@charset "UTF-8";

:root {
  --bg: #09090B;
  --bg-2: #0E0E11;
  --panel: #141417;
  --line: #27272A;
  --ink: #FAFAFA;
  --muted: #A1A1AA;
  --rose: #E11D48;
  --rose-soft: #FB7185;
  --shell: 1160px;
  --header-height: 68px;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 16px); }
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(--rose-soft); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 44px), var(--shell)); margin: 0 auto; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  color: var(--rose-soft);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.6px;
  line-height: 1.4;
}
.eyebrow::before { width: 14px; height: 2px; content: ""; background: currentColor; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 9, 11, .94);
  backdrop-filter: blur(14px);
}
.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 44px), var(--shell));
  min-height: var(--header-height);
  margin: 0 auto;
  gap: 18px;
}
.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: 1px solid var(--line); border-radius: 50%; object-fit: contain; background: #17171B; }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background: var(--rose);
  color: #FFF1F4;
  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: 6px 0; border-bottom: 1px solid transparent; color: #B4B4BB; font-size: 12.5px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--rose); 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: 40px;
  gap: 8px;
  padding: 0 17px;
  border: 1px solid var(--rose);
  border-radius: 6px;
  background: var(--rose);
  color: #FFF1F4;
  font-size: 12.5px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: transparent; color: var(--rose-soft); }
.nav-download svg, .button svg { width: 17px; height: 17px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 17px; 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;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(520px 340px at 88% -6%, rgba(225, 29, 72, .3), transparent 72%),
    radial-gradient(420px 280px at 2% 104%, rgba(225, 29, 72, .12), transparent 74%),
    linear-gradient(180deg, #101014 0%, var(--bg) 96%);
}
.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, .035) 0 1px, transparent 1px 54px);
  mask-image: linear-gradient(180deg, #000, transparent 94%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  align-items: center;
  gap: clamp(22px, 3.6vw, 50px);
  padding: 66px 0 68px;
}
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  color: #B4B4BB;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.5px;
}
.hero-kicker b {
  padding: 3px 7px;
  border-radius: 4px;
  background: var(--rose);
  color: #FFF1F4;
  font-size: 9.5px;
  font-weight: 900;
  letter-spacing: 1.4px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(54px, 7.6vw, 98px);
  font-weight: 900;
  letter-spacing: -.5vw;
  line-height: .98;
}
.hero-subtitle {
  margin: 16px 0 0;
  color: var(--rose-soft);
  font-size: clamp(17px, 2vw, 23px);
  font-weight: 800;
  line-height: 1.4;
}
.hero-lead { max-width: 500px; margin: 13px 0 0; color: var(--muted); font-size: 14px; }
.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: 48px;
  gap: 12px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button-primary { background: var(--rose); color: #FFF1F4; box-shadow: 0 14px 28px rgba(225, 29, 72, .26); }
.button-primary:hover { background: #F43F5E; transform: translateY(-2px); }
.button-large { min-height: 52px; padding: 0 32px; font-size: 14.5px; }
.text-link { color: #C9C9D0; border-bottom: 1px dashed #4A4A52; font-size: 12.5px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--rose-soft); }

