/* ==========================================================================
   168qun.com — mjbotapp 内页（黑胶唱片 / A 面 B 面）
   米纸底 / 墨黑 / 橙色标签 / 曲目行与唱片；不与其他页共用骨架。
   ========================================================================== */

.page-mjbotapp {
  --m-bg: #f4ecdc;
  --m-bg-2: #ece1cd;
  --m-card: #fffaf0;
  --m-ink: #1b1a17;
  --m-muted: #6f6250;
  --m-orange: #c2562a;
  --m-orange-2: #9e3f1a;
  --m-line: rgba(27, 26, 23, .18);
  --m-line-soft: rgba(27, 26, 23, .09);
  background: var(--m-bg);
  color: var(--m-ink);
}
.page-mjbotapp .site-footer { background: #14110c; }

/* ---------- Hero ---------- */
.lp-hero {
  padding: 24px 0 60px;
  border-bottom: 1px solid var(--m-line);
  background:
    radial-gradient(circle at 84% 24%, rgba(194, 86, 42, .08), transparent 44%),
    var(--m-bg);
}
.lp-crumb { padding-bottom: 28px; color: var(--m-muted); }
.lp-crumb span:last-child { color: var(--m-orange); opacity: 1; }
.lp-hero-grid {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 52px;
  align-items: center;
}
.lp-kicker {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2.6px;
  color: var(--m-orange);
}
.lp-hero h1 {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: clamp(40px, 5vw, 66px);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -2.4px;
  color: var(--m-ink);
}
.lp-hero h1 em {
  display: block;
  margin-top: 16px;
  font-family: var(--font);
  font-style: normal;
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 400;
  letter-spacing: 0;
  color: var(--m-muted);
}
.lp-lead {
  margin-top: 20px;
  max-width: 540px;
  font-size: 15px;
  line-height: 2.05;
  color: #4f4335;
}
.lp-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.lp-actions .btn-primary { background: var(--m-orange); color: #fff8f0; border-radius: 2px; box-shadow: 0 12px 26px rgba(194, 86, 42, .2); }
.lp-actions .btn-primary:hover { background: var(--m-orange-2); }
.lp-actions .btn-room { border-radius: 2px; color: var(--m-ink); border-color: var(--m-line); }
.lp-actions .btn-room b { color: var(--m-orange); }
.lp-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 24px; font-family: var(--mono); font-size: 9.5px; letter-spacing: 1.2px; color: #8a7357; }
.lp-figure {
  padding: 9px;
  background: var(--m-card);
  border: 1px solid var(--m-line);
  box-shadow: 0 26px 52px rgba(70, 50, 25, .16);
}
.lp-figure img { width: 100%; }
.lp-figure figcaption {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-top: 8px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 1.8px;
  color: #8a7357;
}

/* ---------- 曲目条 ---------- */
.lp-strip { background: var(--m-ink); color: #ece2cf; padding: 15px 0; }
.lp-strip-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.lp-strip-inner span { font-family: var(--mono); font-size: 10.5px; color: #c9bda7; }
.lp-strip-inner b { color: var(--m-orange); margin-right: 6px; }

/* ---------- section ---------- */
.lp-section { padding: 72px 0; }
.lp-section + .lp-section { border-top: 1px solid var(--m-line); }
.lp-section.is-cream { background: var(--m-bg-2); }
.lp-section .container.narrow { max-width: 900px; }
.lp-head { max-width: 760px; margin-bottom: 34px; }
.lp-head h2 {
  margin-top: 10px;
  font-family: var(--serif);
  font-size: clamp(26px, 3vw, 37px);
  line-height: 1.34;
  font-weight: 700;
  color: var(--m-ink);
}
.lp-note { margin-top: 14px; font-size: 12px; color: #8a7357; }

/* ---------- 是什么 ---------- */
.lp-what-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.lp-what-grid h2 { margin-top: 10px; font-family: var(--serif); font-size: clamp(26px, 3vw, 37px); font-weight: 700; }
.lp-what-grid > div > p { margin-top: 14px; font-size: 14px; line-height: 2.05; color: #4f4335; }
.lp-facts { border-top: 2px solid var(--m-ink); }
.lp-facts > div { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--m-line); align-items: baseline; }
.lp-facts b { flex: none; width: 28px; font-family: var(--mono); font-size: 10px; color: var(--m-orange); }
.lp-facts h3 { flex: none; width: 60px; font-size: 15px; font-weight: 800; }
.lp-facts p { font-size: 12.5px; color: var(--m-muted); }

