/* roulang page: index */
:root{
  --vx-a:#1d4ed8;
  --vx-b:#ff5c39;
  --vx-c:#f4f7fc;
  --vx-d:#ffffff;
  --vx-e:#13213d;
  --vx-f:#5a6885;
  --vx-g:#e2e8f4;
  --vx-r:18px;
  --vx-s:0 16px 36px rgba(19,33,61,.08);
  --vx-p:24px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--vx-c);
  color:var(--vx-e);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
img{display:block;max-width:100%}
button,input{font:inherit}
:focus-visible{outline:3px solid rgba(29,78,216,.42);outline-offset:3px}
section[id]{scroll-margin-top:92px}

.gbffvro-head{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--vx-g);
  backdrop-filter:blur(14px);
}
.gbffvro-head-in{
  max-width:1180px;margin:0 auto;padding:0 var(--vx-p);
  min-height:74px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
}
.gbffvro-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;letter-spacing:.4px;white-space:nowrap;
}
.gbffvro-mark{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--vx-a),#3b82f6);
  color:#fff;display:grid;place-items:center;
  font-size:20px;font-weight:800;
  box-shadow:0 8px 18px rgba(29,78,216,.24);
}
.gbffvro-nav{display:flex;align-items:center;min-width:0}
.gbffvro-nav ul{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.gbffvro-nav ul::-webkit-scrollbar{display:none}
.gbffvro-navlink{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 14px;border-radius:999px;
  color:var(--vx-f);font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.gbffvro-navlink:hover{background:#eef3ff;color:var(--vx-a)}
.gbffvro-active,.gbffvro-active:hover{background:var(--vx-a);color:#fff}

.gbffvro-hero{
  position:relative;overflow:hidden;background:#0b1830;color:#fff;
}
.gbffvro-hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.44;
}
.gbffvro-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,18,40,.94) 0%,rgba(7,18,40,.68) 55%,rgba(7,18,40,.38) 100%);
}
.gbffvro-hero-in{
  position:relative;z-index:2;
  max-width:1180px;margin:0 auto;padding:92px var(--vx-p) 82px;
  min-height:560px;display:flex;flex-direction:column;justify-content:center;gap:20px;
}
.gbffvro-kicker{
  display:inline-flex;width:max-content;
  padding:7px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.1);
  font-size:13px;letter-spacing:.08em;color:#dbeafe;
}
.gbffvro-title{
  max-width:940px;font-size:clamp(30px,5vw,54px);
  line-height:1.22;font-weight:800;letter-spacing:.01em;
}
.gbffvro-dash{color:#94a9d8;font-weight:400;margin:0 6px}
.gbffvro-hl{color:#ffb59f}
.gbffvro-lead{
  max-width:720px;color:#d5e0f7;font-size:16px;line-height:1.95;
}
.gbffvro-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:4px}
.gbffvro-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:50px;padding:0 26px;border-radius:999px;
  background:var(--vx-b);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 14px 28px rgba(255,92,57,.28);
  transition:transform .2s ease,box-shadow .2s ease;
}
.gbffvro-btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,92,57,.34)}
.gbffvro-btn-ghost{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.36);
  box-shadow:none;
}
.gbffvro-btn-ghost:hover{background:rgba(255,255,255,.18);box-shadow:none}
.gbffvro-stats{
  display:flex;flex-wrap:wrap;gap:28px;
  max-width:720px;margin-top:18px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.18);
}
.gbffvro-stat strong{display:block;font-size:18px;color:#fff}
.gbffvro-stat span{font-size:13px;color:#aabce0}

.gbffvro-sec{padding:74px 0}
.gbffvro-soft{background:#eef3fb}
.gbffvro-wrap{max-width:1180px;margin:0 auto;padding:0 var(--vx-p)}
.gbffvro-shead{
  max-width:780px;margin-bottom:34px;
  display:flex;flex-direction:column;gap:10px;
}
.gbffvro-slabel{
  display:inline-flex;width:max-content;
  padding:5px 12px;border-radius:999px;
  background:#e8efff;color:var(--vx-a);
  font-size:12px;font-weight:700;letter-spacing:.05em;
}
.gbffvro-shead h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
.gbffvro-sdesc{color:var(--vx-f);font-size:15px;line-height:1.9}

