/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-soft:#252b52;
  --gold:#ffb400;
  --gold-deep:#d99900;
  --bg:#f5f7fc;
  --card:#ffffff;
  --text:#161b38;
  --muted:#65708f;
  --line:#e4e8f4;
  --radius:12px;
  --radius-lg:18px;
  --shadow:0 2px 8px rgba(26,31,61,.05), 0 12px 30px rgba(26,31,61,.06);
  --shadow-hover:0 8px 20px rgba(26,31,61,.09), 0 22px 46px rgba(26,31,61,.09);
  --sidebar-w:250px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:.2px}
p{margin:0}
button{font:inherit;border:0;background:none;cursor:pointer}
::selection{background:rgba(255,180,0,.35)}

.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}

/* ============ 侧边导航 App Shell ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:linear-gradient(176deg,#1a1f3d 0%,#141834 100%);
  color:#c8cfe8;padding:26px 18px 22px;display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;z-index:70;border-right:1px solid rgba(255,180,0,.12);
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  background:linear-gradient(135deg,#ffc233,#ff9c00);color:#1a1f3d;
  display:grid;place-items:center;font-size:19px;font-weight:900;
  box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.brand-text strong{display:block;font-size:16px;color:#fff;font-weight:800;letter-spacing:.6px}
.brand-text small{display:block;font-size:10.5px;color:#8e97bd;letter-spacing:2px;margin-top:2px}
.side-group{display:flex;flex-direction:column;gap:8px}
.side-label{font-size:11px;letter-spacing:2.4px;color:#6c7599;padding:0 12px;font-weight:700}
.side-nav{display:flex;flex-direction:column;gap:5px}
.side-link{
  display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;
  font-size:14px;font-weight:600;color:#b9c1de;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px)}
.side-link:focus-visible{outline:2px solid rgba(255,180,0,.7);outline-offset:2px}
.side-link .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.5;flex:0 0 6px}
.side-link.active{
  background:linear-gradient(100deg,rgba(255,180,0,.2),rgba(255,180,0,.03));
  color:#ffd166;box-shadow:inset 0 0 0 1px rgba(255,180,0,.28);
}
.side-link.active .dot{opacity:1;background:#ffb400;box-shadow:0 0 0 4px rgba(255,180,0,.16)}
.side-foot{
  margin-top:auto;padding:14px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  font-size:12px;color:#93a0c6;line-height:1.75;
}
.side-foot strong{color:#ffd166;display:block;margin-bottom:4px;font-size:13px}

.scrim{
  position:fixed;inset:0;background:rgba(12,16,34,.55);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:65;
}
.scrim.show{opacity:1;visibility:visible}

/* ============ 顶部条（移动端） ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:55;height:60px;padding:0 14px;
  align-items:center;justify-content:space-between;gap:12px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.menu-btn{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:#f1f4fb;color:var(--ink);transition:background .2s ease;
}
.menu-btn:hover{background:#e6ebf7}
.menu-btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.topbar-brand{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--ink);font-size:15px}
.topbar-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:14px}
.topbar-cta{
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:700;
  background:linear-gradient(135deg,#ffc233,#ffa000);color:#2a1f00;
  box-shadow:0 6px 14px rgba(255,180,0,.3);
}

/* ============ 主区 ============ */
.app-shell{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1;overflow:hidden}

/* ============ 通用按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.5);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,#ffc233,#ffa000);color:#2a1f00;box-shadow:0 8px 20px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.42)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 2px 6px rgba(26,31,61,.05)}
.btn-ghost:hover{border-color:#c6d0ea;transform:translateY(-2px);box-shadow:0 8px 18px rgba(26,31,61,.09)}
.btn-sm{padding:10px 20px;font-size:13.5px}

.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.2px;
  color:#9d7000;background:rgba(255,180,0,.16);padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.pill{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  color:#1a1f3d;background:#fff;border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;box-shadow:0 2px 8px rgba(26,31,61,.05);
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* ============ 板块 ============ */
section{padding:68px 0}
.section-head{max-width:780px;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,2.5vw,30px);color:var(--ink)}
.section-head p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.85}
.alt-bg{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-more{margin-top:34px;display:flex;justify-content:center}

/* ============ Hero ============ */
.hero{
  position:relative;padding:0;background:#fff;border-bottom:1px solid var(--line);overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/斗牛棋牌.webp') right center/cover no-repeat;
  opacity:.1;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,#ffffff 34%,rgba(255,255,255,.86) 58%,rgba(245,247,252,.55) 100%);
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;
  gap:40px;align-items:center;padding-top:54px;padding-bottom:54px;
}
.hero h1{font-size:clamp(26px,3.1vw,40px);color:var(--ink);margin-top:16px;letter-spacing:.4px}
.hero-lead{margin-top:18px;color:#4c567a;font-size:15.5px;line-height:1.95;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:30px;padding-top:24px;border-top:1px dashed #dde3f1}
.hero-stats li strong{display:block;font-size:24px;font-weight:900;color:var(--ink);letter-spacing:.5px}
.hero-stats li strong em{font-style:normal;color:var(--gold-deep);font-size:15px;margin-left:2px}
.hero-stats li span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;letter-spacing:.5px}
.hero-art{position:relative}
.hero-art img{
  width:100%;height:320px;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:0 20px 44px rgba(26,31,61,.18);border:5px solid #fff;
}
.hero-art .art-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(26,31,61,.88);color:#fff;font-size:12.5px;font-weight:700;
  padding:8px 14px;border-radius:999px;backdrop-filter:blur(6px);letter-spacing:.5px;
}
.hero-art .art-tag b{color:#ffd166}

/* ============ 问题陈述 ============ */
.issue-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.issue-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.issue-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.issue-card .num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:rgba(255,180,0,.16);color:#9d7000;font-weight:900;font-size:14px;margin-bottom:14px;
}
.issue-card h3{font-size:16.5px;color:var(--ink);margin-bottom:8px}
.issue-card p{color:var(--muted);font-size:14px;line-height:1.8}

/* ============ 操作演示 ============ */
.demo-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:38px;align-items:center}
.demo-media img{
  width:100%;height:340px;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:var(--shadow-hover);border:5px solid #fff;
}
.steps{display:flex;flex-direction:column;gap:16px}
.step{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateX(4px);box-shadow:var(--shadow-hover);border-color:#d9e1f4}
.step-idx{
  flex:0 0 38px;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,#1a1f3d,#2c3463);color:#ffd166;
  display:grid;place-items:center;font-weight:900;font-size:15px;
}
.step h3{font-size:16px;color:var(--ink);margin-bottom:6px}
.step p{color:var(--muted);font-size:14px;line-height:1.8}

/* ============ 结果预览 数据条 ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;text-align:left;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.metric .val{font-size:30px;font-weight:900;color:var(--ink);letter-spacing:.5px;line-height:1.2}
.metric .val em{font-style:normal;font-size:15px;color:var(--gold-deep);margin-left:3px;font-weight:800}
.metric .lab{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.7}
.metric .bar{margin-top:14px;height:6px;border-radius:999px;background:#eef1f9;overflow:hidden}
.metric .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#ffc233,#ff9c00)}

/* ============ 卖点三连 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.feature{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#dbe2f3}
.feature .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(255,180,0,.22),rgba(255,180,0,.06));color:#a87800;
}
.feature h3{font-size:17px;color:var(--ink);margin-bottom:9px}
.feature p{color:var(--muted);font-size:14px;line-height:1.85}

/* ============ 场景矩阵 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.scene{
  display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.scene .thumb{
  flex:0 0 84px;width:84px;height:84px;border-radius:12px;object-fit:cover;
  box-shadow:0 6px 16px rgba(26,31,61,.12);
}
.scene h3{font-size:16px;color:var(--ink);margin-bottom:6px}
.scene p{color:var(--muted);font-size:13.8px;line-height:1.8}
.tagline{display:inline-block;font-size:11.5px;font-weight:700;color:#8a6400;background:#fff6de;border:1px solid #ffe4a3;border-radius:999px;padding:2px 10px;margin-bottom:8px}

/* ============ 卡住点 ============ */
.stuck-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.stuck{
  background:#fff;border:1px solid var(--line);border-left:4px solid #ffb400;
  border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.stuck:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.stuck h3{font-size:15.5px;color:var(--ink);margin-bottom:7px}
.stuck p{color:var(--muted);font-size:14px;line-height:1.8}

/* ============ 成功路径 时间线 ============ */
.path-line{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.path-line::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,rgba(255,180,0,.15),rgba(255,180,0,.65),rgba(255,180,0,.15));
}
.path-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.path-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.path-item .n{
  width:46px;height:46px;border-radius:50%;background:#fff;border:2px solid var(--gold);
  color:#a87800;display:grid;place-items:center;font-weight:900;font-size:15px;
  margin:-46px auto 16px;box-shadow:0 6px 16px rgba(255,180,0,.28);position:relative;z-index:2;
}
.path-item h3{font-size:15.5px;color:var(--ink);text-align:center;margin-bottom:8px}
.path-item p{color:var(--muted);font-size:13.6px;line-height:1.8;text-align:center}

/* ============ 社会认同 ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.voice{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.voice .stars{color:#ffb400;font-size:14px;letter-spacing:3px}
.voice p{color:#404a6e;font-size:14.2px;line-height:1.85}
.voice .who{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:14px;border-top:1px dashed #e6eaf5}
.voice .who i{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-style:normal;
  background:linear-gradient(135deg,#1a1f3d,#333c72);color:#ffd166;font-weight:800;font-size:13px;
}
.voice .who b{display:block;font-size:13.5px;color:var(--ink);font-weight:800}
.voice .who span{display:block;font-size:12px;color:var(--muted)}

