/* ============================================================
   generic-39 · 通用型企业子站模板
   类前缀：oc-   原型：A 分屏 Hero
   配色：深海 #0B4F6C / 水光 #01BAEF / 沙白 #FBFBFF / 墨蓝 #0C2233
   签名：20px 大圆角、柔和径向渐变、波浪分隔、水泡数据块、浅海标签
   ============================================================ */

.oc-body {
  --oc-deep: #0B4F6C;
  --oc-deep-2: #0E6489;
  --oc-water: #01BAEF;
  --oc-water-soft: #7FE1FA;
  --oc-sand: #FBFBFF;
  --oc-ink: #0C2233;
  --oc-muted: #5F7C8C;
  --oc-line: #D9EEF7;
  --oc-soft: #EFF9FD;
  --oc-grad: linear-gradient(125deg, #0B4F6C 0%, #017BA6 55%, #01BAEF 100%);
  --oc-r: 20px;
  --oc-r-lg: 28px;
  --oc-shadow: 0 14px 38px rgba(11, 79, 108, .09);
  --oc-shadow-hover: 0 24px 54px rgba(11, 79, 108, .16);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
.oc-body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--oc-ink);
  background: var(--oc-sand);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
.oc-body img { max-width: 100%; height: auto; border: 0; }
.oc-body a { color: inherit; text-decoration: none; }
.oc-body ul { list-style: none; margin: 0; padding: 0; }
.oc-wrap { width: 100%; max-width: 1220px; margin: 0 auto; padding: 0 24px; }
.oc-hide { display: none !important; }
.oc-noscroll { overflow: hidden; }

/* ---------- 基础区块 ---------- */
.oc-sec { padding: 82px 0; position: relative; }
.oc-sec--soft {
  background:
    radial-gradient(circle at 12% 0%, rgba(1, 186, 239, .10), transparent 42%),
    radial-gradient(circle at 92% 90%, rgba(1, 186, 239, .08), transparent 46%),
    var(--oc-soft);
  border-radius: 48px 48px 0 0;
}
.oc-head2 { text-align: center; margin-bottom: 42px; }
.oc-eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 3px;
  color: var(--oc-deep-2); text-transform: uppercase; margin-bottom: 8px;
}
.oc-eyebrow::before {
  content: ""; display: inline-block; width: 22px; height: 8px; margin-right: 8px;
  border-radius: 999px; background: linear-gradient(90deg, var(--oc-water), transparent);
}
.oc-h2 { font-size: 34px; line-height: 1.28; font-weight: 800; color: var(--oc-deep); margin: 0 0 10px; letter-spacing: -.5px; }
.oc-lead { font-size: 15px; color: var(--oc-muted); margin: 0; }
.oc-center { text-align: center; margin-top: 34px; }
.oc-more { color: var(--oc-deep-2); font-weight: 700; font-size: 15px; border-bottom: 2px solid var(--oc-water-soft); padding-bottom: 2px; }
.oc-more:hover { color: var(--oc-water); border-color: var(--oc-water); }

.oc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 30px; border-radius: 999px; font-size: 15px; font-weight: 700;
  border: 1.5px solid transparent; transition: all .25s ease;
}
.oc-btn--water { background: linear-gradient(120deg, #0B9DD1, #01BAEF); color: #fff; box-shadow: 0 12px 26px rgba(1, 186, 239, .32); }
.oc-btn--water:hover { transform: translateY(-3px); box-shadow: 0 18px 34px rgba(1, 186, 239, .42); }
.oc-btn--line { color: var(--oc-deep); border-color: #A9DCEF; background: #fff; }
.oc-btn--line:hover { background: var(--oc-deep); border-color: var(--oc-deep); color: #fff; }

