/* roulang page: index */
:root{
  --c-deep:#0b0c11;
  --c-panel:#14161f;
  --c-panel2:#1b1e2a;
  --c-flame:#ff6a3d;
  --c-gold:#ffc861;
  --c-text:#eef0f6;
  --c-mute:#a2a8bb;
  --c-edge:rgba(255,255,255,.09);
  --r-lg:18px;
  --r-md:12px;
  --sh-soft:0 18px 40px -18px rgba(0,0,0,.78);
  --sp-sec:clamp(46px,6vw,84px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--c-deep);color:var(--c-text);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15px;line-height:1.72;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,blockquote,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--c-gold);outline-offset:3px;border-radius:6px}
.ybsfkcfz-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* 顶栏 */
.ybsfkcfz-top{position:sticky;top:0;z-index:60;background:rgba(11,12,17,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--c-edge)}
.ybsfkcfz-topin{display:flex;align-items:center;gap:16px;min-height:64px;flex-wrap:wrap}
.ybsfkcfz-logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.02em;min-height:44px}
.ybsfkcfz-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,var(--c-flame),var(--c-gold));color:#17130f;font-weight:800;font-size:16px}
.ybsfkcfz-navg{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
.ybsfkcfz-navg a{display:inline-flex;align-items:center;min-height:44px;padding:0 13px;border-radius:999px;color:var(--c-mute);font-size:14px;transition:color .2s,background .2s}
.ybsfkcfz-navg a:hover{color:var(--c-text);background:rgba(255,255,255,.07)}
.ybsfkcfz-navg a.ybsfkcfz-on{color:#17130f;background:linear-gradient(120deg,var(--c-flame),var(--c-gold));font-weight:600}

/* 首屏 */
.ybsfkcfz-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--c-edge)}
.ybsfkcfz-heroBg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3}
.ybsfkcfz-heroVeil{position:absolute;inset:0;background:radial-gradient(115% 90% at 12% 18%,rgba(255,106,61,.24),transparent 58%),linear-gradient(180deg,rgba(11,12,17,.42),var(--c-deep) 92%)}
.ybsfkcfz-heroIn{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:46px;align-items:center;padding:clamp(40px,6vw,78px) 0;scroll-margin-top:72px}
.ybsfkcfz-kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;border:1px solid rgba(255,106,61,.45);color:var(--c-gold);font-size:13px;letter-spacing:.05em}
.ybsfkcfz-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-flame)}
.ybsfkcfz-h1{font-size:clamp(29px,4.6vw,48px);line-height:1.24;font-weight:800;margin:18px 0 12px;letter-spacing:-.01em}
.ybsfkcfz-h1 em{font-style:normal;background:linear-gradient(100deg,var(--c-flame),var(--c-gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.ybsfkcfz-sub{color:var(--c-gold);font-size:14.5px;letter-spacing:.16em;margin-bottom:14px}
.ybsfkcfz-lead{color:#c3c9d9;font-size:15.5px;max-width:58ch}
.ybsfkcfz-acts{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.ybsfkcfz-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;cursor:pointer;transition:transform .18s,box-shadow .18s,background .18s,border-color .18s}
.ybsfkcfz-btnMain{background:linear-gradient(120deg,var(--c-flame),#ff9a58);color:#17110b;box-shadow:0 14px 30px -14px rgba(255,106,61,.9)}
.ybsfkcfz-btnMain:hover{transform:translateY(-2px);box-shadow:0 18px 34px -14px rgba(255,106,61,.95)}
.ybsfkcfz-btnGhost{background:rgba(255,255,255,.05);border-color:var(--c-edge);color:var(--c-text)}
.ybsfkcfz-btnGhost:hover{background:rgba(255,255,255,.11);border-color:rgba(255,200,97,.45)}
.ybsfkcfz-heroArt{position:relative}
.ybsfkcfz-heroArt img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);border:1px solid rgba(255,255,255,.14);box-shadow:var(--sh-soft)}
.ybsfkcfz-hot{position:absolute;top:14px;left:14px;display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;background:rgba(11,12,17,.76);border:1px solid rgba(255,200,97,.5);color:var(--c-gold);font-size:12.5px}