/* ============ 前后对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{border-radius:var(--radius-lg);padding:26px;border:1px solid var(--line);box-shadow:var(--shadow)}
.compare-col.before{background:#fbfcff}
.compare-col.after{background:linear-gradient(170deg,#1a1f3d,#232a52);color:#d5dbf1;border-color:#2b3363}
.compare-col h3{font-size:16.5px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.compare-col.after h3{color:#ffd166}
.compare-col ul{display:flex;flex-direction:column;gap:12px}
.compare-col li{display:flex;gap:10px;font-size:14px;line-height:1.8;color:var(--muted)}
.compare-col.after li{color:#b8c1e0}
.compare-col li .mk{flex:0 0 18px;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:900;margin-top:3px}
.before .mk{background:#eef1f9;color:#8b93ad}
.after .mk{background:rgba(255,180,0,.2);color:#ffd166}

/* ============ 分类入口墙 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.cat-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow);position:relative;overflow:hidden;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.cat-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:110px;height:110px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.22),transparent 70%);
  transition:transform .3s ease;
}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#dbe2f3}
.cat-card:hover::after{transform:scale(1.35)}
.cat-card .idx{font-size:12px;font-weight:800;letter-spacing:2px;color:#a87800}
.cat-card h3{font-size:18px;color:var(--ink);margin:10px 0 9px}
.cat-card p{color:var(--muted);font-size:14px;line-height:1.85}
.cat-card .go{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:800;color:#a87800}
.cat-card:hover .go{color:#d99900}

/* ============ 资讯列表 ============ */
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:flex;align-items:flex-start;gap:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{transform:translateX(4px);box-shadow:var(--shadow-hover);border-color:#d9e1f4}
.news-body{flex:1;min-width:0}
.news-cat{
  display:inline-block;font-size:11.5px;font-weight:800;color:#8a6400;
  background:#fff6de;border:1px solid #ffe4a3;border-radius:999px;padding:2px 10px;margin-bottom:8px;
}
.news-item h3{font-size:16px;color:var(--ink);margin-bottom:7px;line-height:1.5}
.news-item p{color:var(--muted);font-size:13.6px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-time{flex:0 0 auto;font-size:12.5px;color:#9aa3bd;padding-top:4px;white-space:nowrap}
.empty-tip{color:var(--muted);font-size:14px;padding:24px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius);text-align:center}

/* ============ 异议拆解 ============ */
.qa-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.qa{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);transition:box-shadow .22s ease,border-color .22s ease}
.qa:hover{box-shadow:var(--shadow-hover);border-color:#dbe2f3}
.qa h3{font-size:16px;color:var(--ink);margin-bottom:9px;display:flex;gap:10px;align-items:flex-start}
.qa h3 .q{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;background:rgba(255,180,0,.18);
  color:#9d7000;display:grid;place-items:center;font-size:13px;font-weight:900;margin-top:1px;
}
.qa p{color:var(--muted);font-size:14.2px;line-height:1.85;padding-left:34px}

/* ============ 保障条 ============ */
.guarantee{
  background:linear-gradient(120deg,#1a1f3d 0%,#232a52 55%,#2b3463 100%);
  border-radius:var(--radius-lg);padding:34px;color:#d7ddf2;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  box-shadow:0 20px 44px rgba(26,31,61,.24);
}
.g-item{display:flex;gap:12px;align-items:flex-start}
.g-item .gi{
  flex:0 0 36px;width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,180,0,.16);color:#ffd166;
}
.g-item b{display:block;font-size:14.5px;color:#fff;margin-bottom:4px;font-weight:800}
.g-item span{display:block;font-size:12.8px;color:#a9b3d6;line-height:1.7}

/* ============ 收口 CTA ============ */
.final-cta{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:44px 38px;box-shadow:var(--shadow);text-align:center;
  background-image:radial-gradient(circle at 12% 18%,rgba(255,180,0,.14),transparent 42%),
                   radial-gradient(circle at 88% 82%,rgba(26,31,61,.08),transparent 46%);
}
.final-cta h2{font-size:clamp(22px,2.4vw,29px);color:var(--ink)}
.final-cta p{margin:14px auto 0;max-width:660px;color:var(--muted);font-size:15px;line-height:1.9}
.final-cta .acts{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px}

/* ============ 页脚 ============ */
.site-footer{background:#141834;color:#9aa4c6;padding:48px 0 34px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;letter-spacing:.5px}
.footer-top p{font-size:13.2px;line-height:1.9;color:#8d97b9}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;font-weight:800;letter-spacing:.5px}
.footer-col a{display:block;font-size:13.2px;color:#9aa4c6;padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#ffd166;transform:translateX(3px)}
.footer-bottom{padding-top:22px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:#7b85a8}
.footer-bottom .dom{color:#68729a}

/* ============ 浮动转化条 ============ */
.float-bar{
  position:fixed;left:var(--sidebar-w);right:0;bottom:0;z-index:50;
  background:rgba(255,255,255,.96);backdrop-filter:blur(14px);
  border-top:1px solid var(--line);box-shadow:0 -8px 26px rgba(26,31,61,.09);
  transform:translateY(120%);transition:transform .32s cubic-bezier(.4,0,.2,1);
}
.float-bar.show{transform:translateY(0)}
.float-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 24px}
.float-inner p{font-size:13.6px;color:#4c567a;line-height:1.65}
.float-inner p strong{color:var(--ink)}
.float-close{
  width:30px;height:30px;border-radius:8px;display:grid;place-items:center;
  background:#f1f4fb;color:#6b7594;font-size:15px;transition:background .2s ease;
}
.float-close:hover{background:#e6ebf7}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .hero-inner{grid-template-columns:1fr .82fr;gap:28px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guarantee{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .sidebar{transform:translateX(-100%);transition:transform .3s cubic-bezier(.4,0,.2,1)}
  .sidebar.open{transform:translateX(0)}
  .app-shell{margin-left:0}
  .topbar{display:flex}
  .float-bar{left:0}
  .hero-inner{grid-template-columns:1fr;padding-top:38px;padding-bottom:42px}
  .hero-art img{height:260px}
  .demo-wrap{grid-template-columns:1fr;gap:26px}
  .demo-media img{height:260px}
  .issue-grid,.feature-grid,.voice-grid,.cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .path-line{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px 18px}
  .path-line::before{display:none}
  .path-item .n{margin:-46px 0 16px}
  .path-item h3,.path-item p{text-align:left}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  body{font-size:14.5px}
  section{padding:46px 0}
  .container{padding:0 16px}
  .issue-grid,.feature-grid,.voice-grid,.cat-grid,.scene-grid,.stuck-list,.compare,.metric-grid,.guarantee{grid-template-columns:1fr}
  .hero h1{font-size:25px}
  .hero-lead{font-size:14.8px}
  .hero-stats{gap:22px}
  .hero-stats li strong{font-size:20px}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .final-cta{padding:34px 22px}
  .news-item{flex-direction:column;gap:8px}
  .news-time{padding-top:0}
  .float-inner{flex-direction:column;align-items:stretch;gap:10px;padding:12px 16px}
  .float-inner .btn{width:100%}
  .float-close{position:absolute;right:10px;top:10px}
  .float-bar{position:fixed}
  body{padding-bottom:96px}
}
@media (max-width:520px){
  .hero-stats{gap:16px 26px}
  .brand-text small{display:none}
  .topbar-cta{display:none}
  .qa p{padding-left:0}
  .qa h3{font-size:15px}
  .path-item .n{margin:0 0 12px}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-soft:#252b52;
 --gold:#ffb400;
 --gold-deep:#d99900;
 --bg:#f5f7fc;
 --card:#ffffff;
 --text:#161b38;
 --muted:#65708f;
 --line:#e4e8f4;
 --radius:12px;
 --radius-lg:18px;
 --shadow:0 2px 8px rgba(26,31,61,.05), 0 12px 30px rgba(26,31,61,.06);
 --shadow-hover:0 8px 20px rgba(26,31,61,.09), 0 22px 46px rgba(26,31,61,.09);
 --sidebar-w:250px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.75;
 font-size:15px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}

/* ================= 结构与侧边导航 ================= */
.layout{min-height:100vh;display:block}
.sidebar{
 position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:60;
 display:flex;flex-direction:column;gap:26px;
 padding:26px 18px 22px;
 background:linear-gradient(180deg,#1a1f3d 0%,#232a55 62%,#1a1f3d 100%);
 border-right:1px solid rgba(255,255,255,.06);
 overflow-y:auto;
 transition:transform .28s ease;
}
.side-brand{display:flex;align-items:center;gap:11px;padding:0 6px}
.brand-mark{
 width:42px;height:42px;flex:0 0 42px;border-radius:12px;
 background:linear-gradient(135deg,#ffc233,#ff9c00);color:#1a1f3d;
 display:grid;place-items:center;font-size:19px;font-weight:900;
 box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.brand-text strong{display:block;font-size:16px;color:#fff;font-weight:800;letter-spacing:.6px}
.brand-text small{display:block;font-size:10.5px;color:#8e97bd;letter-spacing:2px;margin-top:2px}
.side-nav{display:flex;flex-direction:column;gap:5px}
.side-link{
 display:flex;align-items:center;gap:10px;
 padding:11px 14px;border-radius:10px;
 color:#a9b2d6;font-size:14.5px;font-weight:600;
 transition:background .22s ease,color .22s ease,box-shadow .22s ease;
}
.side-link .dot{
 width:6px;height:6px;border-radius:50%;background:#4b5580;flex:0 0 6px;
 transition:background .22s ease,box-shadow .22s ease;
}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff}
.side-link:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.side-link.active{
 background:linear-gradient(135deg,rgba(255,180,0,.22),rgba(255,180,0,.07));
 color:#ffd166;box-shadow:inset 0 0 0 1px rgba(255,180,0,.32);
}
.side-link.active .dot{background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18)}
.side-foot{
 margin-top:auto;padding:16px;border-radius:14px;
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
}
.side-foot h4{margin:0 0 8px;font-size:13px;color:#ffd166;font-weight:800;letter-spacing:.5px}
.side-foot p{margin:0;font-size:12.5px;line-height:1.8;color:#9aa3c8}
.content{margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh}
main{flex:1;overflow:hidden}

