/* =========================================================================
   美国观察 / U.S. FIELD NOTES — 文章页共享样式(实地走访·编辑风)
   4 篇 field/*.html 统一引用,单点维护。刻意区别于 news/*.html:
   照片主角 + 第一人称走访 + 图说 + 引文 + 橡皮章,无 SVG 封面/大数字/一二三章节。
   nav / footer / floating-cta / 品牌色 / 字体仍来自 shared.css。
   ========================================================================= */
/* =========================================================================
   美国观察 / FIELD NOTES — 实地走访·编辑风
   刻意区别于 news/*.html 的 AI 模板:无 SVG 封面 / 无大数字卡 / 无 TL;DR /
   无首字下沉 / 无一二三章节;改为照片主角 + 第一人称走访 + 图说 + 引文。
   仅复用 shared.css 的 nav / footer / floating-cta / 品牌色 / 字体。
   ========================================================================= */
body { color: #2b2926; background: #faf8f3; }

/* ---- 顶部全幅照片 HERO ---- */
.fr-hero { position: relative; width: 100%; height: 72vh; min-height: 460px; max-height: 760px; overflow: hidden; }
.fr-hero-img { width: 100%; height: 100%; object-fit: cover; object-position: center 42%; display: block; }
.fr-hero-shade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,27,42,0.34) 0%, rgba(13,27,42,0.05) 34%, rgba(13,27,42,0.30) 66%, rgba(13,27,42,0.82) 100%);
}
.fr-hero-inner {
  position: absolute; left: 0; right: 0; bottom: 0;
  max-width: 1100px; margin: 0 auto; padding: 0 40px 56px;
}
.fr-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Bebas Neue', sans-serif; font-size: 14px; letter-spacing: 4px;
  color: #fff; margin-bottom: 18px;
}
.fr-kicker .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--gold-light); }
.fr-kicker .zh { letter-spacing: 3px; }
.fr-hero-title {
  font-family: 'Noto Serif SC', serif; font-weight: 700;
  font-size: 46px; line-height: 1.32; letter-spacing: 1px;
  color: #fff; max-width: 17em; text-shadow: 0 2px 24px rgba(0,0,0,0.35);
}
.fr-hero-byline {
  margin-top: 20px; font-family: 'Noto Sans SC', sans-serif;
  font-size: 14px; color: rgba(255,255,255,0.82); letter-spacing: 0.5px;
}
.fr-hero-byline b { color: #fff; font-weight: 500; }

/* ---- 面包屑(浅条) ---- */
.fr-crumb-wrap { background: #f3efe6; border-bottom: 1px solid #e7e0d2; }
.fr-crumb { max-width: 1100px; margin: 0 auto; padding: 12px 40px; font-size: 13px; color: #8a8270; letter-spacing: 0.3px; }
.fr-crumb a { color: #8a8270; transition: color 0.2s; }
.fr-crumb a:hover { color: var(--teal); }
.fr-crumb .sep { margin: 0 9px; color: var(--gold); }
.fr-crumb .cur { color: #4a463d; }

/* ---- 正文容器:窄栏阅读 + 可"破栏"放大图 ---- */
.fr-wrap { max-width: 720px; margin: 0 auto; padding: 56px 24px 24px; }
.fr-body { font-family: 'Noto Serif SC', serif; font-size: 18px; line-height: 1.95; color: #2b2926; }
.fr-body p { margin: 0 0 1.5em; }
.fr-lede { font-size: 21px; line-height: 1.85; color: #1f1d1a; }
.fr-lede::first-letter { color: var(--teal); }
.fr-body strong { font-weight: 700; color: #1f1d1a; }
.fr-body em { font-style: normal; color: var(--gold); font-weight: 600; }
.fr-body a.inline { color: var(--teal); border-bottom: 1px solid rgba(9,184,160,0.4); transition: border-color 0.2s; }
.fr-body a.inline:hover { border-bottom-color: var(--teal); }

/* ---- 段落小标(描述式,无编号、无英文 eyebrow) ---- */
.fr-h2 {
  font-family: 'Noto Serif SC', serif; font-weight: 700;
  font-size: 26px; line-height: 1.5; color: #1f1d1a; letter-spacing: 0.5px;
  margin: 52px 0 22px;
}

