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

:root{
  --purple:#56228b;
  --purple-soft:#7a49ad;
  --brown:#8b4513;
  --ink:#1f1726;
  --sand:#f7f1e6;
  --clay:#efe2d0;
  --card:#fffaf3;
  --line:rgba(31,23,38,.14);
  --cream:#fdf8f1;
  --dock:78px;
  --radius-s:4px;
}

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

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

body{
  margin:0;
  padding-bottom:calc(var(--dock) + 14px);
  background:var(--sand);
  color:var(--ink);
  font-family:"Figtree","Noto Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.65;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}
p{margin:0}
a{color:var(--purple)}

:where(a,button):focus-visible{
  outline:3px solid var(--purple-soft);
  outline-offset:2px;
  border-radius:var(--radius-s);
}

/* ---------- 底部固定条 ---------- */

.dock{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:60;
  padding:0 clamp(10px,3vw,24px) calc(10px + env(safe-area-inset-bottom,0px));
}

.dock-bar{
  position:relative;
  max-width:1120px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:9px 12px;
  background:rgba(31,23,38,.95);
  color:var(--cream);
  border-radius:26px 26px 20px 20px;
  box-shadow:0 -16px 34px -22px rgba(31,23,38,.9);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}

.mark{
  display:grid;
  place-items:center;
  flex:0 0 auto;
  width:44px;height:44px;
  color:var(--cream);
  background:var(--purple);
  border-radius:52% 48% 46% 54%/48% 52% 48% 52%;
  text-decoration:none;
}
.mark-svg{width:26px;height:26px}
.mark-img{width:34px;height:34px;object-fit:contain;border-radius:50%}

.dock-toggle{
  min-height:44px;
  padding:10px 20px;
  border:0;
  border-radius:18px;
  background:var(--brown);
  color:var(--cream);
  font:inherit;
  font-weight:600;
  letter-spacing:.04em;
  cursor:pointer;
}
.dock-toggle:hover{background:#a1551b}

.dock-nav{
  position:absolute;
  left:0;right:0;
  bottom:calc(100% + 10px);
  max-height:64svh;
  overflow:auto;
  padding:10px;
  background:var(--cream);
  color:var(--ink);
  border-radius:22px;
  box-shadow:0 26px 44px -26px rgba(31,23,38,.8);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s;
}

.dock.is-open .dock-nav{
  opacity:1;
  visibility:visible;
  transform:none;
}

.dock-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:6px;
  margin:0;
}

.dock-row a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:10px 14px;
  border-radius:14px;
  background:#f2e9db;
  color:var(--ink);
  font-size:.95rem;
  text-decoration:none;
}
.dock-row a:hover{background:var(--purple);color:var(--cream)}

.dock-row .split{
  grid-column:1/-1;
  height:1px;
  margin:4px 0;
  background:var(--line);
}

/* ---------- 首屏 ---------- */

.hero{
  position:relative;
  isolation:isolate;
  display:flex;
  align-items:flex-end;
  min-height:100svh;
  padding:96px clamp(18px,5vw,56px) calc(var(--dock) + 44px);
  overflow:hidden;
  border-radius:0 0 34px 34px;
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:2;
  pointer-events:none;
  opacity:.55;
  background-image:radial-gradient(rgba(253,248,241,.28) 1px,transparent 1px);
  background-size:18px 18px;
}

.hero::after{
  content:"";
  position:absolute;
  top:-16%;right:-14%;
  z-index:1;
  width:min(62vw,520px);
  aspect-ratio:1;
  border-radius:56% 44% 62% 38%/44% 56% 44% 56%;
  background:radial-gradient(circle at 32% 32%,rgba(86,34,139,.6),rgba(86,34,139,0) 72%);
  pointer-events:none;
}

.hero-media{
  position:absolute;
  inset:0;
  z-index:0;
  margin:0;
  background:linear-gradient(155deg,#3d1758 0%,#5c2f2a 55%,#8b4513 100%);
}
.hero-media img{width:100%;height:100%;object-fit:cover}

.hero-wash{
  position:absolute;
  inset:0;
  z-index:1;
  background:linear-gradient(180deg,rgba(31,23,38,.14) 0%,rgba(31,23,38,.52) 52%,rgba(31,23,38,.9) 100%);
}

.hero-copy{
  position:relative;
  z-index:3;
  max-width:44rem;
  color:var(--cream);
  text-shadow:0 2px 18px rgba(31,23,38,.5);
}

.hero-eyebrow{
  margin:0 0 14px;
  font-size:.92rem;
  font-weight:600;
  letter-spacing:.16em;
}
.hero-eyebrow span{
  display:inline-block;
  padding:6px 16px;
  border-radius:999px;
  background:rgba(253,248,241,.16);
  -webkit-backdrop-filter:blur(4px);
  backdrop-filter:blur(4px);
}

.hero-h1{
  margin:0 0 16px;
  font-size:clamp(2rem,6.4vw,3.6rem);
  line-height:1.12;
  letter-spacing:-.015em;
}

