/* ============================================================
   UKAssignment - 论文价格页样式
   配色：藏青 + 古铜金  |  价格计算器 / 报价卡片 / FAQ
   引用：<link rel="stylesheet" href="/skin/css/pricing.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}

  /* ===== Hero（左右结构，复用 column-hero 体系） ===== */
  .column-hero{
    position:relative;overflow:hidden;color:#fff;
    background:linear-gradient(135deg,var(--navy-950) 0%,var(--navy-800) 55%,var(--navy-700) 100%);
    padding:64px 0 56px;
  }
  .column-hero::before{
    content:"";position:absolute;inset:0;opacity:.55;
    background:
      radial-gradient(circle at 12% 22%,rgba(176,141,87,.22),transparent 30%),
      radial-gradient(circle at 88% 78%,rgba(201,169,97,.14),transparent 32%);
  }
  .column-hero::after{
    content:"";position:absolute;inset:auto -8% -40% auto;width:480px;height:480px;border-radius:50%;
    border:1px solid rgba(220,194,138,.14);
  }
  .column-hero-inner{
    position:relative;z-index:1;
    display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:center;
  }
  .hero-main{min-width:0}
  .column-hero .eyebrow{
    display:inline-flex;align-items:center;gap:9px;padding:8px 16px;margin-bottom:18px;
    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;
  }
  .column-hero h1{
    margin:0;font-size:clamp(30px,4.2vw,48px);line-height:1.18;letter-spacing:-.6px;
    font-family:Georgia,"Songti SC",serif;
  }
  .column-hero .lead{
    color:#cdd6e3;font-size:16px;margin:18px 0 0;max-width:680px;
    font-family:-apple-system,"PingFang SC",sans-serif;line-height:1.85;
  }
  .column-stats{
    margin-top:30px;display:flex;gap:36px;flex-wrap:wrap;
    padding-top:24px;border-top:1px solid rgba(220,194,138,.22);
  }
  .column-stats .stat{display:flex;flex-direction:column;gap:4px}
  .column-stats .stat b{color:var(--gold-400);font-size:30px;line-height:1;font-family:Georgia,serif;letter-spacing:.5px}
  .column-stats .stat span{color:#aeb8c6;font-size:13px;font-family:-apple-system,"PingFang SC",sans-serif}

  /* hero 右侧二维码卡 */
  .hero-aside{position:relative;z-index:1}
  .aside-card{
    background:rgba(251,249,243,.97);color:var(--ink);
    border-radius:20px;padding:24px;
    border:1px solid rgba(220,194,138,.5);
    box-shadow:0 24px 60px rgba(13,27,46,.35);position:relative;
  }
  .aside-card::before{
    content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;
    background:radial-gradient(circle,rgba(176,141,87,.18),transparent 70%);
  }
  .qr-head{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    position:relative;z-index:1;margin-bottom:4px;
  }
  .aside-card > p,.aside-card .qr-head + p{
    margin:0 0 14px;color:var(--muted);font-size:13px;
    font-family:-apple-system,"PingFang SC",sans-serif;position:relative;z-index:1;
  }
  .aside-qr h2{
    margin:0;font-size:20px;color:var(--navy-900);
    font-family:Georgia,"Songti SC",serif;letter-spacing:.3px;
  }
  .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;
  }
  .qr-wrap{
    position:relative;z-index:1;width:100%;aspect-ratio:1;
    padding:8px;background:#fff;border-radius:12px;
    border:1px solid var(--line);
    box-shadow:0 10px 24px rgba(13,27,46,.08);transition:transform .3s,border-color .3s;
  }
  .qr-wrap:hover{transform:translateY(-4px);border-color:var(--gold-400)}
  .qr-wrap img{display:block;width:100%;height:100%;object-fit:contain;border-radius:6px}
  .qr-wrap::after{
    content:"";position:absolute;inset:-5px;border-radius:16px;pointer-events:none;
    border:1px dashed rgba(176,141,87,.4);
  }
  .qr-grid{
    display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative;z-index:1;margin:0 auto 14px;
  }
  .qr-item{display:flex;flex-direction:column;align-items:center;gap:8px}
  .qr-name{
    font-size:12px;font-weight:600;color:var(--navy-700);letter-spacing:.3px;
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .qr-contacts{
    list-style:none;margin:0 0 14px;padding:12px 0 0;display:flex;flex-direction:column;gap:8px;
    border-top:1px solid var(--line);position:relative;z-index:1;
  }
  .qr-contacts li{
    display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;
    font-family:-apple-system,"PingFang SC",sans-serif;
  }
  .qr-contacts .qr-label{color:var(--muted);font-size:12px;flex:none;width:42px}
  .qr-contacts b{color:var(--navy-900);font-weight:600;letter-spacing:.2px}
  .aside-cta{display:flex;align-items:center;justify-content:center;width:100%;margin-top:0;position:relative;z-index:1}

