@charset "UTF-8";

:root {
  --bg: #fffafd;
  --bg-2: #fff2f8;
  --panel: #ffffff;
  --line: #ffd9ec;
  --ink: #2a1b25;
  --muted: #7d6472;
  --pink: #ff8ac4;
  --pink-deep: #e9639f;
  --cyan: #58d6e8;
  --cyan-deep: #2ba8bb;
  --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) + 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(--pink); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 44px), var(--shell)); margin: 0 auto; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  color: var(--pink-deep);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.2px;
  line-height: 1.4;
}
.eyebrow::before { width: 14px; height: 2px; content: ""; background: var(--cyan); }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 2px dashed var(--line);
  background: rgba(255, 250, 253, .96);
  backdrop-filter: blur(10px);
}
.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: 9px; font-size: 21px; font-weight: 900; letter-spacing: -.3px; }
.brand img { width: 36px; height: 36px; border: 2px solid var(--pink); border-radius: 12px; object-fit: contain; background: #fff; }
.brand-star { color: var(--cyan); font-size: 13px; font-style: normal; transform: translateY(-6px); }
.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: 2px solid transparent; color: #71586a; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--pink); 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: 40px;
  gap: 7px;
  padding: 0 17px;
  border: 2px solid var(--ink);
  border-radius: 12px;
  background: var(--pink);
  color: #2a1b25;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .14s ease, box-shadow .14s ease;
}
.nav-download:hover { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.nav-download svg, .button svg { width: 17px; height: 17px; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 0; border: 2px solid var(--ink); border-radius: 11px; background: #fff; box-shadow: 2px 2px 0 var(--ink); cursor: pointer; }
.menu-toggle span { display: block; width: 16px; 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: sticker wall */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 2px dashed var(--line);
  background:
    radial-gradient(520px 380px at 88% 6%, rgba(88, 214, 232, .2), transparent 70%),
    radial-gradient(480px 340px at 4% 86%, rgba(255, 138, 196, .18), transparent 72%),
    repeating-linear-gradient(45deg, rgba(255, 138, 196, .06) 0 2px, transparent 2px 16px),
    var(--bg);
}
.hero-doodles i {
  position: absolute;
  color: var(--pink);
  font-size: 22px;
  font-style: normal;
  opacity: .55;
}
.hero-doodles i:nth-child(1) { top: 12%; right: 6%; }
.hero-doodles i:nth-child(2) { top: 62%; right: 44%; color: var(--cyan); font-size: 16px; }
.hero-doodles i:nth-child(3) { bottom: 12%; right: 12%; color: var(--cyan-deep); font-size: 18px; }
.hero-doodles i:nth-child(4) { top: 26%; left: 4%; font-size: 15px; }
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, .92fr);
  align-items: center;
  gap: clamp(20px, 3.4vw, 46px);
  padding: 52px 0 26px;
}
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 5px 12px;
  margin: 0 0 16px;
  border: 1.5px dashed var(--pink);
  border-radius: 999px;
  background: #fff;
  color: #8a6478;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 1.2px;
}
.hero-kicker b { color: var(--pink-deep); font-size: 9.5px; font-weight: 900; letter-spacing: 1.1px; }
.hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(54px, 7.6vw, 94px);
  font-weight: 900;
  letter-spacing: clamp(-2px, -.4vw, -4px);
  line-height: 1;
  text-shadow: 4px 4px 0 rgba(255, 138, 196, .55);
}
.hero-subtitle {
  margin: 16px 0 0;
  color: var(--pink-deep);
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 800;
  line-height: 1.4;
}
.hero-lead { max-width: 480px; margin: 11px 0 0; color: var(--muted); font-size: 14.5px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 24px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  gap: 12px;
  padding: 0 26px;
  border: 2px solid var(--ink);
  border-radius: 13px;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .14s ease, box-shadow .14s ease, background .14s ease;
}
.button-primary { background: var(--pink); color: #2a1b25; }
.button-primary:hover { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); background: #ffa3d2; }
.button-large { min-height: 52px; padding: 0 32px; font-size: 15px; }
.text-link { color: #6c5162; border-bottom: 2px dotted var(--cyan); font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--pink-deep); }

