/* cost.模具设计.中国 独立样式 —— 深墨绿 + 铜金，衬线标题体系 */
:root {
  --ink: #14231d;
  --ink-soft: #3d5248;
  --green: #0e3a2f;
  --green-deep: #092620;
  --gold: #b8863b;
  --gold-soft: #d9b476;
  --paper: #f6f4ee;
  --card: #ffffff;
  --line: #ddd6c8;
  --h2-inset: 48px;
  --serif: Georgia, "Noto Serif SC", "Source Han Serif SC", "SimSun", serif;
  --sans: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: var(--ink); background: var(--paper); line-height: 1.75; }
a { color: var(--green); }
a:hover { color: var(--gold); }
img { max-width: 100%; }
.mce-wrap { max-width: 1620px; margin: 0 auto; padding: 0 20px; }

/* 头部 */
.mce-head { position: sticky; top: 0; z-index: 50; background: var(--green-deep); border-bottom: 3px solid var(--gold); }
.mce-head-in { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.mce-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.mce-logo-mark { font-family: var(--serif); font-weight: 700; color: var(--green-deep); background: var(--gold); padding: 4px 9px; border-radius: 4px; letter-spacing: 1px; }
.mce-logo-txt b { display: block; color: #fff; font-family: var(--serif); font-size: 17px; line-height: 1.2; }
.mce-logo-txt i { display: block; color: var(--gold-soft); font-style: normal; font-size: 11px; letter-spacing: 1px; }
.mce-nav { margin-left: auto; }
.mce-nav ul { display: flex; gap: 6px; list-style: none; }
.mce-nav a { display: block; padding: 8px 14px; color: #e8efe9; text-decoration: none; font-size: 15px; border-radius: 4px; }
.mce-nav a:hover { background: rgba(255,255,255,.08); color: var(--gold-soft); }
.mce-nav a.on { color: var(--gold-soft); box-shadow: inset 0 -2px 0 var(--gold); }
.mce-burger { display: none; margin-left: auto; background: none; border: 1px solid rgba(255,255,255,.3); border-radius: 4px; padding: 8px 10px; cursor: pointer; }
.mce-burger span { display: block; width: 20px; height: 2px; background: #fff; margin: 4px 0; }

/* 面包屑与 H2 对齐：正文 H2 左内缩 --h2-inset，面包屑同步内缩加边宽 */
.mce-crumb { padding: 14px 20px 0; }
.mce-crumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; font-size: 13px; color: var(--ink-soft); }
.mce-crumb li + li::before { content: "/"; margin-right: 4px; color: var(--gold); }
.mce-crumb a { color: var(--ink-soft); text-decoration: none; }
.mce-crumb a:hover { color: var(--gold); }

/* 详情两栏：正文 + 右侧目录 */
.mce-main { padding: 18px 0 60px; }
.mce-detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 40px; align-items: start; }
.mce-body { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 36px 40px 44px; }

.mce-body h1 { font-family: var(--serif); font-size: 28px; line-height: 1.35; color: var(--green); margin-bottom: 10px; }
.mce-meta { display: flex; flex-wrap: wrap; gap: 14px; font-size: 13px; color: var(--ink-soft); border-bottom: 1px dashed var(--line); padding-bottom: 16px; margin-bottom: 22px; }
.mce-meta time::after { content: " · "; }
.mce-meta time:last-of-type::after { content: ""; }
.mce-article h2 {
  font-family: var(--serif); font-size: 21px; color: var(--green);
  margin: 34px 0 14px; padding-left: var(--h2-inset); position: relative;
}
.mce-article h2::before {
  content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 5px;
  background: linear-gradient(var(--gold), var(--green)); border-radius: 3px;
}
.mce-article h3 { font-size: 16px; color: var(--ink); margin: 20px 0 8px; }
.mce-article p { margin: 0 0 14px; }
.mce-article ul, .mce-article ol { margin: 0 0 14px 22px; }
.mce-article li { margin-bottom: 6px; }
.mce-article blockquote { border-left: 4px solid var(--gold-soft); background: #faf7f0; padding: 10px 16px; margin: 0 0 14px; color: var(--ink-soft); }
.mce-article code { background: #eef1ec; padding: 1px 6px; border-radius: 3px; font-size: 13px; }

/* 摘要块 / 结论块 */
.mce-tldr { background: linear-gradient(135deg, #f0f5f1, #faf7f0); border: 1px solid var(--gold-soft); border-radius: 8px; padding: 14px 18px; margin-bottom: 20px; }
.mce-tldr-cap, .mce-verdict-cap { font-family: var(--serif); font-weight: 700; color: var(--gold); font-size: 14px; letter-spacing: 2px; margin-bottom: 4px; }
.mce-verdict { background: var(--green); color: #eef4ef; border-radius: 8px; padding: 16px 20px; margin-top: 30px; }
.mce-verdict-cap { color: var(--gold-soft); }
.mce-verdict p { margin: 0; }

