/* ============================================================
   Bixin 币信 — 静态仿站样式（最终版）
   全部色值/尺寸还原自原站 bundle 组件代码
   导航 #232325 · 主蓝 #4B5DFF/#333BF5 · 文本 #010313 · 次级 #7b7c8f
   ============================================================ */

@font-face {
  font-family: "Bixin";
  src: url("../wwwsite/fonts/bixin.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue",
    "PingFang SC", "PingFang HK", "Microsoft YaHei", sans-serif;
  background: #fff;
  color: #010313;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul,
ol {
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
}

/* ============================================================
   顶部导航 — 60px 深灰
   ============================================================ */

.bx-header {
  height: 60px;
  background: #232325;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 30px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.bx-header-left {
  display: flex;
  align-items: center;
}

.bx-logo {
  height: 30px;
  width: auto;
  flex-shrink: 0;
}

.bx-menus {
  margin-left: 150px;
  display: flex;
  align-items: center;
}

.bx-menu-item {
  display: flex;
  align-items: center;
  position: relative;
  padding: 5px 10px;
  margin-right: 20px;
  white-space: nowrap;
  font-size: 14px;
  cursor: pointer;
  color: #b3b4c8;
  background: none;
  border: none;
}

.bx-menu-item::after {
  content: "";
  position: absolute;
  height: 10px;
  bottom: -10px;
  left: 0;
  width: 100%;
}

.bx-menu-item:hover,
.bx-menu-item.active {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  color: #fff;
}

.bx-menu-item svg {
  margin-left: -4px;
}

.bx-has-drop {
  position: relative;
}

.bx-drop {
  display: none;
  position: absolute;
  width: 130px;
  padding: 20px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  z-index: 100;
  top: 35px;
  left: 0;
  color: #010313;
  flex-direction: column;
}

.bx-has-drop.open .bx-drop {
  display: flex;
}

.bx-drop-item {
  width: 100%;
  text-align: left;
  height: 40px;
  padding-left: 10px;
  line-height: 40px;
  cursor: pointer;
  border-radius: 12px;
}

.bx-drop-item:hover {
  background: rgba(32, 26, 85, 0.05);
}

.bx-header-right {
  display: flex;
  align-items: center;
}

.bx-btn {
  width: 74px;
  line-height: 27px;
  color: #b3b4c8;
  border: 1px solid #7b7c8f;
  text-align: center;
  font-size: 12px;
  border-radius: 30px;
  cursor: pointer;
  margin-right: 30px;
  user-select: none;
}

.bx-btn:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.bx-lang {
  display: flex;
  align-items: center;
  position: relative;
  cursor: pointer;
}

.bx-lang-current {
  display: flex;
  align-items: center;
}

.bx-lang svg {
  color: #b3b4c8;
}

.bx-lang:hover svg {
  color: #fff;
}

.bx-lang-current span {
  color: #b3b4c8;
  font-size: 14px;
  display: inline-block;
  margin-left: 5px;
}

.bx-lang:hover .bx-lang-current span {
  color: #fff;
}

.bx-lang-list {
  display: none;
  position: fixed;
  right: 10px;
  top: 60px;
  background: #fff;
  width: 150px;
  padding: 20px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  z-index: 100;
  color: #010313;
  flex-direction: column;
}

.bx-lang-list::before {
  content: "";
  height: 30px;
  background-color: transparent;
  width: 100%;
  top: -20px;
  left: 0;
  position: absolute;
}

.bx-lang.open .bx-lang-list {
  display: flex;
}

.bx-lang-item {
  height: 40px;
  padding-left: 10px;
  line-height: 40px;
  cursor: pointer;
  border-radius: 12px;
  font-size: 13px;
  background: none;
}

.bx-lang-item:hover {
  background: rgba(32, 26, 85, 0.05);
}

.bx-lang-item.active {
  background: rgba(32, 26, 85, 0.05);
}

/* 移动端汉堡按钮 */
.bx-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.bx-mobile-toggle span {
  display: block;
  height: 2px;
  background: #b3b4c8;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.bx-mobile-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.bx-mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}

