/* roulang page: index */
:root{
  --deep:#1a1f3d;
  --deep-2:#12163a;
  --ink:#0d1130;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --cyan:#2de2e6;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --text:#1b1f36;
  --muted:#626a8a;
  --line:#e4e7f3;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(18,24,60,.08);
  --shadow-lg:0 22px 54px rgba(18,24,60,.16);
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:.2px}
p{margin:0}
:focus-visible{outline:3px solid rgba(255,180,0,.65);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#11142f;color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.07)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:17px;letter-spacing:.4px;color:#fff}
.brand-mark{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--gold),#ff7a00);display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:17px;box-shadow:0 8px 20px rgba(255,180,0,.35);flex:none}
.brand small{display:block;font-size:11px;font-weight:500;color:#96a0c8;letter-spacing:2px;line-height:1.4}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:9px 15px;border-radius:999px;font-size:14.5px;color:#c6cdea;transition:background .2s,color .2s,transform .2s;white-space:nowrap}
.nav a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav a.is-active{color:#1a1f3d;background:linear-gradient(135deg,var(--gold),#ff9a00);font-weight:800;box-shadow:0 8px 20px rgba(255,180,0,.25)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- step bar ---------- */
.stepbar{background:#0d1030;border-top:1px solid rgba(255,255,255,.06)}
.stepbar-inner{display:flex;align-items:center;gap:6px;padding:9px 0;overflow-x:auto;scrollbar-width:none}
.stepbar-inner::-webkit-scrollbar{display:none}
.step{display:flex;align-items:center;gap:9px;padding:6px 12px;border-radius:999px;font-size:13px;color:#96a0c8;white-space:nowrap;transition:.2s;position:relative}
.step::after{content:"";width:30px;height:1px;background:rgba(255,255,255,.14);margin-left:6px}
.step:last-child::after{display:none}
.step-no{width:22px;height:22px;border-radius:50%;border:1px solid rgba(255,255,255,.25);display:grid;place-items:center;font-size:11px;font-weight:700;flex:none}
.step:hover{color:var(--gold-2)}
.step.is-active{color:var(--gold-2)}
.step.is-active .step-no{background:linear-gradient(135deg,var(--gold),#ff9a00);color:#1a1f3d;border-color:transparent;font-weight:900}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#0f1330;color:#fff;padding:70px 0 84px}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32}
.hero-overlay{position:absolute;inset:0;background:
  radial-gradient(900px 480px at 10% -10%,rgba(255,180,0,.22),transparent 62%),
  radial-gradient(760px 420px at 92% 8%,rgba(45,226,230,.16),transparent 60%),
  linear-gradient(158deg,#131741 8%,#1a1f3d 52%,#0b0f2c 100%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:46px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.4);color:var(--gold-2);font-size:13px;letter-spacing:.6px;margin-bottom:20px}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18);display:block}
.hero h1{font-size:clamp(29px,3.9vw,48px);font-weight:900;letter-spacing:.5px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--gold-2);background:linear-gradient(120deg,#ffd166,#ff9a00);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-lead{font-size:15.5px;color:#c3cbe9;max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 28px;border-radius:999px;font-weight:800;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn-gold{background:linear-gradient(135deg,var(--gold),#ff8f00);color:#1a1f3d;box-shadow:0 12px 28px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,180,0,.42)}
.btn-ghost{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.26);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}
.btn-dark{background:var(--deep);color:#fff;box-shadow:0 12px 26px rgba(18,24,60,.22)}
.btn-dark:hover{transform:translateY(-2px);background:#232a52}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:10px 18px;min-width:112px}
.hero-stats dt{font-size:12px;color:#93a0cb;letter-spacing:.5px}
.hero-stats dd{margin:0;font-size:19px;font-weight:900;color:var(--gold-2)}

.hero-panel{background:rgba(14,18,45,.76);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:26px 24px;backdrop-filter:blur(10px);box-shadow:0 28px 64px rgba(0,0,0,.4)}
.ring{width:168px;height:168px;border-radius:50%;margin:0 auto 16px;position:relative;display:grid;place-items:center;background:conic-gradient(#ffb400 calc(var(--p,93) * 1%),rgba(255,255,255,.1) 0)}
.ring::before{content:"";position:absolute;inset:13px;border-radius:50%;background:#111635;border:1px solid rgba(255,255,255,.08)}
.ring-inner{position:relative;text-align:center}
.ring-inner strong{display:block;font-size:36px;line-height:1.1;font-weight:900;color:var(--gold-2)}
.ring-inner strong small{font-size:15px;margin-left:2px;color:#ffd166}
.ring-inner span{font-size:12px;color:#93a0cb;letter-spacing:1.5px}
.panel-note{text-align:center;font-size:13px;color:#a6b0d4;margin-bottom:18px}
.tier-list{display:grid;gap:9px;margin-bottom:18px}
.tier-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px 14px;font-size:13px;color:#c6cdea}
.tier-list b{color:var(--gold-2);font-size:15px;font-weight:900}
.tier-list li.is-top{background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.45)}
.panel-link{display:block;text-align:center;font-size:13.5px;color:var(--gold-2);padding-top:4px;border-top:1px dashed rgba(255,255,255,.16);margin-top:4px}
.panel-link:hover{color:#fff}

/* ---------- sections ---------- */
.section{padding:84px 0}
.section--plain{background:var(--bg)}
.section--white{background:#fff}
.section--dark{background:linear-gradient(152deg,#1a1f3d 0%,#141838 58%,#0c1030 100%);color:#e8ecfb}
.section-head{max-width:760px;margin-bottom:38px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:2px;font-weight:800;color:#b48100;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);padding:5px 14px;border-radius:999px;margin-bottom:14px}
.section--dark .eyebrow{color:var(--gold-2);background:rgba(255,180,0,.12)}
.section h2{font-size:clamp(23px,2.7vw,33px);font-weight:900}
.section-head p{margin-top:14px;color:var(--muted);font-size:15px}
.section--dark .section-head p{color:#aeb8db}
.section-head h2 em{font-style:normal;color:#c98a00}
.section--dark .section-head h2 em{color:var(--gold-2)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}

/* ---------- cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .24s,box-shadow .24s,border-color .24s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#d6dcef}
.feature-card{padding:28px 26px}
.feature-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-weight:900;font-size:17px;color:#1a1f3d;background:linear-gradient(135deg,var(--gold-2),var(--gold));box-shadow:0 10px 22px rgba(255,180,0,.28);margin-bottom:18px}
.feature-card h3{font-size:18.5px;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--muted)}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:#8a5f00;background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.34);padding:3px 11px;border-radius:999px;letter-spacing:.4px}
.section--dark .tag{color:var(--gold-2);background:rgba(255,180,0,.14)}

/* mechanics */
.mech{display:grid;grid-template-columns:.94fr 1.06fr;gap:44px;align-items:center}
.mech-figure{position:relative;border-radius:22px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.mech-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.mech-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:16px 20px;background:linear-gradient(180deg,transparent,rgba(13,17,48,.92));color:#fff;font-size:13.5px}
.mech-list{display:grid;gap:16px;margin-top:24px}
.mech-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;box-shadow:0 6px 18px rgba(18,24,60,.05);transition:transform .22s,box-shadow .22s}
.mech-item:hover{transform:translateX(4px);box-shadow:0 12px 26px rgba(18,24,60,.1)}
.mech-num{flex:none;width:36px;height:36px;border-radius:11px;background:var(--deep);color:var(--gold-2);display:grid;place-items:center;font-weight:900;font-size:14px}
.mech-item h4{font-size:16px;margin-bottom:4px}
.mech-item p{font-size:14px;color:var(--muted)}

