/* ==========================================================
   路界氛围灯 · 简约科技风 展示站
   浅色画布 · 大标题 · 细边框 · 蓝青渐变点缀 · 视频为主
   ========================================================== */
:root {
  --bg: #F6F8FB;
  --surface: #FFFFFF;
  --ink: #0B1526;
  --sub: #5A6B85;
  --faint: #8B97AB;
  --line: #E6EBF3;
  --accent: #0A5CFF;
  --accent2: #00C6FF;
  --grad: linear-gradient(120deg, #0A5CFF, #00C6FF);
  --r: 16px;
  --r-lg: 20px;
  --max: 1200px;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  font-size: 15.5px; line-height: 1.6;
}
body { padding-bottom: env(safe-area-inset-bottom); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }
input { font: inherit; color: inherit; }
img, video { display: block; max-width: 100%; }
h1,h2,h3,h4,p { margin: 0; }
::selection { background: rgba(10,92,255,.14); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 90;
  background: rgba(255,255,255,.82); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-in { max-width: var(--max); margin: 0 auto; padding: 0 20px; height: 62px; display: flex; align-items: center; gap: 28px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; letter-spacing: .01em; }
.logo-mark {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: var(--grad); color: #fff; font-size: 16px; font-weight: 800;
  overflow: hidden; flex: none;
}
.logo-mark img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; display: block; }
.logo small { font-size: 11px; color: var(--faint); font-weight: 500; display: block; letter-spacing: .14em; }
.nav-links { margin-left: auto; display: flex; gap: 26px; }
.nav-links a { color: var(--sub); font-size: 14.5px; font-weight: 500; transition: color .15s; }
.nav-links a:hover, .nav-links a.on { color: var(--ink); }
.nav-cta {
  background: var(--grad); color: #fff; padding: 9px 20px; border-radius: 999px;
  font-size: 13.5px; font-weight: 600; box-shadow: 0 6px 18px rgba(10,92,255,.28);
}
.nav-cta.wa {
  background: linear-gradient(135deg, #25D366, #128C7E);
  box-shadow: 0 6px 18px rgba(37,211,102,.28);
}
.burger { display: none; margin-left: auto; font-size: 22px; color: var(--ink); }

/* ---------- HERO ---------- */
.hero { position: relative; overflow: hidden; background: #05080F; color: #fff; }
.hero-media { position: absolute; inset: 0; }
.hero-media video { width: 100%; height: 100%; object-fit: cover; opacity: .85; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(3,7,18,.82) 22%, rgba(3,7,18,.35) 68%, rgba(3,7,18,.55)); }
.hero-in { position: relative; max-width: var(--max); margin: 0 auto; padding: 108px 20px 88px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 12px; padding: 10px 22px; border-radius: 999px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.22);
  font-family: 'PingFang SC', 'Microsoft YaHei', 'HarmonyOS Sans SC', sans-serif;
  font-weight: 900;
  font-size: clamp(19px, 2.4vw, 28px); letter-spacing: .12em; color: #F2F6FF;
  text-shadow: 0 2px 14px rgba(77,141,255,.45);
}
.hero h1 { font-size: clamp(34px, 5.6vw, 56px); line-height: 1.16; font-weight: 800; letter-spacing: -.01em; margin: 22px 0 16px; max-width: 720px; }
.hero h1 em { font-style: normal; background: linear-gradient(100deg, #4D8DFF, #00E0FF); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: #C4CFE4; font-size: 16.5px; max-width: 560px; }
.hero-btns { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 30px; border-radius: 999px; font-size: 15px; font-weight: 600; transition: transform .16s, box-shadow .16s; }
.btn:hover { transform: translateY(-2px); }
.btn-light { background: #fff; color: #0B1526; box-shadow: 0 10px 30px rgba(0,0,0,.3); }
.btn-glass { border: 1px solid rgba(255,255,255,.4); color: #fff; background: rgba(255,255,255,.06); backdrop-filter: blur(6px); }
.hero-stats { position: relative; display: flex; gap: 56px; margin-top: 64px; flex-wrap: wrap; }
.hero-stats div b { font-size: 27px; font-weight: 800; background: linear-gradient(100deg,#6EA0FF,#00E0FF); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-stats div span { display: block; font-size: 12.5px; color: #93A2C0; letter-spacing: .1em; }

