@charset "UTF-8";

:root {
  --bg: #fffafc;
  --bg-2: #fff3f8;
  --panel: #ffffff;
  --pink: #ff6fa5;
  --pink-soft: #ffd9e6;
  --blue: #3a7bd5;
  --ink: #241f2b;
  --muted: #71707f;
  --line: #f2dde7;
  --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;
}
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(--blue); 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 13px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 1.4;
}
.eyebrow::before { width: 16px; height: 3px; content: ""; background: linear-gradient(90deg, var(--pink), var(--blue)); }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 250, 252, .95);
  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: 18px;
}
.brand { display: inline-flex; align-items: center; flex: none; gap: 9px; font-size: 20px; font-weight: 900; letter-spacing: -.3px; }
.brand img { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 10px; object-fit: contain; background: #fff; }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--pink);
  color: #fff;
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
}
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(11px, 1.7vw, 24px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 7px 0; color: #6f6c7d; font-size: 13px; font-weight: 700; border-bottom: 2px solid transparent; }
.primary-nav a:hover { color: var(--blue); border-bottom-color: var(--pink); }
.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-radius: 10px;
  background: linear-gradient(118deg, var(--pink), #ff8fbb);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 0 8px 18px rgba(255, 111, 165, .28);
  transition: transform .18s ease, box-shadow .18s ease;
}
.nav-download:hover { transform: translateY(-1px); box-shadow: 0 12px 22px rgba(255, 111, 165, .34); }
.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 + translation progress + cover strip */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(560px 340px at 88% -8%, rgba(255, 111, 165, .2), transparent 72%),
    radial-gradient(420px 300px at 4% 100%, rgba(58, 123, 213, .12), transparent 70%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  align-items: center;
  gap: clamp(26px, 4.4vw, 62px);
  padding: 62px 0 34px;
}
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.3px;
}
.hero-kicker b {
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--blue);
  color: #fff;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 1.4px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(42px, 5.9vw, 76px);
  font-weight: 900;
  letter-spacing: clamp(-2px, -.35vw, -3px);
  line-height: 1.08;
}
.hero-subtitle {
  margin: 16px 0 0;
  color: var(--pink);
  font-size: clamp(18px, 2.05vw, 24px);
  font-weight: 800;
  line-height: 1.4;
}
.hero-subtitle::after {
  display: block;
  width: 54px;
  height: 4px;
  margin-top: 12px;
  content: "";
  border-radius: 2px;
  background: linear-gradient(90deg, var(--pink), var(--blue));
}
.hero-lead { max-width: 500px; margin: 14px 0 0; color: var(--muted); 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 26px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, box-shadow .18s ease;
}
.button-primary { background: linear-gradient(118deg, var(--pink), var(--blue)); color: #fff; box-shadow: 0 14px 26px rgba(58, 123, 213, .24); }
.button-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 30px rgba(58, 123, 213, .3); }
.button-large { min-height: 54px; padding: 0 32px; font-size: 15px; }
.text-link { color: var(--blue); border-bottom: 1px dashed #b8cbe8; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--pink); }

.progress-card {
  padding: 22px 22px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 20px 40px rgba(58, 123, 213, .12);
}
.progress-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding-bottom: 12px; margin-bottom: 14px; border-bottom: 1px dashed var(--line); }
.progress-head b { font-size: 15px; font-weight: 900; }
.progress-head span { color: var(--muted); font-size: 11px; }
.progress-list { padding: 0; margin: 0; list-style: none; }
.progress-list li + li { margin-top: 16px; }
.progress-row { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; font-size: 12.5px; font-weight: 700; color: #4a4458; }
.progress-row em { color: var(--blue); font-family: var(--mono); font-size: 11.5px; font-style: normal; }
.bar { height: 7px; margin: 7px 0 5px; border-radius: 4px; background: var(--bg-2); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--pink), var(--blue)); }
.progress-list p { margin: 0; color: var(--muted); font-size: 11px; }
.progress-note { margin: 16px 0 0; padding-top: 12px; border-top: 1px dashed var(--line); color: var(--muted); font-size: 11.5px; }

.cover-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  padding: 0 0 44px;
  margin: 0;
  list-style: none;
}
.cover-strip li { border: 1px solid var(--line); border-radius: 10px; background: #fff; overflow: hidden; }
.cover-strip img { width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; object-position: top center; }
.cover-strip span { display: block; padding: 8px 10px 9px; color: var(--muted); font-family: var(--mono); font-size: 11px; }

/* features: two across, number left */
.features { padding: 72px 0 78px; 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(24px, 2.8vw, 34px); font-weight: 900; letter-spacing: -.7px; line-height: 1.32; }
.section-heading > p:last-child { max-width: 640px; margin: 11px 0 0; color: var(--muted); font-size: 14px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(200px, 300px); align-items: end; gap: 24px; }
.section-heading-split > p:last-child { margin: 0 0 5px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.feature-card {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  padding: 22px 22px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}
.feature-no {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--pink-soft), #e6efff);
  color: var(--blue);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}
.feature-card h3 { margin: 0 0 6px; font-size: 16.5px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.8; }

