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

:root{
  --ink:#1f1726;
  --ink-soft:#3d3149;
  --plum:#56228b;
  --plum-lt:#7a44b4;
  --clay:#8b4513;
  --moss:#5c7350;
  --paper:#f4eee3;
  --paper-2:#ece2d2;
  --card:#fdfaf4;
  --line:rgba(31,23,38,.14);
  --shadow:0 22px 46px -28px rgba(31,23,38,.62);
  --shadow-sm:0 10px 22px -16px rgba(31,23,38,.55);
  --rail:92px;
  --r-org:26px;
  --r-md:18px;
  --r-card:10px;
}

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

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

body{
  margin:0;
  font-family:'Noto Sans Arabic',system-ui,-apple-system,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  font-size:17px;
  line-height:1.78;
  font-weight:400;
  color:var(--ink);
  background:var(--paper);
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:radial-gradient(rgba(139,69,19,.09) 1px,transparent 1px);
  background-size:23px 23px;
  opacity:.55;
}

h1,h2,h3,h4{
  font-family:'Noto Naskh Arabic','Songti SC','Noto Serif SC',Georgia,serif;
  font-weight:600;
  line-height:1.32;
  letter-spacing:.01em;
  margin:0 0 .6em;
}

p{margin:0 0 1.05em}
img{max-width:100%;height:auto;display:block}
a{color:var(--plum)}
a:hover{color:var(--clay)}

hr{
  border:0;
  height:1px;
  background:linear-gradient(90deg,var(--line),transparent);
  margin:14px 0 20px;
}

.skip{
  position:fixed;
  top:8px;
  left:8px;
  z-index:120;
  padding:12px 18px;
  border-radius:999px;
  background:var(--ink);
  color:var(--paper);
  text-decoration:none;
  transform:translateY(-160%);
  transition:transform .22s ease;
}
.skip:focus{transform:translateY(0);color:var(--paper)}

/* ---------- 左侧固定轨道 ---------- */
.rail{
  position:fixed;
  inset:0 auto 0 0;
  width:var(--rail);
  z-index:70;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
  padding:20px 0 24px;
  background:linear-gradient(175deg,#33203f 0%,var(--ink) 62%);
  box-shadow:8px 0 32px -26px rgba(31,23,38,.9);
}

.logo{
  display:flex;
  align-items:center;
  justify-content:center;
  min-width:46px;
  min-height:46px;
  padding:6px;
  border-radius:var(--r-org) var(--r-md) var(--r-org) var(--r-md);
  background:rgba(244,238,227,.1);
  text-decoration:none;
  color:var(--paper);
}
.logo-mark{border-radius:50%;width:36px;height:36px;object-fit:cover}
.logo-word{
  writing-mode:vertical-rl;
  font-family:'Noto Naskh Arabic','Songti SC',serif;
  font-size:16px;
  letter-spacing:.24em;
  color:#f0e6d6;
}

.dock{position:relative;z-index:80}

.dock summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  width:52px;
  min-height:52px;
  padding:8px 0 4px;
  border-radius:var(--r-md);
  border:1px solid rgba(244,238,227,.28);
  background:rgba(244,238,227,.06);
  transition:background .2s ease,border-color .2s ease;
}
.dock summary::-webkit-details-marker{display:none}
.dock summary:hover{background:rgba(244,238,227,.16);border-color:rgba(244,238,227,.5)}

.dock .bar{
  display:block;
  width:20px;
  height:2px;
  border-radius:2px;
  background:#f0e6d6;
  transition:transform .24s ease,opacity .24s ease;
}
.dock summary em{
  font-style:normal;
  font-size:11px;
  letter-spacing:.14em;
  color:rgba(240,230,214,.8);
  line-height:1.2;
}
.dock[open] summary .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.dock[open] summary .bar:nth-child(2){opacity:0}
.dock[open] summary .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.dock menu{
  position:fixed;
  inset:0;
  margin:0;
  padding:clamp(76px,10vh,110px) clamp(22px,7vw,90px) 48px;
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:2px;
  overflow-y:auto;
  background:
    radial-gradient(70% 55% at 88% 8%,rgba(122,68,180,.5),transparent 70%),
    radial-gradient(60% 50% at 6% 92%,rgba(139,69,19,.55),transparent 72%),
    #1c1424;
  z-index:75;
}

