@charset "UTF-8";

:root {
  --bg: #1b1633;
  --bg-2: #221b40;
  --panel: #272043;
  --line: #3a2f5f;
  --ink: #ede7ff;
  --muted: #a99ccd;
  --lilac: #a794ff;
  --star: #cfc3ff;
  --shell: 1180px;
  --header-height: 70px;
  --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(--lilac); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  color: var(--lilac);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.2px;
  line-height: 1.4;
}
.eyebrow::before { width: 14px; height: 1px; content: ""; background: currentColor; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(27, 22, 51, .93);
  backdrop-filter: blur(14px);
}
.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: 18px;
}
.brand { display: inline-flex; align-items: center; flex: none; gap: 9px; font-size: 21px; font-weight: 900; letter-spacing: -.3px; }
.brand img { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 50%; object-fit: contain; background: #2b2350; }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--lilac);
  color: #1b1633;
  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(11px, 1.8vw, 24px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 7px 0; border-bottom: 1px solid transparent; color: #b6a9d8; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--lilac); color: #fff; }
.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 17px;
  border: 1px solid var(--lilac);
  border-radius: 10px;
  background: var(--lilac);
  color: #1b1633;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: transparent; color: var(--lilac); }
.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: 10px; background: transparent; 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: copy left, tall "before sleep" card right, stars, night timeline */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(560px 340px at 78% 0%, rgba(167, 148, 255, .26), transparent 68%),
    radial-gradient(420px 300px at 6% 92%, rgba(94, 66, 190, .28), transparent 72%),
    linear-gradient(180deg, #1e1838 0%, var(--bg) 100%);
}
.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    radial-gradient(rgba(237, 231, 255, .55) 1px, transparent 1.3px),
    radial-gradient(rgba(207, 195, 255, .35) 1px, transparent 1.4px);
  background-size: 130px 130px, 74px 74px;
  background-position: 12px 18px, 40px 60px;
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .35) 62%, transparent 96%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(240px, .94fr);
  align-items: center;
  gap: clamp(24px, 4vw, 60px);
  padding: 56px 0 30px;
}
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  color: #b4a7d6;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
}
.hero-kicker b {
  padding: 3px 9px;
  border: 1px solid var(--lilac);
  border-radius: 999px;
  color: var(--lilac);
  font-size: 9.5px;
  font-weight: 900;
  letter-spacing: 1.4px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(58px, 8.4vw, 104px);
  font-weight: 900;
  letter-spacing: clamp(-3px, -.6vw, -5px);
  line-height: .94;
}
.hero-subtitle {
  margin: 16px 0 0;
  color: var(--star);
  font-size: clamp(18px, 2.1vw, 24px);
  font-weight: 800;
  line-height: 1.4;
}
.hero-lead { max-width: 520px; margin: 13px 0 0; color: #b4a7d6; font-size: 14.5px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 26px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  gap: 13px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button-primary { background: var(--lilac); color: #1b1633; box-shadow: 0 14px 30px rgba(122, 96, 246, .3); }
.button-primary:hover { background: #bcacff; transform: translateY(-2px); }
.button-large { min-height: 54px; padding: 0 34px; font-size: 15px; }
.text-link { color: #c8bde8; border-bottom: 1px dashed #5e4f8c; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 4px; color: var(--lilac); }

.hero-side { position: relative; display: flex; justify-content: flex-end; padding: 10px 6px 10px 0; }
.sleep-card {
  position: relative;
  width: min(100%, 286px);
  margin: 0;
  padding: 10px 10px 0;
  border: 1px solid rgba(207, 195, 255, .32);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(60, 49, 105, .92), rgba(35, 28, 62, .96));
  box-shadow: 0 26px 54px rgba(8, 4, 24, .6);
}
.sleep-card img { width: 100%; height: auto; aspect-ratio: 3 / 4.1; object-fit: cover; object-position: center 22%; border-radius: 16px; }
.sleep-label {
  position: absolute;
  top: 22px;
  left: 22px;
  z-index: 2;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(27, 22, 51, .78);
  color: #e8e0ff;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.4px;
}
.sleep-card figcaption { padding: 12px 6px 14px; text-align: center; }
.sleep-card figcaption b { display: block; color: #e8e0ff; font-size: 13px; font-weight: 900; }
.sleep-card figcaption span { display: block; margin-top: 2px; color: #a99ccd; font-family: var(--mono); font-size: 10px; }
.star { position: absolute; z-index: 3; color: var(--star); font-size: 13px; line-height: 1; opacity: .85; }
.star-1 { top: 2px; left: 8%; font-size: 16px; }
.star-2 { top: 46%; left: -2px; font-size: 11px; opacity: .6; }
.star-3 { top: 20%; right: -2px; font-size: 10px; opacity: .55; }
.star-4 { bottom: 4%; left: 18%; font-size: 22px; opacity: .4; }