/* ---------- 区块 ---------- */
section { padding: 78px 0; }
.sec-label { font-size: 12.5px; font-weight: 700; letter-spacing: .22em; color: var(--accent); text-transform: uppercase; }
.sec-title { font-size: clamp(24px, 3.2vw, 34px); font-weight: 800; letter-spacing: -.01em; margin: 10px 0 8px; }
.sec-sub { color: var(--sub); font-size: 15px; max-width: 620px; }
.sec-head { margin-bottom: 34px; }
.sec-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.more { color: var(--accent); font-size: 14px; font-weight: 600; white-space: nowrap; }

/* ---------- 视频精选 ---------- */
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.v-card {
  position: relative; border-radius: var(--r-lg); overflow: hidden; cursor: pointer;
  background: #0A0F1C; aspect-ratio: 16/10; border: 1px solid var(--line);
}
.v-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.v-card:hover img { transform: scale(1.04); }
.v-shade { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(4,8,20,.78)); }
.v-play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 58px; height: 58px; border-radius: 50%;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.5); backdrop-filter: blur(8px);
  display: grid; place-items: center; color: #fff; font-size: 20px; transition: transform .2s, background .2s;
}
.v-card:hover .v-play { transform: translate(-50%,-50%) scale(1.08); background: rgba(10,92,255,.55); }
.v-title-bar { position: absolute; left: 16px; right: 16px; bottom: 13px; color: #fff; }
.v-title-bar b { display: block; font-size: 15px; font-weight: 700; line-height: 1.35; }
.v-title-bar span { font-size: 12px; color: #AFC2E6; }

/* ---------- 首页视频轮播 ---------- */
.caro {
  position: relative; aspect-ratio: 16/9; max-width: 980px; margin: 0 auto;
  border-radius: var(--r-lg); overflow: hidden; background: #05080F;
  box-shadow: 0 22px 60px rgba(10,30,80,.18); border: 1px solid var(--line);
}
.caro-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease; pointer-events: none; border: 0; border-radius: 0; }
.caro-slide.on { opacity: 1; pointer-events: auto; }
.caro-btn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 6;
  width: 42px; height: 42px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(5,9,20,.55); color: #fff; font-size: 24px; line-height: 1;
  display: grid; place-items: center; backdrop-filter: blur(6px); transition: background .2s;
}
.caro-btn:hover { background: rgba(10,92,255,.85); }
.caro-btn.prev { left: 14px; }
.caro-btn.next { right: 14px; }
.caro-dots { position: absolute; bottom: 52px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 6; }
.caro-dot { width: 8px; height: 8px; border-radius: 999px; background: rgba(255,255,255,.45); cursor: pointer; transition: all .25s; }
.caro-dot.on { width: 24px; background: #fff; }
@media (max-width: 640px) { .caro { aspect-ratio: 4/3; } }

/* ---------- 车型卡片 ---------- */
.m-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.m-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; cursor: pointer; transition: transform .2s, box-shadow .2s, border-color .2s;
}
.m-card:hover { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(10,30,80,.10); border-color: rgba(10,92,255,.4); }
.m-thumb { position: relative; aspect-ratio: 4/5; background: linear-gradient(150deg,#0E1830,#1B2A55); overflow: hidden; }
.m-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%; }
.m-count {
  position: absolute; right: 10px; top: 10px; padding: 4px 12px; border-radius: 999px;
  background: rgba(4,8,20,.62); backdrop-filter: blur(6px); color: #fff; font-size: 12px; font-weight: 600;
}
.m-body { padding: 14px 16px 16px; }
.m-body b { display: block; font-size: 16px; font-weight: 700; }
.m-body span { font-size: 12.5px; color: var(--faint); }
.brand-chip { color: var(--accent); font-weight: 600; }

