@charset "UTF-8";

:root {
  --bg: #fbf7ff;
  --bg-2: #f3e8ff;
  --panel: #ffffff;
  --line: #e2d3f6;
  --ink: #2a1b3d;
  --muted: #6a5a80;
  --violet: #8b5cf6;
  --violet-deep: #6d35d8;
  --pink: #f3e8ff;
  --shell: 1180px;
  --header-height: 72px;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 18px); }
body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
svg { display: block; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--violet); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  color: var(--violet-deep);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.2px;
  line-height: 1.4;
}
.eyebrow::before { width: 16px; height: 2px; content: ""; background: currentColor; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(251, 247, 255, .94);
  backdrop-filter: blur(12px);
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 48px), var(--shell));
  min-height: var(--header-height);
  margin: 0 auto;
  gap: 20px;
}
.brand { display: inline-flex; align-items: center; flex: none; gap: 10px; font-size: 21px; font-weight: 900; letter-spacing: -.2px; }
.brand img { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; object-fit: contain; background: var(--pink); }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #c4a6ff, var(--violet));
  color: #fff;
  font-family: var(--mono);
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
}
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(12px, 1.9vw, 25px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 7px 0; border-bottom: 2px solid transparent; color: #6f6188; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--violet); color: var(--ink); }
.nav-actions { display: flex; align-items: center; flex: none; gap: 10px; }
.nav-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  gap: 8px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: linear-gradient(135deg, #a78bfa, var(--violet-deep));
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: filter .18s ease;
}
.nav-download:hover { filter: brightness(1.08); }
.nav-download svg, .button svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: var(--panel); cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 2px; margin: 5px auto; background: var(--ink); transition: transform .18s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }

/* hero: centered title + 5 tall tiles */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(175deg, #fdf9ff 0%, #f3e8ff 44%, #c9b0f8 76%, #8b5cf6 100%);
  padding: 26px 0 0;
}
.hero::before {
  position: absolute;
  top: -40px;
  left: 50%;
  width: 620px;
  height: 320px;
  content: "";
  background: radial-gradient(closest-side, rgba(255, 255, 255, .85), transparent);
  transform: translateX(-50%);
  pointer-events: none;
}
.hero-top { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.hero-kicker { margin: 0; color: #8a76a8; font-family: var(--mono); font-size: 10.5px; letter-spacing: 2.6px; }
.hero-post {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px 9px 16px;
  border: 1px solid rgba(109, 53, 216, .35);
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  color: var(--violet-deep);
  font-size: 13px;
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(139, 92, 246, .16);
}
.hero-post svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.hero-post b { color: var(--violet); font-size: 15px; line-height: 1; }
.hero-post:hover { background: #fff; }
.hero-center { position: relative; padding: 26px 0 24px; text-align: center; }
.hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 900;
  letter-spacing: clamp(-3px, -.7vw, -6px);
  line-height: .98;
}
.hero-subtitle {
  margin: 14px 0 0;
  color: var(--violet-deep);
  font-size: clamp(17px, 2vw, 23px);
  font-weight: 800;
  line-height: 1.4;
}
.hero-lead { max-width: 560px; margin: 12px auto 0; color: #57456e; font-size: 14.5px; }
.hero-center .button { margin-top: 22px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  gap: 14px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, filter .18s ease;
}
.button-primary { background: var(--ink); color: #f7f1ff; box-shadow: 0 14px 28px rgba(42, 27, 61, .22); }
.button-primary:hover { filter: brightness(1.18); transform: translateY(-2px); }
.button-large { min-height: 54px; padding: 0 34px; font-size: 15px; }

.hero-gallery {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: end;
  gap: 8px;
  padding-bottom: 0;
}
.g-tile { margin: 0; border-radius: 10px 10px 0 0; overflow: hidden; box-shadow: 0 -6px 24px rgba(48, 22, 88, .18); }
.g-tile img { width: 100%; height: 100%; aspect-ratio: 3 / 5; object-fit: cover; object-position: top center; }
.g1 { transform: translateY(14px); }
.g2 { transform: translateY(0); }
.g3 { transform: translateY(20px); }
.g4 { transform: translateY(6px); }
.g5 { transform: translateY(24px); }
.g5 img { object-position: center 88%; }

/* features */
.features { padding: 74px 0 78px; border-bottom: 1px solid var(--line); }
.section-heading { margin-bottom: 32px; }
.section-heading-center { text-align: center; }
.section-heading-center .eyebrow::before { display: none; }
.section-heading-center > p:last-child { margin-left: auto; margin-right: auto; }
.section-heading h2, .download h2 { margin: 0; color: var(--ink); font-size: clamp(24px, 2.8vw, 34px); font-weight: 900; letter-spacing: -.8px; line-height: 1.3; }
.section-heading > p:last-child { max-width: 600px; margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(200px, 290px); align-items: end; gap: 26px; }
.section-heading-split > p:last-child { margin: 0 0 5px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-card { padding: 26px 22px 24px; border-left: 1px solid var(--line); }
.feature-card:first-child { border-left: 0; }
.feature-no {
  display: block;
  margin-bottom: 12px;
  color: var(--violet);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.6px;
}
.feature-card h3 { margin: 0 0 8px; font-size: 17px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.85; }

