/* 首屏 */
.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 78px;
}
.hero::before {
  content: "";
  position: absolute;
  right: -120px;
  top: 40px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background: radial-gradient(circle,rgba(22,100,255,.12) 0%,rgba(22,100,255,.04) 42%,transparent 70%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0,1.08fr) minmax(360px,.92fr);
  gap: 48px;
  align-items: center;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 13px;
  border: 1px solid #cfe0ff;
  border-radius: 999px;
  background: #edf5ff;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .5px;
}
.kicker::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 5px rgba(22,100,255,.12);
}
.hero h1 {
  margin: 22px 0 18px;
  color: var(--text-dark);
  font-size: 48px;
  line-height: 1.16;
  letter-spacing: -1.2px;
}
.hero h1 span {
  color: var(--primary);
}
.hero p {
  max-width: 680px;
  margin: 0;
  color: #5f6f86;
  font-size: 17px;
  line-height: 1.9;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.hero-tags span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #49627f;
  font-size: 13px;
}
.hero-tags span::before {
  content: "";
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  box-shadow: inset 0 0 0 4px #dceaff;
}
/* 首屏科技插画 */
.hero-visual {
  position: relative;
  min-height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle,rgba(22,100,255,.18),rgba(22,100,255,.05) 48%,transparent 70%);
}
.visual-card {
  position: relative;
  z-index: 2;
  width: 360px;
  border: 1px solid #dce8f8;
  border-radius: 22px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 28px 70px rgba(22,80,160,.18);
  backdrop-filter: blur(12px);
  overflow: hidden;
}
.server-top {
  height: 54px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 22px;
  border-bottom: 1px solid #e7eef9;
  background: linear-gradient(180deg,#ffffff,#f7fbff);
}
.server-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.server-top span:nth-child(1) {
  background: #ff6b6b;
}
.server-top span:nth-child(2) {
  background: #f7c948;
}
.server-top span:nth-child(3) {
  background: #22c55e;
}
.server-screen {
  padding: 26px 24px;
}
.screen-line {
  height: 10px;
  border-radius: 999px;
  background: #e6eefb;
  margin-bottom: 12px;
}
.screen-line.w80 {
  width: 80%;
}
.screen-line.w60 {
  width: 60%;
}
.screen-line.w90 {
  width: 90%;
}
.screen-chart {
  height: 150px;
  margin-top: 28px;
  padding: 0 12px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  border-left: 1px solid #dbe6f5;
  border-bottom: 1px solid #dbe6f5;
}
.screen-chart i {
  width: 24px;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg,#1b70ff,#00b8ff);
  box-shadow: 0 8px 18px rgba(22,100,255,.18);
}
.screen-chart .bar-38 {
  height: 38%;
}
.screen-chart .bar-62 {
  height: 62%;
}
.screen-chart .bar-46 {
  height: 46%;
}
.screen-chart .bar-78 {
  height: 78%;
}
.screen-chart .bar-54 {
  height: 54%;
}
.screen-chart .bar-88 {
  height: 88%;
}
.server-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid #e7eef9;
}
.server-bottom div {
  padding: 18px 20px;
  background: #fbfdff;
}
.server-bottom div:first-child {
  border-right: 1px solid #e7eef9;
}
.server-bottom b {
  display: block;
  color: var(--primary);
  font-size: 24px;
}
.server-bottom span {
  color: #6b7d96;
  font-size: 13px;
}
.float-card {
  position: absolute;
  z-index: 3;
  min-width: 180px;
  padding: 14px 16px;
  border: 1px solid #dce8f8;
  border-radius: 14px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 18px 36px rgba(22,80,160,.13);
  backdrop-filter: blur(12px);
  animation: floatMove 4.5s ease-in-out infinite;
}
.float-card strong {
  display: block;
  color: #143865;
