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

:root{
  --cream:#f5e6c8;
  --cream-d:#ecd9b4;
  --paper:#fbf3e1;
  --caramel:#d4a574;
  --caramel-d:#b3854f;
  --ink:#262117;
  --ink-soft:#4a4132;
  --line:rgba(38,33,23,.2);
  --rail:212px;
  --top:34px;
  --sans:'Exo',system-ui,-apple-system,'PingFang SC','Hiragino Sans GB','Noto Sans SC',sans-serif;
  --mono:'Roboto Mono',ui-monospace,'Courier New',monospace;
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}

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

html{scroll-behavior:smooth;background:var(--cream)}

body{
  margin:0;
  padding-left:var(--rail);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:var(--cream);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:9;
  pointer-events:none;
  background-image:var(--grain);
  opacity:.2;
  mix-blend-mode:multiply;
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:8;
  pointer-events:none;
  background:
    radial-gradient(58% 42% at 6% 0%,rgba(212,165,116,.55),transparent 70%),
    radial-gradient(44% 38% at 100% 10%,rgba(245,214,160,.6),transparent 72%),
    radial-gradient(52% 38% at 46% 106%,rgba(179,133,79,.4),transparent 76%);
  mix-blend-mode:soft-light;
}

img{max-width:100%;height:auto;filter:sepia(.16) saturate(.9) contrast(1.03)}
a{color:inherit}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* 顶部细条 */
.topline{
  position:fixed;
  top:0;
  left:var(--rail);
  right:0;
  height:var(--top);
  z-index:30;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
  background:var(--ink);
  color:var(--cream);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.24em;
  text-transform:uppercase;
}
.tl-brand{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tl-dots{display:flex;gap:6px}
.tl-dots i{width:5px;height:5px;border-radius:50%;background:var(--caramel);animation:blink 3s ease-in-out infinite}
.tl-dots i:nth-child(2){animation-delay:.4s}
.tl-dots i:nth-child(3){animation-delay:.8s}

/* 左侧竖排胶囊导航 */
.rail{
  position:fixed;
  top:var(--top);
  left:0;
  bottom:0;
  width:var(--rail);
  z-index:20;
  display:flex;
  flex-direction:column;
  gap:18px;
  padding:20px 14px 26px;
  border-right:1px solid var(--line);
  background:linear-gradient(180deg,#f8ecd4,#eedcba);
  overflow-y:auto;
  scrollbar-width:thin;
}
.mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  width:46px;
  height:46px;
  border-radius:50%;
  border:1px solid var(--ink);
  background:var(--ink);
  color:var(--cream);
  text-decoration:none;
  font-family:var(--mono);
  font-size:19px;
  font-weight:600;
  filter:saturate(.9);
}
.mark-img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.rail-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.rail-list a{
  display:flex;
  align-items:center;
  gap:9px;
  min-height:44px;
  padding:9px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(251,243,225,.72);
  text-decoration:none;
  color:var(--ink);
  font-size:16px;
  line-height:1.3;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.rail-list a:hover,
.rail-list a:focus-visible{
  background:var(--ink);
  color:var(--cream);
  border-color:var(--ink);
  transform:translateX(3px);
}
.rail-list a.is-active{background:var(--caramel);border-color:var(--caramel-d)}
.idx{font-family:var(--mono);font-size:12px;letter-spacing:.06em;opacity:.62}
.lbl{white-space:nowrap}

/* 主体网格 */
main{
  display:grid;
  grid-template-columns:minmax(0,1fr) 272px;
  column-gap:46px;
  padding:0 46px;
}
main > section{
  grid-column:1;
  scroll-margin-top:calc(var(--top) + 22px);
}

