/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#0A101C;
  --bg-2:#0F1725;
  --bg-elev:#121B2B;
  --brand:#1FE0D0;
  --brand-hover:#4BEBDE;
  --brand-deep:#0FB9C9;
  --accent:#FF5A36;
  --ink-1:#EAF2FA;
  --ink-2:#9AA9BB;
  --ink-3:#5F7085;
  --line:rgba(255,255,255,.07);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.09);
  --r-lg:24px;
  --r-card:18px;
  --r-sm:12px;
  --r-inner:14px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset,0 18px 40px rgba(0,0,0,.45);
  --shadow-card-hover:0 22px 50px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(31,224,208,.35),0 10px 34px rgba(31,224,208,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand)}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(31,224,208,.28)}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;
  display:flex;align-items:center;
  transition:height .26s var(--ease),background .26s var(--ease),border-color .26s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  height:56px;
  background:rgba(10,16,28,.82);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;gap:32px;width:100%}
.logo{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto}
.logo strong{font-size:18px;font-weight:800;letter-spacing:.01em}
.logo span{font-size:11px;color:var(--ink-3);letter-spacing:.22em;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:8px}
.nav-links a{
  position:relative;
  font-size:15px;color:var(--ink-2);
  padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-links a:hover{color:var(--ink-1)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink-1)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--brand);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.search-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  color:var(--ink-2);transition:color .22s var(--ease),background .22s var(--ease);
}
.search-btn:hover{color:var(--brand);background:rgba(255,255,255,.05)}
.search-btn svg{width:18px;height:18px}
.nav-divider{width:1px;height:20px;background:var(--line)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-sm);
  font-size:14px;font-weight:600;
  padding:0 20px;height:44px;white-space:nowrap;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{background:var(--brand);color:#04201E;box-shadow:0 8px 24px rgba(31,224,208,.18)}
.btn-primary:hover{background:var(--brand-hover);color:#04201E;transform:translateY(-1px);box-shadow:0 12px 30px rgba(31,224,208,.3)}
.btn-primary:active{transform:translateY(0);background:var(--brand-deep)}
.btn-ghost{border:1px solid var(--glass-line);color:var(--ink-1);background:var(--glass);backdrop-filter:blur(12px)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(31,224,208,.08)}
.btn-sm{height:38px;font-size:13.5px;padding:0 16px}
.mobile-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.mobile-toggle i{display:block;width:20px;height:1.5px;background:var(--ink-1);transition:transform .24s var(--ease),opacity .2s var(--ease)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.7);opacity:0;visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;
  background:var(--bg-elev);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .3s var(--ease);
  z-index:80;display:flex;flex-direction:column;padding:28px 24px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-head strong{font-size:16px}
.drawer-close{width:34px;height:34px;color:var(--ink-2);font-size:20px;line-height:1}
.drawer nav a{
  display:block;font-size:20px;color:var(--ink-1);padding:16px 0;border-bottom:1px solid var(--line);
}
.drawer nav a.active{color:var(--brand)}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--line);color:var(--ink-3);font-size:13px}
.drawer-foot a{display:block;padding:6px 0;color:var(--ink-2);font-size:14px}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:520px;height:92vh;
  display:flex;align-items:center;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-mask{position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(5,8,15,.35) 0%,rgba(5,8,15,.72) 55%,rgba(5,8,15,1) 100%),
    linear-gradient(90deg,rgba(4,7,14,.94) 0%,rgba(4,7,14,.55) 48%,rgba(4,7,14,0) 88%);
}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-content{max-width:720px}
.badge-live{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,90,54,.09);border:1px solid rgba(255,90,54,.3);
  font-size:12px;letter-spacing:.08em;font-weight:600;color:#FFC7B6;
}
.badge-live i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(255,90,54,.6);animation:breath 2s infinite}
@keyframes breath{
  0%{box-shadow:0 0 0 0 rgba(255,90,54,.55)}
  70%{box-shadow:0 0 0 8px rgba(255,90,54,0)}
  100%{box-shadow:0 0 0 0 rgba(255,90,54,0)}
}
.hero h1{
  font-size:44px;font-weight:800;line-height:1.2;letter-spacing:-0.01em;
  margin:26px 0 18px;
}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:560px;line-height:1.8}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-cta .btn{height:50px;padding:0 26px;font-size:15px}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:40px;
  font-size:13.5px;color:var(--ink-3);
}
.hero-meta span strong{color:var(--ink-1);font-weight:700;font-size:15px;margin-right:4px;font-variant-numeric:tabular-nums}
.hero-side{
  position:absolute;right:24px;bottom:64px;z-index:3;width:240px;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-inner);
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
  padding:10px;box-shadow:var(--shadow-card);
}
.hero-side img{width:100%;height:120px;object-fit:cover;border-radius:10px}
.hero-side p{margin-top:10px;font-size:12.5px;color:var(--ink-2);line-height:1.5}
.hero-side p strong{color:var(--ink-1);display:block;font-size:13.5px;margin-bottom:2px}
.hero-dots{
  position:absolute;left:24px;bottom:34px;z-index:3;display:flex;gap:12px;
}
.hero-dots button{height:3px;width:24px;background:rgba(255,255,255,.16);border-radius:2px;transition:background .24s var(--ease),width .24s var(--ease)}
.hero-dots button.on{background:var(--brand);width:32px}

/* ---------- sections ---------- */
main{display:block}
.section{padding:var(--gap-section) 0;position:relative}
.section.alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;gap:24px;margin-bottom:36px}
.section-head .head-line{flex:1;height:1px;background:var(--line);margin-bottom:12px}
.section-title{font-size:28px;font-weight:700;line-height:1.3}
.section-title small{display:block;font-size:13.5px;font-weight:400;color:var(--ink-3);letter-spacing:0;margin-top:8px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--ink-2);padding-bottom:2px;position:relative;
}
.link-more::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease)}
.link-more:hover::after{transform:scaleX(1)}
.link-more i{transition:transform .24s var(--ease);font-style:normal}
.link-more:hover i{transform:translateX(4px)}

/* rail */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{
  content:"";position:absolute;top:0;bottom:14px;width:48px;z-index:4;pointer-events:none;
}
.rail-wrap::before{left:-24px;background:linear-gradient(90deg,var(--bg-0),transparent)}
.rail-wrap::after{right:-24px;background:linear-gradient(270deg,var(--bg-0),transparent)}
.section.alt .rail-wrap::before{background:linear-gradient(90deg,var(--bg-1),transparent)}
.section.alt .rail-wrap::after{background:linear-gradient(270deg,var(--bg-1),transparent)}
.rail{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:14px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 240px;width:240px;height:340px;position:relative;
  border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);
  scroll-snap-align:start;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.rail-card img{width:100%;height:100%;object-fit:cover;transition:filter .26s var(--ease),transform .5s var(--ease)}
.rail-card:hover{transform:translateY(-6px) scale(1.03);box-shadow:var(--glow);border-color:transparent}
.rail-card:hover img{filter:brightness(1.08)}
.rail-card .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 30%,rgba(5,8,15,.9) 100%);
}
.rail-info{position:absolute;left:16px;right:16px;bottom:16px}
.rail-info h3{font-size:16px;font-weight:600;line-height:1.5;margin:10px 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rail-info .meta{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.chip{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  background:rgba(31,224,208,.12);color:var(--brand);border:1px solid rgba(31,224,208,.22);
}
.chip.orange{background:rgba(255,90,54,.12);color:#FFB59F;border-color:rgba(255,90,54,.26)}