/* ================= 移动端顶栏 ================= */
.topbar{
 display:none;position:sticky;top:0;z-index:70;height:60px;padding:0 14px;
 align-items:center;justify-content:space-between;gap:12px;
 background:rgba(255,255,255,.95);backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.menu-btn{
 width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
 background:#f1f4fb;color:var(--ink);transition:background .2s ease;
}
.menu-btn:hover{background:#e6ebf7}
.menu-btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.topbar-brand{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--ink);font-size:15px}
.topbar-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:14px}
.topbar-cta{
 padding:8px 16px;border-radius:999px;font-size:13px;font-weight:700;
 background:linear-gradient(135deg,#ffc233,#ffa000);color:#2a1f00;
 box-shadow:0 6px 14px rgba(255,180,0,.3);
}
.overlay{
 position:fixed;inset:0;background:rgba(15,19,42,.5);z-index:55;
 opacity:0;pointer-events:none;transition:opacity .28s ease;
}
.overlay.show{opacity:1;pointer-events:auto}

/* ================= 通用按钮 / 标签 ================= */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
 white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.5);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,#ffc233,#ffa000);color:#2a1f00;box-shadow:0 8px 20px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.42)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 2px 6px rgba(26,31,61,.05)}
.btn-ghost:hover{border-color:#c6d0ea;transform:translateY(-2px);box-shadow:0 8px 18px rgba(26,31,61,.09)}
.btn-ink{background:var(--ink);color:#fff;box-shadow:0 8px 20px rgba(26,31,61,.22)}
.btn-ink:hover{transform:translateY(-2px);background:#232a55}
.btn-sm{padding:10px 20px;font-size:13.5px}
.pill{
 display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
 color:#1a1f3d;background:#fff;border:1px solid var(--line);
 padding:6px 14px;border-radius:999px;box-shadow:0 2px 8px rgba(26,31,61,.05);
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12px;font-weight:700;letter-spacing:.5px;
 padding:5px 12px;border-radius:999px;
 background:rgba(255,180,0,.16);color:#9d7000;
}
section{padding:64px 0}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(21px,2.4vw,28px);color:var(--ink);margin:0;line-height:1.45}
.section-head p{margin:14px 0 0;color:var(--muted);font-size:15px;line-height:1.85}

/* ================= 文章头部 ================= */
.article-hero{
 position:relative;overflow:hidden;
 padding:38px 0 42px;
 background:
  radial-gradient(1100px 340px at 88% -20%,rgba(255,180,0,.16),transparent 62%),
  linear-gradient(180deg,#ffffff 0%,#f7f9fe 72%,#f5f7fc 100%);
 border-bottom:1px solid var(--line);
}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background:url('/assets/images/斗牛棋牌.webp') right bottom/560px no-repeat;
 opacity:.06;pointer-events:none;
}
.article-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--muted);transition:color .2s ease}
.crumb a:hover{color:var(--gold-deep)}
.crumb .sep{color:#c3cbe0}
.crumb-current{color:var(--ink);font-weight:700}
.hero-status{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.article-hero h1{
 font-size:clamp(23px,3vw,36px);
 line-height:1.42;
 color:var(--ink);
 margin:0;
 letter-spacing:.3px;
 max-width:900px;
}
.article-lead{
 margin:16px 0 0;
 max-width:840px;
 color:#4c567a;
 font-size:15.5px;
 line-height:1.95;
}
.icon-matrix{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
 gap:14px;margin-top:28px;
}
.matrix-item{
 display:flex;align-items:center;gap:12px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:14px 16px;box-shadow:0 2px 8px rgba(26,31,61,.04);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.matrix-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#d5deef}
.matrix-ico{
 width:38px;height:38px;flex:0 0 38px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,rgba(255,180,0,.22),rgba(255,180,0,.08));color:#a97a00;
}
.matrix-item strong{display:block;font-size:14px;color:var(--ink);font-weight:800;line-height:1.4}
.matrix-item span{display:block;font-size:12px;color:var(--muted);margin-top:2px}

/* ================= 正文布局 ================= */
.article-wrap{padding:48px 0 20px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.article-body{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:34px 38px 38px;box-shadow:var(--shadow);
 font-size:15.5px;line-height:1.95;color:#2c3252;overflow-wrap:break-word;
}
.article-body h2{
 font-size:21px;color:var(--ink);line-height:1.5;
 margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--gold);
}
.article-body h3{font-size:17px;color:var(--ink);margin:26px 0 10px;line-height:1.6}
.article-body h4{font-size:15.5px;color:var(--ink);margin:20px 0 8px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body img{border-radius:var(--radius);margin:20px 0;box-shadow:var(--shadow);height:auto}
.article-body strong{color:var(--ink)}
.article-body blockquote{
 margin:22px 0;padding:16px 20px;
 background:#fff8e6;border-left:4px solid var(--gold);
 border-radius:0 10px 10px 0;color:#6b5a2a;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left}
.article-body th{background:#f3f6fd;color:var(--ink);font-weight:800}
.article-body a{color:#a87600;border-bottom:1px dashed rgba(255,180,0,.62);transition:color .2s ease}
.article-body a:hover{color:var(--gold-deep)}
.article-body hr{border:0;border-top:1px dashed #dde3f1;margin:28px 0}
.empty-state{text-align:center;padding:34px 10px 20px}
.empty-state h2{font-size:20px;color:var(--ink);border:0;padding:0;margin:0 0 12px}
.empty-state p{color:var(--muted);margin:0 0 22px}

/* ================= 侧栏卡片 ================= */
.aside-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:22px 22px 24px;box-shadow:var(--shadow);margin-bottom:20px;
}
.aside-card h3{
 font-size:14px;color:var(--ink);margin:0 0 14px;
 font-weight:800;letter-spacing:.6px;display:flex;align-items:center;gap:8px;
}
.aside-card h3::before{content:"";width:4px;height:15px;border-radius:3px;background:var(--gold)}
.aside-list{display:flex;flex-direction:column;gap:12px}
.aside-list li{
 display:flex;gap:10px;font-size:13.5px;color:#4c567a;line-height:1.7;
}
.aside-list .idx{
 width:20px;height:20px;flex:0 0 20px;border-radius:6px;margin-top:2px;
 background:rgba(255,180,0,.16);color:#9d7000;
 display:grid;place-items:center;font-size:11.5px;font-weight:900;
}
.aside-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-bottom:14px}
.aside-media img{width:100%;height:150px;object-fit:cover}
.aside-card .btn{width:100%;margin-top:6px}
.aside-text{font-size:13.5px;color:var(--muted);line-height:1.8;margin:0 0 16px}

/* ================= 时间线板块 ================= */
.band-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.timeline{display:grid;gap:16px}
.tl-item{
 display:grid;grid-template-columns:72px minmax(0,1fr);gap:20px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:0 2px 8px rgba(26,31,61,.04);
 transition:transform .24s ease,box-shadow .24s ease;
}
.band-white .tl-item{background:#fbfcff}
.tl-item:hover{transform:translateX(4px);box-shadow:var(--shadow-hover)}
.tl-step{
 display:grid;place-items:center;align-self:start;
 width:100%;padding:8px 0;border-radius:10px;
 background:linear-gradient(135deg,rgba(255,180,0,.2),rgba(255,180,0,.07));
 color:#9d7000;font-size:12.5px;font-weight:900;letter-spacing:.5px;
}
.tl-item h3{margin:0 0 6px;font-size:16px;color:var(--ink)}
.tl-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.85}

/* ================= 图文要素 ================= */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:38px;align-items:center}
.split-media{position:relative}
.split-media img{
 width:100%;height:330px;object-fit:cover;
 border-radius:var(--radius-lg);border:5px solid #fff;box-shadow:0 20px 44px rgba(26,31,61,.16);
}
.split-media .media-tag{
 position:absolute;left:16px;bottom:16px;
 background:rgba(26,31,61,.88);color:#fff;font-size:12.5px;font-weight:700;
 padding:8px 14px;border-radius:999px;letter-spacing:.5px;
}
.split-media .media-tag b{color:#ffd166}
.feature-list{display:grid;gap:14px;margin-top:22px}
.feature-item{
 display:flex;gap:13px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:16px 18px;box-shadow:0 2px 8px rgba(26,31,61,.04);
 transition:transform .24s ease,box-shadow .24s ease;
}
.feature-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.feature-ico{
 width:34px;height:34px;flex:0 0 34px;border-radius:10px;display:grid;place-items:center;
 background:rgba(26,31,61,.06);color:var(--ink);
}
.feature-item h4{margin:0 0 4px;font-size:14.5px;color:var(--ink)}
.feature-item p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.8}

/* ================= 数据条 ================= */
.stat-band{
 background:linear-gradient(135deg,#1a1f3d 0%,#232a55 58%,#1a1f3d 100%);
 border-radius:var(--radius-lg);padding:34px 30px;color:#fff;
 box-shadow:0 22px 46px rgba(26,31,61,.24);
 position:relative;overflow:hidden;
}
.stat-band::after{
 content:"";position:absolute;right:-60px;top:-70px;width:250px;height:250px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
}
.stat-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.stat-cell strong{display:block;font-size:27px;font-weight:900;letter-spacing:.6px;color:#fff}
.stat-cell strong em{font-style:normal;color:var(--gold);font-size:16px;margin-left:3px}
.stat-cell span{display:block;font-size:12.5px;color:#9aa3c8;margin-top:4px;letter-spacing:.5px}
.stat-note{
 position:relative;z-index:2;margin:22px 0 0;padding-top:18px;
 border-top:1px dashed rgba(255,255,255,.16);
 font-size:13.5px;color:#b9c1e0;line-height:1.85;
}

/* ================= 延伸阅读 ================= */
.read-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.read-card{
 display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.read-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d5deef}
.read-card .tag{margin-bottom:12px}
.read-card h3{margin:0 0 8px;font-size:15.5px;color:var(--ink);line-height:1.6}
.read-card p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.8}
.read-card .go{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;font-weight:700;color:var(--gold-deep)}

