:root{
  --rose:#eb879c;
  --rose-soft:#ffb6c1;
  --rose-deep:#b8556e;
  --ink:#26171a;
  --bg:#fdf6f7;
  --surface:#ffffff;
  --line:#f2dee3;
  --muted:#6d5257;
  --shadow:0 2px 4px rgba(38,23,26,.05),0 14px 28px -14px rgba(38,23,26,.28);
  --shadow-soft:0 1px 2px rgba(38,23,26,.06),0 8px 18px -10px rgba(38,23,26,.2);
  --r:18px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100%;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 520px at 6% -12%,rgba(255,182,193,.34),transparent 62%),
    radial-gradient(760px 460px at 102% -4%,rgba(235,135,156,.18),transparent 64%);
  background-repeat:no-repeat;
  color:var(--ink);
  font-family:'Plus Jakarta Sans',system-ui,-apple-system,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:1.0625rem;
  line-height:1.7;
  letter-spacing:.005em;
}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit}
:focus-visible{outline:3px solid var(--rose-deep);outline-offset:2px;border-radius:10px}

/* 顶部搜索 */
.siteHead{position:relative;z-index:20;max-width:1120px;margin:0 auto;padding:.9rem 1.1rem 0;display:flex;justify-content:flex-end}
.finder{
  display:flex;align-items:center;gap:.3rem;width:min(15.5rem,100%);
  padding:.28rem .28rem .28rem .1rem;background:var(--surface);
  border-radius:999px;box-shadow:var(--shadow-soft);
}
.finder input{
  flex:1 1 auto;min-width:0;min-height:40px;border:0;border-radius:999px;
  background:transparent;color:var(--ink);font-size:1rem;padding:.3rem .8rem;
}
.finder input::placeholder{color:#96777d}
.finder button{
  flex:0 0 auto;min-height:40px;padding:.35rem 1rem;border:0;border-radius:999px;
  background:var(--rose-deep);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;
  transition:background .24s ease,transform .24s ease;
}
.finder button:hover{background:#9e4059}
.finder button:active{transform:scale(.97)}

/* 底部固定导航条 */
.bar{
  position:fixed;left:0;right:0;bottom:0;z-index:30;
  max-width:1120px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:.12rem;
  padding:.45rem .6rem calc(.45rem + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  border-radius:var(--r) var(--r) 0 0;
  box-shadow:0 -8px 24px -18px rgba(38,23,26,.55);
  overflow-x:auto;
  scrollbar-width:none;
}
.bar::-webkit-scrollbar{display:none}
.barGroup{display:flex;align-items:center;gap:.05rem;margin:0;flex:0 0 auto}
.bar a{
  display:flex;align-items:center;min-height:44px;padding:.35rem .55rem;
  border-radius:11px;font-size:1rem;color:#5d3c44;text-decoration:none;
  white-space:nowrap;transition:background .22s ease,color .22s ease;
}
.bar a:hover{background:#ffeef2;color:var(--ink)}
.barBrand{
  flex:0 0 auto;font-weight:700;letter-spacing:.02em;color:var(--ink)!important;
  padding:.35rem .8rem!important;
}

/* 首屏 */
.hero{
  position:relative;isolation:isolate;overflow:hidden;
  min-height:calc(100svh - 4.6rem);
  display:grid;place-items:center;
  padding:2.4rem 1.15rem 5.4rem;text-align:center;
}
.heroGiant{
  position:absolute;top:7%;left:50%;z-index:-1;
  transform:translateX(-50%);
  font-size:clamp(3.1rem,17vw,10.5rem);line-height:.86;font-weight:800;
  letter-spacing:-.055em;color:rgba(235,135,156,.27);
  white-space:nowrap;pointer-events:none;user-select:none;
}
.heroCopy{position:relative;z-index:2;max-width:21ch}
.heroCopy h1{
  margin:0;font-size:clamp(1.9rem,6vw,3.35rem);line-height:1.24;
  font-weight:700;letter-spacing:-.022em;text-wrap:balance;
  text-shadow:0 1px 0 rgba(255,255,255,.85);
}
.shot{
  position:absolute;z-index:1;margin:0;
  width:clamp(108px,21vw,214px);aspect-ratio:4/3;
  border-radius:var(--r);overflow:hidden;
  background:linear-gradient(135deg,#ffe3e9,#ffd0da);
  box-shadow:var(--shadow);
}
.shot img{width:100%;height:100%;object-fit:cover}
.shotA{top:11%;left:4%;transform:rotate(-7deg)}
.shotB{bottom:14%;right:4%;transform:rotate(6deg)}

