/* ============================================================
   UKAssignment - 联系我们页样式
   配色：藏青 + 古铜金  |  联系方式卡 / 留言表单 / 二维码
   引用：<link rel="stylesheet" href="/skin/css/contact.css">
   ============================================================ */

  /* ===== 面包屑 ===== */
  .breadcrumb{background:var(--paper);border-bottom:1px solid var(--line);padding:14px 0;font-family:-apple-system,"PingFang SC",sans-serif;font-size:13px;color:var(--muted)}
  .breadcrumb .wrap{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .breadcrumb a{color:var(--navy-700);transition:color .2s}
  .breadcrumb a:hover{color:var(--gold-700)}
  .breadcrumb .sep{color:var(--gold-500);opacity:.6}
  .breadcrumb [aria-current="page"]{color:var(--navy-900);font-weight:600}

  /* ===== 联系 Hero ===== */
  .contact-hero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(135deg,var(--navy-950) 0%,var(--navy-800) 55%,var(--navy-700) 100%)}
  .contact-hero::before{
    content:"";position:absolute;inset:0;opacity:.6;
    background:
      radial-gradient(circle at 15% 20%,rgba(176,141,87,.22),transparent 28%),
      radial-gradient(circle at 88% 12%,rgba(201,169,97,.16),transparent 26%);
  }
  .contact-hero .wrap{position:relative;z-index:1;padding:74px 24px 70px;max-width:var(--max);margin:0 auto}
  .contact-hero .eyebrow{
    display:inline-flex;align-items:center;gap:9px;padding:8px 16px;
    border:1px solid rgba(220,194,138,.4);border-radius:999px;background:rgba(220,194,138,.1);
    color:var(--gold-300);font-weight:600;font-size:13px;letter-spacing:1px;text-transform:uppercase;
    font-family:-apple-system,sans-serif;margin-bottom:20px;
  }
  .contact-hero h1{
    margin:0;font-size:clamp(30px,4.4vw,52px);line-height:1.18;letter-spacing:-1px;font-family:Georgia,"Songti SC",serif;
  }
  .contact-hero h1 .accent{display:inline-block;color:var(--gold-400);position:relative}
  .contact-hero h1 .accent::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:var(--gold-500);opacity:.6}
  .contact-hero p.lead{color:#cdd6e3;font-size:17px;margin:22px auto 0;max-width:720px;font-family:-apple-system,"PingFang SC",sans-serif}
  .contact-trust{margin-top:32px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:780px}
  .ct-item{padding:18px 16px;border:1px solid rgba(220,194,138,.28);border-radius:14px;background:rgba(255,255,255,.05);text-align:center;transition:.3s}
  .ct-item:hover{transform:translateY(-4px);border-color:var(--gold-400);background:rgba(176,141,87,.15)}
  .ct-item b{display:block;color:var(--gold-400);font-size:22px;font-family:Georgia,serif;margin-bottom:4px}
  .ct-item span{color:#cdd6e3;font-size:13px;font-family:-apple-system,"PingFang SC",sans-serif}

  /* ===== 联系方式卡 ===== */
  .channels-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .channel-card{
    display:flex;flex-direction:row;align-items:stretch;gap:18px;padding:24px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:0 14px 40px rgba(13,27,46,.07);transition:transform .3s,box-shadow .3s,border-color .3s;
    position:relative;overflow:hidden;
  }
  .channel-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--gold-600),var(--gold-400));transform:scaleX(0);transform-origin:left;transition:transform .35s}
  .channel-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:var(--gold-400)}
  .channel-card:hover::before{transform:scaleX(1)}
  .ch-icon{
    width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
    background:linear-gradient(145deg,var(--navy-800),var(--navy-600));color:var(--gold-300);
    border:1px solid rgba(176,141,87,.3);transition:transform .4s cubic-bezier(.34,1.56,.64,1);
  }
  .channel-card:hover .ch-icon{transform:rotate(-8deg) scale(1.1)}
  .ch-icon svg{width:26px;height:26px;fill:currentColor}
  .channel-card .ch-head{display:flex;align-items:center;gap:14px;width:100%}
  .channel-card .ch-head .ch-icon{flex:none}
  .channel-card h3{margin:0;color:var(--navy-900);font-size:19px;font-family:Georgia,"Songti SC",serif;line-height:1.3}
  .ch-value{margin:0;color:var(--navy-900);font-size:18px;font-weight:700;font-family:Georgia,serif;word-break:break-all}
  .ch-note{margin-top:auto;color:var(--muted);font-size:12px;font-family:-apple-system,"PingFang SC",sans-serif;letter-spacing:.3px}

