/* 威尼桌 · 威尼斯人赌场观察站
   版式原型：夜墨索引栏（左侧固定索引 + 右侧主阅读栏，报章式分栏） */

:root{
  --ink:#0d1622;
  --ink-2:#14202e;
  --ink-3:#1d2c3d;
  --gold:#c9a15b;
  --gold-soft:#e0c290;
  --bone:#ece7dd;
  --bone-dim:#a9b2bd;
  --line:rgba(201,161,91,.22);
  --gutter:2.2rem;
  --serif:"Songti SC","Noto Serif SC",Georgia,"Times New Roman",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:
    radial-gradient(1200px 520px at 82% -12%, rgba(201,161,91,.10), transparent 62%),
    linear-gradient(180deg,#0d1622 0%,#0f1a27 46%,#0c141e 100%);
  color:var(--bone);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold-soft);text-decoration:none}
a:hover{color:#fff}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.3;color:#fff;margin:0 0 .6em}

.wrap{max-width:1240px;margin:0 auto;padding:0 1.4rem}

/* ---------- 顶栏 ---------- */
.site-head{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(13,22,34,.96),rgba(13,22,34,.82));
  position:sticky;top:0;z-index:40;
  backdrop-filter:blur(6px);
}
.head-inner{display:flex;align-items:center;gap:1.2rem;min-height:72px}
.brand{display:flex;align-items:center;gap:.7rem;flex:0 0 auto}
.brand img{width:40px;height:40px;border-radius:6px;border:1px solid var(--line)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-family:var(--serif);font-size:1.12rem;color:#fff;letter-spacing:.08em}
.brand-text span{font-size:.68rem;color:var(--bone-dim);letter-spacing:.22em;text-transform:uppercase}

.nav{display:flex;flex-wrap:wrap;gap:.15rem;margin-left:auto}
.nav a{
  padding:.5rem .68rem;border-radius:3px;font-size:.9rem;color:var(--bone);
  border-bottom:2px solid transparent;
}
.nav a:hover{background:rgba(201,161,91,.10);color:#fff}
.nav a.is-active{border-bottom-color:var(--gold);color:var(--gold-soft)}
.menu-btn{
  display:none;margin-left:auto;background:transparent;border:1px solid var(--line);
  color:var(--bone);padding:.5rem .7rem;border-radius:4px;font-size:.9rem;cursor:pointer
}

/* ---------- 索引式分栏 ---------- */
.shell{
  display:grid;grid-template-columns:258px minmax(0,1fr);
  gap:var(--gutter);align-items:start;padding:2rem 0 3rem;
}
.rail{
  position:sticky;top:92px;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(29,44,61,.55),rgba(20,32,46,.35));
  padding:1.1rem 1rem;border-radius:4px;
}
.rail h2{font-size:.82rem;letter-spacing:.2em;color:var(--gold);text-transform:uppercase;margin-bottom:.8rem;font-family:var(--sans)}
.rail ol{list-style:none;margin:0;padding:0;counter-reset:rail}
.rail li{counter-increment:rail;border-top:1px dashed rgba(201,161,91,.16)}
.rail li:first-child{border-top:0}
.rail li a{display:flex;gap:.6rem;align-items:baseline;padding:.6rem .1rem;font-size:.92rem;color:var(--bone)}
.rail li a::before{content:counter(rail,decimal-leading-zero);font-family:var(--serif);color:var(--gold);font-size:.78rem;min-width:1.6rem}
.rail li a:hover{color:#fff;padding-left:.2rem}
.rail-foot{margin-top:1rem;padding-top:.9rem;border-top:1px solid var(--line);font-size:.78rem;color:var(--bone-dim);line-height:1.6}

