/* ============================================================
   案例详情页 杂志克制风
   ============================================================ */
:root{
  --qc-bg:#F6F8FB;
  --qc-paper:#FFFFFF;
  --qc-surface:#EAF0F8;
  --qc-ink:#1A1714;
  --qc-ink2:#2C2824;
  --qc-muted:#5B6575;
  --qc-faint:#8E8678;
  --qc-accent:#204080;
  --qc-accent-ink:#1B3A6B;
  --qc-accent-deep:#152C54;
  --qc-accent-light:#C6D4E6;
  --qc-line:#D8E2F0;
  --qc-line-soft:#EAF0F8;
  --qc-brand:#A63A2B;
  --qc-shadow:0 1px 6px rgba(40,30,20,.07);
  --qc-shadow-md:0 4px 18px rgba(40,30,20,.10);
  --qc-radius:14px;
  --qc-serif:"Noto Serif SC","Source Han Serif SC","STSong","Songti SC","SimSun",serif;
  --qc-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}

/* ===== 顶栏 brand-logo 加圆角 ===== */
.site-header .brand-logo{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;background:var(--qc-accent);
  color:#fff;flex:none;box-shadow:0 4px 12px rgba(32,64,128,.32);
}
.site-header .brand{display:flex;align-items:center;gap:12px}
.site-header .brand small{font-size:.7rem;letter-spacing:2px}

/* ===== 案例头（hero） ===== */
.cd-hero{
  background:linear-gradient(180deg,#EEF2F9 0%,#DCE5F1 100%);
  border-bottom:1px solid var(--qc-line);
  padding:calc(var(--header-h) + 40px) 0 56px;
  position:relative;overflow:hidden;
}
.cd-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 92% 18%, rgba(32,64,128,.10) 0%, transparent 45%),
    radial-gradient(circle at 8% 82%, rgba(198,212,230,.18) 0%, transparent 50%);
  pointer-events:none;
}
.cd-hero .wrap{position:relative;z-index:1}
.cd-crumbs{font-family:var(--qc-sans);font-size:13px;color:var(--qc-faint);margin-bottom:18px;letter-spacing:.3px}
.cd-crumbs a{color:var(--qc-accent-ink);text-decoration:none}
.cd-crumbs a:hover{text-decoration:underline}

.cd-hero-cover{
  margin:0 0 36px;
  border-radius:16px;
  overflow:hidden;
  background:#DCE5F1;
  box-shadow:0 18px 48px -16px rgba(21,44,84,.22), 0 2px 8px rgba(21,44,84,.06);
  border:1px solid var(--qc-line);
  position:relative;
}
.cd-hero-cover img{
  display:block;width:100%;height:auto;aspect-ratio:16/9;
  object-fit:cover;max-height:300px;
}
.cd-hero-cover figcaption{
  position:absolute;left:18px;bottom:14px;
  font-family:var(--qc-sans);font-size:12px;letter-spacing:1.5px;
  color:#fff;text-shadow:0 1px 4px rgba(0,0,0,.45);
  padding:6px 12px;background:rgba(28,22,16,.55);border-radius:20px;
  backdrop-filter:blur(4px);
}
@media(max-width:900px){
  .cd-hero-cover{margin-bottom:24px;border-radius:12px}
}

.cd-hero-grid{
  display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;
}
@media(max-width:900px){.cd-hero-grid{grid-template-columns:1fr;gap:36px}}

.cd-eyebrow{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-bottom:18px;
}
.cd-no{
  font-family:var(--qc-sans);font-size:12px;letter-spacing:3px;font-weight:700;
  color:var(--qc-accent-deep);
  background:var(--qc-paper);
  border:1px solid var(--qc-accent-light);
  padding:5px 14px;border-radius:99px;
}
.cd-scene{
  font-family:var(--qc-sans);font-size:12px;font-weight:700;letter-spacing:1.5px;
  color:#fff;background:var(--qc-accent);
  padding:5px 14px;border-radius:99px;
}
.cd-title{
  font-family:var(--qc-serif);font-size:clamp(32px,4.2vw,48px);
  font-weight:600;color:var(--qc-ink);line-height:1.25;
  letter-spacing:1px;margin:0 0 14px;
}
.cd-sub{
  font-family:var(--qc-serif);font-size:clamp(15px,1.6vw,18px);
  color:var(--qc-accent);margin:0 0 18px;line-height:1.6;
}
.cd-desc{
  font-size:15.5px;color:var(--qc-ink2);line-height:1.85;
  max-width:640px;margin:0 0 28px;
}
.cd-meta{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin:0;padding:18px 22px;background:var(--qc-paper);
  border:1px solid var(--qc-line);border-radius:12px;
  box-shadow:var(--qc-shadow);
}
.cd-meta div{margin:0;display:flex;flex-direction:column;gap:3px;min-width:0}
.cd-meta dt{
  font-family:var(--qc-sans);font-size:11px;letter-spacing:2px;
  color:var(--qc-faint);font-weight:600;text-transform:uppercase;
}
.cd-meta dd{
  font-family:var(--qc-serif);font-size:14.5px;color:var(--qc-ink);
  font-weight:600;margin:0;
}
@media(max-width:560px){.cd-meta{grid-template-columns:1fr 1fr;gap:14px;padding:14px 16px}}