.gbffvro-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;
}
.gbffvro-card{
  background:var(--vx-d);border:1px solid var(--vx-g);border-radius:var(--vx-r);
  overflow:hidden;box-shadow:var(--vx-s);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.gbffvro-card:hover{transform:translateY(-4px);box-shadow:0 22px 44px rgba(19,33,61,.13)}
.gbffvro-cover{
  position:relative;aspect-ratio:3/4;overflow:hidden;background:#dce5f5;
}
.gbffvro-cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s ease;
}
.gbffvro-card:hover .gbffvro-cover img{transform:scale(1.04)}
.gbffvro-badge{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:999px;
  background:rgba(255,92,57,.96);color:#fff;
  font-size:12px;font-weight:700;line-height:1.4;
}
.gbffvro-score{
  position:absolute;right:12px;bottom:12px;
  padding:4px 9px;border-radius:8px;
  background:rgba(9,21,45,.84);color:#fff;
  font-size:13px;font-weight:700;
}
.gbffvro-cbody{padding:15px 16px 18px;display:flex;flex-direction:column;gap:6px}
.gbffvro-cname{font-size:16.5px;font-weight:700;line-height:1.4}
.gbffvro-cmeta{
  display:flex;flex-wrap:wrap;gap:8px;
  color:var(--vx-f);font-size:12.5px;
}
.gbffvro-cdesc{color:var(--vx-f);font-size:13.5px;line-height:1.7}

.gbffvro-cats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.gbffvro-cat{
  background:var(--vx-d);border:1px solid var(--vx-g);border-radius:var(--vx-r);
  padding:22px;box-shadow:var(--vx-s);
  transition:transform .2s ease,border-color .2s ease;
}
.gbffvro-cat:hover{transform:translateY(-3px);border-color:#c7d7f6}
.gbffvro-catname{display:block;margin-bottom:6px;font-size:17px;font-weight:700}
.gbffvro-catdesc{color:var(--vx-f);font-size:13.5px;line-height:1.75}

.gbffvro-picks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.gbffvro-pick{
  display:flex;gap:16px;padding:14px;
  background:var(--vx-d);border:1px solid var(--vx-g);
  border-radius:var(--vx-r);box-shadow:var(--vx-s);
  transition:transform .2s ease,box-shadow .2s ease;
}
.gbffvro-pick:hover{transform:translateY(-3px);box-shadow:0 22px 44px rgba(19,33,61,.12)}
.gbffvro-pickimg{
  position:relative;flex:0 0 132px;width:132px;aspect-ratio:3/4;
  border-radius:12px;overflow:hidden;background:#dce5f5;
}
.gbffvro-pickimg img{width:100%;height:100%;object-fit:cover}
.gbffvro-pickbody{
  flex:1;min-width:0;display:flex;flex-direction:column;gap:6px;
  padding:4px 4px 4px 0;
}
.gbffvro-pickbody h3{font-size:18px;line-height:1.35}

.gbffvro-ranklist{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 28px;
}
.gbffvro-rankrow{
  display:grid;grid-template-columns:34px 1fr auto;align-items:center;gap:12px;
  padding:13px 14px;background:var(--vx-d);
  border:1px solid var(--vx-g);border-radius:14px;
  transition:border-color .2s ease,transform .2s ease;
}
.gbffvro-rankrow:hover{border-color:#c7d7f6;transform:translateX(3px)}
.gbffvro-num{
  width:30px;height:30px;border-radius:9px;
  display:grid;place-items:center;
  background:#e8efff;color:var(--vx-a);
  font-size:13px;font-weight:800;
}
.gbffvro-rname{font-size:15px;font-weight:600;line-height:1.4}
.gbffvro-rmeta{
  display:flex;align-items:center;gap:8px;
  color:var(--vx-f);font-size:12px;white-space:nowrap;
}
.gbffvro-pill{
  display:inline-flex;align-items:center;
  padding:3px 8px;border-radius:999px;
  background:#f1f5fd;border:1px solid #dfe8f7;
  color:#4a5a7a;font-size:11.5px;font-weight:600;line-height:1.4;
}