.bx-mobile-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 移动端全屏菜单 */
.bx-mobile-wrap {
  display: none;
  flex-direction: column;
  width: 100vw;
  background: #232325;
  align-items: center;
  height: calc(100vh - 60px);
  position: fixed;
  top: 60px;
  left: 0;
  padding-top: 57px;
  z-index: 9999;
}

.bx-mobile-wrap.open {
  display: flex;
}

.bx-mobile-personal {
  border: 1px solid rgba(139, 138, 153, 0.3);
  border-radius: 12px;
  padding: 10px 20px;
  margin-bottom: 47px;
  display: flex;
  justify-content: flex-start;
  color: #fff;
  font-size: 14px;
}

.bx-mobile-item {
  color: #b3b4c8;
  font-size: 14px;
  margin-bottom: 46px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  cursor: pointer;
}

.bx-mobile-item svg {
  width: 18px;
  margin-left: 5px;
}

.bx-mobile-lang {
  color: #fff;
  font-size: 14px;
  margin-top: 20px;
}

.bx-mobile-social {
  position: absolute;
  bottom: 100px;
  display: flex;
}

.bx-mobile-social .bx-social-icon {
  margin: 0 10px;
}

/* ============================================================
   社交图标（背景图 + hover 切换）
   ============================================================ */

.bx-social {
  display: flex;
  align-items: center;
  gap: 0;
}

.bx-social-icon {
  display: inline-block;
  width: 25px;
  height: 25px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  cursor: pointer;
  margin-left: 20px;
}

.bx-social-icon[data-social="twitter"] {
  background-image: url("../wwwsite/images/icon/tw.png");
}
.bx-social-icon[data-social="twitter"]:hover {
  background-image: url("../wwwsite/images/icon/tw_hover.png");
}
.bx-social-icon[data-social="mail"] {
  background-image: url("../wwwsite/images/icon/mail.png");
}
.bx-social-icon[data-social="mail"]:hover {
  background-image: url("../wwwsite/images/icon/mail_hover.png");
}
.bx-social-icon[data-social="ins"] {
  background-image: url("../wwwsite/images/icon/ins.png");
}
.bx-social-icon[data-social="ins"]:hover {
  background-image: url("../wwwsite/images/icon/ins_hover.png");
}
.bx-social-icon[data-social="facebook"] {
  background-image: url("../wwwsite/images/icon/facebook.png");
}
.bx-social-icon[data-social="facebook"]:hover {
  filter: brightness(1.6);
}
.bx-social-icon[data-social="telegram"] {
  background-image: url("../wwwsite/images/icon/telegram.png");
}
.bx-social-icon[data-social="telegram"]:hover {
  filter: brightness(1.6);
}
.bx-social-icon[data-social="youtube"] {
  background-image: url("../wwwsite/images/icon/youtube.png");
}
.bx-social-icon[data-social="youtube"]:hover {
  filter: brightness(1.6);
}

/* ============================================================
   Hero — 深色大圆角卡片 + home_bg 背景
   ============================================================ */

.bx-hero-outer {
  background: #f2f2f2;
}

.bx-hero {
  position: relative;
  margin: 10px;
  height: 1062px;
  background: #232325;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
  border-radius: 50px;
  background-image: url("../wwwsite/images/website/home_bg.png");
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: contain;
  overflow: hidden;
}

/* 装饰光晕（还原原站 P.A 装饰组件的气质感） */
.bx-hero-deco {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.deco-ring {
  position: absolute;
  border: 2px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.ring-1 {
  width: 420px;
  height: 420px;
  top: -120px;
  right: -80px;
}

.ring-2 {
  width: 260px;
  height: 260px;
  top: 120px;
  right: 200px;
  border-color: rgba(75, 93, 255, 0.18);
}

.ring-3 {
  width: 180px;
  height: 180px;
  bottom: 320px;
  left: 60px;
}

.deco-dot {
  position: absolute;
  background: rgba(75, 93, 255, 0.35);
  border-radius: 50%;
}

