/* 浙江京力新材料 — 内页扩展样式（多页版） */

/* ---------- 当前页导航高亮 ---------- */
.nav-links a.active { color: var(--txt); }
.nav-links a.active::after { width: 100%; }
.nav-cta.is-current { box-shadow: 0 0 0 2px rgba(255, 122, 26, 0.4), 0 6px 20px rgba(255, 122, 26, 0.45); }

/* ---------- 内页页头 ---------- */
.page-head {
  position: relative; overflow: hidden;
  padding: 148px 0 64px;
  background:
    radial-gradient(ellipse 62% 70% at 14% 0%, rgba(255, 122, 26, 0.16), transparent 70%),
    radial-gradient(ellipse 58% 70% at 90% 8%, rgba(59, 130, 246, 0.14), transparent 72%),
    var(--bg-alt);
  border-bottom: 1px solid var(--card-border);
}
.page-head::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 85% 75% at 40% 30%, #000 25%, transparent 78%);
}
.page-head .container { position: relative; }
.crumb { font-size: 12.5px; color: var(--txt-sub); letter-spacing: 0.06em; margin-bottom: 16px; }
.crumb a:hover { color: var(--orange); }
.crumb i { font-style: normal; opacity: 0.5; margin: 0 8px; }
.page-head h1 { font-size: clamp(28px, 3.6vw, 44px); font-weight: 800; line-height: 1.25; letter-spacing: 0.5px; }
.page-head .lead { color: var(--txt-sub); font-size: 16px; max-width: 760px; margin-top: 16px; }
.page-head .head-tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }

/* ---------- 通用双栏 ---------- */
.prose-grid { display: grid; grid-template-columns: 1.12fr 0.88fr; gap: 52px; align-items: start; }
.prose-grid p { color: var(--txt-sub); font-size: 15.5px; margin-bottom: 16px; }
.prose-grid strong { color: var(--txt); }

/* ---------- 优势 / 卖点卡片 ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.adv-grid-3 { grid-template-columns: repeat(3, 1fr); }
.adv-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 24px 22px; transition: 0.3s;
}
.adv-card:hover { border-color: rgba(255, 122, 26, 0.5); transform: translateY(-5px); }
.adv-num {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px;
  font-weight: 800; font-size: 15px; color: var(--orange);
  background: var(--orange-soft); border: 1px solid rgba(255, 122, 26, 0.32);
  margin-bottom: 16px;
}
.adv-card h3 { font-size: 16.5px; margin-bottom: 8px; }
.adv-card p { color: var(--txt-sub); font-size: 14px; line-height: 1.72; }

/* ---------- 首页产品分类入口 ---------- */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cat-card {
  position: relative; display: block; overflow: hidden;
  border-radius: var(--radius); border: 1px solid var(--card-border);
  aspect-ratio: 4 / 3; background: #0b1220;
}
.cat-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1); }
.cat-card:hover img { transform: scale(1.07); }
.cat-card figcaption {
  position: absolute; inset: auto 0 0 0; padding: 52px 20px 18px;
  background: linear-gradient(transparent, rgba(4, 8, 18, 0.93));
}
.cat-card strong { display: block; font-size: 18px; color: #fff; }
.cat-card em { font-style: normal; display: block; font-size: 12.5px; color: #ffb27a; margin-top: 3px; }
.cat-card span { display: block; font-size: 13px; color: rgba(255, 255, 255, 0.68); margin-top: 5px; }

/* ---------- 证书墙 ---------- */
.certs-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cert {
  margin: 0; overflow: hidden; transition: 0.3s;
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
}
.cert:hover { border-color: rgba(255, 122, 26, 0.48); transform: translateY(-6px); box-shadow: 0 22px 44px rgba(0, 0, 0, 0.5); }
.cert__btn {
  display: block; width: 100%; padding: 0; border: 0; cursor: zoom-in;
  background: #f2f4f8; line-height: 0;
}
.cert__btn img { width: 100%; aspect-ratio: 480 / 676; object-fit: cover; object-position: top center; }
.cert figcaption { padding: 13px 15px 16px; }
.cert__tag {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  color: #9dc1fb; background: var(--blue-soft); border: 1px solid rgba(59, 130, 246, 0.32);
  padding: 3px 9px; border-radius: 6px; margin-bottom: 8px;
}
.cert__tag.is-gs { color: #7ee08a; background: rgba(126, 224, 138, 0.12); border-color: rgba(126, 224, 138, 0.34); }
.cert__tag.is-ce { color: #ffd28a; background: rgba(255, 210, 138, 0.12); border-color: rgba(255, 210, 138, 0.34); }
.cert__tag.is-inv { color: #ffb27a; background: var(--orange-soft); border-color: rgba(255, 122, 26, 0.36); }
.cert strong { display: block; font-size: 13.5px; line-height: 1.48; }
.cert small { display: block; font-size: 11.5px; color: var(--txt-sub); line-height: 1.65; margin-top: 6px; }