/* ================= FAQ ================= */
.faq{display:grid;gap:12px;max-width:880px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:0 2px 8px rgba(26,31,61,.04);overflow:hidden;
 transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item[open]{border-color:#d7dff1;box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 22px;
 font-size:15px;font-weight:700;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}
.faq-item summary .plus{
 width:22px;height:22px;flex:0 0 22px;border-radius:7px;position:relative;
 background:rgba(255,180,0,.16);transition:transform .25s ease;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
 content:"";position:absolute;left:50%;top:50%;background:#9d7000;border-radius:2px;
 transform:translate(-50%,-50%);
}
.faq-item summary .plus::before{width:10px;height:2px}
.faq-item summary .plus::after{width:2px;height:10px;transition:opacity .22s ease}
.faq-item[open] summary .plus::after{opacity:0}
.faq-item .faq-body{padding:0 22px 18px;font-size:14px;color:var(--muted);line-height:1.9}

/* ================= 收口 CTA ================= */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);
 background:linear-gradient(120deg,#1a1f3d 0%,#2a3160 60%,#1a1f3d 100%);
 padding:44px 44px;color:#fff;box-shadow:0 24px 50px rgba(26,31,61,.24);
 display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;
}
.cta-band::before{
 content:"";position:absolute;right:-70px;bottom:-90px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.3),transparent 68%);
}
.cta-band h2{position:relative;z-index:2;margin:0 0 12px;font-size:clamp(20px,2.3vw,27px);color:#fff;line-height:1.5}
.cta-band p{position:relative;z-index:2;margin:0;color:#b9c1e0;font-size:14.5px;line-height:1.9}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ================= 页脚 ================= */
.site-footer{
 background:#151935;color:#9aa3c8;padding:52px 0 24px;margin-top:0;
 border-top:3px solid var(--gold);
}
.footer-top{
 display:grid;grid-template-columns:1.6fr .7fr .7fr;gap:38px;
 padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-brand strong{font-size:17px;color:#fff;letter-spacing:.6px}
.site-footer p{font-size:13.5px;line-height:1.9;color:#9aa3c8;margin:0;max-width:460px}
.footer-col h4{font-size:13.5px;color:#fff;margin:0 0 14px;letter-spacing:.6px}
.footer-col a{display:block;font-size:13.5px;color:#9aa3c8;padding:5px 0;transition:color .2s ease}
.footer-col a:hover{color:var(--gold)}
.footer-col a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.footer-bottom{
 display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
 padding-top:20px;font-size:12.5px;color:#7b85ad;
}
.footer-bottom .dom{letter-spacing:.6px;color:#6b7599}

/* ================= 响应式 ================= */
@media (max-width:1200px){
 .article-grid{grid-template-columns:minmax(0,1fr) 272px;gap:24px}
}
@media (max-width:1024px){
 .sidebar{transform:translateX(-100%);box-shadow:0 0 40px rgba(10,14,34,.4)}
 .sidebar.open{transform:translateX(0)}
 .content{margin-left:0}
 .topbar{display:flex}
 .article-grid{grid-template-columns:minmax(0,1fr)}
 .aside-card{margin-bottom:16px}
 .icon-matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
 .split{grid-template-columns:1fr;gap:26px}
 .split-media img{height:280px}
 .read-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .cta-band{grid-template-columns:1fr;padding:36px 30px}
 .cta-actions{justify-content:flex-start}
 .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
 section{padding:48px 0}
 .container{padding:0 18px}
 .article-hero{padding:28px 0 32px}
 .article-body{padding:24px 20px 28px;font-size:15px}
 .article-body h2{font-size:19px}
 .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
 .stat-band{padding:28px 22px}
 .read-grid{grid-template-columns:1fr}
 .tl-item{grid-template-columns:60px minmax(0,1fr);gap:14px;padding:16px 16px}
 .footer-top{grid-template-columns:1fr;gap:24px}
 .article-wrap{padding:32px 0 10px}
}
@media (max-width:520px){
 .icon-matrix{grid-template-columns:1fr}
 .hero-status .pill{font-size:11.5px;padding:5px 11px}
 .article-hero h1{font-size:22px}
 .article-lead{font-size:14.5px}
 .btn{width:100%;padding:12px 18px}
 .cta-actions{flex-direction:column;align-items:stretch}
 .stat-cell strong{font-size:23px}
 .split-media img{height:220px}
 .brand-text small{display:none}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category1 */
:root{
  --ink:#1a1f3d;
  --ink-soft:#252b52;
  --gold:#ffb400;
  --gold-deep:#d99900;
  --bg:#f5f7fc;
  --card:#ffffff;
  --text:#161b38;
  --muted:#65708f;
  --line:#e4e8f4;
  --radius:12px;
  --radius-lg:18px;
  --shadow:0 2px 8px rgba(26,31,61,.05), 0 12px 30px rgba(26,31,61,.06);
  --shadow-hover:0 8px 20px rgba(26,31,61,.09), 0 22px 46px rgba(26,31,61,.09);
  --sidebar-w:250px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:1080px;margin:0 auto;padding:0 26px}

/* ============ 应用外壳 ============ */
.app-shell{display:flex;min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:60;
  display:flex;flex-direction:column;gap:24px;
  padding:26px 18px 20px;
  background:radial-gradient(120% 80% at 0% 0%,#262d5a 0%,#1a1f3d 58%,#151934 100%);
  border-right:1px solid rgba(255,255,255,.07);
}
.side-brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  background:linear-gradient(135deg,#ffc233,#ff9c00);color:#1a1f3d;
  display:grid;place-items:center;font-size:19px;font-weight:900;
  box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.side-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;font-size:18px}
.side-brand strong{display:block;color:#fff;font-size:16px;font-weight:800;letter-spacing:.6px}
.side-brand small{display:block;color:#8e97bd;font-size:10.5px;letter-spacing:2px;margin-top:2px}
.side-nav{display:flex;flex-direction:column;gap:5px}
.side-link{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;
  color:#aab3d4;font-size:14.5px;font-weight:600;border:1px solid transparent;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.side-link .dot{width:6px;height:6px;border-radius:50%;background:#4a5480;transition:background .22s ease}
.side-link:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(2px)}
.side-link:hover .dot{background:var(--gold)}
.side-link.active{background:linear-gradient(135deg,#ffc233,#ffa000);color:#20264a;box-shadow:0 10px 22px rgba(255,180,0,.28)}
.side-link.active .dot{background:#20264a}
.side-link:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.side-note{
  margin-top:auto;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.09);
  border-radius:14px;padding:16px;
}
.side-note .sn-label{font-size:11px;letter-spacing:2px;color:#ffb400;font-weight:800}
.side-note h4{color:#fff;font-size:14px;margin:8px 0 6px}
.side-note p{color:#98a2c7;font-size:12.5px;line-height:1.7;margin:0 0 12px}
.side-note .sn-link{
  display:inline-flex;align-items:center;justify-content:center;width:100%;
  padding:9px 12px;border-radius:999px;font-size:13px;font-weight:700;
  background:linear-gradient(135deg,#ffc233,#ffa000);color:#2a1f00;
  box-shadow:0 6px 16px rgba(255,180,0,.26);transition:transform .2s ease;
}
.side-note .sn-link:hover{transform:translateY(-1px)}

.main-wrap{margin-left:var(--sidebar-w);flex:1;min-width:0;display:flex;flex-direction:column;min-height:100vh}
main{flex:1}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:55;height:60px;padding:0 14px;
  align-items:center;justify-content:space-between;gap:12px;
  background:rgba(255,255,255,.95);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.menu-btn{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:#f1f4fb;color:var(--ink);transition:background .2s ease;
}
.menu-btn:hover{background:#e6ebf7}
.menu-btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.topbar-brand{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--ink);font-size:15px}
.topbar-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:14px}
.topbar-cta{
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:700;
  background:linear-gradient(135deg,#ffc233,#ffa000);color:#2a1f00;
  box-shadow:0 6px 14px rgba(255,180,0,.3);
}
.nav-overlay{
  display:none;position:fixed;inset:0;z-index:59;
  background:rgba(16,20,42,.5);backdrop-filter:blur(2px);
}
.nav-overlay.show{display:block}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.5);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,#ffc233,#ffa000);color:#2a1f00;box-shadow:0 8px 20px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.42)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 2px 6px rgba(26,31,61,.05)}
.btn-ghost:hover{border-color:#c6d0ea;transform:translateY(-2px);box-shadow:0 8px 18px rgba(26,31,61,.09)}
.btn-sm{padding:10px 20px;font-size:13.5px}
.btn-block{width:100%}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.2px;
  color:#9d7000;background:rgba(255,180,0,.16);padding:5px 13px;border-radius:999px;
}
.pill{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  color:#1a1f3d;background:#fff;border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;box-shadow:0 2px 8px rgba(26,31,61,.05);
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* ============ Hero ============ */
.hero-sec{
  position:relative;padding:36px 0 60px;background:#fff;
  border-bottom:1px solid var(--line);overflow:hidden;
}
.hero-sec::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/麻将东西南北中各一张怎么胡---抖音.webp') right center/cover no-repeat;
  opacity:.09;
}
.hero-sec::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,#ffffff 38%,rgba(255,255,255,.9) 62%,rgba(245,247,252,.55) 100%);
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;
  gap:44px;align-items:center;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:16px}
.crumbs a{color:#4c567a;font-weight:600}
.crumbs a:hover{color:var(--gold-deep)}
.crumbs span{color:#b7bfd6}
.hero-sec h1{
  font-size:clamp(26px,3vw,38px);line-height:1.32;color:var(--ink);
  letter-spacing:.3px;margin-top:14px;
}
.hero-lead{margin-top:18px;color:#4c567a;font-size:15.5px;line-height:1.95;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:30px;padding-top:22px;border-top:1px dashed #dde3f1}
.hero-stats li strong{display:block;font-size:23px;font-weight:900;color:var(--ink);letter-spacing:.5px}
.hero-stats li strong em{font-style:normal;color:var(--gold-deep);font-size:14px;margin-left:2px}
.hero-stats li span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;letter-spacing:.4px}