/* channel matrix */
.channel{display:block;padding:26px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .24s,box-shadow .24s,border-color .24s;position:relative;overflow:hidden}
.channel::after{content:"";position:absolute;right:-24px;top:-24px;width:86px;height:86px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.24),transparent 68%)}
.channel:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#ffd88a}
.channel h3{font-size:17.5px;margin:14px 0 8px}
.channel p{font-size:14px;color:var(--muted);min-height:44px}
.channel .more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:800;color:#b48100;margin-top:12px}
.channel .more::after{content:"→";transition:transform .2s}
.channel:hover .more::after{transform:translateX(4px)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);position:relative}
.step-card::before{counter-increment:step;content:"0" counter(step);position:absolute;top:18px;right:22px;font-size:34px;font-weight:900;color:rgba(26,31,61,.07);letter-spacing:-1px}
.step-card h3{font-size:18px;margin:14px 0 10px}
.step-card p{font-size:14.5px;color:var(--muted)}
.step-card .tag{margin-bottom:2px}

/* post cards */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .24s,box-shadow .24s;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.post-thumb{display:block;position:relative;overflow:hidden}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-body h3{font-size:16.5px;line-height:1.5}
.post-body h3 a:hover{color:#b48100}
.post-body p{font-size:13.8px;color:var(--muted);flex:1}
.post-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:#8b93b4;padding-top:8px;border-top:1px dashed var(--line)}
.post-meta span{font-weight:800;color:#b48100}
.empty-note{padding:30px;text-align:center;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:var(--radius)}

/* topics */
.topic-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.topic-card{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid rgba(26,31,61,.08);box-shadow:var(--shadow);background:#111433;min-height:226px;display:flex;align-items:flex-end;transition:transform .26s,box-shadow .26s}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.topic-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;transition:transform .5s,opacity .3s}
.topic-card:hover img{transform:scale(1.06);opacity:.62}
.topic-card .topic-body{position:relative;padding:22px;color:#fff;background:linear-gradient(180deg,transparent,rgba(9,12,34,.92))}
.topic-card h3{font-size:17px;margin:10px 0 6px}
.topic-card p{font-size:13px;color:#c3cbe9}
.topic-chip{display:inline-flex;font-size:11.5px;font-weight:800;letter-spacing:.6px;color:#1a1f3d;background:linear-gradient(135deg,var(--gold-2),var(--gold));padding:3px 10px;border-radius:999px}

/* feed */
.feed-layout{display:grid;grid-template-columns:1.55fr .85fr;gap:30px;align-items:start}
.feed-list{display:grid;gap:16px}
.feed-item{display:grid;grid-template-columns:150px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:0 6px 18px rgba(18,24,60,.05);transition:transform .22s,box-shadow .22s}
.feed-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.feed-item img{width:100%;height:100%;min-height:104px;object-fit:cover;border-radius:12px}
.feed-item h3{font-size:16px;margin:8px 0 6px}
.feed-item h3 a:hover{color:#b48100}
.feed-item p{font-size:13.5px;color:var(--muted)}
.feed-item time{font-size:12.5px;color:#8b93b4;display:block;margin-top:8px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.side-card h3{font-size:16.5px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-list{display:grid;gap:13px}
.side-list a{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:#2b3155;transition:color .2s}
.side-list a:hover{color:#b48100}
.side-list i{flex:none;width:22px;height:22px;border-radius:7px;background:rgba(255,180,0,.18);color:#96650a;font-size:11.5px;font-weight:900;display:grid;place-items:center;font-style:normal;margin-top:3px}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.side-tags span{font-size:12.5px;color:#4a5179;background:var(--bg);border:1px solid var(--line);padding:5px 12px;border-radius:999px}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:26px 22px;transition:transform .24s,background .24s}
.metric:hover{transform:translateY(-4px);background:rgba(255,255,255,.1)}
.metric strong{display:block;font-size:34px;font-weight:900;color:var(--gold-2);line-height:1.2}
.metric strong small{font-size:15px;margin-left:3px}
.metric span{display:block;font-size:13.5px;color:#aeb8db;margin-top:6px}

/* myths */
.myth-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.myth{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.myth .wrong{display:flex;gap:10px;font-size:14.5px;color:#8b93b4;margin-bottom:12px}
.myth .wrong b{flex:none;width:24px;height:24px;border-radius:8px;background:#ffe9e9;color:#c0392b;display:grid;place-items:center;font-size:12px}
.myth .right{display:flex;gap:10px;font-size:14.5px;color:#2b3155}
.myth .right b{flex:none;width:24px;height:24px;border-radius:8px;background:#e6f7ee;color:#14915c;display:grid;place-items:center;font-size:12px}
.myth h3{font-size:16px;margin-bottom:14px}

/* voices */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.voice p{font-size:14.5px;color:#333a5c}
.voice-user{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:900;color:#1a1f3d;background:linear-gradient(135deg,var(--gold-2),var(--gold));flex:none}
.voice-user b{display:block;font-size:14px}
.voice-user span{font-size:12.5px;color:#8b93b4}

/* faq */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:6px 22px;box-shadow:0 6px 18px rgba(18,24,60,.05)}
.faq-item summary{cursor:pointer;list-style:none;font-weight:800;font-size:15.5px;padding:16px 0;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:#b48100;font-weight:800;transition:transform .2s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{font-size:14.2px;color:var(--muted);padding:0 0 18px;border-top:1px dashed var(--line);padding-top:14px}

/* contact */
.contact-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.contact-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:22px;padding:28px;box-shadow:0 24px 56px rgba(0,0,0,.32)}
.lead-form{display:grid;gap:14px}
.lead-form label{font-size:13px;color:#aeb8db;display:block;margin-bottom:6px}
.lead-form input,.lead-form textarea{width:100%;padding:12px 15px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.07);color:#fff;font-size:14.5px;transition:border-color .2s,background .2s}
.lead-form input::placeholder,.lead-form textarea::placeholder{color:#8b94b8}
.lead-form input:focus,.lead-form textarea:focus{border-color:var(--gold);background:rgba(255,255,255,.12);outline:none}
.form-tip{font-size:12.5px;color:#93a0cb;margin-top:2px}
.form-msg{display:none;font-size:13.5px;color:var(--gold-2);font-weight:700}
.form-msg.show{display:block}
.contact-points{display:grid;gap:14px;margin-top:24px}
.contact-points li{display:flex;gap:12px;font-size:14.5px;color:#c3cbe9}
.contact-points i{flex:none;width:24px;height:24px;border-radius:8px;background:rgba(255,180,0,.18);color:var(--gold-2);display:grid;place-items:center;font-size:12px;font-style:normal;font-weight:900}

/* footer */
.site-footer{background:#0c1030;color:#a9b2d4;padding:56px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:36px;padding-bottom:38px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{max-width:400px;font-size:13.8px;color:#8f99bf}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.6px}
.footer-col a{display:block;padding:5px 0;font-size:13.8px;color:#9aa4c8;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold-2);transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0 26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.8px;color:#7c86ad}

/* responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero-panel{max-width:520px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .topic-rail{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .mech{grid-template-columns:1fr;gap:30px}
  .feed-layout{grid-template-columns:1fr}
  .voice-grid{grid-template-columns:repeat(2,1fr)}
  .contact-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:860px){
  .nav{display:none}
  .nav.open{display:flex;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:4px;background:#11142f;padding:14px 20px 20px;box-shadow:0 22px 40px rgba(0,0,0,.4);border-top:1px solid rgba(255,255,255,.08)}
  .nav.open a{padding:12px 16px;border-radius:12px}
  .nav-toggle{display:flex}
  .grid-3,.steps,.myth-grid{grid-template-columns:1fr}
  .section{padding:64px 0}
  .hero{padding:52px 0 64px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .post-grid,.topic-rail,.metrics,.voice-grid,.grid-4,.footer-grid{grid-template-columns:1fr}
  .feed-item{grid-template-columns:1fr}
  .feed-item img{min-height:160px}
  .hero-stats div{flex:1 1 44%}
  .hero-actions .btn{width:100%}
  .brand{font-size:15px}
  .brand small{letter-spacing:1px}
  .section h2{font-size:22px}
}

