:root {
    --primary-color: #1677ff; /* Ant Design 蓝色 */
    --primary-gradient: linear-gradient(135deg, #1677ff 0%, #69b1ff 100%);
    --primary-light: rgba(22, 119, 255, 0.1);
    --danger-color: #ff4d4f; /* Ant Design 红色 */
    --danger-light: rgba(255, 77, 79, 0.1);
    --success-color: #52c41a;
    --text-dark: #1f1f1f;
    --text-gray: #8c8c8c;
    --bg-color: #f0f2f5;
    --card-bg: #ffffff;
    --sidebar-bg: #ffffff;
    --app-bg: #f5f7fa;
    --shadow-soft: 0 6px 16px -8px rgba(0,0,0,0.08);
    --shadow-hover: 0 9px 28px 8px rgba(0,0,0,0.05);
    --hero-bg-start: #e6f4ff;
    --hero-bg-end: #f0f5ff;
}

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

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px; /* 宽度更细 */
    height: 8px; /* 横向滚动条高度 */
}

::-webkit-scrollbar-track {
    background: transparent; /* 轨道完全透明 */
}

::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.15); /* 极淡的滑块，适应各种背景 */
    border-radius: 10px; /* 全圆角 */
    border: 2px solid transparent; /* 制造 padding 效果，让滑块看起来更细 */
    background-clip: content-box; /* 只在内容区域绘制背景 */
}

::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.4); /* 悬停时加深，提示可拖动 */
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-color);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul, ol {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 背景画布 */
#snowCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(180deg, #e3f2fd 0%, #f3e5f5 100%);
    pointer-events: none;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(22, 119, 255, 0.3);
}

.btn-secondary {
    background: white;
    color: var(--text-dark);
    border: 1px solid #e1e1e1;
}

.btn-lg {
    font-size: 1.1rem;
    padding: 14px 32px;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 15px 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.02);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a:not(.btn) {
    font-weight: 500;
    color: var(--text-dark);
}

.nav-links a:not(.btn):hover {
    color: var(--primary-color);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 恢复 .hero 的基础样式 */
.hero {
    padding-top: 140px;
    padding-bottom: 60px;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* 调整 features-grid 在 hero 中的样式 */
.hero .features-grid {
    margin-top: 60px;
    width: 100%;
}

/* 调整应用模拟区域的背景，使其与原来的 features 区域融合 */
.section.features {
    background-color: transparent; /* 或保持原样，视整体设计而定 */
    padding-top: 40px;
}

.hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 60px; /* 文字与图片间距 */
}

.badge-new {
    background: var(--primary-light);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    font-weight: 800;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 30px;
    justify-content: center;
    color: var(--text-gray);
    font-size: 0.95rem;
}

.stat-item i {
    color: var(--success-color);
    margin-right: 5px;
}

/* 应用界面模拟 */
.hero-image {
    margin-top: 0; /* 顶部边距由容器处理 */
    perspective: 1000px;
    width: 100%;
    display: flex;
    justify-content: center;
}

.app-window {
    background: var(--app-bg);
    border-radius: 16px;
    box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.18);
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    overflow: hidden;
    transform: rotateX(2deg);
    transition: transform 0.4s ease;
    border: 1px solid rgba(0,0,0,0.06);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    display: flex; /* 侧边栏+内容区布局 */
    min-height: 600px; /* 固定高度便于模拟 */
    text-align: left; /* 重置文本对齐 */
}

.app-window:hover {
    transform: rotateX(0deg) scale(1.01);
}

/* 侧边栏 */
.app-sidebar {
    width: 240px;
    background: var(--sidebar-bg);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid rgba(0,0,0,0.06);
    flex-shrink: 0; /* 防止收缩 */
}

.app-logo-pill {
    background: #f5f5f5;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    font-size: 1.2rem;
    width: fit-content;
}

/* 统一品牌色 */
.text-blue {
    color: #1890ff; /* 截图中的蓝色 */
    font-weight: 800;
}

.text-dark {
    color: #333; /* 截图中的黑色 */
    font-weight: 800;
}

/* 导航栏 Logo 调整 */
.logo {
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
}

/* 底部 Logo 调整 */
.footer-brand {
    font-size: 1.8rem; /* 增大字号 */
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px; /* Class 和 Push 之间的间距 */
}

