:root {
  --ink: #241838;
  --muted: #615872;
  --paper: #fcfaff;
  --panel: #f2edfc;
  --line: #ded3ee;
  --plum: #17132b;
  --violet: #6941b1;
  --pink: #ff9aba;
  --aqua: #9ef6e1;
  --sans: "Microsoft YaHei", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 94px; }
body { margin: 0; min-width: 760px; background: var(--paper); color: var(--ink); font: 15px var(--sans); }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; cursor: pointer; }
button:disabled { cursor: wait; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid #9467e0; outline-offset: 4px; }
img { display: block; max-width: 100%; }
svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.icon-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.container { width: min(1220px, calc(100% - 80px)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #18132c;
  color: #fff;
  border-bottom: 1px solid #ffffff20;
}
.nav-shell { width: min(1220px, calc(100% - 80px)); height: 76px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark { position: relative; width: 38px; height: 38px; overflow: hidden; border-radius: 7px; flex-shrink: 0; }
.brand-mark img { width: 100%; height: auto; }
.brand-name { font-size: 24px; line-height: 1.12; font-weight: 800; letter-spacing: .06em; }
.brand-name > span { display: block; margin-top: 5px; font-size: 10px; font-weight: 400; color: #bdb2d4; letter-spacing: .08em; }
.nav-shell nav { display: flex; align-items: center; gap: clamp(17px, 3vw, 38px); white-space: nowrap; }
.nav-link { position: relative; padding-block: 27px; color: #ddd4ed; font-size: 14px; }
.nav-link:hover, .nav-link.active { color: var(--aqua); }
.nav-link.active::after { content: ""; position: absolute; bottom: 16px; left: 0; right: 0; height: 2px; background: var(--aqua); }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 13px 19px; border: 1px solid transparent; border-radius: 8px; font-weight: 700; line-height: 1.5; white-space: nowrap; transition: background .18s, transform .18s; }
.button:hover { transform: translateY(-2px); }
.button-small { color: var(--aqua); border-color: #88e8d766; background: #a8f9e80d; padding: 9px 14px; font-size: 13px; }
.button-small:hover { background: #a8f9e826; }
.button svg { width: 19px; height: 19px; }
.button-primary { background: var(--aqua); color: #1a2b35; border-color: #d2fff3; box-shadow: 3px 4px 0 #498e93; }
.button-primary:hover { background: #cbffef; }
.button-secondary { background: #f1e5ff15; color: #f6edff; border-color: #baa1e26e; font-size: 13px; }
.button-secondary:hover { background: #f1e5ff29; }
.button-divider { height: 16px; width: 1px; background: #19353b40; }
.platform-name { font-size: 12px; font-weight: 500; }
.play-icon { display: grid; place-items: center; width: 20px; height: 20px; border: 1px solid currentColor; border-radius: 50%; }
.play-icon svg { width: 10px; height: 10px; margin-left: 1px; fill: currentColor; }

.hero {
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 66% 10%, #39225f, transparent 61%), var(--plum);
  color: #fff;
  padding-block: 58px 65px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(#bf9bf55c 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(104deg, #0008, transparent 43%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); gap: 37px; align-items: center; }
.hero-note { display: inline-flex; align-items: center; gap: 7px; color: #ffd0e2; font-weight: 700; font-size: 13px; letter-spacing: .12em; }
.hero-note > span { color: var(--pink); font-size: 19px; line-height: 1; }
h1, h2, h3, p { margin: 0; }
h1 { margin-block: 17px 19px; font-size: clamp(40px, 5.1vw, 76px); line-height: 1.13; letter-spacing: -.045em; font-weight: 900; }
h1 em { font-style: normal; color: var(--pink); }
.title-stop { color: var(--aqua); }
.hero-description { color: #e0d6ef; font-size: clamp(14px, 1.15vw, 17px); line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 9px 18px; margin-top: 23px; color: #cfc2e1; font-size: 12px; }
.hero-trust > span { display: inline-flex; align-items: center; gap: 5px; }
.hero-trust svg { width: 13px; height: 13px; color: var(--aqua); }
.hero-scene {
  position: relative;
  isolation: isolate;
  border: 2px solid #c29aee;
  border-radius: 23px 7px 23px 7px;
  box-shadow: 8px 8px 0 #a877eb4d, 0 24px 65px #0d091b70;
}
.hero-art { width: 100%; height: auto; aspect-ratio: 1.43; object-fit: cover; object-position: 61% 51%; border-radius: inherit; }