/* ---------- 顶栏 ---------- */
.oc-head {
  position: sticky; top: 0; z-index: 80;
  background: rgba(251, 251, 255, .96);
  border-bottom: 1px solid var(--oc-line);
  box-shadow: 0 8px 26px rgba(11, 79, 108, .05);
}
.oc-head__in {
  max-width: 1220px; margin: 0 auto; padding: 12px 24px;
  display: flex; align-items: center; gap: 18px;
}
.oc-brand { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.oc-brand__logo { display: block; }
.oc-brand__img { height: 44px; width: auto; display: block; }
.oc-brand__title { display: flex; flex-direction: column; padding-left: 12px; border-left: 1px solid var(--oc-line); }
.oc-brand__name { font-size: 21px; font-weight: 800; line-height: 1.25; color: var(--oc-deep); }
.oc-brand__meta { font-size: 11px; color: var(--oc-muted); }
.oc-brand__meta b { color: var(--oc-water); font-size: 12px; }
.oc-nav { margin: 0 auto; display: flex; align-items: center; gap: 2px; flex-wrap: wrap; justify-content: center; }
.oc-nav__item { display: inline-block; padding: 9px 14px; font-size: 14px; color: var(--oc-ink); border-radius: 999px; transition: all .2s; }
.oc-nav__item:hover { background: var(--oc-soft); color: var(--oc-deep-2); }
.oc-nav__on { background: var(--oc-deep); color: #fff; font-weight: 600; }
.oc-nav__on:hover { background: var(--oc-deep); color: #fff; }
.oc-head__tel {
  display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto;
  background: linear-gradient(120deg, #0B9DD1, #01BAEF); color: #fff;
  padding: 10px 20px; border-radius: 999px; font-size: 14px; font-weight: 700;
  box-shadow: 0 10px 22px rgba(1, 186, 239, .28); white-space: nowrap;
}
.oc-head__tel:hover { transform: translateY(-2px); }
.oc-head__telico {
  width: 8px; height: 8px; border-radius: 50%; background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, .28);
}
.oc-burger { display: none; margin-left: auto; border: 1px solid var(--oc-line); background: #fff; border-radius: 12px; padding: 8px 10px; cursor: pointer; }
.oc-burger span { display: block; width: 20px; height: 2px; margin: 4px 0; background: var(--oc-deep); }

/* ---------- 移动抽屉 ---------- */
.oc-drawer {
  display: none; position: fixed; inset: 0 0 0 auto; width: 80%; max-width: 330px;
  background: #fff; z-index: 220; padding: 20px; overflow-y: auto;
  box-shadow: -16px 0 50px rgba(12, 34, 51, .22);
}
.oc-drawer--open { display: block; }
.oc-drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.oc-drawer__name { font-weight: 800; color: var(--oc-deep); }
.oc-drawer__close { border: 0; background: none; font-size: 27px; line-height: 1; cursor: pointer; color: var(--oc-muted); }
.oc-drawer__item { display: block; padding: 12px 8px; border-bottom: 1px solid var(--oc-line); font-size: 15px; }
.oc-drawer__on { color: var(--oc-water); font-weight: 700; }
.oc-drawer__tel { display: block; margin-top: 20px; text-align: center; padding: 13px; border-radius: 999px; background: var(--oc-grad); color: #fff; font-weight: 700; }

/* ---------- Hero 分屏 ---------- */
.oc-hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(circle at 18% 18%, rgba(1, 186, 239, .20), transparent 46%),
    radial-gradient(circle at 84% 74%, rgba(127, 225, 250, .26), transparent 48%),
    linear-gradient(178deg, #EAF9FF 0%, #F7FDFF 62%, #FBFBFF 100%);
}
.oc-hero__in {
  max-width: 1220px; margin: 0 auto; padding: 76px 24px 96px;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center;
  position: relative; z-index: 2;
}
.oc-hero__in--solo { grid-template-columns: 1fr; max-width: 860px; }
.oc-hero__badge {
  display: inline-block; padding: 7px 18px; border-radius: 999px; font-size: 13px; font-weight: 600;
  color: var(--oc-deep); background: rgba(255, 255, 255, .8);
  border: 1px solid #BEE9F8; box-shadow: 0 6px 16px rgba(1, 186, 239, .10);
  margin-bottom: 18px;
}
.oc-hero__h1 { font-size: 44px; line-height: 1.24; font-weight: 800; color: var(--oc-deep); margin: 0 0 16px; letter-spacing: -1px; }
.oc-hero__lead { font-size: 16px; color: #40697C; margin: 0 0 28px; max-width: 540px; }
.oc-hero__btns { display: flex; gap: 14px; flex-wrap: wrap; }
.oc-hero__meta { display: flex; align-items: center; gap: 9px; margin: 24px 0 0; font-size: 13px; color: var(--oc-muted); }
.oc-bubble-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--oc-water); box-shadow: 0 0 0 5px rgba(1, 186, 239, .16); }
.oc-hero__media { position: relative; }
.oc-hero__frame {
  display: block; padding: 12px; background: rgba(255, 255, 255, .92);
  border-radius: 30px; box-shadow: 0 30px 70px rgba(11, 79, 108, .22);
  border: 1px solid #CBEBF8;
}
.oc-hero__frame img { display: block; width: 100%; border-radius: 20px; }
.oc-hero__shine {
  position: absolute; width: 120px; height: 120px; right: -26px; top: -26px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, .95), rgba(1, 186, 239, .16) 62%, transparent 72%);
  pointer-events: none;
}
.oc-hero__wave {
  position: absolute; left: 0; right: 0; bottom: -1px; height: 40px; z-index: 1;
  background: radial-gradient(circle at 26px 40px, var(--oc-sand) 25px, rgba(251, 251, 255, 0) 26px) repeat-x;
  background-size: 52px 40px;
}

