:root {
  --bg: #f3f5f7;
  --ink: #152032;
  --muted: #52627c;
  --brand: #005f8f;
  --brand-2: #26a5cf;
  --surface: #ffffff;
  --line: #dbe2ea;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  font-family: "Source Han Sans CN", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  background: var(--bg);
  color: var(--ink);
  scroll-behavior: smooth;
}

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

.container {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

.hero {
  background:
    radial-gradient(circle at 20% 20%, rgba(38, 165, 207, 0.24), transparent 40%),
    radial-gradient(circle at 80% 0%, rgba(0, 95, 143, 0.22), transparent 38%),
    linear-gradient(135deg, #f6f9fb 0%, #e9eef3 100%);
  padding-top: 0;
  padding-bottom: 40px;
}

.hero .nav.container {
  width: 100%;
  max-width: none;
}

.nav {
  display: grid;
  grid-template-columns: 1.1fr 145px 64px;
  position: sticky;
  top: 0;
  z-index: 1000;
  align-items: center;
  min-height: 64px;
  margin: 0 auto;
  background: #fff;
  border-bottom: 1px solid #e7e5e4;
}

.nav.nav--no-console {
  grid-template-columns: 1fr 64px;
}

.nav-cell {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-right: 1px solid #ecebeb;
  text-decoration: none;
  color: var(--ink);
}

.nav-cell:last-child {
  border-right: 0;
}

.nav-logo {
  justify-content: flex-start;
  padding-left: 28px;
  border-right: 0;
  background: #fff;
}

.logo-mark {
  width: 128px;
  height: 36px;
  object-fit: contain;
  object-position: left center;
}

.nav-console {
  background: #f3f3f5;
  font-size: 14px;
  font-weight: 500;
  color: #000;
}

.nav-menu-btn {
  border: 0;
  background: #f3f3f5;
  cursor: pointer;
  padding: 0;
  flex-direction: column;
  gap: 4px;
}

.nav-menu-btn span {
  width: 20px;
  height: 2px;
  background: #4f4ffe;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-menu-btn.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-menu-btn.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-menu-btn.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-menu-wrap {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}

.nav-menu-wrap.is-open {
  max-height: 320px;
}

.links {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px;
  border: 1px solid #cfdae4;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
}

.links a {
  text-decoration: none;
  font-size: 14px;
  color: var(--ink);
  padding: 8px 12px;
  border-radius: 8px;
  transition: background 0.2s ease, color 0.2s ease;
}

.links a:hover {
  background: #eaf3f9;
  color: var(--brand);
}

.hero-panel {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 24px;
  align-items: center;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid #d5e0e8;
  border-radius: 20px;
  padding: 26px;
  backdrop-filter: blur(3px);
}

.hero-carousel {
  margin-top: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid #d5e0e8;
  border-radius: 20px;
  padding: 22px;
  backdrop-filter: blur(3px);
  overflow: hidden;
}

.hero-carousel-viewport {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid #dbe5ee;
  aspect-ratio: 16 / 7;
  min-height: 320px;
  max-height: 500px;
  background:
    radial-gradient(circle at 20% 10%, rgba(38, 165, 207, 0.16), transparent 42%),
    radial-gradient(circle at 80% 90%, rgba(0, 95, 143, 0.14), transparent 40%),
    #f6f9fc;
}

.hero-carousel-track {
  --hero-slide-duration: 22s;
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background: #edf3f8;
}

.hero.hero-mode-carousel .hero-panel {
  display: none !important;
}

.hero.hero-mode-content .hero-carousel {
  display: none !important;
}

.hero-carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 999px;
  background: rgba(17, 32, 56, 0.22);
  color: #fff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}

