/* roulang page: index */
:root{
  --ink:#1a1f3d;
  --ink-soft:#242b52;
  --ink-deep:#12162e;
  --gold:#ffb400;
  --gold-light:#ffd166;
  --gold-deep:#ff9500;
  --cyan:#37e0d8;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --text:#1c2033;
  --muted:#5d6479;
  --line:#e3e6f0;
  --radius-sm:8px;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(26,31,61,.06);
  --shadow:0 10px 30px rgba(26,31,61,.09);
  --shadow-lg:0 24px 60px rgba(26,31,61,.16);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--gold-deep);}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);line-height:1.28;letter-spacing:-.3px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:3px solid rgba(255,180,0,.7);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

/* ============ Header ============ */
.site-header{position:relative;z-index:50;}
.topbar{background:var(--ink-deep);border-bottom:1px solid rgba(255,255,255,.07);}
.topbar-inner{display:flex;align-items:center;gap:26px;min-height:76px;padding:10px 20px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
  display:grid;place-items:center;font-size:20px;font-weight:900;color:var(--ink);
  box-shadow:0 8px 20px rgba(255,150,0,.3);
}
.brand-text strong{display:block;font-size:16px;color:#fff;font-weight:800;letter-spacing:.4px;line-height:1.3;}
.brand-text small{display:block;font-size:11px;color:#8e97bd;letter-spacing:1.6px;margin-top:2px;}
.search{
  flex:1 1 auto;max-width:400px;display:flex;align-items:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  border-radius:10px;padding:4px 4px 4px 14px;transition:.25s;
}
.search:focus-within{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.11);}
.search input{
  flex:1;background:transparent;border:0;color:#fff;font-size:14px;padding:8px 0;min-width:0;
}
.search input::placeholder{color:#8a93b8;}
.search input:focus{outline:none;}
.search button{
  border:0;border-radius:8px;padding:8px 16px;font-size:13.5px;font-weight:700;
  background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));color:var(--ink);
  transition:.2s;
}
.search button:hover{filter:brightness(1.06);}
.topbar-cta{
  margin-left:auto;flex:0 0 auto;padding:10px 22px;border-radius:10px;font-size:14px;font-weight:700;
  color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
  box-shadow:0 8px 20px rgba(255,150,0,.26);transition:.22s;
}
.topbar-cta:hover{transform:translateY(-2px);color:var(--ink);box-shadow:0 12px 26px rgba(255,150,0,.36);}
.channelbar{background:var(--ink);position:sticky;top:0;z-index:45;box-shadow:0 8px 22px rgba(14,18,40,.2);}
.channelbar-inner{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:11px 20px;scrollbar-width:none;}
.channelbar-inner::-webkit-scrollbar{display:none;}
.channel{
  padding:8px 20px;border-radius:999px;font-size:14px;color:#c2c9e5;white-space:nowrap;
  border:1px solid transparent;transition:.22s;font-weight:500;
}
.channel:hover{color:#fff;background:rgba(255,255,255,.08);}
.channel.active{
  background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
  color:var(--ink);font-weight:800;box-shadow:0 8px 18px rgba(255,150,0,.32);
}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42;}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(13,17,38,.97) 0%,rgba(26,31,61,.9) 48%,rgba(26,31,61,.52) 100%);
}
.hero-inner{position:relative;z-index:2;padding:86px 20px 74px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:6px 15px;border-radius:999px;
  background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.42);
  color:var(--gold-light);font-size:13px;font-weight:600;letter-spacing:.5px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block;box-shadow:0 0 0 4px rgba(255,180,0,.16);}
.hero h1{
  color:#fff;margin-top:22px;font-size:clamp(29px,4.4vw,50px);max-width:17em;line-height:1.24;letter-spacing:-1px;
}
.hero h1 em{font-style:normal;color:var(--gold-light);}
.hero-lead{max-width:740px;margin-top:22px;color:#c6cde8;font-size:16.5px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:10px;font-size:15px;font-weight:800;
  border:1px solid transparent;transition:.22s;line-height:1.2;
}
.btn-gold{background:linear-gradient(135deg,#ffc233,var(--gold-deep));color:var(--ink);box-shadow:0 12px 26px rgba(255,150,0,.3);}
.btn-gold:hover{transform:translateY(-2px);color:var(--ink);box-shadow:0 18px 34px rgba(255,150,0,.42);}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-sm);}
.btn-outline:hover{border-color:var(--gold);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow);}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:44px;
  background:rgba(255,255,255,.14);border-radius:14px;overflow:hidden;max-width:760px;
}
.hero-stat{background:rgba(18,22,46,.82);padding:18px 20px;}
.hero-stat b{display:block;font-size:24px;color:var(--gold-light);font-weight:900;letter-spacing:-.5px;}
.hero-stat span{display:block;font-size:13px;color:#a9b1d3;margin-top:4px;}

/* ============ Sections ============ */
.section{padding:78px 0;}
.section-surface{background:var(--surface);}
.section-tint{background:linear-gradient(180deg,#eef0f9 0%,var(--bg) 100%);}
.section-dark{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.section-dark .section-head h2,.section-dark h2,.section-dark h3{color:#fff;}
.section-dark .section-head p{color:#b3bbdb;}
.section-dark .eyebrow{color:var(--gold-light);}
.section-dark::before{
  content:"";position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16;
}
.section-dark .container{position:relative;z-index:2;}
.section-head{max-width:720px;margin-bottom:42px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2.6px;
  color:#a97b00;text-transform:uppercase;
}
.section-head h2{font-size:clamp(23px,2.7vw,33px);margin:12px 0 14px;}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;}

/* ============ Pillars ============ */
.pillar{
  height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow-sm);transition:.25s;position:relative;overflow:hidden;
}
.pillar::after{
  content:"";position:absolute;left:0;top:0;height:3px;width:56px;
  background:linear-gradient(90deg,var(--gold),transparent);border-radius:0 3px 3px 0;
}
.pillar:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d6dae9;}
.pillar-icon{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:20px;
  background:linear-gradient(135deg,rgba(255,180,0,.18),rgba(55,224,216,.16));
  color:var(--ink);margin-bottom:18px;
}
.pillar h3{font-size:19px;margin-bottom:10px;}
.pillar p{color:var(--muted);font-size:14.8px;margin:0;}

/* ============ Split ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split + .split{margin-top:66px;}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;transform:scale(1.01);transition:.5s;}
.split-media:hover img{transform:scale(1.05);}
.split-media figcaption{
  position:absolute;left:16px;bottom:16px;padding:6px 13px;border-radius:999px;
  background:rgba(18,22,46,.78);color:var(--gold-light);font-size:12.5px;font-weight:600;letter-spacing:.4px;
}
.split-body h3{font-size:clamp(20px,2.2vw,26px);margin-bottom:14px;}
.split-body p{color:var(--muted);font-size:15.4px;}
.split-list{margin-top:18px;display:grid;gap:10px;}
.split-list li{
  position:relative;padding-left:22px;color:#3d4460;font-size:14.8px;
}
.split-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold),var(--gold-deep));
}

/* ============ Entry matrix ============ */
.entry-card{
  display:block;height:100%;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 26px 28px;box-shadow:var(--shadow-sm);
  transition:.25s;position:relative;
}
.entry-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.55);color:inherit;}
.entry-num{
  font-size:13px;font-weight:900;letter-spacing:2px;color:#b58300;margin-bottom:14px;display:block;
}
.entry-card h3{font-size:19.5px;margin-bottom:10px;}
.entry-card p{color:var(--muted);font-size:14.6px;margin-bottom:18px;}
.entry-more{font-size:14px;font-weight:800;color:var(--ink);display:inline-flex;align-items:center;gap:6px;}
.entry-more::after{content:"→";transition:.2s;}
.entry-card:hover .entry-more{color:var(--gold-deep);}
.entry-card:hover .entry-more::after{transform:translateX(4px);}

/* ============ Post cards ============ */
.post-card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:.25s;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d5dae9;color:inherit;}
.post-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:#e8ebf4;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:.45s;}
.post-card:hover .post-thumb img{transform:scale(1.06);}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:#828aa6;margin-bottom:10px;}
.post-meta .tag{
  padding:3px 10px;border-radius:999px;background:rgba(255,180,0,.14);color:#a97b00;font-weight:700;font-size:12px;
}
.post-card h3{font-size:17px;line-height:1.5;margin-bottom:10px;}
.post-desc{font-size:14px;color:var(--muted);margin-bottom:14px;flex:1;}
.post-link{font-size:13.5px;font-weight:800;color:var(--ink);}
.post-card:hover .post-link{color:var(--gold-deep);}
.empty-note{
  padding:34px;border:1px dashed var(--line);border-radius:var(--radius);
  text-align:center;color:var(--muted);background:#fbfcff;font-size:15px;
}

/* ============ Topics ============ */
.topic-card{
  position:relative;display:block;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:.28s;height:100%;min-height:230px;background:var(--ink);
}
.topic-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.62;transition:.4s;}
.topic-card:hover img{opacity:.8;transform:scale(1.05);}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);color:#fff;}
.topic-inner{position:relative;z-index:2;padding:24px 22px;height:100%;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;
  background:linear-gradient(180deg,rgba(18,22,46,.1) 0%,rgba(18,22,46,.88) 100%);min-height:230px;}
.topic-inner small{font-size:12px;letter-spacing:1.6px;color:var(--gold-light);font-weight:700;margin-bottom:8px;}
.topic-inner h3{color:#fff;font-size:18px;line-height:1.42;margin-bottom:8px;}
.topic-inner p{font-size:13.4px;color:#c8cfe9;margin:0;}

