:root{
  --plum:#26171a;
  --rose:#eb879c;
  --pink:#ffb6c1;
  --ink:#2e1c20;
  --mute:#6d5257;
  --line:rgba(235,135,156,.32);
  --glass:rgba(255,255,255,.6);
  --glass-soft:rgba(255,255,255,.42);
  --shadow:0 2px 4px rgba(38,23,26,.05),0 12px 26px -14px rgba(38,23,26,.24),0 34px 64px -44px rgba(38,23,26,.42);
  --r:28px;
  --dock-h:66px;
}

*{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  scroll-padding-top:18px;
  scroll-padding-bottom:calc(var(--dock-h) + 28px);
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  padding:0 0 calc(var(--dock-h) + 44px);
  font-family:'Atkinson Hyperlegible',system-ui,-apple-system,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background-color:#fffafa;
  background-image:
    radial-gradient(1000px 620px at 84% -12%, #ffe1e7 0%, rgba(255,225,231,0) 70%),
    radial-gradient(820px 560px at 2% 10%, #fff0f3 0%, rgba(255,240,243,0) 72%),
    linear-gradient(180deg,#fffbfb 0%,#fdf2f4 46%,#fbe8ed 100%);
  background-attachment:fixed;
}

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

a{color:#b24360}

a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:3px solid #b24360;
  outline-offset:2px;
  border-radius:12px;
}

.sr{
  position:absolute;
  width:1px;height:1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
}

.skip{
  position:fixed;
  left:14px;
  top:-70px;
  z-index:99;
  padding:12px 18px;
  border-radius:14px;
  background:#fff;
  color:var(--plum);
  text-decoration:none;
  box-shadow:var(--shadow);
  transition:top .24s ease;
}
.skip:focus{top:14px}

/* ---------- 底部固定条 ---------- */
.dock{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:60;
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:10px;
  min-height:var(--dock-h);
  padding:8px clamp(10px,2vw,20px) calc(8px + env(safe-area-inset-bottom));
  background:rgba(255,250,251,.8);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  backdrop-filter:blur(20px) saturate(150%);
  border-top:1px solid rgba(235,135,156,.36);
  box-shadow:0 -16px 44px -32px rgba(38,23,26,.8);
}

.dock-brand{
  grid-column:2;
  grid-row:1;
  z-index:3;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:7px 15px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.85);
  background:var(--glass);
  box-shadow:var(--shadow);
  color:var(--plum);
  text-decoration:none;
  font-family:'Crimson Pro',Georgia,'Songti SC',serif;
  font-weight:600;
  font-size:18px;
  letter-spacing:.03em;
  transition:transform .24s ease,box-shadow .24s ease;
}
.dock-brand:hover{transform:translateY(-1px)}

.brand-mark{
  display:block;
  width:30px;height:30px;
  border-radius:50%;
  object-fit:cover;
}

.dock-nav{
  grid-column:1 / -1;
  grid-row:1;
  display:grid;
  grid-template-columns:1fr 178px 1fr;
  align-items:center;
  min-width:0;
}

.dock-toggle{
  grid-column:1;
  grid-row:1;
  justify-self:start;
  display:none;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:8px 15px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.85);
  background:var(--glass);
  color:var(--plum);
  font:inherit;
  font-size:16px;
  cursor:pointer;
}

.dock-list{
  display:flex;
  align-items:center;
  gap:1px;
  margin:0;
  padding:0;
  list-style:none;
  min-width:0;
}
.dock-list--l{grid-column:1;justify-self:end;padding-right:10px}
.dock-list--r{grid-column:3;justify-self:start;padding-left:10px}

.dock-list a{
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:44px;
  padding:8px 10px;
  border-radius:14px;
  color:var(--ink);
  font-size:16px;
  text-decoration:none;
  white-space:nowrap;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.dock-list a:hover{background:rgba(235,135,156,.18);transform:translateY(-1px)}
.dock-list a.on{color:#a63b55;background:rgba(255,182,193,.38)}

.dot{
  width:6px;height:6px;
  flex:none;
  border-radius:50%;
  background:var(--rose);
  transition:transform .22s ease;
}
a:hover .dot,
a.on .dot{transform:scale(1.7)}