/* recommended 7+5 */
.rec-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.rec-main{
  grid-column:span 7;position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);min-height:420px;display:flex;align-items:flex-end;
  background:var(--bg-2);box-shadow:var(--shadow-card);
  transition:box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.rec-main:hover{box-shadow:var(--shadow-card-hover);border-color:rgba(31,224,208,.4)}
.rec-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.rec-main .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.1) 20%,rgba(5,8,15,.94) 100%)}
.rec-panel{
  position:relative;margin:20px;padding:22px;border-radius:var(--r-inner);
  background:rgba(10,16,28,.66);border:1px solid var(--glass-line);
  backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);
  width:100%;
}
.rec-panel h3{font-size:22px;font-weight:700;line-height:1.4;margin:12px 0 10px}
.rec-panel p{font-size:14.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-panel .btn{margin-top:18px}
.rec-list{grid-column:span 5;display:flex;flex-direction:column;gap:12px}
.rec-item{
  position:relative;display:flex;gap:16px;align-items:center;
  padding:14px 16px;border-radius:var(--r-inner);
  border:1px solid var(--line);background:var(--bg-2);
  transition:background .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.rec-item:hover{background:rgba(255,255,255,.03);border-color:rgba(31,224,208,.35);transform:translateX(4px)}
.rec-item .idx{
  font-size:64px;font-weight:800;line-height:1;opacity:.12;font-variant-numeric:tabular-nums;
  flex:0 0 auto;width:56px;
}
.rec-item h3{font-size:15.5px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.rec-item .meta{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;white-space:nowrap}

/* special grid */
.spec-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.spec-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-2);min-height:200px;display:flex;align-items:flex-end;
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.spec-card:hover{transform:translateY(-4px);border-color:rgba(31,224,208,.4);box-shadow:var(--shadow-card-hover)}
.spec-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72}
.spec-card .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.15),rgba(5,8,15,.92))}
.spec-card .inner{position:relative;padding:20px}
.spec-card h3{font-size:18px;font-weight:600;margin-top:10px;line-height:1.5}
.spec-card p{font-size:13.5px;color:var(--ink-2);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.spec-a{grid-column:span 5;min-height:320px}
.spec-b{grid-column:span 4;min-height:320px}
.spec-c{grid-column:span 3;min-height:320px}
.spec-wide{grid-column:span 6;min-height:210px}
.spec-narrow{grid-column:span 6;min-height:210px;position:relative;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);padding:24px;display:flex;flex-direction:column;justify-content:center}
.spec-narrow li{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-2)}
.spec-narrow li:last-child{border-bottom:0}
.spec-narrow li b{color:var(--brand);font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;min-width:32px}

/* news list (CMS) */
.news-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:24px}
.news-toolbar .chip{background:transparent;color:var(--ink-2);border-color:var(--line);letter-spacing:.02em;font-weight:500;cursor:default}
.news-toolbar .chip.on{background:rgba(31,224,208,.12);color:var(--brand);border-color:rgba(31,224,208,.24)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.news-card{
  position:relative;display:flex;gap:16px;padding:16px;border-radius:var(--r-inner);
  border:1px solid var(--line);background:var(--bg-2);
  transition:background .24s var(--ease),border-color .24s var(--ease);
  overflow:hidden;
}
.news-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform .24s var(--ease);
}
.news-card:hover{background:rgba(255,255,255,.03);border-color:var(--glass-line)}
.news-card:hover::before{transform:scaleY(1)}
.news-card:hover h3 a{color:var(--brand)}
.news-thumb{flex:0 0 96px;width:96px;height:72px;border-radius:10px;overflow:hidden;background:rgba(31,224,208,.08)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{flex:1;min-width:0}
.news-body h3{font-size:16px;font-weight:600;line-height:1.5;margin:8px 0 6px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-body p{font-size:13.5px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);display:inline-block}
.empty-state{
  grid-column:1/-1;min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  border:1px dashed var(--line);border-radius:var(--r-card);color:var(--ink-3);background:var(--bg-2);
}
.empty-state svg{width:26px;height:26px;opacity:.6}
.empty-state strong{color:var(--ink-2);font-size:15px;font-weight:600}
.empty-state span{font-size:13px}

/* evidence */
.evidence{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.evidence-panel{grid-column:span 7;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);padding:28px;box-shadow:var(--shadow-card)}
.evidence-panel h3{font-size:19px;margin-bottom:22px}
.bar-row{margin-bottom:20px}
.bar-row .bar-top{display:flex;justify-content:space-between;font-size:14px;color:var(--ink-2);margin-bottom:9px}
.bar-row .bar-top b{color:var(--ink-1);font-variant-numeric:tabular-nums}
.bar{height:6px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-deep),var(--brand))}
.bar.orange i{background:linear-gradient(90deg,#C43E1F,var(--accent))}
.quote-list{grid-column:span 5;display:flex;flex-direction:column;gap:16px}
.quote{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);padding:22px;
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.quote:hover{border-color:rgba(31,224,208,.34);transform:translateY(-3px)}
.quote p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.quote .who{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--ink-3)}
.quote .who b{color:var(--ink-1);font-weight:600;font-size:13.5px}
.avatar{width:32px;height:32px;border-radius:50%;background:rgba(31,224,208,.16);display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:13px;font-weight:700}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child,.faq-item:nth-child(2){border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;text-align:left;font-size:16px;font-weight:600;color:var(--ink-1);
  border-left:2px solid transparent;padding-left:0;
  transition:color .22s var(--ease),padding-left .22s var(--ease),border-color .22s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-item.open .faq-q{color:var(--brand);border-left-color:var(--brand);padding-left:14px}
.faq-icon{position:relative;width:14px;height:14px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;transition:transform .26s var(--ease),opacity .26s var(--ease)}
.faq-icon::before{left:0;top:6.5px;width:14px;height:1.5px}
.faq-icon::after{top:0;left:6.5px;width:1.5px;height:14px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a p{padding:0 0 20px;font-size:15px;color:var(--ink-2);line-height:1.8;max-width:640px}
.faq-item.open .faq-a{padding-left:14px}

/* CTA form */
.cta-panel{
  width:100%;max-width:720px;margin:0 auto;padding:44px 40px;border-radius:var(--r-lg);
  border:1px solid var(--glass-line);background:var(--bg-1);position:relative;overflow:hidden;text-align:center;
}
.cta-panel::before{
  content:"";position:absolute;left:50%;top:0;width:620px;height:620px;transform:translate(-50%,-46%);
  background:radial-gradient(circle,rgba(31,224,208,.09),rgba(31,224,208,0) 62%);
  pointer-events:none;
}
.cta-panel > *{position:relative}
.cta-panel h2{font-size:26px;line-height:1.35}
.cta-panel p{color:var(--ink-2);font-size:15px;margin-top:14px;max-width:520px;margin-left:auto;margin-right:auto}
.form-row{display:flex;gap:12px;margin-top:28px}
.form-row input{
  flex:1;height:48px;padding:0 18px;border-radius:var(--r-sm);
  background:var(--glass);border:1px solid var(--glass-line);color:var(--ink-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.form-row input::placeholder{color:var(--ink-3)}
.form-row input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,208,.08)}
.form-row .btn{height:48px;padding:0 28px}
.note{font-size:12px;color:var(--ink-3);margin-top:14px}

/* footer */
.site-footer{background:#04070D;border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand strong{font-size:18px;font-weight:800;display:block}
.footer-brand span{font-size:11px;letter-spacing:.22em;color:var(--ink-3);display:block;margin-top:5px}
.footer-brand p{font-size:13.5px;color:var(--ink-2);margin-top:16px;max-width:280px;line-height:1.8}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink-1);margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--ink-2);padding:7px 0}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-3);
}

