@charset "UTF-8";

:root {
  --bg: #f7efe2;
  --bg-2: #fbf5ea;
  --panel: #fffdf8;
  --line: #e2d3bd;
  --ink: #2b1e17;
  --muted: #7c6a5a;
  --red: #d0202a;
  --gold: #b1812f;
  --green: #1f6a55;
  --shell: 1180px;
  --header-height: 70px;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
  --serif: "Songti SC", "STSong", "SimSun", serif;
}

* { 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(--red); 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(--red);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.4px;
  line-height: 1.4;
}
.eyebrow::before { width: 22px; height: 1px; content: ""; background: currentColor; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(253, 248, 239, .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; font-family: var(--serif); font-size: 22px; font-weight: 900; letter-spacing: 0; }
.brand img { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 8px; object-fit: contain; background: #fff; }
.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: 1px solid transparent; color: #6d5b4b; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--red); 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(--red);
  background: var(--red);
  color: #fff6ea;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: #a8141d; color: #fff; }
.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); 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: title band + staggered poster wall */
.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(680px 340px at 88% 0%, rgba(208, 32, 42, .1), transparent 72%),
    linear-gradient(180deg, #fbf5ea 0%, var(--bg) 100%);
}
.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image: repeating-linear-gradient(90deg, rgba(43, 30, 23, .045) 0 1px, transparent 1px 74px);
  mask-image: linear-gradient(180deg, #000, transparent 78%);
  pointer-events: none;
}
.hero-head {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, .88fr);
  align-items: end;
  gap: clamp(24px, 4vw, 60px);
  padding: 58px 0 30px;
}
.hero-title { min-width: 0; }
.hero-kicker {
  display: inline-block;
  margin: 0 0 16px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(208, 32, 42, .45);
  color: var(--red);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 2.4px;
}
.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(64px, 9.2vw, 126px);
  font-weight: 900;
  letter-spacing: clamp(-2px, -.4vw, -4px);
  line-height: .92;
}
.hero-subtitle {
  margin: 18px 0 0;
  font-family: var(--serif);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  line-height: 1.5;
}
.hero-subtitle::before { margin-right: 10px; color: var(--red); content: "／"; }
.hero-note { padding-bottom: 8px; border-left: 1px solid var(--line); padding-left: clamp(18px, 2.6vw, 32px); }
.hero-lead { margin: 0; color: var(--muted); font-size: 14.5px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-top: 24px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  gap: 14px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button-primary { background: var(--red); color: #fff6ea; box-shadow: 0 12px 24px rgba(208, 32, 42, .2); }
.button-primary:hover { background: #a8141d; transform: translateY(-2px); }
.button-large { min-height: 54px; padding: 0 34px; font-size: 15px; }
.text-link { color: #5f4d3e; border-bottom: 1px dashed #bda98f; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--red); }

.hero-wall {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(10px, 1.4vw, 18px);
  width: min(calc(100% - 48px), 1240px);
  margin: 0 auto;
  padding: 0 0 46px;
}
.wall-card {
  margin: 0;
  padding: 7px 7px 0;
  background: #fffdf8;
  border: 1px solid var(--line);
  box-shadow: 0 18px 30px rgba(74, 48, 24, .12);
  transform: rotate(-1.1deg);
}
.wall-card img { width: 100%; height: auto; aspect-ratio: 46 / 72; object-fit: cover; object-position: center 18%; }
.wall-card figcaption {
  padding: 8px 2px 9px;
  color: #8c7862;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 1.2px;
  text-align: center;
}
.wall-2 { margin-top: 30px; transform: rotate(1.2deg); }
.wall-3 { margin-top: 6px; transform: rotate(-.7deg); }
.wall-4 { margin-top: 38px; transform: rotate(1.6deg); }

/* features */
.features { padding: 78px 0 82px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.section-heading { margin-bottom: 34px; }
.section-heading h2, .download h2 { margin: 0; font-family: var(--serif); font-size: clamp(25px, 2.9vw, 36px); font-weight: 900; letter-spacing: -.4px; 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-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.feature-card { padding: 26px 22px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255, 253, 248, .6); }
.feature-card:last-child { border-right: 0; }
.feature-no {
  display: block;
  margin-bottom: 12px;
  color: var(--red);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.6px;
}
.feature-card h3 { margin: 0 0 8px; font-family: var(--serif); font-size: 19px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }

/* shots */
.shots { padding: 78px 0 84px; }
.shot-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; align-items: start; }
.shot-card { margin: 0; border: 1px solid var(--line); background: var(--panel); }
.shot-card img { width: 100%; height: auto; aspect-ratio: 46 / 72; object-fit: cover; object-position: center 20%; }
.shot-card:nth-child(2) img { object-position: center 30%; }
.shot-card figcaption { display: flex; align-items: baseline; gap: 9px; padding: 11px 12px 12px; border-top: 1px solid var(--line); }
.shot-card figcaption b { color: var(--red); font-family: var(--mono); font-size: 10px; }
.shot-card figcaption span { display: flex; flex-direction: column; font-size: 13px; font-weight: 900; line-height: 1.4; }
.shot-card figcaption small { color: var(--muted); font-size: 10.5px; font-weight: 500; }

/* 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(--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: 20px; height: 20px; border: 1px solid var(--line); }
.faq-list summary i::before,
.faq-list summary i::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 1.5px;
  content: "";
  background: var(--red);
  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 17px 0; margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.85; }

/* reviews */
.reviews { padding: 78px 0 84px; }
.review-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; padding: 0; margin: 0; list-style: none; }
.review-card { padding: 19px 20px 20px; border: 1px solid var(--line); background: var(--panel); }
.review-card:nth-child(2), .review-card:nth-child(5) { background: #f6ecdc; }
.review-meta { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 6px; padding-bottom: 9px; margin-bottom: 9px; border-bottom: 1px dashed var(--line); }
.review-meta b { color: var(--green); font-size: 13px; font-weight: 900; }
.review-meta time { color: #a08b73; font-family: var(--mono); font-size: 10px; }
.review-card p { margin: 0; color: #584737; font-size: 13px; line-height: 1.8; }

/* steps */
.steps { padding: 74px 0 80px; 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: 24px 22px 22px; border: 1px solid var(--line); background: var(--panel); }
.step-list li::before { position: absolute; top: 0; left: 0; width: 44px; height: 3px; content: ""; background: var(--red); }
.step-list span {
  display: block;
  margin-bottom: 12px;
  color: #b7a38c;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
}
.step-list h3 { margin: 0 0 7px; font-family: var(--serif); font-size: 19px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }

/* download */
.download { padding: 26px 0; }
.download-inner {
  padding: 52px clamp(24px, 5vw, 60px) 46px;
  border: 1px solid #2a1a12;
  background:
    radial-gradient(420px 240px at 96% 0%, rgba(208, 32, 42, .3), transparent 70%),
    linear-gradient(120deg, #241812, #1a110d 62%, #241712);
  color: #f6ead9;
}
.download .eyebrow { color: #e8a19a; }
.download h2 { max-width: 620px; color: #fbf3e6; }
.download-inner > p { max-width: 520px; margin: 13px 0 24px; color: #c2ab96; font-size: 14px; }
.download .button-primary { background: var(--red); color: #fff6ea; box-shadow: 0 14px 26px rgba(0, 0, 0, .3); }
.download .button-primary:hover { background: #ef2b36; }
.download-notes { display: flex; flex-wrap: wrap; gap: 8px 22px; padding: 22px 0 0; margin: 28px 0 0; border-top: 1px solid rgba(246, 234, 217, .2); list-style: none; }
.download-notes li { color: #b9a48e; font-family: var(--mono); font-size: 11px; }
.download-notes li::before { margin-right: 8px; color: #e06a5e; content: "—"; }

/* 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 { font-family: var(--serif); font-size: 19px; 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: #6a5747; font-size: 12px; }
.footer-nav a:hover { color: var(--red); }
.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: #a08b73; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1024px) {
  .hero-head { grid-template-columns: minmax(0, 1fr) minmax(260px, .8fr); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-card:nth-child(2) { border-right: 0; }
}
@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-2);
    box-shadow: 0 16px 26px rgba(74, 48, 24, .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-head { grid-template-columns: 1fr; padding: 44px 0 24px; }
  .hero-note { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); padding-top: 18px; }
  .hero-wall { grid-template-columns: repeat(2, minmax(0, 1fr)); padding-bottom: 38px; }
  .wall-2 { margin-top: 20px; }
  .wall-3 { margin-top: 0; }
  .wall-4 { margin-top: 20px; }
  .shot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
  .review-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step-list { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .page-shell, .nav-shell, .hero-wall { width: calc(100% - 32px); }
  .hero h1 { font-size: clamp(50px, 15.5vw, 68px); }
  .hero-lead { font-size: 14px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { border-right: 0; }
  .review-list { grid-template-columns: 1fr; }
  .section-heading-split { grid-template-columns: 1fr; gap: 10px; }
  .section-heading-split > p:last-child { margin: 0; }
  .download-notes li { font-size: 10.5px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  .brand { font-size: 18px; gap: 7px; }
  .brand img { width: 30px; height: 30px; }
  .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: 52px; }
  .hero-subtitle { font-size: 16px; }
  .button { width: 100%; }
  .wall-card { padding: 5px 5px 0; }
  .wall-card figcaption { font-size: 8.5px; }
}