/* 婚恋交友系统 · Soul 风格官网 */
:root {
  --soul-teal: #25e6c6;
  --soul-teal-dim: #1bc9ad;
  --soul-purple: #a78bfa;
  --soul-pink: #f472b6;
  --soul-dark: #0a0a0f;
  --soul-dark-2: #14141f;
  --soul-dark-3: #1c1c2a;
  --brand: #25e6c6;
  --brand-light: #5eead4;
  --brand-dark: #0d9488;
  --accent: #a78bfa;
  --accent-soft: #c4b5fd;
  --text: #12121a;
  --text-secondary: #5c5c6f;
  --text-muted: #9494a8;
  --bg: #ffffff;
  --bg-soft: #f6f6f8;
  --bg-muted: #ededf2;
  --border: #e8e8ee;
  --header-h: 68px;
  --max: 1180px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 4px 20px rgba(10, 10, 15, 0.05);
  --shadow-lg: 0 20px 60px rgba(37, 230, 198, 0.12);
  --grad-soul: linear-gradient(135deg, var(--soul-teal) 0%, var(--soul-purple) 55%, var(--soul-pink) 100%);
  --grad-hero: linear-gradient(165deg, #0a0a0f 0%, #14141f 40%, #1a1530 75%, #12121c 100%);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 32px; }

/* ========== Header ========== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background 0.3s, box-shadow 0.3s;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}
.site-header.on-dark { color: #fff; }
.site-header.on-dark .brand-title { color: #fff; }
.site-header.on-dark.scrolled { color: var(--text); }
.site-header.on-dark.scrolled .brand-title { color: var(--text); }

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 16px; }
.brand-logo-link img { width: 130px; height: auto; }
.brand-title {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1;
  padding-left: 14px;
  border-left: 1px solid rgba(148, 163, 184, 0.35);
  white-space: nowrap;
}
.site-header.on-dark .brand-title { border-left-color: rgba(255,255,255,0.25); }
.site-header.on-dark.scrolled .brand-title { border-left-color: var(--border); color: var(--text); }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 100px;
  transition: all 0.2s;
  color: inherit;
  opacity: 0.85;
}
.main-nav a:hover { opacity: 1; background: rgba(255,255,255,0.12); }
.site-header.scrolled .main-nav a:hover { background: var(--bg-muted); }
.main-nav a.active {
  opacity: 1;
  background: rgba(255,255,255,0.18);
  font-weight: 600;
}
.site-header.scrolled .main-nav a.active {
  background: rgba(37, 230, 198, 0.1);
  color: var(--brand-dark);
}

.nav-cta {
  margin-left: 12px;
  padding: 9px 22px !important;
  background: var(--grad-soul) !important;
  color: #fff !important;
  opacity: 1 !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 20px rgba(37, 230, 198, 0.35);
}
.site-header.scrolled .nav-cta { box-shadow: 0 4px 16px rgba(37, 230, 198, 0.28); }
.nav-cta:hover { transform: translateY(-1px); filter: brightness(1.05); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border: none;
  background: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: currentColor;
  border-radius: 2px;
}

/* ========== Icons ========== */
.ico { width: 24px; height: 24px; flex-shrink: 0; }
.ico-lg { width: 56px; height: 56px; }
.ico-sm { width: 16px; height: 16px; }
.ico-box {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  transition: transform 0.25s;
}
.pill:hover .ico-box { transform: scale(1.06); }
.tone-teal .ico-box { background: rgba(37, 230, 198, 0.12); color: var(--soul-teal-dim); }
.tone-purple .ico-box { background: rgba(167, 139, 250, 0.12); color: #8b5cf6; }
.tone-pink .ico-box { background: rgba(244, 114, 182, 0.12); color: #ec4899; }
.tone-blue .ico-box { background: rgba(96, 165, 250, 0.12); color: #3b82f6; }
.tone-mint .ico-box { background: rgba(52, 211, 153, 0.12); color: #10b981; }
.tone-coral .ico-box { background: rgba(251, 146, 60, 0.12); color: #f97316; }
.value-card .ico-wrap {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  border: 1px solid var(--border);
}
.value-card .ico-wrap.t1 { background: rgba(37, 230, 198, 0.08); color: var(--soul-teal-dim); border-color: rgba(37, 230, 198, 0.2); }
.value-card .ico-wrap.t2 { background: rgba(167, 139, 250, 0.08); color: #8b5cf6; border-color: rgba(167, 139, 250, 0.2); }
.value-card .ico-wrap.t3 { background: rgba(96, 165, 250, 0.08); color: #3b82f6; border-color: rgba(96, 165, 250, 0.2); }
.value-card .ico-wrap.t4 { background: rgba(52, 211, 153, 0.08); color: #10b981; border-color: rgba(52, 211, 153, 0.2); }

