@import url('https://fonts.googleapis.com/css2?family=Atkinson+Hyperlegible:wght@400;700&display=swap');

:root{
  --rose:#eb879c;
  --blush:#ffb6c1;
  --ink:#26171a;
  --ink-soft:#523a3d;
  --paper:#fdf5f6;
  --card:#ffffff;
  --line:#f2dde1;
  --focus:#8d2c48;
  --sh-s:0 1px 2px rgba(38,23,26,.07), 0 2px 6px rgba(38,23,26,.05);
  --sh-m:0 2px 4px rgba(38,23,26,.06), 0 8px 18px -8px rgba(38,23,26,.14), 0 18px 42px -24px rgba(235,135,156,.6);
  --sh-l:0 2px 5px rgba(38,23,26,.07), 0 16px 34px -14px rgba(38,23,26,.18), 0 30px 64px -34px rgba(235,135,156,.7);
  --r:12px;
  --dur:240ms;
}

*,*::before,*::after{ box-sizing:border-box; }

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  font-family:'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size:17px;
  line-height:1.72;
  color:var(--ink);
  background:
    radial-gradient(1100px 520px at 84% -10%, #ffe2e8 0%, rgba(255,226,232,0) 62%),
    radial-gradient(760px 420px at 2% 6%, #fff1f3 0%, rgba(255,241,243,0) 66%),
    var(--paper);
  background-attachment:fixed;
}

img{ max-width:100%; height:auto; display:block; }

a{ color:var(--focus); }

:focus-visible{
  outline:3px solid var(--focus);
  outline-offset:2px;
  border-radius:6px;
}

.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;
}

/* ---------- 顶栏：品牌行 + 菜单行 ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:30;
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:10px 16px 12px;
  background:rgba(253,245,246,.93);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 24px -20px rgba(38,23,26,.7);
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  width:100%;
  min-height:44px;
  padding:4px 2px;
  color:var(--ink);
  font-weight:700;
  font-size:1.06rem;
  letter-spacing:.02em;
  text-decoration:none;
}

.brand-mark{
  width:30px;
  height:30px;
  border-radius:10px;
  box-shadow:var(--sh-s);
}

.brand-dot{
  width:22px;
  height:22px;
  flex:none;
  border-radius:8px;
  background:linear-gradient(140deg, var(--blush), var(--rose));
  box-shadow:inset 0 -2px 3px rgba(38,23,26,.12), 0 3px 8px -3px rgba(235,135,156,.9);
}

.dock{ position:relative; }

.dock-btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:9px 18px;
  list-style:none;
  font-weight:700;
  color:var(--ink);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-s);
  cursor:pointer;
  transition:box-shadow var(--dur) ease, transform var(--dur) ease;
}

.dock-btn::-webkit-details-marker{ display:none; }
.dock-btn:hover{ transform:translateY(-1px); box-shadow:var(--sh-m); }

.dock-bars{
  width:16px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  box-shadow:0 5px 0 var(--ink), 0 -5px 0 var(--ink);
}

.dock-menu{
  position:absolute;
  left:0;
  top:calc(100% + 8px);
  min-width:min(80vw, 268px);
  margin:0;
  padding:8px;
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:2px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh-l);
}

.dock-menu a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:10px 14px;
  border-radius:9px;
  color:var(--ink);
  font-weight:700;
  text-decoration:none;
  transition:background var(--dur) ease;
}

.dock-menu a::before{
  content:"";
  width:8px;
  height:8px;
  flex:none;
  border-radius:3px;
  background:var(--rose);
}

.dock-menu a:hover{ background:#fff2f5; }

/* ---------- 主体 ---------- */
main{
  display:block;
  max-width:940px;
  margin:0 auto;
  padding:0 16px 32px;
}

.hero{
  display:grid;
  grid-template-columns:1fr;
  align-items:center;
  gap:26px;
  min-height:100svh;
  padding:22px 0 46px;
}

.hero-figure{
  margin:0;
  order:0;
  min-height:230px;
  aspect-ratio:4 / 3;
  overflow:hidden;
  border-radius:14px;
  background:linear-gradient(150deg, #ffd8e0 0%, #fdeff2 48%, var(--blush) 100%);
  box-shadow:var(--sh-l);
}

.hero-shot{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1.14);
  will-change:transform;
}

.hero-copy{
  text-align:center;
  padding:0 4px;
}

.hero-copy h1{
  margin:0 0 22px;
  font-size:clamp(2rem, 8vw, 3.4rem);
  line-height:1.14;
  letter-spacing:-.01em;
}

.hero-jump{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:12px 26px;
  border-radius:999px;
  background:linear-gradient(135deg, var(--rose), #f19cae);
  color:#2a1418;
  font-weight:700;
  text-decoration:none;
  box-shadow:0 2px 4px rgba(38,23,26,.1), 0 12px 22px -12px rgba(235,135,156,.95);
  transition:transform var(--dur) ease, box-shadow var(--dur) ease;
}

.hero-jump:hover{
  transform:translateY(-2px);
  box-shadow:0 3px 6px rgba(38,23,26,.12), 0 18px 30px -14px rgba(235,135,156,1);
}

