/* Simple Text Effects */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-up {
  opacity: 0;
  animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

/* Shimmer Effect for Highlight */
.hero-highlight {
  background: linear-gradient(90deg, hsl(var(--primary)), hsl(var(--accent)), hsl(var(--primary)));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 5s linear infinite;
}

@keyframes shimmer {
  to {
    background-position: 200% center;
  }
}

:root {
  --lc-primary: #b074d1;
  --lc-primary-mid: #9958bd;
  --lc-primary-deep: #8e50b0;
  --lc-accent: #e24f8d;
  --lc-ink: #171326;
  --lc-muted: #70687d;
  --lc-bg: #f8f6fc;
  --lc-card: rgba(255, 255, 255, .88);
  --lc-line: rgba(142, 80, 176, .14);
  --lc-line-strong: rgba(176, 116, 209, .34);
  --lc-shadow: 0 24px 70px rgba(64, 37, 83, .12);
  --lc-shadow-card: 0 12px 32px -14px rgba(6, 75, 179, .20);
  --lc-shadow-glow: 0 18px 56px rgba(176, 116, 209, .22);
  --lc-gradient-main: linear-gradient(90deg, #b074d1 0%, #9958bd 73%, #8e50b0 92%);
  --lc-gradient-text: linear-gradient(90deg, #b074d1 0%, #e24f8d 100%);
}

body.lingcloud-home-redesign {
  background:
    radial-gradient(circle at 12% 0%, rgba(176, 116, 209, .18), transparent 31%),
    radial-gradient(circle at 90% 8%, rgba(226, 79, 141, .14), transparent 28%),
    linear-gradient(180deg, #fbf8ff 0%, #f8f6fc 48%, #ffffff 100%);
  overflow-x: hidden;
}

body.lingcloud-home-redesign::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: .52;
  background-image:
    linear-gradient(rgba(176, 116, 209, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 116, 209, .055) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(180deg, black, transparent 72%);
  -webkit-mask-image: linear-gradient(180deg, black, transparent 72%);
}

.lc-container {
  width: min(calc(100% - 36px), 1200px);
  margin-inline: auto;
}

.lc-section {
  padding: 76px 0;
}

.lc-section-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 38px;
}

.lc-kicker {
  color: var(--lc-primary-deep);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.lc-section-head h2 {
  margin: 10px 0 0;
  color: var(--lc-ink);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: -.055em;
}

.lc-section-head p {
  color: var(--lc-muted);
  line-height: 1.8;
  font-size: 16px;
  margin: 14px 0 0;
}

.lc-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .78);
  border: 1px solid var(--lc-line);
  color: #5d4b6e;
  font-size: 13px;
  box-shadow: var(--lc-shadow-card);
  backdrop-filter: blur(14px);
}

.lc-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #33c481;
  box-shadow: 0 0 0 6px rgba(51, 196, 129, .13);
}

.lc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 43px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-weight: 850;
  font-size: 14px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
  text-decoration: none !important;
}

.lc-btn:hover {
  transform: translateY(-2px);
}

.lc-btn-primary {
  color: #fff !important;
  background: var(--lc-gradient-main);
  box-shadow: 0 16px 36px rgba(176, 116, 209, .30);
}

.lc-btn-outline {
  color: var(--lc-primary-deep) !important;
  background: rgba(255, 255, 255, .72);
  border-color: rgba(176, 116, 209, .28);
}

.lc-btn-ghost {
  color: var(--lc-primary-deep) !important;
  background: rgba(176, 116, 209, .10);
}

.lc-hero {
  padding: 82px 0 64px;
  position: relative;
}

.lc-hero-grid {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 52px;
  align-items: center;
}

.lc-hero h1 {
  margin: 0;
  color: var(--lc-ink);
  font-size: clamp(46px, 7vw, 86px);
  line-height: .98;
  letter-spacing: -.078em;
  max-width: 820px;
}

.lc-gradient-text {
  background: var(--lc-gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lc-hero-desc {
  margin: 24px 0 0;
  max-width: 650px;
  color: var(--lc-muted);
  font-size: 18px;
  line-height: 1.9;
}

.lc-hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.lc-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
  color: #64556f;
  font-size: 14px;
}

.lc-trust-row span {
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, .68);
  border: 1px solid var(--lc-line);
  box-shadow: 0 8px 24px rgba(6, 75, 179, .05);
}

