:root {
  --bg: #13151b;
  --bg-elevated: #1a1d26;
  --surface: #1f2430;
  --surface-raised: #262c3a;
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(232, 168, 124, 0.32);
  --text: #eceae6;
  --text-soft: #c5c2ba;
  --muted: #848994;
  --warm: #e8a87c;
  --warm-light: #f5d4b8;
  --warm-dim: rgba(232, 168, 124, 0.18);
  --cool: #7eb8da;
  --cool-light: #b8d8ef;
  --cool-dim: rgba(126, 184, 218, 0.16);
  --gold: #e8c98a;
  --shadow-panel: 0 20px 44px rgba(0, 0, 0, 0.32), 0 0 0 1px var(--border);
  --shadow-soft: 0 10px 32px rgba(0, 0, 0, 0.28);
  --radius: 16px;
  --radius-sm: 10px;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei UI", "Segoe UI", sans-serif;
  --nav-h: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 45% at 10% -5%, var(--warm-dim), transparent 58%),
    radial-gradient(ellipse 50% 40% at 95% 5%, var(--cool-dim), transparent 55%),
    radial-gradient(ellipse 70% 50% at 50% 110%, rgba(0, 0, 0, 0.45), transparent);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  animation: float 14s ease-in-out infinite;
}

.orb-a {
  width: 280px;
  height: 280px;
  top: 8%;
  left: -4%;
  background: rgba(232, 168, 124, 0.22);
}

.orb-b {
  width: 220px;
  height: 220px;
  top: 42%;
  right: -2%;
  background: rgba(126, 184, 218, 0.2);
  animation-delay: -4s;
}

.orb-c {
  width: 180px;
  height: 180px;
  bottom: 10%;
  left: 38%;
  background: rgba(232, 201, 138, 0.14);
  animation-delay: -8s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(18px, -22px) scale(1.05);
  }
  66% {
    transform: translate(-14px, 16px) scale(0.96);
  }
}

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  backdrop-filter: blur(16px) saturate(140%);
  background: rgba(19, 21, 27, 0.78);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 100%;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.nav-logo {
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.brand-accent {
  color: var(--warm);
}

.brand-name {
  color: var(--text);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: var(--text-soft);
  font-weight: 500;
  font-size: 0.92rem;
  transition:
    color 0.2s ease,
    background 0.2s ease,
    transform 0.2s ease;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.is-active {
  color: var(--warm-light);
  background: var(--warm-dim);
}

.nav-link-featured {
  color: var(--cool-light);
  border: 1px solid rgba(126, 184, 218, 0.28);
  background: rgba(126, 184, 218, 0.08);
}

.nav-link-featured:hover {
  color: #fff;
  background: rgba(126, 184, 218, 0.18);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(126, 184, 218, 0.15);
}

.nav-link-green {
  color: #8fd4a8;
  border-color: rgba(95, 180, 130, 0.32);
  background: rgba(95, 180, 130, 0.1);
}

.nav-link-green:hover {
  color: #fff;
  background: rgba(95, 180, 130, 0.2);
  box-shadow: 0 6px 20px rgba(95, 180, 130, 0.15);
}

.nav-link-featured.is-active {
  color: #fff;
  background: rgba(126, 184, 218, 0.22);
  border-color: rgba(126, 184, 218, 0.42);
  box-shadow: 0 4px 16px rgba(126, 184, 218, 0.12);
}

.nav-link-green.is-active {
  color: #fff;
  background: rgba(95, 180, 130, 0.22);
  border-color: rgba(95, 180, 130, 0.42);
  box-shadow: 0 4px 16px rgba(95, 180, 130, 0.12);
}

.nav-link-gold {
  color: var(--gold);
  border-color: rgba(232, 201, 138, 0.32);
  background: rgba(232, 201, 138, 0.1);
}

.nav-link-gold:hover {
  color: #fff;
  background: rgba(232, 201, 138, 0.2);
  box-shadow: 0 6px 20px rgba(232, 201, 138, 0.15);
}

.nav-link-gold.is-active {
  color: #fff;
  background: rgba(232, 201, 138, 0.22);
  border-color: rgba(232, 201, 138, 0.42);
  box-shadow: 0 4px 16px rgba(232, 201, 138, 0.12);
}

.nav-link-purple {
  color: #c4b5fd;
  border-color: rgba(139, 92, 246, 0.35);
  background: rgba(139, 92, 246, 0.12);
}

