/* roulang page: index */
:root{
  --ink-950:#080b18;
  --ink-900:#0c1024;
  --ink-800:#121736;
  --ink-700:#1a1f3d;
  --card:#141a34;
  --card-2:#181f3d;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --text:#e9edfa;
  --muted:#98a3c4;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --cyan:#37e6d0;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.9);
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1000px 500px at 84% -8%, rgba(255,180,0,.10), transparent 62%),
    radial-gradient(820px 420px at 6% 6%, rgba(55,230,208,.08), transparent 60%),
    var(--ink-950);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  line-height:1.75;
  -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,p{margin:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,30,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,#ffd166,#ffb400 55%,#e09b00);
  color:#1a1400;font-weight:800;font-size:18px;
  box-shadow:0 8px 20px -10px rgba(255,180,0,.9);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.4px;color:#fff;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--gold);margin-left:4px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  padding:8px 14px;border-radius:10px;font-size:14.5px;color:#b9c2dc;
  transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#0f1224;background:linear-gradient(135deg,var(--gold-2),var(--gold));font-weight:600}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:12px;padding:7px 10px 7px 12px;
  transition:border-color .2s ease,background .2s ease;
}
.cmd-search:focus-within{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.08)}
.cmd-search svg{width:15px;height:15px;stroke:var(--muted);fill:none;stroke-width:2;flex-shrink:0}
.cmd-search input{
  width:168px;background:transparent;border:0;outline:none;color:var(--text);
  font-size:13.5px;
}
.cmd-search input::placeholder{color:#77809d}
.kbd{
  font-size:11px;color:#8b95b4;background:rgba(255,255,255,.07);
  border:1px solid var(--line);border-radius:6px;padding:1px 5px;white-space:nowrap;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:600;font-size:15px;padding:11px 22px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-gold{
  background:linear-gradient(135deg,#ffd166,#ffb400 60%,#f0a000);
  color:#1c1503;box-shadow:0 12px 26px -16px rgba(255,180,0,.95);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(255,180,0,1)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.05);color:#e8ecf9;border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:#fff;font-size:17px;line-height:1;
}
.mobile-nav{
  border-top:1px solid var(--line);
  background:rgba(8,11,24,.98);
  padding:12px 24px 20px;
  display:flex;flex-direction:column;gap:6px;
}
.mobile-nav .nav-link{display:block;padding:11px 12px;font-size:15px}
.mobile-nav .btn{margin-top:10px;width:100%}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(96deg,rgba(8,11,24,.96) 8%,rgba(8,11,24,.82) 48%,rgba(18,23,54,.62) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.35fr .9fr;gap:44px;align-items:center;padding-top:52px;padding-bottom:56px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--gold-2);letter-spacing:1px;
  border:1px solid rgba(255,180,0,.35);background:rgba(255,180,0,.09);
  border-radius:999px;padding:5px 14px;
}
.hero h1{
  margin-top:18px;font-size:clamp(28px,3.4vw,44px);line-height:1.28;
  font-weight:800;letter-spacing:.5px;
  background:linear-gradient(120deg,#ffffff 30%,#ffe0a3 70%,#ffb400 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;font-size:15.5px;color:#c2cae1;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.stat{
  background:rgba(20,26,52,.82);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 18px;
  box-shadow:var(--shadow);
  transition:border-color .2s ease,transform .2s ease;
}
.stat:hover{border-color:rgba(255,180,0,.42);transform:translateY(-3px)}
.stat b{display:block;font-size:24px;font-weight:800;color:var(--gold);line-height:1.2}
.stat span{font-size:12.5px;color:var(--muted);letter-spacing:.4px}

/* ---------- sections ---------- */
.section{padding:66px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.section.alt{background:linear-gradient(180deg,rgba(26,31,61,.42),rgba(8,11,24,.1))}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:1.6px;color:var(--cyan);
  text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:clamp(22px,2.4vw,31px);font-weight:800;line-height:1.35;color:#fff}
.section-head p{margin-top:12px;color:var(--muted);font-size:14.8px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.35);box-shadow:0 24px 44px -28px rgba(0,0,0,1)}
.card h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.card p{font-size:14.2px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--gold-2);
  background:rgba(255,180,0,.1);border:1px solid rgba(255,180,0,.28);
  border-radius:999px;padding:3px 10px;
}
.tag-soft{color:#a9b4d6;background:rgba(255,255,255,.06);border-color:var(--line)}
.tag-cyan{color:var(--cyan);background:rgba(55,230,208,.09);border-color:rgba(55,230,208,.28)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

.cover{width:100%;height:160px;object-fit:cover;border-radius:10px;margin-bottom:14px;border:1px solid var(--line)}

.track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,1fr);gap:18px;overflow-x:auto;padding-bottom:10px;scrollbar-width:thin}
.track::-webkit-scrollbar{height:6px}
.track::-webkit-scrollbar-thumb{background:rgba(255,180,0,.35);border-radius:99px}
.track-card{background:var(--card-2);border:1px solid var(--line);border-radius:var(--radius);padding:16px;transition:border-color .2s ease,transform .2s ease}
.track-card:hover{border-color:rgba(55,230,208,.4);transform:translateY(-3px)}
.track-card h3{font-size:16px;color:#fff;margin:10px 0 6px;font-weight:700}
.track-card p{font-size:13.6px;color:var(--muted)}

.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px 20px}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:26px;font-weight:800;color:rgba(255,180,0,.32);
  letter-spacing:2px;margin-bottom:8px;
}
.step h3{font-size:16px;color:#fff;margin-bottom:6px}
.step p{font-size:13.6px;color:var(--muted)}

.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel{
  display:block;position:relative;overflow:hidden;
  background:linear-gradient(150deg,rgba(26,31,61,.95),rgba(18,23,54,.9));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;
  transition:border-color .22s ease,transform .22s ease;
}
.channel:hover{border-color:rgba(255,180,0,.5);transform:translateY(-4px)}
.channel h3{font-size:19px;color:#fff;font-weight:800;margin:12px 0 8px}
.channel p{font-size:14px;color:var(--muted);min-height:66px}
.channel .go{margin-top:12px;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--gold);font-weight:600}

.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-row{
  display:grid;grid-template-columns:56px 1.1fr 1fr auto;gap:16px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 20px;transition:border-color .2s ease,background .2s ease;
}
.rank-row:hover{border-color:rgba(255,180,0,.35);background:var(--card-2)}
.rank-no{font-size:20px;font-weight:800;color:rgba(255,180,0,.6)}
.rank-row strong{font-size:15.5px;color:#fff;font-weight:700}
.rank-row small{display:block;color:var(--muted);font-size:12.5px;margin-top:2px}
.bar{height:8px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--gold),#ff9d00)}
.rank-score{font-size:15px;font-weight:700;color:var(--gold)}

.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.kpi span{font-size:12.5px;color:var(--muted)}
.kpi b{display:block;font-size:20px;color:#fff;margin-top:6px;font-weight:800}

.voice{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px}
.voice .who{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(55,230,208,.9),rgba(255,180,0,.85));
  color:#0b1020;font-weight:800;font-size:15px;flex-shrink:0;
}
.voice .who b{font-size:14px;color:#fff}
.voice p{font-size:13.8px;color:var(--muted)}

.badge-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.badge-card{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(26,31,61,.6);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;
}
.badge-ico{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.32);color:var(--gold);font-weight:800;
}
.badge-card h3{font-size:15.5px;color:#fff;margin-bottom:4px}
.badge-card p{font-size:13.4px;color:var(--muted)}