.hero-lead{
  max-width:34rem;
  font-size:clamp(1rem,2.6vw,1.14rem);
  color:rgba(253,248,241,.88);
}

/* ---------- 正文区 ---------- */

.explore{
  max-width:1120px;
  margin:0 auto;
  padding:clamp(38px,7vw,76px) clamp(18px,5vw,40px) clamp(20px,4vw,36px);
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(22px,4vw,44px);
}

.rail{min-width:0}

.rail-h{
  margin:0 0 12px;
  font-size:.9rem;
  letter-spacing:.14em;
}
.rail-h span{
  display:inline-block;
  padding:5px 14px;
  border-radius:999px;
  background:var(--clay);
  font-weight:600;
}

.rail-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:2px;
}

.rail-list a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:9px 12px;
  border-radius:14px;
  color:var(--ink);
  font-size:.94rem;
  text-decoration:none;
}
.rail-list a:hover{background:var(--card)}
.rail-list b{
  font-size:.78rem;
  font-weight:600;
  color:var(--purple);
  font-variant-numeric:tabular-nums;
}

.prose{min-width:0}

.prose > section{
  position:relative;
  margin-bottom:clamp(16px,3vw,24px);
  padding:clamp(24px,4vw,40px) clamp(18px,3vw,32px);
  background:var(--card);
  border-radius:var(--radius-s);
  box-shadow:0 22px 34px -30px rgba(31,23,38,.8);
  scroll-margin-top:24px;
}

.prose > section:nth-child(2n){
  background:#f3e8d9;
  border-radius:26px 4px 26px 4px;
}

.prose > section:nth-child(3n){
  border-radius:4px 26px 4px 26px;
}

.prose h2{
  margin:0 0 .65em;
  font-size:clamp(1.32rem,3.4vw,1.72rem);
  line-height:1.25;
  letter-spacing:-.01em;
}

.prose h2 span{
  background:linear-gradient(transparent 64%,rgba(139,69,19,.26) 64%);
  padding-bottom:2px;
}

.prose h3{
  margin:1.2em 0 .5em;
  font-size:1.12rem;
  line-height:1.35;
  color:var(--purple);
}

.prose p{margin:0 0 1em}
.prose > section > *:last-child{margin-bottom:0}

.prose ul,.prose ol{margin:0 0 1em;padding-left:1.3em}
.prose li{margin:.32em 0}

.prose a{color:var(--purple);text-underline-offset:3px}

.prose figure{margin:1.3em 0}
.prose figure img,.prose img{border-radius:18px}

.prose blockquote{
  margin:1.3em 0;
  padding:14px 20px;
  background:rgba(86,34,139,.07);
  border-radius:4px 20px 20px 4px;
  color:#3a2f45;
}
.prose blockquote p:last-child{margin-bottom:0}

.prose aside{
  margin:1.3em 0;
  padding:16px 20px;
  background:rgba(139,69,19,.09);
  border-radius:20px 4px 20px 4px;
}

.prose time{
  display:inline-block;
  font-size:.86rem;
  letter-spacing:.04em;
  color:rgba(31,23,38,.62);
}

.prose table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.95rem}
.prose th,.prose td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line)}

/* ---------- 页脚 ---------- */

.foot{
  max-width:1120px;
  margin:0 auto;
  padding:clamp(30px,6vw,60px) clamp(18px,5vw,40px) clamp(30px,5vw,48px);
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px;
  border-top:1px solid var(--line);
}

.foot-cta{
  font-size:clamp(1.55rem,5vw,2.3rem);
  font-weight:600;
  line-height:1.12;
}

.foot-cta a{
  display:inline-block;
  padding:10px 6px;
  color:var(--purple);
  text-decoration:none;
}
.foot-cta a:hover{color:var(--brown)}

.foot-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:18px;
  padding-bottom:6px;
  font-size:.9rem;
  color:rgba(31,23,38,.7);
}
.foot-line a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:8px 4px;
  color:var(--ink);
}

/* ---------- 动效 ---------- */

@media (prefers-reduced-motion: no-preference){
  .rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .65s cubic-bezier(.2,.7,.3,1)}
  .rv.on{opacity:1;transform:none}
  .dock-nav{transition-duration:.26s}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .dock-nav{transition:none}
}

/* ---------- 断点 ---------- */

@media (min-width:760px){
  .dock-row{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:2px;
  }
  .dock-row a{
    background:transparent;
    padding:10px 13px;
    font-size:.94rem;
  }
  .dock-row .split{
    grid-column:auto;
    width:1px;
    height:22px;
    margin:0 7px;
  }
}

@media (min-width:880px){
  .explore{grid-template-columns:238px minmax(0,1fr)}
  .rail{position:sticky;top:28px;align-self:start}
  .rail-list{grid-template-columns:1fr}
  .hero{padding-bottom:calc(var(--dock) + 64px)}
}

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