/* 底部标语 */
.footer-tagline {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 24px;
    font-weight: 500;
}

/* 底部描述 */
.footer-desc {
    color: #888;
    font-size: 0.95rem;
    line-height: 1.8;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.menu-item {
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text-gray);
    font-size: 0.95rem;
    cursor: default;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    transition: all 0.2s;
}

.menu-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.menu-item.active {
    background: var(--primary-light);
    color: var(--primary-color);
}
.sidebar-footer {
    margin-top: auto;
    padding: 10px;
    color: #bfbfbf;
    font-size: 0.9rem;
    cursor: pointer;
    text-align: center; /* 图标居中 */
}/* 主内容区 */
.app-content {
    flex: 1;
    padding: 60px 40px 32px; /* 增加顶部内边距 */
    background: var(--app-bg);
    display: flex;
    flex-direction: column;
    gap: 24px;
    overflow-y: auto;
}

/* 应用内容区滚动条 */
.app-content::-webkit-scrollbar {
    width: 8px;
}

.app-content::-webkit-scrollbar-track {
    background: transparent;
}

.app-content::-webkit-scrollbar-thumb {
    background: #d9d9d9;
    border-radius: 4px;
}

.app-content::-webkit-scrollbar-thumb:hover {
    background: #bfbfbf;
}

.app-content h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    font-weight: 700;
    margin-bottom: 8px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.app-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(0,0,0,0.02);
}

.app-card h4 {
    font-size: 0.9rem;
    color: #8c8c8c;
    margin-bottom: 16px;
    font-weight: 500;
}

/* 时间卡片 */
.big-time {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1;
    margin-bottom: 8px;
    font-feature-settings: "tnum";
}

.sub-text {
    font-size: 0.85rem;
    color: #bfbfbf;
    margin-bottom: 24px;
}

.status-list {
    font-size: 0.85rem;
    color: #8c8c8c;
    line-height: 1.8;
}

.text-success { color: var(--success-color); font-weight: 600; }

/* 服务状态卡片 */
.service-status-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.status-dot {
    width: 10px;
    height: 10px;
    background: var(--success-color);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(82, 196, 26, 0.15);
}

.status-info {
    font-size: 0.85rem;
    color: #bfbfbf;
    margin-bottom: 24px;
}

.btn-app {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: default;
    border: none;
    transition: opacity 0.2s;
}

.btn-danger-block {
    background: var(--danger-color);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 77, 79, 0.2);
}

/* 快捷操作 */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.action-btn {
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: default;
    transition: all 0.2s;
    flex-direction: row;
}

.action-btn.primary-filled {
    background: var(--primary-color);
    color: white;
    border: 1px solid var(--primary-color);
    box-shadow: 0 4px 12px rgba(22, 119, 255, 0.2);
}

.action-btn.outline {
    background: white;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.action-btn.outline-danger {
    background: white;
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.log-toggle {
    color: #8c8c8c;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
}

/* 功能特性区域 */
.section {
    padding: 100px 0;
}

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

.section-header {
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.text-highlight {
    color: var(--primary-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 强制一行显示3个 */
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(22, 119, 255, 0.1);
}

.icon-box {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 25px;
}

.icon-purple { background: rgba(108, 92, 231, 0.1); color: #6c5ce7; }
.icon-green { background: rgba(82, 196, 26, 0.1); color: #52c41a; }
.icon-blue { background: rgba(22, 119, 255, 0.1); color: #1677ff; }
.icon-orange { background: rgba(253, 203, 110, 0.1); color: #fdcb6e; }
.icon-red { background: rgba(255, 77, 79, 0.1); color: #ff4d4f; }
.icon-cyan { background: rgba(0, 206, 201, 0.1); color: #00cec9; }

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* 工作流程区域 */
.workflow {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 100px;
}

.workflow-row {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 100px;
}

.workflow-row.vertical-layout {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    gap: 30px;
}

.workflow-row.vertical-layout .workflow-image {
    width: 100%;
    margin-top: 10px;
}

