* {
  box-sizing: border-box;
}

:root {
  --page-bg: #0E1730;
  --sub-bg: #111D3D;
  --content-bg: #162447;
  --card-bg: #1A2954;
  --soft-bg: #1F315F;
  --nav-bg: #121C3D;
  --blue: #6B8DFF;
  --blue-soft: rgba(107,141,255,0.18);
  --text: #EAF0FF;
  --muted: #B7C3E0;
  --light-muted: #8FA1C7;
  --line: rgba(255,255,255,0.08);
  --card-line: rgba(107,141,255,0.18);
  --shadow: 0 14px 32px rgba(0,0,0,0.28);
  --radius: 18px;
  --max: 1180px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: radial-gradient(circle at 16% 0%, rgba(107,141,255,0.15), transparent 32%), var(--page-bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.75;
  padding-top: 124px;
  min-width: 320px;
  overflow-x: hidden;
}

body.drawer-open {
  overflow: hidden;
}

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

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

.site-header {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  min-height: 72px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo,
.footer-logo {
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 1px;
  white-space: nowrap;
}

.nav-core {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.nav-core a {
  color: #fff;
  position: relative;
  font-size: 15px;
  padding: 24px 0;
  transition: color .2s ease;
}

.nav-core a:hover {
  color: #AFC0FF;
}

.nav-core a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 13px;
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: var(--blue);
  transform: translateX(-50%);
}

.register-btn,
.drawer-register,
.main-btn,
.text-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #5C7CFA 0%, #6B8DFF 52%, #89A5FF 100%);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 12px 25px rgba(92,124,250,0.26);
  border: 0;
  white-space: nowrap;
}

.channel-bar {
  background: var(--content-bg);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.channel-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 8px 22px;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.channel-inner::-webkit-scrollbar {
  display: none;
}

.channel-inner a {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  padding: 7px 13px;
  border-radius: 999px;
  white-space: nowrap;
  font-size: 14px;
  transition: background .2s ease, color .2s ease;
}

.channel-inner a:hover,
.channel-inner a.active {
  color: #fff;
  background: var(--blue-soft);
}

.mobile-menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--card-line);
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  padding: 9px;
}

.mobile-menu-btn span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: #fff;
  border-radius: 99px;
}

.site-main {
  min-height: 60vh;
}

.container,
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 22px;
}

.section {
  margin-top: 34px;
}

.hero-page {
  max-width: var(--max);
  margin: 24px auto 0;
  padding: 0 22px;
}

.hero-panel,
.page-hero,
.banner-intro {
  background: linear-gradient(145deg, rgba(31,49,95,0.96), rgba(17,29,61,0.96));
  border: 1px solid var(--card-line);
  border-radius: 24px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel {
  padding: 34px;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 28px;
  align-items: center;
}

.page-hero {
  padding: 34px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 28px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #AFC0FF;
  background: rgba(107,141,255,0.14);
  border: 1px solid rgba(107,141,255,0.20);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
}

h1,
h2,
h3,
.section-title {
  color: #fff;
  line-height: 1.28;
}

h1 {
  font-size: clamp(30px, 5vw, 52px);
  margin: 15px 0 16px;
}

h2,
.section-title {
  font-size: clamp(24px, 3.2vw, 34px);
  margin: 0 0 14px;
}

h3 {
  font-size: 20px;
  margin: 0 0 10px;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
}

.lead {
  color: var(--text);
  font-size: 17px;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--card-line);
  color: #fff;
  background: rgba(255,255,255,0.04);
}

.hero-img,
.page-hero-img,
.content-img {
  width: 100%;
  object-fit: contain;
  background: var(--content-bg);
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.06);
}

.hero-img {
  height: 280px;
  max-height: 300px;
}

.page-hero-img {
  height: 275px;
  max-height: 300px;
}

.banner-slider {
  max-width: var(--max);
  margin: 24px auto 34px;
  border-radius: 22px;
  background: var(--content-bg);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
  height: 340px;
  border: 1px solid rgba(107,141,255,0.14);
}

.banner-slider .slides,
.banner-slider .slide {
  width: 100%;
  height: 100%;
}

.banner-slider .slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity .45s ease;
}

.banner-slider .slide.active {
  opacity: 1;
  pointer-events: auto;
  position: absolute;
}

.banner-slider img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--content-bg);
}

.banner-caption,
.banner-text,
.slide-title,
.slide-desc,
.slide-content,
.slide-card,
.banner-card {
  display: none !important;
}

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(10,16,36,0.58);
  cursor: pointer;
}

.slider-prev {
  left: 16px;
}

.slider-next {
  right: 16px;
}

.slider-arrow::before {
  display: block;
  color: #fff;
  font-size: 30px;
  line-height: 38px;
  text-align: center;
  font-family: Arial, sans-serif;
}

.slider-prev::before {
  content: "‹";
}

.slider-next::before {
  content: "›";
}

.slider-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.slider-dots button {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.48);
  cursor: pointer;
}

.slider-dots button.active {
  width: 24px;
  border-radius: 999px;
  background: var(--blue);
}

.card,
.zone-card,
.info-card,
.review-card,
.notice-card,
.faq-card,
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-line);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.card,
.info-card,
.review-card,
.notice-card,
.faq-card,
.stat-card {
  padding: 22px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.quick-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.quick-list .info-card {
  min-height: 154px;
}

.zone-card {
  overflow: hidden;
}

.zone-card img,
.info-card img,
.content-img {
  max-width: 100%;
  height: auto;
  max-height: 230px;
  object-fit: contain;
}

