/* roulang page: index */
:root{
  --ink:#eef2f8;
  --ink2:#98a2b6;
  --paper:#0a0d14;
  --surf:#121826;
  --surf2:#182030;
  --edge:rgba(255,255,255,.08);
  --brand:#ff7a45;
  --brand2:#ffc971;
  --rad:16px;
  --lift:0 16px 36px rgba(0,0,0,.42);
  --pad:68px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.vjsfq-inner{max-width:1180px;margin:0 auto;padding:0 20px}
.vjsfq-top{position:sticky;top:0;z-index:30;background:rgba(10,13,20,.86);backdrop-filter:blur(16px);border-bottom:1px solid var(--edge)}
.vjsfq-topbar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:10px 0;min-height:64px}
.vjsfq-logo{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.vjsfq-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,#ff7a45,#ffc971);display:grid;place-items:center;color:#22100a;font-weight:800;font-size:13px}
.vjsfq-name{font-weight:700;font-size:16px;letter-spacing:.02em}
.vjsfq-nav{display:flex;align-items:center;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none;max-width:100%}
.vjsfq-nav::-webkit-scrollbar{display:none}
.vjsfq-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 13px;font-size:14px;color:#b9c2d3;border-radius:10px;white-space:nowrap;transition:color .2s,background .2s}
.vjsfq-nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.vjsfq-nav a.is-on{color:var(--brand2)}
.vjsfq-hero{position:relative;overflow:hidden;padding:46px 0 var(--pad)}
.vjsfq-hero::before{content:"";position:absolute;left:-12%;top:-24%;width:70%;height:420px;background:radial-gradient(circle,rgba(255,122,69,.18),transparent 66%);pointer-events:none}
.vjsfq-hero::after{content:"";position:absolute;right:-10%;top:8%;width:46%;height:340px;background:radial-gradient(circle,rgba(101,211,138,.1),transparent 70%);pointer-events:none}
.vjsfq-status{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--brand2);background:rgba(255,201,113,.1);border:1px solid rgba(255,201,113,.24);padding:6px 14px;border-radius:999px}
.vjsfq-dot{width:6px;height:6px;border-radius:50%;background:#65d38a;box-shadow:0 0 0 4px rgba(101,211,138,.18);flex:none}
.vjsfq-h1{font-size:clamp(30px,5.4vw,52px);line-height:1.16;letter-spacing:-.01em;margin:18px 0 0;position:relative;z-index:1}
.vjsfq-h1 em{font-style:normal;color:var(--brand)}
.vjsfq-lede{margin-top:16px;max-width:730px;color:#c3cbdb;font-size:15.5px;position:relative;z-index:1}
.vjsfq-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.vjsfq-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:12px;background:var(--brand);color:#22100a;font-weight:700;font-size:15px;border:1px solid transparent;transition:transform .22s,box-shadow .22s,border-color .22s}
.vjsfq-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,69,.28)}
.vjsfq-btn--ghost{background:transparent;color:var(--ink);border-color:var(--edge)}
.vjsfq-btn--ghost:hover{border-color:rgba(255,122,69,.5);box-shadow:none}
.vjsfq-matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:34px;position:relative;z-index:1}
.vjsfq-matrix li{display:flex;align-items:center;gap:10px;padding:14px 16px;background:var(--surf);border:1px solid var(--edge);border-radius:14px;font-size:14px;color:#d5dbe8;transition:border-color .2s,background .2s}
.vjsfq-matrix li:hover{border-color:rgba(255,122,69,.45);background:var(--surf2)}
.vjsfq-matrix svg{flex:none;width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.vjsfq-sec{padding:var(--pad) 0;border-top:1px solid var(--edge)}
.vjsfq-sec--soft{background:#0d121b}
.vjsfq-flat{padding:0;border:0}
.vjsfq-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
.vjsfq-head h2{font-size:clamp(20px,2.4vw,28px);letter-spacing:.01em}
.vjsfq-head p{color:var(--ink2);font-size:14.5px;max-width:660px}
.vjsfq-tri{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.vjsfq-tri article{position:relative;overflow:hidden;background:var(--surf);border:1px solid var(--edge);border-radius:var(--rad);padding:26px 22px}
.vjsfq-tri article::after{content:"";position:absolute;right:-30px;bottom:-40px;width:130px;height:130px;background:radial-gradient(circle,rgba(255,122,69,.16),transparent 70%)}
.vjsfq-tri h3{font-size:17px;margin-bottom:10px}
.vjsfq-tri p{color:var(--ink2);font-size:14.5px}