  font-size: 14px;
  margin-bottom: 5px;
}
.float-card span {
  color: #6b7d96;
  font-size: 12px;
}
.card-network {
  top: 50px;
  left: 0;
}
.card-security {
  right: 0;
  top: 145px;
  animation-delay: .5s;
}
.card-monitor {
  left: 36px;
  bottom: 40px;
  animation-delay: 1s;
}
.orbit {
  position: absolute;
  border: 1px dashed rgba(22,100,255,.22);
  border-radius: 50%;
  animation: spin 18s linear infinite;
}
.orbit-1 {
  width: 440px;
  height: 220px;
}
.orbit-2 {
  width: 320px;
  height: 320px;
  animation-duration: 26s;
}
@keyframes floatMove {
  0%,100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}
@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
/* 公告栏 */
.notice-bar {
  margin-top: -34px;
  position: relative;
  z-index: 4;
}
.notice-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 22px;
  border: 1px solid #dce8f8;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(18,52,98,.08);
}
.notice-label {
  flex: none;
  height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  background: #eaf2ff;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
}
.notice-list {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 26px;
  overflow: hidden;
}
.notice-list a {
  color: #3d536f;
  font-size: 14px;
  white-space: nowrap;
}
.notice-list a:hover {
  color: var(--primary);
}
.notice-more {
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
}
/* 通用区块 */
.section {
  padding: 70px 0;
}
.section.gray {
  background: linear-gradient(180deg,#ffffff 0%,#f6f9fd 100%);
}
.section-head {
  margin-bottom: 34px;
  display: block;
  text-align: center;
}
.section-title {
  max-width: 760px;
  margin: 0 auto;
}
.section-title h2 {
  margin: 0;
  color: var(--text-dark);
  font-size: 34px;
  line-height: 1.25;
  letter-spacing: -.5px;
}
.section-title p {
  margin: 12px 0 0;
  color: #667085;
  font-size: 15px;
  line-height: 1.8;
}
.section-more {
  display: inline-block;
  margin-top: 16px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
}
/* 产品 Tab */
.product-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}
.product-tab {
  height: 42px;
  padding: 0 20px;
  border: 1px solid #d7e4f6;
  border-radius: 999px;
  background: #fff;
  color: #385273;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: .2s var(--ease);
}
.product-tab:hover, .product-tab.active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 22px rgba(22,100,255,.18);
}
.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}
/* 产品卡片 */
.cards {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 18px;
}
.card {
  position: relative;
  min-height: 250px;
  padding: 24px;
  border: 1px solid #dce8f8;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(18,52,98,.05);
  overflow: hidden;
  transition: .25s var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,rgba(22,100,255,.07),transparent 45%);
  opacity: 0;
  transition: .25s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  border-color: #99b9ff;
  box-shadow: var(--shadow-hover);
}
.card:hover::before {
  opacity: 1;
}
.card-icon {
  position: relative;
  z-index: 1;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  background: linear-gradient(135deg,var(--primary),var(--secondary));
  box-shadow: 0 10px 20px rgba(22,100,255,.22);
}
.card h3 {
  position: relative;
  z-index: 1;
  margin: 0 0 10px;
  color: #163660;
  font-size: 20px;
}
.card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #66758c;
  font-size: 14px;
  line-height: 1.75;
}
.price {
  position: relative;
  z-index: 1;
  margin-top: 22px;
  color: #5f6f86;
  font-size: 13px;
}
.price b {
  color: var(--primary);
  font-size: 30px;
  line-height: 1;
  margin-right: 3px;
}
.card-link {
