/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-deep:#12162e;
  --ink-soft:#252b52;
  --gold:#ffb400;
  --gold-light:#ffd166;
  --gold-deep:#ff8a00;
  --bg:#f4f6fb;
  --card:#ffffff;
  --text:#1e2338;
  --muted:#6d7492;
  --line:#e4e8f3;
  --line-strong:#d3daec;
  --radius-sm:8px;
  --radius:12px;
  --radius-lg:18px;
  --shadow:0 6px 20px rgba(26,31,61,.07);
  --shadow-lg:0 16px 40px rgba(26,31,61,.14);
  --sidebar-w:248px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.78;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
img{max-width:100%;display:block;border:0;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:2px;border-radius:6px;}

/* ============ 布局骨架 ============ */
.app-main{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:var(--bg);
}
main{flex:1 1 auto;}
.wrap{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 26px;
}
.block{
  padding:64px 0;
  border-bottom:1px solid var(--line);
  position:relative;
}
.block:last-of-type{border-bottom:0;}
.block--white{background:#fff;}
.block--tint{background:linear-gradient(180deg,#eef2fb 0%,#f8fafe 100%);}
.block--deep{background:var(--ink);color:#e7eaf7;}

/* ============ 左侧导航 ============ */
.side-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  padding:26px 18px 22px;
  display:flex;
  flex-direction:column;
  gap:4px;
  background:linear-gradient(175deg,#1a1f3d 0%,#161a35 55%,#12162e 100%);
  color:#c7cde8;
  z-index:1040;
  overflow-y:auto;
  scrollbar-width:thin;
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px;}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  padding:4px 8px 18px;
  border-bottom:1px solid rgba(255,255,255,.08);
  margin-bottom:8px;
}
.brand-mark{
  width:42px;height:42px;
  flex:0 0 42px;
  border-radius:11px;
  background:linear-gradient(135deg,var(--gold),var(--gold-deep));
  display:grid;place-items:center;
  font-weight:800;font-size:19px;color:#231a04;
  box-shadow:0 8px 18px rgba(255,150,0,.28);
}
.brand-text strong{
  display:block;
  color:#fff;
  font-size:17px;
  font-weight:800;
  letter-spacing:.6px;
  line-height:1.3;
}
.brand-text em{
  display:block;
  font-style:normal;
  font-size:10.5px;
  letter-spacing:2.4px;
  color:#7d85ad;
  margin-top:2px;
}
.nav-caption{
  font-size:11px;
  letter-spacing:2.4px;
  color:#767ea6;
  padding:16px 12px 8px;
  text-transform:uppercase;
}
.side-links{display:flex;flex-direction:column;gap:4px;}
.nav-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 13px;
  border-radius:10px;
  color:#bcc3e0;
  font-size:14.5px;
  font-weight:500;
  position:relative;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link .nav-dot{
  width:6px;height:6px;border-radius:50%;
  background:currentColor;opacity:.5;flex:0 0 6px;
}
.nav-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px);}
.nav-link.active{
  background:linear-gradient(90deg,rgba(255,180,0,.22),rgba(255,180,0,.03));
  color:var(--gold-light);
  font-weight:700;
  box-shadow:inset 3px 0 0 var(--gold);
}
.nav-link.active .nav-dot{opacity:1;background:var(--gold);}
.side-note{
  margin-top:auto;
  padding:16px 15px;
  border-radius:12px;
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.07);
  font-size:12.5px;
  line-height:1.7;
  color:#9aa2c6;
}
.side-note b{display:block;color:var(--gold-light);font-size:13px;margin-bottom:5px;font-weight:700;}

/* 移动端顶栏 */
.mobile-bar{
  display:none;
  position:sticky;
  top:0;
  z-index:1035;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 18px;
  background:rgba(22,26,49,.97);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-brand{color:#fff;font-size:16.5px;font-weight:800;letter-spacing:.6px;}
.mobile-brand span{color:var(--gold);}
.nav-toggle{
  width:38px;height:38px;
  border:1px solid rgba(255,255,255,.18);
  background:transparent;
  border-radius:9px;
  display:grid;
  place-content:center;
  gap:4px;
  padding:0;
}
.nav-toggle span{display:block;width:17px;height:2px;background:#e6e9f8;border-radius:2px;transition:.24s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-mask{
  position:fixed;inset:0;
  background:rgba(10,13,28,.55);
  backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);
  z-index:1038;
}
.nav-mask.show{opacity:1;visibility:visible;}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  background:#151935;
  color:#fff;
  padding:74px 0 0;
}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/麻将胡了壁纸---抖音.webp') center/cover no-repeat;
  opacity:.3;
  transform:scale(1.04);
}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 82% 12%,rgba(255,180,0,.22),transparent 46%),
    linear-gradient(118deg,rgba(16,20,42,.97) 0%,rgba(26,31,61,.9) 52%,rgba(40,31,74,.84) 100%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 15px;
  border-radius:999px;
  background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.36);
  color:var(--gold-light);
  font-size:12.5px;
  letter-spacing:1.2px;
}
.hero h1{
  font-size:clamp(29px,4.1vw,49px);
  line-height:1.24;
  font-weight:800;
  letter-spacing:-.6px;
  margin-top:22px;
  max-width:900px;
}
.hero h1 em{font-style:normal;color:var(--gold-light);}
.hero-lead{
  max-width:730px;
  margin-top:20px;
  color:#c5cceb;
  font-size:15.8px;
  line-height:1.95;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.btn-gold{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 27px;
  border:0;
  border-radius:10px;
  background:linear-gradient(135deg,#ffc733,#ff9c00);
  color:#241a04;
  font-weight:800;
  font-size:15px;
  letter-spacing:.4px;
  box-shadow:0 10px 24px rgba(255,150,0,.32);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(255,150,0,.44);color:#241a04;}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,150,0,.34);}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 25px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.34);
  color:#f0f2ff;
  font-weight:600;
  font-size:15px;
  background:rgba(255,255,255,.03);
  transition:background .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.13);border-color:rgba(255,255,255,.66);color:#fff;transform:translateY(-2px);}
.hero-metrics{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  margin-top:48px;
  background:rgba(255,255,255,.13);
  border-radius:14px 14px 0 0;
  overflow:hidden;
}
.metric{
  background:rgba(16,20,42,.8);
  padding:20px 18px 22px;
  backdrop-filter:blur(8px);
}
.metric strong{
  display:block;
  font-size:26px;
  font-weight:800;
  color:var(--gold-light);
  letter-spacing:-.6px;
  line-height:1.2;
}
.metric span{display:block;font-size:12.8px;color:#a4acce;margin-top:4px;}

/* ============ 通用板块标题 ============ */
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:26px;
  flex-wrap:wrap;
  margin-bottom:34px;
}
.sec-label{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:12px;
  letter-spacing:2.6px;
  color:#8b93b8;
  margin-bottom:11px;
  text-transform:uppercase;
}
.sec-label::before{
  content:"";
  width:22px;height:2px;
  background:var(--gold);
  display:block;
  border-radius:2px;
}
.sec-title{
  font-size:clamp(21px,2.3vw,29px);
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.3px;
  line-height:1.35;
}
.sec-desc{
  max-width:640px;
  margin-top:11px;
  color:var(--muted);
  font-size:14.6px;
  line-height:1.85;
}
.block--deep .sec-title{color:#fff;}
.block--deep .sec-desc{color:#a9b1d2;}
.block--deep .sec-label{color:#8b93c4;}

/* ============ 亮点卡 ============ */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.feature-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px 28px;
  box-shadow:var(--shadow);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  position:relative;
  overflow:hidden;
}
.feature-card::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:linear-gradient(180deg,var(--gold),var(--gold-deep));
  opacity:0;
  transition:opacity .26s var(--ease);
}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.feature-card:hover::before{opacity:1;}
.feature-idx{
  font-size:12.5px;
  font-weight:800;
  color:var(--gold-deep);
  letter-spacing:1.6px;
  margin-bottom:12px;
  display:block;
}
.feature-card h3{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;}
.feature-card p{margin-top:9px;font-size:13.8px;color:var(--muted);line-height:1.8;}

/* ============ 内容日历 ============ */
.cal-list{display:grid;gap:11px;}
.cal-item{
  display:grid;
  grid-template-columns:108px minmax(0,1fr) auto;
  gap:18px;
  align-items:center;
  padding:17px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.cal-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:var(--line-strong);}
.cal-date{font-size:15px;font-weight:800;color:var(--ink);line-height:1.35;}
.cal-date span{display:block;font-size:12px;font-weight:500;color:#9aa2c2;margin-top:2px;letter-spacing:.4px;}
.cal-item h3{font-size:15.4px;font-weight:600;color:var(--text);line-height:1.6;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:#eef1fa;
  color:#4d5680;
  border:1px solid #e0e5f3;
  white-space:nowrap;
}
.tag--gold{
  background:rgba(255,180,0,.15);
  color:#8a6000;
  border-color:rgba(255,180,0,.38);
}

/* ============ 热门专题 ============ */
.topic-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.topic-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.topic-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.topic-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#e8ecf7;
}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.topic-card:hover .topic-thumb img{transform:scale(1.06);}
.topic-thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(18,22,46,.55));
}
.topic-badge{
  position:absolute;
  left:14px;bottom:12px;
  z-index:2;
  font-size:11.5px;
  font-weight:700;
  letter-spacing:1px;
  color:#241a04;
  background:linear-gradient(135deg,#ffc733,#ff9c00);
  padding:4px 11px;
  border-radius:999px;
}
.topic-body{padding:19px 21px 24px;}
.topic-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;}
.topic-body p{margin-top:9px;font-size:13.9px;color:var(--muted);line-height:1.8;}

/* ============ 频道矩阵 ============ */
.channel-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.channel{
  display:block;
  position:relative;
  padding:28px 24px 26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  overflow:hidden;
}
.channel::after{
  content:"";
  position:absolute;
  right:-40px;top:-40px;
  width:120px;height:120px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.22),transparent 70%);
  transition:transform .4s var(--ease);
}
.channel:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.channel:hover::after{transform:scale(1.35);}
.channel-num{
  font-size:12px;
  letter-spacing:2px;
  font-weight:800;
  color:var(--gold-deep);
}
.channel h3{font-size:18px;font-weight:800;color:var(--ink);margin-top:10px;}
.channel p{margin-top:9px;color:var(--muted);font-size:14px;line-height:1.8;}
.channel-more{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:18px;
  font-size:13.5px;
  font-weight:700;
  color:#2b3466;
}
.channel-more i{
  font-style:normal;
  transition:transform .24s var(--ease);
}
.channel:hover .channel-more i{transform:translateX(4px);}

/* ============ 观点解读 ============ */
.insight{
  display:grid;
  grid-template-columns:1.02fr 1fr;
  gap:44px;
  align-items:center;
}
.insight-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:16px;
  box-shadow:var(--shadow-lg);
}
.insight-body h2{
  font-size:clamp(20px,2.1vw,27px);
  font-weight:800;
  color:var(--ink);
  line-height:1.4;
  letter-spacing:-.3px;
}
.insight-body > p{
  margin-top:14px;
  color:var(--muted);
  font-size:14.8px;
  line-height:1.9;
}
.insight-points{margin-top:22px;display:grid;gap:14px;}
.insight-points li{
  padding-left:16px;
  border-left:2px solid var(--gold);
  font-size:14.4px;
  color:#3c4368;
  line-height:1.75;
}
.insight-points li b{color:var(--ink);}

/* ============ 资讯列表 ============ */
.news-layout{
  display:grid;
  grid-template-columns:minmax(0,1.72fr) minmax(0,1fr);
  gap:26px;
  align-items:start;
}
.news-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.news-item{
  display:block;
  padding:21px 24px;
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease),padding-left .22s var(--ease);
}
.news-item:last-child{border-bottom:0;}
.news-item:hover{background:#fafbff;padding-left:28px;}
.news-item h3{font-size:16.4px;font-weight:700;color:var(--ink);line-height:1.55;}
.news-item:hover h3{color:#2b3466;}
.news-item p{
  margin-top:7px;
  font-size:13.8px;
  color:var(--muted);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:11px;
  font-size:12.4px;
  color:#9aa2c2;
}
.side-rec{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:22px 22px 12px;
  box-shadow:var(--shadow);
}
.side-rec-title{
  font-size:15.5px;
  font-weight:800;
  color:var(--ink);
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  margin-bottom:6px;
}
.rec-item{
  display:block;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
  transition:padding-left .22s var(--ease);
}
.rec-item:last-child{border-bottom:0;}
.rec-item:hover{padding-left:6px;}
.rec-item .rec-title{
  display:block;
  font-size:14px;
  font-weight:600;
  color:#333a63;
  line-height:1.6;
}
.rec-item:hover .rec-title{color:var(--gold-deep);}
.rec-item .rec-date{display:block;font-size:12px;color:#a3aac8;margin-top:5px;}
.cms-empty{
  padding:34px 24px;
  text-align:center;
  color:#98a0c0;
  font-size:14px;
}

