/* roulang page: index */
:root{
  --deep:#0b0f22;
  --deep-2:#111634;
  --panel:#1a1f3d;
  --panel-2:#161b38;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --gold-deep:#ff8a00;
  --cyan:#38e1d5;
  --text:#e9ecff;
  --muted:#9aa3c7;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 18px 44px rgba(4,7,20,.5);
  --shadow-gold:0 14px 34px rgba(255,180,0,.28);
  --space:78px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  line-height:1.75;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(56,225,213,.14), transparent 62%),
    radial-gradient(760px 460px at 88% 4%, rgba(255,180,0,.14), transparent 60%),
    var(--deep);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--gold)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:6px}

.wrap{width:min(1180px,92%);margin-inline:auto}
.section{padding:var(--space) 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(26,31,61,.62),rgba(11,15,34,.15));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--gold);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--gold),transparent)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,2.9vw,33px);font-weight:800;line-height:1.35;letter-spacing:.01em}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px}
.lead{color:var(--muted)}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,15,34,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;padding:0}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;color:#fff;letter-spacing:.01em}
.logo:hover{color:#fff}
.logo-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;font-size:17px;font-weight:800;color:#20163a;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  box-shadow:0 0 20px rgba(255,180,0,.45);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.16em}
.nav-links{display:flex;align-items:center;gap:6px;margin:0}
.nav-links .nav-link{
  display:block;padding:9px 15px;border-radius:10px;font-size:15px;font-weight:500;
  color:#c3caea;background:transparent;transition:all .2s ease;
}
.nav-links .nav-link:hover,.nav-links .nav-link:focus{color:#fff;background:rgba(255,255,255,.07)}
.nav-links .nav-link.active{color:var(--gold);background:rgba(255,180,0,.11);box-shadow:inset 0 0 0 1px rgba(255,180,0,.28)}
.nav-cta{margin-left:12px}
.nav-toggle{
  display:none;width:44px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);padding:10px 11px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:#dfe5ff;border-radius:2px;margin:4px 0;transition:.2s}
.nav-toggle:focus{outline:2px solid var(--gold);outline-offset:2px}

/* ============ BUTTONS ============ */
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:12px;border:0;cursor:pointer;
  font-size:15px;font-weight:700;color:#21173a;
  background:linear-gradient(135deg,var(--gold-2),var(--gold) 48%,var(--gold-deep));
  box-shadow:0 10px 26px rgba(255,180,0,.30);
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-gold:hover{color:#21173a;transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.44);filter:saturate(1.08)}
.btn-gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,180,0,.3)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;cursor:pointer;font-size:15px;font-weight:600;
  color:#e5eaff;background:rgba(255,255,255,.055);
  border:1px solid var(--line-strong);
  transition:all .22s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.11);border-color:rgba(255,180,0,.5);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;padding:66px 0 78px;
  background:
    linear-gradient(120deg,rgba(11,15,34,.96) 8%,rgba(17,22,52,.86) 46%,rgba(11,15,34,.9) 100%),
    url("/assets/images/7c09091b2fd5a0e7.webp") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%,#000 12%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%,#000 12%,transparent 78%);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:50px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--gold-2);
  background:rgba(255,180,0,.1);border:1px solid rgba(255,180,0,.34);
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.hero h1{
  margin-top:20px;font-size:clamp(29px,4.1vw,46px);line-height:1.28;font-weight:900;letter-spacing:.01em;
  background:linear-gradient(180deg,#ffffff 34%,#c9d3ff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:16px;font-size:17px;color:#cdd5f6;font-weight:500}
.hero-copy{margin-top:16px;font-size:15.5px;color:var(--muted);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:26px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.hero-metrics div strong{display:block;font-size:22px;font-weight:800;color:var(--gold)}
.hero-metrics div span{font-size:13px;color:var(--muted)}

/* Before / After */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cmp-card{
  position:relative;padding:22px 20px;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.055);border:1px solid var(--line);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.cmp-card.is-after{
  background:linear-gradient(160deg,rgba(255,180,0,.16),rgba(56,225,213,.07));
  border-color:rgba(255,180,0,.46);
  box-shadow:0 18px 44px rgba(255,180,0,.2);
}
.cmp-label{display:inline-block;font-size:12px;letter-spacing:.16em;font-weight:700;padding:4px 10px;border-radius:8px;margin-bottom:14px}
.cmp-card.is-before .cmp-label{color:#ff9c9c;background:rgba(255,110,110,.12);border:1px solid rgba(255,110,110,.32)}
.cmp-card.is-after .cmp-label{color:#20163a;background:linear-gradient(135deg,var(--gold-2),var(--gold));border:1px solid rgba(255,180,0,.5)}
.cmp-card h3{font-size:16.5px;font-weight:800;margin-bottom:12px}
.cmp-list li{position:relative;padding-left:24px;font-size:14px;color:#c5cdec;margin-bottom:10px;line-height:1.6}
.cmp-list li:last-child{margin-bottom:0}
.cmp-list li::before{position:absolute;left:0;top:1px;font-size:13px;font-weight:800}
.cmp-card.is-before .cmp-list li::before{content:"×";color:#ff8f8f}
.cmp-card.is-after .cmp-list li::before{content:"✓";color:var(--gold)}
.cmp-foot{margin-top:16px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.16);font-size:13px;color:#a9b2d4}

/* stats strip */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-box{
  padding:22px 20px;border-radius:var(--radius);text-align:left;
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.stat-box:hover{transform:translateY(-4px);border-color:rgba(56,225,213,.42);box-shadow:0 16px 34px rgba(0,0,0,.36)}
.stat-box strong{display:block;font-size:26px;font-weight:900;color:var(--gold);line-height:1.2}
.stat-box span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted)}

/* cards / grid */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
  padding:24px 22px;border-radius:var(--radius);height:100%;
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease,background .24s ease;
}
.card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.4);box-shadow:0 20px 42px rgba(0,0,0,.4);background:rgba(255,255,255,.07)}
.card-num{font-size:13px;font-weight:800;letter-spacing:.14em;color:var(--cyan);margin-bottom:12px}
.card h3{font-size:17px;font-weight:800;margin-bottom:10px}
.card p{font-size:14px;color:var(--muted);line-height:1.72}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--gold-2);background:rgba(255,180,0,.1);border:1px solid rgba(255,180,0,.3);margin:0 8px 8px 0;
}
.tag--cyan{color:#9ef4ee;background:rgba(56,225,213,.1);border-color:rgba(56,225,213,.32)}

/* value blocks */
.value-row{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center}
.value-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed rgba(255,255,255,.12);
}
.value-list li:last-child{border-bottom:0}
.value-idx{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#20163a;background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
}
.value-list h3{font-size:16.5px;font-weight:800;margin-bottom:6px}
.value-list p{font-size:14px;color:var(--muted)}
.value-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.value-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .5s ease}
.value-media:hover img{transform:scale(1.04)}
.value-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13.5px;color:#dfe5ff;
  background:linear-gradient(180deg,transparent,rgba(9,12,28,.92));
}

/* chart */
.chart-panel{
  padding:30px 28px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(26,31,61,.9),rgba(17,22,52,.72));
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.chart-row{margin-bottom:20px}
.chart-row:last-child{margin-bottom:0}
.chart-meta{display:flex;justify-content:space-between;font-size:14px;margin-bottom:9px}
.chart-meta span:first-child{font-weight:600;color:#dfe5ff}
.chart-meta span:last-child{color:var(--gold);font-weight:800}
.bar-track{height:12px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--gold));box-shadow:0 0 16px rgba(255,180,0,.4)}
.chart-note{margin-top:18px;font-size:13px;color:var(--muted)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius);
  background:rgba(255,255,255,.045);border:1px solid var(--line);height:100%;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-size:34px;font-weight:900;line-height:1;
  background:linear-gradient(135deg,var(--gold-2),rgba(56,225,213,.65));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{margin:14px 0 8px;font-size:16.5px;font-weight:800}
.step p{font-size:14px;color:var(--muted)}

/* matrix */
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.matrix-item{
  display:flex;gap:16px;padding:20px;border-radius:var(--radius);
  background:rgba(255,255,255,.04);border:1px solid var(--line);transition:.24s ease;
}
.matrix-item:hover{border-color:rgba(56,225,213,.4);background:rgba(255,255,255,.065)}
.matrix-item .dot{width:10px;height:10px;border-radius:50%;margin-top:9px;flex:0 0 auto;background:var(--gold);box-shadow:0 0 12px rgba(255,180,0,.7)}
.matrix-item h3{font-size:16px;font-weight:800;margin-bottom:6px}
.matrix-item p{font-size:14px;color:var(--muted)}

/* pain list */
.pain-list li{
  display:grid;grid-template-columns:44px 1fr 1.1fr;gap:18px;align-items:start;
  padding:20px 0;border-bottom:1px solid rgba(255,255,255,.09);
}
.pain-list li:last-child{border-bottom:0}
.pain-num{font-size:16px;font-weight:900;color:var(--gold)}
.pain-q{font-size:15.5px;font-weight:700;color:#eef1ff}
.pain-a{font-size:14px;color:var(--muted)}