/* responsive */
@media (min-width:1440px){.container{max-width:1320px}}
@media (max-width:1199px){
  .hero h1{font-size:38px}
  .rec-main{grid-column:span 7}
  .rec-list{grid-column:span 5}
  .spec-a{grid-column:span 6}
  .spec-b{grid-column:span 6}
  .spec-c{grid-column:span 6}
  .spec-narrow{grid-column:span 6}
  .evidence-panel{grid-column:span 12}
  .quote-list{grid-column:span 12;display:grid;grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  :root{--gap-section:64px}
  .nav-links,.nav-divider,.search-btn{display:none}
  .mobile-toggle{display:flex}
  .hero{height:auto;min-height:0;padding:130px 0 92px}
  .hero h1{font-size:34px}
  .hero-side{position:relative;right:auto;bottom:auto;margin-top:34px;width:100%;max-width:320px}
  .section-title{font-size:22px}
  .rec-main{grid-column:span 12;min-height:340px}
  .rec-list{grid-column:span 12}
  .spec-a,.spec-b,.spec-c,.spec-wide,.spec-narrow{grid-column:span 12;min-height:240px}
  .news-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .faq-item:nth-child(2){border-top:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--gap-section:48px}
  body{font-size:15.5px}
  .container{padding:0 16px}
  .hero{padding:118px 0 72px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-cta{flex-direction:column;gap:12px}
  .hero-cta .btn{width:100%}
  .hero-meta{gap:18px;font-size:13px}
  .hero-dots{left:16px;bottom:20px}
  .rail-card{flex:0 0 78%;width:78%;height:320px}
  .rail-wrap::before,.rail-wrap::after{display:none}
  .news-card{gap:12px;padding:14px}
  .news-thumb{flex:0 0 84px;width:84px;height:64px}
  .cta-panel{padding:32px 20px}
  .form-row{flex-direction:column}
  .form-row .btn{width:100%}
  .quote-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{border-top:1px solid var(--line);padding-top:18px}
  .footer-brand{border-top:0;padding-top:0}
  .footer-bottom{flex-direction:column}
}
@media (hover:none){
  .rail-card:hover{transform:none;box-shadow:none}
  .rec-item:hover{transform:none}
  .spec-card:hover{transform:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A101C;
  --bg-2:#0F1725;
  --bg-elev:#121B2B;
  --brand:#1FE0D0;
  --brand-h:#4BEBDE;
  --brand-d:#0FB9C9;
  --accent:#FF5A36;
  --ink-1:#EAF2FA;
  --ink-2:#9AA9BB;
  --ink-3:#5F7085;
  --line:rgba(255,255,255,.07);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.09);
  --r-hero:24px;
  --r-card:18px;
  --r-sm:14px;
  --r-img:12px;
  --r-btn:12px;
  --shadow:0 1px 0 rgba(255,255,255,.04) inset, 0 18px 40px rgba(0,0,0,.45);
  --shadow-h:0 22px 50px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(31,224,208,.35), 0 10px 34px rgba(31,224,208,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),opacity .22s var(--ease);}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  height:var(--header-h);
  background:linear-gradient(180deg,rgba(5,8,15,.86),rgba(5,8,15,.35) 70%,rgba(5,8,15,0));
  transition:height .26s var(--ease),background-color .26s var(--ease),border-color .26s var(--ease),backdrop-filter .26s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  height:56px;
  background:rgba(6,10,18,.82);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom-color:var(--line);
}
.header-inner{height:100%;display:flex;align-items:center;gap:28px;}
.brand{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto;}
.brand-mark{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink-1);}
.brand-mark em{font-style:normal;color:var(--brand);}
.brand-sub{font-size:11px;letter-spacing:.14em;color:var(--ink-3);margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:auto;}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .26s var(--ease);
}
.nav-links a:hover{color:var(--ink-1);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink-1);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active::before{
  content:"";position:absolute;left:-12px;top:50%;width:4px;height:4px;border-radius:50%;
  background:var(--brand);transform:translateY(-50%);
}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:10px;
  border:1px solid transparent;color:var(--ink-2);
}
.icon-btn:hover{color:var(--brand);border-color:var(--glass-line);background:var(--glass);}
.v-line{width:1px;height:20px;background:var(--line);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:600;letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{background:var(--brand);color:#04171A;box-shadow:0 8px 24px rgba(31,224,208,.18);}
.btn-primary:hover{background:var(--brand-h);transform:translateY(-1px);box-shadow:var(--glow);}
.btn-primary:active{transform:translateY(0);background:var(--brand-d);}
.btn-ghost{background:transparent;border:1px solid var(--glass-line);color:var(--ink-1);padding:12px 24px;}
.btn-ghost:hover{border-color:rgba(31,224,208,.5);color:var(--brand);background:rgba(31,224,208,.08);}
.btn-lg{padding:14px 30px;font-size:16px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink-2);}
.link-more svg{transition:transform .24s var(--ease);}
.link-more:hover{color:var(--brand);}
.link-more:hover svg{transform:translateX(4px);}
.hamburger{display:none;width:40px;height:40px;place-items:center;border-radius:10px;border:1px solid transparent;}
.hamburger span{display:block;width:20px;height:1.5px;background:var(--ink-1);margin:4px auto;border-radius:2px;transition:transform .26s var(--ease),opacity .26s var(--ease);}
.hamburger:hover{border-color:var(--glass-line);background:var(--glass);}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.7);opacity:0;pointer-events:none;
  transition:opacity .26s var(--ease);z-index:70;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;z-index:80;
  background:var(--bg-elev);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:24px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-head strong{font-size:16px;}
.drawer-nav{margin-top:8px;}
.drawer-nav a{
  display:block;font-size:20px;padding:18px 0;border-bottom:1px solid var(--line);color:var(--ink-1);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand);}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);line-height:1.8;}
body.locked{overflow:hidden;}

/* ---------- page ---------- */
main{padding-top:var(--header-h);}
.crumbs{padding:26px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:#33414F;}
.crumbs .current{color:var(--ink-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{padding:22px 0 30px;border-bottom:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  background:rgba(31,224,208,.1);color:var(--brand);border:1px solid rgba(31,224,208,.28);
}
.tag-live{background:rgba(255,90,54,.12);color:#FF8A6D;border-color:rgba(255,90,54,.3);}
.article-head h1{
  font-size:40px;line-height:1.24;font-weight:800;letter-spacing:-.01em;
  margin:18px 0 0;max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:13px;color:var(--ink-3);}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:#39485A;}
.meta-row strong{color:var(--ink-2);font-weight:500;}

.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:56px;
  padding-top:44px;padding-bottom:80px;
}
.article-body{min-width:0;}
.cover-figure{margin:0 0 34px;}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);}
.cover-figure figcaption{margin-top:12px;font-size:13px;color:var(--ink-3);text-align:center;}