.sticker-wall { position: relative; min-height: clamp(360px, 40vw, 470px); }
.sticker {
  position: absolute;
  padding: 7px;
  border: 5px solid #fff;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 14px 30px rgba(201, 96, 145, .22);
}
.sticker img { width: 100%; height: auto; aspect-ratio: 5 / 9; object-fit: cover; object-position: center 2%; border-radius: 9px; }
.sticker-a { top: 0; left: 4%; width: 58%; transform: rotate(-6deg); }
.sticker-b {
  bottom: -2px;
  left: -2%;
  width: 50%;
  padding: 16px 15px 15px;
  background: linear-gradient(160deg, #fff 62%, #fff0f7);
  transform: rotate(4deg);
}
.sticker-c {
  top: 26%;
  right: 0;
  width: 38%;
  padding: 14px 13px 15px;
  background: linear-gradient(160deg, #f2fdff, #fff);
  transform: rotate(9deg);
}
.sticker-pin {
  position: absolute;
  top: -11px;
  left: 50%;
  width: 30px;
  height: 11px;
  border-radius: 2px;
  background: rgba(88, 214, 232, .55);
  transform: translateX(-50%) rotate(-2deg);
}
.sticker-b b, .sticker-c b { display: block; font-size: 15px; font-weight: 900; }
.sticker-b small, .sticker-c small { display: block; color: var(--muted); font-size: 10.5px; }
.sticker-b p { margin: 8px 0 0; color: #54323f; font-size: 12.5px; font-weight: 700; }
.sticker-tag {
  display: inline-block;
  padding: 1px 8px;
  margin-top: 9px;
  border-radius: 999px;
  background: var(--pink);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
}
.sticker-heart { display: block; margin-top: 8px; color: var(--pink); font-size: 20px; line-height: 1; }

.bubble-dots {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  margin: 0 0 32px;
  border: 1.5px dashed var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, .8);
}
.bd { width: 9px; height: 9px; border-radius: 50%; background: var(--pink); }
.bd-2 { background: #ffb2d6; }
.bd-3 { background: var(--cyan); }
.bd-4 { background: #ffb2d6; }
.bd-5 { background: var(--pink); }
.bd-txt { color: #a98a9a; font-family: var(--mono); font-size: 10px; letter-spacing: 1px; }

/* features: rotated sticker cards */
.features { padding: 70px 0 78px; border-bottom: 2px dashed 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: -.8px; line-height: 1.3; }
.section-heading > p:last-child { max-width: 590px; margin: 10px 0 0; color: var(--muted); font-size: 14px; }
.section-heading-split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(190px, 290px); align-items: end; gap: 24px; }
.section-heading-split > p:last-child { margin: 0 0 4px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 20px; }
.feature-card {
  position: relative;
  padding: 22px 20px 20px;
  border: 2px solid var(--ink);
  border-radius: 16px;
  background: #fff;
  box-shadow: 5px 5px 0 rgba(88, 214, 232, .55);
}
.feature-card:nth-child(1) { transform: rotate(-1.2deg); }
.feature-card:nth-child(2) { transform: rotate(1deg); }
.feature-card:nth-child(3) { transform: rotate(.8deg); }
.feature-card:nth-child(4) { transform: rotate(-1deg); }
.feature-card::before {
  position: absolute;
  top: -11px;
  left: 18px;
  width: 40px;
  height: 12px;
  content: "";
  background: rgba(255, 138, 196, .5);
  transform: rotate(-3deg);
}
.feature-no {
  display: inline-block;
  padding: 1px 8px;
  margin-bottom: 8px;
  border-radius: 999px;
  background: var(--cyan);
  color: #12424a;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
}
.feature-card h3 { margin: 0 0 5px; font-size: 16px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.8; }

/* shots: polaroid */
.shots { padding: 72px 0 84px; }
.shot-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: start; }
.shot-card {
  margin: 0;
  padding: 9px 9px 0;
  border: 1px solid #f0d7e4;
  background: #fff;
  box-shadow: 0 12px 26px rgba(180, 110, 145, .14);
  transform: rotate(-2deg);
}
.shot-card:nth-child(2) { transform: rotate(1.5deg) translateY(14px); }
.shot-card:nth-child(3) { transform: rotate(-1deg); }
.shot-card img { width: 100%; height: auto; aspect-ratio: 5 / 8; object-fit: cover; object-position: center 2%; }
.shot-card figcaption { display: flex; align-items: baseline; gap: 8px; padding: 11px 3px 14px; }
.shot-card figcaption b { color: var(--pink-deep); font-size: 12px; font-weight: 900; }
.shot-card figcaption span { color: #8a6f7e; font-size: 11px; line-height: 1.5; }

