:root{
  --ink:#000000;
  --paper:#ffffff;
  --gutter:clamp(16px,4vw,48px);
  --dock:120px;
}
*,*::before,*::after{box-sizing:border-box;min-width:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:var(--dock);
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans Hebrew",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  font-weight:400;
  line-height:1.66;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:var(--ink)}
p,ul,ol,figure,blockquote,address{margin:0 0 1rem}
hr{border:0;border-top:2px solid var(--ink);width:100%;margin:1rem 0 1.5rem}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{
  position:absolute;left:var(--gutter);top:0;z-index:90;
  display:inline-flex;align-items:center;min-height:44px;padding:0 16px;
  background:var(--ink);color:var(--paper);text-decoration:none;
  transform:translateY(-170%);transition:transform .2s ease;
}
.skip:focus{transform:translateY(0)}

/* ---------- 底部固定导航条 ---------- */
.dock{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  grid-template-areas:"brand search" "list list";
  gap:0 14px;
  padding:8px var(--gutter) 10px;
  background:var(--paper);
  border-top:1px solid var(--ink);
  align-items:center;
  max-width:100vw;
}
.brand{
  grid-area:brand;
  display:inline-flex;align-items:center;gap:.5rem;
  min-height:44px;max-width:100%;text-decoration:none;
  font-weight:700;font-size:1rem;letter-spacing:-.02em;
}
.brand-txt{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.brand-mark{width:14px;height:14px;background:var(--ink);display:block;flex:0 0 auto}
img.brand-mark{background:none}
.brand:hover .brand-mark{transform:rotate(45deg)}
.brand-mark{transition:transform .22s ease}
.dock-list{
  grid-area:list;
  list-style:none;margin:0;padding:0;
  display:flex;gap:2px;
  min-width:0;width:100%;max-width:100%;
  overflow-x:auto;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.dock-list::-webkit-scrollbar{display:none}
.dock-list li{flex:0 0 auto}
.dock-list li a{
  display:inline-flex;align-items:center;gap:.42rem;
  min-height:44px;padding:0 10px;
  font-size:.84rem;line-height:1.2;white-space:nowrap;
  text-decoration:none;border-bottom:2px solid transparent;
  transition:border-color .22s ease,opacity .22s ease;
}
.dock-list li a::before{
  content:"";width:6px;height:6px;background:var(--ink);
  flex:0 0 auto;transition:transform .22s ease;
}
.dock-list li a:hover{border-color:var(--ink)}
.dock-list li a:hover::before{transform:rotate(45deg)}
.dock-list li a:focus-visible{outline:2px solid var(--ink);outline-offset:-4px}
.search{
  grid-area:search;
  display:flex;
  border:1px solid var(--ink);
  min-height:44px;
  max-width:100%;
}
.search input{
  width:clamp(70px,18vw,150px);
  min-width:0;border:0;background:transparent;
  padding:0 8px;font:inherit;font-size:.84rem;color:var(--ink);
  min-height:42px;
}
.search input:focus-visible{outline:2px solid var(--ink);outline-offset:-3px}
.search button{
  border:0;background:var(--ink);color:var(--paper);
  padding:0 12px;font:inherit;font-size:.84rem;
  min-height:42px;cursor:pointer;flex:0 0 auto;
  transition:opacity .22s ease;
}
.search button:hover{opacity:.82}

/* ---------- 主体 ---------- */
main{max-width:1200px;margin:0 auto;min-width:0}
main > article{scroll-margin-top:1rem;min-width:0}
main p,main li{max-width:68ch}
main pre,main table,main iframe{max-width:100%;overflow-x:auto}
main pre{display:block}

.hero{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  grid-template-areas:"copy" "media" "rail";
  gap:clamp(14px,3vw,28px);
  align-items:start;
  padding:clamp(20px,5vh,48px) var(--gutter) clamp(18px,4vh,36px);
  min-height:45vh;
  border-bottom:2px solid var(--ink);
  min-width:0;
}
.hero-copy{grid-area:copy;min-width:0}
.hero-copy h1{
  margin:0;
  font-size:clamp(1.75rem,5.4vw,3.5rem);
  line-height:1.04;
  letter-spacing:-.035em;
  font-weight:700;
  text-align:left;
  overflow-wrap:break-word;
}
.lede{
  margin:1rem 0 0;
  max-width:36ch;
  font-weight:300;
  font-size:1rem;
  line-height:1.6;
}
.hero-media{
  grid-area:media;
  position:relative;
  margin:0;
  overflow:hidden;
  max-width:100%;
  aspect-ratio:16/11;
  min-height:clamp(170px,30vh,330px);
  border:1px solid var(--ink);
  background-image:repeating-linear-gradient(45deg,var(--ink) 0 1px,transparent 1px 12px);
  clip-path:polygon(0 0,100% 0,100% 90%,0 100%);
}
.hero-media img{
  position:absolute;inset:0;
  width:100%;height:100%;object-fit:cover;
  opacity:0;
  transition:opacity .8s ease;
}
.hero-media img:first-child{opacity:1}
.hero-media img.is-on{opacity:1}
.rail{grid-area:rail;font-size:.78rem;letter-spacing:.02em;min-width:0;max-width:100%}
.rail-list{
  list-style:none;margin:0;padding:0;
  counter-reset:r;
  display:flex;gap:16px;
  min-width:0;width:100%;max-width:100%;
  overflow-x:auto;scrollbar-width:none;
}
.rail-list::-webkit-scrollbar{display:none}
.rail-list li{
  counter-increment:r;flex:0 0 auto;
}
.rail-list li a{
  display:inline-flex;align-items:center;gap:.45rem;
  min-height:36px;padding:4px 0;
  text-decoration:none;white-space:nowrap;
  border-bottom:1px solid transparent;
  transition:border-color .22s ease;
}
.rail-list li a::before{
  content:counter(r,decimal-leading-zero);
  font-size:.7rem;
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
}
.rail-list li a:hover{border-color:var(--ink)}