/* ========== Hero (landing) ========== */
.hero-landing {
  min-height: 100vh;
  padding: calc(var(--header-h) + 72px) 0 96px;
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
  color: #fff;
}
.hero-landing::before {
  content: "";
  position: absolute;
  width: 720px; height: 720px;
  top: -180px; right: -160px;
  background: radial-gradient(circle, rgba(37, 230, 198, 0.18) 0%, transparent 68%);
  pointer-events: none;
}
.hero-landing::after {
  content: "";
  position: absolute;
  width: 560px; height: 560px;
  bottom: -120px; left: -120px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.16) 0%, transparent 68%);
  pointer-events: none;
}
.hero-landing .grain {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 100px;
  font-size: 13px;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.hero-badge span { width: 7px; height: 7px; background: var(--soul-teal); border-radius: 50%; box-shadow: 0 0 10px var(--soul-teal); }

.hero-landing h1 {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.hero-landing h1 em {
  font-style: normal;
  background: linear-gradient(92deg, var(--soul-teal), var(--soul-purple), var(--soul-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  margin-bottom: 40px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 36px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 100px;
  transition: all 0.25s;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--grad-soul);
  color: #fff;
  box-shadow: 0 8px 28px rgba(37, 230, 198, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(37, 230, 198, 0.45);
  filter: brightness(1.05);
  color: #fff;
}
.btn-outline {
  background: rgba(255,255,255,0.04);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.28);
}
.btn-outline:hover { border-color: rgba(37, 230, 198, 0.6); background: rgba(37, 230, 198, 0.08); }

.hero-visual { position: relative; display: flex; justify-content: center; }
.phone-frame {
  width: 268px;
  aspect-ratio: 9/19;
  background: linear-gradient(180deg, #1c1c2a 0%, #0a0a0f 100%);
  border-radius: 38px;
  border: 2px solid rgba(37, 230, 198, 0.2);
  box-shadow: 0 32px 80px rgba(0,0,0,0.45), 0 0 40px rgba(37, 230, 198, 0.08);
  padding: 10px;
  position: relative;
}
.phone-screen {
  height: 100%;
  border-radius: 28px;
  background: linear-gradient(180deg, #1a1a24 0%, #12121a 100%);
  overflow: hidden;
  padding: 18px 14px;
}
.phone-screen .ui-bar {
  height: 6px; width: 72px;
  background: rgba(255,255,255,0.12);
  border-radius: 3px;
  margin: 0 auto 18px;
}
.phone-screen .ui-card {
  background: var(--grad-soul);
  border-radius: 14px;
  padding: 18px;
  color: var(--soul-dark);
  margin-bottom: 14px;
}
.phone-screen .ui-card h4 { font-size: 13px; font-weight: 700; margin-bottom: 4px; }
.phone-screen .ui-card p { font-size: 10px; opacity: 0.75; }
.phone-screen .ui-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
  margin-top: 10px;
}
.phone-screen .ui-dot {
  aspect-ratio: 1;
  border-radius: 7px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
}
.phone-screen .ui-dot:nth-child(1) { background: rgba(37, 230, 198, 0.25); border-color: rgba(37, 230, 198, 0.3); }
.phone-screen .ui-dot:nth-child(2) { background: rgba(167, 139, 250, 0.25); }
.phone-screen .ui-dot:nth-child(3) { background: rgba(244, 114, 182, 0.25); }
.phone-screen .ui-dot:nth-child(4) { background: rgba(96, 165, 250, 0.2); }
.phone-screen .ui-dot:nth-child(5) { background: rgba(251, 191, 36, 0.2); }