/* 板块通用 */
.ybsfkcfz-sec{padding:var(--sp-sec) 0;border-bottom:1px solid rgba(255,255,255,.05);scroll-margin-top:72px}
.ybsfkcfz-secAlt{background:linear-gradient(180deg,#101220,#0b0c11)}
.ybsfkcfz-head{max-width:790px;margin-bottom:30px}
.ybsfkcfz-h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;letter-spacing:-.01em;display:flex;align-items:center;gap:12px;line-height:1.35}
.ybsfkcfz-h2::before{content:"";flex:0 0 6px;width:6px;height:22px;border-radius:4px;background:linear-gradient(180deg,var(--c-flame),var(--c-gold))}
.ybsfkcfz-note{color:var(--c-mute);font-size:14.5px;margin-top:12px}
.ybsfkcfz-h3{font-size:16.5px;font-weight:700;line-height:1.45}

/* 网格 */
.ybsfkcfz-grid{display:grid;gap:18px}
.ybsfkcfz-g4{grid-template-columns:repeat(4,1fr)}
.ybsfkcfz-g3{grid-template-columns:repeat(3,1fr)}
.ybsfkcfz-g2{grid-template-columns:repeat(2,1fr)}

/* 卡片 */
.ybsfkcfz-card{background:linear-gradient(180deg,var(--c-panel2),var(--c-panel));border:1px solid var(--c-edge);border-radius:var(--r-lg);overflow:hidden;transition:transform .2s,border-color .2s,box-shadow .2s}
.ybsfkcfz-card:hover{transform:translateY(-4px);border-color:rgba(255,106,61,.45);box-shadow:var(--sh-soft)}
.ybsfkcfz-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0a0b10}
.ybsfkcfz-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .38s}
.ybsfkcfz-card:hover .ybsfkcfz-thumb img{transform:scale(1.05)}
.ybsfkcfz-badge{position:absolute;top:10px;left:10px;padding:4px 9px;border-radius:8px;font-size:12px;font-weight:600;background:rgba(11,12,17,.8);color:var(--c-gold);border:1px solid rgba(255,200,97,.42)}
.ybsfkcfz-badgeAlt{left:auto;right:10px;background:linear-gradient(120deg,var(--c-flame),var(--c-gold));border-color:transparent;color:#17110b}
.ybsfkcfz-body{padding:14px 15px 17px}
.ybsfkcfz-tit{font-size:15px;font-weight:700;line-height:1.5}
.ybsfkcfz-desc{font-size:13px;color:var(--c-mute);margin-top:7px;line-height:1.64}

/* 人群列表 */
.ybsfkcfz-people{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ybsfkcfz-people li{padding:20px 18px;border-radius:var(--r-md);background:rgba(255,255,255,.035);border:1px solid var(--c-edge);transition:border-color .2s,background .2s}
.ybsfkcfz-people li:hover{border-color:rgba(255,106,61,.38);background:rgba(255,106,61,.08)}
.ybsfkcfz-num{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:9px;background:rgba(255,200,97,.14);color:var(--c-gold);font-size:13px;font-weight:700;margin-bottom:10px}
.ybsfkcfz-people h3{font-size:15px;font-weight:700;margin-bottom:6px}
.ybsfkcfz-people p{font-size:13px;color:var(--c-mute);line-height:1.62}

/* 适合/不适合 */
.ybsfkcfz-versus{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.ybsfkcfz-panel{padding:24px 22px;border-radius:var(--r-lg);border:1px solid var(--c-edge);background:rgba(255,255,255,.03)}
.ybsfkcfz-panelYes{background:linear-gradient(160deg,rgba(255,106,61,.16),rgba(255,255,255,.03));border-color:rgba(255,106,61,.35)}
.ybsfkcfz-panel h3{font-size:16px;margin-bottom:12px;display:flex;align-items:center;gap:9px}
.ybsfkcfz-panelYes h3{color:var(--c-gold)}
.ybsfkcfz-panel li{position:relative;padding-left:20px;font-size:14px;color:#c4cad9;line-height:1.75;margin-bottom:8px}
.ybsfkcfz-panel li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.28)}
.ybsfkcfz-panelYes li::before{background:var(--c-flame)}