.hero-visual { display: flex; flex-direction: column; align-items: center; gap: 22px; min-width: 0; }
.cat-orb {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(150px, 20vw, 190px);
  height: clamp(130px, 17vw, 164px);
  margin-top: 22px;
}
.cat-orb::before {
  position: absolute;
  inset: 0;
  border: 1px solid #3F3F46;
  border-radius: 50%;
  content: "";
  background: radial-gradient(circle at 34% 26%, rgba(225, 29, 72, .5), rgba(9, 9, 11, .9) 72%);
  box-shadow: inset 0 0 34px rgba(225, 29, 72, .28);
}
.ear {
  position: absolute;
  top: -14px;
  width: 44px;
  height: 44px;
  background: linear-gradient(150deg, #E11D48, #7F1030);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}
.ear-left { left: 16px; transform: rotate(-14deg); }
.ear-right { right: 16px; transform: rotate(14deg); }
.orb-face { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.orb-face b { font-family: var(--mono); font-size: 25px; font-weight: 700; letter-spacing: 3px; }
.orb-face small { color: var(--rose-soft); font-size: 10.5px; letter-spacing: 1.4px; }
.cover-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; width: 100%; }
.cover {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 2px;
  aspect-ratio: 3 / 4;
  padding: 11px 10px;
  border: 1px solid #34343A;
  border-radius: 8px;
  overflow: hidden;
  font-size: 12px;
  line-height: 1.35;
}
.cover b { font-size: 13px; font-weight: 900; }
.cover small { color: rgba(255, 255, 255, .72); font-size: 10.5px; }
.cover-a { background: linear-gradient(155deg, #4C0519, #18181B 78%); }
.cover-b { background: linear-gradient(155deg, #27272A, #7F1028 92%); }
.cover-c { background: linear-gradient(155deg, #3B0764, #18181B 84%); }
.subtitle-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 8px;
  width: 100%;
  padding: 9px 14px;
  margin: 0;
  border: 1px dashed #3F3F46;
  border-radius: 999px;
  color: #C9C9D0;
  font-family: var(--mono);
  font-size: 11px;
}
.subtitle-line span { padding: 1px 7px; border-radius: 999px; background: rgba(225, 29, 72, .18); color: var(--rose-soft); }
.subtitle-line i { color: #52525B; font-style: normal; }

/* features */
.features { padding: 70px 0 74px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.section-heading { margin-bottom: 30px; }
.section-heading h2, .download h2 { margin: 0; font-size: clamp(23px, 2.7vw, 33px); font-weight: 900; letter-spacing: -.5px; line-height: 1.3; }
.section-heading > p:last-child { max-width: 600px; margin: 11px 0 0; color: var(--muted); font-size: 13.5px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(180px, 288px); align-items: end; gap: 24px; }
.section-heading-split > p:last-child { margin: 0 0 4px; }
.feature-list { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.feature-list li {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  align-items: center;
  gap: 10px 22px;
  padding: 20px 6px;
  border-bottom: 1px solid var(--line);
}
.feature-no { color: var(--rose); font-family: var(--mono); font-size: 19px; font-weight: 700; letter-spacing: 1px; }
.feature-list h3 { margin: 0 0 5px; font-size: 16px; font-weight: 900; }
.feature-list p { margin: 0; max-width: 660px; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* shots */
.shots { padding: 70px 0 76px; }
.shot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.shot-card { margin: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); overflow: hidden; }
.shot-card img { width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; object-position: center 8%; }
.shot-card figcaption { display: flex; align-items: baseline; gap: 8px; padding: 11px 14px 12px; border-top: 1px solid var(--line); }
.shot-card figcaption b { color: var(--rose-soft); font-family: var(--mono); font-size: 10px; }
.shot-card figcaption span { display: flex; flex-direction: column; font-size: 13px; font-weight: 800; line-height: 1.4; }
.shot-card figcaption small { color: var(--muted); font-size: 10.5px; font-weight: 500; }

/* faq */
.faq { padding: 68px 0 74px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.faq-layout { display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); gap: clamp(22px, 3.6vw, 50px); }
.faq-heading { position: sticky; top: calc(var(--header-height) + 24px); 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: 15px; font-weight: 900; }
.faq-list summary i { position: relative; flex: none; width: 21px; height: 21px; 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: 8px; height: 1.5px; content: ""; background: var(--rose-soft); 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: 13px; line-height: 1.85; }

/* reviews */
.reviews { padding: 70px 0 86px; }
.review-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding: 0; margin: 0; list-style: none; }
.review-card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.review-card:nth-child(even) { transform: translateY(20px); }
.review-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 7px; }
.review-meta b { color: var(--rose-soft); font-size: 13px; font-weight: 900; }
.review-meta time { color: #71717A; font-family: var(--mono); font-size: 10px; }
.review-card p { margin: 0; color: #C4C4CB; font-size: 12.8px; line-height: 1.75; }

/* steps */
.steps { padding: 68px 0 74px; border-top: 1px solid var(--line); background: var(--bg-2); }
.step-list { display: grid; gap: 4px; padding: 0; margin: 0; list-style: none; border-right: 1px solid #3F3F46; }
.step-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 64px;
  align-items: center;
  gap: 16px;
  padding: 18px 22px 18px 4px;
}
.step-list li + li { border-top: 1px dashed #2C2C31; }
.step-list span { color: var(--rose); font-family: var(--mono); font-size: 24px; font-weight: 700; text-align: right; }
.step-list h3 { margin: 0 0 4px; font-size: 15.5px; font-weight: 900; }
.step-list p { margin: 0; max-width: 640px; color: var(--muted); font-size: 12.8px; line-height: 1.75; }