.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(20, 20, 31, 0.88);
  backdrop-filter: blur(12px);
  color: #fff;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 12px 40px rgba(0,0,0,0.35);
  font-size: 12px;
  font-weight: 500;
  animation: float 4s ease-in-out infinite;
}
.float-card .ico-sm { color: var(--soul-teal); }
.float-card.c1 { top: 12%; left: -16px; animation-delay: 0s; }
.float-card.c2 { bottom: 28%; right: -24px; animation-delay: 1s; border-color: rgba(37, 230, 198, 0.25); }
.float-card.c3 { bottom: 10%; left: 4px; animation-delay: 2s; font-size: 11px; color: rgba(255,255,255,0.7); }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ========== Sections common ========== */
.section { padding: 100px 0; }
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-head .label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--soul-teal-dim);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding: 6px 14px;
  background: rgba(37, 230, 198, 0.08);
  border-radius: 100px;
  border: 1px solid rgba(37, 230, 198, 0.15);
}
.section--dark .section-head .label {
  color: var(--soul-teal);
  background: rgba(37, 230, 198, 0.1);
  border-color: rgba(37, 230, 198, 0.2);
}
.section-head h2 {
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-head p {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.section--soft { background: var(--bg-soft); }
.section--dark {
  background: linear-gradient(180deg, var(--soul-dark) 0%, var(--soul-dark-2) 100%);
  color: #fff;
}
.section--dark .section-head p { color: rgba(255,255,255,0.58); }

/* ========== Value cards ========== */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.value-card {
  padding: 36px 28px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.3s;
}
.value-card:hover {
  border-color: rgba(37, 230, 198, 0.25);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.value-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.value-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; }

/* ========== Feature pills (home) ========== */
.feature-pills {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.pill {
  display: block;
  text-align: center;
  padding: 28px 16px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.25s;
  color: inherit;
}
.pill:hover {
  border-color: rgba(37, 230, 198, 0.35);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}
.pill span { font-size: 13px; font-weight: 600; color: var(--text); }

.more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 40px auto 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--soul-teal-dim);
  padding: 12px 28px;
  border-radius: 100px;
  border: 1px solid rgba(37, 230, 198, 0.3);
  transition: all 0.2s;
}
.more-link:hover {
  background: rgba(37, 230, 198, 0.08);
  border-color: var(--soul-teal);
  color: var(--brand-dark);
}
.section--soft .more-link { display: flex; width: fit-content; }