/* ============ 最新发布 ============ */
.release-list{display:grid;gap:12px;}
.release-item{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:16px;
  align-items:center;
  padding:16px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.release-item:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--line-strong);}
.release-item h3{font-size:15.2px;font-weight:600;color:var(--text);line-height:1.6;}
.release-item:hover h3{color:#2b3466;}
.release-meta{font-size:12.4px;color:#9aa2c2;white-space:nowrap;}
.release-tag{
  display:inline-block;
  font-size:11.5px;
  font-weight:700;
  color:#8a6000;
  background:rgba(255,180,0,.15);
  border:1px solid rgba(255,180,0,.35);
  padding:2px 9px;
  border-radius:999px;
  margin-right:10px;
  vertical-align:middle;
}

/* ============ 媒体精选 ============ */
.media-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.media-card{
  position:relative;
  border-radius:14px;
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
  background:#fff;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.media-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.media-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .55s var(--ease);}
.media-card:hover img{transform:scale(1.05);}
.media-caption{
  position:absolute;
  inset:auto 0 0 0;
  padding:34px 18px 16px;
  background:linear-gradient(180deg,transparent,rgba(15,19,40,.9));
  color:#fff;
}
.media-caption h3{font-size:15px;font-weight:700;line-height:1.5;}
.media-caption span{display:block;font-size:12.2px;color:#c2c9e6;margin-top:4px;}

/* ============ 数据分析 ============ */
.data-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:42px;
  align-items:center;
}
.bars{display:grid;gap:19px;}
.bar-row .bar-head{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  font-size:13.8px;
  color:#c8cfea;
  margin-bottom:8px;
}
.bar-row .bar-head b{color:var(--gold-light);font-size:15px;font-weight:800;}
.bar-track{
  height:9px;
  border-radius:99px;
  background:rgba(255,255,255,.12);
  overflow:hidden;
}
.bar-fill{
  height:100%;
  border-radius:99px;
  background:linear-gradient(90deg,var(--gold),var(--gold-deep));
}
.data-note{
  margin-top:16px;
  font-size:12.6px;
  color:#8f97bd;
  line-height:1.75;
}
.data-stats{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
  margin-bottom:26px;
}
.data-stat{
  padding:20px 20px 18px;
  border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
}
.data-stat strong{
  display:block;
  font-size:25px;
  font-weight:800;
  color:var(--gold-light);
  line-height:1.2;
}
.data-stat span{display:block;font-size:12.6px;color:#a3abcc;margin-top:5px;}

/* ============ 三步上手 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
  counter-reset:step;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:30px 24px 26px;
  box-shadow:var(--shadow);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.step::before{
  counter-increment:step;
  content:"0" counter(step);
  display:block;
  font-size:13px;
  font-weight:800;
  letter-spacing:2px;
  color:var(--gold-deep);
  margin-bottom:14px;
}
.step h3{font-size:16.8px;font-weight:700;color:var(--ink);}
.step p{margin-top:9px;font-size:13.9px;color:var(--muted);line-height:1.8;}

/* ============ 平台保障 ============ */
.guard-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.guard{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  box-shadow:var(--shadow);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.guard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.guard-mark{
  width:38px;height:38px;
  border-radius:10px;
  display:grid;place-items:center;
  background:rgba(255,180,0,.16);
  color:#8a6000;
  font-weight:800;
  font-size:15px;
  margin-bottom:14px;
}
.guard h3{font-size:15.6px;font-weight:700;color:var(--ink);}
.guard p{margin-top:8px;font-size:13.6px;color:var(--muted);line-height:1.8;}

/* ============ 订阅条 ============ */
.subscribe{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  padding:44px 42px;
  background:linear-gradient(118deg,#1a1f3d 0%,#262a55 52%,#33265f 100%);
  color:#fff;
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:34px;
  align-items:center;
  box-shadow:0 20px 46px rgba(20,24,50,.24);
}
.subscribe::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-110px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
}
.subscribe-text{position:relative;z-index:2;}
.subscribe-text h2{font-size:clamp(20px,2.1vw,26px);font-weight:800;letter-spacing:-.3px;}
.subscribe-text p{margin-top:11px;color:#bcc4e4;font-size:14.4px;line-height:1.85;max-width:520px;}
.sub-form{
  position:relative;
  z-index:2;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.sub-form input[type="email"]{
  flex:1 1 220px;
  min-width:0;
  padding:13px 16px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:14.4px;
  outline:none;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.sub-form input[type="email"]::placeholder{color:#9aa2c8;}
.sub-form input[type="email"]:focus{
  border-color:rgba(255,180,0,.72);
  background:rgba(255,255,255,.14);
}
.sub-hint{
  width:100%;
  font-size:12.4px;
  color:#98a0c8;
  margin-top:4px;
}
.sub-msg{
  width:100%;
  font-size:13px;
  color:var(--gold-light);
  margin-top:2px;
  display:none;
}
.sub-msg.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-deep);
  color:#98a0c0;
  padding:48px 0 26px;
  margin-top:0;
}
.footer-top{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:34px;
  flex-wrap:wrap;
  padding-bottom:30px;
  border-bottom:1px solid rgba(255,255,255,.09);
}
.footer-brand{display:flex;gap:13px;align-items:flex-start;max-width:430px;}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;font-size:18px;}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:800;letter-spacing:.6px;}
.footer-brand p{margin-top:7px;font-size:13.4px;color:#8f97ba;line-height:1.8;}
.footer-links{
  display:flex;
  gap:10px 26px;
  flex-wrap:wrap;
  align-items:center;
  padding-top:6px;
}
.footer-links a{
  font-size:13.8px;
  color:#aab2d2;
  padding:4px 0;
  border-bottom:1px solid transparent;
  transition:color .22s var(--ease),border-color .22s var(--ease);
}
.footer-links a:hover{color:var(--gold-light);border-color:rgba(255,180,0,.55);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:12.6px;
  color:#7a82a4;
  line-height:1.8;
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .wrap{padding:0 22px;}
  .insight{gap:32px;}
  .data-layout{gap:32px;}
}
@media (max-width:1023.98px){
  .side-nav{
    width:272px;
    transform:translateX(-100%);
    transition:transform .3s var(--ease);
    box-shadow:0 0 40px rgba(0,0,0,.35);
  }
  .side-nav.open{transform:translateX(0);}
  .app-main{margin-left:0;}
  .mobile-bar{display:flex;}
  .hero{padding-top:54px;}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .guard-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-layout{grid-template-columns:1fr;}
  .insight{grid-template-columns:1fr;}
  .insight-media{order:-1;}
  .data-layout{grid-template-columns:1fr;}
  .subscribe{grid-template-columns:1fr;padding:36px 28px;}
}
@media (max-width:900px){
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .channel-grid{grid-template-columns:1fr;}
  .media-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:1fr;}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));border-radius:14px;}
}
@media (max-width:767.98px){
  .block{padding:48px 0;}
  .hero-lead{font-size:15px;}
  .cal-item{grid-template-columns:1fr;gap:8px;padding:16px 18px;}
  .cal-date{display:flex;align-items:center;gap:8px;}
  .cal-date span{margin-top:0;}
  .cal-item .tag{justify-self:start;}
  .news-item{padding:18px 18px;}
  .news-item:hover{padding-left:18px;}
  .release-item{grid-template-columns:1fr;gap:8px;}
  .footer-top{flex-direction:column;gap:22px;}
}
@media (max-width:560px){
  .wrap{padding:0 16px;}
  .hero{padding-top:44px;}
  .hero-actions{gap:10px;}
  .btn-gold,.btn-ghost{width:100%;justify-content:center;padding:13px 18px;}
  .feature-grid{grid-template-columns:1fr;}
  .guard-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .media-grid{grid-template-columns:1fr;}
  .hero-metrics{grid-template-columns:1fr;border-radius:12px;}
  .metric{padding:16px 18px;}
  .data-stats{grid-template-columns:1fr;}
  .subscribe{padding:28px 20px;border-radius:14px;}
  .sub-form input[type="email"]{flex:1 1 100%;}
  .sec-head{margin-bottom:24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-deep:#12162e;
 --ink-soft:#252b52;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --gold-deep:#ff8a00;
 --bg:#f4f6fb;
 --card:#ffffff;
 --text:#1e2338;
 --muted:#6d7492;
 --line:#e4e8f3;
 --line-strong:#d3daec;
 --radius-sm:8px;
 --radius:12px;
 --radius-lg:18px;
 --shadow:0 6px 20px rgba(26,31,61,.07);
 --shadow-lg:0 16px 40px rgba(26,31,61,.14);
 --sidebar-w:248px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:15px;
 -webkit-font-smoothing:antialiased;
 -moz-osx-font-smoothing:grayscale;
}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:inherit;}
img{max-width:100%;display:block;border:0;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
::selection{background:rgba(255,180,0,.32);color:#231a04;}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 30px;}

/* ============ 布局骨架 ============ */
.app-main{
 margin-left:var(--sidebar-w);
 min-height:100vh;
 display:flex;
 flex-direction:column;
 background:var(--bg);
}
main{flex:1 1 auto;}

/* ============ 左侧导航 ============ */
.side-nav{
 position:fixed;
 top:0;left:0;bottom:0;
 width:var(--sidebar-w);
 padding:26px 18px 22px;
 display:flex;
 flex-direction:column;
 gap:4px;
 background:linear-gradient(175deg,#1a1f3d 0%,#161a35 55%,#12162e 100%);
 color:#c7cde8;
 z-index:1040;
 overflow-y:auto;
 scrollbar-width:thin;
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px;}
.brand{
 display:flex;
 align-items:center;
 gap:11px;
 padding:4px 8px 18px;
 border-bottom:1px solid rgba(255,255,255,.08);
 margin-bottom:8px;
}
.brand-mark{
 width:42px;height:42px;
 flex:0 0 42px;
 border-radius:11px;
 background:linear-gradient(135deg,var(--gold),var(--gold-deep));
 display:grid;place-items:center;
 font-weight:800;font-size:19px;color:#231a04;
 box-shadow:0 8px 18px rgba(255,150,0,.28);
}
.brand-text strong{
 display:block;
 color:#fff;
 font-size:17px;
 font-weight:800;
 letter-spacing:.6px;
 line-height:1.3;
}
.brand-text em{
 display:block;
 font-style:normal;
 font-size:10.5px;
 letter-spacing:2.4px;
 color:#7d85ad;
 margin-top:2px;
}
.nav-caption{
 font-size:11px;
 letter-spacing:2.4px;
 color:#767ea6;
 padding:16px 12px 8px;
 text-transform:uppercase;
}
.nav-link{
 display:flex;
 align-items:center;
 gap:10px;
 padding:11px 13px;
 border-radius:10px;
 color:#bcc3e0;
 font-size:14.5px;
 font-weight:500;
 position:relative;
 transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link .nav-dot{
 width:6px;height:6px;border-radius:50%;
 background:currentColor;opacity:.5;flex:0 0 6px;
}
.nav-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px);}
.nav-link.active{
 background:linear-gradient(90deg,rgba(255,180,0,.22),rgba(255,180,0,.03));
 color:var(--gold-light);
 font-weight:700;
 box-shadow:inset 3px 0 0 var(--gold);
}
.nav-link.active .nav-dot{opacity:1;background:var(--gold);}
.side-note{
 margin-top:auto;
 background:rgba(255,255,255,.05);
 border:1px solid rgba(255,255,255,.08);
 border-radius:var(--radius);
 padding:14px 15px;
 font-size:12.5px;
 line-height:1.8;
 color:#98a1c9;
}
.side-note b{display:block;color:var(--gold-light);font-size:12.5px;margin-bottom:5px;letter-spacing:.5px;}