/* resources */
.res-card{
  border-radius:var(--radius);overflow:hidden;height:100%;display:flex;flex-direction:column;
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.res-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.42);box-shadow:0 20px 42px rgba(0,0,0,.4)}
.res-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.res-body{padding:18px 18px 20px}
.res-body h3{font-size:16px;font-weight:800;margin-bottom:8px}
.res-body p{font-size:13.5px;color:var(--muted)}
.res-body .res-link{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--gold)}

/* tag cloud */
.tag-cloud{display:flex;flex-wrap:wrap;gap:11px}
.tag-cloud a{
  padding:9px 17px;border-radius:999px;font-size:14px;color:#cfd7f7;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:.22s ease;
}
.tag-cloud a:hover{color:#20163a;background:linear-gradient(135deg,var(--gold-2),var(--gold));border-color:transparent;transform:translateY(-2px)}

/* testimonials */
.quote{
  padding:24px 22px;border-radius:var(--radius);height:100%;
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
  border:1px solid var(--line);
}
.quote p{font-size:14.5px;color:#dfe5ff;line-height:1.75}
.quote footer{margin-top:16px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.avatar{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:800;color:#20163a;background:linear-gradient(135deg,var(--gold-2),var(--cyan))}

/* calendar */
.cal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cal-card{padding:22px 20px;border-radius:var(--radius);background:rgba(255,255,255,.045);border:1px solid var(--line)}
.cal-card h3{font-size:15.5px;font-weight:800;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.cal-card h3 i{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);display:inline-block}
.cal-card li{font-size:13.5px;color:var(--muted);padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:12px}
.cal-card li:last-child{border-bottom:0}
.cal-card li b{color:var(--gold);font-weight:700}

/* cms list */
.cms-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:26px;align-items:start}
.cms-list{display:grid;gap:14px}
.cms-item{
  display:block;padding:20px 22px;border-radius:var(--radius);
  background:rgba(255,255,255,.045);border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.cms-item:hover{transform:translateX(5px);border-color:rgba(255,180,0,.4);background:rgba(255,255,255,.075);color:inherit}
.cms-item h3{font-size:16px;font-weight:800;margin-bottom:8px;color:#eef1ff}
.cms-item:hover h3{color:var(--gold)}
.cms-item p{font-size:13.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-meta{margin-top:12px;display:flex;gap:12px;font-size:12.5px;color:#8e98bd}
.cms-meta span{padding:2px 9px;border-radius:6px;background:rgba(255,255,255,.06);border:1px solid var(--line)}
.cms-empty{padding:26px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px dashed var(--line-strong);color:var(--muted);font-size:14px}
.cms-side{padding:22px 20px;border-radius:var(--radius);background:rgba(255,255,255,.045);border:1px solid var(--line)}
.cms-side h3{font-size:15.5px;font-weight:800;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.cms-side a{display:block;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.1);font-size:14px;color:#d6dcf6}
.cms-side a:last-child{border-bottom:0}
.cms-side a:hover{color:var(--gold)}

/* faq */
.faq details{
  border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.04);
  padding:18px 22px;margin-bottom:12px;transition:.22s ease;
}
.faq details[open]{border-color:rgba(255,180,0,.4);background:rgba(255,255,255,.07)}
.faq summary{cursor:pointer;font-size:15.5px;font-weight:700;color:#eef1ff;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;font-weight:700;color:var(--gold);line-height:1}
.faq details[open] summary::after{content:"−"}
.faq p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.8}

/* apply form */
.apply-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:30px;align-items:start}
.apply-benefits li{display:flex;gap:12px;font-size:14.5px;color:#d3daf5;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.1)}
.apply-benefits li:last-child{border-bottom:0}
.apply-benefits li::before{content:"◆";color:var(--gold);font-size:12px;line-height:1.9}
.form-card{
  padding:28px 26px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(26,31,61,.92),rgba(17,22,52,.78));
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:#c9d1ef;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:11px;font-size:14.5px;
  color:#eef1ff;background:rgba(255,255,255,.06);
  border:1px solid var(--line-strong);transition:.2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#7f89ad}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.18);background:rgba(255,255,255,.09);
}
.field select option{color:#1a1f3d}
.form-hint{font-size:12.5px;color:#8e98bd;margin-top:12px}
.form-msg{display:none;margin-top:14px;padding:12px 16px;border-radius:11px;font-size:13.5px;color:#9ef4ee;background:rgba(56,225,213,.12);border:1px solid rgba(56,225,213,.35)}

/* footer */
.site-footer{background:#080b1c;border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);max-width:420px}
.footer-col h4{font-size:14.5px;font-weight:800;color:#eef1ff;margin-bottom:16px;letter-spacing:.04em}
.footer-col a{display:block;font-size:13.8px;color:var(--muted);padding:6px 0}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12.8px;color:#7e88ac;
}
.footer-bottom a{color:#9aa3c7}
.footer-bottom a:hover{color:var(--gold)}

/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .value-row{grid-template-columns:1fr;gap:26px}
  .cms-layout{grid-template-columns:1fr}
  .apply-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cal-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
}
@media (max-width:991.98px){
  .nav-toggle{display:block}
  .nav-shell{flex-wrap:wrap;padding:14px 0;min-height:0}
  .nav-links{flex-direction:column;align-items:stretch;width:100%;padding:10px 0 4px;gap:2px}
  .nav-links .nav-link{padding:12px 14px;font-size:15.5px}
  .nav-cta{margin:12px 0 6px;width:100%;padding:13px 20px}
  .navbar-collapse{width:100%}
}
@media (max-width:768px){
  :root{--space:56px}
  .compare{grid-template-columns:1fr}
  .grid-3,.grid-2,.matrix,.grid-4{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr 1fr}
  .pain-list li{grid-template-columns:32px 1fr;gap:12px}
  .pain-a{grid-column:2}
  .hero{padding:48px 0 58px}
  .hero-metrics{gap:18px}
  .hero-metrics div strong{font-size:19px}
  .chart-panel{padding:22px 18px}
  .cal-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .logo-text{font-size:16px}
  .logo-text small{display:none}
  .stat-strip{grid-template-columns:1fr}
  .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%}
  .card,.step,.quote{padding:20px 17px}
  .form-card{padding:22px 18px}
  .section-head h2{font-size:22px}
}

/* roulang page: article */
:root{
 --deep:#0b0f22;
 --deep-2:#111634;
 --panel:#1a1f3d;
 --panel-2:#161b38;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --gold-deep:#ff8a00;
 --cyan:#38e1d5;
 --text:#e9ecff;
 --muted:#9aa3c7;
 --line:rgba(255,255,255,.10);
 --line-strong:rgba(255,255,255,.18);
 --radius:14px;
 --radius-lg:20px;
 --shadow:0 18px 44px rgba(4,7,20,.5);
 --shadow-gold:0 14px 34px rgba(255,180,0,.28);
 --space:78px;
}
@media (max-width:768px){:root{--space:56px}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 color:var(--text);
 line-height:1.75;
 background:
 radial-gradient(900px 520px at 12% -8%, rgba(56,225,213,.14), transparent 62%),
 radial-gradient(760px 460px at 88% 4%, rgba(255,180,0,.14), transparent 60%),
 var(--deep);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease}
a:hover{color:var(--gold)}
h1,h2,h3,h4,h5,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}
.section{padding:var(--space) 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(26,31,61,.62),rgba(11,15,34,.15));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--gold);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--gold),transparent)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,2.9vw,33px);font-weight:800;line-height:1.35;letter-spacing:.01em}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px}
.lead{color:var(--muted)}

/* ============ HEADER ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(11,15,34,.88);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;padding:0}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;color:#fff;letter-spacing:.01em}
.logo:hover{color:#fff}
.logo-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 display:grid;place-items:center;font-size:17px;font-weight:800;color:#20163a;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 0 20px rgba(255,180,0,.45);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.16em}
.nav-links{display:flex;align-items:center;gap:6px;margin:0}
.nav-links .nav-link{
 display:block;padding:9px 15px;border-radius:10px;font-size:15px;font-weight:500;
 color:#c3caea;background:transparent;transition:all .2s ease;
}
.nav-links .nav-link:hover,.nav-links .nav-link:focus{color:#fff;background:rgba(255,255,255,.07)}
.nav-links .nav-link.active{color:var(--gold);background:rgba(255,180,0,.11);box-shadow:inset 0 0 0 1px rgba(255,180,0,.28)}
.nav-cta{margin-left:12px}
.nav-toggle{
 display:none;width:44px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
 background:rgba(255,255,255,.05);padding:10px 11px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:#dfe5ff;border-radius:2px;margin:4px 0;transition:.2s}
.nav-toggle:focus{outline:2px solid var(--gold);outline-offset:2px}

/* ============ BUTTONS ============ */
.btn-gold{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:12px;border:0;cursor:pointer;
 font-size:15px;font-weight:700;color:#21173a;
 background:linear-gradient(135deg,var(--gold-2),var(--gold) 48%,var(--gold-deep));
 box-shadow:0 10px 26px rgba(255,180,0,.30);
 transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-gold:hover{color:#21173a;transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.44);filter:saturate(1.08)}
.btn-gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,180,0,.3)}
.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 22px;border-radius:12px;cursor:pointer;font-size:15px;font-weight:600;
 color:#e5eaff;background:rgba(255,255,255,.055);
 border:1px solid var(--line-strong);
 transition:all .22s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.11);border-color:rgba(255,180,0,.5);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}

