/* roulang page: index */
:root{
  --inkA:#0f1c30;
  --inkB:#5b6d87;
  --paleA:#f5f8fe;
  --paleB:#ffffff;
  --blueKey:#1c5cd6;
  --blueLite:#3f8cff;
  --lineC:#e2ebf8;
  --radS:12px;
  --radL:22px;
  --shA:0 6px 18px rgba(18,44,88,.06);
  --shB:0 18px 46px rgba(18,44,88,.14);
  --gapS:16px;
  --gapM:28px;
  --gapL:70px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px;
  line-height:1.75;
  color:var(--inkA);
  background:var(--paleA);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
figure{margin:0}
ul,ol{list-style:none;margin:0;padding:0}

.dvtxhm-wrap{width:min(1180px,calc(100% - 48px));margin:0 auto}

/* 顶栏 */
.dvtxhm-head{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--lineC);
}
.dvtxhm-headbar{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px}
.dvtxhm-brand{display:inline-flex;align-items:center;gap:11px;min-height:44px}
.dvtxhm-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 42px;
  background:linear-gradient(135deg,var(--blueKey),var(--blueLite));
  color:#fff;font-weight:800;font-size:18px;
  display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(28,92,214,.32);
}
.dvtxhm-name{font-size:17px;font-weight:800;letter-spacing:.5px;color:var(--inkA)}
.dvtxhm-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.dvtxhm-nav a{
  display:inline-flex;align-items:center;min-height:44px;
  padding:0 14px;border-radius:10px;
  font-size:15px;color:var(--inkB);
  transition:color .18s,background .18s;
}
.dvtxhm-nav a:hover{color:var(--blueKey);background:#eef4ff}
.dvtxhm-nav a:focus-visible{outline:2px solid var(--blueLite);outline-offset:2px}

/* Hero */
.dvtxhm-hero{position:relative;background:#0a1526;color:#fff;padding:66px 0 78px;overflow:hidden}
.dvtxhm-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.22;
}
.dvtxhm-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 18% 28%,rgba(28,92,214,.42),transparent 58%),
    linear-gradient(180deg,rgba(10,21,38,.35),rgba(10,21,38,.92));
}
.dvtxhm-hero-in{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:46px;align-items:center}
.dvtxhm-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  color:#dbe8ff;font-size:13px;letter-spacing:.6px;
}
.dvtxhm-h1{font-size:clamp(30px,4.2vw,46px);margin:18px 0 12px;letter-spacing:1px}
.dvtxhm-h1 em{font-style:normal;color:#8fbcff}
.dvtxhm-lead{color:#a9c3e8;font-size:16px;margin-bottom:14px}
.dvtxhm-hero-text{color:#c4d5ee;font-size:15.5px;line-height:1.85;margin-bottom:26px;max-width:58ch}
.dvtxhm-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:26px}
.dvtxhm-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:46px;padding:0 26px;border-radius:12px;
  font-size:15px;font-weight:700;letter-spacing:.5px;
  background:linear-gradient(135deg,var(--blueKey),var(--blueLite));
  color:#fff;box-shadow:0 10px 24px rgba(28,92,214,.34);
  transition:transform .18s,box-shadow .18s;
}
.dvtxhm-btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(28,92,214,.42)}
.dvtxhm-btn:focus-visible{outline:2px solid #fff;outline-offset:3px}
.dvtxhm-btn-ghost{
  background:transparent;color:#e7efff;
  border:1px solid rgba(255,255,255,.42);box-shadow:none;
}
.dvtxhm-btn-ghost:hover{background:rgba(255,255,255,.1);box-shadow:none}
.dvtxhm-meta{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:13.5px;color:#a9c3e8}
.dvtxhm-meta li{position:relative;padding-left:15px}
.dvtxhm-meta li::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:#4d8cf0;
}

/* Hero 卡片堆叠 */
.dvtxhm-stack{position:relative;height:480px}
.dvtxhm-stack figure{position:absolute;border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.16)}
.dvtxhm-stack img{width:100%;height:100%;object-fit:cover}
.dvtxhm-stack-main{
  left:0;top:6%;width:56%;height:88%;
  box-shadow:0 26px 52px rgba(0,0,0,.5);
}
.dvtxhm-stack-a{right:0;top:0;width:40%;height:56%;box-shadow:0 18px 38px rgba(0,0,0,.42)}
.dvtxhm-stack-b{right:6%;bottom:0;width:40%;height:56%;box-shadow:0 18px 38px rgba(0,0,0,.42)}
.dvtxhm-cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 12px 10px;
  background:linear-gradient(180deg,transparent,rgba(6,14,26,.9));
  display:flex;justify-content:space-between;align-items:baseline;gap:6px;
  font-size:13px;color:#fff;
}
.dvtxhm-cap span{font-size:11.5px;color:#9fc0ee}