.night-line {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  width: 100%;
  max-width: 760px;
  padding: 0 0 46px;
  margin: 0 auto;
  list-style: none;
}
.night-line::before {
  position: absolute;
  top: 15px;
  left: 8%;
  right: 8%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--lilac), var(--lilac), transparent);
  opacity: .55;
}
.night-line li { position: relative; padding-top: 34px; text-align: center; }
.night-line li::before {
  position: absolute;
  top: 9px;
  left: 50%;
  width: 11px;
  height: 11px;
  content: "";
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--lilac);
  transform: translateX(-50%);
}
.night-line li:last-child::before { background: var(--lilac); }
.night-line b { display: block; color: #f0eaff; font-family: var(--mono); font-size: 14px; letter-spacing: .5px; }
.night-line span { display: block; margin-top: 2px; color: #9d90c1; font-size: 11.5px; }

/* shared headings */
.section-heading { margin-bottom: 30px; }
.section-heading h2 { margin: 0; font-size: clamp(24px, 2.8vw, 34px); font-weight: 900; letter-spacing: -.7px; line-height: 1.3; }
.section-heading > p:last-child { max-width: 640px; margin: 11px 0 0; color: var(--muted); font-size: 14px; }
.section-heading-center { text-align: center; }
.section-heading-center > p:last-child { margin-left: auto; margin-right: auto; }

/* features: two columns, number on the left */
.features { padding: 66px 0 70px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.feature-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 22px 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(120deg, rgba(167, 148, 255, .09), transparent 58%), var(--panel);
}
.feature-no { color: #6f5fa8; font-family: var(--mono); font-size: 22px; font-weight: 700; line-height: 1; text-align: center; }
.feature-card h3 { margin: 0 0 5px; font-size: 17px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* shots: four edge-to-edge art frames with caption overlay */
.shots { padding: 66px 0 70px; }
.art-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; align-items: start; }
.art-card { position: relative; margin: 0; overflow: hidden; border-radius: 16px; background: var(--panel); }
.art-card:nth-child(even) { margin-top: 26px; }
.art-card img { width: 100%; height: auto; aspect-ratio: 3 / 4.2; object-fit: cover; object-position: center 18%; }
.art-card figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px 13px 12px;
  background: linear-gradient(180deg, transparent, rgba(10, 7, 24, .88));
}
.art-card figcaption b { display: block; color: var(--lilac); font-family: var(--mono); font-size: 10px; }
.art-card figcaption span { display: block; color: #f2edff; font-size: 13.5px; font-weight: 800; line-height: 1.3; }
.art-card figcaption small { display: block; color: #bcb0dd; font-size: 10.5px; font-weight: 500; }

/* faq: two columns of details under a centered heading */
.faq { padding: 66px 0 70px; border-top: 1px solid var(--line); background: var(--bg-2); }
.faq-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 26px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary h3 { margin: 0; font-size: 15px; 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(--lilac);
  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: one rail per row */
.reviews { padding: 66px 0 72px; }
.review-list { display: grid; gap: 0; padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.review-card {
  display: grid;
  grid-template-columns: 178px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.review-meta { display: flex; flex-direction: column; gap: 4px; padding-left: 14px; border-left: 2px solid var(--lilac); }
.review-meta b { color: #efe9ff; font-size: 13.5px; font-weight: 900; }
.review-meta time { color: #8e82b5; font-family: var(--mono); font-size: 9.5px; }
.review-card p { margin: 0; color: #c2b6e0; font-size: 13px; line-height: 1.8; }