.hero-carousel-btn:hover {
  background: rgba(17, 32, 56, 0.4);
}

.hero-carousel-btn:active {
  transform: translateY(-50%) scale(0.96);
}

.hero-carousel-btn--prev {
  left: 12px;
}

.hero-carousel-btn--next {
  right: 12px;
}

.hero-carousel-dots {
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(17, 32, 56, 0.14);
  backdrop-filter: blur(2px);
}

.hero-carousel-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  transition: all 0.2s ease;
}

.hero-carousel-dot.is-active {
  width: 22px;
  background: #ffffff;
}

.hero-copy h1 {
  margin: 8px 0 10px;
  font-size: clamp(30px, 5vw, 48px);
}

.hero-copy p {
  color: var(--muted);
  line-height: 1.65;
}

.tag {
  margin: 0;
  color: var(--brand);
  font-weight: 700;
  letter-spacing: 0.6px;
}

.cta-row {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.btn {
  padding: 10px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
}

.btn.primary {
  color: #fff;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
}

.btn.ghost {
  border: 1px solid var(--line);
  color: var(--ink);
  background: #fff;
}

.section {
  padding: 62px 0;
}

.quick-entry-section {
  margin-top: -6px;
  padding: 0 0 12px;
}

.quick-entry-shell {
  position: relative;
  overflow: hidden;
  border: 1px solid #d6e2eb;
  border-radius: 24px;
  padding: 26px;
  background:
    radial-gradient(circle at top right, rgba(38, 165, 207, 0.18), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.94), rgba(244, 249, 252, 0.96));
  box-shadow: 0 18px 42px rgba(19, 49, 80, 0.08);
}

.quick-entry-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.quick-entry-card {
  position: relative;
  overflow: hidden;
  min-height: 236px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  padding: 24px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.quick-entry-card::after {
  content: '';
  position: absolute;
  right: -22px;
  bottom: -22px;
  width: 140px;
  height: 140px;
  border-radius: 28px;
  transform: rotate(18deg);
  opacity: 0.28;
}

.quick-entry-card--gpu {
  background: linear-gradient(150deg, #f4fbff 0%, #e9f6fd 58%, #e1f1fa 100%);
  color: var(--ink);
}

.quick-entry-card--gpu::after {
  background: linear-gradient(135deg, rgba(0, 95, 143, 0.18), rgba(38, 165, 207, 0.06));
}

.quick-entry-card--api {
  background: linear-gradient(150deg, #eef7fb 0%, #ddeef6 58%, #d4e8f4 100%);
  color: var(--ink);
}

.quick-entry-card--api::after {
  background: linear-gradient(135deg, rgba(0, 95, 143, 0.18), rgba(38, 165, 207, 0.06));
}

.quick-entry-icon {
  width: 58px;
  height: 58px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 1px;
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(0, 95, 143, 0.12);
  color: var(--brand);
}

.quick-entry-tag {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  opacity: 0.78;
}

.quick-entry-card h3 {
  margin: 0;
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.18;
}

.quick-entry-card p:last-of-type {
  margin: 0;
  line-height: 1.75;
  max-width: 34rem;
}

.quick-entry-btn {
  width: fit-content;
  min-width: 132px;
  padding: 11px 18px;
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
  box-shadow: 0 10px 24px rgba(0, 95, 143, 0.14);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.quick-entry-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(0, 95, 143, 0.18);
}

.quick-entry-btn--primary {
  color: #ffffff;
  border: 1px solid rgba(0, 95, 143, 0.08);
  background: linear-gradient(135deg, #005f8f 0%, #0b4d79 100%);
}

.pricing-highlight-section {
  padding-top: 6px;
}

/* 1103.png style: cloud pricing section */
.cloud-price-title {
  text-align: center;
  margin-bottom: 18px;
}

.cloud-price-title h2 {
  margin: 0 0 10px;
  font-size: 34px;
}

.cloud-price-title p {
  margin: 0;
  color: var(--muted);
}

.cloud-price-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}

.cloud-price-grid:has(.cloud-plan:nth-child(2):last-child) {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  justify-content: center;
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 860px) {
  .cloud-price-grid:has(.cloud-plan:nth-child(2):last-child) {
    grid-template-columns: 1fr;
    max-width: 520px;
  }
}