/* 移动端顶栏 */
.mobile-bar{
 display:none;
 position:sticky;
 top:0;
 z-index:1035;
 align-items:center;
 justify-content:space-between;
 gap:12px;
 padding:12px 18px;
 background:rgba(22,26,49,.97);
 backdrop-filter:blur(12px);
 border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-brand{color:#fff;font-size:16.5px;font-weight:800;letter-spacing:.6px;}
.mobile-brand span{color:var(--gold);}
.nav-toggle{
 width:38px;height:38px;
 border:1px solid rgba(255,255,255,.18);
 background:transparent;
 border-radius:9px;
 display:grid;
 place-content:center;
 gap:4px;
 padding:0;
}
.nav-toggle span{display:block;width:17px;height:2px;background:#e6e9f8;border-radius:2px;transition:.24s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-mask{
 position:fixed;inset:0;
 background:rgba(10,13,28,.55);
 backdrop-filter:blur(2px);
 opacity:0;visibility:hidden;
 transition:opacity .26s var(--ease),visibility .26s var(--ease);
 z-index:1038;
}
.nav-mask.show{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn-gold{
 display:inline-flex;
 align-items:center;
 gap:8px;
 padding:13px 27px;
 border:0;
 border-radius:10px;
 background:linear-gradient(135deg,#ffc733,#ff9c00);
 color:#241a04;
 font-weight:800;
 font-size:15px;
 letter-spacing:.4px;
 box-shadow:0 10px 24px rgba(255,150,0,.32);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),color .24s var(--ease);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(255,150,0,.44);color:#241a04;}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,150,0,.34);}
.btn-gold:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:3px;}
.btn-ghost{
 display:inline-flex;
 align-items:center;
 gap:8px;
 padding:13px 25px;
 border-radius:10px;
 border:1px solid rgba(255,255,255,.34);
 color:#f0f2ff;
 font-weight:600;
 font-size:15px;
 background:rgba(255,255,255,.03);
 transition:background .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,209,102,.6);color:#fff;transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:3px solid rgba(255,180,0,.5);outline-offset:3px;}

/* ============ 文章头图 ============ */
.article-hero{
 position:relative;
 overflow:hidden;
 background:#141833;
 color:#fff;
}
.hero-media{
 position:absolute;inset:0;
 background:url('/assets/images/红中血流-纯正家乡麻将-jj麻将小游戏-是时候展现真正的牌技了-这样胡.webp') center/cover no-repeat;
 opacity:.34;
 transform:scale(1.05);
}
.hero-veil{
 position:absolute;inset:0;
 background:
 radial-gradient(circle at 84% 10%,rgba(255,180,0,.22),transparent 48%),
 linear-gradient(118deg,rgba(15,19,40,.97) 0%,rgba(26,31,61,.91) 54%,rgba(43,32,76,.87) 100%);
}
.article-hero .wrap{position:relative;z-index:2;padding-top:46px;padding-bottom:56px;}
.crumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.8px;color:#98a1c9;}
.crumb a{color:#ccd3ee;}
.crumb a:hover{color:var(--gold-light);}
.crumb .sep{opacity:.45;}
.hero-tag{
 display:inline-flex;
 align-items:center;
 gap:8px;
 margin-top:22px;
 padding:6px 15px;
 border-radius:999px;
 background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.36);
 color:var(--gold-light);
 font-size:12.5px;
 letter-spacing:1px;
}
.hero-tag:empty{display:none;}
.article-hero h1{
 font-size:clamp(26px,3.5vw,42px);
 line-height:1.32;
 font-weight:800;
 letter-spacing:-.4px;
 max-width:880px;
 margin:18px 0 0;
 color:#fff;
}
.hero-sub{
 max-width:730px;
 margin:16px 0 0;
 color:#c3cbea;
 font-size:15.4px;
 line-height:1.92;
}
.hero-meta{
 display:flex;
 flex-wrap:wrap;
 gap:10px 24px;
 margin-top:26px;
 font-size:13.2px;
 color:#a6afd4;
}
.hero-meta b{color:var(--gold-light);font-weight:700;}

/* ============ 摘要要点 ============ */
.summary-strip{position:relative;z-index:3;margin-top:-40px;padding-bottom:8px;}
.summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.summary-card{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 padding:24px 22px;
 box-shadow:var(--shadow-lg);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.summary-card:hover{transform:translateY(-3px);box-shadow:0 22px 46px rgba(26,31,61,.16);}
.summary-card .ico{
 width:38px;height:38px;
 border-radius:10px;
 display:grid;place-items:center;
 background:linear-gradient(135deg,rgba(255,199,51,.24),rgba(255,156,0,.14));
 color:#a8700a;
 font-weight:800;
 font-size:15px;
 margin-bottom:14px;
}
.summary-card h2{font-size:16.5px;font-weight:800;margin:0 0 8px;color:var(--ink);letter-spacing:.2px;}
.summary-card p{margin:0;font-size:14px;line-height:1.82;color:var(--muted);}

/* ============ 正文 ============ */
.article-section{padding:52px 0 66px;}
.article-paper{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow);
 padding:40px 46px 44px;
}
.paper-head{
 display:flex;
 align-items:center;
 gap:12px;
 padding-bottom:18px;
 margin-bottom:8px;
 border-bottom:1px dashed var(--line-strong);
}
.paper-head span.kicker{
 font-size:12px;
 letter-spacing:2.4px;
 color:var(--gold-deep);
 font-weight:800;
}
.paper-head span.line{flex:1 1 auto;height:1px;background:linear-gradient(90deg,var(--line-strong),transparent);}
.cms-content{font-size:15.6px;line-height:2;color:#2b3150;word-break:break-word;}
.cms-content > *:first-child{margin-top:0;}
.cms-content h2{
 font-size:22px;
 font-weight:800;
 color:var(--ink);
 margin:36px 0 14px;
 padding-left:14px;
 border-left:4px solid var(--gold);
 line-height:1.5;
}
.cms-content h3{
 font-size:18px;
 font-weight:800;
 color:var(--ink);
 margin:28px 0 10px;
 line-height:1.55;
}
.cms-content h4{font-size:16px;font-weight:800;color:var(--ink-soft);margin:22px 0 8px;}
.cms-content p{margin:0 0 16px;}
.cms-content ul,.cms-content ol{padding-left:22px;margin:0 0 18px;}
.cms-content li{margin-bottom:8px;}
.cms-content img{border-radius:var(--radius);margin:20px 0;box-shadow:var(--shadow);height:auto;}
.cms-content blockquote{
 margin:22px 0;
 padding:16px 20px;
 background:#fbf7ea;
 border-left:3px solid var(--gold);
 border-radius:0 var(--radius) var(--radius) 0;
 color:#5c5024;
 font-size:14.8px;
}
.cms-content blockquote p:last-child{margin-bottom:0;}
.cms-content a{color:#9a6600;text-decoration:underline;text-underline-offset:3px;font-weight:600;}
.cms-content a:hover{color:var(--gold-deep);}
.cms-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.4px;}
.cms-content th,.cms-content td{border:1px solid var(--line);padding:10px 13px;text-align:left;}
.cms-content th{background:#f2f5fc;color:var(--ink);font-weight:700;}
.cms-content hr{border:0;border-top:1px dashed var(--line-strong);margin:28px 0;}
.empty-state{text-align:center;padding:26px 10px 6px;}
.empty-state h2{font-size:22px;font-weight:800;color:var(--ink);margin:0 0 12px;}
.empty-state p{color:var(--muted);font-size:14.6px;margin:0 auto 24px;max-width:460px;}

/* ============ 板块通用标题 ============ */
.band{padding:66px 0;}
.band-tint{background:linear-gradient(180deg,#eef2fa 0%,#f7f9fd 100%);}
.band-white{background:#fff;}
.section-head{max-width:740px;margin-bottom:34px;}
.section-kicker{
 display:inline-block;
 font-size:11.8px;
 letter-spacing:2.6px;
 color:#a8700a;
 font-weight:800;
 background:rgba(255,180,0,.14);
 border-radius:999px;
 padding:5px 13px;
}
.section-head h2{
 font-size:clamp(21px,2.6vw,30px);
 font-weight:800;
 color:var(--ink);
 margin:14px 0 0;
 line-height:1.4;
 letter-spacing:-.3px;
}
.section-head p{margin:12px 0 0;color:var(--muted);font-size:14.8px;line-height:1.9;}

/* ============ 速查表 ============ */
.check-card{
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow);
 overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.check-table{width:100%;border-collapse:collapse;min-width:640px;font-size:14.4px;}
table.check-table thead th{
 background:linear-gradient(120deg,#1a1f3d,#252b52);
 color:#f2f4ff;
 font-weight:700;
 padding:15px 18px;
 text-align:left;
 font-size:13.8px;
 letter-spacing:.6px;
 white-space:nowrap;
}
table.check-table tbody td{
 padding:15px 18px;
 border-bottom:1px solid var(--line);
color:#3a4060;
line-height:1.75;
vertical-align:top;
}
table.check-table tbody tr:last-child td{border-bottom:0;}
table.check-table tbody tr:nth-child(even){background:#fafbff;}
table.check-table tbody tr:hover{background:#f4f7ff;}
table.check-table td:first-child{font-weight:800;color:var(--ink);white-space:nowrap;}
.check-note{
 display:flex;
 gap:12px;
 align-items:flex-start;
 margin-top:18px;
 padding:16px 20px;
 background:rgba(255,180,0,.09);
 border:1px solid rgba(255,180,0,.3);
 border-radius:var(--radius);
 font-size:13.8px;
 color:#6b5820;
 line-height:1.8;
}
.check-note b{color:#8a6100;}

/* ============ 推荐轨 ============ */
.rail{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rail-card{
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 overflow:hidden;
 box-shadow:var(--shadow);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
 display:flex;
 flex-direction:column;
}
.rail-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45);}
.rail-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#e8ecf7;}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.rail-card:hover .rail-thumb img{transform:scale(1.06);}
.rail-thumb .rail-badge{
 position:absolute;left:12px;top:12px;
 padding:4px 11px;
 border-radius:999px;
 background:rgba(18,22,46,.82);
 color:var(--gold-light);
 font-size:11.5px;
 letter-spacing:.8px;
 backdrop-filter:blur(4px);
}
.rail-body{padding:17px 19px 21px;flex:1 1 auto;display:flex;flex-direction:column;}
.rail-body h3{font-size:15.6px;font-weight:800;color:var(--ink);margin:0 0 9px;line-height:1.6;}
.rail-body p{margin:0;font-size:13.6px;color:var(--muted);line-height:1.82;}

/* ============ 术语与复盘 ============ */
.terms-layout{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center;}
.terms-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);}
.terms-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.terms-media figcaption{
 position:absolute;left:0;right:0;bottom:0;
 padding:22px 20px 16px;
 background:linear-gradient(0deg,rgba(15,19,40,.92),rgba(15,19,40,0));
 color:#e7eaff;
 font-size:13px;
 letter-spacing:.4px;
}
.terms-list{list-style:none;padding:0;margin:0;display:grid;gap:13px;}
.terms-list li{
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:16px 19px;
 box-shadow:var(--shadow);
 transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.terms-list li:hover{transform:translateX(4px);border-color:rgba(255,180,0,.5);}
.terms-list b{display:block;font-size:15px;color:var(--ink);margin-bottom:5px;font-weight:800;}
.terms-list span{display:block;color:var(--muted);font-size:13.7px;line-height:1.8;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
 background:#f8fafe;
 border:1px solid var(--line);
 border-radius:var(--radius);
 overflow:hidden;
 transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow);background:#fff;}
.faq-item summary{
 list-style:none;
 cursor:pointer;
 padding:17px 20px;
 font-size:15px;
 font-weight:800;
 color:var(--ink);
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:16px;
 line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";
 color:var(--gold-deep);
 font-size:20px;
 font-weight:700;
 line-height:1;
 transition:transform .24s var(--ease);
 flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:focus-visible{outline:3px solid rgba(255,180,0,.5);outline-offset:-3px;}
.faq-item p{margin:0;padding:0 20px 19px;color:var(--muted);font-size:14.2px;line-height:1.9;}