.dock menu li a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:10px 6px;
  font-family:'Noto Naskh Arabic','Songti SC',serif;
  font-size:clamp(19px,2.6vw,27px);
  color:#f2e9db;
  text-decoration:none;
  border-bottom:1px solid rgba(242,233,219,.12);
  transition:color .18s ease,padding-left .18s ease;
}
.dock menu li a:hover,
.dock menu li a:focus-visible{color:#e8c79a;padding-left:16px}

.dock-find{padding:0 0 18px}
.find{display:block}
.find input{
  width:100%;
  min-height:48px;
  padding:12px 20px;
  font-size:16px;
  font-family:inherit;
  color:#f2e9db;
  background:rgba(242,233,219,.08);
  border:1px solid rgba(242,233,219,.3);
  border-radius:999px;
  outline:none;
}
.find input::placeholder{color:rgba(242,233,219,.62)}
.find input:focus{border-color:#e8c79a;background:rgba(242,233,219,.15)}

.dock[open] menu li{
  animation:rise .38s ease both;
}
.dock[open] menu li:nth-child(2){animation-delay:.03s}
.dock[open] menu li:nth-child(3){animation-delay:.06s}
.dock[open] menu li:nth-child(4){animation-delay:.09s}
.dock[open] menu li:nth-child(5){animation-delay:.12s}
.dock[open] menu li:nth-child(6){animation-delay:.15s}
.dock[open] menu li:nth-child(7){animation-delay:.18s}
.dock[open] menu li:nth-child(8){animation-delay:.21s}

@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- 主体 ---------- */
main,footer{position:relative;z-index:1;margin-left:var(--rail)}

.hero{
  position:relative;
  min-height:100svh;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
  padding:clamp(90px,14vh,150px) clamp(20px,5vw,64px);
  background:linear-gradient(160deg,#3a2350,#1f1726 58%,#2a1a1b);
  isolation:isolate;
}

.hero-media{position:absolute;inset:0;z-index:-2}
.hero-media img{width:100%;height:100%;object-fit:cover;opacity:.66}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(58% 46% at 50% 52%,rgba(31,23,38,.66),transparent 78%),
    linear-gradient(180deg,rgba(31,23,38,.55),rgba(31,23,38,.2) 42%,rgba(244,238,227,.92));
}

.blob{position:absolute;pointer-events:none;fill:currentColor}
.hero .blob{opacity:.3}
.blob-a{width:clamp(180px,26vw,340px);top:-8%;right:-4%;color:var(--plum-lt)}
.blob-b{width:clamp(150px,22vw,280px);bottom:6%;left:-6%;color:var(--clay)}

.hero-copy{
  position:relative;
  max-width:820px;
  text-align:center;
  color:#f7f0e3;
  animation:fade .7s ease both;
}
@keyframes fade{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}

.badge{
  display:inline-block;
  margin:0 0 20px;
  padding:8px 20px;
  font-size:15px;
  letter-spacing:.08em;
  color:#f7f0e3;
  background:rgba(86,34,139,.68);
  border:1px solid rgba(247,240,227,.4);
  border-radius:999px;
  backdrop-filter:blur(6px);
  animation:bob 6s ease-in-out infinite;
}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

.hero h1{
  font-size:clamp(31px,6.4vw,62px);
  margin:0 0 20px;
  letter-spacing:.02em;
  text-shadow:0 6px 30px rgba(31,23,38,.6);
}

.hero .lead{
  margin:0 auto;
  max-width:38em;
  font-size:clamp(16px,2vw,19px);
  color:#e8ddcb;
  line-height:1.8;
}

/* ---------- 正文栅格 ---------- */
.wrap{
  max-width:1200px;
  margin:0 auto;
  padding:clamp(30px,5vw,58px) clamp(16px,4vw,44px) clamp(48px,7vw,80px);
  display:grid;
  grid-template-columns:minmax(0,1fr) 252px;
  gap:clamp(22px,4vw,46px);
  align-items:start;
}