.zone-card img,
.product-card img {
  width: 100%;
  height: 160px;
  object-fit: contain;
  background: var(--content-bg);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.zone-card-body {
  padding: 20px;
}

.split {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 22px;
  align-items: center;
}

.split.reverse {
  grid-template-columns: 1.05fr .95fr;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 18px;
}

.section-head p {
  max-width: 660px;
}

.label-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.label-row span {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  color: #DDE5FF;
  background: rgba(107,141,255,0.15);
  border: 1px solid rgba(107,141,255,0.18);
  font-size: 13px;
}

.review-card {
  position: relative;
}

.review-card strong {
  display: block;
  color: #fff;
  margin-bottom: 8px;
}

.faq-card details {
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}

.faq-card details:last-child {
  border-bottom: 0;
}

.faq-card summary {
  cursor: pointer;
  color: #fff;
  font-weight: 700;
}

.faq-card details p {
  margin-top: 10px;
}

.notice-card {
  background: linear-gradient(145deg, rgba(107,141,255,0.14), rgba(26,41,84,0.95));
}

.page-content {
  max-width: var(--max);
  margin: 34px auto 0;
  padding: 0 22px 50px;
}

.text-block {
  display: grid;
  gap: 18px;
}

.text-block .card p:last-child,
.info-card p:last-child,
.zone-card p:last-child,
.notice-card p:last-child,
.review-card p:last-child {
  margin-bottom: 0;
}

.breadcrumb {
  color: var(--light-muted);
  font-size: 13px;
  margin-bottom: 10px;
}

.breadcrumb a {
  color: #AFC0FF;
}

.site-footer {
  margin-top: 54px;
  background: #0A1024;
  color: #C8D4F3;
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 42px 22px;
  display: grid;
  grid-template-columns: 1.15fr 1.85fr;
  gap: 30px;
}

.footer-brand p {
  max-width: 420px;
  margin-top: 12px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.footer-grid h3 {
  font-size: 16px;
}

.footer-grid a {
  display: block;
  color: #C8D4F3;
  margin: 7px 0;
}

.footer-note {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 22px 26px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.drawer-mask,
.mobile-drawer {
  display: none;
}

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

@media (max-width: 980px) {
  body {
    padding-top: 64px;
    padding-bottom: 72px;
  }

  .header-inner {
    min-height: 64px;
    padding: 0 14px;
    gap: 12px;
  }

  .site-logo {
    font-size: 24px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }

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

  .nav-core,
  .channel-bar {
    display: none;
  }

  .register-btn {
    min-height: 38px;
    padding: 0 16px;
    margin-left: auto;
  }

  .drawer-mask {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1200;
    background: rgba(0,0,0,0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
  }

  .mobile-drawer {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 84vw;
    max-width: 320px;
    height: 100vh;
    z-index: 1201;
    background: #121C3D;
    transform: translateX(-105%);
    transition: transform .25s ease;
    border-right: 1px solid rgba(255,255,255,0.08);
    overflow-y: auto;
  }

  .drawer-open .drawer-mask {
    opacity: 1;
    pointer-events: auto;
  }

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

  .drawer-head {
    height: 64px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .drawer-head strong {
    color: #fff;
    font-size: 22px;
  }

  .drawer-head button {
    color: #fff;
    background: transparent;
    border: 0;
    font-size: 30px;
    line-height: 1;
  }

  .drawer-nav {
    padding: 12px 14px;
    display: grid;
    gap: 6px;
  }

  .drawer-nav a {
    color: #fff;
    padding: 12px 14px;
    border-radius: 12px;
  }

  .drawer-nav a.active {
    background: rgba(107,141,255,0.18);
    color: #fff;
  }

  .drawer-register {
    margin: 12px 18px 24px;
  }

  .mobile-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    height: 62px;
    z-index: 998;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: rgba(18,28,61,0.96);
    border-top: 1px solid rgba(255,255,255,0.12);
    backdrop-filter: blur(12px);
  }

  .mobile-bottom-nav a {
    color: var(--muted);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    font-size: 13px;
    gap: 3px;
  }

  .mobile-bottom-nav a span {
    width: 18px;
    height: 3px;
    border-radius: 999px;
    background: rgba(255,255,255,0.28);
  }

  .mobile-bottom-nav a.active {
    color: #fff;
  }

  .mobile-bottom-nav a.active span {
    background: var(--blue);
  }

  .banner-slider {
    margin: 14px 14px 26px;
    height: 188px;
    border-radius: 16px;
  }

  .slider-arrow {
    width: 36px;
    height: 36px;
  }

  .hero-panel,
  .page-hero,
  .split,
  .split.reverse,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .quick-list,
  .grid-4,
  .grid-3,
  .grid-2,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel,
  .page-hero {
    padding: 24px;
  }

  .hero-img,
  .page-hero-img {
    height: 220px;
  }

  .section-head,
  .footer-note {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (min-width: 981px) and (max-width: 1160px) {
  .nav-core {
    gap: 16px;
  }

  .nav-core a {
    font-size: 14px;
  }

  .site-logo {
    font-size: 25px;
  }

  .register-btn {
    padding: 0 18px;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: 30px;
  }

  .hero-page,
  .container,
  .section,
  .page-content {
    padding-left: 14px;
    padding-right: 14px;
  }

  .hero-panel,
  .page-hero,
  .card,
  .info-card,
  .review-card,
  .notice-card,
  .faq-card,
  .stat-card {
    padding: 18px;
  }

  .zone-card img,
  .product-card img {
    height: 140px;
  }

  .hero-actions,
  .section-actions {
    flex-direction: column;
  }

  .main-btn,
  .ghost-btn {
    width: 100%;
  }
}