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

html, body {
  width: 100vw;
  height: 100vh;
  background: #eee;
  overflow: hidden;   
  font-family: "Microsoft YaHei", "微软雅黑", sans-serif;
}

#app{
  display:flex;
  gap: 10px;
  margin:8px;              
  width:calc(100vw - 16px);     
  height:calc(100vh - 16px);    
  max-width:calc(100vw - 16px);
  max-height:calc(100vh - 16px);
  overflow:hidden;
  background:transparent;
}

/* 菜单栏 */
.menu {
  display: flex;
  gap: 10px;
  flex: 0 0 50px; 
  flex-direction: column;
}
.menu button {
  display: flex;
  gap: 5px;
  justify-content: center;
  align-items: center; 
  flex-direction: column;
  border: none;
  background: none;
  cursor: pointer;
  padding: 5px;
  border-radius: 5px;
}
.home img {
  width: 25px;
  height: 28px;
}
.menu button:hover{
  background: #ffffffff;
}
.menu button.poop {
  background: #ffffffff;
}

/* 右侧 */
.caozuo {
  display: flex;
  gap: 10px;
  width: 100%;
  box-sizing: border-box;
}

/* 操作区 */
.md {
  display: flex;
  position: relative;
  flex: 50%;
  flex-direction: column;
  background: #ffffffff;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  overflow: auto;
  scrollbar-width: none; 
  -ms-overflow-style: none; 
}

