@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&family=Playfair+Display:ital,wght@0,400;0,700;0,900;1,400&family=Source+Serif+4:ital,wght@0,300;0,400;0,600;1,300&display=swap');

:root{
  --ink:#26171a;
  --ink-2:#5c4348;
  --pink:#eb879c;
  --pink-2:#ffb6c1;
  --bg:#fdf7f6;
  --card:#ffffff;
  --line:rgba(38,23,26,.10);
  --r:18px;
  --shadow:0 1px 2px rgba(38,23,26,.05),0 10px 30px -14px rgba(38,23,26,.20);
  --shadow-pink:0 2px 4px rgba(38,23,26,.06),0 18px 42px -20px rgba(235,135,156,.65);
}

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

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

body{
  margin:0;
  font-family:"Source Serif 4",Georgia,"Songti SC","Noto Serif SC",serif;
  font-size:17px;
  line-height:1.7;
  color:var(--ink);
  background:
    radial-gradient(1100px 480px at 10% -12%,rgba(255,182,193,.38),transparent 62%),
    radial-gradient(880px 420px at 102% 2%,rgba(235,135,156,.24),transparent 58%),
    var(--bg);
}

img{max-width:100%;height:auto;display:block}
a{color:inherit}
::selection{background:var(--pink-2);color:var(--ink)}
:focus-visible{outline:3px solid var(--pink);outline-offset:3px;border-radius:6px}

.skip{
  position:absolute;left:12px;top:-80px;z-index:60;
  padding:10px 18px;border-radius:999px;background:var(--ink);color:#fff;
  text-decoration:none;font-size:16px;transition:top .2s ease;
}
.skip:focus{top:10px}

/* ---------- 顶部条 ---------- */
.topbar{
  position:sticky;top:0;z-index:40;
  display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px;
  padding:10px clamp(12px,4vw,40px);
  background:rgba(253,247,246,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -22px rgba(38,23,26,.8);
}

.bar{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:6px;min-width:0;
}

.menu{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0;min-width:0}
.menu-a{justify-content:flex-end}
.menu-b{justify-content:flex-start}

.menu a{
  display:inline-flex;align-items:center;min-height:44px;
  padding:8px 12px;border-radius:999px;
  font-size:16px;letter-spacing:.01em;text-decoration:none;color:var(--ink);
  white-space:nowrap;
  transition:background .24s ease,color .24s ease;
}
.menu a:hover{background:rgba(235,135,156,.20)}

.brand{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:6px 14px;
  font-family:"Playfair Display",Georgia,"Songti SC",serif;
  font-weight:900;font-size:clamp(1.05rem,2.3vw,1.5rem);
  letter-spacing:.10em;text-decoration:none;color:var(--ink);white-space:nowrap;
}
.brand::after{
  content:"";width:6px;height:6px;margin-left:8px;border-radius:50%;
  background:var(--pink);flex:none;
}

.cta{
  display:inline-flex;align-items:center;min-height:44px;
  padding:12px 20px;border-radius:999px;
  background:var(--ink);color:#fdf3f1;
  font-size:16px;letter-spacing:.04em;text-decoration:none;white-space:nowrap;
  box-shadow:var(--shadow-pink);
  transition:background .24s ease,color .24s ease,transform .24s ease;
}
.cta:hover{background:var(--pink);color:var(--ink);transform:translateY(-1px)}

/* ---------- 骨架 ---------- */
.shell{
  display:grid;grid-template-columns:222px minmax(0,1fr);
  gap:clamp(20px,3vw,44px);
  max-width:1240px;margin:0 auto;
  padding:clamp(16px,3vw,34px) clamp(14px,4vw,32px) 0;
  align-items:start;
}