.stream{min-width:0}

article > div{
  scroll-margin-top:96px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  padding:clamp(20px,3.6vw,40px);
  margin-bottom:clamp(20px,3vw,30px);
  transition:transform .25s ease,box-shadow .25s ease;
}
article > div:hover{
  transform:translateY(-3px);
  box-shadow:0 26px 54px -30px rgba(31,23,38,.7);
}
article > div:last-child{margin-bottom:0}

article h2{
  font-size:clamp(22px,3.1vw,30px);
  color:var(--plum);
  margin-bottom:.4em;
}
article h3{
  font-size:clamp(18px,2.3vw,22px);
  color:var(--clay);
  margin-top:1.4em;
}
article ul,article ol{padding-left:1.3em}
article li{margin:.35em 0}
article a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
article blockquote{
  margin:1.3em 0;
  padding:14px 22px;
  border-radius:var(--r-card);
  border-left:4px solid var(--moss);
  background:var(--paper-2);
  color:var(--ink-soft);
}
article img{margin:1.2em auto;border-radius:var(--r-card);box-shadow:var(--shadow-sm)}

/* ---------- 侧栏 ---------- */
aside{
  position:sticky;
  top:28px;
  padding:22px 20px 26px;
  border-radius:var(--r-org) var(--r-card) var(--r-org) var(--r-card);
  background:var(--paper-2);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
aside h2{
  font-size:19px;
  color:var(--ink);
  margin:0 0 .3em;
  letter-spacing:.18em;
}
aside hr{background:linear-gradient(90deg,var(--clay),transparent);margin:8px 0 16px}
aside ol{list-style:none;margin:0;padding:0}
aside li + li{margin-top:2px}
aside a{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:6px 10px;
  font-size:16px;
  color:var(--ink-soft);
  text-decoration:none;
  border-radius:var(--r-card);
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
aside a:hover{background:#fff;color:var(--plum);padding-left:16px}

/* ---------- 页脚 ---------- */
footer{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px 28px;
  padding:26px clamp(18px,4vw,46px);
  background:var(--ink);
  color:#d8cdbe;
  overflow:hidden;
}
footer .blob{width:220px;bottom:-70px;left:38%;color:var(--plum);opacity:.4}

footer div{position:relative;z-index:1}
.foot-brand{display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;font-size:16px}
.foot-name{
  font-family:'Noto Naskh Arabic','Songti SC',serif;
  letter-spacing:.14em;
  color:#f0e6d6;
}
.foot-copy{color:#a4988a;font-size:15px}

.foot-links{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.foot-links a{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:6px 12px;
  font-size:16px;
  color:#e6dccd;
  text-decoration:none;
  border-radius:var(--r-card);
  border:1px solid rgba(230,220,205,.28);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.foot-links a:hover{color:#1f1726;background:#e8c79a;border-color:#e8c79a}

:focus-visible{outline:3px solid #e8c79a;outline-offset:3px}

/* ---------- 窄屏 ---------- */
@media (max-width:900px){
  .rail{
    inset:0 0 auto 0;
    width:auto;
    height:64px;
    flex-direction:row;
    justify-content:space-between;
    align-items:center;
    padding:0 14px;
    gap:10px;
  }
  .logo{min-width:44px;min-height:44px}
  .logo-word{writing-mode:horizontal-tb;font-size:16px;letter-spacing:.12em}
  body{padding-top:64px}
  main,footer{margin-left:0}
  .wrap{grid-template-columns:1fr;padding-top:26px}
  aside{position:static;order:2}
  .hero{min-height:calc(100svh - 64px);padding:80px 20px}
  .dock summary{flex-direction:column;width:48px;min-height:44px;padding:6px 0}
  .dock menu{padding-top:84px}
  footer{flex-direction:column;align-items:flex-start}
  .foot-links a{min-height:44px}
}

@media (max-width:420px){
  body{font-size:16px}
  .hero h1{font-size:30px}
  .badge{font-size:14px;padding:7px 16px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}

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