:root{
  --pink:#eb879c;
  --blush:#ffb6c1;
  --ink:#26171a;
  --ink-soft:#4c3539;
  --paper:#fff8f9;
  --line:rgba(38,23,26,.11);
  --glass:rgba(255,255,255,.68);
  --shadow-s:0 1px 2px rgba(38,23,26,.05),0 4px 10px rgba(38,23,26,.05);
  --shadow-m:0 2px 4px rgba(38,23,26,.06),0 14px 30px rgba(38,23,26,.08);
  --shadow-l:0 3px 6px rgba(38,23,26,.06),0 26px 50px rgba(198,103,124,.22);
  --r:18px;
  --font-body:'Cormorant Infant','Songti SC','Noto Serif SC','Microsoft YaHei',system-ui,sans-serif;
  --font-script:'Great Vibes','Songti SC',Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  overflow-x:clip;
}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.78;
  color:var(--ink);
  overflow-x:clip;
  background:
    radial-gradient(1100px 560px at 6% -12%,#ffe4ec 0%,transparent 62%),
    radial-gradient(900px 520px at 100% -6%,#fff0f4 0%,transparent 58%),
    var(--paper);
  min-height:100vh;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink);text-decoration:none}
a:hover{color:#bb4a64}
:focus-visible{outline:3px solid var(--pink);outline-offset:3px;border-radius:8px}
p{margin:0 0 1em}

/* ---------- 顶部两行 ---------- */
.masthead{
  position:sticky;top:0;z-index:40;
  max-width:100%;
  background:rgba(255,248,249,.95);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px rgba(198,103,124,.08);
}
.brandrow{display:flex;justify-content:center;padding:8px 14px 2px;min-width:0}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  max-width:100%;min-height:44px;padding:4px 12px;
  font-family:var(--font-script);
  font-size:clamp(1.5rem,4.6vw,1.95rem);
  letter-spacing:.03em;line-height:1.1;
}
.brand-mark{font-size:1.05em;line-height:1}
.menurrow{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:2px 14px 10px;max-width:1180px;margin:0 auto;min-width:0;
}
.cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;border-radius:999px;
  background:linear-gradient(135deg,#f5a3b5,#eb879c);
  color:#fff;font-size:16px;font-weight:600;letter-spacing:.02em;
  box-shadow:var(--shadow-s);
  flex:0 1 auto;min-width:0;
  transition:transform .24s ease,box-shadow .24s ease,filter .24s ease;
}
.cta:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-m);filter:saturate(1.08)}

/* ---------- 抽屉菜单 ---------- */
.drawer{position:relative;min-width:0}
.drawer>summary{
  display:inline-flex;align-items:center;gap:9px;
  min-height:44px;padding:0 18px;border-radius:999px;
  list-style:none;cursor:pointer;
  background:var(--glass);border:1px solid var(--line);
  box-shadow:var(--shadow-s);font-size:16px;
  transition:background .22s ease,box-shadow .22s ease;
}
.drawer>summary::-webkit-details-marker{display:none}
.drawer>summary:hover{background:#fff;box-shadow:var(--shadow-m)}
.burger{position:relative;display:block;width:18px;height:12px}
.burger::before,.burger::after{
  content:'';position:absolute;left:0;width:18px;height:2px;border-radius:2px;
  background:var(--ink);transition:transform .24s ease;
}
.burger::before{top:0}
.burger::after{bottom:0}
.drawer[open] .burger::before{transform:translateY(5px) rotate(45deg)}
.drawer[open] .burger::after{transform:translateY(-5px) rotate(-45deg)}
.drawer[open]>summary{position:relative;z-index:20;background:#fff}
.drawer>menu{margin:0;padding:0;list-style:none}
.drawer[open]>menu{
  position:fixed;inset:0;z-index:10;
  display:flex;flex-direction:column;justify-content:center;gap:4px;
  padding:132px clamp(18px,7vw,96px) 56px;
  overflow-y:auto;overflow-x:hidden;
  background:rgba(255,244,247,.96);
  box-shadow:inset 0 0 120px rgba(235,135,156,.16);
  animation:veil .26s ease both;
}
@keyframes veil{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.drawer menu a{
  display:flex;align-items:center;min-height:52px;
  padding:0 6px;border-bottom:1px solid var(--line);
  font-size:clamp(1.02rem,2.6vw,1.28rem);letter-spacing:.02em;
  overflow-wrap:anywhere;
  transition:padding-left .24s ease,color .24s ease;
}
.drawer menu a:hover{padding-left:14px;color:#bb4a64}
.drawer menu li:last-child a{border-bottom:0}