.entry-content{max-width:760px;font-size:17px;line-height:1.9;color:#D7E2EE;}
.entry-content p{margin:0 0 1.4em;}
.entry-content h2{
  position:relative;font-size:26px;font-weight:700;line-height:1.35;color:var(--ink-1);
  margin:40px 0 16px;padding-left:16px;
}
.entry-content h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:.95em;border-radius:2px;background:var(--brand);
}
.entry-content h3{font-size:20px;font-weight:600;color:var(--ink-1);margin:28px 0 12px;}
.entry-content h4{font-size:17px;font-weight:600;color:var(--ink-1);margin:22px 0 10px;}
.entry-content a{color:var(--brand);border-bottom:1px solid rgba(31,224,208,.35);}
.entry-content a:hover{color:var(--brand-h);border-bottom-color:var(--brand-h);}
.entry-content strong{color:#FFFFFF;font-weight:700;}
.entry-content img{border-radius:var(--r-img);margin:22px auto;border:1px solid var(--line);}
.entry-content figure{margin:24px 0;}
.entry-content figcaption{margin-top:10px;font-size:13px;color:var(--ink-3);text-align:center;}
.entry-content blockquote{
  margin:26px 0;padding:16px 22px;border-left:3px solid var(--brand);
  background:rgba(31,224,208,.06);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#CFDCE9;
}
.entry-content blockquote p:last-child{margin-bottom:0;}
.entry-content ul,.entry-content ol{margin:0 0 1.4em;padding-left:4px;}
.entry-content ul li,.entry-content ol li{position:relative;padding-left:22px;margin:8px 0;}
.entry-content ul li::before{
  content:"";position:absolute;left:4px;top:.78em;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.entry-content ol{counter-reset:li;}
.entry-content ol li{counter-increment:li;}
.entry-content ol li::before{
  content:counter(li);position:absolute;left:0;top:0;color:var(--brand);font-weight:700;
  font-variant-numeric:tabular-nums;
}
.entry-content ul ul,.entry-content ol ol,.entry-content ul ol,.entry-content ol ul{margin-left:24px;}
.entry-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  display:block;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-sm);
}
.entry-content th,.entry-content td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.entry-content thead th{background:rgba(255,255,255,.04);color:var(--ink-1);font-weight:600;}
.entry-content tbody tr:last-child td{border-bottom:0;}
.entry-content code{
  background:#0B1220;border:1px solid var(--line);border-radius:6px;padding:2px 6px;font-size:14px;color:#9BE9E0;
}
.entry-content pre{
  background:#0B1220;border:1px solid var(--line);border-radius:var(--r-img);
  padding:18px 20px;overflow-x:auto;margin:22px 0;font-size:14px;line-height:1.7;
}
.entry-content pre code{background:none;border:0;padding:0;}
.entry-content hr{border:0;border-top:1px solid var(--line);margin:36px 0;}

.empty-state{
  min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1px dashed var(--glass-line);border-radius:var(--r-card);background:var(--glass);text-align:center;padding:40px 20px;
}
.empty-state svg{opacity:.5;}
.empty-state h2{font-size:20px;font-weight:600;}
.empty-state p{font-size:14px;color:var(--ink-3);}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:44px 0 0;padding-top:28px;border-top:1px solid var(--line);}
.tag-row a{
  padding:7px 15px;border-radius:999px;border:1px solid var(--glass-line);
  font-size:13px;color:var(--ink-2);background:var(--glass);
}
.tag-row a:hover{color:var(--brand);border-color:rgba(31,224,208,.4);background:rgba(31,224,208,.07);}

/* sidebar */
.article-side{min-width:0;}
.side-card{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);
  padding:22px;margin-bottom:22px;box-shadow:var(--shadow);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--ink-1);padding-bottom:14px;margin-bottom:6px;
  border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand);}
.hot-list li{border-bottom:1px solid var(--line);}
.hot-list li:last-child{border-bottom:0;}
.hot-list a{display:flex;gap:12px;padding:13px 0;}
.hot-list .idx{
  font-size:15px;font-weight:800;color:var(--ink-3);font-variant-numeric:tabular-nums;flex:0 0 22px;
}
.hot-list li:nth-child(1) .idx,.hot-list li:nth-child(2) .idx,.hot-list li:nth-child(3) .idx{color:var(--accent);}
.hot-list .txt{font-size:14px;line-height:1.6;color:var(--ink-2);transition:color .22s var(--ease);}
.hot-list a:hover .txt{color:var(--brand);}
.chip-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.chip-cloud a{
  padding:6px 14px;border-radius:999px;font-size:13px;color:var(--ink-2);
  border:1px solid var(--glass-line);background:var(--glass);
}
.chip-cloud a:hover{color:var(--brand);border-color:rgba(31,224,208,.4);}
.side-cta{background:linear-gradient(180deg,rgba(31,224,208,.08),rgba(15,23,37,0) 70%),var(--bg-2);}
.side-cta p{font-size:13px;color:var(--ink-3);margin:10px 0 16px;line-height:1.7;}
.side-cta form{display:flex;flex-direction:column;gap:10px;}
.side-cta input{
  height:44px;border-radius:10px;border:1px solid var(--glass-line);background:rgba(255,255,255,.03);
  padding:0 14px;font-size:14px;color:var(--ink-1);transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.side-cta input::placeholder{color:#4E5E72;}
.side-cta input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,208,.08);}
.sticky{position:sticky;top:88px;}

/* prev / next */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:36px;}
.pager a{
  display:flex;flex-direction:column;gap:8px;padding:20px 22px;border-radius:var(--r-card);
  border:1px solid var(--line);background:var(--bg-2);transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.pager a:hover{border-color:rgba(31,224,208,.4);transform:translateY(-3px);box-shadow:var(--shadow-h);}
.pager span{font-size:12px;letter-spacing:.08em;color:var(--ink-3);}
.pager strong{font-size:15px;font-weight:600;color:var(--ink-1);line-height:1.6;}
.pager a:hover strong{color:var(--brand);}
.pager .next{text-align:right;align-items:flex-end;}

/* related */
.related{padding:72px 0 84px;border-top:1px solid var(--line);background:var(--bg-1);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.01em;}
.section-head h2 span{color:var(--brand);}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rec-card{
  display:block;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.rec-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h);border-color:rgba(31,224,208,.4);}
.rec-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease),filter .3s var(--ease);}
.rec-card:hover .thumb img{transform:scale(1.04);filter:brightness(1.08);}
.rec-card .thumb::after{
  content:"";position:absolute;inset:auto 0 0 0;height:58%;
  background:linear-gradient(180deg,rgba(5,8,15,0),rgba(5,8,15,.9));
}
.rec-card .body{padding:18px 20px 22px;}
.rec-card h3{font-size:16px;font-weight:600;line-height:1.6;color:var(--ink-1);transition:color .22s var(--ease);}
.rec-card:hover h3{color:var(--brand);}
.rec-card .desc{font-size:13.5px;color:var(--ink-3);margin-top:10px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-card .meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.back-line{margin-top:36px;}
.back-line a{font-size:14px;color:var(--ink-2);display:inline-flex;align-items:center;gap:8px;}
.back-line a:hover{color:var(--brand);}

/* subscribe */
.subscribe{padding:88px 0;background:radial-gradient(circle at 50% 0%,rgba(31,224,208,.10),transparent 62%),var(--bg-0);}
.subscribe-panel{
  max-width:720px;margin:0 auto;padding:40px;border-radius:var(--r-hero);
  border:1px solid var(--glass-line);background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);
  text-align:center;
}
.subscribe-panel h2{font-size:28px;font-weight:700;letter-spacing:-.01em;}
.subscribe-panel p{font-size:14.5px;color:var(--ink-2);margin-top:14px;line-height:1.8;}
.subscribe-form{display:flex;gap:12px;margin-top:26px;}
.subscribe-form input{
  flex:1;height:48px;border-radius:12px;border:1px solid var(--glass-line);
  background:rgba(255,255,255,.03);padding:0 16px;font-size:15px;color:var(--ink-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.subscribe-form input::placeholder{color:#4E5E72;}
.subscribe-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,208,.08);}
.privacy-note{font-size:12px;color:var(--ink-3);margin-top:14px;}

/* footer */
.site-footer{background:#04070D;border-top:1px solid var(--line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand strong{display:block;font-size:18px;font-weight:800;color:var(--ink-1);letter-spacing:-.01em;}
.footer-brand span{display:block;font-size:11px;letter-spacing:.14em;color:var(--ink-3);margin-top:6px;}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-top:16px;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink-1);margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:var(--ink-2);padding:6px 0;}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}