/* ---------- 公司简介 ---------- */
.oc-about__in { display: grid; grid-template-columns: 1.15fr .85fr; gap: 52px; align-items: center; }
.oc-about__full {
  font-size: 15px; line-height: 2; color: #334E5E; max-height: 250px; overflow: hidden; position: relative;
  -webkit-mask-image: linear-gradient(180deg, #000 78%, transparent);
  mask-image: linear-gradient(180deg, #000 78%, transparent);
}
.oc-about__full--open { max-height: none; -webkit-mask-image: none; mask-image: none; }
.oc-about__full p { margin: 0 0 12px; }
.oc-about__full img { display: none; }
.oc-about__toggle { margin: 12px 0 16px; }
.oc-about__btn { display: inline-flex; align-items: center; gap: 4px; padding: 4px 0; border: 0; background: none; color: var(--oc-deep-2); font-size: 14px; font-weight: 700; cursor: pointer; }
.oc-about__aside { display: grid; gap: 18px; }
.oc-about__bubble {
  position: relative; overflow: hidden; padding: 26px 28px; border-radius: 28px 28px 28px 10px;
  background: linear-gradient(140deg, #EAF9FF, #FFFFFF); border: 1px solid var(--oc-line);
  box-shadow: var(--oc-shadow);
}
.oc-about__bubble::after {
  content: ""; position: absolute; width: 90px; height: 90px; right: -22px; bottom: -26px;
  border-radius: 50%; background: radial-gradient(circle, rgba(1, 186, 239, .22), transparent 70%);
}
.oc-about__bubble--water { background: var(--oc-grad); border-color: transparent; }
.oc-about__bubbleno { display: block; font-size: 12px; font-weight: 800; letter-spacing: 2px; color: var(--oc-water); }
.oc-about__bubblett { display: block; font-size: 20px; font-weight: 800; color: var(--oc-deep); margin: 4px 0 6px; }
.oc-about__bubbledesc { display: block; font-size: 13px; color: var(--oc-muted); }
.oc-about__bubble--water .oc-about__bubbleno { color: #B8F2FF; }
.oc-about__bubble--water .oc-about__bubblett { color: #fff; }
.oc-about__bubble--water .oc-about__bubbledesc { color: rgba(255, 255, 255, .82); }

/* ---------- 品牌形象广告图 ---------- */
.oc-ad { padding: 8px 0 82px; }
.oc-ad__head { text-align: center; margin-bottom: 26px; }
.oc-ad__cap { font-size: 13px; color: var(--oc-muted); margin: 2px 0 0; }
.oc-ad__fig {
  margin: 0; padding: 14px; background: #fff; border-radius: 32px;
  border: 1px solid var(--oc-line); box-shadow: 0 28px 66px rgba(11, 79, 108, .14);
}
.oc-ad__img { display: block; width: 100%; border-radius: 22px; }

/* ---------- 实力水泡 ---------- */
.oc-stat__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.oc-stat__bubble {
  position: relative; overflow: hidden; min-height: 178px; padding: 28px 26px;
  background: #fff; border: 1px solid #D6F0FA; border-radius: 34px 34px 30px 30px;
  box-shadow: var(--oc-shadow); transition: all .28s ease;
}
.oc-stat__bubble::before {
  content: ""; position: absolute; width: 86px; height: 86px; right: -18px; top: -24px;
  border-radius: 50%; background: radial-gradient(circle at 35% 35%, rgba(1, 186, 239, .20), rgba(1, 186, 239, .04) 70%);
}
.oc-stat__bubble:hover { transform: translateY(-6px); box-shadow: var(--oc-shadow-hover); border-color: var(--oc-water-soft); }
.oc-stat__no { display: block; font-size: 13px; letter-spacing: 2px; font-weight: 800; color: var(--oc-water); }
.oc-stat__name { display: block; margin: 6px 0 8px; font-size: 20px; font-weight: 800; color: var(--oc-deep); }
.oc-stat__desc { display: block; font-size: 13px; color: var(--oc-muted); }

