/* ═══════════════════════════════════════════════
   守艺·传薪 —— 数据洞察 · 问卷调研板块
   ═══════════════════════════════════════════════ */

.survey{position:relative;padding:0}

/* ── 板块头图 ── */
.sv-hero{
  position:relative;padding:120px 0 110px;text-align:center;color:var(--paper);
  background:
    radial-gradient(900px 460px at 78% -10%,rgba(198,161,91,.16),transparent 60%),
    radial-gradient(700px 500px at 12% 110%,rgba(176,58,46,.12),transparent 60%),
    linear-gradient(160deg,#24436B 0%,var(--dai) 30%,var(--ink) 62%,var(--ink-deep) 100%);
  overflow:hidden;
}
.sv-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(198,161,91,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(198,161,91,.06) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(ellipse 75% 65% at 50% 40%,#000 20%,transparent 90%);
  mask-image:radial-gradient(ellipse 75% 65% at 50% 40%,#000 20%,transparent 90%);
}
.sv-eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:.88rem;letter-spacing:.4em;color:var(--gold);font-weight:600;
  margin-bottom:18px;position:relative;z-index:1;
}
.sv-eyebrow .sec-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;font-family:var(--serif);font-size:1rem;
  color:var(--gold);box-shadow:inset 0 0 0 1px rgba(198,161,91,.65);
  border-radius:6px;transform:rotate(-4deg);letter-spacing:0;
}
.sv-title{
  position:relative;z-index:1;
  font-family:var(--serif);font-weight:900;
  font-size:clamp(2.4rem,6vw,4rem);letter-spacing:.14em;line-height:1.2;
  color:var(--gold-light);
  text-shadow:0 4px 24px rgba(0,0,0,.35);margin-bottom:18px;
}
.sv-sub{
  position:relative;z-index:1;
  font-family:var(--serif);font-size:clamp(1.05rem,2.4vw,1.35rem);
  color:rgba(246,241,231,.92);letter-spacing:.08em;margin-bottom:16px;
}
.sv-note{
  position:relative;z-index:1;max-width:680px;margin:0 auto;
  font-size:.92rem;line-height:1.9;color:rgba(246,241,231,.62);
}

/* ── 正文区 ── */
.sv-body{
  background:var(--paper);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
  padding:80px 0 110px;
}

/* ── 核心数据卡片 ── */
.sv-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  margin-bottom:80px;
}
.sv-stat{
  position:relative;background:#fff;border-radius:16px;
  padding:34px 28px 30px;text-align:center;
  border:1px solid rgba(31,58,95,.09);box-shadow:var(--shadow-sm);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);
  overflow:hidden;
}
.sv-stat::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--cinnabar),var(--gold));
}
.sv-stat:hover{transform:translateY(-8px);box-shadow:var(--shadow-md)}
.sv-stat-num{
  font-family:var(--serif);font-weight:900;
  font-size:clamp(2.2rem,4vw,2.9rem);line-height:1.1;color:var(--cinnabar);
  letter-spacing:.02em;
}
.sv-stat-num .pct{font-size:.6em;color:var(--gold-deep)}
.sv-stat h4{
  font-family:var(--serif);font-size:1.08rem;font-weight:700;
  color:var(--dai);letter-spacing:.04em;margin:14px 0 8px;line-height:1.5;
}
.sv-stat p{color:var(--muted);font-size:.84rem;line-height:1.75}

/* ── 图表画廊 ── */
.sv-sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  flex-wrap:wrap;gap:20px;margin-bottom:34px;
}
.sv-h3{
  font-family:var(--serif);font-weight:900;color:var(--dai);
  font-size:1.6rem;letter-spacing:.14em;
}
.sv-h3::after{
  content:"";display:block;width:44px;height:3px;margin-top:12px;
  background:linear-gradient(90deg,var(--cinnabar),var(--gold));border-radius:2px;
}
.sv-h3-sub{color:var(--muted);font-size:.9rem;margin-top:8px}
.sv-tabs{display:flex;gap:10px;flex-wrap:wrap}
.sv-tab{
  padding:9px 22px;border-radius:999px;cursor:pointer;
  font-size:.9rem;letter-spacing:.1em;font-weight:600;
  color:var(--dai);background:#fff;border:1px solid rgba(31,58,95,.18);
  transition:all .3s var(--ease);
}
.sv-tab:hover{border-color:var(--gold)}
.sv-tab.active{
  background:linear-gradient(145deg,#C24539,var(--cinnabar));color:#FBF6EC;
  border-color:transparent;box-shadow:0 8px 20px rgba(176,58,46,.3);
}
.sv-charts{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.sv-chart{
  background:#fff;border-radius:16px;overflow:hidden;
  border:1px solid rgba(31,58,95,.09);box-shadow:var(--shadow-sm);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),opacity .35s;
  cursor:pointer;
}
.sv-chart:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.sv-chart-media{
  position:relative;background:var(--mist);aspect-ratio:16/10;overflow:hidden;
}
.sv-chart-media img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.sv-chart:hover .sv-chart-media img{transform:scale(1.04)}
.sv-chart-media::after{
  content:"⤢";position:absolute;right:14px;bottom:12px;
  width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:var(--gold-light);background:rgba(21,42,68,.6);font-size:1.1rem;
  opacity:0;transition:opacity .35s;backdrop-filter:blur(4px);
}
.sv-chart:hover .sv-chart-media::after{opacity:1}
.sv-chart-cap{padding:20px 24px 22px}
.sv-chart-no{
  display:inline-block;font-family:var(--serif);font-weight:700;font-size:.78rem;
  color:var(--cinnabar);background:rgba(176,58,46,.09);padding:3px 12px;border-radius:999px;
  letter-spacing:.1em;margin-bottom:10px;
}
.sv-chart-cap h4{
  font-family:var(--serif);font-size:1.12rem;font-weight:900;color:var(--dai);margin-bottom:6px;
}
.sv-chart-cap p{color:var(--muted);font-size:.88rem;line-height:1.8}
.sv-chart[data-dim]{transition:opacity .35s,transform .5s var(--ease),box-shadow .5s var(--ease)}
.sv-chart.is-hidden{display:none}