.nav-link-purple:hover {
  color: #fff;
  background: rgba(139, 92, 246, 0.22);
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.18);
}

.nav-link-purple.is-active {
  color: #fff;
  background: rgba(139, 92, 246, 0.28);
  border-color: rgba(139, 92, 246, 0.45);
  box-shadow: 0 4px 16px rgba(139, 92, 246, 0.15);
}

.nav-link-coral {
  color: #f5a88a;
  border-color: rgba(232, 120, 90, 0.35);
  background: rgba(232, 120, 90, 0.12);
}

.nav-link-coral:hover {
  color: #fff;
  background: rgba(232, 120, 90, 0.22);
  box-shadow: 0 6px 20px rgba(232, 120, 90, 0.18);
}

.nav-link-coral.is-active {
  color: #fff;
  background: rgba(232, 120, 90, 0.28);
  border-color: rgba(232, 120, 90, 0.45);
  box-shadow: 0 4px 16px rgba(232, 120, 90, 0.15);
}

.nav-link-icon {
  font-size: 0.95rem;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  background: var(--text-soft);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.page {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}

.hero {
  text-align: center;
  padding: 2rem 0 2.5rem;
}

/* —— Hero 轮播 —— */
.hero-carousel {
  position: relative;
  text-align: center;
  padding: 2rem 0 1.5rem;
}

.hero-carousel-track {
  display: grid;
  grid-template-areas: "slide";
  align-items: start;
}

.hero-slide {
  grid-area: slide;
  opacity: 0;
  visibility: hidden;
  transform: translateX(28px) scale(0.985);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease,
    visibility 0.55s;
  pointer-events: none;
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateX(0) scale(1);
  pointer-events: auto;
  z-index: 1;
}

.hero-slide.is-leaving {
  opacity: 0;
  transform: translateX(-28px) scale(0.985);
}

.hero-slide--studio.is-active {
  animation: hero-glow-purple 6s ease-in-out infinite;
}

.hero-slide--finance.is-active {
  animation: hero-glow-coral 6s ease-in-out infinite;
}

@keyframes hero-glow-purple {
  0%,
  100% {
    filter: drop-shadow(0 0 0 transparent);
  }
  50% {
    filter: drop-shadow(0 0 28px rgba(139, 92, 246, 0.12));
  }
}

@keyframes hero-glow-coral {
  0%,
  100% {
    filter: drop-shadow(0 0 0 transparent);
  }
  50% {
    filter: drop-shadow(0 0 28px rgba(232, 120, 90, 0.14));
  }
}

.hero-carousel-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
}

.hero-carousel-dots {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.hero-carousel-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  cursor: pointer;
  transition:
    width 0.25s ease,
    background 0.25s ease;
}

.hero-carousel-dot.is-active {
  width: 28px;
  background: linear-gradient(90deg, var(--warm), var(--gold));
}

.hero-carousel-dot[data-goto="1"].is-active {
  background: linear-gradient(90deg, #7c3aed, #a78bfa);
}

.hero-carousel-dot[data-goto="2"].is-active {
  background: linear-gradient(90deg, #e8785a, #f5a88a);
}

.hero-accent {
  display: inline-block;
  font-weight: 800;
}

.hero-accent--purple {
  background: linear-gradient(120deg, #c4b5fd, #a78bfa, #e879f9);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-accent--coral {
  background: linear-gradient(120deg, #fca5a5, #f5a88a, #fcd34d);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.hero-chip {
  padding: 0.32rem 0.75rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hero-chip--purple {
  color: var(--purple-light);
  border: 1px solid rgba(139, 92, 246, 0.35);
  background: rgba(139, 92, 246, 0.12);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(9rem, 1fr));
  gap: 0.65rem;
  max-width: 28rem;
  margin: 0 auto 1.5rem;
  padding: 0;
  list-style: none;
}

.hero-metric {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  min-width: 9rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.22);
  text-align: left;
}

.hero-metric-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.hero-metric-bar {
  display: block;
  width: 100%;
  height: 5px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.hero-metric-bar i {
  display: block;
  height: 100%;
  border-radius: inherit;
  transform: scaleX(0);
  transform-origin: left center;
}

.hero-slide.is-active .hero-metric-bar i {
  animation: metric-fill 1.2s ease-out forwards;
}

.hero-metric-bar--coral i {
  background: linear-gradient(90deg, #e8785a, #f5a88a);
}

