/* ============================================================
   证书介绍页 · 左侧粘性目录 + 右侧长卷
   ============================================================ */

/* ---------- 首屏 ---------- */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;overflow:hidden;background:var(--mix-bg)}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.96) 6%,rgba(255,255,255,.85) 45%,rgba(234,244,252,.4) 75%,rgba(241,238,251,.3) 100%)}
.hero-inner{position:relative;z-index:2;padding:150px 0 130px}
.hero-kicker{display:inline-block;padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.75);border:1px solid rgba(124,111,208,.28);color:var(--purple);font-weight:600;font-size:.9rem;letter-spacing:2px}
.hero-title{font-size:clamp(1.9rem,4.2vw,3.1rem);font-weight:800;line-height:1.3;margin:22px 0 18px;letter-spacing:.5px}
.hero-title em{font-style:normal;background:linear-gradient(120deg,var(--blue),var(--purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{max-width:620px;color:var(--ink-2);font-size:1.05rem;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-wave{position:absolute;left:0;right:0;bottom:-1px;z-index:3}
.hero-wave svg{display:block;width:100%;height:70px}
.hero-line{opacity:0;animation:heroUp .85s cubic-bezier(.22,.9,.3,1) forwards}
.hero-line.d1{animation-delay:.15s}.hero-line.d2{animation-delay:.3s}.hero-line.d3{animation-delay:.45s}.hero-line.d4{animation-delay:.6s}
@keyframes heroUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.hero-line{opacity:1;animation:none}}

/* ---------- 长卷布局 ---------- */
.doc{padding-top:40px}
.doc-layout{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start}
.doc-toc{position:sticky;top:96px}
.toc-title{font-size:.82rem;font-weight:700;letter-spacing:3px;color:var(--ink-3);margin-bottom:14px}
.doc-toc ul{border-left:2px solid var(--line);display:flex;flex-direction:column}
.doc-toc a{display:block;padding:10px 16px;color:var(--ink-2);font-size:.94rem;border-radius:0 var(--r-sm) var(--r-sm) 0;border-left:3px solid transparent;margin-left:-2px;transition:all .25s}
.doc-toc a:hover{color:var(--blue);background:var(--blue-bg);border-left-color:var(--blue)}
.toc-card{margin-top:26px;padding:24px 20px;border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);background:var(--purple-bg);box-shadow:var(--shadow)}
.toc-card b{font-size:1rem}
.toc-card p{font-size:.86rem;color:var(--ink-2);margin:8px 0 14px}

.doc-scroll{min-width:0}
.doc-block{padding:34px 0 40px;border-bottom:1px dashed var(--line)}
.doc-block:last-child{border-bottom:none}
.doc-block h2{font-size:1.55rem;font-weight:800;margin:14px 0 16px;line-height:1.4}
.doc-block p{color:var(--ink-2);margin-bottom:14px}
.doc-block p strong{color:var(--ink)}
.doc-block a{color:var(--blue);font-weight:600}
.doc-block a:hover{color:var(--purple)}
.doc-fig{margin:22px 0 6px}
.doc-fig img{width:100%;height:auto;border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);box-shadow:var(--shadow)}
.doc-fig figcaption{font-size:.84rem;color:var(--ink-3);margin-top:10px;text-align:center}

.post-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0 16px}
.post-list a{display:flex;flex-direction:column;gap:3px;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-md) var(--r-sm) var(--r-md) var(--r-sm);background:#fff;transition:transform .25s,box-shadow .25s,border-color .25s}
.post-list a:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--purple-2)}
.post-list b{font-size:1rem;color:var(--ink)}
.post-list span{font-size:.82rem;color:var(--ink-3)}
.diff-list{margin:16px 0;padding:22px 24px;border-radius:var(--r-md);background:var(--blue-bg)}
.diff-list li{padding:10px 0 10px 22px;position:relative;color:var(--ink-2);border-bottom:1px dashed rgba(59,143,212,.25)}
.diff-list li:last-child{border-bottom:none}
.diff-list li::before{content:"";position:absolute;left:0;top:18px;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--purple))}
.diff-list b{color:var(--ink)}

