/* 太阳城娱乐 官网样式表 - 原创 CSS，无第三方框架 */
:root{
  --c-navy:#0b0a24;
  --c-navy-2:#161233;
  --c-purple:#2a1057;
  --c-purple-2:#4c1d95;
  --c-magenta:#c026d3;
  --c-berry:#db2777;
  --c-gold:#eab308;
  --c-gold-2:#f6b93b;
  --c-cyan:#22d3ee;
  --c-blue:#38bdf8;
  --c-ink:#0f172a;
  --c-white:#f8f7fc;
  --c-silver:#c9c6d8;
  --c-muted:#a39bc4;
  --c-line:rgba(255,255,255,0.10);
  --c-card:rgba(255,255,255,0.045);
  --c-card-solid:#171334;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 18px 50px rgba(8,6,30,0.45);
  --maxw:1280px;
  --font: "PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(124,58,237,0.28), transparent 60%),
    radial-gradient(1000px 500px at 100% 0%, rgba(219,39,119,0.18), transparent 55%),
    var(--c-navy);
  color:var(--c-white);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-cyan);text-decoration:none;}
a:hover{text-decoration:underline;}
ul,ol{padding-left:1.3em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,10,36,0.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 24px;max-width:var(--maxw);margin:0 auto;}
.logo-link{display:flex;align-items:center;gap:8px;}
.logo-link img{height:44px;width:auto;}
.main-nav{display:flex;align-items:center;}
.main-nav ul{list-style:none;display:flex;gap:6px;margin:0;padding:0;flex-wrap:wrap;}
.main-nav a{
  color:var(--c-silver);font-size:14.5px;font-weight:600;padding:9px 13px;border-radius:999px;
  transition:all .2s ease;display:inline-block;
}
.main-nav a:hover,.main-nav a.active{
  color:#1b1035;background:linear-gradient(120deg,var(--c-gold-2),var(--c-magenta));
  text-decoration:none;
}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--c-line);color:var(--c-white);
  border-radius:10px;padding:8px 10px;font-size:20px;cursor:pointer;
}

/* ===== Breadcrumb ===== */
.breadcrumb{padding:14px 0 0;font-size:13px;color:var(--c-muted);}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-cyan);}
.breadcrumb .sep{margin:0 6px;opacity:.5;}

/* ===== Hero ===== */
.hero{padding:36px 0 20px;}
.hero-figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--c-line);}
.hero-figure figcaption{
  font-size:13px;color:var(--c-muted);padding:10px 4px 0;
}
.hero-text{max-width:900px;margin:0 auto 22px;text-align:center;}
.hero-text h1{font-size:clamp(26px,4vw,42px);margin:0 0 12px;background:linear-gradient(120deg,#fff,#e9d5ff 55%,var(--c-gold-2));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-text p{color:var(--c-silver);font-size:16px;}
.page-header{padding:34px 0 12px;text-align:center;max-width:920px;margin:0 auto;}
.page-header h1{font-size:clamp(24px,3.6vw,36px);margin:0 0 10px;color:#fff;}
.page-header p{color:var(--c-silver);}

/* ===== Sections ===== */
section{padding:34px 0;}
.section-tight{padding:18px 0;}
h2{font-size:clamp(21px,2.6vw,28px);margin:0 0 14px;color:#fff;position:relative;padding-left:16px;}
h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;background:linear-gradient(180deg,var(--c-gold-2),var(--c-magenta));}
h3{font-size:19px;color:#f2eefc;margin:22px 0 8px;}
p{color:var(--c-silver);margin:0 0 14px;}
.lede{font-size:17px;color:#e6e1f5;}

/* ===== Cards / grids ===== */
.grid{display:grid;gap:18px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}

.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);
  padding:20px;transition:transform .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);border-color:rgba(234,179,8,0.4);}
.card img{border-radius:10px;margin-bottom:12px;}
.card h3{margin-top:0;}
.card .tag{display:inline-block;font-size:12px;color:#1b1035;background:var(--c-gold-2);padding:3px 10px;border-radius:999px;font-weight:700;margin-bottom:8px;}

.icon-card{text-align:center;}

/* ===== Tables ===== */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--c-line);}
table{width:100%;border-collapse:collapse;min-width:720px;background:var(--c-card-solid);}
thead th{
  background:linear-gradient(120deg,rgba(124,58,237,0.55),rgba(219,39,119,0.35));
  color:#fff;text-align:left;padding:12px 14px;font-size:14px;white-space:nowrap;
}
tbody td{padding:12px 14px;font-size:14px;color:var(--c-silver);border-top:1px solid var(--c-line);}
tbody tr:hover{background:rgba(255,255,255,0.03);}

