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

:root{
  --plum:#56228b;
  --plum-soft:rgba(86,34,139,.1);
  --clay:#8b4513;
  --ink:#1f1726;
  --paper:#f8f3ec;
  --sand:#eee0cd;
  --line:rgba(31,23,38,.14);
  --r-card:4px;
  --r-soft:22px;
}

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

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

body{
  margin:0;
  font-family:Karla,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    radial-gradient(circle at 10% 6%, rgba(139,69,19,.09), transparent 40%),
    radial-gradient(circle at 92% 2%, rgba(86,34,139,.1), transparent 36%),
    radial-gradient(circle at 50% 100%, rgba(139,69,19,.06), transparent 46%);
  background-attachment:fixed;
}

img{display:block;max-width:100%}
a{color:var(--plum)}

h1,h2,h3{
  font-family:"Playfair Display SC",Georgia,"Songti SC",serif;
  font-weight:700;
  line-height:1.28;
  letter-spacing:.01em;
}

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

/* ---------- masthead ---------- */
.mast{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  grid-template-areas:"brand drawer search";
  align-items:center;
  gap:10px 20px;
  padding:12px clamp(14px,4vw,40px);
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,#fcf8f2,#f3ece1);
}

.brand{
  grid-area:brand;
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:6px 12px;
  border-radius:999px;
  text-decoration:none;
  color:var(--ink);
  font-family:"Playfair Display SC",Georgia,serif;
  font-size:1.02rem;
  letter-spacing:.07em;
}

.brand-mark{
  width:32px;height:32px;
  object-fit:cover;
  border-radius:52% 48% 44% 56%;
  border:1px solid var(--line);
}

.drawer{
  grid-area:drawer;
  justify-self:start;
  min-width:0;
  max-width:100%;
}

.drawer-btn{
  list-style:none;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:44px;
  padding:8px 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:var(--ink);
  font-size:.9rem;
  letter-spacing:.18em;
}

.drawer-btn::-webkit-details-marker{display:none}

.drawer-btn::after{
  content:"";
  width:7px;height:7px;
  border-right:2px solid var(--clay);
  border-bottom:2px solid var(--clay);
  transform:rotate(45deg) translateY(-2px);
  transition:transform .25s ease;
}

.drawer[open] .drawer-btn::after{
  transform:rotate(-135deg) translateY(-2px);
}

.nav-list{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:2px;
  margin:0;
  padding:0;
}

.nav-a{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:6px 12px;
  border-radius:999px;
  text-decoration:none;
  color:var(--ink);
  font-size:.94rem;
}

.nav-a:hover,
.nav-a:focus-visible{
  background:var(--plum-soft);
  color:var(--plum);
}

.search{
  grid-area:search;
  display:flex;
  align-items:center;
  gap:6px;
  padding:3px 3px 3px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
}

.search input{
  width:10ch;
  min-width:0;
  padding:6px 0;
  border:0;
  background:transparent;
  font:inherit;
  font-size:.94rem;
  color:var(--ink);
}

.search input:focus{outline:none}

.search button{
  min-height:40px;
  padding:8px 15px;
  border:0;
  border-radius:999px;
  background:var(--plum);
  color:#fdf7ff;
  font:inherit;
  font-size:.9rem;
  cursor:pointer;
}

/* ---------- sticky anchor rail ---------- */
.rail{
  position:sticky;
  top:0;
  z-index:40;
  border-bottom:1px solid var(--line);
  background:rgba(248,243,236,.95);
  backdrop-filter:blur(8px);
}

.rail-in{
  display:flex;
  gap:2px;
  overflow-x:auto;
  padding:0 clamp(10px,4vw,40px);
  scrollbar-width:none;
}

.rail-in::-webkit-scrollbar{display:none}

.rail-in a{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  border-bottom:2px solid transparent;
  text-decoration:none;
  color:var(--clay);
  font-size:.9rem;
  letter-spacing:.07em;
}

