@charset "UTF-8";

:root {
  --bg: #fff6ec;
  --bg-2: #fbeadb;
  --panel: #fffdfa;
  --line: #e9d2bd;
  --ink: #35211a;
  --muted: #7d6252;
  --orange: #f2994a;
  --brown: #6b4423;
  --brown-deep: #4a2d18;
  --shell: 1180px;
  --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(--brown); 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(--brown);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.4px;
  line-height: 1.4;
}
.eyebrow::before { width: 16px; height: 2px; content: ""; background: var(--orange); }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 246, 236, .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: 20px;
}
.brand { display: inline-flex; align-items: center; flex: none; gap: 10px; color: var(--brown-deep); font-size: 20px; font-weight: 900; letter-spacing: .2px; }
.brand img { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 12px; object-fit: contain; background: #fff; }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: var(--orange);
  color: #3a2211;
  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: #6f5342; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--orange); color: var(--brown-deep); }
.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(--orange);
  border-radius: 14px;
  background: var(--orange);
  color: #3a2211;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: transparent; color: var(--brown); }
.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: 12px; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 18px; height: 2px; margin: 5px auto; background: var(--brown-deep); 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: rounded ears card + left copy + right chat window */
.hero {
  position: relative;
  overflow: hidden;
  padding: 66px 0 0;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(520px 320px at 82% 10%, rgba(242, 153, 74, .28), transparent 72%),
    radial-gradient(420px 280px at 8% 88%, rgba(107, 68, 35, .1), transparent 70%),
    linear-gradient(180deg, #fff3e4 0%, var(--bg) 100%);
}
.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: radial-gradient(rgba(107, 68, 35, .16) 1.5px, transparent 1.6px);
  background-size: 38px 38px;
  opacity: .5;
  mask-image: linear-gradient(180deg, #000, transparent 82%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(260px, .88fr);
  align-items: center;
  gap: clamp(34px, 5vw, 64px);
  padding-bottom: 30px;
}
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: #7a5a44;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.6px;
}
.hero-kicker b {
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--brown);
  color: #ffe9d2;
  font-size: 9.5px;
  font-weight: 900;
  letter-spacing: 1.2px;
}
.hero h1 {
  margin: 0;
  color: var(--brown-deep);
  font-size: clamp(44px, 7vw, 88px);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: .98;
}
.hero-subtitle {
  margin: 18px 0 0;
  color: var(--brown);
  font-size: clamp(18px, 2.1vw, 24px);
  font-weight: 800;
  line-height: 1.4;
}
.hero-lead { max-width: 500px; margin: 12px 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 28px;
  border: 1px solid transparent;
  border-radius: 15px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button-primary { background: var(--orange); color: #3a2211; box-shadow: 0 12px 26px rgba(242, 153, 74, .32); }
.button-primary:hover { background: #f8ad68; transform: translateY(-2px); }
.button-large { min-height: 54px; padding: 0 34px; font-size: 15px; }
.text-link { color: #6d5140; border-bottom: 1px dashed #c9a684; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--brown); }

.hero-card {
  position: relative;
  justify-self: end;
  width: min(100%, 316px);
  margin: 26px 0 0;
  padding: 12px;
  border: 2px solid var(--brown-deep);
  border-radius: 34px;
  background: var(--panel);
  box-shadow: 0 24px 46px rgba(74, 45, 24, .22);
  transform: rotate(1.4deg);
}
.hero-card::before,
.hero-card::after {
  position: absolute;
  top: -30px;
  width: 78px;
  height: 66px;
  border: 2px solid var(--brown-deep);
  border-radius: 50% 50% 10px 10px;
  content: "";
  background: var(--orange);
  z-index: -1;
}
.hero-card::before { left: 8%; transform: rotate(-16deg); }
.hero-card::after { right: 8%; transform: rotate(16deg); }
.hero-window { overflow: hidden; border-radius: 22px; border: 1px solid var(--line); background: #1e1b1a; }
.window-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: #2a2320;
  color: #f4e3d4;
  font-size: 11px;
}
.window-bar b { font-weight: 800; letter-spacing: .3px; }
.window-bar span { color: var(--orange); font-size: 15px; line-height: 1; }
.window-bar i { margin-left: auto; color: #b9a392; font-family: var(--mono); font-size: 9.5px; font-style: normal; }
.hero-window img { width: 100%; height: auto; aspect-ratio: 9 / 16; object-fit: cover; object-position: center 22%; }
.hero-card figcaption { padding: 11px 6px 3px; color: #80604b; font-size: 11px; text-align: center; }