/* ---------- 筛选 ---------- */
.filters { display: flex; flex-direction: column; gap: 12px; margin-bottom: 26px; }
.f-row { display: flex; align-items: flex-start; gap: 12px; }
.f-label { flex-shrink: 0; font-size: 13px; color: var(--faint); line-height: 30px; width: 52px; }
.f-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.f-opt {
  padding: 5px 16px; border-radius: 999px; font-size: 13px; background: #fff; color: var(--sub);
  border: 1px solid var(--line); transition: all .15s;
}
.f-opt:hover { color: var(--accent); border-color: rgba(10,92,255,.4); }
.f-opt.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.searchbar {
  display: flex; gap: 10px; margin-bottom: 22px;
}
.searchbar input {
  flex: 1; height: 48px; border: 1px solid var(--line); border-radius: 14px; padding: 0 18px;
  font-size: 15px; background: #fff; outline: none; transition: border-color .15s, box-shadow .15s;
}
.searchbar input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(10,92,255,.1); }
.searchbar button { height: 48px; padding: 0 26px; border-radius: 14px; background: var(--grad); color: #fff; font-weight: 600; }

/* ---------- 分类快捷标签 ---------- */
.p-tabs {
  display: flex; flex-wrap: wrap; gap: 9px; margin: 0 0 22px;
}
.p-tab {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 17px; border-radius: 999px; cursor: pointer;
  font-size: 13.5px; font-weight: 600; color: var(--sub);
  background: #fff; border: 1px solid var(--line);
  transition: all .16s;
}
.p-tab i {
  font-style: normal; font-size: 11.5px; font-weight: 700; line-height: 1;
  padding: 3px 7px; border-radius: 999px; background: rgba(10,92,255,.08); color: var(--accent);
}
.p-tab:hover { color: var(--accent); border-color: rgba(10,92,255,.42); transform: translateY(-1px); }
.p-tab.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.p-tab.on i { background: rgba(255,255,255,.18); color: #fff; }

/* ---------- 产品卡 ---------- */
.p-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 20px; }
.p-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; cursor: pointer; transition: transform .2s, box-shadow .2s;
}
.p-card:hover { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(10,30,80,.10); }
.p-thumb { aspect-ratio: 3/4; background: #fff; overflow: hidden; display: grid; place-items: center; }
.p-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.p-body { padding: 14px 16px 16px; }
.p-code { font-size: 11.5px; font-weight: 700; letter-spacing: .08em; color: var(--accent); }
.p-body b { display: block; font-size: 15px; font-weight: 700; margin-top: 5px; line-height: 1.4; }
.p-body span { font-size: 12px; color: var(--faint); }
.p-cat { position: absolute; left: 12px; top: 12px; padding: 4px 12px; border-radius: 999px; background: rgba(255,255,255,.92); color: var(--ink); font-size: 11.5px; font-weight: 600; box-shadow: 0 2px 8px rgba(0,0,0,.12); }

/* ---------- 特性 ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px 24px; }
.feat .ico { width: 46px; height: 46px; border-radius: 13px; background: rgba(10,92,255,.08); display: grid; place-items: center; font-size: 21px; color: var(--accent); }
.feat .ico svg { width: 24px; height: 24px; }