/* ============ ARTICLE HERO ============ */
.article-hero{
 position:relative;overflow:hidden;padding:46px 0 52px;
 background:
 linear-gradient(120deg,rgba(11,15,34,.96) 6%,rgba(17,22,52,.86) 48%,rgba(11,15,34,.92) 100%),
 url("/assets/images/b2021a265d728820.webp") center/cover no-repeat;
 border-bottom:1px solid var(--line);
}
.article-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
 background-size:64px 64px;
 mask-image:radial-gradient(circle at 40% 10%,#000 8%,transparent 76%);
 -webkit-mask-image:radial-gradient(circle at 40% 10%,#000 8%,transparent 76%);
}
.article-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:#8f99c2;margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:#b9c2e6}
.crumb span{color:#5b6591}
.crumb em{font-style:normal;color:var(--gold-2)}
.article-hero h1{
 font-size:clamp(26px,3.6vw,42px);line-height:1.32;font-weight:900;letter-spacing:.01em;max-width:900px;
 background:linear-gradient(180deg,#ffffff 34%,#c9d3ff 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px}
.chip{
 display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;
 font-size:13px;font-weight:600;color:var(--gold-2);
 background:rgba(255,180,0,.10);border:1px solid rgba(255,180,0,.32);
}
.chip--plain{color:#b9c2e6;background:rgba(255,255,255,.05);border-color:var(--line-strong)}
.article-lead{margin-top:20px;max-width:820px;font-size:15.5px;color:#c6cff2}

/* ============ ARTICLE LAYOUT ============ */
.article-main{padding:56px 0 0}
.layout{display:grid;grid-template-columns:minmax(0,720px) 300px;gap:34px;justify-content:center;align-items:start}
.prose{
 background:linear-gradient(160deg,rgba(26,31,61,.86),rgba(17,22,52,.72));
 border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:34px 34px 30px;box-shadow:var(--shadow);
 backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.prose h2{font-size:22px;font-weight:800;line-height:1.45;margin:34px 0 14px;padding-left:14px;border-left:3px solid var(--gold);color:#fff}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;font-weight:700;margin:26px 0 10px;color:#f2f5ff}
.prose h4{font-size:16px;font-weight:700;margin:20px 0 8px;color:#e6ebff}
.prose p{margin:0 0 16px;font-size:15.5px;color:#cfd6f4}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px;color:#cfd6f4;font-size:15.5px}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:9px}
.prose li::marker{color:var(--gold)}
.prose strong{color:var(--gold-2)}
.prose em{color:#dbe2ff;font-style:normal;background:rgba(56,225,213,.12);padding:1px 6px;border-radius:6px}
.prose a{color:var(--cyan);border-bottom:1px dashed rgba(56,225,213,.5)}
.prose a:hover{color:var(--gold)}
.prose img{border-radius:12px;margin:20px 0;border:1px solid var(--line)}
.prose blockquote{
 margin:20px 0;padding:16px 20px;border-left:3px solid var(--cyan);
 background:rgba(56,225,213,.07);border-radius:0 12px 12px 0;color:#d5e6ff;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.prose th,.prose td{padding:11px 13px;border:1px solid var(--line);text-align:left}
.prose th{background:rgba(255,180,0,.10);color:var(--gold-2);font-weight:700}
.prose tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.prose hr{border:0;height:1px;background:var(--line);margin:28px 0}
.not-found{padding:26px 0 10px;text-align:left}
.not-found h2{font-size:22px;font-weight:800;color:#fff;margin-bottom:12px}
.not-found p{color:var(--muted);font-size:15.5px;margin-bottom:22px}

/* ============ SIDEBAR ============ */
.article-side{position:sticky;top:96px;display:grid;gap:18px}
.side-card{
 background:linear-gradient(160deg,rgba(26,31,61,.9),rgba(17,22,52,.72));
 border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow);
 backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.side-card h2{font-size:15px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.side-list{display:grid;gap:11px}
.side-list li{position:relative;padding-left:16px;font-size:14px;color:#c3caea;line-height:1.65}
.side-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(255,180,0,.7)}
.side-card--accent{border-color:rgba(255,180,0,.38);background:linear-gradient(160deg,rgba(255,180,0,.14),rgba(17,22,52,.82))}
.side-card--accent p{font-size:14px;color:#cbd3f2;margin-bottom:16px}
.side-links{display:grid;gap:2px}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:#c3caea;padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.09)}
.side-links a:last-child{border-bottom:0}
.side-links a::after{content:"→";color:var(--gold);font-size:13px;opacity:.85}
.side-links a:hover{color:#fff}
.side-figure{border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.side-figure img{width:100%;height:auto}
.side-figure figcaption{font-size:12.5px;color:var(--muted);padding:9px 12px;background:rgba(11,15,34,.6)}

/* ============ CARDS / GRID ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.card-glass{
 position:relative;overflow:hidden;
 background:linear-gradient(160deg,rgba(26,31,61,.92),rgba(17,22,52,.72));
 border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow);
 transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card-glass:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.4);box-shadow:0 22px 48px rgba(4,7,20,.6)}
.card-num{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;font-size:14px;font-weight:800;
 color:#21173a;background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 8px 20px rgba(255,180,0,.28);margin-bottom:14px;
}
.card-glass h3{font-size:17px;font-weight:800;color:#fff;line-height:1.5;margin-bottom:10px}
.card-glass p{font-size:14.5px;color:var(--muted);line-height:1.75}
.card-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--cyan);letter-spacing:.1em;margin-bottom:8px}

/* ============ STEPS ============ */
.steps{display:grid;gap:16px}
.step{
 display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;align-items:start;
 background:linear-gradient(150deg,rgba(26,31,61,.85),rgba(17,22,52,.62));
 border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;
 transition:border-color .25s ease,transform .25s ease;
}
.step:hover{border-color:rgba(56,225,213,.4);transform:translateX(3px)}
.step-idx{
 font-size:22px;font-weight:900;line-height:1;
 color:transparent;background:linear-gradient(180deg,var(--gold-2),var(--gold-deep));
 -webkit-background-clip:text;background-clip:text;
 padding-top:4px;letter-spacing:.02em;
}
.step h3{font-size:16.5px;font-weight:800;color:#fff;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted)}

/* ============ COMPARE ============ */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare-box{border-radius:var(--radius);padding:24px;border:1px solid var(--line);box-shadow:var(--shadow)}
.compare-box h3{font-size:17px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.compare-box ul{display:grid;gap:10px}
.compare-box li{position:relative;padding-left:22px;font-size:14.5px;line-height:1.7}
.compare-box--bad{background:linear-gradient(160deg,rgba(70,32,44,.55),rgba(17,22,52,.7))}
.compare-box--bad h3{color:#ffb3b3}
.compare-box--bad li{color:#d5c3c9}
.compare-box--bad li::before{content:"×";position:absolute;left:0;top:0;color:#ff8f8f;font-weight:800}
.compare-box--good{background:linear-gradient(160deg,rgba(24,60,58,.55),rgba(17,22,52,.7));border-color:rgba(56,225,213,.32)}
.compare-box--good h3{color:var(--cyan)}
.compare-box--good li{color:#c4dcda}
.compare-box--good li::before{content:"✓";position:absolute;left:0;top:0;color:var(--cyan);font-weight:800}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:880px}
.faq details{
 background:linear-gradient(160deg,rgba(26,31,61,.9),rgba(17,22,52,.7));
 border:1px solid var(--line);border-radius:var(--radius);padding:0;overflow:hidden;
 transition:border-color .22s ease;
}
.faq details[open]{border-color:rgba(255,180,0,.4)}
.faq summary{
 cursor:pointer;list-style:none;padding:17px 22px;font-size:15.5px;font-weight:700;color:#eef1ff;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
 content:"+";font-size:19px;font-weight:700;color:var(--gold);line-height:1;transition:transform .2s ease;
}
.faq details[open] summary::after{content:"−"}
.faq summary:hover{color:var(--gold-2)}
.faq .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* ============ CTA ============ */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-lg);border:1px solid rgba(255,180,0,.35);
 padding:42px 44px;
 background:
 linear-gradient(120deg,rgba(255,180,0,.16),rgba(17,22,52,.9) 55%),
 url("/assets/images/267668089e5ad082.webp") right center/cover no-repeat;
 box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;color:#fff;line-height:1.4;max-width:600px}
.cta-band p{margin-top:14px;color:#cfd6f4;font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:26px}

/* ============ FOOTER ============ */
.site-footer{background:var(--deep-2);border-top:1px solid var(--line);padding:56px 0 26px;margin-top:var(--space)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px}
.footer-brand p{color:var(--muted);font-size:14px;margin-top:16px;max-width:420px;line-height:1.8}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:14px;font-weight:800}
.footer-col a{display:block;color:var(--muted);font-size:14px;padding:5px 0}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
 margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:13px;color:#7e88ad;
}
.footer-bottom a{color:#9aa3c7}
.footer-bottom a:hover{color:var(--gold)}