/* 通用板块 */
.dvtxhm-sec{padding:var(--gapL) 0}
.dvtxhm-band{
  background:var(--paleB);
  box-shadow:inset 0 1px 0 var(--lineC),inset 0 -1px 0 var(--lineC);
}
.dvtxhm-sec-head{max-width:760px;margin-bottom:34px}
.dvtxhm-h2{font-size:clamp(22px,2.4vw,30px);letter-spacing:.8px;margin-bottom:12px}
.dvtxhm-sub{font-size:15px;color:var(--inkB);line-height:1.85}

/* 亮点 */
.dvtxhm-feats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gapS)}
.dvtxhm-feat{
  background:var(--paleB);border:1px solid var(--lineC);border-radius:var(--radS);
  padding:24px 22px;box-shadow:var(--shA);transition:transform .2s,box-shadow .2s;
}
.dvtxhm-feat:hover{transform:translateY(-3px);box-shadow:var(--shB)}
.dvtxhm-feat-no{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:#eaf2ff;color:var(--blueKey);font-weight:800;font-size:14px;margin-bottom:14px;
}
.dvtxhm-feat h3{font-size:16.5px;margin-bottom:8px}
.dvtxhm-feat p{font-size:14px;color:var(--inkB)}

/* 题材频道 */
.dvtxhm-chans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.dvtxhm-chan{
  background:var(--paleB);border:1px solid var(--lineC);border-radius:var(--radS);
  padding:22px;box-shadow:var(--shA);
}
.dvtxhm-chan h3{font-size:16px;margin-bottom:6px;color:var(--blueKey)}
.dvtxhm-chan p{font-size:14px;color:var(--inkB)}

/* 场景矩阵 */
.dvtxhm-scenes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gapS)}
.dvtxhm-scene{
  background:linear-gradient(165deg,#eef4ff,#ffffff);
  border:1px solid var(--lineC);border-radius:var(--radL);
  padding:24px 22px;box-shadow:var(--shA);
}
.dvtxhm-scene h3{font-size:16px;margin-bottom:8px}
.dvtxhm-scene p{font-size:14px;color:var(--inkB)}

/* 海报卡 */
.dvtxhm-posters{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:18px}
.dvtxhm-posters-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.dvtxhm-pcard{
  background:var(--paleB);border:1px solid var(--lineC);border-radius:var(--radS);
  overflow:hidden;box-shadow:var(--shA);
  transition:transform .2s,box-shadow .2s;
}
.dvtxhm-pcard:hover{transform:translateY(-4px);box-shadow:var(--shB)}
.dvtxhm-thumb{position:relative;aspect-ratio:2/3;overflow:hidden;background:#dce6f5}
.dvtxhm-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.dvtxhm-pcard:hover .dvtxhm-thumb img{transform:scale(1.06)}
.dvtxhm-badge{
  position:absolute;top:8px;left:8px;
  background:rgba(8,20,38,.8);color:#fff;
  font-size:12px;padding:3px 8px;border-radius:6px;letter-spacing:.3px;
}
.dvtxhm-score{
  position:absolute;right:8px;bottom:8px;
  background:linear-gradient(135deg,#ff9a3c,#ff7a18);
  color:#fff;font-size:12px;font-weight:800;
  padding:3px 8px;border-radius:6px;
}
.dvtxhm-pmeta{padding:11px 12px 13px}
.dvtxhm-pname{font-size:14.5px;font-weight:700;margin-bottom:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dvtxhm-ptype{font-size:12.5px;color:var(--inkB)}

/* 榜单 */
.dvtxhm-ranks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 22px}
.dvtxhm-rank{
  display:flex;align-items:center;gap:14px;
  background:var(--paleB);border:1px solid var(--lineC);border-radius:var(--radS);
  padding:12px 16px;box-shadow:var(--shA);
}
.dvtxhm-no{
  flex:0 0 30px;width:30px;height:30px;border-radius:9px;
  background:#eaf2ff;color:var(--blueKey);font-weight:800;font-size:13px;
  display:grid;place-items:center;
}
.dvtxhm-no-top{background:linear-gradient(135deg,var(--blueKey),var(--blueLite));color:#fff}
.dvtxhm-rtitle{font-size:15px;font-weight:700}
.dvtxhm-rmeta{margin-left:auto;font-size:12.5px;color:var(--inkB);text-align:right}