/* 卡片副标题（图内特性行） */
.p-sub { display: block; font-size: 12px; color: var(--sub); line-height: 1.55; margin-top: 4px; }
/* Excel 产品清单盒 */
.xl-box { margin-top: 14px; background: rgba(10,92,255,.05); border: 1px solid rgba(10,92,255,.14); border-radius: 12px; padding: 14px 16px; }
.xl-t { font-size: 13px; font-weight: 800; color: #0A5CFF; margin-bottom: 8px; }
.xl-item { font-size: 12.5px; color: var(--sub); line-height: 1.9; padding-left: 14px; position: relative; }
.xl-item::before { content: ''; position: absolute; left: 0; top: .72em; width: 5px; height: 5px; border-radius: 50%; background: #0A5CFF; }
.feat h4 { margin: 15px 0 7px; font-size: 16.5px; font-weight: 700; }
.feat p { font-size: 13.5px; color: var(--sub); }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 26px; }
.contact-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 30px; }
.map-box { margin-top: 26px; height: 400px; position: relative; z-index: 0; border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow, 0 10px 30px rgba(0,0,0,.08)); background: #eef1f5; }
.map-box iframe { width: 100%; height: 400px; display: block; border: 0; }
.map-tip { margin-top: 10px; color: var(--sub); font-size: 13px; text-align: center; }
.c-line { display: flex; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); align-items: flex-start; }
.c-line:last-child { border-bottom: 0; }
.c-line .ico { width: 42px; height: 42px; flex-shrink: 0; border-radius: 12px; background: rgba(10,92,255,.08); display: grid; place-items: center; font-size: 18px; }
.c-line b { display: block; font-size: 14.5px; }
.c-line span { font-size: 13.5px; color: var(--sub); }
.qr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.qr-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 18px; text-align: center; }
.qr-card img { width: 116px; height: 116px; object-fit: cover; border-radius: 10px; background: #fff; margin: 0 auto; }
.qr-card p { font-size: 12.5px; color: var(--sub); margin-top: 10px; }

/* ---------- 弹层 ---------- */
.modal { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; padding: 18px; }
.modal[hidden] { display: none; }
.modal-mask { position: absolute; inset: 0; background: rgba(5,9,20,.6); backdrop-filter: blur(4px); }
.modal-body {
  position: relative; background: #fff; border-radius: 22px; max-width: 860px; width: 100%;
  max-height: 88vh; overflow-y: auto; box-shadow: 0 30px 90px rgba(0,0,0,.35);
}
.modal-close {
  position: sticky; top: 0; float: right; margin: 12px; width: 36px; height: 36px; border-radius: 50%;
  background: rgba(10,15,30,.55); color: #fff; font-size: 16px; z-index: 5; display: grid; place-items: center;
}
.cfg-row { display: flex; gap: 18px; padding: 20px; border-bottom: 1px solid var(--line); align-items: flex-start; }
.cfg-row:last-child { border-bottom: 0; }
.cfg-thumb { width: 170px; flex-shrink: 0; border-radius: 14px; overflow: hidden; aspect-ratio: 4/3; background: linear-gradient(150deg,#0E1830,#1B2A55); cursor: pointer; position: relative; }
.cfg-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.cfg-thumb .vf-tag {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: rgba(4,8,20,.35); color: #fff; font-size: 13px; font-weight: 600;
}
.cfg-info { flex: 1; }
.cfg-info b { display: block; font-size: 16px; line-height: 1.45; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip { font-size: 12.5px; padding: 4px 13px; border-radius: 999px; background: #F0F4FB; color: var(--sub); }
.chip.blue { background: rgba(10,92,255,.08); color: var(--accent); font-weight: 600; }
.chip.grad { background: var(--grad); color: #fff; font-weight: 600; }
.cfg-btns { display: flex; gap: 10px; margin-top: 13px; flex-wrap: wrap; }
.mini-btn { padding: 8px 18px; border-radius: 999px; font-size: 13px; font-weight: 600; border: 1px solid var(--line); color: var(--ink); background: #fff; }
.mini-btn.blue { background: var(--grad); color: #fff; border: 0; box-shadow: 0 5px 16px rgba(10,92,255,.3); }
.modal-video { position: relative; background: #000; border-radius: 22px 22px 0 0; overflow: hidden; }
.modal-video video { width: 100%; max-height: 60vh; }
.d-product { padding: 24px; text-align: center; }
.d-product img { max-width: 100%; max-height: 74vh; margin: 0 auto; border-radius: 12px; }