@media (max-width:1439px){
  .container{max-width:1200px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .hamburger{display:grid;}
  main{padding-top:64px;}
  .article-head h1{font-size:30px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:34px;}
  .article-side{display:none;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .article-head h1{font-size:26px;}
  .entry-content{font-size:15.5px;line-height:1.85;}
  .entry-content h2{font-size:22px;}
  .pager{grid-template-columns:1fr;}
  .pager .next{text-align:left;align-items:flex-start;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .related{padding:48px 0 56px;}
  .subscribe{padding:56px 0;}
  .subscribe-panel{padding:26px 20px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:0;}
  .footer-col{border-top:1px solid var(--line);padding:20px 0;}
  .footer-brand{padding-bottom:20px;}
  .footer-bottom{flex-direction:column;}
}
@media (hover:none){
  .rec-card:hover,.pager a:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A101C;
  --bg-2:#0F1725;
  --bg-elev:#121B2B;
  --brand:#1FE0D0;
  --brand-hi:#4BEBDE;
  --brand-deep:#0FB9C9;
  --accent:#FF5A36;
  --ink-1:#EAF2FA;
  --ink-2:#9AA9BB;
  --ink-3:#5F7085;
  --line:rgba(255,255,255,.07);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.09);
  --r-card:18px;
  --r-sm:14px;
  --r-btn:12px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset,0 18px 40px rgba(0,0,0,.45);
  --shadow-card-hi:0 22px 50px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
::selection{background:rgba(31,224,208,.28)}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  padding-bottom:16px;margin-bottom:28px;border-bottom:1px solid var(--line);
}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.01em;line-height:1.3}
.section-head .sub{font-size:14px;color:var(--ink-3);margin-top:6px;line-height:1.6}
.section-head-left{max-width:760px}

.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink-2);
  transition:color .24s var(--ease);white-space:nowrap;
}
.link-more::after{content:"→";transition:transform .24s var(--ease)}
.link-more:hover{color:var(--brand)}
.link-more:hover::after{transform:translateX(4px)}

/* ------- 顶部导航 ------- */
.site-header{
  position:sticky;top:0;z-index:60;height:72px;
  display:flex;align-items:center;
  background:rgba(5,8,15,.55);
  backdrop-filter:blur(10px) saturate(120%);
  border-bottom:1px solid transparent;
  transition:height .26s var(--ease),background .26s var(--ease),border-color .26s var(--ease);
}
.site-header.is-scrolled{
  height:56px;
  background:rgba(10,16,28,.86);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:34px;width:100%}
.brand{display:flex;flex-direction:column;line-height:1.12;gap:3px;flex-shrink:0}
.brand strong{font-size:18px;font-weight:800;letter-spacing:-.01em}
.brand span{font-size:11px;color:var(--ink-3);letter-spacing:.18em}
.nav-links{display:flex;align-items:center;gap:30px;margin-left:6px}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-2);padding:8px 0;
  transition:color .22s var(--ease);
}
.nav-links a:hover{color:var(--ink-1)}
.nav-links a.active{color:var(--ink-1);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--brand);
}
.nav-links a.active::before{
  content:"";position:absolute;left:-11px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--brand);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.icon-btn{
  width:36px;height:36px;display:grid;place-items:center;border-radius:10px;
  border:1px solid var(--glass-line);background:var(--glass);cursor:pointer;
  transition:border-color .22s var(--ease),color .22s var(--ease);
}
.icon-btn svg{width:18px;height:18px;stroke:var(--ink-2);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.icon-btn:hover{border-color:rgba(31,224,208,.5)}
.icon-btn:hover svg{stroke:var(--brand)}
.v-divider{width:1px;height:22px;background:var(--line)}
.burger{display:none;width:40px;height:40px;border:1px solid var(--glass-line);background:var(--glass);border-radius:10px;cursor:pointer;padding:0;place-items:center}
.burger i{display:block;width:18px;height:1.5px;background:var(--ink-1);margin:3px auto;transition:transform .24s var(--ease),opacity .24s var(--ease)}

/* ------- 按钮体系 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-primary{background:var(--brand);color:#03110F;box-shadow:0 10px 34px rgba(31,224,208,.2)}
.btn-primary:hover{background:var(--brand-hi);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(31,224,208,.35),0 14px 40px rgba(31,224,208,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(31,224,208,.2)}
.btn-ghost{background:var(--glass);border-color:var(--glass-line);color:var(--ink-1)}
.btn-ghost:hover{border-color:rgba(31,224,208,.5);color:var(--brand);background:rgba(31,224,208,.08)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed}

/* ------- 标签 / 徽标 ------- */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  background:rgba(31,224,208,.1);color:var(--brand);border:1px solid rgba(31,224,208,.24);
}
.tag-muted{background:var(--glass);color:var(--ink-2);border-color:var(--glass-line)}
.tag-hot{background:rgba(255,90,54,.12);color:var(--accent);border-color:rgba(255,90,54,.3)}
.live-dot{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(255,90,54,.16);
  animation:breathe 2s ease-in-out infinite;
}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.86)}}
.badge-live{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;
  background:var(--glass);border:1px solid var(--glass-line);
  font-size:12px;letter-spacing:.08em;color:var(--ink-2);
  backdrop-filter:blur(14px) saturate(120%);
}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ------- 面包屑 ------- */
.crumb{display:flex;align-items:center;gap:10px;height:44px;font-size:13px;color:var(--ink-3)}
.crumb a{color:var(--ink-2);transition:color .22s var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(255,255,255,.2)}
.crumb .current{color:var(--ink-3)}

/* ------- 分类头图 ------- */
.cat-hero{
  position:relative;height:360px;border-radius:24px;overflow:hidden;
  border:1px solid var(--line);margin-top:8px;
}
.cat-hero .hero-bg{
  position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  transform:scale(1.02);
}
.cat-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(4,7,14,.94) 0%,rgba(4,7,14,.7) 46%,rgba(4,7,14,.18) 100%),
    linear-gradient(180deg,rgba(5,8,15,0) 42%,rgba(5,8,15,.96) 100%);
}
.cat-hero-inner{position:relative;height:100%;display:flex;flex-direction:column;justify-content:flex-end;gap:16px;padding:32px}
.hero-panel{
  max-width:700px;padding:24px;border-radius:18px;
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(14px) saturate(120%);
}
.hero-panel h1{font-size:40px;font-weight:800;letter-spacing:-.01em;line-height:1.2;margin-bottom:12px}
.hero-panel p{font-size:15px;color:var(--ink-2);max-width:600px;line-height:1.8}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;padding-top:4px}
.hero-stat{display:flex;flex-direction:column;gap:2px}
.hero-stat .v{font-size:20px;color:var(--brand);font-variant-numeric:tabular-nums;font-weight:800;letter-spacing:-.01em}
.hero-stat .k{font-size:12px;color:var(--ink-3);letter-spacing:.08em}

/* ------- 精选杂志栅格 ------- */
.feature-grid{display:grid;grid-template-columns:7fr 5fr;gap:20px}
.feature-main{
  position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card);min-height:420px;display:flex;align-items:flex-end;
  transition:box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease),filter .4s var(--ease)}
.feature-main::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 34%,rgba(5,8,15,.94) 100%);
}
.feature-main:hover{border-color:rgba(31,224,208,.45);box-shadow:var(--shadow-card-hi)}
.feature-main:hover img{transform:scale(1.04);filter:brightness(1.08)}
.feature-main .fm-body{position:relative;z-index:2;padding:28px;width:100%}
.feature-main h3{font-size:24px;font-weight:700;line-height:1.35;margin:12px 0 10px}
.feature-main p{font-size:14px;color:var(--ink-2);max-width:520px;margin-bottom:18px}
.feature-side{display:grid;gap:20px;grid-template-rows:1fr 1fr}
.mini-card{
  display:grid;grid-template-columns:132px 1fr;gap:16px;align-items:center;
  padding:14px;border-radius:var(--r-card);border:1px solid var(--line);background:var(--bg-2);
  box-shadow:var(--shadow-card);transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hi);border-color:rgba(31,224,208,.45)}
.mini-card .thumb{border-radius:12px;overflow:hidden;aspect-ratio:4/3}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;transition:filter .3s var(--ease)}
.mini-card:hover .thumb img{filter:brightness(1.08)}
.mini-card h3{font-size:17px;font-weight:600;line-height:1.5;margin:10px 0 8px}
.mini-card .meta{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}