  position: relative;
  z-index: 1;
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
}
.card-link::after {
  content: "→";
  margin-left: 6px;
  transition: .2s;
}
.card:hover .card-link::after {
  transform: translateX(4px);
}
/* 价格表 */
.price-table-wrap {
  overflow: auto;
  border: 1px solid #dce8f8;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(18,52,98,.06);
}
.price-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
}
.price-table th {
  padding: 18px 20px;
  background: #f4f8ff;
  color: #163660;
  font-size: 14px;
  text-align: left;
  border-bottom: 1px solid #dce8f8;
}
.price-table td {
  padding: 18px 20px;
  color: #4b5f7a;
  font-size: 14px;
  border-bottom: 1px solid #eef3fa;
}
.price-table tr:last-child td {
  border-bottom: none;
}
.price-table tr:hover td {
  background: #f8fbff;
}
.price-table .hot {
  display: inline-flex;
  height: 22px;
  padding: 0 8px;
  align-items: center;
  border-radius: 999px;
  background: #fff1e8;
  color: #ff6a00;
  font-size: 12px;
  font-weight: 800;
  margin-left: 6px;
}
.price-table .price-num {
  color: var(--primary);
  font-size: 22px;
  font-weight: 800;
}
/* 节点地图 */
.map-section {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 28px;
  align-items: center;
}
.map-info {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 14px;
}
.map-info-card {
  padding: 20px;
  border: 1px solid #dce8f8;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(18,52,98,.05);
}
.map-info-card b {
  display: block;
  color: var(--primary);
  font-size: 26px;
  margin-bottom: 8px;
}
.map-info-card span {
  color: #66758c;
  font-size: 14px;
}
.hk-map {
  position: relative;
  height: 360px;
  border: 1px solid #dce8f8;
  border-radius: 20px;
  background: radial-gradient(circle at 50% 50%,rgba(22,100,255,.2),transparent 32%), linear-gradient(135deg,#f7fbff,#edf5ff);
  overflow: hidden;
}
.hk-map::before {
  content: "";
  position: absolute;
  inset: 30px;
  border: 1px dashed rgba(22,100,255,.22);
  border-radius: 50%;
}
.hk-map::after {
  content: "";
  position: absolute;
  inset: 70px;
  border: 1px dashed rgba(22,100,255,.16);
  border-radius: 50%;
}
.map-dot {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 8px rgba(22,100,255,.14);
  z-index: 2;
}
.map-dot::after {
  content: attr(data-name);
  position: absolute;
  left: 22px;
  top: -6px;
  min-width: 88px;
  padding: 5px 9px;
  border-radius: 999px;
  background: #fff;
  color: #24456f;
  font-size: 12px;
  box-shadow: 0 8px 20px rgba(18,52,98,.12);
}
.dot-1 {
  left: 48%;
  top: 44%;
}
.dot-2 {
  left: 58%;
  top: 55%;
}
.dot-3 {
  left: 38%;
  top: 58%;
}
/* 优势 */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 18px;
}
.why-card {
  padding: 24px;
  border: 1px solid #dce8f8;
  border-radius: 16px;
  background: #fff;
  transition: .25s var(--ease);
}
.why-card:hover {
  transform: translateY(-5px);
  border-color: #99b9ff;
  box-shadow: var(--shadow-hover);
}
.why-icon {
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  background: #eef5ff;
  border: 1px solid #d4e4ff;
}
.why-card h3 {
  margin: 0 0 10px;
  color: #163660;
  font-size: 18px;
}
.why-card p {
  margin: 0;
  color: #66758c;
  font-size: 14px;
  line-height: 1.8;
}
/* 合作生态 */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(6,1fr);
  gap: 14px;
}
.partner-item {
  height: 82px;
  border: 1px solid #dce8f8;
  border-radius: 14px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #738199;
  font-size: 15px;
  font-weight: 800;
  transition: .22s var(--ease);
}
.partner-item:hover {
  transform: translateY(-4px);
  border-color: #99b9ff;
  color: var(--primary);
  box-shadow: 0 12px 30px rgba(18,52,98,.1);
}
/* CTA */
