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

html,
body {
  background: #f4f6fb;
}

.page {
  position: relative;
  max-width: 1920px;
  margin: 0 auto;
  background: #fff;
}

.page img {
  display: block;
  width: 100%;
  height: auto;
}

.hotspot {
  position: absolute;
  z-index: 2;
  display: block;
  cursor: pointer;
  text-indent: -9999px;
  overflow: hidden;
}

/* 首页四个栏目卡片（相对 1920x1184） */
.hs-card-1 {
  left: 16.2%;
  top: 54%;
  width: 16.1%;
  height: 28%;
}

.hs-card-2 {
  left: 33.4%;
  top: 54%;
  width: 16.1%;
  height: 28%;
}

.hs-card-3 {
  left: 50.6%;
  top: 54%;
  width: 16.1%;
  height: 28%;
}

.hs-card-4 {
  left: 67.8%;
  top: 54%;
  width: 16.1%;
  height: 28%;
}

/* 内页顶栏回首页 */
.hs-home {
  left: 0;
  top: 0;
  width: 100%;
  height: 24%;
}

/* action-pledge 两个 CTA 按钮 */
.hs-btn-download {
  left: 18%;
  top: 62.5%;
  width: 30%;
  height: 12%;
}

.hs-btn-contact {
  left: 52%;
  top: 62.5%;
  width: 30%;
  height: 12%;
}

/* digital-education / teaching-grant 两个 PDF 下载按钮（左右并排） */
.hs-btn-pdf-left {
  left: 18%;
  top: 62.5%;
  width: 30%;
  height: 12%;
}

.hs-btn-pdf-right {
  left: 52%;
  top: 62.5%;
  width: 30%;
  height: 12%;
}

/* digital-education 申请服务按钮（居中） */
.hs-btn-apply {
  left: 35%;
  top: 66%;
  width: 30%;
  height: 11%;
}

/* 页脚联络 */
.hs-tel {
  left: 28%;
  top: 90.5%;
  width: 16%;
  height: 4.5%;
}

.hs-whatsapp {
  left: 45%;
  top: 90.5%;
  width: 18%;
  height: 4.5%;
}

.hs-fax {
  left: 64%;
  top: 90.5%;
  width: 16%;
  height: 4.5%;
}

/* PROJECT NEXT 页更高 (1920x3939)，顶栏/页脚按像素比例微调 */
.page-tall .hs-home {
  height: 12%;
}

.page-tall .hs-tel,
.page-tall .hs-whatsapp,
.page-tall .hs-fax {
  top: 96.8%;
  height: 2.2%;
}

/* PROJECT NEXT 教材套按鈕（相對 1920x3939） */
.hs-pn-btn {
  width: 9.896%;
  height: 2.412%;
}

.hs-pn-col-gx-ppt { left: 23.594%; }
.hs-pn-col-gx-plan { left: 34.479%; }
.hs-pn-col-cz-ppt { left: 55.781%; }
.hs-pn-col-cz-plan { left: 66.667%; }

.hs-pn-row-1 { top: 22.823%; }
.hs-pn-row-2 { top: 29.449%; }
.hs-pn-row-3 { top: 36.101%; }
.hs-pn-row-4 { top: 42.828%; }
.hs-pn-row-5 { top: 49.53%; }
.hs-pn-row-6 { top: 56.436%; }
.hs-pn-row-7 { top: 63.189%; }
.hs-pn-row-8 { top: 69.992%; }
.hs-pn-row-9 { top: 76.923%; }
.hs-pn-row-10 { top: 83.625%; }
.hs-pn-row-11 { top: 90.404%; }