/* =========================================================
   style.css — pepi global 复刻版前台样式
   主色 #0078d7 · 容器 1600px · Roboto 字体族
   ========================================================= */

:root {
  --c: #0078d7;
  --c-dark: #005a9e;
  --hover: #20232C;
  --ink: #111111;
  --intro: #555555;
  --line: #e9eef3;
  --bg: #ffffff;
  --bg-soft: #f5f8fb;
  --head: #ffffff;
  --foot: #eeeeee;
  --f: 'Roboto', 'Lato', 'Open Sans', 'Poppins', -apple-system, 'Segoe UI', arial, sans-serif;
  --w: 1600px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f); font-size: 16px; line-height: 1.65; color: var(--ink);
  background: var(--bg); max-width: 1920px; margin: 0 auto;
}
a, a:link, a:visited { color: inherit; text-decoration: none; }
a:hover { color: var(--c); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }

.wrap { width: var(--w); max-width: calc(100% - 40px); margin: 0 auto; }

/* ---------------- 顶部信息条 ---------------- */
.topbar { background: var(--hover); color: #cfd6de; font-size: 14px; }
.topbar__in { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 42px; }
.topbar__group { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.topbar a { color: #fff; display: inline-flex; align-items: center; gap: 7px; }
.topbar a:hover { color: #9fc8ec; }
.topbar svg { width: 15px; height: 15px; flex: none; fill: currentColor; opacity: .75; }
.topbar__tag { background: var(--c); color: #fff; font-size: 12px; padding: 2px 10px; border-radius: 3px; letter-spacing: .5px; }

/* ---------------- 头部 ---------------- */
.head { background: var(--head); position: sticky; top: 0; z-index: 90; box-shadow: 0 1px 14px rgba(16, 42, 67, .08); }
.head__in { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 88px; }
.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo__mark {
  width: 44px; height: 44px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, var(--c) 0%, #00a2ff 100%);
  color: #fff; font-weight: 700; font-size: 21px; display: flex; align-items: center; justify-content: center;
}
.logo__txt { font-size: 25px; font-weight: 700; letter-spacing: .4px; color: var(--ink); }
.logo__txt b { color: var(--c); font-weight: 700; }

.nav { display: flex; align-items: center; }
.nav > li { position: relative; }
.nav > li > a {
  display: flex; align-items: center; gap: 5px; padding: 32px 21px; font-size: 16px; font-weight: 500;
  color: var(--ink); letter-spacing: .3px; transition: color .18s;
}
.nav > li > a .car { width: 10px; height: 10px; border-right: 1.6px solid #97a3ae; border-bottom: 1.6px solid #97a3ae; transform: rotate(45deg) translateY(-2px); transition: transform .2s; }
.nav > li:hover > a { color: var(--c); }
.nav > li:hover > a .car { transform: rotate(225deg) translateY(-1px); }
.nav > li.on > a { color: var(--c); }
.submenu {
  position: absolute; top: 100%; left: 12px; min-width: 205px; background: #fff;
  box-shadow: 0 12px 30px rgba(16, 42, 67, .13); border-top: 3px solid var(--c);
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .22s ease; z-index: 20;
}
.nav > li:hover .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu a { display: block; padding: 11px 20px; font-size: 15px; color: #3c4650; border-bottom: 1px solid #f1f5f8; }
.submenu li:last-child a { border-bottom: 0; }
.submenu a:hover { background: var(--bg-soft); color: var(--c); padding-left: 25px; transition: padding .18s; }

/* 语言切换器 */
.lang { position: relative; flex: none; }
.lang__btn {
  display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 9px 14px;
  border: 1px solid var(--line); border-radius: 6px; font-size: 14px; color: var(--intro); background: #fff;
  transition: border-color .18s, color .18s;
}
.lang__btn:hover { border-color: var(--c); color: var(--c); }
.lang__globe { width: 17px; height: 17px; fill: currentColor; }
.lang__arrow { font-size: 9px; transition: transform .2s; }
.lang.open .lang__arrow { transform: rotate(180deg); }
.lang__menu {
  position: absolute; right: 0; top: calc(100% + 8px); width: 216px; max-height: 420px; overflow: auto;
  background: #fff; border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 16px 40px rgba(16, 42, 67, .16);
  padding: 7px; display: none; z-index: 60;
}
.lang.open .lang__menu { display: block; }
.lang__item {
  display: flex; align-items: center; gap: 10px; padding: 8px 11px; border-radius: 6px;
  font-size: 14.5px; cursor: pointer; color: #2f3941;
}
.lang__item:hover { background: var(--bg-soft); color: var(--c); }
.lang__item.on { background: #e8f2fc; color: var(--c); font-weight: 500; }
.lang__flag {
  width: 26px; height: 18px; border-radius: 3px; flex: none; display: flex; align-items: center; justify-content: center;
  font-size: 8.5px; font-weight: 700; color: #fff; letter-spacing: .3px;
  background: linear-gradient(135deg, #3a7bd5, #00d2ff);
}
.lang__item.on .lang__flag { background: linear-gradient(135deg, var(--c), #00a2ff); }

