/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 微软雅黑, PingFang SC;
}

body {
    width: 100vw;
    overflow-x: hidden;
    background: #f5f5f5;
}

/* 顶部导航栏 */
/* 顶部导航栏 */
.top-nav {
  background: white;
  padding: 10px 16px;
  border-bottom: 1px solid #eee;
}

.search-bar-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.search-icon, .download-icon {
  font-size: 18px;
  color: #666;
}

.search-bar-wrapper input {
  flex: 1;
  height: 36px;
  background: #f5f5f5;
  border: none;
  border-radius: 18px;
  padding: 0 16px;
  font-size: 14px;
  color: #999;
}

.tab-bar {
  display: flex;
  justify-content: center; /* 让三个Tab在页面居中 */
  gap: 40px;
}

.tab-item {
  font-size: 16px;
  color: #999;
  padding: 5px 0;
  position: relative; /* 为下划线做定位 */
}

.tab-item.active {
  color: #ff6700; /* 橘红色 */
  font-weight: bold;
}

/* 榜单下面的橘红色加粗横线 */
.tab-item.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #ff6700; /* 橘红色 */
}

/* APP列表 */
.app-list {
    background: white;
    margin-top: 10px;
}

.app-item {
    display: flex;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid #eee;
}

.rank {
  width: 20px;
  text-align: center;
  font-size: 18px;
  font-weight: normal;
  color: #333;
  margin-right: 10px;
}

.rank-top3 {
  font-weight: bold;
  color: #ff6700; /* 橘红色 */
}

.app-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    margin-right: 16px;
}

.app-info {
    flex: 1;
}

.app-name {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 4px;
}

.app-desc {
    font-size: 12px;
    color: #999;
}

/* APP按钮样式 */
.app-btn {
    width: 60px;
    height: 32px;
    border: none;
    border-radius: 16px;
    font-size: 14px;
}

.app-btn.open {
    background: white;
    color: #00C853;
    border: 1px solid #00C853;
}

.app-btn.update {
    background: white;
    color: #ff9800;
    border: 1px solid #ff9800;
}

.app-btn.install {
    background: #00C853;
    color: white;
}

/* Toast提示 */
.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* 绝对居中 */
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 12px 20px; /* 增加内边距，让文字更舒展 */
    border-radius: 8px;
    font-size: 14px;
    display: none;
    z-index: 999;
    max-width: 80%; /* 限制最大宽度，避免文字太宽 */
    text-align: center; /* 关键：文字水平居中，换行后也居中 */
    white-space: normal; /* 允许文字换行（默认是nowrap，取消掉） */
}


/* 底部导航 */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  display: flex;
  justify-content: center; /* 三个图标在页面居中 */
  gap: 60px;
  padding: 10px 0;
  border-top: 1px solid #eee;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 12px;
  color: #666;
}

.nav-icon {
  font-size: 20px;
  margin-bottom: 4px;
}

/* 详情页Header */
.detail-header {
    background: white;
    padding: 10px 16px;
    border-bottom: 1px solid #eee;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.back-btn {
    font-size: 20px;
    color: #333;
}

.header-icons {
    display: flex;
    gap: 15px;
    font-size: 18px;
    color: #333;
}

.app-info-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.app-large-icon {
    width: 80px;
    height: 80px;
    border-radius: 16px;
}

.app-title-info {
    flex: 1;
}

.app-name-large {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 4px;
}

.app-developer {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.app-tags {
    display: flex;
    gap: 8px;
}

.tag {
    font-size: 12px;
    color: #00C853;
    background: #e8f5e9;
    padding: 2px 8px;
    border-radius: 4px;
}

.app-stats {
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    border-top: 1px solid #eee;
}

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

.stat-value {
    font-size: 15px;
    font-weight: bold;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    color: #666;
}

/* Tab切换栏 */
.tab-bar {
    display: flex;
    background: white;
    border-bottom: 1px solid #eee;
}

