@import url('https://fonts.googleapis.com/css2?family=Cormorant+Infant:wght@300;400;500;600;700&family=Great+Vibes&display=swap');

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

:root{
  --ink:#1f1f1f;
  --paper:#ffffff;
  --ghost:#f5f5f5;
  --line:rgba(31,31,31,.1);
  --soft:rgba(31,31,31,.62);
  --e1:0 1px 2px rgba(31,31,31,.07);
  --e2:0 4px 10px -4px rgba(31,31,31,.18),0 2px 4px rgba(31,31,31,.05);
  --e3:0 14px 30px -14px rgba(31,31,31,.26),0 6px 12px -8px rgba(31,31,31,.12);
  --e4:0 28px 54px -22px rgba(31,31,31,.34),0 12px 22px -12px rgba(31,31,31,.16);
  --serif:"Cormorant Infant","Songti SC","Noto Serif SC",Georgia,"Microsoft YaHei",serif;
  --script:"Great Vibes","Cormorant Infant","Songti SC","Noto Serif SC",serif;
  --shell:1080px;
}

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

body{
  margin:0;
  min-height:100vh;
  font-family:var(--serif);
  font-size:17px;
  line-height:1.72;
  color:var(--ink);
  background:
    radial-gradient(1100px 480px at 88% -10%,#ffffff 0%,rgba(255,255,255,0) 72%),
    var(--ghost);
}

img{display:block;max-width:100%;height:auto}
a{color:inherit}
.sr{
  position:absolute;width:1px;height:1px;overflow:hidden;
  clip-path:inset(50%);white-space:nowrap;
}

/* ── 顶栏：品牌行 + 药丸菜单行 ── */
.masthead{
  position:sticky;
  top:0;
  z-index:4;
  padding-top:10px;
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
  box-shadow:var(--e1);
}

.mast-top{
  max-width:var(--shell);
  margin:0 auto;
  padding:0 20px 8px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:40px;
  padding:4px 2px;
  font-family:var(--script);
  font-size:25px;
  line-height:1.1;
  letter-spacing:.02em;
  text-decoration:none;
  text-shadow:0 1px 0 rgba(255,255,255,.9);
}
.brand-img{height:34px;width:auto;border-radius:4px;box-shadow:var(--e1)}

.finder{
  display:flex;
  align-items:center;
  gap:6px;
  flex:0 1 268px;
  min-width:0;
  padding:3px 3px 3px 12px;
  border:1px solid var(--line);
  border-radius:4px;
  background:var(--paper);
  box-shadow:var(--e1);
  transition:box-shadow .25s ease;
}
.finder:focus-within{box-shadow:var(--e3)}
.finder input{
  flex:1 1 auto;
  min-width:0;
  min-height:40px;
  padding:8px 0;
  border:0;
  background:transparent;
  color:var(--ink);
  font:inherit;
  font-size:16px;
  outline:none;
}
.finder button{
  flex:0 0 auto;
  min-height:40px;
  padding:6px 14px;
  border:0;
  border-radius:4px;
  background:var(--ink);
  color:#fff;
  font:inherit;
  font-size:16px;
  line-height:1.2;
  cursor:pointer;
  transition:transform .2s ease;
}
.finder button:hover{transform:translateY(-1px)}

.pills{
  max-width:var(--shell);
  margin:0 auto;
  padding:0 20px 10px;
}
.pills ul{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  justify-content:flex-end;
  margin:0;
  padding:0;
  list-style:none;
}
.pills li{animation:rise .5s ease both}
.pills a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:8px 15px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--paper);
  box-shadow:var(--e1);
  font-size:16px;
  line-height:1.2;
  text-decoration:none;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
}
.pills a:hover,
.pills a:focus-visible{
  transform:translateY(-2px);
  box-shadow:var(--e3);
}
.pills a.on{
  background:var(--ink);
  border-color:var(--ink);
  color:#fff;
  box-shadow:var(--e3);
}

