/* ============================================================
   首页头部/尾部补充样式
   继承 zhuoxinhk-home-Adam20260901.css，仅补充新增部分
   品牌色沿用 --brand（蓝色 #1d65d4），与首页保持一致
   ============================================================ */

/* ===== 头部工具区 ===== */
.hd-tools{flex:0 0 auto;display:flex;align-items:center;gap:10px;margin-left:auto}

/* ===== 语言切换（桌面） ===== */
.hd-lang{position:relative;z-index:60}
.hd-lang-btn{display:flex;align-items:center;gap:6px;padding:7px 12px;background:#f4f7fd;border:1px solid #e2e9f5;
  border-radius:20px;font-size:14px;color:#444;cursor:pointer;transition:all .25s;line-height:1;
  -webkit-appearance:none;appearance:none;font-family:inherit}
.hd-lang-btn:hover{background:#e9f0fb;border-color:#c5d8f5;color:#1d65d4;color:var(--brand,#1d65d4)}
.hd-lang-btn svg{flex:0 0 auto}
.hd-lang-arrow{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;
  border-top:5px #999 solid;transition:transform .3s;margin-left:2px}
.hd-lang.open .hd-lang-arrow{transform:rotate(180deg)}
.hd-lang.open .hd-lang-btn{background:#e9f0fb;border-color:#c5d8f5;color:#1d65d4;color:var(--brand,#1d65d4)}

.hd-lang-panel{display:none;position:absolute;top:calc(100% + 10px);right:0;width:290px;max-height:390px;overflow-y:auto;
  background:#fff;border:1px solid #e6e6e6;border-radius:10px;box-shadow:0 14px 38px rgba(0,0,0,.14);
  padding:10px;z-index:100;-webkit-overflow-scrolling:touch}
.hd-lang.open .hd-lang-panel{display:block}
.hd-lang-group{font-size:12px;color:#aaa;padding:8px 10px 6px;letter-spacing:.5px}
.hd-lang-list{display:block;font-size:0}
.hd-lang-item{display:inline-block;width:48%;margin:1%;padding:9px 11px;border:0;background:none;border-radius:6px;
  font-size:14px;color:#444;cursor:pointer;transition:background .2s,color .2s;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-decoration:none;box-sizing:border-box;vertical-align:top}
.hd-lang-item:hover{background:#f0f5fd;color:#1d65d4;color:var(--brand,#1d65d4);text-decoration:none}
.hd-lang-item.active{background:#1d65d4;background:var(--brand,#1d65d4);color:#fff;font-weight:600}
/* 支持 grid 的浏览器走两列等宽 */
@supports (display:grid){
  .hd-lang-list{display:grid;grid-template-columns:1fr 1fr;gap:2px;font-size:14px}
  .hd-lang-item{width:auto;margin:0}
}

/* ===== 底部语言快捷 ===== */
.foot-lang{display:flex;flex-wrap:wrap;align-items:center;gap:10px 6px;padding:16px 0;margin-bottom:22px;
  border-bottom:1px solid rgba(255,255,255,.12)}
.foot-lang-t{font-size:13.5px;color:#9fb4d4}
.foot-lang-list{display:flex;flex-wrap:wrap;gap:8px}
.foot-lang-list a{padding:6px 14px;border:1px solid rgba(255,255,255,.22);border-radius:16px;
  font-size:13.5px;color:#d6e2f5;text-decoration:none;transition:all .25s}
.foot-lang-list a:hover{background:rgba(255,255,255,.12);border-color:#7fa9e8;color:#fff;text-decoration:none}
.foot-lang-list a.active{background:#1d65d4;background:var(--brand,#1d65d4);border-color:#1d65d4;border-color:var(--brand,#1d65d4);color:#fff}

/* ===== 返回顶部 ===== */
.totop{position:fixed;right:22px;bottom:88px;width:46px;height:46px;border:0;border-radius:50%;
  background:#fff;border:1px solid #e0e0e0;color:#1d65d4;color:var(--brand,#1d65d4);
  font-size:19px;line-height:1;cursor:pointer;z-index:90;
  box-shadow:0 6px 20px rgba(0,0,0,.1);opacity:0;visibility:hidden;transform:translateY(12px);transition:all .32s}
.totop.show{opacity:1;visibility:visible;transform:translateY(0)}
.totop:hover{background:#1d65d4;background:var(--brand,#1d65d4);border-color:#1d65d4;border-color:var(--brand,#1d65d4);color:#fff;transform:translateY(-4px)}