/* roulang page: article */
:root{
  --deep:#1a1f3d;
  --deep-2:#12163a;
  --ink:#0d1130;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --cyan:#2de2e6;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --text:#1b1f36;
  --muted:#626a8a;
  --line:#e4e7f3;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(18,24,60,.08);
  --shadow-lg:0 22px 54px rgba(18,24,60,.16);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#11142f;color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.07)}
.topbar{position:relative;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:17px;letter-spacing:.4px;color:#fff}
.brand-mark{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--gold),#ff7a00);display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:17px;box-shadow:0 8px 20px rgba(255,180,0,.35);flex:none}
.brand small{display:block;font-size:11px;font-weight:500;color:#96a0c8;letter-spacing:2px;line-height:1.4}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:9px 15px;border-radius:999px;font-size:14.5px;color:#c6cdea;transition:background .2s,color .2s,transform .2s;white-space:nowrap}
.nav a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav a.is-active{color:#1a1f3d;background:linear-gradient(135deg,var(--gold),#ff9a00);font-weight:800;box-shadow:0 8px 20px rgba(255,180,0,.25)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- stepbar ---------- */
.stepbar{background:#0d1130;border-top:1px solid rgba(255,255,255,.07)}
.stepbar-inner{display:flex;gap:10px;padding:10px 0;overflow-x:auto;scrollbar-width:none}
.stepbar-inner::-webkit-scrollbar{display:none}
.step{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;font-size:13px;color:#aab3d6;border:1px solid rgba(255,255,255,.1);white-space:nowrap;transition:background .2s,color .2s,border-color .2s}
.step:hover{color:#fff;background:rgba(255,255,255,.07)}
.step-no{font-weight:900;color:var(--gold);font-size:12px;letter-spacing:1px}
.step.is-active{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.45);color:#fff}
/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;background:#0f1330;color:#fff;padding:44px 0 58px}
.page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.26}
.page-hero-overlay{position:absolute;inset:0;background:
  radial-gradient(760px 400px at 8% -10%,rgba(255,180,0,.22),transparent 62%),
  radial-gradient(680px 380px at 94% 6%,rgba(45,226,230,.16),transparent 60%),
  linear-gradient(158deg,#131741 8%,#1a1f3d 52%,#0b0f2c 100%)}
.page-hero-inner{position:relative;max-width:830px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#9fa9cd;margin-bottom:16px}
.crumbs a{transition:color .2s}
.crumbs a:hover{color:var(--gold-2)}
.crumbs i{font-style:normal;color:#5c6693}
.page-hero h1{font-size:clamp(25px,3.2vw,40px);font-weight:900;letter-spacing:.4px;margin-bottom:16px}
.page-hero h1 em{font-style:normal;background:linear-gradient(120deg,#ffd166,#ff9a00);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px 16px;font-size:13.5px;color:#b8c1e2}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--gold);display:block}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.4);color:var(--gold-2)}
.tag--cyan{background:rgba(45,226,230,.12);border-color:rgba(45,226,230,.38);color:#9af2f4}
/* ---------- layout ---------- */
.section{padding:64px 0}
.section--white{background:#fff}
.article-layout{display:grid;grid-template-columns:minmax(0,720px) 320px;gap:34px;align-items:start;justify-content:center}
.article-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:34px 32px}
.article-cover{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:26px;position:relative}
.article-cover img{width:100%;height:auto;object-fit:cover}
.article-cover figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 20px 14px;font-size:12.5px;color:#e7ecff;background:linear-gradient(to top,rgba(10,14,36,.86),rgba(10,14,36,0))}
/* ---------- prose ---------- */
.article-body{font-size:16.5px;color:#39405f}
.article-body > * + *{margin-top:18px}
.article-body h2{font-size:23px;font-weight:900;color:var(--deep);padding-left:14px;border-left:4px solid var(--gold);margin-top:36px;margin-bottom:6px}
.article-body h3{font-size:19px;font-weight:800;color:var(--deep);margin-top:26px}
.article-body h4{font-size:16.5px;font-weight:800;color:#2b3255;margin-top:20px}
.article-body p{color:#39405f}
.article-body ul{list-style:disc;padding-left:22px}
.article-body ol{list-style:decimal;padding-left:22px}
.article-body li{margin:8px 0}
.article-body li::marker{color:#c98a00}
.article-body img{border-radius:14px;margin:22px auto;box-shadow:var(--shadow)}
.article-body blockquote{border-left:4px solid var(--cyan);background:#eff8fb;padding:14px 18px;border-radius:0 12px 12px 0;color:#2c4468;margin:22px 0}
.article-body blockquote p{color:#2c4468}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;margin:22px 0;border-radius:12px;overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:#f6f7fc;color:var(--deep);font-weight:800}
.article-body a{color:#a06a00;border-bottom:1px dashed rgba(160,106,0,.55)}
.article-body a:hover{color:#7d5200;border-bottom-color:#7d5200}
.article-body strong{color:var(--deep);font-weight:800}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:28px 0}
/* ---------- empty ---------- */
.empty-state{text-align:center;padding:44px 12px}
.empty-state h2{font-size:22px;font-weight:900;color:var(--deep);margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:22px}
/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 26px;border-radius:999px;font-weight:800;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn-gold{background:linear-gradient(135deg,var(--gold),#ff8f00);color:#1a1f3d;box-shadow:0 12px 28px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,180,0,.42)}
.btn-dark{background:var(--deep);color:#fff;box-shadow:0 12px 26px rgba(18,24,60,.22)}
.btn-dark:hover{transform:translateY(-2px);background:#232a52}
.btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
/* ---------- blocks ---------- */
.block-title{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;color:var(--deep);margin-bottom:6px}
.block-title::before{content:"";width:8px;height:22px;border-radius:4px;background:linear-gradient(180deg,var(--gold),#ff8f00);display:block}
.block-sub{font-size:14px;color:var(--muted);margin-bottom:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);padding:22px;transition:transform .22s,box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45)}
.card h3{font-size:16px;font-weight:800;color:var(--deep);margin-bottom:8px}
.card p{font-size:14px;color:var(--muted)}
.stat{background:linear-gradient(160deg,#171c3e,#101433);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);padding:18px 18px;color:#e8ecfb}
.stat b{display:block;font-size:24px;font-weight:900;color:var(--gold-2);line-height:1.2}
.stat span{font-size:12.5px;color:#9fa9cd}
.feature-card{position:relative;overflow:hidden}
.feature-card .num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;background:rgba(255,180,0,.16);color:#a06a00;font-weight:900;font-size:14px;margin-bottom:12px}
.sample-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow);transition:transform .22s,box-shadow .22s}
.sample-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.sample-card img{width:100%;height:150px;object-fit:cover}
.sample-card .body{padding:16px 18px}
.sample-card h3{font-size:15.5px;font-weight:800;color:var(--deep);margin-bottom:6px}
.sample-card p{font-size:13.5px;color:var(--muted)}
.badge-inline{display:inline-block;font-size:12px;font-weight:800;color:#8c5f00;background:rgba(255,180,0,.16);border-radius:999px;padding:2px 10px;margin-bottom:8px}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px}
.faq-list details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);padding:0;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-list details[open]{border-color:rgba(255,180,0,.5);box-shadow:0 14px 34px rgba(18,24,60,.12)}
.faq-list summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:800;font-size:15px;color:var(--deep);display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-size:19px;font-weight:900;color:#b48100;transition:transform .2s}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list .faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--muted)}
/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius);padding:36px 34px;color:#fff;background:linear-gradient(140deg,#1a1f3d 0%,#232a58 55%,#12163a 100%);box-shadow:var(--shadow-lg)}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:230px;height:230px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.35),transparent 68%)}
.cta-band h2{font-size:23px;font-weight:900;margin-bottom:10px}
.cta-band p{color:#c3cbe9;font-size:14.5px;max-width:620px;margin-bottom:20px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
/* ---------- sidebar ---------- */
.article-side{display:grid;gap:20px;position:sticky;top:118px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.side-title{font-size:15px;font-weight:900;color:var(--deep);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:6px;height:16px;border-radius:3px;background:linear-gradient(180deg,var(--gold),#ff8f00)}
.channel-list{display:grid;gap:10px}
.channel-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 14px;border-radius:12px;background:#f7f8fd;border:1px solid var(--line);font-size:14px;font-weight:700;color:#2b3255;transition:background .2s,border-color .2s,transform .2s,color .2s}
.channel-list a:hover{background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.45);color:#8c5f00;transform:translateX(3px)}
.channel-list a i{font-style:normal;color:#b48100;font-weight:900}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud span{font-size:12.5px;padding:5px 12px;border-radius:999px;background:#f3f5fc;border:1px solid var(--line);color:#4a5378}
.note-list{display:grid;gap:12px}
.note-list a{display:block;font-size:14px;color:#333c60;padding-left:14px;position:relative;transition:color .2s}
.note-list a::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.note-list a:hover{color:#a06a00}
.side-tip{font-size:13px;color:var(--muted);line-height:1.8}
/* ---------- footer ---------- */
.site-footer{background:#0d1130;color:#b9c1e0;padding:56px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:34px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:13.5px;color:#8f99bf;max-width:430px}
.footer-col h4{font-size:14px;color:#fff;font-weight:800;margin-bottom:14px;letter-spacing:.5px}
.footer-col a{display:block;font-size:13.5px;color:#98a2c8;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold-2);transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding:18px 0 22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.5px;color:#7f89b0}
/* ---------- responsive ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:26px}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#11142f;flex-direction:column;align-items:stretch;gap:4px;padding:12px;border-radius:0 0 16px 16px;box-shadow:0 20px 40px rgba(0,0,0,.45);border-top:1px solid rgba(255,255,255,.08)}
  .nav.is-open{display:flex}
  .nav a{padding:11px 14px;border-radius:10px}
  .nav-toggle{display:inline-flex}
}
@media (max-width:768px){
  .section{padding:46px 0}
  .article-card{padding:24px 20px}
  .page-hero{padding:34px 0 44px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .article-side{grid-template-columns:1fr}
  .cta-band{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .article-body h2{font-size:20px}
  .article-body{font-size:16px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand{font-size:15px}
  .brand small{letter-spacing:1px}
  .grid-4{grid-template-columns:1fr}
  .hero-stats div{min-width:0}
  .article-meta{font-size:12.5px}
  .btn{width:100%}
  .cta-actions{flex-direction:column}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --deep:#1a1f3d;
  --deep-2:#12163a;
  --ink:#0d1130;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --cyan:#2de2e6;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --text:#1b1f36;
  --muted:#626a8a;
  --line:#e4e7f3;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(18,24,60,.08);
  --shadow-lg:0 22px 54px rgba(18,24,60,.16);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit}
:focus-visible{outline:3px solid rgba(255,180,0,.75);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#11142f;color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.07)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:17px;letter-spacing:.4px;color:#fff}
.brand-mark{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--gold),#ff7a00);display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:17px;box-shadow:0 8px 20px rgba(255,180,0,.35);flex:none}
.brand small{display:block;font-size:11px;font-weight:500;color:#96a0c8;letter-spacing:2px;line-height:1.4}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:9px 15px;border-radius:999px;font-size:14.5px;color:#c6cdea;transition:background .2s,color .2s,transform .2s;white-space:nowrap}
.nav a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav a.is-active{color:#1a1f3d;background:linear-gradient(135deg,var(--gold),#ff9a00);font-weight:800;box-shadow:0 8px 20px rgba(255,180,0,.25)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- stepbar ---------- */
.stepbar{background:#0d1130;border-top:1px solid rgba(255,255,255,.06)}
.stepbar-inner{display:flex;gap:8px;padding:9px 0;overflow-x:auto;scrollbar-width:none}
.stepbar-inner::-webkit-scrollbar{display:none}
.step{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;font-size:13px;color:#98a2c9;border:1px solid rgba(255,255,255,.1);transition:color .2s,border-color .2s,background .2s;white-space:nowrap}
.step-no{font-size:11px;font-weight:900;color:#6d78a6;letter-spacing:1px}
.step:hover{color:#fff;border-color:rgba(255,180,0,.5);background:rgba(255,180,0,.08)}
.step.is-active{color:var(--gold-2);border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.12)}
.step.is-active .step-no{color:var(--gold)}

