:root{
  --bg:#0A0D10;
  --bg2:#0F141A;
  --panel: rgba(16, 22, 28, .78);
  --panel2: rgba(18, 26, 34, .64);
  --stroke: rgba(255, 166, 61, .22);
  --stroke2: rgba(89, 210, 255, .18);
  --text: rgba(243, 248, 255, .92);
  --muted: rgba(243,248,255,.66);
  --acc: #FFA63D;         /* orange */
  --acc2:#59D2FF;         /* cyan */
  --good:#22C55E;
  --bad:#FF4D6D;
  --r: 18px;
  --shadow: 0 18px 50px rgba(0,0,0,.55);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 70% -10%, rgba(255,166,61,.16), transparent 60%),
    radial-gradient(900px 700px at 10% 15%, rgba(89,210,255,.16), transparent 60%),
    linear-gradient(180deg, var(--bg), #07090B 55%, #050607);
  overflow-x:hidden;
  background-repeat: no-repeat;
  background-color: black;
}
a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}

.wrap{width:min(1180px, calc(100% - 40px)); margin:0 auto}

.bg-noise{
  position:fixed; inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  opacity:.08; pointer-events:none;
  mix-blend-mode: overlay;
}
.bg-hex{
  position:fixed; inset:-40px;
  background-image:
    linear-gradient(to right, rgba(255,166,61,.10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(89,210,255,.08) 1px, transparent 1px);
  background-size: 56px 56px;
  transform: skewY(-6deg);
  opacity:.12;
  pointer-events:none;
  mask-image: radial-gradient(circle at 50% 18%, black 0 55%, transparent 80%);
}

.hudbar{
  position:sticky; top:0; z-index:50;
  background: linear-gradient(180deg, rgba(10,13,16,.86), rgba(10,13,16,.48));
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,166,61,.14);
}
.hudbar__inner{display:flex; align-items:center; justify-content:space-between; gap:14px; padding: 14px 0}

.logo{display:flex; align-items:center; gap:12px; min-width: 270px}
.logo__mark{
  width:46px; height:46px; border-radius: 14px;
  border:1px solid rgba(255,166,61,.24);
  background: linear-gradient(180deg, rgba(255,166,61,.12), rgba(16,22,28,.4));
  box-shadow: 0 14px 26px rgba(0,0,0,.35);
  overflow:hidden;
}
.logo__mark img{width:100%; height:100%; object-fit:cover; filter: saturate(1.05) contrast(1.05)}
.logo__text{display:flex; flex-direction:column; line-height:1.1}
.logo__title{font-family: Oxanium, system-ui, sans-serif; letter-spacing:.08em; font-weight:700; text-transform:uppercase; font-size: 14px}
.logo__sub{font-size:12px; color:var(--muted); margin-top:4px}

.hudnav{display:flex; align-items:center; gap:14px}
.hudnav a{
  color: var(--muted);
  padding: 10px 10px;
  border-radius: 14px;
  font-weight: 600;
}
.hudnav a:hover{
  color: var(--text);
  border-color: rgba(89,210,255,.18);
  background: rgba(255,255,255,.03);
}
.hudnav__divider{width:1px; height:26px; background: rgba(255,166,61,.18); margin:0 4px}

.hudbtn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 11px 14px;
  border-radius: 14px;
  border:1px solid rgba(255,166,61,.22);
  background: rgba(255,255,255,.02);
  color: var(--text);
  font-weight: 700;
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease, background .12s ease;
}
.hudbtn:hover{transform: translateY(-1px); border-color: rgba(255,166,61,.38); box-shadow: 0 14px 30px rgba(0,0,0,.35)}
.hudbtn--primary{
  border-color: rgba(255,166,61,.55);
  background: linear-gradient(135deg, rgba(255,166,61,.30), rgba(255,166,61,.08));
}
.hudbtn--ghost{
  border-color: rgba(89,210,255,.28);
  background: rgba(89,210,255,.06);
}
.hudbtn--icon{width:46px; height:46px; padding:0}

.burger{display:none; flex-direction:column; gap:5px}
.burger span{width:18px; height:2px; background: rgba(243,248,255,.92); border-radius: 999px}

.section{padding: 30px 0}
.h1{font-family: Oxanium, system-ui, sans-serif; letter-spacing:.04em; text-transform:uppercase; font-size: 44px; margin:0 0 10px}
.h2{font-family: Oxanium, system-ui, sans-serif; letter-spacing:.04em; text-transform:uppercase; font-size: 28px; margin:0 0 10px}
.lead{color: var(--muted); line-height:1.65; margin:0}

