/* roulang page: index */
:root{
  --c-bg:#0c0a11;
  --c-surface:#15111e;
  --c-surface2:#1c1727;
  --c-line:rgba(255,255,255,.09);
  --c-txt:#f3eff8;
  --c-dim:#a89fb8;
  --c-main:#ff5f6d;
  --c-alt:#ffc35c;
  --r-s:10px;
  --r-m:16px;
  --r-l:26px;
  --sh1:0 20px 44px -26px rgba(0,0,0,.92);
  --sp:clamp(42px,6vw,78px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--c-bg);color:var(--c-txt);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3,p,ul{margin:0}
ul{padding:0;list-style:none}
a:focus-visible,summary:focus-visible{outline:2px solid var(--c-alt);outline-offset:3px;border-radius:6px}
.rfuzzor-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}

/* 顶栏 */
.rfuzzor-top{position:sticky;top:0;z-index:40;background:rgba(12,10,17,.84);backdrop-filter:blur(14px);border-bottom:1px solid var(--c-line)}
.rfuzzor-topin{display:flex;align-items:center;gap:16px;min-height:66px}
.rfuzzor-brand{display:flex;align-items:center;gap:10px;flex:none}
.rfuzzor-mark{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,var(--c-main),var(--c-alt));color:#1a0f14;font-weight:800;font-size:16px}
.rfuzzor-brandtxt{font-weight:700;font-size:16px;letter-spacing:.4px;white-space:nowrap}
.rfuzzor-nav{display:flex;align-items:center;gap:2px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.rfuzzor-nav::-webkit-scrollbar{display:none}
.rfuzzor-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;font-size:14.5px;color:var(--c-dim);border-radius:10px;white-space:nowrap;transition:color .2s,background .2s}
.rfuzzor-nav a:hover{color:var(--c-txt);background:rgba(255,255,255,.06)}
.rfuzzor-nav .rfuzzor-navcta{margin-left:8px;padding:0 18px;color:#1a0f14;font-weight:600;background:linear-gradient(135deg,var(--c-main),#ff8a66);transition:filter .2s,transform .2s}
.rfuzzor-nav .rfuzzor-navcta:hover{color:#1a0f14;filter:brightness(1.08);transform:translateY(-1px)}

/* 首屏 */
.rfuzzor-hero{position:relative;padding:clamp(48px,7vw,88px) 0 clamp(40px,5vw,64px);background:linear-gradient(180deg,rgba(12,10,17,.76) 0%,rgba(12,10,17,.93) 62%,var(--c-bg) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;border-bottom:1px solid var(--c-line)}
.rfuzzor-kicker{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--c-alt);border:1px solid rgba(255,195,92,.4);background:rgba(255,195,92,.08);border-radius:999px;padding:6px 14px}
.rfuzzor-h1{margin:18px 0 10px;font-size:clamp(32px,5.6vw,58px);line-height:1.14;letter-spacing:1px;font-weight:800}
.rfuzzor-hl{background:linear-gradient(120deg,var(--c-main),var(--c-alt));-webkit-background-clip:text;background-clip:text;color:transparent}
.rfuzzor-sub{font-size:clamp(15px,2vw,19px);font-weight:500;opacity:.94}
.rfuzzor-intro{max-width:780px;margin-top:14px;font-size:15px;line-height:1.95;color:var(--c-dim)}
.rfuzzor-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.rfuzzor-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s,box-shadow .2s,background .2s}
.rfuzzor-btn-p{background:linear-gradient(135deg,var(--c-main),#ff8a66);color:#180d12;box-shadow:0 14px 28px -16px rgba(255,95,109,.95)}
.rfuzzor-btn-p:hover{transform:translateY(-2px)}
.rfuzzor-btn-g{background:rgba(255,255,255,.06);border-color:var(--c-line);color:var(--c-txt)}
.rfuzzor-btn-g:hover{background:rgba(255,255,255,.13)}
.rfuzzor-panel{display:flex;flex-wrap:wrap;align-items:center;gap:24px;margin-top:38px;padding:22px;border:1px solid var(--c-line);border-radius:var(--r-l);background:rgba(21,17,30,.74);backdrop-filter:blur(6px)}
.rfuzzor-ring{position:relative;flex:none;width:106px;height:106px;border-radius:50%;background:conic-gradient(var(--c-main) 0 58%,var(--c-alt) 58% 80%,rgba(255,255,255,.08) 80% 100%);display:grid;place-items:center}
.rfuzzor-ringin{width:80px;height:80px;border-radius:50%;background:#141020;display:grid;place-items:center;text-align:center;font-size:12.5px;line-height:1.35;font-weight:600;color:var(--c-dim)}
.rfuzzor-tiers{flex:1 1 460px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rfuzzor-tiers li{padding:12px 14px;border-radius:var(--r-m);border:1px solid var(--c-line);background:rgba(255,255,255,.04)}
.rfuzzor-tiers strong{display:block;font-size:14px;color:var(--c-alt);margin-bottom:4px}
.rfuzzor-tiers span{font-size:13px;color:var(--c-dim);line-height:1.65}

