@charset "UTF-8";

:root {
  --mint: #DFF5EC;
  --mint-2: #C9EBDE;
  --panel: #FFFFFF;
  --ink: #1E2B27;
  --muted: #5F736C;
  --line: #C6E2D7;
  --line-2: #A9D3C3;
  --orange: #F2994A;
  --orange-2: #D97D22;
  --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) + 16px); }
body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--mint);
  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 rgba(242, 153, 74, .55); outline-offset: 4px; }
.page-shell { width: min(calc(100% - 48px), var(--shell)); margin: 0 auto; }
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 12px;
  color: var(--orange-2);
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 2.4px;
  line-height: 1.5;
}
.eyebrow::before { width: 14px; height: 2px; content: ""; background: currentColor; border-radius: 2px; }

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(223, 245, 236, .95);
  backdrop-filter: blur(10px);
}
.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: 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-radius: 11px; object-fit: contain; background: #fff; box-shadow: inset 0 0 0 1px var(--line); }
.brand-tag {
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--orange);
  color: #fff;
  font-family: var(--mono);
  font-size: 9px;
  font-style: normal;
  letter-spacing: .6px;
}
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(12px, 2vw, 24px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 6px 0; border-bottom: 2px solid transparent; color: #4C6A60; font-size: 13px; font-weight: 700; }
.primary-nav a:hover { border-bottom-color: var(--orange); 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;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--orange);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 0 8px 18px rgba(242, 153, 74, .28);
  transition: background .18s ease, transform .18s ease;
}
.nav-download:hover { background: var(--orange-2); transform: translateY(-1px); }
.menu-toggle { display: none; width: 40px; height: 40px; padding: 0; border: 1px solid var(--line-2); border-radius: 12px; background: #fff; cursor: pointer; }
.menu-toggle span { display: block; width: 17px; height: 2px; margin: 5px auto; background: var(--ink); }
.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: centered tabs + dual panel + bookmark */
.hero {
  position: relative;
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(520px 320px at 50% -10%, rgba(242, 153, 74, .16), transparent 70%),
    radial-gradient(680px 380px at 8% 100%, rgba(255, 255, 255, .85), transparent 72%),
    linear-gradient(180deg, #E8F9F2 0%, var(--mint) 88%);
}
.hero-center { max-width: 720px; margin: 0 auto 26px; text-align: center; }
.hero-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 5px;
  margin: 0 0 16px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: rgba(255, 255, 255, .8);
  list-style: none;
}
.hero-tabs li {
  padding: 5px 17px;
  border-radius: 999px;
  color: #5F736C;
  font-size: 12.5px;
  font-weight: 700;
}
.hero-tabs .is-on { background: var(--orange); color: #fff; box-shadow: 0 6px 14px rgba(242, 153, 74, .3); }
.hero h1 {
  margin: 0;
  font-size: clamp(46px, 6.4vw, 78px);
  font-weight: 900;
  letter-spacing: clamp(-2px, -.3vw, -3px);
  line-height: 1.06;
}
.hero-subtitle {
  margin: 12px 0 0;
  color: var(--orange-2);
  font-size: clamp(17px, 1.9vw, 22px);
  font-weight: 900;
  letter-spacing: .5px;
}
.hero-lead { max-width: 580px; margin: 11px auto 0; color: var(--muted); font-size: 14px; }
.hero-actions { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 18px; margin-top: 22px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  gap: 12px;
  padding: 0 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 900;
  transition: background .18s ease, transform .18s ease;
}
.button svg { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.button-primary { background: var(--orange); color: #fff; box-shadow: 0 12px 26px rgba(242, 153, 74, .32); }
.button-primary:hover { background: var(--orange-2); transform: translateY(-2px); }
.button-large { min-height: 52px; padding: 0 32px; font-size: 15px; }
.text-link { color: #4A6459; border-bottom: 1px dashed var(--line-2); font-size: 13px; font-weight: 700; }
.text-link span { margin-left: 4px; color: var(--orange-2); }