.rail{
  position:sticky;top:88px;align-self:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--shadow);
  padding:18px 12px 14px;
}
.rail-t{
  margin:0 0 12px;padding:0 10px;
  font-family:"Playfair Display",Georgia,serif;
  font-size:.82rem;font-weight:700;letter-spacing:.26em;
  color:var(--ink-2);text-transform:uppercase;
}
.rail-t span{display:inline-block;border-bottom:2px solid var(--pink-2);padding-bottom:3px}
.rail-list{list-style:none;margin:0;padding:0;display:grid;gap:1px}
.rail-list a{
  display:flex;align-items:center;gap:10px;min-height:44px;
  padding:6px 10px;border-radius:12px;
  font-size:16px;line-height:1.4;text-decoration:none;color:var(--ink);
  transition:background .24s ease,color .24s ease;
}
.rail-list a:hover{background:rgba(235,135,156,.18);color:var(--ink)}
.dot{width:5px;height:5px;flex:none;border-radius:50%;background:var(--pink)}

main{min-width:0}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;isolation:isolate;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;min-height:70vh;text-align:center;
  padding:clamp(46px,7vw,76px) clamp(18px,5vw,56px) 0;
  border-radius:calc(var(--r) + 10px);
  background:linear-gradient(158deg,#332024 0%,#26171a 62%);
  color:#fdf3f1;overflow:hidden;
  box-shadow:var(--shadow);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(560px 260px at 78% 6%,rgba(235,135,156,.32),transparent 66%);
  pointer-events:none;
}

.badge{
  position:absolute;top:clamp(14px,3vw,24px);right:clamp(14px,3vw,24px);
  margin:0;padding:7px 14px;border-radius:999px;
  border:1px solid rgba(255,182,193,.55);
  background:rgba(255,182,193,.14);
  color:var(--pink-2);
  font-size:16px;letter-spacing:.18em;
}

.hero h1{
  margin:0;
  font-family:"Playfair Display",Georgia,"Songti SC",serif;
  font-weight:900;font-size:clamp(2rem,6vw,3.5rem);
  line-height:1.14;letter-spacing:.01em;color:#fff;
  text-wrap:balance;
}
.hero .sub{
  margin:0;max-width:44ch;
  color:#f0d8db;font-size:17px;line-height:1.68;
}

.hero-fig{
  position:relative;width:100%;margin:clamp(14px,3vw,26px) 0 0;
  height:clamp(150px,24vh,290px);
  border-radius:var(--r) var(--r) 0 0;
  background:linear-gradient(180deg,rgba(255,182,193,.10),rgba(255,182,193,.22));
  overflow:hidden;
}
.hero-fig img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:0;
  transition:opacity .6s ease;
}
.hero-fig img.on{opacity:1}

/* ---------- 正文区（page.content 的 article） ---------- */
main > article:not(.hero){
  scroll-margin-top:112px;
  margin-top:clamp(22px,3vw,34px);
  padding:clamp(20px,3.4vw,42px);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--shadow);
  transition:box-shadow .26s ease;
}
main > article:not(.hero):hover{box-shadow:var(--shadow-pink)}

main > article:not(.hero) h2{
  margin:0 0 .85em;
  font-family:"Playfair Display",Georgia,"Songti SC",serif;
  font-weight:900;font-size:clamp(1.32rem,3vw,1.95rem);
  line-height:1.28;letter-spacing:.01em;
}
main > article:not(.hero) h2 > span{position:relative;display:inline-block}
main > article:not(.hero) h2 > span::after{
  content:"";position:absolute;left:0;right:0;bottom:-7px;height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--pink),var(--pink-2));
}

main > article:not(.hero) h3{
  margin:1.5em 0 .6em;
  font-family:"Playfair Display",Georgia,"Songti SC",serif;
  font-weight:700;font-size:clamp(1.1rem,2.2vw,1.35rem);
  line-height:1.35;
}
main > article:not(.hero) h3 > span{display:inline-block;border-bottom:2px solid var(--pink-2);padding-bottom:2px}

main > article:not(.hero) p{margin:0 0 1.05em}
main > article:not(.hero) ul,
main > article:not(.hero) ol{margin:0 0 1.1em;padding-left:1.35em}
main > article:not(.hero) li{margin:.35em 0}
main > article:not(.hero) li::marker{color:var(--pink)}