/* ---------- 产品 ---------- */
.oc-prod__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 24px; }
.oc-prod {
  display: block; position: relative; padding: 12px 12px 18px; background: #fff;
  border: 1px solid var(--oc-line); border-radius: var(--oc-r-lg); box-shadow: var(--oc-shadow);
  transition: all .28s ease;
}
.oc-prod:hover { transform: translateY(-6px); box-shadow: var(--oc-shadow-hover); border-color: var(--oc-water-soft); }
.oc-prod__img { display: block; aspect-ratio: 4 / 3; overflow: hidden; border-radius: 18px; background: var(--oc-soft); }
.oc-prod__img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.oc-prod:hover .oc-prod__img img { transform: scale(1.05); }
.oc-prod__tag {
  display: inline-block; margin: 12px 0 0 4px; padding: 3px 12px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: 1px; color: var(--oc-deep-2);
  background: #E4F7FD; border: 1px solid #C4ECF9;
}
.oc-prod__name { display: block; padding: 6px 4px 0; font-size: 15px; font-weight: 700; color: var(--oc-deep); }

/* ---------- 优势 ---------- */
.oc-adv__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.oc-adv__item {
  display: flex; gap: 18px; padding: 24px; background: #fff; border: 1px solid #D6F0FA;
  border-radius: var(--oc-r-lg); box-shadow: var(--oc-shadow); transition: all .25s;
}
.oc-adv__item:hover { transform: translateY(-4px); box-shadow: var(--oc-shadow-hover); }
.oc-adv__no {
  flex: 0 0 auto; width: 46px; height: 46px; border-radius: 50% 50% 46% 54%;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, #0B9DD1, #01BAEF);
  box-shadow: 0 8px 18px rgba(1, 186, 239, .3);
}
.oc-adv__name { margin: 0 0 4px; font-size: 18px; font-weight: 800; color: var(--oc-deep); }
.oc-adv__desc { margin: 0; font-size: 13px; color: var(--oc-muted); }

/* ---------- 承诺 / 应用 ---------- */
.oc-promise__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.oc-promise__panel {
  padding: 34px; border-radius: 32px; background: #fff; border: 1px solid var(--oc-line);
  box-shadow: var(--oc-shadow);
}
.oc-promise__panel--water { background: var(--oc-grad); border-color: transparent; }
.oc-promise__panel .oc-eyebrow { color: var(--oc-deep-2); }
.oc-promise__panel .oc-h2 { font-size: 26px; }
.oc-promise__panel--water .oc-eyebrow { color: #B8F2FF; }
.oc-promise__panel--water .oc-eyebrow::before { background: linear-gradient(90deg, #fff, transparent); }
.oc-promise__panel--water .oc-h2 { color: #fff; }
.oc-promise__list { display: grid; gap: 12px; }
.oc-promise__item {
  display: flex; align-items: flex-start; gap: 10px; padding: 12px 16px;
  background: var(--oc-soft); border-radius: 14px; font-size: 14px; color: #33525F;
}
.oc-promise__ico {
  flex: 0 0 auto; width: 20px; height: 20px; border-radius: 50%; background: var(--oc-water);
  color: #fff; font-size: 12px; line-height: 20px; text-align: center; font-weight: 700;
}
.oc-apps { display: flex; flex-wrap: wrap; gap: 10px; }
.oc-apps__pill {
  display: inline-block; padding: 9px 18px; border-radius: 999px; font-size: 13px;
  color: #EAFBFF; background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .34);
}

/* ---------- 新闻 ---------- */
.oc-news__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.oc-news__item {
  display: block; padding: 24px; background: #fff; border: 1px solid #D6F0FA;
  border-radius: 24px; box-shadow: var(--oc-shadow); transition: all .25s;
}
.oc-news__item:hover { transform: translateY(-5px); box-shadow: var(--oc-shadow-hover); }
.oc-news__date {
  display: inline-block; padding: 3px 12px; border-radius: 999px; font-size: 12px; font-weight: 700;
  color: var(--oc-deep-2); background: #E4F7FD; margin-bottom: 10px;
}
.oc-news__title { display: block; font-size: 16px; font-weight: 700; color: var(--oc-deep); margin-bottom: 6px; }
.oc-news__desc {
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  font-size: 13px; color: var(--oc-muted);
}

