:root {
  color-scheme: light;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: #f6f7f9;
  color: #15171a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; background: var(--page-bg); color: var(--text); }
a { color: inherit; }
img { display: block; max-width: 100%; }

.site {
  --accent: #1296db;
  --accent-2: #f59e0b;
  --page-bg: #f5f7fa;
  --surface: #ffffff;
  --surface-2: #eef4fb;
  --text: #17202a;
  --muted: #667085;
  --line: rgba(23, 32, 42, 0.13);
  --shadow: 0 22px 70px rgba(18, 30, 50, 0.12);
}

.site-jiejie { --accent: #ffd100; --accent-2: #111111; --page-bg: #f6f7f9; --surface-2: #fff5b8; --text: #111111; --muted: #565b64; --line: rgba(17,17,17,0.14); }
.site-watermark { color-scheme: dark; --accent: #fe2c55; --accent-2: #00f5ff; --page-bg: #050505; --surface: #111111; --surface-2: #181818; --text: #f8f8f8; --muted: #b8b8b8; --line: rgba(255,255,255,0.13); --shadow: 0 24px 90px rgba(0,0,0,0.46); }
.site-tuantuan { --accent: #ff2442; --accent-2: #111111; --page-bg: #fff7f8; --surface-2: #ffecef; --text: #191216; --muted: #75636a; --line: rgba(255,36,66,0.18); }
.site-vocal-separation { --page-bg: #f7f6fb; --surface-2: #f0edf8; --text: #201c2b; --muted: #6c6578; --line: rgba(83, 63, 133, 0.16); }
.site-video-remix { --page-bg: #f4f7fa; --surface-2: #eaf2f5; --text: #17212c; --muted: #62707c; --line: rgba(37, 80, 128, 0.16); }
.site-dubbing { --page-bg: #f7f8fa; --surface-2: #edf3f8; --text: #18202a; --muted: #66717d; --line: rgba(45, 91, 137, 0.16); }

.site-header, .site-footer, main {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-2);
  font-size: 18px;
}

.site-watermark .brand-mark { color: #ffffff; text-shadow: 1px 0 var(--accent-2); }
.site-header nav { display: flex; align-items: center; justify-content: flex-end; gap: 16px; flex-wrap: wrap; font-size: 14px; color: var(--muted); }
.site-header nav a { text-decoration: none; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: var(--text); outline: none; }

.hero {
  min-height: calc(100vh - 74px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(310px, 0.95fr);
  align-items: center;
  gap: 56px;
  padding: 34px 0 76px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

h1, h2, p { overflow-wrap: anywhere; }
h1 { margin: 0; max-width: 760px; font-size: clamp(48px, 8vw, 92px); line-height: 0.98; letter-spacing: 0; }
h2 { margin: 0; font-size: clamp(30px, 4.8vw, 52px); line-height: 1.08; letter-spacing: 0; }
.hero-line { margin: 20px 0 0; max-width: 680px; font-size: clamp(22px, 3vw, 34px); line-height: 1.25; font-weight: 800; }
.hero-desc, .section-head p, .scan-copy p, .content-page > p { color: var(--muted); font-size: 17px; line-height: 1.8; }
.hero-desc { max-width: 700px; margin: 18px 0 0; }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.primary-link, .secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}
.primary-link { background: var(--accent); color: var(--accent-2); }
.site-yaochi .primary-link, .site-watermark .primary-link, .site-tuantuan .primary-link,
.site-vocal-separation .primary-link, .site-video-remix .primary-link, .site-dubbing .primary-link { color: #fff; }
.secondary-link { border: 1px solid var(--line); color: var(--text); background: color-mix(in srgb, var(--surface) 72%, transparent); }

.hero-qr-card {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  max-width: 360px;
  margin: 18px 0 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 14px 34px rgba(18, 30, 50, 0.1);
}

.hero-qr-card img {
  width: 136px;
  height: 136px;
  object-fit: contain;
  border-radius: 6px;
}

.hero-qr-card figcaption {
  display: grid;
  gap: 6px;
  text-align: left;
}

.hero-qr-card strong {
  color: var(--text);
  font-size: 18px;
  line-height: 1.2;
}

.hero-qr-card span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.product-showcase-stage {
  display: grid;
  place-items: center;
  min-height: 700px;
}

.product-showcase-frame {
  position: relative;
  width: min(390px, 100%);
  padding: 12px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, rgba(120, 128, 140, 0.22));
  border-radius: 24px;
  background: color-mix(in srgb, #ffffff 94%, var(--accent) 6%);
  box-shadow: 0 26px 70px rgba(22, 31, 47, 0.15), 0 2px 10px rgba(22, 31, 47, 0.07);
}

.product-screen-scroll {
  width: 100%;
  height: auto;
  max-height: 780px;
  max-height: min(780px, calc(100vh - 48px));
  max-height: min(780px, calc(100dvh - 48px));
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior-y: auto;
  touch-action: pan-y;
  border: 1px solid rgba(23, 32, 42, 0.08);
  border-radius: 15px;
  background: #ffffff;
  scrollbar-color: rgba(0, 0, 0, 0.32) transparent;
  scrollbar-width: thin;
}

.product-screen-scroll:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -4px;
}

.product-screen-scroll img {
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
}



