* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #FFFFFF;
  color: #222222;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.75;
  overflow-x: hidden;
  padding-top: 118px;
}

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

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

.site-header {
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(16,43,106,0.08);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
}

.top-nav {
  max-width: 1200px;
  margin: 0 auto;
  height: 70px;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 0 20px;
}

.brand-logo img,
.mobile-logo img {
  width: 128px;
  max-height: 48px;
  object-fit: contain;
}

.nav-core {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  min-width: 0;
}

.nav-core a {
  color: #102B6A;
  position: relative;
  font-weight: 600;
  white-space: nowrap;
  padding: 8px 4px;
}

.nav-core a:hover,
.nav-core a.active {
  color: #E8212E;
}

.nav-core a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -12px;
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, #E8212E, #1E63D6);
  transform: translateX(-50%);
}

.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #E8212E 0%, #D91838 42%, #1E63D6 100%);
  color: #FFFFFF;
  border-radius: 999px;
  box-shadow: 0 12px 26px rgba(232,33,46,0.22);
  padding: 10px 22px;
  font-weight: 700;
  transition: transform .22s ease, box-shadow .22s ease;
  border: 0;
  cursor: pointer;
  white-space: nowrap;
}

.main-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(30,99,214,0.24);
}

.small-btn {
  padding: 8px 14px;
  font-size: 13px;
}

.header-register {
  flex: 0 0 auto;
}

.channel-bar {
  background: rgba(246,248,255,0.88);
  border-top: 1px solid rgba(30,99,214,0.10);
  border-bottom: 1px solid rgba(30,99,214,0.10);
  overflow-x: auto;
  white-space: nowrap;
}

.channel-scroll {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
  padding: 10px 20px;
}

.channel-bar a {
  color: #5F6472;
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 14px;
  flex: 0 0 auto;
}

.channel-bar a:hover,
.channel-bar a.active {
  color: #E8212E;
  background: linear-gradient(135deg, rgba(232,33,46,0.08), rgba(30,99,214,0.08));
}

.mobile-topbar {
  display: none;
}

.menu-toggle {
  border: 0;
  background: #F6F8FF;
  color: #102B6A;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  font-size: 20px;
  cursor: pointer;
}

.floating-service {
  position: fixed;
  right: 18px;
  top: 42%;
  transform: translateY(-50%);
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.floating-service a,
.floating-service button {
  min-width: 88px;
  text-align: center;
  background: #FFFFFF;
  color: #1E63D6;
  border: 1px solid rgba(30,99,214,0.14);
  box-shadow: 0 14px 30px rgba(16,43,106,0.10);
  border-radius: 999px;
  padding: 9px 12px;
  font: inherit;
  cursor: pointer;
}

.floating-service a.register-link {
  background: linear-gradient(135deg, #E8212E 0%, #D91838 42%, #1E63D6 100%);
  color: #FFFFFF;
  border: 0;
}

.page-main,
.home-main {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px 48px;
}

.banner-slider {
  max-width: 1200px;
  height: 340px;
  margin: 24px auto 34px;
  border-radius: 22px;
  background: #FFFFFF;
  box-shadow: 0 16px 40px rgba(16,43,106,0.10);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.banner-slider .slide {
  display: none;
  width: 100%;
  height: 100%;
}

.banner-slider .slide.active {
  display: block;
}

.banner-slider img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #FFFFFF;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  border: none;
  border-radius: 999px;
  width: 42px;
  height: 42px;
  background: rgba(255,255,255,0.86);
  color: #1E63D6;
  box-shadow: 0 8px 20px rgba(16,43,106,0.14);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.slider-prev {
  left: 18px;
}

.slider-next {
  right: 18px;
}

.slider-dots {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}

.slider-dots button {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: none;
  background: rgba(30,99,214,0.24);
  cursor: pointer;
  padding: 0;
}

.slider-dots button.active {
  background: linear-gradient(90deg, #E8212E, #1E63D6);
}