/* ===== 文档拼图（右侧） ===== */
.cd-doc{
  position:relative;display:flex;justify-content:center;align-items:center;
  min-height:320px;
}
.cd-doc-stack{
  position:relative;width:100%;max-width:440px;height:340px;
  perspective:1200px;
}
.cd-page{
  position:absolute;width:180px;height:220px;
  background:#fff;border-radius:6px;
  box-shadow:0 10px 30px rgba(40,30,20,.18),0 2px 6px rgba(40,30,20,.10);
  padding:18px 16px 14px;
  display:flex;flex-direction:column;gap:8px;
  font-family:var(--qc-sans);
  transition:transform .5s cubic-bezier(.2,.7,.2,1);
}
.cd-page:hover{transform:translateY(-8px) rotate(0deg) !important;z-index:10 !important;box-shadow:0 18px 44px rgba(40,30,20,.24)}
.cd-page-bar{height:4px;width:36px;border-radius:2px;background:var(--qc-accent)}
.cd-page[data-doctype="manual"] .cd-page-bar{background:linear-gradient(90deg,#C6D4E6,#B89A5E);height:4px}
.cd-page[data-doctype="plan"] .cd-page-bar{background:#6B4226;height:5px}
.cd-page[data-doctype="table"] .cd-page-bar{background:var(--qc-accent-deep);height:3px}
.cd-page-title{
  font-family:var(--qc-serif);font-size:13px;font-weight:700;
  color:var(--qc-ink);letter-spacing:1px;
}
.cd-page-lines{display:flex;flex-direction:column;gap:6px;flex:1;padding-top:6px}
.cd-line{height:6px;border-radius:3px;background:#EFE9DD}
.cd-line.full{width:100%}
.cd-line.m{width:70%}
.cd-line.s{width:40%}
.cd-page-foot{
  font-family:var(--qc-serif);font-size:10.5px;color:var(--qc-faint);
  text-align:center;letter-spacing:2px;
}
/* 4 张错落摆放 */
.cd-page:nth-child(1){left:0;top:0;transform:rotate(-9deg);z-index:4}
.cd-page:nth-child(2){left:35%;top:8px;transform:rotate(-3deg);z-index:3}
.cd-page:nth-child(3){left:12%;top:80px;transform:rotate(4deg);z-index:2}
.cd-page:nth-child(4){left:50%;top:90px;transform:rotate(8deg);z-index:1}
.cd-doc-cap{
  position:absolute;bottom:-10px;right:0;left:0;text-align:center;
  font-family:var(--qc-sans);font-size:12px;color:var(--qc-muted);
  letter-spacing:1.5px;
}
@media(max-width:560px){
  .cd-doc-stack{height:300px}
  .cd-page{width:150px;height:185px;padding:14px 12px 10px}
  .cd-page-title{font-size:11.5px}
}

/* ===== 正文区 ===== */
.cd-body{padding:64px 0 24px}
.cd-body-grid{display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start}
@media(max-width:900px){.cd-body-grid{grid-template-columns:1fr;gap:24px}}