.gbffvro-guards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.gbffvro-guard{
  background:var(--vx-d);border:1px solid var(--vx-g);
  border-radius:var(--vx-r);padding:22px;box-shadow:var(--vx-s);
}
.gbffvro-gicon{
  width:44px;height:44px;margin-bottom:12px;border-radius:12px;
  display:grid;place-items:center;
  background:#e8efff;color:var(--vx-a);
  font-size:16px;font-weight:800;
}
.gbffvro-guard h3{font-size:16.5px;margin-bottom:5px}
.gbffvro-guard p{color:var(--vx-f);font-size:13.5px;line-height:1.75}

.gbffvro-cal{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.gbffvro-calitem{
  background:var(--vx-d);border:1px solid var(--vx-g);
  border-left:4px solid var(--vx-a);
  border-radius:var(--vx-r);padding:22px;box-shadow:var(--vx-s);
}
.gbffvro-calitem h3{font-size:17px;margin-bottom:6px}
.gbffvro-calitem p{color:var(--vx-f);font-size:13.5px;line-height:1.75}

.gbffvro-topics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.gbffvro-topic{
  position:relative;isolation:isolate;overflow:hidden;
  min-height:300px;padding:24px;border-radius:20px;
  display:flex;flex-direction:column;justify-content:flex-end;
  color:#fff;box-shadow:var(--vx-s);
}
.gbffvro-topic img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  z-index:-2;transition:transform .5s ease;
}
.gbffvro-topic:hover img{transform:scale(1.05)}
.gbffvro-topic::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(8,18,36,.08) 10%,rgba(8,18,36,.9) 100%);
}
.gbffvro-topic h3{font-size:20px;margin-bottom:6px}
.gbffvro-topic p{font-size:13.5px;line-height:1.7;color:#e3ecff}
.gbffvro-topicmeta{
  width:max-content;margin-top:10px;
  background:rgba(255,255,255,.18);
  border-color:rgba(255,255,255,.3);
  color:#fff;
}

.gbffvro-news{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.gbffvro-newsitem{
  display:flex;gap:14px;align-items:center;
  padding:14px;background:var(--vx-d);
  border:1px solid var(--vx-g);border-radius:16px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.gbffvro-newsitem:hover{transform:translateY(-3px);box-shadow:var(--vx-s)}
.gbffvro-thumb{
  flex:0 0 132px;width:132px;height:92px;
  border-radius:10px;overflow:hidden;background:#dce5f5;
}
.gbffvro-thumb img{width:100%;height:100%;object-fit:cover}
.gbffvro-newsbody{flex:1;min-width:0}
.gbffvro-newsbody h3{font-size:15.5px;line-height:1.5;margin-bottom:4px}
.gbffvro-newsbody p{color:var(--vx-f);font-size:13px;line-height:1.6}
.gbffvro-date{
  display:inline-block;margin-bottom:4px;
  color:var(--vx-b);font-size:12px;font-weight:700;
}

.gbffvro-voices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.gbffvro-voice{
  background:var(--vx-d);border:1px solid var(--vx-g);
  border-radius:var(--vx-r);padding:22px;box-shadow:var(--vx-s);
}
.gbffvro-voice p{font-size:14px;line-height:1.85;color:#33415c;margin-bottom:14px}
.gbffvro-voice span{color:var(--vx-f);font-size:12.5px;font-weight:600}

.gbffvro-faq{max-width:900px;display:grid;gap:12px}
.gbffvro-faqitem{
  background:var(--vx-d);border:1px solid var(--vx-g);
  border-radius:14px;padding:18px 20px;
}
.gbffvro-faqitem summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:16px;font-weight:700;min-height:40px;
}
.gbffvro-faqitem summary::-webkit-details-marker{display:none}
.gbffvro-faqitem summary::after{content:"+";color:var(--vx-a);font-size:20px;font-weight:400}
.gbffvro-faqitem[open] summary::after{content:"−"}
.gbffvro-faqitem p{margin-top:10px;color:var(--vx-f);font-size:14px;line-height:1.85}