.dot-1 {
  width: 14px;
  height: 14px;
  top: 180px;
  left: 22%;
}

.dot-2 {
  width: 8px;
  height: 8px;
  top: 320px;
  right: 12%;
  background: rgba(255, 255, 255, 0.25);
}

.dot-3 {
  width: 10px;
  height: 10px;
  bottom: 420px;
  left: 12%;
  background: rgba(255, 255, 255, 0.15);
}

.bx-hero-line1 {
  color: #fff;
  text-align: center;
  font-size: 96px;
  font-weight: 700;
  font-family: "Bixin", -apple-system, "PingFang SC", sans-serif;
  padding: 0 100px;
  margin-top: 150px;
  line-height: 1.25;
}

.bx-hero-line2 {
  color: #fff;
  text-align: center;
  font-size: 96px;
  font-weight: 700;
  font-family: "Bixin", -apple-system, "PingFang SC", sans-serif;
  padding: 0 100px;
  margin-top: -30px;
  line-height: 1.25;
}

.bx-hero-sub {
  color: #b3b4c8;
  text-align: center;
  font-size: 16px;
  margin-top: 12px;
}

.bx-hero-cta {
  display: flex;
  justify-content: center;
  margin-top: 50px;
}

.bx-btn-primary {
  min-width: 120px;
  height: 44px;
  padding: 0 24px;
  background-color: #4b5dff;
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.bx-btn-primary:hover {
  background-color: #333bf5;
}

.bx-hero-google {
  margin-top: 50px;
  display: flex;
  justify-content: center;
}

.bx-hero-google img {
  width: 130px;
  height: 44px;
}

.bx-hero-bottom {
  position: absolute;
  bottom: 150px;
  left: 100px;
  right: 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bx-group-link {
  color: #b3b4c8;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.bx-group-link:hover {
  color: #fff;
}

.bx-group-link svg {
  color: currentColor;
}

/* ============================================================
   特性区
   ============================================================ */

.bx-features {
  background: #f2f2f2;
  padding: 0 30px 60px;
}

.bx-feature-hero-img {
  width: 1000px;
  max-width: 100%;
  margin: -140px auto 0;
  position: relative;
}

.bx-feature-banner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  max-width: 1000px;
  margin: 0 auto;
}

.bx-feature-duo {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-top: 100px;
}

.bx-feature-block {
  width: 50%;
  padding: 50px;
  background: #fff;
  border-radius: 40px;
  text-align: center;
}

.bx-feature-block img {
  margin: 0 auto 0;
}

.bx-feature-title {
  font-size: 24px;
  font-weight: 700;
  color: #010313;
  margin-top: 30px;
}

.bx-feature-desc {
  font-size: 16px;
  line-height: 24px;
  color: #7b7c8f;
  margin-top: 10px;
}

.bx-feature-solo {
  max-width: 640px;
  margin: 64px auto 0;
  padding: 50px;
  background: #fff;
  border-radius: 40px;
  text-align: center;
}

.bx-feature-solo img {
  margin: 0 auto;
}

.bx-feature-solo .bx-feature-desc {
  font-weight: 400;
}

/* 四卡 — 2x2，508px 高，50px 圆角 */
.bx-feature-cards {
  max-width: 1000px;
  margin: 100px auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.bx-card {
  width: 480px;
  height: 508px;
  background: #fff;
  border-radius: 50px;
  position: relative;
  margin-bottom: 40px;
  overflow: hidden;
}

.bx-card-title {
  font-size: 24px;
  font-weight: 700;
  color: #010313;
  margin-top: 70px;
  padding: 0 68px;
  text-align: right;
}

.bx-card-sub {
  font-size: 14px;
  color: #7b7c8f;
  margin-top: 10px;
  padding: 0 68px;
  text-align: right;
}

.card-img {
  position: absolute;
  bottom: 0;
}

.card-1 .card-img {
  width: 281px;
  left: 30px;
  bottom: 0;
}

.card-2 .card-img {
  width: 352px;
  left: 0;
  right: 0;
  margin: auto;
  bottom: 40px;
}

