@charset "UTF-8";

:root {
  --bg: #111111;
  --bg-2: #171717;
  --panel: #1C1C1C;
  --panel-2: #222222;
  --line: #2A2A2A;
  --ink: #F5F1E6;
  --muted: #A6A29A;
  --accent: #FACC15;
  --accent-ink: #1A1500;
  --accent-deep: #A16207;
  --shell: 1160px;
  --header-height: 70px;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { 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;
  overflow-wrap: anywhere;
}
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: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  padding: 4px 11px;
  border-radius: 4px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 1.6px;
  line-height: 1.5;
}

/* header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  border-bottom: 1px solid var(--line);
  background: rgba(17, 17, 17, .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: 18px;
}
.brand { display: inline-flex; align-items: center; flex: 0 1 auto; min-width: 0; gap: 9px; font-size: 19px; font-weight: 900; letter-spacing: .2px; }
.brand span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand img { width: 36px; height: 36px; border-radius: 9px; object-fit: contain; background: #1F1F1F; }
.brand-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 19px;
  height: 19px;
  border-radius: 4px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
  transform: rotate(-6deg);
}
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; align-items: center; gap: clamp(10px, 1.7vw, 24px); padding: 0; margin: 0; list-style: none; }
.primary-nav a { display: block; padding: 7px 0; color: #B7B2A8; font-size: 13px; font-weight: 700; border-bottom: 2px solid transparent; }
.primary-nav a:hover { border-bottom-color: var(--accent); color: var(--accent); }
.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 17px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 13px;
  font-weight: 900;
  white-space: nowrap;
  transition: background .18s ease, color .18s ease;
}
.nav-download:hover { background: transparent; color: var(--accent); }
.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: 8px; 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: 3px solid var(--accent);
  background:
    radial-gradient(560px 380px at 92% 8%, rgba(250, 204, 21, .16), transparent 70%),
    linear-gradient(180deg, #191919 0%, var(--bg) 72%);
}
.hero::before {
  position: absolute;
  top: -40px;
  right: -60px;
  width: 260px;
  height: 260px;
  border: 26px solid rgba(250, 204, 21, .07);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  align-items: center;
  gap: clamp(20px, 4vw, 48px);
  padding: 46px 0 40px;
}
.hero-copy { position: relative; min-width: 0; padding-top: 26px; }
.sticker {
  position: absolute;
  top: -8px;
  left: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: 1px;
  transform: rotate(-12deg);
  box-shadow: 0 8px 20px rgba(250, 204, 21, .25);
}
.hero-kicker { margin: 0 0 10px; padding-left: 74px; color: var(--accent); font-family: var(--mono); font-size: 11.5px; letter-spacing: 1.6px; }
.hero h1 {
  margin: 0;
  font-size: clamp(36px, 4.8vw, 62px);
  font-weight: 900;
  letter-spacing: -1.4px;
  line-height: 1.08;
}
.hero-subtitle {
  display: inline-block;
  margin: 14px 0 0;
  padding: 4px 12px;
  border-radius: 4px;
  background: rgba(250, 204, 21, .14);
  color: var(--accent);
  font-size: clamp(17px, 1.9vw, 22px);
  font-weight: 800;
  line-height: 1.45;
}
.hero-lead { max-width: 470px; margin: 13px 0 0; color: var(--muted); font-size: 14.5px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 22px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  gap: 14px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 900;
  transition: transform .18s ease, background .18s ease, color .18s ease;
}
.button-primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 12px 26px rgba(250, 204, 21, .18); }
.button-primary:hover { background: #FDE047; transform: translateY(-2px); }
.button-large { min-height: 54px; padding: 0 30px; font-size: 15px; }
.text-link { color: #D8D3C6; border-bottom: 1px dashed #46433B; font-size: 13px; font-weight: 800; }
.text-link span { display: inline-block; margin-left: 5px; color: var(--accent); }

.episode-strip { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; margin-top: 24px; }
.ep-load, .ep-label { color: #8C887F; font-family: var(--mono); font-size: 10.5px; letter-spacing: 1px; margin-right: 4px; }
.episode-strip b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 27px;
  height: 24px;
  padding: 0 4px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #181818;
  color: #B7B2A8;
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 700;
}
.episode-strip b:nth-child(4) { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); }