/* 表格 */
.mce-table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 0 0 18px; }
.mce-table th { background: var(--green); color: #fff; font-weight: 600; padding: 8px 10px; text-align: left; }
.mce-table td { border: 1px solid var(--line); padding: 7px 10px; }
.mce-table tbody tr:nth-child(even) { background: #f7f5ef; }

/* FAQ / 相关阅读 */
.mce-faq details { border: 1px solid var(--line); border-radius: 6px; margin-bottom: 10px; background: #fbfaf6; }
.mce-faq summary { cursor: pointer; font-weight: 600; padding: 10px 14px; color: var(--green); }
.mce-faq-a { padding: 0 14px 12px; color: var(--ink-soft); }
.mce-refs { margin-top: 30px; border-top: 1px dashed var(--line); padding-top: 18px; }
.mce-refs h2 { font-family: var(--serif); font-size: 18px; color: var(--green); margin-bottom: 10px; padding-left: var(--h2-inset); position: relative; }
.mce-refs h2::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 5px; background: var(--gold); border-radius: 3px; }
.mce-refs ul { list-style: none; }
.mce-refs li { padding: 6px 0; border-bottom: 1px dashed var(--line); }
.mce-refs a { text-decoration: none; }

/* 右侧目录 */
.mce-toc { position: sticky; top: 92px; font-size: 13px; }
.mce-toc-box { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; }
.mce-toc-cap { font-family: var(--serif); font-weight: 700; color: var(--gold); letter-spacing: 2px; margin-bottom: 8px; }
.mce-toc ul { list-style: none; }
.mce-toc li { border-left: 2px solid transparent; }
.mce-toc a { display: block; padding: 5px 8px; color: var(--ink-soft); text-decoration: none; border-left: 2px solid transparent; }
.mce-toc a:hover { color: var(--gold); border-left-color: var(--gold); }

/* 首页 */
.mce-hero { background: linear-gradient(160deg, var(--green-deep) 55%, var(--green)); border-radius: 12px; color: #eef4ef; padding: 64px 48px; margin: 24px 0 40px; position: relative; overflow: hidden; }
.mce-hero::after { content: "COST"; position: absolute; right: -20px; bottom: -34px; font-family: var(--serif); font-size: 150px; color: rgba(184,134,59,.12); letter-spacing: 8px; }
.mce-hero-kicker { color: var(--gold-soft); letter-spacing: 3px; font-size: 13px; margin-bottom: 12px; }
.mce-hero h1 { font-family: var(--serif); font-size: 40px; line-height: 1.3; margin-bottom: 16px; }
.mce-hero-sub { max-width: 640px; color: #cfe0d4; margin-bottom: 26px; }
.mce-hero-cta { display: flex; gap: 14px; }
.mce-btn { background: var(--gold); color: var(--green-deep); padding: 10px 26px; border-radius: 6px; text-decoration: none; font-weight: 600; }
.mce-btn:hover { background: var(--gold-soft); color: var(--green-deep); }
.mce-btn-ghost { border: 1px solid rgba(255,255,255,.4); color: #eef4ef; padding: 10px 26px; border-radius: 6px; text-decoration: none; }
.mce-btn-ghost:hover { border-color: var(--gold-soft); color: var(--gold-soft); }
.mce-home-sec { margin-bottom: 44px; }
.mce-home-sec > h2 { font-family: var(--serif); font-size: 24px; color: var(--green); margin-bottom: 16px; padding-left: 14px; border-left: 5px solid var(--gold); }
.mce-note { font-size: 12px; color: var(--ink-soft); }
.mce-bar { display: grid; grid-template-columns: 130px 1fr 76px; align-items: center; gap: 12px; margin-bottom: 9px; font-size: 14px; }
.mce-bar-track { background: #e8e4d8; border-radius: 5px; height: 14px; overflow: hidden; }
.mce-bar-fill { display: block; height: 100%; background: linear-gradient(90deg, var(--green), var(--gold)); border-radius: 5px; }
.mce-bar-val { color: var(--ink-soft); font-variant-numeric: tabular-nums; text-align: right; }
.mce-tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.mce-tier { background: var(--card); border: 1px solid var(--line); border-top: 4px solid var(--gold-soft); border-radius: 8px; padding: 20px; }
.mce-tier-mid { border-top-color: var(--gold); box-shadow: 0 6px 18px rgba(14,58,47,.08); }
.mce-tier h3 { font-family: var(--serif); color: var(--green); margin-bottom: 8px; }
.mce-tier p { font-size: 14px; color: var(--ink-soft); margin-bottom: 10px; }
.mce-tier-fit { font-size: 12px; color: var(--gold); }
.mce-home-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mce-home-list a { display: flex; flex-direction: column; gap: 4px; background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; text-decoration: none; }
.mce-home-list a:hover { border-color: var(--gold); }
.mce-home-list b { font-family: var(--serif); color: var(--green); font-size: 15px; }
.mce-home-list span { font-size: 13px; color: var(--ink-soft); }