.main-col{min-width:0}

/* ---------- 首页 ---------- */
.masthead{border-bottom:1px solid var(--line);padding-bottom:1.6rem;margin-bottom:2rem}
.masthead .kicker{font-size:.76rem;letter-spacing:.3em;color:var(--gold);text-transform:uppercase;margin-bottom:.7rem}
.masthead h1{font-size:2.5rem;letter-spacing:.02em;margin-bottom:.5rem}
.masthead p{color:var(--bone-dim);max-width:62ch;margin:0}
.masthead-meta{display:flex;gap:1.4rem;flex-wrap:wrap;margin-top:1.1rem;font-size:.8rem;color:var(--bone-dim);border-top:1px dashed var(--line);padding-top:.8rem}

.sec{padding:2rem 0;border-bottom:1px solid rgba(201,161,91,.13)}
.sec:last-child{border-bottom:0}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin-bottom:1.1rem;flex-wrap:wrap}
.sec-head h2{font-size:1.5rem;margin:0}
.sec-head .no{font-family:var(--serif);color:var(--gold);font-size:.8rem;letter-spacing:.2em}
.sec-head a.more{font-size:.82rem;color:var(--bone-dim);border-bottom:1px solid var(--line)}

.lead-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:1.4rem}
.lead-fig{position:relative;border:1px solid var(--line);overflow:hidden}
.lead-fig img{width:100%;aspect-ratio:16/10;object-fit:cover}
.lead-fig figcaption{position:absolute;left:0;right:0;bottom:0;padding:.8rem 1rem;font-size:.78rem;color:#e7e2d8;background:linear-gradient(0deg,rgba(8,13,20,.94),rgba(8,13,20,0))}
.lead-list{list-style:none;margin:0;padding:0}
.lead-list li{padding:.9rem 0;border-top:1px solid rgba(201,161,91,.16)}
.lead-list li:first-child{border-top:0;padding-top:0}
.lead-list a{font-family:var(--serif);font-size:1.06rem;color:#fff}
.lead-list a:hover{color:var(--gold-soft)}
.lead-list p{margin:.25rem 0 0;font-size:.83rem;color:var(--bone-dim);line-height:1.6}

.band{display:grid;gap:1rem}
.band-6{grid-template-columns:repeat(6,1fr)}
.band-4{grid-template-columns:repeat(4,1fr)}
.band-3{grid-template-columns:repeat(3,1fr)}
.cat-tile{border:1px solid var(--line);background:rgba(20,32,46,.5);padding:1rem}
.cat-tile h3{font-size:1rem;margin:.6rem 0 .3rem}
.cat-tile p{margin:0;font-size:.78rem;color:var(--bone-dim);line-height:1.55}
.cat-tile img{aspect-ratio:4/3;object-fit:cover;width:100%}

.numlist{list-style:none;margin:0;padding:0;counter-reset:n}
.numlist li{counter-increment:n;display:grid;grid-template-columns:3.2rem minmax(0,1fr);gap:.9rem;padding:1rem 0;border-top:1px solid rgba(201,161,91,.14)}
.numlist li:first-child{border-top:0}
.numlist li::before{content:counter(n,decimal-leading-zero);font-family:var(--serif);color:var(--gold);font-size:1.3rem;line-height:1.2;opacity:.75}
.numlist h3{margin:0 0 .25rem;font-size:1.08rem}
.numlist p{margin:0;font-size:.84rem;color:var(--bone-dim)}

.split-2{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.1rem}
.stat{border-left:2px solid var(--gold);padding:.2rem 0 .2rem .9rem}
.stat b{display:block;font-family:var(--serif);font-size:1.5rem;color:#fff;line-height:1.2}
.stat span{font-size:.76rem;color:var(--bone-dim);letter-spacing:.06em}

.quote{border-left:3px solid var(--gold);padding:.6rem 0 .6rem 1.2rem;margin:0;font-family:var(--serif);font-size:1.12rem;color:#f4efe5}
.quote cite{display:block;margin-top:.5rem;font-family:var(--sans);font-style:normal;font-size:.78rem;color:var(--bone-dim)}

