/* roulang page: index */
:root{
  --gold:#f2b53c;
  --teal:#5fcfc0;
  --night:#0a0c11;
  --panel:#121620;
  --panel2:#0e121a;
  --line:rgba(255,255,255,.09);
  --text:#eef1f7;
  --muted:#98a3b6;
  --rad:14px;
  --rad-s:8px;
  --shadow:0 14px 36px rgba(0,0,0,.5);
  --gap:26px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--night);color:var(--text);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p,figure{margin:0}
button{font:inherit}
.dblyf-wrap{width:min(1180px,92%);margin:0 auto}

/* 顶部 */
.dblyf-top{position:sticky;top:0;z-index:30;background:rgba(10,12,17,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.dblyf-top .dblyf-wrap{display:flex;align-items:center;gap:18px;min-height:66px}
.dblyf-logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.dblyf-logo i{width:28px;height:28px;border-radius:9px;background:linear-gradient(140deg,var(--gold),#b9761a);box-shadow:0 4px 14px rgba(242,181,60,.35)}
.dblyf-nav{margin-left:auto;display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.dblyf-nav::-webkit-scrollbar{display:none}
.dblyf-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border-radius:999px;color:var(--muted);font-size:15px;white-space:nowrap;transition:color .2s,background .2s}
.dblyf-nav a:hover,.dblyf-nav a:focus-visible{color:var(--text);background:rgba(255,255,255,.07)}

/* 首屏 */
.dblyf-hero{position:relative;padding:70px 0 62px;background:
  radial-gradient(900px 420px at 78% 8%,rgba(242,181,60,.14),transparent 62%),
  linear-gradient(180deg,rgba(10,12,17,.86),rgba(10,12,17,.97)),
  url("/assets/images/backpic/back-1.webp") center/cover no-repeat}
.dblyf-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.dblyf-kicker{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--gold);border:1px solid rgba(242,181,60,.35);border-radius:999px;padding:5px 14px}
.dblyf-hero h1{margin:18px 0 10px;font-size:clamp(34px,4.6vw,56px);line-height:1.12;letter-spacing:.01em;font-weight:800}
.dblyf-hero h1 span{color:var(--gold)}
.dblyf-lead{font-size:18px;color:#dfe5ef}
.dblyf-intro{margin-top:14px;max-width:52ch;color:var(--muted);font-size:15px;line-height:1.85}
.dblyf-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.dblyf-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 26px;border-radius:999px;background:linear-gradient(135deg,var(--gold),#d99420);color:#1a1206;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.dblyf-btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,181,60,.28)}
.dblyf-btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.dblyf-btn-ghost:hover{background:rgba(255,255,255,.06);box-shadow:none}
.dblyf-pick{border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,rgba(22,27,38,.96),rgba(15,19,27,.96));padding:22px;box-shadow:var(--shadow)}
.dblyf-pick-k{font-size:13px;letter-spacing:.1em;color:var(--muted);margin-bottom:12px}
.dblyf-pick ul{display:grid;gap:10px}
.dblyf-pick li{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;transition:border-color .2s,background .2s}
.dblyf-pick li span{font-size:15px;font-weight:600}
.dblyf-pick li em{font-style:normal;font-size:13px;color:var(--muted)}
.dblyf-pick li.is-best{border-color:rgba(242,181,60,.55);background:rgba(242,181,60,.09)}
.dblyf-pick li.is-best span{color:var(--gold)}
.dblyf-pick .dblyf-btn{margin-top:16px;width:100%}

/* 区块基础 */
.dblyf-sec{padding:64px 0}
.dblyf-band{padding:64px 0;background:var(--panel2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.dblyf-head{margin-bottom:30px;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 34px}
.dblyf-head h2{font-size:clamp(22px,2.4vw,28px);line-height:1.3;letter-spacing:.01em;flex:0 0 auto}
.dblyf-head p{flex:1 1 420px;max-width:660px;color:var(--muted);font-size:15px}

