/* ===== 案例介绍页 · 深色科技风（与首页 v4 统一） ===== */

/* 页面头 */
.page-head{position:relative;padding:158px 0 66px;text-align:center;overflow:hidden}
.page-head .glow.g1{width:560px;height:560px;background:radial-gradient(circle,rgba(58,214,255,.32),transparent 70%);top:-160px;left:-220px}
.page-head .glow.g2{width:680px;height:680px;background:radial-gradient(circle,rgba(167,139,250,.3),transparent 70%);bottom:-240px;right:-240px}
.page-head .chip{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.18em;font-weight:600;color:var(--cyan);text-transform:uppercase;margin-bottom:18px;animation:heroUp .7s cubic-bezier(.22,.68,.35,1) .05s both}
.page-head .chip .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px var(--cyan);animation:pulse 2s infinite}
.page-head h1{font-size:clamp(34px,5vw,58px);font-weight:800;line-height:1.15;margin:0 0 18px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:heroUp .8s cubic-bezier(.22,.68,.35,1) .15s both}
.crumbs{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;list-style:none;margin:0;padding:0;font-size:14px;color:var(--muted);animation:heroUp .8s cubic-bezier(.22,.68,.35,1) .25s both}
.crumbs a{color:var(--muted);text-decoration:none;transition:color .3s}
.crumbs a:hover{color:var(--cyan)}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--line2)}

/* 案例区 */
.case-sec{position:relative;padding:26px 0 112px}
.case-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:26px}

/* 案例卡片 */
.case-card{position:relative;display:flex;flex-direction:column;gap:16px;padding:38px 30px;border-radius:20px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(16,28,58,.72),rgba(6,10,22,.62));overflow:hidden;text-decoration:none;color:inherit;transition:transform .4s ease,border-color .4s ease,box-shadow .4s ease}
.case-card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 78% 12%,rgba(58,214,255,.16),transparent 55%);opacity:0;transition:opacity .4s;pointer-events:none}
.case-card:hover{transform:translateY(-6px);border-color:rgba(58,214,255,.55);box-shadow:0 18px 44px rgba(6,10,22,.6),0 0 30px rgba(58,214,255,.12)}
.case-card:hover::before{opacity:1}
.case-num{position:relative;font-size:clamp(38px,5vw,54px);font-weight:800;letter-spacing:.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.case-line{position:relative;width:52px;height:2px;background:var(--grad);border-radius:2px}
.case-tag{position:relative;color:var(--muted);font-size:14px}
.case-go{position:relative;display:flex;align-items:center;gap:8px;color:var(--cyan);font-size:14px;font-weight:600;margin-top:6px}
.case-go i{font-style:normal;transition:transform .3s ease}
.case-card:hover .case-go i{transform:translateX(6px)}

/* 响应式 */
@media(max-width:768px){
  .page-head{padding:128px 0 46px}
  .case-sec{padding:16px 0 80px}
  .case-grid{grid-template-columns:1fr;gap:18px}
  .case-card{padding:30px 24px}
}

/* 案例列表页：图文卡片 */
.post-card{position:relative;display:flex;flex-direction:column;gap:0;border-radius:18px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(16,28,58,.72),rgba(6,10,22,.62));overflow:hidden;text-decoration:none;color:inherit;transition:transform .4s ease,border-color .4s ease,box-shadow .4s ease}
.post-card:hover{transform:translateY(-6px);border-color:rgba(58,214,255,.55);box-shadow:0 18px 44px rgba(6,10,22,.6),0 0 30px rgba(58,214,255,.12)}
.post-thumb{position:relative;display:block;width:100%;aspect-ratio:16/10;overflow:hidden;background:radial-gradient(circle at 30% 20%,rgba(58,214,255,.18),transparent 60%),radial-gradient(circle at 80% 80%,rgba(167,139,250,.16),transparent 55%),var(--bg2)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-ph{display:flex;align-items:center;justify-content:center;width:100%;height:100%;color:var(--muted);font-size:14px;letter-spacing:.1em}
.post-body{position:relative;display:flex;flex-direction:column;gap:10px;padding:22px 24px 24px}
.post-body b{font-size:17px;font-weight:700;line-height:1.45;color:var(--text)}
.post-time{font-size:13px;color:var(--dim)}
.post-go{display:flex;align-items:center;gap:8px;color:var(--cyan);font-size:14px;font-weight:600;margin-top:4px}

/* 列表页底部引导 CTA */
.case-empty{margin-top:56px;padding:52px 30px;border-radius:22px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(16,28,58,.7),rgba(6,10,22,.65));text-align:center}
.case-empty-ico{display:block;font-size:40px;margin-bottom:14px}
.case-empty b{display:block;font-size:24px;font-weight:800;margin-bottom:10px;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.case-empty p{max-width:520px;margin:0 auto 22px;color:var(--muted);font-size:15px;line-height:1.8}

