/* roulang page: index */
:root{
  --vn-ink:#111c31;
  --vn-sub:#5d6d88;
  --vn-line:#e2e9f6;
  --vn-bg:#f5f8fd;
  --vn-paper:#ffffff;
  --vn-brand:#1c53c9;
  --vn-brand2:#ef5f8a;
  --vn-soft:#e9f0ff;
  --vn-r:16px;
  --vn-r2:10px;
  --vn-shadow:0 10px 28px rgba(23,52,110,.08);
  --vn-shadow2:0 18px 42px rgba(23,52,110,.14);
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--vn-bg);color:var(--vn-ink);font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--vn-brand2);outline-offset:3px}
.vnmbon-wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* 顶栏 */
.vnmbon-top{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--vn-line)}
.vnmbon-topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.vnmbon-brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.vnmbon-mark{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--vn-brand),#4d86ff);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:700;box-shadow:0 6px 16px rgba(28,83,201,.28)}
.vnmbon-name{font-size:19px;font-weight:700;letter-spacing:.02em}
.vnmbon-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.vnmbon-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 15px;border-radius:999px;font-size:15px;color:var(--vn-sub);transition:background .2s,color .2s}
.vnmbon-nav a:hover{color:var(--vn-brand);background:var(--vn-soft)}
.vnmbon-nav a.is-on{color:#fff;background:var(--vn-brand)}

/* 首屏 */
.vnmbon-hero{padding:clamp(34px,5.5vw,78px) 0 clamp(38px,5.5vw,76px);background:linear-gradient(180deg,#eaf1fd 0%,#f6f9fe 62%,var(--vn-bg) 100%);overflow:hidden}
.vnmbon-heroGrid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,58px);align-items:center}
.vnmbon-kicker{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--vn-brand);background:var(--vn-soft);border-radius:999px;padding:6px 13px}
.vnmbon-hero h1{margin:18px 0 0;font-size:clamp(28px,3.5vw,46px);line-height:1.3;letter-spacing:-.01em}
.vnmbon-hl{display:block;color:var(--vn-brand);position:relative}
.vnmbon-hl::after{content:"";position:absolute;left:2px;right:auto;width:78%;height:10px;bottom:5px;background:rgba(239,95,138,.22);border-radius:6px;z-index:-1}
.vnmbon-lead{margin-top:16px;font-size:clamp(17px,1.6vw,20px);font-weight:600;color:#28374f}
.vnmbon-text{margin-top:12px;color:var(--vn-sub);font-size:15px;max-width:33em}
.vnmbon-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.vnmbon-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:12px;background:var(--vn-brand);color:#fff;font-weight:600;font-size:15px;box-shadow:0 12px 26px rgba(28,83,201,.26);transition:transform .2s,box-shadow .2s,background .2s}
.vnmbon-btn:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(28,83,201,.32)}
.vnmbon-btn--ghost{background:transparent;color:var(--vn-brand);border:1px solid #c6d8f8;box-shadow:none}
.vnmbon-btn--ghost:hover{background:#fff;box-shadow:var(--vn-shadow)}
.vnmbon-kpis{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;padding-top:24px;border-top:1px dashed #cfdcf2}
.vnmbon-kpis li{display:flex;flex-direction:column}
.vnmbon-kpis strong{font-size:16px;color:var(--vn-ink)}
.vnmbon-kpis span{font-size:13px;color:var(--vn-sub)}
.vnmbon-heroArt{position:relative;padding:16px}
.vnmbon-heroArt::before{content:"";position:absolute;inset:0;border-radius:28px;background:linear-gradient(135deg,#d9e5ff,#ffe2ea);transform:rotate(2.6deg)}
.vnmbon-heroArt img{position:relative;z-index:1;width:100%;height:clamp(280px,42vw,450px);object-fit:cover;border-radius:22px;box-shadow:0 26px 60px rgba(23,52,110,.24);transform:rotate(-2deg)}
.vnmbon-float{position:absolute;z-index:2;left:-4px;bottom:22px;background:#fff;color:var(--vn-brand);font-size:13px;font-weight:600;padding:10px 16px;border-radius:999px;box-shadow:var(--vn-shadow2)}