.dblyf-four{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.dblyf-four li{padding:22px;border:1px solid var(--line);border-radius:var(--rad);background:var(--panel);transition:transform .22s,border-color .22s}
.dblyf-four li:hover{transform:translateY(-3px);border-color:rgba(242,181,60,.35)}
.dblyf-four h3{font-size:17px;margin-bottom:6px}
.dblyf-four h3::before{content:"";display:inline-block;width:6px;height:6px;border-radius:2px;background:var(--gold);margin-right:8px;vertical-align:middle}
.dblyf-four p{font-size:14px;color:var(--muted)}

.dblyf-week{display:grid;grid-template-columns:repeat(7,1fr);gap:14px}
.dblyf-week li{display:flex;flex-direction:column;gap:6px;min-height:158px;padding:16px 14px;border:1px solid var(--line);border-radius:var(--rad);background:linear-gradient(180deg,rgba(20,25,35,.9),rgba(15,19,27,.9));transition:transform .2s,border-color .2s}
.dblyf-week li:hover{transform:translateY(-3px);border-color:rgba(95,207,192,.4)}
.dblyf-day{font-size:13px;color:var(--teal);letter-spacing:.08em}
.dblyf-week h3{font-size:15px}
.dblyf-week p{flex:1;font-size:13px;color:var(--muted)}
.dblyf-badge{align-self:flex-start;font-style:normal;font-size:12px;padding:3px 10px;border-radius:999px;background:rgba(95,207,192,.14);color:var(--teal);border:1px solid rgba(95,207,192,.28)}

.dblyf-feature{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.dblyf-feature li{display:grid;grid-template-columns:180px 1fr;gap:18px;padding:16px;border:1px solid var(--line);border-radius:var(--rad);background:var(--panel);transition:transform .22s,box-shadow .22s}
.dblyf-feature li:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.dblyf-fthumb{overflow:hidden;border-radius:10px;aspect-ratio:3/4;background:#1a1f2b}
.dblyf-fthumb img{width:100%;height:100%;object-fit:cover}
.dblyf-fbody h3{font-size:19px;margin:8px 0}
.dblyf-fbody p{font-size:14px;color:var(--muted)}
.dblyf-chip{display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid rgba(242,181,60,.4);color:var(--gold);background:rgba(242,181,60,.08)}

.dblyf-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.dblyf-cats li{padding:20px;border:1px solid var(--line);border-radius:var(--rad);background:var(--panel);transition:border-color .2s,background .2s}
.dblyf-cats li:hover{border-color:rgba(242,181,60,.35);background:#151a26}
.dblyf-cats p{margin-top:10px;font-size:14px;color:var(--muted)}

.dblyf-grid-6{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px}
.dblyf-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--rad);background:var(--panel);transition:transform .24s,box-shadow .24s,border-color .24s}
.dblyf-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(242,181,60,.3)}
.dblyf-thumb{position:relative;overflow:hidden;aspect-ratio:2/3;background:#1a1f2b}
.dblyf-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.dblyf-card:hover .dblyf-thumb img{transform:scale(1.05)}
.dblyf-tag{position:absolute;left:8px;top:8px;font-size:11px;padding:2px 8px;border-radius:6px;background:rgba(10,12,17,.78);color:var(--gold);border:1px solid rgba(242,181,60,.3)}
.dblyf-score{position:absolute;right:8px;bottom:8px;font-size:13px;font-weight:700;color:var(--gold);background:rgba(10,12,17,.8);border-radius:6px;padding:1px 7px}
.dblyf-card-b{padding:12px 12px 14px}
.dblyf-card-b h3{font-size:15px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dblyf-card-b p{margin-top:4px;font-size:12px;color:var(--muted)}

.dblyf-rank{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px}
.dblyf-rank li{display:flex;align-items:center;gap:14px;padding:13px 4px;border-bottom:1px solid var(--line);transition:background .2s}
.dblyf-rank li:hover{background:rgba(255,255,255,.03)}
.dblyf-no{min-width:28px;font-size:15px;font-weight:800;color:var(--teal);font-variant-numeric:tabular-nums}
.dblyf-rank li:nth-child(-n+3) .dblyf-no{color:var(--gold)}
.dblyf-rank div{flex:1;min-width:0}
.dblyf-rank h3{font-size:15px}
.dblyf-rank p{font-size:12px;color:var(--muted)}
.dblyf-score2{font-style:normal;font-size:14px;font-weight:700;color:var(--gold)}