/* 标签 */
.ybsfkcfz-tagwall{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.ybsfkcfz-tag{padding:9px 18px;border-radius:999px;background:rgba(255,255,255,.045);border:1px solid var(--c-edge);font-size:14px;color:#d9deec}
.ybsfkcfz-chans{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ybsfkcfz-chans li{padding:16px 18px;border-radius:var(--r-md);border:1px solid var(--c-edge);background:rgba(255,255,255,.025)}
.ybsfkcfz-chans h3{font-size:15px;font-weight:700;margin-bottom:6px;color:#e7ebf5}
.ybsfkcfz-chans p{font-size:13px;color:var(--c-mute);line-height:1.62}

/* 榜单 */
.ybsfkcfz-rank{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 22px}
.ybsfkcfz-rank li{display:flex;align-items:center;gap:13px;padding:12px 14px;border-radius:var(--r-md);background:rgba(255,255,255,.032);border:1px solid var(--c-edge);transition:background .2s,border-color .2s}
.ybsfkcfz-rank li:hover{background:rgba(255,106,61,.1);border-color:rgba(255,106,61,.34)}
.ybsfkcfz-no{flex:0 0 30px;width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:rgba(255,255,255,.07);font-size:13px;font-weight:700;color:var(--c-mute)}
.ybsfkcfz-rank li:nth-child(-n+3) .ybsfkcfz-no{background:linear-gradient(135deg,var(--c-flame),var(--c-gold));color:#17110b}
.ybsfkcfz-rname{font-size:14.5px;font-weight:600}
.ybsfkcfz-rmeta{margin-left:auto;font-size:12.5px;color:var(--c-mute);white-space:nowrap}

/* 状态分栏 */
.ybsfkcfz-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.ybsfkcfz-cols h3{font-size:16px;margin-bottom:12px;color:var(--c-gold)}
.ybsfkcfz-cols li{display:flex;gap:12px;align-items:baseline;padding:11px 14px;border-radius:var(--r-md);border:1px solid var(--c-edge);background:rgba(255,255,255,.028);margin-bottom:9px;font-size:14px}
.ybsfkcfz-cols li span{margin-left:auto;font-size:12.5px;color:var(--c-mute);white-space:nowrap}

/* 资讯 */
.ybsfkcfz-news{display:grid;gap:14px}
.ybsfkcfz-news li{display:grid;grid-template-columns:158px 1fr;gap:16px;align-items:center;padding:12px;border-radius:var(--r-md);border:1px solid var(--c-edge);background:rgba(255,255,255,.03);transition:border-color .2s,background .2s}
.ybsfkcfz-news li:hover{border-color:rgba(255,106,61,.36);background:rgba(255,106,61,.07)}
.ybsfkcfz-nimg{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px}
.ybsfkcfz-news h3{font-size:15px;font-weight:600;line-height:1.5}
.ybsfkcfz-news p{font-size:13px;color:var(--c-mute);margin-top:5px;line-height:1.62}
.ybsfkcfz-stamp{display:inline-block;font-size:12px;color:var(--c-gold);margin-bottom:4px}

/* 口碑 */
.ybsfkcfz-quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ybsfkcfz-quotes blockquote{padding:20px;border-radius:var(--r-md);border:1px solid var(--c-edge);background:rgba(255,255,255,.03);font-size:14px;color:#c8cedd;line-height:1.72}
.ybsfkcfz-quotes cite{display:block;margin-top:12px;font-style:normal;font-size:13px;color:var(--c-gold)}

/* 保障 */
.ybsfkcfz-safe{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ybsfkcfz-safe li{padding:18px;border-radius:var(--r-md);border:1px solid var(--c-edge);background:linear-gradient(160deg,rgba(255,106,61,.13),rgba(255,255,255,.03))}
.ybsfkcfz-safe h3{font-size:15px;margin-bottom:6px}
.ybsfkcfz-safe p{font-size:13px;color:var(--c-mute);line-height:1.62}

/* 问答 */
.ybsfkcfz-faq{display:grid;gap:12px;max-width:920px}
.ybsfkcfz-faq details{border:1px solid var(--c-edge);border-radius:var(--r-md);background:rgba(255,255,255,.03);padding:0 16px;transition:border-color .2s}
.ybsfkcfz-faq details[open]{border-color:rgba(255,200,97,.4)}
.ybsfkcfz-faq summary{min-height:54px;display:flex;align-items:center;cursor:pointer;font-weight:600;font-size:15px;list-style:none}
.ybsfkcfz-faq summary::-webkit-details-marker{display:none}
.ybsfkcfz-faq summary::after{content:"+";margin-left:auto;color:var(--c-gold);font-size:19px;line-height:1}
.ybsfkcfz-faq details[open] summary::after{content:"–"}
.ybsfkcfz-faq p{padding:0 0 16px;color:var(--c-mute);font-size:14px;line-height:1.75}

