/* roulang page: index */
:root{
  --sky:#2160d8;
  --sky-deep:#0f2a5e;
  --sun:#f4b71a;
  --paper:#f4f7fd;
  --card:#ffffff;
  --ink:#14233c;
  --ink2:#5b6a85;
  --line:#e3eaf5;
  --rad:18px;
  --rad-s:12px;
  --sh1:0 6px 20px rgba(22,48,96,.07);
  --sh2:0 16px 40px rgba(22,48,96,.15);
  --wrap:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -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:3px solid rgba(33,96,216,.45);outline-offset:2px;}

.tnbuxa-wrap{width:min(var(--wrap),94%);margin-inline:auto;}

/* 顶栏 */
.tnbuxa-top{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.tnbuxa-top-inner{display:flex;align-items:center;gap:18px;min-height:68px;}
.tnbuxa-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.2px;white-space:nowrap;}
.tnbuxa-brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--sky),#4a8bf8);
  color:#fff;display:grid;place-items:center;font-size:16px;
  box-shadow:var(--sh1);
}
.tnbuxa-brand-text{color:var(--ink);}
.tnbuxa-nav{margin-left:auto;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;}
.tnbuxa-nav::-webkit-scrollbar{display:none;}
.tnbuxa-nav a{
  display:inline-flex;align-items:center;min-height:44px;padding:0 14px;
  border-radius:10px;font-size:15px;color:var(--ink2);white-space:nowrap;
  transition:background .2s,color .2s;
}
.tnbuxa-nav a:hover{background:#eef4ff;color:var(--sky);}

/* 首屏 */
.tnbuxa-hero{position:relative;overflow:hidden;background:var(--sky-deep);color:#fff;}
.tnbuxa-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;}
.tnbuxa-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(9,26,58,.95) 0%,rgba(15,48,110,.82) 52%,rgba(26,70,158,.48) 100%);
}
.tnbuxa-hero-inner{position:relative;z-index:2;padding:76px 0 66px;max-width:760px;}
.tnbuxa-hero h1{font-size:clamp(28px,4vw,46px);line-height:1.24;letter-spacing:.5px;}
.tnbuxa-hero h1 em{font-style:normal;color:var(--sun);}
.tnbuxa-hero-sub{margin-top:14px;font-size:17px;color:#cfe0ff;font-weight:500;}
.tnbuxa-hero-lead{margin-top:16px;font-size:15.5px;color:#b9ccef;line-height:1.85;}
.tnbuxa-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.tnbuxa-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 26px;border-radius:12px;
  font-weight:600;font-size:16px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s,box-shadow .18s,background .18s;
}
.tnbuxa-btn-main{background:var(--sun);color:#2a1e00;box-shadow:0 10px 24px rgba(244,183,26,.32);}
.tnbuxa-btn-main:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(244,183,26,.42);}
.tnbuxa-btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.tnbuxa-btn-line:hover{background:rgba(255,255,255,.14);}
.tnbuxa-ticker{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tnbuxa-ticker li{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;font-size:14px;color:#e6efff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
}
.tnbuxa-ticker li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--sun);flex:0 0 auto;}

/* 板块 */
.tnbuxa-sec{padding:66px 0;}
.tnbuxa-sec-white{background:#fff;}
.tnbuxa-sec-dark{background:linear-gradient(158deg,#0d2350,#1a4aa8);color:#eaf1ff;position:relative;overflow:hidden;}
.tnbuxa-sec-dark::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.16;
}
.tnbuxa-sec-dark > .tnbuxa-wrap{position:relative;z-index:2;}
.tnbuxa-head{max-width:740px;margin-bottom:34px;}
.tnbuxa-kicker{display:inline-block;font-size:13px;letter-spacing:2px;color:var(--sky);font-weight:700;margin-bottom:10px;}
.tnbuxa-sec-dark .tnbuxa-kicker{color:var(--sun);}
.tnbuxa-head h2{font-size:clamp(21px,2.4vw,29px);line-height:1.35;letter-spacing:.3px;}
.tnbuxa-head p{margin-top:12px;color:var(--ink2);font-size:15px;}
.tnbuxa-sec-dark .tnbuxa-head p{color:#c3d5f6;}