.dblyf-quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.dblyf-quotes li{position:relative;padding:22px;border:1px solid var(--line);border-radius:var(--rad);background:linear-gradient(160deg,rgba(22,27,38,.9),rgba(14,18,26,.9))}
.dblyf-quotes li::before{content:"“";position:absolute;top:4px;right:16px;font-size:52px;line-height:1;color:rgba(242,181,60,.16)}
.dblyf-quotes p{font-size:15px;line-height:1.8;color:#e2e8f2}
.dblyf-quotes span{display:block;margin-top:12px;font-size:13px;color:var(--muted)}

.dblyf-news{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.dblyf-news li{display:flex;align-items:center;gap:16px;padding:12px;border:1px solid var(--line);border-radius:var(--rad);background:var(--panel);transition:transform .2s,border-color .2s}
.dblyf-news li:hover{transform:translateY(-2px);border-color:rgba(95,207,192,.35)}
.dblyf-nthumb{flex:0 0 116px;width:116px;height:78px;overflow:hidden;border-radius:10px;background:#1a1f2b}
.dblyf-nthumb img{width:100%;height:100%;object-fit:cover}
.dblyf-news h3{font-size:15px;line-height:1.5}
.dblyf-news p{margin-top:6px;font-size:12px;color:var(--teal)}

.dblyf-media{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dblyf-media li{padding:20px;border:1px solid var(--line);border-radius:var(--rad);background:var(--panel);transition:transform .2s,border-color .2s}
.dblyf-media li:hover{transform:translateY(-3px);border-color:rgba(242,181,60,.3)}
.dblyf-media span{font-size:12px;letter-spacing:.08em;color:var(--gold)}
.dblyf-media h3{font-size:16px;margin:8px 0}
.dblyf-media p{font-size:13px;color:var(--muted)}

.dblyf-split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.dblyf-split h2{font-size:clamp(22px,2.4vw,28px);line-height:1.3}
.dblyf-split > div > p{margin-top:14px;font-size:15px;color:var(--muted)}
.dblyf-dots{margin-top:20px;display:grid;gap:10px}
.dblyf-dots li{position:relative;padding-left:22px;font-size:14px;color:#cfd7e4}
.dblyf-dots li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;background:var(--teal)}
.dblyf-lang{display:grid;gap:12px}
.dblyf-lang li{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--panel);transition:border-color .2s}
.dblyf-lang li:hover{border-color:rgba(242,181,60,.35)}
.dblyf-lang span{font-size:15px;font-weight:600}
.dblyf-lang em{font-style:normal;font-size:13px;color:var(--muted);text-align:right}

.dblyf-guard{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dblyf-guard li{display:flex;align-items:flex-start;gap:12px;padding:18px;border:1px solid var(--line);border-radius:var(--rad);background:rgba(255,255,255,.02)}
.dblyf-guard i{flex:0 0 26px;height:26px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid rgba(95,207,192,.35);background:rgba(95,207,192,.15);color:var(--teal);font-size:13px;font-style:normal}
.dblyf-guard h3{font-size:15px}
.dblyf-guard p{margin-top:4px;font-size:13px;color:var(--muted)}

.dblyf-sub{padding:60px 0;border-top:1px solid var(--line);background:
  linear-gradient(180deg,rgba(10,12,17,.92),rgba(10,12,17,.96)),
  url("/assets/images/backpic/back-2.webp") center/cover no-repeat}
.dblyf-sub-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.dblyf-sub h2{font-size:clamp(21px,2.2vw,26px)}
.dblyf-sub p{margin-top:8px;font-size:14px;color:var(--muted)}
.dblyf-subform{display:flex;flex-wrap:wrap;gap:10px}
.dblyf-subform input{min-height:46px;min-width:260px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text);font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s}
.dblyf-subform input:focus{border-color:rgba(242,181,60,.6);box-shadow:0 0 0 3px rgba(242,181,60,.15)}
.dblyf-subform button{min-height:46px;padding:0 24px;border:0;border-radius:999px;background:linear-gradient(135deg,var(--gold),#d99420);color:#1a1206;font-weight:700;cursor:pointer;transition:transform .2s,box-shadow .2s}
.dblyf-subform button:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(242,181,60,.3)}