/* 简历内容 */
.cvresume {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}
.editor-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(2px); 
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10; 
  opacity: 0;
  visibility: hidden;
}
.cvresume:hover .editor-overlay {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}
.startbtn {
  padding: 10px;
  font-size: 15px;
  color: #fff;
  width: 100px;
  background: #0066cc;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s ease;
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}
/* 编辑器 */
.validateInput {
  padding: 10px;
  width: 100%;
  height: 100%;
  line-height: 2;
  resize: none;
  outline: none;
  border: none;
  font-family: 'Microsoft YaHei', 'Microsoft YaHei UI', 'SimHei', '黑体', Arial, sans-serif;
}
.editor-tool {
  position: sticky;
  top: 0px;
  color: #4b4b4bff;
  display: flex;
  gap: 6px;
  background: #ffffffff;
  width: 100%;
  padding: 5px 10px 5px 10px;
  border-radius: 8px 8px 0 0;
  align-items: center; 
  border-bottom: 1px solid #eeeeeeff;
}
.editor-tool button {
  position: relative;
  display: flex;
  color: #4b4b4bff;
  justify-content: center;
  align-items: center; 
  border: none;
  background: none;
  cursor: pointer;
  border-radius: 2px;
  padding: 3px;
  width: 21px;
  height: 21px;
}
.editor-tool button:hover{
  background: #ebebebff;
}
.save {
  display: flex;
  gap: 5px;
  font-size: 12px;
  color: #302569ff;
}
.success {
  display: flex;
  width: 12px;
  height: 12px;
  color: #302569ff;
}
.load {
  display: none;
  width: 12px;
  height: 12px;
  transform-origin: center;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
#popup {
  display: flex;
  gap: 5px;
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: #f5f5f5;
  border: 1px solid #ccc;
  border-radius: 20px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  z-index: 9999;
  font-size: 14px;
  width: auto;
  height: auto;
  max-width: 600px;
  max-height: 500px;
  padding: 5px 12px 12px 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  justify-content: center;
  align-items: flex-end;
}
.aipop {
  display: flex;
  gap: 5px;
  width: 100%;
}
.aipop button {
  display: flex;
  justify-content: center;
  align-items: center; 
  background: #ddddddff;
  color: #3123f1ff;
  border: none;
  cursor: pointer;
}
.aipop button:hover {
  background: #000000ff;
  color: #ffffffff;
}
.aipo {
  display: flex;
  justify-content: center;
  align-items: center; 
  border-radius: 20px;
  padding: 8px;
}
.aitol {
  display: flex;
  flex-direction: column;
  gap: 5px;
  justify-content: center;
}
.cvxz {
  display: flex;
  gap: 5px;
  margin: 10px 0 5px 0;
  width: 100%;
  align-items: center; 
  color: #bebebeff;
}
.ainput {
  display: flex;
  padding: 5px;
  width: 530px;
  height: 50px;
  line-height: 1.6;
  resize: none;
  outline: none;
  border: none;
  font-family: 'Microsoft YaHei', 'Microsoft YaHei UI', 'SimHei', '黑体', Arial, sans-serif;
  border-radius: 5px;
  margin: 5px 0 0 0;
}
.aizk {
  display: flex;
  justify-content: center;
  color: #8f8f8fff;
  justify-content: center;
  align-items: center; 
  flex-direction: column;
  border: none;
  background: none;
  cursor: pointer;
}
.aidk {
  display: flex;
  margin: 7px 0 0 -3px;
  justify-content: center;
  align-items: center; 
  width: 15px;
  height: 15px;
  flex-direction: column;
  border: none;
  background: none;
  cursor: pointer;
}
.aiss {
  display: none;
  flex-direction: column;
}
.aicvsc {
  display: flex;
  gap: 10px;
  width: 100%;
  max-height: 340px;
  overflow: auto;
}
.aitx {
  display: flex;
  justify-content: center;
  align-items: center; 
  border-radius: 20px;
  background: #ddddddff;
  padding: 3px;
  width: 25px;
  height: 25px;
}
.aineiron {
  display: flex;
  flex-direction: column;
  width: 100%;
  white-space: normal;
}
.aineiron div {
  margin: 0 0 5px 0;
}
.ainrfz {
  display: none;
  gap: 5px;
  width: 100%;
  padding: 0 0 0 30px;
  margin: 0 0 10px 0;
}
.ainrfz button {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center; 
  color: #858585ff;
  border-radius: 5px;
  padding: 3px;
  width: 20px;
  height: 20px;
  flex-direction: column;
  border: none;
  background: none;
  cursor: pointer;
}
.ainrfz button:hover {
  background: #ddddddff;
}
/* 气泡本体 */
.ainrfz button::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: 100%;  
  transform: translateX(-50%) translateY(-4px);
  background: #000;
  color: #fff;
  font-size: 12px;
  white-space: nowrap;
  padding: 4px 8px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
.ainrfz button:hover::after {
  opacity: 1;
}
@keyframes refresh-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(-360deg); } 
}
.aisckp {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
}
.ainr {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

/* 证件照 */
.cvphoto {
  display: none;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  padding: 20px;
}
.canvasWrap {
  display: flex;
  width: 400px;
  height: 546px;
  border: 1px dashed #ccc;
  justify-content: center;
  align-items: center; 
  padding: 20px;
}
.controls {
  display: flex;
  gap: 5px;
  width: 100%;
}
.controls button {
  display: flex;
  justify-content: center;
  align-items: center; 
  border: none;
  background: none;
  cursor: pointer;
  border-radius: 5px;
  padding: 10px;
  background: #fff;
  border: 1px solid #eeeeeeff;
  height: 40px;
}
.controls button:hover {
  background: #27569b;
  color: #ffffffff;
}
.tishi {
  color: #c9c9c9ff;
  font-size: 13px;
}
#preview {
  position: absolute;
  color: #eeeeeeff;
  width: 230px;
  height: 300px;
}

/* 简历模板 */
.cvtemplate {
  display: none;
  flex-wrap: wrap;
  gap: 10px;
  width: 100%;
  height: 100%;
  padding: 20px;
}
.cvtemplate img {
  border-radius: 5px;
  width: 284px;
  height: 406px;
  border: 2px solid #eeeeeeff;
  transform-origin: top left;
}
.cvtemplate img.scale-70 {
  transform: scale(0.5);
}
.cvtemplate img:hover {
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.07);
}
.cvtemplate img:focus {
  border: 2px solid #27569b;
}
.img.toop {
  border: 2px solid #27569b;
}
.cc.toop {
  border: 2px solid #000000ff;
}