/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;background:#0f1330;color:#fff;padding:56px 0 64px}
.cat-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.26}
.cat-hero-overlay{position:absolute;inset:0;background:
 radial-gradient(820px 420px at 8% -12%,rgba(255,180,0,.22),transparent 62%),
 radial-gradient(700px 400px at 96% 12%,rgba(45,226,230,.14),transparent 60%),
 linear-gradient(156deg,#131741 6%,#1a1f3d 56%,#0b0f2c 100%)}
.cat-hero-inner{position:relative}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:12.5px;color:#9aa5cd;margin-bottom:18px}
.crumb a{color:#c6cdea;border-bottom:1px dashed rgba(255,255,255,.28);padding-bottom:1px}
.crumb a:hover{color:var(--gold-2)}
.crumb span.sep{color:#4b568a}
.crumb span.now{color:var(--gold-2);font-weight:700}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:42px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.4);color:var(--gold-2);font-size:13px;letter-spacing:.6px;margin-bottom:20px}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18);display:block}
.cat-hero h1{font-size:clamp(28px,3.6vw,44px);font-weight:900;line-height:1.32;letter-spacing:.4px;margin-bottom:16px}
.cat-hero h1 em{font-style:normal;background:linear-gradient(120deg,#ffd166,#ff9a00);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-lead{font-size:15px;color:#c3cbe9;max-width:560px;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:12px 26px;border-radius:999px;font-weight:800;font-size:14.5px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn-gold{background:linear-gradient(135deg,var(--gold),#ff8f00);color:#1a1f3d;box-shadow:0 12px 28px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,180,0,.42)}
.btn-ghost{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.26);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.hero-figure{position:relative}
.hero-figure img{width:100%;height:330px;object-fit:cover;border-radius:var(--radius);box-shadow:0 26px 60px rgba(0,0,0,.45);transform:rotate(-1.6deg);border:1px solid rgba(255,255,255,.16)}
.hero-figure::after{content:"";position:absolute;inset:16px -14px -16px 22px;border:1px solid rgba(255,180,0,.36);border-radius:var(--radius);z-index:-1}
.hero-figure-cap{position:absolute;left:14px;bottom:14px;background:rgba(13,17,48,.82);border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:8px 14px;font-size:12px;color:#c6cdea;backdrop-filter:blur(6px)}
.hero-figure-cap b{color:var(--gold-2)}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:38px;position:relative}
.kpi-cell{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:14px 16px}
.kpi-cell dt{font-size:12px;color:#93a0cb;letter-spacing:.5px}
.kpi-cell dd{margin:0;font-size:21px;font-weight:900;color:var(--gold-2);letter-spacing:.5px}
.kpi-cell dd small{font-size:12px;font-weight:600;color:#9aa5cd;margin-left:3px}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section--plain{background:var(--bg)}
.section--white{background:#fff}
.section--dark{background:linear-gradient(152deg,#1a1f3d 0%,#141838 58%,#0c1030 100%);color:#e8ecfb}
.section-head{max-width:760px;margin-bottom:36px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:2px;font-weight:800;color:#b48100;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);padding:5px 14px;border-radius:999px;margin-bottom:14px}
.section--dark .eyebrow{color:var(--gold-2);background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.4)}
.section h2{font-size:clamp(22px,2.6vw,32px);font-weight:900;line-height:1.4}
.section-head p{margin-top:13px;color:var(--muted);font-size:15px}
.section--dark .section-head p{color:#aeb8db}
.section h2 em{font-style:normal;color:#c98a00}
.section--dark h2 em{color:var(--gold-2)}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 24px;transition:transform .22s,box-shadow .22s,border-color .22s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.42)}
.card-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;letter-spacing:1px;color:#8a6a00;background:rgba(255,180,0,.16);border-radius:999px;padding:4px 12px;margin-bottom:14px}
.card h3{font-size:18.5px;font-weight:900;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted)}
.card-metric{display:flex;align-items:baseline;gap:8px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.card-metric b{font-size:24px;font-weight:900;color:var(--deep);letter-spacing:.5px}
.card-metric span{font-size:12.5px;color:var(--muted)}