.tag-cloud{display:flex;flex-wrap:wrap;gap:.5rem}
.tag-cloud a{border:1px solid var(--line);padding:.3rem .7rem;font-size:.8rem;color:var(--bone);border-radius:2px}
.tag-cloud a:hover{border-color:var(--gold);color:#fff}

.author-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.author-strip .who{border:1px solid var(--line);padding:1rem;background:rgba(20,32,46,.42)}
.author-strip .who b{display:block;font-family:var(--serif);font-size:1.02rem;color:#fff}
.author-strip .who span{font-size:.76rem;color:var(--gold);letter-spacing:.12em}
.author-strip .who p{margin:.4rem 0 0;font-size:.8rem;color:var(--bone-dim);line-height:1.6}

/* ---------- 栏目页 ---------- */
.cat-hero{display:grid;grid-template-columns:1fr 320px;gap:1.4rem;align-items:end;border-bottom:1px solid var(--line);padding-bottom:1.5rem;margin-bottom:1.6rem}
.cat-hero h1{font-size:2.1rem;margin-bottom:.4rem}
.cat-hero p{color:var(--bone-dim);margin:0;max-width:56ch}
.cat-hero img{border:1px solid var(--line);aspect-ratio:4/3;object-fit:cover;width:100%}
.crumb{font-size:.78rem;color:var(--bone-dim);margin-bottom:1rem}
.crumb a{color:var(--bone-dim)}
.crumb a:hover{color:var(--gold-soft)}
.crumb span{margin:0 .4rem;opacity:.6}

.item-list{list-style:none;margin:0;padding:0}
.item-list li{display:grid;grid-template-columns:120px minmax(0,1fr);gap:1.1rem;padding:1.15rem 0;border-top:1px solid rgba(201,161,91,.14);align-items:start}
.item-list li:first-child{border-top:0}
.item-list img{aspect-ratio:4/3;object-fit:cover;width:100%;border:1px solid var(--line)}
.item-list h2{font-size:1.14rem;margin:0 0 .3rem}
.item-list .meta{font-size:.76rem;color:var(--gold);letter-spacing:.1em;margin:0 0 .35rem}
.item-list p{margin:0;font-size:.85rem;color:var(--bone-dim)}

/* ---------- 文章页 ---------- */
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 286px;gap:2rem;align-items:start}
.article-head{border-bottom:1px solid var(--line);padding-bottom:1.2rem;margin-bottom:1.4rem}
.article-head h1{font-size:2rem;margin-bottom:.5rem}
.article-head .dek{color:var(--bone-dim);margin:0 0 .9rem;font-size:.98rem}
.byline{display:flex;flex-wrap:wrap;gap:1rem;font-size:.78rem;color:var(--bone-dim);border-top:1px dashed var(--line);padding-top:.7rem}
.byline b{color:var(--gold-soft);font-weight:400}

.prose{font-size:1.02rem}
.prose h2{font-size:1.34rem;margin:2rem 0 .7rem;padding-left:.7rem;border-left:3px solid var(--gold)}
.prose h3{font-size:1.08rem;margin:1.5rem 0 .5rem;color:var(--gold-soft)}
.prose p{margin:0 0 1.05rem;color:#dfe4ea}
.prose ul,.prose ol{padding-left:1.3rem;margin:0 0 1.05rem;color:#dfe4ea}
.prose li{margin:.35rem 0}
.prose a{color:var(--gold-soft);border-bottom:1px solid rgba(201,161,91,.45)}
.prose figure{margin:1.5rem 0}
.prose figure img{border:1px solid var(--line);width:100%}
.prose figcaption{font-size:.76rem;color:var(--bone-dim);margin-top:.5rem;border-left:2px solid var(--line);padding-left:.6rem}
.prose blockquote{margin:1.4rem 0;padding:.7rem 1.1rem;border-left:3px solid var(--gold);background:rgba(201,161,91,.06);color:#eee9df;font-family:var(--serif)}
.table-scroll{overflow-x:auto;margin:1.3rem 0}
.prose table{border-collapse:collapse;width:100%;font-size:.88rem;min-width:420px}
.prose th,.prose td{border:1px solid rgba(201,161,91,.24);padding:.55rem .7rem;text-align:left}
.prose th{background:rgba(201,161,91,.10);color:#fff;font-weight:500}
.prose td{color:#d8dee6}
.faq details{border-top:1px solid rgba(201,161,91,.16);padding:.8rem 0}
.faq summary{cursor:pointer;font-family:var(--serif);font-size:1.02rem;color:#fff}
.faq p{margin:.5rem 0 0;font-size:.92rem;color:var(--bone-dim)}
.back-cat{display:inline-block;margin-top:1.6rem;font-size:.86rem;border:1px solid var(--line);padding:.5rem .9rem}