/* ── 主区：左侧目录栏 + 右侧层叠卡片 ── */
main{
  max-width:var(--shell);
  margin:0 auto;
  padding:24px 20px 72px;
  display:grid;
  grid-template-columns:minmax(0,3fr) minmax(0,7fr);
  gap:0 26px;
  align-items:start;
}

main > .rail{
  grid-column:1;
  grid-row:1 / -1;
  align-self:start;
  position:sticky;
  top:138px;
  padding:16px 14px;
  border-radius:4px;
  background:var(--paper);
  box-shadow:var(--e1);
  text-align:right;
}
.rail small{
  display:block;
  font-family:var(--script);
  font-size:16px;
  letter-spacing:.08em;
  color:var(--soft);
  margin-bottom:2px;
}
.rail h2{
  margin:0 0 10px;
  font-size:19px;
  font-weight:600;
  line-height:1.35;
}
.rail ul{
  display:grid;
  gap:4px;
  margin:0;
  padding:0;
  list-style:none;
}
.rail li{animation:rise .5s ease both}
.rail a{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  min-height:40px;
  padding:6px 10px;
  border-radius:4px;
  font-size:16px;
  line-height:1.3;
  text-decoration:none;
  transition:background .2s ease,box-shadow .2s ease,transform .2s ease,color .2s ease;
}
.rail a:hover,
.rail a:focus-visible{
  background:var(--ghost);
  box-shadow:var(--e1);
  transform:translateX(-2px);
}
.rail a.on{background:var(--ink);color:#fff;box-shadow:var(--e2)}

main > div{
  grid-column:2;
  position:relative;
  z-index:1;
  margin:0 0 22px;
  padding:24px 26px;
  border-radius:4px;
  background:var(--paper);
  box-shadow:var(--e2);
  text-align:right;
  transition:transform .3s ease,box-shadow .3s ease;
  scroll-margin-top:150px;
}
main > div:nth-of-type(even){
  z-index:2;
  margin-left:24px;
  box-shadow:var(--e3);
}
main > div:hover{
  z-index:3;
  transform:translateY(-5px);
  box-shadow:var(--e4);
}

/* ── 首屏 ── */
main > .hero{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  align-items:stretch;
  gap:22px;
  min-height:45vh;
  margin-left:0;
  padding:18px;
  z-index:2;
}
.hero-art{
  position:relative;
  z-index:2;
  margin:0;
  height:100%;
  min-height:240px;
  overflow:hidden;
  border-radius:4px;
  background:linear-gradient(145deg,#ffffff 0%,#ececec 55%,#ffffff 100%);
  box-shadow:var(--e4);
}
.hero-art img{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1.06);
  will-change:transform;
}
.hero-say{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:10px;
  text-align:right;
}
.hero-say h1{
  margin:0;
  font-family:var(--script);
  font-size:clamp(27px,4.4vw,45px);
  font-weight:600;
  line-height:1.26;
  letter-spacing:.01em;
}
.hero-desc{
  margin:0;
  font-size:16px;
  line-height:1.7;
  color:var(--soft);
}

/* ── 正文排版 ── */
main small{
  display:block;
  margin-bottom:2px;
  font-family:var(--script);
  font-size:16px;
  letter-spacing:.08em;
  color:var(--soft);
}
main h2{
  margin:.15em 0 .55em;
  font-size:clamp(21px,2.5vw,28px);
  font-weight:600;
  line-height:1.36;
}
main h3{
  margin:1.2em 0 .35em;
  font-size:19px;
  font-weight:600;
  line-height:1.4;
}
main h4{
  margin:1.1em 0 .3em;
  font-size:17px;
  font-weight:600;
}
main p{margin:.65em 0}
main ul,main ol{
  margin:.6em 0;
  padding:0 1.25em 0 0;
  list-style-position:inside;
}
main li{margin:.28em 0}
main blockquote{
  margin:.9em 0;
  padding:12px 16px;
  border-right:3px solid var(--ink);
  border-radius:4px;
  background:var(--ghost);
  box-shadow:var(--e1);
}
main blockquote p{margin:0}
main table{
  width:100%;
  margin:.9em 0;
  border-collapse:collapse;
  font-size:16px;
  box-shadow:var(--e1);
  border-radius:4px;
  overflow:hidden;
}
main th,main td{
  padding:9px 8px;
  border-bottom:1px solid var(--line);
  text-align:right;
  vertical-align:top;
}
main th{background:var(--ghost);font-weight:600}
main p a,main li a,main td a{
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
}
main img{border-radius:4px;box-shadow:var(--e2)}
main figure{margin:.9em 0}