.card-2 .bx-card-title,
.card-2 .bx-card-sub {
  text-align: center;
}

.card-3 .bx-card-title {
  text-align: center;
  margin-top: 50px;
}

.card-3 .bx-card-sub {
  text-align: center;
}

.card-mid-img {
  width: 400px;
  max-width: 80%;
  margin: 30px auto;
}

.bx-card-trade {
  width: 400px;
  max-width: 80%;
  height: 44px;
  line-height: 44px;
  border-radius: 30px;
  background: #4a9487;
  color: #fff;
  font-size: 14px;
  text-align: center;
  margin: 30px auto;
  cursor: pointer;
}

.card-4 {
  background: #2430d5;
}

.card-4 .bx-card-title {
  color: #fff;
  text-align: center;
}

.card-4 .bx-card-sub {
  color: #fff;
  text-align: center;
}

.card-4 .card-img {
  width: 253px;
  left: 0;
  right: 0;
  margin: auto;
  bottom: 10px;
}

/* ============================================================
   关于我们 — 深色区
   ============================================================ */

.bx-about {
  background: #232325;
  margin: 96px 10px 10px;
  border-radius: 50px;
  padding-bottom: 50px;
  overflow: hidden;
}

.bx-about-title {
  color: #fff;
  font-weight: 700;
  font-size: 32px;
  margin-top: 100px;
  margin-left: 100px;
  cursor: pointer;
}

.bx-about-body {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin: 20px 100px 0;
  padding-bottom: 40px;
  border-bottom: 1px solid #b3b4c8;
}

.bx-about-main {
  width: 790px;
}

.bx-about-slogan {
  color: #b3b4c8;
  font-size: 20px;
  font-weight: 600;
}

.bx-about-desc {
  color: #b3b4c8;
  font-size: 14px;
  line-height: 1.9;
  margin-top: 20px;
}

.bx-about-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.bx-about-side img {
  width: 130px;
  height: 44px;
  margin-top: 30px;
  cursor: pointer;
}

.bx-about-links {
  display: flex;
  justify-content: flex-start;
  margin-top: 100px;
}

.bx-about-link {
  color: #b3b4c8;
  font-size: 14px;
  cursor: pointer;
}

.bx-about-link + .bx-about-link {
  margin-left: 30px;
}

.bx-about-link:hover,
.bx-about-link a:hover {
  color: #fff;
}

.bx-about-update-title {
  color: #fff;
  font-weight: 700;
  font-size: 32px;
  margin-top: 40px;
  margin-left: 100px;
  cursor: pointer;
}

.bx-about-update {
  margin: 20px 100px 0;
}

.bx-about-update-text {
  color: #b3b4c8;
  font-size: 14px;
  line-height: 1.9;
}

.bx-about-footer {
  margin: 40px 100px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #b3b4c8;
  font-size: 14px;
  flex-wrap: wrap;
}

.bx-footer-lang {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  position: relative;
  user-select: none;
}

.bx-globe {
  width: 18px;
  height: 18px;
}

.bx-footer-lang-list {
  display: none;
  position: absolute;
  bottom: 30px;
  right: 0;
  background: #fff;
  min-width: 120px;
  padding: 16px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  flex-direction: column;
  z-index: 100;
  color: #010313;
}

.bx-footer-lang.open .bx-footer-lang-list {
  display: flex;
}

/* ============================================================
   重要更新弹窗
   ============================================================ */

.bx-modal-mask {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.bx-modal-mask.show {
  opacity: 1;
  visibility: visible;
}

.bx-modal {
  width: 370px;
  max-width: calc(100vw - 40px);
  background: #fff;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-radius: 20px;
  padding: 50px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.bx-modal-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  width: 100%;
}

.bx-modal-nav img {
  width: 24px;
  height: 24px;
}

.bx-modal-nav span {
  color: #3e3d4d;
  font-family: "PingFang HK", "PingFang SC", sans-serif;
  font-size: 24px;
  font-weight: 600;
}