.hero{
  padding: 34px 0 10px;
}
.hero__grid{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 16px;
  align-items:stretch;
}
.panel{
  border-radius: var(--r);
  border: 1px solid rgba(255,166,61,.18);
  background: linear-gradient(180deg, var(--panel), rgba(12,16,20,.55));
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}
.panel:before{
  content:"";
  position:absolute; inset:0;
  background:
    radial-gradient(900px 320px at 20% 0%, rgba(89,210,255,.12), transparent 60%),
    radial-gradient(900px 320px at 85% 0%, rgba(255,166,61,.10), transparent 60%),
    linear-gradient(90deg, rgba(255,166,61,.06), transparent 35%, rgba(89,210,255,.06));
  pointer-events:none;
}
.panel__body{position:relative; padding: 18px}

.badges{display:flex; flex-wrap:wrap; gap:10px; margin-top: 14px}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  padding: 9px 12px;
  border-radius: 999px;
  border:1px solid rgba(89,210,255,.18);
  background: rgba(89,210,255,.06);
  color: rgba(243,248,255,.84);
  font-weight: 700;
  font-size: 12px;
  letter-spacing:.06em;
  text-transform:uppercase;
}
.badge i{width:16px; height:16px; display:inline-flex; align-items:center; justify-content:center}

.hero__actions{display:flex; flex-wrap:wrap; gap:10px; margin-top: 16px}

.art{
  border-radius: var(--r);
  border: 1px solid rgba(89,210,255,.18);
  background:
    linear-gradient(180deg, rgba(0,0,0,.15), rgba(0,0,0,.62)),
    url("../img/bg_xiyou.jpg");
  background-size: cover;
  background-position: top;
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
  min-height: 380px;
}
.art:after{
  content:"";
  position:absolute; inset:0;
  background:
    repeating-linear-gradient(180deg, rgba(255,255,255,.05) 0 1px, transparent 1px 6px);
  opacity:.12;
}
.art__stamp{
  position:absolute; left: 18px; bottom: 18px; right: 18px;
  border-radius: var(--r);
  border:1px solid rgba(255,166,61,.20);
  background: rgba(10,13,16,.55);
  backdrop-filter: blur(10px);
  padding: 12px 12px;
}
.art__stamp b{font-family:Oxanium, system-ui, sans-serif; text-transform:uppercase; letter-spacing:.06em}
.art__stamp .muted{display:block; margin-top:6px}

.grid3{display:grid; grid-template-columns: repeat(3, 1fr); gap: 14px}
.grid2{display:grid; grid-template-columns: repeat(2, 1fr); gap: 14px}

.tile{
  border-radius: var(--r);
  border:1px solid rgba(89,210,255,.14);
  background: linear-gradient(180deg, var(--panel2), rgba(10,13,16,.55));
  box-shadow: 0 16px 42px rgba(0,0,0,.45);
  padding: 16px;
  position:relative;
  overflow:hidden;
}
.tile:before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(540px 220px at 20% 0%, rgba(255,166,61,.14), transparent 60%);
  opacity:.7;
  pointer-events:none;
}
.tile__top{display:flex; align-items:center; gap:12px; position:relative}
.ico{
  width:40px; height:40px;
  border-radius: 14px;
  border:1px solid rgba(255,166,61,.20);
  background: rgba(255,255,255,.02);
  display:flex; align-items:center; justify-content:center;
  color: rgba(255,166,61,.95);
}
.ico svg{width:22px; height:22px}
.tile__title{font-weight:800}
.tile__text{color:var(--muted); line-height:1.65; margin-top:8px; position:relative}

.media{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.shot{
  border-radius: var(--r);
  border:1px solid rgba(255,166,61,.16);
  background: rgba(255,255,255,.02);
  overflow:hidden;
  cursor:pointer;
}
.shot img{width:100%; height: 170px; object-fit: cover; filter: saturate(1.05) contrast(1.02); transform: scale(1.03); transition: transform .18s ease}
.shot:hover img{transform: scale(1.07)}

.form{display:grid; gap: 12px}
.field label{display:block; font-weight:800; letter-spacing:.04em; text-transform:uppercase; font-size: 12px; color: rgba(243,248,255,.84); margin:0 0 8px}
.field input, .field textarea, .field select{
  width:100%;
  padding: 12px 14px;
  border-radius: 14px;
  border:1px solid rgba(255,166,61,.18);
  background: rgba(10,13,16,.58);
  color: var(--text);
  outline:none;
}
.field textarea{min-height: 150px; resize: vertical}
.field input:focus, .field textarea:focus, .field select:focus{
  border-color: rgba(89,210,255,.35);
  box-shadow: 0 0 0 4px rgba(89,210,255,.10);
}
.help{color: var(--muted); font-size: 13px; line-height:1.55}
.alert{
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  border:1px solid rgba(255,166,61,.18);
  background: rgba(255,255,255,.02);
}
.alert--ok{border-color: rgba(34,197,94,.35); background: rgba(34,197,94,.10)}
.alert--bad{border-color: rgba(255,77,109,.35); background: rgba(255,77,109,.10)}