.cd-toc{
  position:sticky;top:calc(var(--header-h) + 20px);
  background:var(--qc-paper);border:1px solid var(--qc-line);
  border-radius:14px;padding:22px 22px 20px;
  display:flex;flex-direction:column;gap:6px;
  box-shadow:var(--qc-shadow);
}
.cd-toc-kicker{
  font-family:var(--qc-sans);font-size:11px;letter-spacing:3px;
  color:var(--qc-accent);font-weight:700;margin-bottom:2px;
}
.cd-toc b{
  display:block;font-family:var(--qc-serif);font-size:16px;
  color:var(--qc-ink);font-weight:600;margin-bottom:10px;
  padding-bottom:10px;border-bottom:1px solid var(--qc-line-soft);
}
.cd-toc a{
  display:flex;align-items:baseline;gap:10px;
  font-family:var(--qc-serif);font-size:14.5px;color:var(--qc-ink2);
  padding:8px 10px;border-left:2px solid transparent;border-radius:0 6px 6px 0;
  line-height:1.5;transition:.18s;text-decoration:none;
}
.cd-toc a:hover{background:var(--qc-surface);border-left-color:var(--qc-accent);color:var(--qc-accent-deep)}
.cd-toc-no{font-family:var(--qc-serif);font-size:13px;color:var(--qc-accent);font-weight:700;flex:none;min-width:18px}
.cd-toc-divider{height:1px;background:var(--qc-line-soft);margin:10px 0}
.cd-toc-back{
  font-family:var(--qc-sans) !important;font-size:13px !important;
  color:var(--qc-faint) !important;letter-spacing:.5px;
  border-left:none !important;padding:6px 10px !important;
}
.cd-toc-back:hover{background:transparent !important;color:var(--qc-accent) !important}
@media(max-width:900px){.cd-toc{position:static}}

.cd-content{display:flex;flex-direction:column;gap:22px}
.cd-sec{
  background:var(--qc-paper);border:1px solid var(--qc-line);
  border-radius:14px;padding:34px 38px;
  box-shadow:var(--qc-shadow);
  scroll-margin-top:calc(var(--header-h) + 20px);
}
.cd-sec-head{
  display:flex;align-items:baseline;gap:18px;
  padding-bottom:14px;margin-bottom:18px;
  border-bottom:1px solid var(--qc-line-soft);
}
.cd-sec-no{
  font-family:var(--qc-serif);font-size:36px;font-weight:700;
  color:var(--qc-accent-light);line-height:1;flex:none;letter-spacing:1px;
}
.cd-sec h2{
  font-family:var(--qc-serif);font-size:clamp(20px,2.2vw,24px);
  color:var(--qc-ink);font-weight:600;line-height:1.45;letter-spacing:.5px;margin:0;
}
.cd-sec p{
  font-family:var(--qc-serif);font-size:20px;color:var(--qc-ink2);
  line-height:1.9;margin:0 0 12px;letter-spacing:.3px;
}
.cd-sec ul,.cd-sec ol{
  margin:0 0 18px;padding-left:0;
  display:flex;flex-direction:column;gap:10px;
}
.cd-sec ul{list-style:none}
.cd-sec ol{list-style:none;counter-reset:olitem}
.cd-sec ol li{counter-increment:olitem}
.cd-sec ol li::before{
  content:counter(olitem) ".";display:inline-block;flex:none;
  font-family:var(--qc-sans);font-size:20px;font-weight:700;
  color:var(--qc-accent-deep);margin-right:8px;
}
.cd-sec ul li::before{
  content:"▸";display:inline-block;flex:none;
  color:var(--qc-accent);font-weight:700;font-size:18px;margin-right:10px;
}
.cd-sec li{
  font-family:var(--qc-serif);font-size:20px;color:var(--qc-ink2);
  line-height:1.85;display:flex;align-items:baseline;gap:6px;
}
.cd-sec li b{color:var(--qc-accent-deep);font-weight:700}
@media(max-width:560px){
  .cd-sec{padding:24px 22px}
  .cd-sec-head{flex-direction:column;gap:6px}
  .cd-sec-no{font-size:30px}
}

/* ===== 专业价值解读（三栏辅导） ===== */
.cd-coach{
  margin-top:48px;background:var(--qc-paper);
  border-top:1px solid var(--qc-line);border-bottom:1px solid var(--qc-line);
  padding:64px 0;
}
.cd-coach-head{margin-bottom:36px;text-align:left}
.cd-coach-kicker{
  display:inline-block;font-family:var(--qc-sans);font-size:12px;
  letter-spacing:3px;font-weight:700;color:var(--qc-accent-deep);
  background:var(--qc-surface);border:1px solid var(--qc-accent-light);
  padding:5px 14px;border-radius:99px;margin-bottom:14px;
}
.cd-coach-head h2{
  font-family:var(--qc-serif);font-size:clamp(24px,2.6vw,32px);
  color:var(--qc-ink);font-weight:600;line-height:1.35;margin:0 0 8px;letter-spacing:1px;
}
.cd-coach-head p{font-size:14.5px;color:var(--qc-muted);margin:0;line-height:1.7}
.cd-coach-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
@media(max-width:960px){.cd-coach-grid{grid-template-columns:1fr;gap:16px}}
.cd-coach-item{
  background:var(--qc-bg);border:1px solid var(--qc-line);
  border-radius:14px;padding:26px 26px 28px;
  position:relative;transition:.2s;
}
.cd-coach-item:hover{transform:translateY(-3px);box-shadow:var(--qc-shadow-md);border-color:var(--qc-accent-light)}
.cd-coach-item::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  background:linear-gradient(180deg,var(--qc-accent) 0%,var(--qc-accent-light) 100%);
  border-radius:0 2px 2px 0;
}
.cd-coach-tag{
  display:inline-block;font-family:var(--qc-sans);font-size:11px;
  letter-spacing:2px;font-weight:700;color:var(--qc-accent-deep);
  background:var(--qc-surface);border:1px solid var(--qc-accent-light);
  padding:3px 12px;border-radius:99px;margin-bottom:14px;
}
.cd-coach-item h3{
  font-family:var(--qc-serif);font-size:19px;color:var(--qc-ink);
  font-weight:600;margin:0 0 10px;letter-spacing:.5px;
}
.cd-coach-item p{
  font-family:var(--qc-serif);font-size:14.5px;color:var(--qc-ink2);
  line-height:1.85;margin:0;
}