/* ── 页脚 ── */
.base{
  max-width:var(--shell);
  margin:0 auto;
  padding:26px 20px 44px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 20px;
}
.base-mark{
  font-family:var(--script);
  font-size:clamp(22px,4vw,38px);
  line-height:1.12;
  text-shadow:0 2px 0 rgba(255,255,255,.85);
}
.base nav{flex:1 1 300px;min-width:0}
.base nav ul{
  display:flex;
  flex-wrap:wrap;
  gap:2px 4px;
  justify-content:center;
  margin:0;
  padding:0;
  list-style:none;
}
.base nav a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:4px 9px;
  border-radius:4px;
  font-size:16px;
  line-height:1.3;
  text-decoration:none;
  transition:background .2s ease,box-shadow .2s ease;
}
.base nav a:hover{background:var(--paper);box-shadow:var(--e1)}
.base-copy{
  flex:1 1 170px;
  margin:0;
  font-size:16px;
  text-align:center;
  color:var(--soft);
}

/* ── 回顶 ── */
.to-top{
  position:fixed;
  right:16px;
  bottom:16px;
  z-index:5;
  min-height:44px;
  padding:10px 15px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  color:var(--ink);
  font:inherit;
  font-size:16px;
  line-height:1.2;
  box-shadow:var(--e3);
  cursor:pointer;
  opacity:0;
  transform:translateY(12px);
  pointer-events:none;
  transition:opacity .28s ease,transform .28s ease;
}
.to-top.on{opacity:1;transform:none;pointer-events:auto}

@keyframes rise{
  from{opacity:0;transform:translateY(9px)}
  to{opacity:1;transform:none}
}
.pills li:nth-child(2),.rail li:nth-child(2){animation-delay:.05s}
.pills li:nth-child(3),.rail li:nth-child(3){animation-delay:.1s}
.pills li:nth-child(4),.rail li:nth-child(4){animation-delay:.15s}
.pills li:nth-child(5),.rail li:nth-child(5){animation-delay:.2s}
.pills li:nth-child(6),.rail li:nth-child(6){animation-delay:.25s}
.pills li:nth-child(7),.rail li:nth-child(7){animation-delay:.3s}

/* ── 断点 ── */
@media (max-width:880px){
  .masthead{position:static}
  main{
    grid-template-columns:minmax(0,1fr);
    gap:0;
    padding:16px 16px 60px;
  }
  main > .rail{
    grid-column:1;
    grid-row:auto;
    position:static;
    order:5;
    margin:4px 0 24px;
  }
  main > div{
    grid-column:1;
    padding:20px 18px;
    scroll-margin-top:24px;
  }
  main > div:nth-of-type(even){margin-left:10px}
  main > .hero{
    grid-template-columns:minmax(0,1fr);
    min-height:0;
    padding:14px;
    gap:16px;
  }
  .hero-art{min-height:0;aspect-ratio:16/9}
  .hero-art img{height:100%;transform:none}
  .pills ul{justify-content:flex-start}
}

@media (max-width:560px){
  .mast-top{flex-wrap:wrap;padding-bottom:6px}
  .finder{flex:1 1 100%}
  .base{flex-direction:column;align-items:stretch;text-align:center}
  .base-mark{text-align:center}
  .base nav ul{justify-content:center}
  .base-copy{flex:1 1 auto}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.01ms !important;
    animation-delay:0ms !important;
    transition-duration:.01ms !important;
  }
}

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