.dual-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
  max-width: 860px;
  margin: 0 auto;
}
.dual-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 16px 18px 14px;
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: 0 14px 30px rgba(58, 96, 84, .1);
}
.dual-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 8px;
  margin: 0 0 10px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  font-weight: 900;
}
.dual-head span { color: var(--muted); font-family: var(--mono); font-size: 9.5px; font-weight: 400; }
.chapter-list { display: flex; flex: 1; flex-direction: column; justify-content: flex-start; padding: 0; margin: 0; list-style: none; }
.chapter-list::after {
  flex: 1;
  min-height: 46px;
  margin: 12px 0 0;
  border-radius: 3px;
  content: "";
  background: repeating-linear-gradient(180deg, #E6F1EC 0 5px, transparent 5px 17px);
  opacity: .9;
}
.chapter-list li { padding: 5px 0; border-bottom: 1px dashed #E4F2EC; color: #3B4F48; font-size: 13px; }
.chapter-list li:last-child { border-bottom: 0; }
.chapter-list .is-now { color: var(--orange-2); font-weight: 700; }
.dual-foot { margin: 10px 0 0; color: #7E948C; font-family: var(--mono); font-size: 9.5px; }
.dual-comic img { width: 100%; height: auto; aspect-ratio: 1 / 1; object-fit: cover; object-position: center 18%; border-radius: 8px; }
.dual-comic .dual-foot { margin-top: 8px; }

.bookmark-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 0;
  margin: 14px auto 0;
  list-style: none;
}
.bookmark-bar li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 13px 5px 5px;
  border: 1px solid var(--line-2);
  border-radius: 4px;
  border-bottom-width: 3px;
  background: #fff;
  color: #4A6459;
  font-size: 12px;
}
.bookmark-bar b { padding: 1px 6px; border-radius: 3px; background: var(--mint-2); color: #33544A; font-family: var(--mono); font-size: 9.5px; }

/* features: 2x2 cards */
.features { padding: 62px 0 68px; border-bottom: 1px solid var(--line); background: #F3FBF7; }
.section-heading { margin-bottom: 28px; }
.section-heading h2, .download h2 { margin: 0; font-size: clamp(23px, 2.6vw, 32px); font-weight: 900; letter-spacing: -.6px; line-height: 1.35; }
.section-heading > p:last-child { max-width: 620px; margin: 9px 0 0; color: var(--muted); font-size: 13.5px; }
.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: 12px; }
.feature-card {
  padding: 22px 22px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: 0 10px 22px rgba(58, 96, 84, .07);
}
.feature-no { display: inline-block; margin-bottom: 8px; padding: 1px 8px; border-radius: 999px; background: var(--mint); color: var(--orange-2); font-family: var(--mono); font-size: 10.5px; font-weight: 700; letter-spacing: 1px; }
.feature-card h3 { margin: 0 0 5px; font-size: 16.5px; font-weight: 900; }
.feature-card p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.85; }

/* shots: staggered three cards */
.shots { padding: 64px 0 74px; }
.poster-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: start; }
.poster-card {
  margin: 0;
  padding: 9px 9px 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: 0 16px 30px rgba(58, 96, 84, .1);
}
.poster-card:nth-child(2) { margin-top: 26px; }
.poster-card:nth-child(3) { margin-top: 52px; }
.poster-card img { width: 100%; height: auto; aspect-ratio: 9 / 16; object-fit: cover; object-position: center 6%; border-radius: 10px; }
.poster-card figcaption { display: flex; align-items: baseline; gap: 8px; padding: 10px 4px 12px; }
.poster-card figcaption b { color: var(--orange-2); font-family: var(--mono); font-size: 10px; }
.poster-card figcaption span { display: flex; flex-direction: column; font-size: 12.5px; font-weight: 900; line-height: 1.45; }
.poster-card figcaption small { color: var(--muted); font-size: 10.5px; font-weight: 400; }

/* faq */
.faq { padding: 60px 0 68px; border-top: 1px solid var(--line); background: #F3FBF7; }
.faq-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(24px, 4vw, 52px); }
.faq-heading { position: sticky; top: calc(var(--header-height) + 24px); align-self: start; }
.faq-list { display: grid; gap: 8px; }
.faq-list details { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 13px 15px; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary h3 { margin: 0; font-size: 14.5px; font-weight: 900; line-height: 1.5; }
.faq-list summary i { position: relative; flex: none; width: 20px; height: 20px; border-radius: 50%; background: var(--mint); }
.faq-list summary i::before,
.faq-list summary i::after { position: absolute; top: 50%; left: 50%; width: 8px; height: 1.5px; content: ""; background: var(--orange-2); 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(0deg); }
.faq-list details p { padding: 0 15px 13px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.85; }