.cloud-plan {
  position: relative;
  border-radius: 26px;
  padding: 26px 26px 20px;
  background: #ffffff;
  border: 3px solid #2f7aff;
  box-shadow: 0 22px 56px rgba(19, 49, 80, 0.14);
}

.cloud-plan--black {
  border-color: #0f172a;
}

.cloud-plan--black {
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.14);
}

.cloud-plan-badge {
  position: absolute;
  right: 18px;
  top: 18px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-radius: 8px;
  color: #ffffff;
  font-weight: 800;
  font-size: 12px;
  box-shadow: 0 10px 22px rgba(239, 68, 68, 0.25);
  background: #ef4444;
}

.cloud-plan-badge--recommend {
  background: #ef4444;
}

.cloud-plan-badge--new {
  background: #ef4444;
}

.cloud-plan-badge--hot {
  background: #ef4444;
}

.cloud-plan-name {
  margin: 18px 0 18px;
  text-align: center;
  font-size: 28px;
  color: #1d4ed8;
  letter-spacing: 0.6px;
}

.cloud-plan-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.cloud-plan-spec-item {
  border: 1px solid #dbe5ee;
  border-radius: 10px;
  padding: 12px 12px;
  background: #fbfdff;
  color: #50627e;
  font-weight: 700;
}

.cloud-plan-prices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}

.cloud-plan-price {
  border: 2px solid rgba(26, 46, 74, 0.4);
  border-radius: 14px;
  padding: 14px;
  background: #ffffff;
}

.cloud-plan-price--light {
  border-color: rgba(26, 46, 74, 0.45);
}

.cloud-plan-price--light {
  border-color: rgba(26, 46, 74, 0.45);
}

.cloud-plan-price--bluebox {
  border-color: #2f7aff;
  box-shadow: inset 0 0 0 2px rgba(59, 130, 246, 0.12);
}

.cloud-plan-price-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-weight: 800;
  color: #1d2b44;
}

.cloud-plan-pill {
  height: 26px;
  padding: 0 12px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(180deg, #14b8a6, #059669);
  box-shadow: 0 10px 20px rgba(5, 150, 105, 0.22);
}

.cloud-plan-price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  color: #6b7c94;
  font-weight: 700;
  padding: 6px 0;
  flex-wrap: nowrap;
}

.cloud-plan-price-row span:first-child {
  color: #72839b;
  font-weight: 800;
  white-space: nowrap;
}

.cloud-plan-price-old {
  color: #94a3b8;
  text-decoration: line-through;
  font-weight: 800;
  white-space: nowrap;
}

.cloud-plan-price-new {
  color: #1d4ed8;
  font-weight: 900;
  font-size: 24px;
  white-space: nowrap;
}

.cloud-plan-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 56px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 800;
  color: #ffffff;
  background: #2f7aff;
  box-shadow: 0 14px 28px rgba(47, 122, 255, 0.3);
}

.gpu-plan-card {
  position: relative;
  border: 1px solid #d6e2eb;
  border-radius: 24px;
  padding: 26px;
  background:
    radial-gradient(circle at 18% 12%, rgba(38, 165, 207, 0.16), transparent 42%),
    radial-gradient(circle at 88% 78%, rgba(0, 95, 143, 0.12), transparent 46%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 251, 255, 0.96));
  box-shadow: 0 18px 42px rgba(19, 49, 80, 0.08);
  overflow: hidden;
}

.gpu-plan-badges {
  position: absolute;
  right: 18px;
  top: 18px;
  display: flex;
  gap: 10px;
}

.gpu-plan-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  padding: 0 12px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.4px;
  user-select: none;
}

