/* ============================================================
   news-zhengshu · 证书资讯 · 原型：门户三栏
   纯白+浅蓝+浅紫 · 左频道导航 + 中资讯列表 + 右热门侧栏
   ============================================================ */

/* ---------- 首屏 ---------- */
.nzh-hero{position:relative;min-height:480px;display:flex;align-items:center;padding:130px 0 96px;overflow:hidden}
.nzh-hero-bg{position:absolute;inset:0;z-index:0}
.nzh-hero-bg img{width:100%;height:100%;object-fit:cover}
.nzh-hero-mask{position:absolute;inset:0;z-index:1;
  background:linear-gradient(115deg,rgba(59,143,212,.8) 0%,rgba(124,111,208,.52) 52%,rgba(29,43,58,.5) 100%)}
.nzh-hero-inner{position:relative;z-index:2;max-width:820px;color:#fff}
.nzh-kicker{display:inline-block;padding:6px 16px;border-radius:999px;background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.35);font-size:.84rem;letter-spacing:2px;margin-bottom:20px}
.nzh-title{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:800;line-height:1.25;margin-bottom:18px}
.nzh-title em{font-style:normal;color:#ffe9a8}
.nzh-sub{font-size:1.05rem;line-height:1.9;color:rgba(255,255,255,.93);max-width:680px;margin-bottom:30px}
.nzh-actions{display:flex;flex-wrap:wrap;gap:14px}
.nzh-hero-wave{position:absolute;left:0;right:0;bottom:-1px;z-index:3;line-height:0}
.nzh-hero-wave svg{width:100%;height:70px;display:block}

/* ---------- 三栏门户 ---------- */
.nzh-portal{background:
  radial-gradient(400px 300px at 96% 8%,rgba(164,143,232,.15),transparent 70%),var(--paper)}
.nzh-grid{display:grid;grid-template-columns:240px 1fr 280px;gap:32px;align-items:start}

/* 左：频道导航 */
.nzh-left{position:sticky;top:96px}
.nzh-sidebox{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 18px;box-shadow:var(--shadow)}
.nzh-sidebox h3{font-size:.98rem;font-weight:800;margin-bottom:14px;padding-left:6px}
.nzh-nav{display:grid;gap:2px}
.nzh-nav a{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:10px;
  color:var(--ink-2);font-size:.9rem;transition:background .25s,color .25s}
.nzh-nav a:hover{background:var(--blue-bg);color:var(--blue)}
.nzh-nav a.cur{background:var(--blue-bg);color:var(--blue);font-weight:700}
.nzh-nav a .arr{opacity:0;transform:translateX(-4px);transition:opacity .25s,transform .25s}
.nzh-nav a:hover .arr,.nzh-nav a.cur .arr{opacity:1;transform:none}

/* 中：资讯列表 */
.nzh-main{display:grid;gap:14px}
.nzh-row{display:grid;grid-template-columns:110px 1fr;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md) var(--r-sm) var(--r-md) var(--r-sm);padding:14px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;align-items:center}
.nzh-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.nzh-row-img{overflow:hidden;border-radius:var(--r-sm);aspect-ratio:1;display:block}
.nzh-row-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.nzh-row:hover .nzh-row-img img{transform:scale(1.06)}
.nzh-row-body h3{font-size:1rem;font-weight:800;line-height:1.5;margin-bottom:5px;color:var(--ink)}
.nzh-row-body p{color:var(--ink-2);font-size:.86rem;line-height:1.7;margin-bottom:7px}
.nzh-meta{display:flex;align-items:center;gap:9px;color:var(--ink-3);font-size:.8rem}
.nzh-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-3)}

/* 右：热门侧栏 */
.nzh-right{position:sticky;top:96px;display:grid;gap:18px}
.nzh-rcard{background:var(--blue-bg);border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);padding:24px 22px;box-shadow:var(--shadow)}
.nzh-rcard h3{font-size:1.05rem;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.nzh-rcard h3 svg{width:18px;height:18px;color:var(--blue)}
.nzh-rlist{display:grid;gap:12px}
.nzh-rlist a{display:flex;gap:10px;align-items:flex-start;color:var(--ink-2);font-size:.88rem;line-height:1.6;transition:color .25s}
.nzh-rlist a:hover{color:var(--blue)}
.nzh-rlist .nzh-rnum{width:22px;height:22px;border-radius:7px;flex-shrink:0;background:#fff;color:var(--blue);
  font-size:.78rem;font-weight:700;display:flex;align-items:center;justify-content:center}
.nzh-rcard.p{background:var(--purple-bg)}
.nzh-rcard.p h3 svg{color:var(--purple)}
.nzh-rcard.p .nzh-rlist .nzh-rnum{color:var(--purple)}