/* 高分 */
.dvtxhm-highs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.dvtxhm-hi{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--paleB);border:1px solid var(--lineC);border-radius:14px;
  padding:18px 20px;box-shadow:var(--shA);
}
.dvtxhm-hinum{
  flex:0 0 52px;font-size:22px;font-weight:800;color:var(--blueLite);line-height:1.2;
}
.dvtxhm-hitxt h3{font-size:15.5px;margin-bottom:5px}
.dvtxhm-hitxt p{font-size:13.5px;color:var(--inkB)}

/* 主题片单 */
.dvtxhm-special{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dvtxhm-spcard{
  background:linear-gradient(160deg,#eef4ff,#ffffff 65%);
  border:1px solid var(--lineC);border-radius:var(--radL);
  padding:26px;box-shadow:var(--shA);
}
.dvtxhm-spcard h3{font-size:18px;margin-bottom:10px}
.dvtxhm-spcard p{font-size:14px;color:var(--inkB);margin-bottom:16px}
.dvtxhm-spcard .dvtxhm-chip{background:#e6efff;border-color:#d3e2fb;color:var(--blueKey)}

/* 时间轴 */
.dvtxhm-timeline{
  padding-left:26px;border-left:2px dashed #cfdff5;
  display:grid;gap:24px;
}
.dvtxhm-tl{position:relative}
.dvtxhm-tl::before{
  content:"";position:absolute;left:-33px;top:7px;
  width:12px;height:12px;border-radius:50%;
  background:var(--blueLite);box-shadow:0 0 0 4px #e8f1ff;
}
.dvtxhm-tl-when{font-size:13px;font-weight:800;color:var(--blueKey);letter-spacing:.5px}
.dvtxhm-tl h3{font-size:16.5px;margin:5px 0 6px}
.dvtxhm-tl p{font-size:14px;color:var(--inkB)}

/* 多端对比 */
.dvtxhm-compare{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dvtxhm-col{
  background:var(--paleB);border:1px solid var(--lineC);border-radius:var(--radL);
  padding:26px;box-shadow:var(--shA);
}
.dvtxhm-col-mid{border-color:#bcd4f8;box-shadow:var(--shB)}
.dvtxhm-col h3{font-size:17px;margin-bottom:6px}
.dvtxhm-col .dvtxhm-ptype{display:block;margin-bottom:14px}
.dvtxhm-col li{
  position:relative;padding-left:20px;font-size:14px;color:var(--inkB);margin-bottom:9px;
}
.dvtxhm-col li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--blueLite);font-weight:800;font-size:13px;
}

/* 口碑 */
.dvtxhm-quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.dvtxhm-quote{
  background:var(--paleB);border:1px solid var(--lineC);border-radius:var(--radL);
  padding:22px;box-shadow:var(--shA);font-size:14px;
}
.dvtxhm-who{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--inkB)}
.dvtxhm-ava{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;
  background:linear-gradient(135deg,#d9e7ff,#eef4ff);
  color:var(--blueKey);font-weight:800;font-size:13px;
  display:grid;place-items:center;
}

/* 资讯 */
.dvtxhm-news{
  background:var(--paleB);border:1px solid var(--lineC);border-radius:var(--radL);
  overflow:hidden;box-shadow:var(--shA);
}
.dvtxhm-news li{
  display:flex;align-items:center;gap:16px;
  padding:16px 24px;border-bottom:1px solid var(--lineC);font-size:15px;
}
.dvtxhm-news li:last-child{border-bottom:0}
.dvtxhm-newstag{
  flex:0 0 auto;font-size:12px;padding:3px 10px;border-radius:6px;
  background:#eaf2ff;color:var(--blueKey);
}
.dvtxhm-newstime{margin-left:auto;flex:0 0 auto;font-size:13px;color:var(--inkB)}

/* 问答 */
.dvtxhm-faq{display:grid;gap:14px}
.dvtxhm-qa{
  background:var(--paleB);border:1px solid var(--lineC);border-radius:14px;
  padding:20px 24px;box-shadow:var(--shA);
}
.dvtxhm-qa h3{font-size:15.5px;margin-bottom:8px;color:var(--inkA)}
.dvtxhm-qa p{font-size:14px;color:var(--inkB);line-height:1.85}