/* ---------- FAQ ---------- */
.oc-faq__list { max-width: 940px; margin: 0 auto; }
.oc-faq__item {
  background: #fff; border: 1px solid var(--oc-line); border-radius: 18px;
  margin-bottom: 12px; padding: 0 22px; box-shadow: 0 8px 22px rgba(11, 79, 108, .05);
}
.oc-faq__item summary {
  position: relative; cursor: pointer; list-style: none; padding: 17px 30px 17px 0;
  font-size: 15px; font-weight: 700; color: var(--oc-deep);
}
.oc-faq__item summary::-webkit-details-marker { display: none; }
.oc-faq__item summary::after {
  content: "+"; position: absolute; right: 0; top: 14px; width: 24px; height: 24px;
  border-radius: 50%; background: var(--oc-soft); color: var(--oc-deep-2);
  text-align: center; line-height: 24px; font-size: 16px; font-weight: 700;
}
.oc-faq__item[open] summary::after { content: "–"; background: var(--oc-water); color: #fff; }
.oc-faq__item p { margin: 0 0 18px; font-size: 14px; color: var(--oc-muted); line-height: 1.9; }

/* ---------- 分站 ---------- */
.oc-city__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.oc-city__item {
  display: flex; flex-direction: column; gap: 2px; padding: 15px 18px;
  background: #fff; border: 1px solid #D6F0FA; border-radius: 18px; transition: all .22s;
}
.oc-city__item:hover { border-color: var(--oc-water); background: #F5FCFF; transform: translateY(-3px); }
.oc-city__region { font-size: 15px; font-weight: 800; color: var(--oc-deep); }
.oc-city__site { font-size: 12px; color: var(--oc-muted); }
.oc-city__item--fold { display: none; }
.oc-city__grid.oc-city__grid--open .oc-city__item--fold { display: flex; }
.oc-city__more {
  display: block; margin: 26px auto 0; padding: 10px 26px; cursor: pointer;
  border: 1px solid #A9DCEF; border-radius: 999px; background: #fff;
  color: var(--oc-deep-2); font-size: 14px; font-weight: 700;
}
.oc-city__more:hover { background: var(--oc-deep); color: #fff; border-color: var(--oc-deep); }

/* ---------- 关联企业 ---------- */
.oc-partners__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.oc-partners__item {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 15px 20px; border-radius: 999px; background: linear-gradient(120deg, #FFFFFF, #EFF9FD);
  border: 1px solid var(--oc-line); transition: all .22s;
}
.oc-partners__item:hover { border-color: var(--oc-water); box-shadow: 0 10px 24px rgba(1, 186, 239, .16); transform: translateY(-3px); }
.oc-partners__name { font-size: 14px; font-weight: 700; color: var(--oc-deep); }
.oc-partners__region { font-size: 12px; color: var(--oc-muted); }

/* ---------- CTA ---------- */
.oc-cta {
  position: relative; overflow: hidden; padding: 62px 0; color: #fff;
  background: radial-gradient(circle at 22% 20%, rgba(1, 186, 239, .40), transparent 44%), var(--oc-grad);
}
.oc-cta::after {
  content: ""; position: absolute; width: 420px; height: 420px; right: -120px; bottom: -260px;
  border-radius: 50%; border: 60px solid rgba(255, 255, 255, .06);
}
.oc-cta__in { display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap; position: relative; z-index: 1; }
.oc-cta__title { margin: 0 0 6px; font-size: 28px; font-weight: 800; color: #fff; }
.oc-cta__lead { margin: 0; font-size: 15px; color: rgba(255, 255, 255, .82); }
.oc-cta__tel {
  font-size: 32px; font-weight: 800; color: #fff; padding: 10px 30px;
  border: 1.5px solid rgba(255, 255, 255, .5); border-radius: 999px; white-space: nowrap;
}
.oc-cta__tel:hover { background: rgba(255, 255, 255, .14); }