/* ============ CTA ============ */
.cta-band{padding:0 0 72px;}
.cta-card{
 position:relative;
 overflow:hidden;
 border-radius:var(--radius-lg);
 background:linear-gradient(125deg,#1a1f3d 0%,#252b52 58%,#33265c 100%);
 color:#fff;
 padding:46px 48px;
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:30px;
 flex-wrap:wrap;
 box-shadow:var(--shadow-lg);
}
.cta-card::after{
 content:"";
 position:absolute;
 right:-70px;top:-80px;
 width:280px;height:280px;
 border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.34),transparent 68%);
 pointer-events:none;
}
.cta-text{position:relative;z-index:2;max-width:620px;}
.cta-text h2{font-size:clamp(21px,2.5vw,28px);font-weight:800;margin:0 0 12px;color:#fff;line-height:1.4;}
.cta-text p{margin:0;color:#c2c9e8;font-size:14.6px;line-height:1.88;}
.cta-card .btn-gold{position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
 background:#12162e;
 color:#98a1c6;
 padding:46px 0 26px;
 border-top:1px solid rgba(255,255,255,.06);
}
.site-footer .wrap{max-width:1120px;}
.footer-top{
 display:flex;
 justify-content:space-between;
 align-items:flex-start;
 gap:30px;
 flex-wrap:wrap;
 padding-bottom:26px;
 border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;gap:14px;align-items:flex-start;max-width:540px;}
.footer-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;font-size:18px;}
.footer-brand strong{display:block;color:#fff;font-size:16px;font-weight:800;letter-spacing:.5px;}
.footer-brand p{margin:7px 0 0;font-size:13.4px;line-height:1.8;color:#8d96bd;}
.footer-links{display:flex;flex-wrap:wrap;gap:12px 24px;}
.footer-links a{color:#b9c1e0;font-size:14px;}
.footer-links a:hover{color:var(--gold-light);}
.footer-links a:focus-visible{outline:2px solid rgba(255,180,0,.6);outline-offset:4px;border-radius:4px;}
.footer-bottom{
 display:flex;
 justify-content:space-between;
 gap:14px;
 flex-wrap:wrap;
 padding-top:20px;
 font-size:12.8px;
 color:#727ba4;
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
 .wrap{max-width:1000px;}
}
@media (max-width:1024px){
 .side-nav{
  transform:translateX(-100%);
  transition:transform .3s var(--ease);
  width:272px;
  box-shadow:18px 0 44px rgba(8,11,26,.4);
 }
 .side-nav.open{transform:translateX(0);}
 .mobile-bar{display:flex;}
 .app-main{margin-left:0;}
 .terms-layout{grid-template-columns:1fr;gap:28px;}
 .terms-media img{aspect-ratio:16/9;}
 .article-hero .wrap{padding-top:38px;padding-bottom:48px;}
}
@media (max-width:900px){
 .summary-grid{grid-template-columns:1fr;}
 .summary-strip{margin-top:-28px;}
 .rail{grid-template-columns:1fr 1fr;}
 .band{padding:52px 0;}
 .article-paper{padding:30px 26px 34px;}
 .cta-card{padding:36px 30px;}
}
@media (max-width:768px){
 .wrap{padding:0 18px;}
 .article-hero h1{font-size:clamp(23px,6vw,31px);}
 .hero-sub{font-size:14.6px;}
 .cms-content{font-size:15px;line-height:1.95;}
 .cms-content h2{font-size:19.5px;margin-top:28px;}
 .cms-content h3{font-size:17px;}
 .footer-top{flex-direction:column;gap:22px;}
 .band{padding:46px 0;}
}
@media (max-width:640px){
 .rail{grid-template-columns:1fr;}
 .article-paper{padding:24px 18px 28px;}
 .paper-head{padding-bottom:14px;}
 .summary-card{padding:20px 18px;}
 .hero-meta{gap:8px 16px;font-size:12.6px;}
 .cta-card{padding:30px 22px;}
 .btn-gold,.btn-ghost{padding:12px 20px;font-size:14.4px;width:100%;justify-content:center;}
 .cta-card .btn-gold{width:auto;}
 .footer-bottom{flex-direction:column;gap:8px;}
 .section-head h2{font-size:21px;}
}
@media (prefers-reduced-motion:reduce){
 *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
 --ink:#1a1f3d;
 --ink-deep:#12162e;
 --ink-soft:#252b52;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --gold-deep:#ff8a00;
 --bg:#f4f6fb;
 --card:#ffffff;
 --text:#1e2338;
 --muted:#6d7492;
 --line:#e4e8f3;
 --line-strong:#d3daec;
 --radius-sm:8px;
 --radius:12px;
 --radius-lg:18px;
 --shadow:0 6px 20px rgba(26,31,61,.07);
 --shadow-lg:0 16px 40px rgba(26,31,61,.14);
 --sidebar-w:248px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:15px;
 -webkit-font-smoothing:antialiased;
 -moz-osx-font-smoothing:grayscale;
}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);}
img{max-width:100%;display:block;border:0;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 26px;}
/* ===== 左侧导航 ===== */
.app-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;background:var(--bg);}
main{flex:1 1 auto;}
.side-nav{
 position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
 padding:26px 18px 22px;display:flex;flex-direction:column;gap:4px;
 background:linear-gradient(175deg,#1a1f3d 0%,#161a35 55%,#12162e 100%);
 color:#c7cde8;z-index:1040;overflow-y:auto;scrollbar-width:thin;
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px;}
.brand{display:flex;align-items:center;gap:11px;padding:4px 8px 18px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:8px;}
.brand-mark{
 width:42px;height:42px;flex:0 0 42px;border-radius:11px;
 background:linear-gradient(135deg,var(--gold),var(--gold-deep));
 display:grid;place-items:center;font-weight:800;font-size:19px;color:#231a04;
 box-shadow:0 8px 18px rgba(255,150,0,.28);
}
.brand-text strong{display:block;color:#fff;font-size:17px;font-weight:800;letter-spacing:.6px;line-height:1.3;}
.brand-text em{display:block;font-style:normal;font-size:10.5px;letter-spacing:2.4px;color:#7d85ad;margin-top:2px;}
.nav-caption{font-size:11px;letter-spacing:2.4px;color:#767ea6;padding:16px 12px 8px;text-transform:uppercase;}
.nav-link{
 display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:10px;
 color:#bcc3e0;font-size:14.5px;font-weight:500;position:relative;
 transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link .nav-dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.5;flex:0 0 6px;}
.nav-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px);}
.nav-link.active{
 background:linear-gradient(90deg,rgba(255,180,0,.22),rgba(255,180,0,.03));
 color:var(--gold-light);font-weight:700;box-shadow:inset 3px 0 0 var(--gold);
}
.nav-link.active .nav-dot{opacity:1;background:var(--gold);}
.side-note{
 margin-top:auto;padding:16px 14px;border-radius:var(--radius);
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
 font-size:12.4px;line-height:1.85;color:#98a0c4;
}
.side-note b{display:block;color:var(--gold-light);font-size:12.8px;margin-bottom:6px;letter-spacing:.6px;}
/* ===== 移动端顶栏 ===== */
.mobile-bar{
 display:none;position:sticky;top:0;z-index:1035;
 align-items:center;justify-content:space-between;gap:12px;
 padding:12px 18px;background:rgba(22,26,49,.97);
 backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-brand{color:#fff;font-size:16.5px;font-weight:800;letter-spacing:.6px;}
.mobile-brand span{color:var(--gold);}
.nav-toggle{
 width:38px;height:38px;border:1px solid rgba(255,255,255,.18);
 background:transparent;border-radius:9px;display:grid;place-content:center;gap:4px;padding:0;
}
.nav-toggle span{display:block;width:17px;height:2px;background:#e6e9f8;border-radius:2px;transition:.24s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-mask{
 position:fixed;inset:0;background:rgba(10,13,28,.55);backdrop-filter:blur(2px);
 opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s var(--ease);z-index:1038;
}
.nav-mask.show{opacity:1;visibility:visible;}
/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;background:#151935;color:#fff;padding:74px 0 0;}
.hero-bg{
 position:absolute;inset:0;
 background:url('/assets/images/红中血流-纯正家乡麻将-jj麻将小游戏-是时候展现真正的牌技了-这样胡.webp') center/cover no-repeat;
 opacity:.3;transform:scale(1.04);
}
.hero-veil{
 position:absolute;inset:0;
 background:
 radial-gradient(circle at 82% 12%,rgba(255,180,0,.22),transparent 46%),
 linear-gradient(118deg,rgba(16,20,42,.97) 0%,rgba(26,31,61,.9) 52%,rgba(40,31,74,.84) 100%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-eyebrow{
 display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.36);
 color:var(--gold-light);font-size:12.5px;letter-spacing:1.2px;
}
.hero h1{
 font-size:clamp(27px,3.6vw,44px);line-height:1.26;font-weight:800;
 letter-spacing:-.6px;margin:20px 0 0;max-width:900px;
}
.hero h1 em{font-style:normal;color:var(--gold-light);}
.hero-lead{max-width:740px;margin-top:18px;color:#c5cceb;font-size:15.6px;line-height:1.95;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn-gold{
 display:inline-flex;align-items:center;gap:8px;padding:13px 27px;border:0;border-radius:10px;
 background:linear-gradient(135deg,#ffc733,#ff9c00);color:#241a04;font-weight:800;font-size:15px;
 letter-spacing:.4px;box-shadow:0 10px 24px rgba(255,150,0,.32);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(255,150,0,.44);color:#241a04;}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,150,0,.34);}
.btn-ghost{
 display:inline-flex;align-items:center;gap:8px;padding:13px 25px;border-radius:10px;
 border:1px solid rgba(255,255,255,.34);color:#f0f2ff;font-weight:600;font-size:15px;
 background:rgba(255,255,255,.03);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,180,0,.6);}
/* 分类 Hero 变体 */
.cat-hero{padding:52px 0 54px;}
.hero-series{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.hero-series a{
 font-size:13px;padding:7px 15px;border-radius:999px;
 border:1px solid rgba(255,255,255,.22);color:#d4daf2;background:rgba(255,255,255,.05);
}
.hero-series a:hover{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.5);color:var(--gold-light);}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;font-size:13px;color:#9fa8cd;}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;}
.hero-meta i{width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;font-style:normal;}
/* ===== 板块 ===== */
.sec{padding:66px 0;position:relative;}
.sec-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:780px;margin-bottom:34px;}
.sec-tag{display:inline-block;font-size:12px;letter-spacing:1.8px;color:var(--gold-deep);font-weight:700;margin-bottom:10px;}
.sec-head h2{font-size:clamp(22px,2.5vw,31px);font-weight:800;color:var(--ink);letter-spacing:-.4px;margin:0;line-height:1.4;}
.sec-head p{margin:12px 0 0;color:var(--muted);font-size:14.8px;}
/* 数据条 */
.stat-band{background:#fff;border-bottom:1px solid var(--line);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-cell{padding:26px 22px;border-right:1px dashed var(--line);}
.stat-cell:last-child{border-right:0;}
.stat-cell b{display:block;font-size:30px;line-height:1.25;color:var(--ink);font-weight:800;letter-spacing:-1px;}
.stat-cell b i{font-style:normal;color:var(--gold-deep);font-size:14px;margin-left:4px;letter-spacing:0;}
.stat-cell span{font-size:13.4px;color:var(--muted);}
/* 规则卡 */
.rule-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:18px;}
.rule-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.rule-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.rule-card h3{margin:0 0 10px;font-size:17px;color:var(--ink);font-weight:800;letter-spacing:-.2px;}
.rule-card p{margin:0;font-size:14.3px;color:var(--muted);line-height:1.9;}
.rule-card .rc-no{
 display:inline-flex;align-items:center;justify-content:center;
 min-width:34px;height:24px;padding:0 9px;border-radius:7px;margin-bottom:14px;
 background:rgba(255,180,0,.14);color:#a36300;font-size:12px;font-weight:800;letter-spacing:1px;
}
.rule-card.lead{
 grid-row:span 2;border:0;color:#c9d0ee;
 background:linear-gradient(160deg,#1a1f3d 0%,#232a54 62%,#2d2354 100%);
 box-shadow:0 18px 38px rgba(20,25,52,.28);
 display:flex;flex-direction:column;justify-content:flex-end;
}
.rule-card.lead h3{color:#fff;font-size:20px;}
.rule-card.lead p{color:#b9c1e3;}
.rule-card.lead .rc-no{background:rgba(255,180,0,.2);color:var(--gold-light);}
.rule-card.lead .lead-badge{
 align-self:flex-start;margin-bottom:auto;padding:6px 13px;border-radius:999px;
 border:1px solid rgba(255,180,0,.42);color:var(--gold-light);font-size:12px;letter-spacing:1.2px;
}
.rule-card.lead:hover{transform:translateY(-4px);box-shadow:0 24px 46px rgba(20,25,52,.36);}
/* 图文分栏 */
.pattern{display:grid;grid-template-columns:.95fr 1.15fr;gap:38px;align-items:center;}
.pattern-figure{
 border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);
 background:#fff;position:relative;
}
.pattern-figure img{width:100%;height:100%;aspect-ratio:4/3.1;object-fit:cover;}
.pattern-figure figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:26px 22px 16px;
 font-size:12.6px;color:#dfe4f8;
 background:linear-gradient(180deg,rgba(18,22,46,0),rgba(18,22,46,.86));
}
.pattern-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.pattern-list li{
 display:flex;gap:14px;align-items:flex-start;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:15px 18px;box-shadow:var(--shadow);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.pattern-list li:hover{transform:translateX(3px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.pattern-list .dot{
 flex:0 0 9px;width:9px;height:9px;border-radius:50%;margin-top:9px;
 background:linear-gradient(135deg,var(--gold),var(--gold-deep));
}
.pattern-list b{display:block;color:var(--ink);font-size:15px;margin-bottom:2px;}
.pattern-list span{font-size:13.8px;color:var(--muted);line-height:1.8;}
/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.flow-step{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px 26px;box-shadow:var(--shadow);position:relative;overflow:hidden;
 transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.flow-step::before{
 content:"";position:absolute;top:0;left:0;width:100%;height:3px;
 background:linear-gradient(90deg,var(--gold),var(--gold-deep));
 opacity:.85;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.step-no{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(135deg,#ffc733,#ff9c00);color:#241a04;font-weight:800;font-size:14.5px;
 margin-bottom:14px;
}
.flow-step h3{margin:0 0 8px;font-size:15.6px;color:var(--ink);font-weight:800;}
.flow-step p{margin:0;font-size:13.9px;color:var(--muted);line-height:1.85;}
/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);overflow:hidden;
 transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-lg);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;color:var(--ink);
 display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:15.2px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";flex:0 0 auto;width:24px;text-align:center;
 font-size:19px;font-weight:800;color:var(--gold-deep);
 transition:transform .24s var(--ease);
}
.faq-item[open] summary::after{content:"–";}
.faq-body{
 padding:0 22px 20px;color:#484f70;font-size:14.4px;line-height:1.92;
 border-top:1px solid var(--line);margin:0 22px;padding-left:0;padding-right:0;padding-top:14px;
}
/* 地方玩法 */
.region-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.region-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow);display:flex;flex-direction:column;
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.region-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.region-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.rc-body{padding:20px 22px 24px;}
.rc-body h3{margin:0 0 8px;font-size:16.4px;color:var(--ink);font-weight:800;}
.rc-body p{margin:0;font-size:13.9px;color:var(--muted);line-height:1.88;}
.rc-tag{
 display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.8px;
 padding:3px 10px;border-radius:999px;background:rgba(26,31,61,.06);color:#3a4270;margin-bottom:12px;
}
/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.news-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.news-tag{
 align-self:flex-start;display:inline-block;font-size:11.5px;font-weight:700;
 padding:3px 10px;border-radius:999px;background:rgba(255,180,0,.15);color:#a36300;margin-bottom:12px;
}
.news-card h3{margin:0 0 10px;font-size:15.8px;line-height:1.6;color:var(--ink);font-weight:800;}
.news-card h3 a:hover{color:var(--gold-deep);}
.news-card p{margin:0;font-size:13.6px;color:var(--muted);line-height:1.85;}
.news-date{margin-top:14px;font-size:12.4px;color:#9aa2c4;letter-spacing:.3px;}
.news-empty{
 margin:0;padding:26px 24px;border:1px dashed var(--line-strong);border-radius:var(--radius);
 color:var(--muted);font-size:14px;background:#fff;
}
/* CTA */
.cta-sec{padding:0 0 70px;}
.cta-band{
 background:linear-gradient(120deg,#1a1f3d 0%,#252b52 58%,#3a2a55 100%);
 color:#fff;border-radius:var(--radius-lg);padding:40px 44px;
 display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between;align-items:center;
 box-shadow:var(--shadow-lg);
}
.cta-band h2{margin:0;font-size:clamp(20px,2.3vw,27px);font-weight:800;letter-spacing:-.3px;}
.cta-band p{margin:10px 0 0;color:#c3cae9;font-size:14.4px;max-width:640px;}
.cta-band .btn-gold{flex:0 0 auto;}
/* ===== 页脚 ===== */
.site-footer{
 background:linear-gradient(170deg,#1a1f3d 0%,#151936 55%,#12162e 100%);
 color:#b9c0de;padding:46px 0 26px;
}
.footer-top{
 display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;
 padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;gap:14px;max-width:560px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.5px;}
.footer-brand p{margin:7px 0 0;font-size:13.4px;color:#9aa2c4;line-height:1.85;}
.footer-links{display:flex;flex-wrap:wrap;gap:6px 22px;font-size:14px;align-items:flex-start;}
.footer-links a{color:#c2c9e6;padding:4px 0;border-bottom:1px solid transparent;}
.footer-links a:hover{color:var(--gold-light);border-bottom-color:rgba(255,180,0,.55);}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 padding-top:20px;font-size:12.7px;color:#8189ad;
}
/* ===== 响应式 ===== */
@media (max-width:1200px){
 .rule-grid{grid-template-columns:1fr 1fr;}
 .rule-card.lead{grid-column:span 2;grid-row:auto;}
}
@media (max-width:1024px){
 .side-nav{transform:translateX(-100%);transition:transform .3s var(--ease);box-shadow:0 0 40px rgba(0,0,0,.4);}
 .side-nav.show{transform:translateX(0);}
 .app-main{margin-left:0;}
 .mobile-bar{display:flex;}
 .pattern{grid-template-columns:1fr;gap:26px;}
 .flow{grid-template-columns:1fr 1fr;}
 .region-grid{grid-template-columns:1fr 1fr;}
 .news-grid{grid-template-columns:1fr 1fr;}
 .stat-grid{grid-template-columns:1fr 1fr;}
 .stat-cell:nth-child(2){border-right:0;}
 .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px dashed var(--line);}
 .cta-band{padding:34px 30px;}
}
@media (max-width:768px){
 .wrap{padding:0 18px;}
 .sec{padding:50px 0;}
 .cat-hero{padding:38px 0 42px;}
 .hero-series{gap:8px;margin-bottom:20px;}
 .hero-series a{font-size:12.4px;padding:6px 12px;}
 .hero-lead{font-size:14.8px;}
 .rule-grid{grid-template-columns:1fr;}
 .rule-card.lead{grid-column:auto;}
 .region-grid{grid-template-columns:1fr;}
 .news-grid{grid-template-columns:1fr;}
 .flow{grid-template-columns:1fr;}
 .cta-sec{padding:0 0 54px;}
 .cta-band{padding:28px 24px;}
 .footer-top{flex-direction:column;}
}
@media (max-width:520px){
 .stat-grid{grid-template-columns:1fr;}
 .stat-cell{border-right:0;border-bottom:1px dashed var(--line);padding:20px 18px;}
 .stat-cell:last-child{border-bottom:0;}
 .hero h1{font-size:25px;}
 .hero-actions .btn-gold,.hero-actions .btn-ghost{padding:11px 20px;font-size:14.2px;width:100%;justify-content:center;}
 .faq-item summary{padding:16px 16px;font-size:14.4px;}
 .faq-body{margin:0 16px;padding-bottom:16px;}
 .cta-band .btn-gold{width:100%;justify-content:center;}
 .footer-bottom{font-size:12px;}
}

