@charset "UTF-8";

:root {
  --bg: #FFF7ED;
  --bg-2: #FFFFFF;
  --panel: #FFFFFF;
  --line: #F1DCC6;
  --ink: #1F2937;
  --muted: #7A6A5C;
  --accent: #F97316;
  --accent-deep: #C2410C;
  --accent-soft: #FFEDD5;
  --shell: 1180px;
  --header-height: 70px;
}

* { 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(--accent); 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(--accent-deep);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2.2px;
  line-height: 1.4;
}
.eyebrow::before { width: 18px; height: 2px; content: ""; background: currentColor; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 247, 237, .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: .5px; }
.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: 6px;
  background: var(--accent);
  color: #fff;
  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, 26px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 7px 0; border-bottom: 2px solid transparent; color: #6B5B4D; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--accent); 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(--accent);
  border-radius: 10px;
  background: var(--accent);
  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(--accent-deep); }
.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 */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(560px 340px at 88% 4%, rgba(249, 115, 22, .18), transparent 70%),
    radial-gradient(420px 300px at 4% 104%, rgba(249, 115, 22, .1), transparent 74%),
    linear-gradient(180deg, #FFF9F1 0%, var(--bg) 100%);
}
.hero::before {
  position: absolute;
  top: -90px;
  right: -70px;
  width: 320px;
  height: 320px;
  border: 34px solid rgba(249, 115, 22, .12);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  align-items: center;
  gap: clamp(26px, 4.4vw, 62px);
  padding: 56px 0 26px;
}
.hero-copy { min-width: 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: #8A7462;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.4px;
}
.hero-kicker b {
  padding: 3px 8px;
  border-radius: 5px;
  background: var(--ink);
  color: #FFE9D2;
  font-size: 9.5px;
  font-weight: 900;
  letter-spacing: 1.2px;
}
.hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(58px, 8vw, 106px);
  font-weight: 900;
  letter-spacing: clamp(-2px, -.4vw, -4px);
  line-height: .96;
}
.hero-subtitle {
  margin: 18px 0 0;
  color: var(--accent-deep);
  font-size: clamp(18px, 2.1vw, 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: 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: 10px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button-primary { background: var(--accent); color: #fff; box-shadow: 0 14px 30px rgba(249, 115, 22, .26); }
.button-primary:hover { background: var(--accent-deep); transform: translateY(-2px); }
.button-large { min-height: 54px; padding: 0 34px; font-size: 15px; }
.text-link { color: #6B5B4D; border-bottom: 1px dashed #E4C3A3; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--accent-deep); }

.circle-board {
  min-width: 0;
  padding: 18px 18px 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(165deg, #FFFFFF 0%, #FFF4E7 100%);
  box-shadow: 0 24px 48px rgba(120, 72, 30, .14);
}
.board-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 0 4px; margin: 0 0 12px; color: var(--ink); font-size: 13px; font-weight: 900; }
.board-head b { color: #A08A76; font-size: 11px; font-weight: 700; }
.circle-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; padding: 0; margin: 0; list-style: none; }
.circle-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-width: 0;
  min-height: 0;
  padding: 10px 9px;
  border: 1px solid #F0DFCC;
  border-radius: 12px;
  background: #FFFdf9;
  aspect-ratio: 1 / .86;
  overflow: hidden;
}
.circle-tile::before {
  position: absolute;
  top: 8px;
  left: 9px;
  width: 16px;
  height: 16px;
  border-radius: 6px;
  content: "";
  background: linear-gradient(140deg, #FDBA74, #F97316);
  opacity: .7;
}
.circle-tile b { position: relative; overflow-wrap: anywhere; font-size: 12.5px; font-weight: 900; line-height: 1.3; }
.circle-tile small { position: relative; color: #9B8775; font-size: 10px; line-height: 1.4; }
.circle-tile.is-warm { background: #FFF1DF; border-color: #F8CFA6; }
.circle-tile.is-locked { background: #F3F0EC; border-color: #DED6CC; }
.circle-tile.is-locked::before { background: #C9BFB3; }
.circle-tile.is-locked b { color: #5E5A55; }
.lock {
  position: absolute;
  top: 9px;
  right: 9px;
  width: 11px;
  height: 9px;
  border: 2px solid var(--ink);
  border-radius: 2px;
}
.lock::before { position: absolute; bottom: 100%; left: 50%; width: 7px; height: 6px; border: 2px solid var(--ink); border-bottom: 0; border-radius: 5px 5px 0 0; content: ""; transform: translateX(-50%); }
.owner-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 4px 2px; margin-top: 12px; border-top: 1px dashed #EBD6BE; }
.owner-row p { margin: 0; color: #8A7462; font-size: 11.5px; font-weight: 700; }
.owner-avatars { display: flex; }
.owner-avatars i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-left: -6px;
  border: 2px solid #FFF7ED;
  border-radius: 50%;
  background: linear-gradient(150deg, #FDBA74, #F97316);
  color: #fff;
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
}
.owner-avatars i:nth-child(2n) { background: linear-gradient(150deg, #6B7280, #1F2937); }
.hero-note {
  position: relative;
  z-index: 2;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  padding: 9px 18px;
  margin: 0 0 38px;
  border: 1px dashed #EBC9A4;
  border-radius: 999px;
  background: rgba(255, 255, 255, .7);
  font-size: 11.5px;
}
.hero-note b { color: var(--accent-deep); }
.hero-note span { color: #8A7462; }