/* ------- 卡片通用 ------- */
.card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hi);border-color:rgba(31,224,208,.45)}

/* ------- 卖点四格 ------- */
.sell-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sell-item{padding:26px 22px}
.sell-item .idx{
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);
  font-variant-numeric:tabular-nums;margin-bottom:14px;display:block;
}
.sell-item h3{font-size:18px;font-weight:600;margin-bottom:10px;line-height:1.5}
.sell-item p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ------- 编号赛程列表 ------- */
.rank-list{border-top:1px solid var(--line)}
.rank-item{
  position:relative;display:grid;grid-template-columns:64px 128px 1fr auto 28px;
  align-items:center;gap:18px;padding:18px 12px;border-bottom:1px solid var(--line);
  transition:background .24s var(--ease);
}
.rank-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform .24s var(--ease);
}
.rank-item:hover{background:rgba(255,255,255,.03)}
.rank-item:hover::before{transform:scaleY(1)}
.rank-item:hover .rank-title{color:var(--brand)}
.rank-no{font-size:20px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;opacity:.9}
.rank-time{font-size:14px;color:var(--ink-2);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.rank-title{font-size:16px;font-weight:600;line-height:1.5;transition:color .24s var(--ease)}
.rank-title small{display:block;font-size:13px;font-weight:400;color:var(--ink-3);margin-top:4px;line-height:1.6}
.rank-arrow{color:var(--ink-3);font-size:16px;transition:transform .24s var(--ease),color .24s var(--ease)}
.rank-item:hover .rank-arrow{color:var(--brand);transform:translateX(4px)}

/* ------- 场景对比卡 ------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{padding:26px 24px;display:flex;flex-direction:column;gap:12px}
.scene-card h3{font-size:19px;font-weight:600}
.scene-card p{font-size:14px;color:var(--ink-2);line-height:1.8;flex:1}
.meter{margin-top:6px}
.meter .meter-row{display:flex;justify-content:space-between;font-size:12px;color:var(--ink-3);letter-spacing:.06em;margin-bottom:8px}
.meter .track{height:4px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.meter .fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-deep),var(--brand))}
.meter .fill.alt{background:linear-gradient(90deg,#8a3b22,var(--accent))}

/* ------- 流程 ------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{position:relative;padding:24px 20px;border-radius:var(--r-card);border:1px solid var(--line);background:var(--bg-1)}
.step .dot{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:#03110F;background:var(--brand);
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ------- 标签云 ------- */
.tagcloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.tagcloud a{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--ink-2);background:var(--glass);border:1px solid var(--glass-line);
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.tagcloud a:hover{color:var(--brand);border-color:rgba(31,224,208,.45);background:rgba(31,224,208,.08)}

/* ------- 对照表 ------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-1)}
table.compare{width:100%;border-collapse:collapse;min-width:720px}
table.compare th,table.compare td{padding:16px 20px;text-align:left;font-size:14px;border-bottom:1px solid var(--line)}
table.compare th{font-size:13px;letter-spacing:.08em;color:var(--ink-3);font-weight:600;background:rgba(255,255,255,.02)}
table.compare td{color:var(--ink-2);line-height:1.7}
table.compare td:first-child{color:var(--ink-1);font-weight:600}
table.compare tr:last-child td{border-bottom:none}
table.compare tbody tr:hover{background:rgba(255,255,255,.03)}
.t-time{color:var(--brand);font-variant-numeric:tabular-nums;font-weight:700}

/* ------- 反馈摘录 ------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{padding:24px;border-radius:var(--r-card);border:1px solid var(--line);background:var(--bg-1)}
.quote p{font-size:15px;line-height:1.85;color:var(--ink-1)}
.quote .who{margin-top:16px;font-size:13px;color:var(--ink-3);letter-spacing:.02em}

/* ------- FAQ ------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0 20px 12px;font-size:16px;font-weight:600;line-height:1.6;
  transition:color .22s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--ink-3);line-height:1;
  transition:color .22s var(--ease);flex-shrink:0;
}
.faq-item[open] summary::after{content:"−";color:var(--brand)}
.faq-item summary:hover{color:var(--brand)}
.faq-item .ans{padding:0 12px 22px;font-size:15px;color:var(--ink-2);line-height:1.8}
.faq-item[open]{border-left:2px solid var(--brand);margin-left:-2px}

/* ------- 分页 ------- */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:36px}
.pager a{
  min-width:40px;height:40px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--line);background:var(--glass);
  font-size:14px;color:var(--ink-2);font-variant-numeric:tabular-nums;
  transition:color .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.pager a:hover{color:var(--brand);border-color:rgba(31,224,208,.45);background:rgba(31,224,208,.08)}
.pager a[aria-current="page"]{color:var(--brand);border-color:rgba(31,224,208,.5);background:rgba(31,224,208,.1);font-weight:700}

/* ------- CTA ------- */
.cta-section{padding:8px 0 88px}
.cta-panel{
  position:relative;width:100%;max-width:720px;margin:0 auto;padding:40px 32px;border-radius:24px;
  background:var(--bg-1);border:1px solid var(--glass-line);overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 0%,rgba(31,224,208,.08),transparent 68%);
  pointer-events:none;
}
.cta-panel > *{position:relative;z-index:1}
.cta-panel h2{font-size:26px;font-weight:700;margin-bottom:10px;text-align:center}
.cta-panel p.lead{font-size:15px;color:var(--ink-2);text-align:center;margin-bottom:26px}
.cta-form{display:flex;gap:12px}
.cta-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--r-btn);
  background:var(--glass);border:1px solid var(--glass-line);color:var(--ink-1);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cta-form input::placeholder{color:var(--ink-3)}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,208,.08)}
.privacy{margin-top:14px;font-size:12px;color:var(--ink-3);text-align:center;line-height:1.7}

/* ------- 页脚 ------- */
.site-footer{background:#04070D;border-top:1px solid var(--line);padding:60px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand strong{display:block;font-size:17px;font-weight:800;margin-bottom:6px}
.footer-brand span{display:block;font-size:12px;color:var(--ink-3);letter-spacing:.16em;margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.8;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink-1);margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--ink-2);padding:5px 0;transition:color .22s var(--ease)}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}

/* ------- 移动抽屉 ------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.7);opacity:0;visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:88vw;z-index:90;
  background:var(--bg-elev);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:24px;
}
.drawer.open{transform:translateX(0)}
.drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer .drawer-head strong{font-size:16px;font-weight:800}
.drawer .drawer-head button{background:none;border:1px solid var(--glass-line);border-radius:10px;width:34px;height:34px;color:var(--ink-2);cursor:pointer}
.drawer nav a{
  display:block;font-size:20px;color:var(--ink-1);padding:16px 0;border-bottom:1px solid var(--line);
  transition:color .22s var(--ease);
}
.drawer nav a:hover,.drawer nav a.active{color:var(--brand)}
.drawer .drawer-foot{margin-top:auto;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:16px}

