/* ============================================================
   product_list_case 案例实景列表页 · EVERGREEN v2
   依赖 theme.css 设计令牌；footer 自动加载 /js/productslist.js（本页无 rail/分页节点，容错）
   ============================================================ */

.pcs-main { display: block; background: var(--g-cream); }
.pcs-wrap { width: min(var(--g-wrap), calc(100% - 64px)); margin-inline: auto; }
.pcs-main :focus-visible { outline: 3px solid var(--g-leaf); outline-offset: 3px; }
.pcs-main .g-eyebrow { color: var(--g-green); }
.pcs-main .g-eyebrow::before { background: var(--g-green); }
.pcs-main .g-btn svg { width: 18px; height: 18px; }

/* ===== 1. Hero：全幅深色 banner ===== */
.pcs-hero {
  position: relative; overflow: hidden; color: #fff;
  background: var(--g-deep) var(--pcs-hero-img, none) center 42% / cover no-repeat;
}
.pcs-hero-veil {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(13,47,34,.8) 0%, rgba(13,47,34,.62) 46%, rgba(13,47,34,.26) 100%);
}
.pcs-hero-in { position: relative; z-index: 1; padding: clamp(44px, 5vw, 72px) 0 clamp(34px, 4vw, 52px); }
.pcs-crumb { display: flex; align-items: center; gap: 10px; font-size: 13px; color: rgba(255,255,255,.66); margin-bottom: 26px; }
.pcs-crumb a { color: rgba(255,255,255,.66); text-decoration: none; transition: color .2s; }
.pcs-crumb a:hover { color: #fff; }
.pcs-crumb [aria-current] { color: rgba(255,255,255,.92); font-weight: 600; }
.pcs-hero .g-eyebrow { color: var(--g-leaf); }
.pcs-hero .g-eyebrow::before { background: var(--g-leaf); }
.pcs-hero h1 {
  color: #fff; font-size: clamp(32px, 4vw, 54px); font-weight: 800;
  letter-spacing: -.03em; margin: 14px 0 16px;
}
.pcs-hero-lead { max-width: 62ch; font-size: 15.5px; line-height: 1.9; color: rgba(255,255,255,.82); margin: 0 0 30px; }
.pcs-hero-stats {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px;
  margin: 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.18);
}
.pcs-hero-stats div { display: flex; align-items: baseline; gap: 12px; }
.pcs-hero-stats dd { margin: 0; display: flex; align-items: baseline; gap: 3px; }
.pcs-hero-stats b { font-size: clamp(24px, 2.4vw, 34px); font-weight: 800; color: #fff; line-height: 1; letter-spacing: -.02em; }
.pcs-hero-stats b span { font-size: .46em; font-weight: 600; color: var(--g-leaf); margin-left: 2px; }
.pcs-hero-stats dt { font-size: 12.5px; color: rgba(255,255,255,.62); letter-spacing: .04em; }

/* ===== 2. 场景分类快捷条 ===== */
.pcs-catbar { background: #fff; border-bottom: 1px solid var(--g-line); }
.pcs-catbar-in { display: flex; align-items: center; gap: 18px; padding: 14px 0; }
.pcs-catbar-label { flex-shrink: 0; font-size: 13px; font-weight: 700; color: var(--g-muted); letter-spacing: .06em; }
.pcs-catbar-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.pcs-catbar-chips a {
  font-size: 13.5px; font-weight: 600; color: var(--g-muted); text-decoration: none;
  padding: 7px 16px; border-radius: 999px; border: 1px solid var(--g-line);
  background: var(--g-cream); transition: all .2s;
}
.pcs-catbar-chips a:hover { color: var(--g-green); border-color: var(--g-green); background: #fff; }
.pcs-catbar-chips a.is-on { color: #fff; background: var(--g-ink); border-color: var(--g-ink); }

/* ===== 3. 案例网格 ===== */
.pcs-sec { padding: clamp(56px, 6vw, 88px) 0; }
.pcs-sec-head { margin-bottom: clamp(28px, 3vw, 44px); }
.pcs-sec-head h2 {
  font-size: clamp(24px, 2.6vw, 34px); letter-spacing: -.02em; margin: 12px 0 10px;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.pcs-sec-head h2 em {
  font-style: normal; font-size: 13px; font-weight: 700; color: var(--g-green);
  background: var(--g-mint); border-radius: 999px; padding: 4px 14px; letter-spacing: .02em;
}
.pcs-sec-head > p { margin: 0; font-size: 14.5px; line-height: 1.8; color: var(--g-muted); max-width: 68ch; }