main > article:not(.hero) a{
  color:#9c2f45;text-decoration:underline;
  text-decoration-thickness:1px;text-underline-offset:3px;
  transition:color .24s ease;
}
main > article:not(.hero) a:hover{color:var(--ink)}

main > article:not(.hero) figure{
  margin:1.3em 0;padding:12px;
  border-radius:var(--r);
  background:rgba(255,182,193,.15);
  box-shadow:inset 0 0 0 1px rgba(38,23,26,.06);
}
main > article:not(.hero) figure img{border-radius:12px;width:100%}
main > article:not(.hero) figcaption{
  margin-top:10px;font-size:16px;line-height:1.5;color:var(--ink-2);text-align:center;
}

main > article:not(.hero) aside{
  margin:1.3em 0;padding:16px 20px;
  border-left:4px solid var(--pink);
  border-radius:0 var(--r) var(--r) 0;
  background:rgba(235,135,156,.10);
  font-size:16px;
}
main > article:not(.hero) aside > :last-child{margin-bottom:0}

main > article:not(.hero) blockquote{
  margin:1.3em 0;padding:14px 20px;
  border-radius:var(--r);
  background:#fbf0f1;color:var(--ink-2);
}
main > article:not(.hero) blockquote > :last-child{margin-bottom:0}

main > article:not(.hero) table{
  width:100%;border-collapse:collapse;margin:1.2em 0;font-size:16px;
}
main > article:not(.hero) th,
main > article:not(.hero) td{
  padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;
}
main > article:not(.hero) th{background:rgba(255,182,193,.18);font-weight:600}

/* ---------- 页脚 ---------- */
.foot{
  display:grid;grid-template-columns:2fr 1fr 1fr;
  gap:clamp(14px,3vw,40px);
  max-width:1240px;margin:clamp(30px,5vw,64px) auto 0;
  padding:clamp(24px,4vw,44px) clamp(14px,4vw,32px) clamp(28px,4vw,42px);
  border-top:1px solid var(--line);
}
.f-brand{
  grid-column:1;margin:0;
  font-family:"Playfair Display",Georgia,"Songti SC",serif;
  font-weight:900;font-size:clamp(2.1rem,7vw,4rem);
  line-height:.96;letter-spacing:.01em;
}
.f-col{margin:0;font-size:16px;line-height:1.85;color:var(--ink-2)}
.f-legal{
  grid-column:1 / -1;margin-top:14px;padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:16px;color:var(--ink-2);
}

/* ---------- 动效 ---------- */
.rv{opacity:0;transform:translateY(14px)}
.rv.in{opacity:1;transform:none;transition:opacity .28s ease,transform .28s ease}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
  .rv.in{transition:none}
  .hero-fig img{transition:none}
  .cta:hover{transform:none}
}

/* ---------- 断点 ---------- */
@media (max-width:960px){
  .shell{grid-template-columns:1fr}
  .rail{display:none}
  .hero{min-height:auto;padding-top:clamp(56px,12vw,84px)}
  main > article:not(.hero){scroll-margin-top:96px}
}

@media (max-width:860px){
  .topbar{grid-template-columns:minmax(0,1fr) auto;padding:8px 12px;gap:8px}
  .bar{display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none}
  .bar::-webkit-scrollbar{display:none}
  .brand{order:-1;flex:none;padding-left:6px}
  .menu{flex:none}
  .menu-a{order:0}
  .menu-b{order:1}
  .menu a{padding:8px 10px}
  .cta{padding:12px 16px}
}

@media (max-width:760px){
  .foot{grid-template-columns:1fr;gap:12px}
  .f-brand{font-size:clamp(2.2rem,13vw,3.4rem)}
  .f-legal{margin-top:8px}
}

@media (max-width:520px){
  .hero h1{font-size:clamp(1.85rem,9vw,2.4rem)}
  .badge{font-size:16px;letter-spacing:.12em;padding:6px 12px}
  main > article:not(.hero){padding:20px 18px}
}

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