.side-box{border:1px solid var(--line);background:rgba(20,32,46,.46);padding:1rem;margin-bottom:1.2rem}
.side-box h2{font-size:.8rem;letter-spacing:.2em;color:var(--gold);text-transform:uppercase;font-family:var(--sans);margin-bottom:.8rem}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{padding:.6rem 0;border-top:1px dashed rgba(201,161,91,.18);font-size:.88rem;line-height:1.55}
.side-list li:first-child{border-top:0;padding-top:0}
.side-list a{color:var(--bone)}
.side-list a:hover{color:var(--gold-soft)}
.side-list small{display:block;color:var(--bone-dim);font-size:.72rem;letter-spacing:.08em;margin-top:.15rem}

/* ---------- 页脚 ---------- */
.site-foot{border-top:1px solid var(--line);background:#0a121b;padding:2.4rem 0 1.6rem;margin-top:2rem}
.foot-grid{display:grid;grid-template-columns:1.3fr .8fr .8fr 1.1fr;gap:1.6rem}
.foot-grid h3{font-size:.8rem;letter-spacing:.2em;color:var(--gold);text-transform:uppercase;font-family:var(--sans);margin-bottom:.7rem}
.foot-grid p,.foot-grid li{font-size:.8rem;color:var(--bone-dim);line-height:1.75;margin:0}
.foot-grid ul{list-style:none;margin:0;padding:0}
.foot-brand{display:flex;align-items:center;gap:.6rem;margin-bottom:.7rem}
.foot-brand img{width:34px;height:34px;border-radius:5px;border:1px solid var(--line)}
.foot-brand b{font-family:var(--serif);color:#fff;letter-spacing:.06em}
.legal{margin-top:1.6rem;padding-top:1rem;border-top:1px solid rgba(201,161,91,.14);font-size:.75rem;color:#7e8894;line-height:1.9}
.legal a{color:#7e8894}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .shell{grid-template-columns:1fr;gap:1.2rem}
  .rail{position:static;order:2}
  .article-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .lead-grid{grid-template-columns:1fr}
  .cat-hero{grid-template-columns:1fr}
  .band-6{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .head-inner{flex-wrap:wrap;min-height:64px;padding:.6rem 0;gap:.6rem}
  .menu-btn{display:block}
  .nav{display:none;width:100%;flex-direction:column;margin:0;border-top:1px solid var(--line);padding-top:.5rem}
  .nav.open{display:flex}
  .nav a{padding:.7rem .3rem;border-bottom:1px solid rgba(201,161,91,.12);border-radius:0;min-height:44px;display:flex;align-items:center}
  .masthead h1{font-size:1.8rem}
  .sec{padding:1.5rem 0}
  .band-6,.band-4,.band-3,.split-2,.author-strip,.stat-row{grid-template-columns:1fr}
  .item-list li{grid-template-columns:1fr}
  .item-list img{aspect-ratio:16/9}
  .article-head h1{font-size:1.55rem}
  .numlist li{grid-template-columns:2.4rem minmax(0,1fr);gap:.6rem}
  .foot-grid{grid-template-columns:1fr}
  .prose h2{font-size:1.2rem}
}