/* news */
.news-wrap{display:grid;grid-template-columns:1.65fr .95fr;gap:28px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:12px}
.news-row{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 20px;
  transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.news-row:hover{border-color:rgba(55,230,208,.42);transform:translateX(4px);background:var(--card-2)}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.news-row h3{font-size:15.6px;color:#fff;font-weight:700;line-height:1.5}
.news-row p{margin-top:6px;font-size:13.4px;color:var(--muted)}
.side-panel{background:linear-gradient(160deg,rgba(26,31,61,.92),rgba(14,19,40,.92));border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px}
.side-panel h3{font-size:16px;color:#fff;margin-bottom:14px;font-weight:700}
.side-item{display:block;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.08)}
.side-item:last-child{border-bottom:0}
.side-item b{display:block;font-size:14px;color:#dfe5f6;font-weight:600;line-height:1.5}
.side-item small{color:#8b95b4;font-size:12px}
.side-item:hover b{color:var(--gold)}

.quote-card{
  background:linear-gradient(140deg,rgba(26,31,61,.9),rgba(12,16,36,.9));
  border:1px solid var(--line);border-left:3px solid var(--gold);
  border-radius:var(--radius-lg);padding:26px 28px;
}
.quote-card p{font-size:16px;color:#dfe5f6;line-height:1.85}
.quote-card footer{margin-top:14px;font-size:13px;color:var(--muted)}

.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.matrix-item{display:flex;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.matrix-item h3{font-size:15.5px;color:#fff;margin-bottom:5px}
.matrix-item p{font-size:13.6px;color:var(--muted)}
.dot{width:9px;height:9px;border-radius:50%;background:var(--cyan);margin-top:9px;flex-shrink:0;box-shadow:0 0 0 4px rgba(55,230,208,.14)}

.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.faq-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.faq-card b{display:block;color:var(--gold-2);font-size:14.6px;margin-bottom:8px}
.faq-card p{font-size:13.8px;color:var(--muted)}

.cta-band{
  position:relative;overflow:hidden;border:1px solid rgba(255,180,0,.3);
  border-radius:var(--radius-lg);padding:44px 36px;
  background:linear-gradient(120deg,rgba(255,180,0,.14),rgba(26,31,61,.9) 52%,rgba(12,16,36,.95));
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.2vw,27px);color:#fff;font-weight:800}
.cta-band p{margin-top:8px;color:#c8d0e6;font-size:14.6px;max-width:640px}

/* footer */
.site-footer{background:#070a15;border-top:1px solid var(--line);padding:52px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
.footer-brand p{margin-top:14px;font-size:13.8px;color:var(--muted);max-width:400px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col a,.footer-col span{display:block;font-size:13.6px;color:var(--muted);padding:5px 0;transition:color .18s ease}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  margin-top:32px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#7f89a8;
}

@media (max-width:1024px){
  .main-nav{display:none}
  .cmd-search{display:none}
  .nav-toggle{display:grid;place-items:center}
  .hero-inner{grid-template-columns:1fr;gap:30px;padding-top:40px;padding-bottom:44px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .grid-4,.kpi-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.channel-grid,.badge-row{grid-template-columns:repeat(2,1fr)}
  .news-wrap{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .grid-2,.matrix,.faq-list{grid-template-columns:1fr}
  .rank-row{grid-template-columns:40px 1fr auto;gap:12px}
  .rank-row .bar{display:none}
  .brand-text{font-size:14.5px}
  .hero-actions .btn{flex:1 1 auto}
}
@media (max-width:520px){
  .container-x{padding:0 16px}
  .grid-3,.channel-grid,.badge-row,.steps,.grid-4,.kpi-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
  .stat{padding:13px 14px}
  .stat b{font-size:20px}
  .footer-top{grid-template-columns:1fr}
  .cta-band{padding:30px 22px}
  .news-row{padding:14px 16px}
}

/* roulang page: article */
:root{
  --ink-950:#080b18;
  --ink-900:#0c1024;
  --ink-800:#121736;
  --ink-700:#1a1f3d;
  --card:#141a34;
  --card-2:#181f3d;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --text:#e9edfa;
  --muted:#98a3c4;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --cyan:#37e6d0;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.9);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:
    radial-gradient(1000px 500px at 84% -8%, rgba(255,180,0,.10), transparent 62%),
    radial-gradient(820px 420px at 6% 6%, rgba(55,230,208,.08), transparent 60%),
    var(--ink-950);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;line-height:1.35}
ul,ol{margin:0 0 1em;padding-left:1.2em}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,30,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,#ffd166,#ffb400 55%,#e09b00);
  color:#1a1400;font-weight:800;font-size:18px;
  box-shadow:0 8px 20px -10px rgba(255,180,0,.9);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.4px;color:#fff;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--gold);margin-left:4px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  padding:8px 14px;border-radius:10px;font-size:14.5px;color:#b9c2dc;
  transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#0f1224;background:linear-gradient(135deg,var(--gold-2),var(--gold));font-weight:600}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:12px;padding:7px 10px 7px 12px;
  transition:border-color .2s ease,background .2s ease;
}
.cmd-search:focus-within{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.08)}
.cmd-search svg{width:15px;height:15px;stroke:var(--muted);fill:none;stroke-width:2;flex-shrink:0}
.cmd-search input{width:168px;background:transparent;border:0;outline:none;color:var(--text);font-size:13.5px}
.cmd-search input::placeholder{color:#77809d}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:600;font-size:15px;padding:11px 22px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-gold{
  background:linear-gradient(135deg,#ffd166,#ffb400 60%,#f0a000);
  color:#1c1503;box-shadow:0 12px 26px -16px rgba(255,180,0,.95);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(255,180,0,1)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.05);color:#e8ecf9;border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:#fff;font-size:17px;line-height:1;cursor:pointer;
}
.mobile-nav{
  border-top:1px solid var(--line);
  background:rgba(8,11,24,.98);
  padding:12px 24px 20px;
  display:flex;flex-direction:column;gap:6px;
}
.mobile-nav[hidden]{display:none}
.mobile-nav .nav-link{display:block;padding:11px 12px;font-size:15px}
.mobile-nav .btn{margin-top:10px;width:100%}

/* ---------- article hero ---------- */
.article-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(8,11,24,.97) 12%,rgba(8,11,24,.86) 52%,rgba(26,31,61,.68) 100%);
}
.article-hero-inner{position:relative;padding:52px 0 54px;max-width:880px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#8b96b8;margin-bottom:18px}
.crumb a:hover{color:var(--gold-2)}
.crumb span.sep{color:#4a5170}
.article-hero h1{
  font-size:clamp(25px,3.1vw,40px);
  font-weight:800;letter-spacing:.4px;
  background:linear-gradient(120deg,#ffffff 32%,#ffe0a3 72%,#ffb400 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-lead{margin-top:18px;font-size:15.4px;color:#c2cae1;max-width:720px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;align-items:center}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;color:var(--gold-2);
  background:rgba(255,180,0,.1);border:1px solid rgba(255,180,0,.28);
  border-radius:999px;padding:4px 12px;
}
.chip-soft{color:#aab4d5;background:rgba(255,255,255,.05);border-color:var(--line)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- sections ---------- */
.section{padding:60px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.section.alt{background:linear-gradient(180deg,rgba(26,31,61,.42),rgba(8,11,24,.1))}
.section-head{max-width:780px;margin-bottom:32px}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:1.6px;color:var(--cyan);
  text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:clamp(21px,2.3vw,30px);font-weight:800;color:#fff}
.section-head p{margin-top:12px;color:var(--muted);font-size:14.8px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.35);box-shadow:0 24px 44px -28px rgba(0,0,0,1)}
.card h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.card p{font-size:14.2px;color:var(--muted);margin-bottom:0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}