  /* 卡片内部左文右码布局 */
  .ch-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}
  .ch-qr{
    width:96px;height:96px;flex:none;align-self:center;
    object-fit:contain;border-radius:10px;border:1px solid var(--line);background:#fff;
  }
  @media (max-width:560px){
    .channels-grid{grid-template-columns:1fr}
    .ch-qr{width:80px;height:80px}
  }

  /* ===== 留言表单布局 ===== */
  .message-layout{display:grid;grid-template-columns:1.4fr .6fr;gap:28px;align-items:start}
  .message-form{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:34px;box-shadow:0 14px 40px rgba(13,27,46,.07);
    display:flex;flex-direction:column;gap:18px;
  }
  .mf-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .mf-field{display:flex;flex-direction:column;gap:7px}
  .mf-field-wide{grid-column:1/-1}
  .mf-field label{
    font-size:13px;font-weight:700;color:var(--navy-900);font-family:-apple-system,"PingFang SC",sans-serif;
    letter-spacing:.3px;display:flex;align-items:center;gap:6px;
  }
  .mf-field .req{color:#c0392b;font-size:14px}
  .mf-field .opt{color:var(--muted);font-weight:400;font-size:12px}
  .mf-field input,.mf-field select,.mf-field textarea{
    width:100%;min-height:46px;padding:0 14px;border:1px solid var(--line);border-radius:12px;
    background:#fff;color:var(--ink);font-size:14px;font-family:-apple-system,"PingFang SC",sans-serif;
    transition:border-color .25s,box-shadow .25s;appearance:none;-webkit-appearance:none;
  }
  .mf-field textarea{min-height:auto;padding:12px 14px;resize:vertical;line-height:1.7}
  .mf-field select{
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b08d57' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");
    background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px;
  }
  .mf-field input:focus,.mf-field select:focus,.mf-field textarea:focus{outline:none;border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(176,141,87,.16)}
  .mf-field input.invalid,.mf-field select.invalid,.mf-field textarea.invalid{border-color:#c0392b;box-shadow:0 0 0 3px rgba(192,57,43,.1)}

  .mf-error{display:none;color:#c0392b;font-size:12px;font-family:-apple-system,"PingFang SC",sans-serif;font-weight:600}
  .mf-error.show{display:block}
  .mf-meta{display:flex;justify-content:space-between;align-items:center;gap:10px}
  .mf-count{color:var(--muted);font-size:12px;font-family:-apple-system,sans-serif}
  .mf-count.near{color:var(--gold-700);font-weight:700}
  .mf-count.over{color:#c0392b;font-weight:700}

  .mf-check{display:flex;align-items:flex-start;gap:10px;padding:14px;background:var(--cream);border:1px solid var(--line);border-radius:12px}
  .mf-check input{margin-top:3px;width:18px;height:18px;accent-color:var(--gold-600);cursor:pointer;flex:none}
  .mf-check label{font-size:13px;color:var(--navy-800);font-family:-apple-system,"PingFang SC",sans-serif;font-weight:400;line-height:1.6;cursor:pointer}
  .mf-check label a{color:var(--gold-700);font-weight:700}
  .mf-check label a:hover{text-decoration:underline}
  .mf-check.invalid{border-color:#c0392b;background:rgba(192,57,43,.05)}

  .mf-actions{display:flex;gap:12px;flex-wrap:wrap}
  .mf-actions .btn{min-width:160px;justify-content:center}
  #mfReset{border-color:var(--line);color:var(--muted)}

  /* 提交成功反馈 */
  .mf-success{
    margin-top:18px;padding:30px;border-radius:16px;text-align:center;
    background:linear-gradient(135deg,var(--navy-900),var(--navy-700));color:#fff;border:1px solid rgba(176,141,87,.3);
    animation:mfPop .4s cubic-bezier(.34,1.56,.64,1);
  }
  @keyframes mfPop{0%{opacity:0;transform:translateY(20px) scale(.96)}100%{opacity:1;transform:none}}
  .mf-success-icon{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--gold-600),var(--gold-400));color:var(--navy-900);display:grid;place-items:center;font-size:28px;font-weight:700;margin:0 auto 14px}
  .mf-success h3{margin:0 0 8px;color:#fff;font-size:22px;font-family:Georgia,"Songti SC",serif}
  .mf-success p{margin:0 0 18px;color:#cdd6e3;font-size:14px;font-family:-apple-system,"PingFang SC",sans-serif;line-height:1.7}
  .mf-success a:not(.btn){color:var(--gold-300);font-weight:700}
  .mf-success .btn-outline{border-color:rgba(220,194,138,.4);color:var(--gold-300);background:rgba(255,255,255,.04)}

