:root{
  --bg:#eef4f5;
  --fg:#0f172a;
  --muted:#5b6b7b;
  --line:#cdd9dd;
  --accent:#0f172a;
  --accent-2:#14b8a6;
  --gap:32px;
  --radius:12px;
  --shadow:0 6px 18px rgba(15,23,42,.10);
  --font:"Segoe UI","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;font-family:"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--fg);line-height:1.7;font-size:15px;}
img{max-width:100%;display:block;height:auto;}
a{color:#0f766e;text-decoration:none;}
a:hover{text-decoration:underline;}
a:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;}
h1,h2,h3{font-family:"Segoe UI","Microsoft YaHei",sans-serif;font-weight:700;line-height:1.35;margin:0 0 12px;}
h1{font-size:34px;}
h2{font-size:24px;}
h3{font-size:18px;}
p{margin:0 0 14px;}
ul,ol{margin:0 0 14px;padding-left:20px;}
.htmlpgplayso-shell{max-width:1200px;margin:0 auto;padding:0 20px;}
.htmlpgplayso-header{background:#f7fbfb;border-bottom:2px solid var(--accent-2);position:sticky;top:0;z-index:20;}
.htmlpgplayso-header-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:10px 0;}
.htmlpgplayso-brand{font-size:18px;font-weight:700;color:var(--accent);}
.htmlpgplayso-brand a{color:var(--accent);}
.nav-links{display:flex;flex-wrap:wrap;gap:6px 14px;margin-left:auto;}
.nav-links a{font-size:15px;color:#1b2b3a;padding:4px 2px;border-bottom:2px solid transparent;}
.nav-links a:hover{color:#0f766e;border-bottom-color:var(--accent-2);text-decoration:none;}
.nav-links a:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;}
.htmlpgplayso-hero{background:linear-gradient(135deg,#0f172a 0%,#124a56 55%,#14b8a6 100%);color:#eaf6f5;padding:44px 0 32px;position:relative;overflow:hidden;}
.htmlpgplayso-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 22% 18%,rgba(20,184,166,.38),transparent 55%);pointer-events:none;}
.htmlpgplayso-hero-inner{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1;text-align:center;}
.htmlpgplayso-hero h1{color:#ffffff;margin-bottom:14px;}
.htmlpgplayso-hero-lead{max-width:720px;margin:0 auto 22px;font-size:18px;color:#d7ecea;text-align:left;}
.htmlpgplayso-hero-divider{border:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.78),transparent);max-width:720px;margin:0 auto 22px;}
.htmlpgplayso-hero-figure{margin:0 auto;max-width:560px;border-radius:var(--radius);overflow:hidden;box-shadow:0 10px 26px rgba(0,0,0,.35);}
.htmlpgplayso-hero-figure img{border-radius:var(--radius);}
.htmlpgplayso-main{padding:var(--gap) 20px 0;max-width:1200px;margin:0 auto;}
.htmlpgplayso-row{display:grid;grid-template-columns:58fr 42fr;gap:var(--gap);align-items:start;margin-bottom:var(--gap);}
.htmlpgplayso-row--reverse{grid-template-columns:42fr 58fr;}
.htmlpgplayso-row--faq{grid-template-columns:1fr 320px;}
.htmlpgplayso-block{background:#ffffff;border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;border:1px solid #e3edee;}
.htmlpgplayso-block h2{color:var(--accent);border-left:4px solid var(--accent-2);padding-left:10px;}
.htmlpgplayso-block p:last-child{margin-bottom:0;}
.htmlpgplayso-media{background:linear-gradient(160deg,#e3f2f0,#f7fbfb);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow);border:1px solid var(--line);margin:0;}
.htmlpgplayso-media img{border-radius:8px;}
.htmlpgplayso-media figcaption{font-size:13px;color:var(--muted);padding-top:8px;text-align:center;}
.htmlpgplayso-card{background:#ffffff;border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;border:1px solid #e2ecec;transition:transform .18s ease,box-shadow .18s ease;}
.htmlpgplayso-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(15,23,42,.15);}
.htmlpgplayso-card h3{font-size:18px;color:var(--accent);}
.htmlpgplayso-card p{font-size:15px;color:var(--muted);margin-bottom:0;}
.htmlpgplayso-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:16px 0 0;}
.htmlpgplayso-stat{background:linear-gradient(160deg,#0f172a,#14b8a6);color:#ffffff;border-radius:var(--radius);padding:16px;text-align:center;}