/* ---------- feature split ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center}
.split--flip{grid-template-columns:5fr 7fr}
.split-figure img{width:100%;height:340px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.split-body h2{margin-bottom:14px}
.split-body p{color:var(--muted);font-size:15px;margin-bottom:16px}
.check-list{display:grid;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 16px;font-size:14.5px;box-shadow:0 6px 18px rgba(18,24,60,.05)}
.check-list .tick{width:22px;height:22px;flex:none;border-radius:50%;display:grid;place-items:center;background:rgba(255,180,0,.18);color:#a87a00;font-size:12px;font-weight:900;margin-top:2px}
.check-list b{color:var(--deep)}

/* ---------- ladder ---------- */
.ladder{display:grid;gap:16px}
.ladder-row{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow)}
.ladder-row-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.ladder-row-head h3{font-size:16px;font-weight:900}
.ladder-row-head .rate{font-size:15px;font-weight:900;color:#a87a00}
.ladder-bar{height:10px;border-radius:999px;background:#eef0f8;overflow:hidden}
.ladder-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#ffd166,#ff9a00)}
.ladder-row p{font-size:13.5px;color:var(--muted);margin-top:10px}

/* ---------- rhythm timeline ---------- */
.rhythm{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}
.rhythm-step{position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:22px 20px;transition:background .2s,border-color .2s,transform .2s}
.rhythm-step:hover{background:rgba(255,180,0,.1);border-color:rgba(255,180,0,.45);transform:translateY(-3px)}
.rhythm-step .no{font-size:12px;font-weight:900;letter-spacing:2px;color:var(--gold-2);margin-bottom:10px;display:block}
.rhythm-step h3{font-size:17px;font-weight:900;margin-bottom:8px;color:#fff}
.rhythm-step p{font-size:13.5px;color:#aab4d6}

/* ---------- stats band ---------- */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat-box::before{content:"";position:absolute;left:0;top:0;width:4px;height:100%;background:linear-gradient(180deg,var(--gold),#ff7a00)}
.stat-box b{display:block;font-size:30px;font-weight:900;color:var(--deep);letter-spacing:.5px}
.stat-box span{display:block;font-size:13px;color:var(--muted);margin-top:6px}

/* ---------- mistakes ---------- */
.mistake-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.mistake{background:#fff;border:1px solid var(--line);border-left:4px solid #ff7a00;border-radius:14px;padding:20px 22px;box-shadow:var(--shadow)}
.mistake h3{font-size:16px;font-weight:900;margin-bottom:8px;color:var(--deep)}
.mistake h3 span{color:#c26000;font-size:12px;font-weight:800;letter-spacing:1px;display:block;margin-bottom:6px}
.mistake p{font-size:14px;color:var(--muted)}

/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s}
.faq details[open]{border-color:rgba(255,180,0,.5)}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:800;font-size:15.5px;color:var(--deep);display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;font-weight:900;color:#b48100;transition:transform .2s;flex:none}
.faq details[open] summary::after{content:"–"}
.faq .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted)}

/* ---------- cta band ---------- */
.cta-band{background:linear-gradient(125deg,#1a1f3d 0%,#262d5c 52%,#151a3e 100%);border-radius:24px;padding:44px 42px;color:#fff;display:grid;grid-template-columns:1.4fr .6fr;gap:28px;align-items:center;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(255,180,0,.3),transparent 70%)}
.cta-band h2{font-size:clamp(21px,2.4vw,29px);font-weight:900;margin-bottom:10px}
.cta-band p{color:#b9c2e4;font-size:14.5px}
.cta-band .btn{position:relative;z-index:2;justify-self:end}

/* ---------- footer ---------- */
.site-footer{background:#0d1130;color:#9aa5cd;padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.09)}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;max-width:420px;color:#8d98c2}
.footer-col h4{color:#fff;font-size:14px;font-weight:800;letter-spacing:1px;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:#9aa5cd;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold-2);transform:translateX(3px)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:20px;font-size:12.5px;color:#79839f}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-figure img{height:300px;transform:none}
  .hero-figure::after{display:none}
  .kpi-row{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .split,.split--flip{grid-template-columns:1fr;gap:28px}
  .split--flip .split-figure{order:-1}
  .rhythm{grid-template-columns:repeat(2,1fr)}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:34px 28px}
  .cta-band .btn{justify-self:start}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav{display:none;position:absolute;left:22px;right:22px;top:calc(100% - 2px);background:#151a3e;border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:12px;flex-direction:column;align-items:stretch;box-shadow:0 24px 50px rgba(0,0,0,.45)}
  .nav.is-open{display:flex}
  .nav a{padding:12px 16px;font-size:15px}
  .nav-toggle{display:flex}
  .topbar{position:relative}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .cat-hero{padding:42px 0 52px}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .mistake-list{grid-template-columns:1fr}
  .split-figure img{height:260px}
  .hero-figure img{height:230px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand{font-size:15px;gap:9px}
  .brand-mark{width:34px;height:34px;border-radius:11px;font-size:15px}
  .brand small{letter-spacing:1px;font-size:10px}
  .kpi-row{grid-template-columns:1fr 1fr;gap:10px}
  .kpi-cell{padding:12px}
  .kpi-cell dd{font-size:18px}
  .stat-band{grid-template-columns:1fr}
  .rhythm{grid-template-columns:1fr}
  .card{padding:20px 18px}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .cta-band{padding:28px 20px;border-radius:18px}
}

/* roulang page: category2 */
:root{
  --deep:#1a1f3d;
  --deep-2:#12163a;
  --ink:#0d1130;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --cyan:#2de2e6;
  --bg:#f5f6fb;
  --surface:#ffffff;
  --text:#1b1f36;
  --muted:#626a8a;
  --line:#e4e7f3;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(18,24,60,.08);
  --shadow-lg:0 22px 54px rgba(18,24,60,.16);
  --container:1180px;
}
/* roulang page: category2 highscore-tactics */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:8px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#11142f;color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.07)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:17px;letter-spacing:.4px;color:#fff}
.brand-mark{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--gold),#ff7a00);display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:17px;box-shadow:0 8px 20px rgba(255,180,0,.35);flex:none}
.brand small{display:block;font-size:11px;font-weight:500;color:#96a0c8;letter-spacing:2px;line-height:1.4}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:9px 15px;border-radius:999px;font-size:14.5px;color:#c6cdea;transition:background .2s,color .2s,transform .2s;white-space:nowrap}
.nav a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav a.is-active{color:#1a1f3d;background:linear-gradient(135deg,var(--gold),#ff9a00);font-weight:800;box-shadow:0 8px 20px rgba(255,180,0,.25)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- stepbar ---------- */
.stepbar{background:#0b0e26;border-top:1px solid rgba(255,255,255,.07)}
.stepbar-inner{display:flex;gap:10px;padding:12px 0;overflow-x:auto;scrollbar-width:none}
.stepbar-inner::-webkit-scrollbar{display:none}
.step{display:flex;align-items:center;gap:9px;padding:8px 16px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);color:#b9c2e2;font-size:13.5px;white-space:nowrap;transition:background .2s,color .2s,border-color .2s}
.step:hover{background:rgba(255,255,255,.12);color:#fff}
.step.is-active{background:rgba(255,180,0,.16);border-color:rgba(255,180,0,.46);color:var(--gold-2);font-weight:800}
.step-no{font-size:11px;font-weight:900;color:var(--gold);letter-spacing:1px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 28px;border-radius:999px;font-weight:800;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn-gold{background:linear-gradient(135deg,var(--gold),#ff8f00);color:#1a1f3d;box-shadow:0 12px 28px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,180,0,.42)}
.btn-ghost{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.26);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}
.btn-dark{background:var(--deep);color:#fff;box-shadow:0 12px 26px rgba(18,24,60,.22)}
.btn-dark:hover{transform:translateY(-2px);background:#232a52}
.btn-line{background:#fff;color:var(--deep);border-color:var(--line);box-shadow:var(--shadow)}
.btn-line:hover{transform:translateY(-2px);border-color:rgba(255,180,0,.55);box-shadow:var(--shadow-lg)}