/* ============ Steps ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;counter-reset:step;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-sm);position:relative;transition:.25s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.step-num{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:11px;
  background:var(--ink);color:var(--gold-light);font-weight:900;font-size:17px;margin-bottom:16px;
}
.step h3{font-size:17.5px;margin-bottom:10px;}
.step p{color:var(--muted);font-size:14.5px;margin:0;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:6px 22px;box-shadow:var(--shadow-sm);transition:.22s;
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 0;font-weight:800;color:var(--ink);font-size:16px;
  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:22px;color:var(--gold-deep);font-weight:700;line-height:1;flex:0 0 auto;transition:.2s;
}
.faq-item[open] summary::after{content:"−";}
.faq-item p{color:var(--muted);font-size:14.8px;padding:0 0 20px;margin:0;}

/* ============ News list ============ */
.list-item{
  display:flex;gap:18px;padding:20px 22px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:.22s;margin-bottom:14px;
}
.list-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#d5dae9;color:inherit;}
.list-thumb{flex:0 0 116px;border-radius:10px;overflow:hidden;background:#e8ebf4;}
.list-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.list-body{min-width:0;}
.list-body h3{font-size:16.5px;margin-bottom:8px;line-height:1.5;}
.list-body p{font-size:13.8px;color:var(--muted);margin:0 0 8px;}
.list-meta{font-size:12.5px;color:#828aa6;display:flex;gap:12px;flex-wrap:wrap;}
.side-card{
  background:linear-gradient(160deg,var(--ink) 0%,#2a3260 100%);color:#fff;
  border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);
}
.side-card h3{color:#fff;font-size:18px;margin-bottom:12px;}
.side-card p{color:#b9c1de;font-size:14px;margin-bottom:18px;}
.side-card .btn{width:100%;}
.side-list{margin-top:22px;display:grid;gap:12px;}
.side-list li{font-size:13.8px;color:#c8cfe9;padding-left:16px;position:relative;}
.side-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--gold);}

/* ============ Metrics ============ */
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.metric{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--radius);padding:26px 22px;transition:.25s;
}
.metric:hover{background:rgba(255,255,255,.1);border-color:rgba(255,180,0,.4);transform:translateY(-3px);}
.metric-num{font-size:34px;font-weight:900;color:var(--gold-light);letter-spacing:-1px;line-height:1.1;}
.metric-num span{font-size:15px;color:#b3bbdb;margin-left:4px;font-weight:600;}
.metric p{font-size:13.6px;color:#b3bbdb;margin:10px 0 0;}

/* ============ Scenes ============ */
.scene-card{
  height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);transition:.25s;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(55,224,216,.5);}
.scene-card .badge{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:800;
  background:rgba(26,31,61,.07);color:var(--ink-soft);margin-bottom:14px;letter-spacing:.5px;
}
.scene-card h3{font-size:18px;margin-bottom:10px;}
.scene-card p{color:var(--muted);font-size:14.4px;margin:0;}

/* ============ Rank ============ */
.rank-list{display:grid;gap:14px;}
.rank-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 22px;box-shadow:var(--shadow-sm);transition:.22s;
}
.rank-item:hover{box-shadow:var(--shadow);transform:translateY(-2px);}
.rank-top{display:flex;align-items:center;gap:14px;margin-bottom:10px;}
.rank-no{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;flex:0 0 auto;
  background:var(--ink);color:var(--gold-light);font-weight:900;font-size:14px;
}
.rank-item:nth-child(1) .rank-no{background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));color:var(--ink);}
.rank-title{font-weight:800;font-size:16px;color:var(--ink);flex:1;}
.rank-score{font-size:14px;font-weight:800;color:var(--gold-deep);}
.rank-bar{height:8px;border-radius:999px;background:#eaedf6;overflow:hidden;}
.rank-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--gold-light),var(--gold-deep));}
.rank-desc{font-size:13.6px;color:var(--muted);margin-top:10px;}

/* ============ Voice ============ */
.voice{
  height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow-sm);position:relative;transition:.25s;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.voice::before{
  content:"“";position:absolute;right:22px;top:6px;font-size:64px;color:rgba(255,180,0,.22);
  font-family:Georgia,serif;line-height:1;
}
.voice p{font-size:14.8px;color:#3d4460;margin-bottom:20px;}
.voice-author{display:flex;align-items:center;gap:12px;}
.voice-avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,#2b3260,#1a1f3d);color:var(--gold-light);font-weight:800;font-size:15px;
}
.voice-author b{display:block;font-size:14.5px;color:var(--ink);}
.voice-author span{display:block;font-size:12.5px;color:#828aa6;}

/* ============ CTA panel ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--ink);color:#fff;padding:56px 48px;box-shadow:var(--shadow-lg);
}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.26;}
.cta-panel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(18,22,46,.95) 0%,rgba(26,31,61,.86) 60%,rgba(26,31,61,.62) 100%);
}
.cta-content{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.cta-content h2{color:#fff;font-size:clamp(23px,2.6vw,32px);margin-bottom:14px;}
.cta-content p{color:#c1c9e5;font-size:15.4px;margin:0;}
.subscribe{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px;}
.subscribe input{
  flex:1 1 200px;min-width:0;padding:13px 16px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.09);color:#fff;font-size:14.5px;
}
.subscribe input::placeholder{color:#9aa3c6;}
.subscribe input:focus{outline:none;border-color:var(--gold);background:rgba(255,255,255,.14);}
.subscribe .btn{flex:0 0 auto;}
.form-hint{font-size:12.8px;color:#8f98bd;margin-top:10px;}

/* ============ Footer ============ */
.site-footer{background:var(--ink-deep);color:#a9b1d3;padding:58px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:11px;font-size:18px;}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;}
.footer-about{font-size:14px;line-height:1.8;color:#98a1c4;max-width:360px;}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#98a1c4;transition:.2s;}
.footer-col a:hover{color:var(--gold-light);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7c85a8;
}

/* ============ Responsive ============ */
@media (max-width:1024px){
  .section{padding:64px 0;}
  .hero-inner{padding:72px 20px 62px;}
  .split{gap:36px;}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:32px;}
  .cta-panel{padding:46px 34px;}
  .cta-content{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:768px){
  .topbar-inner{flex-wrap:wrap;gap:12px;padding:14px 20px;min-height:auto;}
  .brand{flex:1 1 auto;}
  .search{display:none;}
  .topbar-cta{margin-left:0;padding:9px 18px;font-size:13.5px;}
  .channelbar-inner{padding:10px 16px;}
  .channel{padding:7px 16px;font-size:13.5px;}
  .hero-inner{padding:56px 20px 52px;}
  .hero-lead{font-size:15.5px;}
  .hero-stats{grid-template-columns:1fr;max-width:100%;margin-top:32px;}
  .hero-stat{padding:14px 18px;display:flex;align-items:center;gap:14px;}
  .hero-stat b{font-size:20px;}
  .hero-stat span{margin-top:0;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:30px;}
  .split{grid-template-columns:1fr;gap:24px;}
  .split + .split{margin-top:46px;}
  .split:nth-child(2) .split-media{order:-1;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .list-item{flex-direction:row;gap:14px;padding:16px;}
  .list-thumb{flex:0 0 88px;}
  .list-body h3{font-size:15px;}
  .list-body p{display:none;}
  .cta-panel{padding:36px 24px;border-radius:16px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-about{max-width:100%;}
  .voice::before{font-size:48px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .topbar-inner{padding:12px 16px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text small{display:none;}
  .brand-mark{width:36px;height:36px;font-size:17px;border-radius:10px;}
  .hero h1{font-size:26px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .metric{padding:18px 14px;}
  .metric-num{font-size:26px;}
  .metric p{font-size:12.6px;}
  .post-body{padding:16px;}
  .entity h3,.pillar h3,.entry-card h3,.scene-card h3{font-size:16.5px;}
  .subscribe{flex-direction:column;}
  .subscribe .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: article */
:root{
 --ink:#1a1f3d;
 --ink-soft:#242b52;
 --ink-deep:#12162e;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --gold-deep:#ff9500;
 --cyan:#37e0d8;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1c2033;
 --muted:#5d6479;
 --line:#e3e6f0;
 --radius-sm:8px;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 10px 30px rgba(26,31,61,.09);
 --shadow-lg:0 24px 60px rgba(26,31,61,.16);
 --gap:24px;
}
*,*::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","Helvetica Neue",Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--gold-deep);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(255,180,0,.55);outline-offset:2px;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--ink);font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

