:root {
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-2: rgba(255, 255, 255, 0.72);
  --border: rgba(15, 23, 42, 0.12);
  --text: #0f172a;
  --muted: #475569;
  --muted-2: #64748b;
  --accent: #2563eb;
  --accent-bright: #3b82f6;
  --accent-2: #7c3aed;
  --accent-2-bright: #a78bfa;
  --success: #16a34a;
  --warn: #f59e0b;
  --radius: 18px;
  --radius-sm: 12px;
  --font: "Noto Sans SC", system-ui, sans-serif;
  --shadow: 0 14px 40px rgba(2, 6, 23, 0.08);
  --shadow-lg: 0 20px 60px rgba(2, 6, 23, 0.12);
  --ring: 0 0 0 3px rgba(37, 99, 235, 0.16);
}

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

html {
  scroll-behavior: smooth;
  min-height: 100%;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(15, 23, 42, 0.06) 1px, transparent 0),
    radial-gradient(ellipse 120% 90% at 50% -30%, rgba(37, 99, 235, 0.12), transparent 52%),
    radial-gradient(ellipse 90% 70% at 100% 0%, rgba(124, 58, 237, 0.12), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 55%, var(--bg) 100%);
  background-size: 92px 92px, auto, auto, auto;
  background-repeat: repeat, no-repeat, no-repeat, no-repeat;
  background-attachment: fixed;
}

body {
  margin: 0;
  font-family: var(--font);
  background: transparent;
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
}

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
  color: #4338ca;
}

.container {
  width: min(1100px, 100% - 56px);
  margin-inline: auto;
}

@media (max-width: 600px) {
  .container {
    width: min(1100px, 100% - 32px);
  }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 140;
  pointer-events: none;
  background: rgba(15, 23, 42, 0.06);
}

.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px rgba(37, 99, 235, 0.35);
  transition: width 0.1s linear;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 12px 0;
  gap: 28px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.65), transparent 55%),
    linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 14px 34px rgba(37, 99, 235, 0.18);
}

.logo-text {
  font-size: 1.05rem;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo-sub {
  margin-left: 6px;
  font-weight: 800;
}

.nav {
  display: flex;
  gap: 30px;
  margin-left: auto;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-main {
  flex: 1;
  justify-content: flex-end;
}

.nav a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.25s ease;
}

.nav a:hover {
  color: var(--text);
}

.nav a:hover::after {
  width: 100%;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-compact {
  display: none;
  align-items: center;
  gap: 8px;
}

.nav-compact a {
  font-size: 0.84rem;
  font-weight: 800;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.nav-compact a:hover {
  color: var(--text);
  border-color: rgba(37, 99, 235, 0.28);
  background: rgba(255, 255, 255, 0.9);
}

@media (max-width: 960px) {
  .nav-main {
    display: none;
  }
  .nav-compact {
    display: flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  font-weight: 900;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform 0.15s,
    box-shadow 0.25s,
    background 0.25s,
    border-color 0.25s,
    filter 0.25s,
    color 0.25s;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

.btn:active {
  transform: scale(0.985);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.02rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #ffffff;
  box-shadow: 0 14px 44px rgba(37, 99, 235, 0.18);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.42) 45%, transparent 55%);
  transform: translateX(-120%);
  animation: btn-shine 4.8s ease-in-out infinite;
}

.btn-primary:hover {
  box-shadow: 0 18px 56px rgba(124, 58, 237, 0.2);
  filter: saturate(1.05);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.86);
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(37, 99, 235, 0.25);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 12px 34px rgba(2, 6, 23, 0.08);
}

/* Hero */
.hero {
  position: relative;
  padding: 44px 0 56px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.95;
  animation: blob-drift 18s ease-in-out infinite;
}

.hero-blob-1 {
  width: min(560px, 92vw);
  height: min(560px, 92vw);
  background: radial-gradient(circle, rgba(37, 99, 235, 0.26), transparent 68%);
  top: -18%;
  right: -12%;
}

.hero-blob-2 {
  width: min(460px, 84vw);
  height: min(460px, 84vw);
  background: radial-gradient(circle, rgba(124, 58, 237, 0.24), transparent 68%);
  bottom: 0%;
  left: -14%;
  animation-delay: -6s;
}

.hero-blob-3 {
  width: min(320px, 60vw);
  height: min(320px, 60vw);
  background: radial-gradient(circle, rgba(37, 99, 235, 0.14), transparent 70%);
  top: 40%;
  left: 36%;
  animation-delay: -12s;
}

.hero-gridlines {
  position: absolute;
  inset: -1px;
  opacity: 0.55;
  background-image:
    linear-gradient(to right, rgba(15, 23, 42, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15, 23, 42, 0.06) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: radial-gradient(ellipse 60% 55% at 50% 10%, #000 30%, transparent 70%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: center;
  justify-items: start;
}

