@-webkit-keyframes kvLight {
  0% {
    left: -100%;
  }

  100% {
    left: 100%;
  }
}

@keyframes kvLight {
  0% {
    left: -100%;
  }

  100% {
    left: 100%;
  }
}

h1 {
  display: none;
}

.delighter.fadein.started {
  opacity: 1;
}

.delighter.fadein {
  opacity: 0;
  -webkit-transition: all 0.75s ease-out;
  transition: all 0.75s ease-out;
}

.delighter.fadeLeft.started {
  -webkit-transform: translateX(0px);
  transform: translateX(0px);
}

.delighter.fadeLeft {
  -webkit-transform: translateX(-50px);
  transform: translateX(-50px);
  -webkit-transition: all 0.5s ease-out;
  transition: all 0.5s ease-out;
}

.delighter.fadeRight.started {
  -webkit-transform: translateX(0px);
  transform: translateX(0px);
}

.delighter.fadeRight {
  -webkit-transform: translateX(50px);
  transform: translateX(50px);
  -webkit-transition: all 0.5s ease-out;
  transition: all 0.5s ease-out;
}

.delighter.fadeTop.started {
  opacity: 1;
  -webkit-transform: translateY(0px);
  transform: translateY(0px);
}

.delighter.fadeTop {
  opacity: 0;
  -webkit-transform: translateY(25px);
  transform: translateY(25px);
  -webkit-transition: all 0.5s ease-out;
  transition: all 0.5s ease-out;
}

html {
  scroll-behavior: smooth;
}

.mainarea {
  position: relative;
  overflow: hidden;
}
.mainarea img {
  display: block;
}
.mainarea figure {
  margin: 0;
  padding: 0;
}
.mainarea .pattern--1 {
  position: absolute;
  left: 15%;
  top: 40%;
  width: 12%;
  z-index: 4;
}
.mainarea .pattern--2 {
  position: absolute;
  right: 8%;
  top: 45%;
  width: 15%;
  z-index: 4;
}
.mainarea .pattern--3 {
  position: absolute;
  left: 3%;
  top: 70%;
  width: 11%;
  z-index: 4;
}
.mainarea .pattern--4 {
  position: absolute;
  right: 3%;
  top: 60%;
  width: 10%;
  z-index: 4;
}
.mainarea .kv {
  position: relative;
}
.mainarea .kv img {
  width: 100%;
}
.mainarea .kv__pdBoxWrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1;
}

.mainarea .kv__titleBox-mask {
  -webkit-mask: url(https://storage-asset.msi.com/event/2025/HK/2025-1111-Sales/images/kv-title.png)
    no-repeat;
  mask: url(https://storage-asset.msi.com/event/2025/HK/2025-1111-Sales/images/kv-title.png)
    no-repeat;
  -webkit-mask-size: cover;
  mask-size: cover;
  position: absolute;
  z-index: 2;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.mainarea .kv__titleBox-mask::before {
  content: "";
  position: absolute;
  background: -webkit-gradient(
    linear,
    right top,
    left top,
    from(rgba(255, 255, 255, 0)),
    color-stop(rgba(255, 255, 255, 0.5)),
    to(rgba(255, 255, 255, 0))
  );
  background: linear-gradient(
    to left,
    rgba(255, 255, 255, 0),
    rgba(255, 255, 255, 0.5),
    rgba(255, 255, 255, 0)
  );
  width: 30%;
  height: 100%;
  -webkit-animation: 4s kvLight infinite linear;
  animation: 4s kvLight infinite linear;
}

.mainarea .kv__titleBoxWrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}
.mainarea .kv__pdBox--2 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}
.mainarea .kv__pdBox--3 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}
.mainarea .kv__pdBox--4 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}