/* 卡片列表页 */
.mce-lead { color: var(--ink-soft); margin-bottom: 24px; max-width: 720px; }
.mce-cards { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 30px; }
.mce-card a { display: flex; flex-direction: column; gap: 6px; height: 100%; background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 18px; text-decoration: none; transition: border-color .15s, transform .15s; }
.mce-card a:hover { border-color: var(--gold); transform: translateY(-2px); }
.mce-card-tag { align-self: flex-start; font-size: 12px; color: var(--gold); border: 1px solid var(--gold-soft); border-radius: 99px; padding: 1px 10px; }
.mce-card-t { font-family: var(--serif); font-weight: 700; color: var(--green); font-size: 17px; line-height: 1.4; }
.mce-card-s { font-size: 13px; color: var(--ink-soft); }
.mce-cat-block h2 { font-family: var(--serif); font-size: 20px; color: var(--green); margin: 26px 0 12px; }

/* 页脚 */
.mce-foot { background: var(--green-deep); color: #b9cbc0; padding: 40px 0 48px; font-size: 13px; }
.mce-foot-brand { font-family: var(--serif); color: #fff; font-size: 16px; margin-bottom: 10px; }
.mce-foot p { margin-bottom: 8px; max-width: 720px; }
.mce-foot-nav { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 14px; }
.mce-foot-nav a { color: var(--gold-soft); text-decoration: none; }

/* 悬浮胶囊 */
.mce-capsule { position: fixed; right: 18px; top: 50%; transform: translateY(-50%); z-index: 60; display: flex; flex-direction: column; gap: 8px; }
.mce-cap-btn { display: flex; flex-direction: column; align-items: center; gap: 3px; border: none; cursor: pointer; color: var(--green-deep); background: linear-gradient(180deg, var(--gold-soft), var(--gold)); padding: 10px 9px; border-radius: 99px; font-size: 12px; box-shadow: 0 4px 12px rgba(9,38,32,.25); }
.mce-cap-btn:hover { filter: brightness(1.06); }

/* 名片弹层：300x500 原尺寸名片 + 加宽容器 */
.mce-mask { position: fixed; inset: 0; background: rgba(9,38,32,.62); z-index: 80; display: flex; align-items: center; justify-content: center; }
.mce-mask[hidden] { display: none; }
.mce-card { position: relative; width: 400px; max-width: 92vw; padding: 52px 44px 28px; background: #fff; border-radius: 12px; box-shadow: 0 12px 40px rgba(0,0,0,.4); text-align: center; }
.mce-card img { width: 300px; height: 500px; max-width: 100%; object-fit: fill; display: block; margin: 0 auto; border-radius: 6px; }
.mce-card-tip { margin: 14px 0 0; font-size: 13px; color: #6b7a75; letter-spacing: .04em; }
.mce-card-close { position: absolute; top: 10px; right: 12px; z-index: 2; background: rgba(9,38,32,.55); color: #fff; border: none; width: 32px; height: 32px; border-radius: 50%; cursor: pointer; font-size: 18px; line-height: 1; }
.mce-card-close:hover { background: rgba(9,38,32,.8); }

/* 移动端 */
@media (max-width: 900px) {
  :root { --h2-inset: 16px; }
  .mce-detail-grid { grid-template-columns: 1fr; }
  .mce-toc { display: none; }
  .mce-body { padding: 24px 18px 30px; }
  .mce-burger { display: block; }
  .mce-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--green-deep); border-top: 1px solid rgba(255,255,255,.12); }
  .mce-nav.open { display: block; }
  .mce-nav ul { flex-direction: column; padding: 8px 16px 14px; }
  .mce-hero { padding: 40px 22px; }
  .mce-hero h1 { font-size: 28px; }
  .mce-hero::after { font-size: 90px; }
  .mce-tiers, .mce-cards, .mce-home-list { grid-template-columns: 1fr; }
  .mce-bar { grid-template-columns: 96px 1fr 64px; font-size: 13px; }
  .mce-capsule { right: 10px; }
  .mce-crumb { padding: 12px 18px 0; }
}