/* roulang page: category2 */
:root{
 --ink:#1a1f3d;
 --ink-deep:#12162e;
 --ink-soft:#252b52;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --gold-deep:#ff8a00;
 --bg:#f4f6fb;
 --card:#ffffff;
 --text:#1e2338;
 --muted:#6d7492;
 --line:#e4e8f3;
 --line-strong:#d3daec;
 --radius-sm:8px;
 --radius:12px;
 --radius-lg:18px;
 --shadow:0 6px 20px rgba(26,31,61,.07);
 --shadow-lg:0 16px 40px rgba(26,31,61,.14);
 --sidebar-w:248px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:15px;
 -webkit-font-smoothing:antialiased;
 -moz-osx-font-smoothing:grayscale;
}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
img{max-width:100%;display:block;border:0;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;color:var(--ink);letter-spacing:-.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 34px;}

/* ============ 布局骨架 ============ */
.app-main{
 margin-left:var(--sidebar-w);
 min-height:100vh;
 display:flex;
 flex-direction:column;
 background:var(--bg);
}
main{flex:1 1 auto;}

/* ============ 左侧导航 ============ */
.side-nav{
 position:fixed;
 top:0;left:0;bottom:0;
 width:var(--sidebar-w);
 padding:26px 18px 22px;
 display:flex;
 flex-direction:column;
 gap:4px;
 background:linear-gradient(175deg,#1a1f3d 0%,#161a35 55%,#12162e 100%);
 color:#c7cde8;
 z-index:1040;
 overflow-y:auto;
 scrollbar-width:thin;
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px;}
.brand{
 display:flex;
 align-items:center;
 gap:11px;
 padding:4px 8px 18px;
 border-bottom:1px solid rgba(255,255,255,.08);
 margin-bottom:8px;
}
.brand-mark{
 width:42px;height:42px;
 flex:0 0 42px;
 border-radius:11px;
 background:linear-gradient(135deg,var(--gold),var(--gold-deep));
 display:grid;place-items:center;
 font-weight:800;font-size:19px;color:#231a04;
 box-shadow:0 8px 18px rgba(255,150,0,.28);
}
.brand-text strong{
 display:block;
 color:#fff;
 font-size:17px;
 font-weight:800;
 letter-spacing:.6px;
 line-height:1.3;
}
.brand-text em{
 display:block;
 font-style:normal;
 font-size:10.5px;
 letter-spacing:2.4px;
 color:#7d85ad;
 margin-top:2px;
}
.nav-caption{
 font-size:11px;
 letter-spacing:2.4px;
 color:#767ea6;
 padding:16px 12px 8px;
 text-transform:uppercase;
}
.nav-link{
 display:flex;
 align-items:center;
 gap:10px;
 padding:11px 13px;
 border-radius:10px;
 color:#bcc3e0;
 font-size:14.5px;
 font-weight:500;
 position:relative;
 transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link .nav-dot{
 width:6px;height:6px;border-radius:50%;
 background:currentColor;opacity:.5;flex:0 0 6px;
}
.nav-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px);}
.nav-link.active{
 background:linear-gradient(90deg,rgba(255,180,0,.22),rgba(255,180,0,.03));
 color:var(--gold-light);
 font-weight:700;
 box-shadow:inset 3px 0 0 var(--gold);
}
.nav-link.active .nav-dot{opacity:1;background:var(--gold);}
.side-note{
 margin-top:auto;
 padding:16px 14px;
 border-radius:12px;
 background:rgba(255,255,255,.05);
 border:1px solid rgba(255,255,255,.08);
 font-size:12.5px;
 line-height:1.8;
 color:#9aa2c6;
}
.side-note b{display:block;color:#e8ebfa;font-size:13px;margin-bottom:6px;letter-spacing:.4px;}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
 display:none;
 position:sticky;
 top:0;
 z-index:1035;
 align-items:center;
 justify-content:space-between;
 gap:12px;
 padding:12px 18px;
 background:rgba(22,26,49,.97);
 backdrop-filter:blur(12px);
 border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-brand{color:#fff;font-size:16.5px;font-weight:800;letter-spacing:.6px;}
.mobile-brand span{color:var(--gold);}
.nav-toggle{
 width:38px;height:38px;
 border:1px solid rgba(255,255,255,.18);
 background:transparent;
 border-radius:9px;
 display:grid;
 place-content:center;
 gap:4px;
 padding:0;
}
.nav-toggle span{display:block;width:17px;height:2px;background:#e6e9f8;border-radius:2px;transition:.24s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-mask{
 position:fixed;inset:0;
 background:rgba(10,13,28,.55);
 backdrop-filter:blur(2px);
 opacity:0;visibility:hidden;
 transition:opacity .26s var(--ease),visibility .26s var(--ease);
 z-index:1038;
}
.nav-mask.show{opacity:1;visibility:visible;}

/* ============ 按钮 ============ */
.btn-gold{
 display:inline-flex;align-items:center;gap:8px;
 padding:13px 27px;border:0;border-radius:10px;
 background:linear-gradient(135deg,#ffc733,#ff9c00);
 color:#241a04;font-weight:800;font-size:15px;letter-spacing:.4px;
 box-shadow:0 10px 24px rgba(255,150,0,.32);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(255,150,0,.44);color:#241a04;}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,150,0,.34);}
.btn-ghost{
 display:inline-flex;align-items:center;gap:8px;
 padding:13px 25px;border-radius:10px;
 border:1px solid rgba(255,255,255,.34);
 color:#f0f2ff;font-weight:600;font-size:15px;
 background:rgba(255,255,255,.03);
 transition:background .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);transform:translateY(-2px);color:#fff;}
.btn-line{
 display:inline-flex;align-items:center;gap:8px;
 padding:11px 22px;border-radius:10px;
 border:1px solid var(--line-strong);
 background:#fff;color:var(--ink);font-weight:700;font-size:14.5px;
 transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.btn-line:hover{border-color:var(--gold);box-shadow:0 8px 20px rgba(26,31,61,.1);transform:translateY(-2px);}