/* reviews: single row list with left meta */
.reviews { padding: 62px 0 68px; }
.review-list { display: grid; gap: 1px; padding: 0; margin: 0; border: 1px solid var(--line); border-radius: 14px; background: var(--line); list-style: none; overflow: hidden; }
.review-card {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  align-items: baseline;
  gap: 16px;
  padding: 15px 20px;
  background: var(--panel);
}
.review-meta { display: flex; flex-direction: column; gap: 2px; }
.review-meta b { font-size: 13px; font-weight: 900; }
.review-meta time { color: #86A097; font-family: var(--mono); font-size: 9.5px; }
.review-card p { margin: 0; color: #41574F; font-size: 13px; line-height: 1.8; }

/* steps: vertical rows */
.steps { padding: 60px 0 66px; border-top: 1px solid var(--line); background: #F3FBF7; }
.step-list { display: grid; gap: 10px; padding: 0; margin: 0; list-style: none; counter-reset: step; }
.step-list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 132px) minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding: 15px 18px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--orange);
  border-radius: 12px;
  background: var(--panel);
}
.step-list span { color: var(--orange); font-family: var(--mono); font-size: 19px; font-weight: 700; line-height: 1; }
.step-list h3 { margin: 0; font-size: 15.5px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 12.5px; line-height: 1.8; }

/* download: centered card */
.download { padding: 0 0 56px; }
.download-inner {
  max-width: 780px;
  padding: 40px clamp(22px, 4vw, 48px) 34px;
  margin: 0 auto;
  border: 1px solid var(--line-2);
  border-radius: 20px;
  background:
    radial-gradient(360px 200px at 100% 0%, rgba(242, 153, 74, .18), transparent 70%),
    var(--panel);
  text-align: center;
  box-shadow: 0 18px 34px rgba(58, 96, 84, .12);
}
.download .eyebrow { justify-content: center; }
.download h2 { color: var(--ink); }
.download-inner > p { max-width: 460px; margin: 10px auto 20px; color: var(--muted); font-size: 13.5px; }
.download-notes { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 8px; padding: 0; margin: 22px 0 0; list-style: none; }
.download-notes li { padding: 3px 11px; border-radius: 999px; background: var(--mint); color: #40604F; font-family: var(--mono); font-size: 10px; }

/* footer */
.site-footer { padding: 38px 0 46px; border-top: 1px solid var(--line-2); }
.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: 3px 0 0; color: var(--muted); font-size: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.footer-nav a { color: #4C6A60; font-size: 12px; }
.footer-nav a:hover { color: var(--orange-2); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 20px; padding-top: 14px; 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: #6E877F; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1024px) {
  .poster-row { gap: 12px; }
  .review-card { grid-template-columns: 150px minmax(0, 1fr); }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    padding: 6px 24px 14px;
    border-bottom: 1px solid var(--line);
    background: var(--mint);
    box-shadow: 0 12px 20px rgba(58, 96, 84, .14);
  }
  .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 solid var(--line); }
  .dual-panel { grid-template-columns: 1fr; }
  .dual-comic img { aspect-ratio: 4 / 3; }
  .faq-layout { grid-template-columns: 1fr; }
  .faq-heading { position: static; }
  .poster-card:nth-child(2), .poster-card:nth-child(3) { margin-top: 0; }
  .poster-row { grid-auto-flow: column; grid-auto-columns: 64%; grid-template-columns: none; gap: 10px; overflow-x: auto; scroll-snap-type: x mandatory; }
  .poster-card { scroll-snap-align: start; }
  .step-list li { grid-template-columns: 44px minmax(0, 1fr); }
  .step-list p { grid-column: 2; }
}
@media (max-width: 600px) {
  .page-shell, .nav-shell { width: calc(100% - 30px); }
  .hero { padding: 28px 0 38px; }
  .hero h1 { font-size: clamp(40px, 13vw, 54px); }
  .hero-tabs li { padding: 5px 13px; font-size: 12px; }
  .feature-grid { grid-template-columns: 1fr; }
  .review-list { border-radius: 12px; }
  .review-card { grid-template-columns: 1fr; gap: 4px; padding: 13px 15px; }
  .review-meta { flex-direction: row; align-items: baseline; gap: 10px; }
  .section-heading-split { grid-template-columns: 1fr; gap: 8px; }
  .section-heading-split > p:last-child { margin: 0; }
  .dual-col { padding: 14px 15px 12px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  .brand { font-size: 17px; gap: 6px; }
  .brand img { width: 28px; height: 28px; }
  .brand-tag { display: none; }
  .nav-download { min-height: 33px; padding: 0 11px; font-size: 11px; }
  .menu-toggle { width: 33px; height: 33px; }
  .hero h1 { font-size: 38px; }
  .button { width: 100%; }
  .bookmark-bar li { font-size: 11px; }
}