.hero-metric-bar--gold i {
  background: linear-gradient(90deg, #d4a853, var(--gold));
}

.hero-metric-bar--green i {
  background: linear-gradient(90deg, #4ade80, #8fd4a8);
}

@keyframes metric-fill {
  to {
    transform: scaleX(1);
  }
}

.hero-badge--coral {
  border-color: rgba(232, 120, 90, 0.35);
  background: rgba(232, 120, 90, 0.1);
  color: #f5a88a;
}

.badge-dot--coral {
  background: #e8785a;
  box-shadow: 0 0 10px rgba(232, 120, 90, 0.55);
}

.hero-highlight--purple {
  background: linear-gradient(120deg, #ddd6fe, #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-highlight--coral {
  background: linear-gradient(120deg, #fecaca, #f5a88a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.btn-primary--purple {
  color: #fff;
  background: linear-gradient(135deg, #7c3aed, #9333ea);
  box-shadow: 0 8px 24px rgba(124, 58, 237, 0.32);
}

.btn-primary--purple:hover {
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.42);
}

.btn-ghost--purple {
  border-color: rgba(139, 92, 246, 0.35);
  color: var(--purple-light);
}

.btn-ghost--purple:hover {
  background: rgba(139, 92, 246, 0.12);
  border-color: rgba(139, 92, 246, 0.45);
}

.btn-primary--coral {
  color: #1a1008;
  background: linear-gradient(135deg, #f5a88a, #e8785a);
  box-shadow: 0 8px 24px rgba(232, 120, 90, 0.28);
}

.btn-primary--coral:hover {
  box-shadow: 0 12px 32px rgba(232, 120, 90, 0.38);
}

.btn-ghost--coral {
  border-color: rgba(232, 120, 90, 0.35);
  color: #f5a88a;
}

.btn-ghost--coral:hover {
  background: rgba(232, 120, 90, 0.12);
  border-color: rgba(232, 120, 90, 0.45);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.25rem;
  padding: 0.35rem 0.85rem 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border-accent);
  background: rgba(232, 168, 124, 0.08);
  color: var(--warm-light);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warm);
  box-shadow: 0 0 10px var(--warm);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.65;
    transform: scale(0.85);
  }
}

.hero-title {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5.5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-highlight {
  background: linear-gradient(120deg, var(--warm), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-typed {
  display: inline-block;
  min-width: 4.5em;
  text-align: left;
  color: var(--cool-light);
  border-right: 3px solid var(--cool);
  padding-right: 4px;
  animation: blink 0.9s step-end infinite;
}

@keyframes blink {
  50% {
    border-color: transparent;
  }
}

.hero-desc {
  max-width: 36rem;
  margin: 0 auto 1.75rem;
  color: var(--text-soft);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.72rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

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

.btn-primary {
  color: #1a1208;
  background: linear-gradient(135deg, var(--warm-light), var(--warm));
  box-shadow: 0 8px 24px rgba(232, 168, 124, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 12px 32px rgba(232, 168, 124, 0.38);
}

.btn-ghost {
  color: var(--text-soft);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
}

.btn-lg {
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
}

.btn-arrow {
  transition: transform 0.2s ease;
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin-bottom: 3rem;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 1.1rem 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(31, 36, 48, 0.55);
  backdrop-filter: blur(8px);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.14);
}

.stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--warm-light), var(--cool-light));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--muted);
}

.section-head {
  margin-bottom: 1.25rem;
}

.section-title {
  margin: 0 0 0.35rem;
  font-size: 1.45rem;
  font-weight: 700;
}

.section-sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.tool-card {
  display: flex;
  flex-direction: column;
  min-height: 220px;
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--surface), var(--bg-elevated));
  box-shadow: var(--shadow-soft);
  transition:
    transform 0.28s ease,
    border-color 0.28s ease,
    box-shadow 0.28s ease;
}

.tool-card-live {
  cursor: pointer;
}

.tool-card-live:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-panel), 0 0 40px rgba(232, 168, 124, 0.08);
}

.tool-card-soon {
  opacity: 0.72;
}

.tool-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.tool-icon {
  font-size: 1.75rem;
  line-height: 1;
}

.tool-badge {
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.tool-badge-live {
  color: #8fd4a8;
  background: rgba(95, 180, 130, 0.16);
  border: 1px solid rgba(95, 180, 130, 0.28);
}

