@charset "UTF-8";

:root {
  --bg: #ffffff;
  --bg-2: #f7f5f3;
  --panel: #ffffff;
  --line: #e3dde2;
  --ink: #17151a;
  --muted: #6c6670;
  --magenta: #e6007e;
  --cyan: #00a6a6;
  --yellow: #f5c518;
  --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(--cyan); 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(--magenta);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.4px;
  line-height: 1.4;
}
.eyebrow::before { width: 16px; height: 3px; content: ""; background: linear-gradient(90deg, var(--magenta) 0 50%, var(--cyan) 50% 100%); }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .95);
  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: 21px; font-weight: 900; letter-spacing: -.4px; }
.brand img { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 9px; object-fit: contain; background: #fff; }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 19px;
  height: 19px;
  border-radius: 3px;
  background: var(--cyan);
  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: #4c4650; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--magenta); 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 var(--magenta);
  border-radius: 3px;
  background: var(--magenta);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: transparent; color: var(--magenta); }
.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: 3px; 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: print proof sheet */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(0, 166, 166, .07) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, #fdfcfa 0%, #fff 100%);
  background-size: 84px 84px, 100% 100%;
}
.hero::before,
.hero::after {
  position: absolute;
  width: 54px;
  height: 54px;
  content: "";
  border: 1px solid rgba(230, 0, 126, .4);
  border-radius: 50%;
  pointer-events: none;
}
.hero::before { top: 34px; left: 22px; }
.hero::after { right: 22px; bottom: 118px; border-color: rgba(0, 166, 166, .45); }
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(260px, .98fr);
  align-items: center;
  gap: clamp(22px, 3.4vw, 52px);
  padding: 56px 0 26px;
}
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: #5b545e;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.4px;
}
.hero-kicker b {
  padding: 3px 8px;
  border-radius: 2px;
  background: var(--ink);
  color: #fff;
  font-size: 9.5px;
  font-weight: 900;
  letter-spacing: 1.6px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(56px, 7.8vw, 104px);
  font-weight: 900;
  letter-spacing: clamp(-2px, -.5vw, -5px);
  line-height: .94;
}
.hero-subtitle {
  margin: 18px 0 0;
  color: var(--magenta);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 800;
  line-height: 1.4;
}
.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: 18px; margin-top: 26px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  gap: 14px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button-primary { background: var(--magenta); color: #fff; box-shadow: 0 12px 26px rgba(230, 0, 126, .22); }
.button-primary:hover { background: #c70070; transform: translateY(-2px); }
.button-large { min-height: 54px; padding: 0 32px; font-size: 15px; }
.text-link { color: #4c4650; border-bottom: 1px dashed #b9b0ba; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--cyan); }

.hero-poster {
  position: relative;
  justify-self: end;
  width: min(100%, 380px);
  margin: 0;
  aspect-ratio: 1 / 1;
}
.ink-stack { position: absolute; inset: 0; }
.ink-card {
  position: absolute;
  display: block;
  width: 54%;
  border: 1px solid rgba(23, 21, 26, .14);
  background: #fff;
  box-shadow: 0 18px 34px rgba(23, 21, 26, .16);
  overflow: hidden;
}
.ink-card img { width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; object-position: center 24%; }
.ink-card::after { position: absolute; inset: 0; content: ""; mix-blend-mode: multiply; opacity: .5; }
.ink-a { top: 8%; left: 2%; transform: rotate(-4deg); z-index: 1; }
.ink-a::after { background: var(--cyan); }
.ink-b { top: 17%; left: 23%; transform: rotate(2deg); z-index: 2; }
.ink-b::after { background: rgba(245, 197, 24, .55); }
.ink-c { top: 4%; left: 44%; transform: rotate(6deg); z-index: 3; }
.ink-c::after { background: rgba(230, 0, 126, .42); }
.hero-badge {
  position: absolute;
  left: 0;
  bottom: 2%;
  z-index: 4;
  padding: 8px 12px 9px;
  border: 1px solid var(--ink);
  background: #fff;
  box-shadow: 5px 5px 0 var(--yellow);
}
.hero-badge b { display: block; color: var(--magenta); font-family: var(--mono); font-size: 11px; letter-spacing: .6px; line-height: 1.5; }
.hero-badge span { display: block; color: #5b545e; font-size: 11px; }

.week-strip {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  padding: 0 0 34px;
  margin: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-bottom: 0;
}
.week-strip li { padding: 13px 14px 12px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.week-strip li:last-child { border-right: 0; }
.week-strip b { display: block; font-family: var(--mono); font-size: 13px; font-weight: 900; line-height: 1.4; }
.week-strip span { display: block; margin-top: 2px; color: #8b838d; font-size: 11px; }
.week-strip li:nth-child(1) { box-shadow: inset 0 4px 0 var(--cyan); }
.week-strip li:nth-child(2) { box-shadow: inset 0 4px 0 var(--magenta); }
.week-strip li:nth-child(3) { box-shadow: inset 0 4px 0 var(--yellow); }
.week-strip li:nth-child(4) { box-shadow: inset 0 4px 0 var(--ink); }
.week-strip .is-today { background: #fff4fa; }

/* features: 4 across */
.features { padding: 72px 0 78px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.section-heading { margin-bottom: 32px; }
.section-heading h2, .download h2 { margin: 0; font-size: clamp(25px, 2.9vw, 36px); font-weight: 900; letter-spacing: -.9px; line-height: 1.3; }
.section-heading > p:last-child { max-width: 620px; 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: 2px solid var(--ink); }
.feature-card { padding: 24px 20px 26px; border-right: 1px solid var(--line); background: var(--panel); }
.feature-card:last-child { border-right: 0; }
.feature-no { display: block; margin-bottom: 12px; color: var(--magenta); font-family: var(--mono); font-size: 12px; 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: 13px; line-height: 1.8; }

