*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body,
#app {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: #01101f;
  overflow-x: hidden;
  background: #fff;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

img {
  max-width: 100%;
  vertical-align: middle;
}

.container-1200 {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ===== Header ===== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  height: 60px;
}

.site-header.solid {
  position: relative;
  background: #fff;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  padding: 0 24px;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  height: 39px;
  width: 203px;
  cursor: pointer;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
}

.nav a {
  font-size: 16px;
  color: #4e5969;
  cursor: pointer;
  white-space: nowrap;
}

.nav a.active {
  color: #01101f;
  font-weight: 500;
}

.site-header.is-home .nav a {
  color: #4e5969;
}

.site-header.is-home .nav a.active {
  color: #01101f;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 43px;
  border: 1px solid #025bf8;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 8px 20px;
  transition: 0.2s;
}

.btn-login {
  background: #fff;
  color: #025bf8 !important;
  border-color: #025bf8 !important;
}

.btn-register,
.btn-primary {
  background: #025bf8;
  color: #fff !important;
  border-color: #025bf8 !important;
}

.btn-primary:hover,
.btn-register:hover {
  opacity: 0.9;
}

.mobile-menu-btn {
  display: none;
  background: #025bf8;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 18px;
  cursor: pointer;
}

.mobile-nav {
  display: none;
  position: absolute;
  top: 60px;
  right: 12px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  padding: 8px 0;
  min-width: 140px;
  z-index: 200;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav a {
  display: block;
  padding: 10px 16px;
  color: #4e5969;
  font-size: 14px;
}

/* ===== Shared text ===== */
.title-second {
  font-size: 3rem;
  font-weight: 600;
  text-align: center;
}

.common-text {
  font-size: 0.8rem;
  color: #000;
  font-weight: 600;
  text-decoration: none;
}

.common-text1 {
  color: #000;
  font-weight: 600;
  font-size: 1.1rem;
}

.common-info {
  color: #4e5969;
  font-size: 0.8rem;
}

.blur-text {
  color: #025bf8;
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
}

.sub-title-small {
  color: #4e5969;
  font-size: 1rem;
  text-align: center;
}

/* ===== Home Hero ===== */
.home-hero {
  background: url("../img/head.a8337e0.jpg") no-repeat center / cover;
  height: 842px;
  width: 100%;
  text-align: center;
}

.home-hero .body {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
  padding-bottom: 1rem;
  padding-top: 60px;
}

.home-hero .title {
  color: #025bf8;
  font-size: 70px;
  font-weight: 600;
  padding-top: 50px;
  margin-top: 2rem;
}

.home-hero .sub-title {
  color: #4e5969;
  line-height: 32px;
  font-size: 24px;
  font-weight: 400;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.home-hero .cta {
  background-color: #025bf8;
  border: 1px solid #025bf8;
  border-radius: 43px;
  height: 61px;
  margin-top: 50px;
  width: 264px;
  color: #fff;
  font-size: 24px;
  font-weight: 400;
}

.home-hero .app {
  margin: 1rem 6rem 0;
}

.home-hero .app img {
  max-width: 100%;
  height: auto;
}

/* ===== Content sections ===== */
.content-section {
  width: 100%;
}

.content-section .section-title {
  font-size: 60px;
  font-weight: 600;
  padding: 100px 0 50px;
  text-align: center;
}

.add-margin {
  margin: 3rem 0;
}

.product-grid {
  margin: 0 auto;
  padding: 50px 0;
  width: 1200px;
  max-width: 95%;
  display: grid;
  grid-template-columns: 584px 276px 276px;
  gap: 20px;
  justify-content: center;
}

.product-grid .item {
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
  height: 165px;
  background-position: 50%;
  background-size: cover;
  overflow: hidden;
  position: relative;
  margin-top: 20px;
}

.product-grid .img1 {
  background-image: url("../img/bg1.781def8.png");
  grid-column: 1;
}
.product-grid .img2 {
  background-image: url("../img/bg2.32ab48f.png");
}
.product-grid .img3 {
  background-image: url("../img/bg5.3afc1ae.png");
}
.product-grid .img4 {
  background-image: url("../img/bg4.cfdc630.png");
  grid-column: 1 / 2;
  width: 584px;
}
.product-grid .img5 {
  background-image: url("../img/bg3.5749613.png");
  grid-column: 2 / 4;
  width: 100%;
}