.tab-item {
    flex: 1;
    text-align: center;
    padding: 12px 0;
    font-size: 16px;
    color: #666;
    position: relative;
}

.tab-item.active {
    color: #ff6700;
    font-weight: bold;
}

.tab-item.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 2px;
    background: #ff6700;
}

/* Tab内容区域 */
.tab-content {
    display: none;
    padding: 16px;
    background: white;
}

.tab-content.active {
    display: block;
}

.screenshots {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    margin-bottom: 15px;
}

.screenshot {
    width: 240px;
    height: 160px;
    border-radius: 8px;
    object-fit: cover;
}

.app-intro {
    font-size: 14px;
    color: #333;
    line-height: 1.6;
    margin-bottom: 15px;
}

.app-version-info {
    font-size: 12px;
    color: #666;
    line-height: 1.8;
}

/* 评论区评分板 */
.score-board {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.score-main {
    font-size: 48px;
    font-weight: bold;
    color: #ff6700;
}

.score-info {
    flex: 1;
}

.score-count {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.star-bars {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.star-bar {
    height: 4px;
    background: #e0e0e0;
    border-radius: 2px;
}

.star-bar:first-child {
    background: #00C853;
}

/* 评论筛选栏 */
.comment-filters {
    display: flex;
    gap: 15px;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.filter {
    font-size: 14px;
    color: #666;
    padding: 4px 12px;
    border-radius: 16px;
    background: #f5f5f5;
}

.filter.active {
    background: #00C853;
    color: white;
}

/* 评论列表 */
.comment-list {
    padding: 10px 0;
}

.comment-item {
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.comment-user {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-info {
    flex: 1;
}

.user-name {
    font-size: 14px;
    font-weight: 500;
}

.comment-time {
    font-size: 12px;
    color: #999;
}

.comment-like {
    font-size: 14px;
    color: #666;
}

.comment-stars {
    color: #ff6700;
    font-size: 12px;
    margin-bottom: 8px;
}

.comment-text {
    font-size: 14px;
    color: #333;
    line-height: 1.6;
}

/* 底部操作栏 */
.bottom-action-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 10px 16px;
    border-top: 1px solid #eee;
}

.install-btn {
    width: 100%;
    height: 48px;
    background: #00C853;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
}

/* 下载进度条样式 */
.progress-container {
    width: 100%;
    height: 48px;
    background: #00a848;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: #00C853;
    transition: width 0.3s linear;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 16px;
    font-weight: bold;
}

/* 返回按钮里的图标样式 */
.back-icon {
  width: 15px;    /* 调整图标宽度，根据你图片大小改 */
  height: 15px;   /* 高度和宽度保持一致，避免变形 */
  vertical-align: middle;  /* 让图标和旁边文字垂直居中 */
}

/* 保持返回按钮的点击区域 */
.back-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px;
  cursor: pointer;
}


/* 全局重置（确保页面铺满屏幕） */
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* 闪屏页样式 */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000; /* 全黑背景 */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.logo {
    width: 100px;
    height: 100px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.slogan {
    font-size: 20px;
    color: #e0e0e0;
    font-weight: 300;
}

/* 隐私弹窗样式 */
.privacy-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6); /* 半透明遮罩 */
    display: none; /* 默认隐藏 */
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    z-index: 1000;
}

.modal-content {
    background-color: #f0f7f0; /* 浅绿底色，贴合小清新风格 */
    border-radius: 20px;
    padding: 25px;
    max-width: 400px;
    width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.modal-title {
    font-size: 24px;
    font-weight: bold;
    margin: 0 0 18px 0;
    color: #222;
}

.privacy-content {
    flex: 1;
    overflow-y: auto; /* 超出部分滚动 */
    line-height: 1.7;
    font-size: 16px;
    color: #333;
    margin-bottom: 20px;
    padding-right: 10px; /* 避免滚动条遮挡文字 */
    text-indent: 2em;
}