.rail-in a:hover,
.rail-in a:focus-visible{
  color:var(--plum);
  border-bottom-color:var(--plum);
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  display:flex;
  align-items:flex-end;
  justify-content:flex-end;
  min-height:84svh;
  overflow:hidden;
  padding:clamp(24px,6vw,64px) clamp(18px,6vw,64px) clamp(52px,9vw,96px);
  background:linear-gradient(158deg,#361656,#56228b 46%,#8b4513);
  border-bottom-left-radius:50% 58px;
  border-bottom-right-radius:50% 58px;
}

.hero-img{
  position:absolute;
  inset:0;
  width:100%;
  height:112%;
  object-fit:cover;
  opacity:.58;
  will-change:transform;
}

.hero-veil{
  position:absolute;
  inset:0;
  background:linear-gradient(255deg,rgba(31,23,38,.86),rgba(31,23,38,.3) 56%,rgba(31,23,38,.06));
}

.hero-copy{
  position:relative;
  max-width:min(760px,92%);
  text-align:right;
}

.hero-copy h1{
  margin:0;
  color:#fdf9f2;
  font-size:clamp(2.05rem,6.4vw,4.35rem);
  text-shadow:0 14px 34px rgba(0,0,0,.4);
}

.hero-more{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  margin-top:20px;
  padding:10px 24px;
  border:1px solid rgba(253,249,242,.55);
  border-radius:999px;
  background:rgba(253,249,242,.14);
  color:#fdf9f2;
  text-decoration:none;
  font-size:.88rem;
  letter-spacing:.22em;
}

.hero-more:hover{background:rgba(253,249,242,.26)}

/* ---------- layout ---------- */
.wrap{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:clamp(20px,3.5vw,46px);
  align-items:start;
  max-width:1180px;
  margin:0 auto;
  padding:clamp(28px,5vw,60px) clamp(16px,4vw,40px) 40px;
}

.side{
  position:sticky;
  top:64px;
  padding:16px 14px;
  border:1px solid rgba(86,34,139,.24);
  border-radius:var(--r-card);
  background:rgba(255,252,247,.86);
}

.side-title{
  margin:0 0 8px;
  font-size:1rem;
  letter-spacing:.05em;
  color:var(--plum);
}

.side hr{
  width:34px;
  height:2px;
  margin:0 0 12px;
  border:0;
  background:var(--clay);
}

.side-list{
  list-style:none;
  display:grid;
  gap:2px;
  margin:0;
  padding:0;
}

.side-list a{
  display:flex;
  align-items:center;
  min-height:40px;
  padding:4px 8px;
  border-radius:var(--r-card);
  text-decoration:none;
  color:var(--ink);
  font-size:.93rem;
}

.side-list a:hover{
  background:rgba(139,69,19,.12);
  color:var(--clay);
}

.stream{min-width:0}

.prose{
  padding:clamp(18px,3.4vw,42px);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fffdfa;
}

.prose div{
  padding-block:26px;
  scroll-margin-top:78px;
}

.prose div + div{border-top:1px solid var(--line)}
.prose div:first-child{padding-top:0}

.prose h2{
  margin:0 0 10px;
  font-size:clamp(1.32rem,3.1vw,1.85rem);
  color:var(--plum);
}

.prose h2 + hr{
  width:56px;
  height:3px;
  margin:0 0 18px;
  border:0;
  border-radius:3px;
  background:linear-gradient(90deg,var(--plum),var(--clay));
}

.prose h3{
  margin:24px 0 8px;
  font-size:1.14rem;
  color:var(--clay);
}

.prose h3 + hr{
  width:40px;
  height:2px;
  margin:0 0 14px;
  border:0;
  background:var(--sand);
}

.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 16px;padding-left:1.35em}
.prose li{margin-bottom:8px}
.prose a{color:var(--plum);text-underline-offset:3px}
.prose strong{color:#3d1145}

.prose blockquote{
  margin:0 0 18px;
  padding:14px 20px;
  border-left:4px solid var(--clay);
  border-radius:0 var(--r-soft) var(--r-soft) 0;
  background:var(--sand);
}

.prose img{
  margin:0 0 18px;
  border:1px solid var(--line);
  border-radius:var(--r-soft);
}

.prose table{
  display:block;
  width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  font-size:.95rem;
}

.prose th,.prose td{
  padding:9px 12px;
  border-bottom:1px solid var(--line);
  text-align:left;
}

