/* ==========================================================================
   易电商AI · 列表页（创意素材 / 客户案例）与弹窗样式
   依赖 style.css 中的 CSS 变量
   ========================================================================== */

/* ---------- 页头 ---------- */
.page-head{padding:52px 0 8px}
.crumb{display:flex;gap:9px;align-items:center;font-size:13.5px;color:var(--txt-3);margin-bottom:18px}
.crumb a:hover{color:var(--cyan)}
.page-title{font-size:clamp(26px,3.1vw,40px);font-weight:800;letter-spacing:-.025em;margin-bottom:14px}
.page-sub{color:var(--txt-2);font-size:16px;max-width:760px}
.section--flush{padding-top:38px}

/* ---------- 筛选器 ---------- */
.filter{
  margin-top:30px;padding:20px;border-radius:var(--r-l);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
}
.filter--inline{margin-top:22px}
.filter__search{position:relative;display:flex;align-items:center}
.filter__search svg{position:absolute;left:14px;width:19px;height:19px;color:var(--txt-3);pointer-events:none}
.filter__search input{
  width:100%;height:48px;padding:0 16px 0 44px;border-radius:13px;border:1px solid var(--line);
  background:rgba(0,0,0,.28);font-size:15px;outline:none;transition:.22s;
}
.filter__search input:focus{border-color:rgba(74,222,255,.6);background:rgba(74,222,255,.06);box-shadow:0 0 0 3px rgba(74,222,255,.12)}
.filter__search input::placeholder{color:var(--txt-3)}
.filter__row{display:flex;flex-wrap:wrap;gap:14px;margin-top:16px;align-items:flex-end}
.filter__item{display:flex;flex-direction:column;gap:7px;flex:1 1 150px;min-width:140px}
.filter__item span{font-size:12.5px;color:var(--txt-3);letter-spacing:.04em}
.filter__item select{
  width:100%;height:42px;padding:0 34px 0 13px;border-radius:11px;border:1px solid var(--line);
  background-color:rgba(255,255,255,.035);font-size:14px;outline:none;cursor:pointer;appearance:none;
  color:var(--txt);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236d7b99' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 13px center;transition:.2s;
}
.filter__item select:hover{border-color:var(--line-2)}
.filter__item select:focus{border-color:rgba(74,222,255,.6);box-shadow:0 0 0 3px rgba(74,222,255,.12)}
.filter__item select option{background:#0a0e1a;color:var(--txt)}
.filter__act{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- 分类胶囊 ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.chip{
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);font-size:13.8px;
  color:var(--txt-2);transition:.22s;white-space:nowrap;
}
.chip:hover{border-color:rgba(74,222,255,.5);color:var(--txt);background:rgba(74,222,255,.07)}
.chip.is-on{background:var(--grad);color:#050b14;border-color:transparent;font-weight:600}

/* ---------- 结果行 ---------- */
.result-line{margin-top:22px;font-size:14.5px;color:var(--txt-3)}
.result-line b{color:var(--txt);font-size:17px}
.result-line__tag{
  margin-left:10px;font-size:12.5px;color:var(--cyan);padding:3px 10px;border-radius:999px;
  background:rgba(74,222,255,.1);border:1px solid rgba(74,222,255,.25);
}