.hero-center {
  text-align: center;
  max-width: 920px;
  margin-inline: auto;
  justify-self: center;
  position: relative;
}

.hero-center::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -10px;
  width: min(520px, 84%);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.45), rgba(124, 58, 237, 0.42), transparent);
  opacity: 0.8;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 40px 0 52px;
  }
}

.hero-enter {
  animation: fade-up 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  opacity: 0;
}

.hero-enter-delay {
  animation-delay: 0.14s;
}

.badge {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 900;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border);
  color: var(--muted);
  margin-bottom: 14px;
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.06);
  animation: badge-soft 3.2s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(2rem, 4.2vw, 2.85rem);
  font-weight: 950;
  line-height: 1.18;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
  max-width: 14ch;
}

@media (min-width: 961px) {
  .hero h1 {
    max-width: none;
  }
}

.gradient-text {
  background: linear-gradient(110deg, var(--accent-bright) 0%, #60a5fa 42%, var(--accent-2-bright) 75%, #c4b5fd 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-flow 7.2s ease infinite;
}

.lead {
  color: var(--muted);
  font-size: 1.12rem;
  max-width: 36em;
  margin: 0 0 16px;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
  justify-content: center;
}

.hero-highlights {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  color: var(--muted-2);
  font-size: 0.92rem;
  font-weight: 600;
  justify-content: center;
}

.hero-highlights li::before {
  content: "✓ ";
  color: var(--success);
  font-weight: 900;
}

/* Hero mini cards (like官网首屏三卡) */
.hero-mini-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}

@media (max-width: 820px) {
  .hero-mini-cards {
    grid-template-columns: 1fr;
  }
}

.mini-feature {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 14px 12px;
  box-shadow: 0 10px 28px rgba(2, 6, 23, 0.06);
  text-align: left;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.mini-feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(2, 6, 23, 0.1);
  border-color: rgba(37, 99, 235, 0.24);
}

.mf-icon {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 950;
  margin-bottom: 8px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(124, 58, 237, 0.12));
  color: #1d4ed8;
  border: 1px solid rgba(37, 99, 235, 0.18);
}

.mf-title {
  font-weight: 950;
  margin-bottom: 2px;
}

.mf-sub {
  color: var(--muted-2);
  font-weight: 650;
  font-size: 0.92rem;
}


/* Sections */
.section {
  padding: 48px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(2, 6, 23, 0.03) 0%, transparent 100%);
}

@media (max-width: 900px) {
  .section {
    padding: 56px 0;
  }
}

.section-title {
  text-align: center;
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  margin: 0 0 16px;
  font-weight: 950;
  letter-spacing: -0.01em;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 28px;
  font-size: 1.08rem;
  line-height: 1.75;
}

@media (max-width: 900px) {
  .section-sub {
    margin-bottom: 22px;
  }
}

.cards-2x2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

@media (max-width: 900px) {
  .cards-2x2 {
    grid-template-columns: 1fr;
  }
}

.pain-card {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 16px;
  box-shadow: var(--shadow);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.25s, box-shadow 0.35s;
  position: relative;
  overflow: hidden;
}

.pain-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(820px 280px at 15% 0%, rgba(37, 99, 235, 0.1), transparent 55%),
    radial-gradient(820px 280px at 85% 0%, rgba(124, 58, 237, 0.1), transparent 55%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.pain-card:hover {
  transform: translateY(-6px);
  border-color: rgba(37, 99, 235, 0.22);
  box-shadow: 0 22px 56px rgba(2, 6, 23, 0.12);
}

.pain-card:hover::before {
  opacity: 1;
}

.pc-icon {
  font-size: 1.6rem;
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.pain-card h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.pain-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.75;
}

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

@media (max-width: 980px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  box-shadow: var(--shadow);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.25s, box-shadow 0.35s;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(840px 280px at 15% 0%, rgba(37, 99, 235, 0.08), transparent 55%),
    radial-gradient(840px 280px at 85% 0%, rgba(124, 58, 237, 0.08), transparent 55%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(37, 99, 235, 0.2);
  box-shadow: 0 22px 56px rgba(2, 6, 23, 0.12);
}

.feature-card:hover::before {
  opacity: 1;
}

.fc-icon {
  font-size: 1.65rem;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.feature-card h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.feature-card p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.75;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tags span {
  font-size: 0.78rem;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.03);
  color: var(--muted-2);
  border: 1px solid var(--border);
  font-weight: 700;
}

.mini-list {
  display: grid;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--muted);
}

.mini-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.68);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.18);
}

.dot.ok {
  background: rgba(22, 163, 74, 0.75);
  box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.12);
}