/* ============ Header ============ */
.site-header{position:relative;z-index:50;}
.topbar{background:var(--ink-deep);border-bottom:1px solid rgba(255,255,255,.07);}
.topbar-inner{display:flex;align-items:center;gap:26px;min-height:76px;padding:10px 20px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
 width:42px;height:42px;border-radius:13px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 display:grid;place-items:center;font-size:20px;font-weight:900;color:var(--ink);
 box-shadow:0 8px 20px rgba(255,150,0,.3);
}
.brand-text strong{display:block;font-size:16px;color:#fff;font-weight:800;letter-spacing:.4px;line-height:1.3;}
.brand-text small{display:block;font-size:11px;color:#8e97bd;letter-spacing:1.6px;margin-top:2px;}
.search{
 flex:1 1 auto;max-width:400px;display:flex;align-items:center;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
 border-radius:10px;padding:4px 4px 4px 14px;transition:.25s;
}
.search:focus-within{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.11);}
.search input{flex:1;background:transparent;border:0;color:#fff;font-size:14px;padding:8px 0;min-width:0;}
.search input::placeholder{color:#8a93b8;}
.search input:focus{outline:none;}
.search button{
 border:0;border-radius:8px;padding:8px 16px;font-size:13.5px;font-weight:700;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));color:var(--ink);transition:.2s;
}
.search button:hover{filter:brightness(1.06);}
.topbar-cta{
 margin-left:auto;flex:0 0 auto;padding:10px 22px;border-radius:10px;font-size:14px;font-weight:700;
 color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 box-shadow:0 8px 20px rgba(255,150,0,.26);transition:.22s;
}
.topbar-cta:hover{transform:translateY(-2px);color:var(--ink);box-shadow:0 12px 26px rgba(255,150,0,.36);}
.channelbar{background:var(--ink);border-bottom:1px solid rgba(255,255,255,.06);}
.channelbar-inner{display:flex;align-items:center;gap:8px;overflow-x:auto;padding:0 20px;}
.channelbar-inner::-webkit-scrollbar{height:0;}
.channel{
 position:relative;flex:0 0 auto;padding:16px 18px;font-size:14.5px;font-weight:600;
 color:#b9c0dd;white-space:nowrap;transition:.2s;
}
.channel:hover{color:#fff;}
.channel.active{color:#fff;}
.channel.active::after{
 content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:3px 3px 0 0;
 background:linear-gradient(90deg,var(--gold-light),var(--gold-deep));
}

/* ============ Article Hero ============ */
.article-hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;}
.article-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.36;}
.article-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(13,17,38,.97) 0%,rgba(26,31,61,.9) 52%,rgba(26,31,61,.55) 100%);
}
.article-hero-inner{position:relative;z-index:2;padding:56px 20px 62px;max-width:920px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:#9aa3c7;}
.crumb a{color:#c8cfe9;}
.crumb a:hover{color:var(--gold-light);}
.crumb span.dot{color:#5c6690;}
.crumb .current{color:#8892b8;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
 font-size:12.5px;font-weight:700;letter-spacing:.4px;
 background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.42);color:var(--gold-light);
}
.tag.tag-cyan{background:rgba(55,224,216,.1);border-color:rgba(55,224,216,.38);color:#7ff0ec;}
.article-hero h1{
 color:#fff;margin-top:20px;font-size:clamp(26px,3.6vw,42px);line-height:1.28;letter-spacing:-.6px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;font-size:13.5px;color:#a7afd2;}
.article-meta b{color:var(--gold-light);font-weight:700;}
.article-meta .sep{width:4px;height:4px;border-radius:50%;background:#4d5680;display:inline-block;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:10px;font-size:15px;font-weight:800;
 border:1px solid transparent;transition:.22s;line-height:1.2;
}
.btn-gold{background:linear-gradient(135deg,#ffc233,var(--gold-deep));color:var(--ink);box-shadow:0 12px 26px rgba(255,150,0,.3);}
.btn-gold:hover{transform:translateY(-2px);color:var(--ink);box-shadow:0 18px 34px rgba(255,150,0,.42);}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-sm);}
.btn-outline:hover{border-color:var(--gold);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow);}

/* ============ Sections ============ */
.section{padding:64px 0;}
.section-surface{background:var(--surface);}
.section-tint{background:linear-gradient(180deg,#eef0f9 0%,var(--bg) 100%);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2.6px;color:#a97b00;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);margin:12px 0 12px;}
.section-head p{color:var(--muted);font-size:15.5px;}

/* ============ Article Layout ============ */
.article-wrap{padding:48px 0 64px;background:var(--bg);}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:34px;align-items:start;}
.article-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);padding:34px 38px;
}
.article-card-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;margin-bottom:22px;border-bottom:1px solid var(--line);}
.article-card-head .bar{width:5px;height:20px;border-radius:3px;background:linear-gradient(180deg,var(--gold-light),var(--gold-deep));}
.article-card-head strong{font-size:15px;color:var(--ink);letter-spacing:.5px;}
.article-card-head small{margin-left:auto;font-size:12.5px;color:#98a0b8;}

/* CMS 正文排版 */
.entry-content{font-size:16.5px;line-height:1.95;color:#2b3149;}
.entry-content>*:first-child{margin-top:0;}
.entry-content p{margin:0 0 18px;}
.entry-content h2{
 font-size:clamp(20px,2.2vw,24px);margin:40px 0 16px;padding-left:15px;
 border-left:5px solid var(--gold);line-height:1.4;
}
.entry-content h3{font-size:18.5px;margin:30px 0 12px;color:var(--ink-soft);}
.entry-content h4{font-size:16.5px;margin:24px 0 10px;color:var(--ink-soft);}
.entry-content ul,.entry-content ol{margin:0 0 20px;padding-left:0;}
.entry-content ul li,.entry-content ol li{
 position:relative;padding-left:22px;margin-bottom:10px;color:#333a55;
}
.entry-content ul li::before{
 content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
}
.entry-content ol{counter-reset:cmsnum;}
.entry-content ol li{counter-increment:cmsnum;}
.entry-content ol li::before{
 content:counter(cmsnum);position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;
 background:rgba(255,180,0,.18);color:#a97b00;font-size:11.5px;font-weight:800;
 display:grid;place-items:center;
}
.entry-content img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow-sm);}
.entry-content blockquote{
 margin:24px 0;padding:18px 22px;border-radius:var(--radius);
 background:#f7f8fd;border-left:4px solid var(--cyan);color:#3b4262;font-size:15.5px;
}
.entry-content blockquote p:last-child{margin-bottom:0;}
.entry-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.entry-content th{background:#f0f2fa;color:var(--ink);font-weight:700;}
.entry-content a{color:#b06d00;text-decoration:underline;text-underline-offset:3px;}
.entry-content a:hover{color:var(--gold-deep);}
.entry-content hr{border:0;border-top:1px dashed var(--line);margin:32px 0;}
.entry-content strong{color:var(--ink);}

/* 空内容提示 */
.empty-state{text-align:center;padding:34px 10px;}
.empty-state .mark{
 width:64px;height:64px;border-radius:20px;margin:0 auto 18px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));color:var(--ink);
 font-size:26px;font-weight:900;box-shadow:0 12px 26px rgba(255,150,0,.28);
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

/* ============ Sidebar ============ */
.side-col{display:flex;flex-direction:column;gap:22px;position:sticky;top:24px;}
.side-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);padding:22px 24px;
}
.side-card h3{font-size:15px;letter-spacing:.6px;display:flex;align-items:center;gap:9px;margin-bottom:16px;}
.side-card h3::before{
 content:"";width:5px;height:16px;border-radius:3px;
 background:linear-gradient(180deg,var(--gold-light),var(--gold-deep));
}
.side-list li{margin-bottom:12px;}
.side-list li:last-child{margin-bottom:0;}
.side-list a{
 display:flex;gap:10px;font-size:14px;color:#3d4460;line-height:1.6;transition:.2s;
}
.side-list a::before{
 content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;margin-top:9px;
 background:var(--gold);transition:.2s;
}
.side-list a:hover{color:var(--gold-deep);transform:translateX(3px);}
.side-thumb{position:relative;overflow:hidden;border-radius:var(--radius);margin-bottom:14px;}
.side-thumb img{width:100%;height:150px;object-fit:cover;transition:transform .5s ease;}
.side-card:hover .side-thumb img{transform:scale(1.05);}
.side-thumb::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(18,22,46,0) 40%,rgba(18,22,46,.72) 100%);
}
.side-thumb-cap{
 position:absolute;left:14px;right:14px;bottom:12px;z-index:2;color:#fff;font-size:13px;font-weight:700;
 letter-spacing:.3px;
}
.side-note{font-size:13.5px;color:var(--muted);line-height:1.8;}
.side-cta{
 background:linear-gradient(150deg,var(--ink) 0%,var(--ink-soft) 100%);
 color:#fff;border:0;
}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:linear-gradient(180deg,var(--gold-light),var(--gold-deep));}
.side-cta p{color:#b7bfdd;font-size:13.5px;margin-bottom:16px;}
.side-cta .btn{width:100%;padding:11px 18px;font-size:14px;}

/* ============ Quick Highlights ============ */
.highlight-strip{
 display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:-40px;position:relative;z-index:5;
}
.hl-card{
 background:var(--surface);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,border-color .25s ease;
}
.hl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45);}
.hl-card .hl-idx{
 display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;
 background:rgba(255,180,0,.14);color:#a97b00;font-size:13px;font-weight:900;margin-bottom:12px;
}
.hl-card h3{font-size:16px;margin-bottom:8px;}
.hl-card p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ============ Rhythm Steps ============ */
.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.step-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .25s ease,box-shadow .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.step-num{
 font-size:34px;font-weight:900;letter-spacing:-1.5px;line-height:1;
 background:linear-gradient(135deg,var(--gold),var(--gold-deep));
 -webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px;
}
.step-card h3{font-size:17px;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--muted);}
.step-card ul{margin-top:14px;}
.step-card li{
 font-size:13.8px;color:#4a5170;padding-left:18px;position:relative;margin-bottom:7px;
}
.step-card li::before{
 content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--cyan);
}

