:root{
  --paper:#fafaf8;
  --ink:#1a1a1a;
  --gray:#4a4a4a;
  --line:rgba(26,26,26,.32);
  --navh:176px;
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  overflow-x:clip;
  background-color:var(--paper);
  color:var(--ink);
  font-family:"Space Grotesk","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.72;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='170' height='170'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='170' height='170' filter='url(%23n)' opacity='0.3'/></svg>");
  background-attachment:fixed;
}
:focus-visible{outline:3px solid var(--ink);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
h1,h2,h3{font-weight:700;line-height:1.1;letter-spacing:-.035em}
p{margin:0 0 1rem}
a{color:inherit}
img{max-width:100%}

/* 顶部：品牌一行，菜单一行 */
.top{
  position:sticky;top:0;z-index:40;
  background:var(--paper);
  border-bottom:2px solid var(--ink);
  padding:.5rem clamp(.8rem,3vw,1.8rem) .6rem;
  box-shadow:0 3px 0 rgba(26,26,26,.07);
}
.brandrow{display:flex;align-items:center;justify-content:space-between;gap:.8rem;max-width:var(--maxw);margin:0 auto}
.brand{display:inline-flex;align-items:center;gap:.6rem;min-height:44px;text-decoration:none}
.mark{
  display:inline-grid;place-items:center;min-width:40px;height:40px;padding:0 .3rem;
  border:2px solid var(--ink);border-radius:10px;background:#fff;
  font-size:.82rem;font-weight:700;overflow:hidden;transform:rotate(-2.5deg);
}
.mark img{width:100%;height:100%;object-fit:cover}
.bname{font-size:clamp(1.05rem,3.4vw,1.5rem);font-weight:700;letter-spacing:-.03em}
.stamp{border:2px solid var(--gray);border-radius:999px;padding:.25rem .7rem;font-size:.76rem;color:var(--gray);transform:rotate(1.6deg)}
.navrow{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;max-width:var(--maxw);margin:.45rem auto 0}
.pills{min-width:0}
.pills details{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;min-width:0}
.pills summary{
  list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:.35rem;
  min-height:44px;padding:.4rem .85rem;border:2px solid var(--ink);border-radius:999px;
  background:#fff;font-weight:600;font-size:.92rem;
}
.pills summary::-webkit-details-marker{display:none}
.pills summary::after{content:"+";font-weight:700;line-height:1}
.pills details[open] summary::after{content:"–"}
.pills menu{display:flex;flex-wrap:wrap;gap:.4rem;margin:0;padding:0;list-style:none;min-width:0}
.pills menu li a{
  display:inline-flex;align-items:center;min-height:44px;padding:.4rem .8rem;
  border:2px solid var(--line);border-radius:999px;background:#fff;
  text-decoration:none;font-size:.9rem;transform:rotate(-.7deg);
}
.pills menu li:nth-child(even) a{transform:rotate(.8deg);border-color:var(--gray)}
.pills menu li a:hover,.pills menu li a:focus-visible{background:var(--ink);color:var(--paper);border-color:var(--ink);transform:rotate(0)}
.finder{display:flex;align-items:center;gap:.35rem;margin-left:auto;min-width:0}
.finder input{
  height:44px;width:clamp(8.5rem,24vw,14rem);min-width:0;padding:0 .8rem;
  border:2px solid var(--ink);border-radius:999px;background:#fff;font:inherit;font-size:.9rem;color:var(--ink);
}
.finder input::placeholder{color:#8d8d8d}
.finder button{
  height:44px;padding:0 .95rem;border:2px solid var(--ink);border-radius:999px;
  background:var(--ink);color:var(--paper);font:inherit;font-size:.9rem;font-weight:600;cursor:pointer;
}