.status{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;}
.status-live{background:rgba(34,211,238,0.18);color:#67e8f9;border:1px solid rgba(34,211,238,0.4);}
.status-done{background:rgba(148,163,184,0.2);color:#cbd5e1;border:1px solid rgba(148,163,184,0.4);}
.status-aired{background:rgba(234,179,8,0.18);color:#fde68a;border:1px solid rgba(234,179,8,0.4);}
.status-check{background:rgba(219,39,119,0.18);color:#fbcfe8;border:1px solid rgba(219,39,119,0.4);}

/* ===== Filters ===== */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 22px;}
.filter-btn{
  background:rgba(255,255,255,0.05);border:1px solid var(--c-line);color:var(--c-silver);
  padding:8px 16px;border-radius:999px;font-size:13.5px;cursor:pointer;font-family:var(--font);
}
.filter-btn:hover{border-color:var(--c-gold);color:#fff;}
.filter-btn.active{background:linear-gradient(120deg,var(--c-gold-2),var(--c-magenta));color:#1b1035;border-color:transparent;font-weight:700;}
.filter-hidden{display:none !important;}

/* ===== Article list ===== */
.article-card{display:grid;grid-template-columns:280px 1fr;gap:20px;}
.article-card img{border-radius:10px;}
@media(max-width:760px){.article-card{grid-template-columns:1fr;}}
.article-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12.5px;color:var(--c-muted);margin:6px 0 10px;}
.article-meta span{background:rgba(255,255,255,0.06);padding:3px 9px;border-radius:8px;}
.article-actions{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap;}
.btn-collect{
  background:rgba(255,255,255,0.06);border:1px solid var(--c-line);color:var(--c-silver);
  padding:6px 14px;border-radius:999px;font-size:13px;cursor:pointer;font-family:var(--font);
}
.btn-collect.collected{background:linear-gradient(120deg,var(--c-gold-2),var(--c-berry));color:#1b1035;font-weight:700;border-color:transparent;}
.article-full{border-top:1px solid var(--c-line);padding-top:26px;margin-top:26px;}
.article-full figure{margin:0 0 16px;}
.article-full figcaption{font-size:13px;color:var(--c-muted);margin-top:8px;}
.disclaimer-box{
  background:rgba(234,179,8,0.08);border:1px dashed rgba(234,179,8,0.45);
  border-radius:12px;padding:14px 16px;font-size:13.5px;color:#fde68a;margin:16px 0;
}
.copyright-note{
  background:rgba(148,163,184,0.08);border:1px solid var(--c-line);border-radius:12px;
  padding:12px 16px;font-size:13px;color:var(--c-muted);
}
.source-block{font-size:13px;color:var(--c-muted);display:flex;flex-wrap:wrap;gap:14px;margin:10px 0 18px;}

/* ===== FAQ ===== */
.faq-item{border:1px solid var(--c-line);border-radius:12px;margin-bottom:10px;background:var(--c-card);overflow:hidden;}
.faq-q{
  width:100%;text-align:left;background:transparent;border:none;color:#fff;font-size:15.5px;font-weight:600;
  padding:16px 18px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-family:var(--font);
}
.faq-q::after{content:"+";font-size:22px;color:var(--c-gold-2);margin-left:12px;transition:transform .2s;}
.faq-item.open .faq-q::after{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;padding:0 18px;color:var(--c-silver);font-size:14.5px;}
.faq-item.open .faq-a{max-height:500px;padding:0 18px 18px;}

/* ===== Forms (demo only) ===== */
.demo-form{display:grid;gap:14px;max-width:520px;}
.demo-form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--c-silver);}
.demo-form input{
  background:rgba(255,255,255,0.06);border:1px solid var(--c-line);border-radius:10px;
  padding:11px 14px;color:#fff;font-family:var(--font);font-size:14px;
}
.demo-form button, .btn-primary{
  background:linear-gradient(120deg,var(--c-gold-2),var(--c-magenta));color:#1b1035;font-weight:700;
  border:none;border-radius:999px;padding:12px 22px;cursor:pointer;font-size:15px;font-family:var(--font);
  justify-self:start;
}
.btn-secondary{
  background:rgba(255,255,255,0.06);border:1px solid var(--c-line);color:#fff;border-radius:999px;
  padding:12px 22px;cursor:pointer;font-family:var(--font);font-size:15px;
}

