.must-hero {
  padding: 44px 0 40px;
  color: #fff;
  background: radial-gradient(circle at 78% -20%, rgba(116, 172, 255, .78), transparent 38%), linear-gradient(115deg, #183f99, #3479eb);
}

.must-hero .container {
  position: relative;
}

.must-hero small,
.must-category header small {
  color: #bdd3ff;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;
}

.must-hero h1 {
  margin: 4px 0 5px;
  font-size: 36px;
  letter-spacing: 0;
}

.must-hero p {
  margin: 0;
  color: #d9e5ff;
  font-size: 15px;
}

.must-hero .container > span {
  position: absolute;
  right: 0;
  bottom: 4px;
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 8px;
  background: rgba(18, 63, 153, .32);
  color: #edf4ff;
  font-weight: 700;
}

.must-hero .container > span i {
  margin-right: 6px;
}

.must-page {
  padding-top: 42px;
  padding-bottom: 64px;
}

.must-category + .must-category {
  margin-top: 48px;
}

.must-category > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.must-category > header > div {
  display: flex;
  align-items: center;
  gap: 11px;
}

.must-category > header > div > span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #eaf2ff;
  color: #347ae8;
  font-size: 16px;
}

.must-category header small {
  color: #87a8df;
}

.must-category h2 {
  margin: 1px 0 0;
  color: #303b4d;
  font-size: 23px;
  letter-spacing: 0;
}

.must-category > header > b {
  color: #8994a5;
  font-size: 13px;
}

.must-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.must-card {
  min-width: 0;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  padding: 24px 19px 20px;
  overflow: hidden;
  border: 1px solid #e8edf5;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(30, 57, 96, .04);
  transition: transform .22s ease, border-color .22s ease, background .22s ease, box-shadow .22s ease;
}

.must-card:hover {
  transform: translateY(-4px);
  border-color: #bcd7ff;
  background: #f8fbff;
  box-shadow: 0 16px 30px rgba(49, 117, 220, .13);
}

.must-version {
  overflow: hidden;
  color: #acb2bc;
  font-size: 13px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.must-card > strong {
  overflow: hidden;
  margin-top: 13px;
  color: #3e4859;
  font-size: 20px;
  font-weight: 500;
  line-height: 1.25;
  white-space: nowrap;
  text-overflow: ellipsis;
  transition: color .22s ease;
}

.must-card > small {
  min-height: 42px;
  display: -webkit-box;
  overflow: hidden;
  margin-top: 10px;
  color: #a6abb3;
  font-size: 14px;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  transition: color .22s ease;
}

.must-card-bottom {
  min-height: 102px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  padding-top: 20px;
}

.must-icon-orbit {
  width: 92px;
  height: 92px;
  display: grid;
  place-items: center;
  position: relative;
  flex: 0 0 92px;
  border: 2px solid transparent;
  border-radius: 50%;
  transition: border-color .25s ease, box-shadow .25s ease;
}

.must-icon-orbit::after {
  width: 9px;
  height: 9px;
  position: absolute;
  top: 50%;
  left: 50%;
  content: "";
  box-sizing: border-box;
  margin: -4.5px 0 0 -4.5px;
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 50%;
  background: transparent;
  box-shadow: 0 1px 3px rgba(50, 128, 232, .16);
  opacity: 0;
  transform: rotate(0deg) translateX(45px);
}

.must-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 17px;
  background: #eaf2ff;
  color: #347ae8;
  box-shadow: 0 6px 13px rgba(30, 54, 88, .2);
  font-size: 25px;
}

.must-icon img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.must-arrow {
  padding-right: 2px;
  color: #cbd7e8;
  font-size: 26px;
  transition: transform .22s ease, color .22s ease;
}

.must-card:hover .must-icon-orbit {
  border-color: #4d9cff;
  box-shadow: 0 0 0 4px rgba(77, 156, 255, .065);
}

.must-card:hover .must-icon-orbit::after {
  background: #4d9cff;
  opacity: 1;
  animation-name: must-orbit-dot;
  animation-duration: var(--orbit-duration, 3.8s);
  animation-delay: var(--orbit-delay, 0s);
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-direction: normal;
}

.must-card:hover .must-arrow {
  color: #2379ec;
  transform: translateX(6px);
}

.must-card:hover > strong {
  color: #4692fb;
}

.must-card:hover > small {
  color: #7f9dc7;
}

.must-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 28px;
  border: 1px dashed #d8e1ee;
  border-radius: 8px;
  background: #fafcff;
  color: #929baa;
  text-align: center;
}

@keyframes must-orbit-dot {
  from { transform: rotate(0deg) translateX(45px); }
  to { transform: rotate(360deg) translateX(45px); }
}

@media (max-width: 1050px) {
  .must-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .must-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .must-hero { padding: 34px 0 31px; }
  .must-hero h1 { font-size: 30px; }
  .must-hero .container > span { position: static; display: inline-flex; margin-top: 15px; }
  .must-page { padding-top: 32px; padding-bottom: 45px; }
  .must-category + .must-category { margin-top: 38px; }
  .must-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
  .must-card { min-height: 276px; padding: 20px 16px 17px; }
  .must-card > strong { font-size: 18px; }
  .must-icon-orbit { width: 80px; height: 80px; flex-basis: 80px; }
  .must-icon { width: 54px; height: 54px; }
}

@media (max-width: 410px) {
  .must-grid { grid-template-columns: 1fr; }
  .must-card { min-height: 250px; }
}