/* ===== 客户价值实证 ===== */
.cd-value{padding:64px 0 56px}
.cd-value-head{margin-bottom:28px}
.cd-value-kicker{
  display:inline-block;font-family:var(--qc-sans);font-size:12px;
  letter-spacing:3px;font-weight:700;color:var(--qc-accent-deep);
  background:var(--qc-surface);border:1px solid var(--qc-accent-light);
  padding:5px 14px;border-radius:99px;margin-bottom:14px;
}
.cd-value-head h2{
  font-family:var(--qc-serif);font-size:clamp(24px,2.6vw,32px);
  color:var(--qc-ink);font-weight:600;margin:0 0 6px;letter-spacing:1px;
}
.cd-value-head p{font-size:14px;color:var(--qc-muted);margin:0}

.cd-value-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-bottom:24px;
}
.cd-vstat{
  background:var(--qc-surface);border:1px solid var(--qc-accent-light);
  border-radius:12px;padding:18px 16px;text-align:center;
  transition:.2s;
}
.cd-vstat:hover{transform:translateY(-2px);box-shadow:var(--qc-shadow-md)}
.cd-vs-num{
  display:block;font-family:var(--qc-serif);font-size:22px;font-weight:700;
  color:var(--qc-accent-deep);letter-spacing:1px;
}
.cd-vs-label{
  display:block;font-family:var(--qc-sans);font-size:12px;
  color:var(--qc-muted);margin-top:4px;letter-spacing:1.5px;
}
@media(max-width:760px){.cd-value-stats{grid-template-columns:1fr 1fr}}

.cd-value-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px}
@media(max-width:960px){.cd-value-grid{grid-template-columns:1fr;gap:16px}}
.cd-vcard{
  background:var(--qc-paper);border:1px solid var(--qc-line);
  border-radius:14px;padding:24px 26px;
  box-shadow:var(--qc-shadow);
}
.cd-vcard-head{
  font-family:var(--qc-serif);font-size:16px;color:var(--qc-ink);
  font-weight:600;margin-bottom:14px;padding-bottom:10px;
  border-bottom:1px solid var(--qc-line-soft);
  display:flex;align-items:center;gap:8px;
}
.cd-vcard-head i{color:var(--qc-accent);font-size:14px}
.cd-vcard ol{padding-left:1.4em;margin:0;display:flex;flex-direction:column;gap:10px}
.cd-vcard ol li{font-family:var(--qc-serif);font-size:14.5px;color:var(--qc-ink2);line-height:1.8}
.cd-vcard ol li b{color:var(--qc-brand);margin-right:6px;font-weight:700}

.cd-vcard-quote{background:var(--qc-surface);border-left:3px solid var(--qc-accent)}
.cd-vq-text{
  font-family:var(--qc-serif);font-size:15px;color:var(--qc-ink);
  line-height:1.95;margin:0 0 12px;letter-spacing:.3px;
  font-style:italic;
}
.cd-vq-role{
  font-family:var(--qc-sans);font-size:12.5px;color:var(--qc-muted);
  margin:0 0 16px;letter-spacing:1px;
}
.cd-vq-tags{display:flex;flex-wrap:wrap;gap:6px}
.cd-vq-tags span{
  font-family:var(--qc-sans);font-size:11.5px;color:var(--qc-accent-deep);
  background:var(--qc-paper);border:1px solid var(--qc-accent-light);
  padding:3px 10px;border-radius:99px;letter-spacing:.5px;
}