/* ============ RESPONSIVE ============ */
@media (max-width:1100px){
 .layout{grid-template-columns:minmax(0,1fr) 280px;gap:26px}
}
@media (max-width:991.98px){
 .nav-toggle{display:block}
 .nav-links{display:block;margin:0}
 .nav-links .nav-link{padding:11px 12px}
 .navbar-collapse{padding:14px 0 10px;border-top:1px solid var(--line);margin-top:12px}
 .nav-cta{margin:12px 0 4px;width:100%}
 .layout{grid-template-columns:1fr}
 .article-side{position:static}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr}
 .prose{padding:26px 22px 24px}
 .cta-band{padding:34px 26px}
}
@media (max-width:767.98px){
 .article-hero{padding:34px 0 40px}
 .article-main{padding:40px 0 0}
 .compare{grid-template-columns:1fr}
 .grid-2{grid-template-columns:1fr}
 .step{grid-template-columns:1fr;gap:8px}
 .step-idx{font-size:18px}
}
@media (max-width:560px){
 .wrap{padding:0 16px}
 .grid-3{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .card-glass{padding:20px}
 .prose h2{font-size:19px}
 .btn-gold,.btn-ghost{width:100%}
 .cta-actions{flex-direction:column}
 .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%}
}

/* roulang page: category1 */
:root{
  --deep:#0b0f22;
  --deep-2:#111634;
  --panel:#1a1f3d;
  --panel-2:#161b38;
  --gold:#ffb400;
  --gold-2:#ffd166;
  --gold-deep:#ff8a00;
  --cyan:#38e1d5;
  --text:#e9ecff;
  --muted:#9aa3c7;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 18px 44px rgba(4,7,20,.5);
  --shadow-gold:0 14px 34px rgba(255,180,0,.28);
  --space:78px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  line-height:1.75;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(56,225,213,.14), transparent 62%),
    radial-gradient(760px 460px at 88% 4%, rgba(255,180,0,.14), transparent 60%),
    var(--deep);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--gold)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}
.section{padding:var(--space) 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(26,31,61,.62),rgba(11,15,34,.15));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--gold);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--gold),transparent)}
.section-head{max-width:780px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,2.9vw,33px);font-weight:800;letter-spacing:.01em}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px}
/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(11,15,34,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-shell{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;min-height:74px;padding:0}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;color:#fff;letter-spacing:.01em}
.logo:hover{color:#fff}
.logo-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;font-size:17px;font-weight:800;color:#20163a;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  box-shadow:0 0 20px rgba(255,180,0,.45);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.16em}
.nav-links{display:flex;align-items:center;gap:6px;margin:0}
.nav-links .nav-link{
  display:block;padding:9px 15px;border-radius:10px;font-size:15px;font-weight:500;
  color:#c3caea;background:transparent;transition:all .2s ease;
}
.nav-links .nav-link:hover,.nav-links .nav-link:focus{color:#fff;background:rgba(255,255,255,.07)}
.nav-links .nav-link.active{color:var(--gold);background:rgba(255,180,0,.11);box-shadow:inset 0 0 0 1px rgba(255,180,0,.28)}
.nav-cta{margin-left:12px}
.nav-toggle{
  display:none;width:44px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);padding:10px 11px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:#dfe5ff;border-radius:2px;margin:4px 0;transition:.2s}
.nav-toggle:focus{outline:2px solid var(--gold);outline-offset:2px}
/* ============ BUTTONS ============ */
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:12px;border:0;cursor:pointer;
  font-size:15px;font-weight:700;color:#21173a;
  background:linear-gradient(135deg,var(--gold-2),var(--gold) 48%,var(--gold-deep));
  box-shadow:0 10px 26px rgba(255,180,0,.30);
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-gold:hover{color:#21173a;transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.44);filter:saturate(1.08)}
.btn-gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,180,0,.3)}
.btn-gold:focus-visible{outline:2px solid #fff;outline-offset:3px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;cursor:pointer;font-size:15px;font-weight:600;
  color:#e5eaff;background:rgba(255,255,255,.055);
  border:1px solid var(--line-strong);
  transition:all .22s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.11);border-color:rgba(255,180,0,.5);transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
/* ============ CATEGORY HERO ============ */
.cat-hero{
  position:relative;overflow:hidden;padding:64px 0 0;
  background:
    linear-gradient(120deg,rgba(11,15,34,.97) 10%,rgba(17,22,52,.90) 52%,rgba(11,15,34,.94) 100%),
    url("/assets/images/b2021a265d728820.webp") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 46% 18%,#000 12%,transparent 76%);
  -webkit-mask-image:radial-gradient(circle at 46% 18%,#000 12%,transparent 76%);
}
.cat-hero .wrap{position:relative;z-index:2}
.cat-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--gold-2);
  background:rgba(255,180,0,.1);border:1px solid rgba(255,180,0,.34);
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);display:block}
.cat-hero h1{
  margin-top:20px;font-size:clamp(27px,3.7vw,42px);line-height:1.3;font-weight:900;letter-spacing:.01em;
  background:linear-gradient(180deg,#ffffff 34%,#c9d3ff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:16px;font-size:17px;color:#cdd5f6;font-weight:500}
.hero-copy{margin-top:14px;font-size:15.5px;color:var(--muted);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.hero-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.hero-visual .stamp{
  position:absolute;left:16px;right:16px;bottom:16px;padding:14px 16px;border-radius:12px;
  background:rgba(11,15,34,.84);border:1px solid var(--line-strong);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  font-size:13px;color:#cfd7f7;
}
.hero-visual .stamp strong{color:var(--gold-2);display:block;font-size:14px;margin-bottom:4px}
.metrics-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:52px;
  background:var(--line);border-top:1px solid var(--line);border-left:1px solid var(--line);border-right:1px solid var(--line);
  border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;
}
.metrics-strip div{background:rgba(11,15,34,.88);padding:20px 22px}
.metrics-strip strong{display:block;font-size:23px;font-weight:800;color:var(--gold);letter-spacing:.01em}
.metrics-strip span{font-size:13px;color:var(--muted)}
/* ============ MECH CARDS ============ */
.mech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mech-card{
  padding:26px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(26,31,61,.94),rgba(17,22,52,.74));
  border:1px solid var(--line);box-shadow:var(--shadow);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.mech-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.42);box-shadow:0 24px 50px rgba(4,7,20,.58)}
.mech-card .num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;
  font-size:15px;font-weight:800;color:var(--gold-2);
  background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.3);margin-bottom:14px;
}
.mech-card h3{font-size:17.5px;font-weight:800;margin-bottom:9px}
.mech-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
/* ============ FLOW ============ */
.flow-list{display:grid;gap:13px}
.flow-item{
  display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;
  padding:20px 22px;border-radius:var(--radius);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,background-color .22s ease;
}
.flow-item:hover{transform:translateX(5px);border-color:rgba(255,180,0,.4);background:rgba(255,180,0,.055)}
.flow-num{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-size:15px;font-weight:800;color:#1d1436;
  background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
  box-shadow:0 8px 20px rgba(255,180,0,.3);
}
.flow-item h3{font-size:16.5px;font-weight:700;margin-bottom:5px}
.flow-item p{font-size:14.5px;color:var(--muted)}
/* ============ TABLE ============ */
.table-scroll{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.matrix-table{width:100%;min-width:720px;border-collapse:collapse}
.matrix-table th{
  background:rgba(255,180,0,.12);color:var(--gold-2);font-size:14px;font-weight:700;
  padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
.matrix-table td{
  padding:15px 18px;font-size:14.5px;color:#cbd3f2;
  border-bottom:1px solid var(--line);vertical-align:top;
  background:rgba(17,22,52,.55);
}
.matrix-table tbody tr:last-child td{border-bottom:0}
.matrix-table tbody tr:hover td{background:rgba(255,180,0,.07);color:#eef1ff}
.matrix-table td:first-child{color:#fff;font-weight:600;white-space:nowrap}
/* ============ SCENES ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scene-card{
  display:flex;gap:18px;padding:24px;border-radius:var(--radius-lg);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  transition:border-color .22s ease,background-color .22s ease,transform .22s ease;
}
.scene-card:hover{border-color:rgba(56,225,213,.42);background:rgba(56,225,213,.055);transform:translateY(-4px)}
.scene-icon{
  flex:0 0 auto;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  font-size:17px;font-weight:800;color:var(--cyan);
  background:rgba(56,225,213,.1);border:1px solid rgba(56,225,213,.3);
}
.scene-card h3{font-size:16.5px;font-weight:700;margin-bottom:7px}
.scene-card p{font-size:14.5px;color:var(--muted)}
/* ============ PITFALLS ============ */
.pit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.pit-card{
  padding:22px 24px;border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(26,31,61,.9),rgba(17,22,52,.7));
  border:1px solid var(--line);
}
.pit-card .wrong,.pit-card .right{
  display:flex;gap:10px;font-size:14.5px;line-height:1.8;
}
.pit-card .wrong{color:#ffb1b1}
.pit-card .right{color:#bfe9de;margin-top:10px;padding-top:10px;border-top:1px dashed var(--line-strong)}
.pit-card b{flex:0 0 auto;font-size:12px;font-weight:700;letter-spacing:.06em;padding:2px 8px;border-radius:6px;height:22px;line-height:18px}
.pit-card .wrong b{color:#ff8f8f;background:rgba(255,90,90,.12);border:1px solid rgba(255,90,90,.3)}
.pit-card .right b{color:var(--cyan);background:rgba(56,225,213,.12);border:1px solid rgba(56,225,213,.3)}
/* ============ POST LIST ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post-card{
  display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:var(--radius);
  background:rgba(255,255,255,.035);border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.post-card:hover{
  transform:translateY(-5px);border-color:rgba(255,180,0,.45);
  background:rgba(255,180,0,.06);box-shadow:0 18px 34px rgba(0,0,0,.35);
}
.post-tag{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--gold-2);
  padding:3px 10px;border-radius:999px;background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.28);
}
.post-card h3{font-size:16px;font-weight:700;line-height:1.55}
.post-card p{font-size:14px;color:var(--muted);flex:1}
.post-meta{font-size:12.5px;color:#7f88ab;letter-spacing:.04em}
.empty-note{
  padding:26px;border-radius:var(--radius);border:1px dashed var(--line-strong);
  color:var(--muted);text-align:center;font-size:15px;background:rgba(255,255,255,.03);
}
/* ============ FAQ ============ */
.faq-wrap{max-width:880px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.035);margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,background-color .2s ease;
}
.faq-item:hover{border-color:rgba(255,180,0,.35);background:rgba(255,180,0,.045)}
.faq-item summary{
  cursor:pointer;padding:18px 22px;font-weight:700;font-size:16px;
  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:22px;line-height:1;font-weight:700}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}
.faq-item p{padding:0 22px 20px;color:var(--muted);font-size:14.8px}
/* ============ APPLY ============ */
.apply-card{
  display:grid;grid-template-columns:1.05fr .95fr;gap:38px;
  padding:40px;border-radius:var(--radius-lg);
  background:
    linear-gradient(135deg,rgba(255,180,0,.10),rgba(56,225,213,.08)),
    var(--panel);
  border:1px solid rgba(255,180,0,.28);
  box-shadow:var(--shadow-gold);
}
.apply-card h2{font-size:clamp(22px,2.6vw,29px);font-weight:800;margin-bottom:14px}
.apply-card .lead{color:#c8d0f1;font-size:15px;max-width:520px}
.apply-points{display:grid;gap:10px;margin-top:22px}
.apply-points li{display:flex;gap:10px;font-size:14.5px;color:var(--muted)}
.apply-points li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.7)}
.apply-form{padding:24px;border-radius:var(--radius);background:rgba(11,15,34,.66);border:1px solid var(--line-strong)}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:15px}
.field label{font-size:13px;color:var(--muted);letter-spacing:.04em}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:10px;font-size:15px;
  border:1px solid var(--line-strong);background:rgba(11,15,34,.85);color:var(--text);
  outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#6e779a}
.field input:focus,.field select:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.18)}
.apply-form .btn-gold{width:100%;margin-top:4px}
.form-note{font-size:12.5px;color:#7f88ab;margin-top:12px;line-height:1.7}
/* ============ FOOTER ============ */
.site-footer{
  margin-top:20px;padding:58px 0 26px;
  background:linear-gradient(180deg,rgba(17,22,52,.9),rgba(11,15,34,.98));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.6fr .7fr .7fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14.5px;color:var(--muted);max-width:440px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.08em;margin-bottom:14px}
.footer-col a{display:block;font-size:14.5px;color:var(--muted);padding:5px 0}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#7f88ab;
}
.footer-bottom a{color:#9aa3c7}
.footer-bottom a:hover{color:var(--gold)}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  :root{--space:60px}
  .cat-hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{max-width:640px}
  .mech-grid,.post-grid{grid-template-columns:repeat(2,1fr)}
  .metrics-strip{grid-template-columns:repeat(2,1fr)}
  .apply-card{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:991.98px){
  .nav-toggle{display:block}
  .nav-links{flex-direction:column;align-items:stretch;gap:4px;padding:12px 0 6px}
  .nav-links .nav-link{padding:11px 14px}
  .nav-cta{margin:6px 0 14px;width:100%}
  .navbar-collapse{width:100%;margin-top:12px;padding:0 4px 10px;border-top:1px solid var(--line);background:rgba(11,15,34,.98);border-radius:0 0 14px 14px}
}
@media (max-width:768px){
  .wrap{width:calc(100% - 32px)}
  .scene-grid,.pit-grid{grid-template-columns:1fr}
  .mech-grid,.post-grid{grid-template-columns:1fr}
  .cat-hero{padding-top:46px}
  .section{padding:52px 0}
  .metrics-strip{margin-top:36px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:44px 0 22px}
}
@media (max-width:520px){
  .logo-text{font-size:15.5px}
  .logo-text small{letter-spacing:.1em;font-size:10px}
  .metrics-strip{grid-template-columns:1fr}
  .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%}
  .apply-card{padding:22px}
  .apply-form{padding:18px}
  .flow-item{grid-template-columns:1fr;gap:12px}
  .section-head h2{font-size:22px}
}