/* ===== 响应式 ===== */
@media (max-width:1000px){
  /* 移动端：语言按钮收进头部右侧，缩小显示 */
  .hd-tools{margin-left:0;order:3}
  .hd-lang-btn span{display:none}
  .hd-lang-btn{padding:9px 10px}
  .hd-lang-panel{width:260px;right:0}
  .totop{right:14px;bottom:74px;width:42px;height:42px}
}
@media (max-width:640px){
  .hd-lang-panel{position:fixed;left:12px;right:12px;top:64px;width:auto;max-height:60vh}
  .foot-lang{gap:8px 4px;padding:14px 0}
  .foot-lang-list a{padding:5px 11px;font-size:13px}
}

/* ===== 常见问题 ===== */
.zx-faq-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:0 0 26px}
.zx-faq-nav a{padding:8px 18px;background:#fff;border:1px solid #e2e9f5;border-radius:22px;
  font-size:14px;color:#55637a;text-decoration:none;transition:all .28s}
.zx-faq-nav a:hover{background:#1d65d4;background:var(--brand,#1d65d4);border-color:#1d65d4;border-color:var(--brand,#1d65d4);
  color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 8px 18px rgba(29,101,212,.24)}

.zx-faq-grid{display:block;font-size:0;margin:0 -10px}
.zx-faq-card{display:inline-block;width:25%;padding:0 10px;margin-bottom:20px;
  font-size:14px;vertical-align:top;box-sizing:border-box}
@supports (display:grid){
  .zx-faq-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:0;font-size:14px}
  .zx-faq-card{width:auto;padding:0;margin-bottom:0}
}

.zx-faq-card{background:#fff;border:1px solid #eef1f6;border-radius:10px;padding:22px 20px 18px;
  display:flex;flex-direction:column;transition:transform .32s,box-shadow .32s,border-color .32s}
.zx-faq-card:hover{transform:translateY(-6px);border-color:#c5d8f5;box-shadow:0 16px 34px rgba(29,101,212,.12)}

.zx-faq-head{display:flex;align-items:center;gap:10px;padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid #f0f3f8}
.zx-faq-ico{flex:0 0 34px;width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:#eaf1fd;color:#1d65d4;color:var(--brand,#1d65d4);transition:all .3s}
.zx-faq-ico svg{width:19px;height:19px}
.zx-faq-card:hover .zx-faq-ico{background:#1d65d4;background:var(--brand,#1d65d4);color:#fff}
.zx-faq-head h3{margin:0;font-size:17px;font-weight:600;line-height:1.4}
.zx-faq-head h3 a{color:#222}
.zx-faq-head h3 a:hover{color:#1d65d4;color:var(--brand,#1d65d4);text-decoration:none}
.zx-faq-head h3 em{font-style:normal;color:#bbb;margin:0 2px;font-weight:400}

.zx-faq-list{margin:0;padding:0;list-style:none;flex:1}
.zx-faq-list li{margin-bottom:2px}
.zx-faq-list li a{display:block;padding:7px 0 7px 16px;position:relative;font-size:14.5px;line-height:1.7;
  color:#4a566b;text-decoration:none;transition:color .25s,transform .25s;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.zx-faq-list li a:before{content:"";position:absolute;left:2px;top:14px;width:5px;height:5px;border-radius:50%;
  background:#c2d3ee;transition:background .25s,transform .25s}
.zx-faq-list li a:hover{color:#1d65d4;color:var(--brand,#1d65d4);transform:translateX(3px);text-decoration:none}
.zx-faq-list li a:hover:before{background:#1d65d4;background:var(--brand,#1d65d4);transform:scale(1.3)}

/* 分类标签：与具体问题区分层级 */
.zx-faq-list li.cat a{color:#1d65d4;color:var(--brand,#1d65d4);font-size:13.5px;font-weight:600;
  background:#f4f8fe;border-radius:5px;padding:6px 10px 6px 24px;margin:2px 0 8px}
.zx-faq-list li.cat a:before{left:10px;top:13px;background:#1d65d4;background:var(--brand,#1d65d4);width:4px;height:4px}
.zx-faq-list li.cat a:hover{background:#e6eefb}

.zx-faq-more{display:block;margin-top:14px;padding-top:13px;border-top:1px dashed #e8edf5;
  font-size:14px;color:#1d65d4;color:var(--brand,#1d65d4);text-align:center;transition:all .25s}
.zx-faq-more:hover{color:#0f47a0;text-decoration:none;letter-spacing:.5px}

.zx-faq-extra{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 22px;margin-top:8px;
  padding-top:20px;border-top:1px solid #eef1f6;font-size:14px}
.zx-faq-extra a{color:#6b7a90;text-decoration:none;transition:color .25s}
.zx-faq-extra a:hover{color:#1d65d4;color:var(--brand,#1d65d4);text-decoration:none}

@media (max-width:1000px){
  .zx-faq-card{width:50%}
}
@media (max-width:640px){
  .zx-faq-card{width:100%}
  .zx-faq-nav{gap:8px;margin-bottom:20px}
  .zx-faq-nav a{padding:7px 14px;font-size:13.5px}
  .zx-faq-list li a{white-space:normal}
}