/* ============ Mistake Matrix ============ */
.mistake-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.mistake-item{
 display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow-sm);
 transition:border-color .25s ease,box-shadow .25s ease;
}
.mistake-item:hover{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow);}
.mistake-item .badge-x{
 flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:rgba(255,180,0,.14);color:#a97b00;font-weight:900;font-size:15px;
}
.mistake-item h3{font-size:15.5px;margin-bottom:6px;}
.mistake-item p{font-size:14px;color:var(--muted);}

/* ============ Channel Matrix ============ */
.channel-matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.cm-card{
 display:block;position:relative;overflow:hidden;border-radius:var(--radius-lg);
 background:var(--ink);color:#fff;border:1px solid rgba(255,255,255,.08);
 padding:28px 26px 26px;min-height:190px;transition:transform .28s ease,box-shadow .28s ease;
}
.cm-card::before{
 content:"";position:absolute;inset:0;background-size:cover;background-position:center;
 opacity:.24;transition:opacity .3s ease,transform .5s ease;
}
.cm-card::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(160deg,rgba(18,22,46,.92) 0%,rgba(26,31,61,.7) 100%);
}
.cm-card>*{position:relative;z-index:2;}
.cm-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);color:#fff;}
.cm-card:hover::before{opacity:.36;transform:scale(1.06);}
.cm-card .cm-tag{
 display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:1.6px;
 color:var(--gold-light);margin-bottom:12px;
}
.cm-card h3{color:#fff;font-size:19px;margin-bottom:10px;}
.cm-card p{color:#b9c1de;font-size:14px;}
.cm-card .cm-go{
 display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-size:13.5px;
 font-weight:800;color:var(--gold-light);
}
.cm-card:hover .cm-go{gap:12px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:19px 56px 19px 22px;position:relative;
 font-size:15.8px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
 width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 background:rgba(255,180,0,.14);color:#a97b00;font-size:17px;font-weight:800;transition:.25s;
}
.faq-item[open] summary::after{content:"−";background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));color:var(--ink);}
.faq-body{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.85;}

/* ============ Closing CTA ============ */
.closing{
 position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--radius-lg);
 padding:44px 42px;display:flex;flex-wrap:wrap;align-items:center;gap:28px;
 box-shadow:var(--shadow-lg);
}
.closing::before{
 content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-6.webp');
 background-size:cover;background-position:center;opacity:.18;
}
.closing::after{
 content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.32) 0%,rgba(255,180,0,0) 70%);
}
.closing-text{position:relative;z-index:2;flex:1 1 420px;min-width:0;}
.closing-text h2{color:#fff;font-size:clamp(21px,2.4vw,27px);margin-bottom:12px;}
.closing-text p{color:#bcc4e0;font-size:15px;}
.closing-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;}

/* ============ Footer ============ */
.site-footer{background:var(--ink-deep);color:#aeb6d4;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;letter-spacing:.4px;}
.footer-about{font-size:14px;line-height:1.9;color:#9aa3c4;max-width:420px;}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:1px;margin-bottom:16px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:#9aa3c4;transition:.2s;}
.footer-col a:hover{color:var(--gold-light);}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.09);padding:20px 0 24px;
 display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
 font-size:12.8px;color:#7d86a9;
}