/* ---------- 版心 ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(16px,4vw,32px);min-width:0}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:clamp(18px,3vw,44px);align-items:center;
  min-height:45vh;
  padding:clamp(26px,5vw,54px) 0 clamp(20px,4vw,40px);
}
.hero::before{
  content:'';position:absolute;inset:-14px 0;z-index:-1;
  background-image:radial-gradient(rgba(235,135,156,.42) 1px,transparent 1px);
  background-size:16px 16px;opacity:.62;
  -webkit-mask-image:radial-gradient(78% 72% at 50% 50%,#000 28%,transparent 80%);
  mask-image:radial-gradient(78% 72% at 50% 50%,#000 28%,transparent 80%);
}
.hero-copy{text-align:center;padding:0 4px;min-width:0}
.hero h1{
  margin:0;
  font-family:var(--font-body);
  font-weight:600;
  font-size:clamp(2rem,5.2vw,3.05rem);
  line-height:1.28;
  letter-spacing:.02em;
  text-shadow:0 2px 0 rgba(255,255,255,.8);
  overflow-wrap:anywhere;
}
.hero-art{min-width:0}
.hero-figure{
  margin:0;aspect-ratio:4/3;overflow:hidden;
  border-radius:var(--r);border:1px solid rgba(255,255,255,.8);
  background:linear-gradient(150deg,#ffd9e3,#fff1f5);
  box-shadow:var(--shadow-l);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure--empty{background-image:radial-gradient(circle at 32% 28%,#ffcdd9,#fff2f6 68%)}

/* ---------- 内容区 ---------- */
.board{
  display:grid;grid-template-columns:252px minmax(0,1fr);
  gap:clamp(18px,2.6vw,36px);align-items:start;
  padding:clamp(18px,3vw,34px) 0 72px;
}
.side{
  position:sticky;top:130px;
  padding:20px 18px;
  border-radius:var(--r);border:1px solid rgba(255,255,255,.85);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-m);
  min-width:0;
}
.side-title{margin:0 0 6px;font-size:1.14rem;font-weight:600;letter-spacing:.02em}
.subtitle{margin:0 0 14px;color:var(--ink-soft);font-size:16px;line-height:1.66}
.side-list{margin:0;padding:0;list-style:none;display:grid;gap:2px}
.side-list a{
  display:flex;align-items:center;min-height:42px;
  padding:0 10px;border-radius:12px;font-size:16px;color:var(--ink-soft);
  transition:background .22s ease,color .22s ease,padding-left .22s ease;
}
.side-list a:hover{background:rgba(255,182,193,.34);color:var(--ink);padding-left:16px}

.prose{min-width:0}
.prose>article{
  margin:0 0 clamp(16px,2.4vw,26px);
  padding:clamp(18px,3vw,34px);
  border-radius:var(--r);
  border:1px solid rgba(255,255,255,.8);
  border-left:3px solid rgba(235,135,156,.55);
  background:var(--glass);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow-s);
  scroll-margin-top:140px;
  overflow-wrap:anywhere;
  transition:box-shadow .26s ease,transform .26s ease;
}
.prose>article:hover{box-shadow:var(--shadow-m)}
.prose h2{
  margin:0 0 10px;
  font-size:clamp(1.22rem,3vw,1.62rem);
  font-weight:600;line-height:1.36;letter-spacing:.01em;
  overflow-wrap:anywhere;
}
.prose h3{margin:1.4em 0 .5em;font-size:1.12rem;font-weight:600;line-height:1.45}
.prose p,.prose li{font-size:17px;line-height:1.85}
.prose ul,.prose ol{padding-left:1.25em;margin:0 0 1em}
.prose li{margin:.3em 0}
.prose figure{margin:1.1em 0}
.prose figure img{border-radius:12px;box-shadow:var(--shadow-s)}
.prose blockquote{
  margin:1.2em 0;padding:.7em 1em;
  border-left:3px solid var(--blush);border-radius:0 12px 12px 0;
  background:rgba(255,255,255,.6);color:var(--ink-soft);
}
.prose a{text-decoration:underline;text-decoration-color:rgba(235,135,156,.6);text-underline-offset:3px}
.prose code,.prose pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15.5px}
.prose pre{overflow-x:auto;max-width:100%;padding:14px;border-radius:12px;background:rgba(38,23,26,.06)}
.prose hr{border:0;height:1px;background:var(--line);margin:1.6em 0}