/* ---------- 证书常识 strip ---------- */
.nzh-fact{background:var(--mix-bg)}
.nzh-fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.nzh-fcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);
  padding:28px 26px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.nzh-fcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.nzh-fcard .nzh-fico{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--purple-bg);color:var(--purple);margin-bottom:16px}
.nzh-fcard:nth-child(2) .nzh-fico{background:var(--blue-bg);color:var(--blue)}
.nzh-fcard:nth-child(3) .nzh-fico{background:var(--purple-bg);color:var(--purple)}
.nzh-fcard .nzh-fico svg{width:24px;height:24px}
.nzh-fcard h3{font-size:1.1rem;font-weight:800;margin-bottom:10px}
.nzh-fcard p{color:var(--ink-2);font-size:.92rem;line-height:1.9}

/* ---------- CTA ---------- */
.nzh-cta{padding-top:20px}
.nzh-cta-box{position:relative;overflow:hidden;text-align:center;background:linear-gradient(135deg,#3b8fd4 0%,#7c6fd0 100%);
  color:#fff;border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);padding:60px 30px;box-shadow:var(--shadow-2)}
.nzh-cta-glow{position:absolute;border-radius:50%;filter:blur(40px);opacity:.5}
.nzh-cta-glow.g1{width:260px;height:260px;background:#63b0e8;top:-80px;right:-60px}
.nzh-cta-glow.g2{width:220px;height:220px;background:#a48fe8;bottom:-70px;left:-50px}
.nzh-cta-box h2{position:relative;font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;margin-bottom:12px}
.nzh-cta-box>p{position:relative;max-width:560px;margin:0 auto 26px;color:rgba(255,255,255,.92)}
.nzh-cta-contact{position:relative;display:flex;justify-content:center;flex-wrap:wrap;gap:16px;margin-bottom:28px}
.nzh-cta-item{display:inline-flex;align-items:center;gap:12px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  border-radius:999px;padding:12px 22px;color:#fff;backdrop-filter:blur(6px);transition:background .25s,transform .25s}
.nzh-cta-item:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.nzh-cta-item svg{width:20px;height:20px}
.nzh-cta-item span{display:flex;flex-direction:column;line-height:1.3;text-align:left}
.nzh-cta-item small{font-size:.72rem;opacity:.8}
.nzh-cta-item b{font-size:1.05rem}

/* ---------- 使用场景速查 ---------- */
.nzh-scene{background:var(--paper)}
.nzh-scene-list{display:grid;gap:14px;max-width:980px;margin:0 auto}
.nzh-scene-row{display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 26px;box-shadow:var(--shadow)}
.nzh-scene-tag{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--purple)}
.nzh-scene-tag span{font-size:1.02rem}
.nzh-scene-body h3{font-size:1.05rem;font-weight:800;margin-bottom:8px}
.nzh-scene-body p{color:var(--ink-2);font-size:.92rem;line-height:1.9;margin:0}
.nzh-scene-note{max-width:980px;margin:22px auto 0;text-align:center;color:var(--ink-2);line-height:2;font-size:.96rem}

/* ---------- 证书服务延伸 ---------- */
.nzh-more{background:var(--mix-bg)}
.nzh-more-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:26px}
.nzh-morecard{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;box-shadow:var(--shadow);
  transition:transform .3s,box-shadow .3s}
.nzh-morecard:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.nzh-morecard h3{font-size:1.05rem;font-weight:800;margin-bottom:10px}
.nzh-morecard p{color:var(--ink-2);font-size:.88rem;line-height:1.8;margin-bottom:14px}
.nzh-more-link{color:var(--blue);font-weight:600;font-size:.86rem}
.nzh-morecard:hover .nzh-more-link{color:var(--purple)}
.nzh-more-note{max-width:860px;margin:26px auto 0;text-align:center;color:var(--ink-2);line-height:2;font-size:.96rem}
.nzh-more-note2{max-width:860px;margin:14px auto 0;text-align:center;color:var(--ink-2);line-height:2;font-size:.96rem}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nzh-grid{grid-template-columns:1fr}
  .nzh-left,.nzh-right{position:static}
  .nzh-fact-grid{grid-template-columns:repeat(2,1fr)}
  .nzh-more-grid{grid-template-columns:repeat(2,1fr)}
  .nzh-scene-row{grid-template-columns:1fr;gap:12px}
}
@media (max-width:767px){
  .nzh-hero{min-height:auto;padding:110px 0 70px}
  .nzh-row{grid-template-columns:84px 1fr;gap:12px;padding:12px}
  .nzh-fact-grid,.nzh-more-grid{grid-template-columns:1fr}
  .nzh-actions .btn{width:100%}
}