/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

@font-face {
  font-family: "MiSans Normal";
  src: url(../font/misans/MiSans-Normal.ttf);
  font-display: swap;
}

@font-face {
  font-family: "MiSans Bold";
  src: url(../font/misans/MiSans-Bold.ttf);
  font-display: swap;
}

html {
  font-size: 16px;
}

@media screen and (max-width: 768px) {
  html {
    font-size: 14px;
  }
}

@media screen and (max-width: 480px) {
  html {
    font-size: 12px;
  }
}

:root {
  --container-width: 90vw;
  --max-container-width: 1200px;
}

::-webkit-scrollbar {
  width: 0;
  height: 0;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: transparent;
}

* {
  scrollbar-width: none;
  -ms-overflow-style: none;
}

body {
  font-family: "MiSans Normal";
  font-size: 1rem;
  line-height: 1.6;
  color: #333;
}

/* Banner样式 */
.banner {
  width: 100%;
  display: flex;
  align-items: center;
  position: relative;
  background: url("../img/banner.jpg");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  height: calc((900 / 1800) * 100vw);
}

.banner-text {
  z-index: 1;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #fff;
  text-align: left;
  margin-left: calc((160 / 1800) * 100vw);
}

.scroll-down {
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
}

.scroll-down img {
  width: 3rem;
  height: 3rem;
  filter: brightness(0) invert(1);
}

.banner-text h1 {
  font-size: 4.5rem;
  margin-bottom: 1.875rem;
  font-weight: bold;
  background: linear-gradient(270deg, #94deff 0%, #ffffff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.banner-text p {
  font-size: 3.8rem;
  margin-bottom: 1.25rem;
  line-height: 1.4;
  margin-left: 1.5vw;
}

/* 关于我们*/
.about-content {
  background: #eef5fd;
  display: flex;
  gap: 8vw;
  align-items: center;
  padding: calc((90 / 1800) * 100vw) calc((200 / 1800) * 100vw);
}

.about-image {
  flex: 1;
  max-width: 50vw;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
}

.about-info {
  flex: 1;
}

.about-info img {
  width: 45vw;
  max-width: 439px;
  margin-bottom: 3vw;
}

.about-info p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 2vw;
  color: #25344a;
}

.about-info em {
  font-family: "MiSans Bold";
  font-style: normal;
}

/** 优势 */
.advantages-container {
  padding: calc((60 / 1800) * 100vw) calc((200 / 1800) * 100vw);
  background-image: url("../img/advantages.jpg");
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

.section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 69px;
  color: #25344a;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -0.9375rem;
  left: 50%;
  transform: translateX(-50%);
  width: 8vw;
  max-width: 80px;
  height: 0.1875rem;
  background: #25344a;
}

.advantages-content {
  display: flex;
  justify-content: space-between;
  gap: 4vw;
}

.advantage-item {
  flex: 1;
  text-align: left;
  width: 80vw;
  max-width: 400px;
  background: #fff;
  border-radius: 0 0 22px 22px;
}

.advantage-item img {
  width: 100%;
  height: auto;
}

.advantage-text {
  padding: calc((30 / 1800) * 100vw);
}

.advantage-text img {
  width: 48px;
  height: auto;
}

.advantage-item h3 {
  font-size: 1.25rem;
  margin-bottom: 16px;
  color: #25344a;
  font-weight: bold;
  font-family: "MiSans Bold";
}

.advantage-item p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #25344a;
}

/* 梓山智擎 */
.results-container {
  padding: calc((60 / 1800) * 100vw) calc((200 / 1800) * 100vw);
  background: #f5f8ff;
}

.results-content {
  display: flex;
  justify-content: space-between;
  gap: 4vw;
}

.result-item {
  border-radius: 0.75rem;
  width: 80vw;
  max-width: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  height: 400px;
  background-size: cover;
  background-position: center;
  text-align: center;
}

.result-item.adver-roi {
  background-image: url("../img/adver-roi.jpg");
  width: 100%;
}

.result-item.customer-acquisition {
  background-image: url("../img/customer-acquisition.jpg");
  width: 100%;
}

.result-item.full-link {
  background-image: url("../img/fulll-link.jpg");
  width: 100%;
}

.result-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.result-text h3 {
  font-size: 1.125rem;
  margin-bottom: 1.5vw;
  font-weight: bold;
  font-family: "MiSans Bold";
}