.vjsfq-tag{display:inline-block;margin-top:16px;font-size:12px;color:var(--brand2);border:1px solid rgba(255,201,113,.3);border-radius:999px;padding:3px 10px}
.vjsfq-duo{display:grid;grid-template-columns:1.25fr .95fr;gap:34px;align-items:start}
.vjsfq-feed li{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:16px 0;border-bottom:1px dashed var(--edge)}
.vjsfq-feed li:last-child{border-bottom:0;padding-bottom:0}
.vjsfq-when{display:inline-flex;align-items:center;height:24px;margin-top:3px;padding:0 8px;font-size:12px;color:var(--brand2);border:1px solid rgba(255,201,113,.28);border-radius:8px;white-space:nowrap}
.vjsfq-feed h3{font-size:16px}
.vjsfq-feed p{color:var(--ink2);font-size:14px;margin-top:6px}
.vjsfq-rank li{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid var(--edge)}
.vjsfq-rank li:last-child{border-bottom:0}
.vjsfq-num{width:26px;flex:none;font-size:15px;font-weight:800;color:#6d788c}
.vjsfq-rank li:nth-child(-n+3) .vjsfq-num{color:var(--brand)}
.vjsfq-rname{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vjsfq-chip{flex:none;font-size:12px;color:#b9c2d3;border:1px solid var(--edge);border-radius:7px;padding:1px 7px}
.vjsfq-heat{margin-left:auto;flex:none;font-size:12.5px;color:#7f8b9f}
.vjsfq-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.vjsfq-card{background:var(--surf);border:1px solid var(--edge);border-radius:var(--rad);overflow:hidden;transition:transform .24s,box-shadow .24s,border-color .24s}
.vjsfq-card:hover{transform:translateY(-4px);box-shadow:var(--lift);border-color:rgba(255,122,69,.4)}
.vjsfq-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#0e1420}
.vjsfq-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.vjsfq-card:hover .vjsfq-thumb img{transform:scale(1.05)}
.vjsfq-badge{position:absolute;top:10px;left:10px;font-size:12px;color:#fff;background:rgba(10,13,20,.74);border:1px solid rgba(255,255,255,.16);border-radius:8px;padding:3px 9px;backdrop-filter:blur(6px)}
.vjsfq-body{padding:14px 16px 18px}
.vjsfq-body h3{font-size:16px}
.vjsfq-body p{color:var(--ink2);font-size:13.5px;margin-top:6px}
.vjsfq-rail{display:grid;grid-auto-flow:column;grid-auto-columns:232px;gap:16px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory}
.vjsfq-rail .vjsfq-card{scroll-snap-align:start}
.vjsfq-rail::-webkit-scrollbar{height:6px}
.vjsfq-rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:6px}
.vjsfq-topics{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.vjsfq-topic{min-height:196px;display:flex;flex-direction:column;justify-content:flex-end;padding:26px 22px;border-radius:var(--rad);border:1px solid var(--edge);background-size:cover;background-position:center}
.vjsfq-topic h3{font-size:18px}
.vjsfq-topic p{font-size:13.5px;color:#c9d1df;margin-top:8px}
.vjsfq-t1{background-image:linear-gradient(120deg,rgba(9,12,18,.9),rgba(9,12,18,.55)),url(/assets/images/backpic/back-3.webp)}
.vjsfq-t2{background-image:linear-gradient(120deg,rgba(9,12,18,.9),rgba(9,12,18,.55)),url(/assets/images/backpic/back-5.webp)}
.vjsfq-t3{background-image:linear-gradient(120deg,rgba(9,12,18,.9),rgba(9,12,18,.55)),url(/assets/images/backpic/back-7.webp)}
.vjsfq-chans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.vjsfq-chan{background:var(--surf);border:1px solid var(--edge);border-left:3px solid var(--brand);border-radius:12px;padding:18px 20px}
.vjsfq-chan h3{font-size:16px;margin-bottom:8px}
.vjsfq-chan p{color:var(--ink2);font-size:14px}
.vjsfq-faq{display:grid;gap:14px;max-width:900px}
.vjsfq-faq article{background:var(--surf);border:1px solid var(--edge);border-radius:14px;padding:20px 22px}
.vjsfq-faq h3{font-size:15.5px;color:var(--brand2);margin-bottom:8px}
.vjsfq-faq p{color:#b9c2d3;font-size:14.5px}
.vjsfq-cal{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.vjsfq-cal li{background:var(--surf);border:1px solid var(--edge);border-radius:14px;padding:20px 22px}
.vjsfq-cal b{display:inline-block;font-size:12.5px;color:var(--brand2);border:1px solid rgba(255,201,113,.3);border-radius:999px;padding:2px 10px;margin-bottom:12px}
.vjsfq-cal p{color:var(--ink2);font-size:14px;padding:5px 0 5px 16px;position:relative}
.vjsfq-cal p::before{content:"";position:absolute;left:0;top:14px;width:6px;height:6px;border-radius:50%;background:rgba(255,122,69,.7)}