.product-grid .index {
  color: #fff;
  font-family: Impact, "DIN Condensed", "Arial Narrow", sans-serif;
  font-size: 48px;
  font-weight: 500;
  padding: 50px 0 0 20px;
}

.product-grid .text {
  backdrop-filter: blur(3px);
  background: rgba(0, 0, 0, 0.3);
  border-radius: 0 0 5px 5px;
  border-top: 1px solid #fff;
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  height: 50px;
  margin-top: -14px;
  padding: 14px 0 0 20px;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
}

/* Download */
.download-section {
  margin: 50px 0;
  padding: 50px 0 100px;
  background: linear-gradient(180deg, #fbfcfd, #f3f8fc);
  border-radius: 14px;
}

.download-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.download-item {
  text-align: center;
  width: 160px;
  cursor: pointer;
}

.download-item img {
  width: 4.5rem;
  height: auto;
}

.download-item .label {
  margin-top: 10px;
  font-size: 0.8rem;
  color: #000;
  font-weight: 600;
}

/* Advantage */
.advantage-section {
  background: url("../img/diqiu.2a47cc0.png") no-repeat top 80px center / contain;
  padding-bottom: 50px;
}

.advantage-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.adv-card {
  width: 264px;
  height: 300px;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  text-align: center;
  padding: 20px 10px;
}

.adv-card img {
  height: 110px;
  width: 113px;
  margin: 20px;
  object-fit: contain;
}

.adv-card .common-text1 {
  margin-top: 8px;
}

.adv-card .common-info {
  padding-top: 10px;
  padding-left: 10px;
  padding-right: 10px;
}

/* Feedback */
.feedback-section {
  background: linear-gradient(180deg, #fbfcfd, #f3f8fc);
  border-radius: 14px;
  padding: 0 0 100px;
}

.feedback-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.feed-card {
  width: 360px;
  max-width: 100%;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  padding: 20px;
}

.feed-top {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feed-top img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
}

.feed-card .name {
  color: #000;
  font-size: 14px;
  font-weight: 500;
  padding-top: 8px;
}

.stars {
  color: #f7ba2a;
  letter-spacing: 2px;
  font-size: 16px;
  margin-top: 4px;
}

.feed-card .info {
  color: #4e5969;
  font-size: 14px;
  font-weight: 400;
  margin-top: 16px;
  line-height: 1.6;
}

/* Footer banner */
.footer-banner {
  background: url("../img/footer.a75fb2f.png") no-repeat center / cover;
  box-sizing: border-box;
  text-align: center;
  width: 100%;
  padding: 100px 20px;
}

.footer-banner .title {
  color: #fff;
  font-size: 60px;
  font-weight: 700;
  line-height: 84px;
  text-align: center;
}

.footer-banner .btn {
  font-size: 24px;
  font-weight: 400;
  height: 66px;
  margin-top: 4rem;
  width: 316px;
  background: #fff;
  border-radius: 42px;
  color: #025bf8 !important;
  border: none;
}

/* Footer */
.site-footer {
  background: #01101f;
  min-height: 514px;
  position: relative;
  width: 100%;
  color: #fff;
}

.site-footer .body {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 2fr;
  gap: 20px;
}

.site-footer .title {
  color: #fff;
  font-size: 18px;
  font-weight: 500;
  padding: 100px 0 10px;
  text-align: center;
}

.site-footer ul {
  text-align: center;
}

.site-footer ul li {
  padding: 5px 0;
}

.site-footer a,
.site-footer .link {
  color: #4e5969;
  font-size: 18px;
  font-weight: 400;
  cursor: pointer;
}

.site-footer a:hover,
.site-footer .link:hover {
  color: #025bf8;
}

.site-footer .contact-imgs {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 20px;
}

.site-footer .contact-imgs .item {
  text-align: center;
}

.site-footer .contact-imgs img {
  width: 136px;
  height: auto;
}

.site-footer .contact-imgs .text {
  color: #fff;
  font-size: 18px;
  margin-top: 8px;
}