/* 收口 */
.ybsfkcfz-cta{position:relative;overflow:hidden;text-align:center;padding:clamp(38px,6vw,66px) 24px;border-radius:var(--r-lg);border:1px solid rgba(255,106,61,.34);background:linear-gradient(120deg,rgba(255,106,61,.24),rgba(255,200,97,.09))}
.ybsfkcfz-cta h2{font-size:clamp(20px,2.6vw,27px);font-weight:800}
.ybsfkcfz-cta p{color:#cdd3e2;font-size:14.5px;max-width:62ch;margin:14px auto 0}
.ybsfkcfz-cta .ybsfkcfz-acts{justify-content:center}

/* 页脚 */
.ybsfkcfz-foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding:54px 0 34px}
.ybsfkcfz-foot h3{font-size:14.5px;margin-bottom:14px;color:#e6eaf4}
.ybsfkcfz-foot li{font-size:13.5px;color:var(--c-mute);margin-bottom:9px;line-height:1.62}
.ybsfkcfz-foot a{display:inline-flex;align-items:center;min-height:32px;transition:color .2s}
.ybsfkcfz-foot a:hover{color:var(--c-gold)}
.ybsfkcfz-fbrand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:12px}
.ybsfkcfz-ftext{font-size:13.5px;color:var(--c-mute);line-height:1.72;max-width:34ch}
.ybsfkcfz-copy{border-top:1px solid var(--c-edge);padding:18px 0 28px;font-size:12.5px;color:#7d8496;display:flex;gap:12px;flex-wrap:wrap;justify-content:space-between}

@media (max-width:1024px){
  .ybsfkcfz-heroIn{grid-template-columns:1fr;gap:32px}
  .ybsfkcfz-g4{grid-template-columns:repeat(2,1fr)}
  .ybsfkcfz-g3{grid-template-columns:repeat(2,1fr)}
  .ybsfkcfz-people{grid-template-columns:repeat(2,1fr)}
  .ybsfkcfz-chans{grid-template-columns:repeat(2,1fr)}
  .ybsfkcfz-safe{grid-template-columns:repeat(2,1fr)}
  .ybsfkcfz-quotes{grid-template-columns:1fr}
  .ybsfkcfz-foot{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .ybsfkcfz-topin{padding:9px 0;gap:8px}
  .ybsfkcfz-navg{margin-left:0;width:100%;flex-wrap:nowrap;overflow-x:auto;gap:2px;padding-bottom:4px;scrollbar-width:none}
  .ybsfkcfz-navg::-webkit-scrollbar{display:none}
  .ybsfkcfz-navg a{white-space:nowrap;font-size:13.5px;padding:0 11px}
  .ybsfkcfz-versus,.ybsfkcfz-cols{grid-template-columns:1fr}
  .ybsfkcfz-rank{grid-template-columns:1fr}
  .ybsfkcfz-news li{grid-template-columns:112px 1fr;gap:12px}
  .ybsfkcfz-lead{font-size:14.5px}
  .ybsfkcfz-sec{padding:44px 0}
}
@media (max-width:520px){
  .ybsfkcfz-g4,.ybsfkcfz-g3,.ybsfkcfz-g2{grid-template-columns:1fr}
  .ybsfkcfz-people,.ybsfkcfz-chans,.ybsfkcfz-safe{grid-template-columns:1fr}
  .ybsfkcfz-news li{grid-template-columns:1fr}
  .ybsfkcfz-nimg{aspect-ratio:16/9}
  .ybsfkcfz-foot{grid-template-columns:1fr;padding:42px 0 26px}
  .ybsfkcfz-btn{width:100%}
  .ybsfkcfz-acts{flex-direction:column}
  .ybsfkcfz-body{padding:13px 13px 15px}
  .ybsfkcfz-cta{padding:34px 18px}
}