/* 通用板块 */
.vnmbon-sec{padding:clamp(40px,6vw,76px) 0}
.vnmbon-sec--w{background:var(--vn-paper)}
.vnmbon-head{max-width:820px;margin-bottom:clamp(22px,3vw,36px)}
.vnmbon-head h2{font-size:clamp(22px,2.5vw,31px);line-height:1.32;letter-spacing:-.01em}
.vnmbon-head p{margin-top:12px;color:var(--vn-sub);font-size:15px}
.vnmbon-head h2 em{font-style:normal;color:var(--vn-brand)}

/* 分类频道 */
.vnmbon-chans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.vnmbon-chan{background:var(--vn-paper);border:1px solid var(--vn-line);border-radius:var(--vn-r);padding:22px;box-shadow:var(--vn-shadow);transition:transform .22s,border-color .22s}
.vnmbon-chan:hover{transform:translateY(-3px);border-color:#c9d9f8}
.vnmbon-chan h3{display:flex;align-items:center;gap:9px;font-size:17px}
.vnmbon-chan h3::before{content:"";width:6px;height:18px;border-radius:3px;background:linear-gradient(180deg,var(--vn-brand),var(--vn-brand2))}
.vnmbon-chan p{margin-top:9px;color:var(--vn-sub);font-size:14px}

/* 价值点 */
.vnmbon-perks{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.vnmbon-perk{background:var(--vn-paper);border:1px solid var(--vn-line);border-radius:var(--vn-r);padding:24px 20px;box-shadow:var(--vn-shadow)}
.vnmbon-perk b{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;background:var(--vn-soft);color:var(--vn-brand);font-size:15px}
.vnmbon-perk h3{margin-top:14px;font-size:16px}
.vnmbon-perk p{margin-top:8px;color:var(--vn-sub);font-size:14px}

/* 更新节奏 */
.vnmbon-days{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.vnmbon-day{background:var(--vn-paper);border:1px solid var(--vn-line);border-radius:var(--vn-r);padding:20px;box-shadow:var(--vn-shadow)}
.vnmbon-day strong{display:inline-block;font-size:13px;font-weight:600;color:var(--vn-brand);background:var(--vn-soft);border-radius:999px;padding:4px 11px}
.vnmbon-day h3{margin-top:12px;font-size:16px}
.vnmbon-day p{margin-top:6px;color:var(--vn-sub);font-size:14px}

/* 精选卡片墙 */
.vnmbon-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.vnmbon-card{background:var(--vn-paper);border:1px solid var(--vn-line);border-radius:var(--vn-r);overflow:hidden;box-shadow:var(--vn-shadow);transition:transform .22s,box-shadow .22s}
.vnmbon-card:hover{transform:translateY(-4px);box-shadow:var(--vn-shadow2)}
.vnmbon-thumb{position:relative;aspect-ratio:3/4;background:#dfe7f5;overflow:hidden}
.vnmbon-thumb img{width:100%;height:100%;object-fit:cover}
.vnmbon-badge{position:absolute;top:10px;left:10px;background:rgba(17,28,49,.78);color:#fff;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;backdrop-filter:blur(4px)}
.vnmbon-badge--hot{background:rgba(239,95,138,.92)}
.vnmbon-cardBody{padding:13px 15px 16px}
.vnmbon-cardBody h3{font-size:16px;line-height:1.45}
.vnmbon-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:7px;font-size:14px;color:var(--vn-sub)}
.vnmbon-score{color:var(--vn-brand2);font-weight:700}