/* 简历排版 */
.cvarrange {
  display: none;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  height: 100%;
  padding: 20px;
}
.title {
  font-size: 18px;
  font-weight: bold;
  margin: 10px 0 0 0;
}
#city-wrapper {
  position:relative;
  width:200px;
}
select {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 40px;
  padding: 0 30px 0 12px;
  font-size: 14px;
  color: #333;
  background: #fff;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  cursor: pointer;
  transition: border-color .3s;
}
select:hover { border-color: #007bff; }
select:focus { outline: none; border-color: #007bff; }
#city-wrapper::after {
  content: "";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid #666;
  pointer-events: none;
}
.gd {
  display: flex;
  gap: 5px;
}
.gdsz {
  display: flex;
  padding: 5px;
  font-size: 12px;
  border-radius: 5px;
  background: #f4f4f4;
}
.gd input {
  display: flex;
  width: 100%;
}

/* 简历颜色 */
.cvcolor {
  display: none;
  flex-wrap: wrap;
  gap: 20px;
  padding: 10px;
  width: 60%;
}
.cc {
  display: flex;
  border-radius: 8px;
  width: 35px;
  height: 35px;
}
.cc:hover {
  outline: 2px solid #007bff;
}

/* AI助手 */
.cvassistant {
  display: none;
  gap: 10px;
  padding: 10px;
  width: 100%;
  height: 100%;
  flex-direction: column;
}
/* AI类型 */
.aifunction {
  display: flex;
  gap: 5px;
  padding: 5px;
  border-radius: 8px;
  background: #F4F4F5;
  width: 100%;
}
.aitool {
  display: flex;
  gap: 5px;
  justify-content: center;
  align-items: center; 
  border-radius: 8px;
  width: 100%;
  padding: 5px;
  text-align: center;
  font-weight: bold;
  color: #6d6d6dff;
}
.aitool:hover {
  background: #ffffffff;
  color: #000;
  outline: 1px solid #ddddddff;
}
.aitool.aipool {
  background: #ffffffff;
  color: #000;
  outline: 1px solid #ddddddff;
}
/* AI输出 */
.cvaifunction {
  display: flex;
  flex-direction: column;
  gap: 5px;
  justify-content: center;
  align-items: center; 
  border-radius: 8px;
  width: 100%;
  height: 100%;
  max-height: calc(100% - 50px);
  background: #d6d6d6ff;
  padding: 5px;
}
.cvai {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  align-items: center; 
  width: 50%;
  height: 100%;
}
.msai {
  display: none;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  align-items: center; 
  width: 50%;
  height: 100%;
}
.zyai {
  display: none;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  align-items: center; 
  width: 50%;
  height: 100%;
}
.cvsv {
  display: flex;
  border-radius: 10px;
  padding: 15px;
  justify-content: center;
  align-items: center; 
  color: #6e6e6eff;
  background: #ffffffff;
  width: 50px;
  height: 50px;
  box-shadow: 0 4px 12px rgba(114, 114, 114, 0.3);
  margin: 0 0 6px 0;
}
.con1 {
  display: flex;
  gap: 10px;