/* ============ Responsive ============ */
@media screen and (max-width:1024px){
 .article-layout{grid-template-columns:minmax(0,1fr);}
 .side-col{position:static;flex-direction:row;flex-wrap:wrap;}
 .side-col>.side-card{flex:1 1 300px;}
 .highlight-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
 .channel-matrix{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:768px){
 .topbar-inner{flex-wrap:wrap;gap:14px;padding:14px 20px;}
 .brand{order:1;}
 .topbar-cta{order:2;margin-left:auto;padding:9px 16px;font-size:13px;}
 .search{order:3;flex:1 1 100%;max-width:none;}
 .channel{padding:14px 14px;font-size:14px;}
 .article-hero-inner{padding:40px 20px 74px;}
 .article-wrap{padding:34px 0 48px;}
 .article-card{padding:24px 20px;border-radius:var(--radius);}
 .entry-content{font-size:16px;}
 .section{padding:48px 0;}
 .highlight-strip{grid-template-columns:1fr;margin-top:-46px;}
 .step-grid{grid-template-columns:1fr;}
 .mistake-grid{grid-template-columns:1fr;}
 .channel-matrix{grid-template-columns:1fr;}
 .closing{padding:30px 24px;}
 .side-col{flex-direction:column;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media screen and (max-width:520px){
 .brand-text strong{font-size:14.5px;}
 .brand-text small{font-size:10px;letter-spacing:1px;}
 .brand-mark{width:38px;height:38px;font-size:18px;border-radius:11px;}
 .article-hero h1{font-size:23px;}
 .hero-actions .btn{width:100%;}
 .closing-actions .btn{width:100%;}
 .article-card-head{flex-wrap:wrap;}
 .article-card-head small{margin-left:0;width:100%;}
 .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#242b52;
 --ink-deep:#12162e;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --gold-deep:#ff9500;
 --cyan:#37e0d8;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1c2033;
 --muted:#5d6479;
 --line:#e3e6f0;
 --radius-sm:8px;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 10px 30px rgba(26,31,61,.09);
 --shadow-lg:0 24px 60px rgba(26,31,61,.16);
 --gap:24px;
}
*,*::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","Helvetica Neue",Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--gold-deep);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(255,180,0,.6);outline-offset:3px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
/* ============ Header ============ */
.site-header{position:relative;z-index:50;}
.topbar{background:var(--ink-deep);border-bottom:1px solid rgba(255,255,255,.07);}
.topbar-inner{display:flex;align-items:center;gap:26px;min-height:76px;padding:10px 20px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
 width:42px;height:42px;border-radius:13px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 display:grid;place-items:center;font-size:20px;font-weight:900;color:var(--ink);
 box-shadow:0 8px 20px rgba(255,150,0,.3);
}
.brand-text strong{display:block;font-size:16px;color:#fff;font-weight:800;letter-spacing:.4px;line-height:1.3;}
.brand-text small{display:block;font-size:11px;color:#8e97bd;letter-spacing:1.6px;margin-top:2px;}
.search{
 flex:1 1 auto;max-width:400px;display:flex;align-items:center;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
 border-radius:10px;padding:4px 4px 4px 14px;transition:.25s;
}
.search:focus-within{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.11);}
.search input{flex:1;background:transparent;border:0;color:#fff;font-size:14px;padding:8px 0;min-width:0;}
.search input::placeholder{color:#8a93b8;}
.search input:focus{outline:none;}
.search button{
 border:0;border-radius:8px;padding:8px 16px;font-size:13.5px;font-weight:700;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));color:var(--ink);
 transition:.2s;
}
.search button:hover{filter:brightness(1.06);}
.topbar-cta{
 margin-left:auto;flex:0 0 auto;padding:10px 22px;border-radius:10px;font-size:14px;font-weight:700;
 color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 box-shadow:0 8px 20px rgba(255,150,0,.26);transition:.22s;
}
.topbar-cta:hover{transform:translateY(-2px);color:var(--ink);box-shadow:0 12px 26px rgba(255,150,0,.36);}
.channelbar{background:var(--ink);border-top:1px solid rgba(255,255,255,.06);box-shadow:0 6px 20px rgba(18,22,46,.18);}
.channelbar-inner{display:flex;align-items:center;gap:6px;padding:0 20px;overflow-x:auto;scrollbar-width:none;}
.channelbar-inner::-webkit-scrollbar{display:none;}
.channel{
 display:inline-flex;align-items:center;padding:15px 18px;font-size:14.5px;font-weight:600;
 color:#c3cae6;border-bottom:3px solid transparent;white-space:nowrap;transition:.2s;
}
.channel:hover{color:#fff;background:rgba(255,255,255,.05);}
.channel.active{color:var(--gold-light);border-bottom-color:var(--gold);}
/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;}
.page-hero .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34;}
.page-hero::before{
 content:"";position:absolute;inset:0;z-index:1;
 background:
  radial-gradient(circle at 16% 20%,rgba(55,224,216,.24),transparent 46%),
  radial-gradient(circle at 84% 10%,rgba(255,180,0,.22),transparent 44%),
  linear-gradient(115deg,rgba(13,17,38,.97) 0%,rgba(26,31,61,.9) 52%,rgba(26,31,61,.6) 100%);
}
.hero-inner{position:relative;z-index:2;padding:46px 20px 70px;}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:#98a1c4;}
.crumb a{color:#ccd3ec;}
.crumb a:hover{color:var(--gold-light);}
.crumb span.sep{color:#5d668a;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.32fr) minmax(0,.88fr);gap:46px;align-items:center;margin-top:34px;}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;padding:6px 15px;border-radius:999px;
 background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.42);
 color:var(--gold-light);font-size:13px;font-weight:600;letter-spacing:.5px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block;box-shadow:0 0 0 4px rgba(255,180,0,.16);}
.page-hero h1{
 margin-top:22px;font-size:clamp(28px,4vw,46px);line-height:1.25;letter-spacing:-.5px;color:#fff;
}
.page-hero h1 em{display:block;font-style:normal;color:var(--gold-light);}
.hero-lead{max-width:640px;margin-top:20px;color:#c6cde8;font-size:16.5px;line-height:1.85;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:10px;font-size:15px;font-weight:800;
 border:1px solid transparent;transition:.22s;line-height:1.2;
}
.btn-gold{background:linear-gradient(135deg,#ffc233,var(--gold-deep));color:var(--ink);box-shadow:0 12px 26px rgba(255,150,0,.3);}
.btn-gold:hover{transform:translateY(-2px);color:var(--ink);box-shadow:0 18px 34px rgba(255,150,0,.42);}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-sm);}
.btn-outline:hover{border-color:var(--gold);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
 font-size:13px;padding:5px 13px;border-radius:999px;
 border:1px solid rgba(255,255,255,.2);color:#c6cde8;background:rgba(255,255,255,.05);
}
.hero-panel{
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow-lg);
 backdrop-filter:blur(6px);
}
.hero-panel h2{font-size:15px;letter-spacing:1.4px;color:var(--gold-light);margin:0 0 18px;}
.hero-panel ol{counter-reset:step;}
.hero-panel li{
 counter-increment:step;position:relative;padding-left:40px;margin-bottom:16px;
 color:#c7cee8;font-size:14px;line-height:1.7;
}
.hero-panel li:last-child{margin-bottom:0;}
.hero-panel li::before{
 content:counter(step,decimal-leading-zero);position:absolute;left:0;top:1px;
 width:28px;height:28px;border-radius:8px;display:grid;place-items:center;
 background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.4);
 color:var(--gold-light);font-size:12px;font-weight:800;
}
.hero-panel strong{display:block;color:#fff;font-size:15px;margin-bottom:2px;}
/* ============ Sections ============ */
.section{padding:74px 0;}
.section-surface{background:var(--surface);}
.section-tint{background:linear-gradient(180deg,#eef0f9 0%,var(--bg) 100%);}
.section-dark{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.section-dark::before{
 content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-5.webp') center/cover no-repeat;
 opacity:.14;
}
.section-dark .container{position:relative;z-index:2;}
.section-head{max-width:740px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
 display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2.4px;
 color:#a97b00;
}
.section-dark .eyebrow{color:var(--gold-light);}
.section-head h2{font-size:clamp(23px,2.7vw,32px);margin:12px 0 14px;line-height:1.35;}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.85;}
.section-dark .section-head h2{color:#fff;}
.section-dark .section-head p{color:#b7bfdd;}
/* stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.stat-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;box-shadow:var(--shadow-sm);transition:.25s;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#f0dcae;}
.stat-card b{display:block;font-size:26px;font-weight:900;color:var(--ink);letter-spacing:-.6px;line-height:1.25;}
.stat-card b em{font-style:normal;color:var(--gold-deep);}
.stat-card span{display:block;font-size:14px;font-weight:700;margin-top:8px;color:var(--text);}
.stat-card p{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7;}
.note-strip{
 margin-top:26px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;
}
.note-box{
 background:rgba(255,255,255,.72);border:1px solid var(--line);border-left:4px solid var(--gold);
 border-radius:var(--radius);padding:20px 22px;font-size:14.5px;color:var(--muted);
}
.note-box strong{display:block;color:var(--ink);font-size:15.5px;margin-bottom:6px;}
/* rule cards */
.rule-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rule-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-sm);transition:.25s;height:100%;
 display:flex;flex-direction:column;
}
.rule-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#f0dcae;}
.rule-icon{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,rgba(255,209,102,.35),rgba(255,149,0,.22));
 color:#8a5a00;font-weight:900;font-size:17px;margin-bottom:16px;
}
.rule-card h3{font-size:18px;margin-bottom:10px;color:var(--ink);}
.rule-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.rule-card .tag{
 align-self:flex-start;margin-top:18px;font-size:12.5px;font-weight:700;
 padding:4px 12px;border-radius:999px;background:#f3f5fd;color:#3d4670;border:1px solid var(--line);
}
/* split */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:46px;align-items:center;}
.media-frame{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 box-shadow:var(--shadow-lg);border:1px solid rgba(26,31,61,.08);
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.media-frame figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:18px 20px;font-size:13.5px;color:#e8ecfb;
 background:linear-gradient(180deg,rgba(18,22,46,0),rgba(18,22,46,.86));
}
.check-list li{
 position:relative;padding-left:34px;margin-bottom:18px;font-size:15px;color:var(--muted);line-height:1.8;
}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
 content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:5px;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 box-shadow:0 4px 10px rgba(255,150,0,.32);
}
.check-list strong{display:block;color:var(--ink);font-size:15.5px;margin-bottom:3px;}
/* flow */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:flow;}
.flow-step{
 counter-increment:flow;position:relative;padding:24px 22px;border-radius:var(--radius);
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);transition:.25s;
}
.flow-step:hover{background:rgba(255,255,255,.1);transform:translateY(-4px);}
.flow-step::before{
 content:"0" counter(flow);display:block;font-size:13px;font-weight:900;letter-spacing:2px;
 color:var(--gold-light);margin-bottom:12px;
}
.flow-step h3{font-size:17px;color:#fff;margin-bottom:8px;}
.flow-step p{font-size:14px;color:#b7bfdd;line-height:1.8;}
/* compare */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.compare-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
 box-shadow:var(--shadow-sm);height:100%;
}
.compare-card header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.compare-card h3{font-size:18px;color:var(--ink);}
.tag-bad,.tag-good{font-size:12.5px;font-weight:800;padding:4px 12px;border-radius:999px;white-space:nowrap;}
.tag-bad{background:#fdecec;color:#b4372f;border:1px solid #f6d4d1;}
.tag-good{background:#eaf7ef;color:#1f7a4d;border:1px solid #cfeadd;}
.compare-card ul li{
 position:relative;padding-left:22px;margin-bottom:12px;font-size:14.5px;color:var(--muted);line-height:1.8;
}
.compare-card ul li::before{
 content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
 background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.14);
}
.compare-card ul li:last-child{margin-bottom:0;}
/* version list */
.version-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);}
.version-row{
 display:grid;grid-template-columns:200px minmax(0,1fr) 150px;gap:22px;align-items:center;
 padding:22px 26px;border-bottom:1px solid var(--line);transition:.2s;
}
.version-row:last-child{border-bottom:0;}
.version-row:hover{background:#fafbff;}
.version-row strong{font-size:16px;color:var(--ink);display:block;}
.version-row small{display:block;font-size:12.5px;color:#8b92aa;margin-top:3px;letter-spacing:.4px;}
.version-row p{font-size:14.5px;color:var(--muted);margin:0;}
.pill{
 justify-self:start;font-size:12.5px;font-weight:800;padding:5px 13px;border-radius:999px;
 background:#f3f5fd;color:#3d4670;border:1px solid var(--line);white-space:nowrap;
}
.pill-gold{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.4);color:#8a5a00;}
/* faq */
.faq{max-width:900px;margin:0 auto;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.2s;
}
.faq-item[open]{border-color:#f0dcae;box-shadow:var(--shadow);}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:18px;
 padding:18px 24px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 background:rgba(255,180,0,.14);color:#8a5a00;font-weight:900;font-size:16px;
}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.9;}
/* cta */
.cta-band{
 position:relative;overflow:hidden;background:linear-gradient(120deg,var(--ink-deep) 0%,var(--ink-soft) 58%,#33305c 100%);
 color:#fff;padding:58px 0;
}
.cta-band::after{
 content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.32),transparent 66%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:10px;}
.cta-inner p{color:#c3cbe6;font-size:15px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
/* ============ Footer ============ */
.site-footer{background:var(--ink-deep);color:#a9b1d3;padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr) minmax(0,1fr);gap:42px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.4px;}
.footer-about{font-size:14px;line-height:1.9;color:#98a1c4;max-width:520px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:#a9b1d3;transition:.2s;}
.footer-col ul li a:hover{color:var(--gold-light);}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:#7f88ad;
}
/* ============ Responsive ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
 .rule-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
 .split{grid-template-columns:1fr;gap:32px;}
 .version-row{grid-template-columns:170px minmax(0,1fr);}
 .version-row .pill{grid-column:2;justify-self:start;}
 .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px;}
}
@media (max-width:768px){
 .topbar-inner{flex-wrap:wrap;gap:14px;padding:14px 20px;}
 .brand{order:1;}
 .topbar-cta{order:2;margin-left:auto;padding:8px 16px;font-size:13px;}
 .search{order:3;flex:1 1 100%;max-width:none;}
 .channelbar-inner{padding:0 12px;}
 .channel{padding:13px 14px;font-size:14px;}
 .hero-inner{padding:34px 20px 52px;}
 .section{padding:56px 0;}
 .section-head{margin-bottom:30px;}
 .note-strip{grid-template-columns:1fr;}
 .compare-grid{grid-template-columns:1fr;}
 .version-row{grid-template-columns:1fr;gap:10px;padding:20px;}
 .version-row .pill{grid-column:auto;}
 .cta-inner{flex-direction:column;align-items:flex-start;}
 .footer-grid{grid-template-columns:1fr;gap:30px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
 .page-hero h1{font-size:27px;}
 .hero-lead{font-size:15px;}
 .hero-actions .btn{width:100%;}
 .stat-strip{grid-template-columns:1fr;}
 .rule-grid{grid-template-columns:1fr;}
 .flow{grid-template-columns:1fr;}
 .hero-panel{padding:22px 18px;}
 .faq-item summary{padding:16px 18px;font-size:15px;}
 .faq-body{padding:0 18px 18px;}
 .cta-band{padding:44px 0;}
}