/* ---------- 页脚 ---------- */
.oc-foot { background: linear-gradient(180deg, #0A2A3A, #071B26); color: rgba(255, 255, 255, .74); font-size: 13px; padding-top: 54px; }
.oc-foot__main { display: grid; grid-template-columns: 1.35fr .65fr 1fr; gap: 38px; max-width: 1220px; margin: 0 auto; padding: 0 24px 34px; }
.oc-foot__name { font-size: 21px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.oc-foot__desc { margin: 0 0 10px; }
.oc-foot__tel a { color: var(--oc-water-soft); font-size: 22px; font-weight: 800; }
.oc-foot__tt { color: #fff; font-weight: 700; margin-bottom: 10px; }
.oc-foot__nav a { display: block; padding: 4px 0; color: rgba(255, 255, 255, .72); }
.oc-foot__nav a:hover { color: var(--oc-water-soft); }
.oc-foot__info p { margin: 0 0 6px; }
.oc-foot__city { max-width: 1220px; margin: 0 auto; padding: 18px 24px; border-top: 1px solid rgba(255, 255, 255, .1); }
.oc-foot__citytt { color: #fff; font-weight: 700; margin-right: 8px; }
.oc-foot__citylist { display: inline; }
.oc-foot__cityitem { display: inline-block; margin: 0 12px 6px 0; color: rgba(255, 255, 255, .68); }
.oc-foot__cityitem:hover { color: var(--oc-water-soft); }
.oc-foot__cityitem--fold { display: none; }
.oc-foot__citylist--open .oc-foot__cityitem--fold { display: inline-block; }
.oc-foot__morebtn { border: 1px solid rgba(255, 255, 255, .32); background: none; color: #fff; border-radius: 999px; padding: 3px 12px; cursor: pointer; font-size: 12px; }
.oc-foot__nap { max-width: 1220px; margin: 0 auto; padding: 14px 24px; border-top: 1px solid rgba(255, 255, 255, .1); color: rgba(255, 255, 255, .54); font-size: 12px; }
.oc-foot__nap p { margin: 0 0 4px; }
.oc-foot__copy { max-width: 1220px; margin: 0 auto; padding: 16px 24px 28px; border-top: 1px solid rgba(255, 255, 255, .1); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: rgba(255, 255, 255, .46); }
.oc-foot__copy a { color: rgba(255, 255, 255, .58); }
.oc-foot__copy a:hover { color: var(--oc-water-soft); }

/* ---------- 移动拨号 ---------- */
.oc-dial { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 100; padding: 8px 12px; background: rgba(251, 251, 255, .97); box-shadow: 0 -8px 24px rgba(11, 79, 108, .12); }
.oc-dial__tel { display: block; text-align: center; padding: 12px; border-radius: 999px; background: linear-gradient(120deg, #0B9DD1, #01BAEF); color: #fff; font-weight: 800; }

/* ---------- 内页页头 ---------- */
.oc-pagehero {
  position: relative; overflow: hidden; color: #fff; padding: 62px 0 58px;
  background: radial-gradient(circle at 20% 10%, rgba(1, 186, 239, .42), transparent 46%), var(--oc-grad);
}
.oc-pagehero::after {
  content: ""; position: absolute; width: 340px; height: 340px; right: -90px; top: -160px;
  border-radius: 50%; border: 46px solid rgba(255, 255, 255, .07);
}
.oc-crumb { position: relative; z-index: 1; margin: 0 0 10px; font-size: 13px; color: rgba(255, 255, 255, .76); }
.oc-crumb a { color: #fff; border-bottom: 1px solid rgba(255, 255, 255, .4); }
.oc-pageh1 { position: relative; z-index: 1; margin: 0; font-size: 34px; font-weight: 800; color: #fff; letter-spacing: -.5px; }

/* ---------- 内页通用 ---------- */
.oc-pagebody { padding: 66px 0 80px; }
.oc-card {
  padding: 34px; background: #fff; border: 1px solid var(--oc-line);
  border-radius: var(--oc-r-lg); box-shadow: var(--oc-shadow);
}
.oc-card__tt { margin: 0 0 16px; font-size: 22px; font-weight: 800; color: var(--oc-deep); }
.oc-card__tt--sub { margin-top: 32px; }
.oc-card__row { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px dashed var(--oc-line); font-size: 15px; }
.oc-card__row:last-child { border-bottom: 0; }
.oc-card__k { flex: 0 0 92px; color: var(--oc-muted); }
.oc-rich { font-size: 15px; line-height: 2; color: #33525F; }
.oc-rich p { margin: 0 0 13px; }
.oc-rich img { border-radius: 16px; }
.oc-aboutpage { display: grid; grid-template-columns: 1.25fr .75fr; gap: 34px; align-items: start; }
.oc-aboutpage__media img { display: block; width: 100%; border-radius: var(--oc-r-lg); box-shadow: var(--oc-shadow); }
.oc-contact { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.oc-steps { margin: 0; padding: 0; counter-reset: ocstep; }
.oc-steps li {
  list-style: none; counter-increment: ocstep; position: relative;
  padding: 12px 0 12px 46px; font-size: 14px; color: #33525F;
  border-bottom: 1px dashed var(--oc-line);
}
.oc-steps li::before {
  content: counter(ocstep, decimal-leading-zero); position: absolute; left: 0; top: 11px;
  width: 30px; height: 30px; border-radius: 50%; background: var(--oc-soft);
  color: var(--oc-deep-2); font-size: 12px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.oc-steps li + li { margin-top: 2px; }