/* 卡片网格 */
.tnbuxa-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.tnbuxa-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--rad);
  padding:14px;box-shadow:var(--sh1);
  transition:transform .2s,box-shadow .2s;
}
.tnbuxa-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.tnbuxa-poster{position:relative;border-radius:var(--rad-s);overflow:hidden;aspect-ratio:3/4;background:#e9eff9;}
.tnbuxa-poster img{width:100%;height:100%;object-fit:cover;}
.tnbuxa-badge{
  position:absolute;left:10px;top:10px;padding:4px 10px;border-radius:999px;
  background:rgba(9,26,58,.74);color:#fff;font-size:12px;letter-spacing:.3px;
}
.tnbuxa-score{
  position:absolute;right:10px;bottom:10px;padding:3px 10px;border-radius:999px;
  background:var(--sun);color:#2a1e00;font-size:12.5px;font-weight:700;
}
.tnbuxa-card h3{margin:14px 2px 6px;font-size:16.5px;line-height:1.45;}
.tnbuxa-meta{margin:0 2px;font-size:13.5px;color:var(--ink2);}

/* 分类频道 */
.tnbuxa-tagwall{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;}
.tnbuxa-tag{background:#fff;border:1px solid var(--line);border-radius:var(--rad-s);padding:20px;box-shadow:var(--sh1);}
.tnbuxa-tag b{display:inline-block;font-size:15px;padding:4px 12px;border-radius:999px;background:#eef4ff;color:var(--sky);margin-bottom:10px;}
.tnbuxa-tag p{font-size:14px;color:var(--ink2);}

/* 榜单 */
.tnbuxa-rank{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 26px;counter-reset:rk;}
.tnbuxa-rank li{
  counter-increment:rk;
  display:grid;grid-template-columns:40px 1fr auto;align-items:center;gap:12px;
  padding:10px 14px;min-height:56px;border-radius:12px;
  background:#fff;border:1px solid var(--line);transition:border-color .2s,box-shadow .2s;
}
.tnbuxa-rank li:hover{border-color:#bcd2f6;box-shadow:var(--sh1);}
.tnbuxa-rank .num{font-weight:800;font-size:16px;color:var(--sky);text-align:center;font-variant-numeric:tabular-nums;}
.tnbuxa-rank .num::before{content:counter(rk,decimal-leading-zero);}
.tnbuxa-rank li:nth-child(-n+3) .num{color:#c98a00;}
.tnbuxa-rank h3{font-size:15.5px;font-weight:600;}
.tnbuxa-rank .tag{font-size:12.5px;color:var(--ink2);white-space:nowrap;}

/* 双栏列表 */
.tnbuxa-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.tnbuxa-col{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:24px;box-shadow:var(--sh1);}
.tnbuxa-col h3{font-size:17px;margin-bottom:8px;}
.tnbuxa-col > p{font-size:14px;color:var(--ink2);margin-bottom:12px;}
.tnbuxa-list li{padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink2);}
.tnbuxa-list li:last-child{border-bottom:0;padding-bottom:0;}
.tnbuxa-list strong{color:var(--ink);font-weight:600;margin-right:8px;}

/* 口碑 */
.tnbuxa-quote{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;}
.tnbuxa-quote li{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--sun);
  border-radius:var(--rad-s);padding:18px 20px;box-shadow:var(--sh1);
}
.tnbuxa-quote h3{font-size:16px;margin-bottom:6px;}
.tnbuxa-quote span{display:inline-block;font-size:13px;font-weight:700;color:#c98a00;margin-right:8px;}
.tnbuxa-quote p{font-size:14px;color:var(--ink2);}

/* 主题片单 */
.tnbuxa-theme{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;}
.tnbuxa-theme li{
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.09);
  border-radius:var(--rad);padding:22px;
  transition:background .2s,transform .2s;
}
.tnbuxa-theme li:hover{background:rgba(255,255,255,.16);transform:translateY(-3px);}
.tnbuxa-theme h3{font-size:17px;margin-bottom:8px;color:#fff;}
.tnbuxa-theme p{font-size:14px;color:#c3d5f6;}
.tnbuxa-theme .count{display:inline-block;margin-top:12px;font-size:12.5px;color:var(--sun);border:1px solid rgba(244,183,26,.5);border-radius:999px;padding:2px 10px;}

/* 资讯 */
.tnbuxa-news li{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;padding:18px 0;border-bottom:1px solid var(--line);}
.tnbuxa-news li:last-child{border-bottom:0;}
.tnbuxa-news .when{font-size:13px;color:var(--sky);background:#eef4ff;padding:3px 12px;border-radius:999px;white-space:nowrap;}
.tnbuxa-news h3{font-size:16px;line-height:1.5;}
.tnbuxa-news p{font-size:14px;color:var(--ink2);margin-top:4px;}