/* roulang page: category3 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#242b52;
 --ink-deep:#12162e;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --gold-deep:#ff9500;
 --cyan:#37e0d8;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1c2033;
 --muted:#5d6479;
 --line:#e3e6f0;
 --radius-sm:8px;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 10px 30px rgba(26,31,61,.09);
 --shadow-lg:0 24px 60px rgba(26,31,61,.16);
 --gap:24px;
}
html{-webkit-text-size-adjust:100%;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--gold-deep);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
/* Header */
.site-header{position:relative;z-index:50;}
.topbar{background:var(--ink-deep);border-bottom:1px solid rgba(255,255,255,.07);}
.topbar-inner{display:flex;align-items:center;gap:26px;min-height:76px;padding:10px 20px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
 width:42px;height:42px;border-radius:13px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 display:grid;place-items:center;font-size:20px;font-weight:900;color:var(--ink);
 box-shadow:0 8px 20px rgba(255,150,0,.3);
}
.brand-text strong{display:block;font-size:16px;color:#fff;font-weight:800;letter-spacing:.4px;line-height:1.3;}
.brand-text small{display:block;font-size:11px;color:#8e97bd;letter-spacing:1.6px;margin-top:2px;}
.search{
 flex:1 1 auto;max-width:400px;display:flex;align-items:center;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
 border-radius:10px;padding:4px 4px 4px 14px;transition:.25s;
}
.search:focus-within{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.11);}
.search input{flex:1;background:transparent;border:0;color:#fff;font-size:14px;padding:8px 0;min-width:0;}
.search input::placeholder{color:#8a93b8;}
.search input:focus{outline:none;}
.search button{
 border:0;border-radius:8px;padding:8px 16px;font-size:13.5px;font-weight:700;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));color:var(--ink);transition:.2s;
}
.search button:hover{filter:brightness(1.06);}
.topbar-cta{
 margin-left:auto;flex:0 0 auto;padding:10px 22px;border-radius:10px;font-size:14px;font-weight:700;
 color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 box-shadow:0 8px 20px rgba(255,150,0,.26);transition:.22s;
}
.topbar-cta:hover{transform:translateY(-2px);color:var(--ink);box-shadow:0 12px 26px rgba(255,150,0,.36);}
.channelbar{background:var(--ink);border-bottom:1px solid rgba(255,255,255,.06);}
.channelbar-inner{display:flex;gap:6px;overflow-x:auto;padding:0 20px;scrollbar-width:none;}
.channelbar-inner::-webkit-scrollbar{display:none;}
.channel{
 flex:0 0 auto;padding:15px 20px;font-size:14.5px;font-weight:700;color:#b6bede;
 border-bottom:3px solid transparent;transition:.2s;white-space:nowrap;
}
.channel:hover{color:#fff;background:rgba(255,255,255,.05);}
.channel.active{color:var(--gold-light);border-bottom-color:var(--gold);background:rgba(255,180,0,.08);}
/* Page hero (creator header style) */
.cat-hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34;}
.cat-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(105deg,rgba(13,17,38,.97) 0%,rgba(26,31,61,.92) 46%,rgba(26,31,61,.6) 100%);
}
.cat-hero-inner{position:relative;z-index:2;padding:56px 20px 54px;}
.creator-row{display:flex;align-items:flex-start;gap:24px;flex-wrap:wrap;}
.creator-avatar{
 width:92px;height:92px;border-radius:24px;flex:0 0 auto;overflow:hidden;
 border:2px solid rgba(255,180,0,.5);box-shadow:0 14px 34px rgba(0,0,0,.4);
}
.creator-avatar img{width:100%;height:100%;object-fit:cover;}
.creator-main{flex:1 1 420px;min-width:0;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:#98a1c6;align-items:center;}
.crumb a{color:#c6cde8;}
.crumb a:hover{color:var(--gold-light);}
.crumb span{color:#6d769c;}
.cat-hero h1{
 color:#fff;font-size:clamp(26px,3.9vw,42px);line-height:1.26;margin:14px 0 0;letter-spacing:-.6px;
}
.cat-hero h1 em{font-style:normal;color:var(--gold-light);}
.cat-lead{max-width:760px;color:#c2cae6;font-size:15.8px;line-height:1.85;margin-top:16px;}
.badge-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px;}
.pill{
 display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
 font-size:12.8px;color:#d6dcf2;font-weight:600;
}
.pill.gold{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.42);color:var(--gold-light);}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:inline-block;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 26px;border-radius:10px;font-size:14.8px;font-weight:800;
 border:1px solid transparent;transition:.22s;line-height:1.2;
}
.btn-gold{background:linear-gradient(135deg,#ffc233,var(--gold-deep));color:var(--ink);box-shadow:0 12px 26px rgba(255,150,0,.3);}
.btn-gold:hover{transform:translateY(-2px);color:var(--ink);box-shadow:0 18px 34px rgba(255,150,0,.42);}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-sm);}
.btn-outline:hover{border-color:var(--gold);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow);}
.hero-metrics{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin-top:34px;
 background:rgba(255,255,255,.14);border-radius:14px;overflow:hidden;
}
.hero-metric{background:rgba(18,22,46,.84);padding:16px 18px;}
.hero-metric b{display:block;font-size:22px;color:var(--gold-light);font-weight:900;letter-spacing:-.4px;}
.hero-metric span{display:block;font-size:12.5px;color:#a9b1d3;margin-top:3px;}
/* Sections */
.section{padding:74px 0;}
.section-surface{background:var(--surface);}
.section-tint{background:linear-gradient(180deg,#eef0f9 0%,var(--bg) 100%);}
.section-dark{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.section-dark::before{content:"";position:absolute;inset:0;background-size:cover;background-position:center;opacity:.14;}
.section-dark .container{position:relative;z-index:2;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark .section-head p{color:#b3bbdb;}
.section-dark .eyebrow{color:var(--gold-light);}
.section-head{max-width:730px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2.4px;color:#a97b00;text-transform:uppercase;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);margin:12px 0 14px;line-height:1.32;}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;}
/* Playbook cards */
.play-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.play-card{
 height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 24px;box-shadow:var(--shadow-sm);transition:.25s;position:relative;overflow:hidden;
}
.play-card::before{
 content:"";position:absolute;left:0;top:0;width:100%;height:4px;
 background:linear-gradient(90deg,var(--gold),var(--cyan));opacity:0;transition:.25s;
}
.play-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8ddec;}
.play-card:hover::before{opacity:1;}
.play-card .num{
 display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;
 background:rgba(26,31,61,.06);color:var(--ink);font-weight:900;font-size:15px;margin-bottom:14px;
}
.play-card h3{font-size:18px;margin:0 0 10px;line-height:1.4;}
.play-card p{color:var(--muted);font-size:14.6px;margin:0;line-height:1.8;}
.tag{display:inline-block;margin-top:14px;font-size:12px;font-weight:700;color:#8a6100;background:rgba(255,180,0,.14);padding:4px 10px;border-radius:6px;}
/* Split content */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);position:relative;}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.split-body h2{font-size:clamp(22px,2.5vw,30px);margin:10px 0 16px;line-height:1.34;}
.split-body p{color:var(--muted);font-size:15.5px;margin:0 0 14px;}
.check-list{list-style:none;padding:0;margin:20px 0 0;}
.check-list li{
 position:relative;padding-left:28px;margin-bottom:13px;color:var(--text);font-size:15px;line-height:1.72;
}
.check-list li::before{
 content:"";position:absolute;left:0;top:8px;width:15px;height:15px;border-radius:5px;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 box-shadow:0 3px 8px rgba(255,150,0,.3);
}
.check-list li b{color:var(--ink);}
/* Rhythm timeline */
.rhythm{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:8px;}
.rhythm-item{
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.13);border-radius:var(--radius);
 padding:22px 20px;transition:.25s;
}
.rhythm-item:hover{background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.45);transform:translateY(-3px);}
.rhythm-item span{font-size:12px;letter-spacing:1.6px;color:var(--gold-light);font-weight:800;}
.rhythm-item h3{font-size:17px;margin:9px 0 8px;}
.rhythm-item p{color:#b3bbdb;font-size:14.2px;margin:0;line-height:1.78;}
/* Scenario table-ish cards */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.scene-card{
 background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--gold);
 border-radius:var(--radius);padding:24px 24px;box-shadow:var(--shadow-sm);transition:.24s;
}
.scene-card:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.scene-card h3{font-size:17.5px;margin:0 0 10px;}
.scene-card p{color:var(--muted);font-size:14.8px;margin:0 0 10px;}
.scene-card ul{margin:0;padding-left:18px;color:var(--muted);font-size:14.4px;line-height:1.8;}
.scene-card ul li{margin-bottom:5px;}
/* Metrics band */
.metric-band{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.metric-box{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:28px 26px;box-shadow:var(--shadow-sm);text-align:left;
}
.metric-box b{display:block;font-size:32px;font-weight:900;color:var(--ink);letter-spacing:-1px;line-height:1.2;}
.metric-box b em{font-style:normal;font-size:16px;color:var(--gold-deep);margin-left:3px;}
.metric-box span{display:block;color:var(--muted);font-size:14.5px;margin-top:8px;}
/* Article list */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{
 height:100%;display:flex;flex-direction:column;background:var(--surface);
 border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow-sm);transition:.25s;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8ddec;}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-soft);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-thumb .post-tag{
 position:absolute;left:12px;top:12px;padding:4px 11px;border-radius:6px;font-size:11.5px;font-weight:800;
 background:rgba(18,22,46,.86);color:var(--gold-light);backdrop-filter:blur(4px);
}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:16.5px;line-height:1.48;margin:0 0 9px;}
.post-body h3 a:hover{color:var(--gold-deep);}
.post-body p{color:var(--muted);font-size:14.2px;margin:0 0 14px;line-height:1.78;}
.post-meta{margin-top:auto;display:flex;justify-content:space-between;gap:10px;font-size:12.5px;color:#8b92a8;}
.post-more{display:inline-block;font-size:13.5px;font-weight:800;color:var(--gold-deep);}
.post-more:hover{color:var(--ink);}
.list-empty{
 background:var(--surface);border:1px dashed #cdd3e4;border-radius:var(--radius);
 padding:34px 26px;text-align:center;color:var(--muted);font-size:15px;
}
/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.2s;
}
.faq-item[open]{border-color:rgba(255,180,0,.55);box-shadow:var(--shadow);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:20px 54px 20px 22px;position:relative;
 font-size:16px;font-weight:800;color:var(--ink);line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
 font-size:22px;font-weight:400;color:var(--gold-deep);transition:.2s;
}
.faq-item[open] summary::after{content:"–";}
.faq-item .faq-body{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.85;}
.faq-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:-2px;}
/* CTA */
.cta-band{
 position:relative;overflow:hidden;background:linear-gradient(120deg,var(--ink-deep),var(--ink-soft) 62%,#2b3363);
 border-radius:var(--radius-lg);padding:46px 42px;color:#fff;box-shadow:var(--shadow-lg);
 display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band::before{
 content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.28),transparent 68%);
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);margin:0 0 10px;color:#fff;position:relative;}
.cta-band p{margin:0;color:#c2cae6;font-size:15px;max-width:620px;position:relative;}
.cta-band .btn{position:relative;}
/* Footer */
.site-footer{background:var(--ink-deep);color:#a9b1d3;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;padding-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;}
.footer-about{font-size:14px;line-height:1.85;color:#8b94b8;margin:0;max-width:420px;}
.footer-col h4{color:#fff;font-size:14.5px;margin:0 0 14px;font-weight:800;letter-spacing:.4px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#98a1c6;}
.footer-col a:hover{color:var(--gold-light);}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.09);padding:18px 0 24px;
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:13px;color:#7a83a8;
}
/* Responsive */
@media screen and (max-width:1024px){
 .play-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .rhythm{grid-template-columns:repeat(2,minmax(0,1fr));}
 .split{grid-template-columns:1fr;gap:30px;}
 .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .section{padding:60px 0;}
}
@media screen and (max-width:768px){
 .topbar-inner{flex-wrap:wrap;gap:14px;min-height:auto;padding:14px 20px;}
 .search{order:3;max-width:100%;flex:1 1 100%;}
 .topbar-cta{margin-left:0;order:2;}
 .brand-text small{display:none;}
 .channelbar-inner{padding:0 12px;}
 .channel{padding:13px 15px;font-size:14px;}
 .cat-hero-inner{padding:40px 20px 42px;}
 .creator-avatar{width:74px;height:74px;border-radius:20px;}
 .scene-grid{grid-template-columns:1fr;}
 .metric-band{grid-template-columns:1fr;}
 .cta-band{padding:34px 26px;}
 .footer-grid{grid-template-columns:1fr;}
 .footer-bottom{flex-direction:column;}
}
@media screen and (max-width:520px){
 .play-grid{grid-template-columns:1fr;}
 .post-grid{grid-template-columns:1fr;}
 .rhythm{grid-template-columns:1fr;}
 .hero-metrics{grid-template-columns:1fr;}
 .hero-actions .btn{width:100%;}
 .cat-hero h1{font-size:25px;}
 .section{padding:48px 0;}
 .section-head{margin-bottom:30px;}
 .metric-box b{font-size:27px;}
}

