/* roulang page: index */
:root{
  --a1:#2453d8;
  --a2:#ff6b3d;
  --bg0:#f5f7fc;
  --tx1:#141d2e;
  --tx2:#5c6a83;
  --ln:#e2e8f4;
  --rd:16px;
  --sd:0 8px 26px rgba(24,45,95,.08);
  --sp:clamp(40px,6vw,76px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:15px;line-height:1.7;background:var(--bg0);color:var(--tx1);-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,p{margin:0}
button,input{font:inherit;color:inherit}
section[id]{scroll-margin-top:76px}
.ytvtzyez-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 18px}

/* 顶栏 */
.ytvtzyez-top{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--ln)}
.ytvtzyez-topin{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;min-height:62px;padding-top:9px;padding-bottom:9px}
.ytvtzyez-logo{display:inline-flex;align-items:center;gap:9px;font-weight:800}
.ytvtzyez-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(140deg,var(--a1),#5b86ff);color:#fff;font-size:16px}
.ytvtzyez-brand{font-size:17px;letter-spacing:.02em}
.ytvtzyez-nav{display:flex;gap:2px;overflow-x:auto;width:100%;scrollbar-width:none;-ms-overflow-style:none}
.ytvtzyez-nav::-webkit-scrollbar{display:none}
.ytvtzyez-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border-radius:999px;white-space:nowrap;font-size:14px;color:var(--tx2);transition:color .18s,background .18s}
.ytvtzyez-nav a:hover{color:var(--a1);background:#eaf0ff}
.ytvtzyez-nav a:focus-visible{outline:2px solid var(--a1);outline-offset:2px}

/* 首屏 */
.ytvtzyez-hero{position:relative;padding:66px 0 58px;color:#fff;background:#101b34 url('/assets/images/backpic/back-1.webp') center/cover no-repeat;overflow:hidden}
.ytvtzyez-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(118deg,rgba(9,19,44,.94),rgba(9,19,44,.72) 55%,rgba(9,19,44,.42))}
.ytvtzyez-herobox{position:relative;z-index:1;max-width:720px}
.ytvtzyez-eyebrow{display:inline-block;padding:5px 13px;border:1px solid rgba(255,255,255,.38);border-radius:999px;font-size:12.5px;letter-spacing:.05em;color:#d8e2fb}
.ytvtzyez-h1{margin:16px 0 14px;font-size:clamp(26px,6vw,44px);line-height:1.22;font-weight:800;letter-spacing:.01em}
.ytvtzyez-herotext{font-size:15px;color:#d5e0f7;max-width:660px}
.ytvtzyez-find{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;padding:8px;background:#fff;border-radius:14px;box-shadow:0 14px 34px rgba(6,16,40,.28)}
.ytvtzyez-input{flex:1 1 190px;min-height:44px;padding:0 14px;border:0;border-radius:10px;background:transparent;font-size:15px;outline:none}
.ytvtzyez-input:focus-visible{outline:2px solid var(--a1);outline-offset:2px}
.ytvtzyez-btn{min-height:44px;padding:0 24px;border:0;border-radius:10px;background:var(--a1);color:#fff;font-weight:600;cursor:pointer;transition:background .18s,transform .18s}
.ytvtzyez-btn:hover{background:#1a3fb0;transform:translateY(-1px)}
.ytvtzyez-btn:focus-visible{outline:2px solid #fff;outline-offset:2px}
.ytvtzyez-herometa{display:flex;flex-wrap:wrap;gap:6px 20px;margin-top:18px;font-size:13px;color:#a9bbe0}
.ytvtzyez-herometa li{position:relative;padding-left:12px}
.ytvtzyez-herometa li::before{content:"";position:absolute;left:0;top:.68em;width:5px;height:5px;border-radius:50%;background:var(--a2)}