.pcs-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(22px, 2.6vw, 34px); }
.pcs-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--g-line);
  border-radius: var(--g-radius, 18px); overflow: hidden; transition: box-shadow .25s, transform .25s;
}
.pcs-card:hover { box-shadow: var(--g-shadow); transform: translateY(-4px); }
.pcs-card-media { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; background: var(--g-mint); }
.pcs-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--g-ease, ease); }
.pcs-card:hover .pcs-card-media img { transform: scale(1.04); }
.pcs-card-ph {
  position: absolute; inset: 0; display: grid; place-items: center;
  color: var(--g-green); background: linear-gradient(135deg, var(--g-mint), var(--g-mint-2));
}
.pcs-card-ph svg { width: 52px; height: 52px; }
.pcs-card-cat {
  position: absolute; left: 14px; top: 14px; font-size: 12px; font-weight: 700;
  color: var(--g-ink); background: rgba(255,255,255,.94); border-radius: 999px; padding: 6px 13px;
}
.pcs-card-body { display: flex; flex-direction: column; flex: 1; padding: 22px 24px 24px; }
.pcs-card-no {
  font-size: 11.5px; font-weight: 800; letter-spacing: .14em; color: var(--g-green);
  text-transform: uppercase; margin-bottom: 8px;
}
.pcs-card-title { margin: 0 0 10px; font-size: 19px; font-weight: 700; letter-spacing: -.01em; line-height: 1.45; }
.pcs-card-title a { color: var(--g-ink); text-decoration: none; transition: color .2s; }
.pcs-card-title a:hover { color: var(--g-green); }
.pcs-card-sum { margin: 0 0 14px; font-size: 14px; line-height: 1.8; color: var(--g-muted); }
.pcs-card-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 16px; }
.pcs-card-tags span {
  font-size: 12px; font-weight: 600; color: var(--g-green);
  background: var(--g-mint); border-radius: 999px; padding: 4px 11px;
}
.pcs-card-more {
  margin-top: auto; display: inline-flex; align-items: center; gap: 7px;
  font-size: 13.5px; font-weight: 700; color: var(--g-green); text-decoration: none;
}
.pcs-card-more svg { width: 15px; height: 15px; transition: transform .25s; }
.pcs-card-more:hover { text-decoration: underline; text-underline-offset: 4px; }
.pcs-card:hover .pcs-card-more svg { transform: translateX(4px); }

/* ===== 4. 空状态 ===== */
.pcs-empty {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  background: #fff; border: 1px dashed var(--g-line); border-radius: var(--g-radius, 18px);
  padding: clamp(44px, 5vw, 72px) 24px; color: var(--g-muted);
}
.pcs-empty svg { color: var(--g-green); margin-bottom: 18px; }
.pcs-empty h3 { margin: 0 0 10px; font-size: 20px; color: var(--g-ink); }
.pcs-empty p { margin: 0 0 26px; font-size: 14.5px; line-height: 1.85; max-width: 52ch; }
.pcs-empty-btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.pcs-empty .g-btn-ghost { color: var(--g-green); border-color: var(--g-green); }
.pcs-empty .g-btn-ghost:hover { background: var(--g-mint); border-color: var(--g-green); }

/* ===== 响应式 ===== */
@media (max-width: 1100px) {
  .pcs-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .pcs-hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 24px; }
}
@media (max-width: 760px) {
  body .cs-float { display: none; } /* 底部四宫格客服栏已覆盖联系入口 */
}
@media (max-width: 620px) {
  .pcs-wrap { width: calc(100% - 36px); }
  .pcs-sec { padding: 62px 0; }
  .pcs-hero h1 { font-size: 30px; }
  .pcs-hero-lead { font-size: 14.5px; }
  .pcs-hero-stats div { flex-direction: column; align-items: flex-start; gap: 5px; }
  .pcs-catbar-in { flex-direction: column; align-items: flex-start; gap: 10px; }
  .pcs-card-body { padding: 18px 18px 20px; }
  .pcs-card-title { font-size: 17px; }
}