/* ---------- 素材卡片 ---------- */
.mat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.mat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mat-card{
  display:flex;flex-direction:column;border-radius:var(--r-l);border:1px solid var(--line);overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;cursor:pointer;
}
.mat-card:hover,.mat-card:focus-visible{transform:translateY(-5px);border-color:var(--line-2);box-shadow:var(--shadow);outline:none}
.mat-card__cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(0,0,0,.35)}
.mat-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.mat-card:hover .mat-card__cover img{transform:scale(1.045)}
.mat-card__play{
  position:absolute;inset:0;display:grid;place-items:center;opacity:0;transition:opacity .3s;
  background:linear-gradient(180deg,rgba(5,7,15,.15),rgba(5,7,15,.6));
}
.mat-card:hover .mat-card__play,.mat-card:focus-visible .mat-card__play{opacity:1}
.mat-card__play svg{width:52px;height:52px;color:#fff;filter:drop-shadow(0 6px 18px rgba(0,0,0,.6))}
.mat-card__dur{
  position:absolute;right:10px;bottom:10px;font-size:12px;padding:3px 9px;border-radius:7px;
  background:rgba(0,0,0,.72);color:#e9eefb;backdrop-filter:blur(4px);font-variant-numeric:tabular-nums;
}
.badge-demo{
  position:absolute;left:10px;top:10px;font-size:11.5px;padding:3px 9px;border-radius:7px;
  background:rgba(251,191,36,.92);color:#2b1c00;font-weight:700;letter-spacing:.03em;z-index:2;
}
.badge-demo--in{position:static;display:inline-block;margin-bottom:8px}
.mat-card__body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:11px;flex:1}
.mat-card__tags{display:flex;flex-wrap:wrap;gap:6px}
.tag-s{font-size:11.8px;padding:3px 10px;border-radius:999px;background:rgba(74,222,255,.12);color:#a5f3fc;white-space:nowrap}
.tag-s--b{background:rgba(167,139,250,.15);color:#c4b5fd}
.tag-s--g{background:rgba(52,211,153,.13);color:#6ee7b7}
.mat-card h3{font-size:15.5px;line-height:1.48;font-weight:700}
.mat-card p{font-size:13.8px;color:var(--txt-2);flex:1}
.mat-card__meta{display:flex;gap:12px;font-size:12.5px;color:var(--txt-3);flex-wrap:wrap}
.mat-card__stats{display:flex;gap:12px;font-size:12.5px;color:var(--txt-3);padding-top:11px;border-top:1px solid var(--line);flex-wrap:wrap}
.mat-card__foot{display:flex;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--txt-3);padding-top:11px;border-top:1px solid var(--line)}

/* ---------- 案例列表 ---------- */
.case-list{display:flex;flex-direction:column;gap:24px}
.case-item{
  display:grid;grid-template-columns:340px 1fr;gap:30px;padding:24px;border-radius:var(--r-l);
  border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  transition:border-color .3s,box-shadow .3s;
}
.case-item:hover{border-color:var(--line-2);box-shadow:var(--shadow)}
.case-item__cover{position:relative;border-radius:var(--r-m);overflow:hidden;aspect-ratio:16/9;background:rgba(0,0,0,.35);display:block}
.case-item__cover img{width:100%;height:100%;object-fit:cover}
.case-item__body{display:flex;flex-direction:column;gap:13px;min-width:0}
.case-item__body h2{font-size:20px;line-height:1.45}
.case-item__sum{font-size:14.6px;color:var(--txt-2)}
.metric-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px}
.metric-list li{
  display:flex;gap:10px;align-items:flex-start;padding:11px 13px;border-radius:11px;
  background:rgba(74,222,255,.06);border:1px solid rgba(74,222,255,.18);font-size:13.8px;color:var(--txt);
}
.metric-list i{
  font-style:normal;flex:none;width:19px;height:19px;border-radius:50%;display:grid;place-items:center;
  font-size:11.5px;font-weight:700;background:var(--grad);color:#050b14;margin-top:2px;
}
.case-item__more summary{cursor:pointer;font-size:14px;color:var(--cyan);list-style:none;padding:6px 0}
.case-item__more summary::-webkit-details-marker{display:none}
.case-item__more summary::marker{content:""}
.case-item__more summary::before{content:"＋ ";font-weight:700}
.case-item__more[open] summary::before{content:"－ "}
.prose{margin-top:12px;padding:18px 20px;border-radius:var(--r-m);background:rgba(0,0,0,.26);border:1px solid var(--line)}
.prose p{font-size:14.6px;color:var(--txt-2);margin-bottom:14px}
.prose p:last-child{margin-bottom:0}

