/* roulang page: index */
:root{
  --vv-a:#ff4d6d;
  --vv-b:#ffc76b;
  --vv-bg:#0b0e13;
  --vv-tx:#edf1f7;
  --vv-mu:#96a2b6;
  --vv-bd:#242c39;
  --vv-rd:16px;
  --vv-sh:0 14px 34px rgba(0,0,0,.38);
  --vv-gp:28px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{margin:0;background:var(--vv-bg);color:var(--vv-tx);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
.aiyebpgf-inner{width:min(1180px,100% - 40px);margin:0 auto}

/* 顶栏 */
.aiyebpgf-top{position:sticky;top:0;z-index:60;background:rgba(11,14,19,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--vv-bd)}
.aiyebpgf-head{display:flex;align-items:center;gap:20px;min-height:68px}
.aiyebpgf-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.aiyebpgf-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--vv-a),var(--vv-b));display:grid;place-items:center;color:#190a0e;font-size:18px;font-weight:800}
.aiyebpgf-name{font-size:17px;font-weight:700;letter-spacing:.4px;white-space:nowrap}
.aiyebpgf-nav{margin-left:auto;display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none}
.aiyebpgf-nav::-webkit-scrollbar{display:none}
.aiyebpgf-nav a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:10px;font-size:14.5px;color:var(--vv-mu);white-space:nowrap;transition:color .2s,background .2s}
.aiyebpgf-nav a:hover{color:var(--vv-tx);background:#1b222c}
.aiyebpgf-nav a.aiyebpgf-cta{background:var(--vv-a);color:#180a0e;font-weight:700;padding:0 18px;margin-left:8px}
.aiyebpgf-nav a.aiyebpgf-cta:hover{background:#ff6484;color:#180a0e}

/* 首屏 */
.aiyebpgf-hero{position:relative;overflow:hidden;display:flex;align-items:center;min-height:560px;padding:84px 0 92px}
.aiyebpgf-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45;z-index:0}
.aiyebpgf-hero::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(96deg,rgba(11,14,19,.97) 8%,rgba(11,14,19,.82) 48%,rgba(11,14,19,.42) 100%)}
.aiyebpgf-hero-in{position:relative;z-index:2;max-width:770px}
.aiyebpgf-tag{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--vv-b);border:1px solid rgba(255,199,107,.35);background:rgba(255,199,107,.09);padding:6px 15px;border-radius:999px;margin-bottom:20px}
.aiyebpgf-hero h1{font-size:clamp(30px,5vw,52px);letter-spacing:1px}
.aiyebpgf-hero h1 em{font-style:normal;background:linear-gradient(92deg,var(--vv-a),var(--vv-b));-webkit-background-clip:text;background-clip:text;color:transparent}
.aiyebpgf-hero p{margin-top:18px;max-width:640px;color:#b9c4d4;font-size:15.5px}
.aiyebpgf-search{display:flex;gap:10px;margin-top:28px;max-width:540px;background:#151b24;border:1px solid var(--vv-bd);border-radius:14px;padding:8px;box-shadow:var(--vv-sh)}
.aiyebpgf-search input{flex:1;min-width:0;min-height:44px;background:transparent;border:0;outline:none;padding:0 12px;font-size:15px}
.aiyebpgf-search input::placeholder{color:#6d7a8d}
.aiyebpgf-search button{border:0;cursor:pointer;min-height:44px;padding:0 24px;border-radius:10px;background:var(--vv-a);color:#180a0e;font-weight:700;font-size:15px;transition:background .2s}
.aiyebpgf-search button:hover{background:#ff6484}
.aiyebpgf-search button:focus-visible,.aiyebpgf-nav a:focus-visible,.aiyebpgf-btn:focus-visible{outline:2px solid var(--vv-b);outline-offset:2px}

/* 区块骨架 */
.aiyebpgf-sec{padding:66px 0;border-top:1px solid var(--vv-bd)}
.aiyebpgf-alt{background:#0e131a}
.aiyebpgf-st{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:30px}
.aiyebpgf-st h2{font-size:25px;letter-spacing:.5px}
.aiyebpgf-st p{margin-top:8px;max-width:660px;color:var(--vv-mu);font-size:14.5px}
.aiyebpgf-st span{font-size:13px;color:var(--vv-b);letter-spacing:1px;white-space:nowrap}