/* ---------- FAQ ---------- */
.faq{background:var(--mix-bg);overflow:hidden}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md) var(--r-sm) var(--r-md) var(--r-sm);padding:20px 24px;box-shadow:var(--shadow)}
.faq-item summary{display:flex;justify-content:space-between;align-items:center;gap:12px;cursor:pointer;font-weight:700;font-size:1.02rem;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .caret{transition:transform .25s;color:var(--ink-3)}
.faq-item[open] summary .caret{transform:rotate(180deg)}
.faq-item p{margin-top:12px;color:var(--ink-2);font-size:.95rem}
.faq-item a{color:var(--blue);font-weight:600}

/* ---------- 互链 ---------- */
.rel{background:#fff}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{display:flex;flex-direction:column;gap:4px;padding:22px 22px;border:1px solid var(--line);border-radius:var(--r-sm) var(--r-lg) var(--r-sm) var(--r-lg);background:var(--blue-bg);transition:transform .25s,box-shadow .25s}
.rel-card:nth-child(3n+2){background:var(--purple-bg)}
.rel-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}
.rel-card b{font-size:1.05rem}
.rel-card span{font-size:.84rem;color:var(--ink-2)}
.rel-card.active-me{outline:2px solid var(--blue);outline-offset:2px}

/* ---------- 资讯 ---------- */
.news{background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.n-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);overflow:hidden;background:#fff;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.n-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.n-thumb{overflow:hidden}
.n-thumb img{width:100%;height:180px;object-fit:cover;transition:transform .5s}
.n-card:hover .n-thumb img{transform:scale(1.06)}
.n-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.n-body h3{font-size:.98rem;font-weight:700;line-height:1.5}
.n-body p{color:var(--ink-2);font-size:.86rem;flex:1}
.n-body time{color:var(--ink-3);font-size:.78rem}
.news-more{text-align:center;margin-top:36px}

/* ---------- CTA ---------- */
.cta{background:var(--mix-bg)}
.cta-box{position:relative;overflow:hidden;text-align:center;background:#fff;border:1px solid var(--line);border-radius:36px 16px 36px 16px;padding:54px 30px;box-shadow:var(--shadow-2)}
.cta-bubble{position:absolute;border-radius:50%;filter:blur(8px)}
.cta-bubble.b1{width:260px;height:260px;left:-90px;top:-90px;background:radial-gradient(circle,rgba(59,143,212,.18),transparent 70%)}
.cta-bubble.b2{width:240px;height:240px;right:-80px;bottom:-80px;background:radial-gradient(circle,rgba(124,111,208,.18),transparent 70%)}
.cta-box h2{font-size:clamp(1.5rem,2.8vw,2.1rem);font-weight:800;margin-bottom:14px}
.cta-box h2 em{font-style:normal;background:linear-gradient(120deg,var(--blue),var(--purple));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.cta-box>p{color:var(--ink-2);max-width:560px;margin:0 auto 22px}
.cta-contact{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 30px;margin-bottom:26px}
.cta-line{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:1.05rem;color:var(--ink)}
.cta-line:hover{color:var(--blue)}
.cta-line .ico{color:var(--purple)}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}

/* ---------- 八岗速查表 ---------- */
.tbl-wrap{overflow-x:auto;margin:20px 0 16px;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow)}
.quick-table{min-width:560px}
.quick-table th{background:var(--purple-bg);font-size:.9rem}
.quick-table td{font-size:.92rem;color:var(--ink-2)}
.quick-table td b{color:var(--ink)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .doc-layout{grid-template-columns:1fr;gap:24px}
  .doc-toc{position:static}
  .doc-toc ul{flex-flow:row wrap;border-left:none;border-top:2px solid var(--line);padding-top:12px}
  .doc-toc a{border-left:none;border-bottom:3px solid transparent;border-radius:10px;margin-left:0}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .hero-inner{padding:120px 0 100px}
  .post-list{grid-template-columns:1fr}
  .rel-grid,.news-grid{grid-template-columns:1fr}
  .hero-wave svg{height:44px}
}