.htmlpgplayso-stat strong{display:block;font-size:24px;line-height:1.2;}
.htmlpgplayso-stat span{font-size:13px;color:#d6f0ec;}
.htmlpgplayso-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:15px;}
.htmlpgplayso-table th,.htmlpgplayso-table td{border:1px solid var(--line);padding:8px 10px;text-align:left;}
.htmlpgplayso-table thead th{background:#e6f3f2;color:var(--accent);font-weight:700;}
.htmlpgplayso-table tbody tr:nth-child(even){background:#f6fafa;}
.htmlpgplayso-table tbody tr:hover{background:#e8f6f4;}
.htmlpgplayso-news-block{background:#ffffff;border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-bottom:var(--gap);border:1px solid #e3edee;}
.htmlpgplayso-news-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:8px;}
.htmlpgplayso-news{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.htmlpgplayso-news-item{border:1px solid #e2ecec;border-radius:var(--radius);padding:14px;background:#fbfefe;transition:border-color .18s ease,transform .18s ease;}
.htmlpgplayso-news-item:hover{border-color:var(--accent-2);transform:translateY(-2px);}
.htmlpgplayso-news-item:nth-child(odd){background:#f7fcfc;}
.htmlpgplayso-news-item h3{font-size:18px;margin-bottom:8px;}
.htmlpgplayso-news-item h3 a{color:var(--accent);}
.htmlpgplayso-news-item h3 a:hover{color:#0f766e;text-decoration:none;}
.htmlpgplayso-date{font-size:13px;color:var(--muted);margin:0 0 8px;}
.htmlpgplayso-news-item details{margin-top:6px;}
.htmlpgplayso-news-item summary{cursor:pointer;font-size:14px;color:#0f766e;}
.htmlpgplayso-news-item summary:hover{text-decoration:underline;}
.htmlpgplayso-news-item details p{font-size:15px;margin-top:8px;color:#26374a;}
.htmlpgplayso-faq{width:320px;max-width:100%;background:#ffffff;border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;border:1px solid #e3edee;}
.htmlpgplayso-faq h2{font-size:24px;color:var(--accent);border-left:4px solid var(--accent-2);padding-left:10px;}
.htmlpgplayso-faq details{border-bottom:1px solid var(--line);padding:10px 0;}
.htmlpgplayso-faq details:last-child{border-bottom:0;}
.htmlpgplayso-faq summary{cursor:pointer;font-size:15px;font-weight:700;color:#12212f;}
.htmlpgplayso-faq summary:hover{color:#0f766e;}
.htmlpgplayso-faq p{font-size:14px;color:var(--muted);margin:8px 0 0;}
.htmlpgplayso-badge{display:inline-block;font-size:12px;padding:3px 8px;border-radius:999px;background:#e6f3f2;color:#0f766e;margin-bottom:8px;}
.htmlpgplayso-btn{display:inline-block;padding:9px 18px;border-radius:999px;background:linear-gradient(135deg,#0f172a,#14b8a6);color:#ffffff;font-size:15px;border:0;cursor:pointer;}
.htmlpgplayso-btn:hover{filter:brightness(1.12);text-decoration:none;}
.htmlpgplayso-btn:active{transform:translateY(1px);}
.htmlpgplayso-list li{margin-bottom:8px;}
.htmlpgplayso-list li::marker{color:var(--accent-2);}
.htmlpgplayso-muted{color:var(--muted);font-size:14px;}
.htmlpgplayso-footer{background:#0f172a;color:#cfe4e2;margin-top:var(--gap);padding:28px 0 18px;}
.htmlpgplayso-footer a{color:#8fe3d8;}
.htmlpgplayso-footer a:hover{color:#ffffff;}
.htmlpgplayso-footer-line{border-top:1px solid rgba(255,255,255,.15);margin:16px 0;}
.htmlpgplayso-footer p{font-size:14px;margin:4px 0;}
.htmlpgplayso-footnote{font-size:13px;color:#9fb6b4;}
@media (max-width:1024px){
  .htmlpgplayso-row,.htmlpgplayso-row--reverse{grid-template-columns:1fr;}
  .htmlpgplayso-row--faq{grid-template-columns:1fr;}
  .htmlpgplayso-news{grid-template-columns:repeat(2,1fr);}
  .htmlpgplayso-faq{width:100%;}
  .htmlpgplayso-main{padding:24px 16px 0;}
  .htmlpgplayso-hero-lead{text-align:center;}
}
@media (max-width:720px){
  h1{font-size:24px;}
  h2{font-size:20px;}
  .htmlpgplayso-hero{padding:30px 0 22px;}
  .htmlpgplayso-news{grid-template-columns:1fr;}
  .htmlpgplayso-stats-grid{grid-template-columns:1fr;}
  .nav-links{width:100%;margin-left:0;}
  .htmlpgplayso-faq{width:100%;}
  .htmlpgplayso-block{padding:18px;}
}