/* ---------- A 面 ---------- */
.tracklist { border-top: 2px solid var(--m-ink); }
.tracklist li { display: grid; grid-template-columns: 54px 1fr 64px; gap: 18px; align-items: baseline; padding: 17px 0; border-bottom: 1px solid var(--m-line); transition: padding .2s, background .2s; }
.tracklist li:hover { padding-left: 10px; background: rgba(194, 86, 42, .04); }
.tracklist b { font-family: var(--mono); font-size: 11px; color: var(--m-orange); }
.tracklist h3 { font-family: var(--serif); font-size: 18px; font-weight: 700; }
.tracklist p { margin-top: 3px; font-size: 12.5px; line-height: 1.9; color: var(--m-muted); }
.tracklist em { font-style: normal; font-family: var(--mono); font-size: 10px; color: #8a7357; text-align: right; }

/* ---------- B 面 ---------- */
.lp-sideb-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.lp-sideb-grid h2 { margin-top: 10px; font-family: var(--serif); font-size: clamp(26px, 3vw, 37px); font-weight: 700; }
.lp-sideb-grid > div > p { margin-top: 14px; font-size: 14px; line-height: 2.05; color: #4f4335; }
.sideb-list { border-top: 1px solid var(--m-line); }
.sideb-list li { display: flex; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--m-line); }
.sideb-list b { flex: none; width: 30px; font-family: var(--mono); font-size: 10px; color: var(--m-orange); padding-top: 2px; }
.sideb-list h3 { font-size: 15.5px; font-weight: 800; }
.sideb-list p { margin-top: 2px; font-size: 12.5px; color: var(--m-muted); }

/* ---------- 标签 ---------- */
.label-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: center; }
.label-disc {
  position: relative;
  width: 300px;
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, #242320, #0e0d0c 70%);
  box-shadow: 0 24px 50px rgba(50, 35, 20, .3);
}
.disc-ring {
  position: absolute;
  inset: 18px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, .08);
  box-shadow: inset 0 0 0 18px rgba(255, 255, 255, .015), inset 0 0 0 38px rgba(255, 255, 255, .015), inset 0 0 0 58px rgba(255, 255, 255, .015);
}
.disc-label {
  position: absolute;
  inset: 34%;
  border-radius: 50%;
  background: var(--m-orange);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: #1b1305;
}
.disc-label span { font-family: Georgia, serif; font-size: 20px; }
.disc-label b { font-family: var(--mono); font-size: 8px; letter-spacing: 1.2px; }
.disc-label em { font-style: normal; font-family: var(--mono); font-size: 7px; }
.label-list { border-top: 2px solid var(--m-ink); }
.label-list > div { display: grid; grid-template-columns: 110px 1fr; gap: 18px; padding: 13px 0; border-bottom: 1px solid var(--m-line); }
.label-list dt { font-family: var(--mono); font-size: 10px; letter-spacing: 1.2px; color: var(--m-orange); }
.label-list dd { font-size: 12.5px; line-height: 1.9; color: var(--m-muted); }

/* ---------- 版本 ---------- */
.version-row { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 2px solid var(--m-ink); }
.version-row > div { position: relative; padding: 22px 20px 0 0; }
.version-row > div::before { content: ""; position: absolute; left: 0; top: -5px; width: 8px; height: 8px; border-radius: 50%; background: var(--m-bg); border: 2px solid var(--m-orange); }
.version-row > div + div { padding-left: 20px; }
.version-row span { font-family: var(--mono); font-size: 11px; color: var(--m-orange); }
.version-row h3 { margin-top: 6px; font-family: var(--serif); font-size: 17px; font-weight: 700; }
.version-row p { margin-top: 5px; font-size: 12.5px; line-height: 1.9; color: var(--m-muted); }

/* ---------- 对比 ---------- */
.cmp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.cmp-grid article { padding: 26px 24px; background: var(--m-card); border: 1px solid var(--m-line); border-top: 4px solid #b9ab94; }
.cmp-grid article.is-app { border-top-color: var(--m-orange); }
.cmp-grid span { font-family: var(--mono); font-size: 9px; letter-spacing: 2px; color: #8a7357; }
.cmp-grid h3 { margin-top: 8px; font-family: var(--serif); font-size: 22px; font-weight: 700; }
.cmp-grid ul { margin-top: 12px; }
.cmp-grid li { position: relative; padding: 5px 0 5px 14px; font-size: 12.5px; color: var(--m-muted); }
.cmp-grid li::before { content: "·"; position: absolute; left: 0; color: var(--m-orange); font-weight: 700; }

/* ---------- 安装 ---------- */
.install-steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--m-line); }
.install-steps li { position: relative; padding: 22px 18px 0 0; }
.install-steps li::before { content: ""; position: absolute; left: 0; top: -4px; width: 7px; height: 7px; background: var(--m-orange); }
.install-steps li + li { padding-left: 18px; border-left: 1px solid var(--m-line); }
.install-steps span { font-family: var(--mono); font-size: 10px; letter-spacing: 1.6px; color: var(--m-orange); }
.install-steps h3 { margin-top: 7px; font-size: 16.5px; font-weight: 800; }
.install-steps p { margin-top: 5px; font-size: 12.5px; line-height: 1.9; color: var(--m-muted); }