.section { padding: 84px 0; border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.7fr); gap: 34px; align-items: end; margin-bottom: 28px; }
.section-head p { margin: 0; }
.section-head .eyebrow { grid-column: 1 / -1; margin-bottom: -20px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature-card, .faq-grid article {
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
}
.feature-card { overflow: hidden; }
.faq-grid article { min-height: 150px; padding: 20px; }
.feature-card-image {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}
.feature-card-copy { min-height: 150px; padding: 20px; }
.feature-card strong, .faq-grid strong { display: block; font-size: 20px; margin-bottom: 10px; }
.feature-card p, .faq-grid p { margin: 0; color: var(--muted); line-height: 1.7; font-size: 15px; }

.capability-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}
.capability-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 20px;
  min-height: 142px;
  padding: 26px 24px;
  border-bottom: 1px solid var(--line);
}
.capability-item:nth-child(odd) { border-right: 1px solid var(--line); }
.capability-category {
  align-self: start;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
}
.capability-item strong { display: block; margin-bottom: 8px; font-size: 20px; }
.capability-item p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.7; }

.secondary-showcase {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 390px);
  gap: 56px;
  align-items: center;
}
.secondary-showcase-copy h2 { margin: 0; font-size: 32px; line-height: 1.15; }
.secondary-showcase-copy > p:last-child { max-width: 560px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.product-showcase-frame-secondary { width: min(350px, 100%); justify-self: end; }

.scene-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.scene-list p {
  min-height: 120px;
  margin: 0;
  padding: 18px;
  border-left: 6px solid var(--accent);
  background: var(--surface-2);
  border-radius: 8px;
  line-height: 1.75;
  font-weight: 700;
}

.community-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}
.community-heading h2 { margin: 8px 0 0; }
.community-heading .eyebrow { margin: 0; }
.community-count {
  flex: 0 0 auto;
  padding-bottom: 7px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}
.community-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}
.community-article { border-bottom: 1px solid var(--line); }
.community-article-link {
  display: flex;
  align-items: center;
  min-height: 64px;
  padding: 13px 4px;
  color: var(--text);
  font-size: 18px;
  font-weight: 750;
  line-height: 1.55;
  text-decoration: none;
  overflow-wrap: anywhere;
}
.community-article-link:hover { color: var(--accent); }
.community-article-link:focus-visible {
  color: var(--accent);
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.community-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 26px;
}
.community-pagination[hidden] { display: none; }
.community-page-button {
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 750;
  cursor: pointer;
}
.community-page-direction { min-width: 72px; }
.community-page-button:hover:not(:disabled),
.community-page-button:focus-visible,
.community-page-button[aria-current="page"] {
  border-color: var(--accent);
  color: var(--accent);
  outline: none;
}
.community-page-button[aria-current="page"] { background: var(--surface-2); }
.community-page-button:disabled { cursor: default; opacity: 0.42; }
.community-page-ellipsis { min-width: 24px; color: var(--muted); text-align: center; }
.community-empty {
  margin: 0;
  padding: 28px 4px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  line-height: 1.6;
}
.community-empty[hidden] { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.content-page .section-community { margin-top: 54px; padding-bottom: 0; }

.section-scan {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 28px;
  align-items: center;
}
.scan-copy h2 { max-width: 760px; }
.qr-box {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-align: center;
}
.qr-box img { width: 100%; aspect-ratio: 1; object-fit: contain; border-radius: 6px; }
.qr-box figcaption { margin-top: 10px; color: var(--muted); font-size: 14px; }

.faq-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.content-page { max-width: 960px; padding: 72px 0; }
.content-page > h1 { font-size: clamp(38px, 6vw, 68px); }
.content-page > p { max-width: 760px; }
.content-page > .eyebrow { color: var(--accent); font-size: 13px; line-height: 1.4; }
.content-page > .hero-qr-card { margin: 24px 0 28px; }
.content-page .section { padding: 64px 0; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 34px 0 46px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}
.site-footer strong, .site-footer span { display: block; }
.site-footer strong { color: var(--text); margin-bottom: 6px; }
.footer-links { display: flex; justify-content: flex-end; gap: 12px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .site-header nav { justify-content: flex-start; gap: 14px; }
  .hero { grid-template-columns: 1fr; min-height: 0; gap: 26px; padding-top: 30px; }
  .product-showcase-stage { min-height: 0; }
  .product-showcase-frame { width: min(390px, 100%); }
  .section-head, .section-scan { grid-template-columns: 1fr; }
  .secondary-showcase { grid-template-columns: 1fr; gap: 28px; }
  .product-showcase-frame-secondary { justify-self: center; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scene-list, .faq-grid { grid-template-columns: 1fr; }
  .qr-box { max-width: 260px; }
  .site-footer { flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 520px) {
  .site-header, .site-footer, main { width: min(100% - 28px, 1160px); }
  h1 { font-size: 44px; }
  .hero-line { font-size: 22px; }
  .hero-desc, .section-head p, .scan-copy p, .content-page > p { font-size: 16px; }
  .content-page { padding: 42px 0 60px; }
  .content-page > h1 { font-size: 36px; }
  .section { padding: 60px 0; }
  .community-heading { align-items: start; }
  .community-article-link { min-height: 56px; font-size: 16px; }
  .community-pagination { justify-content: flex-start; }
  .hero-qr-card {
    display: flex;
    max-width: none;
  }
  .product-showcase-frame { width: min(360px, 100%); }
  .feature-grid { grid-template-columns: 1fr; }
  .capability-list { grid-template-columns: 1fr; }
  .capability-item { grid-template-columns: 82px minmax(0, 1fr); min-height: 0; padding: 22px 0; }
  .capability-item:nth-child(odd) { border-right: 0; }
}