.dblyf-faqs{display:grid;gap:12px;max-width:900px}
.dblyf-faq{padding:0 18px;border:1px solid var(--line);border-radius:12px;background:var(--panel);transition:border-color .2s}
.dblyf-faq[open]{border-color:rgba(242,181,60,.35)}
.dblyf-faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding:16px 0;font-size:15px;font-weight:600;cursor:pointer;list-style:none}
.dblyf-faq summary::-webkit-details-marker{display:none}
.dblyf-faq summary::after{content:"+";color:var(--gold);font-size:18px;font-weight:400}
.dblyf-faq[open] summary::after{content:"−"}
.dblyf-faq p{padding-bottom:18px;font-size:14px;line-height:1.85;color:var(--muted)}

/* 页脚 */
.dblyf-foot{padding:52px 0 0;background:#080a0e;border-top:1px solid var(--line)}
.dblyf-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.dblyf-foot-name{font-size:17px;font-weight:700}
.dblyf-foot-brand p{margin-top:12px;max-width:34ch;font-size:14px;color:var(--muted)}
.dblyf-foot h2{margin-bottom:14px;font-size:14px;letter-spacing:.08em;color:#cdd5e2}
.dblyf-foot li{margin-bottom:6px}
.dblyf-foot li a,.dblyf-foot li span{font-size:14px;color:var(--muted);transition:color .2s}
.dblyf-foot li a{display:inline-flex;align-items:center;min-height:40px}
.dblyf-foot li a:hover{color:var(--gold)}
.dblyf-copy{padding:18px 0;border-top:1px solid var(--line);font-size:13px;color:#6f7a8c}

@media(max-width:1024px){
  .dblyf-hero-grid{grid-template-columns:1fr;gap:34px}
  .dblyf-four,.dblyf-guard{grid-template-columns:repeat(2,1fr)}
  .dblyf-week{grid-template-columns:repeat(4,1fr)}
  .dblyf-grid-6{grid-template-columns:repeat(3,minmax(0,1fr))}
  .dblyf-cats{grid-template-columns:repeat(2,1fr)}
  .dblyf-media{grid-template-columns:repeat(2,1fr)}
  .dblyf-feature{grid-template-columns:1fr}
  .dblyf-split{grid-template-columns:1fr;gap:28px}
  .dblyf-foot-grid{grid-template-columns:1fr 1fr}
  .dblyf-sec,.dblyf-band{padding:52px 0}
}
@media(max-width:768px){
  .dblyf-top .dblyf-wrap{flex-wrap:wrap;min-height:60px;padding-top:6px}
  .dblyf-nav{order:3;width:100%;margin-left:0;padding-bottom:8px}
  .dblyf-hero{padding:46px 0 44px}
  .dblyf-week{grid-template-columns:repeat(2,1fr)}
  .dblyf-grid-6{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dblyf-rank{grid-template-columns:1fr;gap:0}
  .dblyf-quotes,.dblyf-news{grid-template-columns:1fr}
  .dblyf-feature li{grid-template-columns:140px 1fr}
  .dblyf-sub-in{flex-direction:column;align-items:flex-start}
  .dblyf-subform{width:100%}
  .dblyf-subform input{flex:1 1 100%;min-width:0}
  .dblyf-subform button{width:100%}
}
@media(max-width:520px){
  body{font-size:15px}
  .dblyf-logo{font-size:16px}
  .dblyf-hero h1{font-size:32px}
  .dblyf-four,.dblyf-cats,.dblyf-guard,.dblyf-media{grid-template-columns:1fr}
  .dblyf-grid-6{gap:12px}
  .dblyf-feature li{grid-template-columns:1fr}
  .dblyf-fthumb{aspect-ratio:16/9}
  .dblyf-news li{flex-direction:column;align-items:flex-start}
  .dblyf-nthumb{flex:none;width:100%;height:150px}
  .dblyf-foot-grid{grid-template-columns:1fr;gap:22px}
  .dblyf-head p{font-size:14px}
}