* {
  box-sizing: border-box;
}
:root {
  --bg: #0E1730;
  --bg-2: #111D3D;
  --panel: #162447;
  --card: #1A2954;
  --soft: #1F315F;
  --nav: #121C3D;
  --blue: #6B8DFF;
  --title: #FFFFFF;
  --text: #EAF0FF;
  --muted: #B7C3E0;
  --dim: #8FA1C7;
  --border: rgba(107,141,255,0.18);
  --line: rgba(255,255,255,0.08);
  --shadow: 0 14px 32px rgba(0,0,0,0.28);
  --btn: linear-gradient(135deg, #5C7CFA 0%, #6B8DFF 52%, #89A5FF 100%);
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: radial-gradient(circle at 10% 0%, rgba(107,141,255,.12), transparent 32%), var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.75;
  padding-top: 125px;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  max-width: 100%;
}
.wrap {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 12px 28px rgba(0,0,0,.22);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}
.site-logo {
  color: var(--title);
  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-wrap: nowrap;
  flex: 1;
}
.nav-core a {
  color: var(--title);
  position: relative;
  font-size: 15px;
  padding: 8px 0;
  transition: color .2s ease;
}
.nav-core a:hover,
.nav-core a.active {
  color: var(--title);
}
.nav-core a:hover::after,
.nav-core a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -12px;
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: var(--blue);
  transform: translateX(-50%);
}
.channel-bar {
  background: var(--panel);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.channel-scroll {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-scroll::-webkit-scrollbar {
  display: none;
}
.channel-bar a {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 999px;
  white-space: nowrap;
  font-size: 14px;
}
.channel-bar a:hover,
.channel-bar a.active {
  color: var(--title);
  background: rgba(107,141,255,0.18);
}
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  color: #fff;
  background: var(--btn);
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(92,124,250,.28);
  border: 0;
  white-space: nowrap;
}
.header-btn {
  min-width: 88px;
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 0;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: #fff;
}
main {
  min-height: 70vh;
}
.banner-slider {
  max-width: 1180px;
  margin: 24px auto 34px;
  border-radius: 22px;
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
  height: clamp(260px, 31vw, 360px);
  border: 1px solid rgba(107,141,255,.18);
}
.banner-slider .slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .45s ease, visibility .45s ease;
}
.banner-slider .slide.active {
  opacity: 1;
  visibility: visible;
}
.banner-slider img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--panel);
}
.slider-prev,
.slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.22);
  background: rgba(10,16,36,.58);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  z-index: 3;
}
.slider-prev { left: 16px; }
.slider-next { right: 16px; }
.slider-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 8px;
}
.slider-dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border-radius: 999px;
  border: 0;
  background: rgba(255,255,255,.42);
  cursor: pointer;
}
.slider-dot.active {
  width: 24px;
  background: var(--blue);
}
.banner-caption,
.banner-text,
.slide-title,
.slide-desc,
.slide-content,
.slide-card,
.banner-card {
  display: none !important;
}
.section {
  padding: 36px 0;
}
.section.tight {
  padding: 22px 0;
}
.section-head {
  margin-bottom: 18px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}
h1,
h2,
h3,
.section-title {
  color: var(--title);
  margin: 0 0 12px;
  line-height: 1.32;
}
h1 {
  font-size: clamp(30px, 4vw, 52px);
}
h2,
.section-title {
  font-size: clamp(24px, 2.4vw, 34px);
}
h3 {
  font-size: 20px;
}
p {
  margin: 0 0 12px;
  color: var(--muted);
}
.lead {
  font-size: 17px;
  color: var(--text);
  max-width: 780px;
}
.kicker {
  display: inline-flex;
  margin-bottom: 12px;
  color: #fff;
  background: rgba(107,141,255,.16);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
}
.hero-panel,
.card,
.zone-card,
.info-card,
.review-card,
.faq-item,
.notice-card,
.page-hero {
  background: linear-gradient(180deg, rgba(31,49,95,.96), rgba(26,41,84,.96));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 18px;
}
.hero-panel {
  padding: clamp(26px, 4vw, 46px);
  position: relative;
  overflow: hidden;
}
.hero-panel::after,
.page-hero::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -120px;
  top: -120px;
  background: rgba(107,141,255,.16);
  border-radius: 50%;
  filter: blur(2px);
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
}
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 18px;
}
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card,
.info-card,
.review-card,
.faq-item,
.notice-card {
  padding: 22px;
}
.card strong,
.notice-card strong,
.info-card strong {
  color: var(--title);
}
.image-card {
  overflow: hidden;
  padding: 0;
}
.image-card .card-body {
  padding: 20px;
}
.zone-card {
  overflow: hidden;
}
.zone-card img,
.info-card img,
.content-img {
  max-width: 100%;
  height: auto;
  max-height: 230px;
  object-fit: contain;
  margin: 0 auto;
  background: var(--panel);
}
.product-card img,
.matrix-card img,
.page-image {
  width: 100%;
  height: 160px;
  object-fit: contain;
  background: var(--panel);
  border-radius: 16px 16px 0 0;
}
.product-card,
.matrix-card {
  overflow: hidden;
}
.product-card .card-body,
.matrix-card .card-body {
  padding: 18px;
}
.media-row {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr);