/* 收口 */
.dvtxhm-cta{
  position:relative;border-radius:var(--radL);overflow:hidden;
  padding:52px 44px;color:#fff;
  background:linear-gradient(120deg,#0d1f3c,#1c5cd6 78%);
}
.dvtxhm-cta::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-4.webp") center/cover no-repeat;
  opacity:.18;
}
.dvtxhm-cta-in{position:relative;z-index:2;max-width:640px}
.dvtxhm-cta h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:12px;letter-spacing:.8px}
.dvtxhm-cta p{font-size:15px;color:#c9dbf6;margin-bottom:24px;line-height:1.85}
.dvtxhm-btn-light{background:#fff;color:var(--blueKey);box-shadow:0 10px 24px rgba(0,0,0,.24)}
.dvtxhm-btn-light:hover{box-shadow:0 14px 30px rgba(0,0,0,.3)}

/* 页脚 */
.dvtxhm-foot{background:#0a1526;color:#c1d2ea;padding:58px 0 0}
.dvtxhm-footgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:38px}
.dvtxhm-foot-tag{font-size:18px;font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:.6px}
.dvtxhm-foot h4{font-size:15px;color:#fff;margin-bottom:14px}
.dvtxhm-foot ul{display:grid;gap:4px;font-size:14px}
.dvtxhm-foot li{color:#a8bcda}
.dvtxhm-foot a{display:inline-block;padding:6px 0;transition:color .18s}
.dvtxhm-foot a:hover{color:#fff}
.dvtxhm-foot a:focus-visible{outline:2px solid var(--blueLite);outline-offset:2px}
.dvtxhm-foot-about p{font-size:14px;line-height:1.85;color:#a8bcda}
.dvtxhm-copy{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0 22px;font-size:13px;color:#8ea4c4;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}

@media (max-width:1024px){
  .dvtxhm-hero-in{grid-template-columns:1fr;gap:38px}
  .dvtxhm-stack{height:430px;max-width:540px;margin:0 auto;width:100%}
  .dvtxhm-feats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dvtxhm-chans{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dvtxhm-scenes{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dvtxhm-posters{grid-template-columns:repeat(3,minmax(0,1fr))}
  .dvtxhm-posters-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dvtxhm-special{grid-template-columns:1fr}
  .dvtxhm-quotes{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dvtxhm-footgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dvtxhm-sec{padding:56px 0}
}
@media (max-width:768px){
  .dvtxhm-headbar{flex-wrap:wrap;padding:10px 0;gap:6px}
  .dvtxhm-nav{
    width:100%;flex-wrap:nowrap;overflow-x:auto;
    -webkit-overflow-scrolling:touch;padding-bottom:4px;
  }
  .dvtxhm-nav a{white-space:nowrap;padding:0 12px;font-size:14.5px}
  .dvtxhm-stack{height:370px}
  .dvtxhm-hero{padding:46px 0 58px}
  .dvtxhm-posters{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dvtxhm-ranks{grid-template-columns:1fr}
  .dvtxhm-highs{grid-template-columns:1fr}
  .dvtxhm-compare{grid-template-columns:1fr}
  .dvtxhm-quotes{grid-template-columns:1fr}
  .dvtxhm-cta{padding:40px 26px}
  .dvtxhm-news li{flex-wrap:wrap;gap:8px 12px;font-size:14.5px}
  .dvtxhm-newstime{margin-left:0;width:100%}
}
@media (max-width:520px){
  .dvtxhm-wrap{width:calc(100% - 32px)}
  body{font-size:14.5px}
  .dvtxhm-h1{font-size:27px;letter-spacing:.5px}
  .dvtxhm-lead{font-size:15px}
  .dvtxhm-hero-text{font-size:14.5px}
  .dvtxhm-stack{height:300px}
  .dvtxhm-feats{grid-template-columns:1fr}
  .dvtxhm-chans{grid-template-columns:1fr}
  .dvtxhm-scenes{grid-template-columns:1fr}
  .dvtxhm-actions .dvtxhm-btn{flex:1 1 100%}
  .dvtxhm-footgrid{grid-template-columns:1fr;gap:26px}
  .dvtxhm-sec{padding:44px 0}
  .dvtxhm-sec-head{margin-bottom:24px}
  .dvtxhm-cap{font-size:12px;padding:22px 10px 9px}
}