/* 首屏 */
.hero{
  grid-column:1 / -1;
  position:relative;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:26px;
  text-align:center;
  padding:calc(var(--top) + 54px) 0 64px;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:0;
  background-image:radial-gradient(rgba(38,33,23,.34) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.75;
  -webkit-mask-image:radial-gradient(72% 62% at 50% 46%,#000,transparent 78%);
  mask-image:radial-gradient(72% 62% at 50% 46%,#000,transparent 78%);
}
.hero > *{position:relative;z-index:1}
.hero-h1{
  margin:0;
  max-width:17ch;
  font-size:clamp(2.1rem,6.4vw,4.8rem);
  line-height:1.12;
  font-weight:700;
  letter-spacing:.015em;
  text-shadow:2px 2px 0 rgba(212,165,116,.6),6px 6px 0 rgba(212,165,116,.22);
}
.plate{
  margin:0;
  padding:12px 12px 34px;
  background:var(--paper);
  border:1px solid var(--line);
  box-shadow:0 20px 36px -24px rgba(38,33,23,.7);
  transform:rotate(-3deg);
  animation:shake 9s ease-in-out infinite;
}
.plate-shot{
  position:relative;
  width:180px;
  height:132px;
  display:grid;
  place-items:center;
  overflow:hidden;
  background:linear-gradient(150deg,#e9ca9f,#c99f70 58%,#a87e4e);
  filter:sepia(.35) contrast(1.05) saturate(.85);
}
.plate-shot::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:var(--grain);
  opacity:.55;
  mix-blend-mode:overlay;
}
.plate-n{
  font-family:var(--mono);
  font-weight:700;
  font-size:56px;
  letter-spacing:.06em;
  color:#fff8e8;
  text-shadow:0 2px 0 rgba(38,33,23,.4);
}
.plate figcaption{
  margin-top:10px;
  text-align:center;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.28em;
  color:var(--ink-soft);
}
.hint{font-family:var(--mono);font-size:12px;letter-spacing:.3em;color:var(--ink-soft)}
.hint::after{
  content:"";
  display:block;
  width:1px;
  height:26px;
  margin:8px auto 0;
  background:var(--ink-soft);
  animation:drop 2.4s ease-in-out infinite;
}

/* 正文区块 */
main > section:not(.hero){
  padding:58px 0;
  border-top:1px solid var(--line);
}
main > section:not(.hero) > *{max-width:70ch}
main > section:not(.hero) h2{
  position:relative;
  margin:.15em 0 .65em;
  padding-left:20px;
  font-size:clamp(1.45rem,2.9vw,2rem);
  line-height:1.32;
  letter-spacing:.01em;
}
main > section:not(.hero) h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.24em;
  bottom:.24em;
  width:6px;
  border-radius:3px;
  background:var(--caramel);
}
main > article:not(.hero) h2 + p{margin-top:.2em}
h3{font-size:1.16rem;line-height:1.4}
p{margin:0 0 1.05em}
ul,ol{padding-left:1.35em}
li{margin:.35em 0}
strong{background:linear-gradient(transparent 62%,rgba(212,165,116,.85) 62%)}
a{text-underline-offset:3px;text-decoration-color:var(--caramel-d)}
a:hover{color:var(--caramel-d)}
blockquote{
  margin:1.4em 0;
  padding:14px 20px;
  border-left:4px solid var(--caramel);
  border-radius:0 28px 28px 0;
  background:rgba(251,243,225,.78);
}
figure{margin:1.4em 0}
figure img{border-radius:28px}
table{width:100%;border-collapse:collapse;font-size:16px}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left}

/* 右侧栏 */
.side{
  grid-column:2;
  grid-row:2;
  align-self:start;
  position:sticky;
  top:calc(var(--top) + 26px);
  padding:22px 20px;
  border:1px solid var(--line);
  border-radius:28px;
  background:rgba(251,243,225,.85);
  box-shadow:inset 0 -5px 0 var(--caramel);
}
.side small{
  display:block;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.28em;
  color:var(--caramel-d);
}
.side h2{margin:4px 0 14px;font-size:1.12rem}
.side-list{list-style:none;margin:0 0 16px;padding:0;font-size:16px;line-height:1.5}
.side-list a{
  display:block;
  min-height:40px;
  padding:8px 0;
  border-bottom:1px dashed var(--line);
  text-decoration:none;
}
.side-list a:hover{color:var(--caramel-d)}
.totop{
  display:inline-block;
  min-height:40px;
  padding:9px 18px;
  border-radius:999px;
  background:var(--ink);
  color:var(--cream);
  font-size:15px;
  text-decoration:none;
}
.totop:hover{background:var(--caramel-d);color:#fff}