/* roulang page: category2 */
:root{
 --deep:#0b0f22;
 --deep-2:#111634;
 --panel:#1a1f3d;
 --panel-2:#161b38;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --gold-deep:#ff8a00;
 --cyan:#38e1d5;
 --text:#e9ecff;
 --muted:#9aa3c7;
 --line:rgba(255,255,255,.10);
 --line-strong:rgba(255,255,255,.18);
 --radius:14px;
 --radius-lg:20px;
 --shadow:0 18px 44px rgba(4,7,20,.5);
 --shadow-gold:0 14px 34px rgba(255,180,0,.28);
 --glass:linear-gradient(160deg,rgba(41,49,96,.74),rgba(15,19,42,.80));
 --space:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 color:var(--text);
 line-height:1.75;
 background:
 radial-gradient(900px 520px at 12% -8%, rgba(56,225,213,.14), transparent 62%),
 radial-gradient(760px 460px at 88% 4%, rgba(255,180,0,.14), transparent 60%),
 var(--deep);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease}
a:hover{color:var(--gold)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;letter-spacing:.01em}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:8px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}
.section{padding:var(--space) 0;position:relative}
.section--alt{
 background:linear-gradient(180deg,rgba(26,31,61,.62),rgba(11,15,34,.15));
 border-top:1px solid var(--line);
 border-bottom:1px solid var(--line);
}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,2.9vw,33px)}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;
 color:var(--gold);text-transform:uppercase;margin-bottom:14px;font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--gold),transparent)}

/* ============ HEADER ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(11,15,34,.88);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;padding:0}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;color:#fff;letter-spacing:.01em}
.logo:hover{color:#fff}
.logo-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 display:grid;place-items:center;font-size:17px;font-weight:800;color:#20163a;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 0 20px rgba(255,180,0,.45);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.16em}
.nav-links{display:flex;align-items:center;gap:6px;margin:0}
.nav-links .nav-link{
 display:block;padding:9px 15px;border-radius:10px;font-size:15px;font-weight:500;
 color:#c3caea;background:transparent;transition:all .2s ease;
}
.nav-links .nav-link:hover,.nav-links .nav-link:focus{color:#fff;background:rgba(255,255,255,.07)}
.nav-links .nav-link.active{color:var(--gold);background:rgba(255,180,0,.11);box-shadow:inset 0 0 0 1px rgba(255,180,0,.28)}
.nav-cta{margin-left:12px}
.nav-toggle{
 display:none;width:44px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
 background:rgba(255,255,255,.05);padding:10px 11px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:#dfe5ff;border-radius:2px;margin:4px 0;transition:.2s}
.nav-toggle:focus{outline:2px solid var(--gold);outline-offset:2px}

/* ============ BUTTONS ============ */
.btn-gold{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:12px;border:0;cursor:pointer;
 font-size:15px;font-weight:700;color:#21173a;
 background:linear-gradient(135deg,var(--gold-2),var(--gold) 48%,var(--gold-deep));
 box-shadow:0 10px 26px rgba(255,180,0,.30);
 transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-gold:hover{color:#21173a;transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.44);filter:saturate(1.08)}
.btn-gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,180,0,.3)}
.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 22px;border-radius:12px;cursor:pointer;font-size:15px;font-weight:600;
 color:#e5eaff;background:rgba(255,255,255,.055);
 border:1px solid var(--line-strong);
 transition:all .22s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.11);border-color:rgba(255,180,0,.5);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}