/* 通用板块 */
.rfuzzor-sec{padding:var(--sp) 0}
.rfuzzor-sec-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.rfuzzor-hd{max-width:780px;margin-bottom:30px}
.rfuzzor-hd h2{font-size:clamp(22px,3vw,31px);line-height:1.32;font-weight:750}
.rfuzzor-hd p{margin-top:10px;font-size:14.5px;line-height:1.9;color:var(--c-dim)}

.rfuzzor-feats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rfuzzor-feat{padding:22px 20px;border-radius:var(--r-m);border:1px solid var(--c-line);background:var(--c-surface2);transition:transform .2s,border-color .2s}
.rfuzzor-feat:hover{transform:translateY(-3px);border-color:rgba(255,95,109,.5)}
.rfuzzor-fig{display:block;margin-bottom:10px;font-size:19px;font-weight:800;color:var(--c-main);letter-spacing:1px}
.rfuzzor-feat h3{font-size:16px;margin-bottom:8px}
.rfuzzor-feat p{font-size:13.5px;line-height:1.78;color:var(--c-dim)}

.rfuzzor-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rfuzzor-cat{padding:18px 20px;border-radius:var(--r-m);border:1px dashed rgba(255,255,255,.15);background:rgba(255,255,255,.02)}
.rfuzzor-cat b{display:block;font-size:15px;margin-bottom:6px}
.rfuzzor-cat span{font-size:13.5px;line-height:1.72;color:var(--c-dim)}

.rfuzzor-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rfuzzor-card{border-radius:var(--r-m);border:1px solid var(--c-line);background:var(--c-surface2);overflow:hidden;transition:transform .22s,box-shadow .22s,border-color .22s}
.rfuzzor-card:hover{transform:translateY(-4px);box-shadow:var(--sh1);border-color:rgba(255,95,109,.45)}
.rfuzzor-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#0a0810}
.rfuzzor-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.rfuzzor-card:hover .rfuzzor-thumb img{transform:scale(1.05)}
.rfuzzor-badge{position:absolute;top:10px;left:10px;font-size:12px;padding:3px 10px;border-radius:999px;color:var(--c-alt);background:rgba(12,10,17,.8);border:1px solid rgba(255,195,92,.4);backdrop-filter:blur(4px)}
.rfuzzor-cardin{padding:14px 16px 18px}
.rfuzzor-cardin h3{font-size:15.5px;line-height:1.42}
.rfuzzor-meta{margin-top:6px;font-size:12.5px;letter-spacing:.4px;color:var(--c-alt)}
.rfuzzor-cardin p{margin-top:8px;font-size:13.5px;line-height:1.72;color:var(--c-dim)}