/* ---------- prose ---------- */
.article-shell{max-width:880px;margin:0 auto}
.prose{font-size:15.6px;color:#ccd4ea}
.prose > *:first-child{margin-top:0}
.prose h2{
  font-size:clamp(20px,2.1vw,26px);font-weight:800;color:#fff;
  margin:38px 0 14px;padding-left:14px;position:relative;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--gold-2),var(--gold));
}
.prose h3{font-size:18px;font-weight:700;color:#ffe3a6;margin:26px 0 10px}
.prose h4{font-size:16px;font-weight:700;color:#fff;margin:20px 0 8px}
.prose p{margin:0 0 1.05em;color:#c5cee6}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.35em;color:#c5cee6}
.prose li{margin-bottom:.45em}
.prose li::marker{color:var(--gold)}
.prose strong{color:#fff}
.prose a{color:var(--gold-2);border-bottom:1px dashed rgba(255,180,0,.5)}
.prose a:hover{color:#fff;border-bottom-color:#fff}
.prose img{border-radius:var(--radius);margin:20px auto;border:1px solid var(--line);box-shadow:var(--shadow)}
.prose blockquote{
  margin:22px 0;padding:16px 20px;border-left:3px solid var(--gold);
  background:rgba(255,180,0,.07);border-radius:0 12px 12px 0;color:#e4e9f8;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:rgba(255,255,255,.05);color:#fff;font-weight:600}
.prose code{background:rgba(255,255,255,.08);border-radius:6px;padding:1px 6px;font-size:.92em;color:#ffe3a6}
.notfound{
  text-align:center;padding:56px 24px;border:1px dashed var(--line-strong);
  border-radius:var(--radius-lg);background:rgba(255,255,255,.03);
}
.notfound h2{font-size:22px;color:#fff;margin-bottom:10px}
.notfound p{color:var(--muted);margin-bottom:20px}

/* ---------- metrics ---------- */
.metric{
  background:linear-gradient(160deg,rgba(255,180,0,.12),rgba(24,31,61,.85));
  border:1px solid rgba(255,180,0,.22);border-radius:var(--radius);
  padding:20px;text-align:center;transition:transform .2s ease,border-color .2s ease;
}
.metric:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.5)}
.metric .num{
  font-size:clamp(24px,2.6vw,32px);font-weight:800;color:var(--gold-2);
  letter-spacing:.5px;line-height:1.2;
}
.metric .lbl{margin-top:6px;font-size:13.2px;color:#a9b4d6}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px;padding-left:30px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--gold),rgba(55,230,208,.35),transparent);
}
.tl-item{position:relative;padding:0 0 24px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-27px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--ink-950);border:2px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.12);
}
.tl-item h3{font-size:16.5px;color:#fff;margin-bottom:6px}
.tl-item h3 span{font-size:12.5px;color:var(--cyan);margin-left:8px;font-weight:600}
.tl-item p{font-size:14.4px;color:var(--muted);margin:0}

/* ---------- stage table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:rgba(20,26,52,.7)}
table.stage{width:100%;border-collapse:collapse;min-width:640px;font-size:14.2px}
table.stage th,table.stage td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
table.stage th{background:rgba(255,255,255,.05);color:#fff;font-size:13.4px;letter-spacing:.4px;font-weight:700}
table.stage tbody tr{transition:background .18s ease}
table.stage tbody tr:hover{background:rgba(255,180,0,.06)}
table.stage td{color:#c3cbe2}
table.stage td.hi{color:var(--gold-2);font-weight:700}
table.stage tbody tr:last-child td{border-bottom:0}

/* ---------- faq ---------- */
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--card);
  padding:0 20px;margin-bottom:12px;transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.4);background:var(--card-2)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:16px 0;font-size:15.6px;font-weight:600;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--gold);font-size:20px;line-height:1;flex-shrink:0}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{padding:0 0 18px;color:var(--muted);font-size:14.6px}