.asset-shelf {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.asset {
  font-size: 0.86rem;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--border);
  color: #1d4ed8;
  font-weight: 800;
}

.rule-box {
  padding: 14px 14px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.02);
}

.rule-title {
  font-weight: 950;
  margin-bottom: 8px;
}

.rule-item {
  font-size: 0.92rem;
  color: var(--muted);
  padding: 6px 0;
  font-weight: 650;
}

.channels {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.channel {
  font-size: 0.84rem;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  font-weight: 800;
}

.meter {
  padding: 14px 14px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.68);
}

.meter-bar {
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(15, 23, 42, 0.06);
  margin-bottom: 10px;
}

.meter-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.12);
}

.meter-foot {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 650;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px 26px;
  text-align: center;
  padding: 22px 14px 26px;
  background: rgba(255, 255, 255, 0.82);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

@media (max-width: 768px) {
  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 26px 18px;
    padding: 28px 14px;
  }
}

.stat-num {
  display: block;
  font-size: clamp(1.65rem, 3vw, 2.15rem);
  font-weight: 950;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}

.stats span:not(.stat-num) {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
  font-weight: 650;
}

/* Workflow steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

@media (max-width: 980px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 18px;
  box-shadow: var(--shadow);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.25s, box-shadow 0.35s;
  position: relative;
  overflow: hidden;
}

.step-card:hover {
  transform: translateY(-6px);
  border-color: rgba(37, 99, 235, 0.18);
  box-shadow: 0 22px 56px rgba(2, 6, 23, 0.12);
}

.step-top {
  display: grid;
  gap: 10px;
  margin-bottom: 10px;
}

.step-badge {
  display: inline-flex;
  width: fit-content;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.03);
  border: 1px solid var(--border);
  color: var(--muted-2);
  font-weight: 950;
  font-size: 0.78rem;
}

.step-card h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 950;
}

.step-card p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.75;
  font-weight: 650;
}

.step-demo {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 12px 12px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.02);
  border: 1px solid var(--border);
}

.pill {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.1);
  color: #1d4ed8;
  font-size: 0.84rem;
  font-weight: 950;
  border: 1px solid rgba(37, 99, 235, 0.18);
}

.check {
  font-weight: 950;
  color: #065f46;
}

.spark {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.12);
}

/* Cases */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

@media (max-width: 980px) {
  .case-grid {
    grid-template-columns: 1fr;
  }
}

.case-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 18px;
  box-shadow: var(--shadow);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.25s, box-shadow 0.35s;
}

.case-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124, 58, 237, 0.18);
  box-shadow: 0 22px 56px rgba(2, 6, 23, 0.12);
}

.case-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.case-tag {
  font-size: 0.78rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.03);
  color: var(--muted-2);
  font-weight: 800;
}

.case-title {
  font-weight: 950;
}

.case-q {
  font-weight: 950;
  font-size: 1.02rem;
  margin-bottom: 8px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.case-body p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
  font-weight: 650;
}

/* FAQ */
.faq-grid {
  display: grid;
  gap: 14px;
  max-width: 920px;
  margin-inline: auto;
}

.faq-item {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 950;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--muted-2);
  font-weight: 950;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-body {
  padding: 0 20px 18px;
  color: var(--muted);
  line-height: 1.85;
  font-weight: 650;
}

/* Contact gallery modal */
.contact-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.contact-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.contact-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(4px);
}

.contact-modal__panel {
  position: relative;
  width: min(860px, 100%);
  border-radius: 20px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 24px 80px rgba(2, 6, 23, 0.24);
  padding: 20px 20px 16px;
  z-index: 1;
  animation: modal-rise 0.24s ease;
}

.contact-modal__close {
  position: absolute;
  right: 12px;
  top: 10px;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--muted);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
}

.contact-modal__title {
  font-size: 1.15rem;
  font-weight: 900;
  margin-bottom: 4px;
}

.contact-modal__desc {
  color: var(--muted);
  margin-bottom: 14px;
  font-size: 0.94rem;
}

.contact-modal__viewer {
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.02);
  overflow: hidden;
  margin-bottom: 12px;
}

.contact-modal__viewer img {
  display: block;
  width: 100%;
  max-height: min(72vh, 760px);
  object-fit: contain;
  margin-inline: auto;
}

.contact-modal__thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.contact-thumb {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 800;
  color: var(--muted-2);
  cursor: pointer;
}

.contact-thumb.is-active {
  border-color: rgba(37, 99, 235, 0.3);
  color: var(--accent);
  background: rgba(37, 99, 235, 0.07);
}

@media (max-width: 760px) {
  .contact-modal__thumbs {
    grid-template-columns: 1fr;
  }
}

/* VIP page */
.page-hero {
  padding: 42px 0 18px;
}

.page-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.8rem, 3.4vw, 2.35rem);
  letter-spacing: -0.02em;
  font-weight: 950;
}