/* 直播预告卡 */
.live-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-hover);overflow:hidden;
}
.live-cover{position:relative;height:176px;overflow:hidden}
.live-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.live-card:hover .live-cover img{transform:scale(1.04)}
.live-badge{
  position:absolute;top:14px;left:14px;display:inline-flex;align-items:center;gap:7px;
  background:rgba(26,31,61,.86);color:#fff;font-size:12px;font-weight:700;
  padding:6px 13px;border-radius:999px;backdrop-filter:blur(6px);letter-spacing:.5px;
}
.live-dot{
  width:7px;height:7px;border-radius:50%;background:#ff5a5a;
  box-shadow:0 0 0 0 rgba(255,90,90,.6);animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,90,90,.55)}
  70%{box-shadow:0 0 0 9px rgba(255,90,90,0)}
  100%{box-shadow:0 0 0 0 rgba(255,90,90,0)}
}
.live-body{padding:20px 22px 22px}
.live-body h2{font-size:17px;color:var(--ink);line-height:1.5}
.live-body .live-desc{font-size:13.5px;color:var(--muted);margin-top:8px;line-height:1.8}
.countdown{display:flex;gap:10px;margin:16px 0 6px}
.cd-cell{
  flex:1;background:#f5f7fc;border:1px solid var(--line);border-radius:10px;
  padding:9px 0 7px;text-align:center;
}
.cd-cell b{
  display:block;font-size:21px;font-weight:900;color:var(--ink);
  letter-spacing:1px;font-variant-numeric:tabular-nums;line-height:1.3;
}
.cd-cell span{font-size:11px;color:var(--muted);letter-spacing:1px}
.live-tip{font-size:12px;color:var(--muted);margin:10px 0 14px;text-align:center}

/* ============ 板块 ============ */
section.sec{padding:66px 0}
.sec-alt{background:#fff}
.sec-dark{background:linear-gradient(140deg,#1a1f3d 0%,#232a55 62%,#1b2144 100%);color:#e7ebf8}
.sec-accent{background:linear-gradient(180deg,#eef2fb 0%,#f5f7fc 100%)}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head h2{font-size:clamp(21px,2.4vw,29px);color:var(--ink);line-height:1.4;letter-spacing:.2px}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.9}
.sec-dark .sec-head h2{color:#fff}
.sec-dark .sec-head p{color:#a8b2d6}

.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:24px;height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d8e0f2}
.card h3{font-size:17px;color:var(--ink);margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px;line-height:1.85}
.num-badge{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,180,0,.16);color:#9d7000;font-weight:900;font-size:14px;margin-bottom:14px;
}
.card-kicker{font-size:12px;font-weight:800;letter-spacing:1.6px;color:var(--gold-deep);margin-bottom:8px}

/* 图文分栏 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-hover)}
.split-media img{width:100%;height:340px;object-fit:cover}
.split-media .media-tag{
  position:absolute;left:16px;bottom:16px;background:rgba(26,31,61,.86);color:#fff;
  font-size:12.5px;font-weight:700;padding:8px 14px;border-radius:999px;backdrop-filter:blur(6px);
}
.rule-list{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.rule-list li{
  display:flex;gap:13px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:15px 18px;box-shadow:0 2px 8px rgba(26,31,61,.04);
  transition:transform .22s ease,box-shadow .22s ease;
}
.rule-list li:hover{transform:translateX(3px);box-shadow:0 10px 22px rgba(26,31,61,.08)}
.rule-list .rk{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:rgba(255,180,0,.18);color:#9d7000;font-size:12px;font-weight:900;margin-top:2px;
}
.rule-list strong{display:block;font-size:14.5px;color:var(--ink);margin-bottom:3px}
.rule-list p{font-size:13.8px;color:var(--muted);line-height:1.8;margin:0}

/* 深色流程 */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.flow-step{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius);padding:22px;transition:background .25s ease,transform .25s ease;
}
.flow-step:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.flow-step .step-idx{font-size:11.5px;font-weight:900;letter-spacing:2px;color:#ffb400}
.flow-step h3{font-size:16px;color:#fff;margin:9px 0 8px}
.flow-step p{font-size:13.8px;color:#a8b2d6;line-height:1.85;margin:0}

/* 复盘卡 */
.media-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);height:100%;
  transition:transform .25s ease,box-shadow .25s ease;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.media-card img{width:100%;height:172px;object-fit:cover}
.media-card .mc-body{padding:20px 22px 22px}
.media-card .mc-tag{
  display:inline-block;font-size:11.5px;font-weight:800;color:#9d7000;
  background:rgba(255,180,0,.16);padding:3px 11px;border-radius:999px;margin-bottom:10px;
}
.media-card h3{font-size:16px;color:var(--ink);margin-bottom:8px}
.media-card p{font-size:14px;color:var(--muted);line-height:1.85;margin:0}

/* 反馈 */
.quote-card{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--gold);
  border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);height:100%;
  transition:transform .25s ease,box-shadow .25s ease;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.quote-card p{font-size:14.5px;color:#39446a;line-height:1.9}
.quote-meta{display:flex;align-items:center;gap:10px;margin-top:16px}
.quote-avatar{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#252b52,#1a1f3d);color:#ffd166;font-size:13px;font-weight:800;
}
.quote-meta strong{display:block;font-size:13.5px;color:var(--ink)}
.quote-meta span{display:block;font-size:12px;color:var(--muted)}

/* 对比 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);
}
.compare-panel.good{border-color:rgba(255,180,0,.55);box-shadow:0 10px 28px rgba(255,180,0,.14)}
.compare-panel h3{font-size:16px;color:var(--ink);display:flex;align-items:center;gap:9px;margin-bottom:14px}
.compare-panel h3 .badge{
  font-size:11.5px;font-weight:800;padding:3px 10px;border-radius:999px;
}
.badge-bad{background:#fdecea;color:#b9543f}
.badge-good{background:rgba(255,180,0,.18);color:#9d7000}
.compare-list li{
  display:flex;gap:10px;align-items:flex-start;padding:10px 0;
  border-bottom:1px dashed var(--line);font-size:14.3px;color:#43506f;line-height:1.8;
}
.compare-list li:last-child{border-bottom:0;padding-bottom:0}
.mark{flex:0 0 18px;font-weight:900}
.mark-x{color:#c26a55}
.mark-o{color:#c98b00}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;height:100%;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d8e0f2}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.news-tag{background:rgba(255,180,0,.16);color:#9d7000;font-weight:800;padding:3px 10px;border-radius:999px}
.news-card h3{font-size:15.8px;line-height:1.6;margin:0}
.news-card h3 a{color:var(--ink);transition:color .2s ease}
.news-card h3 a:hover{color:var(--gold-deep)}
.news-card p{font-size:13.8px;color:var(--muted);line-height:1.85;margin:0}
.news-empty{
  background:#fff;border:1px dashed #cfd8ee;border-radius:var(--radius);
  padding:30px;text-align:center;color:var(--muted);font-size:14px;
}

/* FAQ */
.faq-list{display:flex;flex-direction:column;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:box-shadow .22s ease,border-color .22s ease;
}
.faq-item[open]{border-color:#d3dcf0;box-shadow:var(--shadow-hover)}
.faq-item summary{
  padding:18px 22px;font-weight:700;color:var(--ink);font-size:15px;cursor:pointer;
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;line-height:1;color:var(--gold-deep);font-weight:800;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.3px;line-height:1.9}

/* 收口 CTA */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:linear-gradient(120deg,#1a1f3d 0%,#2a3160 100%);
  border-radius:var(--radius-lg);padding:38px 36px;color:#fff;
  box-shadow:0 22px 46px rgba(26,31,61,.24);
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);color:#fff;line-height:1.4}
.cta-band p{margin-top:10px;color:#aab4d8;font-size:14.5px;max-width:560px;line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.24);box-shadow:none}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.18)}

/* 保障条 */
.assure{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px;
}
.assure-item{
  display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;box-shadow:0 2px 8px rgba(26,31,61,.04);
}
.assure-item .tick{
  flex:0 0 24px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,180,0,.2);color:#9d7000;font-weight:900;font-size:12px;margin-top:2px;
}
.assure-item strong{display:block;font-size:14.2px;color:var(--ink)}
.assure-item span{display:block;font-size:13px;color:var(--muted);line-height:1.75;margin-top:3px}

/* 底部固定转化条 */
.sticky-cta{
  position:fixed;left:var(--sidebar-w);right:0;bottom:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:11px 26px;background:rgba(255,255,255,.96);
  backdrop-filter:blur(14px);border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(26,31,61,.08);
}
.sticky-cta .sc-text{display:flex;align-items:center;gap:10px;min-width:0}
.sticky-cta .sc-dot{width:8px;height:8px;border-radius:50%;background:#ff5a5a;flex:0 0 8px;animation:pulse 1.8s infinite}
.sticky-cta strong{font-size:14px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sticky-cta small{font-size:12.5px;color:var(--muted);white-space:nowrap}

/* ============ 页脚 ============ */
.site-footer{background:#151934;color:#9aa4c9;padding:52px 0 74px;margin-top:auto}
.footer-top{
  display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:36px;
  padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:9px;font-size:15px}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;letter-spacing:.5px}
.site-footer p{font-size:13.5px;line-height:1.95;color:#8d97bd;margin:0;max-width:460px}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.5px}
.footer-col a{display:block;font-size:13.5px;color:#9aa4c9;padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--gold);transform:translateX(2px)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  padding-top:20px;font-size:12.5px;color:#7d87ac;
}
.footer-bottom .dom{color:#6d77a0;letter-spacing:.5px}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .sidebar{transform:translateX(-100%);transition:transform .3s ease;box-shadow:22px 0 48px rgba(16,20,42,.28)}
  .sidebar.open{transform:translateX(0)}
  .main-wrap{margin-left:0}
  .topbar{display:flex}
  .sticky-cta{left:0;padding:11px 16px}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:30px}
  .split-media img{height:300px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer p{max-width:none}
}
@media (max-width:768px){
  .container{padding:0 18px}
  section.sec{padding:50px 0}
  .hero-sec{padding:26px 0 46px}
  .grid-3,.news-grid,.grid-2,.compare,.assure{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .cta-band{padding:28px 22px}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .sticky-cta strong{font-size:13px}
  .sticky-cta small{display:none}
  .hero-stats{gap:24px}
}
@media (max-width:520px){
  .hero-sec h1{font-size:23px}
  .hero-lead{font-size:14.5px}
  .hero-actions .btn{width:100%}
  .btn{padding:12px 20px;font-size:14px}
  .countdown{gap:7px}
  .cd-cell b{font-size:18px}
  .live-cover{height:150px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .split-media img{height:220px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}