/* roulang page: category2 */
:root{
 --ink:#1a1f3d;
 --ink-soft:#242b52;
 --ink-deep:#12162e;
 --gold:#ffb400;
 --gold-light:#ffd166;
 --gold-deep:#ff9500;
 --cyan:#37e0d8;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1c2033;
 --muted:#5d6479;
 --line:#e3e6f0;
 --radius-sm:8px;
 --radius:12px;
 --radius-lg:20px;
 --shadow-sm:0 2px 10px rgba(26,31,61,.06);
 --shadow:0 10px 30px rgba(26,31,61,.09);
 --shadow-lg:0 24px 60px rgba(26,31,61,.16);
 --gap:24px;
}
*,*::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","Helvetica Neue",Arial,sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--gold-deep);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--ink);font-weight:800;}
p{margin:0;}
:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:2px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

/* ============ Header ============ */
.site-header{position:relative;z-index:50;}
.topbar{background:var(--ink-deep);border-bottom:1px solid rgba(255,255,255,.07);}
.topbar-inner{display:flex;align-items:center;gap:26px;min-height:76px;padding:10px 20px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
 width:42px;height:42px;border-radius:13px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 display:grid;place-items:center;font-size:20px;font-weight:900;color:var(--ink);
 box-shadow:0 8px 20px rgba(255,150,0,.3);
}
.brand-text strong{display:block;font-size:16px;color:#fff;font-weight:800;letter-spacing:.4px;line-height:1.3;}
.brand-text small{display:block;font-size:11px;color:#8e97bd;letter-spacing:1.6px;margin-top:2px;}
.search{
 flex:1 1 auto;max-width:400px;display:flex;align-items:center;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
 border-radius:10px;padding:4px 4px 4px 14px;transition:.25s;
}
.search:focus-within{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.11);}
.search input{flex:1;background:transparent;border:0;color:#fff;font-size:14px;padding:8px 0;min-width:0;}
.search input::placeholder{color:#8a93b8;}
.search input:focus{outline:none;}
.search button{
 border:0;border-radius:8px;padding:8px 16px;font-size:13.5px;font-weight:700;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));color:var(--ink);transition:.2s;
}
.search button:hover{filter:brightness(1.06);}
.topbar-cta{
 margin-left:auto;flex:0 0 auto;padding:10px 22px;border-radius:10px;font-size:14px;font-weight:700;
 color:var(--ink);background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 box-shadow:0 8px 20px rgba(255,150,0,.26);transition:.22s;
}
.topbar-cta:hover{transform:translateY(-2px);color:var(--ink);box-shadow:0 12px 26px rgba(255,150,0,.36);}

/* ============ Channel Tabs ============ */
.channelbar{background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(26,31,61,.04);}
.channelbar-inner{display:flex;align-items:center;gap:8px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none;}
.channelbar-inner::-webkit-scrollbar{display:none;}
.channel{
 display:inline-flex;align-items:center;padding:9px 20px;border-radius:999px;
 font-size:14.5px;font-weight:600;color:var(--muted);white-space:nowrap;
 border:1px solid transparent;transition:.22s;
}
.channel:hover{color:var(--ink);background:#eef0f9;border-color:var(--line);}
.channel.active{
 color:var(--ink);font-weight:800;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 border-color:transparent;box-shadow:0 6px 16px rgba(255,150,0,.28);
}
.channel.active:hover{color:var(--ink);}

/* ============ Buttons ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 28px;border-radius:10px;font-size:15px;font-weight:800;
 border:1px solid transparent;transition:.22s;line-height:1.2;text-align:center;
}
.btn-gold{background:linear-gradient(135deg,#ffc233,var(--gold-deep));color:var(--ink);box-shadow:0 12px 26px rgba(255,150,0,.3);}
.btn-gold:hover{transform:translateY(-2px);color:var(--ink);box-shadow:0 18px 34px rgba(255,150,0,.42);}
.btn-ghost{border-color:rgba(255,255,255,.3);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink);box-shadow:var(--shadow-sm);}
.btn-outline:hover{border-color:var(--gold);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-sm{padding:10px 20px;font-size:13.5px;border-radius:9px;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.4;}
.hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(13,17,38,.97) 0%,rgba(26,31,61,.92) 46%,rgba(26,31,61,.6) 100%);
}
.hero-inner{position:relative;z-index:2;padding:68px 20px 66px;}
.hero-grid{display:grid;grid-template-columns:1.32fr .88fr;gap:46px;align-items:start;}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;padding:6px 15px;border-radius:999px;
 background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.42);
 color:var(--gold-light);font-size:13px;font-weight:600;letter-spacing:.5px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block;box-shadow:0 0 0 4px rgba(255,180,0,.16);}
.hero h1{color:#fff;margin-top:22px;font-size:clamp(28px,4vw,46px);line-height:1.24;letter-spacing:-1px;max-width:18em;}
.hero h1 em{font-style:normal;color:var(--gold-light);}
.hero-lead{max-width:660px;margin-top:20px;color:#c6cde8;font-size:16px;line-height:1.86;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
 display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:38px;
 background:rgba(255,255,255,.14);border-radius:14px;overflow:hidden;max-width:660px;
}
.hero-stat{background:rgba(18,22,46,.82);padding:16px 18px;}
.hero-stat b{display:block;font-size:23px;color:var(--gold-light);font-weight:900;letter-spacing:-.5px;}
.hero-stat span{display:block;font-size:12.5px;color:#a9b1d3;margin-top:4px;}