.dock-search{
  grid-column:3;
  grid-row:1;
  justify-self:end;
  display:flex;
  align-items:center;
  gap:4px;
  margin:0;
  padding:3px 3px 3px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.9);
  background:var(--glass);
  box-shadow:inset 0 1px 0 #fff,0 8px 20px -16px rgba(38,23,26,.7);
}
.dock-search input{
  width:100px;
  min-width:0;
  border:0;
  padding:8px 0;
  background:transparent;
  color:var(--plum);
  font:inherit;
  font-size:16px;
}
.dock-search input::placeholder{color:#9d8189}
.dock-search button{
  border:0;
  cursor:pointer;
  padding:9px 14px;
  border-radius:999px;
  background:linear-gradient(180deg,var(--pink),var(--rose));
  color:#40161f;
  font:inherit;
  font-size:16px;
  font-weight:700;
  transition:filter .22s ease,transform .22s ease;
}
.dock-search button:hover{filter:brightness(1.04);transform:translateY(-1px)}

/* ---------- 版心 ---------- */
.page{
  display:grid;
  grid-template-columns:238px minmax(0,1fr);
  gap:clamp(16px,2.4vw,34px);
  align-items:start;
  max-width:1180px;
  margin:0 auto;
  padding:clamp(16px,3vw,42px) clamp(14px,3vw,32px) 0;
}

.rail{
  position:sticky;
  top:24px;
  min-width:0;
}

.rail-card{
  padding:20px 16px 18px;
  border-radius:var(--r);
  border:1px solid rgba(255,255,255,.85);
  background:var(--glass-soft);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}

.rail-title{
  margin:0;
  font-family:'Crimson Pro',Georgia,'Songti SC',serif;
  font-size:21px;
  font-weight:600;
  letter-spacing:.05em;
  color:var(--plum);
}

.rail-card .subtitle{
  margin:2px 0 14px;
  font-size:16px;
  line-height:1.5;
  color:var(--mute);
}

.rail-list{
  counter-reset:rail;
  display:flex;
  flex-direction:column;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.rail-list li{counter-increment:rail}

.rail-list a{
  display:flex;
  align-items:baseline;
  gap:10px;
  min-height:40px;
  padding:8px 10px;
  border-radius:14px;
  color:var(--ink);
  font-size:16px;
  line-height:1.45;
  text-decoration:none;
  transition:background .22s ease,color .22s ease;
}
.rail-list a::before{
  content:counter(rail,decimal-leading-zero);
  font-family:'Crimson Pro',Georgia,serif;
  font-size:14px;
  letter-spacing:.08em;
  color:var(--rose);
}
.rail-list a:hover{background:rgba(235,135,156,.16)}
.rail-list a.on{background:rgba(255,182,193,.36);color:#a63b55}

/* ---------- 正文卡 ---------- */
.sheet{
  min-width:0;
  padding:clamp(20px,3vw,44px);
  border-radius:var(--r);
  border:1px solid rgba(255,255,255,.9);
  background:linear-gradient(180deg,rgba(255,255,255,.76),rgba(255,255,255,.52));
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
}

.hero{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.86fr);
  gap:clamp(18px,3vw,42px);
  align-items:center;
  min-height:66vh;
  padding-bottom:clamp(18px,3vw,34px);
  border-bottom:1px solid var(--line);
}
.hero--solo{grid-template-columns:minmax(0,1fr)}

.hero-copy{text-align:center}

.hero h1{
  margin:0 auto 14px;
  max-width:20ch;
  font-family:'Crimson Pro',Georgia,'Songti SC',serif;
  font-size:clamp(2rem,4.3vw,3.15rem);
  font-weight:600;
  line-height:1.26;
  letter-spacing:.01em;
  color:var(--plum);
}

.hero-desc{
  max-width:36ch;
  margin:0 auto;
  color:#5b4146;
  font-size:16px;
  line-height:1.75;
}

.hero-art-wrap{
  border-radius:var(--r);
  overflow:hidden;
  background:linear-gradient(150deg,#ffd7e0,#ffeeF2);
  box-shadow:0 2px 4px rgba(38,23,26,.06),0 18px 40px -22px rgba(38,23,26,.4);
}
.hero-art{display:block;width:100%;height:auto}

.body{margin-top:clamp(22px,3.4vw,40px)}

.body > div[id]{
  scroll-margin-top:18px;
  scroll-margin-bottom:calc(var(--dock-h) + 30px);
}

.body > div + div{
  margin-top:clamp(28px,4vw,54px);
  padding-top:clamp(28px,4vw,54px);
  border-top:1px dashed rgba(235,135,156,.5);
}

.sheet h2{
  margin:0 0 12px;
  font-family:'Crimson Pro',Georgia,'Songti SC',serif;
  font-size:clamp(1.5rem,2.5vw,1.95rem);
  font-weight:600;
  line-height:1.35;
  letter-spacing:.01em;
  color:var(--plum);
}

.sheet h3{
  margin:24px 0 8px;
  font-family:'Crimson Pro',Georgia,'Songti SC',serif;
  font-size:1.28rem;
  font-weight:600;
  line-height:1.4;
  color:#4a2b31;
}