/* ---------- 排查 ---------- */
.trouble-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.trouble-grid article { padding: 22px; background: var(--m-card); border: 1px solid var(--m-line); border-left: 3px solid var(--m-orange); }
.trouble-grid h3 { font-size: 16px; font-weight: 800; }
.trouble-grid p { margin-top: 5px; font-size: 12.5px; line-height: 1.9; color: var(--m-muted); }

/* ---------- 折叠 ---------- */
.page-mjbotapp .acc-trigger { font-family: var(--serif); font-size: 16px; font-weight: 600; }
.page-mjbotapp .acc-panel p { font-size: 13px; line-height: 1.95; }
.page-mjbotapp .acc-item.is-open .acc-trigger::after { color: var(--m-orange); }

/* ---------- 安全 ---------- */
.lp-safe { padding: 50px 0; background: var(--m-ink); color: #e9dfcc; }
.lp-safe-inner { display: grid; grid-template-columns: .85fr 1.15fr; gap: 46px; align-items: start; }
.lp-safe h2 { margin-top: 10px; font-family: var(--serif); font-size: clamp(23px, 2.7vw, 31px); font-weight: 700; color: #fff; }
.lp-safe p { font-size: 13.5px; line-height: 2; color: #b8a98f; }
.lp-safe .lp-kicker { color: var(--m-orange); }

/* ---------- 相关 ---------- */
.lp-rel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--m-line); border: 1px solid var(--m-line); }
.lp-rel-grid a { padding: 20px 22px; background: var(--m-card); transition: background .2s; }
.lp-rel-grid a:hover { background: #fff; }
.lp-rel-grid span { font-family: var(--mono); font-size: 9px; letter-spacing: 2px; color: #8a7357; }
.lp-rel-grid h3 { margin-top: 7px; font-family: var(--serif); font-size: 17px; font-weight: 700; }
.lp-rel-grid p { margin-top: 4px; font-size: 12px; color: var(--m-muted); }

/* ---------- CTA ---------- */
.lp-cta { padding: 60px 0; background: var(--m-orange); color: #fff6ec; }
.lp-cta-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px; }
.lp-cta h2 { margin-top: 10px; font-family: var(--serif); font-size: clamp(24px, 3vw, 35px); font-weight: 700; color: #fff; }
.lp-cta p { margin-top: 10px; max-width: 560px; font-size: 13.5px; color: #ffd9c8; }
.lp-cta p strong { color: #fff; }
.lp-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.lp-cta-actions .btn-primary { background: #fff; color: var(--m-orange); border-radius: 2px; box-shadow: none; }
.lp-cta-actions .btn-room { border-radius: 2px; color: #fff; border-color: rgba(255, 255, 255, .5); }
.lp-cta-actions .btn-room b { color: #fff; }
.lp-cta .lp-kicker { color: #ffd9c8; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .lp-hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .lp-figure { max-width: 680px; }
  .lp-what-grid, .lp-sideb-grid { grid-template-columns: 1fr; gap: 24px; }
  .label-grid { grid-template-columns: 1fr; gap: 30px; }
  .version-row { grid-template-columns: 1fr 1fr; row-gap: 22px; }
  .cmp-grid { grid-template-columns: 1fr; }
  .install-steps { grid-template-columns: 1fr 1fr; row-gap: 22px; }
  .install-steps li:nth-child(3) { padding-left: 0; border-left: 0; }
  .trouble-grid { grid-template-columns: 1fr; }
  .lp-safe-inner { grid-template-columns: 1fr; gap: 16px; }
  .lp-rel-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .lp-section { padding: 50px 0; }
  .lp-hero { padding: 18px 0 44px; }
  .lp-actions { flex-direction: column; }
  .lp-actions .btn { width: 100%; }
  .lp-strip-inner { grid-template-columns: 1fr 1fr; }
  .label-disc { width: 240px; }
  .version-row { grid-template-columns: 1fr; }
  .version-row > div + div { padding-left: 0; }
  .install-steps { grid-template-columns: 1fr; }
  .install-steps li { padding-left: 0 !important; border-left: 0 !important; padding-right: 0; }
  .tracklist li { grid-template-columns: 40px 1fr; }
  .tracklist em { display: none; }
  .label-list > div { grid-template-columns: 1fr; gap: 4px; }
  .lp-cta-actions { width: 100%; }
  .lp-cta-actions .btn { width: 100%; }
}