/* ------- 响应式 ------- */
@media (max-width:1199px){
  .feature-grid{grid-template-columns:1fr 1fr}
  .sell-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid,.quote-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .container{padding:0 20px}
  .nav-links{display:none}
  .header-actions .btn-cta{display:none}
  .burger{display:grid}
  .section{padding:56px 0}
  .cat-hero{height:320px}
  .hero-panel h1{font-size:32px}
  .feature-grid{grid-template-columns:1fr}
  .feature-main{min-height:340px}
  .faq-grid{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:22px}
  .cat-hero{height:auto;min-height:420px;border-radius:20px}
  .cat-hero-inner{padding:20px;justify-content:flex-end}
  .hero-panel{padding:20px}
  .hero-panel h1{font-size:30px}
  .hero-stats{gap:20px}
  .rank-item{grid-template-columns:40px 1fr 24px;gap:12px;padding:16px 8px}
  .rank-time{grid-column:1 / -1;order:-1;font-size:13px}
  .rank-item .tag{display:none}
  .sell-grid,.scene-grid,.quote-grid,.steps{grid-template-columns:1fr}
  .mini-card{grid-template-columns:104px 1fr}
  .cta-panel{padding:28px 20px}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-col{border-top:1px solid var(--line);padding-top:18px}
  .footer-brand{border-top:none;padding-top:0}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand strong{font-size:16px}
  .rank-title{font-size:15px}
  .feature-main h3{font-size:20px}
}
@media (hover:none){
  .card:hover,.mini-card:hover,.feature-main:hover{transform:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A101C;
  --bg-2:#0F1725;
  --bg-elev:#121B2B;
  --brand:#1FE0D0;
  --brand-hover:#4BEBDE;
  --brand-deep:#0FB9C9;
  --accent:#FF5A36;
  --ink-1:#EAF2FA;
  --ink-2:#9AA9BB;
  --ink-3:#5F7085;
  --line:rgba(255,255,255,.07);
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.09);
  --r-hero:24px;
  --r-card:18px;
  --r-sm:14px;
  --r-btn:12px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset,0 18px 40px rgba(0,0,0,.45);
  --shadow-hover:0 22px 50px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(31,224,208,.35),0 10px 34px rgba(31,224,208,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block;border-style:none}
a{color:var(--ink-2);text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink-1)}
p{margin:0 0 1.4em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(31,224,208,.28);color:#fff}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  height:72px;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid transparent;
  transition:height .26s var(--ease),background .26s var(--ease),border-color .26s var(--ease);
}
.site-header.is-scrolled{height:56px;background:rgba(5,8,15,.9);border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(150deg,rgba(31,224,208,.9),rgba(15,185,201,.35));
  display:flex;align-items:center;justify-content:center;
  color:#04121A;font-weight:800;font-size:15px;letter-spacing:-.02em;
  box-shadow:0 0 0 1px rgba(31,224,208,.3),0 8px 22px rgba(31,224,208,.2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;font-weight:800;color:var(--ink-1);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--ink-3);letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--ink-2);
  padding:6px 0;
  transition:color .22s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-8px;height:2px;width:0;
  background:var(--brand);transition:width .3s var(--ease);
}
.nav-links a:hover{color:var(--ink-1)}
.nav-links a.active{color:var(--ink-1);font-weight:600}
.nav-links a.active::after{width:calc(100% - 14px);left:14px}
.nav-links a.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 10px rgba(31,224,208,.8);
}
.header-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);transition:color .22s var(--ease),background .22s var(--ease);
}
.icon-btn:hover{color:var(--brand);background:rgba(31,224,208,.08)}
.icon-btn svg{width:19px;height:19px;stroke-width:1.5}
.header-divider{width:1px;height:22px;background:var(--line)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn-primary{
  background:var(--brand);color:#04191C;
  box-shadow:0 0 0 1px rgba(31,224,208,.35),0 10px 30px rgba(31,224,208,.18);
}
.btn-primary:hover{background:var(--brand-hover);color:#04191C;transform:translateY(-1px);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(0);background:var(--brand-deep)}
.btn-ghost{
  background:transparent;color:var(--ink-1);border:1px solid var(--glass-line);
}
.btn-ghost:hover{color:var(--brand);border-color:rgba(31,224,208,.5);background:rgba(31,224,208,.08)}
.btn-sm{height:36px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:1.5px;background:var(--ink-1);transition:transform .26s var(--ease),opacity .2s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.7);opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;
  background:var(--bg-elev);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .32s var(--ease);
  z-index:90;display:flex;flex-direction:column;padding:24px;
}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.mobile-drawer .drawer-head strong{font-size:16px}
.mobile-drawer nav a{
  display:block;font-size:20px;color:var(--ink-1);padding:16px 0;
  border-bottom:1px solid var(--line);transition:color .22s var(--ease),padding-left .22s var(--ease);
}
.mobile-drawer nav a:hover,.mobile-drawer nav a.active{color:var(--brand);padding-left:6px}
.mobile-drawer .drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.mobile-drawer .drawer-foot a{display:block;color:var(--ink-2);padding:8px 0}
.drawer-close{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--ink-2);border:1px solid var(--line)}
.drawer-close:hover{color:var(--brand);border-color:rgba(31,224,208,.4)}

/* ============ section base ============ */
main{display:block}
.section{padding:88px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head .head-left{display:flex;flex-direction:column;gap:10px}
.section-head h2{font-size:28px;font-weight:700;line-height:1.3}
.section-head .sub{font-size:14px;color:var(--ink-2);max-width:620px}
.section-head .head-line{flex:1;height:1px;background:var(--line);margin-bottom:10px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink-2);white-space:nowrap;border-bottom:1px solid transparent;padding-bottom:2px}
.link-more svg{width:15px;height:15px;transition:transform .22s var(--ease)}
.link-more:hover{color:var(--brand);border-bottom-color:var(--brand)}
.link-more:hover svg{transform:translateX(4px)}

/* ============ 分类开篇 ============ */
.cat-intro{
  position:relative;
  padding:72px 0 64px;
  background:
    radial-gradient(900px 420px at 12% -10%,rgba(31,224,208,.10),transparent 62%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1));
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-intro::after{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  opacity:.16;mix-blend-mode:luminosity;pointer-events:none;
}
.cat-intro .container{position:relative;z-index:2}
.crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);margin-bottom:28px;flex-wrap:wrap}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:rgba(255,255,255,.16)}
.crumbs .current{color:var(--ink-2)}
.intro-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:end}
.intro-main{border-left:2px solid var(--brand);padding-left:28px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;border-radius:999px;
  background:rgba(31,224,208,.10);border:1px solid rgba(31,224,208,.28);
  color:var(--brand);font-size:12px;font-weight:600;letter-spacing:.08em;
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:breathe 2s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.intro-main h1{
  margin:20px 0 18px;
  font-size:44px;font-weight:800;line-height:1.18;letter-spacing:-.01em;
}
.intro-main h1 .glow{color:var(--brand)}
.intro-main .lead{font-size:17px;color:var(--ink-2);max-width:640px;margin-bottom:28px;line-height:1.8}
.intro-actions{display:flex;flex-wrap:wrap;gap:14px}
.intro-aside{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  padding:24px;
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow-card);
}
.intro-aside h3{font-size:14px;color:var(--ink-2);font-weight:600;letter-spacing:.06em;margin-bottom:18px}
.stat-list{display:flex;flex-direction:column;gap:0}
.stat-item{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.stat-item:last-child{border-bottom:none;padding-bottom:0}
.stat-item span{font-size:13px;color:var(--ink-3)}
.stat-item strong{font-size:19px;font-weight:800;color:var(--ink-1)}
.stat-item strong em{font-style:normal;font-size:12px;color:var(--ink-3);margin-left:4px;font-weight:500}
.stat-item strong.on{color:var(--brand)}