  /* ===== 侧栏 ===== */
  .message-aside{display:flex;flex-direction:column;gap:22px;position:sticky;top:90px}
  .contact-qr-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:26px;box-shadow:0 14px 40px rgba(13,27,46,.07);text-align:center;
  }
  .contact-qr-card .qr-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px}
  .contact-qr-card h3{margin:0;color:var(--navy-900);font-size:20px;font-family:Georgia,"Songti SC",serif;line-height:1.3}
  .contact-qr-card .qr-badge{
    flex:none;font-size:10px;font-weight:700;letter-spacing:.5px;color:#fff;
    background:linear-gradient(135deg,var(--gold-600),var(--gold-400));
    padding:3px 8px;border-radius:999px;font-family:-apple-system,sans-serif;
    border:1px solid rgba(220,194,138,.4);
  }
  .contact-qr-card>p{margin:0 0 16px;color:var(--muted);font-size:13px;font-family:-apple-system,"PingFang SC",sans-serif}
  .contact-qr-card .qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 auto 16px}
  .contact-qr-card .qr-item{display:flex;flex-direction:column;align-items:center;gap:8px}
  .contact-qr-card .qr-wrap{position:relative;width:100%;aspect-ratio:1;padding:8px;background:#fff;border-radius:14px;border:1px solid var(--line);box-shadow:0 10px 24px rgba(13,27,46,.08);transition:transform .3s,border-color .3s}
  .contact-qr-card .qr-wrap:hover{transform:translateY(-4px);border-color:var(--gold-400)}
  .contact-qr-card .qr-wrap img{display:block;width:100%;height:100%;object-fit:contain;border-radius:8px}
  .contact-qr-card .qr-name{font-size:12px;font-weight:600;color:var(--navy-700);font-family:-apple-system,"PingFang SC",sans-serif}
  .contact-qr-card .contact-list{list-style:none;margin:0;padding:14px 0 0;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
  .contact-qr-card .contact-list li{display:flex;flex-direction:column;gap:2px}
  .contact-qr-card .c-label{font-size:10px;color:var(--muted);font-family:-apple-system,sans-serif;letter-spacing:.5px}
  .contact-qr-card .contact-list b{color:var(--navy-900);font-size:13px;font-family:Georgia,serif;word-break:break-all}

  .hours-card{
    background:linear-gradient(135deg,var(--navy-950),var(--navy-700));color:#fff;border-radius:var(--radius);
    padding:26px;border:1px solid rgba(176,141,87,.3);box-shadow:var(--shadow);
  }
  .hours-card h3{margin:0 0 14px;color:#fff;font-size:18px;font-family:Georgia,"Songti SC",serif;letter-spacing:.3px}
  .hours-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
  .hours-list li{display:flex;justify-content:space-between;gap:10px;padding-bottom:10px;border-bottom:1px dashed rgba(220,194,138,.18);font-size:13px;font-family:-apple-system,"PingFang SC",sans-serif}
  .hours-list li:last-child{border-bottom:none;padding-bottom:0}
  .hours-list li span{color:#aeb8c6}
  .hours-list li b{color:var(--gold-300);font-weight:700;text-align:right}
  .hours-tip{margin:14px 0 0;color:#c5d0de;font-size:12px;font-family:-apple-system,"PingFang SC",sans-serif;line-height:1.7;padding-top:14px;border-top:1px solid rgba(220,194,138,.18)}

  /* ===== 响应式 ===== */
  @media (max-width:1040px){
    .channels-grid{grid-template-columns:repeat(2,1fr)}
    .message-layout{grid-template-columns:1fr}
    .message-aside{position:static;flex-direction:row;flex-wrap:wrap}
    .message-aside > *{flex:1 1 280px}
    .contact-trust{grid-template-columns:repeat(2,1fr)}
  }
  @media (max-width:720px){
    .mf-row{grid-template-columns:1fr}
    .message-form{padding:22px}
    .channels-grid{grid-template-columns:1fr}
    .contact-trust{grid-template-columns:1fr 1fr;gap:12px}
    .ct-item{padding:14px 10px}
    .ct-item b{font-size:18px}
    .mf-actions{flex-direction:column}
    .mf-actions .btn{width:100%}
    .contact-qr-card .contact-list{grid-template-columns:1fr;gap:6px}
    .message-aside{flex-direction:column}
  }
  @media (max-width:480px){
    .contact-trust{grid-template-columns:1fr}
  }