/* 案例详情页 */
.case-detail{position:relative;padding:26px 0 110px}
.case-post{max-width:900px;margin:0 auto;padding:46px 50px;border-radius:22px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(16,28,58,.74),rgba(6,10,22,.66))}
.case-cal{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;padding:14px 18px;margin-bottom:24px;border-radius:14px;border:1px solid rgba(58,214,255,.25);background:linear-gradient(160deg,rgba(58,214,255,.10),rgba(167,139,250,.06))}
.cc-tag{font-size:11px;letter-spacing:.16em;color:var(--violet);flex:none}
.cc-days{display:flex;flex-wrap:wrap;gap:3px;flex:1;min-width:220px}
.cc-days i{font-style:normal;font-size:9.5px;line-height:1.2;min-width:16px;padding:3px 2px;text-align:center;border-radius:4px;color:rgba(165,195,235,.55);background:rgba(58,214,255,.05);border:1px solid rgba(58,214,255,.12)}
.cc-days i.on{color:#fff;background:linear-gradient(135deg,#4f8bff,#9a6bff);border-color:transparent;box-shadow:0 4px 12px rgba(79,139,255,.4)}
.cc-cur{flex:none;font-size:12.5px;color:var(--dim)}
.cc-cur b{color:var(--cyan);font-weight:700}
.case-post h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.3;margin:0 0 14px;color:var(--text)}
.case-post-meta{font-size:13px;color:var(--dim);padding-bottom:20px;margin-bottom:26px;border-bottom:1px solid var(--line)}
.case-post-body{font-size:16px;line-height:2;color:var(--text)}
.case-post-body p{margin:14px 0}
.case-post-body img{max-width:100%;border-radius:14px;margin:16px 0;display:block}
.case-post-body h1,.case-post-body h2,.case-post-body h3,.case-post-body h4{margin:26px 0 12px;font-weight:800;color:var(--text)}
.case-post-body ul,.case-post-body ol{margin:14px 0;padding-left:22px}
.case-post-body a{color:var(--cyan)}
.case-post-cta{margin-top:40px;padding:30px 32px;border-radius:16px;border:1px dashed var(--line2);text-align:center;background:rgba(58,214,255,.05)}
.case-post-cta p{color:var(--muted);font-size:15px;margin:0 0 18px}
@media(max-width:768px){
  .case-detail{padding:16px 0 80px}
  .case-post{padding:30px 22px}
}

/* ===== 年度档案卡片：档案时间轴风 ===== */
.case-card.case-yr{justify-content:flex-end;padding:34px 32px 28px;gap:0;background:linear-gradient(165deg,rgba(16,28,58,.78),rgba(6,10,22,.66));overflow:hidden}
.case-card.case-yr::before{background:radial-gradient(circle at 80% -10%,rgba(91,140,255,.22),transparent 60%),radial-gradient(circle at 15% 110%,rgba(167,139,250,.14),transparent 55%)}
.case-card.case-yr::after{content:'';position:absolute;top:0;right:0;width:120px;height:120px;background:repeating-linear-gradient(45deg,rgba(58,214,255,.06) 0 1px,transparent 1px 10px);mask:radial-gradient(circle at 100% 0,#000,transparent 70%);-webkit-mask:radial-gradient(circle at 100% 0,#000,transparent 70%);pointer-events:none}
.yr-top{position:relative;display:flex;justify-content:space-between;align-items:center;width:100%;margin-bottom:22px}
.yr-tag{font-size:11px;letter-spacing:.22em;color:var(--cyan);opacity:.9}
.yr-tag::before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(58,214,255,.16);margin-right:9px;vertical-align:1px}
.yr-arrow{color:var(--violet);font-size:20px;font-weight:700;opacity:.85;transition:transform .3s,color .3s}
.case-card.case-yr:hover .yr-arrow{transform:translateX(6px);color:var(--cyan)}
.yr-num{position:relative;font-size:clamp(52px,7vw,72px);font-weight:800;line-height:1;letter-spacing:-.01em;background:linear-gradient(120deg,#fff 0%,#8fb7ff 45%,#9a6bff 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:6px}
.yr-sub{position:relative;color:var(--muted);font-size:14px;margin-bottom:22px}
.yr-bar{position:relative;width:100%;height:5px;border-radius:3px;background:rgba(255,255,255,.07);overflow:hidden;margin-bottom:18px}
.yr-bar i{position:absolute;left:0;top:0;height:100%;border-radius:3px;background:linear-gradient(90deg,#4f8bff,#9a6bff);box-shadow:0 0 12px rgba(139,92,246,.5)}
.yr-foot{position:relative;display:flex;align-items:baseline;gap:10px;width:100%}
.yr-foot b{font-size:22px;font-weight:800;color:var(--text);line-height:1}
.yr-foot em{font-style:normal;font-size:12.5px;color:var(--dim);letter-spacing:.08em}
.yr-go{margin-left:auto;font-size:13px;color:var(--cyan);font-weight:600;display:flex;align-items:center;gap:6px}
.yr-go i{font-style:normal;transition:transform .3s}
.case-card.case-yr:hover .yr-go i{transform:translateX(5px)}

