/* ============================================================
   黄梅挑花青年调研报告 · 报告版式
   与主站同源色板：藏青 / 桃红 / 米白 / 石绿 / 金
   ============================================================ */
:root{
  --paper:#F5EFE2;
  --paper-2:#FDFAF2;
  --ink:#15253F;
  --ink-2:#1D3762;
  --ink-mid:rgba(21,37,63,.74);
  --ink-low:rgba(21,37,63,.56);
  --line:rgba(21,37,63,.16);
  --peach:#C25563;
  --peach-soft:rgba(194,85,99,.1);
  --seal:#B5474F;
  --green:#4E9160;
  --gold:#A97F3F;
  --serif:'Noto Serif SC','Songti SC','STSong','SimSun',serif;
  --sans:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --en:'Cormorant Garamond','Georgia',serif;
  --ease:cubic-bezier(.22,.9,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);background:var(--paper);color:var(--ink);
  line-height:1.9;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
::selection{background:var(--peach);color:#FFF6F1}
:focus-visible{outline:2px solid var(--seal);outline-offset:3px;border-radius:6px}
section{scroll-margin-top:80px}
.skip-link{
  position:fixed;top:-60px;left:20px;z-index:3001;
  background:var(--ink);color:var(--paper);font-size:13px;font-weight:700;
  padding:10px 18px;border-radius:0 0 10px 10px;transition:top .3s var(--ease);
}
.skip-link:focus-visible{top:0}

/* ============ 封面 ============ */
.cover{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 500px at 88% 10%,rgba(194,85,99,.08),transparent 60%),
    radial-gradient(700px 500px at 4% 90%,rgba(78,145,96,.07),transparent 60%),
    var(--paper);
  border-bottom:1px solid var(--line);
}
.cover::before{
  content:"";position:absolute;inset:0;opacity:.4;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 90% at 30% 20%,black 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 90% at 30% 20%,black 30%,transparent 78%);
}
.cover-grid{
  position:relative;width:min(1240px,100%);margin:0 auto;
  padding:clamp(64px,9vw,120px) clamp(20px,4vw,48px) clamp(48px,6vw,80px);
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:clamp(28px,4vw,64px);align-items:center;
}
.cover-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:26px}
.cover-kicker span{display:inline-block;width:48px;height:1px;background:var(--seal)}
.cover-kicker small{font-size:10px;letter-spacing:.3em;color:var(--ink-low);width:100%}
.cover-kicker{font-size:13.5px;letter-spacing:.18em;color:var(--seal);font-weight:600}
.cover h1{
  font-family:var(--serif);font-weight:900;
  font-size:clamp(38px,5.6vw,72px);line-height:1.28;letter-spacing:.03em;
}
.cover h1 em{
  font-style:normal;color:var(--peach);
  font-size:.78em;letter-spacing:.06em;
}
.cover-meta{
  margin-top:22px;font-size:14.5px;letter-spacing:.1em;color:var(--ink-mid);
  border-left:3px solid var(--seal);padding-left:14px;
}
.cover-stats{display:flex;gap:clamp(22px,3vw,44px);margin-top:36px}
.cover-stats b{
  display:block;font-family:var(--en);font-style:italic;font-weight:600;
  font-size:clamp(38px,4vw,54px);line-height:1;color:var(--seal);
}
.cover-stats span{display:block;margin-top:8px;font-size:12.5px;letter-spacing:.14em;color:var(--ink-mid)}
.cover-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;letter-spacing:.12em;padding:13px 28px;border-radius:999px;
  transition:transform .35s var(--ease),box-shadow .35s;
}
.btn em{font-style:normal}
.btn:hover{transform:translateY(-3px)}
.btn-ink{background:var(--ink);color:var(--paper);box-shadow:0 12px 30px rgba(21,37,63,.25)}
.btn-ink:hover{box-shadow:0 18px 40px rgba(21,37,63,.35)}
.btn-line{border:1px solid rgba(21,37,63,.35)}
.btn-line:hover{border-color:var(--seal);color:var(--seal)}
.cover-art{
  position:relative;transform:rotate(1.6deg);
  border-radius:14px;overflow:hidden;border:1px solid var(--line);
  box-shadow:0 34px 80px rgba(21,37,63,.2);
  background:var(--paper-2);
}
.cover-art img{width:100%}
.cover-art figcaption{
  padding:13px 18px;font-size:11.5px;letter-spacing:.16em;color:var(--ink-low);
  background:var(--paper-2);border-top:1px solid var(--line);
}
.cover-foot{
  position:relative;width:min(1240px,100%);margin:0 auto;
  padding:0 clamp(20px,4vw,48px) 30px;
  font-size:12px;letter-spacing:.06em;color:var(--ink-low);
}