.burger { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 6px; background: none; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 11px; width: 21px; height: 2px; background: var(--ink); transition: all .22s; }
.burger span:nth-child(1) { top: 14px; } .burger span:nth-child(2) { top: 21px; } .burger span:nth-child(3) { top: 28px; }
.burger.x span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.burger.x span:nth-child(2) { opacity: 0; }
.burger.x span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ---------------- 轮播 banner ---------------- */
.banner { position: relative; overflow: hidden; background: #0b1c2c; }
.banner__track { display: flex; transition: transform .65s cubic-bezier(.7, 0, .25, 1); }
.banner__slide { min-width: 100%; position: relative; }
.banner__slide img { width: 100%; height: auto; aspect-ratio: 1382 / 500; object-fit: cover; }
.banner__cap {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; gap: 14px;
  padding: 0 8%; background: linear-gradient(90deg, rgba(6, 24, 40, .72) 0%, rgba(6, 24, 40, .25) 55%, transparent 100%);
  color: #fff;
}
.banner__cap h2 { font-size: clamp(28px, 3.6vw, 54px); font-weight: 700; line-height: 1.16; max-width: 640px; }
.banner__cap p { font-size: clamp(15px, 1.15vw, 19px); max-width: 560px; opacity: .93; }
.banner__btn {
  align-self: flex-start; background: var(--c); color: #fff !important; padding: 13px 34px; border-radius: 4px;
  font-weight: 500; letter-spacing: .4px; transition: background .2s, transform .2s;
}
.banner__btn:hover { background: var(--c-dark); transform: translateY(-2px); }
.banner__nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255, 255, 255, .16); border: 0; color: #fff; cursor: pointer; display: flex; align-items: center;
  justify-content: center; transition: background .2s; z-index: 5;
}
.banner__nav:hover { background: var(--c); }
.banner__nav svg { width: 20px; height: 20px; fill: currentColor; }
.banner__nav--prev { left: 18px; } .banner__nav--next { right: 18px; }
.banner__dots { position: absolute; bottom: 20px; left: 0; right: 0; display: flex; justify-content: center; gap: 9px; z-index: 5; }
.banner__dots i { width: 26px; height: 4px; border-radius: 3px; background: rgba(255, 255, 255, .42); cursor: pointer; transition: background .2s; }
.banner__dots i.on { background: #fff; }

/* ---------------- 通用标题 ---------------- */
.sec { padding: 84px 0; }
.sec--soft { background: var(--bg-soft); }
.sec__title { text-align: center; font-size: clamp(26px, 2.4vw, 36px); font-weight: 700; letter-spacing: .5px; margin-bottom: 12px; }
.sec__title em { font-style: normal; color: var(--c); }
.sec__bar { width: 62px; height: 3px; background: var(--c); margin: 0 auto 44px; border-radius: 2px; }
.sec__sub { text-align: center; color: var(--intro); max-width: 760px; margin: -22px auto 46px; font-size: 16.5px; }

.more-btn {
  display: inline-flex; align-items: center; gap: 9px; border: 1.5px solid var(--c); color: var(--c);
  padding: 12px 34px; border-radius: 4px; font-size: 15px; font-weight: 500; letter-spacing: .4px;
  transition: all .22s; background: transparent; cursor: pointer;
}
.more-btn:hover { background: var(--c); color: #fff !important; transform: translateY(-2px); }
.more-btn--solid { background: var(--c); color: #fff; }
.more-btn--solid:hover { background: var(--c-dark); }
.more-wrap { text-align: center; margin-top: 48px; }

/* ---------------- 产品区 ---------------- */
.pro-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.pcard {
  background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
  transition: transform .25s, box-shadow .25s; display: flex; flex-direction: column;
}
.pcard:hover { transform: translateY(-6px); box-shadow: 0 16px 38px rgba(16, 42, 67, .13); }
.pcard__img { position: relative; aspect-ratio: 4 / 3; background: var(--bg-soft); overflow: hidden; }
.pcard__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.pcard:hover .pcard__img img { transform: scale(1.06); }
.pcard__tag {
  position: absolute; top: 12px; left: 12px; background: rgba(0, 120, 215, .92); color: #fff;
  font-size: 11.5px; padding: 4px 10px; border-radius: 3px; letter-spacing: .4px; z-index: 2;
}
.pcard__body { padding: 19px 20px 22px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.pcard__name { font-size: 17.5px; font-weight: 600; line-height: 1.35; color: var(--ink); }
a.pcard__name:hover { color: var(--c); }
.pcard__spec { font-size: 13.5px; color: #8a97a3; line-height: 1.5; }
.pcard__link { margin-top: auto; padding-top: 8px; font-size: 14px; color: var(--c); font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.pcard__link::after { content: "→"; transition: transform .2s; }
.pcard:hover .pcard__link::after { transform: translateX(4px); }