/* 排行 */
.vnmbon-board{display:grid;grid-template-columns:1fr 1fr;gap:0 44px}
.vnmbon-board li{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:14px;padding:14px 0;border-bottom:1px dashed #d9e3f4}
.vnmbon-rank{font-size:19px;font-weight:800;color:#c2d1ea;font-variant-numeric:tabular-nums}
.vnmbon-board li:nth-child(-n+3) .vnmbon-rank{color:var(--vn-brand2)}
.vnmbon-board h3{font-size:16px}
.vnmbon-board p{font-size:14px;color:var(--vn-sub);margin-top:2px}
.vnmbon-tag{font-size:13px;color:var(--vn-brand);background:var(--vn-soft);border-radius:999px;padding:4px 11px;white-space:nowrap}

/* 专题合集 */
.vnmbon-topics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.vnmbon-topic{position:relative;display:flex;align-items:flex-end;min-height:250px;border-radius:var(--vn-r);overflow:hidden;box-shadow:var(--vn-shadow2);color:#fff}
.vnmbon-topic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.vnmbon-topic::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,18,38,.04) 30%,rgba(9,18,38,.82))}
.vnmbon-topic div{position:relative;z-index:1;padding:22px}
.vnmbon-topic h3{font-size:19px}
.vnmbon-topic p{margin-top:8px;font-size:14px;color:#dbe4f4}

/* 资讯 */
.vnmbon-news{display:grid;gap:16px}
.vnmbon-news li{display:grid;grid-template-columns:150px 1fr;gap:0;background:var(--vn-paper);border:1px solid var(--vn-line);border-radius:var(--vn-r);overflow:hidden;box-shadow:var(--vn-shadow);transition:transform .2s}
.vnmbon-news li:hover{transform:translateX(4px)}
.vnmbon-news img{width:100%;height:100%;min-height:104px;object-fit:cover}
.vnmbon-news div{padding:16px 20px}
.vnmbon-news h3{font-size:16px}
.vnmbon-news p{margin-top:5px;font-size:14px;color:var(--vn-sub)}
.vnmbon-time{display:inline-block;margin-top:8px;font-size:13px;color:var(--vn-brand);background:var(--vn-soft);border-radius:999px;padding:2px 10px}

/* 口碑 */
.vnmbon-voices{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.vnmbon-voice{background:var(--vn-paper);border:1px solid var(--vn-line);border-radius:var(--vn-r);padding:24px;box-shadow:var(--vn-shadow)}
.vnmbon-voice p{font-size:15px;color:#2b3a52}
.vnmbon-voice span{display:block;margin-top:14px;font-size:14px;color:var(--vn-sub)}

/* 保障带 */
.vnmbon-band{background:linear-gradient(135deg,#122a56,#1c53c9);color:#fff}
.vnmbon-band .vnmbon-head h2{color:#fff}
.vnmbon-band .vnmbon-head p{color:#c6d6f5}
.vnmbon-guard{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.vnmbon-guard li{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:var(--vn-r);padding:20px}
.vnmbon-guard h3{font-size:16px;color:#fff}
.vnmbon-guard p{margin-top:7px;font-size:14px;color:#cddaf6}

/* 问答 */
.vnmbon-faq{display:grid;gap:12px;max-width:920px}
.vnmbon-faq details{background:var(--vn-paper);border:1px solid var(--vn-line);border-radius:var(--vn-r2);padding:0 18px;box-shadow:var(--vn-shadow)}
.vnmbon-faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;padding:14px 0;font-size:16px;font-weight:600;cursor:pointer;list-style:none}
.vnmbon-faq summary::-webkit-details-marker{display:none}
.vnmbon-faq summary::after{content:"+";color:var(--vn-brand);font-size:21px;line-height:1}
.vnmbon-faq details[open] summary::after{content:"–"}
.vnmbon-faq p{padding:0 0 18px;font-size:15px;color:var(--vn-sub)}