/* ---------- 页脚 ---------- */
.foot{
  display:grid;grid-template-columns:1.1fr .9fr .9fr 1.3fr;
  gap:16px 20px;
  padding:34px clamp(16px,4vw,40px) 18px;
  background:rgba(255,238,243,.92);
  border-top:1px solid var(--line);
  min-width:0;
}
.foot p{margin:0;min-width:0}
.foot-brand{font-size:1.2rem;letter-spacing:.04em}
.foot-col{display:flex;flex-wrap:wrap;gap:2px 14px;align-content:flex-start;font-size:16px}
.foot-col a{display:inline-flex;align-items:center;min-height:40px;color:var(--ink-soft)}
.foot-col a:hover{color:#bb4a64}
.foot-cta a{
  display:flex;align-items:center;justify-content:center;
  min-height:58px;padding:0 20px;border-radius:var(--r);
  background:linear-gradient(135deg,#f7aabc,#eb879c);
  color:#fff;font-size:1.06rem;font-weight:600;text-align:center;
  box-shadow:var(--shadow-s);
  transition:transform .24s ease,box-shadow .24s ease;
}
.foot-cta a:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-m)}
.foot-copy{grid-column:1/3;align-self:center;font-size:16px;color:var(--ink-soft)}
.foot-top{grid-column:3/5;justify-self:end;align-self:center;font-size:16px}
.foot-top a{
  display:inline-flex;align-items:center;min-height:40px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.72);
}

/* ---------- 动效 ---------- */
html.reveal-ready .reveal{opacity:0;transform:translateY(16px)}
.reveal{transition:opacity .62s ease,transform .62s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1 !important;transform:none !important}

/* ---------- 断点 ---------- */
@media (max-width:860px){
  .board{grid-template-columns:1fr}
  .side{position:static;order:2}
  .prose{order:1}
  .foot{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/3;font-size:1.1rem}
  .foot-cta{grid-column:1/3}
  .foot-copy{grid-column:1/2}
  .foot-top{grid-column:2/3}
}
@media (max-width:640px){
  body{font-size:16.5px}
  .hero{
    grid-template-columns:1fr;
    min-height:auto;
    padding-top:22px;
    gap:16px;
  }
  .hero::before{inset:-10px 0;opacity:.5}
  .hero-art{order:2}
  .hero-figure{aspect-ratio:16/10}
  .hero-copy{order:1}
  .menurrow{padding:2px 12px 10px;gap:8px}
  .cta{padding:0 15px;font-size:15.5px}
  .drawer>summary{padding:0 15px}
  .drawer[open]>menu{padding:120px 22px 48px}
  .prose>article{border-left-width:2px;padding:18px 15px}
  .foot{padding:26px 16px 16px}
  .foot-cta a{font-size:1rem;padding:0 14px}
}
@media (max-width:380px){
  .brand{font-size:1.42rem;gap:6px;padding:4px 6px}
  .cta{padding:0 12px;font-size:15px}
  .drawer>summary{padding:0 12px;gap:7px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  html.reveal-ready .reveal{opacity:1;transform:none}
  .reveal{transition:none}
  .drawer[open]>menu{animation:none}
  *{transition-duration:.01ms !important}
}

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