37,99,235,0.25);
}

/* 移动端适配样式 */
@media screen and (max-width: 992px) {
    .solution-features-compact {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .feature-group {
        width: 100%;
    }
}

@media screen and (max-width: 768px) {
    .solution-box {
        padding: 1.5rem;
        margin: 0 1rem;
        border-radius: 1rem;
    }
    
    .solution-header {
        padding: 0.5rem 0 1rem;
    }
    
    .solution-icon-main {
        width: 70px;
        height: 70px;
        margin-bottom: 1.2rem;
    }
    
    .solution-title {
        font-size: 1.6rem;
    }
    
    .solution-desc {
        font-size: 1rem;
        padding: 0 0.5rem;
    }
    
    .feature-group {
        padding: 1.5rem;
    }
    
    .feature-group-title h4 {
        font-size: 1.1rem;
    }
    
    .feature-group ul li {
        font-size: 1rem;
        padding-bottom: 0.7rem;
        margin-bottom: 0.8rem;
    }
    
    .contact-btn {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }
}

@media screen and (max-width: 480px) {
    .subscribe-section {
        padding: 2.5rem 1rem;
    }
    
    .solution-box {
        padding: 1.2rem;
        box-shadow: 0 5px 20px rgba(37,99,235,0.08);
    }
    
    .solution-header {
        padding: 0.5rem 0 1.2rem;
    }
    
    .solution-header:after {
        width: 60px;
    }
    
    .solution-icon-main {
        width: 60px;
        height: 60px;
    }
    
    .solution-icon-main i {
        font-size: 2rem;
    }
    
    .solution-title {
        font-size: 1.4rem;
        margin-bottom: 0.7rem;
    }
    
    .solution-desc {
        font-size: 0.95rem;
    }
    
    .solution-features-compact {
        margin: 1.5rem 0;
        gap: 1.2rem;
    }
    
    .feature-group {
        padding: 1.2rem;
        border-radius: 0.8rem;
    }
    
    .feature-group-title {
        margin-bottom: 1rem;
    }
    
    .feature-icon {
        width: 36px;
        height: 36px;
    }
    
    .feature-icon i {
        font-size: 1rem;
    }
    
    .feature-group ul li {
        font-size: 0.9rem;
        padding-bottom: 0.6rem;
        margin-bottom: 0.7rem;
        gap: 0.6rem;
    }
    
    .feature-group ul li i {
        width: 20px;
        height: 20px;
        font-size: 0.8rem;
    }
    
    .solution-action {
        margin-top: 1.5rem;
    }
    
    .contact-btn {
        padding: 0.8rem 1.8rem;
        font-size: 0.95rem;
        border-radius: 1.5rem;
    }
}

/* 额外的移动端增强 */
@media screen and (max-width: 375px) {
    .solution-features-compact {
        margin: 1.2rem 0;
    }
    
    .feature-group {
        padding: 1rem;
    }
    
    .feature-group ul li {
        font-size: 0.85rem;
        padding-bottom: 0.5rem;
        margin-bottom: 0.6rem;
    }
    
    .solution-action {
        margin-top: 1rem;
    }
    
    .contact-btn {
        width: 100%;
        justify-content: center;
    }
}

/* 视频区块样式优化 */
.video-section {
  text-align: center;
  margin-bottom: 2.5rem;
}
.video-section video {
  max-width: 600px;
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(37,99,235,0.10);
  background: #f8fafc;
  margin: 0 auto;
  display: block;
}
.video-section .cta-button {
  display: inline-block;
  padding: 0.7em 2em;
  font-size: 1.1rem;
  border-radius: 10px;
  background: linear-gradient(90deg,#2563eb 0%,#60a5fa 100%);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  margin-top: 1.2rem;
  box-shadow: 0 2px 8px rgba(37,99,235,0.08);
  transition: background 0.3s, box-shadow 0.3s, transform 0.2s;
}
.video-section .cta-button:hover {
  background: linear-gradient(90deg,#1d4ed8 0%,#38bdf8 100%);
  box-shadow: 0 4px 16px rgba(37,99,235,0.15);
  transform: translateY(-2px) scale(1.03);
}

/* 移动端适配 */
@media (max-width: 700px) {
  .video-section video {
    max-width: 100vw;
    border-radius: 10px;
  }
  .video-section .cta-button {
    width: 90vw;
    font-size: 1rem;
    padding: 0.8em 0;
    margin-top: 1rem;
  }
  .video-section {
    margin-bottom: 1.5rem;
  }
}

/* intro-ai区块左右两栏布局及移动端适配 */
.intro-flex {
  display: flex;
  align-items: center; /* 垂直居中 */
  justify-content: center;
  gap: 3.5rem;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
}
.intro-video {
  flex: 0 0 360px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.intro-text {
  flex: 1;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
@media (max-width: 900px) {
  .intro-flex {
    flex-direction: column;
    align-items: center;
    gap: 1.2rem;
  }
  .intro-video {
    width: 100%;
    max-width: 100vw;
  }
  .intro-text {
    width: 100%;
    min-width: 0;
    align-items: center;
    text-align: left;
  }
}