.lc-hero-stage {
  position: relative;
  min-height: 590px;
  padding: 22px;
  border-radius: 38px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .90), rgba(250, 245, 255, .68));
  border: 1px solid rgba(255, 255, 255, .86);
  box-shadow: var(--lc-shadow);
  overflow: hidden;
  backdrop-filter: blur(18px);
  transform-style: preserve-3d;
  transition: transform .18s ease;
}

.lc-hero-stage::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -130px;
  top: -150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(176, 116, 209, .32), transparent 65%);
}

.lc-hero-stage::after {
  content: "";
  position: absolute;
  inset: auto 22px 22px 22px;
  height: 160px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(176, 116, 209, .10), rgba(226, 79, 141, .06));
  border: 1px solid rgba(176, 116, 209, .10);
}

.lc-console-card {
  position: relative;
  z-index: 2;
  border-radius: 28px;
  padding: 22px;
  background: rgba(255, 255, 255, .88);
  border: 1px solid var(--lc-line);
  box-shadow: 0 18px 48px -16px rgba(6, 75, 179, .18);
}

.lc-mini-topbar {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.lc-mini-topbar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ddd;
}

.lc-mini-topbar span:nth-child(1) {
  background: #ff6b6b;
}

.lc-mini-topbar span:nth-child(2) {
  background: #f8c24e;
}

.lc-mini-topbar span:nth-child(3) {
  background: #33c481;
}

.lc-console-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}

.lc-console-title {
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -.03em;
  color: var(--lc-ink);
}

.lc-status {
  color: #fff;
  background: var(--lc-gradient-main);
  border-radius: 999px;
  padding: 7px 11px;
  font-size: 12px;
  font-weight: 850;
}

.lc-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.lc-metric {
  padding: 14px;
  border-radius: 18px;
  background: #fbf8ff;
  border: 1px solid var(--lc-line);
}

.lc-metric b {
  display: block;
  font-size: 22px;
  letter-spacing: -.04em;
  color: var(--lc-primary-deep);
}

.lc-metric span {
  color: var(--lc-muted);
  font-size: 12px;
}

.lc-chart {
  height: 138px;
  margin-top: 20px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(176, 116, 209, .10), rgba(255, 255, 255, .1));
  border: 1px solid var(--lc-line);
  position: relative;
  overflow: hidden;
}

.lc-chart svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.lc-topology {
  position: relative;
  z-index: 2;
  height: 170px;
  margin-top: 18px;
  border-radius: 26px;
  overflow: hidden;
  background: #160f24;
}

.lc-topology::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 23% 44%, #fff 0 5px, transparent 6px), radial-gradient(circle at 58% 56%, #e24f8d 0 5px, transparent 6px), radial-gradient(circle at 78% 35%, #fff 0 5px, transparent 6px), linear-gradient(135deg, #171326, #422a57 55%, #8e50b0);
}

.lc-topology-line {
  position: absolute;
  left: 22%;
  top: 45%;
  width: 58%;
  height: 2px;
  transform: rotate(-7deg);
  transform-origin: left;
  background: linear-gradient(90deg, #fff, #d8b5ec, #e24f8d);
  box-shadow: 0 0 18px rgba(176, 116, 209, .85);
}

.lc-floating-card {
  position: absolute;
  z-index: 3;
  padding: 16px;
  border-radius: 22px;
  background: rgba(255, 255, 255, .90);
  border: 1px solid var(--lc-line);
  box-shadow: 0 18px 45px rgba(64, 37, 83, .12);
  backdrop-filter: blur(16px);
  transition: transform .25s ease, box-shadow .25s ease;
}

.lc-floating-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--lc-shadow-glow);
}

.lc-floating-card strong {
  display: block;
  font-size: 24px;
  letter-spacing: -.04em;
  color: var(--lc-primary-deep);
}

.lc-floating-card span {
  color: var(--lc-muted);
  font-size: 13px;
  line-height: 1.6;
}

.lc-floating-card.one {
  left: 20px;
  bottom: 30px;
  width: 230px;
}

.lc-floating-card.two {
  right: 24px;
  bottom: 104px;
  width: 218px;
}

.lc-floating-card.three {
  right: 60px;
  top: 210px;
  width: 188px;
}

.lc-feature-grid,
.lc-product-grid,
.lc-review-grid,
.lc-design-grid {
  display: grid;
  gap: 18px;
}