/* ---------- related list ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{
  display:flex;flex-direction:column;overflow:hidden;padding:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.35)}
.related-card img{width:100%;height:150px;object-fit:cover;opacity:.9}
.related-card .rc-body{padding:16px 18px 20px}
.related-card h3{font-size:15.4px;color:#fff;margin-bottom:8px;line-height:1.5}
.related-card p{font-size:13.4px;color:var(--muted);margin:0}
.related-card .rc-more{margin-top:12px;font-size:13px;color:var(--gold-2);font-weight:600}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid rgba(255,180,0,.28);
  background:linear-gradient(120deg,rgba(255,180,0,.16),rgba(18,23,54,.9) 62%);
  padding:38px 34px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(55,230,208,.22),transparent 70%);
}
.cta-band h2{font-size:clamp(20px,2.2vw,28px);color:#fff;position:relative}
.cta-band p{margin-top:12px;color:#c3cbe2;max-width:680px;font-size:14.8px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;position:relative}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--line);padding:52px 0 26px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:13.8px;color:#8f9ab9;max-width:420px;margin:0}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col a,.footer-col span{display:block;font-size:13.6px;color:#8f9ab9;margin-bottom:9px;transition:color .18s ease}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.8px;color:#77809d;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:980px){
  .main-nav{display:none}
  .nav-toggle{display:grid;place-items:center}
  .cmd-search{display:none}
}
@media (max-width:768px){
  .container-x{padding:0 18px}
  .header-inner{height:62px;gap:12px}
  .brand-text{font-size:14.5px}
  .section{padding:44px 0}
  .article-hero-inner{padding:38px 0 40px}
  .grid-3,.related-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 22px}
  .hero-actions .btn{flex:1 1 auto}
}
@media (max-width:520px){
  .grid-4{grid-template-columns:1fr 1fr}
  .brand-text em{display:none}
  .brand-text{font-size:13.5px;letter-spacing:0}
  .article-meta{gap:8px}
  .chip{font-size:11.8px;padding:3px 10px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .prose{font-size:15px}
  .hero-actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
 --ink-950:#080b18;
 --ink-900:#0c1024;
 --ink-800:#121736;
 --ink-700:#1a1f3d;
 --card:#141a34;
 --card-2:#181f3d;
 --line:rgba(255,255,255,.08);
 --line-strong:rgba(255,255,255,.18);
 --text:#e9edfa;
 --muted:#98a3c4;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --cyan:#37e6d0;
 --radius:14px;
 --radius-lg:20px;
 --shadow:0 18px 40px -24px rgba(0,0,0,.9);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 background:
 radial-gradient(1000px 500px at 84% -8%, rgba(255,180,0,.10), transparent 62%),
 radial-gradient(820px 420px at 6% 6%, rgba(55,230,208,.08), transparent 60%),
 var(--ink-950);
 color:var(--text);
 font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3,h4,p{margin:0}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(10,14,30,.88);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(140deg,#ffd166,#ffb400 55%,#e09b00);
 color:#1a1400;font-weight:800;font-size:18px;
 box-shadow:0 8px 20px -10px rgba(255,180,0,.9);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.4px;color:#fff;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--gold);margin-left:4px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
 padding:8px 14px;border-radius:10px;font-size:14.5px;color:#b9c2dc;
 transition:color .18s ease,background .18s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#0f1224;background:linear-gradient(135deg,var(--gold-2),var(--gold));font-weight:600}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
 display:flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.05);
 border:1px solid var(--line);
 border-radius:12px;padding:7px 10px 7px 12px;
 transition:border-color .2s ease,background .2s ease;
}
.cmd-search:focus-within{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.08)}
.cmd-search svg{width:15px;height:15px;stroke:var(--muted);fill:none;stroke-width:2;flex-shrink:0}
.cmd-search input{
 width:158px;background:transparent;border:0;outline:none;color:var(--text);
 font-size:13.5px;
}
.cmd-search input::placeholder{color:#77809d}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:12px;font-weight:600;font-size:15px;padding:11px 22px;
 border:1px solid transparent;cursor:pointer;
 transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-gold{
 background:linear-gradient(135deg,#ffd166,#ffb400 60%,#f0a000);
 color:#1c1503;box-shadow:0 12px 26px -16px rgba(255,180,0,.95);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(255,180,0,1)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{
 background:rgba(255,255,255,.05);color:#e8ecf9;border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,summary:focus-visible{
 outline:2px solid var(--gold);outline-offset:3px;border-radius:8px;
}
.nav-toggle{
 display:none;width:40px;height:40px;border-radius:10px;
 background:rgba(255,255,255,.06);border:1px solid var(--line);
 color:#fff;font-size:17px;line-height:1;cursor:pointer;
}
.mobile-nav{
 border-top:1px solid var(--line);
 background:rgba(8,11,24,.98);
 padding:12px 24px 20px;
 display:flex;flex-direction:column;gap:6px;
}
.mobile-nav .nav-link{display:block;padding:11px 12px;font-size:15px}
.mobile-nav .btn{margin-top:10px;width:100%}
/* ---------- hero ---------- */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.40}
.cat-hero-veil{
 position:absolute;inset:0;
 background:linear-gradient(100deg,rgba(8,11,24,.97) 8%,rgba(8,11,24,.86) 46%,rgba(18,23,54,.68) 100%);
}
.cat-hero-inner{
 position:relative;display:grid;grid-template-columns:1.18fr .82fr;gap:48px;align-items:center;
 padding-top:58px;padding-bottom:62px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:#8f9ab9;letter-spacing:.4px}
.crumb a{color:#b7c1dc}
.crumb a:hover{color:var(--gold-2)}
.crumb span{color:#5d6787}
.hero-kicker{
 display:inline-flex;align-items:center;gap:8px;margin-top:16px;
 font-size:13px;color:var(--gold-2);letter-spacing:1px;
 border:1px solid rgba(255,180,0,.35);background:rgba(255,180,0,.09);
 border-radius:999px;padding:5px 14px;
}
.cat-hero h1{
 margin-top:18px;font-size:clamp(27px,3.2vw,42px);line-height:1.3;
 font-weight:800;letter-spacing:.4px;
 background:linear-gradient(120deg,#ffffff 30%,#ffe0a3 70%,#ffb400 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;font-size:15.5px;color:#c2cae1;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-panel{
 background:linear-gradient(160deg,rgba(24,31,61,.94),rgba(14,19,42,.92));
 border:1px solid var(--line-strong);border-radius:var(--radius-lg);
 padding:24px;box-shadow:var(--shadow);
 backdrop-filter:blur(6px);
 transform:translateY(-14px) rotate(.4deg);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.panel-note{font-size:12.5px;color:#8b96b6}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12px;color:var(--gold-2);
 background:rgba(255,180,0,.1);border:1px solid rgba(255,180,0,.28);
 border-radius:999px;padding:3px 10px;
}
.tag-soft{color:#a9b4d6;background:rgba(255,255,255,.06);border-color:var(--line)}
.kpi-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.kpi{
 background:rgba(255,255,255,.04);border:1px solid var(--line);
 border-radius:12px;padding:14px 16px;
}
.kpi-num{display:block;font-size:24px;font-weight:800;color:#fff;letter-spacing:.5px}
.kpi-num em{font-style:normal;font-size:13px;color:var(--gold);margin-left:3px;font-weight:700}
.kpi-label{display:block;margin-top:4px;font-size:12.5px;color:var(--muted)}
.panel-bar{
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 margin-top:16px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.14);
 font-size:12.5px;color:#9aa5c4;
}
/* ---------- sections ---------- */
.section{padding:66px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.section.alt{background:linear-gradient(180deg,rgba(26,31,61,.42),rgba(8,11,24,.1))}
.section.last{border-bottom:0}
.section-head{max-width:780px;margin-bottom:34px}
.eyebrow{
 display:inline-block;font-size:12.5px;letter-spacing:1.6px;color:var(--cyan);
 margin-bottom:10px;
}
.section-head h2{font-size:clamp(22px,2.4vw,31px);font-weight:800;line-height:1.35;color:#fff}
.section-head p{margin-top:12px;color:var(--muted);font-size:14.8px}
.card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow);
 transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.35);box-shadow:0 24px 44px -28px rgba(0,0,0,1)}
.card h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.card p{font-size:14.2px;color:var(--muted)}
/* split */
.split{display:grid;grid-template-columns:1fr 1.08fr;gap:44px;align-items:center}
.split.rev{grid-template-columns:1.08fr 1fr}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;min-height:300px;object-fit:cover;transition:transform .5s ease}
.split-media:hover img{transform:scale(1.04)}
.split-media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(8,11,24,.05),rgba(8,11,24,.55));
}
.point-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.point{
 display:grid;grid-template-columns:38px 1fr;gap:14px;
 background:rgba(255,255,255,.035);border:1px solid var(--line);
 border-radius:var(--radius);padding:16px 18px;
 transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.point:hover{border-color:rgba(255,180,0,.32);background:rgba(255,255,255,.06);transform:translateX(3px)}
.point-idx{
 width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
 background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.32);
 color:var(--gold);font-weight:800;font-size:14px;
}
.point h3{font-size:16px;color:#fff;font-weight:700;margin-bottom:5px}
.point p{font-size:14px;color:var(--muted);margin:0}
/* steps */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
 position:relative;background:var(--card-2);border:1px solid var(--line);
 border-radius:var(--radius);padding:22px 20px 20px;
 transition:transform .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-5px);border-color:rgba(55,230,208,.34)}
.step-num{
 font-size:13px;font-weight:800;letter-spacing:2px;color:var(--cyan);
}
.step h3{margin-top:8px;font-size:16.5px;color:#fff;font-weight:700}
.step p{margin-top:8px;font-size:13.8px;color:var(--muted)}
.step::after{
 content:"";position:absolute;left:22px;right:22px;bottom:-1px;height:2px;
 background:linear-gradient(90deg,var(--gold),transparent);opacity:.5;
}
/* ratio rows */
.ratio-wrap{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:rgba(20,26,52,.6)}
.ratio-row{
 display:grid;grid-template-columns:1.1fr 1.4fr 1fr 1.2fr;gap:16px;
 padding:18px 22px;border-bottom:1px solid var(--line);
 font-size:14px;align-items:center;
 transition:background .2s ease;
}
.ratio-row:last-child{border-bottom:0}
.ratio-row:hover{background:rgba(255,255,255,.035)}
.ratio-row.head{
 background:rgba(255,180,0,.08);font-size:12.5px;letter-spacing:1.2px;
 color:var(--gold-2);font-weight:700;
}
.ratio-row.head:hover{background:rgba(255,180,0,.08)}
.ratio-name{color:#fff;font-weight:700}
.ratio-name em{display:block;font-style:normal;font-weight:400;font-size:12.5px;color:#8d98b8;margin-top:2px}
.ratio-range{color:var(--gold-2);font-weight:700;letter-spacing:.4px}
.ratio-note{color:#9ba6c5;font-size:13.4px}
/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px}
.compare-box.good{border-color:rgba(55,230,208,.3);background:linear-gradient(180deg,rgba(55,230,208,.07),rgba(20,26,52,.9))}
.compare-box h3{font-size:16.5px;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.dot{width:9px;height:9px;border-radius:50%;background:var(--gold);flex-shrink:0}
.dot.cyan{background:var(--cyan)}
.tick-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.tick-list li{
 position:relative;padding-left:20px;font-size:14.1px;color:var(--muted);line-height:1.7;
}
.tick-list li::before{
 content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
 background:rgba(255,180,0,.75);
}
.compare-box.good .tick-list li::before{background:var(--cyan)}
/* fit */
.fit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fit-card{
 background:linear-gradient(170deg,rgba(24,31,61,.95),rgba(14,19,42,.9));
 border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:24px;transition:transform .2s ease,border-color .2s ease;
}
.fit-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.32)}
.fit-card h3{font-size:17px;color:#fff;margin:12px 0 8px}
.fit-card p{font-size:14px;color:var(--muted)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
 font-size:12.8px;color:#b9c4e0;background:rgba(255,255,255,.05);
 border:1px solid var(--line);border-radius:999px;padding:6px 14px;
 transition:color .2s ease,border-color .2s ease;
}
.chip:hover{color:var(--gold-2);border-color:rgba(255,180,0,.4)}
/* faq */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px}
.faq-item{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:0 20px;transition:border-color .2s ease;
}
.faq-item:hover{border-color:rgba(255,255,255,.2)}
.faq-item[open]{border-color:rgba(255,180,0,.34)}
.faq-item summary{
 cursor:pointer;padding:18px 0;font-weight:600;color:#fff;font-size:15.4px;
 list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";color:var(--gold);font-size:20px;line-height:1;
 transition:transform .2s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 0 18px;color:var(--muted);font-size:14.3px}
/* cta */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 padding:42px 44px;border:1px solid rgba(255,180,0,.3);
 background:
 linear-gradient(120deg,rgba(255,180,0,.16),rgba(55,230,208,.08) 58%,rgba(20,26,52,.94));
 display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.2vw,27px);color:#fff;font-weight:800}
.cta-band p{margin-top:10px;color:#c8d1e6;font-size:14.6px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* footer */
.site-footer{background:rgba(8,11,24,.94);border-top:1px solid var(--line);padding:54px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
.footer-brand p{margin-top:16px;font-size:13.8px;color:var(--muted);max-width:420px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.4px}
.footer-col a,.footer-col span{display:block;font-size:13.6px;color:#9ba6c5;margin-bottom:9px}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
 font-size:12.8px;color:#7c87a6;
}
/* responsive */
@media (max-width:1024px){
 .main-nav{display:none}
 .cmd-search{display:none}
 .nav-toggle{display:block}
 .cat-hero-inner{grid-template-columns:1fr;gap:32px;padding-top:44px;padding-bottom:48px}
 .hero-panel{transform:none;max-width:560px}
 .split,.split.rev{grid-template-columns:1fr;gap:28px}
 .split.rev .split-media{order:-1}
 .step-grid{grid-template-columns:repeat(2,1fr)}
 .fit-grid{grid-template-columns:1fr 1fr}
 .footer-top{grid-template-columns:1fr 1fr}
}
@media (min-width:1025px){
 .mobile-nav{display:none !important}
}
@media (max-width:768px){
 .section{padding:48px 0}
 .container-x{padding:0 18px}
 .header-inner{height:64px;gap:12px}
 .brand-text{font-size:14.5px}
 .ratio-row{grid-template-columns:1fr 1fr;gap:8px;padding:16px 18px}
 .ratio-row.head{display:none}
 .ratio-row > div:nth-child(4){grid-column:1 / -1;color:#8b96b6;font-size:13px}
 .compare{grid-template-columns:1fr}
 .fit-grid{grid-template-columns:1fr}
 .cta-band{padding:28px 22px}
 .cta-actions{width:100%}
 .cta-actions .btn{flex:1 1 100%}
 .footer-top{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
 .hero-actions .btn{flex:1 1 100%}
 .step-grid{grid-template-columns:1fr}
 .kpi-grid{grid-template-columns:1fr 1fr;gap:10px}
 .kpi{padding:12px}
 .kpi-num{font-size:20px}
 .hero-lead{font-size:14.6px}
 .split-media img{min-height:210px}
}