.cover-stack { position: relative; height: 372px; }
.cover {
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 168px;
  height: 284px;
  padding: 14px 13px 16px;
  border: 1px solid rgba(250, 204, 21, .35);
  border-radius: 10px;
  color: #FFF7DA;
  box-shadow: 0 20px 40px rgba(0, 0, 0, .5);
}
.cover span { align-self: flex-start; padding: 2px 8px; border-radius: 3px; background: rgba(0, 0, 0, .5); font-size: 10.5px; letter-spacing: 1px; }
.cover b { font-family: var(--mono); font-size: 11px; letter-spacing: 1px; }
.cover-c b { align-self: flex-end; }
.cover-a { top: 46px; left: 6%; z-index: 1; background: linear-gradient(165deg, #3B2A0E, #1A1408 68%); transform: rotate(-9deg); }
.cover-b { top: 22px; left: 34%; z-index: 3; background: linear-gradient(165deg, #4A3A11, #221A08 68%); transform: rotate(2deg); }
.cover-c { top: 58px; left: 62%; z-index: 2; background: linear-gradient(165deg, #55400C, #191305 68%); transform: rotate(11deg); }
.cover-b::after {
  position: absolute;
  right: 11px;
  bottom: 42px;
  padding: 2px 7px;
  border-radius: 3px;
  content: "连播中";
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 10px;
  font-weight: 900;
}

/* features */
.features { padding: 72px 0 76px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.section-heading { margin-bottom: 30px; }
.section-heading h2, .download h2 { margin: 0; font-size: clamp(23px, 2.7vw, 33px); font-weight: 900; letter-spacing: -.5px; line-height: 1.34; }
.section-heading > p:last-child { max-width: 620px; margin: 11px 0 0; color: var(--muted); font-size: 14px; }
.feature-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); grid-template-rows: repeat(3, minmax(0, auto)); gap: 12px; }
.feature-card { padding: 22px 22px 24px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.feature-main {
  grid-row: span 3;
  padding: 28px 26px;
  border-color: #3A3413;
  background: linear-gradient(165deg, rgba(250, 204, 21, .1), transparent 56%), var(--panel);
}
.feature-no { display: block; margin-bottom: 9px; color: var(--accent); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 1.6px; }
.feature-card h3 { margin: 0 0 7px; font-size: 17px; font-weight: 900; }
.feature-main h3 { font-size: 21px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 12.9px; line-height: 1.84; }
.feature-main p + p { margin-top: 11px; }
.feature-side { display: flex; flex-direction: column; justify-content: center; }
.feature-side h3 { font-size: 15.5px; }

/* shots */
.shots { padding: 72px 0 78px; }
.shot-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.shot-card { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.shot-card img { width: 100%; height: 380px; object-fit: cover; object-position: center top; }
.shot-card figcaption { display: flex; align-items: center; gap: 10px; padding: 12px 14px 13px; border-top: 2px solid var(--accent); }
.shot-card figcaption b { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 22px; border-radius: 3px; background: var(--accent); color: var(--accent-ink); font-family: var(--mono); font-size: 10px; }
.shot-card figcaption span { display: flex; flex-direction: column; font-size: 13.5px; font-weight: 800; line-height: 1.4; }
.shot-card figcaption small { color: var(--muted); font-size: 10.5px; font-weight: 500; }

/* faq */
.faq { padding: 72px 0 78px; border-top: 1px solid var(--line); background: var(--bg-2); }
.faq-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr); gap: clamp(22px, 4vw, 46px); }
.faq-heading { align-self: start; }
.faq-list { border-top: 2px solid var(--accent); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 4px; 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: 21px; height: 21px; background: rgba(250, 204, 21, .14); border-radius: 3px; }
.faq-list summary i::before,
.faq-list summary i::after { position: absolute; top: 50%; left: 50%; width: 9px; height: 1.6px; content: ""; background: var(--accent); 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 16px 4px; margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.86; }

/* reviews */
.reviews { padding: 72px 0 78px; }
.review-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 0; list-style: none; }
.review-card { padding: 16px 18px 17px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.review-card:nth-child(odd) { background: linear-gradient(160deg, rgba(250, 204, 21, .07), transparent 62%), var(--panel); }
.review-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 6px; padding-bottom: 7px; border-bottom: 1px dashed #332F26; }
.review-meta b { color: var(--accent); font-size: 13px; font-weight: 900; }
.review-meta time { color: #857F74; font-family: var(--mono); font-size: 10px; }
.review-card p { margin: 0; color: #CFCABD; font-size: 13px; line-height: 1.74; }