/* ---- 图(可破栏,比正文宽) ---- */
.fr-figure { margin: 40px 0; }
.fr-figure.wide { width: calc(100% + 180px); margin-left: -90px; }
.fr-figure img { width: 100%; height: auto; display: block; border-radius: 10px; box-shadow: 0 18px 40px rgba(30,22,10,0.12); }
.fr-figure figcaption {
  margin-top: 12px; font-family: 'Noto Sans SC', sans-serif;
  font-size: 13.5px; line-height: 1.7; color: #8a8270; letter-spacing: 0.2px;

}
.fr-figure figcaption b { color: #5a5648; font-weight: 600; }
.fr-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fr-duo .fr-figure { margin: 0; }

/* ---- 门店档案 aside ---- */
.fr-file {
  margin: 14px 0 38px; padding: 26px 28px;
  background: linear-gradient(165deg, #fffdf8 0%, #fbf6ea 100%);
  border: 1px solid #ece2cb; border-radius: 14px;
  position: relative; overflow: hidden;
}
.fr-file-h { font-family: 'Bebas Neue', sans-serif; font-size: 14px; letter-spacing: 4px; color: var(--gold); margin-bottom: 16px; }
.fr-file dl { display: grid; grid-template-columns: auto 1fr; gap: 9px 18px; margin: 0; }
.fr-file dt { font-family: 'Noto Sans SC', sans-serif; font-size: 13.5px; color: #9a917c; white-space: nowrap; }
.fr-file dd { margin: 0; font-family: 'Noto Sans SC', sans-serif; font-size: 14.5px; color: #2b2926; line-height: 1.6; }
.fr-file dd b { color: var(--teal); font-weight: 600; }

/* ---- 引文 ---- */
.fr-pull {
  margin: 40px 0; padding: 0;
  font-family: 'Noto Serif SC', serif; font-weight: 600;
  font-size: 23px; line-height: 1.7; color: #1f1d1a; letter-spacing: 0.3px;
}

/* ---- 卖家启发(要点) ---- */
.fr-takeaways { margin: 26px 0 8px; display: grid; gap: 16px; }
.fr-take {
  display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start;
  padding: 20px 22px; background: #fff;
  border: 1px solid #ece2cb; border-radius: 12px;
}
.fr-take-n { font-family: 'Bebas Neue', sans-serif; font-size: 26px; line-height: 1; color: var(--gold); padding-top: 2px; }
.fr-take p { margin: 0; font-family: 'Noto Sans SC', sans-serif; font-size: 15.5px; line-height: 1.85; color: #3f3c36; }
.fr-take p b { color: #1f1d1a; }

/* ---- 实地问答(轻量,非模板卡) ---- */
.fr-qa { margin: 22px 0 8px; }
.fr-qa-item { padding: 18px 0; border-bottom: 1px solid #ece2cb; }
.fr-qa-item:first-child { border-top: 1px solid #ece2cb; }
.fr-qa-q { font-family: 'Noto Serif SC', serif; font-weight: 700; font-size: 17px; color: #1f1d1a; margin: 0 0 8px; }
.fr-qa-q::before { content: 'Q'; color: var(--teal); font-family: 'Bebas Neue', sans-serif; margin-right: 9px; font-size: 18px; }
.fr-qa-a { margin: 0; font-family: 'Noto Sans SC', sans-serif; font-size: 15px; line-height: 1.85; color: #3f3c36; }

/* ---- 软性 CTA ---- */
.fr-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
  margin: 48px 0 8px; padding: 26px 32px;
  background: linear-gradient(110deg, #0e2d3a 0%, #0a2230 100%);
  border-radius: 16px; text-decoration: none; color: inherit;
  position: relative; overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.fr-cta:hover { transform: translateY(-2px); box-shadow: 0 16px 38px rgba(10,34,48,0.28); }
.fr-cta-eye { font-family: 'Bebas Neue', sans-serif; font-size: 12px; letter-spacing: 3px; color: rgba(9,184,160,0.85); margin-bottom: 7px; }
.fr-cta-h { font-family: 'Noto Serif SC', serif; font-size: 19px; font-weight: 600; color: #fff; line-height: 1.5; margin-bottom: 5px; }
.fr-cta-d { font-family: 'Noto Sans SC', sans-serif; font-size: 13.5px; color: rgba(255,255,255,0.62); line-height: 1.7; }
.fr-cta-btn { flex-shrink: 0; background: var(--teal); color: #fff; padding: 12px 26px; border-radius: 8px; font-family: 'Noto Sans SC', sans-serif; font-size: 14px; font-weight: 600; letter-spacing: 1px; white-space: nowrap; transition: background 0.25s; }
.fr-cta:hover .fr-cta-btn { background: #07a08b; }