.gpu-plan-badge--hot {
  color: #ffffff;
  background: linear-gradient(135deg, #ef4444, #f97316);
  box-shadow: 0 10px 20px rgba(239, 68, 68, 0.22);
}

.gpu-plan-header {
  padding-right: 110px;
}

.gpu-plan-title {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 40px);
  letter-spacing: 0.4px;
}

.gpu-plan-subtitle {
  margin: 8px 0 0;
  color: var(--muted);
  font-weight: 600;
}

.gpu-plan-specs {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.gpu-plan-spec {
  border: 1px solid #dfe9f1;
  background: rgba(255, 255, 255, 0.78);
  border-radius: 14px;
  padding: 12px 12px;
  font-weight: 700;
  color: #41536d;
  text-align: center;
}

.gpu-plan-pricing {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.gpu-plan-price-row {
  border: 1px solid #e2ebf2;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  padding: 14px 14px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.gpu-plan-price-label {
  min-width: 64px;
  font-weight: 800;
  color: var(--ink);
}

.gpu-plan-price-values {
  text-align: right;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.gpu-plan-price-old {
  color: #8a96a8;
  text-decoration: line-through;
  font-weight: 700;
}

.gpu-plan-price-new {
  color: #1d4ed8;
  font-weight: 900;
  font-size: 18px;
}

.gpu-plan-cta {
  margin-top: 16px;
  width: 100%;
  text-align: center;
}

.section.alt {
  background: linear-gradient(180deg, #eef3f7 0%, #f8fafb 100%);
  border-top: 1px solid #e1e6ed;
  border-bottom: 1px solid #e1e6ed;
}

.section h2 {
  margin: 0 0 16px;
  font-size: 34px;
}

.lead {
  margin-top: 0;
  color: var(--muted);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.inline-figure {
  margin-top: 18px;
}

.inline-figure img {
  border: 1px solid var(--line);
  border-radius: 12px;
  width: 100%;
}

.model-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.8;
}

.stats p {
  color: var(--muted);
  line-height: 1.7;
}

.product-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}

.product-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.product-card h3,
.product-card p {
  margin: 12px 14px;
}

.product-card p {
  color: var(--muted);
  line-height: 1.6;
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.pill {
  background: #fff;
  border: 1px solid #ccdae4;
  border-left: 4px solid var(--brand);
  border-radius: 12px;
  padding: 15px;
  font-weight: 600;
}

.gallery {
  columns: 3 260px;
  column-gap: 12px;
}

.gallery img {
  width: 100%;
  margin-bottom: 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  break-inside: avoid;
}

.media-card {
  padding: 0;
  overflow: hidden;
}

.media-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.footer {
  padding: 38px 0 44px;
  background: #112038;
  color: #e7eef6;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 24px;
  align-items: center;
}

.footer-qr {
  justify-self: end;
  text-align: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  padding: 12px;
}

.footer-qr img {
  width: 176px;
  height: 176px;
  object-fit: cover;
  display: block;
  margin: 0 auto 8px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.footer-qr p {
  margin: 0;
  font-size: 13px;
  color: #c9d9ea;
}

.footer p {
  margin: 8px 0;
}

.muted {
  color: #9bb2c8;
}

/* ===== 企业介绍区块 ===== */
.about-section {
  background: #fff;
  padding: 72px 0;
}

.about-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.about-label {
  display: inline-block;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.about-title {
  margin: 0 0 14px;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.3;
  color: var(--ink);
}

.about-desc {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

/* 数字统计栏 */
.about-stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: linear-gradient(135deg, #f0f6fb 0%, #e8f2f8 100%);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 32px;
  margin-bottom: 32px;
}

.about-stat {
  flex: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about-stat-divider {
  width: 1px;
  height: 48px;
  background: var(--line);
  flex-shrink: 0;
}

.stat-num {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  color: var(--brand);
  line-height: 1;
  letter-spacing: -1px;
}