.sheet p{margin:0 0 14px;font-size:17px}
.sheet ul,.sheet ol{margin:0 0 16px;padding-left:1.3em}
.sheet li{margin:6px 0}
.sheet a{color:#b24360;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.sheet a:hover{color:#8e2f4a}
.sheet strong{color:var(--plum)}
.sheet blockquote{
  margin:0 0 16px;
  padding:14px 18px;
  border-left:3px solid var(--rose);
  border-radius:0 16px 16px 0;
  background:rgba(255,255,255,.6);
  color:#4a2b31;
}
.sheet blockquote p:last-child{margin-bottom:0}
.sheet img{border-radius:18px;box-shadow:var(--shadow)}
.sheet table{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:16px}
.sheet th,.sheet td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left}
.sheet code{
  padding:1px 6px;
  border-radius:8px;
  background:rgba(235,135,156,.18);
  font-size:15px;
}

/* ---------- 页脚 ---------- */
.foot{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:clamp(16px,3vw,40px);
  align-items:start;
  max-width:1180px;
  margin:clamp(28px,4vw,52px) auto 0;
  padding:0 clamp(14px,3vw,32px) 30px;
}

.foot-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:6px 14px 6px 6px;
  border-radius:999px;
  color:var(--plum);
  text-decoration:none;
  font-family:'Crimson Pro',Georgia,'Songti SC',serif;
  font-size:18px;
  font-weight:600;
  letter-spacing:.03em;
}

.foot-nav ul{
  display:flex;
  flex-wrap:wrap;
  gap:2px 4px;
  margin:0;
  padding:0;
  list-style:none;
}
.foot-nav a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:8px 12px;
  border-radius:12px;
  color:var(--ink);
  font-size:16px;
  text-decoration:none;
  transition:background .22s ease;
}
.foot-nav a:hover{background:rgba(235,135,156,.18)}

.foot-base{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  padding-top:14px;
  border-top:1px solid var(--line);
  color:var(--mute);
  font-size:16px;
}
.to-top{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:8px 14px;
  border-radius:12px;
  color:var(--ink);
  text-decoration:none;
}
.to-top:hover{background:rgba(235,135,156,.18)}

/* ---------- 动效 ---------- */
.js .body > div{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .3s ease,transform .3s ease;
}
.js .body > div.in{opacity:1;transform:none}

/* ---------- 窄屏 ---------- */
@media (max-width:1240px){
  .dock-nav{
    grid-column:3;
    grid-row:1;
    display:block;
    min-width:0;
  }
  .dock-toggle{display:inline-flex}
  .dock-list,
  .dock-search{display:none}

  .dock-nav.is-open{
    position:fixed;
    left:0;right:0;
    bottom:calc(var(--dock-h) + env(safe-area-inset-bottom));
    z-index:70;
    display:block;
    max-height:66vh;
    overflow-y:auto;
    padding:14px;
    background:rgba(255,250,251,.98);
    border-top:1px solid var(--line);
    box-shadow:0 -22px 46px -32px rgba(38,23,26,.85);
    -webkit-backdrop-filter:blur(16px);
    backdrop-filter:blur(16px);
  }
  .dock-nav.is-open .dock-list{
    display:flex;
    flex-direction:column;
    gap:2px;
    padding:0;
  }
  .dock-nav.is-open .dock-list a{
    width:100%;
    justify-content:flex-start;
    min-height:46px;
    background:rgba(255,255,255,.66);
    border:1px solid rgba(255,255,255,.9);
  }
  .dock-nav.is-open .dock-search{
    display:flex;
    margin-bottom:10px;
    background:#fff;
  }
  .dock-nav.is-open .dock-search input{width:100%;flex:1}
}

@media (max-width:900px){
  .page{grid-template-columns:minmax(0,1fr)}
  .sheet{order:1}
  .rail{order:2;position:static}
  .rail-list{flex-direction:row;flex-wrap:wrap;gap:4px}
  .rail-list a{min-height:40px;padding:8px 12px;background:rgba(255,255,255,.62);border-radius:12px}
  .rail-list a::before{display:none}
  .hero{grid-template-columns:minmax(0,1fr);min-height:0;padding-bottom:22px}
  .hero h1{max-width:22ch}
  .foot{grid-template-columns:minmax(0,1fr)}
}

@media (max-width:520px){
  body{font-size:17px}
  .page{padding-left:12px;padding-right:12px}
  .foot{padding-left:12px;padding-right:12px}
  .sheet{padding:18px 14px 24px}
  .hero h1{font-size:1.95rem}
  .rail-card{padding:16px 12px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
  .js .body > div{opacity:1;transform:none}
}

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