.modal-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-disagree {
    background-color: #e8e8e8;
    color: #999;
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
}

.btn-agree {
    background-color: #00c853;
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* 同意按钮置灰状态（B组初始状态） */
.btn-agree:disabled {
    background-color: #a5d6a7;
    color: #e0e0e0;
    cursor: not-allowed;
}



/* 登录页全局样式 */
.login-page {
    width: 100%;
    min-height: 100vh;
    padding: 60px 24px 40px;
    position: relative;
    background: #fff;
}

.close-btn {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 28px;
    color: #333;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-header {
    margin-bottom: 48px;
    text-align: center;
}

.login-title {
    font-size: 28px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.login-subtitle {
    font-size: 16px;
    color: #999;
}

.input-group {
    margin-bottom: 24px;
    position: relative;
}


/* 用户名输入框样式，风格与手机号、验证码输入框一致 */
.username-group {
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e5e5e5;
    width: 100%;
}
.username-input {
    width: 100%;
    height: 48px;
    /* 加强重置，彻底消除浏览器默认样式 */
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    background: transparent !important;
    -webkit-appearance: none !important;
    appearance: none !important;
    
    font-size: 18px;
    color: #333;
    padding-left: 0;
    border-radius: 0;
    text-align: left;
}

/* 统一用父元素:focus-within控制底部边框颜色（更规范，避免input自身加边框） */
.username-group:focus-within,
.phone-group:focus-within,
.code-group:focus-within {
    border-bottom-color: #00c853;
}

/* 移除原input:focus的border-bottom，避免重复渲染 */
.username-input:focus,
.phone-input:focus,
.code-input:focus {
    border-bottom: none;
    outline: none;
}

/* ------------- 原手机号/验证码样式保留 ------------- */
.phone-group {
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e5e5e5;
}

.phone-prefix {
    font-size: 18px;
    color: #333;
    padding-right: 12px;
    border-right: 1px solid #e5e5e5;
    margin-right: 12px;
}

.phone-input {
    flex: 1;
    height: 48px;
    border: none;
    outline: none;
    font-size: 18px;
    color: #333;
}

.code-group {
    border-bottom: 1px solid #e5e5e5;
}

.code-input {
    width: 100%;
    height: 48px;
    border: none;
    outline: none;
    font-size: 18px;
    color: #333;
    padding-left: 0;
}




.agreement-group {
    display: flex;
    align-items: flex-start;
    margin-bottom: 32px;
}

.agreement-checkbox {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: #00c853;
    cursor: pointer;
}

.agreement-text {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    margin-left: 8px;
    flex: 1;
}

.agreement-link {
    color: #00c853;
    text-decoration: none;
    cursor: pointer;
}

.action-btn {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.action-btn:disabled {
    background-color: #e8e8e8;
    color: #b3b3b3;
    cursor: not-allowed;
}

.action-btn:not(:disabled) {
    background-color: #00c853;
    color: #fff;
}

/* 短信通知弹窗（适配手机端换行显示） */
.notification {
    position: fixed;
    top: -60px; 
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 14px 24px; /* 充足内边距，换行后不挤 */
    border-radius: 8px;
    font-size: 14px;
    z-index: 9999;
    transition: all 0.3s ease;
    max-width: 85%; /* 缩小最大宽度，适配手机屏幕 */
    min-width: 240px; /* 最小宽度适配小屏手机 */
    text-align: center; /* 文字居中 */
    opacity: 0;
    /* 关键：删除 white-space: nowrap，允许文字自动换行 */
    line-height: 1.5; /* 增加行高，换行后更易读 */
}

.notification.show {
    top: 20px;
    opacity: 1;
}

/* 错误提示弹窗 */
.error-toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 14px;
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
    text-align: center; /* 核心：文字居中 */
    max-width: 80%; /* 可选：限制宽度，避免文字过长撑满屏幕 */
}