.stat-num small {
  font-size: 0.45em;
  font-weight: 700;
  vertical-align: super;
  color: var(--brand-2);
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 500;
}

/* 信息卡片 */
.about-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 32px;
}

.about-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: 16px 16px 0 0;
}

.about-card--goal::before { background: linear-gradient(90deg, var(--brand), var(--brand-2)); }
.about-card--dist::before { background: linear-gradient(90deg, #26a5cf, #00c9a7); }
.about-card--device::before { background: linear-gradient(90deg, #7c3aed, #a855f7); }

.about-card-icon {
  font-size: 28px;
  margin-bottom: 12px;
  line-height: 1;
}

.about-card h3 {
  margin: 0 0 12px;
  font-size: 17px;
  color: var(--ink);
}

.about-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.9;
  font-size: 14px;
}

.about-nodes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.node-tag {
  display: inline-block;
  background: #eef6fb;
  border: 1px solid #c5dfee;
  color: var(--brand);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
}

.about-card p {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.about-card-note {
  font-size: 12px !important;
  color: #8aa0b5 !important;
  border-top: 1px solid var(--line);
  padding-top: 10px;
  margin-top: 4px !important;
}

/* 地图区域 */
.about-map {
  position: relative;
}

.about-map-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 1px;
  text-align: center;
  margin-bottom: 10px;
}

.about-map iframe {
  border-radius: 16px;
  border: 1px solid var(--line) !important;
  box-shadow: 0 4px 24px rgba(0, 95, 143, 0.08);
}

@media (max-width: 900px) {
  .about-stats-row {
    flex-wrap: wrap;
    gap: 20px;
    padding: 20px;
  }
  .about-stat-divider { display: none; }
  .about-stat { flex: 1 1 40%; }
  .about-cards { grid-template-columns: 1fr; }
}

/* ===== end 企业介绍 ===== */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .hero-panel,
  .grid-2,
  .product-row,
  .adv-grid,
  .model-grid {
    grid-template-columns: 1fr;
  }

  .hero-slide {
    inset: 0;
  }

  .hero-slide img {
    height: 100%;
  }

  .quick-entry-shell {
    padding: 16px;
    border-radius: 18px;
  }

  .quick-entry-card {
    min-height: unset;
    padding: 18px;
    gap: 10px;
    border-radius: 16px;
  }

  .quick-entry-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    font-size: 16px;
  }

  .quick-entry-card h3 {
    font-size: 24px;
  }

  .quick-entry-card p:last-of-type {
    font-size: 14px;
    line-height: 1.65;
  }

  .quick-entry-btn {
    min-width: 116px;
    padding: 9px 14px;
    border-radius: 9px;
  }

  .hero-carousel-viewport {
    aspect-ratio: 4 / 3;
    min-height: 240px;
    max-height: 340px;
  }

  .hero-carousel-btn {
    width: 32px;
    height: 32px;
    font-size: 21px;
    border-width: 1px;
  }

  .hero-carousel-dots {
    bottom: 10px;
    gap: 6px;
    padding: 5px 8px;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-qr {
    justify-self: start;
  }

  .section h2 {
    font-size: 28px;
  }
}

@media (max-width: 640px) {
  .quick-entry-section {
    padding-bottom: 4px;
  }

  .quick-entry-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .quick-entry-shell {
    padding: 12px;
    border-radius: 16px;
  }

  .quick-entry-card {
    min-height: 0;
    padding: 14px;
    gap: 6px;
  }

  .quick-entry-card::after {
    width: 72px;
    height: 72px;
    right: -16px;
    bottom: -16px;
    border-radius: 16px;
  }

  .quick-entry-tag {
    font-size: 10px;
    letter-spacing: 1px;
  }

  .quick-entry-card h3 {
    font-size: 20px;
    line-height: 1.12;
  }

  .quick-entry-card p:last-of-type {
    display: none;
  }

  .quick-entry-btn {
    min-width: 98px;
    padding: 7px 12px;
    font-size: 13px;
  }