.cta {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border-radius: 20px;
  background: linear-gradient(135deg,#0f5fff 0%,#1684ff 52%,#19b7ff 100%);
  box-shadow: 0 18px 44px rgba(22,100,255,.24);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.cta::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,.14);
}
.cta > * {
  position: relative;
  z-index: 1;
}
.cta h2 {
  margin: 0;
  font-size: 30px;
  line-height: 1.3;
}
.cta p {
  margin: 10px 0 0;
  color: rgba(255,255,255,.82);
  font-size: 15px;
}
.cta .btn.light {
  border-color: rgba(255,255,255,.7);
  background: #fff;
  color: var(--primary);
}
.cta .btn.ghost {
  border-color: rgba(255,255,255,.52);
  background: rgba(255,255,255,.12);
  color: #fff;
}
.cta .btn.ghost:hover {
  background: rgba(255,255,255,.2);
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
/* 响应式 */
@media (max-width:1080px) {
  .nav {
    gap: 20px;
  }
  .cards {
    grid-template-columns: repeat(2,1fr);
  }
  .partner-grid {
    grid-template-columns: repeat(3,1fr);
  }
}
@media (max-width:960px) {
  .nav, .pc-only, .mega-menu {
    display: none;
  }
  .actions {
    min-width: auto;
  }
  .menu-btn {
    display: flex;
  }
  .topbar-inner {
    height: 64px;
  }
  .hero {
    padding: 58px 0 48px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero h1 {
    font-size: 36px;
  }
  .hero p {
    font-size: 15px;
  }
  .hero-visual {
    min-height: 360px;
  }
  .visual-card {
    width: 320px;
  }
  .float-card {
    display: none;
  }
  .notice-inner {
    height: auto;
    padding: 16px;
    align-items: flex-start;
    flex-direction: column;
  }
  .notice-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .section {
    padding: 50px 0;
  }
  .section-title h2 {
    font-size: 28px;
  }
  .map-section {
    grid-template-columns: 1fr;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px;
  }
}
@media (max-width:640px) {
  .container {
    padding: 0 15px;
  }
  .logo img {
    height: 30px;
    max-width: 170px;
  }
  .hero h1 {
    font-size: 31px;
    letter-spacing: -.6px;
  }
  .hero-cta {
    flex-direction: column;
  }
  .btn.large {
    width: 100%;
  }
  .cards {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    min-height: 320px;
  }
  .visual-card {
    width: 290px;
  }
  .map-info {
    grid-template-columns: 1fr;
  }
  .hk-map {
    height: 280px;
  }
  .partner-grid {
    grid-template-columns: repeat(2,1fr);
  }
  .product-tabs {
    gap: 8px;
  }
  .product-tab {
    height: 38px;
    padding: 0 14px;
    font-size: 13px;
  }
  .cta h2 {
    font-size: 24px;
  }
  .cta-actions {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .cta .btn {
    width: 100%;
  }
}
/* 普通按钮 */
.btn {
  height: 38px;
  padding: 0 16px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid #cddaf0;
  background: #fff;
  color: #24456f;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color .22s var(--ease), color .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease);
}
.btn:hover {
  color: var(--primary);
  border-color: #9dbdff;
  background: #f7fbff;
  transform: none;
  box-shadow: 0 8px 18px rgba(22,100,255,.1);
}
.btn.primary {
  border-color: var(--primary);
  background: linear-gradient(135deg,var(--primary),#2f7bff);
  color: #fff;
  box-shadow: 0 8px 18px rgba(22,100,255,.22);
}
.btn.primary:hover {
  color: #fff;
  border-color: var(--primary-dark);
  background: linear-gradient(135deg,var(--primary-dark),#1f6fff);
  box-shadow: 0 12px 24px rgba(22,100,255,.28);
  transform: none;
}
.btn.large {
  height: 46px;
  padding: 0 24px;
  font-size: 15px;
  border-radius: 8px;
}
.btn.light {
  border-color: #d8e5f8;
  background: #fff;
  color: #1d3d6d;
}