.copy-right {
  border-top: 1px solid #4e5969;
  color: #4e5969;
  font-size: 14px;
  font-weight: 400;
  margin-top: 60px;
  padding: 20px 0 30px;
  text-align: center;
}

/* Telegram float */
.tg-float {
  position: fixed;
  right: 24px;
  bottom: 120px;
  z-index: 90;
  background: #3c7def;
  color: #fff;
  border-radius: 8px;
  padding: 10px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  width: 90px;
}

.tg-float img {
  width: 40px;
  height: 40px;
}

.tg-float span {
  display: block;
  font-size: 12px;
  margin-top: 4px;
}

.backtop {
  position: fixed;
  right: 24px;
  bottom: 40px;
  width: 40px;
  height: 40px;
  background: #f2f5f6;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.12);
  border-radius: 14px;
  color: #1989fa;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  z-index: 90;
}

/* Dialog */
.dialog-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dialog-mask.hidden {
  display: none;
}

.dialog {
  background: #fff;
  border-radius: 8px;
  width: 50%;
  max-width: 640px;
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
}

.dialog h3 {
  margin: 0 0 16px;
  font-size: 18px;
}

.dialog a {
  color: blue;
}

.dialog .warn {
  color: red;
  margin-top: 12px;
}

.dialog .close-btn {
  margin-top: 20px;
  background: #025bf8;
  color: #fff;
  border: none;
  border-radius: 20px;
  padding: 8px 28px;
  cursor: pointer;
}

/* ===== Inner pages ===== */
.page-hero {
  padding: 100px 20px 40px;
  text-align: center;
}

.page-hero.banner-bg {
  background: url("../img/banner.815ea59.png") no-repeat center / cover;
  min-height: 420px;
  color: #fff;
  display: flex;
  align-items: center;
}

.page-hero.banner2-bg {
  background: url("../img/banner2.9e24157.png") no-repeat center / cover;
  min-height: 420px;
  color: #fff;
}

.page-hero .hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.3;
}

.page-hero .hero-sub {
  margin-top: 12px;
  font-size: 18px;
  opacity: 0.9;
}

/* Product page */
.feature-block {
  max-width: 1200px;
  margin: 40px auto;
  padding: 40px 20px;
  display: flex;
  align-items: center;
  gap: 40px;
}

.feature-block.reverse {
  flex-direction: row-reverse;
}

.feature-block .meta {
  flex: 1;
}

.feature-block .tag {
  color: #025bf8;
  font-size: 14px;
  font-weight: 600;
}

.feature-block h3 {
  font-size: 28px;
  margin: 8px 0 16px;
}

.feature-block p {
  color: #4e5969;
  line-height: 1.8;
  font-size: 15px;
}

.feature-block .media {
  flex: 1;
  text-align: center;
}

.ability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto 80px;
  padding: 0 20px;
}

.ability-item {
  text-align: center;
  padding: 24px 12px;
}

.ability-item img {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
}

.ability-item h4 {
  margin: 0 0 8px;
  font-size: 18px;
}

.ability-item p {
  color: #4e5969;
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

/* Price cards */
.price-hero {
  margin-top: 2rem;
  padding: 40px 20px 0;
  text-align: center;
}

.price-cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
  max-width: 1200px;
  margin: 40px auto 80px;
  padding: 0 20px;
}

.price-card {
  width: 340px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  padding: 32px 24px;
  background-size: cover;
}

.price-card.img1 {
  background-image: linear-gradient(180deg, #f0f7ff, #fff);
}
.price-card.img2 {
  background-image: linear-gradient(180deg, #eef5ff, #fff);
}
.price-card.img3 {
  background-image: linear-gradient(180deg, #e8f0ff, #fff);
}

.price-card .name {
  font-size: 1.4rem;
  font-weight: 600;
}

.price-card .price {
  font-size: 2rem;
  font-weight: 600;
  margin: 1rem 0 0.7rem;
}

.price-card .info {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.price-card .data {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 14px;
  color: #4e5969;
}