/* roulang page: category2 */
:root{
  --ink:#1a1f3d;
  --ink-soft:#252b52;
  --gold:#ffb400;
  --gold-deep:#d99900;
  --cyan:#2fd2d2;
  --bg:#f5f7fc;
  --card:#ffffff;
  --text:#161b38;
  --muted:#65708f;
  --line:#e4e8f4;
  --radius:12px;
  --radius-lg:18px;
  --shadow:0 2px 8px rgba(26,31,61,.05), 0 12px 30px rgba(26,31,61,.06);
  --shadow-hover:0 8px 20px rgba(26,31,61,.09), 0 22px 46px rgba(26,31,61,.09);
  --sidebar-w:250px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.35;font-weight:800;color:var(--ink)}
:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:3px}

/* ===== 布局骨架 ===== */
.main-area{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}
main{flex:1;overflow:hidden;padding-bottom:10px}
.container{width:100%;max-width:1120px!important;margin:0 auto;padding:0 24px}

/* ===== 侧栏导航 ===== */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:70;
  display:flex;flex-direction:column;gap:26px;padding:26px 18px 22px;
  background:linear-gradient(180deg,#1a1f3d 0%,#141834 100%);
  color:#fff;overflow-y:auto;
  box-shadow:inset -1px 0 0 rgba(255,255,255,.06);
}
.sidebar::before{
  content:"";position:absolute;top:-90px;right:-70px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);pointer-events:none;
}
.sidebar::after{
  content:"";position:absolute;bottom:-80px;left:-60px;width:190px;height:190px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,210,210,.18),transparent 68%);pointer-events:none;
}
.brand,.footer-brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  background:linear-gradient(135deg,#ffc233,#ff9c00);color:#1a1f3d;
  display:grid;place-items:center;font-size:19px;font-weight:900;
  box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.brand-text strong{display:block;font-size:16px;color:#fff;font-weight:800;letter-spacing:.6px}
.brand-text small{display:block;font-size:10.5px;color:#8e97bd;letter-spacing:2px;margin-top:2px}
.side-nav{display:flex;flex-direction:column;gap:5px;position:relative;z-index:1}
.side-link{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;
  color:#a9b2d6;font-size:14.5px;font-weight:600;
  transition:background .22s ease,color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.side-link .dot{width:7px;height:7px;border-radius:50%;background:#3a4470;transition:background .22s ease,box-shadow .22s ease}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px)}
.side-link.active{
  background:linear-gradient(135deg,rgba(255,180,0,.22),rgba(255,180,0,.05));
  color:#ffd166;box-shadow:inset 0 0 0 1px rgba(255,180,0,.28);
}
.side-link.active .dot{background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.85)}
.side-foot{
  margin-top:auto;font-size:11.5px;color:#7b85ad;line-height:1.85;
  border-top:1px solid rgba(255,255,255,.08);padding-top:16px;position:relative;z-index:1;
}
.side-foot strong{display:block;color:#cfd6ef;font-size:12px;margin-bottom:4px;letter-spacing:.5px}

/* ===== 顶部条（移动端） ===== */
.topbar{
  display:none;position:sticky;top:0;z-index:55;height:60px;padding:0 14px;
  align-items:center;justify-content:space-between;gap:12px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.menu-btn{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:#f1f4fb;color:var(--ink);transition:background .2s ease;
}
.menu-btn:hover{background:#e6ebf7}
.topbar-brand{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--ink);font-size:15px}
.topbar-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:14px}
.topbar-cta{
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:700;
  background:linear-gradient(135deg,#ffc233,#ffa000);color:#2a1f00;
  box-shadow:0 6px 14px rgba(255,180,0,.3);
}
.nav-mask{display:none}

/* ===== 按钮 / 标签 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-gold{background:linear-gradient(135deg,#ffc233,#ffa000);color:#2a1f00;box-shadow:0 8px 20px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.42)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 2px 6px rgba(26,31,61,.05)}
.btn-ghost:hover{border-color:#c6d0ea;transform:translateY(-2px);box-shadow:0 8px 18px rgba(26,31,61,.09)}
.btn-sm{padding:10px 20px;font-size:13.5px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.2px;
  color:#9d7000;background:rgba(255,180,0,.16);padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.pill{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  color:#1a1f3d;background:#fff;border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;box-shadow:0 2px 8px rgba(26,31,61,.05);
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* ===== 板块 ===== */
section{padding:68px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.4vw,30px)}
.section-head p{margin-top:13px;color:var(--muted);font-size:15px;line-height:1.9}

/* ===== Hero ===== */
.hero{position:relative;padding:0;background:#fff;border-bottom:1px solid var(--line);overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/斗牛棋牌.webp') right center/cover no-repeat;
  opacity:.09;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg,#ffffff 34%,rgba(255,255,255,.86) 58%,rgba(245,247,252,.5) 100%);
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;
  gap:40px;align-items:center;padding-top:56px;padding-bottom:56px;
}
.hero h1{font-size:clamp(26px,3vw,38px);margin-top:14px;letter-spacing:.4px}
.hero-lead{margin-top:18px;color:#4c567a;font-size:15.5px;line-height:1.95;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:30px;padding-top:22px;border-top:1px dashed #dde3f1}
.hero-stats li strong{display:block;font-size:24px;font-weight:900;color:var(--ink);letter-spacing:.5px}
.hero-stats li strong em{font-style:normal;color:var(--gold-deep);font-size:15px;margin-left:2px}
.hero-stats li span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;letter-spacing:.5px}
.hero-art{position:relative}
.hero-art img{
  width:100%;height:330px;object-fit:cover;border-radius:var(--radius-lg);
  box-shadow:0 20px 44px rgba(26,31,61,.18);border:5px solid #fff;
}
.hero-art .art-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(26,31,61,.88);color:#fff;font-size:12.5px;font-weight:700;
  padding:8px 14px;border-radius:999px;backdrop-filter:blur(6px);letter-spacing:.5px;
}
.hero-art .art-tag b{color:#ffd166}

/* ===== 数据条 ===== */
.stats-band{background:linear-gradient(135deg,#1a1f3d,#252b52);color:#fff;padding:34px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.stat-item{border-left:2px solid rgba(255,180,0,.55);padding-left:16px}
.stat-item strong{display:block;font-size:26px;font-weight:900;color:#ffd166;letter-spacing:.5px}
.stat-item span{display:block;font-size:12.5px;color:#a7b0d2;margin-top:4px;letter-spacing:.6px}

/* ===== 倍率档位卡 ===== */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.tier-card{
  position:relative;padding:28px 24px 24px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tier-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--gold),var(--cyan));
}
.tier-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#d5ddf0}
.tier-card h3{font-size:17px;margin-bottom:6px}
.tier-card .tier-range{display:block;font-size:27px;font-weight:900;color:var(--gold-deep);letter-spacing:1px;margin:8px 0 4px}
.tier-card .tier-sub{font-size:12.5px;color:var(--muted);letter-spacing:.5px}
.tier-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.tier-list li{position:relative;padding-left:18px;font-size:14px;color:#4c567a;line-height:1.8}
.tier-list li::before{
  content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;
  background:rgba(255,180,0,.85);
}

/* ===== 节奏时间线 ===== */
.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.step{
  background:#f8faff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-num{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--ink);color:#ffd166;font-weight:900;font-size:15px;margin-bottom:16px;
  box-shadow:0 8px 18px rgba(26,31,61,.22);
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.85}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.step-tags span{
  font-size:12px;font-weight:700;color:#7a5a00;background:rgba(255,180,0,.14);
  padding:4px 10px;border-radius:999px;
}

/* ===== 场景卡 ===== */
.scene-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 20px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.scene-card .scene-ico{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(47,210,210,.14);color:#0f7d7d;font-weight:900;font-size:13px;margin-bottom:14px;
}
.scene-card h3{font-size:16px;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.85}

/* ===== 复盘评价 ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.review-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.review-card .quote{font-size:14.5px;color:#39405f;line-height:1.9}
.review-card .who{display:flex;align-items:center;gap:10px;margin-top:auto}
.review-card .avatar{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#ffc233,#ff9c00);color:#2a1f00;font-weight:900;font-size:13px;
}
.review-card .who span{font-size:13px;color:var(--muted)}
.review-card .who strong{display:block;font-size:13.5px;color:var(--ink)}
.review-card .score{font-size:12.5px;font-weight:800;color:var(--gold-deep);letter-spacing:.5px}

/* ===== 对比差异 ===== */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{
  border-radius:var(--radius-lg);padding:26px 24px;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow);
}
.compare-col.bad{background:#fbfcfe}
.compare-col h3{font-size:16.5px;display:flex;align-items:center;gap:9px;margin-bottom:16px}
.compare-col h3 i{
  width:22px;height:22px;border-radius:7px;display:grid;place-items:center;font-style:normal;
  font-size:13px;font-weight:900;
}
.compare-col.bad h3 i{background:rgba(120,132,170,.16);color:#5c6689}
.compare-col.good h3 i{background:rgba(255,180,0,.2);color:#9d7000}
.compare-col ul{display:flex;flex-direction:column;gap:12px}
.compare-col li{font-size:14px;color:#4c567a;line-height:1.85;padding-left:16px;position:relative}
.compare-col li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:#b9c2da}
.compare-col.good li::before{background:var(--gold)}

/* ===== 资讯列表 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  display:flex;flex-direction:column;gap:12px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px 22px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#d5ddf0}
.news-tag{
  align-self:flex-start;font-size:12px;font-weight:700;color:#0f7d7d;
  background:rgba(47,210,210,.14);padding:4px 11px;border-radius:999px;
}
.news-card h3{font-size:16px;line-height:1.55}
.news-card p{font-size:14px;color:var(--muted);line-height:1.85}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  font-size:12.5px;color:#8b93ad;
}
.news-arrow{font-size:18px;color:var(--gold-deep);line-height:1}
.news-empty{
  grid-column:1/-1;text-align:center;color:var(--muted);font-size:14px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:38px 20px;
}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 20px;box-shadow:0 1px 4px rgba(26,31,61,.04);transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{border-color:#d5ddf0;box-shadow:0 6px 16px rgba(26,31,61,.07)}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-weight:700;color:var(--ink);font-size:15px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:800;color:var(--gold-deep);line-height:1;
  transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item p{
  margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);
  font-size:14.5px;color:var(--muted);line-height:1.9;
}