.mainarea .kv__titleBox--1 {
  position: relative;
  z-index: 1;
  width: 69%;
  margin: 15% auto;
}
.mainarea .kv__titleBox--2 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}
.mainarea .kv__titleBox--3 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}
@media (min-width: 996px) {
  .mainarea .kv__titleBox--1 {
    position: relative;
    z-index: 1;
    width: 43%;
    margin: 3% auto;
  }
}
.mainarea .kv__intel {
  display: none;
}
@media (min-width: 996px) {
  .mainarea .kv__intel {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    position: absolute;
    top: 36px;
    right: 36px;
    font-size: 24px;
    text-align: right;
    z-index: 20;
    color: #454543;
  }
}
.mainarea .kv__intel img {
  width: 75px;
  margin-left: auto;
  display: block;
}
.mainarea .kv__intel-textbox {
  font-size: 12px;
  color: #fff;
  text-shadow: 0 0 10px #000;
}
@media (min-width: 996px) {
  .mainarea .kv__intel-textbox {
    font-size: 11px;
    margin-right: 20px;
  }
}
.mainarea .promoAD {
  background: #000;
  padding: 0 0 3%;
}
.mainarea .contBox {
  background: url(https://storage-asset.msi.com/event/2025/HK/2025-1111-Sales/images/bg.jpg)
    no-repeat top center;
  background-size: cover;
}
@-webkit-keyframes floatUp-01 {
  0%,
  100% {
    -webkit-transform: translateY(0) rotate(0deg);
    transform: translateY(0) rotate(0deg);
  }
  50% {
    -webkit-transform: translateY(-15px) rotate(4deg);
    transform: translateY(-15px) rotate(4deg);
  }
}
@keyframes floatUp-01 {
  0%,
  100% {
    -webkit-transform: translateY(0) rotate(0deg);
    transform: translateY(0) rotate(0deg);
  }
  50% {
    -webkit-transform: translateY(-15px) rotate(4deg);
    transform: translateY(-15px) rotate(4deg);
  }
}
@-webkit-keyframes floatUp-02 {
  0%,
  100% {
    -webkit-transform: translateY(-10px) rotate(0deg);
    transform: translateY(-10px) rotate(0deg);
  }
  50% {
    -webkit-transform: translateY(0px) rotate(4deg);
    transform: translateY(0px) rotate(4deg);
  }
}
@keyframes floatUp-02 {
  0%,
  100% {
    -webkit-transform: translateY(-10px) rotate(0deg);
    transform: translateY(-10px) rotate(0deg);
  }
  50% {
    -webkit-transform: translateY(0px) rotate(4deg);
    transform: translateY(0px) rotate(4deg);
  }
}

/* KV pdBox 依序上下漂浮动画 */
@keyframes floatPdBox {
  0%,
  100% {
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
  50% {
    -webkit-transform: translateY(-20px);
    transform: translateY(-20px);
  }
}

.mainarea .kv__pdBox--1 {
  animation: floatPdBox 3s ease-in-out infinite;
  animation-delay: 0s;
}

.mainarea .kv__pdBox--2 {
  animation: floatPdBox 3s ease-in-out infinite;
  animation-delay: 0.75s;
}

.mainarea .kv__pdBox--3 {
  animation: floatPdBox 3s ease-in-out infinite;
  animation-delay: 1.5s;
}

.mainarea .kv__pdBox--4 {
  animation: floatPdBox 3s ease-in-out infinite;
  animation-delay: 2.25s;
}

/* KV titleBox--2 一直显示 */
.mainarea .kv__titleBox--2 {
  opacity: 1 !important;
}

/* KV titleBox--3 每1秒闪烁一次，更自然的效果 */
@keyframes blinkTitleBox3 {
  0% {
    opacity: 0;
    filter: brightness(0.8);
  }
  15% {
    opacity: 1;
    filter: brightness(1.5);
  }
  25% {
    opacity: 1;
    filter: brightness(1.5);
  }
  35% {
    opacity: 0;
    filter: brightness(0.8);
  }
  100% {
    opacity: 0;
    filter: brightness(0.8);
  }
}

.mainarea .kv__titleBox--3 {
  animation: blinkTitleBox3 1.5s ease-in-out infinite;
  animation-delay: 0.3s;
}

/* promoAD hover 光晕效果 */
.mainarea .promoAD__imgBox {
  transition: filter 0.3s ease;
  animation: hoverEffect 2s infinite;
}
@keyframes hoverEffect {
  0%,
  100% {
    filter: brightness(1.2) drop-shadow(0 0 5px rgba(225, 0, 255, 0.6))
      drop-shadow(0 0 10px rgba(255, 0, 255, 0.6))
      drop-shadow(0 0 20px rgba(255, 0, 255, 0.6));
  }
  50% {
    filter: brightness(1) drop-shadow(0 0 0 rgba(255, 255, 255, 0));
  }
}
.mainarea .promoAD__imgBox:hover {
  animation: none;
}