/* 通用板块 */
.ytvtzyez-sec{padding:var(--sp) 0}
.ytvtzyez-alt{background:#fff;border-top:1px solid var(--ln);border-bottom:1px solid var(--ln)}
.ytvtzyez-h2{font-size:clamp(21px,3.6vw,29px);font-weight:800;letter-spacing:.01em}
.ytvtzyez-h2::before{content:"";display:block;width:38px;height:4px;border-radius:2px;background:var(--a2);margin-bottom:12px}
.ytvtzyez-sub{margin-top:8px;font-size:14.5px;color:var(--tx2);max-width:720px}
.ytvtzyez-note{margin-top:16px;font-size:14px;color:var(--tx2)}

/* 读者困扰 */
.ytvtzyez-painlist{display:grid;gap:14px;margin-top:26px}
.ytvtzyez-painlist li{padding:18px 20px;background:#fff;border:1px solid var(--ln);border-radius:var(--rd);box-shadow:var(--sd)}
.ytvtzyez-painlist b{display:block;margin-bottom:6px;font-size:16px}
.ytvtzyez-painlist span{font-size:14px;color:var(--tx2)}

/* 分类频道 */
.ytvtzyez-cats{display:grid;gap:12px;margin-top:26px}
.ytvtzyez-cats li{padding:16px 18px;background:var(--bg0);border:1px solid var(--ln);border-radius:14px}
.ytvtzyez-catname{display:block;margin-bottom:5px;font-size:15px;font-weight:700;color:var(--a1)}
.ytvtzyez-catdesc{display:block;font-size:14px;color:var(--tx2)}

/* 卡片网格 */
.ytvtzyez-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:26px}
.ytvtzyez-card{overflow:hidden;background:#fff;border:1px solid var(--ln);border-radius:var(--rd);box-shadow:var(--sd);transition:transform .2s,box-shadow .2s}
.ytvtzyez-card:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(24,45,95,.15)}
.ytvtzyez-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#dfe6f5}
.ytvtzyez-thumb img{width:100%;height:100%;object-fit:cover}
.ytvtzyez-badge{position:absolute;left:8px;top:8px;padding:3px 9px;border-radius:999px;background:rgba(16,27,52,.8);color:#fff;font-size:11px;letter-spacing:.02em}
.ytvtzyez-score{position:absolute;right:8px;bottom:8px;padding:3px 8px;border-radius:8px;background:var(--a2);color:#fff;font-size:12px;font-weight:700}
.ytvtzyez-ct{padding:10px 10px 0;font-size:14px;font-weight:700}
.ytvtzyez-cd{padding:2px 10px 12px;font-size:13px;line-height:1.55;color:var(--tx2)}

/* 排行 */
.ytvtzyez-rank{display:grid;gap:9px;margin-top:26px}
.ytvtzyez-rank li{display:grid;grid-template-columns:30px 1fr auto;gap:12px;align-items:center;padding:11px 14px;background:#fff;border:1px solid var(--ln);border-radius:12px}
.ytvtzyez-num{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:#eef2fd;color:var(--a1);font-size:14px;font-weight:800}
.ytvtzyez-rank li:nth-child(-n+3) .ytvtzyez-num{background:var(--a1);color:#fff}
.ytvtzyez-rmain strong{display:block;font-size:15px}
.ytvtzyez-rmain em{display:block;font-style:normal;font-size:13px;color:var(--tx2)}
.ytvtzyez-rtag{padding:3px 10px;border-radius:999px;background:#eef2fd;color:var(--a1);font-size:12px;white-space:nowrap}

/* 阅读场景 */
.ytvtzyez-scenes{display:grid;gap:14px;margin-top:26px}
.ytvtzyez-scenes li{padding:16px 18px;background:#fff;border-left:4px solid var(--a2);border-radius:12px;box-shadow:var(--sd)}
.ytvtzyez-scenes h3{margin-bottom:6px;font-size:16px}
.ytvtzyez-scenes p{font-size:14px;color:var(--tx2)}