/* shots */
.shots { padding: 74px 0 80px; background: var(--bg-2); border-bottom: 1px solid var(--line); }
.poster-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; align-items: start; }
.poster-card { margin: 0; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); overflow: hidden; }
.poster-card img { width: 100%; height: auto; aspect-ratio: 3 / 4.4; object-fit: cover; object-position: top center; }
.poster-card:nth-child(even) img { object-position: center 22%; }
.poster-card figcaption { padding: 10px 12px 12px; border-top: 1px solid var(--line); }
.poster-card figcaption b { margin-right: 7px; color: var(--violet); font-family: var(--mono); font-size: 10px; }
.poster-card figcaption span { display: inline-flex; flex-direction: column; vertical-align: top; font-size: 13px; font-weight: 800; line-height: 1.4; }
.poster-card figcaption small { color: var(--muted); font-size: 10.5px; font-weight: 500; }

/* faq: centered heading + wide list */
.faq { padding: 72px 0 78px; }
.faq-layout { display: block; }
.faq-heading { margin-bottom: 26px; text-align: center; }
.faq-heading .eyebrow::before { display: none; }
.faq-heading > p:last-child { margin-left: auto; margin-right: auto; }
.faq-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary h3 { margin: 0; font-size: 15.5px; font-weight: 900; }
.faq-list summary i { position: relative; flex: none; width: 20px; height: 20px; }
.faq-list summary i::before,
.faq-list summary i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1.5px;
  content: "";
  background: var(--violet);
  transform: translate(-50%, -50%);
}
.faq-list summary i::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .2s ease; }
.faq-list details[open] summary i::after { transform: translate(-50%, -50%) rotate(0); }
.faq-list details p { padding: 0 24px 16px 0; margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.85; }

/* reviews */
.reviews { padding: 74px 0 80px; background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.review-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding: 0; margin: 0; list-style: none; }
.review-card { position: relative; padding: 22px 22px 20px 26px; border-radius: 14px; background: var(--panel); box-shadow: 0 10px 26px rgba(139, 92, 246, .08); }
.review-card::before { position: absolute; top: 18px; left: 10px; bottom: 18px; width: 3px; content: ""; border-radius: 2px; background: linear-gradient(180deg, #d9c6ff, var(--violet)); }
.review-meta { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.review-meta b { color: var(--violet-deep); font-size: 13px; font-weight: 900; }
.review-meta time { color: #9b8bb2; font-family: var(--mono); font-size: 10px; }
.review-card p { margin: 0; color: #4c3b62; font-size: 13px; line-height: 1.8; }

/* steps */
.steps { padding: 72px 0 78px; }
.step-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding: 0; margin: 0; list-style: none; }
.step-list li { padding: 24px 22px 22px; border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(170deg, #fff, #faf5ff); }
.step-list span {
  display: block;
  margin-bottom: 10px;
  color: var(--violet);
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
}
.step-list h3 { margin: 0 0 7px; font-size: 16px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.8; }

/* download: centered, gradient framed */
.download { padding: 26px 0; }
.download-inner {
  position: relative;
  max-width: 900px;
  padding: 48px clamp(24px, 5vw, 56px) 42px;
  border-radius: 16px;
  background: linear-gradient(#fff, #fff) padding-box,
              linear-gradient(135deg, #e9d5ff, #8b5cf6) border-box;
  border: 2px solid transparent;
  text-align: center;
}
.download .eyebrow { justify-content: center; }
.download h2 { max-width: 620px; margin: 0 auto; }
.download-inner > p { max-width: 520px; margin: 12px auto 22px; color: var(--muted); font-size: 14px; }
.download-notes { display: flex; justify-content: center; flex-wrap: wrap; gap: 6px 22px; padding: 18px 0 0; margin: 22px 0 0; border-top: 1px solid var(--line); list-style: none; }
.download-notes li { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.download-notes li::before { margin-right: 7px; content: "✳"; color: var(--violet); }

/* footer */
.site-footer { padding: 44px 0 52px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px 40px; align-items: start; }
.footer-brand strong { font-size: 18px; font-weight: 900; }
.footer-brand p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer-nav a { color: #64527c; font-size: 12px; }
.footer-nav a:hover { color: var(--violet-deep); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-meta p { margin: 0; }
.footer-meta a { color: var(--muted); }
.disclaimer { grid-column: 1 / -1; margin: 0; color: #8d7ba4; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-card:nth-child(3) { border-left: 0; }
  .feature-card:nth-child(n+3) { border-top: 1px solid var(--line); }
  .poster-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 8px 24px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    box-shadow: 0 16px 26px rgba(42, 27, 61, .14);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .faq-list { grid-template-columns: 1fr; }
  .step-list { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .hero h1 { font-size: clamp(42px, 13vw, 60px); }
  .hero-gallery { display: flex; gap: 7px; overflow-x: auto; padding-bottom: 0; scroll-snap-type: x mandatory; }
  .g-tile { flex: 0 0 96px; scroll-snap-align: start; }
  .g-tile img { aspect-ratio: 3 / 5; }
  .g1, .g2, .g3, .g4, .g5 { transform: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { border-left: 0; }
  .feature-card + .feature-card { border-top: 1px solid var(--line); }
  .review-list { grid-template-columns: 1fr; }
  .section-heading-split { grid-template-columns: 1fr; gap: 10px; }
  .section-heading-split > p:last-child { margin: 0; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  .brand { font-size: 16px; gap: 7px; }
  .brand img { width: 30px; height: 30px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 8px; }
  .nav-download { min-height: 34px; padding: 0 10px; font-size: 11px; gap: 5px; }
  .nav-download svg { width: 14px; height: 14px; }
  .menu-toggle { width: 34px; height: 34px; }
  .hero h1 { font-size: 40px; }
  .hero-subtitle { font-size: 16px; }
  .button { width: 100%; }
  .g-tile { flex: 0 0 84px; }
}