/* 页脚 */
footer{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.2fr;
  gap:36px;
  margin-top:64px;
  padding:44px 46px 0;
  background:var(--ink);
  color:var(--cream);
}
footer small{
  display:block;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.28em;
  color:var(--caramel);
}
footer h3{margin:5px 0 12px;font-size:1.05rem;color:var(--cream)}
.f-note{margin:0;font-size:16px;color:#e7d6b9}
.f-nav ul{list-style:none;margin:0;padding:0}
.f-nav a{
  display:block;
  min-height:40px;
  padding:8px 0;
  border-bottom:1px solid rgba(245,230,200,.16);
  color:#e7d6b9;
  text-decoration:none;
}
.f-nav a:hover{color:var(--caramel)}
.sub-form{display:flex;flex-wrap:wrap;gap:10px}
.sub-form input{
  flex:1 1 150px;
  min-height:44px;
  padding:10px 16px;
  border-radius:999px;
  border:1px solid rgba(245,230,200,.4);
  background:rgba(245,230,200,.08);
  color:var(--cream);
  font:inherit;
  font-size:16px;
}
.sub-form input::placeholder{color:rgba(245,230,200,.6)}
.sub-form button{
  min-height:44px;
  padding:10px 22px;
  border:0;
  border-radius:999px;
  background:var(--caramel);
  color:var(--ink);
  font:inherit;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
}
.sub-form button:hover{background:#e0b686}
.f-bar{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:8px;
  padding:16px 0 22px;
  border-top:1px solid rgba(245,230,200,.2);
  font-size:15px;
  color:#cbb99a;
}
.f-links{display:flex;flex-wrap:wrap;gap:16px}
.f-links a{display:inline-block;padding:4px 0;color:#cbb99a;text-decoration:none}
.f-links a:hover{color:var(--caramel)}

/* 进场 */
.rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.rv:nth-of-type(odd){transition-delay:.07s}
.rv.in{opacity:1;transform:none}

@keyframes blink{0%,100%{opacity:.35}50%{opacity:1}}
@keyframes shake{0%,100%{transform:rotate(-3deg)}50%{transform:rotate(-1.2deg) translateY(-4px)}}
@keyframes drop{0%,100%{opacity:.3;transform:translateY(0)}50%{opacity:1;transform:translateY(7px)}}

@media (max-width:1120px){
  main{grid-template-columns:minmax(0,1fr)}
  .side{grid-column:1;grid-row:auto;position:static;margin-bottom:40px}
  main > article:not(.hero){max-width:none}
}

@media (max-width:860px){
  body{padding-left:0;padding-top:var(--top)}
  .topline{left:0;padding:0 14px;font-size:11px;letter-spacing:.16em}
  .rail{
    position:sticky;
    top:var(--top);
    left:0;
    right:0;
    bottom:auto;
    width:auto;
    height:auto;
    flex-direction:row;
    align-items:center;
    gap:12px;
    padding:10px 14px;
    border-right:0;
    border-bottom:1px solid var(--line);
    overflow:visible;
  }
  .mark{width:42px;height:42px;font-size:17px}
  .rail nav{flex:1 1 auto;min-width:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .rail nav::-webkit-scrollbar{display:none}
  .rail-list{flex-direction:row;gap:8px;padding-bottom:2px}
  .rail-list a{white-space:nowrap;min-height:44px;padding:10px 14px}
  .rail-list a:hover{transform:none}
  main{padding:0 18px}
  .hero{min-height:74vh;padding:34px 0 44px;gap:20px}
  .hero-h1{max-width:100%;font-size:clamp(1.9rem,9vw,3rem)}
  .plate{padding:10px 10px 28px}
  .plate-shot{width:150px;height:110px}
  main > article:not(.hero){padding:40px 0}
  footer{grid-template-columns:1fr;gap:26px;margin-top:48px;padding:32px 18px 0}
  .f-bar{flex-direction:column;align-items:flex-start;padding-bottom:26px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  .plate,.tl-dots i,.hint::after{animation:none}
}

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