.workflow-row.reverse {
    flex-direction: row-reverse;
}

.workflow-content {
    flex: 1;
}

/* 视图切换按钮容器 */
.view-toggle-container {
    display: flex;
    background: #f0f2f5;
    padding: 4px;
    border-radius: 8px;
    width: fit-content;
    margin-top: 30px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
}

/* 切换按钮 */
.view-toggle-btn {
    padding: 10px 24px;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-gray);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.view-toggle-btn i {
    font-size: 1rem;
}

.view-toggle-btn:hover {
    color: var(--primary-color);
}

.view-toggle-btn.active {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* 视图内容切换 */
.view-content {
    display: none;
    width: 100%;
    height: 100%;
}

.view-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.workflow-image {
    flex: 1;
    background: transparent;
    border-radius: 20px;
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: visible;
}

.view-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: block;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: #f1f2f6;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #b2bec3;
    font-weight: 600;
}

.badge-feature {
    background: var(--primary-light);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 15px;
    display: inline-block;
}

.workflow-content h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.workflow-content p {
    color: var(--text-gray);
    margin-bottom: 30px;
}

.check-list li, .step-list li {
    margin-bottom: 12px;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.check-list i {
    color: var(--success-color);
}

.step-list {
    counter-reset: step;
}

.step-list li {
    position: relative;
    padding-left: 35px;
}

.step-list li::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 0;
    width: 24px;
    height: 24px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 24px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* 路线图 */
.roadmap-container {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-top: 50px;
    position: relative;
}

.roadmap-container::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #e1e1e1;
    z-index: 0;
}

.roadmap-item {
    background: white;
    padding: 30px;
    border-radius: 12px;
    flex: 1;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-soft);
    border-top: 4px solid #dfe6e9;
}

.roadmap-item.completed { border-top-color: var(--success-color); }
.roadmap-item.active { border-top-color: var(--primary-color); transform: scale(1.05); box-shadow: var(--shadow-hover); }
.roadmap-item.future { border-top-color: #74b9ff; }

.roadmap-icon {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    border: 2px solid #e1e1e1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: -55px auto 20px;
    font-size: 1.2rem;
    color: var(--text-gray);
}

.completed .roadmap-icon { border-color: var(--success-color); color: var(--success-color); background: #fff; }
.active .roadmap-icon { border-color: var(--primary-color); color: var(--primary-color); background: #fff; }

.roadmap-content h4 {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.roadmap-content p {
    font-size: 0.9rem;
    color: var(--text-gray);
}

/* 常见问题区域 */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
    transition: transform 0.2s;
    border: 1px solid #f1f2f6;
}

.faq-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

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

.faq-question h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.faq-answer {
    padding-left: 40px;
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-answer strong {
    color: var(--primary-color);
}

/* 页脚与关于合并 */
.footer {
    background: white;
    padding: 80px 0 30px;
    border-top: 1px solid #f0f0f0;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #1f1f1f;
    margin-bottom: 20px;
}

.brand-col {
    padding-right: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.footer-tagline {
    font-size: 0.95rem;
    color: #1f1f1f;
    font-weight: 500;
    margin-bottom: 15px;
}

.footer-desc {
    font-size: 0.9rem;
    color: #8c8c8c;
    line-height: 1.6;
}

.footer-links-list li {
    margin-bottom: 12px;
}

.footer-links-list a, .text-link {
    color: #595959;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s;
    text-decoration: none;
}

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

.footer-links-list i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    color: #8c8c8c; /* 默认图标颜色 */
}

/* 特定图标颜色覆盖 */
.footer-links-list a:hover i {
    color: inherit;
}

.fa-bilibili { color: #fb7299 !important; }

.footer-bottom-bar {
    border-top: 1px solid #f0f0f0;
    padding-top: 30px;
    text-align: center;
    color: #bfbfbf;
    font-size: 0.85rem;
}

/* 响应式页脚 */
@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .brand-col {
        padding-right: 0;
        text-align: center;
    }
    
    .footer-brand {
        justify-content: center;
    }
    
    .footer-col {
        text-align: center;
    }
    
    .footer-links-list a, .text-link {
        justify-content: center;
    }
}

/* 手机模拟器 */
.phone-mockup {
    width: 300px;
    height: 580px;
    border: 12px solid #333;
    border-radius: 40px;
    background: #f5f5f5; /* 微信背景色 */
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    margin: 0 auto;
    overflow: hidden;
    box-sizing: content-box; /* 确保边框不占用宽度 */
}