/* 头条区：紧凑、左对齐、斜切底边 */
.hero{
  position:relative;overflow:hidden;display:flex;align-items:center;min-height:45vh;
  padding:clamp(1.2rem,4vw,2.4rem) clamp(.9rem,3vw,1.8rem) clamp(2.4rem,6vw,3.4rem);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 26px),0 100%);
  border-bottom:2px solid var(--ink);
}
.hero-art{position:absolute;inset:-10% 0 0 0;z-index:0;will-change:transform}
.hero-art::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(250,250,248,.97) 45%,rgba(250,250,248,.5));
}
.hero-art .hero-img{width:100%;height:100%;object-fit:cover;display:block;filter:grayscale(1) contrast(1.3);opacity:.35}
.hero-in{position:relative;z-index:2;width:100%;max-width:var(--maxw);margin:0 auto}
.eyebrow{
  display:inline-block;margin:0 0 .45rem;font-size:.78rem;letter-spacing:.2em;color:var(--gray);
  border-bottom:2px solid var(--ink);padding-bottom:.15rem;transform:rotate(-1deg);
}
.hero h1{font-size:clamp(2.1rem,7.6vw,4.4rem);line-height:1.02;letter-spacing:-.05em;margin:0 0 .6rem;max-width:20ch}
.lede{max-width:36ch;color:var(--gray);font-size:1rem;margin:0 0 1rem}
.hero-cta{margin:0}
.btn{
  display:inline-flex;align-items:center;min-height:46px;padding:.5rem 1.1rem;
  border:2px solid var(--ink);border-radius:999px;background:var(--ink);color:var(--paper);
  text-decoration:none;font-weight:600;font-size:.95rem;transform:rotate(-1.2deg);
  box-shadow:4px 4px 0 rgba(26,26,26,.2);
}
.btn:hover,.btn:focus-visible{transform:rotate(-1.2deg) translate(-1px,-1px);box-shadow:7px 7px 0 rgba(26,26,26,.24)}
.btn.ghost{background:#fff;color:var(--ink)}
.band{position:absolute;left:-8%;right:-8%;height:14px;background:var(--ink);z-index:1;bottom:24px;transform:rotate(-1.4deg)}
.band-2{bottom:12px;height:6px;background:var(--gray);transform:rotate(1deg)}

/* 主体：正文在左，速览在右 */
.wrap{
  display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:clamp(1rem,3vw,2.4rem);
  max-width:var(--maxw);margin:0 auto;padding:clamp(1.3rem,4vw,2.4rem) clamp(.9rem,3vw,1.8rem) 2.6rem;
  align-items:start;
}
section[id]{scroll-margin-top:var(--navh)}
.stream{min-width:0}
.kicker{
  display:inline-block;font-size:.78rem;letter-spacing:.2em;color:var(--gray);
  padding-bottom:.1rem;border-bottom:2px solid var(--ink);transform:rotate(-.8deg);
}
.stream > h2{font-size:clamp(1.5rem,4.2vw,2.3rem);margin:.55rem 0 1.1rem;max-width:24ch}
.prose{max-width:64ch}
.prose section{padding-top:1.6rem;margin-top:2.1rem;border-top:2px dashed var(--line);scroll-margin-top:var(--navh)}
.prose section:first-child{border-top:0;padding-top:.2rem;margin-top:0}
.prose h2{font-size:clamp(1.4rem,4vw,2rem);margin:.3rem 0 .8rem}
.prose h3{font-size:1.15rem;margin:1.3rem 0 .5rem}
.prose p{margin:0 0 1.05rem}
.prose ul,.prose ol{margin:0 0 1.1rem;padding-left:1.4rem}
.prose li{margin:.35rem 0}
.prose a{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.prose strong{background:linear-gradient(transparent 60%,rgba(26,26,26,.17) 60%)}
.prose blockquote{
  margin:1.2rem 0;padding:.85rem 1.1rem;border-left:6px solid var(--ink);
  background:rgba(26,26,26,.055);transform:rotate(-.35deg);
}
.prose img{height:auto;border:2px solid var(--ink);border-radius:10px}
.prose table{width:100%;border-collapse:collapse;font-size:.94rem;margin:0 0 1.1rem}
.prose th,.prose td{border:2px solid var(--ink);padding:.45rem .55rem;text-align:left}
.prose code{background:rgba(26,26,26,.08);padding:.1rem .3rem;border-radius:4px;font-size:.92em}
.endmark{margin:2rem 0 0;padding-top:1.3rem;border-top:2px dashed var(--line)}