/* roulang page: category2 */
:root{
 --ink-950:#080b18;
 --ink-900:#0c1024;
 --ink-800:#121736;
 --ink-700:#1a1f3d;
 --card:#141a34;
 --card-2:#181f3d;
 --line:rgba(255,255,255,.08);
 --line-strong:rgba(255,255,255,.18);
 --text:#e9edfa;
 --muted:#98a3c4;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --cyan:#37e6d0;
 --radius:14px;
 --radius-lg:20px;
 --shadow:0 18px 40px -24px rgba(0,0,0,.9);
 --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 background:
 radial-gradient(1000px 500px at 84% -8%, rgba(255,180,0,.10), transparent 62%),
 radial-gradient(820px 420px at 6% 6%, rgba(55,230,208,.08), transparent 60%),
 var(--ink-950);
 color:var(--text);
 font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:8px}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(10,14,30,.88);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(140deg,#ffd166,#ffb400 55%,#e09b00);
 color:#1a1400;font-weight:800;font-size:18px;
 box-shadow:0 8px 20px -10px rgba(255,180,0,.9);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.4px;color:#fff;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--gold);margin-left:4px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
 padding:8px 14px;border-radius:10px;font-size:14.5px;color:#b9c2dc;
 transition:color .18s ease,background .18s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#0f1224;background:linear-gradient(135deg,var(--gold-2),var(--gold));font-weight:600}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
 display:flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.05);
 border:1px solid var(--line);
 border-radius:12px;padding:7px 10px 7px 12px;
 transition:border-color .2s ease,background .2s ease;
}
.cmd-search:focus-within{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.08)}
.cmd-search svg{width:15px;height:15px;stroke:var(--muted);fill:none;stroke-width:2;flex-shrink:0}
.cmd-search input{
 width:168px;background:transparent;border:0;outline:none;color:var(--text);
 font-size:13.5px;
}
.cmd-search input::placeholder{color:#77809d}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:12px;font-weight:600;font-size:15px;padding:11px 22px;
 border:1px solid transparent;cursor:pointer;
 transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-gold{
 background:linear-gradient(135deg,#ffd166,#ffb400 60%,#f0a000);
 color:#1c1503;box-shadow:0 12px 26px -16px rgba(255,180,0,.95);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(255,180,0,1)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{
 background:rgba(255,255,255,.05);color:#e8ecf9;border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.nav-toggle{
 display:none;width:40px;height:40px;border-radius:10px;
 background:rgba(255,255,255,.06);border:1px solid var(--line);
 color:#fff;font-size:17px;line-height:1;
 cursor:pointer;
}
.mobile-nav{
 display:none;
 border-top:1px solid var(--line);
 background:rgba(8,11,24,.98);
 padding:12px 24px 20px;
 flex-direction:column;gap:6px;
}
.mobile-nav.is-open{display:flex}
.mobile-nav .nav-link{display:block;padding:11px 12px;font-size:15px}
.mobile-nav .btn{margin-top:10px;width:100%}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5}
.hero-veil{
 position:absolute;inset:0;
 background:linear-gradient(96deg,rgba(8,11,24,.96) 8%,rgba(8,11,24,.84) 46%,rgba(18,23,54,.66) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .95fr;gap:46px;align-items:start;padding-top:54px;padding-bottom:56px}
.hero-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;color:var(--gold-2);letter-spacing:1px;
 border:1px solid rgba(255,180,0,.35);background:rgba(255,180,0,.09);
 border-radius:999px;padding:5px 14px;
}
.hero h1{
 margin-top:18px;font-size:clamp(27px,3.2vw,42px);line-height:1.3;
 font-weight:800;letter-spacing:.4px;
 background:linear-gradient(120deg,#ffffff 28%,#ffe0a3 70%,#ffb400 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;font-size:15.5px;color:#c2cae1;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:32px;max-width:620px}
.hero-stat{
 background:rgba(255,255,255,.04);border:1px solid var(--line);
 border-radius:12px;padding:12px 14px;
}
.hero-stat b{display:block;font-size:19px;color:var(--gold-2);line-height:1.3}
.hero-stat span{font-size:12.5px;color:var(--muted)}