/* faq */
.faq { padding: 70px 0 76px; border-top: 2px dashed var(--line); background: var(--bg-2); }
.faq-layout { display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); gap: clamp(22px, 4vw, 50px); }
.faq-heading { position: sticky; top: calc(var(--header-height) + 24px); align-self: start; }
.faq-list { border: 2px solid var(--ink); border-radius: 16px; background: #fff; padding: 4px 20px; box-shadow: 5px 5px 0 rgba(255, 138, 196, .35); }
.faq-list details { border-bottom: 1px dashed var(--line); }
.faq-list details:last-child { border-bottom: 0; }
.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: 22px; height: 22px; border: 2px solid var(--ink); border-radius: 50%; background: var(--cyan); }
.faq-list summary i::before,
.faq-list summary i::after { position: absolute; top: 50%; left: 50%; width: 9px; height: 2px; content: ""; background: var(--ink); 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: two staggered columns */
.reviews { padding: 72px 0 78px; }
.review-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; padding: 0; margin: 0; list-style: none; }
.review-card {
  position: relative;
  padding: 20px 18px 17px;
  border: 1px solid #f0d7e4;
  border-radius: 4px 14px 14px 14px;
  background: #fff;
  box-shadow: 0 10px 22px rgba(180, 110, 145, .1);
}
.review-card:nth-child(even) { transform: translateY(26px); background: #fcfeff; border-color: #d8f2f7; }
.review-card::before {
  position: absolute;
  top: -8px;
  left: 22px;
  width: 34px;
  height: 10px;
  content: "";
  background: rgba(88, 214, 232, .45);
  transform: rotate(-3deg);
}
.review-meta { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 4px 12px; margin-bottom: 6px; }
.review-meta b { color: var(--pink-deep); font-size: 13px; font-weight: 900; }
.review-meta time { color: #b097a4; font-family: var(--mono); font-size: 9.5px; }
.review-card p { margin: 0; color: #5c4452; font-size: 13px; line-height: 1.8; }

/* steps */
.steps { padding: 68px 0 76px; border-top: 2px dashed var(--line); background: var(--bg-2); }
.step-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; padding: 0; margin: 0; list-style: none; counter-reset: step; }
.step-list li {
  position: relative;
  padding: 22px 18px 18px;
  border: 2px solid var(--ink);
  border-radius: 20px 20px 20px 6px;
  background: #fff;
  box-shadow: 4px 4px 0 rgba(88, 214, 232, .5);
}
.step-list li::after { position: absolute; top: 50%; right: -14px; content: "✦"; color: var(--pink); font-size: 13px; }
.step-list li:last-child::after { display: none; }
.step-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 8px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--pink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
}
.step-list h3 { margin: 0 0 4px; font-size: 16px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.8; }

/* download */
.download { padding: 72px 0 76px; }
.download-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 38px clamp(20px, 5vw, 56px) 32px;
  border: 2px solid var(--ink);
  border-radius: 22px;
  background:
    radial-gradient(300px 180px at 86% 4%, rgba(88, 214, 232, .3), transparent 70%),
    radial-gradient(280px 170px at 10% 96%, rgba(255, 138, 196, .3), transparent 70%),
    #fff;
  box-shadow: 7px 7px 0 rgba(255, 138, 196, .5);
  text-align: center;
}
.download h2 { color: var(--ink); }
.download-inner > p:nth-of-type(2) { max-width: 520px; margin: 10px 0 22px; color: var(--muted); font-size: 13.5px; }
.download-notes { display: flex; flex-wrap: wrap; justify-content: center; gap: 7px 16px; padding: 16px 0 0; margin: 22px 0 0; border-top: 1px dashed var(--line); list-style: none; width: 100%; }
.download-notes li { color: #9c8090; font-family: var(--mono); font-size: 10.5px; }
.download-notes li::before { margin-right: 5px; content: "✿"; color: var(--pink); }

/* footer */
.site-footer { padding: 40px 0 50px; border-top: 2px dashed var(--line); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px 36px; 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 20px; }
.footer-nav a { color: #6c5162; font-size: 12px; }
.footer-nav a:hover { color: var(--pink-deep); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 20px; padding-top: 16px; border-top: 1px dashed 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: #9c8090; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@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: 2px dashed var(--line);
    background: #fff;
    box-shadow: 0 14px 24px rgba(180, 110, 145, .16);
  }
  .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 dashed var(--line); }
  .hero-grid { grid-template-columns: 1fr; padding: 42px 0 20px; }
  .sticker-wall { min-height: clamp(340px, 62vw, 430px); width: min(100%, 430px); margin-top: 8px; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
  .review-list { grid-template-columns: 1fr; gap: 14px; }
  .review-card:nth-child(even) { transform: none; }
  .step-list { grid-template-columns: 1fr; }
  .step-list li::after { display: none; }
}
@media (max-width: 600px) {
  .page-shell, .nav-shell { width: calc(100% - 30px); }
  .hero h1 { font-size: clamp(44px, 15vw, 62px); }
  .feature-grid { grid-template-columns: 1fr; gap: 18px; }
  .section-heading-split { grid-template-columns: 1fr; gap: 8px; }
  .section-heading-split > p:last-child { margin: 0; }
  .shot-row { grid-auto-flow: column; grid-auto-columns: 76%; grid-template-columns: none; gap: 12px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
  .shot-card { scroll-snap-align: start; }
  .shot-card, .shot-card:nth-child(2), .shot-card:nth-child(3) { transform: none; }
  .faq-list { padding: 4px 14px; }
  .sticker-wall { min-height: 330px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  .brand { font-size: 17px; gap: 6px; }
  .brand img { width: 30px; height: 30px; }
  .nav-actions { gap: 7px; }
  .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%; }
  .sticker-wall { min-height: 292px; }
  .sticker-b p { font-size: 11.5px; }
  .download-notes li { font-size: 10px; }
}