.section-wrap {
  margin: 34px 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 20px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-kicker,
.tag,
.label,
.num,
.badge {
  color: #E8212E;
  font-weight: 800;
  letter-spacing: .04em;
}

h1,
h2,
h3,
.section-title {
  color: #102B6A;
  line-height: 1.28;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(32px, 4vw, 52px);
}

h2 {
  font-size: clamp(24px, 3vw, 34px);
}

h3 {
  font-size: 20px;
}

p {
  margin: 0 0 14px;
}

.text-link {
  color: #1E63D6;
  font-weight: 700;
}

.text-link:hover {
  color: #E8212E;
}

.brand-intro,
.inner-hero {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 28px;
  align-items: center;
  background: linear-gradient(135deg, #F6F8FF, #FFFFFF 48%, #FFF3F4);
  border: 1px solid rgba(30,99,214,0.10);
  border-radius: 26px;
  padding: clamp(24px, 4vw, 44px);
  box-shadow: 0 16px 40px rgba(16,43,106,0.08);
}

.brand-intro-media,
.inner-hero-media {
  background: #FFFFFF;
  border-radius: 22px;
  padding: 16px;
  box-shadow: inset 0 0 0 1px rgba(30,99,214,0.09);
}

.brand-intro-media img,
.inner-hero-media img,
.content-img,
.zone-card img,
.app-section img,
.hero-visual img {
  width: 100%;
  max-height: 300px;
  object-fit: contain;
  background: #FFFFFF;
  border-radius: 16px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.quick-cats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.cat-pill,
.info-card,
.zone-card,
.review-card,
.wall-card,
.notice-box,
.card {
  background: #FFFFFF;
  border: 1px solid rgba(30,99,214,0.12);
  box-shadow: 0 16px 40px rgba(16,43,106,0.10);
  border-radius: 22px;
}

.cat-pill {
  padding: 18px;
  transition: transform .22s ease, box-shadow .22s ease;
}

.cat-pill:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 44px rgba(30,99,214,0.14);
}

.platform-strip {
  background: linear-gradient(135deg, #F2F6FF, #FFFFFF, #FFF3F4);
  border-radius: 24px;
  border: 1px solid rgba(30,99,214,0.10);
  padding: 24px 28px;
  color: #5F6472;
}

.info-board,
.feature-grid,
.review-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.info-card {
  padding: 22px;
}

.info-card .num {
  display: inline-flex;
  margin-bottom: 10px;
  font-size: 18px;
}

.two-column,
.media-row,
.app-section,
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-items: stretch;
}

.zone-card,
.wall-card,
.notice-box {
  padding: 22px;
}

.zone-card img,
.wall-card img {
  margin-bottom: 16px;
  max-height: 220px;
}

.card-points,
.check-list {
  margin: 14px 0 0;
  padding-left: 20px;
  color: #5F6472;
}

.card-points li,
.check-list li {
  margin: 6px 0;
}

.app-section {
  background: #EEF4FF;
  border-radius: 26px;
  padding: 26px;
  border: 1px solid rgba(30,99,214,0.10);
}

.app-section img {
  max-height: 260px;
}

.function-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 16px 0;
}

.function-list span {
  background: #FFFFFF;
  color: #102B6A;
  border-radius: 16px;
  padding: 12px 14px;
  border: 1px solid rgba(30,99,214,0.10);
}

.content-wall {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.security-band,
.light-band {
  background: #F6F8FF;
  border-radius: 26px;
  padding: 28px;
  border: 1px solid rgba(30,99,214,0.10);
}

.review-grid {
  grid-template-columns: repeat(3, 1fr);
}

.review-card {
  padding: 20px;
  color: #5F6472;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  background: #FFFFFF;
  border: 1px solid rgba(30,99,214,0.12);
  border-radius: 18px;
  padding: 16px 18px;
  box-shadow: 0 10px 28px rgba(16,43,106,0.06);
}

.faq-list summary {
  color: #102B6A;
  font-weight: 800;
  cursor: pointer;
}

.faq-list p {
  color: #5F6472;
  margin-top: 10px;
}

.reminder-footer {
  background: #FFF3F4;
  border: 1px solid rgba(232,33,46,0.12);
  border-radius: 22px;
  padding: 22px;
  color: #5F6472;
}

.text-panel {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #5F6472;
}

.text-panel strong {
  color: #102B6A;
  font-size: 22px;
  margin-bottom: 12px;
}

.site-footer {
  background: #071A46;
  color: #EAF0FF;
  margin-top: 36px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 42px 20px 28px;
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 34px;
}