/* level panel */
.level-panel{
 background:linear-gradient(180deg,rgba(24,31,61,.96),rgba(12,16,36,.98));
 border:1px solid var(--line-strong);border-radius:var(--radius-lg);
 padding:22px;box-shadow:var(--shadow);
}
.level-panel h2{font-size:14px;font-weight:700;color:#fff;letter-spacing:.6px;margin:0 0 4px}
.level-panel .panel-sub{font-size:12.5px;color:var(--muted);margin:0 0 16px}
.level-row{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:11px 14px;border-radius:12px;border:1px solid var(--line);
 background:rgba(255,255,255,.03);margin-bottom:10px;
 cursor:pointer;transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.level-row:hover{border-color:rgba(255,180,0,.45);background:rgba(255,180,0,.07);transform:translateX(2px)}
.level-row .lv-name{font-size:14px;color:#e6ebf9;font-weight:600}
.level-row .lv-name small{display:block;font-size:11.5px;color:var(--muted);font-weight:400;letter-spacing:.3px}
.level-row .lv-rate{font-size:14px;font-weight:700;color:var(--gold-2);white-space:nowrap}
.level-row.is-on{
 border-color:rgba(255,180,0,.75);
 background:linear-gradient(120deg,rgba(255,180,0,.18),rgba(255,180,0,.05));
 box-shadow:0 10px 26px -18px rgba(255,180,0,.9);
}
.level-row.is-on .lv-rate{color:#fff}
.panel-note{font-size:12.5px;color:var(--muted);margin:6px 0 16px;display:flex;gap:8px;align-items:flex-start}
.panel-note i{width:6px;height:6px;border-radius:50%;background:var(--cyan);margin-top:8px;flex-shrink:0}

/* ---------- sections ---------- */
.section{padding:66px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.section.alt{background:linear-gradient(180deg,rgba(26,31,61,.45),rgba(8,11,24,.12))}
.section-head{max-width:760px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
 display:inline-block;font-size:12.5px;letter-spacing:1.6px;color:var(--cyan);
 text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:clamp(22px,2.4vw,31px);font-weight:800;line-height:1.35;color:#fff;margin:0}
.section-head p{margin-top:12px;color:var(--muted);font-size:14.8px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow);
 transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.35);box-shadow:0 24px 44px -28px rgba(0,0,0,1)}
.card h3{font-size:17px;font-weight:700;color:#fff;margin:0 0 8px}
.card p{font-size:14.2px;color:var(--muted);margin:0}
.card .num{
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
 background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.3);
 color:var(--gold-2);font-weight:800;font-size:15px;margin-bottom:14px;
}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12px;color:var(--gold-2);
 background:rgba(255,180,0,.1);border:1px solid rgba(255,180,0,.28);
 border-radius:999px;padding:3px 10px;
}
.tag-soft{color:#a9b4d6;background:rgba(255,255,255,.06);border-color:var(--line)}
.tag-cyan{color:#7ff0e2;background:rgba(55,230,208,.1);border-color:rgba(55,230,208,.3)}

/* map block */
.map-split{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}
.map-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.map-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.map-figure .fig-cap{
 position:absolute;left:0;right:0;bottom:0;padding:14px 18px;
 background:linear-gradient(180deg,transparent,rgba(8,11,24,.92));
 font-size:13px;color:#cfd7ec;
}
.route-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:10px}
.route-list li{
 display:flex;gap:14px;align-items:flex-start;
 background:rgba(255,255,255,.035);border:1px solid var(--line);
 border-radius:12px;padding:13px 16px;
 transition:border-color .2s ease,background .2s ease;
}
.route-list li:hover{border-color:rgba(55,230,208,.4);background:rgba(55,230,208,.06)}
.route-list .rl-key{
 flex-shrink:0;min-width:86px;font-size:13px;font-weight:700;color:var(--cyan);
}
.route-list .rl-txt{font-size:13.8px;color:#c3cbe2}
.route-list .rl-txt b{color:#fff;font-weight:700}

/* steps */
.steps{display:grid;gap:16px;counter-reset:step}
.step{
 display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:center;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;transition:border-color .2s ease,transform .2s ease;
}
.step:hover{border-color:rgba(255,180,0,.4);transform:translateY(-3px)}
.step::before{
 counter-increment:step;content:"0" counter(step);
 font-size:24px;font-weight:800;color:rgba(255,180,0,.75);line-height:1;
}
.step h3{font-size:16.5px;font-weight:700;color:#fff;margin:0 0 4px}
.step p{font-size:14px;color:var(--muted);margin:0}
.step .step-meta{font-size:12.5px;color:var(--gold-2);white-space:nowrap;border:1px dashed rgba(255,180,0,.4);border-radius:999px;padding:4px 12px}

/* data cells */
.data-cell{
 background:linear-gradient(160deg,rgba(24,31,61,.95),rgba(12,16,36,.95));
 border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 20px;text-align:left;
 transition:border-color .2s ease,transform .2s ease;
}
.data-cell:hover{border-color:rgba(255,180,0,.45);transform:translateY(-3px)}
.data-cell .dc-label{font-size:13px;color:var(--muted);margin-bottom:8px;display:block}
.data-cell .dc-value{font-size:clamp(26px,2.6vw,34px);font-weight:800;color:#fff;line-height:1.1;letter-spacing:.5px}
.data-cell .dc-value em{font-style:normal;color:var(--gold);font-size:16px;margin-left:2px}
.data-cell .dc-foot{display:block;margin-top:10px;font-size:12.6px;color:var(--muted)}
.bar{height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:12px}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--gold))}

/* quotes */
.quote-card{
 background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;display:flex;flex-direction:column;gap:14px;
 transition:border-color .2s ease,background .2s ease;
}
.quote-card:hover{border-color:rgba(255,180,0,.35);background:rgba(255,180,0,.05)}
.quote-card blockquote{margin:0;font-size:14.4px;color:#d2d9ec;line-height:1.8}
.quote-who{display:flex;align-items:center;gap:10px}
.quote-who .ava{
 width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
 background:linear-gradient(140deg,#37e6d0,#1f8f88);color:#04211f;font-weight:800;font-size:14px;
}
.quote-who b{font-size:13.6px;color:#fff;display:block;line-height:1.4}
.quote-who span{font-size:12px;color:var(--muted)}

/* fit list */
.fit-card{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:border-color .2s ease,transform .2s ease}
.fit-card:hover{border-color:rgba(55,230,208,.4);transform:translateY(-3px)}
.fit-icon{
 width:44px;height:44px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;
 background:rgba(55,230,208,.1);border:1px solid rgba(55,230,208,.28);color:var(--cyan);font-weight:800;
}
.fit-card h3{font-size:16px;color:#fff;margin:0 0 6px}
.fit-card p{font-size:14px;color:var(--muted);margin:0}

/* latest posts */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post-card{
 display:flex;flex-direction:column;gap:10px;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px;box-shadow:var(--shadow);
 transition:transform .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.4)}
.post-card .pc-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.post-card h3{font-size:16px;color:#fff;margin:0;line-height:1.55}
.post-card h3 a{transition:color .18s ease}
.post-card h3 a:hover{color:var(--gold-2)}
.post-card p{font-size:13.6px;color:var(--muted);margin:0}
.post-empty{
 grid-column:1/-1;text-align:center;padding:34px 20px;border:1px dashed var(--line-strong);
 border-radius:var(--radius);color:var(--muted);font-size:14px;
}