/* ---------- 列表 ---------- */
.oc-list { display: grid; gap: 16px; }
.oc-list__item {
  display: flex; gap: 20px; padding: 18px; background: #fff; border: 1px solid var(--oc-line);
  border-radius: 22px; box-shadow: 0 8px 22px rgba(11, 79, 108, .05); transition: all .22s;
}
.oc-list__item:hover { border-color: var(--oc-water-soft); transform: translateY(-3px); box-shadow: var(--oc-shadow); }
.oc-list__thumb { flex: 0 0 170px; height: 114px; overflow: hidden; border-radius: 14px; background: var(--oc-soft); }
.oc-list__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.oc-list__body { flex: 1 1 auto; min-width: 0; }
.oc-list__title { display: block; margin-bottom: 6px; font-size: 17px; font-weight: 700; color: var(--oc-deep); }
.oc-list__desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: 13px; color: var(--oc-muted); }
.oc-list__date { display: block; margin-top: 8px; font-size: 12px; color: #8AA6B4; }
.oc-region {
  display: inline-block; margin-right: 7px; padding: 0 8px; border-radius: 999px;
  font-style: normal; font-size: 11px; font-weight: 700; color: var(--oc-deep-2);
  background: #E4F7FD; border: 1px solid #C4ECF9; vertical-align: 2px;
}
.oc-empty { padding: 30px 0; font-size: 14px; color: var(--oc-muted); }

/* 分页（固定类名） */
.pagination { margin: 30px 0 0; text-align: center; font-size: 14px; }
.pagination a, .pagination span {
  display: inline-block; min-width: 36px; padding: 6px 11px; margin: 0 3px;
  border: 1px solid var(--oc-line); border-radius: 10px; color: var(--oc-ink); background: #fff;
}
.pagination a:hover { border-color: var(--oc-water); color: var(--oc-deep-2); }
.pagination .current { background: var(--oc-deep); border-color: var(--oc-deep); color: #fff; }

/* ---------- 新闻详情双栏 ---------- */
.oc-newsdetail { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 30px; align-items: start; }
.oc-article { padding: 32px; background: #fff; border: 1px solid var(--oc-line); border-radius: var(--oc-r-lg); box-shadow: var(--oc-shadow); }
.oc-article__meta { margin-bottom: 14px; font-size: 13px; color: var(--oc-muted); }
.oc-article__cover { display: block; width: 100%; border-radius: 18px; margin-bottom: 20px; }
.oc-article__body { font-size: 15px; line-height: 2; color: #33525F; }
.oc-article__body p { margin: 0 0 14px; }
.oc-article__body img { border-radius: 16px; }
.oc-article__back { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.oc-side { padding: 24px; background: #fff; border: 1px solid var(--oc-line); border-radius: var(--oc-r-lg); box-shadow: var(--oc-shadow); }
.oc-side__tt { margin: 0 0 14px; padding-left: 10px; border-left: 4px solid var(--oc-water); font-size: 17px; font-weight: 800; color: var(--oc-deep); }
.oc-side__item { display: block; padding: 11px 0; border-bottom: 1px dashed var(--oc-line); }
.oc-side__item:last-of-type { border-bottom: 0; }
.oc-side__title { display: block; font-size: 14px; color: var(--oc-ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.oc-side__item:hover .oc-side__title { color: var(--oc-deep-2); }
.oc-side__date { display: block; font-size: 12px; color: #8AA6B4; }
.oc-side__empty { margin: 0 0 10px; font-size: 13px; color: var(--oc-muted); }
.oc-side__more { display: inline-block; margin-top: 14px; }