/* ---------- 正文卡片 ---------- */
main > article:not(.hero){
  margin:clamp(26px,4vw,58px) var(--gutter);
  padding:clamp(20px,4vw,46px);
  background:var(--paper);
  border:1px solid var(--ink);
  border-radius:18px;
  box-shadow:0 12px 34px rgba(0,0,0,.06);
  overflow-wrap:break-word;
}
main > article:not(.hero) h2{
  margin:0 0 .3rem;
  font-size:clamp(1.4rem,3.3vw,2.2rem);
  line-height:1.12;
  letter-spacing:-.025em;
  font-weight:700;
  overflow-wrap:break-word;
}
main > article:not(.hero) h3{
  margin:1.7rem 0 .35rem;
  font-size:1.12rem;
  line-height:1.35;
  letter-spacing:-.01em;
  font-weight:500;
}
main > article:not(.hero) ul,
main > article:not(.hero) ol{padding-left:1.15rem}
main > article:not(.hero) li{margin:.25rem 0}
main > article:not(.hero) figure{margin:1.3rem 0}
main > article:not(.hero) img{border-radius:12px;height:auto}
main a:not(.cta):not(.brand):not(.skip){text-decoration-thickness:1px;text-underline-offset:3px}
main > article:not(.hero) a:hover{background:var(--ink);color:var(--paper)}
.js main > article{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.js main > article.is-in{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.foot{
  border-top:2px solid var(--ink);
  margin-top:clamp(34px,6vw,80px);
  padding:clamp(26px,5vw,54px) var(--gutter) calc(var(--dock) + 26px);
  background:var(--paper);
  min-width:0;
}
.foot-cta h2{
  margin:0;
  font-size:clamp(1.65rem,7vw,4.2rem);
  line-height:1;
  letter-spacing:-.045em;
  font-weight:700;
  overflow-wrap:break-word;
}
.foot-cta hr{margin:1rem 0 1.4rem}
.cta{
  display:inline-flex;align-items:center;
  min-height:48px;padding:0 22px;
  background:var(--ink);color:var(--paper);
  text-decoration:none;border-radius:18px;font-size:.95rem;
  transition:transform .22s ease,opacity .22s ease;
}
.cta:hover{transform:translateY(-2px);opacity:.9}
.foot-cols{
  display:grid;grid-template-columns:minmax(0,1fr);gap:1.4rem;
  border-top:1px solid var(--ink);
  margin-top:2rem;padding-top:1.5rem;
}
.foot-addr{font-style:normal;font-weight:500;letter-spacing:-.01em;overflow-wrap:break-word}
.foot-links{list-style:none;margin:0;padding:0}
.foot-links li a{
  display:inline-flex;align-items:center;
  min-height:40px;max-width:100%;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:border-color .22s ease;
}
.foot-links li a:hover{border-color:var(--ink)}
.copyright{
  margin:2.2rem 0 0;padding-top:1rem;
  border-top:1px solid var(--ink);
  font-size:.82rem;letter-spacing:.02em;overflow-wrap:break-word;
}

/* ---------- 断点 ---------- */
@media (min-width:768px){
  .hero{
    grid-template-columns:minmax(120px,170px) minmax(0,1fr) minmax(0,1.15fr);
    grid-template-areas:"rail copy media";
    align-items:end;
    gap:clamp(18px,3vw,44px);
  }
  .hero-copy{text-align:right}
  .hero-copy h1{text-align:right}
  .lede{margin-left:auto;margin-right:0}
  .rail-list{display:block;overflow:visible;width:auto}
  .rail-list li a{min-height:32px}
  .foot-cols{grid-template-columns:1.2fr 1fr 1fr;gap:2rem}
}
@media (min-width:900px){
  :root{--dock:80px}
  .dock{
    grid-template-columns:auto minmax(0,1fr) auto;
    grid-template-areas:"brand list search";
    padding:0 var(--gutter);
    gap:clamp(12px,2vw,28px);
  }
  .dock-list{justify-content:flex-start}
  .brand{padding-right:clamp(6px,2vw,20px)}
}
@media (min-width:1100px){
  .dock-list li a{font-size:.86rem;padding:0 12px}
}
@media (max-width:420px){
  .hero-copy h1{font-size:1.7rem}
  .foot-cta h2{font-size:1.6rem}
  .dock-list li a{font-size:.78rem;padding:0 7px;gap:.34rem}
  .search input{width:62px;font-size:.78rem}
  .search button{padding:0 9px;font-size:.78rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js main > article{opacity:1;transform:none;transition:none}
  .hero-media img{transition:none}
  .brand-mark,.cta,.dock-list li a,.foot-links li a{transition:none}
}
@media print{
  .dock{position:static}
  body{padding-bottom:0}
}

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