/* huaweinova.digital · light · hn */
:root{
  --hn-bg0:#f0fdfa;--hn-bg1:#ffffff;--hn-text:#134e4a;--hn-muted:#5b7a76;
  --hn-accent:#0f766e;--hn-accent2:#0d9488;--hn-ok:#15803d;--hn-card:#ffffff;
  --hn-line:rgba(19,78,74,.12);--hn-radius:14px;
  --hn-max:720px;
  --hn-font:"Outfit",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;font-family:var(--hn-font);color:var(--hn-text);
background:radial-gradient(900px 420px at 12% -8%, rgba(15,118,110,.12), transparent 55%), radial-gradient(650px 360px at 100% 0%, rgba(20,184,166,.08), transparent 50%),linear-gradient(180deg,var(--hn-bg0),var(--hn-bg1) 48%,var(--hn-bg0));line-height:1.55}
a{color:var(--hn-accent2)}
.hn-shell{width:min(100% - 2rem,var(--hn-max));margin-inline:auto}
.hn-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.1rem 0 .35rem;flex-wrap:wrap}
.hn-logo{display:inline-flex;align-items:center;gap:.65rem;text-decoration:none;color:var(--hn-text);font-weight:700;letter-spacing:-.02em}
.hn-logo img{width:36px;height:36px}
.hn-nav{display:flex;gap:.9rem;align-items:center;font-size:.9rem}
.hn-nav a{color:var(--hn-muted);text-decoration:none;font-weight:600}
.hn-nav a:hover{color:var(--hn-accent)}
.hn-tag{font-size:.84rem;color:var(--hn-muted)}
.hn-hero{padding:2rem 0 1.3rem}
.hn-hero h1{margin:0 0 .7rem;font-size:clamp(1.7rem,4.6vw,2.4rem);line-height:1.12;letter-spacing:-.03em;font-weight:800}
.hn-hero p{margin:0 0 1.2rem;color:var(--hn-muted);font-size:1.05rem;max-width:36rem}
.hn-actions{display:flex;flex-wrap:wrap;gap:.65rem}
.hn-btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;min-height:48px;padding:.72rem 1.15rem;border-radius:999px;border:1px solid transparent;text-decoration:none;font-weight:700;font-size:.96rem}
.hn-btn--main{background:linear-gradient(135deg,var(--hn-accent),var(--hn-accent2));color:#fff;box-shadow:0 8px 22px color-mix(in srgb,var(--hn-accent) 28%,transparent)}
.hn-btn--soft{background:var(--hn-card);color:var(--hn-text);border-color:var(--hn-line)}
.hn-btn--line{background:transparent;color:var(--hn-muted);border-color:var(--hn-line)}
.hn-rail{padding:.3rem 0 2rem}
.hn-rail-label{margin:0 0 .85rem;font-size:1.1rem;font-weight:700}
.hn-stack{display:grid;gap:.9rem}
.hn-card{padding:1.1rem 1.15rem;border:1px solid var(--hn-line);border-radius:var(--hn-radius);background:var(--hn-card);box-shadow:0 1px 0 rgba(0,0,0,.02);border-left:3px solid var(--hn-accent)}
.hn-card-top{display:flex;align-items:center;gap:.75rem;margin-bottom:.5rem}
.hn-badge{flex:0 0 auto;width:2rem;height:2rem;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:.92rem;color:#fff;background:var(--hn-accent)}
.hn-card h2{margin:0;font-size:1.12rem}
.hn-card p{margin:0 0 .75rem;color:var(--hn-muted);font-size:.97rem}
.hn-card ol{margin:0 0 .85rem;padding-left:1.15rem}
.hn-note{margin:.7rem 0 0;font-size:.86rem;color:var(--hn-muted)}
.hn-aside{padding:0 0 1.6rem}
.hn-aside-box{padding:1.05rem 1.15rem;border-radius:0 var(--hn-radius) var(--hn-radius) 0;border-left:3px solid var(--hn-accent);background:color-mix(in srgb,var(--hn-accent) 8%,#fff)}
