:root {
    --main-blue: #316ffe;
    --main-black: #333;
    --main-gray: #6e7a86;
  }
  body {
    margin: 0;
    font-family: 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
    color: var(--main-black);
    background: #fff;
    overflow-x: hidden;
  }
  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #fff;
    box-shadow: 0 2px 8px rgba(49,111,254,0.08);
    z-index: 1000;
    display: flex;
    justify-content: center;
    border-bottom: 1px solid #f0f0f0;
  }
  .navbar-inner {
    width: 100%;
    max-width: 1200px;
    display: flex;
    align-items: center;
    padding: 0 24px;
    height: 64px;
  }
  .navbar-logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--main-blue);
    margin-right: 40px;
    letter-spacing: 2px;
  }
  .navbar-menu {
    display: flex;
    flex: 1;
    gap: 32px;
    flex-wrap: nowrap;
    white-space: nowrap;
    position: relative;
    align-items: center;
    justify-content: flex-end;
  }
  .navbar-menu a {
    color: var(--main-black);
    text-decoration: none;
    font-size: 16px;
    padding: 8px 0;

    transition: color 0.2s;
    position: relative;
    display: inline-block;
  }
  .navbar-menu a.active,
  .navbar-menu a:hover {
    color: var(--main-blue);
    font-weight: bold;
  }
  .navbar-menu a.active::after {
    content: '';
    display: block;
    left:10px;
    right:10px;
    height: 1px;
    background: var(--main-blue);
    position: absolute;
    bottom: 0;
    border-radius: 1px;
    pointer-events: none;
    z-index: 2;
  }
  .spacer {  color:#6e7a86;margin-left: 32px;}
  main {
    margin-top: 64px;
  }
  section {
    max-width: 1200px;
    margin: 0 auto 0 auto;
    padding: 0 24px;
  }
  /* 针对前八个图片模块，section全宽无padding */
  #banner, #intro, #advantage, #mode, #cycle, #rule, #pay, #partner {
    max-width: none;
    width: 100vw;
    margin: 0 0 0 0;
    padding: 0;
  }
  .banner {
    width: 100vw;
    min-height: 360px;
    background: url('./images/img01.png') center/cover no-repeat;
    margin-bottom: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
  }
  .banner-title {
    color: #fff;
    font-size: 48px;
    font-weight: bold;
    text-shadow: 0 4px 24px rgba(49,111,254,0.3);
    letter-spacing: 4px;
    background: rgba(49,111,254,0.5);
    padding: 24px 48px;
    border-radius: 12px;
  }
  .section-img {
    width: 100%;
    max-width: 1000px;
    display: block;
    margin: 0 auto 24px auto;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(49,111,254,0.08);
  }
  .section-title {
    font-size: 32px;
    font-weight: bold;
    color: var(--main-blue);
    margin-bottom: 16px;
    text-align: center;
  }
  .section-desc {
    color: var(--main-gray);
    font-size: 18px;
    text-align: center;
    margin-bottom: 32px;
  }
  /* 底部模块 */
  .footer {
    background: #f8faff;
    padding: 48px 0 0 0;
    border-top: 1px solid #e6eaf0;
  }
  .footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0 24px 24px 24px;
  }
  .footer-contact, .footer-service, .footer-company {
    flex: 1 1 240px;
    margin-bottom: 24px;
  }
  .footer-contact h3,
  .footer-service h3,
  .footer-company h3 {
    color: var(--main-blue);
    font-size: 20px;
    margin-bottom: 12px;
  }
  .footer-contact p,
  .footer-service p,
  .footer-company p {
    color: var(--main-gray);
    font-size: 16px;
    margin: 0 0 8px 0;
  }
  .footer-logo {
    flex: 1 1 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
  }
  .footer-logo img {
    width: 100px;
    height: auto;
    display: block;
  }
  @media (max-width: 900px) {
    .navbar-inner, section, .footer-inner {
      max-width: 100%;
      padding: 0 12px;
    }
    .section-title { font-size: 24px; }
    .banner-title { font-size: 32px; padding: 16px 24px; }
    .footer-inner { flex-direction: column; align-items: stretch; }