/* CTA band */
.cta-band{
 position:relative;overflow:hidden;
 border:1px solid rgba(255,180,0,.35);border-radius:var(--radius-lg);
 background:
 radial-gradient(700px 300px at 90% 0%, rgba(255,180,0,.18), transparent 65%),
 linear-gradient(140deg,rgba(26,31,61,.96),rgba(12,16,36,.98));
 padding:40px 38px;display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;
 box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(21px,2.2vw,28px);font-weight:800;color:#fff;margin:0 0 10px;line-height:1.4}
.cta-band p{margin:0;font-size:14.6px;color:#c2cae1;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(6,9,20,.9);padding:52px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px;padding-bottom:32px;border-bottom:1px solid var(--line)}
.footer-brand p{margin:16px 0 0;font-size:13.8px;color:var(--muted);max-width:430px;line-height:1.85}
.footer-col h4{font-size:13.5px;color:#fff;margin:0 0 14px;letter-spacing:.6px}
.footer-col a,.footer-col span{display:block;font-size:13.6px;color:var(--muted);margin-bottom:9px;transition:color .18s ease}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding-top:20px;font-size:12.8px;color:#7d87a6}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .main-nav{display:none}
 .nav-toggle{display:block}
 .cmd-search input{width:120px}
 .hero-inner{grid-template-columns:1fr;gap:34px;padding-top:42px;padding-bottom:46px}
 .hero-stats{grid-template-columns:repeat(4,1fr);max-width:none}
 .map-split{grid-template-columns:1fr;gap:26px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .post-grid{grid-template-columns:repeat(2,1fr)}
 .cta-band{grid-template-columns:1fr;padding:32px 26px}
 .cta-actions{justify-content:flex-start}
 .footer-top{grid-template-columns:1fr 1fr;gap:26px}
 .footer-brand{grid-column:1/-1}
}
@media (max-width:768px){
 .header-inner{height:64px;gap:12px}
 .header-tools .cmd-search{display:none}
 .section{padding:48px 0}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
 .post-grid{grid-template-columns:1fr}
 .hero-stats{grid-template-columns:repeat(2,1fr)}
 .step{grid-template-columns:1fr;gap:10px}
 .step::before{font-size:20px}
 .step .step-meta{justify-self:start}
 .footer-top{grid-template-columns:1fr}
}
@media (max-width:520px){
 .container-x{padding:0 16px}
 .brand-text{font-size:14.5px}
 .brand-text em{display:none}
 .hero h1{font-size:24px}
 .hero-lead{font-size:14.2px}
 .btn{padding:10px 18px;font-size:14px}
 .hero-actions .btn{flex:1 1 100%}
 .level-panel{padding:18px}
 .card,.data-cell,.quote-card{padding:18px}
 .cta-band{padding:26px 20px}
 .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category3 */
:root{
 --ink-950:#080b18;
 --ink-900:#0c1024;
 --ink-800:#121736;
 --ink-700:#1a1f3d;
 --card:#141a34;
 --card-2:#181f3d;
 --line:rgba(255,255,255,.08);
 --line-strong:rgba(255,255,255,.18);
 --text:#e9edfa;
 --muted:#98a3c4;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --cyan:#37e6d0;
 --radius:14px;
 --radius-lg:20px;
 --shadow:0 18px 40px -24px rgba(0,0,0,.9);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 background:
 radial-gradient(1000px 500px at 84% -8%, rgba(255,180,0,.10), transparent 62%),
 radial-gradient(820px 420px at 6% 6%, rgba(55,230,208,.08), transparent 60%),
 var(--ink-950);
 color:var(--text);
 font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 line-height:1.75;
 -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}
button{font:inherit}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(10,14,30,.88);
 backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(140deg,#ffd166,#ffb400 55%,#e09b00);
 color:#1a1400;font-weight:800;font-size:18px;
 box-shadow:0 8px 20px -10px rgba(255,180,0,.9);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.4px;color:#fff;white-space:nowrap}
.brand-text em{font-style:normal;color:var(--gold);margin-left:4px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
 padding:8px 14px;border-radius:10px;font-size:14.5px;color:#b9c2dc;
 transition:color .18s ease,background .18s ease;
 white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-link.is-active{color:#0f1224;background:linear-gradient(135deg,var(--gold-2),var(--gold));font-weight:600}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
 display:flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.05);
 border:1px solid var(--line);
 border-radius:12px;padding:7px 10px 7px 12px;
 transition:border-color .2s ease,background .2s ease;
}
.cmd-search:focus-within{border-color:rgba(255,180,0,.6);background:rgba(255,255,255,.08)}
.cmd-search svg{width:15px;height:15px;stroke:var(--muted);fill:none;stroke-width:2;flex-shrink:0}
.cmd-search input{
 width:158px;background:transparent;border:0;outline:none;color:var(--text);
 font-size:13.5px;
}
.cmd-search input::placeholder{color:#77809d}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:12px;font-weight:600;font-size:15px;padding:11px 22px;
 border:1px solid transparent;cursor:pointer;
 transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-gold{
 background:linear-gradient(135deg,#ffd166,#ffb400 60%,#f0a000);
 color:#1c1503;box-shadow:0 12px 26px -16px rgba(255,180,0,.95);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(255,180,0,1)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{
 background:rgba(255,255,255,.05);color:#e8ecf9;border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}
.nav-toggle{
 display:none;width:40px;height:40px;border-radius:10px;
 background:rgba(255,255,255,.06);border:1px solid var(--line);
 color:#fff;font-size:17px;line-height:1;cursor:pointer;
}
.mobile-nav{
 border-top:1px solid var(--line);
 background:rgba(8,11,24,.98);
 padding:12px 24px 20px;
 display:flex;flex-direction:column;gap:6px;
}
.mobile-nav[hidden]{display:none}
.mobile-nav .nav-link{display:block;padding:11px 12px;font-size:15px}
.mobile-nav .btn{margin-top:10px;width:100%}
/* ---------- category hero ---------- */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.cat-hero-veil{
 position:absolute;inset:0;
 background:linear-gradient(100deg,rgba(8,11,24,.97) 6%,rgba(8,11,24,.86) 46%,rgba(18,23,54,.66) 100%);
}
.cat-hero-inner{
 position:relative;display:grid;grid-template-columns:1.3fr .85fr;gap:44px;
 align-items:center;padding-top:46px;padding-bottom:52px;
}
.crumb{font-size:13px;color:#8c96b6;margin-bottom:16px;letter-spacing:.4px}
.crumb a{color:#b8c1db}
.crumb a:hover{color:var(--gold-2)}
.hero-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;color:var(--gold-2);letter-spacing:1px;
 border:1px solid rgba(255,180,0,.35);background:rgba(255,180,0,.09);
 border-radius:999px;padding:5px 14px;
}
.cat-hero h1{
 margin-top:16px;font-size:clamp(27px,3.2vw,42px);line-height:1.28;font-weight:800;letter-spacing:.4px;
 background:linear-gradient(120deg,#ffffff 30%,#ffe0a3 72%,#ffb400 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:16px;font-size:15.5px;color:#c2cae1;max-width:620px}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-panel{
 background:linear-gradient(160deg,rgba(24,31,61,.96),rgba(14,18,38,.96));
 border:1px solid var(--line-strong);border-radius:var(--radius-lg);
 padding:22px;box-shadow:var(--shadow);
}
.hero-panel h2{font-size:14px;letter-spacing:1.2px;color:var(--cyan);font-weight:600;text-transform:uppercase}
.panel-row{
 display:flex;align-items:baseline;justify-content:space-between;gap:12px;
 padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.1);
}
.panel-row:last-child{border-bottom:0;padding-bottom:0}
.panel-row span{font-size:13.5px;color:var(--muted)}
.panel-num{font-size:19px;font-weight:800;color:var(--gold-2);font-variant-numeric:tabular-nums}
.panel-note{margin-top:14px;font-size:12.5px;color:#7f89a8;line-height:1.6}
/* ---------- sections ---------- */
.section{padding:66px 0;border-bottom:1px solid rgba(255,255,255,.05)}
.section.alt{background:linear-gradient(180deg,rgba(26,31,61,.42),rgba(8,11,24,.1))}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
 display:inline-block;font-size:12.5px;letter-spacing:1.6px;color:var(--cyan);
 text-transform:uppercase;margin-bottom:10px;font-weight:600;
}
