/*


 —— 01 字体系统  FONT SIZE SYSTEM (px)
10 / 12 / 14 / 16 / 18 / 20 / 24 / 30 / 36 / 44 / 52 / 62 / 74 / 86 / 98
 
 —— Font weight:
默认：400
medium： 500
Semi-bold: 600
Bold: 700

 —— Line height:
默认：1
1.05
1.6

 —— Letter spacing:
 -0.5px
 0.75px


默认 Default：1

 —— 02 颜色系统
 
—— Primary初始 ：#e67e22
—— Tints:#fdf2e9
—— Shadows:#cf711f
—— Accents:
—— Greys 灰度: 
#555
#333
#6f6f6f  on #fdf2e9

 —— 05 SHADOWS
box-shadow: 0 2.4rem 4.8rem rgba(0, 0, 0, 0.075);
 
 —— 06 BORDER-RADIUS
9PX
11PX

 —— 07 WHITE SPACE

 ——SPACING SYSTEM (px)
        2 / 4 / 8 / 12 / 16 / 24 / 32 / 48 / 64 / 80 / 96 / 128
 */
/**********************/
/* General  Reusable Components */
/**********************/
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  font-family: "Rubik", sans-serif;
  line-height: 1;
  font-weight: 400;
  color: #555;
  overflow: hidden;
}

.container {
  max-width: 120rem;
  /*内容居中*/
  margin: 0 auto;
  padding: 0 3.2rem;
}

.grid {
  display: grid;
  column-gap: 6.4rem;
  row-gap: 9.6rem;
}
/* .grid:last-child {
  margin-bottom: 0;
} */

.grid:not(:last-child) {
  margin-bottom: 9.6rem;
}

.grid--2-cols {
  grid-template-columns: repeat(2, 1fr);
}
.grid--3-cols {
  grid-template-columns: repeat(3, 1fr);
}
.grid--4-cols {
  grid-template-columns: repeat(4, 1fr);
}
/* .grid--5-cols {
  grid-template-columns: repeat(5, 1fr);
} */
.grid--center-v {
  align-items: center;
}

.heading-secondary,
.heading-primary .heading-tertiary {
  font-weight: 700;
  color: #333;
  letter-spacing: -0.5px;
  font-weight: 700;
}

.heading-primary {
  font-size: 5.2rem;
  line-height: 1.05;
  margin-bottom: 3.2rem;
}

.heading-secondary {
  font-size: 4.4rem;
  line-height: 1.2;
  margin-bottom: 9.6rem;
}
.heading-tertiary {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: 3.2rem;
}

.subheading {
  display: block;
  font-size: 1.6rem;
  font-weight: 500;
  color: #cf711f;
  text-transform: uppercase;
  margin-bottom: 1.6rem;
  letter-spacing: 0.75px;
}
.btn,
.btn:link,
.btn:visited {
  display: inline-block;
  font-size: 2rem;
  font-weight: 600;
  text-decoration: none;
  padding: 1.6rem 3.2rem;
  border-radius: 9px;
  border: none;
  cursor: pointer;
  font-family: inherit;

  transition: all 300ms;
  /*设置动画属性*/
}
.btn--full:link,
.btn--full:visited {
  background-color: #e67e22;
  color: #fff;
}

.btn--full:hover,
.btn--full:active {
  background-color: #cf711f;
}

.btn--outline:link,
.btn--outline:visited {
  background-color: #fff;
  color: #555;
}

.btn--outline:hover,
.btn--outline:active {
  background-color: #fdf2e9;
  box-shadow: inset 0 0 0 3px #fff;
}
.btn--form {
  background-color: #45260a;
  color: #fdf2e9;
  align-self: end;
  padding: 1.2rem;
}
.btn--form:hover {
  border-color: #fff;
  color: #555;
}

.link:link,
.link:visited {
  display: inline-block;
  color: #e67e22;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: all 0.3s;
}
.link:hover,
.link:active {
  color: #cf711f;
  border-bottom: 1px solid transparent;
}

.list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.list-item {
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  gap: 1.6rem;
  line-height: 1.2;
}
.list-icon {
  width: 3rem;
  height: 3rem;
  color: #e67e22;
}
*:focus {
  outline: none;
  box-shadow: 0 0 0 0.8rem rgba(230, 125, 34, 0.5);
}
/*HELPER CLASSES*/
.margin-right-sm {
  margin-right: 1.6rem !important;
}
.margin-bottom-md {
  margin-bottom: 4.8rem !important;
}

.center-text {
  text-align: center;
}
strong {
  font-weight: 500;
}