    .footer-logo { justify-content: flex-start; margin-bottom: 24px; }
  }
  @media (max-width: 600px) {
    .navbar-inner { height: 48px; }
    .navbar-logo { font-size: 18px; margin-right: 16px; }
    .navbar-menu { gap: 16px; }
    .banner-title { font-size: 20px; padding: 8px 12px; }
    .section-title { font-size: 18px; }
    .section-desc { font-size: 14px; }
    .footer-contact h3, .footer-service h3, .footer-company h3 { font-size: 16px; }
  }
  .footer-bg {
    background: url('./images/bgbg.png') center/cover no-repeat;
    padding: 48px 0 0 0;
  }
  .footer-main {
    max-width: 1200px;
    margin: 0 auto;
  }
  .footer-title {
    font-size: 28px;
    font-weight: bold;
    color: #222;
    text-align: center;
    margin-bottom: 60px;
  }
  .footer-flex {
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px 24px 24px;
  }
  .footer-contact-block {
    flex: 1 1 340px;
    min-width: 300px;
    margin-bottom: 24px;
    margin-right: 40px;
  }
  .footer-contact-block .contact-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
  }
  .footer-contact-block .contact-desc {
    color: #6e7a86;
    font-size: 15px;
    margin-bottom: 30px;
    line-height: 35px;
  }
  .footer-contact-block .contact-row {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .footer-contact-block .qrcode-box {
    text-align: center;
    background: #fff;
    padding: 10px;
  }
  .footer-contact-block .qrcode-img {
    width: 100px;
    height: 100px;
    display: block;
    margin-bottom: 10px;
  }
  .footer-contact-block .qrcode-text {
    font-size: 13px;
    color: #000;
  }
  .footer-contact-block .scan-desc {
    font-size: 24px;
    color: #333;
    font-weight: 700;
  }
  .footer-divider {
    width: 1px;
    height: 350px;
    background: #c5c5c5;
  }
  .footer-consult-block {
    flex: 1 1 340px;
    min-width: 300px;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  .footer-consult-block .consult-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
  }
  .footer-consult-block .logo-img {
    height: 50px;
    margin-right: 40px;
  }
  .footer-consult-block .phone-img {
    height: 40px;
  }
  .footer-consult-block .phone-num {
    font-size: 20px;
    font-weight: 700;
    color: #333;
  }
  .footer-consult-block .consult-title {
    font-size: 24px;
    color: #333;
    margin: 40px 0;
    font-weight: bold;
  }
  .footer-consult-block .consult-btn {
    background: #316ffe;
    color: #fff;
    font-size: 16px;
    padding: 16px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
  }
  .footer-blue-bar {
    background: #316ffe;
    padding: 40px 0 24px 0;
  }
  .footer-blue-bar-inner {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
  }
  .footer-blue-bar-title {
    font-size: 36px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 24px;
  }
  .footer-blue-bar-form {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 16px;
    border-radius: 6px;
    background: #fff;
    overflow: hidden;
    padding: 10px 0 10px 20px;
  }
  .footer-blue-bar-form .form-icon {
    height: 20px;
  }
  .footer-blue-bar-form input {
    flex: 1;
    padding: 10px 16px;
    font-size: 16px;
    border: none;
    outline: none;
  }
  .footer-blue-bar-form .form-btn {
    background: #fff;
    color: #316ffe;
    font-size: 16px;
    padding: 10px 32px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
  }
  .footer-blue-bar-img {
    width: 100%;
  }
  .footer-black-bar {
    background: #17181c;
    padding: 40px 0;
    margin-top: -8px;
  }
  .footer-black-bar-inner {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    color: #fff;
  }
  .footer-black-bar-logo {
    font-size: 32px;
    font-weight: bold;
    letter-spacing: 2px;
    margin-bottom: 20px;
  }
  .footer-black-bar-contact {
    font-size: 18px;
    margin-bottom: 30px;
  }
  .footer-black-bar-desc {
    font-size: 13px;
    color: #fff;
  }