.result-text p {
  font-size: 0.875rem;
  line-height: 1.6;
}

/** 联系我们 */
.contact-content {
  background-image: url("../img/contact-bg.jpg");
  background-size: 100% 100%;
  padding-top: calc((100 / 1800) * 100vw);
  padding-bottom: calc((50 / 1800) * 100vw);
  color: #fff;
}

.contact-wrap {
  padding-left: calc((200 / 1800) * 100vw);
}

.contact-content img {
  width: 60vw;
  max-width: 408px;
  margin-bottom: 3vw;
}

.contact-address,
.contact-phone {
  font-size: 1.125rem;
  margin-bottom: 2vw;
  line-height: 1.4;
  text-align: left;
}

.contact-footer {
  padding-top: 4vw;
  font-size: 0.875rem;
  color: #d8d9db;
}

.contact-footer p {
  text-align: center;
}

.contact-footer a {
  margin-left: 0.5vw;
  color: #007bff;
  text-decoration: none;
}

@media screen and (max-width: 1600px) {
  .banner-text {
    margin-left: calc((150 / 1800) * 100vw);
  }

  .banner-text h1 {
    font-size: 3.5rem;
  }

  .banner-text p {
    font-size: 2.8rem;
  }

  .about-content {
    padding: calc((70 / 1800) * 100vw) calc((150 / 1800) * 100vw);
    gap: 6vw;
  }

  .advantages-container,
  .results-container {
    padding: calc((50 / 1800) * 100vw) calc((150 / 1800) * 100vw);
  }

  .advantages-content,
  .results-content {
    gap: 3vw;
  }

  .contact-content {
    padding-top: calc((80 / 1800) * 100vw);
    padding-bottom: calc((40 / 1800) * 100vw);
  }

  .contact-wrap {
    padding-left: calc((150 / 1800) * 100vw);
  }
}

@media screen and (max-width: 1200px) {
  .about-content {
    gap: 5vw;
  }

  .advantages-content,
  .results-content {
    gap: 3vw;
  }
}

@media screen and (max-width: 992px) {
  .banner-text {
    margin-left: 10vw;
  }

  .banner-text h1 {
    font-size: 2.25rem;
  }

  .banner-text p {
    font-size: 1.25rem;
  }

  .advantages-container,
  .results-container {
    padding: 5vw;
  }

  .result-item {
    height: 300px;
  }

  .contact-content {
    padding-top: 10vw;
    padding-bottom: 5vw;
  }

  .contact-wrap {
    padding-left: 10vw;
  }

  .contact-content img {
    width: 70vw;
  }
}

@media screen and (max-width: 767px) {
  .banner {
    height: calc((1000 / 1800) * 100vw);
    background-size: cover;
    background-position: center;
  }

  .scroll-down {
    display: none;
  }

  .banner-text {
    margin-left: 8vw;
  }

  .banner-text h1 {
    font-size: 1.75rem;
  }

  .banner-text p {
    font-size: 1rem;
    margin-left: 3vw;
  }

  .scroll-down img {
    width: 2.5rem;
    height: 2.5rem;
  }

  .section-title,
  .contact-title {
    font-size: 1.5rem;
    margin-bottom: 10vw;
  }

  .about-info {
    display: flex;
    flex-direction: column;
  }

  .about-content {
    flex-direction: column;
    text-align: left;
    padding: 10vw;
  }

  .about-image {
    max-width: 100%;
  }

  .about-info h2 {
    font-size: 1.5rem;
  }

  .advantages-content,
  .results-content {
    flex-direction: column;
    align-items: center;
  }

  .advantages-container,
  .results-container {
    padding: 12vw 4vw;
  }

  .advantages-content,
  .results-content {
    gap: 10vw;
  }

  .advantage-item,
  .result-item {
    max-width: 80vw;
  }

  .advantage-icon img {
    width: 15vw;
    height: 15vw;
  }

  .advantage-item h3 {
    font-size: 1.125rem;
    margin-bottom: 1vw;
  }

  .advantage-text {
    padding: 3vw 5vw 5vw;
  }

  .result-item {
    height: 250px;
    padding: 4vw;
  }

  .result-bg {
    height: 30vw;
  }

  .contact-content {
    padding-top: 8vw;
    padding-bottom: 4vw;
  }

  .contact-wrap {
    padding-left: 8vw;
  }

  .contact-content img {
    width: 50vw;
  }

  .contact-address,
  .contact-phone {
    font-size: 1rem;
  }
}