/* ---------------- 关于区 ---------------- */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 66px; }
.about__title { font-size: clamp(26px, 2.4vw, 36px); font-weight: 700; margin-bottom: 22px; }
.about__title em { font-style: normal; color: var(--c); }
.about__txt { color: var(--intro); font-size: 16.5px; margin-bottom: 30px; }
.about__img { border-radius: 10px; overflow: hidden; box-shadow: 0 20px 50px rgba(16, 42, 67, .16); }
.about__img img { width: 100%; height: 100%; object-fit: cover; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 30px 20px;
  display: flex; align-items: center; gap: 17px; transition: transform .25s, box-shadow .25s;
}
.stat:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(16, 42, 67, .11); }
.stat__ic {
  width: 56px; height: 56px; border-radius: 12px; flex: none; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #e8f2fc, #d4e8f9); color: var(--c);
}
.stat__ic svg { width: 27px; height: 27px; fill: currentColor; }
.stat__num { font-size: 36px; font-weight: 700; line-height: 1.05; color: var(--ink); }
.stat__num sup { font-size: 17px; color: var(--c); }
.stat__txt { font-size: 14.5px; color: #75828e; }

/* ---------------- 新闻区 ---------------- */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.ncard { background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; display: flex; transition: transform .25s, box-shadow .25s; }
.ncard:hover { transform: translateY(-5px); box-shadow: 0 16px 38px rgba(16, 42, 67, .12); }
.ncard__img { width: 246px; flex: none; background: var(--bg-soft); }
.ncard__img img { width: 100%; height: 100%; object-fit: cover; }
.ncard__body { padding: 23px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.ncard__date { font-size: 13px; color: #9aa6b1; display: flex; align-items: center; gap: 6px; }
.ncard__date svg { width: 14px; height: 14px; fill: currentColor; }
.ncard__title { font-size: 18px; font-weight: 600; line-height: 1.45; color: var(--ink); }
a.ncard__title:hover { color: var(--c); }
.ncard__sum { font-size: 14.5px; color: #7b8894; line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ncard__link { margin-top: auto; font-size: 14px; color: var(--c); font-weight: 500; }

/* ---------------- 留言区（首页底部 & 联系页） ---------------- */
.msgsec { background: linear-gradient(135deg, #0d2438 0%, #103a5c 55%, #0d2438 100%); color: #fff; padding: 88px 0; position: relative; overflow: hidden; }
.msgsec::before {
  content: ""; position: absolute; right: -180px; top: -180px; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 120, 215, .35) 0%, transparent 68%);
}
.msgsec__grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 66px; align-items: center; position: relative; }
.msgsec__title { font-size: clamp(26px, 2.4vw, 38px); font-weight: 700; margin-bottom: 16px; }
.msgsec__title em { font-style: normal; color: #6db6f2; }
.msgsec__txt { color: #b9cbd9; font-size: 16.5px; margin-bottom: 34px; }
.msgsec__list { display: flex; flex-direction: column; gap: 19px; }
.msgsec__item { display: flex; align-items: flex-start; gap: 15px; }
.msgsec__ic { width: 46px; height: 46px; border-radius: 10px; flex: none; background: rgba(255, 255, 255, .1); display: flex; align-items: center; justify-content: center; }
.msgsec__ic svg { width: 21px; height: 21px; fill: #6db6f2; }
.msgsec__item b { display: block; font-size: 15.5px; margin-bottom: 3px; }
.msgsec__item span { color: #b9cbd9; font-size: 15px; word-break: break-all; }

.mform { background: #fff; border-radius: 12px; padding: 36px 34px; box-shadow: 0 24px 60px rgba(0, 0, 0, .3); }
.mform__row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.mform label { display: block; font-size: 13.5px; color: #66727d; margin: 0 0 6px 2px; font-weight: 500; }
.mform input, .mform textarea {
  width: 100%; border: 1px solid #dde5ec; border-radius: 6px; padding: 12px 14px; font-size: 15px;
  color: var(--ink); background: #fbfdfe; transition: border-color .18s, box-shadow .18s;
}
.mform input:focus, .mform textarea:focus { outline: none; border-color: var(--c); box-shadow: 0 0 0 3px rgba(0, 120, 215, .13); background: #fff; }
.mform textarea { min-height: 112px; resize: vertical; }
.mform__field { margin-bottom: 15px; }
.mform__btn {
  width: 100%; background: var(--c); color: #fff; border: 0; border-radius: 6px; padding: 14px; font-size: 16px;
  font-weight: 600; letter-spacing: .5px; cursor: pointer; transition: background .2s, transform .2s;
}
.mform__btn:hover { background: var(--c-dark); transform: translateY(-1px); }
.mform__btn[disabled] { opacity: .65; cursor: wait; transform: none; }
.mform__note { font-size: 12.5px; color: #93a0ab; margin-top: 12px; text-align: center; }
.mform__alert { border-radius: 6px; padding: 12px 15px; font-size: 14.5px; margin-bottom: 15px; display: none; }
.mform__alert.show { display: block; }
.mform__alert--ok { background: #e6f6ec; color: #1c7c42; border: 1px solid #bfe6cd; }
.mform__alert--err { background: #fdecec; color: #b4342c; border: 1px solid #f5cccc; }