.rfuzzor-rank{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 22px}
.rfuzzor-rank li{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:12px;border:1px solid transparent;transition:background .2s,border-color .2s}
.rfuzzor-rank li:hover{background:rgba(255,255,255,.04);border-color:var(--c-line)}
.rfuzzor-no{flex:none;width:30px;font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;color:rgba(255,255,255,.3)}
.rfuzzor-rank li:nth-child(-n+3) .rfuzzor-no{color:var(--c-main)}
.rfuzzor-rname{font-size:14.5px;font-weight:600}
.rfuzzor-rkind{margin-left:8px;font-size:12px;color:var(--c-dim)}
.rfuzzor-rtag{margin-left:auto;font-size:12px;white-space:nowrap;color:var(--c-dim);padding:2px 9px;border-radius:999px;border:1px solid var(--c-line)}

.rfuzzor-spots{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.rfuzzor-spot{display:grid;grid-template-columns:132px 1fr;gap:16px;align-items:center;padding:16px;border-radius:var(--r-m);border:1px solid var(--c-line);background:var(--c-surface2)}
.rfuzzor-spotimg{aspect-ratio:3/4;border-radius:12px;overflow:hidden;background:#0a0810}
.rfuzzor-spotimg img{width:100%;height:100%;object-fit:cover}
.rfuzzor-spot h3{font-size:15.5px}
.rfuzzor-spot p{margin-top:8px;font-size:13.5px;line-height:1.75;color:var(--c-dim)}

.rfuzzor-split{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.rfuzzor-col{padding:22px;border-radius:var(--r-m);border:1px solid var(--c-line);background:var(--c-surface2)}
.rfuzzor-col h3{display:flex;align-items:center;gap:9px;font-size:16px;margin-bottom:12px}
.rfuzzor-col h3::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-main)}
.rfuzzor-col li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 0;font-size:14px;border-bottom:1px dashed rgba(255,255,255,.08)}
.rfuzzor-col li:last-child{border-bottom:0}
.rfuzzor-col em{font-style:normal;font-size:12.5px;color:var(--c-dim);white-space:nowrap}

.rfuzzor-line{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rfuzzor-step{position:relative;padding-top:20px;border-top:2px solid rgba(255,255,255,.1)}
.rfuzzor-step::before{content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;background:var(--c-main);box-shadow:0 0 0 4px rgba(255,95,109,.18)}
.rfuzzor-step b{display:block;font-size:15px;margin-bottom:8px}
.rfuzzor-step p{font-size:13.5px;line-height:1.8;color:var(--c-dim)}

.rfuzzor-voices{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rfuzzor-voice{padding:22px;border-radius:var(--r-m);border:1px solid var(--c-line);background:var(--c-surface2)}
.rfuzzor-voice p{font-size:14px;line-height:1.85}
.rfuzzor-who{margin-top:14px;font-size:12.5px;color:var(--c-dim);display:flex;align-items:center;gap:8px}
.rfuzzor-who::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--c-alt)}

.rfuzzor-news{display:grid;gap:12px}
.rfuzzor-news li{display:grid;grid-template-columns:112px 1fr;gap:16px;align-items:center;padding:12px;border-radius:var(--r-m);border:1px solid var(--c-line);background:var(--c-surface2);transition:border-color .2s,transform .2s}
.rfuzzor-news li:hover{border-color:rgba(255,95,109,.45);transform:translateX(3px)}
.rfuzzor-newsimg{aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:#0a0810}
.rfuzzor-newsimg img{width:100%;height:100%;object-fit:cover}
.rfuzzor-news h3{font-size:15px;line-height:1.5}
.rfuzzor-news p{margin-top:6px;font-size:13px;line-height:1.7;color:var(--c-dim)}
.rfuzzor-newstime{display:inline-block;margin-top:6px;font-size:12.5px;color:var(--c-alt)}