  .gpu-plan-card {
    padding: 14px;
    border-radius: 16px;
  }

  .gpu-plan-badges {
    right: 12px;
    top: 12px;
  }

  .gpu-plan-header {
    padding-right: 0;
  }

  .gpu-plan-specs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .gpu-plan-pricing {
    grid-template-columns: 1fr;
  }

  .gpu-plan-price-new {
    font-size: 17px;
  }

  .cloud-price-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .cloud-plan-name {
    font-size: 24px;
  }

  .cloud-plan-prices {
    grid-template-columns: 1fr;
  }

  .hero-carousel {
    padding: 10px;
    border-radius: 14px;
  }

  .hero-carousel-viewport {
    aspect-ratio: 16 / 10;
    min-height: 190px;
    max-height: 240px;
    border-radius: 12px;
  }

  .hero-slide img {
    object-position: center center;
  }

  .hero-carousel-btn {
    display: none;
  }

  .hero-carousel-dots {
    bottom: 8px;
    gap: 5px;
    padding: 4px 6px;
    background: rgba(17, 32, 56, 0.08);
  }

  .hero-carousel-dot {
    width: 6px;
    height: 6px;
  }

  .hero-carousel-dot.is-active {
    width: 16px;
  }

  .nav {
    grid-template-columns: 1fr 110px 48px;
    min-height: 54px;
  }

  .nav-cell {
    min-height: 54px;
    padding: 0 4px;
  }

  .logo-mark {
    width: 86px;
    height: 26px;
  }

  .nav-console {
    font-size: 12px;
  }

  .links {
    gap: 6px;
    padding: 8px;
  }

  .links a {
    padding: 8px 6px;
    font-size: 12px;
  }
}

@media (max-width: 900px) {
  .nav {
    grid-template-columns: 1fr 126px 52px;
    min-height: 58px;
    margin-top: 0;
  }

  .nav-cell {
    min-height: 58px;
    padding: 0 6px;
  }

  .logo-mark {
    width: 92px;
    height: 28px;
  }

  .nav-console {
    font-size: 13px;
  }

  .nav.nav--no-console {
    grid-template-columns: 1fr 52px;
  }

  .nav-logo {
    padding-left: 12px;
  }

  .links {
    margin-top: 6px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 10px;
  }

  .links a {
    text-align: center;
    padding: 10px 8px;
    font-size: 13px;
  }
}

/* ===== 算力调度 ===== */
.dispatch-flow {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 32px 0 28px;
  overflow-x: auto;
}

.dispatch-node {
  flex: 1;
  min-width: 140px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 22px 16px;
  text-align: center;
  position: relative;
}

.dispatch-node--brain {
  background: linear-gradient(135deg, #e8f4fb 0%, #d4ecf7 100%);
  border-color: var(--brand-2);
  transform: scale(1.06);
  box-shadow: 0 4px 20px rgba(0,95,143,0.12);
}

.dispatch-node-icon {
  font-size: 32px;
  margin-bottom: 10px;
  line-height: 1;
}

.dispatch-node-title {
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 6px;
}

.dispatch-node-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.dispatch-arrow {
  font-size: 24px;
  color: var(--brand-2);
  padding: 0 10px;
  flex-shrink: 0;
  font-weight: 300;
}

.dispatch-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  background: linear-gradient(135deg, #f0f6fb 0%, #e8f2f8 100%);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 28px;
}

.dispatch-stat-item {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.dispatch-stat-val {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  color: var(--brand);
  line-height: 1;
  letter-spacing: -1px;
}

.dispatch-stat-val small {
  font-size: 0.45em;
  font-weight: 700;
  color: var(--brand-2);
  vertical-align: super;
}