/* ---------- 页脚 ---------- */
footer { border-top: 1px solid var(--line); background: #fff; margin-top: 30px; }
.foot-in { max-width: var(--max); margin: 0 auto; padding: 36px 20px 22px; display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 24px; }
.foot-brand { display: flex; gap: 10px; align-items: flex-start; }
.foot-brand b { display: block; font-size: 16px; }
.foot-brand span { font-size: 12.5px; color: var(--faint); display: block; margin-top: 4px; }
.foot-col b { display: block; font-size: 14px; margin-bottom: 12px; }
.foot-col a { display: block; font-size: 13.5px; color: var(--sub); padding: 4px 0; }
.foot-col a:hover { color: var(--accent); }
.foot-copy { border-top: 1px solid var(--line); padding: 16px 20px 20px; text-align: center; font-size: 12.5px; color: var(--faint); max-width: var(--max); margin: 0 auto; }

.toast { position: fixed; left: 50%; bottom: 40px; transform: translateX(-50%); z-index: 300; background: rgba(12,18,36,.92); color: #fff; font-size: 13.5px; padding: 11px 22px; border-radius: 999px; pointer-events: none; }
.toast[hidden] { display: none; }

.empty { background: #fff; border: 1px dashed var(--line); border-radius: var(--r-lg); padding: 60px 20px; text-align: center; color: var(--faint); }
.empty b { display: block; font-size: 16px; color: var(--sub); margin-bottom: 6px; }

/* ---------- 响应式 ---------- */
@media (min-width: 901px) {
  .nav-links .burger-only { display: none; }
}
@media (max-width: 900px) {
  .nav-links {
    display: none; position: absolute; top: 62px; left: 0; right: 0;
    background: rgba(255,255,255,.97); backdrop-filter: blur(16px);
    flex-direction: column; gap: 0; padding: 10px 20px 16px; border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; font-size: 15px; }
  .burger { display: block; }
  .video-grid { grid-template-columns: 1fr 1fr; }
  .feat-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-in { padding: 76px 20px 60px; }
  .hero-stats { gap: 30px; margin-top: 44px; }
  section { padding: 56px 0; }
  .foot-in { grid-template-columns: 1fr 1fr; }
  .cfg-row { flex-direction: column; }
  .cfg-thumb { width: 100%; }
}
@media (max-width: 560px) {
  .video-grid { grid-template-columns: 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .m-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .p-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .m-body b, .p-body b { font-size: 14px; }
  .qr-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats div b { font-size: 21px; }
}

/* ---------- 关于路界：实拍图 ---------- */
.about-top {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 26px;
  align-items: stretch; margin-top: 6px;
}
.about-txt p { color: var(--sub); font-size: 14.5px; }
.about-media {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  min-height: 280px; border: 1px solid var(--line); background: #0A1220;
}
.about-media img, .about-photo img {
  width: 100%; height: 100%; object-fit: cover; transition: transform .35s;
}
.about-media:hover img, .about-photo:hover img { transform: scale(1.03); }
.about-media .cap, .about-photo .cap {
  position: absolute; left: 14px; bottom: 12px; z-index: 2;
  background: rgba(8,14,28,.6); color: #fff; font-size: 12.5px; font-weight: 500;
  padding: 5px 14px; border-radius: 999px; backdrop-filter: blur(6px);
}
.about-photo-grid {
  display: grid; grid-template-columns: 1.35fr 1fr 1fr; gap: 16px;
  margin-top: 20px;
}
.about-photo {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  aspect-ratio: 4 / 3.4; border: 1px solid var(--line); background: #0A1220;
}
.founder-card {
  margin-top: 22px; padding: 24px; border-radius: var(--r-lg);
  background: var(--surface); border: 1px solid var(--line);
  display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: start;
}
.founder-img img {
  width: 190px; aspect-ratio: 4 / 5; object-fit: cover;
  border-radius: 14px; border: 1px solid var(--line);
}
.founder-body .feat-grid { margin-top: 14px; gap: 14px; }

