:root {
  --bg: #eef4fb;
  --bg-deep: #dce8fb;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-strong: #ffffff;
  --line: rgba(112, 160, 234, 0.22);
  --line-strong: rgba(112, 160, 234, 0.38);
  --text: #0d1b33;
  --muted: #5d6b82;
  --muted-strong: #404d63;
  --primary: #2f7df0;
  --primary-dark: #1659cf;
  --primary-soft: #e7f0ff;
  --primary-soft-2: #f5f8ff;
  --success: #0f9d58;
  --warning: #d09a00;
  --danger: #d92b2b;
  --shadow: 0 20px 50px rgba(28, 74, 151, 0.12);
  --shadow-soft: 0 12px 28px rgba(36, 84, 164, 0.08);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 14px;
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 11% 8%, rgba(47, 125, 240, 0.18), transparent 22%),
    radial-gradient(circle at 90% 16%, rgba(153, 192, 255, 0.45), transparent 26%),
    radial-gradient(circle at 78% 84%, rgba(123, 166, 255, 0.18), transparent 20%),
    linear-gradient(180deg, #f7fbff 0%, #eaf2fb 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Noto Sans SC", "Segoe UI", sans-serif;
  overflow-x: hidden;
  position: relative;
}
body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 125, 240, 0.14), rgba(63, 125, 240, 0.02) 60%, transparent 70%);
  pointer-events: none;
  z-index: -1;
  filter: blur(8px);
}
body::before { top: -140px; left: -120px; }
body::after { right: -120px; bottom: 40px; }

a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}

.wrap {
  width: min(1260px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.66);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  position: relative;
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  border-radius: 18px;
  overflow: hidden;
  background: url('/assets/app-icon.png') center / 205% no-repeat;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.32), 0 12px 26px rgba(31, 102, 240, 0.28);
}
.brand-mark::before {
  content: none;
  position: absolute;
  inset: 12px 16px 13px;
  border: 9px solid rgba(255, 255, 255, 0.98);
  border-top: none;
  border-right: none;
  border-radius: 18px 18px 4px 4px;
  transform: rotate(-45deg);
}
.brand-mark::after {
  content: none;
  position: absolute;
  left: 18px;
  right: 18px;
  top: 18px;
  bottom: 18px;
  border-top: 9px solid rgba(255, 255, 255, 0.98);
  border-left: 9px solid transparent;
  border-right: 9px solid transparent;
  transform: translateY(4px) rotate(180deg);
  border-radius: 20px;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.brand-title {
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.04;
  font-weight: 950;
  letter-spacing: -0.6px;
}
.brand-sub {
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-left: auto;
  margin-right: 8px;
}
.site-nav a {
  position: relative;
  font-size: 14px;
  font-weight: 800;
  color: var(--muted-strong);
  padding: 6px 0;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .2s ease;
}
.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(112, 160, 234, 0.28);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 900;
  box-shadow: 0 12px 24px rgba(47, 125, 240, 0.08);
  white-space: nowrap;
}
.pill:hover {
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 22px;
  align-items: center;
  padding: 26px;
  border-radius: 36px;
  border: 1px solid rgba(112, 160, 234, 0.24);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.88), rgba(247,251,255,0.88)),
    radial-gradient(circle at top left, rgba(47, 125, 240, 0.12), transparent 36%);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.hero-badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--primary-soft);
  border: 1px solid rgba(47, 125, 240, 0.14);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1px;
}
.hero-badge::before {
  content: "◉";
  color: var(--primary);
  font-size: 12px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.2;
  letter-spacing: -1.2px;
  max-width: none;
  text-wrap: balance;
}
.hero-lead {
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}
.btn-primary {
  color: #fff;
  background: linear-gradient(145deg, #4c93ff, #2f7df0);
  box-shadow: 0 18px 30px rgba(47, 125, 240, 0.28);
}
.btn-secondary {
  color: var(--primary-dark);
  background: rgba(255,255,255,0.96);
  border-color: rgba(112, 160, 234, 0.24);
  box-shadow: 0 12px 24px rgba(36, 84, 164, 0.08);
}
.btn-ghost {
  color: var(--muted-strong);
  background: transparent;
  border-color: rgba(112, 160, 234, 0.18);
}

.hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(112, 160, 234, 0.22);
  background: rgba(255,255,255,0.86);
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 800;
}
.chip::before {
  content: "•";
  color: var(--primary);
  font-size: 18px;
  line-height: 1;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 4px;
}
.metric {
  padding: 14px 14px 13px;
  border-radius: 22px;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(112, 160, 234, 0.18);
  box-shadow: 0 12px 26px rgba(36, 84, 164, 0.05);
}
.metric strong {
  display: block;
  font-size: 18px;
  line-height: 1;
  margin-bottom: 6px;
  color: var(--primary-dark);
}
.metric span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.hero-visual {
  position: relative;
  min-height: 660px;
  padding: 18px;
  border-radius: 32px;
  background:
    linear-gradient(180deg, rgba(13, 27, 51, 0.95), rgba(20, 37, 72, 0.94)),
    radial-gradient(circle at top right, rgba(99, 159, 255, 0.28), transparent 30%);
  color: #fff;
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 24px 50px rgba(15, 24, 45, 0.25);
}
.hero-visual::before,
.hero-visual::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}
.hero-visual::before {
  width: 250px;
  height: 250px;
  top: -70px;
  right: -90px;
  transform: rotate(18deg);
}
.hero-visual::after {
  width: 190px;
  height: 190px;
  bottom: -60px;
  left: -80px;
}

.visual-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(59, 130, 246, 0.16);
  border: 1px solid rgba(154, 192, 255, 0.26);
  color: #cfe2ff;
  font-size: 12px;
  font-weight: 900;
  backdrop-filter: blur(10px);
}
.visual-badge::before {
  content: "✓";
  color: #9dffbc;
}

.preview-stack {
  position: relative;
  height: 560px;
  margin-top: 58px;
}
.shot-card {
  position: absolute;
  width: 32%;
  min-width: 190px;
  border-radius: 26px;
  overflow: hidden;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 20px 40px rgba(3, 8, 20, 0.28);
  transform-origin: center center;
}
.shot-card img {
  width: 100%;
  aspect-ratio: 1242 / 2688;
  object-fit: cover;
  background: #f7fbff;
}
.shot-card figcaption {
  padding: 12px 12px 14px;
  background: linear-gradient(180deg, rgba(9, 16, 32, 0.2), rgba(9, 16, 32, 0.72));
  color: #fff;
}
.shot-card figcaption strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}
.shot-card figcaption span {
  display: block;
  color: rgba(226, 235, 255, 0.84);
  font-size: 12px;
  line-height: 1.45;
}
.shot-left {
  left: 0;
  top: 74px;
  transform: rotate(-8deg);
}
.shot-center {
  left: 34%;
  top: 0;
  width: 34%;
  z-index: 3;
}
.shot-right {
  right: 0;
  top: 88px;
  transform: rotate(7deg);
}
.hero-note {
  position: absolute;
  right: 20px;
  bottom: 20px;
  z-index: 3;
  width: min(290px, calc(100% - 40px));
  padding: 16px 16px 14px;
  border-radius: 22px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(14px);
}
.hero-note strong {
  display: block;
  font-size: 14px;
  margin-bottom: 8px;
}
.hero-note p {
  margin: 0;
  color: #d8e7ff;
  font-size: 12px;
  line-height: 1.65;
}
.hero-note .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.hero-note .tag-row span {
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: #edf4ff;
  font-size: 11px;
  font-weight: 800;
}

.section {
  margin-top: 26px;
  padding: 26px;
  border-radius: 30px;
  border: 1px solid rgba(112, 160, 234, 0.18);
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft);
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  border: 1px solid rgba(47, 125, 240, 0.12);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .2px;
}
.section-kicker::before {
  content: "•";
  font-size: 17px;
  color: var(--primary);
}
.section-title {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.3vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.8px;
}
.section-subtitle {
  margin: 8px 0 0;
  max-width: 55rem;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.section-link {
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
}
.section-link:hover {
  text-decoration: underline;
}

.grid {
  display: grid;
  gap: 14px;
}
.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.card {
  padding: 18px;
  border-radius: 24px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(112, 160, 234, 0.2);
  box-shadow: 0 14px 28px rgba(36, 84, 164, 0.07);
}
.feature-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(180deg, #eef5ff, #ddebff);
  color: var(--primary-dark);
  font-size: 22px;
  margin-bottom: 12px;
}
.feature-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 950;
  letter-spacing: -0.2px;
}
.feature-text {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.72;
}