/* ============ HERO ============ */
.cat-hero{
 position:relative;overflow:hidden;padding:52px 0 62px;
 border-bottom:1px solid var(--line);
 background:
 linear-gradient(115deg,rgba(11,15,34,.97) 0%,rgba(20,26,60,.90) 52%,rgba(11,15,34,.95) 100%),
 url("/assets/images/b2021a265d728820.webp") center/cover no-repeat;
}
.cat-hero::before{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:radial-gradient(680px 360px at 84% 10%,rgba(56,225,213,.18),transparent 62%),
            radial-gradient(560px 320px at 6% 92%,rgba(255,180,0,.14),transparent 66%);
}
.cat-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
 background-size:66px 66px;
 mask-image:radial-gradient(circle at 60% 10%,#000 8%,transparent 74%);
 -webkit-mask-image:radial-gradient(circle at 60% 10%,#000 8%,transparent 74%);
}
.cat-hero .wrap{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#8791b8;margin-bottom:16px}
.crumbs a{color:#a6b0d6}
.crumbs a:hover{color:var(--gold)}
.crumbs span.sep{color:#4d5678}
.cat-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
 font-size:13px;font-weight:600;color:var(--gold-2);
 background:rgba(255,180,0,.1);border:1px solid rgba(255,180,0,.34);
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.cat-hero h1{
 margin-top:18px;font-size:clamp(28px,3.9vw,43px);line-height:1.28;font-weight:900;
 background:linear-gradient(180deg,#ffffff 34%,#c9d3ff 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero .hero-lead{margin-top:16px;font-size:16.5px;color:#cdd5f6;max-width:600px}
.cat-hero .hero-copy{margin-top:14px;font-size:15px;color:var(--muted);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.hero-tags span{
 font-size:13px;padding:6px 13px;border-radius:999px;
 color:#b9c3ea;background:rgba(255,255,255,.05);border:1px solid var(--line);
}
/* rhythm panel */
.rhythm-panel{
 padding:26px 24px;border-radius:var(--radius-lg);
 background:var(--glass);border:1px solid var(--line-strong);
 box-shadow:var(--shadow);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.rhythm-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:20px}
.rhythm-head strong{font-size:16px;color:#fff}
.rhythm-head em{font-style:normal;font-size:12px;color:#7f89b0;letter-spacing:.1em}
.rhythm-row{display:grid;grid-template-columns:88px 1fr 46px;gap:12px;align-items:center;margin-bottom:15px;font-size:13.5px;color:var(--muted)}
.rhythm-row:last-child{margin-bottom:0}
.rhythm-track{height:8px;border-radius:99px;background:rgba(255,255,255,.09);overflow:hidden}
.rhythm-track span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--cyan),var(--gold))}
.rhythm-row b{color:var(--gold-2);font-weight:700;text-align:right;font-size:13px}

/* ============ STAT STRIP ============ */
.stat-strip{
 display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
 background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
}
.stat-strip div{padding:22px 20px;background:rgba(17,22,52,.72)}
.stat-strip strong{display:block;font-size:24px;font-weight:800;color:var(--gold-2);line-height:1.2}
.stat-strip span{font-size:13px;color:var(--muted);letter-spacing:.02em}

/* ============ CARDS ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step-card{
 position:relative;padding:26px 22px;border-radius:var(--radius-lg);
 background:var(--glass);border:1px solid var(--line);
 box-shadow:0 10px 26px rgba(4,7,20,.32);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.45);box-shadow:0 22px 48px rgba(4,7,20,.62)}
.step-num{font-size:13px;font-weight:800;color:var(--gold);letter-spacing:.18em}
.step-card h3{font-size:18px;margin:10px 0 9px;color:#fff}
.step-card p{color:var(--muted);font-size:14.5px;margin:0}

/* ladder */
.ladder{display:grid;gap:14px}
.ladder-item{
 display:grid;grid-template-columns:78px 1fr;gap:20px;align-items:start;
 padding:24px 26px;border-radius:var(--radius);
 background:rgba(22,27,56,.72);border:1px solid var(--line);
 transition:border-color .25s ease,background-color .25s ease,transform .25s ease;
}
.ladder-item:hover{border-color:rgba(56,225,213,.4);background:rgba(26,33,66,.82);transform:translateX(4px)}
.ladder-item .lv{
 font-size:12.5px;font-weight:800;color:#20163a;letter-spacing:.06em;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 border-radius:8px;padding:5px 8px;text-align:center;
}
.ladder-item h3{font-size:17.5px;color:#fff}
.ladder-item p{margin:7px 0 0;font-size:14.5px;color:var(--muted)}

/* scenes */
.scene-card{
 border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
 background:rgba(16,20,44,.78);
 transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.scene-card:hover{transform:translateY(-6px);border-color:rgba(255,180,0,.4);box-shadow:0 24px 50px rgba(4,7,20,.62)}
.scene-media{position:relative;overflow:hidden;height:184px}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.scene-card:hover .scene-media img{transform:scale(1.06)}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,15,34,.05),rgba(11,15,34,.72))}
.scene-tag{
 position:absolute;left:14px;bottom:14px;z-index:2;
 font-size:12px;font-weight:700;letter-spacing:.06em;color:#20163a;
 padding:5px 12px;border-radius:999px;
 background:linear-gradient(135deg,var(--gold-2),var(--gold));
}
.scene-body{padding:20px 20px 24px}
.scene-body h3{font-size:17.5px;color:#fff;margin-bottom:9px}
.scene-body p{font-size:14.5px;color:var(--muted);margin:0}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-card{padding:28px 26px;border-radius:var(--radius-lg);border:1px solid var(--line);background:rgba(22,27,56,.74)}
.compare-card.is-bad{border-color:rgba(255,123,123,.30);background:linear-gradient(160deg,rgba(58,26,38,.55),rgba(15,19,42,.82))}
.compare-card.is-good{border-color:rgba(56,225,213,.34);background:linear-gradient(160deg,rgba(20,52,58,.55),rgba(15,19,42,.82))}
.compare-card h3{font-size:18px;color:#fff;display:flex;align-items:center;gap:10px}
.dot{width:9px;height:9px;border-radius:50%;flex:0 0 auto}
.dot.red{background:#ff7b7b;box-shadow:0 0 10px rgba(255,123,123,.7)}
.dot.cyan{background:var(--cyan);box-shadow:0 0 10px rgba(56,225,213,.7)}
.compare-card ul{list-style:none;margin:18px 0 0;display:grid;gap:13px}
.compare-card li{position:relative;padding-left:22px;font-size:15px;color:#c3cbe8}
.compare-card li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px}
.is-bad li::before{background:#ff7b7b}
.is-good li::before{background:var(--cyan)}

/* quotes */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote-card{
 padding:26px 24px;border-radius:var(--radius-lg);border:1px solid var(--line);
 background:var(--glass);backdrop-filter:blur(8px);
 transition:transform .25s ease,border-color .25s ease;
}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.38)}
.quote-card p{font-size:15px;color:#cdd5f6;margin:0}
.quote-meta{display:flex;align-items:center;gap:11px;margin-top:18px;font-size:13px;color:var(--muted)}
.avatar{
 width:34px;height:34px;border-radius:10px;flex:0 0 auto;display:grid;place-items:center;
 font-weight:800;font-size:14px;color:#20163a;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
}

/* FAQ */
.acc .accordion-item{
 background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
 margin-bottom:12px;overflow:hidden;
}
.acc .accordion-button{
 background:transparent;color:var(--text);font-weight:700;font-size:16px;
 padding:18px 22px;box-shadow:none;border-radius:var(--radius);
}
.acc .accordion-button:not(.collapsed){color:var(--gold-2);background:rgba(255,180,0,.07)}
.acc .accordion-button:focus{box-shadow:inset 0 0 0 2px rgba(255,180,0,.5);border-radius:var(--radius)}
.acc .accordion-button::after{filter:invert(78%) sepia(48%) saturate(720%) hue-rotate(350deg) brightness(1.02)}
.acc .accordion-body{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.85}

/* CTA */
.cta-panel{
 position:relative;overflow:hidden;padding:48px 42px;border-radius:var(--radius-lg);
 border:1px solid rgba(255,180,0,.30);
 background:
 linear-gradient(120deg,rgba(24,29,66,.94),rgba(14,18,42,.96)),
 url("/assets/images/267668089e5ad082.webp") center/cover no-repeat;
 box-shadow:var(--shadow);
}
.cta-panel::before{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:radial-gradient(520px 280px at 88% 12%,rgba(255,180,0,.20),transparent 64%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.7vw,30px);color:#fff}
.cta-inner p{margin-top:12px;color:#c3cbe8;font-size:15.5px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:24px}
.cta-side{display:grid;gap:12px}
.cta-side div{
 padding:14px 16px;border-radius:12px;font-size:14px;color:#cdd5f6;
 background:rgba(255,255,255,.06);border:1px solid var(--line);
}
.cta-side strong{color:var(--gold-2)}