.scene-dialogue {
  position: absolute;
  z-index: 1;
  left: 18px;
  bottom: 17px;
  display: grid;
  gap: 5px;
  padding: 13px 20px;
  border: 1px solid #dec0ff;
  border-left: 4px solid var(--aqua);
  border-radius: 5px 12px 12px 5px;
  background: #211635ed;
  box-shadow: 0 7px 16px #160e2b65;
}
.scene-label { color: var(--aqua); font-size: 10px; letter-spacing: .09em; }
.scene-label i { display: inline-block; width: 5px; height: 5px; margin-right: 3px; border-radius: 50%; background: var(--aqua); }
.scene-source { color: #ddd0ec; font-size: 12px; }
.scene-dialogue strong { font-size: 16px; line-height: 1.4; }
.scene-spark { position: absolute; top: -25px; right: 17px; color: #ffd1e1; font-size: 36px; line-height: 1; text-shadow: 0 0 21px #ffd0f2; pointer-events: none; }

.benefit-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); padding-block: 25px; }
.benefit-strip > div { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 40px; border-right: 1px solid var(--line); font-weight: 700; font-size: 13px; }
.benefit-strip > div:last-child { border: 0; }
.benefit-strip svg { color: var(--violet); }
.section { padding-block: 78px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 22px; margin-bottom: 27px; }
.section-kicker { display: inline-flex; align-items: center; gap: 7px; margin-bottom: 10px; color: var(--violet); font-size: 12px; letter-spacing: .08em; font-weight: 700; }
.section-kicker::before { content: "✦"; color: #9667dc; font-size: 13px; }
h2 { font-size: clamp(28px, 3vw, 42px); font-weight: 900; letter-spacing: -.04em; line-height: 1.28; }
h3 { font-size: 21px; line-height: 1.35; }
.section-heading > p, .center-heading p, .faq-heading p { color: var(--muted); font-size: 14px; line-height: 1.85; }
.showcase-section { padding-bottom: 57px; }
.product-showcase { padding: 0 9px 9px; border: 1px solid #c9b4e9; border-radius: 14px; background: #ede4fc; box-shadow: 5px 6px 0 #e2d4f5; }
.showcase-top { min-height: 56px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 9px; gap: 10px; }
.showcase-label { font-size: 12px; color: #514067; white-space: nowrap; }
.showcase-label i { display: inline-block; width: 7px; height: 7px; background: #9471d2; border-radius: 50%; margin-right: 7px; }
.preview-tabs { display: flex; align-items: center; gap: 6px; }
.preview-tab { padding: 8px 14px; border: 0; border-radius: 7px; background: transparent; font-size: 13px; color: #554265; }
.preview-tab:hover { background: #e3d3f8; }
.preview-tab.selected { background: #63439b; color: white; }
.expand-button { display: grid; place-items: center; justify-self: end; width: 32px; height: 32px; border: 0; border-radius: 6px; background: #fff9; color: var(--violet); }
.expand-button svg { width: 16px; height: 16px; }
.game-preview {
  display: grid;
  grid-template-columns: minmax(0, 2.75fr) minmax(230px, 1fr);
  overflow: hidden;
  border: 1px solid #70558f;
  border-radius: 8px;
  background: #251935;
  color: #fff;
}
.game-frame { position: relative; display: block; width: 100%; padding: 0; border: 0; aspect-ratio: 16 / 9; background: #1d142e; cursor: zoom-in; }
.game-frame:focus-visible { outline-offset: -5px; }
.game-frame img { width: 100%; height: 100%; object-fit: cover; }
.game-subtitle {
  position: absolute;
  left: 50%;
  bottom: 18px;
  width: max-content;
  max-width: calc(100% - 32px);
  transform: translateX(-50%);
  padding: 10px 17px;
  border: 1px solid #d3b8f1;
  border-radius: 6px;
  background: #1c132eea;
  color: #fff;
  font-size: clamp(12px, 1.3vw, 18px);
  line-height: 1.5;
}
.game-reading { align-self: center; padding: clamp(18px, 2.3vw, 34px); }
.game-reading-type { margin-bottom: 8px; color: var(--pink); font-size: 12px; }
.game-reading h3 { font-size: clamp(19px, 2vw, 29px); }
.game-reading dl { margin: 18px 0 0; }
.game-reading dt { padding-top: 12px; border-top: 1px solid #71588b; color: #d8c8e8; font-size: 11px; }
.game-reading dd { margin: 5px 0 13px; font-size: 14px; line-height: 1.7; }
.game-reading dd:last-child { margin-bottom: 0; color: var(--aqua); font-weight: 700; }

.features { padding-top: 48px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 19px; }
.feature-card { position: relative; min-width: 0; border: 1px solid var(--line); border-radius: 15px; background: white; padding: 26px; }
.feature-card h3 { margin-bottom: 10px; }