.error-toast.show {
    opacity: 1;
}


.action-btn {
    width: 100%;
    height: 48px;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    /* 默认不可用状态样式 */
    background-color: #e8e8e8;
    color: #b3b3b3;
}

/* 可用状态样式（手机号+协议都满足） */
.action-btn.active {
    background-color: #00c853;
    color: #fff;
}



/* ========== 第五页视频适配（抖音终极版：左右无黑框+上下可黑框） ========== */
.page5-container {
    width: 100vw;
    height: 100vh;
    position: relative;
    overflow: hidden;
    background: #000; /* 上下黑框区域填充黑色 */
    font-family: -apple-system, PingFang SC, Helvetica Neue, sans-serif;
    z-index: 1;
}

/* 顶部/底部/右侧栏样式保留不变，仅修改视频核心样式 */
.page5-top-nav {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    background: rgba(0,0,0,0.2);
    z-index: 9999; /* 修复：提升层级，不被视频覆盖 */
}
.page5-nav-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}
.page5-menu-icon {
    margin-right: 16px;
}
.page5-search-icon {
    margin-left: 16px;
}
.page5-nav-text {
    color: #fff;
    font-size: 16px;
    margin: 0 8px;
}
.page5-nav-text.page5-active {
    font-weight: bold;
    position: relative;
}
.page5-nav-text.page5-active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: #fff;
}

/* 视频核心容器（关键：左右无黑框，上下可黑框） */
.page5-video-wrapper {
    width: 100vw;
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center; /* 视频垂直居中（上下黑框对称） */
    justify-content: center; /* 视频水平居中（但宽度强制100vw，左右无黑框） */
}
/* 视频播放器（抖音终极适配逻辑） */
.page5-video-player {
    width: 100vw; /* 强制左右铺满，无黑框 */
    max-height: 100vh; /* 上下最多铺满屏幕，不超出 */
    object-fit: cover; /* 核心：左右铺满，上下完整则留黑框，超出则裁剪（仅极端情况） */
    object-position: center; /* 裁剪/居中时始终保留画面中心 */
    z-index: 1; /* 修复：降低视频层级，最底层 */
}

/* 暂停图标（居中显示） */
.page5-pause-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    opacity: 0.7;
    z-index: 9999; /* 修复：最高层级，可点击可见 */
}
/* 左下角视频信息 */
.page5-video-info {
    position: absolute;
    bottom: 80px;
    left: 16px;
    z-index: 9999; /* 修复：提升层级 */
}
.page5-author-nick {
    color: #fff;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 4px;
}
.page5-video-desc {
    color: #fff;
    font-size: 14px;
    line-height: 1.4;
}

/* 右侧垂直交互栏 */
.page5-right-bar {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    opacity: 0.9;
    z-index: 9999; /* 修复：提升层级，可点击 */
}
.page5-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px solid #fff;
}
.page5-bar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}
.page5-bar-icon {
    width: 30px;
    height: 30px;
    margin-bottom: 4px;
}
.page5-bar-num {
    color: #fff;
    font-size: 14px;
    text-shadow: 0 0 4px rgba(0,0,0,0.7);
}

/* 底部导航栏 */
.page5-bottom-nav {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 49px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    background: rgba(0,0,0,0.8);
    z-index: 9999; /* 修复：提升层级 */
}
.page5-bottom-text {
    color: #999;
    font-size: 14px;
    position: relative;
}
.page5-bottom-text.page5-active {
    color: #fff;
    font-weight: bold;
}
.page5-bottom-text.page5-active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: #fff;
}
.page5-bottom-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

/* 禁止选中文字 + 横竖屏适配 */
.page5-container * {
    user-select: none;
    -webkit-user-select: none;
    touch-action: pan-y;
}
/* 横竖屏切换时强制适配 */
@media screen and (orientation: landscape) {
    .page5-video-player {
        width: 100vw;
        max-height: 100vh;
    }
}
@media screen and (orientation: portrait) {
    .page5-video-player {
        width: 100vw;
        max-height: 100vh;
    }
}