/* 正文区：左aside + 右正文 */
.content{
  max-width:1120px;margin:0 auto;
  padding:2.6rem 1.1rem 1rem;
  display:grid;grid-template-columns:250px minmax(0,1fr);
  gap:2.2rem;align-items:start;
}
.side{
  position:sticky;top:1.1rem;
  background:var(--surface);border-radius:var(--r);
  padding:1rem .9rem 1.15rem;
  box-shadow:var(--shadow-soft);
}
.side h2{
  margin:.2rem 0 .55rem;font-size:1rem;font-weight:700;letter-spacing:.07em;
  color:var(--ink);padding-bottom:.45rem;border-bottom:1px dashed var(--line);
}
.side h2 > span{display:inline-block;position:relative;padding-left:.85rem}
.side h2 > span::before{
  content:"";position:absolute;left:0;top:.5em;width:.42rem;height:.42rem;
  border-radius:50%;background:var(--rose);
}
.sideList{list-style:none;margin:0 0 .95rem;padding:0;display:grid;gap:.1rem}
.sideList li a{
  display:flex;align-items:center;min-height:44px;
  padding:.3rem .55rem;border-radius:11px;font-size:1rem;
  color:#5d3c44;text-decoration:none;
  transition:background .22s ease,color .22s ease;
}
.sideList li a:hover{background:#ffeef2;color:var(--ink)}

/* 正文排版 */
.prose{
  max-width:70ch;padding-bottom:2rem;
  font-size:1.0625rem;line-height:1.85;color:#382629;
}
.prose > div{padding:2.2rem 0;scroll-margin-top:1.4rem}
.prose > div:first-child{padding-top:.2rem}
.prose > div + div{border-top:1px solid var(--line)}
.prose h2{
  margin:.2rem 0 .9rem;font-size:clamp(1.45rem,3.4vw,1.9rem);
  line-height:1.35;letter-spacing:-.012em;
}
.prose h2 > span{box-shadow:inset 0 -.42em 0 rgba(255,182,193,.66);padding:0 .14em .06em 0}
.prose h3{margin:1.5rem 0 .6rem;font-size:1.2rem;line-height:1.45}
.prose h3 > span{box-shadow:inset 0 -.4em 0 rgba(255,182,193,.52);padding-right:.12em}
.prose p{margin:.85rem 0}
.prose a{color:#a4475f;text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:#7d3247}
.prose ul,.prose ol{margin:.85rem 0;padding-left:1.35rem}
.prose li{margin:.35rem 0}
.prose figure{margin:1.4rem 0;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-soft)}
.prose figure img{width:100%;border-radius:var(--r)}
.prose img{border-radius:var(--r)}
.prose blockquote{
  margin:1.2rem 0;padding:.5rem 0 .5rem 1.05rem;
  border-left:4px solid var(--rose-soft);color:#584248;
}
.prose table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:1rem}
.prose th,.prose td{padding:.6rem .7rem;border-bottom:1px solid var(--line);text-align:left}
.prose code{font-size:.98em;background:#ffeef2;border-radius:6px;padding:.1em .35em}
.prose hr{border:0;border-top:1px solid var(--line);margin:1.6rem 0}

.flash{animation:flash 1.1s ease}
@keyframes flash{0%{background:rgba(255,182,193,.55)}100%{background:transparent}}

/* 页脚 */
.foot{
  text-align:center;
  padding:2.4rem 1.1rem calc(6rem + env(safe-area-inset-bottom));
  color:var(--muted);font-size:1rem;
}
.foot p{margin:0 0 .3rem;font-weight:600;color:#5d3c44}
.foot small{font-size:1rem;color:var(--muted)}

/* 滚动显现 */
.js .reveal{opacity:0;transform:translateY(16px)}
.js .reveal.in{opacity:1;transform:none;transition:opacity .28s ease,transform .28s ease}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  .flash{animation:none}
}

@media (max-width:860px){
  .content{grid-template-columns:1fr;gap:1.6rem;padding-top:2rem}
  .side{position:static}
  .sideList{grid-template-columns:1fr 1fr;gap:.15rem .5rem}
}
@media (max-width:720px){
  .bar{justify-content:flex-start}
  .hero{padding-top:1.1rem;min-height:calc(100svh - 4.2rem)}
  .shot{width:clamp(90px,25vw,128px)}
  .shotA{top:6%;left:3%;transform:rotate(-8deg)}
  .shotB{bottom:12%;right:3%;transform:rotate(7deg)}
  .heroCopy{max-width:19ch}
}

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