/* ---------- 证书灯箱 ---------- */
.lb {
  position: fixed; inset: 0; z-index: 1000; display: none;
  place-items: center; padding: 4vh 3vw;
  background: rgba(4, 7, 14, 0.95); backdrop-filter: blur(6px);
}
.lb.open { display: grid; }
.lb__img { max-width: min(1040px, 94vw); max-height: 86vh; width: auto; height: auto; object-fit: contain; border-radius: 10px; background: #fff; }
.lb__cap { position: absolute; left: 50%; bottom: 3vh; transform: translateX(-50%); width: max-content; max-width: 88vw; text-align: center; font-size: 13.5px; color: var(--txt-sub); }
.lb__close {
  position: absolute; top: 20px; right: 24px; width: 42px; height: 42px;
  display: grid; place-items: center; cursor: pointer;
  background: rgba(148, 163, 184, 0.12); border: 1px solid var(--card-border);
  border-radius: 50%; color: var(--txt); font-size: 20px; line-height: 1;
}
.lb__close:hover { background: var(--orange); border-color: var(--orange); color: #fff; }
body.lb-open { overflow: hidden; }

/* ---------- 标准 / 参数表 ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.std-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 520px; }
.std-table th, .std-table td { text-align: left; padding: 12px 15px; border-bottom: 1px solid var(--card-border); vertical-align: top; }
.std-table thead th { color: var(--txt-sub); font-size: 12.5px; font-weight: 700; letter-spacing: 0.06em; }
.std-table tbody tr:hover { background: rgba(148, 163, 184, 0.05); }
.std-table td:first-child { color: var(--txt); font-weight: 600; white-space: nowrap; }
.std-table td { color: var(--txt-sub); }

/* ---------- 发展历程时间轴 ---------- */
.tl { position: relative; padding-left: 28px; }
.tl::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, var(--orange), rgba(59, 130, 246, 0.5), transparent); }
.tl-item { position: relative; padding-bottom: 28px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -28px; top: 7px;
  width: 12px; height: 12px; border-radius: 50%; background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 26, 0.16);
}
.tl-item strong { display: block; font-size: 14px; color: var(--orange); font-variant-numeric: tabular-nums; letter-spacing: 0.04em; }
.tl-item h4 { font-size: 17px; margin: 3px 0 7px; }
.tl-item p { color: var(--txt-sub); font-size: 14.5px; }

/* ---------- 内页结尾行动条 ---------- */
.cta-band {
  display: flex; align-items: center; justify-content: space-between; gap: 22px; flex-wrap: wrap;
  padding: 30px 34px; border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255, 122, 26, 0.14), rgba(59, 130, 246, 0.12));
  border: 1px solid rgba(255, 122, 26, 0.3);
}
.cta-band h3 { font-size: 21px; margin-bottom: 6px; }
.cta-band p { color: var(--txt-sub); font-size: 14.5px; }
.cta-band .cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 联系页 ---------- */
.contact-cards-wide { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.map-card {
  border: 1px solid var(--card-border); border-radius: var(--radius);
  overflow: hidden; background: var(--card);
}
.map-card .map-head { padding: 18px 20px; }
.map-card .map-head strong { font-size: 15.5px; }
.map-card .map-head p { color: var(--txt-sub); font-size: 14px; margin-top: 4px; }
.map-card iframe, .map-card .map-ph { display: block; width: 100%; height: 280px; border: 0; background: #0b1220; }
.map-card .map-ph { display: grid; place-items: center; color: var(--txt-sub); font-size: 13.5px; text-align: center; padding: 20px; }

/* ---------- 响应式补充 ---------- */
@media (max-width: 960px) {
  .page-head { padding: 122px 0 52px; }
  .certs-grid { grid-template-columns: repeat(3, 1fr); }
  .adv-grid, .adv-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .prose-grid { grid-template-columns: 1fr; gap: 38px; }
}
@media (max-width: 640px) {
  .page-head { padding: 108px 0 44px; }
  .certs-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .cert figcaption { padding: 10px 11px 13px; }
  .cert strong { font-size: 12.5px; }
  .adv-grid, .adv-grid-3, .cat-grid { grid-template-columns: 1fr; }
  .contact-cards-wide { grid-template-columns: 1fr; }
  .cta-band { padding: 24px 22px; }
  .lb__close { top: 12px; right: 14px; }
}