@charset "UTF-8";

:root {
  --bg: #1A0733;
  --bg-2: #220A41;
  --panel: #2E1065;
  --panel-2: #351379;
  --line: #4A2A82;
  --ink: #F3EDFF;
  --muted: #B6A6D8;
  --violet: #A78BFA;
  --violet-deep: #7C4DE0;
  --shell: 1160px;
  --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;
  overflow-wrap: anywhere;
}
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: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--violet);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.4px;
  line-height: 1.4;
}
.eyebrow::before { width: 18px; height: 1px; content: ""; background: currentColor; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(26, 7, 51, .94);
  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: 20px;
}
.brand { display: inline-flex; align-items: center; flex: none; gap: 10px; font-size: 20px; font-weight: 900; letter-spacing: .4px; }
.brand img { width: 36px; height: 36px; border-radius: 11px; object-fit: contain; }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 19px;
  height: 19px;
  border: 1px solid var(--violet);
  border-radius: 50%;
  color: var(--violet);
  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, 1.8vw, 24px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 7px 0; color: #C4B4E4; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { color: #fff; box-shadow: inset 0 -2px 0 var(--violet); }
.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 var(--violet);
  border-radius: 999px;
  background: var(--violet);
  color: #21093F;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: transparent; color: var(--violet); }
.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 */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(560px 420px at 88% 6%, rgba(167, 139, 250, .28), transparent 68%),
    radial-gradient(520px 340px at 2% 96%, rgba(124, 77, 224, .2), transparent 72%),
    linear-gradient(180deg, #250B4A 0%, var(--bg) 100%);
}
.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: radial-gradient(rgba(167, 139, 250, .34) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at 76% 38%, #000 0, transparent 62%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  align-items: center;
  gap: clamp(20px, 3vw, 46px);
  padding: 62px 0 26px;
}
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: #C4B4E4;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.6px;
}
.hero-kicker b {
  padding: 3px 8px;
  border: 1px solid var(--violet);
  border-radius: 6px;
  color: var(--violet);
  font-size: 9.5px;
  font-weight: 900;
  letter-spacing: 1.4px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(54px, 7.4vw, 96px);
  font-weight: 900;
  letter-spacing: clamp(-1px, -.3vw, -3px);
  line-height: 1;
}
.hero-subtitle {
  margin: 16px 0 0;
  color: var(--violet);
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: .5px;
}
.hero-lead { max-width: 520px; margin: 14px 0 0; color: var(--muted); font-size: 14.5px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-top: 26px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  gap: 14px;
  padding: 0 30px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button-primary { background: var(--violet); color: #21093F; box-shadow: 0 16px 34px rgba(124, 77, 224, .32); }
.button-primary:hover { background: #BD9FFB; transform: translateY(-2px); }
.button-large { min-height: 54px; padding: 0 36px; font-size: 15px; }
.text-link { color: #CFC2EA; border-bottom: 1px dashed #5B3B96; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--violet); }

.orb-stage { position: relative; display: grid; justify-items: center; gap: 18px; min-width: 0; }
.orb { position: relative; display: grid; place-items: center; width: min(100%, 320px); aspect-ratio: 1 / 1; }
.orb-core {
  position: relative;
  z-index: 2;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, rgba(255, 255, 255, .95) 0 5%, rgba(196, 168, 255, .55) 26%, rgba(124, 77, 224, .9) 62%, #2E1065 100%);
  box-shadow: 0 0 60px rgba(167, 139, 250, .6), inset -12px -18px 34px rgba(46, 16, 101, .9);
}
.orb-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(167, 139, 250, .55);
  border-radius: 50%;
}
.ring-a { width: 196px; height: 196px; margin: -98px 0 0 -98px; border-top-color: rgba(233, 221, 255, .95); animation: spin 18s linear infinite; }
.ring-b { width: 252px; height: 108px; margin: -54px 0 0 -126px; border-left-color: rgba(233, 221, 255, .8); transform: rotate(-24deg); animation: spin 26s linear infinite reverse; }
.ring-c { width: 300px; height: 300px; margin: -150px 0 0 -150px; border-style: dashed; border-color: rgba(167, 139, 250, .34); animation: spin 46s linear infinite; }
.orb-dot { position: absolute; width: 8px; height: 8px; border-radius: 50%; background: #E9DDFF; box-shadow: 0 0 12px rgba(233, 221, 255, .9); }
.dot-a { top: 12%; right: 22%; }
.dot-b { bottom: 20%; left: 12%; width: 6px; height: 6px; }
.dot-c { top: 48%; left: 4%; width: 5px; height: 5px; background: var(--violet); }
@keyframes spin { to { transform: rotate(360deg); } }
.ring-b { animation-name: spin-b; }
@keyframes spin-b { from { transform: rotate(-24deg); } to { transform: rotate(336deg); } }
@media (prefers-reduced-motion: reduce) {
  .orb-ring { animation: none; }
}
.orb-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; padding: 0; margin: 0; list-style: none; }
.orb-tags li {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(46, 16, 101, .72);
  color: var(--muted);
  font-size: 11.5px;
}
.orb-tags b { margin-right: 6px; color: var(--violet); font-weight: 900; }

