/* ============================================================
   bangzhu-zhongxin.html 专属样式 · 帮助中心三栏
   ============================================================ */

/* ---------- 首屏 ---------- */
.bz-hero{position:relative;min-height:68vh;display:flex;align-items:center;overflow:hidden;background:var(--mix-bg)}
.bz-hero-bg{position:absolute;inset:0}
.bz-hero-bg img{width:100%;height:100%;object-fit:cover}
.bz-hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.95) 6%,rgba(255,255,255,.8) 50%,rgba(234,244,252,.35) 100%)}
.bz-hero-inner{position:relative;z-index:2;padding:150px 0 110px;max-width:700px}
.bz-kicker{display:inline-block;padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.78);border:1px solid rgba(59,143,212,.32);color:var(--blue);font-weight:600;font-size:.9rem;letter-spacing:2px}
.bz-title{font-size:clamp(1.9rem,4.2vw,3rem);font-weight:800;line-height:1.3;margin:22px 0 18px}
.bz-title span{display:block}
.bz-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}
.bz-sub{color:var(--ink-2);font-size:1.04rem;margin-bottom:28px;max-width:620px}
.bz-actions{display:flex;flex-wrap:wrap;gap:14px}
.hl{opacity:0;animation:bzUp .8s cubic-bezier(.22,.9,.3,1) forwards}
.d1{animation-delay:.15s}.d2{animation-delay:.3s}.d3{animation-delay:.45s}.d4{animation-delay:.6s}
@keyframes bzUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.hl{opacity:1;animation:none}}
.bz-hero-wave{position:absolute;left:0;right:0;bottom:-1px;z-index:4}
.bz-hero-wave svg{display:block;width:100%;height:60px}

/* ---------- 三栏分组 ---------- */
.bz-groups{background:#fff;overflow:hidden}
.bz-groups::before{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(59,143,212,.1),transparent 70%);top:-100px;right:-80px;pointer-events:none}
.bz-group-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.bz-col{
  background:var(--mix-bg);border:1px solid var(--line);
  border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);
  overflow:hidden;transition:transform .3s,box-shadow .3s;
}
.bz-col:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.bz-col-head{padding:24px 22px 20px;color:#fff}
.bz-col-head.blue{background:linear-gradient(135deg,var(--blue),var(--blue-2))}
.bz-col-head.purple{background:linear-gradient(135deg,var(--purple),var(--purple-2))}
.bz-col-head .ico{width:28px;height:28px;margin-bottom:12px;color:#fff}
.bz-col-head h3{font-size:1.18rem;margin-bottom:6px}
.bz-col-head p{font-size:.86rem;opacity:.92}
.bz-link-list{padding:10px 12px 16px}
.bz-link-list a{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:12px 14px;border-radius:10px;color:var(--ink);font-weight:600;font-size:.95rem;
}
.bz-link-list a span{font-size:.8rem;color:var(--ink-3);font-weight:400}
.bz-link-list a:hover{background:#fff;padding-left:18px}
.bz-link-list a:hover span{color:var(--blue)}

/* ---------- 热门直达 ---------- */
.bz-hot{background:var(--mix-bg)}
.bz-hot-wrap{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;max-width:960px;margin:0 auto}
.hot-chip{
  padding:12px 22px;background:#fff;border:1px solid var(--line);
  border-radius:999px;font-size:.93rem;font-weight:600;color:var(--ink-2);
  box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,color .25s;
}
.hot-chip:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);color:var(--purple)}

/* ---------- 岗位速查 ---------- */
.bz-jobs{background:#fff;overflow:hidden}
.bz-jobs::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(124,111,208,.1),transparent 70%);bottom:-100px;left:-80px;pointer-events:none}
.bz-job-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.jb-item{
  display:block;padding:22px 20px;background:var(--blue-bg);
  border-radius:var(--r-md) var(--r-lg) var(--r-md) var(--r-lg);
  border:1px solid transparent;transition:transform .3s,box-shadow .3s;
}
.jb-item:nth-child(even){background:var(--purple-bg)}
.jb-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.jb-item h3{font-size:1.05rem;margin-bottom:6px;color:var(--blue)}
.jb-item:nth-child(even) h3{color:var(--purple)}
.jb-item span{font-size:.85rem;color:var(--ink-2)}

/* ---------- 找不到 ---------- */
.bz-nofind{background:var(--mix-bg)}
.bz-nofind-inner{
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
  border-radius:var(--r-lg);padding:44px 6%;
  display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center;
}
.bz-nofind-text h2{font-size:clamp(1.3rem,2.4vw,1.8rem);font-weight:800;margin-bottom:14px}
.bz-nofind-text p{color:var(--ink-2);font-size:.96rem;margin-bottom:22px}
.bz-nofind-actions{display:flex;flex-wrap:wrap;gap:12px}
.bz-nofind-contact li{display:flex;align-items:center;gap:8px;font-size:1.05rem;font-weight:600;margin-bottom:12px}
.bz-nofind-contact a{color:var(--blue)}
.bz-nofind-contact .ico{width:20px;height:20px;color:var(--purple)}