.gbffvro-cta{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:48px;border-radius:24px;
  background:linear-gradient(135deg,#132c5c,#1d4ed8);
  color:#fff;box-shadow:0 24px 48px rgba(19,44,92,.22);
}
.gbffvro-ctain{max-width:620px}
.gbffvro-ctain h2{font-size:clamp(23px,2.6vw,30px);line-height:1.35}
.gbffvro-ctain p{margin-top:10px;color:#dbe6ff;font-size:15px;line-height:1.9}
.gbffvro-cta .gbffvro-btn{white-space:nowrap;background:#fff;color:var(--vx-a);box-shadow:none}
.gbffvro-cta .gbffvro-btn:hover{background:#f1f5ff;box-shadow:none}

.gbffvro-foot{background:#0b1830;color:#b9c7e4;padding-top:56px}
.gbffvro-foot-in{
  max-width:1180px;margin:0 auto;padding:0 var(--vx-p);
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;
}
.gbffvro-foot .gbffvro-brand{color:#fff;margin-bottom:14px}
.gbffvro-fcol h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.gbffvro-fcol p,.gbffvro-fcol li,.gbffvro-fcol a{font-size:13.5px;line-height:1.95}
.gbffvro-fcol a{transition:color .2s ease}
.gbffvro-fcol a:hover{color:#fff}
.gbffvro-fbar{
  margin-top:40px;padding:18px 16px;
  border-top:1px solid rgba(255,255,255,.12);
  text-align:center;color:#8194b8;font-size:12.5px;
}

@media (max-width:1024px){
  .gbffvro-head-in{padding:10px 18px;min-height:0;gap:12px}
  .gbffvro-nav{width:100%}
  .gbffvro-nav ul{width:100%}
  .gbffvro-hero-in{min-height:0;padding:64px 18px 58px}
  .gbffvro-sec{padding:58px 0}
  .gbffvro-wrap{padding:0 18px}
  .gbffvro-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .gbffvro-cats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gbffvro-guards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gbffvro-topics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gbffvro-voices{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gbffvro-cta{padding:36px}
  .gbffvro-foot-in{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .gbffvro-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .gbffvro-picks{grid-template-columns:1fr}
  .gbffvro-ranklist{grid-template-columns:1fr}
  .gbffvro-news{grid-template-columns:1fr}
  .gbffvro-cal{grid-template-columns:1fr}
  .gbffvro-cta{flex-direction:column;align-items:flex-start;padding:30px}
  .gbffvro-lead{font-size:15px}
  .gbffvro-rankrow{grid-template-columns:34px 1fr;gap:8px 12px}
  .gbffvro-rmeta{grid-column:2;white-space:normal}
}
@media (max-width:520px){
  .gbffvro-grid{grid-template-columns:1fr}
  .gbffvro-cats,.gbffvro-guards,.gbffvro-topics,.gbffvro-voices,.gbffvro-foot-in{grid-template-columns:1fr}
  .gbffvro-pick{flex-direction:column}
  .gbffvro-pickimg{flex:none;width:100%;aspect-ratio:16/10}
  .gbffvro-newsitem{flex-direction:column;align-items:stretch}
  .gbffvro-thumb{flex:none;width:100%;height:150px}
  .gbffvro-hero-in{padding:48px 16px 46px}
  .gbffvro-title{font-size:30px}
  .gbffvro-stats{flex-direction:column;gap:14px}
  .gbffvro-actions{flex-direction:column;align-items:stretch}
  .gbffvro-btn{width:100%}
  .gbffvro-wrap{padding:0 16px}
  .gbffvro-sec{padding:48px 0}
  .gbffvro-cdesc,.gbffvro-catdesc,.gbffvro-newsbody p,.gbffvro-voice p{font-size:14px}
}