/* ========== Showcase split ========== */
.showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.showcase-visual {
  max-width: 440px;
  margin: 0 auto;
  width: 100%;
}
.hub-panel {
  padding: 20px;
  background: linear-gradient(145deg, #f8f8fc 0%, #f0f4ff 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 20px 56px rgba(167, 139, 250, 0.1);
}
.hub-main {
  padding: 28px 24px 24px;
  border-radius: var(--radius);
  background: var(--grad-soul);
  color: #fff;
  margin-bottom: 14px;
  position: relative;
  overflow: hidden;
}
.hub-main::after {
  content: "";
  position: absolute;
  width: 120px; height: 120px;
  right: -30px; top: -30px;
  background: rgba(255,255,255,0.12);
  border-radius: 50%;
}
.hub-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  opacity: 0.9;
  margin-bottom: 12px;
}
.hub-main h3 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
  position: relative;
}
.hub-main p {
  font-size: 13px;
  opacity: 0.92;
  position: relative;
}
.hub-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.hub-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 14px;
  background: #fff;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.hub-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  border-color: rgba(37, 230, 198, 0.35);
}
.hub-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.hub-item.i1 .hub-dot { background: var(--soul-teal); box-shadow: 0 0 8px var(--soul-teal); }
.hub-item.i2 .hub-dot { background: var(--soul-purple); }
.hub-item.i3 .hub-dot { background: var(--soul-pink); }
.hub-item.i4 .hub-dot { background: #60a5fa; }
.hub-item.i5 .hub-dot { background: #fbbf24; }
.hub-item.i6 .hub-dot { background: #34d399; }
.hub-item:nth-child(1) { animation: hub-in 0.6s ease 0.05s both; }
.hub-item:nth-child(2) { animation: hub-in 0.6s ease 0.1s both; }
.hub-item:nth-child(3) { animation: hub-in 0.6s ease 0.15s both; }
.hub-item:nth-child(4) { animation: hub-in 0.6s ease 0.2s both; }
.hub-item:nth-child(5) { animation: hub-in 0.6s ease 0.25s both; }
.hub-item:nth-child(6) { animation: hub-in 0.6s ease 0.3s both; }
.showcase-visual.is-visible .hub-main {
  animation: hub-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes hub-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .hub-item, .showcase-visual.is-visible .hub-main { animation: none; }
}

.showcase-text h2 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.showcase-text > p {
  font-size: 17px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  font-size: 16px;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}
.check-list li:last-child { border-bottom: none; }
.check-list .ck {
  flex-shrink: 0;
  width: 26px; height: 26px;
  background: rgba(37, 230, 198, 0.12);
  color: var(--soul-teal-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(37, 230, 198, 0.25);
  margin-top: 2px;
}

/* ========== Metrics ========== */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.metric {
  background: rgba(255,255,255,0.04);
  padding: 48px 32px;
  text-align: center;
  backdrop-filter: blur(4px);
}
.metric strong {
  display: block;
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(92deg, var(--soul-teal), var(--soul-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
  margin-bottom: 8px;
}
.metric span { font-size: 15px; color: rgba(255,255,255,0.6); }

/* ========== Scenarios ========== */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.scenario-card {
  padding: 40px 32px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all 0.3s;
}
.scenario-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.scenario-card .num {
  font-size: 44px;
  font-weight: 800;
  background: var(--grad-soul);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.85;
}
.scenario-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.scenario-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }

/* ========== CTA band ========== */
.cta-band {
  padding: 88px 0;
  background: linear-gradient(135deg, #f0f9ff 0%, #faf5ff 40%, #fdf4ff 100%);
  text-align: center;
  color: var(--text);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 100%, rgba(37, 230, 198, 0.12), transparent);
}
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; }
.cta-band p { font-size: 17px; color: var(--text-secondary); margin-bottom: 36px; }
.cta-band .btn-outline {
  color: var(--text) !important;
  border-color: var(--border) !important;
  background: #fff !important;
}
.cta-band .btn-outline:hover {
  color: var(--soul-teal-dim) !important;
  border-color: rgba(37, 230, 198, 0.5) !important;
  background: rgba(37, 230, 198, 0.06) !important;
}
.cta-band .btn-primary {
  color: #fff;
}

/* ========== Page hero (inner) ========== */
.page-hero {
  padding: calc(var(--header-h) + 72px) 0 72px;
  background: linear-gradient(180deg, #fff 0%, #f8f7fc 50%, #f0f9ff 100%);
  color: var(--text);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero h1 { color: var(--text); }
.page-hero p { color: var(--text-secondary); }
.page-hero::after {
  content: "";
  position: absolute;
  width: 400px; height: 400px;
  top: -100px; right: 10%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.15), transparent 70%);
}
.page-hero .container { position: relative; z-index: 1; }

.pricing-card.hot .amount {
  background: var(--grad-soul);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-hero h1 {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.page-hero p {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  margin: 0 auto;
}