/* ---------- 互链 ---------- */
.bz-links{background:#fff}
.bz-link-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lk-card{display:block;padding:22px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--mix-bg);transition:transform .3s,box-shadow .3s}
.lk-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.lk-card b{display:block;font-size:1.03rem;margin-bottom:6px}
.lk-card span{font-size:.87rem;color:var(--ink-2)}

/* ---------- 资讯 ---------- */
.bz-news{background:var(--mix-bg)}
.bz-news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.nw-card{display:block;background:#fff;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s}
.nw-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.nw-card img{width:100%;height:170px;object-fit:cover}
.nw-body{padding:14px 16px 16px}
.nw-body h3{font-size:.94rem;line-height:1.5;margin-bottom:8px}
.nw-body time{font-size:.8rem;color:var(--ink-3)}
.bz-news-more{text-align:center;margin-top:36px}

/* ---------- CTA ---------- */
.bz-cta{background:#fff}
.bz-cta-inner{
  position:relative;overflow:hidden;text-align:center;
  background:linear-gradient(135deg,var(--purple) 0%,var(--blue) 100%);
  border-radius:var(--r-sm) var(--r-lg) var(--r-sm) var(--r-lg);
  padding:56px 8%;color:#fff;box-shadow:var(--shadow-2);
}
.bz-cta-inner h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;margin-bottom:14px}
.bz-cta-actions{display:flex;justify-content:center}
.bz-cta-actions .btn{background:#fff;color:var(--purple)}

/* ---------- 按阶段求助地图 ---------- */
.bz-stage{background:var(--mix-bg);overflow:hidden}
.bz-stage::before{content:"";position:absolute;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(124,111,208,.12),transparent 70%);bottom:-100px;left:-90px;pointer-events:none}
.bz-stage-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.st-card{
  background:#fff;border:1px solid var(--line);padding:26px 26px 24px;
  border-radius:var(--r-md) var(--r-lg) var(--r-md) var(--r-lg);
  box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.st-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.st-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.st-no{
  flex-shrink:0;font-size:.78rem;font-weight:700;letter-spacing:1px;
  padding:5px 12px;border-radius:999px;background:var(--blue-bg);color:var(--blue);
}
.st-card:nth-child(even) .st-no{background:var(--purple-bg);color:var(--purple)}
.st-head h3{font-size:1.08rem}
.st-card p{font-size:.93rem;color:var(--ink-2);line-height:1.85}
.st-card p a{color:var(--blue);font-weight:600}
.st-card p a:hover{color:var(--purple)}

/* ---------- 自助排查清单 ---------- */
.bz-check{background:#fff}
.bz-check-wrap{max-width:920px;margin:0 auto}
.ck-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.ck-list li{
  background:var(--blue-bg);border-radius:var(--r-md);padding:20px 22px;
  border-left:4px solid var(--blue);transition:transform .25s,box-shadow .25s;
}
.ck-list li:nth-child(even){background:var(--purple-bg);border-left-color:var(--purple)}
.ck-list li:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.ck-q{display:block;font-weight:700;font-size:.98rem;margin-bottom:8px}
.ck-list p{font-size:.9rem;color:var(--ink-2);line-height:1.8}
.ck-list p a{color:var(--blue);font-weight:600}

/* ---------- 常见卡点 ---------- */
.bz-block{background:var(--mix-bg)}
.bz-block-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.bk-card{
  background:#fff;border:1px solid var(--line);padding:24px 22px;
  border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);
  box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.bk-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.bk-card h3{font-size:1.02rem;margin-bottom:10px;color:var(--purple)}
.bk-card p{font-size:.9rem;color:var(--ink-2);line-height:1.8}
.bk-card p a{color:var(--blue);font-weight:600}

/* ---------- 求助说明 ---------- */
.bz-deep{background:#fff}
.bz-deep-inner{max-width:860px;margin:0 auto}
.bz-deep-inner h2{font-size:1.3rem;margin-bottom:16px;text-align:center}
.bz-deep-inner p{color:var(--ink-2);line-height:1.95;font-size:.98rem;margin-bottom:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .bz-group-grid{grid-template-columns:1fr;gap:18px}
  .bz-job-grid{grid-template-columns:repeat(2,1fr)}
  .bz-news-grid{grid-template-columns:1fr}
  .bz-nofind-inner{grid-template-columns:1fr}
  .bz-stage-grid,.ck-list,.bz-block-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .bz-job-grid,.bz-link-wrap{grid-template-columns:1fr}
}
.footer-contact .ico,.bz-nofind-contact .ico{width:20px;height:20px}