/* ---------------- 内页头 ---------------- */
.phead {
  position: relative; padding: 74px 0; background: #10314d center/cover no-repeat; color: #fff;
}
.phead::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(9, 28, 45, .82), rgba(9, 28, 45, .45)); }
.phead__in { position: relative; z-index: 2; }
.phead__title { font-size: clamp(28px, 3vw, 42px); font-weight: 700; margin-bottom: 10px; }
.crumb { font-size: 14.5px; color: #c6d5e0; display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.crumb a:hover { color: #fff; }
.crumb i { font-style: normal; opacity: .55; }

/* ---------------- 产品列表页 ---------------- */
.list-layout { display: grid; grid-template-columns: 1fr 316px; gap: 34px; align-items: start; }
.filters { display: flex; gap: 9px; flex-wrap: wrap; margin-bottom: 26px; }
.chip {
  border: 1px solid var(--line); background: #fff; color: var(--intro); border-radius: 20px;
  padding: 8px 19px; font-size: 14px; cursor: pointer; transition: all .18s;
}
.chip:hover { border-color: var(--c); color: var(--c); }
.chip.on { background: var(--c); border-color: var(--c); color: #fff; }

.side { display: flex; flex-direction: column; gap: 26px; }
.side__box { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 22px; }
.side__box h3 { font-size: 16.5px; font-weight: 600; margin-bottom: 16px; padding-bottom: 13px; border-bottom: 2px solid var(--c); display: inline-block; }
.side__cats li { border-bottom: 1px dashed var(--line); }
.side__cats li:last-child { border-bottom: 0; }
.side__cats a { display: flex; justify-content: space-between; align-items: center; padding: 11px 2px; font-size: 15px; color: #404b55; }
.side__cats a:hover, .side__cats a.on { color: var(--c); }
.side__cats i { font-style: normal; font-size: 12.5px; color: #a9b4be; }
.side__mini { display: flex; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.side__mini:last-child { border-bottom: 0; }
.side__mini img { width: 62px; height: 62px; object-fit: cover; border-radius: 6px; flex: none; background: var(--bg-soft); }
.side__mini b { font-size: 14px; font-weight: 500; line-height: 1.4; color: var(--ink); }
.side__mini a:hover b { color: var(--c); }

.pager { display: flex; justify-content: center; gap: 8px; margin-top: 46px; flex-wrap: wrap; }
.pager button {
  min-width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; border-radius: 6px;
  color: var(--intro); cursor: pointer; font-size: 14.5px; transition: all .18s; padding: 0 13px;
}
.pager button:hover:not([disabled]) { border-color: var(--c); color: var(--c); }
.pager button.on { background: var(--c); border-color: var(--c); color: #fff; }
.pager button[disabled] { opacity: .45; cursor: not-allowed; }

/* ---------------- 产品详情 ---------------- */
.pd { display: grid; grid-template-columns: 460px 1fr; gap: 48px; align-items: start; }
.pd__gal { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--bg-soft); }
.pd__gal img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.pd__thumbs { display: flex; gap: 10px; margin-top: 12px; }
.pd__thumbs img { width: 74px; height: 74px; object-fit: cover; border-radius: 6px; border: 2px solid transparent; cursor: pointer; background: var(--bg-soft); }
.pd__thumbs img.on { border-color: var(--c); }
.pd__name { font-size: clamp(24px, 2.3vw, 32px); font-weight: 700; line-height: 1.3; margin-bottom: 13px; }
.pd__meta { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 22px; }
.pd__meta span { background: #eef5fb; color: var(--c-dark); font-size: 13px; padding: 5px 13px; border-radius: 4px; }
.pd__tbl { width: 100%; border-collapse: collapse; margin: 20px 0 26px; }
.pd__tbl th, .pd__tbl td { border: 1px solid var(--line); padding: 11px 16px; font-size: 14.5px; text-align: left; }
.pd__tbl th { background: #f7fafc; color: #4d5862; font-weight: 600; width: 34%; }
.pd__tbl td { color: var(--ink); }
.pd__acts { display: flex; gap: 13px; flex-wrap: wrap; margin-bottom: 26px; }
.pd__desc { color: var(--intro); font-size: 16px; line-height: 1.85; }
.pd__desc p { margin-bottom: 14px; }
.pd__ruo {
  display: flex; gap: 13px; align-items: flex-start; background: #fff8e8; border: 1px solid #f3e0b0;
  border-radius: 8px; padding: 15px 17px; font-size: 14px; color: #7a5c14; margin: 22px 0;
}
.pd__ruo svg { width: 20px; height: 20px; fill: #d9a02b; flex: none; margin-top: 2px; }