/* download */
.download { padding: 26px 0; }
.download-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 26px;
  padding: 42px clamp(22px, 4.6vw, 54px) 40px;
  border: 1px solid #4C1D29;
  border-radius: 12px;
  background:
    radial-gradient(400px 220px at 96% 0%, rgba(225, 29, 72, .32), transparent 72%),
    linear-gradient(120deg, #1C1014, #120F12 78%);
}
.download-copy { min-width: 0; }
.download-copy > p { max-width: 480px; margin: 12px 0 0; color: #C9C9D0; font-size: 13.5px; }
.download .button-primary { background: var(--rose); color: #FFF1F4; }
.download-notes { display: flex; flex-wrap: wrap; gap: 6px 18px; padding: 14px 0 0; margin: 16px 0 0; border-top: 1px solid rgba(225, 29, 72, .24); list-style: none; }
.download-notes li { color: #E7A3B2; font-family: var(--mono); font-size: 10.5px; }
.download-notes li::before { margin-right: 7px; content: "·"; color: var(--rose); }

/* footer */
.site-footer { padding: 40px 0 48px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px 40px; align-items: start; }
.footer-brand strong { font-size: 17px; font-weight: 900; }
.footer-brand p { margin: 3px 0 0; color: var(--muted); font-size: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-nav a { color: #B4B4BB; font-size: 12px; }
.footer-nav a:hover { color: var(--rose-soft); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 20px; 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: #71717A; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 340px); gap: 24px; padding: 52px 0 54px; }
  .feature-list li { grid-template-columns: 64px minmax(0, 1fr); }
  .cover-row { gap: 8px; }
  .cover { padding: 9px 8px; }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 8px 22px 14px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
    box-shadow: 0 16px 26px rgba(0, 0, 0, .6);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav a { padding: 11px 0; border-bottom: 1px solid var(--line); }
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-visual { align-items: stretch; }
  .cat-orb { align-self: center; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
}
@media (max-width: 768px) {
  .feature-list li { grid-template-columns: 52px minmax(0, 1fr); gap: 8px 14px; padding: 17px 2px; }
  .feature-no { font-size: 16px; }
  .shot-grid { gap: 12px; }
  .review-list { grid-template-columns: 1fr; gap: 12px; }
  .review-card:nth-child(even) { transform: none; }
  .download-inner { grid-template-columns: 1fr; gap: 20px; padding: 34px 24px 32px; }
  .download .button { justify-self: start; }
  .step-list li { grid-template-columns: minmax(0, 1fr) 52px; padding: 16px 16px 16px 2px; }
  .step-list span { font-size: 20px; }
}
@media (max-width: 560px) {
  .page-shell, .nav-shell { width: calc(100% - 28px); }
  .hero h1 { font-size: clamp(44px, 13.4vw, 60px); letter-spacing: -1px; }
  .hero-subtitle { font-size: 16px; }
  .hero-lead { font-size: 13.5px; }
  .hero-grid { padding: 40px 0 44px; }
  .section-heading-split { grid-template-columns: 1fr; gap: 8px; }
  .section-heading-split > p:last-child { margin: 0; }
  .shot-grid { grid-template-columns: 1fr; }
  .shot-card img { aspect-ratio: 16 / 11; }
  .feature-list p, .faq-list details p { font-size: 12.5px; }
  .download-notes { gap: 5px 14px; }
  .footer-grid { grid-template-columns: 1fr; }
  .button { width: 100%; }
}
@media (max-width: 380px) {
  .brand { font-size: 16px; gap: 7px; }
  .brand img { width: 28px; height: 28px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 7px; }
  .nav-download { min-height: 33px; padding: 0 8px; font-size: 10.5px; gap: 4px; }
  .nav-download svg { width: 13px; height: 13px; }
  .menu-toggle { width: 33px; height: 33px; }
  .hero h1 { font-size: 40px; }
  .cat-orb { width: 140px; height: 120px; }
  .orb-face b { font-size: 21px; }
  .subtitle-line { font-size: 10px; padding: 8px 11px; }
}