/* features */
.features { padding: 70px 0 76px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.section-heading { margin-bottom: 30px; }
.section-heading h2, .download h2 { margin: 0; color: var(--ink); font-size: clamp(24px, 2.8vw, 35px); 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(200px, 300px); align-items: end; gap: 26px; }
.section-heading-split > p:last-child { margin: 0 0 4px; }
.feature-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(248px, 1fr);
  gap: 14px;
  padding: 0 0 14px;
  margin: 0;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-color: #F4B183 #FFF1DF;
  scrollbar-width: thin;
}
.feature-track::-webkit-scrollbar { height: 6px; }
.feature-track::-webkit-scrollbar-thumb { border-radius: 99px; background: #F4B183; }
.feature-track::-webkit-scrollbar-track { border-radius: 99px; background: #FFF1DF; }
.feature-card {
  padding: 24px 22px 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg);
  border-top: 3px solid var(--accent);
}
.feature-no { display: block; margin-bottom: 10px; color: var(--accent-deep); font-size: 11px; font-weight: 800; letter-spacing: 1.6px; }
.feature-card h3 { margin: 0 0 7px; font-size: 17px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 12.8px; line-height: 1.8; }

/* shots */
.shots { padding: 74px 0 82px; background: linear-gradient(180deg, var(--bg-2), #FFF3E3); }
.shot-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: start; gap: 14px; }
.shot-card { margin: 0; border: 1px solid var(--line); border-radius: 16px; background: #fff; overflow: hidden; box-shadow: 0 14px 26px rgba(120, 72, 30, .1); }
.shot-card img { width: 100%; height: auto; object-fit: cover; object-position: center 8%; }
.shot-card:nth-child(1) { margin-top: 26px; }
.shot-card:nth-child(1) img { aspect-ratio: 9 / 15; }
.shot-card:nth-child(2) img { aspect-ratio: 9 / 16; }
.shot-card:nth-child(3) { margin-top: 48px; }
.shot-card:nth-child(3) img { aspect-ratio: 9 / 14.4; }
.shot-card:nth-child(4) { margin-top: 12px; }
.shot-card:nth-child(4) img { aspect-ratio: 9 / 15.4; }
.shot-card figcaption { padding: 11px 14px 13px; border-top: 1px solid var(--line); }
.shot-card figcaption b { display: block; color: var(--accent-deep); font-size: 10px; letter-spacing: 1.2px; }
.shot-card figcaption span { display: block; font-size: 13.5px; font-weight: 900; line-height: 1.4; }
.shot-card figcaption small { display: block; color: var(--muted); font-size: 10.5px; font-weight: 500; }

/* faq */
.faq { padding: 72px 0 80px; border-top: 1px solid var(--line); background: var(--bg-2); }
.faq-layout { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: clamp(24px, 4vw, 54px); }
.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: 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 #EFD3B6; border-radius: 7px; background: #FFF4E7; }
.faq-list summary i::before,
.faq-list summary i::after { position: absolute; top: 50%; left: 50%; width: 9px; height: 1.5px; content: ""; background: var(--accent-deep); 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: 13.5px; line-height: 1.85; }

/* reviews */
.reviews { padding: 74px 0 82px; background: var(--bg); }
.review-list { display: grid; gap: 12px; padding: 0; margin: 0; list-style: none; }
.review-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.review-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(150deg, #FDBA74, #F97316);
  color: #fff;
  font-size: 15px;
  font-style: normal;
  font-weight: 900;
}
.review-card:nth-child(2n) .review-avatar { background: linear-gradient(150deg, #6B7280, #1F2937); }
.review-body { min-width: 0; }
.review-meta { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 12px; }
.review-meta b { color: var(--accent-deep); font-size: 13px; font-weight: 900; }
.review-meta time { color: #A69280; font-size: 10.5px; }
.review-body p { margin: 5px 0 0; color: #5B4C40; font-size: 13px; line-height: 1.75; overflow-wrap: anywhere; }