  gap: 24px;
  align-items: center;
}
.media-row.reverse {
  grid-template-columns: minmax(280px, .95fr) minmax(0, 1.05fr);
}
.media-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 16px;
  box-shadow: var(--shadow);
}
.media-box img {
  width: 100%;
  height: clamp(220px, 28vw, 300px);
  object-fit: contain;
  background: var(--panel);
  border-radius: 16px;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.tag-list a,
.tag-list span {
  color: var(--text);
  background: rgba(107,141,255,.13);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 14px;
}
.news-list {
  display: grid;
  gap: 12px;
}
.news-item {
  display: grid;
  grid-template-columns: 120px minmax(0,1fr);
  gap: 16px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(26,41,84,.85);
}
.news-item span {
  color: var(--blue);
  font-weight: 700;
}
.review-card p {
  color: var(--text);
}
.review-card small {
  color: var(--dim);
}
.faq-item summary {
  cursor: pointer;
  color: var(--title);
  font-weight: 700;
}
.faq-item p {
  margin-top: 10px;
}
.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 5vw, 58px);
  margin: 28px auto 20px;
}
.breadcrumb {
  color: var(--dim);
  font-size: 14px;
  margin-bottom: 12px;
}
.breadcrumb a {
  color: var(--muted);
}
.split-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.split-list li {
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  border-radius: 14px;
  padding: 14px;
  color: var(--muted);
}
.page-content {
  padding-bottom: 42px;
}
.alert-note {
  padding: 20px;
  border-radius: 18px;
  color: var(--text);
  background: rgba(107,141,255,.11);
  border: 1px solid var(--border);
}
.site-footer {
  background: #0A1024;
  color: #C8D4F3;
  padding: 46px 0 18px;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr 1fr;
  gap: 26px;
}
.footer-logo {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}
.site-footer h3 {
  font-size: 18px;
}
.site-footer a:not(.main-btn) {
  display: block;
  color: #C8D4F3;
  margin-bottom: 8px;
}
.footer-btn {
  margin-top: 8px;
}
.footer-bottom {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  color: #8FA1C7;
  font-size: 14px;
}
.drawer-mask,
.mobile-drawer,
.mobile-bottom-nav {
  display: none;
}
body.drawer-open {
  overflow: hidden;
}
.register-page {
  min-height: calc(100vh - 125px);
  display: grid;
  place-items: center;
  padding: 50px 0;
}
.register-box {
  width: min(720px, calc(100% - 40px));
  padding: 36px;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(31,49,95,.96), rgba(26,41,84,.96));
  box-shadow: var(--shadow);
}
@media (max-width: 980px) {
  body {
    padding-top: 72px;
    padding-bottom: 72px;
  }
  .wrap {
    width: min(100% - 28px, 1180px);
  }
  .header-inner {
    min-height: 72px;
    display: grid;
    grid-template-columns: 48px 1fr auto;
    gap: 12px;
  }
  .site-logo {
    text-align: center;
    font-size: 24px;
  }
  .nav-core,
  .channel-bar {
    display: none;
  }
  .menu-toggle {
    display: inline-flex;
  }
  .header-btn {
    min-width: 76px;
    padding: 0 16px;
  }
  .drawer-mask {
    position: fixed;
    inset: 0;
    z-index: 1200;
    background: rgba(0,0,0,.54);
  }
  .drawer-mask.open {
    display: block;
  }
  .mobile-drawer {
    display: block;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 82vw;
    max-width: 320px;
    background: #121C3D;
    z-index: 1300;
    transform: translateX(-102%);
    transition: transform .25s ease;
    box-shadow: 14px 0 32px rgba(0,0,0,.36);
    overflow-y: auto;
  }
  .mobile-drawer.open {
    transform: translateX(0);
  }
  .drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 18px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    color: #fff;
    font-size: 22px;
  }
  .drawer-close {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.04);
    color: #fff;
    font-size: 24px;
  }
  .drawer-links {
    padding: 12px;
  }
  .drawer-links a {
    display: block;
    padding: 12px 14px;
    border-radius: 12px;
    color: #fff;
    margin-bottom: 4px;
  }
  .drawer-links a.active,
  .drawer-links a:hover {
    background: rgba(107,141,255,.18);
  }
  .mobile-bottom-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 999;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: rgba(18,28,61,.96);
    border-top: 1px solid rgba(255,255,255,.16);
    backdrop-filter: blur(10px);
  }
  .mobile-bottom-nav a {
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 2px;
    color: var(--muted);
    font-size: 13px;
  }
  .mobile-bottom-nav span {
    font-size: 17px;
    line-height: 1;
  }
  .mobile-bottom-nav a.active {
    color: #fff;
    background: rgba(107,141,255,.14);
  }
  .grid-4,
  .grid-3,
  .grid-2,
  .media-row,
  .media-row.reverse,
  .footer-grid,
  .split-list {
    grid-template-columns: 1fr;
  }
  .section-head {
    display: block;
  }
  .banner-slider {
    width: calc(100% - 28px);
    height: clamp(150px, 46vw, 210px);
    margin: 18px auto 24px;
    border-radius: 16px;
  }
  .slider-prev,
  .slider-next {
    width: 34px;
    height: 34px;
    font-size: 20px;
  }
  .news-item {
    grid-template-columns: 1fr;
  }
  .product-card img,
  .matrix-card img,
  .page-image {
    height: 145px;
  }
  .media-box img {
    height: 220px;
  }
}
@media (max-width: 560px) {
  .card,
  .info-card,
  .review-card,
  .faq-item,
  .notice-card {
    padding: 18px;
  }
  .section {
    padding: 26px 0;
  }
  .hero-panel,
  .page-hero {
    padding: 24px;
    border-radius: 18px;
  }
  .site-logo {
    font-size: 22px;
  }
}