/* ---------------- 新闻详情 / 关于 / FAQ ---------------- */
.article { max-width: 920px; margin: 0 auto; }
.article__meta { display: flex; gap: 22px; font-size: 14px; color: #8a97a3; margin-bottom: 26px; flex-wrap: wrap; }
.article__img { border-radius: 10px; overflow: hidden; margin-bottom: 30px; }
.article__body { font-size: 16.5px; line-height: 1.95; color: #333d47; }
.article__body p { margin-bottom: 17px; white-space: pre-line; }
.article__body h3 { font-size: 20px; margin: 28px 0 14px; color: var(--ink); }

.profile { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.profile__img { border-radius: 10px; overflow: hidden; box-shadow: 0 18px 44px rgba(16, 42, 67, .14); }
.profile__txt { font-size: 17px; line-height: 2; color: #38434d; }
.profile__txt p { margin-bottom: 15px; }
.profile__marks { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }
.profile__mark { display: flex; gap: 11px; align-items: center; font-size: 15px; color: var(--ink); }
.profile__mark svg { width: 21px; height: 21px; fill: var(--c); flex: none; }

.faq-list { max-width: 960px; margin: 0 auto; display: flex; flex-direction: column; gap: 13px; }
.faq { background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; transition: box-shadow .2s; }
.faq.open { box-shadow: 0 10px 28px rgba(16, 42, 67, .1); }
.faq__q {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 18px; text-align: left;
  background: none; border: 0; padding: 19px 23px; font-size: 17px; font-weight: 600; color: var(--ink); cursor: pointer;
}
.faq__q i { font-style: normal; color: var(--c); font-size: 22px; line-height: 1; transition: transform .22s; flex: none; }
.faq.open .faq__q i { transform: rotate(45deg); }
.faq__a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq__a div { padding: 0 23px 21px; color: var(--intro); font-size: 15.5px; line-height: 1.9; white-space: pre-line; }
.faq.open .faq__a { max-height: 640px; }

.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.hcard { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 34px 22px; text-align: center; transition: transform .25s, box-shadow .25s; }
.hcard:hover { transform: translateY(-5px); box-shadow: 0 14px 34px rgba(16, 42, 67, .11); }
.hcard__ic { width: 62px; height: 62px; margin: 0 auto 17px; border-radius: 50%; background: #e8f2fc; display: flex; align-items: center; justify-content: center; color: var(--c); }
.hcard__ic svg { width: 29px; height: 29px; fill: currentColor; }
.hcard__name { font-size: 16.5px; font-weight: 600; margin-bottom: 7px; }
.hcard__year { font-size: 13.5px; color: #96a2ac; }
.empty { text-align: center; color: #96a2ac; padding: 70px 0; font-size: 16px; }

/* ---------------- 联系页 ---------------- */
.ccards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-bottom: 60px; }
.ccard { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 32px 24px; text-align: center; transition: transform .25s, box-shadow .25s; }
.ccard:hover { transform: translateY(-5px); box-shadow: 0 14px 34px rgba(16, 42, 67, .11); }
.ccard__ic { width: 58px; height: 58px; margin: 0 auto 16px; border-radius: 50%; background: #e8f2fc; display: flex; align-items: center; justify-content: center; color: var(--c); }
.ccard__ic svg { width: 26px; height: 26px; fill: currentColor; }
.ccard__name { font-size: 16px; font-weight: 600; margin-bottom: 7px; }
.ccard__val { font-size: 15px; color: var(--intro); word-break: break-word; }

.cgrid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 52px; align-items: start; }
.cinfo { display: flex; flex-direction: column; gap: 22px; }
.cinfo__item { display: flex; gap: 16px; }
.cinfo__ic { width: 48px; height: 48px; border-radius: 10px; background: #e8f2fc; color: var(--c); display: flex; align-items: center; justify-content: center; flex: none; }
.cinfo__ic svg { width: 22px; height: 22px; fill: currentColor; }
.cinfo__item b { display: block; font-size: 16px; margin-bottom: 4px; }
.cinfo__item span { color: var(--intro); font-size: 15.5px; word-break: break-all; }