/* ============ 分类页 Hero ============ */
.cat-hero{
 position:relative;
 overflow:hidden;
 background:#151935;
 color:#fff;
 padding:64px 0 0;
}
.cat-hero .hero-bg{
 position:absolute;inset:0;
 background:url('/assets/images/红中血流-纯正家乡麻将-jj麻将小游戏-是时候展现真正的牌技了-这样胡.webp') center/cover no-repeat;
 opacity:.28;
 transform:scale(1.04);
}
.cat-hero .hero-veil{
 position:absolute;inset:0;
 background:
 radial-gradient(circle at 84% 10%,rgba(255,180,0,.22),transparent 46%),
 linear-gradient(118deg,rgba(16,20,42,.97) 0%,rgba(26,31,61,.92) 52%,rgba(40,31,74,.86) 100%);
}
.cat-hero-inner{
 position:relative;
 z-index:2;
 display:grid;
 grid-template-columns:1.32fr .82fr;
 gap:48px;
 align-items:center;
 padding-bottom:46px;
}
.crumb{
 display:flex;align-items:center;gap:9px;
 font-size:12.5px;
 color:#9099c0;
 margin-bottom:18px;
 letter-spacing:.3px;
}
.crumb a{color:#b8c0e0;}
.crumb a:hover{color:var(--gold-light);}
.crumb i{font-style:normal;color:#59618a;}
.hero-eyebrow{
 display:inline-flex;
 align-items:center;
 gap:9px;
 padding:7px 15px;
 border-radius:999px;
 background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.36);
 color:var(--gold-light);
 font-size:12.5px;
 letter-spacing:1.2px;
}
.cat-hero h1{
 color:#fff;
 font-size:clamp(27px,3.4vw,42px);
 line-height:1.28;
 margin-top:20px;
 letter-spacing:-.6px;
}
.cat-hero h1 em{font-style:normal;color:var(--gold-light);}
.hero-lead{
 max-width:660px;
 margin-top:18px;
 color:#c5cceb;
 font-size:15.4px;
 line-height:1.95;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-figure{
 position:relative;
 border-radius:var(--radius-lg);
 overflow:hidden;
 border:1px solid rgba(255,255,255,.16);
 box-shadow:0 24px 50px rgba(8,10,24,.5);
 background:#1c2140;
}
.hero-figure img{width:100%;height:250px;object-fit:cover;opacity:.94;}
.hero-figure figcaption{
 padding:15px 18px 17px;
 background:linear-gradient(180deg,rgba(18,22,46,.86),rgba(18,22,46,.98));
}
.hero-figure strong{display:block;font-size:14.5px;color:#fff;letter-spacing:.3px;}
.hero-figure span{display:block;font-size:12.4px;color:#98a1c6;margin-top:4px;line-height:1.7;}
.series-strip{
 position:relative;
 z-index:2;
 border-top:1px solid rgba(255,255,255,.12);
 background:rgba(12,15,32,.35);
}
.series-strip .wrap{
 display:flex;
 align-items:center;
 gap:10px;
 flex-wrap:wrap;
 padding-top:14px;
 padding-bottom:14px;
}
.series-strip b{
 font-size:12.5px;
 color:#8890b8;
 letter-spacing:1.4px;
 margin-right:6px;
}
.series-strip a{
 padding:7px 15px;
 border-radius:999px;
 font-size:13px;
 color:#c9d0ea;
 border:1px solid rgba(255,255,255,.16);
 background:rgba(255,255,255,.04);
 transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.series-strip a:hover{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.5);color:var(--gold-light);}

/* ============ 通用 section ============ */
.sec{padding:68px 0;background:var(--bg);}
.sec-paper{background:#fff;}
.sec-head{max-width:780px;margin-bottom:38px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
 display:inline-block;
 font-size:12px;
 letter-spacing:2px;
 color:var(--gold-deep);
 font-weight:800;
 text-transform:uppercase;
 margin-bottom:12px;
}
.sec-title{
 font-size:clamp(22px,2.4vw,30px);
 letter-spacing:-.4px;
}
.sec-desc{
 margin-top:14px;
 color:var(--muted);
 font-size:15px;
 line-height:1.95;
}

/* ============ 卡片 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.tile{
 background:var(--card);
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow);
 padding:28px 26px;
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.tile-badge{
 display:inline-flex;align-items:center;justify-content:center;
 min-width:38px;height:38px;padding:0 11px;
 border-radius:10px;
 background:linear-gradient(135deg,rgba(255,180,0,.2),rgba(255,138,0,.1));
 color:var(--gold-deep);
 font-weight:800;font-size:15px;
 margin-bottom:16px;
 letter-spacing:.5px;
}
.tile h3{font-size:17.5px;margin-bottom:10px;}
.tile p{color:var(--muted);font-size:14.4px;line-height:1.9;}
.tile ul{margin-top:14px;display:grid;gap:8px;}
.tile ul li{
 position:relative;
 padding-left:16px;
 font-size:13.9px;
 color:#586083;
 line-height:1.8;
}
.tile ul li::before{
 content:"";
 position:absolute;left:0;top:11px;
 width:6px;height:6px;border-radius:50%;
 background:var(--gold);
 opacity:.85;
}

/* ============ 番型网格 ============ */
.tile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.mini{
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:22px 22px 20px;
 box-shadow:var(--shadow);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5);}
.mini h4{font-size:15.5px;display:flex;align-items:center;gap:9px;margin-bottom:9px;}
.mini h4 span{
 display:inline-grid;place-items:center;
 width:24px;height:24px;border-radius:7px;
 background:var(--ink);color:var(--gold-light);
 font-size:11.5px;font-weight:800;flex:0 0 24px;
}
.mini p{font-size:13.8px;color:var(--muted);line-height:1.85;}

/* ============ 时间线 ============ */
.stage-list{display:grid;gap:0;position:relative;}
.stage-list::before{
 content:"";
 position:absolute;
 left:21px;top:14px;bottom:14px;
 width:2px;
 background:linear-gradient(180deg,rgba(255,180,0,.65),rgba(26,31,61,.12));
}
.stage-item{
 position:relative;
 display:grid;
 grid-template-columns:44px 1fr;
 gap:20px;
 padding:0 0 26px 0;
}
.stage-item:last-child{padding-bottom:0;}
.stage-dot{
 width:44px;height:44px;border-radius:50%;
 display:grid;place-items:center;
 background:#fff;
 border:2px solid rgba(255,180,0,.7);
 color:var(--gold-deep);
 font-weight:800;font-size:14px;
 box-shadow:0 6px 16px rgba(26,31,61,.08);
 position:relative;z-index:1;
}
.stage-body{
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:20px 24px;
 box-shadow:var(--shadow);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.stage-body:hover{transform:translateX(3px);box-shadow:var(--shadow-lg);}
.stage-body h4{font-size:16px;margin-bottom:8px;}
.stage-body p{font-size:14.2px;color:var(--muted);line-height:1.9;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tag{
 display:inline-block;
 padding:4px 11px;
 border-radius:999px;
 background:rgba(26,31,61,.05);
 border:1px solid var(--line);
 color:#5c6489;
 font-size:12.2px;
 letter-spacing:.2px;
}
.tag-gold{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.4);color:#a86b00;}

/* ============ 案例卡 ============ */
.case-card{
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 overflow:hidden;
 box-shadow:var(--shadow);
 display:flex;
 flex-direction:column;
 transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.case-card figure{margin:0;overflow:hidden;background:#eef1f8;}
.case-card img{width:100%;height:178px;object-fit:cover;transition:transform .5s var(--ease);}
.case-card:hover img{transform:scale(1.05);}
.case-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.case-body h4{font-size:16.5px;}
.case-body p{font-size:14px;color:var(--muted);line-height:1.88;flex:1 1 auto;}

/* ============ 误区对照 ============ */
.myth{
 display:grid;
 grid-template-columns:1fr 1fr;
 gap:0;
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 overflow:hidden;
 box-shadow:var(--shadow);
}
.myth-row{display:contents;}
.myth-wrong,.myth-right{
 padding:20px 24px;
 border-bottom:1px solid var(--line);
 font-size:14.3px;
 line-height:1.85;
}
.myth-wrong{background:#fdfbf6;color:#7a5a48;border-right:1px solid var(--line);}
.myth-right{background:#fff;color:#3d4463;}
.myth-wrong b,.myth-right b{display:block;font-size:12px;letter-spacing:1.6px;margin-bottom:6px;}
.myth-wrong b{color:#c07a34;}
.myth-right b{color:var(--gold-deep);}
.myth-head{
 padding:14px 24px;
 font-size:12.5px;letter-spacing:2px;
 background:var(--ink);color:#d7dcf3;
 border-bottom:1px solid var(--ink);
}
.myth-head-2{
 padding:14px 24px;font-size:12.5px;letter-spacing:2px;
 background:var(--ink-soft);color:var(--gold-light);
 border-bottom:1px solid var(--ink);
}
.myth-row:last-child .myth-wrong,
.myth-row:last-child .myth-right{border-bottom:0;}

/* ============ 数据条 ============ */
.metrics{
 display:grid;grid-template-columns:repeat(4,1fr);
 gap:1px;
 background:var(--line);
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 overflow:hidden;
 box-shadow:var(--shadow);
}
.metric{
 background:#fff;
 padding:28px 22px;
 text-align:center;
 transition:background .26s var(--ease);
}
.metric:hover{background:#fbfcff;}
.metric b{
 display:block;
 font-size:30px;
 font-weight:800;
 letter-spacing:-1px;
 background:linear-gradient(135deg,#ffb400,#ff8a00);
 -webkit-background-clip:text;
 background-clip:text;
 color:transparent;
 line-height:1.2;
}
.metric span{display:block;font-size:13.4px;color:var(--muted);margin-top:6px;letter-spacing:.4px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 box-shadow:var(--shadow);
 overflow:hidden;
 transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:0 10px 26px rgba(26,31,61,.1);}
.faq-item summary{
 list-style:none;
 cursor:pointer;
 padding:18px 54px 18px 24px;
 font-size:15.4px;
 font-weight:700;
 color:var(--ink);
 position:relative;
 transition:color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";
 position:absolute;right:22px;top:50%;
 transform:translateY(-50%);
 font-size:20px;font-weight:700;
 color:var(--gold-deep);
 line-height:1;
 transition:transform .26s var(--ease);
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--gold-deep);}
.faq-answer{
 padding:0 24px 20px;
 color:var(--muted);
 font-size:14.3px;
 line-height:1.95;
}

/* ============ 收口 CTA ============ */
.cta-band{
 position:relative;
 overflow:hidden;
 border-radius:var(--radius-lg);
 background:linear-gradient(120deg,#1a1f3d 0%,#242a52 58%,#3a2a63 100%);
 padding:44px 46px;
 display:grid;
 grid-template-columns:1.5fr .8fr;
 gap:32px;
 align-items:center;
 box-shadow:var(--shadow-lg);
}
.cta-band::after{
 content:"";
 position:absolute;right:-70px;top:-70px;
 width:250px;height:250px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.32),transparent 68%);
}
.cta-band h3{color:#fff;font-size:clamp(20px,2.2vw,26px);position:relative;z-index:1;}
.cta-band p{color:#bfc6e5;font-size:14.6px;line-height:1.95;margin-top:12px;position:relative;z-index:1;}
.cta-actions{position:relative;z-index:1;display:flex;justify-content:flex-end;}

/* ============ 页脚 ============ */
.site-footer{
 background:linear-gradient(180deg,#161a35,#10132a);
 color:#a8b0d0;
 padding:46px 0 26px;
 margin-top:0;
}
.footer-top{
 display:flex;
 justify-content:space-between;
 align-items:flex-start;
 gap:34px;
 flex-wrap:wrap;
 padding-bottom:26px;
 border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;gap:14px;align-items:flex-start;max-width:520px;}
.footer-brand strong{color:#fff;font-size:16.5px;letter-spacing:.6px;display:block;margin-bottom:6px;}
.footer-brand p{font-size:13.4px;line-height:1.9;color:#98a0c3;}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 26px;}
.footer-links a{font-size:13.8px;color:#b6bede;}
.footer-links a:hover{color:var(--gold-light);}
.footer-bottom{
 display:flex;justify-content:space-between;
 flex-wrap:wrap;gap:10px;
 padding-top:20px;
 font-size:12.8px;
 color:#828ab0;
}