/* ---------- 空态 / 更多 / CTA 条 ---------- */
.empty-box{
  text-align:center;padding:64px 24px;border:1px dashed var(--line-2);border-radius:var(--r-l);
  display:flex;flex-direction:column;align-items:center;gap:12px;
}
.empty-box b{font-size:18px}
.empty-box p{color:var(--txt-2);font-size:14.5px}
.sec-more{display:flex;justify-content:center;margin-top:38px}
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  padding:38px 40px;border-radius:var(--r-xl);border:1px solid var(--line-2);
  background:
    radial-gradient(600px 320px at 6% 0%,rgba(74,222,255,.14),transparent 65%),
    radial-gradient(520px 340px at 96% 100%,rgba(167,139,250,.16),transparent 62%),
    linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.018));
}
.cta-strip h2{font-size:clamp(20px,2.3vw,28px);font-weight:800;letter-spacing:-.02em;margin-bottom:10px}
.cta-strip p{color:var(--txt-2);font-size:15px;max-width:560px}
.cta-strip__act{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 前台分页 ---------- */
.pager--page{display:flex;gap:7px;align-items:center;justify-content:center;margin-top:44px;flex-wrap:wrap}
.pager--page a,.pager--page span{
  min-width:42px;height:42px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;border:1px solid var(--line);font-size:14.5px;color:var(--txt-2);transition:.2s;
}
.pager--page a:hover{border-color:rgba(74,222,255,.5);color:var(--txt);background:rgba(74,222,255,.07)}
.pager--page .pager__cur{background:var(--grad);color:#050b14;border-color:transparent;font-weight:700}
.pager--page .pager__nav{padding:0 18px}
.pager__info{border:0!important;color:var(--txt-3)!important;font-size:13px!important;min-width:auto!important}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal__mask{position:absolute;inset:0;background:rgba(3,5,10,.78);backdrop-filter:blur(6px);animation:fadeIn .25s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal__box{
  position:relative;max-width:880px;margin:5vh auto;width:calc(100% - 36px);max-height:90vh;overflow:auto;
  border-radius:var(--r-xl);border:1px solid var(--line-2);background:#080c17;box-shadow:var(--shadow);
  animation:popIn .28s cubic-bezier(.22,.61,.36,1);
}
@keyframes popIn{from{opacity:0;transform:translateY(16px) scale(.985)}to{opacity:1;transform:none}}
.modal__x{
  position:absolute;right:14px;top:14px;z-index:3;width:36px;height:36px;border-radius:50%;border:1px solid var(--line-2);
  background:rgba(0,0,0,.55);color:#fff;font-size:22px;line-height:1;cursor:pointer;backdrop-filter:blur(4px);
}
.modal__x:hover{background:rgba(244,114,182,.3);border-color:rgba(244,114,182,.6)}
.modal__media{position:relative;aspect-ratio:16/9;background:rgba(0,0,0,.5);overflow:hidden}
.modal__media img{width:100%;height:100%;object-fit:cover}
.modal__media video{width:100%;height:100%;background:#000;display:block}
.modal__body{padding:26px 28px 30px}
.modal__body h3{font-size:21px;line-height:1.45;margin:12px 0}
.modal__body > p{font-size:15px;color:var(--txt-2)}
.modal__facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin:22px 0;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.modal__facts dt{font-size:12.5px;color:var(--txt-3);margin-bottom:4px}
.modal__facts dd{margin:0;font-size:14.5px;color:var(--txt)}
.modal__stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:20px}
.modal__stats > div{text-align:center;padding:13px 8px;border-radius:var(--r-m);background:rgba(255,255,255,.04);border:1px solid var(--line)}
.modal__stats b{display:block;font-size:19px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.modal__stats span{font-size:12px;color:var(--txt-3)}
.modal__note{font-size:13px;color:var(--txt-3);padding:12px 15px;border-radius:var(--r-s);background:rgba(251,191,36,.08);border:1px solid rgba(251,191,36,.24);margin-bottom:20px}
.modal__act{display:flex;gap:12px;flex-wrap:wrap}
body.modal-open{overflow:hidden}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .mat-grid,.mat-strip{grid-template-columns:repeat(2,1fr)}
  .case-item{grid-template-columns:1fr;gap:20px}
}
@media (max-width:860px){
  .filter__row{gap:12px}
  .filter__item{flex:1 1 140px}
  .cta-strip{padding:28px 24px}
  .modal__box{margin:3vh auto;max-height:94vh}
  .modal__body{padding:20px 20px 24px}
  .modal__stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:620px){
  .page-head{padding-top:34px}
  .mat-grid,.mat-strip{grid-template-columns:1fr;gap:18px}
  .filter{padding:16px}
  .filter__item{flex:1 1 100%}
  .filter__act .btn{flex:1}
  .pager--page a,.pager--page span{min-width:38px;height:38px;padding:0 11px;font-size:13.5px}
  .cta-strip__act{width:100%}
  .cta-strip__act .btn{flex:1}
}

/* ---------- 页面说明条 ---------- */
.notice-bar{
  display:flex;gap:12px;align-items:flex-start;margin-top:18px;padding:14px 18px;
  border-radius:var(--r-m);border:1px solid rgba(251,191,36,.28);
  background:rgba(251,191,36,.07);
}
.notice-bar__tag{
  flex:none;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:999px;
  background:rgba(251,191,36,.9);color:#2b1c00;letter-spacing:.04em;margin-top:2px;
}
.notice-bar p{font-size:13.6px;color:var(--txt-2);line-height:1.7}
.notice-bar b{color:var(--txt)}