/* Tier compare card */
.tier-card{
 background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-lg);
}
.tier-head{padding:4px 4px 14px;border-bottom:1px dashed rgba(255,255,255,.16);margin-bottom:14px;}
.tier-head span{display:block;font-size:11.5px;letter-spacing:2.4px;color:var(--gold-light);font-weight:800;}
.tier-head b{display:block;color:#fff;font-size:16px;margin-top:6px;font-weight:800;}
.tier{
 background:rgba(18,22,46,.6);border:1px solid rgba(255,255,255,.12);
 border-radius:var(--radius);padding:16px 16px 14px;margin-bottom:12px;transition:.25s;position:relative;
}
.tier:last-child{margin-bottom:0;}
.tier:hover{border-color:rgba(255,180,0,.4);}
.tier h3{color:#fff;font-size:16px;font-weight:800;display:flex;align-items:center;gap:8px;}
.tier p{color:#a9b1d3;font-size:13px;line-height:1.7;margin-top:7px;}
.tier ul{margin:10px 0 0;padding:0;list-style:none;}
.tier ul li{font-size:12.8px;color:#c6cde8;padding-left:16px;position:relative;line-height:1.85;}
.tier ul li::before{content:"";position:absolute;left:2px;top:.68em;width:5px;height:5px;border-radius:50%;background:var(--gold);}
.tier-recommend{
 background:linear-gradient(160deg,rgba(255,180,0,.16),rgba(255,149,0,.05));
 border-color:rgba(255,180,0,.55);box-shadow:0 12px 30px rgba(255,150,0,.18);
}
.tier-tag{
 position:absolute;top:-11px;right:14px;padding:2px 12px;border-radius:999px;
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
 color:var(--ink);font-size:11.5px;font-weight:900;letter-spacing:.5px;
}
.tier .tier-btn{margin-top:12px;width:100%;}

/* ============ Sections ============ */
.section{padding:76px 0;}
.section-surface{background:var(--surface);}
.section-tint{background:linear-gradient(180deg,#eef0f9 0%,var(--bg) 100%);}
.section-dark{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.section-dark::before{content:"";position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16;}
.section-dark::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,22,46,.92),rgba(26,31,61,.96));}
.section-dark .container{position:relative;z-index:2;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark p{color:#b8c0de;}
.section-head{max-width:740px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:2.6px;color:#a97b00;text-transform:uppercase;}
.section-dark .eyebrow{color:var(--gold-light);}
.section-head h2{font-size:clamp(23px,2.7vw,32px);margin:12px 0 14px;}
.section-head p{color:var(--muted);font-size:15.5px;}
.section-dark .section-head p{color:#b8c0de;}

/* ============ Grids ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.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;}

/* ============ Tactic cards ============ */
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
 height:100%;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(255,180,0,.45);}
.tactic-card{padding:26px 22px;display:flex;flex-direction:column;gap:10px;}
.tactic-num{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,#fff6e0,#ffe1a8);color:#a06a00;
 font-weight:900;font-size:15px;border:1px solid rgba(255,180,0,.35);
}
.tactic-card h3{font-size:17px;}
.tactic-card p{color:var(--muted);font-size:14px;line-height:1.8;}
.chip{
 display:inline-block;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:700;
 background:#eef0f9;color:#4a5270;border:1px solid var(--line);
}
.chip-gold{background:rgba(255,180,0,.14);color:#8d5f00;border-color:rgba(255,180,0,.42);}
.chip-cyan{background:rgba(55,224,216,.14);color:#0e7b76;border-color:rgba(55,224,216,.4);}

/* ============ Flow ============ */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;position:relative;}
.flow-step{
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:22px 20px;transition:.25s;
}
.flow-step:hover{background:rgba(255,180,0,.09);border-color:rgba(255,180,0,.45);transform:translateY(-3px);}
.flow-step b{display:block;font-size:12px;letter-spacing:2px;color:var(--gold-light);font-weight:800;}
.flow-step h3{font-size:16.5px;margin:9px 0 8px;}
.flow-step p{font-size:13.5px;line-height:1.78;color:#b8c0de;}

/* ============ Node list ============ */
.node-list{display:grid;gap:14px;}
.node-row{
 display:grid;grid-template-columns:132px 1fr 168px;gap:20px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:18px 22px;box-shadow:var(--shadow-sm);transition:.25s;
}
.node-row:hover{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow);transform:translateX(4px);}
.node-range{font-weight:900;color:var(--ink);font-size:15px;}
.node-range small{display:block;font-weight:600;color:var(--muted);font-size:12px;letter-spacing:.5px;}
.node-row p{font-size:14px;color:var(--muted);line-height:1.75;}
.node-row .chip{justify-self:end;text-align:center;}

/* ============ Split media ============ */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center;}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,22,46,0) 45%,rgba(18,22,46,.55));}
.split-body h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.split-body p{color:var(--muted);font-size:15px;line-height:1.86;}
.check-list{margin:20px 0 0;padding:0;list-style:none;display:grid;gap:10px;}
.check-list li{position:relative;padding-left:28px;font-size:14.5px;color:#333a55;line-height:1.7;}
.check-list li::before{
 content:"✓";position:absolute;left:0;top:1px;width:19px;height:19px;border-radius:6px;
 display:grid;place-items:center;font-size:11px;font-weight:900;color:var(--ink);
 background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}

/* ============ Case cards ============ */
.case-card{display:flex;flex-direction:column;}
.case-card .thumb{position:relative;overflow:hidden;}
.case-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.case-card:hover .thumb img{transform:scale(1.06);}
.case-card .thumb span{
 position:absolute;left:14px;top:14px;padding:3px 11px;border-radius:999px;
 background:rgba(18,22,46,.82);color:var(--gold-light);font-size:11.5px;font-weight:800;letter-spacing:.6px;
 border:1px solid rgba(255,180,0,.4);
}
.case-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1;}
.case-body h3{font-size:16.5px;line-height:1.45;}
.case-body p{font-size:13.8px;color:var(--muted);line-height:1.78;flex:1;}
.case-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px;}

/* ============ Mistakes ============ */
.mistake-list{display:grid;gap:14px;margin:0;padding:0;list-style:none;}
.mistake-list li{
 background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--gold);
 border-radius:var(--radius-sm);padding:16px 20px;box-shadow:var(--shadow-sm);transition:.25s;
}
.mistake-list li:hover{box-shadow:var(--shadow);transform:translateY(-2px);}
.mistake-list strong{display:block;color:var(--ink);font-size:15px;margin-bottom:4px;}
.mistake-list span{color:var(--muted);font-size:14px;line-height:1.75;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:.25s;
}
.faq-item[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:19px 54px 19px 22px;position:relative;
 font-size:15.5px;font-weight:800;color:var(--ink);transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:#a06a00;}
.faq-item summary::after{
 content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
 width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 background:#eef0f9;color:var(--ink);font-size:16px;font-weight:900;transition:.25s;
}
.faq-item[open] summary::after{content:"−";background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));color:var(--ink);}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.86;border-top:1px dashed var(--line);padding-top:16px;}

/* ============ CTA band ============ */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 background:linear-gradient(120deg,var(--ink-deep),#2b3268 65%,#3a3f7a);
 padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
 box-shadow:var(--shadow-lg);
}
.cta-band::before{
 content:"";position:absolute;right:-70px;top:-70px;width:250px;height:250px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,180,0,.4),transparent 68%);
}
.cta-band .cta-text{position:relative;z-index:2;max-width:640px;}
.cta-band h2{color:#fff;font-size:clamp(21px,2.4vw,28px);margin-bottom:10px;}
.cta-band p{color:#bcc4e2;font-size:14.5px;line-height:1.85;}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ Footer ============ */
.site-footer{background:var(--ink-deep);color:#a9b1d3;padding:62px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr .8fr .8fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;}
.footer-brand strong{color:#fff;font-size:16.5px;font-weight:800;}
.footer-about{margin-top:16px;font-size:14px;line-height:1.92;color:#9aa3c7;max-width:42em;}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:800;letter-spacing:.6px;margin-bottom:16px;}
.footer-col ul{margin:0;padding:0;list-style:none;display:grid;gap:10px;}
.footer-col li a{font-size:14px;color:#9aa3c7;transition:.2s;}
.footer-col li a:hover{color:var(--gold-light);}
.footer-bottom{
 display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
 border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding:22px 0 26px;font-size:13px;color:#7f88ad;
}

/* ============ Responsive ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .tier-card{max-width:560px;}
 .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
 .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
 .split{grid-template-columns:1fr;gap:28px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
 .node-row{grid-template-columns:118px 1fr;}
 .node-row .chip{grid-column:2;justify-self:start;}
}
@media (max-width:860px){
 .topbar-inner{flex-wrap:wrap;gap:14px;padding-top:14px;padding-bottom:14px;}
 .search{order:3;flex:1 1 100%;max-width:none;}
 .topbar-cta{margin-left:auto;}
}
@media (max-width:768px){
 .section{padding:56px 0;}
 .hero-inner{padding:52px 20px 50px;}
 .grid-3,.grid-2,.grid-4{grid-template-columns:1fr;}
 .hero-stats{grid-template-columns:1fr;max-width:100%;}
 .hero-stat{border-bottom:1px solid rgba(255,255,255,.08);}
 .cta-band{padding:32px 26px;}
 .footer-grid{grid-template-columns:1fr;}
 .node-row{grid-template-columns:1fr;gap:10px;}
 .node-row .chip{grid-column:1;}
 .brand-text strong{font-size:15px;}
}
@media (max-width:520px){
 .brand-text small{display:none;}
 .topbar-cta{padding:9px 16px;font-size:13px;}
 .search button{padding:8px 12px;}
 .hero h1{font-size:26px;letter-spacing:-.5px;}
 .hero-lead{font-size:14.8px;}
 .btn{width:100%;padding:13px 20px;}
 .hero-actions .btn{width:auto;flex:1 1 100%;}
 .section-head h2{font-size:21px;}
 .faq-item summary{font-size:14.5px;padding:16px 48px 16px 18px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
}