/* shots: 2x2 samples */
.shots { padding: 72px 0 82px; }
.sample-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.sample-card {
  display: flex;
  flex-direction: column;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}
.sample-card img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; object-position: center 20%; }
.sample-card figcaption { display: flex; align-items: baseline; gap: 10px; padding: 11px 16px 12px; border-top: 1px solid var(--line); }
.sample-card figcaption b { flex: none; color: var(--magenta); font-family: var(--mono); font-size: 11px; letter-spacing: 1px; }
.sample-card figcaption span { display: flex; flex-direction: column; font-size: 15px; font-weight: 900; line-height: 1.4; }
.sample-card figcaption small { margin-top: 2px; color: var(--muted); font-size: 11px; font-weight: 500; }

/* faq */
.faq { padding: 70px 0 78px; border-top: 1px solid var(--line); background: var(--bg-2); }
.faq-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; }
.faq-heading { max-width: 720px; }
.faq-list { border-top: 1px solid var(--ink); }
.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: 22px; height: 22px; border: 1px solid var(--line); background: #fff; }
.faq-list summary i::before,
.faq-list summary i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 1.5px;
  content: "";
  background: var(--magenta);
  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 { max-width: 860px; padding: 0 30px 17px 0; margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.85; }

/* reviews: 2 columns */
.reviews { padding: 72px 0 80px; }
.review-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding: 0; margin: 0; list-style: none; }
.review-card { padding: 18px 20px; border: 1px solid var(--line); background: var(--panel); }
.review-meta { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 6px; padding-bottom: 8px; margin-bottom: 8px; border-bottom: 1px dashed var(--line); }
.review-meta b { color: var(--cyan); font-size: 13px; font-weight: 900; }
.review-meta time { color: #948c96; font-family: var(--mono); font-size: 10px; }
.review-card p { margin: 0; color: #4c4650; font-size: 13px; line-height: 1.8; }

/* steps: vertical rows */
.steps { padding: 70px 0 76px; border-top: 1px solid var(--line); background: var(--bg-2); }
.step-list { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.step-list li { display: grid; grid-template-columns: 72px minmax(0, 1fr); align-items: start; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.step-list li > span { color: var(--magenta); font-family: var(--mono); font-size: 26px; font-weight: 700; line-height: 1.2; }
.step-list h3 { margin: 0 0 4px; font-size: 17px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.8; }

/* download: split */
.download { padding: 70px 0 78px; }
.download-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  padding: 44px clamp(22px, 4vw, 52px);
  border: 1px solid var(--ink);
  background:
    linear-gradient(90deg, rgba(230, 0, 126, .06), transparent 42%),
    #fff;
  box-shadow: 8px 8px 0 rgba(0, 166, 166, .16);
}
.download-copy { min-width: 0; }
.download h2 { max-width: 560px; }
.download-inner > .download-copy > p:not(.eyebrow) { margin: 12px 0 0; color: var(--muted); font-size: 14px; }
.download .button-primary { background: var(--magenta); color: #fff; }
.download-notes { display: flex; flex-wrap: wrap; gap: 6px 20px; padding: 16px 0 0; margin: 18px 0 0; border-top: 1px solid var(--line); list-style: none; }
.download-notes li { color: #5b545e; font-family: var(--mono); font-size: 11px; }
.download-notes li::before { margin-right: 7px; color: var(--cyan); content: "◆"; }

/* 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: #4c4650; font-size: 12px; }
.footer-nav a:hover { color: var(--magenta); }
.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: #8b838d; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) 300px; gap: 24px; }
  .feature-card { padding: 22px 16px 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: #fff;
    box-shadow: 0 16px 26px rgba(23, 21, 26, .12);
  }
  .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; }
  .hero-poster { justify-self: start; width: min(340px, 88%); margin-top: 6px; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-card { border-bottom: 1px solid var(--line); }
  .feature-card:nth-child(2n) { border-right: 0; }
  .review-list { grid-template-columns: 1fr; }
  .download-inner { grid-template-columns: 1fr; }
  .download .button { width: 100%; }
}
@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; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { border-right: 0; }
  .week-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-bottom: 26px; }
  .week-strip li:nth-child(2n) { border-right: 0; }
  .section-heading-split { grid-template-columns: 1fr; gap: 8px; }
  .section-heading-split > p:last-child { margin: 0; }
  .step-list li { grid-template-columns: 52px minmax(0, 1fr); gap: 12px; }
  .footer-grid { grid-template-columns: 1fr; }
  .download-inner { box-shadow: 5px 5px 0 rgba(0, 166, 166, .16); }
}
@media (max-width: 480px) {
  .brand { font-size: 18px; gap: 8px; }
  .brand img { width: 32px; height: 32px; }
  .nav-download { min-height: 36px; padding: 0 11px; font-size: 11.5px; gap: 6px; }
  .nav-download svg { width: 15px; height: 15px; }
  .menu-toggle { width: 36px; height: 36px; }
}
@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: 45px; }
  .hero-subtitle { font-size: 16px; }
  .button { width: 100%; }
  .hero-poster { width: 96%; }
  .hero-badge { left: 0; padding: 6px 9px 7px; }
  .download-notes li { font-size: 10.5px; }
}