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

.lc-card,
.lc-region-item,
.lc-interactive-box,
.lc-category-card {
  background: #fff;
  border: 1px solid var(--lc-line);
  border-radius: 22px;
  box-shadow: var(--lc-shadow-card);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}

.lc-card:hover,
.lc-category-card:hover {
  transform: translateY(-6px);
  border-color: var(--lc-line-strong);
  box-shadow: var(--lc-shadow-glow);
}

.lc-feature-card {
  padding: 24px;
}

.lc-icon-box {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 24px;
  margin-bottom: 18px;
  background: rgba(176, 116, 209, .10);
  color: var(--lc-primary-deep);
}

.lc-card h3 {
  margin: 0;
  color: var(--lc-ink);
  font-size: 20px;
}

.lc-card p {
  color: var(--lc-muted);
  line-height: 1.75;
  margin: 10px 0 0;
}

.lc-category-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}

.lc-category-card {
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
}

.lc-category-card.active {
  color: #fff;
  background: var(--lc-gradient-main);
  border-color: transparent;
}

.lc-category-card.active p,
.lc-category-card.active small {
  color: rgba(255, 255, 255, .84);
}

.lc-category-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(176, 116, 209, .12);
  font-size: 22px;
  flex: 0 0 auto;
}

.lc-category-card.active .lc-category-icon {
  background: rgba(255, 255, 255, .18);
}

.lc-category-card p {
  margin: 0;
  font-weight: 900;
}

.lc-category-card small {
  color: var(--lc-muted);
  display: block;
  margin-top: 4px;
}

.lc-interactive-box {
  padding: 16px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255, 255, 255, .76);
}

.lc-segmented {
  display: inline-flex;
  padding: 5px;
  border-radius: 14px;
  background: #f5effa;
  border: 1px solid var(--lc-line);
}

.lc-segmented button {
  border: 0;
  background: transparent;
  color: #5d4b6e;
  cursor: pointer;
  padding: 9px 15px;
  border-radius: 10px;
  font-weight: 850;
}

.lc-segmented button.is-active {
  background: #fff;
  color: var(--lc-primary-deep);
  box-shadow: 0 10px 24px rgba(64, 37, 83, .12);
}

.lc-product-card {
  padding: 22px;
  position: relative;
  overflow: hidden;
}

.lc-product-card.hot::before {
  content: "推荐";
  position: absolute;
  top: 18px;
  right: -34px;
  rotate: 35deg;
  width: 130px;
  text-align: center;
  padding: 6px 0;
  background: var(--lc-gradient-main);
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}

.lc-specs {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 11px;
}

.lc-specs li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(176, 116, 209, .18);
  color: var(--lc-muted);
  font-size: 14px;
}

.lc-specs strong {
  color: var(--lc-ink);
}

.lc-price {
  margin: 18px 0;
}

.lc-price b {
  font-size: 34px;
  letter-spacing: -.06em;
  color: var(--lc-primary-deep);
}

.lc-price span {
  color: var(--lc-muted);
  font-size: 13px;
}

.lc-network-layout {
  display: grid;
  grid-template-columns: 1.18fr .82fr;
  gap: 22px;
  align-items: stretch;
}

.lc-map-card {
  min-height: 444px;
  border-radius: 34px;
  padding: 26px;
  background: #171326;
  color: #fff;
  overflow: hidden;
  position: relative;
  box-shadow: var(--lc-shadow);
}

.lc-map-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 38%, rgba(176, 116, 209, .35), transparent 13%), radial-gradient(circle at 76% 32%, rgba(226, 79, 141, .30), transparent 14%), linear-gradient(135deg, #171326, #37244a 54%, #8e50b0);
}

.lc-map-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .08) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle, black 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle, black 30%, transparent 78%);
}

.lc-map-card > * {
  position: relative;
}

.lc-pin {
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 8px rgba(255, 255, 255, .12), 0 0 24px rgba(255, 255, 255, .7);
  cursor: pointer;
  transition: .2s ease;
  z-index: 2;
}

.lc-pin:hover,
.lc-pin.is-active {
  transform: scale(1.25);
  background: #f0d8ff;
}