/* ========== Features page ========== */
.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.feature-detail:last-child { border-bottom: none; }
.feature-detail.reverse .fd-text { order: 2; }
.feature-detail.reverse .fd-mock,
.feature-detail.reverse .fd-visual { order: 1; }

.fd-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--soul-teal-dim);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}
.fd-text h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.fd-text h3 {
  font-size: 18px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 24px;
}
.fd-text p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}
.fd-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.fd-tags span {
  padding: 7px 14px;
  background: rgba(37, 230, 198, 0.06);
  border: 1px solid rgba(37, 230, 198, 0.15);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.fd-visual {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--soul-dark-2);
  border: 1px solid rgba(255,255,255,0.06);
}
.fd-visual::before {
  content: "";
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 230, 198, 0.2), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.fd-visual .fd-num {
  font-size: 140px;
  font-weight: 900;
  color: rgba(255,255,255,0.03);
  position: absolute;
  right: 16px;
  bottom: -20px;
  line-height: 1;
}
.fd-visual .fd-icon-wrap {
  width: 100px; height: 100px;
  border-radius: 28px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(37, 230, 198, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  color: var(--soul-teal);
  box-shadow: 0 0 40px rgba(37, 230, 198, 0.15);
}
.fd-visual.v2 .fd-icon-wrap { color: var(--soul-purple); border-color: rgba(167, 139, 250, 0.25); box-shadow: 0 0 40px rgba(167, 139, 250, 0.12); }
.fd-visual.v2::before { background: radial-gradient(circle, rgba(167, 139, 250, 0.18), transparent 70%); }
.fd-visual.v3 .fd-icon-wrap { color: var(--soul-pink); border-color: rgba(244, 114, 182, 0.25); }
.fd-visual.v3::before { background: radial-gradient(circle, rgba(244, 114, 182, 0.15), transparent 70%); }

.feature-nav-sticky {
  position: sticky;
  top: var(--header-h);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 12px 0;
  overflow-x: auto;
}
.feature-nav-sticky .inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  gap: 8px;
  min-width: max-content;
}
.feature-nav-sticky a {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 100px;
  white-space: nowrap;
}
.feature-nav-sticky a:hover { color: var(--soul-teal-dim); background: rgba(37, 230, 198, 0.08); }

/* ========== Pricing ========== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
  margin-top: -40px;
  position: relative;
  z-index: 2;
}
.pricing-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 48px 36px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
}
.pricing-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.pricing-card.hot {
  border: 2px solid rgba(37, 230, 198, 0.5);
  box-shadow: 0 24px 60px rgba(37, 230, 198, 0.12);
  transform: scale(1.02);
}
.pricing-card.hot:hover { transform: scale(1.03) translateY(-6px); }
.pricing-card .tier {
  font-size: 12px;
  font-weight: 700;
  color: var(--soul-teal-dim);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.pricing-card.hot .tier { color: var(--soul-purple); }
.pricing-card h3 { font-size: 26px; font-weight: 800; margin-bottom: 24px; }
.pricing-card .amount {
  font-size: 48px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}
.pricing-card .amount small { font-size: 16px; font-weight: 500; color: var(--text-muted); }
.pricing-card .breakdown {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 12px 0 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
  min-height: 48px;
}
.pricing-card ul { flex: 1; }
.pricing-card ul li {
  padding: 12px 0;
  font-size: 15px;
  color: var(--text-secondary);
  padding-left: 28px;
  position: relative;
  border-bottom: 1px solid var(--bg-muted);
}
.pricing-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--soul-teal);
  box-shadow: 0 0 8px var(--soul-teal);
}
.pricing-card .btn {
  width: 100%;
  margin-top: 32px;
  padding: 16px;
  border-radius: 12px;
  font-size: 15px;
}
.pricing-card .btn-fill {
  background: var(--grad-soul);
  color: #fff;
  font-weight: 600;
}
.pricing-card .btn-fill:hover {
  color: #fff;
  filter: brightness(1.05);
}
.pricing-card .btn-ghost {
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
}
.pricing-card.hot .btn-fill { box-shadow: 0 8px 24px rgba(37, 230, 198, 0.3); }