.paw-strip {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 20px 0 30px;
  margin: 0;
  list-style: none;
  border-top: 1px dashed #dcc0a6;
}
.paw {
  position: relative;
  width: 34px;
  height: 28px;
  opacity: .55;
  background:
    radial-gradient(circle at 50% 78%, var(--brown) 0 7px, transparent 7.5px),
    radial-gradient(circle at 16% 34%, var(--brown) 0 4px, transparent 4.5px),
    radial-gradient(circle at 38% 18%, var(--brown) 0 4px, transparent 4.5px),
    radial-gradient(circle at 62% 18%, var(--brown) 0 4px, transparent 4.5px),
    radial-gradient(circle at 84% 34%, var(--brown) 0 4px, transparent 4.5px);
}
.paw.is-lit { opacity: 1; filter: drop-shadow(0 4px 8px rgba(242, 153, 74, .5)); }
.paw.is-lit::after {
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(242, 153, 74, .55);
  border-radius: 50%;
  content: "";
}
.paw-note { margin-left: auto; color: #8a6a55; font-family: var(--mono); font-size: 11px; letter-spacing: .6px; }

/* features: horizontal rows */
.features { padding: 76px 0 82px; 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: -.6px; 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(210px, 300px); align-items: end; gap: 28px; }
.section-heading-split > p:last-child { margin: 0 0 5px; }
.feature-rows { border-top: 1px solid var(--line); }
.feature-row {
  display: grid;
  grid-template-columns: 70px 150px minmax(0, 1fr);
  align-items: baseline;
  gap: 20px;
  padding: 22px 8px 22px 0;
  border-bottom: 1px solid var(--line);
  transition: background .18s ease, padding-left .18s ease;
}
.feature-row:hover { padding-left: 12px; background: rgba(242, 153, 74, .09); }
.feature-no { color: var(--orange); font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 1.4px; }
.feature-row h3 { margin: 0; font-size: 18px; font-weight: 900; }
.feature-row p { margin: 0; color: var(--muted); font-size: 13.2px; line-height: 1.8; }

/* shots: four across */
.shots { padding: 76px 0 84px; }
.shot-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; align-items: start; }
.shot-card { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); box-shadow: 0 10px 24px rgba(107, 68, 35, .07); }
.shot-card img { width: 100%; height: auto; aspect-ratio: 9 / 16; object-fit: cover; object-position: center top; }
.shot-card figcaption { padding: 11px 13px 13px; border-top: 1px solid var(--line); }
.shot-card figcaption b { display: block; color: var(--orange); font-family: var(--mono); font-size: 9.5px; letter-spacing: 1px; }
.shot-card figcaption span { display: block; margin-top: 3px; color: var(--brown-deep); font-size: 13.5px; font-weight: 800; line-height: 1.4; }
.shot-card figcaption small { display: block; color: var(--muted); font-size: 10.5px; font-weight: 400; }

/* faq */
.faq { padding: 74px 0 80px; border-top: 1px solid var(--line); background: var(--bg-2); }
.faq-layout { display: grid; grid-template-columns: minmax(0, .78fr) minmax(0, 1.22fr); gap: clamp(26px, 4vw, 56px); }
.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: 18px 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: 24px; height: 24px; border: 1px solid #d3b393; border-radius: 8px; 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(--brown);
  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 30px 18px 0; margin: 0; color: var(--muted); font-size: 13.4px; line-height: 1.9; }

/* reviews: three columns */
.reviews { padding: 76px 0 82px; }
.review-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding: 0; margin: 0; list-style: none; }
.review-card {
  display: flex;
  flex-direction: column;
  padding: 20px 21px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  border-radius: 14px;
  background: var(--panel);
}
.review-meta { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 6px; padding-bottom: 9px; margin-bottom: 10px; border-bottom: 1px dashed var(--line); }
.review-meta b { color: var(--brown-deep); font-size: 13px; font-weight: 900; }
.review-meta time { color: #a18774; font-family: var(--mono); font-size: 9.5px; }
.review-card p { margin: 0; color: #6a5040; font-size: 12.8px; line-height: 1.85; }

