/* ============================================================
   wangzhan-ditu.html 专属样式 · 站点地图树状索引
   ============================================================ */

/* ---------- 首屏 ---------- */
.sm-hero{position:relative;min-height:54vh;display:flex;align-items:center;overflow:hidden;background:var(--mix-bg)}
.sm-hero-bg{position:absolute;inset:0}
.sm-hero-bg img{width:100%;height:100%;object-fit:cover}
.sm-hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,255,255,.95) 8%,rgba(255,255,255,.82) 50%,rgba(234,244,252,.4) 100%)}
.sm-hero-inner{position:relative;z-index:2;padding:140px 0 100px;max-width:700px}
.sm-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}
.sm-title{font-size:clamp(1.9rem,4.2vw,3rem);font-weight:800;line-height:1.3;margin:22px 0 18px}
.sm-title span{display:block}
.sm-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}
.sm-sub{color:var(--ink-2);font-size:1.04rem;max-width:600px}
.hl{opacity:0;animation:smUp .8s cubic-bezier(.22,.9,.3,1) forwards}
.d1{animation-delay:.15s}.d2{animation-delay:.3s}.d3{animation-delay:.45s}
@keyframes smUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.hl{opacity:1;animation:none}}
.sm-hero-wave{position:absolute;left:0;right:0;bottom:-1px;z-index:4}
.sm-hero-wave svg{display:block;width:100%;height:55px}

/* ---------- 树状分组 ---------- */
.sm-tree{background:#fff;overflow:hidden}
.sm-tree::before{content:"";position:absolute;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(124,111,208,.1),transparent 70%);top:-100px;right:-90px;pointer-events:none}
.sm-group{
  background:var(--mix-bg);border:1px solid var(--line);
  border-radius:var(--r-md) var(--r-lg) var(--r-md) var(--r-lg);
  padding:26px 28px;margin-bottom:18px;
  transition:box-shadow .3s,transform .3s;
}
.sm-group:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.sm-gtitle{display:flex;align-items:center;gap:10px;font-size:1.15rem;font-weight:800;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--line)}
.sm-dot{width:12px;height:12px;border-radius:4px;flex-shrink:0}
.sm-dot.blue{background:var(--blue)}
.sm-dot.purple{background:var(--purple)}
.sm-list{display:grid;grid-template-columns:repeat(3,1fr);gap:8px 18px}
.sm-list a{
  display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:.93rem;color:var(--ink-2);border-left:3px solid var(--line);
  transition:all .25s;
}
.sm-list a:hover{color:var(--blue);border-left-color:var(--blue);background:var(--blue-bg);padding-left:18px}
.sm-group:nth-of-type(even) .sm-list a:hover{color:var(--purple);border-left-color:var(--purple);background:var(--purple-bg)}

/* ---------- 找不到 ---------- */
.sm-nofind{background:var(--mix-bg)}
.sm-nofind-inner{
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
  border-radius:var(--r-lg);padding:40px 6%;text-align:center;
}
.sm-nofind-inner h2{font-size:1.4rem;font-weight:800;margin-bottom:12px}
.sm-nofind-inner p{color:var(--ink-2);max-width:560px;margin:0 auto 22px}
.sm-nofind-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* ---------- 资讯 ---------- */
.sm-news{background:#fff}
.sm-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:160px;object-fit:cover}
.nw-body{padding:14px 16px 16px}
.nw-body h3{font-size:.93rem;line-height:1.5;margin-bottom:8px}
.nw-body time{font-size:.8rem;color:var(--ink-3)}
.sm-news-more{text-align:center;margin-top:36px}

/* ---------- CTA ---------- */
.sm-cta{background:var(--mix-bg)}
.sm-cta-inner{
  text-align:center;
  background:linear-gradient(135deg,var(--purple) 0%,var(--blue) 100%);
  border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);
  padding:56px 8%;color:#fff;box-shadow:var(--shadow-2);
}
.sm-cta-inner h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;margin-bottom:14px}
.sm-cta-inner p{color:rgba(255,255,255,.92);max-width:600px;margin:0 auto 24px}
.sm-cta-contact{display:flex;justify-content:center;flex-wrap:wrap;gap:14px 34px;margin-bottom:28px}
.sm-cta-contact li{display:flex;align-items:center;gap:8px;font-size:1.05rem;font-weight:600}
.sm-cta-contact a{color:#fff}
.sm-cta-actions{display:flex;justify-content:center}
.sm-cta-actions .btn{background:#fff;color:var(--purple)}

/* ---------- 首屏导读 ---------- */
.sm-guide{background:var(--mix-bg)}
.sm-guide-inner{max-width:880px;margin:0 auto;text-align:center}
.sm-guide-inner h2{font-size:1.35rem;margin-bottom:16px}
.sm-guide-inner p{color:var(--ink-2);line-height:1.95;font-size:1rem;margin-bottom:14px}

/* ---------- 热门服务入口 ---------- */
.sm-hot{background:#fff}
.sm-hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.sh-item{
  background:var(--blue-bg);border-radius:var(--r-md);padding:20px 20px;
  transition:transform .25s,box-shadow .25s;display:block;
}
.sh-item:nth-child(even){background:var(--purple-bg)}
.sh-item:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.sh-item h3{font-size:.98rem;margin-bottom:6px;color:var(--blue)}
.sh-item:nth-child(even) h3{color:var(--purple)}
.sh-item span{font-size:.85rem;color:var(--ink-2)}

/* ---------- 新手三步指引 ---------- */
.sm-newbie{background:var(--blue-bg)}
.sm-newbie-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.sn-step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg) var(--r-sm) var(--r-lg) var(--r-sm);
  padding:26px 24px;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;
}
.sn-step:hover{transform:translateY(-6px);box-shadow:var(--shadow-2)}
.sn-num{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:1px;
  padding:5px 12px;border-radius:999px;background:var(--purple-bg);color:var(--purple);margin-bottom:12px;
}
.sn-step h3{font-size:1.06rem;margin-bottom:10px}
.sn-step p{font-size:.92rem;color:var(--ink-2);line-height:1.85}
.sn-step p a{color:var(--purple);font-weight:600}

/* ---------- 找页面常用路径 ---------- */
.sm-find{background:#fff}
.sm-find-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.sf-item{
  background:var(--blue-bg);border-radius:var(--r-md);padding:22px 24px;
  transition:transform .25s,box-shadow .25s;
}
.sf-item:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.sf-item h3{font-size:1.02rem;margin-bottom:10px;color:var(--blue)}
.sf-item p{font-size:.92rem;color:var(--ink-2);line-height:1.85}
.sf-item p a{color:var(--purple);font-weight:600}

/* ---------- 收录与更新说明 ---------- */
.sm-update{background:#fff}
.sm-update-inner{max-width:860px;margin:0 auto}
.sm-update-inner h2{font-size:1.3rem;margin-bottom:16px;text-align:center}
.sm-update-inner p{color:var(--ink-2);line-height:1.95;font-size:.98rem;margin-bottom:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .sm-list{grid-template-columns:repeat(2,1fr)}
  .sm-news-grid{grid-template-columns:1fr}
  .sm-hot-grid,.sm-newbie-grid,.sm-find-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  .sm-list{grid-template-columns:1fr}
}
.footer-contact .ico,.sm-cta-contact .ico{width:20px;height:20px}