.dispatch-stat-label {
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

@media (max-width: 900px) {
  .dispatch-flow { flex-direction: column; gap: 8px; }
  .dispatch-arrow { transform: rotate(90deg); padding: 4px 0; }
  .dispatch-node { min-width: unset; width: 100%; }
  .dispatch-node--brain { transform: none; }
  .dispatch-stats { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 合作优势 ===== */
.adv-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 8px;
}

.adv-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.adv-card:hover {
  box-shadow: 0 6px 24px rgba(0,95,143,0.1);
  transform: translateY(-2px);
}

.adv-card-icon {
  font-size: 28px;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  line-height: 1;
}

.adv-icon--1 { background: linear-gradient(135deg, #deeef7, #c5dff0); }
.adv-icon--2 { background: linear-gradient(135deg, #dff5ec, #c2eadb); }
.adv-icon--3 { background: linear-gradient(135deg, #fdeee6, #fbd8c4); }
.adv-icon--4 { background: linear-gradient(135deg, #f0e5fa, #e0cafc); }
.adv-icon--5 { background: linear-gradient(135deg, #faf4d8, #f5e9a8); }
.adv-icon--6 { background: linear-gradient(135deg, #e5f0fb, #cce0f5); }

.adv-card-body h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--ink);
}

.adv-card-body p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
}

@media (max-width: 900px) {
  .adv-cards { grid-template-columns: 1fr; }
}

/* ===== 客户服务 ===== */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 8px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 22px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  border-radius: 16px 16px 0 0;
}

.service-card-icon {
  font-size: 36px;
  margin-bottom: 14px;
  line-height: 1;
}

.service-card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  color: var(--ink);
}

.service-card p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

.service-badge {
  display: inline-block;
  margin-top: 12px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

@media (max-width: 900px) {
  .service-grid { grid-template-columns: 1fr; }
}
/* ===== end 新增区块 ===== */

@media (max-width: 640px) {
  .nav {
    grid-template-columns: 1fr 110px 48px;
    min-height: 54px;
  }

  .nav-cell {
    min-height: 54px;
    padding: 0 4px;
  }

  .logo-mark {
    width: 86px;
    height: 26px;
  }

  .nav-console {
    font-size: 12px;
  }

  .links {
    gap: 6px;
    padding: 8px;
  }

  .links a {
    padding: 8px 6px;
    font-size: 12px;
  }

  .hero-carousel {
    padding: 10px;
    border-radius: 14px;
  }

  .hero-carousel-viewport {
    aspect-ratio: 16 / 10;
    min-height: 190px;
    max-height: 240px;
    border-radius: 12px;
  }

  .hero-slide img {
    object-fit: contain;
    object-position: left center;
    background: #f4f8fc;
  }

  .hero-carousel-btn {
    display: none;
  }

  .hero-carousel-dots {
    bottom: 8px;
    gap: 5px;
    padding: 4px 6px;
    background: rgba(17, 32, 56, 0.08);
  }

  .hero-carousel-dot {
    width: 6px;
    height: 6px;
  }

  .hero-carousel-dot.is-active {
    width: 16px;
  }

  .quick-entry-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .quick-entry-shell {
    padding: 12px;
    border-radius: 16px;
  }

  .quick-entry-card {
    min-height: 0;
    padding: 14px;
    gap: 6px;
  }

  .quick-entry-card::after {
    width: 72px;
    height: 72px;
    right: -16px;
    bottom: -16px;
    border-radius: 16px;
  }

  .quick-entry-tag {
    font-size: 10px;
    letter-spacing: 1px;
  }

  .quick-entry-card h3 {
    font-size: 20px;
    line-height: 1.12;
  }

  .quick-entry-card p:last-of-type {
    display: block;
    font-size: 12px;
    line-height: 1.5;
    color: var(--muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .quick-entry-btn {
    min-width: 98px;
    padding: 8px 12px;
    font-size: 13px;
    border-radius: 10px;
    box-shadow: 0 8px 18px rgba(0, 95, 143, 0.14);
  }
}