/* 主题合集 */
.ytvtzyez-topics{display:grid;gap:14px;margin-top:26px}
.ytvtzyez-topics li{padding:22px 20px;border-radius:var(--rd);background:linear-gradient(140deg,#101b34,#23386b);color:#fff}
.ytvtzyez-topics h3{margin-bottom:8px;font-size:17px}
.ytvtzyez-topics p{font-size:14px;color:#c2cfec}
.ytvtzyez-topics em{display:inline-block;margin-top:14px;padding:3px 11px;border:1px solid rgba(255,255,255,.26);border-radius:999px;font-style:normal;font-size:12px;color:#a7b9de}

/* 资讯 */
.ytvtzyez-news{display:grid;gap:12px;margin-top:26px}
.ytvtzyez-news li{display:grid;grid-template-columns:88px 1fr;gap:14px;align-items:center;padding:10px;background:#fff;border:1px solid var(--ln);border-radius:14px}
.ytvtzyez-nthumb{display:block;width:88px;height:66px;overflow:hidden;border-radius:10px;background:#e6ecf8}
.ytvtzyez-nthumb img{width:100%;height:100%;object-fit:cover}
.ytvtzyez-news h3{font-size:14.5px;line-height:1.5}
.ytvtzyez-news span{display:block;margin-top:4px;font-size:12.5px;color:var(--tx2)}

/* 问答 */
.ytvtzyez-faq{display:grid;gap:12px;margin-top:26px}
.ytvtzyez-faq li{padding:16px 18px;background:#fff;border:1px solid var(--ln);border-radius:14px}
.ytvtzyez-faq h3{margin-bottom:6px;font-size:15px}
.ytvtzyez-faq p{font-size:14px;color:var(--tx2)}

/* 收口 */
.ytvtzyez-cta{padding:clamp(44px,7vw,74px) 0;background:linear-gradient(125deg,#122a5c,#2453d8);color:#fff;text-align:center}
.ytvtzyez-cta h2{font-size:clamp(22px,4vw,30px);font-weight:800}
.ytvtzyez-cta p{max-width:620px;margin:10px auto 0;font-size:14.5px;color:#c6d4f4}
.ytvtzyez-cta .ytvtzyez-find{max-width:560px;margin:22px auto 0}

/* 页脚 */
.ytvtzyez-foot{padding-top:44px;background:#0d1730;color:#9fb0d0;font-size:14px}
.ytvtzyez-fcols{display:grid;gap:26px;padding-bottom:30px}
.ytvtzyez-foot h3{margin-bottom:10px;font-size:15px;color:#fff}
.ytvtzyez-foot a{display:inline-flex;align-items:center;min-height:44px;color:#9fb0d0;transition:color .18s}
.ytvtzyez-foot a:hover{color:#fff}
.ytvtzyez-fabout p{font-size:14px;line-height:1.8}
.ytvtzyez-fbot{padding:16px 0;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:13px;color:#8397bb}

@media (min-width:768px){
  .ytvtzyez-nav{width:auto;margin-left:auto}
  .ytvtzyez-painlist{grid-template-columns:repeat(3,1fr)}
  .ytvtzyez-cats{grid-template-columns:repeat(2,1fr)}
  .ytvtzyez-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .ytvtzyez-rank{grid-template-columns:repeat(2,1fr)}
  .ytvtzyez-scenes{grid-template-columns:repeat(3,1fr)}
  .ytvtzyez-topics{grid-template-columns:repeat(3,1fr)}
  .ytvtzyez-news{grid-template-columns:repeat(2,1fr)}
  .ytvtzyez-faq{grid-template-columns:repeat(2,1fr)}
  .ytvtzyez-fcols{grid-template-columns:1.4fr 1fr 1fr}
}
@media (min-width:1024px){
  .ytvtzyez-cats{grid-template-columns:repeat(3,1fr)}
  .ytvtzyez-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
  .ytvtzyez-hero{padding:88px 0 76px}
}
@media (min-width:520px){
  .ytvtzyez-cats{grid-template-columns:repeat(2,1fr)}
}