.hn-aside-box h2{margin:0 0 .35rem;font-size:1.02rem}
.hn-aside-box p{margin:0;color:var(--hn-muted);font-size:.94rem}
.hn-faq{padding:0 0 2rem}
.hn-faq h2{margin:0 0 .65rem;font-size:1.12rem}
.hn-faq details{border-bottom:1px solid var(--hn-line);padding:.75rem 0}
.hn-faq summary{cursor:pointer;font-weight:600;list-style:none}
.hn-faq summary::-webkit-details-marker{display:none}
.hn-faq summary::before{content:"+";display:inline-block;width:1.15rem;color:var(--hn-accent2);font-weight:800}
.hn-faq details[open] summary::before{content:"–"}
.hn-faq details p{margin:.45rem 0 0;color:var(--hn-muted);font-size:.94rem}
.hn-arts{padding:0 0 2rem}
.hn-arts h2{margin:0 0 .4rem;font-size:1.15rem}
.hn-arts-lead{margin:0 0 1rem;color:var(--hn-muted);font-size:.95rem}
.hn-art-grid{display:grid;gap:.7rem}
.hn-art-link{display:block;padding:.95rem 1rem;border:1px solid var(--hn-line);border-radius:var(--hn-radius);background:var(--hn-card);text-decoration:none;color:var(--hn-text)}
.hn-art-link strong{display:block;margin-bottom:.2rem}
.hn-art-link span{color:var(--hn-muted);font-size:.9rem}
.hn-end{padding:1.3rem 0 2.4rem;border-top:1px solid var(--hn-line)}
.hn-end h2{margin:0 0 .3rem;font-size:1.15rem}
.hn-end>p{margin:0 0 .9rem;color:var(--hn-muted)}
.hn-copy{padding:0 0 2rem;color:var(--hn-muted);font-size:.8rem}
.hn-copy a{color:inherit}
/* article page */
.hn-prose{padding:1.2rem 0 2rem;max-width:44rem}
.hn-prose h1{margin:0 0 .8rem;font-size:clamp(1.55rem,4vw,2.1rem);letter-spacing:-.02em}
.hn-prose .hn-lead{color:var(--hn-muted);margin:0 0 1.2rem}
.hn-prose h2{margin:1.6rem 0 .6rem;font-size:1.2rem}
.hn-prose p{margin:0 0 .85rem;color:var(--hn-text)}
.hn-prose ul,.hn-prose ol{margin:0 0 1rem;padding-left:1.2rem}
.hn-prose li{margin:.25rem 0}
.hn-prose table{width:100%;border-collapse:collapse;margin:0 0 1.1rem;font-size:.92rem}
.hn-prose th,.hn-prose td{border:1px solid var(--hn-line);padding:.45rem .55rem;text-align:left}
.hn-prose th{background:color-mix(in srgb,var(--hn-accent) 8%,#fff)}
.hn-facts{display:grid;gap:.45rem;margin:0 0 1.1rem}
.hn-fact{display:grid;grid-template-columns:8rem 1fr;gap:.5rem;padding:.55rem .7rem;border:1px solid var(--hn-line);border-radius:10px;background:var(--hn-card);font-size:.92rem}
.hn-fact b{color:var(--hn-muted);font-weight:600}
.hn-callout{margin:0 0 1rem;padding:.8rem 1rem;border-radius:12px;border-left:3px solid var(--hn-accent);background:color-mix(in srgb,var(--hn-accent) 8%,#fff)}
.hn-fig{margin:1.1rem 0;padding:0;border:0}
.hn-fig img{width:100%;max-width:420px;height:auto;border-radius:12px;border:1px solid var(--hn-line);background:#fff}
.hn-fig figcaption{margin-top:.4rem;font-size:.85rem;color:var(--hn-muted)}
.hn-related{margin:1.6rem 0;padding:1rem;border:1px solid var(--hn-line);border-radius:var(--hn-radius);background:var(--hn-card)}
.hn-related h2{margin:0 0 .55rem;font-size:1.05rem}
.hn-related ul{margin:0;padding-left:1.1rem}
.hn-crumb{font-size:.85rem;color:var(--hn-muted);margin:0 0 1rem}
.hn-crumb a{color:var(--hn-muted)}