.resonance {
  position: relative;
  z-index: 2;
  padding: 18px 20px 14px;
  margin: 0 0 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(34, 10, 65, .74);
}
.resonance-head { display: flex; align-items: baseline; justify-content: space-between; margin: 0 0 10px; color: var(--muted); font-family: var(--mono); font-size: 11px; letter-spacing: 1.6px; }
.resonance-head b { color: var(--violet); font-size: 20px; }
.resonance-track { position: relative; height: 6px; border-radius: 999px; background: linear-gradient(90deg, rgba(167, 139, 250, .18), rgba(167, 139, 250, .82)); }
.resonance-track i { position: absolute; top: -7px; left: 76%; width: 3px; height: 20px; background: #F0E7FF; box-shadow: 0 0 10px rgba(240, 231, 255, .9); }
.resonance-ticks { display: flex; justify-content: space-between; margin-top: 9px; color: #8E79B8; font-family: var(--mono); font-size: 10px; }

/* features */
.features { padding: 72px 0 76px; border-top: 1px solid var(--line); background: var(--bg-2); }
.section-heading { margin-bottom: 30px; }
.section-heading h2, .download h2 { margin: 0; font-size: clamp(24px, 2.7vw, 34px); font-weight: 900; letter-spacing: -.5px; 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 4px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.feature-card {
  position: relative;
  padding: 26px 24px 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(150deg, rgba(167, 139, 250, .12), transparent 58%), var(--panel);
}
.feature-card::after {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(167, 139, 250, .4);
  border-radius: 50%;
  content: "";
}
.feature-no { display: block; margin-bottom: 9px; color: var(--violet); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 1.6px; }
.feature-card h3 { margin: 0 0 7px; font-size: 18px; font-weight: 900; }
.feature-card p { max-width: 380px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* shots */
.shots { padding: 72px 0 78px; }
.shot-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; align-items: stretch; }
.shot-card { display: flex; flex-direction: column; margin: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); overflow: hidden; }
.shot-card img { width: 100%; height: auto; aspect-ratio: 9 / 16; object-fit: cover; object-position: top center; }
.shot-card figcaption { display: flex; flex: 1; flex-direction: column; gap: 2px; padding: 12px 12px 13px; border-top: 1px solid var(--line); }
.shot-card figcaption b { color: var(--violet); font-family: var(--mono); font-size: 10px; letter-spacing: 1px; }
.shot-card figcaption span { font-size: 13.5px; font-weight: 800; line-height: 1.4; }
.shot-card figcaption small { color: var(--muted); font-size: 10.5px; font-weight: 500; }

/* faq */
.faq { padding: 70px 0 76px; border-top: 1px solid var(--line); background: var(--bg-2); }
.faq-layout { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: clamp(24px, 3.6vw, 50px); }
.faq-heading { position: sticky; top: calc(var(--header-height) + 26px); align-self: start; }
.faq-list { 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: 16px 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: 22px; height: 22px; border: 1px solid var(--line); border-radius: 50%; }
.faq-list summary i::before,
.faq-list summary i::after { position: absolute; top: 50%; left: 50%; width: 9px; 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 26px 16px 0; margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.85; }