/* steps */
.steps { padding: 70px 0 76px; border-top: 1px solid var(--line); background: var(--bg-2); }
.step-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; padding: 0; margin: 0; list-style: none; }
.step-list li { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 4px 12px; padding: 18px 18px 20px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.step-list span { grid-row: span 2; display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-family: var(--mono); font-size: 13px; font-weight: 700; }
.step-list h3 { margin: 3px 0 2px; font-size: 15.5px; font-weight: 900; }
.step-list p { margin: 0; color: var(--muted); font-size: 12.6px; line-height: 1.7; }

/* download */
.download { padding: 30px 0; }
.download-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 30px;
  padding: 44px clamp(22px, 5vw, 52px);
  border: 1px solid #3F3813;
  border-radius: 10px;
  background:
    radial-gradient(400px 220px at 100% 0%, rgba(250, 204, 21, .16), transparent 72%),
    linear-gradient(120deg, #1E1A0C, #171717 76%);
}
.download-act { display: flex; flex-direction: column; align-items: center; gap: 9px; }
.act-note { margin: 0; color: #8E887B; font-size: 11.5px; }
.download-copy { min-width: 0; }
.download h2 { max-width: 560px; }
.download-copy > p { max-width: 540px; margin: 11px 0 0; color: #B3ADA0; font-size: 14px; }
.download-notes { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 0; margin: 18px 0 0; list-style: none; }
.download-notes li { color: #A79F8B; font-family: var(--mono); font-size: 11px; }
.download-notes li::before { margin-right: 7px; content: "▪"; color: var(--accent); }

/* footer */
.site-footer { padding: 40px 0 48px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px 40px; align-items: start; }
.footer-brand strong { font-size: 17px; 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: #B7B2A8; font-size: 12px; }
.footer-nav a:hover { color: var(--accent); }
.footer-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin-top: 20px; padding-top: 16px; 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: #85807A; font-size: 11.5px; line-height: 1.8; }

/* responsive */
@media (max-width: 1000px) {
  .hero h1 { font-size: clamp(32px, 4.6vw, 48px); }
  .cover-stack { height: 330px; }
  .cover { width: 146px; height: 246px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-main { grid-column: 1 / -1; grid-row: auto; }
}
@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(0, 0, 0, .6);
  }
  .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: 36px 0 34px; }
  .cover-stack { height: 316px; order: 2; }
  .cover { width: 152px; height: 258px; }
  .faq-layout { grid-template-columns: 1fr; }
  .download-inner { grid-template-columns: 1fr; gap: 22px; }
  .download-act { align-items: flex-start; }
}
@media (max-width: 768px) {
  .feature-grid { grid-template-columns: 1fr; }
  .shot-card img { height: 320px; }
  .review-list { grid-template-columns: 1fr; }
  .step-list { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .page-shell, .nav-shell { width: calc(100% - 32px); }
  .nav-shell { gap: 9px; }
  .brand { font-size: 15px; gap: 6px; }
  .brand img { width: 30px; height: 30px; }
  .nav-download { min-height: 36px; padding: 0 9px; font-size: 11px; gap: 4px; }
  .nav-download svg { width: 13px; height: 13px; }
  .menu-toggle { width: 36px; height: 36px; }
  .hero h1 { font-size: clamp(28px, 8.6vw, 38px); letter-spacing: -.8px; }
  .hero-kicker { padding-left: 0; margin-top: 46px; }
  .sticker { width: 52px; height: 52px; font-size: 13px; }
  .hero-actions .button { width: 100%; }
  .cover-stack { height: 316px; }
  .cover { width: 122px; height: 208px; padding: 11px 10px 13px; }
  .cover-a { left: 2%; transform: rotate(-7deg); }
  .cover-b { left: 30%; transform: rotate(1deg); }
  .cover-c { left: 57%; top: 50px; transform: rotate(7deg); }
  .shot-grid { grid-template-columns: 1fr; }
  .shot-card img { height: 300px; }
  .download-act .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 380px) {
  .brand { font-size: 13px; gap: 5px; }
  .brand img { width: 26px; height: 26px; }
  .brand-tag { display: none; }
  .nav-actions { gap: 5px; }
  .nav-download { min-height: 32px; padding: 0 7px; font-size: 9.5px; gap: 3px; }
  .nav-download svg { width: 11px; height: 11px; }
  .menu-toggle { width: 32px; height: 32px; }
  .hero h1 { font-size: 26px; }
  .hero-subtitle { font-size: 15px; }
  .episode-strip b { min-width: 23px; height: 21px; font-size: 9.5px; }
  .cover-stack { height: 270px; }
  .cover { width: 104px; height: 180px; }
  .cover-c { top: 44px; }
  .cover span { font-size: 9.5px; padding: 1px 6px; }
  .shot-card img { height: 250px; }
}