  /* ===== 计算器布局 ===== */
  .calc-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start}
  .calc-form{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:32px;box-shadow:0 14px 40px rgba(13,27,46,.07);
    display:grid;grid-template-columns:1fr 1fr;gap:22px;
  }
  .calc-field{display:flex;flex-direction:column;gap:8px}
  .calc-field-wide{grid-column:1/-1}
  .calc-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;justify-content:space-between;gap:8px;
  }
  .calc-value{color:var(--gold-700);font-size:14px;font-weight:700;font-family:Georgia,serif}
  .calc-form select,.calc-form input[type="range"]{
    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;
  }
  .calc-form 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;
  }
  .calc-form select:focus,.calc-form input:focus{outline:none;border-color:var(--gold-500);box-shadow:0 0 0 3px rgba(176,141,87,.16)}

  /* range slider */
  .calc-form input[type="range"]{
    -webkit-appearance:none;appearance:none;height:8px;padding:0;border-radius:999px;
    background:linear-gradient(90deg,var(--gold-500) 0%,var(--gold-500) var(--p,30%),var(--line) var(--p,30%),var(--line) 100%);
    cursor:pointer;min-height:8px;
  }
  .calc-form input[type="range"]::-webkit-slider-thumb{
    -webkit-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;
    background:#fff;border:3px solid var(--gold-500);box-shadow:0 4px 12px rgba(176,141,87,.35);cursor:pointer;
    transition:transform .2s;
  }
  .calc-form input[type="range"]::-webkit-slider-thumb:hover{transform:scale(1.18)}
  .calc-form input[type="range"]::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:#fff;border:3px solid var(--gold-500);cursor:pointer}
  .calc-range-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);font-family:-apple-system,sans-serif;margin-top:-2px}

  /* addons 布局：标签独占一行,4 个 checkbox 2x2 排列,文字不换行 */
  .calc-addons{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;align-items:center}
  .calc-addon-label{grid-column:1/-1;font-size:13px;font-weight:700;color:var(--navy-900);font-family:-apple-system,"PingFang SC",sans-serif;letter-spacing:.3px}
  .calc-check{
    display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border:1px solid var(--line);border-radius:999px;
    background:#fff;cursor:pointer;font-size:13px;font-family:-apple-system,"PingFang SC",sans-serif;color:var(--navy-800);
    transition:.25s;user-select:none;justify-content:flex-start;min-width:0;
  }
  .calc-check span{white-space:nowrap}
  .calc-check:hover{border-color:var(--gold-400);background:rgba(176,141,87,.06)}
  .calc-check input{accent-color:var(--gold-600);width:16px;height:16px;cursor:pointer}
  .calc-check input:checked + span{color:var(--gold-700);font-weight:700}

  /* ===== 计算结果卡 ===== */
  .calc-result{position:sticky;top:90px}
  .calc-result-card{
    background:linear-gradient(135deg,var(--navy-950),var(--navy-700));color:#fff;
    border-radius:24px;padding:30px;border:1px solid rgba(176,141,87,.35);
    box-shadow:0 24px 60px rgba(13,27,46,.25);position:relative;overflow:hidden;
  }
  .calc-result-card::after{content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;border-radius:50%;border:1px solid rgba(220,194,138,.18)}
  .calc-result-kicker{color:var(--gold-300);font-size:12px;letter-spacing:2px;text-transform:uppercase;font-weight:700;font-family:-apple-system,sans-serif}
  .calc-result-price{display:flex;align-items:baseline;gap:6px;margin:10px 0 6px;position:relative;z-index:1}
  .price-currency{color:var(--gold-300);font-size:22px;font-family:Georgia,serif;font-weight:700}
  .price-low,.price-high{font-size:42px;font-weight:700;color:#fff;font-family:Georgia,serif;line-height:1;letter-spacing:-1px;transition:color .3s}
  .price-low.flash,.price-high.flash{color:var(--gold-400)}
  .price-sep{color:rgba(220,194,138,.6);font-size:26px;font-family:Georgia,serif}
  .calc-result-note{color:#aeb8c6;font-size:12px;margin:0 0 16px;font-family:-apple-system,"PingFang SC",sans-serif;position:relative;z-index:1}

  .calc-breakdown{list-style:none;margin:0 0 18px;padding:14px 0;border-top:1px solid rgba(220,194,138,.18);border-bottom:1px solid rgba(220,194,138,.18);position:relative;z-index:1}
  .calc-breakdown li{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:13px;font-family:-apple-system,"PingFang SC",sans-serif}
  .calc-breakdown li span{color:#aeb8c6}
  .calc-breakdown li b{color:var(--gold-300);font-family:Georgia,serif;font-weight:700}