/* ---------- 正文章节（来自 page.content） ---------- */
main > div[id]{
  scroll-margin-top:118px;
  margin:0 0 22px;
  padding:24px 20px 26px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh-m);
}

main > div[id] h2{
  margin:0 0 6px;
  font-size:1.42rem;
  line-height:1.3;
}

main > div[id] h2::after{
  content:"";
  display:block;
  width:48px;
  height:4px;
  margin-top:11px;
  border-radius:2px;
  background:linear-gradient(90deg, var(--rose), var(--blush));
}

main > div[id] h3{
  margin:1.5em 0 .4em;
  font-size:1.12rem;
}

main > div[id] p{ margin:.85em 0; }

main > div[id] p.subtitle,
main > div[id] p.subhead,
main > div[id] p.lead,
main > div[id] p.desc{
  margin:.2em 0 1em;
  color:var(--ink-soft);
  font-size:1.02rem;
}

main > div[id] ul,
main > div[id] ol{ padding-left:1.3em; }

main > div[id] li{ margin:.35em 0; }

main > div[id] a{ color:var(--focus); text-decoration-thickness:2px; text-underline-offset:3px; }

main > div[id] blockquote{
  margin:1em 0;
  padding:12px 16px;
  border-left:4px solid var(--blush);
  background:#fff7f9;
  border-radius:0 10px 10px 0;
}

main > div[id] table{
  width:100%;
  border-collapse:collapse;
  font-size:.98rem;
}

main > div[id] th,
main > div[id] td{
  padding:10px 12px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
}

main > div[id] th{ background:#fff6f8; }

main > div[id] code{
  padding:2px 6px;
  border-radius:6px;
  background:#fff1f4;
  font-size:.94em;
}

/* ---------- 收束区 + 侧栏 ---------- */
.outro{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
  margin:34px 0 10px;
}

.outro-lead h2{
  margin:0 0 6px;
  font-size:1.5rem;
  line-height:1.3;
}

.outro-lead .subtitle{
  margin:0;
  color:var(--ink-soft);
}

.rail{
  padding:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh-m);
}

.rail-nav ul{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:2px;
}

.rail-nav a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:42px;
  padding:8px 10px;
  border-radius:9px;
  color:var(--ink);
  font-weight:700;
  font-size:.97rem;
  text-decoration:none;
  transition:background var(--dur) ease, transform var(--dur) ease;
}

.rail-nav a::before{
  content:"";
  width:7px;
  height:7px;
  flex:none;
  border-radius:50%;
  background:var(--blush);
  box-shadow:0 0 0 1px rgba(235,135,156,.5);
}

.rail-nav a:hover{ background:#fff2f5; transform:translateX(2px); }

/* ---------- 页脚 ---------- */
.site-foot{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  margin-top:44px;
  padding:28px 16px 20px;
  background:var(--ink);
  color:#fce8ec;
}

.foot-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  letter-spacing:.02em;
}

.foot-mark{
  width:20px;
  height:20px;
  flex:none;
  border-radius:7px;
  background:linear-gradient(140deg, var(--blush), var(--rose));
}

.foot-nav ul{
  margin:0;
  padding:0;
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:4px 14px;
}

.foot-nav a{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:4px 0;
  color:#ffe7ec;
  font-size:.95rem;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:border-color var(--dur) ease, color var(--dur) ease;
}

.foot-nav a:hover{ color:#fff; border-bottom-color:var(--blush); }

.sub-form{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

.sub-form input{
  flex:1 1 132px;
  min-height:44px;
  padding:10px 14px;
  font:inherit;
  font-size:16px;
  color:#fff;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,231,236,.36);
  border-radius:10px;
}

.sub-form input::placeholder{ color:#f0c8d1; }

.sub-form input:focus-visible{
  outline:3px solid var(--blush);
  outline-offset:2px;
}

.sub-form button{
  min-height:44px;
  padding:10px 20px;
  font:inherit;
  font-weight:700;
  color:#2a1418;
  background:var(--rose);
  border:0;
  border-radius:10px;
  cursor:pointer;
  transition:transform var(--dur) ease, background var(--dur) ease;
}

.sub-form button:hover{ transform:translateY(-1px); background:#f294a6; }

.foot-legal{
  padding-top:14px;
  border-top:1px solid rgba(255,231,236,.24);
  font-size:.92rem;
  color:#f3ccd6;
}

/* ---------- 宽屏 ---------- */
@media (min-width:820px){
  .site-head{ padding:14px 24px 12px; }

  .dock-btn{ display:none; }

  .dock > .dock-menu{
    position:static;
    display:flex !important;
    flex-direction:row;
    flex-wrap:wrap;
    justify-content:flex-start;
    gap:8px;
    min-width:0;
    padding:0;
    background:none;
    border:0;
    box-shadow:none;
  }

  .dock-menu a{
    min-height:42px;
    padding:8px 16px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:999px;
    box-shadow:var(--sh-s);
    transition:transform var(--dur) ease, box-shadow var(--dur) ease, background var(--dur) ease;
  }

  .dock-menu a:hover{
    background:#fff2f5;
    transform:translateY(-2px);
    box-shadow:var(--sh-m);
  }

  main{ padding:0 24px 40px; }

  .hero{
    grid-template-columns:1.06fr .94fr;
    gap:44px;
    padding:18px 0 54px;
  }

  .hero-figure{ min-height:340px; aspect-ratio:5 / 4; }

  .hero-copy h1{ margin-bottom:28px; }

  main > div[id]{ padding:32px 34px 34px; margin-bottom:26px; }

  .outro{
    grid-template-columns:minmax(0,1fr) 274px;
    align-items:start;
    gap:26px;
  }

  .site-foot{
    grid-template-columns:1fr 1.5fr 1fr;
    align-items:start;
    gap:26px;
    padding:34px 24px 22px;
  }

  .foot-legal{ grid-column:1 / -1; }
}

@media (min-width:1080px){
  main{ max-width:1000px; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.01ms !important;
    transition-duration:.01ms !important;
  }
  .hero-shot{ transform:none; }
}

button[aria-expanded]{min-width:44px;min-height:44px}