/* ============ FOOTER ============ */
.site-footer{
 background:linear-gradient(180deg,rgba(15,19,42,.62),rgba(8,11,26,.96));
 border-top:1px solid var(--line);padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr .8fr .8fr;gap:40px}
.footer-brand p{color:var(--muted);font-size:14.5px;margin-top:16px;max-width:430px}
.footer-col h4{font-size:14px;letter-spacing:.08em;color:#fff;margin-bottom:14px}
.footer-col a{display:block;color:var(--muted);font-size:14.5px;padding:5px 0}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
 font-size:12.5px;color:#7f89b0;
}
.footer-bottom a{color:#9aa3c7}
.footer-bottom a:hover{color:var(--gold)}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
 :root{--space:60px}
 .cat-hero-grid{grid-template-columns:1fr;gap:32px}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .quote-grid{grid-template-columns:1fr 1fr}
 .stat-strip{grid-template-columns:repeat(2,1fr)}
 .cta-inner{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1.3fr .85fr .85fr;gap:30px}
}
@media (max-width:991.98px){
 .nav-toggle{display:block}
 .nav-shell{min-height:66px}
 .navbar-collapse{
  width:100%;margin-top:12px;padding:14px;border-radius:14px;
  background:rgba(17,22,52,.98);border:1px solid var(--line);
 }
 .nav-links{flex-direction:column;align-items:stretch;gap:4px;width:100%}
 .nav-links .nav-link{padding:11px 14px;font-size:15px}
 .nav-cta{margin:10px 0 0;width:100%}
}
@media (max-width:768px){
 :root{--space:48px}
 .cat-hero{padding:38px 0 46px}
 .grid-4,.grid-3,.quote-grid,.compare{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .cta-panel{padding:34px 24px}
 .ladder-item{grid-template-columns:1fr;gap:12px}
 .ladder-item .lv{width:78px}
 .section-head{margin-bottom:26px}
 .stat-strip strong{font-size:21px}
}
@media (max-width:520px){
 .wrap{padding:0 16px}
 .logo-text{font-size:15.5px}
 .logo-text small{font-size:10px;letter-spacing:.1em}
 .logo-mark{width:32px;height:32px;border-radius:10px;font-size:15px}
 .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%}
 .cat-hero h1{font-size:26px}
 .rhythm-panel{padding:20px 18px}
 .rhythm-row{grid-template-columns:74px 1fr 40px;font-size:12.5px}
 .cta-actions .btn-gold,.cta-actions .btn-ghost{width:100%}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
 --deep:#0b0f22;
 --deep-2:#111634;
 --panel:#1a1f3d;
 --panel-2:#161b38;
 --gold:#ffb400;
 --gold-2:#ffd166;
 --gold-deep:#ff8a00;
 --cyan:#38e1d5;
 --text:#e9ecff;
 --muted:#9aa3c7;
 --line:rgba(255,255,255,.10);
 --line-strong:rgba(255,255,255,.18);
 --radius:14px;
 --radius-lg:20px;
 --shadow:0 18px 44px rgba(4,7,20,.5);
 --shadow-gold:0 14px 34px rgba(255,180,0,.28);
 --space:78px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 color:var(--text);
 line-height:1.75;
 background:
 radial-gradient(900px 520px at 12% -8%, rgba(56,225,213,.14), transparent 62%),
 radial-gradient(760px 460px at 88% 4%, rgba(255,180,0,.14), transparent 60%),
 var(--deep);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease}
a:hover{color:var(--gold)}
button,input,select,textarea{font:inherit;color:inherit}
p{margin:0 0 14px}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.34}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

/* ============ HEADER ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(11,15,34,.88);
 backdrop-filter:blur(14px);
 -webkit-backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px;padding:0}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;color:#fff;letter-spacing:.01em}
.logo:hover{color:#fff}
.logo-mark{
 width:36px;height:36px;border-radius:11px;flex:0 0 auto;
 display:grid;place-items:center;font-size:17px;font-weight:800;color:#20163a;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 0 20px rgba(255,180,0,.45);
}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.16em}
.navbar-collapse{display:flex;align-items:center;justify-content:flex-end;flex:1 1 auto;gap:8px}
.nav-links{display:flex;align-items:center;gap:6px;margin:0}
.nav-links .nav-link{
 display:block;padding:9px 15px;border-radius:10px;font-size:15px;font-weight:500;
 color:#c3caea;background:transparent;transition:all .2s ease;
}
.nav-links .nav-link:hover,.nav-links .nav-link:focus{color:#fff;background:rgba(255,255,255,.07)}
.nav-links .nav-link.active{color:var(--gold);background:rgba(255,180,0,.11);box-shadow:inset 0 0 0 1px rgba(255,180,0,.28)}
.nav-cta{margin-left:12px}
.nav-toggle{
 display:none;width:44px;height:40px;border-radius:10px;border:1px solid var(--line-strong);
 background:rgba(255,255,255,.05);padding:10px 11px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:#dfe5ff;border-radius:2px;margin:4px 0;transition:.2s}
.nav-toggle:focus{outline:2px solid var(--gold);outline-offset:2px}

/* ============ BUTTONS ============ */
.btn-gold{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 24px;border-radius:12px;border:0;cursor:pointer;
 font-size:15px;font-weight:700;color:#21173a;
 background:linear-gradient(135deg,var(--gold-2),var(--gold) 48%,var(--gold-deep));
 box-shadow:0 10px 26px rgba(255,180,0,.30);
 transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-gold:hover{color:#21173a;transform:translateY(-2px);box-shadow:0 16px 36px rgba(255,180,0,.44);filter:saturate(1.08)}
.btn-gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,180,0,.3)}
.btn-ghost{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:12px 22px;border-radius:12px;cursor:pointer;font-size:15px;font-weight:600;
 color:#e5eaff;background:rgba(255,255,255,.055);
 border:1px solid var(--line-strong);
 transition:all .22s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.11);border-color:rgba(255,180,0,.5);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}

/* ============ HERO ============ */
.cat-hero{
 position:relative;overflow:hidden;padding:64px 0 72px;
 background:
 linear-gradient(120deg,rgba(11,15,34,.96) 8%,rgba(17,22,52,.88) 48%,rgba(11,15,34,.92) 100%),
 url("/assets/images/b2021a265d728820.webp") center/cover no-repeat;
 border-bottom:1px solid var(--line);
}
.cat-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
 background-size:64px 64px;
 mask-image:radial-gradient(circle at 50% 18%,#000 10%,transparent 76%);
 -webkit-mask-image:radial-gradient(circle at 50% 18%,#000 10%,transparent 76%);
}
.cat-hero .wrap{position:relative;z-index:2}
.cat-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;
 font-size:13px;font-weight:600;color:var(--gold-2);
 background:rgba(255,180,0,.1);border:1px solid rgba(255,180,0,.34);
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.cat-hero h1{
 margin-top:18px;font-size:clamp(27px,3.9vw,42px);line-height:1.3;font-weight:900;letter-spacing:.01em;
 background:linear-gradient(180deg,#ffffff 34%,#c9d3ff 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:16px;font-size:17px;color:#cdd5f6;font-weight:600;max-width:620px}
.hero-copy{margin-top:14px;font-size:15.5px;color:var(--muted);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.hero-metrics div strong{display:block;font-size:22px;font-weight:800;color:var(--gold)}
.hero-metrics div span{font-size:13px;color:var(--muted)}

/* hero 侧面板 */
.odds-panel{
 background:linear-gradient(160deg,rgba(255,255,255,.085),rgba(255,255,255,.03));
 border:1px solid var(--line-strong);
 border-radius:var(--radius-lg);
 padding:24px 22px;
 box-shadow:var(--shadow);
 backdrop-filter:blur(12px);
 -webkit-backdrop-filter:blur(12px);
}
.odds-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.odds-panel-head h2{font-size:16px;font-weight:800;color:#fff}
.odds-panel-head span{font-size:12px;color:var(--cyan);letter-spacing:.12em}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.chip{
 display:inline-flex;align-items:center;gap:6px;
 padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:600;
 color:#cfd7f6;background:rgba(255,255,255,.06);
 border:1px solid var(--line-strong);cursor:pointer;transition:all .2s ease;
}
.chip:hover{color:#fff;border-color:rgba(255,180,0,.55)}
.chip.is-on{
 color:#20163a;background:linear-gradient(135deg,var(--gold-2),var(--gold));
 border-color:transparent;box-shadow:0 8px 20px rgba(255,180,0,.3);
}
.odds-rows{border-top:1px dashed var(--line-strong);padding-top:14px}
.odds-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.odds-row:last-child{border-bottom:0}
.odds-row dt{font-size:13.5px;color:var(--muted);margin:0}
.odds-row dd{margin:0;font-size:14.5px;font-weight:700;color:#fff}
.odds-row dd em{font-style:normal;color:var(--gold)}

/* ============ SECTION 基础 ============ */
.section{padding:var(--space) 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(26,31,61,.62),rgba(11,15,34,.18));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--gold);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--gold),transparent)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,2.9vw,33px);font-weight:800;line-height:1.36}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;margin-bottom:0}
.lead{color:var(--muted)}

/* ============ 卡片 / 网格 ============ */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
 background:linear-gradient(165deg,rgba(26,31,61,.92),rgba(17,22,52,.88));
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 padding:24px 22px;
 box-shadow:0 10px 26px rgba(4,7,20,.32);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.42);box-shadow:0 20px 40px rgba(4,7,20,.46)}
.card h3{font-size:18px;margin-bottom:10px;color:#fff}
.card p{font-size:14.5px;color:var(--muted);margin-bottom:0}
.card-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.card-icon{
 width:38px;height:38px;border-radius:11px;flex:0 0 auto;display:grid;place-items:center;
 font-size:15px;font-weight:800;color:#20163a;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 box-shadow:0 8px 18px rgba(255,180,0,.25);
}
.tag{
 display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
 font-size:12px;font-weight:600;letter-spacing:.02em;
 color:var(--cyan);background:rgba(56,225,213,.1);border:1px solid rgba(56,225,213,.3);
}
.tag--gold{color:var(--gold-2);background:rgba(255,180,0,.1);border-color:rgba(255,180,0,.32)}
.tag--muted{color:#c3caea;background:rgba(255,255,255,.06);border-color:var(--line-strong)}
.card-list{margin-top:16px;display:grid;gap:9px}
.card-list li{
 position:relative;padding-left:18px;font-size:14px;color:#c6cdf0;line-height:1.65;
}
.card-list li::before{
 content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
}
.kv{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}