/* ===== 收口 CTA ===== */
.cta-band{
  background:
    radial-gradient(circle at 82% 18%,rgba(255,180,0,.22),transparent 55%),
    linear-gradient(135deg,#1a1f3d,#252b52);
  color:#fff;padding:58px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,28px);max-width:640px}
.cta-band p{color:#b6bfe0;font-size:14.5px;margin-top:12px;max-width:640px;line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 固定底部转化条 ===== */
.fixed-cta{
  position:fixed;left:var(--sidebar-w);right:0;bottom:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:11px 24px;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(26,31,61,.07);
}
.fixed-cta p{font-size:13.5px;color:var(--muted)}
.fixed-cta strong{color:var(--ink)}

/* ===== 页脚 ===== */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:52px 0 0}
.footer-top{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:36px;padding-bottom:34px}
.footer-brand{margin-bottom:14px}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:16px;border-radius:10px}
.footer-brand strong{font-size:16px;color:var(--ink);font-weight:800;letter-spacing:.5px}
.footer-top p{color:var(--muted);font-size:14px;line-height:1.9;max-width:520px}
.footer-col h4{font-size:14px;color:var(--ink);margin-bottom:12px;letter-spacing:.5px}
.footer-col a{display:block;color:var(--muted);font-size:14px;padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--gold-deep);transform:translateX(2px)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:18px 0 74px;font-size:12.5px;color:#8b93ad;
}
.footer-bottom .dom{color:#a6adc4;letter-spacing:.4px}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .sidebar{transform:translateX(-100%);transition:transform .3s ease;box-shadow:12px 0 40px rgba(16,20,40,.28)}
  body.nav-open .sidebar{transform:translateX(0)}
  .nav-mask{
    display:none;position:fixed;inset:0;background:rgba(16,20,40,.5);z-index:65;
  }
  body.nav-open .nav-mask{display:block}
  .main-area{margin-left:0}
  .topbar{display:flex}
  .fixed-cta{left:0;padding:10px 18px}
  .hero-inner{grid-template-columns:1fr;gap:30px;padding-top:42px;padding-bottom:42px}
  .hero-art img{height:270px}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .tier-grid,.timeline,.review-grid,.news-grid,.compare-grid{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .footer-bottom{padding-bottom:86px}
}
@media (max-width:768px){
  section{padding:48px 0}
  .tier-grid,.timeline,.review-grid,.news-grid,.compare-grid,.footer-top{grid-template-columns:1fr}
  .hero h1{font-size:26px}
  .hero-stats{gap:22px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .fixed-cta p{display:none}
  .fixed-cta .btn{width:100%}
  .fixed-cta{padding:10px 14px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-lead{font-size:14.5px}
  .btn{padding:11px 20px;font-size:14px}
  .stat-item strong{font-size:22px}
  .tier-card .tier-range{font-size:24px}
  .review-card .quote{font-size:14px}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#252b52;
 --gold:#ffb400;
 --gold-deep:#d99900;
 --bg:#f5f7fc;
 --card:#ffffff;
 --text:#161b38;
 --muted:#65708f;
 --line:#e4e8f4;
 --radius:12px;
 --radius-lg:18px;
 --shadow:0 2px 8px rgba(26,31,61,.05), 0 12px 30px rgba(26,31,61,.06);
 --shadow-hover:0 8px 20px rgba(26,31,61,.09), 0 22px 46px rgba(26,31,61,.09);
 --sidebar-w:250px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.75;
 font-size:15px;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--ink);font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1080px;margin:0 auto;padding:0 26px}

/* ============ 侧边栏 ============ */
.sidebar{
 position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:80;
 background:linear-gradient(180deg,#1a1f3d 0%,#232a55 58%,#1a1f3d 100%);
 padding:26px 18px 22px;display:flex;flex-direction:column;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:11px;padding:0 6px}
.brand-mark{
 width:42px;height:42px;flex:0 0 42px;border-radius:12px;
 background:linear-gradient(135deg,#ffc233,#ff9c00);color:#1a1f3d;
 display:grid;place-items:center;font-size:19px;font-weight:900;
 box-shadow:0 8px 18px rgba(255,180,0,.3);
}
.brand-text strong{display:block;font-size:16px;color:#fff;font-weight:800;letter-spacing:.6px}
.brand-text small{display:block;font-size:10.5px;color:#8e97bd;letter-spacing:1.6px;margin-top:3px}
.side-label{
 font-size:11px;letter-spacing:2.2px;color:#7f89b4;font-weight:700;
 margin:28px 0 10px;padding-left:10px;
}
.side-nav{display:flex;flex-direction:column;gap:5px}
.side-link{
 display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;
 color:#c3caea;font-size:14px;font-weight:600;
 transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-link .dot{width:6px;height:6px;border-radius:50%;background:#5d679a;transition:all .2s ease;flex:0 0 6px}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px)}
.side-link:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.side-link.active{background:linear-gradient(90deg,rgba(255,180,0,.22),rgba(255,180,0,.03));color:#ffd166}
.side-link.active .dot{background:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.22)}
.side-foot{margin-top:auto;padding:16px 12px 4px;border-top:1px solid rgba(255,255,255,.09);margin-top:32px}
.side-foot p{font-size:12px;color:#9aa4c9;line-height:1.7}
.side-foot b{color:#ffd166;font-weight:800}
.side-foot .dim{color:#6f79a4;font-size:11.5px;letter-spacing:.4px}

/* ============ 布局 ============ */
.layout{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1;overflow:hidden}

/* ============ 顶部条 ============ */
.topbar{
 display:none;position:sticky;top:0;z-index:85;height:60px;padding:0 14px;
 align-items:center;justify-content:space-between;gap:12px;
 background:rgba(255,255,255,.95);backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.menu-btn{
 width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
 background:#f1f4fb;color:var(--ink);transition:background .2s ease;
}
.menu-btn:hover{background:#e6ebf7}
.menu-btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.menu-btn svg{width:20px;height:20px}
.topbar-brand{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--ink);font-size:15px}
.topbar-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:14px}
.topbar-cta{
 padding:8px 16px;border-radius:999px;font-size:13px;font-weight:700;
 background:linear-gradient(135deg,#ffc233,#ffa000);color:#2a1f00;
 box-shadow:0 6px 14px rgba(255,180,0,.3);white-space:nowrap;
}
.nav-mask{
 position:fixed;inset:0;background:rgba(15,19,40,.52);z-index:75;
 opacity:0;pointer-events:none;transition:opacity .26s ease;
}
.nav-mask.show{opacity:1;pointer-events:auto}

/* ============ 按钮 / 标签 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
 white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(255,180,0,.5);outline-offset:3px}
.btn-gold{background:linear-gradient(135deg,#ffc233,#ffa000);color:#2a1f00;box-shadow:0 8px 20px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,180,0,.42)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:0 2px 6px rgba(26,31,61,.05)}
.btn-ghost:hover{border-color:#c6d0ea;transform:translateY(-2px);box-shadow:0 8px 18px rgba(26,31,61,.09)}
.btn-sm{padding:10px 20px;font-size:13.5px}
.eyebrow{
 display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.2px;
 color:#9d7000;background:rgba(255,180,0,.16);padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.pill{
 display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
 color:#1a1f3d;background:#fff;border:1px solid var(--line);
 padding:6px 14px;border-radius:999px;box-shadow:0 2px 8px rgba(26,31,61,.05);
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* ============ Hero ============ */
.page-hero{
 position:relative;overflow:hidden;padding:0;
 background:linear-gradient(160deg,#ffffff 0%,#eef2fb 62%,#e7edf9 100%);
 border-bottom:1px solid var(--line);
}
.page-hero::before{
 content:"";position:absolute;right:-60px;top:-80px;width:420px;height:420px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.16),rgba(255,180,0,0) 68%);
}
.hero-inner{
 position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:44px;
 align-items:center;padding:38px 0 54px;
}
.crumb{font-size:12.5px;color:var(--muted);letter-spacing:.4px;margin-bottom:18px}
.crumb a{color:#4d587c}
.crumb a:hover{color:var(--gold-deep)}
.crumb span{margin:0 7px;color:#b7c0d8}
.page-hero h1{font-size:clamp(26px,3vw,38px);letter-spacing:.4px;margin-top:4px}
.hero-lead{margin-top:18px;color:#4c567a;font-size:15.5px;line-height:1.95;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:30px;padding-top:22px;border-top:1px dashed #dbe2f2}
.hero-stats li strong{display:block;font-size:22px;font-weight:900;color:var(--ink);letter-spacing:.5px}
.hero-stats li strong em{font-style:normal;color:var(--gold-deep);font-size:14px;margin-left:3px}
.hero-stats li span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;letter-spacing:.4px}
.hero-panel{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-hover);padding:16px;
}
.hero-shot{position:relative;border-radius:12px;overflow:hidden}
.hero-shot img{width:100%;height:210px;object-fit:cover}
.hero-shot::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(26,31,61,0) 40%,rgba(26,31,61,.62) 100%);
}
.shot-tag{
 position:absolute;left:12px;bottom:12px;z-index:2;
 background:rgba(26,31,61,.9);color:#fff;font-size:12px;font-weight:700;
 padding:6px 13px;border-radius:999px;letter-spacing:.5px;
}
.shot-tag b{color:#ffd166}
.panel-body{padding:16px 6px 4px}
.panel-row{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 font-size:13.5px;padding:8px 0;border-bottom:1px dashed #e8edf8;
}
.panel-row:last-of-type{border-bottom:0}
.panel-row span{color:var(--muted)}
.panel-row strong{color:var(--ink);font-weight:800;letter-spacing:.3px}
.progress-wrap{margin-top:14px}
.progress{height:8px;border-radius:999px;background:#eaeffa;overflow:hidden}
.progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#ffc233,#ff9c00)}
.progress-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:7px;letter-spacing:.4px}
.progress-label b{color:var(--gold-deep);font-weight:800}