/* ---- 相关阅读 + 返回 ---- */
.fr-related { max-width: 760px; margin: 36px auto 0; padding: 40px 24px 8px; border-top: 1px solid #e7e0d2; }
.fr-related-h { font-family: 'Bebas Neue', sans-serif; font-size: 13px; letter-spacing: 4px; color: var(--gold); text-align: center; margin-bottom: 22px; }
.fr-related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fr-related-card { padding: 18px 20px; background: #fff; border: 1px solid #ece2cb; border-radius: 12px; display: flex; flex-direction: column; gap: 7px; transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s; color: inherit; }
.fr-related-card:hover { border-color: rgba(9,184,160,0.4); transform: translateY(-3px); box-shadow: 0 10px 26px rgba(30,22,10,0.08); }
.fr-related-meta { font-family: 'Noto Sans SC', sans-serif; font-size: 12px; color: #9a917c; letter-spacing: 0.5px; }
.fr-related-title { font-family: 'Noto Serif SC', serif; font-size: 15.5px; font-weight: 600; color: #1f1d1a; line-height: 1.55; }
.fr-related-cta { font-family: 'Noto Sans SC', sans-serif; font-size: 13px; color: var(--teal); font-weight: 600; }
.fr-back { max-width: 760px; margin: 0 auto; padding: 30px 24px 64px; text-align: center; }
.fr-back a { display: inline-block; padding: 12px 30px; border: 1px solid var(--teal); border-radius: 8px; color: var(--teal); font-family: 'Noto Sans SC', sans-serif; font-size: 14.5px; letter-spacing: 1.5px; transition: background 0.2s, color 0.2s; }
.fr-back a:hover { background: var(--teal); color: #fff; }

/* ---- 响应式 ---- */
@media (max-width: 900px) {
  .fr-hero-title { font-size: 34px; }
  .fr-hero-inner { padding: 0 24px 40px; }
  .fr-figure.wide { width: 100%; margin-left: 0; }
}
@media (max-width: 768px) {
  .fr-hero { height: 64vh; min-height: 380px; }
  .fr-hero-title { font-size: 28px; }
  .fr-crumb { padding: 11px 22px; }
  .fr-wrap { padding: 40px 20px 20px; }
  .fr-body { font-size: 17px; }
  .fr-lede { font-size: 19px; }
  .fr-h2 { font-size: 22px; margin: 42px 0 18px; }
  .fr-pull { font-size: 20px; }
  .fr-duo { grid-template-columns: 1fr; }
  .fr-file dl { grid-template-columns: 1fr; gap: 3px 0; }
  .fr-file dt { margin-top: 10px; }
  .fr-take { grid-template-columns: 1fr; gap: 8px; }
  .fr-related-grid { grid-template-columns: 1fr; }
  .fr-cta { padding: 22px 24px; }
  .fr-cta-btn { width: 100%; text-align: center; }
}

/* ---- 栏目橡皮章(hero 角标,呼应 /field/ 列表页身份) ---- */
.fr-stamp {
  position: absolute; right: 40px; bottom: 46px; z-index: 2;
  display: inline-flex; flex-direction: column; align-items: center; gap: 2px;
  border: 2.5px solid rgba(255,255,255,0.9); color: #fff; border-radius: 6px;
  padding: 8px 14px 7px; text-transform: uppercase; line-height: 1;
  transform: rotate(-7deg);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.4); background: rgba(9,184,160,0.14);
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}
.fr-stamp b { font-family: 'Bebas Neue', sans-serif; font-size: 15px; letter-spacing: 3px; }
.fr-stamp span { font-size: 9px; letter-spacing: 2px; color: rgba(255,255,255,0.85); }
@media (max-width: 900px){ .fr-stamp{ right: 20px; bottom: 34px; transform: scale(.88) rotate(-7deg);} }