.bx-modal-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-height: 320px;
  overflow-y: auto;
  margin-top: 20px;
  color: #010313;
  font-size: 14px;
  line-height: 1.8;
}

.bx-modal-link {
  color: #333bf5;
}

.bx-modal-btn {
  display: flex;
  justify-content: center;
  margin-top: 20px;
  width: 100%;
}

.bx-btn-ok {
  width: 200px;
  font-size: 14px;
  font-weight: 400;
}

/* ============================================================
   响应式 — 还原原站断点（950px / 739px）
   ============================================================ */

@media screen and (max-width: 1100px) {
  .bx-hero-line1,
  .bx-hero-line2 {
    font-size: 78px;
    padding: 0 60px;
  }

  .bx-hero-line2 {
    margin-top: -20px;
  }

  .bx-hero {
    height: 1062px;
  }

  .bx-feature-duo {
    flex-wrap: wrap;
  }

  .bx-feature-block {
    width: 100%;
  }

  .bx-feature-block + .bx-feature-block {
    margin-top: 20px;
  }

  .bx-card {
    width: 48%;
  }

  .bx-card-title,
  .bx-card-sub {
    padding: 0 30px;
  }

  .bx-about-main {
    width: 507px;
  }

  .bx-about-body,
  .bx-about-update,
  .bx-about-footer {
    margin-left: 40px;
    margin-right: 40px;
  }

  .bx-about-title,
  .bx-about-update-title {
    margin-left: 40px;
  }

  .bx-about-links {
    margin-top: 160px;
  }
}

@media screen and (max-width: 739px) {
  .bx-header {
    padding: 0 16px;
  }

  .bx-menus,
  .bx-header-right .bx-btn,
  .bx-header-right .bx-lang {
    display: none;
  }

  .bx-mobile-toggle {
    display: flex;
  }

  .bx-hero {
    height: 769px;
    border-radius: 30px;
  }

  .bx-hero-line1,
  .bx-hero-line2 {
    font-size: 36px;
    padding: 0;
    margin-top: 122px;
  }

  .bx-hero-line2 {
    margin-top: 0;
  }

  .bx-hero-sub {
    font-size: 14px;
    margin-top: 8px;
  }

  .bx-hero-bottom {
    left: 20px;
    right: 20px;
    bottom: 60px;
  }

  .bx-social-icon {
    margin-left: 12px;
  }

  .bx-features {
    padding: 0 10px 40px;
  }

  .bx-feature-hero-img {
    margin-top: -60px;
  }

  .bx-feature-duo {
    margin-top: 60px;
  }

  .bx-feature-block {
    padding: 30px 24px;
  }

  .bx-feature-title {
    font-size: 20px;
  }

  .bx-feature-desc {
    font-size: 14px;
  }

  .bx-feature-solo {
    margin-top: 40px;
    padding: 30px 24px;
  }

  .bx-feature-cards {
    margin-top: 60px;
    flex-direction: column;
  }

  .bx-card {
    width: 100%;
    height: 460px;
    border-radius: 40px;
    margin-bottom: 20px;
  }

  .bx-card-title,
  .bx-card-sub {
    padding: 0 20px;
  }

  .card-1 .card-img {
    width: 70%;
    left: 10px;
  }

  .card-2 .card-img {
    width: 80%;
  }

  .card-mid-img,
  .bx-card-trade {
    width: 80%;
  }

  .card-4 .card-img {
    width: 65%;
  }

  .bx-about {
    margin: 60px 10px 10px;
    border-radius: 30px;
  }

  .bx-about-title {
    font-size: 24px;
    margin-top: 50px;
    margin-left: 20px;
  }

  .bx-about-update-title {
    font-size: 24px;
    margin-left: 20px;
  }

  .bx-about-body,
  .bx-about-update,
  .bx-about-footer {
    margin-left: 20px;
    margin-right: 20px;
  }

  .bx-about-main {
    width: 100%;
  }

  .bx-about-side {
    align-items: flex-start;
    margin-top: 20px;
  }

  .bx-about-links {
    margin-top: 20px;
  }

  .bx-about-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}