/* ---------------- 页脚 ---------------- */
.foot { background: var(--foot); padding: 68px 0 0; margin-top: 0; }
.foot__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.1fr; gap: 44px; padding-bottom: 50px; }
.foot__brand .logo { margin-bottom: 19px; }
.foot__intro { color: #5b6670; font-size: 15px; line-height: 1.85; max-width: 380px; }
.foot h4 { font-size: 17px; font-weight: 600; margin-bottom: 21px; color: var(--ink); position: relative; padding-bottom: 11px; }
.foot h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 2.5px; background: var(--c); border-radius: 2px; }
.foot__list li { margin-bottom: 12px; font-size: 15px; color: #4c5762; display: flex; align-items: flex-start; gap: 10px; word-break: break-word; }
.foot__list svg { width: 16px; height: 16px; fill: var(--c); flex: none; margin-top: 4px; }
.foot__list a:hover { color: var(--c); }
.foot__pro li { margin-bottom: 10px; }
.foot__pro a { color: #4c5762; font-size: 15px; }
.foot__pro a:hover { color: var(--c); padding-left: 4px; display: inline-block; transition: padding .18s; }
.foot__bar { border-top: 1px solid #dde2e6; padding: 21px 0; }
.foot__bar-in { display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; font-size: 14px; color: #6a7580; }
.foot__ruo { display: flex; align-items: center; gap: 7px; }
.foot__ruo svg { width: 15px; height: 15px; fill: var(--c); }
.foot__bar a { color: #6a7580; }
.foot__bar a:hover { color: var(--c); }

/* 悬浮按钮 */
.fabs { position: fixed; right: 22px; bottom: 26px; display: flex; flex-direction: column; gap: 11px; z-index: 70; }
.fab {
  width: 48px; height: 48px; border-radius: 50%; border: 0; background: var(--c); color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 22px rgba(0, 120, 215, .38);
  transition: transform .2s, background .2s;
}
.fab:hover { transform: translateY(-3px); background: var(--c-dark); }
.fab svg { width: 21px; height: 21px; fill: currentColor; }
.fab--top { background: #47505a; box-shadow: 0 8px 20px rgba(0, 0, 0, .22); opacity: 0; pointer-events: none; transition: opacity .25s, transform .2s; }
.fab--top.show { opacity: 1; pointer-events: auto; }
.fab--wa { background: #25d366; box-shadow: 0 8px 22px rgba(37, 211, 102, .4); }

/* 动画 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1680px) { :root { --w: 1360px; } }
@media (max-width: 1440px) { .pro-grid { grid-template-columns: repeat(3, 1fr); } .honor-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 1180px) {
  :root { --w: 1024px; }
  .head__in { height: 76px; }
  .nav > li > a { padding: 26px 13px; font-size: 15px; }
  .pd { grid-template-columns: 1fr; }
  .list-layout { grid-template-columns: 1fr; }
  .ccards, .honor-grid { grid-template-columns: repeat(2, 1fr); }
  .ncard__img { width: 190px; }
}
@media (max-width: 900px) {
  :root { --w: 100%; }
  .burger { display: block; }
  .nav {
    position: fixed; top: 0; right: -300px; width: 300px; height: 100vh; background: #fff; z-index: 120;
    flex-direction: column; align-items: stretch; padding: 84px 0 30px; overflow: auto;
    box-shadow: -12px 0 34px rgba(0, 0, 0, .16); transition: right .28s ease;
  }
  .nav.open { right: 0; }
  .nav > li > a { padding: 15px 26px; }
  .submenu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border-top: 0; display: none; padding-left: 12px; }
  .nav > li:hover .submenu { display: block; }
  .nav > li.has-sub > a::after { content: "+"; margin-left: auto; font-size: 19px; color: #9aa6b1; }
  .lang { margin: 14px 26px 0; }
  .lang__menu { position: static; display: block; box-shadow: none; border: 0; max-height: none; width: 100%; padding: 0; }
  .sec { padding: 58px 0; }
  .pro-grid { grid-template-columns: repeat(2, 1fr); gap: 17px; }
  .about, .msgsec__grid, .cgrid, .profile { grid-template-columns: 1fr; gap: 34px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .foot__grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .mform__row { grid-template-columns: 1fr; }
  .topbar__in { justify-content: center; }
  .topbar__group--sec { display: none; }
  .banner__cap { padding: 0 22px; }
}
@media (max-width: 600px) {
  body { font-size: 15px; }
  .pro-grid, .stats, .ccards, .honor-grid, .foot__grid, .profile__marks { grid-template-columns: 1fr; }
  .ncard { flex-direction: column; }
  .ncard__img { width: 100%; height: 190px; }
  .banner__slide img { aspect-ratio: 4 / 3; }
  .sec__title { font-size: 24px; }
  .stat__num { font-size: 30px; }
  .pd__acts .more-btn { flex: 1; justify-content: center; }
  .fabs { right: 15px; bottom: 18px; }
}

/* ---------------- RTL（阿拉伯语） ---------------- */
[dir="rtl"] .foot h4::after { left: auto; right: 0; }
[dir="rtl"] .banner__cap { background: linear-gradient(270deg, rgba(6, 24, 40, .72) 0%, rgba(6, 24, 40, .25) 55%, transparent 100%); }
[dir="rtl"] .banner__nav--prev { left: auto; right: 18px; }
[dir="rtl"] .banner__nav--next { right: auto; left: 18px; }
[dir="rtl"] .pcard__link::after { content: "←"; }
[dir="rtl"] .nav { right: auto; left: -300px; }
[dir="rtl"] .nav.open { left: 0; }