/* 问答 */
.tnbuxa-faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--rad-s);
  padding:14px 20px;margin-bottom:12px;box-shadow:var(--sh1);
}
.tnbuxa-faq summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;
  gap:14px;min-height:44px;font-weight:600;font-size:16px;
}
.tnbuxa-faq summary::-webkit-details-marker{display:none;}
.tnbuxa-faq summary::after{content:"+";color:var(--sky);font-size:20px;line-height:1;}
.tnbuxa-faq details[open] summary::after{content:"–";}
.tnbuxa-faq p{margin-top:8px;color:var(--ink2);font-size:15px;}

/* 保障条 */
.tnbuxa-guard{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px;}
.tnbuxa-guard li{background:#fff;border:1px solid var(--line);border-radius:var(--rad-s);padding:20px;box-shadow:var(--sh1);}
.tnbuxa-guard .dot{
  width:34px;height:34px;border-radius:10px;background:#eef4ff;color:var(--sky);
  display:grid;place-items:center;font-weight:700;margin-bottom:12px;
}
.tnbuxa-guard h3{font-size:15.5px;margin-bottom:6px;}
.tnbuxa-guard p{font-size:14px;color:var(--ink2);}

/* 订阅 */
.tnbuxa-sub{
  background:linear-gradient(118deg,#e8f0ff,#f7fbff);
  border:1px solid #d5e3fa;border-radius:24px;padding:38px;
}
.tnbuxa-sub h2{font-size:clamp(20px,2.2vw,26px);}
.tnbuxa-sub p{margin-top:12px;font-size:15px;color:var(--ink2);max-width:660px;}
.tnbuxa-sub-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.tnbuxa-sub-form input{
  flex:1 1 260px;min-height:50px;border-radius:12px;border:1px solid #cfdef6;
  background:#fff;padding:0 16px;color:var(--ink);
}
.tnbuxa-sub-form input:focus{border-color:var(--sky);outline:none;box-shadow:0 0 0 3px rgba(33,96,216,.15);}

/* 页脚 */
.tnbuxa-foot{background:#0d1d3a;color:#c3d3ee;padding:56px 0 26px;}
.tnbuxa-foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.tnbuxa-foot h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600;}
.tnbuxa-foot li{padding:6px 0;font-size:14px;}
.tnbuxa-foot a:hover{color:#fff;}
.tnbuxa-foot p{font-size:14px;color:#9fb4d8;}
.tnbuxa-copy{
  margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13.5px;color:#8fa5c8;
}

@media (max-width:1024px){
  .tnbuxa-hero-inner{padding:60px 0 54px;}
  .tnbuxa-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .tnbuxa-rank{grid-template-columns:1fr;}
  .tnbuxa-foot-grid{grid-template-columns:1fr 1fr;}
  .tnbuxa-sec{padding:56px 0;}
}
@media (max-width:768px){
  .tnbuxa-top-inner{flex-wrap:wrap;min-height:0;padding:10px 0;gap:6px;}
  .tnbuxa-nav{width:100%;margin-left:0;}
  .tnbuxa-nav a{padding:0 12px;font-size:14px;}
  .tnbuxa-hero-inner{padding:52px 0 48px;}
  .tnbuxa-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .tnbuxa-two{grid-template-columns:1fr;}
  .tnbuxa-news li{grid-template-columns:1fr;gap:8px;}
  .tnbuxa-sub{padding:26px;}
  .tnbuxa-foot{padding:44px 0 22px;}
}
@media (max-width:520px){
  .tnbuxa-sec{padding:44px 0;}
  .tnbuxa-hero h1{font-size:27px;}
  .tnbuxa-hero-sub{font-size:15px;}
  .tnbuxa-hero-lead{font-size:14.5px;}
  .tnbuxa-btn{width:100%;}
  .tnbuxa-card{padding:10px;}
  .tnbuxa-card h3{font-size:15px;}
  .tnbuxa-meta{font-size:12.5px;}
  .tnbuxa-tagwall{grid-template-columns:1fr;}
  .tnbuxa-guard{grid-template-columns:1fr;}
  .tnbuxa-foot-grid{grid-template-columns:1fr;}
}