.feature-card p { color: var(--muted); font-size: 14px; line-height: 1.8; }
.feature-demo { grid-row: span 2; background: #efe7fd; border-color: #d5c2ef; }
.feature-icon { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 10px 3px 10px 3px; margin-bottom: 12px; background: #eee4ff; color: var(--violet); }
.feature-demo .feature-icon { background: #fff; }
.translation-demo { margin-top: 23px; overflow: hidden; border: 1px solid #cbb5ee; border-radius: 10px; background: #fff; }
.demo-topline { display: flex; justify-content: space-between; gap: 9px; padding: 12px 14px; color: #5e467f; background: #f9f4ff; font-size: 11px; }
.demo-topline i { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #8056c6; }
.selection-box { position: relative; margin: 23px 18px 18px; padding: 19px 9px; border: 1px dashed #b299d2; text-align: center; background: #f8f3ff; }
.selection-box p { color: #443354; font-size: clamp(13px, 1.38vw, 19px); }
.corner { position: absolute; width: 9px; height: 9px; border: solid #7647ba; }
.tl { top: -2px; left: -2px; border-width: 2px 0 0 2px; }
.tr { top: -2px; right: -2px; border-width: 2px 2px 0 0; }
.bl { bottom: -2px; left: -2px; border-width: 0 0 2px 2px; }
.br { bottom: -2px; right: -2px; border-width: 0 2px 2px 0; }
.selection-label { position: absolute; bottom: -9px; left: 50%; transform: translateX(-50%); padding: 2px 7px; background: #7148b2; color: white; font-size: 10px; white-space: nowrap; }
.demo-result { margin: 0 17px 12px; padding: 9px 12px; min-height: 90px; color: #56496a; border-radius: 6px; transition: background .2s; }
.demo-result > span { font-size: 11px; color: var(--violet); }
.demo-result p { margin-top: 3px; }
.demo-result.translated { background: #e6faf3; }
.demo-button { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 7px; padding: 12px 15px; border: 0; background: #68439e; color: #fff; font-size: 13px; }
.demo-button:hover { background: #523481; }
.demo-button svg { width: 17px; height: 17px; }
.compare-visual { display: grid; grid-template-columns: minmax(0,1fr) auto minmax(0,1fr); align-items: center; gap: 11px; margin-top: 17px; padding: 14px; border-radius: 9px; background: #f9f2fb; }
.compare-visual > div > span { color: #643d75; background: #eeddf3; border-radius: 4px; padding: 2px 7px; font-size: 10px; }
.compare-visual p { margin-top: 7px; font-size: 12px; color: #493953; }
.compare-arrow { color: var(--violet); font-size: 21px; }
.history-visual { margin-top: 17px; }
.history-visual > div { display: flex; align-items: center; gap: 11px; padding-block: 8px; border-top: 1px solid #efe7f9; }
.history-visual > div > span { font-size: 11px; color: #796990; }
.history-visual p { font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.history-visual svg { margin-left: auto; width: 13px; height: 13px; color: var(--violet); }
.feature-private { grid-column: span 2; display: grid; grid-template-columns: auto 1.2fr 1fr; align-items: center; gap: 0 15px; background: #edf9f5; border-color: #d2e9e3; }
.feature-private > .feature-icon { grid-row: span 2; align-self: start; background: #d7f0e8; color: #256659; }
.feature-private > h3 { grid-column: 2; margin-bottom: 5px; }
.feature-private > p { grid-column: 2; }
.private-visual { grid-area: 1 / 3 / span 2; display: flex; align-items: center; gap: 13px; padding-left: 21px; border-left: 1px solid #cfe4de; }
.privacy-seal { width: 50px; height: 50px; display: grid; place-items: center; flex-shrink: 0; border: 1px solid #a6d7c8; border-radius: 50%; background: #d9f3ea; color: #236354; }
.private-visual strong { display: block; margin-bottom: 6px; color: #245a4c; }
.private-visual > div > span { color: #406f61; font-size: 12px; }
.privacy-flower { margin-left: auto; color: #5eaa98; font-size: 30px; }

.guide-section { padding-block: 64px 43px; background: var(--panel); border-block: 1px solid var(--line); }
.center-heading { text-align: center; }
.center-heading p { margin-top: 10px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; margin-top: 29px; }
.steps article { padding: 21px; background: #fff; border: 1px solid #daccf1; border-radius: 10px; }
.step-number { display: flex; align-items: center; gap: 12px; margin-bottom: 13px; color: var(--violet); font-size: 26px; font-weight: 900; font-style: italic; }
.step-number > span { height: 1px; flex: 1; background: #e4d7f1; }