/* steps */
.steps { padding: 72px 0 78px; 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; }
.step-list li { position: relative; padding: 26px 22px 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
.step-list li::after {
  position: absolute;
  top: 50%;
  right: -12px;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--orange);
  border-right: 2px solid var(--orange);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}
.step-list li:last-child::after { display: none; }
.step-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  border-radius: 12px;
  background: #fde3cb;
  color: var(--brown);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
}
.step-list h3 { margin: 0 0 7px; font-size: 17px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* download */
.download { padding: 34px 0 40px; }
.download-inner {
  padding: 48px clamp(24px, 5vw, 60px) 42px;
  border-radius: 26px;
  background:
    radial-gradient(420px 220px at 90% 4%, rgba(242, 153, 74, .45), transparent 72%),
    linear-gradient(140deg, #6b4423, #4a2d18 78%);
  color: #ffeede;
  text-align: center;
}
.download .eyebrow { justify-content: center; color: #ffc48f; }
.download .eyebrow::before { background: #ffc48f; }
.download h2 { max-width: 700px; margin: 0 auto; color: #fff6ec; }
.download-inner > p { max-width: 500px; margin: 13px auto 24px; color: #e8cbae; font-size: 14px; }
.download .button-primary { background: var(--orange); color: #3a2211; }
.download .button-primary:hover { background: #f8b273; }
.download-notes { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 24px; padding: 22px 0 0; margin: 28px 0 0; border-top: 1px solid rgba(255, 238, 222, .22); list-style: none; }
.download-notes li { color: #e0c1a3; font-family: var(--mono); font-size: 11px; }
.download-notes li::before { margin-right: 8px; content: "◍"; color: var(--orange); }

/* footer */
.site-footer { padding: 44px 0 52px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 20px 40px; align-items: start; }
.footer-brand strong { color: var(--brown-deep); 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: #7a5b47; font-size: 12px; }
.footer-nav a:hover { color: var(--brown-deep); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; margin-top: 24px; padding-top: 18px; 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: #9a7c68; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) 280px; gap: 30px; }
  .hero-card { width: 280px; }
  .shot-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .review-list { 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(74, 45, 24, .18);
  }
  .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 { padding-top: 46px; }
  .hero-grid { grid-template-columns: 1fr; padding-bottom: 20px; }
  .hero-card { justify-self: start; width: min(290px, 78%); margin: 30px 0 0; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
  .step-list { grid-template-columns: 1fr; }
  .step-list li::after { display: none; }
  .feature-row { grid-template-columns: 54px 130px minmax(0, 1fr); gap: 14px; }
}
@media (max-width: 600px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .hero h1 { font-size: clamp(40px, 14vw, 58px); }
  .paw-strip { gap: 18px; flex-wrap: wrap; padding-bottom: 26px; }
  .paw { width: 28px; height: 24px; }
  .paw-note { width: 100%; margin-left: 0; }
  .feature-row { grid-template-columns: 40px minmax(0, 1fr); gap: 6px 12px; padding: 18px 4px 18px 0; }
  .feature-row h3 { grid-column: 2; }
  .feature-row p { grid-column: 2; }
  .feature-no { grid-row: 1 / span 2; align-self: center; }
  .shot-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .review-list { grid-template-columns: 1fr; }
  .section-heading-split { grid-template-columns: 1fr; gap: 10px; }
  .section-heading-split > p:last-child { margin: 0; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .brand { font-size: 15px; gap: 7px; }
  .brand img { width: 30px; height: 30px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 8px; }
  .nav-download { min-height: 36px; padding: 0 10px; font-size: 11px; gap: 5px; }
  .nav-download svg { width: 14px; height: 14px; }
  .menu-toggle { width: 36px; height: 36px; }
}
@media (max-width: 380px) {
  .brand { font-size: 15px; 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: 38px; }
  .hero-subtitle { font-size: 16px; }
  .button { width: 100%; }
  .shot-row { grid-template-columns: 1fr; }
  .hero-card::before, .hero-card::after { width: 66px; height: 56px; }
}