/* 右侧速览 */
.side{position:sticky;top:calc(var(--navh) - 4px);display:grid;gap:1rem}
.card{
  background:#fff;border:2px solid var(--ink);border-radius:10px;padding:.95rem 1rem;
  box-shadow:0 10px 22px -12px rgba(26,26,26,.55),0 2px 0 rgba(26,26,26,.12);
}
.card:nth-child(odd){transform:rotate(-.8deg)}
.card h3{font-size:1rem;margin:0 0 .5rem;letter-spacing:-.02em}
.card ol{margin:0;padding-left:1.15rem;font-size:.93rem}
.card li{margin:.15rem 0}
.card a{display:inline-block;padding:.3rem 0;text-decoration:none;border-bottom:2px solid transparent}
.card a:hover{border-bottom-color:var(--ink)}
.card p{font-size:.92rem;color:var(--gray);margin:0 0 .6rem}
.linkback{font-weight:600}

/* 页脚：CTA 块 + 横排一行 */
footer{
  margin-top:1.5rem;border-top:2px solid var(--ink);background:#f1f1ec;
  padding:clamp(1.3rem,4vw,2.2rem) clamp(.9rem,3vw,1.8rem) 1.6rem;
  display:flex;flex-wrap:wrap;align-items:center;gap:1.1rem 1.6rem;
}
.cta{
  flex:1 1 100%;border:3px dashed var(--ink);border-radius:10px;background:#fff;
  padding:clamp(1rem,3vw,1.6rem);transform:rotate(-.4deg);
  box-shadow:0 12px 0 -6px rgba(26,26,26,.12);
}
.cta h2{font-size:clamp(1.4rem,4vw,2rem);margin:.55rem 0 .5rem;max-width:22ch}
.cta p{color:var(--gray);max-width:40ch}
.f-brand{flex:1 1 210px}
.f-brand .brand{display:inline-flex;align-items:center;min-height:40px;font-weight:700;font-size:1.02rem;text-decoration:none}
.f-brand p{color:var(--gray);font-size:.88rem;margin:.35rem 0 0;max-width:32ch}
.f-nav{flex:2 1 320px}
.f-nav ul{display:flex;flex-wrap:wrap;gap:.35rem;margin:0;padding:0;list-style:none}
.f-nav a{
  display:inline-flex;align-items:center;min-height:40px;padding:.3rem .7rem;
  border:2px solid var(--line);border-radius:999px;text-decoration:none;font-size:.86rem;
}
.f-nav a:hover,.f-nav a:focus-visible{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.f-copy{
  flex:1 1 100%;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:.5rem 1rem;border-top:2px solid var(--line);padding-top:.8rem;font-size:.84rem;color:var(--gray);
}
.f-copy p{margin:0}
.f-copy a{color:var(--gray);text-decoration:none;display:inline-flex;align-items:center;min-height:40px;padding:.2rem}

/* 手绘式出现：阶梯过渡，不做顺滑动画 */
@media (prefers-reduced-motion:no-preference){
  .rv{opacity:0;transform:translateY(16px)}
  .rv.in{opacity:1;transform:none;transition:opacity .34s steps(4),transform .34s steps(4)}
  .hero-in.rv{transform:translateY(10px) rotate(-.3deg)}
}

@media (max-width:900px){
  :root{--navh:196px}
  .wrap{grid-template-columns:1fr}
  .side{position:static;order:2;grid-template-columns:1fr 1fr}
}
@media (max-width:620px){
  :root{--navh:150px}
  .stamp{display:none}
  .hero{min-height:0;padding-top:1rem}
  .hero h1{font-size:clamp(1.9rem,9vw,2.6rem)}
  .lede{font-size:.96rem}
  .finder{flex:1 1 100%;margin-left:0}
  .finder input{width:100%}
  .pills{flex:1 1 100%}
  .side{grid-template-columns:1fr}
  .f-copy{flex-direction:column;align-items:flex-start}
  .prose{max-width:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero-art{transform:none !important}
}

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