/* ===== AI assistant demo ===== */
.ai-box{background:var(--c-card-solid);border:1px solid rgba(168,85,247,0.4);border-radius:var(--radius-lg);padding:22px;}
.ai-quick{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0;}
.ai-quick button{
  background:rgba(168,85,247,0.14);border:1px solid rgba(168,85,247,0.4);color:#e9d5ff;
  border-radius:999px;padding:7px 14px;font-size:13px;cursor:pointer;font-family:var(--font);
}
.ai-input-row{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;}
.ai-input-row input{flex:1;min-width:200px;background:rgba(255,255,255,0.06);border:1px solid var(--c-line);border-radius:999px;padding:11px 18px;color:#fff;font-family:var(--font);}
.ai-log{margin-top:16px;display:flex;flex-direction:column;gap:10px;max-height:320px;overflow-y:auto;}
.ai-msg{padding:10px 14px;border-radius:12px;font-size:14px;max-width:88%;}
.ai-msg.user{align-self:flex-end;background:rgba(56,189,248,0.18);color:#e0f2fe;}
.ai-msg.bot{align-self:flex-start;background:rgba(168,85,247,0.16);color:#f3e8ff;}
.ai-disclaimer{font-size:12.5px;color:var(--c-muted);margin-top:12px;}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:6px;top:4px;bottom:4px;width:2px;background:var(--c-line);}
.timeline-item{position:relative;padding-bottom:22px;}
.timeline-item::before{content:"";position:absolute;left:-26px;top:4px;width:12px;height:12px;border-radius:50%;background:var(--c-gold-2);box-shadow:0 0 0 4px rgba(234,179,8,0.18);}
.timeline-item time{font-size:12.5px;color:var(--c-gold-2);font-weight:700;}

/* ===== Quiz / interactive ===== */
.quiz-box{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius);padding:20px;}
.quiz-options{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0;}
.quiz-options button{background:rgba(255,255,255,0.06);border:1px solid var(--c-line);color:#fff;border-radius:10px;padding:9px 14px;cursor:pointer;font-family:var(--font);}
.quiz-options button.correct{background:rgba(34,197,94,0.25);border-color:#22c55e;}
.quiz-options button.wrong{background:rgba(244,63,94,0.25);border-color:#f43f5e;}
.quiz-result{font-size:14px;color:var(--c-gold-2);min-height:20px;margin-top:8px;}

/* ===== Info table (key-value) ===== */
.kv-table td:first-child{color:var(--c-muted);width:180px;}

/* ===== Footer ===== */
.site-footer{background:#07061a;border-top:1px solid var(--c-line);margin-top:40px;padding:40px 0 24px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{color:#fff;font-size:15px;margin:0 0 12px;}
.footer-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;}
.footer-grid a{color:var(--c-muted);font-size:13.5px;}
.footer-grid a:hover{color:var(--c-gold-2);}
.footer-info p{font-size:13px;color:var(--c-muted);margin:0 0 6px;}
.footer-bottom{border-top:1px solid var(--c-line);margin-top:26px;padding-top:18px;font-size:12.5px;color:var(--c-muted);text-align:center;}

/* ===== Back to top ===== */
.back-to-top{
  position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;
  background:linear-gradient(120deg,var(--c-gold-2),var(--c-magenta));color:#1b1035;border:none;
  font-size:20px;cursor:pointer;box-shadow:var(--shadow);display:none;align-items:center;justify-content:center;z-index:60;
}
.back-to-top.show{display:flex;}

/* ===== Utility ===== */
.mt-0{margin-top:0;}
.text-center{text-align:center;}
.small{font-size:12.5px;color:var(--c-muted);}
.badge-list{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0;}
.badge-list span{background:rgba(255,255,255,0.06);border:1px solid var(--c-line);padding:4px 11px;border-radius:999px;font-size:12.5px;color:var(--c-silver);}
.section-alt{background:rgba(255,255,255,0.02);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
@media(max-width:800px){.two-col{grid-template-columns:1fr;}}

/* ===== Mobile nav ===== */
@media(max-width:900px){
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;background:#100e28;border-bottom:1px solid var(--c-line);
    max-height:0;overflow:hidden;transition:max-height .25s ease;
  }
  .main-nav.open{max-height:520px;}
  .main-nav ul{flex-direction:column;padding:10px 20px 20px;gap:4px;}
  .main-nav a{display:block;}
  .article-meta span{font-size:11.5px;}
}