.rfuzzor-faq{display:grid;gap:10px;max-width:920px}
.rfuzzor-faq details{padding:0 18px;border-radius:var(--r-m);border:1px solid var(--c-line);background:var(--c-surface2);transition:border-color .2s}
.rfuzzor-faq details[open]{border-color:rgba(255,95,109,.42)}
.rfuzzor-faq summary{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:54px;font-size:15px;font-weight:600;cursor:pointer;list-style:none}
.rfuzzor-faq summary::-webkit-details-marker{display:none}
.rfuzzor-faq summary::after{content:"+";font-size:20px;line-height:1;color:var(--c-main)}
.rfuzzor-faq details[open] summary::after{content:"−"}
.rfuzzor-faq p{padding:0 0 18px;font-size:14px;line-height:1.9;color:var(--c-dim)}

.rfuzzor-cta{padding:clamp(30px,5vw,54px);border-radius:var(--r-l);border:1px solid rgba(255,95,109,.32);background:linear-gradient(120deg,rgba(255,95,109,.2),rgba(12,10,17,.9)),url('/assets/images/backpic/back-6.webp') center/cover no-repeat;text-align:center}
.rfuzzor-cta h2{font-size:clamp(22px,3.4vw,32px);line-height:1.35}
.rfuzzor-cta p{max-width:640px;margin:12px auto 26px;font-size:14.5px;line-height:1.9;color:var(--c-dim)}

/* 页脚 */
.rfuzzor-foot{background:#08060c;border-top:1px solid var(--c-line);padding:clamp(38px,5vw,62px) 0 0;margin-top:var(--sp)}
.rfuzzor-footgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}
.rfuzzor-foot h3{font-size:14px;margin-bottom:12px}
.rfuzzor-foot p{font-size:13.5px;line-height:1.95;color:var(--c-dim)}
.rfuzzor-foot li a{display:inline-flex;align-items:center;min-height:44px;font-size:13.5px;color:var(--c-dim);transition:color .2s}
.rfuzzor-foot li a:hover{color:var(--c-main)}
.rfuzzor-copy{margin-top:26px;padding:18px 0;border-top:1px solid var(--c-line);text-align:center;font-size:12.5px;color:rgba(255,255,255,.42)}

@media (max-width:1024px){
  .rfuzzor-feats{grid-template-columns:repeat(2,1fr)}
  .rfuzzor-cats{grid-template-columns:repeat(2,1fr)}
  .rfuzzor-spots{grid-template-columns:1fr}
  .rfuzzor-footgrid{grid-template-columns:1fr 1fr}
  .rfuzzor-voices{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .rfuzzor-cards{grid-template-columns:repeat(2,1fr);gap:14px}
  .rfuzzor-rank{grid-template-columns:1fr}
  .rfuzzor-line{grid-template-columns:1fr}
  .rfuzzor-split{grid-template-columns:1fr}
  .rfuzzor-voices{grid-template-columns:1fr}
  .rfuzzor-tiers{grid-template-columns:1fr}
  .rfuzzor-panel{gap:18px;padding:18px}
  .rfuzzor-hd{margin-bottom:24px}
}
@media (max-width:520px){
  .rfuzzor-wrap{padding:0 16px}
  .rfuzzor-brandtxt{font-size:14px}
  .rfuzzor-feats{grid-template-columns:1fr}
  .rfuzzor-cats{grid-template-columns:1fr}
  .rfuzzor-cards{grid-template-columns:repeat(2,1fr);gap:12px}
  .rfuzzor-cardin{padding:12px 12px 14px}
  .rfuzzor-cardin h3{font-size:14.5px}
  .rfuzzor-cardin p{font-size:14px}
  .rfuzzor-cat span,.rfuzzor-feat p,.rfuzzor-step p,.rfuzzor-spot p{font-size:14px}
  .rfuzzor-news li{grid-template-columns:88px 1fr;gap:12px}
  .rfuzzor-spot{grid-template-columns:104px 1fr}
  .rfuzzor-footgrid{grid-template-columns:1fr}
  .rfuzzor-intro{font-size:14.5px}
}