.faq details{
  border-radius: var(--r);
  border:1px solid rgba(89,210,255,.14);
  background: rgba(255,255,255,.02);
  padding: 14px 16px;
  margin-bottom: 10px;
}
.faq summary{cursor:pointer; font-weight:800}
.faq p{margin:10px 0 0; color: var(--muted); line-height:1.7}

.foot{
  margin-top: 30px;
  border-top: 1px solid rgba(255,166,61,.14);
  background: linear-gradient(180deg, rgba(10,13,16,.35), rgba(10,13,16,.80));
  backdrop-filter: blur(10px);
}
.foot__grid{padding: 26px 0 18px; display:grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 16px}
.foot__brand{font-family: Oxanium, system-ui, sans-serif; text-transform:uppercase; letter-spacing:.06em; font-weight:700; margin-bottom: 8px}
.foot__title{font-weight:900; text-transform:uppercase; letter-spacing:.06em; font-size: 12px; color: rgba(243,248,255,.82); margin-bottom: 10px}
.foot__link{display:block; color: var(--muted); padding: 6px 0}
.foot__link:hover{color: var(--text)}
.foot__social{display:flex; gap: 10px; margin-top: 10px}
.foot__bottom{padding: 14px 0 22px; display:flex; justify-content:space-between; align-items:center}
.muted{color: var(--muted)}

.lightbox{
  position:fixed; inset:0; z-index:200;
  display:none;
  background: rgba(0,0,0,.76);
  align-items:center; justify-content:center;
  padding: 22px;
}
.lightbox.is-open{display:flex}
.lightbox__img{
  width: min(1100px, 96vw);
  max-height: 86vh;
  border-radius: var(--r);
  border:1px solid rgba(89,210,255,.22);
  box-shadow: 0 30px 80px rgba(0,0,0,.65);
  object-fit: contain;
  background: rgba(10,13,16,.72);
}
.lightbox__close{
  position:fixed; right: 18px; top: 18px;
  width: 46px; height:46px;
  border-radius: 14px;
  border:1px solid rgba(255,166,61,.22);
  background: rgba(10,13,16,.55);
  color: rgba(243,248,255,.9);
  font-weight: 900;
  cursor:pointer;
}

@media (max-width: 980px){
  .burger{display:flex}
  .hudnav{
    position:fixed;
    left:20px; right:20px;
    top: 74px;
    padding: 12px;
    border-radius: var(--r);
    border:1px solid rgba(255,166,61,.18);
    background: rgba(10,13,16,.86);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
    flex-direction:column;
    align-items:stretch;
    display:none;
  }
  .hudnav.is-open{display:flex}
  .hudnav__divider{display:none}
  .hero__grid{grid-template-columns: 1fr}
  .grid3{grid-template-columns: 1fr}
  .grid2{grid-template-columns: 1fr}
  .media{grid-template-columns: 1fr 1fr}
  .foot__grid{grid-template-columns: 1fr}
}
@media (max-width: 520px){
  .wrap{width:min(1180px, calc(100% - 28px))}
  .h1{font-size: 34px}
  .media{grid-template-columns: 1fr}
  .shot img{height: 190px}
}


/* SEO hub: breadcrumbs + article typography */
.crumbs{display:flex; flex-wrap:wrap; align-items:center; gap:8px; margin: 4px 0 14px}
.crumbs__link{color: var(--muted); padding: 6px 10px; border-radius: 12px; border:1px solid rgba(89,210,255,.14); background: rgba(255,255,255,.02)}
.crumbs__link:hover{color: var(--text); border-color: rgba(255,166,61,.22)}
.crumbs__sep{color: rgba(243,248,255,.35)}
.crumbs__cur{color: rgba(243,248,255,.9); font-weight: 800}

.article{max-width: 920px}
.article p{color: var(--muted); line-height:1.85; margin: 10px 0}
.article ul{color: var(--muted); line-height:1.85; margin: 10px 0 10px 18px}
.article li{margin: 6px 0}
.article h2{font-family: Oxanium, system-ui, sans-serif; text-transform:uppercase; letter-spacing:.04em; font-size: 22px; margin: 18px 0 8px}
.article h3{font-family: Oxanium, system-ui, sans-serif; letter-spacing:.03em; font-size: 18px; margin: 14px 0 6px}
.kv{display:grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 14px 0}
.kv .tile{padding: 14px}
@media (max-width: 980px){ .kv{grid-template-columns: 1fr} }