/* steps */
.steps { padding: 70px 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 { padding: 22px 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--bg); }
.step-list span { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; margin-bottom: 12px; border-radius: 10px; background: var(--ink); color: #FFE9D2; font-size: 13px; font-weight: 900; }
.step-list h3 { margin: 0 0 5px; font-size: 16.5px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 12.8px; line-height: 1.75; }

/* download */
.download { padding: 28px 0 34px; }
.download-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 46px clamp(24px, 5vw, 58px) 40px;
  border: 1px solid #F7C79B;
  border-radius: 18px;
  background:
    radial-gradient(420px 250px at 92% 0%, rgba(249, 115, 22, .22), transparent 70%),
    linear-gradient(120deg, #FFF7ED, #FFEBD6 84%);
}
.download .eyebrow { color: var(--accent-deep); }
.download h2 { max-width: 620px; }
.download .button-large { margin: 20px 0 0; }
.download-inner > p:not(.eyebrow) { max-width: 560px; margin: 16px 0 0; color: #7A6A5C; font-size: 14px; }
.download-notes { display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 18px 0 0; margin: 22px 0 0; width: 100%; border-top: 1px solid #F2D3B4; list-style: none; }
.download-notes li { color: var(--accent-deep); font-size: 11.5px; }
.download-notes li::before { margin-right: 8px; content: "·"; }

/* footer */
.site-footer { padding: 42px 0 50px; border-top: 1px solid var(--line); background: #FFF3E4; }
.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: #6B5B4D; font-size: 12px; }
.footer-nav a:hover { color: var(--accent-deep); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; margin-top: 22px; padding-top: 17px; 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: #9B8775; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 380px); gap: 30px; }
  .hero h1 { font-size: clamp(52px, 7.4vw, 84px); }
  .shot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shot-card:nth-child(n) { margin-top: 0; }
  .shot-card:nth-child(2) img { aspect-ratio: 9 / 14; }
  .shot-card:nth-child(3) img { aspect-ratio: 9 / 14; }
  .shot-card:nth-child(4) img { aspect-ratio: 9 / 14; }
}
@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(120, 72, 30, .16);
  }
  .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 24px; }
  .circle-board { max-width: 540px; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
  .step-list { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .page-shell, .nav-shell { width: calc(100% - 36px); }
  .feature-track { grid-auto-columns: minmax(230px, 78vw); }
  .shot-grid { gap: 10px; }
  .review-card { padding: 15px 16px; }
  .section-heading-split { grid-template-columns: 1fr; gap: 10px; }
  .section-heading-split > p:last-child { margin: 0; }
}
@media (max-width: 560px) {
  .page-shell, .nav-shell { width: calc(100% - 28px); }
  .brand { font-size: 18px; gap: 8px; }
  .brand img { width: 33px; height: 33px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 8px; }
  .nav-download { min-height: 36px; padding: 0 10px; font-size: 11.5px; gap: 5px; }
  .nav-download svg { width: 14px; height: 14px; }
  .menu-toggle { width: 36px; height: 36px; }
  .hero h1 { font-size: clamp(46px, 15vw, 62px); }
  .hero-subtitle { font-size: 17px; }
  .hero-lead { font-size: 14px; }
  .button { width: 100%; }
  .hero-actions { gap: 14px; }
  .circle-board { padding: 14px 12px 12px; border-radius: 16px; }
  .circle-grid { gap: 7px; }
  .circle-tile { padding: 8px 7px; border-radius: 10px; }
  .circle-tile b { font-size: 11.5px; }
  .circle-tile small { font-size: 9.5px; }
  .owner-row p { font-size: 10.5px; }
  .owner-avatars i { width: 25px; height: 25px; font-size: 10px; }
  .feature-track { grid-auto-columns: minmax(210px, 82vw); }
  .shot-card figcaption { padding: 9px 11px 11px; }
  .shot-card figcaption span { font-size: 12.5px; }
  .review-card { grid-template-columns: 40px minmax(0, 1fr); gap: 10px; }
  .review-avatar { width: 36px; height: 36px; font-size: 13px; }
  .download-inner { padding: 34px 20px 30px; }
  .footer-grid { grid-template-columns: 1fr; }
}