/* 顶部刘海 */
.phone-notch {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 24px;
    background: #333;
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 14px;
    z-index: 10;
}

/* 屏幕区域 */
.phone-screen {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    padding: 40px 12px 20px; /* 顶部避开刘海 */
    display: flex;
    flex-direction: column;
    gap: 20px;
    scrollbar-width: thin; /* Firefox */
    scrollbar-color: rgba(0,0,0,0.1) transparent; /* Firefox */
}

/* 手机内部滚动条美化 - 仿 iOS */
.phone-screen::-webkit-scrollbar {
    width: 3px; /* 极细 */
    background: transparent;
}
.phone-screen::-webkit-scrollbar-track {
    background: transparent;
    margin: 20px 0; /* 上下留白，避开圆角 */
}
.phone-screen::-webkit-scrollbar-thumb {
    background: rgba(0,0,0,0.15); /* 极淡的灰色 */
    border-radius: 10px;
}
.phone-screen::-webkit-scrollbar-thumb:hover {
    background: rgba(0,0,0,0.3); /* 悬停加深 */
}

/* 微信时间戳 */
.chat-timestamp {
    text-align: center;
    color: #b2b2b2;
    font-size: 0.75rem;
    margin: 10px 0 5px;
}

/* 微信推送模拟卡片调整 */
.wxpusher-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    width: 100%;
    max-width: 100%; /* 撑满手机屏幕 */
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    border: 1px solid #e5e5e5;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    font-size: 0.85rem;
}

/* 容器布局调整 */
.workflow-image {
    flex: 1;
    background: transparent;
    border-radius: 20px;
    box-shadow: none;
    display: flex;
    align-items: center;
    justify-content: center; /* 居中手机 */
    position: relative;
    overflow: visible;
    padding: 10px;
}

/* 移除不需要的旧样式 */
.no-class-card {
    opacity: 1;
    z-index: 1; 
    position: relative; 
    right: auto;
    bottom: auto;
}

/* 恢复并优化卡片内部样式 */
.wx-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: #000;
    margin-bottom: 6px;
    line-height: 1.4;
}

.balloon-icon {
    font-size: 3rem;
    animation: float 3s ease-in-out infinite;
    display: inline-block;
}

.wx-meta {
    font-size: 0.75rem;
    color: #999;
}

.wx-body {
    padding: 15px;
    background: #fff;
}

.wx-date {
    font-size: 0.95rem;
    font-weight: 700;
    color: #ff6b6b;
    margin-bottom: 12px;
}

.wx-course-item {
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.05);
    padding: 12px;
    margin-bottom: 12px;
    border-left: 3px solid #ff6b6b;
    position: relative;
}

.wx-line {
    margin-bottom: 4px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.wx-line:last-child { margin-bottom: 0; }

.wx-line.title { color: #2d3436; }
.wx-line.location { color: #0984e3; }
.wx-line.time { color: #e17055; }
.wx-line.teacher { color: #636e72; }
@media (max-width: 1200px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    
    .hero h1 { font-size: 2.5rem; }
    .hero-btns { flex-direction: column; }
    
    .workflow-row, .workflow-row.reverse {
        flex-direction: column;
        gap: 30px;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .roadmap-container {
        flex-direction: column;
    }
    .roadmap-container::before {
        width: 2px;
        height: 100%;
        left: 30px;
        top: 0;
    }
    
    .roadmap-icon {
        margin: 0 0 15px 0;
        float: left;
        margin-right: 15px;
    }
    
    .roadmap-item {
        margin-left: 20px;
    }

    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-links {
        flex-wrap: wrap;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .app-window {
        flex-direction: column;
        height: auto;
        min-height: auto;
    }
    
    .app-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(0,0,0,0.06);
        padding: 16px;
    }
    
    .app-logo-pill {
        margin-bottom: 16px;
    }
    
    .sidebar-menu {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 4px;
    }
    
    .menu-item {
        white-space: nowrap;
        padding: 8px 12px;
    }
    
    .sidebar-footer {
        display: none;
    }
    
    .app-content {
        padding: 20px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: 1fr 1fr;
    }
}