/* ---------- hero stack ---------- */
.hero{position:relative;overflow:hidden;background:#0f1330;color:#fff;padding:64px 0 78px}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3}
.hero-overlay{position:absolute;inset:0;background:
  radial-gradient(900px 480px at 8% -12%,rgba(255,180,0,.22),transparent 62%),
  radial-gradient(760px 420px at 94% 6%,rgba(45,226,230,.16),transparent 60%),
  linear-gradient(158deg,#131741 8%,#1a1f3d 52%,#0b0f2c 100%)}
.hero-stack{position:relative;display:grid;grid-template-columns:1.32fr .82fr;gap:24px;align-items:start}
.stack-main{background:linear-gradient(160deg,rgba(26,31,61,.96),rgba(13,17,48,.94));border:1px solid rgba(255,255,255,.15);border-radius:26px;padding:40px 38px;box-shadow:0 30px 70px rgba(0,0,0,.42);backdrop-filter:blur(8px)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.4);color:var(--gold-2);font-size:13px;letter-spacing:.6px;margin-bottom:20px}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18);display:block}
.stack-main h1{font-size:clamp(27px,3.5vw,42px);font-weight:900;letter-spacing:.4px;line-height:1.38;margin-bottom:16px}
.stack-main h1 em{font-style:normal;color:var(--gold-2);background:linear-gradient(120deg,#ffd166,#ff9a00);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-lead{font-size:15.3px;color:#c3cbe9;max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px}
.hero-facts span{font-size:12.5px;color:#c9d2ee;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:6px 14px}
.stack-side{display:grid;gap:20px}
.stack-card{background:rgba(14,18,45,.84);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:24px 22px;box-shadow:0 22px 50px rgba(0,0,0,.35)}
.stack-card h2{font-size:15px;font-weight:800;color:#fff;letter-spacing:.5px;margin-bottom:14px}
.mini-list{display:grid;gap:9px}
.mini-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:10px 14px;font-size:13px;color:#c6cdea}
.mini-list b{color:var(--gold-2);font-size:14.5px;font-weight:900;white-space:nowrap}
.mini-list li.is-top{background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.45)}
.stack-card--img{position:relative;overflow:hidden;padding:0;margin-left:18px;border-radius:22px}
.stack-card--img img{width:100%;aspect-ratio:16/11;object-fit:cover;opacity:.92}
.stack-card--img .img-caption{position:absolute;inset:auto 0 0 0;padding:18px;font-size:12.8px;color:#e2e8fb;background:linear-gradient(180deg,transparent,rgba(9,12,32,.94))}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section--plain{background:var(--bg)}
.section--white{background:#fff}
.section--dark{background:linear-gradient(152deg,#1a1f3d 0%,#141838 58%,#0c1030 100%);color:#e8ecfb}
.section-head{max-width:780px;margin-bottom:36px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:2px;font-weight:800;color:#b48100;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);padding:5px 14px;border-radius:999px;margin-bottom:14px}
.section--dark .eyebrow{color:var(--gold-2);background:rgba(255,180,0,.12);border-color:rgba(255,180,0,.35)}
.section h2{font-size:clamp(22px,2.6vw,32px);font-weight:900;line-height:1.42}
.section h2 em{font-style:normal;color:#c98a00}
.section--dark h2 em{color:var(--gold-2)}
.section-head p{margin-top:14px;color:var(--muted);font-size:15px}
.section--dark .section-head p{color:#aeb8db}

/* ---------- metrics ---------- */
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--radius-sm);padding:22px 22px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.metric b{display:block;font-size:27px;font-weight:900;color:var(--deep);line-height:1.3}
.metric span{font-size:13px;color:var(--muted)}

/* ---------- tactics grid ---------- */
.tactic-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:22px;align-items:stretch}
.tactic-main{background:linear-gradient(155deg,#1a1f3d,#111637);color:#e9edfb;border-radius:22px;padding:34px 32px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column}
.tactic-main h3{font-size:21px;font-weight:900;margin-bottom:12px}
.tactic-main p{font-size:14.6px;color:#b9c3e4}
.tactic-main .tag{margin-bottom:16px}
.tactic-main .main-foot{margin-top:auto;padding-top:20px;display:flex;gap:10px;flex-wrap:wrap}
.tactic-side{display:grid;gap:18px}
.tactic-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s}
.tactic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45)}
.tactic-card h3{font-size:17px;font-weight:900;margin-bottom:9px;color:var(--deep)}
.tactic-card p{font-size:14.2px;color:var(--muted)}
.tag{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.4px;background:rgba(45,226,230,.14);color:#0a7d80;border:1px solid rgba(45,226,230,.32)}
.tag--gold{background:rgba(255,180,0,.16);color:#a57000;border-color:rgba(255,180,0,.42)}
.tag--deep{background:rgba(26,31,61,.08);color:#303a66;border-color:rgba(26,31,61,.16)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split-media{position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-lg)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media .media-badge{position:absolute;left:18px;top:18px;background:rgba(13,17,48,.86);color:var(--gold-2);font-size:12.5px;font-weight:800;padding:7px 14px;border-radius:999px;border:1px solid rgba(255,180,0,.4)}
.stage-list{display:grid;gap:2px;margin-top:22px}
.stage-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line)}
.stage-list li:last-child{border-bottom:0}
.stage-no{width:38px;height:38px;border-radius:12px;background:rgba(255,180,0,.16);color:#a57000;display:grid;place-items:center;font-weight:900;font-size:14px;flex:none}
.stage-list h4{font-size:15.6px;font-weight:800;color:var(--deep);margin-bottom:4px}
.stage-list p{font-size:13.9px;color:var(--muted)}

/* ---------- scene rows ---------- */
.scene-list{display:grid;gap:14px}
.scene-row{display:grid;grid-template-columns:190px 1fr 170px;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 24px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.scene-row:hover{transform:translateX(4px);box-shadow:var(--shadow-lg)}
.scene-row h4{font-size:15.4px;font-weight:900;color:var(--deep);line-height:1.5}
.scene-row p{font-size:14px;color:var(--muted)}
.scene-fix{font-size:13.6px;font-weight:800;color:#a57000;text-align:right}
.section--dark .scene-row{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.13);box-shadow:none}
.section--dark .scene-row h4{color:#fff}
.section--dark .scene-row p{color:#aeb8db}
.section--dark .scene-fix{color:var(--gold-2)}

/* ---------- channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s}
.channel:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5)}
.channel h3{font-size:17.5px;font-weight:900;color:var(--deep);margin-bottom:8px}
.channel p{font-size:13.9px;color:var(--muted);margin-bottom:16px}
.channel .channel-more{font-size:13.5px;font-weight:800;color:#b48100}
.channel.is-current{background:linear-gradient(155deg,#1a1f3d,#12163a);border-color:rgba(255,180,0,.45);color:#e9edfb}
.channel.is-current h3{color:#fff}
.channel.is-current p{color:#aeb8db}
.channel.is-current .channel-more{color:var(--gold-2)}

