ry_app/static/scss/cross-platform.scss

/* 跨平台兼容样式文件 */

/* ==================== 基础重置 ==================== */

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

html, body {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

/* ==================== 平台检测 ==================== */

/* H5平台 */
/* #ifdef H5 */
page {
  background-color: #f5f7fa;
}
/* #endif */

/* App平台 */
/* #ifdef APP-PLUS */
page {
  background-color: #f5f7fa;
  padding-top: var(--status-bar-height, 0px);
}
/* #endif */

/* 微信小程序 */
/* #ifdef MP-WEIXIN */
page {
  background-color: #f5f7fa;
}
/* #endif */

/* ==================== 像素比处理 ==================== */

/* 高像素比设备（Retina屏幕） */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .border-1px {
    position: relative;
  }

  .border-1px::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 200%;
    border: 1px solid var(--border-color, #e0e0e0);
    transform: scale(0.5);
    transform-origin: 0 0;
    pointer-events: none;
  }
}

/* 超高像素比设备 */
@media (-webkit-min-device-pixel-ratio: 3), (min-resolution: 288dpi) {
  .border-1px::after {
    width: 300%;
    height: 300%;
    transform: scale(0.333);
  }
}

/* ==================== 字体优化 ==================== */

/* 修复移动端字体模糊 */
.text-blur-fix {
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* 字体大小适配 */
.font-size-adaptive {
  font-size: calc(16px + (20 - 16) * ((100vw - 320px) / (750 - 320)));
}

@media (min-width: 750px) {
  .font-size-adaptive {
    font-size: 20px;
  }
}

@media (max-width: 320px) {
  .font-size-adaptive {
    font-size: 16px;
  }
}

/* ==================== 布局兼容 ==================== */

/* Flex布局兼容 */
.flex {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
}

.flex-center {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.flex-between {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -ms-flex-pack: justify;
  justify-content: space-between;
}

.flex-column {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
}

/* Grid布局兼容 */
.grid {
  display: -ms-grid;
  display: grid;
}

/* ==================== 滚动优化 ==================== */

/* 修复移动端滚动 */
.scroll-fix {
  -webkit-overflow-scrolling: touch;
  overflow-y: auto;
  overflow-x: hidden;
}

/* 隐藏滚动条但保留功能 */
.scrollbar-hide::-webkit-scrollbar {
  display: none;
}

.scrollbar-hide {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* ==================== 点击优化 ==================== */

/* 修复移动端点击延迟 */
.fast-click {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* 点击反馈 */
.clickable {
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.clickable:active {
  opacity: 0.7;
}

/* ==================== 图片优化 ==================== */

/* 图片自适应 */
.img-responsive {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 图片懒加载占位 */
.img-placeholder {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: placeholder-loading 1.5s infinite;
}

@keyframes placeholder-loading {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* ==================== 文本优化 ==================== */

/* 文本省略 */
.text-ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.text-ellipsis-2 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
}

.text-ellipsis-3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==================== 安全区域 ==================== */

/* 刘海屏适配 */
.safe-area-top {
  padding-top: constant(safe-area-inset-top);
  padding-top: env(safe-area-inset-top);
}

.safe-area-bottom {
  padding-bottom: constant(safe-area-inset-bottom);
  padding-bottom: env(safe-area-inset-bottom);
}

.safe-area-left {
  padding-left: constant(safe-area-inset-left);
  padding-left: env(safe-area-inset-left);
}

.safe-area-right {
  padding-right: constant(safe-area-inset-right);
  padding-right: env(safe-area-inset-right);
}

.safe-area-all {
  padding: constant(safe-area-inset-top) constant(safe-area-inset-right) constant(safe-area-inset-bottom) constant(safe-area-inset-left);
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

/* 横屏适配 */
@media screen and (orientation: landscape) {
  .safe-area-bottom {
    padding-bottom: constant(safe-area-inset-left);
    padding-bottom: env(safe-area-inset-left);
  }

  .safe-area-top {
    padding-top: constant(safe-area-inset-right);
    padding-top: env(safe-area-inset-right);
  }
}

/* ==================== 平台特定样式 ==================== */

/* H5平台特定样式 */
/* #ifdef H5 */
.h5-only {
  display: block;
}

@media (hover: hover) {
  .hover-effect:hover {
    opacity: 0.8;
    cursor: pointer;
  }
}
/* #endif */

/* App平台特定样式 */
/* #ifdef APP-PLUS */
.app-only {
  display: block;
}

/* 状态栏高度适配 */
.status-bar-height {
  height: var(--status-bar-height, 20px);
}
/* #endif */

/* 微信小程序特定样式 */
/* #ifdef MP-WEIXIN */
.mp-weixin-only {
  display: block;
}
/* #endif */

/* ==================== 响应式断点优化 ==================== */

/* 超小屏设备 */
@media screen and (max-width: 320px) {
  .container {
    padding: 10px;
  }

  .grid-item {
    width: 50%;
  }
}

/* 小屏设备 */
@media screen and (min-width: 321px) and (max-width: 375px) {
  .container {
    padding: 12px;
  }

  .grid-item {
    width: 33.33%;
  }
}

/* 中等屏设备 */
@media screen and (min-width: 376px) and (max-width: 414px) {
  .container {
    padding: 14px;
  }

  .grid-item {
    width: 25%;
  }
}

/* 大屏设备 */
@media screen and (min-width: 415px) and (max-width: 768px) {
  .container {
    padding: 16px;
  }

  .grid-item {
    width: 20%;
  }
}

/* 超大屏设备 */
@media screen and (min-width: 769px) {
  .container {
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
  }

  .grid-item {
    width: 16.66%;
  }
}

/* ==================== 动画优化 ==================== */

/* 硬件加速 */
.hardware-accelerate {
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-perspective: 1000;
  perspective: 1000;
}

/* 平滑过渡 */
.smooth-transition {
  -webkit-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== 工具类 ==================== */

/* 清除浮动 */
.clearfix::after {
  content: '';
  display: table;
  clear: both;
}

/* 居中 */
.center {
  margin-left: auto;
  margin-right: auto;
}

/* 隐藏元素 */
.hidden {
  display: none !important;
}

/* 可见性 */
.invisible {
  visibility: hidden;
}

/* 绝对定位 */
.absolute {
  position: absolute;
}

/* 相对定位 */
.relative {
  position: relative;
}

/* 固定定位 */
.fixed {
  position: fixed;
}

/* 层级 */
.z-1 {
  z-index: 1;
}

.z-10 {
  z-index: 10;
}

.z-100 {
  z-index: 100;
}

.z-1000 {
  z-index: 1000;
}