.vjsfq-path{display:flex;flex-wrap:wrap;gap:14px}
.vjsfq-path li{flex:1 1 220px}
.vjsfq-path a{display:block;min-height:44px;background:var(--surf);border:1px solid var(--edge);border-radius:14px;padding:18px 20px;transition:border-color .2s,background .2s,transform .2s}
.vjsfq-path a:hover{border-color:rgba(255,122,69,.45);background:var(--surf2);transform:translateY(-3px)}
.vjsfq-path b{display:block;font-size:15.5px;color:var(--brand2);margin-bottom:6px}
.vjsfq-path span{font-size:13.5px;color:var(--ink2)}
.vjsfq-log{border-left:2px solid rgba(255,122,69,.34);padding-left:22px;margin-left:6px}
.vjsfq-log li{position:relative;padding-bottom:24px}
.vjsfq-log li:last-child{padding-bottom:0}
.vjsfq-log li::before{content:"";position:absolute;left:-29px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(255,122,69,.16)}
.vjsfq-log h3{font-size:15.5px}
.vjsfq-log p{color:var(--ink2);font-size:14px;margin-top:5px}
.vjsfq-live{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.vjsfq-live article{background:var(--surf);border:1px solid var(--edge);border-radius:var(--rad);padding:22px}
.vjsfq-time{display:inline-flex;align-items:center;font-size:12.5px;color:#8be0ae;background:rgba(101,211,138,.1);border:1px solid rgba(101,211,138,.28);border-radius:8px;padding:4px 10px}
.vjsfq-live h3{font-size:16px;margin-top:12px}
.vjsfq-live ul{margin-top:10px}
.vjsfq-live li{font-size:13.5px;color:var(--ink2);padding:4px 0 4px 15px;position:relative}
.vjsfq-live li::before{content:"";position:absolute;left:0;top:13px;width:5px;height:5px;border-radius:50%;background:rgba(255,201,113,.8)}
.vjsfq-live .vjsfq-btn{margin-top:16px;width:100%}
.vjsfq-coop{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center;background:var(--surf2);border:1px solid var(--edge);border-radius:20px;padding:34px}
.vjsfq-coop h2{font-size:clamp(19px,2.2vw,24px);margin-bottom:12px}
.vjsfq-coop p{color:var(--ink2);font-size:14.5px}
.vjsfq-wall{display:flex;flex-wrap:wrap;gap:10px}
.vjsfq-wall span{border:1px dashed rgba(255,255,255,.16);border-radius:10px;padding:8px 14px;font-size:13px;color:#b8c1d2}
.vjsfq-join{position:relative;overflow:hidden;border:1px solid var(--edge);border-radius:22px;padding:46px 36px;background-image:linear-gradient(110deg,rgba(9,12,18,.95),rgba(9,12,18,.66)),url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center}
.vjsfq-join h2{font-size:clamp(21px,2.6vw,29px)}
.vjsfq-join p{color:#c5cddc;font-size:15px;max-width:640px;margin-top:12px}
.vjsfq-join .vjsfq-acts{margin-top:24px}
.vjsfq-screens{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.vjsfq-screens span{font-size:13px;color:#cfd7e4;background:rgba(255,255,255,.06);border:1px solid var(--edge);border-radius:999px;padding:6px 14px}
.vjsfq-foot{background:#080b11;border-top:1px solid var(--edge);padding:48px 0 24px}
.vjsfq-fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.vjsfq-foot h4{font-size:14px;color:#e8edf7;margin-bottom:12px;margin-top:0}
.vjsfq-foot p{color:#8b95a8;font-size:13.5px}
.vjsfq-foot li{color:#8b95a8;font-size:13.5px;line-height:2}
.vjsfq-foot a:hover{color:var(--brand)}
.vjsfq-copy{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;border-top:1px solid var(--edge);margin-top:32px;padding-top:18px;font-size:13px;color:#6f7a8d}
@media (max-width:1024px){
  :root{--pad:54px}
  .vjsfq-duo{grid-template-columns:1fr}
  .vjsfq-cards{grid-template-columns:repeat(2,1fr)}
  .vjsfq-matrix{grid-template-columns:repeat(2,1fr)}
  .vjsfq-chans{grid-template-columns:repeat(2,1fr)}
  .vjsfq-fgrid{grid-template-columns:1fr 1fr}
  .vjsfq-coop{grid-template-columns:1fr}
}
@media (max-width:768px){
  :root{--pad:44px}
  .vjsfq-nav{width:100%;margin-left:0;order:3}
  .vjsfq-tri{grid-template-columns:1fr}
  .vjsfq-topics{grid-template-columns:1fr}
  .vjsfq-chans{grid-template-columns:1fr}
  .vjsfq-cal{grid-template-columns:1fr}
  .vjsfq-live{grid-template-columns:1fr}
  .vjsfq-join{padding:34px 22px}
  .vjsfq-coop{padding:26px 22px}
}
@media (max-width:520px){
  .vjsfq-cards{grid-template-columns:1fr}
  .vjsfq-matrix{grid-template-columns:1fr}
  .vjsfq-fgrid{grid-template-columns:1fr}
  .vjsfq-lede{font-size:14.5px}
  .vjsfq-heat{display:none}
  .vjsfq-rail{grid-auto-columns:212px}
}