/* 德朋推广官网简介板块样式 - DEPENG STUDIO */
 :root{
    --bg:#0a0a0a;
    --bg2:#111113;
    --card:#141416;
    --line:rgba(255,255,255,.10);
    --txt:#f2f2f0;
    --muted:#a3a39e;
    --neon:#c8ff2e;
    --hot:#ff5c2b;
    --orange:#e8571a;
    --blue:#0d4a7a;
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    font-family:"Microsoft YaHei","PingFang SC","Segoe UI",system-ui,sans-serif;
    background:var(--bg);color:var(--txt);line-height:1.85;overflow-x:hidden;
  }
  body::after{
    content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
    background-image:
      linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
    background-size:56px 56px;
  }
  .wrap{max-width:1020px;margin:0 auto;padding:0 24px}
  .mono{font-family:Consolas,"Courier New",monospace}

  /* ===== 顶部导航 ===== */
  header{
    position:sticky;top:0;z-index:50;
    background:rgba(10,10,10,.85);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav{display:flex;align-items:center;justify-content:space-between;height:64px}
  .logo{font-size:18px;font-weight:900;letter-spacing:2px;display:flex;align-items:center;gap:10px;text-decoration:none}
  .logo .dot{width:9px;height:9px;border-radius:50%;background:var(--hot);box-shadow:0 0 10px var(--hot)}
  .logo em{font-style:normal;color:var(--neon);font-family:Consolas,monospace;font-size:12px;letter-spacing:3px;margin-left:2px}
  .logo em a{color:var(--neon);text-decoration:none}
  .nav-links{display:flex;gap:30px;font-size:14px;align-items:center}
  .nav-links a{color:var(--muted);text-decoration:none;transition:color .2s}
  .nav-links a:hover{color:var(--neon)}
  .nav-cta{
    border:1px solid var(--neon);color:var(--neon)!important;
    padding:8px 20px;border-radius:4px;letter-spacing:1px;transition:all .2s;
  }
  .nav-cta:hover{background:var(--neon);color:#0a0a0a!important}
  @media(max-width:900px){.nav-links{display:none}}

  /* ===== 简介正文 ===== */
  section.block{padding:88px 0 70px}
  .sec-head{margin-bottom:36px}
  .sec-kicker{color:var(--neon);font-size:12px;letter-spacing:3px;font-family:Consolas,monospace}
  .sec-head h2{font-size:clamp(24px,3.6vw,34px);font-weight:900;margin-top:8px;letter-spacing:1px}
  .sec-head h2 em{font-style:normal;color:var(--hot)}
  .intro-p{
    color:#cfcfca;font-size:16px;line-height:2.05;text-align:justify;
    margin-bottom:26px;
  }
  .intro-p b{color:var(--txt)}
  .intro-p .hl-g{color:var(--neon);font-weight:700}
  .intro-p .hl-o{color:var(--hot);font-weight:700}

  /* 六大板块 */
  .biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:34px 0 10px}
  .biz{
    background:var(--card);border:1px solid var(--line);border-radius:8px;
    padding:22px 20px;transition:transform .25s,border-color .25s;
  }
  .biz:hover{transform:translateY(-5px);border-color:var(--neon)}
  .biz .bi{font-size:26px}
  .biz h4{font-size:16.5px;font-weight:800;margin-top:10px}
  .biz p{color:var(--muted);font-size:13px;margin-top:6px;line-height:1.7}
  @media(max-width:760px){.biz-grid{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:520px){.biz-grid{grid-template-columns:1fr}}

  /* 技术实力要点 */
  .points{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:30px}
  .pt{
    background:var(--card);border:1px solid var(--line);border-radius:8px;padding:24px 22px;
    position:relative;
  }
  .pt .ck{color:var(--neon);font-weight:900;font-size:16px}
  .pt h4{font-size:15.5px;font-weight:800;margin-top:10px}
  .pt p{color:var(--muted);font-size:13px;margin-top:6px;line-height:1.75}

  /* 联系条 */
  .contact-strip{
    margin-top:10px;border-radius:10px;text-align:center;
    padding:clamp(36px,6vw,56px);
    background:
      radial-gradient(500px 260px at 15% 0%,rgba(232,87,26,.18),transparent 60%),
      radial-gradient(500px 260px at 85% 100%,rgba(200,255,46,.12),transparent 60%),
      var(--bg2);
    border:1px solid var(--line);
  }
  .contact-strip h2{font-size:clamp(22px,3.6vw,32px);font-weight:900}
  .contact-strip h2 em{font-style:normal;color:var(--neon)}
  .contact-strip p{color:var(--muted);margin-top:12px;font-size:14.5px}
  .cc-row{display:flex;justify-content:center;gap:18px;margin-top:32px;flex-wrap:wrap}
  .ccard{
    min-width:240px;background:rgba(255,255,255,.03);border:1px solid var(--line);
    border-radius:8px;padding:22px 30px;
  }
  .ccard .cl{font-size:11px;color:var(--muted);letter-spacing:3px;font-family:Consolas,monospace}
  .ccard .cv{font-size:18px;font-weight:800;margin-top:6px;word-break:break-all}
  .ccard .cv.tel{color:var(--neon)}
  .ccard .cv.wx{color:var(--hot)}
  .btn{
    display:inline-block;margin-top:36px;padding:13px 34px;border-radius:4px;
    background:var(--neon);color:#0a0a0a;font-size:15px;font-weight:800;
    text-decoration:none;letter-spacing:1px;box-shadow:0 0 22px rgba(200,255,46,.28);
    transition:transform .2s,box-shadow .2s;
  }
  .btn:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(200,255,46,.45)}

  footer{border-top:1px solid var(--line);padding:34px 0;text-align:center;color:var(--muted);font-size:13px}
  footer b{color:var(--txt)}
  footer .mono{color:var(--neon);font-size:11px;letter-spacing:3px;margin-top:6px}
  footer a{color:#c8ff2e;text-decoration:none}