/* ============ 数据视角对比 ============ */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.compare-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(31,224,208,.45)}
.compare-card .idx{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.14em}
.compare-card h3{font-size:20px;margin:14px 0 10px}
.compare-card p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:20px}
.meter{display:flex;flex-direction:column;gap:14px}
.meter-row{display:flex;flex-direction:column;gap:7px}
.meter-row .meter-top{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-3)}
.meter-row .meter-top b{color:var(--ink-1);font-weight:700}
.meter-bar{height:5px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.meter-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-deep),var(--brand));box-shadow:0 0 12px rgba(31,224,208,.5)}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:8px}
.timeline::before{content:"";position:absolute;left:11px;top:10px;bottom:10px;width:1px;background:var(--line)}
.tl-item{position:relative;padding:0 0 34px 46px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:4px;top:6px;
  width:15px;height:15px;border-radius:50%;
  background:var(--bg-0);border:1.5px solid var(--brand);
  box-shadow:0 0 0 4px rgba(31,224,208,.10);
}
.tl-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:10px;
}
.tl-tag .date{color:var(--brand);font-weight:700}
.tl-tag .chip{
  display:inline-block;padding:1px 9px;border-radius:999px;
  border:1px solid var(--line);color:var(--ink-2);font-size:12px;line-height:1.6;
}
.tl-item h3{font-size:20px;margin-bottom:8px;transition:color .22s var(--ease)}
.tl-item:hover h3{color:var(--brand)}
.tl-item p{font-size:15px;color:var(--ink-2);max-width:760px;margin-bottom:12px}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px;color:var(--ink-3)}
.tl-meta b{color:var(--ink-1);font-weight:700}
.tl-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink-2);margin-top:6px}
.tl-link svg{width:15px;height:15px;transition:transform .22s var(--ease)}
.tl-link:hover{color:var(--brand)}
.tl-link:hover svg{transform:translateX(4px)}

/* ============ 三列卡区 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.media-card{
  display:flex;flex-direction:column;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.media-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(31,224,208,.45)}
.media-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:rgba(31,224,208,.08)}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease),filter .3s var(--ease)}
.media-card:hover .media-thumb img{transform:scale(1.04);filter:brightness(1.08)}
.media-thumb .thumb-tag{
  position:absolute;top:12px;left:12px;
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:999px;
  background:rgba(5,8,15,.62);border:1px solid var(--glass-line);
  color:var(--ink-1);font-size:12px;backdrop-filter:blur(8px);
}
.media-thumb .thumb-dur{
  position:absolute;right:12px;bottom:12px;
  padding:2px 9px;border-radius:8px;
  background:rgba(5,8,15,.7);border:1px solid var(--glass-line);
  font-size:12px;color:var(--ink-1);
}
.media-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.media-body h3{font-size:17px;line-height:1.5;transition:color .22s var(--ease)}
.media-card:hover .media-body h3{color:var(--brand)}
.media-body p{font-size:14px;color:var(--ink-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.media-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);
}
.media-foot .sep{color:rgba(255,255,255,.18)}
.media-foot .score{color:var(--ink-1);font-weight:700}

/* ============ 指标对照表 ============ */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-2);overflow:hidden;box-shadow:var(--shadow-card);
}
.table-scroll{overflow-x:auto}
table.data-table{width:100%;border-collapse:collapse;min-width:720px}
table.data-table th,table.data-table td{
  padding:15px 20px;text-align:left;font-size:14px;
  border-bottom:1px solid var(--line);white-space:nowrap;
}
table.data-table th{color:var(--ink-2);font-weight:600;background:rgba(255,255,255,.02);font-size:13px;letter-spacing:.04em}
table.data-table td{color:var(--ink-2)}
table.data-table td:first-child{color:var(--ink-1);font-weight:600}
table.data-table tbody tr:hover{background:rgba(255,255,255,.03)}
table.data-table tbody tr:last-child td{border-bottom:none}
table.data-table .tab-num{font-variant-numeric:tabular-nums;color:var(--brand);font-weight:700}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item.is-open{border-bottom-color:rgba(31,224,208,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 22px 0;text-align:left;font-size:16px;font-weight:600;color:var(--ink-1);
  transition:color .22s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;width:16px;height:16px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .26s var(--ease),opacity .26s var(--ease);
}
.faq-icon::before{left:0;top:7.25px;width:16px;height:1.5px}
.faq-icon::after{top:0;left:7.25px;width:1.5px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a p{font-size:15px;color:var(--ink-2);padding:0 0 24px 14px;border-left:2px solid var(--brand);margin-left:2px;line-height:1.8}

/* ============ CTA ============ */
.cta-panel{
  position:relative;
  width:100%;max-width:720px;margin:0 auto;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-hero);
  padding:44px 40px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 220px at 50% 0%,rgba(31,224,208,.14),transparent 70%);
  pointer-events:none;
}
.cta-panel::after{
  content:"";position:absolute;inset:0;
  border-radius:var(--r-hero);border:1px solid var(--glass-line);
  pointer-events:none;margin:8px;
}
.cta-inner{position:relative;z-index:2;text-align:center}
.cta-inner h2{font-size:28px;margin-bottom:14px}
.cta-inner .lead{font-size:15px;color:var(--ink-2);max-width:520px;margin:0 auto 28px}
.subscribe-form{display:flex;gap:12px;align-items:center}
.subscribe-form input{
  flex:1;height:48px;padding:0 16px;
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--r-btn);color:var(--ink-1);font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.subscribe-form input::placeholder{color:var(--ink-3)}
.subscribe-form input:focus{
  outline:none;border-color:var(--brand);background:rgba(31,224,208,.06);
  box-shadow:0 0 0 4px rgba(31,224,208,.10);
}
.form-note{margin-top:16px;font-size:12px;color:var(--ink-3)}

/* ============ footer ============ */
.site-footer{background:#04070D;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand strong{display:block;font-size:18px;font-weight:800;color:var(--ink-1);letter-spacing:.01em}
.footer-brand span{
  display:inline-block;margin:8px 0 14px;
  font-size:11px;letter-spacing:.16em;color:var(--brand);
}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.8;max-width:340px;margin:0}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink-1);margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--ink-2);padding:6px 0;border-bottom:1px solid transparent;transition:color .22s var(--ease),padding-left .22s var(--ease)}
.footer-col a:hover{color:var(--brand);padding-left:4px;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}

/* ============ responsive ============ */
@media (max-width:1439px){
  .container{max-width:1200px}
}
@media (max-width:1199px){
  .intro-grid{grid-template-columns:1fr;gap:36px;align-items:start}
  .intro-aside{max-width:520px}
  .compare-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .nav-links{display:none}
  .header-actions .header-divider,.header-actions .btn{display:none}
  .nav-toggle{display:flex}
  .section{padding:64px 0}
  .intro-main h1{font-size:36px}
  .section-head h2{font-size:24px}
  .section-head .head-line{display:none}
  .faq-grid{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand p{max-width:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .cat-intro{padding:48px 0 44px}
  .intro-main{padding-left:18px}
  .intro-main h1{font-size:30px}
  .intro-main .lead{font-size:15.5px}
  .intro-actions .btn{flex:1 1 auto}
  .compare-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr;gap:14px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .cta-panel{padding:32px 20px;border-radius:20px}
  .cta-inner h2{font-size:22px}
  .subscribe-form{flex-direction:column;align-items:stretch}
  .subscribe-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:0}
  .footer-col{border-top:1px solid var(--line);padding-top:18px;margin-top:18px}
  .footer-brand{padding-bottom:6px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;margin-top:32px}
  .tl-item{padding-left:34px}
  .timeline::before{left:7px}
  .tl-item::before{left:0;width:15px;height:15px}
}
@media (max-width:520px){
  .intro-main h1{font-size:26px}
  .brand-text strong{font-size:15px}
  .stat-item strong{font-size:17px}
  table.data-table th,table.data-table td{padding:13px 14px}
}
@media (hover:none){
  .media-card:hover,.compare-card:hover{transform:none}
}