/* ============ 图文两栏 ============ */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center}
.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%;object-fit:cover;aspect-ratio:16/11}
.split-media::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(11,15,34,.05),rgba(11,15,34,.62));
}
.split-media figcaption{
 position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
 font-size:13.5px;color:#e4e9ff;font-weight:600;
}
.feature-list{display:grid;gap:14px;margin-top:22px}
.feature-item{
 display:flex;gap:14px;padding:15px 17px;border-radius:var(--radius);
 background:rgba(255,255,255,.04);border:1px solid var(--line);
 transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.feature-item:hover{border-color:rgba(255,180,0,.4);background:rgba(255,255,255,.065);transform:translateX(3px)}
.feature-item b{color:var(--gold);font-size:14px;flex:0 0 auto}
.feature-item span{font-size:14.5px;color:#c6cdf0}

/* ============ 读机四步 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{
 position:relative;padding:26px 20px 22px;border-radius:var(--radius-lg);
 background:linear-gradient(170deg,rgba(26,31,61,.94),rgba(17,22,52,.8));
 border:1px solid var(--line);transition:transform .25s ease,border-color .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(56,225,213,.42)}
.step-num{
 font-size:26px;font-weight:900;line-height:1;
 background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));
 -webkit-background-clip:text;background-clip:text;color:transparent;
 margin-bottom:12px;letter-spacing:.02em;
}
.step h3{font-size:16.5px;margin-bottom:9px}
.step p{font-size:14px;color:var(--muted);margin:0}

/* ============ 场景 ============ */
.scene{
 padding:22px;border-radius:var(--radius-lg);
 background:rgba(255,255,255,.04);border:1px solid var(--line);
 border-left:3px solid rgba(255,180,0,.55);
 transition:background-color .2s ease,border-left-color .2s ease;
}
.scene:hover{background:rgba(255,255,255,.07);border-left-color:var(--gold)}
.scene h3{font-size:16.5px;margin:10px 0 8px}
.scene p{font-size:14px;color:var(--muted);margin-bottom:12px}
.scene strong{color:var(--gold-2);font-weight:700;font-size:14px}

/* ============ 误区对照 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-col{border-radius:var(--radius-lg);padding:24px 22px;border:1px solid var(--line)}
.compare-col--bad{background:linear-gradient(170deg,rgba(60,26,48,.5),rgba(26,20,44,.6));border-color:rgba(255,110,140,.28)}
.compare-col--good{background:linear-gradient(170deg,rgba(26,52,58,.5),rgba(17,28,52,.6));border-color:rgba(56,225,213,.3)}
.compare-col h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.mark{width:24px;height:24px;border-radius:7px;display:grid;place-items:center;font-size:13px;font-weight:800;color:#1a1330}
.mark--bad{background:linear-gradient(135deg,#ff8fa8,#e05377)}
.mark--good{background:linear-gradient(135deg,var(--cyan),#22b9ae)}
.compare-col li{font-size:14.5px;color:#c8cff2;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.09);line-height:1.65}
.compare-col li:last-child{border-bottom:0}

/* ============ 数据条 ============ */
.stats{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
 padding:26px 22px;border-radius:var(--radius-lg);
 background:linear-gradient(120deg,rgba(255,180,0,.09),rgba(56,225,213,.07));
 border:1px solid var(--line-strong);
}
.stat strong{display:block;font-size:26px;font-weight:900;color:var(--gold);line-height:1.2}
.stat span{font-size:13.5px;color:#c3caea}
.quote-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px}
.quote{
 padding:20px;border-radius:var(--radius);background:rgba(255,255,255,.04);
 border:1px solid var(--line);font-size:14px;color:#c8cff2;
}
.quote b{display:block;margin-top:12px;font-size:13px;color:var(--gold-2);font-weight:700}

/* ============ 内容列表 ============ */
.post-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
 display:flex;flex-direction:column;overflow:hidden;
 border-radius:var(--radius-lg);border:1px solid var(--line);
 background:linear-gradient(170deg,rgba(26,31,61,.92),rgba(17,22,52,.9));
 transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.42);box-shadow:0 20px 40px rgba(4,7,20,.46)}
.post-thumb{display:block;overflow:hidden;aspect-ratio:16/9}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.post-body h3{font-size:16.5px;line-height:1.5}
.post-body h3 a{color:#fff}
.post-body h3 a:hover{color:var(--gold)}
.post-body p{font-size:13.8px;color:var(--muted);margin:0}
.post-more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--gold-2)}
.empty-note{
 padding:26px 22px;border-radius:var(--radius);border:1px dashed var(--line-strong);
 color:var(--muted);font-size:14.5px;text-align:center;background:rgba(255,255,255,.03);
}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:40px;align-items:start}
.faq-side p{font-size:14.5px;color:var(--muted)}
.faq-side .btn-ghost{margin-top:8px}
.faq-list{display:grid;gap:12px}
.faq-item{
 border-radius:var(--radius);border:1px solid var(--line);
 background:rgba(255,255,255,.035);overflow:hidden;transition:border-color .2s ease,background-color .2s ease;
}
.faq-item[open]{border-color:rgba(255,180,0,.4);background:rgba(255,255,255,.06)}
.faq-item summary{
 cursor:pointer;list-style:none;padding:16px 46px 16px 18px;position:relative;
 font-size:15.5px;font-weight:700;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
 font-size:19px;font-weight:700;color:var(--gold);line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{padding:0 18px 18px;font-size:14.5px;color:var(--muted);line-height:1.75}

/* ============ CTA ============ */
.cta-band{
 position:relative;overflow:hidden;border-radius:24px;
 padding:42px 38px;border:1px solid rgba(255,180,0,.32);
 background:
 linear-gradient(120deg,rgba(26,31,61,.96),rgba(17,22,52,.9)),
 url("/assets/images/267668089e5ad082.webp") right center/cover no-repeat;
 box-shadow:var(--shadow);
}
.cta-band::before{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:radial-gradient(560px 260px at 86% 12%,rgba(255,180,0,.22),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.cta-inner h2{font-size:clamp(21px,2.6vw,29px);line-height:1.4}
.cta-inner p{margin-top:12px;color:var(--muted);font-size:15px;margin-bottom:0}
.lead-form{display:grid;gap:12px;background:rgba(11,15,34,.62);border:1px solid var(--line-strong);border-radius:var(--radius-lg);padding:20px}
.field label{display:block;font-size:13px;color:#c3caea;margin-bottom:6px;font-weight:600}
.field input,.field select{
 width:100%;padding:11px 14px;border-radius:10px;
 background:rgba(255,255,255,.06);border:1px solid var(--line-strong);color:#fff;
 font-size:14.5px;transition:border-color .2s ease,background-color .2s ease;
}
.field input::placeholder{color:#7d87ad}
.field input:focus,.field select:focus{outline:none;border-color:var(--gold);background:rgba(255,255,255,.1)}
.field select option{color:#101433}
.form-note{font-size:12.5px;color:var(--muted);margin:0}
.form-ok{display:none;font-size:14px;color:var(--cyan);font-weight:600}
.lead-form.is-done .form-ok{display:block}
.lead-form.is-done .field,.lead-form.is-done .btn-gold{display:none}

/* ============ FOOTER ============ */
.site-footer{
 margin-top:10px;padding:52px 0 26px;
 background:linear-gradient(180deg,rgba(11,15,34,.6),rgba(8,11,26,.96));
 border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr .75fr .75fr;gap:34px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--muted);max-width:420px}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:14px}
.footer-col a{display:block;padding:5px 0;font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
 margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
 display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
 font-size:13px;color:#8b94bb;
}
.footer-bottom a{color:#b9c1e4}
.footer-bottom a:hover{color:var(--gold)}

/* ============ 响应式 ============ */
@media (max-width:1023.98px){
 :root{--space:60px}
 .cat-hero-grid,.split,.faq-layout,.cta-inner{grid-template-columns:1fr;gap:32px}
 .grid-4,.steps,.post-list,.quote-row{grid-template-columns:repeat(2,minmax(0,1fr))}
 .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
 .footer-brand{grid-column:1 / -1}
 .cta-band{padding:32px 26px}
}
@media (max-width:991.98px){
 .nav-toggle{display:block !important}
 .navbar-collapse{
  display:flex;flex-direction:column;align-items:stretch;
  padding:14px 0 8px;margin-top:8px;border-top:1px solid var(--line);
 }
 .nav-links{flex-direction:column;align-items:stretch;gap:4px;width:100%}
 .nav-links .nav-link{padding:11px 14px}
 .nav-cta{margin:10px 0 4px;width:100%}
 .nav-shell{min-height:66px;flex-wrap:wrap}
}
@media (max-width:767.98px){
 .hero-metrics{gap:20px}
 .hero-metrics div strong{font-size:19px}
 .grid-3,.grid-4,.steps,.post-list,.quote-row,.compare,.stats{grid-template-columns:1fr}
 .stats{padding:22px 18px;gap:14px}
 .card{padding:20px 18px}
 .section{padding:52px 0}
}
@media (max-width:519.98px){
 .wrap{padding:0 16px}
 .cat-hero{padding:44px 0 52px}
 .hero-actions .btn-gold,.hero-actions .btn-ghost{width:100%}
 .logo{font-size:15.5px}
 .logo-text small{letter-spacing:.1em}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start}
 .cta-band{padding:26px 18px;border-radius:18px}
}

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