.footer-brand img {
  width: 140px;
  max-height: 54px;
  object-fit: contain;
  margin-bottom: 16px;
}

.footer-brand p,
.footer-note p {
  color: rgba(234,240,255,0.78);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.footer-links h3 {
  color: #FFFFFF;
  font-size: 17px;
}

.footer-links a {
  display: block;
  color: rgba(234,240,255,0.78);
  margin: 8px 0;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-note {
  border-top: 1px solid rgba(234,240,255,0.14);
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px 26px;
}

.drawer-mask {
  display: none;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 84vw;
  max-width: 320px;
  height: 100vh;
  background: #FFFFFF;
  z-index: 200;
  transform: translateX(-105%);
  transition: transform .25s ease;
  box-shadow: 16px 0 34px rgba(16,43,106,0.16);
  overflow-y: auto;
}

.drawer-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px;
  border-bottom: 1px solid rgba(30,99,214,0.10);
}

.drawer-head img {
  width: 124px;
  max-height: 46px;
  object-fit: contain;
}

.drawer-head button {
  width: 36px;
  height: 36px;
  border: 0;
  background: #F6F8FF;
  color: #102B6A;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
}

.drawer-nav {
  display: grid;
  gap: 4px;
  padding: 14px;
}

.drawer-nav a {
  color: #102B6A;
  padding: 12px 14px;
  border-radius: 14px;
  font-weight: 700;
}

.drawer-nav a.active,
.drawer-nav a:hover {
  background: #F2F6FF;
  color: #E8212E;
}

.mobile-bottom-nav {
  display: none;
}

.drawer-open {
  overflow: hidden;
}

.drawer-open .mobile-drawer {
  transform: translateX(0);
}

.drawer-open .drawer-mask {
  display: block;
  position: fixed;
  inset: 0;
  background: rgba(7,26,70,0.38);
  z-index: 190;
}

@media (max-width: 1100px) {
  .floating-service {
    display: none;
  }
  .info-board,
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .quick-cats {
    grid-template-columns: repeat(2, 1fr);
  }
  .review-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 780px) {
  body {
    padding-top: 64px;
    padding-bottom: 74px;
  }
  .top-nav,
  .channel-bar {
    display: none;
  }
  .mobile-topbar {
    height: 64px;
    display: grid;
    grid-template-columns: 44px 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 0 12px;
  }
  .mobile-logo {
    display: flex;
    justify-content: center;
  }
  .mobile-logo img {
    width: 116px;
  }
  .page-main,
  .home-main {
    padding: 0 14px 36px;
  }
  .banner-slider {
    height: 190px;
    margin: 16px auto 24px;
    border-radius: 18px;
  }
  .slider-arrow {
    width: 34px;
    height: 34px;
    font-size: 22px;
  }
  .slider-prev {
    left: 10px;
  }
  .slider-next {
    right: 10px;
  }
  .brand-intro,
  .inner-hero,
  .two-column,
  .media-row,
  .app-section,
  .support-grid,
  .content-wall,
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .brand-intro,
  .inner-hero,
  .app-section,
  .security-band,
  .light-band {
    padding: 20px;
    border-radius: 20px;
  }
  .quick-cats,
  .info-board,
  .feature-grid,
  .review-grid,
  .function-list,
  .footer-links {
    grid-template-columns: 1fr;
  }
  .section-wrap {
    margin: 26px 0;
  }
  .hero-actions {
    gap: 12px;
  }
  .mobile-bottom-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(30,99,214,0.12);
    border-radius: 20px;
    box-shadow: 0 14px 34px rgba(16,43,106,0.18);
    z-index: 90;
    overflow: hidden;
  }
  .mobile-bottom-nav a {
    text-align: center;
    color: #102B6A;
    font-weight: 800;
    padding: 10px 4px;
    font-size: 13px;
  }
  .mobile-bottom-nav a:hover {
    color: #E8212E;
    background: #F6F8FF;
  }
}

@media (max-width: 420px) {
  .small-btn {
    padding: 7px 11px;
    font-size: 12px;
  }
  .banner-slider {
    height: 170px;
  }
  h1 {
    font-size: 28px;
  }
}