/* ===== INTRO SECTION ===== */
.intro {
  position: relative;
  z-index: 3;
  text-align: center;
  background-color: #000;
  padding: 50px 0;
}

@media (min-width: 996px) {
  .intro {
    padding: 100px 0;
  }
}

.intro h1.common-title {
  padding: 0;
}

.intro h3 {
  font-size: min(max(2.5vw, 30px), 24px);
  padding-bottom: 20px;
  color: #ff00ff;
  font-weight: bold;
}

.intro h3 {
  color: #ff00ff;
}

.intro__imgbox {
  width: 60%;
  margin: 0 auto;
}

.intro__date {
  padding-top: 25px;
  font-size: min(max(4vw, 26px), 20px);
  text-shadow: #000 2px 2px 3px;
}
.intro__date p {
  color: #fff;
}
.intro__date span {
  display: block;
}

@media (min-width: 996px) {
  .intro__date {
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    border-left: #ff00ff 1px solid;
  }
}

@media (min-width: 996px) {
  .intro__date:first-child {
    border: none;
  }
}

@media (min-width: 996px) {
  .intro__box {
    display: flex;
    justify-content: center;
    padding: 30px;
  }
  .intro__date {
    flex: 1;
    border-left: #ff00ff 1px solid;
  }
  .intro__date:first-child {
    border: none;
  }
  .intro__btns {
    width: 74%;
    margin: 0 auto;
    max-width: 1000px;
    display: flex;
    justify-content: space-between;
    color: #fff;
  }
}

.intro__lmn {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  width: 50%;
  margin: 0 auto;
}

@media screen and (max-width: 991px) {
  .intro__lmn {
    width: 100%;
  }
}

.intro__lmn-item {
  width: 50%;
  margin: 0 auto;
}

@media screen and (max-width: 991px) {
  .intro__lmn-item {
    width: 100%;
  }
}

.intro__lmn-td {
  padding: 20px;
  text-align: start;
  width: 100%;
  text-align: center;
  font-size: 17px;
}

.intro__lmn-td span {
  font-family: var(--font);
  font-size: clamp(2.2rem, 2.5rem, 3rem);
  margin-bottom: 1em;
  line-height: 1.5em;
  color: #ff00ff;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0;
  font-weight: 900;
}
.intro__lmn-td b {
  color: #fff;
  font-size: clamp(1rem, 1.2rem, 1.4rem);
}

/* ===== BUTTON STYLES ===== */
.common-btn {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  outline: none;
  background-color: #ff00ff;
  -webkit-box-shadow: 0 0 10px #ff00ff;
  box-shadow: 0 0 10px #ff00ff;
  background-size: 100%;
  color: #000;
  font-size: min(max(2vw, 20px), 15px);
  font-family: var(--font);
  width: 100%;
  max-width: 300px;
  transform: skewX(-10deg);
  border-radius: 10px;
  padding: 10px 0;
  font-weight: bold;
  opacity: 1;
  transition: 0.2s;
  margin: 20px auto;
}

@media (min-width: 996px) {
  .common-btn {
    margin-bottom: 0;
    margin: 0 8px;
  }
}

.common-btn p {
  position: relative;
  z-index: 10;
  color: #fff;
  font-weight: bold;
  font-size: clamp(1.4rem, 1.6rem, 1.8rem);
}

.common-btn::before {
  z-index: 0;
  content: "";
  width: 98%;
  height: 95%;
  position: absolute;
  top: 60%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 3px solid #ff00ff;
  border-radius: 10px;
  opacity: 0.5;
  transition: 0.2s;
}

.common-btn:hover.common-btn::before {
  border: 3px solid #fff;
  top: 50%;
}

.common-btn:hover {
  opacity: 1;
  background-color: #fff;
  box-shadow: 0 0 40px #ffffff;
}
.common-btn:hover p {
  color: #000;
}
.common-btn--xs {
  font-size: 18px;
  height: 60px;
}