/* steps: three nodes on a line */
.steps { padding: 64px 0 70px; border-top: 1px solid var(--line); background: var(--bg-2); }
.step-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.step-list::before {
  position: absolute;
  top: 16px;
  left: 14%;
  right: 14%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, var(--line) 12%, var(--line) 88%, transparent);
}
.step-list li { position: relative; padding: 40px 18px 20px; }
.step-list span {
  position: absolute;
  top: 0;
  left: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--lilac);
  border-radius: 50%;
  background: var(--bg-2);
  color: var(--lilac);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
}
.step-list h3 { margin: 0 0 6px; font-size: 16.5px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.78; }

/* download */
.download { padding: 32px 0; }
.download-inner {
  padding: 48px clamp(22px, 5vw, 58px);
  border-radius: 20px;
  background:
    radial-gradient(360px 220px at 50% 0%, rgba(167, 148, 255, .34), transparent 70%),
    linear-gradient(180deg, #2e2456, #241c46);
  border: 1px solid rgba(167, 148, 255, .3);
  text-align: center;
}
.download .eyebrow { display: inline-flex; }
.download h2 { max-width: 640px; margin: 0 auto; font-size: clamp(24px, 2.9vw, 35px); font-weight: 900; line-height: 1.3; }
.download-inner > p { max-width: 520px; margin: 12px auto 24px; color: var(--muted); font-size: 13.5px; }
.download .button-primary { background: #eee7ff; color: #241b48; box-shadow: 0 14px 30px rgba(10, 6, 28, .45); }
.download .button-primary:hover { background: #fff; }
.download-notes { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; padding: 20px 0 0; margin: 26px 0 0; border-top: 1px solid rgba(167, 148, 255, .22); list-style: none; }
.download-notes li { color: #a99ccd; font-family: var(--mono); font-size: 10.5px; }
.download-notes li::before { margin-right: 6px; content: "✦"; color: #7d6cb8; }

/* footer */
.site-footer { padding: 42px 0 50px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px 40px; align-items: start; }
.footer-brand strong { font-size: 17px; 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 20px; }
.footer-nav a { color: #b1a4d2; font-size: 12px; }
.footer-nav a:hover { color: #fff; }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 22px; padding-top: 16px; 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: #8b7fb0; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) 260px; gap: 24px; }
  .art-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .art-card:nth-child(even) { margin-top: 0; }
  .art-card:nth-child(2),
  .art-card:nth-child(4) { margin-top: 24px; }
}
@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 30px rgba(0, 0, 0, .5);
  }
  .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); }
  .hero-grid { grid-template-columns: minmax(0, 1fr) 220px; padding: 40px 0 24px; gap: 20px; }
  .hero-side { justify-content: flex-end; margin-top: 0; }
  .sleep-card { width: 100%; }
  .faq-list { grid-template-columns: 1fr; }
  .faq-list details:nth-last-child(2) { border-bottom: 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .review-card { grid-template-columns: 128px minmax(0, 1fr); gap: 14px; }
}
@media (max-width: 700px) {
  .hero-grid { grid-template-columns: 1fr; gap: 22px; }
  .hero-side { justify-content: flex-start; }
  .sleep-card { width: min(268px, 74%); }
}
@media (max-width: 600px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .hero h1 { font-size: clamp(46px, 14vw, 62px); }
  .hero-lead { font-size: 14px; }
  .night-line { padding-bottom: 34px; }
  .night-line b { font-size: 12px; }
  .night-line span { font-size: 10.5px; }
  .sleep-card { width: min(260px, 76%); }
  .art-grid { gap: 10px; }
  .art-card figcaption { padding: 24px 10px 10px; }
  .step-list { grid-template-columns: 1fr; gap: 6px; }
  .step-list::before { display: none; }
  .step-list li { padding: 30px 14px 16px; border-top: 1px solid var(--line); }
  .step-list span { top: -1px; left: 14px; background: var(--bg-2); }
  .review-card { grid-template-columns: 1fr; gap: 8px; }
  .review-meta { flex-direction: row; align-items: baseline; justify-content: space-between; }
  .footer-grid { grid-template-columns: 1fr; }
  .download-inner { padding: 34px 20px; }
}
@media (max-width: 380px) {
  .brand { font-size: 17px; gap: 6px; }
  .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: 42px; }
  .hero-subtitle { font-size: 16px; }
  .button { width: 100%; }
  .feature-card { grid-template-columns: 40px minmax(0, 1fr); gap: 12px; padding: 18px 16px; }
  .feature-no { font-size: 18px; }
}