.section-head h2{font-size:clamp(22px,2.4vw,31px);font-weight:800;line-height:1.35;color:#fff}
.section-head p{margin-top:12px;color:var(--muted);font-size:14.8px}
.card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow);
 transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.35);box-shadow:0 24px 44px -28px rgba(0,0,0,1)}
.card h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.card p{font-size:14.2px;color:var(--muted)}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12px;color:var(--gold-2);
 background:rgba(255,180,0,.1);border:1px solid rgba(255,180,0,.28);
 border-radius:999px;padding:3px 10px;white-space:nowrap;
}
.tag-soft{color:#a9b4d6;background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.14)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
/* metrics */
.metric-strip{
 display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
 background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.metric-item{background:rgba(12,16,36,.92);padding:22px 20px}
.metric-item strong{display:block;font-size:26px;font-weight:800;color:var(--gold-2);line-height:1.2;font-variant-numeric:tabular-nums}
.metric-item span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}
/* point cards */
.point-card{position:relative;overflow:hidden;padding-top:26px}
.point-card::before{
 content:"";position:absolute;left:0;top:0;width:100%;height:3px;
 background:linear-gradient(90deg,var(--gold),rgba(255,180,0,0));
}
.point-num{font-size:12.5px;letter-spacing:2px;color:var(--cyan);font-weight:700}
.point-card h3{margin-top:10px}
/* scenes */
.scene-list{display:flex;flex-direction:column;gap:22px}
.scene-item{
 display:grid;grid-template-columns:.82fr 1.18fr;gap:0;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow);
 transition:border-color .2s ease,transform .2s ease;
}
.scene-item:hover{border-color:rgba(255,180,0,.3);transform:translateY(-3px)}
.scene-media{position:relative;min-height:250px;background:var(--ink-800)}
.scene-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.86}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,11,24,.1),rgba(20,26,52,.72))}
.scene-item:nth-child(even) .scene-media::after{background:linear-gradient(270deg,rgba(8,11,24,.1),rgba(20,26,52,.72))}
.scene-body{padding:28px 30px}
.scene-body h3{font-size:19px;font-weight:750;color:#fff;margin-top:10px}
.scene-body p{margin-top:10px;font-size:14.4px;color:var(--muted)}
.check-list{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.check-list li{position:relative;padding-left:22px;font-size:14px;color:#c6cee4}
.check-list li::before{
 content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
 background:var(--card-2);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 20px;position:relative;
 transition:border-color .2s ease,transform .2s ease;
}
.step:hover{border-color:rgba(55,230,208,.4);transform:translateY(-4px)}
.step-num{
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
 background:rgba(55,230,208,.12);border:1px solid rgba(55,230,208,.34);
 color:var(--cyan);font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;
}
.step h3{margin-top:14px;font-size:16px;font-weight:700;color:#fff}
.step p{margin-top:8px;font-size:13.6px;color:var(--muted)}
/* compare */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-col{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;
}
.compare-col.good{border-color:rgba(55,230,208,.26);background:linear-gradient(170deg,rgba(20,32,50,.95),rgba(14,18,38,.95))}
.compare-col.bad{border-color:rgba(255,180,0,.2)}
.compare-col h3{font-size:16.5px;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block}
.dot-good{background:var(--cyan);box-shadow:0 0 0 4px rgba(55,230,208,.14)}
.dot-bad{background:#ff9e6b;box-shadow:0 0 0 4px rgba(255,158,107,.14)}
.compare-list{display:flex;flex-direction:column;gap:14px}
.compare-list li{font-size:14.2px;color:#c3cbe2;padding-bottom:14px;border-bottom:1px dashed rgba(255,255,255,.08)}
.compare-list li:last-child{border-bottom:0;padding-bottom:0}
.compare-list strong{display:block;color:#fff;font-size:14.6px;margin-bottom:4px;font-weight:700}
/* record table */
.table-wrap{
 overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
 background:rgba(12,16,36,.7);
}
.record-table{width:100%;border-collapse:collapse;min-width:640px}
.record-table th,.record-table td{padding:15px 18px;text-align:left;font-size:14px}
.record-table thead th{
 background:rgba(26,31,61,.9);color:#ffe0a3;font-weight:700;font-size:13.5px;letter-spacing:.4px;
 border-bottom:1px solid var(--line-strong);white-space:nowrap;
}
.record-table tbody td{color:#c3cbe2;border-bottom:1px solid rgba(255,255,255,.06)}
.record-table tbody tr:last-child td{border-bottom:0}
.record-table tbody tr:hover td{background:rgba(255,180,0,.05)}
.record-table td:first-child{color:#fff;font-weight:600;white-space:nowrap}
/* posts */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
 display:flex;flex-direction:column;gap:10px;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow);
 transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.35);box-shadow:0 24px 44px -28px rgba(0,0,0,1)}
.post-card .tag{align-self:flex-start}
.post-card h3{font-size:16.5px;font-weight:700;color:#fff;line-height:1.5}
.post-card p{font-size:13.8px;color:var(--muted);flex:1}
.post-meta{font-size:12.5px;color:#7f89a8;letter-spacing:.4px}
.empty-note{
 padding:34px 22px;text-align:center;color:#8f99b8;font-size:14.5px;
 border:1px dashed var(--line-strong);border-radius:var(--radius);background:rgba(12,16,36,.6);
}
/* faq */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 24px;transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover,.faq-item:focus-within{border-color:rgba(255,180,0,.35);background:var(--card-2)}
.faq-q{font-size:15.8px;font-weight:700;color:#fff;display:flex;gap:10px;align-items:flex-start}
.faq-q .mark{color:var(--gold);font-weight:800}
.faq-a{margin-top:10px;font-size:14.2px;color:var(--muted);padding-left:24px}
/* cta */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 border:1px solid rgba(255,180,0,.26);
 background:linear-gradient(120deg,rgba(255,180,0,.14),rgba(55,230,208,.08) 60%,rgba(20,26,52,.9));
 padding:44px 40px;
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h2{font-size:clamp(20px,2.3vw,28px);font-weight:800;color:#fff;line-height:1.4}
.cta-band p{margin-top:10px;font-size:14.6px;color:#c3cbe2;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* footer */
.site-footer{border-top:1px solid var(--line);background:rgba(8,11,24,.96);padding:52px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px;padding-bottom:34px;border-bottom:1px solid var(--line)}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--muted);max-width:460px}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px;letter-spacing:.6px}
.footer-col a,.footer-col span{display:block;font-size:13.8px;color:#96a0bf;padding:5px 0;transition:color .18s ease}
.footer-col a:hover{color:var(--gold-2)}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 padding-top:22px;font-size:13px;color:#79839f;
}
/* responsive */
@media (max-width:1024px){
 .main-nav{display:none}
 .cmd-search{display:none}
 .nav-toggle{display:grid;place-items:center}
 .cat-hero-inner{grid-template-columns:1fr;gap:30px}
 .hero-panel{max-width:560px}
 .grid-3,.post-grid{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .metric-strip{grid-template-columns:repeat(2,1fr)}
 .scene-item{grid-template-columns:1fr}
 .scene-media{min-height:200px;position:relative}
 .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
 .header-inner{height:64px;gap:12px}
 .brand-text{font-size:14.5px}
 .section{padding:48px 0}
 .grid-2,.compare-grid{grid-template-columns:1fr}
 .card,.post-card{padding:18px}
 .cta-band{padding:30px 22px}
 .footer-top{grid-template-columns:1fr;gap:26px}
}
@media (max-width:520px){
 .container-x{padding:0 16px}
 .grid-3,.post-grid,.steps,.metric-strip{grid-template-columns:1fr}
 .hero-actions .btn{width:100%}
 .scene-body{padding:22px 18px}
 .cta-actions .btn{width:100%}
 .footer-bottom{flex-direction:column}
 .record-table th,.record-table td{padding:12px 14px}
}