/* ============ 响应式 ============ */
@media (max-width:1180px){
 .wrap{padding:0 26px;}
 .cat-hero-inner{gap:32px;}
}
@media (max-width:1023px){
 .side-nav{
  transform:translateX(-100%);
  transition:transform .3s var(--ease);
  width:272px;
  box-shadow:0 0 60px rgba(0,0,0,.4);
 }
 .side-nav.open{transform:translateX(0);}
 .app-main{margin-left:0;}
 .mobile-bar{display:flex;}
 .cat-hero{padding-top:40px;}
 .cat-hero-inner{grid-template-columns:1fr;padding-bottom:34px;}
 .hero-figure img{height:220px;}
 .cta-band{grid-template-columns:1fr;padding:34px 28px;}
 .cta-actions{justify-content:flex-start;}
 .grid-3,.tile-grid{grid-template-columns:repeat(2,1fr);}
 .metrics{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
 .wrap{padding:0 18px;}
 .sec{padding:48px 0;}
 .grid-3,.grid-2,.tile-grid{grid-template-columns:1fr;}
 .cat-hero h1{font-size:26px;}
 .hero-lead{font-size:14.6px;}
 .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%;justify-content:center;}
 .myth{grid-template-columns:1fr;}
 .myth-head,.myth-head-2{grid-column:1;}
 .myth-wrong{border-right:0;}
 .myth-wrong,.myth-right{padding:16px 18px;}
 .stage-item{grid-template-columns:36px 1fr;gap:14px;}
 .stage-dot{width:36px;height:36px;font-size:12.5px;}
 .stage-list::before{left:17px;}
 .footer-top{flex-direction:column;gap:22px;}
 .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:520px){
 .metrics{grid-template-columns:1fr;}
 .tile{padding:22px 20px;}
 .mini{padding:18px 18px 16px;}
 .cat-hero h1{font-size:23.5px;line-height:1.35;}
 .series-strip a{padding:6px 12px;font-size:12.4px;}
 .case-card img{height:160px;}
 .cta-band{padding:28px 20px;}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-deep:#12162e;
 --ink-soft:#252b52;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --gold-deep:#ff8a00;
 --bg:#f4f6fb;
 --card:#ffffff;
 --text:#1e2338;
 --muted:#6d7492;
 --line:#e4e8f3;
 --line-strong:#d3daec;
 --radius-sm:8px;
 --radius:12px;
 --radius-lg:18px;
 --shadow:0 6px 20px rgba(26,31,61,.07);
 --shadow-lg:0 16px 40px rgba(26,31,61,.14);
 --sidebar-w:248px;
 --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 font-size:15px;
 -webkit-font-smoothing:antialiased;
 -moz-osx-font-smoothing:grayscale;
}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
img{max-width:100%;display:block;border:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
a:focus-visible,button:focus-visible,.nav-link:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

/* ============ 布局骨架 ============ */
.app-main{
 margin-left:var(--sidebar-w);
 min-height:100vh;
 display:flex;
 flex-direction:column;
 background:var(--bg);
}
main{flex:1 1 auto;}
.wrap{
 width:100%;
 max-width:1160px;
 margin:0 auto;
 padding:0 30px;
}

/* ============ 左侧导航 ============ */
.side-nav{
 position:fixed;
 top:0;left:0;bottom:0;
 width:var(--sidebar-w);
 padding:26px 18px 22px;
 display:flex;
 flex-direction:column;
 gap:4px;
 background:linear-gradient(175deg,#1a1f3d 0%,#161a35 55%,#12162e 100%);
 color:#c7cde8;
 z-index:1040;
 overflow-y:auto;
 scrollbar-width:thin;
}
.side-nav::-webkit-scrollbar{width:6px;}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px;}
.brand{
 display:flex;
 align-items:center;
 gap:11px;
 padding:4px 8px 18px;
 border-bottom:1px solid rgba(255,255,255,.08);
 margin-bottom:8px;
}
.brand-mark{
 width:42px;height:42px;
 flex:0 0 42px;
 border-radius:11px;
 background:linear-gradient(135deg,var(--gold),var(--gold-deep));
 display:grid;place-items:center;
 font-weight:800;font-size:19px;color:#231a04;
 box-shadow:0 8px 18px rgba(255,150,0,.28);
}
.brand-text strong{
 display:block;
 color:#fff;
 font-size:17px;
 font-weight:800;
 letter-spacing:.6px;
 line-height:1.3;
}
.brand-text em{
 display:block;
 font-style:normal;
 font-size:10.5px;
 letter-spacing:2.4px;
 color:#7d85ad;
 margin-top:2px;
}
.nav-caption{
 font-size:11px;
 letter-spacing:2.4px;
 color:#767ea6;
 padding:16px 12px 8px;
 text-transform:uppercase;
}
.nav-link{
 display:flex;
 align-items:center;
 gap:10px;
 padding:11px 13px;
 border-radius:10px;
 color:#bcc3e0;
 font-size:14.5px;
 font-weight:500;
 position:relative;
 transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease);
}
.nav-link .nav-dot{
 width:6px;height:6px;border-radius:50%;
 background:currentColor;opacity:.5;flex:0 0 6px;
}
.nav-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px);}
.nav-link.active{
 background:linear-gradient(90deg,rgba(255,180,0,.22),rgba(255,180,0,.03));
 color:var(--gold-light);
 font-weight:700;
 box-shadow:inset 3px 0 0 var(--gold);
}
.nav-link.active .nav-dot{opacity:1;background:var(--gold);}
.side-note{
 margin-top:auto;
 padding:16px 14px;
 border-radius:12px;
 background:rgba(255,255,255,.045);
 border:1px solid rgba(255,255,255,.07);
 font-size:12.5px;
 line-height:1.85;
 color:#9aa2c9;
}
.side-note b{
 display:block;
 color:var(--gold-light);
 font-size:12.5px;
 letter-spacing:.6px;
 margin-bottom:6px;
}
/* 移动端顶栏 */
.mobile-bar{
 display:none;
 position:sticky;
 top:0;
 z-index:1035;
 align-items:center;
 justify-content:space-between;
 gap:12px;
 padding:12px 18px;
 background:rgba(22,26,49,.97);
 backdrop-filter:blur(12px);
 border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-brand{color:#fff;font-size:16.5px;font-weight:800;letter-spacing:.6px;}
.mobile-brand span{color:var(--gold);}
.nav-toggle{
 width:38px;height:38px;
 border:1px solid rgba(255,255,255,.18);
 background:transparent;
 border-radius:9px;
 display:grid;
 place-content:center;
 gap:4px;
 padding:0;
}
.nav-toggle span{display:block;width:17px;height:2px;background:#e6e9f8;border-radius:2px;transition:.24s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-mask{
 position:fixed;inset:0;
 background:rgba(10,13,28,.55);
 backdrop-filter:blur(2px);
 opacity:0;visibility:hidden;
 transition:opacity .26s var(--ease),visibility .26s var(--ease);
 z-index:1038;
}
.nav-mask.show{opacity:1;visibility:visible;}

/* ============ 通用组件 ============ */
.btn-gold{
 display:inline-flex;
 align-items:center;
 gap:8px;
 padding:13px 27px;
 border:0;
 border-radius:10px;
 background:linear-gradient(135deg,#ffc733,#ff9c00);
 color:#241a04;
 font-weight:800;
 font-size:15px;
 letter-spacing:.4px;
 box-shadow:0 10px 24px rgba(255,150,0,.32);
 transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 15px 30px rgba(255,150,0,.44);color:#241a04;}
.btn-gold:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,150,0,.34);}
.btn-ghost{
 display:inline-flex;
 align-items:center;
 gap:8px;
 padding:13px 25px;
 border-radius:10px;
 border:1px solid rgba(255,255,255,.34);
 color:#f0f2ff;
 font-weight:600;
 font-size:15px;
 background:rgba(255,255,255,.03);
 transition:background .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.55);color:#fff;transform:translateY(-2px);}
.btn-line{
 display:inline-flex;
 align-items:center;
 gap:8px;
 padding:11px 22px;
 border-radius:10px;
 border:1px solid var(--line-strong);
 background:#fff;
 color:var(--ink);
 font-weight:700;
 font-size:14.5px;
 transition:border-color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease);
}
.btn-line:hover{border-color:var(--gold);box-shadow:0 8px 20px rgba(26,31,61,.1);transform:translateY(-2px);color:var(--ink);}
.tag{
 display:inline-flex;
 align-items:center;
 gap:6px;
 padding:4px 11px;
 border-radius:999px;
 background:#eef2fb;
 border:1px solid var(--line);
 color:#485080;
 font-size:12px;
 font-weight:600;
 letter-spacing:.3px;
}
.tag-gold{
 background:rgba(255,180,0,.13);
 border-color:rgba(255,180,0,.4);
 color:#8a5c00;
}
.sec-head{max-width:780px;margin-bottom:38px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-eyebrow{
 display:inline-block;
 font-size:12px;
 letter-spacing:2.2px;
 font-weight:700;
 color:#98a0be;
 text-transform:uppercase;
 margin-bottom:12px;
}
.sec-title{
 font-size:clamp(22px,2.6vw,31px);
 font-weight:800;
 letter-spacing:-.4px;
 color:var(--ink);
 line-height:1.36;
}
.sec-sub{margin-top:14px;color:var(--muted);font-size:14.8px;line-height:1.9;}

/* ============ Hero ============ */
.hero{
 position:relative;
 overflow:hidden;
 background:#151935;
 color:#fff;
 padding:66px 0 0;
}
.hero-bg{
 position:absolute;inset:0;
 background:url('/assets/images/麻将胡了壁纸---抖音.webp') center/cover no-repeat;
 opacity:.28;
 transform:scale(1.04);
}
.hero-veil{
 position:absolute;inset:0;
 background:
 radial-gradient(circle at 84% 10%,rgba(255,180,0,.24),transparent 46%),
 linear-gradient(118deg,rgba(16,20,42,.97) 0%,rgba(26,31,61,.92) 52%,rgba(42,32,76,.86) 100%);
}
.hero .wrap{position:relative;z-index:2;}
.crumb{
 display:flex;
 flex-wrap:wrap;
 align-items:center;
 gap:8px;
 font-size:12.5px;
 color:#8d95bb;
 letter-spacing:.4px;
}
.crumb a:hover{color:var(--gold-light);}
.crumb span{color:#5f6790;}
.hero-inner{
 display:grid;
 grid-template-columns:1.45fr .9fr;
 gap:48px;
 align-items:start;
 margin-top:24px;
}
.hero-eyebrow{
 display:inline-flex;
 align-items:center;
 gap:9px;
 padding:7px 15px;
 border-radius:999px;
 background:rgba(255,180,0,.14);
 border:1px solid rgba(255,180,0,.36);
 color:var(--gold-light);
 font-size:12.5px;
 letter-spacing:1.2px;
}
.hero h1{
 font-size:clamp(28px,3.8vw,44px);
 line-height:1.26;
 font-weight:800;
 letter-spacing:-.6px;
 margin-top:20px;
}
.hero h1 em{font-style:normal;color:var(--gold-light);}
.hero-lead{
 margin-top:18px;
 color:#c5cceb;
 font-size:15.6px;
 line-height:1.95;
 max-width:660px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px;}
.hero-chips{
 display:flex;flex-wrap:wrap;
 align-items:center;
 gap:10px;
 margin-top:34px;
 padding:0 0 42px;
}
.hero-chips .chip-label{font-size:12.5px;color:#8f97bd;letter-spacing:.6px;margin-right:4px;}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:7px 14px;
 border-radius:999px;
 font-size:13px;
 color:#d3d9f2;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.14);
 transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.chip:hover{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.45);color:#fff;}
.version-panel{
 background:rgba(255,255,255,.055);
 border:1px solid rgba(255,255,255,.12);
 border-radius:var(--radius-lg);
 padding:24px 24px 20px;
 backdrop-filter:blur(8px);
 box-shadow:0 20px 44px rgba(7,10,26,.38);
}
.version-panel h2{
 font-size:13px;
 letter-spacing:2px;
 color:#98a0c6;
 font-weight:700;
 text-transform:uppercase;
 margin-bottom:16px;
}
.version-no{
 display:flex;align-items:baseline;gap:10px;
}
.version-no strong{
 font-size:38px;
 font-weight:800;
 letter-spacing:-1px;
 color:var(--gold-light);
 line-height:1;
}
.version-no small{font-size:12.5px;color:#9aa2c9;letter-spacing:.6px;}
.version-list{margin-top:18px;border-top:1px solid rgba(255,255,255,.1);}
.version-list li{
 display:flex;
 align-items:center;
 justify-content:space-between;
 gap:12px;
 padding:10px 0;
 font-size:13.5px;
 border-bottom:1px solid rgba(255,255,255,.07);
}
.version-list li:last-child{border-bottom:0;}
.version-list dt,.version-list .k{color:#9aa2c9;}
.version-list .v{color:#eef1ff;font-weight:600;text-align:right;}