/* ===== 月度档案卡片：日历刻度风 ===== */
.case-card.case-mo{flex-direction:row;align-items:center;gap:20px;padding:20px 22px;background:linear-gradient(160deg,rgba(16,28,58,.74),rgba(6,10,22,.64));overflow:hidden}
.case-card.case-mo::after{content:'';position:absolute;right:-40px;bottom:-40px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(58,214,255,.10),transparent 70%);pointer-events:none}
.mo-cal{position:relative;flex:none;width:74px;padding:10px 6px 8px;border-radius:14px;display:flex;flex-direction:column;align-items:center;background:linear-gradient(170deg,rgba(58,214,255,.20),rgba(167,139,250,.14));border:1px solid rgba(58,214,255,.35);box-shadow:inset 0 0 0 1px rgba(255,255,255,.04),0 8px 22px rgba(6,10,22,.4)}
.mo-cal::before{content:'';position:absolute;top:7px;left:50%;transform:translateX(-50%);width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,#4f8bff,#9a6bff);opacity:.8}
.mo-num{font-size:26px;font-weight:800;color:var(--text);line-height:1;margin-top:12px}
.mo-unit{font-size:11px;color:var(--cyan);margin-top:2px;letter-spacing:.1em}
.mo-days{display:grid;grid-template-columns:repeat(6,1fr);gap:3px 4px;margin-top:9px;padding-top:8px;border-top:1px solid rgba(58,214,255,.18);width:100%}
.mo-days i{font-style:normal;font-size:8.5px;line-height:1.25;text-align:center;color:rgba(165,195,235,.62)}
.mo-body{position:relative;flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.mo-tag{font-size:10.5px;letter-spacing:.18em;color:var(--violet);opacity:.85}
.mo-sub{color:var(--muted);font-size:14px}
.mo-foot{display:flex;align-items:baseline;gap:8px;margin-top:2px}
.mo-foot b{font-size:18px;font-weight:800;color:var(--text)}
.mo-foot>span:not(.mo-go){font-size:13px;color:var(--dim)}
.mo-go{display:inline-flex;align-items:center;gap:6px;margin-left:auto;color:var(--cyan);font-size:13px;font-weight:600}
.mo-go i{font-style:normal;transition:transform .3s}
.case-card.case-mo:hover .mo-go i{transform:translateX(5px)}

/* 响应式 */
@media(max-width:768px){
  .case-card.case-yr{padding:28px 24px 24px}
  .case-card.case-mo{gap:14px;padding:18px}
  .mo-cal{width:60px;padding:8px 4px 6px}
  .mo-num{font-size:21px;margin-top:10px}
  .mo-days{margin-top:7px;padding-top:6px}
  .mo-days i{font-size:7px}
}

/* ===== 月份页 30 天刻度 ===== */
.cd-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;position:relative;grid-column:1/-1;margin:0 0 34px}
.cd-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;height:96px;border-radius:16px;background:linear-gradient(165deg,rgba(58,214,255,.09),rgba(167,139,250,.06));border:1px solid rgba(58,214,255,.22);color:var(--text);text-decoration:none;transition:.25s;position:relative;overflow:hidden}
.cd-cell::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#4f8bff,#9a6bff);opacity:.55}
.cd-cell:hover{background:rgba(58,214,255,.16);border-color:rgba(58,214,255,.65);transform:translateY(-4px);box-shadow:0 10px 24px rgba(58,214,255,.18)}
.cd-n{font-size:30px;font-weight:800;line-height:1;background:linear-gradient(120deg,#fff,#8fb7ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.cd-w{font-size:10px;letter-spacing:.24em;color:rgba(165,195,235,.65);margin-top:7px}
.cd-note{margin-top:18px;text-align:center;font-size:12.5px;color:var(--dim);letter-spacing:.1em}
@media(max-width:1024px){
  .cd-grid{grid-template-columns:repeat(5,1fr)}
}
@media(max-width:768px){
  .cd-grid{grid-template-columns:repeat(4,1fr);gap:9px}
  .cd-cell{height:78px;border-radius:13px}
  .cd-n{font-size:24px}
}
@media(max-width:420px){
  .cd-grid{grid-template-columns:repeat(3,1fr)}
}