.shot-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.shot {
  overflow: hidden;
  padding: 14px;
}
.shot-frame {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(180deg, #f8fbff, #eef4fb);
  border: 1px solid rgba(112, 160, 234, 0.22);
  box-shadow: var(--shadow);
}
.shot-frame img {
  width: 100%;
  aspect-ratio: 1242 / 2688;
  object-fit: cover;
  background: #fff;
}
.shot-caption {
  padding: 14px 14px 16px;
}
.shot-caption strong {
  display: block;
  margin-bottom: 6px;
  font-size: 17px;
}
.shot-caption span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.flow-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.flow-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 56px;
  height: 30px;
  border-radius: 999px;
  margin-bottom: 12px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 12px;
  font-weight: 900;
}
.flow-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 950;
}
.flow-text {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.chip {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(112, 160, 234, 0.22);
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 800;
}
.chip::before {
  content: "◦";
  color: var(--primary);
  margin-right: 6px;
}

.plan-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.plan-card {
  position: relative;
  overflow: hidden;
}
.plan-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(47, 125, 240, 0.08), transparent 28%);
  pointer-events: none;
}
.plan-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.plan-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 11px;
  font-weight: 900;
}
.plan-price {
  font-size: 17px;
  font-weight: 950;
  letter-spacing: -0.2px;
}
.plan-title {
  margin: 12px 0 6px;
  font-size: 18px;
  font-weight: 950;
}
.plan-subtitle {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}
.plan-list {
  display: grid;
  gap: 8px;
}
.plan-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--text);
  font-size: 13px;
  line-height: 1.65;
}
.plan-row::before {
  content: "✓";
  color: var(--success);
  font-weight: 900;
  flex: 0 0 auto;
}

.support-grid {
  grid-template-columns: 1fr 1fr;
}
.support-card {
  min-height: 100%;
}
.support-card .contact-title {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 950;
}
.contact-text {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.contact-text + .contact-text {
  margin-top: 8px;
}
.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.link-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--primary-soft);
  border: 1px solid rgba(47, 125, 240, 0.14);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 900;
}
.link-pill:hover {
  background: #dce9ff;
}

.article {
  margin-top: 18px;
  padding: clamp(24px, 4vw, 42px);
  border-radius: 28px;
  border: 1px solid rgba(112, 160, 234, 0.2);
  background: rgba(255,255,255,0.84);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-soft);
}
.article h1 {
  margin: 10px 0 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -1px;
}
.article h2 {
  margin: 30px 0 12px;
  font-size: 20px;
  line-height: 1.25;
}
.article p,
.article li {
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted-strong);
}
.article p {
  margin: 10px 0;
}
.article ul {
  margin: 12px 0;
  padding-left: 20px;
}
.article li + li {
  margin-top: 8px;
}
.article a.pill {
  display: inline-flex;
}

.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  padding: 8px 0 0;
  color: var(--muted);
  text-align: center;
}
.footer strong {
  color: var(--text);
  font-size: 18px;
}
.footer small {
  font-size: 12px;
  line-height: 1.7;
}

@media (max-width: 1160px) {
  .hero,
  .feature-grid,
  .shot-grid,
  .flow-grid,
  .plan-grid,
  .support-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    min-height: 600px;
  }
}

@media (max-width: 760px) {
  .wrap {
    width: min(100% - 16px, 1260px);
    padding-top: 14px;
  }
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px;
    border-radius: 24px;
  }
  .site-nav {
    justify-content: flex-start;
    gap: 14px;
    margin: 0;
  }
  .hero,
  .section,
  .article {
    padding: 18px;
    border-radius: 24px;
  }
  .hero h1 {
    font-size: clamp(28px, 7.5vw, 42px);
  }
  .hero-visual {
    min-height: 720px;
    padding: 14px;
  }
  .preview-stack {
    height: 620px;
    margin-top: 58px;
  }
  .shot-card {
    width: 44%;
    min-width: 0;
  }
  .shot-left { left: 0; top: 98px; }
  .shot-center { left: 28%; top: 0; width: 44%; }
  .shot-right { right: 0; top: 122px; }
  .hero-note {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: 16px;
  }
  .hero-metrics,
  .feature-grid,
  .shot-grid,
  .flow-grid,
  .plan-grid,
  .support-grid {
    grid-template-columns: 1fr;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-actions .btn,
  .pill,
  .link-pill {
    width: 100%;
  }
  .nav,
  .actions,
  .hero-actions {
    width: 100%;
  }
}