/* ---------- posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s,border-color .2s}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.5)}
.post-card h3{font-size:16.5px;font-weight:800;color:var(--deep);line-height:1.55}
.post-card p{font-size:13.9px;color:var(--muted);flex:1}
.post-time{font-size:12.5px;color:#8a92b2;font-weight:700}
.empty-note{background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:26px;color:var(--muted);font-size:14px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 22px;box-shadow:var(--shadow)}
.faq-item summary{cursor:pointer;padding:18px 0;font-weight:800;font-size:15.4px;color:var(--deep);list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:#b48100;font-weight:900;font-size:18px;flex:none}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 0 18px;font-size:14.2px;color:var(--muted)}

/* ---------- cta ---------- */
.cta-band{background:linear-gradient(140deg,#1a1f3d,#0d1130);border-radius:26px;padding:46px 44px;color:#eaeefb;display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:var(--shadow-lg)}
.cta-band h2{font-size:clamp(21px,2.4vw,29px);font-weight:900;margin-bottom:10px}
.cta-band p{font-size:14.6px;color:#aeb8db;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none}

/* ---------- footer ---------- */
.site-footer{background:#0b0e26;color:#aab3d5;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand p{font-size:14px;color:#8e98be;line-height:1.85;margin-top:14px;max-width:430px}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.5px;font-weight:800}
.footer-col a{display:block;font-size:13.8px;color:#9aa4c9;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold-2);transform:translateX(3px)}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:20px;font-size:12.5px;color:#7b85ab}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-stack{grid-template-columns:1fr;gap:20px}
  .stack-card--img{margin-left:0}
  .stack-side{grid-template-columns:1fr 1fr;align-items:start}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .tactic-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .channel-grid,.post-grid{grid-template-columns:repeat(2,1fr)}
  .scene-row{grid-template-columns:1fr;gap:10px}
  .scene-fix{text-align:left}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:860px){
  .nav-toggle{display:flex}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:6px;background:#11142f;padding:14px 22px 20px;border-top:1px solid rgba(255,255,255,.1);box-shadow:0 18px 30px rgba(0,0,0,.4);display:none}
  .nav.is-open{display:flex}
  .nav a{padding:11px 14px;border-radius:12px}
  .section{padding:64px 0}
  .stack-main{padding:30px 24px}
}
@media (max-width:768px){
  .stack-side{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .metric-strip{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero{padding:44px 0 56px}
  .stack-main{padding:24px 20px}
  .stack-main h1{font-size:25px}
  .hero-lead{font-size:14.4px}
  .btn{width:100%;padding:12px 20px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .metric-strip,.channel-grid,.post-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .cta-band{padding:30px 24px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category3 */
:root{
 --deep:#1a1f3d;
 --deep-2:#12163a;
 --ink:#0d1130;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --gold-deep:#c98a00;
 --cyan:#2de2e6;
 --bg:#f5f6fb;
 --surface:#ffffff;
 --text:#1b1f36;
 --muted:#626a8a;
 --line:#e4e7f3;
 --radius:18px;
 --radius-sm:12px;
 --shadow:0 10px 30px rgba(18,24,60,.08);
 --shadow-lg:0 22px 54px rgba(18,24,60,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:.2px}
p{margin:0}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit}
:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px}
/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#11142f;color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.07)}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:14px 0;position:relative}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:17px;letter-spacing:.4px;color:#fff}
.brand-mark{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--gold),#ff7a00);display:grid;place-items:center;color:#1a1f3d;font-weight:900;font-size:17px;box-shadow:0 8px 20px rgba(255,180,0,.35);flex:none}
.brand small{display:block;font-size:11px;font-weight:500;color:#96a0c8;letter-spacing:2px;line-height:1.4}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:9px 15px;border-radius:999px;font-size:14.5px;color:#c6cdea;transition:background .2s,color .2s,transform .2s;white-space:nowrap}
.nav a:hover{color:#fff;background:rgba(255,255,255,.09)}
.nav a.is-active{color:#1a1f3d;background:linear-gradient(135deg,var(--gold),#ff9a00);font-weight:800;box-shadow:0 8px 20px rgba(255,180,0,.25)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- step bar ---------- */
.stepbar{background:#0d1129;border-top:1px solid rgba(255,255,255,.07)}
.stepbar-inner{display:flex;gap:10px;padding:10px 0;overflow-x:auto;scrollbar-width:none}
.stepbar-inner::-webkit-scrollbar{display:none}
.step{display:flex;align-items:center;gap:8px;flex:none;padding:7px 15px;border-radius:999px;font-size:13px;color:#a8b2d8;border:1px solid rgba(255,255,255,.1);transition:background .2s,color .2s,border-color .2s}
.step-no{font-size:11.5px;font-weight:900;letter-spacing:1px;color:var(--gold)}
.step:hover{background:rgba(255,255,255,.09);color:#fff}
.step.is-active{background:rgba(255,180,0,.14);border-color:rgba(255,180,0,.5);color:var(--gold-2);font-weight:700}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#0f1330;color:#fff;padding:64px 0 76px}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3}
.hero-overlay{position:absolute;inset:0;background:
 radial-gradient(900px 480px at 8% -10%,rgba(255,180,0,.22),transparent 62%),
 radial-gradient(760px 420px at 94% 6%,rgba(45,226,230,.15),transparent 60%),
 linear-gradient(158deg,#131741 8%,#1a1f3d 52%,#0b0f2c 100%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:start}
.pill{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(255,180,0,.13);border:1px solid rgba(255,180,0,.4);color:var(--gold-2);font-size:13px;letter-spacing:.6px;margin-bottom:20px}
.pill i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18);display:block}
.hero h1{font-size:clamp(28px,3.7vw,45px);font-weight:900;letter-spacing:.4px;margin-bottom:18px}
.hero h1 em{font-style:normal;background:linear-gradient(120deg,#ffd166,#ff9a00);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-lead{font-size:15.5px;color:#c3cbe9;max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 28px;border-radius:999px;font-weight:800;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
.btn-sm{padding:11px 22px;font-size:14px}
.btn-gold{background:linear-gradient(135deg,var(--gold),#ff8f00);color:#1a1f3d;box-shadow:0 12px 28px rgba(255,180,0,.32)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,180,0,.42)}
.btn-ghost{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.26);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}
.btn-dark{background:var(--deep);color:#fff;box-shadow:0 12px 26px rgba(18,24,60,.22)}
.btn-dark:hover{transform:translateY(-2px);background:#232a52}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:10px 18px;min-width:112px}
.hero-stats dt{font-size:12px;color:#93a0cb;letter-spacing:.5px}
.hero-stats dd{margin:0;font-size:19px;font-weight:900;color:var(--gold-2)}
/* hero lead panel */
.hero-panel{background:rgba(14,18,45,.8);border:1px solid rgba(255,255,255,.14);border-radius:24px;padding:22px;backdrop-filter:blur(10px);box-shadow:0 28px 64px rgba(0,0,0,.4)}
.panel-cover{position:relative;border-radius:16px;overflow:hidden;margin-bottom:18px}
.panel-cover img{width:100%;height:172px;object-fit:cover}
.panel-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,17,48,.05),rgba(13,17,48,.86))}
.panel-cover-txt{position:absolute;left:16px;right:16px;bottom:13px;z-index:2}
.panel-cover-txt strong{display:block;font-size:16.5px;font-weight:900;color:#fff}
.panel-cover-txt span{font-size:12px;color:#c9d1ee;letter-spacing:1px}
.toc{display:grid;gap:8px;margin-bottom:18px}
.toc li{display:flex;align-items:center;gap:11px;font-size:13.5px;color:#c6cdea;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:11px;padding:9px 13px}