/* ============ 目录 + 正文布局 ============ */
.report-shell{
  width:min(1240px,100%);margin:0 auto;
  padding:clamp(44px,6vw,80px) clamp(20px,4vw,48px) 40px;
  display:grid;grid-template-columns:220px minmax(0,1fr);
  gap:clamp(28px,4vw,64px);align-items:start;
}
.toc{position:sticky;top:32px;border-right:1px solid var(--line);padding-right:18px}
.toc>b{
  display:block;font-family:var(--serif);font-size:17px;letter-spacing:.3em;
  margin-bottom:18px;color:var(--ink);
}
.toc ol{list-style:none;display:flex;flex-direction:column}
.toc a{
  display:flex;align-items:center;gap:10px;
  font-size:13.5px;letter-spacing:.08em;color:var(--ink-mid);
  padding:9px 10px;border-radius:8px;transition:all .3s var(--ease);
}
.toc a i{
  font-style:normal;font-family:var(--serif);font-size:13px;color:var(--seal);width:18px;
}
.toc a:hover{background:rgba(21,37,63,.05);color:var(--ink)}
.toc a.active{background:var(--ink);color:var(--paper)}
.toc a.active i{color:var(--gold)}

/* ============ 章节 ============ */
.report section{margin-bottom:clamp(64px,8vw,104px)}
.report h2{
  display:flex;align-items:center;gap:16px;
  font-family:var(--serif);font-weight:900;font-size:clamp(26px,3.2vw,38px);
  letter-spacing:.1em;margin-bottom:26px;
}
.report h2 i{
  font-style:normal;font-family:var(--serif);
  font-size:.62em;color:var(--seal);
  border:1.5px solid rgba(181,71,79,.45);border-radius:10px;
  padding:2px 10px 4px;background:var(--peach-soft);
}
.report h2::after{content:"";flex:1;height:1px;background:var(--line)}
.report p{color:var(--ink-mid);font-size:15px;margin-bottom:14px}
.sec-lead{font-size:13.5px;color:var(--ink-low);margin-top:-8px}

/* 摘要发现 */
.finding-list{list-style:none;counter-reset:fd;display:flex;flex-direction:column;gap:16px;margin-top:24px}
.finding-list li{
  counter-increment:fd;position:relative;
  background:var(--paper-2);border:1px solid var(--line);border-radius:14px;
  padding:18px 22px 18px 64px;font-size:14.5px;color:var(--ink-mid);
}
.finding-list li::before{
  content:counter(fd,cjk-ideographic);position:absolute;left:18px;top:16px;
  font-family:var(--serif);font-weight:700;font-size:20px;color:var(--seal);
}
.finding-list b{color:var(--ink);display:block;margin-bottom:4px;font-size:15px}

/* 方法 */
.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:8px}
.method-block{
  background:var(--paper-2);border:1px solid var(--line);border-radius:14px;padding:22px 24px;
}
.method-block b{
  display:flex;align-items:center;gap:9px;
  font-family:var(--serif);font-size:16px;letter-spacing:.12em;margin-bottom:8px;
}
.method-block b::before{content:"✚";font-size:11px;color:var(--seal)}
.method-block p{font-size:13.5px;margin:0}

/* KPI */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:26px}
.kpi{
  background:var(--ink);color:var(--paper);border-radius:16px;padding:24px 22px 20px;
  position:relative;overflow:hidden;
}
.kpi::after{
  content:"✚";position:absolute;right:14px;top:10px;font-size:14px;color:rgba(244,235,221,.25);
}
.kpi b{
  display:block;font-family:var(--en);font-style:italic;font-weight:600;
  font-size:clamp(34px,3.4vw,46px);line-height:1;color:#E8A3AC;
}
.kpi span{display:block;margin-top:10px;font-size:13.5px;font-weight:600;letter-spacing:.08em}
.kpi small{display:block;margin-top:4px;font-size:11.5px;color:rgba(244,235,221,.6)}

/* 图表 */
.charts{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.charts figure{
  background:var(--paper-2);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s;
}
.charts figure:hover{transform:translateY(-5px);box-shadow:0 22px 50px rgba(21,37,63,.14)}
.charts img{width:100%;aspect-ratio:9/5;object-fit:cover;object-position:top}
.charts figcaption{
  padding:13px 18px;display:flex;align-items:baseline;justify-content:space-between;gap:10px;
}
.charts figcaption b{font-family:var(--serif);font-size:14.5px;letter-spacing:.06em}
.charts figcaption span{font-size:11px;letter-spacing:.1em;color:var(--ink-low)}

/* 提示框 */
.callout{
  margin-top:26px;border-radius:16px;padding:24px 28px;
  background:var(--peach-soft);border:1px solid rgba(194,85,99,.3);
}
.callout-green{background:rgba(78,145,96,.09);border-color:rgba(78,145,96,.35)}
.callout b{
  display:block;font-family:var(--serif);font-size:16.5px;letter-spacing:.1em;margin-bottom:8px;color:var(--ink);
}
.callout p{margin:0;font-size:14px}