.page-hero p {
  margin: 0;
  color: var(--muted);
  max-width: 62ch;
  font-size: 1.05rem;
  font-weight: 650;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin: 16px 0 10px;
}

@media (max-width: 880px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

.plc-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 16px 0 10px;
}

@media (max-width: 980px) {
  .plc-pricing-grid {
    grid-template-columns: 1fr;
  }
}

.price-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 18px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.25s ease;
}

.price-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 54px rgba(2, 6, 23, 0.14);
  border-color: rgba(37, 99, 235, 0.22);
}

.price-card.featured {
  border-color: rgba(37, 99, 235, 0.22);
  box-shadow: var(--shadow-lg);
}

.price-card.featured::before {
  content: "";
  position: absolute;
  inset: -120px -120px auto auto;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.18), transparent 65%);
  filter: blur(2px);
  pointer-events: none;
}

.price-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.price-name {
  font-weight: 950;
  font-size: 1.1rem;
}

.price-badge {
  padding: 6px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 950;
  font-size: 0.78rem;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 12px 0 18px;
}

.price strong {
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.price span {
  color: var(--muted-2);
  font-weight: 800;
}

.price-del {
  color: var(--muted-2);
  text-decoration: line-through;
  font-weight: 800;
}

.benefits {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.benefits li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--muted);
  font-weight: 650;
}

.benefits li::before {
  content: "✓";
  display: inline-flex;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: rgba(22, 163, 74, 0.1);
  color: #15803d;
  font-weight: 950;
  flex-shrink: 0;
  border: 1px solid rgba(22, 163, 74, 0.16);
}

.pay-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  justify-content: center;
  margin-top: 14px;
  color: var(--muted-2);
  font-weight: 700;
  font-size: 0.92rem;
}

.note-pill {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.78);
}

.vip-benefits {
  margin-top: 20px;
  padding: 20px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.vip-benefits h2 {
  margin: 0 0 6px;
  font-size: 1.25rem;
  font-weight: 950;
}

.vip-benefits p {
  margin: 0 0 16px;
  color: var(--muted);
  font-weight: 650;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

@media (max-width: 980px) {
  .benefit-grid {
    grid-template-columns: 1fr;
  }
}

.benefit-card {
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  padding: 16px 16px 14px;
}

.benefit-card h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 950;
}

.benefit-card p {
  margin: 0;
  color: var(--muted);
  font-weight: 650;
}

/* CTA + Footer */
.cta {
  padding: 60px 0 76px;
  background:
    radial-gradient(ellipse 85% 75% at 50% 100%, rgba(124, 58, 237, 0.12), transparent 55%),
    radial-gradient(ellipse 70% 50% at 80% 100%, rgba(37, 99, 235, 0.1), transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  border-top: 1px solid var(--border);
}

.cta-inner {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
}

.cta-inner h2 {
  margin: 0 0 14px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 950;
}

.cta-inner p {
  color: var(--muted);
  margin: 0 0 22px;
  font-size: 1.08rem;
  font-weight: 650;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.cta-note {
  margin: 0;
  font-size: 0.92rem;
  color: var(--muted-2);
  font-weight: 650;
}

.site-footer {
  padding: 28px 0 38px;
  border-top: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  font-size: 0.9rem;
  color: var(--muted-2);
}

.footer-left {
  display: grid;
  gap: 8px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 950;
  color: var(--text);
}

.footer-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-links a {
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.86);
  transition: background 0.25s, border-color 0.25s, color 0.25s;
  font-weight: 800;
}

.footer-links a:hover {
  background: rgba(255, 255, 255, 1);
  border-color: rgba(37, 99, 235, 0.22);
  color: var(--text);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

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

/* Animations */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes blob-drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(4%, -3%) scale(1.05); }
  66% { transform: translate(-3%, 4%) scale(0.96); }
}

@keyframes float-y {
  0%, 100% { transform: translateY(0) rotateX(2deg); }
  50% { transform: translateY(-10px) rotateX(0deg); }
}

@keyframes gradient-flow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes badge-soft {
  0%, 100% { box-shadow: 0 10px 30px rgba(2, 6, 23, 0.06); }
  50% { box-shadow: 0 14px 44px rgba(37, 99, 235, 0.12); }
}

@keyframes btn-shine {
  0% { transform: translateX(-120%); }
  40%, 100% { transform: translateX(120%); }
}

@keyframes modal-rise {
  from { opacity: 0; transform: translateY(8px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-enter, .hero-enter-delay { animation: none; opacity: 1; }
  .hero-blob, .gradient-text, .badge, .btn-primary::before, .contact-modal__panel { animation: none !important; }
  .btn-primary::before { display: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}