.toc b{font-size:12px;color:var(--gold);letter-spacing:1px;font-weight:900}
.lead-form{display:flex;gap:9px}
.lead-form input{flex:1;min-width:0;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;font-size:14px;transition:border-color .2s,box-shadow .2s}
.lead-form input::placeholder{color:#8e98bf}
.lead-form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.22)}
.form-note{font-size:12px;color:#8e98bf;margin-top:10px}
.form-msg{display:none;margin-top:10px;font-size:13px;color:var(--gold-2);font-weight:700}
.form-msg.is-show{display:block}
/* ---------- sections ---------- */
.section{padding:82px 0}
.section--plain{background:var(--bg)}
.section--white{background:#fff}
.section--dark{background:linear-gradient(152deg,#1a1f3d 0%,#141838 58%,#0c1030 100%);color:#e8ecfb}
.section-head{max-width:780px;margin-bottom:38px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:2px;font-weight:800;color:#a97a00;background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.32);padding:5px 14px;border-radius:999px;margin-bottom:14px}
.section--dark .eyebrow{color:var(--gold-2);background:rgba(255,180,0,.12)}
.section h2{font-size:clamp(23px,2.7vw,33px);font-weight:900}
.section-head p{margin-top:14px;color:var(--muted);font-size:15px}
.section--dark .section-head p{color:#aeb8db}
.section-head h2 em{font-style:normal;color:var(--gold-deep)}
.section--dark .section-head h2 em{color:var(--gold-2)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 24px;transition:transform .22s,box-shadow .22s,border-color .22s;height:100%}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,180,0,.45)}
.card-media{border-radius:var(--radius);overflow:hidden;background:#0f1330;padding:0;box-shadow:var(--shadow);border:1px solid var(--line);display:flex;flex-direction:column}
.card-media img{width:100%;height:190px;object-fit:cover;transition:transform .4s}
.card-media:hover img{transform:scale(1.04)}
.card-media .body{padding:22px 22px 24px}
.card h3{font-size:18px;font-weight:900;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted)}
.tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.6px;color:#8a6200;background:rgba(255,180,0,.16);border:1px solid rgba(255,180,0,.36);border-radius:999px;padding:3px 11px;margin-bottom:12px}
.tag--cyan{color:#0b6a6c;background:rgba(45,226,230,.14);border-color:rgba(45,226,230,.4)}
.section--dark .tag{color:var(--gold-2)}
.card-foot{margin-top:16px;font-size:13px;color:#8a92b4;border-top:1px dashed var(--line);padding-top:12px}
/* tier cards */
.tier{border-top:4px solid var(--gold);border-radius:var(--radius);background:#fff;border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);box-shadow:var(--shadow);padding:24px 22px;transition:transform .22s,box-shadow .22s}
.tier:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.tier h3{font-size:17px;margin-bottom:6px}
.tier .tier-sub{font-size:13px;color:var(--gold-deep);font-weight:800;margin-bottom:12px}
.tier dl{display:grid;gap:8px;margin:0;font-size:13.5px}
.tier dl div{display:flex;justify-content:space-between;gap:10px;border-bottom:1px dashed var(--line);padding-bottom:7px}
.tier dt{color:var(--muted)}
.tier dd{margin:0;font-weight:800;color:var(--text)}
/* timeline */
.timeline{position:relative;display:grid;gap:18px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,rgba(255,180,0,.7),rgba(45,226,230,.35))}
.timeline li{position:relative;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:16px 20px;transition:background .2s,border-color .2s}
.timeline li:hover{background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.42)}
.timeline li::before{content:"";position:absolute;left:-25px;top:24px;width:12px;height:12px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18)}
.timeline h3{font-size:15.5px;color:#fff;margin-bottom:6px}
.timeline p{font-size:13.8px;color:#b3bde0}
.timeline .ver{font-size:12px;font-weight:900;letter-spacing:1px;color:var(--gold-2);margin-right:8px}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:st}
.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px 24px;box-shadow:var(--shadow);transition:transform .22s,box-shadow .22s}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.step-card .no{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--deep),#2a3160);color:var(--gold-2);font-weight:900;font-size:15px;margin-bottom:14px}
.step-card h3{font-size:16.5px;margin-bottom:9px}
.step-card p{font-size:14px;color:var(--muted)}
/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:22px 20px;text-align:center}
.metric strong{display:block;font-size:30px;font-weight:900;color:var(--gold-2);line-height:1.2}
.metric span{display:block;font-size:13px;color:#a9b3d8;margin-top:6px}
/* log cards */
.log{background:#fff;border:1px solid var(--line);border-left:4px solid var(--cyan);border-radius:var(--radius-sm);box-shadow:var(--shadow);padding:20px 22px;transition:transform .22s,box-shadow .22s}
.log:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.log strong{display:block;font-size:15px;margin-bottom:6px}
.log p{font-size:14px;color:var(--muted)}
.log b{color:var(--gold-deep)}
/* faq */
.faq{display:grid;gap:14px;max-width:900px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow);padding:0 22px;transition:border-color .2s,box-shadow .2s}
.faq details[open]{border-color:rgba(255,180,0,.5);box-shadow:var(--shadow-lg)}
.faq summary{list-style:none;cursor:pointer;font-weight:800;font-size:15.5px;padding:18px 34px 18px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:16px;font-size:20px;font-weight:900;color:var(--gold-deep);transition:transform .2s}
.faq details[open] summary::after{content:"–"}
.faq .answer{padding:0 0 20px;font-size:14.5px;color:var(--muted);border-top:1px dashed var(--line);padding-top:14px;margin-top:-2px}
/* cta band */
.cta-band{position:relative;overflow:hidden;border-radius:26px;padding:52px 46px;color:#fff;background:#101433;box-shadow:var(--shadow-lg)}
.cta-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.26}
.cta-band .veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(12,16,44,.94),rgba(26,31,61,.82))}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(21px,2.4vw,29px);font-weight:900;margin-bottom:12px}
.cta-inner p{font-size:14.5px;color:#c3cbe9;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* footer */
.site-footer{background:#0d1129;color:#b7c0e0;padding:58px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px;padding-bottom:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:#9aa4c9;max-width:420px}
.footer-col h4{font-size:14px;color:#fff;font-weight:800;margin-bottom:14px;letter-spacing:.6px}
.footer-col a{display:block;font-size:14px;color:#9aa4c9;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:var(--gold-2);transform:translateX(3px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:20px 0;font-size:12.5px;color:#818bb0}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-inner{grid-template-columns:1fr;gap:34px}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .metrics{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr}
 .cta-band{padding:42px 30px}
}
@media (max-width:960px){
 .nav{display:none}
 .nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:6px;position:absolute;top:calc(100% + 8px);left:0;right:0;background:#151a3c;border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:12px;box-shadow:0 24px 46px rgba(0,0,0,.5);z-index:70}
 .nav.is-open a{padding:11px 14px;font-size:15px}
 .nav-toggle{display:inline-flex}
 .section{padding:64px 0}
}
@media (max-width:768px){
 .hero{padding:48px 0 58px}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
 .hero-lead{font-size:14.8px}
 .hero-stats div{flex:1 1 44%}
 .section-head{margin-bottom:28px}
 .cta-inner{flex-direction:column;align-items:flex-start}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .faq details{padding:0 16px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand{font-size:15px}
 .brand small{letter-spacing:1px;font-size:10.5px}
 .hero h1{font-size:26px}
 .hero-actions .btn{width:100%}
 .lead-form{flex-direction:column}
 .lead-form .btn{width:100%}
 .steps{grid-template-columns:1fr}
 .metrics{grid-template-columns:1fr}
 .card,.tier,.step-card{padding:20px 18px}
 .cta-band{padding:32px 20px;border-radius:20px}
 .cta-actions .btn{width:100%}
 .footer-bottom{flex-direction:column;gap:6px}
}