.lc-pin.hk {
  left: 74%;
  top: 46%;
}

.lc-pin.de {
  left: 50%;
  top: 34%;
}

.lc-pin.us {
  left: 21%;
  top: 40%;
}

.lc-map-info {
  margin-top: 142px;
  max-width: 590px;
}

.lc-map-info h2 {
  color: #fff;
  margin: 10px 0 0;
}

.lc-map-info p {
  color: rgba(255, 255, 255, .75);
  line-height: 1.8;
}

.lc-region-list {
  display: grid;
  gap: 14px;
}

.lc-region-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 17px;
  cursor: pointer;
}

.lc-region-item:hover,
.lc-region-item.is-active {
  transform: translateX(4px);
  border-color: var(--lc-line-strong);
  background: #fbf8ff;
}

.lc-region-item small {
  color: var(--lc-muted);
  display: block;
  margin-top: 4px;
  line-height: 1.55;
}

.lc-latency {
  color: var(--lc-primary-deep);
  font-weight: 900;
  background: rgba(176, 116, 209, .12);
  padding: 8px 10px;
  border-radius: 999px;
  font-size: 13px;
}

.lc-partner-band {
  border-radius: 34px;
  padding: 30px;
  background: linear-gradient(135deg, rgba(176, 116, 209, .10), rgba(226, 79, 141, .06));
  border: 1px solid var(--lc-line);
  overflow: hidden;
}

.lc-logos {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.lc-logo-tile {
  height: 80px;
  border-radius: 18px;
  background: #fff;
  display: grid;
  place-items: center;
  color: #5d4b6e;
  font-weight: 900;
  border: 1px solid var(--lc-line);
  transition: .2s ease;
}

.lc-logo-tile:hover {
  transform: translateY(-5px);
  box-shadow: var(--lc-shadow-glow);
}

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

.lc-review-card {
  padding: 24px;
}

.lc-stars {
  color: #f59e0b;
  letter-spacing: 2px;
}

.lc-avatar-line {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}

.lc-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--lc-gradient-main);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 900;
}

.lc-faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.lc-faq-item {
  border: 1px solid var(--lc-line);
  border-radius: 20px;
  background: #fff;
  overflow: hidden;
  box-shadow: var(--lc-shadow-card);
}

.lc-faq-question {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 20px 22px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  cursor: pointer;
  color: var(--lc-ink);
  font-weight: 900;
  text-align: left;
}

.lc-faq-question span:last-child {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(176, 116, 209, .10);
  color: var(--lc-primary-deep);
  transition: .2s ease;
}

.lc-faq-answer {
  display: none;
  padding: 0 22px 20px;
  color: var(--lc-muted);
  line-height: 1.8;
}

.lc-faq-item.is-open .lc-faq-answer {
  display: block;
}

.lc-faq-item.is-open .lc-faq-question span:last-child {
  rotate: 45deg;
}

.lc-cta {
  padding: 72px 0 96px;
}

.lc-cta-box {
  border-radius: 36px;
  padding: 42px;
  color: #fff;
  background: radial-gradient(circle at 18% 28%, rgba(226, 79, 141, .34), transparent 24%), var(--lc-gradient-main);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  box-shadow: var(--lc-shadow-glow);
}

.lc-cta-box h2 {
  color: #fff;
  margin: 0;
}

.lc-cta-box p {
  color: rgba(255, 255, 255, .78);
  line-height: 1.8;
  margin: 12px 0 0;
}

.lc-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}

.lc-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .lc-hero-grid,
  .lc-network-layout {
    grid-template-columns: 1fr;
  }

  .lc-hero-stage {
    min-height: 520px;
  }

  .lc-feature-grid,
  .lc-product-grid,
  .lc-category-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .lc-review-grid {
    grid-template-columns: 1fr;
  }

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

  .lc-cta-box,
  .lc-interactive-box {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 620px) {
  .lc-hero {
    padding-top: 54px;
  }

  .lc-hero-stage {
    min-height: auto;
  }

  .lc-floating-card {
    position: static;
    width: auto !important;
    margin-top: 14px;
  }

  .lc-metrics,
  .lc-feature-grid,
  .lc-product-grid,
  .lc-category-strip {
    grid-template-columns: 1fr;
  }

  .lc-section {
    padding: 54px 0;
  }

  .lc-cta-box {
    padding: 28px;
  }
}

/* ============= Premium Footer ============= */