.tool-badge-soon {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.tool-badge-mail {
  color: var(--cool-light);
  background: rgba(126, 184, 218, 0.12);
  border: 1px solid rgba(126, 184, 218, 0.28);
}

.tool-name {
  margin: 0 0 0.5rem;
  font-size: 1.12rem;
  font-weight: 700;
}

.tool-desc {
  flex: 1;
  margin: 0 0 1rem;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.tool-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--warm-light);
}

.tool-cta-muted {
  color: var(--muted);
}

.cta-band {
  margin-top: 3rem;
}

.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.75rem 1.5rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid rgba(126, 184, 218, 0.22);
  background:
    linear-gradient(135deg, rgba(126, 184, 218, 0.1), rgba(232, 168, 124, 0.08)),
    var(--surface);
  box-shadow: var(--shadow-panel);
}

.cta-title {
  margin: 0 0 0.35rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.cta-desc {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.92rem;
  max-width: 28rem;
}

.footer {
  position: relative;
  z-index: 1;
  margin-top: 2rem;
  border-top: 1px solid var(--border);
  background: rgba(19, 21, 27, 0.6);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--text-soft);
}

.footer-brand img {
  border-radius: 8px;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--warm-light);
}

.footer-feedback {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0.38rem 0.85rem;
  font-size: 0.82rem;
  line-height: 1.4;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.footer-feedback-label {
  color: var(--muted);
  letter-spacing: 0.04em;
}

.footer-feedback a {
  color: var(--warm-light);
  transition: color 0.2s ease;
}

.footer-feedback a:hover {
  color: var(--warm);
}

.footer-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 860px) {
  .tool-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .cta-band-inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-desc {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 0.75rem 1.25rem 1rem;
    background: rgba(19, 21, 27, 0.96);
    border-bottom: 1px solid var(--border);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition:
      opacity 0.25s ease,
      transform 0.25s ease;
  }

  .nav-menu.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    justify-content: center;
    padding: 0.75rem 1rem;
  }

  .hero {
    padding-top: 1.25rem;
  }

  .hero-carousel {
    padding-top: 1.25rem;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-metric {
    min-width: 0;
    width: 100%;
  }
}

/* ── 牛马绘境 · studio 介绍页 ── */
:root {
  --purple: #a78bfa;
  --purple-light: #c4b5fd;
  --purple-dim: rgba(139, 92, 246, 0.18);
}

.hero--studio {
  padding-top: 2rem;
}

.hero-badge--purple {
  border-color: rgba(139, 92, 246, 0.35);
  background: var(--purple-dim);
  color: var(--purple-light);
}

.badge-dot--purple {
  background: var(--purple);
  box-shadow: 0 0 10px rgba(139, 92, 246, 0.55);
}

.hero-desc--wide {
  max-width: 42rem;
}

.studio-features,
.studio-pricing {
  margin-top: 2.5rem;
}

.studio-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.studio-feature-card {
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--surface), var(--bg-elevated));
}

.studio-feature-icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 0.65rem;
}

.studio-feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.studio-feature-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.55;
}

.studio-price-list {
  margin: 0;
  padding: 1.25rem 1.5rem;
  list-style: none;
  border-radius: var(--radius);
  border: 1px solid rgba(139, 92, 246, 0.22);
  background: rgba(139, 92, 246, 0.06);
}

.studio-price-list li {
  padding: 0.45rem 0;
  color: var(--text-soft);
  border-bottom: 1px solid var(--border);
}

.studio-price-list li:last-child {
  border-bottom: none;
}

.cta-band--purple {
  border-color: rgba(139, 92, 246, 0.28);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.12), rgba(19, 21, 27, 0.6));
}

.tool-card-purple:hover {
  border-color: rgba(139, 92, 246, 0.45);
  box-shadow: var(--shadow-panel), 0 0 40px rgba(139, 92, 246, 0.1);
}

.tool-badge-purple {
  background: rgba(139, 92, 246, 0.22);
  color: var(--purple-light);
}

.tool-card-coral:hover {
  border-color: rgba(232, 120, 90, 0.45);
  box-shadow: var(--shadow-panel), 0 0 40px rgba(232, 120, 90, 0.1);
}

.tool-badge-coral {
  background: rgba(232, 120, 90, 0.22);
  color: #f5a88a;
  border-color: rgba(232, 120, 90, 0.28);
}

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