@media (max-width: 900px) {
  .about-top { grid-template-columns: 1fr; }
  .about-media { min-height: 200px; }
  .about-photo-grid { grid-template-columns: 1fr 1fr; }
  .founder-card { grid-template-columns: 1fr; }
  .founder-img img { width: 160px; }
}
@media (max-width: 560px) {
  .about-photo-grid { grid-template-columns: 1fr; }
}

/* ---------- 产品中心（参考商城式布局） ---------- */
.notice-bar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
  padding: 13px 20px; border-radius: 14px; margin-bottom: 22px;
  background: linear-gradient(120deg, rgba(10,92,255,.08), rgba(0,198,255,.08));
  border: 1px solid rgba(10,92,255,.22); font-size: 14px; color: var(--ink);
}
.shop { display: grid; grid-template-columns: 218px 1fr; gap: 24px; align-items: start; }
.shop-side {
  position: sticky; top: 78px; max-height: calc(100vh - 96px); overflow-y: auto;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 10px; scrollbar-width: thin;
}
.side-title {
  font-size: 13px; font-weight: 800; letter-spacing: .06em; color: var(--faint);
  padding: 8px 12px 10px; border-bottom: 1px solid var(--line); margin-bottom: 8px;
}
.side-cat {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 9px 12px; border-radius: 10px; font-size: 14px; color: var(--sub);
  cursor: pointer; transition: background .15s, color .15s;
}
.side-cat em { font-style: normal; font-size: 12px; color: var(--faint); }
.side-cat:hover { background: var(--bg); color: var(--ink); }
.side-cat.on { background: rgba(10,92,255,.09); color: var(--accent); font-weight: 700; }
.side-cat.on em { color: var(--accent); }
.shop-count { font-size: 13.5px; color: var(--faint); margin-bottom: 14px; }
.shop .p-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.shop .p-thumb { aspect-ratio: 4 / 5; background: linear-gradient(160deg,#101B36,#1D2E5E); }
.shop .p-body span { display: block; }
.spec-rows { border-top: 1px solid var(--line); }
.spec-row {
  display: flex; gap: 16px; padding: 9px 2px; border-bottom: 1px solid var(--line);
  font-size: 13.5px; align-items: baseline;
}
.spec-row span { width: 72px; flex-shrink: 0; color: var(--faint); font-size: 12.5px; }
.spec-row b { color: var(--ink); font-weight: 600; }

@media (max-width: 900px) {
  .shop { grid-template-columns: 1fr; }
  .shop-side {
    position: static; max-height: 210px; display: flex; flex-wrap: wrap; gap: 2px;
  }
  .side-title { width: 100%; border-bottom: 1px solid var(--line); }
  .side-cat { padding: 6px 10px; font-size: 13px; }
}

/* ---------- 关于页：公司视频 ---------- */
.about-video {
  position: relative; margin-top: 22px; border-radius: var(--r-lg); overflow: hidden;
  aspect-ratio: 21 / 9; cursor: pointer; border: 1px solid var(--line); background: #0A1220;
}
.about-video img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.about-video:hover img { transform: scale(1.02); }
.av-play {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(180deg, rgba(6,12,26,.15), rgba(6,12,26,.55));
}
.av-play span {
  width: 68px; height: 68px; border-radius: 999px; display: grid; place-items: center;
  background: rgba(255,255,255,.92); color: var(--accent); font-size: 26px;
  padding-left: 5px; box-shadow: 0 10px 34px rgba(0,0,0,.35);
  transition: transform .2s;
}
.about-video:hover .av-play span { transform: scale(1.08); }
.av-play b { color: #fff; font-size: 17px; text-shadow: 0 2px 10px rgba(0,0,0,.5); }
.av-play i { color: rgba(255,255,255,.85); font-style: normal; font-size: 12.5px; }