/* ============ 板块 ============ */
section{padding:62px 0}
.sec-alt{background:#eef2fb}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head h2{font-size:clamp(21px,2.4vw,28px);letter-spacing:.3px}
.sec-head p{margin-top:13px;color:var(--muted);font-size:14.8px;line-height:1.9}
.sec-head .eyebrow{margin-bottom:12px}
.sec-split{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:start}
.sec-split .sec-head{margin-bottom:0}

/* 卡片通用 */
.card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d5ddf0}
.card h3{font-size:16.5px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14px;line-height:1.8}

/* 版本速览 */
.version-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.version-card{position:relative;display:flex;flex-direction:column}
.version-card .tag{
 align-self:flex-start;font-size:11.5px;font-weight:800;letter-spacing:.6px;
 padding:4px 10px;border-radius:6px;background:rgba(26,31,61,.06);color:#3a4madcap;
 color:#3a456b;margin-bottom:12px;
}
.version-card.hot{border-color:rgba(255,180,0,.5);box-shadow:0 2px 8px rgba(255,180,0,.12),0 14px 34px rgba(255,180,0,.14)}
.version-card.hot .tag{background:rgba(255,180,0,.2);color:#8a6200}
.version-card h3{font-size:16px;letter-spacing:.3px}
.version-card p{margin-top:8px;flex:1}
.version-card .vmeta{margin-top:14px;padding-top:12px;border-top:1px dashed #e8edf8;font-size:12.5px;color:#4c567a;display:flex;justify-content:space-between;gap:8px}
.version-card .vmeta b{color:var(--ink)}

/* 三连卖点 */
.before-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.before-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.before-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.before-card .num{
 display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;
 background:rgba(255,180,0,.16);color:#9d7000;font-weight:900;font-size:14px;margin-bottom:14px;
}
.before-card h3{font-size:16.5px;margin-bottom:8px}
.before-card p{color:var(--muted);font-size:14px}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:step}
.step{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px 22px;box-shadow:var(--shadow);
}
.step::before{
 counter-increment:step;content:"0" counter(step);
 position:absolute;top:16px;right:18px;font-size:26px;font-weight:900;
 color:rgba(26,31,61,.07);letter-spacing:1px;
}
.step h3{font-size:15.5px;margin-bottom:8px}
.step p{color:var(--muted);font-size:13.6px;line-height:1.8}
.step .mini{display:inline-block;margin-top:12px;font-size:12px;font-weight:700;color:#8a6200;background:rgba(255,180,0,.14);padding:3px 10px;border-radius:6px}

/* 机型适配 */
.device-list{display:flex;flex-direction:column;gap:12px}
.device-row{
 display:grid;grid-template-columns:1.05fr 1.35fr .8fr;gap:18px;align-items:center;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:16px 20px;box-shadow:var(--shadow);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.device-row:hover{transform:translateX(3px);box-shadow:var(--shadow-hover);border-color:#d5ddf0}
.device-row .dname{font-weight:800;color:var(--ink);font-size:14.8px}
.device-row .dname small{display:block;font-weight:600;color:var(--muted);font-size:12px;margin-top:2px}
.device-row .ddesc{color:var(--muted);font-size:13.6px}
.device-row .dver{
 justify-self:end;font-size:12.5px;font-weight:800;color:#8a6200;
 background:rgba(255,180,0,.15);padding:5px 12px;border-radius:999px;white-space:nowrap;
}

/* 更新日志 */
.log-list{position:relative;padding-left:26px}
.log-list::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,rgba(255,180,0,.6),rgba(255,180,0,.06))}
.log-item{position:relative;padding:0 0 24px 8px}
.log-item:last-child{padding-bottom:0}
.log-item::before{
 content:"";position:absolute;left:-24px;top:8px;width:10px;height:10px;border-radius:50%;
 background:#fff;border:2px solid var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.14);
}
.log-item .lv{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:6px}
.log-item .lv b{font-size:15px;color:var(--ink);letter-spacing:.4px}
.log-item .lv span{font-size:12px;color:var(--muted)}
.log-item p{color:var(--muted);font-size:14px;line-height:1.85}

/* FAQ */
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow);margin-bottom:12px;overflow:hidden;
}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 22px;font-weight:700;color:var(--ink);
 font-size:15px;display:flex;align-items:center;justify-content:space-between;gap:16px;
 transition:background .2s ease;
}
.faq-item summary:hover{background:#fafbff}
.faq-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;font-weight:800;color:var(--gold-deep);line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-a{padding:0 22px 20px;color:var(--muted);font-size:14.2px;line-height:1.9;border-top:1px dashed #edf1fa;padding-top:14px;margin-top:0}

/* 频道入口 */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.channel-card{
 display:block;position:relative;overflow:hidden;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:var(--shadow);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:#d5ddf0}
.channel-card::after{
 content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.18),rgba(255,180,0,0) 70%);
}
.channel-card .ch-kicker{font-size:12px;font-weight:800;letter-spacing:1.6px;color:#9d7000;margin-bottom:10px}
.channel-card h3{font-size:18px;margin-bottom:8px}
.channel-card p{color:var(--muted);font-size:13.8px;line-height:1.8}
.channel-card .ch-go{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13px;font-weight:800;color:var(--ink)}
.channel-card:hover .ch-go{color:var(--gold-deep)}
.channel-card.current{border-color:rgba(255,180,0,.55);background:linear-gradient(180deg,#fffdf6,#ffffff)}
.channel-card.current .ch-go{color:#8a6200}

/* 资讯列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post-card{
 display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#d5ddf0}
.post-card:focus-visible{outline:3px solid rgba(255,180,0,.5);outline-offset:3px}
.post-cat{
 align-self:flex-start;font-size:11.5px;font-weight:800;letter-spacing:.6px;
 color:#3a456b;background:rgba(26,31,61,.06);padding:4px 10px;border-radius:6px;margin-bottom:12px;
}
.post-title{font-size:15.5px;line-height:1.6;color:var(--ink);margin-bottom:9px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-ex{color:var(--muted);font-size:13.5px;line-height:1.8;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;justify-content:space-between;gap:10px;margin-top:16px;padding-top:12px;border-top:1px dashed #e8edf8;font-size:12px;color:#7d87a6}
.post-meta span:last-child{color:var(--gold-deep);font-weight:800}
.empty-state{
 padding:38px 24px;text-align:center;color:var(--muted);font-size:14px;
 background:#fff;border:1px dashed #d8e0f2;border-radius:var(--radius);
}

/* CTA 收口 */
.cta-band{
 background:linear-gradient(135deg,#1a1f3d 0%,#2a3163 58%,#1a1f3d 100%);
 border-radius:var(--radius-lg);padding:44px 40px;
 display:grid;grid-template-columns:1.25fr auto;gap:32px;align-items:center;
 position:relative;overflow:hidden;
}
.cta-band::before{
 content:"";position:absolute;right:-70px;top:-90px;width:320px;height:320px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.22),rgba(255,180,0,0) 68%);
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.3vw,27px);letter-spacing:.4px;position:relative;z-index:2}
.cta-band p{color:#b7c0e0;font-size:14.5px;line-height:1.9;margin-top:12px;max-width:620px;position:relative;z-index:2}
.cta-actions{display:flex;flex-direction:column;gap:10px;position:relative;z-index:2}

/* ============ 页脚 ============ */
.site-footer{background:#1a1f3d;color:#c3caea;padding:52px 0 24px}
.footer-top{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff}
.footer-brand strong{font-size:16px;color:#fff;letter-spacing:.5px}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:10px;font-size:16px}
.site-footer p{font-size:13.5px;line-height:1.9;color:#a9b2d4;max-width:420px}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:1px}
.footer-col a{display:block;font-size:13.5px;padding:5px 0;color:#a9b2d4;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--gold);transform:translateX(2px)}
.footer-col a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.footer-bottom{
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
 font-size:12.5px;color:#8e97bd;
}
.footer-bottom .dom{letter-spacing:.6px;color:#7a84ad}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .topbar{display:flex}
 .sidebar{transform:translateX(-100%);transition:transform .28s ease;box-shadow:0 0 40px rgba(10,14,32,.35)}
 .sidebar.is-open{transform:translateX(0)}
 .layout{margin-left:0}
 .hero-inner{grid-template-columns:1fr;gap:30px;padding-top:26px}
 .hero-shot img{height:230px}
 .version-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
 .sec-split{grid-template-columns:1fr;gap:26px}
 .channel-grid,.post-grid,.before-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:26px}
 .cta-band{grid-template-columns:1fr;padding:36px 28px}
 .cta-actions{flex-direction:row;flex-wrap:wrap}
}
@media (max-width:768px){
 section{padding:48px 0}
 .container{padding:0 18px}
 .hero-stats{gap:24px}
 .hero-stats li strong{font-size:20px}
 .version-grid,.steps,.channel-grid,.post-grid,.before-grid{grid-template-columns:1fr}
 .device-row{grid-template-columns:1fr;gap:8px;padding:16px 18px}
 .device-row .dver{justify-self:start}
 .footer-top{grid-template-columns:1fr 1fr}
 .footer-top > div:first-child{grid-column:1 / -1}
 .cta-band{padding:30px 22px}
 .page-hero h1{font-size:26px}
}
@media (max-width:520px){
 .hero-actions .btn{width:100%}
 .topbar-cta{padding:7px 13px;font-size:12.5px}
 .topbar-brand{font-size:14px}
 .hero-shot img{height:190px}
 .card,.before-card,.version-card,.post-card{padding:18px}
 .faq-item summary{padding:15px 16px;font-size:14.2px}
 .faq-item .faq-a{padding:12px 16px 18px}
 .footer-bottom{flex-direction:column;gap:6px}
 .btn{padding:12px 22px;font-size:14.5px}
}