/* 画像 */
.persona{
  background:var(--paper-2);border:1px solid var(--line);border-radius:18px;
  padding:26px 28px;margin-bottom:20px;
}
.persona header{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  margin-bottom:16px;padding-bottom:14px;border-bottom:1px dashed var(--line);
}
.persona header b{font-family:var(--serif);font-size:20px;letter-spacing:.08em}
.persona header span{
  font-family:var(--en);font-style:italic;font-size:15px;color:var(--seal);letter-spacing:.05em;
}
.persona table{width:100%;border-collapse:collapse}
.persona th{
  text-align:left;vertical-align:top;width:64px;
  font-family:var(--serif);font-size:13px;letter-spacing:.2em;color:var(--gold);
  padding:7px 14px 7px 0;white-space:nowrap;
}
.persona td{font-size:13.5px;color:var(--ink-mid);padding:7px 0}
.persona tr+tr th,.persona tr+tr td{border-top:1px dashed rgba(21,37,63,.1)}
.persona-note{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-mid);
}
.persona-note::before{content:"解读 · ";color:var(--seal);font-weight:700;letter-spacing:.1em}

/* 原声 */
.voices{list-style:none;display:flex;flex-wrap:wrap;gap:12px}
.voices li{
  font-size:14px;color:var(--ink-mid);
  background:var(--paper-2);border:1px solid var(--line);border-radius:999px;
  padding:11px 22px;transition:all .3s var(--ease);
}
.voices li:hover{border-color:var(--seal);color:var(--ink);transform:translateY(-3px)}
.voices li::before{content:"「";color:var(--seal)}
.voices li::after{content:"」";color:var(--seal)}

/* 响应 */
.resp-list{list-style:none;counter-reset:rp;display:flex;flex-direction:column;gap:14px}
.resp-list li{
  counter-increment:rp;background:var(--paper-2);border:1px solid var(--line);
  border-radius:14px;padding:20px 24px;
}
.resp-list li::before{
  content:"0" counter(rp);font-family:var(--en);font-style:italic;font-size:15px;color:var(--seal);
}
.resp-list b{display:block;font-size:14.5px;color:var(--ink);margin:4px 0 6px}
.resp-list p{margin:0;font-size:13.5px}

/* 结论 */
.limit-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.limit-grid>div{
  background:var(--paper-2);border:1px solid var(--line);border-radius:16px;padding:24px 26px;
}
.limit-grid>div:first-child{border-top:3px solid var(--green)}
.limit-grid>div:last-child{border-top:3px solid var(--gold)}
.limit-grid b{
  display:block;font-family:var(--serif);font-size:17px;letter-spacing:.2em;margin-bottom:12px;
}
.limit-grid ol{list-style:none;counter-reset:lmt;display:flex;flex-direction:column;gap:10px}
.limit-grid li{
  counter-increment:lmt;position:relative;padding-left:34px;
  font-size:13.5px;color:var(--ink-mid);
}
.limit-grid li::before{
  content:counter(lmt);position:absolute;left:0;top:2px;
  width:22px;height:22px;border-radius:50%;font-size:11px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(21,37,63,.08);color:var(--ink);
  font-variant-numeric:tabular-nums;
}

/* 页脚 */
.report-foot{
  background:var(--ink);color:var(--paper);text-align:center;
  padding:clamp(48px,6vw,72px) 20px 30px;
}
.foot-word{
  font-family:var(--serif);font-weight:900;letter-spacing:.1em;
  font-size:clamp(36px,6vw,64px);
  background:linear-gradient(170deg,#F6F0E4 30%,rgba(201,160,99,.6));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.foot-tag{margin-top:12px;font-size:12px;letter-spacing:.3em;color:rgba(244,235,221,.55)}
.foot-links{
  margin-top:34px;padding-top:22px;border-top:1px solid rgba(244,235,221,.14);
  display:flex;flex-wrap:wrap;justify-content:center;gap:12px 28px;
  font-size:11.5px;letter-spacing:.12em;color:rgba(244,235,221,.55);
}
.foot-links a{color:var(--gold)}
.foot-links a:hover{color:#E8A3AC}

/* 进场 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* 响应式 */
@media (max-width:1000px){
  .report-shell{grid-template-columns:1fr}
  .toc{position:static;border-right:none;border-bottom:1px solid var(--line);padding:0 0 18px}
  .toc ol{flex-direction:row;flex-wrap:wrap;gap:4px}
  .cover-grid{grid-template-columns:1fr}
  .cover-art{max-width:420px}
}
@media (max-width:640px){
  .kpis{grid-template-columns:1fr 1fr}
  .charts{grid-template-columns:1fr}
  .method-grid{grid-template-columns:1fr}
  .limit-grid{grid-template-columns:1fr}
  .cover-stats{gap:24px}
  .persona{padding:20px 18px}
  .persona th{width:52px;padding-right:8px}
}