@media (max-width: 900px) { .about-video { aspect-ratio: 16 / 9; } }

/* ---------- 产品中心：三层导航 ---------- */
.crumb {
  display: flex; align-items: center; gap: 8px; margin: 4px 0 18px;
  font-size: 14.5px; color: var(--faint); flex-wrap: wrap;
}
.crumb a { color: var(--sub); cursor: pointer; transition: color .15s; }
.crumb a:hover { color: var(--accent); }
.crumb a:first-child { font-weight: 600; }
.crumb i { font-style: normal; color: var(--line); font-weight: 700; }
.crumb b { color: var(--ink); font-weight: 700; }
.brand-wall {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px;
}
.brand-cell {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  padding: 16px 14px; cursor: pointer; transition: transform .15s, box-shadow .15s, border-color .15s;
}
.brand-cell:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(10,30,80,.10); border-color: rgba(10,92,255,.4); }
.brand-cell b { display: block; font-size: 16px; font-weight: 800; color: var(--ink); }
.brand-cell span { font-size: 12.5px; color: var(--faint); margin-top: 3px; display: block; }

/* ---------- 放大镜 ---------- */
.zoom-box {
  position: relative; display: inline-block; max-width: 100%; overflow: hidden;
  border-radius: 12px; cursor: crosshair;
  background: linear-gradient(160deg,#101B36,#1D2E5E);
}
.zoom-box img {
  display: block; width: auto; height: auto; max-width: 100%; max-height: 74vh;
}
.zoom-lens {
  position: absolute; left: 0; top: 0; width: 190px; height: 190px; border-radius: 999px;
  border: 2px solid rgba(255,255,255,.85); box-shadow: 0 8px 30px rgba(0,0,0,.45), inset 0 0 0 1px rgba(10,92,255,.4);
  background-repeat: no-repeat; background-color: #0E1830; display: none; pointer-events: none; z-index: 3;
}
.zoom-tip {
  position: absolute; right: 12px; bottom: 10px; z-index: 2;
  background: rgba(8,14,28,.62); color: #fff; font-size: 12px;
  padding: 5px 12px; border-radius: 999px; backdrop-filter: blur(6px); pointer-events: none;
}
#hdview { display: grid; place-items: center; }
#hdview[hidden] { display: none !important; }

/* ---------- 弹窗内图库切换 ---------- */
.gal-strip { display: flex; gap: 10px; margin-top: 12px; overflow-x: auto; padding-bottom: 4px; }
.gal-item {
  width: 68px; height: 68px; object-fit: cover; object-position: top; flex-shrink: 0;
  border-radius: 10px; border: 2px solid var(--line); cursor: pointer; opacity: .7; background: #f2f4f8;
  transition: opacity .15s, border-color .15s, transform .15s;
}
.gal-item:hover { opacity: 1; transform: translateY(-2px); }
.gal-item.on { border-color: var(--accent); opacity: 1; }

/* ---------- 认证资质 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cert-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 22px 20px; text-align: center; transition: transform .15s, box-shadow .15s;
}
.cert-card:hover { transform: translateY(-3px); box-shadow: 0 12px 34px rgba(10,30,80,.10); }
.cert-ico { font-size: 30px; margin-bottom: 10px; }
.cert-card h4 { font-size: 15px; font-weight: 800; margin-bottom: 6px; }
.cert-card p { font-size: 13px; color: var(--sub); }