/* 分类频道 */
.aiyebpgf-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.aiyebpgf-cats li{background:#141a23;border:1px solid var(--vv-bd);border-radius:14px;padding:22px 20px;transition:border-color .2s,transform .2s}
.aiyebpgf-cats li:hover{border-color:#3a4459;transform:translateY(-3px)}
.aiyebpgf-cats b{display:block;font-size:16px;margin-bottom:8px}
.aiyebpgf-cats b::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--vv-a);margin-right:9px;vertical-align:2px}
.aiyebpgf-cats p{color:var(--vv-mu);font-size:14px}

/* 卡片网格 */
.aiyebpgf-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.aiyebpgf-card{background:#141a23;border:1px solid var(--vv-bd);border-radius:var(--vv-rd);overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
.aiyebpgf-card:hover{transform:translateY(-4px);border-color:#3a4459;box-shadow:var(--vv-sh)}
.aiyebpgf-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0a0d12}
.aiyebpgf-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.aiyebpgf-card:hover .aiyebpgf-thumb img{transform:scale(1.06)}
.aiyebpgf-badge{position:absolute;left:10px;top:10px;font-size:12px;padding:3px 10px;border-radius:999px;background:rgba(11,14,19,.8);border:1px solid rgba(255,255,255,.14);color:#e8eef7;backdrop-filter:blur(4px)}
.aiyebpgf-score{position:absolute;right:10px;bottom:10px;font-size:13px;font-weight:800;padding:3px 9px;border-radius:8px;background:var(--vv-b);color:#231604}
.aiyebpgf-cb{padding:16px 18px 20px}
.aiyebpgf-cb h3{font-size:17px;margin-bottom:6px}
.aiyebpgf-cb p{color:var(--vv-mu);font-size:14px;line-height:1.7}

/* 榜单 */
.aiyebpgf-rank{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}
.aiyebpgf-rank li{display:flex;align-items:center;gap:12px;padding:12px 15px;border-radius:12px;background:#141a23;border:1px solid var(--vv-bd);transition:background .2s,transform .2s}
.aiyebpgf-rank li:hover{background:#18202b;transform:translateX(3px)}
.aiyebpgf-no{flex:0 0 auto;width:30px;height:30px;display:grid;place-items:center;border-radius:9px;background:#1e2733;color:var(--vv-mu);font-size:14px;font-weight:700}
.aiyebpgf-rank li:nth-child(-n+3) .aiyebpgf-no{background:var(--vv-a);color:#180a0e}
.aiyebpgf-rk-t{font-size:15px;font-weight:600;white-space:nowrap}
.aiyebpgf-rk-c{flex:0 0 auto;font-size:12px;color:var(--vv-b);border:1px solid rgba(255,199,107,.3);border-radius:999px;padding:1px 9px}
.aiyebpgf-rk-d{margin-left:auto;font-size:13.5px;color:var(--vv-mu);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 主题片单 */
.aiyebpgf-topic{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.aiyebpgf-topic article{background:linear-gradient(155deg,#1a2230,#11161f);border:1px solid var(--vv-bd);border-radius:var(--vv-rd);padding:26px 24px;transition:transform .2s,border-color .2s}
.aiyebpgf-topic article:hover{transform:translateY(-4px);border-color:#3a4459}
.aiyebpgf-topic span{display:block;font-size:12.5px;letter-spacing:2px;color:var(--vv-b);margin-bottom:10px}
.aiyebpgf-topic h3{font-size:19px;margin-bottom:10px}
.aiyebpgf-topic p{color:var(--vv-mu);font-size:14px}

/* 保障 */
.aiyebpgf-kit{display:flex;flex-wrap:wrap;gap:16px}
.aiyebpgf-kit li{flex:1 1 220px;background:#121821;border:1px dashed #2c3646;border-radius:14px;padding:20px}
.aiyebpgf-kit b{display:block;font-size:15.5px;margin-bottom:6px}
.aiyebpgf-kit p{color:var(--vv-mu);font-size:14px}