/* shots: two columns, staggered */
.shots { padding: 74px 0 84px; }
.shot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 16px; align-items: start; }
.shot-card { margin: 0; border: 1px solid var(--line); border-radius: 14px; background: #fff; overflow: hidden; }
.shot-card:nth-child(even) { margin-top: 34px; }
.shot-card img { width: 100%; height: auto; aspect-ratio: 3 / 4.4; object-fit: cover; object-position: top center; }
.shot-card figcaption { display: flex; align-items: baseline; gap: 10px; padding: 12px 15px 14px; border-top: 1px solid var(--line); }
.shot-card figcaption b { color: var(--pink); font-family: var(--mono); font-size: 10px; }
.shot-card figcaption span { display: flex; flex-direction: column; font-size: 13.5px; font-weight: 800; line-height: 1.4; }
.shot-card figcaption small { color: var(--muted); font-size: 11px; font-weight: 500; }

/* faq */
.faq { padding: 72px 0 78px; border-top: 1px solid var(--line); background: var(--bg-2); }
.faq-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(26px, 4vw, 52px); }
.faq-heading { position: sticky; top: calc(var(--header-height) + 26px); align-self: start; }
.faq-list { display: grid; gap: 10px; }
.faq-list details { border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary h3 { margin: 0; font-size: 14.5px; font-weight: 900; }
.faq-list summary i { position: relative; flex: none; width: 22px; height: 22px; border-radius: 7px; background: var(--bg-2); }
.faq-list summary i::before,
.faq-list summary i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 1.6px;
  content: "";
  background: var(--pink);
  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 18px 16px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }

/* reviews: single rows with avatar */
.reviews { padding: 74px 0 82px; }
.review-list { display: grid; gap: 10px; padding: 0; margin: 0; list-style: none; }
.review-card { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.review-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-2);
  color: var(--pink);
  font-size: 14px;
  font-weight: 900;
}
.review-meta { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.review-meta b { color: var(--blue); font-size: 13px; font-weight: 900; }
.review-meta time { color: #a9a4b4; font-family: var(--mono); font-size: 9.5px; }
.review-card p { margin: 0; color: #5f5b6b; font-size: 12.5px; line-height: 1.78; }

/* steps: three columns with dots */
.steps { padding: 70px 0 76px; border-top: 1px solid var(--line); background: var(--bg-2); }
.step-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding: 0; margin: 0; list-style: none; counter-reset: step; }
.step-list li { position: relative; padding: 22px 20px 20px; border-radius: 14px; background: #fff; border: 1px solid var(--line); }
.step-list h3 { margin: 0 0 7px; font-size: 16px; font-weight: 900; }
.step-list h3 span {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 7px;
  border-radius: 6px;
  background: var(--bg-2);
  color: var(--pink);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
}
.step-list p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.8; }

/* download: split */
.download { padding: 30px 0 42px; }
.download-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, .85fr);
  align-items: center;
  gap: 26px;
  padding: 44px clamp(24px, 4.6vw, 52px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    radial-gradient(400px 220px at 92% 8%, rgba(255, 111, 165, .18), transparent 70%),
    linear-gradient(120deg, #fff, #fdf2f7 60%, #eef4ff);
}
.download h2 { max-width: 560px; }
.download-inner > div > p { max-width: 480px; margin: 11px 0 0; color: var(--muted); font-size: 13.5px; }
.download-side { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.download-notes { display: flex; flex-direction: column; gap: 7px; padding: 0; margin: 0; 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(--pink); }

/* 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: 3px 0 0; color: var(--muted); font-size: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer-nav a { color: var(--muted); font-size: 12px; }
.footer-nav a:hover { color: var(--blue); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; 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: #a29dae; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1024px) {
  .hero h1 { font-size: clamp(38px, 5.2vw, 58px); }
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(300px, .9fr); }
  .download-inner { grid-template-columns: 1fr; gap: 20px; }
}
@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 14px 24px rgba(58, 123, 213, .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); }
  .hero-grid { grid-template-columns: 1fr; padding: 44px 0 28px; }
  .progress-card { max-width: 460px; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
  .step-list { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .nav-shell { gap: 8px; }
  .brand { font-size: 17px; gap: 6px; }
  .brand img { width: 32px; height: 32px; }
  .nav-download { min-height: 38px; padding: 0 10px; font-size: 11px; gap: 4px; }
  .nav-download svg { width: 14px; height: 14px; }
  .menu-toggle { width: 38px; height: 38px; }
  .hero h1 { font-size: clamp(34px, 10.6vw, 46px); }
  .cover-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-bottom: 34px; }
  .shot-card:nth-child(even) { margin-top: 0; }
  .shot-grid { grid-template-columns: 1fr; }
  .section-heading-split { grid-template-columns: 1fr; gap: 8px; }
  .section-heading-split > p:last-child { margin: 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .download .button { width: 100%; }
}
@media (max-width: 380px) {
  .brand { font-size: 16px; gap: 6px; }
  .brand img { width: 30px; height: 30px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 8px; }
  .nav-download { min-height: 34px; padding: 0 9px; font-size: 10.5px; gap: 5px; }
  .nav-download svg { width: 14px; height: 14px; }
  .menu-toggle { width: 34px; height: 34px; }
  .hero h1 { font-size: 31px; }
  .hero-subtitle { font-size: 16px; }
  .progress-card { padding: 16px 14px 14px; }
  .feature-card { grid-template-columns: 36px minmax(0, 1fr); gap: 11px; padding: 18px 15px; }
  .feature-no { width: 34px; height: 34px; font-size: 11px; }
  .review-card { grid-template-columns: 32px minmax(0, 1fr); gap: 10px; padding: 14px; }
  .review-avatar { width: 30px; height: 30px; font-size: 12px; }
}