/* ================= 追加：COA展示 / 实拍图库 / 社群窗口 / 悬浮条 ================= */

/* Logo 图片 */
.logo__img { height: 44px; width: auto; display: block; }
.foot .logo__img { height: 38px; background: #fff; border-radius: 6px; padding: 3px; }

/* COA 卡片 */
.coa-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.coa-grid--home { grid-template-columns: repeat(3, 1fr); }
.ccard { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; transition: .25s; }
.ccard:hover { box-shadow: 0 12px 32px rgba(0,60,120,.13); transform: translateY(-3px); }
.ccard__img { display: block; background: #f2f5f8; text-align: center; }
.ccard__img img { width: 100%; height: 320px; object-fit: contain; padding: 14px; }
.ccard__body { padding: 16px 18px 20px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; flex: 1; }
.ccard__date { font-size: .78rem; color: #7b8997; display: inline-flex; align-items: center; gap: 6px; }
.ccard__date svg { width: 14px; height: 14px; fill: currentColor; }
.ccard__title { font-size: 1.02rem; margin: 0; color: var(--ink); }
.ccard__sum { font-size: .84rem; color: #5b6b7c; margin: 0; flex: 1; }
.ccard__acts { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 4px; }
.ccard__btn { background: #25d366; color: #fff; font-size: .82rem; font-weight: 600; padding: 8px 14px; border-radius: 6px; white-space: nowrap; }
.ccard__btn:hover { background: #1eb457; color: #fff; }
.ccard__link { font-size: .84rem; color: var(--c); font-weight: 600; }

/* 实拍图库 */
.gal-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.gcard { border-radius: 10px; overflow: hidden; aspect-ratio: 3/4; }
.gcard:nth-child(1), .gcard:nth-child(4) { aspect-ratio: auto; grid-row: span 2; }
.gcard img { width: 100%; height: 100%; object-fit: cover; transition: .4s; }
.gcard:hover img { transform: scale(1.05); }
@media (max-width: 1100px) { .gal-grid { grid-template-columns: repeat(3, 1fr); } .gcard:nth-child(1), .gcard:nth-child(4) { grid-row: span 1; aspect-ratio: 3/4; } }
@media (max-width: 640px) { .gal-grid { grid-template-columns: repeat(2, 1fr); } }

/* 社群加入窗口（全站底部） */
.comm { background: linear-gradient(135deg, #04305c 0%, #0078d7 100%); padding: 56px 0 64px; color: #fff; }
.comm__title { text-align: center; color: #fff; font-size: 1.7rem; margin: 0 0 6px; }
.comm .sec__bar { background: rgba(255,255,255,.5); }
.comm__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 430px)); justify-content: center; gap: 26px; margin-top: 34px; }
.comm__card { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.22); border-radius: 14px; padding: 28px 26px; text-align: center; backdrop-filter: blur(4px); }
.comm__ic { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; }
.comm__ic svg { width: 26px; height: 26px; fill: #fff; }
.comm__ic--tg { background: #29a9eb; }
.comm__ic--wa { background: #25d366; }
.comm__card h3 { margin: 0 0 6px; font-size: 1.12rem; }
.comm__card p { margin: 0 0 16px; font-size: .88rem; color: rgba(255,255,255,.82); line-height: 1.6; }
.comm__qr { display: flex; flex-direction: column; align-items: center; gap: 8px; margin-bottom: 16px; }
.comm__qr img { width: 148px; height: 148px; background: #fff; border-radius: 10px; padding: 6px; }
.comm__qr span { font-size: .78rem; color: rgba(255,255,255,.75); }
.comm__btn { display: inline-block; padding: 10px 26px; border-radius: 8px; font-weight: 700; font-size: .92rem; color: #fff; }
.comm__btn--tg { background: #29a9eb; }
.comm__btn--tg:hover { background: #1c92cf; color: #fff; }
.comm__btn--wa { background: #25d366; }
.comm__btn--wa:hover { background: #1eb457; color: #fff; }
@media (max-width: 860px) { .comm__grid { grid-template-columns: 1fr; } }

/* 悬浮按钮：TG / 消息 */
.fab--tg { background: #29a9eb; color: #fff; }
.fab--tg:hover { background: #1c92cf; }
.fab--msg { background: var(--c); color: #fff; }
.fab--msg:hover { background: var(--c-dark); }

/* 移动端底部快捷条 */
.mbar { display: none; }
@media (max-width: 760px) {
  .mbar { display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 80; background: #fff; box-shadow: 0 -4px 18px rgba(0,0,0,.12); }
  .mbar a { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 7px 0 9px; font-size: .68rem; color: #33424f; }
  .mbar a svg { width: 20px; height: 20px; fill: currentColor; }
  .mbar a:first-child { color: #25d366; }
  .mbar a:nth-child(2) { color: #29a9eb; }
  .fabs { bottom: 74px; right: 12px; }
  body { padding-bottom: 52px; }
  .comm { padding: 40px 0 46px; }
}