/* ── 核心结论 ── */
.sv-concl{margin-bottom:80px}
.sv-concl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.sv-concl-card{
  position:relative;background:#fff;border-radius:16px;padding:32px 30px;
  border:1px solid rgba(31,58,95,.09);box-shadow:var(--shadow-sm);
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);
  overflow:hidden;
}
.sv-concl-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--cinnabar),var(--gold));
}
.sv-concl-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.sv-concl-tag{
  display:inline-block;font-size:.74rem;font-weight:600;letter-spacing:.2em;
  color:var(--cinnabar);background:rgba(176,58,46,.08);
  padding:4px 14px;border-radius:999px;margin-bottom:14px;
}
.sv-concl-card h4{
  font-family:var(--serif);font-size:1.18rem;font-weight:900;
  color:var(--dai);letter-spacing:.04em;margin-bottom:10px;line-height:1.5;
}
.sv-concl-card p{color:var(--muted);font-size:.92rem;line-height:1.9}
.sv-concl-card p b{color:var(--cinnabar);font-weight:600}

/* ── 完整数据入口 ── */
.sv-table-wrap{
  background:#fff;border-radius:16px;border:1px solid rgba(31,58,95,.09);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.sv-table-toggle{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:24px 30px;background:#fff;border:none;cursor:pointer;
  font-family:var(--serif);font-weight:900;font-size:1.2rem;color:var(--dai);
  letter-spacing:.1em;text-align:left;
}
.sv-table-toggle .caret{
  flex:none;width:13px;height:13px;
  border-right:2px solid var(--cinnabar);border-bottom:2px solid var(--cinnabar);
  transform:rotate(45deg);transition:transform .35s var(--ease);
}
.sv-table-wrap.open .sv-table-toggle .caret{transform:rotate(-135deg)}
.sv-table-body{
  height:0;overflow:hidden;transition:height .26s var(--ease);
}
.sv-table-wrap.open .sv-table-body{overflow:visible}
.sv-table-inner{padding:6px 30px 34px}
.sv-q{margin-top:28px}
.sv-q-title{
  font-family:var(--serif);font-weight:900;color:var(--dai);
  font-size:1.02rem;letter-spacing:.04em;margin-bottom:12px;
  padding-bottom:8px;border-bottom:1px solid rgba(31,58,95,.1);
}
.sv-q-title .t{
  display:inline-block;font-size:.72rem;color:var(--gold-deep);font-weight:700;
  border:1px solid rgba(198,161,91,.5);border-radius:6px;padding:2px 9px;margin-right:10px;
}
.sv-tbl{width:100%;border-collapse:collapse;font-size:.9rem}
.sv-tbl th,.sv-tbl td{padding:9px 12px;border-bottom:1px solid rgba(31,58,95,.07);text-align:left}
.sv-tbl th{
  font-size:.8rem;color:var(--muted);font-weight:600;letter-spacing:.06em;
  background:rgba(31,58,95,.04);
}
.sv-tbl td.opt{color:var(--text)}
.sv-tbl td.num{width:90px;text-align:right;color:var(--dai);font-weight:600}
.sv-tbl td.pct{width:110px;text-align:right;color:var(--cinnabar);font-weight:700}
.sv-tbl td.pct .bar{
  display:inline-block;height:6px;border-radius:3px;margin-left:8px;
  background:linear-gradient(90deg,var(--cinnabar),var(--gold));vertical-align:middle;
}

/* ── 结尾引导 ── */
.sv-outro{
  margin-top:72px;text-align:center;max-width:780px;margin-left:auto;margin-right:auto;
  font-family:var(--serif);font-size:1.08rem;line-height:2.1;color:var(--muted);
}
.sv-outro b{color:var(--cinnabar)}
.sv-outro a{
  color:var(--dai);font-weight:700;
  background:linear-gradient(transparent 62%,rgba(198,161,91,.4) 62%);
  padding:0 3px;transition:color .3s;
}
.sv-outro a:hover{color:var(--cinnabar)}

/* ── 响应式 ── */
@media (max-width:1024px){
  .sv-stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .sv-stats{grid-template-columns:repeat(2,1fr);gap:14px}
  .sv-charts{grid-template-columns:1fr}
  .sv-concl-grid{grid-template-columns:1fr}
  .sv-body{padding:56px 0 80px}
  .sv-hero{padding:96px 0 88px}
  .sv-table-inner{padding:4px 16px 24px}
  .sv-tbl td.num,.sv-tbl td.pct{width:auto}
}