  flex-direction: column;
  border-radius: 8px;
  color: #6e6e6eff;
  background: #ecececff;
  width: 100%;
  margin: 0 0 5px 0;
}
.coo {
  display: flex;
  justify-content: center;
  align-items: center; 
}
.coc {
  border-radius: 8px;
  padding: 15px;
  margin: 5px;
  background: #ffffffff;
}
.cop {
  display: flex;
  gap: 5px;
  flex-direction: column;
  justify-content: center;
}
.con {
  display: flex;
  gap: 5px;
  border-radius: 8px;
  background: #ffffffff;
  width: 100%;
  padding: 15px 5px 15px 5px;
}
.aititle {
  font-size: 22px;
  font-weight: bold;
  color: #10B984;
}
.aimd {
  font-size: 15px;
  color: #636363ff;
  text-align: center;
  margin: 0 0 20px 0;
}
.c1 {
  font-size: 18px;
  font-weight: bold;
  color: #000000ff;
}
.c2 {
  font-size: 15px;
  color: #808080ff;
}
.aigenerate, .aiproblem, .aiplanning, .vvpb {
  display: flex;
  gap: 5px;
  justify-content: center;
  align-items: center; 
  border: none;
  background: none;
  outline: none;
  cursor: pointer;
  border-radius: 8px;
  background: linear-gradient(90deg, #10B984, #22b486ff);
  font-size: 15px;
  color: #ffffffff;
  width: 100%;
  padding: 10px;
  margin: 10px 0 0 0;
}
.scai {
  position: relative;
  display: none;
  flex-direction: column;
  border-radius: 8px;
  background: #ffffffff;
  width: 100%;
  height: 100%;
}
.sctitlo {
  position: sticky;
  display: flex;
  gap: 5px;
  padding: 10px;
  align-items: center; 
  border-radius: 8px 8px 0 0;
  border-bottom: 1px solid #d1d1d1ff; 
}
.sctitle {
  display: flex;
  font-size: 15px;
  font-weight: bold;
}
.scmd {
  display: flex;
  flex-direction: column;
  padding: 10px;
  font-size: 14px;
  border-radius: 0 0 8px 8px;
  overflow: auto;
}
.scmd h1 {
  margin: 5px 0 5px 0;
}
.scmd h2 {
  margin: 5px 0 5px 0;
}
.scmd h3 {
  margin: 5px 0 5px 0;
}
.scmd,.aifanyi div {
  line-height: 1.5;
  margin: 5px 0 5px 0;
}
.scmd hr {
  background: #e9e9e9ff;
  min-height: 1px;
  height: 1px;
  border: none;
  margin: 5px 0 5px 0;
  overflow: hidden;
}
.scmd div {
 margin: 0 0 5px 0;
}
.zs-ir {
  color: rgb(0, 0, 0);
}
.loading {
  font-size: 13px;
  color: #888888ff;
}
.dots::after {
  content: '';
  display: inline-block;
  animation: dots 1.5s infinite steps(4, end);
  width: 20px;
  text-align: left;
}
@keyframes dots {
  0% { content: ''; }
  25% { content: '.'; }
  50% { content: '..'; }
  75% { content: '...'; }
  100% { content: ''; }
}
.sccl {
  display: none;
  position: sticky;
  right: 0px;
  gap: 5px;
  justify-content: center;
  align-items: center; 
  border: none;
  background: none;
  outline: none;
  cursor: pointer;
  border-radius: 8px;
  background: linear-gradient(90deg, #10B984, #22b486ff);
  font-size: 13px;
  color: #ffffffff;
  padding: 1px 10px 1px 10px;
}