  .calc-cta{display:flex;flex-direction:column;gap:10px;margin-bottom:18px;position:relative;z-index:1}
  .calc-cta .btn{justify-content:center}
  .calc-cta .btn-outline{border-color:rgba(220,194,138,.4);color:var(--gold-300);background:rgba(255,255,255,.04)}
  .calc-cta .btn-outline:hover{background:rgba(176,141,87,.16);color:#fff;border-color:var(--gold-400)}

  .calc-bonus{padding:14px;border-radius:14px;background:rgba(176,141,87,.14);border:1px dashed rgba(220,194,138,.4);position:relative;z-index:1}
  .calc-bonus strong{display:block;color:var(--gold-300);font-size:13px;letter-spacing:1px;margin-bottom:4px;font-family:-apple-system,sans-serif}
  .calc-bonus p{margin:0;color:#cdd6e3;font-size:12px;font-family:-apple-system,"PingFang SC",sans-serif;line-height:1.7}
  .calc-bonus b{color:var(--gold-300)}

  /* ===== 影响因素卡片 ===== */
  .factor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .factor-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
    box-shadow:0 14px 40px rgba(13,27,46,.06);transition:transform .3s,box-shadow .3s,border-color .3s;
    position:relative;overflow:hidden;
  }
  .factor-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}
  .factor-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:var(--gold-400)}
  .factor-card:hover::before{transform:scaleX(1)}
  .factor-num{font-family:Georgia,serif;font-size:34px;font-weight:700;color:var(--gold-300);line-height:1;margin-bottom:14px;opacity:.85;-webkit-text-stroke:1px var(--gold-500);color:transparent}
  .factor-card h3{margin:0 0 8px;color:var(--navy-900);font-size:19px;font-family:Georgia,"Songti SC",serif}
  .factor-card p{margin:0;color:var(--muted);font-size:14px;font-family:-apple-system,"PingFang SC",sans-serif;line-height:1.7}

  /* ===== 详情介绍（栏目内容字段） ===== */
  .pricing-intro{padding:56px 0 60px;background:var(--paper)}
  .pricing-intro .section-head{margin-bottom:30px}
  .pricing-intro .rich-text{
    font-family:-apple-system,"PingFang SC",sans-serif;color:var(--ink);
    font-size:15px;line-height:1.9;
  }
  .pricing-intro .rich-text p{margin:0 0 18px}
  .pricing-intro .rich-text h3{
    margin:30px 0 14px;font-size:19px;color:var(--navy-900);
    font-family:Georgia,"Songti SC",serif;letter-spacing:.3px;
    padding-left:12px;border-left:3px solid var(--gold-500);
  }
  .pricing-intro .rich-text ul,.pricing-intro .rich-text ol{margin:0 0 18px;padding-left:22px}
  .pricing-intro .rich-text li{margin:8px 0;line-height:1.8}
  .pricing-intro .rich-text strong{color:var(--navy-900);font-weight:600}
  .pricing-intro .rich-text em{color:var(--gold-700);font-style:italic}
  .pricing-intro .rich-text blockquote{
    margin:20px 0;padding:16px 20px;background:#fff;border-radius:12px;
    border-left:4px solid var(--gold-500);color:var(--navy-800);
    box-shadow:0 8px 22px rgba(13,27,46,.06);font-size:14px;line-height:1.85;
  }
  .pricing-intro .rich-text blockquote strong{color:var(--gold-700)}
  .pricing-intro .rich-text figure{margin:24px 0}
  .pricing-intro .rich-text figure img{
    width:100%;height:auto;border-radius:14px;border:1px solid var(--line);
    box-shadow:0 12px 30px rgba(13,27,46,.08);
  }
  .pricing-intro .rich-text figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--muted)}

  /* ===== 响应式 ===== */
  @media (max-width:1040px){
    .column-hero-inner{grid-template-columns:1fr;gap:28px}
    .hero-aside{order:2}
    .calc-layout{grid-template-columns:1fr;gap:22px}
    .calc-result{position:static}
    .factor-grid{grid-template-columns:repeat(2,1fr)}
  }
  @media (max-width:720px){
    .column-hero{padding:48px 0 40px}
    .column-hero .lead{font-size:15px}
    .column-stats{gap:20px}
    .column-stats .stat b{font-size:24px}
    .aside-card{padding:20px}
    .calc-form{grid-template-columns:1fr;padding:22px}
    .factor-grid{grid-template-columns:1fr}
    .price-low,.price-high{font-size:34px}
    .pricing-intro{padding:40px 0 44px}
    .pricing-intro .rich-text{font-size:14px;line-height:1.85}
    .pricing-intro .rich-text h3{font-size:17px;margin:24px 0 12px}
    .pricing-intro .rich-text blockquote{padding:14px 16px;font-size:13px}
  }
  @media (max-width:480px){
    .column-hero h1{font-size:26px}
    .calc-addons{grid-template-columns:1fr}
  }