.prose figure{margin:0 0 18px}
.prose figcaption{font-size:.88rem;color:#5d5568}

/* ---------- footer ---------- */
.foot{
  margin-top:clamp(30px,6vw,70px);
  padding:clamp(28px,5vw,56px) clamp(16px,4vw,40px) 22px;
  border-top-left-radius:50% 44px;
  border-top-right-radius:50% 44px;
  background:var(--ink);
  color:#efe6da;
}

.foot-cta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  max-width:1180px;
  margin:0 auto clamp(26px,4vw,44px);
  padding:clamp(20px,4vw,40px);
  border:1px solid rgba(238,224,205,.24);
  border-radius:var(--r-soft);
  background:radial-gradient(circle at 82% 18%,rgba(86,34,139,.62),transparent 62%);
}

.cta-title{
  margin:0;
  font-size:clamp(1.45rem,4vw,2.35rem);
  color:#fdf7ee;
}

.cta-btn{
  display:inline-flex;
  align-items:center;
  min-height:46px;
  padding:12px 26px;
  border-radius:999px;
  background:#fdf7ee;
  color:var(--ink);
  text-decoration:none;
  font-size:.88rem;
  letter-spacing:.18em;
}

.foot-cols{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:clamp(18px,3vw,40px);
  max-width:1180px;
  margin:0 auto;
}

.fcol{margin:0}

.fcol dt{
  margin-bottom:8px;
  font-family:"Playfair Display SC",Georgia,serif;
  letter-spacing:.1em;
  color:#f0c8a2;
}

.fcol dd{
  margin:0 0 2px;
  font-size:.94rem;
  color:#d9cdbd;
}

.fcol a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  color:#e8ddcd;
  text-decoration:none;
}

.fcol a:hover,
.fcol a:focus-visible{color:#fff;text-decoration:underline}

.foot-bar{
  max-width:1180px;
  margin:clamp(20px,4vw,34px) auto 0;
  padding-top:14px;
  border-top:1px solid rgba(238,224,205,.18);
  text-align:center;
  font-size:.86rem;
  color:#bdb0a0;
}

.foot-bar p{margin:0}

/* ---------- motion ---------- */
.js-reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .55s ease,transform .55s ease;
}

.js-reveal.in{opacity:1;transform:none}

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

/* ---------- breakpoints ---------- */
@media (max-width:980px){
  .wrap{grid-template-columns:1fr}
  .stream{order:1}
  .side{order:2;position:static}
  .foot-cols{grid-template-columns:1fr 1fr}
}

@media (max-width:720px){
  .mast{
    grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:"brand search" "drawer drawer";
    gap:6px 8px;
    padding:8px 12px;
  }
  .brand{font-size:.96rem;padding:6px 8px}
  .search input{width:100%}
  .drawer-btn{min-height:40px;padding:6px 14px;font-size:.85rem}
  .nav-list{
    display:flex;
    flex-wrap:nowrap;
    overflow-x:auto;
    gap:2px;
    margin-top:6px;
    padding-bottom:2px;
    scrollbar-width:none;
  }
  .nav-list::-webkit-scrollbar{display:none}
  .nav-a{flex:0 0 auto;min-height:40px;font-size:.9rem;padding:6px 10px}
  .rail-in a{min-height:42px;padding:0 11px;font-size:.85rem}
  .hero{
    min-height:0;
    align-items:flex-start;
    justify-content:flex-start;
    padding:22px 18px 34px;
    border-bottom-left-radius:34% 30px;
    border-bottom-right-radius:34% 30px;
  }
  .hero-img{height:100%;opacity:.5}
  .hero-veil{background:linear-gradient(200deg,rgba(31,23,38,.74),rgba(31,23,38,.5))}
  .hero-copy{max-width:100%;text-align:left}
  .hero-copy h1{font-size:clamp(1.85rem,7.4vw,2.4rem)}
  .hero-more{margin-top:14px;padding:9px 20px;font-size:.82rem;letter-spacing:.16em}
  .side-list a{min-height:44px}
  .prose div{scroll-margin-top:56px}
  .foot-cols{grid-template-columns:1fr}
}

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