/* 模拟面试 */
.cvinterview {
  display: none;
  width: 100%;
  height: 100%;
}

/* 简历翻译 */
.cvtranslation {
  display: none;
  flex-direction: column;
  width: 100%;
  height: 100%;
  padding: 10px;
}
.fanyi {
  display: flex;
  flex-direction: column;
  padding: 10px;
  width: 100%;
  border-radius: 8px;
  background: #ffffffff;
  box-shadow: 0 2px 8px rgba(153, 153, 153, 0.1);
  border: 1px solid rgba(204, 204, 204, 0.2);
}
.fytitle {
  display: flex;
  gap: 6px;
  font-size: 16px;
  font-weight: bold;
  align-items: center; 
}
.fyxx {
  display: flex;
  gap: 10px;
  width: 100%;
}
.fycc {
  display: flex;
  font-size: 12px;
  color: #b3b3b3ff;
  margin: 5px 0 10px 0;
}
.lfanyi {
  display: flex;
  gap: 5px;
  justify-content: center;
  align-items: center; 
  border: none;
  background: none;
  outline: none;
  cursor: pointer;
  border-radius: 8px;
  background: linear-gradient(90deg, #10B984, #22b486ff);
  font-size: 15px;
  color: #ffffffff;
  width: 200px;
  padding: 10px;
}
.xfanyi {
  display: none;
  gap: 5px;
  justify-content: center;
  align-items: center; 
  border: none;
  background: none;
  outline: none;
  cursor: pointer;
  border-radius: 8px;
  background: linear-gradient(90deg, #4d29ebff, #6328d1ff);
  font-size: 15px;
  color: #ffffffff;
  width: 200px;
  padding: 10px;
}
.yituan {
  display: flex;
  flex-direction: column;
  padding: 10px;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  background: #ffffffff;
  box-shadow: 0 2px 8px rgba(153, 153, 153, 0.1);
  border: 1px solid rgba(204, 204, 204, 0.2);
  margin: 15px 0 0 0;
  color: #b6b6b6ff;
  overflow: auto;
}
.fanyikong {
  display: flex;
  flex-direction: column;
  gap: 5px;
  justify-content: center;
  align-items: center; 
  padding: 10px;
  width: 100%;
  height: 100%;
  color: #dbdbdbff;
}
.fanyiai {
  display: none;
  flex-direction: column;
  width: 100%;
}
.aifanyi {
  display: flex;
  flex-direction: column;
  padding: 10px;
  width: 100%;
  height: 100%;
  color: #000;
}
.aifanyi h1 {
  margin: 5px 0 5px 0;
}
.aifanyi h2 {
  margin: 5px 0 5px 0;
}
.aifanyi h3 {
  margin: 5px 0 5px 0;
}
.aifanyi div {
  line-height: 1.5;
  margin: 5px 0 5px 0;
}
.aifanyi hr {
  background: #e9e9e9ff;
  min-height: 1px;
  height: 1px;
  border: none;
  margin: 5px 0 5px 0;
  overflow: hidden;
}
.aifanyi div {
 margin: 0 0 5px 0;
}
.fywa {
  margin: 5px 0 5px 0;
}
.fytb {
  display: flex;
  gap: 5px;
  justify-content: center;
  align-items: center; 
  padding: 10px;
  background: #f7f7f7ff;
  color: #007bff;
  border-radius: 20px;
}

/* 预览区 */
.word {
  display: flex;
  position: relative;
  flex: 50%;
  gap: 10px;
  flex-direction: column;
  background: #E7E7E7;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  overflow: auto;
  scrollbar-width: none; 
  -ms-overflow-style: none; 
  border: 1px solid #e7e7e7ff;
}
.top {
  position: sticky;
  top: 0px;
  display: flex;
  color: #ffffffff;
  background: #27569b;
  justify-content: center;
  align-items: center; 
  width: 100%;
  font-size: 12px;
  border-radius: 8px 8px 0 0;
  padding: 7px;
}
.png {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center; 
  flex-direction: column;
  margin: 10px;
}
.png img {
  width: 80%;
  box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.1);
}
.tool {
  position: sticky;
  display: flex;
  justify-content: center;
  align-items: center; 
  width: 50%;
  gap: 20px;
  background: #ffffffff;
  border-radius: 30px;
  box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.1);
  border: 1px solid #e7e7e7ff;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  padding: 3px;
}
.tool button {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center; 
  border: none;
  background: none;
  cursor: pointer;
  border-radius: 5px;
  padding: 3px;
}
.tool button:hover {
  background: #e9ddffff;
}
.tool svg {
  width: 18px;
  height: 18px;
  color: #383838ff;
}
/* 气泡本体 */
.tool button::after {
  content: attr(data-tooltip);
  position: absolute;
  left: 50%;
  bottom: 100%;  
  transform: translateX(-50%) translateY(-4px);
  background: #000;
  color: #fff;
  font-size: 12px;
  white-space: nowrap;
  padding: 4px 8px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
.tool button:hover::after {
  opacity: 1;
}
@keyframes refresh-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(-360deg); } 
}
.refresh {
  transform-origin: center center;
  transition: transform 0.2s ease;
}
.refresh.rotating svg {
  animation: refresh-spin 1s linear infinite;
}