/* 问答 */
.aiyebpgf-faq details{background:#141a23;border:1px solid var(--vv-bd);border-radius:12px;padding:0 18px;margin-bottom:12px}
.aiyebpgf-faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:44px;padding:14px 0;font-weight:600;font-size:15.5px}
.aiyebpgf-faq summary::-webkit-details-marker{display:none}
.aiyebpgf-faq summary::after{content:"+";color:var(--vv-a);font-size:20px;line-height:1}
.aiyebpgf-faq details[open] summary::after{content:"–"}
.aiyebpgf-faq p{padding-bottom:16px;color:var(--vv-mu);font-size:14.5px}

/* 收口 */
.aiyebpgf-cta{padding:76px 0;text-align:center;border-top:1px solid var(--vv-bd);background:radial-gradient(680px 260px at 50% 0%,rgba(255,77,109,.17),transparent 70%),#0e131a}
.aiyebpgf-cta h2{font-size:26px;margin-bottom:14px}
.aiyebpgf-cta p{max-width:560px;margin:0 auto 26px;color:var(--vv-mu);font-size:15px}
.aiyebpgf-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 30px;border-radius:12px;background:var(--vv-a);color:#180a0e;font-weight:700;font-size:15px;transition:transform .2s,box-shadow .2s,background .2s}
.aiyebpgf-btn:hover{background:#ff6484;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,77,109,.32)}

/* 页脚 */
.aiyebpgf-foot{background:#080a0e;border-top:1px solid var(--vv-bd);padding:56px 0 26px}
.aiyebpgf-fgrid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px}
.aiyebpgf-fbrand{font-size:17px;font-weight:700;margin-bottom:12px}
.aiyebpgf-fdesc{color:var(--vv-mu);font-size:14px;max-width:330px}
.aiyebpgf-fcol h3{font-size:14.5px;color:var(--vv-tx);margin-bottom:12px}
.aiyebpgf-fcol a{display:inline-flex;align-items:center;min-height:34px;font-size:14px;color:var(--vv-mu);transition:color .2s}
.aiyebpgf-fcol a:hover{color:var(--vv-a)}
.aiyebpgf-fcol li{display:block}
.aiyebpgf-copy{margin-top:36px;padding-top:20px;border-top:1px solid var(--vv-bd);color:#6d7a8d;font-size:13px;text-align:center}

/* 断点 */
@media (max-width:1024px){
  .aiyebpgf-hero{min-height:auto;padding:68px 0 74px}
  .aiyebpgf-grid{grid-template-columns:repeat(2,1fr)}
  .aiyebpgf-cats{grid-template-columns:repeat(2,1fr)}
  .aiyebpgf-topic{grid-template-columns:1fr 1fr}
  .aiyebpgf-fgrid{grid-template-columns:1fr 1fr;gap:26px}
  .aiyebpgf-sec{padding:56px 0}
}
@media (max-width:768px){
  .aiyebpgf-name{font-size:15.5px}
  .aiyebpgf-rank{grid-template-columns:1fr}
  .aiyebpgf-topic{grid-template-columns:1fr}
  .aiyebpgf-st h2{font-size:22px}
  .aiyebpgf-hero h1{font-size:30px}
  .aiyebpgf-rk-d{font-size:13px}
}
@media (max-width:520px){
  .aiyebpgf-inner{width:min(1180px,100% - 28px)}
  .aiyebpgf-head{min-height:60px;gap:10px}
  .aiyebpgf-mark{width:32px;height:32px;font-size:16px}
  .aiyebpgf-nav a{padding:0 9px;font-size:13.5px}
  .aiyebpgf-nav a.aiyebpgf-cta{padding:0 12px;margin-left:4px}
  .aiyebpgf-grid{grid-template-columns:1fr}
  .aiyebpgf-cats{grid-template-columns:1fr}
  .aiyebpgf-fgrid{grid-template-columns:1fr}
  .aiyebpgf-search{flex-wrap:wrap}
  .aiyebpgf-search button{width:100%}
  .aiyebpgf-hero{padding:52px 0 58px}
  .aiyebpgf-hero p{font-size:14.5px}
  .aiyebpgf-sec{padding:46px 0}
  .aiyebpgf-rk-d{display:none}
  .aiyebpgf-cta{padding:56px 0}
  .aiyebpgf-cta h2{font-size:22px}
}