.steps article p { margin-block: 9px 14px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.step-tip, .step-link { min-height: 28px; display: flex; align-items: center; gap: 6px; color: var(--violet); font-size: 12px; }
.step-tip svg, .step-link svg { width: 16px; height: 16px; }
.step-tip kbd { border: 1px solid #d5c3ed; border-bottom-width: 2px; border-radius: 4px; padding: 3px 6px; background: #f6efff; font: 11px var(--sans); }
.step-tip b { font-weight: 400; }
.step-link { border: 0; background: transparent; padding: 0; font-weight: 700; }
.guide-footnote { text-align: center; margin-top: 18px; color: var(--muted); font-size: 12px; }

.faq-section { display: grid; grid-template-columns: 1fr 2fr; gap: 45px; border-top: 1px solid var(--line); }
.faq-heading p { margin-top: 13px; }
.faq-decoration { display: block; margin-top: 16px; width: max-content; color: #e7d8fb; font-size: 86px; line-height: 1; font-weight: 900; transform: rotate(-8deg); user-select: none; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 15px; list-style: none; padding-block: 17px; cursor: pointer; font-weight: 700; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary svg { width: 17px; height: 17px; color: var(--violet); }
.faq-list details[open] summary { color: var(--violet); }
.faq-list details[open] summary svg { transform: rotate(45deg); }
.faq-list details p { padding: 0 18px 17px 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.download-section { position: relative; isolation: isolate; overflow: hidden; background: #241539; color: #fff; }
.download-landscape { position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg,#241539 28%,#241539eb 54%,#24153992), url('assets/anime-hero.png') right 46% / auto 180% no-repeat; }
.download-content { display: flex; align-items: center; justify-content: space-between; gap: 26px; padding-block: 56px; }
.download-content .section-kicker { color: #ffd3e3; }
.download-content .section-kicker::before { color: var(--pink); }
.download-content p { color: #ebdef7; margin-top: 12px; font-size: 14px; }
.download-action { display: grid; justify-items: center; gap: 13px; }
.download-action > span { color: #f5e9ff; font-size: 11px; }
.site-footer { display: flex; align-items: center; gap: 21px; padding-block: 28px; color: var(--muted); font-size: 11px; }
.footer-brand .brand-name { font-size: 19px; color: var(--ink); }
.footer-brand .brand-name > span { color: var(--muted); font-size: 9px; }
.site-footer > p { margin-right: auto; }
.support-link, .back-top { color: var(--violet); white-space: nowrap; }
.company-info { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px 22px; padding-bottom: 23px; font-size: 11px; line-height: 1.7; color: var(--muted); }
.company-info[hidden], .company-info span:empty { display: none; }
.floating-support { position: fixed; z-index: 25; right: 19px; bottom: 23px; display: grid; justify-items: center; gap: 5px; padding: 10px 9px; border: 1px solid #cdb8ee; border-radius: 11px; color: #513485; background: #f5eeff; box-shadow: 3px 3px 0 #e3d1f6; font-size: 11px; }
.floating-support:hover { background: #eaddfc; }
.toast { position: fixed; z-index: 100; left: 50%; bottom: 30px; transform: translate(-50%,10px); padding: 12px 18px; border-radius: 7px; background: #271939; color: white; opacity: 0; pointer-events: none; transition: opacity .18s, transform .18s; }
.toast.show { opacity: 1; transform: translate(-50%,0); }
.preview-dialog { width: min(1440px,92vw); max-width: 92vw; max-height: 94vh; padding: 0; border: 0; overflow: visible; background: transparent; color: #fff; }
.preview-dialog::backdrop { background: #170e27db; backdrop-filter: blur(5px); }
.preview-dialog > img { width: 100%; max-height: 84vh; object-fit: contain; }
.preview-dialog > p { margin-top: 8px; text-align: center; }
.dialog-close { position: absolute; top: -13px; right: -13px; width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid #d6c5ed; border-radius: 50%; background: #faf4ff; color: var(--violet); }
.dialog-close svg { width: 17px; height: 17px; }

@media (max-width: 1000px) {
  .container, .nav-shell { width: calc(100% - 50px); }
  .hero-inner { gap: 23px; }
  .hero { padding-block: 43px 48px; }
  .section { padding-block: 55px; }
  .feature-card { padding: 19px; }
  .benefit-strip > div { font-size: 12px; }
  .site-footer > p { display: none; }
  .site-footer > .support-link { margin-left: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