/* ---------- 产品详情 ---------- */
.oc-prodhero { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.oc-prodhero__media { padding: 16px; background: #fff; border: 1px solid var(--oc-line); border-radius: 30px; box-shadow: var(--oc-shadow); }
.oc-prodhero__media img { display: block; width: 100%; border-radius: 20px; }
.oc-prodhero__kicker { display: inline-block; margin-bottom: 10px; font-size: 12px; font-weight: 800; letter-spacing: 2px; color: var(--oc-deep-2); }
.oc-prodhero__h1 { margin: 0 0 14px; font-size: 30px; line-height: 1.35; font-weight: 800; color: var(--oc-deep); }
.oc-prodhero__desc { margin: 0 0 20px; font-size: 15px; color: var(--oc-muted); }
.oc-info { border-top: 1px solid var(--oc-line); margin-bottom: 22px; }
.oc-info__row { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px dashed var(--oc-line); font-size: 14px; }
.oc-info__k { flex: 0 0 88px; color: var(--oc-muted); }
.oc-info__v { flex: 1 1 auto; color: var(--oc-ink); }
.oc-prodhero__btns { display: flex; gap: 12px; flex-wrap: wrap; }
.oc-prodshow { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 30px; align-items: start; margin-top: 40px; }
.oc-prodshow__main { padding: 32px; background: #fff; border: 1px solid var(--oc-line); border-radius: var(--oc-r-lg); box-shadow: var(--oc-shadow); font-size: 15px; line-height: 2; color: #33525F; }
.oc-prodshow__main p { margin: 0 0 14px; }
.oc-panel { padding: 22px; background: #fff; border: 1px solid var(--oc-line); border-radius: var(--oc-r-lg); box-shadow: var(--oc-shadow); margin-bottom: 16px; }
.oc-panel__tt { margin: 0 0 12px; padding-left: 10px; border-left: 4px solid var(--oc-water); font-size: 15px; font-weight: 800; color: var(--oc-deep); }
.oc-panel p { margin: 0 0 6px; font-size: 13px; color: var(--oc-muted); }
.oc-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.oc-chip { display: inline-block; padding: 5px 13px; border-radius: 999px; background: var(--oc-soft); color: var(--oc-deep-2); font-size: 13px; }
.oc-crumb--dark { color: var(--oc-muted); margin: 0 0 20px; font-size: 13px; }
.oc-crumb--dark a { color: var(--oc-deep-2); border-bottom: 1px solid var(--oc-water-soft); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .oc-nav { display: none; }
  .oc-head__tel { margin-left: auto; }
  .oc-burger { display: block; margin-left: 0; }
  .oc-hero__in { grid-template-columns: 1fr; gap: 36px; padding: 54px 24px 78px; }
  .oc-hero__h1 { font-size: 34px; }
  .oc-about__in, .oc-newsdetail, .oc-prodshow, .oc-prodhero, .oc-contact, .oc-aboutpage { grid-template-columns: 1fr; }
  .oc-sec { padding: 58px 0; }
  .oc-h2 { font-size: 28px; }
  .oc-stat__grid { grid-template-columns: repeat(2, 1fr); }
  .oc-adv__grid { grid-template-columns: 1fr; }
  .oc-foot__main { grid-template-columns: 1fr; gap: 24px; }
  .oc-prodhero__media { order: -1; }
}
@media (max-width: 640px) {
  .oc-wrap { padding: 0 16px; }
  .oc-head__in { padding: 10px 16px; gap: 10px; }
  .oc-brand__img { height: 34px; }
  .oc-brand__name { font-size: 17px; }
  .oc-brand__meta { font-size: 11px; }
  .oc-head__tel { padding: 8px 13px; font-size: 12px; }
  .oc-hero__h1 { font-size: 27px; }
  .oc-hero__lead { font-size: 14px; }
  .oc-stat__grid, .oc-prod__grid, .oc-news__grid, .oc-city__grid, .oc-partners__grid, .oc-promise__grid { grid-template-columns: 1fr; }
  .oc-list__item { flex-direction: column; gap: 12px; }
  .oc-list__thumb { flex: none; width: 100%; height: 150px; }
  .oc-card, .oc-article, .oc-prodshow__main { padding: 22px; }
  .oc-pageh1 { font-size: 25px; }
  .oc-cta__tel { font-size: 25px; }
  .oc-dial { display: block; }
  .oc-body { padding-bottom: 70px; }
  .oc-hero__frame { padding: 9px; }
}