.pricing-note {
  text-align: center;
  margin-top: 48px;
  font-size: 14px;
  color: var(--text-muted);
}

/* ========== Guide ========== */
.guide-wrap {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
  padding: 60px 0 100px;
  align-items: start;
}
.guide-side {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px 0;
  overflow: hidden;
}
.guide-side h3 {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  padding: 16px 24px 12px;
}
.guide-side a {
  display: block;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-left: 3px solid transparent;
  transition: all 0.2s;
}
.guide-side a:hover { color: var(--soul-teal-dim); background: var(--bg-soft); }
.guide-side a.active {
  color: var(--soul-teal-dim);
  background: rgba(37, 230, 198, 0.08);
  border-left-color: var(--soul-teal);
  font-weight: 600;
}
.guide-main {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 56px;
  min-height: 480px;
}
.guide-article { display: none; }
.guide-article.active { display: block; }
.guide-article h1 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}
.guide-article .lead {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.guide-placeholder {
  padding: 64px 40px;
  text-align: center;
  background: var(--bg-soft);
  border-radius: var(--radius);
  border: 1px dashed rgba(37, 230, 198, 0.25);
}
.guide-placeholder .ico-wrap-ph {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  border-radius: 18px;
  background: rgba(37, 230, 198, 0.1);
  color: var(--soul-teal-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(37, 230, 198, 0.2);
}
.guide-placeholder .ico-wrap-ph .ico { width: 32px; height: 32px; }
.guide-placeholder h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.guide-placeholder p { font-size: 14px; color: var(--text-muted); max-width: 400px; margin: 0 auto; }
.guide-article h2 { font-size: 20px; font-weight: 700; margin: 28px 0 12px; }
.guide-article p, .guide-article li { font-size: 15px; color: var(--text-secondary); line-height: 1.8; }
.guide-article ul { list-style: disc; padding-left: 24px; margin: 16px 0; }

/* ========== Footer ========== */
.site-footer {
  background: linear-gradient(180deg, #f8f8fb 0%, #f0f4f8 100%);
  color: var(--text-secondary);
  padding: 56px 0 28px;
  border-top: 1px solid var(--border);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: start;
  padding-bottom: 40px;
}
.footer-brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.footer-logo-link {
  display: block;
  flex-shrink: 0;
  padding: 8px 12px;
  background: #fff;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.footer-logo-link img { width: 110px; height: auto; display: block; }
.footer-product-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.06em;
  line-height: 1.2;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-secondary);
  max-width: 400px;
  margin: 0;
}
.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.footer-col h4 {
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.footer-col a {
  display: block;
  font-size: 14px;
  padding: 7px 0;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.footer-col a:hover {
  color: var(--soul-teal-dim);
}
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
.footer-bottom a {
  color: var(--soul-teal-dim);
  font-weight: 500;
}
.footer-bottom a:hover {
  color: var(--brand-dark);
}

main.inner-page { padding-top: 0; }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .hero-grid, .showcase, .feature-detail { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; }
  .feature-detail.reverse .fd-text, .feature-detail.reverse .fd-visual { order: unset; }
  .value-grid, .feature-pills { grid-template-columns: repeat(2, 1fr); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: -40px auto 0; }
  .pricing-card.hot { transform: none; }
  .scenario-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .guide-wrap { grid-template-columns: 1fr; }
  .guide-side { position: static; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .header-inner { padding: 0 20px; }
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    background: #fff;
    padding: 16px;
    box-shadow: var(--shadow-lg);
    color: var(--text);
  }
  .main-nav.open { display: flex; }
  .brand-title { font-size: 15px; }
  .brand-logo-link img { width: 100px; }
  .value-grid, .feature-pills, .metrics { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .guide-main { padding: 28px 24px; }
  .fd-text h2 { font-size: 28px; }
}