/* 证书样式卡片 */
.cert-doc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cert-doc {
  position: relative; background: linear-gradient(160deg,#FFFDF6,#FFF7E6);
  border: 1.5px solid #E3C88A; border-radius: 14px; padding: 26px 22px 20px; text-align: center;
  box-shadow: 0 6px 20px rgba(160,120,30,.08); transition: transform .15s, box-shadow .15s;
}
.cert-doc:hover { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(160,120,30,.16); }
.cert-doc::before {
  content: ''; position: absolute; inset: 7px; border: 1px dashed #DFC284; border-radius: 9px; pointer-events: none;
}
.cert-doc .seal {
  width: 54px; height: 54px; margin: 0 auto 12px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #F5D68A, #D9A93C);
  display: grid; place-items: center; font-size: 26px; color: #fff;
  box-shadow: 0 4px 12px rgba(190,140,40,.35);
}
.cert-doc h4 { font-size: 15.5px; font-weight: 800; color: #6B4E12; margin-bottom: 6px; }
.cert-doc p { font-size: 12.5px; color: #8A7442; line-height: 1.6; }
.cert-doc .cert-tag {
  display: inline-block; margin-top: 10px; padding: 3px 12px; border-radius: 999px;
  background: rgba(217,169,60,.14); color: #A67F1F; font-size: 11.5px; font-weight: 700; letter-spacing: .06em;
}
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 18px; }

@media (max-width: 900px) {
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .cert-doc-grid { grid-template-columns: 1fr 1fr; }
  .honor-grid { grid-template-columns: 1fr 1fr; }
  .brand-wall { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; }
  .brand-cell { padding: 12px 10px; }
  .brand-cell b { font-size: 14.5px; }
}

/* ---------- 语言切换器 ---------- */
.lang-wrap { position: relative; flex: none; }
.lang-btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px;
  border: 1px solid var(--line); border-radius: 999px; background: #fff;
  font-size: 12.5px; font-weight: 600; color: var(--sub); cursor: pointer;
}
.lang-btn:hover { color: var(--ink); border-color: #C9D6F2; }
.lang-menu {
  display: none; position: absolute; top: calc(100% + 8px); right: 0; z-index: 210;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 12px 34px rgba(10,20,60,.16); padding: 6px; min-width: 132px;
}
.lang-menu.open { display: block; }
.lang-menu button {
  display: block; width: 100%; text-align: left; padding: 8px 12px; border: 0; background: none;
  font-size: 13.5px; color: var(--sub); border-radius: 8px; cursor: pointer; white-space: nowrap;
}
.lang-menu button:hover { background: #F2F6FF; color: var(--ink); }
.lang-menu button.on { background: var(--grad); color: #fff; font-weight: 600; }
@media (max-width: 900px) {
  .lang-wrap { margin-left: auto; }
  .lang-menu { right: 0; }
}

/* ---------- 阿拉伯语 RTL ---------- */
html[dir="rtl"] body { letter-spacing: 0; }
html[dir="rtl"] .logo small { letter-spacing: 0; }
html[dir="rtl"] [style*="text-align:left"] { text-align: right !important; }
html[dir="rtl"] .d-product > div { text-align: right; }
html[dir="rtl"] .hero-in { text-align: right; }
html[dir="rtl"] .sec-head, html[dir="rtl"] .sec-head-row { text-align: right; }
html[dir="rtl"] .crumb { direction: rtl; }
html[dir="rtl"] .more, html[dir="rtl"] .foot-col { text-align: right; }
html[dir="rtl"] .about-txt { text-align: right; }
html[dir="rtl"] .lang-menu button { text-align: right; }
html[dir="rtl"] .zoom-tip { direction: rtl; }
html[dir="rtl"] .v-title-bar { direction: rtl; }
html[dir="rtl"] .notice-bar { direction: rtl; }

/* 阿拉伯语字体与行高（用系统阿语字体栈） */
html[lang="ar"] body { line-height: 1.75; }
html[lang="ar"] .hero-in h1, html[lang="ar"] .sec-title { line-height: 1.5; }