/* ===== 附录 + 翻页 ===== */
.cd-appendix{padding:40px 0 64px;background:var(--qc-paper);border-top:1px solid var(--qc-line)}
.cd-appendix-inner{
  padding:24px 28px;background:var(--qc-bg);border:1px solid var(--qc-line);
  border-radius:14px;margin-bottom:36px;
}
.cd-appendix-kicker{
  font-family:var(--qc-sans);font-size:11px;letter-spacing:3px;
  color:var(--qc-accent);font-weight:700;margin-bottom:6px;
}
.cd-appendix-inner h3{
  font-family:var(--qc-serif);font-size:18px;color:var(--qc-ink);
  font-weight:600;margin:0 0 12px;letter-spacing:.5px;
}
.cd-appendix-inner p{
  font-family:var(--qc-serif);font-size:14px;color:var(--qc-muted);
  line-height:1.8;margin:0 0 6px;
}
.cd-appendix-inner p:last-child{margin-bottom:0}

.cd-pager{
  display:grid;grid-template-columns:1fr 1fr;gap:18px;
}
@media(max-width:560px){.cd-pager{grid-template-columns:1fr}}
.cd-pager-link{
  display:flex;align-items:center;gap:14px;
  padding:18px 22px;background:var(--qc-paper);
  border:1px solid var(--qc-line);border-radius:12px;
  color:var(--qc-ink2);text-decoration:none;
  transition:.2s;
}
.cd-pager-link:hover{border-color:var(--qc-accent);background:var(--qc-surface);text-decoration:none}
.cd-pager-next{text-align:right;flex-direction:row-reverse}
.cd-pager-arrow{
  font-size:20px;color:var(--qc-accent);flex:none;line-height:1;
  transition:transform .2s;
}
.cd-pager-prev:hover .cd-pager-arrow{transform:translateX(-3px)}
.cd-pager-next:hover .cd-pager-arrow{transform:translateX(3px)}
.cd-pager-text{display:flex;flex-direction:column;gap:3px;min-width:0}
.cd-pager-text b{
  font-family:var(--qc-sans);font-size:11px;letter-spacing:2px;
  color:var(--qc-faint);font-weight:600;text-transform:uppercase;
}
.cd-pager-text span{
  font-family:var(--qc-serif);font-size:14.5px;color:var(--qc-ink);
  font-weight:600;line-height:1.5;
}

/* ===== 页脚（重做） ===== */
.site-footer{
  margin-top:0;background:#1A1714;color:#9a9186;
  font-size:.88rem;
}
.site-footer .wrap{padding-top:48px;padding-bottom:32px}
.sf-top{display:grid;grid-template-columns:1.2fr 2fr;gap:48px;padding-bottom:32px;border-bottom:1px solid #2C2824}
@media(max-width:760px){.sf-top{grid-template-columns:1fr;gap:32px}}
.sf-brand{display:flex;align-items:center;gap:14px}
.sf-logo{
  display:inline-flex;align-items:center;justify-content:center;
  width:50px;height:50px;border-radius:12px;background:var(--qc-accent);
  color:#fff;flex:none;font-size:24px;box-shadow:0 4px 12px rgba(32,64,128,.4);
}
.sf-name{font-family:var(--qc-serif);font-size:1.06rem;color:#EAF0F8;letter-spacing:2px;margin:0 0 4px}
.sf-tag{font-family:var(--qc-sans);font-size:.78rem;color:#9a9186;letter-spacing:1.5px;margin:0}
.sf-cols{display:grid;grid-template-columns:1fr 1.2fr 1.4fr;gap:32px}
@media(max-width:900px){.sf-cols{grid-template-columns:1fr;gap:20px}}
.sf-cols b{
  display:block;font-family:var(--qc-sans);font-size:.78rem;
  letter-spacing:2.5px;color:#C6D4E6;margin-bottom:8px;font-weight:600;
}
.sf-cols p{font-size:.86rem;line-height:1.8;margin:0;color:#9a9186}
.sf-cols a{color:#9a9186;text-decoration:none}
.sf-cols a:hover{color:var(--qc-accent-light);text-decoration:underline}
.sf-bottom{
  margin-top:20px;padding-top:20px;border-top:1px solid #2C2824;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:.78rem;color:#6e675d;
}
.sf-icp{display:flex;flex-wrap:wrap;gap:16px}
.sf-icp a{color:#6e675d;text-decoration:none}
.sf-icp a:hover{color:var(--qc-accent-light)}
.sf-note{
  margin:14px 0 0;padding-top:14px;border-top:1px solid #2C2824;
  font-size:.75rem;color:#5e564b;line-height:1.7;
}
.sf-note .qc-brand{color:#C6D4E6}