/* 订阅 */
.vnmbon-sub{display:grid;grid-template-columns:1.15fr 1fr;gap:30px;align-items:center;background:linear-gradient(135deg,#14336e,#1c53c9);border-radius:22px;padding:clamp(26px,4vw,46px);color:#fff}
.vnmbon-sub h2{font-size:clamp(21px,2.3vw,28px)}
.vnmbon-sub p{margin-top:12px;font-size:15px;color:#cddbf7}
.vnmbon-form{display:flex;flex-wrap:wrap;gap:10px}
.vnmbon-form input{flex:1 1 210px;min-height:50px;border:0;border-radius:12px;padding:0 16px;font-size:15px;color:#0f1c33;background:#fff}
.vnmbon-form button{min-height:50px;border:0;border-radius:12px;padding:0 26px;background:#fff;color:var(--vn-brand);font-weight:700;font-size:15px;cursor:pointer;transition:transform .2s}
.vnmbon-form button:hover{transform:translateY(-2px)}
.vnmbon-note{margin-top:12px;font-size:13px;color:#b9cbec}

/* 页脚 */
.vnmbon-foot{background:#0d1b33;color:#c3cfe4;margin-top:clamp(40px,6vw,72px)}
.vnmbon-footGrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding:clamp(36px,5vw,58px) 0 34px}
.vnmbon-foot h4{color:#fff;font-size:15px;margin-bottom:12px}
.vnmbon-foot p{font-size:14px;line-height:1.9;color:#9db0cf}
.vnmbon-foot li{font-size:14px;line-height:2.1;color:#9db0cf}
.vnmbon-foot a:hover{color:#fff}
.vnmbon-copy{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;font-size:13px;color:#8398ba}

@media (max-width:1024px){
  .vnmbon-heroGrid{grid-template-columns:1fr 1fr}
  .vnmbon-chans{grid-template-columns:repeat(2,1fr)}
  .vnmbon-perks{grid-template-columns:repeat(2,1fr)}
  .vnmbon-grid{grid-template-columns:repeat(3,1fr)}
  .vnmbon-days{grid-template-columns:repeat(2,1fr)}
  .vnmbon-guard{grid-template-columns:repeat(2,1fr)}
  .vnmbon-voices{grid-template-columns:1fr 1fr}
  .vnmbon-topics{grid-template-columns:1fr 1fr}
  .vnmbon-footGrid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .vnmbon-topbar{flex-wrap:wrap;padding:10px 0 6px}
  .vnmbon-nav{width:100%;flex-wrap:nowrap;overflow-x:auto;gap:2px;padding-bottom:4px}
  .vnmbon-nav a{padding:0 12px;font-size:14px;white-space:nowrap}
  .vnmbon-heroGrid{grid-template-columns:1fr;gap:30px}
  .vnmbon-heroArt{padding:10px}
  .vnmbon-heroArt img{height:clamp(230px,56vw,340px)}
  .vnmbon-kpis{gap:18px}
  .vnmbon-kpis li{flex:1 1 90px}
  .vnmbon-board{grid-template-columns:1fr}
  .vnmbon-topics{grid-template-columns:1fr}
  .vnmbon-topic{min-height:210px}
  .vnmbon-news li{grid-template-columns:110px 1fr}
  .vnmbon-sub{grid-template-columns:1fr}
  .vnmbon-voices{grid-template-columns:1fr}
  .vnmbon-footGrid{grid-template-columns:1fr 1fr;gap:22px}
}
@media (max-width:520px){
  body{font-size:15px}
  .vnmbon-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .vnmbon-chans,.vnmbon-perks,.vnmbon-days,.vnmbon-guard{grid-template-columns:1fr}
  .vnmbon-cardBody{padding:11px 12px 14px}
  .vnmbon-cardBody h3{font-size:15px}
  .vnmbon-meta{font-size:14px}
  .vnmbon-cta .vnmbon-btn{width:100%}
  .vnmbon-board li{grid-template-columns:36px 1fr;gap:10px}
  .vnmbon-board .vnmbon-tag{display:none}
  .vnmbon-news li{grid-template-columns:88px 1fr}
  .vnmbon-news div{padding:12px 14px}
  .vnmbon-footGrid{grid-template-columns:1fr}
}