/* reviews */
.reviews { padding: 72px 0 78px; }
.review-list { display: grid; gap: 10px; padding: 0; margin: 0; list-style: none; }
.review-card {
  position: relative;
  padding: 18px 22px 18px 30px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
}
.review-card::before {
  position: absolute;
  top: 18px;
  bottom: 18px;
  left: 14px;
  width: 2px;
  border-radius: 2px;
  content: "";
  background: linear-gradient(180deg, var(--violet), rgba(167, 139, 250, .12));
}
.review-meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin-bottom: 5px; }
.review-meta b { color: var(--violet); font-size: 13.5px; font-weight: 900; }
.review-meta time { color: #8E79B8; font-family: var(--mono); font-size: 10.5px; }
.review-card p { margin: 0; color: #CBBDDF; font-size: 13.5px; line-height: 1.75; }

/* steps */
.steps { padding: 70px 0 76px; border-top: 1px solid var(--line); background: var(--bg-2); }
.step-list { position: relative; display: grid; gap: 18px; padding: 4px 0 4px 34px; margin: 0; list-style: none; }
.step-list::before { position: absolute; top: 10px; bottom: 10px; left: 11px; width: 1px; content: ""; background: linear-gradient(180deg, var(--violet), rgba(167, 139, 250, .1)); }
.step-list li { position: relative; padding: 4px 0; }
.step-list li::before {
  position: absolute;
  top: 12px;
  left: -30px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--violet);
  border-radius: 50%;
  content: "";
  background: var(--bg-2);
}
.step-list span { display: block; color: var(--violet); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 1.8px; }
.step-list h3 { margin: 2px 0 5px; font-size: 17px; font-weight: 900; }
.step-list p { max-width: 640px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* download */
.download { padding: 24px 0 40px; }
.download-inner {
  padding: 52px clamp(24px, 5vw, 60px) 44px;
  border: 1px solid #5B3B96;
  border-radius: 16px;
  background:
    radial-gradient(380px 220px at 50% -10%, rgba(167, 139, 250, .34), transparent 70%),
    linear-gradient(160deg, #351379, #220A41 78%);
  text-align: center;
}
.download .eyebrow { justify-content: center; }
.download h2 { max-width: 640px; margin: 0 auto; }
.download-inner > p { max-width: 500px; margin: 13px auto 24px; color: var(--muted); font-size: 14px; }
.download-notes { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; padding: 18px 0 0; margin: 26px 0 0; border-top: 1px solid rgba(167, 139, 250, .22); list-style: none; }
.download-notes li { color: #C4B4E4; font-family: var(--mono); font-size: 11px; }

/* 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: 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: #C4B4E4; font-size: 12px; }
.footer-nav a:hover { color: var(--violet); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; margin-top: 22px; padding-top: 17px; 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: #8E79B8; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 300px); gap: 18px; }
  .orb-core { width: 124px; height: 124px; }
  .ring-c { width: 250px; height: 250px; margin: -125px 0 0 -125px; }
  .ring-b { width: 214px; height: 92px; margin: -46px 0 0 -107px; }
  .shot-grid { 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(0, 0, 0, .55);
  }
  .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: 1fr; padding: 44px 0 22px; }
  .orb-stage { gap: 12px; }
  .orb { width: min(100%, 250px); }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
}
@media (max-width: 768px) {
  .feature-grid { grid-template-columns: 1fr; }
  .section-heading-split { grid-template-columns: 1fr; gap: 10px; }
  .section-heading-split > p:last-child { margin: 0; }
  .reviews .section-heading, .steps .section-heading { margin-bottom: 24px; }
  .download-inner { padding: 40px 24px 34px; }
}
@media (max-width: 560px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .hero h1 { font-size: clamp(46px, 14vw, 62px); }
  .hero-lead { font-size: 14px; }
  .shot-grid { gap: 10px; }
  .shot-card figcaption span { font-size: 12.5px; }
  .review-card { padding: 16px 16px 16px 26px; }
  .resonance { margin-bottom: 32px; }
  .footer-grid { grid-template-columns: 1fr; }
  .button { width: 100%; }
  .hero-actions { gap: 14px; }
  .text-link { width: 100%; text-align: center; }
}
@media (max-width: 380px) {
  .brand { font-size: 17px; 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: 44px; }
  .hero-subtitle { font-size: 16px; }
  .orb { width: 210px; }
  .orb-core { width: 104px; height: 104px; }
}