.price-card .data img {
  width: 16px;
  height: 16px;
}

.price-card .btn {
  width: 100%;
  margin-top: 24px;
  background: #025bf8;
  color: #fff !important;
  height: 44px;
  border: none;
}

/* Download page */
.download-list {
  max-width: 1000px;
  margin: 40px auto 80px;
  padding: 0 20px;
}

.dl-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  border-bottom: 1px solid #eee;
}

.dl-item img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.dl-item .info {
  flex: 1;
}

.dl-item .info h4 {
  margin: 0 0 6px;
  font-size: 16px;
}

.dl-item .info p {
  margin: 0;
  color: #4e5969;
  font-size: 13px;
}

.dl-item .btn {
  background: #025bf8;
  color: #fff !important;
  border: none;
  padding: 10px 24px;
  font-size: 14px;
}

/* Question */
.question-wrap {
  max-width: 900px;
  margin: 40px auto 80px;
  padding: 0 20px;
}

.question-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.question-nav a {
  padding: 8px 16px;
  background: #f3f8fc;
  border-radius: 20px;
  font-size: 14px;
  color: #4e5969;
}

.question-nav a.active {
  background: #025bf8;
  color: #fff;
}

.question-title {
  color: #01101f;
  font-size: 24px;
  font-weight: 500;
  margin-top: 20px;
  padding-bottom: 10px;
}

.question-text {
  color: #4e5969;
  font-size: 14px;
  line-height: 28px;
  text-indent: 28px;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
}

.contact-card {
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.contact-card .card-title {
  font-size: 20px;
  font-weight: 600;
}

.contact-card .card-info {
  color: #4e5969;
  margin-top: 18px;
  line-height: 1.6;
  font-size: 14px;
}

.contact-card img {
  width: 120px;
  height: 120px;
  object-fit: contain;
}

.service-qr {
  display: flex;
  justify-content: center;
  gap: 60px;
  padding: 40px 20px 80px;
}

.service-qr .item {
  text-align: center;
}

.service-qr img {
  width: 160px;
}

.service-qr .text {
  margin-top: 12px;
  font-weight: 600;
}

/* Responsive */
@media screen and (max-width: 768px) {
  .pc-only {
    display: none !important;
  }
  .phone-only {
    display: block !important;
  }

  .nav,
  .header-actions .btn-register {
    display: none;
  }

  .mobile-menu-btn {
    display: inline-block;
  }

  .title-second,
  .content-section .section-title {
    font-size: 1.5rem !important;
    padding: 1.3rem 0 0.3rem !important;
  }

  .home-hero {
    height: auto !important;
    background-position: top !important;
  }

  .home-hero .title {
    font-size: 1.5rem !important;
    padding-top: 0.1rem !important;
  }

  .home-hero .sub-title {
    font-size: 0.75rem !important;
    line-height: 1.5 !important;
  }

  .home-hero .cta {
    height: 40px;
    width: 160px;
    font-size: 14px;
    margin-top: 20px;
  }

  .home-hero .app {
    margin: 1rem !important;
  }

  .product-grid {
    grid-template-columns: 1fr;
    width: 90%;
  }

  .product-grid .img1,
  .product-grid .img2,
  .product-grid .img3,
  .product-grid .img4,
  .product-grid .img5 {
    width: 100% !important;
    grid-column: auto;
  }

  .adv-card {
    width: auto;
    height: 220px;
    flex: 1 1 40%;
  }

  .adv-card img {
    margin: 0;
    height: 80px;
  }

  .feed-card {
    width: 100%;
  }

  .footer-banner .title {
    font-size: 30px;
    line-height: 1.4;
  }

  .footer-banner .btn {
    width: 200px;
    height: 44px;
    font-size: 16px;
    margin-top: 20px;
  }

  .site-footer .body {
    grid-template-columns: 1fr 1fr;
  }

  .site-footer .title {
    padding-top: 30px;
    font-size: 1rem;
  }

  .dialog {
    width: 85%;
  }

  .feature-block,
  .feature-block.reverse {
    flex-direction: column;
  }

  .ability-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .page-hero .hero-title {
    font-size: 28px;
  }
}

.phone-only {
  display: none;
}