/* 产品详情 WhatsApp 按钮 */
.more-btn--wa { background: #25d366; color: #fff; margin-left: 10px; }
.more-btn--wa:hover { background: #1eb457; color: #fff; }

/* 留言激励文案 */
.mform__note--hot { color: #b46a00; background: #fff7e8; border: 1px dashed #eebd6a; border-radius: 8px; padding: 10px 14px; font-weight: 600; }
.msgsec .mform__note--hot { color: #ffe3a8; background: rgba(255,255,255,.08); border-color: rgba(255,227,168,.45); }

/* ---------------- 图片灯箱（点击放大看清 COA / 产品图） ---------------- */
#lb { position: fixed; inset: 0; z-index: 9999; display: none; align-items: center; justify-content: center; padding: 24px; }
#lb.on { display: flex; }
.lb__mask { position: absolute; inset: 0; background: rgba(10,18,32,.92); backdrop-filter: blur(2px); }
.lb__box { position: relative; z-index: 1; max-width: 94vw; max-height: 92vh; display: flex; align-items: center; justify-content: center; }
.lb__img { max-width: 94vw; max-height: 92vh; width: auto; height: auto; border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,.5); background: #fff; }
.lb__close { position: absolute; top: -14px; right: -14px; width: 38px; height: 38px; border: 0; border-radius: 50%; background: #fff; color: #1b2a4a; font-size: 24px; line-height: 1; cursor: pointer; box-shadow: 0 4px 14px rgba(0,0,0,.35); }
.lb__close:hover { background: #ffe3a8; }
.ccard__img { cursor: zoom-in; }
.ccard__img img, .pd__img { cursor: zoom-in; }

/* ---------------- 灯箱：原始尺寸模式（长截图看细节） ---------------- */
.lb__box { overflow: auto; }
.lb__img { cursor: zoom-in; transition: max-width .2s, max-height .2s; }
.lb__img--full { max-width: none; max-height: none; cursor: zoom-out; }

/* ---------------- 首页实验室专区 ---------------- */
.labband { background: linear-gradient(135deg, #0e1e38 0%, #14315c 100%); color: #fff; padding: 54px 0; }
.labband__grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 42px; align-items: center; }
.labband__img img { width: 100%; border-radius: 12px; box-shadow: 0 18px 48px rgba(0,0,0,.35); display: block; }
.labband__title { font-size: 30px; margin: 0 0 14px; color: #fff; }
.labband__txt p { color: rgba(255,255,255,.82); line-height: 1.75; margin: 0 0 22px; }
@media (max-width: 860px) { .labband__grid { grid-template-columns: 1fr; gap: 26px; } .labband__title { font-size: 24px; } }

/* ---------------- 画廊角标 ---------------- */
.gcard { position: relative; cursor: zoom-in; overflow: hidden; border-radius: 10px; }
.gcard img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s; }
.gcard:hover img { transform: scale(1.05); }
.gcard__cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 12px 10px; color: #fff; font-size: 13px; background: linear-gradient(transparent, rgba(8,16,32,.78)); }

/* ---------------- 好评展示区（瀑布流） ---------------- */
.sec__sub { text-align: center; color: #5b6b85; margin: 6px 0 26px; font-size: 15px; }
.fb-grid { column-count: 5; column-gap: 14px; }
.fbcard { break-inside: avoid; margin: 0 0 14px; background: #fff; border: 1px solid #e3eaf4; border-radius: 10px; overflow: hidden; cursor: zoom-in; box-shadow: 0 2px 10px rgba(16,35,66,.06); transition: box-shadow .25s, transform .25s; }
.fbcard:hover { box-shadow: 0 10px 26px rgba(16,35,66,.16); transform: translateY(-3px); }
.fbcard img { width: 100%; display: block; }
.fbcard figcaption { padding: 9px 12px; font-size: 12.5px; color: #33455f; background: #f6f9fd; border-top: 1px solid #e3eaf4; line-height: 1.45; }
@media (max-width: 1180px) { .fb-grid { column-count: 4; } }
@media (max-width: 960px)  { .fb-grid { column-count: 3; } }
@media (max-width: 680px)  { .fb-grid { column-count: 2; } }

/* ---------------- 品牌（双 logo）展示 ---------------- */
.brands { display: flex; gap: 26px; justify-content: center; flex-wrap: wrap; }
.brandcard { background: #fff; border: 1px solid #e3eaf4; border-radius: 14px; padding: 26px 40px; display: flex; align-items: center; box-shadow: 0 2px 10px rgba(16,35,66,.06); transition: box-shadow .25s, transform .25s; }
.brandcard:hover { box-shadow: 0 10px 26px rgba(16,35,66,.15); transform: translateY(-3px); }
.brandcard img { height: 120px; width: auto; object-fit: contain; }