/* ============ 数据条 ============ */
.stats-strip{
 position:relative;
 z-index:3;
 margin-top:-26px;
}
.stats-grid{
 display:grid;
 grid-template-columns:repeat(4,1fr);
 gap:1px;
 background:var(--line);
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 overflow:hidden;
 box-shadow:var(--shadow-lg);
}
.stat-cell{
 background:#fff;
 padding:24px 22px;
 transition:background .24s var(--ease);
}
.stat-cell:hover{background:#fbfcff;}
.stat-cell b{
 display:block;
 font-size:27px;
 font-weight:800;
 color:var(--ink);
 letter-spacing:-.5px;
 line-height:1.2;
}
.stat-cell b i{font-style:normal;color:var(--gold-deep);font-size:16px;margin-left:3px;}
.stat-cell span{display:block;margin-top:6px;font-size:13px;color:var(--muted);letter-spacing:.2px;}

/* ============ 板块 ============ */
.section{padding:70px 0;position:relative;}
.sec-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-tint{background:var(--bg);}
.sec-ink{background:linear-gradient(140deg,#161a35,#1f2447 62%,#2a2350);color:#dfe4f8;}

/* 平台卡 */
.platform-grid{
 display:grid;
 grid-template-columns:repeat(2,1fr);
 gap:22px;
}
.p-card{
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:26px 24px;
 box-shadow:var(--shadow);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
 display:flex;
 flex-direction:column;
}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.p-head{display:flex;align-items:center;gap:13px;margin-bottom:14px;}
.p-icon{
 width:44px;height:44px;flex:0 0 44px;
 border-radius:12px;
 display:grid;place-items:center;
 background:linear-gradient(140deg,#eef2ff,#dfe6fb);
 color:#2d366b;
 font-weight:800;font-size:15px;
 border:1px solid #dbe2f6;
}
.p-head h3{font-size:17.5px;font-weight:800;color:var(--ink);letter-spacing:-.2px;line-height:1.4;}
.p-head p{font-size:12.5px;color:var(--muted);margin-top:2px;}
.p-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.p-list{display:flex;flex-direction:column;gap:9px;margin-bottom:18px;}
.p-list li{
 position:relative;
 padding-left:20px;
 font-size:14px;
 color:#49506e;
 line-height:1.75;
}
.p-list li::before{
 content:"";
 position:absolute;
 left:2px;top:9px;
 width:7px;height:7px;
 border-radius:2px;
 background:linear-gradient(135deg,var(--gold),var(--gold-deep));
}
.p-foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line-strong);font-size:12.8px;color:var(--muted);}
.p-foot b{color:var(--ink);font-weight:700;}

/* 对比表 */
.cmp-wrap{
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow);
 overflow:hidden;
}
.cmp-scroll{overflow-x:auto;}
table.cmp{
 width:100%;
 min-width:720px;
 border-collapse:collapse;
 font-size:14px;
}
table.cmp thead th{
 background:linear-gradient(180deg,#1a1f3d,#232a4f);
 color:#f2f4ff;
 font-weight:700;
 font-size:13.8px;
 letter-spacing:.4px;
 padding:16px 18px;
 text-align:left;
 border-bottom:1px solid rgba(255,255,255,.12);
}
table.cmp thead th:first-child{color:#9ba3cb;font-weight:600;}
table.cmp tbody th{
 text-align:left;
 font-weight:600;
 color:var(--ink);
 background:#fafbff;
 padding:15px 18px;
 border-bottom:1px solid var(--line);
 white-space:nowrap;
}
table.cmp tbody td{
 padding:15px 18px;
 color:#4d5474;
 border-bottom:1px solid var(--line);
 line-height:1.7;
}
table.cmp tbody tr:last-child th,table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp tbody tr:hover td,table.cmp tbody tr:hover th{background:#fdfdff;}
.cmp-note{
 display:flex;
 align-items:flex-start;
 gap:10px;
 padding:16px 20px;
 background:#fbfcff;
border-top:1px solid var(--line);
 font-size:13px;
 color:var(--muted);
 line-height:1.8;
}
.cmp-note b{color:var(--gold-deep);}

/* 时间线 */
.timeline{
 position:relative;
 margin-top:8px;
 padding-left:30px;
}
.timeline::before{
 content:"";
 position:absolute;
 left:8px;top:8px;bottom:8px;
 width:2px;
 background:linear-gradient(180deg,var(--gold),rgba(255,180,0,.1));
 border-radius:2px;
}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
 content:"";
 position:absolute;
 left:-29px;top:8px;
 width:12px;height:12px;
 border-radius:50%;
 background:#fff;
 border:3px solid var(--gold);
 box-shadow:0 0 0 4px rgba(255,180,0,.12);
}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:6px;}
.tl-head strong{font-size:16.5px;color:var(--ink);font-weight:800;letter-spacing:-.2px;}
.tl-date{font-size:12.5px;color:var(--muted);letter-spacing:.4px;}
.tl-body{font-size:14.2px;color:#4d5474;line-height:1.9;}
.tl-body b{color:var(--ink);font-weight:700;}

/* 检查清单图文 */
.check-grid{
 display:grid;
 grid-template-columns:1fr 1fr;
 gap:44px;
 align-items:center;
}
.check-list{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.check-item{
 display:flex;
 gap:14px;
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:16px 18px;
 box-shadow:0 4px 14px rgba(26,31,61,.05);
 transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.check-item:hover{transform:translateX(3px);border-color:var(--line-strong);}
.check-item .num{
 flex:0 0 30px;
 width:30px;height:30px;
 border-radius:9px;
 display:grid;place-items:center;
 background:rgba(255,180,0,.16);
 color:#8a5c00;
 font-weight:800;
 font-size:13.5px;
}
.check-item h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:3px;}
.check-item p{font-size:13.6px;color:var(--muted);line-height:1.78;}
.figure-card{
 border-radius:var(--radius-lg);
 overflow:hidden;
 box-shadow:var(--shadow-lg);
 border:1px solid var(--line);
 background:#fff;
}
.figure-card img{width:100%;height:340px;object-fit:cover;}
.figure-card figcaption{
 padding:14px 18px;
 font-size:12.8px;
 color:var(--muted);
 background:#fff;
 border-top:1px solid var(--line);
}

/* FAQ */
.faq-shell{max-width:900px;}
.accordion-item{
 border:1px solid var(--line)!important;
 border-radius:var(--radius)!important;
 background:#fff;
 margin-bottom:12px;
 overflow:hidden;
 box-shadow:0 3px 12px rgba(26,31,61,.05);
}
.accordion-button{
 font-size:15.2px;
 font-weight:700;
 color:var(--ink);
 background:#fff;
 padding:18px 22px;
 box-shadow:none!important;
}
.accordion-button:not(.collapsed){
 background:linear-gradient(90deg,rgba(255,180,0,.12),rgba(255,180,0,.02));
 color:var(--ink);
}
.accordion-button::after{
 width:16px;height:16px;background-size:16px;
}
.accordion-button:focus{border-color:transparent;box-shadow:0 0 0 3px rgba(255,180,0,.28)!important;}
.accordion-body{
 font-size:14.2px;
 color:#4d5474;
 line-height:1.92;
 padding:4px 22px 20px;
 border-top:1px solid var(--line);
 padding-top:16px;
}

/* 分类矩阵 */
.cat-grid{
 display:grid;
 grid-template-columns:repeat(3,1fr);
 gap:20px;
}
.cat-card{
 display:flex;
 flex-direction:column;
 background:#fff;
 border:1px solid var(--line);
 border-radius:var(--radius);
 padding:24px 22px;
 box-shadow:var(--shadow);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55);}
.cat-card .cat-index{
 font-size:12px;
 letter-spacing:2px;
 color:var(--gold-deep);
 font-weight:800;
 margin-bottom:12px;
}
.cat-card h3{font-size:17px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.cat-card p{font-size:13.8px;color:var(--muted);line-height:1.85;flex:1 1 auto;}
.cat-card .cat-link{
 margin-top:16px;
 font-size:13.4px;
 font-weight:700;
 color:var(--ink);
 display:inline-flex;
 align-items:center;
 gap:6px;
}
.cat-card:hover .cat-link{color:var(--gold-deep);}
.cat-card.current{border-color:var(--gold);box-shadow:0 12px 30px rgba(255,150,0,.16);}
.cat-card.current .cat-link{color:var(--gold-deep);}

/* CTA */
.cta-band{
 background:linear-gradient(120deg,#1a1f3d 0%,#232a52 58%,#3a2a58 100%);
 border-radius:var(--radius-lg);
 padding:44px 46px;
 display:flex;
 flex-wrap:wrap;
 align-items:center;
 justify-content:space-between;
 gap:26px;
 box-shadow:var(--shadow-lg);
 position:relative;
 overflow:hidden;
}
.cta-band::after{
 content:"";
 position:absolute;
 right:-70px;top:-70px;
 width:260px;height:260px;
 border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28),transparent 66%);
}
.cta-band h2{
 font-size:clamp(20px,2.4vw,27px);
 font-weight:800;
 color:#fff;
 letter-spacing:-.3px;
 line-height:1.4;
 position:relative;z-index:2;
}
.cta-band p{
 margin-top:10px;
 font-size:14.2px;
 color:#bcc4e6;
 max-width:560px;
 line-height:1.9;
 position:relative;z-index:2;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
 background:#12162e;
 color:#9aa2c9;
 padding:48px 0 26px;
 margin-top:0;
 border-top:3px solid var(--gold);
}
.footer-top{
 display:flex;
 justify-content:space-between;
 align-items:flex-start;
 gap:36px;
 padding-bottom:26px;
 border-bottom:1px solid rgba(255,255,255,.09);
}
.footer-brand{display:flex;gap:14px;max-width:520px;}
.footer-brand strong{
 display:block;
 color:#fff;
 font-size:16.5px;
 font-weight:800;
 letter-spacing:.6px;
 margin-bottom:8px;
}
.footer-brand p{font-size:13px;line-height:1.85;color:#8d95bb;}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 22px;}
.footer-links a{
 font-size:13.5px;
 color:#a8b0d2;
 padding:3px 0;
 border-bottom:1px solid transparent;
 transition:color .22s var(--ease),border-color .22s var(--ease);
}
.footer-links a:hover{color:var(--gold-light);border-bottom-color:rgba(255,180,0,.5);}
.footer-bottom{
 display:flex;
 flex-wrap:wrap;
 justify-content:space-between;
 gap:10px;
 padding-top:20px;
 font-size:12.5px;
 color:#7c84aa;
 letter-spacing:.2px;
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
 :root{--sidebar-w:228px;}
 .hero-inner{grid-template-columns:1.35fr .95fr;gap:34px;}
 .check-grid{gap:30px;}
}
@media (max-width:1024px){
 .wrap{padding:0 24px;}
 .section{padding:58px 0;}
 .hero{padding-top:52px;}
 .hero-inner{grid-template-columns:1fr;gap:30px;}
 .version-panel{max-width:460px;}
 .stats-grid{grid-template-columns:repeat(2,1fr);}
 .platform-grid{grid-template-columns:1fr;}
 .cat-grid{grid-template-columns:1fr 1fr;}
 .check-grid{grid-template-columns:1fr;gap:26px;}
 .figure-card img{height:290px;}
 .cta-band{padding:34px 30px;}
}
@media (max-width:900px){
 .side-nav{
  transform:translateX(-100%);
  transition:transform .3s var(--ease);
  width:272px;
  box-shadow:0 0 50px rgba(0,0,0,.4);
 }
 .side-nav.open{transform:translateX(0);}
 .app-main{margin-left:0;}
 .mobile-bar{display:flex;}
}
@media (max-width:768px){
 .wrap{padding:0 18px;}
 .section{padding:48px 0;}
 .hero h1{font-size:27px;}
 .hero-lead{font-size:14.8px;}
 .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%;justify-content:center;}
 .stats-grid{grid-template-columns:1fr 1fr;}
 .stat-cell{padding:18px 16px;}
 .stat-cell b{font-size:23px;}
 .cat-grid{grid-template-columns:1fr;}
 .sec-head{margin-bottom:28px;}
 .timeline{padding-left:24px;}
 .tl-item::before{left:-23px;}
 .footer-top{flex-direction:column;gap:22px;}
 .footer-bottom{flex-direction:column;gap:6px;}
 .accordion-button{font-size:14.4px;padding:15px 17px;}
 .accordion-body{padding:14px 17px 18px;font-size:13.8px;}
 .figure-card img{height:230px;}
}
@media (max-width:520px){
 .hero{padding-top:40px;}
 .hero-chips{padding-bottom:32px;gap:8px;}
 .chip{font-size:12px;padding:6px 12px;}
 .stats-grid{grid-template-columns:1fr;}
 .version-panel{padding:20px 18px;}
 .version-no strong{font-size:32px;}
 .p-card{padding:22px 18px;}
 .cta-band{padding:28px 20px;}
 .cta-actions{width:100%;}
 .cta-actions .btn-gold,.cta-actions .btn-line{width:100%;justify-content:center;}
 .btn-line{background:#fff;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}