/* 轻量提示弹窗 */
#topFloat{
    position:fixed;
    top:12px;
    left:50%;
    transform:translateX(-50%);
    max-width:90%;
    padding:10px 18px;
    border-radius:4px;
    font-size:14px;
    color:#fff;
    background:rgba(0,0,0,.75);
    box-shadow:0 2px 8px rgba(0,0,0,.25);
    opacity:0;
    transition:opacity .3s ease;
    z-index:9999;
    pointer-events:none;   /* 淡化时不可点 */
}
#topFloat.show{
    opacity:1;
    pointer-events:auto;
}

/* 禁止点击效果 */
.disabled-click {
  pointer-events: none;
  opacity: 0.6;    
  cursor: not-allowed;  
}

/* 统一设置所有滚动容器的滚动条样式 */
::-webkit-scrollbar {
  display: none;
  width: 5px;  
  height: 5px;
}
::-webkit-scrollbar-track {
  background: #f7f7f7ff;
  border-radius: 2px;    
}
::-webkit-scrollbar-thumb {
  background: #bebebeff;     
  border-radius: 2px;   
}
::-webkit-scrollbar-thumb:hover {
  background: #aaa;      
}
.custom-scrollbar {
  overflow-y: auto;
}
.custom-scrollbar::-webkit-scrollbar {
  width: 5px; 
}

/* ===== 小手机竖屏 ≤375px（iPhone SE～13 mini） ===== */
@media (max-width: 375px) {
  .caozuo { flex-direction: column; }
}

/* ===== 主流手机竖屏 376–414px（iPhone 12/13/14/15 系列、安卓 1080×2400） ===== */
@media (min-width: 376px) and (max-width: 414px) {
  .caozuo { flex-direction: column; }
}

/* ===== 大手机 / 小折叠屏内屏 415–539px ===== */
@media (min-width: 415px) and (max-width: 539px) {
  .caozuo { flex-direction: column; }
}

/* ===== 折叠屏展开 / 小平板 540–703px（Galaxy Z Fold 内屏 6.2″=515px，华为 X5 内屏 7.85″=692px） ===== */
@media (min-width: 540px) and (max-width: 703px) {
  .caozuo { flex-direction: column; }
}

/* ===== 标准平板竖屏 704–833px（iPad 768px、iPad mini 744px、安卓 800px） ===== */
@media (min-width: 704px) and (max-width: 833px) {
  .caozuo { flex-direction: column; }
}

/* ===== 平板横屏 / 小笔电 834–1024px（iPad Pro 11″ 834px、Surface Pro 1024px） ===== */
@media (min-width: 834px) and (max-width: 1024px) {
  
}

/* ===== 主流笔记本 / 桌面 1025–1365px（1366×768 老笔电、1440×900 MBA） ===== */
@media (min-width: 1025px) and (max-width: 1365px) {
  
}

/* ===== 高分桌面 1366–1599px（1920×1080、1920×1200） ===== */
@media (min-width: 1366px) and (max-width: 1599px) {
  
}

/* ===== 2K/2.5K 屏 1600–1919px（2560×1440、2560×1600） ===== */
@media (min-width: 1600px) and (max-width: 1919px) {
  
}

/* ===== 4K/UHD 1920px+（3840×2160 缩放到 1920px） ===== */
@media (min-width: 1920px) {
  
}